CN213711995U

CN213711995U - Automatic switching type one-way air valve

Info

Publication number: CN213711995U
Application number: CN202022638903.6U
Authority: CN
Inventors: 樊品良; 樊天程
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-16
Filing date: 2020-11-16
Publication date: 2021-07-16
Anticipated expiration: 2030-11-16

Abstract

The utility model discloses an automatic switching one-way air valve, which comprises a valve body and a valve core, wherein the middle part of the valve body is provided with a support frame, and the middle part of the support frame is provided with a connecting shaft part extending rightwards; the valve core comprises a conical main body part and a connecting shaft sleeve part, the connecting shaft sleeve part is located in the conical main body part, the connecting shaft part is inserted in the connecting shaft sleeve part, the outer side wall of the conical main body part is a conical wall surface, the inner side wall in the right part of the valve body is an inner conical wall surface, and the outer side wall of the conical main body part is matched with the inner conical wall surface. The air inlet fan is installed on an air inlet connecting pipe of a pneumatic system, the air inlet connecting pipe can be directly closed when an air inlet fan on the air inlet connecting pipe is stopped, gas backflow in a tank body connected with the end portion of the air inlet connecting pipe cannot be caused, the motor of the air inlet fan is protected to be normally used, the effect of stopping and opening the air inlet fan immediately is achieved, and the energy-saving effect is good.

Description

Automatic switching type one-way air valve

The technical field is as follows:

the utility model relates to a check valve equipment technical field, more specifically say and relate to an automatic switching formula check valve.

Background art:

in the existing pneumatic system, one end of a tank body is generally communicated with a connecting pipe, the side wall of the middle part of the connecting pipe is communicated with a side exhaust pipe, a first control valve is arranged on the side exhaust pipe, a second control valve is arranged at the position of the connecting pipe close to the tank body, the other end of the connecting pipe is connected with an air inlet fan, a large amount of air is blown into the tank body through the air inlet fan, when the air in the tank body is stored to a certain amount, the second control valve is closed, the first control valve is opened, and then the air inlet fan is closed, so that the air inlet fan can be closed, but the air inlet fan cannot be directly closed when the second control valve is not closed, the gas in the tank body can reversely flow to enable an impeller in the air inlet fan to reversely rotate, and motors of the air inlet fan in a general pneumatic system are all special irreversible motors, so that the motors can be burnt;

set up first control valve on the connecting pipe among the pneumatic system of current, set up the second control valve on the side blast pipe for it makes troublesome, and the effect is poor, can't realize air intake fan's stopping immediately moreover, and the energy consumption is high.

The utility model has the following contents:

the utility model aims at overcoming prior art's is not enough, provides an automatic switch-over formula one-way pneumatic valve, and it is installed on pneumatic system's air inlet connection pipe, can directly close the air inlet connection pipe when the air inlet fan on the air inlet connection pipe shuts down, can not make the gas reflux in the jar body that the tip expert of air inlet connection pipe connects, and the motor normal use of protection air inlet fan realizes the effect of stopping promptly and opening promptly of air inlet fan, and is energy-conserving effectual.

The utility model provides a technical problem's scheme is:

an automatic switching type one-way air valve comprises a valve body and a valve core, wherein a support frame is arranged in the middle of the valve body, and a connecting shaft part extending rightwards is arranged in the middle of the support frame;

the valve core comprises a conical main body part and a connecting shaft sleeve part, the connecting shaft sleeve part is located in the conical main body part, the connecting shaft part is inserted in the connecting shaft sleeve part, the outer side wall of the conical main body part is a conical wall surface, the inner side wall in the right part of the valve body is an inner conical wall surface, and the outer side wall of the conical main body part is matched with the inner conical wall surface.

An annular groove is formed in the inner conical wall surface, the sealing ring is nested in the annular groove, and the inner side wall of the sealing ring extends out of the annular groove and is pressed against the outer side wall of the conical main body part.

The valve body includes that the left side connects the casing and connects the casing on the right side, and the left end middle part shaping of connecting the casing on the left side has the left side that extends to connect the conduction portion, and the right-hand member middle part shaping of connecting the casing on the right side has the right side that extends to connect the conduction portion, and the right-hand member inside wall shaping of connecting the casing on the left side has the internal thread, and the left end lateral wall shaping of connecting the casing on the right side has the external screw thread, and the right-hand member of connecting the casing on the left.

The support frame includes the ring body, and the ring body card is put and is fixed on the inside wall of the fashioned ring channel on the right-hand member inside wall of left side connection casing, and the shaping has a plurality of bracing pieces on the inside wall of ring body, and the inner shaping of all bracing pieces is on the left part lateral wall of connecting the axial region.

All the support rods are uniformly distributed on the outer side wall of the connecting shaft part by taking the central axis of the connecting shaft part as the center.

The section of the annular groove is trapezoidal, and the width of the inner wall surface of the annular groove is larger than that of the outer side.

And a detection through hole is formed in the side wall of the right connecting conduction part of the right connecting shell.

The tapered main body part is a hollow tapered shell part, a plurality of inner oblique supporting plates are formed on the inner side wall of the tapered main body part, the connecting shaft sleeve part is inserted in the tapered main body part, and the side wall of each inner oblique supporting plate is formed on the outer side wall of the connecting shaft sleeve part.

An annular mounting groove is formed in the inner side wall of the end portion of the connecting shaft sleeve portion, the wear-resistant sleeve is clamped on the inner side wall of the annular mounting groove, and the connecting shaft portion is inserted in the wear-resistant sleeve.

The utility model discloses an outstanding effect is:

the air inlet fan is installed on an air inlet connecting pipe of a pneumatic system, the air inlet connecting pipe can be directly closed when an air inlet fan on the air inlet connecting pipe is stopped, gas backflow in a tank body connected with the end portion of the air inlet connecting pipe cannot be caused, the motor of the air inlet fan is protected to be normally used, the effect of stopping and opening the air inlet fan immediately is achieved, and the energy-saving effect is good.

Description of the drawings:

FIG. 1 is a schematic view of a partial structure of the present invention

Fig. 2 is a partial side view of the present invention;

fig. 3 is a partial cross-sectional view of the present invention;

fig. 4 is a partial cross-sectional view of the present invention with an angle changed.

The specific implementation mode is as follows:

in the embodiment, as shown in fig. 1 to 4, an automatic switching one-way air valve comprises a valve body 10 and a valve core 20, wherein a support frame 30 is arranged in the middle of the valve body 10, and a connecting shaft part 31 extending rightwards is arranged in the middle of the support frame 30;

the valve core 20 comprises a conical main body portion 21 and a connecting shaft sleeve portion 22, the connecting shaft sleeve portion 22 is located in the conical main body portion 21, the connecting shaft portion 31 is inserted and sleeved in the connecting shaft sleeve portion 22, the outer side wall of the conical main body portion 21 is a conical wall surface, the inner side wall in the right portion of the valve body 10 is an inner conical wall surface 11, and the outer side wall of the conical main body portion 21 is matched with the inner conical wall surface 11.

The valve core 20 is made of plastic material.

Furthermore, an annular groove is formed on the inner conical wall surface 11, the sealing ring 1 is nested in the annular groove, and the inner side wall of the sealing ring 1 extends out of the annular groove and is pressed against the outer side wall of the conical main body part 21.

Further, the valve body 10 includes that casing 12 and right side are connected to the left side and casing 13 is connected to the right side, and the left end middle part shaping of casing 12 is connected to the left side has the left side that extends to connect conduction portion 121, and the right-hand member middle part shaping of casing 13 is connected to the right side has the right side that extends to connect conduction portion 131, and the right-hand member inside wall shaping of casing 12 is connected to the left side has the internal thread, and the left end lateral wall shaping of casing 13 is connected to the right side has the external screw thread, and the right-hand member of casing 12 is connected with the left end spiro.

Further, the supporting frame 30 includes an annular body 32, the annular body 32 is fixed on an inner side wall of an annular groove formed on an inner side wall of a right end of the left connecting casing 12 in a clamping manner, a plurality of supporting rods 33 are formed on the inner side wall of the annular body 32, and inner ends of all the supporting rods 33 are formed on a left outer side wall of the connecting shaft 31.

Further, all the support rods 33 are uniformly distributed on the outer side wall of the connecting shaft portion 31 with the central axis of the connecting shaft portion 31 as the center.

Further, the section of the annular groove is trapezoidal, and the width of the inner wall surface of the annular groove is larger than that of the outer side.

Further, a detection through hole 132 is formed on a sidewall of the right connection conduction part 131 of the right connection housing 13.

Further, the conical main body 21 is a conical shell member with a hollow interior, and a plurality of inner inclined support plates 211 are formed on the inner side wall of the conical main body 21, the connecting sleeve portion 22 is inserted into the interior of the conical main body 21, and the side walls of the inner inclined support plates 211 are formed on the outer side wall of the connecting sleeve portion 22.

Further, an annular mounting groove 221 is formed on the inner side wall of the end portion of the connecting shaft sleeve portion 22, the wear-resistant sleeve 2 is clamped on the inner side wall of the annular mounting groove 221, and the connecting shaft portion 31 is inserted and sleeved in the wear-resistant sleeve 2.

