CN202353352U - A kind of protective wire sheath and its applied motor - Google Patents

Abstract

The utility model discloses a wire protection sleeve and a motor using the same. The wire protection sleeve (3) comprises a body (31) and an outer baffle (36) protruding outward from the body (31). A wire outlet hole (32) is arranged between the body (31) and the outer baffle (36). A clamping groove (33) is formed outside the wire outlet hole (32) and between the body (31) and the outer baffle (36). The clamping groove (33) is clamped on the side wall of a casing (1). The outer baffle (36) and the body (31) are respectively located on the outer surface and the inner surface of the casing (1). Lugs (34) protrude inward at both ends of the body (31). A plurality of lead holes (35) are arranged on the lugs (34). Lead wires (4) led out of a winding coil pass through the lead holes (35) and are led out from the lead holes (32). The utility model has a simple structure, is easy to install, and has high assembly efficiency. The utility model solves the problem that the winding wire head and the external lead wire are easily loosened when an external circuit board is installed.

Description

A kind of protective wire sheath and its applied motor

Technical field:

The utility model relates to a wire protection sleeve and an applied motor thereof.

Background technique:

The combination of the traditional brushless DC motor stator winding head and the external lead wire is usually connected to the circuit board through the lead wire, and then the circuit board is clamped on the stator to ensure the bonding force. For those who do not use the built-in circuit board and must use metal serpentine In the motor, the bonding force of the lead wires directly acts on the stator winding wire ends, and the winding wire ends and the lead wires are easy to loosen, which affects the normal operation of the motor.

Invention content:

An object of the present utility model is to provide a wire protection sleeve, which has a simple structure, convenient installation, high assembly efficiency, and solves the problem that the winding wire ends and the external leads are easy to loosen when the external circuit board is installed.

The wire grommet of the present utility model is realized through the following technical proposals.

A wire guard, comprising a body and an outer baffle protruding outward from the body, a wire outlet hole is provided between the body and the outer baffle, and a card slot is formed outside the wire outlet hole and between the body and the outer baffle, and the two sides of the body Lugs protrude inward from the end, and a number of lead wire holes are provided on the lugs.

The above-mentioned lead wire hole includes an upper lead wire hole and a lower lead wire hole, and the lead wire penetrates through the lower lead wire hole and is drawn out from the upper lead wire hole.

Compared with the prior art, the wire protection sleeve of the utility model has beneficial effects: 1) The utility model forms a clamping groove on the outer side of the outlet hole, between the body and the outer baffle, and the two ends of the body protrude inwardly. There are several lead holes on the lugs, which are simple in structure, easy to install, and high in assembly efficiency, which solves the problem that the winding wire ends and the external leads are easy to loosen when the external circuit board is installed; 2) The lead holes include upper lead holes and lower lead holes, Lead wires penetrate through the lower lead hole and lead out from the upper lead hole. The structural design is reasonable and the bonding force between the lead wire and the winding wire end is enhanced.

Another object of the utility model is to provide a motor, which adopts a wire guard, has a simple structure, is convenient to install, and has high assembly efficiency, and solves the problem that the winding wire ends and the external leads are easily loosened when an external circuit board is installed.

The motor of the present utility model is realized through the following technical proposals.

A motor, comprising a casing, an end cover and a grommet, a notch is opened on the top of one end of the casing, the grommet is embedded in the notch, the end cap presses the grommet and is installed on the casing, and the grommet includes The main body and the outer baffle protruding from the main body, there is an outlet hole between the main body and the outer baffle, and a card slot is formed outside the outlet hole, between the main body and the outer baffle, and the card slot is snapped on the side wall of the casing On the top, the outer baffle and the body are respectively located on the outer surface and the inner surface of the casing, and the two ends of the body protrude inwardly. There are several lead holes on the lugs. lead out.

The above-mentioned lead wire hole includes an upper lead wire hole and a lower lead wire hole, and the lead wire penetrates through the lower lead wire hole and is drawn out from the upper lead wire hole.

As mentioned above, the serpentine tube is connected to the outer side of the casing and the grommet, and one end of the serpentine tube passes through the outlet hole and is locked on the grommet through a nut.

A through hole is provided in the middle of the above-mentioned serpentine tube, and the lead wire passing through the upper lead hole is drawn out through the through hole.

The above-mentioned grommets are injection molded.

Compared with the prior art, the motor of the present utility model has beneficial effects: 1) the motor of the present utility model comprises a casing, an end cover and a wire cover, and a gap is provided at the top of one end of the casing, and the wire cover is embedded in the gap, and the end cover is pressed Hold the grommet and install it on the casing, which includes the body and the outer baffle protruding from the body. There is an outlet hole between the body and the outer baffle, and between the outer side of the outlet hole and the middle of the body and the outer baffle. A card slot is formed between them, and the card slot is clamped on the side wall of the casing. The outer baffle and the body are respectively located on the outer surface and the inner surface of the casing. The two ends of the body protrude inward, and there are several Lead hole, the lead wire drawn from the winding coil passes through the lead hole and is drawn out from the lead hole. The structure is simple, the installation is convenient, and the assembly efficiency is high. Directly installed on the motor casing; 2) Connect the serpentine tube on the outer side of the casing and the grommet, and one end of the serpentine tube passes through the outlet hole and is locked on the grommet by a nut to effectively protect the motor lead.

Description of drawings:

Fig. 1 is the perspective view of the utility model grommet;

Fig. 2 is a perspective view of another angle of the utility model grommet;

Fig. 3 is a three-dimensional view of the motor of the present invention;

Fig. 4 is a structural schematic diagram of the utility model motor;

Fig. 5 is a sectional view of part A-A in Fig. 4;

Fig. 6 is a partial enlarged view of C-C in Fig. 5;

Fig. 7 is the B-B part sectional view among Fig. 5;

Fig. 8 is a partial enlarged view of D-D in Fig. 7 .

Detailed ways:

The utility model will be described in further detail below through specific embodiments in conjunction with the accompanying drawings.

As shown in Figure 1, Figure 2 and Figure 6, a wire grommet includes a body 31 and an outer baffle 36 protruding outward from the body 31. An outlet hole 32 is provided between the body 31 and the outer baffle 36. A slot 33 is formed outside the hole 32, between the body 31 and the middle of the outer baffle plate 36, and the two ends of the body 31 project lugs 34 inwardly. The lugs 34 are provided with several lead holes 35; the lead holes 35 include upper lead holes 35a and the lower lead hole 35b, the lead wire 4 passes through the lower lead hole 35b and is drawn out by the upper lead hole 35a.

As shown in Figures 1 to 8, a motor includes a casing 1, an end cover 2 and a wire grommet 3, a gap 11 is opened on the top of one end of the casing 1, the wire grommet 3 is embedded in the gap 11, and the end cap 2 is pressed The grommet 3 is installed on the casing 1. The grommet 3 includes a body 31 and an outer baffle 36 protruding outward from the body 31. An outlet hole 32 is arranged in the middle of the body 31 and the outer baffle 36. A slot 33 is formed between the outside of the outlet hole 32, the middle of the body 31 and the outer baffle 36, the slot 33 is snapped on the side wall of the casing 1, and the outer baffle 36 and the body 31 are respectively located on the outer surface and the outer surface of the casing 1. On the inner surface, the two ends of the body 31 protrude lugs 34 inwardly. Several lead holes 35 are provided on the lugs 34. The lead wires 4 drawn from the winding coil pass through the lead holes 35 and are drawn out from the lead hole 32; the lead holes 35 include upper lead wires hole 35a and the lower lead hole 35b, the lead wire 4 penetrates through the lower lead hole 35b, and is drawn out from the upper lead hole 35a; the serpentine tube 5 is connected to the outer side of the casing 1 and the grommet 3, and one end of the serpentine tube 5 passes through the outgoing line The hole 32 is locked on the grommet 3 through the nut 6; a through hole 51 is provided in the middle of the serpentine tube 5, and the lead wire 4 passing through the upper lead hole 35a is drawn out through the through hole 51; the grommet 3 is injection molded.

The utility model has the advantages of simple structure, convenient installation and high assembly efficiency, and solves the problem that winding wire ends and external lead wires are easily loosened when an external circuit board is installed.

Claims (7)

1. wire bushing; Comprise body (31) and the outer baffle (36) that protrudes outward from body (31); Be provided with wire hole (32) in the middle of body (31) and the outer baffle (36); Between wire hole (32) outside, body (31) and outer baffle (36) centre, form draw-in groove (33), it is characterized in that: the two ends of body (31) are toward projecting inward lug (34), and lug (34) is provided with some fairleads (35).

2. a kind of wire bushing according to claim 1 is characterized in that: fairlead (35) comprises fairlead (35a) and following fairlead (35b), and lead-in wire (4) penetrates, drawn by last fairlead (35a) from following fairlead (35b).

3. motor that the said wire bushing of claim 1 is installed; Comprise casing (1), end cap (2) and wire bushing (3); Breach (11) is offered at casing (1) one end top, and wire bushing (3) embeds breach (11) lining, and end cap (2) is pushed down wire bushing (3) and is installed on the casing (1); It is characterized in that: described wire bushing (3) comprises body (31) and the outer baffle (36) that protrudes outward from body (31); Be provided with wire hole (32) in the middle of body (31) and the outer baffle (36), between wire hole (32) outside, body (31) and outer baffle (36) centre, form draw-in groove (33), draw-in groove (33) is installed on the sidewall of casing (1); Outer baffle (36) and body (31) lay respectively at the outer surface and the inner surface of casing (1); The two ends of body (31) are toward projecting inward lug (34), and lug (34) is provided with some fairleads (35), and the lead-in wire that winding coil is drawn (4) passes fairlead (35) and draws from wire hole (32).

4. a kind of motor according to claim 3 is characterized in that: fairlead (35) comprises fairlead (35a) and following fairlead (35b), and lead-in wire (4) penetrates, drawn by last fairlead (35a) from following fairlead (35b).

5. a kind of motor according to claim 4 is characterized in that: go up connection coiled pipe (5) at casing (1) outside, wire bushing (3), coiled pipe (5) one ends pass wire hole (32) and are locked on the wire bushing (3) through nut (6).

6. a kind of motor according to claim 5 is characterized in that: be provided with through hole (51) in the middle of the coiled pipe (5), pass the lead-in wire (4) of fairlead (35a) and draw through through hole (51).

7. according to claim 3 or 4 or 5 or 6 described a kind of motors, it is characterized in that: wire bushing (3) is injection mo(u)lding.

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