Automobile door lock fastener capable of avoiding impact noise between worm and lock body

Abstract

The utility model provides an automobile door lock fastener capable of avoiding impact noise between a worm and a lock body, and relates to the technical field of automobile door lock fasteners, the automobile door lock fastener comprises an upper shell, a lower shell, a lubricating device and a fixing device, the surface of the lower shell is provided with a swing arm, the inner wall of the upper shell is provided with a motor, and the motor is connected with the lower shell. A worm body is installed at the output end of the motor, a metal contact piece and a gear ring are installed on the inner wall of the upper shell, a gear is meshed with the worm body, the lubricating device is installed on the surface of the upper shell through a fixing device, and the lubricating device adds lubricating liquid to the surface of the worm body and the surface of the gear through a storage cylinder and an output box. When the locking device is used, parts of a worm body system can be fully and effectively lubricated and protected by lubricating liquid, so that pressure and friction force between the worm body and the lock body are reduced, noise generated by collision is further avoided, and the practicability of the locking device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile door lock closer, especially an automobile door lock closer capable of avoiding the impact noise between the worm and the lock body. BACKGROUND

[0002] The automobile door lock closer is a device for automatically locking the automobile door, and it is one of the key components in the modern automobile safety system, which can provide convenience and safety for the owner.

[0003] The general door lock closer is composed of a motor, a worm and gear system, a lock body, an electric control system, a spring, a sensor and a shell. When the automobile door lock is switched, the lock tongue is driven into the door frame lock hole by the electric actuator, and the automobile door is firmly locked. After the electric control system sends a signal through the control module, the motor drives the lock tongue mechanical part connected with the swing arm through the gear system. The rotation of the motor will push the lever or the gear mechanism, drive the movement of the lock bolt, and push the lock tongue inward until the lock hole of the door frame is completely locked. However, in the actual use process, it is found that the worm will impact the lock body to produce noise during long-term use of the closer. The reason is that there is a lack of enough lubricating oil or grease between the worm and the lock body during the gear meshing process, which will increase the friction force, cause the contact surface of the worm and the lock body to be subjected to a large pressure and friction, and thus easily produce noise, which affects the normal use of the closer and also causes the abnormality of the door lock switch. SUMMARY

[0004] The utility model solves the technical problem that the worm will impact the lock body to produce noise during long-term use of the closer. The reason is that there is a lack of enough lubricating oil or grease between the worm and the lock body during the gear meshing process, which will increase the friction force, cause the contact surface of the worm and the lock body to be subjected to a large pressure and friction, and thus easily produce noise, which affects the normal use of the closer and also causes the abnormality of the door lock switch.

[0005] The utility model adopts the technical scheme that a kind of automobile door lock closer capable of avoiding the impact noise between the worm and the lock body, including upper shell, lower shell, lubricating device and fixing device, the surface of lower shell is installed with swing arm, the inner wall of upper shell is installed with motor, the output end of motor is installed with worm body, the inner wall of upper shell is installed with metal contact piece and gear ring, wherein gear is engaged with worm body, the lubricating device is installed on the surface of upper shell by means of fixing device, wherein the lubricating device is added with lubricating liquid to the surface of worm body and gear by means of storage cylinder and output box.

[0006] The effects achieved by the above components are that when the lock of the automobile door is in use, the current and signals are transmitted through the wire, the motor is driven to operate, the worm body and the gear are driven to operate, the swing arm is swung, and the use of the lock tongue is driven, and meanwhile, the lubricating device is started regularly to apply the lubricating liquid to the surfaces of the worm body and the gear.

[0007] Preferably, the lubricating device comprises a storage cylinder mounted on the surface of the upper shell through the fixing device, the inner wall of the storage cylinder is slidably provided with a push plate, the surface of the storage cylinder is mounted with a mounting plate, the inner wall of the mounting plate is assembled with an electric telescopic rod, the output end of the electric telescopic rod is connected with the push plate, and the surface of the storage cylinder is communicatively provided with a delivery pipe, wherein the other end of the delivery pipe is mounted with an output box, and the surface of the output box is provided with two rows of uniformly distributed output holes.

