CN206035822U - Scroll compressor and compressing mechanism, move vortex dish and prevent rotation device thereof - Google Patents

Abstract

The utility model discloses a scroll compressor and compressing mechanism, move vortex dish and prevent rotation device thereof. Should move the vortex dish and prevent that the rotation device includes the ring body, and be formed with two the 1st slide steering faces that are parallel to each other on the circumference inner wall of ring body, and be formed with two the 2nd slide steering faces that are parallel to each other on the circumference outer wall of ring body, a slide steering face is perpendicular with the 2nd slide steering face. Because the utility model discloses a flat structure, use the utility model provides a structure is more reliable, and processing technology is good, the process is few, and the assembly is got up also simplyr, has improved production efficiency, easily mass production. In addition, through above -mentioned technical scheme, not only improved the intensity of preventing the rotation device, made its atress working face be great plane, can effectively increase the lifting surface area moreover, reduce the atress to warp and wear and tear to the realization is moved, the function of stationary scroll compression refrigerant, can effectively improve scroll compressor's reliability of operation.

Description

Screw compressor and its compression mechanism, orbiter anti-self-rotating mechanism

Technical field

This utility model is related to compressor field, in particular to a kind of screw compressor and its compression mechanism, dynamic whirlpool Capstan anti-self-rotating mechanism.

Background technology

Screw compressor because its efficiency high, small volume, light weight, operate steadily the features such as be widely used in refrigeration air-conditioner With the field such as heat pump.

In general, screw compressor is by closed shell, fixed scroll, orbiter, support, bent axle, anti-rotation mechanism Constitute with motor, wherein, orbiter, the molded line of fixed scroll are spiral types, and orbiter is with respect to fixed scroll bias simultaneously 180 ° of installations of difference.Then, multiple meniscate spaces are defined between dynamic and static scroll plate.Therefore, in orbiter with quiet whirlpool The center of capstan is center of rotation when making the revolution translation without rotation with certain radius of turn, and outer ring crescent-shaped space will Constantly move to center, then coolant is gradually pushed to central space, its volume constantly reduces and pressure is constantly raised, until with Central exhaust port is communicated, and high pressure refrigerant is discharged the pump housing, completes compression process.

In prior art, Moving plate anti-self-rotating mechanism adopts the bond structure with two vertical pairs distribution, therefore the chi of key mostly Very little meeting is limited by structure, causes intensity relatively low, and key requires also very high with keyway arrangements quality of fit.In addition, vertical distribution Key machining accuracy difficulty it is larger, structure is relative complex, and cost is also higher.

Utility model content

A kind of screw compressor and its compression mechanism, orbiter anti-self-rotating mechanism are provided in this utility model embodiment, To solve prior art using intensity during bond structure is relatively low, key and keyway quality of fit have high demands, and the key processing of vertical distribution Precision difficulty is larger, structure is relative complex, relatively costly problem.

For achieving the above object, this utility model embodiment provides a kind of orbiter anti-self-rotating mechanism, including ring body, ring Two the first slide-and-guide faces being parallel to each other are formed with the inner circumferential wall of body, are formed with the peripheral outer wall of ring body mutually flat Two capable the second slide-and-guide faces, the first slide-and-guide face are vertical with the second slide-and-guide face.

Preferably, ring body includes first end face and second end face, ring is offered in first end face and/or second end face Groove, is provided with sealing ring in annular groove.

Preferably, the center pair of two the first slide-and-guide faces and/or two the second slide-and-guide faces relative to ring body Claim or asymmetricly arrange.

This utility model additionally provides a kind of compression mechanism of screw compressor, including the anti-rotation dress of above-mentioned orbiter Put.

Preferably, compression mechanism also includes orbiter and upper bracket, orbiter is by the anti-rotation dress of orbiter Put and be connected with upper bracket.

Preferably, two are formed with the peripheral outer wall of orbiter for being slidably matched with the first slide-and-guide face Moving plate slide-and-guide face；One end of upper bracket is formed with depressed part, is formed with two for in the inner circumferential wall of depressed part The bracket slide spigot surface that two slide-and-guide faces are slidably matched；Orbiter anti-self-rotating mechanism is movably mounted in depressed part, The ring body of orbiter anti-self-rotating mechanism is enclosed within the outside of orbiter and positioned at position corresponding with Moving plate slide-and-guide face Place.

