CN214170917U

CN214170917U - Pump shaft adjusting structure of submerged pump

Info

Publication number: CN214170917U
Application number: CN202022668914.9U
Authority: CN
Inventors: 刘香
Original assignee: John Borman Industrial Equipment Zhangjiagang Co ltd
Current assignee: John Borman Industrial Equipment Zhangjiagang Co ltd
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-09-10
Anticipated expiration: 2030-11-18

Abstract

The utility model discloses a pump shaft adjusting structure of submerged pump relates to the submerged pump field, including pump case and pipeline, the upper end middle part and the pipeline fixed connection of pump case, and the last lateral wall of pump case seted up with pipeline assorted round hole, the inside of pipeline is equipped with the first main shaft of vertical setting, the lower extreme of first main shaft extends to the inside of pump case, the inside below of first main shaft is seted up flutedly, the second main shaft of the vertical setting of inside sliding connection of recess, the lower extreme of second main shaft extends to the outside of first main shaft, the connecting block of two symmetric distributions of the axial wall middle part fixedly connected with of second main shaft, the axle sleeve has been cup jointed in the middle part of the first main shaft outside slip, two opposite both ends of connecting block run through the both sides of recess respectively and with the left and right sides fixed connection of axle sleeve. The utility model discloses can effectively adjust the flexible length of pump shaft to be convenient for carry out fixed connection with pump shaft and impeller, avoid impeller and pump case mutual contact, the people of being convenient for use.

Description

Pump shaft adjusting structure of submerged pump

Technical Field

The utility model relates to a submerged pump field, in particular to pump shaft adjusting structure of submerged pump.

Background

The traditional submerged pump is suitable for conveying a plurality of corrosive media such as strong acid, alkali, salt, strong oxidant and the like with any concentration for a long time, and the novel submerged pump is suitable for conveying light, inflammable and explosive materials and has the characteristics of no maintenance, explosion prevention and low energy consumption; the shell, the main pipe, the outlet pipe and the overflowing part of the traditional submerged pump are all made of plastic alloy through mould pressing and sintering, and the main machine part of the traditional submerged pump is completely placed in liquid, so that the submerged pump has the characteristics of strong corrosion resistance, high mechanical strength, no oxidation and no toxin decomposition.

At present, a pump shaft of a submerged pump is long, axial parts are more, due to the reason of tolerance accumulation, when an impeller is installed at last, the impeller and a pump shell are often rubbed, and related parts need to be repaired, so that the sizes of the parts are not uniform, the universality is influenced, and troubles are brought to subsequent replacement of spare parts.

Therefore, it is necessary to provide a pump shaft adjusting structure of a submerged pump to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pump shaft regulation structure of submerged pump to the pump shaft of the submerged pump that proposes in solving above-mentioned background art is longer, and axial parts is more, because the reason of tolerance accumulation, when installing the impeller at last, the impeller often can appear and the pump case takes place to rub the phenomenon, and this just needs to be repaiied the relevant part, leads to the size of part to be non-uniform, influences the commonality, brings troublesome problem for follow-up change spare part.

In order to achieve the above object, the utility model provides a following technical scheme: a pump shaft adjusting structure of a submerged pump comprises a pump shell and a pipeline, wherein the middle part of the upper end of the pump shell is fixedly connected with the pipeline, a round hole matched with the pipeline is formed in the upper side wall of the pump shell, a vertically arranged first main shaft is arranged inside the pipeline, the lower end of the first main shaft extends into the pump shell, a groove is formed in the lower portion inside the first main shaft, the inside of the groove is connected with a vertically arranged second main shaft in a sliding mode, the lower end of the second main shaft extends to the outside of the first main shaft, two symmetrically distributed connecting blocks are fixedly connected to the middle part of the shaft wall of the second main shaft, a shaft sleeve is sleeved in the middle of the outer side of the first main shaft in a sliding mode, two opposite ends of the two connecting blocks penetrate through two sides of the groove respectively and are fixedly connected with the left side and the right side of the shaft sleeve, and first strip-shaped openings matched with the connecting blocks are formed in the middle parts of the left side and the right side of the groove, the outer side wall of the shaft sleeve is rotatably connected with a sleeve through a first bearing, and the sleeve is in sliding connection with the inner side wall of the pipeline;

the pipeline comprises a casing, a movable block, a second bearing and a second bearing, wherein the movable block is fixedly connected to the middle of the right outer side wall of the casing, the casing is fixedly connected to the right outer side wall of the pipeline, the right end of the movable block penetrates through the right side wall of the pipeline and extends into the casing, a second strip-shaped port matched with the movable block is formed in the right side wall of the pipeline, an adjusting bolt is vertically arranged in the casing, and the upper end and the lower end of the adjusting bolt both extend to the outside of the casing and are rotatably connected with the upper side and the lower side of the casing through the second bearing.

