CN218944163U - Hand shaking device - Google Patents

Abstract

A hand shaking device comprises a pump seat and a hand shaking device; the pump seat is internally provided with a containing cavity penetrating through the top and the bottom of the pump seat; the hand shaking device is connected with the bottom of the pump seat; a rotary table is arranged in the accommodating cavity, and a pump shell accommodating groove is formed in the center of the top of the rotary table; the top of the turntable is provided with a plurality of driving magnet mounting grooves, the driving magnet mounting grooves are positioned at the outer side of the pump shell accommodating groove, and the driving magnet mounting grooves are arranged at equal intervals around the pump shell accommodating groove; the driving magnet is arranged in the driving magnet mounting groove; the turntable is connected with the hand-shaking device through a transmission shaft; the hand shaking device drives the turntable to rotate through the transmission shaft. The hand-operated device can also drive the pump head to work under the condition of power failure.

Description

Hand shaking device

Technical Field

The utility model relates to the field of magnetic suspension centrifugal pumps, in particular to a hand-operated device pump.

Background

The existing magnetic suspension centrifugal pump comprises a pump head and a driving device, wherein the pump head comprises a pump shell and a rotor assembly arranged in the pump shell; the top of the pump shell is connected with a liquid inlet pipe, the side surface of the pump shell is connected with a liquid outlet pipe, and the liquid inlet pipe and the liquid outlet pipe are communicated with the inside of the pump shell; a plurality of rotor magnets are arranged in the rotor assembly, and the rotor magnets are arranged at equal intervals around the center of the rotor assembly; the rotor magnets are near the edges of the rotor assembly; the driving device is arranged outside the pump shell and comprises a plurality of electromagnetic coils which are arranged at equal intervals around the pump shell; the electromagnetic coil is positioned outside the rotor magnet; when the electromagnetic pump works, the electromagnetic coil is electrified, a rotating magnetic field is formed at the outer side of the rotor magnet, and the rotating magnetic field can generate radial rotating suction force on the rotor magnet so as to pull the rotor assembly to rotate in the pump shell.

The magnetic suspension centrifugal pump is widely applied in the medical field and is often applied to heart operation; in any case, the centrifugal pump is ensured to work during the operation, however, the existing driving device has no way to work the whole centrifugal pump under the condition of power failure.

Disclosure of Invention

The utility model aims at: to the above-mentioned problem that exists, provide a hand device, this hand device also can drive the pump head work under the circumstances of outage.

The technical scheme adopted by the utility model is as follows:

a hand shaking device comprises a pump seat and a hand shaking device; the pump seat is internally provided with a containing cavity penetrating through the top and the bottom of the pump seat; the hand shaking device is connected with the bottom of the pump seat; a rotary table is arranged in the accommodating cavity, and a pump shell accommodating groove is formed in the center of the top of the rotary table; the top of the turntable is provided with a plurality of driving magnet mounting grooves, the driving magnet mounting grooves are positioned at the outer side of the pump shell accommodating groove, and the driving magnet mounting grooves are arranged at equal intervals around the pump shell accommodating groove; the driving magnet is arranged in the driving magnet mounting groove; the turntable is connected with the hand-shaking device through a transmission shaft; the hand shaking device drives the turntable to rotate through the transmission shaft.

Further, the hand shaking device comprises a gearbox and a handle, the bottom of the pump seat is connected with the gearbox, the gearbox comprises an input shaft and an output shaft, the output shaft is connected with the transmission shaft, and the input shaft is connected with the handle.

Further, a power generation device is arranged in the accommodating cavity and is used for converting kinetic energy of the transmission shaft into electric energy; the power generation device is connected with a current detection device, and the current detection device is positioned outside the pump seat.

Further, the accommodating cavity in the pump seat is a step hole and comprises a first hole, a second hole and a third hole which are sequentially arranged from top to bottom; the diameters of the first hole, the second hole and the third hole are sequentially reduced; the Kong Yiyong pump shell is arranged, the inner wall of the first hole is used for limiting the radial movement of the pump shell, and the step surface of the first hole is used for limiting the downward movement of the pump shell; the turntable is positioned in the second hole; the power generation device is positioned in the hole III.

Further, a driving annular iron core is arranged in the second hole, the outer wall of the driving annular iron core is in contact with the inner wall of the second hole, and the bottom of the driving annular iron core is in contact with the step surface of the second hole; the driving annular iron core is positioned on the outer side of the turntable, and the driving annular iron core is opposite to the driving magnet.

Further, a locking mechanism is arranged at the top of the pump seat.

Further, a pressure locking notch is formed in the top of the pump seat; the locking mechanism is arranged at the locking notch; the locking mechanism comprises a locking arm, a rotating shaft and a spring; the rotating shaft is arranged at the locking notch, a rotating shaft mounting hole is formed in the middle of the locking arm, and the rotating shaft is arranged in the rotating shaft mounting hole; the locking arm can rotate around the rotating shaft; the locking and pressing arm comprises a locking and pressing end and a pressing end; the spring is arranged outside the pump seat, one end of the spring is connected with the outside of the pump seat, the other end of the spring is connected with the pressing end, and the spring is used for pushing the pressing end to rotate around the rotating shaft so that the locking end rotates towards the inside of the pump seat;

further, an arc through groove is formed in the lock pressing end, a limiting shaft is arranged at the lock pressing notch, and the limiting shaft is located in the arc through groove.

Further, at least two locking notches are formed in the top of the pump seat; each locking notch is provided with a locking mechanism.

In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:

in the utility model, the driving magnets are all permanent magnets, and are arranged outside the rotor magnets, so that radial suction force can be generated on the rotor magnets; when the rotor assembly is required to rotate, the rotary table only needs to drive the driving magnet to rotate around the pump shell, and the rotating driving magnet can pull the rotor magnet, so that the rotor assembly rotates in the pump shell; because the turntable is connected with the hand-operated device through the transmission shaft, when the pump needs to work, the hand-operated device is manually driven to drive the turntable to rotate. Due to the existence of the hand-operated device, the pump can work under the condition of power failure.

Drawings

FIG. 1 is a cross-sectional view of a pump mount;

FIG. 2 is a perspective view of a pump mount;

FIG. 3 is a cross-sectional view of the pump head disposed on the pump base;

FIG. 4 is a cross-sectional view of a pump head;

FIG. 5 is a block diagram of the bottom of the pump housing in the housing receiving recess of the turntable;

FIG. 6 is a block diagram of the electrical device disposed within the base;

FIG. 7 is a top view of the pump mount;

fig. 8 is a perspective view of the pump head disposed on the pump base.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

In addition, the embodiments of the present utility model and the features of the embodiments may be combined with each other without collision.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, or are directions or positional relationships conventionally understood by those skilled in the art, are merely for convenience of describing the present utility model and for simplifying the description, and are not to indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1-8, the utility model discloses a hand shaking device, which comprises a pump seat 1 and a hand shaking device; the pump seat 1 is internally provided with a containing cavity penetrating through the top and the bottom of the pump seat 1; the hand shaking device is connected with the bottom of the pump seat 1; a rotary table 101 is arranged in the accommodating cavity, and a pump shell accommodating groove 1011 is formed in the center of the top of the rotary table 101; a plurality of driving magnet 102 mounting grooves are formed in the top of the turntable 101, the driving magnet 102 mounting grooves are located on the outer side of the pump shell accommodating groove 1011, and the driving magnet 102 mounting grooves are arranged at equal intervals around the pump shell accommodating groove 1011; the driving magnet 102 is arranged in the driving magnet 102 mounting groove; the turntable 101 is connected with a hand-operated device through a transmission shaft 105; the hand shaking device drives the turntable 101 to rotate through the transmission shaft 105.

As shown in fig. 1 to 5, a pump head 2 is disposed at the top of a pump seat 1, and the pump head 2 includes a pump casing 204 and a rotor assembly 202 disposed in the pump casing 204; the top of the pump shell 204 is connected with a liquid inlet pipe 201, the side surface of the pump shell 204 is connected with a liquid outlet pipe 205, and the liquid inlet pipe 201 and the liquid outlet pipe 205 are communicated with the inside of the pump shell 204; a plurality of rotor magnets 203 are arranged in the rotor assembly 202, and the rotor magnets 203 are arranged at equal intervals around the center of the rotor assembly 202; the rotor magnets 203 are near the edges of the rotor assembly 202. In the utility model, the rotor magnet 203 and the driving magnet 102 are both permanent magnets, and the driving magnet 102 is arranged outside the rotor magnet 203, so that radial suction force can be generated on the rotor magnet 203; when the rotor assembly 202 needs to rotate, only the turntable 101 drives the driving magnet 102 to rotate around the pump shell 204, and the rotating driving magnet 102 can pull the rotor magnet 203, so that the rotor assembly 202 rotates in the pump shell 204; because carousel 101 links to each other with hand device through transmission shaft 105, when the pump needs work, manual drive hand device drives carousel 101 rotation can. Due to the existence of the hand-operated device, the pump can work under the condition of power failure.

In the conventional driving apparatus, when the electromagnetic coil is broken, the rotor assembly 202 loses the magnetic force, the rotor assembly 202 is eccentric in the pump housing 204, for example, when the pump housing 204 is inclined, the bottom of the rotor assembly 202 contacts the bottom of the pump housing 204, and the side edges of the rotor assembly 202 contact the inner side wall of the pump housing 204. If the centrifugal pump is started with the rotor assembly 202 eccentric, the rotor assembly 202 may collide or rub against the inner wall of the pump housing 204, and when the starting rotational speed of the rotor assembly 202 is too high, damage to the pump housing 204 and the rotor assembly 202 may be caused. In the present utility model, the driving magnet 102 is a permanent magnet, and no magnetic force is lost, when in use, the lower part of the pump shell 204 is arranged in the pump shell accommodating groove 1011, a rotation gap is left between the outer wall of the pump shell 204 and the inner wall of the pump shell accommodating groove 1011, the driving magnet 102 can generate magnetic force to the rotor assembly 202, thereby ensuring that the rotor assembly 202 is positioned at the center of the pump shell 204, and when the rotary table 101 rotates, the whole rotor assembly 202 can rotate stably, so that collision and friction between the rotor assembly 202 and the inside of the pump shell 204 are avoided.

The hand shaking device comprises a gearbox 301 and a handle 302, wherein the bottom of the pump seat 1 is connected with the gearbox 301, the gearbox 301 comprises an input shaft and an output shaft, the output shaft is connected with the transmission shaft 105, and the input shaft is connected with the handle 302.

Because of the gearbox 301, the rotational speed input by the handle 302 can be amplified and then transmitted to the transmission shaft 105, so that labor can be saved. In the present utility model, the gearbox 301 is of an existing structure, a gear set is disposed in the gearbox 301, and an input shaft is connected with an output shaft through the gear set, so that the rotation speed of the input shaft is transmitted to the output shaft after being increased through the gear set; the simplest gear set structure comprises a driving gear and a driven gear, wherein the diameter of the driving gear is larger than that of the driven gear; the driving gear is arranged on the input shaft, the driven gear is arranged on the output shaft, and the driving gear and the driven gear are meshed with each other. In practice, other arrangements of the gear sets, such as planetary gear sets, may be used.

Further, a power generation device is arranged in the accommodating cavity and is used for converting kinetic energy of the transmission shaft 105 into electric energy; the power generation device is connected with a current detection device, and the current detection device is positioned outside the pump seat 1.

Due to the presence of the power generation device and the current detection device, the rotational speed of the turntable 101 can be reflected by the magnitude of the current, and thus the operating rotational speed of the pump.

In the utility model, the power generation device can adopt the existing power generator, the volume of the power generator is made smaller, and then the power generator is arranged in the pump seat 1; the transmission shaft 105 is then connected to the input shaft of the generator by means of a gear or belt drive, and the current generated by the generator is then led out of the pump mount 1 by means of wires; the current detection device can be an ammeter which is connected in series on the lead.

Of course, the transmission shaft 105 may be used as a rotor of the generator to generate power. The specific implementation mode is as follows:

a power generation magnet 403 is arranged on the side wall of the transmission shaft 105, and the power generation magnet 403 is a permanent magnet; then a circle of stator windings 402 is arranged in the accommodating cavity, and the windings surround the transmission shaft 105 for one circle; the stator winding 402 is fixed on the inner wall of the pump seat 1; this constitutes a generator structure that generates electricity when the drive shaft 105 rotates.

In the utility model, as shown in fig. 6, a winding installation cylinder 401 is sleeved outside the transmission shaft 105, and the lower end of the winding installation cylinder 401 is fixedly connected with the inner wall of the pump seat 1 or fixedly connected with the top of the gearbox 301; a circle of stator windings 402 are arranged outside the winding mounting cylinder 401; a rotating ring 404 is sleeved outside the stator winding 402, a circle of power generation magnets 403 with alternately arranged N/S poles are arranged on the inner wall of the rotating ring 404, and the power generation magnets 403 are permanent magnets; the top of the rotating ring 404 is connected with the transmission shaft 105 through a connecting plate 405. When the drive shaft 105 rotates, the power generation magnet 403 rotates around the stator winding 402, and power generation is possible.

The accommodating cavity in the pump seat 1 is a step hole and comprises a first hole 108, a second hole 107 and a third hole 106 which are sequentially arranged from top to bottom; the diameters of the first hole 108, the second hole 107 and the third hole 106 are sequentially reduced; the first hole 108 is used for installing the pump shell 204, the inner wall of the first hole 108 is used for limiting the radial movement of the pump shell 204, and the step surface of the first hole 108 is used for limiting the downward movement of the pump shell 204; the turntable 101 is positioned in the second hole 107; the power generation device is located within aperture three 106.

