Multifunctional fastener for cold and hot faucet

Abstract

The utility model discloses a cold and hot faucet multifunctional quick -mounting fastener, including sliding sleeve and fastening sleeve, be equipped with anti -drop structure on sliding sleeve and fastening sleeve, the upper end of fastening sleeve is equipped with a plurality of embrace tightly spring leaf, and each embrace tightly spring leaf surrounds the embrace tightly space that is gradually reduced from below to above and can embrace tightly on faucet connecting pipe, and the upper end portion of embrace tightly spring leaf is inserted into the sliding sleeve, and the inner chamber of sliding sleeve is the horn space that is gradually reduced from below to above, and each embrace tightly spring leaf and horn space constitute the embrace tightly structure, the driving block of being outside embrace tightly space is convex to the sliding sleeve downward, and the first hooking structure and the second hooking structure that are equipped with for the first hooking structure and the second hooking structure of driving block hooking, the first hooking structure is above the second hooking structure, and driving block can slide on the first hooking structure and the second hooking structure, and the first hooking structure, the second hooking structure and driving block constitute the anti -drop structure. Compared with prior art, embrace tightly spring leaf is not easy to break, makes the service life of whole fastener body longer.

Description

Technical Field

[0001] This utility model relates to the field of faucet accessories technology, and in particular to a multi-functional quick-install fastener for hot and cold faucets. Background Technology

[0002] A faucet is an essential bathroom fixture in modern homes. One end of the faucet is the water outlet, and the other end is the faucet connecting pipe. The outer wall of the connecting pipe has external threads, and fasteners are screwed onto the connecting pipe to secure the faucet to an external mounting platform. Traditional fasteners are threaded sleeves, which are hollow structures running vertically through the faucet. The inner wall of the threaded sleeve has internal threads that mate with the external threads of the faucet connecting pipe. Installation involves pushing the faucet connecting pipe downwards through the external mounting platform, engaging the fastener with the external threads of the connecting pipe, and using a wrench to tighten the fastener from the connecting pipe to the bottom of the external mounting platform. However, when using a faucet, the water outlet is frequently rotated, causing relative rotation between the faucet connecting pipe and the fastener. This can easily cause the fastener to loosen from the connecting pipe, resulting in the faucet becoming loose from its base.

[0003] There are also fasteners to prevent fasteners from loosening from the faucet connecting pipe, such as a faucet fastener with application number 2022203707334, which includes a sliding sleeve disposed on the external faucet connecting pipe and slidable along its length. The sliding sleeve is provided with several spring pieces, and these spring pieces can shift inward and clamp the external faucet connecting pipe when simultaneously subjected to external force. The clamping device includes: a fastening sleeve, which is sleeved on the sliding sleeve; a pushing device for pushing the spring pieces to clamp the faucet connection is provided between the fastening sleeve and the sliding sleeve; and an anti-detachment device is also provided between the fastening sleeve and the sliding sleeve to prevent the fastening sleeve from detaching from the sliding sleeve after the spring pieces have clamped the external faucet connecting pipe. The pushing device consists of: a first inclined surface with a cross-sectional diameter that gradually decreases from top to bottom on the spring piece; and a second inclined surface with a cross-sectional diameter that directly increases from top to bottom on the fastening sleeve. The first inclined surface and the second inclined surface... The inclined surfaces can resist each other and are staggered. The anti-disengagement device is as follows: the fastening sleeve is threadedly connected to the spring piece, and the spring piece and the external faucet connecting pipe are further provided with a fastening device to prevent the sliding sleeve from disengaging from the faucet connecting pipe and to keep it tightly wrapped around the external faucet connecting pipe. The fastening device is as follows: the spring piece is provided with a fastening thread that matches the external faucet connecting pipe, and the spring piece and the external faucet connecting pipe are threadedly engaged. The spring piece is also provided with a deformation device to make the spring piece easily deformable. The spring piece has a deformation notch, which is located above the first inclined surface. A limiting device is also provided between the fastening sleeve and the spring piece to prevent the fastening sleeve from disengaging from the spring piece when it releases and returns to its original position. The limiting device includes a first limiting platform, which is located at the lower end of the spring piece. The fastening sleeve is provided with a second limiting platform that resists the first limiting platform. The first limiting platform and the second limiting platform resist and engage with each other. In application, the user first uses the first and second limiting platforms to connect the fastening sleeve and the sliding sleeve. Then, the user holds the fastening sleeve and pushes it upward along the external faucet connecting pipe until the sliding sleeve abuts against the bottom of the external mounting platform. At this point, the user pushes the fastening sleeve to slide upward. The second inclined surface on the fastening sleeve and the first inclined surface on the sliding sleeve resist each other and slide, causing the spring to be squeezed towards the external faucet connecting pipe, thus making the spring hold the external faucet connecting pipe tightly. At this time, the fastening thread on the spring engages with the thread on the external faucet connecting pipe, firmly fixing the sliding sleeve to the external faucet connecting pipe. Then, the user screws the fastening sleeve to make its thread connect to the sliding sleeve, preventing the fastening sleeve from being ejected by the spring after releasing the hand, thus completing the fixing.

