CN207408038U - A kind of pressure sensor pedestal - Google Patents
A kind of pressure sensor pedestal Download PDFInfo
- Publication number
- CN207408038U CN207408038U CN201721435922.0U CN201721435922U CN207408038U CN 207408038 U CN207408038 U CN 207408038U CN 201721435922 U CN201721435922 U CN 201721435922U CN 207408038 U CN207408038 U CN 207408038U
- Authority
- CN
- China
- Prior art keywords
- elastomer
- seal receptacle
- sealing ring
- pressure sensor
- spring
- 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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Abstract
The utility model discloses a kind of pressure sensor pedestals, and including base body, the tracting pressuring hole of perforation pedestal is provided on the base body, base body top is provided with annular stud, downward concave concave station is provided in annular stud, the concave station bottom surface offers seal groove, it is characterised in that：The first sealing ring is provided in the seal groove, first sealing ring is pressed on by sealing device in the seal groove, the sealing device includes elastomer, seal receptacle, spring and baffle, baffle is provided with outside the elastomer and seal receptacle, gap is provided between the baffle and elastomer and seal receptacle, the spring upper end is arranged in the gap, and lower spring end is connected with first sealing ring.The utility model is avoided that since sealing ring deformability reduces the influence caused by leakproofness.
Description
Technical field
The utility model is related to a kind of pressure sensors, and in particular to a kind of pressure sensor pedestal.
Background technology
Pressure sensor is a kind of sensor the most commonly used in industrial practice, is widely used in various industrial automatic control rings
Border, be related to water conservancy and hydropower, railway traffic, intelligent building, production automatic control, aerospace, military project, petrochemical industry, oil well, electric power, ship,
Numerous industries such as lathe, pipeline.Existing pressure sensor is all that elastomer and pedestal are welded on one using ultrasonic bonding
It rises, to reach high voltage bearing purpose, but such mode is present with phenomenon of rupture when over pressure, influences making for sensor
With.
For above-mentioned phenomenon, the Chinese patent of Application No. 201310698965.8 discloses a kind of non-solder seal pressure
Sensor, it is characterized in that, including：- pedestal has the tracting pressuring hole of perforation；The top of the pedestal has annular stud, the ring
It is concave station in shape stud, seal groove is provided on the concave station bottom surface of the concave station；The stud outer wall has external screw thread；- sealing ring,
It is arranged in the seal groove of the pedestal；- elastomer has the periphery fixed of annular, the sealed end of annular and consolidates positioned at periphery
The reaction diaphragm of Zhi Dingduan；The vertical section section of the elastomer is in "Ji" type；The following table of the sealed end is packed into down
Concave station on the pedestal is interior and presses the sealing ring；External strain resistance and planted agent's power transformation are housed on the reaction diaphragm
Resistance；- pressure ring has stair-stepping pressure ring hole；The periphery fixed of the elastomer is through the pressure ring hole and tight by the pressure ring
It is pressed on the concave station bottom surface of the concave station, makes the bottom of the lower surface of the sealing ring and the sealed end, sealing ring and seal groove
Face is respectively formed sealing state.The patent squeezes while being subject to the lower surface of sealed end and sealing groove bottom using sealing ring to be occurred
Elastic deformation, reaches sealing ring and lower surface and sealing groove bottom forms sealing state, realizes tested pressure medium and outside
Isolation.However sealing ring, during deformation is squeezed for a long time, deformation nature continuously decreases, and can still result in leakproofness not
It is good, influence the performance of pressure sensor.
Utility model content
Shortcoming present in for the above-mentioned prior art, a kind of pressure sensor pedestal of the utility model be avoided that due to
Sealing ring deformability reduces the influence caused by leakproofness.
In order to realize above-mentioned technical purpose, a kind of pressure sensor pedestal of the utility model is described including base body
The tracting pressuring hole of perforation pedestal is provided on base body, base body top is provided with annular stud, is provided in annular stud
Downward concave concave station, the concave station bottom surface offer seal groove, it is characterised in that：The first sealing is provided in the seal groove
Circle, first sealing ring are pressed on by sealing device in the seal groove, and the sealing device includes elastomer, sealing
Seat, spring and baffle are provided with baffle outside the elastomer and seal receptacle, are set between the baffle and elastomer and seal receptacle
Gap is equipped with, the spring upper end is arranged in the gap, and lower spring end is connected with first sealing ring.
Preferably, the elastomer is vertically arranged with seal receptacle, and elastomer bottom is connected with seal receptacle top, is arranged to one
Body structure, seal receptacle bottom are arranged in the concave station, and the vertical section section being made of elastomer and seal receptacle is in " several " font,
Reaction diaphragm is provided on the section of two elastomer tops composition, elastomer inside top sets up the arc of upper end opening
Catch, the arc block plate bending angle are consistent with the elastomer bending angle.
Preferably, the baffle is divided into the first ladder and towards being arranged to stepped on the inside of elastomer and seal receptacle
Two ladders, the second ladder horizontal plane be less than the first step horizontal face, the spring upper end be arranged on the second stair-step it
Between, lower spring end is connected through seal receptacle with the first sealing ring.
Preferably, first stair-step is connected with arc block plate, is set between the first stair-step and elastomer upper end
Gap is equipped with, arcuately catch moves up and down the elasticity physical efficiency.
Preferably, be additionally provided with spring base between second stair-step and elastomer, the spring base lower end with it is close
Gap is provided between envelope seat, spring base can move up and down between second step and elastomer.
Preferably, the spring base upper surface is inclined-plane, and the second sealing is provided between the first stair-step and elastomer
Circle, the second sealing ring lower face is engaged with the inclined-plane.
Preferably, the sealing groove shape is circular or ellipse.
Preferably, the baffle bottom is fixedly connected with the pedestal by screw.
Compared with prior art, a kind of pressure sensor pedestal of the utility model has the following advantages：（1）Utilize spring
Promotion or compression effect, reduce the first sealing ring caused by long-term deformation process deformation nature decline and to pressure
Influence caused by the test performance of force snesor realizes that tested pressure medium is isolated with external；（2）Second sealing ring deformation can
The influence of crust deformation of the first sealing ring is resisted, sealing performance is made to maintain stable scope for a long time；（3）Seal groove shape to be circular or
Person's ellipse is conducive to sealing ring 360 ° of deformation in seal groove.
Description of the drawings
Fig. 1：The pedestal schematic diagram of the utility model；
Fig. 2：The structure diagram of the utility model；
In figure：1st, base body 2, tracting pressuring hole 3, concave station 4, seal groove 5, the first sealing ring 6, elastomer 7, sealing
Seat 8, spring 9, baffle 10, annular stud 11, reaction diaphragm 12, arc block plate 13, spring base 14, the second sealing ring
15th, screw.
Specific embodiment
Explanation that the utility model is further explained in the following with reference to the drawings and specific embodiments.It should be appreciated that herein
Described embodiment is not used to the limitation to the utility model just for the sake of explaining the utility model.
A kind of pressure sensor pedestal as shown in Figure 1 and Figure 2 including base body 1, is provided on the base body 1
The tracting pressuring hole 2 of pedestal is penetrated through, 1 top of base body is provided with annular stud 10, is provided in annular stud 10 concave downwards
Concave station 3,3 bottom surface of concave station offer seal groove 4, and the first sealing ring 5, first sealing are provided in the seal groove 4
Circle 5 is pressed on by sealing device in the seal groove 4, and the sealing device includes elastomer 6, seal receptacle 7, spring 8 and gear
Plate 9 is provided with baffle 9 outside the elastomer 6 and seal receptacle 7, is provided between the baffle 9 and elastomer 6 and seal receptacle 7
Gap, 8 upper end of spring are arranged in the gap, and 8 lower end of spring is connected with first sealing ring 5.
The elastomer 6 is vertically arranged with seal receptacle 7, and 6 bottom of elastomer is connected with 7 top of seal receptacle, and setting is integrated
Structure, 7 bottom of seal receptacle are arranged in the concave station 3, and the vertical section section being made of elastomer 6 and seal receptacle 7 is in " several " word
Shape, two elastomers, 6 top composition section on be provided with reaction diaphragm 11,6 inside top of elastomer has set up upper end and has opened
The arc block plate 12 of mouth, arc block plate 12 are located at 11 both sides of reaction diaphragm, 12 bending angle of arc block plate and the elasticity
6 bending angle of body is consistent.
The inside of the baffle 9 towards elastomer 6 and seal receptacle 7 is arranged to stepped, is divided into the first ladder and second-order
Ladder, the second ladder horizontal plane are less than the first step horizontal face, and 8 upper end of spring is arranged between the second stair-step,
8 lower end of spring is connected through seal receptacle 7 with the first sealing ring 5.
First stair-step is connected with arc block plate 12, and the first stair-step and elastomer are provided between 6 upper end
Gap, the elastomer 6 can arcuately catch 12 move up and down.
Spring base 13,13 lower end of spring base and sealing are additionally provided between second stair-step and elastomer 6
Gap is provided between seat 7, spring base 13 can move up and down between second step and elastomer 6.Utilize the promotion of spring 8
Or the effect of compression, it reduces the first sealing ring 5 deformation nature caused by long-term deformation process and declines and pressure is passed
Influence caused by the test performance of sensor realizes that tested pressure medium is isolated with external.
13 upper surface of spring base is inclined-plane, and the second sealing ring 14 is provided between the first stair-step and elastomer 6,
Second sealing ring, 14 lower face is engaged with the inclined-plane.Second sealing ring, 14 deformation can resist the shape of the first sealing ring 5
Becoming influences, and sealing performance is made to maintain stable scope for a long time.
4 shape of seal groove is circular or ellipse, is conducive to 360 ° of the deformation in seal groove 4 of sealing ring 5.
12 bottom of baffle is fixedly connected with the pedestal 7 by screw.
Certainly, above description is not limitation of the utility model, and the utility model is also not limited to the example above, this skill
The variations, modifications, additions or substitutions that the those of ordinary skill in art field is made in the essential scope of the utility model, also belong to
In the scope of protection of the utility model.
Claims (8)
1. a kind of pressure sensor pedestal including base body, is provided with the tracting pressuring hole of perforation pedestal, base on the base body
Seat body top is provided with annular stud, downward concave concave station is provided in annular stud, the concave station bottom surface offers close
Sealing groove, it is characterised in that：The first sealing ring is provided in the seal groove, first sealing ring is pressed on by sealing device
In the seal groove, the sealing device includes elastomer, seal receptacle, spring and baffle, outside the elastomer and seal receptacle
Baffle is provided with, gap is provided between the baffle and elastomer and seal receptacle, the spring upper end is arranged on the gap
Interior, lower spring end is connected with first sealing ring.
2. pressure sensor pedestal according to claim 1, it is characterised in that：The elastomer is vertical with seal receptacle to be set
It puts, elastomer bottom is connected with seal receptacle top, and setting is structure as a whole, and seal receptacle bottom is arranged in the concave station, by bullet
Property body and seal receptacle composition vertical section section in " several " font, be provided with sense film on the section of two elastomer tops composition
Piece, elastomer inside top set up the arc block plate of upper end opening, the arc block plate bending angle and the elasticity
Body bending angle is consistent.
3. pressure sensor pedestal according to claim 2, it is characterised in that：The baffle is towards elastomer and seal receptacle
Inside be arranged to stepped, be divided into the first ladder and the second ladder, the second ladder horizontal plane is less than the first step horizontal
Face, the spring upper end are arranged between the second stair-step, and lower spring end is connected through seal receptacle with the first sealing ring.
4. pressure sensor pedestal according to claim 3, it is characterised in that：First stair-step and arc block plate
Connection is provided with gap between the first stair-step and elastomer upper end, arcuately catch moves up and down the elasticity physical efficiency.
5. pressure sensor pedestal according to claim 3, it is characterised in that：Second stair-step and elastomer it
Between be additionally provided with spring base, be provided with gap between the spring base lower end and seal receptacle, spring base can second step with
It is moved up and down between elastomer.
6. pressure sensor pedestal according to claim 5, it is characterised in that：The spring base upper surface is inclined-plane, the
The second sealing ring is provided between one stair-step and elastomer, the second sealing ring lower face is engaged with the inclined-plane.
7. pressure sensor pedestal according to claim 1, it is characterised in that：The sealing groove shape is circular or ellipse
It is circular.
8. pressure sensor pedestal according to claim 1, it is characterised in that：The baffle bottom passes through with the pedestal
Screw is fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721435922.0U CN207408038U (en) | 2017-11-01 | 2017-11-01 | A kind of pressure sensor pedestal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721435922.0U CN207408038U (en) | 2017-11-01 | 2017-11-01 | A kind of pressure sensor pedestal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207408038U true CN207408038U (en) | 2018-05-25 |
Family
ID=62408597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721435922.0U Expired - Fee Related CN207408038U (en) | 2017-11-01 | 2017-11-01 | A kind of pressure sensor pedestal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207408038U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109326552A (en) * | 2018-11-02 | 2019-02-12 | 上海华力微电子有限公司 | A kind of pedestal convenient for safeguarding |
-
2017
- 2017-11-01 CN CN201721435922.0U patent/CN207408038U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109326552A (en) * | 2018-11-02 | 2019-02-12 | 上海华力微电子有限公司 | A kind of pedestal convenient for safeguarding |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180525 Termination date: 20191101 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |