Quick coupler

Abstract

The utility model relates to a quick coupler, which is arranged on a screw at the lower part of a faucet, and is characterized by comprising a nut sleeve and a cover cap, a section of arc-shaped fixed thread is arranged in the nut sleeve, the cover cap is movably matched with the nut sleeve, a movable thread is arranged in the cover cap, and the movable thread is matched with the nut sleeve. When the nut sleeve screws the screw rod relative to the cover cap, the movable threads are tightly held, and the movable threads and the fixed threads form a whole thread which is tightly connected with the screw rod in a threaded mode. With the adoption of the structure, the mounting structure has the advantages of quickness in mounting, simple structure, better stability and the like.

Description

Technical Field

[0001] The utility model relates to the field of bathrooms, in particular to a quick-install connector. Background Art

[0002] Traditional kitchen and bathroom installation joints mainly rely on the threaded fit of the nut and the screw, which needs to be rotated to the bottom before they can be installed in place. This is not only time-consuming and labor-intensive, but also prone to loosening.

[0003] In response to the above problems, Chinese utility model patent application 202210426767.5 discloses "a quick-release quick-install nut", which relates to a quick-release quick-install nut, including a main body and a top cover that are fixed by clamping, two relatively distributed locking blocks are arranged between the main body and the top cover, and two V-shaped elastic frames are relatively arranged on the inner wall of the main body, and the two groups of opposite ends of the locking blocks correspond to a V-shaped elastic frame respectively, and the two movable bottom ends of the V-shaped elastic frame are respectively connected with the supporting surfaces of the ends of the two locking blocks and prop up the left and right locking blocks, and the left and right locking blocks are locked when the top cover is clamped with the main body. Although the utility model can achieve easy installation, the structure is still relatively complex, contains many parts, and the production and assembly process is complicated.

[0004] In order to solve the above problems, the present invention proposes the following solution. Utility Model Content

[0005] The utility model aims to provide a quick-release connector, which has the advantages of quick installation, simple structure, good stability and the like.

[0006] In order to achieve the above purpose, the technical solution of the utility model is:

[0007] A quick-release connector is installed on a screw rod at the bottom of a faucet, comprising a nut sleeve and a cap, wherein the nut sleeve is provided with a section of arc-shaped fixed thread, the cap is movably fitted with the nut sleeve, and a movable thread is provided in the cap. When the nut sleeve is tightened against the cap on the screw rod, the movable thread is tightened to form a threaded whole with the fixed thread and is tightly screwed with the screw rod.

[0008] With the above structure, the fixed thread of the nut sleeve and the movable thread after the claws are clamped roughly form a threaded whole, which is screwed and tightly engaged with the thread on the screw, so that the faucet is firmly installed on the countertop. The quick-release connector of this solution is easy to install, has a simple structure, and has good stability and reliability.

[0009] Preferably, the nut sleeve is provided with an anti-slip convex or a clamping hole, the cap is provided with an anti-slip hook and claws distributed in a circular arc, the claws are provided with the movable thread, and the anti-slip hook cooperates with the anti-slip convex or a clamping hole.

[0010] Preferably, the nut sleeve port is provided with an annular boss extending outward, and a limiting groove is provided on the circumferential wall of the annular boss. The anti-drop hook can float up and down or rotate in a circle in the limiting groove.

[0011] Preferably, the limiting groove is composed of two longitudinal ribs arranged at intervals and a transverse anti-dropping protrusion.

[0012] Preferably, the nut sleeve is provided with a first inner ring surface and a second inner ring surface, the annular surface where the fixing thread is located is the first inner ring surface, the inner diameter of the second inner ring surface is larger than the inner diameter of the first inner ring surface, the second inner ring surface is provided with longitudinal grooves distributed at intervals, a guide inclined surface is provided between the longitudinal grooves and the second inner ring surface, and the second inner ring surface protrudes from the inner wall surface of the nut sleeve.

[0013] Preferably, the included angle of the annular surface where the fixed thread is located is 30 degrees to 90 degrees; the included angle of the arc surface spanned by the movable thread is 120 degrees to 150 degrees.

[0014] Preferably, the outer wall of the nut sleeve is provided with anti-slip convex strips.

[0015] Another technical solution of the utility model is:

[0016] A quick-release connector is installed on a screw rod at the bottom of a faucet, comprising a nut sleeve and a cap, wherein the nut sleeve is provided with a section of arc-shaped fixed thread, the cap is movably fitted with the nut sleeve, and a movable locking block is provided between the nut sleeve and the cap, and the movable locking block is provided with a movable thread. When the nut sleeve is tightened against the cap on the screw rod, the movable thread on the movable locking block and the fixed thread form a threaded whole, which is tightly screwed with the screw rod.

