CN202188887U - Weighing sensor - Google Patents
Weighing sensor Download PDFInfo
- Publication number
- CN202188887U CN202188887U CN2011202542069U CN201120254206U CN202188887U CN 202188887 U CN202188887 U CN 202188887U CN 2011202542069 U CN2011202542069 U CN 2011202542069U CN 201120254206 U CN201120254206 U CN 201120254206U CN 202188887 U CN202188887 U CN 202188887U
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- bearing part
- elastic body
- upper groove
- elastomer
- spherical hollow
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Abstract
The utility model relates to a sensor, more specifically to a weighing sensor which aims to overcome the technical problems that a present weighing sensor has a complex structure, the deformation capability is not ideal enough because of a solid elastomer, more pressure transmission can not be better transmitted to a strain gage and weighing precision is low. The weighing sensor with a simple structure, a strong elastomer deformation capability and more efficient pressure transmission is provided which comprises an elastomer, a strain gage and a base; the base is in connection with the elastomer bottom through a bolt; the elastomer bottom center is hollowed out with a concave-shaped hollow cavity; the strain gage is attached to the top of the hollow cavity; the top center of the elastomer is provided with a convex-shaped upper groove which is clamped with a bearing part; a spherical hollow cavity is provided between the bearing part and the upper groove bottom and is internally provided with a steel ball, the dimension of which is less than or equal to the dimension of the spherical hollow cavity.
Description
Technical field
The utility model relates to a kind of sensor, more specifically to a kind of LOAD CELLS.
Technical background
At present; LOAD CELLS is widely used in all kinds of electronic-weighing equipment such as electronic vehicle weighing apparatus, vapour inspection line, track scale, and it converts measurable electric signal into through the quality signal with weight, and now the most frequently used be exactly resistance strain weighing transducer; Elastic body deforms under the effect of external force; Make attaching foil gauge above that also in company with deforming, its resistance of foil gauge distortion back changes, and converts changes in resistance into electric signal at last.Weighing precision is convenient generally can to improve elastomeric deformability with the ability that passes to foil gauge of pressure or through changing structure through improving elastic body improving, and the Chinese patent notification number is CN201285314Y, and the day for announcing is that the name of the utility model on August 5th, 2009 is called energetically the value side force sensor of weighing; Comprise elastic body, strainometer, can and stressed pressure head; Elastic body is provided with strain bore, and described strainometer is arranged in the strain bore, and can is arranged on the elastomeric outside; Strain bore on the sealing elastomer; Elastomeric upper end is provided with installation base, and described stressed pressure head is arranged on the installation base, though above-mentioned utility model has improved security and reliability of data transmission in survey when being worth energetically; But complex structure; Solid elastic body makes its deformability not ideal enough, can better more pressure not passed to foil gauge simultaneously, and weighing precision is low.
Summary of the invention
The purpose of the utility model is the complex structure that overcomes existing LOAD CELLS; Solid elastic body makes its deformability not ideal enough; Simultaneously can not better more pressure be passed to foil gauge, the technical barrier that weighing precision is low provides a kind of simple in structure; The elastic body deformability is strong, the LOAD CELLS that the pressure transmission efficiency is high.
The utility model solves through following technical proposals: a kind of LOAD CELLS, comprise elastic body, foil gauge, base and cable, and described base is connected with the elastic body bottom through bolt; Described elastic body bottom center place's hollow out forms the cavity of concave shape; Described foil gauge is attached at the top of cavity, and center, described elastic body top is provided with the upper groove that is convex shape, and described upper groove is connected with bearing part; Be provided with spherical hollow space between described bearing part and the upper groove bottom; In the described spherical hollow space steel ball is installed, described ball size is smaller or equal to the size of spherical hollow space, and described cable is connected with elastomer sidewalls.Through changing elastomeric shape; The elastomer portion deformability that is pasted with the foil gauge place is increased; And can be decomposed into a horizontal direction vertical direction at the pressure that the elastomer portion that is pasted with the foil gauge place receives; Therefore the pressure of the pressure ratio vertical direction of horizontal direction can more effectively pass to foil gauge, converts the power of part vertical direction the power of horizontal direction into through steel ball, improves weighing precision.
As preferably, described bearing part bottom center place upwards is recessed to form depression, and described low groove bottom middle is recessed to form lower recess downwards, and described going up caved in and lower recess formation spherical hollow space.Well define the position of steel ball, make steel ball better transmit pressure from bearing part.
As preferably, has the space between described bearing part bottom surface and the upper groove bottom surface.Avoid bearing part descending conflict elastic body when bearing pressure, and then make the pressure of vertical direction directly act on elastic body, improve weighing precision.
As preferably, described bearing part is cylindric, matches with upper groove in described bearing part bottom, and described bearing part top is provided with groove.Make weight better pressure put on LOAD CELLS through groove.
As preferably, described groove floor middle is provided with through hole, and the central shaft of described through hole overlaps with the central shaft of bearing part, and described lower recess bottom is provided with breach, the size of described through hole and breach measure-alike.Breach is corresponding with through hole, and the power of more vertical direction is disperseed, and reduces the pressure of vertical direction, increases the pressure of side direction, improves weighing precision.
As preferably, described cable is connected with elastic body through water joint.Water joint plays effects such as waterproof and oilproof.
Therefore, a kind of LOAD CELLS of the utility model possesses following beneficial effect, and 1, simple in structure; Easy for installation, 2, through changing flexible shape and structure, increased elastomeric deformability; Simultaneously also pressure is more effectively passed to foil gauge, improved weighing precision.
Description of drawings
Fig. 1 partly cuts open figure for the utility model,
Fig. 2 is the elastomeric structural representation of Fig. 1,
Fig. 3 is the structural representation of Fig. 1 bearing part.
The 1-bearing part, 2-elastic body, 3-foil gauge, 4-water joint, 5-cable, 6-cavity, 7-upper groove, 8-steel ball, the last depression of 9-, 10-lower recess, 11-groove, 12-through hole, 13-breach, 14-base.
Specific embodiments
Pass through embodiment below, and combine accompanying drawing, the utility model is further explained.
Embodiment: as shown in Figure 1, a kind of LOAD CELLS includes elastic body 2; Elastic body 2 is cylindrical shape, and the bottom of elastic body 2 is connected with base 14 through bolt, forms the cavity 6 of convex shape simultaneously in bottom centre's place's hollow out of elastic body 2; Be pasted with six foil gauges 3 at the top of cavity 6; Six foil gauges 3 evenly distribute around the central shaft of elastic body 2, elastic body 2 bottom hollow outs have not only been saved material, and improved the deformability of elastic body 2.Have upper groove 7 (as shown in Figure 2) in the center, top of elastic body 2, be connected with bearing part 1 on the upper groove 7, it is cylindric that supporting part is; Matching with upper groove 7 in the bottom of bearing part 1, upwards is recessed to form 9 (as shown in Figure 3) of caving at the bottom center place of bearing part 1, is recessed to form lower recess 10 downwards at the bottom center place of upper groove 7; Last depression 9 is formed spherical hollow space with lower recess 10; Steel ball 8 is installed in spherical hollow space, the size of steel ball 8 and spherical hollow space measure-alike, spherical hollow space can well limit the position of steel ball 8; Avoid when being under pressure, being moved; And between the bottom surface of bearing part 1 bottom surface and upper groove 7, have the space, and avoid bearing part 1 descending conflict elastic body 2 when bearing pressure, make the power of vertical direction directly act on elastic body 2.Middle has groove 11 in the upper surface of supporting part; Make weight better pressure put on LOAD CELLS through groove 11, groove 11 bottom surface middle have through hole 12 simultaneously, and the central shaft of through hole 12 overlaps (as shown in Figure 3) with the central shaft of bearing part 1; Have breach 13 in upper groove 7 bottom surface middle; The size of breach 13 and through hole 12 measure-alike, the pressure that receives at the elastic body 2 that is pasted with foil gauge 3 places can be decomposed into horizontal direction and vertical direction, and the pressure of the pressure ratio vertical direction of horizontal direction can more effectively pass to foil gauge 3; The pressure at right angle of therefore disperseing from weight through through hole 12, steel ball 8 and breach 13; Convert the power of part vertical direction into horizontal direction, reduced the pressure of vertical direction, improve weighing precision.Cable 5 is connected with the lateral wall of elastic body 2 through water joint 4, plays waterproof, grease proofing effect.
The utility model is simple in structure, and is easy for installation, through changing the shape of elastic body 2; Improve the deformability of elastic body 2, practiced thrift material simultaneously, reduced cost; And through through hole 12, steel ball 8 and breach 13 dispersions pressure from weight; Convert the power of part vertical direction the power of horizontal direction into, reduced the pressure of vertical direction, improve weighing precision.
Claims (6)
1. LOAD CELLS; Comprise elastic body (2), foil gauge (3), base (14) and cable (5), described base (14) is connected with elastic body (2) bottom through bolt, it is characterized in that; Described elastic body (2) bottom center place's hollow out forms the cavity (6) of concave shape; Described foil gauge (3) is attached at the top of cavity (6), and described elastic body (2) center, top is provided with the upper groove (7) that is convex shape, and described upper groove (7) is connected with bearing part (1); Be provided with spherical hollow space between described bearing part (1) and upper groove (7) bottom; Steel ball (8) is installed in the described spherical hollow space, and described ball size is smaller or equal to the size of spherical hollow space, and described cable (5) is connected with elastic body (2) sidewall.
2. a kind of LOAD CELLS according to claim 1; It is characterized in that; Described bearing part (1) bottom center place upwards is recessed to form depression (9); Described upper groove (7) bottom middle is recessed to form lower recess (10) downwards, described depression (9) and lower recess (10) the formation spherical hollow space gone up.
3. a kind of LOAD CELLS according to claim 2 is characterized in that, has the space between described bearing part (1) bottom surface and upper groove (7) bottom surface.
4. according to claim 1 or 2 or 3 described a kind of LOAD CELLSs, it is characterized in that described bearing part (1) is cylindric, matches with upper groove (7) in described bearing part (1) bottom, and described bearing part (1) top is provided with groove (11).
5. a kind of LOAD CELLS according to claim 4; It is characterized in that; Described groove (11) bottom surface middle is provided with through hole (12); The central shaft of described through hole (12) overlaps with the central shaft of bearing part (1), and described lower recess (10) bottom is provided with breach (13), the size of described through hole (12) and breach measure-alike.
6. according to claim 1 or 2 or 3 described a kind of LOAD CELLSs, it is characterized in that described cable (5) is connected with elastic body (2) through water joint (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202542069U CN202188887U (en) | 2011-07-19 | 2011-07-19 | Weighing sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202542069U CN202188887U (en) | 2011-07-19 | 2011-07-19 | Weighing sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202188887U true CN202188887U (en) | 2012-04-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202542069U Expired - Fee Related CN202188887U (en) | 2011-07-19 | 2011-07-19 | Weighing sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202188887U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103925972A (en) * | 2013-01-16 | 2014-07-16 | 上海朝辉压力仪器有限公司 | Weight sensor, microwave oven with same and container with same |
| CN106628841A (en) * | 2017-01-24 | 2017-05-10 | 广东省生物工程研究所（广州甘蔗糖业研究所） | Dynamic metering chain plate conveyor with two-dimensional weighing function |
| CN106918379A (en) * | 2017-04-11 | 2017-07-04 | 宁波柯力传感科技股份有限公司 | Multiple parallel girder load sensors |
| US10589371B2 (en) | 2013-05-23 | 2020-03-17 | Crc-Evans Pipeline International, Inc. | Rotating welding system and methods |
| US10695876B2 (en) | 2013-05-23 | 2020-06-30 | Crc-Evans Pipeline International, Inc. | Self-powered welding systems and methods |
| US10828715B2 (en) | 2014-08-29 | 2020-11-10 | Crc-Evans Pipeline International, Inc. | System for welding |
| US11175099B2 (en) | 2013-05-23 | 2021-11-16 | Crc-Evans Pipeline International, Inc. | Systems and methods for use in welding pipe segments of a pipeline |
| US11458571B2 (en) | 2016-07-01 | 2022-10-04 | Crc-Evans Pipeline International, Inc. | Systems and methods for use in welding pipe segments of a pipeline |
| US11767934B2 (en) | 2013-05-23 | 2023-09-26 | Crc-Evans Pipeline International, Inc. | Internally welded pipes |
-
2011
- 2011-07-19 CN CN2011202542069U patent/CN202188887U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103925972A (en) * | 2013-01-16 | 2014-07-16 | 上海朝辉压力仪器有限公司 | Weight sensor, microwave oven with same and container with same |
| CN103925972B (en) * | 2013-01-16 | 2016-04-06 | 上海朝辉压力仪器有限公司 | Weight sensor and apply its micro-wave oven and container |
| US10589371B2 (en) | 2013-05-23 | 2020-03-17 | Crc-Evans Pipeline International, Inc. | Rotating welding system and methods |
| US10695876B2 (en) | 2013-05-23 | 2020-06-30 | Crc-Evans Pipeline International, Inc. | Self-powered welding systems and methods |
| US11175099B2 (en) | 2013-05-23 | 2021-11-16 | Crc-Evans Pipeline International, Inc. | Systems and methods for use in welding pipe segments of a pipeline |
| US11767934B2 (en) | 2013-05-23 | 2023-09-26 | Crc-Evans Pipeline International, Inc. | Internally welded pipes |
| US10828715B2 (en) | 2014-08-29 | 2020-11-10 | Crc-Evans Pipeline International, Inc. | System for welding |
| US11458571B2 (en) | 2016-07-01 | 2022-10-04 | Crc-Evans Pipeline International, Inc. | Systems and methods for use in welding pipe segments of a pipeline |
| CN106628841A (en) * | 2017-01-24 | 2017-05-10 | 广东省生物工程研究所（广州甘蔗糖业研究所） | Dynamic metering chain plate conveyor with two-dimensional weighing function |
| CN106628841B (en) * | 2017-01-24 | 2022-07-12 | 广东省生物工程研究所（广州甘蔗糖业研究所） | Dynamic metering chain scraper conveyor with two-dimensional weighing function |
| CN106918379A (en) * | 2017-04-11 | 2017-07-04 | 宁波柯力传感科技股份有限公司 | Multiple parallel girder load sensors |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120411 Termination date: 20150719 |
|
| EXPY | Termination of patent right or utility model |