Door lock handle reversing mechanism

By setting a rotating component and a limiting groove structure between the door lock handle and the handle head, the problem of cumbersome door lock handle reversing operation is solved, realizing convenient and safe handle reversing, and supporting the installation of electronic locks.

CN223661545UActive Publication Date: 2025-12-12WENZHOU SHENGAN LOCK CO LTD
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Patent Information

Application Number
CN202423133662.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-18
Publication Date
2025-12-12
Estimated Expiration
2034-12-18

AI Technical Summary

Technical Problem

The existing door lock handle requires removing the main panel and loosening screws to change direction, which is cumbersome and inconvenient to use.

Method used

A door lock handle reversing mechanism was designed. By setting a rotating component, a limiting groove, and a fastening block structure between the handle and the handle head, a convenient connection and limiting of the handle and the rotating component can be achieved, allowing the handle to be reversed without disassembling the panel.

Benefits of technology

It improves the convenience and reliability of handle reversing, avoids panel disassembly, enhances anti-theft and security, and supports the installation of electronic locks.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a door lock handle reversing mechanism which is installed on a panel body and comprises a handle and a handle head connected with the handle, the handle head comprises a base located in the panel body and a connecting column protruding out of the panel body and connected with the handle, and the door lock handle reversing mechanism further comprises a rotating piece. The rotating piece comprises a first buckling block and a second buckling block correspondingly matched with the first buckling block, a limiting groove formed in the direction opposite to the circumferential direction of the connecting column is formed in the outer circumferential wall of the connecting column, and a first containing groove and a second containing groove are formed in the first buckling block and the second buckling block correspondingly; the first containing groove and the second containing groove are correspondingly matched to form a containing hole connected to the connecting column in a sleeved mode, a first limiting strip and a second limiting strip are arranged on the inner wall of the first containing groove and the inner wall of the second containing groove respectively, and the first limiting strip and the second limiting strip are correspondingly matched to form a limiting ring matched with the limiting groove. The handle is convenient to reverse so as to meet different installation requirements of users.
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Description

Technical Field

[0001] This utility model relates to the field of lock technology, specifically to a door lock handle reversing mechanism. Background Technology

[0002] A door lock is a locking device used to lock a door to prevent others from opening it. When an electric door lock is installed on a door, it can drive a motor to move the hook or bolt according to the signal received by the control circuit, so as to open or lock the door.

[0003] The existing door lock handle requires the panel body to be removed before it can be switched, and then the screws connecting the handle to the handle head must be loosened. The handle must be removed from the handle head, switched, and then reinstalled. This makes the handle switching operation cumbersome and inconvenient for users. Utility Model Content

[0004] Based on the above problems, the purpose of this utility model is to provide a reversing mechanism that is easy to install with a handle for reversing.

[0005] To address the above problems, the following technical solution is provided: A door lock handle reversing mechanism, installed on a panel body, includes a handle and a handle head connected to the handle. The handle head includes a base located inside the panel body and a connecting post protruding from the panel body and connected to the handle. It also includes a rotating component, which includes a first engaging block and a second engaging block corresponding to and adapted to the first engaging block. The handle has a mounting hole that fits onto the outside of the rotating component. The handle has a connecting hole in the axial direction relative to the mounting hole. The outer circumferential wall of the connecting post has a limiting groove in the circumferential direction. The first engaging block and the second engaging block respectively have a first receiving groove and a second receiving groove. The first receiving groove and the second receiving groove... The second receiving groove corresponds to and fits to form a receiving hole that fits onto the connecting column. The inner walls of the first receiving groove and the second receiving groove are respectively provided with a first limiting strip and a second limiting strip. The first limiting strip and the second limiting strip are correspondingly fitted to form a limiting ring that fits the limiting groove. The first fastening block and the second fastening block are both provided with arc-shaped openings. The two arc-shaped openings are correspondingly fitted to form a through hole that communicates with the connecting hole. The connecting column is provided with a screw hole in the radial direction. There are two screw holes symmetrically arranged relative to the central axis of the connecting column. The first fastening block and the second fastening block are both provided with a first positioning hole in the radial direction that corresponds to the screw hole. The handle is provided with a second positioning hole at a position corresponding to the first positioning hole.

[0006] In the above structure, the screw passes through the first positioning hole and the second positioning hole and then engages with the screw hole to connect the handle, the rotating part, and the handle head, enabling the handle to drive the handle head in conjunction to unlock the door lock. By providing a through hole and a connecting hole, a stud can be screwed into the connecting hole from inside the panel body, thus connecting the handle and the rotating part and improving the handle's anti-theft performance, preventing the handle from being removed from the outside. The limiting ring and limiting groove cooperate to limit the axial direction of the rotating part relative to the handle head, thereby preventing the rotating part from detaching from the connecting post and improving the reliability, security, and ease of handle reversal of this utility model. Depending on the usage, when it is necessary to change the handle's orientation, loosen the screw in the second positioning hole, rotate the handle to the other orientation, and the original first and second positioning holes align with the screw hole at the other end. Then, tighten the screw to fix it, thus completing the handle reversal. This avoids the troublesome operation of removing the panel body or handle for reversal, improving the ease of handle reversal of this utility model. By configuring the rotating component as a first and a second fastening block, the production of the rotating component is facilitated, and the rotating component can be easily snapped onto the connecting column, thereby improving the assembly convenience of this utility model. The first and second receiving grooves facilitate the rotational engagement between the rotating component and the connecting column, thus improving the reversing convenience of this utility model.

[0007] The present invention is further configured such that the first fastening block and the second fastening block are provided with a square-shaped snap-fit ​​groove on the end face facing the handle, and the inner wall of the mounting hole is provided with a snap-fit ​​block that matches the snap-fit ​​groove.

[0008] In the above structure, the combination of the locking block and the locking groove facilitates the rotation of the rotating component relative to the axial direction of the connecting column when the handle is reversed, and improves the connection strength between the handle and the rotating component, thereby improving the reliability of this utility model.

[0009] The present invention is further configured such that a travel groove with an arc-shaped cross section is provided on the end face of the connecting column facing the handle, the included angle between the two ends of the travel groove is 180 degrees, and a limiting block is provided on the inner wall of the second receiving groove that abuts against one end of the travel groove.

[0010] In the above structure, the limiting block and the stroke groove cooperate to facilitate the positioning of the handle when changing direction, thereby facilitating the accurate reversal of the handle and the correspondence of the first positioning hole, the second positioning hole and the screw hole, further improving the convenience of the handle reversal of this utility model.

[0011] The present invention is further configured such that the first fastening block protrudes toward the second fastening block with a rib, and the second fastening block has a groove adapted to the rib.

[0012] By adopting the above structure, the tightness of the connection between the first and second fastening blocks can be improved, thereby improving the structural strength of the rotating part and the reliability of this utility model.

[0013] The present invention is further provided that a sealing groove for fitting a sealing ring is provided on the connecting column below the limiting groove.

[0014] The above structure improves the sealing between the handle head and the handle mounting port, thus enhancing the reliability of this invention.

[0015] The present invention is further configured such that a receiving cavity is provided at one end of the handle opposite to the mounting hole, a wire passage opening communicating with the mounting hole is provided on the bottom wall of the receiving cavity, and a wiring port communicating with the mounting hole and the receiving hole is provided on the rotating component.

[0016] In the above structure, the inclusion cavity facilitates the placement of the fingerprint recognition device inside the handle, and the wire passage and wiring port facilitate the wiring of the fingerprint recognition device, thus making this invention suitable for electronic locks.

[0017] The present invention is further provided that the end face of the handle is provided with an end cap that is adapted to it.

[0018] The above structure facilitates the installation of internal components of the handle, thereby improving the handle's aesthetics. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of the present invention. Figure 1 .

[0020] Figure 2 This is a schematic diagram of the structure of the present invention. Figure 2 .

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

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

[0023] Figure 5 This is a schematic diagram of the structure of the rotating component and the handle head in this utility model.

[0024] Figure 6 This is a schematic diagram of the structure of the first fastening block, the second fastening block, and the handle head in this utility model.

[0025] Figure 7 This is a schematic diagram of the handle structure in this utility model.

[0026] The labels in the diagram have the following meanings: 1-Panel body; 2-Handle; 3-Handle head; 31-Base; 32-Connecting column; 4-Rotating component; 41-First fastening block; 42-Second fastening block; 21-Mounting hole; 22-Connecting hole; 321-Limiting groove; 411-First receiving groove; 421-Second receiving groove; 412-First limiting strip; 422-Second limiting strip; 43-Arc-shaped opening; 322-Screw hole; 44-First positioning hole; 23-Second positioning hole; 45-Snap-fit ​​groove; 24-Snap-fit ​​block; 323-Stroke groove; 413-Limiting block; 414-Ribbon; 423-Ribbon groove; 324-Sealing groove; 33-Receiving cavity; 34-Wire passage; 46-Connecting port; 5-End cap. Detailed Implementation

[0027] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate this utility model, but are not intended to limit its scope.

[0028] It should be noted that all directional indicators (such as up, down, left, right, front, back, back, etc.) in the embodiments of this utility model are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0029] like Figures 1 to 7The illustrated door lock handle 2 reversing mechanism is mounted on a panel body 1 and includes a handle 2 and a handle head 3 connected to the handle 2. The handle head 3 includes a base 31 located inside the panel body 1 and a connecting post 32 protruding from the panel body 1 and connected to the handle 2. It also includes a rotating component 4, which includes a first fastening block 41 and a second fastening block 42 corresponding to and adapted to the first fastening block 41. The handle 2 has a mounting hole 21 that fits onto the outside of the rotating component 4. The handle 2 has a connecting hole 22 in the axial direction relative to the mounting hole 21. The outer circumferential wall of the connecting post 32 has a limiting groove 321 that is opened in the circumferential direction. The first fastening block 41 and the second fastening block 42 have a first receiving groove 411 and a second receiving groove 421 respectively, and the first receiving groove 411 and the second receiving groove 421 correspond to and cooperate with each other. A receiving hole is formed on the connecting post 32. The inner walls of the first receiving groove 411 and the second receiving groove 421 are respectively provided with a first limiting strip 412 and a second limiting strip 422. The first limiting strip 412 and the second limiting strip 422 are correspondingly matched to form a limiting ring adapted to the limiting groove 321. The first fastening block 41 and the second fastening block 42 are each provided with an arc-shaped opening 43. The two arc-shaped openings 43 are correspondingly matched to form a through hole communicating with the connecting hole 22. The connecting post 32 is provided with a screw hole 322 in the radial direction. There are two screw holes 322 symmetrically arranged with respect to the central axis of the connecting post 32. The first fastening block 41 and the second fastening block 42 are each provided with a first positioning hole 44 corresponding to the screw hole 322 in the radial direction. The handle 2 is provided with a second positioning hole 23 at the position corresponding to the first positioning hole 44.

[0030] In the above structure, the screw passes through the first positioning hole 44 and the second positioning hole 23 and then engages with the screw hole 322, connecting the handle 2, the rotating part 4, and the handle head 3. This allows the handle 2 to drive the handle head 3 in a coordinated manner, unlocking the door lock. By providing a through hole and a connecting hole 22, a stud can be screwed into the connecting hole 22 from inside the panel body 1, thus connecting the handle 2 and the rotating part 4 and improving the anti-theft performance of the handle 2, preventing it from being removed from the outside. The limiting ring and the limiting groove 321 cooperate to limit the axial direction of the rotating part 4 relative to the handle head 3, preventing the rotating part 4 from detaching from the connecting post 32, improving the reliability, security, and ease of reversing the handle 2. When it is necessary to change the orientation of the handle 2 according to the usage, loosen the screw on the second positioning hole 23, rotate the handle 2 to the other orientation, and the original first positioning hole 44 and second positioning hole 23 will correspond to the screw hole 322 on the other end. Then tighten the screw to fix it, thus completing the reversal of the handle 2. This avoids the troublesome operation of having to remove the panel body 1 or the handle 2 to reverse the orientation, improving the convenience of reversing the handle 2 of this utility model. By setting the rotating part 4 as the first fastening block 41 and the second fastening block 42, the production of the rotating part 4 can be facilitated, and the rotating part 4 can be easily snapped and installed on the connecting column 32, thereby improving the assembly convenience of this utility model. By opening the first receiving groove 411 and the second receiving groove 421, the rotating part 4 and the connecting column 32 can be easily rotated and engaged, thereby improving the reversal convenience of this utility model.

[0031] In this embodiment, both the first fastening block 41 and the second fastening block 42 have square-shaped snap-fit ​​grooves 45 on their end faces facing the handle 2, and the inner wall of the mounting hole 21 is provided with a snap-fit ​​block 24 that matches the snap-fit ​​groove 45.

[0032] In the above structure, the locking block 24 cooperates with the locking groove 45, which facilitates the rotation of the rotating part 4 relative to the axial direction of the connecting column 32 when the handle 2 changes direction, and can improve the connection strength between the handle 2 and the rotating part 4, thereby improving the reliability of this utility model.

[0033] In this embodiment, the connecting column 32 has an arc-shaped travel groove 323 on its end face facing the handle 2. The included angle between the two ends of the travel groove 323 is 180 degrees. The inner wall of the second receiving groove 421 is provided with a limiting block 413 that abuts against one end of the travel groove 323.

[0034] In the above structure, the limiting block 413 and the stroke groove 323 cooperate to facilitate the positioning of the handle 2 when changing direction, thereby facilitating the accurate reversal of the handle 2 and the correspondence of the first positioning hole 44, the second positioning hole 23 and the screw hole 322, further improving the convenience of reversing the handle 2 of this utility model.

[0035] In this embodiment, the first fastening block 41 is provided with a rib 414 protruding toward the second fastening block 42, and the second fastening block 42 is provided with a groove 423 that matches the rib 414.

[0036] By adopting the above structure, the tightness of the connection between the first fastening block 41 and the second fastening block 42 can be improved, thereby improving the structural strength of the rotating part 4 and the reliability of this utility model.

[0037] In this embodiment, a sealing groove 324 for fitting a sealing ring is provided on the connecting column 32 below the limiting groove 321.

[0038] The above structure improves the sealing between the handle head 3 and the mounting port on the handle 2, thus enhancing the reliability of this invention.

[0039] In this embodiment, a receiving cavity 33 is provided at one end of the handle 2 opposite to the mounting hole 21, and a wire passage 34 communicating with the mounting hole 21 is provided on the bottom wall of the receiving cavity 33. A wiring port 46 communicating with the mounting hole 21 and the receiving hole is provided on the rotating member 4.

[0040] In the above structure, the accommodating cavity 33 facilitates the manufacturer to place the fingerprint recognition device inside the handle 2, and the wire passage 34 and the wiring port 46 facilitate the wiring of the fingerprint recognition device, thereby making this utility model applicable to electronic locks.

[0041] In this embodiment, the end cap 5 that is adapted to the handle 2 is provided on the end face of the handle 2.

[0042] The above structure facilitates the installation of internal components of handle 2, which improves the aesthetics of handle 2.

[0043] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model. These improvements and modifications assumed above should also be considered within the protection scope of the present utility model.

Claims

1. A door lock handle reversing mechanism, installed on a panel body, comprising a handle and a handle head connected to the handle, wherein the handle head includes a base located within the panel body and a connecting post protruding from the panel body and connected to the handle, characterized in that: It also includes a rotating component, which comprises a first engaging block and a second engaging block corresponding to and adapted to the first engaging block. The handle has a mounting hole that fits onto the outside of the rotating component. The handle has a connecting hole in the axial direction relative to the mounting hole. The outer circumferential wall of the connecting post has a limiting groove in the circumferential direction. The first and second engaging blocks respectively have a first receiving groove and a second receiving groove, which correspond to and cooperate to form a receiving hole fitted onto the connecting post. The inner walls of the first and second receiving grooves are respectively provided with… There are a first limiting strip and a second limiting strip. The first limiting strip and the second limiting strip cooperate to form a limiting ring that matches the limiting groove. Both the first and second fastening blocks have arc-shaped openings. The two arc-shaped openings cooperate to form a through hole that communicates with the connecting hole. The connecting column has screw holes in the radial direction. There are two screw holes symmetrically arranged relative to the central axis of the connecting column. Both the first and second fastening blocks have first positioning holes in the radial direction that correspond to the screw holes. The handle has a second positioning hole at the position corresponding to the first positioning hole.

2. The door lock handle reversing mechanism according to claim 1, characterized in that: Both the first and second fastening blocks have square-sectioned snap-fit ​​grooves on their end faces facing the handle, and the inner wall of the mounting hole has a snap-fit ​​block that matches the snap-fit ​​groove.

3. The door lock handle reversing mechanism according to claim 1, characterized in that: The connecting column has an arc-shaped travel groove on its end face facing the handle. The included angle between the two ends of the travel groove is 180 degrees. The inner wall of the second receiving groove is provided with a limiting block that abuts against one end of the travel groove.

4. The door lock handle reversing mechanism according to claim 1, characterized in that: The first fastening block has a rib protruding towards the second fastening block, and the second fastening block has a groove that matches the rib.

5. A door lock handle reversing mechanism according to claim 1, characterized in that: The connecting column has a sealing groove below the limiting groove for fitting a sealing ring.

6. A door lock handle reversing mechanism according to claim 1, characterized in that: The handle has a receiving cavity at one end opposite the mounting hole, and a wire passage opening connecting the mounting hole is provided on the bottom wall of the receiving cavity. The rotating part has a wiring port connecting the mounting hole and the receiving hole.

7. A door lock handle reversing mechanism according to claim 6, characterized in that: The handle has an end cap that fits it.