CN205593628U - Curved ring type weighing sensor - Google Patents
Curved ring type weighing sensor Download PDFInfo
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- CN205593628U CN205593628U CN201620194031.XU CN201620194031U CN205593628U CN 205593628 U CN205593628 U CN 205593628U CN 201620194031 U CN201620194031 U CN 201620194031U CN 205593628 U CN205593628 U CN 205593628U
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Abstract
The utility model provides a curved ring type weighing sensor, the on -line screen storage device comprises a base, connect the elastomer on the base, attached strainometer on the elastomer, be located the steel ball of elastomer upper end and place the pressure -bearing head on the steel ball, the elastomer is the ring type structure, the middle part of elastomer is equipped with the columnar structure that offsets with the steel ball to the epirelief, lateral wall at the columnar structure, the upper and lower both sides of elastomer are concave two inside and outside annulars that are equipped with the symmetry respectively, elastomer surface between two inside and outside annulars forms the anchor ring of meeting an emergency from top to bottom, the strainometer pastes respectively on the anchor ring of meeting an emergency from top to bottom, through last diaphragm and the firm and hard current effect seal of bottom. The utility model discloses novel structure has advantages such as the size is small and exquisite, stable in structure, anti unbalance loading ability reinforce, the influence of no screw rod pretightning force, the rubber guard shield can stop that silt and debris to sensor inside influence and to prevent that the steel ball from rolling skew ball socket down at free state central, do benefit to the accuracy to weigh, integration assembly structure, the very easy and steel ball centering of pressure head when organizing the balance, simple to operate is swift.
Description
Technical field
This utility model belongs to weight sensing technology field, relates to a kind of truck scale LOAD CELLS, is specifically related to one
Bending ring formula LOAD CELLS.
Background technology
At present, domestic automobile weighing apparatus sensor is mainly double-shear beam sensor, and such sensor typically uses screw rod to incite somebody to action
The elastomer of sensor and base (or base) are fixed together, thus form two-end fixed beam structure or simply supported beam knot
Structure.Such as the Chinese utility model patent " double-shear beam type LOAD CELLS " of Patent No. ZL200820028739.3, bag
Include base, the elastomer being connected on base, the strain gauge being attached on elastomer, be positioned at the steel ball of elastomer upper end
With the pressure bearing head being placed on steel ball, it is characterised in that: described elastomer is by the cylinder conduct being placed on described base
Supporting, elastomer is connected with base by bolt and spring washer, and the axis of described cylinder is put down with the width of elastomer
OK.Such bridge type magnetic sensor is screw pre-tightening fabricated construction, its exist inevasible null offset, sensitivity drift,
Side knock weighs the drawbacks such as unstable, and simultaneously because using for many years, a lot of clients have had the biggest use tired.Cause
This develops novel structure and is applicable to again the sensor in truck scale field and has become as inexorable trend, and curved ring structures tool
Have compact structure, easy to process, without features such as screw pre-tightenings, truck scale field can be introduced into.
Summary of the invention
Technical problem to be solved in the utility model be provide for the above-mentioned state of the art a kind of compact structure unique,
Bending ring formula LOAD CELLS easy to process, offset load resistance is good.
The technical scheme that the above-mentioned technical problem of this utility model solution is used is: a kind of bending ring formula LOAD CELLS, including
Base, the elastomer being connected on base, the strain gauge being attached on elastomer, it is positioned at the steel ball of elastomer upper end and puts
Put the pressure bearing head on steel ball, it is characterised in that: described elastomer is ring structures, and the middle part of elastomer is convex to be provided with
The column structure offseted with steel ball, in the lateral wall of column structure, the both sides up and down of elastomer are arranged with in symmetry respectively
Outer two annular grooves, the surface of elastomer between inside and outside two annular grooves is formed and strains anchor ring up and down, and strain gauge is affixed on respectively up and down
On strain anchor ring, realize effective welded seal by upper diaphragm and bottom plate.
