CN212583500U

CN212583500U - Electric stay bar for automobile tail door

Info

Publication number: CN212583500U
Application number: CN202020319408.6U
Authority: CN
Inventors: 叶俊辉; 谭君明; 黄铁劲
Original assignee: Foshan Fast Time Technology Co ltd
Current assignee: Foshan Fast Time Technology Co ltd
Priority date: 2020-03-13
Filing date: 2020-03-13
Publication date: 2021-02-23
Anticipated expiration: 2030-03-13

Abstract

The utility model relates to an electric stay bar for a tail gate of an automobile, which comprises a telescopic outer sleeve, a compression spring positioned in the outer sleeve, a nut component positioned in the outer sleeve, a screw rod matched with the nut component, a driving mechanism for driving the screw rod to move, a coupler for connecting the driving mechanism and the screw rod, and connecting pieces positioned at two ends of the outer sleeve; the connecting piece comprises a connecting body, a ball socket and an elastic clamping piece, wherein the ball socket is positioned in the connecting body, and the elastic clamping piece is embedded in the connecting body and partially exposed in the ball socket. The utility model provides an electronic vaulting pole for car tail-gate, convenient and fast, and the reliability is high, and on the other hand passes through the setting of spring for the tail-gate is elastic connection with the automobile body at the switch in-process, and when the noise elimination, protection automobile body, tail-gate and electronic vaulting pole do not receive the damage.

Description

Electric stay bar for automobile tail door

Technical Field

The utility model relates to an automobile parts technical field specifically, relates to an electronic vaulting pole of car tail-gate.

Background

Along with the improvement of science and technology level, the car is also more and more automatic, consequently, the tail-gate all can be opened automatically to current a lot of cars, generally adopts electronic vaulting pole to strut the tail-gate.

The existing electric stay bar is complex in structure, and in the process of opening the tail gate, because the angle is changed constantly, the two ends of the electric stay bar (namely the two ends connected with the automobile body and the tail gate respectively) are easy to deform and the like, and in the long-term use process, the tail gate is easy to open completely or the opening process is unsmooth, the reliability is low, the use experience of a user is influenced, and the use requirement of people on an intelligent automobile can not be met.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to provide an electronic vaulting pole for car tail-gate, convenient to use, the reliability is high, satisfies the market demand.

In order to solve the technical problem, the utility model provides an electric stay bar for an automobile tail gate, which comprises a telescopic outer sleeve, a compression spring positioned inside the outer sleeve, a nut component positioned inside the outer sleeve, a screw rod matched with the nut component, a driving mechanism for driving the screw rod to move, a coupling for connecting the driving mechanism and the screw rod, and connecting pieces positioned at two ends of the outer sleeve;

the connecting piece comprises a connecting body, a ball socket and an elastic clamping piece, wherein the ball socket is positioned in the connecting body, and the elastic clamping piece is embedded in the connecting body and partially exposed in the ball socket.

Preferably, the outer sleeve comprises a first sleeve and a second sleeve slidably connected with the first sleeve;

the first sleeve is of a tubular structure with two open ends, and the second sleeve extends into the first sleeve.

Preferably, the compression spring is always in a compressed state, and one end of the compression spring is fixed inside the first sleeve, and the other end of the compression spring is fixed at the end of the second sleeve.

Preferably, the nut assembly is located inside the second sleeve and is connected to the second sleeve;

the nut component is sleeved on the screw rod, and an internal thread is arranged in the nut component.

Preferably, the surface of the screw rod is provided with an external thread, and the external thread is matched with the internal thread.

Preferably, the driving mechanism comprises a speed reducer, a rotating shaft connected with the speed reducer, a connecting structure connected with the rotating shaft and a through hole located inside the connecting structure, and the through hole is of a non-circular structure.

Preferably, the shaft coupling is including stretching into the inside public shaft coupling of through-hole and with the female shaft coupling of public shaft coupling mutually supporting, public shaft coupling stretches into inside the through-hole, the female shaft coupling cover is located on the public shaft coupling.

