CN219176815U - Overrunning coupler for screw pump motor device and screw pump motor device - Google Patents
Overrunning coupler for screw pump motor device and screw pump motor device Download PDFInfo
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- CN219176815U CN219176815U CN202320025188.XU CN202320025188U CN219176815U CN 219176815 U CN219176815 U CN 219176815U CN 202320025188 U CN202320025188 U CN 202320025188U CN 219176815 U CN219176815 U CN 219176815U
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Abstract
The embodiment of the utility model discloses an overrunning coupler for a screw pump motor device and the screw pump motor device, which relate to the field of transmission connection equipment. According to the embodiment of the utility model, the friction force between the first shaft sleeve and the second shaft sleeve is regulated according to the rotation direction of the motor, so that the screw pump is effectively prevented from being damaged due to the reverse rotation of the motor.
Description
Technical Field
The utility model relates to the field of transmission connection equipment, in particular to an overrunning coupler for a screw pump motor device.
Background
The screw pump consists of shaft, screw blade and casing, and is one pump for raising water body axially and spirally. When the water is pumped, the pump is obliquely placed in the water, so that the inclination angle of the main shaft of the water pump is smaller than that of the spiral blade, the lower end of the spiral blade is in contact with the water, and when the motor drives the spiral pump shaft to rotate, the water enters the blade to ascend along the spiral flow channel until flowing out.
Generally, a screw pump is of a rotary structure, so there is no hindrance to normal rotation and reverse rotation, but this does not mean that the screw pump can be used in reverse rotation. When the screw pump works, the screw pump must work according to the rotation direction, otherwise the pump outlet is changed into an inlet, the inlet is changed into an outlet, and the flow passage is changed. Most importantly, some structures within the pump cavity of the screw pump, such as the stop nut, are typically engaged with the screw in the direction of rotation, which can cause damage to the screw pump once reverse rotation occurs.
That is, in the case where the reverse rotation occurs to the motor output shaft, the screw pump at present is easily damaged.
Disclosure of Invention
The utility model aims to provide an overrunning coupler for a screw pump motor device, and aims to solve the problem that a screw pump is easy to damage when a motor rotates reversely.
In order to solve the technical problems, the aim of the utility model is realized by the following technical scheme: provided is an overrunning coupler for a screw pump motor device, comprising:
the first shaft sleeve is used for being fixedly connected with an output shaft of the motor;
the second sleeve is fixedly connected with an input shaft of the screw pump, and one end of the second sleeve is provided with a circular and coaxial matching groove;
connection structure, connection structure is located the cooperation inslot, and connection structure includes:
the connecting block is fixedly connected to one end, facing the second shaft sleeve, of the first shaft sleeve, the outer peripheral side of the connecting block is abutted against the inner peripheral side of the matching groove, and at least 2 connecting grooves are formed in the circumference of the connecting block;
the unidirectional damping assemblies are provided with a plurality of unidirectional damping assemblies, each unidirectional damping assembly is fixedly connected to the side wall of the corresponding connecting groove respectively and used for driving the first shaft sleeve and the second shaft sleeve to generate friction force when the first shaft sleeve rotates along the first rotation direction and driving the first shaft sleeve and the second shaft sleeve not to generate friction force when the first shaft sleeve rotates along the first rotation direction.
Through the technical scheme, when the first shaft sleeve rotates along the first rotation direction, under the action of the unidirectional damping assembly, friction force is generated between the first shaft sleeve and the second shaft sleeve, so that the second shaft sleeve can rotate along the first rotation direction at the same angular speed as the first shaft sleeve, and when the first shaft sleeve rotates along the second rotation direction, friction force is not generated between the first shaft sleeve and the second shaft sleeve, namely the second shaft sleeve does not rotate.
Further, the connecting groove comprises a first connecting wall and a second connecting wall, the first connecting wall and the second connecting wall are provided with preset included angles, the unidirectional damping component is connected with the second connecting wall and the inner side wall of the matching groove respectively, a third connecting wall is formed between every two adjacent connecting grooves and is abutted to the inner side wall of the matching groove, and the first connecting wall, the second connecting wall and the third connecting wall are sequentially connected.
Through the technical scheme, the third connecting wall is abutted against the inner side wall of the matching groove, so that the first shaft sleeve and the second shaft sleeve can coaxially rotate, and meanwhile, the friction force between the first shaft sleeve and the second shaft sleeve changes along with the abutting force of the unidirectional damping assembly against the second connecting wall and the inner side wall of the matching groove, so that the first shaft sleeve and the second shaft sleeve coaxially rotate or the first shaft sleeve cannot drive the second shaft sleeve to rotate.
Further, the unidirectional damping assembly includes:
one end of the elastic piece is fixedly connected to the first connecting wall;
the friction piece is fixedly connected to the other end of the elastic piece;
the elastic piece is used for driving the friction piece to be abutted against the second connecting wall and the inner side wall of the matching groove when the first shaft sleeve rotates along the first rotating direction, and is used for driving the friction piece not to be in contact with the second connecting wall and/or driving the friction piece not to be in contact with the inner side wall of the matching groove when the first shaft sleeve rotates along the second rotating direction.
Through the technical scheme, when the first shaft sleeve rotates along the first rotation direction, under the action of the inertia of the friction piece and the elastic force of the elastic piece, the friction piece is driven to be abutted against the second connecting wall and the inner side wall of the matching groove, so that the friction force is generated between the first shaft sleeve and the second shaft sleeve, the second shaft sleeve is enabled to synchronously rotate along with the first shaft sleeve, and when the first shaft sleeve rotates along the second rotation direction, the friction piece extrudes the elastic piece under the action of the inertia, at the moment, the friction piece is not contacted with the second connecting wall and/or is driven not to be contacted with the inner side wall of the matching groove, and further the friction force is not generated between the first shaft sleeve and the second shaft sleeve, so that the second shaft sleeve is enabled not to synchronously rotate along with the first shaft sleeve.
Further, the first connecting wall is provided with a mounting groove, the direction of the mounting groove extends along the length direction of the second connecting wall, the elastic piece comprises a spring, one end of the spring is fixedly arranged at the bottom of the mounting groove, and the other end of the spring is fixedly connected with the friction piece.
Through the technical scheme, the spring can generate continuous elastic force on the friction piece in the mounting groove and has good elastic deformation capability.
Further, the elastic piece further comprises a guide sleeve which is connected to the mounting groove in a sliding mode, the guide sleeve is sleeved at one end, far away from the mounting groove, of the spring, and the bottom surface of the guide sleeve is fixedly connected to the friction piece.
Through above-mentioned technical scheme, the spring drives the guide post and slides in the mounting groove, and the guide post plays the effect of direction to play the effect of protection to the spring, guarantee that the spring can not buckle.
The spring can generate continuous elastic force to the friction piece and keep constant in the direction, and the spring cannot bend.
Further, the elastic piece is provided with a plurality of at intervals.
Through the technical scheme, the arrangement of a plurality of elastic pieces can ensure that enough elastic force is output to the friction piece, and the service life of the spring can be prolonged.
Further, the friction member is a roller or a ball.
Through the technical scheme, the contact area between the friction piece and the matching groove is increased, so that larger friction force can be generated between the first shaft sleeve and the second shaft sleeve.
Further, the unidirectional damping assemblies are provided in 5 numbers.
Through above-mentioned technical scheme, can produce bigger frictional force between first axle sleeve and the second axle sleeve through 5 one-way damping subassembly.
The embodiment of the utility model also provides a screw pump motor device, wherein: the device comprises a screw pump, a motor and an overrunning coupler for the motor device of the screw pump, wherein an output shaft of the motor is fixedly connected with a first shaft sleeve, and an input shaft of the screw pump is fixedly connected with a second shaft sleeve.
