CN212648611U - Three-phase four-wire smart meter special terminal - Google Patents
Three-phase four-wire smart meter special terminal Download PDFInfo
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- CN212648611U CN212648611U CN202021841318.XU CN202021841318U CN212648611U CN 212648611 U CN212648611 U CN 212648611U CN 202021841318 U CN202021841318 U CN 202021841318U CN 212648611 U CN212648611 U CN 212648611U
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- connecting rod
- protective housing
- protective shell
- rotary switch
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Abstract
三相四线制智能电表专用接线端子，电力设备维护技术领域,在电表的接电孔内设有第一连接杆，第一连接杆上设有第一保护壳，第一保护壳上设有固定装置，固定装置是上设有密封套，通过电线穿过密封套插入固定装置，固定装置接在第一保护壳上，第一保护壳上的第一连接杆插入在电表接线口来打到防止线路接触连线和防雨的目的，本实用新型结构合理实用，改变现有表尾接线方式，增加接触面积，软接触改为硬接触，紧固力量加大，连接材料有过渡措施，利用空间优势改变进出线排列增加线与线之间的距离，最终减少烧毁电表的几率。
A special terminal for a three-phase four-wire smart electric meter, in the technical field of power equipment maintenance, a first connecting rod is arranged in an electricity connection hole of an electric meter, a first protective shell is arranged on the first connecting rod, and a first protective shell is arranged on the first protective shell Fixing device, the fixing device is provided with a sealing sleeve, the wire is inserted into the fixing device through the sealing sleeve, the fixing device is connected to the first protective shell, and the first connecting rod on the first protective shell is inserted into the meter wiring port to hit For the purpose of preventing the line from contacting the wiring and preventing the rain, the utility model has a reasonable and practical structure, changes the existing terminal wiring mode, increases the contact area, changes the soft contact to hard contact, increases the tightening force, and has transition measures for connecting materials. The space advantage changes the arrangement of incoming and outgoing wires to increase the distance between wires, which ultimately reduces the chance of burning the meter.
Description
Technical Field
The utility model belongs to the technical field of the power equipment maintenance technique and specifically relates to a three-phase four-wire system smart electric meter special binding post is related to.
Background
It is known that when an electric energy meter used at present is connected with an incoming line and an outgoing line, the incoming line and the outgoing line are generally connected by directly adopting a lead to jump into a meter tail fastening screw, the incoming line and the outgoing line are arranged on a plane, the distance between the incoming line and the outgoing line is too close to that between phases, the bad situation is that most of the electric energy meters use aluminum leads, the thickness is uneven, the connection of the two leads is in point-surface soft contact, the problems of too small screw in the upper tail, quality and the like cannot ensure the fastening force, the contact resistance is obviously increased, the electric energy meter is finally burnt out by heating and carbonizing vicious cycle under the driving of current, even a fire disaster causes larger loss, the electric energy meter is arranged in places with sun and rain, dustiness, dampness and corrosive gas, the quality of the connecting lead and the installation process problems, rainwater flows back into a terminal of the electric energy meter, the fastening screw and the, the contact resistance is slowly increased to face the trend of burning out the electric meter, the electric wire is directly connected to a wiring port of the electric meter in the prior art, the whole electric meter is placed in an electric meter box, the method easily causes danger of the electric wire contacting the wiring at the wiring position, the electric meter box is easy to enter water, fire easily occurs to the electric meter interface in the electric meter box under the condition of no treatment, and the method is not beneficial to outdoor use.
SUMMERY OF THE UTILITY MODEL
In order to overcome not enough among the background art, the utility model aims at providing a special binding post of smart electric meter is made to three-phase four-wire system is related to, the utility model discloses being equipped with the head rod in the electricity connection hole of ammeter, being equipped with first protective housing on the head rod, being equipped with fixing device on the first protective housing, fixing device is last to be equipped with the seal cover, passes the seal cover through the electric wire and inserts fixing device, and fixing device connects on first protective housing, and the head rod on the first protective housing inserts and arrives at ammeter wiring mouth and prevent circuit contact line and rainproof purpose.
