CN218118617U - Upward-expanding pneumatic discharge valve and automatic feeding and discharging equipment - Google Patents

Abstract

The utility model belongs to the technical field of the valve technique and specifically relates to a go up pneumatic baiting valve of exhibition and throw blowing equipment automatically, go up the pneumatic baiting valve of exhibition and include: a housing provided with a feed port; the valve rod penetrates through the shell, the valve clack is arranged at the feeding hole, and one end of the valve rod is connected with the valve clack; the other end of the valve rod is connected with the actuating mechanism, and the actuating mechanism can drive the valve rod to drive the valve clack to move relative to the feeding hole so as to open or close the valve clack relative to the feeding hole; and the sealing element is connected with the valve rod and is used for sealing a gap between the valve rod and the shell. The pneumatic baiting valve of exhibition on that this application embodiment provided, no matter which position the relative casing of valve rod is in, the sealing member homoenergetic is effectively sealed the clearance between valve rod and the casing, because valve rod wearing and tearing or other reasons lead to having the raw materials to reveal from the casing, increases the potential risk of potential safety hazard.

Description

Upward-expanding pneumatic discharge valve and automatic feeding and discharging equipment

Technical Field

The application relates to the technical field of valves, in particular to an upward-unfolding pneumatic emptying valve and automatic feeding equipment.

Background

At present, in a nuclear chemical system, when raw materials in a storage tank of a reaction kettle are periodically discharged, the raw materials are discharged through an upward-spreading discharge valve arranged on the bottom of the reaction kettle. When the traditional spreading and discharging valve works repeatedly, the valve rod packing part is easy to wear, so that the raw materials are easy to leak due to the fact that the gap is enlarged and the sealing is not tight, and potential safety hazards are caused.

SUMMERY OF THE UTILITY MODEL

An object of this application is to provide a go up pneumatic baiting valve of exhibition and automatic feeding device to solve the current technical problem that raw materials leak outward easily appear in exhibition baiting valve that exists among the prior art to a certain extent.

The application provides a go up pneumatic baiting valve of exhibition includes: a housing provided with a feed inlet;

the valve rod penetrates through the shell;

the valve clack is arranged at the feeding hole, and one end of the valve rod is connected with the valve clack;

the other end of the valve rod is connected with the actuating mechanism, and the actuating mechanism can drive the valve rod to drive the valve clack to move relative to the feeding hole so as to open or close the valve clack relative to the feeding hole;

a seal coupled to the valve stem, the seal for sealing a gap between the valve stem and the housing.

In the above technical solution, further, the upward-extending pneumatic baiting valve further includes a valve seat, the valve seat is disposed at the feed port, and the valve flap cooperates with the valve seat.

In any one of the above technical solutions, further, the housing is further provided with a discharge port, and the discharge port is communicated with the feed port.

In any one of the above technical solutions, further, the housing is provided with a penetrating portion, and the penetrating portion extends in the height direction of the housing inside the housing.

In any of the above technical solutions, further, the valve rod is inserted into the insertion portion, the valve rod is provided with a limiting portion, the shape of the limiting portion is matched with the shape of the insertion portion, and the valve flap is disposed in the limiting portion.

In any one of the above technical solutions, further, the sealing member has a corrugated structure, the sealing member is sleeved on the penetrating portion, one end of the sealing member is connected with the housing, and the other end of the sealing member is connected with the limiting portion.

In any of the above technical solutions, further, the housing is provided with a scope.

In any one of the above technical solutions, further, the upward-extending pneumatic discharge valve further includes a bracket, and the housing and the actuator are fixed to each other through the bracket.

In any of the above technical solutions, further, the actuator includes;

a fixing member forming a closed space;

the pneumatic head is arranged in the closed space, and one end of the valve rod, which is far away from the valve clack, is connected with the pneumatic head;

and the electromagnetic valve is used for controlling the on-off of an air path connected with the pneumatic head.

The application also provides automatic throw blowing equipment, including any one of the above-mentioned technical scheme go up the pneumatic baiting valve of exhibition, therefore, have this all beneficial technological effects of going up the pneumatic baiting valve of exhibition, here, no longer give consideration to repeatedly.

Compared with the prior art, the beneficial effect of this application is:

the application provides a pneumatic baiting valve of exhibition includes: a housing provided with a feed port; the valve rod penetrates through the shell and the valve clack and is arranged at the feeding hole, and one end of the valve rod is connected with the valve clack; the other end of the valve rod is connected with the actuating mechanism, and the actuating mechanism can drive the valve rod to drive the valve clack to move relative to the feeding hole so as to open or close the valve clack relative to the feeding hole; and a sealing member connected to the valve stem, the sealing member being for sealing a gap between the valve stem and the housing.

The pneumatic baiting valve of exhibition of going up that this application embodiment provided, no matter which position the relative casing of valve rod is in, the sealing member homoenergetic is effectively sealed the clearance between valve rod and the casing, because valve rod wearing and tearing or other reasons lead to having the raw materials to reveal from the casing, increases the potential risk of potential safety hazard.

The application provides an automatic feeding equipment, include the aforesaid go up the pneumatic baiting valve of exhibition, therefore, can realize throwing the blowing through this last pneumatic baiting valve of exhibition to show the risk that reduces the raw materials and leak outward, ensure the automatic life who throws feeding equipment.

Drawings

In order to more clearly illustrate the detailed description of the present application or the technical solutions in the prior art, the drawings needed to be used in the detailed description of the present application or the prior art description will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic structural diagram of an upward-expanding pneumatic baiting valve provided in an embodiment of the present application.

Reference numerals:

1-valve seat, 2-shell, 201-feed inlet, 202-discharge outlet, 203-penetrating part, 204-fixing part, 3-valve rod, 301-limiting part, 4-valve flap, 5-sealing part, 6-bracket, 7-actuator, 8-solenoid valve, 9-sight glass and 10-guide sleeve.

Detailed Description

The technical solutions of the present application will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present application, but not all embodiments.

The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application.

All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present application, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

An upward-extending pneumatic emptying valve and automatic feeding and emptying device according to the embodiment of the application are described in the following by referring to fig. 1.

Referring to fig. 1, an embodiment of the present application provides an upward-expanding pneumatic baiting valve, including: the valve comprises a shell 2, a valve rod 3, an actuating mechanism 7 and a sealing piece 5, wherein one end of the valve rod 3 is connected with the actuating mechanism 7, and the other end of the valve rod 3 is provided with a valve clack 4. The casing 2 is provided with feed inlet 201, valve clack 4 sets up at feed inlet 201, actuating mechanism 7 can drive the relative casing 2 motion of valve rod 3, thereby make valve clack 4 can be along with valve rod 3 synchronous motion, specifically, under the state that fig. 1 shows, under actuating mechanism 7's effect, drive valve rod 3 and rise or descend, valve clack 4 rises or descends along with valve rod 3 synchronous, when valve clack 4 rises, valve clack 4 breaks away from feed inlet 201, thereby make feed inlet 201 open, can have the material to get into in the casing 2, after valve clack 4 descends, valve clack 4 gets back initial condition and the laminating of discharge gate 202 and shutoff feed inlet 201. Because the valve rod 3 wears to locate casing 2 and can move 2 relative to the casing, consequently there is the clearance between valve rod 3 and the casing 2, consequently needs sealing member 5 to seal the clearance between valve rod 3 and the casing 2 to avoid the material that gets into in the casing 2 to leak through the clearance, originally expand the input of pneumatic baiting valve especially adapted to raw materials in the nuclear chemical industry field, consequently can effectively reduce even avoid the potential safety hazard through avoiding the raw materials to leak outward.

In one embodiment of the present application, preferably, the upward-extending pneumatic baiting valve further includes a valve seat 1, the valve seat 1 is disposed at the feeding port 201, and the valve flap 4 cooperates with the valve seat 1.

In this embodiment, the feed inlet 201 is formed with a step portion recessed towards the inside of the housing 2, the shape of the valve seat 1 is adapted to the shape of the step portion, so that the valve seat 1 can be stably arranged on the feed inlet 201 in a manner of being embedded in the step portion, the diameter of the valve flap 4 is larger than that of the valve rod 3, and the diameter of the valve flap 4 is not smaller than that of the valve seat 1, so that the valve flap 4 can be located outside the valve seat 1 and cannot enter the inside of the valve seat 1 and the housing 2, when the valve flap 4 moves downward along with the valve rod 3 to the recovery position, the valve flap 4 can be mutually clamped with the valve seat 1 to block the port of the valve seat 1, that is, the feed inlet 201 is blocked, and at this time, no feeding is performed in the housing 2.

In one embodiment of the present application, the housing 2 is further provided with a discharge port 202, and the discharge port 202 is communicated with the feed port 201.

In this embodiment, the housing 2 has a cylindrical structure, in the state shown in fig. 1, the axis of the housing 2 extends in a vertical direction, the inlet 201 is located at the upper end of the housing 2, the outlet 202 is located at a position on the side wall of the housing 2 near the bottom end, preferably, the outlet 202 is provided with an outlet pipe, more preferably, the outlet pipe and the housing 2 have an integral structure, and the outlet pipe is obliquely arranged, and the height of one end of the outlet pipe near the housing 2 is higher than that of one end for releasing raw material, so as to ensure that the raw material can smoothly flow out from the outlet 202 and the outlet pipe after entering the housing 2 from the inlet 201.

In one embodiment of the present application, it is preferable that the housing 2 is provided with a penetration portion 203, and the penetration portion 203 extends in the height direction of the housing 2 inside the housing 2.

In this embodiment, the penetrating portion 203 has a cylindrical structure, an axis of which extends in a vertical direction, so that the valve rod 3 can penetrate the penetrating portion 203, and the penetrating portion 203 can play a guiding role in guiding the valve rod 3.

Further, the valve rod 3 is arranged in the penetrating portion 203 in a penetrating mode, the valve rod 3 is provided with a limiting portion 301, the shape of the limiting portion 301 is matched with that of the penetrating portion 203, and the valve flap 4 is arranged on the limiting portion 301.

In this embodiment, the stopper portion 301 has a cylindrical structure, and surrounds the outside of the valve stem 3. Preferably, the wall surface of the limiting part 301 is parallel to the valve rod 3, and more preferably, the diameter of the limiting part 301 is not smaller than the inner diameter of the valve seat 1, so that the valve rod 3 can be prevented from excessively protruding out of the housing 2 during the lifting process of the valve rod 3.

When the valve flap 4 descends to the valve flap 4 and the valve seat 1 along with the valve rod 3 and is mutually closed, the upper port of the penetrating portion 203 is opposite to the part between the limiting portion 301 and the valve rod 3, and in the vertical direction, a gap is formed between the end of the penetrating portion 203 and the bottom wall surface of the barrel structure of the limiting portion 301, so that the rigid collision between the limiting portion 301 and the penetrating portion 203 in the ascending and descending process of the valve rod 3 is avoided.

Preferably, when the valve flap 4 descends with the valve rod 3 to a state where the valve flap 4 and the valve seat 1 are closed with each other, a partial height (or height) of the upper end of the penetrating portion 203 enters the gap between the limiting portion 301 and the valve rod 3, so as to reduce the raw material from entering the gap between the valve rod 3 and the penetrating portion 203 and leaking out of the housing 2 with the movement of the valve rod 3.

Further, the opening at the bottom end of the housing 2 has a smaller diameter for only penetrating the valve rod 3, the fixing portion 204 is disposed on the outer surface of the bottom end of the housing 2, preferably, the fixing portion 204 and the housing 2 have an integral structure, the fixing portion 204 is formed with a penetrating passage along the axial direction thereof, the penetrating passage communicates with the inner space of the penetrating portion 203 so as to penetrate the valve rod 3, the fixing portion 204 is used for fixing the below-described bracket 6 and the actuator 7, and the fixing portion 204 can also play a guiding role in the lifting process of the valve rod 3.

Preferably, the last pneumatic baiting valve that expands that this application embodiment provided still includes uide bushing 10, and uide bushing 10 sets up in the inside of casing 2 and sets up on the inner bottom wall of casing 2, and uide bushing 10 is worn to locate simultaneously by valve rod 3, further strengthens the guide effect to valve rod 3, avoids valve rod 3 to have longer length and influences the stability of lift process to and the leakproofness that valve clack 4 is closed relative to valve seat 1.

In one embodiment of the present application, preferably, the sealing member 5 has a corrugated structure, the sealing member 5 is sleeved on the through portion 203, one end of the sealing member 5 is connected to the housing 2, and the other end of the sealing member 5 is connected to the limiting portion 301.

In this embodiment, the sealing member 5 is specifically a corrugated pipe, the sealing member 5 is sleeved on the penetrating portion 203, the axis of the sealing member 5 also extends in the vertical direction, the upper end of the sealing member 5 is connected with the limiting portion 301, and the lower end of the sealing member 5 is connected with the inner wall surface of the bottom end of the housing 2 or the guide sleeve 10, so that the sealing member 5 can synchronously stretch or retract along with the lifting of the valve rod 3 in the vertical direction, and the gap between the limiting portion 301 and the penetrating portion 203 is always sealed off, thereby ensuring the sealing performance between the valve rod 3 and the penetrating portion 203, that is, the housing 2.

In one embodiment of the present application, the housing 2 is preferably provided with a scope 9.

In this embodiment, a perspective window is arranged on the side wall of the housing 2, the perspective window is provided with a peep sight glass 9, after emptying, the interior of the housing 2 and related pipelines need to be cleaned, after cleaning, whether a residue mark exists in the interior of the housing 2 can be visually checked through the peep sight glass 9, and if the residue mark exists, the cleaning is continued until the cleanliness meets the requirement.

In one embodiment of the present application, the upspread pneumatic discharge valve further preferably comprises a bracket 6, and the housing 2 and the actuator 7 are fixed to each other by the bracket 6.

In this embodiment, the bracket 6 is disposed between the fixing portion 204 of the housing 2 and the actuator 7, and may be fixed by a bolt or other type of fastener, and the bracket 6 is provided with a clamping portion through which the valve stem 3 is inserted and is rotatable relative to the clamping portion.

In one embodiment of the present application, the actuator 7 preferably comprises;

a fixing member forming a closed space;

the pneumatic head is arranged in the closed space, and one end of the valve rod 3, which is far away from the valve clack 4, is connected with the pneumatic head;

and the electromagnetic valve 8 is used for controlling the on-off of an air path connected with the pneumatic head.

In this embodiment, actuating mechanism 7 is including the mounting that has shell structure, still include pneumatic head, solenoid valve 8, support 6 is fixed with the mounting, pneumatic head sets up the inside at the mounting, pneumatic head can be the pneumatic membrane, the bottom of valve rod 3 is worn to establish in the mounting and is connected with pneumatic head through the spring, solenoid valve 8 sets up in the mounting, be used for controlling the break-make of the pipeline of being connected with the air supply to pneumatic head air feed, after solenoid valve 8 circular telegram, air supply pressure gets into actuating mechanism 7, pneumatic head exerts ascending thrust to valve rod 3, valve rod 3 upward movement drives valve clack 4 and leaves disk seat 1, the bellows is tensile simultaneously, feed inlet 201 (disk seat 1) and discharge gate 202 intercommunication this moment, after solenoid valve 8 cuts off the power supply, pneumatic head decompression, actuating mechanism 7's air supply pressure evacuation, the spring is retracted and is reset and is pulled back valve rod 3 the normal position, drive valve clack 4 to get back to the state of closing with disk seat 1 simultaneously, this last exhibition pneumatic baiting valve is whole closed, no longer there is raw materials to get into in casing 2. It should be noted that the actuator 7 drives the valve rod 3 to move, which is a common and mature technology in the valve field, and is fully understood by those skilled in the art and is not a key protection claimed in the present application, so that it is not necessary to disclose more detailed structures and components of the actuator 7.

To sum up, the pneumatic baiting valve of exhibition on that this application embodiment provided, no matter which position the relative casing of valve rod is in, the sealing member homoenergetic enough seals effectively the clearance between valve rod and the casing, because valve rod wearing and tearing or other reasons lead to having the raw materials to reveal from the casing, increases the potential risk of potential safety hazard.

In addition, go up exhibition baiting valve after the blowing, inside does not allow to have residual raw materials, needs carry out the washing, and the pneumatic baiting valve of going up exhibition that this application provided can observe, detect directly perceivedly through the peephole and whether rinse target in place, whether clean degree meets the requirements.

The embodiment of the application further provides automatic feeding and discharging equipment, which comprises the upward-expanding pneumatic discharging valve in any one of the above embodiments, so that all the beneficial technical effects of the upward-expanding pneumatic discharging valve are achieved, and the detailed description is omitted.

Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.

Claims (10)

1. An upspread pneumatic baiting valve, comprising:

a housing provided with a feed inlet;

the valve rod penetrates through the shell;

the valve clack is arranged at the feeding hole, and one end of the valve rod is connected with the valve clack;

the other end of the valve rod is connected with the actuating mechanism, and the actuating mechanism can drive the valve rod to drive the valve clack to move relative to the feeding hole so as to open or close the valve clack relative to the feeding hole;

a seal coupled to the valve stem, the seal for sealing a gap between the valve stem and the housing.

2. The upspread pneumatic discharge valve of claim 1 further comprising a valve seat disposed at the feed inlet, the valve flap cooperating with the valve seat.

3. The upspread pneumatic discharge valve of claim 1, wherein the housing is further provided with a discharge port in communication with the feed port.

4. The pop-up pneumatic discharge valve of claim 1, wherein the housing is provided with a through-going portion extending inside the housing in a height direction of the housing.

5. The upspread pneumatic baiting valve according to claim 4, characterized in that the valve rod is inserted into the insertion portion, the valve rod is provided with a position-limiting portion, the shape of the position-limiting portion is adapted to the shape of the insertion portion, and the valve flap is provided in the position-limiting portion.

6. The upspread pneumatic baiting valve according to claim 5, wherein the sealing member has a corrugated structure, the sealing member is fitted over the penetrating portion, one end of the sealing member is connected to the housing, and the other end of the sealing member is connected to the position-limiting portion.

7. The pop-up pneumatic baiting valve as claimed in any of claims 1 to 6, characterized in that the housing is provided with a peep sight.

8. The pop-up pneumatic discharge valve of any one of claims 1 to 6, further comprising a bracket by which the housing and the actuator are secured to one another.

9. The pop-up pneumatic baiting valve according to any of claims 1 to 6, wherein the actuator comprises;

a fixing member forming a closed space;

the pneumatic head is arranged in the closed space, and one end of the valve rod, which is far away from the valve clack, is connected with the pneumatic head;

and the electromagnetic valve is used for controlling the on-off of an air path connected with the pneumatic head.

10. An automatic dosing device, characterized by comprising an upward-extending pneumatic discharge valve according to any one of claims 1 to 9.

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