CN219733625U

CN219733625U - Cam rotor pump

Info

Publication number: CN219733625U
Application number: CN202321308802.XU
Authority: CN
Inventors: 杨志程; 魏陈科; 孟张超
Original assignee: Zhejiang Boda Pump Co ltd
Current assignee: Zhejiang Boda Pump Co ltd
Priority date: 2023-05-24
Filing date: 2023-05-24
Publication date: 2023-09-22
Anticipated expiration: 2033-05-24

Abstract

A cam rotor pump belongs to the technical field of rotor pumps; the sliding wear-resistant block is arranged on the cam rotor, so that the rotor pump can realize shrinkage when conveying substances with high hardness, and the pump body is prevented from being blocked, and the outer end of the sliding wear-resistant block is arranged into an arc shape, so that a transition effect can be achieved when the substances with high hardness are encountered, and the rapid shrinkage is realized; by arranging the wavy plate spring, the wavy plate spring can realize the resetting function after the sliding wear-resistant block is contracted, so that the medium can be continuously conveyed; by arranging the friction sealing rings on the left end face and the right end face of the cam rotor, the friction sealing rings can prevent media in the shell from seeping out of the bearing seat, and the sealing effect is achieved.

Description

Cam rotor pump

Technical Field

The utility model belongs to the technical field of rotor pumps, and particularly relates to a cam rotor pump.

Background

The cam rotor pump is one of the internationally advanced fluid devices, the rotor is coated by all rubber, the abrasion resistance is strong, the rotor and the shell are in high-precision clearance fit, the self-suction force and the high-lift force are strong, and the pump is reliable, firm and energy-saving, and can be used for conveying various viscous or particulate matters-containing media. High efficiency, energy saving, time saving, no need of drainage and pump filling, and applicability to various complex fluid media. Dry installation, on-line maintenance and low-cost maintenance, stable operation, self-priming, wear resistance and difficult blockage.

The material is conveyed by two synchronous counter-rotating rotors, and as the existing rotor structure is fixed, when substances with higher hardness are entrained in the material, the rotation of the rotors is easily influenced, so that the phenomenon of pump clamping of the device is caused, and the use stability of the cam rotor pump is reduced; secondly, the existing cam rotor pump lacks a moving device, and because the volume of the cam rotor pump is large, the cam rotor pump is difficult to move, so that the convenience of using the cam rotor pump is reduced.

Disclosure of Invention

The utility model mainly solves the technical problems existing in the prior art and provides a cam rotor pump.

The technical problems of the utility model are mainly solved by the following technical proposal: the utility model provides a cam rotor pump, includes casing and right-hand member lid, the upper and lower both ends of casing are equipped with entrance point and exit end respectively, the right-hand member lid is located the right-hand member of casing, and with casing sealing connection, all be equipped with two bearing frames on the left end of casing and the right-hand member lid, two the bearing frame level sets up side by side, bearing frame position on the casing corresponds each other with the bearing frame position on the right-hand member lid, be equipped with two cam rotor in the casing, two in the left end rotation of cam rotor connects two bearing frames on the casing, two in the right-hand member rotation of cam rotor is connected in two bearing frames on the right-hand member lid, two cam rotor intermeshing, every cam rotor includes a plurality of cams, every be equipped with a mounting groove on the cam, every the cover has inlayed a sliding sleeve in the mounting groove, sliding sleeve and mounting groove fixed connection, the bottom of microphone cover is equipped with a wave, be equipped with a sliding wear-resistant piece in the sliding sleeve of wave upside, the inner end rotation is connected in the inner wear-resistant piece in the inner chamber of sliding sleeve, wear-resistant piece and the outer wear-resisting piece of the inner chamber of the housing.

Preferably, the left end face and the right end face of the cam rotor are respectively provided with a sealing ring mounting groove, a spring rubber ring is arranged in each sealing ring mounting groove, a friction sealing ring is connected in the sealing ring mounting grooves in a sliding mode, and the friction sealing rings are pressed on the spring rubber rings.

Preferably, the friction sealing ring on the right side in the cam rotor is attached to the right end cover, and the friction sealing ring on the left side in the cam rotor is attached to the left end face of the inner cavity of the shell.

Preferably, the bearing seat on the shell and the bearing seat on the right end cover are respectively provided with a sealing end cover.

The utility model has the beneficial effects that: the sliding wear-resistant block is arranged on the cam rotor, so that the rotor pump can realize shrinkage when conveying substances with high hardness, and the pump body is prevented from being blocked, and the outer end of the sliding wear-resistant block is arranged into an arc shape, so that a transition effect can be achieved when the substances with high hardness are encountered, and the rapid shrinkage is realized; by arranging the wavy plate spring, the wavy plate spring can realize the resetting function after the sliding wear-resistant block is contracted, so that the medium can be continuously conveyed; by arranging the friction sealing rings on the left end face and the right end face of the cam rotor, the friction sealing rings can prevent media in the shell from seeping out of the bearing seat, and the sealing effect is achieved.

Drawings

FIG. 1 is a schematic view of a construction of the present utility model;

FIG. 2 is a schematic view of a structure of the interior of the housing of the present utility model;

FIG. 3 is a schematic view of a seal ring mounting groove, spring rubber ring and friction seal ring of the present utility model;

fig. 4 is a schematic view of a wave leaf spring of the present utility model.

In the figure: 1. a housing; 2. a right end cover; 3. an inlet end; 4. an outlet end; 5. a bearing seat; 6. a cam rotor; 7. a cam; 8. a mounting groove; 9. a sliding sleeve; 10. wave-shaped plate springs; 11. sliding wear-resisting blocks; 12. a seal ring mounting groove; 13. spring rubber rings; 14. a friction seal ring; 15. and sealing the end cover.

Detailed Description

The technical scheme of the utility model is further specifically described below through examples and with reference to the accompanying drawings.

Examples: the utility model provides a cam rotor pump, shown in fig. 1-4, includes casing 1 and right-hand member lid 2, the upper and lower both ends of casing 1 are equipped with entrance point 3 and exit point 4 respectively, right-hand member lid 2 locate the right-hand member of casing 1, and with casing 1 sealing connection, all be equipped with two bearing frames 5 on the left end of casing 1 and the right-hand member lid 2, two bearing frames 5 level set up side by side, bearing frame 5 position on casing 1 corresponds with bearing frame 5 position on right-hand member lid 2 each other, be equipped with two cam rotor 6 in the casing 1, two the left end of cam rotor 6 rotates to be connected in two bearing frames 5 on casing 1, two the right-hand member of cam rotor 6 rotates to be connected in two bearing frames 5 on right-hand member lid 2, two cam rotor 6 intermeshing, every cam rotor 6 includes a plurality of cams 7, every be equipped with a mounting groove 8 on the cam 7, every have a sliding sleeve 9 in the mounting groove 8, sliding sleeve 9 and mounting groove 8 are equipped with one the inner end of a wear-resistant block 11 in the wear-resistant pad, the wear-resistant pad is equipped with the inner chamber 11 in the wear-resistant pad 11.

The left end face and the right end face of the cam rotor 6 are respectively provided with a sealing ring mounting groove 12, a spring rubber ring 13 is arranged in the sealing ring mounting grooves 12, a friction sealing ring 14 is connected in the sealing ring mounting grooves 12 in a sliding manner, and the friction sealing ring 14 is pressed on the spring rubber ring 13; the friction sealing ring 14 on the right side in the cam rotor 6 is attached to the right end cover 2, and the friction sealing ring 14 on the left side in the cam rotor 6 is attached to the left end face of the inner cavity of the shell 1; the bearing seat 5 is provided with a sealing end cover 15.

The principle of the utility model is as follows: when the novel anti-blocking device is used, two cam rotors 6 normally rotate, at the moment, a plurality of sliding wear-resisting blocks 11 on the cam rotors 6 are upwards sprung up through the arrangement of the wavy spring plates and are propped against the inner wall surface of the shell 1, so that media can be conveyed, when harder substances exist in conveyed media, the hard substances are located between the two cams 7, the phenomenon of blocking cannot occur, when the hard substances are located between the outer ends of the sliding wear-resisting blocks 11 and the inner cavity surface of the shell 1, the hard substances can be blocked between the two, at the moment, the hard substances can inwards push the sliding wear-resisting blocks 11 to inwards slide, the hard substances can be prevented from passing through the space between the two, the sliding wear-resisting blocks 11 can be quickly reset under the action of the wavy plate springs 10, and accordingly conveying of the media can be continuously realized.

Finally, it should be noted that the above embodiments are merely representative examples of the present utility model. Obviously, the utility model is not limited to the above-described embodiments, but many variations are possible. Any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present utility model should be considered to be within the scope of the present utility model.

Claims

1. The utility model provides a cam rotor pump, includes casing (1) and right-hand member lid (2), the upper and lower both ends of casing (1) are equipped with entrance point (3) and exit end (4) respectively, its characterized in that: the right end cover (2) is arranged at the right end of the shell (1) and is in sealing connection with the shell (1), two bearing seats (5) are arranged on the left end of the shell (1) and the right end cover (2) respectively, the two bearing seats (5) are horizontally arranged in parallel, the positions of the bearing seats (5) on the shell (1) and the positions of the bearing seats (5) on the right end cover (2) correspond to each other, two cam rotors (6) are arranged in the shell (1), the left ends of the two cam rotors (6) are rotatably connected in the two bearing seats (5) on the shell (1), the right ends of the two cam rotors (6) are rotatably connected in the two bearing seats (5) on the right end cover (2), the two cam rotors (6) are meshed with each other, each cam rotor (6) comprises a plurality of cams (7), a mounting groove (8) is formed in each cam (7), a sliding sleeve (9) is embedded in each mounting groove (8), the left end of each cam rotor (6) is rotatably connected with two bearing seats (5) on the shell (1), the left end cover (2) is fixedly connected with the left end of a wave-shaped plate spring (10), the wave-shaped plate spring (10) is arranged on the bottom of the sliding sleeve (10), the outer end of the sliding wear-resistant block (11) is arc-shaped, and the outer end of the sliding wear-resistant block (11) is in sliding fit with the inner cavity surface of the shell (1).

2. A cam rotor pump according to claim 1, characterized in that: the cam rotor (6) is characterized in that a sealing ring mounting groove (12) is formed in the left end face and the right end face of the cam rotor (6), a spring rubber ring (13) is arranged in the sealing ring mounting groove (12), a friction sealing ring (14) is connected in the sealing ring mounting groove (12) in a sliding mode, and the friction sealing ring (14) is pressed on the spring rubber ring (13).

3. A cam rotor pump according to claim 1, characterized in that: the right friction sealing ring (14) in the cam rotor (6) is attached to the right end cover (2), and the left friction sealing ring (14) in the cam rotor (6) is attached to the left end face of the inner cavity of the shell (1).

4. A cam rotor pump according to claim 1, characterized in that: and a sealing end cover (15) is arranged on the bearing seat (5) on the shell (1) and the bearing seat (5) on the right end cover (2).