CN217637757U - Low-height double-flange-surface high-precision sensor - Google Patents
Low-height double-flange-surface high-precision sensor Download PDFInfo
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- CN217637757U CN217637757U CN202221769543.6U CN202221769543U CN217637757U CN 217637757 U CN217637757 U CN 217637757U CN 202221769543 U CN202221769543 U CN 202221769543U CN 217637757 U CN217637757 U CN 217637757U
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- 238000009434 installation Methods 0.000 claims abstract description 50
- 230000005540 biological transmission Effects 0.000 claims abstract description 24
- 229920001971 elastomer Polymers 0.000 claims abstract description 6
- 239000000806 elastomer Substances 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 16
- 239000011888 foil Substances 0.000 claims description 3
- 238000005259 measurement Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 239000003381 stabilizer Substances 0.000 description 5
- 230000008054 signal transmission Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The utility model relates to the field of sensors, in particular to a low-height double-flange-surface high-precision sensor, which comprises a sleeve, a sensor elastic body, a wire fixing piece and a transmission piece; wherein, the installation cavity has been seted up to the sleeve, and the sensor elastomer sets up in the installation cavity, and transmission piece connects in telescopic outer wall, and solidus spare cup joints in one side that transmission piece is close to near the sleeve outer wall, and solidus spare is used for reducing the unusual condition of transmission piece signal emergence. In the present embodiment, the sensor elastic body is a sensor of a shear force type, thereby improving the accuracy of the entire force sensor.
Description
Technical Field
The application relates to the field of sensors, in particular to a double-flange-face high-precision sensor with low height.
Background
At present, in the manufacturing or using process of some large-scale equipment, the assembly efficiency of the bearing and the shaft and the control cost are often required to be considered, so that the force applied to the bearing by the large-scale equipment in the operation process needs to be controlled. When excessive force is applied to the bearing, the small shaft, the bearing or the shaft sleeve and other parts can be deformed and even directly damaged. Therefore, a new high-precision pressure sensor is urgently needed to assist in controlling the magnitude of the applied force, and further, the production efficiency and the product yield are improved.
Aiming at the related technology, the problem that the precision of the force sensor is not high exists.
SUMMERY OF THE UTILITY MODEL
In order to improve the measurement accuracy of force cell sensor, this application provides a two flange face high accuracy sensor of low-height.
A low-height double-flange-surface high-precision sensor comprises a sensor elastic body, a sleeve and a transmission piece, wherein the sleeve is provided with an installation cavity, the sensor elastic body is arranged in the installation cavity, and the transmission piece is connected to the outer wall of the sleeve; the sensor elastomer comprises a first installation part, a connection part and a second installation part, one end of the connection part is connected with one end of the first installation part, the other end of the connection part is connected with the other end of the second installation part, the first installation part and the second installation part are horizontally arranged, the connection part is vertically arranged, and a groove for installing the strain gauge is formed in the connection part.
By adopting the technical scheme, the transmission piece can support and press the detection source in the using process, then the transmission piece is used for transmitting signals, and the opening of the groove faces to the horizontal position, so that the force sensor adopts a shear force type sensor, and the precision of the whole force sensor is improved. Also, it can be used for a wide range of sensors.
Optionally, the centers of the first installation part, the connecting part and the second installation part are all located on the same vertical straight line, and the first installation part, the connecting part and the second installation part are all symmetrically arranged along the central straight line thereof.
Through adopting above-mentioned technical scheme, because the center of first installation department, connecting portion and second installation department all is located same vertical straight line and the symmetry sets up, so, when first installation department received pressure, connecting portion and second installation department all are even atress to maintain whole sensor's precision.
Optionally, the connecting portion includes a first connecting surface and a second connecting surface, the recess is provided with a plurality of groups, one or more groups the recess is provided on the first connecting surface, one or more groups the recess is provided on the second connecting surface, the number of the recesses on the first connecting surface is the same as the number of the recesses on the second connecting surface, and the recesses on the first connecting surface coincide with the horizontal projection of the recesses on the second connecting surface.
Through adopting above-mentioned scheme, the recess quantity and the horizontal projection position of both sides are the same, so foil gage strain degree in the sensor equals to make foil gage deformation equal, and then maintain force sensor's high accuracy.
Optionally, connecting portion still include boss, mount table and stabilizer blade, the one end of boss is connected in the one end of mount table, the other end of mount table is connected in the one end of stabilizer blade, the boss support press in first installation department, the stabilizer blade support press in the second installation department, the boss set up in middle part one side of mount table, the central line of boss with the central line of mount table is located same vertical straight line, the stabilizer blade is provided with two sets ofly, two sets of the stabilizer blade is followed the central line symmetry of mount table sets up.
Through adopting above-mentioned technical scheme, the setting up of mount table and boss is favorable to trompil and the structure that the bolt is difficult for destroying connecting portion on first installation department to maintain connecting portion atress effect, and then maintain force sensor's precision. And the support legs are arranged in two groups, and the two groups of center lines are symmetrical, so that when pressure is transmitted to the second mounting part from the connecting part, the stress of the second mounting part is balanced, and the reduction of the precision of the force sensor caused by the inclination of the second mounting part is reduced.
Optionally, first installation department flange joint in the chamber top of installation cavity, the second installation department with the bottom surface parallel and level setting of installation cavity.
Through adopting above-mentioned technical scheme, flange joint can improve the leakproofness of installation cavity to reduce outside foreign matter and get into the installation cavity, influence the condition emergence that sensor sensing effect is unusual. The ground parallel and level of second installation department and installation cavity is favorable to sealed installation cavity, and maintains telescopic length.
Optionally, the sensor elastomer further comprises a sealing part, the sealing part is arranged on one side of the connecting part, away from the second installation part, the horizontal cross-sectional area of the sealing part is larger than that of the second installation part, and the sealing part is used for flange connection at the bottom of the cavity of the installation cavity.
Through adopting above-mentioned technical scheme, the leakproofness of telescopic can be improved to the sealing, maintains that the sensor is difficult to be disturbed by the external world.
Optionally, the transmission device further comprises a wire fixing member, and the wire fixing member is arranged on one side of the transmission member close to the sleeve member.
By adopting the technical scheme, the wire fixing piece can reduce the abnormal condition of the transmission piece in the signal transmission process, and the signal transmission stability of the transmission piece is maintained.
Optionally, the confession has been seted up to the last top surface of first installation department flange joint's flange hole, the flange hole is provided with the multiunit, multiunit the flange hole is followed the central circumference evenly distributed of first installation department.
Through adopting above-mentioned technical scheme, because flange hole evenly distributed, so at flange joint's in-process, can avoid first installation department center both sides structure difference to form the inaccurate condition of measurement.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the transmission piece can support and press the detection source in the use process, then signal transmission is carried out through the transmission piece, and the opening of the groove faces to the horizontal position, so that the force sensor adopts a shear force type sensor, and the accuracy of the whole force sensor is improved. Also, it can be used for a wide range of sensors.
2. Because the center of first installation department, connecting portion and second installation department all is located same vertical straight line and the symmetry sets up, so, when first installation department received pressure, connecting portion and second installation department all are even atress to maintain whole sensor's precision.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.
Fig. 2 is an exploded view of the structure of the embodiment of the present application.
Fig. 3 is a schematic structural diagram of a sensor elastic body according to an embodiment of the present application.
Description of reference numerals: 1. a sleeve; 11. a mounting cavity; 2. a sensor elastomer; 21. a first mounting portion; 211. a flange hole; 22. a connecting portion; 221. a boss; 222. a mounting table; 2221. a first connection face; 2222. a second connection face; 223. a leg; 23. a second mounting portion; 24. a sealing part; 3. a wire fixing member; 4. a transmission member; 5. a groove; 51. a first open slot; 52. a second open slot.
Detailed Description
The present application is described in further detail below with reference to fig. 1-3.
The application example discloses a double-flange-face high-precision sensor with low height, which is used for improving the measurement precision of a force measurement sensor.
Referring to fig. 1 and 2, a low-height double-flange-surface high-precision sensor comprises a sleeve 1, a sensor elastic body 2, a wire fixing piece 3 and a transmission piece 4; wherein, mounting cavity 11 has been seted up to sleeve 1, and sensor elastomer 2 sets up in mounting cavity 11, and transmission piece 4 is connected in sleeve 1's outer wall, and solidus 3 cup joints in transmission piece 4 and is close to in one side of sleeve 1 outer wall, and solidus 3 is used for reducing the condition that transmission piece 4 signals take place unusually. In the present embodiment, the sensor elastic body 2 is a sensor of a shear force type, thereby improving the accuracy of the entire force sensor.
