CN219601081U - Motor shaft transmission mechanism of electric pedal of automobile - Google Patents
Motor shaft transmission mechanism of electric pedal of automobile Download PDFInfo
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- CN219601081U CN219601081U CN202222977125.2U CN202222977125U CN219601081U CN 219601081 U CN219601081 U CN 219601081U CN 202222977125 U CN202222977125 U CN 202222977125U CN 219601081 U CN219601081 U CN 219601081U
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- transmission
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- pedal
- output shaft
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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Abstract
The utility model discloses a motor shaft transmission mechanism of an automobile electric pedal, and belongs to the technical field of automobile pedals. It comprises the following steps: a pedal; the driving connecting rod mechanism comprises a connecting rod bracket, a connecting plate assembly and a bottom frame which are sequentially hinged, and a pedal is arranged on the bottom frame; the transmission shaft is inserted into the connecting plate assembly and is in linkage connection with the connecting plate assembly; the motor is provided with a motor output shaft, and the motor output shaft is inserted into the transmission shaft to be in clearance fit with the transmission shaft and leave an installation clearance; the transmission bush is inserted into the installation gap and is in linkage connection with the motor output shaft and the transmission shaft; and the end part of the lock nut is detachably connected with the transmission bushing, and the lock nut is in threaded connection with the end part of the motor output shaft. When the motor can not control the pedal to extend and retract, the locking nut is screwed outwards to drive the transmission bushing to move outwards from the installation gap, and after the transmission bushing and the motor are disassembled in sequence, the driving connecting rod mechanism can move freely, so that the pedal can be controlled to extend and retract manually.
Description
Technical Field
The utility model belongs to the technical field of automobile pedals, and particularly relates to a motor shaft transmission mechanism of an automobile electric pedal.
Background
The work of automobile electric pedal is mainly driven by the motor, when automobile electric pedal is in automobile feed, controller trouble or motor trouble, leads to the motor unable to work, because the locked-rotor of motor can lead to the footboard to keep current state always, stretches out, withdraws, gets into the maintenance mould through switch door or car key uncontrollable footboard, then can lead to following problem to produce:
1. when the pedal is in an extended state or in a non-fully retracted state, the ground clearance of the vehicle can be reduced, and the trafficability of the vehicle is affected;
2. when the pedal is in an extending state, the outer edge of the pedal exceeds the width of the vehicle body, so that the trafficability of the vehicle is affected;
3. part of vehicles can shield lifting points of the vehicles because the pedals are in an extending state, so that the vehicle-mounted jack cannot be used, and operations of replacing spare tires and the like of the vehicles in the driving process are affected.
In order to solve the problems, the connection between the motor output shaft and the connecting rod needs to be controlled, when the motor cannot work normally, the connection between the motor output shaft and the pedal connecting rod is disconnected, then the pedal can be manually retracted, and the connecting rod and the motor output shaft are locked, so that the purpose of manually retracting the pedal is achieved.
However, most of the transmission connection between the motor output shaft of the electric pedal motor and the pedal connecting rod bracket of the automobile on the market at present is mainly realized by connecting and locking the motor output shaft and the pedal connecting rod through a bolt or a combination of the bolt and a wedge block, the structure is generally positioned in the connecting rod or at the back, under the condition that the vehicle is stopped at the roadside, the structure is invisible, a driver can hardly disconnect the motor shaft and the connecting rod bracket by disassembling the bolt, the pedal cannot be fixed by the disassembled bolt after manually pushing back the pedal, in addition, the bolt is generally a hexagon head bolt or an inner hexagon bolt of M6 or M8, the disassembling of the bolt needs corresponding tools, and the vehicle is generally not provided with such tools, so that the purpose of manually retracting the pedal is difficult to realize.
Disclosure of Invention
The utility model provides underpants with scrotum support, which can accelerate scrotum detumescence, aiming at the problems existing in the prior art.
The utility model can be realized by the following technical scheme:
an automotive electric foot pedal motor shaft transmission comprising:
a pedal;
the driving connecting rod mechanism comprises a connecting rod bracket, a connecting plate assembly and a bottom frame, wherein the pedal is arranged on the bottom frame, the connecting plate assembly and the connecting rod bracket are sequentially hinged to form a multi-connecting rod mechanism, and the connecting rod bracket is used for being connected with a vehicle body;
the transmission shaft is inserted into the connecting plate assembly and is connected with the connecting plate assembly in a linkage way;
the motor is provided with a motor output shaft, the motor output shaft is inserted into the transmission shaft and is in clearance fit with the transmission shaft, and a mounting clearance is reserved between the motor output shaft and the transmission shaft;
the transmission bush is sleeved on the motor output shaft and inserted into the installation gap, and the inner end surface and the outer end surface of the transmission bush are respectively connected with the motor output shaft and the transmission shaft in a linkage way;
the end part of the locking nut is detachably connected with the transmission bushing, the locking nut is in threaded connection with the end part of the motor output shaft, and the transmission bushing is driven to be inserted into or removed from the installation gap along with screwing of the locking nut.
As a further improvement of the present utility model, the connection plate assembly includes an outer connection plate, both ends of which are hinged to the connection rod bracket and the bottom chassis, respectively, and an inner connection plate, both ends of which are hinged to the connection rod bracket and the bottom chassis, respectively.
As a further improvement of the utility model, the link bracket, the outer link plate, the chassis and the inner link plate form a freely movable four-bar linkage when the motor is not mounted to the link bracket.
As a further improvement of the present utility model, the motor output shaft is provided in a stepped manner and has a large diameter portion, a medium diameter portion, and a small diameter portion, wherein the small diameter portion passes through the transmission shaft and protrudes outward.
As a further improvement of the utility model, the large diameter portion is in clearance fit with the transmission shaft, the middle diameter portion and the transmission shaft form the installation clearance therebetween, and the small diameter portion is used for being in threaded connection with the lock nut.
As a further improvement of the utility model, the motor output shaft transmits torque to the drive shaft through the drive bushing after the drive bushing is inserted into the mounting gap, the drive shaft being in interference fit with the inner link plate and being hinged to the link bracket.
As a further improvement of the utility model, the output shaft of the motor and the transmission bush, and the transmission bush and the transmission shaft can be matched in a spline, a gear, a polygonal surface and the like.
As a further improvement of the utility model, the end part of the transmission bushing is provided with an outwards protruding clamping part, and the end part of the locking nut is provided with a clamping groove, and the clamping part is connected with the clamping groove in a matching way.
As a further improvement of the utility model, the motor housing is also included, and the motor is arranged in the motor housing and is connected with the connecting rod bracket through the motor housing.
As a further improvement of the utility model, the vehicle further comprises a driven link mechanism which is provided as a freely movable multi-link mechanism, one end of the driven link mechanism is used for installing the pedal, the other end of the driven link mechanism is used for being connected with a vehicle body, and the driven link mechanism and the driving link mechanism are positioned on the same side of the pedal.
Compared with the prior art, the utility model has the following beneficial effects:
1. the transmission bushing is driven to axially move along the motor output shaft by screwing the locking nut, after the transmission bushing is inserted into the installation gap, the transmission bushing can transmit the torque of the motor output shaft to the transmission shaft so as to drive the driving connecting rod mechanism to move, when the motor fails, the transmission bushing can be quickly pulled out of the installation gap by unscrewing the locking nut, so that the transmission shaft and the motor output shaft are disconnected, and the driving connecting rod mechanism can be manually adjusted after the motor is disassembled, so that the aim of adjusting the pedal position is fulfilled.
2. After the pedal is manually adjusted to a required position, the transmission bushing is taken out from the lock nut, and then the lock nut is reversely fixed on the motor output shaft, at the moment, one end of the lock nut can prop against the transmission shaft, so that the transmission shaft and the motor output shaft are locked, and the pedal can be kept in a locked state at the current position, so that a driver can perform subsequent operations.
3. The locking nut and the motor are respectively positioned at the left side and the right side of the connecting rod mechanism and exposed outside, so that the motor is convenient to detach and install.
4. The tool for disassembling the lock nut is a hexagon sleeve which is arranged on a vehicle and used for replacing the wheel, no additional tool is needed, and convenience is achieved.
