CN217106578U

CN217106578U - Elastic supporting device of automobile tail door

Info

Publication number: CN217106578U
Application number: CN202220441213.8U
Authority: CN
Inventors: 白润波; 张远帆; 丁康; 邵宪坤; 鲜浦东
Original assignee: East Joy Long Automobile Electronic Shanghai Co ltd
Current assignee: East Joy Long Automobile Electronic Shanghai Co ltd
Priority date: 2022-03-01
Filing date: 2022-03-01
Publication date: 2022-08-02
Anticipated expiration: 2032-03-01

Abstract

The utility model relates to an elastic support device of car tail-gate relates to automobile parts manufacturing field to solve the problem that current mechanical spring formula equalizing stay pole uses after a period to car tail-gate supporting effect variation, it includes the scalable outer tube of compriseing last sleeve pipe and lower casing, scalable outer tube sets up between car tail-gate and automobile body in order to support the car tail-gate, the sheathed tube outside is located to the lower casing coaxial sleeve, the inside of lower casing is provided with and is used for driving the multistage elastic support subassembly of going up the sleeve pipe along the motion of axis direction, it sets up the spacing subassembly that the restriction goes up sleeve pipe and lower casing and break away from to go up between sleeve pipe and the lower casing. This application has and makes scalable outer tube have better supporting effect through multistage elastic support subassembly, avoids using a period after, and the car tail-gate can take place the condition of automatic whereabouts after closing certain angle, and the effect of being convenient for open when the car tail-gate is opened.

Description

Elastic supporting device of automobile tail door

Technical Field

The application relates to the field of automobile part production and manufacturing, in particular to an elastic supporting device of an automobile tail door.

Background

The automobile tail gate balance stay bar that uses in the existing market mainly has two kinds, electrodynamic type balance stay bar and mechanical spring formula balance stay bar, and the most one side of the most economical and applicable type vehicle of many in practice adopts electrodynamic type balance stay bar and the opposite side adopts mechanical spring formula balance stay bar.

The electric balance support rod generally comprises a rotating motor arranged inside the support rod, a screw rod connected with the rotating motor in a positioning mode and an ejector rod connected to the screw rod in a threaded mode and capable of moving axially along the screw rod, the rotating motor rotates to drive the screw rod to rotate, and the screw rod is connected with the ejector rod in a threaded mode to convert the rotating motion of the screw rod into linear motion of the ejector rod, so that the balance support rod is stretched and retracted. The mechanical spring type balance stay bar generally comprises a telescopic outer tube consisting of an upper sleeve and a lower sleeve, a group of mechanical springs are arranged inside the telescopic outer tube, one end of each mechanical spring is fixedly connected with the upper sleeve, the other end of each mechanical spring is fixedly connected with the lower sleeve, in the process of continuing to open after the automobile tail gate is pushed open, the tail gate is continuously opened by using the driving force of a rotary motor in the electric balance stay bar at the other side, and the mechanical spring type balance stay bar keeps balance between the tail gate at the side and the tail gate at the other side by using the release of the elastic force of the mechanical spring compressed inside the mechanical spring type balance stay bar.

In view of the above-mentioned related art, the inventors found that the following drawbacks exist: mechanical spring formula balance stay bar is through the balanced power of going up between sleeve pipe and the lower casing of a set of mechanical spring, and after mechanical spring formula balance stay bar used a period, mechanical spring's supporting effect worsened, leads to the car tail-gate to rotate to certain angle after, and mechanical spring formula balance stay bar is difficult to keep the support state, and the car tail-gate descends automatically, influences the result of use.

SUMMERY OF THE UTILITY MODEL

In order to improve the support effect of car tail-gate, this application provides an elastic support device of car tail-gate.

The application provides a pair of elastic support device of car tail-gate adopts following technical scheme:

the utility model provides an elastic support device of car tail-gate, includes the scalable outer tube of constituteing by upper casing and lower casing, scalable outer tube sets up between car tail-gate and automobile body in order to support the car tail-gate, the sheathed tube outside is located to the lower casing pot coaxial arrangement, the inside of lower casing is provided with and is used for driving the multistage elastic support subassembly of upper casing along the axis direction motion, it sets up the spacing subassembly that limited upper casing and lower casing break away from to go up between sleeve and the lower casing.

Through adopting above-mentioned technical scheme, the back is opened to the car tail-gate, do relative motion between multistage elastic support subassembly promotion upper casing and the lower casing, scalable outer tube extension, realize supporting the car tail-gate through scalable outer tube, sheathed tube motion range is gone up in the restriction of spacing subassembly, avoid going up to take place to break away from between sleeve and the lower casing, multistage elastic support subassembly makes scalable outer tube have better supporting effect, after avoiding using a period, the car tail-gate can take place the condition of automatic whereabouts after closing certain angle, and be convenient for open when the car tail-gate is opened.

