CN202903217U - Structure for assembling sensor rear cover and housing - Google Patents
Structure for assembling sensor rear cover and housing Download PDFInfo
- Publication number
- CN202903217U CN202903217U CN 201220616575 CN201220616575U CN202903217U CN 202903217 U CN202903217 U CN 202903217U CN 201220616575 CN201220616575 CN 201220616575 CN 201220616575 U CN201220616575 U CN 201220616575U CN 202903217 U CN202903217 U CN 202903217U
- Authority
- CN
- China
- Prior art keywords
- housing
- rear cover
- glue
- bonnet
- wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Casings For Electric Apparatus (AREA)
Abstract
The utility model discloses a structure for assembling a sensor rear cover and a housing. The structure comprises the sensor rear cover and the housing. A raised rear cover wall is disposed on an edge of the rear cover. A positioning bulge matched with the rear cover wall is disposed on the housing. A groove used to fill glue is disposed between the positioning bulge and a raised wall on edges of the housing. The rear cover is clamped on the housing and cannot move randomly. A fixed position of the rear cover is stable and has good consistency. A post-glue-pouring technology is used so that glue just exists between an outer wall of the housing groove and an outer side surface of the rear cover wall. The glue does not exist on bottom of the rear cover wall, so the rear cover would not tilt when curing glue. A sectional type vacuum pumping technology ensures air in colloid is completely discharged, thereby reducing splash and overflow of the glue in a glue taking-out process. Colloid appearance consistency of a product after solidification is good. Vacuum pumping is performed before the solidification, so air in the colloid is generally discharged, and adhesive force of the glue on the housing and the rear cover is improved.
Description
Technical field
The utility model relates to the automotive sensor technology field, especially relates to a kind of sensor bonnet and casing assembling structure.
Background technology
The general volume of automobile sensor is little, environment for use is abominable, and is comparatively harsh to the bonnet matching requirements of sensor.Automobile sensor generally all is to use silica gel that sensor bonnet and housing are glued together, the direct plane of bonnet and housing is bonding, easily have the bonnet perk, have after silica gel between bonnet and the housing solidifies overflow, the defectives such as hole, starved, even product use a period of time after bonnet come off.
The utility model content
Technical problem to be solved in the utility model provides a kind of sensor bonnet and casing assembling structure, is mounted with reliable, the fixing smooth purpose that is difficult for perk of bonnet to reach.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of sensor bonnet and casing assembling structure, the bonnet and the housing that comprise sensor, described bonnet edge is provided with the bonnet arm of projection, described housing is provided with the positioning convex suitable with rear tegmental wall, is provided with the groove for encapsulating between the protruding wall of described positioning convex and shell rim.
Described rear tegmental wall inboard is provided with card article, and described positioning convex is provided with the draw-in groove suitable with card article.
The height of described rear tegmental wall is greater than the degree of depth of the groove of housing.
The utility model compared with prior art has the following advantages: bonnet is stuck on the housing can not voluntary activity, and bonnet fixed position stable and consistent is good; Adopt rear process for filling colloid into so that glue only is present between housing groove outer wall and the rear tegmental wall lateral surface, rear tegmental wall bottom does not have glue, after causing, the Shi Buhui of glue is stamped perk so that solidify, the sectional type evacuation process, guarantee that the air exhausting in the colloid is clean, reduced and taken out that glue splashes, overflows in the glue process, the product colloid outward appearance high conformity after the curing; Vacuumize before solidifying, so that the air in the colloid drains substantially, improved the clinging power of glue to housing and bonnet.
Description of drawings
The below makes brief description to the expressed content of each width of cloth accompanying drawing of this instructions and the mark among the figure:
Fig. 1 is the utility model sensor housing organigram.
Fig. 2 is the utility model sensor bonnet organigram.
Among the figure: 1. draw-in groove, 2. positioning convex, 3. groove, 4. card article, 5. rear tegmental wall.
Embodiment
The below contrasts accompanying drawing, by the description to embodiment, embodiment of the present utility model is described in further detail.
As depicted in figs. 1 and 2, a kind of sensor bonnet and casing assembling structure, the bonnet and the housing that comprise sensor, be provided with the rear tegmental wall 5 of projection at the edge of bonnet fitting surface, the fitting surface of housing is groove structure, be provided with positioning convex 2 in the groove structure of housing, rear tegmental wall 5 medial surfaces and positioning convex 2 lateral surfaces are suitable, are the groove 3 for encapsulating between the protruding wall of the positioning convex of housing and shell rim.
