CN204082799U - Workpiece connecting device and mounting assembly - Google Patents
Workpiece connecting device and mounting assembly Download PDFInfo
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- CN204082799U CN204082799U CN201420381286.8U CN201420381286U CN204082799U CN 204082799 U CN204082799 U CN 204082799U CN 201420381286 U CN201420381286 U CN 201420381286U CN 204082799 U CN204082799 U CN 204082799U
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- connection set
- positioning element
- sleeve
- lug boss
- outer rim
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Abstract
The utility model relates to a kind of connection set for being assembled together by least two workpiece, and described workpiece is linked together by the region of the through-hole form substantially of described at least two workpiece by this connection set; Wherein, described connection set comprises the positioning element of link and hollow, this positioning element has the outer rim lug boss with the cross section respective shapes of the assembly area of the through-hole form of at least one workpiece of described at least two workpiece, and the support to be connected with described outer rim lug boss, this support radial direction is surrounded and fixes described link by interference fit, and this outer rim lug boss is contained in by clamping in the groove in assembly area.The utility model also relates to the mounting assembly comprising this connection set.Be easy to dismounting according to connection set of the present utility model and can reuse.
Description
Technical field
The utility model relates to mechanical connection field, especially relates to a kind of connection set be assembled together by least two workpiece, and comprises the mounting assembly of this connection set.
Background technique
At present, carry out at a large amount of bolt that uses the occasion be linked and packed, during the assembling particularly carried out on production line, usually link (such as, bolt) can be preset on rigging position to save installation time.But preset link may come off in transport and assembly process, thus incur loss through delay assembly process.Particularly for by link built on stilts occasion of installing from bottom to up, be difficult to guarantee to allow link remain on pre-installed position.In addition, easily in transportation process, damage can be caused because of collision because of being exposed to outer by the screw section of the link of pre-installation, thus the efficiency of impact assembling and cost.In addition, when more than one of the mounting hole on connected piece, can produce error because of the reason of machining accuracy, namely bolt can produce radial displacement in installation process, and connection set should meet corresponding build-up tolerance requirement in this case.Further, when needs to be connected device carry out repetition disassemble or assemble time, connection set should meet and is easy to disassemble or assemble and reusable requirement.
Patent documentation CN200810029192.3 discloses a kind of with the screw counter bore structure on the working of plastics of finite place piece.By anticreep ground preposition in this working of plastics, thus can be facilitated screw and described working of plastics are installed on furniture in combination from bottom to up by this counter bore structure screw.A kind of bolt prepackage combined mechanism fitted together by the lock in plastic body and sound construction by bolt is disclosed in patent documentation CN201220300383.0.But, because described working of plastics and the pre-assembling composite structure of described screw are not fixed on rigging position under pre-mounted state, and in installation process, do not relate to the requirement to tolerance, so the requirement of link preposition can not be met.
A kind of reusable elastic piece structure installed for vehicle dormer window is described in patent documentation CN201210310779.8.Described elastic piece structure is made up of the first shell fragment and the second shell fragment.First shell fragment is formed by sheet annulus with along multiple cards that annulus endoporus extends internally.Second shell fragment comprises tubular top and the multiple drag hooks from the downward projection in tubular top.Wherein, described tubular top can be provided with annular slot, in order to block card thus make described first shell fragment not loosen in unloading process.The problem that this technology will solve is demounting bolt easily not destroying the first shell fragment while, instead of guarantees to allow bolt remain on pre-installed position, in addition, can not play the effect of protection screw thread and tolerance balancing.
Disclose a kind of with centering fastener in patent documentation DE102009039508
the mounting structure of automobile middle shell.To be able to be bolted in described mounting structure under preassembled condition by described centering fastener.But cannot solve and ensure that the screw thread of bolt is not damaged and cannot meets the requirement of maximum allowance compensation under pre-mounted state in transportation process.
Model utility content
The utility model, in order to overcome the defect existed in described prior art, provides a kind of convenience to install, meets the connection set of following condition:
Under pre-mounted state, link can land and be fixed on pre-installation workpiece by anticreep;
In transportation process, the link of scheduled position can not be damaged;
Linkage structure can meet the compensation to design tolerance in installation process;
The positioning element of connection set need not take out in assembly process;
Connection set is easy to dismounting and can reuses;
And a kind of mounting assembly linked together by described connection set.
The utility model relates to following technological scheme: a kind of connection set for being assembled together by least two workpiece, and described workpiece is linked together by the region of the through-hole form substantially of described at least two workpiece by this connection set; Wherein, described connection set comprises the positioning element of link and hollow, this positioning element has the outer rim lug boss with the cross section respective shapes of the assembly area of the through-hole form of at least one workpiece of described at least two workpiece, and the support to be connected with described outer rim lug boss, this support radial direction is surrounded and fixes described link by interference fit, and this outer rim lug boss is contained in by clamping in the groove in assembly area.Be arranged according to connection set of the present utility model is scheduled the assembly area that is connected the through-hole form on workpiece, comprise the positioning element of link and hollow.Link can be such as bolt, and described bolt comprises screw section and shank, and wherein, the radius of described screw section is greater than the radius of described shank; The outer rim lug boss that described positioning element has annular and the support be connected with described outer rim lug boss, wherein, under preassembly and assembling condition, described outer rim lug boss is contained in the groove being arranged in described assembly area, and, under pre-assembled state, the support of described positioning element forms radial encirclement to described external thread connector, and forms interference fit with its screw section, thus described bolt anticreep can be made to land scheduled position in assembly area.
Can be made of plastics according to positioning element of the present utility model, and, multiple tooth-shape structures that its support may be embodied as half approximate hyperboloid of one sheet shape or extends internally along the opening of the outer rim lug boss of described positioning element.
One can also be comprised for holding the sleeve of described link and positioning element according to connection set of the present utility model.Sleeve is preferably made of metal, and is installed in described assembly area.Wherein, the inwall of sleeve has groove in order to hold the outer rim lug boss of described positioning element.Further, the height of sleeve is greater than the height of the screw section of described bolt.The screw section of the bolt of preposition all can be placed in sleeve by the cooperation of sleeve and positioning element, thus protect described screw section can not be damaged because of collision in transportation process.
The screw section of described link and the semidiameter of shank is less than according to the wall thickness of the connection set of the present utility model support of described positioning element in the assembled condition.And, can be able to be designed to like this according to connection set of the present utility model, namely, after assembling completes, the support of described positioning element does not contact with the screw section of described bolt, so just can ensure that positioning element can not produce radial obstruction to link, thus meet the compensation to the trim designs tolerance of link.
In addition, the utility model also relates to the mounting assembly linked together by above-mentioned connection set, comprise at least two workpiece and the connection set for being assembled together by described at least two workpiece, wherein, described connection set comprises the positioning element of link and hollow, wherein, described at least two workpiece are linked together by the assembly area of through-hole form on workpiece by described connection set; And, described positioning element has the outer rim lug boss with described assembly area cross section respective shapes, and the support to be connected with described outer rim lug boss, wherein, the support radial direction of described positioning element is surrounded and fixes described link by interference fit, and wherein, described outer rim lug boss is contained in by clamping in the groove in assembly area.
Accompanying drawing explanation
Fig. 1 is the structure of the connection set according to first embodiment of the present utility model;
Fig. 2 is the structure according to sleeve of the present utility model;
Fig. 3 is the structure according to positioning element of the present utility model;
Fig. 4 is the pre-installation structure of the mounting assembly according to first embodiment of the present utility model;
Fig. 5 is the assembly structure of connection set when there is design maximum tolerance according to first embodiment of the present utility model;
Fig. 6 is the structure of the connection set according to second embodiment of the present utility model;
Fig. 7 is the assembly structure of connection set when there is design maximum tolerance according to second embodiment of the present utility model; And
Fig. 8 is the pre-installation structure of the mounting assembly according to the 3rd embodiment of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.Wherein, Fig. 1 shows the structure of the connection set according to first embodiment of the present utility model.Fig. 2 shows the structure of the sleeve according to first and second embodiment of the present utility model.Fig. 3 shows two different mode of executions according to positioning element of the present utility model.Fig. 4 shows the pre-assembled structures of the mounting assembly according to first embodiment of the present utility model.Fig. 5 shows the assembly structure of connection set when there is design maximum tolerance according to first embodiment of the present utility model.Fig. 6 shows the structure of the connection set according to second embodiment of the present utility model.Fig. 7 shows the assembly structure of connection set when there is design maximum tolerance according to second embodiment of the present utility model.Fig. 8 shows the pre-installation structure of the mounting assembly according to the 3rd embodiment of the present utility model.
