CN214748801U - Test fixture of plunger type resistance orifice plate - Google Patents
Test fixture of plunger type resistance orifice plate Download PDFInfo
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- CN214748801U CN214748801U CN202120626524.7U CN202120626524U CN214748801U CN 214748801 U CN214748801 U CN 214748801U CN 202120626524 U CN202120626524 U CN 202120626524U CN 214748801 U CN214748801 U CN 214748801U
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- limiting plate
- plate
- type resistance
- plunger type
- limiting
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Abstract
The utility model relates to a test fixture of plunger type resistance orifice plate, which comprises a base plate, preceding limiting plate, well limiting plate and back limiting plate, preceding limiting plate and back limiting plate support with plunger type resistance orifice plate front end and rear end respectively, back limiting plate is fixed in the base plate, first screw rod is worn to be equipped with respectively in both sides between preceding limiting plate and the back limiting plate, first screw rod both ends are provided with the first nut that offsets with preceding limiting plate and back limiting plate respectively, well limiting plate is fixed in the base plate and lies in before limiting plate and back limiting plate between, well limiting plate is provided with the spacing hole that supplies plunger type resistance hole to pass and supplies the guiding hole that first screw rod passed, spacing hole both sides are provided with the spacing face that plunger type resistance hole lateral surface offseted and paralleled respectively. Adopt above-mentioned scheme, the utility model provides a stable plunger type resistance orifice plate's of centre gripping test fixture.
Description
Technical Field
The utility model relates to a frock clamp field, concretely relates to test fixture of plunger type resistance orifice plate.
Background
The plunger type resistance orifice plate is a mechanism for adjusting the state of a fluid, a finished product needs to be tested in order to ensure the quality of the finished product of the plunger type resistance orifice plate, and a special clamp is needed for clamping because the front end and the rear end of the plunger type resistance orifice plate are cylindrical, and parallel clamping surfaces are respectively arranged on two sides of the plunger type resistance orifice plate, and a common clamp cannot stably clamp the plunger type resistance orifice plate.
Disclosure of Invention
Not enough to prior art exists, the utility model aims to provide a stable plunger type resistance orifice plate's of centre gripping test fixture.
In order to achieve the above purpose, the utility model provides a following technical scheme: the plunger type resistance orifice plate comprises a base plate, a front limiting plate, a middle limiting plate and a rear limiting plate, wherein the base plate is used for placing a plunger type resistance orifice plate, the front limiting plate and the rear limiting plate are respectively abutted against the front end and the rear end of the plunger type resistance orifice plate and are respectively provided with a limiting sinking groove matched with the corresponding end part shape of the plunger type resistance orifice plate, the rear limiting plate is fixed on the base plate, first screw rods are respectively penetrated through two sides between the front limiting plate and the rear limiting plate, first nuts abutted against the front limiting plate and the rear limiting plate are respectively arranged at two ends of the first screw rods, the rear limiting plate is provided with a pipeline through hole for a pipeline of the plunger type resistance orifice plate to pass through, the middle limiting plate is fixed on the base plate and is positioned between the front limiting plate and the rear limiting plate, the middle limiting plate is provided with a limiting hole for the plunger type resistance orifice to pass through and a guide hole for the first screw rods to pass through, and two sides of the limiting hole are respectively provided with a limiting surface which is abutted against and parallel to the outer side surface of the plunger type resistance hole.
By adopting the technical scheme, the base plate is used as the placing position of the plunger type resistance pore plate and the mounting position of other parts, the front limiting plate and the rear limiting plate form the longitudinal limiting of the plunger type resistance pore plate, the middle limiting pore plate forms the circumferential limiting of the plunger type resistance pore plate, so that the stable clamping of the plunger type resistance pore plate is realized, the test requirement on a finished product is met, the quality of the finished product and the accuracy of research and development data are ensured, and in addition, the first screw rod penetrates through the front limiting plate, the middle limiting plate and the rear limiting plate, so that the relative positions of the front limiting plate, the middle limiting plate and the rear limiting plate are more accurate.
The utility model discloses further set up to: the rear limiting plate is provided with rear fixing lugs on two sides respectively, the base plate is provided with rear adjusting grooves corresponding to the rear fixing lugs along the arrangement direction of the front limiting plate and the rear limiting plate, the rear fixing lugs and the rear adjusting grooves are provided with second screw rods in a penetrating mode, and second nuts which are abutted to the rear fixing lugs and the base plate are arranged at two ends of each second screw rod respectively.
By adopting the technical scheme, the rear fixing lugs on two sides ensure the reliable fixation of the rear limiting plate and the base plate, and the rear adjusting groove is matched to finely adjust the longitudinal position for adjusting the relative position of the plunger type resistance hole plate and the base part, so that the plunger type resistance hole plate can be conveniently adapted to different test environments.
The utility model discloses further set up to: the middle limiting plate is provided with middle fixing lugs on two sides respectively, the base plate is provided with middle adjusting grooves corresponding to the middle fixing lugs along the arrangement direction of the front limiting plate and the middle limiting plate, third screw rods penetrate through the middle fixing lugs and the middle adjusting grooves, and third nuts abutting against the middle fixing lugs and the base plate are arranged at two ends of each third screw rod respectively.
Through adopting above-mentioned technical scheme, the well fixed ear of both sides is guaranteed well reliable fixed of limiting plate and base plate, and the adjustment tank finely tunes the longitudinal position in the cooperation, guarantees and plunger type resistance orifice plate counterpoint the precision.
The utility model discloses further set up to: an arc surface which is propped against the outer side surface of the plunger type resistance hole is arranged between the limiting surfaces at the two sides.
Through adopting above-mentioned technical scheme, add the arcwall face, increase spacing hole and plunger type resistance hole lateral surface area of contact, further improve the spacing effect of circumference.
The utility model discloses further set up to: the side wall of the limiting hole is provided with an opening facing the substrate.
By adopting the technical scheme, the opening is additionally arranged, so that the assembly of the middle limit plate and the plunger type resistance orifice plate is more convenient.
Drawings
FIG. 1 is a perspective view of an embodiment of the present invention;
FIG. 2 is a perspective view of a rear limiting plate according to an embodiment of the present invention;
FIG. 3 is a perspective view of a front limiting plate according to an embodiment of the present invention;
fig. 4 is a perspective view of a limiting plate according to an embodiment of the present invention;
fig. 5 is a perspective view of the plunger type resistance orifice plate according to the embodiment of the present invention after installation.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1-5, the utility model discloses a test fixture of a plunger type resistance orifice plate, which comprises a base plate 1, a front limiting plate 2, a middle limiting plate 3 and a rear limiting plate 4, wherein the base plate 1 is used for placing the plunger type resistance orifice plate, the front limiting plate 2 and the rear limiting plate 4 are respectively abutted against the front end and the rear end of the plunger type resistance orifice plate and are respectively provided with a limiting sink 21 matched with the corresponding end shape of the plunger type resistance orifice plate, the rear limiting plate 4 is fixed on the base plate 1, first screws 22 are respectively penetrated at two sides between the front limiting plate 2 and the rear limiting plate 4, two ends of each first screw 22 are respectively provided with a first nut 23 abutted against the front limiting plate 2 and the rear limiting plate 4, the rear limiting plate 4 is provided with a pipeline through hole 41 for the pipeline of the plunger type resistance orifice plate to pass through, the middle limiting plate 3 is fixed on the base plate 1 and is positioned between the front limiting plate 2 and the rear limiting plate 4, the middle limiting plate 3 is provided with a limiting hole 31 for the plunger type resistance hole to pass through and a guide hole 32 for the first screw 22 to pass through, two sides of the limiting hole 31 are respectively provided with a limiting surface 311 which is abutted against and parallel to the outer side surface of the plunger type resistance hole, the base plate 1 is used as the placing position of the plunger type resistance hole plate and the mounting position of other parts, the front limiting plate 2 and the rear limiting plate 4 form the longitudinal limiting of the plunger type resistance hole plate, the middle limiting hole 31 forms the circumferential limiting of the plunger type resistance hole plate, so that the stable clamping of the plunger type resistance hole plate is realized, the test requirement on a finished product is met, the quality of the finished product and the accuracy of research and development data are ensured, in addition, the first screw 22 passes through the front limiting plate 2, the middle limiting plate 3 and the rear limiting plate 4, and the relative positions among the three are more accurate.
An arc surface 312 which is abutted against the outer side surface of the plunger type resistance hole is arranged between the limiting surfaces 311 on the two sides, the arc surface is additionally arranged, the contact area of the limiting hole 31 and the outer side surface of the plunger type resistance hole is increased, and the circumferential limiting effect is further improved.
The side wall of the limiting hole 31 is provided with an opening 313 facing the substrate 1, and the opening 313 is additionally arranged, so that the assembly of the middle limiting plate 3 and the plunger type resistance hole plate is more convenient.
