CN210397320U - Integral ball sealing pressure measuring joint - Google Patents
Integral ball sealing pressure measuring joint Download PDFInfo
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- CN210397320U CN210397320U CN201921429870.5U CN201921429870U CN210397320U CN 210397320 U CN210397320 U CN 210397320U CN 201921429870 U CN201921429870 U CN 201921429870U CN 210397320 U CN210397320 U CN 210397320U
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Abstract
The utility model relates to an integral ball sealing pressure measuring joint, which comprises a joint body; the center of the joint body is a step hole which is communicated up and down, and the upper end of the joint body and the lower end of the joint body are both provided with external threads; an O-shaped ring is placed at the bottom of the stepped hole in the upper end of the connector body, a check ring pressed with the O-shaped ring is placed above the O-shaped ring, the check ring is fixed in the stepped hole in the upper end of the connector body, and a through hole is formed in the center of the check ring; the edge of the bottom of a step hole at the lower end of the joint body is a spherical surface, a steel ball is placed in the step hole, the steel ball is abutted with the spherical surface, a spring is arranged below the steel ball, a spring plunger is arranged below the spring, and the center of the spring plunger is a through hole; the inner hole at the upper end of the spring is abutted to the steel ball, the spring plunger is fixed in the step hole at the lower end of the joint body, the spring plunger compresses the spring, the spring compresses the steel ball on the spherical surface, and the steel ball and the spherical surface form spherical surface sealing fit.
Description
Technical Field
The utility model relates to a hydraulic pressure spare part, especially an integral ball seal pressure measurement connects that is used for the sample of high pressure or low pressure fluid system and system pressure detection.
Background
At present, sampling and pressure detection in a hydraulic system can be completed through a pressure measuring joint, a self-sealing valve is arranged in the pressure measuring joint, and sampling and pressure detection can be completed only by jacking up the self-sealing valve in the using process.
The existing pressure measuring connectors on the market are basically combined, a pressure measuring valve core needs to be screwed into the top of a connector body of each pressure measuring connector, the threaded connection part of the valve core and the connector body is sealed through an O-shaped ring, and the O-shaped ring is easy to accelerate aging under the temperature and high pressure states, so that the sealing is invalid and leakage is caused.
Disclosure of Invention
The utility model aims to solve the technical problem that abandon the sealed structure of traditional rubber seal spare, provide an integral ball seal pressure measurement joint, its sample and the system pressure detection function that can realize high pressure or low pressure fluid system equally.
In order to solve the technical problem, the utility model discloses a realize through following mode: the utility model discloses an integral ball-sealing pressure measuring joint, which comprises a joint body; the center of the joint body is a step hole which is communicated up and down, and the upper end of the joint body and the lower end of the joint body are both provided with external threads; an O-shaped ring is placed at the bottom of the stepped hole in the upper end of the connector body, a check ring pressed with the O-shaped ring is placed above the O-shaped ring, the check ring is fixed in the stepped hole in the upper end of the connector body, and a through hole is formed in the center of the check ring; the edge of the bottom of a step hole at the lower end of the joint body is a spherical surface, a steel ball is placed in the step hole, the steel ball is abutted with the spherical surface, a spring is arranged below the steel ball, a spring plunger is arranged below the spring, and the center of the spring plunger is a through hole; the inner hole at the upper end of the spring is abutted to the steel ball, the spring plunger is fixed in the step hole at the lower end of the joint body, the spring plunger compresses the spring, the spring compresses the steel ball on the spherical surface, and the steel ball and the spherical surface form spherical surface sealing fit.
The edge of the orifice of the stepped hole at the upper end of the joint body is radially riveted towards the inner side of the stepped hole to form a constant coating type flanging smaller than the stepped hole, and the flanging can axially limit the retainer ring and the O-shaped ring.
The edge of the orifice of the stepped hole at the lower end of the connector body is flanged towards the inner side of the stepped hole to form a hole with the diameter smaller than that of the stepped hole at the lower end of the connector body, and a small hole formed by the flanging can axially limit the spring plunger.
The stepped hole at the upper end of the joint body is communicated with the stepped hole at the lower end of the joint body through a through hole with the diameter smaller than the diameter of the stepped hole at the upper end of the joint body and the diameter of the stepped hole at the lower end of the joint body.
The upper end of the joint body is detachably connected with the nut internal thread of the dustproof nut assembly through the external thread; the inner center of the nut of the dustproof nut assembly is provided with a plug, and the end part of the plug can be inserted into the central hole of the O-shaped ring and the check ring in the step hole at the upper end of the connector body to play a role in sealing.
The upper end of the joint body is connected with a measuring hose or a measuring joint with a thimble through external threads, the thimble of the measuring hose or the measuring joint presses a steel ball downwards, and a channel in the center of the joint body is opened; the outer circumferential surface of the thimble is in sealing connection with the O-shaped ring.
The external thread root of the lower end of the joint body is provided with an ED ring, the joint body is connected with the internal thread of the oil port of the measured pipeline through the external thread of the lower end, the joint body presses the ED ring down, and the ED ring forms sealing at the oil port.
The detachable fixedly connected with plastics dustproof cap of joint body lower extreme, the bottom edge of plastics dustproof cap compresses tightly on the ED circles.
The orifices of the stepped hole described in the technical scheme are all the inlet ends for placing the check ring, the O-shaped ring, the steel ball, the spring and the spring plunger into the stepped hole, and the bottom of the stepped hole is the hole bottom step position where the stepped hole plays an axial limiting role for the O-shaped ring and the steel ball.
The utility model discloses an actively the effect: a structure that integral ball seal pressure measurement connects abandons traditional rubber seal spare to seal utilizes processing and stamping forming's sphere and steel ball cooperation, forms the spherical seal under the thrust of spring, satisfies the sealed effect of pressure measurement joint, and it can bear pressure more than 63 Mpa. The integral ball seal pressure measuring joint does not need the rubber sealing element to carry out static pressure auxiliary sealing in the forming process, so the use limitations such as aging of the rubber sealing element and the like do not need to be considered, and the integral ball seal pressure measuring joint can adapt to more severe use working conditions.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic view of the overall structure of the present invention.
In the figure, 1, a dustproof nut assembly 2, a retainer ring 3, an O-shaped ring 4 and a connector body
5. The device comprises a steel ball 6, a spring 7, a spring plunger 8, an ED ring 9, a plastic dustproof cap 10 and a plug.
Detailed Description
As shown in fig. 1, as a specific embodiment, the present invention provides an integrated ball-sealing pressure measuring joint, which includes a joint body 4; the center of the joint body 4 is a step hole which is communicated up and down, and the upper end of the joint body 4 and the lower end of the joint body 4 are both provided with external threads; an O-shaped ring 3 is placed at the bottom of a step hole in the upper end of the connector body 4, a check ring 2 tightly pressed with the O-shaped ring 3 is placed above the O-shaped ring 3, the check ring 2 is fixed in the step hole in the upper end of the connector body 4, and a through hole is formed in the center of the check ring; the bottom edge of a step hole at the lower end of the joint body 4 is a spherical surface, a steel ball 5 is placed in the step hole, the steel ball 5 is abutted with the spherical surface, a spring 6 is arranged below the steel ball 5, a spring plunger 7 is arranged below the spring 6, and the center of the spring plunger 7 is a through hole; an inner hole at the upper end of the spring 6 is abutted with the steel ball 5, a spring plunger 7 is fixed in a step hole at the lower end of the joint body, the spring plunger 7 compresses the spring 6, the spring 6 compresses the steel ball 5 on the spherical surface, and the steel ball 5 and the spherical surface form spherical surface sealing fit.
The edge of the orifice of the stepped hole at the upper end of the joint body 4 is radially riveted towards the inner side of the stepped hole to form a constant coating type flanging which is smaller than the stepped hole, and the flanging can axially limit the retainer ring 2 and the O-shaped ring 3.
The hole opening edge of the stepped hole at the lower end of the connector body 4 is flanged towards the inner side of the stepped hole to form a hole with the diameter smaller than that of the stepped hole at the lower end of the connector body 4, and a small hole formed by the flanging can axially limit the spring plunger 7.
The step hole at the upper end of the joint body 4 is communicated with the step hole at the lower end of the joint body 4 through a through hole with the diameter smaller than the diameter of the step hole at the upper end of the joint body 4 and the diameter of the step hole at the lower end of the joint body 4.
The upper end of the joint body 4 is detachably connected with the nut internal thread of the dustproof nut assembly 1 through external threads; the inner center of the nut of the dustproof nut assembly 1 is provided with a plug 10, the end part of the plug 10 can be inserted into the center hole of the O-shaped ring 3 and the check ring 2 in the step hole at the upper end of the joint body 4, so that the sealing effect is achieved, and foreign matters are prevented from entering the joint body 4.
The upper end of the joint body 4 is connected with a measuring hose or a measuring joint with a thimble through external threads, the thimble of the measuring hose or the measuring joint presses the steel ball 5 downwards, and a channel in the center of the joint body 4 is opened; the outer circumferential surface of the thimble and the O-shaped ring 3 form sealing connection.
The external screw thread root of the joint body 4 lower extreme is provided with ED circle 8, and the joint body 4 is continuous with the internal thread of the oil port department of the pipeline of measurationing through the external screw thread of lower extreme, presses ED circle 8 down to the joint body 4, forms sealedly in oil port department through ED circle 8.
Connect 4 lower extreme detachable fixedly connected with plastics dust cap 9 of connector body, the bottom edge of plastics dust cap 9 compresses tightly on ED circle 8, plays the effect that prevents that the screw thread from colliding with and the foreign matter gets into to connect 4 insides in packing and transportation.
The utility model discloses a working process is:
an integral ball seal pressure measurement connects, it connects body upper end in the use to be connected through external screw thread and the measurement hose or the measurement articulate of taking the thimble, measures the thimble of hose or measurement articulate and pushes down the steel ball, connects the passageway at body center to open, this pressure measurement joint alright be used for high pressure or low pressure fluid system's sample and system pressure detection. The joint body does not need any rubber sealing element to carry out static pressure sealing in the forming process, so that the integral ball sealing pressure measuring joint can be used in more severe working conditions.
The above is only for illustrating some functional structure principles of the integral ball-sealing pressure measuring joint related to the present invention, and since it is easy for those skilled in the same technical field to perform a plurality of modifications on this basis, this specification does not intend to limit the present invention to an integral ball-sealing pressure measuring joint in the specific mechanism and application range shown or described, so all the corresponding modifications and equivalents that may be utilized all belong to the protection scope of the present invention.
Claims (8)
1. The utility model provides an integral ball-sealed pressure measurement connects, includes the joint body, its characterized in that: the center of the joint body is a step hole which is communicated up and down, and the upper end of the joint body and the lower end of the joint body are both provided with external threads; an O-shaped ring is placed at the bottom of the stepped hole in the upper end of the connector body, a check ring pressed with the O-shaped ring is placed above the O-shaped ring, the check ring is fixed in the stepped hole in the upper end of the connector body, and a through hole is formed in the center of the check ring; the edge of the bottom of a step hole at the lower end of the joint body is a spherical surface, a steel ball is placed in the step hole, the steel ball is abutted with the spherical surface, a spring is arranged below the steel ball, a spring plunger is arranged below the spring, and the center of the spring plunger is a through hole; the inner hole at the upper end of the spring is abutted to the steel ball, the spring plunger is fixed in the step hole at the lower end of the joint body, the spring plunger compresses the spring, the spring compresses the steel ball on the spherical surface, and the steel ball and the spherical surface form spherical surface sealing fit.
2. The integrated ball-sealed pressure tap of claim 1 wherein: the edge of the orifice of the stepped hole at the upper end of the joint body is radially riveted towards the inner side of the stepped hole to form a constant coating type flanging smaller than the stepped hole, and the flanging can axially limit the retainer ring and the O-shaped ring.
3. The integrated ball-sealed pressure tap of claim 1 wherein: the edge of the orifice of the stepped hole at the lower end of the connector body is flanged towards the inner side of the stepped hole to form a hole with the diameter smaller than that of the stepped hole at the lower end of the connector body, and a small hole formed by the flanging can axially limit the spring plunger.
4. The integrated ball-sealed pressure tap of claim 1 wherein: the stepped hole at the upper end of the joint body is communicated with the stepped hole at the lower end of the joint body through a through hole with the diameter smaller than the diameter of the stepped hole at the upper end of the joint body and the diameter of the stepped hole at the lower end of the joint body.
5. An integrated ball-sealed pressure tap according to any one of claims 1 to 4 wherein: the upper end of the joint body is detachably connected with the nut internal thread of the dustproof nut assembly through the external thread; the inner center of the nut of the dustproof nut assembly is provided with a plug, and the end part of the plug can be inserted into the central hole of the O-shaped ring and the check ring in the step hole at the upper end of the connector body to play a role in sealing.
6. An integrated ball-sealed pressure tap according to any one of claims 1 to 4 wherein: the upper end of the joint body is connected with a measuring hose or a measuring joint with a thimble through external threads, the thimble of the measuring hose or the measuring joint presses a steel ball downwards, and a channel in the center of the joint body is opened; the outer circumferential surface of the thimble is in sealing connection with the O-shaped ring.
7. An integrated ball-sealed pressure tap according to any one of claims 1 to 4 wherein: the external thread root of the lower end of the joint body is provided with an ED ring, the joint body is connected with the internal thread of the oil port of the measured pipeline through the external thread of the lower end, the joint body presses the ED ring down, and the ED ring forms sealing at the oil port.
8. The integrated ball-sealed pressure tap of claim 7 wherein: the detachable fixedly connected with plastics dustproof cap of joint body lower extreme, the bottom edge of plastics dustproof cap compresses tightly on the ED circles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921429870.5U CN210397320U (en) | 2019-08-30 | 2019-08-30 | Integral ball sealing pressure measuring joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921429870.5U CN210397320U (en) | 2019-08-30 | 2019-08-30 | Integral ball sealing pressure measuring joint |
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| Publication Number | Publication Date |
|---|---|
| CN210397320U true CN210397320U (en) | 2020-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921429870.5U Active CN210397320U (en) | 2019-08-30 | 2019-08-30 | Integral ball sealing pressure measuring joint |
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| CN (1) | CN210397320U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113280159A (en) * | 2021-06-25 | 2021-08-20 | 河南柴油机重工有限责任公司 | Multifunctional pipeline air release valve with one-way valve |
-
2019
- 2019-08-30 CN CN201921429870.5U patent/CN210397320U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113280159A (en) * | 2021-06-25 | 2021-08-20 | 河南柴油机重工有限责任公司 | Multifunctional pipeline air release valve with one-way valve |
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