CN105388342B - Highly conductive the ability grafting rod and its plug-in connection of electric energy meter electricity box plug socket - Google Patents
Highly conductive the ability grafting rod and its plug-in connection of electric energy meter electricity box plug socket Download PDFInfo
- Publication number
- CN105388342B CN105388342B CN201510922264.7A CN201510922264A CN105388342B CN 105388342 B CN105388342 B CN 105388342B CN 201510922264 A CN201510922264 A CN 201510922264A CN 105388342 B CN105388342 B CN 105388342B
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- energy meter
- highly conductive
- grafting
- circular hole
- plug socket
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/02—Constructional details
- G01R11/04—Housings; Supporting racks; Arrangements of terminals
Abstract
The invention provides highly conductive the ability grafting rod and its plug-in connection of a kind of electric energy meter electricity box plug socket, belong to electric energy meter technical field.It solves the problems such as conductive effect difference in the prior art.The highly conductive ability grafting rod of this electric energy meter electricity box plug socket includes electric current grafting barred body, the inserted terminal that the electric current grafting barred body can plug with energy meter terminal circular hole has conical head, the small end external diameter of conical head is less than the aperture of energy meter terminal circular hole and holds aperture of the external diameter then more than energy meter terminal circular hole greatly, it is first-class that flexible grafting is spliced in the highly conductive ability grafting rod of above-mentioned electric energy meter electricity box plug socket, in the conical head of electric current grafting barred body.The advantages of highly conductive ability grafting rod of this electric energy meter electricity box plug socket, is：It is reasonable in design, simple in construction, double grafting to energy meter terminal circular hole are realized by elastomer on the conical head and elastic connection-peg on electric current grafting barred body, add contact area, improve conductive effect.
Description
Technical field
The invention belongs to electric energy meter technical field, is inserted more particularly, to a kind of highly conductive ability of electric energy meter electricity box plug socket
Take over the baton and its plug-in connection.
Background technology
Electric energy meter is the instrument for measuring electric energy, also known as kilowatt-hour meter, energy meter, kilowatt-hour table, refers to the various electricity of measurement
The instrument of amount.With the progress of science, power domain is constantly brought forth new ideas, and various functions novelty ammeter constantly produces, in family
And enterprise's use is very frequent, thus installs and change also very frequent.Current most ammeters, all enter in special electricity box
OK, new ammeter installation, need to open the end cap of terminal box first, the cored wire for being cased with insulating coating is inserted to the binding post of electric energy meter
In hole, then more line pressing bolts are tightened, wire is in close contact with terminal hole inwall, terminal cap is then covered into simultaneously seal, connect
Line is accused and completed, if user will change or repair ammeter, it is necessary to and power supply is initially switched off, end cap seal is removed, exits seal screw,
End cap is opened, all line pressing bolts of pine is moved back, removes old table, then reinstalls new table, labor intensity is big when dismounting be present, takes
When, it is laborious and the defects of installation quality can not be ensured.
In order to solve the problems, such as that prior art is present, people have carried out long-term exploration, it is proposed that miscellaneous solution
Scheme.For example, Chinese patent literature discloses the special electric current terminal compression joint rod of single-phase electric energy meter case scene automatic connection device
[application number：201320525563.3], crimping top club head contact with binding post endoporus of current terminal crimping rod is included
Part is circular cone inclined-plane；Crimping top club head is provided with groove and is divided into 4-8 decile, and groove is embedded with crimping rod lining spring；Crimping
The contact point on top club head inclined-plane refers in the intersection point interior side contacts of binding post entrance hole and 120 degree of aperture fillet surface.
Such scheme has solved the conductive basic mechanism of direct insertion grafting, but because being limited by its contact area, still
The requirement that national standard is limited temperature rise can not be fully met.
The content of the invention
Regarding the issue above, the present invention provides it is a kind of reasonable in design, increase effective conductive area, make conductive effect
The highly conductive ability grafting rod of the more preferable electric energy meter electricity box plug socket of fruit.
Another object of the present invention is that conductive effect is good, installing/dismounting in view of the above-mentioned problems, offer is a kind of simple in construction
The plug-in connection of the highly conductive ability grafting rod of convenient electric energy meter electricity box plug socket.
To reach above-mentioned purpose, present invention employs following technical proposal：The height of the electric energy meter electricity box plug socket of the present invention
Conductive capability grafting rod, including electric current grafting barred body, the grafting that the electric current grafting barred body can plug with energy meter terminal circular hole
End has conical head, and the small end external diameter of conical head is less than the aperture of energy meter terminal circular hole and holds external diameter to be then more than greatly
The aperture of energy meter terminal circular hole, in the highly conductive ability grafting rod of above-mentioned electric energy meter electricity box plug socket, electric current grafting rod
Flexible connection-peg is spliced in the conical head of body, elastic connection-peg is connected with electric current grafting barred body and before elastic connection-peg
End is axially extended to outside conical head, and some own elasticity connection-peg leading sections are provided with elastic connection-peg and are prolonged axially rearward
The opening cell body stretched, and elastic connection-peg front end is separated into some elastomers, the front end external diameter of each elastomer by the cell body that is open
Have to be formed with energy meter terminal circular-hole internal-wall when in elastic connection-peg insertion energy meter terminal circular hole respectively and be interference fitted
Contact surface.Realized by the elastomer on the conical head and elastic connection-peg on electric current grafting barred body to energy meter terminal
Double grafting effects of circular hole, the setting of elastic connection-peg add quantity and area with the contact point of energy meter terminal circular hole,
Improve conductive capability.
In the highly conductive ability grafting rod of above-mentioned electric energy meter electricity box plug socket, elastic connection-peg is cylindrical in shape body, elasticity
Body is uniformly distributed in a circumferential direction.The elastic connection-peg for being cylindrical in shape body adds contact surface with energy meter terminal circular hole, increases
Strong conductive effect.
In the highly conductive ability grafting rod of above-mentioned electric energy meter electricity box plug socket, electric current grafting barred body is cylindrical in shape body, electricity
It is fixed together between stream grafting barred body and elastic connection-peg by fixed structure.Be cylindrical in shape body electric current grafting barred body manufacture,
It is easy for installation, reduce manufacture difficulty.
In the highly conductive ability grafting rod of above-mentioned electric energy meter electricity box plug socket, fixed structure is inserted including being arranged on electric current
Take over the baton internal ring positioning ring, trip bolt is equipped with ring positioning ring, the head of trip bolt one end is resisted against annular
Centring ring one end, the other end is threadedly coupled with elastic connection-peg so that the inner of elastic connection-peg is resisted against in ring positioning ring
Realize press-fitting.By being press-fitted and adding trip bolt to be fixed together between electric current grafting barred body and elastic connection-peg, connection is more firm
Gu.
In the highly conductive ability grafting rod of above-mentioned electric energy meter electricity box plug socket, elastomer front end has radially outward convex
The convex portion gone out, contact surface are located on convex portion.The convex portion of elastomer front end makes the external diameter of elastic connection-peg justify more than energy meter terminal
Hole, they are in interference fit state, add the contact area between elastic connection-peg and energy meter terminal circular hole, therefore enhance
Conductive effect.
In the highly conductive ability grafting rod of above-mentioned electric energy meter electricity box plug socket, the inner for the cell body that is open extends to electric current
In grafting barred body.Grafting is more laborsaving.
In the highly conductive ability grafting rod of above-mentioned electric energy meter electricity box plug socket, the quantity for the cell body that is open is even number.
It is easy to process, after grafting, evenly, connection is more firm for pressure distribution.
In the highly conductive ability grafting rod of above-mentioned electric energy meter electricity box plug socket, elastomer is in insertion energy meter terminal circle
It can mutually be collapsed according to the aperture of energy meter terminal circular hole when in hole and each convex portion forms interference with energy meter terminal circular hole respectively
Coordinate.The external diameter of elastic connection-peg, when inserting in energy meter terminal circular hole can according to terminal pore size it is automatic respectively with electricity
For energy table terminal circular hole into interference fit, grafting is convenient, is connected firmly, enhances conductive effect.
In the highly conductive ability grafting rod of above-mentioned electric energy meter electricity box plug socket, the front end of convex portion has spigot surface, in
Portion has the contact surface, and rear end has transition face.
The plug-in connection of the highly conductive ability grafting rod of above-mentioned electric energy meter electricity box plug socket is as described below：This electric energy meter
The plug-in connection of the highly conductive ability grafting rod of case plug socket, including energy meter terminal and highly conductive ability grafting rod, electric energy meter
Terminal has energy meter terminal circular hole, and highly conductive ability grafting rod is arranged on electric energy meter electricity box plug socket, it is characterised in that electricity
Thrust spring can be provided with table electricity box plug socket, one end of thrust spring is acted on electric energy meter electricity box plug socket, and the other end is made
With on highly conductive ability grafting rod, and thrust spring is more than to the axial force of highly conductive ability grafting rod and works as highly conductive energy
The elastic connection-peg of highly conductive ability grafting club head and energy meter terminal circular hole when power grafting rod inserts energy meter terminal circular hole
Between axial rub resistance.Being effectively guaranteed thrust spring can be by the conical head of highly conductive ability grafting barred body and electricity
The contact of energy table terminal circular hole aperture is good, prevents that the conical head on electric current grafting barred body can not be with energy meter terminal circular hole
The dangerous situation of aperture contact occurs.
Compared with prior art, it is the advantages of the highly conductive ability grafting rod of this electric energy meter electricity box plug socket：Design is closed
Manage, be simple in construction, being realized by the elastomer on the conical head and elastic connection-peg on electric current grafting barred body to electric energy meter
Double grafting of terminal circular hole, add contact area, improve conductive effect.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 provides the profile of the highly conductive ability grafting rod of electric energy meter electricity box plug socket in the embodiment of the present invention.
Fig. 2 provides the electric current connection in the embodiment of the present invention in the highly conductive ability grafting rod of electric energy meter electricity box plug socket
The profile of barred body.
Fig. 3 provides the elastic grafting in the highly conductive ability grafting rod of electric energy meter electricity box plug socket in the embodiment of the present invention
The front view of head.
Fig. 4 provides the elastic grafting in the highly conductive ability grafting rod of electric energy meter electricity box plug socket in the embodiment of the present invention
The profile of head.
Fig. 5 provides the plug-in connection of the highly conductive ability grafting rod of electric energy meter electricity box plug socket in the embodiment of the present invention
Profile.
In figure, electric current grafting barred body 1, energy meter terminal circular hole 2, conical head 3, elastic connection-peg 4, opening cell body
41st, elastomer 42, contact surface 43, convex portion 44, spigot surface 44a, transition face 44b, fixed structure 5, ring positioning ring 51, fastening spiral shell
Nail 52, energy meter terminal 6, highly conductive ability grafting rod 7, electric energy meter electricity box plug socket 8, thrust spring 9.
Embodiment
Below in conjunction with the accompanying drawings and the present invention is described in further detail by embodiment, and following examples are to this hair
Bright explanation and the invention is not limited in following examples.
As shown in Fig. 1 to 5, the highly conductive ability grafting rod of this electric energy meter electricity box plug socket, including electric current grafting barred body 1,
The inserted terminal that the electric current grafting barred body 1 can plug with energy meter terminal circular hole 2 has conical head 3, conical head 3
Small end external diameter is less than the aperture of energy meter terminal circular hole 2 and holds aperture of the external diameter then more than energy meter terminal circular hole 2 greatly, here
Flexible connection-peg 4 is spliced in the conical head 3 of electric current grafting barred body 1, elastic connection-peg 4 is connected with electric current grafting barred body 1
And the front end of elastic connection-peg 4 is axially extended to outside conical head 3, some own elasticity grafting are provided with elastic connection-peg 4
The axially rearwardly extending opening cell body 41 in first 4 leading section, and the elastic front end of connection-peg 4 is separated into some bullets by the cell body 41 that is open
Property body 42, the front end external diameter of each elastomer 42 has when in elastic connection-peg 4 insertion energy meter terminal circular hole 2 respectively can be with
The inwall of energy meter terminal circular hole 2 forms the contact surface 43 of interference fit, passes through the He of conical head 3 on electric current grafting barred body 1
Elastomer 42 on elastic connection-peg 4 realizes double grafting effects to energy meter terminal circular hole 2, and the setting of elastic connection-peg 4 increases
Add the quantity and area with the contact point of energy meter terminal circular hole 2, improve conductive capability.
Specifically, elastic connection-peg 4 here is cylindrical in shape body, and elastomer 42 is uniformly distributed, is cylindrical in shape in a circumferential direction
The elastic connection-peg 4 of body adds the contact surface with energy meter terminal circular hole 2, enhances conductive effect；Here electric current grafting
Barred body 1 is cylindrical in shape body, is fixed together between electric current grafting barred body 1 and elastic connection-peg 4 by fixed structure 5, is cylindrical in shape body
Electric current grafting barred body 1 manufacture, be easy for installation, reduce manufacture difficulty；Here fixed structure 5 includes being arranged on electric current grafting
Ring positioning ring 51 in barred body 1, is equipped with trip bolt 52 in ring positioning ring 51, the head of the one end of trip bolt 52 against
In the one end of ring positioning ring 51, the other end is threadedly coupled with elastic connection-peg 4 so that the inner of elastic connection-peg 4 is resisted against ring
Press-fitting is realized on shape centring ring 51,4 by being press-fitted and adding trip bolt 52 to fix between electric current grafting barred body 1 and elastic connection-peg
Together, connect more firm；Here the front end of elastomer 42 has the convex portion 44 projected radially outward, and contact surface 43 is located at convex portion
On 44, the convex portion 44 of the front end of elastomer 42 makes the external diameter of elastic connection-peg 4 be more than energy meter terminal circular hole 2, and they match somebody with somebody in interference
Conjunction state, the contact area between elastic connection-peg 4 and energy meter terminal circular hole 2 is added, therefore enhance conductive effect.
Further, the inner of opening cell body 41 here is extended in electric current grafting barred body 1, and grafting is more laborsaving；Here
The quantity of opening cell body 41 be even number, be easy to process, after grafting, evenly, connection is more firm for pressure distribution；Here bullet
Property body 42 can mutually be collapsed according to the aperture of energy meter terminal circular hole 2 and each convex portion 44 when inserting in energy meter terminal circular hole 2
Formed and be interference fitted with energy meter terminal circular hole 2 respectively, the external diameter of elastic connection-peg 4, when inserting in energy meter terminal circular hole 2
Can be automatic respectively with energy meter terminal circular hole 2 into interference fit according to terminal pore size, grafting is convenient, is connected firmly, and strengthens
Conductive effect；Here the front end of convex portion 44 has spigot surface 44a, and middle part has the contact surface 43, and rear end has transition
Face 44b.
As shown in figure 5, the plug-in connection of the highly conductive ability grafting rod of this electric energy meter electricity box plug socket is as described below：This electricity
The plug-in connection of the highly conductive ability grafting rod of energy table electricity box plug socket, including energy meter terminal 6 and highly conductive ability grafting rod
7, energy meter terminal 6 has energy meter terminal circular hole 2, and highly conductive ability grafting rod 7 is arranged on electric energy meter electricity box plug socket 8,
Characterized in that, being provided with thrust spring 9 in electric energy meter electricity box plug socket 8, one end of thrust spring 9 acts on electric energy meter electricity box and inserted
On joint chair 8, the other end is acted on highly conductive ability grafting rod 7, and thrust spring 9 is to the axial direction of highly conductive ability grafting rod 7
Active force is more than the elasticity on the highly conductive head of ability grafting rod 7 when highly conductive ability grafting rod 7 inserts energy meter terminal circular hole 2
Axial rub resistance between connection-peg 4 and energy meter terminal circular hole 2, being effectively guaranteed thrust spring 9 can be by highly conductive energy
The conical head 3 of power grafting barred body contacts the circle well, prevented on electric current grafting barred body 1 with the aperture of energy meter terminal circular hole 2
The dangerous situation that conical nose 3 can not contact with the aperture of energy meter terminal circular hole 2 occurs.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology belonging to the present invention is led
The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode
Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Although electric current grafting barred body 1, energy meter terminal circular hole 2, conical head 3, elasticity has more been used to insert herein
Joint 4, opening cell body 41, elastomer 42, contact surface 43, convex portion 44, spigot surface 44a, transition face 44b, fixed structure 5, annular
Centring ring 51, trip bolt 52, energy meter terminal 6, highly conductive ability grafting rod 7, electric energy meter electricity box plug socket 8, thrust spring 9
Deng term, but it is not precluded from the possibility using other terms.Conciliate using these terms just for the sake of more easily description
Release the essence of the present invention；Any additional limitation is construed as all to disagree with spirit of the present invention.
Claims (10)
1. a kind of highly conductive ability grafting rod of electric energy meter electricity box plug socket, including electric current grafting barred body (1), the electric current grafting rod
The inserted terminal that body (1) can plug with energy meter terminal circular hole (2) has conical head (3), described conical head (3)
Small end external diameter be less than energy meter terminal circular hole (2) aperture and hold greatly external diameter then be more than energy meter terminal circular hole (2) aperture,
Characterized in that, the flexible connection-peg (4) of mounting, described bullet in the conical head (3) of described electric current grafting barred body (1)
Property connection-peg (4) be connected with electric current grafting barred body (1) and the front end of elastic connection-peg (4) axially extends to conical head (3)
Outside, the axially rearwardly extending open slot in some own elasticity connection-peg (4) leading sections is provided with described elastic connection-peg (4)
Body (41), and elastic connection-peg (4) front end is separated into some elastomers (42) by the cell body (41) that is open, each elastomer (42)
Front end external diameter has respectively can be with energy meter terminal circular hole (2) when elastic connection-peg (4) insertion energy meter terminal circular hole (2) is interior
Inwall forms the contact surface (43) of interference fit.
2. the highly conductive ability grafting rod of electric energy meter electricity box plug socket according to claim 1, it is characterised in that described
Elastic connection-peg (4) is cylindrical in shape body, and described elastomer (42) is uniformly distributed in a circumferential direction.
3. the highly conductive ability grafting rod of electric energy meter electricity box plug socket according to claim 1, it is characterised in that described
Electric current grafting barred body (1) is cylindrical in shape body, passes through fixed structure between described electric current grafting barred body (1) and elastic connection-peg (4)
(5) it is fixed together.
4. the highly conductive ability grafting rod of electric energy meter electricity box plug socket according to claim 3, it is characterised in that described
Fixed structure (5) includes being arranged on ring positioning ring (51) in electric current grafting barred body (1), in described ring positioning ring (51)
Trip bolt (52) is equipped with, the head of described trip bolt (52) one end is resisted against ring positioning ring (51) one end, another
End is threadedly coupled with elastic connection-peg (4) so that the inner of elastic connection-peg (4) is resisted against in ring positioning ring (51) realizes
Press-fitting.
5. the highly conductive ability grafting rod of the electric energy meter electricity box plug socket according to claim 1 or 2 or 3 or 4, its feature exist
In described elastomer (42) front end has the convex portion (44) projected radially outward, and described contact surface (43) is located at convex portion
(44) on.
6. the highly conductive ability grafting rod of electric energy meter electricity box plug socket according to claim 5, it is characterised in that described
The inner of opening cell body (41) is extended in electric current grafting barred body (1).
7. the highly conductive ability grafting rod of electric energy meter electricity box plug socket according to claim 5, it is characterised in that described
The quantity of opening cell body (41) is even number.
8. the highly conductive ability grafting rod of electric energy meter electricity box plug socket according to claim 5, it is characterised in that described
Elastomer (42) insert energy meter terminal circular hole (2) it is interior when can mutually be collapsed according to the aperture of energy meter terminal circular hole (2) and
Each convex portion (44) forms with energy meter terminal circular hole (2) be interference fitted respectively.
9. the highly conductive ability grafting rod of electric energy meter electricity box plug socket according to claim 8, it is characterised in that described
The front end of convex portion (44) has spigot surface (44a), and middle part has the contact surface (43), and rear end has transition face (44b).
10. a kind of highly conductive ability of electric energy meter electricity box plug socket using according to any one in claim 1-9 is inserted
The plug-in connection taken over the baton, including energy meter terminal (6) and highly conductive ability grafting rod (7), described energy meter terminal (6) have
Energy meter terminal circular hole (2), described highly conductive ability grafting rod (7) are arranged on electric energy meter electricity box plug socket (8), its feature
It is, is provided with thrust spring (9) in described electric energy meter electricity box plug socket (8), one end of described thrust spring (9) acts on
On electric energy meter electricity box plug socket (8), the other end is acted on highly conductive ability grafting rod (7), and described thrust spring (9) is right
The axial force of highly conductive ability grafting rod (7) is more than when highly conductive ability grafting rod (7) insertion energy meter terminal circular hole (2)
When highly conductive ability grafting rod (7) head elastic connection-peg (4) and energy meter terminal circular hole (2) between axial rub resistance
Power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510922264.7A CN105388342B (en) | 2015-11-12 | 2015-12-11 | Highly conductive the ability grafting rod and its plug-in connection of electric energy meter electricity box plug socket |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2015107759811 | 2015-11-12 | ||
| CN201510775981 | 2015-11-12 | ||
| CN201510922264.7A CN105388342B (en) | 2015-11-12 | 2015-12-11 | Highly conductive the ability grafting rod and its plug-in connection of electric energy meter electricity box plug socket |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105388342A CN105388342A (en) | 2016-03-09 |
| CN105388342B true CN105388342B (en) | 2018-02-09 |
Family
ID=55420844
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510922264.7A Active CN105388342B (en) | 2015-11-12 | 2015-12-11 | Highly conductive the ability grafting rod and its plug-in connection of electric energy meter electricity box plug socket |
Country Status (1)
| Country | Link |
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| CN (1) | CN105388342B (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN105388342A (en) | 2016-03-09 |
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