CN213292417U

CN213292417U - Steering gear shell

Info

Publication number: CN213292417U
Application number: CN202022366453.XU
Authority: CN
Inventors: 常梦鸽; 郑志浩; 李刚; 任宁; 张小俊
Original assignee: Hebei University of Technology
Current assignee: Hebei University of Technology
Priority date: 2020-10-22
Filing date: 2020-10-22
Publication date: 2021-05-28
Anticipated expiration: 2030-10-22

Abstract

The utility model provides a steering gear casing, which comprises a housin, the casing is the cuboid structure, and the casing is inside vertically to be provided with the gear mounting groove, and the lateral wall that runs through the casing is provided with the rack mounting hole, and the axis mutually perpendicular of gear mounting groove and rack mounting hole, gear mounting groove and rack mounting hole communicate mutually, and the coaxial direction carbon pipe that is provided with on the lateral wall at rack mounting hole both ends is close to and is provided with the elasticity adjusting device on the lateral wall of rack mounting hole, the axis mutually perpendicular of elasticity adjusting device and rack mounting hole, the utility model has the advantages of convenient fixed, stability is good, has the elasticity and adjusts the structure, can make things convenient for between adjusting gear and the rack advantages such as.

Description

Steering gear shell

Technical Field

The utility model belongs to the technical field of mechanical equipment, especially, relate to a steering gear casing.

Background

The steering system is characterized in that the driving direction of a vehicle is changed according to the consciousness of a driver in the driving process, a steering gear is used as a key component of the steering system, the steering gear is mainly converted into left-right swing of tires from rotation of a steering wheel, the steering gear can be divided into a rack-and-pinion steering gear and a circulating ball type steering gear according to the structure, the steering gear adopted by the current university formula racing car is a rack-and-pinion steering gear, but the shell of the steering gear used by the current university formula racing car is a cylinder, so that the fixing effect is poor, and the stability of the steering gear is poor; in addition, in the existing steering gear, a gear is arranged in a steering gear shell, a carbon tube penetrates through the steering gear shell, and a rack is arranged in the carbon tube, so that the gear and the rack are meshed in the steering gear shell, a gap exists between the carbon tube and the steering gear shell due to the structure, the meshing between the gear and the rack is unstable, and the steering gear is poor in working stability.

Disclosure of Invention

The to-be-solved problem of the utility model is to provide a convenient fixed, stable good, have the steering gear casing of elasticity regulation structure.

In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a steering gear casing, includes the casing, the casing is the cuboid structure, the inside gear mounting groove that vertically is provided with of casing runs through the lateral wall of casing is provided with the rack mounting hole, the axis mutually perpendicular of gear mounting groove and rack mounting hole, gear mounting groove and rack mounting hole communicate mutually, coaxial direction carbon pipe that is provided with on the lateral wall at rack mounting hole both ends is close to be provided with the elasticity adjusting device on the lateral wall of rack mounting hole, the axis mutually perpendicular of elasticity adjusting device and rack mounting hole.

Further, a chamfer structure is arranged on the lower end face of the shell opposite to the gear mounting groove.

Furthermore, the elasticity adjusting device comprises a sleeve pipe fixedly arranged on the side wall of the shell and an elasticity quick-release structure arranged in the sleeve pipe, and the sleeve pipe is communicated with the rack mounting hole through a through hole.

Furthermore, the elastic quick-release structure comprises a pressing head matched with the sleeve pipe, a hollow inserting pipe fixedly arranged on the pressing head, a spring sleeved on the hollow inserting pipe, a plug detachably connected with the hollow inserting pipe, a plate spring fixedly connected to the plug through a bolt and a pressing block clamped with the plate spring.

Furthermore, an annular convex block is arranged on the inner wall of the through hole, the spring is sleeved on the hollow insertion pipe between the annular convex block and the pressing head, an annular groove is formed in one end, far away from the pressing head, of the hollow insertion pipe, a backing ring is arranged in the annular groove, balls are arranged on one side of the annular groove around the hollow insertion pipe, the backing ring and the balls are clamped on the annular convex block, a clamping groove matched with the balls is formed in the plug, and the plug and the hollow insertion pipe are connected through the balls and the clamping groove.

