CN213239157U - Supporting leg weighing sensor - Google Patents
Supporting leg weighing sensor Download PDFInfo
- Publication number
- CN213239157U CN213239157U CN202022647442.9U CN202022647442U CN213239157U CN 213239157 U CN213239157 U CN 213239157U CN 202022647442 U CN202022647442 U CN 202022647442U CN 213239157 U CN213239157 U CN 213239157U
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- China
- Prior art keywords
- base
- accommodating cavity
- boss
- fastener
- load cell
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Abstract
The utility model discloses a stabilizer blade weighing sensor, include: the method comprises the following steps: the device comprises a base, a fastener, a connecting piece and a supporting ball; a first accommodating cavity is formed in the center of the first end face of the base; a first boss is integrally formed at the first bottom of the first accommodating cavity; the second end surface of the first boss is inwards recessed to form a first concave arc surface; a second accommodating cavity is formed in the first boss; the second accommodating cavity penetrates through the third end face of the base; the side wall of the second accommodating cavity is a strain area, and a strain gauge is arranged in the strain area; a first annular boss is integrally formed on the first end surface of the base; the fourth end surface of the connecting piece is inwards sunken to form a second concave cambered surface; the supporting ball is arranged between the first concave cambered surface and the second concave cambered surface; the connecting piece penetrates out of the fastener from the first through hole; the fastener is sleeved on the first annular boss and connected with the base. The utility model discloses in, effectively improve stabilizer blade weighing sensor's structural stability, reduce the hysteresis quality of weighing.
Description
Technical Field
The utility model relates to a weighing sensor field, in particular to stabilizer blade weighing sensor.
Background
At present, the device is used in platform scales, medical devices and other devices, most of the devices adopt support legs to support the devices, sensors are fixed in the devices to carry out weighing, the support legs and the weighing sensors are independent from each other, corresponding structures are additionally arranged in the devices to be connected with the weighing sensors, and the support legs are specially used for moving, supporting and adjusting the level of the devices; the traditional foot weighing sensor generally has the problems of poor stability and large hysteresis.
SUMMERY OF THE UTILITY MODEL
There is a defect in view of prior art existence, the utility model aims to solve the technical problem that a stabilizer blade weighing sensor is provided, aim at improving stabilizer blade weighing sensor's the hysteresis quality of weighing, improve stabilizer blade weighing sensor's structural stability.
In order to achieve the above object, the utility model provides a stabilizer blade weighing sensor, include: the device comprises a base, a fastener, a connecting piece and a supporting ball; a first accommodating cavity is formed in the center of the first end face of the base; a first boss is integrally formed at the first bottom of the first accommodating cavity; the second end face of the first boss is inwards recessed to form a first concave arc face; a second accommodating cavity is formed in the first boss; the second accommodating cavity penetrates through the third end face of the base; the side wall of the second accommodating cavity is a strain area, and a strain gauge is arranged in the strain area; a first annular boss is integrally formed on the first end face of the base; the fourth end surface of the connecting piece is inwards sunken to form a second concave cambered surface; the support ball is disposed between the first concave arc surface and the second concave arc surface; the fastener is provided with a first through hole; the connecting piece penetrates out of the fastener from the first through hole; the fastener is sleeved on the first annular boss and connected with the base.
In the technical scheme, a first accommodating cavity is formed in the center of the first end face of the base; a first boss is integrally formed at the first bottom of the first accommodating cavity; a second accommodating cavity is formed in the first boss; the second accommodating cavity penetrates through the third end face of the base; the structural stability of the base is effectively improved; in the weighing process, the mechanical strain of the base is effectively reduced, so that the hysteresis of the support leg weighing sensor is improved, and the weighing hysteresis of the support leg weighing sensor is greatly reduced; the strain gauge is arranged in the strain area of the base, and the support leg is weighed, so that weighing errors caused by installation position deviation due to the fact that the strain gauge is arranged at other positions are avoided.
In a specific embodiment, the connecting member is a three-step stepped member composed of a first cylinder, a second cylinder and a third part including the second concave arc surface; the cross section of the third part is gradually increased; the outer surfaces of the first cylinder and the second cylinder are respectively formed with a first external thread and a second external thread.
In another specific embodiment, the first through hole is a circular opening.
In another specific embodiment, the third diameter of the first through hole is smaller than the maximum diameter of the third member.
In a specific embodiment, the cross-sectional areas of the first receiving cavity and the first boss are both circular; a gap is formed between the first accommodating cavity and the first boss.
In one embodiment, the base is a cylindrical base.
In one embodiment, the fastener is formed with a first internal thread; a first external thread matched with the first internal thread is formed on the first annular boss; the fastener is in threaded connection with the base through the first internal thread and the first external thread.
In a specific embodiment, the supporting foot weighing sensor further comprises a cavity cover; the opening edge of the second accommodating cavity is inwards sunken to form a connecting part; the cavity cover of the second accommodating cavity is installed on the connecting part.
The utility model has the advantages that: in the utility model, a first containing cavity is arranged at the center of the first end surface of the base; a first boss is integrally formed at the first bottom of the first accommodating cavity; a second accommodating cavity is formed in the first boss; the second accommodating cavity penetrates through the third end face of the base; the structural stability of the base is effectively improved; in the weighing process, the mechanical strain of the base is effectively reduced, so that the hysteresis of the support leg weighing sensor is improved, and the weighing hysteresis of the support leg weighing sensor is greatly reduced; the strain gauge is arranged in the strain area of the base, and the support leg is weighed, so that weighing errors caused by installation position deviation due to the fact that the strain gauge is arranged at other positions are avoided.
Drawings
Fig. 1 is a schematic cross-sectional view of a base according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a connector and fastener according to an embodiment of the present invention;
fig. 3 is a schematic cross-sectional view of a support ball according to an embodiment of the present invention.
Detailed Description
The invention will be further explained with reference to the following figures and examples:
as shown, in an embodiment of the present invention, a support leg weighing sensor is provided, including: base 100, fastener 200, connecting piece 300, support ball 400; a first accommodating cavity 101 is formed in the center of the first end surface of the base 100; a first boss 102 is integrally formed at the first bottom of the first accommodating cavity 101; the second end surface of the first boss 102 is recessed inwards to form a first concave arc surface; a second accommodating cavity 103 is formed in the first boss 102; the second accommodating cavity 103 penetrates through to a third end surface of the base 100; the side wall of the second accommodating cavity 103 is a strain area 104, and a strain sheet is arranged on the strain area 104; a first annular boss 105 is integrally formed on the first end surface of the base 100; the first inner diameter of the first annular boss 105 is equal to the second diameter of the first accommodating cavity 101; the fourth end surface of the connecting piece 300 is recessed inwards to form a second concave cambered surface; the connecting member 300 is a stepped member having a gradually increasing cross-sectional area; the support ball 400 is disposed between the first concave arc surface and the second concave arc surface; the fastener 200 is provided with a first through hole; the connecting piece 300 penetrates out of the fastener 200 from the first through hole; the fastening member 200 is sleeved on the first annular boss 105 and connected to the base 100.
In this embodiment, the connecting member 300 is the stepped member having a three-step shape, which is composed of a first cylinder, a second cylinder and a third part including the second concave arc surface; the cross section of the third part is gradually increased; the outer surfaces of the first cylinder and the second cylinder are respectively formed with a first external thread and a second external thread.
In another embodiment, the first through hole is a circular opening.
In another embodiment, the third diameter of the first through hole is smaller than the maximum diameter of the third member.
In this embodiment, the cross-sectional areas of the first receiving cavity 101 and the first boss 102 are both circular; a gap is formed between the first receiving cavity 101 and the first boss 102.
In this embodiment, the base 100 is a cylindrical base 100.
In the present embodiment, the fastener 200 is formed with a first internal thread; the first annular boss 105 is formed with a first external thread matching the first internal thread; the fastening member 200 is threadedly coupled to the base 100 through the first internal thread and the first external thread.
In this embodiment, the leg weighing sensor further includes a cavity cover; an inwardly recessed connection portion at an opening edge of the second receiving chamber 103; the chamber cover of the second receiving chamber 103 is installed at the connecting portion.
Specific embodiments of the present invention have been described above in detail. It is to be understood that the specific embodiments of the invention are not exclusive and that numerous modifications and variations may be made by those skilled in the art in light of the teaching of the present invention within the scope of the appended claims. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the embodiments of the present invention should be within the scope of protection defined by the claims.
Claims (8)
1. Stabilizer blade weighing sensor, its characterized in that includes: the device comprises a base, a fastener, a connecting piece and a supporting ball; a first accommodating cavity is formed in the center of the first end face of the base; a first boss is integrally formed at the first bottom of the first accommodating cavity; the second end face of the first boss is inwards recessed to form a first concave arc face; a second accommodating cavity is formed in the first boss; the second accommodating cavity penetrates through the third end face of the base; the side wall of the second accommodating cavity is a strain area, and a strain gauge is arranged in the strain area; a first annular boss is integrally formed on the first end face of the base; the fourth end surface of the connecting piece is inwards sunken to form a second concave cambered surface; the support ball is disposed between the first concave arc surface and the second concave arc surface; the fastener is provided with a first through hole; the connecting piece penetrates out of the fastener from the first through hole; the fastener is sleeved on the first annular boss and connected with the base.
2. The foot load cell according to claim 1, wherein said connecting member is said stepped member in a three-step shape composed of a first cylinder, a second cylinder, and a third part including said second concave curved surface; the cross section of the third part is gradually increased; the outer surfaces of the first cylinder and the second cylinder are respectively formed with a first external thread and a second external thread.
3. The foot load cell according to claim 2, wherein the first through hole is a circular opening.
4. The foot load cell of claim 3, wherein the third diameter of the first through hole is less than the maximum diameter of the third member.
5. The leg load cell of claim 1, wherein the cross-sectional areas of the first receiving cavity and the first boss are both circular; a gap is formed between the first accommodating cavity and the first boss.
6. The foot load cell of claim 1, wherein said base is a cylindrical base.
7. The foot load cell according to claim 1, wherein the fastener is formed with a third internal thread; a third external thread matched with the third internal thread is formed on the first annular boss; the fastener is in threaded connection with the base through the third internal thread and the third external thread.
8. The foot load cell according to claim 1, further comprising a cavity cover; the opening edge of the second accommodating cavity is inwards sunken to form a connecting part; the cavity cover of the second accommodating cavity is installed on the connecting part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022647442.9U CN213239157U (en) | 2020-11-16 | 2020-11-16 | Supporting leg weighing sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022647442.9U CN213239157U (en) | 2020-11-16 | 2020-11-16 | Supporting leg weighing sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213239157U true CN213239157U (en) | 2021-05-18 |
Family
ID=75882366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022647442.9U Expired - Fee Related CN213239157U (en) | 2020-11-16 | 2020-11-16 | Supporting leg weighing sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213239157U (en) |
-
2020
- 2020-11-16 CN CN202022647442.9U patent/CN213239157U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210518 Termination date: 20211116 |