CN105388342A - High-conductivity plugging bar of electric energy meter box plugging seat and plugging mechanism of high-conductivity plugging bar - Google Patents
High-conductivity plugging bar of electric energy meter box plugging seat and plugging mechanism of high-conductivity plugging bar Download PDFInfo
- Publication number
- CN105388342A CN105388342A CN201510922264.7A CN201510922264A CN105388342A CN 105388342 A CN105388342 A CN 105388342A CN 201510922264 A CN201510922264 A CN 201510922264A CN 105388342 A CN105388342 A CN 105388342A
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- China
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- energy meter
- plugging
- electric energy
- high connductivity
- grafting
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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 a high-electric conductivity plugging bar of an electric energy meter box plugging seat and a plugging mechanism of the high-electric conductivity plugging bar. With the high-electric conductivity plugging bar of the electric energy meter box plugging seat and the plugging mechanism of the high-electric conductivity plugging bar adopted, problems such as poor electric conduction effect in the prior art can be solved. The high-electric conductivity plugging bar of the electric energy meter box plugging seat comprises a current plugging bar body; a plugging end of the current plugging bar body, which can be in plugging connection with an electric energy meter terminal round hole, is provided with a conical head; the outer diameter of the small end of the conical head is smaller than the aperture of the electric energy meter terminal round hole; and the outer diameter of the larger end of the conical head is larger than the aperture of the electric energy meter terminal round hole. According to the high-electric conductivity plugging bar of the electric energy meter box plugging seat, an electric plugging head and the like are embedded in the conical head of the high-electric conductivity plugging bar. The high-electric conductivity plugging bar of the electric energy meter box plugging seat of the invention has the advantages of reasonable design and simple structure. The high-electric conductivity plugging bar can be in double-plugging connection with the electric energy meter terminal round hole through the conical head on the current plugging bar body and an elastic body on the electric plugging head, and therefore, a contact area can be increased, and an electric conductivity effect can be improved.
Description
Technical field
The invention belongs to electric energy meter technical field, especially relate to a kind of high connductivity ability grafting rod and plug-in connection thereof of electric energy meter case plug socket.
Background technology
Electric energy meter is used to the instrument measuring electric energy, and also known as watt-hour meter, energy meter, kilowatt-hour table, refers to the instrument measuring various electrical quantities.Along with the progress of science, constantly bringing forth new ideas of power domain, various novel functions ammeter constantly produces, and uses very frequent, thus install and change also very frequent in family and enterprise.Current most ammeter, all carry out in special table case, new ammeter is installed, first the end cap opening terminal box is needed, the heart yearn of insulating coating is had by cover to insert in the terminals sub-aperture of electric energy meter, tighten many line pressing bolt again, make wire and terminal hole inwall close contact, then terminal cap is covered and seal, namely wiring has accused, if user will change or keep in repair ammeter, must first cut off the electricity supply, remove end cap seal, exit seal screw, open end cap, move back the line pressing bolt that pine is all, take off old table, reinstall new table again, when there is dismounting, labour intensity is large, time-consuming, require great effort and cannot the defects such as installation quality be ensured.
In order to solve prior art Problems existing, people have carried out long-term exploration, propose solution miscellaneous.Such as, Chinese patent literature discloses the on-the-spot automatic connection device special electric current terminal compression joint rod [application number: 201320525563.3] of single-phase electric energy meter case, and the contact portion comprising the excellent crimping top club head of current terminal crimping and connection terminal endoporus is circular cone inclined-plane; Crimping top club head has groove and is divided into 4-8 decile, and groove is embedded with crimping rod lining spring; The contact point on club head inclined-plane, crimping top refers to the intersection point interior side contacts at connection terminal entrance hole and aperture 120 degree of fillet surfaces.
Such scheme has solved the basic mechanism of direct insertion grafting conduction, but because being subject to the restriction of its contact area, still can not meet the requirement that GB limits temperature rise completely.
Summary of the invention
The object of the invention is for the problems referred to above, provide a kind of reasonable in design, increase effective conductive area, make the high connductivity ability grafting rod of conductive effect better electric energy meter case plug socket.
Another object of the present invention is for the problems referred to above, and provide a kind of structure simple, conductive effect is good, the plug-in connection of the high connductivity ability grafting rod of the electric energy meter case plug socket of easy installation and removal.
