CN210977034U

CN210977034U - Automobile tail door pull rod explosion-proof structure

Info

Publication number: CN210977034U
Application number: CN201920973914.4U
Authority: CN
Inventors: 高志彪; 施海华; 张晓伟
Original assignee: Linked Intelligent Technology Co ltd
Current assignee: Linked Intelligent Technology Co ltd
Priority date: 2019-06-26
Filing date: 2019-06-26
Publication date: 2020-07-10
Anticipated expiration: 2029-06-26

Abstract

An automobile tail gate pull rod explosion-proof structure comprises a motor outer tube, a motor reduction box, a protective sleeve, a shock absorption sleeve, an end cover, a fixed seat, a damper outer fixed sleeve, a damper, a spring fixed seat, a spring, a bearing rubber sleeve, a bearing and a screw rod; the tail part in the outer tube of the motor is provided with the motor and a motor reduction box, the tail end of the motor is sleeved with a protective sleeve, and the head end of the motor reduction box is sleeved with a damping sleeve; the middle part in the outer tube of the motor is provided with a fixed seat and an outer fixed sleeve of the damper; the head of the motor shell is provided with a spring fixing seat, and the tail end of the spring fixing seat is abutted against the end face of the head end of the damper outer fixing sleeve. The protective sleeve and the damping sleeve fully reduce the noise and vibration of the motor; the motor outer tube is fixedly connected with the end cover of the tail part, the fixing seat of the middle part and the spring fixing seat of the head part in a circumferential riveting mode, and the metal extrusion integrated structure can effectively reduce the risk of explosion of the automobile tail door pull rod.

Description

Automobile tail door pull rod explosion-proof structure

Technical Field

The utility model belongs to the technical field of car tail-gate pull rod, in particular to car tail-gate pull rod explosion-proof construction.

Background

During vehicle use, the automotive tailgate pull rod is one of the most frequently used components. Under the prior art condition, when the automobile tail gate pull rod is assembled, some use the screw fastening, and some use the inside and outside sleeve pipe screw-thread fastening. The reliability of the thread structure is seriously tested due to the frequent pulling or contraction of the pull rod of the tail gate of the automobile. Once the screw thread slips, the spring in the pull rod pops out, and the whole pull rod has the risk of bursting open, seriously threatens the life safety of human bodies.

SUMMERY OF THE UTILITY MODEL

The utility model provides an above-mentioned problem, a car tail-gate pull rod explosion-proof construction is provided.

The purpose of the utility model can be realized by the following technical scheme: an automobile tail gate pull rod explosion-proof structure comprises a motor outer tube, a motor reduction box, a protective sleeve, a shock absorption sleeve, an end cover, a fixed seat, a damper outer fixed sleeve, a damper, a spring fixed seat, a spring, a bearing rubber sleeve, a bearing and a screw rod; the tail part of the motor outer tube is sequentially provided with a motor and a motor reduction box along the axial direction, the motor and the motor reduction box are connected and are not directly contacted with the motor outer tube, the tail end of the motor is sleeved with a protective sleeve to be contacted with the motor outer tube, the protective sleeve is abutted against an end cover at the tail end of the motor outer tube, the head end of the motor reduction box is sleeved with a damping sleeve to be contacted with the motor outer tube, and the motor reduction box is connected with a screw rod; the middle part in the outer tube of the motor is sequentially provided with a fixed seat and an outer fixed sleeve of the damper along the axial direction, two ends of the fixed seat respectively support against the outer fixed sleeve of the damper and the fixed seat and separate the outer fixed sleeve of the damper from the fixed seat, and the damper is arranged in the outer fixed sleeve of the damper; the head of the motor shell is provided with a spring fixing seat, one end of a spring is fixed at the head of the spring fixing seat, the tail end of the spring fixing seat extends into the motor shell and abuts against the end face of the head end of the damper outer fixing sleeve, a bearing rubber sleeve is arranged in the tail of the spring fixing seat, and a bearing is arranged in the bearing rubber sleeve; the motor outer tube is connected with the side face of the end cover, the side face of the fixing seat and the side face of the spring fixing seat in a riveting mode, first riveting grooves are correspondingly formed in the side faces of the motor outer tube and the end cover in the circumferential direction respectively, second riveting grooves are correspondingly formed in the side faces of the motor outer tube and the fixing seat in the circumferential direction respectively, and third riveting grooves are correspondingly formed in the side faces of the motor outer tube and the spring fixing seat in the circumferential direction respectively.

