Corrosion-resistant and wear-resistant slurry circulating pump with sealing structure

Abstract

The utility model relates to the technical field of circulating pumps, and discloses a corrosion-resistant and wear-resistant slurry circulating pump with a sealing structure, which comprises a transmission shaft and a circulating pump main body, the outer side of the transmission shaft is connected with a first bearing, the transmission shaft is connected with the circulating pump main body through the first bearing, the outer side of the transmission shaft is connected with a moving ring, and the moving ring is connected with a sealing ring. A static ring is connected to the right side of the movable ring, a plurality of first springs are connected to the right side of the static ring, a movable block is connected to the right sides of the first springs, a rubber block is connected to the right side of the movable block, and an insertion rod is connected to the left side of the movable block; according to the scheme, the right side of the rubber block is arranged in a step shape and is matched with the auxiliary block, the sealing performance of blockage at the joint of the rubber block and the transmission shaft and the circulating pump body is improved, the rubber block and the moving block can be limited by arranging the inserting rod, and the using stability of the rubber block and the moving block is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to circulating pump technical field, concretely is a kind of slurry circulating pump with sealing structure corrosion resistance wear resistance. BACKGROUND

[0002] Circulating pump is widely used in thermal power generation, chemical reaction heat removal, waste heat recovery and other process application occasions, and the good or bad of circulating pump state is directly related to the safety and stable operation of device, the risk of leakage is easily appeared between the existing circulating pump and bearing, the existing mechanical seal is all by spring acting on static ring, to keep good sealing performance between static ring and dynamic ring, but slurry circulating pump is prone to the phenomenon of corrosion static ring, resulting in unstable subsequent use, therefore, we propose a kind of slurry circulating pump with sealing structure corrosion resistance wear resistance. UTILITY MODEL CONTENT

[0003] In view of the above situation, to overcome the defects of prior art, the utility model provides a kind of slurry circulating pump with sealing structure corrosion resistance wear resistance, effectively solve the above problems.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of slurry circulating pump with sealing structure corrosion resistance wear resistance, including transmission shaft and circulating pump main body, the outer side of the transmission shaft is connected with first bearing, the transmission shaft is connected with circulating pump main body by first bearing, the outer side of the transmission shaft is connected with dynamic ring, the right side of the dynamic ring is connected with static ring, the right side of the static ring is connected with multiple first spring, the right side of multiple first spring is connected with moving block, the right side of the moving block is connected with rubber block.

[0005] Preferably, the left side of the moving block is connected with plug rod, the right side of the static ring is provided with the limit slot matched with first spring and plug rod.

[0006] Preferably, the left side of the plug rod is connected with limit block, and the right side of the static ring is provided with the sliding slot matched with the limit block.

[0007] Preferably, the left side of the circulating pump main body is connected with two groups of connecting rods, and the left side of the connecting rod is connected with the static ring.

[0008] Preferably, the left side of the circulating pump main body is connected with auxiliary pipe, and the inner wall of the auxiliary pipe is connected with rubber sleeve.

[0009] Preferably, the left side of the circulating pump main body is connected with auxiliary block, and the left side of the auxiliary block is provided with the recess matched with the rubber block.

[0010] Preferably, the right side of the rubber block is arranged in a stepped manner.

[0011] Compared with the prior art, the utility model has the advantages of

[0012] Through setting right side of rubber block is arranged in cascade with auxiliary block cooperation, improve the sealing of rubber block and transmission shaft and circulation pump main part connection place jam, make even if the corrosion part of rubber block, the other position of rubber block can also effectively carry out sealing work, through setting the plug rod, can position rubber block, moving block, improve the stability of rubber block, moving block use;

[0013] Through the elastic force produced by the first spring deformation drives rubber block to move to right, further make rubber block always with first bearing, circulation pump main part left side contact, improve the stability of the device use;

[0014] Through setting auxiliary pipe, rubber sleeve cooperation can carry out secondary sealing to the connection place of transmission shaft and circulation pump main part, reduce the raw material leakage situation of the device, improve the stability of the device use, and the auxiliary pipe can position the position of rubber block, improve the stability of the device use. BRIEF DESCRIPTION OF DRAWINGS

[0015] The accompanying drawings are included to provide a further understanding of the present application, and are incorporated in and constitute a part of this specification, illustrate embodiments of the present application and serve to explain the present application, and do not constitute a limitation of the present application.

[0016] In the drawings:

[0017] Figure 1 It is the structure schematic diagram of the utility model with sealing structure corrosion resistance wear -resisting slurry circulating pump;

[0018] Figure 2 It is the static ring structure schematic diagram of the utility model;

[0019] Figure 3 It is the dynamic ring structure schematic diagram of the utility model;

[0020] Figure 4 It is the A of the utility model Figure 3 Enlarged view.

[0021] In the drawing: 100, transmission shaft;110, dynamic ring;120, static ring;130, first spring;140, moving block;141, plug rod;142, limiting block;150, rubber block;200, circulation pump main body;201, auxiliary block;210, auxiliary pipe;211, rubber sleeve;220, connecting rod;300, first bearing. DETAILED DESCRIPTION

[0022] Clearly, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments; based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0023] Please refer to Figure 1-4The utility model provides a kind of corrosion-resistant wear-resistant slurry circulating pump with sealing structure, including transmission shaft 100 and circulating pump main body 200, the outside of transmission shaft 100 is connected with first bearing 300, transmission shaft 100 is connected with the shell of circulating pump main body 200 by first bearing 300, the outside of transmission shaft 100 is fixedly connected with dynamic ring 110, the right side of dynamic ring 110 is rotatably connected with static ring 120 by bearing, the left side of circulating pump main body 200 is fixedly connected with two groups of connecting rods 220, the left side of connecting rod 220 is fixedly connected with static ring 120, the position of static ring 120 is limited and fixed by being arranged connecting rod 220, the stability and convenience of using the device are improved, the right side of static ring 120 is fixedly connected with a plurality of first spring 130, the right side of a plurality of first spring 130 is fixedly connected with moving block 140, the left side of moving block 140 is fixedly connected with plug rod 141, the right side of static ring 120 is equipped with the limiting slot that is matched with first spring 130, plug rod 141, by being arranged, rubber block 150, moving block 140 can be limited, the stability of using rubber block 150, moving block 140 is improved, the left side of plug rod 141 is fixedly connected with limit block 142, the right side of static ring 120 is equipped with the sliding slot that is matched with limit block 142, limit block 142 is positioned moving block 140, rubber block 150 by being arranged, the stability of using the device is improved, the right side of moving block 140 is fixedly connected with rubber block 150, the right side of rubber block 150 is arranged in ladder shape, the left side of circulating pump main body 200 is fixedly connected with auxiliary block 201, the left side of auxiliary block 201 is equipped with the recess that is matched with rubber block 150, by being arranged the right side of rubber block 150 is arranged in ladder shape and cooperates with auxiliary block 201, the sealing property of rubber block 150 and transmission shaft 100 and the blocking of the connection of circulating pump main body 200 is improved, by auxiliary block 201 the connection of transmission shaft 100 and circulating pump main body 200 is blocked so that internal raw materials can only be discharged from the connection of auxiliary block 201 and transmission shaft 100 if flowing out, and then will be blocked by rubber block 150, rubber block 150 is shrunk and is sleeved on the outside of transmission shaft 100, in the use process, the gap of first bearing 300, transmission shaft 100 and circulating pump main body 200 is blocked by rubber block 150, the right movement of rubber block 150 is driven by the elastic force generated by the deformation of first spring 130, so that rubber block 150 is always in contact with the left side of first bearing 300 and circulating pump main body 200, the stability of using the device is improved, in the use process, static ring 120 does not rotate with dynamic ring 110, so that rubber block 150 and circulating pump main body 200 are more stable in the use process, reduce the abrasion of rubber block 150, the left side of circulating pump main body 200 is fixedly connected with auxiliary pipe 210, the inner wall of auxiliary pipe 210 is fixedly connected with rubber sleeve 211, the connection of transmission shaft 100 and circulating pump main body 200 is sealed twice by being arranged auxiliary pipe 210, rubber sleeve 211 cooperates, reduce the raw material leakage of the device,The stability of the device is improved, and the auxiliary pipe 210 can limit the position of the rubber block 150, thereby improving the stability of the device.

Claims

1. A corrosion-resistant and wear-resistant slurry circulation pump with a sealed structure, characterized in that: The device includes a drive shaft (100) and a circulating pump body (200). A first bearing (300) is connected to the outside of the drive shaft (100). The drive shaft (100) is connected to the circulating pump body (200) through the first bearing (300). A moving ring (110) is connected to the outside of the drive shaft (100). A stationary ring (120) is connected to the right side of the moving ring (110). A plurality of first springs (130) are connected to the right side of the stationary ring (120). A moving block (140) is connected to the right side of the plurality of first springs (130). A rubber block (150) is connected to the right side of the moving block (140).

2. The corrosion-resistant and wear-resistant slurry circulation pump with a sealed structure according to claim 1, characterized in that: The left side of the movable block (140) is connected to the insertion rod (141), and the right side of the stationary ring (120) is provided with a limiting groove that matches the first spring (130) and the insertion rod (141).

3. A corrosion-resistant and wear-resistant slurry circulation pump with a sealed structure according to claim 2, characterized in that: The left side of the insertion rod (141) is connected to a limiting block (142), and the right side of the stationary ring (120) is provided with a sliding groove that matches the limiting block (142).

4. A corrosion-resistant and wear-resistant slurry circulation pump with a sealed structure according to claim 1, characterized in that: Two sets of connecting rods (220) are connected to the left side of the circulating pump body (200), and the left side of the connecting rods (220) is connected to the stationary ring (120).

5. A corrosion-resistant and wear-resistant slurry circulation pump with a sealed structure according to claim 1, characterized in that: An auxiliary pipe (210) is connected to the left side of the circulating pump body (200), and a rubber sleeve (211) is connected to the inner wall of the auxiliary pipe (210).

6. A corrosion-resistant and wear-resistant slurry circulation pump with a sealed structure according to claim 1, characterized in that: An auxiliary block (201) is connected to the left side of the circulating pump body (200), and the left side of the auxiliary block (201) has a groove that matches the rubber block (150).

7. A corrosion-resistant and wear-resistant slurry circulation pump with a sealed structure according to claim 1, characterized in that: The right side of the rubber block (150) is arranged in a stepped shape.

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