CN219734337U - Self-sealing type inflation valve - Google Patents

Abstract

The utility model belongs to the technical field of inflation valves, and discloses a self-sealing inflation valve which comprises a main pipeline, wherein an inserting pipeline is arranged at the top end of the main pipeline, a threaded pipe is arranged at the bottom end of the main pipeline, a nut is movably sleeved on the outer wall of the threaded pipe, two fixing plates are movably connected to the outer wall of the inserting pipeline, inserting screws are arranged on one sides of the two fixing plates far away from the inserting pipeline and penetrate through the fixing plates and are connected with the inserting pipeline, a limit baffle is arranged at the bottom end of the inner wall of the inserting pipeline, a sealing rubber ring is arranged at the bottom end of the inserting pipeline, and a piston is arranged under the limit baffle.

Description

Self-sealing type inflation valve

Technical Field

The utility model relates to the technical field of inflation valves, in particular to a self-sealing inflation valve.

Background

The self-sealing type inflation valve is used as a valve body with a self-sealing function, and is mainly used for transferring gas stored in one tank body to a tool in the other tank body, so that potential safety hazards in the process of transferring the gas are reduced.

Some existing self-sealing type inflation valves are provided with pistons in valve bodies, the effect of self-sealing is achieved by controlling the pistons to move inside the valve bodies, and in the long-time use process, the pistons which are inconvenient to disassemble and abrade inside the valve bodies are replaced due to the fact that the whole structure of the valve bodies is fixed, so that the self-sealing effect of the inflation valves is easily deteriorated, the air leakage condition occurs, and the self-sealing type inflation valve is to be improved.

In order to solve the problems, the utility model provides a self-sealing type inflation valve.

Disclosure of Invention

The utility model provides a self-sealing type inflation valve which adopts the following technical scheme:

the utility model provides a self-sealing type inflation valve, includes the trunk line, the top of trunk line is equipped with grafting pipeline, be equipped with link gear in the grafting pipeline, be equipped with self-sealing mechanism in the trunk line, the bottom of trunk line is equipped with the screwed pipe, the nut has been cup jointed in the activity on the outer wall of screwed pipe, swing joint has two fixed plates on the outer wall of grafting pipeline, two one side that grafting pipeline was kept away from to the fixed plate all is equipped with grafting screw rod, just grafting screw rod all runs through the fixed plate and connects grafting pipeline.

Through the technical scheme, the self-sealing type inflation valve is convenient to disassemble and maintain.

Further, the link gear includes limit baffle, just limit baffle is located the inner wall bottom of grafting pipeline, the bottom of grafting pipeline is equipped with sealed rubber ring, be equipped with the piston under limit baffle, the top fixed mounting of piston has the thimble.

Through above-mentioned technical scheme, be convenient for restrict the activity space of piston.

Further, the self-sealing mechanism comprises a first air cavity and a second air cavity, the first air cavity and the second air cavity are both positioned on the inner wall of the main pipeline, the second air cavity is positioned right below the first air cavity, a fixed block is fixedly installed on the inner wall of the bottom end of the second air cavity, the top end of the fixed block is connected with a spring, and the top end of the spring is fixedly connected with a plug-in block.

Through the technical scheme, the inflation valve is convenient to achieve the self-sealing effect.

Further, the bottom of piston is equipped with grafting piece diameter size assorted recess, just be equipped with anti-skidding fold on the recess inner wall.

Through above-mentioned technical scheme, be convenient for connect into whole with piston and grafting piece.

Further, a hidden groove is formed in the top end of the main pipeline, and the diameter size of the hidden groove is the same as that of the sealing rubber ring.

Through above-mentioned technical scheme, be convenient for avoid appearing the gap between trunk line and the grafting pipeline through sealed rubber ring.

Furthermore, the diameters of the inner rings of the main pipeline, the plug pipeline and the threaded pipe are the same, and the inner rings of the main pipeline, the plug pipeline and the threaded pipe are vertically communicated.

Through the technical scheme, the self-sealing type inflation valve is convenient to penetrate and exhaust.

Further, the diameter size of the piston is the same as the diameter size of the inner ring of the main pipeline, and the bottom end of the limiting baffle is provided with a rubber ring.

Through above-mentioned technical scheme, avoid the gap too big between piston and the limit baffle.

