CN209895989U - Power supply contactor with leakage protection function - Google Patents

Abstract

The utility model discloses a power supply contactor with electric leakage protection function, comprising a fixed box and a fixed contactor main body arranged inside the fixed box, wherein the surface of the fixed box is provided with a transparent protective cover, the bottom end of the transparent protective cover is provided with an anti-abrasion mechanism, and the anti-abrasion mechanism comprises a movable rotating shaft, a first magnet, a second magnet, a movable groove, an anti-abrasion sleeve, a limit clamping groove and a limit bulge; the utility model discloses a fixed transparent protection casing upset of having avoided through first magnet and second magnet inter attraction is rocked, and be convenient for transparent protection casing open fast and close, it fixes through self elasticity block and opens and close the back at the upset many times to have solved transparent protection casing, the elasticity and the intensity of transparent protection casing material can reduce and shorten life's problem, can avoid the activity pivot wearing and tearing through the sheathed tube abrasionproof effect of abrasionproof simultaneously, the life of activity pivot has been prolonged, and the abrasionproof sleeve pipe is convenient for quick assembly disassembly and saves time and physical power.

Description

Power supply contactor with leakage protection function

Technical Field

The utility model belongs to the technical field of power contactor, concretely relates to power contactor with earth leakage protection function.

Background

The power supply contactor is divided into an alternating current contactor (voltage AC) and a direct current contactor (voltage DC), is applied to electric power, power distribution and power utilization occasions, can quickly cut off an alternating current and direct current main loop and can frequently switch on and switch off a device of a large-current control circuit, can switch on and switch off the circuit, has a low-voltage release protection function, is large in control capacity of the contactor, is suitable for frequent operation and remote control, is one of important elements in an automatic control system, and is usually installed on a standard guide rail in a fixing clamp back-off mode.

Present contactor outward appearance can accumulate a large amount of dusts usually when using, uses transparent protection casing dustproof usually, but transparent protection casing uses self elasticity block fixed usually when closing to open and close the protection casing after overturning many times, the elasticity and the intensity of protection casing material can reduce, and the pivot also can wear and tear the problem that has reduced protection casing life, for this reason we provide a power contactor with electric leakage protect function.

Disclosure of Invention

An object of the utility model is to provide a power contactor with earth leakage protect function to it can accumulate a large amount of dusts usually to propose current contactor outward appearance when using in solving above-mentioned background art, uses transparent protection casing dustproof usually, but transparent protection casing uses self elasticity block fixed when closing usually, thereby after the protection casing is opened and closed in upset many times, the elasticity and the intensity of protection casing material can reduce, and the pivot also can wear and tear the problem that has reduced protection casing life.

In order to achieve the above object, the utility model provides a following technical scheme: a power supply contactor with an electric leakage protection function comprises a fixed box and a contactor main body which is fixedly arranged in the fixed box, wherein a transparent protective cover is arranged on the surface of the fixed box, an anti-abrasion mechanism is arranged at the bottom end of the transparent protective cover, the anti-abrasion mechanism comprises a movable rotating shaft, a first magnet, a second magnet, a movable groove, an anti-abrasion sleeve, limiting clamping grooves and limiting bulges, the movable rotating shaft is symmetrically arranged and fixed at the bottom end of the transparent protective cover, one end of the movable rotating shaft is sleeved with the anti-abrasion sleeve and is placed in the movable groove, the movable grooves are symmetrically arranged on two sides of the fixed box, the limiting bulges are symmetrically arranged and fixed on the surface edge of the movable rotating shaft and are matched with the limiting clamping grooves, the limiting clamping grooves are symmetrically arranged on the inner surface of the anti-abrasion sleeve, the second magnet is fixed on the lower surface of the fixed box and mutually, the first magnet is fixedly arranged on the top of the inner surface of the transparent protective cover, and a protective mechanism is arranged on the surface of the fixed box.

Preferably, protection machanism includes rubber elastic cushion, fixed slot and fixed arch, the laminating is installed at the surface of fixed case and is placed in the inside of fixed slot to rubber elastic cushion, the surface at fixed case is seted up to the fixed slot, fixed slot symmetry set up at the fixed slot the internal surface and with fixed protruding phase-match block, the both sides at rubber elastic cushion are fixed in the installation of fixed arch symmetry.

Preferably, the bottom of the surface of the contactor main body is provided with input line connectors at equal intervals, and the top of the surface of the contactor main body is provided with output line connectors at equal intervals and corresponds to the input line connectors.

Preferably, reset switches are disposed on the surface of the contactor body at equal intervals.

Preferably, a warning lamp is arranged on the side surface of the fixed box.

Preferably, the two sides of the fixing box are symmetrically provided with fixing clamps, and the end parts of the fixing clamps are provided with barbs.

Preferably, the upper end and the lower end of the fixed box are provided with wiring holes at equal intervals.

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

(1) the utility model discloses a through first magnet and second magnet inter attraction fixed transparent protection casing upset of having avoided is rocked, and be convenient for transparent protection casing open fast and close, it fixes through self elasticity block and opens and close the back at the upset many times to have solved transparent protection casing, the elasticity and the intensity of transparent protection casing material can reduce and shorten life's problem, can avoid the activity pivot wearing and tearing when the activity is rotatory simultaneously through the wearing and tearing sheathed tube abrasionproof effect, the life of activity pivot has been prolonged, and it is fixed with spacing protruding block through spacing draw-in groove, the quick dismouting of the wearing and tearing sleeve pipe of being convenient for saves time and physical power.

(2) The utility model discloses a through fixed protruding fixed slot that inserts inside fixed slot through self elasticity block fixed, make things convenient for the rubber elasticity pad installation fixed and dismantle the change, guarantee the injury that the fixed case alleviateed the circumstances such as vibrations and received when the installation, and elasticity through the rubber elasticity pad can make the fixation clamp card more stable on standard guide rail.

Drawings

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

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

FIG. 3 is a front view of the transparent protective cover of the present invention;

fig. 4 is an enlarged cross-sectional view of the area a in fig. 1 according to the present invention;

fig. 5 is a schematic side view of the wear-resistant casing according to the present invention;

fig. 6 is an enlarged cross-sectional view of the area B in fig. 2 according to the present invention;

in the figure: 1. a fixed box; 2. an input line connector; 3. a reset switch; 4. an output line connector; 5. a contactor body; 6. a movable rotating shaft; 7. a transparent protective cover; 8. a first magnet; 9. a warning light; 10. a fixing clip; 11. a second magnet; 12. a rubber elastic pad; 13. a wiring hole; 14. a movable groove; 15. an anti-wear sleeve; 16. a limiting clamping groove; 17. a limiting bulge; 18. fixing grooves; 19. fixing the clamping groove; 20. and fixing the protrusion.

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.

Referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, the present invention provides a technical solution: a power supply contactor with an electric leakage protection function comprises a fixed box 1 and a contactor main body 5 which is fixedly arranged in the fixed box 1, a transparent protective cover 7 is arranged on the surface of the fixed box 1, an anti-abrasion mechanism is arranged at the bottom end of the transparent protective cover 7, the anti-abrasion mechanism comprises a movable rotating shaft 6, a first magnet 8, a second magnet 11, a movable groove 14, an anti-abrasion sleeve 15, a limiting clamping groove 16 and a limiting protrusion 17, the movable rotating shaft 6 is symmetrically arranged and fixed at the bottom end of the transparent protective cover 7, the anti-abrasion sleeve 15 is sleeved at one end of the movable rotating shaft 6 and is placed in the movable groove 14, the movable groove 14 is symmetrically arranged at two sides of the fixed box 1, the limiting protrusion 17 is symmetrically arranged and fixed at the surface edge of the movable rotating shaft 6 and is matched with the limiting clamping groove 16, the limiting clamping groove 16 is symmetrically arranged on the inner surface of the anti-abrasion sleeve 15, the second magnet 11 is arranged and fixed, first magnet 8 installation is fixed at the internal surface top of transparent protection casing 7, through first magnet 8 and the fixed transparent protection casing 7 upset of having avoided of second magnet 11 inter attraction rock, and be convenient for transparent protection casing 7 open fast and close, it fixes through self elasticity block and opens and close the back at the multiple upset to have solved transparent protection casing 7, the elasticity and the intensity of transparent protection casing 7 material can reduce and shorten life's problem, wearing and tearing when the activity is rotatory can be avoided to the abrasionproof effect through abrasionproof sleeve pipe 15 simultaneously, the life of activity pivot 6 has been prolonged, and it is fixed with spacing protruding 17 block through spacing draw-in groove 16, be convenient for abrasionproof sleeve pipe 15 quick assembly disassembly and save time and physical power, the surface of fixed case 1 is provided with protection machanism.

In this embodiment, it is preferred, protection machanism includes rubber elastic pad 12, fixed slot 18, fixed slot 19 and fixed protrusion 20, rubber elastic pad 12 installation laminating is on the surface of fixed case 1 and is placed in the inside of fixed slot 18, fixed slot 18 sets up the surface at fixed case 1, fixed slot 19 symmetry sets up at the internal surface of fixed slot 18 and with fixed protrusion 20 phase-match block, the both sides at rubber elastic pad 12 are fixed in the installation of fixed protrusion 20 symmetry, it is fixed through self elasticity block inside fixed to insert fixed slot 19 through fixed protrusion 20, make things convenient for rubber elastic pad 12 installation fixed and dismantle the change, guarantee that fixed case 1 alleviates the injury that the circumstances such as vibrations received when the installation, and elasticity through rubber elastic pad 12 can make fixation clamp 10 block more stable on standard guide.

In this embodiment, it is preferable that the input line connectors 2 are installed on the bottom of the surface of the contactor main body 5 at equal intervals, and the output line connectors 4 are installed on the top of the surface of the contactor main body 5 at equal intervals and correspond to the input line connectors 2, so that the output line and the input line are respectively connected with the contactor main body 5.

In this embodiment, it is preferable that the surface of the contactor main body 5 is provided with the reset switches 3 at equal intervals, so that the contactor main body 5 can be reset by a user through manual operation when the electric leakage stops.

In this embodiment, it is preferred, the side-mounting of fixed case 1 is provided with warning light 9, helps warning light 9 to brighten and send out the warning and be convenient for operating personnel know at the very first time and maintain.

In this embodiment, preferably, the fixing clips 10 are symmetrically installed and fixed on two sides of the fixing box 1, and the end portions of the fixing clips 10 are provided with barbs, so that the fixing box 1 can be conveniently installed and fixed on a standard guide rail through the fixing clips 10.

In this embodiment, it is preferable that the upper and lower ends of the fixed box 1 have wiring holes 13 formed therethrough at equal intervals, so that the output line and the input line plug can be inserted into the fixed box 1 and connected to the contactor main body 5, respectively.

The utility model discloses a theory of operation and use flow: the utility model discloses a when using, earlier wear-resisting sleeve pipe 15 cover at the tip of activity pivot 6 and let spacing draw-in groove 16 and spacing protruding 17 block fixed, simultaneously take wear-resisting sleeve pipe 15 to the tip of activity pivot 6 and insert the inside of activity recess 14, turn over downwards afterwards and close transparent protection casing 7 fixed through first magnet 8 and second magnet 11 inter attraction, place the inside at fixed slot 18 to rubber elastic cushion 12 installation afterwards, let fixed protrusion 20 insert the inside of fixed draw-in groove 19 and avoid rubber elastic cushion 12 to drop simultaneously, then fix case 1 on standard guide rail through fixation clamp 10 block, can use this utility model after the installation is accomplished.

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 (7)

1. The utility model provides a power contactor with earth leakage protection function, includes fixed case (1) and fixed case (1) fixed contactor main part (5) of internally mounted, the surface mounting of fixed case (1) is provided with transparent protection casing (7), its characterized in that: the bottom of the transparent protective cover (7) is provided with an anti-abrasion mechanism, the anti-abrasion mechanism comprises a movable rotating shaft (6), a first magnet (8), a second magnet (11), a movable groove (14), an anti-abrasion sleeve (15), a limiting clamping groove (16) and a limiting protrusion (17), the bottom of the transparent protective cover (7) is symmetrically installed and fixed with the movable rotating shaft (6), one end of the movable rotating shaft (6) is sleeved with the anti-abrasion sleeve (15) and placed inside the movable groove (14), the movable grooves (14) are symmetrically arranged on two sides of the fixed box (1), the limiting protrusion (17) is symmetrically installed and fixed on the surface edge of the movable rotating shaft (6) and matched with the limiting clamping groove (16), the limiting clamping groove (16) is symmetrically arranged on the inner surface of the anti-abrasion sleeve (15), the lower surface of the fixed box (1) is installed and fixed with the second magnet (11) and mutually attracted with the first magnet (8), the first magnet (8) is fixedly arranged on the top of the inner surface of the transparent protective cover (7), and a protective mechanism is arranged on the surface of the fixed box (1).

2. A power supply contactor with earth leakage protection function according to claim 1, characterized in that: protection machanism includes rubber elastic cushion (12), fixed slot (18), fixed slot (19) and fixed arch (20), the laminating is installed on the surface of fixed case (1) and is placed in the inside of fixed slot (18) to rubber elastic cushion (12), the surface at fixed case (1) is seted up in fixed slot (18), fixed slot (19) symmetry is seted up at the internal surface of fixed slot (18) and with fixed arch (20) phase-match block, the both sides at rubber elastic cushion (12) are fixed in the installation of fixed arch (20) symmetry.

3. A power supply contactor with earth leakage protection function according to claim 1, characterized in that: the surface bottom equidistant installation of contactor main part (5) is provided with input line joint (2), the surface top equidistant installation of contactor main part (5) is provided with output line joint (4) and corresponds with input line joint (2).

4. A power supply contactor with earth leakage protection function according to claim 1, characterized in that: reset switches (3) are arranged on the surface of the contactor main body (5) at equal intervals.

5. A power supply contactor with earth leakage protection function according to claim 1, characterized in that: and a warning lamp (9) is arranged on the side surface of the fixed box (1).

6. A power supply contactor with earth leakage protection function according to claim 1, characterized in that: the fixing box is characterized in that fixing clamps (10) are symmetrically arranged and fixed on two sides of the fixing box (1), and barbs are arranged at the end parts of the fixing clamps (10).

7. A power supply contactor with earth leakage protection function according to any one of claims 1-6, characterized in that: the upper end and the lower end of the fixed box (1) are provided with wiring holes (13) at equal intervals.

Images