[0008] The effects achieved by the above components are that when the lock of the automobile door is in use, the lock of the automobile door is in use, the current and signals are transmitted through the wire, the motor is driven to operate, the worm body and the gear are driven to operate, the swing arm is swung, and the use of the lock tongue is driven, and meanwhile, the lubricating device is started regularly to apply the lubricating liquid to the surfaces of the worm body and the gear.

[0009] Preferably, the lubricating device comprises a sponge block mounted in the output box, and the sponge block assists in stable output of the lubricating liquid.

[0010] The effects achieved by the above components are that through the arrangement of the sponge block, the lubricating liquid can be absorbed by the sponge block when being input into the output box through the delivery pipe, and then is output from the output holes by dripping in the sponge block, so that the lubricating liquid is slowly and stably applied to the surfaces of the worm body and the gear, and the use effect of the lubricating device is improved.

[0011] Preferably, the lubricating device further comprises a reinforcing ring mounted on the circular arc surface of the push plate, and the reinforcing ring ensures stable storage of the lubricating liquid in the storage cylinder.

[0012] The effects achieved by the above components are that through the arrangement of the reinforcing ring, when the push plate extrudes and delivers the lubricating liquid in the storage cylinder, the push plate and the inner wall of the storage cylinder are prevented from being prone to gaps, so that the lubricating liquid is not prone to leakage.

[0013] Preferably, the delivery pipe comprises a main pipe and a plurality of uniformly distributed branch pipes, the main pipe is connected with the storage cylinder, and the branch pipes are connected with the surface of the output box.

[0014] The effect achieved by the above component is that: through the special structure of the conveying pipe, the lubricating liquid in the storage cylinder can first enter the main pipe of the conveying pipe, and then enter the output box through the several evenly distributed branch pipes, so that the lubricating liquid is more evenly conveyed into the surface of the worm body and the gear, and the use effect of the lubricating liquid is improved.

[0015] Preferably, the fixing device comprises two mounting shafts mounted on the surface of the upper shell, and a fixing plate is rotatably connected to the arc surface of the mounting shafts, and a bolt is inserted through the surface of the fixing plate.

[0016] The effect achieved by the above component is that: the lubricating device is more convenient and fast to install and use, and the components of the lubricating device are convenient to maintain, so that the normal use of the device is ensured.

[0017] Preferably, the fixing device further comprises an operating block mounted on the bolt, and the operating block assists the use of the bolt.

[0018] The effect achieved by the above component is that: through the setting of the operating block, the bolt is more convenient and fast to use, and the disassembly and assembly of the storage cylinder are more convenient and fast, so that the convenience of the lubricating device is improved.

[0019] Preferably, the fixing device further comprises two positioning frames mounted on the arc surface of the storage cylinder, and the fixing plate is inserted with the inner wall of the positioning frame.

[0020] The effect achieved by the above component is that: through the setting of the positioning frame, when the fixing plate is connected with the storage cylinder, the assembly position of the storage cylinder is more stable and firm, and is not easy to deflect, so that the stable assembly of the lubricating device is ensured.

[0021] The beneficial effects of the utility model are:

[0022] When the utility model is used, the worm body system component can be fully and effectively lubricated by the lubricating liquid, so that the pressure and friction between the worm body and the lock body are reduced, and the noise caused by impact is further avoided, and the practicability of the lock is improved. BRIEF DESCRIPTION OF DRAWINGS

[0023] The utility model is further described below in combination with the drawings and examples.

[0024] Figure 1 is the structure schematic view of the utility model;

[0025] Figure 2 is the structure schematic view of the lubricating device of the utility model;

[0026] Figure 3It is the decomposition structure schematic view of lubricating device of the utility model.

[0027] Figure 4 It is the structure schematic view of fixing device.

