CN214450869U - Brake pedal locking mechanism and tractor service brake pedal - Google Patents
Brake pedal locking mechanism and tractor service brake pedal Download PDFInfo
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- CN214450869U CN214450869U CN202120348430.8U CN202120348430U CN214450869U CN 214450869 U CN214450869 U CN 214450869U CN 202120348430 U CN202120348430 U CN 202120348430U CN 214450869 U CN214450869 U CN 214450869U
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- limiting groove
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Abstract
The utility model relates to a brake pedal locking mechanism and tractor service brake pedal. The brake pedal locking mechanism is arranged on the two brake pedal assemblies and comprises a connecting pin and a limiting sleeve, wherein the connecting pin penetrates through the limiting sleeve and can move along the axial direction of the limiting sleeve; the front end of the limiting sleeve is fixedly connected with one brake pedal assembly, and the rear end of the limiting sleeve is provided with a first limiting groove and a second limiting groove; a limiting rod is arranged on the connecting pin and is close to the rear end of the connecting pin; the limiting rod can move into the first limiting groove and abut against the inner wall of the first limiting groove to drive the front end of the connecting pin to be connected with the other brake pedal assembly into a whole, or move into the second limiting groove and abut against the inner wall of the second limiting groove to drive the front end of the connecting pin to be separated from the other brake pedal assembly. The movement of the connecting pin between the two limiting grooves is easy to control, so that the connection and separation processes between the two brake pedal assemblies are simpler, more accurate and quicker.
Description
Technical Field
The utility model relates to a tractor field particularly, relates to a brake pedal locking mechanism and tractor service brake pedal.
Background
The left pedal and the right pedal of the tractor during service braking have two states of mutual locking and separation so as to meet the use requirements under different working conditions.
Among the prior art, locking means has between the tractor brake pedal assembly, and main locking structure is for cooperating between the locking hole on footboard connecting pin and the footboard, realizes fixed connection and separation between two footboards through the flexible and joint messenger of connecting pin. But mainly has the following defects: firstly, due to the arrangement of the clamping groove, the fixing and separating operations cannot be accurately realized, and a driver needs to stop the tractor and then operate the tractor, so that the operation process is complex and the efficiency is low; when the brake pedal assembly is in a locking state and a separating state, the pedal connecting pin is in a free state in a certain range in the axial direction, and the phenomenon of vibration and abnormal sound can occur when the tractor runs in a bumpy mode; third, since the pedal connecting pin is in a free state within a certain range in the axial direction, the position of the connecting pin cannot be detected by a sensor, and the locked and released states cannot be detected.
In the prior art, in order to solve the above problems, there is also a case of preventing the pedal connecting pin from freely moving in the axial direction using a spring; however, due to the limitation of a specific structure, the spring is usually installed by adopting an elastic cylindrical pin, and the installation of the elastic cylindrical pin needs professional press-fitting equipment, so that the installation and the disassembly are very inconvenient, and the spring is difficult to replace and has high replacement cost after failure; and meanwhile, the elastic cylindrical pin also has the risk of falling off.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a brake pedal locking mechanism and tractor service brake pedal are provided.
The utility model provides an above-mentioned technical problem's technical scheme as follows: a brake pedal locking mechanism is arranged on two brake pedal assemblies and comprises a connecting pin and a limiting sleeve, wherein the connecting pin penetrates through the limiting sleeve and can move along the axial direction of the limiting sleeve; the front end of the limiting sleeve is fixedly connected with one of the brake pedal assemblies, and the rear end of the limiting sleeve is provided with a first limiting groove and a second limiting groove; a limiting rod is arranged on the connecting pin and is close to the rear end of the connecting pin; the limiting rod can move to the first limiting groove and is abutted against the inner wall of the first limiting groove to drive the front end of the connecting pin to be connected with the other brake pedal assembly into a whole, or move to the second limiting groove and is abutted against the inner wall of the second limiting groove to drive the front end of the connecting pin to be separated from the other brake pedal assembly.
The utility model discloses an above-mentioned technical scheme's beneficial effect lies in: the movement of the connecting pin between the two limiting grooves is easy to control, so that the connection and separation processes between the two brake pedal assemblies are simpler, more accurate and quicker.
The utility model can be implemented by the following further technical proposal.
