CN216252313U

CN216252313U - Split type coil skeleton and use its circulating pump

Info

Publication number: CN216252313U
Application number: CN202122928896.8U
Authority: CN
Inventors: 戚浩浩; 张海波; 王胜
Original assignee: Changzhou Leili Motor Science & Technology Co ltd
Current assignee: Changzhou Leili Motor Science & Technology Co ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-04-08
Anticipated expiration: 2031-11-26

Abstract

The utility model discloses a split type coil framework and a circulating pump using the same, wherein the split type coil framework comprises two frameworks which are axially arranged side by side, and the two frameworks are in dumbbell-shaped structures and comprise winding parts suitable for winding enameled wires and baffle plates which are positioned at the two axial ends of the winding parts and used for preventing the enameled wires from axially sliding out; the two frameworks are detachably connected, and the connecting part is positioned on the baffle at least at one end. The utility model separates the original integrated left and right frameworks into two independent frameworks which are connected in a detachable way, the structure is simple and practical, the used materials are reduced, and the cost of straight materials is reduced. And when the coil framework is damaged, only a single left framework or a single right framework can be replaced, so that the integral replacement of the coil framework is avoided, and the loss cost of parts is reduced.

Description

Split type coil skeleton and use its circulating pump

Technical Field

The utility model relates to the technical field of household appliances, in particular to a split type coil framework and a circulating pump using the same.

Background

At present, the framework structures of the stator coil winding parts of circulating pumps in household appliances such as washing machines, dish washing machines and the like are mostly integrated, namely, the left framework and the right framework matched with two arms of a U-shaped iron core are integrally connected together; then the rotor component is matched with the rotor component to form a whole machine structure. The skeleton volume and the weight of integral type increase, if skeleton part damages, then whole needs to be scrapped, can't change left skeleton or right skeleton alone, and straight material and loss cost are high.

SUMMERY OF THE UTILITY MODEL

The utility model provides a split type coil framework and a circulating pump using the same to solve the technical problems that a left framework and a right framework of the framework are integrally connected, the left framework or the right framework cannot be independently replaced, and the straight material and the loss cost are high in the prior art.

The utility model provides a split type coil framework, which comprises two frameworks which are axially arranged side by side, wherein the two frameworks are in dumbbell-shaped structures and comprise a winding part suitable for winding an enameled wire and baffle plates which are positioned at two axial ends of the winding part and used for preventing the enameled wire from axially sliding out; the two frameworks are detachably connected, and the connecting part is positioned on the baffle at least at one end.

Furthermore, two the side butt each other of connection, other end baffle can be dismantled to the one end baffle of skeleton.

Furthermore, the corresponding edges of the two detachably connected baffles are respectively provided with one or more groups of pin shafts and sleeves suitable for the pin shafts to be inserted, and at least one group of pin shafts and sleeves are circumferentially limited.

Furthermore, the cross section of the sleeve at one end is a closed circular ring surface, the circumferential side surfaces of the other sleeves are provided with axially extending long grooves, and the long grooves are positioned at two sides of the connecting part of the pin shaft and the baffle; the pin shaft is suitable for being inserted into the sleeve from one axial end of the sleeve, and the distance between the sleeves positioned on two sides of the pin shaft is larger than the length of the pin shaft.

Furthermore, the width of the notch of the long groove is smaller than the diameter of the pin shaft inserted into the sleeve in which the long groove is located.

Furthermore, when the pin shaft is matched with the sleeve with the long groove, the notch of the long groove is abutted against the connecting part of the pin shaft and the baffle.

Furthermore, one or more groups of first clamping grooves and first clamping blocks suitable for being inserted into the first clamping grooves are respectively arranged on the two detachably connected baffle plates.

Further, split type coil skeleton includes the joint piece, all is equipped with a plurality of second draw-in grooves on can dismantling two baffles of connection, the both sides of joint piece have and are suitable for the second fixture block of card income second draw-in groove.

Furthermore, the inner side wall of the first clamping groove is provided with an annular groove, and the first clamping block is provided with an annular protrusion matched with the annular groove.

Furthermore, the first clamping groove is located at the outer end of the baffle, and the thickness of the first clamping groove is smaller than that of the baffle.

The utility model also provides a circulating pump which comprises a rotor assembly, a stator assembly, a motor shell, a control panel and a cover cap, wherein the rotor assembly is positioned in the motor shell; the stator assembly comprises a stator core and the split type coil framework.

The utility model has the beneficial effects that:

the split coil framework and the circulating pump using the same have the advantages that the original integrated left framework and the original integrated right framework are separated into two independent frameworks and are connected in a detachable mode, the structure is simple and practical, the used materials are reduced, and the cost of straight materials is reduced. And when the coil framework is damaged, only a single left framework or a single right framework can be replaced, so that the integral replacement of the coil framework is avoided, and the loss cost of parts is reduced.

Drawings

The utility model is further illustrated with reference to the following figures and examples.

Fig. 1 is a corresponding exploded view of an embodiment of a split bobbin according to the present invention;

FIG. 2 is a side sectional view of the split bobbin of FIG. 1 as assembled;

FIG. 3 is an enlarged view at A in FIG. 2;

FIG. 4 is a sectional view taken along line B-B of FIG. 2;

fig. 5 is a corresponding exploded view of an embodiment of the split bobbin of the present invention;

FIG. 6 is a side sectional view of the split bobbin of FIG. 5 as assembled;

FIG. 7 is an enlarged view taken at a in FIG. 6;

fig. 8 is a three-dimensional exploded view of the split bobbin according to the present invention;

FIG. 9 is a cross-sectional view of the circulation pump of the present invention;

FIG. 10 is an exploded schematic view of the circulation pump of the present invention;

fig. 11 is an exploded view of the rotor assembly of the present invention.

In the figure, 1, a winding part, 2, an upper baffle, 3, a lower baffle, 4, a left framework, 5, a right framework, 6, a bent edge, 7, a pin shaft, 8, a sleeve, 801, a long groove, 9, a first clamping groove, 10, a first clamping block, 11, an annular groove, 12, an annular protrusion, 13, a clamping block, 1301, a second clamping block, 14, a second clamping groove, 15, a rotor assembly, 1501, a magnetic ring injection molding assembly, 1502, an upper bearing assembly, 1503, an upper pump body, 1504, a lower pump body, 1505, an impeller assembly, a self-tapping screw, 16, a stator assembly, 17, a motor shell, 18, a control panel, 19, a cover cap, 20 and a terminal shell,

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

A split type coil skeleton comprises two skeletons which are axially arranged side by side, wherein the two skeletons are dumbbell-shaped structures and comprise a winding part 1 suitable for winding an enameled wire and baffle plates which are positioned at two axial ends of the winding part 1 and used for preventing the enameled wire from axially sliding out; two the connection can be dismantled to the skeleton, and the connection position is located the baffle of at least one end, two promptly the skeleton can be that one end can be dismantled and connect, also can both ends all can be dismantled and connect. When only one end can be dismantled and connect, as preferred, two the side butt each other of the one end baffle of skeleton can be dismantled and connect, other end baffle.

Example one

The utility model provides a split type coil skeleton 1602, includes left skeleton 4 and the right skeleton 5 that the axial was arranged side by side, and left skeleton 4 and right skeleton 5 all have wire winding portion 1, overhead gage 2 and lower baffle 3 to constitute, and two overhead gages 2 can be dismantled and connect, and two lower baffle 3's edge offsets, as shown in fig. 1, two lower baffle 3's joint line is L shape structure, can avoid left skeleton 4 and right skeleton 5 to connect the back deformation that sideslips.

The specific connection structure of the two top baffles 2 is as follows: the corresponding edges of the two detachably connected baffles are respectively provided with one or more groups of pin shafts 7 and sleeves 8 suitable for the insertion of the pin shafts 7, and at least one group of pin shafts 7 and the sleeves 8 are circumferentially limited. The pin shaft 7 and the sleeve 8 are connected in a sleeved mode to achieve rotating connection of the two frameworks, meanwhile, the part of the pin shaft 7 and the sleeve 8 are circumferentially limited to achieve fixing of the two frameworks, and the other ends of the two frameworks are prevented from being separated. As shown in fig. 1, a sleeve 8 is arranged at the edge of the upper baffle 2 of the left framework 4, a pin 7 is arranged at the edge of the upper baffle 2 of the right framework 5, and one end or the circumferential surface of the pin 7 is partially fixed with the upper baffle 2 of the right framework 5.

In this embodiment, two sets of sleeves 8 and pins 7 are correspondingly arranged, the cross section of one of the sleeves 8 is a closed circular ring, the pins 7 are suitable for being inserted into the sleeves 8 from one axial end of the sleeve 8, and if the pins 7 are inserted from the front end of the sleeve 8, a space enough for accommodating the pins 7 needs to be left in front of the sleeve 8, so that the distance between two adjacent sleeves 8 is greater than the length of the pins 7 inserted into the sleeves 8 behind.

Two lower baffles 3 have with round pin axle 7 vertical arrangement and the limit 6 of bending of laminating each other, when the limit 6 of bending on left skeleton 4 was located the 6 the place ahead of the limit of bending on the right skeleton 5, can avoid round pin axle 7 roll-off sleeve 8 forward.

The circumferential side surface of the other sleeve 8 is provided with an axially extending long groove 801, the long groove 801 is located on two sides of a connection part of the pin 7 and the baffle, as shown in fig. 2-4, the pin 7 is connected with the baffle through the circumferential side surface, the connection part is located on the front half part of the pin 7, the matching part of the sleeve 8 at the front end and the pin 7 is located on the rear half part of the pin 7, the pin 7 and the sleeve 8 at the position do not have circumferential limitation and can rotate relatively, the matching part of the sleeve 8 at the rear end and the pin 7 is located on the front half part of the pin 7, and when the pin 7 at the position rotates, the connection part of the pin 7 and the baffle is blocked by the long groove 801, so that the relative rotation of the pin 7 and the sleeve 8 is inhibited.

In order to avoid the pin 7 from disengaging from the elongated slot 801 the sleeve 8 can be realized by the following two structures: the first is that the width of the notch of the long groove 801 is smaller than the diameter of the pin shaft 7 inserted into the sleeve 8 in which the long groove 801 is positioned; secondly, when the pin 7 is matched with the sleeve 8 provided with the long groove 801, the notch of the long groove 801 is abutted against the connecting part of the pin 7 and the baffle. Both structures may also be present simultaneously.

Example two

This embodiment adopts the mode of joint to realize the connection dismantled of two baffles, is equipped with a set of or multiunit first draw-in groove 9 and is suitable for inserting first fixture block 10 in the first draw-in groove 9 on two baffles of dismantling the connection respectively. The concrete structure is as follows:

as shown in fig. 5, four sets of first engaging grooves 9 and first engaging blocks 10 are correspondingly disposed, the first engaging grooves 9 are located on the left frame 4, and the first engaging blocks 10 are located on the right frame 5. The upper end surface of the first clamping block 10 is approximately circular, and after the first clamping groove 9 is clamped into the second clamping groove 14, the maximum diameter of the first clamping block 10 is located in the first clamping groove 9, so that the first clamping block 10 can be prevented from being separated from the first clamping groove 9 along the direction parallel to the upper end surface.

As shown in fig. 6 and 7, the inner side wall of the first locking groove 9 has an annular groove 11, and the first locking block 10 is provided with an annular protrusion 12 which is matched with the annular groove 11. The annular groove 11 is located in the middle of the first slot 9 in the thickness direction, so that the first clamping block 10 can be prevented from moving relative to the first slot 9 in the thickness direction. Preferably, the first clamping groove 9 is located at the outer end of the baffle, the thickness of the first clamping groove 9 is smaller than that of the baffle, when the baffle is installed, the first clamping block 10 is clamped into the first clamping groove 9 from the upper side, the lower surface of the first clamping block 10 is placed on the inner bottom surface of the first clamping groove 9, and the first clamping block 10 is supported.

EXAMPLE III

This embodiment also adopts the joint mode to realize the connection of dismantling of two baffles, and the difference with embodiment two lies in, this embodiment is provided with joint piece 13 in addition, all is equipped with a plurality of second draw-in grooves 14 on two baffles of dismantling the connection, and the both sides of joint piece 13 have and are suitable for the second fixture block 1301 of card income second draw-in groove 14. The second engaging groove 14 has the same structure as the first engaging groove 9, the second engaging block 1301 has the same structure as the first engaging block 10, and as shown in fig. 8, the second engaging groove 14 is symmetrically formed on the left frame 4 and the right frame 5.

A circulation pump, as shown in fig. 9 and 10, comprises a rotor assembly 15, a stator assembly 16, a motor casing 17, a control board 18 and a cover 19, wherein the rotor assembly 15 is located in the motor casing 17, the stator assembly 16 is fixedly connected with the control board 18, and the motor casing 17 and the cover 19 form a cavity for installing the stator assembly 16 and the control board 18.

The stator assembly 16 includes a stator core and the split bobbin described above. Coil assembly is formed after the enameled wire is wound on the coil skeleton, the stator core and the coil assembly are assembled to form a whole, the control panel 18 is welded with the inserting sheet on the coil skeleton and then fixed on the stator assembly 16, the stator assembly 16 is electrically connected with an external power supply through the terminal shell 20, and the stator assembly 16 can generate a transformed magnetic field after being electrified.

