CN207234061U - Connecting terminal components, compressor and junction block - Google Patents

Abstract

The utility model proposes a kind of connecting terminal components, a kind of compressor and a kind of junction block, wherein, connecting terminal components are used for compressor, including：Housing unit, on the shell of shell；At least one first binding post, through housing unit, the first binding post of part is located in shell, and the first binding post of part is located at outside shell；At least one second binding post, through housing unit, the second binding post of part is located in shell, and the second binding post of part is located at outside shell；Wherein, the cross-sectional area for the first binding post being at least partially disposed at outside shell is more than or less than the cross-sectional area of the second binding post outside shell.The utility model proposes connecting terminal components, since the first binding post is different from the cross-sectional area of the second binding post, it can not be inserted into if plug wire mode mistake, realize fool-proof design, wiring error when avoiding compressor installation, so as to eliminate the risk that compressor is burnt by wiring error.

Description

Connecting terminal components, compressor and junction block

Technical field

Compressor Technology field is the utility model is related to, in particular to a kind of connecting terminal components, a kind of compressor With a kind of junction block.

Background technology

In the related art, as shown in Figure 1, compressor polished rod type connecting terminal components 1 ' are 120 ° of rotational symmetry, i.e., three Piece-root grafting terminal 12 ' is respectively positioned at three fixed points of equilateral triangle, and integral type junction block is there are three kinds of mounting means, i.e., and 0 240 degree of degree installation, 120 degree of installations of rotation or rotation installations, so this may result in wiring error, burn compressor, now prevent The method of wiring error is mostly to increase the mark such as R/C/S on upper shell, instructs compressor installation personnel wiring, has no physically Fool proof, however it remains the security risk of wiring error.

Utility model content

The utility model is intended at least solve one of technical problem existing in the prior art.

For this reason, the first aspect embodiment of the utility model, the utility model provides one kind and physically prevents from compressing The connecting terminal components of wiring error when machine is installed.

The second aspect embodiment of the utility model, the utility model provide one kind and are provided with above-mentioned connecting terminal components Compressor.

The third aspect embodiment of the utility model, the utility model provides a kind of mutually fits with above-mentioned connecting terminal components The junction block matched somebody with somebody.

In view of this, first aspect embodiment according to the present utility model, the utility model proposes a kind of wire connection terminal Component, for compressor, including：Housing unit, on the shell of compressor；At least one first binding post, through shell Body component, the first binding post of part are located in shell, and the first binding post of part is located at outside shell；At least one second binding post, Through housing unit, the second binding post of part is located in shell, and the second binding post of part is located at outside shell；Wherein, at least partly The cross-sectional area of the first binding post outside shell is more than or less than the cross section face of the second binding post outside shell Product.

The utility model proposes connecting terminal components, housing group is extended through by the first binding post and the second binding post Part, the first binding post positioned at enclosure are used to be connected with the motor in shell with the second binding post positioned at enclosure Connect, and the first binding post positioned at housing exterior is used to plug with junction block with the second binding post positioned at housing exterior, and Since the cross-sectional area for the first junction block for being at least partially disposed at enclosure is more than or less than second positioned at enclosure The cross-sectional area of binding post, when junction block is plugged with wire connection terminal, due to the first binding post and the horizontal stroke of the second binding post Area of section is different, can not be inserted into if plug wire mode mistake, realize fool-proof design, and wiring is wrong when avoiding compressor installation By mistake, so as to eliminate the risk that compressor is burnt by wiring error.

In addition, the connecting terminal components in above-described embodiment provided by the utility model can also have following supplementary technology Feature：

In the above-mentioned technical solutions, it is preferable that the part that the first binding post is located at outside shell is in hierarchic structure；Hierarchic structure Cross-sectional area away from housing unit part is more than or less than cross-sectional area of the hierarchic structure close to housing unit part.

In the technical scheme, hierarchic structure, and ladder are arranged to by the way that the first binding post is located at the part outside shell Cross-sectional area of the structure away from housing unit part is more than cross-sectional area of the hierarchic structure close to housing unit part, and greatly In the cross-sectional area of the second binding post of the part outside shell；Alternatively, horizontal stroke of the hierarchic structure away from housing unit part Area of section is less than cross-sectional area of the hierarchic structure close to housing unit part, and less than second of the part outside shell The cross-sectional area of binding post, and then ensure that the fool proof effect of compressor wiring.

In any of the above-described technical solution, it is preferable that the cross section of the first binding post is following any shape：Circular, Polygon or ellipse；The cross section of second binding post is following any shape：Circular, polygon or ellipse.

In the technical scheme, the shape of the cross section of the first binding post can be circular, polygon or ellipse；Second The shape of the cross section of binding post can be circular, polygon or ellipse, can be by the first wiring in order to meet different needs Column and the second binding post are respectively set to circular, polygon or ellipse.

In any of the above-described technical solution, it is preferable that shape of cross section of the hierarchic structure away from housing unit part is with leaning on The shape of cross section of nearly housing unit part is identical or different.

In the technical scheme, shape of cross section of the hierarchic structure away from housing unit part and close housing unit part Shape of cross section can be identical, reduce the difficulty of processing of the first binding post, reduce production cost, improve production effect Rate；Alternatively, shape of cross section of the hierarchic structure away from housing unit part and the shape of cross section close to housing unit part Can be different, to ensure the otherness of the first binding post and the second binding post, it ensure that the fool proof effect of connecting terminal components.

In any of the above-described technical solution, it is preferable that the cross section of the first binding post is circle；Second binding post it is transversal Face is circle；Wherein, the radius of cross section of the hierarchic structure away from housing unit part is more than the second wiring outside shell The radius of the cross section of column, and the diameter of the cross section less than or equal to the second binding post outside shell.

In the technical scheme, the cross section of the first binding post and the second binding post is circle, to facilitate the first wiring The manufacturing of column and the second binding post, and by the way that the radius of cross section of the hierarchic structure away from housing unit part is arranged to More than the radius of the cross section of the second binding post outside shell, and then it ensure that the fool proof effect of connecting terminal components, and And the second wiring for being set smaller than being equal to outside shell by the radius of cross section of the hierarchic structure away from housing unit part The diameter of the cross section of column, it is excessive and cause wiring so as to avoid cross-sectional area of the hierarchic structure away from housing unit part The inconvenience of terminal assemblies installation.

In any of the above-described technical solution, it is preferable that the cross section of the first binding post is circle；Second binding post it is transversal Face is circle；Wherein, the diameter of cross section of the hierarchic structure away from housing unit part is less than the second wiring outside shell The diameter of the cross section of column, and the radius of the cross section more than or equal to the second binding post outside shell.

In the technical scheme, the cross section of the first binding post and the second binding post is circle, to facilitate the first wiring The manufacturing of column and the second binding post, and by the way that the diameter of cross section of the hierarchic structure away from housing unit part is arranged to Less than the diameter of the cross section of the second binding post outside shell, and then it ensure that the fool proof effect of connecting terminal components, and And the second wiring for being set greater than being equal to outside shell by the diameter of cross section of the hierarchic structure away from housing unit part The radius of the cross section of column, so as to avoid cross-sectional area of the hierarchic structure away from housing unit part be too small and related circuit Normal operation.

In any of the above-described technical solution, it is preferable that diameter of the hierarchic structure close to the cross section of shrinking away from theshell body components The diameter of the cross section of the second binding post outside equal to shell.

In the technical scheme, by the way that diameter of the hierarchic structure close to the cross section of shrinking away from theshell body components is arranged to Diameter in the cross section of the second binding post outside shell, and then facilitate the production and processing of housing unit.

In any of the above-described technical solution, it is preferable that housing unit includes：Metal shell, is provided with metal shell logical Hole；Glass, is adapted with through hole, and the first binding post and the second binding post run through glass.

In the technical scheme, mutually welded with compressor case by metal shell, ensure that connecting terminal components with it is outer The leakproofness of shell, also, the insulation between each binding post ensure that by glass, it is ensured that the normal operation of circuit, meanwhile, Realize to the sealed connection between the first binding post and metal shell, the second binding post and metal shell.

In any of the above-described technical solution, it is preferable that the quantity of at least one first binding post is one；At least one The quantity of two binding posts is two.

In the technical scheme, the quantity of at least one first binding post is one；The number of at least one second binding post Measure as two, realize the electrical connection to the polyphase windings of compressor electric motor.

In any of the above-described technical solution, it is preferable that first binding post and two the second binding posts are located at three respectively Three angular vertex.

In the technical scheme, by the way that the first binding post and two the second binding posts are separately positioned on three of triangle Vertex so that the more compact structure of connecting terminal components, volume is more compact, reduces Material Cost.

Second aspect embodiment according to the present utility model, the utility model proposes a kind of compressor, including：It is such as above-mentioned Connecting terminal components any one of technical solution.

The compressor that the utility model second aspect embodiment proposes, because including as any one of above-mentioned technical proposal Connecting terminal components, therefore, have connecting terminal components as any one of above-mentioned technical proposal all beneficial to imitating Fruit, no longer states one by one herein.

Third aspect embodiment according to the present utility model, the utility model proposes a kind of junction block, with such as above-mentioned skill Connecting terminal components any one of art scheme are adapted, and junction block includes：At least one first wiring hole, connects with first Terminal is adapted；At least one second wiring hole, is adapted with the second binding post.

The utility model third aspect embodiment propose junction block, by with as any one of above-mentioned technical proposal Connecting terminal components be adapted, and then realize the fool proof effect of compressor wiring, wiring is wrong when avoiding compressor installation By mistake, so as to eliminate the risk that compressor is burnt by wiring error.

The additional aspect and advantage of the utility model will become obvious in following description section, or new by this practicality The practice of type is recognized.

Brief description of the drawings

The above-mentioned and/or additional aspect and advantage of the utility model will in the description from combination accompanying drawings below to embodiment Become obvious and be readily appreciated that, wherein：

Fig. 1 shows the structure diagram of compressor wiring terminal component in correlation technique；

Fig. 2 shows the structure diagram of connecting terminal components provided by the utility model；

Fig. 3 show the A-A of connecting terminal components as shown in Figure 2 to sectional view.

Wherein, the correspondence in Fig. 1 between reference numeral and component names is：

1 ' connecting terminal components, 12 ' binding posts；

Correspondence in Fig. 2 and Fig. 3 between reference numeral and component names is：

1 connecting terminal components, 12 first binding posts, 14 second binding posts, 16 housing units, 162 metal shells, 164 glass Glass.

Embodiment

In order to be more clearly understood that the above-mentioned purpose of the utility model, feature and advantage, below in conjunction with the accompanying drawings and have The utility model is further described in detail in body embodiment.It should be noted that in the case where there is no conflict, this Shen The feature in embodiment and embodiment please can be mutually combined.

Many details are elaborated in the following description in order to fully understand the utility model, still, this practicality New to be implemented using other different from other modes described here, therefore, the scope of protection of the utility model is simultaneously From the limitation of following public specific embodiment.

The connecting terminal components 1 according to the utility model some embodiments offer are described referring to Fig. 2 and Fig. 3.

As shown in Figure 2 and Figure 3, first aspect embodiment according to the present utility model, the utility model provide one kind and connect Line end sub-component 1, for compressor, including：Housing unit 16, on the shell of shell；At least one first binding post 12, through housing unit 16, the first binding post of part 12 is located in shell, and the first binding post of part 12 is located at outside shell；At least One the second binding post 14, through housing unit 16, the second binding post of part 14 is located in shell, the second binding post of part 14 In outside shell；Wherein, the cross-sectional area for the first binding post 12 being at least partially disposed at outside shell is more than or less than and is located at shell The cross-sectional area of the second outer binding post 14.

Connecting terminal components 1 provided by the utility model, are extended through by the first binding post 12 and the second binding post 14 Housing unit 16, the first binding post 12 positioned at enclosure and the second binding post 14 positioned at enclosure be used for in shell Motor be connected, compatible existing integral type protector or Integral joint, and positioned at housing exterior the first binding post 12 With being used to plug with junction block positioned at the second binding post 14 of housing exterior, and due to being at least partially disposed at the of enclosure The cross-sectional area of one junction block is more than or less than the cross-sectional area of the second binding post 14 positioned at enclosure, works as junction block When being plugged with wire connection terminal, since the first binding post 12 is different from the cross-sectional area of the second binding post 14, such as plug wire mode Mistake can not be then inserted into, and realize fool-proof design, wiring error when avoiding compressor installation, so as to eliminate compressor because connecing The risk that line mistake is burnt.

Wherein, specifically, the cross-sectional area of the first binding post 12 can be more than the cross-sectional area of the second binding post 14, The cross-sectional area of the second binding post 14 is might be less that, due to the cross-sectional area and the second binding post 14 of the first binding post 12 There is difference between cross-sectional area, therefore, in grafting junction block, by the cooperation with connecting terminal components 1 of junction block, Realize the fool proof of compressor wiring.

In one embodiment of the utility model, alternatively, as shown in Figure 2 and Figure 3, the first binding post 12 is located at shell Outer part is in hierarchic structure；Cross-sectional area of the hierarchic structure away from 16 part of housing unit is more than hierarchic structure close to housing The cross-sectional area of 16 part of component.

In this embodiment, hierarchic structure, and ladder are arranged to by the way that the first binding post 12 is located at the part outside shell Cross-sectional area of the structure away from 16 part of housing unit is more than cross-sectional area of the hierarchic structure close to 16 part of housing unit, And the cross-sectional area of the second binding post 14 more than the part outside shell, it ensure that the fool proof effect of compressor wiring.

Wherein it is preferred to the cross section of the first binding post 12 is circle；The cross section of second binding post 14 is circle.

In this embodiment, the cross section of the first binding post 12 and the second binding post 14 is circle, to facilitate first to connect The manufacturing of 12 and second binding post 14 of terminal.

Wherein it is preferred to the radius D2/2 of cross section of the hierarchic structure away from 16 part of housing unit, which is more than, is located at shell The radius D1/2 of the cross section of the second outer binding post 14, and less than or equal to the cross section of the second binding post 14 outside shell Diameter D1.I.e. the value range of cross section of the hierarchic structure away from 16 part of housing unit is D1 ＜ D2≤2D1.

In this embodiment, by the way that the radius of cross section of the hierarchic structure away from 16 part of housing unit is set greater than The radius of the cross section of the second binding post 14 outside shell, and then ensure that the fool proof effect of connecting terminal components 1, and And be set smaller than being equal to outside shell by the radius of cross section of the hierarchic structure away from 16 part of housing unit second connects The diameter of the cross section of terminal 14, it is excessive and make so as to avoid cross-sectional area of the hierarchic structure away from 16 part of housing unit The inconvenience installed into connecting terminal components 1.

In another embodiment of the utility model, alternatively, the part that the first binding post 12 is located at outside shell is in rank Terraced structure；Cross-sectional area of the hierarchic structure away from 16 part of housing unit is less than hierarchic structure close to 16 part of housing unit Cross-sectional area.

In this embodiment, cross-sectional area of the hierarchic structure away from 16 part of housing unit is less than hierarchic structure close to shell The cross-sectional area of 16 part of body component, and the cross-sectional area of the second binding post 14 less than the part outside shell, into And it ensure that the fool proof effect of compressor wiring.

Specifically, the cross section of the first binding post 12 is circle；The cross section of second binding post 14 is circle.

In this embodiment, the cross section of the first binding post 12 and the second binding post 14 is circle, to facilitate first to connect The manufacturing of 12 and second binding post 14 of terminal.

Wherein it is preferred to the diameter D2 of cross section of the hierarchic structure away from 16 part of housing unit is less than outside shell The second binding post 14 cross section diameter D1, and half of the cross section more than or equal to the second binding post 14 outside the shell Footpath D1/2.I.e. the diameter value range of cross section of the hierarchic structure away from 16 part of housing unit is D1/2≤D2 ＜ D1.

In this embodiment, by the way that the diameter of cross section of the hierarchic structure away from 16 part of housing unit is set smaller than The diameter of the cross section of the second binding post 14 outside shell, and then ensure that the fool proof effect of connecting terminal components 1, and And be set greater than being equal to outside shell by the diameter of cross section of the hierarchic structure away from 16 part of housing unit second connects The radius of the cross section of terminal 14, so as to avoid cross-sectional area of the hierarchic structure away from 16 part of housing unit be too small and phase Answer the normal operation of circuit.

In one embodiment of the utility model, it is preferable that the cross section of the first binding post 12 is following any shape Shape：Circular, polygon or ellipse；The cross section of second binding post 14 is following any shape：Circular, polygon or ellipse Shape.

In this embodiment, the shape of the cross section of the first binding post 12 can be circular, polygon or ellipse；Second The shape of the cross section of binding post 14 can be circular, polygon or ellipse, in order to meet different needs, can be connect first 12 and second binding post 14 of terminal is respectively set to circular, polygon or ellipse.

Wherein, the first binding post 12 can be identical with the shape of cross section of the second binding post 14 so that each binding post is horizontal The shape in section is unified, to reduce the production difficulty of connecting terminal components 1；Alternatively, the first binding post 12 and the second binding post 14 Shape of cross section can differ, to lift the fool proof effect of connecting terminal components 1.

In one embodiment of the utility model, it is preferable that as shown in Figure 2 and Figure 3, housing unit 16 includes：Metal Housing 162, is provided with through hole on metal shell 162；Glass 164, is adapted with through hole, the first binding post 12 and the second binding post 14 run through glass 164.

