CN212106883U

CN212106883U - Gear box for automobile seat

Info

Publication number: CN212106883U
Application number: CN202020751848.9U
Authority: CN
Inventors: 周志光
Original assignee: Yangzhou Guoguang New Material Co ltd
Current assignee: Yangzhou Guoguang New Material Co ltd
Priority date: 2020-05-08
Filing date: 2020-05-08
Publication date: 2020-12-08
Anticipated expiration: 2030-05-08

Abstract

The utility model belongs to the technical field of automobile machinery part, especially, be a gear box for car seat, including box and parallel arrangement input shaft and output shaft in the box, be equipped with first gear on the input shaft, be equipped with the second gear on the output shaft, first gear and second gear dislocation set, parallel arrangement has the jackshaft between the inside input shaft that corresponds of box and the output shaft, be equipped with respectively on the jackshaft with first gear engagement's third gear and with second gear engagement's fourth gear. The utility model discloses can carry out real-time supervision to gas pressure in the gear box, judge whether the gear box is in operating condition to lubricate the gear automatically at the gear box during operation, make the lubricating property of gear obtain greatly promoting, prolong the life of gear, need not to frequently overhaul and maintain the gear box, effectively reduce use cost, intelligent degree is high, convenient to use.

Description

Gear box for automobile seat

Technical Field

The utility model relates to an automobile machinery part technical field specifically is a gear box for car seat.

Background

The electric seat for an automobile is a seat which is driven by an electric motor and adjusts various positions of the seat through a transmission device and an actuator, so that a driver or a passenger can sit comfortably. The gear box for the automobile seat is an important component of a seat transmission mechanism and can play a role in reducing the speed of a motor.

But current gear box for car seat structure is comparatively single, lacks self-lubricating function, because the teeth of a cogwheel lack abundant lubricated effect, because the friction between the teeth of a cogwheel causes the gear damage in the time use, has seriously reduced the life of gear, needs frequently to change and overhaul, has increased maintenance cost.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a gear box for car seat has solved current gear box structure for car seat comparatively single, lacks the self-lubricating function, because the teeth of a cogwheel lack abundant lubricated effect, because the friction between the teeth of a cogwheel causes the gear damage in the time use, has seriously reduced the life of gear, needs frequently to change and overhauls, has increased the problem of maintenance cost.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a gear box for an automobile seat comprises a box body, an input shaft and an output shaft which are arranged in the box body in parallel, wherein a first gear is arranged on the input shaft, a second gear is arranged on the output shaft, the first gear and the second gear are arranged in a staggered mode, an intermediate shaft is arranged in the box body in parallel between the input shaft and the output shaft, a third gear meshed with the first gear and a fourth gear meshed with the second gear are arranged on the intermediate shaft respectively, the diameter of the first gear is smaller than that of the third gear, the diameter of the second gear is smaller than that of the fourth gear, a self-lubricating device used for lubricating gear teeth of the first gear and the second gear is arranged in the box body and comprises an oil supply tank, an oil supply pipe, an oil supply seat, bristles, a jacking cylinder, a controller and a differential pressure detection element, the oil supply tank is connected with the oil supply seat through an oil supply pipe, the oil supply device is characterized in that an oil delivery pump and two electromagnetic valves are arranged on the oil supply pipe, bristles are arranged on the oil supply seat, embedded holes for installing the bristles are uniformly distributed in the oil supply seat, an oil distribution cavity communicated with the oil supply pipe is formed in the oil supply seat, the oil supply seat is connected to the end portion of a piston rod of a jacking cylinder, the jacking cylinder is used for driving the bristles on the two oil supply seats to respectively contact or keep away from the jacking motion of a first gear and a second gear, a channel communicated with the oil distribution cavity is formed between the corresponding embedded holes in the oil supply seat, a differential pressure detection element is used for detecting the gas pressure difference in the box body, and the jacking cylinder, the differential pressure detection element, the oil delivery pump and the electromagnetic valves are respectively and electrically connected with a controller.

As an optimized technical scheme of the utility model, be equipped with the bearing with input shaft, output shaft and countershaft looks adaptation in the box respectively.

As an optimal technical scheme of the utility model, be equipped with the mounting groove that corresponds around with first gear and second gear on the inside wall around the box respectively, the jacking cylinder inlays the dress in the mounting groove.

As an optimized technical scheme of the utility model, the controller adopts the 80C51 singlechip.

As an optimized technical scheme of the utility model, differential pressure detecting element is MX-YL-07 differential pressure transmitter.

(III) advantageous effects

Compared with the prior art, the utility model provides a gear box for car seat possesses following beneficial effect:

this gear box for car seat can carry out real-time supervision to gas pressure in the gear box, judges whether the gear box is in operating condition to lubricate the gear automatically at the gear box during operation, make the lubricating property of gear obtain greatly promoting, the life of extension gear need not to frequently overhaul and maintain the gear box, effectively reduces use cost, and intelligent degree is high, convenient to use.

