CN210265242U

CN210265242U - Novel pump shaft

Info

Publication number: CN210265242U
Application number: CN201921151734.4U
Authority: CN
Inventors: 张加庆; 朱阳
Original assignee: Chongqing Sitong Weizhi Automation Technology Co Ltd
Current assignee: Chongqing Sitong Weizhi Automation Technology Co Ltd
Priority date: 2019-07-22
Filing date: 2019-07-22
Publication date: 2020-04-07
Anticipated expiration: 2029-07-22

Abstract

The utility model discloses a novel pump shaft, including first axis body, the outside of first axis body is provided with the external screw thread, one side welding that the external screw thread was kept away from to the first axis body has the second axis body, the outside of the second axis body evenly is fixed with the multiunit fixture block, the outside of fixture block is fixed with the axle sleeve, the top of axle sleeve both sides is all set gradually first through-hole and second through-hole from the lining to the outside, all be fixed with first card strip and second card strip on the inner wall of first through-hole and second through-hole. The utility model discloses a fixture block, first card strip and the second card strip that set up, use outside press to carry out the secondary with first card strip and second card strip and first axis body and second axis body and fix, avoided the motor shaft to cause the damage of pump shaft through the in-process of pivot with power transmission for the pump, and through the upper fixed ring and the lower fixed ring that set up, fix first ring gear and second ring gear, avoid the motor shaft to cause the loss of power at the in-process of transmitting for the pump shaft.

Description

Novel pump shaft

Technical Field

The utility model relates to a pump shaft technical field specifically is a novel pump shaft.

Background

The pump shaft is a part connecting the motor and the pump, and is connected with the motor shaft through one end, and the impeller is supported by the other end to rotate, so that the power on the motor shaft is transmitted to the pump.

And current pump shaft lacks the reinforcing key, passes through the in-process that the pump was given power transmission to the pump when the motor shaft, need drive the pump shaft and be rotary motion together, and too big when power, will lead to the damage of pump shaft, reduced the life of pump shaft, and current pump shaft single structure can not be fixed with the motor well, makes the motor shaft cause the loss of certain power at the in-process that transmits the pump shaft, makes the result of use of pump shaft not good.

Disclosure of Invention

The utility model aims to provide a: in order to solve current pump shaft and lack the reinforced key, pass through the in-process that the pump was given power transmission to the pump when the motor shaft, need drive the pump shaft and be rotary motion together, it is too big when power, will lead to the damage of pump shaft, the life of pump shaft has been reduced, and current pump shaft single structure, can not fix with the motor fine, make the motor shaft cause the loss of certain power at the in-process that transmits for the pump shaft, make the not good problem of result of use of pump shaft, a novel pump shaft is provided.

In order to achieve the above object, the utility model provides a following technical scheme: a novel pump shaft comprises a first shaft body, wherein an external thread is arranged on the outer side of the first shaft body, a second shaft body is welded on one side, away from the external thread, of the first shaft body, a plurality of groups of clamping blocks are uniformly fixed on the outer side of the second shaft body, a shaft sleeve is fixed on the outer side of each clamping block, a first through hole and a second through hole are sequentially formed in the top parts of two sides of the shaft sleeve from inside to outside, a first clamping strip and a second clamping strip are fixed on the inner walls of the first through hole and the second through hole, a third shaft body is welded on one side, away from the first shaft body, of the second shaft body, bearing seats are arranged on the outer sides of the first shaft body and the third shaft body and are respectively positioned on two sides of the shaft sleeve, a first gear ring is welded on one side, away from the second shaft body, a rotating shaft is arranged on one side, away from the third shaft body, of the rotating shaft is welded, the top of second ring gear is provided with upper fixed ring, the top at upper fixed ring both ends all evenly is provided with the multiunit screw rod, the below of second ring gear is provided with lower fixed ring.

Preferably, a clamping groove matched with the clamping block is fixed on the inner wall of the shaft sleeve, and the second shaft body is fixedly connected with the shaft sleeve through the mutual matching of the clamping block and the clamping groove.

Preferably, the bottoms of the two ends of the lower fixing ring are uniformly provided with a plurality of groups of nuts matched with the screw rods.

Preferably, the inner walls of the upper fixing ring and the lower fixing ring are both fixed with racks matched with the first gear ring and the second gear ring.

Preferably, the outer sides of the two ends of the upper fixing ring and the lower fixing ring are provided with a plurality of groups of third through holes matched with the screw rods.