Through the technical scheme, when the rotating shaft of the motor rotates along the first rotating direction, the screw pump motor device drives the screw pump to rotate along the first rotating direction at the same angular velocity through the overrunning coupler, and when the rotating shaft of the motor rotates along the second rotating direction, the screw pump does not rotate, so that damage to the screw pump caused by the fact that the motor is arranged on the contrary is effectively avoided.
Further, the first shaft sleeve and the connecting block are provided with a first shaft hole with a first clamping groove for the motor input shaft to pass through, the first shaft sleeve is provided with a first threaded hole communicated with the first clamping groove, and the first threaded hole is in threaded connection with a first screw for positioning the motor output shaft;
the second sleeve is provided with a second shaft hole with a second clamping groove for the output shaft of the screw pump to pass through, the second sleeve is provided with a second threaded hole communicated with the second clamping groove, and the second threaded hole is in threaded connection with a second screw for positioning the input shaft of the screw pump;
a bell jar surrounding an overrunning coupler for a screw pump motor device is arranged between the motor and the screw pump, and two ends of the bell jar are respectively and fixedly connected with the motor and the screw pump.
Through the technical scheme, the overrunning coupler for the screw pump motor device is connected with the motor and is connected with the screw pump more stably, and the overrunning coupler for the screw pump motor device has higher safety.
The application has the following technical effects:
1. when the first shaft sleeve rotates along the first rotation direction, under the action of the unidirectional damping component, friction force is generated between the first shaft sleeve and the second shaft sleeve, so that the second shaft sleeve can rotate along the first rotation direction at the same angular speed as the first shaft sleeve, when the first shaft sleeve rotates along the second rotation direction, friction force is not generated between the first shaft sleeve and the second shaft sleeve, namely, the second shaft sleeve does not rotate, and damage to the screw pump caused by reverse rotation of the motor is avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of an overrunning coupler for a screw pump motor device according to an embodiment of the present utility model;
fig. 2 is a cross-sectional view of an overrunning coupler for a screw pump motor apparatus according to an embodiment of the present utility model in a first view angle;
fig. 3 is a cross-sectional view of an overrunning coupler for a screw pump motor apparatus according to an embodiment of the present utility model in a second view angle;
fig. 4 is a schematic structural diagram of a screw pump motor device according to an embodiment of the present utility model.
The figure identifies the description:
1. a first sleeve; 11. a first shaft hole; 12. a first clamping groove; 13. a first threaded hole; 14. a first screw; 2. a second sleeve; 21. a second shaft hole; 22. a second clamping groove; 23. a second threaded hole; 24. a second screw; 3. a connection structure; 31. a connecting block; 32. a mating groove; 33. a connecting groove; 34. a mounting groove; 35. a first connecting wall; 36. a second connecting wall; 37. a third connecting wall; 4. a unidirectional damping assembly; 41. an elastic member; 411. a spring; 412. a guide sleeve; 42. a friction member; 5. a motor; 6. a screw pump; 7. a bell jar.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be understood that the terms "comprises" and "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.
Referring to fig. 1 to 3, an embodiment of the present utility model provides an overrunning coupler for a screw pump motor device, including:
the first shaft sleeve 1 is used for being fixedly connected with an output shaft of the motor 5;
the second sleeve 2 is used for being fixedly connected with an input shaft of the screw pump 6, and one end of the second sleeve 2 is provided with a circular and coaxial matching groove 32;
the connecting block 31, the connecting block 31 is fixedly connected to one end of the first shaft sleeve 1 facing the second shaft sleeve 2, the outer circumference side of the connecting block 31 is abutted against the inner circumference side of the matching groove 32, and at least 2 connecting grooves 33 are circumferentially arranged on the connecting block 31;
the unidirectional damping assemblies 4, the unidirectional damping assemblies 4 are provided with a plurality of unidirectional damping assemblies 4, each unidirectional damping assembly 4 is fixedly connected to the corresponding side wall of the connecting groove 33, and is used for driving the first shaft sleeve 1 and the second shaft sleeve 2 to generate friction when the first shaft sleeve 1 rotates along the first rotation direction, and driving the first shaft sleeve 1 and the second shaft sleeve 2 not to generate friction when the first shaft sleeve 1 rotates along the first rotation direction.
Referring to fig. 1 and 3, in this embodiment, the first shaft sleeve 1 is cylindrical in shape, the first shaft sleeve 1 and the connecting structure 3 may be fixedly connected by bonding, welding or bolting, the first shaft sleeve 1 and the connecting structure 3 are coaxially provided with a first shaft hole 11, a first clamping groove 12 extending along the length direction of the first shaft sleeve 1 is provided on a side wall of the first shaft hole 11, and a key on an output shaft of the motor 5 is connected with the first clamping groove 12 by a key connection manner, so that the motor 5 rotates to drive the first shaft sleeve 1 to rotate.
In this embodiment, the second sleeve 2 is cylindrical in shape, one end of the second sleeve 2 facing the first sleeve 1 is coaxially provided with a circular matching groove 32, the matching groove 32 is used for accommodating the connecting structure 3, a second shaft hole 21 is coaxially arranged in the second sleeve 2, a second clamping groove 22 extending along the length direction of the second sleeve 2 is arranged on the side wall of the second shaft hole 21, and a key on the input shaft of the screw pump 6 is connected with the second clamping groove 22 in a key connection manner, so that the second sleeve 2 rotates to drive the input shaft of the screw pump 6 to rotate.
In this embodiment, connecting block 31 accessible bonding or welding or the mode of pinning is towards the one end fixed connection of second axle sleeve 2 with first axle sleeve 1, and the periphery side of connecting block 31 is contradicted in the inner periphery side of mating groove 32, for the load that reduces unidirectional damping subassembly 4 received, prolongs unidirectional damping subassembly 4's life, and connecting block 31 circumference of this application is provided with 5 spread grooves 33, and unidirectional damping subassembly 4 corresponds and is provided with 5.
In this embodiment, 5 unidirectional damping assemblies 4 are installed in the connecting groove 33, when the motor 5 drives the first shaft sleeve 1 to rotate along the first rotation direction, the unidirectional damping assemblies 4 drive the first shaft sleeve 1 and the second shaft sleeve 2 to generate friction force, when the friction force exceeds a threshold value, the first shaft sleeve 1 drives the second shaft sleeve 2 to rotate along the first rotation direction at the same angular velocity, the second shaft sleeve 2 drives the input shaft of the screw pump 6 to rotate along the first rotation direction, and the screw pump 6 works normally; when the first shaft sleeve 1 rotates along the second rotation direction, the unidirectional damping assembly 4 cannot drive the first shaft sleeve 1 and the second shaft sleeve 2 to generate friction force, the second shaft sleeve 2 cannot rotate along with the first shaft sleeve 1, the input shaft of the screw pump 6 keeps relatively static along with the second shaft sleeve 2, and the screw pump 6 stops working. That is, the unidirectional damping assembly 4 can only drive the screw pump 6 to rotate along one rotation direction, so that damage to the screw pump 6 caused by reverse rotation of the motor 5 is effectively avoided.
Referring to fig. 1 and 2, in an embodiment, the connecting groove 33 is provided with a first connecting wall 35 and a second connecting wall 36, the first connecting wall 35 and the second connecting wall 36 are preset at an included angle, the unidirectional damping assembly 4 is respectively connected with the second connecting wall 36 and the inner side wall of the matching groove 32, a third connecting wall 37 is formed between adjacent connecting grooves 33, the third connecting wall 37 is abutted against the inner side wall of the matching groove 32, and the first connecting wall 35, the second connecting wall 36 and the third connecting wall 37 are sequentially connected.