The working principle is as follows: when the air pressure sensor is used, the right connecting conduction part 131 is communicated with an air inlet connecting pipe, the left connecting conduction part 121 is communicated with an air outlet connecting pipe, the air inlet connecting pipe is communicated with an air inlet fan, the air outlet connecting pipe is communicated with a tank body, and the sensing end of the air pressure sensor can extend into the detection through hole 132, so that the air pressure at the right connecting conduction part 131 can be detected constantly, and meanwhile, the outer end of the detection through hole 132 can be covered and sealed by other connecting parts of the air pressure sensor;

when the gas-filling device is used, the gas-inlet fan operates to make gas enter the right connecting conduction part 131 from the gas-inlet connecting pipe, and the valve core 20 is pushed leftwards along the connecting shaft part 31 by wind pressure, so that the gas can enter the left connecting shell 12 and enter the tank body through the gas-outlet connecting pipe to be filled, generally, a pressure sensor is arranged on the tank body, the sensing end of the pressure sensor extends into the tank body to constantly detect the internal air pressure, when the pressure detects a set value, a detection signal can be transmitted to the control host, the control host controls the gas-inlet fan to stop operating, at the moment, the external pressure is smaller than the pressure of the tank body, the gas in the tank body can be pushed outwards, the valve core 20 is moved rightwards along the connecting shaft part 31, so that the outer side wall of the conical main body part 21 is pressed on the inner side wall of the sealing ring 1 to, therefore, the fan blades of the air inlet fan cannot be driven to rotate reversely by the gas flowing out reversely, the motor of the air inlet fan cannot be burnt, and the service life of the air inlet fan is guaranteed.

The motor of the air inlet fan can be stopped and started immediately, and the energy-saving effect is good.

The above embodiments are only used for illustrating the present invention, and not for limiting the present invention, and those skilled in the relevant technical field can make various changes and modifications without departing from the spirit and scope of the present invention, so that all equivalent technical solutions also belong to the scope of the present invention, and the protection scope of the present invention should be defined by the claims.

Claims

1. The utility model provides an automatic switching formula check valve, includes valve body (10) and case (20), its characterized in that: a support frame (30) is arranged in the middle of the valve body (10), and a connecting shaft part (31) extending rightwards is arranged in the middle of the support frame (30);

the valve core (20) comprises a conical main body part (21) and a connecting shaft sleeve part (22), the connecting shaft sleeve part (22) is located in the conical main body part (21), the connecting shaft part (31) is inserted and sleeved in the connecting shaft sleeve part (22), the outer side wall of the conical main body part (21) is a conical wall surface, the inner side wall in the right part of the valve body (10) is an inner conical wall surface (11), and the outer side wall of the conical main body part (21) is matched with the inner conical wall surface (11).

2. The automatic switching type one-way air valve according to claim 1, characterized in that: an annular groove is formed in the inner conical wall surface (11), the sealing ring (1) is nested in the annular groove, and the inner side wall of the sealing ring (1) extends out of the annular groove and is pressed against the outer side wall of the conical main body part (21).

3. The automatic switching type one-way air valve according to claim 1, characterized in that: valve body (10) connect casing (12) and right side including a left side and connect casing (13), the left end middle part shaping of connecting casing (12) on a left side has left side connection conduction portion (121) that extends left, the right-hand member middle part shaping of connecting casing (13) on the right side has right side connection conduction portion (131) that extends right, the right-hand member inside wall shaping of connecting casing (12) on a left side has the internal thread, the left end lateral wall shaping of connecting casing (13) on the right side has the external screw thread, the right-hand member of connecting casing (12) on a left side is fixed with the left end spiro union of connecting casing (13) on the right side.

4. An automatic switching type one-way gas valve according to claim 3, characterized in that: the support frame (30) includes ring body (32), and ring body (32) card is put and is fixed on the inside wall of the fashioned ring channel on the right-hand member inside wall of left side connection casing (12), and the shaping has a plurality of bracing pieces (33) on the inside wall of ring body (32), and the inner shaping of all bracing pieces (33) is on the left part outside wall of connecting axial region (31).

5. The automatic switching type one-way air valve according to claim 4, characterized in that: all the support rods (33) are uniformly distributed on the outer side wall of the connecting shaft part (31) by taking the central axis of the connecting shaft part (31) as the center.

6. The automatic switching type one-way air valve according to claim 2, characterized in that: the section of the annular groove is trapezoidal, and the width of the inner wall surface of the annular groove is larger than that of the outer side.

7. The automatic switching type one-way air valve according to claim 3, characterized in that: and a detection through hole (132) is formed on the side wall of the right connecting conduction part (131) of the right connecting shell (13).

8. The automatic switching type one-way air valve according to claim 1, characterized in that: the tapered main body part (21) is a tapered shell part with a hollow interior, a plurality of inner oblique supporting plates (211) are formed on the inner side wall of the tapered main body part, the connecting shaft sleeve part (22) is inserted and sleeved in the tapered main body part (21), and the side wall of each inner oblique supporting plate (211) is formed on the outer side wall of the connecting shaft sleeve part (22).

9. The automatic switching type one-way air valve according to claim 1, characterized in that: an annular mounting groove (221) is formed in the inner side wall of the end portion of the connecting shaft sleeve portion (22), the wear-resistant sleeve (2) is clamped on the inner side wall of the annular mounting groove (221), and the connecting shaft portion (31) is inserted in the wear-resistant sleeve (2).