In order to realize the utility model aims at, the utility model adopts the following technical scheme:
three-phase four-wire system smart electric meter special wiring terminal, including the head rod, first protective housing, fixing device and seal cover, be equipped with the head rod on first protective housing and be equipped with fixing device, the last seal cover that is equipped with of fixing device, fixing device is by the second protective housing, rotary switch and second connecting rod constitute, be equipped with rotary switch and second connecting rod on the second protective housing, second protective housing one end is connected with first protective housing, the second protective housing other end is connected with the seal cover, the seal cover other end is connected with the third protective housing on the fixing device.
The inside one end of first protecting crust is equipped with the head rod, and the inside intermediate position of first protecting crust is equipped with the adapter sleeve, and the inside card that is equipped with of adapter sleeve, the inside other end of first protecting crust are equipped with the second round hole, are equipped with first internal thread on the inner wall of second round hole, and the one end of the inside adapter sleeve of first protecting crust is connected with the head rod, and the other end of adapter sleeve is connected with the second round hole.
The first connecting rod is a flat elliptic cylinder, one end of the first connecting rod is connected with the connecting sleeve inside the first protection shell, the other end of the first connecting rod is arranged outside the first protection shell, the first connecting rod is provided with at least one first round hole in the part outside the first protection shell, and the first round holes are orderly arranged on the first connecting rod.
The outer surface of one end of the second protective shell is provided with a first anti-skidding groove, the second protective shell is provided with a first external thread on the mouth part of one end provided with the first anti-skidding groove, the first external thread is matched with a first internal thread on the inner wall of a second round hole on the first protective shell, the tail part of the bottom of the first external thread is provided with a third sealing pad, the top surface of the second protective shell is provided with a second connecting rod, the other end of the second protective shell is provided with a sliding groove, and the sliding groove is connected with a rotary switch.
The shape of the second connecting rod is consistent with that of the first connecting rod, one end of the second connecting rod is connected with the second protective shell, the other end of the second connecting rod is provided with a groove, and the top surface of the second connecting rod at the end provided with the groove is smaller than the lower surface of the second connecting rod.
The rotary switch is arranged on the third protective shell, a second anti-skidding groove is formed in the outer surface of the rotary switch, and a rotary piece is arranged at one end, provided with the second anti-skidding groove, of the rotary switch.
The one end of revolving fragment is equipped with the go-between, is equipped with the pulley on the other end of revolving fragment, and the revolving fragment is equipped with the one end and the third protective housing swing joint of go-between, and the revolving fragment is equipped with the one end and the second protective housing of pulley card and advances the spout and do swing joint through the pulley card.
One end of the third protective shell is connected with the rotary switch, the other end of the third protective shell is provided with a third round hole, a second internal thread is arranged on the inner wall of the third round hole of the third protective shell, and a sealing sleeve is arranged in the third round hole of the third protective shell.
The outer wall of one end of the sealing sleeve is provided with a second external thread, the end, provided with the second external thread, of the sealing sleeve is provided with a first sealing gasket, the second external thread on the sealing sleeve is matched with a second internal thread on the third protective shell, and a second sealing gasket is arranged inside the sealing sleeve.