In this embodiment, the first connecting wall 35, the second connecting wall 36 and the inner side wall of the mating groove 32 enclose a receiving cavity for mounting the unidirectional damping assembly 4. The first connecting wall 35 and the second connecting wall 36 have a preset included angle, for example, 90 degrees, and a suitable angle can facilitate the installation of the unidirectional damping assembly 4, and make the structure more compact. The third connecting wall 37 abuts against the inner side wall of the fitting groove 32, but does not generate friction with the inner side wall of the fitting groove 32.
Referring to fig. 1 and 2, in one embodiment, the unidirectional damping assembly 4 includes:
an elastic member 41, one end of the elastic member 41 is fixedly connected to the first connection wall 35;
a friction member 42, the friction member 42 being fixedly connected to the other end of the elastic member 41;
the elastic member 41 is configured to urge the friction member 42 to abut against the second connecting wall 36 and the inner sidewall of the mating groove 32 when the first shaft sleeve 1 rotates in the first rotation direction, and is configured to urge the friction member 42 not to contact the second connecting wall 36 and/or urge the friction member 42 not to contact the inner sidewall of the mating groove 32 when the first shaft sleeve 1 rotates in the second rotation direction.
In this embodiment, the friction member 42 has a larger friction force, which is abutted against the inner side walls of the second connecting wall 36 and the matching groove 32 by the elastic force of the elastic member 41, when the first shaft sleeve 1 rotates along the first rotation direction, the elastic member 41 drives the friction member 42 to abut against the inner side walls of the second connecting wall 36 and the matching groove 32, so that the first shaft sleeve 1 and the second shaft sleeve 2 generate friction force, i.e. the first shaft sleeve 1 and the second shaft sleeve 2 can be relatively fixed, and when the first shaft sleeve 1 rotates along the second rotation direction, the elastic member 41 drives the friction member 42 not to abut against the inner side walls of the second connecting wall 36 and the matching groove 32, so that the first shaft sleeve 1 and the second shaft sleeve 2 do not generate friction force, i.e. the first shaft sleeve 1 and the second shaft sleeve 2 relatively rotate, in other words, the first shaft sleeve 1 continues to rotate under the driving of the output shaft of the motor 5, and the second shaft sleeve 2 remains stationary.
Referring to fig. 1 and 2, in an embodiment, the first connecting wall 35 is provided with a mounting groove 34, the direction of the mounting groove 34 extends along the length direction of the second connecting wall 36, the elastic member 41 includes a spring 411, one end of the spring 411 is fixedly disposed at the bottom of the mounting groove 34, and the other end is fixedly connected to the friction member 42.
In this embodiment, the spring 411 has a better elastic deformation capability, and the spring 411 keeps pushing force on the friction member 42, so that the friction member 42 always abuts against the second connecting wall 36 and the inner side wall of the matching groove 32 when the motor 5 stops rotating, and the first time drives the second sleeve 2 to rotate when the output shaft of the motor 5 rotates along the first rotation direction.
Referring to fig. 1 and fig. 2, in an embodiment, the elastic member 41 further includes a guide sleeve 412, the guide sleeve 412 is slidably connected to the mounting groove 34, and is sleeved on an end of the spring 411 away from the mounting groove 34, and a bottom surface of the guide sleeve 412 is fixedly connected to the friction member 42.
In this embodiment, the guiding post is cylindrical, and the guiding sleeve 412 plays a guiding role in the elastic deformation direction of the spring 411, so as to reduce the twisting phenomenon of the spring 411.
In one embodiment, the elastic members 41 are disposed at intervals.
In this embodiment, a plurality of elastic members 41, for example, 2, are provided at intervals, corresponding to each other, and the mounting grooves 34 and the guide posts are also provided 2, so that other numbers of elastic members 41 can be provided according to actual needs during manufacturing, so long as the continuous and sufficient pushing force on the friction members 42 can be maintained, and therefore, the present application will not be described.
In one embodiment, friction member 42 is a roller or ball.
In this embodiment, the friction member 42 is a roller to increase the contact area between the friction member 42 and the second connecting wall 36 and the inner side wall of the mating groove 32.
Referring to fig. 4, the present application further provides a screw pump motor device, including the above overrunning coupler for a screw pump motor device, a motor 5 and a screw pump 6, wherein an output shaft of the motor 5 is fixedly connected to the first shaft sleeve 1, and an input shaft of the screw pump 6 is fixedly connected to the second shaft sleeve 2;
in the embodiment, the first shaft sleeve 1 is provided with a first threaded hole 13 communicated with the first clamping groove 12, and the first threaded hole 13 is in threaded connection with a first screw 14 for positioning an output shaft of the motor 5; the second sleeve 2 is provided with a second threaded hole 23 communicated with the second clamping groove 22, and the second threaded hole 23 is in threaded connection with a second screw 24 for positioning the input shaft of the screw pump 6;
referring to fig. 4, in one embodiment, a bell jar 7 is disposed between the motor 5 and the screw pump 6 to enclose an overrunning coupler for the screw pump motor device, and two ends of the bell jar 7 are fixedly connected to the motor 5 and the screw pump 6, respectively.
In this embodiment, the bell jar 7 is provided with openings at two ends, and is fixedly connected with the opposite ends of the motor 5 and the screw pump 6 in a fastening manner, so as to play roles in retaining water and dust, i.e. protecting the overrunning coupler for the motor device of the screw pump.
It will be clear to those skilled in the art that, for convenience and brevity of description, the specific structure of the above-described screw pump 6 motor 5 device may refer to the corresponding process in the above-described overrunning coupler embodiment for the screw pump 6 motor 5 device, and will not be described herein.
The present utility model is not limited to the above embodiments, and various equivalent modifications and substitutions can be easily made by those skilled in the art within the technical scope of the present utility model, and these modifications and substitutions are intended to be included in the scope of the present utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.
Claims (10)
1. An overrunning coupler for a screw pump motor apparatus, comprising:
the first shaft sleeve (1) is used for being fixedly connected with an output shaft of the motor (5);
the second sleeve (2) is used for being fixedly connected with an input shaft of the screw pump (6), and one end of the second sleeve (2) is provided with a circular and coaxial matching groove (32);
-a connection structure (3), the connection structure (3) being located in the mating groove (32), the connection structure (3) comprising:
the connecting block (31), the connecting block (31) is fixedly connected to one end of the first shaft sleeve (1) facing the second shaft sleeve (2), the outer circumference side of the connecting block (31) is abutted against the inner circumference side of the matching groove (32), and at least 2 connecting grooves (33) are circumferentially arranged on the connecting block (31);
the unidirectional damping assemblies (4), the unidirectional damping assemblies (4) are provided with a plurality of, each unidirectional damping assembly (4) is fixedly connected to the corresponding side wall of the connecting groove (33) respectively, and is used for driving the first shaft sleeve (1) and the second shaft sleeve (2) to generate friction force when the first shaft sleeve (1) rotates along a first rotation direction and driving the first shaft sleeve (1) and the second shaft sleeve (2) not to generate friction force when the first shaft sleeve (1) rotates along a second rotation direction;
wherein the first and second rotational directions are opposite.
2. The overrunning coupler for a screw pump motor device according to claim 1, wherein the connecting groove (33) comprises a first connecting wall (35) and a second connecting wall (36), the first connecting wall (35) and the second connecting wall (36) have a preset included angle, the unidirectional damping component (4) is respectively connected with the second connecting wall (36) and the inner side wall of the matching groove (32), a third connecting wall (37) is formed between adjacent connecting grooves (33), the third connecting wall (37) is abutted against the inner side wall of the matching groove (32), and the first connecting wall (35), the second connecting wall (36) and the third connecting wall (37) are sequentially connected.
