CN215059696U - Paste material distributing valve - Google Patents

Abstract

The utility model provides a lotion material distribution valve, drive arrangement drive conical valve body reciprocating motion between first export and second export, first transfer passage with switch between the second transfer passage, debris in the hard seal cutting material of first, second during the switching are avoided because the card is dunked and is caused the problem that can't smoothly switch over. The thick material reversing valve has the advantages of simple structure, easiness in reversing, reliable sealing and simplicity and convenience in maintenance, solves the problem of inconvenience in pipeline dismounting and butt joint, and overcomes the defects of complex structure and unreliable sealing of the thick material reversing valve in the prior art. The problem that the paste material is easy to leak in the process of switching pipelines is solved; the mode of installing the hard sealing body is utilized to realize the effect of cutting sundries in the paste material and simultaneously keeping good sealing performance. The utility model provides a lotion material distribution valve simple structure, manufacturing process is convenient and reliable, has effectively reduced the processing cost.

Description

Paste material distributing valve

Technical Field

The utility model relates to an environmental protection equipment field especially relates to a lotion material distribution valve.

Background

At present, in the pipeline conveying process of solid-liquid two-phase paste materials, when one conveying main pipe is connected with two branch pipelines, the switching of the flow direction is realized by opening or closing stop valves arranged on the branch pipelines when the on-off of the conveying main pipe and the branch pipelines are switched to change the flow direction of the materials. The stop valve is complex to operate, residual materials are easy to remain at the position where the stop valve is arranged when a pipeline is cleaned, the sealing effect is poor, the sealing pressure is low, and the valve plate is easy to deform.

The paste material has low water content, large viscosity, poor fluidity and high internal friction coefficient, and the flow direction can not be switched by the conventional method. The prior thick material reversing valve often has the problem that the valve can not be closed due to blocking when the material contains impurities. Therefore, how to provide a switching valve that can be applied to switching a high concentration material transportation path is a problem to be solved.

SUMMERY OF THE UTILITY MODEL

The utility model provides a lotion material distribution valve for among the solution prior art, because lotion material moisture content is low, viscosity is big, mobility is poor, and the internal friction coefficient is high, and conventional method can't realize the problem that the material flow direction smoothly switched.

In order to realize the above purpose, the utility model discloses technical scheme provides a lotion material distribution valve, include: the device comprises a first branch pipe, a second branch pipe, a casting tee joint, a conical valve body and a driving device. The first conveying passage is a passage consisting of a first branch pipe, a first outlet of the casting tee joint, a cavity of the casting tee joint and a conveying main pipe. The second conveying passage is a passage consisting of a second branch pipe, a second outlet of the casting tee joint, a cavity of the casting tee joint and a conveying main pipe. The driving device drives the conical valve body to reciprocate between the first outlet and the second outlet and switch between the first conveying passage and the second conveying passage. The inlet of the casting tee is communicated with the conveying main pipe, and the first branch pipe and the second branch pipe are arranged in an axisymmetric mode by taking the cavity as an axis; the bending part of the first branch pipe is communicated with a pipe diameter, and a sealing device is installed at the end part of the pipe diameter.

Preferably, the bending portion of the second branch pipe is provided with a through hole, and the inner diameter of the through hole is matched with the driving device.

Preferably, the sealing device includes a sealing plug, a guide belt, and a dust ring. The sealing plug is inserted into the end part of the pipe diameter, a dustproof ring is sleeved on the sealing plug, and a guide belt is arranged on the contact surface of the sealing plug and the inner wall of the pipe diameter.

Preferably, in the above aspect, a seal seat and a seal ring are attached to a contact surface between the inner diameter of the through hole and the driving device.

Preferably, the through hole and the pipe diameter are axisymmetric with respect to the casting tee.

Preferably, a first hard sealing body is embedded at the joint of the first branch pipe and the first outlet, and a second hard sealing body is embedded at the joint of the second branch pipe and the second outlet.

Preferably, in the above aspect, when the first transfer passage or the second transfer passage communicates with each other, the tapered valve body is in contact with the second hard seal body or the first hard seal body.

The utility model provides a lotion material distribution valve, drive arrangement drive the toper valve body is in first export with reciprocating motion between the second export first transfer passage with switch between the second transfer passage, debris in the hard seal cutting material of first, second are avoided because the card causes the problem that can't smoothly switch over when switching.

The utility model has the advantages that simple structure, easily switching-over, sealed reliable maintain portably, solved the pipeline and dismantled and the inconvenient difficult problem of butt joint, overcome among the prior art thick material switching-over valve structure complicacy, sealed insecure defect. The problem that the paste material is easy to leak in the process of switching pipelines is solved; meanwhile, the problem of valve body abrasion in the switching motion of the valve body is avoided, and the service life of the conical valve body is prolonged; the mode of installing the hard sealing body is utilized to realize the effect of cutting sundries in the paste material and simultaneously keeping good sealing performance. The sealing device is additionally arranged, so that sundries in the paste can be prevented from entering the hydraulic cylinder, and the service life of the hydraulic cylinder is prolonged; the utility model provides a lotion material distribution valve simple structure, manufacturing process is convenient and reliable, has effectively reduced the processing cost.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, a brief description will be given below of the drawings required to be used in the description of the embodiments or the prior art, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a paste material distribution valve in a first working position according to an embodiment of the present invention.

Fig. 2 is a schematic structural view of the paste material distribution valve in the second working position according to the embodiment of the present invention.

Fig. 3 is an enlarged view of fig. 1 at a broken line M.

Fig. 4 is an enlarged view of fig. 1 at a dotted line N.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Now, the structure of the paste material distribution valve provided by the present invention is described, as shown in fig. 1 and fig. 2, including: the device comprises a first branch pipe 4, a second branch pipe 9, a casting tee joint 5, a conical valve body 6, a driving device 12, a sealing device consisting of a sealing plug 1, a guide belt 2 and a dust ring 3, a sealing seat 10, sealing rings 11 (4), a first hard sealing body 7 and a second hard sealing body 8. The inlet of the casting tee 5 is communicated with a conveying main pipe G.

The utility model discloses a taper valve body 6 switches between first operating position and second operating position to the realization is to the purpose that first, the second transfer passage of lotion material switched.

The first conveying passage is a passage consisting of a first branch pipe 4, a first outlet of the casting tee joint 5, a cavity of the casting tee joint 5 and a conveying main pipe G.

The second conveying passage is a passage consisting of a second branch pipe 9, a second outlet of the casting tee joint 5, a cavity of the casting tee joint 5 and a conveying main pipe G. The casting tee 5 is connected with the first branch pipe 4 and the second branch pipe 9 through fasteners.

The first branch pipe 4 and the second branch pipe 9 are arranged in an axisymmetric manner by taking the cavity of the casting tee 5 as an axis. A through hole is arranged at the bending part of the first branch pipe 4 and is communicated with a pipe diameter, and a sealing device consisting of a sealing plug 1, a guide belt 2 and a dust ring 3 is arranged at the end part of the pipe diameter. The sealing device is used for preventing the paste material from leaking out of the pipeline. The sealing plug 1 is sleeved with a dust ring 3, and a guide belt 2 is arranged on the contact surface of the sealing plug 1 and the inner wall of the pipe diameter.

A through hole is arranged at the bending part of the second branch pipe 9, the inner diameter of the through hole is matched with the driving device 12, and a sealing seat 10 and a sealing ring 11 are arranged on the contact surface of the through hole and the driving device. The drive end of the drive means 12 is screwed via this through-opening to the conical valve body 6, so that the conical valve body 6 can be moved back and forth in parallel between the first operating position and the second operating position. One end of the conical valve body 6 is a cylinder with two conical sealing surfaces, and the other end is a round rod.

Specifically, the through hole and the pipe diameter are axisymmetrical with the casting tee 5.

In order to prevent the conical valve body 6 from being blocked by impurities in the paste material in the process of switching the working position, a first hard sealing body and a second hard sealing body are respectively arranged at the joint of the first branch pipe 4 and the first outlet and the joint of the second branch pipe 9 and the second outlet. The two hard sealing bodies can cut impurities in the cutting paste material and have good sealing effect.

Thus, when the first delivery passage or the second delivery passage communicates, the conical valve body 6 contacts the second hard seal body 8 or the first hard seal body 7.

At the first working position, the conical surface of the conical valve body 6 is in contact with the second hard sealing body 8 of the second branch pipe 9 to seal the right pipeline and ensure the smoothness of the left pipeline. At the second working position, the conical surface of the conical valve body 6 is in contact with the first hard sealing body 7 of the first branch pipe 4 to seal the left pipeline and ensure the smoothness of the right pipeline.

The hydraulic cylinder contains a built-in displacement sensor, and corresponding stroke is set according to the requirement of a working position. The hydraulic cylinder may be other suitable driving device 12 such as a cylinder, a rack and pinion mechanism, a screw mechanism, a linear motor, etc., and the conical valve body 6 may be moved to switch the valve body position.

It is right to combine concrete implementation scene now the utility model discloses technical scheme explains:

when the paste material flows in from the delivery manifold G and needs to flow out from the first passage, the conical valve body 6 is located at the first working position as shown in fig. 1, and the position of the conical valve body is determined by a displacement sensor arranged in the hydraulic cylinder. In the first working position, the conical valve body 6 is in contact with the second hard sealing body 8 on the second branch pipe 9, and when the paste material reaches the second outlet, the second conveying path is interrupted and blocked, so that the paste material flows through the first conveying path. When the direction is changed, the conical valve body 6 is driven by the driving device 12 to horizontally move to the second working position, so that the conical valve body 6 is in contact with the first hard sealing body 7 on the first branch pipe 4, and when the paste material reaches the first outlet, the first conveying passage is interrupted and blocked, so that the paste material flows through the second conveying passage, and the aim of changing the direction of the pipe flow is fulfilled.

The conical valve body 6 can be in other structural forms under the condition of ensuring that the cutting sundries and the sealing effect are achieved when the conical valve body is in contact with the first hard sealing body and the second hard sealing body. The first and second hard sealing bodies may be annular metal bodies capable of achieving cutting and sealing effects with the conical valve body 6.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled 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; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (7)

1. A paste material dispensing valve, comprising: the device comprises a first branch pipe, a second branch pipe, a casting tee joint, a conical valve body and a driving device;

the first conveying passage is a passage consisting of the first branch pipe, a first outlet of the casting tee joint, a cavity of the casting tee joint and a conveying main pipe;

the second conveying passage is a passage consisting of the second branch pipe, a second outlet of the casting tee joint, a cavity of the casting tee joint and the conveying main pipe;

the driving device drives the conical valve body to reciprocate between the first outlet and the second outlet and switch between the first conveying passage and the second conveying passage;

the inlet of the casting tee joint is communicated with a conveying main pipe, and the first branch pipe and the second branch pipe are arranged in an axisymmetric mode by taking the cavity as an axis; the bending part of the first branch pipe is communicated with a pipe diameter, and a sealing device is installed at the end part of the pipe diameter.

2. The paste material distributing valve according to claim 1, wherein a through hole is formed at the bent part of the second branch pipe, and the inner diameter of the through hole is matched with the driving device.

3. The paste material dispensing valve according to claim 1, wherein the sealing device comprises a sealing plug, a guide belt and a dust ring;

the sealing plug is inserted into the end part of the pipe diameter, a dustproof ring is sleeved on the sealing plug, and a guide belt is arranged on the contact surface of the sealing plug and the inner wall of the pipe diameter.

4. The paste material dispensing valve according to claim 2, wherein a sealing seat and a sealing ring are mounted on the contact surface of the inner diameter of the through hole and the driving device.

5. The paste material distributing valve according to claim 2, wherein the through hole and the pipe diameter are axisymmetric with respect to the casting tee.

6. The pasty material distribution valve of claim 1, wherein a first hard sealing body is embedded at the joint of the first branch pipe and the first outlet, and a second hard sealing body is embedded at the joint of the second branch pipe and the second outlet.

7. The paste material dispensing valve according to claim 6, wherein the conical valve body is in contact with the second hard sealing body or the first hard sealing body when the first delivery passage or the second delivery passage is in communication.

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