CN215452627U

CN215452627U - Motor ring, motor and canned motor pump

Info

Publication number: CN215452627U
Application number: CN202121640436.9U
Authority: CN
Inventors: 韩元平; 王园; 章立
Original assignee: Hefei Xinhu Canned Motor Pump Co Ltd
Current assignee: Hefei Xinhu Canned Motor Pump Co Ltd
Priority date: 2021-07-19
Filing date: 2021-07-19
Publication date: 2022-01-07
Anticipated expiration: 2031-07-19

Abstract

The utility model belongs to the technical field of canned motor pumps, and discloses a motor ferrule, a motor and a canned motor pump. The motor ferrule comprises a ferrule body and an elastic wire clip, wherein a barb and a wire clamping groove are arranged on the ferrule body, the barb can be hooked on a boss on an upper framework of a motor, a first wire passing hole is formed in one side wall of two opposite side walls of the wire clamping groove, a second wire passing hole is formed in the other side wall of the two opposite side walls of the wire clamping groove, and a connecting wire of the motor and a connecting wire of a junction box can sequentially pass through the second wire passing hole and the first wire passing hole; the elastic wire clamp can be inserted into the wire clamping groove to compress the connecting wire, compared with the prior art, the stability of assembling the motor ferrule and the upper framework can be improved, the wire clamp arranged on the upper framework is omitted, the fixing operation of the connecting wire is simplified, and the efficiency is improved.

Description

Motor ring, motor and canned motor pump

Technical Field

The utility model belongs to the technical field of canned motor pumps, and particularly relates to a motor ferrule, a motor and a canned motor pump.

Background

The canned pump is a sealless pump, where both the pump and the drive motor are sealed in a pressure vessel filled with the pumped medium, which pressure vessel has only static seals, and a set of electrical wires to provide a rotating magnetic field and to drive the rotor.

At present, a ferrule of a driving motor of a canned motor pump is arranged on an upper framework of the driving motor, the ferrule is used for fixedly connecting a connecting wire of the driving motor and a junction box, looseness easily occurs in the assembly of the ferrule and the upper framework, a wire clamp is required to be arranged on the ferrule and the upper framework when the connecting wire is fixed, the fixing operation of the connecting wire is complex, and the efficiency is low.

Therefore, a motor ferrule, a motor and a canned motor pump are needed to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a motor ferrule, a motor and a shield pump so as to improve the stability of assembling the ferrule and an upper framework, simplify the fixing operation of a connecting wire and improve the efficiency.

To achieve the above object, a first aspect of the present application provides a motor ferrule including:

the loop body is provided with a barb and a wire clamping groove, the barb can be hooked on a boss on an upper framework of the motor, in the axial direction of the loop body, one side wall of two opposite side walls of the wire clamping groove is provided with a first wire passing hole, the other side wall of the two opposite side walls of the wire clamping groove is provided with a second wire passing hole, and a connecting wire of the motor and the junction box can sequentially pass through the second wire passing hole and the first wire passing hole;

and the elastic wire clamp can be inserted into the wire clamping groove to compress the connecting wire.

As a preferable technical solution of the motor ferrule, the barb includes a body portion and a hook portion, one end of the body portion is connected to the ferrule body, and the other end of the body portion is connected to the hook portion, and in the axial direction of the ferrule body, a guide inclined surface is provided on a side of the hook portion facing away from the body portion, and the guide inclined surface can slide relative to the boss after contacting and being pressed by the boss.

As a preferred technical scheme of the motor ferrule, the elastic wire clip comprises a first portion, a second portion and a third portion, the second portion is connected between the first portion and the third portion, and the first portion and the third portion are provided with a first threading hole in a manner of being opposite to each other.

As an optimal technical scheme of the motor ferrule, a first strip-shaped hole, a second strip-shaped hole and a third strip-shaped hole are formed in the first portion, the second portion and the third portion respectively, the first strip-shaped hole is communicated with the second strip-shaped hole and the first threading hole in the first portion, and the third strip-shaped hole is communicated with the second strip-shaped hole and the first threading hole in the third portion.