As improvement, the periphery, upper end of described elastomer is arranged with a rubber guard shield, the top of the central cylindrical structure of elastomer
Face forms the ball-and-socket that the bottom for steel ball of indent is inserted, and the top of steel ball is arranged with a gland, and steel ball is fixed by gland
Position on ball-and-socket, be placed in rubber guard shield, the upper end of steel ball offsets with pressure bearing head through gland.
As improvement, described rubber guard shield is coated between periphery, upper end and the periphery of gland of elastomer, under protective cover
Being provided with the annular convex rib that the upper end outer peripheral face with elastomer matches inside end, the periphery, upper end of elastomer is provided with the ring of correspondence
Connected in star, is provided with the annular protrusion that the outer peripheral face with gland matches inside the upper end of protective cover, it is right that the periphery of gland is provided with
The annular recess answered, protective cover is coated between elastomer and gland and is fixed by clip.
As improvement, described gland is macromolecule nonmetallic materials gland, and the middle part of gland is provided with the top phase with steel ball
The spherical cambered surface perforate joined.
Improving, described base is concavely provided with the spacing counterbore that the lower end for elastomer is inserted, and the lower end of elastomer is spacing to be set again
Put in spacing counterbore.
Improve again, on described base, the outside of spacing counterbore be provided with left and right two location hole, the lower surface of elastomer is opened
Being provided with two, the left and right keyway of correspondence, elastomer realizes anti-rotation by straight pin with keyway, location coordinating of hole.
Improving further, described elastomer top, the lower section of rubber guard shield are provided with two symmetrical lacking for draining
Mouthful, the handheld ring being easy to be carried by sensor is installed in the position of breach.
Improving further, the side, bottom of described elastomer is provided with line outlet, is provided with waterproof jointing on line outlet.
Finally, it is multiple that described strain is calculated as each laying up and down, and uniform intervals is attached to strain on anchor ring up and down respectively.
Compared with prior art, the utility model has the advantage of: elastomer is ring structures, there is compact structure, add
Work is convenient, offset load resistance is good, without features such as screw pre-tightenings；Rubber guard shield can stop that silt and foreign material are to sensing simultaneously
Device inside and the impact of steel ball power transmission effect, and can prevent steel ball free from rolling deviation ball-and-socket center, it is achieved steel ball is self-align,
Thus beneficially precise；Integrated assembling structure, during group scale, pressure head is easy to and steel ball centering, quick and easy for installation；
Additionally the upper design of elastomer has the breach of draining, it is simple to effectively discharge hydrops, prevents icing effect from measuring, and exists simultaneously
Indentation, there arranges the structure that can fixedly mount handheld ring, by installing handheld ring, adjusts when facilitating sensor carrying and install
Position.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the side view of Fig. 1；
Fig. 3 is the sectional view of Fig. 1；
Fig. 4 is the top view of this utility model elastomer；
Fig. 5 is the structural representation of rubber guard shield in this utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, this utility model is described in further detail.