Optionally, multistage elastic support subassembly includes one-level supporting spring, one end of one-level supporting spring with the inner wall butt of lower casing, the other end with the last sleeve pipe is located the inside one end butt of lower casing, one-level supporting spring's periphery wall and the laminating of the inner wall of lower casing.

Through adopting above-mentioned technical scheme, after the car tail-gate was opened, the sleeve pipe motion was gone up in the release promotion of one-level supporting spring elasticity for the car tail-gate can be opened automatically, realizes supporting, and plays certain buffering effect when the car tail-gate is closed, avoids the car tail-gate to close fast and causes the personal loss of property.

Optionally, the multistage elastic support assembly further comprises a second-stage support spring, one end of the second-stage support spring is detachably connected to the inside of the lower sleeve, and the other end of the second-stage support spring is movably abutted to one end, located inside the lower sleeve, of the upper sleeve.

Through adopting above-mentioned technical scheme, second grade supporting spring's setting makes the car tail-gate when opening, and sleeve pipe motion is gone up in the second grade supporting spring promotion, makes the car tail-gate open more easily when opening, and the car tail-gate rotates certain angle when closing after, and second grade supporting spring supports last sleeve pipe, makes the supporting effect of car tail-gate better.

Optionally, the diameter of the outer wall of the secondary support spring is smaller than the diameter of the inner wall of the primary support spring, and the secondary support spring and the primary support spring are both arranged coaxially with the lower casing.

Through adopting above-mentioned technical scheme, second grade supporting spring and the coaxial different footpaths of one-level supporting spring avoid second grade supporting spring to cause the influence to one-level supporting spring's compression when the compression to influence the use of scalable outer tube.

Optionally, a threaded through hole coaxial with the lower sleeve is formed in one end, far away from the upper sleeve, of the lower sleeve, a threaded plug is connected to the threaded through hole in a threaded mode, and the secondary support spring is detachably arranged on the threaded plug.

Through adopting above-mentioned technical scheme, rotate the screw stopper and can realize the installation and dismantle, be convenient for with second grade supporting spring install in the lower sleeve pipe or take out from the lower sleeve pipe, and can dismantle between second grade supporting spring and the screw stopper and be connected, be convenient for dismantle the change to second grade supporting spring, make second grade supporting spring keep better elasticity.

Optionally, one end of the secondary support spring is fixedly connected with a connecting block, a mounting groove matched with the connecting block in an inserting mode is formed in the threaded plug, coaxial through holes are formed in the threaded plug and the connecting block, and an inserting rod is detachably arranged in the through holes.

Through adopting above-mentioned technical scheme, in inserting the mounting groove on the screw plug with the connecting block, insert the perforation with the inserted bar again, make between connecting block and the screw plug fixed, accomplish second grade supporting spring's installation, simple structure, simple to operate.

Optionally, the limiting assembly comprises a positioning ring and a limiting ring, the positioning ring is coaxially arranged at one end of the upper sleeve close to the lower sleeve, the limiting ring is coaxially arranged at one end of the upper sleeve close to the lower sleeve, the positioning ring is penetrated by the upper sleeve, and the diameter of the outer wall of the limiting ring is larger than that of the inner wall of the positioning ring.

Through adopting above-mentioned technical scheme, when the upper casing pipe slides to the longest distance, holding ring and spacing ring butt, the spacing ring plays spacing effect to the holding ring, avoids the upper casing pipe to remove and take place to break away from between the lower casing pipe, makes the supporting effect better.

Optionally, the outer wall of the upper sleeve is attached to the inner peripheral wall of the positioning ring, and the outer peripheral wall of the limiting ring is attached to the inner wall of the lower sleeve.

Through adopting above-mentioned technical scheme, go up the sleeve pipe in the motion process, holding ring and spacing ring cooperation make the sleeve pipe motion more stable, further improve the support effect.