As a preferred technical scheme of the motor ferrule, the elastic wire clamp further comprises an arc-shaped part, the arc-shaped part is located between the first part and the third part, one end of the arc-shaped part is connected to the first part, and a second threading hole is formed in the other end of the arc-shaped part.

As a preferred technical scheme of the motor ferrule, a plurality of barbs are arranged, and the barbs are arranged at intervals along the circumferential direction of the ferrule body.

As a preferred technical scheme of the motor ferrule, the wire clamping grooves and the elastic wire clamp are respectively provided with a plurality of corresponding wire clamping grooves, and the plurality of wire clamping grooves are arranged side by side.

In order to achieve the above object, the second aspect of the present application provides a motor, including the motor ferrule in any one of the above schemes, the motor further includes a frame, the frame can be inserted into the ferrule body, a boss is arranged on the frame, and the barb of the motor ferrule can be hooked on the boss.

As a preferred technical scheme of the motor, one of the upper framework and the ferrule body is provided with an insertion column, the other is provided with an insertion groove, and the insertion column can be inserted into the insertion groove.

In order to achieve the above object, a third aspect of the present application provides a canned motor pump including the motor according to any one of the above aspects.

Compared with the prior art, the utility model has the following beneficial effects:

this motor lasso includes lasso body and elasticity ply-yarn drill, is provided with barb and card wire casing on the lasso board body, and the barb can be hitched in the boss on the last skeleton of motor, and elasticity ply-yarn drill can insert the card wire casing in order to compress tightly the connecting wire. Compared with the prior art, the stability of assembling the motor ferrule and the upper framework can be improved, a wire clamp is omitted from being installed on the upper framework, the fixing operation of the connecting wire is simplified, and the efficiency is improved.

Drawings

Fig. 1 is a schematic partial structure diagram of a motor provided by the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a schematic structural diagram of a motor collar provided by the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3 at B;

fig. 5 is a schematic structural diagram of the elastic line card provided by the present invention.

Wherein,

1. an electrode ferrule; 11. a ferrule body; 112. a barb; 1121. a body portion; 1122. a hook portion; 11221. a guide slope; 113. a wire clamping groove; 1131. a first wire passing hole; 1132. a second wire passing hole;

12. an elastic line card; 121. a first part; 1211. a first threading hole; 1212. a first bar-shaped hole; 122. a second section; 1221. a second bar-shaped hole; 123. a third section; 1231. a third strip-shaped hole; 124. an arc-shaped portion; 1241. a second threading hole.

2. Mounting a framework; 21. and (4) a boss.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention 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 present invention, 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, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the description refers must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; either mechanically or electrically. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

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.

The present embodiment provides a canned motor pump, which includes a pump and a driving motor, and the above-mentioned pump is a mature prior art and is not described herein again.

As shown in fig. 1, the driving motor includes a motor ring 1 and an upper frame 2, and the motor ring 1 and the upper frame 2 can be inserted. It should be noted that the rest of the structure of the driving motor is mature prior art, and is not described herein again.

Further, one of the upper framework 2 and the motor ferrule 1 is provided with a plug-in post, and the other is provided with a plug-in groove, and the plug-in post can be plugged in the plug-in groove. Through setting up plug column and inserting groove, can improve the stability after skeleton 2 and the assembly of motor lasso 1 on the one hand, on the other hand can provide the direction for the assembly of skeleton 2 and motor lasso 1. Specifically, in this embodiment, the upper frame 2 is provided with the insertion post, and the motor collar 1 is provided with the insertion groove, but in other embodiments, the upper frame 2 may also be provided with the insertion groove, and the motor collar 1 is provided with the insertion post.

As shown in fig. 2 to 5, the electrode ferrule 1 includes a ferrule body 11 and an elastic line clip 12, wherein the ferrule body 11 is provided with a barb 112 and a line clamping groove 113, the barb 112 can be hooked on a boss 21 on an upper frame 2 of the motor, in the axial direction of the ferrule body 11, one of two opposite side walls of the line clamping groove 113 is provided with a first line passing hole 1131, the other side wall is provided with a second line passing hole 1132, and a connection line (not shown) of the motor and the terminal box can pass through the second line passing hole 1132 and the first line passing hole 1131 successively. The elastic line card 12 can be inserted into the card slot 113 to compress the connection line.

Specifically, referring to fig. 1 and 2, in the present embodiment, the barb 112 includes a body portion 1121 and a hook portion 1122, the body portion 1121 has one end connected to the ferrule body 11 and the other end connected to the hook portion 1122, a side of the hook portion 1122 facing away from the body portion 1121 in the axial direction of the ferrule body 11 has a guide inclined surface 11221, and the guide inclined surface 11221 can slide relative to the boss 21 after contacting and pressing the boss 21. It can be understood that, when the motor collar 1 and the upper frame 2 are assembled, when the guide slope 11221 contacts the boss 21 and then applies pressure to the motor collar 1, the guide slope 11221 slides relative to the boss 21, so that the hook portion 1122 expands outward away from the boss 21, and the body portion 1121 is elastically deformed until the hook portion 1122 moves to hook the boss 21, and the body portion 1121 returns to its original shape.

Further, the barb 112 is provided in plural, and the plural barbs 112 are provided at intervals in the circumferential direction of the ferrule body 11. Specifically, referring to fig. 3, in the present embodiment, the barbs 112 are provided in three, but in other embodiments, the barbs 112 may also be provided in four or more.

Furthermore, the wire clamping slots 113 and the elastic wire clamps 12 are respectively provided with a plurality of corresponding wire clamping slots 113, and the wire clamping slots 113 are arranged side by side. Specifically, referring to fig. 3 and 4, in this embodiment, three card line slots 113 are provided, and three corresponding elastic line cards 12 are also provided, although in other embodiments, the number of the card line slots 113 may also be one, two, or more than three, and the number of the elastic line cards 12 is correspondingly set according to the number of the card line slots 12.

As shown in fig. 5, the elastic line card 12 includes a first portion 121, a second portion 122 and a third portion 123, the second portion 122 is connected between the first portion 121 and the third portion 123, the first portion 121, the second portion 122 and the third portion 123 form an Contraband-shaped structure, and the first portion 121 and the third portion 123 are provided with a first threading hole 1211 opposite to each other. When the elastic line card 12 is inserted into the card slot 113, the first and

second portions

121 and 122 come close to each other. In addition, in the present embodiment, the first portion 121, the second portion 122, and the third portion 123 are all plate-shaped structures.

Furthermore, the first portion 121, the second portion 122 and the third portion 123 are respectively provided with a first strip-shaped hole 1212, a second strip-shaped hole 1221 and a third strip-shaped hole 1231, the first strip-shaped hole 1212 is communicated with the second strip-shaped hole 1221 and the first threading hole 1211 on the first portion 121, and the third strip-shaped hole 1231 is communicated with the second strip-shaped hole 1221 and the first threading hole 1211 on the third portion 123.

It should be noted that, in this embodiment, the width of the second strip-shaped hole 1221 is greater than the width of the first strip-shaped hole 1212, the width of the second strip-shaped hole 1221 is greater than the width of the third strip-shaped hole 1231, and the width of the first strip-shaped hole 1212 is equal to or approximately equal to the width of the third strip-shaped hole 1231.

Further, the elastic line card 12 further includes an arc portion 124, the arc portion 124 is located between the first portion 121 and the third portion 123, one end of the arc portion 124 is connected to the first portion 121, and the other end is provided with a second threading hole 1241. Specifically, the opening of the arc portion 124 faces the first portion 121, and the second threading hole 1241 has a notch for the connecting wire to enter. Preferably, in this example, in order to reduce the number of parts and assembly difficulty, the first portion 121, the second portion 122, the third portion 123 and the arc portion 124 constituting the elastic line card 12 are integrally formed. Of course, in other embodiments, the first portion 121, the second portion 122, the third portion 123 and the arc portion 124 may be separately disposed and connected to form the elastic line card 12.

It can be understood that, when the connection line needs to be compressed in the wire clamping groove 113 through the elastic wire clip 12, the connection line can be pressed into the two first threading holes 1211 through the first strip-shaped hole 1212, the second strip-shaped hole 1221 and the third strip-shaped hole 1231, and the connection line is made to enter the second threading hole 1241 through the notch of the second threading hole 1241.