For achieving the above object, present invention employs following technical proposal: the high connductivity ability grafting rod of electric energy meter case plug socket of the present invention, comprise electric current grafting barred body, the inserted terminal that this electric current grafting barred body can plug with energy meter terminal circular hole has conical head, the aperture that the small end external diameter of conical head is less than energy meter terminal circular hole holds greatly external diameter to be then greater than the aperture of energy meter terminal circular hole, in the high connductivity ability grafting rod of above-mentioned electric energy meter case plug socket, to splice in the conical head of electric current grafting barred body flexible connection-peg, resilient inserting joint and electric current grafting barred body are connected and the front end of resilient inserting joint axially extends to outside conical head, resilient inserting joint has the opening cell body that some own elasticity connection-peg leading sections extend back vertically, and resilient inserting joint front end is separated into some elastic bodys by opening cell body, each elastomeric front end external diameter to have respectively when resilient inserting joint inserts in energy meter terminal circular hole and can form the surface of contact of interference fit with energy meter terminal circular-hole internal-wall.The two grafting effects to energy meter terminal circular hole are realized by the conical head on electric current grafting barred body and the elastic body on resilient inserting joint, the setting of resilient inserting joint adds and the quantity of the contact point of energy meter terminal circular hole and area, improves conductive capability.
In the high connductivity ability grafting rod of above-mentioned electric energy meter case plug socket, resilient inserting joint is cylindrical body, and elastic body is uniformly distributed in a circumferential direction.Resilient inserting joint in cylindrical body adds the surface of contact with energy meter terminal circular hole, enhances conductive effect.
In the high connductivity ability grafting rod of above-mentioned electric energy meter case plug socket, electric current grafting barred body is cylindrical body, is fixed together between electric current grafting barred body and resilient inserting joint by fixed sturcture.Electric current grafting barred body in cylindrical body manufactures, easy for installation, reduce manufacture difficulty.
In the high connductivity ability grafting rod of above-mentioned electric energy meter case plug socket, fixed sturcture comprises the circular orientation circle be arranged in electric current grafting barred body, trip bolt is equipped with in circular orientation circle, the head of trip bolt one end is resisted against circular orientation circle one end, and the other end is connected with resilient inserting joint screw thread thus the inner of resilient inserting joint is resisted against on circular orientation circle and realizes being press-fitted.Be fixed together by being press-fitted and adding trip bolt between electric current grafting barred body and resilient inserting joint, connect more firm.
In the high connductivity ability grafting rod of above-mentioned electric energy meter case plug socket, elastic body front end has the protuberance radially outward protruded, and surface of contact is positioned on protuberance.The protuberance of elastic body front end makes the external diameter of resilient inserting joint be greater than energy meter terminal circular hole, and they are interference fit state, add the contact area between resilient inserting joint and energy meter terminal circular hole, because this enhancing conductive effect.
In the high connductivity ability grafting rod of above-mentioned electric energy meter case plug socket, the inner of opening cell body extends in electric current grafting barred body.Grafting is more laborsaving.
In the high connductivity ability grafting rod of above-mentioned electric energy meter case plug socket, the quantity of opening cell body is even number.Be convenient to processing, after grafting, pressure distribution evenly, connect more firm.
In the high connductivity ability grafting rod of above-mentioned electric energy meter case plug socket, elastic body mutually can draw according to the aperture of energy meter terminal circular hole when inserting in energy meter terminal circular hole and each protuberance forms interference fit with energy meter terminal circular hole respectively.The external diameter of resilient inserting joint, can become interference fit with energy meter terminal circular hole according to terminal pore size automatically respectively when inserting in energy meter terminal circular hole, and grafting is convenient, is connected firmly, enhances conductive effect.
In the high connductivity ability grafting rod of above-mentioned electric energy meter case plug socket, the front end of protuberance has spigot surface, and middle part has described surface of contact, and rear end has transition face.
