CN210734272U - Hole clamping device connected with relative rotation structure - Google Patents
Hole clamping device connected with relative rotation structure Download PDFInfo
- Publication number
- CN210734272U CN210734272U CN201921793299.5U CN201921793299U CN210734272U CN 210734272 U CN210734272 U CN 210734272U CN 201921793299 U CN201921793299 U CN 201921793299U CN 210734272 U CN210734272 U CN 210734272U
- Authority
- CN
- China
- Prior art keywords
- plastic
- sleeve
- plastic bushing
- convex rib
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000004033 plastic Substances 0.000 claims abstract description 76
- 229920003023 plastic Polymers 0.000 claims abstract description 76
- 239000003365 glass fiber Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 2
- 210000003205 muscle Anatomy 0.000 description 6
- 230000006872 improvement Effects 0.000 description 5
- 238000001125 extrusion Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Images
Landscapes
- Connection Of Plates (AREA)
Abstract
The utility model relates to a hole clamping device connected with a relative rotation structure, which comprises two plastic bushings, wherein the two plastic bushings are respectively arranged at two sides of a through hole, the plastic bushings are T-shaped structures consisting of a cylindrical part and a baffle part, the plastic bushings are provided with an opening arranged along the length direction of the plastic bushings, the inner side walls of the plastic bushings are provided with a plurality of convex ribs which are uniformly distributed along the circumferential direction of the inner side walls, and the convex ribs and the inner side walls of the plastic bushings form a wavy structure; the sleeve penetrates through the two plastic bushings, and two ends of the sleeve are in interference fit with the corresponding plastic bushings; and one end of the bolt penetrates through the second structure, is arranged outside the second structure through the plastic bushing and the sleeve and is screwed and fixed through the nut. The utility model has the advantages of as follows: under the requirement of the same rotating torque range, the requirements on the precision and the range of the tightening force of the nut are reduced, the control difficulty of assembly and manufacture is reduced, and the standardization of the tightening force of the bolt in the assembly process is facilitated.
Description
Technical Field
The utility model belongs to the automobile steering column field, concretely relates to connect relative revolution mechanic's hole clamping device.
Background
The steering column belongs to a subsystem of an automobile steering system, and has the main functions of transmitting the torque and the turning angle of the steering wheel, adjusting the position of the steering wheel, preventing burglary, collapsing new energy, connecting a wire harness, connecting an automobile beam, connecting a protective cover, connecting a combination switch and the like, wherein the function of adjusting the position of the steering wheel of the steering column can be divided into two functions of adjusting the steering wheel up and down and adjusting the steering wheel back and forth, and when a driver adjusts the steering wheel to the required position, a locking device of the steering column needs to lock and maintain the position.
In an automobile steering column system, two structures which rotate relatively exist more, and the two structures which rotate relatively are connected, a more common connection mode is that holes are formed in the middle of the two structures, bolts are penetrated, nuts are tightened to be tightened, the tightening force range of the nuts is determined according to the torque range allowed by the rotation motion, the tightening force of the nuts directly generates positive pressure and then is converted into friction force, therefore, the rotation torque required by the rotation motion is very sensitive to the tightening force of the nuts, if the rotation torque range is smaller, the precision requirement of the tightening force of the nuts is very high, the difficulty of assembly and manufacturing is improved, and the standardization of the torque in the assembly process is not facilitated.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming above not enough, provide a connect hole clamping device of relative revolution mechanic, under same rotatory torque scope requirement, to the precision and the scope requirement reduction of the tightening force of nut, reduced the control degree of difficulty of assembly manufacturing, the standardization of the tightening force of bolt in the assembly process of being convenient for.
The purpose of the utility model is realized through the following technical scheme: a hole clamping device connected with a relative rotation structure, the relative rotation structure comprises a first structure with a through hole and a second structure sleeved outside the first structure, the hole clamping device comprises
The plastic bushing is of a T-shaped structure consisting of a cylindrical part and a baffle part, an opening arranged along the length direction of the plastic bushing is formed in the plastic bushing, a plurality of convex ribs which are uniformly distributed are arranged on the inner side wall of the plastic bushing along the circumferential direction of the inner side wall, and the convex ribs and the inner side wall of the plastic bushing form a wavy structure;
the sleeve penetrates through the two plastic bushings, and two ends of the sleeve are in interference fit with the corresponding plastic bushings;
and one end of the bolt penetrates through the second structure, is arranged outside the second structure through the plastic bushing and the sleeve and is screwed and fixed through the nut.
The utility model discloses a further improvement lies in: the cylindrical portion, the baffle portion and the ribs form an integrated glass fiber structure.
The utility model discloses a further improvement lies in: the terminal surface of protruding muscle is the arc surface, and protruding muscle includes the protruding muscle body that extends along plastics bush inside wall length direction, arranges the toper portion of protruding muscle body medial extremity in and arranges the guide part of protruding muscle body outside end in, and toper portion, protruding muscle body and guide part are the integrated into one piece structure.
The utility model discloses a further improvement lies in: the two side ports of the plastic bush are provided with grooves along the tracks of the two side ends of the convex ribs.
The utility model discloses a further improvement lies in: the two side ports of the plastic bush are provided with grooves along the tracks of the two side ends of the convex ribs.
The utility model discloses a further improvement lies in: the outer side end face of the bolt, which is in contact with the sleeve, is a smooth face, and the outer side end face of the bolt, which penetrates through the second structure, is a threaded face.
Compared with the prior art, the utility model has the following advantage:
1. the utility model discloses add plastic bush and sleeve on the basis of traditional bolt, two plastic bush pressure equipment run through two plastic bushes at the both ends of through-hole and with the sleeve, the bolt runs through two relative rotation's first structure, the second structure and through arranging the sleeve in the through-hole in, for the firm reliability of firm jogged joint, the moment can be as big as possible to the nut, the power of screwing up of bolt can not influence two relative rotation's rotation moment, precision and the scope requirement of the power of screwing up of nut reduce, thereby the control degree of difficulty of assembly manufacturing has been reduced, also be convenient for the standardization of the power of screwing up of bolt in the assembling process.
2. In the bolt tightening process, on tightening pressure transmits the plastic bushing, the utility model discloses well plastic bushing's structural design makes the plastic bushing not take place great deformation and take place inside extrusion to the sleeve under the bolt tightening effect.
Drawings
Fig. 1 is a schematic view of the hole clamping device of the present invention connected to a relative rotation structure.
Fig. 2 is a schematic view of the connection between the sleeve and the plastic bushing of the hole clamping device of the relative rotation structure of the present invention.
Fig. 3 is a schematic structural view of a plastic bushing of a hole clamping device of the present invention connected to a relative rotation structure.
Reference numbers in the figures: 1-first structure, 2-second structure, 3-through hole, 4-plastic bushing, 41-cylindrical part, 42-baffle part, 43-opening, 44-convex rib, 441-convex rib body, 442-conical part, 443-guiding part, 444-groove, 5-sleeve, 51-guiding inclined surface, 6-bolt, 61-smooth surface, 62-thread surface and 7-nut.
Detailed Description
In order to deepen the understanding of the present invention, the present invention will be further described in detail with reference to the following embodiments and the attached drawings, and the embodiments are only used for explaining the present invention, and do not constitute the limitation to the protection scope of the present invention.
In the description of the present invention, it should be understood that the terms indicating orientation or positional relationship, such as those based on the drawings, are only for convenience of description and simplification of description, and do not indicate or imply that the structures or units indicated must have a specific orientation, and therefore, should not be construed as limiting the present invention.
In the present invention, unless otherwise specified or limited, terms such as "connected," "provided," "having," and the like are to be understood in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, or directly connected, and may be connected through an intermediate medium, and those skilled in the art can understand the basic meaning of the above terms in the present invention according to specific situations.
As shown in FIG. 1 and FIG. 2, the present invention relates to an embodiment of a hole clamping device for connecting a relative rotation structure, the relative rotation structure comprises a first structure 1 with a through hole 3 and a second structure 2 sleeved outside the first structure 1, including
The plastic bushing 4 is of a T-shaped structure consisting of a cylindrical part 41 and a baffle part 42, the plastic bushing 4 is provided with an opening 43 arranged along the length direction of the plastic bushing 4, the inner side wall of the plastic bushing 4 is provided with a plurality of convex ribs 44 uniformly distributed in an array manner along the circumferential direction of the inner side wall, and the convex ribs 44 and the inner side wall of the plastic bushing 4 form a wavy structure;
the sleeve 5 penetrates through the two plastic bushings 4, and two ends of the sleeve 5 are in interference fit with the corresponding plastic bushings 4;
and one end of the bolt 6 penetrates through the second structure 2, is arranged outside the second structure 2 through the plastic bushing 4 and the sleeve 5 and is screwed and fixed through the nut 7.
Assembling: the two plastic bushings 4 are respectively arranged in two ends of the through hole 3 in a press-fitting mode, any side end of the sleeve 5 is pressed into the plastic bushings 4, the first structure 1 is aligned with the hole in the second structure 2, the bolt 6 penetrates through the first structure 1 and the second structure 2 and passes through the sleeve 5 in the first structure 1, the bolt 6 is matched with the nut 7 welded on the second structure 2, hole clamping and fixing are achieved, and meanwhile the first structure 1 and the second structure 2 can rotate. The utility model discloses add plastic bush 4 and sleeve 5 on traditional bolt's basis, two plastic bush 4 pressure equipments run through two plastic bush 4 at the both ends of through-hole 3 and with sleeve 5, bolt 6 runs through two relative rotation's first structure 1, second structure 2 and through the sleeve 5 of arranging in through-hole 3, for the firm reliability of firm jogged joint, nut 7 screws up the moment and can be as big as possible, bolt 6's tightening force can not influence two relative rotation structure's rotation moment, the precision and the scope of the tightening force to nut 7 require to reduce, thereby the control degree of difficulty of assembly manufacturing has been reduced, the standardization of the tightening force of bolt 6 in the assembling process of also being convenient for.
During assembly, when the bolt 6 is tightened, the tightening pressure is firstly transmitted to the plastic bush 4 to deform the plastic bush 2, the tightening force of the bolt 6 starts to act on the two end faces of the sleeve 5 when the bolt 6 is tightened again, the tightening torque of the bolt 6 is continuously increased, the deformation amount of the plastic bush 2 is basically unchanged, the main resistance torque comes from the sleeve 5, and the tightening force of the bolt 6 does not influence the rotation torque of the two relative rotation structures and is finally independent of the tightening torque of the bolt 6.
In this embodiment, the cylindrical portion 41, the baffle portion 42, and the rib 44 form an integrated glass fiber structure. In order to take the connection reliability of the first structure 1 and the second structure 2 into consideration, a large tightening force is generally applied to the bolt 6 in operation, but in the process, the plastic bushing 2 is deformed to a small extent, the plastic bushing 2 is easily damaged due to the relative rotation movement of the first structure 1 and the second structure 2 for a long time in the use process, and the bushing 4 is preferably of an integral glass fiber structure, so that the problems are effectively avoided, and even if the bushing is deformed after being subjected to the tightening force of the bolt 6, the wear resistance and the strength can meet the use requirements later.
The function of the middle convex rib 44 of the utility model is to strengthen the inside of the plastic bush 4, the design of the upper opening 43 of the plastic bush 4 is convenient for the two plastic bushes 4 to be pressed at the two ends of the through hole 3, and the plastic bush 4 is tightly attached to the inner side wall of the through hole 3 by the opening force of the opening 43 in the through hole 3; as shown in fig. 3, the rib 44 preferably has an arc-shaped end surface, the rib 44 includes a rib body 441 extending in the longitudinal direction of the inner wall of the plastic bush 4, a tapered portion 442 provided at the inner end of the rib body 441, and a guide portion 443 provided at the outer end of the rib body 441, and the tapered portion 442, the rib body 441, and the guide portion 443 are integrally formed.
The sleeve 5 is screwed and fixed through the bolt 6 after penetrating through the two bushings 4, the two plastic bushings 4 deform in a small range along with the screwing force of the bolt 6, the two ends of the convex rib 44 in the bushings 4 collide with the sleeve 5, the two ends of the convex rib 44 rub against the outer surface of the sleeve 5 to wear the outer surface of the sleeve 5 in the rotating process of the first structure 1 and the second structure 2, and the two ends of the convex rib 44 are provided with the guide portions 443 and the tapered portions 442, so that the problem is effectively solved, and the guide portions 443 are arranged to facilitate the sleeve 5 not to collide with the end faces of the convex rib 44 when penetrating through the bushings 4 and can penetrate rapidly.
Furthermore, the two side ports of the plastic bushing 4 are provided with grooves 444 along the tracks of the two side ends of the ribs 44, so that the surface abrasion caused by collision in the process that the sleeve 5 penetrates through the plastic bushing 4 is avoided.
Further, the two plastic bushings 4 are arranged on two sides of the through hole 3 in a press-fitting mode, and the length of the two plastic bushings 4 after being pressed on the first structure 1 is larger than that of the sleeve 5. When the tightening torque is large enough, the positive pressure of the sleeve 5 and the second structure 2 is far larger than the positive pressure of the plastic bushing 4 and the second structure 2, at this time, relative rotation movement occurs between the plastic bushing 4 and the second structure 2, the sleeve 5 is fixedly pressed in the two end faces of the second structure 2 to be integrated with the second structure 2 due to the large positive pressure, so that the length of the plastic bushing 4 on the first structure 1 is designed to be larger than that of the sleeve 5, because the bolt 6 generates certain extrusion on the plastic bushing 4 in the tightening process and then generates the tightening force on the sleeve 5, and the bolt 6 is prevented from directly generating the tightening force on the sleeve 5 to influence the relative rotation torque between the first structure 1 and the second structure 2.
Further, the outer side end face of the bolt 6 contacting with the sleeve 5 is a smooth face 61, the outer side end face of the bolt 6 penetrating through the second structure 2 is a threaded face 62, the smooth face 61 of the bolt 6 contacts with the sleeve 5, it is guaranteed that the smooth face 61 contacts smoothly with the inner side wall of the sleeve 5, and the threaded face 62 is matched with the nut 7, so that the requirement of overall design is met.
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 (6)
1. A hole clamping device for connecting a relative rotation structure, the relative rotation structure comprising a first structure (1) with a through hole (3) and a second structure (2) sleeved outside the first structure (1), characterized in that: comprises that
The plastic bushing structure comprises two plastic bushings (4), wherein the two plastic bushings (4) are respectively arranged on two sides of the through hole (3), each plastic bushing (4) is of a T-shaped structure consisting of a cylindrical part (41) and a baffle part (42), an opening (43) arranged along the length direction of each plastic bushing (4) is formed in each plastic bushing (4), a plurality of convex ribs (44) which are uniformly distributed are arranged on the inner side wall of each plastic bushing (4) along the circumferential direction of the inner side wall, and each convex rib (44) and the inner side wall of each plastic bushing (4) form a wavy structure;
the sleeve (5) penetrates through the two plastic bushings (4), and two ends of the sleeve (5) are in interference fit with the corresponding plastic bushings (4);
and one end of the bolt (6) penetrates through the second structure (2), is arranged outside the second structure (2) through the plastic bushing (4) and the sleeve (5), and is screwed and fixed through the nut (7).
2. A hole gripping device for connection to a relatively rotatable structure as defined in claim 1, wherein: the cylindrical part (41), the baffle part (42) and the convex rib (44) form an integrated glass fiber structure.
3. A hole gripping device for connection to a relatively rotatable structure according to claim 2, wherein: the end face of the convex rib (44) is an arc surface, the convex rib (44) comprises a convex rib body (441) extending along the length direction of the inner side wall of the plastic bushing (4), a conical part (442) arranged at the inner side end of the convex rib body (441) and a guide part (443) arranged at the outer side end of the convex rib body (441), and the conical part (442), the convex rib body (441) and the guide part (443) are of an integrally formed structure.
4. A hole gripping device for connection to a relatively rotatable structure according to claim 3, wherein: the two side ports of the plastic bushing (4) are provided with grooves (444) along the tracks of the two side ends of the convex rib (44).
5. A hole gripping device for connection to a relatively rotatable structure as defined in claim 1, wherein: the two side ports of the plastic bushing (4) are provided with grooves (444) along the tracks of the two side ends of the convex rib (44).
6. A hole gripping device for connection to a relatively rotatable structure as defined in claim 1, wherein: the outer side end face of the bolt (6) in contact with the sleeve (5) is a smooth face (61), and the outer side end face of the bolt (6) penetrating through the second structure (2) is a threaded face (62).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921793299.5U CN210734272U (en) | 2019-10-24 | 2019-10-24 | Hole clamping device connected with relative rotation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921793299.5U CN210734272U (en) | 2019-10-24 | 2019-10-24 | Hole clamping device connected with relative rotation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210734272U true CN210734272U (en) | 2020-06-12 |
Family
ID=70988091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921793299.5U Expired - Fee Related CN210734272U (en) | 2019-10-24 | 2019-10-24 | Hole clamping device connected with relative rotation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210734272U (en) |
-
2019
- 2019-10-24 CN CN201921793299.5U patent/CN210734272U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9707910B2 (en) | Steering apparatus | |
| CN210734272U (en) | Hole clamping device connected with relative rotation structure | |
| CN107867317B (en) | Steering column for vehicle | |
| CN104742956B (en) | Steering link structure of rear wheel steering device | |
| US20230143956A1 (en) | Steering device | |
| EP2048062B1 (en) | Improvements in or relating to vehicle steering mechanisms | |
| KR102350046B1 (en) | Steering column for vehicle | |
| CN217462947U (en) | Large-torque sensor verification tool | |
| EP3378732A1 (en) | Power steering device and steering device with same | |
| CN218953948U (en) | Screw rod bearing supporting member of electric steering gear | |
| KR101615263B1 (en) | Steering gear for car | |
| CN219487545U (en) | Angle limiting mechanism, steering system and vehicle | |
| KR20110075081A (en) | Intermediate shaft of steering apparatus for vehicle and steering apparatus for vehicle using the same | |
| CN208503312U (en) | A kind of anti-rotation structure for electronic parking clamp | |
| JP5141160B2 (en) | Joint structure of yoke and rotating shaft in steering device | |
| CN218468207U (en) | Installation fixing device for sublance rotary speed reducer | |
| CN221097379U (en) | Electronic power-assisted automobile steering gear convenient to process | |
| CN221704335U (en) | Screw nut pair with bidirectional anti-locking function | |
| CN218598669U (en) | Automobile connecting shaft protective cover | |
| CN217969646U (en) | Corner torque transmission shafting and electronic hydraulic power-assisted steering system | |
| JPH07117687A (en) | Impact absorbing type steering device | |
| CN220180907U (en) | Input shaft connecting structure of automobile steering gear | |
| JP2015054563A (en) | Member connecting structure of steering device | |
| CN216070180U (en) | Speed reducer of electric power steering gear assembly and electric power steering gear assembly | |
| CN217260266U (en) | Intelligent pure electric power steering gear and vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200612 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |