CN219777056U - Disc spring performance detection device - Google Patents
Disc spring performance detection device Download PDFInfo
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- CN219777056U CN219777056U CN202320490778.XU CN202320490778U CN219777056U CN 219777056 U CN219777056 U CN 219777056U CN 202320490778 U CN202320490778 U CN 202320490778U CN 219777056 U CN219777056 U CN 219777056U
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- 238000001514 detection method Methods 0.000 title claims abstract description 34
- 238000006073 displacement reaction Methods 0.000 claims abstract description 30
- 238000009434 installation Methods 0.000 claims abstract description 14
- 125000003003 spiro group Chemical group 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 9
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 238000005259 measurement Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
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Abstract
The utility model discloses a disc spring performance detection device. This dish spring performance detection device includes: a base; the cover plate is provided with a cover plate adjusting hole, the cover plate is arranged on one side of the base, a disc spring installation space for installing a disc spring is formed between the cover plate and the base, and the distance between the cover plate and the base can be adjusted; the pressure sensor is fixed on the base and is positioned in the disc spring installation space; the screw comprises a screw head and a screw rod which are connected, the screw head is positioned on one side of the cover plate, which is away from the base, the effective diameter of the screw head is larger than the diameter of the cover plate adjusting hole, and the screw rod passes through the cover plate adjusting hole and is in threaded connection with the base or the pressure sensor; and a displacement detection unit for detecting the displacement of the cover plate. The disc spring performance detection device provided by the utility model has the advantages of good adaptability, simplicity in operation and accurate test result.
Description
Technical Field
The utility model relates to the technical field of displacement pressure testing devices, in particular to a disc spring performance detection device.
Background
The disc spring displacement-pressure curve is generally obtained through a pressure testing machine, and for a standard disc spring structure, such as a disc spring device structure, the structure which can be simultaneously applied to a pressure testing machine interface and the disc spring device interface needs to be designed so as to ensure accurate measurement of force, but the design difficulty is increased. For nonstandard belleville springs, the size and the structural form of the belleville springs often change greatly, and a common pressure testing machine is not suitable for the belleville springs, if a special testing machine is adopted, the research and development cost is increased.
Disclosure of Invention
The present utility model aims to solve, at least to some extent, one of the above technical problems in the prior art. Therefore, the disc spring performance detection device provided by the utility model has the advantages of good adaptability, simplicity in operation and accurate test result.
According to an embodiment of the utility model, a disc spring performance detection device comprises: a base; the cover plate is provided with a cover plate adjusting hole, the cover plate is arranged on one side of the base, a disc spring installation space for installing a disc spring is formed between the cover plate and the base, and the distance between the cover plate and the base can be adjusted; the pressure sensor is fixed on the base and is positioned in the disc spring installation space; the screw comprises a screw head and a screw rod which are connected, the screw head is positioned on one side of the cover plate, which is away from the base, the effective diameter of the screw head is larger than the diameter of the cover plate adjusting hole, and the screw rod passes through the cover plate adjusting hole and is in threaded connection with the base or the pressure sensor; and a displacement detection unit for detecting the displacement of the cover plate.
According to the disc spring performance detection device provided by the embodiment of the utility model, the disc spring installation space for installing the disc spring is formed between the cover plate and the base, the screw rod penetrates through the cover plate adjusting hole and is in threaded connection with the base or the pressure sensor, the adaptability is good, the operation is simple, and the test result is accurate.
According to some embodiments of the utility model, the disc spring performance detection apparatus further includes: the sleeve is arranged in the disc spring installation space, the outer diameter of one end of the sleeve, which is close to the cover plate, is smaller than the aperture of the cover plate adjusting hole, and the sleeve is provided with a disc spring installation position.
According to some embodiments of the utility model, the displacement detecting part comprises an annular groove, the annular groove is arranged on the surface of the screw head, which faces the cover plate, the projection of the annular groove on the cover plate is positioned in the cover plate adjusting hole, the axis of the annular groove is collinear with the axis of the screw, the annular groove is recessed away from the screw rod, the projection of one end of the sleeve, which is close to the cover plate, on the screw head is positioned in the annular groove, and the screw rod passes through the sleeve and is screwed to the base or the pressure sensor.
According to some embodiments of the utility model, the displacement detecting section further includes: the adjusting piece is arranged in the annular groove along the axial direction of the annular groove, and the thickness of the adjusting piece is adjustable.
According to some embodiments of the utility model, the adjusting member comprises one or more shims.
According to some embodiments of the utility model, the sleeve comprises a large diameter section and a small diameter section, the large diameter section is attached to the pressure sensor, the small diameter section is smaller than the large diameter section in outer diameter, the small diameter section is connected with one side of the large diameter section, which is away from the pressure sensor, and a step surface between the large diameter section and the small diameter section forms the disc spring mounting position.
According to some embodiments of the utility model, the pressure sensor comprises: the sensor comprises a sensor body and a sensor fixing seat, wherein the sensor body is fixed on the base through the sensor fixing seat, a threaded hole is formed in the sensor fixing seat or the base, and the screw rod penetrates through the sleeve and is in threaded connection with the threaded hole.
According to some embodiments of the present utility model, the base is further provided with an avoidance hole, the avoidance hole is located at one side of the threaded hole away from the sleeve, the avoidance hole is disposed corresponding to the threaded hole, and an effective aperture of the avoidance hole is larger than an aperture of the threaded hole.
According to some embodiments of the utility model, the disc spring performance detection device further comprises a guide rod, the guide rod is fixed on the base, a cover plate guide hole is formed in the cover plate, and the guide rod penetrates through the cover plate guide hole and can move along the guide rod.
According to some embodiments of the utility model, the displacement detecting section includes a displacement scale that is located on the guide bar and is disposed along a guide direction of the guide bar.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
FIG. 1 is a schematic view of a screw according to an embodiment of the present utility model;
FIG. 2 is a perspective view of a screw according to an embodiment of the present utility model;
FIG. 3 is a cross-sectional view of a screw according to an embodiment of the present utility model;
FIG. 4 is a schematic view of a gasket according to an embodiment of the present utility model;
FIG. 5 is a schematic diagram of a disc spring performance detection apparatus according to an embodiment of the present utility model;
FIG. 6 is a cross-sectional view of a disc spring performance detection apparatus according to an embodiment of the present utility model;
fig. 7 is a schematic view of a guide bar with displacement scales according to an embodiment of the present utility model.
Reference numerals: screw 10, screw head 11, screw 12, first side 13, annular groove 14, spacer 15, disc spring performance detecting device 200, base 201, cover 202, cover adjustment hole 2021, cover guide hole 2022, guide rod 203, pressure sensor 204, sensor body 205, sensor holder 206, threaded hole 207, relief hole 208, sleeve 209, large diameter section 210, small diameter section 211, disc spring 212.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
In the description of the present utility model, it should be understood that the terms "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may communicate with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. 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.
A disc spring performance detection apparatus 200 according to an embodiment of the present utility model is described in detail below with reference to fig. 1 to 7.
The disc spring performance detecting apparatus 200 according to an embodiment of the present utility model may include: base 201, cover 202, pressure sensor 204, screw 10, and displacement detection unit. Wherein, a cover plate adjusting hole 2021 is formed on the cover plate 202, the cover plate 202 is disposed on one side of the base 201, a disc spring mounting space for mounting the disc spring 212 is formed between the cover plate 202 and the base 201, and the distance between the cover plate 202 and the base 201 is adjustable so as to reduce the distance between the cover plate 202 and the base 201 to compress the disc spring 212 to be tested, or increase the distance between the cover plate 202 and the base 201 to remove the compression of the disc spring 212 to be tested. The pressure sensor 204 is fixed to the base 201, and the pressure sensor 204 is located in the disc spring installation space. Optionally, the pressure sensor 204 is configured to detect the pressure experienced by the disc spring 212.
As shown in fig. 1 to 3, the screw 10 includes the screw head 11 and the screw shaft 12 connected, the screw head 11 is located at a side of the cover 202 facing away from the base 201, and the effective diameter of the screw head 11 is larger than the diameter of the cover adjusting hole 2021, so that the screw head 11 does not directly press the disc spring 212, and the screw head 11 can apply pressure to the disc spring 212 through the cover 202, thereby increasing the contact area between the cover 202 and the disc spring 212. The screw 12 passes through the cover adjustment hole 2021 and is screwed to the base 201 or the pressure sensor 204. The displacement detecting portion is configured to detect the displacement of the cover plate 202, thereby detecting the compression displacement of the disc spring 212. The relationship between the pressure and the displacement received by the disc spring 212 can be measured by the pressure sensor 204 and the displacement detecting portion.
Optionally, as shown in fig. 6, a threaded hole 207 is provided at a position where the pressure sensor 204 faces the screw 12, the screw 12 may be screwed with the pressure sensor 204, when the screw 10 is screwed down, the screw head 11 presses the cover plate 202 downward, the cover plate 202 compresses the disc spring 212 to displace, and the pressure received by the disc spring 212 is transferred to the pressure sensor 204, so that the pressure can be read. In some embodiments of the utility model not shown in the figures, the screw 12 may also be screwed to the base 201.
