Corrosion-resistant pump machine sealing part

Abstract

The utility model relates to the technical field of sealing pieces, and discloses a corrosion-resistant pump machine sealing piece which comprises a ring seat, a communicating pipe is fixedly installed on the inner side of the ring seat in a penetrating mode, and a pump body pipe and a conveying pipe are arranged on the left side and the right side of the ring seat respectively. Through the arrangement of the ring seat, the communicating pipe, the fixing mechanism and the like, butt joint and fixation between the pump body pipe and the conveying pipe can be rapidly completed, the installation efficiency is high, butt joint use of the conveying pipe with a certain diameter range can be matched, the butt joint requirement conditions of the pump body pipe and the conveying pipe are reduced, and the universal rate and the utilization rate are improved; by arranging the first inflatable air bag and the second inflatable air bag, the inner walls of the pump body pipe and the conveying pipe are tightly sealed, the sealing effect is improved, the first air bag, the second air bag, the communicating pipe, the first limiting ring and the second limiting ring are all made of corrosion-resistant materials, good corrosion resistance is achieved, corrosive liquid can be conveyed more stably, and the service life of the pump is prolonged. The service life of the device is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of sealing components, in particular to a corrosion-resistant pump sealing component. Background Art

[0002] A pump is a commonly used conveying device for transporting liquid media. When powered, it generates strong mechanical energy and then converts the mechanical energy into liquid energy, thereby achieving the purpose of conveying liquid or pressurizing the liquid. Common pumps can be divided into three categories according to their working principles: positive displacement pumps, dynamic pumps, and other types of pumps. They are widely used in conveying mechanisms for different liquid media in various industries.

[0003] The pump needs to use seals between its connecting pipes to prevent the risk of leakage. However, the seals of existing pumps usually directly clamp a sealing gasket between the pipes, which has limited sealing effect and poor corrosion resistance. If corrosive liquids are transported for a long time, it is more likely to cause the sealing effect to deteriorate further, causing leakage in the pipes. In addition, the diameters of some connected delivery pipes and the connecting pipes of the pump body are different, and they cannot be well connected by threads, making installation more troublesome. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] The utility model aims to provide a corrosion-resistant pump seal to solve the problem raised in the above-mentioned background technology that the seals of existing pumps usually directly clamp a sealing gasket between pipelines, which has limited sealing effect and poor corrosion resistance. If corrosive liquids are transported for a long time, it is more likely to cause the sealing effect to deteriorate further, resulting in pipeline leakage. In addition, the diameter of some connected delivery pipelines is different from the diameter of the connecting pipe of the pump body, and they cannot be well connected by threaded connection, making installation more troublesome.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a corrosion-resistant pump seal, comprising a ring seat, a connecting pipe is fixedly installed on the inner side of the ring seat, a pump body tube and a delivery pipe are respectively arranged on the left and right sides of the ring seat, and the pump body tube and the delivery pipe are respectively sleeved on the left and right outer sides of the connecting pipe, and air bags 1 and 2 are respectively installed on the outer sides of the two ends of the connecting pipe, a flange 1 is fixedly installed on the outer left end of the ring seat, a passage 1 connecting to air bag 1 is opened on the inner side of the upper part of the ring seat and the flange 1, and a passage 2 connecting to air bag 2 is opened on the inner side of the lower part of the connecting pipe, the ring seat and the flange 1, a rectangular block is embedded and fixedly installed on the right end of the ring seat and the connecting pipe, and a fixing mechanism for clamping and fixing the delivery pipe is arranged in the rectangular block.

[0008] Preferably, an air nozzle 1 and an air nozzle 2 are fixedly mounted on the upper and lower ends of the flange 1 respectively, and the air nozzle 1 is connected to the passage 1, and the air nozzle 2 is connected to the passage 2.

[0009] Through the above technical solution, gas can be filled into passage one through air nozzle one, so that airbag one expands and is tightly sealed against the inner wall of the pump body tube. Gas can be filled into passage two through air nozzle two, so that airbag two expands and is tightly sealed against the inner wall of the delivery tube.

[0010] Preferably, a limiting ring 1 is fixedly installed on the outer side of the left end of the pump body tube, two limiting rings 2 are fixedly installed on the outer side of the right end of the pump body tube, and the airbag 2 is arranged between the two limiting rings 2.

[0011] Through the above technical solution, the limiting ring 1 limits the airbag 1 to avoid excessive expansion to the left, and the two limiting rings 2 limit the airbag 2 to avoid excessive expansion to both sides.

[0012] Preferably, the limiting ring 1 and the limiting ring 2 are made of ceramic material, the connecting pipe is made of stainless steel material, and the airbag 1 and the airbag 2 are made of thermoplastic polyurethane material.

[0013] Through the above technical solution, the ceramic material has a strong corrosion resistance, the stainless steel connecting pipe protects itself from corrosion caused by the transported corrosive liquid, and the airbags 1 and 2 are made of thermoplastic polyurethane material, which has a strong corrosion resistance.

[0014] Preferably, the fixing mechanism comprises an inner groove, a through groove and a rotating rod, the inner side of the rectangular block is provided with an inner groove, the upper and lower ends of the inner groove are symmetrically provided with through grooves opening to the right, and a rotating rod is rotatably installed in the inner groove.

[0015] Through the above technical solution, the rotating rod can rotate freely in the inner groove.

[0016] Preferably, the fixing mechanism also includes a bidirectional screw, a connecting column and a rotating cap. The upper and lower ends of the rotating rod are arranged as symmetrical bidirectional screws. The upper end of the upper bidirectional screw is fixedly connected to the connecting column. The upper end of the connecting column passes through the rectangular block and is fixedly installed with a rotating cap.

[0017] Through the above technical solution, rotating the rotating cap drives the connecting column to rotate, the connecting column drives the rotating rod to rotate, and drives the bidirectional screws at the upper and lower ends to rotate.

[0018] Preferably, the fixing mechanism further comprises a movable plate and a clamping plate, and the outer sides of both ends of the two sections of the bidirectional screw are symmetrically threadedly connected with movable plates, and the right end of each pair of movable plates passes through the through slot and is fixedly mounted with a clamping plate.

[0019] Through the above technical solution, the bidirectional screw rotates, and the two movable plates move relatively close to each other, so that the two clamping plates are relatively close to each other and clamped on the inner and outer walls of the conveying pipe to fix it.

[0020] Preferably, a flange plate 2 is fixedly installed on the outer side of the right end of the pump body tube, and the flange plate 2 and the flange plate 1 are fixedly connected by multiple sets of bolts and nuts.

[0021] Through the above technical solution, the flange plate 2 and the flange plate 1 are butt-jointed and fixed by bolts and nuts, thereby facilitating the fixed installation of the ring seat on the pump body pipe.

[0022] Compared with the prior art, the utility model provides a corrosion-resistant pump seal, which has the following beneficial effects:

[0023] 1. The utility model can quickly complete the installation and fixation of the device on the pump body pipe and the fixation of the delivery pipe to the device by arranging a ring seat, a connecting pipe, a rectangular block, a fixing mechanism, a flange plate 1, a flange plate 2, bolts and nuts, etc. The docking is stable and the installation efficiency is fast. It can match the docking use of delivery pipes within a certain diameter range. There is no need to set threads on the delivery pipe, and it is not required that the delivery pipe and the pump body pipe have the same diameter, thereby reducing the requirements for the docking of the two and improving the commonality and utilization rate.

[0024] 2. The utility model arranges airbag 1, airbag 2, passage 1, air nozzle 1, passage 2, air nozzle 2, limit ring 1, limit ring 2, etc., and utilizes the expansion of airbag 1 and airbag 2 to tightly seal the inner walls of the pump body tube and the delivery tube, respectively, so that the sealing effect is better and more stable. In addition, airbag 1, airbag 2, connecting tube, limit ring 1 and limit ring 2 are all made of corrosion-resistant materials and have good corrosion resistance. They can transport corrosive liquids more stably, improve the sealing effect, and extend the service life of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0026] Figure 2 This is a schematic diagram of the overall cross-sectional structure of the utility model;

[0027] Figure 3 It is a schematic diagram of the cross-sectional structure of the ring seat of the utility model;

[0028] Figure 4 For this utility model Figure 2 Enlarged structural diagram at A in the middle.

[0029] In the figure: 1. ring seat; 2. connecting pipe; 3. pump body pipe; 4. delivery pipe; 5. rectangular block; 6. air bag one; 7. air bag two; 8. fixing mechanism; 801. inner groove; 802. through groove; 803. rotating rod; 804. bidirectional screw; 805. connecting column; 806. rotating cap; 807. moving plate; 808. clamping plate; 9. flange one; 10. passage one; 11. air nozzle one; 12. passage two; 13. air nozzle two; 14. limiting ring one; 15. limiting ring two; 16. flange two; 17. bolts and nuts. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] Embodiment 1:

[0032] like Figure 1 and Figure 2 As shown, the utility model provides a corrosion-resistant pump seal, including a ring seat 1, a connecting pipe 2 is fixedly installed on the inner side of the ring seat 1, a pump body pipe 3 and a delivery pipe 4 are respectively arranged on the left and right sides of the ring seat 1, and the pump body pipe 3 and the delivery pipe 4 are respectively sleeved on the left and right ends of the connecting pipe 2, and air bags 1 6 and air bags 2 7 are respectively installed on the outer sides of the two ends of the connecting pipe 2, and a flange 9 is fixedly installed on the left end of the outer side of the ring seat 1, a passage 10 connecting the air bag 1 6 is opened on the inner side of the upper part of the ring seat 1 and the flange 1 9, and a passage 2 12 connecting the air bag 2 7 is opened on the inner side of the lower part of the connecting pipe 2, the ring seat 1 and the flange 1 9, a rectangular block 5 is embedded and fixedly installed on the right end of the ring seat 1 and the connecting pipe 2, and a fixing mechanism 8 for clamping and fixing the delivery pipe 4 is arranged in the rectangular block 5.

[0033] Specifically, the upper and lower ends of the flange 9 are respectively fixedly mounted with a gas nozzle 11 and a gas nozzle 2 13, and the gas nozzle 11 is connected to the passage 10, and the gas nozzle 2 13 is connected to the passage 2 12. The advantage is that gas can be filled into the passage 10 through the gas nozzle 11, so that the airbag 1 6 expands and is tightly sealed with the inner wall of the pump body tube 3, and gas can be filled into the passage 2 12 through the gas nozzle 2 13, so that the airbag 2 7 expands and is tightly sealed with the inner wall of the delivery tube 4.

[0034] Specifically, a limiting ring 14 is fixedly installed on the outer side of the left end of the pump body tube 3, two limiting rings 15 are fixedly installed on the outer side of the right end of the pump body tube 3, and the airbag 2 7 is arranged between the two limiting rings 15. The advantage is that the limiting ring 14 limits the airbag 1 6 to prevent excessive expansion to the left, and the two limiting rings 15 limit the airbag 2 7 to prevent excessive expansion to both sides.

[0035] Specifically, the limiting ring 14 and the limiting ring 2 15 are made of ceramic material, the connecting pipe 2 is made of stainless steel material, and the airbag 1 6 and the airbag 2 7 are made of thermoplastic polyurethane material. The advantage is that the ceramic material has a strong corrosion resistance, the connecting pipe 2 made of stainless steel protects itself from corrosion caused by the transport of corrosive liquid, and the airbag 1 6 and the airbag 2 7 are made of thermoplastic polyurethane material, which has a strong corrosion resistance.

[0036] Embodiment 2:

[0037] like Figure 1 , Figure 3 and Figure 4 As shown, as an improvement to the previous embodiment, the fixing mechanism 8 comprises an inner groove 801, a through groove 802 and a rotating rod 803. The inner side of the rectangular block 5 is provided with an inner groove 801, and the through grooves 802 opening to the right are symmetrically provided at the upper and lower ends of the inner groove 801. The rotating rod 803 is rotatably installed in the inner groove 801. The advantage is that the rotating rod 803 can rotate freely in the inner groove 801.

[0038] Specifically, the fixing mechanism 8 further includes a bidirectional screw 804, a connecting column 805 and a rotating cap 806. The upper and lower ends of the rotating rod 803 are provided with symmetrical bidirectional screws 804. The upper end of the upper bidirectional screw 804 is fixedly connected with the connecting column 805. The upper end of the connecting column 805 passes through the rectangular block 5 and is fixedly installed with the rotating cap 806. The advantage is that rotating the rotating cap 806 drives the connecting column 805 to rotate, the connecting column 805 drives the rotating rod 803 to rotate, and drives the bidirectional screws 804 at the upper and lower ends to rotate.

[0039] Specifically, the fixing mechanism 8 further includes a moving plate 807 and a clamping plate 808. The outer sides of the two ends of the two-stage bidirectional screw rods 804 are symmetrically threaded with the moving plates 807. The right end of each pair of moving plates 807 passes through the through slot 802 and is fixedly mounted with the clamping plate 808. The advantage is that when the bidirectional screw rods 804 rotate, the two moving plates 807 move relatively close to each other, so that the two clamping plates 808 are relatively close to clamp on the inner and outer walls of the conveying pipe 4 to fix it.

[0040] Specifically, a flange 2 16 is fixedly installed on the outer side of the right end of the pump body tube 3, and the flange 2 16 and the flange 1 9 are fixedly connected by multiple sets of bolts and nuts 17. The advantage is that the flange 2 16 and the flange 1 9 are docked and fixed by the bolts and nuts 17, so that the ring seat 1 is conveniently fixed on the pump body tube 3.

[0041] When in use, first insert the connecting pipe 2 at the left end of the ring seat 1 into the pump body tube 3, use the bolts and nuts 17 to dock and fix the flange 2 16 and the flange 1 9, so as to fix the ring seat 1 on the pump body tube 3, then fill the passage 10 with gas through the air nozzle 11, so that the air bag 6 expands and seals tightly with the inner wall of the pump body tube 3, and then insert the delivery tube 4 into the outer side of the right end of the connecting pipe 2, rotate the rotating cap 806 to drive the connecting column 805 to rotate, the connecting column 805 drives the rotating rod 803 to rotate, and drives the bidirectional screw 804 at the upper and lower ends to rotate, the movable plates 807 in the upper and lower groups move relatively close to each other, so that the two pairs of clamping plates 808 are relatively close to clamp and fix the delivery tube 4, and fill the passage 12 with gas through the air nozzle 2 13, so that the air bag 2 7 expands and seals tightly with the inner wall of the delivery tube 4, and the assembly is completed. During use, the pump body tube 3 and the delivery tube 4 transmit liquid media to each other through the connected connecting pipe 2.

[0042] Although 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 the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A corrosion-resistant pump seal, comprising a ring seat (1), characterized in that: A connecting pipe (2) is fixedly installed through the inner side of the ring seat (1), and a pump body pipe (3) and a delivery pipe (4) are respectively arranged on the left and right sides of the ring seat (1), and the pump body pipe (3) and the delivery pipe (4) are respectively sleeved on the left and right outer sides of the connecting pipe (2), and air bags (6) and (7) are respectively installed on the outer sides of the two ends of the connecting pipe (2). A flange (9) is fixedly installed on the left end of the outer side of the ring seat (1), and a passage (10) connecting the air bag (6) is provided on the upper inner sides of the ring seat (1) and the flange (9), and a passage (12) connecting the air bag (7) is provided on the lower inner sides of the connecting pipe (2), the ring seat (1) and the flange (9). A rectangular block (5) is embedded and fixedly installed on the right end of the ring seat (1) and the connecting pipe (2), and a fixing mechanism (8) for clamping and fixing the delivery pipe (4) is provided in the rectangular block (5).

2. The corrosion-resistant pump seal according to claim 1, characterized in that: The upper and lower ends of the flange plate 1 (9) are respectively fixedly mounted with a gas nozzle 1 (11) and a gas nozzle 2 (13), and the gas nozzle 1 (11) is connected to the passage 1 (10), and the gas nozzle 2 (13) is connected to the passage 2 (12).

3. The corrosion-resistant pump seal according to claim 1, characterized in that: A limiting ring 1 (14) is fixedly mounted on the outer side of the left end of the pump body tube (3), two limiting rings 2 (15) are fixedly mounted on the outer side of the right end of the pump body tube (3), and the air bag 2 (7) is arranged between the two limiting rings 2 (15).

4. The corrosion resistant pump seal according to claim 3, characterized in that: The limiting ring 1 (14) and the limiting ring 2 (15) are made of ceramic material, the connecting pipe (2) is made of stainless steel material, and the airbag 1 (6) and the airbag 2 (7) are made of thermoplastic polyurethane material.

5. The corrosion-resistant pump seal according to claim 1, characterized in that: The fixing mechanism (8) comprises an inner groove (801), a through groove (802) and a rotating rod (803); the inner side of the rectangular block (5) is provided with an inner groove (801); the through grooves (802) opening to the right are symmetrically provided at the upper and lower ends of the inner groove (801); and the rotating rod (803) is rotatably installed in the inner groove (801).

6. The corrosion-resistant pump seal according to claim 5, characterized in that: The fixing mechanism (8) also includes a bidirectional screw (804), a connecting column (805) and a rotating cap (806). The upper and lower ends of the rotating rod (803) are arranged as symmetrical bidirectional screws (804). The upper end of the bidirectional screw (804) on the upper side is fixedly connected to the connecting column (805). The upper end of the connecting column (805) passes through the rectangular block (5) and is fixedly installed with a rotating cap (806).

7. The corrosion resistant pump seal according to claim 6, characterized in that: The fixing mechanism (8) also includes a movable plate (807) and a clamping plate (808). The outer sides of the two ends of the two sections of the bidirectional screw (804) are symmetrically threadedly connected with the movable plates (807). The right end of each pair of movable plates (807) passes through the through slot (802) and is fixedly mounted with the clamping plate (808).

8. The corrosion-resistant pump seal according to claim 1, characterized in that: A second flange (16) is fixedly mounted on the outer side of the right end of the pump body tube (3), and the second flange (16) and the first flange (9) are fixedly connected by a plurality of sets of bolts and nuts (17).

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