CN209762264U

CN209762264U - Sealing air valve

Info

Publication number: CN209762264U
Application number: CN201821731831.6U
Authority: CN
Inventors: 董林
Original assignee: Tangshan Tonghai Purification Equipment Co Ltd
Current assignee: Tangshan Tonghai Purification Equipment Co Ltd
Priority date: 2018-10-25
Filing date: 2018-10-25
Publication date: 2019-12-10
Anticipated expiration: 2028-10-25

Abstract

The embodiment of the utility model discloses a sealed blast gate, including casing, the drive shaft that passes the casing, connect in the closed plate and the spacing axle that the drive shaft set up in the casing, wherein, the casing is cuboid, and the casing top is the air intake, and the bottom is the air outlet, and one end of drive shaft passes the casing and connects in the closed version that sets up in the casing, can close or open sealed blast gate when the drive shaft rotates; the driving shaft is sleeved with the shaft sleeve, and the sleeve is arranged between the shaft sleeve and the shell; wherein, the one end of spacing axle is connected in the casing, is located the drive shaft below or top. The sealing air valve has the advantages of longer service life, leakage prevention, capability of detecting the sealing air valve tightness and capability of adjusting the opening and closing angle.

Description

sealing air valve

Technical Field

The utility model relates to a sealed blast gate technical field, concretely relates to sealed blast gate.

background

The existing sealing air valve has no stable and firm leakage-proof device at the position where the driving shaft penetrates through the shell, the leakage phenomenon is easy to occur at the position, safety accidents are easy to cause, the existing sealing air valve also has no leakage-detecting function, whether the sealing valve is closed in place or not can not be known when the sealing valve is closed, the sealing and isolating effects are realized, once the phenomenon that the sealing valve is not closed in place is not found, gas leakage is caused, and major safety problems can occur. Moreover, the existing sealing air valve cannot control the opening and closing angle, and is inconvenient to use.

Therefore, it is necessary to develop a sealing air valve which has a longer service life, is leak-proof, can detect the sealing performance of the sealing air valve, and can adjust the opening and closing angle.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model provides a sealing air valve, which comprises a shell, a driving shaft passing through the shell, a closing plate connected with the driving shaft and arranged in the shell, and a limiting shaft,

The shell is cuboid, the top of the shell is provided with an air inlet, the bottom of the shell is provided with an air outlet, one end of the driving shaft penetrates through the shell to be connected with a closed plate arranged in the shell, and the sealing air valve can be closed or opened when the driving shaft rotates;

The connecting part of the driving shaft and the shell is provided with a sleeve and a shaft sleeve, the shaft sleeve is sleeved on the driving shaft, and the sleeve is arranged between the shaft sleeve and the shell;

Wherein, the one end of spacing axle is connected to the casing, is located drive shaft below or top.

Optionally, an included angle between a connecting line between the central point of the limit shaft and the central point of the driving shaft and the vertical direction of the housing is 60-90 °.

optionally, the air valve further comprises two connecting flange plates, wherein the two connecting flange plates are respectively arranged at the top and the bottom of the shell and used for installing and fixing the sealing air valve.

Optionally, the air guide device further comprises an air guide tube and a mounting plate, wherein a through hole is formed in the shell, the air guide tube is inserted into the through hole, and the mounting plate is used for being mounted on the outer side of the shell and covering the through hole.

Optionally, two threaded grooves are formed in the shell and located on two sides of the through hole, mounting holes opposite to the threaded grooves are formed in two sides of the mounting plate, and the mounting plate is arranged on the shell through the mounting holes and the threaded grooves.

Optionally, the shell further comprises side guide grooves, the two side guide grooves are oppositely arranged on the side wall of the inner side of the shell, and one of the two side guide grooves and the limiting shaft are arranged on the same side wall of the shell.

Optionally, the device further comprises an actuator mounting plate buckled on the shell.

Optionally, the drive device further comprises a drive motor, the drive motor is mounted on the actuator mounting plate, and an output shaft of the drive motor passes through the actuator mounting plate and is connected to the drive shaft.

Optionally, the sleeve is made of an elastic material.

Optionally, the shape of the closing plate is matched with the cross section of the casing, and when the driving shaft drives the closing plate to rotate and the closing plate is parallel to the cross section of the casing, the sealing air valve is closed.

Has the advantages that:

1) Through the setting of drive shaft and spacing axle, drive opening and the closure of the sealed blast gate of closing plate rotation control through adjusting the drive shaft, replace traditional mechanical type closure on the one hand, rotate the number of turns through the control drive shaft and can control closing plate opening angle, the control amount of wind, on the other hand is through the setting of spacing axle, plays limiting displacement to the closing plate, when closed version and spacing axle contact, can judge to know that sealed blast gate opens completely, and it is more convenient to use.

2) Through the setting of sleeve pipe and axle sleeve, when the drive shaft passed the casing, can seal the junction of drive shaft and casing, prevent to leak.

3) Through the setting of air duct, when the sealed blast gate leakproofness of needs inspection, dismantle the mounting panel, aerify through the air duct in to the casing and can know sealed blast gate whether airtight through observing inflation pressure, when the corrosive gas of needs emission in sealed blast gate internal deposit, dismantle the mounting panel equally and can exhaust, in sealed blast gate normal use, can avoid the emergence of gas leakage phenomenon at casing fixed surface mounting panel.

Drawings

Fig. 1 is a schematic structural view of an embodiment of a sealing air valve of the present invention;

Fig. 2 is a front view of an embodiment of a sealing damper of the present invention;

Fig. 3 is a left side view of an embodiment of a sealing damper of the present invention;

Fig. 4 is a top view of an embodiment of a sealing damper of the present invention;

FIG. 5 is a schematic view of the embodiment of the sealing damper of the present invention with the drive shaft passing through the housing;

Fig. 6 is a schematic structural view of the position of the air duct of an embodiment of the sealing air valve of the present invention; wherein:

The device comprises a shell 1, a driving shaft 2, a limiting shaft 3, an air inlet 4, a sleeve 5, a shaft sleeve 6, a connecting flange plate 7, an air guide pipe 8, a mounting plate 9, a side guide groove 10 and an actuating mechanism mounting plate 11.

Detailed Description

The technical scheme of the utility model is described in detail with the accompanying drawings.

example 1

fig. 1 is a schematic structural view of an embodiment of a sealing air valve of the present invention; fig. 2 is a front view of an embodiment of a sealing damper of the present invention; fig. 3 is a left side view of an embodiment of a sealing damper of the present invention; fig. 4 is a top view of an embodiment of a sealing damper of the present invention; FIG. 5 is a schematic view of the embodiment of the sealing damper of the present invention with the drive shaft passing through the housing; fig. 6 is a schematic structural diagram of the position of the air duct according to an embodiment of the present invention.

As shown in fig. 1 to 6, the sealing air valve comprises a housing 1, a driving shaft 2 penetrating through the housing 1, a closing plate (not shown) connected to the driving shaft 2 and arranged in the housing 1, and a limiting shaft 3,

The casing 1 is cuboid, the top of the casing 1 is provided with an air inlet 4, the bottom of the casing 1 is provided with an air outlet, one end of the driving shaft 2 penetrates through the casing 1 and is connected to a closed plate arranged in the casing 1, and the sealing air valve can be closed or opened when the driving shaft 2 rotates;

A sleeve 5 and a shaft sleeve 6 are arranged at the joint of the driving shaft 2 and the shell 1, the shaft sleeve 6 is sleeved on the driving shaft 2, and the sleeve 5 is arranged between the shaft sleeve 6 and the shell 1;

One end of the limiting shaft 3 is connected to the housing 1 and is located below or above the driving shaft 2.

Specifically, during the use, rotate through drive shaft 2, drive the closure plate and rotate, when the closure plate was parallel with 1 cross section direction of casing, sealed blast gate was closed, when there was angular deviation in closure plate and the 1 horizontal direction of casing, sealed blast gate opened. When the closing plate is contacted with the limiting shaft 3, the sealing air valve is judged to be completely opened.

Specifically, through the setting of drive shaft 2 and spacing axle 3, drive opening and the closure of the sealed blast gate of closing plate rotation control through adjusting drive shaft 2, replace traditional mechanical type closure on the one hand, rotate the number of turns through control drive shaft 2 and can control the closing plate opening angle, the control amount of wind, on the other hand is through the setting of spacing axle 3, play limiting displacement to the closing plate, when closed version and spacing axle 3 contact, can judge to learn to open completely sealed blast gate, it is more convenient to use. By arranging the sleeve 5 and the shaft sleeve 6, when the driving shaft 2 passes through the shell 1, the joint of the driving shaft 2 and the shell 1 can be sealed, and leakage can be prevented.

More preferably, the limiting shaft 3 is positioned below the driving shaft 2, and the arrangement mode is convenient for maintenance of the sealing air valve and disassembly and assembly of the closing plate.

furthermore, the included angle between the connecting line of the central point of the limit shaft 3 and the central point of the driving shaft 2 and the vertical direction of the shell 1 is 60-90 degrees.

more preferably, the included angle between the connecting line of the central point of the limiting shaft 3 and the central point of the driving shaft 2 and the vertical direction of the shell 1 is 80-90 degrees. When the closing plate is in contact with the limiting shaft 3, the sealing air valve can be judged to be completely opened, and the sealing air valve can be conveniently controlled.

further, still include flange plate 7, flange plate 7 is two, set up respectively at the top and the bottom of casing 1 for the installation is fixed sealed blast gate.

Particularly, the connecting flanges are simultaneously installed at the top and the bottom, so that the sealing air valve is convenient to install and fix, and the sealing air valve is more stable to install.

further, the air guide device further comprises an air guide tube 8 and a mounting plate 9, a through hole is formed in the shell 1, the air guide tube 8 is inserted into the through hole, and the mounting plate 9 is used for being mounted on the outer side of the shell 1 and covering the through hole.

Further, two threaded grooves are formed in the shell 1 and located on two sides of the through hole, mounting holes are formed in two sides of the mounting plate 9 and are opposite to the threaded grooves, and the mounting plate 9 passes through the mounting holes and the threaded grooves and is arranged on the shell 1.

specifically, through the setting of air duct 8, when needs inspection sealed blast gate seal tightness, dismantle mounting panel 9, through 8 aerifys in to casing 1 through the air duct and can know sealed blast gate whether airtight through observing inflation pressure, when the corrosive gas that needs the emission to deposit in sealed blast gate, dismantle mounting panel 9 equally and can exhaust, in sealed blast gate normal use, can avoid the emergence of the phenomenon of bleeding at casing 1 fixed surface mounting panel 9.

Further, the portable electronic device further comprises side guide grooves 10, the side guide grooves 10 are two side walls which are oppositely arranged on the inner side of the shell 1, and one of the side guide grooves 10 and the limiting shaft 3 are arranged on the same side wall of the shell 1.

specifically, the installation of the sealing air valve is facilitated through the arrangement of the side guide groove 10, and the positioning of the sealing air valve is facilitated.

Further, the device also comprises an actuating mechanism mounting plate 11, and the actuating mechanism mounting plate 11 is buckled on the shell 1.

Further, a driving motor (not shown) is further included, the driving motor is mounted on the actuator mounting plate 11, and an output shaft of the driving motor passes through the actuator mounting plate 11 and is connected to the driving shaft 2.

Specifically, the driving shaft 2 is driven by the driving motor to rotate, so that the opening and closing of the sealing air valve can be controlled.

Further, the sleeve 5 is made of an elastic material.

Further, the shape of the closing plate is matched with the section of the shell 1, and when the driving shaft 2 drives the closing plate to rotate and the closing plate is parallel to the section of the shell 1, the sealing air valve is closed.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A sealing air valve is characterized by comprising a shell, a driving shaft penetrating through the shell, a closing plate connected with the driving shaft and arranged in the shell, and a limiting shaft,

2. The sealing air valve according to claim 1, wherein an included angle between a connecting line of a central point of the limiting shaft and a central point of the driving shaft and a vertical direction of the housing is 60-90 °.

3. The sealing air valve as claimed in claim 1, further comprising two connecting flange plates respectively disposed at the top and the bottom of the housing for mounting and fixing the sealing air valve.

4. The sealing air valve according to claim 1, further comprising an air duct and a mounting plate, wherein the housing is provided with a through hole, the air duct is inserted into the through hole, and the mounting plate is mounted outside the housing and covers the through hole.

5. the sealing air valve as claimed in claim 4, wherein the housing is formed with two threaded grooves on both sides of the through hole, and mounting holes are formed on both sides of the mounting plate opposite to the threaded grooves, and the mounting plate is disposed on the housing through the mounting holes and the threaded grooves.

6. The sealing air valve as claimed in claim 1, further comprising two side guide grooves, wherein the two side guide grooves are oppositely disposed on the inner side wall of the housing, and one of the two side guide grooves and the limiting shaft are disposed on the same side wall of the housing.

7. The seal damper of claim 1, further comprising an actuator mounting plate fastened to the housing.

8. The seal damper of claim 7, further comprising a drive motor mounted to said actuator mounting plate, an output shaft of said drive motor being coupled to said drive shaft through said actuator mounting plate.

9. a sealing damper of claim 1, wherein said sleeve is made of a resilient material.

10. The sealing air valve as claimed in claim 1, wherein the closing plate is shaped to fit the cross section of the housing, and the sealing air valve is closed when the closing plate is rotated by the driving shaft and is parallel to the cross section of the housing.