Preferably, the female coupling is provided with a connecting hole, the connecting hole is of a non-circular structure, and the end of the screw rod extends into the connecting hole.

Preferably, the shaft coupling is also sleeved with a bearing and a bearing seat for fixing the bearing, and the bearing seat and the bearing are embedded between the first sleeve and the shaft coupling.

Preferably, a guide pipe is further arranged outside the screw rod and nut assembly and is fixed on the bearing seat.

Implement the utility model discloses, following beneficial effect has:

the utility model provides an electronic vaulting pole for car tail-gate, in the working process, actuating mechanism passes through the shaft coupling drive the lead screw rotates, and the cover is located nut component on the lead screw rotates the in-process at the lead screw, along lead screw axial motion, follows with the second sleeve that nut component is connected nut component moves to realized the flexible of outer tube, realized the switch of tail-gate, convenient and fast, and the reliability is high, on the other hand, through the setting of spring, make the tail-gate at the switch in-process, be elastic connection with the automobile body, when the noise elimination, protection automobile body, tail-gate and electronic vaulting pole do not receive the damage.

Drawings

FIG. 1 is a schematic structural view of an electric stay bar for a tailgate of an automobile according to the present invention;

FIG. 2 is an exploded view of the power strut for the tailgate of an automobile of the present invention;

FIG. 3 is a schematic structural view of the electric stay bar for the tailgate of an automobile without an outer sleeve and a compression spring according to the present invention;

FIG. 4 is a schematic view of the structure of the connecting member of the electric stay bar for the tailgate of the vehicle according to the present invention;

fig. 5 is a schematic view of a partial cross-sectional structure of the electric stay bar for the tailgate of an automobile according to the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings. Only this statement, the utility model discloses the upper and lower, left and right, preceding, back, inside and outside etc. position words that appear or will appear in the text only use the utility model discloses an attached drawing is the benchmark, and it is not right the utility model discloses a concrete restriction.

As shown in fig. 1-4, the electric stay bar for the automobile tail gate of the present invention comprises a telescopic outer tube 1, a compression spring 2 located inside the outer tube 1, a nut component 3 located inside the outer tube 1, a lead screw 4 cooperating with the nut component 3, a driving mechanism 5 for driving the lead screw 4 to move, a coupling 6 connecting the driving mechanism 5 and the lead screw 4, and connecting pieces 7 located at two ends of the outer tube 1;

the connecting piece 7 comprises a connecting body 71, a ball socket 72 positioned in the connecting body 71, and an elastic clamping piece 73 embedded in the connecting body 71 and partially exposed in the ball socket 72.

As shown in fig. 2, the outer sleeve 1 is a telescopic tubular structure, and includes a first sleeve 11 and a second sleeve 12 slidably connected to the first sleeve 11, where the first sleeve 11 is a tubular structure with openings at two ends, and a portion of the second sleeve 12 extends into the first sleeve 11, so as to facilitate the telescopic movement of the outer sleeve 1.

The compression spring 2 is always in a compression state and used for supporting the automobile tail door, so that the opening and closing processes between the automobile tail door and the automobile body are all in elastic connection, and the phenomenon that the automobile body or the tail door is damaged due to hard connection is prevented. Specifically, one end of the compression spring 2 is fixed inside the first sleeve 11, and the other end of the compression spring is fixed at the end of the second sleeve 12, that is, in the process of extending and retracting the first sleeve 11 and the second sleeve 12, the compression spring 2 extends and retracts together with the first sleeve 11 and the second sleeve 12, and is always in a compressed state.

The nut component 3 is located inside the second sleeve 12 and connected with the second sleeve 12, so that the second sleeve 12 is driven to move together in the moving process, the relative movement between the second sleeve 12 and the first sleeve 11 is realized, and the extension and retraction of the outer sleeve 1 are realized.

In this embodiment, the nut component 3 is sleeved on the screw rod 4, and an internal thread is arranged inside the nut component, so that the nut component can interact with the screw rod 4 conveniently to realize the movement of the nut component.

