CN204137275U - A kind of brake disc mounting structure of battery-driven car - Google Patents
A kind of brake disc mounting structure of battery-driven car Download PDFInfo
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- CN204137275U CN204137275U CN201420513090.XU CN201420513090U CN204137275U CN 204137275 U CN204137275 U CN 204137275U CN 201420513090 U CN201420513090 U CN 201420513090U CN 204137275 U CN204137275 U CN 204137275U
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- brake disc
- chain stay
- rear chain
- protruding
- battery
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Abstract
The utility model provides a kind of brake disc mounting structure of battery-driven car, belongs to vehicle technology field.It solve the problem how making the location of brake disc convenient.This battery-driven car comprises wheel hub motor, rear chain stay and motor shaft, rear chain stay is positioned at the outside of wheel hub motor, wheel hub motor is fixed on rear chain stay by motor shaft, the outer ring of wheel hub motor is fixed with brake drum, the end sleeve of brake drum is provided with brake disc, brake disc is between wheel hub motor and rear chain stay, mounting structure comprises the boss be positioned on brake disc lateral surface, boss is resisted against on the medial surface of rear chain stay, in boss, there is motor axis hole, rear chain stay has mounting hole, motor shaft is through motor axis hole and mounting hole, the end thread of motor shaft is connected with jam nut, jam nut is resisted against on the lateral surface of rear chain stay, the lateral surface of brake disc has protruding one and protruding two, be formed with recess between protruding one and protruding two, rear chain stay is positioned at recess, makes brake disc locate so convenient.
Description
Technical field
The utility model belongs to vehicle technology field, relates to a kind of brake disc mounting structure of battery-driven car.
Background technology
The brake of battery-driven car is the key ensureing battery-driven car safety traffic, and drum is stopped because structure is simple, good reliability, cost are low, is widely used on battery-driven car.It is the abbreviation of drum brakes that drum is stopped, and utilizes brake facing static in brake drum exactly, removes the brake drum rubbed along with vehicle wheel rotation, to produce the brake gear that the friction force speed that turns a wheel reduces.Stop lid arranged outside one rocking arm to control the enlargement and contraction of brake facing at drum, and rocking arm is connected with the brake crank be arranged in tap handle by brake bracing wire, is realized the brake of battery-driven car by control handle.In prior art, drum is stopped and is generally arranged on electromobile frame, lengthens empennage, empennage is provided with fixed orifice by the main body of stopping at drum, by nut empennage is fixed on circumference location frame realizing drum and stop.
As Chinese patent, [application number is: 201120141142.1; Authorization Notice No. is: CN202065381U] disclose a kind of rear drum brake of electric vehicle, it is made up of lid of stopping, hoof block group, centering spindle, camshaft, bottom bracket axle, rocking arm, extension spring, torsion spring, contact pin, friction lining, it is characterized in that, stopping, lid one side end has radius stay knock hole, for installation radius stay, rear drum brake of electric vehicle can be installed on electromobile frame, thus realize the location of rear drum brake of electric vehicle.
But there is following defect in the mounting structure of above-mentioned rear drum brake of electric vehicle: in order to realize the circumference location that drum is stopped, the radius stay matched with above-mentioned knock hole need be arranged on vehicle frame, which increase the manufacture difficulty of vehicle frame, make the structure of vehicle frame more complicated; , be connected by nut between knock hole and radius stay meanwhile, because nut easily loosens, easily cause rousing displacement of stopping, thus electric vehicle brake is impacted, driving is worked the mischief, and nut dismounting trouble, be unfavorable for the assembling that drum is stopped and maintenance.
Summary of the invention
The purpose of this utility model there are the problems referred to above for existing technology, proposes a kind of brake disc mounting structure of battery-driven car, and the technical matters that the utility model solves how to make the location of brake disc convenient.
