Reduction gear set for automobile starter

Abstract

The utility model relates to the technical field of reduction gear sets, and discloses a reduction gear set for an automobile starter, which comprises a reduction gear set main body and a fixed sleeve shell, a cooling pipe is sleeved in the fixed sleeve shell, a support sleeve is sleeved in the cooling pipe, one end of the cooling pipe is connected with a cooling assembly in a penetrating manner, and the other end of the cooling assembly is connected with a motor. A flange plate is connected to one side of the fixing sleeve shell in a sleeving mode, four sets of fixing sleeves are fixedly connected to the surface of the flange plate, positioning sleeves are connected to the interiors of the fixing sleeves in a sleeving mode, telescopic assemblies are slidably connected to the interiors of the positioning sleeves, and each cooling assembly comprises a conveying pump connected to one end of a cooling pipe in a penetrating mode. According to the reduction gear set for the automobile starter, through the arrangement of the telescopic assembly and the positioning sleeve, the effect of conveniently disassembling and assembling the reduction gear set and the starter body is achieved, the reduction gear set can be conveniently overhauled or replaced, the maintenance cost is reduced, and the overall maintenance efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of reduction gear set, especially a reduction gear set for automobile starter. BACKGROUND

[0002] Gear set refers to a small system formed by many gears combined together, which is composed of many gears of different sizes and is mainly used for transmitting torque, changing speed and changing torque direction. The reduction gear set for automobile starter is mainly composed of multiple gears and a shell, which is used to realize the conversion of the rotation speed of the starter and the rotation speed of the motor. Through effective speed reduction and torque conversion, the automobile starter can start the engine at a suitable speed and torque, and at the same time, damage to the starter caused by excessively high rotation speed is avoided.

[0003] The existing reduction gear set for automobile starter is inconvenient to disassemble and assemble the reduction gear set and the starter body, and the overall maintenance efficiency is difficult to improve.

[0004] Therefore, it is necessary to invent a reduction gear set for automobile starter to solve the above problems. SUMMARY

[0005] (I) Technical problem solved

[0006] The purpose of the utility model is to provide a reduction gear set for automobile starter to solve the problem of inconvenient disassembly and assembly of the reduction gear set and the starter body in the background technology, and difficult to improve the overall maintenance efficiency.

[0007] (II) Technical scheme

[0008] To achieve the above purpose, the utility model is implemented by the following technical scheme: a reduction gear set for automobile starter, comprising a reduction gear set body and a fixed sleeve shell, a cooling pipe is sleeved in the inside of the fixed sleeve shell, a supporting sleeve is sleeved in the inside of the cooling pipe, a cooling assembly is connected through one end of the cooling pipe, a flange plate is sleeved on one side of the fixed sleeve shell, four groups of fixed sleeves are fixedly connected on the surface of the flange plate, a positioning sleeve is sleeved in the inside of the fixed sleeve, a telescopic assembly is slidably connected in the inside of the positioning sleeve, the cooling assembly comprises a delivery pump connected through one end of the cooling pipe, the output end of the delivery pump is connected through a cooling box, the surface of the cooling box is fixedly connected with a semiconductor refrigeration sheet, and the surface of the semiconductor refrigeration sheet is fixedly connected with a plurality of groups of radiating fins; the telescopic assembly comprises a sliding rod slidably connected in the inside of the positioning sleeve, a limiting ring is sleeved on the surface of the sliding rod, and a telescopic spring is fixedly connected on one side of the limiting ring.

[0009] As a further scheme of the utility model, the one end of the positioning sleeve is slidably connected with several groups of balls, and the one end of the sliding rod is provided with grooves matched with the balls, so that the balls can slide into the grooves.

[0010] As a further scheme of the utility model, the inside of the supporting sleeve is provided with several groups of heat dissipation grooves, and the one end of the positioning sleeve is inserted with a socket, so that the positioning sleeve can be inserted into the socket.

[0011] As a further scheme of the utility model, the surface of the socket is sleeved with a connecting disc, and the one side of the connecting disc is fixedly connected with a starter body, so that the starter body can drive the reduction gear set.

[0012] As a further scheme of the utility model, the surface of the fixed sleeve shell is fixedly connected with a protective shell, and the one side of the protective shell is sleeved with a heat dissipation fan, so that the heat dissipation fan can discharge the internal hot air.

[0013] As a further scheme of the utility model, the top of the fixed sleeve shell is fixedly connected with a supporting block, and the top of the supporting block is fixedly connected with a solenoid valve, so that the solenoid valve can control the cut-off of the starter body.

[0014] As a further scheme of the utility model, the surface of the fixed sleeve shell is sleeved with a positioning disc, and the surface of the positioning disc is fixedly connected with four groups of external threaded rings, so that the external threaded rings can be connected with external equipment.