[0028] Legend: 1, upper shell; 2, lower shell; 3, motor; 4, worm; 5, gear; 6, metal contact piece; 7, swing arm; 8, lubricating device; 81, storage cylinder; 82, mounting plate; 83, electric telescopic rod; 84, push plate; 85, conveying pipe; 86, output box; 87, output hole; 88, sponge block; 89, add guard ring; 9, fixing device; 91, mounting shaft; 92, fixed plate; 93, bolt; 94, operating block; 95, positioning frame. DETAILED DESCRIPTION

[0029] The utility model will be further explained in detail in combination with the drawings. These drawings are all simplified schematic views, and only the basic structure of the utility model is schematically shown, so it only shows the structure related to the utility model.

[0030] In the description of the utility model, it should be explained that, unless otherwise explicitly specified and limited, the terms "connected" and "connected" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0031] Figure 1 The automobile door lock lock shown in the utility model for avoiding the impact noise of worm and lock body, including upper shell 1, lower shell 2, lubricating device 8 and fixing device 9, the surface of lower shell 2 is installed with swing arm 7, the inner wall of upper shell 1 is installed with motor 3, the output end of motor 3 is installed with worm body 4, the inner wall of upper shell 1 is installed with metal contact piece 6 and gear ring, wherein gear 5 is engaged with worm body 4, lubricating device 8 is installed on the surface of upper shell 1 by fixing device 9, wherein lubricating device 8 adds lubricating liquid to the surface of worm body 4 and gear 5 by storage cylinder 81 and output box 86.

[0032] Figure 1 、 Figure 2 and Figure 3The shown lubricating device 8 includes a storage cylinder 81 mounted on the surface of the upper shell 1 by means of a fixing device 9, the inner wall of the storage cylinder 81 is slidably provided with a push plate 84, the surface of the storage cylinder 81 is mounted with a mounting plate 82, the inner wall of the mounting plate 82 is assembled with an electric telescopic rod 83, the output end of the electric telescopic rod 83 is connected with the push plate 84, and the surface of the storage cylinder 81 is communicatively provided with a conveying pipe 85, wherein the other end of the conveying pipe 85 is mounted with an output box 86, and the surface of the output box 86 is provided with two rows of uniformly distributed output holes 87. When the lock of the automobile door is used, the electric current and signal are transmitted through the wire to drive the operation of the motor 3, so that the worm body 4 and the gear 5 are operated, and the swing arm 7 is swung to drive the use of the lock tongue. At the same time, during the use of the lock, the electric telescopic rod 83 on the storage cylinder 81 is started regularly, the electric telescopic rod 83 drives the push plate 84 to slide on the inner wall of the storage cylinder 81, at this time, the lubricating liquid stored in the storage cylinder 81 is extruded and pushed, and is extruded into the conveying pipe 85, and then flows into the output box 86, and finally flows out through the two rows of output holes 87 on the bottom surface of the output box 86, and is dropped and applied on the surfaces of the worm body 4 and the gear 5. At this time, when the lock is used, the worm body 4 system components can be fully and effectively lubricated by the lubricating liquid, so that the pressure and friction between the worm body 4 and the lock body are reduced, the noise caused by impact is further avoided, and the practicability of the lock is improved.

[0033] Figure 1 、 Figure 2 and Figure 3 The shown lubricating device 8 includes a sponge block 88 mounted in the output box 86, wherein the sponge block 88 assists the stable output of the lubricating liquid. Through the arrangement of the sponge block 88, when the lubricating liquid is input into the output box 86 through the conveying pipe 85, the lubricating liquid can be first absorbed by the sponge block 88, and then output from the output holes 87 by dropping in the sponge block 88, so that the lubricating liquid is slowly and stably applied on the surfaces of the worm body 4 and the gear 5, and the use effect of the lubricating device 8 is improved. The lubricating device 8 further includes a guard ring 89 mounted on the circular surface of the push plate 84. The guard ring 89 ensures the stable storage of the lubricating liquid in the storage cylinder 81. Through the arrangement of the guard ring 89, when the push plate 84 extrudes and conveys the lubricating liquid in the storage cylinder 81, the gap between the push plate 84 and the inner wall of the storage cylinder 81 is prevented from being easily generated, so that the lubricating liquid is not easily leaked. The conveying pipe 85 is composed of a main pipe and a plurality of uniformly distributed branch pipes, wherein the main pipe is connected with the storage barrel, and the branch pipes are connected with the surface of the output box 86. Through the special structure of the conveying pipe 85, the lubricating liquid in the storage cylinder 81 can be more uniformly conveyed into the output box 86, so that the lubricating liquid is better added on the surfaces of the worm body 4 and the gear 5, and the use effect of the lubricating liquid is improved.

