CN210087097U - Automobile electric stay bar and automobile - Google Patents
Automobile electric stay bar and automobile Download PDFInfo
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- CN210087097U CN210087097U CN201920377798.XU CN201920377798U CN210087097U CN 210087097 U CN210087097 U CN 210087097U CN 201920377798 U CN201920377798 U CN 201920377798U CN 210087097 U CN210087097 U CN 210087097U
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Abstract
The utility model relates to an electronic vaulting pole of car and car. Wherein, this electronic vaulting pole of car includes outer tube, interior sleeve pipe and the air spring that outside-in set gradually, interior sleeve pipe can be relative the outer tube is flexible, the one end of outer tube is connected with first fixed head, interior sleeve pipe stretch out in the end connection of outer tube has the second fixed head, the air spring includes cylinder and piston rod, be formed with the gas storage chamber in the cylinder, the one end movably of piston rod is located in the cylinder, the other end wear out the cylinder and with second fixed head rotatable coupling, the cylinder with drive connection between the interior sleeve pipe, be equipped with drive arrangement in the outer tube, drive arrangement is used for the drive the cylinder rotates, and then drives interior sleeve pipe is linear motion along the axial. The utility model discloses an electronic vaulting pole of car whole size is less, and has higher factor of safety.
Description
Technical Field
The utility model relates to the technical field of automobiles, especially, relate to an electronic vaulting pole of car and car.
Background
The electric stay bar of the automobile is usually arranged at the position of the tail door of the automobile so as to realize the automatic opening and closing of the tail door of the automobile. Traditional electronic vaulting pole of car, its inside pressure spring that generally is provided with offsets partly heavy, the auxiliary switch door, but the pressure spring required space is bigger, and the external diameter size who leads to electronic vaulting pole is bigger, and when electronic vaulting pole damages, because the pressure spring atress compression always, can produce an instantaneous explosive force, produces the explosive rod very easily and injures people's incident, and factor of safety is lower.
SUMMERY OF THE UTILITY MODEL
Therefore, the automobile electric stay bar and the automobile need to be provided aiming at the problems that the traditional automobile electric stay bar is large in size and low in safety factor.
The utility model provides an electronic vaulting pole of car, includes outer tube, interior sleeve pipe and air spring that outside-in set gradually, interior sleeve pipe can be relative the outer tube is flexible, the one end of outer tube is connected with first fixed head, interior sleeve pipe stretch out in the end connection of outer tube has the second fixed head, the air spring includes cylinder and piston rod, be formed with the gas storage chamber in the cylinder, the one end movably of piston rod is located in the cylinder, the other end is worn out the cylinder and with second fixed head rotatable coupling, the cylinder with drive connection between the interior sleeve pipe, be equipped with drive arrangement in the outer tube, drive arrangement is used for the drive the cylinder rotates, and then drives interior sleeve pipe is linear motion along the axial.
The automobile electric stay bar can be particularly applied to an automobile tail door, wherein the first fixing head is used for being connected and fixed with an automobile body, and the second fixing head is used for being connected and fixed with the automobile tail door. The gas spring comprises a cylinder barrel and a piston rod, and inert gas or oil-gas mixture can be filled in a gas storage cavity of the cylinder barrel. When the automobile electric stay bar works, the cylinder barrel is driven to rotate through the driving device, the cylinder barrel is in transmission connection with the inner sleeve, and the rotary motion of the cylinder barrel can be converted into the linear motion of the inner sleeve in the axial direction, so that the stretching of the inner sleeve relative to the outer sleeve is realized, and the automobile tail door is driven to be automatically opened or closed. The piston rod of the gas spring can support the automobile tail door to a certain extent, offset part of door weight, and realize the effect of the pressure spring in the traditional automobile electric stay bar.
The utility model discloses an electronic vaulting pole of car replaces the pressure spring to have following beneficial effect at least through the air spring: the size of the gas spring is smaller than that of a pressure spring with the same force value, so that the size of the electric support rod of the automobile can be miniaturized, and the electric support rod is convenient to install; because the cylinder barrel of the air spring is continuous, abnormal sound similar to that generated by scraping the inner wall of the inner sleeve by a pressure spring can not be generated, and the automobile electric stay bar has a better silencing effect; the air spring has a damping effect, so that instant explosive force cannot be generated, the accident that the automobile tail gate is damaged by an explosion rod cannot be generated in the operation process, and the safety coefficient of the automobile electric stay bar can be effectively improved.
In one embodiment, the outer circumferential surface of the cylinder barrel is provided with external threads, the inner circumferential surface of one end of the inner sleeve, which is far away from the second fixing head, is provided with internal threads, and the internal threads are in transmission fit with the external threads.
In one embodiment, the inner sleeve is provided with an internal thread on the inner circumferential surface, and one end of the cylinder barrel close to the second fixing head is provided with an external thread which is in transmission fit with the internal thread.
In one embodiment, the driving device comprises a driving motor and a reduction gearbox connected with an output shaft of the driving motor, a connecting column is arranged at one end, far away from the second fixing head, of the cylinder barrel, and the connecting column is in transmission connection with the reduction gearbox.
In one embodiment, the connecting column is connected with the reduction gearbox through a spline.
In one embodiment, the driving device further comprises a motor adapter, a plurality of limiting grooves are formed in one side, away from the driving motor, of the reduction gearbox, a plurality of limiting columns are arranged on the motor adapter and are in plug-in fit with the limiting grooves, the outer peripheral surface of the motor adapter is fixedly connected with the outer sleeve, and through holes for the connecting columns to penetrate through are formed in the motor adapter.
In one embodiment, the driving device further comprises a bearing seat, the bearing seat is arranged on one side, away from the reduction gearbox, of the motor adapter, a first bearing is installed in the bearing seat, and the connecting column is sleeved in an inner ring of the first bearing.
In one embodiment, a bearing installation cavity is formed in the end, inserted into the inner sleeve, of the second fixed head, a second bearing is installed in the bearing installation cavity, and the piston rod is sleeved in an inner ring of the second bearing.
In one embodiment, the second fixing head includes a fixing head main body and an installation barrel, the fixing head main body has an insertion end inserted into the inner sleeve, a sunken groove is formed in the middle of the insertion end, an annular groove is formed in the periphery of the sunken groove at the insertion end, one end of the installation barrel is inserted into the annular groove, a limit convex portion is formed in the inner peripheral wall of the installation barrel, the second bearing is fixed between the limit convex portion and the insertion end, and the end portion of the piston rod penetrates through the second bearing and is accommodated in the sunken groove.
An automobile, comprising:
a vehicle body;
a vehicle tailgate; and
according to the electric automobile stay bar, the first fixing head is connected with the automobile body, and the second fixing head is connected with the automobile tail door.
Drawings
Fig. 1 is a schematic structural view of an electric stay of an automobile according to an embodiment of the present invention;
FIG. 2 is an exploded view of the electric stay of FIG. 1;
FIG. 3 is a schematic cross-sectional view of the electric stay of the vehicle shown in FIG. 1;
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
fig. 5 is a partially enlarged schematic view of a portion B in fig. 3.
10. The device comprises an outer sleeve, 20, an inner sleeve, 21, inner threads, 30, an air spring, 31, a cylinder barrel, 311, a connecting column, 32, a piston rod, 40, a first fixing head, 50, a second fixing head, 51, a fixing head body, 511, an inserting end, 512, a sinking groove, 52, an installation cylinder, 521, a limiting convex part, 60, a driving device, 61, a driving motor, 62, a reduction box, 63, a motor adapter, 64, a bearing seat, 70, a first bearing, 80 and a second bearing.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. In the present invention, the terms "first" and "second" do not denote any particular quantity or order, but are merely used to distinguish names.
Referring to fig. 1 to 3, an electric stay bar for an automobile includes an outer sleeve 10, an inner sleeve 20 and an air spring 30, the outer sleeve 10, the inner sleeve 20 is retractable relative to the outer sleeve 20, one end of the outer sleeve 10 is connected with a first fixing head 40, the end of the inner sleeve 20 extending out of the outer sleeve 10 is connected with a second fixing head 50, the air spring 30 includes a cylinder 31 and a piston rod 32, a gas storage cavity is formed in the cylinder 31, one end of the piston rod 32 is movably disposed in the cylinder 31, the other end of the piston rod penetrates out of the cylinder 31 and is rotatably connected with the second fixing head 50, the cylinder 31 and the inner sleeve 20 are in transmission connection, a driving device 60 is disposed in the outer sleeve 10, and the driving device 60 is used for driving the cylinder 31 to rotate.
