A valve and EDC return line installation

Abstract

The present invention relates to the technical field of EDC return pipelines, specifically a method for installing a valve and an EDC return pipeline, comprising: a return pipeline, one end of which is connected to one end of the valve through a flange; a fixing column, one end of which is inserted into the inside of the fixing hole, and a nut is screwed on the surface of the end of the fixing column away from the fixing hole; a connecting block, one end of which is fixedly connected to the connecting column, and the connecting column is slidably arranged inside the fixing column; the beneficial effect is: when the connecting block is pressed down, the connecting block drives the connecting column to move downward, and the bottom end of the connecting column will squeeze the four groups of blocks elastically arranged on the side wall of the fixing column, causing the four groups of blocks to be inserted into the inside of the clamping groove, and the ends of the two groups of top holding blocks elastically arranged inside the connecting column bounce to the inside of the first limit groove. At this time, the flange at the end of the return pipeline and the flange at the end of the valve are connected, the nut screwed on the outer surface of the fixing column is screwed, and then the protective plate arranged on the outer surface of the valve is slid to slide to the top of the two groups of flanges.

Description

Technical Field

[0001] The invention relates to the technical field of EDC return pipelines, in particular to an installation valve and an EDC return pipeline. Background Art

[0002] EDC is a water-soluble carbodiimide used as an activation reagent for carboxyl groups in amide synthesis. It is also used to activate phosphate groups, cross-link proteins and nucleic acids, and prepare immunoconjugates. The transportation of EDC requires a fluid pipeline system.

[0003] In fluid piping systems, valves are control elements whose main functions are to isolate equipment and piping systems, regulate flow, prevent backflow, regulate and discharge pressure, and can be used to control the flow of various types of fluids.

[0004] However, the installation of existing valves is to screw the valve flange and the return pipeline flange together by tightening bolts. A large number of bolts need to be screwed during the fixing and disassembly process, which is time-consuming and labor-intensive. In addition, the connection has no protective effect, and the bolts are prone to rust, making it difficult to screw the screws off. Summary of the Invention

[0005] The object of the present invention is to provide a mounting valve and an EDC return line to solve the problem in the above background technology that the flange connection is too complicated and has no protective components.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a valve installation method, comprising:

[0007] The return line has one end connected to one end of the valve through a flange;

[0008] A fixing column, one end of which is inserted into the fixing hole, and a nut is screwed onto the surface of the end of the fixing column away from the fixing hole;

[0009] The connecting block has one end fixedly connected to a connecting column, and the connecting column is slidably arranged inside the fixed column.

[0010] Preferably, two groups of flanges are provided, and the two groups of flanges are fixedly provided at the ends of the return pipeline and the valve respectively, and the two groups of flanges are connected by fixing columns.

[0011] Preferably, a slide groove is provided on the surface of one end of the valve, and there are two groups of slide grooves. The two groups of slide grooves are symmetrically distributed with the valve as the center, and a slider is provided for sliding inside the slide groove. The end of the slider away from the slide groove is fixedly provided on the inner wall of the protective plate. The protective plate has a hollow semi-annular structure, and the diameter of the protective plate is larger than the diameter of the flange. A card ball is elastically provided inside the slide groove, and the card ball is located at the end close to the flange.

[0012] Preferably, six groups of fixing columns are provided, and the six groups of fixing columns are evenly and symmetrically distributed on the side walls of the flange, and all six groups of fixing columns pass through the side walls of one group of flanges and are inserted into the interior of another group of flanges.

[0013] Preferably, a card block is elastically provided at the bottom of the fixing column, and there are four groups of card blocks, which are evenly and symmetrically distributed at the bottom end of the fixing column, and the four groups of card blocks match the clamping groove, which is opened on the side wall of the fixing hole.

[0014] Preferably, the card block passes through the through slot and is connected to the inside of the fixed column, and the end of the card block away from the clamping slot is in an inclined state, an auxiliary rod is fixedly provided at the bottom of the card block, and the end of the auxiliary rod away from the card block is slidably provided inside the second limiting slot, and the second limiting slot is opened at the bottom end inside the fixed column, and a second return spring is fixedly provided at one end of the auxiliary rod, and the second return spring is fixed between the side wall inside the fixed column and one side of the auxiliary rod.

[0015] Preferably, a first limiting groove is provided on the outer surface of the fixing column, and a button is slidably provided inside the first limiting groove. There are two groups of buttons, and the two groups of buttons are symmetrically distributed with the fixing column as the center.

