China Best Sales Brass Claw-Lock CZPT Hose Fitting W/ Quick Connect with Free Design Custom

Product Description


Merchandise Description

Brass Claw-lock Fast Join Hose Coupling, Do-it-yourself Backyard garden Hose Connector

Specialized Characteristics

Created of brass MS58, PN20 NBR washer #eighty-two hundred
60-100  3/8″ – 10mm hose
sixty-101  1/2” – 13mm hose
sixty-102  5/8” – 16mm hose
sixty-103  3/4” – 19mm hose
sixty-104  1” – 25mm hose
sixty-106  1.1/4” – 32mm hose
60-107  1.1/2” – 38mm hose



About Us

HangZhou Hygartech Manufacturing Co., Ltd was launched in 1994, it has been specialized in production and globally exporting Steel H2o Wand, Aluminum Spray Lance, Metallic Drinking water Spray Nozzle, Dinga Gun, Brass Straightforward Connect Rapid Couplings, Fittings, Hose Holder, Hose Cart, and so forth. for yard, professional, industrial and irrigation use. We take OEM orders and goal to offer our clients with high good quality items at feasible low price!
Merchandise good quality is our lifeline. We have a expert staff that dedicates them selves to the merchandise good quality manage function. Every single post piece is to be inspected independently. We strive to aid our buyers acquire wonderful organization achievement.


Q: What is your MOQ?
A: It is dependent on the product. In regards to our standard items, there is certainly no particular MOQ necessity. Please make contact with us for a lot more info.
Q: Are OEM and customization services accessible?
A: Sure, they are. Remember to contact us for more details.
Q: Are you a factory or a buying and selling firm?
A: We are a skilled producer and exporter of Metallic Water Wand, Aluminum Spray Lance, Steel Water Spray Nozzle, Brass Simple Connect      Swift Coupling, Fitting, Hose Holder, Hose Cart and and many others.
Q: Exactly where does the organization/factory find?
A: Our headoffice locates in HangZhou. And we have 2 factories, 1 is in HangZhou although the other is in HangZhou.
Q: Can I have samples?
A: Certain, we would like to send out you samples. Remember to realize that shipping cost will be borne by customers.
Q: What is your payment time period?
A: We settle for payment by T/T or L/C. If payment is by T/T, we demand thirty% deposit, the remaining 70% is to be paid off in fifteen times following items are          shipped.
Q: What is the supply time?
A: Because we do not have most of the products in stock. The cargo will be in 40-forty five times.

Europe & Asia Thread end complys w/ ISO 228, BS2.1, DIN 259 or GB 7307
North America ANSI B1.20.1
Europe & Asia Thread end complys w/ ISO 228, BS2.1, DIN 259 or GB 7307
North America ANSI B1.20.1

How to Choose the Right Worm Shaft

You might be curious to know how to choose the right Worm Shaft. In this article, you will learn about worm modules with the same pitch diameter, Double-thread worm gears, and Self-locking worm drive. Once you have chosen the proper Worm Shaft, you will find it easier to use the equipment in your home. There are many advantages to selecting the right Worm Shaft. Read on to learn more.
worm shaft

Concave shape

The concave shape of a worm’s shaft is an important characteristic for the design of a worm gearing. Worm gearings can be found in a wide range of shapes, and the basic profile parameters are available in professional and firm literature. These parameters are used in geometry calculations, and a selection of the right worm gearing for a particular application can be based on these requirements.
The thread profile of a worm is defined by the tangent to the axis of its main cylinder. The teeth are shaped in a straight line with a slightly concave shape along the sides. It resembles a helical gear, and the profile of the worm itself is straight. This type of gearing is often used when the number of teeth is greater than a certain limit.
The geometry of a worm gear depends on the type and manufacturer. In the earliest days, worms were made similar to simple screw threads, and could be chased on a lathe. During this time, the worm was often made with straight-sided tools to produce threads in the acme plane. Later, grinding techniques improved the thread finish and reduced distortions resulting from hardening.
When a worm gearing has multiple teeth, the pitch angle is a key parameter. A greater pitch angle increases efficiency. If you want to increase the pitch angle without increasing the number of teeth, you can replace a worm pair with a different number of thread starts. The helix angle must increase while the center distance remains constant. A higher pitch angle, however, is almost never used for power transmissions.
The minimum number of gear teeth depends on the angle of pressure at zero gearing correction. The diameter of the worm is d1, and is based on a known module value, mx or mn. Generally, larger values of m are assigned to larger modules. And a smaller number of teeth is called a low pitch angle. In case of a low pitch angle, spiral gearing is used. The pitch angle of the worm gear is smaller than 10 degrees.
worm shaft