As shown in fig. 3, the pump casing 204 is disposed in the first hole 108, and an edge of an upper portion of the pump casing 204 contacts an inner wall of the first hole 108, the inner wall of the first hole 108 being capable of restricting radial movement of the pump casing 204; the step surface of the first hole 108 is supported at the bottom of the edge of the pump shell 204, and the step surface of the first hole 108 can limit the downward movement of the pump shell 204; the lower portion of the pump housing 204 extends into the second bore 107 just within the housing receiving slot 1011.

A driving annular iron core 103 is arranged in the second hole 107, the outer wall of the driving annular iron core 103 is in contact with the inner wall of the second hole 107, and the bottom of the driving annular iron core 103 is in contact with the step surface of the second hole 107; the driving toroidal core 103 is located at the outer side of the turntable 101, and the driving toroidal core 103 is opposite to the driving magnet 102. The magnetic force of the driving magnet 102 can be increased due to the presence of the driving toroidal core 103.

The top of the pump seat 1 is provided with a locking mechanism 109. The locking mechanism 109 is used to lock the pump head 2 in the first hole 108. Due to the existence of the pressure locking mechanism 109, the pump casing 204 can be conveniently and quickly fixed on the pump seat 1.

As shown in fig. 2, 7 and 8, a pressure locking notch 1097 is formed in the top of the pump seat 1; the locking mechanism 109 is arranged at the locking notch 1097; the locking mechanism 109 comprises a locking arm 1093, a rotating shaft 1096 and a spring 1091; the rotating shaft 1096 is arranged at the locking notch 1097, a rotating shaft 1096 mounting hole is formed in the middle of the locking arm 1093, and the rotating shaft 1096 is mounted in the rotating shaft 1096 mounting hole; the pressure locking arm 1093 can rotate around the rotating shaft 1096; the locking arm 1093 includes a locking end 1094 and a pressing end 1092; the spring 1091 is arranged outside the pump seat 1, one end of the spring 1091 is connected with the outside of the pump seat 1, the other end of the spring 1091 is connected with the pressing end 1092, and the spring 1091 is used for pushing the pressing end 1092 to rotate around the rotating shaft 1096 so that the locking end rotates towards the inside of the pump seat 1, namely, rotates towards the inside of the hole 108; an arc through groove is formed in the locking end 1094, a limiting shaft 1095 is arranged at the locking notch 1097, and the limiting shaft 1095 is located in the arc through groove; the arc through groove is matched with the limiting shaft 1095 and used for limiting the rotation range of the locking end 1094.

In this embodiment, the arc through groove is an arc groove, the center of the arc groove coincides with the center of the installation hole of the rotating shaft 1096, and when the limiting shaft 1095 contacts with the outer end of the arc through groove, the inner side of the locking end 1094 is positioned at the inner side of the pump seat 1, the bottom of the locking end 1094 contacts with the top of the edge of the pump shell 204, and the pump shell 204 is locked in the hole one 108; when the limiting shaft 1095 contacts with the inner end of the arc-shaped through groove, the locking end 1094 is positioned in the locking notch 1097, and the locking end 1094 is not contacted with the pump shell 204, so that the unlocking of the pump shell 204 can be realized; in this embodiment, after the spring 1091 and the locking arm 1093 are installed, the spring 1091 is in a compressed state, the spring 1091 applies an elastic force to the locking arm 1093, so that the locking end 1094 is located at the inner side of the pump seat 1, and when unlocking is required, only the pressing end 1092 needs to be pressed by a hand, so that the spring 1091 is stressed, at this time, the locking arm 1093 rotates, so that the locking end 1094 rotates towards the outer side of the pump seat 1, and the locking end 1094 is separated from the pump shell 204, at this time, the pump shell 204 can be removed from the pump seat 1; when the pump shell 204 is taken out, the pressing end 1092 is not pressed, and the locking arm 1093 automatically resets under the action of the elasticity of the spring 1091, so that the locking end 1094 is positioned inside the pump seat 1; of course, when installing the pump casing 204, it is also necessary to press the pressing end 1092 so that the locking end 1094 is located in the locking notch 1097, thereby leaving room for installing the pump casing 204.

Because of the existence of the limiting shaft 1095, when the limiting shaft 1095 contacts with the outer end of the arc through groove, the locking arm 1093 cannot rotate, so that the spring 1091 can be always guaranteed to be in a compressed state, and locking reliability is guaranteed.