Drawings

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

fig. 2 is a schematic structural view of the self-lubricating device of the present invention;

fig. 3 is a schematic view of the internal structure of the oil supply seat of the present invention.

In the figure: 1. a box body; 2. an input shaft; 3. an output shaft; 4. a first gear; 5. a second gear; 6. an intermediate shaft; 7. a third gear; 8. a fourth gear; 9. a self-lubricating device; 901. an oil supply tank; 902. an oil supply pipe; 903. an oil supply seat; 9031. embedding a mounting hole; 9032. an oil distributing cavity; 9033. a channel; 904. brushing; 905. jacking a cylinder; 906. a controller; 907. a differential pressure detection element; 908. an oil transfer pump; 909. an electromagnetic valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-3, the present invention provides the following technical solutions: a gear box for an automobile seat comprises a box body 1, an input shaft 2 and an output shaft 3 which are arranged in the box body 1 in parallel, wherein a first gear 4 is arranged on the input shaft 2, a second gear 5 is arranged on the output shaft 3, the first gear 4 and the second gear 5 are arranged in a staggered manner, an intermediate shaft 6 is arranged in the box body 1 corresponding to the space between the input shaft 2 and the output shaft 3 in parallel, a third gear 7 meshed with the first gear 4 and a fourth gear 8 meshed with the second gear 5 are respectively arranged on the intermediate shaft 6, the diameter of the first gear 4 is smaller than that of the third gear 7, the diameter of the second gear 5 is smaller than that of the fourth gear 8, a self-lubricating device 9 used for lubricating gear teeth of the first gear 4 and the second gear 5 is arranged in the box body 1, the self-lubricating device 9 comprises an oil supply tank 901, an oil supply pipe 902, an oil supply seat 903, bristles 904, a jacking cylinder 905, a controller 906, the oil supply tank 901 is connected with an oil supply seat 903 through an oil supply pipe 902, the oil supply pipe 902 is provided with an oil transfer pump 908 and a solenoid valve 909, the oil supply seat 903 is provided with two bristles 904, the bristles 904 are arranged on the oil supply seat 903, embedded holes 9031 for arranging the bristles 904 are uniformly distributed on the oil supply seat 903, an oil distribution cavity 9032 communicated with the oil supply pipe 902 is arranged in the oil supply seat 903, the oil supply seat 903 is connected to the end part of a piston rod of a jacking cylinder 905, the jacking cylinder 905 is used for driving the bristles 904 on the front oil supply seat 903 and the rear oil supply seat 903 to respectively make jacking movement in contact with or away from a first gear 4 and a second gear 5, a channel 9033 communicated with the oil distribution cavity 9032 is arranged between the corresponding embedded holes 9031 in the oil supply seat 903, a differential pressure detection element 907 is used for detecting the gas pressure difference in the tank body 1, and the jacking cylinder 905, the differential.

Specifically, bearings matched with the input shaft 2, the output shaft 3 and the intermediate shaft 6 are respectively arranged in the box body 1.

In this embodiment, the input shaft 2, the output shaft 3 and the intermediate shaft 6 are respectively installed in the box body 1 through corresponding bearings, and the arrangement of the bearings can play a role in reducing friction coefficients of the input shaft 2, the output shaft 3 and the intermediate shaft 6 in a motion process and ensuring rotation precision of the input shaft, the output shaft and the intermediate shaft.

Specifically, the front inner side wall and the rear inner side wall of the box body 1 are respectively provided with mounting grooves corresponding to the first gear 4 and the second gear 5 in the front and the rear directions, and the jacking cylinder 905 is embedded in the mounting grooves.

In this embodiment, when the oil supply device is used, the two jacking cylinders 905 are started, the piston rods of the two jacking cylinders push the corresponding oil supply seats 903 to move close to the first gear 4 and the second gear 5 respectively, the bristles 904 on the two oil supply seats 903 are in contact with the gear teeth of the first gear 4 and the second gear 5 respectively, the controller 906 controls the electromagnetic valve 909 to communicate with the pipeline, the oil transfer pump 908 is started, lubricating oil in the oil supply tank 901 is transferred into the oil supply seats 903 and permeates into the bristles 904 through the oil distribution chamber 9032 and the channel 9033, and the bristles 904 are in frictional contact with the first gear 4 and the second gear 5, so that a lubricating effect is achieved.

Specifically, the controller 906 is an 80C51 single chip microcomputer.

Specifically, the differential pressure detecting element 907 is an MX-YL-07 differential pressure transmitter.

In the embodiment, the MX-YL-07 differential pressure transmitter adopts an imported high-precision and high-stability chip, is assembled by adopting an aluminum alloy or stainless steel shell and a stress isolation technology, and has the characteristics of compact structure, firmness, small volume, light weight, simplicity and easiness in installation, convenience in use and the like; when the box body 1 is used, the gas pressure or flow change in the box body 1 can be monitored through the MX-YL-07 differential pressure transmitter, the detection data is sent to the controller 906, the controller 906 judges whether the gear box is in a working state or not according to the detection data, and when the MX-YL-07 differential pressure transmitter detects the gas pressure change in the box body 1, the controller 906 starts the oil transfer pump 908 and the electromagnetic valve 909 to supply oil.