Drawings
FIG. 1 is a schematic view of the structure of the pedal, driving linkage and driven linkage of the present utility model after connection;
FIG. 2 is a schematic view of the structure of the active linkage of the present utility model;
FIG. 3 is a cross-sectional view of the drive linkage mechanism of the present utility model after the drive bushing is inserted into the mounting gap;
FIG. 4 is a cross-sectional view of the drive linkage of the present utility model with the drive bushing removed from the mounting gap;
FIG. 5 is a cross-sectional view of the lock nut of the present utility model installed in reverse and locking the active linkage;
fig. 6 is a cross-sectional view of the motor output shaft, the transmission bushing and the transmission shaft of the present utility model after mating connection.
100, pedal in the figure; 200. an active link mechanism; 210. a connecting rod bracket; 220. a connecting plate assembly; 221. an outer connecting plate; 222. an inner connection plate; 230. a chassis; 240. a transmission shaft; 250. a motor; 251. an output shaft of the motor; 252. a motor housing; 260. a transmission bushing; 261. a clamping part; 270. a lock nut; 271. a clamping groove; 280. a rotating shaft; 300. and a driven link mechanism.
Detailed Description
The following are specific embodiments of the present utility model and the technical methods of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.
As shown in fig. 1-6, the present utility model provides a motor shaft transmission mechanism of an electric pedal of an automobile, comprising:
the pedals 100 are arranged on two sides of a vehicle body and used for being stepped on when people get on or off, and as the electric pedals 100, the pedals 100 are driven to extend or retract by the motor 250 in a normal running state, but when the power supply of an automobile, the failure of a controller or the failure of the motor 250 occurs, the motor 250 cannot work normally, and the pedals 100 cannot retract normally due to the locked rotation of the motor 250, so in the embodiment, the purpose of manually retracting and locking the pedals 100 is realized by improving the transmission mechanism of the pedals 100;
the driving link mechanism 200, which includes a link bracket 210, a connection plate assembly 220 and a chassis 230, the pedal 100 is mounted on the chassis 230, the connection plate assembly 220 and the link bracket 210 are hinged in sequence and form a freely movable multi-link mechanism, the link bracket 210 is used for connecting with a vehicle body, that is, under the condition that the driving link mechanism 200 is not locked, the chassis 230 can be driven to extend or retract by the movement of the multi-link mechanism, and the pedal 100 is driven to extend or retract;
the transmission shaft 240 is inserted into the connection plate assembly 220 and is in linkage connection with the connection plate assembly 220, and when the transmission shaft 240 rotates, the transmission shaft can drive the connection plate assembly 220 to rotate, so that the whole driving link mechanism 200 is driven to move;
a motor 250 having a motor output shaft 251, the motor output shaft 251 being inserted into the transmission shaft 240 and being in clearance fit with the transmission shaft 240, that is, the rotation of the motor output shaft 251 cannot directly drive the transmission shaft 240 to rotate, and in addition, an installation clearance is left between the end of the transmission shaft 240 and the motor output shaft 251;
the transmission bushing 260 is sleeved on the motor output shaft 251 and inserted into the installation gap along the axis direction of the motor output shaft 251, at this time, the transmission bushing 260 is respectively connected with the transmission shaft 240 and the output shaft of the motor 250 in a linkage way, that is, the transmission bushing 260 can transmit the torque output by the motor output shaft 251 to the transmission shaft 240, so that the connecting plate assembly 220, the underframe 230 and the pedal 100 rotate, and the purpose that the motor 250 controls the pedal 100 to extend and retract is achieved;
the end of the lock nut 270 is detachably connected with the transmission bushing 260, the lock nut 270 is in threaded connection with the end of the output shaft of the motor 250, and the transmission bushing 260 is driven to be inserted into or removed from the installation gap along with screwing the lock nut 270;
specifically, since the lock nut 270 is detachably connected with the transmission bushing 260, when the transmission bushing 260 is sleeved on the motor output shaft 251, the transmission bushing 260 can be driven to synchronously move until the transmission bushing 260 is inserted into the installation gap along with inward screwing of the lock nut 270, and at this time, the motor 250 can normally work and drive the pedal 100 to extend and retract;
when the problems of automobile feeding, controller failure or motor 250 failure occur, the motor 250 cannot control the pedal 100 to extend and retract, at this time, only the lock nut 270 is screwed outwards to drive the transmission bushing 260 to move outwards from the installation gap, after the transmission bushing 260 is disassembled, the motor 250 is disassembled, at this time, all hinge points of the whole driving link mechanism 200 can freely move, so that the pedal 100 can be manually controlled to extend and retract, after the pedal 100 is manually moved to a proper position, the transmission bushing 260 is taken out from the lock nut 270, then the lock nut 270 is reversely fixed on the motor output shaft 251 (as shown in fig. 5), at this time, one end of the lock nut 270 props against the transmission shaft 240, so that the transmission shaft 240 and the motor output shaft 251 are locked, and thus, the pedal 100 can keep a locked state at the current position, so that a driver can perform subsequent operation.
