CN112065841A - Clearance compensation device and method and vehicle - Google Patents
Clearance compensation device and method and vehicle Download PDFInfo
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- CN112065841A CN112065841A CN201910502652.8A CN201910502652A CN112065841A CN 112065841 A CN112065841 A CN 112065841A CN 201910502652 A CN201910502652 A CN 201910502652A CN 112065841 A CN112065841 A CN 112065841A
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- hole
- clearance compensation
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- compensation device
- wedge
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B43/00—Washers or equivalent devices; Other devices for supporting bolt-heads or nuts
- F16B43/009—Washers or equivalent devices; Other devices for supporting bolt-heads or nuts with a wedging effect in order to adjust the height of the washer
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Abstract
The invention relates to the field of vehicles, and provides a clearance compensation device, a clearance compensation method and a vehicle, wherein the clearance compensation device is used for providing clearance compensation when a fastener connects two components and comprises a support piece and an adjusting unit; the supporting piece is provided with a first through hole formed along a first direction; the adjusting unit is arranged in the first through hole and comprises a first end face and a second through hole arranged along the first direction; the adjustment unit is configured to be movable in the first direction to cause the first end surface to protrude out of the first through hole. The clearance compensation device has good universality, firm connection and good clearance compensation effect.
Description
Technical Field
The invention relates to the technical field of vehicles, in particular to a clearance compensation device and method and a vehicle.
Background
During the installation of parts, a safe distance is often designed for stable assembly. However, since structures like instrument desk beams in automobiles are installed inside the automobile body, when the automobile body and the instrument desk beam parts are connected by bolts, the whole width of the instrument desk is smaller than the width of the automobile body due to the fact that an operation space is needed in the assembling process, or a gap is reserved between the matching surfaces of the instrument desk and the instrument desk beam parts to ensure that the assembling process cannot generate collision, so that a gap exists between the two structures connected by the bolts, if the bolts are directly tightened, elastic deformation of products can be caused to generate tightening internal stress, the internal stress is released through vibration of long-time movement of the automobile, the moment of the bolts is smaller than a design value, and the bolts can also be loosened. The relative motion between parts can be caused to the inefficacy of bolt moment, has the abnormal sound of driving, influences the driving comfort, and there is the potential safety hazard in the bolt drops simultaneously.
At present, in order to solve the problem, a gasket is usually added or a gap compensation structure is adopted, but the two problems of poor universality, poor compensation effect and poor connection firmness exist.
Disclosure of Invention
In view of the above, the present invention is directed to a gap compensation device, which has good versatility, firm connection and good gap compensation effect.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a clearance compensation device for providing clearance compensation when a fastener connects two components, the clearance compensation device comprising a support and an adjustment unit; the supporting piece is provided with a first through hole formed along a first direction; the adjusting unit is arranged in the first through hole and comprises a first end face and a second through hole arranged along the first direction; the adjustment unit is configured to be movable in the first direction to cause the first end surface to protrude out of the first through hole.
Optionally, the adjusting unit includes a first outer circumferential surface, and the adjusting unit is configured to enable the first outer circumferential surface to abut against an inner wall of the first through hole.
Optionally, the adjusting unit includes a first adjusting piece and a second adjusting piece; the first adjusting piece comprises a first wedge-shaped surface, a first side surface, a third through hole and a first end surface; the first wedge-shaped surface and the first end surface are respectively arranged at two ends of the first adjusting piece, and the third through hole is arranged along the first direction; the second adjusting piece comprises a second wedge-shaped surface, a second side surface and the second through hole; the second wedge-shaped surface is arranged at one end of the second adjusting piece and is matched with the first wedge-shaped surface; the first side surface and the second side surface together form the first outer peripheral surface; the second adjustment member is configured to be movable in the first direction, and the first adjustment member is configured to be movable in the first direction and movable in a second direction perpendicular to the first direction by engagement of the first and second wedge faces.
Optionally, the second through hole is provided with an internal thread.
Optionally, the clearance compensation device includes a limiting structure capable of limiting rotation of the second adjustment member relative to the support member.
Optionally, the inner wall of the first through hole of the supporting member includes two first planar inner walls arranged in parallel, and the first side surface of the first adjusting member includes two first planar side walls respectively matched with the two first planar inner walls.
Optionally, the second side of the second adjusting member includes two second planar sidewalls respectively matching with the two first planar sidewalls.
Optionally, one end of the third through hole close to the first wedge-shaped surface is provided with a first guide structure for guiding a fastener; and/or one end of the second through hole, which is close to the second wedge-shaped surface, is provided with a second guide structure for guiding a fastener.