[0004] In order to enable the spring to grip the faucet connecting pipe, the aforementioned faucet fastener has a pushing device, a deformation notch, and a first limiting platform on the spring. The outer wall of the spring also has a thread that is connected with the fastening sleeve. This makes the length of the spring in the vertical direction need to be relatively long. During use, due to the setting of the first limiting platform, force needs to be applied to each spring to reduce the relative movement of each spring and shrink the hollow space formed by each spring. Then, each spring is limited and inserted into the fastening sleeve. However, the spring is too long. When force is applied to the spring, the long spring is prone to uneven force and breakage, resulting in a short service life of the fastener.

[0005] In view of this, the inventors of this case conducted in-depth research on the problem, which led to the creation of this case. Utility Model Content

[0006] The purpose of this utility model is to provide a multi-functional quick-install fastener for hot and cold water taps to solve the problem of the short service life of existing fasteners.

[0007] To achieve its purpose, this utility model adopts the following technical solution:

[0008] A multi-functional quick-install fastener for hot and cold faucets includes a sliding sleeve and a fastening sleeve. The sliding sleeve and fastening sleeve are provided with a clamping structure for clamping the faucet connecting pipe and an anti-detachment structure to prevent the fastening sleeve from detaching from the sliding sleeve. The upper end of the fastening sleeve is provided with several circumferentially spaced clamping springs, each clamping spring forming a clamping space that gradually narrows from bottom to top and can clamp onto the faucet connecting pipe. The upper ends of the clamping springs extend into the sliding sleeve, and the inner cavity of the sliding sleeve is a flared space that gradually narrows from bottom to top. Each clamping spring and the flared space constitute the clamping structure. A driving block protrudes downward from the sliding sleeve and is located outside the clamping space. The fastening sleeve is provided with a first hook structure and a second hook structure for the driving block to hook onto. The first hook structure is located above the second hook structure, and the driving block can slide on the first and second hook structures. The first hook structure, the second hook structure, and the driving block constitute the anti-detachment structure.

[0009] The top surface of the fastening sleeve is recessed with a groove that communicates with the hollow cavity of the fastening sleeve. The bottom of the groove is provided with several protruding pieces that extend out of the groove. The protruding pieces are distributed circumferentially at intervals. The protruding pieces are the clamping spring pieces. The lower part of the protruding piece has a smooth structure, and the upper part of the protruding piece has an internal thread.

[0010] The protrusions are inclined inwards, and each protrusion forms a clamping space that gradually narrows from bottom to top. The inner wall of the lower end of the protrusion smoothly transitions to the inner wall of the fastening sleeve.

