CN210106526U

CN210106526U - First-stage mounting structure of automobile trunk opening gear box

Info

Publication number: CN210106526U
Application number: CN201920394995.2U
Authority: CN
Inventors: 廖龙军
Original assignee: Tianjin Original Valley Technology Co Ltd
Current assignee: Tianjin Original Valley Technology Co Ltd
Priority date: 2019-03-26
Filing date: 2019-03-26
Publication date: 2020-02-21
Anticipated expiration: 2029-03-26

Abstract

The utility model relates to a vapour car trunk opens first order mounting structure of gear box belongs to the technical field of gear box, and it includes the base, and the base is the annular shape, and the base is connected with the box along one side of self axis direction, and the box is the drum shape, and the axis of box and the axis coincidence of base, the wall thickness of box and the ring width of base equal, rotate between base and the box and be connected with planetary gear, planetary gear's axis of rotation is on a parallel with the axis of base, the race with planetary gear looks adaptation is seted up to the box, base fixedly connected with spliced pole, spliced pole and base integrated into one piece, the axis direction of spliced pole is on a parallel with the axis direction of base, and the mating holes has been seted up to the box, and the spliced pole is located the mating holes, and spliced pole and box interference fit.

Description

First-stage mounting structure of automobile trunk opening gear box

Technical Field

The utility model belongs to the technical field of the technique of gear box and specifically relates to a vapour car trunk opens gear box first order mounting structure is related to.

Background

An automobile trunk plays a very important role as an important component of an automobile. The automobile trunk is a storage room of our sundries room, the trunk is used as a 'mobile storage room', various articles which are closely related to our life are stacked at ordinary times, and the trunk opening gear box plays an important role in achieving the opening and closing functions of the trunk.

The existing connecting mode of the trunk opening gearbox made of plastic materials is generally plastic welding, namely, a heating method is used for simultaneously melting the contact surfaces of two plastic parts, so that the two plastic parts are combined into a whole.

When the plastic is welded, the joint of the gear box may be in a cold joint (with a small heating degree), or the joint may be deformed (with a large heating degree), so that the quality of the connection of the gear box is poor or the appearance of the gear box is poor, and the quality of the gear box is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an improve vapour car trunk of gear box quality and open gear box first order mounting structure.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

vapour car trunk opens first order mounting structure of gear box, including the base, the base is the annular shape, and one side of base along self axis direction is connected with the box, and the box is the drum shape, and the axis of box and the axis coincidence of base, the wall thickness of box equals its characterized in that with the ring width of base: the base is connected with planetary gear with rotating between the box, planetary gear's rotation axis is on a parallel with the axis of base, the race with planetary gear looks adaptation is seted up to the box, base fixedly connected with spliced pole, spliced pole and base integrated into one piece, the axis direction of spliced pole is parallel with the axis direction of base, the mating holes has been seted up to the box, the spliced pole is located the mating holes, and spliced pole and box interference fit.

By adopting the technical scheme, through the interference fit of the connecting column and the box body, great pressure is generated between the abutting surfaces of the connecting column and the box body, the base and the box body are fixedly connected, the condition that the plastic welding is likely to generate pseudo-soldering and the box body or the base is deformed is avoided, the interference fit structure is simple, large axial force, large torque and large dynamic load can be borne, the connection quality of the gear box is improved, the gear box is enabled to keep a good appearance, and the quality of the gear box is improved; the connecting column and the base are integrally formed, so that the connecting strength between the connecting column and the base is better, the additional connecting process between the connecting column and the base is reduced, and the gear box is assembled quickly.

The utility model discloses further set up to: the spliced pole sets up at least three, and the distance between the axis of spliced pole and the base axis equals, spliced pole evenly distributed on the base.

Through adopting above-mentioned technical scheme, the joint force of the spliced pole that receives between spliced pole and the base is comparatively even, makes being connected between box and the base comparatively stable, makes base and box be connected more firmly.

The utility model discloses further set up to: the base fixedly connected with pivot, the axis of pivot is on a parallel with the axis of base, and the distance between the axis of pivot and the base axis equals, pivot and base integrated into one piece, and the box is passed on the top of pivot to the circumference face of pivot and be connected with the pivot rotation is located to the planetary gear cover.

