CN219413613U

CN219413613U - Tee bend tool and device

Info

Publication number: CN219413613U
Application number: CN202320245010.6U
Authority: CN
Inventors: 周俊金; 周康; 林启隆
Original assignee: Shenzhen Longyoude Technology Co ltd
Current assignee: Shenzhen Longyoude Technology Co ltd
Priority date: 2023-02-17
Filing date: 2023-02-17
Publication date: 2023-07-25
Anticipated expiration: 2033-02-17

Abstract

The utility model belongs to the technical field of gas filling jigs, and discloses a three-way jig and a device, wherein the three-way jig comprises a three-way pipe, a left end head and a right end head, the three-way pipe comprises a transverse pipe and a vertical pipe, the transverse pipe is provided with a channel in a penetrating way along the left-right direction, the vertical pipe is connected with the transverse pipe and is communicated with an internal channel of the transverse pipe, a valve is arranged on the vertical pipe, the left end head and the right end head are correspondingly connected at the left end and the right end of the transverse pipe and are respectively used for opening and closing corresponding outlets, and the three-way device is formed by connecting two three-way jigs, wherein the left end head of one three-way jig is connected with the right end head of the other three-way jig. The utility model has the beneficial effects that: the jig is convenient to carry, flexible in switching, capable of greatly improving application occasions, realizing loads of different devices and different gases, shortening operation time of vacuumizing and filling the gases, improving working efficiency, simple in structure and capable of improving efficiency of equipment maintenance and assembly test.

Description

Tee bend tool and device

Technical Field

The utility model relates to the technical field of gas filling jigs, in particular to a three-way jig and a three-way device.

Background

The gas filling jig is mainly used in the field of high-purity helium gas application equipment and the field of vacuum coating equipment, and the filling and vacuumizing of the high-purity helium gas are generally carried out by using different equipment facilities for independent treatment respectively, and the connection structures are in one-to-one direct correspondence.

Therefore, it is necessary to provide a three-way fixture and device, which simplify the steps of vacuumizing and filling high-purity gas, improve the convenience of operation and shorten the whole operation time.

Disclosure of Invention

The utility model discloses a tee joint jig and a tee joint jig device, which can effectively solve the technical problems related to the background technology.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

the three-way jig comprises a three-way pipe, a left end head and a right end head, wherein the three-way pipe comprises a transverse pipe and a vertical pipe, a channel is penetrated through the transverse pipe along the left-right direction, the vertical pipe is connected with the transverse pipe and communicated with the internal channel of the transverse pipe, and a valve is arranged on the vertical pipe;

the left end head comprises a first shell, a push rod, a sliding sleeve, a first spring, a first sealing ring and a second sealing ring, wherein a through hole is formed in the first shell in a penetrating manner along the left-right direction, the right side of the first shell is connected with the left side of the transverse tube, a first pore canal and a second pore canal with the diameter smaller than that of the first pore canal are sequentially formed in the first shell from right to left, the push rod comprises a right plate, a connecting rod and a left plate, the right plate is positioned in the first pore canal and has the diameter larger than that of the second pore canal, the left plate is positioned in the second pore canal, the connecting rod is connected with the right plate and the left plate, the sliding sleeve and the first spring are sleeved on the connecting rod, the sliding sleeve is in butt joint with the left side of the first spring, a third pore canal with the diameter smaller than that of the left plate and a fourth pore canal with the diameter larger than that of the left plate are sequentially formed in the sliding sleeve from right to left, the first sealing ring is arranged in the sliding sleeve, the first sealing ring is arranged on the outer wall of the sliding sleeve, and the sealing ring is in butt joint with the second pore canal, and the sealing ring is far away from the right when the second sealing ring is arranged on the second pore canal;

the right end head comprises a second shell, a second spring, a sealing plug and a sealing gasket, wherein a through hole is formed in the second shell in a penetrating mode in the left-right direction, the left side of the second shell is connected with the right side of the transverse tube, the inner wall of the right side of the second shell extends inwards to form a limiting ring, the second spring, the sealing plug and the sealing gasket are arranged on the left side of the limiting ring in a left-right mode, and when the sealing gasket is sealed, the second spring pushes the sealing gasket to be abutted to the limiting ring, and when the sealing gasket is opened, the sealing gasket is pushed to move leftwards.

As a preferred improvement of the present utility model: the vertical pipe is arranged along the vertical direction and is connected with the middle part of the transverse pipe.

As a preferred improvement of the present utility model: the valve is a manual stop valve.

As a preferred improvement of the present utility model: and the right plate is provided with a through hole.

As a preferred improvement of the present utility model: the diameter of the channel in the transverse tube is smaller than that of the right plate, and the diameter of the channel in the transverse tube is smaller than that of the second spring.

The three-way device comprises two three-way jigs, namely a left three-way jig and a right three-way jig, wherein the left end head of the right three-way jig is connected with the right end head of the left three-way jig, the left plate of the right three-way jig is abutted with the sealing gasket of the left three-way jig, and the limiting ring of the left three-way jig is abutted with the sliding sleeve of the right three-way jig.

As a preferred improvement of the present utility model: the nut is installed to the outer wall of tee bend tool the first casing, the outer wall of second casing be equipped with nut complex screw thread.

As a preferred improvement of the present utility model: the left side of sliding sleeve installs first blotter.

As a preferred improvement of the present utility model: a second buffer pad is arranged on the left side of the second spring.

As a preferred improvement of the present utility model: the standpipe of left tee bend tool passes through joint, first high pressure resistant explosion-proof pipe, flange and is connected with the pump, the standpipe of right tee bend tool passes through second high pressure resistant explosion-proof pipe, relief pressure valve and is connected with the gas cylinder.

The beneficial effects of the utility model are as follows:

the jig is convenient to carry, flexible in switching, capable of greatly improving application occasions and realizing loads of different devices and different gases, capable of shortening operation time of the whole process of vacuumizing and filling the gases, and capable of improving working efficiency, and simple in structure, and capable of improving efficiency of equipment maintenance, repair and assembly test.

Drawings

For a clearer description of the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the description below are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:

FIG. 1 is a schematic diagram of a three-way fixture according to the present utility model;

FIG. 2 is a schematic diagram of a three-way pipe according to the present utility model;

FIG. 3 is an exploded view of the left-hand head structure of the present utility model;

FIG. 4 is an exploded view of the right-hand end structure of the present utility model;

FIG. 5 is a cross-sectional view of the bottom region of the present utility model;

FIG. 6 is an enlarged schematic view of FIG. 5A;

FIG. 7 is an enlarged schematic view at B in FIG. 5;

fig. 8 is a schematic diagram of the three-way fixture according to the present utility model.

In the figure: 100-three-way pipe, 110-horizontal pipe, 120-vertical pipe, 130-valve, 200-left end socket, 210-first shell, 211-first duct, 212-second duct, 220-ejector pin, 221-right plate, 222-connecting rod, 223-left plate, 230-sliding sleeve, 231-third duct, 232-fourth duct, 240-first spring, 250-first sealing ring, 260-second sealing ring, 270-nut, 280-first buffer pad, 300-right end socket, 310-second shell, 311-limiting ring, 320-second spring, 330-sealing plug, 340-sealing pad, 350-second buffer pad, 400-connector, 500-first high pressure resistant explosion-proof pipe, 600-flange, 700-second high pressure resistant explosion-proof pipe, 800-pressure reducing valve.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described in the following in conjunction with the embodiments of the present utility model, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, the technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present utility model.

Referring to fig. 1-2, the present utility model provides a three-way fixture and a device, including a three-way pipe 100, a left end head 200 and a right end head 300, wherein the three-way pipe 100 includes a horizontal pipe 110 and a vertical pipe 120, the horizontal pipe 110 is provided with a passage along a left-right direction, the vertical pipe 120 is connected with the horizontal pipe 110 and is communicated with an internal passage thereof, the vertical pipe 120 is provided with a valve 130, and the left end head 200 and the right end head 300 are correspondingly connected to left and right ends of the horizontal pipe 110. Specifically, the horizontal pipe 110 is connected to the vertical pipe 120 to form three outlets, and the outlet of the vertical pipe 120 is provided with the valve 130 for opening and closing the outlet. Left and right end outlets of the transverse pipe 110 are respectively connected with the left end head 200 and the right end head 300, and are respectively used for opening and closing corresponding outlets. The three-way jig has 3 ports which can be closed, a closed cavity is formed in the three-way jig, and the vacuum or positive pressure high-pressure state is kept, so that the cleanness of the jig is ensured, no impurity pollution is caused, and the self-closing port is used for connecting a compressor, a gas bearing container, a gas working part and the like.

Referring to fig. 3, 5 and 6, the left end 200 includes a first housing 210, a push rod 220, a sliding sleeve 230, a first spring 240, a first sealing ring 250 and a second sealing ring 260, wherein a through hole is formed in the first housing 210 along the left-right direction, the right side of the first housing 210 is connected with the left side of the transverse tube 110, a first duct 211 and a second duct 212 with a smaller diameter than the first duct 211 are sequentially formed in the first housing 210 from right to left, the push rod 220 includes a right plate 221, a connecting rod 222 and a left plate 223, the right plate 221 is located in the first duct 211 and has a larger diameter than the second duct 212, the left plate 223 is located in the second duct 212, the connecting rod 222 is connected with the right plate 221 and the left plate 223, the sliding sleeve 230 and the first spring 240 are sleeved on the connecting rod 222, the sliding sleeve 230 is abutted with the left side of the first spring 240, and the sliding sleeve 230 is sequentially formed in the right side to the inside of the first spring 240, and the sliding sleeve 230 is sequentially provided with a diameter smaller than the second duct 260, and the diameter of the second sealing ring 260 is larger than the diameter of the second duct 260, and the diameter of the second sealing ring 223 is abutted with the second sealing ring 260.

Specifically, the first housing 210 is screwed or welded to the transverse tube 110, and the device is convenient to disassemble and maintain if the screwing mode is adopted. The apertures of the first duct 211 and the second duct 212 are different, so that the right plate 221 cannot be separated from the first housing 210 from the left side, and a stop block may be disposed inside the first housing 210 to limit the right plate 221 to the right side, in this embodiment, the size of the transverse tube 110 is smaller than that of the right plate 221, so that it cannot be separated from the first housing 210 from the right side. Under the spring force, the first spring 240 pushes the sliding sleeve 230 to the left, so that the inner wall of the sliding sleeve 230 abuts against the second sealing ring 260, sealing is achieved, and similarly, the first sealing ring 250 also has a sealing effect. When the sliding sleeve 230 is pressed rightward by an external force, gas enters from the left side of the sliding sleeve 230, passes through the first spring 240 and the right plate 221 and enters the transverse tube 110, and under the external force, the right plate 221 moves rightward and can be provided with a stop block to prevent the stop block from abutting against the transverse tube 110, so that the gas circulation is ensured, and a through hole can be formed in the right plate 221 for the gas circulation.

Referring to fig. 4 and 7, the right end 300 includes a second housing 310, a second spring 320, a sealing plug 330, and a sealing gasket 340, where the second housing 310 is provided with a through hole along a left-right direction, the left side of the second housing 310 is connected with the right side of the transverse tube 110, the inner wall of the right side of the second housing 310 extends inward to form a limiting ring 311, the second spring 320, the sealing plug 330, and the sealing gasket 340 are disposed on the left side of the limiting ring 311 in a left-to-right manner, and when sealing, the second spring 320 pushes the sealing gasket 340 to abut against the limiting ring 311, and when opening, pushes the sealing gasket 340 to move leftwards.

Specifically, the second housing 310 is screwed or welded to the transverse tube 110, and the device is convenient to disassemble and maintain if the screwing mode is adopted. Under the spring force, the second spring 320 presses the sealing plug 330 and the sealing pad 340 rightward, so that the sealing pad 340 abuts against the limiting ring 311, and further closes the outlet on the right side of the second housing 310. In this embodiment, the size of the sealing pad 340 is larger than the size of the limiting ring 311. The inner wall of the second housing 310 may be provided with a stopper to limit the second spring 320 to a left position and play a supporting role, or may be provided with a cross tube 110 having a smaller size than the second spring 320, so that the cross tube 110 plays a limiting and supporting role on the second spring 320. The external force pushes the sealing gasket 340 leftwards, the spring compresses, and the gas flows leftwards from the outer sides of the sealing gasket 340 and the sealing plug 330 and enters the transverse tube 110.

As an embodiment, the standpipe 120 is disposed along a vertical direction and connected to a middle portion of the transverse pipe 110, and the valve 130 is a manual stop valve. The right plate 221 is provided with a plurality of through holes, which are uniformly distributed in a circular shape (around the outer side of the connecting rod 222). The diameter of the passage in the transverse tube 110 is smaller than the diameter of the right plate 221, and the diameter of the passage in the transverse tube 110 is smaller than the diameter of the second spring 320.

The self-sealing mode of the left end head 200: when the pressure in the cavity of the three-way jig is positive, the sliding sleeve 230 is pushed to cover the second sealing ring 260 leftwards to realize self-sealing; during negative pressure, the compression pressure is designed through the first spring 240, so that the ultimate negative pressure of vacuumizing is met without deformation, and the first spring 240 keeps pushing the sliding sleeve 230 to self-seal leftwards. An external force (such as the limiting ring 311) is required to push the sliding sleeve 230 to move rightward, so as to open the self-closing interface.

The self-sealing mode of the right end head 300: when the pressure is positive, the pressure in the cavity of the three-way jig pushes the sealing plug 330 and the sealing gasket 340 to prop against the limiting ring 311 for self-sealing; at the negative pressure, the second spring 320 is used for designing compression pressure, so that the ultimate negative pressure of vacuumizing is met and self-sealing is realized without deformation. An external force (such as the push rod 220) is required to push the sealing plug 330 and the sealing gasket 340 against the sealing plug 330 to shrink inwards, so as to open the self-closing interface.

Referring to fig. 8, a three-way device includes two three-way tools, namely a left three-way tool and a right three-way tool, wherein the left end 200 of the right three-way tool is connected with the right end 300 of the left three-way tool, the left plate 223 of the right three-way tool is abutted with the sealing pad 340 of the left three-way tool, and the limiting ring 311 of the left three-way tool is abutted with the sliding sleeve 230 of the right three-way tool. In other words, the three-way device is formed by connecting two three-way jigs, wherein the left end 200 of one three-way jig is correspondingly connected with the right end 300 of the other three-way jig. The tee jig can be used independently or two tee jigs can be connected together to be matched with each other.

As an embodiment, the outlet of the standpipe 120 of the three-way fixture is connected to a pump through a connector 400 (ferrule connector adapter), a first high-pressure-resistant explosion-proof pipe 500 and a flange 600 (KF 25 vacuum flange adapter ferrule connector), and the left end head 200 and the right end head 300 are connected to a device requiring evacuation. And opening the valve 130, opening a pump, namely vacuumizing the equipment, and closing the valve 130 after the vacuum degree is reached. A special connector can be arranged, the connector is in threaded connection with the left end head 200 and the right end head 300, a striker rod is arranged inside one end of the connector to correspondingly push the sliding sleeve 230 and the sealing plug 330 (open an opening), and the other end of the connector is normally connected with used equipment. It should be further noted that other components are adopted to achieve the above effects, and should be within the scope of the present utility model.

As an embodiment, the outlet of the standpipe 120 of the three-way fixture is connected to a gas cylinder through a connector 400 (ferrule-to-ferrule adapter), a first high-pressure-resistant explosion-proof pipe 500 and a pressure reducing valve 800, and the left end head 200 and the right end head 300 are connected to a device to be inflated. And opening the valve 130, opening a gas cylinder switch, namely inflating the equipment, and closing the valve 130 after the inflation is completed.

As an implementation manner, two tee joint jigs are correspondingly connected (screw connection manner) left and right, the standpipe 120 of the left tee joint jig is connected with a pump through a joint 400, a first high pressure-resistant explosion-proof pipe 500 and a flange 600, and the standpipe 120 of the right tee joint jig is connected with a gas cylinder through a second high pressure-resistant explosion-proof pipe 700 and a pressure reducing valve 800. And opening the valve 130 of the left three-way jig, closing the valve 130 of the right three-way jig, and vacuumizing the equipment. And closing the valve 130 of the left three-way jig, opening the valve 130 of the right three-way jig, and inflating the equipment.

The nut 270 is installed on the outer wall of the first housing 210 of the three-way fixture, and the screw thread matched with the nut 270 is provided on the outer wall of the second housing 310. The two are in threaded connection, so that the disassembly is convenient, and the ejector rod 220 of the right three-way jig can push the sealing plug 330 of the left three-way jig to open the corresponding outlet by the locking force of the nut 270; meanwhile, the limiting ring 311 of the left tee fixture pushes the sliding sleeve 230 of the right tee fixture to open the corresponding outlet, so that the left tee fixture is communicated with the right tee fixture.

A first cushion 280 is mounted on the left side of the sliding sleeve 230, and a second cushion 350 is mounted on the left side of the second spring 320. The buffer cushion is arranged to play a role in buffering and protecting the device.

Working principle: under the action of the elastic force of the spring, the left end socket 200 and the right end socket 300 are in a sealed state, and the left end socket 200 and the right end socket 300 can be opened by pushing the sliding sleeve 230 and the sealing plug 330 under the external force. The left end 200, the right end 300 and the vertical pipe 120 are respectively connected with devices such as equipment, a pump, a gas cylinder and the like, so that the equipment can be vacuumized or deflated. The two tee jigs are connected and respectively connected with the pump and the gas cylinder, so that the inflation and the vacuumizing processes can be realized by only adjusting the two valves 130 under the condition of not replacing the device.

Although embodiments of the present utility model have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the utility model would be readily apparent to those skilled in the art, and accordingly, the utility model is not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.

Claims

1. A tee bend tool, its characterized in that: the three-way pipe comprises a three-way pipe (100), a left end head (200) and a right end head (300), wherein the three-way pipe (100) comprises a transverse pipe (110) and a vertical pipe (120), the transverse pipe (110) is provided with a passage in a penetrating manner along the left-right direction, the vertical pipe (120) is connected with the transverse pipe (110) and is communicated with the inner passage of the transverse pipe, and the vertical pipe (120) is provided with a valve (130);

the left end head (200) comprises a first shell (210), an ejector rod (220), a sliding sleeve (230), a first spring (240), a first sealing ring (250) and a second sealing ring (260), wherein a through hole is formed in the first shell (210) in a penetrating mode along the left-right direction, the right side of the first shell (210) is connected with the left side of a transverse tube (110), a first pore channel (211) and a second pore channel (212) with the diameter smaller than that of the first pore channel (211) are sequentially formed in the first shell (210) from right to left, the ejector rod (220) comprises a right plate (221), a connecting rod (222) and a left plate (223), the right plate (221) is located in the first pore channel (211) and has the diameter larger than that of the second pore channel (212), the left plate (223) is located in the second pore channel (212), the connecting rod (222) is connected with the right plate (221) and the left plate (223), the sliding sleeve (230) and the first spring (240) are sequentially arranged on the left side and the right side of the first spring (240) and has the diameter smaller than that of the diameter of the first pore channel (230) is larger than that of the first pore channel (230) and the diameter of the third plate (223), the first sealing ring (250) is mounted on the outer wall of the sliding sleeve (230) and is in contact with the inner wall of the second pore canal (212), the second sealing ring (260) is mounted on the outer wall of the left plate (223), when in sealing, the second sealing ring (260) is in contact with the inner wall of the fourth pore canal (232), and when in opening, the sliding sleeve (230) moves rightwards and is far away from the second sealing ring (260);

the right end (300) comprises a second shell (310), a second spring (320), a sealing plug (330) and a sealing gasket (340), wherein a through hole is formed in the second shell (310) in a penetrating mode in the left-right direction, the left side of the second shell (310) is connected with the right side of the transverse tube (110), the right side inner wall of the second shell (310) extends inwards to form a limiting ring (311), the second spring (320) the sealing plug (330) and the sealing gasket (340) are arranged on the left side of the limiting ring (311) in a left-right mode, and when in sealing, the second spring (320) pushes the sealing gasket (340) to be abutted to the limiting ring (311), and when in opening, the sealing gasket (340) is pushed to move leftwards.

2. The tee joint jig according to claim 1, wherein: the vertical pipes (120) are arranged along the vertical direction and are connected to the middle parts of the transverse pipes (110).

3. The tee joint jig according to claim 1, wherein: the valve (130) is a manual shut-off valve.

4. The tee joint jig according to claim 1, wherein: the right plate (221) is provided with a through hole.

5. The tee joint jig according to claim 1, wherein: the diameter of the channel in the transverse tube (110) is smaller than the diameter of the right plate (221), and the diameter of the channel in the transverse tube (110) is smaller than the diameter of the second spring (320).

6. A three-way device, characterized in that: the three-way jig comprises two three-way jigs according to any one of claims 1 to 5, namely a left three-way jig and a right three-way jig, wherein the left end head (200) of the right three-way jig is connected with the right end head (300) of the left three-way jig, the left plate (223) of the right three-way jig is abutted with the sealing gasket (340) of the left three-way jig, and the limiting ring (311) of the left three-way jig is abutted with the sliding sleeve (230) of the right three-way jig.

7. A three-way device according to claim 6, characterized in that: the outer wall of the first shell (210) of the tee joint jig is provided with a screw cap (270), and the outer wall of the second shell (310) is provided with threads matched with the screw cap (270).

8. A three-way device according to claim 6, characterized in that: a first buffer pad (280) is arranged on the left side of the sliding sleeve (230).

9. A three-way device according to claim 6, characterized in that: a second cushion pad (350) is mounted on the left side of the second spring (320).

10. A three-way device according to claim 6, characterized in that: the vertical pipe (120) of the left tee joint jig is connected with a pump through a joint (400), a first high-pressure-resistant explosion-proof pipe (500) and a flange (600), and the vertical pipe (120) of the right tee joint jig is connected with a gas cylinder through a second high-pressure-resistant explosion-proof pipe (700) and a pressure reducing valve (800).