CN215485363U

CN215485363U - Handle device with bidirectional reset function and vehicle door lock thereof

Info

Publication number: CN215485363U
Application number: CN202121694132.0U
Authority: CN
Inventors: 韩文杰; 王壤
Original assignee: Ningbo Wangtong Locks Co Ltd
Current assignee: Jiangsu Sanjo Intelligent Technology Co ltd; Ningbo Wangtong Locks Co Ltd
Priority date: 2021-07-23
Filing date: 2021-07-23
Publication date: 2022-01-11
Anticipated expiration: 2031-07-23

Abstract

A handle device with a bidirectional reset function and a vehicle door lock thereof comprise a shell, a handle assembly rotationally arranged on the shell, a bidirectional reset mechanism arranged between the shell and the handle assembly, and a pushing and pressing piece which is driven by the handle assembly and can act on the bidirectional reset mechanism, wherein the bidirectional reset mechanism comprises a reset torsion spring and limit stop assemblies, and the limit stop assemblies are distributed on two sides of the reset torsion spring; the reset torsion spring comprises a spiral body part, a first torsion spring supporting leg and a second torsion spring supporting leg which are respectively arranged at two sides of the spiral body part. The vehicle door lock comprises a lock cylinder main body and the handle device, and the handle component is in transmission connection with the lock cylinder main body. The utility model adopts the reset torsion spring with a specific shape, has better balance, is not easy to loosen in use, is stable and reliable enough, has more comfortable hand feeling when the handle assembly rotates and resets, has simple structure, small size of parts and reasonable space layout, and effectively reduces the installation difficulty.

Description

Handle device with bidirectional reset function and vehicle door lock thereof

Technical Field

The utility model relates to the technical field of lockset products, in particular to a handle device with a bidirectional reset function and a vehicle door lock thereof.

Background

The handle door lock is widely used in building structures, vehicles, household appliances and industrial equipment, and is mainly used for opening and closing a lock body embedded on a door frame. The basic function of the handle door lock is to separate the door plate provided with the handle from the lock body on the door frame when the handle is rotated, and the handle is rotated to the original position after the handle is released by the hand. When the service life of the handle door lock is tested, the times that the handle can automatically rotate and reset is an important index.

At present, most of common door locks in the market only adopt a one-way reset mechanism, and a handle can only be rotated downwards to unlock the door. In order to meet different requirements, such as left-handed or right-handed users, or multi-function controls, a two-way handle is required.

In order to adapt to the use of the bidirectional handle, a bidirectional reset mechanism needs to be arranged, and the structure of the conventional bidirectional reset handle is complex and poor in reliability, for example, the following patent documents: CN111719945A patent discloses a bidirectional reset mechanism of handle and door lock, which includes: the handle is arranged on the lining plate; the pushing plate is placed on the inner side of the lining plate along the first direction; the reset plate is fixed with the handle and rotates along with the handle, the left side and the right side of the reset plate are provided with protruding shifting positions, and when the handle rotates, the protruding shifting positions can drive the push plate to slide along a first direction; two elastic pieces are respectively connected with the lining plate and the pushing plate. The handle is lifted or pressed down, the reset plate rotates, the protruding shifting position on one side of the reset plate rotates along with the reset plate, the push plate is driven to move along the first direction, and after the handle is loosened, the handle returns to the original position under the action of the elastic piece. The above-mentioned product structures have certain drawbacks, such as: the structure is complex, the size of parts is large, the occupied space is large, and the installation difficulty is improved; the length of the elastic piece is long, but the handle can drive the handle to deform in a small range when rotating, so that the actual use effect of the elastic piece is poor, and the handle is easy to shake; and thirdly, the elastic part actually adopts a common spring, and the installation is troublesome.

Disclosure of Invention

In order to overcome the above-mentioned disadvantages of the prior art, the present invention provides a handle device with a two-way reset function and a door lock thereof.

The technical scheme for solving the technical problem is as follows: a handle device with a bidirectional reset function comprises a shell, a handle assembly, a bidirectional reset mechanism and a pushing and pressing piece, wherein the handle assembly is rotatably arranged on the shell, the bidirectional reset mechanism is arranged between the shell and the handle assembly, the pushing and pressing piece is driven by the handle assembly and can act on the bidirectional reset mechanism, the bidirectional reset mechanism comprises a reset torsion spring and limit stop assemblies, and the limit stop assemblies are distributed on two sides of the reset torsion spring;

the reset torsion spring comprises a spiral body part, a first torsion spring support leg and a second torsion spring support leg which are respectively arranged at two sides of the spiral body part;

and the handle assembly is rotated, one of the first torsion spring support leg and the second torsion spring support leg is deformed and displaced by the handle assembly through a pushing piece, and the other one of the first torsion spring support leg and the second torsion spring support leg is abutted with the limit stop assembly to form limit fit.