Specifically, the outer sleeve 10 and the inner sleeve 20 may both be plastic pipes formed by injection molding, and a first cavity for mounting the driving device 60 and a second cavity for receiving the inner sleeve 20 are formed inside the outer sleeve 10. The outer sleeve 10 and the first fixing head 40 can be connected and fixed by laser welding or spot pressing, and the second fixing head 50 can be connected and fixed with the inner sleeve 20 by laser welding or spot pressing.
The electric automobile stay bar can be particularly applied to an automobile tail door, wherein the first fixing head 40 is used for being connected and fixed with an automobile body, and the second fixing head 50 is used for being connected and fixed with the automobile tail door. The gas spring 30 comprises a cylinder 31 and a piston rod 32, and an air storage cavity of the cylinder 31 can be filled with inert gas or oil-gas mixture. When the automobile electric stay bar works, the driving device 60 drives the cylinder 31 to rotate, the cylinder 31 is in transmission connection with the inner sleeve 20, and the rotary motion of the cylinder 31 can be converted into the linear motion of the inner sleeve 20 in the axial direction, so that the inner sleeve 20 can extend relative to the outer sleeve 10, and the automobile tail gate is driven to be automatically opened or closed. The piston rod 32 of the gas spring 30 can support the automobile tail gate to a certain extent, offset part of the gate weight, and realize the effect of the pressure spring in the traditional automobile electric stay bar.
The utility model discloses an electronic vaulting pole of car replaces the pressure spring to have following beneficial effect at least through air spring 30: the size of the gas spring 30 is smaller than that of a pressure spring with the same force value, so that the size of the electric support rod of the automobile can be miniaturized, and the electric support rod is convenient to install; because the cylinder 31 of the gas spring 30 is continuous, abnormal sound which is similar to that generated by the fact that a pressure spring scratches the inner wall of the inner sleeve 20 cannot be generated, and the automobile electric stay bar can have a better silencing effect; the gas spring 30 has a damping effect, so that instant explosive force cannot be generated, the accident that the automobile tail gate is damaged by a blasting rod cannot be generated in the operation process, and the safety coefficient of the electric stay bar of the automobile can be effectively improved.
The form of the transmission connection between the cylinder 31 and the inner sleeve 20 is various, for example, in one embodiment, the outer circumference of the cylinder 31 is provided with an external thread, the inner circumference of the end of the inner sleeve 20 away from the second fixing head 50 is provided with an internal thread 21, and the internal thread 21 is in transmission fit with the external thread. Specifically, a thread transmission structure is formed between the internal threads 21 and the external threads on the cylinder 31, and when the driving device 60 drives the cylinder 31 to rotate, the driving device can drive the internal sleeve 20 to perform linear motion along the axial direction of the cylinder 31.
In another embodiment (not shown), the inner sleeve 20 has an inner thread on its inner circumference, and the cylinder 31 has an outer thread on its end near the second fixing head 50, the outer thread being in driving engagement with the inner thread. The transmission connection can also be realized by providing an inner thread extending spirally in the axial direction on the inner circumferential surface of the inner sleeve 20 and an outer thread on the cylinder 31, so that the rotary motion of the cylinder 31 is converted into the linear motion of the inner sleeve 20.
Further, referring to fig. 4, the driving device 60 includes a driving motor 61 and a reduction box 62 connected to an output shaft of the driving motor 61, a connection column 311 is disposed at one end of the cylinder 31 far away from the second fixing head 50, and the connection column 311 is in transmission connection with the reduction box 62. The connecting column 311 is arranged at the end part of the cylinder 31, the cylinder 31 can be conveniently connected with the reduction gearbox 62, the reduction gearbox 62 is driven by the driving motor 61 to operate, the reduction gearbox 62 drives the cylinder 31 to rotate, and then the linear motion of the inner sleeve 20 is converted, the whole structure is compact, the matching is reliable, and the motion stability of the inner sleeve 20 can be ensured.
Preferably, the connecting column 311 is connected with the reduction box 62 through a spline. Specifically, the outer peripheral surface of the end part of the connecting column 311 is provided with an external spline, the reduction gearbox 62 is provided with an internal spline which is meshed with the external spline of the connecting column 311, and the transmission efficiency is high through spline connection.
Further, the driving device 60 further comprises a motor adapter 63, one side of the reduction gearbox 62 far away from the driving motor 61 is provided with a plurality of limiting grooves, the motor adapter 63 is provided with a plurality of limiting columns which are in plug-in fit with the limiting grooves, the peripheral surface of the motor adapter 63 is fixedly connected with the outer sleeve 10, and the motor adapter 63 is provided with a through hole for the connecting column 311 to pass through. One end of the motor adapter 63 is clamped with the limiting groove of the reduction gearbox 62 through the limiting column, and meanwhile, the outer peripheral surface of the motor adapter 63 is fixed with the outer sleeve 10 through a pressing point, so that the installation stability of the driving motor 61 and the reduction gearbox 62 can be guaranteed, and the driving motor 61 is prevented from rotating in the working process.
Further, a damping rubber is disposed between the first fixing head 40 and the driving motor 61. The end face of the first fixing head 40 can press the rear end cover of the driving motor 61 through the damping rubber, and can play a certain damping and buffering role when the driving motor 61 works.
Further, the driving device 60 further includes a bearing seat 64, the bearing seat 64 is disposed on one side of the motor adapter 63 away from the reduction box 62, a first bearing 70 is installed in the bearing seat 64, and the connecting column 311 is sleeved in an inner ring of the first bearing 70. The bearing seat 64 and the first bearing 70 can support the rotation of the cylinder 31, so as to ensure the smooth rotation of the cylinder 31. In other embodiments, the motor adapter 63 and the bearing housing 64 may be a unitary structure.
Furthermore, a threading hole is formed in the first fixing head 40, a waterproof rubber sleeve can be arranged at the threading hole, and the wire group of the driving device 60 penetrates out of the threading hole into the waterproof rubber sleeve. The waterproof rubber sleeve can be a corrugated pipe. Drive arrangement 60's wire group can wear out from the through wires hole and be connected to ECU control module to realize ECU control module to the operation control of automobile electric stay bar, simultaneously, through setting up waterproof gum cover, can play fine waterproof effect to wire group, in order to guarantee safety in utilization.
Further, a bearing installation cavity is arranged at the end part of the second fixing head 50 inserted into the inner sleeve 20, a second bearing 80 is installed in the bearing installation cavity, and the piston rod 32 is sleeved in the inner ring of the second bearing 80. The second bearing 80 can act as a fulcrum for the rotation of the piston rod 32, and when the cylinder 31 rotates, the piston rod 32 can rotate through the bearing for adaptive adjustment, thereby ensuring the normal extension and contraction of the piston rod 32.
Further, referring to fig. 5, the second fixing head 50 includes a fixing head main body 51 and an installation tube 52, the fixing head main body 51 has an inserting end 511 inserted into the inner sleeve 20, a sinking groove 512 is disposed in the middle of the inserting end 511, an annular groove is disposed at the periphery of the sinking groove 512 at the inserting end 511, one end of the installation tube 52 is inserted into the annular groove, a limiting protrusion 521 is disposed on the inner peripheral wall of the installation tube 52, the second bearing 80 is fixed between the limiting protrusion 521 and the inserting end 511, and the end of the piston rod 32 passes through the second bearing 80 and is accommodated in the sinking groove 512. Specifically, during assembly, the mounting cylinder 52 is inserted into the annular groove to be fixedly connected with the fixing head main body 51, the second bearing 80 is arranged in the mounting cylinder 52, and finally, the mounting cylinder is fixed through a pressing point.
The utility model also provides a car, this car include automobile body, car tail-gate and the electronic vaulting pole of car. The specific structure of the electric stay bar of the automobile can refer to the above embodiment. The first fixing head is connected with the automobile body, and the second fixing head is connected with the automobile tail door. Since the automobile adopts all the technical solutions of the above embodiments, at least all the beneficial effects brought by the above embodiments are achieved, and are not described in detail herein.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. The utility model provides an electronic vaulting pole of car, its characterized in that includes outer tube, interior sleeve pipe and the air spring that outside-in set gradually, interior sleeve pipe can be relative the outer tube is flexible, the one end of outer tube is connected with first fixed head, interior sleeve pipe stretch out in the end connection of outer tube has the second fixed head, the air spring includes cylinder and piston rod, be formed with the gas storage chamber in the cylinder, the one end movably of piston rod is located in the cylinder, the other end wear out the cylinder and with second fixed head rotatable coupling, the cylinder with the transmission is connected between the interior sleeve pipe, be equipped with drive arrangement in the outer tube, drive arrangement is used for the drive the cylinder rotates, and then drives interior sleeve pipe is linear motion along the axial.
2. The electric stay bar for the automobile according to claim 1, wherein an external thread is arranged on the outer peripheral surface of the cylinder barrel, an internal thread is arranged on the inner peripheral surface of one end of the inner sleeve pipe away from the second fixing head, and the internal thread is in transmission fit with the external thread.
3. The automotive electric stay bar according to claim 1, wherein the inner sleeve is provided with an internal thread on the inner circumferential surface, and an external thread is arranged at one end of the cylinder barrel close to the second fixing head and is in transmission fit with the internal thread.
4. The electric stay bar for the automobile according to claim 1, wherein the driving device comprises a driving motor and a reduction gearbox connected with an output shaft of the driving motor, a connecting column is arranged at one end of the cylinder barrel, which is far away from the second fixing head, and the connecting column is in transmission connection with the reduction gearbox.
5. The electric stay bar for automobiles of claim 4, wherein the connecting column is connected with the reduction box through a spline.
6. The electric stay bar for automobiles according to claim 4, wherein the driving device further comprises a motor adapter, a plurality of limiting grooves are arranged on one side of the reduction box away from the driving motor, a plurality of limiting posts which are inserted and matched with the limiting grooves are arranged on the motor adapter, the outer peripheral surface of the motor adapter is fixedly connected with the outer sleeve, and a through hole for the connecting post to pass through is arranged on the motor adapter.
7. The electric stay bar for the automobile as claimed in claim 6, wherein the driving device further comprises a bearing seat, the bearing seat is arranged on one side of the motor adapter far away from the reduction gearbox, a first bearing is installed in the bearing seat, and the connecting column is sleeved in an inner ring of the first bearing.
8. The automobile electric stay bar according to any one of claims 1 to 7, wherein a bearing installation cavity is arranged at the end of the second fixing head inserted into the inner sleeve, a second bearing is installed in the bearing installation cavity, and the piston rod is sleeved in the inner ring of the second bearing.
9. The electric stay bar of claim 8, wherein the second fixing head comprises a fixing head body and an installation tube, the fixing head body has an insertion end inserted into the inner sleeve, a sinking groove is formed in the middle of the insertion end, an annular groove is formed in the periphery of the sinking groove at the insertion end, one end of the installation tube is inserted into the annular groove, a limiting convex part is formed on the inner circumferential wall of the installation tube, the second bearing is fixed between the limiting convex part and the insertion end, and the end of the piston rod penetrates through the second bearing and is accommodated in the sinking groove.
10. An automobile, comprising:
a vehicle body;
a vehicle tailgate; and
the electric stay bar for vehicle according to any one of claims 1 to 9, wherein the first fixing head is connected to the vehicle body, and the second fixing head is connected to the tail gate of the vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920377798.XU CN210087097U (en) | 2019-03-25 | 2019-03-25 | Automobile electric stay bar and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920377798.XU CN210087097U (en) | 2019-03-25 | 2019-03-25 | Automobile electric stay bar and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210087097U true CN210087097U (en) | 2020-02-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920377798.XU Active CN210087097U (en) | 2019-03-25 | 2019-03-25 | Automobile electric stay bar and automobile |
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| Country | Link |
|---|---|
| CN (1) | CN210087097U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI790884B (en) * | 2022-01-07 | 2023-01-21 | 信昌機械廠股份有限公司 | Electric power strut |
-
2019
- 2019-03-25 CN CN201920377798.XU patent/CN210087097U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI790884B (en) * | 2022-01-07 | 2023-01-21 | 信昌機械廠股份有限公司 | Electric power strut |
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