Compared with the prior art, the clearance compensation device has the following advantages:
the support and the fastener are matched to form connection between the two parts, and after the connection is formed, the adjusting unit is driven to move along the first direction so that the first end face extends out of the first through hole and finally abuts against the parts, so that the axial gap between the support and the two parts is eliminated. The clearance compensation device can be suitable for fasteners in various forms, so that the universality is good, and the advantages of good clearance compensation effect and good connection firmness are also achieved.
The invention also provides a vehicle, which is provided with a first part, a second part, a fastener and the clearance compensation device; one end of the supporting piece is fixedly connected to the first component, and one end of the fastening piece sequentially penetrates through the second component, the second through hole of the adjusting unit and the first component along the first direction; the adjusting unit is configured to enable the first end face to extend out of the first through hole and abut against the second component when moving along the first direction.
The present invention also provides a clearance compensation method for providing clearance compensation when a fastener joins a first component and a second component, the method comprising: mounting a support on the first component; sequentially passing the fastener through the second member, first and second adjustment members in the support, and the first member; the second adjusting piece pushes the first adjusting piece along the axial direction of the support so that the first adjusting piece abuts against the second component to realize axial clearance compensation; and enabling the second adjusting piece to continuously move axially to drive the first adjusting piece to move along the radial direction of the support piece so as to realize radial clearance compensation.
The advantages of the clearance compensation method, the vehicle and the clearance compensation device are the same compared with the prior art, and are not repeated herein.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a cross-sectional schematic view of a clearance compensation device of the present invention prior to assembly;
FIG. 2 is a cross-sectional view of the clearance compensating device of the present invention after assembly;
FIG. 3 is a front view of a support of the clearance compensating device of the present invention;
FIG. 4 is a cross-sectional view taken along A-A of FIG. 3;
FIG. 5 is a front view of a first adjustment member of the lash compensation device of the present invention;
FIG. 6 is a cross-sectional view taken along line B-B of FIG. 5;
FIG. 7 is a front view of a second adjustment member of the lash compensation device of the present invention;
fig. 8 is a sectional view taken along the direction C-C in fig. 7.
Description of reference numerals:
10-support, 11-first through hole, 111-first planar inner wall, 20-first adjustment, 21-first end face, 22-first wedge face, 23-third through hole, 231-first guide structure, 24-first planar side wall, 30-second adjustment, 31-second through hole, 311-second guide structure, 32-second wedge face, 33-second planar side wall, 40-fastener, 50-first component, 60-second component
Detailed Description
In addition, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.
In addition, the terms of directions such as "vertical" and "horizontal" and "vertical" in the embodiments of the present invention refer to directions shown in fig. 1 to 8, and are not limited to directions in actual use.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1 to 8, the clearance compensation device of the present invention is used for providing clearance compensation when a fastener connects two components, and comprises a support 10 and an adjustment unit; the support 10 has a first through hole 11 opened along a first direction; the adjusting unit is arranged in the first through hole 11 and comprises a first end surface 21 and a second through hole 31 arranged along the first direction; the adjustment unit is configured to be movable in a first direction to extend the first end face 21 out of the first through hole 11.
The support member 10 and the fastening member are engaged with each other to form a connection between the first member and the second member, for example, the support member 10 is fixedly connected to the first member, and the fastening member is sequentially inserted through the second member, the second through hole 31 of the adjustment unit in the support member 10, and the first member. After the connection is made, the adjustment unit is driven to move in the first direction to make the first end face 21 protrude out of the first through hole 11 and finally abut on the second component, so that the axial gap between the support 10 and the second component is eliminated. The clearance compensation device can be suitable for fasteners in various forms, so that the universality is good, and the advantages of good clearance compensation effect and good connection firmness are also achieved.
In order to eliminate the radial gap existing between the adjusting unit and the first through hole 11, thereby further improving the connection firmness, optionally, the adjusting unit includes a first outer circumferential surface, and the adjusting unit is configured to enable the first outer circumferential surface to abut against the inner wall of the first through hole 11. That is, the first outer circumferential surface of the adjusting unit is pressed against the inner wall of the first through hole 11 as much as possible, so that the radial gap is eliminated, and the relative stability between the adjusting unit and the supporting member 10 is improved by the friction force between the first outer circumferential surface of the adjusting unit and the inner wall of the first through hole 11, thereby improving the connection firmness of the gap compensating device.
The adjusting unit may take various forms as long as it can eliminate the axial and radial gaps, for example, when a tapered fastener with a diameter gradually increasing from the first member 50 to the second member 60 is used, the adjusting unit may include a plurality of claws capable of opening around the second through hole 31, when the tapered fastener passes through the second through hole 31 of the adjusting unit and drives the adjusting unit to move towards the second member 60, the plurality of claws open around the second through hole 31 under the action of the fastener with the gradually increasing diameter, and when the plurality of claws extend out of the first through hole 11 and abut against the second member 60, the plurality of claws just can press the inner wall of the first through hole 11, thereby simultaneously completing the elimination of the axial and radial gaps.
The present invention further provides another embodiment of the adjusting unit, as shown in fig. 5 to 8, the adjusting unit includes a first adjusting member 20 and a second adjusting member 30; the first adjusting member 20 includes a first wedge-shaped surface 22, a first side surface, a third through hole 23, and a first end surface 21; the first wedge-shaped surface 22 and the first end surface 21 are respectively arranged at two ends of the first adjusting piece 20, and the third through hole 23 is arranged along the first direction; the second adjustment member 30 includes a second wedge surface 32, a second side surface, and a second through-hole 31; the second wedge surface 32 is disposed at one end of the second adjustment member 30 and mates with the first wedge surface 22; the first side surface and the second side surface jointly form a first peripheral surface; the second adjustment member 30 is configured to be movable in a first direction, and the first adjustment member 20 is configured to be movable in the first direction and movable in a second direction perpendicular to the first direction by engagement of the first and second wedge faces 22, 32.
By driving the second adjusting member 30 to move, the second adjusting member 30 pushes the first adjusting member 20 to move, the first end face 21 of the first adjusting member 20 is pushed until abutting against the second member 60, and then the second adjusting member 30 is driven to move continuously in the axial direction, due to the cooperation of the first wedge face 22 and the second wedge face 32, the first adjusting member 20 can move in the radial direction, so that the first side face of the first adjusting member 20 presses against the inner wall of the first through hole 11. The adjusting unit adopting the form has the advantages of being capable of adapting to fasteners with various shapes and good in universality.
In order to make the first outer circumferential surface of the adjusting unit abut against the inner wall of the first through hole 11 as much as possible, the side wall of the support 10 should be provided relatively thin so that when the adjusting unit moves radially, the first outer circumferential surface of the adjusting unit can press both sides of the first through hole 11 to deform the side wall of the support 10, thereby making the first outer circumferential surface abut against the inner wall of the first through hole 11 better.
It should be appreciated that the second adjusting member 30 can be driven to move in a variety of ways, for example, a ring member sleeved on the fastening member can be used to push the right end face of the second adjusting member 30, and after the first adjusting member 20 is pushed to make the first end face 21 abut against the second component 60, the ring member is welded with the fastening member to prevent the first adjusting member 20 and the second adjusting member 30 from moving in the opposite direction, and ensure that the first end face 21 always abuts against the second component 60. In some embodiments of the present invention, the second through hole 31 is optionally provided with an internal thread for more convenient operation. Thus, the second adjustment member 30 is engaged with a fastener having external threads, i.e., linear movement is achieved by threaded engagement, and the first and second adjustment members 20, 30 are restrained from reverse movement by the threads.
To ensure that the second adjustment member 30 does not rotate with the fastener during rotation of the threaded fastener, the backlash compensation mechanism optionally includes a limiting structure that limits rotation of the second adjustment member 30 relative to the support member 10, i.e., ensures that the second adjustment member 30 does not rotate relative to the support member 10 during rotation of the fastener relative to the support member 10, thereby ensuring that the second adjustment member 30 does not rotate with the fastener.
The restriction structure may take various forms as long as it can ensure that the second adjustment member 30 does not rotate relative to the support member 10, for example, the restriction structure may include a protrusion axially disposed on an inner wall of the first through-hole 11, and the second adjustment member 30 may be provided with a concave groove that mates with the protrusion. To further simplify the structure, optionally, the inner wall of the first through hole 11 of the supporting member 10 includes two first planar inner walls 111 disposed in parallel with each other, and the second side of the second adjusting member 30 includes two second planar side walls 33 respectively matching with the two first planar inner walls 111. That is, the two second planar sidewalls 33 of the second adjusting member 30 and the two first planar inner walls 111 of the first through hole 11 are parallel to each other, and when the second adjusting member 30 is subjected to a rotational force, the second planar sidewalls 33 abut against the first planar inner walls 111 to prevent the second adjusting member 30 from rotating.
Also, to prevent the first adjustment member 20 from rotating relative to the support member 10, the first side of the first adjustment member 20 may include two first planar side walls 24 that mate with the two first planar inner walls 111, respectively.