As shown in Fig. 1～5, a kind of bending ring formula LOAD CELLS, the elastomer 1 including base 3, being connected on base 3,
The strain gauge 2 being attached on elastomer 1, the steel ball 4 being positioned at elastomer 1 upper end, the pressure bearing head 5 that is placed on steel ball 4
And rubber guard shield 6, gland 7, upper diaphragm 8 and bottom plate 9 etc., elastomer 1, in bending ring structures, has knot
Structure is small and exquisite, easy to process, offset load resistance is good, without features such as screw pre-tightenings, the middle part of elastomer 1 is convex to be provided with
The column structure 11 offseted with steel ball 4, in the lateral wall of column structure 11, the both sides up and down of elastomer 1 the most recessed
Having inside and outside two annular grooves 12 of symmetry, elastomer 1 surface between the most inside and outside two annular grooves 12 is symmetrically formed upper and lower two
Individual strain anchor ring 13, strain gauge 2 is respectively to lay multiple (this example is by each 8 designs) up and down, and uniform intervals is attached to respectively
Up and down on strain anchor ring 13, realize effective welded seal upper surface at elastomer 1 by upper diaphragm 8 and bottom plate 9
With on lower surface；The bottom of the confession steel ball 4 that the end face of the central cylindrical structure 11 of elastomer 1 forms indent is inserted
Ball-and-socket 111, the top of steel ball 4 is arranged with the gland 7 of macromolecule nonmetallic materials, and the middle part of gland 7 is provided with and steel
The spherical cambered surface perforate that the top of ball 4 matches, the upper end of steel ball 4 offsets through gland 7 with pressure bearing head 5, elastomer 1
Periphery, upper end be arranged with a rubber guard shield 6, rubber guard shield 6 be coated on the periphery, upper end of elastomer 1 with gland 7 outside
Between week, the lower end inside of rubber guard shield 6 is provided with the annular convex rib 61 that the upper end outer peripheral face with elastomer 1 matches, bullet
The periphery, upper end of gonosome 1 is provided with the annular groove of correspondence, is provided with and the outer peripheral face of gland 7 inside the upper end of rubber guard shield 6
The annular protrusion 62 matched, the periphery of gland 7 is provided with the annular recess of correspondence, and rubber guard shield 6 is coated on elastomer 1
And being fixed by clip between gland 7, such steel ball 4 is just assembled together with gland 7, rubber guard shield 5 so that steel
Ball 4 is positioned on ball-and-socket 111, is placed in rubber guard shield 6, relies on the effect of rubber guard shield 6, it is achieved that steel ball 9 exists
Self-align in the ball-and-socket 111 of elastomer 1, when weighing platform works, steel ball 4 will not occur freely to roll deviation ball-and-socket 111
Center, rubber guard shield 6 also can stop that silt and foreign material, on sensor internal and the impact of steel ball 4 power transmission effect, are kept away simultaneously
Exempt from the foreign material such as sand and dust and enter ball-and-socket 111 impact rolling power transmission；Base 3 is concavely provided with the limit that the lower end for elastomer 1 is inserted
Position counterbore 31, the lower end of elastomer 1 is spacing to be arranged in spacing counterbore 31, can prevent sensor from offseting, impact
Side accuracy of measurement, on base 3, the outside of spacing counterbore 31 be provided with left and right two location hole, on the lower surface of elastomer 1
Offer two, the left and right keyway 14 of correspondence, elastomer 1 by straight pin 10 and keyway 14, position hole coordinate realization
Effectively anti-rotation, it addition, on elastomer 1 top, again lower section at rubber guard shield 6 be provided with two symmetrical breach 15,
Can effectively drain the water away, prevent from freezing, affect weighing precision, arrange at breach 15 simultaneously and can fixedly mount handheld ring
The structure of 101, adjusts position when facilitating sensor carrying and install；It is provided with line outlet 16 in the side, bottom of elastomer 1,
Line outlet 16 is provided with waterproof jointing 100, can facilitate and signal is drawn by wire, and can effectively seal,
Do not affect the transmission of load.
The above is only preferred implementation of the present utility model, it is noted that for the ordinary skill of the art
For personnel, on the premise of without departing from this utility model know-why, it is also possible to make some improvements and modifications, these
Improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (9)
1. a bending ring formula LOAD CELLS, the elastomer including base, being connected on base, is attached on elastomer
Strain gauge, the steel ball being positioned at elastomer upper end and the pressure bearing head being placed on steel ball, it is characterised in that: described elastomer
In ring structures, the middle part of elastomer is convex is provided with the column structure offseted with steel ball, in the lateral wall of column structure,
The both sides up and down of elastomer are arranged with inside and outside two annular grooves of symmetry, the surface of elastomer shape between inside and outside two annular grooves respectively
Becoming to strain anchor ring up and down, strain gauge is affixed on respectively and strains on anchor ring up and down, realizes effectively welding by upper diaphragm and bottom plate
Seal.
