CN207437515U - A kind of self-locking fixed shell circumference connection structure - Google Patents
A kind of self-locking fixed shell circumference connection structure Download PDFInfo
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- CN207437515U CN207437515U CN201721277827.2U CN201721277827U CN207437515U CN 207437515 U CN207437515 U CN 207437515U CN 201721277827 U CN201721277827 U CN 201721277827U CN 207437515 U CN207437515 U CN 207437515U
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- Prior art keywords
- self
- housing
- locking
- anticreep
- face
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- 239000000853 adhesive Substances 0.000 abstract description 3
- 230000001070 adhesive effect Effects 0.000 abstract description 3
- 239000012790 adhesive layer Substances 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000003679 aging effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
Abstract
The utility model discloses a kind of self-locking fixed shell circumference connection structures, it solves existing housing to be bonded with adhesive, the problem of being failed for a long time using rear adhesive layer, including inner housing, the outer housing being sleeved on outside inner housing, the inner housing and outer housing are both provided with end face, the end face junction of the inner housing and outer housing is provided with self-locking connection structure, the self-locking connection structure includes preventing the anticreep self-locking structure that housing moves in the axial direction and the anti-rotation self-locking structure for preventing housing from rotating in a circumferential direction, the anticreep self-locking structure includes inner housing anticreep face, the outer housing anticreep face closed with inner housing anticreep face paste, the anti-rotation self-locking structure includes antirotation keys, with the anti-rotation groove of antirotation keys cooperation.The utility model uses above-mentioned anti-detachment, anti-rotation integrated self-locking connection structure, realizes that the self-locking of housing unit is fixedly connected, and ensures size and positional precision after housing unit connection, increases the service life of housing.
Description
Technical field
The utility model belongs to housing connection anti-loose technical field, and in particular to a kind of self-locking fixed shell circumference connection knot
Structure.
Background technology
Housing is one of major part for forming machine or component, plays support and containing other parts, generally by
Certain thickness housing exterior walls and inner cavity are formed.Usually in the actual use process, it is necessary to will by connection structure by housing
It connects to form housing unit, and different equipment and experiment middle casing connection component are different.Casing connecting structure side
Formula is various, using most for gluing connection structure, by bonding agents such as epoxy resin by inside and outside two layers of case bonding into housing
There is component higher inter-layer bonding force to ensure the constant of housing unit position degree between inner housing and outer housing the two.Bonding
Although agent have stress distribution it is continuous, it is light-weight the features such as, bonding be also especially suitable for unlike material, different-thickness, ultra-thin rule
The connection of lattice and complicated structure, and it is bonded that RECENT DEVELOPMENTS is most fast, and application industry is extremely wide, and to high-and-new science and technology progress and people
People's daily life improvement has significant impact.But cementing structure is by long-time service, phenomena such as the dehydration of adhesive, aging
Glue-line can be caused to fail because adhesive layer is organic material, itself there are problems that the drawbacks of aging action and, therefore directly affect
The stability and reliability of housing quality of connection make the reduced service life of housing unit.
Utility model content
The utility model provides a kind of self-locking fixed shell circumference connection structure, solves existing housing and is glued with adhesive
The problem of connecing, being failed for a long time using rear adhesive layer is removed the organic gel bonded structure on housing linkage interface, is connected in housing
It is engaged and housing unit is locked using anticreep self-locking structure and anti-rotation self-locking structure at contact surface, form self-locking structure,
It realizes being fixedly connected for housing unit, and can ensure the size and positional precision after housing unit connection.
The utility model to achieve the above object, is achieved through the following technical solutions：A kind of self-locking fixed shell circumference
Connection structure, including inner housing, the outer housing being sleeved on outside inner housing, the inner housing and outer housing are both provided with end face, in institute
The end face junction for stating inner housing and outer housing is provided with self-locking connection structure, and the self-locking connection structure includes preventing
Anticreep self-locking structure that only two housings move in the axial direction and for preventing two housings from rotating in a circumferential direction anti-
Turn self-locking structure, each anticreep self-locking structure includes at least two anticreep faces being bonded to each other, each anti-rotation self-locking
Structure includes at least one anti-rotation groove and an anti-rotation convex key.
Further, the anticreep face in the anticreep self-locking structure includes inner housing anticreep face and inner housing anticreep face paste
The outer housing anticreep face of conjunction, the inner housing anticreep face are arranged on inner housing outer mold surface, and the outer housing anticreep face is arranged on outer
Housing inner mold face.
Further, the inner housing anticreep face is inner housing anticreep circular conical surface, and the outer housing anticreep face is outer housing
Anticreep circular conical surface.
Further, each inner housing anticreep face corresponds to an outer housing anticreep face.
Further, the anti-rotation groove is arranged on outer housing inner mold face.
Further, the anti-rotation convex key is arranged on inner housing outer mold surface, and the anti-rotation convex key is placed in anti-rotation groove.
Further, one anti-rotation convex key corresponds to an anti-rotation groove, and the size of the anti-rotation groove is with preventing
The size for turning convex key matches.
Further, the inner housing and outer housing are formed by anticreep self-locking structure is interference fitted.
Further, the anticreep self-locking structure and anti-rotation self-locking structure are distributed on same circumference.
The utility model compared with prior art, has the following advantages and beneficial effect：
Compared with prior art, the utility model is simple in structure, novel in design reasonable.By mutual in anticreep self-locking structure
The anticreep circular conical surface of cooperation prevents housing from moving in the axial direction；By the anti-rotation convex key that cooperates in anti-rotation self-locking structure and
Anti-rotation groove prevents housing from rotating in a circumferential direction；Outer housing, outer housing anticreep face and anti-rotation groove integrated structure design,
Inner housing, inner housing anticreep face and anti-rotation convex key integrated structure design ensure that housing self-locking structure is secured to the locking of housing,
Effectively prevent that self-locking structure loosens the locking of housing in later stage use, influences the normal use of device.In addition, housing
The self-locking structure of endface is micro interference fit, ensures the housing unit firm and reliable connection after assembling.Meanwhile inner housing
Coordinate with outer housing mating surface processing dimension for transition, to reduce inside and outside housing fit clearance after assembling.
The self-locking fixed shell circumference connection structure of the utility model is also simple with processing technology, and housing service life is long,
Between housing the advantages that being connected firmly, housing unit size, positional precision after connection are stablized relatively.
Description of the drawings
The cross-sectional structure schematic diagram of Fig. 1 the utility model.
Fig. 2 is the A-A structure diagrams in Fig. 1.
Wherein：1st, inner housing, 2. outer housings, 3, anticreep self-locking structure, 4, anti-rotation self-locking structure.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, is further elaborated the utility model.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
As described in Figure 1, a kind of self-locking fixed shell circumference connection structure including inner housing and is sleeved on interior external outer housing,
Inner housing and outer housing are both provided with end face, and the end face junction of inner housing and outer housing is provided with self-locking connection structure.
Self-locking connection structure is used to inner housing connecting fixation with outer housing, and self-locking connection structure includes several anticreep self-locking knots
Structure and several anti-rotation self-locking structures.
As shown in Fig. 2, anticreep self-locking structure is used to prevent inner housing, outer housing from moving in the axial direction, including at least two
The anticreep face of a mutual cooperation.Anticreep face includes inner housing anticreep face and outer housing anticreep face, inner housing anticreep face and outer housing
Anticreep face is bonded to each other, and an inner housing anticreep face corresponds to an outer housing anticreep face, leads between inner housing and outer housing
Outer housing anticreep face, the inner housing anticreep face crossed in anticreep self-locking structure are formed as micro interference fit.Inner housing anticreep face is set
It puts in inner housing outer mold surface, inner housing anticreep circular conical surface may be employed in inner housing anticreep face.Outer housing anticreep face is arranged on shell
Internal type face, outer housing anticreep circular conical surface may be employed in outer housing anticreep face.As shown in Figure 1, four anticreep self-locking structures of selection
With four anti-rotation self-locking structures, each anticreep self-locking structure includes an outer housing anticreep face and an inner housing anticreep face, often
A anticreep self-locking structure is uniformly arranged on same circumference, ensures uniform force when inner housing and outer housing are locked, enhancing locking
Effect.
Anti-rotation self-locking structure is used to place inner housing and outer housing rotates in a circumferential direction, recessed including at least one anti-rotation
Slot and an anti-rotation convex key.Anti-rotation groove is arranged on outer housing inner mold face, and anti-rotation groove is along inner housing direction indent.Anti-rotation
Convex key is arranged on inner housing outer mold surface, and anti-rotation convex key is along outer housing direction evagination.Anti-rotation convex key is placed in anti-rotation groove,
One anti-rotation convex key is corresponding with an anti-rotation groove, and the size of the size and anti-rotation convex key of anti-rotation groove matches.Such as Fig. 1 institutes
Show, can select four anti-rotation self-locking structures, each anti-rotation self-locking structure includes an anti-rotation groove and anti-rotation convex key, Mei Gefang
Turn self-locking structure to be uniformly arranged on same circumference.Ensure uniform force when inner housing and outer housing are locked, enhance locking effect.
Inner housing is connected fixation with outer housing by anticreep face, anti-rotation groove and anti-rotation convex key, forms a self-locking connection knot
Structure, firm limitation and fixed inner housing and outer housing, ensure the housing unit size that assembling rear casing body and inner housing are formed
It is opposite with relative positional accuracy to stablize, is reliable.
In addition, self-locking fixed shell circumference connection structure machine-shaping can be completed with Computerized Numerical Control processing technology, matched somebody with somebody using the temperature difference
It attaches together and assembly connection is carried out to housing with device, and configure dedicated precision positioning device, reach accurate to inner housing, outer housing
Positioning and the purpose of gap assembling, realize the molding assembly of self-locking fixed shell modular construction.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (9)
1. a kind of self-locking fixed shell circumference connection structure, including inner housing, the outer housing being sleeved on outside inner housing, the inner housing and
Outer housing is both provided with end face, it is characterised in that self-locking connection is provided in the end face junction of the inner housing and outer housing
Structure, the self-locking connection structure include the anticreep self-locking structure and be used for for preventing that two housings from moving in the axial direction
Prevent the anti-rotation self-locking structure that two housings rotate in a circumferential direction, the anticreep self-locking structure includes at least two and mutually pastes
The anticreep face of conjunction, the anti-rotation self-locking structure include at least one anti-rotation groove and an anti-rotation convex key.
A kind of 2. self-locking fixed shell circumference connection structure according to claim 1, it is characterised in that the anticreep self-locking knot
Anticreep face in structure includes inner housing anticreep face, the outer housing anticreep face closed with inner housing anticreep face paste, the inner housing anticreep
Face is arranged on inner housing outer mold surface, and the outer housing anticreep face is arranged on outer housing inner mold face.
A kind of 3. self-locking fixed shell circumference connection structure according to claim 2, it is characterised in that the inner housing anticreep
Face is inner housing anticreep circular conical surface, and the outer housing anticreep face is outer housing anticreep circular conical surface.
A kind of 4. self-locking fixed shell circumference connection structure according to claim 2, it is characterised in that one a inner casing
Body anticreep face corresponds to an outer housing anticreep face.
5. a kind of self-locking fixed shell circumference connection structure according to claim 1, it is characterised in that the anti-rotation groove is set
It puts in outer housing inner mold face.
6. a kind of self-locking fixed shell circumference connection structure according to claim 5, it is characterised in that the anti-rotation convex key is set
It puts in inner housing outer mold surface, the anti-rotation convex key is placed in anti-rotation groove.
7. a kind of self-locking fixed shell circumference connection structure according to claim 6, it is characterised in that one anti-rotation is convex
Key corresponds to an anti-rotation groove, and the size of the size and anti-rotation convex key of the anti-rotation groove matches.
A kind of 8. self-locking fixed shell circumference connection structure according to claim 1, it is characterised in that the inner housing and outer
Housing is formed by anticreep self-locking structure and is interference fitted.
A kind of 9. self-locking fixed shell circumference connection structure according to claim 1, it is characterised in that the anticreep self-locking knot
Structure and anti-rotation self-locking structure are distributed on same circumference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721277827.2U CN207437515U (en) | 2017-09-30 | 2017-09-30 | A kind of self-locking fixed shell circumference connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721277827.2U CN207437515U (en) | 2017-09-30 | 2017-09-30 | A kind of self-locking fixed shell circumference connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207437515U true CN207437515U (en) | 2018-06-01 |
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ID=62295250
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721277827.2U Expired - Fee Related CN207437515U (en) | 2017-09-30 | 2017-09-30 | A kind of self-locking fixed shell circumference connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207437515U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111843421A (en) * | 2020-08-04 | 2020-10-30 | 中国工程物理研究院总体工程研究所 | Auxiliary anti-rotation method for assembly body containing micro-gap dissimilar material and application |
-
2017
- 2017-09-30 CN CN201721277827.2U patent/CN207437515U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111843421A (en) * | 2020-08-04 | 2020-10-30 | 中国工程物理研究院总体工程研究所 | Auxiliary anti-rotation method for assembly body containing micro-gap dissimilar material and application |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180601 |
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| CF01 | Termination of patent right due to non-payment of annual fee |