CN217765486U - Clamping tool for nozzle flow test - Google Patents
Clamping tool for nozzle flow test Download PDFInfo
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- CN217765486U CN217765486U CN202221861333.XU CN202221861333U CN217765486U CN 217765486 U CN217765486 U CN 217765486U CN 202221861333 U CN202221861333 U CN 202221861333U CN 217765486 U CN217765486 U CN 217765486U
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- nozzle
- base
- air inlet
- pressure plate
- flow test
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Abstract
The utility model discloses a clamping tool for nozzle flow test, which comprises a base, wherein the middle part of the base is provided with an air inlet, and the top of the air inlet is provided with an embedding groove; vertical rods are symmetrically arranged on the top surface of the base at two sides of the air inlet; a pressing plate is sleeved between the top ends of the two vertical rods in a sliding manner; a support nut and a locking nut are sleeved on the vertical rod in a threaded manner, and a pressing block is arranged below the pressing plate; the pressing plate is provided with two screw holes, the screw holes are in threaded connection with adjusting bolts, the top surface of the pressing block is provided with grooves in one-to-one correspondence with the adjusting bolts, and the bottom surface of the pressing block is provided with a fixed molded surface. The utility model discloses a clamping frock simple structure, it is convenient to install, and is fixed firm, and the leakproofness is good, can ensure experimental accuracy.
Description
Technical Field
The utility model relates to a work piece flow test technical field especially relates to a clamping frock for nozzle flow test.
Background
The nozzle is one of important parts in the technical field of aviation, and is designed into various structural forms in order to meet working requirements. In the nozzle shown in fig. 1, three air inlets are formed at the bottom end of the nozzle, and an air outlet is formed in the middle of the front surface of the nozzle. After the nozzle is formed, an air flow test needs to be carried out on the nozzle to verify the performance of the nozzle. The three inlet port of this nozzle all does not have the pipe joint, and unable direct and tester links to each other, consequently needs a clamping frock to fix this nozzle promptly to be connected with the tester, satisfy the experimental demand of air mass flow.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned defect or not enough among the prior art, it is desirable to provide a simple structure, and the installation is convenient, and is fixed firm, and the leakproofness is good, can ensure the experimental accuracy be used for the experimental clamping frock of nozzle flow.
The utility model provides a clamping frock for nozzle flow test, which comprises a base, wherein the middle part of the base is provided with an air inlet, and the top of the air inlet is provided with an embedding groove matched with the bottom profile of the nozzle; vertical rods are symmetrically arranged on the top surface of the base and positioned on two sides of the air inlet; a pressing plate is sleeved between the top ends of the two vertical rods in a sliding manner; a support nut is sleeved on the vertical rod below the pressure plate in a threaded manner, a locking nut is sleeved on the vertical rod above the pressure plate in a threaded manner, and a pressing block is arranged below the pressure plate and right above the air inlet; the pressure plate is provided with two screw holes above the pressing block, the screw holes are connected with adjusting bolts through threads, the top surface of the pressing block is provided with grooves corresponding to the adjusting bolts one to one, and the bottom surface of the pressing block is provided with a fixed profile matched with the top profile of the nozzle.
Further, a first sealing ring is arranged between the caulking groove and the bottom end of the nozzle; the bottom surface of base is located be provided with the second sealing washer on the periphery of air inlet.
Furthermore, a circle of mounting ring is fixedly arranged at the bottom end of the side wall of the base along the circumferential direction.
Further, a first gasket is arranged between the supporting nut and the pressure plate; a second gasket is arranged between the locking nut and the pressure plate; and a third gasket is arranged between the adjusting bolt and the pressure plate.
