CN212296905U

CN212296905U - Vane pump

Info

Publication number: CN212296905U
Application number: CN202020379151.3U
Authority: CN
Inventors: 戚俊文; 汪立平; 赵建江
Original assignee: Ningbo Jiayin Electrical And Mechanical Technology Co ltd
Current assignee: Ningbo Jiayin Electrical And Mechanical Technology Co ltd
Priority date: 2020-03-23
Filing date: 2020-03-23
Publication date: 2021-01-05
Anticipated expiration: 2030-03-23

Abstract

The utility model discloses a vane pump, including the motor fixing base, rigid coupling in the motor of motor fixing base and business turn over water outlet cover, and be used for controlling business turn over water rotor and the rotary driving piece of water outlet cover business turn over; blades are arranged on one side surface of the rotor facing the water inlet and outlet cover, and the rotor and the rotary driving piece are magnetic; the rotary driving part comprises a magnet fixing seat sleeved on the motor rotating shaft and a magnet which is arranged in the magnet fixing seat and is magnetically attracted with the rotor; the magnet fixing seat is provided with a magnet limiting part, and the magnet limiting part can limit the magnet to the magnet fixing seat. The utility model discloses can avoid the magnet fixed seat to drive magnet pivoted in-process, take place the situation that magnet ran out from in the magnet fixed seat for the resistance protection that receives when this impeller pump during operation magnet is followed the fixing base rotation is unchangeable, and then ensures this impeller pump during operation power take off's stability.

Description

Vane pump

Technical Field

The utility model belongs to the technical field of flow control is relevant, especially, relate to a vane pump.

Background

The vane pump rotates with the rotation of the rotor via the vanes on the rotor to suck liquid and press the liquid from the inlet side to the outlet side, so as to realize the control of the liquid flow rate during the operation of the vane pump.

The rotary motion of the rotor on the vane pump is usually driven by a magnet which is magnetically attracted to the rotor, the magnet is arranged in a magnet fixing seat, and the magnet fixing seat is in rotation-stopping connection with a rotating shaft of a motor on the vane pump. When the vane pump works, the motor can drive the magnet to rotate, and the magnetic attraction between the magnet and the rotor is utilized to drive the rotor to rotate. At present, magnet on the current impeller pump is located and is not had limit structure in the magnet fixing base, make the motor pass through the in-process that magnet fixing base drove the magnet rotation, magnet is easy to run out from the magnet fixing base under the effect with rotor magnetism actuation, and paste and lean on to the rotor positioning board, make magnet can receive the frictional resistance of rotor positioning board at rotatory in-process, thereby influence the output power of impeller pump during operation, can cause the unable rotor's of this impeller pump situation of rotating seriously even.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide a vane pump to solve the technical problems in the prior art.

The vane pump comprises a motor fixing seat, a motor, a water inlet and outlet cover, a rotor and a rotary driving piece, wherein the motor and the water inlet and outlet cover are fixedly connected to the motor fixing seat; a blade is arranged on one side surface of the rotor facing the water inlet and outlet cover, the rotor is magnetically attracted with the rotary driving piece, the motor can drive the rotor to rotate through the rotary driving piece, and the rotation of the rotor can drive the blade to control the water inlet and outlet of the water inlet and outlet cover; the rotary driving part comprises a magnet fixing seat sleeved on the motor rotating shaft and a magnet arranged in the magnet fixing seat and magnetically attracted with the rotor, wherein a magnet limiting part is arranged on the magnet fixing seat, and the magnet limiting part can limit the magnet to the magnet fixing seat.

As the utility model discloses an optimal scheme, the magnet locating part does the buckle that magnet fixing base opening border position was equipped with, the buckle orientation one side downward bending type of magnet sets up.

As the preferred scheme of the utility model, magnet with connect fixedly with the mode of close fit between the magnet fixing base.

As the preferred scheme of the utility model, rotary driving piece still includes the magnetic conduction board, the magnetic conduction board is located magnet deviates from one side of rotor.

As the utility model discloses an optimal scheme, the milling flutes has been seted up in the pivot of motor, the magnet fixing base is equipped with milling flutes cooperation portion, the pivot with pass through between the magnet fixing base the milling flutes with the cooperation is splines the connection between the milling flutes cooperation portion.

As the utility model discloses a preferred scheme, the motor fixing base with be equipped with the rotor locating plate between the business turn over water cover, the rotor with rotary driving spare is located the both sides of rotor locating plate.

As the utility model discloses a preferred scheme, the rotor locating plate orientation be equipped with the center pin on the side of rotor, the rotor cup joint in the center pin, and can wind the center pin motion.

As the utility model discloses an optimized scheme, be equipped with rotatory boss on the rotor, business turn over water cover is equipped with connects protruding muscle, business turn over water cover can pass through rotatory boss with connect supporting between the protruding muscle and bump, with the rotor is spacing in the rotor positioning board.

As the utility model discloses a preferred scheme, the rotor positioning plate with be equipped with the sealing washer between the position that business turn over water cover contacted.

As the utility model discloses a preferred scheme, motor fixing base detachably is connected with the fixed plate, the impeller pump can pass through the fixed plate is installed fixedly.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:

the utility model provides a vane pump utilizes the magnet locating part to be spacing in the magnet fixing base with magnet to this avoids the magnet fixing base to drive magnet pivoted in-process, takes place the situation that magnet ran out from in the magnet fixing base, makes the resistance protection that receives when this vane pump during operation magnet is followed the fixing base rotation unchangeable, and then ensures this vane pump during operation power take off's stability.

Drawings

Fig. 1 is an exploded view of a vane pump according to an embodiment of the present invention.

Fig. 2 is a sectional view of a vane pump according to an embodiment of the present invention.

10, a motor fixing seat; 11. a fixing plate; 20. a motor; 21. a rotating shaft; 30. a water inlet and outlet cover; 31. connecting the convex ribs; 40. a rotor; 41. a blade; 42. a magnetic member; 43. rotating the boss; 51. a magnet fixing seat; 52. a magnet; 53. a magnet limit piece; 54. a magnetic conductive plate; 60. a rotor positioning plate; 61. a central shaft; 62. a ring groove; 101. and (5) sealing rings.

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.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Referring to fig. 1 and 2, a vane pump according to an embodiment of the present invention includes a motor fixing base 10, a motor 20 fixed to the motor fixing base 10, a water inlet/outlet cover 30, a rotor 40 for controlling water inlet/outlet of the water inlet/outlet cover 30, and a rotary driving member.

Wherein, the end surface of one side of the rotor 40 facing the water inlet and outlet cover 30 is provided with a blade 41, the rotor 40 is magnetically attracted with the rotary driving member, the motor 20 can drive the rotor 40 to rotate through the rotary driving member, and the rotating rotor 40 can control the water inlet and outlet of the water inlet and outlet cover 30 by the blade 41. Specifically, the rotary driving member driven by the motor 20 to rotate can utilize magnetic attraction between the rotary driving member and the rotor 40, so that the rotary driving member can drive the rotor 40 to rotate while rotating, thereby achieving the purpose of rotationally driving the blades 41, and the rotating blades 41 can control water inlet/outlet of the water inlet/outlet cover 30.

In the present embodiment, the rotary driving member includes a magnet holder 51 sleeved on the rotating shaft 21, and a magnet 52 disposed in the magnet holder 51 and magnetically attracted to the rotor 40; the magnet fixing seat 51 is provided with a magnet limiting piece 53, the magnet limiting piece 53 can limit the magnet 52 on the magnet fixing seat 51, so that the magnet 52 is prevented from running out of the magnet fixing seat 51 in the process that the magnet fixing seat 51 is driven by the rotating shaft 21 to drive the magnet 52 to rotate. The magnetic member 42 is disposed inside the rotor 40 and attracted to the magnet 52, and the magnetic member 42 is disposed corresponding to the magnet 52. Preferably, the magnetic member 42 and the magnet 52 are configured in the same manner, that is, the rotor 40 and the rotary driving member of the present embodiment are rotationally driven by the attraction between the two same magnets.

Specifically, the magnet position-limiting member 53 of the present embodiment is a buckle disposed at an opening edge of the magnet fixing seat 51, and the buckle is bent downward toward the magnet 52 to limit the magnet 52 to the magnet fixing seat 51. Preferably, the buckle can abut against the magnet 52 in the magnet fixing seat 51, and limit the position of the magnet 52 in the magnet fixing seat 51 is realized. Of course, it should be noted that the number of the buckles on the magnet fixing seat 51 may be multiple, and the multiple buckles may be arranged on the opening edge of the magnet fixing seat 51 according to the use requirement, and preferably, the multiple buckles are symmetrically arranged relative to the magnet fixing seat 51; meanwhile, for those skilled in the art, the magnet limiting member 53 for limiting the magnet 52 to the magnet fixing seat 51 is not limited to a buckle, and the magnet limiting member 53 may be configured as a side cap detachably connected to the magnet fixing seat 51, or a blocking platform disposed on the inner wall of the magnet fixing seat 51, which will not be described herein.

It can be understood that magnet 52 and magnet fixing base 51 fixed connection for magnet fixing base 51 can drive magnet 52 to rotate when rotatory by the drive of motor 20 pivot 21, connects fixedly with the mode of close fit between magnet 52 and the magnet fixing base 51 of this embodiment, so that the assembly connection between magnet 52 and magnet fixing base 51. The magnet 52 and the magnet holder 51 are preferably assembled and connected in an interference fit manner. Of course, the fixing manner between the magnet 52 and the magnet holder 51 is not limited to the above, and specifically, a glue bonding manner may be adopted, or a concave-convex matching structure may be provided at a contact portion between the magnet 52 and the magnet holder 51 to realize the rotation-stopping connection between the magnet 52 and the magnet holder 51.

In the present embodiment, the magnet fixing base 51 is a plastic piece, so that the whole magnet fixing base 51 can be produced and prepared, and the material cost of the magnet fixing base 51 can be reduced; preferably, the magnet limiting member 53 and the magnet fixing seat 51 may be integrally injection-molded by a plastic material.

Further, the rotary driving element of the present embodiment further includes a magnetic conduction plate 54, and the magnetic conduction plate 54 is disposed on a side of the magnet 52 facing away from the rotor 40. That is, the magnetic conductive plate 54 is installed in the magnet fixing seat 51 and covered by the magnet 52, so as to enhance the magnetic force of the magnet 52, and further to enhance the acting force of the magnetic attraction between the rotary driving member and the rotor 40.

As can be seen from the above, the rotating shaft 21 of the motor 20 is used for driving the magnet fixing base 51 to rotate, for this reason, in the present embodiment, a milling groove (not shown) is formed on the rotating shaft 21 of the motor 20, the magnet fixing base 51 is provided with a milling groove matching portion (not shown), and the rotating shaft 21 and the magnet fixing base 51 are connected in a rotation-stopping manner through the matching between the milling groove and the milling groove matching portion, so as to prevent the sliding when the rotating shaft 21 of the motor 20 drives the magnet fixing base 51 to rotate.

In the vane pump of the present embodiment, a rotor positioning plate 60 is disposed between the motor fixing seat 10 and the water inlet/outlet cover 30, and the rotor 40 and the rotary driving member are disposed at two sides of the rotor positioning plate 60. That is, the rotor positioning plate 60 for the vane pump of the present embodiment partitions the rotor 40 from the rotary drive.

In the present embodiment, a central shaft 61 is provided on an end surface of the rotor positioning plate 60 facing the rotor 40, and the rotor 40 is fitted around the central shaft 61 and is capable of rotating relative to the rotor positioning plate 60 around the central shaft 61. That is, in the present embodiment, the central shaft 61 on the rotor positioning plate 60 is used to position the mounting position of the rotor 40 on the rotor positioning plate 60, so as to prevent the rotor 40 from deviating during the rotation process, so that the blades 41 always rotate at the same position, and further, the power output function during the operation of the vane pump is stabilized.

Furthermore, a rotating boss 43 is arranged on the circle center line of the rotor 40, a connecting convex rib 31 is arranged on the water inlet and outlet cover 30, the connecting convex rib 31 is positioned right above the rotating boss 43, and the water inlet and outlet cover 30 can limit the rotor 40 on the rotor positioning plate 60 through the abutting between the rotating boss 43 and the connecting convex rib 31, so that the rotor 40 is prevented from running out of a central shaft 61 on the rotor positioning plate 60 when rotating on the rotor positioning plate 60, and the blades of the rotor 40 are ensured to rotate on the same position all the time. It should be noted that the connection rib 31 is disposed on the water inlet and outlet cover 30 only occupies a part of the space of the water inlet and outlet cover 30 used as a liquid passage, which does not affect the normal water inlet/outlet of the water inlet and outlet cover 30.

In this embodiment, a sealing ring 101 is disposed between the contact portions of the rotor positioning plate 60 and the water inlet/outlet cover 30 to seal the rotor positioning plate 60 and the water inlet/outlet cover 30, thereby preventing liquid leakage during operation of the vane pump.

