CN208216685U - A kind of drum brakes of installation easy to disassemble - Google Patents
A kind of drum brakes of installation easy to disassemble Download PDFInfo
- Publication number
- CN208216685U CN208216685U CN201820367032.9U CN201820367032U CN208216685U CN 208216685 U CN208216685 U CN 208216685U CN 201820367032 U CN201820367032 U CN 201820367032U CN 208216685 U CN208216685 U CN 208216685U
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- CN
- China
- Prior art keywords
- installation
- convex block
- drum
- main shaft
- positioning sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of drum brakes of installation easy to disassemble of drum brakes technical field, the right end circumferencial direction of the main shaft is provided with the identical locating convex block of four groups of structures, the inner cavity of the drum brake is provided with accommodation groove, the outer rim side of the positioning sleeve is provided with and accommodates the installation convex block that slot length matches, the two sides of the accommodation groove are provided with the block matched with assembling groove, the right end face of the drum brake is provided with and installs the installation slot that bump width matches, the installation slot is set as with horizontal line and vertical line being in the identical device of four groups of structures of 45 ° of angles, and angle is set as 90 ° between installation slot described in two groups.The utility model is reasonable in design, convenient for disassembly and assembly, while higher positioning function precision may be implemented, so that fit-up gap is smaller, drum brake good fixing effect ensure that the convenience of dismounting, also guarantee the intensity of connection simultaneously, it is smaller for the damage of part, it ensure that the integrality of part.
Description
Technical field
The utility model relates to drum brakes technical field, specially a kind of drum brakes of installation easy to disassemble.
Background technique
Electric vehicle is divided into alternating current electric vehicle and DC electric car.Usually said electric vehicle is using battery as energy
Source converts electrical energy into mechanical energy by components such as controller, motors, to control the car that the size of electric current changes speed.With
The development of social economy, condition of road surface have very big change, electric vehicle is pollution-free because its is light, meets the spies such as environmental requirement
Point, the deep welcome by market.Electric vehicle is divided into alternating current electric vehicle and DC electric car.Usually said electric vehicle is made with battery
Mechanical energy is converted electrical energy by components such as controller, motors for energy source, changes speed to control the size of electric current
Car.Even to this day, earth-shaking variation has had occurred in electric vehicle, and type is also varied.The driving method of electric vehicle
It is broadly divided into three kinds: one is firm formula driving is taken turns, one is middle driving, last a kind of suspension type driving, however, which is
Kind driving method, what most of electric vehicle was all made of is drum brakes, but the dismounting of existing drum brakes is not simple and easy enough,
It is easy to cause the damage of part during dismounting, or causes the matching gap of part excessive a series of problems, such as waiting, is
This, it is proposed that a kind of drum brakes of installation easy to disassemble.
Utility model content
The purpose of this utility model is to provide a kind of drum brakes of installation easy to disassemble, to solve above-mentioned background technique
The problem of middle proposition.
To achieve the above object, the utility model provides the following technical solutions: a kind of drum brakes of installation easy to disassemble,
Including main shaft, the right end circumferencial direction of the main shaft is provided with the identical locating convex block of four groups of structures, and the locating convex block is separate
The side of main shaft is nested positioning sleeve by spindle mounted hole, and the inner cavity of the positioning sleeve is provided with to match with locating convex block
The locating slot of conjunction, side of the positioning sleeve far from main shaft are nested drum brake by positioning sleeve pilot hole, the drum brake
Inner cavity is provided with accommodation groove, and the outer rim side of the positioning sleeve is provided with and accommodates the installation convex block that slot length matches, and institute
Installation convex block is stated to be uniformly arranged along the circumferencial direction of positioning sleeve as the identical device of four groups of structures, the two sides of the installation convex block
It is provided with assembling groove, brake rim is provided on the left of the drum brake, the two sides of the accommodation groove are provided with and assemble recessed
The right end face of the block that slot matches, the drum brake is provided with and installs the installation slot that bump width matches, the peace
Slot is plugged to be set as with horizontal line and vertical line being in 450The identical device of four groups of structures of angle, and installation described in two groups is inserted
Angle is set as 90 between slot0。
Preferably, the drum brake left side top is provided with the card slot matched with brake rim.
Preferably, the accommodation groove inner cavity is provided with rubber pad, and the decorative pattern of matrix arrangement is provided on rubber pad.
Preferably, the surface of the installation convex block and locating convex block is provided with wearing layer.
Preferably, the width of the assembling groove and the width of block are mutually matched.
Preferably, the junction of the brake rim and main shaft is provided with axle envelope.
Compared with prior art, the utility model has the beneficial effects that
The utility model is simple and reasonable, easy to use, convenient for disassembly and assembly, while higher positioning function essence may be implemented
Degree, so that fit-up gap is smaller, drum brake good fixing effect, when brake, will not rotate, so that Main Shaft Service Life increases, adopt
The positioning of spline, the bearing capacity after positioning is higher, matches peace simultaneously by the way that accommodation groove is arranged in drum brake inner cavity
Dress convex block ensure that the convenience of dismounting, while also guarantee the intensity of connection, smaller for the damage of part, ensure that part
Integrality is conducive to secondary use, reduces the cost of user.
Detailed description of the invention
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is the utility model right view structural schematic diagram；
Fig. 3 is the utility model locating sleeve structure schematic diagram；
Fig. 4 is the utility model drum brake structural schematic diagram.
In figure: 1 main shaft, 2 brake rims, 3 locating convex blocks, 4 positioning sleeves, 5 installation convex blocks, 6 drum brakes, 7 accommodation grooves, 8 locating slots,
9 installation slots, 10 spindle mounted holes, 11 assembling grooves, 12 positioning sleeve pilot holes, 13 card slots, 14 blocks.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-4 is please referred to, the utility model provides a kind of technical solution: a kind of drum brakes of installation easy to disassemble, packet
Main shaft 1 is included, the right end circumferencial direction of main shaft 1 is provided with the identical locating convex block 3 of four groups of structures, and locating convex block 3 is far from main shaft 1
Side is nested positioning sleeve 4 by spindle mounted hole 10, and the inner cavity of positioning sleeve 4 is provided with to be matched with locating convex block 3
Locating slot 8, side of the positioning sleeve 4 far from main shaft 1 are nested drum brake 6 by positioning sleeve pilot hole 12, and the inner cavity of drum brake 6 is set
It is equipped with accommodation groove 7, the outer rim side of positioning sleeve 4 is provided with the installation convex block 5 matched with 7 length of accommodation groove, and installs convex block 5
It is uniformly arranged along the circumferencial direction of positioning sleeve 4 as the identical device of four groups of structures, the two sides for installing convex block 5 are provided with assembly
Groove 11, the left side of drum brake 6 are provided with brake rim 2, and the two sides of accommodation groove 7 are provided with the block matched with assembling groove 11
14, the right end face of drum brake 6 is provided with and installs the installation slot 9 that 5 width of convex block matches, and installation slot 9 is set as and water
Horizontal line and vertical line are in 450The identical device of four groups of structures of angle, and angle is set as 90 between two groups of installation slots 90。
Wherein, 6 left side top of drum brake is provided with the card slot 13 matched with brake rim 2, can be guaranteed by this set
The stability connected between drum brake 6 and brake rim 2,7 inner cavity of accommodation groove are provided with rubber pad, and matrix row is provided on rubber pad
The decorative pattern of column, can guarantee the cushion performance for installing convex block 5 by this set, and the surface for installing convex block 5 and locating convex block 3 is equal
It is provided with wearing layer, the frictional dissipation of installation convex block 5 and locating convex block 3 can be slowed down by this set, be conducive to improve it
Service life, the width of assembling groove 11 and the width of block 14 are mutually matched, and can guarantee that block 14 can be right by this set
Installation convex block 5 plays the role of limit, and the junction of brake rim 2 and main shaft 1 is provided with axle envelope, can be prevented by this set
Extraneous dust penetrates into brake rim 2.
Working principle: when in use, main shaft 1 and brake rim 2 cooperate the device, and then positioning sleeve 4 is filled by main shaft
Distribution 10 carries out nesting, and locating convex block 3 and locating slot 8 cooperate, and then fills drum brake 6 by positioning sleeve pilot hole 12
Match, meanwhile, installation convex block 5 injects installation slot 9, and convex block 5 to be installed enters in accommodation groove 7, then carries out clockwise 450Rotation
Turn, block 14 and assembling groove 11 cooperate, and limit to installation convex block 5, at the same time 2 phase interworking of card slot 13 and brake rim
It closes, the installation of drum brake 6 can be completed.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of drum brakes of installation easy to disassemble, including main shaft (1), it is characterised in that: the right end circumference of the main shaft (1)
Direction is provided with the identical locating convex block (3) of four groups of structures, and the locating convex block (3) passes through main shaft far from the side of main shaft (1)
Pilot hole (10) is nested positioning sleeve (4), and the inner cavity of the positioning sleeve (4), which is provided with, to be matched with locating convex block (3)
Locating slot (8), side of the positioning sleeve (4) far from main shaft (1) are nested drum brake by positioning sleeve pilot hole (12)
(6), the inner cavity of the drum brake (6) is provided with accommodation groove (7), and the outer rim side of the positioning sleeve (4) is provided with and accommodation groove (7)
The installation convex block (5) that length matches, and it is four that installation convex block (5) is uniformly arranged along the circumferencial direction of positioning sleeve (4)
The two sides of the identical device of group structure, installation convex block (5) are provided with assembling groove (11), the left side of the drum brake (6)
It is provided with brake rim (2), the two sides of the accommodation groove (7) are provided with the block (14) matched with assembling groove (11), institute
The right end face for stating drum brake (6) is provided with and installs the installation slot (9) that convex block (5) width matches, the installation slot (9)
Be set as with horizontal line and vertical line being in the identical device of four groups of structures of 45 ° of angles, and installation slot (9) described in two groups it
Between angle be set as 90 °.
2. a kind of drum brakes of installation easy to disassemble according to claim 1, it is characterised in that: the drum brake (6) is left
Lateral roof is provided with the card slot (13) matched with brake rim (2).
3. a kind of drum brakes of installation easy to disassemble according to claim 1, it is characterised in that: the accommodation groove (7)
Inner cavity is provided with rubber pad, and the decorative pattern of matrix arrangement is provided on rubber pad.
4. a kind of drum brakes of installation easy to disassemble according to claim 1, it is characterised in that: the installation convex block
(5) and the surface of locating convex block (3) is provided with wearing layer.
5. a kind of drum brakes of installation easy to disassemble according to claim 1, it is characterised in that: the assembling groove
(11) width of width and block (14) is mutually matched.
6. a kind of drum brakes of installation easy to disassemble according to claim 1, it is characterised in that: the brake rim (2)
The junction of main shaft (1) is provided with axle envelope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820367032.9U CN208216685U (en) | 2018-03-19 | 2018-03-19 | A kind of drum brakes of installation easy to disassemble |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820367032.9U CN208216685U (en) | 2018-03-19 | 2018-03-19 | A kind of drum brakes of installation easy to disassemble |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208216685U true CN208216685U (en) | 2018-12-11 |
Family
ID=64531725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820367032.9U Expired - Fee Related CN208216685U (en) | 2018-03-19 | 2018-03-19 | A kind of drum brakes of installation easy to disassemble |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208216685U (en) |
-
2018
- 2018-03-19 CN CN201820367032.9U patent/CN208216685U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181211 Termination date: 20190319 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |