CN214789669U - Quick connecting device for hydrostatic test plug of plastic pipe - Google Patents
Quick connecting device for hydrostatic test plug of plastic pipe Download PDFInfo
- Publication number
- CN214789669U CN214789669U CN202022542667.8U CN202022542667U CN214789669U CN 214789669 U CN214789669 U CN 214789669U CN 202022542667 U CN202022542667 U CN 202022542667U CN 214789669 U CN214789669 U CN 214789669U
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- sample
- shell
- thimble
- connecting device
- hollow cavity
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- 238000012360 testing method Methods 0.000 title claims abstract description 32
- 229920003023 plastic Polymers 0.000 title claims abstract description 16
- 239000004033 plastic Substances 0.000 title claims abstract description 16
- 230000002706 hydrostatic effect Effects 0.000 title claims description 12
- 238000007906 compression Methods 0.000 claims abstract description 19
- 230000006835 compression Effects 0.000 claims abstract description 18
- 238000009423 ventilation Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 6
- 230000001737 promoting effect Effects 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 13
- 238000013461 design Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a quiet hydraulic test end cap quick connecting device of plastics tubular product, connect and connect connecting portion soon including the sample that can dismantle the connection, be equipped with cavity in the first sample connects, connect connecting portion soon and include shell and the piece of ventilating, be equipped with cavity in the second in the shell, the piece of ventilating is installed in the shell and can act on the sample to connect in order to communicate cavity in the first cavity and the second, and the sample connects and is connected with the piece of ventilating and is used for promoting the piece of ventilating and remove in the shell. The utility model provides a sample fill up water back and be connected inconvenient problem with compression equipment, improved work efficiency.
Description
Technical Field
The utility model belongs to the technical field of plastics tubular product hydraulic test instrument, concretely relates to quiet hydraulic test end cap quick connecting device of plastics tubular product.
Background
With the continuous development of the equipment manufacturing industry, the detection industry, the electronic technology and the industrial control technology, the hydrostatic testing machine for pipes is developing towards the direction of high accuracy, high automation, high performance, high efficiency and high economic benefit. The existing joint is inconvenient to install, complex in operation process and troublesome to replace, and the labor cost is greatly increased and the working efficiency is reduced.
The existing GB/T6111-2018 only gives a schematic diagram of a test sealing joint, but the connection sealing device of the equipment and the sealing connection device of the test sample are very complicated to connect with each other, especially when the sealing joint is replaced, a wrench is needed to manually screw the screws, and deviation exists when the test sample and the sealing device are manually operated in the procedure, which may cause that the sealing is not tight and water leakage exists.
The connection of every screw and sample and sealing device need be dismantled to prior art when experimental, and need all tighten the screw or unscrew at every turn, and the screw becomes flexible or the sealed not tight condition can appear, sealed head and pressure water pipe junction also need be connected with the screw, and need rotate when screwing up the screw, rotatory end cap that has the sample on one side, tighten the screw on one side, it is very inconvenient to operate, and simultaneously, when meetting big sample, end cap and sample weight can increase, because of the end cap is rotated to a hand, it is inconvenient that a hand tightens the screw except that the operation, it is difficult to operate the completion and has the potential safety hazard alone.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art not enough, provide a hydrostatic test end cap quick connecting device of plastics tubular product of high-speed joint sample and test equipment.
In order to solve the technical problem, the technical scheme of the utility model is that:
the utility model provides a quiet hydraulic pressure test end cap quick connecting device of plastics tubular product, connects and connects connecting portion soon including the sample that can dismantle the connection, is equipped with first well cavity in the sample connects, connect connecting portion soon including shell and the piece of ventilating, be equipped with the cavity in the second in the shell, the piece of ventilating is installed in the shell and can act on the sample and connect in order to communicate first well cavity and second well cavity, and the sample connects and is connected with the piece of ventilating and is used for promoting the piece of ventilating and remove in the shell.
Preferably, a cylindrical stepped hole is formed in the shell, the ventilation piece comprises a guide block, a thimble, a compression spring and a spring baffle plate, the guide block is mounted at one end, close to the sample joint, of the thimble, the other end of the thimble is in contact with the compression spring, one end, far away from the thimble, of the compression spring is connected with the spring baffle plate, and the thimble is provided with a retainer ring;
one end of the sample joint is clamped in a gap formed by the inner wall of the large-diameter hole of the cylindrical stepped hole and the guide block.
Preferably, the inner wall of the large-diameter hole of the cylindrical stepped hole of the shell is circumferentially provided with a circular arc-shaped protruding part.
Preferably, the diameter of the annular arc-shaped protruding part is smaller than or equal to that of the check ring on the thimble and smaller than or equal to that of the small-diameter hole of the cylindrical stepped hole.
Preferably, when the compression spring is in a free state, the check ring of the thimble is positioned at the annular arc-shaped convex part of the shell and seals the second hollow cavity; when the compression spring is in a non-free state, the check ring moves out of the circular arc-shaped bulge part and opens the second hollow cavity.
Preferably, the outer side of the shell is provided with an anti-slip boss at one end close to the small-diameter hole of the cylindrical stepped hole.
Preferably, the sample joint is a fastening bolt.
Preferably, the test sample connector also comprises a guide clamping block arranged on one side of the thimble close to the test sample connector.
Preferably, the end of the housing remote from the sample connection is threaded.
Compared with the prior art, the utility model has the advantages of:
(1) the utility model adopts the connection mode of the quick connection part and the sample joint, reduces the process of frequently loosening and tightening screws in the prior art, and can realize quick installation and disassembly only by plugging the quick connection part after the test of the sample;
(2) the utility model has good sealing effect and can ensure the test effect;
(3) the utility model discloses convenient to use, the complexity of the manpower work that significantly reduces, and connect succinctly, improved work efficiency greatly.
Drawings
Fig. 1 is a schematic structural view of the quick connecting device for the hydrostatic test plug of the plastic pipe of the present invention;
description of reference numerals:
1-sample joint, 1-1-first hollow cavity;
2-a shell, 2-1-a second hollow cavity, 2-2-a circular arc-shaped bulge and 2-3-an anti-skid boss;
3-a guide block;
4-thimble, 4-1-retainer ring;
5-compression spring, 6-spring baffle and 7-guide clamping block.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings and examples:
it should be noted that the structure, ratio, size and the like shown in the drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, and any modification of the structure, change of the ratio relationship or adjustment of the size should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the efficacy that the present invention can produce and the purpose that can be achieved.
Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description only, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention may be considered as the scope of the present invention.
As shown in figure 1, the quick connecting device for the plug of the plastic pipe hydrostatic test comprises a sample connector 1 and a quick connection connecting part which are detachably connected, wherein a first hollow cavity 1-1 is arranged in the sample connector 1, the quick connection connecting part comprises a shell 2 and an air vent, a second hollow cavity 2-1 is arranged in the shell 2, the air vent is arranged in the shell 2 and can act on the sample connector 1 to communicate the first hollow cavity 1-1 with the second hollow cavity 2-1, and the sample connector 1 is connected with the air vent and used for pushing the air vent to move in the shell 2. Whether the second hollow cavity 2-1 and the first hollow cavity 1-1 are communicated or not is switched by the position of the vent moving in the housing 2. The second hollow cavity 2-1 is communicated with the first hollow cavity 1-1 to inject water into the sample, and then a pressure pipe is connected to pressurize the sample by using the device.
Specifically, a cylindrical stepped hole is formed in the shell 2, the ventilation piece comprises a guide block 3, a thimble 4, a compression spring 5 and a spring baffle 6, the guide block 3 is installed at one end, close to the sample joint 1, of the thimble 4, the other end of the thimble is in contact with the compression spring 5, one end, far away from the thimble 4, of the compression spring 5 is connected with the spring baffle 6, and a retainer ring 4-1 is arranged on the thimble 4; the guide block 3 serves to stabilize the inner parts.
One end of the sample joint 1 is clamped in a gap formed by the inner wall of the large-diameter hole of the cylindrical stepped hole and the guide block 3. The sample connection 1 and the quick-connect connection are detachably connected by this position.
Specifically, the inner wall of the large-diameter hole of the cylindrical stepped hole of the shell 2 is circumferentially provided with a circular arc-shaped protruding part 2-2. The arc-shaped design is used for enabling the retainer ring 4-1 to move smoothly, and the protrusion is used for matching with the retainer ring 4-1 on the thimble 4 to seal the second hollow cavity 2-1.
Specifically, the diameter of the annular arc-shaped protruding part 2-2 is smaller than or equal to that of the retainer ring 4-1 on the thimble 4, and is smaller than or equal to that of the small-diameter hole of the cylindrical stepped hole. The design can change the sealing state of the second hollow cavity 2-1 through the position of the thimble 4 in the second hollow cavity 2-1 of the shell 2, so as to achieve the purpose of judging whether the test water pressure is connected in the sample.
Specifically, when the compression spring 5 is in a free state, the retainer ring 4-1 of the thimble 4 is positioned at the annular arc-shaped convex part 2-2 of the shell 2 and seals the second hollow cavity 2-1; when the compression spring 5 is in a non-free state, the retainer ring 4-1 moves out of the circular arc-shaped bulge part 2-2 and opens the second hollow cavity 2-1. When the compression spring 5 is in a free state, the check ring 4-1 of the thimble 4 is positioned at the circular arc-shaped bulge 2-2 of the shell 2 and seals the second hollow cavity 2-1, and the area of the longitudinal section of the check ring 4-1 is larger than the cross-sectional area of the shell 2 at the circular arc-shaped bulge 2-2; when the third spring 12-3 is in a non-free state and the compression spring 5 is in a non-free state, the retainer ring 4-1 moves out of the annular arc-shaped bulge part 2-2 and opens the second hollow cavity 2-1, so that the second hollow cavity 2-1 is ventilated, and the test water pressure can smoothly enter the sample.
Specifically, the outer side of the shell 2 is provided with an anti-slip boss 2-3 at one end close to the small-diameter hole of the cylindrical stepped hole. The design is to screw the housing with a wrench to connect the quick connect connection to the connection seal of the device.
Specifically, the sample joint 1 is a fastening bolt. One end of the sample joint 1 is connected with a sealing plug of the sample.
Specifically, the test sample connector also comprises a guide clamping block 7 arranged on one side of the thimble 4 close to the test sample connector 1 so as to prevent the guide block 3 from being offset and sliding.
In particular, the end of the housing 2 remote from the sample connection 1 is threaded. The quick-connection connecting parts are provided with threads, and after the quick-connection connecting parts are connected with the plug of the sample sealing device, the middle part can be quickly detached.
The working principle is as follows:
during the test, the sample joint 1 and the quick-connection connecting part are spliced together, one end of the sample joint 1 is in threaded connection with the plug of the sample sealing device, one end of the quick-connection connecting part is in threaded connection with the equipment sealing device, and when the sample needs to be pressurized, the sample joint can be pushed to further move in the quick-connection connecting part, so that the quick-connection connecting part can be ventilated, and the sample can be pressurized.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the gist of the present invention within the knowledge of those skilled in the art.
Many other changes and modifications can be made without departing from the spirit and scope of the invention. It is to be understood that the invention is not to be limited to the specific embodiments, and that the scope of the invention is defined by the appended claims.
Claims (7)
1. The utility model provides a quiet hydraulic test end cap quick connecting device of plastics tubular product which characterized in that: the test sample connector comprises a sample connector and a quick connection connecting part which are detachably connected, wherein a first hollow cavity is arranged in the sample connector, the quick connection connecting part comprises a shell and a ventilating piece, a second hollow cavity is arranged in the shell, the ventilating piece is arranged in the shell and can act on the sample connector to communicate the first hollow cavity and the second hollow cavity, and the sample connector is connected with the ventilating piece and used for pushing the ventilating piece to move in the shell;
a cylindrical stepped hole is formed in the shell, the ventilation piece comprises a guide block, a thimble, a compression spring and a spring baffle plate, the guide block is arranged at one end, close to the sample joint, of the thimble, the other end of the thimble is in contact with the compression spring, one end, far away from the thimble, of the compression spring is connected with the spring baffle plate, and the thimble is provided with a retainer ring;
one end of the sample joint is clamped in a gap formed by the inner wall of the large-diameter hole of the cylindrical stepped hole and the guide block;
the inner wall of the large-diameter hole of the cylindrical stepped hole of the shell is provided with a circular ring-shaped arc-shaped protruding part along the circumferential direction.
2. The quick connecting device of the plug for the hydrostatic test of the plastic pipe as claimed in claim 1, wherein: the diameter of the annular arc-shaped protruding part is less than or equal to the diameter of the check ring on the ejector pin is less than or equal to the diameter of the small-diameter hole of the cylindrical stepped hole.
3. The quick connecting device of the plug for the hydrostatic test of the plastic pipe as claimed in claim 2, wherein: when the compression spring is in a free state, the check ring of the thimble is positioned at the annular arc-shaped convex part of the shell and seals the second hollow cavity; when the compression spring is in a non-free state, the check ring moves out of the circular arc-shaped bulge part and opens the second hollow cavity.
4. The quick connecting device of the plug for the hydrostatic test of the plastic pipe as claimed in claim 1, wherein: and an anti-slip boss is arranged at one end of the outer side of the shell, which is close to the small-diameter hole of the cylindrical stepped hole.
5. The quick connecting device of the plug for the hydrostatic test of the plastic pipe as claimed in claim 1, wherein: the sample joint is a fastening bolt.
6. The quick connecting device of the plug for the hydrostatic test of the plastic pipe as claimed in claim 1, wherein: the test device also comprises a guide clamping block arranged on one side of the thimble close to the sample joint.
7. The quick connecting device for the plug in the hydrostatic test of the plastic pipe according to any one of claims 1 to 6, wherein the quick connecting device comprises: the end of the housing remote from the sample connection is threaded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022542667.8U CN214789669U (en) | 2020-11-06 | 2020-11-06 | Quick connecting device for hydrostatic test plug of plastic pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022542667.8U CN214789669U (en) | 2020-11-06 | 2020-11-06 | Quick connecting device for hydrostatic test plug of plastic pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214789669U true CN214789669U (en) | 2021-11-19 |
Family
ID=78664124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022542667.8U Active CN214789669U (en) | 2020-11-06 | 2020-11-06 | Quick connecting device for hydrostatic test plug of plastic pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214789669U (en) |
-
2020
- 2020-11-06 CN CN202022542667.8U patent/CN214789669U/en active Active
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| GR01 | Patent grant |