Preferably, the upper side and the lower side of the inside of the pipeline are fixedly connected with supporting plates, the two supporting plates are respectively positioned on the upper side and the lower side of the shaft sleeve, and the shaft wall of the first main shaft is rotatably connected with the two supporting plates through two third bearings.

Preferably, a plurality of sliding rods which are uniformly distributed are fixedly connected between the two supporting plates, and the end face of the sleeve is in sliding sleeve connection with the sliding rods through a plurality of through holes.

Preferably, the number of the plurality of the sliding rods is four, and the four sliding rods are distributed annularly around the first main shaft.

Preferably, an annular sealing gasket is fixedly connected to the lower portion inside the groove, and the inner side wall of the annular sealing gasket is tightly connected with the shaft wall of the second main shaft.

Preferably, a locking nut is sleeved on the lower thread of the rod wall of the adjusting bolt, and the locking nut is located below the shell.

The utility model discloses a technological effect and advantage:

1. through the mutual matching of the arranged pipeline, the first main shaft, the second main shaft, the shaft sleeve, the two connecting blocks, the sleeve, the moving block, the shell and the adjusting bolt, the moving block can be driven to move by rotating the adjusting bolt, the moving block can drive the sleeve to move, the sleeve can drive the two connecting blocks to move, the two moving blocks can drive the two second main shafts to move, so that the length of the lower end of the second main shaft extending out of the first main shaft can be adjusted, an impeller and the second main shaft can be conveniently and fixedly installed, the shaft sleeve and the first main shaft can rotate mutually, and the first main shaft can drive the second main shaft to rotate through the two connecting blocks;

2. the first main shaft can be more stable when rotating through the two supporting plates, and the sleeve can be more stable when moving through the plurality of sliding rods;

3. through the lock nut who is equipped with, after adjusting bolt regulation finishes, tighten lock nut and can make adjusting bolt fixed, avoid at the during operation, adjusting bolt free rotation and lead to the second main shaft to remove.

Drawings

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

fig. 2 is a schematic front sectional structure of the present invention;

fig. 3 is a schematic sectional view of the first spindle according to the present invention.

In the figure: 1. a pump housing; 2. a pipeline; 3. a first main shaft; 4. a second main shaft; 5. connecting blocks; 6. a shaft sleeve; 7. a sleeve; 8. a moving block; 9. a housing; 10. adjusting the bolt; 11. a support plate; 12. a slide bar; 13. an annular seal; 14. and locking the nut.

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.

The utility model provides a pump shaft adjusting structure of a submerged pump as shown in figures 1-3, which comprises a pump case 1 and a pipeline 2, the middle part of the upper end of the pump case 1 is fixedly connected with the pipeline 2, the upper side wall of the pump case 1 is provided with a round hole matched with the pipeline 2, the inside of the pipeline 2 is provided with a vertically arranged first main shaft 3, the lower end of the first main shaft 3 extends to the inside of the pump case 1, the lower part of the inside of the first main shaft 3 is provided with a groove, the inside of the groove is slidably connected with a vertically arranged second main shaft 4, the lower end of the second main shaft 4 extends to the outside of the first main shaft 3, the middle part of the shaft wall of the second main shaft 4 is fixedly connected with two symmetrically distributed connecting blocks 5, the middle part of the outer side of the first main shaft 3 is slidably sleeved with a shaft sleeve 6, two opposite ends of the two connecting blocks 5 respectively penetrate through the two sides of the groove and are fixedly connected with the left side and the right side of the shaft sleeve 6, and the middle parts of the left side and the right side of the groove are both provided with a first strip-shaped opening matched with the connecting blocks 5, the outer side wall of the shaft sleeve 6 is rotatably connected with a sleeve 7 through a first bearing, and the sleeve 7 is in sliding connection with the inner side wall of the pipeline 2;

simultaneously, the right side wall middle part fixedly connected with movable block 8 of sleeve 7, the right side wall fixedly connected with casing 9 of pipeline 2, the right-hand member of movable block 8 runs through the right side wall of pipeline 2 and extends to the inside of casing 9, the right side wall of pipeline 2 seted up with the second bar mouth of movable block 8 assorted, the inside of casing 9 is equipped with the adjusting bolt 10 of vertical setting, the upper and lower both ends of adjusting bolt 10 all extend to the outside of casing 9 and rotate with the upper and lower both sides of casing 9 through the second bearing and be connected.

As shown in fig. 2, the upper and lower sides of the inside of the pipe 2 are fixedly connected with the supporting plates 11, the two supporting plates 11 are respectively located at the upper and lower sides of the shaft sleeve 6, and the shaft wall of the first main shaft 3 is rotatably connected with the two supporting plates 11 through two third bearings, so that the first main shaft 3 is more stable when rotating.

As shown in fig. 2 and 3, a plurality of sliding rods 12 are fixedly connected between the two supporting plates 11, and the end surface of the sleeve 7 is slidably sleeved with the plurality of sliding rods 12 through a plurality of through holes, so that the sleeve 7 is more stable when moving.

Meanwhile, the number of the plurality of slide bars 12 is set to four, and the four slide bars 12 are annularly distributed around the first main shaft 3.

As shown in fig. 3, an annular sealing gasket 13 is fixedly connected to the lower portion of the inner portion of the groove, and the inner side wall of the annular sealing gasket 13 is tightly connected to the shaft wall of the second main shaft 4, so that the sealing performance between the side wall of the groove and the second main shaft 4 can be improved.

As shown in fig. 2, a locking nut 14 is sleeved on the lower thread of the rod wall of the adjusting bolt 10, the locking nut 14 is located below the housing 9, and after the adjusting bolt 10 is adjusted, the locking nut 14 is screwed down to fix the adjusting bolt 10, so that the adjusting bolt 10 is prevented from freely rotating to cause the movement of the second spindle 4 during operation.

The utility model discloses the theory of operation:

when the device is used, the adjusting bolt 10 is rotated to drive the moving block 8 to move, the moving block 8 can drive the sleeve 7 to move, the sleeve 7 can drive the two connecting blocks 5 to move, the two connecting blocks 5 can drive the two second main shafts 4 to move, so that the length of the lower end of the second main shaft 4 extending out of the first main shaft 3 can be adjusted, an impeller and the second main shafts 4 can be conveniently and fixedly mounted, the shaft sleeve 6 and the first main shaft 3 rotate mutually, and the first main shaft 3 can drive the second main shaft 4 to rotate through the two connecting blocks 5;

after the adjusting bolt 10 is adjusted, the locking nut 14 is screwed down to fix the adjusting bolt 10, so that the second spindle 4 is prevented from moving due to free rotation of the adjusting bolt 10 during operation.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a pump shaft of submerged pump adjusts structure which characterized in that: the pump comprises a pump shell (1) and a pipeline (2), wherein the middle part of the upper end of the pump shell (1) is fixedly connected with the pipeline (2), a round hole matched with the pipeline (2) is formed in the upper side wall of the pump shell (1), a vertically arranged first main shaft (3) is arranged in the pipeline (2), the lower end of the first main shaft (3) extends into the pump shell (1), a groove is formed in the lower part of the inside of the first main shaft (3), the inside of the groove is slidably connected with a vertically arranged second main shaft (4), the lower end of the second main shaft (4) extends to the outside of the first main shaft (3), two symmetrically distributed connecting blocks (5) are fixedly connected to the middle part of the shaft wall of the second main shaft (4), a shaft sleeve (6) is slidably sleeved in the middle part of the outer side of the first main shaft (3), and two opposite ends of the two connecting blocks (5) respectively penetrate through two sides of the groove and are fixedly connected with the left side and the right side of the shaft sleeve (6), the middle parts of the left side and the right side of the groove are respectively provided with a first strip-shaped opening matched with the connecting block (5), the outer side wall of the shaft sleeve (6) is rotatably connected with a sleeve (7) through a first bearing, and the sleeve (7) is in sliding connection with the inner side wall of the pipeline (2);

the utility model discloses a pipeline, including pipeline (2), the right side wall of sleeve (7), the right side wall middle part fixedly connected with movable block (8) of sleeve (7), the right-hand member of pipeline (2) is run through the right side wall of pipeline (2) and is extended to the inside of casing (9), the right side wall of pipeline (2) is seted up with movable block (8) assorted second bar mouth, the inside of casing (9) is equipped with adjusting bolt (10) of vertical setting, the upper and lower both ends of adjusting bolt (10) all extend to the outside of casing (9) and are connected with the upper and lower both sides rotation of casing (9) through the second bearing.

2. The pump shaft adjustment structure for a submerged pump according to claim 1, wherein: the equal fixedly connected with backup pad (11) in both sides about the inside of pipeline (2), two backup pad (11) are located the upper and lower both sides of axle sleeve (6) respectively, the axle wall of first main shaft (3) is connected with two backup pad (11) rotations through two third bearings.

3. The pump shaft adjusting structure of a submerged pump according to claim 2, wherein: two fixedly connected with a plurality of evenly distributed's slide bar (12) between backup pad (11), the terminal surface of sleeve (7) slides through a plurality of through-holes and cup joints with a plurality of slide bar (12).

4. The pump shaft adjusting structure of a submerged pump according to claim 3, wherein: the number of the sliding rods (12) is four, and the four sliding rods (12) are annularly distributed around the first main shaft (3).

5. The pump shaft adjustment structure for a submerged pump according to claim 1, wherein: the inside below fixedly connected with annular seal pad (13) of recess, the inside wall of annular seal pad (13) and the axle wall zonulae occludens of second main shaft (4).

6. The pump shaft adjustment structure for a submerged pump according to claim 1, wherein: and a locking nut (14) is sleeved on the lower thread of the rod wall of the adjusting bolt (10), and the locking nut (14) is positioned below the shell (9).