CN217463232U

CN217463232U - Stop valve with self-locking mechanism for air inlet and outlet bodies of oxygen generator

Info

Publication number: CN217463232U
Application number: CN202123422073.4U
Authority: CN
Inventors: 虞巧娜
Original assignee: Ningbo Tiansheng Hengda Electronic Technology Co ltd
Current assignee: Ningbo Tiansheng Hengda Electronic Technology Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-09-20
Anticipated expiration: 2031-12-31

Abstract

The utility model discloses an oxygenerator advances stop valve for exhaust body with self-locking mechanism, including valve pipe, mount pad, ring flange, spacing cavity post and handle, the top surface intermediate position protrusion of valve pipe is provided with the mount pad, and the top surface of mount pad vertically is provided with spacing cavity post perpendicularly. This oxygenerator admission and exhaust gas body stop valve with self-locking mechanism, be provided with the gag lever post, compression spring, when the valve rod is rotating, drive inside spacing ring and cavity piece simultaneously and rotate, the inner wall of gag lever post and spacing cavity post is in conflict state this moment simultaneously, rotate when the gag lever post and arrive one side on bottom or top, the one end of gag lever post can be because compression spring's resilience this moment, make the one end block of gag lever post in the draw-in groove, handle and valve rod can't rotate this moment, thereby realize the auto-lock, thereby prevent that the operator from opening by mistake or the mistake is closed, protect the stability of whole work, simple structure convenient to use.

Description

Stop valve with self-locking mechanism for air inlet and outlet bodies of oxygen generator

Technical Field

The utility model relates to a stop valve technical field specifically is a stop valve for oxygenerator inlet and exhaust gas with self-locking mechanism.

Background

The stop valve is also called stop valve, belonging to forced sealing type valve, so when the valve is closed, it must apply pressure to valve clack to force sealing surface not to leak, when the medium is fed into the valve from below the valve clack, the resistance force which must be overcome by operation force is the friction force of valve stem and packing material and the thrust force produced by pressure of medium, the force for closing the valve is greater than the force for opening the valve, so the diameter of valve stem is greater, otherwise the failure of stem top bending can occur.

The stop valve that an existing oxygenerator needs to be used at the in-process that uses, the stop valve of this department is more important, probably is opened by the mistake or the mistake is closed by people under certain circumstances, the non return stop valve of auto-lock that has to prevent the maloperation has not yet appeared at present.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an oxygenerator is intake and exhaust and uses stop valve with self-locking mechanism to the non return stop valve that has the auto-lock that prevents the maloperation has not yet appeared at present that proposes in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an oxygenerator is intake and exhaust gas and uses stop valve with self-locking mechanism, includes valve pipe, mount pad, ring flange, spacing cavity post and handle, the top surface intermediate position protrusion of valve pipe is provided with the mount pad, and the top surface of mount pad vertically is provided with spacing cavity post to the top surface of spacing cavity post is provided with the handle, and the bottom surface intermediate position of handle vertically is provided with the valve rod simultaneously, and the one end of valve rod runs through the inside of installing at the valve pipe.

Preferably, a flange plate is connected to the middle position of the outer surface of the top end of the mounting seat, a sealing rubber ring is arranged on the outer surface of the top end of the flange plate in a protruding and surrounding mode, the outer surface of the bottom end of one end, close to the mounting seat, of the limiting cavity column is connected with the flange plate, a limiting groove is formed in the outer surface of the bottom end of the flange plate in an embedded mode, and the inner diameter of the opening end of the flange plate, connected with the bottom end of the limiting cavity column, of the flange plate is the same as the inner diameter of the limiting cavity column;

adopt above-mentioned technical scheme to make and to dismantle between spacing cavity post and the valve pipe to it is easy to make whole dismouting.

Preferably, the outer surface of the top end of the sealing rubber ring is attached to the inner wall of the limiting groove, the flange plate is fixedly connected with the flange plate in a penetrating manner through a bolt, a nut groove is arranged between the middle position inside the mounting seat and the inside of the valve pipe in a penetrating manner, and a limiting cavity is arranged at the bottom end of the nut groove in the mounting seat, on the inner wall of the top end of the valve pipe;

adopt above-mentioned technical scheme to make the top surface through sealed rubber ring laminate mutually with the inner wall of spacing groove for installation between ring flange and the ring flange is inseparabler, and the leakproofness is higher.

Preferably, one end of the valve rod penetrates through the nut groove, the outer surface of the valve rod penetrating through the nut groove is provided with a thread groove, the nut groove is meshed with the thread groove, the outer surface of the bottom end of the valve rod is connected with a conical valve core, the side wall of the top end of the valve core is attached to the inner wall of the limiting cavity, the outer surface of the valve core close to the bottom end is attached to the vent hole in the valve pipe, the outer surface of the valve rod close to the top end of the valve core is provided with a sealing ring in a penetrating mode, and the outer diameter of the sealing ring is larger than the outer diameter of the thread groove;

adopt above-mentioned technical scheme to make the sealing washer when the case retracts, can laminate the bottom in nut groove and seal to make holistic leakproofness higher.

Preferably, the outer surface, close to the bottom end, of the valve rod, which is positioned inside the limiting cavity column, is provided with a limiting ring in a penetrating manner, the outer surfaces of two sides of the limiting ring are symmetrically and transversely provided with cavity blocks, the opening end of each cavity block faces to one side far away from the limiting cavity column, the bayonet end of each cavity block is internally provided with a limiting rod in a clamping and telescopic manner, and a compression spring is connected between one end, positioned inside the cavity block, of each limiting rod and the inner wall of one side of each cavity block;

adopt above-mentioned technical scheme to make the gag lever post compress and kick-back in the inside of spacing cavity post.

Preferably, the inner walls of two sides of the limiting cavity column, which are close to the top end and the bottom end, are symmetrically provided with clamping grooves in a penetrating manner, the inner diameter of each clamping groove is larger than the outer diameter of the limiting rod, the outer surface of one side, which is far away from the limiting rod, of each clamping groove is transversely provided with a touch rod, the edge of the outer surface of one end of each touch rod is attached to the inner wall of one end of each clamping groove, a compression spring is connected between the outer surface of one side, which is close to the clamping grooves, of each touch rod and the outer surface of one side of the limiting cavity column, and the compression springs are arranged on the outer surfaces of the touch rods in a penetrating manner;

adopt above-mentioned technical scheme to make and can conflict the inside gag lever post of draw-in groove and make the gag lever post break away from the inside of draw-in groove through pressing the feeler lever.

Compared with the prior art, the beneficial effects of the utility model are that: this oxygenerator with self-locking mechanism advances stop valve for gas vent:

1. the limiting rod is arranged, the compression spring is arranged, when the valve rod rotates, the limiting ring and the cavity block inside the limiting rod are driven to rotate simultaneously, the limiting rod and the inner wall of the limiting cavity column are in a conflict state at the same time, when the limiting rod rotates to reach the bottom end or one side of the top end, one end of the limiting rod can rebound due to the compression spring at the moment, one end of the limiting rod is clamped in the clamping groove, the handle and the valve rod cannot rotate at the moment, self-locking is achieved, the phenomenon that an operator mistakenly opens or closes is prevented, the stability of overall work is protected, the structure is simple, and the use is convenient;

2. the handle and the valve rod are required to rotate, the touch rods on two sides are required to be pressed simultaneously, one end of the touch rod is pressed into the clamping groove, so that the limiting rod in the clamping groove is pushed out, the handle can be rotated to open or close the valve, the touch rods are loosened when the limiting rods are separated from the clamping groove after rotation, the touch rods can be separated from the clamping groove through resilience of the compression spring, and accordingly the clamping of the limiting rods and the clamping groove cannot be influenced next time, the integral operation is more convenient, and the stability is high;

3. be provided with ring flange and sealing rubber ring, through the setting of ring flange to can carry out the dismouting between spacing cavity post and the valve pipe, it is more convenient to make whole later stage maintain, simultaneously through the spacing groove of convex sealing rubber ring and embedded setting, makes ring flange and ring flange leakproofness when installing higher, and overall sealing nature is higher, and the operation is more stable.

Drawings

FIG. 1 is a schematic view of the overall three-dimensional structure of the present invention;

FIG. 2 is a schematic overall front sectional view of the present invention;

FIG. 3 is a schematic view of the three-dimensional structure of the valve rod and valve core of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;

fig. 5 is the structural schematic diagram of the flange plate and the flange plate split structure of the present invention.

In the figure: 1. a valve tube; 2. a mounting seat; 3. a flange plate; 4. a limiting cavity column; 5. a handle; 6. a valve stem; 7. sealing the rubber ring; 8. a limiting groove; 9. a nut groove; 10. a thread groove; 11. a limiting cavity; 12. a seal ring; 13. a valve core; 14. a limiting ring; 15. a cavity block; 16. a limiting rod; 17. a compression spring; 18. a card slot; 19. against the rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a stop valve for oxygenerator air inlet and outlet gas with self-locking mechanism, including valve pipe 1, mount pad 2, the ring flange 3, spacing cavity post 4, handle 5, valve rod 6, sealing rubber ring 7, spacing groove 8, nut groove 9, thread groove 10, spacing chamber 11, sealing washer 12, case 13, spacing ring 14, cavity piece 15, gag lever post 16, compression spring 17, draw-in groove 18 and conflict pole 19, the top surface intermediate position protrusion of valve pipe 1 is provided with mount pad 2, and the top surface of mount pad 2 vertically is provided with spacing cavity post 4 perpendicularly, and the top surface of spacing cavity post 4 is provided with handle 5, the bottom surface intermediate position of handle 5 vertically is provided with valve rod 6 perpendicularly, and the inside at valve pipe 1 is installed in the one end run-through of valve rod 6.

The middle position of the outer surface of the top end of the mounting seat 2 is connected with a flange 3, the outer surface of the top end of the flange 3 is convexly provided with a sealing rubber ring 7 in a surrounding manner, the outer surface of the bottom end of one end, close to the mounting seat 2, of the limiting cavity column 4 is connected with the flange 3, the outer surface of the bottom end of the flange 3 is embedded with a limiting groove 8, and the inner diameter of the opening end of the flange 3, connected with the bottom end of the limiting cavity column 4, is the same as the inner diameter of the limiting cavity column 4; the outer surface of the top end of the sealing rubber ring 7 is attached to the inner wall of the limiting groove 8, the flange plate 3 is fixedly connected with the flange plate 3 in a penetrating way through bolts, a nut groove 9 is arranged between the middle position in the installation seat 2 and the inside of the valve tube 1 in a penetrating way, a limiting cavity 11 is arranged at the bottom end of the nut groove 9 in the installation seat 2 on the inner wall of the top end of the valve tube 1, when the parts in the limiting cavity column 4 are damaged, the whole device does not need to be replaced through the arrangement of the flange plate 3, only the corresponding parts need to be replaced, firstly, the flange plate 3 and the flange plate 3 are separated, meanwhile, the handle 5 and the valve rod 6 are detachably mounted, after the flange plate 3 and the flange plate 3 are separated, the limiting cavity column 4 can be separated integrally, thereby the internal parts can be maintained, and meanwhile, the flange plate 3 and the flange plate 3 can be mounted again after maintenance, meanwhile, the whole sealing performance is higher through the attachment of the limiting groove 8 and the nut groove 9.

One end of the valve rod 6 penetrates through the nut groove 9, the outer surface of the valve rod 6 penetrating through the nut groove 9 is provided with a thread groove 10, the nut groove 9 is meshed with the thread groove 10, the outer surface of the bottom end of the valve rod 6 is connected with a conical valve core 13, the side wall of the top end of the valve core 13 is attached to the inner wall of the limiting cavity 11, the outer surface of the valve core 13 close to the bottom end is attached to an air vent in the valve pipe 1, the outer surface of the valve rod 6 close to the top end of the valve core 13 is provided with a sealing ring 12 in a penetrating mode, and the outer diameter of the sealing ring 12 is larger than the outer diameter of the thread groove 10; the outer surface of the valve rod 6, which is positioned inside the limiting cavity column 4 and is close to the bottom end, is provided with a limiting ring 14 in a penetrating manner, the outer surfaces of two sides of the limiting ring 14 are symmetrically and transversely provided with a cavity block 15, the opening end of the cavity block 15 faces to one side far away from the limiting cavity column 4, the inside of the bayonet end of the cavity block 15 is provided with a limiting rod 16 in a clamping and stretching manner, a compression spring 17 is connected between one end of the limiting rod 16, which is positioned inside the cavity block 15, and the inner wall of one side of the cavity block 15, a compression spring 17 is arranged, when the valve tube 1 is opened or closed, the handle 5 is rotated at the moment, the valve rod 6 is driven to rotate simultaneously through the rotation of the handle 5, the valve rod 6 is driven to descend or ascend through the engagement of the thread groove 10 on the outer surface of the valve rod 6 and the nut groove 9, the valve core 13 is driven to ascend and descend simultaneously, so as to close and open, at the time, one end of the limiting rod 16 is in a state of abutting against the inner wall of the limiting cavity column 4 in the descending or ascending process, with the inside compression spring 17 of space cavity piece 15 for compression state, when rotating the lifting or when descending a certain position, gag lever post 16 when contacting draw-in groove 18 this moment, through compression spring 17's resilience for the inside of draw-in groove 18 is advanced to the one end block of gag lever post 16, thereby makes whole unable rotation, thereby realizes the auto-lock.

The inner walls of two sides of the limiting cavity column 4 close to the top end and the bottom end are symmetrically provided with clamping grooves 18 in a penetrating mode, the inner diameter of each clamping groove 18 is larger than the outer diameter of each limiting rod 16, the outer surface of one side of each clamping groove 18 far away from each limiting rod 16 is transversely provided with a touch rod 19, the edge of the outer surface of one end of each touch rod 19 is attached to the inner wall of one end of each clamping groove 18, a compression spring 17 is connected between the outer surface of one side of each touch rod 19 close to each clamping groove 18 and the outer surface of one side of each limiting cavity column 4, each compression spring 17 penetrates through the outer surface of each touch rod 19, when the rotation needs to be continued, an operator only needs to press the touch rods 19 on two sides into the clamping grooves 18 at the same time, so that the touch rods 19 touch the limiting rods 16 out of the clamping grooves 18, the whole body can continue to rotate, then the touch rods 19 are released to touch, and the touch rods 19 are reset through the resilience of the compression springs 17, the whole operation is simple, and the use is convenient.

The working principle is as follows: when using this oxygenerator that has self-locking mechanism to advance exhaust body and use stop valve, rotating valve rod 6 when opening valve pipe 1 and making case 13 lifting, after case 13 lifting to a certain position, sealing washer 12 and the laminating of the bottom surface of thread groove 10 this moment cooperate spacing chamber 11 and case 13's laminating simultaneously for holistic leakproofness is higher, and is more stable, has increased holistic practicality.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a stop valve for oxygenerator advances exhaust gas with self-locking mechanism, includes valve pipe (1), mount pad (2), ring flange (3), spacing cavity post (4) and handle (5), its characterized in that: the valve is characterized in that a mounting seat (2) is convexly arranged in the middle of the outer surface of the top end of the valve tube (1), a limiting cavity column (4) is vertically and vertically arranged on the outer surface of the top end of the mounting seat (2), a handle (5) is arranged on the outer surface of the top end of the limiting cavity column (4), a valve rod (6) is vertically and vertically arranged in the middle of the outer surface of the bottom end of the handle (5), and one end of the valve rod (6) penetrates through the valve tube (1).

2. The stop valve with the self-locking mechanism for the air inlet and outlet of the oxygen generator as claimed in claim 1, wherein: the mounting base is characterized in that a flange plate (3) is connected to the middle position of the outer surface of the top end of the mounting base (2), a sealing rubber ring (7) is arranged around the outer surface of the top end of the flange plate (3), the limiting cavity column (4) is close to the outer surface of the bottom end of one end of the mounting base (2) and is connected with the flange plate (3), a limiting groove (8) is arranged in an embedded mode on the outer surface of the bottom end of the flange plate (3), and the inner diameter of the opening end of the flange plate (3) connected with the bottom end of the limiting cavity column (4) is the same as the inner diameter of the limiting cavity column (4).

3. The stop valve with the self-locking mechanism for the air inlet and outlet of the oxygen generator as claimed in claim 2, wherein: the outer surface of the top end of the sealing rubber ring (7) is attached to the inner wall of the limiting groove (8), the flange plate (3) and the flange plate (3) are fixedly connected through bolts, a nut groove (9) is arranged between the middle position of the interior of the mounting seat (2) and the interior of the valve pipe (1) in a penetrating mode, and the inner wall of the top end of the valve pipe (1) is located at the bottom end of the nut groove (9) in the mounting seat (2) and is provided with a limiting cavity (11).

4. The stop valve with the self-locking mechanism for the air inlet and outlet of the oxygen generator as claimed in claim 3, wherein: nut groove (9) is run through to the one end of valve rod (6), and valve rod (6) run through the surface in nut groove (9) and be provided with thread groove (10) to interlock between nut groove (9) and thread groove (10), the connection of the bottom surface of valve rod (6) is provided with case (13) of toper form, and the top lateral wall of case (13) laminates with the inner wall in spacing chamber (11) mutually to case (13) are close to the surface of bottom and the laminating of the inside air vent of valve pipe (1), the surface that valve rod (6) are close to case (13) top is run through and is provided with sealing washer (12), and the external diameter of sealing washer (12) is greater than the external diameter of thread groove (10).

5. The stop valve with the self-locking mechanism for the air inlet and outlet of the oxygen generator as claimed in claim 1, wherein: the valve rod (6) is located inside surface that is close to the bottom of spacing cavity post (4) and runs through and is provided with spacing ring (14), and the both sides surface symmetry of spacing ring (14) transversely is provided with cavity piece (15) to the open end orientation of cavity piece (15) is kept away from one side of spacing cavity post (4), the inside block of bayonet socket end of cavity piece (15) is flexible to be provided with gag lever post (16), and gag lever post (16) are located and are connected between the one end of cavity piece (15) inside and one side inner wall of cavity piece (15) and are provided with compression spring (17).

6. The stop valve with the self-locking mechanism for the air inlet and outlet of the oxygen generator as claimed in claim 5, wherein: spacing cavity post (4) are close to on the both sides inner wall of top and bottom equal symmetry run through and are provided with draw-in groove (18), and the inside diameter of draw-in groove (18) is greater than the external diameter of gag lever post (16), one side surface that gag lever post (16) was kept away from in draw-in groove (18) transversely is provided with feeler lever (19), and the one end surface edge of feeler lever (19) laminates with the one end inner wall of draw-in groove (18) mutually, it is provided with compression spring (17) to be connected between one side surface that feeler lever (19) are close to draw-in groove (18) and one side surface of spacing cavity post (4), and compression spring (17) run through the surface that sets up at feeler lever (19).