CN215053589U

CN215053589U - Air inlet valve of pipeline dredging device

Info

Publication number: CN215053589U
Application number: CN202120467159.XU
Authority: CN
Inventors: 覃胜海; 余刚; 姚彬; 莫宁宇; 林桂文
Original assignee: Foshan Moke Technology Co ltd
Current assignee: Zhongshan Yijia Daily Necessities Co ltd
Priority date: 2021-03-04
Filing date: 2021-03-04
Publication date: 2021-12-07
Anticipated expiration: 2031-03-04

Abstract

The utility model provides an admission valve of pipeline dredge belongs to pipeline dredge technical field. It has solved the relatively poor problem of gas tightness of current admission valve. This admission valve of pipeline dredge, pipeline dredge include the gas receiver and with the shell that the gas receiver is connected, be equipped with the gas storehouse in the gas receiver and link up the body, this admission valve is including setting up the valve body on the shell, the end of giving vent to anger of valve body links up the body coupling through hose and gas storehouse, the admission valve is still including setting up the glue of aerifing all in the valve body and sealing the gas piece, aerify and to have seted up the passageway of aerifing with the valve body inner chamber intercommunication in gluing, sealing the gas piece can slide and make the passageway of aerifing communicate or break off with the valve body inner chamber in the valve body. The air inlet valve of the pipeline dredger can improve the air tightness of the pipeline dredger and further improve the use convenience of the pipeline dredger.

Description

Air inlet valve of pipeline dredging device

Technical Field

The utility model belongs to the technical field of the pipeline dredge, a admission valve of pipeline dredge is related to.

Background

In daily life, people often encounter the blocking condition of a sewer pipeline, so that pipeline dredging devices are developed, and the existing pipeline dredging devices usually adopt high-pressure gas to dredge the sewer pipeline.

For example, the Chinese patent application (patent application No. 201921135028.0) discloses a pipeline dredger, which comprises a front main body and a rear main body, wherein the front main body and the rear main body are connected through a middle seat, an air cavity and an air outlet are arranged in the front main body, a piston rod is arranged in the air cavity in a moving manner, a cavity is arranged at the front end of the middle seat, the rear end of the piston rod is arranged in the cavity in a moving manner, a gap is arranged between the rear end of the piston rod and the middle seat, the dredging structure is arranged on the rear main body and communicated with the cavity through a pipeline, air is input into the cavity through the dredging structure so as to drive the piston rod to move forwards, and the air enters the air cavity through the gap so as to move the piston rod to a set position, so that the piston rod blocks the air outlet, the dredging structure comprises an air inlet nozzle and a valve button, the pipeline comprises an air inlet pipe and an air outlet pipe, the middle seat is respectively connected with the air inlet nozzle and the valve button through the air inlet pipe and the air outlet pipe, the air enters the air inlet pipe through the air inlet nozzle, so that the air enters the cavity and drives the piston rod to move forwards until the air inlet pipe abuts against the air outlet hole.

Although the structure introduces gas into the air inlet pipe through the air inlet nozzle, the specific structure of the air inlet nozzle is unclear, and the structure of the existing air inlet nozzle needs to plug a plug into the air inlet nozzle immediately when not in use, so that the air pumped into the air inlet nozzle is prevented from flowing out, and the pipeline dredger is inconvenient to use and has poor air tightness.

Disclosure of Invention

The utility model aims at having the above-mentioned problem to current technique, provided an admission valve of pipeline dredge, the utility model aims to solve the technical problem that: how to solve the relatively poor problem of gas tightness of current admission valve.

The purpose of the utility model can be realized by the following technical proposal:

the utility model provides an admission valve of pipeline dredge, pipeline dredge include the gas receiver and the shell of being connected with the gas receiver, be equipped with the gas storehouse in the gas receiver and join the body, this admission valve is including setting up the valve body on the shell, the end of giving vent to anger of valve body links up the body coupling through hose and gas storehouse, a serial communication port, the admission valve is still including setting up the glue of aerifing all in the valve body and sealing the gas spare, aerify and to set up the passageway of aerifing with the intercommunication of valve body inner chamber in gluing, sealing the gas spare can slide in the valve body and make and aerify passageway and valve body inner chamber intercommunication or disconnection.

The working principle is as follows: through set up in the valve body and aerify gluey and seal the gas piece, make when needs aerify the gas receiver, only need pass through the inflator with external gas through aerifing gluey inflation channel, seal the gas piece this moment under external gas's atmospheric pressure effect, seal the gas piece and remove towards the valve body, make and aerify gluey inflation channel and valve body inner chamber intercommunication, and when need not aerify the gas receiver, during the inflator return, drive and seal the gas piece and aerify gluey direction and remove towards, until seal the gas piece will aerify gluey inflation channel and the disconnection of valve body inner chamber, thereby realized closing the admission valve, make and aerify the completion back at the admission valve, and need not carry out the shutoff to the admission valve, thereby make the inflation of pipeline dredge more convenient, and can promote the gas tightness of pipeline dredge, further improvement the convenience of use of pipeline dredge.

In the air inlet valve of the pipeline dredging device, the air outlet end of the vertical section of the inflation channel, which is close to the valve body, is smaller than the air outlet end far away from the valve body, and the air sealing piece can abut against the end part of the inflation rubber.

The setting of the vertical cross section of inflation channel for can play the cushioning effect to gas when toward aerifing gluey and aerifing, make the gas sealing piece can be stable remove in the valve body, and need close the back with the inflation valve, can be quick take out the gas in the passageway of aerifing, make the gas sealing piece lean on with the tip that aerifys gluey counterbalance, accomplish the shutoff to the admission valve, thereby further promotion the gas tightness of admission valve.

In the air inlet valve of the pipeline dredging device, the valve body is internally provided with the mounting cavity, the inflatable rubber part is positioned in the mounting cavity, and the end part of the inflatable rubber is abutted against the wall of the mounting cavity.

The end part of the inflation rubber abuts against the wall of the mounting cavity, so that the valve body is more stable in connection with the inflation rubber, the gas flowing out from the inflation rubber inner inflation channel can flow into the valve body inner cavity instead of the mounting cavity, the air leakage of the air inlet valve is avoided, and the air tightness of the air inlet valve is further improved.

In the air inlet valve of the pipeline dredging device, the valve body is connected with a limiting seat, the limiting seat is partially positioned in the installation cavity, an air inlet channel communicated with the outside is formed in the limiting seat, and the inner cavity of the valve body is communicated with the air inlet channel through an air charging channel.

The setting of spacing seat, the installation of whole admission valve is more convenient to also made things convenient for the leading-in valve body inner chamber with external air, promoted the result of use of admission valve.

The connection mode between the valve body and the limiting seat can be threaded connection or buckling connection and the like.

In the air inlet valve of the pipeline dredging device, one end of the inflation glue is provided with the insertion part, the limit seat is protruded to form a boss, a limit groove is formed between the boss and the inner wall of the limit seat, and the insertion part is embedded into the limit groove and the end part of the inflation glue is abutted against the end part of the boss.

The inserting part is inserted into the limiting groove, the end part of the inflation rubber abuts against the end part of the boss, the sealing performance between the inflation rubber and the boss is improved while the stability of connection between the inflation rubber and the boss is guaranteed, the gas entering the air inlet valve is prevented from flowing out from a gap between the inflation rubber and the limiting seat, and the air tightness of the air inlet valve is further improved.

In the air inlet valve of the pipeline dredging device, the valve body is internally provided with a propping block, the air sealing piece is spherical or cylindrical, and the air sealing piece can prop against the propping block.

The setting of leaning on the piece in the valve body can be spacing to sealing the gas piece, has also reduced the area of contact between gas piece and the valve body, has avoided sealing the gas piece when the air pump return and still be in the laminating state with the valve body, seals the gas piece moreover and is spherical for the removal convenience more of sealing the gas piece in the valve body has reduced the frictional force between gas piece and the valve body, has further promoted the stability that the admission valve used.

The shape of the air sealing piece is just a revolving body.

In the air inlet valve of the pipeline dredging device, the air outlet end of the valve body is arranged upwards.

The setting of this structure makes things convenient for gaseous derivation for the admission valve can be quick with gaseous leading-in to the gas receiver in, has promoted the availability factor of admission valve.

In foretell pipeline dredge's admission valve, this pipeline dredge still includes the handle, handle and shell joint, spacing chamber has been seted up on the shell, spacing portion has on the shell, spacing seat is gone up sunken and is formed the mounting groove, spacing seat sets up in spacing intracavity and spacing portion embedding mounting groove, spacing seat sets up between shell and handle.

The setting of this structure for the installation of admission valve is more convenient, and the stability of admission valve installation can be guaranteed in the setting of mounting groove and spacing portion.

In the admission valve of foretell pipeline dredging device, spacing hole has been seted up on the shell, the pore wall in spacing hole is sunken to form a plurality of constant head tanks, valve body one end is equipped with the locating piece that sets up with the constant head tank one-to-one, the tip of valve body inserts in spacing downthehole and the corresponding constant head tank of locating piece embedding.

Through the setting of constant head tank and locating piece for the valve body is not only fixed through being connected with spacing seat, and it is spacing still through the cooperation of constant head tank and locating piece, further promotion the stability of admission valve installation.

Compared with the prior art, the air inlet valve of the pipeline dredger has the advantages that: aerify the setting of glue and air-tight piece for aerify at the admission valve and accomplish the back, need not carry out the shutoff to the admission valve, thereby make aerifing of pipeline dredge more convenient, and can promote the gas tightness of pipeline dredge, further improvement the use convenience of pipeline dredge.

Drawings

Fig. 1 is a plan view of the present pipe dredger with the intake valve assembled.

Fig. 2 is a partial sectional view taken along a-a in fig. 1.

Fig. 3 is a partially enlarged view of a portion a in fig. 2.

Fig. 4 is a partial structural schematic diagram of the pipeline dredger after an air inlet valve and a shell are assembled.

Fig. 5 is a structural schematic diagram of the inflation glue in the air inlet valve of the pipeline dredger.

Fig. 6 is a structural schematic diagram of a limiting seat in an air inlet valve of the pipeline dredger.

Fig. 7 is a structural schematic diagram of the pipe dredger with the outer shell and the valve body assembled.

In the figure, 1, an air storage cylinder; 11. a gas bin adaptor; 2. a housing; 21. a limiting cavity; 22. a limiting part; 23. a limiting hole; 24. positioning a groove; 3. a valve body; 31. a mounting cavity; 32. a leaning block; 33. positioning blocks; 4. inflating glue; 41. an inflation channel; 42. a plug-in part; 5. sealing the air; 6. a limiting seat; 61. an air intake passage; 62. a boss; 63. a limiting groove; 64. mounting grooves; 7. a handle.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in figure 1, the air inlet valve of the pipeline dredger comprises an air cylinder 1 and a shell 2 connected with the air cylinder 1.

Specifically, as shown in fig. 1-7, an air chamber connecting body 11 is arranged in an air storage cylinder 1, the air intake valve comprises a valve body 3 arranged on a shell 2, an air outlet end of the valve body 3 is connected with the air chamber connecting body 11 through a hose, the air intake valve further comprises an inflation rubber 4 and an air sealing piece 5 which are arranged in the valve body 3, an inflation channel 41 communicated with an inner cavity of the valve body 3 is arranged in the inflation rubber 4, and the air sealing piece 5 can slide in the valve body 3 and enables the inflation channel 41 to be communicated with or disconnected from the inner cavity of the valve body 3.

The working principle is as follows: by arranging the inflation rubber 4 and the air sealing piece 5 in the valve body 3, when the air storage cylinder 1 needs to be inflated, only the external air is required to pass through the inflation channel 41 of the inflation glue 4 through the air cylinder, at the moment, the air sealing piece 5 moves towards the valve body 3 under the air pressure of the external air, so that the inflation channel 41 of the inflation glue 4 is communicated with the inner cavity of the valve body 3, when the air cylinder 1 does not need to be inflated, the air cylinder returns to the original position, the air sealing piece 5 is driven to move towards the direction of the inflation rubber 4 until the air sealing piece 5 disconnects the inflation channel 41 of the inflation rubber 4 from the inner cavity of the valve body 3, thereby realizing the closing of the air inlet valve, leading the air inlet valve not to be blocked after the air charging of the air inlet valve is finished, thereby make the inflation of pipeline dredge more convenient to can promote the gas tightness of pipeline dredge, further improvement the use convenience of pipeline dredge.

As shown in fig. 3-6, the end of the vertical section of the inflation channel 41 close to the valve body 3 is smaller than the end far from the valve body 3, the air sealing member 5 can abut against the end of the inflation rubber 4, the valve body 3 is provided with a mounting cavity 31, the portion of the inflation rubber 4 is located in the mounting cavity 31, the end of the inflation rubber 4 abuts against the cavity wall of the mounting cavity 31, the valve body 3 is connected with a limit seat 6 by screw threads, the portion of the limit seat 6 is located in the mounting cavity 31, the limit seat 6 is provided with an air inlet channel 61 communicated with the outside, the inner cavity of the valve body 3 is communicated with the air inlet channel 61 through the inflation channel 41, one end of the inflation rubber 4 is provided with an annular insertion part 42, the limit seat 6 is protruded to form a boss 62, an annular limit groove 63 is formed between the boss 62 and the inner wall of the limit seat 6, the insertion part 42 is embedded into the limit groove 63, the end of the inflation rubber 4 abuts against the end of the boss 62, the abutment block 32 is arranged in the valve body 3, the air sealing piece 5 is spherical, the air sealing piece 5 can abut against the abutting block 32, and the air outlet end of the valve body 3 is arranged upwards.

As shown in fig. 2-6, the pipeline dredging device further comprises a handle 7, the handle 7 is clamped with the shell 2, the shell 2 is provided with a limiting cavity 21, the shell 2 is provided with a limiting part 22, the limiting seat 6 is sunken to form a mounting groove 64, the limiting seat 6 is arranged in the limiting cavity 21, the limiting part 22 is embedded into the mounting groove 64, and the limiting seat 6 is arranged between the shell 2 and the handle 7.

As shown in fig. 3 and 7, the housing 2 is provided with a limiting hole 23, the hole wall of the limiting hole 23 is recessed to form a plurality of positioning grooves 24, one end of the valve body 3 is provided with positioning blocks 33 which are arranged in one-to-one correspondence with the positioning grooves 24, the end of the valve body 3 is inserted into the limiting hole 23, and the positioning blocks 33 are embedded into the corresponding positioning grooves 24.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides an admission valve of pipeline dredge, pipeline dredge include gas receiver (1) and shell (2) be connected with gas receiver (1), be equipped with gas storehouse in gas receiver (1) and link up body (11), this admission valve is including setting up valve body (3) on shell (2), the end of giving vent to anger of valve body (3) is connected with gas storehouse link up body (11) through the hose, a serial communication port, the admission valve is still including setting up all aerifing gluey (4) and air-tight piece (5) in valve body (3), aerify and set up in gluey (4) and aerify passageway (41) with valve body (3) inner chamber intercommunication, air-tight piece (5) can slide in valve body (3) and make and aerify passageway (41) and valve body (3) inner chamber intercommunication or disconnection.

2. The air inlet valve of the pipeline dredger according to claim 1, wherein the vertical section of the air charging channel (41) is smaller at the air outlet end close to the valve body (3) than at the air outlet end far away from the valve body (3), and the air sealing piece (5) can be abutted against the end part of the air charging rubber (4).

3. The air inlet valve of the pipeline dredger according to claim 1 or 2, characterized in that a mounting cavity (31) is arranged in the valve body (3), the inflation rubber (4) is partially positioned in the mounting cavity (31), and the end part of the inflation rubber (4) is abutted against the wall of the mounting cavity (31).

4. The air inlet valve of the pipeline dredging device as claimed in claim 3, wherein the valve body (3) is connected with a limiting seat (6), the limiting seat (6) is partially positioned in the mounting cavity (31), the limiting seat (6) is provided with an air inlet channel (61) communicated with the outside, and the inner cavity of the valve body (3) is communicated with the air inlet channel (61) through an air charging channel (41).

5. The air inlet valve of the pipeline dredging device as claimed in claim 4, wherein one end of the air inflation rubber (4) is provided with an insertion part (42), the limiting seat (6) protrudes to form a boss (62), a limiting groove (63) is formed between the boss (62) and the inner wall of the limiting seat (6), the insertion part (42) is embedded into the limiting groove (63), and the end part of the air inflation rubber (4) abuts against the end part of the boss (62).

6. The air inlet valve of the pipeline dredger according to claim 1 or 2, characterized in that an abutting block (32) is arranged in the valve body (3), the air sealing piece (5) is spherical or cylindrical, and the air sealing piece (5) can abut against the abutting block (32).

7. The air inlet valve of the pipeline dredger according to claim 1 or 2, characterized in that the air outlet end of the valve body (3) is arranged upwards.

8. The air inlet valve of the pipeline dredging device according to claim 1 or 2, characterized in that, the pipeline dredging device further comprises a handle (7), the handle (7) is connected with the shell (2) in a clamping manner, a limiting cavity (21) is formed in the shell (2), a limiting part (22) is arranged on the shell (2), a mounting groove (64) is formed in the limiting seat (6) in a concave manner, the limiting seat (6) is arranged in the limiting cavity (21) and the limiting part (22) is embedded into the mounting groove (64), and the limiting seat (6) is arranged between the shell (2) and the handle (7).

9. The air inlet valve of the pipeline dredging device according to claim 1 or 2, wherein the housing (2) is provided with a limiting hole (23), the hole wall of the limiting hole (23) is recessed to form a plurality of positioning grooves (24), one end of the valve body (3) is provided with positioning blocks (33) which are arranged in one-to-one correspondence with the positioning grooves (24), the end part of the valve body (3) is inserted into the limiting hole (23) and the positioning blocks (33) are embedded into the corresponding positioning grooves (24).