In order to overcome the defects in the background technology, the special connecting terminal for the three-phase four-wire system intelligent ammeter is provided with a first connecting rod in an electric connecting hole of the ammeter, the first connecting rod is provided with a first protective shell, the first protective shell is provided with a fixing device, the fixing device is provided with a sealing sleeve, pass the seal cover through the electric wire and insert fixing device, fixing device connects on first protective housing, and the head rod on the first protective housing inserts and reaches at ammeter wiring mouth and prevent circuit contact line and rainproof purpose, the utility model discloses rational in infrastructure practicality changes current table tail wiring mode, increases area of contact, and soft contact changes hard contact into, and fastening strength increases, and connecting material has transition measure, utilizes space advantage to change the distance that business turn over line arrangement increased between line and the line, finally reduces the probability of burning out the ammeter.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of a first protective case of the present invention;
FIG. 3 is a schematic structural view of the fixing device of the present invention;
fig. 4 is a schematic top view of a first protective housing of the present invention;
fig. 5 is a schematic structural view of the rotary switch of the present invention;
fig. 6 is a schematic top view of the rotary switch of the present invention;
fig. 7 is a schematic top view of the rotary plate of the present invention on the third protective shell;
1. a first protective case; 2. a second protective shell; 3. a third protective shell; 4. sealing sleeves; 5. a first connecting rod; 6. a first circular hole; 7. a first anti-slip groove; 8. a second anti-slip groove; 9. connecting sleeves; 10. a second circular hole; 11. a first internal thread; 12. a second external thread; 13. a first gasket; 14. a second gasket; 15. a third circular hole; 16. a second internal thread; 17. a rotary switch; 18. a third gasket; 19. a first external thread; 20. a second connecting rod; 21. a groove; 22. a card; 23. a rotating sheet; 24. a pulley; 25. a connecting ring; 26. a chute; 27. and (4) a fixing device.
Detailed Description
The invention will be explained in more detail by the following examples, which disclose the invention and are intended to protect all technical improvements within the scope of the invention.
Combine as shown in fig. 1~7, three-phase four-wire system smart electric meter private connection terminal, including head rod 5, first protective housing 1, fixing device 27 and seal cover 4, be equipped with head rod 5 and be equipped with fixing device 27 on first protective housing 1, be equipped with seal cover 4 on the fixing device 27, fixing device 27 is by second protective housing 2, rotary switch 17 and second connecting rod 20 constitute, be equipped with rotary switch 17 and second connecting rod 20 on the second protective housing 2, 2 one end of second protective housing is connected with first protective housing 1, the 2 other end of second protective housing is connected with seal cover 4.
The inside one end of first protecting crust 1 is equipped with head rod 5, and the inside intermediate position of first protecting crust 1 is equipped with adapter sleeve 9, and adapter sleeve 9 is inside to be equipped with card 22, and the other end of the inside of first protecting crust 1 is equipped with second round hole 10, is equipped with first internal thread 11 on the inner wall of second round hole 10, and the one end of the inside adapter sleeve 9 of first protecting crust 1 is connected with head rod 5, and the other end of adapter sleeve 9 is connected with second round hole 10.
The first connecting rod 5 is a flat elliptic cylinder, one end of the first connecting rod 5 is connected with a connecting sleeve 9 inside the first protective shell 1, the other end of the first connecting rod 5 is arranged outside the first protective shell 1, the first connecting rod 5 is provided with at least one first round hole 6 on the part outside the first protective shell 1, and the first round holes 6 are orderly arranged on the first connecting rod 5.
Be equipped with first antiskid groove 7 on the surface of the one end of second protective housing 2, second protective housing 2 is equipped with first external screw thread 19 on the oral area of the one end that is equipped with first antiskid groove 7, first internal screw thread 11 looks adaptation on first external screw thread 19 and the second round hole 10 inner wall on the first protective housing 1, the bottom afterbody of first external screw thread 19 is equipped with the third sealed pad 18, be equipped with second connecting rod 20 on the top surface of second protective housing 2, the other end of second protective housing 2 is equipped with spout 26, spout 26 is connected with rotary switch 17.
The shapes of the second connecting rod 20 and the first connecting rod 5 are consistent, one end of the second connecting rod 20 is connected with the second protective shell 2, the other end of the second connecting rod 20 is provided with a groove 21, and the upper top surface of the end, provided with the groove 21, of the second connecting rod 20 is smaller than the lower surface of the second connecting rod 20.
The rotary switch 17 is arranged on the third protective shell 3, a second anti-skid groove 8 is arranged on the outer surface of the rotary switch 17, and a rotary sheet 23 is arranged at one end, provided with the second anti-skid groove 8, of the rotary switch 17.
One end of the rotating sheet 23 is provided with a connecting ring 25, the other end of the rotating sheet 23 is provided with a pulley 24, one end of the rotating sheet 23 provided with the connecting ring 25 is movably connected with the third protective shell 3, and one end of the rotating sheet 23 provided with the pulley 24 is movably connected with the second protective shell 2 through a pulley 24 clamping sliding groove 26.
One end of the third protective shell 3 is connected with the rotary switch 17, the other end of the third protective shell 3 is provided with a third round hole 15, the third protective shell 3 is provided with a second internal thread 16 on the inner wall of the third round hole 15, and the third protective shell 3 is provided with a sealing sleeve 4 in the third round hole 15.
The outer wall of one end of the sealing sleeve 4 is provided with a second external thread 12, one end of the sealing sleeve 4 provided with the second external thread 12 is provided with a first sealing gasket 13, the second external thread 12 on the sealing sleeve 4 is matched with a second internal thread 16 on the third protective shell 3, and a second sealing gasket 14 is arranged inside the sealing sleeve 4.
Embodiment 1, combine the utility model discloses an aim at that the attached drawings 1~7 show provides and relate to three-phase four-wire system smart electric meter special binding post, the utility model discloses at first cover seal cover 4 on the electric wire that connects, the sealed mesh of playing waterproof entering of second in the seal cover 4, seal cover 4 is connected with the third protective housing 3 on the fixing device 27, be equipped with rotary switch 17 on the third protective housing 3, the electric wire twists rotary switch 17 in inserting fixing device 27, the electric wire is cliied to the rotor 23 in the rotary switch 17, the electric wire is connected with the second connecting rod 20 in the fixing device 27, fixing device 27 is inserted through thread tightening in first protective housing 1, second connecting rod 20 blocks into in the adapter sleeve 9 of 5 afterbody of head rod, second connecting rod 20 is connected with head rod 5, head rod 5 injects the wiring hole on the ammeter, fix in first round hole 6 through the screw nail card on the ammeter so that reach and prevent circuit contact line connection and reach and prevent that circuit contact line and connect and this The purpose of rain-proof.
In addition head rod 5 is according to required difference, can divide into the space that zigzag and vertical strip increased between ammeter junction line and the line with this, the utility model discloses rational in infrastructure practicality changes current table tail mode of connection, increases area of contact, and soft contact changes hard contact into, and fastening strength increases, and connecting material has transition measure, utilizes the space advantage to change into the distance that the business turn over line was arranged and is increased between line and the line, finally reduces the probability of burning out the ammeter.
The invention is not described in detail in the prior art, and although the invention has been specifically shown and described in connection with the preferred embodiments, the method and the way of implementing the technical solution are numerous, and only the preferred embodiments of the invention have been described above, it should be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined in the appended claims, which are within the scope of the invention.
Claims (9)
1. Three-phase four-wire system smart electric meter special binding post, including head rod (5), first protective housing (1), fixing device (27) and seal cover (4), characterized by: be equipped with head rod (5) on first protective housing (1) and be equipped with fixing device (27), be equipped with seal cover (4) on fixing device (27), fixing device (27) are by second protective housing (2), rotary switch (17) and second connecting rod (20) constitute, be equipped with rotary switch (17) and second connecting rod (20) on second protective housing (2), second protective housing (2) one end is connected with first protective housing (1), second protective housing (2) other end is connected with seal cover (4), the third protective housing (3) on seal cover (4) other end and fixing device (27) are connected.
2. The special connecting terminal for the three-phase four-wire system intelligent electric meter according to claim 1, which is characterized in that: the one end of first protective housing (1) inside is equipped with head rod (5), the inside intermediate position of first protective housing (1) is equipped with adapter sleeve (9), adapter sleeve (9) inside is equipped with card (22), the other end of the inside of first protective housing (1) is equipped with second round hole (10), be equipped with first internal thread (11) on the inner wall of second round hole (10), the one end of first protective housing (1) inside adapter sleeve (9) is connected with head rod (5), the other end of adapter sleeve (9) is connected with second round hole (10).
