Quick-release valve seat device for one-way valve of high-pressure diaphragm pump

Abstract

The quick-release valve seat device comprises a valve seat, a second nut is installed at the lower end of the outer wall of a screw insertion rod in a sleeved mode, a threaded groove is formed in the edge of the lower end of the valve seat, a threaded ring is installed on the inner wall of the threaded groove in an inserted mode, and the lower end of the threaded ring is fixedly connected with the edge of the upper end of the valve seat. Flange plates are fixedly connected to the upper end of the outer wall of the valve seat and the lower end of the outer wall of the valve box, and fixing bolts are inserted into the inner walls of the flange plates. According to the quick-release valve seat device for the one-way valve of the high-pressure diaphragm pump, the valve seat and the valve box can be quickly positioned, rotationally disassembled and assembled through the handle, the fixing bolt and the threaded groove, bolt fixing can be conducted through the flange plate and the fixing bolt, and installation is more stable; the supporting plate and the valve seat can be locked, clamped and installed through the screw rod sleeve, the screw rod inserting rod, the first nut and the second nut, the screw rod sleeve and the screw rod inserting rod are adjusted in a rotating and telescopic mode, the supporting plate can be elastically attached, and the adaptability is good.

Description

Technical Field

[0001] The utility model relates to the technical field of the check valve seat of a high-pressure diaphragm pump, in particular to a quick-disassembly valve seat device for the check valve of a high-pressure diaphragm pump. Background Technique

[0002] The check valve of a high-pressure pulp diaphragm pump is a reciprocating positive-displacement pump, which is used to transport erosive materials such as liquid, iron concentrate pulp, red mud, etc. The design feature of this pump is that the pumped pulp will not come into contact with moving parts such as pistons and cylinder linings. A mechanical separation is created between the pumped material and the clean propulsion fluid (the working environment of the moving parts) by the diaphragm.

[0003] The existing CN105127951A, a check valve seat extractor for a high-pressure pulp diaphragm pump, can quickly and effectively extract the check valve seat, reduce the labor intensity of maintenance, improve the maintenance efficiency, ensure and escort the improvement of productivity, and is not easy to damage the valve chamber, thus saving a large amount of costs. However, there are deficiencies. The disassembly and assembly stability of the existing equipment is not good, the adaptability is not high, and it is not convenient to use. Therefore, a quick-disassembly valve seat device for the check valve of a high-pressure diaphragm pump is needed to solve the above problems. Content of the Utility Model

[0004] The purpose of the utility model is to provide a quick-disassembly valve seat device for the check valve of a high-pressure diaphragm pump, so as to solve the problems that the disassembly and assembly stability of the check valve seat extractor for the high-pressure pulp diaphragm pump mentioned in the above background technique is not good, the adaptability is not high, and it is not convenient to use.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A quick-disassembly valve seat device for the check valve of a high-pressure diaphragm pump, including a valve seat, a valve box is installed at the upper end of the valve seat, and a support plate is installed at the upper end of the valve box. A positioning installation slot is opened at the upper end edge of the valve box, and a positioning installation insert block is inserted and installed on the inner wall of the positioning installation slot. The upper end of the positioning installation insert block is fixedly connected to the lower end edge of the support plate, and a sealing ring is distributed inside the positioning installation insert block. An installation slot is opened at the central position of the inner wall of the support plate, and a screw sleeve is inserted and installed on the inner wall of the installation slot. A first nut is sleeved and installed on the outer wall of the upper end of the screw sleeve, and a screw insert rod is inserted and installed in the inner wall of the screw sleeve. A support plate is sleeved and installed on the outer wall of the screw insert rod, and one end of the support plate is inserted and installed on the inner wall of the valve seat. A second nut is sleeved and installed on the outer wall of the lower end of the screw insert rod. A thread groove is opened at the lower end edge of the valve seat, and a thread ring is inserted and installed on the inner wall of the thread groove. The lower end of the thread ring is fixedly connected to the upper end edge of the valve seat, and flange plates are fixedly connected to the upper end of the outer wall of the valve seat and the lower end of the outer wall of the valve box. A fixing bolt is inserted and installed in the inner wall of the flange plate. A handle is fixedly connected to the outer wall of the valve box.

[0006] Preferably, the valve seat is rotatably spliced and installed with the valve box in the thread groove through a thread ring, and the valve seat is bolt-fixed with the valve box in the flange through a fixing bolt. The handles are symmetrically distributed on both sides of the valve seat.

[0007] Preferably, the support plate is positioned and spliced with the valve box in the positioning installation slot through the positioning installation insert block, and the support plate is inserted and sealed with the valve box through a sealing ring.

[0008] Preferably, the support plate and the valve seat are bolt-clamped with the valve box through the first nut on the outer wall of the screw sleeve and the second nut on the outer wall of the screw insert rod.

[0009] Preferably, the screw sleeve and the screw insert rod are rotatably telescopically connected.

[0010] Preferably, one end of the support plate is made of soft rubber material, and the support plate is elastically sealed with the inner wall of the valve seat.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows: The quick-disassembly valve seat device of the one-way valve of the high-pressure diaphragm pump can quickly position and rotate the valve seat and the valve box through the handle, the fixing bolt and the thread groove, and can be bolt-fixed through the flange and the fixing bolt, so the installation is more stable. Moreover, the support plate and the valve seat can be locked and clamped through the screw sleeve, the screw insert rod, the first nut and the second nut, and the screw sleeve and the screw insert rod can be rotated and telescopically adjusted, and the support plate can be elastically fitted, so the adaptability is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 is the front view of a quick-disassembly valve seat device of a one-way valve of a high-pressure diaphragm pump according to the present utility model;

[0013] Figure 2 is the schematic diagram of the internal structure of a quick-disassembly valve seat device of a one-way valve of a high-pressure diaphragm pump according to the present utility model;

[0014] Figure 3 is a high-pressure diaphragm pump one-way valve quick-disassembly valve seat device according to the present utility model Figure 2 the enlarged view at A;

[0015] Figure 4 is a high-pressure diaphragm pump one-way valve quick-disassembly valve seat device according to the present utility model Figure 2 the enlarged view at B;

[0016] Figure 5 is a high-pressure diaphragm pump one-way valve quick-disassembly valve seat device according to the present utility model Figure 2 the enlarged view at C;

[0017] Figure 6 is a high-pressure diaphragm pump one-way valve quick-disassembly valve seat device according to the present utility model Figure 2Enlarged view at D in the figure.

[0018] In the figure: 1, valve seat; 2, valve box; 3, support plate; 4, screw sleeve; 5, screw insert rod; 6, handle; 7, sealing ring; 8, positioning installation slot; 9, positioning installation insert block; 10, first nut; 11, installation slot; 12, flange; 13, fixing bolt; 14, thread groove; 15, thread ring; 16, support plate; 17, second nut. Specific implementation mode

[0019] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0020] Please refer to Figure 1-6 , the present invention provides a technical solution: a quick-disassembly valve seat device for a one-way valve of a high-pressure diaphragm pump, including a valve seat 1, a valve box 2, a support plate 3, a screw sleeve 4, a screw insert rod 5, a handle 6, a sealing ring 7, a positioning installation slot 8, a positioning installation insert block 9, a first nut 10, an installation slot 11, a flange 12, a fixing bolt 13, a thread groove 14, a thread ring 15, a support plate 16 and a second nut 17. The valve seat 1 is installed at the upper end of the valve box 2, and the support plate 3 is installed at the upper end of the valve box 2. The valve seat 1 is rotationally spliced and installed with the valve box 2 through the thread ring 15 in the thread groove 14, and the valve seat 1 is bolt-fixed with the valve box 2 through the fixing bolt 13 in the flange 12. The handles 6 are symmetrically distributed on both sides of the valve seat 1, so that the valve seat 1 can be quickly disassembled and assembled by rotation and can be stably installed by bolts.

[0021] The support plate 3 is positioned and spliced with the valve box 2 through the positioning installation insert block 9 in the positioning installation slot 8, and the support plate 3 is inserted and sealed with the valve box 2 through the sealing ring 7, so that the support plate 3 is convenient for positioning, splicing and sealing installation, and the installation is stable. The support plate 3 and the valve seat 1 are bolt-clamped with the valve box 2 through the first nut 10 on the outer wall of the screw sleeve 4 and the second nut 17 on the outer wall of the screw insert rod 5, so that the support plate 3 and the valve seat 1 can be assisted in clamping installation, and the installation is stable.

[0022] The upper edge of the valve box 2 is provided with a positioning and installation slot 8, and a positioning and installation insert block 9 is inserted and installed on the inner wall of the positioning and installation slot 8. The upper end of the positioning and installation insert block 9 is fixedly connected to the lower edge of the support plate 3, and a sealing ring 7 is distributed inside the positioning and installation insert block 9. A mounting slot 11 is provided at the central position of the inner wall of the support plate 3, and a screw sleeve 4 is inserted and installed on the inner wall of the mounting slot 11. The screw sleeve 4 and the screw insert rod 5 are rotationally and telescopically connected, so that the screw sleeve 4 and the screw insert rod 5 are convenient for rotational and telescopic adjustment, and are convenient for adapting to valve boxes 2 of different lengths.

[0023] A first nut 10 is sleeved and installed on the upper end of the outer wall of the screw sleeve 4, and a screw insert rod 5 is inserted and installed on the inner wall of the screw sleeve 4. A support plate 16 is sleeved and installed on the outer wall of the screw insert rod 5, and one end of the support plate 16 is inserted and installed on the inner wall of the valve seat 1. One end of the support plate 16 is made of soft rubber material, and the support plate 16 is in extrusion sealing connection with the inner wall of the valve seat 1, so that the support plate 16 is convenient for elastic adaptation and flexible use. A second nut 17 is sleeved and installed on the lower end of the outer wall of the screw insert rod 5. A thread groove 14 is provided at the lower edge of the valve seat 1, and a thread ring 15 is inserted and installed on the inner wall of the thread groove 14. The lower end of the thread ring 15 is fixedly connected to the upper edge of the valve seat 1, and flange plates 12 are fixedly connected to the upper end of the outer wall of the valve seat 1 and the lower end of the outer wall of the valve box 2. A fixing bolt 13 is inserted and installed on the inner wall of the flange plate 12, and a handle 6 is fixedly connected to the outer wall of the valve box 2.

[0024] Working principle: When using this quick-release valve seat device for the one-way valve of the high-pressure diaphragm pump, first, the valve seat 1 of the device is rotationally spliced and installed through the thread groove 14 and the thread ring 15, and then bolt-fixed through the flange plate 12 and the fixing bolt 13. Then, the support plate 3 is inserted and sealed with the valve box 2 through the sealing ring 7, the positioning and installation slot 8, and the positioning and installation insert block 9. Then, the screw sleeve 4 is inserted and installed with the support plate 3 through the installation slot 11, and then bolt-fixed with the screw sleeve 4 through the first nut 10. Then, the support plate 16 is inserted and installed with the screw insert rod 5 and locked and fixed through the second nut 17 to make it fit and seal with the inner wall of the valve seat 1. Then, when the valve box 2 needs to be disassembled and assembled, the support plate 16 can be disassembled, and the fixing bolt 13 can be unlocked. Then, the valve seat 1 can be quickly disassembled and assembled by rotating the handle 6. When it is necessary to adapt to valve boxes 2 of different lengths, the screw sleeve 4 and the screw insert rod 5 can be rotationally and telescopically adjusted. This is the use process of this quick-release valve seat device for the one-way valve of the high-pressure diaphragm pump.

[0025] Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A quick-release valve seat device for a one-way valve of a high-pressure diaphragm pump, comprising a valve seat (1), wherein a valve box (2) is installed at the upper end of the valve seat (1), and a support plate (3) is installed at the upper end of the valve box (2), and it is characterized in that: A positioning and installation slot (8) is provided at the upper edge of the valve box (2), and a positioning and installation plug (9) is inserted and installed on the inner wall of the positioning and installation slot (8). The upper end of the positioning and installation plug (9) is fixedly connected to the lower edge of the support plate (3), and a sealing ring (7) is distributed inside the positioning and installation plug (9). An installation slot (11) is provided at the central position of the inner wall of the support plate (3), and a screw sleeve (4) is inserted and installed on the inner wall of the installation slot (11). A first nut (10) is sleeved and installed on the upper end of the outer wall of the screw sleeve (4), and a screw rod insert (5) is inserted and installed on the inner wall of the screw sleeve (4). A support plate (16) is sleeved and installed on the outer wall of the screw rod insert (5), and one end of the support plate (16) is inserted and installed on the inner wall of the valve seat (1). A second nut (17) is sleeved and installed on the lower end of the outer wall of the screw rod insert (5). A thread groove (14) is provided at the lower edge of the valve seat (1), and a thread ring (15) is inserted and installed on the inner wall of the thread groove (14). The lower end of the thread ring (15) is fixedly connected to the upper edge of the valve seat (1), and flange plates (12) are fixedly connected to the upper end of the outer wall of the valve seat (1) and the lower end of the outer wall of the valve box (2). A fixing bolt (13) is inserted and installed on the inner wall of the flange plate (12). A handle (6) is fixedly connected to the outer wall of the valve box (2).

2. The quick-release valve seat device of the one-way valve of a high-pressure diaphragm pump according to claim 1, characterized in that: The valve seat (1) is rotationally spliced and installed with the valve box (2) through the thread ring (15) in the thread groove (14), and the valve seat (1) is bolt-fixedly installed with the valve box (2) through the fixing bolt (13) in the flange plate (12). The handles (6) are symmetrically distributed on both sides of the valve seat (1).

3. The one-way valve quick-release valve seat device of a high-pressure diaphragm pump according to claim 2, characterized in that: The support plate (3) is positioned and spliced with the valve box (2) through the positioning and installation plug (9) in the positioning and installation slot (8), and the support plate (3) is inserted and sealed with the valve box (2) through the sealing ring (7).

4. The quick-release valve seat device for a one-way valve of a high-pressure diaphragm pump according to claim 3, characterized in that: The support plate (3) and the valve seat (1) are bolt-clamped and installed with the valve box (2) through the first nut (10) on the outer wall of the screw sleeve (4) and the second nut (17) on the outer wall of the screw rod insert (5).

5. The quick-release valve seat device of a one-way valve of a high-pressure diaphragm pump according to claim 4, characterized in that: The screw sleeve (4) and the screw rod insert (5) are rotationally telescopically connected.

6. The one-way valve quick-release valve seat device of a high-pressure diaphragm pump according to claim 5, characterized in that: One end of the support plate (16) is made of soft rubber material, and the support plate (16) is in extrusion sealing connection with the inner wall of the valve seat (1).

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