CN213598684U

CN213598684U - Anti-overflow air defense integral type device

Info

Publication number: CN213598684U
Application number: CN202022432119.XU
Authority: CN
Inventors: 李金成; 许武刚; 蔡思武
Original assignee: Xcmg Hubei Environmental Protection Technology Co ltd
Current assignee: Xcmg Hubei Environmental Protection Technology Co ltd
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-07-02
Anticipated expiration: 2030-10-28

Abstract

The utility model discloses an anti-overflow and air defense integrated device, which belongs to the technical field of vacuum sewage suction and solves the problems of large size and low cost performance of the existing anti-overflow and air defense device; the anti-overflow and anti-empty device comprises a mounting shell, a valve body and a floating ball, wherein the bottom of the mounting shell is communicated with the top of a tank body, and one side of the mounting shell is also provided with an air suction port communicated with a vacuum pump; the top of the mounting shell is fixedly connected with a valve body, a valve core is movably inserted in the valve body, a return spring is arranged in the valve body above the valve core, and vent holes communicated with the outside are formed in the valve bodies on two sides of the valve core; the floating ball is positioned in the tank body, the top of the floating ball is provided with a connecting rod, and one end of the connecting rod upwards penetrates through the mounting shell and can be inserted in the valve body below the valve core in a sliding manner. The utility model discloses an integrated anti-overflow air defense function of anti-overflow air defense device retrencies the structure, promotes the price/performance ratio.

Description

Anti-overflow air defense integral type device

Technical Field

The utility model relates to a vacuum sewage suction technical field especially relates to an anti-overflow air defense integral type device.

Background

The overflow-proof valve and the vacuum breaking valve belong to two kinds of valves which are widely applied in the vacuum sewage suction industry. The anti-overflow valve is mainly used for sealing the tank body emptying channel after the liquid level of the liquid dirt reaches a certain liquid level height, so that the liquid dirt is prevented from entering the vacuum pump through the dirt suction pipeline, and the vacuum pump is further damaged. The vacuum breaking valve mainly has the function of preventing the tank body from being compressed by atmosphere due to overhigh vacuum degree when the tank body is sucked to be empty. Both valves must be present simultaneously in the vacuum sewage system.

The existing vacuum breaking valve and the existing anti-overflow valve have large appearance size, are inconvenient to install, have high overall cost and low cost performance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an anti-overflow air defense integral type device utilizes the cooperation of floater and valve to realize anti-overflow air defense function.

The utility model adopts the technical scheme as follows:

an anti-overflow and anti-air-lock integrated device comprises an installation shell, a valve body and a floating ball, wherein the bottom of the installation shell is communicated with the top of a tank body, and one side of the installation shell is also provided with an air suction port communicated with a vacuum pump; the top of the mounting shell is fixedly connected with a valve body, a valve core is movably inserted in the valve body, a return spring is arranged in the valve body above the valve core, and vent holes communicated with the outside are formed in the valve bodies on two sides of the valve core; the floating ball is positioned in the tank body, the top of the floating ball is provided with a connecting rod, and one end of the connecting rod upwards penetrates through the mounting shell and can be inserted in the valve body below the valve core in a sliding manner.

Further, the bottom of installation casing is equipped with the connecting plate, the connecting plate bilateral symmetry is equipped with two semicircle orifices, and the top of jar body is equipped with the connecting hole, the semicircle orifice with the connecting hole intercommunication.

Furthermore, a guide sleeve is fixedly connected to the middle of the connecting plate, a matching hole matched with the guide sleeve is further formed in the connecting plate, and the connecting rod is movably inserted into the guide sleeve.

Furthermore, the upper portion of connecting rod is equipped with the snap ring groove, the snap ring groove is located the uide bushing top, be equipped with the joint circle in the snap ring groove.

Furthermore, the valve body is provided with a valve hole communicated with the installation shell along the axis direction, the valve core is movably inserted into the valve hole, and the valve hole is communicated with the vent hole.

Furthermore, a second sealing ring is arranged between the valve core and the valve hole, the second sealing ring is embedded on the outer circle of the valve core, and the outer circle of the second sealing ring is tightly matched with the inner wall of the valve hole.

Furthermore, a necking is arranged at the lower part of the valve hole and is positioned below the vent hole, and the diameter of the valve hole below the necking is smaller than the size of the valve core.

Further, the top of valve body is equipped with the detachable apron, the top of valve body with be equipped with first sealing washer between the apron, first sealing washer cover is established the periphery of valve opening export, the one end of first sealing washer is inlayed and is established in the valve body, the other end of first sealing washer with apron in close contact with.

Compared with the prior art, the utility model discloses the beneficial effect who has does:

(1) the utility model discloses an anti-overflow air defense integral type device adopts criss-cross valve body inner structure, through the cooperation of floater and case, realizes the switching of criss-cross valve body when high liquid level, lets jar body and external intercommunication, stops to carry sewage, reduces vacuum, avoids equipment to be destroyed.