Wherein, rear tegmental wall 5 inboards are provided with card article 4, and positioning convex 2 is provided with the draw-in groove 1 suitable with card article 4, improve the reliability that bonnet and housing are mounted with.The height of rear tegmental wall is greater than the degree of depth of the groove of housing, so that after bonnet covered, rear tegmental wall top directly touched the housing channel bottom, prevents that glue from entering.
The utility model also provides the assembly method of above-described sensor bonnet and casing assembling structure, and described assembly method may further comprise the steps:
1), bonnet is covered on the housing, the card article of bonnet snaps in the draw-in groove of housing, and with the bonnet compacting;
2), the bonnet after will building fixes, and uses automatic dispensing machine to carry out encapsulating along the groove between the rear tegmental wall outside and the housing;
3), encapsulating puts into vacuum tank with product after finishing and vacuumizes, and first vacuum tightness is extracted between-0.09 to-0.07Mpa, vacuum pump cut out ten minutes, was continuing to take out five minutes;
4), product is put into high-temperature cabinet, temperature heated 100-120 minute between 120-140 ℃, so that glue solidifies fully.
Wherein, in step 2) in, the glue face height of encapsulating gash depth 1/2nd to 3/4ths between, presentation quality is good.During encapsulating, vacuum tightness is extracted into-0.09Mpa, during heating, temperature was 130 ℃ of heating 120 minutes, and bonnet and housing are fixing reliable and stable.
The above has carried out exemplary description to the utility model by reference to the accompanying drawings; obviously the utility model specific implementation is not subjected to the restriction of aforesaid way; as long as adopted the improvement of the various unsubstantialities that method of the present utility model design and technical scheme carry out; or without improving design of the present utility model and technical scheme are directly applied to other occasion, all within protection domain of the present utility model.
Claims (3)
1. a sensor bonnet and casing assembling structure, the bonnet and the housing that comprise sensor, it is characterized in that: described bonnet edge is provided with the bonnet arm (5) of projection, described housing is provided with the positioning convex (2) suitable with rear tegmental wall (5), is provided with the groove (3) for encapsulating between the protruding wall of described positioning convex (2) and shell rim.
2. sensor bonnet as claimed in claim 1 and casing assembling structure, it is characterized in that: described rear tegmental wall (5) inboard is provided with card article (4), and described positioning convex (2) is provided with the draw-in groove (1) suitable with card article (4).
3. sensor bonnet as claimed in claim 2 and casing assembling structure, it is characterized in that: the height of described rear tegmental wall is greater than the degree of depth of the groove of housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220616575 CN202903217U (en) | 2012-11-20 | 2012-11-20 | Structure for assembling sensor rear cover and housing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220616575 CN202903217U (en) | 2012-11-20 | 2012-11-20 | Structure for assembling sensor rear cover and housing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202903217U true CN202903217U (en) | 2013-04-24 |
Family
ID=48123876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220616575 Expired - Fee Related CN202903217U (en) | 2012-11-20 | 2012-11-20 | Structure for assembling sensor rear cover and housing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202903217U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102975368A (en) * | 2012-11-20 | 2013-03-20 | 芜湖通和汽车管路系统有限公司 | Sensor rear cover-housing assembling structure and assembling method thereof |
| CN108858943A (en) * | 2018-06-27 | 2018-11-23 | 湖北三江航天江北机械工程有限公司 | The more metal insert cable hood forming methods of segmented and moulding pressing mold |
-
2012
- 2012-11-20 CN CN 201220616575 patent/CN202903217U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102975368A (en) * | 2012-11-20 | 2013-03-20 | 芜湖通和汽车管路系统有限公司 | Sensor rear cover-housing assembling structure and assembling method thereof |
| CN102975368B (en) * | 2012-11-20 | 2015-05-20 | 芜湖致通汽车电子有限公司 | Sensor rear cover-housing assembling structure and assembling method thereof |
| CN108858943A (en) * | 2018-06-27 | 2018-11-23 | 湖北三江航天江北机械工程有限公司 | The more metal insert cable hood forming methods of segmented and moulding pressing mold |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130424 Termination date: 20131120 |