CN204628186U - A kind of screw fixed connection structure - Google Patents
A kind of screw fixed connection structure Download PDFInfo
- Publication number
- CN204628186U CN204628186U CN201520351661.9U CN201520351661U CN204628186U CN 204628186 U CN204628186 U CN 204628186U CN 201520351661 U CN201520351661 U CN 201520351661U CN 204628186 U CN204628186 U CN 204628186U
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- CN
- China
- Prior art keywords
- hole
- assembly parts
- joint
- fixed base
- holding cavity
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- 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
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Abstract
The utility model belongs to technical field of electronic products, particularly relate to a kind of screw fixed connection structure, comprise assembly parts and fixed base, the joint of assembly parts is provided with through hole, fixed base is provided with the holding cavity of accommodating joint, and on fixed base, corresponding through hole is provided with tapped hole; Be fixedly connected with the screw of fixed base and assembly parts; The sidewall of through hole is arranged at intervals with at least three grooves extended along its axial direction, between joint and holding cavity, is provided with guiding device; The sidewall of through hole is arranged at intervals with at least three grooves extended along its axial direction, the area of contact of screw and through-hole side wall is reduced, effectively can reduce broken screw or damage through hole on assembly parts, improve the yield of product, the problem occurring between the assembly parts because reaming occurs and fixed base rocking can also be avoided simultaneously; Between the joint and the holding cavity of fixed base of assembly parts, be provided with guiding device, can ensure between assembly parts and fixed base, to there will not be the problem of rocking.
Description
Technical field
The utility model belongs to technical field of electronic products, particularly relates to a kind of screw fixed connection structure.
Background technique
Electronic product intelligent watchband, headphone, bluetooth earphone etc. are more and more applied in the middle of daily life, often screw fixed connection structure can be used in these electronic products, as seen from Figure 1, Figure 2, this screw fixed connection structure generally includes: assembly parts 10 and fixed base 11, the joint 101 of assembly parts 10 is provided with through hole 102, fixed base 11 is provided with the holding cavity 111 of the joint 101 of accommodating assembly parts 10, and on fixed base 11, corresponding through hole 102 place is provided with tapped hole 112; The screw 12 of fixed base 11 and assembly parts 10 is fixedly connected with through tapped hole 112, through hole 102.Smooth and easy in order to ensure assembling, require that the through hole 102 above assembly parts 10 is larger than screw 12 diameter.
When being screwed into screw 12, screw 12 is easy to occur crooked phenomenon, causes screw 12 to be screwed on the sidewall of assembly parts 10 through hole 102, causes screw 12 to rupture or damage the through hole 102 on assembly parts 10, causing product yield to reduce.
Common way is through hole 102 chamfering on assembly parts 10, can be convenient for assembly, the surface of contact of screw 12 and through hole 102 is little, can reduce the generation that screw 12 ruptures or damages through hole 102 phenomenon on assembly parts 10, but can not tackle the problem at its root.Another settling mode is exactly expand the through hole 102 on assembly parts 10, there will be the problem of rocking like this after assembling between assembly parts 10 and fixed base 11.
Model utility content
The technical problems to be solved in the utility model is: provide a kind of screw fixed connection structure preventing broken screw or damage through hole on assembly parts, can also avoid assembling the problem occurring between rear assembly parts and fixed base rocking.
The utility model realizes like this, a kind of screw fixed connection structure, described screw fixed connection structure comprises assembly parts and fixed base, the joint of described assembly parts is provided with through hole, described fixed base is provided with the holding cavity of accommodating described joint, and on described fixed base, corresponding described through hole is provided with tapped hole; Be fixedly connected with the screw of described fixed base and described assembly parts; The sidewall of described through hole is arranged at intervals with at least three grooves extended along its axial direction, between described joint and described holding cavity, is provided with guiding device.
Improve as one, described guiding device comprises: be arranged on the guide groove on joint, the direction that described guide groove inserts described holding cavity along described joint arranges and is extended to described assembly parts body by the end edge of described joint, is arranged on the lug boss with described guide groove grafting in described holding cavity.
Improve as one, described guiding device comprises: be arranged on the lug boss on joint, and described lug boss inserts the direction of described holding cavity along described joint; Be arranged on the guiding groove of corresponding described lug boss on described holding cavity inwall, described guiding groove is extended to its inside by described holding cavity end.
Improve as one, at least three described grooves divide equally layout along the circumference of described through hole.
Improve as one, described groove is provided with three.
Owing to have employed technique scheme, the beneficial effect obtained is as follows:
The joint of assembly parts is inserted in the holding cavity of fixed base, tapped hole is alignd with through hole, then screw is screwed into, the sidewall of through hole is arranged at intervals with at least three grooves extended along its axial direction, the area of contact of screw and through-hole side wall is reduced, effectively can reduce broken screw or damage through hole on assembly parts, improve the yield of product, the problem occurring between the assembly parts because reaming occurs and fixed base rocking can also be avoided simultaneously; Between the joint and the holding cavity of fixed base of assembly parts, be provided with guiding device, can ensure between assembly parts and fixed base, to there will not be the problem of rocking.
Accompanying drawing explanation
Fig. 1 is the sectional structure schematic diagram of existing screw fixed connection structure;
Fig. 2 is the stereo decomposing structural representation of existing screw fixed connection structure;
Fig. 3 is the stereo decomposing structural representation of screw fixed connection structure of the present utility model;
Fig. 4 is the perspective view of the fixed base of the utility model screw fixed connection structure;
Wherein, 10, assembly parts, 101, joint, 102, through hole, 103, through hole, 104, guide groove, 11, fixed base, 111, holding cavity, 112, tapped hole, 113, lug boss, 12, screw.
