CN210866089U

CN210866089U - Coil bracket for circuit breaker

Info

Publication number: CN210866089U
Application number: CN201922048793.5U
Authority: CN
Inventors: 邓海清; 南向俊
Original assignee: Yueqing Rongtai Electrical Appliance Factory
Current assignee: Yueqing Rongtai Electrical Appliance Factory
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-06-26
Anticipated expiration: 2029-11-22

Abstract

The utility model discloses a coil bracket for a circuit breaker, which relates to the technical field of circuit breaker accessories, and the technical scheme main points of the coil bracket comprise a main plate body, wherein a first auxiliary plate and a second auxiliary plate which are oppositely arranged are respectively formed at two ends of the main plate body; a first slot is formed on the first auxiliary plate, and a second slot opposite to the first slot is formed on the second auxiliary plate; the upper end of the first slot is provided with an opening for inserting the coil column core, and the upper end of the second slot is also provided with an opening for the coil to penetrate out; the utility model discloses have and carry out spacing fixed with coil post core and coil to make coil post core and coil more stable effect.

Description

Coil bracket for circuit breaker

Technical Field

The utility model relates to a technical field of circuit breaker accessory, more specifically say, it relates to a coil support for circuit breaker.

Background

The circuit breaker is a switching device capable of closing, carrying, and opening/closing a current under a normal circuit condition and a current under an abnormal circuit condition for a predetermined time. The coil which generates repulsion force through electromagnetic reaction and is used for breaking a circuit and the coil column core which is inserted in the coil are usually arranged in the circuit breaker, and the effect of avoiding influencing the circuit safety due to current short circuit is achieved through the matching of the coil and the coil column core.

Chinese patent with publication number CN205542627U in the prior art discloses a high flame-retardant miniature circuit breaker, which includes a flame-retardant housing; a fire extinguishing arc is arranged in the flame-retardant shell, a support is arranged on the fire extinguishing arc, the support is connected with a double-alloy sheet through a connecting rod, the double-alloy sheet is connected with a wiring terminal A through the connecting rod, a nut A is fixedly arranged on the wiring terminal A, and the wiring terminal A is matched with the nut A; the coil is wound on the support, a coil column core is placed in the coil, the coil is connected with the contact through a lead, the contact is connected with the wiring terminal B through a connecting rod, the wiring terminal B is fixedly provided with a nut B, and the wiring terminal B is matched with the nut B; the utility model discloses a have small, light in weight, the precision is high, and shell and part adopt high fire-retardant and shock-resistant engineering plastics to make, the effect of life-span specialty.

Because the bracket in the patent is of a single-plate structure, when the coil column core and the coil are installed, only one end of the coil column core can be fixed on the bracket, and after the coil column core is fixed, the coil is sleeved on the coil column core; however, the bracket of the single-plate structure is relatively weak, and when the shell is impacted or severely shaken, the joint of the coil column core and the single plate is easy to break; when one end of the coil is pulled by the lead, the coil is easy to separate from the coil column core, so that the normal work of the coil is influenced; the overall stability of the coil core and the coil is poor.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model provides a coil support for circuit breaker has and carries out spacing fixed with coil post core and coil to make coil post core and coil more stable effect.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a coil support for a circuit breaker comprises a main plate body, wherein a first auxiliary plate and a second auxiliary plate which are oppositely arranged are respectively formed at two ends of the main plate body; a first slot is formed on the first auxiliary plate, and a second slot opposite to the first slot is formed on the second auxiliary plate; the upper end of the first slot is provided with an opening for inserting the coil column core, and the upper end of the second slot is also provided with an opening for the coil to penetrate out.

By adopting the technical scheme, when the coil is installed, the coil is sleeved on the coil column core, one end of the coil column core is inserted into the first auxiliary plate from the opening of the first slot, and the coil column core can be limited and fixed through the first slot; the other end of the coil column core is tightly abutted against the inner side wall of the second auxiliary plate, and the coil column core can be limited and fixed from two sides of the coil column core through the first auxiliary plate and the second auxiliary plate, so that the coil column core is more stable; then, one end of the coil penetrates out of the second slot, and one end of the coil is clamped in the second slot, so that the coil is fixed; therefore, the coil column core and the coil can be more stable.

The utility model discloses further set up to: the second subplate is provided with a support plate positioned at the lower end of the second slot, the support plate is perpendicular to the second subplate, and the support plate faces the first subplate.

By adopting the technical scheme, when the coil column core is inserted between the first auxiliary plate and the second auxiliary plate, one end of the coil column core, which is far away from the first slot, can be supported through the supporting plate, so that the coil column core can be prevented from falling off between the first auxiliary plate and the second auxiliary plate; the stability of the coil cylinder core is further enhanced.

The utility model discloses further set up to: the coil outer side wall pressing device is characterized in that a pressing block located between the first auxiliary plate and the second auxiliary plate is arranged on the main plate body, and one end, far away from the main plate body, of the pressing block is used for being tightly abutted to the outer side wall of the coil.

Through adopting above-mentioned technical scheme, when with coil post core and coil fixed mounting between first subplate and second subplate, the briquetting that is located the mainboard body can compress tightly coil one side on the post core of coil to make the firm cover of coil ability on the post core of coil, avoid the coil to take place to rotate, improved the stability of during operation.

The utility model discloses further set up to: a bent limiting plate is formed at one end, facing the second auxiliary plate, of the main plate body, and the main plate body is connected with the second auxiliary plate through the limiting plate; the limiting plate is surrounded to form a limiting groove with an opening facing the position between the first auxiliary plate and the second auxiliary plate.

Through adopting above-mentioned technical scheme, when installing the mainboard body in the circuit breaker casing, aim at the erection column in the casing with the spacing groove earlier, through passing the spacing groove with the erection column to can carry out preliminary spacing fixed to the mainboard body, make the installation in the casing that mainboard physical stamina is more smooth.

The utility model discloses further set up to: the lateral wall of the limiting plate, which deviates from the limiting groove, is provided with a reinforcing strip, and the reinforcing strip is arranged along the bending direction of the limiting plate.

By adopting the technical scheme, the limiting plate is in a bent shape, so that the two ends of the limiting plate are easy to deform when being subjected to inward extrusion force; the reinforcing strip can reinforce the limiting plate, so that the overall structure of the limiting plate is enhanced, and the deformation of the limiting plate can be reduced.

The utility model discloses further set up to: the limiting plate is provided with a mounting groove located on one side of the reinforcing strip, and the mounting groove is used for mounting the contact.

By adopting the technical scheme, when the contact is installed, the installation of the contact can be positioned through the installation groove, and the contact is fixedly installed in the reserved installation groove, so that the contact can be accurately installed; meanwhile, the mounting groove enables the contact to be stably and firmly fixed on the limiting plate.

The utility model discloses further set up to: one end of the main board body, which is close to the first auxiliary board, is provided with an outward protruding plug board, and the plug board and the main board body are positioned on the same plane.

Through adopting above-mentioned technical scheme, when installing the mainboard body in the circuit breaker casing, insert on the inside wall of casing through the picture peg that will outwards be outstanding to just can fix the mainboard body that is close to first subplate one side, make the mainboard body of this side remain stable.

The utility model discloses further set up to: the two opposite side walls of the first slot are both provided with convex blocks, and the convex blocks positioned on the two sides of the first slot are symmetrically arranged.

Through adopting above-mentioned technical scheme, when inserting coil post core one end in first slot, through compressing tightly coil post core downwards in first slot, after coil post core passed the lug smoothly, the lug can compress tightly coil post core in first slot from coil post core's upper end to the chucking that has realized coil post core is fixed.

To sum up, the utility model discloses following beneficial effect has:

when the coil is installed, the coil is sleeved on the coil column core, and one end of the coil column core is inserted into the first auxiliary plate from the opening of the first slot; the coil column core is pressed downwards, and after the coil column core smoothly passes through the lug formed on the first slot, the coil column core can be pressed in the first slot from the upper end of the coil column core through the lug, so that the coil column core is clamped and fixed; the other end of the coil column core is tightly abutted against the inner side wall of the second auxiliary plate, and the coil column core can be limited and fixed from two sides of the coil column core through the first auxiliary plate and the second auxiliary plate, so that the coil column core is more stable; one end of the coil penetrates out of the second slot, and one end of the coil is clamped in the second slot, so that the coil is limited and fixed; the coil column core and the coil can be more stable and firm when working through the first auxiliary plate and the second auxiliary plate.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view showing the overall structure of the supporting plate of the present invention;

fig. 3 is an enlarged schematic view of a structure at a in fig. 1.

Reference numerals: 1. a main board body; 2. a first sub-panel; 3. a second sub-panel; 4. a first slot; 5. a second slot; 6. a support plate; 7. briquetting; 8. a limiting plate; 9. a limiting groove; 10. inserting plates; 11. a bump; 12. reinforcing the strips; 13. and (4) mounting the groove.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1, a coil support for a circuit breaker includes a main plate body 1, an outwardly protruding insertion plate 10 is integrally formed at one end of the main plate body 1, the insertion plate 10 is rectangular, and the insertion plate 10 and the main plate body 1 are located on the same plane. A limiting plate 8 which is bent towards the outside is integrally formed at one end, far away from the inserting plate 10, of the main plate body 1, and a U-shaped limiting groove 9 is formed by the bent limiting plate 8 in a surrounding mode.

As shown in fig. 1 and 2, a reinforcing strip 12 is integrally formed on an outer side wall of the limiting plate 8 away from the limiting groove 9, the reinforcing strip 12 protrudes in a direction away from the limiting groove 9, and the reinforcing strip 12 is arranged along a bending direction of the limiting plate 8. The limiting plate 8 is provided with a mounting groove 13 for mounting the contact on the outer side wall departing from the main plate body 1, and the mounting groove 13 is close to the tail end of the reinforcing strip 12.

