CN207662869U - The encapsulating structure of vehicle exhaust leak detector - Google Patents
The encapsulating structure of vehicle exhaust leak detector Download PDFInfo
- Publication number
- CN207662869U CN207662869U CN201721643251.7U CN201721643251U CN207662869U CN 207662869 U CN207662869 U CN 207662869U CN 201721643251 U CN201721643251 U CN 201721643251U CN 207662869 U CN207662869 U CN 207662869U
- Authority
- CN
- China
- Prior art keywords
- cover plate
- upper cover
- gasket
- staving
- screw
- 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.)
- Active
Links
Landscapes
- Exhaust Silencers (AREA)
Abstract
The encapsulating structure of vehicle exhaust leak detector, including staving, upper cover plate；The cover board bottom of the upper cover plate is equipped with several screws, is equipped with several through-holes at the ring flange of the staving, the screw matches with through-hole；The screw of the upper cover plate passes through the ring flange of staving, and is tightened with self-locking nut；Gasket is equipped between the ring flange and upper cover plate；The gasket is equipped with the aperture to match with screw；The positive and negative of the aperture is sticked and has annular gasket；It is equipped with glue-line between the ring flange of the cover board bottom and staving of the gasket and upper cover plate.The encapsulating structure of vehicle exhaust leak detector provided by the utility model, has excellent air-tightness, ensure that the normal table operation of leak detector.
Description
Technical field
The utility model belongs to the manufacturing technology field of leak detector, and in particular to a kind of encapsulation knot of vehicle exhaust leak detector
Structure.
Background technology
Vehicle exhaust leak detector is a kind of instrument for detecting various elemental gas content's index in vehicle exhaust.Automobile
Tail gas leak detector is usually made of staving, cover plate assembly, high to the leakproofness installation requirement of staving, cover board.
Invention content
The purpose of this utility model is to provide a kind of encapsulating structure of vehicle exhaust leak detector, have excellent airtight
Property.
The technical solution of the utility model is：The encapsulating structure of vehicle exhaust leak detector, including staving, upper cover plate；It is special
Sign is：The cover board bottom of the upper cover plate is equipped with several screws, and several through-holes, the spiral shell are equipped at the ring flange of the staving
Silk matches with through-hole；The screw of the upper cover plate passes through the ring flange of staving, and is tightened with self-locking nut；The ring flange with
Gasket is equipped between upper cover plate；
The gasket is equipped with the aperture to match with screw；The positive and negative of the aperture is sticked and has annular gasket；Institute
It states and is equipped with glue-line between the cover board bottom of gasket and upper cover plate and the ring flange of staving.
Preferably, the cover board bottom of the upper cover plate is equipped with 4~12 screws, it is equipped at the ring flange of the staving
Through-hole, the screw match with through-hole；The through-hole is consistent with the quantity of screw.
Preferably, the gasket is polyformaldehyde gasket.
Preferably, being arranged with bushing on the screw of the upper cover plate.
Advantageous effect：The encapsulating structure of vehicle exhaust leak detector provided by the utility model has excellent air-tightness, protects
The normal table operation of leak detector is demonstrate,proved.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model embodiment；
Fig. 2 is enlarged diagram at A in Fig. 1；
Fig. 3 is the structural schematic diagram of polyformaldehyde gasket；
In figure, 1, staving, 2, upper cover plate, 3, self-locking nut, 4, gasket, 5, glue-line, 6, bushing；
11, ring flange, 111, through-hole, 21, screw, 41, aperture, 42, annular gasket.
Specific implementation mode
The utility model is described in further detail with reference to the accompanying drawings and examples.
As shown in Figure 1, 2, 3, the encapsulating structure of vehicle exhaust leak detector, including staving 1, upper cover plate 2；The upper cover plate 2
Cover board bottom be equipped with several screws 21, be equipped with several through-holes 111 at the ring flange 11 of the staving 1, the screw 21 with it is logical
Hole 111 matches；The screw 21 of the upper cover plate passes through the ring flange 11 of staving, and is tightened with self-locking nut 3；The ring flange
Gasket 4 is equipped between 11 and upper cover plate 2.
Preferably, the cover board bottom of the upper cover plate 2 is equipped with 4~12 screws 21, at the ring flange of the staving
Equipped with through-hole, the screw matches with through-hole；The through-hole is consistent with the quantity of screw.
The gasket 4 is polyformaldehyde gasket, and the polyformaldehyde gasket is equipped with the aperture 41 to match with screw；It is described small
The positive and negative in hole 41, which is sticked, annular gasket 42；It is equipped between the polyformaldehyde gasket and upper cover plate and the ring flange of staving
Glue-line 5.
