Door lock clutch

By designing the connecting post and paddle assembly in the door lock clutch, the door handle switching operation is simplified, solving the problems of complex structure and unstable transmission in existing door locks, and realizing simple and quick assembly and use.

CN223562624UActive Publication Date: 2025-11-18YONGKANG YINFA IND & TRADE CO LTD
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Patent Information

Application Number
CN202422901562.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-27
Publication Date
2025-11-18
Estimated Expiration
2034-11-27

AI Technical Summary

Technical Problem

Existing door locks have complex structures, unstable transmissions, and complicated left-right direction switching operations for the door handles, which prolongs assembly time.

Method used

A door lock clutch was designed, including components such as a connecting post, a sleeve post, a torsion spring, and a paddle. The rotation of the paddle drives the torsion spring and the fixing plate to achieve simple door handle switching. The structure is simplified and the left and right directions can be quickly switched by fixing with bolts.

Benefits of technology

It enables convenient left and right switching of the door handle, has a simple structure, and is quick to assemble, thus improving the installation efficiency of the door lock.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a door lock clutch. The door lock clutch comprises a connecting column, one end of the connecting column is a square inserting column, the other end of the connecting column is a sleeving column, a clamping opening is formed outside the sleeving column, the side, close to the square inserting column, of the sleeving column extends outwards to form a stopping ring, the diameter of the stopping ring is larger than that of the column, a torsional spring and a shifting piece are arranged outside the clamping opening, and the shifting piece is connected with the clamping opening. One side of the shifting piece extends towards the torsional spring to form a shifting head, the other side of the shifting piece is provided with a bolt hole and a clamping groove, a center hole is formed in the shifting piece, a clamping block is fixed in the center hole, the clamping block of the shifting piece is clamped with the clamping opening in a matched mode, and the sleeving column drives the shifting piece to rotate and applies driving force to the shifting piece so as to drive the torsional spring to rotate. The door handle is convenient to switch left and right, simple in structure and simple and fast to assemble.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a door lock clutch. BACKGROUND

[0002] With the continuous improvement of the safety demand of the people, the safety performance requirement of the people to the door lock is also continuously improved, at present, various locks are numerous on the market, the structure is complex, transmission is unstable, for seeking convenience, most of the clutches are placed in the lock body, and the clutches are prone to problems, when installing, the operation of switching the handle left and right direction is also relatively complex, and the assembly time is prolonged. SUMMARY

[0003] In view of the defects of the existing door lock, the technical problem to be solved by the utility model is to provide a door lock clutch of a door lock clutch which is simple in structure and simple and quick in switching the left and right directions of the door handle.

[0004] In order to realize the above-mentioned purpose, according to one aspect of the utility model, the utility model is realized through the following technical measures: a door lock clutch, comprising: a connecting column, one end of the connecting column is a square plug-in column, the other end is a sleeve joint column, a bayonet is opened outside the sleeve joint column, a resisting ring is formed outside the sleeve joint column close to the square plug-in column, the diameter of the resisting ring is greater than the diameter of the cylinder, a torsional spring and a push piece are arranged outside the bayonet, the push piece extends to form a push head on one side of the torsional spring, a bolt hole and a clamping groove are opened on the other side of the push piece, a central hole is opened in the push piece, a clamping block is fixed in the central hole, the clamping block of the push piece is matched and clamped with the bayonet, the sleeve joint column drives the push piece to rotate, and driving force is applied to the push piece, so that the torsional spring is rotated.

[0005] Further, a bolt hole is opened in the square plug-in column of the connecting column, a square hole is opened in the sleeve joint column, the bolt hole of the square plug-in column is communicated with the square hole of the sleeve joint column, a gasket is further sleeved outside the sleeve joint column, a fixed plate and a torsional spring sleeve joint column, the gasket is abutted with the resisting ring of the sleeve joint column, one side of the fixed plate is abutted with the gasket, and the other side is abutted with the torsional spring sleeve joint column, the torsional spring is sleeved outside the torsional spring sleeve joint column, the push head of the push piece is abutted with the edge of the torsional spring, a clamping spring groove is opened at the outer end of the sleeve joint column, and a clamping spring is clamped in the clamping spring groove, the clamping spring limits the radial displacement of the push piece, the torsional spring sleeve joint column and the fixed plate.

[0006] Further, a circular hole is opened in the center of the fixed plate, the sleeve joint column is rotated in the circular hole of the fixed plate, bolt holes are arranged around the fixed plate, and the fixed plate is fixed with the door panel through bolts, torsional spring limiting strips are arranged on the two sides of the fixed plate and are bent to one side of the lock body, the two ends of the torsional spring are respectively abutted with the torsional spring limiting strips, the torsional spring limiting strips are in the shape of 7, bolt holes are opened at the bending positions of the torsional spring limiting strips to facilitate the adaptation of different door locks, and a limiting block is fixed on the fixed plate and is used for limiting the rotation of the clamping spring.

[0007] Further, the outer edge of the dial piece is provided with two oppositely arranged clamping grooves for connecting the door lock linkage structure.

[0008] Compared with the prior art, the door handle is convenient to switch left and right, the structure is simple, and the assembly is simple and fast. BRIEF DESCRIPTION OF DRAWINGS

[0009] The accompanying drawings, which form a part of this application, are included to provide a further understanding of the application and are incorporated in and constitute a part of this application. The embodiments of the present application illustrated in the drawings are presented by way of example or for purpose of illustration and not limitation.

[0010] Figure 1 A door lock clutch structure schematic view is described in the present application.

[0011] Figure 2 A door lock clutch explosion schematic view is described in the present application.

[0012] The accompanying drawings, which form a part of this application, are included to provide a further understanding of the application and are incorporated in and constitute a part of this application. The embodiments of the present application illustrated in the drawings are presented by way of example or for purpose of illustration and not limitation. DETAILED DESCRIPTION

[0013] Hereinafter, the present application will be described in detail with reference to the accompanying drawings. It should be noted that the embodiments and features of the embodiments in the present application can be combined with each other without conflict.

[0014] In the description of the present application, it should be understood that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "bottom", "top", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0015] Please refer to Figure 1 , Figure 2The door lock clutch comprises a connecting column 1, one end of which is a square insertion column 7 and the other end of which is a sleeve column 6, the sleeve column 6 is provided with a bayonet 9 outside, the sleeve column 6 extends outward near one side of the square insertion column 7 to form a resisting ring 8, the diameter of the resisting ring 8 is greater than that of the cylinder, the bayonet 9 is provided with a torsion spring 16 and a push piece 3 outside, one side of the push piece 3 extends to form a push head 4 towards the torsion spring 16, the other side is provided with a bolt hole and a clamping groove 17, the push piece 3 is provided with a central hole 18 inside, the central hole 18 is fixed with a clamping block 19 inside, the clamping block 19 of the push piece 3 is matched and clamped with the bayonet 9, the sleeve column 6 drives the push piece 3 to rotate, so as to apply a driving force to the push piece 3, thereby driving the torsion spring 16 to rotate.

[0016] The square insertion column 7 of the connecting column 1 is provided with a bolt hole inside, the sleeve column 6 is provided with a square hole 11 inside, the bolt hole of the square insertion column 7 is in communication with the square hole 11 of the sleeve column 6, the sleeve column 6 is further sleeved with a gasket 12, a fixed plate 2 and a torsion spring sleeve column 15 outside, the gasket 12 is abutted against the resisting ring 8 of the sleeve column 6, one side of the fixed plate 2 is abutted against the gasket 12, and the other side is abutted against the torsion spring sleeve column 15, the torsion spring 16 is sleeved outside the torsion spring sleeve column 15, the push head 4 of the push piece 3 is abutted against the edge of the torsion spring 16, the sleeve column 6 is provided with a clamping spring groove 10 outside the end, the clamping spring groove 10 is matched with a clamping spring 20 inside, and the clamping spring 20 limits the radial displacement of the push piece 3, the torsion spring sleeve column 15, the fixed plate 2 and the gasket 12.

[0017] The fixed plate 2 is provided with a circular hole 14 in the center, the sleeve column 6 is rotated in the circular hole 14 of the fixed plate 2, the fixed plate 2 is provided with bolt holes around, and is fixed to a door panel through bolts, the fixed plate 2 is provided with torsion spring 16 limiting strips 5 which are bent to one side of the lock body, the two ends of the torsion spring 16 are respectively abutted against the torsion spring 16 limiting strips 5, the torsion spring 16 limiting strips 5 are in the shape of 7, the bent part is provided with a bolt hole to facilitate the adaptation to different door locks, the fixed plate 2 is fixed with a limiting block 13 for limiting the rotation of the clamping spring 20.

[0018] The push piece 3 is provided with two clamping grooves 17 which are oppositely arranged outside the edge, for connecting a door lock linkage structure.

[0019] The door lock clutch needs to be used, the screw is screwed into the bolt hole of the poking piece 3, the square plug-in column 7 connected with the door handle is connected with the column 1, and is fixed through the bolt hole of the square plug-in column 7, after the door handle is rotated, the door handle drives the column 1 to rotate, the clamping hole 9 of the cylindrical sleeve joint column 6 of the column 1 drives the poking piece 3 to rotate, the poking head 4 of the poking piece 3 can drive the torsional spring 16 to rotate, until the limiting block 13 of the fixed plate 2 is reached, the clamping groove 17 of the poking piece 3 drives the door lock linkage structure to perform an unlocking action, if the handle needs to be converted in direction, the screw on the poking piece 3 is unscrewed, the handle is rotated by 180 degrees, the handle drives the poking piece 3 to rotate by 180 degrees, the position of the poking head 4 and the bolt hole is interchanged, and then the screw is screwed in.

[0020] The above only describes preferred embodiments of the utility model and is not used to limit the utility model. For those skilled in the art, the utility model can have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A door lock clutch, comprising: A connecting post, characterized in that one end of the connecting post is a square plug-in post, and the other end is a sleeve post. The sleeve post has a retaining opening on its outer side. The side of the sleeve post near the square plug-in post extends outward to form a retaining ring. The diameter of the retaining ring is larger than the diameter of the cylinder. A torsion spring and a lever are provided outside the retaining opening. One side of the lever extends toward the torsion spring to form a lever head, and the other side has a bolt hole and a slot. A central hole is formed inside the lever, and a locking block is fixed inside the central hole. The locking block of the lever engages with the retaining opening. The sleeve post drives the lever to rotate, applying a driving force to the lever, thereby driving the torsion spring to rotate.

2. A door lock clutch according to claim 1, characterized in that: The square insertion post of the connecting post has a bolt hole, and the sleeve post has a square hole. The bolt hole of the square insertion post and the square hole of the sleeve post are connected. A washer, a fixing plate and a torsion spring sleeve post are also sleeved on the outside of the sleeve post. The washer abuts against the retaining ring of the sleeve post. One side of the fixing plate abuts against the washer and the other side abuts against the torsion spring sleeve post. The torsion spring is sleeved on the outside of the torsion spring sleeve post. The dial head abuts against the edge of the torsion spring. A retaining spring groove is opened at the outer end of the sleeve post. A retaining spring is engaged in the retaining spring groove. The retaining spring limits the radial displacement of the dial, the torsion spring sleeve post, the fixing plate and the washer.

3. A door lock clutch according to claim 2, characterized in that: The fixing plate has a circular hole in the center, and the sleeve post rotates within the circular hole of the fixing plate. The fixing plate has bolt holes around its perimeter and is fixed to the door panel with bolts. The fixing plate has torsion spring limiting strips bent toward the lock body on both sides. The two ends of the torsion spring abut against the torsion spring limiting strips. The torsion spring limiting strips are in the shape of a "7". Limiting blocks are fixed on the fixing plate for limiting the rotation of the retaining spring.

4. A door lock clutch according to claim 1, characterized in that: The outer edge of the lever has two oppositely arranged slots for connecting the door lock linkage structure.