CN211449159U

CN211449159U - Pump shaft sealing structure

Info

Publication number: CN211449159U
Application number: CN201922399818.6U
Authority: CN
Inventors: 秦亭亭; 李凤阁
Original assignee: Jiangsu Luquan Pump Co ltd
Current assignee: Jiangsu Luquan Pump Co ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-09-08
Anticipated expiration: 2029-12-27

Abstract

The utility model relates to a water pump main shaft technical field just discloses a pump shaft seal structure, which comprises a base, the top fixed mounting of base has the motor, the top fixed mounting of base has the water pump that is located the motor left, the inside movable mounting of water pump has the fixing base, the output shaft department fixed mounting of motor has the pump shaft body that runs through the water pump and extend to the fixing base inside, top and the equal movable mounting in bottom in the fixing base have the movable block, the top and the bottom of fixing base all set up threaded hole. This pump shaft seal structure, when through screw fixing bolt pivoted, be convenient for drive the rotatory decline of movable block of its bottom to make the movable block promote the fixed block motion in the inside of activity groove, thereby laminate the pump shaft body when making the fixed block motion, reduce fit clearance, avoided the water pump main shaft to produce and rocked the problem of aggravating its own and the wearing and tearing necrosis of water pump hole.

Description

Pump shaft sealing structure

Technical Field

The utility model relates to a water pump main shaft technical field specifically is a pump shaft seal structure.

Background

The main shaft of the water pump is a cylindrical object which is penetrated in the middle of a bearing or the middle of a wheel or the middle of a gear, but a small part of the main shaft is square, the shaft is a mechanical part which supports a rotating part and rotates together with the rotating part to transfer motion, torque or bending moment, the shaft is generally in a metal round rod shape, and each section can have different diameters.

The application of the existing water pump main shaft is very extensive, the advantage of motion transmission is achieved, along with the development of the society, the existing water pump main shaft is an indispensable product in life, aiming at the existing water pump main shaft, when the rotating speed of a motor is too high, torsion which causes overload can be generated, the torsion is transmitted through the water pump main shaft, when the water pump main shaft transmits the overlarge torsion to a water pump, the inner hole and the main shaft of a water pump fixing seat can be abraded possibly, after the fit clearance between the two becomes larger, the seal clearance is overlarge, the water pump main shaft shakes in the inner hole rotation of the water pump fixing seat, the abrasion and necrosis of the water pump main shaft are directly aggravated, the normal operation of the water pump is influenced, the social requirements are difficult to meet, and the problem is solved by the pump shaft sealing structure.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a pump shaft seal structure, possess the sealed effect advantage that increases the water pump main shaft, current water pump main shaft has been solved, when motor slew velocity is too fast, probably produce and lead to overloaded torsion, these torsion transmit through the water pump main shaft, when the water pump main shaft transmits these too big torsion to the water pump, hole and the main shaft that probably leads to the water pump fixing base all can produce wearing and tearing, both behind the cooperation clearance grow, thereby lead to sealed clearance too big, the water pump main shaft self produces in the hole of water pump fixing base rotates and rocks, direct aggravation water pump main shaft wearing and tearing are necrotic, thereby influence the problem of the normal operating of water pump.

(II) technical scheme

For the purpose of realizing the above-mentioned sealed effect that increases the water pump main shaft, the utility model provides a following technical scheme: a pump shaft sealing structure comprises a base, wherein a motor is fixedly mounted at the top of the base, a water pump positioned on the left side of the motor is fixedly mounted at the top of the base, a fixing seat is movably mounted in the water pump, a pump shaft body penetrating through the water pump and extending into the fixing seat is fixedly mounted at an output shaft of the motor, fixing blocks are movably mounted at the top and the bottom in the fixing seat, threaded holes are respectively formed in the top and the bottom of the fixing seat, screw type fixing bolts extending to the outside of the fixing seat are connected with internal threads of the threaded holes, a movable groove is formed in the fixing block, movable blocks positioned in the movable groove are fixedly mounted on opposite surfaces of the two screw type fixing bolts, a lining plate positioned on the outside of the pump shaft body is fixedly mounted in the water pump, and extrusion blocks positioned on the outside of the pump shaft, and the external thread of the screw type fixing bolt is connected with a fixing nut.

Preferably, the base, the motor and the water pump are of an integrated structure, and the pump shaft body is inserted in the water pump and is in rotary connection with the water pump.

Preferably, the fixing seat is sleeved inside the two fixing blocks, and the screw type fixing bolt penetrates through the fixing seat and is inserted inside the fixing blocks.

Preferably, the movable block corresponds to the movable groove, the fixed block is sleeved outside the movable block, the movable block is rotatably connected with the fixed block, and the rotation angle is not less than three hundred and sixty degrees.

Preferably, the welt joint is in the inside of water pump, two the extrusion piece all is parallel to each other with the top and the bottom of pump shaft body, the extrusion piece closely cooperates each other with the pump shaft body, the extrusion piece is integrated structure with the fixed block.

Preferably, the two screw type fixing bolts are all sleeved with gaskets located on opposite surfaces of the two fixing nuts, and the opposite surfaces of the two fixing nuts are attached to the outer surface of the fixing seat.

(III) advantageous effects

Compared with the prior art, the utility model provides a pump shaft seal structure possesses following beneficial effect:

this pump shaft seal structure, through the welt that sets up on the water pump, be convenient for play the complex effect to pump shaft body and water pump, increase the inseparable effect of pump shaft body and water pump, it is great with the gap of pump shaft body when having avoided installation water pump and pump shaft body, screw fixing bolt through setting up on the fixing base, when pump shaft body torsion is too big causes the clearance wearing and tearing to the water pump, be convenient for rotate screw fixing bolt, thereby make its inside motion at the screw hole, when through screw fixing bolt pivoted, be convenient for drive the rotatory decline of movable block of its bottom, thereby make the movable block promote the fixed block motion in the inside of activity groove, thereby make the pump shaft body of laminating when the fixed block motion, reduce the fit clearance, avoided the water pump main shaft to produce and rocked the necrotic problem of wearing and tearing of its own.

Drawings

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

FIG. 2 is an enlarged sectional view of the fixing base of the present invention;

fig. 3 is a right sectional view of the fixing base of the present invention.

In the figure: the pump comprises a base 1, a motor 2, a water pump 3, a fixing seat 4, a pump shaft body 5, a fixing block 6, a threaded hole 7, a screw type fixing bolt 8, a movable groove 9, a movable block 10, a lining plate 11, an extrusion block 12 and a fixing nut 13.

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. 1-3, a pump shaft sealing structure comprises a base 1, a motor 2 is fixedly installed on the top of the base 1, a water pump 3 positioned on the left side of the motor 2 is fixedly installed on the top of the base 1, the motor 2 and the water pump 3 are of an integrated structure, a fixing seat 4 is movably installed inside the water pump 3, a pump shaft body 5 penetrating through the water pump 3 and extending into the fixing seat 4 is fixedly installed at an output shaft of the motor 2, the pump shaft body 5 is inserted inside the water pump 3 and is rotatably connected with the water pump, fixing blocks 6 are movably installed at the top and the bottom inside the fixing seat 4, the fixing seat 4 is sleeved inside the two fixing blocks 6, threaded holes 7 are respectively formed in the top and the bottom of the fixing seat 4, screw type fixing bolts 8 extending to the outside of the fixing seat 4 are connected with internal threads of the threaded holes 7, a movable groove 9 is arranged inside the fixed block 6, the opposite surfaces of the two screw type fixing bolts 8 are fixedly provided with a movable block 10 positioned inside the movable groove 9, the movable block 10 corresponds to the movable groove 9, the fixed block 6 is sleeved outside the movable block 10, the movable block 10 is in rotary connection with the fixed block 6, the rotating angle is not less than three hundred and sixty degrees, the inside of the water pump 3 is fixedly provided with a lining plate 11 positioned outside the pump shaft body 5, the lining plate 11 is clamped inside the water pump 3, the opposite surfaces of the two fixed blocks 6 are fixedly provided with extrusion blocks 12 positioned outside the pump shaft body 5, the two extrusion blocks 12 are parallel to the top and the bottom of the pump shaft body 5, the extrusion blocks 12 are tightly matched with the pump shaft body 5, the extrusion blocks 12 and the fixed block 6 are of an integrated structure, and the external threads of the screw type fixing bolts 8 are connected with a fixing, the outside of two screw fixing bolt 8 all cup joints the gasket that is located two fixation nut 13's opposite face, and two fixation nut 13's opposite face all laminates at the external surface of fixing base 4.

In summary, the pump shaft sealing structure is convenient for the pump shaft body 5 and the water pump 3 to be matched through the lining plate 11 arranged on the water pump 3, the effect of tightness between the pump shaft body 5 and the water pump 3 is increased, the phenomenon that the gap between the water pump 3 and the pump shaft body 5 is large when the pump shaft sealing structure is installed is avoided, and through the screw type fixing bolt 8 arranged on the fixing seat 4, when the torque force of the pump shaft body 5 is overlarge to cause clearance abrasion on the water pump 3, the screw type fixing bolt 8 is convenient to rotate, thereby leading the screw rod to move in the threaded hole 7, being convenient for driving the movable block 10 at the bottom to rotate and descend when the screw rod type fixed bolt 8 rotates, thereby make the movable block 10 promote the motion of fixed block 6 in the inside of activity groove 9 to laminating pump shaft body 5 when making the motion of fixed block 6, reducing the fit clearance, avoided pump shaft body 5 to produce and rock the problem that the back aggravates itself and the wearing and tearing of water pump 3 hole are necrotic.

It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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. A pump shaft seal structure, includes base (1), its characterized in that: the pump is characterized in that a motor (2) is fixedly mounted at the top of the base (1), a water pump (3) positioned on the left side of the motor (2) is fixedly mounted at the top of the base (1), a fixing seat (4) is movably mounted in the water pump (3), a pump shaft body (5) penetrating through the water pump (3) and extending into the fixing seat (4) is fixedly mounted at an output shaft of the motor (2), fixing blocks (6) are movably mounted at the top and the bottom in the fixing seat (4), threaded holes (7) are formed in the top and the bottom of the fixing seat (4), screw type fixing bolts (8) extending to the outside of the fixing seat (4) are in threaded connection with the inner portions of the threaded holes (7), movable grooves (9) are formed in the fixing block (6), and movable blocks (10) positioned in the movable grooves (9) are fixedly mounted on opposite surfaces of the two screw type fixing, the inside fixed mounting of water pump (3) has welt (11) that are located pump shaft body (5) outside, two the equal fixed mounting in opposite face of fixed block (6) has extrusion piece (12) that are located pump shaft body (5) outside, the outside threaded connection of screw fixing bolt (8) has fixation nut (13).

2. The pump shaft seal structure according to claim 1, characterized in that: the pump is characterized in that the base (1), the motor (2) and the water pump (3) are of an integrated structure, and the pump shaft body (5) is inserted in the water pump (3) and is in rotating connection with the water pump.

3. The pump shaft seal structure according to claim 1, characterized in that: the fixing seat (4) is sleeved inside the two fixing blocks (6), and the screw type fixing bolt (8) penetrates through the fixing seat (4) and is inserted inside the fixing blocks (6).

4. The pump shaft seal structure according to claim 1, characterized in that: the movable block (10) is corresponding to the movable groove (9), the fixed block (6) is sleeved with the outside of the movable block (10), the movable block (10) is connected with the fixed block (6) in a rotating mode, and the rotating angle is not smaller than three hundred and sixty degrees.

5. The pump shaft seal structure according to claim 1, characterized in that: welt (11) joint is in the inside of water pump (3), two extrusion piece (12) all are parallel to each other with the top and the bottom of pump shaft body (5), extrusion piece (12) closely cooperate each other with pump shaft body (5), extrusion piece (12) and fixed block (6) structure as an organic whole.

6. The pump shaft seal structure according to claim 1, characterized in that: the outside of two screw fixing bolt (8) all cup joints the gasket that is located the opposite face of two fixation nut (13), two the opposite face of fixation nut (13) all laminates at the external surface of fixing base (4).