CN208518891U - Rotor counterweight block and motor and compressor with it - Google Patents

Abstract

A kind of rotor counterweight block and motor and compressor with it, top or bottom of the rotor counterweight block to be set to a rotor, system includes: a body part, be located at its top of the body part with one and formed first surface, one be located at its bottom end of the body part and the second surface formed and one be located at the first surface its end edge is connect and the ring wall face of formation with the second surface；And an at least air guide structure, it is formed in the body part, respectively the air guide structure includes a plurality of recesses and an at least flat site, meanwhile, a kind of motor using above-mentioned rotor counterweight block, and the compressor using said motor are also provided；An at least air guide structure is formed with by the rotor counterweight block to improve friction resistance and reduces pressure difference mechanical resistance, is reduced with reaching into power, reduction noise and the oil recycle ratio for promoting compressor.

Description

Rotor counterweight block and motor and compressor with it

Technical field

The utility model relates to compressor fields, more particularly, to a kind of rotor counterweight block and have the rotor counterweight block Motor and with the motor compressor.

Background technique

It is well known that compressor is the important of the household electrical appliance that air conditioner, refrigerator etc. utilize cooling cycle system work Building block.Mechanical energy is changed into pressure energy under the drive of motor by the moving piston of compressor, is realized to compresser cylinder The compression of inner refrigerant.Motor converts electrical energy into rotation mechanical energy by the rotation of the corresponding component in the case where current field acts on, Power is provided for the operating of compressor.

In general, motor is made of stator and rotor two parts, in order to increase the torque of compressor motor rotor and expire The aequum requirement of sufficient balance shaft system in the running, the additional bob-weight block usually on rotor, to reduce the vibration of compressor complete machine, Guarantee the normal operation of compressor.

Refering to Figure 1, have a kind of clump weight 4 in the prior art, the motor rotor 5 mainly in a compressor Top surface and bottom surface be respectively arranged with the clump weight 4, and this wherein a clump weight 4 in the motor rotor 5 in top surface Side, other side of the other clump weight 4 in the motor rotor 5 in bottom surface are turned with corresponding to each other and balancing the motor Son 5 avoids the motor rotor 5 in rotation, because of the imbalance of weight, and causes rotation to have some setbacks, and pass through multiple knots The respectively clump weight 4 is combined fixation with the motor rotor 5 by component 6.

Summary of the invention

So, with regard to it is above-mentioned it is known for, respectively the clump weight 4 is in a C font respectively, and is respectively provided with opposite two freely End, the free end of the clump weight 4 are respectively provided with one side 41, and respectively the side 41 is respectively provided with a height, since respectively this is matched The side of pouring weight 4 is respectively provided with the height, when the described motor rotor 5 is in operation process, passes through the respectively side 41 and produces Raw apparent windage pressure, and the revolving speed of the motor rotor 5 is caused to reduce, the compressor is in turn resulted in because described should The revolving speed of motor rotor 5 reduces, and leads to performance degradation, along with respectively the side 41 has the height, when the described motor During operation, respectively the side 41 will be pushed against the oil gas being full of in the compressor to rotor 5, so that in the compressor Oil gas splash everywhere, cause the oil gas in the compressor can not be successfully recycling use, so the clump weight of the prior art is deposited In space to be improved.

The main purpose of the utility model is providing a kind of corresponding rotor counterweight for being located at the top of motor rotor or bottom Block allows wind energy of the rotor in rotation to flow through along rotor counterweight block, to reduce wind resistance, and equally allows oil gas along this turn Sub- clump weight flows through, and is occurred with reducing the situation of collision oil gas.

It is to be set at the top or bottom of a rotor according to the rotor counterweight block of the main purpose of the utility model In the rotor counterweight block of stationary state, which is characterized in that be to include: a body part, have one be located at its top of the body part and The first surface of formation, one be located at its bottom end of the body part and the second surface formed and one be located at the first surface with should The ring wall face of formation between the connection of its end edge of second surface；And an at least air guide structure, it is formed at the body part, respectively this is led Wind structure includes that a plurality of recesses and at least one are separated between those recesses and the flat site of shape.

Above-mentioned rotor counterweight block, wherein the air guide structure system be formed in the body part ring wall face or the body part it At any one of first surface.

Above-mentioned rotor counterweight block, wherein the air guide structure system is formed at the first surface and ring wall face of the body part.

Above-mentioned rotor counterweight block, wherein each recess system of those air guide structures be staggered or array arrangement appoint One kenel and be laid at the ring wall face of the body part；And those recess systems are laid with any one comprehensive or part kenel At the ring wall face of the body part.

Above-mentioned rotor counterweight block, wherein each recess system of those air guide structures with radial arrangement or is staggered it Any one kenel and be laid at the first surface of the body part；And those recess systems with any one comprehensive or part kenel and It is laid at the first surface of the body part.

Above-mentioned rotor counterweight block, wherein each recess system of those air guide structures be same shape or non-equal shape it The geometry of any one or its be collocated with each other and presented.

Above-mentioned rotor counterweight block, wherein respectively its bottom face system of the recess is in concave arc shape or any one planar It is existing；And the geometry system that those recesses are presented be circle, it is ellipse, triangle, rectangular, rectangle, diamond shape, trapezoidal, more Any one of side shape or irregular shape.

Above-mentioned rotor counterweight block, wherein its overall appearance profile system of the body part is presented with semi-annular shape；And this Body portion is further to be located at the first surface equipped with plurality of through holes and presented through the second surface.

Therefore, the rotor counterweight block of the utility model, effect are:

1, the design of an at least air guide structure is formed with to improve friction resistance by the rotor counterweight block, and reduce difference force Resistance, when the rotor of motor is when operating, which can hit the refrigerant in compressor, with its windage when revolving speed is higher Bigger, generated wind cuts noise and enters power；Therefore, it uses and reaches to reduce frontal resistance through each recess of the air guide structure To reducing into power and reducing noise, the overall efficiency of compressor is improved.

2, the design of an at least air guide structure is formed with to improve friction resistance by the rotor counterweight block, and reduce difference force Resistance, when the rotor of motor is when operating, the high pressure refrigerant air-flow inside compressor can carry refrigerator oil secretly, at this time high-pressure rotary Rotor counterweight block can hit the refrigerator oil of suspension, cause the suspension machine oil particle of script that will become smaller, and then can be easy quilt High pressure refrigerant air-flow in compressor takes compressor out of；Therefore, increase the effect of surface area through each recess of the air guide structure, And facilitate the attachment of oil droplet, and the refrigerator oil being attached on the rotor counterweight block when operating can be assembled because of centrifugal force, To reduce the rotor counterweight block for the impact strength of refrigerant, and compressor case wall is then struck against after refrigerator oil is thrown out of On face, oil sump is finally flowed back to, the oil recycle ratio for reaching and promoting compressor is used, improves the overall efficiency of compressor.

The another object of the utility model tie up in: a kind of motor with above-mentioned rotor counterweight block is provided.

According to the motor of the another object of the utility model, being includes: stator, rotor and the rotor counterweight according to the utility model Block.

Therefore, the motor of the utility model, effect are: by the way that above-mentioned rotor counterweight block is arranged, enabling has the rotor The motor of clump weight is to improve overall performance.

A further object of the utility model is providing a kind of compressor with said motor.

It is including the motor according to the utility model according to the compressor of a further object of the utility model.

Therefore, the compressor of the utility model, effect are: by the way that said motor is arranged, and applying the rotor counterweight The compressor of block is to improve overall performance.

Detailed description of the invention

The stereoscopic schematic diagram of Fig. 1 assembling between existing clump weight and motor rotor.

Fig. 2 is the stereoscopic schematic diagram (one) of the rotor counterweight block of the utility model.

Fig. 3 is the stereoscopic schematic diagram (two) of the rotor counterweight block of the utility model.

Fig. 4 is the stereoscopic schematic diagram (three) of the utility model rotor counterweight block.

Fig. 5 is the diagrammatic cross-section of the rotor counterweight block of the utility model.

The stereoscopic schematic diagram of Fig. 6 assembling between the rotor counterweight block and motor rotor of the utility model.

The diagrammatic cross-section of Fig. 7 assembling between the rotor counterweight block and motor rotor of the utility model.

Wherein: 1 rotor counterweight block；11 body parts；111 first surfaces；112 second surfaces；113 ring wall faces；114 through-holes；1 2 air guide structures；121 recesses；1211 bottom faces；122 flat sites；2 rotors；21 through-holes；3 engaging members；4 clump weights；41 sides； 5 motor rotors；6 engaging members.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe；Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment；Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts Every other embodiment obtained, fall within the protection scope of the utility model.

Firstly, please refer to shown in the 2nd figure to the 7th figure, in detail according to the rotor counterweight block 1 of the utility model embodiment, Motor and compressor.

Firstly, being includes: a body part 11 and an at least wind-guiding according to the rotor counterweight block 1 of the utility model embodiment Structure 12；Wherein:

The body part 11, be for made by metal material, be located at its top of body part 11 with one and formed first Surface 111, one be located at its bottom end of body part 11 and the second surface 112 formed and one be located at the first surface 111 with should The ring wall face 113 of formation between the connection of its end edge of second surface 112；And

Those air guide structures 12 are formed at the body part 11, respectively the air guide structure 12 include a plurality of recesses 121 with And at least one be separated between those recesses 121 and the flat site 122 of shape；

By described in the above structure, hereby further explain as after:

The whole kenel of the body part 11 is formed in for the aforementioned air guide structure 12, described further below:

Kenel one: the ring wall face 113(that aforementioned 12 system of air guide structure is formed in the body part 11 is as shown in Figure 2) or this The first surface 111(in body portion 11 is as shown in Figure 3) any one at；Wherein 121 system of each recess of those air guide structures 12 is to hand over Mistake arrangement or array arrangement any one kenel and be laid at the ring wall face 113 of the body part 11, and those 121 systems of recess with Comprehensively or any one kenel of part and be laid at the ring wall face 113 of the body part 11, and in this creation schema, the body part 121 system of each recess in 11 ring wall face 113 is presented with being staggered and laying kenel comprehensively；In addition, those air guide structures 12 121 system of each recess with radial arrangement or any one kenel being staggered the first surface 11 for being laid in the body part 11 At 1, and those 121 systems of recess are laid at the first surface 111 of the body part 11 with any one comprehensive or part kenel； And in this creation schema, each recess 121 of the first surface 111 of the body part 11 then lays kenel with radial arrangement and comprehensively It is presented；

Kenel two: aforementioned 12 system of air guide structure is formed at the first surface 111 and ring wall face 113 of the body part 11 (as shown in Figure 4)；Wherein 121 system of each recess of those air guide structures 12 be staggered or any one kenel of array arrangement and It is laid at the ring wall face 113 of the body part 11, and those 121 systems of recess are laid in any one comprehensive or part kenel At the ring wall face 113 of the body part 11；In addition, 121 system of each recess of those air guide structures 12 is with radial arrangement or staggered row Any one kenel of column and be laid at the first surface 111 of the body part 11, and those 121 systems of recess are with comprehensive or part Any one kenel and be laid at the first surface 111 of the body part 11；And in this creation schema, the ring wall face of the body part 11 113 121 system of each recess is presented with being staggered and laying kenel comprehensively；In addition, the first surface 111 of the body part 11 Each recess 121 is then presented with radial arrangement and comprehensive kenel of laying；

Furthermore regardless of each recess 121 of the aforementioned air guide structure 12 is which kind of kenel is formed at the body part 11, wherein 121 system of each recess of those air guide structures 12 is the geometry of any one or its phase interconnection of same shape or non-equal shape With being presented；And respectively its 1211 system of bottom face of the recess 121 is presented with concave arc shape or any one planar；Those recesses again The 121 geometry systems presented are circle, ellipse, triangle, rectangular, rectangle, diamond shape, trapezoidal, polygon or do not advise Then any one of shape；And in this creation schema, 121 system of each recess of those air guide structures 12 is laid in this for same shape It is presented at the first surface 111 of body part 11 and ring wall face 113；And respectively its 1211 system of bottom face of the recess 121 is with concave arc shape Or any one planar is presented；

Finally, its overall appearance profile system of the aforementioned body part 11 is presented with semi-annular shape, and more in the body part 11 Further system is equipped with plurality of through holes 114, is located at the first surface 111 and is presented through the second surface 112；

Therefore through above-mentioned 1 structure of rotor counterweight block for, further specifically describe, the utility model rotor 1 system of clump weight applies to the rotor 2 in motor, which is in be set at the top or bottom of the rotor 2 Stationary state, when at the top or bottom that respectively the rotor counterweight block 1 is set to the rotor 2, the second table of the rotor counterweight block 1 112 system of face is set to 2 top of rotor or bottom, and wherein 2 system of rotor is equipped with plurality of through holes 21, and the rotor 2 is each logical Hole 21 corresponds respectively to each through-hole 114 of the body part 11 of the rotor counterweight block 1, and distinguishes through a plurality of engaging members 3 of arranging in pairs or groups Each through-hole 114 of the body part 11 of the excessively rotor counterweight block 1 and each through-hole 21 of the rotor 2 are worn, it will each clump weight 1 Fixation is combined with the rotor 2, the rotor counterweight block 1 is made to be in upper and lower corresponding be provided on the rotor 2 and form the horse It reaches；The motor system includes rotor 2 and stator, and by the way that the above-mentioned rotor counterweight block 1 is arranged, enabling has the rotor counterweight block 1 Motor to improve overall performance；

In addition, the motor formed through structure between the above-mentioned rotor counterweight block 1 and the rotor 2, further specifically Illustrate, the motor is used for compressor；By the way that said motor is arranged, and it is whole to improve using the compressor of the rotor counterweight block 1 Body performance；And the compressor may include shell, motor and compression mechanism, motor and compression mechanism are each provided in shell and logical It crosses crankshaft to be connected, compression operation is carried out to refrigerant by crankshaft-drive compressors structure during motor operations；Here it is possible to Understand, compressor can be rotary compressor, turbocompressor etc., for the knot of the compression mechanism of every kind of compressor Structure and working principle be all for those of ordinary skills it is known, be not detailed herein；

Based on above structure, this creation utility model is formed at least one through the body part 11 of the rotor counterweight block 1 and leads The design of wind structure 12 and reduces pressure difference mechanical resistance to improve friction resistance, when the rotor 2 of the motor is when operating, the rotor counterweight Block 1 can hit the refrigerant in compressor, and as its windage is bigger when revolving speed is higher, generated wind cuts noise and enters power；Therefore, Through the air guide structure 12 each recess 121 to reduce frontal resistance, use reach reduce into power and reduce noise, and improve pressure The overall efficiency of contracting machine；

In addition, being formed with the design of an at least air guide structure 12 by the rotor counterweight block 1 again to improve friction resistance, and reduce Pressure difference mechanical resistance, when the rotor 2 of motor is when operating, the high pressure refrigerant air-flow inside compressor can carry refrigerator oil secretly, high at this time The rotor counterweight block 1 of pressure rotation can hit the refrigerator oil of suspension, cause the suspension machine oil particle of script that will become smaller, in turn It can be easy to take compressor out of by the high pressure refrigerant air-flow in compressor；Therefore, increase through each recess 121 of the air guide structure 12 The effect of surface area, and facilitate the attachment of oil droplet, and being attached to when operating the refrigerator oil on the rotor counterweight block 1 can be because Centrifugal force and assemble, to reduce the rotor counterweight block 1 for the impact strength of refrigerant, and then hit after refrigerator oil is thrown out of In on compressor case wall surface, oil sump is finally flowed back to, the oil recycle ratio for reaching and promoting compressor is used, improves the complete machine of compressor Efficiency.

Above-described embodiment is only the wherein specific implementation of the utility model, and the description thereof is more specific and detailed, but simultaneously Therefore it cannot be interpreted as that a limitation on the scope of the patent of the present invention.It should be pointed out that for the ordinary skill of this field For personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are apparent Alternative forms belong to the protection scope of the utility model.

Claims (10)

1. a kind of rotor counterweight block is the rotor counterweight block to be set at the top or bottom of a rotor in stationary state, It is characterized in that, being to include:

One body part, with one be located at its top of the body part and formed first surface, one be located at its bottom end of the body part and The second surface of formation and one be located at the first surface and its end edge of the second surface connection between and the ring wall face of formation；And

An at least air guide structure is formed at the body part, and respectively the air guide structure includes a plurality of recesses and at least one point Every the flat site of shape between those recesses.

2. rotor counterweight block according to claim 1, which is characterized in that the air guide structure system is formed in the ring of the body part At any one of the first surface of wall surface or the body part.

3. rotor counterweight block according to claim 1, which is characterized in that the air guide structure system is formed in the of the body part At one surface and ring wall face.

4. rotor counterweight block according to claim 2 or 3, which is characterized in that each recess system of those air guide structures is to hand over Mistake arrangement or array arrangement any one kenel and be laid at the ring wall face of the body part；And those recess systems are with comprehensive or office Any one kenel in portion and be laid at the ring wall face of the body part.

5. rotor counterweight block according to claim 2 or 3, which is characterized in that each recess system of those air guide structures is to put It penetrates shape arrangement or any one kenel being staggered and is laid at the first surface of the body part；And those recess systems are with comprehensive Or part any one kenel and be laid at the first surface of the body part.

6. rotor counterweight block according to claim 1, which is characterized in that each recess system of those air guide structures is phase similar shape The geometry of any one of shape or non-equal shape or its be collocated with each other and presented.

7. rotor counterweight block according to claim 6, which is characterized in that respectively its bottom face system of the recess with concave arc shape or puts down Any one of planar is presented；And the geometry system that those recesses are presented is round, oval, polygon or irregular shape Any one of shape.

8. rotor counterweight block according to claim 1, which is characterized in that its overall appearance profile system of the body part is with semicircle Ring-type is presented；And the body part be further equipped with plurality of through holes, be located at the first surface and through this second Surface is presented.

9. a kind of motor, which is characterized in that being includes: stator, rotor and the rotor as described in any one of claims 1 to 8 Clump weight.

10. a kind of compressor, which is characterized in that be including motor as claimed in claim 9.