[0015] (Three) beneficial effects

[0016] The utility model provides a kind of reduction gear set for automobile starter, with following beneficial effects:

[0017] 1, the reduction gear set for automobile starter, by the setting of telescopic component and positioning sleeve, when needing to install, press sliding rod, so that ball falls into the recess in the one end of sliding rod, and then the one side of fixed sleeve shell is aligned with connecting disc, so that positioning sleeve is inserted into socket inside, loosen sliding rod, so that telescopic spring pushes limit ring, and then pull sliding rod, so that the one end of sliding rod extrudes ball, and ball is installed by being clamped into the clamping groove on socket, when needing to disassemble, press sliding rod, so that ball is re-fallen into the recess on sliding rod, and then pull fixed sleeve shell, and be extracted from socket inside, so as to reach the effect that reduction gear set and starter body are conveniently disassembled and assembled, facilitate to overhaul or replace reduction gear set, reduce maintenance cost, improve overall maintenance efficiency.

[0018] 2、The reduction gear set for automobile starter, through the setting of cooling assembly and cooling pipe, in use, due to the friction and movement resistance between gears, a large amount of heat is generated, the heat is transmitted to the cooling pipe through the support sleeve, then the cooling liquid in the cooling pipe absorbs the heat, the circulating delivery of the cooling liquid is driven by the delivery pump to the cooling box, the cooling box is refrigerated by the semiconductor refrigeration sheet, the hot surface is cooled by the cooling fin, and the inside of the protective shell is discharged by the cooling fan, so that the main body of the reduction gear set is quickly refrigerated and cooled, the stable operation of the reduction gear set is ensured, and the service life is prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0019] Fig. 1 It is a whole structure schematic view of the utility model;

[0020] Fig. 2 It is a split structure schematic view of the utility model;

[0021] Fig. 3 It is a cooling assembly and cooling pipe structure schematic view of the utility model;

[0022] Fig. 4 It is a telescopic assembly and positioning sleeve structure schematic view of the utility model.

[0023] In the drawing: 1, reduction gear set main body; 2, fixed sleeve shell; 3, cooling pipe; 4, support sleeve; 5, cooling assembly; 501, delivery pump; 502, cooling box; 503, semiconductor refrigeration sheet; 504, cooling fin; 6, flange plate; 7, fixed sleeve; 8, positioning sleeve; 9, telescopic assembly; 901, sliding rod; 902, limit ring; 903, telescopic spring; 10, ball; 11, socket; 12, connecting disc; 13, starter body; 14, protective shell; 15, cooling fan; 16, support block; 17, electromagnetic valve; 18, positioning disc; 19, external thread ring. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] Please refer to Figs. 1 to 4The utility model provides a technical scheme: a kind of reduction gear set for automobile starter, including reduction gear set main body 1 and fixed sleeve shell 2, the inside sleeve of fixed sleeve shell 2 is connected with cooling pipe 3, the inside sleeve of cooling pipe 3 is connected with support sleeve 4, one end of cooling pipe 3 is connected with cooling assembly 5, through the setting of cooling assembly 5 and cooling pipe 3, reach the effect of quick refrigeration cooling of reduction gear set main body 1, ensure the stable operation of reduction gear set, prolong its service life, one side of fixed sleeve shell 2 is connected with flange plate 6, the surface of flange plate 6 is fixedly connected with four groups of fixed sleeve 7, the inside sleeve of fixed sleeve 7 is connected with positioning sleeve 8, positioning sleeve 8 is slidably connected with telescopic component 9 in its inside, through the setting of telescopic component 9 and positioning sleeve 8, reach the effect that reduction gear set and starter body 13 are conveniently disassembled and assembled, facilitate to overhaul or replace reduction gear set, reduce maintenance cost, improve overall maintenance efficiency, cooling assembly 5 includes the delivery pump 501 that is connected at one end of cooling pipe 3, the output of delivery pump 501 is connected with cooling box 502, the surface of cooling box 502 is fixedly connected with semiconductor refrigeration piece 503, the surface of semiconductor refrigeration piece 503 is fixedly connected with several groups of radiating fins 504;Telescopic component 9 includes the sliding rod 901 that is slidably connected in the inside of positioning sleeve 8, the surface of sliding rod 901 is connected with limit ring 902, one side of limit ring 902 is fixedly connected with telescopic spring 903.

[0026] The end of positioning sleeve 8 is slidably connected with several groups of ball 10, one end of sliding rod 901 is provided with recess that is matched with ball 10, through the setting of recess, play the role of facilitating ball 10 sliding in.

[0027] The inside of support sleeve 4 is provided with several groups of heat dissipation grooves, one end of positioning sleeve 8 is inserted with socket 11, through the setting of socket 11, play the role of facilitating positioning sleeve 8 insertion.

[0028] The surface of socket 11 is connected with connecting disc 12, one side of connecting disc 12 is fixedly connected with starter body 13, through the setting of starter body 13, play the role of driving reduction gear set.

[0029] The surface of fixed sleeve shell 2 is fixedly connected with protective shell 14, one side of protective shell 14 is connected with radiating fan 15, through the setting of radiating fan 15, play the role of discharging internal hot air.

[0030] The top of fixed sleeve shell 2 is fixedly connected with support block 16, the top of support block 16 is fixedly connected with electromagnetic valve 17, through the setting of electromagnetic valve 17, play the role of control cut-off and starter body 13 connection.

