CN220227885U

CN220227885U - Stop valve

Info

Publication number: CN220227885U
Application number: CN202321926528.2U
Authority: CN
Inventors: 张�成; 张磊; 朱学巧
Original assignee: Anhui Lebao Pump Co ltd
Current assignee: Anhui Lebao Pump Co ltd
Priority date: 2023-07-21
Filing date: 2023-07-21
Publication date: 2023-12-22
Anticipated expiration: 2033-07-21

Abstract

The utility model relates to the technical field of diaphragm pump accessories, and provides a stop valve which comprises an air inlet pipe, wherein a connecting pipe which is communicated with the inside of the air inlet pipe and is vertical to the air inlet pipe and is provided with an opening on one side, two symmetrical support plates are fixedly connected on one side of the connecting pipe, a circular block is detachably and fixedly connected between the two support plates, and one side of the circular block is provided with a mounting block which is positioned in the connecting pipe and can move left and right. According to the utility model, the circular block can be detached from the space between the two support plates, at the moment, the mounting block and the piston block can be taken out from the connecting pipe, and then the piston block can be replaced by detaching the piston block from the mounting block, so that the piston block can be quickly disassembled, assembled and replaced after being worn, and the diaphragm pump is convenient for subsequent maintenance work.

Description

Stop valve

Technical Field

The utility model relates to the technical field of diaphragm pump accessories, in particular to a stop valve.

Background

The pneumatic diaphragm pump is a novel conveying machine and is the most novel pump in China. The compressed gas is used as a power source, and various decaying liquids, such as liquid with particles, high-viscosity, easy-to-volatilize, inflammable and extremely toxic liquids, can be pumped and absorbed.

When the diaphragm pump works, air is exchanged and fed into the two chambers through the air inlet pipe respectively, the diaphragm is enabled to be driven back and forth, the air inlet pipe is provided with a stop valve for controlling the switch of the diaphragm pump, but the inner valve core of the traditional stop valve is easy to wear after long-term use, the inner part of the stop valve is more complex, the valve core is difficult to replace, and the whole valve body is generally required to be replaced, so that later maintenance of the diaphragm pump is more troublesome and the cost is improved, and therefore, the stop valve is very necessary to be designed to solve the problem.

Disclosure of Invention

The present utility model is directed to a stop valve to solve the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a stop valve, includes the intake pipe, fixedly connected with is linked together rather than inside in the intake pipe and rather than being perpendicular and one side is open-ended connecting pipe, one side fixedly connected with two symmetrical extension boards of connecting pipe, can dismantle fixedly connected with circular piece between two extension boards, one side of circular piece is provided with and is located the connecting pipe and can carry out the installation piece that moves about, and the piston block that fixedly connected with pegged graft in the connecting pipe and can shutoff intake pipe can be dismantled to one side of keeping away from circular piece of installation piece.

Preferably, the round block is connected with a first threaded rod which is in a left-right axial direction in a threaded fit penetrating way, one side of the first threaded rod extends into the connecting pipe and is rotationally connected with the mounting block, the other side of the first threaded rod is fixedly connected with a handle, the first threaded rod can be driven to rotate by holding the handle and rotating by hands, and the first threaded rod can move left and right on the round block under the threaded fit, so that the first threaded rod can push the mounting block and the piston block to move left and right in the connecting pipe.

Preferably, a column groove is formed in one side of the mounting block, and a rotating block which is inserted into the column groove in a rotating manner through a bearing is fixedly connected to one side of the first threaded rod, so that rotary connection can be formed between the first threaded rod and the mounting block.

Preferably, one side of the installation block is fixedly connected with a threaded rod II, one side of the piston block facing the installation block is provided with a threaded groove I, and the threaded rod II is inserted into the threaded groove I in a threaded fit manner, so that the piston block can be fixed on one side of the installation block.

Preferably, the upper side and the lower side of the round block are provided with a second thread groove, bolts are inserted and connected on the two support plates, and one opposite sides of the two bolts are inserted into the corresponding second thread groove through threads respectively, so that the round block can be formed on one side of the support plates in a detachable and fixed sleeved mode.

Preferably, the length of the piston block is greater than the diameter of the air inlet pipe, so that the piston block can completely seal the inside of the air inlet pipe.

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

the mounting block can move towards the direction in the connecting pipe, can drive the piston block to synchronously move and can move to the joint of the air inlet pipe and the connecting pipe, so that the inside of the air inlet pipe is blocked, the round block can be detached from between the two support plates, the mounting block and the piston block can be taken out of the connecting pipe at the moment, and then the piston block can be detached from the mounting block to replace the piston block, so that the piston block can be quickly disassembled and replaced after being worn, and the diaphragm pump is convenient for subsequent maintenance work.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic side view of the structure of the present utility model;

FIG. 3 is a schematic view of the cross-sectional structure of FIG. 2 taken along the line A-A in accordance with the present utility model;

FIG. 4 is a schematic view of the structure of the present utility model in a disassembled state;

in the figure: 1. an air inlet pipe; 2. a connecting pipe; 3. a support plate; 4. a circular block; 5. a mounting block; 6. a piston block; 7. a first threaded rod; 8. a handle; 9. a rotating block; 10. a second threaded rod; 11. a first thread groove; 12. a thread groove II; 13. and (5) a bolt.

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 will be apparent that numerous specific details are set forth in the following description in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced in other ways than as described herein, and therefore the present utility model is not limited to the specific embodiments of the present disclosure.

Referring to fig. 1-4, the present utility model provides a stop valve: including intake pipe 1, fixedly connected with is linked together rather than inside on the intake pipe 1 and rather than being perpendicular and one side is open-ended connecting pipe 2, one side fixedly connected with two symmetrical extension boards 3 of connecting pipe 2, can dismantle fixedly connected with circular piece 4 between two extension boards 3, one side of circular piece 4 is provided with and is located connecting pipe 2 and can carry out the installation piece 5 that removes about, the one side of keeping away from circular piece 4 of installation piece 5 can dismantle fixedly connected with and peg graft in connecting pipe 2 and can shutoff intake pipe 1's piston piece 6, through such design, when needing to close the diaphragm pump, can make installation piece 5 remove towards the direction in connecting pipe 2, it can drive piston piece 6 and remove to the junction of intake pipe 1 and connecting pipe 2, thereby carry out the shutoff to intake pipe 1 inside, and can be with circular piece 4 follow and remove from between two extension boards 3, can take out installation piece 5 and piston piece 6 from 2 in this moment, can carry out the piston piece 6 from installation piece 5 again and can carry out the quick replacement to piston piece 6 and can realize the quick replacement of piston piece 6 after the diaphragm pump is convenient for realizing the diaphragm pump.

Specifically, in order to enable the installation block 5 to move left and right, in some embodiments, it is proposed that a first threaded rod 7 in a left and right axial direction is connected to the circular block 4 in a threaded fit and inserted manner, one side of the first threaded rod 7 extends into the connecting pipe 2 and is rotationally connected with the installation block 5, a handle 8 is fixedly connected to the other side of the first threaded rod 7, the handle 8 is held by a hand and rotated to drive the first threaded rod 7 to rotate, and the first threaded rod 7 can move left and right on the circular block 4 in threaded fit, so that the first threaded rod 7 can push the installation block 5 and the piston block 6 to move left and right in the connecting pipe 2, and the piston block 6 can seal the air inlet pipe 1.

As to the concrete connection mode between the first threaded rod 7 and the mounting block 5, as shown in FIG. 3, a column-shaped groove is formed in one side of the mounting block 5, one side of the first threaded rod 7 is fixedly connected with a rotating block 9 which is rotationally inserted into the column-shaped groove through a bearing, so that rotational connection can be formed between the first threaded rod 7 and the mounting block 5, and the design is more reasonable.

Referring to fig. 4, a second threaded rod 10 is fixedly connected to one side of the mounting block 5, a first threaded groove 11 is formed on one side of the piston block 6 facing the mounting block 5, and the second threaded rod 10 is inserted into the first threaded groove 11 through threaded engagement, so that the piston block 6 can be fixed on one side of the mounting block 5, and the piston block 6 can be separated from the second threaded rod 10 through threaded engagement by rotating the piston block 6, so that the piston block 6 can be quickly detached.

Furthermore, the two sides of the round block 4 are provided with the second thread groove 12, the two support plates 3 are respectively connected with the bolts 13 in a penetrating way, and one opposite sides of the two bolts 13 are respectively inserted into the second corresponding thread groove 12 through threads, so that the round block 4 can be formed on one side of the support plates 3 in a detachable and fixed sleeving way.

It should be noted that, the length of the piston block 6 is greater than the diameter of the air inlet pipe 1, so that the piston block 6 can completely block the inside of the air inlet pipe 1, thereby achieving the effect of effectively stopping air flow.

Claims

1. Stop valve, including intake pipe (1), its characterized in that: fixedly connected with is linked together and rather than being mutually perpendicular and one side is open-ended connecting pipe (2) on intake pipe (1), one side fixedly connected with two symmetrical extension boards (3) of connecting pipe (2), can dismantle fixedly connected with circular piece (4) between two extension boards (3), one side of circular piece (4) is provided with and is located connecting pipe (2) and can carry out installation piece (5) of controlling the removal, and the piston piece (6) of fixedly connected with grafting in connecting pipe (2) and can shutoff intake pipe (1) can be dismantled to one side of keeping away from circular piece (4) of installation piece (5).

2. A shut-off valve as defined in claim 1 wherein: the circular block (4) is connected with a first threaded rod (7) which is in the left-right axial direction in a threaded fit penetrating way, one side of the first threaded rod (7) extends into the connecting pipe (2) and is rotationally connected with the mounting block (5), and the other side of the first threaded rod (7) is fixedly connected with a handle (8).

3. A shut-off valve as defined in claim 2 wherein: one side of the mounting block (5) is provided with a column groove, and one side of the first threaded rod (7) is fixedly connected with a rotating block (9) which is rotationally inserted in the column groove through a bearing.

4. A shut-off valve as defined in claim 1 wherein: one side of the installation block (5) is fixedly connected with a threaded rod II (10), a threaded groove I (11) is formed in one side of the piston block (6) facing the installation block (5), and the threaded rod II (10) is inserted into the threaded groove I (11) in a threaded fit manner.

5. A shut-off valve as defined in claim 1 wherein: screw thread groove two (12) have all been seted up to the upper and lower both sides of circular piece (4), all alternate on two extension boards (3) and be connected with bolt (13), and one side that two bolts (13) are opposite is pegged graft in corresponding screw thread groove two (12) through the screw thread respectively.

6. A shut-off valve as defined in claim 1 wherein: the length of the piston block (6) is larger than the diameter of the air inlet pipe (1).