Furthermore, the screw rod passes through the damping sleeve, the fixing seat, the damper outer fixing sleeve, the damper, the spring fixing seat, the bearing rubber sleeve and the bearing along the axis.

Compared with the prior art, the beneficial effects of the utility model are that: the protective sleeve and the damping sleeve enable the motor and the motor reduction box not to be directly contacted with the outer tube of the motor, so that the vibration of the motor and the motor reduction box is prevented from being directly transmitted to the outside of the pull rod, the noise generated when the motor works is effectively absorbed, and the noise and the vibration are fully reduced; the end cover of motor outer tube and afterbody, the fixing base at middle part and the spring fixing base of head adopt the mode fixed connection of circumference riveting, first riveting recess and second riveting recess are with the motor, the motor reducing gear box, protective sheath and shock attenuation cover are fixed, prevent its axial displacement, second riveting recess and third riveting recess are with the outer fixed cover of attenuator, the bearing rubber cover, the bearing is fixed, prevent its axial displacement, because above-mentioned structure is metal extrusion integrated into one piece, can reduce the risk that the car tail-gate pull rod bursts open effectively.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a cross-sectional view of the present invention.

The parts in the figures are numbered as follows:

1 outer tube of motor

2 electric machine

3 electric motor reduction gearbox

4 protective sleeve

5 shock-absorbing sleeve

6 end cap

7 fixed seat

8 external fixed sleeve of damper

9 damper

10 spring fixing seat

11 spring

12 bearing rubber sleeve

13 bearing

14 screw mandrel

a first riveting groove

b second riveting groove

c, third riveting and pressing the groove.

Detailed Description

The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings to make it clear to those skilled in the art how to practice the invention. While the invention has been described in connection with its preferred embodiments, these embodiments are intended to be illustrative, and not to limit the scope of the invention.

Referring to fig. 1 and 2, an explosion-proof structure of a pull rod of an automobile tail door comprises a motor outer tube 1, a motor 2, a motor reduction box 3, a protective sleeve 4, a damping sleeve 5, an end cover 6, a fixed seat 7, a damper outer fixed sleeve 8, a damper 9, a spring fixed seat 10, a spring 11, a bearing rubber sleeve 12, a bearing 13 and a screw rod 14.

The motor is characterized in that a motor 2 and a motor reduction gearbox 3 are sequentially arranged at the tail part in the motor outer tube 1 along the axial direction, the motor 2 and the motor reduction gearbox 3 are connected and are not directly contacted with the motor outer tube 1, a protective sleeve 4 is sleeved at the tail end of the motor 2 to be fully contacted with the motor outer tube 1, the protective sleeve 4 is abutted on an end cover 6 at the tail end of the motor outer tube 1, and a damping sleeve 5 is sleeved at the head end of the motor reduction gearbox 3 to be fully contacted with the motor outer tube 1. The motor outer tube 1 is connected with the side face of the end cover 6 in a riveting mode, and the side faces of the motor outer tube 1 and the side face of the end cover 6 are respectively provided with a first riveting groove a correspondingly along the circumferential direction.

The middle part in the motor outer tube 1 is equipped with fixing base 7 and the outer fixed cover 8 of attenuator in proper order along the axial, the both ends of fixing base 7 support the outer fixed cover 8 of attenuator and fixing base 7 respectively to separate the outer fixed cover 8 of attenuator and fixing base 7, be equipped with attenuator 9 in the outer fixed cover 8 of attenuator. The motor outer tube 1 is connected with the side face of the fixing seat 7 in a riveting mode, and second riveting grooves b are formed in the side faces of the motor outer tube 1 and the side face of the fixing seat 7 correspondingly in the circumferential direction.

The head of the shell of the motor 2 is provided with a spring fixing seat 10, one end of a spring 11 is fixed at the head of the spring fixing seat 10, the tail end of the spring fixing seat 10 extends into the shell of the motor 2 and abuts against the end face of the head end of the damper outer fixing sleeve 8, a bearing rubber sleeve 12 is arranged in the tail of the spring fixing seat 10, and a bearing 13 is arranged in the bearing rubber sleeve 12. The motor outer tube 1 is connected with the side face of the spring fixing seat 10 in a riveting mode, and third riveting grooves c are formed in the side faces of the motor outer tube 1 and the side face of the spring fixing seat 10 correspondingly in the circumferential direction.

One end of the screw rod 14 is connected with the motor reduction box 3 and passes through the damping sleeve 5, the fixed seat 7, the damper outer fixed sleeve 8, the damper 9, the spring fixed seat 10, the bearing rubber sleeve 12 and the bearing 13 along the axis.

When the automobile tail door pull rod works, the protective sleeve 4 and the damping sleeve 5 enable the motor 2 and the motor reduction gearbox 3 not to be directly contacted with the motor outer tube 1, vibration of the motor 2 and the motor reduction gearbox 3 is prevented from being directly transmitted to the outside of the pull rod, noise generated when the motor 2 works is effectively absorbed, and noise and vibration are fully reduced. The motor outer tube 1 is fixedly connected with the end cover 6 at the tail part, the fixing seat 7 at the middle part and the spring fixing seat 10 at the head part in a circumferential riveting mode. The first riveting groove a and the second riveting groove b fix the motor 2, the motor reduction gearbox 3, the protective sleeve 4 and the damping sleeve 5 to prevent the axial movement of the motor 2 and the damping sleeve. The second riveting groove b and the third riveting groove c fix the damper outer fixing sleeve 8, the damper 9, the bearing rubber sleeve 12 and the bearing 13 to prevent the axial movement of the damper outer fixing sleeve, the damper 9, the bearing rubber sleeve 12 and the bearing 13. Because the structure is integrally formed by metal extrusion, the risk of explosion of the automobile tail gate pull rod can be effectively reduced.

It should be noted that many variations and modifications of the embodiments of the present invention are possible, which are fully described, and are not limited to the specific examples of the above embodiments. The above embodiments are merely illustrative of the present invention and are not intended to limit the present invention. In conclusion, the scope of the present invention should include those changes or substitutions and modifications which are obvious to those of ordinary skill in the art.

Claims

1. An automobile tail gate pull rod explosion-proof structure is characterized by comprising a motor outer tube, a motor reduction box, a protective sleeve, a shock absorption sleeve, an end cover, a fixed seat, a damper outer fixed sleeve, a damper, a spring fixed seat, a spring, a bearing rubber sleeve, a bearing and a screw rod;

the tail part of the motor outer tube is sequentially provided with a motor and a motor reduction box along the axial direction, the motor and the motor reduction box are connected and are not directly contacted with the motor outer tube, the tail end of the motor is sleeved with a protective sleeve to be contacted with the motor outer tube, the protective sleeve is abutted against an end cover at the tail end of the motor outer tube, the head end of the motor reduction box is sleeved with a damping sleeve to be contacted with the motor outer tube, and the motor reduction box is connected with a screw rod;

the middle part in the outer tube of the motor is sequentially provided with a fixed seat and an outer fixed sleeve of the damper along the axial direction, two ends of the fixed seat respectively support against the outer fixed sleeve of the damper and the fixed seat and separate the outer fixed sleeve of the damper from the fixed seat, and the damper is arranged in the outer fixed sleeve of the damper;

the head of the motor shell is provided with a spring fixing seat, one end of a spring is fixed at the head of the spring fixing seat, the tail end of the spring fixing seat extends into the motor shell and abuts against the end face of the head end of the damper outer fixing sleeve, a bearing rubber sleeve is arranged in the tail of the spring fixing seat, and a bearing is arranged in the bearing rubber sleeve;

the motor outer tube is connected with the side face of the end cover, the side face of the fixing seat and the side face of the spring fixing seat in a riveting mode, first riveting grooves are correspondingly formed in the side faces of the motor outer tube and the end cover in the circumferential direction respectively, second riveting grooves are correspondingly formed in the side faces of the motor outer tube and the fixing seat in the circumferential direction respectively, and third riveting grooves are correspondingly formed in the side faces of the motor outer tube and the spring fixing seat in the circumferential direction respectively.

2. The explosion-proof structure of a car tail gate pull rod according to claim 1, characterized in that the screw rod passes through the shock-absorbing sleeve, the fixing base, the damper outer fixing sleeve, the damper, the spring fixing base, the bearing rubber sleeve and the bearing arrangement along the axis.