3. The overrunning coupler for a screw pump motor apparatus according to claim 2, wherein the unidirectional damping assembly (4) comprises:
an elastic member (41), wherein one end of the elastic member (41) is fixedly connected to the first connecting wall (35);
a friction member (42), the friction member (42) being fixedly connected to the other end of the elastic member (41);
the elastic piece (41) is used for driving the friction piece (42) to be abutted against the second connecting wall (36) and the inner side wall of the matching groove (32) when the first shaft sleeve (1) rotates along the first rotation direction, and is used for driving the friction piece (42) not to be contacted with the second connecting wall (36) and/or driving the friction piece (42) not to be contacted with the inner side wall of the matching groove (32) when the first shaft sleeve (1) rotates along the second rotation direction.
4. A screw pump motor apparatus overrunning coupler according to claim 3, wherein: the first connecting wall (35) is provided with a mounting groove (34), the direction of the mounting groove (34) extends along the length direction of the second connecting wall (36), the elastic piece (41) comprises a spring (411), one end of the spring (411) is fixedly arranged at the bottom of the mounting groove (34), and the other end of the spring is fixedly connected with the friction piece (42).
5. The overrunning coupler for a screw pump motor as defined in claim 4, wherein: the elastic piece (41) further comprises a guide sleeve (412), the guide sleeve (412) is slidably connected to the mounting groove (34), the guide sleeve is sleeved at one end, far away from the mounting groove (34), of the spring (411), and the bottom surface of the guide sleeve (412) is fixedly connected to the friction piece (42).
6. A screw pump motor apparatus overrunning coupler according to claim 3, wherein: the elastic pieces (41) are arranged at intervals.
7. The overrunning coupler for a screw pump motor as defined in claim 4, wherein: the friction member (42) is a roller or a ball.
8. The overrunning coupler for a screw pump motor as defined in claim 1, wherein: the unidirectional damping assemblies (4) are provided with 5 unidirectional damping assemblies.
9. A screw pump motor device, characterized in that: the overrunning coupler for the screw pump motor device comprises a screw pump (6), a motor (5) and the overrunning coupler for the screw pump motor device according to any one of claims 1-8, wherein an output shaft of the motor (5) is fixedly connected with the first shaft sleeve (1), and an input shaft of the screw pump (6) is fixedly connected with the second shaft sleeve (2).
10. The screw pump motor apparatus of claim 9 wherein: the first shaft sleeve (1) and the connecting block (31) are provided with a first shaft hole (11) with a first clamping groove (12) for the input shaft of the motor (5) to penetrate, the first shaft sleeve (1) is provided with a first threaded hole (13) communicated with the first clamping groove (12), and the first threaded hole (13) is in threaded connection with a first screw (14) for positioning the output shaft of the motor (5);
the second sleeve (2) is provided with a second shaft hole (21) which is provided with a second clamping groove (22) and is used for the output shaft of the screw pump (6) to penetrate, the second sleeve (2) is provided with a second threaded hole (23) communicated with the second clamping groove (22), and the second threaded hole (23) is in threaded connection with a second screw (24) used for positioning the input shaft of the screw pump (6);
a bell jar (7) surrounding the overrunning coupler for the screw pump motor device is arranged between the motor (5) and the screw pump (6), and two ends of the bell jar (7) are respectively and fixedly connected with the motor (5) and the screw pump (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320025188.XU CN219176815U (en) | 2023-01-05 | 2023-01-05 | Overrunning coupler for screw pump motor device and screw pump motor device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320025188.XU CN219176815U (en) | 2023-01-05 | 2023-01-05 | Overrunning coupler for screw pump motor device and screw pump motor device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219176815U true CN219176815U (en) | 2023-06-13 |
Family
ID=86672823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320025188.XU Active CN219176815U (en) | 2023-01-05 | 2023-01-05 | Overrunning coupler for screw pump motor device and screw pump motor device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219176815U (en) |
-
2023
- 2023-01-05 CN CN202320025188.XU patent/CN219176815U/en active Active
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