Bidirectional unlocking door lock system for sliding door cab

Abstract

The utility model discloses a bidirectional unlocking door lock system for a sliding door cab. The bidirectional unlocking door lock system comprises a first lockset, a second lockset, an unlocking assembly and a connecting rod assembly, wherein the first lockset is arranged on a vehicle door; the second lockset is arranged on the vehicle door; by means of the unlocking assembly composed of the bottom plate, the connecting plate and the inner release handle receiving piece, the vehicle door lock system has three positions, namely the initial position, the left unlocking position and the right unlocking position, and the purposes of achieving bidirectional unlocking, improving the use comfort of a driver, reducing abrasion and prolonging the service life are achieved.

Description

Technical Field

[0001] The utility model relates to the field of production and application of vehicle door locks, in particular to a two-way unlocking sliding door cab door lock system. Background Art

[0002] In the use of existing car door locks, the inner release handle usually has only two positions in the working state, namely the initial position and the unlocked position. In the case of these two positions, the driver is not convenient in the operation process. At the same time, the car door system of this structure is greatly worn during use and has a short life.

[0003] How to effectively solve the above technical problems is what the technicians in this technical field need to consider urgently at this stage.

[0004] The information disclosed in this background technology section is only intended to deepen the understanding of the overall background technology of the present invention, and should not be regarded as acknowledging or suggesting in any form that the information constitutes the prior art already known to those skilled in the art. Utility Model Content

[0005] In order to solve the above technical problems, the utility model proposes a sliding door cab door lock system with two-way unlocking, so as to achieve two-way unlocking, improve the driver's comfort, reduce wear and tear and extend the service life.

[0006] In order to achieve the above object, the technical solution of the utility model is as follows:

[0007] A two-way unlocking sliding door cab door lock system comprises a first lock arranged on the door, a second lock arranged on the door, an unlocking assembly arranged on the door, and a connecting rod assembly for connecting the unlocking assembly with the first lock and the second lock;

[0008] The unlocking assembly comprises a bottom plate arranged on the vehicle door and an inner release handle arranged on the bottom plate;

[0009] The connecting rod assembly includes a horizontal connecting rod, a conversion plate arranged at the rear end of the horizontal connecting rod, a first vertical connecting rod arranged on the conversion plate and connected to the first lock, and a second vertical connecting rod arranged on the conversion plate and connected to the second lock; the conversion plate is L-shaped, and the vertical portion of the conversion plate is provided with a through hole matching the horizontal connecting rod, the rear end of the horizontal connecting rod is formed with a hook matching the through hole, the end of the horizontal portion of the conversion plate is provided with two through holes, the top ends of the first vertical connecting rod and the second vertical connecting rod are bent into hooks matching the through holes, the center of the conversion plate is provided with a circular hole for installation, and the conversion plate is installed on the vehicle door through the circular hole and the pin shaft matching the circular hole.

[0010] The utility model provides a door lock system with three positions, namely an initial position and left and right unlocking positions, through an unlocking assembly composed of a bottom plate, a connecting plate and an inner release handle, so as to achieve two-way unlocking, improve the driver's comfort, reduce wear and tear and extend the service life.

[0011] Further preferably, the inner release handle comprises a lever, a first swing arm and a second swing arm, the bottom of the lever is mounted on the bottom plate through a first pin shaft, the bottoms of the first swing arm and the second swing arm are both provided with through holes, and the through holes are provided with second pin shafts, the second pin shafts sequentially pass through the through holes at the bottom ends of the first swing arm and the second swing arm and are connected to the bottom plate; a pulley is provided at the middle part of the upper portion of the first swing arm, a mounting column is provided on the upper portion of the second swing arm, and a side wall of the first swing arm is closely attached to a side wall of the mounting column;

[0012] A V-groove is provided on one side of the bottom of the lever facing the first swing arm, and the pulley is located in the V-groove;

[0013] The top end of the first swing arm is connected to a top corner of the bottom plate via a return spring;

[0014] A through hole is provided at the top end of the second swing arm for cooperating with a hook portion provided at the end of the horizontal connecting rod.

[0015] Further preferably, the unlocking assembly further comprises an outer handle lever connected to the outer handle;

[0016] The bottom plate is provided with a through hole for the outer handle to pass through, the driving shaft of the outer handle passes through the through hole and is connected to the bottom of the outer handle lever, and the outer handle lever rotates around the driving shaft of the outer handle under the action of the outer handle.

[0017] Further preferably, a horizontal plate is provided on the top of the outer handle lever, a connecting plate is provided on the horizontal plate, a connecting column is provided at one end of the connecting plate, a waist-shaped hole matching with the connecting column is provided on the top of the second swing arm, and the connecting column is arranged in the waist-shaped hole.

[0018] Further preferably, a column is provided on one end of the horizontal plate, a return torsion spring is provided on the column, one end of the return torsion spring is fixed to the horizontal plate, and the other end is fixed to the bottom plate.

[0019] The utility model has the following advantages:

[0020] 1. The door lock system of the utility model has three positions, namely, an initial position and an unlocking position on the left and right, through an unlocking assembly composed of a bottom plate, a connecting plate and an inner release handle, so as to achieve two-way unlocking, improve the driver's comfort, reduce wear and extend the service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0022] Figure 1 It is a structural schematic diagram of a two-way unlocking sliding door cab door lock system disclosed in an embodiment of the utility model;

[0023] Figure 2 It is a three-dimensional schematic diagram of an inner release handle assembly in a two-way unlocking sliding door cab door lock system disclosed in an embodiment of the utility model;

[0024] Figure 3 for Figure 2 A is an enlarged schematic diagram;

[0025] Figure 4 for Figure 2 A magnified schematic diagram of the middle B;

[0026] Figure 5 It is a schematic diagram of the structure of the three positions of the inner release handle assembly;

[0027] The numbers and letters in the figure represent the corresponding component names:

[0028] 1. First lock 2. Second lock 31. Bottom plate 331. Lever 332. First swing arm 333. Second swing arm 334. First pin 335. Second pin 336. Pulley 337. Mounting column 338. V-groove

[0029] 339.Reset spring 34.External handle lever 341.Horizontal plate 342.Connecting plate 343.Connecting column

[0030] 344. Waist hole 345. Column 346. Reset torsion spring 41. Horizontal connecting rod 42. Conversion plate

[0031] 43. First vertical connecting rod 44. Second vertical connecting rod 5. External handle. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0033] The utility model provides a two-way unlocking sliding door cab door lock system, the working principle of which is that the door lock system has three positions, namely the initial position and an unlocking position on the left and right, through an unlocking component composed of a bottom plate, a connecting plate and an inner release handle, so as to achieve two-way unlocking, improve the driver's comfort, reduce wear and extend the service life.

[0034] The present invention is further described in detail below in conjunction with embodiments and specific implementation methods.

[0035] like Figure 1-Figure 5 As shown, a two-way unlocking sliding door cab door lock system comprises a first lock 1 arranged on the door, a second lock 2 arranged on the door, an unlocking assembly arranged on the door, and a connecting rod assembly for connecting the unlocking assembly with the first lock and the second lock;

[0036] The unlocking assembly comprises a bottom plate 31 arranged on the vehicle door, an inner release handle member arranged on the bottom plate, and an outer handle lever 34 connected to the outer handle;

[0037] The connecting rod assembly includes a horizontal connecting rod 41, a conversion plate 42 arranged at the rear end of the horizontal connecting rod, a first vertical connecting rod 43 arranged on the conversion plate and connected to the first lock, and a second vertical connecting rod 44 arranged on the conversion plate and connected to the second lock; the conversion plate is L-shaped, and the vertical portion of the conversion plate is provided with a through hole matching the horizontal connecting rod, the rear end of the horizontal connecting rod is formed with a hook matching the through hole, the end of the horizontal portion of the conversion plate is provided with two through holes, the top ends of the first vertical connecting rod and the second vertical connecting rod are bent into hooks matching the through holes, the center of the conversion plate is provided with a circular hole for installation, and the conversion plate is installed on the vehicle door through the circular hole and the pin shaft matching the circular hole.

[0038] The inner release handle member includes a lever 331, a first swing arm 332 and a second swing arm 333. The bottom of the lever is mounted on the base plate via a first pin 334. The bottoms of the first and second swing arms are both provided with through holes, and a second pin 335 is provided at the through holes. The second pin passes through the through holes at the bottom ends of the first and second swing arms in sequence and is connected to the base plate. A pulley 336 is provided at the upper middle portion of the first swing arm, and a mounting column 337 is provided on the second swing arm, with the side wall of the first swing arm being tightly attached to the side wall of the mounting column. A V-groove 338 is provided at the bottom of the lever facing the first swing arm, and the pulley is in the V-groove. The top end of the first swing arm is connected to a corner of the top end of the base plate via a return spring 339. The top end of the second swing arm is provided with a through hole for cooperating with a hook provided at the end of a horizontal connecting rod.

[0039] The bottom plate is provided with a through hole for the outer handle 5 to pass through, and the driving shaft of the outer handle passes through the through hole to connect with the bottom of the outer handle lever, and the outer handle lever rotates around the driving shaft of the outer handle under the action of the outer handle. A horizontal plate 341 is provided on the top of the outer handle lever, and a connecting plate 342 is provided on the horizontal plate, and a connecting column 343 is provided at one end of the connecting plate, and a waist-shaped hole 344 matching with the connecting column is provided on the top of the second swing arm, and the connecting column is set in the waist-shaped hole. A column 345 is provided at one end of the horizontal plate, and a reset torsion spring 346 is provided on the column, and one end of the reset torsion spring is fixed to the horizontal plate, and the other end is fixed to the bottom plate.