[0017] With the above structure, the fixed thread of the nut sleeve and the movable thread on the movable locking block roughly form a threaded whole, which is screwed and tightly engaged with the thread on the screw rod, so that the faucet is firmly installed on the countertop. The quick-release connector of this solution is easy to install, has a simple structure, and has good stability and reliability.

[0018] Preferably, an anti-dropout convex is provided on both sides of the fixed thread of the nut sleeve, and a limiting hook is provided inside each anti-dropout convex, a gap is provided between the anti-dropout convex and the limiting hook, a limiting sheet is provided on the opposite side of the fixed thread, and an anti-dropout hook is provided inside the cap, which can cooperate with the anti-dropout convex. The limiting hook is provided here to limit the movable locking block within a certain range of motion.

[0019] Preferably, the movable locking block has a side bevel, and the cap is provided with a side bevel block that cooperates with the side bevel. By utilizing the cooperation between the side bevel block and the side bevel, when the cap and the nut sleeve move up and down relative to each other, the movement of the cap will simultaneously drive the movable locking block to move toward the center. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional diagram of the overall structure of the first embodiment of the present utility model.

[0021] Figure 2 It is an exploded view of the overall structure of the first embodiment of the utility model.

[0022] Figure 3 This is a three-dimensional diagram of the overall structure of the cap according to the first embodiment of the present utility model.

[0023] Figure 4 It is a cross-sectional view of the cap structure of the first embodiment of the utility model.

[0024] Figure 5 This is a cross-sectional view of the overall structure of a nut sleeve according to an embodiment of the present utility model.

[0025] Figure 6 This is a three-dimensional diagram of the overall structure of the nut sleeve of the first embodiment of the utility model.

[0026] Figure 7 This is a cross-sectional view of the overall structure of the first embodiment of the present utility model.

[0027] Figure 8 This is an overall structural view of the second embodiment of the present utility model.

[0028] Fig. 9 The overall structure explosion of the second embodiment of the utility model Figure 1 .

[0029] Fig.10 The overall structure explosion of the second embodiment of the utility model Figure 2 .

[0030] Fig.11 It is a partial cross-sectional exploded view of the second embodiment of the utility model.

[0031] Fig.12 It is a sectional exploded view of the overall structure of the second embodiment of the present utility model.

[0032] Fig.13 This is a cross-sectional view of the overall structure of the second embodiment of the present utility model.

[0033] Fig.14 This is an overall structural view of the movable locking block of the second embodiment of the utility model. DETAILED DESCRIPTION

[0034] The technical solution and beneficial effects of the present utility model will be described in detail below with reference to the accompanying drawings. Example

[0035] like Figure 1 and Figure 2 As shown, a quick-release connector is installed on a screw rod at the bottom of a faucet, and includes a nut sleeve 1 and a cap 2.

[0036] Among them, Figure 5 As shown, a section of circular arc-shaped fixing thread 11 and anti-slipping convex 12 are arranged in the nut sleeve 1, wherein the annular surface angle of the fixing thread 11 is preferably 30 to 90 degrees, and in this embodiment, the annular surface angle of the fixing thread 11 is 60 degrees. The port of the nut sleeve 1 is provided with an annular boss 101 extending outward, and the annular boss 101 includes a circumferential wall 102 and an upper end face 15, wherein the circumferential wall 102 of the annular boss 101 is provided with a limiting groove 103, and the limiting groove 103 is preferably evenly distributed in three to four places, and in this embodiment, it is four places. The limiting groove 103 is composed of two longitudinal ribs 1031 arranged at intervals and a transverse anti-slipping convex 12.

[0037] The nut sleeve 1 is provided with a first inner ring surface S1 and a second inner ring surface S2. The annular surface where the fixed thread 11 is located is the first inner ring surface S1. The inner diameter of the second inner ring surface S2 is larger than that of the first inner ring surface S1. The second inner ring surface S2 is provided with longitudinal grooves 13 distributed at intervals. A guide slope 14 is provided between the longitudinal grooves 13 and the second inner ring surface S2. The second inner ring surface S2 protrudes from the inner wall surface S3 of the nut sleeve. The outer wall of the nut sleeve 1 is provided with anti-slip convex strips 16.

[0038] like Figure 3 and Figure 4 As shown, the cap 2 is movably matched with the nut sleeve 1, and an anti-drop hook 21 and a claw 22 distributed in a circular arc are provided inside the cap 2, and the anti-drop hook 21 is evenly distributed in a circular ring and is arranged on the periphery of the claw 22. A movable thread 221 is provided inside the claw 22. As a preferred embodiment, the included angle of the arc surface where the movable thread 221 is located is preferably 120 degrees to 150 degrees. In this embodiment, the included angle of the arc surface where the movable thread 221 is located is 150 degrees.

