CN219742431U

CN219742431U - Pressure limiting valve structure

Info

Publication number: CN219742431U
Application number: CN202321283283.6U
Authority: CN
Inventors: 董西志; 董伯琦
Original assignee: Yuhuan Quanli Machinery Co ltd
Current assignee: Yuhuan Quanli Machinery Co ltd
Priority date: 2023-05-25
Filing date: 2023-05-25
Publication date: 2023-09-26
Anticipated expiration: 2033-05-25

Abstract

The utility model discloses a pressure limiting valve structure, which relates to the technical field of cooking appliances and has the technical scheme that: including valve body, valve cap, inner core and connecting piece, the outside of inner core is located to valve body and valve cap all cover, and the inner core supports the valve body, and the valve cap passes through the connecting piece with the inner core and is connected, and the valve cap cooperation the inner core is spacing to the valve body, and the tip of connecting piece is provided with the end cap, and this pressure limiting valve structure dismouting easy operation, easy dismounting and maintenance.

Description

Pressure limiting valve structure

Technical Field

The utility model relates to the technical field of cooking appliances, in particular to a pressure limiting valve structure.

Background

The pressure cooker is also called a pressure cooker, the cooking time can be greatly shortened, the energy is saved, the principle of the pressure cooker is that the pressure cooker is influenced by air pressure according to the boiling point of water, the higher the air pressure is, the higher the boiling point is, the pressure cooker is in a high-temperature and high-pressure environment, food is easy to cook, and of course, the pressure in the pressure cooker needs to be regulated by using a pressure limiting valve, and explosion is easy to occur, so that safety accidents are caused.

The Chinese patent with the bulletin number of CN205433321U discloses a pressure limiting valve of a pressure cooker, which comprises a valve body, wherein a hollow cavity with an open lower end is formed in the valve body, a silica gel sleeve with an open lower end is arranged in the hollow cavity, a blocking rib is arranged on the inner wall of the lower part of the valve body and used for preventing the silica gel sleeve from falling off, a clamping piece is formed on the inner wall of the lower part of the silica gel sleeve, and a sealing needle is formed on the inner wall of the top of the silica gel sleeve.

The technical scheme has the following defects: when the pressure limiting valve is assembled, the metal ring is clamped between the shell and the fixed ring, and after the metal ring is put into the die for molding, the silica gel sleeve is mounted into the valve body, so that the integral structure is complex, and the disassembly and the maintenance are not facilitated.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model aims to provide a pressure limiting valve structure which has the advantage of convenient disassembly and maintenance.

The technical aim of the utility model is realized by the following technical scheme: the utility model provides a pressure limiting valve structure, includes valve body, valve cap, inner core and connecting piece, the valve body with the valve cap is all overlapped and is located the outside of inner core, just the inner core supports the valve body, the valve cap with the inner core passes through the connecting piece is connected, the valve cap cooperation the inner core is right the valve body is spacing, the tip of connecting piece is provided with the end cap.

Preferably, the end part of the connecting piece penetrates through the inner core to be in threaded connection with the valve cap, and the end part of the plug is abutted against the inner wall of the inner core.

Preferably, the outer side wall of the inner core is provided with a supporting flange, the end part of the valve body is abutted against the upper end face of the supporting flange, a first limiting block is arranged on the supporting flange, a first limiting groove is formed in the valve body, and the first limiting block is inserted into the first limiting groove.

Preferably, the inner core is made of high-temperature-resistant plastic.

Preferably, the valve cap comprises a top cover and a cap, the end part of the top cover is provided with a connecting part, the end part of the cap is provided with a connecting hole, the connecting part is inserted into the connecting hole, the lower end face of the top cover is abutted against the upper end of the cap face, and the lower end face of the cap is abutted against the upper end of the valve body face.

Preferably, the top cover is provided with a threaded hole, and the end part of the connecting piece is connected with the threaded hole in a threaded mode.

Preferably, the top cover is provided with a limiting protrusion, the cap is provided with a limiting groove II, and the limiting protrusion is inserted into the limiting groove II.

Preferably, a second limiting block is arranged on the inner wall of the cap, a communication groove is formed in the inner core, and the second limiting block is inserted into the communication groove.

Preferably, the cap is provided with an exhaust hole, and the communication groove is communicated with the exhaust hole.

Preferably, a snap spring is arranged in the inner core.

