Gear transmission structure of vehicle door lock

Abstract

The utility model belongs to the technical field of automobile door locks, and particularly relates to an automobile door lock gear transmission structure which comprises a transmission gear, a stay wire gear, an outer-layer cover cap, a plastic sleeve, a stay wire, a rotating sleeve, a sealing ring and a terminal. The stay wire gear is vertically meshed with the direction piece transmission gear, and a gear groove is formed in the outer-layer cover cap, so that parts are matched more tightly, and the parts are prevented from shaking in the shell; the part direction piece transmission gear is meshed with the wire drawing gear, and power can be transmitted and the movement direction can be changed through gear transmission between the two perpendicularly-crossed shafts. Compared with other transmission forms, gear transmission can ensure that the transmission ratio is constant, the rhythm is compact, the efficiency is high, work is reliable, and the speed ratio can be changed by adjusting the relative tooth number.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile door locks, in particular to a vehicle door lock gear transmission structure. Background Art

[0002] With the rapid development of the automobile industry, people's comprehensive requirements for automobiles are gradually increasing. From the past, people only paid attention to the performance indicators such as automobile displacement and fuel consumption, to specific requirements for the appearance and interior design of automobiles, and now the requirements for the driving experience and riding comfort of automobiles are getting higher and higher. As we all know, automobile door locks are an indispensable part of current civilian automobiles. They are mainly realized by the door lock gear transmission structure to open or close the car locks;

[0003] However, the existing door lock gear transmission structure still has the following technical problems when used:

[0004] The existing gear transmission structure has poor stability. In an emergency, it is easy to fail and cause the door lock to be unable to open, thereby making it impossible to escape in time.

[0005] Therefore, a vehicle door lock gear transmission structure is proposed to solve the above-mentioned problems. Utility Model Content

[0006] The purpose of the utility model is to provide a vehicle door lock gear transmission structure to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a vehicle door lock gear transmission structure, comprising a transmission gear, a wire pull gear, an outer cover, a plastic sleeve, a wire pull, a rotating sleeve, a sealing ring and a terminal, the inner part of the outer cover is provided with a groove, the wire pull gear is embedded in the gear groove, the wire pull gear is vertically meshed with the direction plate transmission gear, the wire pull is placed in the plastic sleeve, the plastic sleeve and the wire pull pass through the outer cover and are connected to the wire pull gear, the other end of the plastic sleeve is connected to the rotating sleeve, the terminal is placed in the rotating sleeve, and a sealing ring is sleeved on the terminal.

[0008] Preferably, a gear groove is provided in the outer cover, and a wire drawing tube is provided at one end of the outer cover.

[0009] Preferably, the direction plate transmission gear is vertically meshed with the wire pulling gear.

[0010] Preferably, a No. 1 wire pulling groove is provided in the wire pulling gear.

[0011] Preferably, a plastic sleeve groove is provided at one end of the rotating sleeve, a wire pulling hole is provided in the middle of the rotating sleeve, and a terminal connection groove is provided at the other end of the rotating sleeve.

[0012] Preferably, a sealing ring groove and a No. 2 wire drawing groove are provided on the side wall of the terminal.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1) The outer cover of the utility model is provided with a gear groove to make the parts fit more tightly and prevent the parts from shaking in the housing;

[0015] 2) The direction plate transmission gear of the utility model is meshed with the wire pulling gear, and the power can be transmitted and the direction of movement can be changed through the gear transmission between the two vertical cross shafts;

[0016] 3) Compared with other transmission forms, the gear transmission of the utility model can ensure a constant transmission ratio, a compact rhythm, high efficiency, and reliable operation. The speed ratio can be changed by adjusting the relative number of teeth. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the explosion structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the outer cover structure;

[0019] Figure 3 This is a schematic diagram of the interior of the wire-pulling gear;

[0020] Figure 4 It is the internal schematic diagram of the rotating sleeve;

[0021] Figure 5 This is the internal schematic diagram of the terminal;

[0022] Figure 6 It is a schematic diagram of the structure of the utility model.