Specifically, the rotor positioning plate 60 has a ring groove 62 on the end surface abutting against the water inlet/outlet cover 30, and the sealing ring 101 is embedded in the ring groove 62 of the rotor positioning plate 60 and partially protrudes outward relative to the rotor positioning plate 60, so as to facilitate the assembly of the sealing ring 101 between the rotor positioning plate 60 and the water inlet/outlet cover 30. And when the rotor positioning plate 60 is assembled and sealed with the water inlet and outlet cover 30, the sealing ring 101 can be extruded and deformed by the water inlet and outlet cover 30, and the assembly and sealing between the water inlet and outlet cover 30 and the rotor positioning plate 60 are realized. It should be noted that the ring groove 62 for assembling the sealing ring 101 is not limited to the one shown in the drawings, and for those skilled in the art, the ring groove 62 may be disposed on the water inlet and outlet cover 30, or the sealing ring 101 may be directly disposed between the end surfaces of the rotor positioning plate 60 contacting the water inlet and outlet cover 30 without disposing the ring groove on the rotor positioning plate 60 or the water inlet and outlet cover 30.

As a preferred embodiment of the present invention, the motor fixing seat 10 of the present embodiment is detachably connected to a fixing plate 11, and the vane pump can be installed and fixed by the fixing plate 11, so as to install the vane pump conveniently.

To sum up, the utility model provides a vane pump utilizes the magnet locating part to be spacing in the magnet fixing base with magnet to this avoids the magnet fixing base to drive magnet pivoted in-process, takes place the situation that magnet ran out from in the magnet fixing base, makes this vane pump during operation magnet follow the resistance that the fixing base received when rotatory and keep unchangeable, and then ensures this vane pump during operation power take off's stability.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A vane pump comprises a motor fixing seat, a motor fixedly connected to the motor fixing seat, a water inlet and outlet cover, a rotor and a rotary driving piece, wherein the rotor and the rotary driving piece are used for controlling water inlet and outlet of the water inlet and outlet cover; a blade is arranged on one side surface of the rotor facing the water inlet and outlet cover, the rotor is magnetically attracted with the rotary driving piece, the motor can drive the rotor to rotate through the rotary driving piece, and the rotation of the rotor can drive the blade to control the water inlet and outlet of the water inlet and outlet cover; the rotary driving piece is characterized by comprising a magnet fixing seat and a magnet, wherein the magnet fixing seat is sleeved with the motor rotating shaft, the magnet is arranged in the magnet fixing seat and magnetically attracted with the rotor, a magnet limiting part is arranged on the magnet fixing seat, and the magnet limiting part can limit the magnet to the magnet fixing seat.

2. The vane pump of claim 1, wherein the magnet retainer is a snap that is bent downward toward a side of the magnet.

3. The vane pump of claim 1 wherein the magnet is connected to the magnet holder with a tight fit.

4. The vane pump of claim 1 wherein the rotary drive further comprises a magnetically permeable plate disposed on a side of the magnet facing away from the rotor.

5. The vane pump of claim 1, wherein the rotating shaft of the motor is provided with a milling groove, the magnet fixing seat is provided with a milling groove matching part, and the rotating shaft and the magnet fixing seat are connected in a rotation-stopping manner through the matching between the milling groove and the milling groove matching part.

6. The vane pump as claimed in claim 1, wherein a rotor positioning plate is disposed between the motor fixing seat and the water inlet and outlet cover, and the rotor and the rotary driving member are respectively disposed at two sides of the rotor positioning plate.

7. The vane pump as claimed in claim 6, wherein a central shaft is provided on a side of the rotor positioning plate facing the rotor, and the rotor is coupled to the central shaft and is movable around the central shaft.

8. The vane pump as claimed in claim 6, wherein the rotor is provided with a rotary boss, the water inlet and outlet cover is provided with a connecting rib, and the water inlet and outlet cover can be abutted against the connecting rib through the rotary boss to limit the rotor on the rotor positioning plate.

9. The vane pump as claimed in claim 6, wherein a sealing ring is provided between the rotor positioning plate and the water inlet and outlet cover.

10. The vane pump as claimed in claim 1, wherein the motor fixing seat is detachably connected with a fixing plate, and the vane pump can be installed and fixed through the fixing plate.