CN206958042U - Metal plate connection structure and household electrical appliance - Google Patents
Metal plate connection structure and household electrical appliance Download PDFInfo
- Publication number
- CN206958042U CN206958042U CN201720930497.6U CN201720930497U CN206958042U CN 206958042 U CN206958042 U CN 206958042U CN 201720930497 U CN201720930497 U CN 201720930497U CN 206958042 U CN206958042 U CN 206958042U
- Authority
- CN
- China
- Prior art keywords
- metal plate
- screw
- hole
- connection structure
- aperture
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The utility model provides a kind of metal plate connection structure and household electrical appliance.Wherein, metal plate connection structure includes：Inner side metal plate, outside metal plate and screw, screw hole is offered on the metal plate of inner side；Through hole corresponding with screw hole is offered on the metal plate of outside；Screw includes screw cap and with externally threaded screw rod, and the minimum range of the axis of through hole to through hole hole wall is between screw hole aperture and screw external diameter.Above-mentioned technical proposal, design outside metal plate on through hole axis to through hole hole wall minimum range between screw hole aperture and screw external diameter, both so that screw wipes the sprayed coating on outer metal plate surface around through hole off using the screw thread on screw screw rod when fastening, contact resistance is realized between reduction metal plate to improve Electro Magnetic Compatibility；It is easy to the through hole on the outside of during assembling on metal plate to be smoothly aligned with the screw hole on the metal plate of inner side again, realizes that screw fastens, do not influence efficiency of assembling.
Description
Technical field
Technical field of electromagnetic compatibility is the utility model is related to, more specifically, is related to a kind of metal plate connection structure and one kind
Household electrical appliance.
Background technology
The electromagnetic compatibility of electric equipment products is one of technical barrier of current electric equipment products exploitation, and the reasonable experiment proof that refers to subtracts
Contact resistance can improve the Electro Magnetic Compatibility of electric equipment products between small metal plate.In conventional design, the screw of metal plate and metal plate
Connection is that screw passes through outside metal plate, and the tooth line of screw is locked on the metal plate of inner side, and outside metal plate is a through hole, the chi in this hole
Very little typically to use sprayed product yet with outside metal plate between screw external diameter and screw cap diameter, face coat is has
Machine resin-insulated material, conductive resistance is big between interior outside metal plate, and Electro Magnetic Compatibility is poor.
Utility model content
The utility model is intended at least solve one of technical problem present in prior art.
Therefore, the purpose of one side of the present utility model is, there is provided a kind of metal plate connection structure.
The purpose of other side of the present utility model is, there is provided a kind of air conditioning chamber for including above-mentioned metal plate connection structure
Outer machine.
To achieve the above object, the technical solution of the utility model provides a kind of metal plate connection structure, including：Inner side metal plate
Gold, screw hole is offered on the inner side metal plate；Outside metal plate, offer on the outside metal plate corresponding with the screw hole
Through hole；And screw, the screw include screw cap and with externally threaded screw rods, the axis of the through hole to the through hole hole wall
Minimum range between the screw hole aperture and the screw external diameter.
The metal plate connection structure that the utility model above-mentioned technical proposal provides, screw pass through the through hole on the metal plate of outside, spiral shell
Screw-threaded coupling on oncomelania bar realizes that inner side metal plate is fastenedly connected with outside metal plate in the screw hole on the metal plate of inner side；Design
On the metal plate of outside the axis of through hole to the minimum range of through hole hole wall between screw hole aperture and screw external diameter, on the one hand
The axis of through hole is more than screw external diameter to the minimum range of through hole hole wall on the metal plate of outside, and such screw can utilize spiral shell when fastening
Screw thread on oncomelania bar wipes the sprayed coating on outer metal plate surface around through hole off, i.e., using screw by the sprayed coating on outside metal plate surface
Scrape off, realize that contact resistance is to improve Electro Magnetic Compatibility (EMC) between reducing metal plate；The axis of through hole on the metal plate of another aspect outside
The minimum range of line to through hole hole wall is more than inner side metal plate upper bolt aperture aperture, has both been easy to when so assembling logical on the metal plate of outside
Hole is aligned with the screw hole on the metal plate of inner side, be easy to again screw be successfully inserted at outside metal plate on through hole in, do not influence to assemble
Efficiency.
In addition, the metal plate connection structure that the utility model above-mentioned technical proposal provides can also have following supplementary technology special
Sign：
In the above-mentioned technical solutions, the through hole is elliptical aperture, and the short axle length of the elliptical aperture is between the screw hole hole
Between footpath and the screw external diameter.
Be elliptical aperture by the via design on the metal plate of outside, and the short axle length of elliptical aperture between hole aperture and screw external diameter it
Between so that at least the screw thread on screw screw rod can be utilized to wipe off positioned at the spray of the surface on the short axle periphery of elliptical aperture when screw fastens
Coating, realize that contact resistance is to improve Electro Magnetic Compatibility between reducing metal plate.
In the above-mentioned technical solutions, the long axial length of the elliptical aperture between the screw external diameter and the screw cap diameter it
Between；Or the major axis length of the elliptical aperture is more than or equal to the screw cap diameter.
The long axial length of elliptical aperture is designed between screw external diameter and screw cap diameter, on the one hand designs the major axis of elliptical aperture
Long to be more than screw external diameter, the elliptical aperture being both easy to when so assembling on the metal plate of outside is aligned with the screw hole on the metal plate of inner side, is dropped
The requirement of low alignment precision, it is easy to again in the through hole that screw is successfully inserted on the metal plate of outside, does not influence efficiency of assembling；On the other hand
The long axial length of design elliptical aperture is less than screw cap diameter, is all covered on the metal plate of outside using the screw cap of screw after so assembling
Elliptical aperture, it is ensured that cosmetic look, and avoid outside debris by the gap between elliptical aperture and screw enter inner side metal plate
Inner side；It is of course also possible to the major axis length for designing elliptical aperture is more than or equal to screw cap diameter, further to reduce on the metal plate of outside
Elliptical aperture and inner side metal plate on screw hole alignment precision requirement, lift efficiency of assembling.
In the above-mentioned technical solutions, the through hole is circular hole, and the aperture of the circular hole is between the screw hole aperture and institute
State between screw external diameter.
Be circular hole by the via design on the metal plate of outside, and the aperture of circular hole between screw hole aperture and screw external diameter it
Between, both it had been easy to screw to wipe the sprayed coating on metal plate surface outside circular when fastening off using the screw thread on screw screw rod, realization subtracts
Contact resistance is to improve Electro Magnetic Compatibility between small metal plate；Circular hole on the outside of when being easy to assembling again on metal plate smoothly with the metal plate of inner side
Screw hole alignment, realize screw fasten, do not influence efficiency of assembling.
In the above-mentioned technical solutions, the through hole is plum blossom hole, and the axis of the plum blossom hole is adjacent to the plum blossom hole
The distance of the hole wall of the junction of petal is between the screw hole aperture and the screw external diameter.
By via design into plum blossom hole, and the axis of plum blossom hole to the hole wall of the junction of the adjacent petal of plum blossom hole away from
From when between screw hole aperture and screw external diameter, being both easy to screw to fasten plum blossom hole is wiped off using the screw thread on screw screw rod
Around outer metal plate surface sprayed coating, realize between reduction metal plate contact resistance to improve Electro Magnetic Compatibility；Outside when being easy to assemble again
Plum blossom hole on the metal plate of side is smoothly aligned with the screw hole on the metal plate of inner side, is realized that screw fastens, is not influenceed efficiency of assembling.
In any of the above-described technical scheme, the thickness of the inner side metal plate is less than 1mm, and the screw hole is described to be molded over
Flanging bore on the metal plate of inner side.
When the thickness of inner side metal plate is less than 1mm, screw hole is designed as flanging bore, to increase the depth of screw hole, lifting
The bonding strength of screw and inner side metal plate, and then lift the connection reliability of inner side metal plate and outside metal plate.
In any of the above-described technical scheme, the thickness of the inner side metal plate is more than or equal to 1mm, and the screw hole is along institute
The thickness direction for stating inner side metal plate penetrates the through hole of the inner side metal plate.
When the thickness of inner side metal plate is more than or equal to 1mm, screw hole is directly designed to through hole, convenient formation, processing effect
Rate is high, i.e., has enough contacts area with inner side metal plate in guarantee screw, it is ensured that before screw and inner side metal plate bonding strength
Put, improve processing efficiency.
In any of the above-described technical scheme, the outer surface of the outside metal plate is coated with insulating organic resin material layer.
In outside, the outer surface of metal plate is coated with insulating organic resin material layer, has both ensured the appearance of outside metal plate,
Reach the antiseptic and rustproof beneficial effect such as anticreep again.
The technical scheme of other side of the present utility model provides a kind of household electrical appliance, including any of the above-described technical side
Metal plate connection structure described in case.
The household electrical appliance that the utility model above-mentioned technical proposal provides, because it includes the metal plate described in any of the above-described technical scheme
Golden attachment structure, thus described household electrical appliance have the beneficial effect of the metal plate connection structure described in any of the above-described technical scheme
Fruit, it will not be repeated here.
In the above-mentioned technical solutions, the household electrical appliance are air-conditioner outdoor unit.
In the above-mentioned technical solutions, the valve plates of the air-conditioner outdoor unit are the inner side metal plate of the metal plate connection structure,
The chassis sheet metal of the air-conditioner outdoor unit is the outside metal plate of the metal plate connection structure.
Screw connecting structure between the valve plates and chassis sheet metal of air-conditioner outdoor unit, above-mentioned metal plate can be used to connect
Structure, that is, design chassis sheet metal on be used for beat screw through hole axis to through hole hole wall minimum range between screw hole hole
Between footpath and screw external diameter, to reduce the contact resistance between valve plates and chassis sheet metal and then improve Electro Magnetic Compatibility, and
The via design can ensure not influence efficiency of assembling while contact resistance between reducing metal plate.
Specifically, the valve plates of air-conditioner outdoor unit and chassis sheet metal are in the case where failing to be conductively connected, outside air conditioning chamber
Machine electromagnetic interference (EMI) noise signal can be spread out of by metal refrigerant pipe come so that electromagnetic interference noise signal internal-external machine it
Between cable and metal refrigerant pipe between loop formed resonance, amplify electromagnetic interference noise signal；If lap-joint
Chassis sheet metal use above-mentioned design through hole such as elliptical aperture, it is ensured that screw hole hole of the short axle length of elliptical aperture in valve plates
Between footpath and screw external diameter, the electromagnetic interference signal path formed between air-conditioning internal-external machine through pipeline can be bypassed, and weaken
The electromagnetic interference signal resonance loop formed between air-conditioning internal-external machine through pipeline, solves electromagnetism present in air-conditioning prior art
Interference problem.
Additional aspect and advantage of the present 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
Of the present utility model above-mentioned and/or additional aspect and advantage will in the description from combination accompanying drawings below to embodiment
Become obvious and be readily appreciated that, wherein：
Fig. 1 is the structural representation of metal plate connection structure described in the utility model one embodiment；
Fig. 2 is the mplifying structure schematic diagram in A portions in Fig. 1；
Fig. 3 is the cross section structure diagram of Fig. 1 B-B direction；
Fig. 4 is the mplifying structure schematic diagram in C portions in Fig. 3；
Fig. 5 is the structural representation of the screw described in the utility model one embodiment；
Fig. 6 is the side structure schematic view of screw shown in Fig. 5.
Wherein, corresponding relations of the Fig. 1 into Fig. 6 between reference and component names is：
10 inner side metal plates, 101 screw holes, d screw holes aperture, 20 outside metal plates, 201 elliptical apertures, the long axial lengths of 2a, 2b short axles
Long, 30 screws, 301 screw caps, D1 screw external diameters, D2 screw cap diameters, 302 with externally threaded screw rod.
Embodiment
In order to be more clearly understood that above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the accompanying drawings and tool
The utility model is further described in detail body embodiment.It should be noted that in the case where not conflicting, 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
It is new to be different from mode described here using other and implement, therefore, the scope of protection of the utility model not by
The limitation of following public specific embodiment.
1 to Fig. 6 the metal plate connection structure and household electric according to some embodiments of the utility model are described with reference to the accompanying drawings
Device.
As shown in Figures 1 to 6, according to a kind of metal plate connection structure of the utility model some embodiments offer, including：It is interior
Side metal plate 10, outside metal plate 20 and screw 30.
Specifically, screw hole 101 is offered on inner side metal plate 10；Offered on outside metal plate 20 corresponding with screw hole 101
Through hole；Screw 30 includes screw cap 301 and with externally threaded screw rod 302, the most narrow spacing of the axis of through hole to through hole hole wall
From between screw hole aperture d and screw outer diameter D 1.
As shown in Figure 2 and Figure 4, it is illustrated that in d represent screw hole aperture；As shown in Figure 5 and Figure 6, it is illustrated that in D1 represent
Screw external diameter, wherein screw external diameter refer to externally threaded maximum gauge, i.e., the imaginary circle cylinder overlapped with externally threaded crest
Diameter.
The metal plate connection structure that the utility model above-described embodiment provides, screw 30 pass through the through hole on outside metal plate 20,
Screw-threaded coupling on the screw rod of screw 30 realizes inner side metal plate 10 and outside metal plate 20 in the screw hole 101 on inner side metal plate 10
It is fastenedly connected；Design outside metal plate 20 on through hole axis to through hole hole wall minimum range between screw hole aperture d and spiral shell
Between following closely outer diameter D 1, on the one hand the axis of through hole is more than screw external diameter to the minimum range of through hole hole wall on the metal plate 20 of outside
D1, the screw thread on the screw rod of screw 30 can be utilized to wipe the sprayed coating on outer metal plate surface around through hole off when such screw 30 fastens, i.e.,
The sprayed coating on the surface of outside metal plate 20 is scraped off using screw 30, realizes that contact resistance is to improve Electro Magnetic Compatibility between reducing metal plate
(EMC)；On the other hand the axis of through hole is more than spiral shell on inner side metal plate 10 to the minimum range of through hole hole wall on the metal plate 20 of outside
Nail aperture d, the through hole being both easy to when so assembling on the metal plate 20 of outside are aligned with the screw hole 101 on inner side metal plate 10, again
Be easy to screw 30 be successfully inserted at outside metal plate 20 on through hole in, do not influence efficiency of assembling.
It should be noted that as shown in Figure 5 and Figure 6, the screw 30 of above-described embodiment, standard component can be used, i.e., need not
The structure of screw 30 is improved, improves the versatility of above-mentioned metal plate connection structure.
In general, the outer surface of outside metal plate 20 is coated with coating, the outer surface of inner side metal plate 10 can with applying coating,
Coating can also be not coated by, for the cated situation in surface of inner side metal plate 10, due to the benchmark opened up on inner side metal plate 10
Screw hole aperture d is less than screw outer diameter D 1, thus can wipe reference screw hole off 101 weeks using the screw thread on the screw rod of screw 30
Enclose the coating on the outer surface of metal plate 10 of inner side；Simultaneously by by the via design on outside metal plate 20 for through hole axis to lead to
The minimum range of hole hole wall can equally utilize the spiral shell on the screw rod of screw 30 between screw hole aperture d and screw outer diameter D 1
Line is realized to wipe the coating on the outer surface of through hole outer circumference metal plate 20 off and reduces between metal plate contact resistance to improve electromagnetic compatibility
Property.
Preferably, insulating organic resin material layer is coated with the outer surface of outside metal plate 20, had both ensured outside metal plate 20
Appearance, reach the antiseptic and rustproof beneficial effect such as anticreep again.
In one embodiment of the present utility model, as shown in Figure 2 and Figure 4, through hole is elliptical aperture 201, elliptical aperture 201
The long 2b of short axle is between screw hole aperture d and screw outer diameter D 1.
As shown in Figure 2 and Figure 4, it is illustrated that in 2b represent elliptical aperture short axle length, it is illustrated that in 2a represent elliptical aperture length
Axial length, it is illustrated that in d represent screw hole aperture；As shown in Figure 5 and Figure 6, it is illustrated that in D1 represent screw external diameter, D2 represent screw
Cap diameter.
It is elliptical aperture 201 by the via design on outside metal plate 20, and the long 2b of short axle of elliptical aperture 201 is between screw hole hole
Between footpath d and screw outer diameter D 1 so that can at least utilize the screw thread on the screw rod of screw 30 to wipe off positioned at ellipse when screw 30 fastens
The surface spraying layer on the short axle periphery of circular hole 201, realize that contact resistance is to improve Electro Magnetic Compatibility between reducing metal plate.
Further, as shown in Figure 2 and Figure 4, the long axial length 2a of elliptical aperture 201 is between screw outer diameter D 1 and screw cap diameter
Between D2.
The long axial length 2a of elliptical aperture 201 is designed between screw outer diameter D 1 and screw cap diameter D2, is on the one hand designed ellipse
The long axial length 2a of circular hole 201 is more than screw outer diameter D 1, the elliptical aperture 201 being both easy to when so assembling on the metal plate 20 of outside and inner side
Screw hole 101 on metal plate 10 is aligned, and reduces alignment precision requirement, is easy to screw 30 to be successfully inserted on the metal plate 20 of outside again
In through hole, efficiency of assembling is not influenceed；On the other hand the long axial length 2a of design elliptical aperture 201 is less than screw cap diameter D2, so fills
The whole elliptical apertures 201 covered on the metal plate 20 of outside of screw cap 301 of screw 30 are utilized after matching somebody with somebody, it is ensured that cosmetic look, and keep away
Exempt from outside debris and the inner side of inner side metal plate 10 is entered by the gap between elliptical aperture 201 and screw 30.
It is of course also possible to the long axial length 2a for designing elliptical aperture 201 is more than or equal to screw cap diameter D2, further to reduce
The alignment precision requirement of elliptical aperture 201 and the screw hole 101 on inner side metal plate 10 on outside metal plate 20, lifts efficiency of assembling.
In another embodiment of the present utility model, through hole is circular hole, and the aperture of circular hole is between screw hole aperture d and spiral shell
Between nail outer diameter D 1.
It is circular hole by the via design on outside metal plate 20, and the aperture of circular hole is between screw hole aperture d and screw external diameter
Between D1, the spraying on metal plate surface outside circular was wiped when being both easy to screw 30 to fasten off using the screw thread on the screw rod of screw 30
Layer, realize that contact resistance is to improve Electro Magnetic Compatibility between reducing metal plate；Circular hole on the outside of when being easy to assemble again on metal plate 20 is smooth
It is aligned with the screw hole 101 on inner side metal plate 10, realizes that screw 30 fastens, do not influence efficiency of assembling.
In another embodiment of the present utility model, through hole is plum blossom hole, and the axis of plum blossom hole is adjacent to plum blossom hole
The distance of the hole wall of the junction of petal is between screw hole aperture d and screw outer diameter D 1.
By via design into plum blossom hole, and the axis of plum blossom hole to the hole wall of the junction of the adjacent petal of plum blossom hole away from
Scraped from when between screw hole aperture d and screw outer diameter D 1, being both easy to screw 30 to fasten using the screw thread on the screw rod of screw 30
Fall the sprayed coating on outer metal plate surface around plum blossom hole, realize and reduce between metal plate contact resistance to improve Electro Magnetic Compatibility；It is easy to again
Plum blossom hole on the outside of during assembling on metal plate 20 is smoothly aligned with the screw hole 101 on inner side metal plate 10, realizes that screw 30 fastens, no
Influence efficiency of assembling.
Certainly, the shape of through hole is not limited to above-mentioned elliptical aperture, circular hole, plum blossom hole on outside metal plate 20, and through hole can be with
It is the other shapes such as star endoporus, zigzag endoporus, as long as being scraped when can realize screw fastening using the screw thread on screw screw rod
Fall the sprayed coating on outer metal plate surface around through hole, can realize the purpose of this utility model, all should be in guarantor of the present utility model
In the range of shield.
In some embodiments of the utility model, as shown in figures 1 and 3, the thickness of inner side metal plate 10 is less than 1mm, spiral shell
Nail 101 is the flanging bore being molded on the metal plate 10 of inner side.
When the thickness of inner side metal plate 10 is less than 1mm, screw hole 101 is designed as flanging bore, to increase the depth of screw hole 101
Degree, the bonding strength of lifting screw 30 and inner side metal plate 10, and then the connection for lifting inner side metal plate 10 and outside metal plate 20 is reliable
Property.
In other embodiments of the present utility model, the thickness of inner side metal plate 10 is more than or equal to 1mm, screw hole 101
To penetrate the through hole of inner side metal plate 10 along the thickness direction of inner side metal plate 10.
When the thickness of inner side metal plate 10 is more than or equal to 1mm, screw hole 101 is directly designed to through hole, convenient formation, added
Work efficiency high, i.e., there is enough contacts area with inner side metal plate 10 in guarantee screw 30, it is ensured that screw 30 and inner side metal plate 10
On the premise of bonding strength, processing efficiency is improved.
The embodiment of other side of the present utility model provides a kind of household electrical appliance, including any of the above-described embodiment
Metal plate connection structure.
The household electrical appliance that the utility model above-described embodiment provides, knot is connected because it includes the metal plate of any of the above-described embodiment
Structure, thus household electrical appliance have any of the above-described embodiment metal plate connection structure beneficial effect, will not be repeated here.
In one embodiment of the present utility model, described household electrical appliance are air-conditioner outdoor unit.
In a specific embodiment of the present utility model, as shown in Figures 1 to 4, the valve plates of air-conditioner outdoor unit are metal plate
The inner side metal plate 10 of golden attachment structure, the chassis sheet metal of air-conditioner outdoor unit are the outside metal plate 20 of metal plate connection structure.
In one specific example, reference screw hole 101 is offered as shown in Figure 2 and Figure 4, in valve plates, in chassis sheet metal
Elliptical aperture 201 corresponding with reference screw hole 101 is offered, the long 2b of short axle of elliptical aperture 201 is between screw hole aperture d and screw
Between outer diameter D 1, the long axial length 2a of elliptical aperture 201 is between screw outer diameter D 1 and screw cap diameter D2.
Mode connects for screw is used between the valve plates and chassis sheet metal of air-conditioner outdoor unit, designs and is used to play screw in chassis sheet metal
The long 2b of short axle of 30 elliptical aperture 201 is between screw hole aperture d and screw outer diameter D 1, to reduce valve plates and chassis sheet metal
Between contact resistance so that improve Electro Magnetic Compatibility；It is used for the major axis for beating the elliptical aperture 201 of screw 30 in design chassis sheet metal
Long 2a is between screw outer diameter D 1 and screw cap diameter D2, on the elliptical aperture and valve plates when being assembled with reducing in chassis sheet metal
Reference screw hole alignment precision requirement, so as to ensure not influence efficiency of assembling while contact resistance between reducing metal plate.
Specifically, the valve plates of air-conditioner outdoor unit and chassis sheet metal are in the case where failing to be conductively connected, outside air conditioning chamber
Machine electromagnetic interference (EMI) noise signal can be spread out of by metal refrigerant pipe come so that electromagnetic interference noise signal internal-external machine it
Between cable and metal refrigerant pipe between loop formed resonance, amplify electromagnetic interference noise signal；If lap-joint
Chassis sheet metal use above-mentioned design through hole such as elliptical aperture 201, it is ensured that the long 2b of short axle of elliptical aperture 201 is between screw hole aperture
Between d and screw outer diameter D 1, the electromagnetic interference signal path formed between air-conditioning internal-external machine through pipeline can be bypassed, and subtract
The electromagnetic interference signal resonance loop formed between weak air-conditioning internal-external machine through pipeline, solves electricity present in air-conditioning prior art
Magnetic disturbance problem.
Certainly, above-mentioned metal plate connection structure is not limited to apply between the valve plates and chassis sheet metal of air-conditioner outdoor unit
Connection, can be applied in the connection between other sheet metal components on air-conditioner outdoor unit；Secondly, above-mentioned metal plate connection structure is unlimited
In applying on air-conditioner outdoor unit, the field for needing that metal plate connection is realized by screw is can be applied in other electric equipment products
Close, all should be in the scope of protection of the utility model without departing from design concept of the present utility model.
In summary, the metal plate connection structure that the utility model embodiment provides, the axis of through hole on the metal plate of outside is designed
Line to through hole hole wall minimum range between screw hole aperture and screw external diameter, both cause screw fastening when utilize screw spiral shell
Screw thread on bar wipes the sprayed coating on outer metal plate surface around through hole off, realizes and reduces between metal plate contact resistance to improve electromagnetic compatibility
Property；It is easy to the through hole on the outside of during assembling on metal plate to be smoothly aligned with the screw hole on the metal plate of inner side again, realizes that screw fastens, not shadow
Ring efficiency of assembling.
In description of the present utility model, it is to be understood that the orientation or position relationship of the instruction such as term " on ", " under " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description, rather than instruction
Or imply that signified device or unit must have specific direction, with specific azimuth configuration and operation, it is thus impossible to understand
For to limitation of the present utility model.
In description of the present utility model, unless otherwise clearly defined and limited, term " connected ", " connection ", " Gu
It is fixed " etc. all should be interpreted broadly, for example, " connection " can be fixedly connected or be detachably connected, or integratedly connect
Connect, or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary.For the ordinary skill people of this area
For member, concrete meaning of the above-mentioned term in the utility model can be understood as the case may be.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that combining specific features, structure, material or feature that the embodiment or example describe is contained in of the present utility model at least one
In individual embodiment or example.In this manual, identical embodiment is not necessarily referring to the schematic representation of above-mentioned term
Or example.Moreover, specific features, structure, material or the feature of description can be in any one or more embodiments or example
In combine in an appropriate manner.
Preferred embodiment of the present utility model is these are only, is not limited to the utility model, for this area
Technical staff for, the utility model can have various modifications and variations.It is all within the spirit and principles of the utility model,
Any modification, equivalent substitution and improvements made etc., should be included within the scope of protection of the utility model.
Claims (10)
- A kind of 1. metal plate connection structure, it is characterised in that including：Inner side metal plate, screw hole is offered on the inner side metal plate；Outside metal plate, through hole corresponding with the screw hole is offered on the outside metal plate；WithScrew, the screw include screw cap and with externally threaded screw rods, the axis of the through hole to the through hole hole wall Minimum range is between the screw hole aperture and the screw external diameter.
- 2. metal plate connection structure according to claim 1, it is characterised in thatThe through hole is elliptical aperture, and the short axle length of the elliptical aperture is between the screw hole aperture and the screw external diameter.
- 3. metal plate connection structure according to claim 2, it is characterised in thatThe long axial length of the elliptical aperture is between the screw external diameter and the screw cap diameter；OrThe major axis length of the elliptical aperture is more than or equal to the screw cap diameter.
- 4. metal plate connection structure according to claim 1, it is characterised in thatThe through hole is circular hole, and the aperture of the circular hole is between the screw hole aperture and the screw external diameter.
- 5. metal plate connection structure according to claim 1, it is characterised in thatThe through hole is plum blossom hole, the axis of the plum blossom hole to the hole wall of the junction of the adjacent petal of the plum blossom hole away from From between the screw hole aperture and the screw external diameter.
- 6. metal plate connection structure according to any one of claim 1 to 5, it is characterised in thatThe thickness of the inner side metal plate is less than 1mm, and the screw hole is the flanging bore being molded on the inner side metal plate.
- 7. metal plate connection structure according to any one of claim 1 to 5, it is characterised in thatThe thickness of the inner side metal plate is more than or equal to 1mm, and the screw hole is to be penetrated along the thickness direction of the inner side metal plate The through hole of the inner side metal plate.
- 8. metal plate connection structure according to any one of claim 1 to 5, it is characterised in thatThe outer surface of the outside metal plate is coated with insulating organic resin material layer.
- 9. a kind of household electrical appliance, it is characterised in that including the metal plate connection structure as any one of claim 1 to 8.
- 10. household electrical appliance according to claim 9, it is characterised in thatThe household electrical appliance are air-conditioner outdoor unit, and the valve plates of the air-conditioner outdoor unit are the inner side metal plate of the metal plate connection structure Gold, the chassis sheet metal of the air-conditioner outdoor unit are the outside metal plate of the metal plate connection structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720930497.6U CN206958042U (en) | 2017-07-28 | 2017-07-28 | Metal plate connection structure and household electrical appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720930497.6U CN206958042U (en) | 2017-07-28 | 2017-07-28 | Metal plate connection structure and household electrical appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206958042U true CN206958042U (en) | 2018-02-02 |
Family
ID=61381767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720930497.6U Active CN206958042U (en) | 2017-07-28 | 2017-07-28 | Metal plate connection structure and household electrical appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206958042U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107269641A (en) * | 2017-07-28 | 2017-10-20 | 广东美的制冷设备有限公司 | Metal plate connection structure and household electrical appliance |
-
2017
- 2017-07-28 CN CN201720930497.6U patent/CN206958042U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107269641A (en) * | 2017-07-28 | 2017-10-20 | 广东美的制冷设备有限公司 | Metal plate connection structure and household electrical appliance |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206958042U (en) | Metal plate connection structure and household electrical appliance | |
| CN106505284A (en) | A kind of surface-mount type microwave ferrite circulator | |
| CN107269641A (en) | Metal plate connection structure and household electrical appliance | |
| CN105281051A (en) | Graphite grounding body connecting device for power transmission line tower grounding grid | |
| CN207381536U (en) | A kind of torque tightly locks attachment device | |
| CN207161488U (en) | A kind of high durable stud baking vanish part of protection | |
| CN209418788U (en) | A kind of fixation device for the installation grounding-for-lightning device on roofing | |
| CN205609724U (en) | Cavity resonance restraines structure | |
| CN207800934U (en) | A kind of nested type band steel ground connection extending apparatus | |
| CN208503225U (en) | A kind of electric installation of self-clinching nut and electronic equipment | |
| CN209228842U (en) | A kind of rivet nut component for electrical grounding | |
| CN208986227U (en) | Motor socket and motor thereof | |
| CN207583798U (en) | The anti-interference screw of high leakproofness | |
| CN106848502A (en) | Wave filter and its coupling structure of filter and coupling screws | |
| CN202094387U (en) | Improved N-type connector | |
| CN105977800A (en) | Mute type power supply cabinet | |
| CN209168866U (en) | A kind of noise reducing type box type transformer | |
| CN215601728U (en) | Anti-electromagnetic interference heat dissipation coating | |
| CN207489739U (en) | Knob water repellent component and electronic device | |
| CN209963367U (en) | Patch type vacuum sealing electric appliance interface | |
| CN219181703U (en) | Infrared plate assembly and coating machine | |
| CN210467551U (en) | Inductor that interference killing feature is good | |
| CN207583791U (en) | The communication apparatus screw of tape insulation function of shielding | |
| CN208478735U (en) | A kind of feed-through capacitor connector | |
| CN215109857U (en) | Control rod upper support seat assembly stable in installation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |