CN217129213U

CN217129213U - Double-pawl automobile door lock mechanism adopting nanoscale powder metallurgy

Info

Publication number: CN217129213U
Application number: CN202123324585.7U
Authority: CN
Inventors: 张卫国
Original assignee: Suzhou Chengliang Powder Metallurgy Co ltd
Current assignee: Suzhou Chengliang Powder Metallurgy Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-08-05
Anticipated expiration: 2031-12-27

Abstract

The utility model discloses a two pawl car door lock mechanisms of nanometer powder metallurgy, include the main pawl with fixed lock post looks block to and the supplementary pawl with the linkage of main pawl, main pawl includes the locking pawl, the center fixedly connected with first pawl pivot of locking pawl, the outer wall of first pawl pivot has cup jointed first torsional spring, supplementary pawl includes spacing pawl main part, the center fixedly connected with second pawl pivot of spacing pawl main part, the outer wall of second pawl pivot has cup jointed the second torsional spring, the center of spacing pawl main part has seted up the locating hole; and the rear end of the auxiliary pawl is provided with a locking mechanism. The utility model discloses a main pawl, supplementary pawl and locking mechanism that the design is simple can realize that the normal locking of car door is fixed, and its simple structural design also is convenient for daily maintenance simultaneously maintains, under the condition that breaks down, also can maintain fast, overhauls convenient and fast.

Description

Double-pawl automobile door lock mechanism adopting nanoscale powder metallurgy

Technical Field

The utility model relates to an automobile door lock field especially relates to a two pawl automobile door lock mechanisms of nanometer powder metallurgy.

Background

The automobile door lock is an important safety component on the whole automobile, plays important roles in preventing theft and protecting safety of passengers, and is developed through mechanical door locks, electric door locks and intelligent door locks from the invention of the automobile to the present. The electronic intelligent door lock is controlled by an electronic circuit, takes an electromagnet, a micro motor and a lock body as actuating mechanisms, and is an electromechanical integrated safety device.

The double-pawl automobile door lock is a very common automobile door lock type, and multiple different types of double-pawl automobile door lock mechanisms exist in the current market, but most of the existing double-pawl automobile door locks are too complex in structural design, so that in the actual use process, once a fault occurs, the whole assembly can be replaced normally, the maintenance is inconvenient, the resource waste is easily caused, and the maintenance cost is increased.

It is therefore desirable to provide a nanoscale powder metallurgy dual-pawl automotive door latch mechanism that addresses the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that the structural design of current two pawl automobile door lock is mostly too complicated, in case the in-process of in-service use breaks down, can only carry out the whole of assembly usually and change, and inconvenient maintenance has both caused the waste of resource easily, has also increased cost of maintenance simultaneously.

In order to solve the technical problem, the utility model discloses a technical scheme be: the nanoscale powder metallurgy double-pawl automobile door lock mechanism comprises a main pawl clamped with a fixed lock cylinder and an auxiliary pawl linked with the main pawl, wherein the main pawl comprises a locking pawl, the center of the locking pawl is fixedly connected with a first pawl rotating shaft, the outer wall of the first pawl rotating shaft is sleeved with a first torsion spring, the bottom of one side of the locking pawl is provided with a positioning clamping groove, and the other side of the locking pawl is provided with a first positioning lock tongue corresponding to the auxiliary pawl;

the auxiliary pawl comprises a limiting pawl main body, a second pawl rotating shaft is fixedly connected to the center of the limiting pawl main body, a second torsion spring is sleeved on the outer wall of the second pawl rotating shaft, a second positioning spring bolt corresponding to the locking pawl is arranged on one side of the limiting pawl main body, and a positioning hole is formed in the center of the limiting pawl main body;

and the rear end of the auxiliary pawl is provided with a locking mechanism.

Preferably, the first pawl rotating shaft and the locking pawl are of an integrated structure, so that the first pawl rotating shaft and the locking pawl can synchronously rotate.

Preferably, the locking pawl is locked with the fixed lock column through the clamping of the positioning clamping groove, and when the positioning clamping groove is hung on the outer wall of the fixed lock column, the vehicle door is in a locking state at the moment.

Preferably, the second pawl rotating shaft and the limiting pawl main body are of an integrated structure, so that the second pawl rotating shaft and the limiting pawl main body can rotate synchronously.

Preferably, the auxiliary pawl is mutually clamped with the first positioning bolt through the second positioning bolt, so that the second positioning bolt can be utilized to lock and position the first positioning bolt and the locking pawl, and the vehicle door is prevented from being pulled open randomly.

Preferably, the locking mechanism comprises a connecting block, a top fixedly connected with fixing column at the front end of the connecting block, a center fixedly connected with positioning rod at the rear end of the connecting block, a reset spring is sleeved on the outer wall of the positioning rod, a top and a bottom equal fixedly connected with limiting rod at the rear end of the connecting block, a positioning column is fixedly connected at the bottom of the front end of the connecting block, the locking mechanism is used for assisting the positioning of the pawl under the locking state of the vehicle door, the locking mechanism is arranged and positioned on the inner wall of the lock box, and when the front end of the positioning column is inserted into the center of the positioning hole, the rotation of the auxiliary pawl cannot be realized, so that the fixation of the main pawl is further realized.

Preferably, the front end of the positioning column is movably inserted into the center of the positioning hole, and in an unlocking state, the fixing column is pushed backwards by a mechanical key or a telescopic column of the automatic unlocking mechanism, so that the positioning column is separated from the positioning hole, the auxiliary pawl can freely rotate, the mechanical key or the automatic rotating mechanism drives the auxiliary pawl to rotate clockwise, the locking pawl synchronously drives the locking pawl to rotate anticlockwise while rotating, and the locking pawl is separated from the fixed locking column, so that unlocking is realized.

The utility model has the advantages as follows:

1. the utility model has the advantages that through the design of the simple main pawl, the auxiliary pawl and the locking mechanism, the normal locking and fixing of the automobile door can be realized, meanwhile, the simple structural design is convenient for the daily maintenance and repair, and the maintenance can be rapidly carried out under the condition of failure, so that the maintenance is convenient and rapid;

2. the utility model discloses a design simple lock structure, it is very simple to overhaul the maintenance, neither causes the waste of resource easily, has also reduced cost of maintenance simultaneously.

Drawings

Fig. 1 is a first view structural diagram of the present invention;

fig. 2 is a second view structural diagram of the present invention;

fig. 3 is a third view structural diagram of the present invention;

fig. 4 is a right side view of the present invention.

In the figure: 1. a primary pawl; 101. locking the pawl; 102. a first pawl rotation shaft; 103. a first torsion spring; 104. positioning the clamping groove; 105. a first positioning bolt; 2. an auxiliary pawl; 201. a limiting pawl main body; 202. a second pawl rotation shaft; 203. a second torsion spring; 204. a second positioning bolt; 205. positioning holes; 3. fixing the lock cylinder; 4. a locking mechanism; 401. connecting blocks; 402. fixing a column; 403. positioning a rod; 404. a return spring; 405. a limiting rod; 406. and a positioning column.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Referring to fig. 1 and 2, a nanoscale powder metallurgy double-pawl automobile door lock mechanism comprises a main pawl 1 clamped with a fixed lock cylinder 3 and an auxiliary pawl 2 linked with the main pawl 1, wherein the main pawl 1 comprises a locking pawl 101, the center of the locking pawl 101 is fixedly connected with a first pawl rotating shaft 102, the outer wall of the first pawl rotating shaft 102 is sleeved with a first torsion spring 103, the bottom of one side of the locking pawl 101 is provided with a positioning clamping groove 104, and the other side of the locking pawl 101 is provided with a first positioning bolt 105 corresponding to the auxiliary pawl 2; the first pawl rotating shaft 102 and the locking pawl 101 are of an integrated structure, so that the first pawl rotating shaft 102 and the locking pawl 101 can synchronously rotate; the locking pawl 101 is clamped and locked with the fixed lock column 3 through the positioning clamping groove 104, and when the positioning clamping groove 104 is hung on the outer wall of the fixed lock column 3, the vehicle door is in a locking state at the moment;

as shown in fig. 3, the auxiliary pawl 2 includes a limiting pawl main body 201, a second pawl rotating shaft 202 is fixedly connected to the center of the limiting pawl main body 201, a second torsion spring 203 is sleeved on the outer wall of the second pawl rotating shaft 202, a second positioning bolt 204 corresponding to the locking pawl 101 is arranged on one side of the limiting pawl main body 201, and a positioning hole 205 is formed in the center of the limiting pawl main body 201; the second pawl rotating shaft 202 and the limiting pawl main body 201 are of an integrated structure, so that the second pawl rotating shaft 202 and the limiting pawl main body 201 can synchronously rotate; the auxiliary pawl 2 is clamped with the first positioning bolt 105 through the second positioning bolt 204, so that the first positioning bolt 105 and the locking pawl 101 can be locked and positioned by the second positioning bolt 204, and the vehicle door is prevented from being pulled open at will;

as shown in fig. 3-4, a locking mechanism 4 is disposed at the rear end of the auxiliary pawl 2, the locking mechanism 4 includes a connecting block 401, a fixing column 402 is fixedly connected to the top of the front end of the connecting block 401, a positioning rod 403 is fixedly connected to the center of the rear end of the connecting block 401, a return spring 404 is sleeved on the outer wall of the positioning rod 403, a limiting rod 405 is fixedly connected to both the top and the bottom of the rear end of the connecting block 401, a positioning column 406 is fixedly connected to the bottom of the front end of the connecting block 401, the locking mechanism 4 is used for positioning the auxiliary pawl 2 in a vehicle door locking state, the locking mechanism 4 is mounted and positioned on the inner wall of the lock box, when the front end of the positioning column 406 is inserted into the center of the positioning hole 205, the auxiliary pawl 2 cannot rotate, and thus further fixing the main pawl 1; the front end of the positioning column 406 is movably inserted into the center of the positioning hole 205, and in an unlocking state, the fixed column 402 is pushed backwards by a mechanical key or a telescopic column of an automatic unlocking mechanism, so that the positioning column 406 is separated from the positioning hole 205, the auxiliary pawl 2 can freely rotate, the mechanical key or the automatic rotating mechanism drives the auxiliary pawl 2 to rotate clockwise, the locking pawl 101 synchronously drives the locking pawl 101 to rotate anticlockwise while rotating, and the locking pawl 101 is separated from the fixed locking column 3, so that unlocking is realized.

When the utility model is used, the locking pawl 101 is locked with the fixed lock column 3 through the positioning clamping groove 104, and when the positioning clamping groove 104 is hung on the outer wall of the fixed lock column 3, the vehicle door is in a locking state at the moment; under the state of unlocking, the fixed column 402 is pushed backwards by a telescopic column of a mechanical key or an automatic unlocking mechanism, so that the positioning column 406 is separated from the positioning hole 205, the auxiliary pawl 2 can rotate freely, the mechanical key or the automatic unlocking mechanism drives the auxiliary pawl 2 to rotate clockwise, the locking pawl 101 synchronously drives the locking pawl 101 to rotate anticlockwise while rotating, and the locking pawl 101 is separated from the fixed lock column 3 to realize unlocking.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. The utility model provides a two pawl car door lock mechanisms of nanometer powder metallurgy, includes main pawl (1) with fixed lock post (3) looks block to and supplementary pawl (2) with main pawl (1) linkage, its characterized in that: the main pawl (1) comprises a locking pawl (101), a first pawl rotating shaft (102) is fixedly connected to the center of the locking pawl (101), a first torsion spring (103) is sleeved on the outer wall of the first pawl rotating shaft (102), a positioning clamping groove (104) is formed in the bottom of one side of the locking pawl (101), and a first positioning bolt (105) corresponding to the auxiliary pawl (2) is arranged on the other side of the locking pawl (101);

the auxiliary pawl (2) comprises a limiting pawl main body (201), a second pawl rotating shaft (202) is fixedly connected to the center of the limiting pawl main body (201), a second torsion spring (203) is sleeved on the outer wall of the second pawl rotating shaft (202), a second positioning bolt (204) corresponding to the locking pawl (101) is arranged on one side of the limiting pawl main body (201), and a positioning hole (205) is formed in the center of the limiting pawl main body (201);

and a locking mechanism (4) is arranged at the rear end of the auxiliary pawl (2).

2. The nanoscale powder metallurgy double-pawl automobile door lock mechanism according to claim 1, wherein: the first pawl rotating shaft (102) and the locking pawl (101) are of an integrated structure.

3. The nanoscale powder metallurgy double-pawl automobile door lock mechanism according to claim 1, wherein: the locking pawl (101) is clamped and locked with the fixed lock cylinder (3) through the positioning clamping groove (104).

4. The nanoscale powder metallurgy double-pawl automobile door lock mechanism according to claim 1, wherein: the second pawl rotating shaft (202) and the limiting pawl main body (201) are of an integrated structure.

5. The nanoscale powder metallurgy double-pawl automobile door lock mechanism according to claim 1, wherein: the auxiliary pawl (2) is mutually clamped with the first positioning bolt (105) through the second positioning bolt (204).

6. The nanoscale powder metallurgy double-pawl automobile door lock mechanism according to claim 1, wherein: the locking mechanism (4) comprises a connecting block (401), a fixing column (402) is fixedly connected to the top of the front end of the connecting block (401), a positioning rod (403) is fixedly connected to the center of the rear end of the connecting block (401), a reset spring (404) is sleeved on the outer wall of the positioning rod (403), a limiting rod (405) is fixedly connected to the top and the bottom of the rear end of the connecting block (401), and a positioning column (406) is fixedly connected to the bottom of the front end of the connecting block (401).

7. The nanoscale powder metallurgy double-pawl automobile door lock mechanism according to claim 6, wherein: the front end of the positioning column (406) is movably inserted in the center of the positioning hole (205).