CN207349075U - Pump assembly, fluid machinery and heat transmission equipment - Google Patents
Pump assembly, fluid machinery and heat transmission equipment Download PDFInfo
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- CN207349075U CN207349075U CN201721277664.8U CN201721277664U CN207349075U CN 207349075 U CN207349075 U CN 207349075U CN 201721277664 U CN201721277664 U CN 201721277664U CN 207349075 U CN207349075 U CN 207349075U
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- pump assembly
- slide plate
- guide frame
- sliding
- fixing bracket
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Abstract
The utility model provides a kind of pump assembly, fluid machinery and heat transmission equipment.Wherein, pump assembly includes：Shaft, has rotor portions, and multiple sliding vane grooves are provided with rotor portions；Cylinder, shaft are threaded through in cylinder, and cylinder has inner cavity；Multiple slide plates, multiple slide plates are slidably disposed in each sliding vane groove, and the head of slide plate is in contact with the cavity wall of inner cavity；Multiple sliding blade springs, are arranged in each sliding vane groove, and each sliding blade spring is located at the afterbody of each slide plate；Multiple guide frames, are arranged in each sliding vane groove, and guide frame is stretched out along the direction of motion of slide plate, and sliding blade spring is set on guide frame.The utility model efficiently solves the problem of slide plate of pump assembly easily departs from cylinder in the prior art.
Description
Technical field
Compressor Technology field is the utility model is related to, in particular to a kind of pump assembly, fluid machinery and heat exchange
Equipment.
Background technology
In the prior art, the slide plate stroke of rotary compressor is larger.In compressor start or operational process, slide plate
Bending deformation easily occurs for spring, causes the head of slide plate to depart from the internal chamber wall of cylinder, and the afterbody of slide plate hits sliding vane groove, slide plate
Easily there is a situation where the head impact cylinder of slide plate after stretching out again.Depart from this way, above-mentioned phenomenon easily leads to slide plate with cylinder,
Cause to occur to hit and cause the damage of compressor inner structure between slide plate, cylinder and sliding vane groove, shorten making for compressor
Use the service life.Meanwhile each cavity seal that the above situation is easily led in cylinder reduces, gas compression is insufficient, seriously affects
The working performance of compressor.
Utility model content
The main purpose of the utility model is that a kind of pump assembly, fluid machinery and heat transmission equipment are provided, it is existing to solve
There is the problem of slide plate of technology middle pump body component and cylinder easily depart from.
To achieve these goals, one side according to the present utility model, there is provided a kind of pump assembly, including：Turn
Axis, has rotor portions, and multiple sliding vane grooves are provided with rotor portions；Cylinder, shaft are threaded through in cylinder, and cylinder is with interior
Chamber；Multiple slide plates, multiple slide plates are slidably disposed in each sliding vane groove, and the head of slide plate is in contact with the cavity wall of inner cavity；It is more
A sliding blade spring, is arranged in each sliding vane groove, and each sliding blade spring is located at the afterbody of each slide plate；Multiple guide frames, are arranged on
In each sliding vane groove, and guide frame is stretched out along the direction of motion of slide plate, and sliding blade spring is set on guide frame.
Further, slide plate hole is provided with the end face of the close sliding blade spring of slide plate, and guide frame stretches to slide plate
In hole.
Further, pump assembly further includes fixing bracket, and guide frame is fixed in sliding vane groove by fixing bracket.
Further, position limiting structure is provided with the cell wall of sliding vane groove, fixing bracket is fastened in position limiting structure, to prevent
Fixing bracket is moved relative to sliding vane groove.
Further, fixing bracket is plate-like, and guide frame is perpendicular to plate-like fixing bracket.
Further, fixing bracket is I-shaped structure.
Further, support bracket fastened end has that clamping is raised, rotor portions along the end face of the axial direction of shaft
Spacing recess is provided with, is clamped in raised embedded spacing recess, and the height H2 phases that the depth H 1 of spacing recess is raised with clamping
Deng.
Further, fixing bracket includes two submounts, and the one end of two submounts away from each other is respectively provided with clamping
Protrusion, is both provided with a guide frame on each submounts.
Further, guide frame includes：Boss structure, is arranged on close support bracket fastened one end of guide frame, and
Boss structure can be with sliding blade spring counter stopper.
Further, position limiting structure is the limiting slot being opened on the cell wall of sliding vane groove.
Further, in same sliding vane groove, position limiting structure is both provided be oppositely arranged two cell walls of sliding vane groove,
And the line L1 of two position limiting structures and the direction of motion of slide plate are vertically arranged.
Further, the distance between the groove width W of sliding vane groove, two position limiting structures W1, wherein, W≤W1.
Further, two or more slide plate holes are provided with slide plate.
Further, guide frame is column structure, the internal diameter D1 of sliding blade spring and the radial dimension D3 of guide frame it
Difference is △ D1, wherein, 0.01mm≤△ D1≤0.03mm.
Further, slide plate hole includes the first hole section connected in sequence and the second hole section, and guide frame stretches to the first hole
In section, and the difference of the radial dimension D3 of the aperture D4 of the first hole section and guide frame is △ D2, wherein, 0.01mm≤△ D2≤
0.03mm；The aperture D5 of second hole section is less than the aperture D4 of the first hole section, and the aperture D5 of the second hole section and sliding blade spring is outer
The difference of footpath D2 is △ D3, wherein, 0.01mm≤△ D3≤0.03mm.
Further, when the head of slide plate is fully located in sliding vane groove, the length of sliding blade spring is Lmin, the tail of slide plate
The distance between portion and guide frame are X1, and when the length that slide plate stretches into inner cavity is maximum, the length of sliding blade spring is Lmax, the
The depth of one hole section is X2, and the depth of the second hole section is X3, and the length of guide frame is X4, and the line footpath D0 of sliding blade spring, its
In, D0=(D2-D1)/2, then meet relation：Lmax-4D0≤X4≤X1+X2+X3。
Further, multiple guide frames are provided with fixing bracket, and multiple guide frames are along support bracket fastened vertical
It is arranged at intervals on extending direction.
Another aspect according to the present utility model, there is provided a kind of fluid machinery, including above-mentioned pump assembly.
Another aspect according to the present utility model, there is provided a kind of heat transmission equipment, including above-mentioned fluid machinery.
Using the technical solution of the utility model, pump assembly includes shaft, cylinder, multiple slide plates, multiple sliding blade springs
And multiple guide frames.Wherein, shaft has rotor portions, and multiple sliding vane grooves are provided with rotor portions.Shaft is threaded through cylinder
It is interior, and cylinder has inner cavity.Multiple slide plates are slidably disposed in each sliding vane groove, and the head of slide plate connects with the cavity wall of inner cavity
Touch.Multiple sliding blade springs are arranged in each sliding vane groove, and each sliding blade spring is located at the afterbody of each slide plate.Multiple guide frames are set
In each sliding vane groove, and guide frame is stretched out along the direction of motion of slide plate, and sliding blade spring is set on guide frame.
In pump assembly startup or operational process, sliding blade spring is set on guide frame to be carried out to sliding blade spring
It is oriented to, then bending deformation will not occur for sliding blade spring, can ensure that the head of slide plate is in contact with the cavity wall of inner cavity all the time so that
Slide plate is close to cylinder setting.In this way, the slide plate of the pump assembly in the application is close to set all the time with the cavity wall of inner cavity, can keep away
The phenomenon for the head impact cylinder that the afterbody for exempting from slide plate hits sliding vane groove or slide plate occurs, and then extends slide plate, cylinder and turn
The service life of axis, reduces the vibration produced in pump assembly operational process and noise.In addition, the pump assembly energy in the application
Enough ensure the leakproofness of each chamber of cylinder, lift the working performance of pump assembly.
Brief description of the drawings
The accompanying drawings which form a part of this application are used to provide a further understanding of the present invention, this practicality
New schematic description and description is used to explain the utility model, does not form the improper restriction to the utility model.
In the accompanying drawings：
Fig. 1 shows the front view of the embodiment one of pump assembly according to the present utility model；
Fig. 2 shows the sectional view along A-A of the pump assembly in Fig. 1；
Fig. 3 shows the front view of the shaft of the pump assembly in Fig. 1；
Fig. 4 shows the B-B direction sectional view of the shaft in Fig. 3；
Fig. 5 shows the dimensional structure diagram after sliding blade spring in Fig. 1, guide frame and fixing bracket assembling；
Fig. 6 shows guide frame and support bracket fastened dimensional structure diagram in Fig. 1；
Fig. 7 shows the sectional view of the slide plate in Fig. 1；
Fig. 8 shows the local structural graph when head of the slide plate of the pump assembly in Fig. 1 is fully located in sliding vane groove；
Fig. 9 shows the local structural graph when slide plate of the pump assembly in Fig. 1 stretches into the length maximum of inner cavity；
Figure 10 shows the front view of the sliding blade spring in Fig. 1；
Figure 11 shows the guide frame of the embodiment two of pump assembly according to the present utility model and support bracket fastened vertical
Body structure diagram；
Figure 12 shows the guide frame of the embodiment three of pump assembly according to the present utility model and support bracket fastened vertical
Body structure diagram；
Figure 13 shows the guide frame of the example IV of pump assembly according to the present utility model and support bracket fastened vertical
Body structure diagram；
Figure 14 shows the front view of the shaft of the pump assembly of the example IV of pump assembly according to the present utility model；
And
Figure 15 shows the C-C of the shaft in Figure 14 to sectional view.
Wherein, above-mentioned attached drawing is marked including the following drawings：
10th, shaft；11st, rotor portions；111st, sliding vane groove；111a, position limiting structure；12nd, spacing recess；20th, cylinder；21st, it is interior
Chamber；30th, slide plate；31st, slide plate hole；311st, the first hole section；312nd, the second hole section；40th, sliding blade spring；50th, guide frame；51st, it is convex
Platform structure；60th, fixing bracket；61st, clamping is raised；62nd, submounts；71st, upper flange；72nd, lower flange.
Embodiment
It should be noted that in the case where there is no conflict, the feature in embodiment and embodiment in the application can phase
Mutually combination.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
It is pointed out that unless otherwise specified, all technical and scientific terms used in this application have and the application
The normally understood identical meanings of person of an ordinary skill in the technical field.
In the utility model, in the case where not making conversely explanation, the noun of locality such as " upper and lower " used is typically to be directed to
For direction shown in the drawings, or on vertical, vertical or gravity direction；Similarly, for ease of understanding
And description, " left and right " is typically for shown in the drawings left and right；" inside and outside " refers to the profile relative to each component in itself
It is inside and outside, but the above-mentioned noun of locality is not intended to limit the present invention.
In order to solve the problems, such as that the slide plate of pump assembly easily departs from cylinder in the prior art, this application provides one
Kind pump assembly, fluid machinery and heat transmission equipment.
Embodiment one
As depicted in figs. 1 and 2, pump assembly include shaft 10, cylinder 20, multiple slide plates 30, multiple sliding blade springs 40 and
Multiple guide frames 50.Wherein, shaft 10 has rotor portions 11, and multiple sliding vane grooves 111 are provided with rotor portions 11.Shaft 10
It is threaded through in cylinder 20, and cylinder 20 has inner cavity 21.Multiple slide plates 30 are slidably disposed in each sliding vane groove 111, slide plate
30 head is in contact with the cavity wall of inner cavity 21.Multiple sliding blade springs 40 are arranged in each sliding vane groove 111, and each sliding blade spring 40
Positioned at the afterbody of each slide plate 30.Multiple guide frames 50 are arranged in each sliding vane groove 111, and fortune of the guide frame 50 along slide plate 30
Dynamic direction is stretched out, and sliding blade spring 40 is set on guide frame 50.
In pump assembly startup or operational process, sliding blade spring 40 is set on guide frame 50 with to sliding blade spring
40 are oriented to, then bending deformation will not occur for sliding blade spring 40, can ensure the head of slide plate 30 chamber with inner cavity 21 all the time
Wall is in contact so that slide plate 30 is close to cylinder 20 and is set.In this way, the slide plate 30 of the pump assembly in the present embodiment and inner cavity 21
Cavity wall is close to set all the time, and the afterbody of slide plate 30 can be avoided to hit the head impact cylinder 20 of sliding vane groove 111 or slide plate 30
Phenomenon occur, and then extend slide plate 30, the service life of cylinder 20 and shaft 10, reduce and produced in pump assembly operational process
Vibration and noise.In addition, the pump assembly in the present embodiment can ensure the leakproofness of each chamber of cylinder 20, elevator pump
The working performance of body component.
