CN210071208U - Push-in bidirectional variable resistance pressure sensor structure - Google Patents
Push-in bidirectional variable resistance pressure sensor structure Download PDFInfo
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- CN210071208U CN210071208U CN201920993959.8U CN201920993959U CN210071208U CN 210071208 U CN210071208 U CN 210071208U CN 201920993959 U CN201920993959 U CN 201920993959U CN 210071208 U CN210071208 U CN 210071208U
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- pressure sensor
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- 230000002457 bidirectional effect Effects 0.000 title description 5
- 239000004020 conductor Substances 0.000 claims abstract description 37
- 239000000758 substrate Substances 0.000 claims abstract description 13
- 239000012528 membrane Substances 0.000 claims abstract description 9
- 238000012544 monitoring process Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 230000008859 change Effects 0.000 abstract description 3
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The utility model discloses a push pressure sensor structure of two-way varistor relates to the pressure sensing device field. The utility model discloses in: the other end side of the movable ejector rod is connected with an inner propelling truncated cone; a fourth elastic sheet for elastically supporting a fourth limiting plate is fixedly arranged on the first inner supporting plate; a third elastic sheet for elastically supporting a third movable connecting rod is fixedly arranged on the inner side of the second side supporting frame; one side of the third end side connecting substrate is vertically connected with a third contact connecting plate matched with the inner side propelling cone; a third conductor base rod is vertically connected to the third contact connecting plate; a third end side conductor is arranged at one end side of the third conductor base rod; includes a fixed resistor plate in sliding contact with the third terminal side conductor. The utility model discloses when the activity of terminal side conduction membrane for the third end side conductor is firm slides at fixed resistance board, and then stable/linear change return circuit resistance, makes monitoring, the sensing of sensor more stable accurate.
Description
Technical Field
The utility model relates to a pressure sensing device field especially relates to a push pressure sensor structure of two-way varistor.
Background
A pressure sensor is a device or apparatus that senses a pressure signal and converts the pressure signal into a usable output electrical signal according to a certain rule. The piezoresistive pressure sensor is a very common pressure sensor, the cost of the sensor is low, the application is very wide, the resistance strain gauge is one of main components of the piezoresistive pressure sensor, and the working principle of the metal resistance strain gauge is that the resistance value of a strain resistor adsorbed on a base material is changed along with mechanical deformation. In monitoring, the sensing process in the piezoresistive pressure sensor, the stability of conduction determines the precision and the life of the sensor, how to further promote the stability of the internal monitoring conduction of the traditional piezoresistive pressure sensor, and the internal monitoring precision of the sensor is promoted, so that the problem to be solved is solved.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a push pressure sensor structure of two-way varistor to when the activity of lateral conduction membrane, make the firm slip at the fixed resistance board of third end side conductor, and then stable/linear change return circuit resistance, make monitoring, the sensing of sensor more stable accurate.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
the utility model provides a push-in bidirectional rheostatic pressure sensor structure, which comprises an external shell, wherein the inner side of the external shell is fixedly provided with a first inner side supporting plate; a movable ejector rod vertical to the first inner supporting plate is movably arranged on the first inner supporting plate; one end side of the movable ejector rod is connected with an end side conduction membrane; the other end side of the movable ejector rod is connected with an inner propelling truncated cone; the movable ejector rod is provided with a fourth limiting plate positioned between the first inner side supporting plate and the end side conducting film; and a fourth elastic sheet for elastically supporting the fourth limiting plate is fixedly arranged on the first inner side supporting plate.
The inner side of the outer shell is fixedly provided with two pairs of second side supporting frames positioned at the two sides of the inner propelling truncated cone; a third movable connecting rod is movably arranged on the second side supporting frame; a third elastic sheet for elastically supporting a third movable connecting rod is fixedly arranged on the inner side of the second side supporting frame; the pair of third movable connecting rods at the same side are connected with a third end side connecting substrate together; one side of the third end side connecting substrate is vertically connected with a third contact connecting plate matched with the inner side propelling cone; a third conductor base rod is vertically connected to the third contact connecting plate; a third end side conductor is arranged at one end side of the third conductor base rod; includes a fixed resistor plate in sliding contact with the third terminal side conductor.
As a preferred technical scheme of the utility model, the ring side of the third end side conductor is provided with a conductor output connecting bulge; and a resistance plate fixing substrate connected with the fixed resistance plate is fixedly arranged on the inner side of the outer shell.
As a preferable technical solution of the present invention, the end side of the third contact link plate is in sliding contact with the ring side of the inner thrust truncated cone; the end side surface structure of the third contact connecting plate is matched with the ring side surface of the inner propelling cone body.
As a preferred technical scheme of the utility model, a first movable through groove matched with the movable ejector rod is arranged on the first inner side supporting plate; and a third movable through groove matched with the third movable connecting rod is formed in the second side supporting frame.
As a preferred technical scheme of the utility model, the distolateral third end limit plate that is equipped with third elastic sheet matched with of third movable connecting rod.
As an optimal technical solution of the present invention, the movable/sliding range of the third conductor base rod is matched with the span range of the fixed resistance plate.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a set up second avris braced frame, elastic mounting third movable connecting rod on second avris braced frame, and then carry out elastic support to third contact even board third conductor base pole, and set up the inboard propulsion cone that links to each other with the activity ejector pin, thereby when the activity of terminal side conduction membrane, make the third terminal conductor firm slide at fixed resistance board, and then stable/linear change return circuit resistance, make the monitoring of sensor, the sensing is more stable accurate.
Drawings
Fig. 1 is a schematic structural view of a push-in bidirectional varistor pressure sensor according to the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
wherein: 1-an outer housing; 2-a first medial support plate; 3-movable ejector rods; a 4-end side conductive membrane; 5-pushing the cone body on the inner side; 6-a second lateral support frame; 7-a third movable connecting rod; 8-a third end side connecting substrate; 9-a third contact link plate; 10-a third conductor base rod; 11-a third end side conductor; 12-conductor output connection bumps; 13-fixed resistance plate; 14-resistor plate fixing substrate; 15-a first movable through slot; 16-a fourth limiting plate; 17-a fourth resilient sheet; 18-a third movable through slot; 19-a third end side limiting plate; 20-third elastic sheet.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The utility model relates to a push-in bidirectional rheostatic pressure sensor structure, which comprises an external shell 1, wherein the inner side of the external shell 1 is fixedly provided with a first inner side supporting plate 2; the first inner supporting plate 2 is movably provided with a movable mandril 3 vertical to the first inner supporting plate 2; one end side of the movable ejector rod 3 is connected with an end side conduction membrane 4; the other end side of the movable ejector rod 3 is connected with an inner side propelling circular truncated cone body 5; the movable ejector rod 3 is provided with a fourth limiting plate 16 positioned between the first inner side supporting plate 2 and the end side conducting film 4; a fourth elastic sheet 17 for elastically supporting the fourth limiting plate 16 is fixed on the first inner supporting plate 2.
The inner side of the outer shell 1 is fixedly provided with two pairs of second side supporting frames 6 positioned at the two sides of the inner propelling truncated cone 5; a third movable connecting rod 7 is movably arranged on the second side supporting frame 6; a third elastic sheet 20 for elastically supporting the third movable connecting rod 7 is fixedly arranged at the inner side of the second side supporting frame 6; a pair of third movable connecting rods 7 on the same side are connected with a third end side connecting substrate 8 together; one side of the third end side connecting substrate 8 is vertically connected with a third contact connecting plate 9 matched with the inner side propelling cone 5; a third conductor base rod 10 is vertically connected to the third contact connecting plate 9; a third end side conductor 11 is arranged at one end side of the third conductor base rod 10; including a fixed resistive plate 13 in sliding contact with the third terminal side conductor 11.
Further, a conductor output connecting protrusion 12 is arranged on the ring side of the third end side conductor 11; a resistance plate fixing substrate 14 connected to the fixed resistance plate 13 is fixed to the inside of the outer case 1.
Further, the end side of the third contact link plate 9 is in sliding contact with the annular side surface of the inner thrust cone 5; the end side structure of the third contact link 9 cooperates with the ring side of the inner thrust cone 5.
Further, a first movable through groove 15 matched with the movable ejector rod 3 is formed in the first inner side supporting plate 2; a third movable through groove 18 matched with the third movable connecting rod 7 is formed on the second side supporting frame 6.
Further, a third end limiting plate 19 matched with a third elastic sheet 20 is arranged at the end side of the third movable connecting rod 7.
Further, the movable/sliding range of the third conductor base rod 10 matches the span range of the fixed resistance plate 13; the third conductor base 10 and the resistor plate fixing substrate 14 are insulating plates.