In this embodiment, mutually welded with compressor case by metal shell 162, ensure that connecting terminal components 1 with The leakproofness of shell, also, the insulation between each binding post ensure that by glass 164, it is ensured that the normal operation of circuit, Meanwhile realize and the sealing between the first binding post 12 and metal shell 162, the second binding post 14 and metal shell 162 is connected Connect.

In one embodiment of the utility model, it is preferable that as shown in figure 3, hierarchic structure is close from housing unit 16 The diameter d of partial cross section is equal to the diameter D1 of the cross section of the second binding post 14 outside shell.

In this embodiment, by the way that the diameter of the close cross section from 16 part of housing unit of hierarchic structure is arranged to Diameter in the cross section of the second binding post 14 outside shell, and then the production and processing of housing unit 16 is facilitated, specifically, It is boring to wear glass 164, the first binding post 12 and the second binding post 14 on metal shell 162, and hierarchic structure is close From the cross section of 16 part of housing unit diameter be equal to the second binding post 14 outside shell cross section diameter, when When drilling on metal shell 162 and installing glass 164, the instrument of same size can be used to be manufactured.

In one embodiment of the utility model, alternatively, cross section of the hierarchic structure away from 16 part of housing unit Shape is identical with the shape of cross section close to 16 part of housing unit.

In this embodiment, shape of cross section of the hierarchic structure away from 16 part of housing unit and close housing unit 16 The shape of cross section divided can be identical, reduces the difficulty of processing of the first binding post 12, reduces production cost, improves production Efficiency.

In one embodiment of the utility model, alternatively, cross section of the hierarchic structure away from 16 part of housing unit Shape is different from the shape of cross section close to 16 part of housing unit.

In this embodiment, shape of cross section of the hierarchic structure away from 16 part of housing unit and close housing unit 16 The shape of cross section divided can not also be same, to ensure the otherness of the first binding post 12 and the second binding post 14, ensure that wiring The fool proof effect of terminal assemblies 1.

In one embodiment of the utility model, it is preferable that the quantity of at least one first binding post 12 is one；Extremely The quantity of few second binding post 14 is two.

In this embodiment, the quantity of at least one first binding post 12 is one；At least one second binding post 14 Quantity is two, realizes the electrical connection to the polyphase windings of compressor electric motor.

Certainly, the quantity of at least one first binding post 12 can also be two；The number of at least one second binding post 14 Amount can also be one.

In one embodiment of the utility model, it is preferable that first binding post 12 and two the second binding posts 14 It is located at three vertex of triangle respectively.

In this embodiment, by the way that the first binding post 12 and two the second binding posts 14 are separately positioned on the three of triangle A vertex so that the more compact structure of connecting terminal components 1, volume is more compact, reduces Material Cost.

Wherein it is preferred to first binding post 12 and two the second binding posts 14 are located at the three of equilateral triangle respectively A vertex.

Second aspect embodiment according to the present utility model, the utility model proposes a kind of compressor, including：It is such as above-mentioned The connecting terminal components 1 that any embodiment provides.

The compressor that the utility model second aspect embodiment proposes, because of the wiring including being provided such as above-mentioned any embodiment Terminal assemblies 1, therefore, have whole beneficial effects of the connecting terminal components 1 provided such as above-mentioned any embodiment, herein no longer State one by one.

Third aspect embodiment according to the present utility model, the utility model proposes a kind of junction block, with such as above-mentioned The connecting terminal components 1 that one embodiment provides are adapted, and junction block includes：At least one first wiring hole, with the first binding post 12 are adapted；At least one second wiring hole, is adapted with the second binding post 14.

The junction block that the utility model third aspect embodiment proposes, passes through the wiring provided with such as above-mentioned any embodiment Terminal assemblies 1 are adapted, and then realize the fool proof effect of compressor wiring, wiring error when avoiding compressor installation, from And eliminate the risk that compressor is burnt by wiring error.

Herein it should be noted that since connecting terminal components 1 and junction block are connected for supporting patch, this reality Supporting it should be presented with the connecting terminal components 1 and junction block of new offer, it is preferable that junction block is provided with the master of plastic material Body.

In conclusion connecting terminal components 1, compressor and junction block provided by the utility model, pass through the first binding post 12 and second binding post 14 extend through housing unit 16, positioned at enclosure the first binding post 12 with positioned at enclosure Second binding post 14 is used to be connected with the motor in shell, compatible existing integral type protector or Integral joint, and position The first binding post 12 in housing exterior is used to plug with junction block with the second binding post 14 positioned at housing exterior, and due to The cross-sectional area for being at least partially disposed at the first junction block of enclosure is more than or less than the second wiring for being located at enclosure The cross-sectional area of column 14, when junction block and wire connection terminal plug, due to the first binding post 12 and the second binding post 14 Cross-sectional area is different, can not be inserted into if plug wire mode mistake, realize fool-proof design, wiring when avoiding compressor installation Mistake, so as to eliminate the risk that compressor is burnt by wiring error.

In the utility model, the term such as term " installation ", " connected ", " connection ", " fixation " should all be interpreted broadly, example Such as, " connection " can be fixedly connected or be detachably connected, or be integrally connected；" connected " can be directly connected, It can also be indirectly connected by intermediary.For the ordinary skill in the art, can understand as the case may be Concrete meaning of the above-mentioned term in the utility model.

In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc. Mean that combining the particular features, structures, materials, or characteristics that the embodiment or example describe is contained at least the one of the utility model In a embodiment or example.In the present specification, schematic expression of the above terms is not necessarily referring to identical embodiment Or example.Moreover, the particular features, structures, materials, or characteristics of description can be in any one or more embodiments or example In combine in an appropriate manner.

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 (12)

1. A kind of 1. connecting terminal components, for compressor, it is characterised in that including：

   Housing unit, on the shell of the compressor；

   At least one first binding post, through the housing unit, part first binding post is located in the shell, part First binding post is located at outside the shell；

   At least one second binding post, through the housing unit, part second binding post is located in the shell, part Second binding post is located at outside the shell；

   Wherein, the cross-sectional area for first binding post being at least partially disposed at outside the shell is more than or less than positioned at described The cross-sectional area of second binding post outside shell.
2. 2. connecting terminal components according to claim 1, it is characterised in that

   The part that first binding post is located at outside the shell is in hierarchic structure；

   Cross-sectional area of the hierarchic structure away from the housing unit part is more than or less than the hierarchic structure close to institute State the cross-sectional area of housing unit part.
3. 3. connecting terminal components according to claim 2, it is characterised in that

   The cross section of first binding post is following any shape：Circular, polygon or ellipse；

   The cross section of second binding post is following any shape：Circular, polygon or ellipse.
4. 4. connecting terminal components according to claim 3, it is characterised in that

   Shape of cross section of the hierarchic structure away from the housing unit part is transversal with the close housing unit part Face shape is identical or different.
5. 5. connecting terminal components according to claim 3, it is characterised in that

   The cross section of first binding post is circle；

   The cross section of second binding post is circle；

   Wherein, the radius of cross section of the hierarchic structure away from the housing unit part is more than the institute outside the shell State the radius of the cross section of the second binding post, and less than or equal to the cross section of second binding post outside the shell Diameter.
6. 6. connecting terminal components according to claim 3, it is characterised in that

   The cross section of first binding post is circle；

   The cross section of second binding post is circle；

   Wherein, the diameter of cross section of the hierarchic structure away from the housing unit part is less than the institute outside the shell The diameter of the cross section of the second binding post is stated, and be more than or equal to the cross section for second binding post being located at outside the shell Radius.
7. 7. the connecting terminal components according to claim 5 or 6, it is characterised in that

   The diameter of the close cross section from the housing unit part of the hierarchic structure is equal to described in outside the shell The diameter of the cross section of second binding post.
8. 8. connecting terminal components according to any one of claim 1 to 6, it is characterised in that the housing unit includes：

   Metal shell, is provided with through hole on the metal shell；

   Glass, is adapted with the through hole, and first binding post runs through the glass with second binding post.
9. 9. connecting terminal components according to any one of claim 1 to 6, it is characterised in that

   The quantity of at least one first binding post is one；

   The quantity of at least one second binding post is two.
10. 10. connecting terminal components according to claim 9, it is characterised in that

    One first binding post and two second binding posts are located at three vertex of triangle respectively.
11. A kind of 11. compressor, it is characterised in that including：

    Connecting terminal components as any one of claims 1 to 10.
12. 12. a kind of junction block, it is characterised in that mutually fitted with the connecting terminal components as any one of claims 1 to 10 Match somebody with somebody, the junction block includes：

    At least one first wiring hole, is adapted with first binding post；

    At least one second wiring hole, is adapted with second binding post.