Locking device for preventing loosening and quick assembly and disassembly

CN224621867UActive Publication Date: 2026-08-11卓小伟
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-10-11
Publication Date
2026-08-11

AI Technical Summary

Technical Problem

有的公司为了好看,也会把安装锁紧装置装上主体后出厂,那么问题又来了,锁紧装置装上是好看了,但是全螺纹的,出厂时工人安装螺纹旋一遍,出厂后安装师傅要装进水管要拆下牙管也要旋一遍,还要在台下再装一遍,要浪费很多的工时,效率低下

Benefits of technology

本实用新型通过优化升级,三组滑动锁紧块的设计可以使螺纹更平稳的咬合,功能更稳定。可以用于普通龙头的安装,也可以用于带有2-4条管的龙头安装。产品可以出厂前装好软管试好密封无需拆下软管,提高产品出货良品率,减少客诉。实现快速安装和快速拆卸,大大降低人工成本,安装后的产品可以起到防松动的效果,在源头上解决产品存在松动的问题,具有很强的实用性,且低成本,可推广应用。

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Abstract

This utility model discloses an anti-loosening quick-installation and quick-disassembly locking device, belonging to the field of locking and installation technology. The utility model includes a lower base, sliding locking blocks, and an upper base. The lower base has three first slide rail positions and two second slide rail positions. Three sliding locking blocks are provided, with first and second sliders respectively located on both sides of the bottom end of each sliding locking block. Through optimization and upgrades, the design of the three sets of sliding locking blocks allows for smoother thread engagement and more stable function. It can be used for the installation of ordinary faucets as well as faucets with 2-4 hoses. The product can be pre-installed with hoses and tested for sealing before leaving the factory, eliminating the need to remove the hoses, improving product yield and reducing customer complaints. It achieves quick installation and disassembly, greatly reducing labor costs. The installed product effectively prevents loosening, solving the problem of loosening at its source. It is highly practical, low-cost, and suitable for widespread application.
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Description

Technical Field

[0001] This utility model relates to the field of locking and installation technology, specifically to a locking device for preventing loosening and quick installation and removal. Background Technology

[0002] The standard installation method for hot and cold water mixing faucets is to first connect two inlet pipes under the countertop via a threaded hose to the main body. After connecting the hose to the main body, the hose passes through the sink drain hole, and the faucet is then secured to the hose with a nut under the sink. Commonly used nuts in China are made of copper, steel, and plastic, but they all share a common problem: the faucet tends to loosen after a period of use. If the nut loosens, the faucet will turn during use, and if completely loose, it will affect its operation. There are double-screw and single-screw faucets. These are fixed to the main body using a screw, which passes through the sink drain hole, through a C-shaped rubber washer and a C-shaped metal washer, and then secured with a hexagonal nut. This method is less prone to loosening, but the hexagonal nut is installed under the countertop, in a confined space, and is blind-installed under the sink, making installation inconvenient. In recent years, China has exported a significant number of products, some of which are suitable for both domestic and international markets. To achieve universal installation, the under-basin mounting hardware has been upgraded to include a rubber ring and a metal ring. The metal ring has two threaded holes; after tightening two screws, two washers are placed under the basin, allowing for installation. However, the screws are too small under the basin, making installation inconvenient. Furthermore, during manufacturing, a sealing test is required, involving installing the hot and cold water inlet pipes on the faucet. Since the inner diameter of the threaded hose is around 28mm, the small diameter of the locking nut is around 30.5mm, and the maximum side diameter of the inlet nut is around 25mm, the flexible hose with the nut cannot be threaded through both the threaded hose and the locking nut. Therefore, in standard assembly plants, after the sealing test, the flexible hose is removed, and the faucet body, flexible hose, and installation accessories are packaged separately in the box before being sold together. This is the common practice in China. The test-sealed tubing may not be the same pair as the actual tubing shipped. This can lead to problems such as the tested product failing to install or sealing properly during customer installation, resulting in numerous customer complaints. For export products, after-sales service becomes even more complicated. Some companies, for aesthetic reasons, will ship the product with the locking device attached. However, this also presents another problem: while the locking device looks good, it involves threaded connections. Workers install the threads at the factory, and then installers need to unscrew them again to install the water inlet pipe and remove the threaded tubing, wasting considerable time and reducing efficiency. To reduce complaints and provide a better customer experience, large brands assemble and test the tubing for sealing before shipping, eliminating the need for customers to install the tubing themselves. They also develop their own flexible nut designs to accommodate the tubing, which are typically metal and expensive. The same threaded connection requires tightening each turn, which is inefficient and costly, making it unsuitable for widespread use. In recent years, pull-out faucets have become quite popular, and some faucets even have three or four pipes instead of just two. In conclusion, existing quick-installation and quick-disassembly devices need further improvement and enhancement to meet actual user needs.

[0003] Therefore, a quick-release and quick-unlocking locking device is proposed to overcome the above problems. Utility Model Content

[0004] The purpose of this utility model is to provide an anti-loosening quick-installation and quick-release locking device to solve the problems mentioned in the background art.

[0005] This utility model is achieved through the following technical solution: This utility model relates to an anti-loosening, quick-installation, and quick-release locking device, comprising a lower base, a sliding locking block, and an upper base. The lower base has three first and second slide rail positions. Three sliding locking blocks are provided, with first and second sliders respectively located on both sides of the bottom end of each sliding locking block. The first and second sliders are respectively positioned within the first and second slide rail positions. The lower base has three first and second longitudinal limiters. The sides of each sliding locking block have first and second longitudinal limit blocks respectively, positioned within the first and second longitudinal limiters. The lower base has three slider latches on its exterior. The bottom end of each sliding locking block... The unit is equipped with a slider reset stop, and the inner side of the slider reset stop is equipped with a spring clip. The spring clip engages with the slider clip. The lower seat is equipped with a first hose clearance position, a second hose clearance position, and a third hose clearance position. The upper seat is equipped with a fourth hose clearance position, a fifth hose clearance position, and a sixth hose clearance position. The first, second, and third hose clearance positions correspond to the fourth, fifth, and sixth hose clearance positions, respectively. A hose is provided in the first and fourth hose clearance positions, the second and fifth hose clearance positions, and the third and sixth hose clearance positions, respectively. A nut is provided at one end of each hose.

[0006] Furthermore, six anti-slip hand grips are evenly distributed on the outside of the lower seat.

[0007] Furthermore, three slider reset springs are evenly distributed on the outside of the lower base.

[0008] Furthermore, the upper outer side of the sliding locking block is provided with a first inclined surface, and the inner side of the upper seat is provided with a second inclined surface, which cooperates with the first inclined surface.

[0009] Furthermore, a clearance space is provided on one side of the first inclined surface, and an auxiliary reset strip is provided inside the clearance space.

[0010] Furthermore, the inner side of the sliding locking block is provided with a mating thread, which mates with the toothed tube.

[0011] Furthermore, the lower seat has three reset spring positions, each containing a spring. The upper seat has an upper seat top, and the bottom surface of the upper seat top is evenly distributed with three calibrating spring pins, the bottom ends of which are connected to the springs.

[0012] Furthermore, the lower seat has three assembly alignment positions evenly distributed on its outer side, and the upper seat has three assembly alignment strips evenly distributed on its inner side. The three assembly alignment strips are set in the assembly alignment positions. The lower seat has three lower seat fastening positions on its outer side, and the upper seat has three upper seat fastening strips evenly distributed on its upper side. The inner side of the three upper seat fastening strips is provided with upper seat fastening positions, and the upper seat fastening positions cooperate with the lower seat fastening positions.

[0013] Furthermore, the top of the upper seat is provided with anti-loosening grooves, and an anti-loosening groove drop layer is provided on the anti-loosening grooves.

[0014] This utility model has the following beneficial effects: This utility model, through optimization and upgrades, features a three-set sliding locking block design that ensures smoother thread engagement and more stable function. It can be used for installation on ordinary faucets as well as faucets with 2-4 hoses. The product can be pre-installed with hoses and tested for sealing before leaving the factory, eliminating the need to remove the hoses and improving product yield, thus reducing customer complaints. It enables quick installation and disassembly, significantly reducing labor costs. The installed product also prevents loosening, addressing the issue at its source. It is highly practical, low-cost, and suitable for widespread application.

[0015] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the combined structure of the locking device; Figure 2 This is an exploded view of the locking device; Figure 3 This is a schematic diagram of the lower seat A structure; Figure 4 This is a schematic diagram of the sliding locking block B. Figure 5 This is a schematic diagram of the upper seat B structure; Figure 6 This is a cross-sectional view of the locking device in its initial state. Figure 7 This is a cross-sectional view of the locking device in its locked state. Figure 8 A schematic diagram of the locking structure for installing a locking device on a faucet.

[0017] In the diagram: 1. Lower seat; 101. First hose clearance position; 102. Second hose clearance position; 103. Third hose clearance position; 104. Slider reset spring; 105. First slide rail position; 106. Second slide rail position; 107. First longitudinal limit; 108. Second longitudinal limit; 109. Hand grip anti-slip position; 1010. Reset spring position; 1011. Assembly stop position; 1012. Slider latch position; 1013. Lower seat latch position; 2. Sliding locking block; 201. First inclined surface; 202. Clearance position; 203. Auxiliary reset bar; 204. Slider reset stop; 205. 1. First slider; 206. Second slider; 207. First longitudinal limiting block; 208. Second longitudinal limiting block; 2012. Spring clip; 2013. Mating thread; 3. Upper seat; 301. Fourth hose clearance position; 302. Fifth hose clearance position; 303. Sixth hose clearance position; 304. Second inclined surface; 305. Top of upper seat; 306. Anti-loosening pattern; 307. Anti-loosening pattern drop layer; 3010. Alignment spring nail; 3011. Assembled alignment strip; 3012. Upper seat clip strip; 3013. Upper seat clip; 4. Spring; 5. Threaded tube; 6. Hose; 7. Nut. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] Please see Figure 1-8This utility model provides a technical solution: a quick-release and quick-unlocking anti-loosening locking device, including a lower base 1, a sliding locking block 2, and an upper base 3. The lower base 1 is provided with three first slide rail positions 105 and second slide rail positions 106. The sliding locking block 2 is provided with three slide rail positions. A first slider 205 and a second slider 206 are respectively provided on both sides of the bottom end of the sliding locking block 2, and the first slider 205 and the second slider 206 are respectively disposed in the first slide rail positions 105 and the second slide rail positions 106. The lower base 1 is provided with three first longitudinal limiters 107 and second longitudinal limiters 108. A first longitudinal limiter block 207 and a second longitudinal limiter block 208 are respectively provided on both sides of the sliding locking block 2, and the first longitudinal limiter block 207 and the second longitudinal limiter block 208 are respectively disposed in the first longitudinal limiter 107 and the second longitudinal limiter 108. The lower base 1 has three slider latch positions 1012 on its exterior, and the middle of the bottom end of the sliding locking block 2 has a... The slider reset stop 204 has a spring clip 2012 on its inner side, which cooperates with the slider clip 1012. The lower seat 1 has a first hose clearance position 101, a second hose clearance position 102 and a third hose clearance position 103 respectively. The upper seat 3 has a fourth hose clearance position 301, a fifth hose clearance position 302 and a sixth hose clearance position 303 respectively. The first hose clearance position 101, the second hose clearance position 102 and the third hose clearance position 103 correspond to the fourth hose clearance position 301, the fifth hose clearance position 302 and the sixth hose clearance position 303 respectively. The first hose clearance position 101 and the fourth hose clearance position 301, the second hose clearance position 102 and the fifth hose clearance position 302, the third hose clearance position 103 and the sixth hose clearance position 303 are respectively provided with hoses 6. One end of the hose 6 is provided with a nut 7.

[0020] The lower seat 1 has six hand grip anti-slip positions 109 evenly distributed on its exterior.

[0021] Three slider reset springs 104 are evenly distributed on the outside of the lower seat 1.

[0022] The upper outer side of the sliding locking block 2 is provided with a first inclined surface 201, and the inner side of the upper seat 3 is provided with a second inclined surface 304, which cooperates with the first inclined surface 201.

[0023] A clearance position 202 is provided on one side of the first inclined surface 201, and an auxiliary reset strip 203 is provided inside the clearance position 202.

