CN106848645B - Pin joint formula ammeter binding clip - Google Patents
Pin joint formula ammeter binding clip Download PDFInfo
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- CN106848645B CN106848645B CN201710259108.6A CN201710259108A CN106848645B CN 106848645 B CN106848645 B CN 106848645B CN 201710259108 A CN201710259108 A CN 201710259108A CN 106848645 B CN106848645 B CN 106848645B
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- clamp
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/38—Clamped connections, spring connections utilising a clamping member acted on by screw or nut
Abstract
The invention relates to the field of installation of cables, in particular to a pin joint type electric meter jointing clamp, which comprises a cable clamp, an electric meter clamp and an insulating shell, wherein the cable clamp comprises a clamp body, a movable chuck capable of moving up and down is arranged in the clamp body, an adjusting bolt penetrates through a bolt hole in the clamp body to be in threaded connection with the clamp body and is in rotatable connection with the movable chuck, the electric meter clamp comprises a clamp frame, a bolt, a first pressure spring and an end cover, the clamp frame and the clamp body are integrally formed, a straight hole is formed in the clamp frame, an inserting groove is formed in the clamp body, the end cover is arranged at one end of the straight hole, which is far away from the inserting groove, a through hole is formed in the end cover, the bolt penetrates through the straight hole, one end of the bolt is inserted into the inserting groove, the other end of the bolt penetrates through the through hole to extend out for a distance, a boss is formed in the bolt, and two ends of the first pressure spring respectively abut against the end cover and the boss to tightly press the bolt towards the inserting groove. The invention has the advantages that the electric meter wire is convenient to mount and dismount, and is not easy to loosen after being fastened.
Description
Technical Field
The invention relates to the power supply technology, in particular to a pin joint type electric meter jointing clamp.
Background
Guarantee that electric wire netting safety and stability moves very importantly, the wire connection is handled not well, gives people and brings a lot of puzzlements, for example the ammeter wiring problem of registering one's residence, what present most places adopted is directly twined the ammeter line on the cable circuit, and this kind of mode often can lead to the wiring insecure, takes place the broken string, brings certain loss for the user, brings a large amount of work for maintenance, salvagees personnel.
The conventional electric meter wire clamp can fix a cable and an electric meter wire on a wire clamp body simultaneously to realize electric meter wiring, but most of the electric meter wire clamps can only clamp the cable with fixed specification, so that different electric meter wire clamps are required to be selected according to the cables with different sizes, and the universal cable has a plurality of non-marked lines and even the diameter sizes of standard cables are different, so that the cable is not clamped firmly enough and is easy to loosen; some wire clamps can clamp cables of different specifications, but the structure is too complicated, the operation is troublesome, the production and processing cost is high, and the commonality is not possessed.
In order to solve the problems, a series of pin-connected electric meter wiring clamps are invented by the prior applications of the applicant, such as patent numbers 201420359040.0, 201020220427.X and the like, so that the pin-connected electric meter wiring clamp is strong in universality, suitable for cables with different wire diameters and strong in overcurrent capacity. However, the pin joint type electric meter jointing clamp has the disadvantages of complicated electric meter wire access mode, inconvenient operation and incapability of ensuring the access firmness of the electric meter wire.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide the pin-connected electric meter jointing clamp which is simple in electric meter wire access mode and not easy to loosen in connection fastening.
The invention is realized by the following technical scheme:
the utility model provides a pin joint formula ammeter binding clip, is including the cable clamp that is used for connecting cable, the ammeter fastener that is used for connecting the ammeter line, and insulating casing, the cable clamp includes the fastener body, is equipped with the recess in the fastener body, the embedding has the chuck that moves that can reciprocate in the recess, fixed being equipped with on the fastener body with the chuck that moves the clamp of chuck relative quiet, be equipped with the dress line mouth on the fastener body, the dress line mouth is located between the opening and the quiet chuck of recess, the bottom of the recess on the fastener body is equipped with a bolt hole, an adjusting bolt passes this bolt hole and fastener body threaded connection when, but carries out rotatable coupling with moving the chuck, ammeter fastener includes the fastener frame, bolt, first pressure spring and end cover, the fastener frame with fastener body fixed connection or integrated into one piece are equipped with the straight hole that runs through on the fastener frame, are equipped with the slot relative with the straight hole on the fastener body, and the one end installation of keeping away from the slot on the straight hole the end cover, be equipped with the perforation on the end cover, the bolt passes the straight hole, and insert in the slot, the other end of bolt passes the perforation stretches out a section distance, is equipped with the boss on the boss, the both ends of first pressure spring push up respectively and will compress tightly to the slot of end cover slot.
Preferably, the boss is cylindrical, the straight hole is a circular hole, and the diameter of the straight hole is equal to or slightly larger than that of the boss.
Preferably, the length of one end of the inserted pin inserted into the slot and extending out of the boss is smaller than the depth of the slot.
Preferably, the length of the boss is greater than the distance between the slot and the straight hole.
Preferably, one side or two sides of the movable chuck are provided with non-return sawteeth which are non-return in the opposite direction of the clamping end, the outer side of the non-return sawteeth of the movable chuck is provided with an anti-loosening non-return sawteeth block matched with the outer side of the non-return sawteeth of the movable chuck, one side of the anti-loosening non-return sawteeth block matched with the movable chuck is provided with non-return sawteeth which are non-return in the direction of the clamping end, the inner side of the anti-loosening non-return sawteeth block is the inner side of the anti-loosening non-return sawteeth block, the opposite side of the anti-loosening non-return sawteeth block is the outer side of the anti-loosening non-return sawteeth block, a second pressure spring is arranged between the outer side of the anti-loosening non-return sawteeth block and the cable clamp body, and the anti-loosening non-return sawteeth block is pressed on the movable chuck through the second pressure spring.
Preferably, the anti-loosening and anti-return sawtooth block is hinged to the wire clamp body, and an unlocking mechanism for loosening the anti-return sawteeth of the anti-loosening and anti-return sawtooth block and the anti-return sawteeth of the movable chuck is arranged on one side, close to the second pressure spring, of the anti-loosening and anti-return sawtooth block.
Preferably, the unlocking mechanism comprises a pull rod, a through hole for the pull rod to pass through is formed in the wire clamp body, and the pull rod passes through the through hole and is fixedly connected with the anti-loosening and non-return sawtooth block.
Preferably, pin-connected ammeter binding clip still includes prevents down power supply unit, prevent down power supply unit includes a fixed connection in the fastener body or prevent down the terminal and a cover prevent down the shell in the outer detachable of terminal of preventing down on the fastener frame.
Preferably, insulating casing includes fixed connection at this external shell body of fastener, is used for opening or closes the apron of wiring mouth, is used for the protection adjusting bolt's first helmet and be used for the protection the second helmet of bolt, one side of apron is articulated with shell body, and the opposite side can be dismantled with shell body and be connected, and first helmet, second helmet carry out to dismantle with shell body respectively and are connected.
Preferably, prevent down the shell and include two and prevent down the branch shell, two prevent down the branch shell and locate respectively prevent down the both sides of terminal, and two prevent down the one end of branch shell respectively with shell body is articulated, prevents down that the branch shell is relative for two sides can dismantle the connection.
Preferably, the anti-falling split shells are respectively provided with a shifting buckle.
Preferably, the anti-falling wiring terminal is in threaded connection with the wire clamp body or the wire clamp frame.
Preferably, the static chuck and/or the clamping end are in a concave arc structure or a bending structure with at least two surfaces capable of contacting with the cable.
Preferably, the pin joint type electric meter jointing clamp further comprises a protective cover, and the protective cover is sleeved on the clamp body and is arranged in the insulating shell.
The pin joint type electric meter jointing clamp has the beneficial effects that: (1) the access mode of the electric meter line is simple, and the connection is firm and is not easy to loosen; (2) the anti-falling power supply device is provided, and the structure is simple and the safety is good; (2) one side surface or two side surfaces of the movable chuck are provided with the non-return sawteeth, and the movable chuck can only move towards the direction of the static chuck due to the action of the pressure spring and the anti-loosening non-return sawteeth block is matched and clamped, so that the self-locking device has the advantages of self-locking, simple structure and convenience in assembly; (3) through setting up release mechanism, loosen the locking contrary serration piece that ends that takes off easily, remove its chucking effect to moving the chuck, convenient unblock, convenient dismantlement can reuse, resources are saved.
The conception, specific structure and effects of the present invention will be further described in conjunction with the accompanying drawings to fully understand the objects, features and effects of the present invention.
Drawings
FIG. 1 is a schematic structural view of a pin-jointed electric meter terminal of the present invention;
FIG. 2 is a reference view showing a state of use of a pin-jointed electric meter binding clip according to the present invention;
FIG. 3 is a schematic structural view of FIG. 1 with the insulating housing and the fall prevention housing omitted;
FIG. 4 is a schematic view of the structure of FIG. 3 with the shield omitted;
FIG. 5 is an exploded view of FIG. 4;
FIG. 6 is a cross-sectional view of FIG. 4 after installation of the power line;
FIG. 7 is a schematic structural view of an electric meter wire in the present embodiment;
wherein: 1-cable clamp, 11-clamp body, 111-static clamp, 112-groove, 113-wire loading port, 114-slot, 12-movable clamp, 121-clamping end, 13-adjusting bolt, 14-anti-loosening and non-return sawtooth block, 15-second pressure spring, 16-pull rod, 2-ammeter clamp, 21-wire clamp frame, 211-straight hole, 22-bolt, 221-boss, 23-first pressure spring, 24-end cover, 241-perforation, 3-anti-falling power supply device, 31-anti-falling binding post, 32-anti-falling shell, 321, 322-anti-falling shell, 323-toggle, 4-insulating shell, 41-shell body, 42-cover plate, 43-first protective cap, 44-second protective cap, 5-protective cover, 6-ammeter wire, 61-binding post, 611-binding hole and 7-cable.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
As shown in fig. 1-7, a pin joint type electric meter jointing clamp comprises a cable clamp 1 for connecting a cable, an electric meter clamp 2 for connecting an electric meter wire, and an insulating housing 4, wherein the cable clamp 1 comprises a clamp body 11, a groove 112 is arranged in the clamp body 11, a movable clamp 12 capable of moving up and down is embedded in the groove 112, a fixed clamp 111 opposite to a clamping end 121 of the movable clamp 12 is fixedly arranged on the clamp body 11, a wire installing port 113 is arranged on the clamp body 11, the wire installing port 113 is positioned between an opening of the groove 112 and the fixed clamp 111, a bolt hole is arranged at the bottom of the groove 112 on the clamp body 11, an adjusting bolt 13 passes through the bolt hole to be in threaded connection with the clamp body 11 and is rotatably connected with the movable clamp 12, the electric meter wire clamp 2 comprises a wire clamp frame 21, a plug 22, a first pressure spring 23 and an end cover 24, the wire clamp frame 21 and a wire clamp body 11 are integrally formed, a through straight hole 211 is formed in the wire clamp frame 21, a slot 114 opposite to the straight hole 211 is formed in the wire clamp body 11, the end cover 24 is installed at one end, far away from the slot 114, of the straight hole 211, the end cover 24 is preferably in threaded connection with the straight hole 211, a through hole 241 is formed in the end cover 24, the plug 22 penetrates through the straight hole 211, the plug 22 is placed in the straight hole 211, one end of the plug 22 is inserted into the slot 114, the other end of the plug 22 penetrates through the through hole 241 and extends out for a certain distance, a boss 221 is formed in the plug 22, two ends of the first pressure spring 23 respectively abut against the end cover 24 and the boss 221 so as to press the plug 22 towards the direction of the slot 114.
When the cable is installed, the bare wire part of the cable 7 with an insulating outer layer stripped is placed between the movable chuck 12 and the static chuck 111, and the adjusting bolt 13 is rotated to enable the movable chuck 12 to move towards the static chuck 111 until the cable 7 is clamped; when the cable 7 is disassembled, the adjusting bolt 13 is rotated reversely to enable the movable chuck 12 to be far away from the static chuck 111, and the cable 7 can be loosened.
When the electric meter wire 6 is installed, the end of the plug 22 extending out of the through hole 241 is grasped and pulled out for a certain distance, the other end of the plug 22 is separated from the slot 114, the connection terminal 61 of the electric meter wire 6 is placed on the slot 114, then the plug 22 is loosened, and under the action of the elastic force of the first compression spring 23, the end of the plug 22 passes through the connection hole 611 on the connection terminal 61 and is inserted into the slot 114, so that the electric meter wire 6 is fixedly connected to the wire clamp body 11; when the electric wire 6 is removed, the end of the plug 22 extending through the through hole 241 is grasped and pulled out for a certain distance to disengage the other end of the plug 22 from the insertion groove 114, and the connection terminal 61 of the electric wire 6 is removed from the insertion groove 114, that is, the electric wire 6 is removed.
In a preferred embodiment, the boss 221 is cylindrical, the straight hole 211 is a circular hole, and the diameter of the straight hole 211 is equal to or slightly larger than that of the boss 221. The mechanism enables the boss 221 of the bolt 22 to move under the guidance of the straight hole 211, and the bolt 22 is not easy to shake in the straight hole 211.
In a preferred embodiment, the end of the plug 22 inserted into the slot 114 extends beyond the projection 221 by a length less than the depth of the slot 114. This structure can ensure that the lower surface of the boss 221 can press the connection terminal 61 of the electric wire 6, so that the contact area between the boss 221 and the connection terminal 61 is large, which is beneficial to current conduction.
In a preferred embodiment, the length of the projection 221 is greater than the distance between the slot 114 and the straight hole 211. This mechanism ensures that the boss 221 does not fully disengage from the straight bore 211 causing the shoot bolt 22 to deflect during operation.
As a preferred embodiment, one side surface or two side surfaces of the movable chuck 12 is/are provided with check saw teeth which check in the opposite direction of the clamping end 121, the outer side of the check saw teeth of the movable chuck 12 is/are provided with an anti-loosening check saw tooth block 14 which is/are matched with the check saw teeth, the side where the anti-loosening check saw tooth block 14 is matched with the movable chuck 12 is provided with check saw teeth which check in the direction of the clamping end 121, the side is the inner side of the anti-loosening check saw tooth block 14, the opposite side is the outer side of the anti-loosening check saw tooth block 14, a second pressure spring 15 is arranged between the outer side of the anti-loosening check saw tooth block 14 and the cable clamp body 11, and the anti-loosening check saw tooth block 14 is pressed on the movable chuck 12 through the second pressure spring 15. This structure can prevent the movable chuck 12 from being loosened.
In a preferred embodiment, the anti-loosening and non-return sawtooth block 14 is hinged to the wire clamp body 11, and an unlocking mechanism for loosening the non-return sawtooth of the anti-loosening and non-return sawtooth block 14 from the non-return sawtooth of the movable clamping head 12 is arranged on one side of the anti-loosening and non-return sawtooth block 14 close to the second pressure spring 15.
As a preferred embodiment, the unlocking mechanism includes a pull rod 16, a through hole for the pull rod 16 to pass through is provided on the wire clamp body 11, the pull rod 16 passes through the through hole and is fixedly connected with the anti-loosening and non-return saw-toothed block 14 (for example, the two are in threaded connection), but there is no direct connection relation with the wire clamp body 11, the size of the through hole corresponding to the wire clamp body 11 is larger than the outer diameter of the unlocking pin 22, in this way, the unlocking is most convenient, and the unlocking of the movable clamping head 12 can be realized only by pulling the unlocking pull rod 16 outwards.
As a preferred embodiment, the pin joint type electric meter jointing clamp further comprises an anti-falling power supply device 3, and the anti-falling power supply device 3 comprises an anti-falling terminal 31 fixedly connected to the wire clamp frame 21 and a detachable anti-falling shell 32 sleeved outside the anti-falling terminal 31. When the cable 7 or the electric meter wire 6 is assembled and disassembled, the anti-falling shell 32 is firstly opened to expose the anti-falling binding post 31, then the grounding wire is connected to the anti-falling binding post 31, the main cable 7 is ensured to be firstly grounded, and the danger caused by the electrification of some main cable 7 wires is prevented; after the operation is finished, the grounding wire is taken down, and the anti-falling shell 32 is arranged to hermetically insulate the anti-falling wiring terminal 31.
As a preferred embodiment, the insulating housing 4 includes a housing body 41 fixedly connected to the outside of the wire clamp body 11, a cover plate 42 for opening or closing the wire loading port 113, a first protective cap 43 for protecting the adjusting bolt 13, and a second protective cap 44 for protecting the plug 22, wherein one side of the cover plate 42 is hinged to the housing body 41, and the other side is detachably connected to the housing body 41, and the first protective cap 43 and the second protective cap 44 are detachably connected to the housing body 41, and the detachable connection is preferably a snap connection.
As a preferred embodiment, the falling prevention housing 32 comprises two falling prevention sub-housings 321 and 322, the two falling prevention sub-housings 321 and 322 are respectively disposed at two sides of the falling prevention binding post 31, one ends of the two falling prevention sub-housings 321 and 322 are respectively hinged to the housing body 41, and the opposite sides of the two falling prevention sub-housings 321 and 322 are detachably connected, preferably, by being buckled.
As a preferred embodiment, the falling prevention shells 321 and 322 are further provided with a toggle button 323, so that the falling prevention shell 32 can be conveniently opened by a tool in the operation process, the human body is prevented from directly contacting the falling prevention binding post 31, and the safety is good.
In a preferred embodiment, the anti-falling terminal 31 is screwed on the wire holder 21, and the structure is convenient to process and design.
In a preferred embodiment, the static clamp 111 and the clamping end 121 are of a concave arc structure or a bent structure having at least two surfaces capable of contacting the cable 7. The structure can increase the contact area between the clamping ends 121 of the static chuck 111 and the dynamic chuck 12 and the cable 7, so that the clamping ends 121 of the static chuck 111 and the dynamic chuck 12 are matched to tightly hold the cable 7, and the cable 7 is more firmly fixed.
As a preferred embodiment, the pin-jointed electric meter jointing clamp further comprises a protective cover 5, the protective cover 5 is sleeved on the clamp body 11 and is arranged in the insulating shell 4, preferably, the protective cover 5 is tightly sleeved on the periphery of the clamp body 11, when the protective cover 5 is installed, the opening on the side surface of the groove 112 can be blocked, the movable clamp 12 and the anti-loosening non-return sawtooth block 14 can be prevented from sliding out of the groove, when the protective cover 5 is detached, the opening on the side surface of the groove 112 can be opened, and the movable clamp 12 and the anti-loosening non-return sawtooth block 14 can be conveniently installed in the opening on the side surface of the groove 112.
Preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Claims (14)
1. The utility model provides a pin joint formula ammeter binding clip, including the cable clamp that is used for connecting cable, the ammeter fastener that is used for connecting the ammeter line, and insulating casing, the cable clamp includes the fastener body, is equipped with the recess in the fastener body, the embedding has the movable chuck that can reciprocate in the recess, fixed being equipped with on the fastener body with the relative quiet chuck of the clamping end of movable chuck, be equipped with the wiring mouth on the fastener body, the wiring mouth is located between the opening of recess and the quiet chuck, the bottom of the recess on the fastener body is equipped with a bolt hole, an adjusting bolt passes this bolt hole and when fastener body threaded connection, but carries out rotatable coupling with the movable chuck, a serial communication port, ammeter fastener includes the fastener frame, bolt, first pressure spring and end cover, the fastener frame with fastener body fixed connection or integrated into one piece is equipped with the straight hole that runs through on the fastener frame, be equipped with the slot relative with the straight hole on the fastener body, the one end installation of slot of keeping away from the straight hole on the straight hole the end cover, be equipped with the perforation on the end cover, the bolt passes the straight hole, the one end slot, the bolt passes in the one end slot, the other end slot passes the straight hole, the perforation stretches out a distance, be equipped with the boss that the bolt passes, the boss of bolt, the boss compresses tightly the boss respectively and insert the direction of bolt on the boss.
2. A pin-jointed electric meter jointing clamp as claimed in claim 1, wherein the boss is cylindrical, the through hole is a circular hole, and the diameter of the through hole is equal to or slightly larger than that of the boss.
3. A pinned meter clip according to claim 1 wherein the end of the pin inserted into the slot extends beyond the boss by a length less than the depth of the slot.
4. The pinned meter connector clip of claim 1, wherein the length of the boss is greater than the distance between the slot and the straight hole.
5. The pin-connected electric meter jointing clamp according to claim 1, wherein one or both side surfaces of the movable clamp head are provided with non-return saw teeth which are non-return in the opposite direction of the clamping end, the outer side of the non-return saw teeth of the movable clamp head is provided with an anti-loosening non-return saw tooth block which is matched with the outer side of the non-return saw teeth of the movable clamp head, one side of the anti-loosening non-return saw tooth block which is matched with the movable clamp head is provided with non-return saw teeth which are non-return in the direction of the clamping end, the side is the inner side of the anti-loosening non-return saw tooth block, the opposite side is the outer side of the anti-loosening non-return saw tooth block, a second pressure spring is arranged between the outer side of the anti-loosening non-return saw tooth block and the clamp body, and the anti-loosening non-return saw tooth block is pressed on the movable clamp head through the second pressure spring.
6. The pin-jointed electric meter jointing clamp according to claim 5, wherein the anti-loosening and non-return sawtooth block is hinged to the clamp body, and an unlocking mechanism for loosening the non-return sawteeth of the anti-loosening and non-return sawtooth block from the non-return sawteeth of the movable chuck is arranged on the side of the anti-loosening and non-return sawtooth block close to the second compression spring.
7. The pin-jointed electric meter jointing clamp according to claim 6, wherein the unlocking mechanism comprises a pull rod, the clamp body is provided with a through hole for the pull rod to pass through, and the pull rod passes through the through hole and is fixedly connected with the anti-loosening and non-return sawtooth block.
8. The pin-jointed electric meter terminal clamp of claim 1, further comprising a back-falling prevention power supply device, wherein the back-falling prevention power supply device comprises a back-falling prevention terminal fixedly connected to the wire clamp body or the wire clamp frame and a detachable back-falling prevention housing sleeved outside the back-falling prevention terminal.
9. The pin joint type electric meter jointing clamp according to claim 8, wherein the insulating housing comprises a housing body fixedly connected outside the wire clamp body, a cover plate for opening or closing the wire loading port, a first protective cap for protecting the adjusting bolt, and a second protective cap for protecting the bolt, one side of the cover plate is hinged with the housing body, the other side of the cover plate is detachably connected with the housing body, and the first protective cap and the second protective cap are respectively detachably connected with the housing body.
10. The pin-jointed electric meter jointing clamp according to claim 9, wherein the anti-falling housing comprises two anti-falling split shells, the two anti-falling split shells are respectively disposed on two sides of the anti-falling terminal, one ends of the two anti-falling split shells are respectively hinged to the housing body, and the two opposite sides of the anti-falling split shells are detachably connected.
11. The pin joint type electric meter jointing clamp according to claim 10, wherein the anti-falling shells are further provided with shifting buckles respectively.
12. The pinned meter junction clamp of claim 8, wherein the anti-backup terminal is threaded onto the clamp body or the clamp frame.
13. A pinned meter clamp according to any one of claims 1 to 11 wherein the static grip and/or the clamping end are of concave arcuate configuration or of bent configuration having at least two faces contactable with a cable.
14. The pinned meter clamp of any of claims 1-11, further comprising a shield that is sleeved over the clamp body and disposed within the insulative housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710259108.6A CN106848645B (en) | 2017-04-19 | 2017-04-19 | Pin joint formula ammeter binding clip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710259108.6A CN106848645B (en) | 2017-04-19 | 2017-04-19 | Pin joint formula ammeter binding clip |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106848645A CN106848645A (en) | 2017-06-13 |
| CN106848645B true CN106848645B (en) | 2023-02-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710259108.6A Active CN106848645B (en) | 2017-04-19 | 2017-04-19 | Pin joint formula ammeter binding clip |
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| CN206727244U (en) * | 2017-04-19 | 2017-12-08 | 广州番禺电缆集团有限公司 | Pin joint formula jointing clamp of electric meter |
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| GB221914A (en) * | 1923-07-20 | 1924-09-25 | John Skerrett Adrian Walsh | Improvements in terminals or connections for electric conductors |
| CN202178409U (en) * | 2011-08-31 | 2012-03-28 | 北京市电力公司 | Temporary ground wire clamp |
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| CN106848645A (en) | 2017-06-13 |
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