In order to facilitate the fastener to enter the third through hole 23 and the second through hole 31, optionally, one end of the third through hole 23 close to the first wedge-shaped surface 22 is provided with a first guiding structure 231 for guiding the fastener 40; the end of the second through hole 31 near the second wedge surface 32 is provided with a second guiding structure 311 for guiding the fastener 40. The first and second guide structures 231 and 311 may be provided as slopes to guide the fastener 40 into the third through-hole 23 and the second through-hole 31.
It should be understood that, in order to ensure that the first adjustment member 20 can move in the radial direction, the inner diameter of the third through hole 23 should be larger than the outer diameter of the fastener. In some embodiments of the present invention, the first adjusting member 20 is not required to move in a horizontal radial direction, and thus, the third through hole 23 is optionally provided as an elongated hole extending in the second direction. This allows the first adjusting member 20 to move in a vertical radial direction while preventing the first adjusting member 20 from moving in a horizontal radial direction.
The gap compensation device of the present invention can be applied to various occasions, and can be used as long as there is a gap in the connection between the first member and the second member.
The invention provides a specific application occasion for a clearance compensation device, namely a vehicle, which is provided with a first part 50, a second part 60, a fastener 40 and the clearance compensation device; one end of the supporting member 10 is fixedly connected to the first member 50, and one end of the fastening member 40 sequentially passes through the second member 60, the second through hole 31 of the adjusting unit and the first member 50 along the first direction; the adjustment unit is configured to enable the first end surface 21 to protrude out of the first through hole 11 and abut against the second member 60 when moving in the first direction.
Firstly, the support 10 is fixed on the first component 50, then the second adjusting component 30 is driven to move, the second adjusting component 30 pushes the first adjusting component 20 to move, the first end face 21 of the first adjusting component 20 is pushed to abut against the second component 60, then the second adjusting component 30 is driven to move continuously along the axial direction, and due to the matching of the first wedge-shaped face 22 and the second wedge-shaped face 32, the first adjusting component 20 can move along the radial direction, so that the first side face of the first adjusting component 20 presses the inner wall of the first through hole 11, and the clearance elimination along the axial direction and the radial direction is completed.
The present invention also provides a clearance compensation method for providing clearance compensation when a fastener joins a first component and a second component, the method comprising:
mounting a support on the first component;
sequentially passing fasteners through the second component, the first and second adjustment members in the support, and the first component;
the second adjusting piece pushes the first adjusting piece along the axial direction of the supporting piece so that the first adjusting piece abuts against the second component to realize axial clearance compensation;
and the second adjusting piece is continuously moved axially to drive the first adjusting piece to move along the radial direction of the support piece so as to realize radial clearance compensation.
The gap compensation method of the present invention has the same advantages as the gap compensation device described above with respect to the prior art, and is not described herein again.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A clearance compensation device for providing clearance compensation when a fastener joins two parts, characterized in that the clearance compensation device comprises a support (10) and an adjustment unit;
the support piece (10) is provided with a first through hole (11) which is opened along a first direction;
the adjusting unit is arranged in the first through hole (11) and comprises a first end surface (21) and a second through hole (31) arranged along the first direction; the adjustment unit is configured to be movable in the first direction to cause the first end surface (21) to protrude out of the first through hole (11).
2. The clearance compensation device according to claim 1, wherein the adjustment unit includes a first outer peripheral surface, and the adjustment unit is configured to be capable of abutting the first outer peripheral surface against an inner wall of the first through hole (11).
3. Gap compensation device according to claim 2, wherein the adjustment unit comprises a first adjustment member (20) and a second adjustment member (30);
the first adjusting piece (20) comprises a first wedge-shaped surface (22), a first side surface, a third through hole (23) and the first end surface (21); the first wedge-shaped surface (22) and the first end surface (21) are respectively arranged at two ends of the first adjusting piece (20), and the third through hole (23) is arranged along the first direction;
the second adjusting piece (30) comprises a second wedge surface (32), a second side surface and the second through hole (31); the second wedge surface (32) is arranged at one end of the second adjusting piece (30) and is matched with the first wedge surface (22);
the first side surface and the second side surface together form the first outer peripheral surface;
the second adjustment member (30) is configured to be movable in the first direction, and the first adjustment member (20) is configured to be movable in the first direction and movable in a second direction perpendicular to the first direction by cooperation of the first and second wedge faces (22, 32).
4. A gap compensating device as claimed in claim 3, characterized in that the second through hole (31) is provided with an internal thread.
5. A play compensation device as claimed in claim 4, characterized in that the play compensation device comprises a limiting structure which can limit the rotation of the second adjustment member (30) relative to the support (10).