The rotating shaft 1096 and the limiting shaft 1095 are all threaded rods, and the rotating shaft 1096 and the limiting shaft 1095 are all arranged at the locking notch 1097 in a threaded connection mode. When the locking device is specifically used, the screwing depth of the screw rod can be adjusted, so that the position of the locking arm 1093 in the axial direction can be finely adjusted, and meanwhile, the nut of the screw rod can prevent the locking arm 1093 from being separated from the rotating shaft 1096 and the limiting shaft 1095.

At least two locking notches 1097 are formed in the top of the pump seat 1; a locking mechanism 109 is provided at each locking notch. In the present embodiment, two locking mechanisms 109 are preferable, and the two locking mechanisms 109 are symmetrically disposed.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (9)

1. A hand shaking device, characterized in that: the device comprises a pump seat (1) and a hand-operated device; the pump seat (1) is internally provided with a containing cavity penetrating through the top and the bottom of the pump seat (1); the hand shaking device is connected with the bottom of the pump seat (1); a rotary table (101) is arranged in the accommodating cavity, and a pump shell accommodating groove (1011) is formed in the center of the top of the rotary table (101); a plurality of driving magnet (102) mounting grooves are formed in the top of the turntable (101), the driving magnet (102) mounting grooves are located on the outer side of the pump shell accommodating groove (1011), and the driving magnet (102) mounting grooves are arranged at equal intervals around the pump shell accommodating groove (1011); the driving magnet (102) is arranged in the driving magnet (102) mounting groove; the turntable (101) is connected with the hand-operated device through a transmission shaft (105); the hand shaking device drives the rotary table (101) to rotate through the transmission shaft (105).

2. A hand shaking device according to claim 1, wherein: the hand shaking device comprises a gearbox (301) and a handle (302), wherein the bottom of the pump seat (1) is connected with the gearbox (301), the gearbox (301) comprises an input shaft and an output shaft, the output shaft is connected with the transmission shaft (105), and the input shaft is connected with the handle (302).

3. A hand shaking device according to claim 1, wherein: a power generation device is arranged in the accommodating cavity and is used for converting kinetic energy of the transmission shaft (105) into electric energy; the power generation device is connected with a current detection device, and the current detection device is positioned outside the pump seat (1).

4. A hand shaking device according to claim 3, wherein: the accommodating cavity in the pump seat (1) is a step hole and comprises a first hole (108), a second hole (107) and a third hole (106) which are sequentially arranged from top to bottom; the diameters of the first hole (108), the second hole (107) and the third hole (106) are sequentially reduced; the first hole (108) is used for installing the pump shell (204), the inner wall of the first hole (108) is used for limiting the radial movement of the pump shell (204), and the step surface of the first hole (108) is used for limiting the downward movement of the pump shell (204); the turntable (101) is positioned in the second hole (107); the power generation device is located within aperture three (106).

5. The hand shaking device of claim 4 wherein: a driving annular iron core (103) is arranged in the second hole (107), the outer wall of the driving annular iron core (103) is in contact with the inner wall of the second hole (107), and the bottom of the driving annular iron core (103) is in contact with the step surface of the second hole (107); the driving annular iron core (103) is located on the outer side of the turntable (101), and the driving annular iron core (103) is opposite to the driving magnet (102).

6. A hand shaking device according to claim 1, wherein: the top of the pump seat (1) is provided with a locking mechanism (109).

7. The hand shaking device of claim 6 wherein: a pressure locking notch (1097) is formed in the top of the pump seat (1); the locking mechanism (109) is arranged at the locking notch (1097); the locking mechanism (109) comprises a locking arm (1093), a rotating shaft (1096) and a spring (1091); the rotating shaft (1096) is arranged at the locking notch (1097), a rotating shaft (1096) mounting hole is formed in the middle of the locking arm (1093), and the rotating shaft (1096) is mounted in the rotating shaft (1096) mounting hole; the pressure locking arm (1093) can rotate around the rotating shaft (1096); the locking and pressing arm (1093) comprises a locking and pressing end (1094) and a pressing end (1092); the spring (1091) is arranged outside the pump seat (1), one end of the spring is connected with the outside of the pump seat (1), the other end of the spring is connected with the pressing end (1092), and the spring (1091) is used for pushing the pressing end (1092) to rotate around the rotating shaft (1096) so that the locking end rotates towards the inner side of the pump seat (1).

8. The hand shaking device of claim 7 wherein: an arc through groove is formed in the locking end (1094), a limiting shaft (1095) is arranged at the locking notch (1097), and the limiting shaft (1095) is located in the arc through groove.

9. The hand shaking device of claim 8 wherein: at least two locking notches (1097) are formed in the top of the pump seat (1); each locking notch is provided with a locking mechanism (109).

Images