Furthermore, the bottom end of the vertical rod is in threaded connection with the base.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a clamping frock sets up the air inlet on the base, sets up the caulking groove again at the top of air inlet, is provided with the bottom butt joint embedding caulking groove of three inlet port with the nozzle in, rethread clamp plate cooperation briquetting compresses tightly fixedly to the nozzle. After the nozzle is compressed and fixed, the air inlet at the bottom of the base is butted with the flange of the tester, the base is fixedly connected with the flange through the pressing strip matched bolt, and then the air flow test can be carried out. The clamping tool is simple in structure, convenient to install, stable in fixation, good in sealing performance and capable of ensuring the accuracy of the test.
It should be understood that what is described in this summary section is not intended to limit key or critical features of embodiments of the invention, nor is it intended to limit the scope of the invention. Other features of the present invention will become apparent from the following description.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments made with reference to the following drawings:
FIG. 1 is a front view of a nozzle;
FIG. 2 is a schematic bottom view of the nozzle;
FIG. 3 is a schematic side view of the nozzle;
FIG. 4 is a schematic structural view of the clamping tool;
FIG. 5 is a schematic top view of the base;
FIG. 6 is a schematic structural diagram of a briquette;
fig. 7 isbase:Sub>A schematic cross-sectional view taken along linebase:Sub>A-base:Sub>A in fig. 6.
Reference numbers in the figures: 1. a nozzle; 2. a base; 3. a vertical rod; 4. pressing a plate; 5. briquetting;
11. an air inlet; 12. an air outlet;
21. an air inlet; 22. caulking grooves; 23. a first seal ring; 24. a second seal ring; 25. a mounting ring;
31. a support nut; 32. locking the nut; 33. a first gasket; 34. a second gasket;
41. a screw hole; 42. adjusting the bolt; 43. a third gasket;
51. a groove; 52. and fixing the molded surface.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and are not limiting of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Referring to fig. 1 to 7, an embodiment of the present invention provides a clamping tool for a nozzle flow test, including a base 2, an air inlet 21 is disposed in the middle of the base 2, and a caulking groove 22 matched with the bottom end profile of the nozzle 1 is disposed at the top of the air inlet 21; the vertical rods 3 are symmetrically arranged on the top surface of the base 2 at two sides of the air inlet 21; a pressing plate 4 is sleeved between the top ends of the two vertical rods 3 in a sliding manner; a support nut 31 is sleeved on the vertical rod 3 through threads below the pressure plate 4, a locking nut 32 is sleeved on the vertical rod 3 through threads above the pressure plate 4, and a pressing block 5 is arranged below the pressure plate 4 and right above the air inlet 21; two screw holes 41 are formed in the pressing plate 4 above the pressing block 5, adjusting bolts 42 are connected to the screw holes 41 in a threaded mode, grooves 51 which correspond to the adjusting bolts 42 in a one-to-one mode are formed in the top face of the pressing block 5, and a fixing molded face 52 matched with the top outline of the nozzle 1 is arranged on the bottom face of the pressing block 5.
In the embodiment, for the nozzle 1 shown in fig. 1, the air inlet hole 11 of the nozzle 1 is arranged at the bottom and has no pipe joint, so the clamping tool of the application is adopted to assist the connection between the nozzle 1 and the tester so as to carry out the air flow test. When the nozzle 1 is fixedly installed, the bottom of the nozzle 1 provided with the three air inlet holes 11 is firstly butted and embedded into the caulking groove 22, and then the bottom end of the nozzle 1 is tightly pressed and fixed in the caulking groove 22 by the pressing plate 4 in cooperation with the pressing block 5. After the nozzle 1 is pressed and fixed, the air inlet 21 at the bottom of the base 2 is butted with a flange of a tester, and the base 2 is fixedly connected with the flange through a pressing strip matched bolt, so that an air flow test can be carried out.
In the process of installing and fixing the nozzle 1, the fixing effect of the nozzle 1 is affected due to the long length of the pressing plate 4 or the deformation of the pressing plate 4 after multiple uses. The pressing force of the pressing block 5 can be increased through the adjusting bolt 42, and the fixing stability of the nozzle 1 is ensured.