Preferably, the upper fixing ring and the lower fixing ring are both arc-shaped structures.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a fixture block that sets up, through the inside draw-in groove that sets up of axle sleeve, under the mutual matching of draw-in groove and fixture block, strengthen the second shaft body, through first card strip and second card strip, use outside press to carry out the secondary with first card strip and second card strip and first axis body and second shaft body and fix, avoided the motor shaft to cause the damage of pump shaft through the pivot with the in-process of power transmission for the pump, the life of pump shaft has been prolonged, and through the upper fixed ring and the lower fixed ring that set up, fix first ring gear and second ring gear, the friction has been increased, make third axis body and motor shaft coupling, avoid the motor shaft to cause the loss of power at the in-process of pump shaft transmission, make the result of use of pump shaft better.

Drawings

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

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

fig. 3 is a schematic structural view of the shaft sleeve of the present invention;

fig. 4 is a partial schematic view of the present invention;

fig. 5 is a schematic structural view of the upper fixing ring of the present invention.

In the figure: 1. a first shaft body; 2. an external thread; 3. a second shaft body; 4. a clamping block; 5. a shaft sleeve; 6. a card slot; 7. a first through hole; 8. a second through hole; 9. a first clip strip; 10. a second card strip; 11. a bearing seat; 12. a third shaft body; 13. a first ring gear; 14. a rotating shaft; 15. a second ring gear; 16. an upper fixing ring; 17. a lower fixing ring; 18. a third through hole; 19. a rack; 20. a screw; 21. and a 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 rack 19 and the screw rod 20 mentioned in the utility model can be ordered in the market or private.

Referring to fig. 1-5, a novel pump shaft comprises a first shaft body 1, an external thread 2 is disposed on the outer side of the first shaft body 1, a second shaft body 3 is welded on one side of the first shaft body 1 away from the external thread 2, a plurality of clamping blocks 4 are uniformly fixed on the outer side of the second shaft body 3, a shaft sleeve 5 is fixed on the outer side of each clamping block 4, a first through hole 7 and a second through hole 8 are sequentially formed in the top of each shaft sleeve 5 from inside to outside, a first clamping strip 9 and a second clamping strip 10 are fixed on the inner walls of the first through hole 7 and the second through hole 8, a third shaft body 12 is welded on one side of the second shaft body 3 away from the first shaft body 1, bearing seats 11 are disposed on the outer sides of the first shaft body 1 and the third shaft body 12, the bearing seats 11 are respectively located on two sides of the shaft sleeve 5, a first gear ring 13 is welded on one side of the outer side of the third shaft body 12 away from the second shaft body, a second gear ring 15 is welded on one side, close to the first gear 13, of the outer side of the rotating shaft 14, an upper fixing ring 16 is arranged above the second gear ring 15, multiple groups of screw rods 20 are evenly arranged at the tops of two ends of the upper fixing ring 16, and a lower fixing ring 17 is arranged below the second gear ring 15.

The utility model discloses a first through-hole 7 and the second through-hole 8 that set up, under the effect of first card strip 7 and second card strip 8, make

second shaft body

3 and 5 fixed connection of axle sleeve, make axle sleeve 5 play the fixed effect of enhancement to second shaft body 3, bearing frame 11 through setting up, reduce the friction between first shaft body 1 and the third shaft body 12, make 14 transmissions of pivot not lost for the torque of first shaft body 1, make the more laborsaving of rotation of first shaft body 1, the result of use of messenger's pump shaft is better.

Please refer to fig. 2 and 3, a locking groove 6 matching with the locking block 4 is fixed on the inner wall of the shaft sleeve 5, and the second shaft body 3 is fixedly connected with the shaft sleeve 5 through the mutual matching of the locking block 4 and the locking groove 6.

This kind of novel pump shaft passes through draw-in groove 6 that 5 inside settings of axle sleeve, under draw-in groove 6 and fixture block 4 mutually supported, makes axle sleeve 5 and second axle body 3 fix, consolidates second axle body 3 to the torque that the messenger transmitted through pivot 14 comes is better by the transmission, makes the result of use of pump shaft better.

Please refer to fig. 2, 4 and 5, the bottom of the two ends of the lower fixing ring 17 are uniformly provided with a plurality of sets of nuts 21 matching with the screws 20.

This kind of novel pump shaft passes through the nut 21 that lower fixed ring 17 both ends set up, under nut 21 and screw rod 20 mutually support, makes lower fixed ring 17 and last fixed ring 16 can dismantle the connection to better install and dismantle lower fixed ring 17 and lower fixed ring 16, make the use operation of pump shaft more convenient.

Referring to fig. 2, 4 and 5, racks 19 matched with the first and

second gear rings

13 and 15 are fixed on the inner walls of the upper and

lower fixing rings

16 and 17.

This kind of novel pump shaft passes through the rack 19 of the inside setting of solid fixed ring 16 and lower fixed ring 17, under rack 19 and the mutually supporting of first ring gear 13 and second ring gear 15, makes solid fixed ring 16 and lower fixed ring 17 fix third axis body 12 and pivot 14, makes the result of use of pump shaft better.

Please refer to fig. 2, 4 and 5, the outer sides of the two ends of the upper fixing ring 16 and the lower fixing ring 17 are respectively provided with a plurality of sets of third through holes 18 matching with the screws 20.

This kind of novel pump shaft passes through the third through-hole 18 that upper fixed ring 16 and lower fixed ring 17 both ends set up, makes screw rod 20 can fix third axis body 12 and pivot 14 through third through-hole 18, makes the fixed effect of third axis body 12 and pivot 14 better to the result of use of messenger's pump shaft is better.

Referring to fig. 2, 4 and 5, the upper retaining ring 16 and the lower retaining ring 17 are curved.

This kind of novel pump shaft is through last solid fixed ring 16 and the solid fixed ring 17 down that is arc-shaped structure, fixes third shaft body 12 and pivot 14 better, and the first ring gear 13 of better cooperation and the shape of second ring gear 15 make the torque transmission of pivot 14 give third shaft body 12, make the result of use of pump shaft better.

The working principle is as follows: when the pump is used, the bearing seats 11 are respectively arranged at two sides of the shaft sleeve 5, one side of the first shaft body 1 with the external threads 2 penetrates through the pump, the first shaft body 1 is connected with the impeller, the external threads 2 are positioned at the outer side of the pump, then an external tool is used for screwing the screw cap on the first shaft body 1, then the first gear ring 13 and the second gear ring 15 are aligned, the racks 19 on the upper fixing ring 16 and the lower fixing ring 17 are aligned with the first gear ring 13 and the second gear ring 15 from the upper side, the racks 19 are completely clamped with the first gear ring 13 and the second gear ring 15, then the third shaft body 12 and the rotating shaft 14 are fixed by the screw rod 20 and the nut 21, the other side of the rotating shaft 14 is connected with the motor, the rotating shaft 14 is driven by the motor to rotate the first shaft body 1, so that the torque is transmitted to the impeller, the second shaft body 3 is fixed with the first layer of the shaft sleeve 5, the first clamping strip 9 and the second clamping strip 10 are fixed with the second layer, the connection toughness who makes the pump shaft is better, through two bearing frames 11 that set up, reduces the frictional force that pivot 14 drove first axis body 1, makes first axis body 1 pivoted more laborsaving, prolongs the life of pump shaft, makes the result of use of pump shaft better.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a novel pump shaft, includes first axis body (1), its characterized in that: the outer side of the first shaft body (1) is provided with an external thread (2), one side of the first shaft body (1) far away from the external thread (2) is welded with a second shaft body (3), the outer side of the second shaft body (3) is uniformly fixed with a plurality of groups of clamping blocks (4), the outer side of each clamping block (4) is fixed with a shaft sleeve (5), the tops of two sides of each shaft sleeve (5) are sequentially provided with a first through hole (7) and a second through hole (8) from inside to outside, the inner walls of the first through hole (7) and the second through hole (8) are respectively fixed with a first clamping strip (9) and a second clamping strip (10), one side of the second shaft body (3) far away from the first shaft body (1) is welded with a third shaft body (12), the outer sides of the first shaft body (1) and the third shaft body (12) are respectively provided with a bearing seat (11), and the bearing seats (11) are respectively, one side welding that the second axle body (3) was kept away from in the outside of third axle body (12) has first ring gear (13), one side that third axle body (12) was kept away from in first ring gear (13) is provided with pivot (14), one side welding that the outside of pivot (14) is close to first ring gear (13) has second ring gear (15), the top of second ring gear (15) is provided with solid fixed ring (16), the top at solid fixed ring (16) both ends all evenly is provided with multiunit screw rod (20) on going up, the below of second ring gear (15) is provided with solid fixed ring (17) down.

2. The novel pump shaft of claim 1, wherein: the inner wall of the shaft sleeve (5) is fixedly provided with a clamping groove (6) matched with the clamping block (4), and the second shaft body (3) is fixedly connected with the shaft sleeve (5) through the mutual matching of the clamping block (4) and the clamping groove (6).

3. The novel pump shaft of claim 1, wherein: the bottoms of the two ends of the lower fixing ring (17) are uniformly provided with a plurality of groups of nuts (21) matched with the screw rods (20).

4. The novel pump shaft of claim 1, wherein: and racks (19) matched with the first toothed ring (13) and the second toothed ring (15) are fixed on the inner walls of the upper fixing ring (16) and the lower fixing ring (17).

5. The novel pump shaft of claim 1, wherein: the outer sides of the two ends of the upper fixing ring (16) and the lower fixing ring (17) are provided with a plurality of groups of third through holes (18) matched with the screw rods (20).

6. The novel pump shaft of claim 1, wherein: the upper fixing ring (16) and the lower fixing ring (17) are both arc-shaped structures.