Multiple-thread worms

Multi-thread worms can be divided into sets of one, two, or four threads. The ratio is determined by the number of threads on each set and the number of teeth on the apparatus. The most common worm thread counts are 1,2,4, and 6. To find out how many threads you have, count the start and end of each thread and divide by two. Using this method, you will get the correct thread count every time.
The tangent plane of a worm’s pitch profile changes as the worm moves lengthwise along the thread. The lead angle is greatest at the throat, and decreases on both sides. The curvature radius r” varies proportionally with the worm’s radius, or pitch angle at the considered point. Hence, the worm leads angle, r, is increased with decreased inclination and decreases with increasing inclination.
Multi-thread worms are characterized by a constant leverage between the gear surface and the worm threads. The ratio of worm-tooth surfaces to the worm’s length varies, which enables the wormgear to be adjusted in the same direction. To optimize the gear contact between the worm and gear, the tangent relationship between the two surfaces is optimal.
The efficiency of worm gear drives is largely dependent on the helix angle of the worm. Multiple thread worms can improve the efficiency of the worm gear drive by as much as 25 to 50% compared to single-thread worms. Worm gears are made of bronze, which reduces friction and heat on the worm’s teeth. A specialized machine can cut the worm gears for maximum efficiency.

Double-thread worm gears

In many different applications, worm gears are used to drive a worm wheel. These gears are unique in that the worm cannot be reversed by the power applied to the worm wheel. Because of their self-locking properties, they can be used to prevent reversing motion, although this is not a dependable function. Applications for worm gears include hoisting equipment, elevators, chain blocks, fishing reels, and automotive power steering. Because of their compact size, these gears are often used in applications with limited space.
Worm sets typically exhibit more wear than other types of gears, and this means that they require more limited contact patterns in new parts. Worm wheel teeth are concave, making it difficult to measure tooth thickness with pins, balls, and gear tooth calipers. To measure tooth thickness, however, you can measure backlash, a measurement of the spacing between teeth in a gear. Backlash can vary from one worm gear to another, so it is important to check the backlash at several points. If the backlash is different in two places, this indicates that the teeth may have different spacing.
Single-thread worm gears provide high speed reduction but lower efficiency. A multi-thread worm gear can provide high efficiency and high speed, but this comes with a trade-off in terms of horsepower. However, there are many other applications for worm gears. In addition to heavy-duty applications, they are often used in light-duty gearboxes for a variety of functions. When used in conjunction with double-thread worms, they allow for a substantial speed reduction in one step.
Stainless-steel worm gears can be used in damp environments. The worm gear is not susceptible to rust and is ideal for wet and damp environments. The worm wheel’s smooth surfaces make cleaning them easy. However, they do require lubricants. The most common lubricant for worm gears is mineral oil. This lubricant is designed to protect the worm drive.
worm shaft

Self-locking worm drive

A self-locking worm drive prevents the platform from moving backward when the motor stops. A dynamic self-locking worm drive is also possible but does not include a holding brake. This type of self-locking worm drive is not susceptible to vibrations, but may rattle if released. In addition, it may require an additional brake to keep the platform from moving. A positive brake may be necessary for safety.
A self-locking worm drive does not allow for the interchangeability of the driven and driving gears. This is unlike spur gear trains that allow both to interchange positions. In a self-locking worm drive, the driving gear is always engaged and the driven gear remains stationary. The drive mechanism locks automatically when the worm is operated in the wrong manner. Several sources of information on self-locking worm gears include the Machinery’s Handbook.
A self-locking worm drive is not difficult to build and has a great mechanical advantage. In fact, the output of a self-locking worm drive cannot be backdriven by the input shaft. DIYers can build a self-locking worm drive by modifying threaded rods and off-the-shelf gears. However, it is easier to make a ratchet and pawl mechanism, and is significantly less expensive. However, it is important to understand that you can only drive one worm at a time.
Another advantage of a self-locking worm drive is the fact that it is not possible to interchange the input and output shafts. This is a major benefit of using such a mechanism, as you can achieve high gear reduction without increasing the size of the gear box. If you’re thinking about buying a self-locking worm gear for a specific application, consider the following tips to make the right choice.
An enveloping worm gear set is best for applications requiring high accuracy and efficiency, and minimum backlash. Its teeth are shaped differently, and the worm’s threads are modified to increase surface contact. They are more expensive to manufacture than their single-start counterparts, but this type is best for applications where accuracy is crucial. The worm drive is also a great option for heavy trucks because of their large size and high-torque capacity.