CN216430043U

CN216430043U - Anti-loosening impeller structure of single suction pump

Info

Publication number: CN216430043U
Application number: CN202123062834.XU
Authority: CN
Inventors: 唐正坤
Original assignee: Jiangsu Yaxing Pump Valve Technology Co ltd
Current assignee: Jiangsu Yaxing Pump Valve Technology Co ltd
Priority date: 2021-12-07
Filing date: 2021-12-07
Publication date: 2022-05-03
Anticipated expiration: 2031-12-07

Abstract

The utility model discloses an anti-loosening impeller structure of a single suction pump, which comprises a pump body, wherein the outer wall of the pump body is provided with a water inlet, the upper surface of the pump body is provided with a water outlet, an impeller is arranged in the pump body, one side of the pump body, which is back to the water inlet, is fixedly connected with a support frame, the outer wall of the support frame is connected with a bearing pipe, the inner wall of the bearing pipe is fixedly connected with a pump shaft, one end of the bearing pipe, which is close to the water inlet, is connected with the pump body in a through way, a convex ring is sleeved on the arc contour of one end of the bearing pipe, one side of the convex ring, which is close to the support frame, is connected with the inner wall of the pump body in a laminating way, one side of the impeller, which is opposite to the support frame, is provided with a groove matched with the convex ring, and is clamped with the arc contour of one end of the support frame, one end of the pump shaft, which is opposite to the pump body, penetrates through the convex ring and the impeller and is screwed with a locking nut, thereby enhancing the connection stability between the impeller and the pump shaft, thereby achieving the effect of preventing the impeller from loosening easily.

Description

Anti-loosening impeller structure of single suction pump

Technical Field

The utility model relates to a single suction pump impeller technical field specifically is a single suction pump's anti-loosening formula impeller structure.

Background

The single-suction pump sucks in the horizontal axial direction and discharges upwards and radially. When the single suction pump is started, the pump shaft drives the impeller to rotate at a high speed together, so that the liquid filled in the blades in advance is forced to rotate, and the liquid moves radially from the center of the impeller to the periphery under the action of inertial centrifugal force. The liquid obtains energy in the process of moving through the impeller, the static pressure energy is increased, and the flow speed is increased. When the liquid leaves the impeller and enters the pump shell, the speed is reduced due to the gradual expansion of the flow channel in the shell, part of kinetic energy is converted into static pressure energy, and finally the static pressure energy flows into a discharge pipeline along the tangential direction. Therefore, the impeller plays a core role in the integral motion of the impeller in the single suction pump, and the stability of the impeller in the pump body determines the key of whether the single suction pump can be normally used.

Traditional single suction pump impeller has centre gripping limit structure too simple, leads to the impeller to take place the pine easily and take off in long-term work, and then causes the problem that causes destruction to pump shaft and single suction pump inner wall.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a single suction pump's locking formula impeller structure possesses the stability of being connected between reinforcing impeller and the pump shaft, and then reaches the advantage that prevents the easy pine of impeller and take off, has solved the problem of proposing among the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a single suction pump's anti-loosening formula impeller structure, includes the pump body, be equipped with the water inlet on the outer wall of the pump body, the upper surface of the pump body is equipped with the delivery port, be equipped with the impeller in the pump body, the pump body is carried on the back in one side fixedly connected with support frame of water inlet, the inner wall fixedly connected with pump shaft that support frame outer wall through connection has bearing tube and bearing tube, the one end and the pump body through connection that the bearing tube is close to the water inlet, the bulge loop has been cup jointed on the arc profile of bearing tube through-connection pump body one end, the bulge loop is close to one side of support frame and is connected with the inner wall laminating of the pump body, one side of the relative support frame of impeller is seted up with the recess of bulge loop looks adaptation and is carried on the back in the arc profile joint of support frame one end through this recess and bulge loop, the one end of the relative pump body of pump shaft runs through bulge loop and impeller and spiro union, one side fixedly connected with go-between and the one side and the lock nut that the impeller is carried on the back in one side of the impeller of the relative lock nut of the impeller of the relative lock nut of the relative lock-connection loop of the one side fixedly connected with the go-connection loop and lock nut of the impeller The outer wall of the female pump body is connected in an attaching mode, the inner wall of the connecting ring is in limited sliding connection with the arc-shaped outline of the pump shaft, and one end, far away from the pump body, of the pump shaft is fixedly connected with an output shaft of an external motor.