(2) The utility model discloses an anti-overflow air defense integral type device, the function in an organic whole of two kinds of integrated valves, simple structure, the size is little, powerful, the sexual valence relative altitude.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

fig. 1 is a schematic structural view of the whole of the present invention;

FIG. 2 is a schematic structural view of the present invention with the movable mechanism removed;

FIG. 3 is a schematic view of the structure of the view along the direction C of FIG. 2;

FIG. 4 is a schematic structural view of the floating ball and the tank body of the present invention;

FIG. 5 is a schematic structural view of the clamping ring of the present invention;

FIG. 6 is an enlarged partial schematic view of FIG. 1 at A;

FIG. 7 is a partially enlarged schematic view of FIG. 1 at B;

in the figure, 1-cover plate, 2-axis, 3-valve body, 4-vent hole, 5-installation shell, 6-air suction port, 7-tank body, 8-guide sleeve, 9-floating ball, 10-connecting rod, 11-valve hole, 12-valve core, 13-reset spring, 14-connecting plate, 15-matching hole, 16-semicircular hole, 17-necking, 18-connecting hole, 19-clamping ring groove, 20-clamping ring, 21-second sealing ring and 22-first sealing ring.

Detailed Description

The technical solution of the present invention will be further described in detail with reference to the following detailed description, but the present invention is not limited thereto.

Referring to fig. 1-7, the utility model discloses an anti-overflow air defense integral type device, including installation casing 5, valve body 3 and floater 9, installation casing 5 bottom is through the top intercommunication of bolt and jar body 7, and one side of installation casing 5 still is equipped with induction port 6 with the vacuum pump intercommunication. The top of installation casing 5 is fixedly connected with valve body 3, and valve body 3 bottom inserts in installation casing 5. The top of the mounting shell 5 is fixedly connected with a valve body 3, a valve core 12 is movably inserted in the valve body 3, the valve core 12 can move up and down in the valve body 3, and a return spring 13 is arranged in the valve body 3 above the valve core 12. The valve body 3 on both sides of the valve core 12 is provided with a vent hole 4 communicated with the outside, and the vent hole 4 is blocked by the valve core 12. The floating ball 9 is positioned in the tank body 7, the top of the floating ball 9 is provided with a connecting rod 10, and one end of the connecting rod 10 upwards penetrates through the mounting shell 5 and can be inserted in the valve body 3 below the valve core 12 in a sliding manner. After the liquid in the tank body 7 rises to a certain height, the floating ball 9 floats upwards along with the rise of the liquid level, the connecting rod 10 is driven to extrude the valve core 12 and the return spring 13, the air suction port 6 is forced to be communicated with the vent hole 4, and the air pressure in the tank body 7 is increased.

Preferably, the bottom of the installation shell 5 is provided with a connecting plate 14, two semicircular holes 16 are symmetrically arranged on two sides of the connecting plate 14, a connecting hole 18 is arranged on the top of the tank body 7, the semicircular holes 16 are communicated with the connecting hole 18, the inner space of the installation shell 5 is communicated with the inner space of the tank body 7 through the semicircular holes 16 and the connecting hole 18, the air in the tank body 7 is conveniently sucked by the air suction port 6 through a vacuum pump, the air pressure in the tank body 7 is reduced, and pollution discharge is carried out towards the tank body 7 through the atmospheric pressure.

Preferably, the middle part of the connecting plate 14 is fixedly connected with a guide sleeve 8, the connecting plate 14 is further provided with a matching hole 15 matched with the guide sleeve 8, and the connecting rod 10 is movably inserted into the guide sleeve 8. The connecting plate 14 can enhance the strength of the mounting shell 5, the guide sleeve 8 is fixedly connected with the connecting plate 14, and the connection strength of the guide sleeve 8 can be ensured when the floating ball 9 is impacted by various liquid levels.

Preferably, the upper part of the connecting rod 10 is provided with a snap ring groove 19, the snap ring groove 19 is positioned above the guide sleeve 8, and a snap ring 20 is arranged in the snap ring groove 19. The clamping ring 20 is clamped on the clamping ring groove 19, so that the connecting rod 10 can be prevented from sliding out of the guide sleeve 8.

Preferably, the valve body 3 is provided with a valve hole 11 communicated with the mounting shell 5 along the direction of the axis 2, the valve core 12 is movably inserted into the valve hole 11, the valve hole 11 is communicated with the vent hole 4, and the valve hole 11 and the vent hole 4 form a cross-shaped through inner cavity structure, so that the communication and the closing between the tank body 7 and the outside can be conveniently regulated and controlled through the valve core 12.

Preferably, a second sealing ring 21 is arranged between the valve core 12 and the valve hole 11, the second sealing rings 21 are respectively embedded on the outer circle of the valve core 12, and the outer circle of the second sealing ring 21 is tightly matched with the inner wall of the valve hole 11. The second seal ring 21 provides a tight seal to prevent the valve body 12 from leaking gas in a state of closing the vent hole 4, and to allow the air inlet 6 to communicate with the outside. The normal operation of the device is guaranteed.

Preferably, the lower part of the valve hole 11 is provided with a necking 17, the necking 17 is positioned below the vent hole 4, and the diameter of the valve hole 11 below the necking 17 is smaller than the size of the valve core 12. The lowest position of the valve core 12 is limited through the necking part 17, so that the situation that the valve core 12 moves downwards and the vent hole 4 cannot be sealed and blocked well due to the aging of the return spring 13 in use is prevented.

Preferably, a first sealing ring 22 is arranged between the top of the valve body 3 and the cover plate 1, the first sealing ring 22 is sleeved on the periphery of the outlet of the valve hole 11, one end of the first sealing ring 22 is embedded in the valve body 3, and the other end of the first sealing ring 22 is in close contact with the cover plate 1. With the design of the first sealing ring 22, the valve core 12 and the valve hole 11 can be isolated from the outside, preventing contamination, while maintaining the airtightness of the inside.

The utility model discloses a theory of operation is: the utility model discloses an anti-overflow air defense device is during the use, reset spring 13 presses case 12 in throat 17 department, air vent 4 is plugged up to case 12, keep apart the internal portion of jar 7 with outside atmosphere, along with the continuous operation with the vacuum pump of induction port 6 intercommunication, atmospheric pressure in the jar body 7 reduces, outside foul solution is under the effect of atmospheric pressure, pressed into in the jar body 7, along with the foul solution in the jar body 7 constantly increases, the liquid level rises, floater 9 floats at the liquid level, floater 9 can be along with the rising and the come-up of liquid level, drive connecting rod 10 upwards remove and extrude case 12 and reset spring 13, when the liquid level reachs the settlement height, case 12 is pushed open, make induction port 6 and air vent 4 intercommunication, the air inflow jar internal 7, jar body 7 atmospheric pressure is unanimous with the external world, stop to carry foul solution in jar body 7.

The above description is only for the preferred embodiment of the present invention, and all modifications, equivalents, improvements and the like made within the spirit and scope of the present invention should be included in the protection scope of the present invention.

Claims

1. An anti-overflow and anti-air-lock integrated device is characterized by comprising an installation shell (5), a valve body (3) and a floating ball (9), wherein the bottom of the installation shell (5) is communicated with the top of a tank body (7), and one side of the installation shell (5) is also provided with an air suction port (6) communicated with a vacuum pump; the top of the mounting shell (5) is fixedly connected with a valve body (3), a valve core (12) is movably inserted in the valve body (3), a return spring (13) is arranged in the valve body (3) above the valve core (12), and vent holes (4) communicated with the outside are formed in the valve body (3) on two sides of the valve core (12); the floating ball (9) is positioned in the tank body (7), the top of the floating ball (9) is provided with a connecting rod (10), and one end of the connecting rod (10) upwards penetrates through the mounting shell (5) and can be inserted in the valve body (3) below the valve core (12) in a sliding manner.

2. An anti-overflow and air-defense integrated device as claimed in claim 1, characterized in that a connecting plate (14) is arranged at the bottom of the mounting shell (5), two semicircular holes (16) are symmetrically arranged at two sides of the connecting plate (14), a connecting hole (18) is arranged at the top of the tank body (7), and the semicircular holes (16) are communicated with the connecting hole (18).

3. An anti-overflow and anti-empty integrated device as claimed in claim 2, characterized in that a guide sleeve (8) is fixedly connected to the middle of the connecting plate (14), a matching hole (15) matched with the guide sleeve (8) is further formed in the connecting plate (14), and the connecting rod (10) is movably inserted into the guide sleeve (8).

4. An anti-overflow and air-defense integrated device according to claim 3, characterized in that the upper part of the connecting rod (10) is provided with a snap ring groove (19), the snap ring groove (19) is positioned above the guide sleeve (8), and a snap ring (20) is arranged in the snap ring groove (19).

5. An anti-overflow and anti-air-lock integrated device as claimed in claim 1, wherein the valve body (3) is provided with a valve hole (11) communicated with the mounting shell (5) along the direction of the axis (2), the valve core (12) is movably inserted into the valve hole (11), and the valve hole (11) is communicated with the vent hole (4).

6. An anti-overflow and air-defense integrated device according to claim 5, characterized in that a second sealing ring (21) is arranged between the valve core (12) and the valve hole (11), the second sealing ring (21) is embedded on the outer circle of the valve core (12), and the outer circle of the second sealing ring (21) is tightly matched with the inner wall of the valve hole (11).

7. An anti-overflow and anti-air-lock integrated device as claimed in claim 6, characterized in that the lower part of the valve hole (11) is provided with a reducing opening (17), the reducing opening (17) is positioned below the vent hole (4), and the diameter of the valve hole (11) below the reducing opening (17) is smaller than the size of the valve core (12).

8. An anti-overflow and air-defense integrated device as claimed in claim 7, characterized in that a detachable cover plate (1) is arranged on the top of the valve body (3), a first sealing ring (22) is arranged between the top of the valve body (3) and the cover plate (1), the first sealing ring (22) is sleeved on the periphery of the outlet of the valve hole (11), one end of the first sealing ring (22) is embedded in the valve body (3), and the other end of the first sealing ring (22) is in close contact with the cover plate (1).