The plug-in connection of the high connductivity ability grafting rod of above-mentioned electric energy meter case plug socket is as described below: the plug-in connection of the high connductivity ability grafting rod of this electric energy meter case plug socket, comprise energy meter terminal and high connductivity ability grafting rod, energy meter terminal has energy meter terminal circular hole, high connductivity ability grafting rod is arranged on electric energy meter case plug socket, it is characterized in that, thrust spring is provided with in electric energy meter case plug socket, one end of thrust spring acts on electric energy meter case plug socket, the other end acts on high connductivity ability grafting rod, and the axial force of thrust spring to high connductivity ability grafting rod is greater than the axial rub resistance between the resilient inserting joint of the high connductivity ability grafting club head when high connductivity ability grafting rod inserts energy meter terminal circular hole and energy meter terminal circular hole.Effectively ensure that the conical head of high connductivity ability grafting barred body can contact well with energy meter terminal circular hole aperture by thrust spring, the dangerous situation preventing the conical head on electric current grafting barred body from can not contact with the aperture of energy meter terminal circular hole occurs.
Compared with prior art, the advantage of the high connductivity ability grafting rod of this electric energy meter case plug socket is: reasonable in design, structure simply, by the conical head on electric current grafting barred body and the elastic body on resilient inserting joint realizes the two grafting to energy meter terminal circular hole, add contact area, improve conductive effect.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 provides the sectional view of the high connductivity ability grafting rod of electric energy meter case plug socket in the embodiment of the present invention.
Fig. 2 electric current provided in the high connductivity ability grafting rod of electric energy meter case plug socket in the embodiment of the present invention connects the sectional view of barred body.
Fig. 3 provides the front view of the resilient inserting joint in the high connductivity ability grafting rod of electric energy meter case plug socket in the embodiment of the present invention.
Fig. 4 provides the sectional view of the resilient inserting joint in the high connductivity ability grafting rod of electric energy meter case plug socket in the embodiment of the present invention.
Fig. 5 provides the sectional view of the plug-in connection of the high connductivity ability grafting rod of electric energy meter case plug socket in the embodiment of the present invention.
In figure, electric current grafting barred body 1, energy meter terminal circular hole 2, conical head 3, resilient inserting joint 4, opening cell body 41, elastic body 42, surface of contact 43, protuberance 44, spigot surface 44a, transition face 44b, fixed sturcture 5, circular orientation circle 51, trip bolt 52, energy meter terminal 6, high connductivity ability grafting rod 7, electric energy meter case plug socket 8, thrust spring 9.
Embodiment
Below in conjunction with accompanying drawing, also by embodiment, the present invention is described in further detail, and following examples are explanation of the invention and the present invention is not limited to following examples.
As shown in Fig. 1 to 5, the high connductivity ability grafting rod of this electric energy meter case plug socket, comprise electric current grafting barred body 1, the inserted terminal that this electric current grafting barred body 1 can plug with energy meter terminal circular hole 2 has conical head 3, the aperture that the small end external diameter of conical head 3 is less than energy meter terminal circular hole 2 holds greatly external diameter to be then greater than the aperture of energy meter terminal circular hole 2, to splice in the conical head 3 of electric current grafting barred body 1 here flexible connection-peg 4, resilient inserting joint 4 and electric current grafting barred body 1 are connected and the front end of resilient inserting joint 4 axially extends to outside conical head 3, resilient inserting joint 4 has the opening cell body 41 that some own elasticity connection-peg 4 leading sections extend back vertically, and resilient inserting joint 4 front end is separated into some elastic bodys 42 by opening cell body 41, the front end external diameter of each elastic body 42 to have respectively when resilient inserting joint 4 inserts in energy meter terminal circular hole 2 and can form the surface of contact 43 of interference fit with energy meter terminal circular hole 2 inwall, the two grafting effects to energy meter terminal circular hole 2 are realized by the conical head 3 on electric current grafting barred body 1 and the elastic body 42 on resilient inserting joint 4, the setting of resilient inserting joint 4 adds and the quantity of the contact point of energy meter terminal circular hole 2 and area, improve conductive capability.
Particularly, resilient inserting joint 4 is here in cylindrical body, and elastic body 42 is uniformly distributed in a circumferential direction, and the resilient inserting joint 4 in cylindrical body adds the surface of contact with energy meter terminal circular hole 2, enhances conductive effect; Here electric current grafting barred body 1, in cylindrical body, is fixed together by fixed sturcture 5 between electric current grafting barred body 1 and resilient inserting joint 4, the electric current grafting barred body 1 in cylindrical body manufactures, easy for installation, reduces manufacture difficulty; Here fixed sturcture 5 comprises the circular orientation circle 51 be arranged in electric current grafting barred body 1, trip bolt 52 is equipped with in circular orientation circle 51, the head of trip bolt 52 one end is resisted against circular orientation circle 51 one end, the other end is threaded with resilient inserting joint 4 thus the inner of resilient inserting joint 4 is resisted against on circular orientation circle 51 and realizes being press-fitted, between electric current grafting barred body 1 and resilient inserting joint, 4 are fixed together by being press-fitted and adding trip bolt 52, connect more firm; Here elastic body 42 front end has the protuberance 44 radially outward protruded, surface of contact 43 is positioned on protuberance 44, the protuberance 44 of elastic body 42 front end makes the external diameter of resilient inserting joint 4 be greater than energy meter terminal circular hole 2, they are interference fit state, add the contact area between resilient inserting joint 4 and energy meter terminal circular hole 2, because this enhancing conductive effect.
Further, the inner of opening cell body 41 here extends in electric current grafting barred body 1, and grafting is more laborsaving; The quantity of opening cell body 41 is here even number, be convenient to processing, after grafting, pressure distribution evenly, connect more firm; Here elastic body 42 mutually can draw according to the aperture of energy meter terminal circular hole 2 when inserting in energy meter terminal circular hole 2 and each protuberance 44 forms interference fit with energy meter terminal circular hole 2 respectively, the external diameter of resilient inserting joint 4, when inserting in energy meter terminal circular hole 2 can according to terminal pore size automatically respectively with energy meter terminal circular hole 2 one-tenth interference fit, grafting is convenient, be connected firmly, enhance conductive effect; The front end of protuberance 44 here has spigot surface 44a, and middle part has described surface of contact 43, and rear end has transition face 44b.
As shown in Figure 5, the plug-in connection of the high connductivity ability grafting rod of this electric energy meter case plug socket is as described below: the plug-in connection of the high connductivity ability grafting rod of this electric energy meter case plug socket, comprise energy meter terminal 6 and high connductivity ability grafting rod 7, energy meter terminal 6 has energy meter terminal circular hole 2, high connductivity ability grafting rod 7 is arranged on electric energy meter case plug socket 8, it is characterized in that, thrust spring 9 is provided with in electric energy meter case plug socket 8, one end of thrust spring 9 acts on electric energy meter case plug socket 8, the other end acts on high connductivity ability grafting rod 7, and the axial force of thrust spring 9 pairs of high connductivity ability grafting rods 7 is greater than the axial rub resistance between the resilient inserting joint 4 of high connductivity ability grafting rod 7 heads when high connductivity ability grafting rod 7 inserts energy meter terminal circular hole 2 and energy meter terminal circular hole 2, effectively ensure that the conical head 3 of high connductivity ability grafting barred body can contact well with energy meter terminal circular hole 2 aperture by thrust spring 9, the dangerous situation preventing the conical head 3 on electric current grafting barred body 1 from can not contact with the aperture of energy meter terminal circular hole 2 occurs.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Although more employ the term such as electric current grafting barred body 1, energy meter terminal circular hole 2, conical head 3, resilient inserting joint 4, opening cell body 41, elastic body 42, surface of contact 43, protuberance 44, spigot surface 44a, transition face 44b, fixed sturcture 5, circular orientation circle 51, trip bolt 52, energy meter terminal 6, high connductivity ability grafting rod 7, electric energy meter case plug socket 8, thrust spring 9 herein, do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present invention more easily; The restriction that they are construed to any one additional is all contrary with spirit of the present invention.
Claims (10)
1. the high connductivity ability grafting rod of an electric energy meter case plug socket, comprise electric current grafting barred body (1), the inserted terminal that this electric current grafting barred body (1) can plug with energy meter terminal circular hole (2) has conical head (3), the aperture that the small end external diameter of described conical head (3) is less than energy meter terminal circular hole (2) holds greatly external diameter to be then greater than the aperture of energy meter terminal circular hole (2), it is characterized in that, to splice in the conical head (3) of described electric current grafting barred body (1) flexible connection-peg (4), described resilient inserting joint (4) and electric current grafting barred body (1) are connected and the front end of resilient inserting joint (4) axially extends to outside conical head (3), described resilient inserting joint (4) has the opening cell body (41) that some own elasticity connection-peg (4) leading sections extend back vertically, and resilient inserting joint (4) front end is separated into some elastic bodys (42) by opening cell body (41), the front end external diameter of each elastic body (42) to have respectively when resilient inserting joint (4) inserts in energy meter terminal circular hole (2) and can form the surface of contact (43) of interference fit with energy meter terminal circular hole (2) inwall.
2. the high connductivity ability grafting rod of electric energy meter case plug socket according to claim 1, it is characterized in that, described resilient inserting joint (4) is in cylindrical body, and described elastic body (42) is uniformly distributed in a circumferential direction.
3. the high connductivity ability grafting rod of electric energy meter case plug socket according to claim 1, it is characterized in that, described electric current grafting barred body (1), in cylindrical body, is fixed together by fixed sturcture (5) between described electric current grafting barred body (1) and resilient inserting joint (4).
4. the high connductivity ability grafting rod of electric energy meter case plug socket according to claim 3, it is characterized in that, described fixed sturcture (5) comprises the circular orientation circle (51) be arranged in electric current grafting barred body (1), trip bolt (52) is equipped with in described circular orientation circle (51), the head of described trip bolt (52) one end is resisted against circular orientation circle (51) one end, the other end is threaded with resilient inserting joint (4) thus makes the inner of resilient inserting joint (4) be resisted against the upper realization of circular orientation circle (51) and is press-fitted.
5. the high connductivity ability grafting rod of the electric energy meter case plug socket according to claim 1 or 2 or 3 or 4, it is characterized in that, described elastic body (42) front end has the protuberance (44) radially outward protruded, and described surface of contact (43) is positioned on protuberance (44).
6. the high connductivity ability grafting rod of electric energy meter case plug socket according to claim 5, it is characterized in that, the inner of described opening cell body (41) extends in electric current grafting barred body (1).
7. the high connductivity ability grafting rod of electric energy meter case plug socket according to claim 5, it is characterized in that, the quantity of described opening cell body (41) is even number.
8. the high connductivity ability grafting rod of electric energy meter case plug socket according to claim 5, it is characterized in that, described elastic body (42) mutually can draw according to the aperture of energy meter terminal circular hole (2) when inserting in energy meter terminal circular hole (2) and each protuberance (44) forms interference fit with energy meter terminal circular hole (2) respectively.
9. the high connductivity ability grafting rod of electric energy meter case plug socket according to claim 8, it is characterized in that, the front end of described protuberance (44) has spigot surface (44a), middle part has described surface of contact (43), and rear end has transition face (44b).
10. one kind adopts the plug-in connection according to the high connductivity ability grafting rod of the electric energy meter case plug socket in claim 1-9 described in any one, comprise energy meter terminal (6) and high connductivity ability grafting rod (7), described energy meter terminal (6) has energy meter terminal circular hole (2), described high connductivity ability grafting rod (7) is arranged on electric energy meter case plug socket (8), it is characterized in that, thrust spring (9) is provided with in described electric energy meter case plug socket (8), one end of described thrust spring (9) acts on electric energy meter case plug socket (8), the other end acts in high connductivity ability grafting rod (7), and the axial force of described thrust spring (9) to high connductivity ability grafting rod (7) is greater than the axial rub resistance between the resilient inserting joint (4) of high connductivity ability grafting rod (7) head when energy meter terminal circular hole (2) are inserted in high connductivity ability grafting rod (7) and energy meter terminal circular hole (2).
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 true CN105388342A (en) | 2016-03-09 |
| CN105388342B CN105388342B (en) | 2018-02-09 |
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| 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 |
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| CN (1) | CN105388342B (en) |
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| JP2012198166A (en) * | 2011-03-23 | 2012-10-18 | Tokyo Electric Power Co Inc:The | Connection cord arranged in watt-hour meter box to record measuring data of watt-hour meter, and method for recording measuring data of watt-hour meter by using connection cord for recording measuring data of watt-hour meter |
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| CN105388342B (en) | 2018-02-09 |
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Address after: 311121 Room 101, 1 / F, No. 55, Taiyan Road, Fangxian street, Yuhang street, Yuhang District, Hangzhou, Zhejiang Province Patentee after: Hangzhou Huachuang High Tech Co.,Ltd. Address before: 311100 No. 528, west of Huali science and Technology Park, Wuchang Avenue, Yuhang District, Hangzhou, Zhejiang Province Patentee before: HANGZHOU HOUYU TECHNOLOGY Co.,Ltd. |