CN211371095U - Electric braking device for vehicle - Google Patents
Electric braking device for vehicle Download PDFInfo
- Publication number
- CN211371095U CN211371095U CN202021232137.7U CN202021232137U CN211371095U CN 211371095 U CN211371095 U CN 211371095U CN 202021232137 U CN202021232137 U CN 202021232137U CN 211371095 U CN211371095 U CN 211371095U
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- arc
- fixedly connected
- piece
- shell
- brake drum
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- 230000000694 effects Effects 0.000 abstract description 5
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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Abstract
The utility model discloses a vehicle electric braking device, which comprises an outer shell, the middle part of shell is provided with the through-hole, the through-hole runs through and is provided with the pivot, the lateral wall fixedly connected with brake drum of pivot, the outside of brake drum is provided with first arc, the inboard fixedly connected with brake block of first arc, the inboard of brake drum is provided with second arc and quantity and is two, the outside fixedly connected with brake block of second arc, the inside of shell and one side fixedly connected with driving motor at the brake drum, driving motor's one end is extended and is provided with the screw rod, the other end of screw rod runs through and is provided with the slider, screw rod and slider are threaded connection, the first piece that slides of sliding of the first one end lower part fixedly connected with of keeping away from driving motor of slider, first piece middle part that slides is provided with the recess. The utility model discloses in, be provided with two pairs of brake pads, can improve the effect of braking.
Description
Technical Field
The utility model relates to a vehicle braking field especially relates to a vehicle electric braking device.
Background
Braking refers to the stopping or slowing of a running locomotive, vehicle, other vehicle, machine, or the like. The general principle of braking is that a wheel or disk is fixed on the high-speed shaft of the machine, and a brake shoe, belt or disk matched with the wheel or disk is mounted on the machine base, so that the wheel or disk can produce braking torque under the action of external force.
The present types of brakes can be divided into drum brakes and disc brakes. The existing drum brake is provided with two semicircular brake pads in a wheel hub, the number of the brake pads is small, and the braking effect is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing an electric braking device for a vehicle.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a vehicle electric braking device comprises a shell, wherein a through hole is formed in the middle of the shell, a rotating shaft penetrates through the through hole, a brake drum is fixedly connected to the side wall of the rotating shaft, two first arc-shaped parts are arranged on the outer side of the brake drum, brake pads are fixedly connected to the inner side of the first arc-shaped parts, two second arc-shaped parts are arranged on the inner side of the brake drum, brake pads are fixedly connected to the outer side of the second arc-shaped parts, a driving motor is fixedly connected to the inner portion of the shell and one side of the brake drum, a screw rod is arranged at one end of the driving motor in an extending mode, a sliding block is arranged at the other end of the screw rod in a penetrating mode, the screw rod is in threaded connection with the sliding block, a first sliding part is fixedly connected to the lower portion of the sliding block, which is far away from the driving motor, a groove is formed in the middle of the first sliding part, and, the front end of the second sliding piece is wedge-shaped, a second fixing rod is fixedly connected to the side wall of the shell and the outer side of the brake drum, the second fixing rod is rotatably connected with the first arc-shaped piece, a first sliding piece is arranged at the other end of the first arc-shaped piece, and a spring is arranged between the first arc-shaped piece and the shell and close to the first sliding piece.
As a further description of the above technical solution:
the lateral wall of shell just is at the inboard fixedly connected with first dead lever of brake drum, first dead lever and second arc spare are for rotating the connection, the other end inboard of second arc spare is provided with the extension spring, the one end of second arc spare just is close to the extension spring and is provided with the second and slides the piece
As a further description of the above technical solution:
the lateral wall symmetry of slider is provided with the side, the inner wall of shell is provided with the spout, side and spout cooperation.
As a further description of the above technical solution:
and a bearing is arranged between the rotating shaft and the shell.
The utility model discloses following beneficial effect has:
the utility model discloses, start driving motor, the screw rod rotates, slide with screw rod screw-thread fit's slider, and slide first slide and the second and stretch out, first slide stretches out the back, the one end card of first arc slides the groove of piece at first, first arc slides a wedge under the effect of spring, push to the brake drum, first arc embraces the brake drum and closes, the brake block of first arc inboard and the lateral wall contact braking of brake drum, and simultaneously, the second slides a piece and stretches out, the second slides a wedge end and inserts between the second arc, make the second arc be close to the brake drum, and the brake block in the second arc outside and the inner wall contact braking of brake drum, through two pairs of brake blocks, can improve the effect of braking.
Drawings
Fig. 1 is a schematic view of an internal structure of an electric brake device for a vehicle according to the present invention;
fig. 2 is a schematic side sectional view of an electric brake device for a vehicle according to the present invention;
fig. 3 is a schematic structural view of a first sliding member and a second sliding member of an electric braking device for a vehicle according to the present invention.
Illustration of the drawings:
1. a housing; 2. a spring; 3. a first arcuate member; 4. a first runner; 5. a second runner; 6. a brake pad; 7. a tension spring; 8. a brake drum; 9. a second arcuate member; 10. a through hole; 11. a first fixing lever; 12. a second fixing bar; 13. a drive motor; 14. a screw; 15. a slider; 16. a side edge; 17. a chute; 18. a rotating shaft; 19. and a bearing.
