Limiting structure of double-guide-rod one-way valve of high-pressure diaphragm pump

Abstract

The limiting structure of the double-guide-rod one-way valve of the high-pressure diaphragm pump comprises a one-way valve, splicing inserting grooves are formed in the upper end and the lower end of the inner wall of an upper limiting clamping block and the upper end and the lower end of the inner wall of a lower limiting clamping block respectively, and splicing inserting blocks are installed on the inner walls of the splicing inserting grooves in an inserted mode. And a first locking knob is inserted into the center position of one end of the upper limiting clamping block and the center position of one end of the lower limiting clamping block. According to the limiting structure of the double-guide-rod one-way valve of the high-pressure diaphragm pump, the one-way valve can be vertically clamped, limited and installed through the upper limiting clamping block, the cushion block and the lower limiting clamping block, and the one-way valve and the high-pressure diaphragm pump can be fixed through a bolt through the installation frame, the fixing bolt and the high-pressure diaphragm pump; and transverse and vertical telescopic adjustment can be performed through the mounting frame, the extension insertion block, the lifting sleeve plate and the lifting insertion block, the adaptability is good, extrusion supporting can be performed through the cushion block, locking and fixing can be assisted through the first locking knob, the cushion block can be slidably disassembled and assembled through the splicing insertion block and the splicing insertion groove, use is more convenient, and mounting is stable.

Description

Technical Field

[0001] The utility model relates to the technical field of double-guide-rod one-way valves of high-pressure diaphragm pumps, and specifically relates to a limiting structure for a double-guide-rod one-way valve of a high-pressure diaphragm pump. Background Technique

[0002] The one-way valve is a core device in pipeline transportation. As an important vulnerable spare part of the main pump device, it is an essential consumable spare part in production. The one-way valve is a reciprocating mechanical device and is widely used in the production fields of petroleum, chemical industry, coal, and metallurgy. The one-way valve is an important component that realizes the positive displacement function during the operation of the main pump and continuously sends the slurry into the main pipeline, and it has the important functions of opening and closing.

[0003] In the existing CN216590117U, the valve seat and the valve chamber of a double-guide-rod one-way valve are two independent components. In the case of equipment wear that needs to be replaced, the valve seat or the lower guide rod can be directly replaced without replacing the entire valve, effectively reducing the equipment operation cost of the entire equipment. However, there are deficiencies. The existing equipment cannot perform installation limiting on it, the installation stability is not good, and the use adaptability is not good, making it inconvenient to use. Therefore, a limiting structure for a double-guide-rod one-way 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 limiting structure for a double-guide-rod one-way valve of a high-pressure diaphragm pump to solve the problems mentioned in the above background technique that the double-guide-rod one-way valve cannot perform installation limiting on it, the installation stability is not good, and the use adaptability is not good, making it inconvenient to use.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A limiting structure for a double-guide-rod one-way valve of a high-pressure diaphragm pump, including a one-way valve. Upper limiting clamps are distributed at the upper end of the one-way valve, and lower limiting clamps are distributed at the lower end of the one-way valve. A lifting insertion block is vertically and fixedly connected to the rear side of the lower end of the upper limiting clamp, and a lifting sleeve plate is sleeved on the outer wall of the lifting insertion block. The lower end of the lifting sleeve plate is fixedly connected to the rear side of the upper end of the lower limiting clamp, and a third locking knob is inserted and installed at the upper rear side of the lifting sleeve plate. Extension insertion blocks are fixedly connected to both sides of the upper limiting clamp and the lower limiting clamp, and an installation frame is sleeved on the outer wall of the extension insertion block. A fixing bolt is inserted and installed at one end of the installation frame, and a second locking knob is inserted and installed at the edge of the outer wall of the installation frame. Splicing slots are opened at the upper and lower ends of the inner walls of the upper limiting clamp and the lower limiting clamp, and splicing insertion blocks are inserted into the inner walls of the splicing slots. A cushion block is fixedly connected to one end of the splicing insertion block. A first locking knob is inserted and installed at the center position of one end of the upper limiting clamp and the lower limiting clamp.

[0006] Preferably, the upper limit clamping block and the lower limit clamping block are clamped and installed up and down with the one-way valve, and the upper limit clamping block and the lower limit clamping block are fixedly connected with the one-way valve in a locked manner through a first locking knob.

[0007] Preferably, the upper limit clamping block is connected to the lower limit clamping block in a lifting manner through a lifting insertion block in a lifting sleeve plate, and the lifting sleeve plate is fixedly connected with the lifting insertion block in a locked manner through a third locking knob.

[0008] Preferably, the mounting brackets and the fixing bolts are symmetrically distributed on both sides of the upper limit clamping block and the lower limit clamping block.

[0009] Preferably, the mounting brackets and the fixing bolts are horizontally telescopically connected to the upper limit clamping block and the lower limit clamping block through extension insertion blocks, and the mounting brackets and the fixing bolts are fixedly connected with the extension insertion blocks in a locked manner through second locking knobs.

[0010] Preferably, the cushion block is made of rubber, and the cushion block is slidably inserted and installed with the upper limit clamping block and the lower limit clamping block through a splicing insertion block in a splicing slot.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows: The limiting structure of the double-guide-rod one-way valve of the high-pressure diaphragm pump can clamp and limit the installation of the one-way valve up and down through the upper limit clamping block, the cushion block and the lower limit clamping block, and can be bolt-fixed to the high-pressure diaphragm pump through the mounting brackets and the fixing bolts. Moreover, it can be horizontally and vertically telescopically adjusted through the mounting brackets, the extension insertion blocks, the lifting sleeve plate and the lifting insertion blocks, with good adaptability. And it can be supported by extrusion of the cushion block, and can be assisted in locking and fixing through the first locking knob. Moreover, the cushion block can be slidably disassembled and assembled through the splicing insertion block and the splicing slot, which is more convenient to use and the installation is stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 is a front view of the limiting structure of the double-guide-rod one-way valve of a high-pressure diaphragm pump according to the present utility model;

[0013] Figure 2 is a schematic internal structure diagram of the limiting structure of the double-guide-rod one-way valve of a high-pressure diaphragm pump according to the present utility model;

[0014] Figure 3 is a connection diagram of the upper limit clamping block and the lower limit clamping block of the limiting structure of the double-guide-rod one-way valve of a high-pressure diaphragm pump according to the present utility model;

[0015] Figure 4 is the limiting structure of the double-guide-rod one-way valve of a high-pressure diaphragm pump according to the present utility model Figure 2 enlarged view at A in;

[0016] Figure 5 is the limiting structure of the double-guide-rod one-way valve of a high-pressure diaphragm pump according to the present utility model Figure 2Enlarged view at B in the figure;

[0017] Figure 6 This is a limit structure for a one-way valve of a double guide rod of a high-pressure diaphragm pump of the present utility model Figure 3 Enlarged view at C in the figure.

[0018] In the figure: 1, one-way valve; 2, upper limit clamping block; 3, mounting bracket; 4, fixing bolt; 5, first locking knob; 6, cushion block; 7, lifting sleeve plate; 8, lifting insertion block; 9, lower limit clamping block; 10, second locking knob; 11, extension insertion block; 12, splicing insertion block; 13, splicing slot; 14, third locking knob. Specific implementation mode

