CN217736645U

CN217736645U - Flexible air pipe threading auxiliary device for air supply cabinet and air supply cabinet

Info

Publication number: CN217736645U
Application number: CN202221947528.6U
Authority: CN
Inventors: 任如; 曾志勇; 蒋秀英
Original assignee: Shanghai Lizhi Electromechanical Technology Co ltd
Current assignee: Shanghai Lizhi Semiconductor Technology Co ltd
Priority date: 2022-07-26
Filing date: 2022-07-26
Publication date: 2022-11-04
Anticipated expiration: 2032-07-26

Abstract

The application relates to the technical field of gas conveying devices and discloses a flexible gas pipe threading auxiliary device for a gas supply cabinet and the gas supply cabinet, wherein the flexible gas pipe threading auxiliary device for the gas supply cabinet comprises a fixing pipe which is arranged in a hole in a cabinet body in a penetrating manner, a fixing structure for fixing the fixing pipe on the cabinet body is arranged on the fixing pipe, and a line passing channel for a gas conveying pipe to pass through is formed in the fixing pipe along the axial direction of the fixing pipe; the fixed pipe is provided with a clamping structure for clamping the gas pipe penetrating through the wire passing channel; the clamping structure is provided with a buffer piece and/or a buffer structure for buffering the relative motion between the clamping structure and the gas pipe, and the plastic hose and the gas supply cabinet can be separated from each other to form a hole, so that gas leakage caused by friction and damage of the gas pipe is prevented; the gas supply cabinet is because of using gas supply cabinet can realize conveniently, carry gaseous effect steadily with flexible trachea threading auxiliary device.

Description

Flexible air pipe threading auxiliary device for air supply cabinet and air supply cabinet

Technical Field

The application relates to the technical field of gas conveying devices, in particular to a flexible gas pipe threading auxiliary device for a gas supply cabinet and the gas supply cabinet.

Background

During integrated circuit manufacturing processes, it is desirable to improve the process environment with certain gases, such as inert gases used as shielding gases during IC chip production, using chemistries where inert gases are extremely inert. However, special gases such as inert gases cannot be directly used for the production and manufacturing of integrated circuits, and need to be used in the form of mixed gases, so that a gas supply cabinet needs to be used for mixing the inert gases, and the mixed gases are conveyed to an operation station by a gas conveying pipe at a stable gas pressure.

At present, gas pipes usually directly penetrate through holes in the wall of a gas supply cabinet to convey gas in a gas storage tank to an operation station. In order to facilitate the arrangement of the air delivery pipe, the air delivery pipe is usually made of a plastic hose. Because the trompil edge on the gas supply cabinet wall is comparatively sharp, the gas-supply pipe that plastic hose made rubs with above-mentioned trompil, just can take place the damage after using a period, leads to gaseous leakage, causes the air feed unstability.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems that a plastic hose is easy to damage due to friction at an opening of a gas supply cabinet and air pressure is unstable, the application aims to provide the flexible air pipe threading auxiliary device for the gas supply cabinet, which can separate a plastic air pipe from the opening of the gas supply cabinet and prevent the air pipe from leaking due to friction and damage; the second purpose of this application lies in providing a gas supply cabinet, can protect the plastics gas-supply pipe, realizes convenient, the effect of conveying gas steadily.

The specific scheme is as follows:

a flexible air pipe threading auxiliary device for an air supply cabinet comprises a fixing pipe which is arranged in a hole of a cabinet body in a penetrating manner, wherein a fixing structure used for fixing the fixing pipe on the cabinet body is arranged on the fixing pipe, and a line passing channel for an air conveying pipe to pass through is formed in the fixing pipe along the axial direction of the fixing pipe;

the fixed pipe is provided with a clamping structure used for clamping and penetrating the threading channel;

wherein, the clamping structure is provided with a buffer piece and/or a buffer structure for buffering the relative motion between the clamping structure and the gas pipe.

By adopting the technical scheme, the threading auxiliary device is fixed on the wall of the gas supply cabinet by using the fixing structure; the gas pipe penetrating through the threading auxiliary device is clamped by the clamping structure, so that contact friction between the gas pipe and the wall of the gas supply cabinet is avoided, relative motion between the gas pipe and the threading auxiliary device is reduced, the gas pipe is prevented from being damaged due to friction at the end part of the threading auxiliary device, gas leakage is prevented, and the phenomenon of unstable gas pressure of the conveyed gas is prevented; utilize buffer piece and/or buffer structure buffering clamping structure and the relative motion between the gas-supply pipe, provide little allowance for the gas-supply pipe, reduce the gas-supply pipe because of dragging deformation and even damaged probability that leads to gas leakage.

Preferably, the fixed pipe comprises a fixed main pipe and a fixed auxiliary pipe;

a fixed internal thread is formed on the inner side wall of the fixed main pipe, and a first annular limiting block is arranged on the outer side wall of one end of the fixed main pipe along the circumferential direction of the fixed main pipe;

the outer side wall of the fixed auxiliary pipe is provided with a fixed external thread, and the outer side wall of the fixed auxiliary pipe is provided with a second annular limiting block along the circumferential direction;

the fixing structure is characterized in that one section of the fixing external thread on the fixing auxiliary pipe extends into the fixing main pipe and is in threaded connection with the fixing main pipe, and the fixing structure is a clamping groove between the first annular limiting block and the second annular limiting block.

Through adopting above-mentioned technical scheme, can fix threading auxiliary device on the gas supply cabinet wall, avoid the relative motion between threading auxiliary device and the gas supply cabinet trompil, easy to assemble.

Preferably, the clamping structure comprises a locking section, a clamping section and a locking nut matched with the locking section;

the locking section is coaxially arranged on the fixed auxiliary pipe and is positioned on one side, away from the locking external thread, of the second annular limiting block, and the locking external thread is arranged on the outer side wall of the locking section;

the clamping section and the locking section are coaxially arranged and are provided with clamping channels communicated with the wire passing channels along the axial direction;

an opening at one end of the clamping section, which is far away from the locking section, is provided with a serrated locking sheet;

the inner side wall of the locking nut is provided with an internal locking thread matched with the external locking thread, and an opening at one end of the locking nut shrinks towards the axis of the locking nut to form a locking cambered surface;

when the locking nut is locked with the locking section through threads, the locking cambered surface pushes the locking sheet to clamp the gas pipe penetrating through the clamping channel.

Through adopting above-mentioned technical scheme, locking external screw thread through the locking section and lock nut's locking internal thread locking cooperation, make the locking cambered surface push the gas-supply pipe that the stay presss from both sides tightly to wear to locate in the centre gripping passageway, when the locking external screw thread of locking section and lock nut's locking internal thread unscrew, make the gas-supply pipe can pass locking cambered surface free activity, the relative motion between gas-supply pipe and the threading auxiliary device has been reduced, avoided the gas-supply pipe to cause the damage at threading auxiliary device tip friction, prevent that gas leakage from causing gas conveying atmospheric pressure unstable.

Preferably, the edges of the first annular limiting block and the second annular limiting block are arranged in a regular polygon shape.

Through adopting above-mentioned technical scheme, conveniently utilize tools such as spanner to block the edge of living first annular stopper and second annular stopper to thereby conveniently revolve to twist fixed being responsible for or fixed auxiliary pipe makes the two threaded connection.

Preferably, the fixed main pipe and the first annular limiting block are integrally formed;

the fixed auxiliary pipe and the second annular limiting block, the locking section and the clamping section are integrally formed.

Through adopting above-mentioned technical scheme, integrated into one piece sets up the structural strength who has improved fixed main pipe and fixed auxiliary pipe, simultaneously, makes things convenient for the producer to carry out batch production to threading auxiliary device.

Preferably, the fixed pipe comprises a fixed inner pipe and a fixed outer pipe which are coaxially arranged, and a tubular movable gap is formed between the fixed inner pipe and the fixed outer pipe;

the outer side wall of the fixed outer pipe close to one end of the fixed outer pipe is provided with a fixing groove along the circumferential direction of the fixed outer pipe, the fixing groove is used for fixing the fixed outer pipe on the wall of the gas supply cabinet, and the fixing structure is configured to be a fixing groove;

the fixed outer tube and the fixed inner tube are close to and fused with one section far away from the fixed groove to form the clamping structure, and the fixed inner tube forms a line passing channel for the air delivery tube to pass through along the axial direction of the fixed inner tube.

