CN204399268U - A kind of rack bar side lining for automobile steering device assembly - Google Patents
A kind of rack bar side lining for automobile steering device assembly Download PDFInfo
- Publication number
- CN204399268U CN204399268U CN201520014924.7U CN201520014924U CN204399268U CN 204399268 U CN204399268 U CN 204399268U CN 201520014924 U CN201520014924 U CN 201520014924U CN 204399268 U CN204399268 U CN 204399268U
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- cylindrical shell
- boss
- rack bar
- side lining
- bar side
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- Transmission Devices (AREA)
Abstract
The utility model describes a kind of rack bar side lining for automobile steering device assembly, and it comprises rack bar side lining body, and described rack bar side lining body is provided with the inner chamber of drum, and described rack bar side lining body is enclosed within the end of deflector; Front end outside described rack bar side lining body is also provided with the first boss of toroidal, and described first boss is provided with anti-slideway; Rear end outside described rack bar side lining body is also provided with the second boss of a circular arc, and the width of described second boss is greater than the width of the first boss.Rack bar side lining good operating stability of the present utility model, leak tightness are better, and structure is simple, and cost is lower, and service life is also longer.
Description
Technical field
The utility model relates to the link of automobile steering system, and especially a kind of rack bar side lining for automobile steering device assembly, belongs to vehicle transmission equipment technical field.
Background technology
Automobile steering device assembly has another name called steering box, steering wheel, and it is most important parts in steering swivel system.Its effect is: increase steering handwheel and pass to the power of steering gear and change the direction of transfer of power.The manipulation of deflector is full hydraulic, and be not that is mechanically connected between Steering gear and wheel flutter, be that hydraulic pipe or flexible pipe link between deflector with steering cylinder.Work as steering wheel rotation, deflector carries relative oil mass according to rotating of steering wheel ratio, and this oil mass flows directly to handles the corresponding side of cylinder, and the oil mass of opposite side gets back to fuel tank simultaneously.Now deflector at present can be divided into by version: have rack and pinion steering gear, cam-and-lever steering gear, recirculating ball-rack and sector steering gear, circulating ball worm and peg steering gear, Marles steering gear etc.Can be divided into again according to assist type: mechanical type (non helping hand) deflector and dynamical type (having power-assisted) deflector two kinds, wherein power steering can be divided into again the kinds such as Pneumatic pressure power formula, hydraulic power formula, electric boosted formula, electric liquid booster type.Now current, rack and pinion steering gear uses more extensive, major part automobile all have employed the diverter structure of this structure, it has with low cost, turns to sensitive and that volume is little advantage, but, after this deflector uses a period of time, easily occur that gear gear produces the problem of wearing and tearing, and leak tightness reduces the problem causing noise, particularly deflector end easily produces the situation of rocking, and this can affect the stability of deflector work.
Summary of the invention
For above-mentioned deficiency of the prior art, main purpose of the present utility model is the problem solving existing current rack and pinion steering gear working stability deficiency, and provides a kind of rack bush for automobile steering device assembly with good working stability.
The technical solution of the utility model: a kind of rack bar side lining for automobile steering device assembly, it is characterized in that, comprise rack bar side lining body, described rack bar side lining body is provided with the inner chamber of drum, and described rack bar side lining body is enclosed within the end of deflector; Front end outside described rack bar side lining body is also provided with the first boss of toroidal, and described first boss is provided with anti-slideway; Rear end outside described rack bar side lining body is also provided with the second boss of a circular arc, and the width of described second boss is greater than the width of the first boss.
Optimally, be also provided with the 3rd boss at the middle part of described rack bar side lining body, the spacing of described 3rd boss and the first boss is less than the spacing of the 3rd boss and the second boss.
Optimally, described deflector comprises steering gear housing, and described steering gear housing forms after the first cylindrical shell of a transverse direction is connected with oblique second cylindrical shell, and described first cylindrical shell is communicated with the second cylindrical shell; In described first cylindrical shell, be provided with tooth bar, in described second cylindrical shell, be provided with miniature gears, described tooth bar engages with the lower end of miniature gears; The side of described second cylindrical shell is provided with a supporting cylindrical shell, described supporting cylindrical shell and the second cylindrical shell one-body molded, described supporting cylindrical shell is communicated with the first cylindrical shell; Tooth bar supporting is installed in described supporting cylindrical shell, inner side and the tooth bar of described tooth bar supporting are adjacent to, the described outside of tooth bar supporting and the end thereof contacts of spring, the other end and the adjustment plug screw be arranged on inside supporting barrel port of described spring push against, and described adjustment plug screw is locked by the jam nut being arranged on supporting barrel port; The top of described miniature gears is stretched out outside the second cylindrical shell, at the middle part of miniature gears, cover has bearing plug screw, described bearing plug screw is connected to the top open part of the second cylindrical shell, between described bearing plug screw and the second cylindrical shell, be provided with O RunddichtringO, between described bearing plug screw and miniature gears, be provided with oil sealing; Also overlap in the bottom of described miniature gears and have antifriction-bearing box, in the bottom of miniature gears, cover has needle bearing, and described antifriction-bearing box and the outer wall of needle bearing push against with the contact internal walls of the second cylindrical shell respectively.