Further, one side of the pressing block close to the plate spring is provided with a strip-shaped groove, and two ends of the plate spring are clamped in the strip-shaped groove.

Furthermore, a pressing block placing groove matched with the pressing block and a plate spring placing groove matched with the plate spring are formed in the side wall, communicated with the through hole, of the rack mounting hole, and the structure of the pressing block is matched with the side wall of the rack mounting hole.

Further, the number of the balls is more than 4.

Furthermore, the compressing block is made of graphene.

Compared with the prior art, the utility model has the advantages and beneficial effect be:

1. the utility model discloses the structure of steering gear casing sets up to the cuboid structure, has increased the area of contact of casing with the stationary plane, and is fixed effectual to carry out the chamfer through the length of side to terminal surface under the casing and handle, increased a stationary plane in other words, increased the fixed stability of steering gear casing.

2. The utility model discloses directly set up the rack mounting hole on the casing to set up the direction carbon pipe in the both sides of rack mounting hole, enable the rack and directly pass the rack mounting hole and mesh with the gear in the gear mounting groove in the rack mounting hole, effectively avoided the carbon pipe directly to pass the casing that the casing caused and the clearance problem between the carbon pipe, guaranteed steering gear casing stability in operation.

3. The utility model discloses set up elasticity adjusting device in one side of rack mounting hole, can control the rack and fluctuate in the certain limit, can effectively adjust the meshing clearance between rack and the gear, the protection rack does not receive the damage to elasticity quick detach structure among the elasticity adjusting device can conveniently change the leaf spring, makes it keep good elasticity at any time.

Drawings

Fig. 1 is a schematic view of the overall structure of a steering gear housing according to the present invention.

Fig. 2 is a schematic top view of the structure of fig. 1.

Fig. 3 is a schematic structural view of a section a-a in fig. 2.

Fig. 4 is a schematic sectional view of the housing of fig. 2 taken along line B-B.

Fig. 5 is an exploded view of the quick release structure of the steering housing according to the present invention.

In the figure: 1-a shell; 2-gear mounting groove; 3-rack mounting holes; 4-guiding the carbon tube; 5-an elastic adjustment device; 6-chamfering structure; 7-sleeving a pipe; 8-elastic quick release structure; 9-a through hole; 10-pressing head; 11-a hollow splicing tube; 12-a spring; 13-a plug; 14-a bolt; 15-a leaf spring; 16-a compression block; 17-a ring-shaped projection; 18-an annular groove; 19-a backing ring; 20-a ball bearing; 21-card slot; 22-a strip-shaped groove; 23-a compact block placing groove; 24-leaf spring placement groove.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.

As shown in fig. 1-5, a steering gear housing comprises a housing 1, the housing 1 is a rectangular structure, the contact area between the housing 1 and a fixing surface is increased, the fixing effect is good, a gear mounting groove 2 is longitudinally arranged inside the housing 1, a rack mounting hole 3 is arranged on a side wall penetrating through the housing 1, the gear mounting groove 2 and the central axis of the rack mounting hole 3 are perpendicular to each other, the gear mounting groove 2 is communicated with the rack mounting hole 3, guide carbon tubes 4 are coaxially arranged on side walls at two ends of the rack mounting hole 3, the rack mounting hole 3 is directly arranged on the housing 1, and guide carbon tubes 4 are arranged on two sides of the rack mounting hole 3, so that a rack can directly penetrate through the rack mounting hole 3 and is meshed with a gear in the gear mounting groove 2 in the rack mounting hole 3, thereby effectively avoiding the problem of a gap between the housing 1 and the carbon tubes caused by the carbon tubes directly penetrating through the housing 1, the stability of the steering gear shell in operation is guaranteed, the elastic adjusting device 5 is arranged on the side wall close to the rack mounting hole 3, the elastic adjusting device 5 is perpendicular to the central axis of the rack mounting hole 3, the rack can be controlled to fluctuate within a certain range, the meshing gap between the rack and the gear can be effectively adjusted, and the rack is protected from being damaged.

