CN217705936U

CN217705936U - Wear-reducing worm for automobile steering gear

Info

Publication number: CN217705936U
Application number: CN202222108593.6U
Authority: CN
Inventors: 杨国斌; 张金萍
Original assignee: Guangdong Star Auto Parts Technology Co ltd
Current assignee: Guangdong Star Auto Parts Technology Co ltd
Priority date: 2022-08-11
Filing date: 2022-08-11
Publication date: 2022-11-01
Anticipated expiration: 2032-08-11

Abstract

The utility model relates to a worm for an automobile steering gear, which reduces abrasion in the technical field of automobile accessories, and comprises a shell, a worm and a worm wheel, wherein the worm is arranged in the shell, the worm wheel is arranged in the shell, a chute is arranged in the shell, and a sliding block is arranged in the chute; rope one is installed to one side outer wall of sliding block, winding wheel one is installed to the one end of rope one, winding wheel one's internally mounted has the worm, through setting up casing, worm wheel, winding wheel one, rope one, sliding block, rope two, winding wheel two, through worm wheel, the worm cooperatees the completion and turns to the operation, at the in-process that turns to, when the worm wheel rotates to the position shown in figure 1, winding wheel one rotates along with the worm, with rope one around rolling up on winding wheel one to drive the sliding block and move to the leftmost side of spout, thereby make the worm rotate synchronous stall when certain angle at the worm wheel, thereby reduce the wearing and tearing of worm.

Description

Wear-reducing worm for automobile steering gear

Technical Field

The utility model relates to an auto-parts technical field especially relates to a reduce worm for auto-steering ware of wearing and tearing.

Background

The worm usually cooperates with a worm wheel, the motion and power between the two staggered shafts are transmitted through the worm and the worm wheel, the worm wheel and the worm are equivalent to a gear and a rack in the middle plane, and the shape of the worm is similar to that of a screw.

The worm gear rotates to a certain angle, the worm gear stops rotating continuously in the direction, the worm stops rotating through a meshed tooth, the worm is still in a running state, force squeezing the worm gear exists, surface abrasion of the worm and the worm gear is increased, and the worm for the automobile steering gear capable of reducing abrasion is provided.

SUMMERY OF THE UTILITY MODEL

To the problem, the utility model provides a reduce worm for auto steering ware of wearing and tearing, wind-up wheel rotate along with the worm, with a rope around rolling up wheel one to drive the sliding block and move to the leftmost side of spout, thereby make the worm rotate the synchronous stall when certain angle at the worm wheel, thereby reduce the wearing and tearing of worm.

The technical scheme of the utility model is that: a worm for an automobile steering gear capable of reducing abrasion comprises a shell, a worm and a worm wheel, wherein the worm is installed inside the shell, the worm wheel is installed inside the shell, a sliding groove is formed in the shell, and a sliding block is installed in the sliding groove;

rope one is installed to one side outer wall of sliding block, winding wheel one is installed to the one end of rope one, the internally mounted of winding wheel one has the worm, rope one is around establishing the outside at winding wheel one for winding wheel one can make rope one around rolling on winding wheel one.

In a further technical scheme, the one end of worm runs through the setting of rolling wheel one, the externally mounted of worm has rolling wheel two, the one end of worm runs through the setting of rolling wheel two for the worm can drive the removal of rolling wheel two.

In a further technical scheme, the externally mounted of wind-up wheel two has rope two, the sliding block is installed to the one end of rope two, the casing setting is all run through to the one end of rope one, rope two for rope one, rope two can slide in the casing.

In further technical scheme, the externally mounted of worm has the sliding plate, the internally mounted of casing has the bin, the internally mounted of bin has the threaded rod, the one end of threaded rod runs through the bin setting for the threaded rod can obtain the holding power.

In a further technical scheme, a first supporting plate is installed on the outer wall of one side of the threaded rod, a movable rod is installed inside the first supporting plate, a second supporting plate is installed outside the movable rod, and the sliding plate is matched with the second supporting plate, so that the sliding plate can obtain supporting force.

In further technical scheme, the quantity of backup pad one, movable rod, backup pad two, sliding plate is two sets of, and two sets of backup pad one, movable rod, backup pad two, sliding plate symmetric distribution are in the both sides of bin, the inside filling of bin has lubricating oil for the bin can obtain the holding power.

In a further technical scheme, the discharge gate has been seted up to the bottom of bin, the internally mounted of bin has the block rubber, the internally mounted of block rubber has the threaded rod, the one end of threaded rod runs through the block rubber setting.

The utility model has the advantages that:

1. by arranging the shell, the worm wheel, the first winding wheel, the first rope, the sliding block, the second rope and the second winding wheel, the steering operation is completed through the matching of the worm wheel and the worm, in the steering process, when the worm wheel rotates to the position shown in figure 1, the first winding wheel rotates along with the worm, the first rope is wound on the first winding wheel, so that the sliding block is driven to move to the leftmost side of the sliding groove, the worm synchronously stops rotating when the worm wheel rotates to a certain angle, and the abrasion of the worm is reduced,

2. through setting up bin, discharge gate, threaded rod, backup pad one, movable rod, backup pad two, block rubber, sliding plate, the worm drives the sliding plate simultaneously and rotates when the rotation for the sliding plate stirs two removals of backup pad, thereby drives the block rubber and moves to the position shown in figure 5, makes lubricating oil in the bin on the worm of discharge gate department drippage below, thereby lubricates the worm, thereby reduces the wearing and tearing of worm.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

FIG. 2 is a block diagram of an embodiment of the present invention;

FIG. 3 is a block diagram of an embodiment of the present invention;

FIG. 4 is a block diagram of an embodiment of the present invention;

fig. 5 is a structural diagram of an embodiment of the present invention.

Description of reference numerals:

1. a housing; 2. a worm; 3. a worm gear; 4. a first winding wheel; 5. a first rope; 6. a slider; 7. a second rope; 8. a second winding wheel; 9. a storage tank; 10. a discharge port; 11. a threaded rod; 12. a first support plate; 13. a movable rod; 14. a second support plate; 15. a rubber block; 16. a sliding plate.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

Example (b):

as shown in fig. 1 to 5, a worm for an automobile steering gear, which reduces wear, comprises a housing 1, a worm 2 and a worm wheel 3, wherein the worm 2 is installed inside the housing 1, the worm wheel 3 is installed inside the housing 1, a sliding groove is formed inside the housing 1, and the inner wall of the sliding groove is connected with the outer wall of a sliding block 6 in a sliding manner;

sliding block 6's one side outer wall and the one end fixed connection of rope 5, the one end of rope 5 and the outer wall fixed connection of rolling wheel 4, the inner wall of rolling wheel 4 and the outer wall fixed connection of worm 2, rope 5 slides around establishing in the outside of rolling wheel 4, and rope 5 can be wire rope.

The working principle of the technical scheme is as follows:

make worm 2 when the pivoted, can drive rolling wheel 4 in step and rotate for rolling wheel 4 can be around rolling up on rolling wheel 4 with a rope 5, and a rope 5 can drive sliding block 6 and remove to the left side of spout simultaneously, and when worm wheel 3 rotated to this angle, sliding block 6 just was located the leftmost side of spout, thereby makes worm 2 stop thereupon, thereby reduces wearing and tearing.

In another embodiment, as shown in fig. 1, one end of the worm 2 extends to the outside of the winding wheel one 4 through the outer wall of the winding wheel one 4, the outer wall of the worm 2 is fixedly connected with the inner wall of the winding wheel two 8, and one end of the worm 2 extends to the winding wheel two 8 through the outer wall of the winding wheel two 8.

The worm 2 can drive the second winding wheel 8 to rotate while driving the first winding wheel 4 to rotate.

In another embodiment, as shown in fig. 1, the outer wall of the winding wheel two 8 is fixedly connected with one end of the rope two 7, one end of the rope two 7 is fixedly connected with the outer wall of one side of the sliding block 6, one ends of the rope one 5 and the rope two 7 both penetrate through the inner wall of the shell 1 and extend into the sliding groove, the outer walls of the rope one 5 and the rope two 7 are both slidably connected with the inner wall of the shell 1, the rope two 7 can be a steel wire rope, the rope one 5 and the rope two 7 can also be made of high-strength high-modulus ultra-high molecular weight polyethylene fiber materials, and the winding direction of the winding wheel one 4 is opposite to that of the winding wheel two 8.

Make rolling wheel 4 when the rolling, rolling wheel two 8 unreel, and rolling wheel two 8 is when the rolling, and rolling wheel 4 is unreeling, mutually supports, can all lock worm wheel pivoted both sides direction to reduce wearing and tearing.

In another embodiment, as shown in fig. 1, the outer wall of the worm 2 is fixedly connected with the outer wall of the sliding plate 16, the inner wall of the casing 1 is fixedly connected with the top of the storage box 9, the inner wall of the storage box 9 is in threaded connection with the outer wall of the threaded rod 11, and one end of the threaded rod 11 penetrates through the outer wall of the storage box 9 and extends to the inside of the storage box 9.

So that the shell 1 can provide supporting force for the storage box 9, meanwhile, the storage box 9 can provide supporting force for the threaded rod 11, the worm 2 can provide supporting force for the sliding plate 16, and meanwhile, the rotation of the worm 2 can drive the sliding plate 16 to rotate.

In another embodiment, as shown in fig. 1-3, the outer wall of one side of the threaded rod 11 is fixedly connected with the outer wall of the first support plate 12, the inner wall of the first support plate 12 is movably connected with the outer wall of the movable rod 13 through the first bearing, the outer wall of the movable rod 13 is fixedly connected with the inner wall of the second support plate 14, the outer wall of the sliding plate 16 is slidably connected with the outer wall of the second support plate 14, and the sliding plate 16 is matched with the second support plate 14.

When the worm 2 drives the sliding plate 16 to rotate, the sliding plate 16 stirs the second support plate 14 to move, when the worm 2 rotates in the forward direction, the sliding block 6 moves to the left side of the sliding groove, the sliding plate 16 rotates from the second support plate 14 side to the first support plate 12 side, the first support plate 12 drives the threaded rod 11 to rotate, the threaded rod 11 drives the rubber block 15 to move to the right side of the storage box 9, when the worm 2 rotates in the reverse direction, the sliding block 6 moves to the right side of the sliding groove, the sliding plate 16 rotates from the first support plate 12 side to the second support plate 14 side, the first support plate 12 drives the threaded rod 11 to rotate, the threaded rod 11 drives the rubber block 15 to move to the left side of the storage box 9, at the moment, the rubber block 15 blocks the discharge hole 10, and the phenomenon that lubricating oil flows out excessively and is too fast is avoided.

In another embodiment, as shown in fig. 1 to 3, the number of the first support plates 12, the movable rods 13, the second support plates 14, and the sliding plates 16 is two, the two sets of the first support plates 12, the movable rods 13, the second support plates 14, and the sliding plates 16 are symmetrically distributed on both sides of the storage tank 9, the storage tank 9 is filled with lubricating oil, the number of the one set of the movable rods 13 and the two set of the second support plates 14 is two, the two movable rods 13 and the two set of the support plates 14 are symmetrically distributed on both upper and lower sides of the first support plates 12, the movable rods 13, and the second support plates 14 on the right side of the worm wheel 3 are opposite to the positions shown in fig. 2, and the first support plates 12, the movable rods 13, and the second support plates 14 on the left side of the worm wheel 3 are arranged as shown in fig. 2.

The worm 2 can intermittently drive the rubber block 15 to move away from the discharge port 10, and the dripping lubricating oil is intermittently discharged to the worm 2, so that the consumption of the lubricating oil is saved while the worm 2 is lubricated.

In another embodiment, as shown in fig. 1 and 5, the bottom of the storage box 9 is provided with a discharge hole 10, the inner wall of the storage box 9 is slidably connected with the outer wall of the rubber block 15, the inner wall of the rubber block 15 in contact with the storage box 9 is hermetically arranged, the inner wall of the rubber block 15 is in threaded connection with the outer wall of the threaded rod 11, and one end of the threaded rod 11 penetrates through the rubber block 15.

Make threaded rod 11 when the rotation, bin 9 carries on spacingly to block rubber 15 for block rubber 15 can remove along threaded rod 11, thereby shelter from or open discharge gate 10.

The above embodiments only express the specific embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the scope of the present invention.

Claims

1. The utility model provides a reduce worm for auto steering ware of wearing and tearing, includes casing (1), worm (2), worm wheel (3), its characterized in that: a worm (2) is installed inside the shell (1), a worm wheel (3) is installed inside the shell (1), a sliding groove is formed inside the shell (1), and a sliding block (6) is installed inside the sliding groove;

rope (5) is installed to one side outer wall of sliding block (6), rolling wheel (4) is installed to the one end of rope (5), the internally mounted of rolling wheel (4) has worm (2), rope (5) are around establishing the outside at rolling wheel (4).

2. A wear-reducing worm screw for a steering gear of an automobile according to claim 1, wherein: one end of the worm (2) penetrates through the first winding wheel (4) to be arranged, the second winding wheel (8) is arranged outside the worm (2), and the second winding wheel (8) is arranged at one end of the worm (2) in a penetrating mode.

3. A wear-reducing worm screw for a steering gear of an automobile according to claim 2, wherein: the externally mounted of rolling wheel two (8) has two (7) of rope, sliding block (6) are installed to the one end of two (7) of rope, the one end of a rope (5), two (7) of rope all runs through casing (1) and sets up.

4. A wear-reducing worm screw for a steering gear for an automobile according to claim 1, wherein: the external mounting of worm (2) has sliding plate (16), the internally mounted of casing (1) has bin (9), the internally mounted of bin (9) has threaded rod (11), the one end of threaded rod (11) runs through bin (9) and sets up.

5. The worm screw for a vehicle steering gear, which reduces wear according to claim 4, wherein: the outer wall of one side of threaded rod (11) is installed backup pad (12), the internally mounted of backup pad (12) has movable rod (13), the externally mounted of movable rod (13) has backup pad two (14), sliding plate (16) and backup pad two (14) looks adaptation.

6. The worm screw for a vehicle steering gear, which reduces wear according to claim 5, wherein: the number of the first support plates (12), the movable rods (13), the second support plates (14) and the sliding plates (16) is two, the two sets of the first support plates (12), the movable rods (13), the second support plates (14) and the sliding plates (16) are symmetrically distributed on two sides of the storage box (9), and lubricating oil is filled in the storage box (9).

7. A wear-reducing worm screw for a steering gear of an automobile according to claim 6, wherein: discharge gate (10) have been seted up to the bottom of bin (9), the internally mounted of bin (9) has block rubber (15), the internally mounted of block rubber (15) has threaded rod (11), the one end of threaded rod (11) runs through block rubber (15) and sets up.