[0016] Preferably, the outer surface of the connecting column is sleeved with a first return spring, and the first return spring is fixedly arranged between the bottom end of the connecting block and the upper end surface of the fixed column. The two sides of the end of the connecting column away from the connecting block match the inclined side walls of the card block, and the bottom center symmetrical position of the connecting column is fixedly connected with a fixed block, and the side walls of both sides of the end of the fixed block away from the connecting column are fixed with auxiliary blocks, and the two sets of auxiliary blocks are slidably arranged inside the groove, and the groove is opened at the center symmetrical position of the bottom wall inside the fixed column.

[0017] Preferably, the side wall of the connecting column close to the upper end face is provided with two groups of symmetrically distributed grooves, and a supporting block is elastically provided inside the groove. The cross-section of the supporting block is a "convex" structure, and the size of the supporting block matches the side wall of the button, and a spring piece is provided inside the groove, which is fixed between the side wall of the supporting block and the inner wall of the groove.

[0018] An EDC return pipeline comprises the above-mentioned installation valve.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] The present invention proposes a method for installing a valve and an EDC return pipeline, in which the connecting block is pressed down, and the connecting block drives the connecting column to move downward. The bottom end of the connecting column will squeeze the four groups of blocks elastically arranged on the side walls of the fixed column, causing the four groups of blocks to be inserted into the inside of the clamping groove, and the ends of the two groups of top holding blocks elastically arranged inside the connecting column bounce to the inside of the first limit groove. At this time, the flange at the end of the return pipeline is connected to the flange at the end of the valve. The nut threaded on the outer surface of the fixed column is screwed, and then the protective plate arranged on the outer surface of the valve is slid, and the protective plate is slid to just above the two groups of flanges. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0022] Figure 2 This is a schematic diagram of the valve structure of the present invention;

[0023] Figure 3 This is a schematic diagram of the fixed column structure of the present invention;

[0024] Figure 4 This is a cross-sectional view of the fixed column structure of the present invention;

[0025] Figure 5 for Figure 4 A schematic diagram of the structure at center A;

[0026] Figure 6 for Figure 4 A magnified schematic diagram of the structure at point B in the middle;

[0027] Figure 7 for Figure 4 A magnified schematic diagram of the structure at point C in the middle;

[0028] Figure 8 This is a partial cross-sectional view of the flange structure of the present invention.

[0029] In the figure: return pipeline 1, valve 2, flange 3, protective plate 4, fixing column 5, slide 6, slider 7, nut 8, connecting block 9, first return spring 10, button 11, clamping block 12, connecting column 13, first limiting groove 14, sinking groove 15, holding block 16, spring piece 17, fixing block 18, groove 19, auxiliary block 20, second limiting groove 21, auxiliary rod 22, second return spring 23, through groove 24, clamping ball 25, fixing hole 26, clamping groove 27. DETAILED DESCRIPTION

[0030] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0031] See also Figures 1 to 8 The present invention provides a technical solution for installing a valve, and the installation valve includes:

[0032] The return line 1 is connected to one end of the valve 2 through a flange 3 at one end. Two groups of flanges 3 are provided. The two groups of flanges 3 are fixedly arranged at the ends of the return line 1 and the valve 2 respectively, and the two groups of flanges 3 are connected by a fixing column 5. A chute 6 is provided on the surface of one end of the valve 2. There are two groups of chute 6. The two groups of chute 6 are symmetrically distributed with the valve 2 as the center, and a slider 7 is provided for sliding inside the chute 6. The end of the slider 7 away from the chute 6 is fixedly provided on the inner wall of the protective plate 4. The protective plate 4 has a hollow semi-annular structure, and the diameter of the protective plate 4 is larger than the diameter of the flange 3. A card ball 25 is elastically provided inside the chute 6. The card ball 25 is located at one end close to the flange 3.

[0033] One end of the fixing column 5 is inserted into the inside of the fixing hole 26, and a nut 8 is screwed on the surface of the end of the fixing column 5 away from the fixing hole 26. There are six groups of fixing columns 5, and the six groups of fixing columns 5 are evenly and symmetrically distributed on the side wall of the flange 3. The six groups of fixing columns 5 all penetrate the side wall of one group of flange 3 and are inserted into the inside of another group of flange 3. The bottom of the fixing column 5 is elastically provided with a card block 12. The card block 12 is provided in four groups. The four groups of card blocks 12 are evenly and symmetrically distributed at the bottom end of the fixing column 5, and the four groups of card blocks 12 match the clamping groove 27. The clamping groove 27 is opened on the side wall of the fixing hole 26. The card block 12 passes through the through slot 24 and is connected to the inside of the fixing column 5. The end of the card block 12 away from the clamping groove 27 is in an inclined state, and an auxiliary rod 22 is fixedly provided at the bottom of the card block 12. The end of the auxiliary rod 22 away from the card block 12 is slidably provided inside the second limiting groove 21. The second limiting groove 21 is provided at the bottom end of the fixed column 5. A second return spring 23 is fixedly provided at one end of the auxiliary rod 22. The second return spring 23 is fixedly provided between the side wall inside the fixed column 5 and one side of the auxiliary rod 22. A first limiting groove 14 is provided on the outer surface of the fixed column 5. A button 11 is slidably provided inside the first limiting groove 14. Two groups of buttons 11 are provided, and the two groups of buttons 11 are symmetrically distributed with the fixed column 5 as the center;

[0034] The connecting block 9 is fixedly connected to a connecting column 13 at one end. The connecting column 13 is slidably arranged inside the fixed column 5. The outer surface of the connecting column 13 is sleeved with a first return spring 10. The first return spring 10 is fixedly arranged between the bottom end of the connecting block 9 and the upper end surface of the fixed column 5. The two sides of the end of the connecting column 13 away from the connecting block 9 match the inclined side walls of the card block 12, and the bottom center of the connecting column 13 is fixedly connected to a fixed block 18 at a symmetrical position. The side walls of the fixed block 18 on both sides of the end away from the connecting column 13 are fixedly provided with auxiliary blocks 2. 0, the two sets of auxiliary blocks 20 are both slidably arranged inside the groove 19, the groove 19 is opened at the central symmetrical position of the bottom wall inside the fixed column 5, and the side wall of the connecting column 13 near the upper end surface is provided with two sets of symmetrically distributed sinking grooves 15, and the interior of the sinking groove 15 is elastically provided with a top holding block 16, the cross section of the top holding block 16 is a "convex" structure, and the size of the top holding block 16 matches the side wall of the button 11, and the interior of the sinking groove 15 is provided with a spring piece 17, which is fixed between the side wall of the top holding block 16 and the inner wall of the sinking groove 15.

[0035] An EDC return pipeline comprises the above-mentioned installation valve.

[0036] Working principle: In actual use, the flange 3 at one end of the return pipeline 1 is connected to the flange 3 at one end of the valve 2, and then the fixing columns 5 are respectively inserted into the through holes opened on the surface of one group of flanges 3, and then inserted into the fixing holes 26 opened on the side walls of another group of flanges 3, and then the slide groove 6 passes through the surface of the fixing column 5 and is screwed to the outer surface of the fixing column 5 for preliminary fixation, and then the connecting block 9 is pressed down. During the pressing process of the connecting block 9, the connecting block 9 will drive the connecting column 13 to move downward, and during the pressing process of the connecting block 9, the first return spring 10 is compressed. When the connecting column 13 moves downward, the bottom end of the connecting column 13 will squeeze the four groups of blocks 12 elastically arranged on the side wall of the fixing column 5, causing the four groups of blocks 12 to be inserted into the inside of the clamping groove 27, and when the block 12 moves toward the inside of the clamping groove 27, the second return spring 23 connected to the side wall of the auxiliary rod 22 will be When the cam 14 is in the closed position, the spring 16 is engaged with the spring 17 and the spring 18 is engaged with the spring 17. When the cam 14 is in the closed position, the spring 16 is engaged with the spring 17 and the spring 18 is engaged with the spring 17. When the cam 14 is in the closed position, the spring 16 is engaged with the spring 17 and the spring 18 is engaged with the spring 17. When the cam 14 is engaged with the spring 17, the spring 16 is engaged with the spring 17 and the spring 18 is engaged with the spring 17.

[0037] When the two sets of flanges 3 need to be separated, slide the protective plate 4 to one side, and then press the two sets of buttons 11 inward at the same time. When the two sets of buttons 11 slide inward, the buttons 11 will support the supporting block 16 to slide into the sink 15. When the supporting block 16 is completely out of the first limiting groove 14, under the action of the first return spring 10, the connecting block 9 will drive the connecting column 13 to move upward. At the same time, under the action of the second return spring 23, the auxiliary rod 22 drives the card block 12 to slide into the inside of the fixed column 5. At this time, the separation of the two sets of flanges 3 is completed.

[0038] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A mounting valve, characterized in that: The valve installation comprises: One end of the return line (1) is connected to one end of the valve (2) through a flange (3); A fixing column (5) has one end inserted into the fixing hole (26), and a nut (8) is screwed onto the surface of one end of the fixing column (5) away from the fixing hole (26); A connecting block (9) having a connecting column (13) fixedly connected to one end thereof, wherein the connecting column (13) is slidably arranged inside the fixed column (5); The flanges (3) are provided in two groups, and the two groups of flanges (3) are fixedly provided at the ends of the return pipeline (1) and the valve (2), respectively, and the two groups of flanges (3) are connected via a fixing column (5); A sliding groove (6) is provided on one end surface of the valve (2), and two groups of sliding grooves (6) are provided. The two groups of sliding grooves (6) are symmetrically distributed with the valve (2) as the center, and a slider (7) is provided inside the sliding groove (6). The end of the slider (7) away from the sliding groove (6) is fixedly provided on the inner wall of the protective plate (4). The protective plate (4) is a hollow semi-annular structure, and the diameter of the protective plate (4) is larger than the diameter of the flange (3). A clamping ball (25) is elastically provided inside the sliding groove (6), and the clamping ball (25) is located at one end close to the flange (3); The fixing columns (5) are provided in six groups, and the six groups of fixing columns (5) are evenly and symmetrically distributed on the side walls of the flange (3), and the six groups of fixing columns (5) all penetrate the side walls of one group of flanges (3) and are inserted into the interior of another group of flanges (3); The bottom of the fixed column (5) is elastically provided with a card block (12), and the card block (12) is provided in four groups. The four groups of card blocks (12) are evenly and symmetrically distributed at the bottom end of the fixed column (5), and the four groups of card blocks (12) match the clamping groove (27). The clamping groove (27) is opened on the side wall of the fixing hole (26); The clamping block (12) passes through the through slot (24) and is connected to the interior of the fixed column (5), and the end of the clamping block (12) away from the clamping slot (27) is in an inclined state. An auxiliary rod (22) is fixedly provided at the bottom of the clamping block (12). The end of the auxiliary rod (22) away from the clamping block (12) is slidably provided inside the second limiting slot (21). The second limiting slot (21) is opened at the bottom end inside the fixed column (5). A second return spring (23) is fixedly provided at one end of the auxiliary rod (22). The second return spring (23) is fixedly provided between the side wall inside the fixed column (5) and one side of the auxiliary rod (22).

2. A mounting valve according to claim 1, characterized in that: The outer surface of the fixed column (5) is provided with a first limiting groove (14), and a button (11) is slidably provided inside the first limiting groove (14). The buttons (11) are provided in two groups, and the two groups of buttons (11) are symmetrically distributed with the fixed column (5) as the center.

3. The mounting valve according to claim 1, characterized in that: The outer surface of the connecting column (13) is sleeved with a first return spring (10), and the first return spring (10) is fixedly arranged between the bottom end of the connecting block (9) and the upper end surface of the fixed column (5). The two sides of the end of the connecting column (13) away from the connecting block (9) match the inclined side walls of the clamping block (12), and the bottom center symmetrical position of the connecting column (13) is fixedly connected with a fixed block (18), and the side walls of both sides of the end of the fixed block (18) away from the connecting column (13) are fixedly provided with auxiliary blocks (20), and the two sets of auxiliary blocks (20) are both slidably arranged inside the groove (19), and the groove (19) is opened at the center symmetrical position of the bottom wall inside the fixed column (5).

4. A mounting valve according to claim 3, characterized in that: The side wall of the connecting column (13) near the upper end surface is provided with two groups of symmetrically distributed sink grooves (15), and a top holding block (16) is elastically provided inside the sink groove (15). The cross section of the top holding block (16) is a "convex" structure, and the size of the top holding block (16) matches the side wall of the button (11). A spring piece (17) is provided inside the sink groove (15), and the spring piece (17) is fixedly provided between the side wall of the top holding block (16) and the inner wall of the sink groove (15).

5. An EDC reflux pipeline, characterized by: The invention comprises the installation valve according to any one of claims 1 to 4.

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