CN202806858U - Gear and rack type steering gear and gear shaft shell body - Google Patents
Gear and rack type steering gear and gear shaft shell body Download PDFInfo
- Publication number
- CN202806858U CN202806858U CN 201220525366 CN201220525366U CN202806858U CN 202806858 U CN202806858 U CN 202806858U CN 201220525366 CN201220525366 CN 201220525366 CN 201220525366 U CN201220525366 U CN 201220525366U CN 202806858 U CN202806858 U CN 202806858U
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- rack
- gear
- tooth bar
- hole
- wheel shaft
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Abstract
The utility model discloses a gear and rack type steering gear and a gear shaft shell body. The left side and the right side of a middle shell body of the gear shaft shell body are respectively connected with a rack shell connecting plate through a first bolt. A pressing strip is connected between the left rack shell connecting plate and the right rack shell connecting plate through a second bolt. The pressing strip is provided with a compressing threaded rod. Rack shell connecting plates which are arranged at the left side and the right side of the middle shell body are respectively connected with a cylinder-shaped rack shell. A rack penetrates through an inner hole of the rack shell and a rack hole. The rack is provided with straight teeth. A gear shaft is installed in a gear shaft hole. The rack is meshed with the gear shaft. According to the gear and rack type steering gear and the gear shaft shell body, the meshing relation between the gear shaft and the rack is improved by moving the position of the gear shaft. Compared with the prior art, the gear and rack type steering gear and the gear shaft shell body are free from abrasion between a pressing block and the rack, long in working time, free from difficulty of high-precision pressing block processing, convenient to adjust, reliable in working, easy to process and applicable to a mini car, especially an undergraduate formula car.
Description
Technical field
The utility model belongs to the vehicular spare parts field, is specifically related to a kind of mid-get car deflector of the university student's of comprising formula car, and the gear wheel shaft housing of this deflector.
Background technology
Steering system is the mechanism that keeps or change vehicle traveling direction, and when running car, guaranteeing has suitable angle relation between each wheel flutter.According to the difference of steerable energy, can be divided into manual steering system and power steering system.To the requirement of general-utility car steering system have following some: reliable operation; Handle light; When motor turning travelled, all wheels should rotate around instantaneous center of turn, any wheel sideslip that do not have; When wheel flutter was subject to impacting, the recoil of steering handwheel should be less, but will guarantee that chaufeur has suitable road sensation; Adjust simple.
Correct design deflector is most important to turning to.We are different from general-utility car to the requirement of deflector and not only want reliable operation, handle the light actual needs that also will meet racing car in university student's formula car.Needs according at a high speed excessively curved generally design parallel steer or anti-Acker Germania cornering properties, be not the instantaneous center of turn of whole wheels all on one point; Want to hold more accurately the situation on road surface, in time adjust steering angle, require the gap of steering system as much as possible little; Can easily the adjusting play, stablizes suitable state to guarantee that deflector is operated in; Be convenient to processing, all parts under existing engineering factor, can create with lower cost and precision better.
Summary of the invention
Given this, the utility model purpose is to provide a kind of gap little and be convenient to adjust, and is convenient to simultaneously the gear wheel shaft housing processed and the rack and pinion steering gear that uses this gear wheel shaft housing.
For solving above technical matters, the technical scheme that the utility model provides is, a kind of rack and pinion steering gear gear wheel shaft housing is provided, its structure is: centre housing the right and left connects tooth bar shell connecting panel by the first bolt, about between two tooth bar shell connecting panels also by the second bolt connection trim strip; Be provided with gear axis hole, rack bore and a plurality of bolt hole on the described centre housing, gear axis hole and rack bore are partly intersected, and bolt hole and rack bore all are horizontally disposed with; Be provided with tooth bar shell connecting bore, screw, the second fixed orifice on the described tooth bar shell connecting panel, the axial line of tooth bar shell connecting bore and rack bore is on same straight line; Having in screw and the bolt hole and having a hole at least is the straight trough hole, and the major diameter in straight trough hole is perpendicular to the axial line of gear axis hole, and said major diameter refers to the longest internal diameter in straight trough hole here; Be provided with the push bolt hole on the press strip, and be connected with push bolt, the axial line in push bolt hole is parallel with the major diameter in straight trough hole.
