WO2021082539A1

WO2021082539A1 - Quick assembly and disassembly connecting structure of faucet

Info

Publication number: WO2021082539A1
Application number: PCT/CN2020/103206
Authority: WO
Inventors: 李军; 林子灵; 吴学胜
Original assignee: 浙江苏尔达洁具有限公司
Priority date: 2019-10-29
Filing date: 2020-07-21
Publication date: 2021-05-06
Also published as: CN110725368A

Abstract

Provided is a quick assembly and disassembly connecting structure of a faucet, belonging to the technical field of connecting structures. The connecting structure solves the technical problems of existing quick assembly and disassembly connecting structures of a faucet, such as same being inconvenient to assemble and use. The connecting structure comprises a cylinder, the cylinder is provided with a through hole, at least two mounting holes in communication with the through hole are provided in a peripheral face, close to the upper end, of the cylinder, an arc-shaped movable block is embedded in each mounting hole, clamping threads are provided on an inner wall of each movable block, all the movable blocks are annularly arranged to form a clamping trend, and reset elastic members are arranged among the movable blocks; the upper end of the cylinder has a locking sleeve sleeved thereon, a lower end face of the locking sleeve abuts against the peripheral face of the cylinder, and the cylinder is provided with an annular flange connected to the upper end of the locking sleeve in a clamped manner; and an inner wall of the locking sleeve is provided with a rotary pushing structure capable of abutting against outer side faces of the movable blocks. The connecting structure has the advantages of being convenient to assemble, having few components and being low in cost.

Description

Fast disassembly and assembly connection structure of faucet

Technical field

The invention belongs to the technical field of hardware connectors, and relates to a connection structure of a faucet, in particular to a quick disassembly and assembly connection structure of a faucet.

Background technique

When the faucet is installed on the side of the basin or basin, the lock nut and the screw at the lower end of the faucet are mainly used to realize the installation and fixation with the countertop. The kitchen faucet or bathroom basin faucet are installed near the wall and are restricted at the same time. In the sinking shape of the kitchen sink or bathroom basin, the space for locking the faucet under the countertop is very small. According to the current locking operation of the nut and the screw, the nut must start to rotate from the lower end of the screw. The countertop of different thickness determines the effective length of the screw , Which determines the stroke length when the nut is locked, so there will inevitably be the problem of time-consuming and labor-consuming when the nut is locked, and on the contrary, there is also the problem of time-consuming and labor-consuming when disassembling. In order to improve the installation speed of the faucet, some faucet quick installation structures have appeared on the market. The quick installation is mainly achieved by one-way buckle. However, the nut must be disassembled from the highest point of the installation to the end of the screw when disassembling. There are time-consuming and labor-intensive problems. Because of the small space under the table, it is inconvenient to operate under the table.

China's patent (Announcement Number: CN203129257U; Announcement Date: 2013-08-14) discloses a faucet quick assembly and quick disassembly structure, which cooperates with the screw movement of the lower part of the faucet or other accessories. It includes a body and a body placed in the body. The movable lock block, a push plate movably fitted on the main body, and a push block movably fitted on the main body and driven by the push plate; the movable lock block is composed of at least two movable blocks and at least one reset that enables the two movable blocks to reset outward The inner wall of each movable block forms a mating surface corresponding to the outer wall of the screw. At the same time, the mating surface is equipped with an anti-falling device; the push plate is a set of rings whose lower part is movably fitted in the body. The upper surface of the block is in contact, and the number of push blocks is set corresponding to the number of movable blocks. On one side of the push block, there is a push part that matches the guide part of the movable block. When the push block sinks into the body, the push block’s The pushing part pushes each movable block and tightly hugs the screw.

The faucet quick assembly and quick disassembly structure in the above patent documents is specially provided with a buckle for the connection and fixation of various components; in order to realize the locking of the movable lock block, a push plate and a movable fitting on the body and driven by the push plate are specially set Pushing the block, the whole structure has many parts, the manufacturing cost is high, the assembly is troublesome, and the use is inconvenient.