[0011] The groove bottom has an arc-shaped protrusion extending upward along the circumferential direction of the groove corresponding to each driving block. The arc-shaped protrusion is located outside the protrusion. The lower bottom surface of the sliding sleeve has several circumferentially spaced lower protrusions that extend into the groove. The lower protrusion is the driving block. The inner sidewall of the arc-shaped protrusion has a notch that extends upward to the top surface of the arc-shaped protrusion and allows the lower protrusion to extend into it. The lower end of the lower protrusion has a hook protruding on the outer sidewall. The lower part of the inner groove wall of the notch has a first hook groove and a second hook groove that allow the hook to extend into and hook. The first hook groove and the second hook groove are arranged laterally along the arc direction of the arc-shaped protrusion. The lower parts of the first hook groove and the second hook groove are connected through each other. The notch and the first hook groove constitute the first hook structure. The notch and the second hook groove constitute the second hook structure.

[0012] The fastening sleeve has an upper expanding section and a lower reducing section, both of which are hollow structures that extend vertically. The top surface of the upper expanding section has a recessed groove that communicates with the hollow space of the upper expanding section. This recessed groove is the groove mentioned above. The sliding sleeve is stacked on the top surface of the upper expanding section. The bottom surface of the upper expanding section has an upward-facing recessed lower arc-shaped groove that extends along the circumferential direction of the upper expanding section. One side of the top surface of the lower arc-shaped groove has an upward-facing recessed upper arc-shaped groove. The groove wall of the recessed groove has a window that exposes both the upper and lower arc-shaped grooves. The part of the lower arc-shaped groove outside the upper arc-shaped groove is the first hook groove mentioned above. The part of the lower arc-shaped groove that communicates with the upper arc-shaped groove and the upper arc-shaped groove together constitutes the second hook groove mentioned above.

[0013] The outer wall of the lower diameter reduction section is provided with a number of anti-slip ridges spaced apart along the circumferential direction of the lower diameter reduction section, and the anti-slip ridges are vertically arranged.

[0014] The inner wall of the notched groove is located between the first hook groove and the second hook groove, and has a guide arc block for the hook to slide from the first hook groove into the second hook groove.

[0015] The lower protrusion is an arc-shaped piece. The lower outer wall of the lower protrusion has a strip-shaped block extending along the arc direction of the lower protrusion. The bottom outer surface of the strip-shaped block has a cutting bevel that extends upward to the upper part of the side of the strip-shaped block. The side of the notch facing the clamping space is an arc surface. This strip-shaped block is the hook.

[0016] The top surface of the sliding sleeve is provided with a plurality of locking blocks that are evenly spaced along the circumferential direction of the sliding sleeve. One end of the top surface of the locking block is inclined upward from bottom to top, and the top surface of the locking block is provided with a plurality of anti-slip arc strips that are spaced along the radial direction of the sliding sleeve.

[0017] The outer wall of the clamping spring is provided with arc-shaped protrusions spaced apart along the circumferential direction of the fastening sleeve. The inner wall of the sliding sleeve is provided with several partition strips spaced apart along the circumferential direction of the sliding sleeve. Each partition strip extends along the vertical direction of the inner wall of the sliding sleeve, and a movement space is formed between each pair of partition strips for the clamping spring to move circumferentially within it.

[0018] This novel multi-functional quick-install fastener for hot and cold faucets involves the following steps: The drive block hooks onto the second hook structure. The bottom surface of the sliding sleeve and the top surface of the fastening sleeve are spaced apart. The upper ends of each clamping spring fall into the lower end of the horn space. The faucet connecting tube is then sequentially inserted into the horn space of the sliding sleeve, the clamping space of the fastening sleeve, and the hollow cavity. Each clamping spring has an outward release space, allowing the fastener to move quickly along the faucet connecting tube to the bottom of the external mounting platform. When the top surface of the sliding sleeve contacts the bottom surface of the external mounting platform, the fastening sleeve is moved and slid, causing the drive block hook to engage with the first hook structure. Each clamping spring fully enters the horn space of the sliding sleeve. During the relative movement of the sliding sleeve and the fastening sleeve, the inner wall of the sliding sleeve exerts force on the outer walls of each clamping spring. Simultaneously, the inner wall of the sliding sleeve pushes each clamping spring towards the center of the clamping space, thereby causing each clamping spring to clamp the faucet connecting tube. Compared with existing technologies, this method uses the inner wall of the sliding sleeve to press the clamping springs towards the clamping space to clamp the faucet connecting pipe. The structure is simple and easy to operate. It eliminates the need for excessively long clamping springs to clamp the faucet connecting pipe. It also eliminates the need for a long driving block, making both the driving block and the clamping springs less prone to breakage and extending the overall service life of the fastener. Attached Figure Description

[0019] Figure 1 This is an exploded structural diagram of the present invention.

[0020] Figure 2 This is a schematic diagram of the structure of this utility model.

[0021] Figure 3 This is a partial cross-sectional structural diagram of the present invention.

[0022] Figure 4 This is a schematic diagram of the fastening sleeve of this utility model.

[0023] Figure 5 This is another structural schematic diagram of the fastening sleeve of this utility model.

[0024] Figure 6 This is another structural schematic diagram of the fastening sleeve of this utility model.

[0025] Figure 7 This is a schematic diagram of the structure of the sliding sleeve of this utility model. Detailed Implementation

[0026] To further explain the technical solution of this utility model, a detailed description is provided below in conjunction with the accompanying drawings.

[0027] A multi-functional quick-install fastener for hot and cold water taps, such as Figures 1-7 As shown, it includes a sliding sleeve 1 and a fastening sleeve 2. The sliding sleeve 1 and the fastening sleeve 2 are provided with a clamping structure for clamping the faucet connecting pipe and an anti-detachment structure to prevent the fastening sleeve 2 from detaching from the sliding sleeve 1.

[0028] The improvement of this invention lies in the following: the upper end of the fastening sleeve 2 is provided with a plurality of circumferentially spaced clamping springs 3, and each clamping spring 3 forms a clamping space that gradually narrows from bottom to top and can clamp onto the faucet connecting pipe. The upper end of each clamping spring 3 is fitted into the sliding sleeve 1, and the inner cavity of the sliding sleeve 1 is a flared space 100 that gradually narrows from bottom to top. Each clamping spring 3 and the flared space 100 constitute the clamping structure. Specifically, the fastening sleeve 2 has an upper expanding section 21 and a lower narrowing section 22, both of which are hollow structures that extend vertically. The top surface of the fastening sleeve 2 is recessed with a groove that communicates with the hollow cavity of the fastening sleeve 2, that is, the top surface of the upper expanding section 21 is recessed with a groove that communicates with the hollow cavity of the fastening sleeve 2. The hollow space of section 1 is connected by a notch, the inner diameter of which is larger than the inner diameter of the lower narrowing section 22. This notch is the groove mentioned above. The sliding sleeve 1 is stacked on the top surface of the upper widening section 21. The bottom of the groove is provided with several protruding pieces extending out of the groove. Each protruding piece is circumferentially spaced and distributed. Each protruding piece is fitted into the horn space 100. The protruding piece is the clamping spring 3 mentioned above. The lower part of the protruding piece has a smooth structure. The inner side wall of the upper end of the protruding piece has an internal thread 31 that matches the external thread of the faucet connecting pipe. The inner diameter of the internal thread matches the outer diameter of the external thread of the faucet connecting pipe. That is, the protruding piece is an inwardly inclined piece. Each protruding piece forms the above-mentioned clamping space that gradually narrows from bottom to top. The inner side wall of the lower end of the protruding piece smoothly transitions with the inner side wall of the fastening sleeve 2. In application, the sliding sleeve 1 is positioned above the fastening sleeve 2, the faucet connecting tube extends into the clamping space and the horn space 100, the internal thread 31 of the clamping spring is screwed into the external thread of the faucet connecting tube, and then each clamping spring 3 is fitted into the horn space of the sliding sleeve 1. Because each clamping spring 3 is circumferentially spaced, each clamping spring 3 has an elastic force that allows it to move inward or outward. When each clamping spring 3 is not restrained by the sliding sleeve 1, each clamping spring 3 has space to move outward. At this time, the inner diameter of the clamping space becomes larger, which facilitates the faucet connecting pipe to extend into the clamping space and move up and down within the clamping space. When the sliding sleeve 1 and each clamping spring are tightly fitted together, each clamping spring moves inward under the pressure of the inner wall of the sliding sleeve 1. The inner diameter of the clamping space then becomes smaller, clamping the faucet connecting pipe. This allows the internal threads of each clamping spring to engage with the external threads of the faucet connecting pipe. Thus, when the inner wall of the sliding sleeve 1 and each clamping spring are tightly fitted together, the maximum inner diameter of the clamping space is greater than the outer diameter of the faucet connecting pipe, and the minimum inner diameter of the clamping space is equal to the outer diameter of the faucet connecting pipe. Furthermore, the internal thread of the clamping spring 3 is located on the upper inner side wall of the clamping spring 3, and not on the lower inner side wall of the clamping spring, which also makes the lower end of the clamping spring 1 less likely to break.

[0029] The sliding sleeve 1 has a downwardly protruding driving block 4 located outside the clamping space. The fastening sleeve 2 has a first hook structure and a second hook structure for the driving block 4 to hook onto. The first hook structure is located above the second hook structure. The driving block 4 can slide on the first hook structure and the second hook structure. The first hook structure, the second hook structure, and the driving block 4 constitute the anti-detachment structure. Specifically, the bottom of the groove has an upwardly protruding arc-shaped protrusion 5 corresponding to each driving block 4, extending along the circumferential direction of the groove. The arc-shaped protrusion 5 is located outside the protrusion. The bottom surface of the sliding sleeve 1 has a plurality of circumferentially evenly spaced protrusions. The lower protrusions are distributed around and extend into the groove. The lower protrusions are the driving blocks 4. The inner sidewall of the arc-shaped protrusion 5 has a notch 200 that extends upward to the top surface of the arc-shaped protrusion 5 and allows the lower protrusions to extend into it. The outer sidewall of the lower end of the lower protrusion has a hook 41 protruding. That is, the lower protrusion is an arc-shaped piece. The outer sidewall of the lower end of the lower protrusion has a strip-shaped block extending along the arc direction of the lower protrusion. The outer side of the bottom surface of the strip-shaped block has a cutting bevel 300 that extends upward to the upper side of the side of the strip-shaped block. The side of the notch 200 facing the clamping space is an arc surface. This strip-shaped block is the hook 41.

[0030] The lower part of the inner wall of the notch 200 is recessed outwardly to provide a first hook groove 401 and a second hook groove 402 for the hook 41 to extend into and hook. The first hook groove 401 and the second hook groove 402 are arranged laterally along the arcuate direction of the arcuate protrusion 5. The lower parts of the first hook groove 401 and the second hook groove 402 are connected through each other. The notch 200 and the first hook groove 401 constitute the first hook structure, and the notch 200 and the second hook groove 402 constitute the second hook structure. That is, the bottom surface of the upper expansion section 21 is recessed upward to provide a lower arcuate groove extending in the circumferential direction of the upper expansion section 21. The top surface of the lower arcuate groove is... The upper arc-shaped groove is recessed laterally. A window is provided on the groove wall of the aforementioned recessed groove to expose both the upper and lower arc-shaped grooves. The portion of the lower arc-shaped groove outside the upper arc-shaped groove is the first hook groove 401. The portion connecting the lower and upper arc-shaped grooves forms the second hook groove 402. The first hook groove 401 and the second hook groove 402 are connected to form a driving groove. The number of driving grooves matches the number of driving blocks 4. There are three driving blocks 4, and correspondingly three driving grooves. There are five clamping springs 3, with three clamping springs spaced apart from the three driving blocks 4. In application, each hook 41 is aligned with its respective recess 200, and the sliding sleeve 1 is pushed downwards. Guided by the cutting bevel 300, the hook enters the first hook groove 401 or the second hook groove 402. The driving block is positioned between the lower end of the clamping spring 3 and the arc-shaped protrusion 5. When the hook 41 is in the first end of the first hook groove 401, the bottom surface of the sliding sleeve 1 is in contact with the top surface of the upper expansion section 21, causing the bottom surface of the block 4 to press against the bottom of the groove. Each clamping spring 3 clamps the faucet connecting pipe. When the sliding sleeve 1 is rotated, the hook 41 rotates to the second end of the first hook groove 401. The sliding sleeve 1 is moved upward, and the hook 41 enters the second hook groove 402. The upper end of each clamping spring 3 falls into the hollow cavity at the lower end of the sliding sleeve 1. The inner diameter of the lower end of the sliding sleeve 1 is larger than the outer diameter of the upper end of each clamping spring. In this way, each clamping spring has space to release outward. When the faucet connecting pipe moves in the clamping space, the inner diameter of the clamping space increases, allowing the entire fastener to move quickly along the faucet connecting pipe, facilitating the fastener to move quickly to the bottom of the external mounting platform.