The purpose of this utility model realizes by following technical proposal: a kind of brake disc mounting structure of battery-driven car, described battery-driven car comprises wheel hub motor, rear chain stay and motor shaft, described rear chain stay is positioned at the outside of described wheel hub motor, described wheel hub motor is fixed on rear chain stay by motor shaft, the outer ring of described wheel hub motor is fixed with brake drum, the end sleeve of described brake drum is provided with brake disc, described brake disc is between wheel hub motor and rear chain stay, it is characterized in that, described brake disc mounting structure comprises the boss be positioned on brake disc lateral surface, described boss is against on the medial surface of chain stay in the rear, in described boss, there is motor axis hole, described rear chain stay has mounting hole, described motor shaft is through described motor axis hole and described mounting hole, the end thread of described motor shaft is connected with jam nut, described jam nut is resisted against on the lateral surface of rear chain stay, the lateral surface of described brake disc has protruding one and be formed with recess with between protruding two, described protruding one and protruding two, described rear chain stay is positioned at described recess.
The principle of work of the brake disc mounting structure of this battery-driven car is: the axial location of brake disc is resisted against on rear chain stay by the boss on brake disc lateral surface, the medial surface of brake disc is resisted against the end of brake drum, rear chain stay and brake disc axial locking is made again by jam nut, thus realize brake disc axial location, and solid and reliable; The circumference location of brake disc is the recess by being arranged on brake disc, rear chain stay is connected in recess, the rotation of circumference would not be there is in such brake disc, thus realize the circumference location of brake disc, this brake disc mounting structure does not need to arrange extra location structure on rear chain stay, only rear chain stay need be placed in recess and just can realize circumference location, circumference location is simple, convenient.
In the brake disc mounting structure of above-mentioned battery-driven car, described protruding one and the described shape of protruding two be wedge shape, described recess is wide at the top and narrow at the bottom, and described rear chain stay is embedded in described recess.Recess is wide at the top and narrow at the bottom to be conducive to rear chain stay and to be embedded in recess.
In the brake disc mounting structure of above-mentioned battery-driven car, the lateral surface of described rear chain stay has groove, connection cushion block is provided with in described groove, described connection cushion block is between described jam nut and rear chain stay, one end of described connection cushion block is bolted on rear chain stay, the other end of described connection cushion block has through hole, and described motor shaft is through described through hole, and described jam nut is resisted against on described connection cushion block.By arranging connection cushion block, can prevent jam nut from loosening; Meanwhile, connect the Joint strenght that cushion block also can strengthen rear chain stay, dispersion jam nut to the pressure of rear chain stay, thus makes the axial location of brake disc more reliable.
In the brake disc mounting structure of above-mentioned battery-driven car, between described boss and rear chain stay, be provided with packing ring.Packing ring can disperse boss to the pressure of rear chain stay, thus prevents rear chain stay be squeezed and be out of shape.
In the brake disc mounting structure of above-mentioned battery-driven car, the lateral surface of described brake disc is provided with rocking arm and protruding three, has brake through wires hole in described protruding three.Be equipped with brake cable in through wires hole, brake cable one end is connected on rocking arm, and the other end is connected with handle.
In the brake disc mounting structure of above-mentioned battery-driven car, described brake disc medial surface is fixed with the half-turn of stopping that rises, the end of described brake drum described rise stop half-turn and described brake disc inwall between, described in rise half-turn of stopping can be resisted against on the inwall of described brake drum.By controlling the degree of tightness of half-turn of stopping that rises, realize the brake of motor wheel hub.
Compared with prior art, the brake disc mounting structure of this battery-driven car has the following advantages: by arranging connection cushion block on rear chain stay, makes the axial location of brake disc more reliable; By arranging recess on brake disc, make brake disc circumference location more simple and convenient.
Accompanying drawing explanation
Fig. 1 is the local structure schematic diagram of this battery-driven car.
Fig. 2 is the structural representation of wheel hub motor in this battery-driven car.
Fig. 3 is the structural representation in a brake disc direction of this battery-driven car.
Fig. 4 is the structural representation in another direction of brake disc of this battery-driven car.
Fig. 5 is the local structure schematic diagram of rear chain stay in this battery-driven car.