3. The special connecting terminal for the three-phase four-wire system intelligent electric meter according to claim 1, which is characterized in that: the connecting structure is characterized in that the first connecting rod (5) is a flat elliptic cylinder, one end of the first connecting rod (5) is connected with a connecting sleeve (9) inside the first protection shell (1), the other end of the first connecting rod (5) is arranged outside the first protection shell (1), the first connecting rod (5) is provided with a first round hole (6) on the part outside the first protection shell (1), at least one first round hole (6) is formed, and the first round holes (6) are orderly arranged on the first connecting rod (5).
4. The special connecting terminal for the three-phase four-wire system intelligent electric meter according to claim 1, which is characterized in that: be equipped with first antiskid groove (7) on the surface of the one end of second protective housing (2), second protective housing (2) is equipped with first external screw thread (19) on the oral area of the one end that is equipped with first antiskid groove (7), first internal thread (11) looks adaptation on first external screw thread (19) and second round hole (10) inner wall on first protective housing (1), the bottom afterbody of first external screw thread (19) is equipped with the sealed pad (18) of third, be equipped with second connecting rod (20) on second protective housing (2) the top surface, the other end of second protective housing (2) is equipped with spout (26), spout (26) are connected with rotary switch (17).
5. The special connecting terminal for the three-phase four-wire system intelligent electric meter according to claim 1, which is characterized in that: the shape of the second connecting rod (20) is consistent with that of the first connecting rod (5), one end of the second connecting rod (20) is connected with the second protective shell (2), the other end of the second connecting rod (20) is provided with a groove (21), and the top surface of the second connecting rod (20) at one end provided with the groove (21) is smaller than the lower surface of the second connecting rod (20).
6. The special connecting terminal for the three-phase four-wire system intelligent electric meter according to claim 1, which is characterized in that: the rotary switch (17) is arranged on the third protective shell (3), a second anti-skid groove (8) is formed in the outer surface of the rotary switch (17), and a rotary sheet (23) is arranged at one end, provided with the second anti-skid groove (8), of the rotary switch (17).
7. The special connecting terminal for the three-phase four-wire system intelligent electric meter according to claim 1, which is characterized in that: the rotary switch (17) is arranged on the third protective shell (3), a second anti-skid groove (8) is formed in the outer surface of the rotary switch (17), and a rotary sheet (23) is arranged at one end, provided with the second anti-skid groove (8), of the rotary switch (17).
8. The special connecting terminal for the three-phase four-wire system intelligent electric meter according to claim 1, which is characterized in that: one end of the third protective shell (3) is connected with the rotary switch (17), the other end of the third protective shell (3) is provided with a third round hole (15), the third protective shell (3) is provided with a second internal thread (16) on the inner wall of the third round hole (15), and the third protective shell (3) is provided with a sealing sleeve (4) in the third round hole (15).
9. The special connecting terminal for the three-phase four-wire system intelligent electric meter according to claim 1, which is characterized in that: the outer wall of one end of the sealing sleeve (4) is provided with a second external thread (12), one end of the sealing sleeve (4) provided with the second external thread (12) is provided with a first sealing gasket (13), the second external thread (12) on the sealing sleeve (4) is matched with a second internal thread (16) on the third protective shell (3), and a second sealing gasket (14) is arranged inside the sealing sleeve (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021841318.XU CN212648611U (en) | 2020-08-28 | 2020-08-28 | Three-phase four-wire smart meter special terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021841318.XU CN212648611U (en) | 2020-08-28 | 2020-08-28 | Three-phase four-wire smart meter special terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212648611U true CN212648611U (en) | 2021-03-02 |
Family
ID=74785952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021841318.XU Expired - Fee Related CN212648611U (en) | 2020-08-28 | 2020-08-28 | Three-phase four-wire smart meter special terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212648611U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113281548A (en) * | 2021-06-29 | 2021-08-20 | 广东电网有限责任公司 | Ammeter binding post |
-
2020
- 2020-08-28 CN CN202021841318.XU patent/CN212648611U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113281548A (en) * | 2021-06-29 | 2021-08-20 | 广东电网有限责任公司 | Ammeter binding post |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210302 Termination date: 20210828 |