CN111555560A - General type protector support and motor - Google Patents

Abstract

The invention discloses a universal protector bracket and a motor. The protector bracket includes a placement slot, a wire routing slot and a fixing slot, the placement slot is a cylindrical structure with an open upper end, the wire routing slot is horizontally arranged, and the wires are routed The upper end of the slot is an open structure, one end of the wire routing slot is communicated with the placement slot, and the other end of the wire routing slot is provided with a fixing slot with an upper end open. A motor includes a universal protector bracket, a stator winding, a skeleton, a temperature protector and a thermistor, the outer side of the skeleton is evenly provided with stator windings, the outer side of the skeleton is provided with a skeleton inner block, the universal The type protector bracket is set between the stator windings, the universal type protector bracket is connected to the inner block, the temperature protector is set in the placement slot, the circuit of the temperature protector is matched with the wiring slot and the fixing slot, the thermal protector is The thermistor is arranged on one side of the wiring slot, and the line of the thermistor passes through the wiring slot and is matched with the wiring slot and the fixing slot.

Description

A universal protector bracket and motor

technical field

The invention relates to the technical field of protector brackets, in particular to a universal protector bracket and a motor.

Background technique

Different motors have different requirements for temperature protection, some require on-off type temperature protectors to provide on-off models, some need to feedback real-time winding temperature, some controller programs require the above two protector signals, and some motors require Single-phase signals, and some require UVW three-phase feedback signals alone or in series.

At present, the protector bracket of the traditional outer rotor motor is usually designed in a complex ring shape and has a certain thickness, and can be assembled with multiple temperature protectors. It has certain assembly space requirements and the assembly structure is relatively complex, but the versatility is poor. The motor needs to be set with different protector brackets, which increases the manufacturing cost.

SUMMARY OF THE INVENTION

The present invention is aimed at the above-mentioned deficiencies in the prior art, and provides a universal protector bracket and motor. The protector bracket is a plastic part as a whole, and is an injection-molded part made of high-density polypropylene or materials with similar properties, which is integrally formed by injection molding. The utility model has the advantages of simple structure, convenient processing, low manufacturing cost, can meet different motor requirements, and has universality.

To achieve the above object, the present invention provides the following technical solutions:

A universal protector bracket, comprising a placement slot, a wiring slot and a fixing slot, the placement slot is a cylindrical structure with an open upper end, the wiring slot is arranged horizontally, the upper end of the wiring slot is an open structure, and the wiring slot is an open structure. One end of the slot is communicated with the placement slot, and the other end of the wire routing slot is provided with a fixing slot with an open upper end.

Preferably, the bottom of the placement groove is a convex arc structure.

Preferably, the bottom of the placing slot is provided with ventilation holes.

Preferably, the side wall of the wire routing slot is provided with a wire clamping slot, and both ends of the wire clamping slot are provided with clamping blocks.

Preferably, a gap is provided between the two clamping blocks, and the clamping blocks have a trapezoidal structure.

Preferably, the upper end of the fixing groove is provided with a receding groove.

Preferably, the lower end of the fixing slot is provided with a fixing hole.

A motor includes a universal protector bracket, a stator winding, a skeleton, a temperature protector and a thermistor, the outer side of the skeleton is evenly provided with stator windings, the outer side of the skeleton is provided with a skeleton inner block, the universal The type protector bracket is set between the stator windings, the universal type protector bracket is connected to the inner block, the temperature protector is set in the placement slot, the circuit of the temperature protector is matched with the wiring slot and the fixing slot, the thermal protector is The thermistor is arranged on one side of the wiring slot, and the line of the thermistor passes through the wiring slot and is matched with the wiring slot and the fixing slot.

Preferably, the fixing groove is sleeved on the upper end of the block in the frame, and the block in the frame is matched with the fixing hole.

Preferably, a ring-shaped wiring groove is arranged between the frame and the inner block of the frame, and the circuits of the temperature protector and the thermistor are both arranged in the ring-shaped wiring groove.

Compared with the prior art, the beneficial effects of the present invention are:

1. The protector bracket of the present invention is a plastic part as a whole, which is an injection-molded part made of high-density polypropylene or materials with similar properties. Universality.

2. In the present invention, there are two symmetrical trapezoid blocks at the front end of the cable slot. The acute-angled ends of the right-angled trapezoid are opposite to each other and there is a gap in the middle. fixed effect.

3. The placement slot of the present invention is a thin-walled part, and the size of the inner slot and the temperature protector are clearance fit, so that the temperature protector is installed in the placement slot and will not easily fall out; the placement slot has a round bottom, which can ensure that the bracket is installed There will be no sharp parts in the stator to damage the stator winding and affect the quality of the stator. There is a ventilation hole at the bottom of the placing slot. The ventilation hole is set for the air circulation inside and outside the placing slot, so as to prevent the temperature protector from being installed in the placing slot to form a closed space at the bottom. Excessive space temperature affects the action of the temperature protector and reduces the sensitivity of the temperature protector.

Description of drawings

Fig. 1 is a schematic structural diagram one of the present invention;

Fig. 2 is the top view of the present invention;

Fig. 3 is the structural schematic diagram of the present invention and the thermometer;

FIG. 4 is a schematic diagram of the structure of the present invention in cooperation with a motor.

In the figure: 1-placement slot; 101-ventilation hole; 2-wire slot; 201-cable slot; 202-block; 3-fixed slot; 301-fixed hole; 302-way slot; 4-temperature protection 5- thermistor; 6- stator winding; 7- skeleton; 8- inner stop of skeleton; 9- annular wiring slot.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Example one,

As shown in Figures 1-3, a universal protector bracket includes a placement slot 1, a wiring slot 2 and a fixing slot 3. The placement slot 1 is a cylindrical structure with an open upper end, and the wiring slot 2 is horizontal The upper end of the wiring slot 2 is an open structure, one end of the wiring slot 2 is communicated with the placement slot 1, and the other end of the wiring slot 2 is provided with a fixing slot 3 with an upper end open.

In this embodiment, the bottom of the placement slot 1 is a convex arc structure, and the bottom of the placement slot 1 is provided with ventilation holes 101, so that the bottom of the temperature protector 4 and the bottom of the placement slot 1 can be provided with Clearance to improve heat dissipation.

Example two,

As shown in Figures 1-3, a universal protector bracket includes a placement slot 1, a wiring slot 2 and a fixing slot 3. The placement slot 1 is a cylindrical structure with an open upper end, and the wiring slot 2 is horizontal The upper end of the wiring slot 2 is an open structure, one end of the wiring slot 2 is communicated with the placement slot 1, and the other end of the wiring slot 2 is provided with a fixing slot 3 with an upper end open.

The bottom of the placement slot 1 is a convex arc structure, and the bottom of the placement slot 1 is provided with ventilation holes 101, so that a gap can be provided between the bottom of the temperature protector 4 and the bottom of the placement slot 1 to improve the heat dissipation effect.

On the basis of the first embodiment, the side wall of the wire routing slot 2 is provided with a wire clamping slot 201 , and the two ends of the wire clamping slot 201 are provided with clamping blocks 202 .

A gap is provided between the two blocking blocks 202, and the blocking blocks 202 are trapezoidal structures.

The thermistor 5 can be easily fixed, and the clamping block 202 can fix the circuit of the thermistor 5, which increases the convenience of use.

Example three,

As shown in Figures 1-3, a universal protector bracket includes a placement slot 1, a wiring slot 2 and a fixing slot 3. The placement slot 1 is a cylindrical structure with an open upper end, and the wiring slot 2 is horizontal The upper end of the wiring slot 2 is an open structure, one end of the wiring slot 2 is communicated with the placement slot 1, and the other end of the wiring slot 2 is provided with a fixing slot 3 with an upper end open.

The bottom of the placement slot 1 is a convex arc structure, and the bottom of the placement slot 1 is provided with ventilation holes 101, so that a gap can be provided between the bottom of the temperature protector 4 and the bottom of the placement slot 1 to improve the heat dissipation effect.

The side wall of the wire routing slot 2 is provided with a wire clamping slot 201 , and two ends of the wire clamping slot 201 are provided with clamping blocks 202 .

A gap is provided between the two blocking blocks 202, and the blocking blocks 202 are trapezoidal structures.

The thermistor 5 can be easily fixed, and the clamping block 202 can fix the circuit of the thermistor 5, which increases the convenience of use.

In this embodiment, in order to further increase the convenience of use, the upper end of the fixing slot 3 is provided with a vacant slot 302 , and the lower end of the fixing slot 3 is provided with a fixing hole 301 .

Example four,

As shown in Figures 1-4, a motor includes a universal protector bracket, a stator winding 6, a skeleton 7, a temperature protector 4 and a thermistor 5. The outer side of the skeleton 7 is evenly provided with a stator winding 6, so The outer side of the frame 7 is provided with a frame inner stop 8, the universal protector bracket is set between the stator windings 6, the universal protector bracket is connected with the inner stop, and the temperature protector 4 is set in the placement slot 1. Inside, the circuit of the temperature protector 4 is matched with the wiring slot 2 and the fixing slot 3, the thermistor 5 is arranged on one side of the wiring slot 2, and the circuit of the thermistor 5 passes through the wiring slot 201 and is connected with the wiring slot 201. Line slot 2 and fixing slot 3 are matched.

The fixing groove 3 is sleeved on the upper end of the block 8 in the frame, and the block 8 in the frame is matched with the fixing hole 301 .

An annular wiring slot 9 is arranged between the frame 7 and the inner stop 8 of the frame, and the circuits of the temperature protector 4 and the thermistor 5 are both arranged in the annular wiring slot 9 .

In actual production and use, the protector bracket with the thermistor or temperature sensor package and temperature protector installed is installed on the stator of the outer rotor motor, and the fixing slot 3 is sleeved on the inner frame block 8 on the stator frame 7, on the frame. The set wiring groove allows the connection wires of the thermistor or temperature sensor and the temperature protector to be routed smoothly without interference, and then the connection wires are routed into the annular wire groove 9 together with the motor connection wires. The position of the block 8 in the skeleton is in the middle of the two adjacent windings. After the bracket is installed, the slot 1 is just in the space between the two windings. The round bottom slot can prevent the stator winding from being damaged when the bracket is installed. Afterwards, the height of the motor stator will not be increased; the thermistor or temperature sensing package is also located in the space between the two windings, and can work normally for temperature sensing.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit and scope of the invention. Thus, provided that these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims (10)

1. A general type protector support which characterized in that: including standing groove, trough and fixed slot, the standing groove is upper end open-ended tubular structure, the trough level sets up, and the upper end of trough is open structure, the one end and the standing groove intercommunication of trough, the other end of trough is equipped with upper end open-ended fixed slot.

2. A universal protector support as claimed in claim 1, wherein: the bottom of the placing groove is of a convex arc structure.

3. A protector support of the generic type as claimed in claim 1 or 2, characterized in that: the bottom of the placing groove is provided with a vent hole.

4. A universal protector support as claimed in claim 2, wherein: the side wall of the wiring groove is provided with a wire clamping groove, and two ends of the wire clamping groove are provided with clamping blocks.

5. A universal protector support as claimed in claim 4, wherein: a gap is formed between the two clamping blocks, and the clamping blocks are of a trapezoidal structure.

6. A universal protector support as claimed in claim 1, wherein: the upper end of the fixed groove is provided with a yielding groove.

7. A universal protector support as claimed in claim 1, wherein: the lower end of the fixing groove is provided with a fixing hole.

8. The utility model provides a motor, includes stator winding, skeleton, temperature protector and thermistor which characterized in that: the universal protector support is arranged between the stator windings, the universal protector support is connected with the inner stop blocks, the temperature protector is arranged in the placing groove, the circuit of the temperature protector is matched with the wiring groove and the fixing groove, the thermistor is arranged on one side of the wiring groove, and the circuit of the thermistor penetrates through the wiring clamping groove and is matched with the wiring groove and the fixing groove.

9. An electrical machine as claimed in claim 8, wherein: the fixed slot cover is in the upper end of the frame inner stop block, and the frame inner stop block is matched with the fixed hole.

10. An electrical machine as claimed in claim 8, wherein: an annular wiring groove is formed between the framework and the framework inner stop block, and the circuits of the temperature protector and the thermistor are arranged in the annular wiring groove.

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