[0023] In the figure: 1 transmission gear, 2 wire pulling gear, 3 outer cover, 4 plastic sleeve, 5 wire pulling, 6 rotating sleeve, 7 sealing ring, 8 terminal, 9 gear groove, 10 wire pulling tube, 11 No. 1 wire pulling groove, 12 plastic sleeve groove, 13 wire pulling hole, 14 terminal connection groove, 15 sealing ring groove, 16 No. 2 wire pulling groove. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0026] Example

[0027] See also Figure 1-6 , the utility model provides a technical solution:

[0028] A vehicle door lock gear transmission structure includes a transmission gear 1, a wire gear 2, an outer cover 3, a plastic sleeve 4, a wire 5, a rotating sleeve 6, a sealing ring 7 and a terminal 8. A groove is provided inside the outer cover 3, the wire gear 2 is embedded in the gear groove 9, the wire gear 2 is vertically meshed with the direction plate transmission gear 1, the wire 5 is placed in the plastic sleeve 4, the plastic sleeve 4 and the wire 5 pass through the outer cover 3 and are connected to the wire gear 2, the other end of the plastic sleeve 4 is connected to the rotating sleeve 6, the terminal 8 is placed in the rotating sleeve 6, and the terminal 8 is covered with a sealing ring 7.

[0029] A gear groove 9 is provided inside the outer cover 3, and a wire drawing tube 10 is provided at one end of the outer cover 3. The gear groove 9 makes the parts fit more tightly to prevent the parts from shaking in the shell, and the wire drawing tube 10 can fix the wire 5 and the plastic sleeve 4 to prevent them from falling.

[0030] The direction plate transmission gear 1 is vertically meshed with the wire pulling gear 2. Through the gear transmission between the two vertical cross shafts, power can be transmitted and the direction of movement can be changed.

[0031] A first wire pulling groove 11 is arranged inside the wire pulling gear 2 .

[0032] A plastic sleeve groove 12 is provided at one end of the rotating sleeve 6 , a wire pulling hole 13 is provided in the middle of the rotating sleeve 6 , and a terminal connection groove 14 is provided at the other end of the rotating sleeve 6 .

[0033] The side wall of the terminal 8 is provided with a sealing ring groove 15 and a second wire drawing groove 16 so that the terminal and the rotating sleeve can be matched and will not fall off.

[0034] Working principle:

[0035] The wire-pulling gear 2 is embedded in the outer cover 3, and a gear groove 9 is provided in the outer cover 3 to make the parts fit more tightly and prevent the parts from shaking in the shell. The transmission gear 1 is vertically meshed with the wire-pulling gear 2. Through the gear transmission between the two vertical cross axes, power can be transmitted and the direction of movement can be changed. After assembly is completed, the key is inserted into the lock cylinder and rotated. The transmission gear 1 rotates to drive the wire-pulling gear 2 to rotate, and the wire-pulling gear 2 rotates to drive the wire 5 to rotate, thereby driving the terminal 8 to rotate and open the door lock.

[0036] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be implemented in other specific forms without departing from the spirit or basic features of the utility model; therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description. Therefore, it is intended to include all changes within the meaning and scope of the equivalent elements of the claims in the utility model, and any figure marks in the claims should not be regarded as limiting the claims involved.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A vehicle door lock gear transmission structure, comprising a transmission gear (1), a wire pull gear (2), an outer cover (3), a plastic sleeve (4), a wire pull (5), a rotating sleeve (6), a sealing ring (7) and a terminal (8), characterized in that: The outer cover (3) has a groove inside, the wire-pulling gear (2) is embedded in the gear groove (9), the wire-pulling gear (2) is vertically meshed with the direction plate transmission gear (1), the wire-pulling wire (5) is placed in a plastic sleeve (4), the plastic sleeve (4) and the wire-pulling wire (5) pass through the outer cover (3) and are connected to the wire-pulling gear (2), the other end of the plastic sleeve (4) is connected to the rotating sleeve (6), the terminal (8) is placed in the rotating sleeve (6), and a sealing ring (7) is sleeved on the terminal (8).

2. The vehicle door lock gear transmission structure according to claim 1, characterized in that: A gear groove (9) is provided in the outer cover (3), and a wire drawing tube (10) is provided at one end of the outer cover (3).

3. The vehicle door lock gear transmission structure according to claim 1, characterized in that: The direction plate transmission gear (1) is vertically meshed with the wire pulling gear (2).

4. The vehicle door lock gear transmission structure according to claim 1, characterized in that: The wire pulling gear (2) is provided with a first wire pulling groove (11).

5. The vehicle door lock gear transmission structure according to claim 1, characterized in that: A plastic sleeve groove (12) is provided at one end of the rotating sleeve (6), a wire pulling hole (13) is provided in the middle of the rotating sleeve (6), and a terminal connection groove (14) is provided at the other end of the rotating sleeve (6).

6. The vehicle door lock gear transmission structure according to claim 1, characterized in that: The side wall of the terminal (8) is provided with a sealing ring groove (15) and a second wire drawing groove (16).

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