According to the disc spring performance detection device of the embodiment of the utility model, a disc spring installation space for installing the disc spring 212 is formed between the cover plate 202 and the base 201, the screw 12 passes through the cover plate adjusting hole 2021 and is in threaded connection with the base 201 or the pressure sensor 204, and the disc spring performance detection device 200 has a simple and flexible structure, is not limited by the interface type of a press machine and the structural form of the disc spring 212, has good adaptability, is easy to operate, and has accurate test results.
In some embodiments of the present utility model, referring to fig. 5-6, the disc spring performance detection apparatus may further include a sleeve 209. The sleeve 209 is disposed in the disc spring mounting space, and an outer diameter of an end of the sleeve 209 near the cover plate 202 is smaller than an aperture of the cover plate adjusting hole 2021, so that an upper end of the sleeve 209 can pass through the cover plate adjusting hole 2021. The sleeve 209 has a disc spring mounting location, optionally, a disc spring 212 is mounted on the sleeve 209 to prevent the disc spring 212 from dislocating during compression, affecting the measurement. When there is only one disc spring 212, the disc spring 212 may be directly placed in the disc spring installation space without being fixed to the sleeve 209.
In some embodiments of the present utility model, referring to fig. 1-3, the displacement detecting portion may include an annular groove 14, the annular groove 14 being provided on a surface of the screw head 11 facing the cover plate 202, a projection of the annular groove 14 on the cover plate 202 being located in the cover plate adjustment hole 2021, an axis of the annular groove 14 being collinear with an axis of the screw 10, the annular groove 14 being recessed in a direction away from the screw 12. Alternatively, as shown in fig. 2, the screw head 11 has a first side 13, the screw 12 being arranged on the first side 13, and the first side 13 being provided with an annular groove 14. The projection of the end of the sleeve 209 near the cover plate 202 on the screw head 11 is located in the annular groove 14, and the screw 12 passes through the sleeve 209 and is screwed to the base 201 or the pressure sensor 204. When the screw 10 is screwed, the head 11 presses against the cover plate 202, the disc spring 212 is compressed, and the sleeve 209 can extend into the annular recess 14 to control the depth of screwing of the screw 10.
Optionally, the annular recess 14 is a circular annular recess, so that the sleeve 209 can extend into the annular recess 14 when the screw 10 rotates, i.e. the cooperation of the annular recess 14 and the sleeve 209 does not affect the rotation of the screw 10.
Wherein when the screw head 11 is circular, the effective diameter of the screw head 11 is the diameter of the circular screw head; when the screw head 11 is of a non-circular configuration, such as a pentagonal screw, a hexagonal screw, etc., the effective diameter of the screw head 11 is the furthest distance between any two points on the screw head 11 in a plane perpendicular to the axis of the screw 10.
In some embodiments of the present utility model, the displacement detecting portion may further include an adjusting member disposed in the annular groove 14 in an axial direction of the annular groove 14, and the thickness of the adjusting member may be adjustable. By placing adjustment members of different thickness, the actual depth of the annular recess 14 after the adjustment members are added can be adjusted. It will be appreciated that the "actual depth" refers to the depth of the annular groove 14 minus the thickness of the adjustment member.
In some embodiments of the utility model, referring to fig. 4, the adjustment member includes one or more shims 15. The thickness of the adjustment member may be varied by varying the thickness of a single shim 15, and when there are a plurality of shims 15, the thickness of the adjustment member may also be varied by varying the number of shims 15.
In some embodiments of the present utility model, referring to FIG. 6, sleeve 209 comprises a large diameter section 210 and a small diameter section 211, the large diameter section 210 is attached to the pressure sensor 204, the small diameter section 211 has an outer diameter smaller than the outer diameter of the large diameter section 210, and the small diameter section 211 is connected to the side of the large diameter section 210 facing away from the pressure sensor 204, and the step surface between the large diameter section 210 and the small diameter section 211 forms a disc spring mounting location. As shown in fig. 6, an end of the sleeve 209 near the cover plate 202 is a small-diameter section 211, an end of the sleeve 209 near the pressure sensor 204 is a large-diameter section 210, that is, an upper end of the sleeve 209 is a small-diameter section 211, and a lower end of the sleeve 209 is a large-diameter section 210. In this way, the pressure experienced by disc spring 212 may be transferred to pressure sensor 204 through large diameter section 210, and the stepped surface between small diameter section 211 and large diameter section 210 facilitates installation of disc spring 212. Alternatively, when the disc spring 212 is not under pressure and the initial position of the upper surface of the sleeve 209 is level with the upper surface of the cover plate 202, the maximum distance the disc spring 212 can be compressed is the depth of the annular groove 14 minus the thickness of the adjustment member; when the initial position of the upper surface of the sleeve 209 is not flush with the upper surface of the cover plate 202, the disc spring 212 is compressively displaced by the distance from the upper surface of the sleeve 209 to the lower surface of the regulator.
