CN208153324U - Compressor housing and compressor with it - Google Patents

Abstract

The utility model discloses a kind of compressor housing and with its compressor.The compressor housing includes：Enclosure body, integrally extending internally on the inner peripheral surface of enclosure body has demarcation plate, and enclosure body inner space is separated into motor cavity and pump housing chamber positioned at demarcation plate two sides by demarcation plate, and the both ends of enclosure body are respectively formed with motor cavity opening and pump housing chamber opening；Pump housing chamber lid plate and motor cavity cover board, pump housing chamber lid plate and motor cavity cover board are detachably connected to the both ends of enclosure body respectively and close off pump housing chamber opening and motor cavity opening.Compressor housing according to the present utility model, by being integrally provided demarcation plate on the inner peripheral surface of enclosure body, enclosure body can be divided into two cavitys, the opening of two cavitys is away from each other, in this way, the installation of motor and the pump housing in enclosure body is facilitated, while being convenient for measuring the rotating torque of rotor gap and the pump housing, and then is conducive to be promoted the assembly performance of compressor.

Description

Compressor housing and compressor with it

Technical field

The utility model relates to universal machine fields, in particular to a kind of compressor housing and with its compression Machine.

Background technique

The shell structure of existing rotary compressor or be single housing cylinder structure, shell both ends are close by cover board Envelope or two shells (i.e. motor piece housing and pump housing piece housing), which mutually fasten, constitutes seal casinghousing, and two shells Closed position is additionally provided with high-low pressure demarcation plate, in other words, is detachably connected between high-low pressure demarcation plate and two shells, when When motor piece housing and pump housing piece housing are assembled together, it is unable to measure electric machine rotor gap, is also unable to measure turning for the pump housing Kinetic moment also can not just know whether the pump housing is stuck.

Utility model content

The utility model is intended to solve one of above-mentioned technical problem in the prior art at least to a certain extent.For this purpose, The utility model proposes a kind of compressor housings, after the pump housing and motor are assembled in compression case body, can still measure The rotating torque of electric machine rotor gap and the pump housing.

The utility model also proposed a kind of compressor with above-mentioned compressor shell.

Include according to the compressor housing of the utility model embodiment：Enclosure body, on the inner peripheral surface of the enclosure body Integrally extending internally has demarcation plate, and the enclosure body inner space is separated into positioned at the demarcation plate two by the demarcation plate The motor cavity and pump housing chamber of side, the both ends of the enclosure body be respectively formed be connected to the motor cavity motor cavity opening with And the pump housing chamber opening being connected to the pump housing chamber；Pump housing chamber lid plate and motor cavity cover board, the pump housing chamber lid plate and the electricity Machine cavity cover board is detachably connected to the both ends of the enclosure body respectively and closes off the pump housing chamber opening and the electricity Machine cavity opening.

According to the compressor housing of the utility model embodiment, by being integrally provided on the inner peripheral surface of enclosure body point Enclosure body can be divided into two cavitys so that it is convenient to the installation of motor and the pump housing in enclosure body by partition, while conveniently Measure the rotating torque of rotor gap and the pump housing.

Some embodiments according to the present utility model are provided with the connection motor cavity and the pump housing on the demarcation plate The crankshaft through hole of chamber is provided with o-ring groove on the inner hole wall of the crankshaft through hole.

Optionally, the motor cavity is equal with the radial section of pump housing chamber product.

Optionally, the radial section product of the motor cavity is greater than the radial section product of the pump housing chamber.

Further, the outer diameter corresponding with the motor cavity of the enclosure body be greater than the enclosure body with it is described The corresponding outer diameter of pump housing chamber.

Optionally, the motor cavity is conllinear with the central axis of the pump housing chamber.

Optionally, the central axis of the motor cavity and the pump housing chamber is staggered.

Some embodiments according to the present utility model, the crankshaft through hole are conllinear with the central axis of the motor cavity.

