CN214460903U

CN214460903U - Pneumatic drainage device

Info

Publication number: CN214460903U
Application number: CN202120339339.XU
Authority: CN
Inventors: 蒋友平; 王志忠; 王兴东
Original assignee: Xiamen Paifute Sanitary Technology Co ltd
Current assignee: Xiamen Paifute Sanitary Technology Co ltd
Priority date: 2021-02-05
Filing date: 2021-02-05
Publication date: 2021-10-22
Anticipated expiration: 2031-02-05

Abstract

The utility model discloses a pneumatic drainage device, include: a drain valve; a pneumatically controlled actuation assembly; the air source is used for supplying air to the pneumatic control actuating assembly; the control box comprises a box body and a swinging block rotatably arranged in the box body, and the pneumatic control actuating assembly is arranged on the box body and drives the swinging block when being supplied with air by an air source; and one end of the steel wire rope extends into the control box and is connected with the swinging block, and the other end of the steel wire rope is connected with the drain valve to control the opening of the drain valve. The utility model discloses can realize pneumatic drive wire rope, and then through wire rope drive drain valve, adopt gas actuation wire rope also can satisfy the needs of the nimble installation of switch to need not extension wire rope, the great problem of frictional force when can avoiding wire rope longer to lead to the motion.

Description

Pneumatic drainage device

Technical Field

The utility model relates to a pneumatic drainage device.

Background

The existing starting structure for starting the drain valve of the toilet water tank is various, wherein the common starting structure for driving the valve core assembly of the drain valve by adopting a steel wire rope is generally used for pulling the steel wire rope by manually driving a mechanical switch. Adopt wire rope can be so that mechanical switch's the position that sets up more nimble, but because wire rope's frictional force to can lead to manual drive switching force value to need great, and wire rope is longer, and frictional force is big more. Therefore, in order to control the switching force value within a certain range, the length of the steel wire rope cannot be lengthened as required, so that the setting position of the switch is limited to a certain extent.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a pneumatic drainage device, its wire rope length that need not to extend and adopt wire rope driven drain valve also can realize the nimble installation of on-off position to can avoid the longer great problem of frictional force when leading to the motion of wire rope.

In order to achieve the above purpose, the technical scheme of the utility model is that:

a pneumatic drain, comprising:

a drain valve;

a pneumatically controlled actuation assembly;

the air source is used for supplying air to the pneumatic control actuating assembly;

the control box comprises a box body and a swinging block rotatably arranged in the box body, and the pneumatic control actuating assembly is arranged on the box body and drives the swinging block when being supplied with air by the air source;

and one end of the steel wire rope extends into the control box and is connected with the swinging block, and the other end of the steel wire rope is connected with the drain valve to control the drain valve to be opened.

Preferably, the pneumatic control actuating assembly comprises a cylinder and a piston matched with the cylinder, and the piston is in transmission fit with the swinging block.

Preferably, the cylinder and the box body are fixedly connected after being formed in a split mode, or the cylinder and the box body are integrally formed.

Preferably, the pneumatic control actuating assembly comprises an air bag and a movable piece in transmission fit with the air bag, and the movable piece is in transmission fit with the swing block.

Preferably, the air source is an electric control type air source or a mechanical type air source.

Preferably, the electric control type air source is an air pump; the mechanical air source is a pneumatic button assembly.

Preferably, the pneumatic control actuator assembly further comprises an air pipe, wherein one end of the air pipe is communicated with the air source, and the other end of the air pipe is communicated with the pneumatic control actuator assembly.

Preferably, the box body is provided with a swinging block, and the swinging block is arranged on the box body and is in transmission fit with the swinging block.

Preferably, the swing block is provided with a first input end and a second input end which are respectively in transmission fit with the pneumatic control actuating assembly and the manual actuating assembly, and the swing block further comprises an output end which is linked with the steel wire rope.

Preferably, the swing block includes a rotating shaft which is matched with the box body in a rotating manner, the first input end, the second input end and the output end are respectively arranged on the peripheral wall of the rotating shaft, and the first input end and the second input end are arranged at intervals in the circumferential direction of the rotating shaft.

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

the utility model discloses a set up the wire rope that gas accuse actuating assembly, air supply, control box and control drain valve were opened, the control box includes the box body and rotates the swing piece of locating in the box body, and gas accuse actuating assembly installs on the box body to by the swing piece of air supply air feed time transmission, wire rope's one end stretch into in the control box and with the swing piece is connected, and the other end is connected with the drain valve, thereby realizes pneumatic drive wire rope, and then through wire rope drive drain valve. The mode of adopting gas actuation wire rope need not through extension wire rope, also can satisfy the nimble needs of installing of switch position to the longer problem that the frictional force is great when leading to the motion of wire rope can be avoided.

Drawings

Fig. 1 is a cross-sectional view of a pneumatic actuator assembly and control box according to an embodiment of the present invention;

fig. 2 is a perspective assembly view of a pneumatic drain according to an embodiment of the present invention;

fig. 3 is a cross-sectional view of the pneumatic actuator assembly, the manual actuator assembly, and the control box in accordance with another embodiment of the present invention;

fig. 4 is a perspective assembly view of a pneumatic drain according to another embodiment of the present invention;

fig. 5 is a cross-sectional view of a pneumatic drain according to another embodiment of the present invention;

fig. 6 is an exploded view of a pneumatic drain according to another embodiment of the present invention.

The reference numerals in the figures are explained below:

10, a water discharge valve; 20 an air controlled actuating assembly; 21 air cylinders; 22 a piston; 23, a spring; 30 air pipes; 40 a control box; 41 a swing block; 411 a first input terminal; 412 a second input terminal; 413 an output terminal; 414 a rotating shaft; 42 a box body; 50 steel wire ropes; 60 manually actuate the assembly.

Detailed Description

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following description of the present invention is provided with reference to the accompanying drawings, which are only some embodiments of the present invention, and it is obvious for a person skilled in the art to obtain other drawings without creative efforts.

As shown in fig. 1 and fig. 2, a pneumatic drainage device according to an embodiment of the present invention includes a drainage valve 10, a pneumatic control actuation assembly 20, an air source, an air pipe 30, a control box 40, and a steel wire rope 50 for controlling the drainage valve 10 to open. A gas source (not shown) for supplying gas to pneumatically controlled actuation assembly 20; one end of the air pipe 30 is communicated with an air source, and the other end is communicated with the pneumatic control actuating assembly 20; the control box 40 comprises a box body 42 and a swinging block 41 rotatably arranged in the box body 42, the pneumatic control actuating assembly 20 is arranged on the box body 42 and drives the swinging block 41 when being supplied with air by an air source; one end of the wire rope 50 extends into the control box 40 and is connected with the swinging block 41, and the other end is connected with the drain valve 10 to control the opening of the drain valve 10.

In this embodiment, the pneumatic control actuation assembly 20 includes a cylinder 21, a piston 22 matched with the cylinder 21, and a spring 23 for resetting the piston 22, the piston 22 is in transmission fit with the swing block 41, when the air source supplies air to the cylinder 21 through the air pipe 30, the air pressure pushes the piston 22 to make the piston 22 slide relative to the cylinder 21, and the piston 22 further drives the swing block 41 to swing. When the gas supply is no longer supplied, the piston 22 is reset by the spring 23 and the gas in the cylinder 21 is vented. In other embodiments, the pneumatically controlled actuating assembly 20 may alternatively include an air bag (not shown) and a movable member (not shown) in driving engagement with the air bag, the movable member being in driving engagement with the swing block 41.

In this embodiment, the cylinder 21 and the box 42 are integrally formed for convenience of assembly and a more compact structure. Of course, in other embodiments, the cylinder 21 and the box 42 may be assembled together by being formed separately and then fixedly connected.

In this embodiment, the air source may be an electric control type air source or a mechanical type air source. The electrically controlled air source can be an air pump, the mechanical air source can be a pneumatic button assembly, the pneumatic button assembly is of an existing structure (the existing pneumatic button assembly generally comprises a button, an air cylinder, a piston and the like, when the button is pressed, the button drives the piston to apply work to air in the air cylinder and output pressure air to form an air source), and the pneumatic button assembly can be driven to supply air to the pneumatic control actuating assembly 20 through the air pipe 30. The air source of this embodiment specifically employs an air pump.

As shown in fig. 3 to fig. 6, a difference between the pneumatic drainage apparatus of another embodiment of the present invention and the above-mentioned embodiments is that the pneumatic drainage apparatus of this embodiment further includes a manual actuation assembly 60, and the manual actuation assembly 60 is also disposed on the box body 42 and is in transmission fit with the swing block 41. The manual actuating assembly 60 is specifically a key assembly, which includes a key and a key return spring, and the key is in linkage fit with the swing block 41. Through setting up manual actuating assembly 60, can be more a mode of drive wire rope 50, can drive wire rope 50 through manual actuating assembly 60 under the unusual circumstances such as the air pump can't open, it is more convenient to use.

Specifically, in order to make the structure more compact and simpler, in the present embodiment, the swing block 41 is provided with a first input terminal 411, a second input terminal 412, an output terminal 413 and a rotating shaft 414. The first input end 411 is in transmission fit with the pneumatic control actuating assembly 20, the second input end 412 is in transmission fit with the manual actuating assembly 60, the output end 413 is in linkage with the steel wire rope 50, and the rotating shaft 414 is in rotation fit with the box body 42. Preferably, the first input end 411, the second input end 412 and the output end 413 are respectively disposed on the outer circumferential wall of the rotating shaft 414, and the first input end 411 and the second input end 412 are spaced apart in the circumferential direction of the rotating shaft 414.

While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A pneumatic drain, comprising:

a drain valve;

a pneumatically controlled actuation assembly;

2. The pneumatic drainage device of claim 1, wherein the pneumatically actuated actuation assembly comprises a cylinder and a piston engaged with the cylinder, the piston drivingly engaged with the swing block.

3. The pneumatic drainage device according to claim 2, wherein the cylinder is fixedly connected with the box body after being formed separately, or the cylinder is formed integrally with the box body.

4. The pneumatic drainage device of claim 1, wherein the pneumatically actuated actuation assembly comprises an air bladder and a movable member in driving engagement with the air bladder, the movable member being in driving engagement with the swing block.

5. The pneumatic drainage apparatus of claim 1, wherein the air source is an electrically controlled air source or a mechanical air source.

6. A pneumatic drainage apparatus as claimed in claim 5, wherein the electrically controlled air supply is an air pump; the mechanical air source is a pneumatic button assembly.

7. The pneumatic drainage device of claim 1, further comprising an air tube, one end of the air tube being in communication with the air source and the other end being in communication with the pneumatically controlled actuation assembly.

8. The pneumatic drainage device of any one of claims 1 to 7, further comprising a manual actuation assembly disposed on the cartridge body and in driving engagement with the swing block.

9. The pneumatic drainage device of claim 8, wherein the swing block is provided with a first input end and a second input end which are respectively in transmission fit with the pneumatic control actuating assembly and the manual actuating assembly, and the swing block further comprises an output end which is linked with the steel wire rope.

10. The pneumatic drainage apparatus of claim 9, wherein the swing block includes a rotation shaft rotatably engaged with the box body, the first input port, the second input port, and the output port are respectively provided on an outer peripheral wall of the rotation shaft, and the first input port and the second input port are spaced apart in a circumferential direction of the rotation shaft.