Chemical anti-blocking valve convenient to replace

Abstract

The chemical anti-blocking valve convenient to replace comprises a valve body and a connecting pipe, first grooves are formed in the two sides of the connecting pipe, a clamping strip is fixedly connected into the connecting pipe, the connecting pipe is located on the two sides of the clamping strip and rotationally connected with two rotating rods, a sealing plate is fixedly connected to the rotating rods, and one side of the sealing plate is in contact with a filtering frame; a first groove is formed in the connecting pipe, a sealing plate is arranged on one side of the connecting pipe, a sealing plate is arranged on the other side of the connecting pipe, a filter screen is fixedly connected in each filter frame, a supporting plate is fixedly connected to the position, located on the bottom side of the first groove, of the connecting pipe, the supporting plate is rotationally connected with an arc-shaped clamping plate through a rotating shaft, and the section of the arc-shaped clamping plate is of a T-shaped structure. Therefore, the state that one side in the connecting pipe is closed and the other side in the connecting pipe is opened can be formed, then the arc-shaped clamping plate on one side of the filter frame in the closed state is opened, and then the filter frame is disassembled, so that replacement of a filter piece in the chemical anti-blocking valve can be solved, and meanwhile continuous conveying of chemical products cannot be affected by disassembling the filter screen.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve maintenance technical field, concretely relates to a chemical industry anti -blocking valve convenient to replace. BACKGROUND

[0002] The chemical industry anti -blocking valve is an important equipment for preventing the impurities and particles in fluid from blocking the pipeline and ensuring the smooth progress of chemical production in the chemical production process, needs to carry out the inspection, cleaning and maintenance regularly in the production process, and replaces the damaged parts in time.

[0003] According to the "chemical industry anti -blocking valve convenient to replace" of Chinese patent publication No. CN222316071U, the main description is that the falling impurities are caught by the rotating plate, the impurities are prevented from falling into the channel, and part of the impurities will fall to the left of the filter screen, so that the impurities in the channel will flow with the chemical liquid during subsequent use of the channel, resulting in the problem of affecting the subsequent use of the chemical liquid.

[0004] The chemical industry anti -blocking valve needs to pause the transmission of chemical raw materials in the pipeline when the filter screen in the pipeline is disassembled, and then the filter screen is disassembled, at this time, the chemical raw materials cannot be transmitted through the pipeline and the valve, which affects the continuous operation of the chemical raw materials and increases the complexity of disassembly.

[0005] Therefore, a chemical industry anti -blocking valve convenient to replace is proposed to solve the problem that disassembling the filter screen of the chemical industry anti -blocking valve will affect the transmission of chemical raw materials and the continuous operation of the chemical raw materials. UTILITY MODEL CONTENTS

[0006] The utility model solves the technical problem that disassembling the filter screen of the chemical industry anti -blocking valve will affect the transmission of chemical raw materials and the continuous operation of the chemical raw materials, and therefore proposes a chemical industry anti -blocking valve convenient to replace.

[0007] The utility model discloses a technical scheme that solves technical problems is: a chemical anti -blocking valve convenient to change, including valve body and link pipe, the link pipe both sides are all seted up first recess, the link pipe is fixedly connected with the clamping strip in, the link pipe is located clamping strip both sides and is rotatably connected with two rotating lever, the rotating lever is fixedly connected with the sealing plate on, the sealing plate one side contacts has the filter frame, the filter frame is fixedly connected with the filter screen in, the link pipe is located first recess bottom side fixedly connected with the supporting plate, the supporting plate is rotatably connected with arc clamping plate through the pivot, the arc clamping plate's section is T type structure, the arc clamping plate corresponds with the link pipe, the link pipe upper end fixedly connected with the link block, the link block one side is seted up first through -hole and is inserted with first spring needle in first through -hole, the first spring needle's tip contacts the gear disc, the gear disc is fixedly connected on the rotating lever upper end, the link block one side is seted up second through -hole and is inserted with second spring needle in second through -hole, the second spring needle's tip inserts the side of arc clamping plate.

[0008] As a preferred technical scheme of the utility model, the sealing plate is fixedly connected with an arc-shaped buffer strip on one side, the arc-shaped buffer strip is composed of rubber material, and the arc-shaped buffer strip is in contact with the link pipe on one side. By arranging the arc-shaped buffer strip, the collision damage of the two sealing plates can be reduced.

[0009] As a preferred technical scheme of the utility model, the link pipe is in contact with a sealing strip on one side, and the sealing strip is composed of rubber material. By arranging the sealing strip, the sealing property between the link pipe and the arc-shaped clamping plate can be improved.

[0010] As a preferred technical scheme of the utility model, a pointer is fixedly connected to the upper end of the gear disc, the direction of the tip of the pointer is consistent with the rotating direction of the sealing plate, and by arranging the pointer, the state between the sealing plate and the filter frame can be observed.

[0011] As a preferred technical scheme of the utility model, the sealing plate is in contact with a blocking brush on one side, and the blocking brush is fixedly connected in the filter frame. By arranging the blocking brush, the contact between the filter frame and impurities contained in the chemical product can be improved, so that the collection effect is improved.

[0012] The utility model has the following advantages: by arranging the sealing plate on the same side of the filter frame to be closed, and the sealing plate corresponding to the other filter frame to be opened, the state of one side of the link pipe being closed and the other side being opened can be formed, then the arc-shaped clamping plate on one side of the filter frame in the closed state is opened, and then the filter frame is disassembled, so that the replacement of the filter element in the chemical anti-blocking valve can be solved, and the disassembly of the filter screen will not affect the continuous conveying of the chemical product. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1is a three-dimensional structure schematic view of the chemical anti-blocking valve convenient to replace of the utility model one preferred embodiment;

[0014] Figure 2 is the convergence pipe place front view sectional structure schematic view of the chemical anti-blocking valve convenient to replace of the utility model one preferred embodiment;

[0015] Figure 3 is the convergence pipe place side view sectional structure schematic view of the chemical anti-blocking valve convenient to replace of the utility model one preferred embodiment;

[0016] Figure 4 is the filter frame place three-dimensional structure schematic view of the chemical anti-blocking valve convenient to replace of the utility model one preferred embodiment;

[0017] Figure 5 is the convergence block place side view sectional structure schematic view of the chemical anti-blocking valve convenient to replace of the utility model one preferred embodiment.

[0018] Mark explanation: 1, valve;2, convergence pipe;3, first recess;4, clamping strip;5, rotating rod;6, sealing plate;7, filter frame;8, support plate;9, arc clamping plate;10, sealing strip;11, first spring needle;12, gear disc;13, second spring needle;14, arc buffer strip;15, pointer;16, filter screen;17, brush;18, convergence block. Specific implementation

[0019] The utility model will be further described below in combination with the drawings.

[0020] Please combine with reference to Figures 1-5The utility model provides an easy to replace chemical anti -blocking valve, including valve body 1 and the link pipe 2, the link pipe 2 both sides are all seted up first recess 3, is fixedly connected with the clamping strip 4 in the link pipe 2, the link pipe 2 is located the both sides of clamping strip 4 and is rotatably connected with two rotating rods 5, and rotating rod 5 can drive the rotation of sealing plate 6, and rotating rod 5 is fixedly connected with sealing plate 6, and sealing plate 6 side contacts filter frame 7, and filter frame 7 is fixedly connected with filter screen 16 in, through setting up filter screen 16 can filter the impurity in chemical product, and the link pipe 2 is located the fixed connection of support plate 8 in first recess 3 bottom side, loosen second spring needle 13, can be convenient for opening arc clamping plate 9, to extract the filter frame 7 between two sealing plate 6, and support plate 8 is rotatably connected with arc clamping plate 9 through the pivot, and the profile of arc clamping plate 9 is T type structure, and arc clamping plate 9 corresponds with the link pipe 2, and the link pipe 2 upper end is fixedly connected with link block 18, and link block 18 side is seted up first through -hole and is inserted with first spring needle 11 in first through -hole, and press the end of first spring needle 11, can make first spring needle 11 no longer limit the gear groove of gear disc 12, to rotate gear disc 12 can make sealing plate 6 rotate, and the end of first spring needle 11 contacts gear disc 12, and gear disc 12 is fixedly connected on the upper end of rotating rod 5, and link block 18 side is seted up second through -hole and is inserted with second spring needle 13 in second through -hole, and the end of second spring needle 13 is inserted in the side of arc clamping plate 9.

[0021] Wherein, the side of sealing plate 6 is fixedly connected with arc-shaped buffer strip 14, the arc-shaped buffer strip 14 is made of rubber material, the side of arc-shaped buffer strip 14 contacts with the link pipe 2, through setting up arc-shaped buffer strip 14, the collision when the two sealing plates 6 contact can be reduced.

[0022] Wherein, the side of link pipe 2 contacts with sealing strip 10, the sealing strip 10 is made of rubber material, through setting up sealing strip 10, the link between arc-shaped clamping plate 9 and link pipe 2 is more closely, convenient for the transmission of chemical products.

[0023] Wherein, the upper end of gear disc 12 is fixedly connected with pointer 15, the tip direction of pointer 15 is consistent with the rotation direction of sealing plate 6, through setting up pointer 15, the arc-shaped side of sealing plate 6 is marked through the tip side of pointer 15.

[0024] Wherein, the side of sealing plate 6 contacts with stop brush 17, the stop brush 17 is fixedly connected in filter frame 7, through setting up stop brush 17, the contact surface of chemical products and filter screen 16 in filter frame 7 is increased, so as to facilitate the impurities when filtering chemical product transmission.

[0025] Working principle: the chemical products are transmitted in the adapter pipe 2, at this time, the two sealing plates 6 on one side of the adapter pipe 2 are in the open state, and the two sealing plates 6 on the other side are in contact with the filter frame 7 by the rotating rod 5, at this time, the chemical products pass through one side of the adapter pipe 2, at this time, the filter frame 7 and the filter screen 16 need to be cleaned after being filtered for many times, the rotating rod 5 on the other side is rotated to drive the sealing plate 6 to no longer contact the filter frame 7, so that the other side of the adapter pipe 2 is opened, then the rotating rod 5 on the opposite side drives the sealing plate 6 to rotate, and the sealing plate 6 contacts the filter frame 7, so that the filter frame 7 on the opposite side is in a closed state, the second spring needle 13 is pulled again, so that the end of the second spring needle 13 no longer inserts the arc-shaped clamping plate 9, then the arc-shaped clamping plate 9 is opened and the filter frame 7 can be taken out for cleaning, so that the problem of overflow of the chemical products caused by replacement of the filtering part in the chemical anti-blocking valve body 1 is reduced, and the problem of production stop caused by replacement of the filtering part in the valve body 1 is reduced.

[0026] The above is only the preferred embodiment of the present application, and it should be pointed out that, for ordinary skilled in the art, without departing from the principles of the present application, a number of improvements and refinements can be made, and these improvements and refinements should be considered as the protection scope of the present application.

[0027] Other parts not described in the present application are all prior art, so they are not described here.

[0028] Finally, it should be pointed out that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A chemical anti-blocking valve convenient to replace, comprising a valve body (1) and a connecting pipe (2), characterized in that, The connecting pipe (2) is provided with a first groove (3) on both sides, the connecting pipe (2) is fixedly connected with a clamping strip (4), the connecting pipe (2) is rotatably connected with two rotating rods (5) on both sides of the clamping strip (4), the rotating rod (5) is fixedly connected with a sealing plate (6), the sealing plate (6) is in contact with a filter frame (7) on one side, the filter frame (7) is fixedly connected with a filter screen (16) inside, the connecting pipe (2) is fixedly connected with a support plate (8) on the bottom side of the first groove (3), the support plate (8) is rotatably connected with an arc-shaped clamping plate (9) through a rotating shaft, the arc-shaped clamping plate (9) has a T-shaped structure in cross section, the arc-shaped clamping plate (9) corresponds to the connecting pipe (2), the connecting pipe (2) is fixedly connected with a connecting block (18) on the upper end, the connecting block (18) is provided with a first through hole on one side, and a first spring needle (11) is inserted into the first through hole, the end of the first spring needle (11) is in contact with a gear disc (12), the gear disc (12) is fixedly connected to the upper end of the rotating rod (5), the connecting block (18) is provided with a second through hole on one side, and a second spring needle (13) is inserted into the second through hole, the end of the second spring needle (13) is inserted into the side surface of the arc-shaped clamping plate (9).

2. The anti-blocking valve for chemical industry according to claim 1, wherein The sealing plate (6) is fixedly connected with an arc-shaped buffer strip (14) on one side, the arc-shaped buffer strip (14) is made of rubber material, and the arc-shaped buffer strip (14) is in contact with the connecting pipe (2) on one side.

3. The anti-fouling valve of claim 2, wherein the valve body is made of a material selected from the group consisting of polytetrafluoroethylene, polypropylene, polyethylene, and combinations thereof. The connecting pipe (2) is in contact with a sealing strip (10) on one side, and the sealing strip (10) is made of rubber material.

4. The anti-fouling valve of claim 1, wherein, The gear disc (12) is fixedly connected with a pointer (15) on the upper end, and the direction of the sharp end of the pointer (15) is consistent with the rotating direction of the sealing plate (6).

5. A replaceable chemical anti-clogging valve as described in claim 4, characterized in that, The sealing plate (6) is in contact with a blocking brush (17) on one side, and the blocking brush (17) is fixedly connected in the filter frame (7).

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