CN215767949U - Pressure detection device - Google Patents
Pressure detection device Download PDFInfo
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- CN215767949U CN215767949U CN202122018491.0U CN202122018491U CN215767949U CN 215767949 U CN215767949 U CN 215767949U CN 202122018491 U CN202122018491 U CN 202122018491U CN 215767949 U CN215767949 U CN 215767949U
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Abstract
The utility model provides a pressure detection device, which belongs to the technical field of pressure detection equipment and comprises a first connecting part, a second connecting part, a connecting structure and a plug-in part; the first connecting part is provided with a first mounting hole and a water inlet hole, one end of the water inlet hole is communicated with the first mounting hole, and the other end of the water inlet hole is suitable for being communicated with a water outlet pipe of the hydrostatic test equipment; the inner peripheral wall of the first mounting hole is suitable for being in contact with the outer peripheral wall of one end of the workpiece, and the high-pressure chamber on the workpiece faces the first mounting hole; the second connecting part is provided with a butting surface; the connecting structure is provided with a first connecting end and a second connecting end; the inserting part is connected with the hole bottom of the first mounting hole and is suitable for being inserted into a high-pressure chamber of a workpiece; a detection gap is formed between the outer peripheral wall of the insertion part and the inner peripheral wall of the high-pressure chamber; compared with the prior art, through the cooperation of first connecting portion, second connecting portion, connection structure and grafting portion, can the water economy resource when carrying out water pressure test to the high pressure chamber, and can reduce the potential safety hazard.
Description
Technical Field
The utility model belongs to the technical field of pressure detection equipment, and particularly relates to a pressure detection device.
Background
When the part is provided with the high-pressure chamber, the high-pressure chamber needs to bear the pressure of dozens of megapascals, so that a hydrostatic test needs to be carried out on the high-pressure chamber of the part; in the prior art, a hydraulic test is performed on a high-pressure chamber of a part through hydraulic test equipment.
When the test is carried out, filling water into a high-pressure chamber of the part, and gradually increasing the pressure of the water until a preset water pressure is reached; and judging whether the part is qualified or not according to the seepage and deformation conditions of the part.
However, in the prior art, the pressure test can be carried out only after the high-pressure chamber is filled with water, which wastes water resources; and after the part is broken, the pressure water in the high-pressure chamber can be sprayed outwards, so that potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a pressure detection device, and aims to solve the technical problems that water resources are wasted and potential safety hazards exist when a high-pressure chamber is subjected to a hydrostatic test in the prior art.
In order to achieve the purpose, the utility model adopts the technical scheme that:
provided is a pressure detection device including:
the first connecting part is provided with a first mounting hole and a water inlet hole, one end of the water inlet hole is communicated with the first mounting hole, and the other end of the water inlet hole is suitable for being communicated with a water outlet pipe of the hydrostatic test equipment; the inner peripheral wall of the first mounting hole is suitable for being in contact with the outer peripheral wall of one end of a workpiece, and a high-pressure chamber on the workpiece faces the first mounting hole;
a second connecting portion having an abutting surface adapted to abut the other end of the workpiece;
the connecting structure is provided with a first connecting end which can be connected with the first connecting part and a second connecting end which can be connected with the second connecting part; and
the inserting part is connected with the hole bottom of the first mounting hole and is suitable for being inserted into a high-pressure chamber of a workpiece; a detection gap is formed between the outer peripheral wall of the insertion part and the inner peripheral wall of the high-pressure chamber;
when the first connecting part and the second connecting part are respectively connected with two ends of a workpiece, the first connecting end is connected with the first connecting part, and the second connecting end is connected with the second connecting part; the insertion part is inserted into the high-pressure chamber of the workpiece.
In a possible implementation manner, a first sealing structure is arranged between the inner peripheral wall of the first mounting hole and the outer peripheral wall of the workpiece.
In one possible implementation, the insertion part has a water inlet pipeline communicated with the water inlet hole, and a water outlet pipeline communicated with the water inlet pipeline; the water outlet pipeline is arranged along the diameter direction of the water inlet pipeline, and the water outlet pipeline is provided with a water outlet communicated with the detection gap.
In a possible implementation manner, the insertion part is provided with a penetrating end which is suitable for penetrating out of the high-pressure chamber, and the second connecting part is provided with a through hole which is suitable for the penetrating end to penetrate through; the connecting structure connects the penetrating end and the second connecting part,
in some embodiments, the second connecting portion is provided with a second mounting hole suitable for being plugged with a workpiece, and an inner peripheral wall of the second mounting hole is in contact with an outer peripheral wall of the workpiece
In some embodiments, a second sealing structure is arranged between the inner peripheral wall of the second mounting hole and the outer peripheral wall of the workpiece.
In some embodiments, the diameter of the second mounting hole is larger than the diameter of the through hole.
