CN216241903U

CN216241903U - Coupling for pump

Info

Publication number: CN216241903U
Application number: CN202122607287.2U
Authority: CN
Inventors: 杨浩
Original assignee: Jiangsu Yuxin Pump Co ltd
Current assignee: Jiangsu Yuxin Pump Co ltd
Priority date: 2021-10-28
Filing date: 2021-10-28
Publication date: 2022-04-08
Anticipated expiration: 2031-10-28

Abstract

The utility model relates to the field of couplings, in particular to a coupling for a pump, which comprises an upper sealing cover, wherein the inner side of the upper sealing cover is connected with a fastening bolt in a sliding way, the tail end of the fastening bolt is spirally connected with a lower sealing cover, the left ends of the inner sides of the upper sealing cover and the lower sealing cover are provided with a driving shaft, the right end of the driving shaft is provided with a driven shaft, and a wear-resistant gasket is arranged between the driving shaft and the driven shaft, after the driving shaft, the driven shaft and the wear-resistant gasket between the driving shaft and the driven shaft are combined through the arranged upper sealing cover, the lower sealing cover, the fastening bolt and the like, the driving shaft, the driven shaft and the wear-resistant gasket are placed in the upper sealing cover and the lower sealing cover, then, take out fastening bolt and insert in the closing cap, and then twist through twisting fastening bolt for go up the closing cap and combine with lower closing cap, whole device assembly finishes, and this device ann tears open very simply, and the maintenance of being convenient for, and can carry out comprehensive protection to the component of shaft coupling.

Description

Coupling for pump

Technical Field

The utility model relates to the field of couplings, in particular to a coupling for a pump.

Background

The coupling is a device which connects two shafts or a shaft and a rotating part, rotates together in the process of transmitting motion and power and does not separate under normal conditions, sometimes used as a safety device to prevent the connected parts from bearing overlarge load and play a role in overload protection.

The installation of current shaft coupling for pump is complicated, is difficult to carry out quick maintenance, and can not carry out comprehensive protection to the shaft coupling, and meanwhile, current shaft coupling for pump when using, because driving shaft and driven shaft direct contact when the shaft coupling carries out high-speed motion, can produce very big frictional force, and the shaft coupling very easily takes place the damage.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

The utility model provides a coupling for a pump, aiming at the problems in the related art and aiming at overcoming the technical problems in the prior related art.

The technical scheme of the utility model is realized as follows:

the utility model provides a shaft coupling for pump, includes the upper cover, the inboard sliding connection of upper cover has fastening bolt, fastening bolt's terminal spiral connection has lower cover, the inboard left end of upper cover and lower cover is equipped with the driving shaft, the right-hand member of driving shaft is equipped with the driven shaft, be equipped with wear-resisting gasket between driving shaft and the driven shaft.

Furthermore, the diameter of the upper sealing cover is equal to that of the lower sealing cover, and the upper sealing cover and the lower sealing cover are both semi-annular.

Furthermore, the right end of the outer side of the driving shaft is fixedly connected with a first fixed block, and the left end of the outer side of the driven shaft is fixedly connected with a second fixed block.

Furthermore, the number of the first fixed block and the second fixed block is 3, and the first fixed block and the second fixed block are uniformly arranged in a circumferential mode.

Furthermore, the first fixed block and the second fixed block have the same size, and the first fixed block and the second fixed block have the same shape.

Furthermore, the inner side of the wear-resistant gasket is provided with a positioning screw, and the positioning screw is in threaded connection with the upper sealing cover.

Furthermore, the number of the positioning screws is 6, and the wear-resistant gasket is made of butadiene-acrylonitrile rubber.

The utility model provides a coupling for a pump, which has the following beneficial effects:

1. according to the utility model, the driving shaft, the driven shaft and the wear-resistant gasket between the driving shaft and the driven shaft are combined through the arranged upper sealing cover, the lower sealing cover, the fastening bolt and the like, then the driving shaft, the driven shaft and the wear-resistant gasket are placed in the upper sealing cover and the lower sealing cover, then the fastening bolt is taken out and inserted into the upper sealing cover, and the fastening bolt is further screwed to combine the upper sealing cover and the lower sealing cover;

2. according to the device, the wear-resistant gasket is taken out and placed on the outer side of the driving shaft through the arranged driving shaft, the driven shaft, the wear-resistant gasket and the like, the first fixing block is located between the wear-resistant gaskets, the positioning screw is taken out to position the wear-resistant gaskets, the driven shaft is taken out after the wear-resistant gaskets are installed, and the second fixing block on the driven shaft is located in the remaining blank spaces of the wear-resistant gaskets.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic view of an overall structure of a coupling for a pump according to an embodiment of the present invention;

fig. 2 is a schematic view illustrating a fastening bolt mounting structure of a coupling for a pump according to an embodiment of the present invention;

FIG. 3 is a schematic view of a wear pad mounting structure of a pump coupling according to an embodiment of the present invention;

fig. 4 is a schematic view illustrating a mounting structure of a first fixing block of a coupling for a pump according to an embodiment of the present invention;

fig. 5 is a schematic view of a mounting structure of a second fixing block of a coupling for a pump according to an embodiment of the present invention.

In the figure:

1-upper sealing cover, 2-fastening bolt, 3-lower sealing cover, 4-driving shaft, 5-driven shaft, 6-wear-resistant gasket, 7-positioning screw, 8-first fixing block and 9-second fixing block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model is further described with reference to the following drawings and detailed description:

the first embodiment is as follows:

referring to fig. 1 and 2, a shaft coupling for a pump according to an embodiment of the present invention includes an upper sealing cover 1, a fastening bolt 2 is slidably connected to an inner side of the upper sealing cover 1, a lower sealing cover 3 is spirally connected to a tail end of the fastening bolt 2, a driving shaft 4 is disposed at left ends of inner sides of the upper sealing cover 1 and the lower sealing cover 3, a driven shaft 5 is disposed at a right end of the driving shaft 4, a wear-resistant gasket 6 is disposed between the driving shaft 4 and the driven shaft 5, a diameter of the upper sealing cover 1 is equal to a diameter of the lower sealing cover 3, and the upper sealing cover 1 and the lower sealing cover 3 are both semi-annular.

After combining driving shaft 4, driven shaft 5 and wear-resisting gasket 6 between the two, place in last closing cap 1 and lower closing cap 3, then, take out during fastening bolt 2 inserts last closing cap 1, and then twist soon fastening bolt for go up closing cap 1 and lower closing cap 3 and combine, whole device assembly finishes, and this device ann tears open very simply, the maintenance of being convenient for.

Example two:

referring to fig. 1, 3, 4 and 5, a pump coupling according to an embodiment of the present invention includes an upper sealing cover 1, a fastening bolt 2 is slidably connected to an inner side of the upper sealing cover 1, a lower sealing cover 3 is spirally connected to a terminal of the fastening bolt 2, a driving shaft 4 is disposed at left ends of inner sides of the upper sealing cover 1 and the lower sealing cover 3, a driven shaft 5 is disposed at a right end of the driving shaft 4, and a wear-resistant gasket 6 is disposed between the driving shaft 4 and the driven shaft 5.

The outer right-hand member fixedly connected with of driving shaft 4 is first fixed block 8, the outer left end fixedly connected with of driven shaft 5 is second fixed block 9, first fixed block 8 is 3 with the equal number of second fixed block 9, first fixed block 8 all is the even setting of circumference with second fixed block 9, first fixed block 8 equals with the size of second fixed block 9, and first fixed block 8 is the same with the shape of second fixed block 9, wear-resisting gasket 6's inboard is equipped with set screw 7, set

screw

7 and 1 threaded connection of upper cover, set screw 7's number is 6 totally, wear-resisting gasket 6 is made by the butyl fine rubber.

Take out wear-resisting gasket 6 and place in the driving shaft 4 outside, and make first fixed block 8 be in between wear-resisting gasket 6, take out set screw 7 and fix a position wear-resisting gasket 6, after the installation of wear-resisting gasket 6 is accomplished, take out driven shaft 5, make second fixed block 9 on the driven shaft 5 be in the space of wear-resisting gasket 6 surplus, the in-process that this device used, can play good cushioning effect through wear-resisting gasket 6, it is more stable to be favorable to motor and water pump operation, set screw 7 through the setting can avoid wear-resisting gasket 6 to vibrate and then has reduced the friction, also reduce the irrelevant motion of shaft coupling in the motion process, and the operation efficiency is improved.

For the convenience of understanding the technical solutions of the present invention, the following detailed description will be made on the working principle or the operation mode of the present invention in the practical process.

In practical application, when the device is used, after the driving shaft 4, the driven shaft 5 and the wear-resistant gasket 6 between the driving shaft 4 and the driven shaft are combined, the device is placed in the upper sealing cover 1 and the lower sealing cover 3, then the fastening bolt 2 is taken out and inserted into the upper sealing cover 1, and then the fastening bolt is screwed to combine the upper sealing cover 1 with the lower sealing cover 3, the whole device is assembled, the device is quite simple to assemble and disassemble and convenient to maintain, the wear-resistant gasket 6 is taken out and placed on the outer side of the driving shaft 4, the first fixing block 8 is positioned between the wear-resistant gaskets 6, the positioning screw 7 is taken out to position the wear-resistant gasket 6, after the wear-resistant gasket 6 is installed, the driven shaft 5 is taken out, the second fixing block 9 on the driven shaft 5 is positioned in the residual space of the wear-resistant gasket 6, the device can play a good role in buffering role through the wear-resistant gasket 6 in the using process, and is beneficial to more stable operation of a motor and a water pump, the set screw 7 can prevent the wear-resistant gasket 6 from vibrating, so that friction is reduced, irrelevant movement of the coupler in the movement process is reduced, and the operation efficiency is improved.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A shaft coupling for pump, includes upper cover (1), its characterized in that: the inner side of the upper sealing cover (1) is connected with a fastening bolt (2) in a sliding mode, the tail end of the fastening bolt (2) is connected with the lower sealing cover (3) in a spiral mode, a driving shaft (4) is arranged at the left end of the inner side of the upper sealing cover (1) and the left end of the inner side of the lower sealing cover (3), a driven shaft (5) is arranged at the right end of the driving shaft (4), and a wear-resistant gasket (6) is arranged between the driving shaft (4) and the driven shaft (5).

2. A coupling for a pump according to claim 1, wherein: the diameter of the upper sealing cover (1) is equal to that of the lower sealing cover (3), and the upper sealing cover (1) and the lower sealing cover (3) are both semi-annular.

3. A coupling for a pump according to claim 1, wherein: the driving shaft is characterized in that a first fixing block (8) is fixedly connected to the right end of the outer side of the driving shaft (4), and a second fixing block (9) is fixedly connected to the left end of the outer side of the driven shaft (5).

4. A coupling for a pump according to claim 3, wherein: the number of the first fixing blocks (8) and the second fixing blocks (9) is 3, and the first fixing blocks (8) and the second fixing blocks (9) are uniformly arranged in a circumferential mode.

5. A coupling for a pump according to claim 3, wherein: the first fixing block (8) and the second fixing block (9) are equal in size, and the first fixing block (8) and the second fixing block (9) are identical in shape.

6. A coupling for a pump according to claim 1, wherein: the inner side of the wear-resistant gasket (6) is provided with a positioning screw (7), and the positioning screw (7) is in threaded connection with the upper sealing cover (1).

7. A coupling for a pump according to claim 6, wherein: the number of the positioning screws (7) is 6, and the wear-resistant gasket (6) is made of butadiene-acrylonitrile rubber.