In figure, 1, wheel hub motor; 2, rear chain stay; 21, groove; 3, motor shaft; 4, brake drum; 5, brake disc; 51, boss; 52, motor axis hole; 53, protruding one; 54, protruding two; ; 55, protruding three; 551, brake through wires hole; 6, jam nut; 7, cushion block is connected; 71, through hole; 8, rocking arm; 9, rise half-turn of stopping.
Detailed description of the invention
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
This battery-driven car comprises wheel hub motor 1, rear chain stay 2, groove 21, motor shaft 3, brake drum 4, brake disc 5, boss 51, motor axis hole 52, projection 1, projection 2 54, projection 3 55, brake through wires hole 551, jam nut 6, connection cushion block 7, through hole 71, rocking arm 8, rise half-turn 9 of stopping.
Specifically, as shown in Figure 1, this battery-driven car comprises wheel hub motor 1, rear chain stay 2 and motor shaft 3, rear chain stay 2 is positioned at the outside of wheel hub motor 1, wheel hub motor 1 is fixed on rear chain stay 2 by motor shaft 3, as shown in Figure 2, the outer ring of wheel hub motor 1 is fixed with brake drum 4, the end sleeve of brake drum 4 is provided with brake disc 5, brake disc 5 is between wheel hub motor 1 and rear chain stay 2, the medial surface of brake disc 5 is resisted against on the end of brake drum 4, brake disc mounting structure comprises the boss 51 be positioned on brake disc 5 lateral surface, boss 51 is resisted against on the medial surface of rear chain stay 2, there is in boss 51 motor axis hole 52, rear chain stay 2 have the mounting hole relative with motor shaft 3, packing ring is provided with between boss 51 and rear chain stay 2, motor shaft 3 is through motor axis hole 52, packing ring and mounting hole, the threaded one end that motor shaft 3 exposes is connected with jam nut 6, jam nut 6 is resisted against on the lateral surface of rear chain stay 2, as shown in Figure 3, the lateral surface of brake disc 5 has the projection 1 in wedge shape and protruding 2 54, recess is wide at the top and narrow at the bottom, and be formed with recess between protruding 1 and protruding 2 54, rear chain stay 2 is embedded in recess.In addition, the inner side of protruding 1 and protruding 2 54 has anti-skidding striped respectively, and anti-skidding striped can increase friction force, can prevent from because of battery-driven car vibrations, rear chain stay 2 being moved with brake disc 5.
As shown in Figures 3 and 4, the lateral surface of brake disc 5 is provided with rocking arm 8 and protruding 3 55, has brake through wires hole 551 in protruding 3 55.Brake disc 5 medial surface is fixed with the half-turn 9 of stopping that rises, the end of brake drum 4 rise stop half-turn 9 and brake disc 5 inwall between, the half-turn 9 of stopping of rising can be resisted against on the inwall of brake drum 4.As shown in Figure 5, the lateral surface of vehicle frame has groove 21, be provided with in groove 21 and connect cushion block 7, connect cushion block 7 between jam nut 6 and vehicle frame, the one end connecting cushion block 7 is bolted on vehicle frame, the other end connecting cushion block 7 has through hole 71, and motor shaft 3 is through through hole 71, and jam nut 6 is resisted against and connects on cushion block 7.
The installation process of the brake disc 5 of this battery-driven car is as follows: be first set in by brake disc 5 on the end of brake drum 4, and make motor shaft 3 pass motor axis hole 52, overlap upper gasket again, then the connection cushion block 7 passing rear chain stay 2 and be fixed in rear chain stay 2 groove 21, now, the angle of adjustment brake disc 5 makes rear chain stay 2 be embedded in recess, thus realize circumference location, locking is screwed again by jam nut 6, rear chain stay 2 is locked with brake disc 5, thus realizing the axial location of brake disc 5, the installation positioning action of this brake disc 5 is simple and reliable, and convenient.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Although more employ wheel hub motor 1, rear chain stay 2, groove 21, motor shaft 3, brake drum 4, brake disc 5, boss 51, motor axis hole 52, projection 1, projection 2 54, projection 3 55, brake through wires hole 551, jam nut 6 herein, connect cushion block 7, through hole 71, rocking arm 8, rise the terms such as half-turn 9 of stopping, and do not get rid of the possibility of other term of use.These terms are used to be only used to describe and explain essence of the present utility model more easily; The restriction that they are construed to any one additional is all contrary with the utility model spirit.
Claims (6)
1. the brake disc mounting structure of a battery-driven car, described battery-driven car comprises wheel hub motor (1), rear chain stay (2) and motor shaft (3), described rear chain stay (2) is positioned at the outside of described wheel hub motor (1), described wheel hub motor (1) is fixed on rear chain stay (2) by motor shaft (3), the outer ring of described wheel hub motor (1) is fixed with brake drum (4), the end sleeve of described brake drum (4) is provided with brake disc (5), described brake disc (5) is positioned between wheel hub motor (1) and rear chain stay (2), it is characterized in that, described brake disc mounting structure comprises the boss (51) be positioned on brake disc (5) lateral surface, described boss (51) is against on the medial surface of chain stay (2) in the rear, there is in described boss (51) motor axis hole (52), described rear chain stay (2) has mounting hole, described motor shaft (3) is through described motor axis hole (52) and described mounting hole, the end thread of described motor shaft (3) is connected with jam nut (6), described jam nut (6) is resisted against on the lateral surface of rear chain stay (2), the lateral surface of described brake disc (5) have protruding one (53) and protruding two (54), be formed with recess between described protruding one (53) and protruding two (54), described rear chain stay (2) is positioned at described recess.
2. the brake disc mounting structure of battery-driven car according to claim 1, it is characterized in that, described protruding one (53) and the described protruding shape of two (54) be wedge shape, described recess is wide at the top and narrow at the bottom, and described rear chain stay (2) is embedded in described recess.
3. the brake disc mounting structure of battery-driven car according to claim 1 and 2, it is characterized in that, the lateral surface of described rear chain stay (2) has groove (21), be provided with in described groove (21) and connect cushion block (7), described connection cushion block (7) is positioned between described jam nut (6) and rear chain stay (2), one end of described connection cushion block (7) is bolted on rear chain stay (2), the other end of described connection cushion block (7) has through hole (71), described motor shaft (3) is through described through hole (71), described jam nut (6) is resisted against on described connection cushion block (7).
4. the brake disc mounting structure of battery-driven car according to claim 1 and 2, is characterized in that, is provided with packing ring between described boss (51) and rear chain stay (2).
5. the brake disc mounting structure of battery-driven car according to claim 1 and 2, it is characterized in that, the lateral surface of described brake disc (5) is provided with rocking arm (8) and protruding three (55), has brake through wires hole (551) in described protruding three (55).
6. the brake disc mounting structure of battery-driven car according to claim 1 and 2, it is characterized in that, described brake disc (5) medial surface is fixed with the half-turn (9) of stopping that rises, rise described in the end of described brake drum (4) is positioned at stop half-turn (9) and described brake disc (5) inwall between, described in rise half-turn (9) of stopping can be resisted against on the inwall of described brake drum (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420513090.XU CN204137275U (en) | 2014-09-05 | 2014-09-05 | A kind of brake disc mounting structure of battery-driven car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420513090.XU CN204137275U (en) | 2014-09-05 | 2014-09-05 | A kind of brake disc mounting structure of battery-driven car |
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| Publication Number | Publication Date |
|---|---|
| CN204137275U true CN204137275U (en) | 2015-02-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420513090.XU Expired - Fee Related CN204137275U (en) | 2014-09-05 | 2014-09-05 | A kind of brake disc mounting structure of battery-driven car |
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| CN (1) | CN204137275U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107776803A (en) * | 2017-11-15 | 2018-03-09 | 台州市金宇机电有限公司 | A kind of electric car horseshoe clamp fork mouth device for limiting |
-
2014
- 2014-09-05 CN CN201420513090.XU patent/CN204137275U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107776803A (en) * | 2017-11-15 | 2018-03-09 | 台州市金宇机电有限公司 | A kind of electric car horseshoe clamp fork mouth device for limiting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150204 Termination date: 20190905 |