Exhaust valve assembly with manual exhaust function

Abstract

The utility model discloses an exhaust valve assembly with a manual exhaust function, which comprises an exhaust cavity mechanism, an air inlet, a mounting channel, a connecting cavity, a manual exhaust channel and an automatic exhaust channel are respectively arranged on the exhaust cavity mechanism, and the air inlet is respectively communicated with the mounting channel and the connecting cavity. The manual exhaust channel and the automatic exhaust channel are respectively communicated with the mounting channel and the connecting cavity; the electromagnetic valve mechanism is arranged on the connecting cavity and can seal the automatic exhaust channel; and the pressing mechanism is movably arranged in the mounting channel and can seal the mounting channel. According to the exhaust valve assembly with the manual exhaust function, when manual exhaust is needed, external force acts on the pressing mechanism, the pressing mechanism relieves sealing operation on the installation channel, and therefore manual exhaust operation is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to solenoid valve technical field, especially a kind of exhaust valve assembly with manual exhaust function. BACKGROUND

[0002] Solenoid valve is used to control the industrial equipment of electromagnetic control, to control fluid automation basic element, belongs to actuator, solenoid valve is usually by coil combination structure and magnetic core etc. Part, and solenoid valve is a valve body including one or several holes, coil energization or de-energization, the operation of magnetic core will lead to fluid through valve body or be cut off, to reach the purpose of changing fluid direction.

[0003] Sealed tank generally includes tank body and tank cover matched with each other, tank cover is sealingly and fixedly connected on tank body, in order to facilitate the gas in sealed tank to discharge, generally set up exhaust valve on tank body, control the air pressure in sealed tank through exhaust valve, prevent the air pressure in sealed tank from being too large to cause certain security risk;The exhaust valve in prior art is generally operated by solenoid valve, if power failure or solenoid valve failure, the exhaust valve cannot work normally, which may cause accident to occur;Therefore, an exhaust valve assembly with manual exhaust function is provided to solve the above problems. UTILITY MODEL CONTENTS

[0004] One of the purposes of the utility model is to provide an exhaust valve assembly with manual exhaust function, so as to solve the problem that the existing exhaust solenoid valve cannot exhaust when failure occurs.

[0005] The exhaust valve assembly with manual exhaust function can be realized by the following technical solutions:

[0006] The exhaust valve assembly with manual exhaust function of the utility model is applied to the exhaust process of sealed tank, and includes an exhaust cavity mechanism, which is provided with an air inlet, a mounting channel, a connecting cavity, a manual exhaust channel and an automatic exhaust channel, the air inlet is in communication with the mounting channel and the connecting cavity, and the manual exhaust channel and the automatic exhaust channel are in communication with the mounting channel and the connecting cavity;An electromagnetic valve mechanism is arranged on the connecting cavity and can seal the automatic exhaust channel;A pressing mechanism is movably arranged in the mounting channel and can seal the mounting channel, and when external force acts on the pressing mechanism, the pressing mechanism releases the sealing of the mounting channel.

[0007] In one of the embodiments, the exhaust cavity mechanism includes an exhaust cavity body, a plug screw detachably and sealingly connected to the exhaust cavity body, and a connecting piece fixedly arranged on the exhaust cavity body, and the electromagnetic valve mechanism is fixedly connected to the exhaust cavity body through the connecting piece.

[0008] In one of the embodiments, a plurality of first fixing holes and a plurality of second fixing holes are arranged on the exhaust cavity body respectively; the exhaust cavity body is fixedly connected to the sealing tank body through the plurality of first fixing holes; and the connecting piece is fixedly connected to the exhaust cavity body through the plurality of second fixing holes.

[0009] In one of the embodiments, a plurality of third fixing holes are arranged through the connecting piece, and the positions of the plurality of third fixing holes correspond to the positions of the corresponding second fixing holes.

[0010] In one of the embodiments, the electromagnetic valve mechanism comprises an electromagnetic valve body, an adjustable static iron core structure arranged in the electromagnetic valve body, a movable dynamic iron core structure arranged in the electromagnetic valve body and below the static iron core structure, and a sealing plug fixedly arranged on the dynamic iron core structure and capable of sealing the automatic exhaust passage.

[0011] In one of the embodiments, the static iron core structure comprises a cap threadedly connected to the electromagnetic valve body, and a static iron core body threadedly connected to the cap and arranged in the electromagnetic valve body.