Embodiment 1
Fig. 1 shows connection set in the present embodiment.Wherein, described connection set comprises link 1, positioning element 2 and sleeve 8.This connection set 100 passes through the region of the through-hole form substantially of at least two workpiece 200,300 by described workpiece 200, and 300 link together; Wherein, described connection set comprises the positioning element 2 of link 1 and hollow, this positioning element 2 has and described at least two workpiece 200, the outer rim lug boss 3 of the cross section respective shapes of the assembly area 30 of the through-hole form of at least one workpiece of 300, and the support 4 to be connected with described outer rim lug boss 3, this support 4 radial direction is surrounded and fixes described link 1 by interference fit, and this outer rim lug boss 3 is contained in by clamping in the groove 5 in assembly area 30.Fig. 2 and Fig. 3-1 respectively illustrates the structure of described sleeve 8 and positioning element 2.Wherein, described sleeve 8 wall has groove 5 within it, and has an opening 40,50 respectively two ends.In the outside of described opening 40, there is outer rim lug boss 10, and, near described outer rim lug boss 10, there is outside thread 11.Described positioning element 2 is made up of the outer rim lug boss 3 of annular and coupled support 4.Wherein, the gabarit of described outer rim lug boss 3 is corresponding to the cross section of described sleeve 8, in order to be connected in described groove 5.Described support 4 is half approximate hyperboloid of one sheet shape or conical butt.
Fig. 4 shows the mounting assembly according to first embodiment, comprising: link 1, sleeve 8, the positioning element 2 with outer rim lug boss 3 and support 4 and connected piece 200,300.Wherein, described link 1 is preferably bolt, and the shank 70 had without screw thread and screwed screw section 80, and the radius of described screw section 80 is greater than the radius of described shank 70.
Under preassembly and assembling condition, the outer rim lug boss 3 of described positioning element 2 is contained in a groove 5 be arranged on sleeve 8 inwall of a connected piece 200, thus described positioning element 2 is fixed in sleeve 8.
The radius of the opening portion 6 of the outer rim lug boss of described positioning element 2 is greater than the radius of the screw section 80 of described external thread connector 1.Under pre-mounted state, described support 4 forms radial encirclement away from the screw section 80 of opening to described link 1 of described outer rim lug boss 3, and by with its formation interference fit and described link 1 anticreep is fixed in sleeve 8.
Described sleeve 8 is preferably made of metal, and is fixed in connected piece 200 by external thread part 11.Described outer rim lug boss 10 coordinates with described link 1 and is fixed together by connected piece 200,300.
The height of described sleeve 8 is greater than the height of the screw section 80 of described link 1 and is less than the shank 70 of described link 1 and the height sum of screw section 80.Further, the internal diameter of sleeve 8 is greater than the diameter of the screw section 80 of described link 1 and is less than the circumscribed circle diameter of the outer rim lug boss 3 of described positioning element 2.The screw section 80 of the link 1 of scheduled position all can be placed in sleeve 5 by the cooperation of sleeve 8 and positioning element 2, thus protect described screw section 80 can not be damaged because of collision in transportation process.
As shown in Figure 5, according to the connection set of first embodiment of the present utility model when there is design maximum tolerance, namely, when the screw section 80 of described link 1 abuts against on the inwall 9 of sleeve 8, the support 4 of described positioning element 2 is close on the shank 70 of described link 1, further, do not contact with the screw section 80 of described link 1.Wall thickness due to the support 4 of described positioning element 2 is not more than the semidiameter of described screw section 80 and shank 70, so described support 4 can not produce radial active force to described link 1, therefore can realize tolerance compensating.
In unloading process, because described positioning element 2 has good elasticity and plasticity, so can by applying certain external force and described link 1 and/or positioning element 2 easily being taken out, and, also need not change positioning element 2 reinstalling in process.
Embodiment 2
As shown in Fig. 6 and Fig. 3-2, the difference of the present embodiment and embodiment 1 is that the support 4 of described positioning element 2 is embodied as at this multiple tooth-shape structures 7 that opening 6 along the outer rim lug boss 3 of described positioning element 2 extends internally.Wherein, the outer rim lug boss 3 of the positioning element 2 of described sheet is housed inside in the groove 5 on sleeve lining 9.Thus described positioning element 2 is fixed in sleeve 8.Further, under pre-mounted state, the screw section 80 of described tooth-shape structure 7 to described link 1 forms radial encirclement, and by with its formation interference fit and described link 1 anticreep is fixed in sleeve 8.
The height of described sleeve 8 is greater than the height of the screw section 80 of described link 1 and is less than the shank 70 of described link 1 and the height sum of screw section 80.Further, the internal diameter of sleeve 8 is greater than the diameter of the screw section 80 of described link 1 and is less than the circumscribed circle diameter of the outer rim lug boss 3 of described positioning element 2.The screw section 80 of the link 1 of scheduled position all can be placed in sleeve 5 by the cooperation of sleeve 8 and positioning element 2, thus protect described screw section 80 can not be damaged because of collision in transportation process.
As shown in Figure 7, according to the connection set of second embodiment of the present utility model when there is design maximum tolerance, namely, when the screw section 80 of described link 1 abuts against on the inwall 9 of sleeve 8, a part for the tooth-shape structure 7 of described positioning element 2 is close on the shank 70 of described link 1, further, do not contact with the screw section 80 of described link 1.Wall thickness due to the support 4 of described positioning element 2 is not more than the semidiameter of described screw section 80 and shank 70, so described support 4 can not produce radial active force to described link 1, therefore can realize tolerance compensating.
In unloading process, because described positioning element 2 has good elasticity and plasticity, so can by applying certain external force and described link 1 and/or positioning element 2 easily being taken out, and, also need not change positioning element 2 reinstalling in process.
Embodiment 3
As shown in Figure 8, compared with the first two embodiment, the difference originally implementing mounting assembly 400 in example is not have sleeve 8.The inwall forming the assembly area 30 of through-hole form in connected piece 200 has groove 5.The outer rim lug boss 3 of described positioning element 2 is housed inside in described groove 5.Thus positioning element 2 is fixed in the assembly area 30 of above-mentioned connected piece 200.Further, the height of described assembly area 30 is greater than the height of the screw section 80 of described link 1 and is less than the shank 70 of described link 1 and the height sum of screw section 80.Under pre-mounted state, the screw section 80 of support 4 to described link 1 of described positioning element 2 forms radial encirclement, and by with its formation interference fit and described link 1 anticreep is fixed in assembly area 30.
When there is design maximum tolerance, that is, when the screw section 80 of described link 1 abuts against on the inwall of assembly area 30, a part for the support 4 of described positioning element 2 is close on the shank 70 of described link 1, further, do not contact with the screw section 80 of described link 1.Wall thickness due to the support 4 of described positioning element 2 is not more than the semidiameter of described screw section 80 and shank 70, so described support 4 can not produce radial active force to described link 1, therefore can realize tolerance compensating.
In unloading process, because described positioning element 2 has good elasticity and plasticity, so can by applying certain external force and described link 1 and/or positioning element 2 easily being taken out, and, also need not change positioning element 2 reinstalling in process.
The above; be only embodiment of the present utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in technical scope disclosed in the utility model; the change that can expect easily or replacement, all should be encompassed within protection domain of the present utility model.
Accompanying drawing mark illustrates:
1, link
2, positioning element
3, the outer rim lug boss of positioning element
4, the support of positioning element
5, groove
6, the opening of the outer rim lug boss of positioning element
7, tooth-shape structure
8, sleeve
9, the inwall of sleeve
10, the outer rim lug boss of sleeve
11, the worm structure of sleeve
30, assembly area
40, the opening of sleeve
50, the opening of sleeve
70, the shank of link
80, the screw section of link
100, connection set
200, workpiece is connected
300, workpiece is connected
Claims (22)
1. one kind for by least two workpiece (200,300) connection set (100) be assembled together, this connection set (100) is by described at least two workpiece (200,300) described workpiece (200,300) links together by the region of through-hole form substantially, it is characterized in that, described connection set comprises the positioning element (2) of link (1) and hollow, this positioning element (2) has and described at least two workpiece (200, 300) the outer rim lug boss (3) of the cross section respective shapes of the assembly area (30) of the through-hole form of at least one workpiece, and the support (4) to be connected with described outer rim lug boss (3), this support (4) radial direction is surrounded and fixes described link (1) by interference fit, and this outer rim lug boss (3) is contained in by clamping in the groove (5) in assembly area (30).
2. according to connection set according to claim 1 (100), it is characterized in that, described link (1) has external thread part (80) and shank (70), wherein, the diameter of described external thread part (80) is greater than the diameter of described shank (70); Further, the wall thickness of the support (4) of described positioning element (2) is less than or equal to the semidiameter of described external thread part (80) and described shank (70).
3. according to the connection set (100) described in claim 1 or 2, it is characterized in that, the support (4) of described positioning element (2) is half approximate hyperboloid of one sheet shape.
4. according to the connection set (100) described in claim 1 or 2, it is characterized in that, the support (4) of described positioning element (2) is the multiple tooth-shape structures (7) extended internally along the opening (6) of described outer rim lug boss (3).
5. according to connection set according to claim 1 (100), it is characterized in that, described connection set (100) also comprises the sleeve (8) for holding described link (1) and positioning element (2), wherein, the structure of the tubulose substantially that described sleeve (8) is both ends open also has two openings (40,50).
6. according to connection set according to claim 2 (100), it is characterized in that, described connection set (100) also comprises the sleeve (8) for holding described link (1) and positioning element (2), wherein, the structure of the tubulose substantially that described sleeve (8) is both ends open also has two openings (40,50).
7. according to connection set according to claim 6 (100), it is characterized in that, described groove (5) is positioned on the inwall (9) of described sleeve (8).
8. according to the connection set (100) of claim 6, it is characterized in that, the axial height of described sleeve (8) is greater than the length of described external thread part (80), and is less than the total length of described external thread part (80) and described shank (70).
9. according to connection set according to claim 8 (100), it is characterized in that, the outer end of an opening (40,50) of described sleeve (8) has outer rim lug boss (10).
10. according to connection set according to claim 9 (100), it is characterized in that the sleeve outer wall at described sleeve (8) with one end of described outer rim lug boss (10) has worm structure (11).
11., according to the connection set (100) in claim 6 to 10 described in any one, is characterized in that, are made up of metallic material at described sleeve (8).
12. 1 kinds of mounting assemblys (400) comprise at least two workpiece (200,300) and for by described at least two workpiece (200,300) connection set (100) be assembled together, it is characterized in that, described connection set (100) comprises the positioning element (2) of link (1) and hollow, wherein, described at least two workpiece (200,300) are linked together by the assembly area (30) of the upper through-hole form of workpiece (200) by described connection set (100); And, described positioning element (2) has the outer rim lug boss (3) with described assembly area cross section respective shapes, and the support (4) to be connected with described outer rim lug boss (3), wherein, support (4) radial direction of described positioning element (2) is surrounded and fixes described link (1) by interference fit, and wherein, described outer rim lug boss (3) is contained in by clamping in the groove (5) in assembly area (30).
13. according to connection set according to claim 12 (100), it is characterized in that, described link (1) has external thread part (80) and shank (70), wherein, the diameter of described external thread part (80) is greater than the diameter of described shank (70); Further, the wall thickness of the support (4) of described positioning element (2) is less than or equal to the semidiameter of described external thread part (80) and described shank (70).
14., according to the connection set (100) described in claim 12 or 13, is characterized in that, the support (4) of described positioning element (2) is half approximate hyperboloid of one sheet shape.
15. according to the connection set (100) described in claim 12 or 13, it is characterized in that, the support (4) of described positioning element (2) is the multiple tooth-shape structures (7) extended internally along the opening (6) of described outer rim lug boss (3).
16. according to connection set according to claim 12 (100), it is characterized in that, described connection set (100) also comprises the sleeve (8) for holding described link (1) and positioning element (2), wherein, the tubular structure that described sleeve (8) is both ends open also has two openings (40,50).
17. according to connection set according to claim 13 (100), it is characterized in that, described connection set (100) also comprises the sleeve (8) for holding described link (1) and positioning element (2), wherein, the tubular structure that described sleeve (8) is both ends open also has two openings (40,50).
18., according to connection set according to claim 17 (100), is characterized in that, described groove (5) is positioned on the inwall (9) of described sleeve (8).
19. according to the connection set (100) of claim 17, it is characterized in that, the axial height of described sleeve (8) is greater than the length of described external thread part (80), and is less than the total length of described external thread part (80) and described shank (70).
20., according to connection set according to claim 19 (100), is characterized in that, the outer end of an opening (40,50) of described sleeve (8) has outer rim lug boss (10).
21., according to connection set according to claim 20 (100), is characterized in that, the sleeve outer wall at described sleeve (8) with one end of described outer rim lug boss (10) has worm structure (11).
22., according to the connection set (100) in claim 17 to 21 described in any one, is characterized in that, are made up of metallic material at described sleeve (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420381286.8U CN204082799U (en) | 2014-07-10 | 2014-07-10 | Workpiece connecting device and mounting assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420381286.8U CN204082799U (en) | 2014-07-10 | 2014-07-10 | Workpiece connecting device and mounting assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204082799U true CN204082799U (en) | 2015-01-07 |
Family
ID=52175522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420381286.8U Active CN204082799U (en) | 2014-07-10 | 2014-07-10 | Workpiece connecting device and mounting assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204082799U (en) |
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2014
- 2014-07-10 CN CN201420381286.8U patent/CN204082799U/en active Active
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