Summary of the invention

In view of the above-mentioned problems in the prior art, the present invention provides a quick disassembly and assembly connection structure of a faucet. The technical problem to be solved by the present invention is: how to improve the convenience of disassembly and assembly and connection of the faucet while simplifying its structure and improving its assembly Convenience, reduce its cost.

The purpose of the present invention can be achieved through the following technical solutions:

A quick disassembly and assembly connection structure for a faucet includes a cylinder body with a through hole penetrating along its axial direction. The cylinder body is characterized in that at least two connections are provided on the outer peripheral surface of the cylinder body close to the upper end. The mounting holes of the through holes, each mounting hole is embedded with an arc-shaped movable block, the inner wall of the movable block is provided with a clamping thread, and all the movable blocks are arranged in a ring shape to form a clamping potential. A reset elastic member is provided between the movable blocks; a locking sleeve is sleeved on the upper end of the cylinder, and the lower end of the locking sleeve abuts against the outer peripheral surface of the cylinder, and the cylinder The outer edge of the upper end surface has an annular flange that is clamped with the upper end of the locking sleeve; the inner wall of the locking sleeve is provided with the outer surface of the movable block that can abut against and push the movable block A rotating push structure that moves inward in the radial direction.

Its working principle is as follows: The quick disassembly connection structure cooperates with the screw of the lower part of the faucet or other accessories to fix the faucet on the basin or the countertop of the basin. The locking sleeve is sleeved on the outer peripheral surface of the upper end of the cylinder. The cylinder and the locking sleeve are snap-fitted. The movable block is located in the mounting hole of the cylinder. The rotating and pushing structure can be that the inner wall of the cylinder is gradually along the circumference of the cylinder. The thickened locking layer can also be an arc-shaped convex strip with a gradually increasing height, or the cross section of the cylinder is elliptical; in the initial state, the rotating pushing structure in the locking sleeve makes room for a larger position. For the movable block; the outer side of the movable block is blocked by the locking sleeve, and the inner side has a radial outward movement tendency under the action of the reset elastic member. The reset elastic member can not only realize the reset of the movable block, but also avoid movement The block moves radially toward the inside and falls off. When the quick disassembly connection structure is in use, the screw of the lower part of the faucet or other accessories is inserted into the through hole of the cylinder from top to bottom, and multiple movable blocks are located on the periphery of the screw, and there is a movable space between two adjacent movable blocks. At this time, the locking sleeve is rotated, and the rotating pushing structure rotates to push the movable block to move radially inward, and finally the clamping thread on the inner wall of the movable block and the screw are locked and locked.

In this technical solution, the movable block provided in the cylinder and the locking sleeve that can push the movable block are arranged on the cylinder can realize the fixing of the screw of the lower part of the faucet or other accessories; in the normal state, the cylinder can be on the faucet or related to it. The screw of the mounting accessories moves up and down, and it does not need to start from the bottom end of the screw. When the cylinder moves to the table, slightly rotate the locking sleeve (no more than half a circle) to push the movable block and the screw tightly. Cooperate, otherwise, rotate the locking sleeve counterclockwise to loosen the tight fit of the screw, so as to realize the function of quick installation and quick disassembly of the faucet or its related installation accessories, making the installation and disassembly of the faucet more convenient and faster. At the same time, the quick disassembly and assembly connection structure is simple, the parts are few, the manufacturing cost is reduced, and the convenience and efficiency of assembly are improved.

As an equivalent alternative, the clamping thread on the inner wall of the movable block in this technical solution can also be a screw thread, a tooth shape, a convex strip, a knurling, a convex point, and the like.