Preferably, orbiter includes scrollwork, substrate, slide plate and bearing block, wherein, scrollwork is connected with the first side of substrate Connect, the second side of substrate is connected with one end of bearing block by slide plate, and Moving plate slide-and-guide face is formed on slide plate.

Preferably, the center of the depressed part of upper bracket is formed with for installing the bearing block installing hole of bearing block, on Support also includes the supporting surface away from bearing block installing hole side positioned at depressed part, and supporting surface is around the outer circumferential of depressed part Arrange, on the supporting surface that the substrate of orbiter is supported on.

Preferably, upper bracket also includes collar flange, collar flange is installed away from bearing block along the outer circumference of supporting surface The direction in hole is protrusively provided.

Preferably, orbiter includes scrollwork, substrate and bearing block, wherein, scrollwork is vertical with the first side of substrate to be connected Connect, the second side of substrate is connected with one end of bearing block, Moving plate slide-and-guide face is formed on substrate.

Preferably, the center of the depressed part of upper bracket is formed with for installing the bearing block installing hole of bearing block, and Connected by stepped hole transition between depressed part and bearing block installing hole；Orbiter anti-self-rotating mechanism is supported on the bottom of depressed part On portion's supporting surface, the substrate of orbiter is supported on the bottom supporting face of stepped hole.

Preferably, orbiter includes scrollwork, substrate, bearing block and slide plate, wherein, scrollwork passes through substrate and bearing block One end connection, the other end of bearing block is connected with the end face of slide plate, and Moving plate slide-and-guide face is formed on slide plate.

Preferably, one end of the depressed part of upper bracket extends to be formed for accommodating bearing block towards the direction near scrollwork Bearing block installing hole, the substrate of orbiter is supported on the end face away from depressed part of bearing block installing hole.

Preferably, peace in the annular groove of the direction of the ring body of the orbiter anti-self-rotating mechanism orbiter side Sealing structure, and the center of the sealing ring are formed between the sealing ring of dress and the orbiter in the anti-rotation of the orbiter Center superposition in the rotation process of device all the time with the orbiter.

This utility model additionally provides a kind of screw compressor, including above-mentioned compression mechanism.

It is as this utility model employs slab construction, relatively reliable using the structure in this utility model, processing technique Good, operation is few, assembles up also simpler, improves production efficiency, it is easy to produce in enormous quantities.Additionally, by above-mentioned technology Scheme, not only increases the intensity of anti-self-rotating mechanism so as to which stress acting surface is larger plane, and can effectively increase and receive Power area, reduction stress deformation and abrasion, so as to realize the function of dynamic and static scroll plate compression refrigerant, can effectively improve scroll compression The reliability of operation of contracting machine.

Description of the drawings

Fig. 1 is the structural representation of the ring body of this utility model embodiment；

Fig. 2 is the structural representation of another angle of the ring body of this utility model embodiment；

Fig. 3 is the top view of the ring body of this utility model embodiment；

Fig. 4 is the A-A sectional views of Fig. 3 of this utility model embodiment；

Fig. 5 is the exploded view of the orbiter anti-self-rotating mechanism of this utility model embodiment；

Fig. 6 is the structural representation of the orbiter in the first embodiment of this utility model embodiment；

Fig. 7 is the structural representation of another angle of the orbiter in the first embodiment of this utility model embodiment；

Fig. 8 is the structural representation of the upper bracket in the first embodiment of this utility model embodiment；

Fig. 9 is the structural representation of the orbiter in the second embodiment of this utility model embodiment；

Figure 10 is the structural representation of another angle of the orbiter in the second embodiment of this utility model embodiment；

Figure 11 is the structural representation of another angle of the orbiter in the second embodiment of this utility model embodiment；

Figure 12 is the structural representation of the orbiter in the 3rd embodiment of this utility model embodiment；

Figure 13 is the structural representation of another angle of the orbiter in the 3rd embodiment of this utility model embodiment；

Figure 14 is the structural representation of another angle of the orbiter in the 3rd embodiment of this utility model embodiment；

Figure 15 is the structural representation of the screw compressor of this utility model embodiment.

Description of reference numerals：1st, the first slide-and-guide face；2nd, the second slide-and-guide face；3rd, annular groove；4th, sealing ring；5th, move whirlpool Capstan；6th, Moving plate slide-and-guide face；7th, bracket slide spigot surface；8th, scrollwork；9th, substrate；10th, slide plate；11st, bearing block；12nd, axle Bearing installing hole；13rd, supporting surface；14th, collar flange；15th, bottom supporting surface；16th, bottom supporting face；17th, orbiter is anti-certainly Rotary device；18th, upper bracket；19th, motor；20th, bent axle；21st, suction nozzle；22nd, upper lid；23rd, lower cover；24th, housing；25th, exhaustor； 26th, fixed scroll.

Specific embodiment

This utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings, but not as to this practicality New restriction.

As shown in Figures 1 to 5, the orbiter anti-self-rotating mechanism in this utility model includes that one is in flat structure Ring body, the central axially disposed of ring body have opening, and two first cunnings being parallel to each other are formed in the inner circumferential wall of the opening Action-oriented face 1；Additionally, in the peripheral outer wall of ring body, then forming two the second slide-and-guide faces 2 being parallel to each other, and One slide-and-guide face 1 is vertical with the second slide-and-guide face 2.

As the first slide-and-guide face 1 and the second slide-and-guide face 2 are vertically arranged, therefore, it is dynamic in this utility model Scroll plate anti-self-rotating mechanism in two dimensional surface can provide slip by the first slide-and-guide face 1 and the second slide-and-guide face 2 and lead To, correspondingly, can be respectively provided with orbiter and upper bracket that orbiter anti-self-rotating mechanism connects it is corresponding slide Spigot surface.So, in bent axle rotary course, the anti-self-rotating mechanism in this utility model does reciprocating linear fortune with respect to orbiter Dynamic, the second slide-and-guide of two on the outside of anti-self-rotating mechanism face is then bonded to each other and relative with the two of upper bracket slide-and-guide faces Upper bracket does linear reciprocating motion, so that orbiter will not rotation during bent axle rotation.

As a result of above-mentioned slab construction, relatively reliable using the structure in this utility model, processing technique is good, operation It is few, assemble up also simpler, improve production efficiency, it is easy to produce in enormous quantities.Additionally, pass through above-mentioned technical proposal, no But improve the intensity of anti-self-rotating mechanism so as to which stress acting surface is larger plane, and effectively can increase lifting surface area, Reduce stress deformation and abrasion, so as to realize the function of dynamic and static scroll plate compression refrigerant, the fortune of screw compressor can be effectively improved Capable reliability.

Preferably, ring body includes first end face and second end face, in first end face and/or second end face offers annular groove 3, sealing ring 4 is installed in annular groove 3, wherein, it is high-pressure side that sealing ring 4 is formed on the inside of the high-low pressure compartment, i.e. sealing member, close It is low-pressure side on the outside of seal.Preferably, in the annular groove 3 towards 5 side of orbiter of the ring body of orbiter anti-self-rotating mechanism A close structure envelope is formed between the sealing ring 4 and orbiter 5 of installation, and the center of the sealing ring 4 is anti-certainly in orbiter Center superposition in the rotation process of rotary device all the time with orbiter 5.So, sealing ring is moved with anti-self-rotating mechanism, And center is overlapped all the time with orbiter center, i.e., back pressure has servo-actuated function, it is ensured that active force upwards is made with joint efforts all the time Used in orbiter center, it is ensured that sealing effectiveness upwards, the overturning effect of orbiter is reduced.

Preferably, two the first slide-and-guide faces 1 and/or two the second slide-and-guide faces 2 relative to ring body center not But can be symmetrically arranged, can also be in the form of asymmetric setting.

As a result of above-mentioned technical proposal, under the constraint of anti-self-rotating mechanism of the orbiter in this utility model, can The effect of anti-arresting disc rotation is reached, i.e., can only do revolution translation.

This utility model additionally provides a kind of compression mechanism of screw compressor, including the anti-rotation dress of above-mentioned orbiter Put 17.Usually, the compression mechanism includes orbiter 5 and upper bracket 18, wherein, orbiter 5 is anti-certainly by orbiter Rotary device is connected with upper bracket 18.

It is highly preferred that two parallel Moving plate slide-and-guide faces 6 in the peripheral outer wall of orbiter 5, are formed with, its difference It is slidably matched with this two the first slide-and-guide faces 1.Meanwhile, a depressed part is formed in upper bracket 18, the depressed part is in week Two bracket slide spigot surfaces 7 for being slidably matched with the second slide-and-guide face 2 are formed on inward wall.Two Moving plates slide and lead It is equal with the distance between two the first slide-and-guide faces to the distance between face 6, between two bracket slide spigot surfaces 7 away from From equal with the distance between two the second slide-and-guide faces, to realize respectively being oriented to laminating, wherein, orbiter is prevented certainly relatively The reciprocating distance of rotary device and anti-self-rotating mechanism are the inclined of compressor crank shaft with respect to the reciprocating distance of upper bracket Heart amount.

During installation, orbiter anti-self-rotating mechanism can be movably mounted in depressed part, make the first slide-and-guide face 1 with Fit in Moving plate slide-and-guide face 6；Then, the ring body of orbiter anti-self-rotating mechanism is enclosed within into the outside of orbiter 5 and is located at At 6 corresponding position of Moving plate slide-and-guide face, so that the second slide-and-guide face 2 is fitted with bracket slide spigot surface 7.So, May be implemented in the two dimension slip on XY directions.

More specifically, this utility model is there is provided three preferred embodiments shown in Fig. 6 to Figure 14, preferably to implement The compression mechanism.

Fig. 6 to Fig. 8 shows the structural representation of first embodiment.As shown in Figure 6 to 7, it is dynamic in this utility model Scroll plate 5 can include scrollwork 8, substrate 9, slide plate 10 and bearing block 11, wherein, scrollwork 8 is vertically connected with the first side of substrate 9 Connect, the second side of substrate 9 is connected by slide plate 10 is vertical with one end of bearing block 11, and substrate 9 is abreast arranged with slide plate 10, and Radial dimension of the radial dimension of substrate 9 more than slide plate 10, in this embodiment, Moving plate slide-and-guide face 6 is formed in slide plate 10 On.

In order to realize coordinating with the orbiter 5 in Fig. 6 and Fig. 7, the upper bracket 18 in this utility model is using shown in Fig. 8 Structure.As shown in figure 8, upper bracket 18 forms a bearing block for being used to install bearing block 11 in the center of depressed part installing Hole 12, wherein, the end face away from 12 side of bearing block installing hole of depressed part forms a supporting surface 13, i.e. supporting surface 13 and surrounds The outer circumferential of depressed part is arranged, so, on the supporting surface 13 that the substrate 9 of orbiter 5 is supported on during installation.It is highly preferred that Upper bracket 18 also have a collar flange 14, the collar flange 14 along supporting surface 13 outer circumference away from bearing block installing hole 12 Direction be protrusively provided.

Fig. 9 to Figure 11 shows the structural representation of second embodiment.As shown in Fig. 9 to Figure 10, orbiter 5 can also be wrapped Scrollwork 8, substrate 9 and bearing block 11 are included, wherein, scrollwork 8 is vertical with the first side of substrate 9 to be connected, the second side of substrate 9 and bearing One end of seat 11 vertically connects, and Moving plate slide-and-guide face 6 is then formed on substrate 9.

Correspondingly, the structure in Figure 11 can be adopted with the orbiter 5 in Fig. 9 and Figure 10.As shown in figure 11, upper bracket 18 A bearing block installing hole 12 is formed in the center of depressed part, which is used to install bearing block 11.Additionally, in depressed part and bearing A stepped hole is arranged between seat installing hole 12 carries out transition.During installation, orbiter anti-self-rotating mechanism is supported on depressed part On bottom supporting surface 15, the substrate 9 of orbiter 5 is then may be supported on the bottom supporting face 16 of stepped hole.