The screw rod 4 is matched with the nut component 3, an external thread is arranged on the surface of the screw rod 4, and the external thread is matched with the internal thread, so that the interaction between the screw rod 4 and the nut component 3 is realized. The end part of the screw rod 4 is connected with the driving mechanism 5, so that the driving mechanism 5 can drive the screw rod 4 to rotate, and the movement of the nut component 3 is realized.

As shown in fig. 5, the driving mechanism 5 drives the screw rod 4 to move, and includes a speed reducer 51, a rotating shaft connected to the speed reducer 51, a connecting structure 52 connected to the rotating shaft, and a through hole located inside the connecting structure 52, the speed reducer drives the rotating shaft to rotate, so as to drive the connecting structure to rotate, the through hole is in a non-circular structure, so as to drive the shaft coupler 6 to rotate, and drive the screw rod 4 to rotate.

As shown in fig. 5, the coupling 6 connects the driving mechanism 5 and the lead screw 4, and includes a male coupling 61 extending into the through hole and a female coupling 62 mutually matched with the male coupling 61, wherein the male coupling 61 extends into the through hole, thereby realizing the linkage relationship between the rotating shaft and the male coupling 61. The female coupling 62 is sleeved on the male coupling 61, so that in the rotating process of the male coupling 61, the female coupling 61 rotates along with the male coupling 62 and transmits the rotation of the rotating shaft to the screw rod 4.

In order to realize the linkage between the female coupler 62 and the screw rod 4, a connecting hole is formed in the female coupler 62, the connecting hole is of a square, rectangular and other non-circular structure, and the end part of the screw rod 4 extends into the connecting hole, so that when the rotating shaft rotates, the linkage relation between the screw rod 4 and the rotating shaft is realized through a coupler.

In order to guarantee actuating mechanism 5, shaft coupling 6 isotructure can steadily rotate, 6 outer still covers of shaft coupling are equipped with the bearing and are used for fixing the bearing frame 8 of bearing, bearing frame 8 and bearing embedding first sleeve pipe 11 with between the shaft coupling 6, guarantee actuating mechanism 5 can stable drive lead screw 4 rotates, realizes the flexible of outer tube.

The utility model discloses an actuating mechanism 5 drives lead screw 4 rotates, and the cover is located nut component 3 on the lead screw 4 is at 4 pivoted in-processes of lead screw, follows the axial motion of lead screw 4 is in order to guarantee nut component 3 can steady motion, lead screw 4 and nut component 3 still are equipped with the stand pipe outward, the stand pipe is fixed in on the bearing frame 8, just nut component 3's external diameter slightly is less than the internal diameter of stand pipe guarantees nut component 3 is in can steady motion inside the stand pipe, guarantees opening smoothly of car tail-gate.

It should be noted that the guide tube is sleeved on the nut component 3, and the nut component 3 is connected with the second sleeve 12, so that in order to realize the connection between the second sleeve 12 and the nut component 3, strip-shaped through holes can be arranged on the tube wall of the guide tube, the strip-shaped through holes are distributed on the tube wall of the guide tube and are parallel to the axial direction of the guide tube, a connecting member connected with the nut component 3 conveniently penetrates through the strip-shaped through holes to be connected with the second sleeve 12, and the nut component is prevented from rotating along with the screw rod while the linkage between the nut component 3 and the second sleeve 12 is realized.

As shown in fig. 4, the connecting members 7 are located at both ends of the outer sleeve 1, and are used for connecting the electric stay with the vehicle body and the tailgate, and each of the connecting members includes a connecting body 71, a ball socket 72 located in the connecting body 71, and an elastic clip 73 embedded in the connecting body 71 and partially exposed in the ball socket 72, wherein the connecting body 71 is fixedly connected with the end of the outer sleeve 1 by a screw, and the ball socket 72 is located in the connecting body 71 and has a spherical structure, so that an external connecting mechanism can be embedded in the ball socket 72, and the connection between the external connecting mechanism and the connecting body 71 can be realized, and simultaneously, the ball socket 72 can rotate to match different connecting angles, thereby ensuring that the electric stay is not deformed due to the change of the connecting angle, and ensuring the reliability of the electric stay.

