Small locker

Abstract

The utility model discloses a small locker, which can be adapted to wall-hung closestools with various sizes to realize installation, and is particularly suitable for installation scenes with extremely limited operation space. The small locker comprises a locking device, an adjusting sleeve, a driving ring and a rack; the locking device comprises a shell and a rotating piece assembled in the shell. A through hole is formed in the end surface of the shell; the adjusting sleeve is movably arranged on the circumferential face of the rotating piece in a sleeving mode and matched with the penetrating hole in a telescopic mode. The driving ring is matched with the through hole in a circumferential rotating manner and is in transmission connection with the adjusting sleeve, and a plurality of first convex teeth matched with the rack are arranged on the circumferential surface of the driving ring; and when the driving ring rotates in the circumferential direction, the adjusting sleeve is driven to axially move on the circumferential surface of the rotating part.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of locking device, especially point to a small locking device. BACKGROUND

[0002] The wall-hung toilet is generally installed on the wall / wall-hanging bracket through the locking device, specifically through the threaded cooperation between the rotating part with internal thread in the locking device and the bolt pre-fixed on the wall / wall-hanging bracket, and the locking can be realized after the rotating part is tightened.

[0003] In structure, the ceramic body of the wall-hung toilet is usually provided with an installation slot at the rear for assembling the locking device, and during installation, the bolt is inserted into the side wall of the installation slot and cooperates with the locking device inside, then the screwdriver, wrench and other suitable tools are inserted through the operation hole above / below the ceramic body and cooperated with the rotating part in the locking device to drive the rotating part to rotate, so as to achieve the purpose of locking and installation.

[0004] At present, the installation slots of the wall-hung toilets on the market are designed with different sizes, and the locking device with single axial length is difficult to adapt to the use of ceramic bodies with various sizes, therefore, some manufacturers design the locking device with adjustable axial length, but the structure is generally complex; and the space behind the ceramic body is usually designed to adapt to the size of the installation slot, when the axial length of the installation slot is relatively short (such as below 42mm), the space behind the ceramic body is also limited, which is difficult to assemble and very inconvenient, and it is easy to cause the installation out of position. UTILITY MODEL CONTENTS

[0005] The main purpose of the utility model is to provide a small locking device, which solves the problems in the prior art and can adapt to the installation of wall-hung toilets with various sizes, especially suitable for installation scenes with extremely limited operation space.

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

[0007] A small locking device, comprising a locking device, an adjusting sleeve, a driving ring and a rack; the locking device comprises a shell and a rotating part assembled in the shell; the end face of the shell is provided with a through hole; the adjusting sleeve is movably sleeved on the peripheral surface of the rotating part and is telescopic matched at the through hole; the driving ring is circumferentially rotatably matched at the through hole and is in transmission connection with the adjusting sleeve, and the peripheral surface of the driving ring is provided with a plurality of first teeth matched with the rack; the driving ring is driven to move axially on the peripheral surface of the rotating part when it rotates circumferentially.

[0008] The locking device further comprises a bevel gear rotatably matched on the peripheral surface of the shell and engaged with the peripheral surface of the rotating part.

[0009] The outer thread and the inner thread are matched between the circumferential surface of the adjusting sleeve and the inner wall of the driving ring.

[0010] The inner side of the perforation is provided with a limiting ring, and the end surface of the driving ring facing the limiting ring is provided with a plurality of buckles hooked on the limiting ring, used for limiting the axial movement of the driving ring at the perforation.

[0011] The outer side end of the adjusting sleeve is provided with an end wall, and the end wall is attached with a gasket.

[0012] Preferably, the gasket is made of EVA material.

[0013] Preferably, the gasket is fixed on the end wall by means of glue bonding.

[0014] The first protruding teeth are equiangularly spaced on the circumferential surface of the driving ring.

[0015] The rack is provided with a plurality of second protruding teeth matched with the first protruding teeth.

[0016] The two ends of the rack are provided with pull rings.

[0017] After the above technical scheme is adopted, the wall-hung closestool installation device has the following technical effects:

[0018] (1) The wall-hung closestool installation device can drive the adjusting sleeve to axially move on the circumferential surface of the rotating member through the rotation of the driving ring, so that the adjusting sleeve is telescopically matched at the perforation, that is, the extension length of the adjusting sleeve relative to the locking device can be controlled, so as to realize the installation of the wall-hung closestool of various sizes.

[0019] (2) The wall-hung closestool installation device can realize the circumferential rotation of the driving ring driven by the rack through the meshing between the rack and the first protruding teeth of the driving ring, and the rack can be conveniently extended in the direction required by the user, so that the user's force point is "shifted" to the space outside the rear of the ceramic body, which is convenient for the user to operate, especially suitable for the installation long scene with limited operation space, and realizes the rapid installation. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a perspective view of a specific embodiment of the wall-hung closestool installation device;

[0021] Figure 2 is an exploded view of a specific embodiment of the wall-hung closestool installation device;

[0022] Figure 3 is a perspective view of a specific embodiment of the wall-hung closestool installation device;

[0023] Figure 4 is a sectional view of a specific embodiment of the wall-hung closestool installation device;

[0024] Figure 5 The rack diagram of the embodiment of the utility model;

[0025] Explanation of reference numerals:

[0026] 1 - locking device; 11 - shell; 111 - perforation; 112 - limiting ring; 12 - rotating member; 13 - bevel gear;

[0027] 2 - adjusting sleeve; 21 - external thread; 22 - end wall;

[0028] 3 - driving ring; 31 - first protruding tooth; 32 - internal thread; 33 - buckle;

[0029] 4 - rack; 41 - second protruding tooth; 42 - pull ring;

[0030] 5 - gasket. DETAILED DESCRIPTION

[0031] In order to further explain the technical scheme of the utility model, the utility model will be described in detail through specific embodiments.

[0032] Reference Figures 1-5 As shown in the figure, the utility model discloses a small locking device, including locking device 1, adjusting sleeve 2, driving ring 3 and rack 4;

[0033] Locking device 1 includes shell 11 and rotating member 12 assembled in shell 11, and rotating member 12 has internal thread that can be matched with bolt on wall surface or wall hanging support; the end face of shell 11 is provided with perforation 111;

[0034] Adjusting sleeve 2 movably sets on the circumferential surface of rotating member 12 and is telescopic cooperation at perforation 111;

[0035] Driving ring 3 is circumferentially rotatable cooperation at perforation 111 and is transmissionally connected with adjusting sleeve 2, and the circumferential surface of driving ring 3 is provided with a plurality of first protruding teeth 31 matched with rack 4;

[0036] Driving ring 3 drives adjusting sleeve 2 to move axially on the circumferential surface of rotating member 12 when rotating circumferentially.

[0037] By the above scheme, the utility model discloses can drive the adjustment sleeve 2 in the axial movement of the circumferential surface of rotating piece 12 through the rotation of driving ring 3, thereby make the adjustment sleeve 2 telescopic cooperation at the perforation 111, namely can control the extension length of adjustment sleeve 2 relative to locking device 1, to realize the installation of the wall-hung closestool of adaptation of multiple sizes;The utility model discloses can realize the circumferential rotation of driving ring 3 by the meshing between rack and the first protruding tooth 31 of driving ring 3, and rack can be conveniently extended to the direction of user's demand, thereby making the force point of user " shift " to the space outside the back of ceramic body, convenient for user operation, especially suitable for the installation long scene of limited operation space, realize quick installation.

[0038] The following shows the specific embodiments of the utility model.

[0039] The above-mentioned locking device 1 further includes a bevel gear 13 that is rotationally fitted on the circumferential surface of the shell 11 and engaged with the circumferential surface of the rotating piece 12. A user can rotate the bevel gear 13 by using a screwdriver, wrench or other tools to drive the rotating piece 12 to rotate, thereby achieving the locking operation of the rotating piece 12 and the bolt.

[0040] The circumferential surface of the above-mentioned adjustment sleeve 2 and the inner wall of the driving ring 3 are provided with matching external threads 21 and internal threads 32 to achieve the transmission connection of the driving ring 3 and the adjustment sleeve 2.

[0041] The inner side of the above-mentioned perforation 111 is provided with a limiting ring 112, and the end surface of the driving ring 3 facing the limiting ring 112 is provided with a plurality of buckles 33 hooked on the limiting ring 112, which is used to limit the axial movement of the driving ring 3 at the perforation 111 and does not affect the circumferential rotation of the driving ring 3.

[0042] The outer end of the above-mentioned adjustment sleeve 2 is provided with an end wall 22, and the end wall 22 is attached with a gasket 5, which is used to achieve the buffering and friction increasing effect when being attached with the ceramic body. In the present embodiment, the above-mentioned gasket 5 is made of EVA (ethylene-vinyl acetate copolymer) material and is fixed on the end wall 22 by means of glue bonding.

[0043] The above-mentioned first protruding teeth 31 are equally angularly spaced on the circumferential surface of the driving ring 3 to achieve uniform distribution.

[0044] The above-mentioned rack 4 is provided with a plurality of second protruding teeth 41 matched with the first protruding teeth 31.

[0045] Both ends of the above-mentioned rack 4 are provided with pull rings 42 to facilitate the user to pull the end of the rack 4.

[0046] The above-mentioned embodiments and drawings are not limited to the product form and style of the utility model, and any ordinary skilled person in the art can make appropriate changes or modifications, which shall be regarded as not departing from the patent scope of the utility model.

Claims

1. A compact locking device, characterized in that: it comprises a locking device, an adjusting sleeve, a driving ring and a rack; the locking device comprises a housing and a rotating member assembled in the housing; the end face of the housing is provided with a through hole; the adjusting sleeve is movably sleeved on the peripheral surface of the rotating member and is telescopically fitted in the through hole; the driving ring is circumferentially rotatably fitted in the through hole and is in transmission connection with the adjusting sleeve, and the peripheral surface of the driving ring is provided with a plurality of first protrusions matched with the rack; the driving ring drives the adjusting sleeve to axially move on the peripheral surface of the rotating member when the driving ring rotates circumferentially.

2. The compact locking device according to claim 1, characterized in that: the locking device further comprises a bevel gear rotatably fitted on the peripheral surface of the housing and engaged with the peripheral surface of the rotating member.

3. The compact locking device according to claim 1, characterized in that: the peripheral surface of the adjusting sleeve and the inner wall of the driving ring are provided with matched external threads and internal threads.

4. The compact locking device according to claim 1, characterized in that: the inner side of the through hole is provided with a limiting ring, and the end face of the driving ring facing the limiting ring is provided with a plurality of buckles hooked on the limiting ring for limiting the axial movement of the driving ring in the through hole.

5. The compact locking device according to claim 1, characterized in that: the outer end of the adjusting sleeve is provided with an end wall, and the end wall is attached with a gasket.

6. The compact locking device according to claim 5, characterized in that: the gasket is made of EVA material.

7. The compact locking device according to claim 5, characterized in that: the gasket is fixed on the end wall by means of glue bonding.

8. The compact locking device according to claim 1, characterized in that: the first protrusions are equally angularly spaced on the peripheral surface of the driving ring.

9. The compact locking device according to claim 1, characterized in that: the rack is provided with a plurality of second protrusions matched with the first protrusions.

10. The compact locking device according to claim 1, characterized in that: the rack is provided with a pull ring at both ends. ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

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