As shown in fig. 1 and 2, a first sub-board 2 is integrally formed at one end of the main board body 1, the first sub-board 2 being close to one side of the board 10, and the first sub-board 2 being perpendicular to the main board body 1. The other end of the main board body 1 is fixedly connected with a second auxiliary board 3 which is perpendicular to the main board body 1 through a limiting board 8. The first auxiliary plate 2 and the second auxiliary plate 3 are both positioned on the same side of the main plate body 1 and are arranged oppositely. The opening of the limiting groove 9 is located between the first and

second sub-plates

2, 3.

As shown in fig. 1 and 3, the first sub plate 2 is formed with a first slot 4 into which one end of the coil core is inserted, and an upper end opening of the first slot 4 penetrates an upper side wall of the first sub plate 2. Two lugs 11 distributed along the inserting direction of the coil column core are integrally formed on the inner side wall opposite to the first slot 4, the lugs 11 respectively positioned at two sides of the first slot 4 are symmetrically arranged, and the positions of the lugs 11 at two sides are in one-to-one correspondence.

As shown in fig. 1 and 2, the second sub plate 3 is formed with a second insertion groove 5 opposed to the first insertion groove 4, and an upper end opening of the second insertion groove 5 penetrates an upper side wall of the second sub plate 3. The width of the second slot 5 is slightly smaller than that of the first slot 4, and one end of the coil penetrates through the second slot 5. The second sub-plate 3 is integrally formed with a support plate 6 at the lower end of the second slot 5, and the support plate 6 faces the first sub-plate 2 and is perpendicular to the second sub-plate 3.

As shown in fig. 2, the main plate body 1 is fixedly connected with a pressing block 7 located between the first auxiliary plate 2 and the second auxiliary plate 3, and when the coil is sleeved on the coil column core, one end of the pressing block 7 departing from the main plate body 1 can press the coil on the coil column core.

The specific effects of the embodiment are as follows:

when the coil is installed, the coil is sleeved on the coil column core, and one end of the coil column core is inserted into the first auxiliary plate 2 from the opening of the first slot 4. And then the coil column core is pressed downwards, and after the coil column core smoothly passes through the convex block 11 formed on the first slot 4, the coil column core can be pressed in the first slot 4 from the upper end of the coil column core through the convex block 11, so that the coil column core is clamped and fixed. And the coil post core other end will support tightly on the inside wall of second subplate 3, can follow the both sides of coil post core through first subplate 2 and second subplate 3 and carry out spacing fixed with the coil post core to enable more stability of coil post core. Then, one end of the coil penetrates out of the second slot 5, and one end of the coil is clamped in the second slot 5, so that the coil is limited and fixed; the coil column core and the coil can be more stable and firm when working through the first auxiliary plate 2 and the second auxiliary plate 3.

The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, any modification, equivalent replacement, or improvement made within the design concept of the present invention should be included within the protection scope of the present invention.

Claims

1. A coil support for a circuit breaker, comprising a main plate body (1), characterized in that: a first auxiliary plate (2) and a second auxiliary plate (3) which are oppositely arranged are respectively formed at two ends of the main plate body (1); a first slot (4) is formed in the first auxiliary plate (2), and a second slot (5) opposite to the first slot (4) is formed in the second auxiliary plate (3); the upper end of the first slot (4) is provided with an opening for inserting the coil column core, and the upper end of the second slot (5) is also provided with an opening for the coil to penetrate out.

2. The coil support for a circuit breaker as claimed in claim 1, wherein: the second auxiliary plate (3) is provided with a supporting plate (6) positioned at the lower end of the second slot (5), the supporting plate (6) is perpendicular to the second auxiliary plate (3), and the supporting plate (6) faces the first auxiliary plate (2).

3. The coil support for a circuit breaker as claimed in claim 2, wherein: the coil is characterized in that a pressing block (7) located between the first auxiliary plate (2) and the second auxiliary plate (3) is arranged on the main plate body (1), and one end, far away from the main plate body (1), of the pressing block (7) is used for being tightly abutted to the outer side wall of the coil.

4. A coil support for a circuit breaker as claimed in claim 3, wherein: a bent limiting plate (8) is formed at one end, facing the second auxiliary plate (3), of the main plate body (1), and the main plate body (1) is connected with the second auxiliary plate (3) through the limiting plate (8); the limiting plate (8) is surrounded to form a limiting groove (9) with an opening facing the space between the first auxiliary plate (2) and the second auxiliary plate (3).

5. The coil support for a circuit breaker as claimed in claim 4, wherein: the lateral wall of limiting plate (8) deviating from limiting groove (9) is formed with reinforcing strip (12), reinforcing strip (12) set up along the crooked direction of limiting plate (8).

6. The coil support for a circuit breaker as claimed in claim 5, wherein: the limiting plate (8) is provided with a mounting groove (13) located on one side of the reinforcing strip (12), and the mounting groove (13) is used for mounting a contact.

7. The coil support for a circuit breaker as claimed in claim 1, wherein: one end of the main plate body (1) close to the first auxiliary plate (2) is provided with an inserting plate (10) protruding outwards, and the inserting plate (10) and the main plate body (1) are located on the same plane.

8. The coil support for a circuit breaker as claimed in claim 6, wherein: the two opposite side walls of the first slot (4) are both provided with bumps (11), and the bumps (11) on the two sides of the first slot (4) are symmetrically arranged.