Preferably, the housing is provided with a boss, the spiral body is sleeved on the boss, and the spiral body is located between the housing and the pushing and pressing piece.

Preferably, the pushing member includes a pushing body, and a first pushing block and a second pushing block respectively disposed at two sides of the pushing body, wherein the first pushing block is opposite to the first torsion spring leg, and the second pushing block is opposite to the second torsion spring leg.

Preferably, the first pushing block, the second pushing block and the limit stop assembly are all located on the same side of the reset torsion spring.

Preferably, the limit stop assembly is integrally formed with the housing.

Preferably, the handle assembly comprises a handle main body exposed outside the shell and a transmission part arranged inside the shell and connected with the handle main body, and the pushing part is sleeved on the transmission part.

Preferably, the transmission component comprises a transmission shaft and a transmission gear which are integrally formed, a transmission hole is formed in the handle main body, and the transmission shaft is inserted in the transmission hole.

Preferably, the transmission shaft includes a circular shaft body and an anti-slip projection provided on an outer circumference of the circular shaft body.

Preferably, the first torsion spring leg and the second torsion spring leg are symmetrically disposed on both sides of the spiral body portion.

The utility model also provides a vehicle door lock, which comprises a lock cylinder main body and the handle device with the bidirectional reset function, wherein the handle assembly is in transmission connection with the lock cylinder main body.

The utility model has the beneficial effects that: 1. the reset torsion spring with a specific shape is adopted, so that the balance is better, the handle assembly is not easy to loosen in use, the handle assembly is stable and reliable enough, and the handle assembly is more comfortable in hand feeling during bidirectional rotation and reset; 2. the structure is simple, the size of parts is small, the spatial layout is reasonable, and the installation difficulty is effectively reduced; 3. the reset torsion spring adopts a symmetrical structure, the installation does not need to identify the direction, and the operation is more convenient.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic structural view of another aspect of the present invention.

Fig. 3 is an exploded view of the present invention.

Fig. 4 is an exploded view from another perspective of the present invention.

Fig. 5 is a schematic view of the internal structure of the present invention.

Fig. 6 is a schematic structural view of the return torsion spring.

FIG. 7 is a schematic view of the structure of the pushing member.

Fig. 8 is a schematic structural view of the transmission member.

In the figure: 1. a housing; 2. a handle assembly; 3. a biasing member; 4. a return torsion spring; 5. a limit stop block; 6. a helical body portion; 7. a first torsion spring leg; 8. a second torsion spring leg; 9. a pressing body; 10. a first push block; 11. a second push block; 12. a boss; 13. a handle main body; 14. a drive shaft; 15. a transmission gear; 16. a drive bore; 17. a circular shaft body; 18. an anti-slip bump; 19. a vehicle door lock; 20. straight rack; 21. a baffle plate; 22. and (5) installing space.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 8, a handle device with a bidirectional reset function comprises a housing 1, a handle assembly 2 rotatably arranged on the housing 1, a bidirectional reset mechanism arranged between the housing 1 and the handle assembly 2, and a pushing part 3 driven by the handle assembly 2 and capable of acting on the bidirectional reset mechanism, wherein the bidirectional reset mechanism comprises a reset torsion spring 4 and limit stops 5, and the limit stops 5 are distributed on two sides of the reset torsion spring 4;

the reset torsion spring 4 comprises a spiral body part 6, a first torsion spring support leg 7 and a second torsion spring support leg 8 which are respectively arranged at two sides of the spiral body part 6;

when the handle assembly 2 is rotated, one of the first torsion spring leg 7 and the second torsion spring leg 8 is deformed and displaced by the handle assembly 2 through the pushing piece 3, and the other one of the first torsion spring leg 7 and the second torsion spring leg 8 is abutted with the limit stop 5 assembly and forms limit fit.

The handle device with the bidirectional reset function provided by the utility model has the following use effects: a user rotates the handle assembly 2 upwards, namely the first torsion spring support leg 7 is pressed downwards by the pushing piece 3 to deform and displace, the second torsion spring support leg 8 is in butt joint with the limit stop 5 assembly and keeps still, so that the corresponding function of the handle assembly 2 is realized, and after the handle assembly 2 is loosened, the deformation force can be accumulated by the first torsion spring support leg 7 to reset the whole handle assembly 2; the user rotates handle subassembly 2 downwards, pushes down second torsional spring stabilizer blade 8 through bulldozing piece 3 promptly and warp the aversion, and first torsional spring stabilizer blade 7 keeps motionless with 5 subassembly butt of limit stop to realize another function of handle subassembly 2, after loosening handle subassembly 2, can gather the deformation force through second torsional spring stabilizer blade 8 and make whole handle subassembly 2 reset.

As to the preferable structure of the pushing member 3, specifically: the torsion spring pressing device comprises a pressing main body 9, and a first pressing block 10 and a second pressing block 11 which are respectively arranged on two sides of the pressing main body 9, wherein the first pressing block 10 is opposite to the first torsion spring support leg 7, and the second pressing block 11 is opposite to the second torsion spring support leg 8. Namely, the first torsion spring leg 7 is deformed by the first pushing block 10, and the second torsion spring leg 8 is deformed by the second pushing block 11, and the two parts act independently to ensure stable and reliable use.

In the use process of the torsion spring, the directions of the stress and the elastic restoring force of the torsion spring are changeable, so that the situation of jumping off the station is easy to occur. The embodiment provides a stable installation structure of a torsion spring, namely, a boss 12 is arranged on the housing 1, the spiral body part 6 is sleeved on the boss 12, and the spiral body part 6 is located between the housing 1 and the pushing part 3. The boss 12 is matched with the spiral body part 6 to effectively limit the reset torsion spring 4 in the horizontal direction; simultaneously, the shell 1 and the pushing piece 3 limit the spiral body part 6, the reset torsion spring 4 is longitudinally limited, the overall omnibearing limiting effect is realized, and the reset torsion spring 4 is ensured not to be separated from the normal station.

In the utility model, in order to realize the bidirectional reset function, the first pushing block 10, the second pushing block 11 and the limit stop 5 are all positioned on the same side of the reset torsion spring 4. For example, referring to the drawings, the first pushing block 10, the second pushing block 11 and the limit stop 5 assembly are all located above the reset torsion spring 4, the upper part is a limit direction for the reset torsion spring 4, the handle assembly 2 moves forward and backward, and the first torsion spring leg 7 and the second torsion spring leg 8 are blocked by the limit stop 5 and cannot move upward; the lower direction is the free direction, the handle assembly 2 moves forward and backward, and one of the first torsion spring leg 7 and the second torsion spring leg 8 corresponding to the movement direction is driven by the pushing part 3 to bend and deform downward. After the handle assembly 2 is released, the handle assembly 2 is reset under the elastic reset force of the first torsion spring leg 7 or the second torsion spring leg 8.

Preferably, the limit stop 5 assembly is integrally formed with the housing 1. Adopt integrated into one piece's processing mode, have a great deal of advantage: firstly, the processing is convenient, and the one-step forming is realized; secondly, the process is simplified, and the assembly steps are reduced; thirdly, the use is reliable, and even if the reset torsion spring 4 continuously acts, the situation of force disengagement can not occur.

In this embodiment, the handle assembly 2 includes a handle main body 13 exposed outside the housing 1, and a transmission member disposed inside the housing 1 and connected to the handle main body 13, and the pushing member 3 is sleeved on the transmission member. When the user uses, rotate handle main part 13, handle main part 13 realizes the basic switch function of handle subassembly 2 through drive assembly, and drive assembly drive bulldozes piece 3 simultaneously, bulldozes piece 3 and recompresses reset torsion spring 4 deformation and accumulate the power, loosens handle main part 13 again after, can be under the elasticity restoring force of reset torsion spring 4, will bulldoze piece 3, drive assembly and handle main part 13 and reset to initial position together.

Further, the transmission component comprises a transmission shaft 14 and a transmission gear 15 which are integrally formed, a transmission hole 16 is formed in the handle body 13, and the transmission shaft 14 is inserted in the transmission hole 16. When the automobile door lock is used, the automobile door lock part can adopt a lock cylinder with a gear structure, and the lock cylinder is meshed with the transmission gear 15 to realize matching use. In order to prevent the transmission shaft 14 from slipping, the transmission shaft 14 includes a circular shaft body 17 and a slip prevention protrusion 18 disposed on the outer circumference of the circular shaft body.

Preferably, the door lock portion has a key cylinder structure having a spur rack 20 engaged with the transmission gear 15, and a baffle 21, and the baffle 21 is engaged with the housing 1 to provide a mounting space 22 and structure for the transmission gear 15 and other accessories and protect the transmission gear 15 and other accessories.

Due to the presence of the helical body portion 6, both torsion spring legs of a typical torsion spring are misaligned. In this embodiment, the joint of the torsion spring leg and the helical body portion 6 is bent toward each other, so that the first torsion spring leg 7 and the second torsion spring leg 8 are in the same vertical plane. Meanwhile, the first torsion spring leg 7 and the second torsion spring leg 8 are symmetrically disposed at both sides of the spiral body portion 6. By adopting the arrangement mode, the balance of the whole reset torsion spring 4 in the using process is better, the direction does not need to be recognized during installation, and the installation is more efficient and faster.

The utility model also provides a vehicle door lock, which comprises a lock cylinder main body 19 and the handle device with the bidirectional reset function, wherein the handle assembly 2 is in transmission connection with the lock cylinder main body 19. The handle device with the bidirectional reset function is integrated in the vehicle door lock, so that the vehicle door lock has more diversified functions and meets the use requirements of different users.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all simple modifications, changes and equivalent structural changes made to the above embodiments according to the technical spirit of the present invention still fall within the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a handle device with two-way reset function, includes casing (1), rotates handle subassembly (2) of setting on casing (1), sets up the two-way canceling release mechanical system between casing (1) and handle subassembly (2) and receives handle subassembly (2) drive and can act on two-way canceling release mechanical system's bulldozing piece (3), its characterized in that: the bidirectional reset mechanism comprises a reset torsion spring (4) and limit stop (5) components, wherein the limit stop (5) components are distributed on two sides of the reset torsion spring (4);

the reset torsion spring (4) comprises a spiral body part (6), a first torsion spring support leg (7) and a second torsion spring support leg (8) which are respectively arranged at two sides of the spiral body part (6);

and (3) rotating the handle assembly (2), enabling one of the first torsion spring support leg (7) and the second torsion spring support leg (8) to deform and displace through the handle assembly (2), and enabling the other one of the first torsion spring support leg (7) and the second torsion spring support leg (8) to abut against the limit stop (5) assembly and form limit fit.

2. The handle device with bidirectional reset function as claimed in claim 1, wherein: the shell (1) is provided with a boss (12), the spiral body part (6) is sleeved on the boss (12), and the spiral body part (6) is positioned between the shell (1) and the pushing and pressing piece (3).

3. The handle device with bidirectional reset function as claimed in claim 1, wherein: the pushing part (3) comprises a pushing main body (9), and a first pushing block (10) and a second pushing block (11) which are respectively arranged on two sides of the pushing main body (9), wherein the first pushing block (10) is opposite to the first torsion spring support leg (7), and the second pushing block (11) is opposite to the second torsion spring support leg (8).

4. The handle device with bidirectional reset function as set forth in claim 3, wherein: the first pushing block (10), the second pushing block (11) and the limit stop (5) are all located on the same side of the reset torsion spring (4).

5. The handle device with bidirectional reset function as claimed in claim 1, wherein: the limit stop (5) component and the shell (1) are integrally formed.

6. The handle device with bidirectional reset function as claimed in claim 1, wherein: the handle assembly (2) comprises a handle main body (13) exposed outside the shell (1) and a transmission part arranged inside the shell (1) and connected with the handle main body (13), and the pushing part (3) is sleeved on the transmission part.

7. The handle device with bidirectional reset function as claimed in claim 6, wherein: the transmission part comprises a transmission shaft (14) and a transmission gear (15) which are integrally formed, a transmission hole (16) is formed in the handle main body (13), and the transmission shaft (14) is inserted in the transmission hole (16).

8. The handle device with bidirectional reset function as claimed in claim 7, wherein: the transmission shaft (14) comprises a circular shaft main body (17) and an anti-skid lug (18) arranged on the periphery of the circular shaft main body.

9. The handle device with bidirectional reset function as claimed in claim 1, wherein: the first torsion spring support leg (7) and the second torsion spring support leg (8) are symmetrically arranged on two sides of the spiral body part (6).

10. A vehicle door lock comprises a lock cylinder main body (19), and is characterized in that: the handle device with the bidirectional reset function as claimed in any one of claims 1 to 9, wherein the handle assembly (2) is in transmission connection with the lock cylinder body (19).