During assembly, the rear limiting plate 4 is fixed on the base plate 1, the plunger type resistance hole plate is placed on the base plate 1, the rear end of the plunger type resistance hole plate is inserted into the limiting sinking groove 21 of the rear limiting plate 4, the limiting hole 31 of the middle limiting plate 3 is sleeved on the clamping surface of the plunger type resistance hole plate, the middle limiting plate 3 is fixed with the base plate 1, the limiting sinking groove 21 of the front limiting plate 2 covers the front end of the plunger type resistance hole plate, finally, the first screw 22 sequentially penetrates through the front limiting plate 2, the middle limiting plate 3 and the rear limiting plate 4, and the first screw 23 is locked to complete all steps.
Claims (5)
1. A test fixture of plunger type resistance orifice plate, its characterized in that: the plunger type resistance orifice plate comprises a base plate, a front limiting plate, a middle limiting plate and a rear limiting plate, wherein the base plate is used for placing a plunger type resistance orifice plate, the front limiting plate and the rear limiting plate are respectively abutted against the front end and the rear end of the plunger type resistance orifice plate and are respectively provided with a limiting sinking groove matched with the corresponding end part shape of the plunger type resistance orifice plate, the rear limiting plate is fixed on the base plate, first screw rods are respectively penetrated through two sides between the front limiting plate and the rear limiting plate, first nuts abutted against the front limiting plate and the rear limiting plate are respectively arranged at two ends of the first screw rods, the rear limiting plate is provided with a pipeline through hole for a pipeline of the plunger type resistance orifice plate to pass through, the middle limiting plate is fixed on the base plate and is positioned between the front limiting plate and the rear limiting plate, the middle limiting plate is provided with a limiting hole for the plunger type resistance orifice to pass through and a guide hole for the first screw rods to pass through, and two sides of the limiting hole are respectively provided with a limiting surface which is abutted against and parallel to the outer side surface of the plunger type resistance hole.
2. The test fixture of a plunger-type resistance orifice plate as set forth in claim 1, wherein: the rear limiting plate is provided with rear fixing lugs on two sides respectively, the base plate is provided with rear adjusting grooves corresponding to the rear fixing lugs along the arrangement direction of the front limiting plate and the rear limiting plate, the rear fixing lugs and the rear adjusting grooves are provided with second screw rods in a penetrating mode, and second nuts which are abutted to the rear fixing lugs and the base plate are arranged at two ends of each second screw rod respectively.
3. The test fixture of a plunger-type resistance orifice plate as set forth in claim 1, wherein: the middle limiting plate is provided with middle fixing lugs on two sides respectively, the base plate is provided with middle adjusting grooves corresponding to the middle fixing lugs along the arrangement direction of the front limiting plate and the middle limiting plate, third screw rods penetrate through the middle fixing lugs and the middle adjusting grooves, and third nuts abutting against the middle fixing lugs and the base plate are arranged at two ends of each third screw rod respectively.
4. The test fixture of a plunger-type resistance orifice plate as set forth in claim 1, wherein: an arc surface which is propped against the outer side surface of the plunger type resistance hole is arranged between the limiting surfaces at the two sides.
5. The test fixture of a plunger-type resistance orifice plate as set forth in claim 1, wherein: the side wall of the limiting hole is provided with an opening facing the substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120626524.7U CN214748801U (en) | 2021-03-27 | 2021-03-27 | Test fixture of plunger type resistance orifice plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120626524.7U CN214748801U (en) | 2021-03-27 | 2021-03-27 | Test fixture of plunger type resistance orifice plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214748801U true CN214748801U (en) | 2021-11-16 |
Family
ID=78597502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120626524.7U Active CN214748801U (en) | 2021-03-27 | 2021-03-27 | Test fixture of plunger type resistance orifice plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214748801U (en) |
-
2021
- 2021-03-27 CN CN202120626524.7U patent/CN214748801U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 325000 No. 361-363, Nancheng Road, Longgang Town, Cangnan County, Wenzhou City, Zhejiang Province (Chengdong Industrial Zone) Patentee after: CANGNAN AUTOMATION METER FACTORY Patentee after: Shanghai Nuclear Engineering Research and Design Institute Co.,Ltd. Address before: 325000 No. 361-363, Nancheng Road, Longgang Town, Cangnan County, Wenzhou City, Zhejiang Province (Chengdong Industrial Zone) Patentee before: CANGNAN AUTOMATION METER FACTORY Patentee before: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Co.,Ltd. |