Preferably, the arc profile of go-between is last to set up logical groove and the equal joint of inner wall that two lead to grooves of two symmetries has the arc piece, set up the draw-in groove with arc piece looks adaptation on the arc profile of pump shaft, two the one end of the relative pump shaft of arc piece respectively with the draw-in groove joint that corresponds, the screw thread of looks adaptation all is seted up on the upper surface of arc piece and the arc profile of go-between and has the screw ring through this screw thread spiro union, the screw ring is connected with lock nut's outer wall laminating on the back of the body in one side of impeller.

Preferably, the sum of the depths of the clamping groove and the through groove is the same as the sum of the heights of the arc-shaped blocks.

Preferably, a first sealing gasket is arranged on the side, opposite to the inner wall of the groove, of the convex ring, the pump shaft penetrates through the first sealing gasket, and the first sealing gasket is made of rubber.

Preferably, a second sealing gasket is arranged on the opposite side of the connecting ring and the locking nut, the pump shaft penetrates through the second sealing gasket, and the second sealing gasket is made of rubber.

Preferably, one side of the inner wall of the pump body, which is close to the support frame, is provided with an annular groove and is in limit sliding connection with a clamping ring through the annular groove, and the clamping ring is fixedly connected with the outer wall of the convex ring, back on to one side of the pump body.

Preferably, one side of the convex ring close to the impeller is fixedly connected with a plurality of clamping shafts and the plurality of clamping shafts are distributed in an annular array, one side of the convex ring back to the impeller is provided with a plurality of jacks matched with the clamping shafts, and the jacks are clamped with the corresponding clamping shafts.

Preferably, the support frame is back on to one side of the pump body through screw fixedly connected with sealing ring, the sealing ring cup joints on the arc profile of pump shaft and be spacing sliding connection with the arc profile of pump shaft.

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

the utility model discloses an impeller, the pump shaft, the sealing ring, the support frame, the bearing pipe, the card axle, the snap ring, the bulge loop, sealed pad one, the go-between, sealed pad two, lock nut, the common cooperation of arc piece and screw ring, the stability of being connected between reinforcing impeller and the pump shaft has been reached, and then reach the effect that prevents the easy pine of impeller and take off, it is too simple to have solved traditional single suction pump impeller and have centre gripping limit structure, lead to the impeller to take place the pine easily in long-term work and take off, and then make the problem that causes the destruction to pump shaft and single suction pump inner wall.

Drawings

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

FIG. 2 is an enlarged view of the structure of the area A in FIG. 1 according to the present invention;

fig. 3 is an exploded view of the structure of the connecting ring of the present invention;

fig. 4 is a schematic structural view of the middle convex ring of the present invention.

In the figure: 1. a pump body; 2. a water outlet; 3. a water inlet; 4. an impeller; 5. a pump shaft; 6. a seal ring; 7. a support frame; 8. a bearing tube; 9. clamping a shaft; 10. a snap ring; 11. a convex ring; 12. a first sealing gasket; 13. a connecting ring; 14. a second sealing gasket; 15. locking the nut; 16. an arc-shaped block; 17. a threaded ring.

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 to 4, the present invention provides a technical solution: an anti-loosening impeller structure of a single suction pump comprises a pump body 1, wherein a water inlet 3 is arranged on the outer wall of the pump body 1, a water outlet 2 is arranged on the upper surface of the pump body 1, an impeller 4 is arranged in the pump body 1, a support frame 7 is fixedly connected to one side of the pump body 1 opposite to the water inlet 3, the outer wall of the support frame 7 is connected with a bearing pipe 8 in a through mode, a pump shaft 5 is fixedly connected to the inner wall of the bearing pipe 8, one end, close to the water inlet 3, of the bearing pipe 8 is connected with the pump body 1 in a through mode, a convex ring 11 is sleeved on an arc-shaped outline, through which the bearing pipe 8 penetrates one end of the pump body 1, one side, close to the support frame 7, of the convex ring 11 is connected with the inner wall of the pump body 1 in an attaching mode, a groove matched with the convex ring 11 is formed in one side, opposite to the support frame 7, of the impeller 4 is connected with the arc-shaped outline, through the convex ring 11 and the impeller 4 in a screwed locking nut 15, one side fixedly connected with go-between 13 and the go-between 13 that impeller 4 is relative lock nut 15 is connected with the outer wall laminating of lock nut 15 on the back of the one side of impeller 4, and the inner wall of go-between 13 and the spacing sliding connection of arc profile of pump shaft 5, and the one end that the pump body 1 was kept away from to pump shaft 5 and the output shaft fixed connection of external motor.