In summary, the present application includes at least the following advantageous technical effects:

after the automobile tail gate is opened, the multistage elastic supporting assembly pushes the upper sleeve and the lower sleeve to move relatively, the telescopic outer pipe extends, the telescopic outer pipe supports the automobile tail gate, the limiting assembly limits the movement range of the upper sleeve and avoids the upper sleeve and the lower sleeve from being separated, the multistage elastic supporting assembly enables the telescopic outer pipe to have a good supporting effect, the situation that the automobile tail gate automatically falls down after being closed for a certain angle after being used for a period of time is avoided, and the automobile tail gate is convenient to open when being opened;

the screw plug can be installed and disassembled by rotating, the second-stage supporting spring is conveniently installed in the lower sleeve or taken out of the lower sleeve, the second-stage supporting spring and the screw plug are detachably connected, the second-stage supporting spring is convenient to detach and replace, and the second-stage supporting spring keeps better elasticity.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a schematic view, partially in section, of FIG. 1;

fig. 3 is a schematic view of the overall structure of the threaded plug according to the embodiment of the present application.

Reference numerals: 1. a telescoping outer tube; 11. sleeving a sleeve; 12. setting a sleeve; 2. a multi-stage resilient support assembly; 21. a primary support spring; 22. a secondary support spring; 23. connecting blocks; 24. a threaded plug; 241. mounting grooves; 242. a plug rod; 3. a limiting component; 31. a positioning ring; 32. a limit ring.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses elastic support device of car tail-gate.

Referring to fig. 1 and 2, an elastic supporting device for a car tailgate includes a telescopic outer tube 1 composed of an upper sleeve 11 and a lower sleeve 12, a multi-stage elastic supporting assembly 2 and a limiting assembly 3, the telescopic outer tube 1 is fixedly installed between the car tailgate and a car body to support the car tailgate, the lower sleeve 12 is coaxially sleeved outside the upper sleeve 11 to pass through, the upper sleeve 11 is driven to move along an axial direction by the multi-stage elastic supporting assembly 2, and the limiting assembly 3 is used for limiting the upper sleeve 11 to be separated from the lower sleeve 12.

Referring to fig. 2, the multi-stage elastic supporting assembly 2 is arranged inside the lower casing 12, the multi-stage elastic supporting assembly 2 includes a first-stage supporting spring 21 and a second-stage supporting spring 22, the diameter of the outer wall of the second-stage supporting spring 22 is smaller than the diameter of the inner wall of the first-stage supporting spring 21, both the second-stage supporting spring 22 and the first-stage supporting spring 21 are arranged coaxially with the lower casing 12, one end of the first-stage supporting spring 21 abuts against the inner wall of the lower casing 12, the other end of the first-stage supporting spring 21 abuts against the end of the upper casing 11 inside the lower casing 12, the outer circumferential wall of the first-stage supporting spring 21 is attached to the inner wall of the lower casing 12, when the car tailgate is opened, the release of the elastic force of the first-stage supporting spring 21 pushes the upper casing 11 to move, so that the car tailgate can be automatically opened to realize supporting, and a certain buffering effect is achieved when the car tailgate is closed, one end of the second-stage supporting spring 22 is detachably connected inside the lower casing 12, the other end is located the inside one end activity butt of lower casing 12 with last sleeve pipe 11, makes the car tail-gate when opening, and second grade supporting spring 22 promotes sleeve pipe 11 motion, makes the car tail-gate open more easily when opening, and after the car tail-gate rotated certain angle when closing, second grade supporting spring 22 supported last sleeve pipe 11, makes the support effect of car tail-gate better.

Referring to fig. 2 and 3, in order to detach and replace the secondary support spring 22, a threaded through hole coaxially arranged with the lower sleeve 12 is formed in one end, away from the upper sleeve 11, of the lower sleeve 12, a threaded plug 24 is connected to the threaded through hole through threads, the secondary support spring 22 is detachably arranged on the threaded plug 24, a connecting block 23 is fixedly connected to one end of the secondary support spring 22, a mounting groove 241 matched with the connecting block 23 in an inserting mode is formed in the threaded plug 24, through holes coaxially arranged in the threaded plug 24 and the connecting block 23 are formed in the threaded plug 24, an inserting rod 242 is detachably arranged in the inner portion of the through holes, the connecting block 23 is inserted into the mounting groove 241 in the threaded plug 24, the inserting rod 242 is inserted into the through holes, the connecting block 23 and the threaded plug 24 are fixed, and the secondary support spring 22 is installed.

Referring to fig. 2, spacing subassembly 3 sets up between upper casing 11 and lower casing 12, spacing subassembly 3 includes holding ring 31 and spacing ring 32, the coaxial fixed connection of holding ring 31 is in the one end that lower casing 12 is close to upper casing 11, the coaxial fixed connection of spacing ring 32 is in the one end that upper casing 11 is close to lower casing 12, holding ring 31 is worn to establish by upper casing 11, the outer wall diameter of holding ring 32 is greater than the inner wall diameter of holding ring 31, when upper casing 11 slides to the longest distance, holding ring 31 and spacing ring 32 butt, spacing ring 32 plays spacing effect to holding ring 31, avoid taking place the periphery wall to break away from between upper casing 11 removal and the lower casing 12, and the laminating of the internal perisporium of outer wall and holding ring 31 of upper casing 11, the laminating of the inner wall of holding ring 32 and lower casing 12, make upper casing 11 move more stably.

The implementation principle of the elastic supporting device of the automobile tail gate in the embodiment of the application is as follows: when the telescopic outer pipe 1 is used, the telescopic outer pipe 1 is arranged between an automobile tail door and an automobile body, after the automobile tail door is opened, the elastic force of the first-stage supporting spring 21 is released to push the upper sleeve 11 to move, so that the automobile tail door can be automatically opened to realize supporting, a certain buffering effect is achieved when the automobile tail door is closed, and through the arrangement of the second-stage supporting spring 22, when the automobile tail door is opened, the first-stage supporting spring 21 and the second-stage supporting spring 22 simultaneously push the upper sleeve 11 to move, so that the automobile tail door is easier to open when opened, and after the automobile tail door rotates for a certain angle when closed, the first-stage supporting spring 21 and the second-stage supporting spring 22 simultaneously support the upper sleeve 11, so that the supporting effect is better;

the mounting and dismounting can be realized by rotating the threaded plug 24, so that the secondary supporting spring 22 is dismounted and replaced, and the secondary supporting spring 22 keeps better elasticity.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an elastic support device of car tail-gate, includes scalable outer tube (1) of constituteing by last sleeve pipe (11) and lower sleeve pipe (12), scalable outer tube (1) set up in order to support the car tail-gate between car tail-gate and automobile body, the outside of last sleeve pipe (11), its characterized in that are located to lower sleeve pipe (12) coaxial cover: the multi-stage elastic support assembly (2) used for driving the upper sleeve (11) to move along the axis direction is arranged in the lower sleeve (12), and the limiting assembly (3) used for limiting the upper sleeve (11) to be separated from the lower sleeve (12) is arranged between the upper sleeve (11) and the lower sleeve (12).

2. The elastic supporting device of a tailgate for an automobile, according to claim 1, wherein: multistage elastic support subassembly (2) include one-level supporting spring (21), the one end of one-level supporting spring (21) with the inner wall butt of lower casing (12), the other end with it is located the inside one end butt of lower casing (12) to go up sleeve pipe (11), the periphery wall of one-level supporting spring (21) and the inner wall laminating of lower casing (12).

3. The elastic supporting device of a tailgate for an automobile, according to claim 2, wherein: multistage elastic support subassembly (2) still include second grade supporting spring (22), the one end of second grade supporting spring (22) can be dismantled connect in the inside of lower casing (12), the other end with go up the inside one end activity butt of casing (11) position in lower casing (12).

4. The elastic supporting device of a tailgate for an automobile, according to claim 3, wherein: the diameter of the outer wall of the secondary supporting spring (22) is smaller than that of the inner wall of the primary supporting spring (21), and the secondary supporting spring (22) and the primary supporting spring (21) are both arranged coaxially with the lower sleeve (12).

5. The elastic supporting device of a tailgate for an automobile, according to claim 4, wherein: the one end that upper casing (11) was kept away from in lower sleeve pipe (12) is seted up the screw thread through-hole that sets up with lower sleeve pipe (12) coaxial line, screw thread through-hole department threaded connection has screw plug (24), second grade supporting spring (22) can be dismantled and set up on screw plug (24).

6. The elastic supporting device of a tailgate for an automobile, according to claim 5, wherein: one end fixedly connected with connecting block (23) of second grade supporting spring (22), set up mounting groove (241) with connecting block (23) grafting adaptation on screw plug (24), set up the perforation of coaxial setting on screw plug (24) and connecting block (23), fenestrate inside can be dismantled and be provided with peg graft pole (242).

7. The elastic supporting device of a tailgate for an automobile, according to claim 1, wherein: spacing subassembly (3) are including holding ring (31) and spacing ring (32), holding ring (31) coaxial set up in lower casing (12) are close to the one end of upper casing (11), spacing ring (32) coaxial set up in the one end that upper casing (11) are close to lower casing (12), upper casing (11) are worn to establish holding ring (31), the outer wall diameter of spacing ring (32) is greater than the inner wall diameter of holding ring (31).

8. The elastic supporting device of a tailgate for an automobile, according to claim 7, wherein: go up the outer wall of sleeve pipe (11) and the laminating of the interior perisporium of holding ring (31), the laminating of the inner wall of the periphery wall and lower sleeve pipe (12) of spacing ring (32).