Embodiment
In order to make the purpose of this utility model, technological scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
From Fig. 3 and Fig. 4, this screw fixed connection structure comprises: assembly parts 10 and fixed base 11, the joint 101 of assembly parts 10 is provided with through hole 103, the sidewall of through hole 103 is arranged at intervals with at least three grooves extended along its axial direction, in the present embodiment, groove is provided with three, circumference along through hole 103 divides equally layout, fixed base 11 is provided with the holding cavity 111 of the joint 101 of accommodating assembly parts 10, on fixed base 11, corresponding through hole 103 place is provided with tapped hole 112, guiding device is provided with between the joint 101 and the holding cavity 111 of fixed base 11 of assembly parts 10, the screw 12 of fixed base 11 and assembly parts 10 is fixedly connected with through tapped hole 112, through hole 103.
During assembling, the joint 101 of assembly parts 10 is inserted in the holding cavity 111 of fixed base 11, tapped hole 112 is alignd with through hole 103, then screw 12 is screwed into, the sidewall of through hole 103 is arranged at intervals with at least three grooves extended along its axial direction, the area of contact of screw 12 and through hole 103 sidewall is reduced, effectively can reduce screw 12 rupture or damage through hole 103 on assembly parts 10, improve the yield of product, the problem occurring between the assembly parts 10 because reaming occurs and fixed base 11 rocking can also be avoided simultaneously; Between the joint 101 and the holding cavity 111 of fixed base 11 of assembly parts 10, be provided with guiding device, can ensure between assembly parts 10 and fixed base 11, to there will not be the problem of rocking.
Guiding device comprises: be arranged on the guide groove 104 on joint 101, the direction that this guide groove 104 inserts holding cavity 111 along joint 101 arranges and is extended to assembly parts 10 body by the end edge of joint 101, is arranged on the lug boss 113 with guide groove 104 grafting in holding cavity 111; During assembling, the joint 101 of assembly parts 10 is inserted in the holding cavity 111 of fixed base 11, now, guide groove 104 on joint 101 slips into along the lug boss 113 in holding cavity 111, guide groove 104 and lug boss 113 socket connection, can ensure to there will not be the problem of rocking between assembly parts 10 and fixed base 11.
Certainly, in concrete implementation process, also can arrange lug boss at joint 101, the direction that this lug boss inserts holding cavity 111 along joint 101 is arranged, on the inwall of holding cavity 111, place of respective protrusions portion is provided with guiding groove, and this guiding groove is extended to its inside by holding cavity 111 end.
Screw fixed connection structure of the present utility model comprises assembly parts and fixed base, and the joint of assembly parts is provided with through hole, and fixed base is provided with the holding cavity of accommodating joint, and on fixed base, corresponding through hole is provided with tapped hole; Be fixedly connected with the screw of fixed base and assembly parts; The sidewall of through hole is arranged at intervals with at least three grooves extended along its axial direction, between joint and holding cavity, is provided with guiding device.The joint of assembly parts is inserted in the holding cavity of fixed base, tapped hole is alignd with through hole, then screw is screwed into, the sidewall of through hole is arranged at intervals with at least three grooves extended along its axial direction, the area of contact of screw and through-hole side wall is reduced, effectively can reduce broken screw or damage through hole on assembly parts, improve the yield of product, the problem occurring between the assembly parts because reaming occurs and fixed base rocking can also be avoided simultaneously; Between the joint and the holding cavity of fixed base of assembly parts, be provided with guiding device, can ensure between assembly parts and fixed base, to there will not be the problem of rocking.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (5)
1. a screw fixed connection structure, comprises assembly parts and fixed base, and the joint of described assembly parts is provided with through hole, and described fixed base is provided with the holding cavity of accommodating described joint, and on described fixed base, corresponding described through hole is provided with tapped hole; Be fixedly connected with the screw of described fixed base and described assembly parts; It is characterized in that, the sidewall of described through hole is arranged at intervals with at least three grooves extended along its axial direction, between described joint and described holding cavity, is provided with guiding device.
2. screw fixed connection structure according to claim 1, it is characterized in that, described guiding device comprises: be arranged on the guide groove on joint, the direction that described guide groove inserts described holding cavity along described joint arranges and is extended to described assembly parts body by the end edge of described joint, is arranged on the lug boss with described guide groove grafting in described holding cavity.
3. screw fixed connection structure according to claim 1, is characterized in that, described guiding device comprises: be arranged on the lug boss on joint, and described lug boss inserts the direction of described holding cavity along described joint; Be arranged on the guiding groove of corresponding described lug boss on described holding cavity inwall, described guiding groove is extended to its inside by described holding cavity end.
4. the screw fixed connection structure according to any one of claims 1 to 3, is characterized in that, at least three described grooves divide equally layout along the circumference of described through hole.
5. screw fixed connection structure according to claim 4, is characterized in that, described groove is provided with three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520351661.9U CN204628186U (en) | 2015-05-27 | 2015-05-27 | A kind of screw fixed connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520351661.9U CN204628186U (en) | 2015-05-27 | 2015-05-27 | A kind of screw fixed connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204628186U true CN204628186U (en) | 2015-09-09 |
Family
ID=54047222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520351661.9U Expired - Fee Related CN204628186U (en) | 2015-05-27 | 2015-05-27 | A kind of screw fixed connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204628186U (en) |
-
2015
- 2015-05-27 CN CN201520351661.9U patent/CN204628186U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150909 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |