CN220101514U - Rigid connection screw pump - Google Patents
Rigid connection screw pump Download PDFInfo
- Publication number
- CN220101514U CN220101514U CN202321149337.XU CN202321149337U CN220101514U CN 220101514 U CN220101514 U CN 220101514U CN 202321149337 U CN202321149337 U CN 202321149337U CN 220101514 U CN220101514 U CN 220101514U
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- China
- Prior art keywords
- connection
- screw pump
- shaft
- motor
- rigid connection
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- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 9
- 239000010935 stainless steel Substances 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000032683 aging Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000009975 flexible effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Rotary Pumps (AREA)
Abstract
The utility model provides a rigid connection screw pump, relates to the technical field of screw pumps, and solves the technical problems of short service life and high production cost of a connection device in the prior art. The rigid connection screw pump comprises a motor, a suction chamber, a stator, a rotor and a connecting shaft, wherein one end of the suction chamber is connected with the motor, the other end of the suction chamber is connected with the stator, the connecting shaft is arranged in the suction chamber and is of a straight rod-shaped structure, one end of the connecting shaft is connected with the other end of the output shaft of the motor, the other end of the output shaft of the motor is connected with the rotor, the rotor is arranged in the stator, and the connecting shaft is made of stainless steel. The utility model is used for the connecting shaft made of stainless steel, and the problems of short service life and high production cost caused by the adoption of the universal joint made of rubber are avoided through the rigid connection of the connecting shaft.
Description
Technical Field
The utility model relates to the technical field of screw pumps, in particular to a rigid connection screw pump.
Background
The screw pump is the medium conveyor that commonly uses, carries out the flexible coupling through universal joint and connecting axle between screw pump motor and the rotor of prior art at present, and the connecting axle both ends all are connected with motor and rotor respectively through the universal joint, and the universal joint is the rubber material, and the universal joint receives the easy ageing part life that leads to of alternating load short, and this kind of connecting device spare part is many moreover, and part cost and installation cost are all high, cause manufacturing cost high.
Disclosure of Invention
The utility model aims to provide a rigid connection screw pump, which solves the technical problems of short service life and high production cost of a connection device in the prior art. The preferred technical solutions of the technical solutions provided by the present utility model can produce a plurality of technical effects described below.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a rigid connection screw pump which comprises a motor, a suction chamber, a stator, a rotor and a connecting shaft, wherein one end of the suction chamber is connected with the motor, the other end of the suction chamber is connected with the stator, the connecting shaft is arranged in the suction chamber and is of a straight rod-shaped structure, one end of the connecting shaft is connected with the other end of the output shaft of the motor, the other end of the connecting shaft is connected with the rotor, the rotor is arranged in the stator, and the connecting shaft is made of stainless steel.
Preferably, the connecting shaft comprises a straight rod part, shaft shoulders and connecting ends, wherein the shaft shoulders are arranged at two ends of the straight rod part, and the connecting ends are arranged at one ends of the shaft shoulders away from the straight rod part.
Preferably, the connection part of the shaft shoulder part and the connecting shaft is a smooth cambered surface connection.
Preferably, at least one set of parallel outer wall surfaces are provided on the outer wall of the shoulder.
Preferably, the diameter of the straight rod part ranges from 6 mm to 10 mm.
Preferably, the length of the connecting shaft ranges from 400 mm to 500 mm.
Preferably, the connector further comprises a connecting part, and the connecting part is arranged on the connecting end.
Preferably, the connecting portion is an external thread provided on an outer wall of the connecting end.
The utility model adopts the technical proposal and has at least the following beneficial effects:
the connecting shaft one end is connected with the motor and the other end is connected with the rotor, and the connecting shaft is made of stainless steel, and the force transmission is realized through the connecting shaft with the straight rod-shaped structure, and the number of parts can be reduced by using a single part of the connecting shaft, so that the production cost of the universal joint made of rubber materials and the assembly cost caused by complex assembly are reduced, and the service life of the connecting shaft made of stainless steel is longer than that of the universal joint made of rubber materials.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the utility model as claimed.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic cross-sectional view of a rigid connection screw pump according to an embodiment of the present utility model;
FIG. 2 is a schematic view of a connecting shaft according to an embodiment of the present utility model;
FIG. 3 is a schematic view of a partial axial measurement structure of a connecting shaft according to an embodiment of the present utility model;
fig. 4 is a schematic structural diagram of a rigid connection screw pump according to an embodiment of the present utility model.
In the figure 1, a motor; 2. a suction chamber; 3. a stator; 4. a rotor; 5. a connecting shaft; 6. a straight rod part; 7. a shaft shoulder; 8. a connection end; 9. and a connecting part.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, based on the examples herein, which are within the scope of the utility model as defined by the claims, will be within the scope of the utility model as defined by the claims.
The embodiment of the utility model provides a rigid connection screw pump, which is combined with the accompanying figure 1 and mainly comprises the following components:
a motor 1 for outputting power;
the suction chamber 2 has a cylindrical structure, and the suction chamber 2 is provided with a suction hole for passing a medium;
the stator 3 is also of a cylindrical structure, and is internally provided with a spiral space with a rubber wall;
the rotor 4 is a screw rod of an eccentric screw body and is matched with the stator 3;
a connecting shaft 5 for connecting the motor 1 and the rotor 4.
The motor 1 is connected to one end of suction chamber 2, the stator 3 is connected to the other end, suction chamber 2 is mainly connected with the shell of motor 1, suction chamber 2 is also mainly connected with the shell of stator 3, connecting axle 5 is located suction chamber 2, and connecting axle 5 is straight bar-shaped structure, the one end of connecting axle 5 is connected with the output shaft of motor 1, the other end is connected with rotor 4, the rotation of motor 1 is transmitted to rotor 4 through connecting axle 5 and then can drive rotor 4 and rotate in stator 3, rotor 4 is located stator 3, the material of connecting axle 5 is the stainless steel, all lug connection between the output shaft of motor 1 and rotor 4 is for the rigid connection that does not set up other compliant members, so the structure does not need to use the universal joint of rubber material, and then can avoid the universal joint to receive the easy ageing problem that causes the part life-span short of alternating load, reduce the use of spare part simultaneously, reduce the cost of parts and the complex installation cost of multipart.
The connecting shaft 5 is a long straight rod-shaped body, and in combination with fig. 2, the connecting shaft 5 comprises a straight rod part 6, shaft shoulder parts 7 and connecting ends 8, the straight rod part 6 is a long straight rod-shaped body arranged in the middle, the shaft shoulder parts 7 are arranged at two ends of the straight rod part 6, the connecting ends 8 are arranged at one ends of the shaft shoulder parts 7 far away from the straight rod part 6, the shaft shoulder parts 7 and the connecting ends 8 are ensured to be coaxial, the connecting ends 8 are used for connecting an output shaft of the motor 1 and the rotor 4, the wall surface of the shaft shoulder parts 7 facing the connecting ends 8 is a positioning stress surface, and the shaft shoulder parts 7 play a role in positioning connection.
In one embodiment, the connection part between the shaft shoulder 7 and the connecting shaft 5 is a smooth arc surface, and at least one group of parallel outer wall surfaces are arranged on the outer wall of the shaft shoulder.
In order to ensure that the rotor 4 is in fit with the spiral line of the rubber of the stator 3 when rotating, the friction force between the rotor 4 and the rubber of the stator 3 is reduced, the connecting shaft 5 is a rod-shaped body made of stainless steel, and the connecting shaft 5 is rigidly connected with the motor 1 and the rotor 4, therefore, the connecting shaft 5 is of an slender shaft structure, and when one end of the connecting shaft 5 rotates when the motor 1 drives, the other end of the connecting shaft 5 generates radial bending deformation under the flexible action of the stainless steel long rod, thereby playing a soft transmission function. The diameter of the straight rod part 6 in the utility model ranges from 6 mm to 10 mm, the length of the connecting shaft 5 ranges from 400 mm to 500 mm, the diameter of the straight rod part 6 in the utility model is 5 mm, and the length of the connecting shaft 5 is 444 mm.
The connecting end 8 is further provided with a connecting part 9, which can be an external thread arranged on the outer wall of the connecting end 8, the motor shaft of the motor 1 and the rotor 4 are provided with screw holes matched with the external thread, and the connecting shaft 5 is connected with the motor shaft of the motor 1 and the rotor 4 through threads.
In the present disclosure, the terms "one embodiment," "some embodiments," "examples," "specific examples," "some examples," and the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.
Claims (8)
1. The utility model provides a rigid connection screw pump, its characterized in that includes motor, suction chamber, stator, rotor and connecting axle, the one end connection motor other end connection stator of suction chamber, the connecting axle sets up in the suction chamber, the connecting axle is straight rod-shaped structure, the one end of connecting axle with the output shaft connection other end of motor with the rotor is connected, the rotor sets up in the stator, the material of connecting axle is the stainless steel.
2. The rigid connection screw pump according to claim 1, wherein the connection shaft comprises a straight rod portion, shaft shoulders and connection ends, the shaft shoulders are arranged at two ends of the straight rod portion, and the connection ends are arranged at one end of the shaft shoulders away from the straight rod portion.
3. The rigid connection screw pump according to claim 2, wherein the junction of the shoulder portion and the connecting shaft is a smooth cambered surface connection.
4. The rigid connection screw pump of claim 2, wherein at least one set of parallel outer wall surfaces are provided on the outer wall of the shoulder.
5. The rigid connection screw pump according to any one of claims 2 to 4, wherein the diameter of the straight rod is in the range of 6 mm to 10 mm.
6. The rigid connection screw pump according to any one of claims 1 to 4, wherein the length of the connection shaft ranges from 400 mm to 500 mm.
7. The rigid connection screw pump according to any one of claims 2 to 4, further comprising a connection portion provided on the connection end.
8. The rigid connection screw pump of claim 7, wherein the connection is an external thread provided on an outer wall of the connection end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321149337.XU CN220101514U (en) | 2023-05-12 | 2023-05-12 | Rigid connection screw pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321149337.XU CN220101514U (en) | 2023-05-12 | 2023-05-12 | Rigid connection screw pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220101514U true CN220101514U (en) | 2023-11-28 |
Family
ID=88864738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321149337.XU Active CN220101514U (en) | 2023-05-12 | 2023-05-12 | Rigid connection screw pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220101514U (en) |
-
2023
- 2023-05-12 CN CN202321149337.XU patent/CN220101514U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |