CN209979110U - Tension measuring sensor - Google Patents
Tension measuring sensor Download PDFInfo
- Publication number
- CN209979110U CN209979110U CN201920745165.XU CN201920745165U CN209979110U CN 209979110 U CN209979110 U CN 209979110U CN 201920745165 U CN201920745165 U CN 201920745165U CN 209979110 U CN209979110 U CN 209979110U
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- sensor body
- tension
- tension sensor
- mounting groove
- groove
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Abstract
The utility model discloses a tension force measuring sensor, including the tension sensor body, the top and the bottom of tension sensor body all are provided with the connecting hole, and the inboard of connecting hole all evenly is provided with the draw-in groove, the inside of connecting hole all is provided with the couple, and the outside of couple all is provided with the fixture block with draw-in groove matched with, the one end that the fixture block is close to the tension sensor body all is provided with reset spring, and reset spring is close to the one end of tension sensor body and all is provided with the preforming. The utility model discloses install the force sensor body to be provided with the connecting hole at the top of force sensor body, the draw-in groove through connecting hole inside uses with the cooperation of the fixture block on the couple lateral wall, need not to fix through threaded connection, makes the installation of couple more convenient with the dismantlement, and the setting of the seal structure that inside U type lid of mounting groove, first sealing washer, second sealing washer spring and sealed lid are constituteed can carry out the secondary seal, has improved sealed effect.
Description
Technical Field
The utility model relates to a sensor technical field specifically is tension measuring sensor.
Background
A tension sensor, called a resistance strain sensor, belongs to the weighing sensor series, and is a device for converting a physical signal into a measurable electric signal to be output, wherein the device uses two tension transmitting parts to transmit force, a force sensitive device and two tension transmitting parts are contained in the structure of the tension sensor, a piezoelectric sheet and a piezoelectric sheet gasket are contained in the force sensitive device, and the piezoelectric sheet gasket contains a substrate part and an edge force transmitting part, but the connection mode of a hook and the device is in threaded connection in the use process of the existing tension measuring sensor, the installation and the disassembly are troublesome in the use process, the use is inconvenient, and because the resistance strain sheet is installed in the device, the sealing of an installation groove is crucial, the traditional method only adopts a sealing cover to be matched with a single-group sealing ring for sealing, the sealing effect is poor, the service life of the device is shortened, and in addition, the surface of the, the bearing strength of the device is reduced, and the measuring range of the device is further influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a tension measuring sensor to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the tension measuring sensor comprises a tension sensor body, wherein the top and the bottom of the tension sensor body are provided with connecting holes, the inner sides of the connecting holes are uniformly provided with clamping grooves, the inside of each connecting hole is provided with a hook, the outer side of each hook is provided with a clamping block matched with the clamping groove, one end of each clamping block, close to the tension sensor body, is provided with a reset spring, one end of each reset spring, close to the tension sensor body, is provided with a pressing sheet, one side of the tension sensor body is provided with a mounting groove, the bottom end inside the mounting groove is provided with a resistance strain gauge, one end, close to the resistance strain gauge, inside the mounting groove is provided with a U-shaped cover, the inside of the U-shaped cover is provided with an extrusion spring, one end, close to the resistance strain gauge, outside the U-shaped cover is provided with a second sealing ring, the outside of mounting groove inside is provided with sealed lid, and the inboard threaded connection of sealed lid and mounting groove.
Preferably, four groups of fixture blocks are arranged, and the included angle between adjacent fixture blocks is 90 degrees.
Preferably, the two sides of the tension sensor body are provided with elastic reinforcing plates, the four corners of each elastic reinforcing plate are provided with fixing screws, and the elastic reinforcing plates are in threaded connection with the tension sensor body through the fixing screws.
Preferably, the length of the pressing spring is greater than two times the depth of the U-shaped cover.
Preferably, one side of the sealing cover, which is far away from the tension sensor body, is provided with a straight groove.
Preferably, the inner side of the clamping groove and the bottom of the pressing sheet are both provided with smooth coatings.
Compared with the prior art, the beneficial effects of the utility model are that: this tension force measuring sensor installs the tension sensor body, and be provided with the connecting hole at the top of tension sensor body, draw-in groove through connecting hole inside uses with the cooperation of the fixture block on the couple lateral wall, need not to fix through threaded connection, make the installation and the dismantlement of couple more convenient, the inside U type lid of mounting groove, first sealing washer, the seal structure's of second sealing washer spring and sealed lid constitution setting, can carry out secondary seal, sealing effect has been improved, avoid the entering of dust and water source, the life of device has been increased, the setting of tension sensor body both sides elasticity reinforcing plate, the dynamics of bearing of device has been improved, then the range of device has been increased.
Drawings
Fig. 1 is a schematic diagram of the explosion structure of the present invention;
FIG. 2 is a schematic sectional view of the inside of the mounting groove of the present invention;
FIG. 3 is a schematic cross-sectional view of the inside of the connection hole of the present invention;
fig. 4 is a schematic view of the hook of the present invention.
In the figure: 1. hooking; 2. a clamping block; 3. a tension sensor body; 4. an elastic reinforcing plate; 5. mounting grooves; 6. a set screw; 7. connecting holes; 8. a resistance strain gauge; 9. a U-shaped cover; 10. a first seal ring; 11. A compression spring; 12. a sealing cover; 13. a card slot; 14. a second seal ring; 15. tabletting; 16. a return spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides an embodiment: a tension measuring sensor comprises a tension sensor body 3, wherein the top and the bottom of the tension sensor body 3 are both provided with connecting holes 7, the inner sides of the connecting holes 7 are both uniformly provided with clamping grooves 13, the inside of each connecting hole 7 is provided with a hook 1, the outer side of each hook 1 is provided with a clamping block 2 matched with the corresponding clamping groove 13, one end, close to the tension sensor body 3, of each clamping block 2 is provided with a reset spring 16, one end, close to the tension sensor body 3, of each reset spring 16 is provided with a pressing sheet 15, one side of the tension sensor body 3 is provided with a mounting groove 5, the bottom end, close to the inside of the mounting groove 5, of each mounting groove 5 is provided with a resistance strain gauge 8, one end, close to the resistance strain gauge 8, inside the mounting groove 5 is provided with a U-shaped cover 9, an extrusion spring 11 is arranged, and the one end that keeps away from resistance foil gage 8 in the U type lid 9 outside is provided with first sealing washer 10, and the inside outside of mounting groove 5 is provided with sealed lid 12, and sealed lid 12 and the inboard threaded connection of mounting groove 5.
In this implementation: fixture block 2 is provided with four groups, and the contained angle between the adjacent fixture block 2 is 90, the stability that couple 1 and device are connected has been improved, force sensor body 3's both sides all are provided with elasticity reinforcing plate 4, and the four corners position department of elasticity reinforcing plate 4 all is provided with set screw 6, elasticity reinforcing plate 4 passes through set screw 6 and force sensor body 3 threaded connection, the dynamics of bearing of device has been improved, the length of extrusion spring 11 is greater than the degree of depth of twice U type lid 9, the sealed effect of device has been improved, one side that force sensor body 3 was kept away from to sealed lid 12 is provided with a word groove, the tightening of sealed lid 12 of being convenient for, the inboard of draw-in groove 13 all is provided with smooth coating with preforming 15's bottom, be convenient for couple 1's installation and dismantle.
The working principle is as follows: when the device is used, the bottom of the hook 1 is inserted into the connecting hole 7, the fixture block 2 moves in the clamping groove 13, when the fixture block 2 moves to the bottom of the clamping groove 13, the hook 1 is continuously pressed downwards, the return spring 16 contracts, the pressing sheet 15 is attached to the top of the fixture block 2, then the hook 1 is rotated anticlockwise, the fixture block 2 moves to one end of the clamping groove 13, then the hook 1 is loosened, the return spring 16 at the bottom of the fixture block 2 resets to jack up the fixture block 2, the fixture block 2 is limited in the clamping groove 13, the hook 1 is fixed, in the sealing process of the mounting groove 5, the resistance strain gauge 8 is mounted in the mounting groove 5, then the U-shaped cover 9 is placed in the mounting groove 5 for limiting, then the extrusion spring 11 is placed in the U-shaped cover 9 and is covered with the sealing cover 12, the sealing cover 12 is in threaded connection with the inner side of the mounting groove 5, in the screwing, extrude extrusion spring 11, extrusion spring 11 will do all can transmit on U type lid 9, U type lid 9 extrudees second sealing washer 14, closely laminate second sealing washer 14 and the inboard of mounting groove 5, and simultaneously, the in-process of sealed lid 12 screwing up, extrude first sealing washer 10, carry out double-deck sealed to mounting groove 5, after sealed lid 12 screws up, fix the both sides at the force sensor body respectively with two sets of elasticity reinforcing plates 4 through set screw 6, increase the bearing capacity of device, after the device installation is accomplished, be connected connecting wire and equipment on the force sensor body 3, and hang just between north side object respectively with two sets of couples, measure the pulling force.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. Tension measuring sensor, including tension sensor body (3), its characterized in that: the sensor is characterized in that connecting holes (7) are formed in the top and the bottom of the tension sensor body (3), clamping grooves (13) are uniformly formed in the inner sides of the connecting holes (7), hooks (1) are arranged in the connecting holes (7), clamping blocks (2) matched with the clamping grooves (13) are arranged on the outer sides of the hooks (1), return springs (16) are arranged at the ends, close to the tension sensor body (3), of the clamping blocks (2), pressing sheets (15) are arranged at the ends, close to the tension sensor body (3), of the return springs (16), a mounting groove (5) is formed in one side of the tension sensor body (3), a resistance strain sheet (8) is arranged at the bottom end of the interior of the mounting groove (5), a U-shaped cover (9) is arranged at the end, close to the resistance strain sheet (8), of the interior of the mounting groove (5), and an extrusion spring (11) is arranged in the, one end, close to the resistance strain gauge (8), of the outer side of the U-shaped cover (9) is provided with a second sealing ring (14), one end, far away from the resistance strain gauge (8), of the outer side of the U-shaped cover (9) is provided with a first sealing ring (10), the outer side of the inner portion of the mounting groove (5) is provided with a sealing cover (12), and the sealing cover (12) is in threaded connection with the inner side of the mounting groove (5).
2. The tension measuring sensor of claim 1, wherein: the clamping blocks (2) are provided with four groups, and the included angle between every two adjacent clamping blocks (2) is 90 degrees.
3. The tension measuring sensor of claim 1, wherein: the tension sensor is characterized in that elastic reinforcing plates (4) are arranged on two sides of the tension sensor body (3), fixing screws (6) are arranged at four corners of each elastic reinforcing plate (4), and the elastic reinforcing plates (4) are in threaded connection with the tension sensor body (3) through the fixing screws (6).
4. The tension measuring sensor of claim 1, wherein: the length of the extrusion spring (11) is more than two times the depth of the U-shaped cover (9).
5. The tension measuring sensor of claim 1, wherein: one side of the sealing cover (12) far away from the tension sensor body (3) is provided with a straight groove.
6. The tension measuring sensor of claim 1, wherein: the inner side of the clamping groove (13) and the bottom of the pressing sheet (15) are both provided with smooth coatings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920745165.XU CN209979110U (en) | 2019-05-23 | 2019-05-23 | Tension measuring sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920745165.XU CN209979110U (en) | 2019-05-23 | 2019-05-23 | Tension measuring sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209979110U true CN209979110U (en) | 2020-01-21 |
Family
ID=69263853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920745165.XU Expired - Fee Related CN209979110U (en) | 2019-05-23 | 2019-05-23 | Tension measuring sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209979110U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112179531A (en) * | 2020-08-21 | 2021-01-05 | 蚌埠恒远传感器科技有限公司 | S-shaped pull pressure sensor |
-
2019
- 2019-05-23 CN CN201920745165.XU patent/CN209979110U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112179531A (en) * | 2020-08-21 | 2021-01-05 | 蚌埠恒远传感器科技有限公司 | S-shaped pull pressure sensor |
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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: 20200121 Termination date: 20200523 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |