CN210404437U

CN210404437U - Low-voltage distribution box convenient to change device

Info

Publication number: CN210404437U
Application number: CN201921055981.4U
Authority: CN
Inventors: 沈军
Original assignee: Tianjin Baili Switchgear Co ltd
Current assignee: Tianjin Baili Switchgear Co ltd
Priority date: 2019-07-08
Filing date: 2019-07-08
Publication date: 2020-04-24
Anticipated expiration: 2029-07-08

Abstract

The utility model discloses a low voltage distribution box convenient to change device, including the block terminal body, the block terminal body comprises the box and articulates at the positive chamber door of box, the equal fixedly connected with rectangular rod in both sides at the inside back of box, the outside of two rectangular rods is provided with a plurality of fixed establishment, a plurality of fixed establishment is by two concave pieces, a slide rail, four second movable rods, four reset spring and a plurality of set up the draw-in groove of establishing in two rectangular rod both sides and constitute, two concave pieces set up the outside at two rectangular rods through four second movable rods and four reset spring, the positive equal fixedly connected with slide rail of two concave pieces. This kind of low voltage distribution box convenient to change device uses through the cooperation of second movable rod, reset spring and draw-in groove, makes fixing on the rectangular rod or taking off from the rectangular rod that the spill piece can be relaxed, and then has made things convenient for the change of slide rail to the circuit breaker to on the slide rail has been made things convenient for and has been changed.

Description

Low-voltage distribution box convenient to change device

Technical Field

The utility model relates to a low voltage distribution box specifically is a low voltage distribution box convenient to change device.

Background

Generally, a low-voltage forest is formed by electrical wiring, and switching equipment, measuring instruments, protective electrical appliances and auxiliary equipment are required to be assembled in a closed or semi-closed metal cabinet or on a screen to form a low-voltage distribution box, and a circuit can be switched on or off by a manual or automatic switch in normal operation.

At present, the inside circuit breaker of most block terminals all overlaps earlier on the slide rail, and the inside of low voltage distribution box is installed with the slide rail to a plurality of bolts of rethread, and the process is loaded down with trivial details, the change of the circuit breaker of not being convenient for. We have therefore developed this and propose a low-voltage switchgear which facilitates the replacement of the device.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a low-voltage distribution box convenient for replacing devices, which comprises a distribution box body, wherein the distribution box body consists of a box body and a box door hinged on the front side of the box body, rectangular rods are fixedly connected on both sides of the back side of the interior of the box body, a plurality of fixing mechanisms are arranged on the outer parts of two rectangular rods, each fixing mechanism consists of two concave blocks, a slide rail, four second movable rods, four reset springs and a plurality of clamping grooves arranged on both sides of the two rectangular rods, the two concave blocks are arranged on the outer parts of the two rectangular rods through the four second movable rods and the four reset springs, the slide rails are fixedly connected on the front sides of the two concave blocks, a plurality of circuit breakers are fixedly arranged on the front sides of the slide rails, a plurality of heat dissipation holes are arranged in the middle parts of both sides, a ring-shaped frame is fixedly arranged in, the dustproof mechanism is arranged in the annular frame and comprises two clamping blocks, a dustproof cover, two first movable rods and two extension springs arranged outside the first movable rods, the two clamping blocks are arranged in the annular frame through the two first movable rods and the two extension springs respectively, and the dustproof cover is fixedly connected to one side of each clamping block.

As a preferred technical scheme of the utility model, the equal fixed mounting in middle part of box both sides has dash board, two dash board all is located a plurality of louvre directly over.

As an optimal technical scheme of the utility model, four reset spring sets up respectively in the outside of four second movable rods, four the second movable rod sets up respectively in the both sides of two concave blocks, four the tip of second movable rod respectively with four draw-in groove joints that correspond.

As a preferred technical scheme of the utility model, the dust cover comprises frame and the dust screen of setting in the frame inside, the top and the bottom of frame one side respectively with one side fixed connection of two fixture blocks.

As a preferred technical scheme of the utility model, two first movable rod sets up respectively in the top and the bottom of annular frame, two extension spring's both ends respectively with the one end of two first movable rods and the outside fixed connection of annular frame, two the other end of first movable rod all runs through and extends to the inside of annular frame and respectively with the inside joint of two fixture blocks.

As a preferred technical scheme of the utility model, one side that the frame is close to the annular frame is provided with the sealing washer, one side of sealing washer and one side swing joint of annular frame.

The utility model has the advantages that:

1. this kind of low voltage distribution box convenient to change device uses through the cooperation of second movable rod, reset spring and draw-in groove, makes fixing on the rectangular rod or taking off from the rectangular rod that the spill piece can be relaxed, and then has made things convenient for the change of slide rail to the circuit breaker to on the slide rail has been made things convenient for and has been changed.

2. This kind of low voltage distribution box convenient to change device, through frame and dust screen, when making the air get into the inner chamber of box through the louvre, dust in the air can be by the dust screen separation, and then prevent that the dust from influencing the inside electron device's of box use, the cooperation of the first movable rod of rethread and extension spring is used, make fixing in the inside of annular frame or taking out from the inside of annular frame that two fixture blocks can relax, and then made things convenient for the installation and the dismantlement of frame, thereby the convenience is changed and is washd the dust screen, therefore, the clothes hanger is strong in practicability.

Drawings

The accompanying drawings 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 and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of a low-voltage distribution box convenient for replacing devices according to the present invention;

fig. 2 is a schematic view of the internal structure of the low-voltage distribution box of fig. 1, which is convenient for replacing devices according to the present invention;

fig. 3 is an enlarged schematic structural view of a low voltage distribution box of the present invention at a point a in fig. 2, which facilitates device replacement;

fig. 4 is the utility model relates to a low voltage distribution box's fig. 2 slide rail structure sketch map convenient to change device.

In the figure: 1. a distribution box body; 2. a box body; 3. a box door; 4. heat dissipation holes; 5. a flashing; 6. an annular frame; 7. a clamping block; 8. a first movable bar; 9. an extension spring; 10. a frame; 11. a dust screen; 12. a rectangular bar; 13. a concave block; 14. a slide rail; 15. a circuit breaker; 16. a card slot; 17. a second movable bar; 18. a return spring; 19. and (5) sealing rings.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in fig. 1, fig. 2, fig. 3 and fig. 4, the low voltage distribution box convenient for replacing devices of the present invention comprises a distribution box body 1, wherein the distribution box body 1 is composed of a box body 2 and a box door 3 hinged on the front side of the box body 2, both sides of the back side inside the box body 2 are fixedly connected with rectangular rods 12, the outer parts of the two rectangular rods 12 are provided with a plurality of fixing mechanisms, each fixing mechanism is composed of two concave blocks 13, a slide rail 14, four second movable rods 17, four reset springs 18 and a plurality of clamping grooves 16 arranged on both sides of the two rectangular rods 12, the two concave blocks 13 are arranged on the outer parts of the two rectangular rods 12 through the four second movable rods 17 and the four reset springs 18, the front sides of the two concave blocks 13 are fixedly connected with heat dissipation holes 14, the front sides of the slide rail 14 are fixedly provided with a plurality of circuit breakers 15, the middle parts of both sides, the equal fixed mounting in middle part of 2 inner chamber both sides of box has annular frame 6, and the inside of annular frame 6 is provided with dustproof mechanism, and dustproof mechanism comprises two fixture blocks 7, a dust cover, two first movable rods 8 and two extension springs 9 that set up in first movable rod 8 outside, and two fixture blocks 7 set up in the inside of annular frame 6 through two first movable rods 8 and two extension springs 9 respectively, the equal fixedly connected with dust cover in one side of two fixture blocks 7.

Wherein, the equal fixed mounting in middle part of 2 both sides of box has dash board 5, and two dash boards 5 all are located a plurality of louvre 4 directly over, can prevent through dash board 5 that the rainwater from flowing into the inside of box 2 and then influencing the use of the inside electron device of box 2 through louvre 4 fine.

Wherein, four reset springs 18 set up respectively in the outside of four second movable rods 17, four second movable rods 17 set up respectively in the both sides of two concave blocks 13, the tip of four second movable rods 17 respectively with four draw-in grooves 16 joints that correspond, through second movable rod 17, reset spring 18 and draw-in groove 16's cooperation is used, make fixing on rectangular rod 12 or taking off from rectangular rod 12 that concave block 13 can relax, and then made things convenient for the change of slide rail 14, thereby made things convenient for the change of circuit breaker 15 on the slide rail 14.

Wherein, the dust cover comprises frame 10 and the dust screen 11 that sets up in frame 10 inside, the top and the bottom of frame 10 one side respectively with one side fixed connection of two fixture blocks 7, through frame 10 and dust screen 11, when making the air pass through louvre 4 and get into the inner chamber of box 2, the dust in the air can be by the 11 separation of dust screen, and then prevents that the dust from influencing the use of the inside electron device of box 2.

Wherein, two first movable rods 8 set up respectively in the top and the bottom of annular frame 6, two extension spring 9's both ends respectively with two first movable rods 8's one end and annular frame 6's outside fixed connection, two first movable rods 8's the other end all runs through and extends to annular frame 6's inside and respectively with two fixture block 7's inside joint, use through first movable rod 8 and extension spring 9's cooperation, make two fixture block 7 can relax fix in annular frame 6's inside or take out from annular frame 6's inside, and then made things convenient for the installation and the dismantlement of frame 10, thereby conveniently change and wash dust screen 11, therefore, the clothes hanger is strong in practicability.

Wherein, the frame 10 is provided with the sealing washer 19 near one side of the ring frame 6, one side of the sealing washer 19 and one side swing joint of the ring frame 6, through the sealing washer 19, make the air can only get into the inside of the container body 2 through the dust screen 11, but can not get into through the gap between ring frame 6 and the frame 10, have promoted the leakproofness.

When the box door is in work, when the breaker 15 needs to be replaced, the box door 3 is opened, the four second movable rods 17 on the two concave blocks 13 are pulled outwards, the four reset springs 18 are stretched, the end parts of the four second movable rods 17 are separated from the insides of the four clamping grooves 16 respectively, the concave blocks 13 are taken down from the two rectangular rods 12, the breaker 15 is slid, finally the breaker 15 slides from the sliding rails 14, a new breaker 15 is sleeved outside the sliding rails 14, the two concave blocks 13 are sleeved outside the two rectangular rods 12, the two rectangular rods 12 push the four second movable rods 17 to move outwards respectively along with the stretching of the two concave blocks 13, the four reset springs 18 are stretched, and finally under the restoring force action of the four reset springs 18, the end parts of the four second movable rods 17 are inserted into the insides corresponding to the four clamping grooves 16 respectively to fix the two concave blocks 13 and the sliding rails 14, outwards pulling four first movable rods 8, putting two sealing rings 19 between two frames 10 and two annular frames 6, putting four fixture blocks 7 on the two frames 10 into the interiors of the two annular frames 6 respectively, loosening the four first movable rods 8, inserting the four first movable rods 8 into the interiors of the four fixture blocks 7 under the restoring force action of the four extension springs 9, and fixing the four fixture blocks 7, the two frames 10 and the two dust screens 11.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A low-voltage distribution box convenient for replacing devices comprises a distribution box body (1), wherein the distribution box body (1) consists of a box body (2) and a box door (3) hinged to the front side of the box body (2), and is characterized in that two sides of the back side of the interior of the box body (2) are fixedly connected with rectangular rods (12), a plurality of fixing mechanisms are arranged outside the two rectangular rods (12), each fixing mechanism consists of two concave blocks (13), a sliding rail (14), four second movable rods (17), four reset springs (18) and a plurality of clamping grooves (16) formed in two sides of the two rectangular rods (12), the two concave blocks (13) are arranged outside the two rectangular rods (12) through the four second movable rods (17) and the four reset springs (18), the sliding rails (14) are fixedly connected to the front sides of the two concave blocks (13), the front fixed mounting of slide rail (14) has a plurality of circuit breaker (15), a plurality of louvre (4) have all been seted up at the middle part of box (2) both sides, the equal fixed mounting in middle part of box (2) inner chamber both sides has annular frame (6), the inside of annular frame (6) is provided with dustproof mechanism, dustproof mechanism comprises two fixture blocks (7), a dust cover, two first movable rods (8) and two extension spring (9) that set up in first movable rod (8) outside, two fixture block (7) set up the inside at annular frame (6) through two first movable rods (8) and two extension spring (9) respectively, two the equal fixedly connected with dust cover in one side of fixture block (7).

2. The low-voltage distribution box convenient to replace devices of claim 1, wherein rain shields (5) are fixedly mounted in the middle of two sides of the box body (2), and the two rain shields (5) are positioned right above the plurality of heat dissipation holes (4).

3. The low-voltage distribution box convenient for replacing components according to claim 1, characterized in that four return springs (18) are respectively arranged outside four second movable rods (17), the four second movable rods (17) are respectively arranged on two sides of two concave blocks (13), and the ends of the four second movable rods (17) are respectively connected with four corresponding clamping grooves (16).

4. The low-voltage distribution box convenient for replacing devices as claimed in claim 1, wherein the dust cover is composed of a frame (10) and a dust screen (11) arranged inside the frame (10), and the top end and the bottom end of one side of the frame (10) are respectively fixedly connected with one side of the two clamping blocks (7).

5. The low-voltage distribution box convenient to change device of claim 1, characterized in that, two first movable rods (8) are respectively arranged at the top and bottom of the annular frame (6), two ends of the extension spring (9) are respectively fixedly connected with one ends of the two first movable rods (8) and the outer side of the annular frame (6), and the other ends of the two first movable rods (8) are respectively penetrated and extended into the annular frame (6) and are respectively connected with the inner parts of the two clamping blocks (7) in a clamping manner.

6. Low-voltage distribution box facilitating device replacement according to claim 4, characterized in that the side of the frame (10) close to the annular frame (6) is provided with a sealing ring (19), and one side of the sealing ring (19) is movably connected with one side of the annular frame (6).