[0024] The inner side of the sliding locking block 2 is provided with a mating thread 2013, which mates with the toothed tube 5.

[0025] The lower seat 1 has three reset spring positions 1010, and each of the three reset spring positions 1010 has a spring 4 inside. The upper seat 3 has an upper seat top 305, and three positive spring pins 3010 are evenly distributed on the bottom surface of the upper seat top 305. The bottom end of the positive spring pins 3010 is connected to the spring 4.

[0026] The lower seat 1 has three assembly alignment positions 1011 evenly distributed on its outer side, and the upper seat 3 has three assembly alignment strips 3011 evenly distributed on its inner side. The three assembly alignment strips 3011 are set in the assembly alignment positions 1011. The lower seat 1 has three lower seat fasteners 1013 on its outer side, and the upper seat 3 has three upper seat fastener strips 3012 evenly distributed on its upper seat. The upper seat fasteners 3013 are respectively provided on the inner side of the three upper seat fastener strips 3012. The upper seat fasteners 3013 cooperate with the lower seat fasteners 1013.

[0027] The assembled locking device, when held by the lower seat 1 and upper seat 3, exhibits a spring force when the upper seat 3 is moved up and down; pressing down on the upper seat 3 creates an upward force. When released, the sliding locking block 2 and upper seat 3 reset. The working principle is as follows: when the upper seat 3 is pressed down, the second inclined surface 304 moves downward along the first inclined surface 201, while the spring clip 2012 hooks the slider clip 1012 and moves inward, causing the slider reset spring clip 104 to deform inward. Three auxiliary reset strips 203, evenly distributed around the circumference of the slider reset spring clip 104, also deform downward, supported by the top of the upper seat 305, and the spring 4 is also compressed and deformed. The deformation of the slider reset spring clip 104, auxiliary reset strip 203, and spring 4 prepares for the locking device to reset. To meet different customer needs, spring 4 is optional; it can be omitted if the reset function meets customer requirements.

[0028] S1 represents the initial position of the three sliding locking blocks 2.

[0029] Z1 represents the position of the three sliding locking blocks 2 in the locked state.

[0030] During assembly, the hose 6 is passed through the threaded tube 5 from bottom to top with the end without the nut 7. First, tighten the hose 6, then tighten the threaded tube 5, and then seal and test with water. The same applies to 3-4 hoses. In the initial state, the fourth hose clearance position 301, the fifth hose clearance position 302, the sixth hose clearance position 303, the first hose clearance position 101, the second hose clearance position 102, and the third hose clearance position 103 maximize the space to allow the hose 6 to have room to pass. S1, the position of the three sliding locking blocks 2 in the initial state, also maximizes the space. When a hose 6 is installed, the hose 6 is returned to the clearance position before installing the second hose. With three clearance positions, four hoses can be accommodated at the same time, solving the problem that pull-out faucets are not suitable for finished product shipment.

[0031] When installing the locking device, the threaded tube 5 can be quickly slipped onto it. Since the three sliding locking blocks 2 are initially positioned at S1, they can easily slip onto the threaded tube 5. When close to the tabletop, hold the lower seat 1. The outer surface of the lower seat 1 is designed with anti-slip gripping ribs 109, allowing easy rotation of the lower seat 1 to press against the upper seat 3. Through the aforementioned deformation, a quick lock can be achieved with just 3-4 rotations. The three sliding locking blocks 2 are then positioned at Z1, tightly gripping the threads of the threaded tube 5, achieving quick installation. The even force on three sides engages the threads of the threaded tube 5, making the product's locking function more stable. Conversely, when disassembling the product, rotate the lower seat 1 in the opposite direction. The loosening of the lower seat 1 causes the slider reset spring 104 and auxiliary reset bar 203 to quickly reset to the S1 position. Since the thread 2013 is not engaged with the threads of the threaded tube 5, quick disassembly is achieved.

[0032] The top of the upper seat 305 is provided with anti-loosening texture 306, and anti-loosening texture drop layer 307 is provided on the anti-loosening texture 306. When the locking device and the rubber pad are locked together, the anti-loosening texture 306 increases the friction, and the drop layer will deform the rubber pad when it is pressed to achieve the effect of preventing loosening.