Referring to fig. 2 and 3, in order to improve the sealing ability of the installation cavity 11. In the present embodiment, the sensor elastic body 2 includes a first mounting portion 21, a connecting portion 22, a second mounting portion 23, and a sealing portion 24, wherein one end of the first mounting portion 21 is connected to one end of the connecting portion 22, the other end of the connecting portion 22 is connected to one end of the second mounting portion 23, and the other end of the second mounting portion 23 is connected to one end of the sealing portion 24. The upper top surface of the first mounting portion 21 is provided with flange holes 211 for flange connection of the first mounting portion 21, in this embodiment, four groups of flange holes 211 are provided, and the four groups of flange holes 211 are uniformly distributed along the central circumference of the first mounting portion 21; furthermore, the first mounting portion 21 is flanged to the top of the mounting cavity 11, the bottom of the second mounting portion 23 is flush with the opening of the mounting cavity 11, the sealing portion 24 protrudes out of the mounting cavity 11, and the sealing portion 24 is flanged to the side wall of the mounting cavity 11.
Referring to fig. 2 and 3, in order to maintain the force measurement accuracy of the load cell, in the present embodiment, the first mounting portion 21, the second mounting portion 23, and the sealing portion 24 are each a cylindrical body, and the connecting portion 22 is a rectangular body. The connecting portion 22 includes a boss 221, a mounting table 222, and a leg 223, wherein the boss 221 is pressed against the first mounting portion 21, one end of the mounting table 222 is connected to one end of the boss 221, and the other end of the mounting table 222 is connected to one end of the leg 223. In this embodiment, the central line of the boss 221 and the central line of the connecting portion 22 are located on the same vertical straight line, the two sets of support legs 223 are provided, the two sets of support legs 223 are connected to the mounting table 222, and the two sets of support legs 223 are symmetrically arranged along the central line of the mounting table 222. Therefore, when the sensor elastic body 2 is stressed, the stress on the two sides of the central line is equal, and the force measurement accuracy of the force measurement sensor is further maintained.
Referring to fig. 2 and 3, in order to improve the force measurement accuracy of the load cell. In this embodiment, the mounting table 222 includes a first connecting surface 2221 and a second connecting surface 2222, the first connecting surface 2221 and the second connecting surface 2222 are vertically disposed, and the first connecting surface 2221 and the second connecting surface 2222 are both provided with a groove 5. In the present embodiment, the groove 5 includes two first opening grooves 51 on the first connecting surface 2221 and two second opening grooves 52 on the second connecting surface 2222, and the first opening grooves 51 are provided in two sets, and the second opening grooves 52 are also provided in two sets, and the projections of the two sets of first opening grooves 51 and the two sets of second opening grooves 52 in the horizontal direction coincide. The first opening groove 51 and the second opening groove 52 are used for placing the force-supplying sensing piece, so that a sensor of a shear force type is realized, and the force measuring precision of the force measuring sensor is improved. Also, in the present embodiment, in order to maintain the placement of the sensing piece, the first opening groove 51 is not communicated with the second opening groove 52. In another embodiment, the first opening groove 51 communicates with the second opening groove 52.
The implementation principle of the embodiment is as follows: the transmission piece 4 can be pressed against the detection source in the using process, then signal transmission is carried out through the transmission piece 4, and the opening of the groove 5 faces to the horizontal position, so that the force sensor adopts a shear force type sensor, and the precision of the whole force sensor is improved. Moreover, it can be used for a wide range of sensors.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The low-height double-flange-surface high-precision sensor is characterized by comprising a sensor elastic body (2), a sleeve (1) and a transmission piece (4), wherein the sleeve (1) is provided with an installation cavity (11), the sensor elastic body (2) is arranged in the installation cavity (11), and the transmission piece (4) is connected to the outer wall of the sleeve (1); sensor elastomer (2) include first installation department (21), connecting portion (22) and second installation department (23), the one end of connecting portion (22) connect in the one end of first installation department (21), the other end of connecting portion (22) connect in the other end of second installation department (23), first installation department (21) and second installation department (23) level are placed, connecting portion (22) are vertical to be placed, offer recess (5) that supply the foil gage installation on connecting portion (22).
2. A low-height, double-flange, high-accuracy sensor according to claim 1, wherein the centers of the first mounting portion (21), the connecting portion (22) and the second mounting portion (23) are all located on the same vertical line, and the first mounting portion (21), the connecting portion (22) and the second mounting portion (23) are all arranged in line symmetry along the centers thereof.
3. A low-height double flange face high-precision sensor according to claim 2, wherein said connecting portion (22) comprises a first connecting face (2221) and a second connecting face (2222), said grooves (5) are provided in a plurality of sets, one or more sets of said grooves (5) are provided on said first connecting face (2221), one or more sets of said grooves (5) are provided on said second connecting face (2222), the number of said grooves (5) on said first connecting face (2221) is the same as the number of said grooves (5) on said second connecting face (2222), and the horizontal projections of said grooves (5) on said first connecting face (2221) and said grooves (5) on said second connecting face (2222) coincide.
4. A low-height double-flange-face high-precision sensor according to claim 3, wherein the connecting portion (22) further comprises a boss (221), a mounting table (222) and support legs (223), one end of the boss (221) is connected to one end of the mounting table (222), the other end of the mounting table (222) is connected to one end of the support legs (223), the boss (221) is pressed against the first mounting portion (21), the support legs (223) are pressed against the second mounting portion (23), the boss (221) is arranged on one side of the middle portion of the mounting table (222), the center line of the boss (221) and the center line of the mounting table (222) are located on the same vertical straight line, two groups of the support legs (223) are arranged, and the two groups of the support legs (223) are symmetrically arranged along the center line of the mounting table (222).
5. A low-height, double-flanged, high-accuracy sensor according to claim 1, where the first mounting portion (21) is flanged to the ceiling of the mounting cavity (11), and the second mounting portion (23) is flush with the bottom surface of the mounting cavity (11).
6. A low-height double-flange-face high-precision sensor according to claim 5, wherein the sensor elastic body (2) further comprises a sealing part (24), the sealing part (24) is arranged on one side of the second mounting part (23) far away from the connecting part (22), the horizontal cross-sectional area of the sealing part (24) is larger than that of the second mounting part (23), and the sealing part (24) is used for flange connection with the bottom of the mounting cavity (11).
7. A low-height double-flanged high-precision sensor according to claim 1, further comprising a wire fixing member (3), wherein the wire fixing member (3) is disposed on the side of the transmission member (4) close to the sleeve (1).
8. The low-height double-flange-surface high-precision sensor is characterized in that flange holes (211) for flange connection of the first mounting portion (21) are formed in the upper top surface of the first mounting portion (21), a plurality of groups of the flange holes (211) are formed, and the plurality of groups of the flange holes (211) are uniformly distributed along the circumferential direction of the center of the first mounting portion (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221769543.6U CN217637757U (en) | 2022-07-09 | 2022-07-09 | Low-height double-flange-surface high-precision sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221769543.6U CN217637757U (en) | 2022-07-09 | 2022-07-09 | Low-height double-flange-surface high-precision sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217637757U true CN217637757U (en) | 2022-10-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221769543.6U Active CN217637757U (en) | 2022-07-09 | 2022-07-09 | Low-height double-flange-surface high-precision sensor |
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| Country | Link |
|---|---|
| CN (1) | CN217637757U (en) |
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2022
- 2022-07-09 CN CN202221769543.6U patent/CN217637757U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231010 Address after: 518000, 1st to 2nd floors, Building 101, Building 17, Industrial Zone 228, Silian Community, Henggang Street, Longgang District, Shenzhen City, Guangdong Province (i.e. Building A02, Dayun AI Town) Patentee after: Shenzhen xinjingcheng Sensor Technology Co.,Ltd. Address before: 518172 101, Building 17, 228 Industrial Zone, Silian Community, Henggang Street, Longgang District, Shenzhen, Guangdong Province (one of the first and second floors) Patentee before: SHENZHEN XJC TECHNOLOGY CO.,LTD. |
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| TR01 | Transfer of patent right |