The steering gear shell is characterized in that a gear is arranged in a gear mounting groove 2, a rack sequentially penetrates through a guide carbon tube 4 and a rack mounting hole 3, the rack and the gear are meshed with each other, and a steering shaft connected with the gear is rotated to drive the rack to move, so that a steering pull rod connected with the rack is driven to move, and the steering action of the university student formula racing car is realized.

Furthermore, a chamfer structure 6 is arranged on the lower end face of the shell 1 opposite to the gear installation groove 2, which is equivalent to increase a fixing surface and increases the stability of the fixing of the steering gear shell.

Further, the elasticity adjusting device 5 comprises a sleeve pipe 7 fixedly arranged on the side wall of the shell 1 and an elasticity quick-release structure 8 arranged in the sleeve pipe 7, and the sleeve pipe 7 is communicated with the rack mounting hole 3 through a through hole 9.

Furthermore, the elastic quick release structure 8 comprises a pressing head 10 matched with the sleeve 7, a hollow splicing pipe 11 fixedly arranged on the pressing head 10, a spring 12 sleeved on the hollow splicing pipe 11, a plug 13 detachably connected with the hollow splicing pipe 11, a plate spring 15 fixedly connected to the plug 13 through a bolt 14, and a pressing block 16 clamped with the plate spring 15, wherein one side of the pressing block 16 is in contact with a rack in the rack mounting hole 3, and the other end of the pressing block is clamped with the plate spring 15.

Furthermore, the inner wall of the through hole 9 is provided with an annular convex block 17, the spring 12 is sleeved on the hollow splicing pipe 11 between the annular convex block 17 and the pressing head 10, one end of the hollow insertion pipe 11 far away from the pressing head 10 is provided with an annular groove 18, a backing ring 19 is arranged in the annular groove 18, one side of the annular groove 18 is provided with a ball 20 around the hollow plug tube 11, the backing ring 19 and the balls 20 are clamped on the annular convex block 17, so that the whole elastic quick release structure 8 can be stably fixed in the through hole 9, the plug 13 is provided with a clamping groove 21 matched with the ball 20, the plug 13 and the hollow plug tube 11 are connected with the clamping groove 21 through the ball 20, and the plate spring 15 is conveniently replaced by the plug 13 and the hollow plug tube 11 in a detachable connection mode, so that the plate spring keeps good elasticity at any time.

Further, one side that the compact heap 16 is close to leaf spring 15 is provided with bar groove 22, the joint of the both ends of leaf spring 15 is in bar groove 22, makes leaf spring 15 and compact heap 16 zonulae occludens, can make leaf spring 15's elasticity effect in time feed back to compact heap 16 on to in time carry out pressure adjustment to the rack, set up bar groove 22 in addition and can prevent that leaf spring 15 and compact heap 16 from breaking away from.

Furthermore, a pressing block placing groove 23 matched with the pressing block 16 and a plate spring placing groove 24 matched with the plate spring 15 are formed in the side wall, communicated with the through hole 9, of the rack mounting hole 3, so that the pressing block 16 and the plate spring 15 can be better matched with the side wall of the shell 1, a certain limiting effect is achieved, the deviation of the elastic adjusting device 5 is prevented, the structure of the pressing block 16 is matched with the side wall of the rack mounting hole 3, the pressing block 16 is better contacted with the rack, the contact area is increased, and the meshing gap between the rack and the gear is better adjusted.

Furthermore, the number of the balls 20 is more than 4, so that the connection between the hollow insertion tube 11 and the plug 13 is more stable, and meanwhile, the balls 20 are clamped with the annular convex block 17, so that the fixing stability of the whole elastic quick release structure 8 is improved.

Further, the material of compact heap 16 is the graphite alkene material, and the graphite alkene material has the effect of self-lubricating, and protection rack that can be better does not receive the damage.

The utility model discloses a working process does: the steering gear casing is through installing the gear in the gear mounting groove, pass direction carbon pipe and rack mounting hole with the rack in proper order, make rack and gear intermeshing, make the gear drive rack removal through the steering spindle that rotates with gear connection, thereby drive the steering linkage motion with rack connection, realize the action of turning to of university student's equation motorcycle race, in operation, adjust the meshing clearance between rack and the gear through elasticity adjusting device, the elastic action through the leaf spring, transmit its effort for the compact heap, adjust the meshing clearance between rack and the gear through the change of compact heap to rack effort, and through elasticity quick detach structure, the spring that can be convenient is in time changed to the board, concrete change process does: press the press head, make the cavity bayonet joint to the motion of gear mounting groove direction, break away from annular lug with ball and backing ring, the spring is compressed this moment, the ball can move outward slightly radially, extract the plug in the cavity peg graft pipe in the direction of gear mounting groove, screw down the bolt and change the back to the leaf spring, insert the cavity peg graft pipe with the plug once more, make the ball card in the draw-in groove, loosen the press head, the cavity peg graft pipe is to the direction motion of cup jointing pipe under the effect of spring, make ball and backing ring just in time the joint on annular lug, it is fixed with elasticity quick detach structure to carry out, and the change finishes, it is convenient to change, and the operation of being convenient for.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims

1. A diverter housing, characterized by: the novel gear rack is characterized by comprising a housing, wherein the housing is of a cuboid structure, a gear mounting groove is longitudinally formed in the housing and runs through the side wall of the housing, a rack mounting hole is formed in the side wall of the housing, the gear mounting groove is perpendicular to the axis of the rack mounting hole, the gear mounting groove is communicated with the rack mounting hole, guide carbon tubes are coaxially arranged on the side walls of two ends of the rack mounting hole and are close to the side wall of the rack mounting hole, and the elastic adjusting device is arranged on the side wall of the rack mounting hole and perpendicular to the axis of the rack mounting hole.

2. A diverter housing according to claim 1, wherein: and a chamfer structure is arranged on the lower end face of the shell opposite to the gear mounting groove.

3. A diverter housing according to claim 1, wherein: the elasticity adjusting device comprises a sleeve pipe fixedly arranged on the side wall of the shell and an elasticity quick-release structure arranged in the sleeve pipe, and the sleeve pipe is communicated with the rack mounting hole through a through hole.

4. A diverter housing according to claim 3, wherein: the elastic quick-release structure comprises a pressing head matched with the sleeve pipe, a hollow inserting pipe fixedly arranged on the pressing head, a spring sleeved on the hollow inserting pipe, a plug detachably connected with the hollow inserting pipe, a plate spring fixedly connected to the plug through a bolt and a pressing block clamped with the plate spring.

5. A diverter housing according to claim 4, wherein: the novel press head is characterized in that an annular convex block is arranged on the inner wall of the through hole, the spring is sleeved on a hollow inserting pipe between the annular convex block and the press head, an annular groove is formed in one end, away from the press head, of the hollow inserting pipe, a backing ring is arranged in the annular groove, a ball is arranged on one side of the annular groove around the hollow inserting pipe, the backing ring and the ball are clamped on the annular convex block, a clamping groove matched with the ball is formed in the plug, and the plug and the hollow inserting pipe are connected through the ball and the clamping groove.

6. A diverter housing according to claim 4, wherein: one side of the pressing block close to the plate spring is provided with a strip-shaped groove, and two ends of the plate spring are clamped in the strip-shaped groove.

7. A diverter housing according to claim 4, wherein: and the side wall of the rack mounting hole communicated with the through hole is provided with a pressing block placing groove matched with the pressing block and a plate spring placing groove matched with the plate spring, and the structure of the pressing block is matched with the side wall of the rack mounting hole.

8. A diverter housing according to claim 5, wherein: the number of the balls is more than 4.

9. A diverter housing according to claim 4, wherein: the compressing block is made of graphene.