Some embodiments according to the present utility model are provided with evacuation chamfering on the demarcation plate, and the evacuation chamfering is set It sets in the side towards the pump housing chamber of the demarcation plate.

According to the compressor of the utility model another aspect embodiment, including：Above-mentioned compressor housing；Motor, it is described Motor is arranged in the motor cavity, and the motor includes stator and rotor；The pump housing, the pump housing are arranged in the pump housing chamber Interior, the pump housing includes：Cylinder assembly, crankshaft, first bearing and second bearing, the first bearing and the second bearing are matched It closes in the two sides of the cylinder assembly, the crankshaft runs through the cylinder assembly, and the crankshaft is extend into the motor cavity To be connected with the rotor.

Further, the first bearing is arranged adjacent to the demarcation plate, and the first bearing includes：Body part and wheel Hub, the hub portion is provided with sealing ring for supporting between the crankshaft and the hub portion and the demarcation plate, described Sealing ring is suitable for being arranged in the o-ring groove on the demarcation plate.

Optionally, the junction of the hub portion and the body part is provided with the transition part of thickening, and the transition part is suitable It is matched in the evacuation chamfering on the demarcation plate.

Some embodiments according to the present utility model are provided with spring bearing on the motor cavity cover board, and the crankshaft is stretched Enter one end in the motor cavity to be supported in the spring bearing.

Further, the part that the crankshaft is located in the motor cavity is formed with shaft shoulder face, the shaft shoulder face with it is described The spring covered on the crankshaft is flexibly provided between spring bearing.

Some embodiments according to the present utility model, the compressor further include：Fastener, the fastener are used for institute It states motor cavity cover board and the pump housing chamber lid plate is fixed in the enclosure body.

Detailed description of the invention

Fig. 1 is first embodiment schematic diagram of compressor housing；

Fig. 2 is second embodiment schematic diagram of compressor housing；

Fig. 3 is the third embodiment schematic diagram of compressor housing；

Fig. 4 is the schematic diagram of compressor.

Appended drawing reference：

Compressor 100, compressor housing 10, enclosure body 1, demarcation plate 11, crankshaft through hole 111, o-ring groove 112, evacuation chamfering 113, motor cavity 12, pump housing chamber 13, pump housing chamber lid plate 2, second bearing matching hole 21, second bearing sealing are recessed Slot 22, motor cavity cover board 3, spring bearing matching hole 31, motor 20, stator 201, rotor 202, cylinder assembly 301, cylinder 3011, partition 3012, piston 3013, slide plate 3014, crankshaft 302, shaft shoulder face 3021, oil duct 3022, eccentric part 3023, first axle Hold 303, body part 3031, hub portion 3032, transition part 3033, second bearing 304, spring bearing 40, spring 50.

Specific embodiment

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model Limitation.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be Mechanical connection is also possible to be electrically connected or can communicate with each other；It can be directly connected, the indirect phase of intermediary can also be passed through Even, the connection inside two elements or the interaction relationship of two elements be can be.For those of ordinary skill in the art For, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.

Below with reference to Fig. 1-Fig. 4 detailed description according to the compressor housing 10 of the utility model embodiment.

Referring to Fig.1 shown in-Fig. 3, include according to the compressor housing 10 of the utility model embodiment：Enclosure body 1, the pump housing Chamber lid plate 2 and motor cavity cover board 3.

Wherein, integrally extending internally on the inner peripheral surface of enclosure body 1 has demarcation plate 11, and the extending direction of demarcation plate 11 can With vertical with the axis direction of enclosure body 1.The inner space of enclosure body 1 is separated into positioned at 11 liang of demarcation plate by demarcation plate 11 The motor cavity 12 and pump housing chamber 13 of side, as shown in Figure 1-Figure 3, the left side of demarcation plate 11 is pump housing chamber 13, and the pump housing is adapted to mount to In pump housing chamber 13, the right side of demarcation plate 11 is motor cavity 12, and motor 20 is adapted to mount in motor cavity 12.