The utility model discloses in the resistance:
a second side supporting frame 6 is fixedly connected to the inner side of the outer shell 1, a third elastic sheet 20 is arranged on the inner side of the second side supporting frame 6, and a third movable connecting rod 7 arranged on the second side supporting frame 6 is elastically supported and matched, so that elastic supporting and matching of a third contact connecting plate 9/a third conductor base rod 10 are linked;
set up end side conduction membrane 4 at the one end of activity ejector pin 3, the other end connects inboard and impels the cone 5, and when end side conduction membrane 4 moved, inboard impels the cone 5 action for third contact link 9 moves on inboard impels the cone 5, thereby linkage third conductor base pole 10 makes the firm fixed resistance board 13 slip at third end conductor 11, and then the stable resistance that changes between a pair of third end conductor 11.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The utility model provides a push pressure sensor structure of two-way formula varistor which characterized in that:
the device comprises an outer shell (1), wherein a first inner supporting plate (2) is fixedly arranged on the inner side of the outer shell (1);
a movable ejector rod (3) vertical to the first inner side supporting plate (2) is movably arranged on the first inner side supporting plate (2);
one end side of the movable ejector rod (3) is connected with an end side conduction membrane (4);
the other end side of the movable ejector rod (3) is connected with an inner propelling truncated cone body (5);
a fourth limiting plate (16) positioned between the first inner side supporting plate (2) and the end side conducting film (4) is arranged on the movable ejector rod (3);
a fourth elastic sheet (17) for elastically supporting a fourth limiting plate (16) is fixedly arranged on the first inner side supporting plate (2);
the inner side of the outer shell (1) is fixedly provided with two pairs of second side supporting frames (6) which are positioned at two sides of the inner propelling truncated cone body (5);
a third movable connecting rod (7) is movably arranged on the second side supporting frame (6);
a third elastic sheet (20) for elastically supporting a third movable connecting rod (7) is fixedly arranged on the inner side of the second side supporting frame (6);
a pair of third movable connecting rods (7) at the same side are connected with a third end side connecting substrate (8) together;
one side of the third end side connecting substrate (8) is vertically connected with a third contact connecting plate (9) matched with the inner side propelling cone body (5);
a third conductor base rod (10) is vertically connected to the third contact connecting plate (9);
a third end side conductor (11) is arranged on one end side of the third conductor base rod (10);
comprises a fixed resistor plate (13) in sliding contact with the third terminal side conductor (11).
2. A push-in bi-directional varistor pressure sensor structure according to claim 1, wherein:
a conductor output connecting bulge (12) is arranged on the ring side of the third end side conductor (11);
and a resistance plate fixing substrate (14) connected with the fixed resistance plate (13) is fixedly arranged on the inner side of the outer shell (1).
3. A push-in bi-directional varistor pressure sensor structure according to claim 1, wherein:
the end side of the third contact connecting plate (9) is in sliding contact with the annular side surface of the inner propelling cone body (5);
the end side surface structure of the third contact connecting plate (9) is matched with the ring side surface of the inner propelling cone body (5).
4. A push-in bi-directional varistor pressure sensor structure according to claim 1, wherein:
a first movable through groove (15) matched with the movable ejector rod (3) is formed in the first inner side supporting plate (2);
and a third movable through groove (18) matched with the third movable connecting rod (7) is formed in the second side supporting frame (6).
5. A push-in bi-directional varistor pressure sensor structure according to claim 1, wherein:
and a third end side limiting plate (19) matched with the third elastic sheet (20) is arranged at the end side of the third movable connecting rod (7).
6. A push-in bi-directional varistor pressure sensor structure according to claim 1, wherein:
the movable/sliding range of the third conductor base rod (10) is matched with the span range of the fixed resistance plate (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920993959.8U CN210071208U (en) | 2019-06-28 | 2019-06-28 | Push-in bidirectional variable resistance pressure sensor structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920993959.8U CN210071208U (en) | 2019-06-28 | 2019-06-28 | Push-in bidirectional variable resistance pressure sensor structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210071208U true CN210071208U (en) | 2020-02-14 |
Family
ID=69429119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920993959.8U Expired - Fee Related CN210071208U (en) | 2019-06-28 | 2019-06-28 | Push-in bidirectional variable resistance pressure sensor structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210071208U (en) |
-
2019
- 2019-06-28 CN CN201920993959.8U patent/CN210071208U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200214 |