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

[0020] Please refer to Figures 1-6 , the present utility model provides a technical solution: a limit structure for a one-way valve of a double guide rod of a high-pressure diaphragm pump, including a one-way valve 1, an upper limit clamping block 2, a mounting bracket 3, a fixing bolt 4, a first locking knob 5, a cushion block 6, a lifting sleeve plate 7, a lifting insertion block 8, a lower limit clamping block 9, a second locking knob 10, an extension insertion block 11, a splicing insertion block 12, a splicing slot 13 and a third locking knob 14. The upper limit clamping block 2 is distributed at the upper end of the one-way valve 1, and the lower limit clamping block 9 is distributed at the lower end of the one-way valve 1. The upper limit clamping block 2 and the lower limit clamping block 9 are installed in a clamping manner with the one-way valve 1 up and down, and the upper limit clamping block 2 and the lower limit clamping block 9 are fixedly connected to the one-way valve 1 through the first locking knob 5. In this way, the upper limit clamping block 2 and the lower limit clamping block 9 can conveniently limit and clamp the one-way valve 1, and can be assisted in locking and fixing through the first locking knob 5. The upper limit clamping block 2 is connected with the lower limit clamping block 9 in a lifting manner through the lifting insertion block 8 in the lifting sleeve plate 7, and the lifting sleeve plate 7 is fixedly connected with the lifting insertion block 8 through the third locking knob 14. In this way, the upper limit clamping block 2 and the lower limit clamping block 9 can be adjusted in lifting, and the adaptability is good.

[0021] A lifting insertion block 8 is vertically and fixedly connected to the rear side of the lower end of the upper limit clamping block 2. A lifting sleeve plate 7 is sleeved on the outer wall of the lifting insertion block 8. The lower end of the lifting sleeve plate 7 is fixedly connected to the rear side of the upper end of the lower limit clamping block 9. A third locking knob 14 is inserted and installed at the upper rear side of the lifting sleeve plate 7. Extension insertion blocks 11 are fixedly connected to both sides of the upper limit clamping block 2 and the lower limit clamping block 9. An installation frame 3 is sleeved on the outer wall of the extension insertion block 11. The installation frame 3 and the fixing bolts 4 are distributed symmetrically on both sides of the upper limit clamping block 2 and the lower limit clamping block 9, so that the installation frame 3 and the fixing bolts 4 are convenient for transposition installation and more convenient to install.

[0022] The installation frame 3 and the fixing bolts 4 are horizontally telescopically connected to the upper limit clamping block 2 and the lower limit clamping block 9 through the extension insertion blocks 11. The installation frame 3 and the fixing bolts 4 are tightly and fixedly connected to the extension insertion blocks 11 through the second locking knobs 10, so that the installation frame 3 and the fixing bolts 4 are convenient for telescopic adjustment and convenient for adaptation adjustment. One end of the installation frame 3 is inserted and installed with a fixing bolt 4, and the second locking knob 10 is inserted and installed on the outer wall edge of the installation frame 3. Splicing slots 13 are opened at the upper and lower ends of the inner walls of the upper limit clamping block 2 and the lower limit clamping block 9. Splicing insertion blocks 12 are inserted and installed in the inner walls of the splicing slots 13. One end of the splicing insertion block 12 is fixedly connected with a cushion block 6. The cushion block 6 is made of rubber material. The cushion block 6 is slidably inserted and installed in the splicing slots 13 with the upper limit clamping block 2 and the lower limit clamping block 9 through the splicing insertion blocks 12, so that the cushion block 6 can elastically clamp the one-way valve 1, with stable installation, and can be quickly disassembled and assembled by sliding, which is convenient to use. A first locking knob 5 is inserted and installed at the central position of one end of the upper limit clamping block 2 and the lower limit clamping block 9.

[0023] Working principle: When using the limiting structure of the double-guide-rod one-way valve of the high-pressure diaphragm pump, first, the upper limit clamping block 2 and the lower limit clamping block 9 of the device are spliced and installed with the high-pressure diaphragm pump through the installation frame 3 and the fixing bolts 4. Then, the one-way valve 1 is inserted between the upper limit clamping block 2 and the lower limit clamping block 9 for clamping and limiting. Then, it is connected and installed with the high-pressure diaphragm pump, and then locked and fixed through the first locking knob 5. When adaptation adjustment is required, horizontal and vertical telescopic adjustment can be carried out through the installation frame 3, the extension insertion block 11, the lifting sleeve plate 7, and the lifting insertion block 8, and locked and fixed through the second locking knob 10 and the third locking knob 14 for adaptation adjustment of the one-way valve 1. When the cushion block 6 is damaged, it can be disassembled, assembled, and replaced by sliding insertion through the splicing insertion block 12 and the splicing slot 13. This is the use process of the limiting structure of the double-guide-rod one-way valve of the high-pressure diaphragm pump.

[0024] Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A limiting structure for a one-way valve of a double guide rod of a high-pressure diaphragm pump, comprising a one-way valve (1), upper limiting clamping blocks (2) are distributed at the upper end of the one-way valve (1), and lower limiting clamping blocks (9) are distributed at the lower end of the one-way valve (1), and it is characterized in that: A lifting insertion block (8) is vertically and fixedly connected to the rear side of the lower end of the upper limit clamping block (2), and a lifting sleeve plate (7) is sleeved on the outer wall of the lifting insertion block (8). The lower end of the lifting sleeve plate (7) is fixedly connected to the rear side of the upper end of the lower limit clamping block (9), and a third locking knob (14) is inserted and installed at the upper rear side of the lifting sleeve plate (7). Extension insertion blocks (11) are fixedly connected to both sides of the upper limit clamping block (2) and the lower limit clamping block (9), and a mounting frame (3) is sleeved on the outer wall of the extension insertion block (11). A fixing bolt (4) is inserted and installed at one end of the mounting frame (3), and a second locking knob (10) is inserted and installed at the edge of the outer wall of the mounting frame (3). Splicing slots (13) are provided at the upper and lower ends of the inner walls of the upper limit clamping block (2) and the lower limit clamping block (9), and splicing insertion blocks (12) are inserted and installed in the inner walls of the splicing slots (13). A cushion block (6) is fixedly connected to one end of the splicing insertion block (12), and a first locking knob (5) is inserted and installed at the central position of one end of the upper limit clamping block (2) and the lower limit clamping block (9).

2. The limit structure of a one-way valve with double guide rods for a high-pressure diaphragm pump according to claim 1, wherein: The upper limit clamping block (2) and the lower limit clamping block (9) are clamped and installed above and below the one-way valve (1), and the upper limit clamping block (2) and the lower limit clamping block (9) are fixedly connected to the one-way valve (1) in a locked manner through the first locking knob (5).

3. The limit structure of a one-way valve with double guide rods for a high-pressure diaphragm pump according to claim 2, characterized in that: The upper limit clamping block (2) is connected to the lower limit clamping block (9) in a lifting manner through the lifting insertion block (8) in the lifting sleeve plate (7), and the lifting sleeve plate (7) is fixedly connected to the lifting insertion block (8) in a locked manner through the third locking knob (14).

4. The limit structure of the one-way valve of the double guide rods of the high-pressure diaphragm pump according to claim 3, characterized in that: The mounting frames (3) and the fixing bolts (4) are symmetrically distributed on both sides of the upper limit clamping block (2) and the lower limit clamping block (9).

5. The limiting structure of the one-way valve of the double guide rods of a high-pressure diaphragm pump according to claim 4, characterized in that: The mounting frames (3) and the fixing bolts (4) are horizontally telescopically connected to the upper limit clamping block (2) and the lower limit clamping block (9) through the extension insertion blocks (11), and the mounting frames (3) and the fixing bolts (4) are fixedly connected to the extension insertion blocks (11) in a locked manner through the second locking knobs (10).

6. The limiting structure of the one-way valve of the double guide rods of the high-pressure diaphragm pump according to claim 5, characterized in that: The cushion block (6) is made of rubber material, and the cushion block (6) is slidably inserted and installed in the splicing slots (13) of the upper limit clamping block (2) and the lower limit clamping block (9) through the splicing insertion blocks (12).

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