[0031] This novel multi-functional quick-install fastener for hot and cold faucets is applied by positioning the hook 41 above the second hook groove 402, corresponding to the notch 200. The sliding sleeve 1 is then pushed downwards, positioning the hook 41 within the second hook groove 402. The bottom surface of the sliding sleeve 1 and the top surface of the fastening sleeve 2 are spaced apart. The upper ends of each clamping spring fall into the lower end of the horn space. The faucet connecting tube is then sequentially inserted into the horn space of the sliding sleeve 1, the clamping space of the fastening sleeve 2, and the hollow cavity. Each clamping spring has an outward release space, allowing the fastener to quickly move along the faucet connecting tube to the bottom of the external mounting platform. The top surface of the sliding sleeve 1 and the external mounting platform... When the bottom surfaces contact each other, the fastening sleeve 2 moves upward, and the bottom surface of the sliding sleeve 1 contacts the top surface of the fastening sleeve 2. The hook 41 enters one end of the first hook groove 401. Then, the fastening sleeve 2 is rotated, and the hook enters the end of the first hook groove 401 facing away from the second hook groove 402. Each clamping spring 3 is fully inserted into the flared space of the sliding sleeve 1. At this time, during the relative up-and-down movement of the sliding sleeve 1 and the fastening sleeve 2, the inner sidewall of the sliding sleeve 1 can exert force on the outer sidewall of each clamping spring. While moving, the inner sidewall of the sliding sleeve 1 pushes each clamping spring 3 towards the center of the clamping space, thereby causing each clamping spring 3 to clamp the faucet connecting pipe. Compared with the prior art, by squeezing each clamping spring 3 towards the clamping space through the inner sidewall of the sliding sleeve 1 to clamp the faucet connecting pipe, the clamping springs only have internal threads, and there is no need to set the length of the clamping springs to be too long to achieve the clamping springs 3 clamping the faucet connecting pipe. There is no need to make the drive block 4 too long, so that the drive block and the clamping spring are not easy to break, thus making the entire fastener body have a longer service life.

[0032] In this novel invention, an advantageous feature is that the inner wall of the notch 200, located between the first hook groove 401 and the second hook groove 402, has a guide arc-shaped block 51 for guiding the hook from the first hook groove 401 into the second hook groove 402. The arc lengths of the inner top surfaces of the first hook groove 401 and the second hook groove 402 match the arc length of the hook 41. In application, the guide arc-shaped block 51 facilitates a certain degree of separation between the driving grooves, preventing relative slippage and rotation between the sliding sleeve and the fastening sleeve when no external force is applied. It also facilitates the guiding of the first hook groove 401 into the second hook groove 402.

[0033] In this novel design, a plurality of engaging blocks 6 are evenly spaced along the circumferential direction of the sliding sleeve 1, protruding upwards from the top surface of the sliding sleeve 1. The first end of the top surface of each engaging block 6 is inclined upwards from bottom to top, forming an upwardly inclined anti-slip slope 61. The second end of the top surface of each engaging block 6 is a straight surface 62 extending radially from the sliding sleeve 1. Furthermore, a plurality of anti-slip arc strips 63 are protruding from the top surface of each engaging block 6 and spaced along the radial direction of the sliding sleeve 1. This structure enhances the friction between the top surface of the sliding sleeve 1 and the bottom of the external mounting platform, preventing the faucet from rotating when the external faucet is turned.

[0034] In this invention, the outer wall of the clamping spring 3 is provided with arc-shaped protrusions 32 spaced apart along the circumferential direction of the fastening sleeve 2, and the inner wall of the sliding sleeve 1 is provided with several partition strips 11 spaced apart along the circumferential direction of the sliding sleeve 1. Each partition strip 11 extends vertically along the inner wall of the sliding sleeve 1, and a movement space is formed between each pair of partition strips 11, allowing the clamping spring 3 to move circumferentially within it. The number of clamping springs, partition strips, and movement spaces are arranged in a one-to-one correspondence, that is, there are five clamping springs, five partition strips, and five movement spaces. In application, the arc-shaped protrusions 32 can increase the friction between the outer wall of each clamping spring 3 and the inner wall of the sliding sleeve 1, making it difficult for the sliding sleeve and the fastening sleeve to rotate relative to each other without external force. Moreover, the partition strips 21 allow the clamping spring 3 to move within the movement space, facilitating the corresponding tight fit between the sliding sleeve 1 and the fastening sleeve 2, and also facilitating the corresponding entry of the hook 41 into the drive groove.

[0035] In this invention, a preferred feature is that the outer wall of the lower diameter reduction section 22 is provided with a plurality of anti-slip ridges spaced apart along the circumferential direction of the lower diameter reduction section 22, and the anti-slip ridges are vertically arranged. In application, the anti-slip ridges increase the friction of the fastening sleeve 2, preventing slippage when the fastening sleeve 2 is moved.

[0036] In this new invention, the thickness of the sliding sleeve 1 in the vertical direction is less than the thickness of the driving block 4 in the vertical direction, and the distance between the inner bottom surface of the first hook groove 401 and the inner top surface of the second hook groove 402 is greater than the distance between the inner bottom surface of the first hook groove 401 and the inner top surface of the first hook groove 402. When the hook 41 moves up into the second hook groove 402, the bottom surface of the sliding sleeve 1 extends beyond the top surface of each clamping spring 1. Thus, with the above structure, since the driving block 4 and each clamping spring are spaced apart, when the sliding sleeve moves up, the flared space of the sliding sleeve completely moves out of each clamping spring, so that each clamping spring has more space to move outward, making it more convenient for the faucet connecting pipe to move within the clamping space.

[0037] The product form of this utility model is not limited to the illustrations and embodiments in this case. Any appropriate changes or modifications made to it based on similar ideas should be considered as not departing from the patent scope of this utility model.

Claims

1. A multi-functional quick-install fastener for hot and cold water faucets, comprising a sliding sleeve and a fastening sleeve, wherein the sliding sleeve and the fastening sleeve are provided with a clamping structure for clamping the faucet connecting pipe and an anti-detachment structure for preventing the fastening sleeve from detaching from the sliding sleeve, characterized in that: The upper end of the aforementioned fastening sleeve is provided with several circumferentially spaced clamping springs, and each clamping spring forms a clamping space that gradually narrows from bottom to top and can clamp onto the faucet connecting pipe. The upper ends of the clamping springs extend into the sliding sleeve, and the inner cavity of the sliding sleeve is a flared space that gradually narrows from bottom to top. Each clamping spring and the flared space constitute the clamping structure. The sliding sleeve is provided with a downward protruding driving block outside the clamping space. The fastening sleeve is provided with a first hook structure and a second hook structure for the driving block to hook onto. The first hook structure is located above the second hook structure, and the driving block can slide on the first hook structure and the second hook structure. The first hook structure, the second hook structure, and the driving block constitute the anti-detachment structure.

2. The multi-functional quick-install fastener for hot and cold water faucets according to claim 1, characterized in that: The top surface of the fastening sleeve is recessed with a groove that communicates with the hollow cavity of the fastening sleeve. The bottom of the groove is provided with several protruding pieces that extend out of the groove. The protruding pieces are distributed circumferentially at intervals. The protruding pieces are the clamping spring pieces. The lower part of the protruding piece has a smooth structure, and the upper part of the protruding piece has an internal thread.

3. The multi-functional quick-install fastener for hot and cold water taps according to claim 2, characterized in that: The protrusions are inclined inwards, and each protrusion forms a clamping space that gradually narrows from bottom to top. The inner wall of the lower end of the protrusion smoothly transitions to the inner wall of the fastening sleeve.

4. A multi-functional quick-install fastener for hot and cold water taps according to claim 2 or 3, characterized in that: The groove bottom has an arc-shaped protrusion extending upward along the circumferential direction of the groove corresponding to each driving block. The arc-shaped protrusion is located outside the protrusion. The lower bottom surface of the sliding sleeve has several circumferentially spaced lower protrusions that extend into the groove. The lower protrusion is the driving block. The inner sidewall of the arc-shaped protrusion has a notch that extends upward to the top surface of the arc-shaped protrusion and allows the lower protrusion to extend into it. The lower end of the lower protrusion has a hook protruding on the outer sidewall. The lower part of the inner groove wall of the notch has a first hook groove and a second hook groove that allow the hook to extend into and hook. The first hook groove and the second hook groove are arranged laterally along the arc direction of the arc-shaped protrusion. The lower parts of the first hook groove and the second hook groove are connected through each other. The notch and the first hook groove constitute the first hook structure. The notch and the second hook groove constitute the second hook structure.

5. A multi-functional quick-install fastener for hot and cold water faucets according to claim 4, characterized in that: The fastening sleeve has an upper expanding section and a lower reducing section, both of which are hollow structures that extend vertically. The top surface of the upper expanding section has a recessed groove that communicates with the hollow space of the upper expanding section. This recessed groove is the groove mentioned above. The sliding sleeve is stacked on the top surface of the upper expanding section. The bottom surface of the upper expanding section has an upward-facing recessed lower arc-shaped groove that extends along the circumferential direction of the upper expanding section. One side of the top surface of the lower arc-shaped groove has an upward-facing recessed upper arc-shaped groove. The groove wall of the recessed groove has a window that exposes both the upper and lower arc-shaped grooves. The part of the lower arc-shaped groove outside the upper arc-shaped groove is the first hook groove mentioned above. The part of the lower arc-shaped groove that communicates with the upper arc-shaped groove and the upper arc-shaped groove together constitutes the second hook groove mentioned above.

6. A multi-functional quick-install fastener for hot and cold water faucets according to claim 5, characterized in that: The outer wall of the lower diameter reduction section is provided with a number of anti-slip ridges spaced apart along the circumferential direction of the lower diameter reduction section, and the anti-slip ridges are vertically arranged.

7. A multi-functional quick-install fastener for hot and cold water faucets according to claim 4, characterized in that: The inner wall of the notched groove is located between the first hook groove and the second hook groove, and has a guide arc block for the hook to slide from the first hook groove into the second hook groove.

8. A multi-functional quick-install fastener for hot and cold water faucets according to claim 4, characterized in that: The lower protrusion is an arc-shaped piece. The lower outer wall of the lower protrusion has a strip-shaped block extending along the arc direction of the lower protrusion. The bottom outer surface of the strip-shaped block has a cutting bevel that extends upward to the upper part of the side of the strip-shaped block. The side of the notch facing the clamping space is an arc surface. This strip-shaped block is the hook.

9. A multi-functional quick-install fastener for hot and cold water faucets according to claim 1, characterized in that: The top surface of the sliding sleeve is provided with a plurality of locking blocks that are evenly spaced along the circumferential direction of the sliding sleeve. One end of the top surface of the locking block is inclined upward from bottom to top, and the top surface of the locking block is provided with a plurality of anti-slip arc strips that are spaced along the radial direction of the sliding sleeve.

10. A multi-functional quick-install fastener for hot and cold water taps according to claim 1, characterized in that: The outer wall of the clamping spring is provided with arc-shaped protrusions spaced apart along the circumferential direction of the fastening sleeve. The inner wall of the sliding sleeve is provided with several partition strips spaced apart along the circumferential direction of the sliding sleeve. Each partition strip extends along the vertical direction of the inner wall of the sliding sleeve, and a movement space is formed between each pair of partition strips for the clamping spring to move circumferentially within it.

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