CN214534657U

CN214534657U - Filling is with preventing leaking check valve based on compressed oxygen

Info

Publication number: CN214534657U
Application number: CN202120553660.8U
Authority: CN
Inventors: 冯云飞; 王宏佳; 孟小辉; 辛明户; 姬宪彪; 刘冉
Original assignee: Kaifeng Shaangu Gas Co ltd; Shaanxi Qinfeng Gas Co ltd
Current assignee: Kaifeng Shaangu Gas Co ltd; Shaanxi Qinfeng Gas Co ltd
Priority date: 2021-03-18
Filing date: 2021-03-18
Publication date: 2021-10-29
Anticipated expiration: 2031-03-18

Abstract

The utility model relates to the technical field of valves, in particular to a leakage-proof check valve for filling based on compressed oxygen, which comprises a main body, a cutting sleeve, a top box and a plastic rod, wherein the lower end of the top box is fixedly connected with the middle part of the upper end of the main body, the inner wall of the cutting sleeve is fixedly connected with the left side of the main body, a stop block is arranged inside the main body, a working spring is arranged between the inner wall of the right side of the main body and the stop block, the right end of the stop block is fixedly connected with the left end of the working spring, the right end of the working spring is fixedly connected with the inner wall of the upper end of the main body, the stop block is slidably connected with the inner wall of the upper end of the main body, a clamping plate is arranged at the upper end of the stop block, a lead screw is arranged inside the top box, the utility model can effectively prevent the reverse flow of compressed air through the arranged stop block and the working spring, simultaneously, the plastic rod can actively control the switch of the check valve, and the arranged short plate can make the disassembly and installation operation of the check valve more convenient, the operation is simple and practical.

Description

Filling is with preventing leaking check valve based on compressed oxygen

Technical Field

The utility model relates to the technical field of valves, specifically be a filling is with preventing leaking check valve based on compressed oxygen.

Background

The check valve is commonly called as a check valve, the check valve is also called as a check valve or a check valve and is used for preventing reverse flow of oil flow in a hydraulic system or preventing reverse flow of compressed air in a pneumatic system, the check valve has a straight-through type and a right-angle type, the straight-through type check valve is installed on a pipeline in a threaded connection mode, the right-angle type check valve has three modes of threaded connection, plate connection and flange connection, when the check valve is installed, the flow direction of the medium is particularly noticed, the normal flow direction of the medium is consistent with the arrow direction indicated on a valve body, otherwise the normal flow of the medium is cut off, the bottom valve is installed at the bottom end of a water suction pipeline of a water pump, when the check valve is closed, water hammer pressure can be generated in the pipeline, the valve, the pipeline or equipment can be seriously damaged, particularly for a large-opening pipeline or a high-pressure pipeline, therefore, it should be noted that the check valve is only a one-way valve for preventing the fluid medium on various pipelines or devices from flowing backwards, and the check valve is divided into a water-way check valve and a gas-way check valve according to the type of the medium to be controlled, and in short, the check valve is an important pipeline transmission control mechanism.

The application of gas circuit check valve is also very extensive in the production life, but most gas circuit check valves simple structure function limitation, only can adjust control flap's switch passively, can not be according to actual conditions initiative control flap's switch operation, it still has a great deal of disadvantages to use, the connection mounting means of most check valves still adopts the screw thread formula to connect simultaneously, not only the installation is dismantled and is taken trouble slowly, and the screw thread can be corroded by wearing and tearing along with the extension of live time, traditional check valve installation is inconvenient, lead to later maintenance work efficiency low, consequently, need improve current check valve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a filling is with preventing leaking check valve based on compressed oxygen to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a leakage-proof one-way valve for filling based on compressed oxygen comprises a main body, a cutting sleeve, a top box and a plastic rod, wherein the lower end of the top box is fixedly connected with the middle part of the upper end of the main body, the inner wall of the cutting sleeve is fixedly connected with the left side of the main body, a stop block is arranged inside the main body, a working spring is arranged between the inner wall of the right side of the main body and the stop block, the right end of the stop block is fixedly connected with the left end of the working spring, the right end of the working spring is fixedly connected with the inner wall of the upper end of the main body, the stop block is slidably connected with the inner wall of the upper end of the main body, a clamping plate is arranged at the upper end of the stop block, a lead screw is arranged inside the top box, the left side of the top box is provided with the plastic rod, the left end of the lead screw penetrates through the wall of the left side of the top box and is fixedly connected with the right end of the plastic rod, a square block is arranged at the upper end of the cutting sleeve, a short plate is arranged at the upper end of the cutting sleeve, the cutting ferrule is internally provided with a gear, the lower end of the short plate is fixedly connected with the upper end of the gear, the middle of the gear is rotatably connected with the inner wall of the upper end of the cutting ferrule through a shaft, the lower end of the gear is provided with a rack, the gear is meshed with the rack and connected, the lower end of the rack is provided with a sliding block, a locking spring is arranged between the inner wall of the cutting ferrule and the sliding block, the left side of the main body is provided with an inserted rod, and the lower end of the sliding block is fixedly connected with the inserted rod.

Preferably, a rectangular empty groove is formed in the middle of the upper end of the main body, and the clamping plate is connected with the inner wall of the upper end of the main body in a sliding mode through the rectangular empty groove.

Preferably, the square block is connected with a lead screw in a rolling manner through a ball, and the right end of the lead screw is connected with the inner wall of the right end of the top box in a rotating manner.

Preferably, a circular slotted hole is formed in the left side of the main body, the inserted bar is in sliding connection with the inner wall of the left side of the main body through the circular slotted hole, and the inserted bar is fixedly connected with the sliding block.

Preferably, the number of the racks is two, and the two racks are respectively and symmetrically arranged at the front end and the rear end inside the clamping sleeve.

Preferably, the number of the inserted bars is two, and the two inserted bars are respectively and symmetrically arranged at the front end and the rear end of the left side of the main body.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, can control compressed air through the dog that sets up and working spring and carry out one-way transmission in the main part, effectively prevent compressed air reverse flow, simultaneously through rotating the plastic pole alright with drive the cardboard through lead screw and square and promote dog horizontal migration to the switch of control check valve that can take the initiative, easy operation is very practical.

2. The utility model discloses in, can make the dismantlement installation operation of check valve become simple and easy more swift through the cutting ferrule that sets up, only need control the short slab just can drive the slider removal under the transmission of gear and rack, and the removal that the inserted bar just can be controlled to reunion locking spring to can be very convenient dismantle or connect the installation to the check valve, can improve and overhaul maintenance efficiency, it is very convenient to operate laborsaving.

Drawings

FIG. 1 is a front view of the overall structure of the present invention;

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

fig. 3 is a side view of the cartridge of fig. 1 according to the present invention.

In the figure: 1-main part, 2-cutting sleeve, 3-top box, 4-stop block, 5-working spring, 6-square block, 7-lead screw, 8-plastic rod, 9-short plate, 10-gear, 11-rack, 12-locking spring, 13-inserted rod, 14-slide block and 15-clamping plate.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution:

