CN212868597U

CN212868597U - Bidirectional combined low-pressure-difference diaphragm type one-way valve for pressure swing adsorption oxygenerator

Info

Publication number: CN212868597U
Application number: CN202020828620.5U
Authority: CN
Inventors: 幸中文; 周志强
Original assignee: Hangzhou Zhongju Air Separation Equipment Manufacturing Co ltd
Current assignee: Hangzhou Zhongju Air Separation Equipment Manufacturing Co ltd
Priority date: 2020-05-18
Filing date: 2020-05-18
Publication date: 2021-04-02
Anticipated expiration: 2030-05-18

Abstract

The utility model relates to a pressure swing adsorption system oxygen technical field specifically provides a two-way combination formula low pressure difference diaphragm formula check valve for pressure swing adsorption oxygenerator, the front end fixedly connected with second connecting pipe of first fixture block, and the inboard surface embedding in rear end of first fixture block installs the sealing washer, the rear end of first fixture block has cup jointed the second fixture block, and the inside fixed mounting of first fixture block has fixed subassembly, the first connecting pipe of rear end fixedly connected with of second fixture block, and the outside surface of second fixture block has seal assembly through threaded connection. Through being provided with seal assembly, can increase the leakproofness of built-up joint department, seal cover simple structure, the installation is dismantled conveniently, also can protect inner structure when the valve wholly receives the collision, and fixed subassembly can conveniently be changed it alone when inside diaphragm damages to the installation and the dismantlement of diaphragm, practices thrift cost of maintenance.

Description

Bidirectional combined low-pressure-difference diaphragm type one-way valve for pressure swing adsorption oxygenerator

Technical Field

The utility model relates to a pressure swing adsorption system oxygen technical field specifically is a two-way combination formula low pressure difference diaphragm formula check valve for pressure swing adsorption oxygenerator.

Background

Pressure swing adsorption refers to a cycle of separating different adsorbates by changing the thermodynamic parameter of pressure according to different adsorption quantities of different adsorbates on the same adsorbent under different pressures at a certain temperature, and a one-way valve needs to be installed between an adsorption tower and an oxygen storage tank in a pressure swing adsorption oxygen generator to prevent oxygen in the oxygen storage tank from flowing back into the desorption tower when the desorption of the adsorber is in a low-pressure state.

However, the existing diaphragm type one-way valve still has some disadvantages, for example, the existing diaphragm type one-way valve is generally of an integral structure and is difficult to disassemble, the sealing performance of the combined type one-way valve is poor, the diaphragm inside the existing diaphragm type one-way valve is easy to damage, the diaphragm is difficult to disassemble, and the cost for replacing the whole one-way valve is high.

Disclosure of Invention

In order to solve the technical problem, the utility model provides a two-way combination formula low pressure difference diaphragm formula check valve for pressure swing adsorption oxygenerator reaches by following specific technological means:

the utility model provides a two-way combination formula low pressure difference diaphragm formula check valve for pressure swing adsorption oxygenerator, includes first fixture block, the front end fixedly connected with second connecting pipe of first fixture block, and the inboard surface embedding in rear end of first fixture block installs the sealing washer, the front end fixedly connected with second connector of second connecting pipe, the rear end of first fixture block has cup jointed the second fixture block, and the inside fixed mounting of first fixture block has fixed subassembly, the front surface of first fixture block is located the outside position department fixed mounting of second connecting pipe and has first fixing bolt, the rear end fixedly connected with first connecting pipe of second fixture block, and the outside surface of second fixture block has seal assembly through threaded connection, the rear end fixedly connected with first connector of first connecting pipe.

Preferably, the sealing assembly comprises a non-slip mat, a sealing sleeve and connecting threads, the non-slip mat is fixedly mounted on the outer side surface of the sealing sleeve, and the connecting threads are formed in the inner side surface of the sealing sleeve.

As the optimization, fixed subassembly includes second fixing bolt, diaphragm, mounting panel, sealed pad and connecting rod, the outside fixed surface of mounting panel is connected with the connecting rod, and the rear surface of mounting panel is provided with the diaphragm, the rear surface intermediate position department of diaphragm installs sealed the pad, there is the second fixing bolt sealed intermediate position department through threaded connection.

As an optimization, the seal cover is a member made of stainless steel, the seal cover is in threaded connection with the outer side surfaces of the first fixture block and the second fixture block through the connecting threads on the inner side surfaces, the seal cover can protect the inner structure of the valve, and damage is avoided when collision and falling.

As an optimization, the slipmat is the component of rubber material, and the surface of slipmat has seted up anti-skidding line, the slipmat is convenient for the gripping, prevents to take off the hand and drops, makes things convenient for the rotatory seal cover of dismantling simultaneously.

Preferably, the connecting rod is a member made of an aluminum alloy material, and the outer end of the connecting rod is fixedly connected with the inner side surface of the first clamping block.

Preferably, a nut is arranged in the middle of the front surface of the mounting plate, and the second fixing bolt penetrates through the sealing gasket, the diaphragm and the mounting plate and is connected with the nut.

The utility model discloses possess following beneficial effect:

1. the two-way combined low-pressure-difference diaphragm type one-way valve for the pressure swing adsorption oxygenerator is characterized in that a diaphragm and a sealing gasket are arranged at the middle position of an installation plate through a second fixing bolt, a sealing ring is embedded into the inner side surface of the rear end of a first clamping block, a second clamping block is sleeved on the surface of the first clamping block, the second fixture block and the first fixture block are fixed by a first fixing bolt, the sealing sleeve is connected with the outer side surfaces of the first fixture block and the second fixture block by threads through the connecting threads on the inner side surfaces, the joint is sealed, the sealing sleeve is a component made of stainless steel, the structural strength is high, the inner part is protected when the sealing sleeve is collided, the anti-skid pad on the outer surface of the sealing sleeve is convenient to grasp and rotate, and meanwhile, impact and collision are buffered, and when the diaphragm needs to be replaced, the sealing sleeve is sequentially disassembled, the second clamping block and the first clamping block are separated, and the second fixing bolt is loosened to replace the diaphragm.

2. This a two-way combination formula low pressure difference diaphragm formula check valve for pressure swing adsorption oxygenerator through being provided with seal assembly, can increase the leakproofness of built-up connection department, and seal cover simple structure, the installation is dismantled conveniently, also can protect inner structure when the valve wholly receives the collision.

2. This a two-way combination formula low pressure difference diaphragm formula check valve for pressure swing adsorption oxygenerator through being provided with fixed subassembly, can conveniently change it alone when inside diaphragm damages to the installation and the dismantlement of diaphragm, practices thrift cost of maintenance.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged view of a in fig. 1.

Fig. 3 is an enlarged view of B in fig. 1.

Fig. 4 is a cross-sectional view of the securing assembly.

In the figure: 1. a first connection port; 2. a first clamping block; 3. a second connection port; 4. a first connecting pipe; 5. a second fixture block; 6. a seal ring; 7. a seal assembly; 701. a non-slip mat; 702. sealing sleeves; 703. connecting threads; 8. a second connecting pipe; 9. a fixing assembly; 901. a second fixing bolt; 902. a membrane; 903. mounting a plate; 904. a gasket; 905. a connecting rod; 10. a first fixing bolt.

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. 1-4, a two-way combined low-pressure-difference diaphragm type one-way valve for a pressure swing adsorption oxygen generator includes a first fixture block 2, a second connection pipe 8 is fixedly connected to the front end of the first fixture block 2, a sealing ring 6 is embedded into the inner side surface of the rear end of the first fixture block 2, a second connection port 3 is fixedly connected to the front end of the second connection pipe 8, a second fixture block 5 is sleeved on the rear end of the first fixture block 2, a fixing component 9 is fixedly mounted inside the first fixture block 2, a first fixing bolt 10 is fixedly mounted at the outer side position of the first fixture block 2, a first connection pipe 4 is fixedly connected to the rear end of the second fixture block 5, a sealing component 7 is connected to the outer side surface of the second fixture block 5 through a thread, and a first connection port 1 is fixedly connected to the rear end of the first connection pipe 4.

Wherein, the outside surface of second fixture block 5 has seal assembly 7 through threaded connection, seal assembly 7 includes non-slip mat 701, seal cover 702 and connecting thread 703, the outside fixed surface of seal cover 702 installs non-slip mat 701, and the inside surface of seal cover 702 has seted up connecting thread 703, seal cover 702 is the component of stainless steel, and seal cover 702 passes through the connecting thread 703 of inside surface and passes through threaded connection with the outside surface of first fixture block 2 and second fixture block 5, non-slip mat 701 is the component of rubber material, and non-slip thread has been seted up on non-slip mat 701's surface, through being provided with seal assembly 7, can increase the leakproofness of built-up connection department, seal cover 702 simple structure, the installation is dismantled conveniently, also can protect inner structure when the valve wholly receives the collision.

Wherein, the fixed assembly 9 is fixedly arranged in the first fixture block 2, the fixed assembly 9 comprises a second fixed bolt 901, a membrane 902, a mounting plate 903, a sealing gasket 904 and a connecting rod 905, the outer side surface of the mounting plate 903 is fixedly connected with the connecting rod 905, the rear surface of the mounting plate 903 is provided with the membrane 902, the middle position of the rear surface of the membrane 902 is provided with the sealing gasket 904, the middle position of the sealing gasket 904 is connected with the second fixed bolt 901 through threads, the connecting rod 905 is a member made of aluminum alloy, the outer end of the connecting rod 905 is fixedly connected with the inner side surface of the first fixture block 2, the middle position of the front surface of the mounting plate 903 is provided with a nut, the second fixed bolt 901 penetrates through the sealing gasket 904, the membrane 902 and the mounting plate 903 to be connected with the nut, the fixed assembly 9 is arranged, the membrane 902 can be conveniently mounted and dismounted, and can be, and the maintenance cost is saved.

When the anti-skid sealing device is used, firstly, the diaphragm 902 and the sealing gasket 904 are installed at the middle position of the installation plate 903 through the second fixing bolt 901, then the sealing ring 6 is embedded into the inner side surface of the rear end of the first fixture block 2, then the second fixture block 5 is sleeved on the surface of the first fixture block 2, the second fixture block 5 and the first fixture block 2 are fixed through the first fixing bolt 10, finally, the sealing sleeve 702 is in threaded connection with the outer side surfaces of the first fixture block 2 and the second fixture block 5 through the connecting thread 703 of the inner side surface to seal the joint, the sealing sleeve 702 is a stainless steel component, the structural strength is high, the inner part can be protected when collision occurs, the anti-skid gasket 701 on the outer side surface of the sealing sleeve 702 can be conveniently gripped and rotated, impact and collision can be buffered, the sealing assembly 7 is arranged, the sealing performance of the combined joint can be improved, the sealing sleeve 702 is simple, the installation is dismantled conveniently, also can protect inner structure when the valve wholly receives the collision, when needs are changed the diaphragm, can dismantle seal cover 702 in proper order, separates second fixture block 5 and first fixture block 2, loosens second fixing bolt 901 at last and changes the diaphragm, through being provided with fixed subassembly 9, can conveniently be to the installation and the dismantlement of diaphragm 902, can change it alone when inside diaphragm 902 damages, practices thrift cost of maintenance.

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 two-way combination formula low pressure difference diaphragm formula check valve for pressure swing adsorption oxygenerator, includes first fixture block (2), its characterized in that: the utility model discloses a clamping device for the automobile seat, including first fixture block (2), the front end fixedly connected with second connecting pipe (8) of first fixture block (2), and the inboard surface embedding of the rear end of first fixture block (2) installs sealing washer (6), the front end fixedly connected with second connector (3) of second connecting pipe (8), the rear end of first fixture block (2) has cup jointed second fixture block (5), and the inside fixed mounting of first fixture block (2) has fixed subassembly (9), the front surface of first fixture block (2) is located the outside position department fixed mounting of second connecting pipe (8) and has first fixing bolt (10), the rear end fixedly connected with first connecting pipe (4) of second fixture block (5), and the outside surface of second fixture block (5) has sealing assembly (7) through threaded connection, the rear end fixedly connected with first connector (1) of first connecting pipe (4).

2. The two-way combined low-pressure-difference diaphragm type one-way valve for the pressure swing adsorption oxygen generator as claimed in claim 1, wherein: the sealing assembly (7) comprises an anti-skid pad (701), a sealing sleeve (702) and connecting threads (703), the anti-skid pad (701) is fixedly mounted on the outer side surface of the sealing sleeve (702), and the connecting threads (703) are formed in the inner side surface of the sealing sleeve (702).

3. The two-way combined low-pressure-difference diaphragm type one-way valve for the pressure swing adsorption oxygen generator as claimed in claim 1, wherein: fixed subassembly (9) include second fixing bolt (901), diaphragm (902), mounting panel (903), sealed pad (904) and connecting rod (905), the outside fixed surface of mounting panel (903) is connected with connecting rod (905), and the rear surface of mounting panel (903) is provided with diaphragm (902), sealed pad (904) are installed to the rear surface intermediate position department of diaphragm (902), there is second fixing bolt (901) intermediate position department through threaded connection sealed pad (904).

4. The two-way combined low-pressure-difference diaphragm type one-way valve for the pressure swing adsorption oxygen generator as claimed in claim 2, wherein: the sealing sleeve (702) is a component made of stainless steel, and the sealing sleeve (702) is in threaded connection with the outer side surfaces of the first fixture block (2) and the second fixture block (5) through connecting threads (703) on the inner side surfaces.

5. The two-way combined low-pressure-difference diaphragm type one-way valve for the pressure swing adsorption oxygen generator as claimed in claim 2, wherein: the anti-skid pad (701) is a rubber component, and anti-skid lines are formed on the surface of the anti-skid pad (701).

6. The two-way combined low-pressure-difference diaphragm type one-way valve for the pressure swing adsorption oxygen generator as claimed in claim 3, wherein: the connecting rod (905) is a member made of an aluminum alloy material, and the outer end of the connecting rod (905) is fixedly connected with the inner side surface of the first clamping block (2).

7. The two-way combined low-pressure-difference diaphragm type one-way valve for the pressure swing adsorption oxygen generator as claimed in claim 3, wherein: the middle position of the front surface of the mounting plate (903) is provided with a nut, and the second fixing bolt (901) penetrates through the sealing gasket (904), the diaphragm (902) and the mounting plate (903) to be connected with the nut.