[0040] The specific use steps of the utility model are as follows: Figure 1-Figure 5 As shown, a V-groove 338 is provided on the lever 331 of the inner release handle assembly, and the pulley 336 on the first swing arm 332 can slide along the V-groove. When the lever 331 is pulled to the left, the pulley slides along the lower part of the V-groove, and the first swing arm 332 swings to the right; after the lever 331 is released, the pulley returns to the bottom of the V-groove under the action of the return spring 339; when the lever 331 is pushed to the right, the pulley slides along the upper part of the V-groove, and the first swing arm swings to the right. After the lever is released, the pulley returns to the bottom of the V-groove under the action of the return spring. In this structure, whether the lever moves to the left or the right, the first swing arm always swings to the right, thereby swinging the second swing arm 333 to the right. The second swing arm 333 is connected to a horizontal connecting rod, and the end of the horizontal connecting rod is connected to the first lock 1 through the first vertical connecting rod 43, and connected to the second lock 2 through the second vertical connecting rod 44, so as to open the door lock.

[0041] The device can be used with different outer handles 5. The outer handle 5 is driven to drive the outer handle lever 34 to rotate, and the second swing arm is pulled to rotate through the connecting plate 342 to unlock. At this time, the lever of the inner release handle is kept in the initial position due to the action of the return spring. The actions of the inner and outer handles are independent of each other and have no influence on each other. When the outer handle is released, the second swing arm returns to the initial position under the action of the return spring.

[0042] Through the above method, the utility model provides a two-way unlocking sliding door cab door lock system, which has three positions, namely, an initial position and an unlocking position on the left and right, through an unlocking component composed of a base plate, a connecting plate and an inner release handle, so as to achieve two-way unlocking, improve the driver's comfort, reduce wear and extend the service life.

[0043] The above is only a preferred embodiment of a two-way unlocking sliding door cab door lock system disclosed in the present utility model. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the creative concept of the present utility model, which all belong to the protection scope of the present utility model.

Claims

1. A two-way unlocking sliding door cab door lock system, characterized in that: It comprises a first lock arranged on the vehicle door, a second lock arranged on the vehicle door, an unlocking assembly arranged on the vehicle door, and a connecting rod assembly for connecting the unlocking assembly with the first lock and the second lock; The unlocking assembly comprises a bottom plate arranged on the vehicle door and an inner release handle arranged on the bottom plate; The connecting rod assembly includes a horizontal connecting rod, a conversion plate arranged at the rear end of the horizontal connecting rod, a first vertical connecting rod arranged on the conversion plate and connected to the first lock, and a second vertical connecting rod arranged on the conversion plate and connected to the second lock; the conversion plate is L-shaped, and the vertical portion of the conversion plate is provided with a through hole matching the horizontal connecting rod, the rear end of the horizontal connecting rod is formed with a hook matching the through hole, the end of the horizontal portion of the conversion plate is provided with two through holes, the top ends of the first vertical connecting rod and the second vertical connecting rod are bent into hooks matching the through holes, the center of the conversion plate is provided with a circular hole for installation, and the conversion plate is installed on the vehicle door through the circular hole and the pin shaft matching the circular hole.

2. A two-way unlocking sliding door cab door lock system according to claim 1, characterized in that: The inner release handle comprises a lever, a first swing arm and a second swing arm, the bottom of the lever is mounted on the bottom plate through a first pin shaft, the bottoms of the first swing arm and the second swing arm are both provided with through holes, and the through holes are provided with second pin shafts, the second pin shafts sequentially pass through the through holes at the bottom ends of the first swing arm and the second swing arm and are connected to the bottom plate; a pulley is provided at the middle part of the upper portion of the first swing arm, a mounting column is provided on the upper portion of the second swing arm, and the side wall of the first swing arm is closely attached to the side wall of the mounting column; A V-groove is provided on one side of the bottom of the lever facing the first swing arm, and the pulley is located in the V-groove; The top end of the first swing arm is connected to a top corner of the bottom plate via a return spring; A through hole is provided at the top end of the second swing arm for cooperating with a hook portion provided at the end of the horizontal connecting rod.

3. A two-way unlocking sliding door cab door lock system according to claim 2, characterized in that: The unlocking assembly also includes an outer handle lever connected to the outer handle; The bottom plate is provided with a through hole for the outer handle to pass through, the driving shaft of the outer handle passes through the through hole and is connected to the bottom of the outer handle lever, and the outer handle lever rotates around the driving shaft of the outer handle under the action of the outer handle.

4. A two-way unlocking sliding door cab door lock system according to claim 3, characterized in that: A horizontal plate is provided on the top of the outer handle lever, a connecting plate is provided on the horizontal plate, a connecting column is provided at one end of the connecting plate, a waist-shaped hole matching with the connecting column is provided on the top of the second swing arm, and the connecting column is arranged in the waist-shaped hole.

5. A two-way unlocking sliding door cab door lock system according to claim 4, characterized in that: A column is arranged at one end of the horizontal plate, and a return torsion spring is arranged on the column. One end of the return torsion spring is fixed on the horizontal plate, and the other end is fixed on the bottom plate.

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