Through adopting above-mentioned technical scheme, push fixed outer tube and make one section of fixed pipe pass gas supply cabinet wall, utilize the fixed slot to fix threading auxiliary device on the gas supply cabinet body, the pipy movable gap that forms between fixed inner tube and the fixed outer tube, can conveniently compress fixed outer tube and make it pass gas supply cabinet wall, and simultaneously, wear to locate the gas-supply pipe of fixed inner tube because the existence of above-mentioned movable gap, the gas-supply pipe itself has possessed certain activity surplus when the atress, when meetting the condition that needs certain degree removal gas-supply pipe such as transport gas holder, the gas-supply pipe is located one section of gas supply cabinet wall and can move about and avoid dragging deformation and even take place to break, avoid causing gas leakage.

Preferably, the clamping structure comprises a clamping external thread arranged along the circumferential direction of the fixed outer tube and a plurality of sawtooth-shaped clamping pieces arranged along the circumferential direction of the fixed outer tube, and the plurality of clamping pieces surround to form a clamping channel for the gas transmission tube to pass through;

the clamping external thread is arranged close to the fixing groove, and the clamping piece is positioned at one end of the fixing outer pipe, which is far away from the fixing groove;

the clamping structure further comprises a clamping nut, a clamping internal thread matched with the clamping external thread is formed in the inner side wall of the clamping nut, and an opening at one end of the clamping nut shrinks towards the axis of the clamping nut to form a clamping arc surface;

when the clamping nut is locked with the clamping external thread, the clamping cambered surface pushes the clamping piece to clamp the gas pipe penetrating through the clamping channel.

Through adopting above-mentioned technical scheme, through the centre gripping external screw thread of locking section and lock nut's centre gripping internal thread locking cooperation, make the centre gripping cambered surface push and extrude the gas-supply pipe that the holding piece presss from both sides tightly to wear to locate in the centre gripping passageway, when the centre gripping external screw thread of locking section and lock nut's centre gripping internal thread unscrew, make the gas-supply pipe can pass centre gripping cambered surface free activity, the relative motion between gas-supply pipe and the threading auxiliary device has been reduced, avoided the gas-supply pipe to cause the damage at threading auxiliary device tip friction, prevent that gas leakage from causing gas conveying atmospheric pressure unstable.

Preferably, an arc-shaped guide angle is arranged on the edge of the end face of the fixed outer pipe close to one end of the fixed groove.

Through adopting above-mentioned technical scheme, for fixed outer tube pushes away the card and goes into the gas supply cabinet wall and provide a guide structure, conveniently fixes the trompil that the outer tube inserted gas supply cabinet wall, installs convenient high efficiency.

Preferably, the buffer member and/or the buffer structure comprises a buffer pad which is coaxially nested in the clamping channel and/or the wire passing channel.

By adopting the technical scheme, a small displacement movement allowance can be formed between the gas pipe and the threading auxiliary device, so that when the gas pipe needs a certain displacement, the gas pipe is locked by the clamping channel and cannot move, and pulling deformation is avoided; simultaneously, the blotter can avoid the gas loss in the gas supply cabinet to the external environment when the centre gripping section is in the relaxed state, and finally, soft blotter can also reduce fixed pipe and cause wearing and tearing to the gas-supply pipe.

The second purpose of the application is to provide a gas supply cabinet, which comprises a cabinet body, wherein a gas mixing device is installed in the cabinet body, the gas mixing device is communicated with a gas pipe, and the gas pipe penetrates through the cabinet wall of the cabinet body and is communicated with an external gas storage tank; the cabinet wall of the cabinet body is provided with the flexible air pipe threading auxiliary device for the air supply cabinet, and the air conveying pipe penetrates through the flexible air pipe threading auxiliary device for the air supply cabinet.

By adopting the technical scheme, the flexible gas conveying pipe can be effectively protected, the probability of damage of the flexible gas conveying pipe is reduced, the service life of the flexible gas conveying pipe is prolonged, and the effect of conveniently and stably conveying gas is realized.

Compared with the prior art, the beneficial effects of this application are as follows:

(1) According to the flexible air pipe threading auxiliary device for the air supply cabinet, the fixing pipe is arranged to isolate the plastic air pipe from a sharp opening of the air supply cabinet, so that the air pipe is prevented from being broken and leaking air due to the fact that the opening of the air supply cabinet rubs the air pipe, and the effect of protecting the air pipe is achieved;

(2) According to the flexible air pipe threading auxiliary device for the air supply cabinet, the air supply pipe is clamped by the clamping structure, so that relative motion between the air supply pipe and the threading auxiliary device is prevented, the air supply pipe is further prevented from being damaged by friction, and the probability of breakage and air leakage of the air supply pipe is reduced;

(3) According to the flexible air pipe threading auxiliary device for the air supply cabinet, the buffer piece is arranged, so that relative motion between the air supply pipe and the threading auxiliary device is buffered, a small movement allowance is provided for the air supply pipe, when the air supply pipe needs a certain displacement, the air supply pipe is locked by the clamping channel and cannot move, and dragging deformation is avoided; meanwhile, the buffer cushion can prevent the gas in the gas supply cabinet from escaping to the external environment when the clamping section is in a relaxed state, and finally, the soft buffer cushion can also reduce the abrasion of the fixing pipe to the gas transmission pipe;

(4) This application gas supply cabinet is through using above-mentioned flexible trachea threading auxiliary device for gas supply cabinet, and trompil friction damage on the flexible trachea that prevents among the gas supply cabinet and the cabinet body has protected flexible trachea, reduces its damaged probability, prolongs its life, guarantees that gas supply cabinet is convenient, transport gas steadily.

Drawings

FIG. 1 is a schematic structural diagram of embodiment 1 of the present application;

FIG. 2 is an exploded view of example 1 of the present application;

FIG. 3 is a cross-sectional view of the optimized (cushioned) structure of example 1 of the present application;

FIG. 4 is an optimized explosion diagram (cushioned) for example 1 of the present application;

FIG. 5 is a schematic structural diagram of embodiment 2 of the present application;

FIG. 6 is an exploded view of example 2 of the present application;

FIG. 7 is a cross-sectional view of the optimized (cushioned) structure of the present application, example 2;

fig. 8 is a schematic structural diagram of embodiment 3 of the present application.

Reference numerals: 1. a gas delivery pipe; 2. a fixed structure; 3. a fixed tube; 301. fixing the main pipe; 3011. fixing the internal thread; 3012. a first annular limiting block; 302. fixing the auxiliary pipe; 3021. fixing external threads; 3022. a second annular limiting block; 303. a clamping groove; 311. fixing the inner pipe; 312. fixing the outer tube; 313. a clearance for movement; 314. fixing grooves; 315. chamfering; 4. a wire passage; 5. a clamping structure; 501. a locking section; 5011. locking the external thread; 502. a clamping section; 5021. a clamping channel; 5022. a locking piece; 503. a lock nut; 5031. locking the internal thread; 5032. locking the cambered surface; 5033. a threading opening; 511. clamping the external thread; 512. a clamping piece; 513. clamping the nut; 5131. clamping the internal thread; 5132. clamping the cambered surface; 6. a cushion pad; 7. a gas mixing device; 8. an external gas reservoir; 9. a cabinet body.

Detailed Description

The present application will be described in further detail with reference to examples and drawings, but the embodiments of the present application are not limited thereto.

Example one

As shown in fig. 1-2 and fig. 8, a flexible air pipe threading auxiliary device for an air supply cabinet comprises a fixing pipe 3 arranged in an opening of a cabinet body 9 in a penetrating manner, a fixing structure 2 used for fixing the fixing pipe 3 on the wall of the air supply cabinet, and a clamping structure 5 used for clamping an air pipe 1.

The fixed pipe 3 is provided with a wire passing channel 4 along the axis thereof for the gas transmission pipe 1 to pass through, and the fixed pipe 3 comprises a fixed main pipe 301 and a fixed auxiliary pipe 302 which are coaxially arranged. Fixed internal thread 3011 has been seted up on the fixed inside wall of being responsible for 301, and the one end lateral wall of fixed being responsible for 301 is provided with first annular stopper 3012 along its circumference. Be provided with fixed external screw thread 3021 on the lateral wall of fixed accessory pipe 302, be provided with second annular stopper 3022 along its circumference on the fixed accessory pipe 302 lateral wall, first annular stopper 3012 with form the card between the second annular stopper 3022 and decide groove 303, set up to fix the fixed knot structure 2 of pipe 3 card on the gas supply cabinet wall.

When the threading auxiliary device is installed, the fixed main pipe 301 and the fixed auxiliary pipe 302 are respectively positioned at two sides of the cabinet wall of the air supply cabinet, one ends of the threads of the fixed main pipe 301 and the fixed auxiliary pipe 302 are opposite, and one section of the fixed external thread 3021 of the fixed auxiliary pipe 302 extends into the fixed main pipe 301 and is in threaded connection with the fixed internal thread 3011 of the fixed main pipe 301. In order to facilitate installation, the edges of the first annular limiting block 3012 and the second annular limiting block 3022 are set to be regular polygons, and since the wrench is generally applicable to a regular hexagon structure, the shapes of the edges of the two annular limiting blocks are preferably regular hexagons.

As shown in fig. 2-3, the clamping structure 5 includes a locking section 501, a clamping section 502, and a locking nut 503 coupled to the locking section 501.

The fixed auxiliary pipe 302 is located on one side of the second annular limiting block 3022 far away from the fixed external thread 3021, a locking section 501 is coaxially arranged, and a locking external thread 5011 is formed on the outer side wall of the locking section 501. A clamping section 502 is coaxially arranged at one end of the locking section 501, which is far away from the fixing auxiliary pipe 302, a clamping passage 5021 communicated with the wire passing passage 4 is axially arranged between the locking section 501 and the clamping section 502, and a serrated locking sheet 5022 is arranged at an opening at one end of the clamping section 502, which is far away from the locking section 501.

The inner side wall of the locking nut 503 is provided with a locking internal thread 5031 matched with the locking external thread 5011, an opening at one end of the locking nut 503 is contracted towards the axis of the locking nut, a locking arc surface 5032 is formed on the inner side wall, and a threading opening 5033 for the air delivery pipe 1 to pass through is formed on the locking arc surface 5032. When the locking nut 503 is screwed with the locking segment 501, the locking arc 5032 pushes the locking tabs 5022 to draw and clamp the gas pipe 1 passing through the clamping channel 5021 in the axial direction of the clamping channel 5021; when the locking nut 503 and the locking segment 501 are unscrewed, the locking arc 5032 loosens the locking piece 5022, and loosens the gas pipe 1 penetrating through the clamping passage 5021 so that the gas pipe can move, and the gas pipe is convenient to install.

In order to increase the friction force on the outer surface of the lock nut 503, the outer side surface of the lock nut 503 is provided with straight knurls, meanwhile, because the threading assisting device is tightly distributed on the cabinet body 9, the lock nut 503 needs to be screwed by hand, and the edges of the hexagonal outline of the lock nut 503 are provided with chamfers along the axial direction, so that the hand is prevented from being scratched by sharp edges.

In order to enable the structure of the flexible air pipe threading auxiliary device for the air supply cabinet to be more stable and facilitate the batch production of the threading auxiliary device, the fixed main pipe 301 and the first annular limiting block 3012 are integrally formed. The fixed auxiliary pipe 302, the second annular limiting block 3022, the locking section 501, and the clamping section 502 are integrally formed, and all adopt a plastic pouring molding technology. The threading auxiliary device made of plastic has lower production cost and is not easy to cause abrasion to the gas transmission pipe 1.

In order to reduce the mutual friction between the threading assisting device and the flexible gas pipe 1, a buffer pad 6 is coaxially nested in the clamping channel 5021 and/or the threading channel 4, as shown in fig. 4, and is used as a buffer piece or a buffer structure for buffering the relative movement between the gas pipe 1 and the fixed pipe 3. In this embodiment, the cushion 6 is preferably a soft and elastic sponge washer, and is disposed to penetrate the clamping channel 5021 and the wire passage 4.

Under the condition that needs certain degree removal gas-supply pipe 1 such as transport gas holder, based on the aforesaid setting, can prevent that clamping structure 5 from locking gas-supply pipe 1, avoid gas-supply pipe 1 to drag deformation and lead to breaking and gaseous leakage, and simultaneously, play sealed effect between threading auxiliary device and gas-supply pipe 1, when lock nut 503 and locking section 501 unscrewing, stay 5022 is in when relaxing the state, prevent that the inside gas of gas supply cabinet from passing through the gap loss between stay 5022 and the gas-supply pipe 1 to the gas supply cabinet external environment, avoid causing the potential safety hazard.

Example two

As shown in fig. 5, a flexible air pipe threading assisting device for an air supply cabinet is different from the first embodiment in that, with reference to fig. 7, the fixed pipe 3 includes a fixed inner pipe 311 and a fixed outer pipe 312 which are coaxially arranged, a tubular movable gap 313 is formed between the fixed inner pipe 311 and the fixed outer pipe 312, the fixed inner pipe 311 forms a wire passing channel 4 for the air supply pipe 1 to pass through along the axial direction thereof, a fixing groove 314 is formed on the outer side wall of the fixed outer pipe 312 near one end thereof along the circumferential direction thereof, and the fixing groove 314 is a fixing structure 2 for fixing the fixed pipe 3 on the wall of the air supply cabinet.

The fixed outer tube 312 and the fixed inner tube 311 are fused with each other at a closing-in section away from the fixed groove 314 to form the clamping structure 5, at this time, a clamping channel 5021 for clamping the gas pipe 1 is formed along the axial direction of the fixed inner tube 311, and the clamping channel 5021 is communicated with and coaxial with the line passing channel 4. As shown in fig. 6, the clamping structure 5 sequentially includes a clamping external thread 511 disposed along the circumferential direction of the fixed outer tube 312, and a plurality of saw-toothed clamping pieces 512 disposed along the circumferential direction of the fixed outer tube 312, the clamping structure 5 further includes a clamping nut 513, a clamping internal thread 5131 adapted to the clamping external thread 511 is disposed on the inner side wall of the clamping nut 513, an opening at one end of the clamping nut 513 is contracted towards the axis thereof, a clamping arc 5132 is formed on the inner side wall thereof, and a threading opening 5033 for the air delivery tube 1 to pass through is reserved on the clamping nut 513 along the axial direction thereof.

When the clamping nut 513 is locked with the clamping external thread 511 of the fixed outer tube 312, the clamping cambered surface 5132 pushes the clamping sheet 512 to clamp the gas pipe 1 passing through the wire passing channel 4; when the clamping nut 513 and the clamping external thread 511 of the fixed outer tube 312 are loosened, the clamping piece 512 loosens the gas pipe 1 in the clamping channel 5021.

When installation threading auxiliary device, in the outside of air feed cabinet wall, the one end that is close to clearance 313 is fixed to the fixed outer tube 312 of manual extrusion, go into fixed slot 314 card in the trompil of air feed cabinet wall, pipy clearance 313 easily compresses, be convenient for push fixed outer tube 312 and pass air feed cabinet body 9, and simultaneously, the gas pipe 1 that passes fixed inner tube 311 can have certain activity allowance in clearance 313, under the condition that needs certain degree removal gas pipe 1 such as transport gas holder, one section that gas pipe 1 is located air feed cabinet wall inboard can move about, avoid dragging deformation and even breaking, the probability that causes gas leakage has been reduced.

As shown in fig. 7, in order to guide the fixing outer tube 312 to clip the fixing groove 314 into the wall of the gas supply cabinet, an end face edge fillet 315 of the fixing outer tube 312 near one end of the fixing groove 314 is provided with an arc fillet.

Since the threading assisting device needs to be compressed and pushed to clamp the fixing groove 314 into the air supply cabinet body 9, in this embodiment, the threading assisting device is preferably made of soft rubber material with good elasticity and flexibility.

In order to buffer the relative movement between the air pipe 1 and the fixed pipe 3, as in the first embodiment, sponge washers are coaxially nested in the threading channel 4 and the clamping channel 5021.

In this embodiment, the fixed outer tube 312, the fixed inner tube 311, and the clamping structure 5 are integrally cast, so that the structural strength of the threading assisting device is improved, and the mass production of manufacturers is facilitated.

EXAMPLE III

Based on the scheme of the first embodiment and the second embodiment, as shown in fig. 8, the third embodiment of the present application discloses a gas supply cabinet, which comprises a cabinet body 9, a gas mixing device 7 is installed in the cabinet body 9, the gas mixing device 7 is communicated with a gas pipe 1, and the gas pipe 1 penetrates through the cabinet wall of the cabinet body 9 and is communicated with an external gas storage tank 8. The utility model discloses a flexible trachea threading auxiliary device for gas supply cabinet, including the gas supply cabinet, gas supply cabinet is provided with on the cabinet wall 9 of the cabinet body and is equipped with as in embodiment one or embodiment two the gas supply cabinet is with flexible trachea threading auxiliary device, gas-supply pipe 1 wears to locate among the flexible trachea threading auxiliary device for the gas supply cabinet, prevent that trompil friction is damaged on gas-supply pipe 1 and the cabinet body 9 in the gas supply cabinet, protected gas-supply pipe 1, guarantee that the gas supply cabinet is convenient, transport gas steadily.

The above description is only a preferred embodiment of the present application, and the protection scope of the present application is not limited to the above embodiments, and all technical solutions belonging to the idea of the present application belong to the protection scope of the present application. It should be noted that several improvements and modifications to the present application without departing from the principles of the present application will occur to those skilled in the art, and such improvements and modifications should also be considered within the scope of the present application.

Claims

1. The flexible air pipe threading auxiliary device for the air supply cabinet is characterized by comprising a fixed pipe (3) penetrating through an opening of a cabinet body (9), wherein a fixed structure (2) used for fixing the fixed pipe (3) on the cabinet body (9) is arranged on the fixed pipe (3), and a line passing channel (4) for an air conveying pipe (1) to pass through is formed in the fixed pipe (3) along the axial direction of the fixed pipe;

the fixed pipe (3) is provided with a clamping structure (5) for clamping the gas pipe (1) penetrating through the wire passing channel (4);

wherein, the clamping structure (5) is provided with a buffer piece and/or a buffer structure for buffering the relative movement between the clamping structure (5) and the gas pipe (1).

2. Flexible gas pipe threading aid for gas cabinets according to claim 1, characterized in that said fixed pipe (3) comprises a fixed main pipe (301) and a fixed auxiliary pipe (302);

a fixed internal thread (3011) is formed on the inner side wall of the fixed main pipe (301), and a first annular limiting block (3012) is arranged on the outer side wall of one end of the fixed main pipe (301) along the circumferential direction of the fixed main pipe;

the outer side wall of the fixed auxiliary pipe (302) is provided with a fixed external thread (3021), and the outer side wall of the fixed auxiliary pipe (302) is provided with a second annular limiting block (3022) along the circumferential direction;

the section of the fixed external thread (3021) on the fixed auxiliary pipe (302) extends into the fixed main pipe (301) and is in threaded connection with the fixed main pipe (301), and the fixed structure (2) is a clamping groove (303) formed between the first annular limiting block (3012) and the second annular limiting block (3022).

3. The flexible air pipe threading aid for air supply cabinets of claim 2, wherein said clamping structure (5) comprises a locking section (501), a clamping section (502), and a locking nut (503) cooperating with said locking section (501);

the locking section (501) is coaxially arranged on the fixed auxiliary pipe (302) and is positioned on one side, away from the locking external thread (5011), of the second annular limiting block (3022), and the locking external thread (5011) is formed in the outer side wall of the locking section (501);

the clamping section (502) and the locking section (501) are coaxially arranged, and a clamping channel (5021) communicated with the wire passing channel (4) is axially arranged between the clamping section and the locking section;

a sawtooth-shaped locking sheet (5022) is arranged at an opening at one end, far away from the locking section (501), of the clamping section (502);

a locking internal thread (5031) matched with the locking external thread (5011) is formed in the inner side wall of the locking nut (503), and an opening at one end of the locking nut (503) shrinks towards the axis of the locking internal thread to form a locking arc surface (5032);

when the locking nut (503) is in threaded locking with the locking section (501), the locking cambered surface (5032) pushes the locking sheet (5022) to clamp the gas pipe (1) passing through the clamping channel (5021).

4. The flexible air pipe threading auxiliary device for an air supply cabinet as claimed in claim 2, wherein the edges of the first annular limiting block (3012) and the second annular limiting block (3022) are arranged in a regular polygon.

5. The flexible air pipe threading auxiliary device for an air supply cabinet as claimed in claim 2, wherein the fixed main pipe (301) is integrally formed with the first annular limiting block (3012);

the fixed auxiliary pipe (302), the second annular limiting block (3022), the locking section (501) and the clamping section (502) are integrally formed.

6. The flexible air pipe threading auxiliary device for the air supply cabinet according to claim 1, wherein the fixed pipe (3) comprises a fixed inner pipe (311) and a fixed outer pipe (312) which are coaxially arranged, and a tubular movable gap (313) is formed between the fixed inner pipe (311) and the fixed outer pipe (312);

a fixing groove (314) for fixing the fixing pipe (3) on the wall of the gas supply cabinet is formed in the outer side wall of the fixing outer pipe (312) close to one end of the fixing outer pipe along the circumferential direction of the fixing outer pipe, and the fixing structure (2) is configured to be the fixing groove (314);

the fixed outer tube (312) and the fixed inner tube (311) are close to and fused with one section far away from the fixed groove (314) to form the clamping structure (5), and the fixed inner tube (311) forms a line passing channel (4) for the air conveying tube (1) to pass through along the axial direction of the fixed inner tube.

7. The flexible air pipe threading auxiliary device for the air supply cabinet of claim 6, wherein the clamping structure (5) comprises a clamping external thread (511) arranged along the circumferential direction of the fixed outer pipe (312), and a plurality of sawtooth-shaped clamping sheets (512) arranged along the circumferential direction of the fixed outer pipe (312), and the plurality of clamping sheets (512) surround a clamping channel (5021) for the air supply pipe (1) to pass through;

the clamping external thread (511) is arranged close to the fixing groove (314), and the clamping sheet (512) is positioned at one end, far away from the fixing groove (314), of the fixing outer pipe (312);

the clamping structure (5) further comprises a clamping nut (513), a clamping internal thread (5131) matched with the clamping external thread (511) is formed in the inner side wall of the clamping nut (513), and an opening at one end of the clamping nut (513) shrinks towards the axis of the clamping nut to form a clamping arc surface (5132);

when the clamping nut (513) is locked with the clamping external thread (511), the clamping cambered surface (5132) pushes the clamping sheet (512) to clamp the gas pipe (1) penetrating through the clamping channel (5021).

8. The flexible air pipe threading auxiliary device for an air supply cabinet according to claim 6, wherein the edge of the end face of the fixed outer pipe (312) close to one end of the fixed groove (314) is provided with an arc-shaped lead angle (315).

9. The flexible gas pipe threading aid for gas cabinets of claims 3 or 7, wherein the buffer and/or buffer structure comprises a buffer pad (6) coaxially nested in the clamping channel (5021) and/or the threading channel (4).

10. A gas supply cabinet comprises a cabinet body (9), wherein a gas mixing device (7) is installed in the cabinet body (9), a gas pipe (1) is communicated with the gas mixing device (7), and the gas pipe (1) penetrates through the cabinet wall of the cabinet body (9) and is communicated with an external gas storage tank (8); the air supply cabinet is characterized in that the wall of the cabinet body (9) is provided with the flexible air pipe threading auxiliary device for the air supply cabinet as claimed in any one of claims 1 to 9, and the air conveying pipe (1) is arranged in the flexible air pipe threading auxiliary device for the air supply cabinet in a penetrating manner.