By adopting the technical scheme, the rotating shaft and the base are integrally formed, so that the integrity between the rotating shaft and the base is stronger, and the connection strength is better; the box is passed on the top of pivot, makes the both ends of pivot all fixed, makes the pivot comparatively stable, can play comparatively stable supporting role to planetary gear.

The utility model discloses further set up to: the pivot sets up at least three, and the pivot equals with the distance between the axis of spliced pole and the base axis, and pivot and spliced pole interval evenly distributed on the base.

Through adopting above-mentioned technical scheme, the pivot sets up at least three, has ensured that the work piece is spacing between planetary gear completely, and during the use, planetary gear meshes a work piece jointly, and is higher to the intensity that the work piece meshing produced to the transmission is comparatively steady.

The utility model discloses further set up to: the box body is provided with through holes which are in one-to-one correspondence with the rotating shafts, the axes of the corresponding through holes are superposed with the axis of the rotating shaft, and a gap is reserved between the circumferential surface of the rotating shaft and the edge of the through hole.

By adopting the technical scheme, the through holes have a limiting effect on the rotating shaft, so that the rotating shaft is not easy to bend towards the direction deviating from the axis of the base, the damage to the connection between the rotating shaft and the base caused by bending of the end part of the rotating shaft connected with the box body is avoided, and the service life of the rotating shaft is prolonged; the arrangement of the gap between the rotating shaft and the edge of the through hole ensures that the assembly of the rotating shaft is labor-saving; if no clearance setting between pivot and the box, the tip of pivot receives the great pressure of box with the circumference face of box butt, and during the planetary gear rotated, the certain power was given for the pivot to the planetary gear rotation, made the pivot receive the easy fracture that produces of tip position department of the great pressure of box, and the setting in clearance makes the pivot tip can not receive pressure, makes the difficult fracture of pivot.

The utility model discloses further set up to: the distance between the circumferential surface of the rotating shaft and the edge of the through hole is 0.01 to 0.02 mm.

By adopting the technical scheme, the rotating shaft is easier to assemble into the through hole; the box body can not generate pressure on the rotating shaft, and the box body can play a good limiting role on the end part of the rotating shaft, so that the rotating shaft is not easy to bend towards the direction deviating from the axis of the base.

The utility model discloses further set up to: the distance between the circumferential surface of the rotating shaft and the edge of the through hole is 0.01 mm.

Through adopting above-mentioned technical scheme, making the pivot can not receive under the condition of box pressure, further guaranteed that the box can play better limiting displacement to the tip of pivot.

The utility model discloses further set up to: the planetary gear is a helical gear.

By adopting the technical scheme, the helical gear has small impact, vibration and noise due to stable transmission, thereby reducing the noise and vibration generated during the transmission of the planetary gear in work.

The utility model discloses further set up to: one side of the base, which is far away from the box body, is fixedly connected with a convex ring, the convex ring is in a circular ring shape, and the small radius of the convex ring is the same as that of the base.

By adopting the technical scheme, the convex ring plays a role in strengthening the base; when the gear box is installed, the convex ring is clamped on a workpiece installed at the bottom of the gear box, so that the gear box is stable when being placed and installed.

To sum up, the utility model discloses a beneficial technological effect does:

1. the connecting column is fixedly connected with the base and is in interference fit with the box body, so that the connection quality of the gear box is improved, the gear box keeps a better appearance, and the quality of the gear box is improved;

2. by arranging the three rotating shafts, the rotating shafts and the connecting columns are uniformly distributed on the base at intervals, so that the intensity generated by the meshing of the planetary gear to the workpiece is higher, and the transmission is more stable;

3. through setting up the through-hole with the pivot adaptation, gapped between the circumference face of pivot and the through-hole edge, through adopting above-mentioned technical scheme, the through-hole plays limiting displacement to the pivot, has avoided the pivot to buckle and the production and the base between be connected the destruction, make the assembly of pivot comparatively laborsaving.

Drawings

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

Fig. 2 is an exploded schematic view of the present invention.

