CN212828655U - Rack auxiliary supporting mechanism - Google Patents
Rack auxiliary supporting mechanism Download PDFInfo
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- CN212828655U CN212828655U CN202021177768.3U CN202021177768U CN212828655U CN 212828655 U CN212828655 U CN 212828655U CN 202021177768 U CN202021177768 U CN 202021177768U CN 212828655 U CN212828655 U CN 212828655U
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- rack
- pressing plate
- base
- steering gear
- casing
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Abstract
The utility model provides a rack auxiliary stay mechanism, including steering gear casing and the steering gear rack of wearing to establish in steering gear casing, be equipped with strutting arrangement between casing and rack, strutting arrangement includes the supporting seat, and supporting seat fixed connection rotates on the casing and installs two leading wheels that set up side by side on the supporting seat, and two leading wheels all are by its axial both ends to the waist type structure that contracts of middle part indent gradually, the surface of two leading wheels all with the surface phase-match of rack, two leading wheel centre grippings and laminating on the rack. The two guide wheels which are arranged in parallel are clamped on the rack of the steering gear and support the steering gear, so that the mechanical friction and the system noise of a steering system are reduced, and the durability, the vehicle returnability and the driving performance of the steering gear and the NVH performance of the vehicle are improved; the base and the clamp plate that set up form the disc type and overlap admittedly in the steering gear casing, increase the utility model discloses a stability.
Description
Technical Field
The utility model relates to an auto steering technical field, concretely relates to rack auxiliary stay mechanism.
Background
The rack and pinion steering gear has two-point support, wherein the support far away from the gear side is an auxiliary support which supports the rack in the circumferential direction, the traditional rack auxiliary support is a split structure, and sliding friction exists between the split auxiliary support and the rack, so that the following defects exist: 1) with the use of the steering gear, the split auxiliary support can be worn, so that the gap between the auxiliary support and the rack is increased, and abnormal sound is generated; 2) the friction resistance of the split auxiliary support to the rack is large, and the returnability and the drivability of the vehicle are influenced.
SUMMERY OF THE UTILITY MODEL
To the problem among the prior art, the utility model provides a rack auxiliary stay mechanism, aim at set up supporting mechanism between steering gear casing and steering gear rack for support steering gear rack removes.
The utility model provides a rack auxiliary stay mechanism, includes steering gear casing and the steering gear rack of wearing to establish in steering gear casing be equipped with strutting arrangement between casing and the rack, strutting arrangement includes the supporting seat, supporting seat fixed connection is in on the casing rotate on the supporting seat and install two leading wheels that set up side by side, two leading wheels all are by its axial both ends to the waist type structure that contracts of middle part indent gradually, the surface of two leading wheels all with the surface phase-match of rack, two leading wheel centre grippings and laminating are in on the rack.
Further comprises the following steps: the supporting seat comprises a base and a pressing plate, the base and the pressing plate are mutually attached and fixedly connected, the base and the pressing plate are both fixed in the shell, and the two guide wheels are both accommodated between the base and the pressing plate; and rolling bearings are fixedly connected to the two ends of the two guide wheels, and outer rings of the rolling bearings are clamped between the base and the pressing plate.
Further comprises the following steps: the positions of the base and the pressing plate corresponding to the rolling bearing are respectively provided with a clamping groove, and the clamping grooves are clamped on one side of the rolling bearing and are attached to the outer ring and the outer end face of the rolling bearing. Antifriction bearing is located between two draw-in grooves of setting on base and clamp plate, thereby these two draw-in grooves hold antifriction bearing tightly fixed with antifriction bearing joint to prevent that antifriction bearing from rocking.
Further comprises the following steps: the base and the pressing plate are disc-shaped with the same diameter, through holes are formed in the middle of the base and the middle of the pressing plate, and the two guide wheels are located on two sides of the through holes; the outer rings of the base and the pressing plate are fixedly sleeved in the shell, and the rack penetrates through the through hole.
Further comprises the following steps: first containing grooves are formed in the positions, corresponding to the two guide wheels, of the base respectively, and second containing grooves are formed in the positions, corresponding to the two guide wheels, of the pressing plate respectively; the second accommodating groove penetrates through the pressing plate, the supporting device is installed at the end of the shell, and the pressing plate is located on the outer side of the base. The supporting device is assembled in the steering gear shell and matched with the rack, and then the matching condition between the guide wheel and the rack of the supporting device can be observed through the second accommodating groove, so that the guide wheel and the rack of the supporting device are effectively matched.
Further comprises the following steps: and screws are arranged on two sides of the pressing plate and penetrate through the pressing plate to be fixedly connected with the base.
Further comprises the following steps: a gap is reserved between the base and the pressing plate, bosses which are symmetrical to each other are arranged on the two sides of the pressing plate and located between the base and the pressing plate, and the bosses are attached to the base. After the supporting device is assembled, in order to ensure that the rolling bearing is assembled and fixed firmly, an adjusting gap is required to be formed between the end face of the pressing plate and the end face of the base, the phenomenon that the peripheral gap between the end face of the pressing plate and the end face of the base is inconsistent is avoided after the base and the pressing plate are fixed, abnormal risks such as clamping stagnation and the like of the guide wheel or the rolling bearing of the supporting device are avoided, two symmetrical bosses are additionally arranged on the inner side face of the pressing plate, the pressing plate and the base can be guaranteed to be stably attached and pressed, the consistency of the peripheral gap after the pressing plate and the base are pressed can be guaranteed, and.
Further comprises the following steps: the boss is of an arc-shaped structure and is arranged along the outer edge of the inner side face of the pressing plate.
The utility model has the advantages that: the two guide wheels which are arranged in parallel are clamped on the rack of the steering gear and support the rack, so that the mechanical friction and the system noise of a steering system are reduced, and the durability, the vehicle returnability and the driving performance of the steering gear and the NVH performance of the vehicle are improved; the arranged base and the pressing plate form a disc shape and are fixedly sleeved in the steering gear shell, so that the stability of the steering gear is improved; the two guide wheels are fixed between the base and the pressing plate, and the base and the pressing plate are fixedly connected through screws, so that the support device is convenient to process and assemble; the utility model has the advantages of simple integral structure, convenient assembly, structural stability is good.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the supporting device of the present invention;
fig. 3 is a schematic view of an explosive structure of the supporting device of the present invention;
fig. 4 is a schematic structural diagram of the middle pressing plate of the present invention.
In the figure, 1, a housing; 2. a rack; 3. a support device; 31. a supporting seat; 311. a base; 312. pressing a plate; 313. a first accommodating groove; 314. a second accommodating groove; 315. a boss; 32. a guide wheel; 33. a screw; 34. a rolling bearing; 35. a through hole; 36. a clamping groove.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings. It should be noted that the terms of orientation such as left, middle, right, up and down in the examples of the present invention are only relative to each other or are referred to the normal use status of the product, and should not be considered as limiting.
The utility model provides a rack auxiliary stay mechanism, as shown in fig. 1, including steering gear casing 1 and the steering gear rack 2 of wearing to establish in steering gear casing 1 be equipped with strutting arrangement 3 between casing 1 and the rack 2, combine fig. 2 and 3 to show, strutting arrangement 3 includes supporting seat 31, supporting seat 31 fixed connection be in on the casing 1 rotate on the supporting seat 31 and install two leading wheels 32 that set up side by side, two leading wheels 32 all are by its axial both ends to the waist type structure that contracts of middle part indent gradually, the surface of two leading wheels 32 all with the surface phase-match of rack 2, two leading wheel 32 centre grippings and laminates on the rack 2.
The supporting seat 31 comprises a base 311 and a pressing plate 312, the base 311 and the pressing plate 312 are mutually attached and fixedly connected, the base 311 and the pressing plate 312 are both fixed in the casing 1, and the two guide wheels 32 are both accommodated between the base 311 and the pressing plate 312; both ends of the two guide wheels 32 are fixedly connected with rolling bearings 34, and outer rings of the rolling bearings 34 are clamped between the base 311 and the pressing plate 312. The positions of the base 311 and the pressure plate 312 corresponding to the rolling bearing 34 are both provided with a clamping groove 36, and the clamping groove 36 is clamped at one side of the rolling bearing 34 and is attached to the outer ring and the outer end face of the rolling bearing 34.
The base 311 and the pressure plate 312 are disc-shaped with the same diameter, through holes are formed in the middle of the base 311 and the middle of the pressure plate 312, and the two guide wheels 32 are located on two sides of the through hole 35; the outer rings of the base 311 and the pressure plate 312 are fixedly sleeved in the shell 1, and the rack 2 is arranged in the through hole 35 in a penetrating manner.
A first accommodating groove 313 is formed in the base 311 at positions corresponding to the two guide wheels 32, and a second accommodating groove 314 is formed in the pressing plate 312 at positions corresponding to the two guide wheels 32; the second receiving groove 314 penetrates the pressing plate 312.
A gap is reserved between the base 311 and the pressing plate 312, and as shown in fig. 4, bosses 315 are symmetrically arranged on two sides of the pressing plate 312 between the base 311 and the pressing plate 312, and the bosses 315 are attached to the base 311. The boss 315 is an arc-shaped structure and is disposed along the outer edge of the inner side surface of the pressing plate 312.
The utility model discloses a theory of operation: the supporting device is pressed in the shell, the rack penetrates through the supporting seat, the two guide wheels are clamped and supported on the rack and are respectively positioned on the upper side and the lower side of the rack, and the outer surfaces of the guide wheels are matched with the outer surface of the rack to support the rack to move.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a rack auxiliary stay mechanism which characterized in that: including the steering gear casing and the steering gear rack of wearing to establish in the steering gear casing be equipped with strutting arrangement between casing and the rack, strutting arrangement includes the supporting seat, supporting seat fixed connection is in on the casing rotate on the supporting seat and install two leading wheels that set up side by side, two leading wheels all are by its axial both ends to the waist type structure that contracts of middle part indent gradually, the surface of two leading wheels all with the surface phase-match of rack, two leading wheel centre grippings and laminating are in on the rack.
2. The rack bar auxiliary support mechanism according to claim 1, wherein: the supporting seat comprises a base and a pressing plate which are fixedly connected with each other, the base and the pressing plate are both fixed in the shell, and the two guide wheels are both accommodated between the base and the pressing plate; and rolling bearings are fixedly connected to the two ends of the two guide wheels, and outer rings of the rolling bearings are clamped between the base and the pressing plate.
3. The rack auxiliary support mechanism according to claim 2, wherein: the positions of the base and the pressing plate corresponding to the rolling bearing are respectively provided with a clamping groove, and the clamping grooves are clamped on one side of the rolling bearing and are attached to the outer ring and the outer end face of the rolling bearing.
4. The rack auxiliary support mechanism according to claim 2, wherein: the base and the pressing plate are disc-shaped with the same diameter, through holes are formed in the middle of the base and the middle of the pressing plate, and the two guide wheels are located on two sides of the through holes; the outer rings of the base and the pressing plate are fixedly sleeved in the shell, and the rack penetrates through the through hole.
5. The rack auxiliary support mechanism according to claim 4, wherein: first containing grooves are formed in the positions, corresponding to the two guide wheels, of the base respectively, and second containing grooves are formed in the positions, corresponding to the two guide wheels, of the pressing plate respectively; the second accommodating groove penetrates through the pressing plate.
6. The rack auxiliary support mechanism according to claim 4, wherein: a gap is reserved between the base and the pressing plate, bosses which are symmetrical to each other are arranged on the two sides of the pressing plate and located between the base and the pressing plate, and the bosses are attached to the base.
7. The rack auxiliary support mechanism according to claim 6, wherein: the boss is of an arc-shaped structure and is arranged along the outer edge of the inner side face of the pressing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021177768.3U CN212828655U (en) | 2020-06-23 | 2020-06-23 | Rack auxiliary supporting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021177768.3U CN212828655U (en) | 2020-06-23 | 2020-06-23 | Rack auxiliary supporting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212828655U true CN212828655U (en) | 2021-03-30 |
Family
ID=75176185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021177768.3U Active CN212828655U (en) | 2020-06-23 | 2020-06-23 | Rack auxiliary supporting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212828655U (en) |
-
2020
- 2020-06-23 CN CN202021177768.3U patent/CN212828655U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220623 Address after: 2398 Muye Avenue, high tech Zone, Xinxiang City, Henan Province Patentee after: YUBEI STEERING SYSTEM (XINXIANG) CO.,LTD. Address before: 2398 Muye Avenue, high tech Zone, Xinxiang City, Henan Province Patentee before: XINXIANG AIDIWEI AUTOMOTIVE TECHNOLOGY CO.,LTD. |
|
| TR01 | Transfer of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 2398 Muye Avenue, high tech Zone, Xinxiang City, Henan Province Patentee after: North Henan Steering System (Xinxiang) Co.,Ltd. Address before: 2398 Muye Avenue, high tech Zone, Xinxiang City, Henan Province Patentee before: YUBEI STEERING SYSTEM (XINXIANG) CO.,LTD. |
|
| CP01 | Change in the name or title of a patent holder |