In order to realize the installation of the elastic clamping piece 73, an installation clamping groove is further formed in the connecting body 71, the elastic clamping piece 73 is embedded into the installation clamping groove and is made of a metal sheet, and the elastic clamping piece is partially exposed in the ball socket so as to be convenient for fixing an external connecting mechanism.

It should be noted that, external connection mechanism stretches into the inside in-process of ball socket 72, the elasticity fastener produces little deformation, retracts inside the installation slot, until external connection mechanism stretches into completely inside the ball socket 72 back, elasticity fastener 73 kick-backs under the effect of restoring force, blocks external connection mechanism, has realized external connection mechanism's fixing, and because ball socket 72 is spherical, can match the connection of different angles, guarantees the switch in-process of tail-gate, all can not cause the extrusion etc. to electronic vaulting pole, improves the reliability.

The utility model provides an electronic vaulting pole for car tail-gate, in the working process, actuating mechanism 5 passes through the drive of shaft coupling 6 lead screw 4 rotates, and the cover is located nut component 3 on the lead screw 4 rotates the in-process at lead screw 4, along 4 axial motion of lead screw, follows the second sleeve pipe 12 that is connected with nut component 3 moves to realized the flexible of outer tube 1, realized the switch of tail-gate, convenient and fast, and the reliability is high, on the other hand, through compression spring 2's setting, make the tail-gate at the switch in-process, be elastic connection with the automobile body, when the noise abatement, protection automobile body, tail-gate and electronic vaulting pole do not receive the damage.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.

Claims

1. An electric stay bar for an automobile tail gate is characterized by comprising a telescopic outer sleeve, a compression spring positioned in the outer sleeve, a nut assembly positioned in the outer sleeve, a screw rod matched with the nut assembly, a driving mechanism for driving the screw rod to move, a coupler for connecting the driving mechanism and the screw rod, and connecting pieces positioned at two ends of the outer sleeve;

2. The electric stay for a tailgate of an automobile according to claim 1, wherein said outer sleeve comprises a first sleeve and a second sleeve slidably connected to said first sleeve;

3. The electric stay for a tailgate of an automobile according to claim 2, characterized in that said compression spring is always in a compressed state, one end of which is fixed to the inside of said first sleeve and the other end of which is fixed to the end of said second sleeve.

4. The electric stay for a tailgate of an automobile according to claim 2, characterized in that said nut assembly is located inside and connected with said second bushing;

5. The electric stay for a tailgate of an automobile according to claim 4, characterized in that a surface of said lead screw is provided with an external thread, said external thread and said internal thread being matched with each other.

6. The electric stay bar for a tailgate of an automobile according to claim 1, wherein the driving mechanism comprises a speed reducer, a rotating shaft connected with the speed reducer, a connecting structure connected with the rotating shaft, and a through hole located inside the connecting structure, the through hole having a non-circular structure.

7. The electric stay bar for the automobile tail gate of claim 6, wherein the coupler comprises a male coupler extending into the through hole and a female coupler cooperating with the male coupler, the male coupler extends into the through hole, and the female coupler is sleeved on the male coupler.

8. The electric stay bar for a tailgate of an automobile according to claim 7, wherein the female coupling is provided with a coupling hole having a non-circular structure, and an end of the lead screw is inserted into the coupling hole.

9. The electric stay bar for the automobile tail gate as claimed in claim 2, wherein a bearing and a bearing seat for fixing the bearing are further sleeved outside the coupler, and the bearing seat and the bearing are embedded between the first sleeve and the coupler.

10. The electric stay for a tailgate of an automobile according to claim 9, characterized in that a guide tube is further provided outside the lead screw and nut assembly, the guide tube being fixed to the bearing housing.