CN220470937U - Joint valve control mechanism for gas filling - Google Patents

Abstract

The utility model relates to the technical field of gas filling, in particular to a connector valve control mechanism for gas filling, which comprises a connector main body, a movable inner core and a valve control module, wherein the connector main body is of a three-way tubular structure, the connector main body comprises a first connecting pipe, a second connecting pipe and a third connecting pipe, the second connecting pipe is communicated with the third connecting pipe through a second communication port, the first connecting pipe is communicated with the second connecting pipe through the first communication port, the first connecting pipe is provided with the valve control module for shielding and sealing the first communication port, the valve control module is used for blocking the first communication port when filling is finished, the first connecting pipe section can be disassembled and assembled, the third connecting pipe and the gas inside a high-pressure hose can be blocked, and the resource waste caused by direct discharge of residual gas inside the high-pressure hose is avoided.

Description

Joint valve control mechanism for gas filling

Technical Field

The utility model relates to the technical field of gas filling, in particular to a connector valve control mechanism for gas filling.

Background

Steel cylinders, i.e. steel cylinders for storing high pressure oxygen, gas, liquefied petroleum gas, etc., are generally filled with permanent gas, liquefied gas or mixed gas, and for high pressure gas cylinders, when gas in the cylinder is charged or discharged, a high pressure connector is generally required to connect a connection hose with the connector of the cylinder, and the connection between the hose and the cylinder is required to be achieved through the connector.

The existing joint for gas filling only plays a role in connection, one end of the joint is connected with a steel bottle valve, the other end of the joint is connected with a high-pressure hose on a gas pipeline, connection between the high-pressure hose and a gas steel bottle is achieved, all the existing various filling connecting devices are required to be closed to control a stop valve on an operation console, all the gas in the pipeline and the hose is emptied, the joint can be detached and connected, and a great part of gas is wasted.

Disclosure of Invention

The utility model aims to provide a connector valve control mechanism for gas filling, which solves the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a gas filling is with joint valve accuse mechanism, includes joint main part, activity inner core and valve accuse module, the joint main part is tee bend tubular structure, and connects the main part and include first connecting pipe, second connecting pipe and third connecting pipe, through second intercommunication mouth intercommunication between second connecting pipe and the third connecting pipe, through first intercommunication mouth intercommunication between first connecting pipe and the second connecting pipe, install on the first connecting pipe and shelter from confined valve accuse module to first intercommunication mouth, valve accuse module includes the valve rod, rotates the sealing ball that sets up in valve rod one end and fixes the drive division at the valve rod other end, valve rod and second connecting pipe threaded connection for the one end that the driving sealing ball is close to or keeps away from first intercommunication mouth removes, realizes opening and shutting of first intercommunication mouth.

Further, an external thread section is arranged on the outer side wall of the valve rod, which is close to one end of the sealing ball, an internal thread matched with the external thread section is arranged on the inner side wall of the second connecting pipe, and the outer diameter of the external thread section is larger than the radius of the valve rod.

Further, the opening end of the first connecting pipe is provided with a sealing limiting module which is used for sealing and limiting the valve rod.

Further, sealed spacing module includes briquetting down, second sealing washer, goes up briquetting and presses the cap, the open end of first connecting pipe is provided with spacing step, briquetting down, second sealing washer and last briquetting set gradually in the inside of spacing step, press cap threaded connection is in the one end of first connecting pipe for carry out spacingly to briquetting down, second sealing washer and last briquetting, briquetting down, second sealing washer, last briquetting are the annular structure that mutually matches with the valve rod, the center department of pressing the cap runs through and is provided with the valve rod and extends to outside through-hole.

Further, the inside detachably of first connecting pipe installs movable inner core, movable inner core includes the inner core main part and sets up the first sealing washer in inner core main part one end, the one end and the first connecting pipe threaded connection of inner core main part, the center department of inner core main part runs through and is provided with the passageway of giving vent to anger with the inside intercommunication of first connecting pipe.

Compared with the prior art, the utility model has the beneficial effects that: this gas filling is with connector valve accuse mechanism is through setting up first connecting pipe, second connecting pipe and third connecting pipe in the joint main part, first connecting pipe is used for being connected with the steel sheet valve, the third connecting pipe is used for being connected with the high-pressure hose on the gas piping, communicate through first communication port between second connecting pipe and the first connecting pipe, the inside valve accuse module that is provided with of second connecting pipe, can block up first communication port when the filling finishes, can carry out the dismouting to first connecting pipe section, can carry out the shutoff to the inside gas of third connecting pipe and high-pressure hose, reduce the wasting of resources.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic perspective view of a joint body according to the present utility model;

FIG. 3 is a schematic cross-sectional view of the present utility model;

FIG. 4 is a schematic cross-sectional view of a joint body according to the present utility model;

in the figure: 1. a joint body; 101. a first connection pipe; 102. a second connection pipe; 1021. an internal thread; 1022. a limit step; 103. a third connection pipe; 104. a first communication port; 105. a second communication port; 2. a movable inner core; 201. an inner core body; 202. a first seal ring; 3. a valve control module; 301. a valve stem; 3011. an external thread section; 302. a driving section; 303. a sealing ball; 4. sealing and limiting the module; 401. pressing the block; 402. a second seal ring; 403. pressing into blocks; 404. and (5) pressing the cap.

Description of the embodiments

In the following description of the embodiments of the present utility model, it should be noted that, the descriptions of the terms "first", "second", etc. are only for descriptive purposes, and are not intended to specifically identify the order or order of the aspects of the present utility model, but are merely for distinguishing components or operations described in the same technical terms, and are not to be construed as indicating or implying a relative importance or implying any particular order of the features of the embodiments of the present utility model, so that the features defining "first", "second", etc. may explicitly or implicitly include at least one such feature. For the purpose of the present description and claims, and any variations thereof, the term "comprising" and any variations thereof as used in the above-described drawings is intended to cover a non-exclusive inclusion.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "configured" are to be construed broadly, and may be, for example, fixedly connected or detachably connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. In addition, in the description of the present utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1-4, an embodiment of the present utility model is provided: the joint valve control mechanism for gas filling comprises a joint main body 1, a movable inner core 2 and a valve control module 3, wherein the joint main body 1 is of a three-way tubular structure, the joint main body 1 comprises a first connecting pipe 101, a second connecting pipe 102 and a third connecting pipe 103, the second connecting pipe 102 is communicated with the third connecting pipe 103 through a second communication port 105, the first connecting pipe 101 is communicated with the second connecting pipe 102 through a first communication port 104, in the embodiment, the inner diameter of the first communication port 104 is smaller than the inner diameter of the first connecting pipe 101, in operation, the first connecting pipe 101 is connected with a steel cylinder valve, the third connecting pipe 103 is connected with a high-pressure hose on a gas pipeline, the high-pressure hose is connected with a gas supply device, gas is conveyed into the joint main body 1, then the gas is conveyed into the steel cylinder for filling, the movable inner core 2 is detachably arranged in the first connecting pipe 101, the movable inner core 2 comprises an inner core main body 201 and a first sealing ring 202 arranged at one end of the inner core main body 201, one end of the inner core main body 201 is in threaded connection with the first connecting pipe 101, an air outlet channel communicated with the inside of the first connecting pipe 101 is penetrated and arranged at the center of the inner core main body 201, in particular, an external thread is arranged on the inner side wall of the first connecting pipe 101, an internal thread matched with the external thread is arranged on the outer side wall of one end of the inner core main body 201, a valve control module 3 for shielding and closing the first connecting hole 104 is arranged on the first connecting pipe 101, the valve control module 3 comprises a valve rod 301, a sealing ball 303 rotatably arranged at one end of the valve rod 301 and a driving part 302 fixed at the other end of the valve rod 301, the valve rod 301 is of an elongated rod-shaped structure, the valve rod 301 is provided with a spherical groove, the sealing ball 303 rotates in the spherical groove, the diameter of the sealing ball 303 is larger than the inner diameter of the first connecting hole 104, the driving part 302 is a hand wheel, the hand wheel is detachably connected with the valve rod 301 through a bolt, the valve rod 301 is in threaded connection with the second connecting pipe 102, the hand wheel is used for driving the sealing ball 303 to move towards one end close to or far away from the first connecting pipe 104, so that the opening and closing of the first connecting pipe 104 are realized, specifically, an external thread section 3011 is arranged on the outer side wall of the valve rod 301 close to one end of the sealing ball 303, an internal thread 1021 matched with the external thread section 3011 is arranged on the inner side wall of the second connecting pipe 102, the outer diameter of the external thread section 3011 is larger than the radius of the valve rod 301, during operation, the driving part 302 is rotated, the valve rod 301 can be driven to rotate, the valve rod 301 can be driven to move along the axial direction of the second connecting pipe 102, when the sealing ball 303 abuts against the first connecting pipe 104, the third connecting pipe 103 and gas leakage inside a high-pressure hose connected with the third connecting pipe 103 can be avoided, and when the sealing ball 303 is separated from the first connecting pipe 104, the third connecting pipe 103 is communicated with the inside of the second connecting pipe 102 through the second connecting pipe 105, the second connecting pipe 102 is communicated with the inside the first connecting pipe 101 through the first connecting pipe 104, and then the gas can be conveyed into the movable inner core 2 inside the second connecting pipe 102;

the open end of first connecting pipe 101 is provided with the sealed spacing module 4 that seals spacing with valve rod 301, sealed spacing module 4 includes lower briquetting 401, the second sealing washer 402, go up briquetting 403 and press cap 404, the open end of first connecting pipe 101 is provided with spacing step 1022, lower briquetting 401, second sealing washer 402 and last briquetting 403 set gradually in the inside of spacing step 1022, press cap 404 threaded connection is in the one end of first connecting pipe 101, be used for spacing lower briquetting 401, second sealing washer 402 and last briquetting 403, specifically, be provided with the external screw thread on the lateral wall of first connecting pipe 101, be provided with the internal screw thread with screw thread mutual match on the inside wall of press cap 404, the center department of press cap 404 runs through and is provided with the through-hole that valve rod 301 extends to outside, valve rod 301 extends to the outside of press cap 404 and with drive portion 302 fixed connection, lower briquetting 401, second sealing washer 402, go up briquetting 403 are annular structure, and lower briquetting 401, the diameter of the inner circle of second sealing washer 402, the diameter of last briquetting 403 is the same with the external diameter of valve rod 301, make valve rod 301 can follow the axial displacement of first connecting pipe 101, concretely, be greater than the external diameter of valve rod 301 is compared with the second sealing washer 301, high-pressure gas seal 402 is avoided to the outside the valve rod 301, high-pressure gas leak can be avoided to the valve rod 301 to the outside the diameter is reached to the second sealing washer 301.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (5)

1. Gas filling is with joint valve accuse mechanism, its characterized in that: including connecting main part (1), activity inner core (2) and valve accuse module (3), connect main part (1) for tee bend tubular structure, and connect main part (1) including first connecting pipe (101), second connecting pipe (102) and third connecting pipe (103), through second intercommunication mouth (105) intercommunication between second connecting pipe (102) and third connecting pipe (103), through first intercommunication mouth (104) intercommunication between first connecting pipe (101) and second connecting pipe (102), install on first connecting pipe (101) and shelter from confined valve accuse module (3) to first intercommunication mouth (104), valve accuse module (3) include valve rod (301), rotate sealing ball (303) that set up in valve rod (301) one end and fix drive division (302) at the valve rod (301) other end, valve rod (301) and second connecting pipe (102) threaded connection for drive sealing ball (303) are to be close to or keep away from the one end of first intercommunication mouth (104) and remove, realize opening of first intercommunication mouth (104).

2. The gas filling nipple valve control mechanism of claim 1, wherein: an external thread section (3011) is arranged on the outer side wall of the valve rod (301) close to one end of the sealing ball (303), an internal thread (1021) matched with the external thread section (3011) is arranged on the inner side wall of the second connecting pipe (102), and the outer diameter of the external thread section (3011) is larger than the radius of the valve rod (301).

3. The gas filling nipple valve control mechanism of claim 2, wherein: the opening end of the first connecting pipe (101) is provided with a sealing limiting module (4) which performs sealing limiting with the valve rod (301).

4. A tap valve control mechanism for gas filling according to claim 3, wherein: the sealing limit module (4) comprises a lower pressing block (401), a second sealing ring (402), an upper pressing block (403) and a pressing cap (404), a limit step (1022) is arranged at the opening end of the first connecting pipe (101), the lower pressing block (401), the second sealing ring (402) and the upper pressing block (403) are sequentially arranged in the limit step (1022), the pressing cap (404) is in threaded connection with one end of the first connecting pipe (101) and used for limiting the lower pressing block (401), the second sealing ring (402) and the upper pressing block (403), the lower pressing block (401), the second sealing ring (402) and the upper pressing block (403) are of annular structures matched with the valve rod (301), and a through hole extending to the outside of the valve rod (301) is formed in the center of the pressing cap (404).

5. The gas filling nipple valve control mechanism of claim 1, wherein: the inside detachably of first connecting pipe (101) installs movable inner core (2), movable inner core (2) include inner core main part (201) and set up first sealing washer (202) in inner core main part (201) one end, the one end and the first connecting pipe (101) threaded connection of inner core main part (201), the center department of inner core main part (201) runs through be provided with the inside intercommunication of first connecting pipe (101) the passageway of giving vent to anger.