CN211083221U

CN211083221U - Joint for preventing leakage during replacement

Info

Publication number: CN211083221U
Application number: CN201922174320.XU
Authority: CN
Inventors: 洪利华
Original assignee: Hangzhou Darlly Filtration Equipment Co ltd
Current assignee: Hangzhou Darlly Filtration Equipment Co ltd
Priority date: 2019-12-07
Filing date: 2019-12-07
Publication date: 2020-07-24
Anticipated expiration: 2029-12-07

Abstract

The utility model discloses a joint for preventing liquid leakage during replacement, which comprises a joint body; the water outlet pipe, the water inlet pipe, the spring valve core, the water outlet sealing seat, the conduction thimble, the outer valve core and the connecting piece; the water outlet sealing seat is provided with an installation step, the conduction thimble is provided with a fixture block, and the conduction fixed needle is movably installed on the installation step through the fixture block; the water outlet pipe piece is installed on the water outlet sealing seat through threads, a guide hole is formed in the water outlet pipe piece, a spring valve core is installed between the water outlet pipe piece and the water outlet sealing seat, a guide post is arranged on the spring valve core, one end of the spring valve core is in contact with the conduction thimble, and the other end of the spring valve core is movably connected with the water outlet pipe piece through the matching of the guide post and the guide hole. The utility model discloses a simple structure, it is convenient to connect, when workman's renew cartridge, unpacks apart the back and does not have the feed liquid and flow from filter core or pipeline, and very big degree has reduced the chance of personnel with the feed liquid contact to the harm of harm nature feed liquid to the workman has significantly reduced.

Description

Joint for preventing leakage during replacement

Technical Field

The utility model relates to a joint specifically indicates a joint of weeping when preventing to change.

Background

When the conventional electronic products and electronic chemicals are filtered, the integral ball filter element integrates a small filter, so that the opportunity of manual contact with the liquid is reduced to a great extent, but in some special occasions, when the filter element is replaced, the liquid still flows out of the filter element or a pipeline after being disassembled, so that the contact with the liquid cannot be completely avoided, the protection effect on personnel is poor, and the harm is caused to the human body; the general joint only can play a role in connection and cannot play a role in regulating flow; if the patent with the granted publication number CN207483746U discloses a filter element assembly, a composite filter element device and a water purifying apparatus, the patent is provided with a one-way valve, so that when the filter element is replaced, the residual water in the filter element can not flow out, but in the water passing process, the one-way valve can only cut off the water in a single way, and can not adjust the water passing flow, and the one-way valve can only cut off the water in a single way, but when the other end of the one-way valve has water, the water can not be blocked. Therefore, a joint for preventing liquid leakage during replacement is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the harm is caused to the human body and providing a joint for preventing liquid leakage during replacement when the filter element is replaced by workers, the liquid flows out from the filter element or the pipeline to contact with the human body after being disassembled.

In order to achieve the purpose, the utility model provides a joint for preventing liquid leakage in replacement, which comprises the following technical proposal; the water outlet pipe, the water inlet pipe, the spring valve core, the water outlet sealing seat, the conduction thimble, the outer valve core and the connecting piece; the water outlet sealing seat is provided with an installation step, the conduction thimble is provided with a fixture block, and the conduction fixed needle is movably installed on the installation step through the fixture block; the water outlet pipe piece is installed on the water outlet sealing seat through threads, a guide hole is formed in the water outlet pipe piece, a spring valve core is installed between the water outlet pipe piece and the water outlet sealing seat, a guide post is arranged on the spring valve core, one end of the spring valve core is in contact with the conduction thimble, and the other end of the spring valve core is movably connected with the water outlet pipe piece through the matching of the guide post and the guide hole.

Preferably, the bottom of the water outlet sealing seat is provided with a connecting piece through threads, and the connecting piece is provided with a stop block; the outer valve core is provided with a fixed block matched with the stop block, the outer valve core is movably arranged on the connecting piece through the matching of the stop block and the fixed block, and the outer valve core is connected with the water outlet sealing seat in a sliding manner through the connecting piece; a water inlet pipe fitting is installed on the outer valve core through threads, and a guide hole is also formed in the water inlet pipe fitting; and a spring valve core is also arranged between the water inlet pipe fitting and the outer valve core and is movably connected with the water inlet pipe fitting through the matching of the guide post and the guide hole.

Further preferably, a spring is mounted on the guide post of the spring valve core.

Further preferably, the spring valve core and the outer valve core are both provided with a sealing ring mounting groove, and a sealing ring is mounted on the sealing ring mounting groove.

The utility model has the advantages that: the utility model discloses a simple structure, it is convenient to connect, when workman's renew cartridge, unpacks apart the back and does not have the feed liquid and flow from filter core or pipeline, and very big degree has reduced the chance of personnel with the feed liquid contact to the harm of harm nature feed liquid to the workman has significantly reduced.

Drawings

Fig. 1 is a schematic structural diagram of the closed state of the present invention.

Fig. 2 is a schematic view of the opening structure of the present invention.

Fig. 3 is a schematic diagram of the local enlarged structure of the present invention.

Fig. 4 is a schematic diagram of the local enlarged structure of the present invention.

Illustration of the drawings: 1. a water outlet pipe; 2. a water inlet pipe fitting; 3. a spring spool; 4. a water outlet sealing seat; 5. conducting the thimble; 6. an outer valve core; 7. a connecting member; 8. mounting a step; 9. a clamping block; 10. a guide hole; 11. a guide post; 12. a stopper; 13. a fixed block; 14. a spring; 15. a sealing ring mounting groove; 16. and (5) sealing rings.

Detailed Description

The joint for preventing liquid leakage during replacement according to the present invention will be further described with reference to the accompanying drawings.

As shown in fig. 1-4, the joint for preventing liquid leakage during replacement of the present embodiment includes a water outlet pipe 1, a water inlet pipe 2, a spring valve core 3, a water outlet sealing seat 4, a conducting thimble 5, an outer valve core 6 and a connecting piece 7; the water outlet sealing device is characterized in that an installation step 8 is arranged on the water outlet sealing seat 4, a clamping block 9 is arranged on the conduction thimble 5, and the conduction thimble 5 is movably installed on the installation step 8 through the clamping block; the water outlet pipe piece 1 is installed on the water outlet sealing seat 4 through threads, a guide hole 10 is formed in the water outlet pipe piece 1, a spring valve core 3 is installed between the water outlet pipe piece 1 and the water outlet sealing seat 4, a guide post 11 is arranged on the spring valve core 3, one end of the spring valve core 3 is in contact with the conduction thimble 5, and the other end of the spring valve core 3 is movably connected with the water outlet pipe piece 1 through the matching of the guide post 11 and the guide hole 10; the bottom of the water outlet sealing seat 4 is provided with a connecting piece 7 through threads, and a stop block 12 is arranged on the connecting piece 7; the outer valve core 6 is provided with a fixed block 13 matched with the stop block 12, the outer valve core 6 is movably arranged on the connecting piece 7 through the matching of the stop block 12 and the fixed block 13, and the outer valve core 6 is connected with the water outlet sealing seat 4 in a sliding way through the connecting piece 7; the outer valve core 6 is provided with a water inlet pipe fitting 2 through threads, and the water inlet pipe fitting 2 is also provided with a guide hole 10; a spring valve core 3 is also arranged between the water inlet pipe fitting 2 and the outer valve core 6, and the spring valve core 3 is movably connected with the water inlet pipe fitting 2 through the matching of the guide post 11 and the guide hole 10; a spring 14 is arranged on a guide post of the spring valve core 3; and the spring valve core 3 and the outer valve core 6 are both provided with a sealing ring mounting groove 15, and a sealing ring 16 is mounted on the sealing ring mounting groove 15.