The utility model discloses a theory of operation and use flow: when the seat power shaft is used, the input shaft 2 is connected with a motor shaft, the output shaft 3 is connected with a seat power shaft, the motor drives the input shaft 2 to rotate when working, so that the first gear 4 on the input shaft 2 is driven to rotate, the first gear 4 rotates to drive the third gear 7 meshed with the first gear to rotate, the third gear 7 rotates to drive the intermediate shaft 6 to rotate, the fourth gear 8 on the intermediate shaft 6 is driven to rotate, the second gear 5 meshed with the third gear is driven to rotate through the rotation of the fourth gear 8, so that the seat power shaft connected with the output shaft 3 is driven to rotate, and the purpose of speed reduction transmission is achieved; when the MX-YL-07 differential pressure transmitter detects the change of the air pressure in the inverted box body 1, the controller 906 starts two jacking air cylinders 905, a piston rod of the jacking air cylinder respectively pushes corresponding oil supply seats 903 to move close to the first gear 4 and the second gear 5, the bristles 904 on the two oil supply seats 903 are respectively contacted with the gear teeth of the first gear 4 and the second gear 5, then the electromagnetic valve 909 is controlled by the controller 906 to communicate a pipeline, an oil transfer pump 908 is started to transfer lubricating oil in the oil supply box 901 into the oil supply seats 903, the lubricating oil permeates into the bristles 904 through the oil distribution cavity 9032 and the channel 9033 and is in frictional contact with the first gear 4 and the second gear 5 by the bristles 904, thereby playing a self-lubricating role; when the differential pressure detecting element 907 detects that the gear box stops working, the controller 906 controls the oil delivery pump 908 and the electromagnetic valve 909 to be closed successively, so that the delivery of lubricating oil is stopped, and simultaneously the piston rod of the jacking cylinder 905 is controlled to contract, so that the oil supply seat 903 is reset.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a gear box for car seat, includes box (1) and parallel mount input shaft (2) and output shaft (3) in box (1), its characterized in that: the gearbox is characterized in that a first gear (4) is arranged on the input shaft (2), a second gear (5) is arranged on the output shaft (3), the first gear (4) and the second gear (5) are arranged in a staggered mode, an intermediate shaft (6) is arranged in the box body (1) and corresponds to the position between the input shaft (2) and the output shaft (3) in parallel, a third gear (7) meshed with the first gear (4) and a fourth gear (8) meshed with the second gear (5) are arranged on the intermediate shaft (6) respectively, the diameter of the first gear (4) is smaller than that of the third gear (7), the diameter of the second gear (5) is smaller than that of the fourth gear (8), a self-lubricating device (9) used for lubricating gear teeth of the first gear (4) and the second gear (5) is arranged in the box body (1), and the self-lubricating device (9) comprises an oil supply tank (901), The oil supply device comprises an oil supply pipe (902), an oil supply seat (903), bristles (904), a jacking cylinder (905), a controller (906) and a differential pressure detection element (907), wherein the oil supply tank (901) is connected with the oil supply seat (903) through the oil supply pipe (902), an oil transfer pump (908) and a solenoid valve (909) are arranged on the oil supply pipe (902), the number of the oil supply seats (903) is two, the bristles (904) are arranged on the oil supply seat (903), embedded holes (9031) for arranging the bristles (904) are uniformly distributed on the oil supply seat (903), an oil distribution cavity (9032) communicated with the oil supply pipe (902) is arranged in the oil supply seat (903), the oil supply seat (903) is connected to the end part of a piston rod of the jacking cylinder (905), and the jacking cylinder (905) is used for driving the bristles (904) on the front oil supply seat and the rear oil supply seat (903) to respectively make contact with or keep away from the jacking motion of a first gear (4) and a second, a channel (9033) communicated with the oil distribution cavity (9032) is arranged between corresponding embedded holes (9031) in the oil supply seat (903), the differential pressure detection element (907) is used for detecting the gas pressure difference in the box body (1), and the jacking cylinder (905), the differential pressure detection element (907), the oil delivery pump (908) and the electromagnetic valve (909) are respectively and electrically connected with the controller (906).

2. The gear box for the vehicle seat according to claim 1, wherein: and bearings matched with the input shaft (2), the output shaft (3) and the intermediate shaft (6) are respectively arranged in the box body (1).

3. The gear box for the vehicle seat according to claim 1, wherein: the front inner side wall and the rear inner side wall of the box body (1) are respectively provided with mounting grooves corresponding to the front and the rear of the first gear (4) and the second gear (5), and the jacking cylinder (905) is embedded in the mounting grooves.

4. The gear box for the vehicle seat according to claim 1, wherein: the controller (906) adopts an 80C51 singlechip.

5. The gear box for the vehicle seat according to claim 1, wherein: the differential pressure detection element (907) is an MX-YL-07 differential pressure transmitter.