Relative to prior art, the utility model has following beneficial effect:
1, good operating stability: the overall co-ordination degree of rack bar side lining of the present utility model and deflector is higher, and the wearing and tearing between parts are less, and precision is also higher, therefore has good working stability.
2, leak tightness is better: adopt the automobile steering device assembly structure of the utility model rack bar side lining to additionally use oil sealing and the combined action of O RunddichtringO, and coordinate dust boot, realize the sealing of deflector inside, even if when frequent operation, also can ensure the leak tightness of equipment.
3, structure is simple, and cost is lower, and service life is longer.
Accompanying drawing explanation
Fig. 1 is the structural representation of the automobile steering device assembly having installed the utility model rack bar side lining.
Fig. 2 is the A-A cutaway view of Fig. 1.
In figure, 1-steering gear housing, the 11-the first cylindrical shell, the 12-the second cylindrical shell, 13-supporting cylindrical shell, 2-tooth bar, 3-miniature gears, 4-tooth bar supports, 5-spring, 6-adjustment plug screw, 7-jam nut, 8-bearing plug screw, 9-O RunddichtringO, 10-oil sealing, 14-there is antifriction-bearing box, 15-needle bearing, 16-dust boot, 17-miniature gears lining, 18-rack bush, 19-rack bar side lining, 20-the first boss, 21-anti-slideway, the 22-the second boss, the 23-the three boss.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Figure 1, a kind of rack bar side lining for automobile steering device assembly, comprises rack bar side lining body 19, and described rack bar side lining body 19 is provided with the inner chamber of drum, and described rack bar side lining body 19 is enclosed within the end of deflector; Front end outside described rack bar side lining body 19 is also provided with the first boss 20 of toroidal, and described first boss 20 is provided with anti-slideway 21; Rear end outside described rack bar side lining body 19 is also provided with the second boss 22 of a circular arc, and the width of described second boss 22 is greater than the width of the first boss 20.Also be provided with the 3rd boss 23 at the middle part of described rack bar side lining body 19, the spacing of described 3rd boss 23 and the first boss 20 is less than the spacing of the 3rd boss 23 and the second boss 22.
See Fig. 1 and Fig. 2, a kind of automobile steering device assembly installing above-mentioned rack bar side lining, comprise steering gear housing 1, described steering gear housing 1 forms after the first cylindrical shell 11 of a transverse direction is connected with oblique second cylindrical shell 12, in the first cylindrical shell 11 and the second cylindrical shell 12, be equipped with cavity, described first cylindrical shell 11 is communicated with the second cylindrical shell 12.In described first cylindrical shell 11, be provided with tooth bar 2, in described second cylindrical shell 12, be provided with miniature gears 3, described tooth bar 2 engages with the lower end of miniature gears 3.The side of described second cylindrical shell 12 is provided with a supporting cylindrical shell 13, described supporting cylindrical shell 13 and the second cylindrical shell 12 one-body molded, described supporting cylindrical shell 13 is communicated with the first cylindrical shell 11.Tooth bar supporting 4 is installed in described supporting cylindrical shell 13, inner side and the tooth bar 2 of described tooth bar supporting 4 are adjacent to, the described tooth bar supporting outside of 4 and the end thereof contacts of spring 5, the other end and the adjustment plug screw 6 be arranged on inside supporting cylindrical shell 13 port of described spring 5 push against, and described adjustment plug screw 6 is locked by the jam nut 7 being arranged on supporting cylindrical shell 13 port.The top of described miniature gears 3 is stretched out outside the second cylindrical shell 12, and also overlapping on the top of described miniature gears 3 has dust boot 16.At the middle part of miniature gears 3, cover has bearing plug screw 8, and described bearing plug screw 8 is connected to the top open part of the second cylindrical shell 12, is provided with O RunddichtringO 9, between described bearing plug screw 8 and miniature gears 3, is provided with oil sealing 10 between described bearing plug screw 8 and the second cylindrical shell 12; Also overlap in the bottom of described miniature gears 3 and have miniature gears lining 17.Also overlap in the bottom of described miniature gears 3 and have antifriction-bearing box 14, in the bottom of miniature gears 3, cover has needle bearing 15, and described antifriction-bearing box 14 and the outer wall of needle bearing 15 push against with the contact internal walls of the second cylindrical shell 12 respectively.See Fig. 1, on described tooth bar 2, also cover has rack bush 18, and described rack bush 18 is positioned at the opening part of the first cylindrical shell 11.
The automobile steering device assembly structure having installed the utility model rack bar side lining has good leak tightness, and working stability also obviously promotes simultaneously, and reliability is better, and working service maintenance is also relatively easy.
It should be noted that, above embodiment is only in order to illustrate technical solutions of the utility model but not restriction technologies scheme, although applicant is explained in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, those amendments that technical solutions of the utility model are carried out or equivalently to replace, aim and the scope of the technical program can not be departed from, all should be encompassed in the middle of the utility model right.
Claims (3)
1. the rack bar side lining for automobile steering device assembly, it is characterized in that, comprise rack bar side lining body (19), described rack bar side lining body (19) is provided with the inner chamber of drum, and described rack bar side lining body (19) is enclosed within the end of deflector; Also be provided with first boss (20) of toroidal in the front end in described rack bar side lining body (19) outside, described first boss (20) is provided with anti-slideway (21); Also be provided with second boss (22) of a circular arc in the rear end in described rack bar side lining body (19) outside, the width of described second boss (22) is greater than the width of the first boss (20).
2. a kind of rack bar side lining for automobile steering device assembly according to claim 1, it is characterized in that, also be provided with the 3rd boss (23) at the middle part of described rack bar side lining body (19), described 3rd boss (23) is less than the spacing of the 3rd boss (23) and the second boss (22) with the spacing of the first boss (20).
3. a kind of rack bar side lining for automobile steering device assembly according to claim 2, it is characterized in that, described deflector comprises steering gear housing (1), described steering gear housing (1) forms after first cylindrical shell (11) of a transverse direction is connected with oblique second cylindrical shell (12), and described first cylindrical shell (11) is communicated with the second cylindrical shell (12); In described first cylindrical shell (11), be provided with tooth bar (2), in described second cylindrical shell (12), be provided with miniature gears (3), described tooth bar (2) engages with the lower end of miniature gears (3); The side of described second cylindrical shell (12) is provided with a supporting cylindrical shell (13), and described supporting cylindrical shell (13) is one-body molded with the second cylindrical shell (12), and described supporting cylindrical shell (13) is communicated with the first cylindrical shell (11); Tooth bar supporting (4) is installed in described supporting cylindrical shell (13), inner side and the tooth bar (2) of described tooth bar supporting (4) are adjacent to, the described tooth bar supporting outside of (4) and the end thereof contacts of spring (5), the other end and the adjustment plug screw (6) be arranged on inside supporting cylindrical shell (13) port of described spring (5) push against, and described adjustment plug screw (6) is locked by the jam nut (7) being arranged on supporting cylindrical shell (13) port; The second cylindrical shell (12) is stretched out outward in the top of described miniature gears (3), at the middle part of miniature gears (3), cover has bearing plug screw (8), described bearing plug screw (8) is connected to the top open part of the second cylindrical shell (12), between described bearing plug screw (8) and the second cylindrical shell (12), be provided with O RunddichtringO (9), between described bearing plug screw (8) and miniature gears (3), be provided with oil sealing (10); Also overlap in the bottom of described miniature gears (3) and have antifriction-bearing box (14), in the bottom of miniature gears (3), cover has needle bearing (15), and described antifriction-bearing box (14) and the outer wall of needle bearing (15) push against with the contact internal walls of the second cylindrical shell (12) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520014924.7U CN204399268U (en) | 2015-01-10 | 2015-01-10 | A kind of rack bar side lining for automobile steering device assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520014924.7U CN204399268U (en) | 2015-01-10 | 2015-01-10 | A kind of rack bar side lining for automobile steering device assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204399268U true CN204399268U (en) | 2015-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520014924.7U Expired - Fee Related CN204399268U (en) | 2015-01-10 | 2015-01-10 | A kind of rack bar side lining for automobile steering device assembly |
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| Country | Link |
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| CN (1) | CN204399268U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109367616A (en) * | 2018-10-30 | 2019-02-22 | 武汉嘉迅汽车配件有限公司 | A kind of mechanical steering shell |
| CN110962917A (en) * | 2019-12-13 | 2020-04-07 | 海马新能源汽车有限公司 | Adjusting method of rack stroke limiting mechanism and steering gear machining method |
-
2015
- 2015-01-10 CN CN201520014924.7U patent/CN204399268U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109367616A (en) * | 2018-10-30 | 2019-02-22 | 武汉嘉迅汽车配件有限公司 | A kind of mechanical steering shell |
| CN110962917A (en) * | 2019-12-13 | 2020-04-07 | 海马新能源汽车有限公司 | Adjusting method of rack stroke limiting mechanism and steering gear machining method |
| CN110962917B (en) * | 2019-12-13 | 2021-03-30 | 海马新能源汽车有限公司 | Adjusting method of rack stroke limiting mechanism and steering gear machining method |
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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: 20150617 Termination date: 20160110 |