As shown in fig. 7, slide plate hole 31 is provided with the end face of the close sliding blade spring 40 of slide plate 30, and guide frame 50 is stretched
Enter to slide plate hole 31.In this way, in pump assembly startup or operational process, sliding blade spring 40 and guide frame 50 are stretched all the time
Enter to slide plate hole 31 so that bending deformation will not occur all the time in sliding vane groove 111 for sliding blade spring 40, and realize slide plate bullet
Effective support of the spring 40 to the afterbody of slide plate 30, sliding blade spring 40 is compressed along the direction of motion of slide plate 30, and then ensures to slide
The head of piece 30 is in contact with the internal chamber wall of cylinder 20 and will not be hit with cylinder 20 all the time.The structure letter of said structure
It is single, easily assembling, and can ensure the motion credibility of guide frame 50.
As shown in Figure 5, Figure 6, Figure 8 and 9, pump assembly further includes fixing bracket 60, and guide frame 50 passes through fixed branch
Frame 60 is fixed in sliding vane groove 111.In this way, guide frame 50 is arranged on fixing bracket 60, by fixing bracket 60 and sliding vane groove
111 fix the fixation that guide frame 50 and sliding vane groove 111 can be achieved.The structure of said structure is simple, easy to implement.In addition,
Fixing bracket 60 is easily worked, and the structural strength of countershaft 10 influences service life that is smaller, and then extending pump assembly.
It should be noted that the fixed form not limited to this of guide frame 50, as long as can ensure that guide frame 50 will not
Moved relative to sliding vane groove 111.Alternatively, guide frame 50 is threadedly coupled or welds with sliding vane groove 111.
As shown in Figure 3 and Figure 4, position limiting structure 111a is provided with the cell wall of sliding vane groove 111, fixing bracket 60 is fastened on limit
In bit architecture 111a, to prevent fixing bracket 60 from being moved relative to sliding vane groove 111.Specifically, position limiting structure 111a is with consolidating
Fixed rack 60 is clamped, and easily realizes the fixation of fixing bracket 60 and sliding vane groove 111, that is, realizes guide frame 50 and sliding vane groove 111
It is fixed.In this way, the clamping of fixing bracket 60 and position limiting structure 111a is so that installation or dismounting therebetween are more prone to, are square
Just.
It should be noted that the fixed form not limited to this of fixing bracket 60 and position limiting structure 111a.Alternatively, fixed branch
Frame 60 is connected by fastener with position limiting structure 111a and either welds or rivet.
As shown in Figure 5 and Figure 6, fixing bracket 60 is plate-like, and guide frame 50 is perpendicular to plate-like fixing bracket 60.
In this way, the structure of said structure is simple, it is easily worked.Above-mentioned setting also causes the processing of position limiting structure 111a to be more prone to, i.e.,
In same sliding vane groove 111, position limiting structure 111a, and two are both provided be oppositely arranged two cell walls of sliding vane groove 111
The line L1 and the direction of motion of slide plate 30 of position limiting structure 111a is vertically arranged.In this way, fixing bracket 60 is fastened on position limiting structure
In 111a so that the direction of motion of the extending direction of guide frame 50 along slide plate 30, and then prevent sliding blade spring 40 from other occur
The deformation in direction, ensures the normal operation of pump assembly.
It should be noted that the angle between guide frame 50 and fixing bracket 60 sets not limited to this, as long as can lead
Set to structure 50 along the direction of motion of slide plate 30.
As shown in Figure 3 and Figure 4, position limiting structure 111a is the limiting slot being opened on the cell wall of sliding vane groove 111.Limiting slot
It is simple in structure, it is easily worked, and then the processing cost of pump assembly is reduced, reduce the labor intensity of staff.
Alternatively, limiting slot is rectangular channel.The structure of rectangular channel is simple, is easily worked.
It should be noted that the slot cross-section shape not limited to this of limiting slot.Alternatively, limiting slot is arc groove.
Alternatively, two or more slide plate holes 31 are provided with slide plate 30.As shown in Figure 2 and Figure 7, in the present embodiment
In, two slide plate holes 31 are provided with slide plate 30, and two slide plate holes 31 are respectively positioned at the water where the geometric center of slide plate 30
The both sides of plane, and two slide plate holes 31 are symmetrical arranged along the horizontal plane.In this way, above-mentioned setting can ensure the stress of slide plate 30
More uniformly, then the movement of slide plate 30 is more steady, improves the working performance of pump assembly, reduce pump assembly start or
The vibration produced in operational process and noise, improve user experience.
It should be noted that the setting position not limited to this in slide plate hole 31.When the decentralization of slide plate 30 or when moving up, then
The selection of sliding blade spring 40 and arrangement will ensure 30 stress balance of slide plate and equalising torque.
As shown in figs. 6 and 10, guide frame 50 is column structure, internal diameter D1 and the guide frame 50 of sliding blade spring 40
The difference of radial dimension D3 is △ D1, wherein, 0.01mm≤△ D1≤0.03mm.On the one hand above-mentioned setting ensures 40 energy of sliding blade spring
Enough it is set in outside guide frame 50, on the other hand so that gap therebetween will not be excessive and causes sliding blade spring 40 in the pump housing
Occur significantly to rock during assembly operating.In this way, above-mentioned number range can ensure the even running of pump assembly, and then
Improve the working performance of pump assembly.
As shown in fig. 7, slide plate hole 31 includes 311 and second hole section 312 of the first hole section connected in sequence, guide frame 50 is stretched
Enter to the first hole section 311, and the difference of the radial dimension D3 of the aperture D4 of the first hole section 311 and guide frame 50 is △ D2, its
In, 0.01mm≤△ D2≤0.03mm；The aperture D5 of second hole section 312 is less than the aperture D4 of the first hole section 311, and the second hole section
The difference of 312 aperture D5 and the outer diameter D 2 of sliding blade spring 40 is △ D3, wherein, 0.01mm≤△ D3≤0.03mm.It is in this way, above-mentioned
Set the one end that can ensure guide frame 50 by backstop at the step surface of the first hole section 311 and the second hole section 312, be oriented to knot
The other end of structure 50 is fixed in sliding vane groove 111, and then prevents guide frame 50 from shaking so that sliding blade spring 40 can
Smoothly slided on guide frame 50, and then improve the functional reliability of guide frame 50, prevent sliding blade spring 40 from it occurs
The upward deformation of other party and cause the head of slide plate 30 and cylinder 20 to depart from.
As shown in Figure 8 and Figure 9, when the head of slide plate 30 is fully located in sliding vane groove 111, the length of sliding blade spring 40 is
Lmin, the distance between the afterbody and guide frame 50 of slide plate 30 are X1, sliding when the length that slide plate 30 stretches into inner cavity 21 is maximum
The length of flat spring 40 is Lmax, the depth of the first hole section 311 is X2, and the depth of the second hole section 312 is X3, guide frame 50
Length is X4, and the line footpath D0 of sliding blade spring 40, wherein, D0=(D2-D1)/2, then meet relation：Lmax-4D0≤X4≤X1+
X2+X3.In this way, above-mentioned setting can not only ensure that guide frame 50 is arranged in the first hole section 311 all the time, and ensure slide plate bullet
Spring 40 will not occur excessively to be compressed and influence its structural strength.In addition, in above-mentioned numerical relation can ensure that slide plate 30 stretches into
When the length of chamber 21 is maximum, sliding blade spring 40 will not occur de- still in micro- compressive state, the then head of slide plate 30 with cylinder 20
From slide plate 30 can be avoided to depart from cylinder 20 and cause the afterbody or head impact cylinder of slide plate 30 in pump assembly operational process
20。
Specifically, in the present embodiment, the original length of sliding blade spring 40 is L0, when the overhang of slide plate 30 is minimum,
Sliding blade spring 40 is in the maximum state of deformation, and the length of sliding blade spring 40 is L at this timemin.When the overhang of slide plate 30 is maximum
When, sliding blade spring 40 is in micro- compressive state, and the length of sliding blade spring 40 is its maximum length L at this timemax, still slide plate 30 is carried
For the elastic force consistent with centrifugation force direction, sliding blade spring 40 is contacted with 30 whole process of slide plate, and the afterbody of slide plate 30 can be avoided to hit
Sliding vane groove 111.And meet Lmin≤Lmax≤L0。
In above process, the range of slide plate 30 is s, and s=Lmax-Lmin.The maximum deformation quantity of sliding blade spring 40
For L0-Lmin=△ L>s.
Alternatively, if the maximum pressure differential suffered by slide plate 30 is F, 40 numbers of sliding blade spring that single slide plate 30 uses is n.
Then in the present embodiment, n=2, the then maximum pressure that single sliding blade spring 40 is born areSliding blade spring 40
Rigidity
Alternatively, two slide plate holes 31 are symmetrical arranged along the neutral line of slide plate 30, i.e. two slide plate holes 31 and neutral line it
Between distance X5 and distance X6 it is equal.
Alternatively, multiple guide frames 50 are provided with fixing bracket 60, and multiple guide frames 50 are along fixing bracket 60
Vertical extending direction on be arranged at intervals.As shown in Figure 1, in the present embodiment, two are provided with fixing bracket 60 and is oriented to knot
Structure 50, and two guide frames 50 are arranged at intervals along the vertical extending direction of fixing bracket 60, and two guide frames 50 with
Two slide plate holes 31 are set correspondingly.Said structure can ensure the structural stability of fixing bracket 60, extend fixed branch
The service life of frame 60.
As depicted in figs. 1 and 2, in the present embodiment, pump assembly further includes upper flange 71 and lower flange 72.Wherein, turn
Axis 10 is threaded through in upper flange 71 and lower flange 72, and cylinder 20 is arranged between upper flange 71 and lower flange 72.In pump housing group
When part just starts, pressure difference has not yet been formed between the head of slide plate 30 and afterbody, under the resilient force of sliding blade spring 40, slide plate
30 head is adjacent to cylinder 20.In pump assembly operational process, with the rotation of shaft 10, slide plate 30 is in centrifugal force, back pressure
And stretched out under the collective effect of elastic force from sliding vane groove 111, and start in sliding vane groove 111 to do linear reciprocating motion, slide plate
30 head is contacted with the internal face of cylinder 20.The internal face and upper flange 71 and lower flange 72 of 3 slide plates 30 and cylinder 20
The whole moon teeth cavity of cylinder 20 is divided into 3 separate chambers, and 3 chambers periodically expand, reduce, so as to fulfill pump assembly
Air-breathing, compression and exhaust.
Present invention also provides a kind of fluid machinery (not shown), including above-mentioned pump assembly.Alternatively, fluid machinery
For compressor.
Present invention also provides a kind of heat transmission equipment (not shown), including above-mentioned fluid machinery.Alternatively, heat transmission equipment
For air-conditioning.
Embodiment two
The pump assembly of embodiment two and embodiment one difference lies in：The structure of fixing bracket 60 is different.
As shown in figure 11, fixing bracket 60 is I-shaped structure.In this way, above-mentioned setting can reduce the weight of fixing bracket 60
Amount so that pump assembly more lightweight, improves work efficiency, the working performance of pump assembly.
Alternatively, lightening hole is provided with fixing bracket 60, and lightening hole avoids guide frame 50 and sets.
Embodiment three
The pump assembly of embodiment three and embodiment one difference lies in：The structure of guide frame 50 is different.
As shown in figure 12, guide frame 50 includes boss structure 51.Wherein, boss structure 51 is arranged on guide frame 50
Close to one end of fixing bracket 60, and boss structure 51 can be with 40 counter stopper of sliding blade spring.In this way, boss structure 51 can
Limit stops are carried out to sliding blade spring 40, by increasing capacitance it is possible to increase the elastic deformation amount of sliding blade spring 40, then staff can be according to need
The length of sliding blade spring 40 is reasonably selected.The structure of boss structure 51 is simple, is easily worked.
Example IV
The pump assembly of example IV and embodiment one difference lies in：The structure of fixing bracket 60 is different.
As shown in FIG. 13 to 15, fixing bracket 60 includes two submounts 62, and two submounts 62 are away from each other
One end is respectively provided with clamping protrusion 61, and a guide frame 50 is both provided with each submounts 62.In this way, above-mentioned setting can be into one
Step mitigates the weight of fixing bracket 60, realizes the light-weight design of fixing bracket 60.
As shown in Figure 14 and Figure 15, the distance between the groove width W of sliding vane groove 111, two position limiting structure 111a W1, wherein, W
≤W1.In this way, in pump assembly startup or operational process, above-mentioned setting can ensure that fixing bracket 60 will not be from spacing knot
Abjection in structure 111a, and then ensure the functional reliability of guide frame 50, lift the structural stability of pump assembly.
As shown in figure 13, the end of fixing bracket 60 has clamping protrusion 61, the axial direction side along shaft 10 of rotor portions 11
To end face on be provided with spacing recess 12, in the 61 spacing recess 12 of insertion of clamping protrusion, and the depth H 1 of spacing recess 12 with
The height H2 of clamping protrusion 61 is equal.In this way, above-mentioned setting can ensure that fixing bracket 60 and the connection of rotor portions 11 are more steady
Gu and the other structures recurring structure that fixing bracket 60 and pump assembly will not occur is interfered, the structure for improving pump assembly is tight
Gathering property.
It can be seen from the above description that the above embodiments of the present invention achieve the following technical effects：
In pump assembly startup or operational process, sliding blade spring is set on guide frame to be carried out to sliding blade spring
It is oriented to, then bending deformation will not occur for sliding blade spring, can ensure that the head of slide plate is in contact with the cavity wall of inner cavity all the time so that
Slide plate is close to cylinder setting.In this way, the slide plate of the pump assembly in the application is close to set all the time with the cavity wall of inner cavity, can keep away
The phenomenon for the head impact cylinder that the afterbody for exempting from slide plate hits sliding vane groove or slide plate occurs, and then extends slide plate, cylinder and turn
The service life of axis, reduces the vibration produced in pump assembly operational process and noise.In addition, the pump assembly energy in the application
Enough ensure the leakproofness of each chamber of cylinder, lift the working performance of pump assembly.
Obviously, above-mentioned described embodiment is only the embodiment of the utility model part, rather than whole realities
Apply example.Based on the embodiment in the utility model, those of ordinary skill in the art institute without making creative work
The every other embodiment obtained, should all belong to the scope of the utility model protection.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, work, device, component and/or combinations thereof.
It should be noted that term " first " in the description and claims of this application and above-mentioned attached drawing, "
Two " etc. be for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so use
Data can exchange in the appropriate case, so that presently filed embodiment described herein can be with except illustrating herein
Or the order beyond those of description is implemented.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the present invention, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on, should be included within the scope of protection of this utility model.
Claims (19)
- A kind of 1. pump assembly, it is characterised in that including：Shaft (10), has rotor portions (11), and multiple sliding vane grooves (111) are provided with the rotor portions (11)；Cylinder (20), the shaft (10) is threaded through in the cylinder (20), and the cylinder (20) has inner cavity (21)；Multiple slide plates (30), multiple slide plates (30) are slidably disposed in each sliding vane groove (111), the slide plate (30) head is in contact with the cavity wall of the inner cavity (21)；Multiple sliding blade springs (40), are arranged in each sliding vane groove (111), and each sliding blade spring (40) is positioned at each described The afterbody of slide plate (30)；Multiple guide frames (50), are arranged in each sliding vane groove (111), and the guide frame (50) is along the slide plate (30) the direction of motion is stretched out, and the sliding blade spring (40) is set on the guide frame (50).
- 2. pump assembly according to claim 1, it is characterised in that the close sliding blade spring of the slide plate (30) (40) slide plate hole (31) is provided with end face, and the guide frame (50) is stretched in the slide plate hole (31).
- 3. pump assembly according to claim 1, it is characterised in that the pump assembly further includes fixing bracket (60), The guide frame (50) is fixed in the sliding vane groove (111) by the fixing bracket (60).
- 4. pump assembly according to claim 3, it is characterised in that set on the cell wall of the sliding vane groove (111) limited Bit architecture (111a), the fixing bracket (60) is fastened in the position limiting structure (111a), to prevent the fixing bracket (60) moved relative to the sliding vane groove (111).
- 5. the pump assembly according to claim 3 or 4, it is characterised in that the fixing bracket (60) is plate-like and described Guide frame (50) is perpendicular to the plate-like fixing bracket (60).
- 6. the pump assembly according to claim 3 or 4, it is characterised in that the fixing bracket (60) is I-shaped structure.
- 7. pump assembly according to claim 6, it is characterised in that the end of the fixing bracket (60) is convex with being clamped Rise (61), spacing recess (12), institute are provided with the end face of the axial direction along the shaft (10) of the rotor portions (11) State in the embedded spacing recess (12) of clamping raised (61), and the depth H 1 of the spacing recess (12) and the clamping are raised (61) height H2 is equal.
- 8. pump assembly according to claim 7, it is characterised in that the fixing bracket (60) includes two submounts (62), and the one end of two submounts (62) away from each other is respectively provided with the clamping protrusion (61), each submounts (62) guide frame (50) is both provided with.
- 9. the pump assembly according to claim 3 or 4, it is characterised in that the guide frame (50) includes：Boss structure (51), is arranged on one end of the close fixing bracket (60) of the guide frame (50), and described convex Platform structure (51) can be with the sliding blade spring (40) counter stopper.
- 10. pump assembly according to claim 4, it is characterised in that the position limiting structure (111a) is described to be opened in Limiting slot on the cell wall of sliding vane groove (111).
- 11. the pump assembly according to claim 4 or 10, it is characterised in that in the same sliding vane groove (111), institute State and be both provided with the position limiting structure (111a) on be oppositely arranged two cell walls of sliding vane groove (111), and two described spacing The line L1 of structure (111a) and the direction of motion of the slide plate (30) are vertically arranged.
- 12. pump assembly according to claim 11, it is characterised in that the groove width W of the sliding vane groove (111), two institutes The distance between position limiting structure (111a) W1 is stated, wherein, W≤W1.
- 13. pump assembly according to claim 2, it is characterised in that two or more are provided with the slide plate (30) A slide plate hole (31).
- 14. pump assembly according to any one of claim 1 to 4, it is characterised in that the guide frame (50) is column The difference of shape structure, the internal diameter D1 of the sliding blade spring (40) and the radial dimension D3 of the guide frame (50) are △ D1, wherein, 0.01mm≤△D1≤0.03mm。
- 15. pump assembly according to claim 2, it is characterised in that the slide plate hole (31) includes connected in sequence the One hole section (311) and the second hole section (312), the guide frame (50) are stretched in first hole section (311), and described the The difference of the aperture D4 of one hole section (311) and the radial dimension D3 of the guide frame (50) are △ D2, wherein, 0.01mm≤△ D2 ≤0.03mm；The aperture D5 of second hole section (312) is less than the aperture D4 of first hole section (311), and second hole section (312) aperture D5 and the difference of the outer diameter D 2 of the sliding blade spring (40) is △ D3, wherein, 0.01mm≤△ D3≤0.03mm.
- 16. pump assembly according to claim 15, it is characterised in that when the head of the slide plate (30) is fully located at institute State sliding vane groove (111) it is interior when, the length of the sliding blade spring (40) is Lmin, the afterbody of the slide plate (30) and described be oriented to are tied The distance between structure (50) is X1, when the length that the slide plate (30) stretches into the inner cavity (21) is maximum, the sliding blade spring (40) length is Lmax, the depth of first hole section (311) is X2, and the depth of second hole section (312) is X3, described The length of guide frame (50) is X4, and the line footpath D0 of the sliding blade spring (40), wherein, D0=(D2-D1)/2, then meet to close System：Lmax-4D0≤X4≤X1+X2+X3。
- 17. the pump assembly according to claim 3 or 4, it is characterised in that be provided with the fixing bracket (60) multiple The guide frame (50), and multiple guide frames (50) are spaced along the vertical extending direction of the fixing bracket (60) Set.
- 18. a kind of fluid machinery, it is characterised in that including the pump assembly any one of claim 1 to 17.
- 19. a kind of heat transmission equipment, it is characterised in that including the fluid machinery described in claim 18.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721277664.8U CN207349075U (en) | 2017-09-29 | 2017-09-29 | Pump assembly, fluid machinery and heat transmission equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721277664.8U CN207349075U (en) | 2017-09-29 | 2017-09-29 | Pump assembly, fluid machinery and heat transmission equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207349075U true CN207349075U (en) | 2018-05-11 |
Family
ID=62357201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721277664.8U Expired - Fee Related CN207349075U (en) | 2017-09-29 | 2017-09-29 | Pump assembly, fluid machinery and heat transmission equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207349075U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107575390A (en) * | 2017-09-29 | 2018-01-12 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump assembly, fluid machinery and heat transmission equipment |
-
2017
- 2017-09-29 CN CN201721277664.8U patent/CN207349075U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107575390A (en) * | 2017-09-29 | 2018-01-12 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump assembly, fluid machinery and heat transmission equipment |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180511 |