In the figure, 1, a base; 11. connecting columns; 12. a rotating shaft; 121. a planetary gear; 13. a convex ring; 2. a box body; 21. a mating hole; 22. a rotating shaft; 221. a sun gear; 23. a through hole; 24. a wheel groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, the first-stage installation structure of the opening gear box of the automobile trunk disclosed by the utility model comprises a base 1, wherein the base 1 is in a ring shape, one side of the base 1 along the self axis direction is connected with a box body 2, the box body 2 is in a cylinder shape with one end opened, the axis of the box body 2 is superposed with the axis of the base 1, the opening end of the box body 2 is abutted against one side of the base 1 along the self axis direction, the wall thickness of the box body 2 is equal to the ring width of the base 1, one side of the box body 2 away from the base 1 is sealed, and one side of the box body 2 far away from the base 1 is fixedly connected with a rotating shaft 22, the rotating shaft 22 and the box body 2 are integrally formed, the rotating shaft 22 is hollow, and the rotating shaft 22 just passes through the closed end of the box body 2, so that the outside is communicated with the inside of the box body 2 through the rotating shaft 22, the outer side of the rotating shaft 22 is sleeved with a sun gear 221, and the sun gear 221 is rotatably connected with the rotating shaft 22.

Referring to fig. 1 and 2, a base 1 is fixedly connected with three rotating shafts 12, the axes of the rotating shafts 12 are parallel to the axis of the base 1, the distance between the axis of each rotating shaft 12 and the axis of the base 1 is equal, the rotating shafts 12 and the base 1 are integrally formed, a planetary gear 121 is sleeved on the circumferential surface of each rotating shaft 12, the planetary gear 121 is rotatably connected with the rotating shaft 12, the rotating axis of the planetary gear 121 is parallel to the axis of the base 1, a wheel groove 24 matched with the planetary gear 121 is formed in a box body 2, the wheel groove 24 penetrates through the closed end close to the box body 2 from the end, abutted against the base 1, of the box body 2, when the gear box is installed, the planetary gear 121 is firstly sleeved on the rotating shaft 12, the wheel groove 24 is opposite to the planetary gear 121, the box body 2 is covered on the base 1, and then the assembly is completed, and the; the box body 2 is provided with through holes 23 which are in one-to-one correspondence with the rotating shaft 12, the top end of the rotating shaft 12 penetrates through the box body 2 from the through holes 23, the axis of the corresponding through hole 23 coincides with the axis of the rotating shaft 12, a gap is reserved between the circumferential surface of the rotating shaft 12 and the edge of the through hole 23, the distance between the circumferential surface of the rotating shaft 12 and the edge of the through hole 23 is 0.01 mm, the planetary gear 121 is a helical gear, the circumferential surface of the rotating shaft 12, which is located in the through hole 23, cannot be pressed by the box body 2, and when the planetary gear 121 rotates, the phenomenon that the rotating shaft 12 is broken at the part, close to the through.

Referring to fig. 2, the base 1 is fixedly connected with three connecting columns 11, the axial direction of each connecting column 11 is parallel to that of the base 1, the connecting columns 11 and the base 1 are integrally formed, the box body 2 is provided with a matching hole 21, the matching holes 21 are matched with the connecting columns 11, each connecting column 11 is located in the matching hole 21, and the connecting columns 11 are in interference fit with the matching holes 21, so that the connecting columns 11 play a connecting role, the base 1 and the box body 2 are connected, the conditions of insufficient solder and deformation of the box body 2 or the base 1, which are possibly generated by plastic welding, are avoided, the connection quality of the gear box is improved, the gear box keeps a better appearance, and the quality of the gear box is improved; the distances between the axes of the three connecting columns 11 and the axis of the base 1 are equal, the rotating shafts 12 and the connecting columns 11 are uniformly distributed on the base 1 at intervals, and the connecting force of the connecting columns 11 between the connecting columns 11 and the base 1 is uniform, so that the stability of connection between the base 1 and the box body 2 is facilitated.

Referring to fig. 2, a protruding ring 13 is fixedly connected to one side of the base 1 away from the box body 2, the protruding ring 13 is in a circular ring shape, the small radius of the protruding ring 13 is the same as the small radius of the base 1, and the protruding ring 13 increases the strength of the base 1, so that the base 1 is stable during installation.

The implementation principle of the embodiment is as follows: during the assembly, establish planetary gear 121 on pivot 12, make race 24 just to planetary gear 121, then be close to base 1 with box 2, in 11 press fit holes 21 with spliced pole, one side butt along self axis direction of the open end of box 2 and base 1, and spliced

pole

11 and 2 interference fit of box, thereby spliced pole 11 is connected base 1 and box 2, and simultaneously, pivot 12 passes through-hole 23 just, the gear box is the installation promptly, the whole assembly is comparatively convenient, the rosin joint that has avoided the plastics welding probably to produce and the condition that box 2 or base 1 warp, the connection quality of gear box has been improved, and make the gear box keep better appearance, the quality of gear box has been improved.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. Vapour car trunk opens first order mounting structure of gear box, including base (1), base (1) is the annular shape, and base (1) is connected with box (2) along one side of self axis direction, and box (2) are the drum shape, and the axis of box (2) coincides with the axis of base (1), and the wall thickness of box (2) equals its characterized in that with the ring width of base (1): rotate between base (1) and box (2) and be connected with planetary gear (121), the axis of rotation of planetary gear (121) is on a parallel with the axis of base (1), race (24) with planetary gear (121) looks adaptation is seted up in box (2), base (1) fixedly connected with spliced pole (11), spliced pole (11) and base (1) integrated into one piece, the axis direction of spliced pole (11) is parallel with the axis direction of base (1), mating holes (21) have been seted up in box (2), spliced pole (11) are located mating holes (21), and spliced pole (11) and box (2) interference fit.

2. The first-stage mounting structure of an opening gearbox for automobile trunk according to claim 1, characterized in that: the connecting columns (11) are arranged at least three, the distance between the axis of each connecting column (11) and the axis of the base (1) is equal, and the connecting columns (11) are uniformly distributed on the base (1).

3. The first-stage mounting structure of an opening gearbox for automobile trunk according to claim 1, characterized in that: base (1) fixedly connected with pivot (12), the axis of pivot (12) is on a parallel with the axis of base (1), and the distance between the axis of pivot (12) and base (1) axis equals, and pivot (12) and base (1) integrated into one piece, and the circumference face of pivot (12) is located in planetary gear (121) cover and rotates with pivot (12) and be connected, and box (2) are passed on the top of pivot (12).

4. The first-stage mounting structure of an opening gearbox for automobile trunk according to claim 3, characterized in that: the rotating shaft (12) is at least three, the distance between the axis of the rotating shaft (12) and the connecting column (11) and the axis of the base (1) is equal, and the rotating shaft (12) and the connecting column (11) are uniformly distributed on the base (1) at intervals.

5. The first-stage mounting structure of an opening gearbox for automobile trunk according to claim 3, characterized in that: the box body (2) is provided with through holes (23) which correspond to the rotating shafts (12) one by one, the axes of the corresponding through holes (23) are superposed with the axis of the rotating shaft (12), and a gap is reserved between the circumferential surface of the rotating shaft (12) and the edges of the through holes (23).

6. The first-stage mounting structure of an opening gearbox for automobile trunk according to claim 5, characterized in that: the distance between the circumferential surface of the rotating shaft (12) and the edge of the through hole (23) is 0.01-0.02 mm.

7. The first-stage mounting structure of an opening gearbox for automobile trunk according to claim 6, characterized in that: the distance between the circumferential surface of the rotating shaft (12) and the edge of the through hole (23) is 0.01 mm.

8. The first-stage mounting structure of an opening gearbox for automobile trunk according to claim 1, characterized in that: the planetary gear (121) is a helical gear.

9. The first-stage mounting structure of an opening gearbox for automobile trunk according to claim 1, characterized in that: one side fixedly connected with bulge loop (13) that box (2) were kept away from in base (1), bulge loop (13) are the ring shape, and the minor radius of bulge loop (13) is the same with the minor radius of base (1).