Figure 12 to Figure 13 shows the structural representation of 3rd embodiment.As shown in Figure 12 to Figure 13, orbiter 5 can be wrapped Include scrollwork 8, substrate 9, bearing block 11 and slide plate 10.Wherein, scrollwork 8 is vertically connected with one end of bearing block 11 by substrate 9, The other end of bearing block 11 is then vertical with the end face of slide plate 10 to be connected, and Moving plate slide-and-guide face 6 is formed on slide plate 10.

Correspondingly, the structure in Figure 14 can be adopted with the orbiter 5 in Figure 12 and Figure 13.As shown in figure 14, here reality Apply in example, one end of the depressed part of upper bracket 18 is used to accommodate bearing towards extending near the direction of scrollwork 8 so as to form one The bearing block installing hole 12 of seat 11, and the substrate 9 of orbiter 5 is then supported on the end away from depressed part of bearing block installing hole 12 On face.

By the effect of contraction of the anti-self-rotating mechanism in above three embodiment in this utility model, do can orbiter Revolution translation, then coordinate fixed scroll, you can realize refrigerant compression.

This utility model additionally provides a kind of screw compressor, including above-mentioned compression mechanism.For example, Figure 15 shows this A kind of structural representation of the screw compressor in utility model.As shown in figure 15, screw compressor includes sealing container, at this Compression mechanism and drive division are provided with sealed window.Wherein, sealing container is made up of upper lid 22, lower cover 23 and housing 24. In this embodiment, using the compression mechanism in the various embodiments described above, drive division is mainly by motor 19 and 20 structure of bent axle for compression mechanism Into.

In the course of the work, orbiter 5 is driven to operate by drive division, which is intermeshed with fixed scroll 26, so as to shape Into meniscate compression chamber.As the rotation of bent axle 20, cold-producing medium enter the suction muffler of compression mechanism through suction nozzle 21, whirlpool is moved Capstan 5 continues to make revolution translation and keep good engagement with fixed scroll 26 all the time.As suction muffler is constantly in The heart is elapsed, and its volume constantly reduces, and the pressure in which is constantly compressed.

When compression is up to predetermined compression ratio, cold-producing medium is discharged by the center air vent of fixed scroll 26, is held into sealing The upper space of device, Jing fixed scrolls 26 enter the space on 19 top of motor and seal with the exhaust passage of upper bracket 18 and hold The space of device bottom, so as to cool down to motor 19, then Jing exhaustors 25 are discharged outside compressor.

Certainly, it is more than preferred implementation of the present utility model.It should be pointed out that for the ordinary skill of the art For personnel, on the premise of without departing from this utility model ultimate principle, some improvements and modifications can also be made, these improvement Protection domain of the present utility model is also considered as with retouching.

Claims (15)

1. a kind of orbiter anti-self-rotating mechanism, it is characterised in that including ring body, be formed with phase in the inner circumferential wall of the ring body Mutually two parallel the first slide-and-guide faces (1), are formed with two second cunnings being parallel to each other in the peripheral outer wall of the ring body Action-oriented face (2), the first slide-and-guide face (1) are vertical with the second slide-and-guide face (2).

2. orbiter anti-self-rotating mechanism according to claim 1, it is characterised in that the ring body include first end face and Second end face, offers annular groove (3) in the first end face and/or the second end face, is provided with close in the annular groove (3) Seal (4).

3. orbiter anti-self-rotating mechanism according to claim 1, it is characterised in that described two first slide-and-guide faces (1) and/or described two second slide-and-guide faces (2) relative to the ring body centrosymmetry or asymmetricly arrange.

4. a kind of compression mechanism of screw compressor, it is characterised in that including the dynamic whirlpool any one of claims 1 to 3 Capstan anti-self-rotating mechanism.

5. the compression mechanism of screw compressor according to claim 4, it is characterised in that the compression mechanism also includes dynamic Scroll plate (5) and upper bracket (18), the orbiter (5) is by the orbiter anti-self-rotating mechanism and the upper bracket (18) connect.