The pump shaft 5 is fixedly connected on the inner wall of the bearing pipe 8, so that when the pump shaft 5 rotates, the rotating resistance of the pump shaft 5 is reduced, and the stability of the pump shaft 5 is improved, the end, close to the water inlet 3, of the bearing pipe 8 is in through connection with the pump body 1, and the bearing pipe 8 is in through connection with the arc-shaped outline at the end, through which the bearing pipe 8 penetrates the pump body 1, of the pump shaft 11, so that the sealing effect of the pump shaft 5 in the pump body 1 can be protected, the corrosion caused by the direct long-time contact of the pump shaft 5 and the liquid in the pump body 1 is avoided, meanwhile, a groove matched with the convex ring 11 is formed in one side, opposite to the pump shaft 5, of the impeller 4, and the arc-shaped outline at one end, opposite to the support frame 7, of the impeller 11 is clamped through the groove, so that the stability of the impeller 4 in the pump body 1 is improved, and finally, one end, opposite to the pump shaft 5, to the impeller 4, is in threaded connection with the locking nut 15, so that the locking effect of the impeller 4 is achieved, and the stability of the impeller 4 in the pump body 1 is improved again, so that the anti-loosening effect of the impeller 4 is achieved.

Set up the logical groove of two symmetries and two equal joints of inner wall that lead to the groove on go-between 13's the arc profile have arc piece 16, set up the draw-in groove with 16 looks adaptations of arc piece on the arc profile of pump shaft 5, the one end of the relative pump shaft 5 of two arc pieces respectively with the draw-in groove joint that corresponds, the screw thread of looks adaptation and through this screw thread spiro union have screw ring 17 all set up on the upper surface of arc piece 16 and the arc profile of go-between 13, screw ring 17 is connected in the outer wall laminating of one side and lock nut 15 of impeller 4 on the back of the body.

Through the 16 joints of arc piece in logical inslot and the relative pump shaft 5's of arc piece one end respectively with the draw-in groove joint that corresponds, can reach further promotion pump shaft 5 and the impeller 4 between stable effect, the spiro union has screw thread ring 17 and screw thread ring 17 to be connected in the laminating of the outer wall of one side and lock nut 15 of impeller 4 back on the arc profile through go-between 13, can further promote the spacing effect to arc piece 16, make the joint that arc piece 16 can be stable in logical inslot and draw-in groove, play the stability effect that promotes impeller 4 and pump shaft 5 and be connected, lock nut 15 plays limiting displacement to screw thread ring 17 again simultaneously, and then the locking effect of taking off of impeller 4 has been promoted.

The sum of the depths of the clamping groove and the through groove is the same as the sum of the heights of the arc-shaped blocks 16.

The depth sum of the clamping groove and the through groove is the same as the height sum of the arc-shaped block 16, so that when the arc-shaped block 16 is clamped in the clamping groove and the through groove, the upper surface of the arc-shaped block 16 and the arc of the connecting ring 13 are located on the same plane, connection of the convenient threaded ring 17 is achieved, and the stability effect of the arc-shaped block 16 in the arc-shaped block 16 and the through groove is improved.

The side, opposite to the inner wall of the groove, of the convex ring 11 is provided with a first sealing gasket 12, the pump shaft 5 penetrates through the first sealing gasket 12, and the first sealing gasket 12 is made of rubber.

The opposite side of 11 and recess inner wall of bulge loop is located to sealed pad 12 through the rubber material, can reach and further promote the leakproofness effect between bulge loop 11, pump shaft 5 and the impeller 4, avoids liquid to flow into and corrodes pump shaft 5 in the bulge loop 11, causes the damage of pump shaft 5, and then reduces the stability of impeller 4.

The opposite side of the connecting ring 13 and the locking nut 15 is provided with a second sealing gasket 14, the pump shaft 5 penetrates through the second sealing gasket 14, and the second sealing gasket 14 is made of rubber.

The sealing gasket II 14 made of rubber is arranged on the opposite side of the connecting ring 13 and the locking nut 15, so that the sealing effect among the connecting ring 13, the pump shaft 5 and the locking nut 15 can be further improved, the pump shaft 5 is prevented from being damaged due to the fact that liquid flows into the connecting ring 13 to corrode the pump shaft 5, and the stability of the impeller 4 is further reduced.

The ring channel is seted up and through the spacing sliding connection of this ring channel snap ring 10 in the one side that the support frame 7 is close to the inner wall of the pump body 1, snap ring 10 back on the back in one side of the pump body 1 and the outer wall fixed connection of bulge loop 11.

Carry out spacing sliding connection through the ring channel of seting up on snap ring 10 of fixed connection on the bulge loop 11 outer wall and the inner wall of the pump body 1, can reach and further promote the stability effect between bulge loop 11 and the pump body 1, and then promote impeller 4's stability, reach the effect that prevention and cure impeller 4 pine takes off.

One side fixedly connected with a plurality of card axles 9 and a plurality of card axles 9 that bulge loop 11 is close to impeller 4 are the annular array and distribute, and impeller 4 is carried on the back one side of bulge loop 11 mutually and is seted up a plurality of jacks and this a plurality of jacks and the card axle 9 joint that corresponds with the card axle 9 looks adaptation.

Through the joint of card axle 9 and jack, can reach the stability effect that further promotes between bulge loop 11 and the impeller 4, and then reach the effect that prevention and cure impeller 4 pine takes off.

The support frame 7 is back on the back of one side of the pump body 1 and is fixedly connected with a sealing ring 6 through a screw, and the sealing ring 6 is sleeved on the arc-shaped profile of the pump shaft 5 and is in limited sliding connection with the arc-shaped profile of the pump shaft 5.

The arc profiles of the sealing ring 6 and the pump shaft 5 are in limit sliding connection and are fixedly connected with one side of the support frame 7 back on the pump body 1 through screws, so that the sealing protection of the bearing pipe 8 can be achieved, and the damage of the bearing pipe 8 caused by dust or foreign matters entering the bearing pipe 8 is avoided.

The working principle is as follows: when the anti-loosening impeller structure of the single suction pump is used, firstly, the pump shaft 5 is fixedly connected on the inner wall of the bearing pipe 8, so that when the pump shaft 5 rotates, the rotating resistance of the pump shaft 5 is reduced, and the stability of the pump shaft 5 is improved, one end of the bearing pipe 8 close to the water inlet 3 is in through connection with the pump body 1, and the bearing pipe 8 penetrates through the arc contour of one end of the pump body 1, so that the convex ring 11 is sleeved, the sealing effect of the pump shaft 5 in the pump body 1 can be protected, the pump shaft 5 is prevented from being directly contacted with liquid in the pump body 1 for a long time to cause corrosion, meanwhile, one side of the impeller 4 opposite to the pump shaft 5 is provided with a groove matched with the convex ring 11, and is clamped with the arc contour of one end of the support frame 7 opposite to the convex ring 11 through the groove, the stability effect of the impeller 4 in the pump body 1 is achieved, finally, one end of the pump shaft 5 opposite to the pump body 1 penetrates through the convex ring 11 and the impeller 4 and is in threaded connection with the locking nut 15, the locking effect on the impeller 4 is achieved, the stability of the impeller 4 in the pump body 1 is improved again, and the anti-loosening effect of the impeller 4 is achieved.

Carry out spacing sliding connection through the ring channel of seting up on snap ring 10 of fixed connection on the 11 outer walls of bulge loop and the 1 inner wall of the pump body, can reach the stability effect between further promotion bulge loop 11 and the pump body 1, and then promote impeller 4's stability, reach the effect that prevention and cure impeller 4 pine takes off, through the joint of card axle 9 and jack, can reach the stability effect between further promotion bulge loop 11 and the impeller 4, and then reach the effect that prevention and cure impeller 4 pine takes off.

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 single suction pump's anti-loosening formula impeller structure, includes the pump body (1), be equipped with water inlet (3) on the outer wall of the pump body (1), the upper surface of the pump body (1) is equipped with delivery port (2), be equipped with impeller (4), its characterized in that in the pump body (1): the pump comprises a pump body (1), a support frame (7) is fixedly connected to one side, back to the water inlet (3), of the pump body (1), a bearing pipe (8) is connected to the outer wall of the support frame (7) in a penetrating manner, a pump shaft (5) is fixedly connected to the inner wall of the bearing pipe (8) close to the water inlet (3), one end, close to the water inlet (3), of the bearing pipe (8) is connected with the pump body (1) in a penetrating manner, a convex ring (11) is sleeved on an arc-shaped contour of one end, through which the convex ring (11) is connected with the inner wall of the pump body (1) in a fitting manner, one side, close to the support frame (7), of the convex ring (11) is provided with a groove matched with the convex ring (11), the convex ring (11) is connected with the arc-shaped contour of one end, back to the support frame (7), of the pump shaft (5), penetrates through the convex ring (11) and the impeller (4) and is screwed with a locking nut (15), one side fixedly connected with go-between (13) and go-between (13) of impeller (4) relative lock nut (15) are carried on the back in one side of impeller (4) and the outer wall laminating of lock nut (15) and are connected, the inner wall of go-between (13) and the spacing sliding connection of arc profile of pump shaft (5), the one end of the pump body (1) and the output shaft fixed connection of external motor are kept away from in pump shaft (5).

2. The anti-loosening impeller structure of a single suction pump according to claim 1, wherein: set up the equal joint of the logical groove of logical groove and the inner wall that leads to the groove of two symmetries on the arc profile of go-between (13) and have arc piece (16), set up the draw-in groove with arc piece (16) looks adaptation on the arc profile of pump shaft (5), two the one end of the relative pump shaft (5) of arc piece (16) respectively with the draw-in groove joint that corresponds, the screw thread of looks adaptation all is seted up on the upper surface of arc piece (16) and the arc profile of go-between (13) and has threaded ring (17) through this screw thread spiro union, threaded ring (17) are connected in the laminating of the outer wall of one side and lock nut (15) of impeller (4) mutually on the back of the body.

3. The anti-loosening impeller structure of a single suction pump according to claim 2, wherein: the sum of the depths of the clamping groove and the through groove is the same as the sum of the heights of the arc-shaped blocks (16).

4. The anti-loosening impeller structure of a single suction pump according to claim 1, wherein: the opposite side of the convex ring (11) and the inner wall of the groove is provided with a first sealing gasket (12), the pump shaft (5) penetrates through the first sealing gasket (12), and the first sealing gasket (12) is made of rubber.

5. The anti-loosening impeller structure of a single suction pump according to claim 1, wherein: and a second sealing gasket (14) is arranged on the opposite side of the connecting ring (13) and the locking nut (15), the pump shaft (5) penetrates through the second sealing gasket (14), and the second sealing gasket (14) is made of rubber.

6. The anti-loosening impeller structure of a single suction pump according to claim 1, wherein: the pump body (1) inner wall is close to one side of support frame (7) and has seted up the ring channel and through the spacing sliding connection of this ring channel have snap ring (10), snap ring (10) carry on the back in one side of the pump body (1) and the outer wall fixed connection of bulge loop (11).

7. The anti-loosening impeller structure of a single suction pump according to claim 1, wherein: one side fixedly connected with a plurality of card axles (9) and a plurality of card axles (9) that bulge loop (11) are close to impeller (4) are the annular array and distribute, impeller (4) one side of bulge loop (11) back of the body offer a plurality of with card axle (9) looks adaptation jack and these a plurality of jacks and the card axle (9) joint that corresponds.

8. The anti-loosening impeller structure of a single suction pump according to claim 1, wherein: one side of the support frame (7) back on the back of the body of the pump (1) is fixedly connected with a sealing ring (6) through a screw, and the sealing ring (6) is sleeved on the arc-shaped profile of the pump shaft (5) and is in limited sliding connection with the arc-shaped profile of the pump shaft (5).