[0031] The surface of the fixed sleeve shell 2 is sleeved with a positioning disc 18, and the surface of the positioning disc 18 is fixedly connected with four groups of external threaded rings 19.

[0032] The working steps of the device are as follows:

[0033] The first step: in use, due to the friction and movement resistance between the gears, a large amount of heat is generated, the heat is transmitted to the cooling pipe 3 through the supporting sleeve 4, and then the cooling liquid in the cooling pipe 3 absorbs the heat, the delivery pump 501 is started to drive the cooling liquid to circulate and be delivered into the cooling box 502, the cooling box 502 is cooled by the semiconductor refrigeration piece 503, the hot surface is cooled by the heat dissipation fin 504, and the inside of the protective shell 14 is discharged by the cooling fan 15.

[0034] The second step: when it is necessary to install, the sliding rod 901 is pressed, so that the ball 10 falls into the groove at one end of the sliding rod 901, and then one side of the fixed sleeve shell 2 is aligned with the connecting disc 12, so that the positioning sleeve 8 is inserted into the socket 11, and the sliding rod 901 is loosened, so that the telescopic spring 903 pushes the limiting ring 902.

[0035] The third step: then the sliding rod 901 is pulled, so that one end of the sliding rod 901 extrudes the ball 10, and the ball 10 is installed by being clamped into the clamping groove on the socket 11, when it is necessary to disassemble, the sliding rod 901 is pressed, so that the ball 10 falls into the groove on the sliding rod 901 again, and then the fixed sleeve 7 is pulled out of the socket 11.

[0036] It should be noted that the device structure and the drawings of the utility model mainly describe the principle of the utility model, and the setting of the power mechanism, the power supply system and the control system of the device is not completely described in the design principle technology, and under the premise that the above-mentioned principle of the utility model is understood by the person skilled in the art, the specific power mechanism, power supply system and control system can be clearly known, and the control mode of the application file is automatically controlled by the controller, and the control circuit of the controller can be realized by simple programming of the person skilled in the art;

[0037] The standard parts used can be purchased from the market, and can be ordered according to the description and drawings, the specific connection mode of each part adopts the conventional bolt, rivet, welding and other conventional means in the prior art, the machinery, parts and equipment adopt the conventional type in the prior art, and the components known by the person skilled in the art, the structure and principle thereof are known by the person skilled in the art through technical manual or conventional experimental method.

[0038] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A reduction gear set for an automobile starter, comprising a reduction gear set main body (1) and a fixing casing (2), characterized in that: The inside of the fixed shell (2) is sleeved with a cooling pipe (3), the inside of the cooling pipe (3) is sleeved with a supporting sleeve (4), one end of the cooling pipe (3) is connected with a cooling assembly (5), one side of the fixed shell (2) is sleeved with a flange plate (6), the surface of the flange plate (6) is fixedly connected with four groups of fixed sleeves (7), the inside of the fixed sleeve (7) is sleeved with a positioning sleeve (8), the inside of the positioning sleeve (8) is slidably connected with a telescopic assembly (9), The cooling assembly (5) includes a delivery pump (501) connected through one end of the cooling pipe (3), the output end of the delivery pump (501) is connected with a cooling box (502), the surface of the cooling box (502) is fixedly connected with a semiconductor refrigeration sheet (503), and the surface of the semiconductor refrigeration sheet (503) is fixedly connected with a plurality of groups of heat dissipation fins (504); The telescopic assembly (9) includes a sliding rod (901) slidably connected in the inside of the positioning sleeve (8), the surface of the sliding rod (901) is sleeved with a limiting ring (902), and one side of the limiting ring (902) is fixedly connected with a telescopic spring (903).

2. A reduction gear set for an automotive starter motor as defined in claim 1, wherein: One end of the positioning sleeve (8) is slidably connected with a plurality of groups of rolling balls (10), and one end of the sliding rod (901) is provided with a groove matched with the rolling balls (10).

3. A reduction gear set for an automotive starter motor as defined in claim 1, wherein: The inside of the supporting sleeve (4) is provided with a plurality of groups of heat dissipation grooves, and one end of the positioning sleeve (8) is inserted with a socket (11).

4. A reduction gear set for an automotive starter motor as defined in claim 3 wherein: The surface of the socket (11) is sleeved with a connecting disc (12), and one side of the connecting disc (12) is fixedly connected with a starter body (13).

5. A reduction gear set for an automotive starter motor as defined in claim 1, wherein: The surface of the fixed shell (2) is fixedly connected with a protective shell (14), and one side of the protective shell (14) is sleeved with a heat dissipation fan (15).

6. A reduction gear set for an automotive starter motor as defined in claim 1, wherein: The top of the fixed shell (2) is fixedly connected with a supporting block (16), and the top of the supporting block (16) is fixedly connected with a solenoid valve (17).

7. A reduction gear set for an automotive starter motor as defined in claim 1, wherein: The surface of the fixed shell (2) is sleeved with a positioning disc (18), and the surface of the positioning disc (18) is fixedly connected with four groups of external thread rings (19).

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