When the utility model is used, in the screwing process of the connecting piece 7, the fixed block 13 is driven by the stop block 12, so that the outer valve core 6 is driven to continuously enter the water outlet sealing seat 4, the thimble 5 is pushed to be switched on in the movement process of the outer valve core 6, the spring valve core 3 at the water inlet and outlet pipe fitting is pushed open under the action of the switching on thimble 5, the sealing position of the spring valve core 3 is in a separation state, and the feed liquid enters the water outlet pipe fitting 1 from the water inlet pipe fitting 2 and is in a working state; when the work is stopped, the connecting piece 7 is unscrewed, in the process, the spring valve core 3 is separated by conducting the thimble 5, the feeding and discharging liquid is sealed under the action of the spring force, and the outer valve core 6 is still in a sealed state; the connecting piece 7 is continuously separated and then the normal state is recovered.

The utility model has the advantages that: the filter element is simple in structure and convenient to connect, when a worker replaces the filter element, no feed liquid flows out of the filter element or a pipeline after the filter element is disassembled, so that the probability of contact between personnel and the feed liquid is greatly reduced, and the harm of the harmful feed liquid to the worker is greatly reduced; on the design of the joint, the connection of the filter element installation pipeline is carried out by adopting a sectional connection and disconnection mode; when in connection, firstly, the external pipeline is connected, the external pipeline is possibly disconnected with personnel through the sealing of the sealing ring 16, and in the process of continuously screwing, the spring 14 on the spring valve core 3 at the position of the inlet and outlet pipe fitting is contracted through the arrangement of the conducting thimble 5, so that a channel is opened; when in disassembly and assembly, the connecting piece 7 is rotated firstly, so that the pipeline channel is cut off at the position of the inlet and outlet pipe fittings, and then the external channel is opened, so that the feed liquid is leaked within a controllable range; the feed liquid is prevented from leaking and contacting with the human body during replacement; when the connector is used, the position of the thimble 5 is controlled to be switched on by rotating the connecting piece 7, so that the flow in the connector can be controlled.

The scope of the present invention is not limited to the above embodiments and their variations. The present invention is not limited to the above embodiments, and other modifications and substitutions may be made by those skilled in the art.

Claims

1. A joint for preventing liquid leakage during replacement comprises a water outlet pipe (1), a water inlet pipe (2), a spring valve core (3), a water outlet sealing seat (4), a conducting thimble (5), an outer valve core (6) and a connecting piece (7); the water outlet sealing device is characterized in that an installation step (8) is arranged on the water outlet sealing seat (4), a clamping block (9) is arranged on the conduction thimble (5), and the conduction thimble (5) is movably installed on the installation step (8) through the clamping block (9); go out water pipe spare (1) and install on play water seal receptacle (4) through the screw thread, be equipped with guiding hole (10) on play water pipe spare (1), install spring valve core (3) between play water pipe spare (1) and play water seal receptacle (4), be equipped with guide post (11) on spring valve core (3), spring valve core (3) one end with switch on thimble (5) contact, the cooperation and play water pipe spare (1) swing joint that the spring valve core (3) other end passes through guide post (11) and guiding hole (10).

2. A fitting for preventing fluid leakage during replacement as defined in claim 1, wherein: a connecting piece (7) is installed at the bottom of the water outlet sealing seat (4) through threads, and a stop block (12) is arranged on the connecting piece (7); the outer valve core (6) is provided with a fixed block (13) matched with the stop block (12), the outer valve core (6) is movably arranged on the connecting piece (7) through the matching of the stop block (12) and the fixed block (13), and the outer valve core (6) is connected with the water outlet sealing seat (4) in a sliding manner through the connecting piece (7); the outer valve core (6) is provided with a water inlet pipe fitting (2) through threads, and the water inlet pipe fitting (2) is also provided with a guide hole (10); a spring valve core (3) is also arranged between the water inlet pipe fitting (2) and the outer valve core (6), and the spring valve core (3) is movably connected with the water inlet pipe fitting (2) through the matching of the guide post (11) and the guide hole (10).

3. A joint for preventing leakage at the time of replacement according to any one of claims 1 to 2, wherein: and a spring (14) is arranged on a guide column of the spring valve core (3).

4. A joint for preventing leakage at the time of replacement according to any one of claims 1 to 2, wherein: and the spring valve core (3) and the outer valve core (6) are respectively provided with a sealing ring mounting groove (15), and a sealing ring (16) is mounted on the sealing ring mounting groove (15).