CN213450859U

CN213450859U - Self-priming pump with strong working stability and leakage-proof structure

Info

Publication number: CN213450859U
Application number: CN202022231180.8U
Authority: CN
Inventors: 阚建华
Original assignee: Jingjiang Xin'ao Pump Manufacturing Co ltd
Current assignee: Jingjiang Xin'ao Pump Manufacturing Co ltd
Priority date: 2020-10-10
Filing date: 2020-10-10
Publication date: 2021-06-15
Anticipated expiration: 2030-10-10

Abstract

The utility model belongs to the technical field of self priming pump, specifically disclose a self priming pump that job stabilization nature is strong and leak protection structure has, including mounting panel and main shaft, the support is installed to the top of mounting panel, and the externally mounted of support has the bolt, the top of support is fixed with the pump body, and the left side of the pump body is provided with the water inlet, the top of the pump body is provided with the delivery port, and the right side of delivery port is fixed with the oil plug, the main shaft is installed in the inside of the pump body, and the left side of main shaft installs the hexagonal cap, the impeller is installed on the right side of hexagonal cap, and the inside of impeller is provided with the convex key, the outside of convex key is provided with the keyway, and the externally fixed with the pump cover of keyway, the inside of pump cover. This self priming pump that job stabilization nature is strong and have leak protection structure is provided with a plurality of bearings, and the shaft coupling structure is complicated, and is more stable when being connected with the motor, has strengthened the temperature nature of pump at the during operation, and the leakproofness is strong simultaneously.

Description

Self-priming pump with strong working stability and leakage-proof structure

Technical Field

The utility model relates to a self priming pump technical field specifically is a self priming pump that job stabilization nature is strong and have leak protection structure.

Background

With the development of modern technology and technology, industrial production is mechanized, where a pump is a machine for conveying or pressurizing fluid, and transfers mechanical energy of a prime mover or other external energy to liquid to increase the energy of the liquid, and the pump is mainly used for conveying liquid such as water, oil, acid-base liquid, emulsion, suspoemulsion, and liquid metal, and can also convey liquid, gas mixture, and liquid containing suspended solids.

The self-priming pump on the existing market is not strong in stability during working, easily causes damage to an inner bearing main shaft, is inconvenient to install, requires a large amount of time and human beings for installation, reduces efficiency, is poor in sealing structure, easily causes internal dust entering, and can not well meet the use requirements of people.

Aiming at the problems, innovative design is urgently needed on the basis of the original self-priming pump, and therefore the self-priming pump which is strong in working stability and has a leakage-proof structure is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a self priming pump that job stabilization nature is strong and have leak protection structure to the during operation stability who proposes in solving above-mentioned background art is not strong, leads to the damage of inside bearing main shaft easily, and installs inconveniently, and the installation needs plenty of time and mankind, makes efficiency reduce, and seal structure is poor, leads to inside entering dust easily, can not be fine satisfies people's user demand's problem.

In order to achieve the above object, the utility model provides a following technical scheme: a self-priming pump with strong working stability and a leakage-proof structure comprises a mounting plate and a main shaft, wherein a support is mounted above the mounting plate, a bolt is mounted outside the support, a pump body is fixed above the support, a water inlet is formed in the left side of the pump body, a water outlet is formed above the pump body, an oil plug is fixed on the right side of the water outlet, the main shaft is mounted inside the pump body, a hexagonal cap is mounted on the left side of the main shaft, an impeller is mounted on the right side of the hexagonal cap, a convex key is arranged inside the impeller, a key groove is formed outside the convex key, a pump cover is fixed outside the key groove, a shaft sleeve is arranged inside the pump cover, a mechanical seal is arranged outside the shaft sleeve, a seal cover is mounted on the right side of the mechanical seal, a front shaft cover is mounted on the right side of the seal cover, a shaft box is arranged outside the front, and the rear bearing is installed on the right side of the front bearing, a rear shaft cover is arranged on the right side of the rear bearing, and a coupling is installed on the right side of the rear shaft cover.

Preferably, the pump body passes through the cooperation between support and the bolt and constitutes detachable construction with the mounting panel, and the bolt equidistance distributes in the top of mounting panel.

Preferably, the water inlet and the water outlet form a one-way circulation structure through the matching between the impeller and the main shaft, and the water outlet is perpendicular to the pump body.

Preferably, the impeller forms a clamping structure with the main shaft through the matching between the hexagonal cap, the convex key and the key groove, and the inside of the key groove is tightly attached to the outside of the convex key.

Preferably, the pump body forms a sealing structure through the cooperation between the mechanical seal and the sealing cover, and a detachable structure is formed between the sealing cover and the pump body.

Preferably, the impeller forms a rotating structure with the pump body through the matching among the main shaft, the front bearing and the rear bearing, and the front bearing is connected with the shaft sleeve in an embedded mode.

Preferably, the outer dimension of the main shaft is matched with the inner dimension of the coupling, and the main shaft is in flat key connection with the coupling.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this self priming pump that job stabilization nature is strong and have leak protection structure is provided with front bearing and rear bearing, and the impeller passes through the main shaft, cooperation between front bearing and the rear bearing constitutes revolution mechanic with the pump body, through the cooperation between the bearing for the rotation of pump is more smooth, and the shaft joint structure is complicated, can with motor stable connection, the during operation has reduced the vibration, makes the pump more stable at the during operation.

2. This self priming pump that job stabilization nature is strong and have leak protection structure is provided with sealed lid and mechanical seal, and the pump body passes through mechanical seal and seals the cooperation between the lid and constitutes seal structure for inside can not get into dust and moisture, if inside gets into moisture or dust, can influence the service function and the life of pump, has prolonged the life of pump greatly.

3. This self priming pump that job stabilization nature is strong and have leak protection structure is provided with the bolt, and the pump body passes through the cooperation between support and the bolt and constitutes detachable construction with the mounting panel, and the bolt equidistance distributes in the top of mounting panel, is convenient for install the self priming pump, has saved the human cost greatly and the time of installation, and the impeller is made simply simultaneously, the washing is convenient, is applicable to the material of carrying and contains the great suspended solid.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic view of the impeller structure of the present invention;

fig. 4 is an enlarged schematic structural view of a portion a in fig. 1 according to the present invention.

In the figure: 1. mounting a plate; 2. a support; 3. a bolt; 4. a pump body; 5. a water inlet; 6. a water outlet; 7. an oil plug; 8. a main shaft; 9. a hexagonal cap; 10. an impeller; 11. a convex key; 12. a keyway; 13. a pump cover; 14. a shaft sleeve; 15. mechanical sealing; 16. a sealing cover; 17. a front axle cover; 18. an axle box; 19. a front bearing; 20. a rear bearing; 21. a rear axle cover; 22. a coupling.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a self-priming pump with strong working stability and a leakage-proof structure comprises a mounting plate 1 and a main shaft 8, wherein a bracket 2 is mounted above the mounting plate 1, bolts 3 are mounted outside the bracket 2, a pump body 4 is fixed above the bracket 2, a water inlet 5 is arranged on the left side of the pump body 4, the pump body 4 forms a detachable structure with the mounting plate 1 through the matching between the bracket 2 and the bolts 3, the bolts 3 are equidistantly distributed above the mounting plate 1, the self-priming pump is convenient to mount, the labor cost and the mounting time are greatly saved, a water outlet 6 is arranged above the pump body 4, an oil plug 7 is fixed on the right side of the water outlet 6, the main shaft 8 is mounted inside the pump body 4, a hexagonal cap 9 is mounted on the left side of the main shaft 8, an impeller 10 is mounted on the right side of the hexagonal cap 9, a convex key 11 is arranged inside the impeller 10, and a one-way circulation structure is formed by the water inlet 5, the water outlet 6 is vertical to the pump body 4, the cleaning is convenient, the pump is suitable for conveying materials containing large amount of suspended matters, the key groove 12 is arranged outside the convex key 11, the pump cover 13 is fixed outside the key groove 12, the impeller 10 forms a clamping structure with the main shaft 8 through the matching between the hexagonal cap 9 and the convex key 11 and the key groove 12, the inside of the key groove 12 is tightly attached to the outside of the convex key 11, so that the sliding phenomenon between the impeller 10 and the main shaft 8 cannot be generated, the operation is safer and more stable, the shaft sleeve 14 is arranged inside the pump cover 13, the mechanical seal 15 is arranged outside the shaft sleeve 14, the seal cover 16 is arranged on the right side of the mechanical seal 15, the front shaft cover 17 is arranged on the right side of the seal cover 16, the pump body 4 forms a seal structure through the matching between the mechanical seal 15 and the seal cover 16, and a detachable, so that dust and moisture cannot enter the interior of the pump, if moisture or dust enters the interior of the pump, the service function and the service life of the pump are affected, and the service life of the pump is greatly prolonged, the axle box 18 is arranged outside the front axle cover 17, the front bearing 19 is arranged on the right side of the front axle cover 17, the rear bearing 20 is arranged on the right side of the front bearing 19, the impeller 10 forms a rotating structure with the pump body 4 through the matching of the main axle 8, the front bearing 19 and the rear bearing 20, the front bearing 19 and the axle sleeve 14 are connected in an embedded manner, the friction force between the main axle 8 and the pump body 4 is greatly reduced, the loss of energy is reduced, meanwhile, the over-high temperature of a contact surface due to friction is avoided, the rear axle cover 21 is arranged on the right side of the rear bearing 20, the coupler 22 is arranged on the right side of the rear axle cover 21, the external size of the main axle 8 is matched with the internal size of the coupler 22, and the, can be stably connected with the motor, strengthen the stability of during operation.

The working principle is as follows: the self-priming pump with strong working stability and a leak-proof structure has the use flow that when the product is used, a proper position is required to be searched for installation to ensure that the safety problem caused by the problem of uneven ground surface can not occur in subsequent work, the pump body 4 and the mounting plate 1 are installed by using the bolt 3 to fix the self-priming pump, the self-priming pump is convenient to install, the labor cost and the installation time are greatly saved, the impeller 10 forms a rotating structure with the pump body 4 through the matching between the main shaft 8 and the front bearing 19 as well as the rear bearing 20, so that the rotation of the pump is smoother, the friction force between the main shaft 8 and the pump body 4 is greatly reduced, the loss of energy is reduced, meanwhile, the over-high temperature of a contact surface due to friction is avoided, the coupler 22 has a complex structure and can be stably connected with a motor, the stability during work is enhanced, the pump body 4 forms a sealing structure through the matching between the mechanical seal 15 and the seal cover 16, make inside can not get into dust and moisture, if inside gets into moisture or dust, can influence the service function and the life of pump, prolonged the life of pump greatly, this is exactly this job stabilization nature strong and have the leak protection structure from the suction pump theory of operation.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a job stabilization nature is strong and have self priming pump of leak protection structure, includes mounting panel (1) and main shaft (8), its characterized in that: the improved pump is characterized in that a support (2) is installed above the mounting plate (1), a bolt (3) is installed outside the support (2), a pump body (4) is fixed above the support (2), a water inlet (5) is formed in the left side of the pump body (4), a water outlet (6) is formed in the top of the pump body (4), an oil plug (7) is fixed on the right side of the water outlet (6), a spindle (8) is installed inside the pump body (4), a hexagonal cap (9) is installed on the left side of the spindle (8), an impeller (10) is installed on the right side of the hexagonal cap (9), a convex key (11) is arranged inside the impeller (10), a key groove (12) is formed in the outside of the convex key (11), a pump cover (13) is fixed outside the key groove (12), a shaft sleeve (14) is arranged inside the pump cover (13), and a mechanical seal (15) is arranged outside the shaft sleeve, sealing cover (16) is installed on the right side of mechanical seal (15), and front axle cover (17) are installed on the right side of sealing cover (16), the outside of front axle cover (17) is provided with axle box (18), front bearing (19) are installed on the right side of front axle cover (17), and rear bearing (20) are installed on the right side of front bearing (19), the right side of rear bearing (20) is provided with rear axle cover (21), and shaft coupling (22) are installed on the right side of rear axle cover (21).

2. The self-priming pump with strong working stability and a leak-proof structure according to claim 1, is characterized in that: the pump body (4) forms detachable construction through cooperation between support (2) and bolt (3) and mounting panel (1), and bolt (3) equidistance distributes in the top of mounting panel (1).

3. The self-priming pump with strong working stability and a leak-proof structure according to claim 1, is characterized in that: the water inlet (5) and the water outlet (6) form a one-way circulation structure through the matching between the impeller (10) and the main shaft (8), and the water outlet (6) is vertical to the pump body (4).

4. The self-priming pump with strong working stability and a leak-proof structure according to claim 1, is characterized in that: impeller (10) pass through between hexagonal cap (9), convex key (11) and keyway (12) the cooperation constitute block structure with main shaft (8), and closely laminate between the outside of inside and convex key (11) of keyway (12).

5. The self-priming pump with strong working stability and a leak-proof structure according to claim 1, is characterized in that: the pump body (4) forms a sealing structure through the matching between the mechanical seal (15) and the seal cover (16), and a detachable structure is formed between the seal cover (16) and the pump body (4).

6. The self-priming pump with strong working stability and a leak-proof structure according to claim 1, is characterized in that: the impeller (10) forms a rotating structure with the pump body (4) through the matching among the main shaft (8), the front bearing (19) and the rear bearing (20), and the front bearing (19) is connected with the shaft sleeve (14) in an embedded mode.

7. The self-priming pump with strong working stability and a leak-proof structure according to claim 1, is characterized in that: the external dimension of the main shaft (8) is matched with the internal dimension of the coupling (22), and the main shaft (8) is connected with the coupling (22) through a flat key.