The clamping tool is simple in structure, convenient to install, stable in fixation, good in sealing performance and capable of ensuring the accuracy of the test.
In a preferred embodiment, as shown in fig. 4 and 5, a first sealing ring 23 is arranged between the caulking groove 22 and the bottom end of the nozzle 1; a second gasket 24 is provided on the bottom surface of the base 2 at the outer periphery of the air inlet 21. The butt joint tightness of the nozzle 1 and the tester is effectively improved, and the accuracy of the test is ensured.
In a preferred embodiment, as shown in fig. 4 and 5, a ring of mounting rings 25 is fixedly arranged at the bottom end of the side wall of the base 2 along the circumferential direction. After the base 2 is in butt joint with the tester flange, the tester flange is conveniently fixed through a pressing strip.
In a preferred embodiment, as shown in fig. 4, a first washer 33 is provided between the support nut 31 and the pressure plate 4; a second washer 34 is arranged between the locking nut 32 and the pressure plate 4; a third washer is provided between the adjusting bolt 42 and the pressure plate 43.
In a preferred embodiment, as shown in fig. 4, the bottom end of the vertical rod 3 is connected with the base 2 by screw threads, so that the vertical rod 3 can be conveniently dismounted when the clamping tool is not used, and the occupied storage space can be reduced.
In the description of the present specification, the terms "connect", "mount", "fix", and the like are to be understood in a broad sense, for example, "connect" may be a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In the description of the present application, the description of the terms "one embodiment," "some embodiments," 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 application. In this specification, the schematic representations of the terms used above do not necessarily refer 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.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (5)
1. A clamping tool for a nozzle flow test is characterized by comprising a base, wherein an air inlet is formed in the middle of the base, and a caulking groove matched with the bottom end profile of a nozzle is formed in the top of the air inlet; vertical rods are symmetrically arranged on the top surface of the base and positioned on two sides of the air inlet; a pressing plate is sleeved between the top ends of the two vertical rods in a sliding manner; a support nut is sleeved on the vertical rod through threads below the pressure plate, a locking nut is sleeved on the vertical rod through threads above the pressure plate, and a pressing block is arranged below the pressure plate and right above the air inlet; the pressure plate is provided with two screw holes above the pressing block, the screw holes are connected with adjusting bolts through threads, the top surface of the pressing block is provided with grooves corresponding to the adjusting bolts one to one, and the bottom surface of the pressing block is provided with a fixed profile matched with the top profile of the nozzle.
2. The clamping tool for the nozzle flow test as claimed in claim 1, wherein a first sealing ring is arranged between the caulking groove and the bottom end of the nozzle; the bottom surface of base is located be provided with the second sealing washer on the periphery of air inlet.
3. The clamping tool for the nozzle flow test as recited in claim 1, wherein a circle of mounting ring is fixedly arranged at the bottom end of the side wall of the base along the circumferential direction.
4. The clamping tool for the nozzle flow test according to claim 1, wherein a first gasket is arranged between the support nut and the pressure plate; a second washer is arranged between the locking nut and the pressure plate; and a third gasket is arranged between the adjusting bolt and the pressure plate.
5. The clamping tool for the nozzle flow test as recited in claim 1, wherein the bottom end of the vertical rod is in threaded connection with the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221861333.XU CN217765486U (en) | 2022-07-20 | 2022-07-20 | Clamping tool for nozzle flow test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221861333.XU CN217765486U (en) | 2022-07-20 | 2022-07-20 | Clamping tool for nozzle flow test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217765486U true CN217765486U (en) | 2022-11-08 |
Family
ID=83875747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221861333.XU Active CN217765486U (en) | 2022-07-20 | 2022-07-20 | Clamping tool for nozzle flow test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217765486U (en) |
-
2022
- 2022-07-20 CN CN202221861333.XU patent/CN217765486U/en active Active
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