Further, described gear axis hole is mutually vertical with the rack bore axial line.
Further, also be connected with black nut on the described push bolt.
Further, described screw is the straight trough hole.
Further, described gear axis hole is through hole.
The utility model also provides a kind of rack and pinion steering gear, this deflector comprises said gear rack-type steering gear gear wheel shaft housing, the tooth bar shell connecting panel of centre housing the right and left connects respectively cylindric tooth bar shell, tooth bar runs through tooth bar shell endoporus and rack bore, be provided with straight-tooth on the tooth bar, in the gear axis hole gear wheel shaft is installed, the engagement of rack and pinion axle.
Further, described tooth bar shell outer end is connected with the linear bearing housing, is placed with the linear bearing with the tooth bar bearing fit in this linear bearing housing.
Further, described linear bearing housing outer end is connected with limiting stopper.
Further, described tooth bar shell is arranged with supporting seat outward.
Further, described gear axis hole upper and lower side aperture is equipped with zanjon ball journal and snap ring, described zanjon ball journal and gear wheel shaft normal-running fit from inside to outside successively.
Compared with prior art, rack and pinion steering gear gear wheel shaft housing described in the utility model and comprise that the rack and pinion steering gear of this rack and pinion steering gear gear wheel shaft housing is the meshing relation that improves gear wheel shaft and tooth bar by the position of traveling gear axle.When regulating tooth wheel shaft and tooth bar back lash, only need unclamp the first bolt, unclamp the black nut of push bolt, then regulate push bolt, the centre housing position changes thereupon, and the gear wheel shaft that is fixed in the centre housing is also thereupon mobile, that is to say along the major diameter line in straight trough hole and moves, and the position of tooth bar is motionless, thereby regulates the position of engagement.Come to predetermincd tension of centre housing by the push bolt on the briquetting, gear is close on the tooth bar to reduce the gap between gear wheel shaft and tooth bar.This regulative mode compares to method that traditional car compresses tooth bar with briquetting does not have wearing and tearing between briquetting and tooth bar, and it is more permanent to work, and does not also have the difficulty of machining high-precision briquetting.This compression mode reliable operation easy to adjust and handling ease are highly suitable for mid-get car such as most of formula car, particularly are applicable to university student's formula car.
Description of drawings
Fig. 1 is the front elevation of rack and pinion steering gear gear wheel shaft housing described in the utility model.
Fig. 2 is the A-A cutaway view of Fig. 1.
Fig. 3 is the left view of Fig. 1.
Fig. 4 is the block diagram of Fig. 1.
Fig. 5 is rack and pinion steering gear gear wheel shaft housing vital parts exploded perspective view described in the utility model.
Fig. 6 is the block diagram of rack and pinion steering gear described in the utility model.
Fig. 7 is the exploded perspective view of Fig. 6.
The specific embodiment
Describe below in conjunction with accompanying drawing and specific embodiment.
Referring to Fig. 1 to Fig. 5.The rack and pinion steering gear gear wheel shaft housing that present embodiment is described comprises centre housing 1, press strip 2 and 3 three main portions of tooth bar shell connecting panel.Its concrete structure is: centre housing 1 the right and left connects tooth bar shell connecting panel 3 by the first bolt, about between two tooth bar shell connecting panels 3 also by the second bolt connection trim strip 2, as shown in Figure 1, press strip 2 is positioned at the dead ahead of centre housing 1.Be provided with gear axis hole 11, rack bore 12 and a plurality of bolt hole 13 on the centre housing 1, these Kong Jun are through holes.Gear axis hole 11 is mutually vertical with rack bore 12 parts intersection and axial line, and gear axis hole 11 is the vertical direction setting, and gear axis hole 11 is the horizontal direction setting, and bolt hole 13 also is horizontally disposed with simultaneously; Bolt hole 13 is provided with 3 in the present embodiment, and triangularity is arranged.Be provided with tooth bar shell connecting bore 31, screw 32, the second fixed orifice 33 on the tooth bar shell connecting panel 3, the axial line of tooth bar shell connecting bore 31 and rack bore 12 is on same straight line.Screw 32 is the straight trough hole, and perhaps bolt hole 13 is the straight trough hole, and the major diameter in straight trough hole is perpendicular to the axial line of gear axis hole 11; Be provided with the push bolt hole on the press strip 2, and be connected with push bolt 21, also be connected with black nut 22 on the push bolt 21.The axial line in push bolt hole is parallel with the major diameter in straight trough hole.During use, adjust push bolt 21, middle housing 1 is pushed.In whole rack and pinion steering gear gear wheel shaft casing device, press strip 2 is captiveed joint with tooth bar shell connecting panel 3, centre housing 1 can and tooth bar shell connecting panel 3 between position relationship can in one plane make fine tune.That is to say, when 21 pairs of middle housings 1 of push bolt apply certain pressure, centre housing 1 is moved along the major diameter direction in straight trough hole.
Shown in Fig. 6 and Fig. 7 is the rack and pinion steering gear that comprises said gear rack-type steering gear gear wheel shaft housing, the tooth bar shell connecting panel 3 of centre housing 1 the right and left connects respectively cylindric tooth bar shell 34, tooth bar 5 runs through tooth bar shell 34 endoporus and rack bore 12, tooth bar 5 middle section positions are provided with straight-tooth, two ends are connected with plug 51, gear wheel shaft 4 is installed, tooth bar 5 and gear wheel shaft 4 engagements in the gear axis hole 11.Gear axis hole 11 upper and lower side apertures are equipped with zanjon ball journal 41 and snap ring 42 from inside to outside successively, described zanjon ball journal 41 and gear wheel shaft 4 normal-running fiies.Tooth bar shell 34 outer ends are connected with linear bearing housing 6, are placed with the linear bearing 61 with tooth bar 5 bearing fits in this linear bearing housing 6.Linear bearing housing 6 outer ends are provided with negative thread, and limiting stopper 7 is to be provided with the outside thread torus, and linear bearing housing 6 spins with limiting stopper 7, and limiting stopper 7 is in order to the placement location of stability line bearing 61.Outside tooth bar shell 34, be arranged with supporting seat 8.In this deflector, tooth bar 5 can only slide along the axial line of tooth bar shell 34 in tooth bar shell 34, therefore, tooth bar 5 is fixed with the closest range of press strip 2, and centre housing 1 can move along the major diameter direction in straight trough hole, also just can adjust gear wheel shaft 4 in the centre housing 1 and the gap between the tooth bar 5, as mentioned above, the gap between gear wheel shaft 4 and the tooth bar 5 is regulated by pressing bolt 21.Concrete control method is, unclamp the first bolt, unclamp the black nut of push bolt, then regulate push bolt, push bolt extruding centre housing, the centre housing position is mobile immediately, the gear wheel shaft that is fixed in the centre housing is also thereupon mobile, and the position of tooth bar is motionless, thereby makes the gap between the rack and pinion axle less, and engagement closely.
Only be preferred implementation of the present utility model below, should be pointed out that above-mentioned preferred implementation should not be considered as restriction of the present utility model, protection domain of the present utility model should be as the criterion with the claim limited range.For those skilled in the art, within not breaking away from spirit and scope of the present utility model, can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (10)
1. rack and pinion steering gear gear wheel shaft housing, it is characterized in that, its structure is: centre housing (1) the right and left connects tooth bar shell connecting panel (3) by the first bolt, about between two tooth bar shell connecting panels (3) also by the second bolt connection trim strip (2); Be provided with gear axis hole (11), rack bore (12) and a plurality of bolt hole (13) on the described centre housing (1), gear axis hole (11) and rack bore (12) part are intersected, and bolt hole (13) all is horizontally disposed with rack bore (12); Be provided with tooth bar shell connecting bore (31), screw (32), the second fixed orifice (33) on the described tooth bar shell connecting panel (3), the axial line of tooth bar shell connecting bore (31) and rack bore (12) is on same straight line; Having in screw (32) and the bolt hole (13) and having a hole at least is the straight trough hole, and the major diameter in straight trough hole is perpendicular to the axial line of gear axis hole (11); Press strip is provided with the push bolt hole on (2), and is connected with push bolt (21), and the axial line in push bolt hole is parallel with the major diameter in straight trough hole.
2. rack and pinion steering gear gear wheel shaft housing according to claim 1 is characterized in that, described gear axis hole (11) is mutually vertical with rack bore (12) axial line.
3. rack and pinion steering gear gear wheel shaft housing according to claim 1 is characterized in that, also is connected with black nut (22) on the described push bolt (21).
4. rack and pinion steering gear gear wheel shaft housing according to claim 1 is characterized in that, described screw (32) is the straight trough hole.
5. rack and pinion steering gear gear wheel shaft housing according to claim 1 is characterized in that, described gear axis hole (11) is through hole.
6. rack and pinion steering gear, it is characterized in that, comprise said gear rack-type steering gear gear wheel shaft housing, the tooth bar shell connecting panel (3) of centre housing (1) the right and left connects respectively cylindric tooth bar shell (34), tooth bar (5) runs through tooth bar shell (34) endoporus and rack bore (12), tooth bar is provided with straight-tooth on (5), and gear wheel shaft (4) is installed in the gear axis hole (11), tooth bar (5) and gear wheel shaft (4) engagement.
7. rack and pinion steering gear according to claim 6 is characterized in that, described tooth bar shell (34) outer end is connected with linear bearing housing (6), is placed with the linear bearing (61) with tooth bar (5) bearing fit in this linear bearing housing (6).
8. rack and pinion steering gear according to claim 7 is characterized in that, described linear bearing housing (6) outer end is connected with limiting stopper (7).
9. rack and pinion steering gear according to claim 6 is characterized in that, the outer supporting seat (8) that is arranged with of described tooth bar shell (34).
10. rack and pinion steering gear according to claim 6 is characterized in that, described gear axis hole (11) upper and lower side aperture is equipped with zanjon ball journal (41) and snap ring (42) from inside to outside successively, described zanjon ball journal and gear wheel shaft (4) normal-running fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220525366 CN202806858U (en) | 2012-10-15 | 2012-10-15 | Gear and rack type steering gear and gear shaft shell body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220525366 CN202806858U (en) | 2012-10-15 | 2012-10-15 | Gear and rack type steering gear and gear shaft shell body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202806858U true CN202806858U (en) | 2013-03-20 |
Family
ID=47865785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220525366 Expired - Fee Related CN202806858U (en) | 2012-10-15 | 2012-10-15 | Gear and rack type steering gear and gear shaft shell body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202806858U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104908805A (en) * | 2015-06-26 | 2015-09-16 | 株洲易力达机电有限公司 | Tubular booster-type electric power steering device |
| CN108556904A (en) * | 2018-02-05 | 2018-09-21 | 上海义赫文化传媒有限公司 | A kind of light-weighted tooth sector rackwork |
| CN110067851A (en) * | 2019-05-10 | 2019-07-30 | 华侨大学 | A kind of equation motorcycle race inter-lobe clearance adjustment devices and methods therefor |
-
2012
- 2012-10-15 CN CN 201220525366 patent/CN202806858U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104908805A (en) * | 2015-06-26 | 2015-09-16 | 株洲易力达机电有限公司 | Tubular booster-type electric power steering device |
| CN108556904A (en) * | 2018-02-05 | 2018-09-21 | 上海义赫文化传媒有限公司 | A kind of light-weighted tooth sector rackwork |
| CN110067851A (en) * | 2019-05-10 | 2019-07-30 | 华侨大学 | A kind of equation motorcycle race inter-lobe clearance adjustment devices and methods therefor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130320 Termination date: 20151015 |
|
| EXPY | Termination of patent right or utility model |