[0039] As a preferred approach, a continuous wedge surface may be provided between the upper end surface 15 of the nut sleeve 1 and the contact surface with the cover cap 2 , so that looseness between the nut sleeve 1 and the cover cap 2 can be prevented.

[0040] When assembling the nut sleeve 1 and the cap 2, align the claw 22 of the cap 2 with the longitudinal groove 13 of the nut sleeve 1 and press, and wait for the anti-detachment hook 21 to cooperate with the anti-detachment protrusion 12. The anti-detachment hook 21 can float up and down or rotate in a circle in the limiting groove 103, but the cap 2 will not fall off the nut sleeve 1, and the assembly is completed. The whole structure has only two parts, the structure is simple, and the assembly is convenient.

[0041] It should be noted that, as another preferred embodiment, the anti-slip hook 21 can also be matched with the hole 1010 provided on the annular boss 101. After the anti-slip hook 21 passes through the hole 1010, it can be movably connected to the outer edge of the hole 1010 up and down. In this way, the anti-slip hook 21 needs to have a longer extension length in the longitudinal direction.

[0042] The installation process of the quick-release connector using the above structure is as follows:

[0043] In the initial state, if Figure 7 As shown, the claws 22 of the cap 2 are located in the longitudinal groove 13 of the nut sleeve 1. At this time, the claws 22 are in a free state, and the space formed by all the claws 22 and the fixed thread 11 can provide enough margin space for the screw rod, so that the screw rod can pass through quickly. The claws 22 of the cap 2 can float up and down relative to the longitudinal groove 13 of the nut sleeve 1 without falling out of the nut sleeve 1.

[0044] During the installation of the faucet, the quick-release connector is quickly mounted on the screw rod from bottom to top, and then the nut sleeve 1 is slightly rotated counterclockwise while the cap 2 is pushed upward. The claw 22 in the cap 2 reaches the second inner ring surface S2 through the guide slope 14. When the right side of the anti-drop hook 21 presses against the longitudinal rib 1031, the cap 2 rotates into place. At this time, the top end surface 15 of the nut sleeve 1 is tightly fitted with the lower end surface 23 of the cap 2. At this time, the claw 22 is pressed inward by the second inner ring surface S2, and the movable thread 221 and the fixed thread 11 on the claw 22 are simultaneously screwed with the thread on the screw rod.

[0045] On the contrary, during the disassembly process, it is only necessary to slightly rotate the nut sleeve 1 in the reverse direction (clockwise) so that the fixing thread 11 withdraws from the thread of the screw rod, and at the same time, the claw 22 in the cap 2 reaches the longitudinal slide groove 13 through the guide bevel 14. At this time, the claw 22 is reset to a free state, releasing the movable space for withdrawing the screw rod, and then the quick-release connector is pulled downward relative to the screw rod to remove the faucet.

[0046] This structure allows the fixed thread 11 of the nut sleeve 1 and the movable thread 221 after the claw 22 is clamped to roughly form a threaded whole, which is threadedly connected with the thread on the screw rod and fully and tightly engaged. This structural method has good stability and reliability and is quick to operate. Example

[0047] like Figures 8 to 14 As shown, a quick-release connector is installed on a screw rod at the bottom of a faucet, comprising a nut sleeve 1, a cap 2, and a movable locking block 3 arranged between the nut sleeve 1 and the cap 2.

[0048] Among them, a section of circular arc-shaped fixed thread 11 is arranged in the nut sleeve 1, and the annular surface angle of the fixed thread 11 is preferably 90 degrees to 135 degrees. In this embodiment, the annular surface angle of the fixed thread 11 is 135 degrees. An anti-dropout convex 17 is arranged on both sides of the fixed thread 11, and a limiting hook 18 is arranged on the inner side of each anti-dropout convex 17, and a gap 19 is provided between the anti-dropout convex 17 and the limiting hook 18. A limiting sheet 105 is arranged in the nut sleeve 1 on the opposite side of the fixed thread 11.

[0049] The cap 2 is movably matched with the nut sleeve 1. Two anti-drop hooks 21 are provided in the cap 2, and the anti-drop hooks 21 can be matched with the anti-drop protrusion 17. The movable match here means that after the anti-drop hooks 21 and the anti-drop protrusion 17 are assembled, there is still a movable space between the cap 2 and the nut sleeve 1 for relative upward and downward movement. A side inclined block 25 is also provided between the two anti-drop hooks 21 of the cap 2.

[0050] The movable locking block 3 is provided with a movable thread 31, which can be screwed together with the fixed thread 11 and the screw rod in a clamped state. The movable locking block 3 has a side slope 32, and the side surfaces of both ends of the side slope 32 are provided with limiting ribs 33.

[0051] When assembling the above-mentioned quick-release connector, the movable locking block 3 is placed on the opposite side of the fixed thread 11 in the nut sleeve 1, between the two limit plates 105, and then the cap 2 is aligned with the nut sleeve 1, and the side inclined block 25 of the cap 2 is aligned with the side inclined surface 32 of the movable locking block 3, and at the same time, the anti-slip hook 21 is aligned with the anti-slip protrusion 17, and pressed down so that the anti-slip hook 21 cooperates with the anti-slip protrusion 17. After the assembly is completed, the anti-slip hook 21 extends into the gap 19, but at this time, a certain floating space is still left between the upper end of the nut sleeve 1 and the lower end face of the cap 2. When the assembled quick connector is used for installation and fixation of the screw, the quick connector is sleeved on the screw, and the nut sleeve 1 is pushed upward and rotated relative to the cap 2. At this time, the fixed thread 11 in the nut sleeve 1 is spirally engaged with the thread on the screw. At the same time, the side bevel block 25 of the cap 2 squeezes the side bevel surface 32 on the movable locking block 3, so that the movable locking block 3 slides toward the center and holds the screw together with the fixed thread 11 and tightens the screw, and the anti-slip hook 21 moves further downward along the gap 19.

[0052] This structure allows the fixed thread 11 of the nut sleeve 1 and the movable thread 31 of the movable locking block 3 to roughly form a threaded whole, which is threadedly connected to the thread on the screw rod and fully and tightly engaged. This structural method has good stability and reliability, and is simple in structure and easy to operate.

[0053] It should be noted that the above-mentioned quick-release connector is suitable for kitchen faucets, but is not limited to kitchen faucets, and is also suitable for other similar installation scenarios.

[0054] The above embodiments are only for illustrating the technical idea of ​​the present utility model, and cannot be used to limit the protection scope of the present utility model. Any improvement and equivalent replacement made on the basis of the technical solution in accordance with the technical idea proposed by the present utility model shall fall within the protection scope of the present utility model.

Claims

1. A quick-release connector, a screw rod installed at the bottom of a faucet, characterized in that: It includes a nut sleeve and a cap, wherein the nut sleeve is provided with a circular arc-shaped fixed thread, the cap is movably matched with the nut sleeve, and a movable thread is provided in the cap. When the nut sleeve is tightened relative to the cap, the movable thread is tightened to form a threaded whole with the fixed thread and is tightly screwed with the screw.

2. A quick connector according to claim 1, characterized in that: The nut sleeve is provided with an anti-dropout convex or a clamping hole, the cap is provided with an anti-dropout hook and clamping claws distributed in a circular arc, the clamping claws are provided with the movable thread, and the anti-dropout hook cooperates with the anti-dropout convex or clamping hole.

3. A quick connector according to claim 2, characterized in that: The nut sleeve port is provided with an annular boss extending outward, and a limiting groove is provided on the circumferential wall of the annular boss.

4. A quick connector according to claim 3, characterized in that: The limiting groove is composed of two longitudinal ribs arranged at intervals and a transverse anti-dropping convexity.

5. A quick connector as claimed in claim 2, characterized in that: The nut sleeve is provided with a first inner ring surface and a second inner ring surface, the annular surface where the fixing thread is located is the first inner ring surface, the inner diameter of the second inner ring surface is larger than the inner diameter of the first inner ring surface, the second inner ring surface is provided with longitudinal grooves distributed at intervals, a guiding inclined surface is provided between the longitudinal grooves and the second inner ring surface, and the second inner ring surface protrudes from the inner wall surface of the nut sleeve.

6. A quick connector according to claim 5, characterized in that: The included angle of the annular surface where the fixed thread is located is 30 degrees to 90 degrees, and the included angle of the arc surface where the movable thread is located is 120 degrees to 150 degrees.

7. A quick connector according to claim 1, characterized in that: The outer wall of the nut sleeve is provided with anti-slip convex strips.

8. A quick-release connector, a screw rod installed at the bottom of a faucet, characterized in that: It includes a nut sleeve and a cap, wherein the nut sleeve is provided with a circular arc-shaped fixed thread, the cap is movably matched with the nut sleeve, and a movable locking block is provided between the nut sleeve and the cap, and the movable locking block is provided with a movable thread. When the nut sleeve is tightened with the cap against the screw, the movable thread on the movable locking block and the fixed thread form a threaded whole, which is tightly screwed with the screw.

9. A quick connector according to claim 8, characterized in that: An anti-slip cam is provided on both sides of the fixed thread of the nut sleeve, and a limiting hook is provided on the inner side of each anti-slip cam. There is a gap between the anti-slip cam and the limiting hook, and a limiting plate is provided on the opposite side of the fixed thread. An anti-slip hook is provided in the cover cap, which can cooperate with the anti-slip cam.

10. A quick connector according to claim 8, characterized in that: The movable locking block has a side inclined surface, and the cover cap is provided with a side inclined block which matches the side inclined surface.

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