CN106972291B - Plug-in type ammeter binding clip - Google Patents
Plug-in type ammeter binding clip Download PDFInfo
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- CN106972291B CN106972291B CN201710259387.6A CN201710259387A CN106972291B CN 106972291 B CN106972291 B CN 106972291B CN 201710259387 A CN201710259387 A CN 201710259387A CN 106972291 B CN106972291 B CN 106972291B
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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
- H01R11/03—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 characterised by the relationship between the connecting locations
- H01R11/05—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 characterised by the relationship between the connecting locations the connecting locations having different types of direct 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
- H01R4/42—Clamping area to one side of screw only
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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
- H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient 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
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/20—Connectors or connections adapted for particular applications for testing or measuring purposes
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Abstract
The invention relates to the field of cable installation, in particular to a plug-in type electric meter jointing clamp which comprises a cable clamp, an electric meter clamp and an insulating shell, wherein the electric meter clamp comprises a second groove, a left movable clamping block, a right movable clamping block, a left spring, a right spring and a cover plate, the left movable clamping block and the right movable clamping block are arranged at the bottom of the second groove and are respectively supported by the left spring and the right spring, the left side wall and the right side wall of the second groove are arranged at an acute angle with each other and are respectively parallel to the axial direction of the left spring and the right spring, the left movable clamping block and the right movable clamping block are respectively clung to the left side wall and the right side wall of the second groove and are abutted against together under the action of the springs, the left movable clamping block and the right movable clamping block are respectively provided with a left wire clamping groove and a right wire clamping groove, the upper side wall of the second groove is provided with a wire insertion hole, the cover plate is provided with a left guide groove and a right guide groove, the left movable clamping block and a right driving rod are respectively arranged on the left movable clamping block and the right movable clamping block, and a right driving rod respectively, and a left driving rod passes through the left guide groove and right driving rod respectively, and right driving rod and is fixedly connected with the left movable clamping block. The invention has the advantages of convenient assembly and disassembly of the electric meter wire, simple structure and convenient use.
Description
Technical Field
The invention relates to the electric power supply technology, in particular to a plug-in 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, troublesome operation, and production and processing cost is high, does not have the commonality.
In order to solve the problems, a series of plug-in type 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 plug-in type electric meter wiring clamp is strong in universality, suitable for cables with different wire diameters and strong in overcurrent capacity. However, the electric meter wire of the plug-in type electric meter jointing clamp is complex in access mode, inconvenient to operate and incapable of guaranteeing 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 plug-in type electric meter jointing clamp which is simple in electric meter wire access mode, firm in connection and not easy to loosen.
The invention is realized by the following technical scheme:
a plug-in type electric meter jointing clamp comprises a cable clamp body, an electric meter clamp body and an insulating shell, wherein a first groove is formed in the cable clamp body, a movable chuck capable of moving up and down is embedded in the first groove, a static chuck opposite to a clamping end of the movable chuck is fixedly arranged on the cable clamp body, a wire loading port is formed in the cable clamp body and is positioned between an opening of the first groove and the static chuck, a bolt hole is formed in the bottom of the first groove in the cable clamp body, an adjusting bolt penetrates through the bolt hole to be in threaded connection with the cable clamp body and is in rotatable connection with the movable chuck, the electric meter clamp body comprises a second groove, a left movable clamping block, a right movable clamping block, a left spring, a right spring and a cover plate, the second groove is formed in the cable clamp body, the left movable clamping block, the right movable clamping block, the left spring, the right spring and the cover plate are arranged on the cable clamp body, the left and right movable clamping blocks are arranged at the bottom of the second groove and are respectively supported on the lower side wall of the second groove through a left spring and a right spring, the left side wall and the right side wall of the second groove are arranged at acute angles, the axial directions of the left spring and the right spring are respectively parallel to the left side wall and the right side wall of the second groove, the left movable clamping block and the right movable clamping block are respectively tightly attached to the left side wall and the right side wall of the second groove and are respectively abutted against the left side wall and the right side wall of the second groove under the action of upward elastic force of the left spring and the right spring, the opposite sides of the left movable clamping block and the right movable clamping block are respectively provided with a left clamping wire groove and a right clamping wire groove, the upper side wall of the second groove is provided with an inserting wire hole, the cover plate covers the opening of the second groove, the cover plate is provided with two left guide grooves respectively parallel to the left spring and the right spring, the left movable clamping block and the right movable clamping block are respectively provided with a left driving rod and a right driving rod, and the left driving rod respectively penetrates through the left guide groove and the right guide groove and is fixedly connected with the left movable clamping block and the right clamping block.
Preferably, the left and right movable clamping blocks are respectively provided with a left embedding structure and a right embedding structure which can be embedded with each other, one of the left embedding structure and the right embedding structure is provided with a T-shaped block, and the other one is provided with a T-shaped groove matched with the T-shaped block.
Preferably, the lower parts of the left and right movable clamping blocks are respectively provided with a left guide rod and a right guide rod, and the left and right springs are respectively sleeved outside the left and right guide rods.
Preferably, the left and right wire clamping grooves are internally provided with anti-skid stripes.
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 pressure spring is arranged between the outer side of the anti-loosening non-return sawteeth block and the wire clamp body, and the anti-loosening non-return sawteeth block is pressed on the movable chuck through the 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 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, plug-in type ammeter binding clip still includes prevents down power supply unit, prevent down power supply unit and include a fixed connection prevent down the shell with a cover in preventing down the outer detachable of binding post on the fastener body.
Preferably, insulating casing includes fixed connection and presss from both sides this external shell body of external, is used for opening or closing the flip of wiring mouth, is used for the protection adjusting bolt's helmet, and one side of flip is articulated with shell body, and the opposite side can be dismantled with shell body and be connected, and the helmet can be dismantled with shell body and be 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 the shell body is articulated, prevents down that the relative side of branch shell is dismantled for two and connect.
Preferably, the anti-falling split shell is further provided with a shifting plate and/or a pull ring.
Preferably, the anti-falling wiring terminal is in threaded connection with the wire clamp body.
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 plug-in type ammeter binding clip still includes the guard shield, the guard shield cup joints outside the first recess and in place in the insulating casing.
The plug-in 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 plug-in type electric meter jointing clamp of the present invention;
FIG. 2 is a reference diagram of the use state of the plug-in type electric meter jointing clamp of the invention;
FIG. 3 is a schematic structural view of FIG. 1 with the insulating housing and the falling-proof 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 schematic view of the left and right movable clamping blocks of FIG. 1;
wherein: 1-cable clamp, 11-clamp body, 111-static clamp, 112-first groove, 113-wire loading port, 12-movable clamp, 121-clamping end, 13-adjusting bolt, 14-anti-loosening and non-return sawtooth block, 15-pressure spring, 16-pull rod, 2-electric meter clamp, 21-second groove, 211-wire insertion hole, 22-left movable clamp block, 221-left wire clamping groove, 222-left deflector rod, 223-left embedded structure, 224-left guide rod 23-right movable clamp block, 231-right wire clamping groove, 232-right deflector rod, 233-right embedded structure, 234-right guide rod, 24-left spring, 25-right spring, 26-cover plate, 261-left guide groove, 262-right guide groove, 27-anti-slip stripe, 31-anti-slip stripe, 32-anti-slip shell, 321, 322-anti-slip split shell, 323-deflector plate, 324-4-insulating shell, 41-anti-slip shell, 42-flip-ring protective cap, 43-pull ring flip-cover and 5-terminal.
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 description of the specific embodiments is intended to be illustrative of the invention and is not intended to limit the invention.
As shown in fig. 1-6, a plug-in 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 first groove 112 is arranged in the clamp body 11, a movable clamp 12 capable of moving up and down is embedded in the first 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 loading port 113 is arranged on the clamp body 11, the wire loading port 113 is positioned between an opening of the first groove 112 and the fixed clamp 111, a bolt hole is arranged at the bottom of the first 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 clamp 2 comprises a second groove 21 arranged on the clamp body 11, a left movable clamp block 22, a right movable clamp block 23, a left spring 24, a right spring 25 and a cover plate 26, the left and the right spring 25 are respectively abutted against the upper side wall of the left groove 21 and the right groove 21, the left spring 23, the right spring 21 and the right spring 23, the left spring 21 are respectively supported by an acute angle, the left side wall (21, the right side wall 21 and the right side wall 21, the right wall 21 are respectively, the right wall 21 and the right wall 21 are respectively, the right wall 21 and the right wall 21 are respectively, the cover plate 26 is provided with two left and right guide grooves (261, 262) which are respectively parallel to the left and right springs (24, 25), the left and right movable clamping blocks (22, 23) are respectively provided with a left and right deflector rod (222, 232), and the left and right deflector rods (222, 232) respectively penetrate through the left and right guide grooves (261, 262) and are fixedly connected with the left and right movable clamping blocks (22, 23).
When the cable is installed, the bare wire part of the cable with an insulation 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 is clamped; when the cable 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 can be loosened.
When the electric meter line is installed, firstly, the left and right deflector rods (222, 232) are moved downwards to enable the left and right movable clamping blocks (22, 23) to overcome the elasticity of the left and right springs (24, 25) to slide downwards along the left and right side walls of the second groove 21, meanwhile, the opposite sides of the left and right movable clamping blocks 23 are continuously separated, namely, the left and right clamping grooves (221, 231) are continuously separated, the electric meter line passes through the wire insertion hole 211 and is inserted into the left and right clamping grooves (221, 231), then the left and right deflector rods (222, 232) are loosened, and under the action of the upward elasticity of the left and right springs (24, 25), the left and right movable clamping blocks (22, 23) slide upwards along the left and right side walls of the second groove 21 until the left and right clamping grooves (221, 231) clamp the electric meter line; when the electric meter wire is disassembled, the electric meter wire is far away from the electric meter wire installation, and only the left and right deflector rods (222 and 232) are needed to be downwards moved and then the electric meter wire is pulled out.
In a preferred embodiment, the left and right movable clamping blocks (22, 23) are further provided with a left engaging structure 223 and a right engaging structure 233 which can be engaged with each other, the right engaging structure 233 is a T-shaped block, and the left engaging structure 223 is provided with a T-shaped groove which is matched with the T-shaped block. The T-shaped block is embedded with the T-shaped groove, so that the left and right movable clamping blocks (22, 23) can only be horizontally separated or closed, and can not generate relative displacement in the vertical direction, and the left and right movable clamping blocks (22, 23) can not generate vertical dislocation.
In a preferred embodiment, the left and right movable blocks (22, 23) are provided with left and right guide rods (224, 234) at their lower portions, and left and right springs (24, 25) are fitted over the left and right guide rods (224, 234), respectively, so that the left and right movable blocks (22, 23) can be guided in their movement.
In a preferred embodiment, anti-slip stripes 27 are arranged in the left and right wire clamping grooves (221, 231), and the structure is helpful for the left and right wire clamping grooves (221, 231) to clamp the electric meter wire.
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 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/is pressed on the movable chuck 12 through the 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 with the wire clamp body 11, and an unlocking mechanism for loosening the non-return sawteeth of the anti-loosening and non-return sawtooth block 14 and the non-return sawteeth of the movable chuck 12 is arranged on one side of the anti-loosening and non-return sawtooth block 14 close to the 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-tooth block 14 (for example, the pull rod and the anti-loosening and non-return saw-tooth block are in threaded connection), but there is no direct connection relation with the wire clamp body 11, and the size of the through hole corresponding to the wire clamp body 11 is larger than the outer diameter of the unlocking pin 22.
As a preferred embodiment, the plug-in type electric meter terminal clamp further comprises a tilting prevention power supply device, and the tilting prevention power supply device 3 comprises a tilting prevention terminal 31 fixedly connected to the terminal clamp body 11 and a detachable tilting prevention shell 32 sleeved outside the tilting prevention terminal 31. When a cable or an electric meter wire is assembled and disassembled, the anti-falling shell 32 is opened firstly, the anti-falling binding post 31 is exposed, then the grounding wire is connected to the anti-falling binding post 31, the main cable is ensured to be grounded firstly, and the danger caused by the fact that some main cables are electrified 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 outside the wire clamp body 11, a flip cover 42 for opening or closing the wire loading port 113, and a protective cap 43 for protecting the adjusting bolt 13, wherein one side of the flip cover 42 is hinged to the housing body 41, the other side is detachably connected to the housing body 41, and the protective cap 43 is 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, 322), the two falling prevention sub-housings (321, 322) are respectively arranged at two sides of the falling prevention binding post 31, one ends of the two falling prevention sub-housings (321, 322) are respectively hinged to the housing body 41, and the opposite sides of the two falling prevention sub-housings (321, 322) are detachably connected, preferably in a snap-fit manner.
As a preferred embodiment, the falling prevention split shells (321, 322) are both provided with a shifting plate 323 and a pull ring 324, wherein the shifting plate 323 and the pull ring 324 are of an integrally formed structure, so that the falling prevention shell 32 can be conveniently opened by a tool in the operation process, the direct contact between a human body and the falling prevention binding post 31 is avoided, and the safety is good.
As a preferred embodiment, the anti-falling terminal 31 is screwed on the wire clamp body 11, and the structure is convenient to process and design.
In a preferred embodiment, the static clamping head 111 and/or the clamping end 121 are of a concave arc structure or a bent structure having at least two surfaces capable of contacting the cable. 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, so that the clamping ends 121 of the static chuck 111 and the dynamic chuck 12 are matched to tightly hold the cable, and the cable is more firmly fixed.
As a preferred embodiment, the plug-in type electric meter jointing clamp further comprises a protective cover 5, the protective cover 5 is sleeved outside the first groove 112 and is arranged in the insulating shell 4, when the protective cover 5 is installed, the opening on the side surface of the first groove 112 can be blocked, the movable clamping head 12 and the anti-loosening non-return sawtooth block 14 are prevented from sliding out of the first groove 112, when the protective cover 5 is detached, the opening on the side surface of the first groove 112 can be opened, and the movable clamping head 12 and the anti-loosening non-return sawtooth block 14 can be conveniently installed in the opening on the side surface of the first groove 112.
Preferred embodiments of the present invention are shown in the drawings. This 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. A plug-in type electric meter jointing clamp comprises a cable clamp body, an electric meter clamp body and an insulating shell, wherein the cable clamp body is used for connecting a cable, the electric meter clamp body is used for connecting an electric meter wire, the cable clamp body comprises a clamp body, a first groove is arranged in the clamp body, a movable chuck capable of moving up and down is embedded in the first groove, a static chuck opposite to a clamping end of the movable chuck is fixedly arranged on the clamp body, a wire loading port is arranged on the clamp body and is positioned between an opening of the first groove and the static chuck, a bolt hole is arranged at the bottom of the first groove on the clamp body, an adjusting bolt penetrates through the bolt hole to be in threaded connection with the clamp body and is in rotatable connection with the movable chuck, and the electric meter clamp is characterized by comprising a second groove, a left movable clamping block, a right movable clamping block, a left spring, a right spring and a cover plate which are arranged on the clamp body, the left and right movable clamping blocks are arranged at the bottom of the second groove and are respectively supported on the lower side wall of the second groove through a left spring and a right spring, the left side wall and the right side wall of the second groove are arranged at an acute angle, the axial directions of the left spring and the right spring are respectively parallel to the left side wall and the right side wall of the second groove, the left movable clamping block and the right movable clamping block are respectively clung to the left side wall and the right side wall of the second groove and are respectively abutted against the left side wall and the right side wall of the second groove under the action of upward elastic force of the left spring and the right spring, the opposite sides of the left movable clamping block and the right movable clamping block are respectively provided with a left clamping wire slot and a right clamping wire slot, the upper side wall of the second groove is provided with an inserting wire hole, the cover plate covers the opening of the second groove, the cover plate is provided with two left guide slots and right guide slots respectively parallel to the left spring and the right spring, the left movable clamping block and the right movable clamping block are respectively provided with a left driving rod and a right driving rod, and the left driving rod respectively penetrates through the left guide slot and the right guide slot to be fixedly connected with the left movable clamping block and the right movable clamping block.
2. The plug-in type electric meter jointing clamp according to claim 1, wherein the left and right movable clamping blocks are further respectively provided with a left embedding structure and a right embedding structure which can be embedded with each other, one of the left embedding structure and the right embedding structure is provided with a T-shaped block, and the other one is provided with a T-shaped groove matched with the T-shaped block.
3. The plug-in type electric meter jointing clamp according to claim 1, wherein the lower portions of the left and right movable clamping blocks are respectively provided with left and right guide rods, and the left and right springs are respectively sleeved outside the left and right guide rods.
4. The plug-in type electric meter jointing clamp according to claim 1, wherein anti-slip stripes are arranged in the left and right clamping wire grooves.
5. The plug-in type ammeter jointing clamp of claim 1, wherein 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 which is matched with the outer side of the non-return sawteeth of the movable chuck, one side of the anti-loosening non-return sawteeth block which is matched with the movable chuck is provided with non-return sawteeth which are non-return in the direction of the clamping end, the side is the inner side of the anti-loosening non-return sawteeth block, the opposite side is the outer side of the anti-loosening non-return sawteeth block, a pressure spring is arranged between the outer side of the anti-loosening non-return sawteeth block and the wire clamp body, and the anti-loosening non-return sawteeth block is pressed on the movable chuck through the pressure spring.
6. The plug-in type 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 and the non-return sawteeth of the movable chuck is arranged on one side of the anti-loosening and non-return sawtooth block close to the pressure spring.
7. The plug-in type 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 plug-in type electric meter binding clip according to claim 1, further comprising a falling prevention power supply device, wherein the falling prevention power supply device comprises a falling prevention binding post fixedly connected to the wire clamp body and a detachable falling prevention shell sleeved outside the falling prevention binding post.
9. The plug-in 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 flip cover for opening or closing the wire loading port, and a protective cap for protecting the adjusting bolt, one side of the flip cover is hinged with the housing body, the other side of the flip cover is detachably connected with the housing body, and the protective cap is detachably connected with the housing body.
10. The plug-in type ammeter jointing clamp of claim 9, wherein the anti-falling housing comprises two anti-falling split shells, the two anti-falling split shells are respectively arranged at two sides of the anti-falling terminal, one ends of the two anti-falling split shells are respectively hinged with the housing body, and the opposite sides of the two anti-falling split shells are detachably connected.
11. The plug-in type electric meter jointing clamp according to claim 10, wherein the anti-falling shell is further provided with a shifting plate and/or a pull ring respectively.
12. The plug-in type electric meter binding clip of claim 8, wherein the anti-backup binding post is threaded onto the clip body.
13. A plug-in meter terminal according to any one of claims 1 to 11, wherein the static clamp and/or the clamping end is of concave arcuate configuration or of bent configuration having at least two faces capable of contacting a cable.
14. The plug-in type electric meter jointing clamp according to any one of claims 1 to 11, further comprising a shield, wherein the shield is sleeved outside the first groove and is arranged in the insulating shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710259387.6A CN106972291B (en) | 2017-04-19 | 2017-04-19 | Plug-in type ammeter binding clip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710259387.6A CN106972291B (en) | 2017-04-19 | 2017-04-19 | Plug-in type ammeter binding clip |
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| CN106972291A CN106972291A (en) | 2017-07-21 |
| CN106972291B true CN106972291B (en) | 2022-11-29 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108100866B (en) * | 2017-12-18 | 2019-08-13 | 中国二冶集团有限公司 | A kind of locking rail pressing device |
| CN108847537A (en) * | 2018-08-23 | 2018-11-20 | 广州番禺电缆集团有限公司 | A kind of locking thread clamping mechanism |
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| CN106972291A (en) | 2017-07-21 |
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