Diaphragm pump valve seat dismounting tool

Abstract

The utility model discloses a diaphragm pump valve seat dismounting tool which comprises a bridge horizontally erected on the top of a valve box body, and a long-strip-shaped hole is vertically formed in the center of the bridge. The two pull rods are installed at the long-strip-shaped holes, and the dismounting plate is connected to the bottom ends of the two pull rods and located at the bottom of the valve seat. The two lifting bolts are connected to the top of the dismounting plate, the steel wire rope is connected to the lifting bolts, the top end of the steel wire rope is led out through a long-strip-shaped hole, two threaded connecting holes matched with the bottom end of the pull rod are formed in the surface of the dismounting plate in a penetrating mode, and threads are arranged at the bottom end of the pull rod; the diaphragm pump valve seat dismounting tool has the advantages of being simple in structure, small in size, convenient to operate and the like, the valve seat replacement efficiency can be remarkably improved, misoperation and part damage in the maintenance process are reduced, and therefore the maintenance cost is effectively reduced, the overall operation reliability and economical efficiency of a diaphragm pump are improved, and the service life of the diaphragm pump is prolonged. And meanwhile, the dismounting tool can be suitable for various valve box structures and is high in universality.

Description

TECHNICAL FIELD

[0001] The utility model belongs to diaphragm pump technical field, concretely relates to a diaphragm pump valve seat dismounting tool. BACKGROUND

[0002] As the key equipment in the fluid delivery system, the diaphragm pump is widely used in the delivery process of various corrosive, high viscosity or solid particle containing medium. The diaphragm pump drives the liquid in the pump cavity to realize the suction and discharge through the reciprocating movement of the diaphragm. The valve seat, one of the core components, plays a crucial role in controlling the unidirectional flow of fluid and sealing performance. However, during the long-term operation of the diaphragm pump, the valve seat is prone to wear, corrosion or deformation due to the frequent impact and friction from the valve body, which affects the working efficiency and service life of the pump. When the valve seat is damaged, timely replacement of the valve seat is necessary to restore the normal operation of the diaphragm pump.

[0003] However, the existing technology lacks a special tool designed specifically for replacing the diaphragm pump valve seat. Maintenance personnel often have to use traditional methods such as hammering and pressing to dismount the valve seat. These methods not only have a complicated operation process, but also consume time and effort. Moreover, it is difficult to accurately control the force and direction, which can easily cause unnecessary damage to other components of the mud pump around the valve seat, such as deformation of the valve body and scratching of the sealing surface, further increasing the maintenance cost and downtime. In addition, different models and specifications of diaphragm pumps have different valve box structures, and the dismounting tool with poor universality cannot meet the diversified maintenance needs. Maintenance personnel may need to prepare multiple sets of tools of different specifications to cope with different situations, which not only increases the complexity of tool management, but also limits the improvement of maintenance efficiency. Therefore, the utility model provides a diaphragm pump valve seat dismounting tool. UTILITY MODEL CONTENTS

[0004] The utility model aims to provide a diaphragm pump valve seat dismounting tool to solve the problems raised in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a diaphragm pump valve seat dismounting tool, comprising

[0006] The bridge is horizontally erected on the top of the valve box body, and a long hole is vertically provided at the center of the bridge;

[0007] Two pull rods are installed at the long hole, and a dismounting plate is connected to the bottom ends of the two pull rods and located at the bottom of the valve seat;

[0008] Two lifting ring screws are connected to the top of the dismounting plate, and a steel wire rope is connected to the lifting ring screws and led out through the long hole at the top end.

[0009] Preferably, the surface of the dismounting plate is provided with two threaded connection holes matched with the bottom end of the pull rod, the bottom end of the pull rod is provided with threads, and the bottom end of the pull rod is screwed into the threaded connection hole.

[0010] Preferably, the top surface of the dismounting plate is provided with two threaded connection grooves matched with the lifting ring screw, and the bottom end of the lifting ring screw is screwed into the threaded connection groove.

[0011] Preferably, the top end of the pull rod is provided with a nut and a gasket relative to the top of the bridge, and the nut is located at the top of the gasket.

[0012] Preferably, the top end of the pull rod is provided with threads, and the top end of the pull rod is screwed with the nut.

[0013] Preferably, the bottom end of the steel wire rope is connected to the top end surface of the lifting ring screw, and the top end of the steel wire rope is provided with two rope rings.

[0014] Preferably, the positioning structure is arranged between the bridge and the valve box.

[0015] Preferably, the positioning structure comprises two positioning blocks fixed to the bottom surface of the bridge, and the positioning blocks correspond to the bolt grooves on the top surface of the valve box.

[0016] Compared with the prior art, the diaphragm pump valve seat dismounting tool has the advantages of simple structure, small size, convenient operation, etc., can significantly improve the efficiency of valve seat replacement, reduce the misoperation and component damage in the maintenance process, thereby effectively reducing the maintenance cost, improving the overall operation reliability and economy of the diaphragm pump, and the dismounting tool can be applied to various valve box structures, and has high universality. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic view of the utility model;

[0018] Figure 2 It is a structural schematic view of the bridge, the pull rod and the dismounting plate of the utility model;

[0019] Figure 3 It is a sectional view schematic view of the dismounting plate of the utility model being put into the valve seat through the steel wire rope;

[0020] Figure 4 It is a dismounting sectional view schematic view of the valve seat of the dismounting plate of the utility model;

[0021] Figure 5 It is a structural schematic view of the utility model Figure 3 It is a local enlarged view of area A of the utility model;

[0022] In the figure: 1, bridge; 11, long hole; 12, positioning block; 2, pull rod; 21, nut; 22, gasket; 3, dismounting plate; 31, threaded connection groove; 32, threaded connection hole; 4, lifting eye bolt; 5, steel wire rope; 6, valve box; 61, bolt groove; 7, valve seat. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] Embodiment 1

[0025] Please refer to Figures 1 to 4 , the first embodiment of the utility model, the embodiment provides a technical scheme: a diaphragm pump valve seat dismounting tool, comprising

[0026] The bridge 1 is horizontally erected on the top of the valve box 6, and a long hole 11 is vertically formed in the center of the bridge 1. The long hole 11 is designed for the subsequent pull rod 2 to pass through and for the subsequent steel wire rope 5 to be led out.

[0027] And two pull rods 2 installed at the long hole 11, a dismounting plate 3 connected at the bottom end of the two pull rods 2 and at the bottom of the valve seat 7.

[0028] And two lifting eye bolts 4 connected at the top of the dismounting plate 3, a steel wire rope 5 connected at the lifting eye bolt 4 and led out through the long hole 11 at the top end. In actual use, the dismounting plate 3 can be first vertically hoisted into the inside of the valve box 6 and hoisted to the bottom of the valve seat 7 through the steel wire rope 5, then the dismounting plate 3 is pulled flat by lifting the steel wire rope 5, and the dismounting plate 3 can be horizontally attached to the bottom surface of the valve seat 7, which can be used for subsequent installation of the pull rod 2 and dismounting of the valve seat 7.

[0029] In the embodiment, preferably, two threaded connection holes 32 adapted to the bottom end of the pull rod 2 are formed through the surface of the dismounting plate 3, the bottom end of the pull rod 2 is provided with a thread, and the bottom end of the pull rod 2 is screwed into the threaded connection hole 32, so that the bottom end of the pull rod 2 can be screwed together with the dismounting plate 3 to complete the assembly.

[0030] In the embodiment, preferably, two threaded connection grooves 31 adapted to the lifting eye bolt 4 are formed on the top surface of the dismounting plate 3, and the bottom end of the lifting eye bolt 4 is screwed into the threaded connection groove 31, so that the bottom end of the lifting eye bolt 4 can be screwed together with the dismounting plate 3 to complete the assembly.

[0031] In this embodiment, preferably, the top end of the pull rod 2 is sleeved with a nut 21 and a gasket 22 relative to the top of the bridge 1, and the nut 21 is located at the top of the gasket 22.

[0032] In this embodiment, preferably, the top end of the pull rod 2 is provided with a thread, and the top end of the pull rod 2 is screwed with the nut 21, so that the subsequent nut 21 can be smoothly rotated and screwed at the top end of the pull rod 2.

[0033] In this embodiment, preferably, the bottom end of the steel wire rope 5 is connected to the top end surface of the lifting ring screw 4, and the top end of the steel wire rope 5 is provided with two rope rings, which are convenient for the subsequent lifting of the steel wire rope 5 by the operator.

[0034] Embodiment 2

[0035] Please refer to Figures 1 to 5 , the second embodiment of the utility model, this embodiment provides a kind of technical scheme: a diaphragm pump valve seat dismounting tool, including

[0036] Bridge 1 is horizontally erected on the top of valve box 6, and long slot 11 is vertically provided at the center of bridge 1, and long slot 11 is designed to be penetrated by subsequent pull rod 2 and to be led out by subsequent steel wire rope 5;

[0037] And two pull rods 2 installed at long slot 11, dismounting plate 3 connected at the bottom end of two pull rods 2 and at the bottom of valve seat 7;

[0038] And two lifting ring screws 4 connected at the top of dismounting plate 3, steel wire rope 5 connected on lifting ring screw 4 and led out by long slot 11 at top end, actually used, can first be dismounting plate 3 by steel wire rope 5 vertically hoisted into the inside of valve box 6 and hoisted to the bottom of valve seat 7, then by lifting steel wire rope 5, dismounting plate 3 is pulled flat, and dismounting plate 3 can be horizontally attached to the bottom surface of valve seat 7, i.e. subsequent pull rod 2 can be installed and valve seat 7 can be dismounted.

[0039] In this embodiment, preferably, the surface of the dismounting plate 3 is penetrated with two threaded connection holes 32 adapted to the bottom end of the pull rod 2, the bottom end of the pull rod 2 is provided with a thread, and the bottom end of the pull rod 2 is screwed into the threaded connection hole 32, so that the bottom end of the pull rod 2 can be screwed together with the dismounting plate 3 to complete the assembly.

[0040] In this embodiment, preferably, the top surface of the dismounting plate 3 is provided with two threaded connection grooves 31 adapted to the lifting ring screw 4, and the bottom end of the lifting ring screw 4 is screwed into the threaded connection groove 31, so that the bottom end of the lifting ring screw 4 can be screwed together with the dismounting plate 3 to complete the assembly.

[0041] In this embodiment, preferably, the top end of the pull rod 2 is sleeved with a nut 21 and a gasket 22 relative to the top of the bridge 1, and the nut 21 is on the top of the gasket 22.

[0042] In this embodiment, preferably, the top end of the pull rod 2 is provided with a thread, and the top end of the pull rod 2 is screwed with the nut 21, so that the subsequent nut 21 can be smoothly rotated and screwed on the top end of the pull rod 2.

[0043] In this embodiment, preferably, the bottom end of the steel wire rope 5 is connected to the top end surface of the lifting ring screw 4, and the top end of the steel wire rope 5 is provided with two rope rings, which facilitates the subsequent lifting of the steel wire rope 5 by the operator.

[0044] Further comprising a positioning structure arranged between the bridge 1 and the valve box 6, which can ensure the stability of the bridge 1 when erected on the top of the valve box 6, prevent horizontal sliding, and ensure the installation stability of the tool during subsequent disassembly.

[0045] In this embodiment, preferably, the positioning structure comprises two positioning blocks 12 welded and fixed on the bottom surface of the bridge 1, and the positioning blocks 12 correspond to the bolt grooves 61 on the top surface of the valve box 6. In actual use, the bridge 1 is first erected on the top of the valve box 6, and the positioning blocks 12 are inserted into the bolt grooves 61, so as to position the bridge 1 and prevent the bridge 1 from moving horizontally during subsequent use, thereby ensuring the stability of the tool and providing stable protection for the subsequent disassembly of the valve seat 7.

[0046] In summary, in actual use of the diaphragm pump valve seat disassembly tool, the bridge 1 is first horizontally erected above the valve box 6, then two lifting ring screws 4 are installed on the top of the disassembly plate 3, and a steel wire rope 5 is connected to each lifting ring screw 4, so that the disassembly plate 3 can be put into the inside of the valve box 6 through the long slot 11 in the center of the bridge 1 by the steel wire rope 5. When putting in, the height of the two steel wire ropes 5 can be adjusted to keep the disassembly plate 3 in a vertical state, so that the disassembly plate 3 can smoothly pass through the valve seat 7 and be hung to the bottom of the valve seat 7. At this time, the two steel wire ropes 5 are simultaneously lifted, so that the disassembly plate 3 is pulled to a horizontal state and can be embedded with the bottom of the valve seat 7 (as shown in Figure 3 Figure 4 ​The diaphragm pump valve seat 7 can be disassembled and replaced quickly, and the replacement efficiency of the diaphragm pump valve seat 7 can be obviously improved.

[0047] Although the embodiments of the utility model have been shown and described (see the above detailed description), it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A diaphragm pump valve seat disassembly tool, characterized in that: include A cable tray (1) is horizontally mounted on the top of the valve box (6), and a long strip hole (11) is vertically opened at the center of the cable tray (1); And two pull rods (2) installed at the elongated hole (11), and a disassembly plate (3) connected to the bottom of the two pull rods (2) and located at the bottom of the valve seat (7); And two eye bolts (4) connected to the top of the disassembly plate (3), and a wire rope (5) connected to the eye bolts (4) and led out through the elongated hole (11) at the top.

2. The diaphragm pump valve seat disassembly tool according to claim 1, characterized in that: The surface of the disassembly plate (3) has two threaded connection holes (32) that are adapted to the bottom end of the pull rod (2). The bottom end of the pull rod (2) is threaded and screwed into the threaded connection hole (32).

3. The diaphragm pump valve seat disassembly tool according to claim 1, characterized in that: The top surface of the disassembly plate (3) has two threaded connection grooves (31) that are compatible with the eye bolts (4), and the bottom end of the eye bolts (4) is screwed into the threaded connection grooves (31).

4. The diaphragm pump valve seat disassembly tool according to claim 1, characterized in that: The top of the tie rod (2) is fitted with a nut (21) and a washer (22) relative to the top of the bridge frame (1), and the nut (21) is on top of the washer (22).

5. A diaphragm pump valve seat disassembly tool according to claim 4, characterized in that: The top end of the pull rod (2) is threaded, and the top end of the pull rod (2) is threadedly connected to the nut (21).

6. A diaphragm pump valve seat disassembly tool according to claim 1, characterized in that: The bottom end of the wire rope (5) is connected to the top surface of the eye bolt (4), and the top end of the wire rope (5) is provided with two loops.

7. A diaphragm pump valve seat disassembly tool according to claim 1, characterized in that: It also includes a positioning structure, which is disposed between the cable tray (1) and the valve box (6).

8. A diaphragm pump valve seat disassembly tool according to claim 7, characterized in that: The positioning structure includes two positioning blocks (12) fixed on the bottom surface of the cable tray (1), and the positioning blocks (12) correspond to the bolt grooves (61) on the top surface of the valve box (6).

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