In some embodiments, the through end is provided with an external thread, and the connecting structure comprises a nut which is in threaded fit with the through end
In some embodiments, a third sealing structure is disposed between the inner peripheral wall of the through hole and the outer peripheral wall of the through end.
In a possible implementation, the outer peripheral surface of the second connecting portion is provided with knurling.
In the embodiment of the application, before the workpiece is tested, one end of the workpiece is inserted into the first mounting hole, so that the open end of the high-pressure chamber faces the first mounting hole; the abutting surface of the second connecting part abuts against the other end of the workpiece, and the first connecting part and the second connecting part are connected through the first connecting end and the second connecting end, so that the workpiece can be stably fixed between the first connecting part and the second connecting part; because the insertion part is connected with the bottom of the first mounting hole, after the workpiece is fixed between the first connecting part and the second connecting part, the free end of the insertion part is inserted into the high-pressure chamber of the workpiece, and a detection gap is formed between the outer peripheral wall of the insertion part and the inner peripheral wall of the high-pressure chamber; water is introduced into the water inlet hole through the water outlet pipe of the hydraulic test equipment, the detection gap can be filled with water, the pressure of the water in the detection gap can be increased to preset pressure, and the hydraulic test of a high-pressure cavity of a workpiece is facilitated.
Because the volume of the detection gap is smaller than that of the high-pressure chamber, when the workpiece is subjected to a hydrostatic test through the detection gap, on one hand, water resources can be saved, and the pressure of water is increased quickly; on the other hand, after the workpiece is broken, the sprayed water can be reduced, and the pressure of the water can be rapidly reduced, so that the potential safety hazard can be reduced.
Compared with the prior art, the pressure detection device provided by the utility model has the advantages that through the matching of the first connecting part, the second connecting part, the connecting structure and the inserting part, water resources can be saved when a hydraulic pressure test is carried out on a high-pressure chamber, and potential safety hazards can be reduced.
Drawings
Fig. 1 is a schematic structural diagram of a pressure detection apparatus according to an embodiment of the present invention;
fig. 2 is a schematic cross-sectional view of an insertion portion of a pressure detection device according to an embodiment of the present invention;
fig. 3 is a cross-sectional view of a pressure detecting device according to an embodiment of the present invention;
fig. 4 is an enlarged view of a portion a in fig. 3.
Description of reference numerals: 1. a first connection portion; 11. a first mounting hole; 12. a water inlet hole; 13. a first seal structure; 2. a second connecting portion; 21. a second mounting hole; 22. a second seal structure; 23. a third seal structure; 3. a connecting structure; 4. a plug-in part; 41. detecting a gap; 42. a water inlet pipeline; 43. a water outlet pipeline; 44. a sleeve; 45. a piercing-out end; 5. and (5) a workpiece.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Referring to fig. 1 to 4, a pressure detecting device according to the present invention will be described. The pressure detection device comprises a first connecting part 1, a second connecting part 2, a connecting structure 3 and an inserting part 4; the first connecting part 1 is provided with a first mounting hole 11 and a water inlet hole 12, one end of the water inlet hole 12 is communicated with the first mounting hole 11, and the other end of the water inlet hole 12 is suitable for being communicated with a water outlet pipe of the hydrostatic test equipment; the inner peripheral wall of the first mounting hole 11 is suitable for contacting with the outer peripheral wall of one end of the workpiece 5, and a high-pressure chamber on the workpiece 5 faces the first mounting hole 11; the second connecting portion 2 has an abutment surface adapted to abut the other end of the workpiece 5; the connecting structure 3 is provided with a first connecting end which can be connected with the first connecting part 1 and a second connecting end which can be connected with the second connecting part 2; the insertion part 4 is connected with the bottom of the first mounting hole 11, and the insertion part 4 is suitable for being inserted into a high-pressure chamber of the workpiece 5; a detection gap 41 is formed between the outer peripheral wall of the plug-in part 4 and the inner peripheral wall of the high-pressure chamber; when the first connecting part 1 and the second connecting part 2 are respectively connected with two ends of the workpiece 5, the first connecting end is connected with the first connecting part 1, and the second connecting end is connected with the second connecting part 2; the plug-in part 4 is plugged into the high-pressure chamber of the workpiece 5.
In the embodiment of the present application, before the experiment is performed on the workpiece 5, one end of the workpiece 5 is inserted into the first mounting hole 11 so that the open end of the high-pressure chamber faces the first mounting hole 11; the abutting surface of the second connecting part 2 abuts against the other end of the workpiece 5, and the first connecting part 1 and the second connecting part 2 are connected through the first connecting end and the second connecting end, so that the workpiece 5 can be stably fixed between the first connecting part 1 and the second connecting part 2; since the socket 4 is connected to the bottom of the first mounting hole 11, after the workpiece 5 is fixed between the first connecting portion 1 and the second connecting portion 2, the free end of the socket 4 is inserted into the high-pressure chamber of the workpiece 5, and a detection gap 41 is formed between the outer peripheral wall of the socket 4 and the inner peripheral wall of the high-pressure chamber; the water is introduced into the water inlet hole 12 through the water outlet pipe of the hydrostatic test equipment, the detection gap 41 can be filled with water, the pressure of the water in the detection gap 41 can be increased to a preset pressure, and the hydrostatic test of the high-pressure cavity of the workpiece 5 is facilitated.
Because the volume of the detection gap 41 is smaller than that of the high-pressure chamber, when the workpiece 5 is subjected to a hydraulic test through the detection gap 41, on one hand, water resources can be saved, and the pressure of water is increased quickly; on the other hand, after the workpiece 5 is broken, the amount of water sprayed can be reduced, and the pressure of the water can be rapidly reduced, so that the potential safety hazard can be reduced.
Compared with the prior art, the pressure detection device provided by the utility model has the advantages that through the matching of the first connecting part 1, the second connecting part 2, the connecting structure 3 and the inserting part 4, water resources can be saved when a hydraulic pressure test is carried out on a high-pressure chamber, and potential safety hazards can be reduced.
In some embodiments, as shown in fig. 2 and 3, a first seal structure 13 is provided between the inner peripheral wall of the first mounting hole 11 and the outer peripheral wall of the workpiece 5; a first avoidance groove is formed in the inner peripheral wall of the first mounting hole 11, and a first sealing structure 13 is arranged in the first avoidance groove; the first sealing structure 13 comprises a Y-shaped sealing ring, and the Y-shaped sealing ring is arranged in the first avoidance groove; when one end of the workpiece 5 is inserted into the first mounting hole 11, the Y-shaped seal ring abuts against the outer peripheral wall of the workpiece 5, and a sealing effect can be achieved.
In some embodiments, as shown in fig. 2 and 3, the insertion part 4 has a water inlet line 42 communicating with the water inlet hole 12, and a water outlet line 43 communicating with the water inlet line 42; the water outlet pipeline 43 is arranged along the diameter direction of the water inlet pipeline 42, and the water outlet pipeline 43 is provided with a water outlet communicated with the detection gap 41; an internal thread is arranged on the inner peripheral wall of the water inlet hole 12, a sleeve 44 is fixedly arranged at one end of the insertion part 4 close to the water inlet hole 12, and an external thread matched with the internal thread is arranged on the outer peripheral wall of the sleeve 44; the sleeve 44 is in communication with the inlet line 42; the screw-thread fit of grafting portion 4 through sleeve 44 and inlet opening 12 can be fixed on first connecting portion 1, and the water in the inlet opening 12 enters into behind sleeve 44, inlet channel 42 and outlet channel 43 and detects in the clearance 41, is convenient for carry out the hydrostatic test to the high-pressure chamber of work piece 5.
In some embodiments, as shown in fig. 2 and 3, when the high-pressure chamber of the workpiece 5 communicates with the two ends of the workpiece 5, the insertion part 4 has a penetrating end 45 adapted to penetrate through the high-pressure chamber, and the second connecting part 2 is provided with a through hole adapted to penetrate through the penetrating end 45; the connecting structure 3 connects the penetrating end 45 and the second connecting part 2; the penetrating end 45 is provided with external threads, the connecting structure 3 comprises a nut, and the nut is in threaded fit with the penetrating end 45; since the high-pressure chamber communicates with both ends of the workpiece 5, the penetrating end 45 of the insertion part 4 can penetrate out of the workpiece 5 from the high-pressure chamber; the second connecting part 2 is provided with a through hole, so that the penetrating end 45 of the inserting part 4 penetrates out of the second connecting part 2; after the penetrating end 45 of the inserting part 4 penetrates through the second connecting part 2, the positions of the first connecting part 1, the second connecting part 2 and the workpiece 5 can be fixed through the threaded fit of the nut and the penetrating end 45, and therefore the workpiece 5 can be subjected to a hydraulic test conveniently.
In some embodiments, as shown in fig. 3 and 4, the second connecting portion 2 is provided with a second mounting hole 21 adapted to be inserted into the workpiece 5, and an inner peripheral wall of the second mounting hole 21 contacts with an outer peripheral wall of the workpiece 5; a second sealing structure 22 is arranged between the inner peripheral wall of the second mounting hole 21 and the outer peripheral wall of the workpiece 5; the second mounting hole 21 provided in the second connecting portion 2 can limit the other end of the workpiece 5, and the joint between the workpiece 5 and the second connecting portion 2 can be sealed by the second sealing structure 22 between the second mounting hole 21 and the workpiece 5.
It should be noted that a second avoiding groove is formed in the second mounting hole 21, and the second sealing structure 22 is mounted in the second avoiding groove; the second seal structure 22 includes two O-ring seals (not limited to two O-ring seals); through set up two O type sealing washers in the groove is dodged to the second, can improve the sealing performance between second mounting hole 21 and the work piece 5, be convenient for improve experimental accuracy.
In some embodiments, as shown in fig. 2 and 3, the diameter of the second mounting hole 21 is larger than that of the through hole, so that the workpiece 5 can abut against the bottom of the second mounting hole 21, and the penetrating end 45 of the inserting part 4 penetrates out of the through hole of the second connecting part 2; the movement of the workpiece 5 along the axis direction can be reduced in the test process, and the hydraulic test on the workpiece 5 is facilitated.
In some embodiments, as shown in fig. 3 and 4, a third sealing structure 23 is disposed between the inner circumferential wall of the through hole and the outer circumferential wall of the through end, a third avoiding groove is disposed on the through hole, the third sealing structure 23 includes two O-ring seals (not limited to two O-ring seals) disposed in the third avoiding groove; the sealing performance between the through hole and the through end 45 can be improved through the two O-shaped sealing rings, water leakage is reduced, and a hydraulic test on the workpiece 5 is facilitated.
In some embodiments, as shown in fig. 1, the outer circumferential surface of the second connecting portion 2 is provided with knurls, which can increase friction of the second connecting portion 2, facilitate an operator to hold the second connecting portion 2, reduce slippery conditions of hands, and facilitate the operator to mount the second connecting portion 2.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A pressure detection device, comprising:
the first connecting part is provided with a first mounting hole and a water inlet hole, one end of the water inlet hole is communicated with the first mounting hole, and the other end of the water inlet hole is suitable for being communicated with a water outlet pipe of the hydrostatic test equipment; the inner peripheral wall of the first mounting hole is suitable for being in contact with the outer peripheral wall of one end of the workpiece, and the high-pressure chamber on the workpiece faces the first mounting hole;
a second connecting portion having an abutting surface adapted to abut the other end of the workpiece;
the connecting structure is provided with a first connecting end which can be connected with the first connecting part and a second connecting end which can be connected with the second connecting part; and
the inserting part is connected with the hole bottom of the first mounting hole and is suitable for being inserted into a high-pressure chamber of a workpiece; a detection gap is formed between the outer peripheral wall of the insertion part and the inner peripheral wall of the high-pressure chamber;
when the first connecting part and the second connecting part are respectively connected with two ends of a workpiece, the first connecting end is connected with the first connecting part, and the second connecting end is connected with the second connecting part; the insertion part is inserted into the high-pressure chamber of the workpiece.
2. The pressure detecting device according to claim 1, wherein a first seal structure is provided between an inner peripheral wall of the first mounting hole and an outer peripheral wall of the workpiece.
3. The pressure detecting device of claim 1, wherein the insertion part has a water inlet pipe communicating with the water inlet hole, and a water outlet pipe communicating with the water inlet pipe; the water outlet pipeline is arranged along the diameter direction of the water inlet pipeline, and the water outlet pipeline is provided with a water outlet communicated with the detection gap.
4. The pressure detection device according to any one of claims 1 to 3, wherein the insertion part has a through-end adapted to penetrate the high pressure chamber, and the second connection part is provided with a through-hole adapted to allow the through-end to pass through; the connecting structure connects the penetrating end and the second connecting part.
5. The pressure detecting device according to claim 4, wherein the second connecting portion is provided with a second mounting hole adapted to be inserted into the workpiece, and an inner peripheral wall of the second mounting hole contacts an outer peripheral wall of the workpiece.
6. The pressure detecting device according to claim 5, wherein a second seal structure is provided between an inner peripheral wall of the second mounting hole and an outer peripheral wall of the workpiece.
7. The pressure sensing device of claim 5, wherein the second mounting hole has a diameter greater than a diameter of the through hole.
8. The pressure sensing device of claim 4, wherein the exit end has external threads thereon, and the connecting structure includes a nut that is threadably engaged with the exit end.
9. The pressure detecting device according to claim 4, wherein a third seal structure is provided between an inner peripheral wall of the through hole and an outer peripheral wall of the penetrating end.
10. The pressure detecting device according to claim 1, wherein an outer peripheral surface of the second connecting portion is provided with knurling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122018491.0U CN215767949U (en) | 2021-08-25 | 2021-08-25 | Pressure detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122018491.0U CN215767949U (en) | 2021-08-25 | 2021-08-25 | Pressure detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215767949U true CN215767949U (en) | 2022-02-08 |
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ID=80078554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122018491.0U Active CN215767949U (en) | 2021-08-25 | 2021-08-25 | Pressure detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215767949U (en) |
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2021
- 2021-08-25 CN CN202122018491.0U patent/CN215767949U/en active Active
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