[0012] In one of the embodiments, the pressing mechanism comprises a pressing rod movably arranged in the mounting passage, a sealing member fixedly arranged on the pressing rod and capable of sealing the manual exhaust passage, and an elastic member arranged between the pressing rod and the plug screw.

[0013] In one of the embodiments, the sealing member is a silica gel sealing ring.

[0014] In one of the embodiments, the elastic member is a spring.

[0015] Compared with the prior art, the exhaust valve assembly with the manual exhaust function has the following beneficial effects:

[0016] The exhaust valve assembly with the manual exhaust function is pressed on the pressing rod, so that the pressing rod drives the sealing member to move against the compression force of the elastic member, the sealing member is disconnected from the mounting passage, the gas in the exhaust cavity body enters the mounting passage and the manual exhaust passage in sequence and is discharged, the manual exhaust operation is realized, the problem that the existing exhaust electromagnetic valve cannot exhaust when it fails is effectively solved, and the exhaust valve assembly with the manual exhaust function has the characteristics of simple structure and convenient operation. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly introduced as follows. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained without creative labor on the premise of not paying creative labor.

[0018] Figure 1 is a structural schematic view of a vent valve assembly with a manual exhaust function of the present application;

[0019] Figure 2 is Figure 1 is an exploded structural schematic view of a vent valve assembly with a manual exhaust function of the present application, comprising a vent cavity mechanism and a solenoid valve mechanism;

[0020] Figure 3 is Figure 2 is an exploded structural schematic view of the vent cavity mechanism, comprising a vent cavity main body;

[0021] Figure 4 is Figure 3 is a structural schematic view of the vent cavity main body;

[0022] Figure 5 is Figure 4 is a sectional structural schematic view of the vent cavity main body;

[0023] Figure 6 is Figure 2 is an exploded structural schematic view of the solenoid valve mechanism.

[0024] In the drawings, 10 is a vent valve assembly; 11 is a vent cavity mechanism; 111 is a vent cavity main body; 1111 is an air inlet; 1112 is a mounting channel; 1113 is a connecting cavity; 1114 is a manual exhaust channel; 1115 is an automatic exhaust channel; 1116 is a first fixing hole; 1117 is a second fixing hole; 112 is a plug screw; 113 is a connecting piece; 1131 is a third fixing hole; 1132 is a through hole; 12 is a solenoid valve mechanism; 121 is a solenoid valve main body; 122 is a static core structure; 1221 is a cap; 1222 is a static core main body; 123 is a dynamic core structure; 124 is a sealing plug; 13 is a pressing mechanism; 131 is a pressing rod; 132 is a sealing element; 133 is an elastic element. DETAILED DESCRIPTION

[0025] In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings can be arranged and designed in various different configurations.

[0026] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0027] Referring to Figure 1 and Figure 2 The utility model discloses a kind of exhaust valve assemblies 10 with manual exhaust function, mainly applied to exhaust operation on sealed tank, it includes exhaust cavity mechanism 11, solenoid valve mechanism 12 and pressing mechanism 13;Exhaust cavity mechanism 11 is fixedly and sealingly communicated and arranged on sealed tank;Solenoid valve mechanism 12 is arranged on exhaust cavity mechanism 11, and it controls the automatic exhaust passage 1115 on exhaust valve assembly 10 to be conducted through;Pressing mechanism 13 is movably arranged on exhaust cavity mechanism 11, by external force acting on pressing mechanism 13, so that the manual exhaust passage 1114 on exhaust cavity mechanism 11 is communicated, to realize manual exhaust operation.

[0028] Referring to Figures 1-5 In the embodiment, exhaust cavity mechanism 11 includes exhaust cavity main body 111, plug screw 112 and connecting piece 113;Exhaust cavity main body 111 is exhaust main body;Plug screw 112 is detachably and sealingly threadedly connected on exhaust cavity main body 111, by plug screw 112, pressing mechanism 13 is conveniently installed on exhaust cavity main body 111;Connecting piece 113 is fixedly arranged on exhaust cavity main body 111, and solenoid valve mechanism 12 is fixedly connected on exhaust cavity main body 111 through connecting piece 113.

[0029] Referring to Figures 2-5As shown, specifically, the exhaust cavity body 111 is provided with an air inlet 111, which is in communication with the sealed tank, and the gas in the sealed tank enters the exhaust cavity body 111 through the air inlet 111; opposite ends of the exhaust cavity body 111 are provided with mounting channels 1112 penetratingly arranged, which are in communication with the air inlet 111, and the pressing mechanism 13 is movably penetratingly arranged in the mounting channel 1112 and can seal the mounting channel 1112; the exhaust cavity body 111 is penetratingly provided with a connecting cavity 1113, which is in communication with the air inlet 111, and one end of the electromagnetic valve mechanism 12 is sealingly arranged in the connecting cavity 1113 and can seal the connecting cavity 1113; the exhaust cavity body 111 is respectively provided with a manual exhaust channel 1114 and an automatic exhaust channel 1115; the manual exhaust channel 1114 is in communication with the mounting channel 1112, when external force acts on the pressing mechanism 13, the sealing connection of the pressing mechanism 13 to the mounting channel 1112 is released, and the gas in the exhaust cavity body 111 through the air inlet 111 is sequentially discharged through the mounting channel 1112 and the manual exhaust channel 1114, thereby realizing manual exhaust operation; the automatic exhaust channel 1115 is in communication with the connecting cavity 1113, when the electromagnetic valve mechanism 12 is powered, the electromagnetic valve mechanism 12 releases the sealing connection of the connecting cavity 1113, and the gas in the exhaust cavity body 111 through the air inlet 111 is sequentially discharged through the connecting cavity 1113 and the automatic exhaust channel 1115, thereby realizing automatic exhaust operation. Specifically, the exhaust cavity body 111 is also respectively provided with a plurality of first fixing holes 1116 and a plurality of second fixing holes 1117, and the exhaust cavity body 111 is fixedly connected to the sealed tank body through the plurality of first fixing holes 1116, and the connecting piece 113 is fixedly connected to the exhaust cavity body 111 through the plurality of second fixing holes 1117.

[0030] Please refer to Figures 1-3 As shown, specifically, the connecting piece 113 is penetratingly provided with a plurality of third fixing holes 1131, the positions of the plurality of third fixing holes 1131 correspond to the positions of the corresponding second fixing holes 1117, and the fastening screws are fixedly arranged in the corresponding second fixing holes 1117 through the third fixing holes 1131, thereby fixing the connecting piece 113 to the exhaust cavity body 111; the connecting piece 113 is also penetratingly provided with a through hole 1132, and the position of the through hole 1132 corresponds to the position of the connecting cavity 1113.

[0031] Please refer to Figure 1 , Figure 2 and Figure 6As shown, in this embodiment, the solenoid valve mechanism 12 includes a solenoid valve body 121, a stationary iron core structure 122, a moving iron core structure 123, and a sealing plug 124. The solenoid valve body 121 is a hollow cavity. The stationary iron core structure 122 is adjustablely disposed in the solenoid valve body 121. The moving iron core structure 123 is movably disposed in the solenoid valve body 121 and disposed below the stationary iron core structure 122. When the solenoid valve body 121 is energized, the stationary iron core structure 122 generates a magnetic attraction force to magnetically attract the moving iron core structure 123. The sealing plug 124 is fixedly disposed in the moving iron core structure 123 and can seal the automatic exhaust channel 1115. It moves with the movement of the moving iron core structure 123. Specifically, the stationary iron core structure 122 includes a cap 1221 and a stationary iron core body 1222. The cap 1221 is detachably threaded onto the solenoid valve body 121. The stationary iron core body 1222 is adjustablely threaded onto the cap 1221 and is disposed in the solenoid valve body 121.

[0032] Please see Figure 1 and Figure 2 As shown, in this embodiment, the pressing mechanism 13 includes a pressing rod 131, a sealing element 132, and an elastic element 133. The pressing rod 131 is movably disposed in the mounting channel 1112. The sealing element 132 is fixedly disposed on the pressing rod 131 and can seal the manual exhaust channel 1114. The elastic element 133 is disposed between the pressing rod 131 and the plug screw 112, and it applies a clamping force to the pressing rod 131, thereby causing the sealing element 132 fixedly connected to the pressing rod 131 to seal the manual exhaust channel 1114. Specifically, the sealing element 132 is a silicone sealing ring, and the elastic element 133 is a spring.

[0033] It should be noted that the specific working process of the exhaust valve assembly with manual exhaust function of this utility model is as follows: When the pressure in the sealed tank reaches the preset value, the solenoid valve body 121 is energized, causing the stationary iron core structure 122 to generate a magnetic attraction force, thereby attracting the moving iron core structure 123. The moving iron core structure 123 drives the sealing plug 124 to move upward, thereby releasing the sealing operation of the automatic exhaust channel 1115. The gas entering the exhaust chamber body 111 through the air inlet 111 is discharged sequentially through the connecting cavity 1113 and the automatic exhaust channel 1115, thereby realizing the automatic exhaust operation. When manual exhaust is required, by pressing the pressing rod 131, the pressing rod 131 overcomes the elastic clamping force of the elastic element 133 and drives the sealing element 132 to move, thereby releasing the sealing connection of the sealing element 132 to the installation channel 1112. The gas entering the exhaust chamber body 111 through the air inlet 111 is discharged sequentially through the installation channel 1112 and the manual exhaust channel 1114, thereby realizing the manual exhaust operation.

[0034] Any combination of the technical features in the above-described embodiments can be made, and for the sake of brevity, not all possible combinations are described, however, as long as the combination of the technical features does not exist in contradiction, it shall be considered as the scope of the description.

[0035] The above-described embodiments only express several implementation manners of the utility model, the description is more specific and detailed, but it cannot be understood as the limitation of the utility model patent scope. It should be pointed out that for ordinary skilled person in the art, under the premise of not departing from the utility model concept, a number of modifications and improvements can be made, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be subject to the appended claims.

Claims

1. An exhaust valve assembly with manual exhaust function, used in the exhaust process of a sealed tank, characterized in that, include: An exhaust chamber mechanism is provided with an air inlet, an installation channel, a connecting cavity, a manual exhaust channel, and an automatic exhaust channel. The air inlet is connected to the installation channel and the connecting cavity, respectively. The manual exhaust channel and the automatic exhaust channel are connected to the installation channel and the connecting cavity, respectively. A solenoid valve mechanism is disposed on the connecting cavity and is capable of sealing the automatic exhaust passage; A pressing mechanism is movably disposed in the mounting channel and is capable of sealing the mounting channel. When an external force is applied to the pressing mechanism, the pressing mechanism releases the seal on the mounting channel.

2. The exhaust valve assembly with manual exhaust function according to claim 1, characterized in that, The exhaust chamber mechanism includes an exhaust chamber body; a detachable, sealed, threaded plug screw connected to the exhaust chamber body; and a connector fixedly mounted on the exhaust chamber body, wherein the solenoid valve mechanism is fixedly connected to the exhaust chamber body via the connector.

3. An exhaust valve assembly with manual exhaust function according to claim 2, characterized in that, The exhaust chamber body is provided with a plurality of first fixing holes and a plurality of second fixing holes; the exhaust chamber body is fixedly connected to the sealed tank body through the plurality of first fixing holes; the connector is fixedly connected to the exhaust chamber body through the plurality of second fixing holes.

4. An exhaust valve assembly with manual exhaust function according to claim 3, characterized in that, The connector has multiple third fixing holes through it, and the positions of the multiple third fixing holes correspond to the positions of the corresponding second fixing holes.

5. An exhaust valve assembly with manual exhaust function according to claim 1, characterized in that, The solenoid valve mechanism includes a solenoid valve body; a stationary iron core structure adjustablely disposed in the solenoid valve body; a movable iron core structure movably disposed in the solenoid valve body and disposed below the stationary iron core structure; and a sealing plug fixedly disposed on the movable iron core structure and capable of sealing the automatic exhaust channel.

6. An exhaust valve assembly with manual exhaust function according to claim 5, characterized in that, The stationary iron core structure includes a cap that is detachably threaded onto the solenoid valve body; and an adjustable stationary iron core body that is threaded onto the cap and disposed within the solenoid valve body.

7. An exhaust valve assembly with manual exhaust function according to claim 2, characterized in that, The pressing mechanism includes a pressing rod movably disposed in the mounting channel; a sealing element fixedly disposed on the pressing rod and capable of sealing the manual venting channel; and an elastic element disposed between the pressing rod and the plug screw.

8. An exhaust valve assembly with manual exhaust function according to claim 7, characterized in that, The sealing element is a silicone sealing ring.

9. An exhaust valve assembly with manual exhaust function according to claim 7, characterized in that, The elastic element is a spring.

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