Further, a smooth guide edge is arranged between the first limiting groove and the second limiting groove; the connecting pin can axially move and axially rotate along the limiting sleeve, so that the limiting rod moves between the first limiting groove and the second limiting groove along the guide edge.
The beneficial effect of adopting the further technical scheme is that: the guide edge can further improve the speed and accuracy of the connecting pin moving between the first limiting groove and the second limiting groove.
Further, the shaft of the limiting rod is perpendicular to the shaft of the connecting pin.
The beneficial effect of adopting the further technical scheme is that: the contact area of the limiting rod with the first limiting groove and the second limiting groove is the largest, so that the limiting rod is guaranteed to be kept stable when being limited in the first limiting groove and the second limiting groove.
Further, the device also comprises a first guide pipe; the front end of the limiting sleeve is sleeved in the first guide pipe and fixed, and the first guide pipe is fixed on one of the brake pedal assemblies.
The beneficial effect of adopting the further technical scheme is that: make and to fix steadily between spacing sleeve pipe and the first locking hole.
Further, the device also comprises a second guide pipe; the second guide pipe is fixed on the other brake pedal assembly, the front end of the connecting pin can move to be inserted into the second guide pipe, and the outer side wall of the connecting pin abuts against the inner wall of the second guide pipe.
The beneficial effect of adopting the further technical scheme is that: the fixed connection of the connecting pin and the second locking hole is more stable.
Further, the device also comprises a spring; the spring sleeve is arranged at the position, close to the front end, of the connecting pin, the front end of the spring is fixed to the connecting pin, and the rear end of the spring is abutted to the front end of the limiting sleeve and is in a compressed state.
The beneficial effect of adopting the further technical scheme is that: the elastic force towards the second locking hole is applied to the connecting pin through the spring, the front end of the connecting pin is kept stable when being fixedly connected with the second locking hole, when the connecting pin is separated from the second locking hole, the elastic force of the spring is opposite to the force applied by the second limiting groove, the connecting pin is prevented from being separated from the limiting sleeve, and meanwhile the connecting pin can be prevented from shaking along the axial direction.
Furthermore, the front end of the spring is fixed on the connecting pin through a spring retainer ring.
The beneficial effect of adopting the further technical scheme is that: the fixing of the spring and the connecting pin is more stable.
Further, a sensor is fixedly installed on the second guide pipe, and a sensing end of the sensor is located in the second guide pipe and used for sensing the front end position of the connecting pin.
The beneficial effect of adopting the further technical scheme is that: the sensing end of the sensor can sense whether the front end of the connecting pin is inserted into and fixed in the second guide pipe.
Further, the sensor is a travel switch, and the front end of the connecting pin is in contact with a contact of the travel switch when inserted into the second guide tube.
The beneficial effect of adopting the further technical scheme is that: the front end of the connecting pin can directly enable the sensor to sense the position of the connecting pin in a contact mode, and the problem that other types of sensors are in fault or inaccurate in sensing due to environmental influences in the using process is solved.
The utility model also provides a tractor service brake pedal, include as above brake pedal locking mechanism.
The utility model discloses an above-mentioned technical scheme's beneficial effect lies in: the connecting state between the two brake pedal assemblies can be controlled by a driver in real time in the operation process of the tractor, and meanwhile, the control process is simpler, more accurate and quicker.
Drawings
FIG. 1 is an exploded view of the connection of the brake pedal locking mechanism of the present invention;
fig. 2 is a schematic structural view of the limiting sleeve of the present invention;
FIG. 3 is an exploded view of the connection between the second guiding tube and a brake pedal assembly according to the present invention;
FIG. 4 is an exploded view of the connection between the first guide tube and another brake pedal assembly according to the present invention;
FIG. 5 is a cross-sectional view of two brake pedal assemblies of the present invention when fixedly connected;
fig. 6 is a cross-sectional view of the two brake pedal assemblies of the present invention when separated.
In the drawings, the components represented by the respective reference numerals are listed below:
1. the connecting pin 11, the limiting rod 12, the spring 121, the washer 13 and the spring retainer ring;
2. a limiting sleeve 21, a first limiting groove 22, a second limiting groove 23 and a guide edge;
3. a brake pedal assembly 31, a first locking hole 32 and a second locking hole;
41. a first guide tube 42, a second guide tube;
5. sensor, 6, pedal support.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
The utility model provides a "front end" indicates connecting pin 1 along its axial displacement and the direction of approaching a brake pedal assembly 3, and "rear end" indicates connecting pin 1 along its axial displacement and keep away from the direction of this brake pedal assembly 3.
As shown in fig. 1 to 6, the brake pedal locking mechanism of the present invention is disposed on two brake pedal assemblies 3; the brake pedal locking mechanism comprises a connecting pin 1 and a limiting sleeve 2; the front end of the limiting sleeve 2 is fixedly connected with one of the brake pedal assemblies 3, and the edge of the rear end is provided with a first limiting groove 21 and a second limiting groove 22 along the side wall; the connecting pin 1 is provided with a limiting rod 11, and the limiting rod 11 is close to the rear end of the connecting pin 1; the limiting rod 11 can move into the first limiting groove 21 and abut against the inner wall of the first limiting groove to drive the front end of the connecting pin 1 to be connected with another brake pedal assembly 3 into a whole, or move into the second limiting groove 22 and abut against the inner wall of the second limiting groove to drive the front end of the connecting pin 1 to be separated from another brake pedal assembly 3.
The brake pedal locking mechanism of the utility model realizes the connection and separation of the front end of the connecting pin 1 and the other brake pedal assembly 3 through the movement of the limiting rod 11 between the first limiting groove 21 and the second limiting groove 22, thereby realizing the locking between the two brake pedal assemblies 3; meanwhile, because the first limit groove 21 and the second limit groove 22 are both positioned at the rear end of the limit sleeve 2, the movement of the connecting pin 1 between the two limit grooves is easy to control, so that the connection and separation processes between the two brake pedal assemblies 3 are simpler, more accurate and quicker.
The utility model discloses a brake pedal locking mechanism can be connected through concrete structures such as draw-in groove, buckle, connecting hole in principle between the front end of connecting pin 1 and another brake pedal assembly 3, nevertheless because draw-in groove, buckle all need establish relevant coupling mechanism in addition, consequently connect as preferred with the mode that inserts the connecting hole.
In the above embodiment, preferably, each brake pedal assembly 3 has a pedal and a connecting portion, wherein one end of each connecting portion of the two brake pedal assemblies 3 is rotatably mounted on the pedal bracket 6, the other end is respectively provided with a first locking hole 31 and a second locking hole 32 corresponding to the positions of the connecting portions, and the two locking holes are respectively located at the lower sides of the two pedals; the front end of the limiting sleeve 2 is fixedly connected with the second locking hole 32, and the front end of the connecting pin 1 is fixedly connected with the second locking hole 32.
The utility model discloses a gag lever post 11 can be located driver's left side or right side in principle for the front end of connecting pin 1, but in the in-service use, because most drivers mainly adopt the right foot to control, consequently preferred, gag lever post 11 is located the right side.
As shown in fig. 2, in the above embodiment, preferably, a smooth guiding edge 23 is disposed between the first limiting groove 21 and the second limiting groove 22; the connecting pin 1 can move along the axial direction of the limiting sleeve 2 and rotate axially, so that the limiting rod 11 moves between the first limiting groove 21 and the second limiting groove 22 along the guide edge 23; the guide edge 23 can further improve the speed and accuracy with which the connecting pin 1 can be moved between the first and second retaining grooves 21, 22.
Further preferably, the first limiting groove 21 is adjacent to the second limiting groove 22, and the guiding edge 23 is an inclined surface, when the connecting pin 1 extends and contracts, the connecting pin 1 rotates when external force is applied through the limiting rod 11, so that the limiting rod 11 moves in the first limiting groove 21 and the second limiting groove 22, and in the moving process, the side wall of the limiting rod 11 abuts against the guiding edge 23 and slides along the guiding edge 23.
In the above embodiment, preferably, the axis of the stopper rod 11 is perpendicular to the axis of the connecting pin 1; the contact area of the limiting rod 11 with the first limiting groove 21 and the second limiting groove 22 is the largest, so that the stability of the limiting rod 11 is guaranteed when the limiting rod is limited in the first limiting groove 21 and the second limiting groove 22.
In the above embodiment, preferably, the outer side wall of the stop rod 11 is provided with an anti-slip structure, including but not limited to an anti-slip sleeve and an anti-slip pattern, so that the driver can prevent slipping during operation.
As shown in fig. 1, 5 and 6, in the above embodiment, it is preferable that a spring 12 is further included; the spring 12 is sleeved and fixed at the position of the connecting pin 1 close to the front end and is in a compressed state; the spring 12 applies elastic force towards the second locking hole 32 to the connecting pin 1, so that the connecting pin 1 does not have a free state in the axial direction, namely the front end of the connecting pin 1 is kept stable when being fixedly connected with the second locking hole 32, and when the connecting pin 1 is separated from the second locking hole 32, the elastic force of the spring 12 is opposite to the direction of the force applied by the second limiting groove 22, so that the connecting pin 1 is prevented from being separated from the limiting sleeve 2, and meanwhile, the connecting pin 1 can be prevented from shaking along the axial direction.
As shown in fig. 1, 5 and 6, in the above embodiment, preferably, the front end of the spring 12 is fixed on the connecting pin 1 through the spring retainer 13, and the rear end abuts against the front end of the limit sleeve 2; the position of the spring 12 relative to the connecting pin 1 is kept fixed, so that the spring force exerted by the spring 12 can be kept stable.
As shown in fig. 1, 5 and 6, in the above embodiment, a washer 121 is preferably provided between the front end of the spring 12 and the spring retainer 12, so that the spring 12 and the connecting pin 1 are more stably fixed.
The utility model discloses a brake pedal locking mechanism, in spacing sleeve pipe 2 can directly overlap and establish and be fixed in first locking hole 31, nevertheless in the in-service use, because the variation in size in locking hole on the brake pedal assembly 3 of different models to need change spacing sleeve pipe 2 after a period of use, the mode that adopts the lug connection makes this locking mechanism's application scope receive the limitation, can't compromise simultaneously and be convenient for change and stable fixed.
As shown in fig. 1 and 4 to 6, in the above embodiment, preferably, the guide tube further includes a first guide tube 41; the front end of the limiting sleeve 2 is sleeved in and fixed to the first guide pipe 41, and the first guide pipe 41 is sleeved in and fixed to the first locking hole 31; the spacing sleeve 2 and the first locking hole 31 can be stably fixed.
As shown in fig. 1 and 4 to 6, in the above embodiment, preferably, the front end of the position limiting sleeve 2 is a stepped structure, the stepped structure is located in the first guide pipe 41, the outer side wall of the step with the large outer diameter is fixedly connected with the inner side wall of the first guide pipe 41, and a gap is formed between the outer side wall of the step with the small outer diameter and the inner side wall of the first guide pipe 41; when the spring 12 is fixed to the connecting pin 1, the rear end of the spring 12 is positioned in the gap, and the end portion thereof abuts against the stepped end portion having a large outer diameter; this structure enables the rear end of the spring 12 to be protected, extending the service life.
In the brake pedal locking mechanism of the utility model, the front end of the connecting pin 1 can be directly inserted into and fixed in the second locking hole 32, but in practical use, in order to stably connect the two brake pedal assemblies 3, the diameter of the front end of the connecting pin 1 and the diameter of the second locking hole 32 need to be matched and butted mutually, so that the application range of the locking mechanism is limited; in addition, when the connecting pin 1 moves towards the second locking hole 32, the connecting pin cannot accurately and quickly correspond to the second locking hole 32, so that the locking process is slow in efficiency.
As shown in fig. 1, 3 and 5 to 6, in the above embodiment, it is preferable that the second guide tube 42 is further included; the second guide tube 42 is sleeved in the second locking hole 32 and fixed, the front end of the connecting pin 1 is inserted into the second guide tube 42, and the outer side wall of the connecting pin abuts against the inner wall of the second guide tube 42; the front end of the connecting pin 1 and the second guide pipe 42 can be connected into a whole by external force applied to the limiting rod 11, so that the connecting pin 1 and the brake pedal assembly 3 are connected, and the connecting pin 1 can be pulled out of the second guide pipe 42 by the external force applied to the limiting rod 11, so that the connecting pin 1 and the brake pedal assembly 3 are separated; with the second guide tube 42, the fixed connection of the connecting pin 1 and the second locking hole 32 can be made more stable.
As shown in fig. 1, 3 and 5 to 6, in the above embodiment, preferably, the front end of the second guide tube 42 is fixedly connected to the second locking hole 32, and the rear end extends toward the first locking hole 31; when the tip of the connecting pin 1 is moved toward the second guide pipe 42, the connecting pin can be more easily positioned and inserted into the second guide pipe 42.
As shown in fig. 1 and 5 to 6, in the above embodiment, preferably, the sensor 5 is fixedly mounted on the second guide tube 42 for sensing the front end position of the connecting pin 1; the sensing end of the sensor 5 is positioned in the second guide pipe 42 and has a fixed sensing range; the sensing end of the sensor 5 can sense whether the front end of the connecting pin 1 is inserted into the second guide tube 42 and is located within the sensing range thereof; when the tip of the connecting pin 1 is inserted into the inner wall of the second conduit 42 and abuts against the inner wall, the position of the tip is located within the sensing range of the sensor 5.
In the above embodiment, preferably, the front end of the second guide tube 42 is internally provided with a screw thread, and the sensor 5 is connected to the second guide tube 42 by the screw thread.
In the above embodiment, preferably, the sensor 5 is electrically connected to the alarm system, and when the sensor 5 does not sense that the front end of the connecting pin 1 is inserted into and fixed to the second guide tube 42, an electric signal is generated and the alarm system is caused to generate an alarm to warn that the two pedal assemblies 3 are not connected.
In the above embodiment, preferably, the sensor 5 is a travel switch, and when the front end of the connecting pin 1 is inserted into the second guide tube 42, it contacts the contact at the start of the travel; by adopting the travel switch as the sensor 5, the front end of the connecting pin 1 can directly enable the sensor 5 to sense the position thereof in a contact mode, and the problem that other types of sensors have faults or inaccurate sensing caused by environmental influence in the using process is prevented.
The brake pedal locking mechanism of the utility model can quickly and accurately fixedly connect or separate the two brake pedal assemblies 3; meanwhile, the process of controlling the fixation or separation of the two brake pedal assemblies 3 is simple, convenient and efficient through the matching of the limiting rod 11, the two limiting grooves and the guide edge 23 between the two limiting grooves; in addition, the adoption of the spring 12 can increase the stability of the fixed connection of the two pedal assemblies 2, and the connecting pin 1 keeps stable and does not shake during separation; finally, the sensor 5 is adopted to realize the real-time monitoring of the connection relation between the two brake pedal assemblies 3.
The utility model discloses a tractor service brake pedal, which comprises the brake pedal locking mechanism; by adopting the brake pedal locking mechanism, the fixed connection and the separation of the two brake pedal assemblies 3 of the tractor can be controlled simply and effectively, specifically, a driver can realize the control process only by poking the limiting rod 11 on the connecting pin 1 through feet without stopping specially for operation, so that the two brake pedal assemblies 3 can be controlled in real time in the running process of the tractor.
In addition, the tractor only needs to be in a separation state between the two brake pedal assemblies 3 when in a special working condition, and after separation, single-side control is implemented on the two brake pedal assemblies 3 so as to achieve the purpose of single-side braking. When the tractor runs on flat ground at a high speed, the two brake pedal assemblies 3 are still separated, so that the two brake pedal assemblies 3 are easy to be touched by a single side, and serious accidents such as sharp steering and even overturning can be caused. Therefore, the sensor 5 is adopted to detect the connection state between the two brake pedal assemblies 3 in real time, and the warning system is used for prompting, so that the purpose of reminding a driver is achieved.
Preferably, sensor 5 can also be connected with tractor starting drive to when sensor 5 does not sense the front end of connecting pin 1, starting drive can't start the tractor, thereby when guaranteeing to be in the detached state between two brake pedal assemblies 3, the tractor can't work, thereby avoid the risk that probably exists after the tractor starts when preventing to forget the relation of connection of two brake pedal assemblies 3.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "inner", "outer", "axial", "radial", "circumferential", etc. are the directions or positional relationships indicated on the drawings, and are only for convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified 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.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. A brake pedal locking mechanism is arranged on two brake pedal assemblies (3) and is characterized by comprising a connecting pin (1) and a limiting sleeve (2), wherein the connecting pin (1) penetrates through the limiting sleeve (2) and can move along the axial direction of the limiting sleeve;
the front end of the limiting sleeve (2) is fixedly connected with one of the brake pedal assemblies (3), and the rear end of the limiting sleeve is provided with a first limiting groove (21) and a second limiting groove (22);
a limiting rod (11) is arranged on the connecting pin (1), and the limiting rod (11) is close to the rear end of the connecting pin (1);
the limiting rod (11) can move to the first limiting groove (21) and abut against the inner wall of the first limiting groove to drive the front end of the connecting pin (1) to be connected with the other brake pedal assembly (3) into a whole, or move to the second limiting groove (22) and abut against the inner wall of the second limiting groove to drive the front end of the connecting pin (1) to be separated from the other brake pedal assembly (3).
2. A brake pedal locking mechanism according to claim 1, characterized in that a smooth guiding edge (23) is provided between the first and second limiting grooves (21, 22);
the connecting pin (1) can axially move and axially rotate along the limiting sleeve (2), so that the limiting rod (11) moves between the first limiting groove (21) and the second limiting groove (22) along the guide edge (23).
3. A brake pedal locking mechanism according to claim 1, characterized in that the axis of the limit lever (11) is perpendicular to the axis of the connecting pin (1).
4. A brake pedal locking mechanism according to claim 1, further comprising a first guide tube (41); the front end of the limiting sleeve (2) is sleeved in the first guide pipe (41) and fixed, and the first guide pipe (41) is fixed on one of the brake pedal assemblies (3).
5. The brake pedal lock mechanism according to any one of claims 1 to 4, further comprising a second guide tube (42); the second guide pipe (42) is fixed on the other brake pedal assembly (3), the front end of the connecting pin (1) can move to be inserted into the second guide pipe (42), and the outer side wall of the connecting pin abuts against the inner wall of the second guide pipe (42).
6. A brake pedal locking mechanism according to claim 5, further comprising a spring (12); the spring (12) is sleeved at the position, close to the front end, of the connecting pin (1), the front end of the spring (12) is fixed to the connecting pin (1), and the rear end of the spring is abutted to the front end of the limiting sleeve (2) and is in a compression state.
7. A brake pedal locking mechanism according to claim 6, characterized in that the front end of the spring (12) is fixed to the connecting pin (1) by means of a spring collar (13).
8. A brake pedal locking mechanism according to claim 7, characterized in that a sensor (5) is fixedly mounted on the second guide tube (42), and a sensing end of the sensor (5) is located in the second guide tube (42) for sensing a front end position of the connecting pin (1).
9. A brake pedal lock mechanism according to claim 8, wherein the sensor (5) is a travel switch, and the front end of the connecting pin (1) is in contact with a contact of the travel switch when inserted into the second guide tube (42).
10. A service brake pedal for a tractor, comprising a brake pedal lock mechanism according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120348430.8U CN214450869U (en) | 2021-02-08 | 2021-02-08 | Brake pedal locking mechanism and tractor service brake pedal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120348430.8U CN214450869U (en) | 2021-02-08 | 2021-02-08 | Brake pedal locking mechanism and tractor service brake pedal |
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| Publication Number | Publication Date |
|---|---|
| CN214450869U true CN214450869U (en) | 2021-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120348430.8U Active CN214450869U (en) | 2021-02-08 | 2021-02-08 | Brake pedal locking mechanism and tractor service brake pedal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115366853A (en) * | 2022-10-25 | 2022-11-22 | 江苏常发农业装备股份有限公司 | Braking device |
-
2021
- 2021-02-08 CN CN202120348430.8U patent/CN214450869U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115366853A (en) * | 2022-10-25 | 2022-11-22 | 江苏常发农业装备股份有限公司 | Braking device |
| CN115366853B (en) * | 2022-10-25 | 2023-02-17 | 江苏常发农业装备股份有限公司 | Braking device |
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Address after: 261206 No. 192 South Beihai Road, Fangzi District, Shandong, Weifang Patentee after: Weichai Lovol Intelligent Agricultural Technology Co.,Ltd. Address before: 261206 No. 192 South Beihai Road, Fangzi District, Shandong, Weifang Patentee before: Weichai leiwo Heavy Industry Co.,Ltd. |
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