CN205841202U - For the upper shell of micro-compressor and the micro-compressor with it - Google Patents
For the upper shell of micro-compressor and the micro-compressor with it Download PDFInfo
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- CN205841202U CN205841202U CN201620689553.7U CN201620689553U CN205841202U CN 205841202 U CN205841202 U CN 205841202U CN 201620689553 U CN201620689553 U CN 201620689553U CN 205841202 U CN205841202 U CN 205841202U
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Abstract
The utility model discloses a kind of upper shell for micro-compressor and there is its micro-compressor, upper shell for micro-compressor includes: roof and the first side wall, the binding post installing hole portion that through at least two is circular it is formed with on roof, the sidewall in each binding post installing hole portion is provided with flange, chamfered transition between roof and flange；The first side wall is arranged around the periphery of roof；It is connected by the first arc surface between a side surface towards overbending direction and the roof of flange, the radius of the first arc surface is r, the maximum gauge of flange is t, the thickness of roof is T, the aperture in binding post installing hole portion is d, the height of flange is h, and wherein h, r, t, T and d meet: t≤h≤r+d*T/t.According to the upper shell for micro-compressor of the present utility model, it is ensured that while electrical safety distance, drastically increase the structural strength of insulating part.Additionally, also significantly reduce difficulty of processing, reduce processing cost.
Description
Technical field
This utility model relates to Compressor Technology field, especially relates to a kind of upper shell for micro-compressor and tool
There is its micro-compressor.
Background technology
In correlation technique, compressor such as micro-compressor includes housing and reservoir.Housing includes upper shell, main casing
And lower house, upper shell is provided with binding post installing hole portion, binding post is arranged on binding post by insulating part pacifies
In dress hole portion.In micro-compressor, for improving the space availability ratio of housing, generally by insulating part direct sintering at upper shell
In binding post installing hole portion so that binding post and upper shell form as one structure.But, in integrative-structure, insulating part
Structural strength relatively low, electrical safety distance is difficult to ensure that, processability is poor, thus causes the implementation of this structure poor.
Utility model content
This utility model is intended at least to solve one of technical problem present in prior art.To this end, it is of the present utility model
One purpose is to propose a kind of upper shell for micro-compressor, and this is used for insulating part in the upper shell of micro-compressor
Intensity is high and reliability is high.
Another purpose of the present utility model is to propose and a kind of has the above-mentioned upper shell for micro-compressor
Micro-compressor.
According to the upper shell for micro-compressor of this utility model first aspect, including: roof, shape on described roof
Becoming to have through at least two circle binding post installing hole portion, the sidewall in each described binding post installing hole portion is provided with and turns over
Limit, chamfered transition between described roof and described flange；The first side wall, described the first side wall sets around the periphery of described roof
Put；It is connected by the first arc surface between a side surface towards overbending direction and the described roof of described flange, described first
The radius of arc surface is r, and the maximum gauge of described flange is t, and the thickness of described roof is T, described binding post installing hole portion
Aperture be d, the height of described flange is h, wherein said h, r, t, T and d meet: t≤h≤r+d*T/t.
According to the upper shell for micro-compressor of the present utility model, by appropriate design binding post installing hole portion
Relative dimensions so that the radius r of the first arc surface, the maximum gauge t of flange, the thickness T of roof, binding post installing hole portion
Aperture d, the height h of flange meet: t≤h≤r+d*T/t, install thus, it is possible to insulating part is sintered in binding post easily
In the portion of hole, it is effectively guaranteed electrical safety distance and drastically increases the structural strength of insulating part, thus improve upper casing
The reliability of body.Additionally, also significantly reduce difficulty of processing, reduce processing cost.
It addition, it is special to have following additional technology according to the upper shell for micro-compressor of the present utility model
Levy:
According to embodiments more of the present utility model, described t, T meet: 0.35T≤t≤T.
Specifically, a length of C of described chamfering orthographic projection on described roof, described C meet: 0.5mm≤C≤2T.
Alternatively, described flange extends up or down from the sidewalls vertical in described binding post installing hole portion.
According to embodiments more of the present utility model, the outer peripheral face of described flange is formed as cylindrical or conical.
Specifically, when the outer peripheral face of described flange is formed as cone, the cone angle of described cone is θ1, described θ1Full
Foot: 0 ＜ θ1≤45°。
According to embodiments more of the present utility model, between the central axis in adjacent two described binding post installing hole portions
Distance be S, described S meet: S >=2d+3t.
According to embodiments more of the present utility model, the shape of cross section of described the first side wall is circular, described first side
The internal diameter of wall is D1, described upper shell farther includes: the second sidewall, described second sidewall and described the first side wall away from institute
The one end stating roof is connected, and the shape of cross section of described second sidewall is circular, and the internal diameter of described second sidewall is D2, described
The wall thickness of two sidewalls is T1, described D1、D2And T1Meet: D2≥D1+0.1T1。
According to embodiments more of the present utility model, described second sidewall is connected by changeover portion with described the first side wall,
Described changeover portion is straightway or arc.
According to embodiments more of the present utility model, when described changeover portion is arc, described changeover portion and described the
At least one in two sidewalls and described the first side wall is tangent.
According to embodiments more of the present utility model, the shape of cross section of described the first side wall is circular, described first side
The internal diameter of wall is D1, described roof is connected by the second arc surface with described the first side wall, and the radius of described second arc surface is
R, the wall thickness of described the first side wall is T2, described R, T2, T and D1Meet: 0.5 (T+T2)≤R≤0.5D1。
Further, described the first side wall having at least one planar portions, described planar portions is provided with central axis and hangs down
Straight in the intercommunicating pore portion of described planar portions, the normal of described planar portions is θ with the angle of the cross section formation of described upper shell2,
Described θ2Meet: 0≤θ2≤45°。
According to embodiments more of the present utility model, the height of described upper shell is L, the cross section shape of described the first side wall
Shape is circular, and the internal diameter of described the first side wall is D1, described L, D1Meet: L≤2D1。
According to this utility model second aspect micro-compressor, including according to the above-mentioned first aspect of this utility model for
The upper shell of micro-compressor.
Additional aspect of the present utility model and advantage will part be given in the following description, and part will be from explained below
In become obvious, or recognized by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage are from combining general the accompanying drawings below description to embodiment
Become obvious and easy to understand, wherein:
Fig. 1 is the structural representation of the upper shell for micro-compressor according to this utility model embodiment；
Fig. 2 is another structural representation of the upper shell for micro-compressor shown in Fig. 1；
Fig. 3 is the top view of the upper shell for micro-compressor shown in Fig. 2；
Fig. 4 is the structural representation of the upper shell for micro-compressor according to second embodiment of this utility model；
Fig. 5 is the structural representation of the upper shell for micro-compressor according to the 3rd embodiment of this utility model；
Fig. 6 is the structural representation of the upper shell for micro-compressor according to the 4th embodiment of this utility model；
Fig. 7 is the structural representation of the upper shell for micro-compressor according to the 5th embodiment of this utility model.
Reference:
Upper shell 100,
Roof 1, binding post installing hole portion 11, flange 111, outer peripheral face 1111, chamfering 12, the first arc surface 13,
The first side wall 2, planar portions 21, intercommunicating pore portion 22,
Second sidewall 3, changeover portion 4, the second arc surface 5, insulating part 6, binding post 7, exhaustor 8.
Detailed description of the invention
Of the present utility model embodiment is described below in detail, and the example of described embodiment is shown in the drawings, the most ad initio
Represent same or similar element to same or similar label eventually or there is the element of same or like function.Below by ginseng
It is exemplary for examining the embodiment that accompanying drawing describes, and is only used for explaining this utility model, and it is not intended that to of the present utility model
Limit.
In description of the present utility model, it is to be understood that term " " center ", " longitudinally ", " laterally ", " length ", " width
Degree ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end ", " interior ", " outward ",
Orientation or the position relationship of the instruction such as " axially ", " radially ", " circumferential " are based on orientation shown in the drawings or position relationship, are only
Must have specific for the ease of describing this utility model and simplification description rather than instruction or the device of hint indication or element
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.Additionally, term " the
One ", " second " be only used for describing purpose, and it is not intended that instruction or hint relative importance or implicit indicate indicated
The quantity of technical characteristic.Thus, define " first ", the feature of " second " can express or implicitly include one or more
Multiple this feature.In description of the present utility model, except as otherwise noted, " multiple " are meant that two or more.
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", should be interpreted broadly " being connected ", " connection ", for example, it may be fix connection, it is also possible to be to removably connect, or integratedly
Connect；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Language concrete meaning in this utility model.
In this utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or it
D score can include that the first and second features directly contact, it is also possible to includes that the first and second features are not directly contact but logical
Cross the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " include
One feature is directly over second feature and oblique upper, or is merely representative of fisrt feature level height higher than second feature.First is special
Levy second feature " under ", " lower section " and " below " include fisrt feature directly over second feature and oblique upper, or only
Represent that fisrt feature level height is less than second feature.
Below with reference to Fig. 1-Fig. 7, the upper shell 100 for micro-compressor according to this utility model embodiment is described.On
Housing 100 is applicable to micro-compressor.Wherein, micro-compressor can be micro rotary compressor etc., but is not limited to this.
Here, it should be noted that micro-compressor refers to the refrigerating capacity refrigeration compressor less than 1KW.Mini compressed
Machine may be used for mini-refrigerator system, such as, may be used for on-board air conditioner, car refrigerator etc..The diameter of micro-compressor housing leads to
Often it is not more than 65mm.
Alternatively, micro-compressor can be vertical compressor.Certainly, those skilled in the art are appreciated that micro-
Type compressor can also be horizontal compressor (not shown).In the application explained below, it is vertical with micro-compressor
Illustrate as a example by compressor.
As depicted in figs. 1 and 2, according to the upper shell for micro-compressor of this utility model first aspect embodiment
100, including: roof 1 and the first side wall 2, the first side wall 2 is arranged around the periphery of roof 1.For example, referring to 1 and Fig. 2, upper shell
100 bowl structure that can be formed as open at its lower end, but it is not limited to this.
Specifically, roof 1 is formed with the binding post installing hole portion 11 that through at least two is circular, say, that
The quantity in binding post installing hole portion 11 can be two or more, for example, referring to Fig. 3, binding post installing hole portion
11 can be three, and three binding post installing hole portions 11 can be distributed on roof 1 in product shape.
With reference to Fig. 1, in binding post installing hole portion 11, insulating part 6 such as pottery, glass etc., binding post 7 can be provided with
It is arranged in binding post installing hole portion 11 by insulating part 6.Such as, binding post 7 can be sintered in insulating part 6, insulation
Part 6 can be sintered in binding post installing hole portion 11, thus, it is possible to the inside improving the upper shell 100 of micro-compressor is empty
Between utilization rate, and simple in construction, easy to process.
Specifically, the sidewall in each binding post installing hole portion 11 is provided with flange 111, falls between roof 1 and flange 111
Angle 12 transition, is connected by the first arc surface 13 between the side surface towards overbending direction and the roof 1 of flange 111.The most just
It is to say, between a side surface (i.e. outer surface) and the roof 1 of the central axis away from binding post installing hole portion 11 of flange 111
Connected by the first arc surface 13.Wherein, chamfering 12 can be directed away from terminals by the sidewall in binding post installing hole portion 11
The direction of the central axis in sub-installing hole portion 11 tilts to extend formation, and flange 111 can be from the side in binding post installing hole portion 11
Wall straight up or downwardly extends.
For example, referring to Fig. 1 and Fig. 2, the flange 111 sidewalls vertical from binding post installing hole portion 11 downwardly extends, roof 1
Outer surface and flange 111 between chamfering 12 transition, chamfering 12 is inclined upwardly extension by the sidewall in binding post installing hole portion 11
Formed, be connected by the first arc surface 13 between the outer surface of flange 111 and the inner surface of roof 1.Thus, it is simple to by insulating part
6 are sintered in binding post installing hole portion 11, consequently facilitating be arranged in binding post 7 installing hole by binding post 7.
And for example, with reference to Fig. 4, the flange 111 sidewalls vertical from binding post installing hole portion 11 upwardly extends, roof 1 interior
Chamfering 12 transition between surface and flange 111, chamfering 12 is formed by downward-sloping extension of the sidewall in binding post installing hole portion 11,
It is connected by the first arc surface 13 between the outer surface of flange 111 and the outer surface of roof 1.Thus, it is easy to insulating part 6 equally
It is sintered in binding post installing hole portion 11, consequently facilitating binding post 7 is arranged in binding post 7 installing hole.Additionally, also
The inner space of the upper shell 100 taken when flange 111 extends straight down can be saved, improve the inside of upper shell 100
Space availability ratio, and easy to process, reduce processing cost.
Specifically, the radius of the first arc surface 13 is r, and the maximum gauge of flange 111 is t, and the thickness of roof 1 is T, wiring
The aperture in terminal mounting hole portion 11 is d, and the height of flange 111 is h, wherein the height h of flange 111, the half of the first arc surface 13
The aperture d in footpath r, the maximum gauge t of flange 111, the thickness T of roof 1 and binding post installing hole portion 11 meets: t≤h≤r+d*
T/t.Thus, by the relative dimensions in appropriate design binding post installing hole portion 11, can be sintered in easily connecing by insulating part 6
In line terminals installing hole portion 11, and drastically increase the structural strength of insulating part 6, thus improve the reliable of upper shell 100
Property.Additionally, also significantly reduce difficulty of processing, reduce processing cost.
According to the upper shell 100 for micro-compressor of this utility model embodiment, by appropriate design binding post
The relative dimensions in installing hole portion 11 so that the radius r of the first arc surface 13, the maximum gauge t of flange 111, the thickness T of roof 1,
The aperture d in binding post installing hole portion 11, the height h of flange 111 meet: t≤h≤r+d*T/t, thus, it is possible to easily will
Insulating part 6 is sintered in binding post installing hole portion 11, and drastically increases the structural strength of insulating part 6, thus improves
The reliability of upper shell 100.Additionally, also significantly reduce difficulty of processing, reduce processing cost.
According to embodiments more of the present utility model, the maximum gauge t of flange 111, the thickness T of roof 1 meet: 0.35T
≤t≤T.Its concrete numerical value can adjusted design according to the actual requirements.Such as, t and T can meet further: t=0.5T etc..
Thus, it is effectively improved the structural strength of flange 111, and create a further reduction difficulty of processing.
Specifically, a length of C of the chamfering 12 orthographic projection on roof 1, C meet: 0.5mm≤C≤2T.Thus, further
Reduce the sintering difficulty of insulating part 6, and further increasing the structural strength of insulating part 6.
According to embodiments more of the present utility model, the outer peripheral face 1111 of flange 111 is formed as cylindrical or conical, knot
Structure is simple, it is simple to processing.For example, referring to Fig. 1, Fig. 2 and Fig. 4, the outer peripheral face 1111 of flange 111 is formed as cylindrical, at flange
On the bearing of trend of 111 (the most straight up or in vertically downward direction), the wall thickness of flange 111 keeps constant.And for example, reference
Fig. 5-Fig. 7, the outer peripheral face 1111 of flange 111 be formed as cone, on the bearing of trend of flange 111, the wall thickness of flange 111 by
The least.
Specifically, when the outer peripheral face 1111 of flange 111 is formed as cone, the cone angle of cone is θ1, taper angle theta1Full
Foot: 0 ＜ θ1≤45°.Such as, taper angle theta1Can meet further: θ1=15 ° or θ1=30 ° etc..Thus, create a further reduction
The difficulty of processing of flange 111, thus create a further reduction processing cost.
According to embodiments more of the present utility model, between the central axis in adjacent two binding post installing hole portions 11
Distance is that S, S meet: S >=2d+3t.Thus, improve the overall construction intensity of upper shell 100, and be easy to machine-shaping.
According to embodiments more of the present utility model, the shape of cross section of the first side wall 2 is circular, the first side wall 2 interior
Footpath is D1, upper shell 100 farther includes: the second sidewall 3, the second sidewall 3 and one end (example away from roof 1 of the first side wall 2
As, lower end in Fig. 1) it is connected, the shape of cross section of the second sidewall 3 is circular, and the internal diameter of the second sidewall 3 is D2, the second sidewall 3
Wall thickness is T1, the internal diameter D of the first side wall 21, the internal diameter D of the second sidewall 32Wall thickness T with the second sidewall 31Meet: D2≥D1+
0.1T1.Thus, it is effectively improved the overall construction intensity of upper shell 100, and is easy to the further assembling of upper shell 100.
Specifically, the second sidewall 3 is connected by changeover portion 4 with the first side wall 2, and changeover portion 4 is straightway or arc example
Such as arc section etc..One end (such as, the upper end in Fig. 2) of changeover portion 4 is connected with the first side wall 2, the other end (example of changeover portion 4
As, the lower end in Fig. 2) it is connected with the second sidewall 3.Such as, in the example of Fig. 2, Fig. 4 and Fig. 5, changeover portion 4 is formed as straight line
Section.And for example, in the example of Fig. 6 and Fig. 7, changeover portion 4 is formed as arc.
Such as, when assembling, the main casing of micro-compressor is connected with upper shell 100 in can stretching into upper shell 100, and
The upper end of main casing can only be against on changeover portion 4, is limited the relative motion of main casing and upper shell 100 by changeover portion 4.By
This, further increasing the inner utilization rate of the housing of micro-compressor, and create a further reduction assembly difficulty, and improve
The precision of assembling.
Specifically, when changeover portion 4 is arc such as arc section, in changeover portion 4 and the second sidewall 3 and the first side wall 2
At least one is tangent.During it is to say, changeover portion 4 is arc, changeover portion 4 can only with the second sidewall 3 and the first side wall 2
In wherein any one is tangent, it is also possible to the most tangent with the second sidewall 3 and the first side wall 2.Thus, improve upper shell
The overall construction intensity of 100, and simple in construction, it is simple to processing.
Such as, in the example of fig. 6, the lower end of changeover portion 4 is tangent with the second sidewall 3.Thus, improve upper shell 100
Overall construction intensity, and be easy to the machine-shaping of upper shell 100.
And for example, in the example in figure 7, the upper end of changeover portion 4 is tangent with the first side wall 2.The second sidewall 3 and first can be made
Transition between sidewall 2 becomes apparent from, thus beneficially upper shell 100 assembles further with main casing body.
According to embodiments more of the present utility model, the shape of cross section of the first side wall 2 is circular, the first side wall 2 interior
Footpath is D1, roof 1 is connected by the second arc surface 5 with the first side wall 2.Thus, reduce the difficulty of processing of upper shell 100, carry
The high overall construction intensity of upper shell 100, and improve the overall appearance of upper shell 100.
Wherein, the radius of the second arc surface 5 is R, and the wall thickness of the first side wall 2 is T2, the radius R of the second arc surface 5, first
The wall thickness T of sidewall 22, the thickness T of the roof 1 and internal diameter D of upper shell 1001Meet: 0.5 (T+T2)≤R≤0.5D1.Thus, enter
Reduce to one step the difficulty of processing of upper shell 100, and further increasing the structural strength of upper shell 100, thus enter one
Improve to step the reliability of upper shell 100.
Further, the first side wall 2 having at least one planar portions 21, wherein, planar portions 21 can be one, it is possible to
Think multiple.Planar portions 21 is provided with central axis upright in the intercommunicating pore portion 22 of planar portions 21, is used for arranging micro-compressor
Internal with outside gas passage.For example, it is possible to the exhaustor 8 of micro-compressor is welded on intercommunicating pore portion 22, micro-to realize
The gas communication that type compressor is inside and outside.
The normal of planar portions 21 is θ with the angle of the cross section formation of upper shell 1002, θ2Meet: 0≤θ2≤45°.Example
As, with reference to Fig. 1-Fig. 7, planar portions 21 can be formed on the second arc surface 5, but be not limited to this.Thus, it is simple to processing intercommunicating pore
Portion 22, and can ensure that the overall construction intensity of upper shell 100.
According to embodiments more of the present utility model, the height of upper shell 100 is L, with reference to Fig. 2, the height of upper shell 100
Refer to the spacing between the outer surface of the roof of upper shell 100 and the lower end of the second sidewall 3.The cross section shape of the first side wall 2
Shape is circular, and the internal diameter of the first side wall 2 is D1, the height L of the upper shell 100 and internal diameter D of the first side wall 21Meet: L≤2D1.By
This, can effectively reduce the axial length of upper shell 100, thus be conducive to reducing the overall axial length of micro-compressor,
It is advantageously implemented the miniaturization of micro-compressor, meets the market demand.
Referring to Fig. 1-Fig. 7, the upper shell 100 for micro-compressor according to this utility model embodiment is described
Five specific embodiments.
