CN211295018U

CN211295018U - Ceramic fuse of electric control cabinet

Info

Publication number: CN211295018U
Application number: CN201922480213.XU
Authority: CN
Inventors: 雷自高
Original assignee: Suzhou Yueyang Electric Co ltd
Current assignee: Suzhou Yueyang Electric Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-08-18
Anticipated expiration: 2029-12-31

Abstract

The utility model relates to a porcelain matter fuse technical field just discloses an automatically controlled cabinet porcelain matter fuse, including porcelain matter seat, porcelain matter lid, the intercommunication has the fixed orifices between porcelain matter seat and the porcelain matter lid, the mounting groove has been seted up to the top surface of porcelain matter seat, the cross slot has been seted up to the inside of porcelain matter seat, the internal surface fixed cover of cross slot has cup jointed the static contact, the lagging has been cup jointed in the outside activity of static contact, the bottom surface fixedly connected with spring of lagging. This automatically controlled cabinet porcelain matter fuse, cup joint the lagging through the outside at the static contact, and at the bottom surface fixed connection spring of lagging, the lower extreme of spring is connected with the bottom surface of porcelain matter seat mounting groove, insert lagging upper portion with the electric wire head via the operation window during use, utilize the bolt that porcelain matter seat bottom surface screw thread cup jointed, the bolt of screwing makes the bolt upwards push up and moves the lagging and compress tightly the electric wire on the lagging top surface, screw end rotary wear electric wire head has been avoided, long when the extension is connected, avoid the off-line, excellent in use effect.

Description

Ceramic fuse of electric control cabinet

Technical Field

The utility model relates to a porcelain matter fuse technical field specifically is an automatically controlled cabinet porcelain matter fuse.

Background

A fuse (fuse) is an electric device that fuses a fuse body by heat generated by itself when a current exceeds a predetermined value, thereby breaking an electric circuit. The fuse melts the melt by the heat generated by the fuse after the current exceeds a specified value for a period of time, so as to cut off the circuit; a current protector is made by applying the principle.

Current electric cabinet porcelain matter fuse in the use, adopts the mode of screw up to link to each other electric wire and static contact usually, because the electric wire is mostly the copper wire, the texture is soft, screws up the in-process at the screw, can press from both sides the broken wire gradually for the wiring position is unstable, takes place to take off the line easily, and the result of use is poor.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides an automatically controlled cabinet porcelain matter fuse possesses the advantage of avoiding damaging connecting wire and avoiding frequently dismantling porcelain matter lid, has solved the problem of mentioning among the above-mentioned background art.

The utility model provides a following technical scheme: the utility model provides an automatically controlled cabinet porcelain matter fuse, includes porcelain matter seat, porcelain matter lid, the intercommunication has the fixed orifices between porcelain matter seat and the porcelain matter lid, the mounting groove has been seted up to the top surface of porcelain matter seat, the cross slot has been seted up to the inside of porcelain matter seat, the fixed internal surface cover of cross slot has cup jointed the static contact, the lagging has been cup jointed in the outside activity of static contact, the bottom surface fixedly connected with spring of lagging, the bottom and porcelain matter seat fixed connection of spring, the shoulder hole has been seted up to the bottom surface of porcelain matter seat, the internal surface screw thread in shoulder hole has cup jointed the bolt, the top of bolt is passed the bottom of porcelain matter seat and is extended to the inside of mounting groove.

Preferably, the shape of the static contact is W-shaped, and the shape of the sleeve plate is adapted to the shape of the static contact.

Preferably, the number of the springs is four, every two springs are divided into a front group and a rear group, and the two springs are located in the middle of the bottom surface of the sleeve plate.

Preferably, the shape and size of the operation window are smaller than the cross-sectional size of the installation groove, and the bottom surface of the operation window is located at the upper part of the bottom surface of the installation groove.

Preferably, the number of the fixing holes is two, and the two fixing holes are respectively positioned at the opposite corners of the porcelain cover.

Preferably, the bottom surface of the porcelain cover is fixedly provided with a movable contact piece, and the movable contact piece is movably clamped with the static contact piece.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this automatically controlled cabinet porcelain matter fuse, cup joint the lagging through the outside at the static contact, and at the bottom surface fixed connection spring of lagging, the lower extreme of spring is connected with the bottom surface of porcelain matter seat mounting groove, insert lagging upper portion with the electric wire head via the operation window during use, utilize the bolt that porcelain matter seat bottom surface screw thread cup jointed, the bolt of screwing makes the bolt upwards push up and moves the lagging and compress tightly the electric wire on the lagging top surface, screw end rotary wear electric wire head has been avoided, long when the extension is connected, avoid the off-line, excellent in use effect.

2. This automatically controlled cabinet porcelain matter fuse compresses tightly the mode of electric wire through the lower part, has avoided wiring at every turn and the step that the porcelain matter lid need be torn open to the stitches, has simplified operating procedure, has avoided frequently dismantling the fuse-link that the porcelain matter lid brought and has damaged, and it is convenient to use.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

FIG. 4 is a schematic top view of the porcelain seat of the present invention;

fig. 5 is an explosion diagram between the static contact and the sleeve plate of the present invention.

In the figure: 1. a porcelain base; 2. a porcelain cover; 3. a fixing hole; 4. mounting grooves; 5. a transverse groove; 6. a static contact piece; 7. sheathing; 8. a spring; 9. a stepped hole; 10. a bolt; 11. a movable contact spring; 12. and operating the window.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-5, a porcelain fuse of an electric control cabinet, comprising a porcelain base 1 and a porcelain cover 2, wherein a fixing hole 3 is communicated between the porcelain base 1 and the porcelain cover 2, a mounting groove 4 is formed on the top surface of the porcelain base 1, a transverse groove 5 is formed in the porcelain base 1, a static contact 6 is sleeved on the inner surface of the transverse groove 5, a sleeve plate 7 is sleeved on the outer part of the static contact 6, a spring 8 is fixedly connected to the bottom surface of the sleeve plate 7, the bottom end of the spring 8 is fixedly connected with the porcelain base 1, a stepped hole 9 is formed in the bottom surface of the porcelain base 1, a bolt 10 is sleeved on the inner surface thread of the stepped hole 9, and the top end of the bolt 10 penetrates through the bottom of the porcelain base 1 and extends to the inside of the mounting groove 4.

Further, the shape of static contact 6 is "W" type, and the shape adaptation of lagging 7 is the shape of static contact 6, and specific lagging 7 top surface both sides have the rectangular hole to be used for cup jointing, and the middle part is solid to be used for connecting spring 8, guarantees to adapt to the shape of static contact 6.

Further, spring 8's quantity is four, and four spring 8 are two sets of around being divided into for a set of altogether for every two, and two sets of spring 8 all are located the middle part of lagging 7 bottom surfaces, and when spring 8 was used for dismantling the electric wire, make lagging 7 can reset downwards, increase the simple operation nature.

Further, the shape and size of the operation window 12 are smaller than the section size of the installation groove 4, and the bottom surface of the operation window 12 is located at the upper part of the bottom surface of the installation groove 4, so that the electric wire can be inserted into the upper part of the sleeve plate 7 in a right alignment mode, and the convenience of wiring is improved.

Further, the number of the fixing holes 3 is two, and the two fixing holes 3 are respectively located at opposite corners of the porcelain cover 2.

Further, a movable contact spring 11 is fixedly installed on the bottom surface of the porcelain cover 2, the movable contact spring 11 is movably clamped with the static contact spring 6, electrical connection is achieved through clamping connection of the movable contact spring 11 and the static contact spring 6, two end lines are communicated, the movable contact spring 11 is of an existing structure, and a fuse tube is connected between the two movable contact springs 11 and used for fusing.

The working principle is as follows: the electric wire is inserted into the mounting groove 4 along the operation window 12 and placed on the top surface of the sleeve plate 7, the bolt 10 is rotated, the bolt 10 moves upwards, the sleeve plate 7 is extruded to ascend, the spring 8 stretches, the electric wire is compressed, and the bolt 10 is rotated when the electric wire needs to be disassembled and assembled.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automatically controlled cabinet porcelain matter fuse, includes porcelain matter seat (1), porcelain matter lid (2), its characterized in that: the intercommunication has fixed orifices (3) between porcelain matter seat (1) and porcelain matter lid (2), mounting groove (4) have been seted up to the top surface of porcelain matter seat (1), cross slot (5) have been seted up to the inside of porcelain matter seat (1), the internal surface fixed of cross slot (5) has cup jointed static contact (6), bushing plate (7) have been cup jointed in the outside activity of static contact (6), the bottom surface fixedly connected with spring (8) of bushing plate (7), the bottom and porcelain matter seat (1) fixed connection of spring (8), shoulder hole (9) have been seted up to the bottom surface of porcelain matter seat (1), bolt (10) have been cup jointed to the internal surface screw thread of shoulder hole (9), the top of bolt (10) is passed the bottom of porcelain matter seat (1) and is extended to the inside of mounting groove (4).

2. The porcelain fuse of the electric control cabinet according to claim 1, characterized in that: the shape of the static contact piece (6) is W-shaped, and the shape of the sleeve plate (7) is adapted to the shape of the static contact piece (6).

3. The porcelain fuse of the electric control cabinet according to claim 2, characterized in that: the number of the springs (8) is four, every two springs (8) are divided into a front group and a rear group, and the two springs (8) are located in the middle of the bottom surface of the sleeve plate (7).

4. The porcelain fuse of the electric control cabinet according to claim 1, characterized in that: the ceramic base is characterized in that an operation window (12) is formed in the ceramic base (1), the shape and size of the operation window (12) are smaller than the section size of the installation groove (4), and the bottom surface of the operation window (12) is located on the upper portion of the bottom surface of the installation groove (4).

5. The porcelain fuse of the electric control cabinet according to claim 1, characterized in that: the number of the fixing holes (3) is two, and the two fixing holes (3) are respectively positioned at the opposite corners of the porcelain cover (2).

6. The porcelain fuse of the electric control cabinet according to claim 1, characterized in that: the movable contact spring (11) is fixedly installed on the bottom surface of the porcelain cover (2), and the movable contact spring (11) is movably clamped with the static contact spring (6).