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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, the present invention provides an embodiment: an electric braking device for a vehicle comprises a shell 1, wherein a through hole 10 is formed in the middle of the shell 1, a rotating shaft 18 penetrates through the through hole 10, a brake drum 8 is fixedly connected to the side wall of the rotating shaft 18, two first arc-shaped parts 3 are arranged on the outer side of the brake drum 8, brake pads 6 are fixedly connected to the inner side of the first arc-shaped parts 3, two second arc-shaped parts 9 are arranged on the inner side of the brake drum 8, the brake pads 6 are fixedly connected to the outer side of the second arc-shaped parts 9, a driving motor 13 is fixedly connected to one side of the brake drum 8 inside the shell 1, a screw 14 extends from one end of the driving motor 13, a sliding block 15 penetrates through the other end of the screw 14, the screw 14 and the sliding block 15 are in threaded connection, a first sliding part 4 is fixedly connected to the lower portion of one end, far away from the driving motor 13, of the sliding block 15, a groove is formed in the middle of the first sliding part 4, a second, the front end of the second sliding piece 5 is wedge-shaped, the side wall of the shell 1 is fixedly connected with a second fixing rod 12 on the outer side of the brake drum 8, the second fixing rod 12 is rotatably connected with the first arc-shaped piece 3, the other end of the first arc-shaped piece 3 is provided with a first sliding piece 4, and a spring 2 is arranged between the first arc-shaped piece 3 and the shell 1 and close to the first sliding piece 4.
The lateral wall of shell 1 and at the first dead lever 11 of the inboard fixedly connected with of brake drum 8, first dead lever 11 and second arc 9 are connected for rotating, the other end inboard of second arc 9 is provided with extension spring 7, the one end of second arc 9 just is provided with the second near extension spring 7 and slides a 5, the lateral wall symmetry of slider 15 is provided with side 16, the inner wall of shell 1 is provided with spout 17, side 16 and spout 17's setting, prevent that slider 15 from taking place to rotate along with screw rod 14, unable slip, side 16 and spout 17 cooperation, be provided with bearing 19 between pivot 18 and the shell 1.
The working principle is as follows: when the utility model is used, the driving motor 13 is started, the screw 14 rotates, the sliding block 15 which is in threaded fit with the screw 14 slides, the first sliding part 4 and the second sliding part 5 are extended, after the first sliding part 4 is extended, one end of the first arc-shaped part 3 is clamped at the groove of the first sliding part 4, the first arc-shaped part 3 is pushed to the brake drum 8 under the action of the spring 2, the first arc-shaped part 3 is clasped to the brake drum 8, the brake pad 6 at the inner side of the first arc-shaped part 3 is in contact braking with the outer side wall of the brake drum 8, meanwhile, the second sliding part 5 is extended, the wedge-shaped end of the second sliding part 5 is inserted between the second arc-shaped parts 9, so that the second arc-shaped part 9 is close to the brake drum 8, the brake pad 6 at the outer side of the second arc-shaped part 9 is in contact braking with the inner wall of the brake drum 8, the braking is released, the driving motor 13 is started reversely, the sliding block 15 drives the first sliding part, the front end card of first slide 4 is gone into between the first arc 3 to prop open first arc 3, make the inboard brake block 6 of first arc 3 and the separation of brake drum 8, second arc 9 resets under the effect of extension spring 7, makes the brake block 6 and the separation of brake drum 8 in the second arc 9 outside, accomplishes the braking and removes.
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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (4)
1. An electric braking device for vehicles, comprising a casing (1), characterized in that: the middle part of the shell (1) is provided with a through hole (10), the through hole (10) penetrates through a rotating shaft (18), the side wall of the rotating shaft (18) is fixedly connected with a brake drum (8), the outer side of the brake drum (8) is provided with two first arc-shaped parts (3), the inner side of each first arc-shaped part (3) is fixedly connected with a brake pad (6), the inner side of the brake drum (8) is provided with two second arc-shaped parts (9), the outer side of each second arc-shaped part (9) is fixedly connected with the brake pad (6), a driving motor (13) is fixedly connected with the inner part of the shell (1) and one side of the brake drum (8), one end of the driving motor (13) extends to form a screw rod (14), the other end of the screw rod (14) penetrates through a sliding block (15), and the screw rod (14) and the sliding block (15) are in threaded connection, the one end lower part fixedly connected with of keeping away from driving motor (13) of slider (15) slides piece (4), first slide piece (4) middle part is provided with the recess, the one end of slider (15) just slides piece (5) at the top fixedly connected with second of first slide piece (4), the front end that the second slided piece (5) is the wedge, the lateral wall of shell (1) just slides piece (12) at the outside fixedly connected with second of brake drum (8), second dead lever (12) and first arc piece (3) are connected for rotating, the other end of first arc piece (3) is provided with first slide piece (4), just be close to first slide piece (4) between first arc piece (3) and shell (1) and be provided with spring (2).
2. An electric brake apparatus for vehicle according to claim 1, characterized in that: the lateral wall of shell (1) just is in the inboard fixedly connected with first dead lever (11) of brake drum (8), first dead lever (11) and second arc spare (9) are connected for rotating, the other end inboard of second arc spare (9) is provided with extension spring (7), the one end of second arc spare (9) just is close to extension spring (7) and is provided with the second and slides piece (5).
3. An electric brake apparatus for vehicle according to claim 1, characterized in that: the lateral wall symmetry of slider (15) is provided with side (16), the inner wall of shell (1) is provided with spout (17), side (16) and spout (17) cooperation.
4. An electric brake apparatus for vehicle according to claim 1, characterized in that: and a bearing (19) is arranged between the rotating shaft (18) and the shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021232137.7U CN211371095U (en) | 2020-06-30 | 2020-06-30 | Electric braking device for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021232137.7U CN211371095U (en) | 2020-06-30 | 2020-06-30 | Electric braking device for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211371095U true CN211371095U (en) | 2020-08-28 |
Family
ID=72157711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021232137.7U Expired - Fee Related CN211371095U (en) | 2020-06-30 | 2020-06-30 | Electric braking device for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211371095U (en) |
-
2020
- 2020-06-30 CN CN202021232137.7U patent/CN211371095U/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: 20200828 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |