CN220508193U - Flange type weighing sensor - Google Patents
Flange type weighing sensor Download PDFInfo
- Publication number
- CN220508193U CN220508193U CN202322359389.6U CN202322359389U CN220508193U CN 220508193 U CN220508193 U CN 220508193U CN 202322359389 U CN202322359389 U CN 202322359389U CN 220508193 U CN220508193 U CN 220508193U
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- flange
- elastic body
- weighing sensor
- patch
- type weighing
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- 238000005303 weighing Methods 0.000 title claims abstract description 22
- 229920001971 elastomer Polymers 0.000 claims abstract description 17
- 239000000806 elastomer Substances 0.000 claims abstract description 17
- 238000007789 sealing Methods 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000006837 decompression Effects 0.000 description 8
- 239000011888 foil Substances 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Measurement Of Force In General (AREA)
Abstract
The utility model relates to the technical field of sensors, in particular to a flange type weighing sensor which comprises an elastomer, two flange plates and a wire holder, wherein a patch groove is formed in the outer wall of the elastomer, and a resistance strain gauge is stuck in the patch groove; the two flanges are respectively connected to the upper end and the lower end of the elastic body and used for fixing a body to be detected; the wire holder is connected to the side wall of the elastic body and is used for outputting an electric signal. The present utility model aims to improve the overall performance of the sensor.
Description
Technical Field
The utility model relates to the technical field of sensors, in particular to a flange type weighing sensor.
Background
The flange type sensor has the advantages of good comprehensive mechanical property, good stability, simple installation, high eccentricity resistance and lateral force resistance, and relatively accurate external load acting on the center of the weighing sensor, so that the transfer of the external load along the direction of the central axis of the cylinder is ensured. The strain gauge can convert the pressure received by the sensor into an electric signal to be transmitted, so that the force can be accurately measured.
Patent publication No. CN202066568U discloses a multipart force transducer, and its foil gage is attached on the foil gage body and is not in the center department of foil gage body, and the stress of here does not concentrate, can't obtain the most accurate data, and foil gage body and ring flange separate design, and the possibility that the locking department has loosen easily causes the influence to the life of this product.
Disclosure of Invention
The utility model mainly aims to provide a flange type weighing sensor, which aims to improve the overall performance of the sensor.
In order to achieve the above purpose, the flange type weighing sensor provided by the utility model comprises an elastomer, two flange plates and a wire holder:
a patch groove is formed in the outer wall of the elastic body, and a resistance strain gauge is stuck in the patch groove;
the two flanges are respectively connected to the upper end and the lower end of the elastic body and used for fixing a body to be detected; and
the wire holder is connected to the side wall of the elastic body and is used for outputting an electric signal.
In one embodiment of the present application, the elastomer includes two connecting portions and a strain portion:
the two connecting parts are arranged at the upper end and the lower end of the elastic body, and the connecting parts are connected with the flange plate; and
the strain part is arranged between the two connecting parts, the strain part is provided with a patch groove, and the strain part is connected with the wire holder.
In an embodiment of the present application, the side wall of the elastic body is provided with a mounting groove, and the wire holder is mounted in the mounting groove.
In an embodiment of the present application, two patch grooves are provided, and two patch grooves are disposed opposite to each other.
In one embodiment of the present application, the elastomer is provided with a sealing sheet opposite to the patch groove.
In an embodiment of the present application, the flange plate includes an abutment portion, a pressure reducing portion, and a locking member:
the abutting part is arranged at one end of the flange plate far away from the elastic body;
the top end of the pressure reducing part is connected with the abutting part, and the diameter of the pressure reducing part gradually increases along the direction away from the abutting part; and
the locking piece is connected to the end face of the flange plate, facing the elastic body, and is used for locking the piece to be detected in a matching mode.
In an embodiment of the present application, the retaining member is provided with a plurality of, a plurality of retaining member circumference equidistance distributes the ring flange is faced the terminal surface of elastomer, the relative retaining member runs through on the butt portion and is provided with the fixed orifices.
In an embodiment of the present application, the flange plate is provided with a wire outlet hole.
In the technical scheme of this application, set up the paster groove through adopting on the surface of columnar elastomer, and the paster groove is provided with two places relatively, the bottom in two paster grooves links together, and the bottom in two paster grooves is all attached with the resistance strain gauge, the setting in paster groove can make stress concentration in the bottom in paster groove, paste the pressure that the collection sensor that resistance strain gauge can be more accurate in the paster inslot, improve the precision of sensor, and the ring flange deviates from the one end of elastomer and be the butt portion, connect in the part of butt portion on the ring flange and be the decompression portion, the diameter of decompression portion is along deviating from the direction of butt portion and increasing gradually, form round platform column structure, after the fixed piece of waiting of butt portion through fixed orifices and retaining member, the pressure will be dispersed to whole ring flange by the decompression portion, can avoid the ring flange to be impaired, also can make whole sensor more stable.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an embodiment of a flange-type load cell according to the present utility model;
FIG. 2 is a schematic view of a flange-type load cell according to an embodiment of the present utility model with a sealing plate removed;
FIG. 3 is a front view of an embodiment of a flange load cell of the present utility model with a sealing plate removed.
Reference numerals illustrate:
1. an elastomer; 11. a connection part; 12. a strain section; 121. a mounting groove; 122. a patch groove; 123. a sealing sheet; 13. resistance strain gauge; 2. a flange plate; 21. an abutting portion; 22. a decompression section; 23. a locking member; 24. a fixing hole; 25. a wire outlet hole; 3. and a wire holder.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout is meant to include three side-by-side schemes, for example, "a and/or B", including a scheme, or B scheme, or a scheme that is satisfied by both a and B. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
Referring to fig. 1 to 3, in an embodiment of the present utility model, a flange-type weighing sensor is provided, which includes an elastic body 1, two flanges 2 and a wire holder 3, wherein a patch groove 122 is formed on an outer wall of the elastic body 1, and a resistance strain gauge 13 is stuck in the patch groove 122; the two flanges 2 are respectively connected to the upper end and the lower end of the elastic body 1 and are used for fixing a body to be detected; the wire holder 3 is connected to the side wall of the elastic body 1 and is used for outputting an electric signal.
In the flange type weighing sensor of the application, the elastic body 1 is not cylindrical, the flange type weighing sensor comprises a connecting part 11, a strain part 12 and a resistance strain gauge 13, the strain part 12 is positioned in the middle section of the elastic body 1, the diameter of the connecting part 11 is slightly larger than that of the connecting parts 11 at two ends, the connecting parts 11 can provide larger pressure intensity for the strain part 12, the strain part 12 is convenient to generate larger deformation, collected data are more accurate, two patch grooves 122 are formed in the strain part 12, the two patch grooves 122 are oppositely arranged, the bottom surfaces of the two patch grooves 122 are connected, the resistance strain gauge 13 is adhered to the bottom surfaces of the two patch grooves, the stress on the whole strain part 12 can be concentrated on the bottom surfaces, the two opposite resistance strain gauges 13 are mutually matched, the resistance strain gauge 13 can be more accurately perceived to change, a wire holder 3 is arranged in the mounting groove 121 and used for connecting the resistance strain gauge 13 through wires, so that the weight of a piece to be detected can be quickly and stably checked.
Further, connecting portion 11 is connected with ring flange 2, and the one end that elastomer 1 was kept away from to ring flange 2 is butt portion 21, and butt portion 21 direct contact waits to detect the piece for bear the weight of waiting to detect the piece, link to each other with connecting portion 11 for decompression portion 22, the diameter of decompression portion 22 is along deviating from the direction of connecting portion 11 and increasing gradually, is a round platform form, can effectually make the pressure dispersion that receives in butt portion 21 to whole ring flange 2, is used for guaranteeing ring flange 2's life, and makes ring flange 2 give elastomer 1's pressure more even, improves sensor's stability. The flange plate 2 is provided with a plurality of retaining members 23 on the terminal surface facing the elastomer 1, a plurality of retaining members 23 circumference equidistance is equally divided on the flange plate 2, and the butt portion 21 runs through with respect to retaining members 23 and is provided with fixed orifices 24, can also be equipped with the screw thread in the retaining members 23, be used for cooperating the bolt locking to wait to detect the piece, still offered wire hole 25 on the flange plate 2, the distance of wire hole 25 apart from the centre of a circle equals the distance of fixed orifices 24 apart from the centre of a circle, and wire hole 25 locates between two fixed orifices 24, wire hole 25 can cooperate the user to install the ground wire or pull away through wire hole 25 with the cable that wire holder 3 connects, be used for correcting the circuit position, make the layout of equipment more clean.
Referring to fig. 1 in combination, in an embodiment of the present application, an elastic body 1 includes two connection portions 11 and a strain portion 12, the two connection portions 11 are disposed at upper and lower ends of the elastic body 1, and the connection portions 11 are connected to a flange 2; the strain part 12 is arranged between the two connecting parts 11, the strain part 12 is provided with a patch groove 122, and the strain part 12 is connected with the wire holder 3.
In the flange type weighing sensor, the connecting part 11 is connected with the upper flange plate 2 and the lower flange plate 2, the strain part 12 is positioned in the middle section of the elastic body 1, the connecting part 11 with the diameter slightly larger than that of the two ends can enable the connecting part 11 to provide larger pressure for the strain part 12, the strain part 12 is convenient to generate larger deformation, collected data are more accurate, two patch grooves 122 are formed in the strain part 12, the two patch grooves 122 are oppositely arranged, the bottom surfaces of the two patch grooves 122 are connected, the resistor strain gauge 13 is adhered to the bottom surfaces of the two patch grooves, the stress on the whole strain part 12 can be concentrated on the bottom surfaces through the design, and the two opposite resistor strain gauges 13 are mutually matched to enable the resistor strain gauge 13 to sense the change more accurately.
Referring to fig. 3, in an embodiment of the present application, a mounting groove 121 is formed on a sidewall of the elastic body 1, and the wire holder 3 is mounted in the mounting groove 121.
In the flange type weighing sensor, the mounting groove 121 is formed in the side wall of the strain part 12 opposite to the two patch grooves 122, the wiring seat 3 is arranged in the mounting groove 121 and used for penetrating the lead to connect the resistance strain gauge 13, so that the strain part can timely receive signal changes, and the weight of a piece to be detected can be rapidly and stably checked.
Referring to fig. 2 in combination, in an embodiment of the present application, two patch grooves 122 are formed, and the two patch grooves 122 are disposed opposite to each other.
In the flange type weighing sensor, two opposite patch grooves 122 are formed in the strain part 12, the bottoms of the two patch grooves 122 are connected and located at the right center of the whole strain part 12, the patch grooves 122 can concentrate stress of the strain part 12, stress can be concentrated to the greatest extent in the two opposite strain grooves, the precision of the sensor is improved, and the precision of data is further improved.
Referring to fig. 1 in combination, in one embodiment of the present application, the elastic body 1 is provided with a sealing piece 123 opposite to the patch groove 122.
In the flange type weighing sensor of the present application, a cover plate, a flat die piece or a concave die piece is used as a sealing piece 123 at a position where the patch groove 122 is formed in the strain part 12, the patch groove 122 is sealed by a laser welding method, the accuracy degradation caused by pollution in the patch groove is avoided, and the sealing piece 123 and the patch groove 122 can be filled with nitrogen or oil to further protect objects such as the resistance strain piece 13, a conversion circuit and the like.
Referring to fig. 1 to 3, in an embodiment of the present application, the flange 2 includes an abutment portion 21, a pressure reducing portion 22, and a locking member 23, where the abutment portion 21 is disposed at an end of the flange 2 away from the elastic body 1; the tip of the pressure-reducing portion 22 is connected to the abutting portion 21, and the diameter of the pressure-reducing portion 22 gradually increases in a direction away from the abutting portion 21; the locking piece 23 is connected to the end surface of the flange 2 facing the elastic body 1 and is used for locking the piece to be detected in a matching way.
In the flange type weighing sensor of this application, connecting portion 11 is connected with ring flange 2, the one end that elastomer 1 was kept away from to ring flange 2 is butt portion 21, butt portion 21 direct contact waits to detect the piece for bear the weight of waiting to detect the piece, be decompression portion 22 with connecting portion 11 link to each other, the diameter of decompression portion 22 is along deviating from the direction of connecting portion 11 and increase gradually, be a round platform form, can effectually make the pressure dispersion that receives on butt portion 21 to whole ring flange 2, be used for guaranteeing ring flange 2's life, and make ring flange 2 give elastomer 1's pressure more even, improve sensor's stability. The flange plate 2 is provided with a plurality of retaining members 23 on the terminal surface facing the elastomer 1, a plurality of retaining members 23 circumference equidistance is equally divided on the flange plate 2, and the butt portion 21 runs through with respect to retaining members 23 and is provided with fixed orifices 24, can also be equipped with the screw thread in the retaining members 23, be used for cooperating the bolt locking to wait to detect the piece, still offered wire hole 25 on the flange plate 2, the distance of wire hole 25 apart from the centre of a circle equals the distance of fixed orifices 24 apart from the centre of a circle, and wire hole 25 locates between two fixed orifices 24, wire hole 25 can cooperate the user to install the ground wire or pull away through wire hole 25 with the cable that wire holder 3 connects, be used for correcting the circuit position, make the layout of equipment more clean.
Referring to fig. 1 in combination, in an embodiment of the present application, a plurality of locking members 23 are provided, the plurality of locking members 23 are circumferentially and equidistantly distributed on an end surface of the flange 2 facing the elastic body 1, and fixing holes 24 are formed in the abutting portion 21 opposite to the locking members 23 in a penetrating manner.
In the flange type weighing sensor of the application, a plurality of locking pieces 23 are arranged on the end face, facing the elastic body 1, of the flange plate 2, the plurality of locking pieces 23 are equally distributed on the flange plate 2 in the circumferential direction, the abutting portion 21 penetrates through the locking pieces 23 to be provided with fixing holes 24, threads can be arranged in the locking pieces 23, the locking pieces can be used for locking to-be-detected pieces through matching bolts, the locking pieces 23 can serve as washers, and the flange plate 2 is protected from damage.
Referring to fig. 1, in an embodiment of the present application, a wire outlet 25 is formed through the flange 2.
In the flange type weighing sensor of the application, the flange plate 2 is provided with the wire outlet holes 25 in a penetrating mode, the distance between the wire outlet holes 25 and the circle center is equal to the distance between the fixed holes 24 and the circle center, the wire outlet holes 25 are arranged between the two fixed holes 24, the wire outlet holes 25 can be matched with a user to install a ground wire or a cable connected with the wire holder 3 is pulled out through the wire outlet holes 25, and therefore the position of a line is corrected, and equipment is arranged more neatly.
The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.
Claims (8)
1. A flange-type weighing sensor, comprising:
the elastic body, the outer wall of the said elastic body has paster groove, paste the resistance strain gauge in the said paster groove;
the two flange plates are respectively connected to the upper end and the lower end of the elastic body and used for fixing a body to be detected; and
the wire holder is connected to the side wall of the elastic body and used for outputting an electric signal.
2. A flange-type load cell according to claim 1, wherein said elastomer comprises:
the two connecting parts are arranged at the upper end and the lower end of the elastic body, and are connected with the flange plate; and
the strain part is arranged between the two connecting parts, the strain part is provided with a patch groove, and the strain part is connected with the wire holder.
3. A flange-type weighing sensor according to claim 2, wherein the side wall of the elastic body is provided with a mounting groove, and the wire holder is mounted in the mounting groove.
4. A flange-type weighing cell according to any one of claims 1 to 3, wherein two of said patch grooves are provided, and two of said patch grooves are disposed opposite to each other.
5. A flange-type load cell according to claim 4, wherein the elastomer is provided with a sealing plate against the patch groove.
6. A flange-type load cell according to any one of claims 1 to 3, wherein the flange comprises:
the abutting part is arranged at one end of the flange plate, which is far away from the elastic body;
a pressure reducing portion, a tip of which is connected to the abutting portion, a diameter of which gradually increases in a direction away from the abutting portion; and
the locking piece is connected to the end face, facing the elastic body, of the flange plate and used for locking the piece to be detected in a matching mode.
7. The flange-type weighing sensor of claim 6 wherein a plurality of locking members are provided, the plurality of locking members are circumferentially equally distributed on the end face of the flange facing the elastic body, and fixing holes are formed in the abutting portion in a penetrating manner relative to the locking members.
8. A flange-type weighing sensor according to claim 7, wherein the flange plate is provided with a wire outlet hole therethrough.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322359389.6U CN220508193U (en) | 2023-08-31 | 2023-08-31 | Flange type weighing sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322359389.6U CN220508193U (en) | 2023-08-31 | 2023-08-31 | Flange type weighing sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220508193U true CN220508193U (en) | 2024-02-20 |
Family
ID=89882527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322359389.6U Active CN220508193U (en) | 2023-08-31 | 2023-08-31 | Flange type weighing sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220508193U (en) |
-
2023
- 2023-08-31 CN CN202322359389.6U patent/CN220508193U/en active Active
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| GR01 | Patent grant |