Bushing 6 is arranged on the screw of the upper cover plate.
The encapsulating structure of vehicle exhaust leak detector provided by the utility model, specific installation process are as follows：（1）It will be annular
Gasket is attached to the positive and negative of aperture on polyformaldehyde gasket respectively；（2）Glue is evenly coated in the cover board bottom of upper cover plate, by polyformaldehyde
Gasket is placed on upper cover plate, and the aperture of polyformaldehyde gasket is directed at screw；（3）Glue is evenly coated on polyformaldehyde gasket；（4）By bucket
Body is placed on upper cover plate, and the through-hole at the ring flange of staving is sleeved in screw；（5）Bushing is sleeved on screw and is pressed onto bottom, then
Self-locking nut is tightened on screw；（6）Hermeticity experiment is carried out after placing 24 hours.
Claims (4)
1. the encapsulating structure of vehicle exhaust leak detector, including staving, upper cover plate；It is characterized in that：The cover board bottom of the upper cover plate
Portion is equipped with several screws, is equipped with several through-holes at the ring flange of the staving, the screw matches with through-hole；The upper cover plate
Screw pass through the ring flange of staving, and tightened with self-locking nut；Gasket is equipped between the ring flange and upper cover plate；
The gasket is equipped with the aperture to match with screw；The positive and negative of the aperture is sticked and has annular gasket；The pad
It is equipped with glue-line between the ring flange of the cover board bottom and staving of piece and upper cover plate.
2. the encapsulating structure of vehicle exhaust leak detector according to claim 1, it is characterised in that：The cover board of the upper cover plate
Bottom is equipped with 4~12 screws, is equipped with through-hole at the ring flange of the staving, the screw matches with through-hole；The through-hole
It is consistent with the quantity of screw.
3. the encapsulating structure of vehicle exhaust leak detector according to claim 1, it is characterised in that：The gasket is polyformaldehyde
Gasket.
4. the encapsulating structure of vehicle exhaust leak detector according to claim 1, it is characterised in that：The screw of the upper cover plate
On be arranged with bushing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721643251.7U CN207662869U (en) | 2017-11-30 | 2017-11-30 | The encapsulating structure of vehicle exhaust leak detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721643251.7U CN207662869U (en) | 2017-11-30 | 2017-11-30 | The encapsulating structure of vehicle exhaust leak detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207662869U true CN207662869U (en) | 2018-07-27 |
Family
ID=62939308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721643251.7U Active CN207662869U (en) | 2017-11-30 | 2017-11-30 | The encapsulating structure of vehicle exhaust leak detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207662869U (en) |
-
2017
- 2017-11-30 CN CN201721643251.7U patent/CN207662869U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107972059A (en) | A kind of detachable suction lip and automation suction device | |
| CN207662869U (en) | The encapsulating structure of vehicle exhaust leak detector | |
| TWD209456S (en) | Vehicle wheel lug nut cap | |
| CN207975030U (en) | A kind of fixed structure adjusted with blade radial size and rotational angle | |
| CN203312222U (en) | Vehicle-used integrated fuse relay integration box with waterproof and breathable functions | |
| CN201827221U (en) | Glue injection combined sucking disc capable of accelerating curing of glue | |
| CN207578439U (en) | A kind of detachable suction lip and automation suction device | |
| CN106347840A (en) | Bottle cap capable of performing one-way exhausting | |
| CN202631975U (en) | Wall clock with carbon dioxide detector | |
| CN206522383U (en) | A kind of complete disc brake sealing device | |
| CN206977263U (en) | The structure of installing encoders of high-power frequency conversion motor | |
| CN204761876U (en) | A ventilative component for photoelectric instrument | |
| CN207984572U (en) | A kind of instrument connection encapsulating structure | |
| CN204894995U (en) | External tyre pressure monitoring sensor | |
| CN208488257U (en) | Engine cylinder body pressure testing seal plug structure | |
| CN203291524U (en) | Bouncy ball | |
| CN208051473U (en) | A kind of large scale magnet pulley vehicle side fixture | |
| CN208462008U (en) | A kind of ear muff package assembly | |
| CN202017014U (en) | Marsh gas tank | |
| CN205991404U (en) | A kind of automobile tail light being provided with venting test hole | |
| CN207165466U (en) | A kind of electronic membrane switch for preventing dislocation | |
| CN215928746U (en) | Explosion-proof integral type device of adsorbent | |
| CN203743559U (en) | Waterproof ventilation valve | |
| CN202942871U (en) | Reaction kettle for synthesizing abietic resin | |
| CN207802293U (en) | Prevent the earphone covers of atmosphere negative pressure damage Loudspeaker diaphragm |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |