CN215493772U

CN215493772U - Three-phase multifunctional digital electric meter

Info

Publication number: CN215493772U
Application number: CN202121725154.9U
Authority: CN
Inventors: 张国强
Original assignee: Shandong Dongheng Electric Power Technology Co ltd
Current assignee: Shandong Dongheng Electric Power Technology Co ltd
Priority date: 2021-07-28
Filing date: 2021-07-28
Publication date: 2022-01-11
Anticipated expiration: 2031-07-28

Abstract

The utility model discloses a three-phase multifunctional digital electric meter which comprises an electric meter body, a terminal groove formed in the electric meter body and a terminal cover hinged in the terminal groove, wherein a plurality of wiring grooves are formed in the inner surface of the terminal groove, a fixed shaft, a movable sleeve and a pressing plate are arranged in the wiring grooves, the fixed shaft is fixed in the wiring grooves, the movable sleeve is rotatably sleeved on the fixed shaft and fixedly connected with one end of the pressing plate, and the other end of the pressing plate is fixed in the wiring grooves through a connecting assembly. This three-phase multifunctional digital ammeter is through setting up the pressure strip to utilize fixed axle and movable sleeve's cooperation to realize the articulated installation of pressure strip, the effect of deuterogamy coupling assembling for people only need press the pressure strip can compress tightly the stub to the conducting block, simplified the dismouting operation of stub, improved the dismouting efficiency of reality, and simple structure is fit for extensively promoting and using.

Description

Three-phase multifunctional digital electric meter

Technical Field

The utility model relates to the technical field of three-phase electric meters, in particular to a three-phase multifunctional digital electric meter.

Background

The three-phase ammeter is the general name of electrical apparatus instrument for measuring voltage, electric current etc. have important effect in the in-service use, and along with the development of technique, present three-phase ammeter can carry out digital demonstration through the display to data such as voltage, electric current, and the result of use is better.

However, the current three-phase electric meter mainly utilizes bolt rotation to compress the wire end on the conducting block to realize electric connection in the wiring process, the dismounting operation steps of the mode are complex, an external tool is needed, and the dismounting efficiency is low.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a three-phase multifunctional digital ammeter, which solves the problems that the conventional three-phase ammeter is electrically connected by mainly utilizing the rotation of a bolt to tightly press a wire end on a conductive block in the wiring process, the dismounting operation steps of the mode are complicated, an external tool is required, and the dismounting efficiency is low.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a multi-functional digital ammeter of three-phase, includes the ammeter body, sets up the terminal groove on the ammeter body and articulates the terminal lid in terminal inslot portion, a plurality of wiring grooves have been seted up to the internal surface in terminal groove, the inside in wiring groove is provided with fixed axle, movable sleeve and pressure strip, the inside at wiring groove is fixed to the fixed axle, movable sleeve rotates and cup joints on the fixed axle, and the one end fixed connection of movable sleeve and pressure strip, the other end of pressure strip passes through coupling assembling to be fixed in the inside in wiring groove, a side of pressure strip is fixed with a plurality of risers, and the riser is located the inside in wiring groove, the internal fixed surface in wiring groove has the conducting block, and a side that the conducting block is close to the riser is provided with anti-skidding line.

By adopting the scheme, the pressing plate is arranged, the hinged installation of the pressing plate is realized by the cooperation of the fixed shaft and the movable sleeve, and the effect of the connecting component is matched, so that people only need to press the pressing plate to press the thread end to the conductive block, the dismounting operation of the thread end is simplified, the actual dismounting efficiency is improved, the structure is simple, and the wire pressing device is suitable for wide popularization and use.

Preferably, coupling assembling includes two spring leafs, two the spring leaf is all fixed on the pressure strip, the spring leaf is kept away from a side of pressure strip and is fixed with the location arch, the internal surface in wiring groove seted up with the protruding assorted constant head tank in location.

Adopt above-mentioned scheme, through setting up coupling assembling, utilize the elasticity that produces behind the spring leaf atress to compress tightly the inside at the constant head tank with the location arch to the realization is to the injecing of pressure strip position, has made things convenient for people's actual operation.

Preferably, both sides of the opening position of the wiring groove are provided with grooves, and one end of the spring piece extends to the inside of the groove and is fixedly connected with a pushing block.

Adopt above-mentioned scheme, through setting up the recess and promoting the piece for people promote two to the centre and promote the piece and can release the constant head tank with the location arch, have made things convenient for actual dismantlement operation.

Preferably, the riser is close to the one end both sides of conducting block and all is fixed with the side shield, and is same be formed with between two side shields on the riser and accomodate the groove, the inside of accomodating the groove can be pegged graft to the conducting block.

By adopting the scheme, the two side baffles are arranged, so that the phenomenon that the thread end slides out of the two sides of the conductive block can be effectively prevented, the thread end is ensured to be in full contact with the conductive block, and the conductive effect is good.

Preferably, a plurality of dispersing teeth are fixed to one end, close to the conductive block, of the vertical plate, the dispersing teeth are located between the two side baffles, and the cross section of each dispersing tooth is in an acute triangle shape.

Adopt above-mentioned scheme, through setting up the dispersion tooth to design into acute angle triangle-shaped structure with it, thereby just can disperse the multiunit copper wire of end of a thread department, be favorable to increasing the area of contact between end of a thread and the conducting block, can increase the frictional force between riser and the end of a thread simultaneously, prevent that the condition that the end of a thread drops from taking place.

Preferably, the fixed surface of terminal cover installs the receiver, and the inside of receiver is provided with the moisture absorption piece, a plurality of apertures have been seted up on the surface of receiver, the moisture absorption piece specifically is the drier granule.

Adopt above-mentioned scheme, through setting up receiver and moisture absorption spare, can carry out the effective absorption to the moisture in enclosing into the space by terminal groove and terminal cover, avoid appearing contact failure's phenomenon because of the end of a thread oxidation and take place.

Compared with the prior art, the utility model has the beneficial effects that:

according to the three-phase multifunctional digital electric meter, the pressing plate is arranged, the pressing plate is hinged and installed by utilizing the matching of the fixed shaft and the movable sleeve, and then the effect of the connecting component is matched, so that a wire end can be pressed onto the conducting block by pressing the pressing plate, the disassembly and assembly operation of the wire end is simplified, the actual disassembly and assembly efficiency is improved, the structure is simple, and the three-phase multifunctional digital electric meter is suitable for wide popularization and use;

according to the three-phase multifunctional digital electric meter, the two side baffles are arranged, so that the phenomenon that the wire end slides out from the two sides of the conductive block can be effectively prevented, the wire end is ensured to be in full contact with the conductive block, and the conductive effect is good;

this multi-functional digital ammeter of three-phase through setting up receiver and moisture absorption spare, can carry out the effective absorption to the moisture in enclosing into the space by terminal groove and terminal cover, avoids appearing contact failure's phenomenon because of the end of a thread oxidation and takes place.

Drawings

FIG. 1 is an overall block diagram of the present invention;

FIG. 2 is a block diagram of the hold-down plate of the present invention;

FIG. 3 is a cross-sectional view of the wiring trough of the present invention;

fig. 4 is a cross-sectional view of the terminal cover of the present invention.

In the figure: 1. an electricity meter body; 2. a terminal groove; 3. a terminal cover; 4. a wiring slot; 5. a fixed shaft; 6. an active cannula; 7. a compression plate; 8. a vertical plate; 9. a conductive block; 10. a side dam; 11. a receiving groove; 12. dispersing teeth; 13. a spring plate; 14. positioning the projection; 15. positioning a groove; 16. a groove; 17. a pushing block; 18. a storage box; 19. a moisture absorbing member.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a three-phase multifunctional digital electric meter comprises an electric meter body 1, a terminal groove 2 formed in the electric meter body 1 and a terminal cover 3 hinged inside the terminal groove 2, wherein a plurality of wiring grooves 4 are formed in the inner surface of the terminal groove 2, a fixed shaft 5, a movable sleeve 6 and a pressing plate 7 are arranged inside the wiring grooves 4, the fixed shaft 5 is fixed inside the wiring grooves 4, the movable sleeve 6 is rotatably sleeved on the fixed shaft 5, the movable sleeve 6 is fixedly connected with one end of the pressing plate 7, the other end of the pressing plate 7 is fixed inside the wiring grooves 4 through a connecting assembly, a plurality of vertical plates 8 are fixed on one side surface of the pressing plate 7, the vertical plates 8 are located inside the wiring grooves 4, a conductive block 9 is fixed on the inner surface of the wiring grooves 4, and anti-slip patterns are arranged on one side surface, close to the vertical plates 8, of the conductive block 9; through setting up pressure strip 7 to utilize the cooperation of fixed axle 5 and movable sleeve 6 to realize the articulated installation of pressure strip 7, cooperate coupling assembling's effect again, make people only need press pressure strip 7 can compress tightly the stub to conducting block 9 on, simplified the dismouting operation of stub, improved the dismouting efficiency of reality, and simple structure is fit for extensively promoting and using.

The connecting assembly comprises two spring pieces 13, the two spring pieces 13 are fixed on the compression plate 7, a positioning bulge 14 is fixed on one side surface of each spring piece 13, which is far away from the compression plate 7, and a positioning groove 15 matched with the positioning bulge 14 is formed in the inner surface of the wiring groove 4; through setting up coupling assembling, utilize the elasticity that produces behind the atress of spring leaf 13 to compress tightly location arch 14 in the inside of constant head tank 15 to realize the injecing to pressure strip 7 position, made things convenient for people's actual operation.

Two sides of the opening position of the wiring groove 4 are both provided with grooves 16, and one end of the spring piece 13 extends into the grooves 16 and is fixedly connected with a pushing block 17; through the arrangement of the groove 16 and the pushing block 17, people can push the positioning protrusion 14 out of the positioning groove 15 by pushing the two pushing blocks 17 towards the middle, and the actual disassembly operation is facilitated.

Side baffles 10 are fixed on both sides of one end of the vertical plate 8 close to the conductive block 9, a containing groove 11 is formed between the two side baffles 10 on the same vertical plate 8, and the conductive block 9 can be inserted into the containing groove 11; through setting up two side shield 10, can effectually prevent that the phenomenon of stub from the conducting block 9 both sides roll-off from taking place, guaranteed stub and conducting block 9's abundant contact, electrically conductive effectual.

A plurality of dispersing teeth 12 are fixed at one end of the vertical plate 8 close to the conductive block 9, the dispersing teeth 12 are all positioned between the two side baffles 10, and the cross section of each dispersing tooth 12 is in an acute triangle shape; through setting up dispersion tooth 12 to design into acute angle triangle-shaped structure with it, thereby just can disperse the multiunit copper wire of end of a thread department, be favorable to increasing area of contact between end of a thread and the conducting block 9, can increase the frictional force between riser 8 and the end of a thread simultaneously, prevent that the condition that the end of a thread drops from taking place.

A storage box 18 is fixedly arranged on the inner surface of the terminal cover 3, a moisture absorption piece 19 is arranged inside the storage box 18, a plurality of small holes are formed in the surface of the storage box 18, and the moisture absorption piece 19 is specifically desiccant particles; through setting up receiver 18 and moisture absorption 19, can carry out the effective absorption to the moisture in the space that is enclosed by terminal groove 2 and terminal cover 3, avoid appearing contact failure's phenomenon because of the end of a thread oxidation and take place.

To sum up, when the three-phase multifunctional digital electric meter needs to perform wiring, the terminal cover 3 is firstly opened, then the two pushing blocks 17 are pushed and pushed towards the middle until the positioning protrusions 14 are pushed out of the positioning grooves 15, then the pressing plate 7 is rotated under the action that the movable sleeve 6 can rotate on the fixed shaft 5 to expose the wiring grooves 4, then the copper wire parts at the wire ends are abutted against the conductive blocks 9, and then the pressing plate 7 is driven to restore to the initial position after the wiring is completed, namely the pressing plate 7 covers the opening position of the wiring grooves 4, the positioning protrusions 14 are tightly clamped inside the positioning grooves 15, and meanwhile the pushing blocks 17 are located inside the grooves 16, so that on one hand, due to the existence of the two side baffles 10, the phenomenon that the wire ends slide out from the two sides of the conductive blocks 9 can be effectively prevented, the wire ends are ensured to be fully contacted with the conductive blocks 9, on the other hand, the dispersing teeth 12 can disperse multiple groups of copper wires at the wire ends, the contact area between the end of a thread and the conducting block 9 is increased, the friction force between the vertical plate 8 and the end of a thread can be increased, the situation that the end of a thread falls off is prevented, then the terminal cover 3 is closed, and then the moisture absorbing piece 19 can effectively absorb moisture in a space enclosed by the terminal groove 2 and the terminal cover 3, so that the phenomenon of poor contact caused by the oxidation of the end of a thread is avoided.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A three-phase multifunctional digital electric meter is characterized by comprising an electric meter body (1), a terminal groove (2) formed in the electric meter body (1) and a terminal cover (3) hinged inside the terminal groove (2), wherein a plurality of wiring grooves (4) are formed in the inner surface of the terminal groove (2), and a fixed shaft (5), a movable sleeve (6) and a pressing plate (7) are arranged inside the wiring grooves (4);

the fixed shaft (5) is fixed inside the wiring groove (4), the movable sleeve (6) is rotatably sleeved on the fixed shaft (5), the movable sleeve (6) is fixedly connected with one end of the pressing plate (7), and the other end of the pressing plate (7) is fixed inside the wiring groove (4) through a connecting assembly;

a side of pressure strip (7) is fixed with a plurality of risers (8), and riser (8) are located the inside of wiring groove (4), the internal surface mounting of wiring groove (4) has conducting block (9), and a side that conducting block (9) are close to riser (8) is provided with anti-skidding line.

2. The digital ammeter with three phases and multiple functions as claimed in claim 1, wherein said connecting assembly comprises two spring strips (13), both of said spring strips (13) are fixed on the pressing plate (7), a positioning protrusion (14) is fixed on one side of said spring strips (13) far from the pressing plate (7), and a positioning groove (15) matching with the positioning protrusion (14) is formed on the inner surface of said wiring groove (4).

3. The digital ammeter with three phases and multiple functions as claimed in claim 2, wherein said wiring groove (4) is opened with a groove (16) on both sides of its opening position, and one end of said spring plate (13) is extended into the groove (16) and is fixedly connected with a push block (17).

4. The multifunctional digital three-phase electric meter according to claim 1, characterized in that side baffles (10) are fixed on both sides of one end of the vertical plate (8) close to the conductive block (9), a receiving groove (11) is formed between the two side baffles (10) on the same vertical plate (8), and the conductive block (9) can be inserted into the receiving groove (11).

5. The multifunctional digital three-phase electric meter according to claim 4, characterized in that a plurality of dispersing teeth (12) are fixed to one end of the vertical plate (8) close to the conductive block (9), the dispersing teeth (12) are located between the two side baffles (10), and the cross-sectional shape of the dispersing teeth (12) is an acute triangle.

6. The multifunctional digital three-phase electric meter according to claim 1, characterized in that a storage box (18) is fixedly mounted on the inner surface of the terminal cover (3), a moisture absorbing member (19) is disposed inside the storage box (18), a plurality of small holes are formed on the surface of the storage box (18), and the moisture absorbing member (19) is specifically a desiccant pellet.