The both ends of enclosure body 1 are respectively formed with the motor cavity opening being connected to motor cavity 12 and are connected to pump housing chamber 13 The pump housing chamber opening.In other words, the both ends of enclosure body 1 are arranged in motor cavity opening and pump housing chamber opening, and motor cavity is open Away from each other with the opening of pump housing chamber opening, motor 20 enters in motor cavity 12 through motor cavity opening, and the pump housing is open through pump housing chamber Into in pump housing chamber 13, the installation of motor 20 and the pump housing in enclosure body 1 is thereby facilitated.

Pump housing chamber lid plate 2 and motor cavity cover board 3 are detachably connected to the both ends of enclosure body 1, and pump housing chamber lid respectively Plate 2 is for closing pump housing chamber opening, and motor cavity cover board 3 is for closing motor cavity opening.It assembles by motor 20, the pump housing in shell After in ontology 1, the both ends of enclosure body 1 are closed using pump housing chamber lid plate 2 and motor cavity cover board 3, just obtain one it is closed Compressor 100.User can check the stator 201 of motor 20 and turn before assembly pump housing chamber lid plate 2 and motor cavity cover board 3 Sub 202 gaps, while the rotating torque of the pump housing can be measured, prevent the pump housing stuck, it is ensured that pump housing operation is smooth.Subsequent pump body cavity The assembly manipulation of cover board 2 and motor cavity cover board 3, will not influence stator 201 and rotor 202 concentricity and the pump housing it is smooth Property.

Between pump housing chamber lid plate 2 and enclosure body 1, between motor cavity cover board 3 and enclosure body 1 be to be detachably connected, In this way, user can at any time overhaul motor 20, the pump housing, it, can also be by dismantling motor in motor 20, pump housing damage Chamber lid plate 3 and pump housing chamber lid plate 2 achieve the purpose that replace damaged components.

According to the compressor housing 10 of the utility model embodiment, by integrally being set on the inner peripheral surface of enclosure body 1 Demarcation plate 11 is set, enclosure body 1 can be divided to for two cavitys (i.e. motor cavity 12 and pump housing chamber 13), the opening of two cavitys deviates from Each other so that it is convenient to the installation of motor 20 and the pump housing in enclosure body 1, while being convenient for measuring between stator 201 and rotor 202 The rotating torque of gap and the pump housing, and then be conducive to be promoted the assembly performance of compressor 100.

Crankshaft through hole 111 is provided on demarcation plate 11, motor cavity 12 is connected by crankshaft through hole 111 with pump housing chamber 13 It is logical, o-ring groove 112 is provided on the inner hole wall of crankshaft through hole 111, the diameter of o-ring groove 112 is penetrated through greater than crankshaft The diameter in hole 111, sealing ring are at least partially disposed in o-ring groove 112.In Figs. 1-4, o-ring groove 112 is equal Motor cavity 12 to be biased to be arranged, the position of certain o-ring groove 112 is without being limited thereto, in some unshowned embodiments, sealing Circle groove 112 can also be biased to the setting of pump housing chamber 13, or be centrally located.

Motor cavity 12 and pump housing chamber 13 can be cylindrical cavity, in the embodiment shown in fig. 1, motor cavity 12 and pump housing chamber 13 radial section product is equal, in this way, the structure of enclosure body 1 is simple, is conducive to the manufacturing procedure for simplifying enclosure body 1, section About machining period.

In Fig. 2-embodiment shown in Fig. 4, the radial section product of motor cavity 12 is greater than the radial section product of pump housing chamber 13, Larger sized motor 20 can be accommodated in motor cavity 12 as a result,.

Further, enclosure body 1 is corresponding with pump housing chamber 13 greater than enclosure body 1 with the corresponding outer diameter of motor cavity 12 Outer diameter, enclosure body 1 present segmented contour structures.

In Fig. 1-embodiment shown in Fig. 2, motor cavity 12 is conllinear with the central axis of pump housing chamber 13.

In Fig. 3-embodiment shown in Fig. 4, motor cavity 12 and the central axis of pump housing chamber 13 are staggered, and pump housing chamber 13 Central axis is deviated towards oil sump side (i.e. downside in Fig. 3).

In Fig. 1-embodiment shown in Fig. 4, crankshaft through hole 111 is conllinear with the central axis of motor cavity 12.

In some embodiments, motor cavity 12 and pump housing chamber 13 are also possible to non-cylindrical cavity.

Referring to Fig.1 shown in-Fig. 3, evacuation chamfering 113 is provided on demarcation plate 11, evacuation chamfering 113 is arranged in demarcation plate 11 The side towards pump housing chamber 13, and avoid chamfering 113 central axis it is conllinear with the central axis of crankshaft through hole 111.

Referring to shown in Fig. 3-Fig. 4, the compressor 100 according to the utility model another aspect embodiment may include：Motor 20, the compressor housing 10 of the pump housing and above-described embodiment.

Motor 20 is arranged in motor cavity 12, and motor 20 includes stator 201 and rotor 202, and rotor 202 can be relative to fixed Son 201 rotates.Motor 20 and the pump housing are arranged in compressor housing 10, and the pump housing and motor 20 are being assembled to compressor After in the enclosure body 1 of shell 10, and at the both ends that motor cavity cover board 3 and pump housing chamber lid plate 2 are assembled to enclosure body 1 Before, the stator 201 and the rotating torque in 202 gap of rotor and the pump housing of motor 20 can still be measured.

The pump housing is arranged in pump housing chamber 13, and the pump housing includes：Cylinder assembly 301, crankshaft 302, first bearing 303 and second Bearing 304, first bearing 303 and the cooperation of second bearing 304 are in the two sides of cylinder assembly 301, as shown in figure 4, first bearing 303 The right side of cylinder assembly 301 is set, and the left side of cylinder assembly 301 is arranged in second bearing 304.First bearing 303 and second Bearing 304 is used to support crankshaft 302, and crankshaft 302 runs through cylinder assembly 301, and crankshaft 302 is extend into motor cavity 12, so as to It is connected in crankshaft 302 with rotor 202, to realize the connection of the pump housing Yu motor 20.In this way, after being powered up, motor 20 The pump housing can be delivered power to, so that compressor 100 realizes compressed action.

Specifically, cylinder assembly 301 may include one or more cylinders 3011, and in Fig. 4, cylinder assembly 301 includes Two cylinders 3011, and partition 3012 is equipped between two neighboring cylinder 3011.Slide plate 3014 is placed in the sliding vane groove of cylinder 3011 Interior, crankshaft 302 has eccentric part 3023, and piston 3013 is assemblied on the eccentric part 3023 of crankshaft 302, piston 3013, slide plate 3014 and cylinder 3011 assemble after constitute compression chamber, when compressor 100 work when, driving backspin of the crankshaft 302 in motor 20 Turning, the eccentric part 3023 of crankshaft 302 is rotated with piston 3013 around 3011 axis of cylinder, as crankshaft 302 rotates, compression chamber Volume generating period variation, to realize compression process.

Second bearing matching hole 21 is provided on pump housing chamber lid plate 2, second bearing 304 is arranged in second bearing matching hole 21 It is interior.Second bearing sealed groove 22 is provided in second bearing matching hole 21, sealing ring is at least partially disposed on second bearing In sealed groove 22, it is possible thereby to realize the sealing between second bearing 304 and second bearing matching hole 21.

The middle part of crankshaft 302 is provided with the hollow oil duct 3022 extended along 302 axis direction of crankshaft, 13 bottom of pump housing chamber oil Oil liquid in pond is through the oil duct 3022 in cylinder assembly 301, second bearing 304, crankshaft 302, into motor cavity 12, motor cavity 12 Interior oil liquid returns in pump housing chamber 13 through the inlet hole (not shown) on demarcation plate 11 again, is achieved in oil liquid in shell Circulation.

Further, as shown in figure 4,303 adjacent divider 11 of first bearing is arranged, and first bearing 303 includes：Ontology Portion 3031 and hub portion 3032, the diameter of body part 3031 are greater than the diameter of hub portion 3032, and hub portion 3032 is for supporting song Axis 302, and sealing ring is provided between hub portion 3032 and demarcation plate 11, sealing ring is suitable for being arranged on demarcation plate 11 In o-ring groove 112, it is possible thereby to realize the sealing between crankshaft through hole 111 and hub portion 3032, it is also achieved that electricity Sealing between machine cavity 12 and pump housing chamber 13, so that motor cavity 12 and pump housing chamber 13 preferably be kept apart.As shown in figure 4, wheel The right end of hub 3032 and crankshaft 302 both passes through the crankshaft through hole 111 on demarcation plate 11, and then extend into motor cavity 12.

Optionally, the junction of hub portion 3032 and body part 3031 is provided with the transition part 3033 of thickening, passes through setting Transition part 3033, can increase the strength and stiffness of first bearing 303, and transition part 3033 is suitable for falling with the evacuation on demarcation plate 11 Angle 113 matches.Avoiding chamfering 113 can be 3033 slot milling of transition part, to avoid first bearing 303 and demarcation plate 11 It interferes.Meanwhile evacuation chamfering 113 is set, also help the weight for mitigating compressor housing 10.

Referring to shown in Fig. 4, spring bearing 40 is provided on motor cavity cover board 3, specifically, the direction of motor cavity cover board 3 Spring bearing matching hole 31 is provided on the surface of motor cavity 12, spring bearing 40 is arranged in spring bearing matching hole 31.It is bent One end (i.e. the right end of crankshaft 302) that axis 302 protrudes into motor cavity 12 is supported in the spring bearing 40, thus can make crankshaft 302 rotation is more steady.

Further, the part that crankshaft 302 is located in motor cavity 12 is formed with shaft shoulder face 3021, shaft shoulder face 3021 and support The spring 50 covered on crankshaft 302 is flexibly provided between bearing 40.As shown in figure 4, the left end of spring 50 is resisted against the shaft shoulder On face 3021, the right end of spring 50 is resisted against on the inner ring left side of spring bearing 40, and spring 50 is in compressive state, this Sample, spring 50 can be applied to 40 1 elastic force of crankshaft 302 and spring bearing, that is to say, that 50 moment of spring compresses song to the left Axis 302 compresses to the right spring bearing 40, it is possible thereby to reduce left and right play of the crankshaft 302 in compressor housing 10, to be promoted The runnability of compressor 100.

Compressor 100 can also include fastener, and fastener is for motor cavity cover board 3 and pump housing chamber lid plate 2 to be fixed on In enclosure body 1, in a particular embodiment, fastener is screw.The pump housing is mounted in pump housing chamber 13, motor 20 is mounted on It is bonded in motor cavity 12 and then by motor cavity cover board 3 with the motor cavity of enclosure body 1 opening, pump housing chamber lid plate 2 and shell sheet The pump housing chamber of body 1, which is open, to be bonded, to constitute closed compressor 100.

In compressor 100 shown in Fig. 4, motor cavity 12 and the central axis of pump housing chamber 13 are staggered, and pump housing chamber 13 Central axis is deviated towards oil sump side, can reduce the stretching rate of slide plate 3014 in this way, improves the discharge capacity of cylinder 3011, compression The performance of machine 100 can also be relatively reliable.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means particular features, structures, materials, or characteristics described in conjunction with this embodiment or example It is contained at least one embodiment or example of the utility model.In the present specification, schematic expression of the above terms Necessarily it is directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be It can be combined in any suitable manner in any one or more embodiment or examples.In addition, those skilled in the art can be by this Different embodiments or examples described in specification are engaged and are combined.

Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model Inside it can make changes, modifications, alterations, and variations to the above described embodiments.

Claims (15)

1. a kind of compressor housing, which is characterized in that including：

Enclosure body, integrally extending internally on the inner peripheral surface of the enclosure body has demarcation plate, and the demarcation plate is by the shell Body body interior space is separated into motor cavity and pump housing chamber positioned at the demarcation plate two sides, the both ends difference of the enclosure body The pump housing chamber opening for being formed with the motor cavity opening being connected to the motor cavity and being connected to the pump housing chamber；

Pump housing chamber lid plate and motor cavity cover board, the pump housing chamber lid plate and the motor cavity cover board are detachably connected to institute respectively It states the both ends of enclosure body and closes off the pump housing chamber opening and motor cavity opening.

2. compressor housing according to claim 1, which is characterized in that be provided with the connection motor on the demarcation plate The crankshaft through hole of chamber and the pump housing chamber is provided with o-ring groove on the inner hole wall of the crankshaft through hole.

3. compressor housing according to claim 1, which is characterized in that the radial direction of the motor cavity and the pump housing chamber is cut Area equation.

4. compressor housing according to claim 1, which is characterized in that the radial section product of the motor cavity is greater than described The radial section product of pump housing chamber.

5. compressor housing according to claim 4, which is characterized in that the enclosure body it is corresponding with the motor cavity Outer diameter be greater than the enclosure body outer diameter corresponding with the pump housing chamber.

6. compressor housing according to claim 3 or 4, which is characterized in that in the motor cavity and the pump housing chamber Heart axis collinear.

7. compressor housing according to claim 1, which is characterized in that the central axis of the motor cavity and the pump housing chamber Line is staggered.

8. compressor housing according to claim 2, which is characterized in that in the crankshaft through hole and the motor cavity Heart axis collinear.

9. compressor housing according to claim 1, which is characterized in that be provided with evacuation chamfering, institute on the demarcation plate State the side towards the pump housing chamber that the demarcation plate is arranged in evacuation chamfering.

10. a kind of compressor, which is characterized in that including：

Compressor housing as claimed in any one of claims 1-9 wherein；

Motor, the motor are arranged in the motor cavity, and the motor includes stator and rotor；

The pump housing, the pump housing setting is intracavitary in the pump housing, and the pump housing includes：Cylinder assembly, crankshaft, first bearing and second In the two sides of the cylinder assembly, the crankshaft runs through the cylinder for bearing, the first bearing and second bearing cooperation Component, and the crankshaft is extend into the motor cavity to be connected with the rotor.

11. compressor according to claim 10, which is characterized in that the first bearing is arranged adjacent to the demarcation plate, And the first bearing includes：Body part and hub portion, the hub portion is for supporting the crankshaft and the hub portion and institute It states and is provided with sealing ring between demarcation plate, the sealing ring is suitable for being arranged in the o-ring groove on the demarcation plate.

12. compressor according to claim 11, which is characterized in that the hub portion and the junction of the body part are set It is equipped with the transition part of thickening, the transition part is suitable for matching with the evacuation chamfering on the demarcation plate.

13. compressor according to claim 10, which is characterized in that it is provided with spring bearing on the motor cavity cover board, One end that the crankshaft protrudes into the motor cavity is supported in the spring bearing.

14. compressor according to claim 13, which is characterized in that the crankshaft is located at the part shape in the motor cavity At there is shaft shoulder face, the spring covered on the crankshaft is flexibly provided between the shaft shoulder face and the spring bearing.

15. compressor according to claim 10, which is characterized in that further include：Fastener, the fastener are used for institute It states motor cavity cover board and the pump housing chamber lid plate is fixed in the enclosure body.