6. Gap compensation device according to claim 5, characterized in that the inner wall of the first through hole (11) of the support (10) comprises two first planar inner walls (111) arranged in parallel with respect to each other, and the first side of the first adjustment member (20) comprises two first planar side walls (24) matching the two first planar inner walls (111) respectively.
7. The backlash compensation device according to claim 6, wherein the second side of the second adjusting member (30) comprises two second planar side walls (33) respectively matching with the two first planar inner walls (111).
8. A gap compensating device as claimed in any one of claims 3 to 7, characterized in that the end of the third through hole (23) near the first wedge-shaped face (22) is provided with a first guide (231) for guiding a fastening element (40); and/or one end of the second through hole (31) close to the second wedge-shaped surface (32) is provided with a second guide structure (311) for guiding a fastener (40).
9. A vehicle, characterized in that a first part (50), a second part (60), a fastening (40) and a clearance compensation device according to any one of claims 1-8 are provided; wherein one end of the supporting piece (10) is fixedly connected to the first component (50), and one end of the fastening piece (40) sequentially passes through the second component (60), the second through hole (31) of the adjusting unit and the first component (50) along the first direction; the adjustment unit is configured to enable the first end face (21) to protrude out of the first through hole (11) and abut against the second member (60) when moving in the first direction.
10. A clearance compensation method for providing clearance compensation when a fastener joins a first component and a second component, the method comprising:
mounting a support on the first component;
sequentially passing the fastener through the second member, first and second adjustment members in the support, and the first member;
the second adjusting piece pushes the first adjusting piece along the axial direction of the support so that the first adjusting piece abuts against the second component to realize axial clearance compensation;
and enabling the second adjusting piece to continuously move axially to drive the first adjusting piece to move along the radial direction of the support piece so as to realize radial clearance compensation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910502652.8A CN112065841A (en) | 2019-06-11 | 2019-06-11 | Clearance compensation device and method and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910502652.8A CN112065841A (en) | 2019-06-11 | 2019-06-11 | Clearance compensation device and method and vehicle |
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| Publication Number | Publication Date |
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| CN112065841A true CN112065841A (en) | 2020-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910502652.8A Pending CN112065841A (en) | 2019-06-11 | 2019-06-11 | Clearance compensation device and method and vehicle |
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| CN108381538A (en) * | 2018-03-22 | 2018-08-10 | 厦门精合电气自动化有限公司 | A kind of transmission device for driving manipulator action |
| CN207737076U (en) * | 2017-12-15 | 2018-08-17 | 深圳市博铭维智能科技有限公司 | A kind of connection structure of robot wheel shaft |
| CN207875654U (en) * | 2018-02-05 | 2018-09-18 | 中车株洲电力机车有限公司 | A kind of column assist grip mounting structure |
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|---|---|---|---|---|
| DE4132260A1 (en) * | 1991-09-27 | 1993-04-01 | Gerald Fuhrberg | Clamp for fixing plates of different thickness in slit profiles - has wedge movable on oblique base by connecting screw and nut for two-side application |
| ES2233553T3 (en) * | 2000-12-14 | 2005-06-16 | Jorg Schwarzbich | DEVICE FOR CONNECTING STRUCTURAL ELEMENTS. |
| FR2859451A1 (en) * | 2003-09-09 | 2005-03-11 | Peugeot Citroen Automobiles Sa | Strut for motor vehicle, has two sections including two projections and indexation, and complementary maintenance system for interlocking sections along multitude of relative positions for defining multiple strut lengths |
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| DE102011056465A1 (en) * | 2011-12-15 | 2013-06-20 | Witte Automotive Gmbh | Device for connecting housing of headlight and body of motor car, has spacer element coupled to support part such that axial force in predesignated strength is applied over entire displacement path of spacer element into stop position |
| US20150330435A1 (en) * | 2012-07-03 | 2015-11-19 | Jörg Schwarzbich | Tolerance-Equalizing Element |
| CN204591887U (en) * | 2015-04-21 | 2015-08-26 | 成都萨伯电子应用科技有限公司 | A kind of at right angle setting locking strip |
| CN207737076U (en) * | 2017-12-15 | 2018-08-17 | 深圳市博铭维智能科技有限公司 | A kind of connection structure of robot wheel shaft |
| CN207875654U (en) * | 2018-02-05 | 2018-09-18 | 中车株洲电力机车有限公司 | A kind of column assist grip mounting structure |
| CN108381538A (en) * | 2018-03-22 | 2018-08-10 | 厦门精合电气自动化有限公司 | A kind of transmission device for driving manipulator action |
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Application publication date: 20201211 |
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| RJ01 | Rejection of invention patent application after publication |