In order to prevent the connecting wire from being pulled out of the first threading hole 1211, the width of the first strip-shaped hole 1212 may be smaller than the width of the corresponding first threading hole 1211, and the width of the third strip-shaped hole 1231 may be smaller than the width of the corresponding first threading hole 1211, that is, the connecting wire is actually squeezed when passing through the first strip-shaped hole 1212 and the third strip-shaped hole 1231, so that the connecting wire is prevented from being pulled out of the first threading hole 1211 after entering the first threading hole 1211.

In summary, the motor ferrule 1 provided by this embodiment includes the ferrule body 11 and the elastic line clip 12, the barb 112 and the line clamping groove 113 are provided on the ferrule plate body 11, the barb 112 can hook the boss 21 on the upper frame 2 of the motor, and the elastic line clip 12 can be inserted into the line clamping groove 113 to compress the connection line. Compared with the prior art, the assembling stability of the motor ferrule 1 and the upper framework 2 can be improved, a wire clamp is omitted from being installed on the upper framework 2, the fixing operation of a connecting wire is simplified, and the efficiency is improved.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A motor collar, comprising:

the motor terminal ring comprises a ring body (11), wherein a barb (112) and a wire clamping groove (113) are arranged on the ring body (11), the barb (112) can be hooked on a boss (21) on an upper framework (2) of the motor, a first wire passing hole (1131) is formed in one side wall of two opposite side walls of the wire clamping groove (113) in the axial direction of the ring body (11), a second wire passing hole (1132) is formed in the other side wall of the two opposite side walls of the wire clamping groove, and a connecting wire of the motor and a connecting wire of a junction box can sequentially pass through the second wire passing hole (1132) and the first wire passing hole (1131);

an elastic line card (12) insertable into the card wire slot (113) to compress the connection line.

2. The motor ferrule as claimed in claim 1, wherein the barb (112) comprises a body portion (1121) and a hook portion (1122), the body portion (1121) is connected to the ferrule body (11) at one end and connected to the hook portion (1122) at the other end, a side of the hook portion (1122) facing away from the body portion (1121) in an axial direction of the ferrule body (11) has a guide slope (11221), and the guide slope (11221) is slidable relative to the boss (21) after contacting and being pressed against the boss (21).

3. The motor ferrule according to claim 1, wherein the elastic line card (12) comprises a first portion (121), a second portion (122) and a third portion (123), the second portion (122) is connected between the first portion (121) and the third portion (123), and the first portion (121) and the third portion (123) are oppositely provided with a first threading hole (1211).

4. The motor ferrule according to claim 3, wherein a first strip-shaped hole (1212), a second strip-shaped hole (1221) and a third strip-shaped hole (1231) are respectively formed in the first portion (121), the second portion (122) and the third portion (123), the first strip-shaped hole (1212) is communicated with the second strip-shaped hole (1221) and the first threading hole (1211) in the first portion (121), and the third strip-shaped hole (1231) is communicated with the second strip-shaped hole (1221) and the first threading hole (1211) in the third portion (123).

5. The motor ferrule as recited in claim 3, wherein the resilient line clip (12) further comprises an arcuate portion (124), the arcuate portion (124) being located between the first portion (121) and the third portion (123), the arcuate portion (124) having one end connected to the first portion (121) and the other end defining a second threading aperture (1241).

6. The motor ferrule as claimed in claim 1, wherein the barb (112) is provided in plural, and the plural barbs (112) are provided at intervals in a circumferential direction of the ferrule body (11).

7. The motor ferrule according to claim 1, wherein the wire clamping groove (113) and the elastic wire clip (12) are provided in plurality and in one-to-one correspondence, and the plurality of wire clamping grooves (113) are arranged side by side.

8. An electric machine, characterized in that it comprises a machine collar according to any one of claims 1 to 7, and further comprises an upper frame (2), the upper frame (2) can be inserted into the collar body (11), a boss (21) is arranged on the upper frame (2), and the barb (112) of the machine collar can hook the boss (21).

9. The electrical machine according to claim 8, characterized in that one of the upper frame (2) and the ferrule body (11) is provided with a plug-in stud, and the other is provided with a plug-in groove, the plug-in stud being able to be plugged in the plug-in groove.

10. A canned pump comprising an electric motor as claimed in claim 8 or 9.