In summary, the utility model has the following beneficial technical effects:

when the piston needs to be replaced in the later stage, the plug screw rod is rotated to disconnect the connection between the plug pipeline and the plug pipeline, and then the plug pipeline is pulled upwards to disconnect the connection between the plug pipeline and the main pipeline, so that the piston can be pulled upwards directly, the connection between the plug pipeline and the plug block is disconnected, the piston is replaced, and the problem that the self-sealing type inflation valve is inconvenient to disassemble and the piston with abrasion inside is avoided.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the internal structure of the self-sealing inflation valve of the present utility model;

FIG. 3 is a schematic view of a partial structure of the self-sealing inflation valve of the present utility model.

The reference numerals in the figures illustrate:

1. a main pipe; 2. plugging a pipeline; 3. a threaded tube; 4. a screw cap; 5. a fixing plate; 6. inserting a screw rod; 7. a limit baffle; 8. sealing rubber rings; 9. a thimble; 10. a piston; 11. a plug block; 12. a spring; 13. a first air chamber; 14. a second air chamber; 15. and a fixed block.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.

In the description of the present utility model, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship 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 elements 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. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Examples:

the embodiment of the utility model discloses a self-sealing type inflation valve, please refer to fig. 1, 2 and 3, which comprises a main pipeline 1, wherein the top end of the main pipeline 1 is provided with a plug-in pipeline 2, a linkage mechanism is arranged in the plug-in pipeline 2, the main pipeline 1 is internally provided with the self-sealing mechanism, the bottom end of the main pipeline 1 is provided with a threaded pipe 3, a nut 4 is movably sleeved on the outer wall of the threaded pipe 3, in the actual use process, a rubber plug matched with the diameter size of the inner ring of the threaded pipe 3 can be cut out, the self-sealing type inflation valve is convenient to be sealed when the self-sealing type inflation valve is not used, two fixing plates 5 are movably connected on the outer wall of the plug-in pipeline 2, one side of the two fixing plates 5 far away from the plug-in pipeline 2 is provided with a plug-in screw 6, the plug-in screw 6 penetrates through the fixing plates 5 and is connected with the plug-in pipeline 2, the outer wall of the plug-in pipeline 2 is provided with two grooves matched with the diameter size of the plug-in screw 6, the inner wall of the grooves are arranged on the outer wall of the plug-in pipeline 2, the grooves matched with the outer side threads of the plug-in screw 6 are movably, the plug-in screw 6 is sleeved on the inner wall of the grooves, the inner wall of the grooves is matched with the screw threads with the outer threads of the screw threads, the outer wall of the screw 4, the inner wall is convenient to be cut out of the fixing plates 5 and the plug-in pipeline 2, the inner ring, the plug-in pipeline 2 is conveniently and the plug-in pipeline 2 is connected with the plug screw 2, when the piston 4 is conveniently and the piston pipeline 2 is connected with the piston pipeline 10, and the piston pipeline 10 and can be quickly disconnected from the piston and can be pulled and disconnected from the piston 10 by the piston 10 through the piston pipeline 10.

Referring to fig. 1, 2 and 3, the linkage mechanism comprises a limit baffle 7, the limit baffle 7 is positioned at the bottom end of the inner wall of the plug-in pipeline 2, a sealing rubber ring 8 is arranged at the bottom end of the plug-in pipeline 2, a piston 10 is arranged right below the limit baffle 7, a thimble 9 is fixedly arranged at the top end of the piston 10, and in the use process, the thimble 9 drives the piston 10 to move, so that the piston 10 is disconnected from contact with the limit baffle 7, and gas transfer can be performed;

the self-sealing mechanism comprises a first air cavity 13 and a second air cavity 14, wherein the first air cavity 13 and the second air cavity 14 are both positioned on the inner wall of the main pipeline 1, the second air cavity 14 is positioned right below the first air cavity 13, a fixed block 15 is fixedly installed on the inner wall of the bottom end of the second air cavity 14, the top end of the fixed block 15 is connected with a spring 12, the top end of the spring 12 is fixedly connected with an inserting block 11, and the inserting block 11 and the piston 10 are pushed to move upwards through the spring 12 so as to facilitate plugging the main pipeline 1.

Referring to fig. 1, 2 and 3, a groove matched with the diameter of the plug 11 is formed at the bottom end of the piston 10, and an anti-slip fold is formed on the inner wall of the groove, so that the connection strength between the piston 10 and the plug 11 is increased, and the piston 10 can be pulled upwards directly to disconnect the connection between the piston 10 and the plug 11 and replace the piston 10 when the piston 10 needs to be replaced in the later stage;

the top end of the main pipeline 1 is provided with a hidden groove, the diameter size of the hidden groove is the same as that of the sealing rubber ring 8, and the situation that a gap exists between the main pipeline 1 and the plug pipeline 2 to cause air leakage is avoided;

the diameters of the inner rings of the main pipeline 1, the plug pipeline 2 and the threaded pipe 3 are the same, and the inner rings of the main pipeline 1, the plug pipeline 2 and the threaded pipe 3 are vertically communicated, so that gas transfer can be conveniently and rapidly carried out;

the diameter size of the piston 10 is the same as the diameter size of the inner ring of the main pipeline 1, the bottom end of the limit baffle 7 is provided with a rubber ring, and the limit baffle 7 and the piston 10 are sealed through the rubber ring, so that a secondary sealing effect is formed.

The implementation principle of the embodiment is as follows: when the self-sealing type inflation valve is used, the self-sealing type inflation valve is connected with the two tank bodies, at the moment, the ejector pin 9 drives the piston 10 to move towards the main pipeline 1, the piston 10 is enabled to move towards the inside of the first air cavity 13, air can be transferred, if the piston 10 needs to be replaced, the plug screw 6 is required to be rotated to be disconnected with the plug pipeline 2, then the plug pipeline 2 is pulled upwards to be disconnected with the main pipeline 1, and the piston 10 can be taken out from the main pipeline 1 to be replaced.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (7)

1. The utility model provides a self-sealing formula inflation valve, includes trunk line (1), its characterized in that: the utility model discloses a pipeline structure, including main pipe (1) and fixed plate (2), the top of main pipe (1) is equipped with grafting pipeline (2), be equipped with link gear in grafting pipeline (2), be equipped with from close mechanism in main pipe (1), the bottom of main pipe (1) is equipped with screwed pipe (3), movable sleeve has nut (4) on the outer wall of screwed pipe (3), swing joint has two fixed plates (5) on the outer wall of grafting pipeline (2), two one side that grafting pipeline (2) were kept away from to fixed plate (5) all is equipped with grafting screw rod (6), just grafting screw rod (6) all runs through fixed plate (5) and connects grafting pipeline (2).

2. A self-sealing inflation valve as claimed in claim 1, wherein: the linkage mechanism comprises a limit baffle (7), the limit baffle (7) is located at the bottom end of the inner wall of the plug-in pipeline (2), a sealing rubber ring (8) is arranged at the bottom end of the plug-in pipeline (2), a piston (10) is arranged right below the limit baffle (7), and a thimble (9) is fixedly arranged at the top end of the piston (10).

3. A self-sealing inflation valve as claimed in claim 2, wherein: the self-sealing mechanism comprises a first air cavity (13) and a second air cavity (14), wherein the first air cavity (13) and the second air cavity (14) are both positioned on the inner wall of the main pipeline (1), the second air cavity (14) is positioned right below the first air cavity (13), a fixed block (15) is fixedly installed on the inner wall of the bottom end of the second air cavity (14), the top end of the fixed block (15) is connected with a spring (12), and the top end of the spring (12) is fixedly connected with an inserting block (11).

4. A self-sealing inflation valve as claimed in claim 2, wherein: the bottom of the piston (10) is provided with a groove matched with the diameter of the plug-in block (11), and the inner wall of the groove is provided with an anti-skid fold.

5. A self-sealing inflation valve as claimed in claim 2, wherein: the top of trunk line (1) is equipped with hidden recess, the diameter size of hidden recess is the same with the diameter size of sealed rubber ring (8).

6. A self-sealing inflation valve as claimed in claim 1, wherein: the diameter sizes of the inner rings of the main pipeline (1), the plug pipeline (2) and the threaded pipe (3) are the same, and the inner rings of the main pipeline (1), the plug pipeline (2) and the threaded pipe (3) are vertically communicated.

7. A self-sealing inflation valve as claimed in claim 2, wherein: the diameter size of the piston (10) is the same as the diameter size of the inner ring of the main pipeline (1), and the bottom end of the limit baffle (7) is provided with a rubber ring.