In summary, compared with the prior art, the utility model has the following beneficial effects:

1. when the valve is assembled, the valve body and the valve cap are sleeved on the outer side of the inner core in sequence, the valve body is supported by the supporting flange on the inner core, the valve cap limits the valve body, the end part of the connecting piece penetrates through the inner core to be in threaded connection with the valve cap, namely, the valve body, the valve cap and the inner core are relatively fixed, the operation is simple, the assembly is convenient, when the valve is disassembled, the threaded connection of the connecting piece and the valve cap is released, the connecting piece is taken down, the valve body, the valve cap and the inner core can be disassembled, the operation is simple, the disassembly is convenient, and the disassembly and the maintenance are facilitated;

2. the inner core is made of high-temperature-resistant plastic, so that the inner core is prevented from rusting.

Drawings

FIG. 1 is a schematic diagram of a first embodiment;

FIG. 2 is a cross-sectional view of the first embodiment;

FIG. 3 is an exploded view of the first embodiment;

FIG. 4 is a schematic view of a top cover of an embodiment;

FIG. 5 is a schematic view of a cap according to an embodiment;

FIG. 6 is a schematic view of another angle structure of a cap according to an embodiment;

FIG. 7 is a schematic view of the structure of an inner core according to an embodiment;

FIG. 8 is a schematic view of a valve body according to an embodiment;

fig. 9 is a cross-sectional view of the second embodiment.

Reference numerals: 1. a valve body; 2. a valve cap; 21. a top cover; 22. capping; 3. an inner core; 4. a connecting piece; 5. an exhaust pipe; 6. a plug; 7. a support flange; 8. a first limiting block; 9. a first limit groove; 10. a connection part; 11. a connection hole; 12. a threaded hole; 13. a limit protrusion; 14. a limiting groove II; 15. a second limiting block; 16. a communication groove; 17. an exhaust hole; 18. and (5) clamping springs.

Detailed Description

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

The present utility model will be described in further detail with reference to the accompanying drawings.

Embodiment one:

the pressure limiting valve structure comprises a valve body 1, a valve cap 2, an inner core 3 and a connecting piece 4 as shown in figures 1 to 8.

The inner core 3 is made of high temperature resistant plastic, preferably, the inner core 3 is made of nylon, and compared with the inner core 3 made of metal, the inner core 3 made of nylon can effectively avoid the condition that the inner core 3 rusts.

The outside of inner core 3 is located to valve body 1 cover, and inner core 3 supports valve body 1, and specifically, the lateral wall of inner core 3 has support flange 7, and preferably, support flange 7 sets up along the circumference of inner core 3, and support flange 7 and the integrative setting of inner core 3, and the lower terminal surface of valve body 1 is contradicted in the up end of support flange 7 to this supports valve body 1, guarantees that the axial position of valve body 1 is stable.

The up end of support flange 7 is provided with stopper one 8, support flange 7 and the integrative setting of stopper one 8, limit groove one 9 has been seted up to the tip of valve body 1, stopper one 8 is corresponding with limit groove one 9, stopper one 8 inserts in the limit groove one 9, with this is spacing to valve body 1 circumference, guarantee the circumference position of valve body 1 stable, prevent that valve body 1 from rotating along circumference, make the maintenance of inner core 3 and valve body 1 relatively stable, thereby improve overall structure's stability, and the relative position relation of assembler's accessible stopper one 8 and limit groove one 9 judges and assembles valve body 1 and inner core 3, make the equipment more convenient, high-efficient.

The outside of inner core 3 is all located to the equal cover of valve cap 2, and preferably, valve cap 2 includes top cap 21 and block 22, and the lower terminal surface of top cap 21 is inconsistent with the up end of block 22, and the tip of top cap 21 has connecting portion 10, and top cap 21 and connecting portion 10 an organic whole set up, and connecting hole 11 has been seted up to the tip of block 22, and connecting portion 10 is corresponding with connecting hole 11, and connecting portion 10 inserts in connecting hole 11 to this guarantees the relative stability of top cap 21 and block 22, thereby improves overall structure stability.

Be provided with spacing protruding 13 on the top cap 21, preferably, spacing protruding 13 has a plurality of and distributes along top cap 21 circumference, a plurality of spacing protruding 13 and the integrative setting of top cap 21, be provided with spacing groove two 14 on the block 22, preferably, spacing groove two 14 has a plurality of and distributes along the block 22 circumference, a plurality of spacing protruding 13 is corresponding with a plurality of spacing groove two 14, a plurality of spacing protruding 13 inserts respectively in a plurality of spacing groove two 14, cooperation through spacing protruding 13 and spacing groove two 14 is spacing top cap 21 and block 22 circumference, guarantee the relative stability of top cap 21 and block 22, thereby improve overall structure stability, and the relative position relation of assembly personnel accessible spacing protruding 13 and spacing groove two 14 judges and assembles top cap 21 and block 22, make the equipment more convenient, high-efficient.

The inner wall of block 22 is provided with stopper two 15, and preferably, stopper two 15 has a plurality of and distributes along the circumference of block 22, has seted up intercommunication groove 16 on the inner core 3, and preferably, intercommunication groove 16 has a plurality of and distributes along the circumference of inner core 3, and in a plurality of intercommunication groove 16 was inserted respectively to a plurality of stopper two 15, through the cooperation of stopper two 15 and intercommunication groove 16 to top cap 21 and block 22 circumference spacing, guaranteed the relative stability of block 22 and inner core 3 to improve overall structural stability, and the assembler accessible stopper two 15 and the relative positional relationship of intercommunication groove 16 judge and assemble block 22 and inner core 3, make the equipment more convenient, high-efficient.

The first limiting block 8 is inserted into the first limiting groove 9, the plurality of limiting protrusions 13 are respectively inserted into the second limiting grooves 14, and the plurality of limiting blocks 15 are respectively inserted into the plurality of communicating grooves 16, so that the assembly is integrated, and the situation that all parts rotate relatively when the novel anti-rotation device is used is prevented.

The valve cap 2 cooperates the inner core 3 to limit the valve body 1, and specifically, the lower end face of the cap 22 is inconsistent with the upper end face of the valve body 1, and the lower end face of the valve body 1 is inconsistent with the upper end face of the support flange 7, so that the axial limit of the valve body 1 is realized, the axial position of the valve body 1 on the inner core 3 is ensured to be stable, and the valve body 1 and the cap 22 are also kept relatively stable.

The valve cap 2 is connected with the inner core 3 through the connecting piece 4, specifically, the upper end tip of connecting piece 4 passes inner core 3 and valve cap 2 threaded connection, has offered screw hole 12 on the top cap 21, and screw hole 12 is offered on connecting portion 10, and the upper end tip threaded connection of connecting piece 4 is in screw hole 12, and the lower extreme tip of connecting piece 4 is provided with end cap 6, and the tip of end cap 6 supports tightly in the inner wall of inner core 3 to this realizes that the connection of top cap 21, connecting piece 4 and inner core 3 is fixed.

It should be noted that, through passing the upper end tip of connecting piece 4 in inner core 3 and threaded connection in screw hole 12 on top cap 21, the tip of end cap 6 supports tightly in the inner wall of inner core 3, and the lower extreme of top cap 21 is inconsistent with the upper end of block 22, and the lower extreme of block 22 is inconsistent with the upper end of valve body 1, and the lower extreme tip of valve body 1 is inconsistent in the up end of support flange 7 to this realizes the relative fixed of inner core 3, connecting piece 4, top cap 21, block 22 and valve body 1.

It should be noted that, end cap 6 is used for shutoff blast pipe 5's gas outlet, and the lower extreme of blast pipe 5 is fixed on the pot cover generally, and the upper end of blast pipe 5 can stretch into inner core 3, and preferably, connecting piece 4 and end cap 6 are integrative to be set up, and convenient production is made, along with the increase of using duration, when end cap 6 appears wearing and tearing, the user only need to remove connecting piece 4 and the threaded connection of valve cap 2, can replace connecting piece 4 and end cap 6, easy operation, convenience of customers uses.

The air outlet of intercommunication groove 16 and blast pipe 5 is linked together, the exhaust hole 17 has been seted up on the block 22, and preferably, exhaust hole 17 has a plurality of and distributes in the lateral wall of block 22 along circumference, and intercommunication groove 16 is linked together with exhaust hole 17, and it is to be noted that, promptly under the gas pressure, the gas outlet of blast pipe 5 is kept away from to end cap 6 for the gas outlet of blast pipe 5 can't be shutoff to end cap 6, and the gas flows from the gas outlet of blast pipe 5 this moment, then flows through intercommunication groove 16 and exhaust hole 17 in proper order, adopts nylon to make inner core 3 can effectively avoid the intercommunication groove 16 of inner core 3 to appear rusty condition, conveniently washes.

The clamp spring 18 is arranged in the inner core 3, and the clamp spring 18 is used for limiting the exhaust pipe 5 and preventing the exhaust pipe 5 from being separated from the inner core 3 due to upward movement of the inner core 3 under the action of gas pressure.

A disassembly and assembly mode of a pressure limiting valve structure comprises the following steps:

when the assembly is carried out, firstly, the valve body 1 is sleeved on the outer side of the inner core 3, the first limiting block 8 is inserted into the first limiting groove 9 until the lower end face of the valve body 1 abuts against the upper end face of the supporting flange 7, then the cover cap 22 is sleeved on the outer side of the inner core 3, the second limiting block 15 is inserted into the communicating groove 16 until the lower end face of the cover cap 22 abuts against the upper end face of the valve body 1, then the connecting part 10 of the cover cap 21 is inserted into the connecting hole 11 of the cover cap 22, the limiting bulge 13 is inserted into the second limiting groove 14 until the lower end face of the cover cap 21 abuts against the upper end face of the cover cap 22, finally, the upper end part of the connecting piece 4 penetrates through the inner core 3 and is in threaded connection with the threaded hole 12 on the cover cap 21 until the end part of the cover cap 6 abuts against the inner wall of the inner core 3, and the assembly is completed at the moment;

when the valve body is detached, the threaded connection between the connecting piece 4 and the threaded hole 12 is firstly released by external force, the connecting piece 4 is removed, and then the top cover 21, the cap 22 and the valve body 1 are sequentially removed by external force, so that the detachment is completed.

Embodiment two:

the difference between the second embodiment and the first embodiment is that, as shown in fig. 9, the top cover 21 and the cap 22 are integrally arranged, that is, the valve cap 2 is integrally formed, so that the production and the manufacturing are convenient, and the disassembly and assembly are more convenient.

The foregoing is merely exemplary embodiments of the present utility model and is not intended to limit the scope of the utility model, which is defined by the appended claims.

Claims

1. A pressure limiting valve structure, characterized in that: including valve body (1), valve cap (2), inner core (3) and connecting piece (4), valve body (1) and valve cap (2) all overlap and locate the outside of inner core (3), just inner core (3) support valve body (1), valve cap (2) with inner core (3) are passed through connecting piece (4) are connected, valve cap (2) cooperation inner core (3) are right valve body (1) is spacing, the tip of connecting piece (4) is provided with end cap (6).

2. A pressure limiting valve structure as defined in claim 1, wherein: the end part of the connecting piece (4) penetrates through the inner core (3) to be in threaded connection with the valve cap (2), and the end part of the plug (6) is abutted against the inner wall of the inner core (3).

3. A pressure limiting valve structure as defined in claim 1, wherein: the outer side wall of the inner core (3) is provided with a supporting flange (7), the end part of the valve body (1) is abutted against the upper end face of the supporting flange (7), a first limiting block (8) is arranged on the supporting flange (7), a first limiting groove (9) is formed in the valve body (1), and the first limiting block (8) is inserted into the first limiting groove (9).

4. A pressure limiting valve structure as defined in claim 1, wherein: the inner core (3) is made of high-temperature-resistant plastic.

5. A pressure limiting valve structure as defined in claim 1, wherein: the valve cap (2) comprises a top cover (21) and a cap (22), wherein the end part of the top cover (21) is provided with a connecting part (10), the end part of the cap (22) is provided with a connecting hole (11), the connecting part (10) is inserted into the connecting hole (11), the lower end surface of the top cover (21) is in conflict with the upper end surface of the cap (22), and the lower end surface of the cap (22) is in conflict with the upper end surface of the valve body (1).

6. A pressure limiting valve structure as defined in claim 5, wherein: the top cover (21) is provided with a threaded hole (12), and the end part of the connecting piece (4) is connected with the threaded hole (12) in a threaded mode.

7. A pressure limiting valve structure as defined in claim 5, wherein: the top cover (21) is provided with a limiting protrusion (13), the cap (22) is provided with a limiting groove II (14), and the limiting protrusion (13) is inserted into the limiting groove II (14).

8. A pressure limiting valve structure as defined in claim 5, wherein: the inner wall of the cap (22) is provided with a second limiting block (15), the inner core (3) is provided with a communication groove (16), and the second limiting block (15) is inserted into the communication groove (16).

9. A pressure limiting valve structure as defined in claim 8, wherein: the cap (22) is provided with an exhaust hole (17), and the communication groove (16) is communicated with the exhaust hole (17).

10. A pressure limiting valve structure as defined in claim 1, wherein: and a clamp spring (18) is arranged in the inner core (3).