6. the compression mechanism of screw compressor according to claim 5, it is characterised in that

Two are formed with the peripheral outer wall of the orbiter (5) for being slidably matched with the first slide-and-guide face (1) Moving plate slide-and-guide face (6)；

One end of the upper bracket (18) is formed with depressed part, be formed with the inner circumferential wall of the depressed part two for institute State the bracket slide spigot surface (7) that the second slide-and-guide face (2) is slidably matched；

The orbiter anti-self-rotating mechanism is movably mounted in the depressed part, the ring of the orbiter anti-self-rotating mechanism Body is enclosed within the outside of the orbiter (5) and at position corresponding with the Moving plate slide-and-guide face (6).

7. the compression mechanism of screw compressor according to claim 6, it is characterised in that the orbiter (5) includes Scrollwork (8), substrate (9), slide plate (10) and bearing block (11), wherein, the scrollwork (8) is connected with the first side of the substrate (9) Connect, the second side of the substrate (9) is connected with one end of the bearing block (11) by the slide plate (10), the Moving plate slides Spigot surface (6) is formed on the slide plate (10).

8. the compression mechanism of screw compressor according to claim 7, it is characterised in that the upper bracket (18) it is described The center of depressed part is formed with for installing the bearing block installing hole (12) of the bearing block (11), the upper bracket (18) Also include the supporting surface (13) away from bearing block installing hole (12) side positioned at the depressed part, the supporting surface (13) Arrange around the outer circumferential of the depressed part, on the supporting surface (13) that the substrate (9) of the orbiter (5) is supported on.

9. the compression mechanism of screw compressor according to claim 8, it is characterised in that the upper bracket (18) also includes Collar flange (14), the collar flange (14) along the supporting surface (13) outer circumference away from the bearing block installing hole (12) Direction be protrusively provided.

10. the compression mechanism of screw compressor according to claim 6, it is characterised in that the orbiter (5) includes Scrollwork (8), substrate (9), and bearing block (11), wherein, the scrollwork (8) is vertical with the first side of the substrate (9) to be connected, institute The second side for stating substrate (9) is connected with one end of the bearing block (11), and the Moving plate slide-and-guide face (6) is formed in the base On plate (9).

The compression mechanism of 11. screw compressors according to claim 10, it is characterised in that the institute of the upper bracket (18) The center for stating depressed part is formed with for installing the bearing block installing hole (12) of the bearing block (11), and the depressed part with Connected by stepped hole transition between the bearing block installing hole (12)；The orbiter anti-self-rotating mechanism is supported on described recessed On the bottom supporting surface (15) in sunken portion, the substrate (9) of the orbiter (5) is supported on the bottom supporting face of the stepped hole (16) on.

The compression mechanism of 12. screw compressors according to claim 6, it is characterised in that the orbiter (5) includes Scrollwork (8), substrate (9), bearing block (11) and slide plate (10), wherein, the scrollwork (8) is by the substrate (9) and the axle One end connection of bearing (11), the other end of the bearing block (11) are connected with the end face of the slide plate (10), and the Moving plate is slided Action-oriented face (6) is formed on the slide plate (10).

The compression mechanism of 13. screw compressors according to claim 12, it is characterised in that the institute of the upper bracket (18) State one end of depressed part to be formed for accommodating the bearing block of the bearing block (11) towards extending near the direction of the scrollwork (8) Installing hole (12), the substrate (9) of the orbiter (5) be supported on the bearing block installing hole (12) away from the depressed part End face on.

The compression mechanism of 14. screw compressors according to claim 5, it is characterised in that the anti-rotation of the orbiter The sealing ring (4) installed in the annular groove (3) of the direction orbiter (5) side of the ring body of device and the orbiter (5) sealing structure is formed between, and the center of the sealing ring (4) is begun in the rotation process of the orbiter anti-self-rotating mechanism Center superposition with the orbiter (5) eventually.

15. a kind of screw compressors, it is characterised in that including the compression mechanism any one of claim 4 to 14.