CN218316266U - Power-off mechanism for hydraulic oil brake of electric vehicle - Google Patents
Power-off mechanism for hydraulic oil brake of electric vehicle Download PDFInfo
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- CN218316266U CN218316266U CN202222978546.7U CN202222978546U CN218316266U CN 218316266 U CN218316266 U CN 218316266U CN 202222978546 U CN202222978546 U CN 202222978546U CN 218316266 U CN218316266 U CN 218316266U
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Abstract
The utility model discloses a power-off mechanism of electric motor car hydraulic oil brake relates to the relevant technical field of hydraulic oil brake, including the guide pillar that is used for responding to the change of oil brake oil pressure, the stop gear that is used for spacing support to the guide pillar and the response trigger gear that is used for triggering the power-off control, the stop gear includes the shell body, the inner wall of shell body has seted up the mounting groove, the inner wall threaded connection of mounting groove has the inner casing, the guide pillar sliding connection is in the inner wall of inner casing, the inner casing is connected with the oil-out fixed connection of oil brake, the bottom of guide pillar extends to in the oil-out port; the utility model provides a power-off mechanism, it sets up in the position that hydraulic oil stopped the oil-out, and the installation is dismantled conveniently, is convenient for change the maintenance, and simple structure low in manufacturing cost itself, is difficult for breaking down.
Description
Technical Field
The utility model relates to a hydraulic oil is stopped relevant technical field, specifically is an electric motor car hydraulic oil outage mechanism of stopping.
Background
The working principle of the hydraulic brake of the electric vehicle is as follows: when braking, the oil in the oil pump generates pressure to control the brake disc to start and brake the vehicle. When the brake is operated, the power supply of the motor is generally required to be cut off through the power-off mechanism, so that the stability of the brake is ensured, and unnecessary energy loss is avoided.
The existing power-off mechanism is usually arranged near a brake handle so as to synchronously power off during braking, but the power-off mechanism is arranged in a vehicle shell in such a way, so that the power-off mechanism is inconvenient to maintain and replace, and the installation operation is complex during production and assembly, so that improvement is needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a outage mechanism that electric motor car hydraulic oil was stopped to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a power-off mechanism of a hydraulic oil brake of an electric vehicle comprises a guide pillar for sensing the oil pressure change of the oil brake, a limiting mechanism for limiting and supporting the guide pillar and a sensing trigger mechanism for triggering power-off control, wherein the limiting mechanism comprises an outer shell, a two-core socket is fixedly mounted at the top of the outer shell, and the two-core socket is used for being plugged with an external signal wire and is used for transmitting a control signal and triggering the power-off of the electric vehicle;
the inner wall of the outer shell is provided with a mounting groove, the inner wall of the mounting groove is in threaded connection with an inner shell, the guide pillar is connected to the inner wall of the inner shell in a sliding manner, the inner shell is fixedly connected with an oil outlet of the oil brake, and the bottom of the guide pillar extends into the oil outlet;
the top of the guide post is fixedly connected with a trigger piece, and the top of the trigger piece is fixedly connected with a trigger block; the induction trigger mechanism comprises a circuit board arranged on the inner wall of the mounting groove, the edge of the bottom of the circuit board is abutted against the top of the inner shell, a trigger button is fixedly arranged in the middle of the bottom of the circuit board, a rubber sealing gasket is fixedly connected in the middle of the inner shell, and the trigger block and the trigger button are respectively arranged on two sides of the rubber sealing gasket and are arranged correspondingly;
the bottom of the outer wall of the guide pillar is fixedly connected with a limiting ring, the diameter of the guide pillar is matched with the inner diameter of the oil outlet, and the diameter of the limiting ring is slightly larger than that of the guide pillar;
the outer wall of the inner shell is provided with a threaded groove, and the side wall of the oil outlet is provided with a threaded opening corresponding to the threaded groove, so that the whole installation operation of the device is facilitated.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a power-off mechanism, it sets up in the position of hydraulic oil-stopping outlet, and the installation is dismantled conveniently, is convenient for change the maintenance, and the simple structure of itself low in manufacturing cost, difficult trouble; according to the electric vehicle hydraulic brake device, when the hydraulic oil in a hydraulic oil brake loop rises during braking, the jacking guide pillar moves to push and press the trigger button, and the power-off signal is triggered to disconnect the power supply of the electric vehicle, so that the state of the hydraulic oil brake working device is directly detected, and the detection sensitivity is better; the inner shell is sealed by arranging the rubber sealing gasket, hydraulic oil leakage is prevented, elastic deformation of the rubber sealing gasket is utilized, the guide pillar is pushed to reset after the brake is loosened, and continuous work of the device is achieved.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a cross-sectional view of the present invention.
In the figure: 1. an outer housing; 2. a two-core socket; 3. an inner housing; 4. a guide post; 5. a limiting ring; 6. a trigger piece; 7. a rubber sealing gasket; 8. a circuit board; 9. the button is activated.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 efforts all belong to the protection scope of the present invention.
Referring to fig. 1-2, in an embodiment of the present invention, an electric vehicle hydraulic oil brake power-off mechanism includes a guide pillar 4 for sensing oil brake oil pressure change, a limiting mechanism for limiting and supporting the guide pillar 4, and a sensing trigger mechanism for triggering power-off control, where the limiting mechanism includes an outer housing 1, a two-core socket 2 is fixedly installed at the top of the outer housing 1, and the two-core socket 2 is used for plugging a peripheral signal line for transmitting a control signal and triggering power-off of an electric vehicle; the inner wall of the outer shell 1 is provided with a mounting groove, the inner wall of the mounting groove is in threaded connection with an inner shell 3, a guide pillar 4 is in sliding connection with the inner wall of the inner shell 3, the inner shell 3 is fixedly connected with an oil outlet of an oil brake, and the bottom of the guide pillar 4 extends into the oil outlet; the power-off mechanism is arranged at the position of the hydraulic oil brake oil outlet, is convenient to mount and dismount, is convenient to replace and maintain, has a simple structure, is low in manufacturing cost, and is not prone to failure;
the top of the guide post 4 is fixedly connected with a trigger piece 6, and the top of the trigger piece 6 is fixedly connected with a trigger block; the induction trigger mechanism comprises a circuit board 8 arranged on the inner wall of the mounting groove, the edge of the bottom of the circuit board 8 is abutted against the top of the inner shell 3, a trigger button 9 is fixedly arranged in the middle of the bottom of the circuit board 8, a rubber sealing gasket 7 is fixedly connected in the middle of the inner shell 3, and a trigger block and the trigger button 9 are respectively arranged on two sides of the rubber sealing gasket 7 and are arranged correspondingly; the inner shell 3 is sealed by arranging the rubber sealing gasket 7, hydraulic oil leakage is prevented, and meanwhile, the rubber sealing gasket 7 per se is used for pushing the guide post 4 to reset after the brake is released, so that the continuous work of the device is realized;
in order to improve the stability of the guide post 4 during sliding displacement, the bottom of the outer wall of the guide post 4 is fixedly connected with a limiting ring 5, the diameter of the guide post 4 is matched with the inner diameter of the oil outlet, and the diameter of the limiting ring 5 is slightly larger than that of the guide post 4;
in order to facilitate the connection and installation of the whole device and the oil brake, the outer wall of the inner shell 3 is provided with a threaded groove, and the side wall of the oil outlet is provided with a threaded port at a position corresponding to the threaded groove, so that the whole device is convenient to install and operate.
When the utility model is used, the bottom of the inner shell 3 is inserted into the oil outlet hole, so that the thread groove is aligned with the thread opening, and then the bolt passes through the thread opening to be butted with the thread groove, thus completing the installation and fixation of the device and the oil brake, and plugging the signal wire of the external power-off control mechanism with the two-core socket 2;
when the brake operation is carried out, the hydraulic oil brake is triggered to enable the oil pressure in the internal loop to rise, the jacking guide pillar 4 moves, the top of the guide pillar 4 pushes the rubber sealing gasket to deform and pushes the trigger button 9, a power-off signal is triggered and transmitted to the power-off control mechanism along a signal line, and the power supply of the electric vehicle is cut off; when the brake is released, the pressure in the oil brake is recovered to be normal, and the guide post 4 is reset under the action of the rubber sealing gasket 7.
The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or exceeding the scope of the invention as defined in the claims.
Claims (5)
1. The utility model provides an outage mechanism that electric motor car hydraulic oil was stopped, its characterized in that, including be used for response oil to stop guide pillar (4) that the oil pressure changes, be used for carrying out spacing stop gear who supports guide pillar (4) and be used for triggering the response trigger mechanism of outage control, stop gear includes shell body (1), the mounting groove has been seted up to the inner wall of shell body (1), the inner wall threaded connection of mounting groove has interior casing (3), guide pillar (4) sliding connection is in interior casing (3), the oil-out fixed connection that interior casing (3) and oil were stopped, the bottom of guide pillar (4) extends to in the oil outlet.
2. The power-off mechanism of the hydraulic brake of the electric vehicle as claimed in claim 1, wherein the top of the guide post (4) is fixedly connected with a trigger piece (6), and the top of the trigger piece (6) is fixedly connected with a trigger block; the induction trigger mechanism comprises a circuit board (8) arranged on the inner wall of the mounting groove, a trigger button (9) is fixedly mounted at the bottom of the circuit board (8), and a rubber sealing gasket (7) is fixedly connected to the middle of the inner shell (3).
3. The power-off mechanism of the hydraulic brake of the electric vehicle as claimed in claim 1, wherein a two-core socket (2) for plugging a signal line is fixedly installed at the top of the outer shell (1).
4. The power-off mechanism of the hydraulic brake of the electric vehicle as claimed in claim 1, wherein the bottom of the outer wall of the guide post (4) is fixedly connected with a limiting ring (5).
5. The power-off mechanism of the hydraulic brake of the electric vehicle as claimed in claim 1, wherein the outer wall of the inner housing (3) is provided with a threaded groove, and the side wall of the oil outlet is provided with a threaded opening corresponding to the threaded groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222978546.7U CN218316266U (en) | 2022-11-09 | 2022-11-09 | Power-off mechanism for hydraulic oil brake of electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222978546.7U CN218316266U (en) | 2022-11-09 | 2022-11-09 | Power-off mechanism for hydraulic oil brake of electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218316266U true CN218316266U (en) | 2023-01-17 |
Family
ID=84828703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222978546.7U Active CN218316266U (en) | 2022-11-09 | 2022-11-09 | Power-off mechanism for hydraulic oil brake of electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218316266U (en) |
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2022
- 2022-11-09 CN CN202222978546.7U patent/CN218316266U/en active Active
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