CN117405955B - Split ammeter - Google Patents
Split ammeter Download PDFInfo
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- CN117405955B CN117405955B CN202311716967.5A CN202311716967A CN117405955B CN 117405955 B CN117405955 B CN 117405955B CN 202311716967 A CN202311716967 A CN 202311716967A CN 117405955 B CN117405955 B CN 117405955B
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- 230000000712 assembly Effects 0.000 claims abstract description 17
- 238000000429 assembly Methods 0.000 claims abstract description 17
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 239000004020 conductor Substances 0.000 claims abstract description 3
- 230000005611 electricity Effects 0.000 claims description 8
- 238000003780 insertion Methods 0.000 claims description 8
- 230000037431 insertion Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 230000009471 action Effects 0.000 description 8
- 230000008602 contraction Effects 0.000 description 8
- 238000000926 separation method Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/02—Constructional details
- G01R11/04—Housings; Supporting racks; Arrangements of terminals
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/02—Constructional details
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Abstract
The application discloses split type ammeter belongs to ammeter technical field. The electric meter mainly comprises an electric meter main body, wherein an inserting groove is formed in the electric meter main body; the wiring terminal is spliced in the splicing groove, and four groups of wiring holes are formed in the wiring terminal; the wiring sleeve is arranged in the wiring hole, one end of the wiring sleeve is provided with a wiring port, and the wiring sleeve is a conductor; a plurality of groups of first contacts mounted on the ammeter body; the two groups of sliding rods are connected in the wiring terminal in a sliding way, the two groups of sliding rods are symmetrically arranged, two groups of second contacts are respectively arranged on the two groups of sliding rods in a penetrating way, and the distance between the two groups of second contacts is matched with the distance between two adjacent groups of wiring sleeves; the two groups of sliding conduction assemblies are respectively arranged between the two groups of sliding rods and the inserting groove, and the sliding conduction assemblies are suitable for changing the positions of the corresponding sliding rods when the wiring terminals are inserted into the inserting grooves. The split type ammeter of this application reaches the effect of convenient dismouting change.
Description
Technical Field
The application relates to the technical field of electric meters, in particular to a split type electric meter.
Background
The electric meter is also called an electric energy meter or an electric meter for short, is an instrument for measuring electric energy, is widely used in places such as families, offices, factories and the like so as to calculate consumed electric quantity and electric charge, and periodically needs to be replaced in the daily use process of the electric meter, so that the normal use of the electric meter is ensured not to be influenced by other reasons such as aging and the like;
however, when the electric meter needs to be periodically replaced or the components inside the electric meter are damaged and need to be replaced, the power line needs to be disassembled to replace the new electric meter and then the electric meter is re-wired, the replacement process is complicated, and the power line is exposed outside after being disassembled in the replacement process, so that the split type electric meter is necessary to be provided for solving the problems.
It should be noted that the above information disclosed in this background section is only for understanding the background of the inventive concept and, therefore, it may contain information that does not constitute prior art.
Disclosure of Invention
Based on the problems in the prior art, the technical problems to be solved by the invention are as follows: the split ammeter achieves the effect of convenient disassembly and assembly and replacement.
The technical scheme adopted for solving the technical problems is as follows: a split ammeter comprises an ammeter main body, wherein an inserting groove is formed in the ammeter main body; the wiring terminal is spliced in the splicing groove, and four groups of wiring holes are formed in the wiring terminal; the wiring sleeve is arranged in the wiring hole, one end of the wiring sleeve is provided with a wiring port, the wiring port is used for installing a power line, and the wiring sleeve is a conductor; a plurality of sets of first contacts mounted on the meter body; the two groups of sliding rods are connected in the wiring terminal in a sliding way, the two groups of sliding rods are symmetrically arranged, two groups of second contacts are respectively arranged on the two groups of sliding rods in a penetrating way, and the distance between the two groups of second contacts is matched with the distance between two adjacent groups of wiring sleeves; the sliding conduction assemblies are respectively arranged between the two groups of sliding rods and the inserting grooves, and are suitable for changing the positions corresponding to the sliding rods when the wiring terminals are inserted into the inserting grooves; wherein: the depth of the wiring terminal inserted into the insertion groove is provided with a conducting position, and the first contact is suitable for being conducted with the wiring sleeve through the second contact when the wiring terminal reaches the conducting position;
each group of sliding conduction assemblies comprises a screw rod fixedly arranged at the separated end of each two groups of sliding rods, a bearing on the wiring end is connected with a gear, the gear is in threaded connection with the screw rods, and racks are fixedly arranged in the inserting grooves;
wherein: the gear is suitable for being meshed with the rack in the process of inserting the wiring end into the inserting groove, the screw rods in the two groups of sliding conduction assemblies are opposite in rotation direction, and the two groups of sliding rods are suitable for being in sliding separation or opposite direction with screw thread transmission through the gear when the gear is meshed with the rack for transmission;
each set of said sliding conduction assemblies further includes a coil spring mounted between said gear and said terminals, and both sets of said slide bars are adapted such that said second contact is in an untouched condition with said terminal sleeve when said coil spring is in a free condition.
Further, the wire connecting sleeve is in sliding connection with the wire connecting hole, a second spring is arranged between the wire connecting sleeve and the wire connecting end, the second spring is used for giving the force for the wire connecting sleeve to slide towards the sliding rod, two groups of protruding parts are arranged on one side, close to the wire connecting sleeve, of the two groups of sliding rods, and the distance between the two groups of protruding parts is matched with the distance between the two adjacent groups of wire connecting sleeves;
wherein: when the coil springs are in a free state, the two groups of sliding rods slide to a position where the protruding parts are in contact with the wiring sleeve.
Further, a limiting component is arranged between one end of each of the two groups of screws, which are separated from each other, and the inserting groove, and the limiting component is used for limiting the depth of the connecting end inserted into the inserting groove.
Further, every group limiting assembly is all including installing two sets of the shrink pole of screw rod one end that leaves, the shrink pole is kept away from the one end rotation of screw rod is connected with the pendulum rod, the pendulum rod is kept away from the one end of shrink pole is installed the locating lever, the pendulum rod with install two sets of fourth springs between the shrink pole, the fourth spring is used for limiting the rotation angle of pendulum rod, the side of jack groove has been seted up and has been supplied the gliding location slide of locating lever, be provided with first spacing, second spacing and third spacing in the location slide, first spacing with the third spacing is used for limiting the locating lever is to the direction slip of jack groove bottom, the second spacing is used for limiting the locating lever is to keeping away from the direction slip of the bottom of jack groove.
Further, the contraction rod is in sliding connection with the screw rod, a third spring is installed between the contraction rod and the screw rod, and the third spring is used for giving the force for enabling the contraction rod to slide away from the sliding rod.
Further, one end of the positioning rod, which is far away from the swinging rod, is provided with an arc chamfer.
Further, a first spring is mounted at the bottom of the socket and is used for giving force to the terminal away from the socket.
The beneficial effects of this application are: the application provides a split type ammeter through setting up the cooperation that slides and switch on subassembly and spacing subassembly for the wiring end can be convenient install and remove with the ammeter main part, and promotes the security performance of wiring end connection power cord, reduces the potential safety hazard.
In addition to the objects, features and advantages described above, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
FIG. 1 is an overall schematic diagram of a split-type electricity meter according to the present application;
FIG. 2 is a schematic diagram showing the split state of the electricity meter in FIG. 1;
FIG. 3 is a schematic cross-sectional view of the area A in FIG. 1;
FIG. 4 is an enlarged schematic view of area B of FIG. 3;
FIG. 5 is a schematic side view in partial cross-section of region C of FIG. 2;
FIG. 6 is an enlarged schematic view of area D of FIG. 5;
FIG. 7 is a schematic side cross-sectional view of the region E of FIG. 4;
FIG. 8 is a schematic side cross-sectional view of FIG. 4;
wherein, each reference sign in the figure:
1. an ammeter main body; 2. a terminal; 3. a pressing plate; 4. a wiring sleeve; 5. a plug-in groove; 6. a first spring; 7. a first contact; 8. a wiring hole; 9. a slide bar; 10. a second contact; 11. positioning a slideway; 12. a second spring; 13. a screw; 14. a rack; 15. a gear; 16. a coil spring; 17. a retracting lever; 18. a third spring; 19. swing rod; 20. a positioning rod; 21. a fourth spring; 22. a first limit; 23. a second limit; 24. and thirdly, limiting.
Detailed Description
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.
In order that those skilled in the art will better understand the present invention, a technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
As shown in fig. 1-2, the application provides a split-type electric meter, which comprises an electric meter main body 1, wherein an electric element for controlling the operation of the electric meter is fixedly arranged in the electric meter main body 1, a display screen and a control button are fixedly arranged on the surface of the electric meter main body 1, the display screen is used for displaying the state of the electric meter, and the control button is used for controlling the parameter adjustment of the electric meter;
the lower side of the ammeter main body 1 is provided with a plugging slot 5, the plugging opening direction of the plugging slot 5 faces the front display part of the ammeter main body 1, one side of the ammeter main body 1 close to the plugging slot 5 is fixedly provided with a plurality of groups of first contacts 7, and the first contacts 7 are electrically connected with electrical elements in the ammeter main body 1;
a wiring terminal 2 is arranged on one side of the ammeter main body 1, the appearance of the wiring terminal 2 is matched with that of the plugging groove 5, and the wiring terminal 2 can be downwards inserted from the plugging opening of the plugging groove 5, so that the ammeter main body 1 and the wiring terminal 2 are connected together;
as shown in fig. 3, four groups of wiring holes 8 are formed in the wiring terminal 2, wiring sleeves 4 are slidably connected in the four groups of wiring holes 8, wiring openings are formed in one ends of the wiring sleeves 4, two groups of bolts are connected to the wiring sleeves 4 in a threaded manner, and a power line is inserted into the wiring sleeves 4 from the wiring openings, and the two groups of bolts are screwed to tightly press the power line, so that the power line is connected and conducted with the wiring sleeves 4;
the wiring terminal 2 is connected with two groups of sliding rods 9 in a sliding manner, the two groups of sliding rods 9 are symmetrically arranged on two sides of the wiring terminal 2, the sliding rods 9 are positioned at one end far away from a wiring port of the wiring sleeve 4, the sliding direction of the sliding rods 9 is perpendicular to the axis of the wiring sleeve 4, two groups of second contacts 10 are respectively arranged on the two groups of sliding rods 9 in a penetrating manner, and the interval between the two groups of second contacts 10 is matched with the interval between two adjacent groups of wiring sleeves 4;
the wiring terminal 2 is fixedly provided with the pressing plate 3, the pressing plate 3 is positioned at one end of the wiring sleeve 4 close to the wiring opening, the pressing plate 3 is used for blocking the wiring sleeve 4 and preventing the wiring sleeve 4 from falling out of the wiring hole 8, two sides of the wiring sleeve 4 are fixedly provided with the convex blocks, two sides of the wiring hole 8 are also provided with guide grooves matched with the convex blocks, the wiring sleeve 4 cannot circumferentially rotate when sliding in the wiring hole 8 through the matching of the convex blocks and the guide grooves, a second spring 12 is fixedly arranged between one side, far away from the sliding rod 9, of the convex block on the wiring sleeve 4 and the pressing plate 3, the second spring 12 is placed in the guide grooves, and the second spring 12 is used for giving the wiring sleeve 4 a sliding force to the sliding rod 9 through the convex blocks, so that the end parts of two adjacent groups of wiring sleeves 4 at two sides of the wiring terminal 2 are always respectively contacted with the surfaces of two groups of the sliding rods 9 under the elastic force of the second spring 12;
the second contact 10 can slide to a position contacting the wiring sleeve 4 by controlling the sliding rod 9 to slide, and the first contact 7 is also positioned on the axis of the wiring sleeve 4, so that the second contact 10 contacts the first contact 7 at the same time when contacting the wiring sleeve 4, and the power line is connected and conducted with the first contact 7 at the same time, so that the electric meter main body 1 starts to be used normally.
In order to prevent the second contact 10 from being electrified to cause potential safety hazards when the wiring terminal 2 is not plugged into the plugging slot 5, the power line and the first contact 7 can be automatically connected and conducted after the wiring terminal 2 is plugged into the plugging slot 5, sliding conducting assemblies are respectively arranged between one ends of the two groups of sliding rods 9, which are separated from the plugging slot 5, namely the two groups of sliding conducting assemblies are positioned on two sides of the wiring terminal 2, and are suitable for changing the positions of the corresponding sliding rods 9 when the wiring terminal 2 is plugged into the plugging slot 5;
when the wiring terminal 2 is inserted into the insertion groove 5 to enable the wiring sleeve 4 to be connected and conducted with the first contact 7, setting the insertion depth as a conducting position, enabling the first contact 7 to be suitable for sliding to a position contacted with the wiring sleeve 4 under the action of the sliding conducting component when the wiring terminal 2 is inserted and moved to the conducting position, and enabling a power line arranged in the wiring sleeve 4 to be connected and conducted with the first contact 7;
as shown in fig. 3-5, each group of sliding conduction assemblies comprises a screw rod 13 fixedly installed at the separated end of two groups of sliding rods 9, a gear 15 is connected to a bearing on the wiring terminal 2, the gear 15 is in threaded connection with the screw rod 13, and a rack 14 is fixedly installed in the inserting groove 5;
the gear 15 is suitable for being meshed with the rack 14 in the process of inserting the wiring end 2 into the inserting groove 5, the screw rods 13 in the two groups of sliding conduction assemblies are opposite in rotation direction, and the two groups of sliding rods 9 are suitable for being in sliding separation or opposite direction through the screw thread transmission of the gear 15 and the screw rods 13 when the gear 15 is meshed with the rack 14 for transmission.
Each sliding conduction assembly further comprises a coil spring 16 arranged between the gear 15 and the wiring terminal 2, wherein the inner ring of the coil spring 16 is fixedly connected with the outer diameter of the gear 15, which is close to one end of the wiring terminal 2, a circular boss is fixedly arranged on the wiring terminal 2, the circular boss is coaxially arranged with the gear 15, and the outer ring of the coil spring 16 is fixedly connected with the inner ring of the circular boss, so that when the gear 15 rotates, the coil spring 16 performs rolling or unreeling action, and the two groups of slide bars 9 are suitable for being in a non-contact state with the second contact 10 and the wiring sleeve 4 when the coil spring 16 is in a free state;
when the wiring terminal 2 is not inserted into the inserting groove 5, the positions of the gears 15 in the sliding conduction assemblies at the two sides of the wiring terminal 2 are fixed under the influence of the elastic force of the coil springs 16, the ends of the two groups of sliding rods 9 in the wiring terminal 2 are positioned at the contact positions, and the second contact 10 cannot be contacted with the wiring sleeve 4, so that the damage to a human body caused by mistakenly touching the second contact 10 to electrify after the power line is installed in the wiring sleeve 4 is avoided;
when the wiring terminal 2 is inserted into the inserting groove 5, the gear 15 and the rack 14 enter a meshed state, with continuous insertion, the gears 15 on two sides of the wiring terminal 2 synchronously rotate under the meshing action of the rack 14, the coil springs 16 continuously shrink, the axial positions of the gears 15 on two sides are not changed, two sets of screws 13 which are in threaded connection with the gears 15 on two sides and are opposite in rotation direction are separated along the axial direction, the slide rod 9 also slides along with the screws 13 in a separated manner, so that the second contact 10 gradually approaches the wiring sleeve 4, and when the wiring terminal 2 is inserted to the depth of the conducting position, the second contact 10 slides to the position contacted with the wiring sleeve 4, so that a power wire arranged in the wiring sleeve 4 is connected and conducted with the first contact 7 through the second contact 10;
in order to prevent potential safety hazards caused by the fact that the copper core of the power line at the junction is exposed outside, two groups of protruding parts are fixedly arranged on one side of the sliding rod 9, which is close to the junction sleeve 4, the distance between the two groups of protruding parts is matched with the distance between the two adjacent groups of junction sleeves 4, and the two groups of protruding parts are in arc transition with the surface of the sliding rod 9;
when the wiring terminal 2 is not plugged into the plugging groove 5, one end of the wiring sleeve 4 close to the sliding rod 9 is positioned at a position contacted with the top end of the protruding part, at the moment, the wiring opening of the wiring sleeve 4 is positioned at a position close to the pressing plate 3, the second spring 12 is compressed and contracted, at the moment, the power line is conveniently and fixedly connected into the wiring sleeve 4, when the wiring terminal 2 is plugged into the conducting position in the plugging groove 5, the end part of the wiring sleeve 4 is gradually far away from the protruding part until being contacted and conducted with the second contact 10 on the surface of the sliding rod 9 along with the sliding of the sliding rod 9 in the plugging process, at the moment, the wiring sleeve 4 is also influenced by the elastic force of the second spring 12, and the distance from the top end of the protruding part to the surface of the sliding rod 9 is moved towards the direction far away from the pressing plate 3, so that the power line part can be retracted into the wiring sleeve 4, and the copper core of the power line is prevented from being exposed.
As shown in fig. 5-7, in order to facilitate the disassembly and assembly of the pair of terminals 2 and the depth control of the insertion into the insertion slot 5, a limit component is installed between the separated ends of the two sets of screws 13 and the insertion slot 5;
each group of limiting components comprises a shrinkage rod 17, the shrinkage rod 17 is of a hexagonal rod structure, one end of the screw rod 13 far away from the sliding rod 9 is internally provided with a hexagonal groove matched with the shrinkage rod 17, when the shrinkage rod 17 is inserted into the hexagonal groove, the shrinkage rod can slide along the axial direction of the screw rod 13 and cannot circumferentially rotate, a third spring 18 is placed inside the hexagonal groove, one end of the third spring 18 is fixedly connected with the end part inside the hexagonal groove, and the other end of the third spring 18 is fixedly connected with the end part of the shrinkage rod 17 in the hexagonal groove, so that the third spring 18 can give the shrinkage rod 17 a sliding force far away from the sliding rod 9;
as shown in fig. 6, one end of the contraction rod 17 away from the screw rod 13 is rotationally connected with a swing rod 19, two groups of fourth springs 21 are installed between the swing rod 19 and the contraction rod 17, and the fourth springs 21 are used for limiting the rotation angle of the swing rod 19, so that the swing rod 19 is in a vertically downward state under the action of the elasticity of the fourth springs 21 at two sides under the action of no external force, when the swing rod is rotated under the action of the external force, the fourth springs 21 at one side of the rotation direction are contracted, the fourth springs 21 at the other side are stretched, and the swing rod 19 is always provided with a force rotating in the vertical direction under the action of the elasticity of the fourth springs 21 at two sides under the state;
a positioning rod 20 is fixedly arranged at the lower end of one side of the swing rod 19 away from the contraction rod 17, a positioning slide way 11 (refer to fig. 2) for sliding the positioning rod 20 is arranged at the side edge of the inserting groove 5, when the wiring terminal 2 is inserted into the inserting groove 5, the contraction rod 17 is enabled to drive the end part of the positioning rod 20 on the swing rod 19 to be always abutted in the positioning slide way 11 under the action of a third spring 18, and along with the separation movement of the two groups of screw rods 13, the contraction rod 17 also gradually slides towards the inside of the screw rods 13, and the third spring 18 is stressed to contract;
the end of the positioning rod 20 far away from the swing rod 19 is provided with an arc chamfer, namely, the end of the arc chamfer of the positioning rod 20 is contacted with the positioning slideway 11, so that the sliding smoothness of the positioning rod 20 is improved, and the abrasion is reduced;
as shown in fig. 7 to 8, a first limit 22, a second limit 23 and a third limit 24 are provided in the positioning slide 11, the first limit 22, the second limit 23 and the third limit 24 are limit positions (refer to fig. 7) for limiting the sliding of the positioning rod 20 in the vertical direction of the positioning slide 11, the first limit 22 and the third limit 24 are used for limiting the sliding of the positioning rod 20, thereby limiting the sliding of the terminal 2 in the direction close to the bottom of the inserting groove 5, and the second limit 23 is used for limiting the sliding of the positioning rod 20, thereby limiting the sliding of the terminal 2 in the direction far away from the bottom of the inserting groove 5;
when the wiring terminal 2 is inserted into the inserting groove 5, the positioning rod 20 enters from the upper end of the positioning slide rail 11, an entrance slide rail is arranged near the upper end of the positioning slide rail 11, and the direction of the entrance slide rail is consistent with the direction of the swing rod 19, so that the angle position of the swing rod 19 cannot be changed when the positioning rod 20 slides in the entrance slide rail;
the first limit 22, the second limit 23 and the third limit 24 are all positioned at the left side of the entrance slideway, the vertical distance between the first limit 22 and the extension line of the entrance slideway is larger than the vertical distance between the second limit 23 and the extension line of the entrance slideway, the vertical distance between the second limit 23 and the extension line of the entrance slideway is larger than the vertical distance between the third limit 24 and the extension line of the entrance slideway, the positioning rod 20 enters from the entrance slideway and sequentially passes through the first limit 22, the second limit 23 and the third limit 24, finally slides into the entrance slideway from the right side of the entrance slideway and moves out from the positioning slideway 11, and the movement path of the positioning rod 20 in the positioning slideway 11 is the process of inserting the wiring terminal 2 into the inserting groove 5 and moving out;
as shown in fig. 2 and 7, the bottom of the socket 5 is provided with a first spring 6, and the first spring 6 is used for giving a force to the terminal 2 away from the bottom of the socket 5;
when the wiring terminal 2 is manually pressed to slide to the bottom of the plugging groove 5, the positioning rod 20 moves from the inlet slideway to the first limit 22, the swing rod 19 is influenced by the sliding path of the positioning rod 20 in the positioning slideway 11 to rotate leftwards, when the wiring terminal 2 is continuously pressed to enable the positioning rod 20 to slide to the first limit 22, the positioning rod 20 is blocked by the first limit 22, the wiring terminal 2 cannot be continuously pressed down, at the moment, the first spring 6 is also in a contracted state under the influence of the pressure of the wiring terminal 2, the wiring terminal 2 is loosened, the wiring terminal 2 is influenced by the elastic force of the first spring 6 to slide in a direction away from the bottom of the plugging groove 5, meanwhile, the swing rod 19 is also influenced by the elastic force of the fourth spring 21 to rotate in a vertical direction, the positioning rod 20 is finally blocked to a second limit 23, the wiring terminal 2 is fixed in position under the elastic force of the first spring 6 and the blocking effect of the second limit 23 on the positioning rod 20, at the moment, the wiring terminal 2 is in a conducting position of the plugging depth of the plugging groove 5, and the ammeter can be normally used;
when the ammeter main body 1 needs to be detached and replaced, the wiring terminal 2 can be manually pressed again, so that the positioning rod 20 slides towards the third limit 24, when the positioning rod 20 slides to the third limit 24, the wiring terminal 2 cannot be pressed down again, the wiring terminal 2 is loosened at the moment, the wiring terminal 2 can slide towards the direction away from the bottom of the inserting groove 5 under the influence of the elastic force of the first spring 6, meanwhile, the swing rod 19 also rotates towards the vertical direction under the effect of the elastic force of the fourth spring 21, the wiring terminal 2 can be pulled out of the inserting groove 5 directly by manual operation again, and the positioning rod 20 can slide into the inlet slide way from the third limit 24 and slide out of the positioning slide way 11 to finish the connection and the disconnection of the wiring terminal 2.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A split type ammeter, its characterized in that: comprising the following steps:
an ammeter main body (1), wherein an inserting groove (5) is arranged on the ammeter main body (1);
the wiring terminal (2) is inserted into the insertion groove (5), and four groups of wiring holes (8) are formed in the wiring terminal (2);
the wiring sleeve (4) is arranged in the wiring hole (8), one end of the wiring sleeve (4) is provided with a wiring port, the wiring port is used for installing a power line, and the wiring sleeve (4) is a conductor;
a plurality of groups of first contacts (7) mounted on the meter body (1);
the two groups of sliding rods (9) are connected in the wiring terminal (2) in a sliding way, the two groups of sliding rods (9) are symmetrically arranged, two groups of second contacts (10) are respectively arranged on the two groups of sliding rods (9) in a penetrating way, and the distance between the two groups of second contacts (10) is matched with the distance between the two adjacent groups of wiring sleeves (4);
the two groups of sliding conduction assemblies are respectively arranged between the two groups of sliding rods (9) and the inserting grooves (5), and the sliding conduction assemblies are suitable for changing the positions corresponding to the sliding rods (9) when the wiring terminals (2) are inserted into the inserting grooves (5);
wherein: the depth of the wiring terminal (2) inserted into the inserting groove (5) is provided with a conducting position, and the first contact (7) is suitable for being conducted with the wiring sleeve (4) through the second contact (10) when the wiring terminal (2) reaches the conducting position;
each group of sliding conduction assemblies comprises a screw rod (13) fixedly installed at the separated end of each two groups of sliding rods (9), a gear (15) is connected to the upper bearing of each wiring end (2), the gear (15) is in threaded connection with each screw rod (13), and a rack (14) is fixedly installed in each inserting groove (5);
wherein: the gear (15) is suitable for being meshed with the rack (14) in the process of inserting the wiring end (2) into the inserting groove (5), the screw rods (13) in the two groups of sliding conduction assemblies are oppositely rotated, and the two groups of sliding rods (9) are suitable for sliding in a way that the gear (15) and the screw rods (13) are separated or opposite in a way of screw transmission when the gear (15) and the rack (14) are meshed for transmission;
each set of sliding conduction assemblies further comprises a coil spring (16) arranged between the gear (15) and the wiring terminal (2), and the two sets of sliding rods (9) are suitable for being in a non-contact state with the wiring sleeve (4) when the coil springs (16) are in a free state.
2. A split-type electricity meter according to claim 1, wherein: the wiring sleeve (4) is in sliding connection with the wiring hole (8), a second spring (12) is arranged between the wiring sleeve (4) and the wiring end (2), the second spring (12) is used for giving the sliding force of the wiring sleeve (4) to the sliding rod (9), two groups of protruding parts are arranged on one side, close to the wiring sleeve (4), of the sliding rod (9), and the distance between the two groups of protruding parts is matched with the distance between the two adjacent groups of wiring sleeves (4);
wherein: when the coil springs (16) are in a free state, the two groups of sliding rods (9) slide to a position where the protruding parts are in contact with the wire connecting sleeve (4).
3. A split-type electricity meter according to claim 2, wherein: and limiting assemblies are arranged between one ends of the two groups of screws (13) which are separated from each other and the inserting grooves (5), and are used for limiting the depth of the connecting end (2) inserted into the inserting grooves (5).
4. A split-type electricity meter according to claim 3, wherein: every group limiting assembly is all including installing two sets of shrinkage pole (17) of screw rod (13) one end that leaves, shrinkage pole (17) are kept away from the one end rotation of screw rod (13) is connected with pendulum rod (19), pendulum rod (19) are kept away from one end of shrinkage pole (17) is installed locating lever (20), pendulum rod (19) with install two sets of fourth springs (21) between shrinkage pole (17), fourth springs (21) are used for limiting rotation angle of pendulum rod (19), the side of spliced groove (5) has seted up supplies locating slide (11) of locating lever (20) gliding, be provided with first spacing (22), second spacing (23) and third spacing (24) in locating slide (11), first spacing (22) with third spacing (24) are used for the restriction locating lever (20) to the direction of spliced groove (5) bottom slip is kept away from to locating lever (20).
5. A split-type electricity meter according to claim 4, wherein: the shrinkage rod (17) is in sliding connection with the screw rod (13), a third spring (18) is arranged between the shrinkage rod (17) and the screw rod (13), and the third spring (18) is used for giving the shrinkage rod (17) a sliding force away from the sliding rod (9).
6. A split-type electricity meter according to claim 5, wherein: one end of the positioning rod (20) far away from the swinging rod (19) is provided with an arc chamfer.
7. A split-type electricity meter according to claim 6, wherein: a first spring (6) is arranged at the bottom of the inserting groove (5), and the first spring (6) is used for giving force for the wiring terminal (2) away from the inserting groove (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN115825516A (en) * | 2023-02-20 | 2023-03-21 | 江苏华鹏智能仪表科技股份有限公司 | Ammeter with high safety |
| CN116106604A (en) * | 2023-03-03 | 2023-05-12 | 武汉盛帆电子股份有限公司 | Split plug-in mounting electric energy meter |
| CN117092389A (en) * | 2023-10-20 | 2023-11-21 | 江苏丽阳电子仪表有限公司 | Ammeter convenient to wiring |
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| WO2015113650A1 (en) * | 2014-01-29 | 2015-08-06 | Wago Verwaltungsgesellschaft Mbh | Electricity meter connection system and bridging and dummy plug for said system |
| CN205562637U (en) * | 2016-04-18 | 2016-09-07 | 宝雨控股有限公司 | Split type binding post's ammeter |
| WO2018032711A1 (en) * | 2016-08-16 | 2018-02-22 | 宁波三星医疗电气股份有限公司 | Combination type terminal box structure |
| WO2018229939A1 (en) * | 2017-06-15 | 2018-12-20 | 三菱電機株式会社 | Watthour meter |
| JP2022008753A (en) * | 2019-07-25 | 2022-01-14 | 楽 康 | Connection structure of electric power source line connector interface |
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| CN117092389A (en) * | 2023-10-20 | 2023-11-21 | 江苏丽阳电子仪表有限公司 | Ammeter convenient to wiring |
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| CN117405955A (en) | 2024-01-16 |
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