Handle door lock with left and right adjustable spring

By designing a door lock with interchangeable left and right handles and utilizing the spring fixing component and the inner and outer locking block structure of the spring, the problem of existing locks being unable to flexibly adapt to left and right door opening is solved, thereby improving the stability and convenience of the lock.

CN224032375UActive Publication Date: 2026-03-24王正伟
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-07
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

Existing locks cannot flexibly adapt to the needs of left and right door opening. Round springs are unstable and easily damaged, while rectangular springs require directional installation, resulting in a poor user experience.

Method used

Design a door lock with an adjustable left and right handle. It uses a spring fixing component combined with a spring and is connected by screws to make the lock detachable and replaceable. The inner and outer locking blocks of the spring cooperate with the convex ring groove to ensure the stability and convenience of the lock.

Benefits of technology

It improves the stability and reliability of lock use, simplifies the process of changing between left and right opening doors, and enhances the applicability and convenience of locks.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a handle door lock with a left and right changeable flat spring, which comprises a handle with a lock, a mounting surface of the handle is provided with a mounting cavity, and the center of the mounting cavity is provided with a convex ring; a flat spring fixing piece is mounted in the mounting concave cavity in a replaceable manner through a screw; two limiting protruding blocks are arranged on the inner side face of the deflection spring fixing piece, and a deflection spring is arranged between the deflection spring fixing piece and the installation concave cavity. The inner side end of the flat spring is integrally bent to form an inner clamping block, and the outer side end of the flat spring is integrally bent to form an outer clamping block; the inner clamping blocks of the flat spring are clamped in the clamping grooves in the outer wall of the convex ring, and the outer clamping block abuts against one of the inner clamping blocks. And the lockset can be replaced after the flat spring fixing piece is detached. According to the utility model, the structural arrangement is reasonable, the deflection spring is not easy to generate elastic fatigue, the effectiveness of resetting of the lock can be ensured, the use stability and reliability are improved, and when the lock needs to be changed to be opened leftwards or rightwards, only the deflection spring fixing piece needs to be disassembled, so that the convenience and the effectiveness of changing the left-opening lock or the right-opening lock are improved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to handle door lock technical field, concretely relates to a kind of handle door lock with article spring and can be exchanged left and right. BACKGROUND

[0002] Lock is directly to the door and lock or lock effect, because the side of door needs to install hinge, so every door must be divided into left opening door or right opening door, so the installation of lock also has requirement, and it needs lock also needs to be divided into left opening or right opening operation according to the direction of opening door, the lock in the market does not have left and right opening, and it uses round wire spring, although it can also realize use demand, but round wire spring has unstable use, handle is pressed to open lock frequently, which can cause handle not to reset, i.e. at this time, round wire spring does not have elastic return effect, so as to cause door lock damage, affect use stability and reliability, another kind of lock is article spring (referred to as: article spring) similar to clockwork, because article spring does not appear elastic fatigue, lock using article spring can solve the problem of handle not resetting, but lock must be divided into left opening or right opening according to the direction of opening door, so ordinary user uses experience or frequently cannot distinguish whether to select left opening or right opening, so as to cause applicability to be limited. SUMMARY

[0003] The utility model aims at providing a kind of handle door lock with article spring and can be exchanged left and right, which has reasonable structure and is beneficial to improve use stability.

[0004] The technical scheme for realizing the utility model is a kind of handle door lock with article spring and can be exchanged left and right, including handle with lock, installation cavity is arranged on the installation surface of handle, and convex ring is arranged in the center of installation cavity;

[0005] Article spring fixing piece is replaceably installed at installation cavity by screw;

[0006] The center of article spring fixing piece is provided with through hole, and the inner side of article spring fixing piece is provided with two limit protrusions, and two limit protrusions are at the diameter of through hole;

[0007] Article spring is arranged between article spring fixing piece and installation cavity;

[0008] The inner side end of article spring is integrally bent with inner clamping block, and the outer side end of article spring is integrally bent with outer clamping block;

[0009] The inner clamping block of article spring is clamped in the outer wall clamping groove of convex ring, and the outer clamping block is abutted on one of inner clamping blocks;

[0010] Article spring fixing piece can replace lock after being split.

[0011] Further preferably, a cover is fixed on the installation cavity by screws, and the spring fixing member is arranged in the cover.

[0012] Further preferably, a protrusion is arranged on the inner wall of the installation cavity.

[0013] A C-shaped clearance groove is arranged on the outer wall of the cover and matched with the protrusion.

[0014] The cover is arranged in the installation cavity, and the protrusion is clamped in the C-shaped clearance groove.

[0015] Further preferably, the height of the spring fixing member is greater than the depth of the installation cavity.

[0016] The utility model discloses have positive effect: the utility model discloses the structure setting is reasonable, and it is through setting spring fixing member cooperation spring, and spring is not easy to appear elastic fatigue, can guarantee the effectiveness of lock reset, has improved the use stable reliability, and when needing to replace lock left opening or right opening, only need to split spring fixing member, improve the convenience and effectiveness of the exchange left opening or right opening lock, and the suitability is strong. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to make the content of the utility model more easily be clearly understood, the following according to specific embodiment and combining with the drawings, the utility model is further detailed, wherein:

[0018] Figure 1 It is the structure schematic diagram of the utility model;

[0019] Figure 2 It is the split structure schematic diagram of the utility model;

[0020] Figure 3 It is Figure 2 Another perspective structure diagram.

[0021] Fig. 1 is a handle, installation cavity 2, convex ring 3, spring fixing member 4, through hole 5, limit protrusion 6, spring 7, inner clamping block 8, outer clamping block 9, cover 10, protrusion 11, C-shaped clearance groove 12. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings of the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model. EMBODIMENT

[0023] SeeFigures 1 to 3 The utility model discloses a kind of left and right handle door locks with leaf spring, including the handle 1 with lock, the mounting surface of the handle is provided with mounting cavity 2, the center of the mounting cavity is provided with convex ring 3;Its convex ring is used for installing lock in handle, and the height of its convex ring can be set as required.

[0024] In use, the leaf spring fixing part 4 is replaceably mounted at the mounting cavity by a screw; it is connected by a screw, and when installing different left or right opening locks, the corresponding leaf spring fixing part can be installed, and the reset operation of left or right opening lock can also be performed after the installation of leaf spring, so that ordinary users can also quickly disassemble, replace and maintain, and the height of the leaf spring fixing part is greater than the depth of the mounting cavity.

[0025] Meanwhile, in actual application, the leaf spring 7 is arranged between the leaf spring fixing part and the mounting cavity; the inner side end of the leaf spring is integrally bent with an inner clamping block 8, and the outer side end of the leaf spring is integrally bent with an outer clamping block 9; during assembly, the inner clamping block of the leaf spring is clamped in the outer wall clamping groove of the convex ring, and the outer clamping block is positioned on one of the inner clamping blocks; the leaf spring fixing part can be replaced after being disassembled.

[0026] Meanwhile, in actual application, the cover 10 is fixed at the mounting cavity by a screw, and the leaf spring fixing part is arranged in the cover. A protrusion 11 is arranged on the inner wall of the mounting cavity; a C-shaped position avoiding groove 12 is arranged on the outer wall of the cover and matched with the protrusion; during assembly, the cover is arranged in the mounting cavity, and the protrusion is clamped in the C-shaped position avoiding groove. The cover can be limited by the protrusion and the C-shaped position avoiding groove, which improves the convenience and effectiveness of assembly.

[0027] The utility model has the positive effect that: the structure of the utility model is reasonable, the leaf spring fixing part is matched with the leaf spring, the leaf spring is not easy to appear elastic fatigue, the effectiveness of lock reset can be guaranteed, the use stability and reliability are improved, and when it is necessary to replace the left or right opening lock, the leaf spring fixing part only needs to be disassembled, the convenience and effectiveness of replacing the left or right opening lock are improved, and the applicability is strong.

[0028] The standard parts used in the embodiment can be directly purchased from the market, and the non-standard structural parts according to the description in the specification can also be directly processed without doubt according to the existing technical knowledge, meanwhile, the connection mode of each part adopts the mature conventional means in the existing technology, and the machinery, parts and equipment all adopt the conventional models in the existing technology, so the specific description is not made here.

[0029] Obviously, the above embodiments of the utility model are only examples for clearly illustrating the utility model, and are not the limitation of the embodiments of the utility model. For the ordinary skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, all the embodiments need not and cannot be exhausted. The changes or variations extended from the essential spirit of the utility model and obvious to the skilled in the art still belong to the protection scope of the utility model.

Claims

1. A door lock with an adjustable handle using a spring, comprising a handle with a locking mechanism, characterized in that: The mounting surface of the handle is provided with a mounting cavity, and a protruding ring is provided at the center of the mounting cavity; The mounting cavity is fitted with a spring fixing component that can be replaced by screws. The spring fixing member has a through hole at its center, and two limiting protrusions are provided on the inner side of the spring fixing member, with the two limiting protrusions located at both ends of the diameter of the through hole. A spring is provided between the spring fixing member and the mounting cavity; The inner end of the spring is integrally bent with an inner retaining block, and the outer end of the spring is integrally bent with an outer retaining block. The inner locking block of the spring is locked in the outer wall groove of the convex ring, while the outer locking block abuts against one of the inner locking blocks; The spring fixing component can be disassembled to replace the lock.

2. A door lock with an adjustable left and right handle using a spring, as described in claim 1, characterized in that: A cover is fixed to the mounting cavity by screws, and the spring fixing member passes through the cover.

3. A door lock with an adjustable left and right handle using a spring, as described in claim 2, characterized in that: A protrusion is provided on the inner wall of the mounting cavity; The outer wall of the cover is provided with a C-shaped clearance groove that matches the protrusion; The cover is located in the mounting cavity, and the protrusion is engaged in the C-shaped clearance groove.

4. A door lock with an adjustable left and right handle using a spring, as described in claim 2, characterized in that: The height of the spring fixing member is greater than the depth of the mounting cavity.