[0033] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A quick-release locking device for preventing loosening, comprising a lower seat (1), a sliding locking block (2), and an upper seat (3), characterized in that: The lower seat (1) is provided with three first slide positions (105) and two slide positions (106) respectively. The sliding locking block (2) is provided with three. The bottom ends of the sliding locking block (2) are provided with first sliders (205) and second sliders (206) respectively. The first sliders (205) and second sliders (206) are respectively located in the first slide positions (105) and the second slide positions (106). The lower seat (1) is provided with three first longitudinal limiters (107) and second longitudinal limiters (108). The sliding locking block (2) is provided with first longitudinal limiters (207) and second longitudinal limiters (208) on both sides. The first longitudinal limiters (207) and second longitudinal limiters (208) are respectively set in the first longitudinal limiters (107) and second longitudinal limiters (108). The lower seat (1) is provided with three slider latches (1012) on the outside. The bottom center of the sliding locking block (2) is provided with a slider reset stop (204). The inner side of the slider reset stop (204) is provided with a spring clip latch (2012). The spring clip latch (2012) cooperates with the slider latch (1012). The lower seat (1) is provided with a first hose clearance position (101), a second hose clearance position (102) and a third hose clearance position (103) respectively. The upper seat (3) is provided with a fourth hose clearance position (301), a fifth hose clearance position (302) and a sixth hose clearance position (303) respectively. The first hose clearance position (101), the second hose clearance position (102) and the third hose clearance position (103) correspond to the fourth hose clearance position (301), the fifth hose clearance position (302) and the sixth hose clearance position (303) respectively. The first hose clearance position (101) and the fourth hose clearance position (301), the second hose clearance position (102) and the fifth hose clearance position (302), and the third hose clearance position (103) and the sixth hose clearance position (303) are provided with hoses (6). One end of the hose (6) is provided with a nut (7).

2. The anti-loosening quick-installation and quick-release locking device according to claim 1, characterized in that, The lower seat (1) is evenly provided with six anti-slip hand grips (109) on its exterior.

3. The anti-loosening quick-installation and quick-release locking device according to claim 2, characterized in that, Three slider reset springs (104) are evenly distributed on the outside of the lower seat (1).

4. The anti-loosening quick-installation and quick-release locking device according to claim 1, characterized in that, The upper outer side of the sliding locking block (2) is provided with a first inclined surface (201), and the inner side of the upper seat (3) is provided with a second inclined surface (304), which cooperates with the first inclined surface (201).

5. The anti-loosening quick-installation and quick-release locking device according to claim 4, characterized in that, A clearance position (202) is provided on one side of the first inclined surface (201), and an auxiliary reset strip (203) is provided inside the clearance position (202).

6. The anti-loosening quick-installation and quick-release locking device according to claim 4, characterized in that, The inner side of the sliding locking block (2) is provided with a mating thread (2013), which is mated with the tooth tube (5).

7. The anti-loosening quick-installation and quick-release locking device according to claim 1, characterized in that, The lower seat (1) is provided with three reset spring positions (1010), and each of the three reset spring positions (1010) is provided with a spring (4). The upper seat (3) is provided with an upper seat top (305), and the bottom surface of the upper seat top (305) is evenly provided with three positive spring nails (3010), and the bottom end of the positive spring nails (3010) is connected to the spring (4).

8. The anti-loosening quick-installation and quick-release locking device according to claim 7, characterized in that, The lower seat (1) has three assembly alignment positions (1011) evenly distributed on its exterior. The upper seat (3) has three assembly alignment strips (3011) evenly distributed on its interior side. The three assembly alignment strips (3011) are set in the assembly alignment positions (1011). The lower seat (1) has three lower seat buckle positions (1013) evenly distributed on its exterior. The upper seat (3) has three upper seat buckle strips (3012) evenly distributed on its interior side. The upper seat buckle positions (3013) are respectively provided on the interior side of the three upper seat buckle strips (3012). The upper seat buckle positions (3013) cooperate with the lower seat buckle positions (1013).

9. The anti-loosening quick-installation and quick-release locking device according to claim 8, characterized in that, The top of the upper seat (305) is provided with anti-loosening texture (306), and the anti-loosening texture (306) is provided with anti-loosening texture drop layer (307).