[0034] Figure 1 、 Figure 2And Figure 4 The fixing device 9 shown includes two mounting shafts 91 mounted on the surface of the upper shell 1, the circular arc surface of the mounting shaft 91 is rotationally connected with a fixing plate 92, the surface of the fixing plate 92 is inserted with a bolt 93, wherein the screw is threadedly connected with the surface of the storage cylinder 81, when the fixing device 9 is used to install and fix the lubricating device 8, first, the storage cylinder 81 is attached to the surface of the upper shell 1, then the fixing plate 92 on both sides of the storage cylinder 81 is rotated, the fixing plate 92 is rotated on the circular arc surface of the mounting shaft 91 fixedly connected with the surface of the upper shell 1, until the fixing plate 92 is attached to the surface of the storage cylinder 81, finally, the bolt 93 is inserted through the surface of the fixing plate 92, the bolt 93 is threadedly connected with the surface of the storage cylinder 81, the position of the storage cylinder 81 is fixed, then the corresponding parts of the lubricating device 8 are connected and fixed, at this time, the lubricating device 8 is more convenient and fast to install and use when in use, and the parts of the lubricating device 8 are convenient to overhaul and maintain, which ensures the normal use of the device.

[0035] Figure 1 、 Figure 2 And Figure 4 The fixing device 9 shown also includes an operating block 94 mounted on the bolt 93, wherein the operating block 94 assists the use of the bolt 93, through the setting of the operating block 94, the bolt 93 is more convenient and fast to use, and the disassembly and assembly of the storage cylinder 81 are more convenient and fast, thereby improving the convenience of the use of the lubricating device 8, the fixing device 9 also includes two positioning frames 95 mounted on the circular arc surface of the storage cylinder 81, wherein the fixing plate 92 is inserted with the inner wall of the positioning frame 95, through the setting of the positioning frame 95, when the fixing plate 92 is connected with the storage cylinder 81, the assembly position of the storage cylinder 81 can be more stable and firm, and is not easy to be deflected, which ensures the stable assembly of the lubricating device 8.

[0036] Working principle: when the lock of the automobile door is in use, the current and signal are transmitted through the wire to drive the operation of the motor 3, thereby driving the worm body 4 and the gear 5 to operate, thereby also driving the swing arm 7 to swing, driving the use of the lock tongue, at the same time, during the use of the lock, the electric telescopic rod 83 on the storage cylinder 81 is started regularly, the electric telescopic rod 83 drives the sliding of the push plate 84 on the inner wall of the storage cylinder 81, at this time, the lubricating liquid stored in the storage cylinder 81 is extruded and pushed, and is extruded into the conveying pipe 85, and then flows into the output box 86, and finally flows out through the two rows of output holes 87 on the bottom surface of the output box 86, and is dropped and applied on the surfaces of the worm body 4 and the gear 5, at this time, when the lock is in use, the worm body 4 system components can be fully and effectively lubricated by the lubricating liquid, thereby reducing the pressure and friction between the worm body 4 and the lock body, further avoiding the noise caused by the impact, and improving the practicability of the lock.

[0037] When the lubricating device 8 is installed and fixed by using the fixing device 9, first, the storage cylinder 81 is attached in contact with the surface of the upper shell 1, then the fixing plate 92 on both sides of the storage cylinder 81 is rotated, the fixing plate 92 is rotated on the circular arc surface of the mounting shaft 91 fixedly connected to the surface of the upper shell 1, until the fixing plate 92 is attached to the surface of the storage cylinder 81, finally the bolt 93 is penetrated through the surface of the fixing plate 92, the bolt 93 is threadedly connected to the surface of the storage cylinder 81, the position of the storage cylinder 81 is fixed, then the corresponding parts of the lubricating device 8 are connected and fixed, at this time, the lubricating device 8 is more convenient and fast to install and use when in use, and the parts of the lubricating device 8 are convenient to overhaul and maintain, the normal use of the device is ensured.

[0038] The above is the ideal embodiment of the present application, and the above description can be varied and modified without departing from the technical concept of the present application. The technical scope of the present application is not limited to the content of the specification, and must be determined by the scope of the claims.

Claims

1. A car door lock locking device for avoiding noise from the impact between the worm gear and the lock body, comprising an upper housing (1), a lower housing (2), a lubrication device (8), and a fixing device (9), characterized in that: A swing arm (7) is mounted on the surface of the lower housing (2), a motor (3) is mounted on the inner wall of the upper housing (1), a worm gear (4) is mounted on the output end of the motor (3), a metal contact plate (6) and a gear ring are mounted on the inner wall of the upper housing (1), wherein the gear (5) meshes with the worm gear (4), and the lubrication device (8) is mounted on the surface of the upper housing (1) by means of a fixing device (9), wherein the lubrication device (8) adds lubricant to the surface of the worm gear (4) and the gear (5) by means of a storage cylinder (81) and an output box (86).

2. The automotive door lock locking device for avoiding noise from the impact between the worm gear and the lock body according to claim 1, characterized in that: The lubrication device (8) includes a storage cylinder (81) mounted on the surface of the upper housing (1) by means of a fixing device (9). A push plate (84) is slidably provided on the inner wall of the storage cylinder (81). An mounting plate (82) is installed on the surface of the storage cylinder (81). An electric telescopic rod (83) is assembled on the inner wall of the mounting plate (82). The output end of the electric telescopic rod (83) is connected to the push plate (84). A conveying pipe (85) is provided on the surface of the storage cylinder (81). An output box (86) is installed at the other end of the conveying pipe (85). Two rows of evenly distributed output holes (87) are opened on one side surface of the output box (86).

3. A car door lock locking device for avoiding noise from the impact between the worm gear and the lock body according to claim 2, characterized in that: The lubrication device (8) includes a sponge block (88) installed inside the output box (86), wherein the sponge block (88) assists in the stable output of lubricating fluid.

4. A car door lock locking device for avoiding noise from the impact between the worm gear and the lock body according to claim 2, characterized in that: The lubrication device (8) also includes a protective ring (89) installed on the arc surface of the push plate (84), which ensures the stable storage of lubricating fluid inside the storage cylinder (81).

5. A car door lock locking device for avoiding noise from the impact between the worm gear and the lock body according to claim 2, characterized in that: The delivery pipe (85) consists of a main pipe and several evenly distributed branch pipes, wherein the main pipe is connected to the storage tank and the branch pipes are connected to the surface of the output box (86).

6. A car door lock locking device for avoiding noise from the impact between the worm gear and the lock body according to claim 1, characterized in that: The fixing device (9) includes two mounting shafts (91) mounted on the surface of the upper housing (1). A fixing plate (92) is rotatably connected to the arc surface of the mounting shaft (91). A bolt (93) is inserted through the surface of the fixing plate (92), wherein the bolt is threaded to the surface of the storage cylinder (81).

7. A car door lock locking device for avoiding noise from the impact between the worm gear and the lock body according to claim 6, characterized in that: The fixing device (9) also includes an operating block (94) mounted on the bolt (93), wherein the operating block (94) assists in the use of the bolt (93).

8. A car door lock locking device for avoiding noise from the impact between the worm gear and the lock body according to claim 6, characterized in that: The fixing device (9) also includes two positioning frames (95) installed on the arc surface of the storage cylinder (81), wherein the fixing plate (92) is inserted into the inner wall of the positioning frame (95).

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