Bending ring formula LOAD CELLS the most according to claim 1, it is characterised in that: outside the upper end of described elastomer
Being arranged with a rubber guard shield week, the bottom of the confession steel ball that the end face of the central cylindrical structure of elastomer forms indent is inserted
Ball-and-socket, the top of steel ball is arranged with a gland, and steel ball is positioned on ball-and-socket by gland, is placed in rubber guard shield, steel ball
Upper end offset with pressure bearing head through gland.
Bending ring formula LOAD CELLS the most according to claim 2, it is characterised in that: described rubber guard shield is coated on
Between periphery, upper end and the periphery of gland of elastomer, the lower end inside of protective cover is provided with the upper end outer peripheral face phase with elastomer
The annular convex rib coordinated, the periphery, upper end of elastomer is provided with the annular groove of correspondence, is provided with and presses inside the upper end of protective cover
The annular protrusion that the outer peripheral face of lid matches, the periphery of gland is provided with the annular recess of correspondence, and protective cover is coated on elastomer
And fixed by clip between gland.
Bending ring formula LOAD CELLS the most according to claim 2, it is characterised in that: described gland is that macromolecule is non-
Metal material gland, the middle part of gland is provided with the spherical cambered surface perforate that the top with steel ball matches.
Bending ring formula LOAD CELLS the most according to claim 2, it is characterised in that: described base is concavely provided with confession
The spacing counterbore that the lower end of elastomer is inserted, the lower end of elastomer is spacing to be arranged in spacing counterbore.
Bending ring formula LOAD CELLS the most according to claim 5, it is characterised in that: on described base, spacing heavy
The outside in hole is provided with hole, location, two, left and right, and the lower surface of elastomer offers two, the left and right keyway of correspondence, elastomer
Coordinating of hole anti-rotation is realized with keyway, location by straight pin.
7. according to the bending ring formula LOAD CELLS described in claim 2 to 6 any claim, it is characterised in that: institute
State elastomer top, the lower section of rubber guard shield is provided with two symmetrical breach for draining, pacifies in the position of breach
Equipped with being easy to the handheld ring of sensor carrying.
8. according to the bending ring formula LOAD CELLS described in claim 1 to 6 any claim, it is characterised in that: institute
The side, bottom stating elastomer is provided with line outlet, is provided with waterproof jointing on line outlet.
9. according to the bending ring formula LOAD CELLS described in claim 1 to 6 any claim, it is characterised in that: institute
Stating strain to be calculated as each up and down laying multiple, uniform intervals is attached to strain on anchor ring up and down respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620194031.XU CN205593628U (en) | 2016-03-14 | 2016-03-14 | Curved ring type weighing sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620194031.XU CN205593628U (en) | 2016-03-14 | 2016-03-14 | Curved ring type weighing sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205593628U true CN205593628U (en) | 2016-09-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620194031.XU Active CN205593628U (en) | 2016-03-14 | 2016-03-14 | Curved ring type weighing sensor |
Country Status (1)
| Country | Link |
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| CN (1) | CN205593628U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108168672A (en) * | 2017-12-21 | 2018-06-15 | 西安蒜泥电子科技有限责任公司 | A kind of weighing structure, human body three-dimensional scanning device |
| CN108519142A (en) * | 2018-04-11 | 2018-09-11 | 柳州市铁科科技有限责任公司 | A kind of load carrier of locomotive weighing table, measuring mechanism unit and weighing unit |
-
2016
- 2016-03-14 CN CN201620194031.XU patent/CN205593628U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108168672A (en) * | 2017-12-21 | 2018-06-15 | 西安蒜泥电子科技有限责任公司 | A kind of weighing structure, human body three-dimensional scanning device |
| CN108168672B (en) * | 2017-12-21 | 2019-09-03 | 西安蒜泥电子科技有限责任公司 | A kind of weighing structure, human body three-dimensional scanning device |
| CN108519142A (en) * | 2018-04-11 | 2018-09-11 | 柳州市铁科科技有限责任公司 | A kind of load carrier of locomotive weighing table, measuring mechanism unit and weighing unit |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |