CN215409820U - Circulating water pump shaft with novel coupling structure - Google Patents
Circulating water pump shaft with novel coupling structure Download PDFInfo
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- CN215409820U CN215409820U CN202121702784.4U CN202121702784U CN215409820U CN 215409820 U CN215409820 U CN 215409820U CN 202121702784 U CN202121702784 U CN 202121702784U CN 215409820 U CN215409820 U CN 215409820U
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- transmission shaft
- type coupler
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Abstract
The utility model discloses a circulating water pump shaft with a novel coupling structure, which comprises a first transmission shaft and a second transmission shaft, wherein the first transmission shaft is connected with the second transmission shaft; a flange-type coupler is arranged at the connection position of the first transmission shaft and the second transmission shaft, and comprises a first flange-type coupler and a second flange-type coupler; the first flange type coupler is sleeved at the end part of the first transmission shaft, and the second flange type coupler is sleeved at the end part of the second transmission shaft opposite to the first transmission shaft; and the two axial positioning rings of the coupler are respectively connected with the first flange type coupler and the second flange type coupler. According to the utility model, the flange type coupler is in clearance fit with the shaft, the size of the fitting surface is small, the coupler can be easily dismounted after the nut is loosened during maintenance, the requirements of users are well met, and the continuous, safe and stable operation of the pump on site is ensured.
Description
Technical Field
The utility model belongs to the technical field of water pumps, and particularly relates to a circulating water pump shaft with a novel coupling structure.
Background
Two shafts of the pump shaft formed by the existing circulating water pump are connected through a sleeve type coupler, as shown in fig. 1, the structure diagram of the pump shaft of the existing circulating water pump formed by connecting the sleeve type couplers is shown, and in the diagram: 1 is a sleeve type coupler, and 2 is a half-split snap ring; the sleeve type coupler is in clearance fit with the shafts, torque of the two shafts is transmitted by the aid of keys, axial positions of the two shafts are positioned by the aid of the half snap rings, the size of the matching surface of the sleeve type coupler and the shafts is large, the sleeve type coupler cannot be dismounted after the sleeve type coupler is corroded and rusted seriously after running for many years, the sleeve type coupler cannot be dismounted even by a method of heating the sleeve type coupler, and a final user only can perform destructive dismounting.
The matching surface of the sleeve type coupler and the shaft is large in size, so that the sleeve type coupler is seriously corroded in operation for many years, and is destructively removed in maintenance, so that the maintenance and repair amount of the pump shaft of the sleeve type coupler structure is greatly increased, and a large amount of maintenance labor and cost are consumed; the improvement of the structure of the pump shaft of the circulating water pump is particularly necessary under the condition, so that the pump shaft of the circulating water pump with a novel structure, which can solve the problems, is urgently needed to be developed.
Disclosure of Invention
Aiming at the problems, the utility model makes up the defects of the prior art and provides a circulating water pump shaft with a novel coupling structure; the pump shaft of the circulating water pump can be easily disassembled, the requirements of users are well met, and continuous, safe and stable operation of the pump on site is guaranteed.
In order to achieve the purpose, the utility model adopts the following technical scheme.
The utility model relates to a circulating water pump shaft with a novel coupling structure, which comprises a first transmission shaft and a second transmission shaft, wherein the first transmission shaft is connected with the second transmission shaft; the method is characterized in that: the connection part of the first transmission shaft and the second transmission shaft is provided with a flange type coupler, and the flange type coupler comprises a first flange type coupler and a second flange type coupler; the first flange type coupler is sleeved at the end part of the first transmission shaft, the second flange type coupler is sleeved at the end part of the second transmission shaft opposite to the first transmission shaft, and the first flange type coupler is fixedly connected with the second flange type coupler; and the two coupling axial positioning rings are fixedly connected with the first flange type coupling and the second flange type coupling respectively.
In a preferred embodiment of the present invention, a joint between the first flange-type coupling and the second flange-type coupling is fixed by bolts.
In another preferred embodiment of the present invention, the first flange type coupling and the first transmission shaft and the second flange type coupling and the second transmission shaft are connected by a key.
As another preferred scheme of the utility model, the axial positioning ring of the coupler adopts a nut, the two opposite ends of the first transmission shaft and the second transmission shaft are both provided with threads, and the nut is connected to the end part of the transmission shaft through thread matching; the nut is fixedly connected with the first flange type coupler and the second flange type coupler through screws.
The utility model has the beneficial effects.
According to the circulating water pump shaft with the novel coupling structure, the flange type coupling is in clearance fit with the shaft, the size of the fitting surface is small, the coupling can be easily disassembled after a nut for axially positioning the flange type coupling is loosened during maintenance, the requirements of users are well met, and continuous, safe and stable operation of the pump on site is guaranteed.
Drawings
In order to make the technical problems, technical solutions and advantageous effects solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and the detailed description. It should be understood that the detailed description and specific examples, while indicating the utility model, are intended for purposes of illustration only and are not intended to limit the scope of the utility model.
Fig. 1 is a schematic structural diagram of two shaft connections of a pump shaft of a conventional circulating water pump.
FIG. 2 is a schematic structural diagram of a circulating water pump shaft with a novel coupling structure according to the utility model.
The labels in the figure are: the coupling comprises a sleeve type coupling 1, a split snap ring 2, a first transmission shaft 3, a first flange type coupling 4, a key 5, a coupling axial positioning ring 6, a second flange type coupling 7, a second transmission shaft 8, a shaft end threaded connector 9 and a screw 10.
Detailed Description
Referring to the attached drawing 2, the circulating water pump shaft with the novel coupling structure comprises a first transmission shaft 3 and a second transmission shaft 8, wherein the first transmission shaft 3 is connected with the second transmission shaft 8; a flange-type coupler is arranged at the joint of the first transmission shaft 3 and the second transmission shaft 8, and comprises a first flange-type coupler 4 and a second flange-type coupler 7; the first flange type coupler 4 is sleeved at the end part of the first transmission shaft 3, the second flange type coupler 7 is sleeved at the end part of the second transmission shaft 8 opposite to the first transmission shaft 3, the first flange type coupler 4 is fixedly connected with the second flange type coupler 7, and the joint of the first flange type coupler 4 and the second flange type coupler 7 is fixed through bolts; the two opposite ends of the first transmission shaft 3 and the second transmission shaft 8 are respectively provided with a shaft coupling axial positioning ring 6, and the two shaft coupling axial positioning rings 6 are respectively fixedly connected with the first flange type shaft coupling 4 and the second flange type shaft coupling 7.
Specifically, the shaft coupling connected with the two transmission shafts forming the pump shaft is in a flange type, namely a flange type shaft coupling formed by a first flange type shaft coupling 4 and a second flange type shaft coupling 7; the relative tip of two transmission shafts is the screw thread type, through first flange form shaft coupling 4 of nut axial positioning, second flange form shaft coupling 7, through the moment of torsion of two transmission shafts of key 5 transmission, flange form shaft coupling and axle clearance fit, the fitting surface size is little, loosens behind the nut during maintenance, can reach very light demolish the shaft coupling, fine satisfying user's demand, the operation of guaranteeing the continuous safety and stability in pump scene.
The circulating water pump shaft with the novel coupling structure is obtained by improving the structure of the existing circulating water pump shaft, so that the use safety and stability can be ensured, the overhauling manpower and material resources are saved, and a large amount of maintenance cost is saved; the improved economic efficiency is considerable, and 20 ten thousand yuan of cost can be saved every year.
It should be understood that the detailed description of the present invention is only for illustrating the present invention and is not limited by the technical solutions described in the embodiments of the present invention, and those skilled in the art should understand that the present invention can be modified or substituted equally to achieve the same technical effects; as long as the use requirements are met, the method is within the protection scope of the utility model.
Claims (4)
1. A circulating water pump shaft with a novel coupling structure comprises a first transmission shaft (3) and a second transmission shaft (8), wherein the first transmission shaft (3) and the second transmission shaft (8) are connected; the method is characterized in that: a flange type coupler is arranged at the joint of the first transmission shaft (3) and the second transmission shaft (8), and comprises a first flange type coupler (4) and a second flange type coupler (7); the first flange type coupler (4) is sleeved at the end part of the first transmission shaft (3), the second flange type coupler (7) is sleeved at the end part of the second transmission shaft (8) opposite to the first transmission shaft (3), and the first flange type coupler (4) is fixedly connected with the second flange type coupler (7); and the two end parts of the first transmission shaft (3) opposite to the second transmission shaft (8) are respectively provided with a shaft coupling axial positioning ring (6), and the two shaft coupling axial positioning rings (6) are respectively fixedly connected with the first flange type shaft coupling (4) and the second flange type shaft coupling (7).
2. The circulating water pump shaft with the novel coupling structure as claimed in claim 1, wherein: the joint of the first flange type coupler (4) and the second flange type coupler (7) is fixed through bolts.
3. The circulating water pump shaft with the novel coupling structure as claimed in claim 1, wherein: the first flange type coupler (4) and the first transmission shaft (3) are connected through keys (5), and the second flange type coupler (7) and the second transmission shaft (8) are connected through keys (5).
4. The circulating water pump shaft with the novel coupling structure as claimed in claim 1, wherein: the axial positioning ring (6) of the coupler adopts a nut, threads are arranged on two opposite ends of the first transmission shaft (3) and the second transmission shaft (8), and the nut is connected to the end part of the transmission shaft in a threaded fit manner; the nut is fixedly connected with the first flange type coupler (4) and the second flange type coupler (7) through screws (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121702784.4U CN215409820U (en) | 2021-07-26 | 2021-07-26 | Circulating water pump shaft with novel coupling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121702784.4U CN215409820U (en) | 2021-07-26 | 2021-07-26 | Circulating water pump shaft with novel coupling structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215409820U true CN215409820U (en) | 2022-01-04 |
Family
ID=79652712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121702784.4U Active CN215409820U (en) | 2021-07-26 | 2021-07-26 | Circulating water pump shaft with novel coupling structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215409820U (en) |
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2021
- 2021-07-26 CN CN202121702784.4U patent/CN215409820U/en active Active
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