CN218914120U - Quick dismounting device for external threaded joint - Google Patents
Quick dismounting device for external threaded joint Download PDFInfo
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- CN218914120U CN218914120U CN202223002046.6U CN202223002046U CN218914120U CN 218914120 U CN218914120 U CN 218914120U CN 202223002046 U CN202223002046 U CN 202223002046U CN 218914120 U CN218914120 U CN 218914120U
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- outer sleeve
- split internal
- internal thread
- core rod
- thread connecting
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Abstract
The utility model relates to the technical field of safety valve accessory detection, in particular to a quick dismounting device of an external threaded connector, which comprises an outer sleeve, wherein a split internal threaded connector is arranged in the outer sleeve, a core rod is connected in the split internal threaded connector, a spring is arranged outside the core rod, the outer sleeve is pressed to drive the spring to compress, the split internal threaded connector stretches out and opens, the external threaded connector is inserted, the outer sleeve is loosened, the spring rebounds the outer sleeve to move upwards, so that the split internal threaded connector is folded, threads on the upper part of the split internal threaded connector are meshed with threads of the external threaded connector, a handle is rotated, the threads of the split internal threaded connector are screwed with the threads of the external threaded connector, and the end face of the external threaded connector is tightly pressed and sealed with a sealing ring; and reversely rotating the handle, loosening the split internal thread connecting sheet and the external thread connector, pressing down the outer sleeve, and taking out the external thread connector. The utility model has simple operation, greatly reduces the workload of screwing and unscrewing the threaded joint, and is quick and efficient and convenient to install and detach.
Description
Technical Field
The utility model relates to the technical field of safety valve accessory detection, in particular to a quick dismounting device for an external threaded connector.
Background
In the industrial process control and technical measurement process, the elastic sensitive element of the mechanical pressure gauge has the characteristics of high mechanical strength, convenient production and the like, so that the mechanical pressure gauge is more and more widely applied, the mechanical pressure gauge needs to be regularly checked in the use process of the pressure gauge, the pressure gauge needs to be frequently installed and detached in the verification process, the pressure gauge and other instruments are mostly installed and connected by adopting an external threaded joint, and the pressure gauge needs to be screwed on a matched threaded joint when the pressure gauge is put into use or measured and detected; in the metering detection mechanism, a large number of meters are installed on a detection station every day for metering detection and then are detached.
The traditional external threaded connector connection method of the detection instrument requires manual assembly and disassembly by using tools such as a wrench, and obviously has lower efficiency, and can not meet the strict centering requirement of visual reading as the machine vision technology is applied to instrument verification work.
Disclosure of Invention
Therefore, the technical problem to be solved by the utility model is to solve the problems that the traditional mounting and dismounting modes have lower efficiency and cannot meet the strict centering requirement of visual meter reading when a large number of meters are detected in the prior art.
In order to solve the technical problems, the utility model provides a quick dismounting device of an external threaded joint, which comprises a core rod, wherein a limiting part is arranged on the core rod, a sealing ring groove is formed in the top end of the core rod, a sealing piece is arranged in the sealing ring groove, a split internal threaded connecting piece is externally connected with the core rod, and an elastic element is arranged at the bottom end of the split internal threaded connecting piece;
the outer sleeve is axially sleeved outside the core rod, a first clamping groove is formed in the inner wall of the outer sleeve, a clamping ring is fixedly connected in the first clamping groove, and a handle is connected to the outer sleeve; pressing the outer sleeve to compress the elastic element to move downwards, and exposing and expanding the split internal thread connecting sheet for inserting the external thread connector; loosening the outer sleeve, and rebounding the outer sleeve by the elastic element, wherein the split internal thread connecting sheets are folded and meshed with the connected external thread connector; and rotating the handle to drive the split internal thread connecting piece to rotate, so that the split internal thread connecting piece is connected with the connected external thread joint.
In one embodiment of the utility model, a second clamping groove is formed in the inner side of the split internal thread connecting piece, and the limiting part is clamped with the second clamping groove.
In one embodiment of the utility model, the outer sleeve is threadedly connected with a handle for rotation.
In one embodiment of the utility model, the elastic element is a spring, which is wound around the mandrel.
In one embodiment of the utility model, the bottom end of the core rod is connected with the air supply pipeline through threads.
In one embodiment of the utility model, the axial through hole communicates with the gas supply line when the core rod is connected to the gas supply line.
In one embodiment of the utility model, a rubber ring groove is formed in the side edge of the split internal thread connecting sheet, and a rubber ring used for hooping the split internal thread connecting sheet is arranged in the rubber ring groove.
In one embodiment of the utility model, an end cap is connected to the bottom end of the mandrel.
In one embodiment of the utility model, the split internal thread connecting piece is formed by splicing six pieces, and the upper part of the split internal thread connecting piece is provided with internal threads matched with the connected external thread connector after the split internal thread connecting piece is spliced.
In one embodiment of the utility model, a lock nut is connected to the lower end of the core rod, and the lock nut is used for fixing the end cover.
Compared with the prior art, the technical scheme of the utility model has the following advantages:
according to the quick dismounting device for the external threaded joint, the outer sleeve is pressed to drive the elastic compression, the split internal threaded connection piece extends out and is connected with the pressure gauge threaded joint, the handle on the outer sleeve is rotated to enable threads on the split internal threaded connection piece to be screwed with threads of the connected external threaded joint, and the sealing ring at the upper end of the core rod is pressed and sealed to realize quick connection; the outer sleeve is reversely rotated, so that the threads on the split internal thread connecting piece are loosened from the threads of the connected external thread connector, and the connected external thread connector can be taken out by pressing the outer sleeve and the split internal thread connecting piece to stretch out and open. The external threaded connector is connected in a mode of pressing and rotating the outer sleeve by a small margin, the connecting mode is simple and quick to operate, the workload of screwing and unscrewing the threaded connector can be greatly reduced, the beneficial effects of being quick and efficient and convenient to install and detach are achieved, and the working efficiency is obviously improved.
Drawings
In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings, in which
FIG. 1 is a schematic view of a quick connect and disconnect apparatus according to a preferred embodiment of the present utility model;
FIG. 2 is a top view of the quick connect and disconnect apparatus of FIG. 1;
FIG. 3 isbase:Sub>A cross-sectional view taken along the direction A-A of the quick connect and disconnect apparatus of FIG. 1 (the split internal thread connecting piece is inbase:Sub>A closed state);
FIG. 4 isbase:Sub>A cross-sectional view in the direction A-A of the quick connect and disconnect apparatus of FIG. 1 (split internal thread connecting piece in an open position)
FIG. 5 is an enlarged schematic view of a portion C of the cross-sectional view of FIG. 3;
FIG. 6 is a cross-sectional view in the direction B-B of the quick connect and disconnect apparatus of FIG. 1
Description of the specification reference numerals: 1. an outer sleeve; 2. split internal thread connecting piece; 3. a rubber ring; 4. a core rod; 5. a seal; 6. an elastic element; 7. an end cap; 8. a lock nut; 9. a clasp; 10. a first clamping groove; 11. a limit part; 12. and a second clamping groove.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the utility model and practice it.
Examples
Referring to fig. 1, the utility model comprises a core rod 4, wherein a limit part 11 is arranged on the core rod 4, a sealing ring groove is formed at the top end of the core rod 4, a sealing piece 5 is arranged in the sealing ring groove, a split internal thread connecting piece 2 is connected outside the core rod 4, and an elastic element 6 is arranged at the bottom end of the split internal thread connecting piece 2; wherein the elastic element 6 preferably uses a helical spring;
the outer sleeve 1, the outer sleeve 1 axial cover is in the plug 4 outside, offer first draw-in groove 10 on the outer sleeve 1 inner wall, 10 fixedly connected with snap ring 9 in the first draw-in groove, be connected with on the outer sleeve 1 and be used for rotatory handle, press outer sleeve 1, outer sleeve 1 compression elastic element 6 moves down, exposes split internal thread connection piece 2, rotate the handle drives split internal thread connection piece 2 rotates, realizes split internal thread connection piece 2 and manometer's connection.
Specifically, the split internal thread connecting piece 2 is provided with a second clamping groove, the core rod is provided with a limiting part 11, the limiting part 11 is clamped with the first clamping groove 10 to fix the split internal thread connecting piece 2 and the core rod 4, the split internal thread connecting piece 2 and the core rod are both positioned in the outer sleeve 1 and arranged at the top end of the outer sleeve 1, the split internal thread connecting piece 2 is six-split, and after being fixed by the rubber ring 3, the split internal thread connecting piece 2 is spliced to form internal threads which can be matched with end face equipment of a connected external thread instrument.
Specifically, the core rod 4 is stationary, an axial through hole for connecting with an air supply pipeline is arranged in the middle of the core rod 4, the diameter of the axial through hole is 3mm, and the medium pipeline is fixedly connected with the bottom end of the core rod 4 through threads.
Specifically, the rubber ring 3 is installed on the outer side of the split internal thread connecting piece 2 and is used for hooping the split internal thread connecting piece 2, loosening is prevented, the split internal thread connecting piece 2 is hooped in a holding mode, and meanwhile the rubber ring 3 is clamped or stretched out, and is generally an O-shaped ring.
Specifically, the elastic element 6 is installed between the lower end of the split internal thread connecting piece 2 and the upper end of the end cover 7, the elastic element 6 is spirally wound on the outer side of the mandrel 4, the upper end of the elastic element is stopped at the step of the inner side of the outer sleeve 1, the hand wheel of the outer sleeve 1 is pressed, the elastic element 6 is compressed, the split internal thread connecting piece 2 stretches out, after the screwed joint of the pressure gauge is installed, the pressing is stopped, the elastic element 6 is released, the outer sleeve 1 moves upwards, the handle is rotated, the split internal thread connecting piece 2 is driven to rotate together through the friction between the inner wall of the outer sleeve 1 and the outer column surface of the split internal thread connecting piece 2, the threads of the six split internal thread connecting piece 2 can be tightened during rotation, the sealing performance is enhanced, the right direction of the dial of the pressure gauge is convenient to install, and simultaneously, the sealing surface is pressed and sealed by the sealing ring connected with the end surface of the external thread connecting piece and the upper end of the mandrel, and the sealing surface can bear high pressure and cannot leak.
Specifically, the end cover 7 is mounted at the bottom end of the outer sleeve 1, and is used for blocking the shaft step at the lower end of the core rod 4 for limiting.
In particular, the lock nut 8 is screwed to the mandrel 4 for tightening the end cap 7 on the mandrel 4.
Specifically, the upper end and the lower end of the outer sleeve 1 are respectively provided with a snap ring groove for installing a snap ring, preventing internal parts from loosening or falling off, and the snap ring is clamped at the lower end of the sleeve to fix the end cover 7.
Specifically, the medium is led into the core rod 4 through the through hole of the core rod 4, the medium can be a gas medium or an oil medium, the upper end of the core rod 4 is provided with a sealing ring groove, the sealing ring groove is provided with a sealing element 5, the sealing element 5 can be a sealing gasket or a sealing ring, the sealing element 5 is positioned at the bottom of an internal thread in the split internal thread connecting sheet 2, and the sealing element 5 plays a sealing role when threads of safety valve accessories such as a pressure gauge and a safety valve are connected with threads of the split internal thread connecting sheet 2, and improves sealing performance along with the improvement of medium pressure, so that the leakage of the medium is prevented.
The specific working process is as follows:
when the gauge is assembled, a worker presses the outer sleeve 1 to enable the outer sleeve 1 to compress the elastic element 6 to move downwards, the split internal thread connecting piece 2 stretches out and opens until the clamping ring at the lower end touches the end cover 7, at the moment, an external thread connector of the pressure gauge to be connected is put in the split internal thread connecting piece, then the outer sleeve 1 is loosened, the elastic element 6 rebounds to enable the outer sleeve 1 to move upwards, the split internal thread connecting piece 2 is folded, and threads at the upper part of the split internal thread connecting piece are meshed with the connected external thread connector; the outer sleeve 1 is rotated, the threads on the split internal thread connecting sheet 2 are screwed with the threads of the connected external thread connector, the end face of the connected external thread connector is tightly pressed and sealed with the sealing gasket 5 at the upper end of the core rod 4, the quick connection of the pressure gauge is realized, and meanwhile, a medium is transmitted to the top end from the air supply pipeline through the through hole of the core rod 4, so that the test of the pressure gauge is completed.
When the gauge is disassembled, a worker reversely rotates the outer sleeve 1 to loosen the internal threads on the split internal thread connecting piece 2 and the threads of the connected external thread connector, then presses the outer sleeve 1 to compress the elastic element 6 to move downwards, the split internal thread connecting piece 2 stretches out and opens, and the external thread connector of the connected pressure gauge can be taken out, so that the quick disassembly process of the pressure gauge is realized.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations and modifications of the present utility model will be apparent to those of ordinary skill in the art in light of the foregoing description. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.
Claims (10)
1. The utility model provides a quick assembly disassembly device of external screw thread joint which characterized in that: comprising
The core rod is provided with a limiting part, the top end of the core rod is provided with a sealing ring groove, a sealing piece is arranged in the sealing ring groove, the core rod is externally connected with a split internal thread connecting piece, and the bottom end of the split internal thread connecting piece is provided with an elastic element;
the outer sleeve is axially sleeved outside the core rod, a first clamping groove is formed in the inner wall of the outer sleeve, a clamping ring is fixedly connected in the first clamping groove, and a handle is connected to the outer sleeve; pressing the outer sleeve to compress the elastic element to move downwards, and exposing and expanding the split internal thread connecting sheet for inserting the external thread connector; loosening the outer sleeve, and rebounding the outer sleeve by the elastic element, wherein the split internal thread connecting sheets are folded and meshed with the connected external thread connector; and rotating the handle to drive the split internal thread connecting piece to rotate, so that the split internal thread connecting piece is connected with the connected external thread joint.
2. The quick assembly disassembly device of an externally threaded joint according to claim 1, wherein: the inner side of the split internal thread connecting piece is provided with a second clamping groove, and the limiting part is clamped with the second clamping groove.
3. The quick assembly disassembly device of an externally threaded joint according to claim 1, wherein: the outer sleeve is connected with the handle through threads.
4. The quick assembly disassembly device of an externally threaded joint according to claim 1, wherein: the elastic element is a spring, and the spring spiral surrounds the core rod.
5. The quick assembly disassembly device of an externally threaded joint according to claim 1, wherein: the core rod is internally provided with an axial through hole, and the bottom end of the core rod is connected with an air supply pipeline through threads.
6. The quick release device for an externally threaded joint according to claim 5, wherein: when the core rod is connected with the air supply pipeline, the axial through hole is communicated with the air supply pipeline.
7. The quick assembly disassembly device of an externally threaded joint according to claim 1, wherein: the side edge of the split internal thread connecting sheet is provided with a rubber ring groove, and the rubber ring groove is provided with a rubber ring for hooping the split internal thread connecting sheet.
8. The quick assembly disassembly device of an externally threaded joint according to claim 1, wherein: and the bottom end of the core rod is connected with an end cover.
9. The quick assembly disassembly device of an externally threaded joint according to claim 8, wherein: the lower end of the core rod is connected with a lock nut, and the lock nut is used for fixing the end cover.
10. The quick assembly disassembly device of an externally threaded joint according to claim 1, wherein: the split internal thread connecting sheet is formed by splicing six sheets, and internal threads matched with the connected external thread connector are formed on the upper part of the split internal thread connecting sheet after the split internal thread connecting sheet is spliced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223002046.6U CN218914120U (en) | 2022-11-11 | 2022-11-11 | Quick dismounting device for external threaded joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223002046.6U CN218914120U (en) | 2022-11-11 | 2022-11-11 | Quick dismounting device for external threaded joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218914120U true CN218914120U (en) | 2023-04-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223002046.6U Active CN218914120U (en) | 2022-11-11 | 2022-11-11 | Quick dismounting device for external threaded joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218914120U (en) |
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2022
- 2022-11-11 CN CN202223002046.6U patent/CN218914120U/en active Active
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