As shown in fig. 11, the rotor assembly 15 mainly comprises a magnetic ring injection molding assembly 1501, an upper bearing assembly 1502, an upper pump body 1503, a lower pump body 1504 and impeller assemblies 1505 located in the upper pump body 1503 and the lower pump body 1504, wherein the impeller assemblies 1505 are fixed on a rotating shaft of the magnetic ring injection molding assembly 1501 through self-tapping screws 1506. The rotor assembly 15 is used for generating rotary kinetic energy under the action of a conversion magnetic field to drive the impeller to rotate, so that the water discharging function of the circulating pump is realized.

The motor housing 17 is used for connecting and supporting the stator assembly 16, supporting the rotor assembly 15, and isolating and protecting the magnetic ring injection molding assembly 1501 of the rotor assembly 15.

After the terminal connecting wire is externally connected with working voltage, the coil assembly of the stator assembly 16 part generates a converted magnetic field after being electrified, and generates acting force with the magnetic ring injection molding assembly 1501 of the rotor assembly 15, so that the rotor assembly 15 generates rotating kinetic energy to drive the impeller to rotate, and the operation of the circulating pump is realized.

In the description of the present invention, it is to be understood that the terms "center", "thickness", "upper", "lower", "front", "rear", "left", "right", "inner", "outer", "axial", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

In this specification, the schematic representations of the terms are not necessarily referring to the same embodiment. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations can be made by the worker in the light of the above teachings without departing from the spirit of the utility model. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. A split type coil skeleton which characterized in that: the device comprises two frameworks which are axially arranged side by side, wherein the two frameworks are in dumbbell-shaped structures and comprise winding parts (1) suitable for winding enameled wires and baffle plates which are positioned at two axial ends of the winding parts (1) and used for preventing the enameled wires from axially sliding out;

the two frameworks are detachably connected, and the connecting part is positioned on the baffle at least at one end.

2. The split bobbin of claim 1, wherein: two the side butt each other of connection, other end baffle can be dismantled to the one end baffle of skeleton.

3. The split bobbin of claim 2, wherein: the corresponding edges of the two detachably connected baffles are respectively provided with one or more groups of pin shafts (7) and sleeves (8) suitable for the pin shafts (7) to be inserted, and at least one group of pin shafts (7) and sleeves (8) are circumferentially limited.

4. The split bobbin of claim 3, wherein: the cross section of the sleeve (8) positioned at one end is a closed circular ring surface, the circumferential side surfaces of the other sleeves (8) are provided with axially extending long grooves (801), and the long grooves (801) are positioned at two sides of the connecting part of the pin shaft (7) and the baffle;

the pin shaft (7) is suitable for being inserted into the sleeve (8) from one axial end of the sleeve (8), and the distance between the sleeves (8) positioned on two sides of the pin shaft (7) is larger than the length of the pin shaft (7).

5. The split bobbin of claim 4, wherein: the width of the notch of the long groove (801) is smaller than the diameter of the pin shaft (7) inserted into the sleeve (8) where the long groove (801) is located.

6. The split bobbin of claim 4, wherein: when the pin shaft (7) is matched with the sleeve (8) provided with the long groove (801), the notch of the long groove (801) is propped against the connecting part of the pin shaft (7) and the baffle.

7. The split bobbin of claim 2, wherein: one or more groups of first clamping grooves (9) and first clamping blocks (10) suitable for being inserted into the first clamping grooves (9) are respectively arranged on the two detachably connected baffle plates.

8. The split bobbin of claim 2, wherein: split type coil skeleton includes joint piece (13), all is equipped with a plurality of second draw-in grooves (14) on two baffles of dismantling the connection, the both sides of joint piece (13) have and are suitable for second fixture block (1301) of card income second draw-in groove (14).

9. The split bobbin of claim 7, wherein: the inner side wall of the first clamping groove (9) is provided with an annular groove (11), and the first clamping block (10) is provided with an annular protrusion (12) matched with the annular groove (11).

10. The split bobbin of claim 7, wherein: the first clamping groove (9) is located at the outer end of the baffle, and the thickness of the first clamping groove (9) is smaller than that of the baffle.

11. A circulation pump, characterized by: the motor comprises a rotor assembly (15), a stator assembly (16), a motor shell (17), a control panel (18) and a cover cap (19), wherein the rotor assembly (15) is positioned in the motor shell (17), the stator assembly (16) is fixedly connected with the control panel (18), and the motor shell (17) and the cover cap (19) form a cavity for mounting the stator assembly (16) and the control panel (18);

the stator assembly (16) comprising a stator core and the split bobbin of any of claims 1-10.