In some embodiments of the present utility model, referring to fig. 5 and 6, the pressure sensor 204 may include: a sensor body 205 and a sensor holder 206, the sensor body 205 being fixed to the base 201 by the sensor holder 206. Optionally, the sensor fixing base 206 is fixed on the base 201 by a screw, the sensor body 205 is fixed on the sensor fixing base 206 by a screw, so that the pressure sensor 204 can be replaced conveniently, and when the sizes of the mounting holes of different sensor bodies 205 are inconsistent, only the corresponding sensor fixing base 206 is needed to be selected, and the positions of the connecting holes between the sensor fixing base 206 and the base 201 can be designed as fixed positions, so that the number of holes on the base 201 is reduced.
The sensor holder 206 or the base 201 is provided with a threaded hole 207, and the screw 12 passes through the sleeve 209 and is screwed with the threaded hole 207. Optionally, referring to fig. 6, a threaded hole 207 is formed in the sensor holder 206, and the screw 12 is screwed into the threaded hole 207 through a sleeve 209. In some embodiments of the utility model, not shown in the figures, the base 201 is provided with a threaded hole 207, and the screw 12 passes through the sleeve 209, the sensor holder 206 and is screwed with the base 201.
In some embodiments of the present utility model, referring to fig. 6, an avoidance hole 208 is further formed on the base 201, where the avoidance hole 208 is located on a side of the threaded hole 207 away from the sleeve 209, the avoidance hole 208 is disposed corresponding to the threaded hole 207, and an effective aperture of the avoidance hole 208 is larger than an aperture of the threaded hole 207. When the screw 10 is screwed down, the screw rod 12 extends into the threaded hole 207, and the base 201 is provided with the avoidance hole 208, so that the screw rod 12 can extend further after extending out of the threaded hole 207, and the disc spring 212 is ensured to have enough compression displacement. Optionally, the avoidance hole 208 is a cylindrical hole coaxially arranged with the threaded hole 207, and of course, the avoidance hole 208 may be a polygonal prism hole, so long as the effective diameter of the avoidance hole 208 is ensured to be greater than the diameter of the threaded hole 207.
In some embodiments of the present utility model, referring to fig. 5 to 6, the disc spring performance detecting apparatus 200 further includes a guide rod 203, the guide rod 203 is fixed to the base 201, a cover plate 202 is provided with a cover plate guide hole 2022, the guide rod 203 passes through the cover plate guide hole 2022, and the cover plate 202 can move along the guide rod 203. As shown in fig. 5 to 6, the cover 202 is provided with a cover adjusting hole 2021 and a cover guiding hole 2022. Optionally, a cover adjusting hole 2021 and a plurality of cover guiding holes 2022 are formed in the cover 202, the cover adjusting hole 2021 is located at the center of the cover 202, and the plurality of cover guiding holes 2022 are disposed on the cover 202 in a dispersed manner with the cover adjusting hole 2021 as the center. One end of the guide rod 203 is fixed to the base 201, and the other end of the guide rod 203 passes through the cover plate guide holes 2022, optionally, four cover plate guide holes 2022 are formed in the cover plate 202, and each cover plate guide hole 2022 can be penetrated by one guide rod 203. In the screwing process of the screw 10, the four guide rods 203 can ensure that the cover plate 202 moves along the guide rods 203, the cover plate 202 cannot rotate under the action of friction force of the screw 10, abrasion of the cover plate 202 can be reduced, and the whole device is more stable.
In some embodiments of the present utility model, referring to fig. 5 and 7, the displacement detecting part includes a displacement scale that is located on the guide rod 203 and is disposed along the guide direction of the guide rod 203. The displacement scale can be used to measure the compression position of the disc spring 212 intuitively and accurately, for example, when the cover plate 202 moves downwards, the downwards moving amount of the cover plate 202 can be obtained by reading the value of the displacement scale, and the downwards moving amount reflects the compression amount of the disc spring 212.
Alternatively, as shown in fig. 5, the number of guide rods 203 is 4, 4 guide rods 203 are arranged on the cover plate 202 in a scattered manner, so that the cover plate 202 moves stably, and displacement scales can be arranged on one guide rod 203 or on a plurality of guide rods 203.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Further, one skilled in the art can engage and combine the different embodiments or examples described in this specification.
While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.
Claims (10)
1. A disc spring performance detection apparatus, comprising:
a base (201);
the cover plate (202) is provided with a cover plate adjusting hole, the cover plate (202) is arranged on one side of the base (201), a disc spring installation space for installing a disc spring is formed between the cover plate (202) and the base (201), and the distance between the cover plate (202) and the base (201) can be adjusted;
-a pressure sensor (204), the pressure sensor (204) being fixed to the base (201) and the pressure sensor (204) being located within the disc spring mounting space;
a screw (10), the screw (10) comprising a screw head (11) and a screw rod (12) which are connected, the screw head (11) is positioned on one side of the cover plate (202) which is away from the base (201), the effective diameter of the screw head (11) is larger than the diameter of the cover plate adjusting hole, and the screw rod (12) passes through the cover plate adjusting hole and is in threaded connection with the base (201) or the pressure sensor (204);
and a displacement detection unit for detecting the displacement of the cover plate (202).
2. The disc spring performance detection apparatus according to claim 1, further comprising: the sleeve (209), sleeve (209) set up in the dish spring installation space, the one end external diameter that is close to of sleeve (209) apron (202) is less than the aperture of apron regulation hole, just sleeve (209) have dish spring installation position.
3. Disc spring performance detection device according to claim 2, characterized in that the displacement detection part comprises an annular groove (14), the annular groove (14) is arranged on the surface of the screw head (11) facing the cover plate (202), the projection of the annular groove (14) on the cover plate (202) is positioned in the cover plate adjusting hole, the axis of the annular groove (14) is collinear with the axis of the screw (10), the annular groove (14) is recessed in a direction away from the screw rod (12), the projection of the end of the sleeve (209) close to the cover plate (202) on the screw head (11) is positioned in the annular groove (14), and the screw rod (12) passes through the sleeve (209) and is screwed to the base (201) or the pressure sensor (204).
4. A disc spring performance detection apparatus according to claim 3, wherein the displacement detection section further includes: the adjusting piece is arranged in the annular groove (14) along the axial direction of the annular groove (14), and the thickness of the adjusting piece is adjustable.
5. Disc spring performance detection device according to claim 4, characterized in that the adjustment member comprises one or more shims (15).
6. The disc spring performance detection device according to claim 2, wherein the sleeve (209) comprises a large diameter section (210) and a small diameter section (211), the large diameter section (210) is attached to the pressure sensor (204), the small diameter section (211) has an outer diameter smaller than that of the large diameter section (210), and the small diameter section (211) is connected to a side of the large diameter section (210) facing away from the pressure sensor (204), and a step surface between the large diameter section (210) and the small diameter section (211) forms the disc spring mounting position.
7. Disc spring performance detection apparatus according to claim 2, characterized in that the pressure sensor (204) comprises: sensor body (205) and sensor fixing base (206), sensor body (205) are passed through sensor fixing base (206) are fixed in base (201), sensor fixing base (206) or offer threaded hole (207) on base (201), screw rod (12) pass sleeve (209) and spiro union in threaded hole (207).
8. The disc spring performance detection device according to claim 7, wherein the base (201) is further provided with an avoidance hole (208), the avoidance hole (208) is located at one side of the threaded hole (207) away from the sleeve (209), the avoidance hole (208) is arranged corresponding to the threaded hole (207), and the effective aperture of the avoidance hole (208) is larger than the aperture of the threaded hole (207).
9. Disc spring performance detection apparatus according to any one of claims 1-8, further comprising a guiding rod (203), wherein the guiding rod (203) is fixed on the base (201), wherein the cover plate (202) is provided with a cover plate guiding hole, wherein the guiding rod (203) passes through the cover plate guiding hole and the cover plate (202) can move along the guiding rod (203).
10. The disc spring performance detection apparatus according to claim 9, wherein the displacement detection portion includes a displacement scale that is located on the guide lever (203) and is disposed along a guide direction of the guide lever (203).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320490778.XU CN219777056U (en) | 2023-03-09 | 2023-03-09 | Disc spring performance detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320490778.XU CN219777056U (en) | 2023-03-09 | 2023-03-09 | Disc spring performance detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219777056U true CN219777056U (en) | 2023-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320490778.XU Active CN219777056U (en) | 2023-03-09 | 2023-03-09 | Disc spring performance detection device |
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| Country | Link |
|---|---|
| CN (1) | CN219777056U (en) |
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2023
- 2023-03-09 CN CN202320490778.XU patent/CN219777056U/en active Active
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