It should be noted that, for the connection structure between the motor output shaft 251 and the link mechanism, the motor output shaft 251 and the link mechanism are locked by adopting the way of matching the transmission bushing 260 and the lock nut 270, so that the structure is simple and compact, the connection is stable and reliable, and the lock nut 270 and the motor 250 are respectively positioned at the left side and the right side of the link mechanism and exposed outside, thereby being convenient for disassembly and installation.
In addition, the tool for disassembling the lock nut 270 is a hexagonal sleeve which is arranged on a vehicle and used for replacing the wheel, and no additional tool is needed, so that the convenience is improved.
Preferably, the connection plate assembly 220 includes an outer connection plate 221 and an inner connection plate 222, wherein two ends of the outer connection plate 221 are respectively hinged to the connection rod bracket 210 and the bottom frame 230, and two ends of the inner connection plate 222 are respectively hinged to the connection rod bracket 210 and the bottom frame 230, wherein the two hinged positions are connected by adopting a rotating shaft 280.
Preferably, when the motor 250 is not mounted to the link bracket 210, the outer link plate 221, the bottom chassis 230, and the inner link plate 222 form a freely movable four-bar mechanism, and the four-bar mechanism can be manually controlled to rotate, thereby controlling the extension or retraction of the pedal 100.
Preferably, the motor output shaft 251 is provided in a stepped shape and has a large diameter portion, a medium diameter portion, and a small diameter portion, wherein the small diameter portion passes through the transmission shaft 240 and protrudes outward.
Preferably, the large diameter portion is clearance fit with the drive shaft 240, the medium diameter portion forms an installation clearance with the drive shaft 240, and the small diameter portion is adapted to be threadedly coupled with the lock nut 270.
Preferably, after the transmission bushing 260 is inserted into the installation gap, the motor output shaft 251 transmits torque to the transmission shaft 240 through the transmission bushing 260, and the transmission shaft 240 is in interference fit with the inner connecting plate 222 and hinged with the connecting rod bracket 210, when the motor 250 works, the motor output shaft 251 rotates to sequentially drive the transmission bushing 260, the transmission shaft 240 and the inner connecting plate 222 to rotate, so that the whole driving connecting rod mechanism 200 is driven to work, and finally the extension and retraction of the pedal 100 are controlled.
Preferably, spline, gear, polygonal surface and other modes can be adopted to match between the motor output shaft 251 and the transmission bushing 260 and between the transmission bushing 260 and the transmission shaft 240.
Preferably, the end of the transmission bushing 260 is provided with an outwardly protruding clamping portion 261, and the end of the lock nut 270 is provided with a clamping groove 271, the clamping portion 261 is connected with the clamping groove 271 in a matching manner, so that the lock nut 270 can drive the transmission bushing 260 to axially move along the motor output shaft 251, and the lock nut 270 is detachably connected with the transmission bushing 260.
Preferably, a motor housing 252 is also included, and a motor 250 is disposed within the motor housing 252 and coupled to the linkage mount 210 via the motor housing 252.
Preferably, the vehicle further comprises a driven linkage 300 which is a freely movable multi-linkage, wherein one end of the driven linkage 300 is used for installing the pedal 100, and the other end is used for being connected with a vehicle body, and the driven linkage 300 and the driving linkage 200 are positioned on the same side of the pedal 100.
The technical means disclosed by the scheme of the utility model is not limited to the technical means disclosed by the technical means, and also comprises the technical scheme formed by any combination of the technical features. The foregoing is a specific embodiment of the utility model, it will be appreciated by those skilled in the art that modifications and variations may be made without departing from the principles of the utility model, and such modifications and variations are to be regarded as being within the scope of the utility model.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, descriptions such as those referred to herein as "first," "second," "a," and the like are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or an implicit indication of the number of features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, the technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present utility model.
Claims (10)
1. An automotive electric foot pedal motor shaft transmission mechanism, comprising:
a pedal;
the driving connecting rod mechanism comprises a connecting rod bracket, a connecting plate assembly and a bottom frame, wherein the pedal is arranged on the bottom frame, the connecting plate assembly and the connecting rod bracket are sequentially hinged to form a multi-connecting rod mechanism, and the connecting rod bracket is used for being connected with a vehicle body;
the transmission shaft is inserted into the connecting plate assembly and is connected with the connecting plate assembly in a linkage way;
the motor is provided with a motor output shaft, the motor output shaft is inserted into the transmission shaft and is in clearance fit with the transmission shaft, and a mounting clearance is reserved between the motor output shaft and the transmission shaft;
the transmission bush is sleeved on the motor output shaft and inserted into the installation gap, and the inner end surface and the outer end surface of the transmission bush are respectively connected with the motor output shaft and the transmission shaft in a linkage way;
the end part of the locking nut is detachably connected with the transmission bushing, the locking nut is in threaded connection with the end part of the motor output shaft, and the transmission bushing is driven to be inserted into or removed from the installation gap along with screwing of the locking nut.
2. The motor shaft transmission mechanism of an electric foot pedal for an automobile according to claim 1, wherein the connecting plate assembly comprises an outer connecting plate and an inner connecting plate, both ends of the outer connecting plate are respectively hinged with the connecting rod bracket and the underframe, and both ends of the inner connecting plate are respectively hinged with the connecting rod bracket and the underframe.
3. The motor shaft transmission of claim 2, wherein the link bracket, the outer link plate, the chassis, and the inner link plate form a freely movable four-bar linkage when the motor is not mounted to the link bracket.
4. The motor shaft transmission of an automotive electric foot pedal of claim 2 wherein the motor output shaft is stepped and has a large diameter portion, a medium diameter portion and a small diameter portion, wherein the small diameter portion passes through the drive shaft and projects outwardly.
5. The motor shaft transmission of an automotive electric foot pedal of claim 4 wherein said large diameter portion is in clearance fit with said drive shaft, said middle diameter portion and said drive shaft defining said mounting gap therebetween, said small diameter portion being adapted for threaded connection with said lock nut.
6. The motor shaft transmission of an automotive electric foot pedal of claim 5 wherein said motor output shaft transmits torque to said drive shaft through said drive bushing after said drive bushing is inserted into said mounting gap, said drive shaft being in interference engagement with said inner link plate and being hinged to said link bracket.
7. The motor shaft transmission mechanism of an electric pedal of an automobile according to claim 1, wherein spline, gear, polygonal surface and other modes can be adopted for matching between the motor output shaft and the transmission bushing and between the transmission bushing and the transmission shaft.
8. The motor shaft transmission mechanism of an electric pedal of an automobile according to claim 1, wherein the end part of the transmission bushing is provided with an outwardly protruding clamping part, and the end part of the locking nut is provided with a clamping groove, and the clamping part is connected with the clamping groove in a matching manner.
9. The motor shaft transmission of an automotive electric foot pedal of claim 1, further comprising a motor housing, the motor being disposed within the motor housing and connected to the link bracket by the motor housing.
10. The motor shaft transmission of an electric footboard of claim 1 further comprising a driven linkage configured as a freely movable multi-linkage, one end of the driven linkage being configured to mount the footboard and the other end being configured to be coupled to a vehicle body, the driven linkage being on the same side of the footboard as the driving linkage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222977125.2U CN219601081U (en) | 2022-11-09 | 2022-11-09 | Motor shaft transmission mechanism of electric pedal of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222977125.2U CN219601081U (en) | 2022-11-09 | 2022-11-09 | Motor shaft transmission mechanism of electric pedal of automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219601081U true CN219601081U (en) | 2023-08-29 |
Family
ID=87752471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222977125.2U Active CN219601081U (en) | 2022-11-09 | 2022-11-09 | Motor shaft transmission mechanism of electric pedal of automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219601081U (en) |
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2022
- 2022-11-09 CN CN202222977125.2U patent/CN219601081U/en active Active
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