In the above-mentioned quick disassembly and assembly connection structure of the faucet, the number of the mounting holes and the movable blocks are both two and they are symmetrically arranged on both sides of the cylinder, and the rotation pushing structure also has two groups and is connected with the movable block. The blocks are arranged in one-to-one correspondence, the reset elastic member is a C-shaped ring spring, and the two ends of the C-shaped ring spring are respectively connected to the two movable blocks. In the entire process of installation and disassembly in the technical solution, the locking sleeve can be realized by only rotating half a circle at most; two movable blocks can be enclosed to form a clamping potential to clamp the screw rod, and there are few parts and easy assembly. Each movable block is under the action of the C-shaped ring spring. Initially, there is a space between the two movable blocks and cannot be matched with the screw rod. After the locking sleeve is rotated, each movable block moves to the center of the through hole to make the movable block It is tightly fitted with the screw to realize the quick installation of the faucet; at the same time, the C-ring spring is in a state of deformation and energy storage. On the contrary, if the locking sleeve is rotated counterclockwise, the rotating and pushing structure of the locking sleeve will be tightened. Loss of the pushing effect on the movable block, the movable block moves outward under the reset force of the C-shaped ring spring to return to the initial state, that is, each movable block breaks away from the holding function of the screw, realizing the quick disassembly function of the faucet.

In the above-mentioned quick disassembly and assembly connection structure of the faucet, the lower side of the movable block has a limit gap, the lower side wall of the mounting hole has a limit protrusion, and the limit protrusion is embedded in the Within the limit gap. The radial movement of the movable block is guided and restricted by the limit protrusion to ensure the stability and reliability of its movement.

In the above-mentioned quick disassembly and assembly connection structure of the faucet, the outer peripheral surface of the cylinder has a limit step surface, and the lower end surface of the locking sleeve abuts against the limit step surface; the locking The inner side wall of the sleeve close to the upper end surface is provided with a ring-shaped limiting protrusion, and the lower side of the ring-shaped flange abuts against the upper side of the limiting protrusion. When the locking sleeve is assembled with the cylinder body, the locking sleeve is sleeved downward from the upper end of the cylinder body, and the inner wall of the locking sleeve squeezes the annular flange to produce slight deformation. When the annular flange passes the limit convex After lifting, the deformation is restored to lock the mutual limit between the two ends of the sleeve and the cylinder body, thereby realizing a stable connection between the two. At this time, the movable block is locked in the mounting hole of the cylinder body. The entire structure assembly is very simple and stable. reliable.

In the above-mentioned quick disassembly and assembly connection structure of the faucet, the cylinder is provided with a guide plane one on both sides of the mounting hole, and the two guide planes one with the two mounting holes on the same side are on the same plane. ; The two ends of the movable block have two guiding planes that abut the guiding plane. The relative movement of the two movable blocks is realized through the cooperation of the guiding plane 1 and the guiding plane 2, so as to realize the clamping and clamping of the screw rod.

In the above-mentioned quick disassembly and assembly connection structure of the faucet, the outer peripheral surface of the cylinder body near the upper end has a stopper, the inner wall of the locking sleeve near the upper end has an arc-shaped protrusion, and the upper side of the stopper It abuts against the lower side of the arc-shaped protrusion; the lower side of the arc-shaped protrusion has a blocking edge extending downward, and at the limit position, one side of the blocking block can abut against the blocking edge by. By setting the retaining edge and the arc-shaped protrusion; when the locking sleeve is rotated, it is limited and positioned to ensure the stability and reliability.

In the above-mentioned quick disassembly and assembly connection structure of the faucet, the outer peripheral surface of the lower end of the cylinder body is provided with a plurality of concave and convex ribs. The concave-convex rib is provided to facilitate the user's grip.

Compared with the prior art, the quick disassembly and assembly connection structure of the present invention has the following advantages:

1. In this technical solution, the movable block provided in the cylinder and the locking sleeve that can push the movable block are arranged on the cylinder can realize the fixing of the screw of the lower part of the faucet or other accessories, without the need to start the rotation from the bottom end of the screw. , A slight rotation of the locking sleeve (no more than half a turn) can push the movable block to fit tightly with the screw rod. On the contrary, turn the locking sleeve counterclockwise to loosen the tight fit of the screw rod, making the installation and disassembly of the faucet easier Convenient and fast.

2. The quick disassembly and assembly connection structure in this technical solution is simple, has fewer parts, reduces its manufacturing cost, and improves its assembly convenience and efficiency.

Description of the drawings

Fig. 1 is a schematic diagram of the three-dimensional structure of the quick disassembly and assembly connection structure.

Fig. 2 is a schematic cross-sectional structure diagram of the present quick disassembly and assembly connection structure.

Fig. 3 is an exploded structure diagram of the quick disassembly and assembly connection structure.

Fig. 4 is a schematic diagram of the three-dimensional structure of the locking sleeve in the quick disassembly and assembly connection structure.

In the figure, 1. Cylinder body; 11. Through hole; 12. Mounting hole; 13. Ring flange; 14. Limit bump; 15. Limit step surface; 16. Guide plane one; 17. Stop block; 18. Concave-convex ribs; 2. Active block; 21. Clamping thread; 22. Limit gap; 23. Guide plane two; 3. Reset elastic element; 31. C-ring spring; 4. Locking sleeve; 41. Rotating and pushing structure; 42, limiting protrusion; 43, arc-shaped protrusion; 43a, retaining edge.

Detailed ways

The following are specific embodiments of the present invention combined with the accompanying drawings to further describe the technical solutions of the present invention, but the present invention is not limited to these embodiments.

The quick disassembly and assembly connection structure cooperates with the screw of the lower part of the faucet or other accessories, and is used to fix the faucet on the basin or the countertop of the basin. As shown in Figures 1 to 4, the quick disassembly and assembly connection structure of the faucet includes a cylinder body 1, the cylinder body 1 has a through hole 11 extending along its axial direction, and at least two are provided on the outer peripheral surface of the cylinder body 1 near the upper end. The mounting holes 12 connected to the through holes 11, each mounting hole 12 is embedded with an arc-shaped movable block 2, and the inner wall of the movable block 2 has a clamping thread 21, and all the movable blocks 2 are arranged in a ring shape to form a hug The upper end of the cylinder 1 is sleeved with a locking sleeve 4, and the outer circumference of the lower end of the cylinder 1 has a number of concave and convex ribs 18; the locking sleeve The lower end surface of the cylinder 4 abuts against the outer peripheral surface of the cylinder 1, the outer edge of the upper end surface of the cylinder 1 has an annular flange 13 that is clamped with the upper end of the locking sleeve 4; the inner wall of the locking sleeve 4 has The rotary pushing structure 41 that can abut against the outer side surface of the movable block 2 and push the movable block 2 to move radially inwardly. In this embodiment, the rotary pushing structure 41 is a locking layer on the inner wall of the sleeve 4, and the locking layer runs along the lock The circumferential thickness of the tight sleeve 4 gradually increases. The locking sleeve 4 is sleeved on the outer peripheral surface of the upper end of the cylinder 1, the cylinder 1 and the locking sleeve 4 are snap-fitted, and the movable block 2 is located in the mounting hole 12 of the cylinder 1. In the initial state, the locking sleeve 4 The thinner position of the inner locking layer is facing the movable block 2; the outer side of the movable block 2 is blocked and limited by the locking sleeve 4, and the inner side has a radial outward movement tendency under the action of the reset elastic member 3. The elastic member 3 can not only realize the reset of the movable block 2 but also prevent the movable block 2 from falling off after moving inward in the radial direction. When the quick disassembly and assembly connection structure is in use, the screw of the lower part of the faucet or other accessories is inserted into the through hole 11 of the cylinder 1 from top to bottom, and a plurality of movable blocks 2 are located on the periphery of the screw, one of two adjacent movable blocks 2 When the locking sleeve 4 is rotated, the thickness of the locking layer gradually increases, which pushes the movable block 2 to move radially inward, and finally makes the clamping thread 21 on the inner wall of the movable block 2 embrace the screw. Lock tightly. In this embodiment, the movable block 2 provided in the cylinder 1 and the locking sleeve 4 that can push the movable block 2 are arranged on the cylinder 1 to realize the fixing of the screw of the lower part of the faucet or other accessories; in the normal state, the cylinder 1 It can move up and down on the screw of the faucet or its related installation accessories. It does not need to start to rotate from the bottom end of the screw. When the cylinder 1 is moved to the table, a slight rotation of the locking sleeve 4 can push the movable block 2 It is tightly fitted with the screw rod. On the contrary, rotate the locking sleeve 4 counterclockwise to loosen the tight fit of the screw rod, so as to realize the function of quick installation and quick disassembly of the faucet or its related installation accessories, making the installation and disassembly of the faucet more convenient. Convenient and fast. At the same time, the quick disassembly and assembly connection structure is simple, the parts are few, the manufacturing cost is reduced, and the convenience and efficiency of assembly are improved.

Further, as shown in FIG. 3, the number of the mounting holes 12 and the movable block 2 in this embodiment are both two and are symmetrically arranged on both sides of the cylinder 1, and the rotary pushing structure 41 also has two groups and is the same as the movable block 2. In a corresponding arrangement, the reset elastic member 3 is a C-shaped ring spring 31, and both ends of the C-shaped ring spring 31 are connected to the two movable blocks 2 respectively. In the whole process of installation and disassembly in this embodiment, the locking sleeve 4 only needs to rotate half a turn at most; the two movable blocks 2 can be enclosed to form a clamping potential to clamp the screw rod, and there are few parts and easy assembly . Each movable block 2 is under the action of the C-shaped ring spring 31. Initially, there is a retreat space between the two movable blocks 2 and cannot be matched with the screw rod. After the locking sleeve 4 is rotated, each movable block 2 faces the center of the through hole 11. Move, so that the movable block 2 and the screw can achieve a tight fit, so as to realize the rapid installation of the faucet; at the same time, the C-shaped ring spring 31 is in a deformed and energy-storing state. On the contrary, the locking sleeve 4 is rotated counterclockwise and reversed. Then the rotation pushing structure 41 of the locking sleeve 4 loses its pushing effect on the movable block 2, and the movable block 2 moves outward under the reset force of the C-shaped ring spring 31 to return to the initial state, that is, each movable block 2 is separated from the screw The holding function of the faucet realizes the quick disassembly function of the faucet.

As shown in FIG. 3, the lower side of the movable block 2 has a limit gap 22, and the lower side wall of the mounting hole 12 has a limit protrusion 14, and the limit protrusion 14 is embedded in the limit gap 22; The convex block 14 guides and limits the radial movement of the movable block 2 to ensure the stability and reliability of its movement; the outer peripheral surface of the cylinder 1 has a limit step surface 15, and the lower end surface of the locking sleeve 4 abuts On the limiting step surface 15; the inner side wall of the locking sleeve 4 near the upper end surface has an annular limiting protrusion 42, and the lower side of the annular flange 13 abuts against the upper side of the limiting protrusion 42; When the sleeve 4 and the cylinder 1 are assembled, the locking sleeve 4 is sleeved downward from the upper end of the cylinder 1, and the inner wall of the locking sleeve 4 squeezes the annular flange 13 to produce a slight deformation. 13 After passing through the limiting protrusion 42, the deformation is restored, so that the two ends of the locking sleeve 4 and the barrel 1 are mutually limited, thereby achieving a stable connection between the two. At this time, the movable block 2 is locked in the mounting hole of the barrel 1 In 12, the whole structure assembly is very simple and stable and reliable; the cylinder 1 is provided with a guide plane 16 on both sides of the mounting hole 12, and the two guide planes 16 with the two mounting holes 12 on the same side are on the same plane. The two ends of the movable block 2 have two guide planes 23 that abut the guide plane, and the relative movement of the two movable blocks 2 is realized through the cooperation of the guide plane 16 and the guide plane two 23, so as to realize the clamping and clamping of the screw.

As shown in Figures 3 and 4, the outer peripheral surface of the cylinder body 1 near the upper end has a stopper 17, and the inner wall of the locking sleeve 4 near the upper end has an arc-shaped protrusion 43. The upper side of the stopper 17 and the arc-shaped protrusion The lower side of the ridge 43 abuts; the lower side of the arc-shaped protrusion 43 has a blocking edge 44 extending downwards. When in the extreme position, one side of the blocking block 17 can abut against the blocking edge 44. By setting the blocking edge 44 And the arc-shaped protrusion 43; when the locking sleeve 4 is rotated, it is limited and positioned to ensure stability.

The specific embodiments described herein are merely examples to illustrate the spirit of the present invention. Those skilled in the art to which the present invention pertains can make various modifications or additions to the specific embodiments described or use similar alternatives, but they will not deviate from the spirit of the present invention or exceed the definition of the appended claims. Range.

Although this article mostly uses 1, the cylinder; 11, the through hole; 12, the mounting hole; 13, the ring flange; 14, the limit bump; 15, the limit step surface; 16, the guiding plane one; 17 18. Stopper; 18. Concave-convex rib; 2. Movable block; 21. Clamping thread; 22. Limit gap; 23. Guide plane two; 3. Reset elastic element; 31. C-ring spring; 4. Lock sleeve Cylinder; 41, rotating pushing structure; 42, limiting protrusion; 43, arc-shaped protrusion; 43a, retaining edge and other terms, but the possibility of using other terms is not excluded. These terms are used only to describe and explain the essence of the present invention more conveniently; to interpret them as any additional limitation is contrary to the spirit of the present invention.

Claims

A quick disassembly and assembly connection structure for a faucet, comprising a cylinder body (1), the cylinder body (1) has a through hole (11) penetrating along its axial direction, and is characterized in that the cylinder body (1) is close to the upper end At least two mounting holes (12) connected to the through hole (11) are opened on the outer circumferential surface of each mounting hole (12), and an arc-shaped movable block (2) is embedded in each of the mounting holes (12), so The inner wall of the movable block (2) is provided with a clamping thread (21), all the movable blocks (2) are arranged in a ring shape to form a clamping potential, and a reset elastic member (3) is arranged between the movable blocks (2) The upper end of the cylinder (1) is sleeved with a locking sleeve (4), and the lower end of the locking sleeve (4) abuts against the outer peripheral surface of the cylinder (1), the cylinder The outer edge of the upper end surface of the body (1) has an annular flange (13) that is clamped to the upper end of the locking sleeve (4); the inner wall of the locking sleeve (4) has a The outer side surface of the movable block (2) abuts and pushes the movable block (2) to move radially inwardly in a rotating pushing structure (41).
The quick disassembly and assembly connection structure of the faucet according to claim 1, wherein the number of the mounting hole (12) and the movable block (2) are both two and are symmetrically arranged on the cylinder body (1). On both sides, the rotation pushing structure (41) also has two groups and is arranged in one-to-one correspondence with the movable block (2), the reset elastic member (3) is a C-shaped ring spring (31), and the C-shaped ring The two ends of the spring (31) are respectively connected to the two movable blocks (2).
The quick disassembly and assembly connection structure of the faucet according to claim 1 or 2, characterized in that the lower side of the movable block (2) has a limit gap (22), and the lower side wall of the mounting hole (12) There is a limiting protrusion (14) on the upper part, and the limiting protrusion (14) is embedded in the limiting notch (22).
The quick disassembly and assembly connection structure of the faucet according to claim 2, characterized in that the outer peripheral surface of the cylinder (1) has a limit step surface (15), and the lower part of the locking sleeve (4) The end surface abuts on the limiting step surface (15); the inner side wall of the locking sleeve (4) close to the upper end surface has an annular limiting protrusion (42), and the annular flange (13) The lower side of) abuts against the upper side of the limiting protrusion (42).
The quick disassembly and assembly connection structure of the faucet according to claim 4, characterized in that the cylinder (1) is provided with a guide plane (16) on both sides of the mounting hole (12), and two mounting holes (16) are provided on both sides of the mounting hole (12). The two guide planes one (16) with the holes (12) on the same side are on the same plane; the two ends of the movable block (2) have two guide planes (23) that abut the guide plane.
The quick disassembly and assembly connection structure of the faucet according to claim 1 or 2, characterized in that the outer peripheral surface of the cylinder (1) close to the upper end has a stop (17), and the locking sleeve (4) An arc-shaped protrusion (43) is provided on the inner wall near the upper end, and the upper side of the stop (17) abuts against the lower side of the arc-shaped protrusion (43); The lower side is provided with a blocking edge (44) extending downwards. When in the extreme position, one side of the blocking block (17) can abut the blocking edge (44).