a leak-proof check valve for filling based on compressed oxygen comprises a main body 1, a cutting sleeve 2, a top box 3 and plastic rods 8, wherein the lower end of the top box 3 is fixedly connected with the middle part of the upper end of the main body 1, the inner wall of the cutting sleeve 2 is fixedly connected with the left side of the main body 1, a stop block 4 is arranged inside the main body 1, a working spring 5 is arranged between the inner wall of the right side of the main body 1 and the stop block 4, the right end of the stop block 4 is fixedly connected with the left end of the working spring 5, the right end of the working spring 5 is fixedly connected with the inner wall of the upper end of the main body 1, the stop block 4 is slidably connected with the inner wall of the upper end of the main body 1, a clamping plate 15 is arranged at the upper end of the stop block 4, a lead screw 7 is arranged inside the top box 3, the plastic rods 8 are arranged at the left side of the top box 3, the left end of the lead screw 7 penetrates through the left side wall of the top box 3 and is fixedly connected with the right end of the plastic rods 8, a square 6 is arranged at the middle part of the lead screw 7, the upper end of the clamping plate 15 is fixedly connected with the lower end of the square 6, a short plate 9 is arranged at the upper end of the cutting sleeve 2, the cutting ferrule 2 is internally provided with a gear 10, the lower end of the short plate 9 is fixedly connected with the upper end of the gear 10, the middle part of the gear 10 is rotatably connected with the inner wall of the upper end of the cutting ferrule 2 through a shaft, the lower end of the gear 10 is provided with a rack 11, the gear 10 is meshed with the rack 11, the lower end of the rack 11 is provided with a sliding block 14, a locking spring 12 is arranged between the inner wall of the cutting ferrule 2 and the sliding block 14, the left side of the main body 1 is provided with an inserted rod 13, and the lower end of the sliding block 14 is fixedly connected with the inserted rod 13.

The middle part of the upper end of the main body 1 is provided with a rectangular empty groove, a clamping plate 15 is in sliding connection with the inner wall of the upper end of the main body 1 through the rectangular empty groove, the clamping plate 15 is convenient to drive a stop block 4 to slide, the inner part of a square block 6 is in rolling connection with a screw 7 through a ball, the right end of the screw 7 is in rotating connection with the inner wall of the right end of a top box 3, the square block 6 is convenient to slide through the screw 7, the left side of the main body 1 is provided with a circular groove hole, an inserted bar 13 is in sliding connection with the inner wall of the left side of the main body 1 through the circular groove hole, the inserted bar 13 is fixedly connected with a sliding block 14, the inserted bar 13 is convenient to slide, the number of racks 11 is two, the two racks 11 are respectively and symmetrically arranged at the front and back two ends inside the cutting sleeve 2, the sliding blocks 14 at the left and right ends are convenient to simultaneously drive the horizontal sliding, the number of the inserted bars 13 is two, and the two inserted bars 13 are respectively and symmetrically arranged at the front and back two ends of the left side of the main body 1, the control main body 1 and the connecting pipeline are convenient to disassemble and assemble.

The working process is as follows: when compressed air enters the main body 1 from the connecting pipeline, the stop block 4 slides rightwards under the extrusion action of the compressed air, the working spring 5 is compressed in the process that the stop block 4 slides rightwards, when the compressed air is completely input, the pressure of the compressed air on the stop block 4 is reduced, then the stop block 4 can slide reversely under the action of the working spring 5, the stop block 4 slides leftwards and returns to the original position to close the internal passage of the main body 1 again, when the one-way valve needs to be manually and actively opened, only the plastic rod 8 needs to be held to rotate, the plastic rod 8 drives the screw rod 7 to rotate, the screw rod rotates to drive the block 6 to slide rightwards, the block 6 drives the clamping plate 15 to slide rightwards, the clamping plate 15 pushes the stop block 4 to slide rightwards, the working spring 5 is compressed in the process that the stop block 4 slides rightwards, when the left end of the stop block 4 leaves the inner wall of the middle part of the main body 1, the internal passage of the main body 1 is manually and actively opened, then the plastic rod 8 is held to rotate reversely, the plastic rod 8 drives the screw rod 7 to rotate reversely, the screw rod rotates to drive the block 6 to slide leftwards, the block 6 drives the clamping plate 15 to slide leftwards, the stop block 4 moves leftwards under the action of the working spring 5 to close the internal channel of the main body 1 again, when the check valve needs to be disassembled, only the short plates 9 at the front end and the rear end need to be held simultaneously, the short plates 9 drive the gears 10 at the front end and the rear end to rotate simultaneously, the gears 10 at the front end and the rear end drive the racks 11 at the front end and the rear end to slide simultaneously, the racks 11 at the front end and the rear end drive the sliders 14 at the front end and the rear end to move simultaneously, the locking springs 12 are compressed during the movement of the sliders 14 at the front end and the rear end, the inserting rods 13 at the front end and the rear end are driven to move simultaneously, the inserting rods 13 at the front end and the rear end are retracted into the inner wall of the main body 1, at this time, the main body 1 can be separated from the connecting pipeline, when the main body 1 needs to be reinstalled, the connecting pipeline only needs to be reinserted into the inner wall of the left end of the main body 1, then the short plates 9 at the front end and the rear end are loosened, the sliding blocks 14 at the front end and the rear end can push the insertion rods 13 at the front end and the rear end to reversely slide under the action of the locking springs 12, the insertion rods 13 at the front end and the rear end are reinserted into the slotted holes in the inner wall of the left end of the main body 1 and the outer wall of the connecting pipeline, at the moment, the main body 1 is reinstalled, and the operation is simple and practical.

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 for filling with preventing leaking check valve based on compressed oxygen, includes main part (1), cutting ferrule (2), top case (3) and plastic pole (8), its characterized in that: the lower end of the top box (3) is fixedly connected with the middle part of the upper end of the main body (1), the inner wall of the clamping sleeve (2) is fixedly connected with the left side of the main body (1), a stop block (4) is arranged inside the main body (1), a working spring (5) is arranged between the inner wall of the right side of the main body (1) and the stop block (4), the right end of the stop block (4) is fixedly connected with the left end of the working spring (5), the right end of the working spring (5) is fixedly connected with the inner wall of the upper end of the main body (1), the stop block (4) is slidably connected with the inner wall of the upper end of the main body (1), a clamping plate (15) is arranged at the upper end of the stop block (4), a lead screw (7) is arranged inside the top box (3), a rod (8) is arranged at the left side of the top box (3), the left end of the lead screw (7) penetrates through the left side box wall of the top box (3) to be fixedly connected with the right end of the plastic rod (8), a square block (6) is arranged at the middle part of the lead screw (7), cardboard (15) upper end and square (6) lower extreme fixed connection, cutting ferrule (2) upper end is provided with short slab (9), cutting ferrule (2) inside is provided with gear (10), short slab (9) lower extreme and gear (10) upper end fixed connection, gear (10) middle part is connected through axle and cutting ferrule (2) upper end inner wall rotation, gear (10) lower extreme is provided with rack (11), gear (10) are connected with rack (11) meshing, rack (11) lower extreme is provided with slider (14), be provided with locking spring (12) between cutting ferrule (2) inner wall and slider (14), main part (1) left side is provided with inserted bar (13), slider (14) lower extreme and inserted bar (13) fixed connection.

2. A leak-proof check valve for filling based on compressed oxygen as claimed in claim 1, characterized in that: a rectangular empty groove is formed in the middle of the upper end of the main body (1), and the clamping plate (15) is connected with the inner wall of the upper end of the main body (1) in a sliding mode through the rectangular empty groove.

3. A leak-proof check valve for filling based on compressed oxygen as claimed in claim 1, characterized in that: the square block (6) is connected with a lead screw (7) in a rolling manner through a ball, and the right end of the lead screw (7) is rotatably connected with the inner wall of the right end of the top box (3).

4. A leak-proof check valve for filling based on compressed oxygen as claimed in claim 1, characterized in that: the novel multifunctional electric water heater is characterized in that a circular groove hole is formed in the left side of the main body (1), the inserted bar (13) is in sliding connection with the inner wall of the left side of the main body (1) through the circular groove hole, and the inserted bar (13) is fixedly connected with the sliding block (14).

5. A leak-proof check valve for filling based on compressed oxygen as claimed in claim 1, characterized in that: the number of the racks (11) is two, and the racks (11) are symmetrically arranged at the front end and the rear end inside the clamping sleeve (2) respectively.

6. A leak-proof check valve for filling based on compressed oxygen as claimed in claim 1, characterized in that: the number of the inserted rods (13) is two, and the two inserted rods (13) are symmetrically arranged at the positions of the front end and the rear end of the left side of the main body (1) respectively.