Embodiment one:
As shown in Figure 1-Figure 3, include according to the upper shell 100 for micro-compressor of this utility model embodiment: top
Wall 1, the first side wall the 2, second sidewall 3 and changeover portion 4, the first side wall 2 is arranged around the periphery of roof 1, the second sidewall 3 and first
Sidewall 2 is connected by changeover portion 4, and changeover portion 4 is formed as straightway.Wherein, the upper end of changeover portion 4 is connected with the first side wall 2, mistake
The lower end of the section of crossing 4 is connected with the second sidewall 3.Roof 1 is connected by the second arc surface 5 with the first side wall 2.The horizontal stroke of upper shell 100
Cross sectional shape is circular, and the shape of cross section of the second sidewall 3 is circular.There is on the first side wall 2 planar portions 21, planar portions
21 are formed on the second arc surface 5, and planar portions 21 is provided with central axis upright in the intercommunicating pore portion 22 of planar portions 21, miniature pressure
The exhaustor 8 of contracting machine can be welded on intercommunicating pore portion 22.The angle that the cross section of the normal of planar portions 21 and upper shell 100 is formed
For θ2。
The binding post installing hole portion 11 that through three are circular, and three binding post installing holes it are formed with on roof 1
Portion 11 can be distributed on roof 1 in product shape.As it is shown in figure 1, insulating part 6 can be provided with in binding post installing hole portion 11,
Binding post 7 is arranged in binding post installing hole portion 11 by insulating part 6.Specifically, binding post 7 is sintered in insulating part 6
In, insulating part 6 is sintered in binding post installing hole portion 11.
Specifically, the sidewall in each binding post installing hole portion 11 is provided with flange 111, and flange 111 is pacified from binding post
The sidewalls vertical in dress hole portion 11 downwardly extends, and chamfering 12 transition between outer surface and the flange 111 of roof 1, chamfering 12 is by wiring
The extension that is inclined upwardly of the sidewall in terminal mounting hole portion 11 is formed, by the between outer surface and the inner surface of roof 1 of flange 111
One arc surface 13 connects.Thus, it is simple to insulating part 6 is sintered in binding post installing hole portion 11.
The outer peripheral face 1111 of flange 111 is formed as cylindrical, and on the bearing of trend of flange 111, the wall thickness of flange 111 is protected
Hold constant.
Specifically, the radius of the first arc surface 13 is r, and the radius of the second arc surface 5 is R, and the thickness of flange 111 is t, top
The thickness of wall 1 is T, and the wall thickness of the second sidewall 3 is T1, the wall thickness of the first side wall 2 is T2, the aperture in binding post installing hole portion 11
For d, the height of flange 111 is h, and the internal diameter of upper shell 100 is D1, the internal diameter of the second sidewall 3 is D2, chamfering 12 is on roof 1
The a length of C of orthographic projection, the distance between the central axis in adjacent two binding post installing hole portions 11 is S, the height of upper shell 100
Degree is L.
Wherein h, r, t, T and d meet: t≤h≤r+d*T/t, t and T meets: 0.35T≤t≤T, C meet: 0.5mm≤C
≤ 2T, S meet: S >=2d+3t, D1、D2And T1Meet: D2≥D1+0.1T1, R, T2, T and D1Meet: 0.5 (T+T2)≤R≤
0.5D1, θ2Meet: 0≤θ2≤ 45 °, L and D1Meet: L≤2D1.Thus, it is possible to easily insulating part 6 is sintered in binding post
In installing hole portion 11, it is effectively guaranteed electrical safety distance and drastically increases the structural strength of insulating part 6, thus improving
The reliability of upper shell 100.Additionally, also significantly reduce difficulty of processing, reduce processing cost.
Embodiment two:
As shown in Figure 4, the present embodiment is roughly the same with the structure of embodiment one, and the most identical parts use identical attached
Figure labelling, difference is: in embodiment one, flange 111 downwardly extends from the sidewalls vertical in binding post installing hole portion 11,
The flange 111 in the present embodiment sidewalls vertical from binding post installing hole portion 11 upwardly extends.
Specifically, with reference to Fig. 4, the flange 111 sidewalls vertical from binding post installing hole portion 11 upwardly extends, roof 1
Inner surface and flange 111 between chamfering 12 transition, chamfering 12 is by the downward-sloping extension of sidewall in binding post installing hole portion 11
Formed, be connected by the first arc surface 13 between the outer surface of flange 111 and the outer surface of roof 1.Thus, it is simple to by insulating part
6 are sintered in binding post installing hole portion 11, consequently facilitating be arranged in binding post 7 installing hole by binding post 7.Additionally,
The inner space of the upper shell 100 taken when flange 111 extends straight down can also be saved, improve the interior of upper shell 100
Portion's space availability ratio, and easy to process, reduce processing cost.
Embodiment three:
As it is shown in figure 5, the present embodiment is roughly the same with the structure of embodiment one, the most identical parts use identical attached
Figure labelling, difference is: in embodiment one, the outer peripheral face 1111 of flange 111 is formed as cylindrical, turning in the present embodiment
The outer peripheral face 1111 on limit 111 is formed as cone.
Specifically, the cone angle of cone is θ1, θ1Meet: 0 ＜ θ1≤45°.Thus, create a further reduction flange 111
Difficulty of processing, thus create a further reduction processing cost.
Embodiment four:
As shown in Figure 6, the present embodiment is roughly the same with the structure of embodiment three, and the most identical parts use identical attached
Figure labelling, difference is: in embodiment three, the changeover portion 4 between the first side wall 2 and the second sidewall 3 is formed as straightway,
In the present embodiment, the changeover portion 4 between the first side wall 2 and the second sidewall 3 is formed as arc section, and the lower end of arc section and second
Sidewall 3 is tangent.Thus, improve the overall construction intensity of upper shell 100, and be easy to the machine-shaping of upper shell 100.
Embodiment five:
As it is shown in fig. 7, the present embodiment is roughly the same with the structure of embodiment four, the most identical parts use identical attached
Figure labelling, difference is: in embodiment four, the changeover portion 4 between the first side wall 2 and the second sidewall 3 is formed as arc section,
The lower end of arc section is tangent with the second sidewall 3, and in the present embodiment, the changeover portion 4 between the first side wall 2 and the second sidewall 3 is formed
For arc section, the upper end of arc section is tangent with the first side wall 2.Thus, the mistake between the second sidewall 3 and the first side wall 2 can be made
Cross and become apparent from, thus beneficially upper shell 100 assembles further with main casing body.
According to the upper shell 100 for micro-compressor of this utility model embodiment, by appropriate design binding post
The relative dimensions in installing hole portion 11, it is simple to be sintered in by insulating part 6 in binding post installing hole portion 11, is effectively guaranteed electrically
Safe distance and drastically increase the structural strength of insulating part 6, thus improve the reliability of upper shell 100.Additionally, upper casing
The Miniaturization Design of the inner space utilization rate height of body 100, beneficially micro-compressor and assembling, and easy to process, beautiful outline form
See, low cost.
According to this utility model second aspect embodiment micro-compressor, including according to the above-mentioned first aspect of this utility model
The upper shell 100 for micro-compressor of embodiment.
According to this utility model second aspect embodiment micro-compressor, by arranging according to this utility model above-mentioned first
The upper shell 100 for micro-compressor of aspect embodiment, improves the reliability of micro-compressor.
In the description of this specification, reference term " embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " concrete example " or " some examples " etc. means to combine this embodiment or the specific features of example description, knot
Structure, material or feature are contained at least one embodiment of the present utility model or example.In this manual, to above-mentioned art
The schematic representation of language is not necessarily referring to identical embodiment or example.And, the specific features of description, structure, material or
Person's feature can combine in any one or more embodiments or example in an appropriate manner.
Embodiment the most of the present utility model, it will be understood by those skilled in the art that:
In the case of without departing from principle of the present utility model and objective, these embodiments can be carried out multiple change, revise, replace
And modification, scope of the present utility model is limited by claim and equivalent thereof.
Claims (14)
1. the upper shell for micro-compressor, it is characterised in that including:
Roof, described roof is formed the binding post installing hole portion that through at least two is circular, each described terminals
The sidewall in sub-installing hole portion is provided with flange, chamfered transition between described roof and described flange；
The first side wall, described the first side wall is arranged around the periphery of described roof；
It is connected by the first arc surface between a side surface towards overbending direction and the described roof of described flange, described first
The radius of arc surface is r, and the maximum gauge of described flange is t, and the thickness of described roof is T, described binding post installing hole portion
Aperture be d, the height of described flange is h, wherein said h, r, t, T and d meet: t≤h≤r+d*T/t.
Upper shell for micro-compressor the most according to claim 1, it is characterised in that described t, T meet: 0.35T
≤t≤T。
Upper shell for micro-compressor the most according to claim 1 and 2, it is characterised in that described chamfering is described
The a length of C of orthographic projection, described C on roof meets: 0.5mm≤C≤2T.
Upper shell for micro-compressor the most according to claim 1, it is characterised in that described flange is from described wiring
The sidewalls vertical in terminal mounting hole portion extends up or down.
Upper shell for micro-compressor the most according to claim 1, it is characterised in that the outer peripheral face shape of described flange
Become cylindrical or conical.
Upper shell for micro-compressor the most according to claim 5, it is characterised in that when the outer peripheral face of described flange
When being formed as cone, the cone angle of described cone is θ1, described θ1Meet: 0 ＜ θ1≤45°。
Upper shell for micro-compressor the most according to claim 1, it is characterised in that adjacent two described terminals
Distance between the central axis in sub-installing hole portion is S, and described S meets: S >=2d+3t.
Upper shell for micro-compressor the most according to claim 1, it is characterised in that described the first side wall transversal
Face is generally circular in shape, and the internal diameter of described the first side wall is D1, described upper shell farther includes:
Second sidewall, described second sidewall is connected with one end away from described roof of described the first side wall, described second sidewall
Shape of cross section be circular, the internal diameter of described second sidewall is D2, the wall thickness of described second sidewall is T1, described D1、D2And T1
Meet: D2≥D1+0.1T1。
Upper shell for micro-compressor the most according to claim 8, it is characterised in that described second sidewall is with described
The first side wall is connected by changeover portion, and described changeover portion is straightway or arc.
Upper shell for micro-compressor the most according to claim 9, it is characterised in that when described changeover portion is arc
During line segment, described changeover portion is tangent with at least one in described second sidewall and described the first side wall.
11. upper shells for micro-compressor according to claim 1, it is characterised in that the horizontal stroke of described the first side wall
Cross sectional shape is circular, and the internal diameter of described the first side wall is D1,
Described roof is connected by the second arc surface with described the first side wall, and the radius of described second arc surface is R, and described first
The wall thickness of sidewall is T2, described R, T2, T and D1Meet: 0.5 (T+T2)≤R≤0.5D1。
12. upper shells for micro-compressor according to claim 1, it is characterised in that have on described the first side wall
At least one planar portions, described planar portions is had to be provided with central axis upright in the intercommunicating pore portion of described planar portions, described plane
The normal in portion is θ with the angle of the cross section formation of described upper shell2, described θ2Meet: 0≤θ2≤45°。
13. upper shells for micro-compressor according to claim 1, it is characterised in that the height of described upper shell
For L, the shape of cross section of described the first side wall is circular, and the internal diameter of described the first side wall is D1, described L, D1Meet: L≤2D1。
14. 1 kinds of micro-compressors, it is characterised in that include according to according to any one of claim 1-13 for miniature pressure
The upper shell of contracting machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620689553.7U CN205841202U (en) | 2016-06-30 | 2016-06-30 | For the upper shell of micro-compressor and the micro-compressor with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620689553.7U CN205841202U (en) | 2016-06-30 | 2016-06-30 | For the upper shell of micro-compressor and the micro-compressor with it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205841202U true CN205841202U (en) | 2016-12-28 |
Family
ID=58150169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620689553.7U Active CN205841202U (en) | 2016-06-30 | 2016-06-30 | For the upper shell of micro-compressor and the micro-compressor with it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205841202U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106015002A (en) * | 2016-06-30 | 2016-10-12 | 广东美芝制冷设备有限公司 | Upper casing for micro compressor and micro compressor with upper casing |
-
2016
- 2016-06-30 CN CN201620689553.7U patent/CN205841202U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106015002A (en) * | 2016-06-30 | 2016-10-12 | 广东美芝制冷设备有限公司 | Upper casing for micro compressor and micro compressor with upper casing |
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