Door body structure of distribution box

Abstract

The utility model relates to the technical field of distribution boxes, and discloses a door body structure of a distribution box, which comprises a box body and a box door, the box door is hinged to one side of the box body through a hinge, one side of the box door is fixedly connected with a positioning ring, and the surface of the positioning ring is provided with a sealing mechanism; the sealing mechanism comprises a sealing ring arranged on the surface of the positioning ring in a sleeving mode. According to the utility model, through the arrangement of the sealing mechanism, when the box door rotates around the hinge to close the distribution box, the positioning ring and the sealing mechanism can enter the interior of the box body, at the same time, the sealing strip is firstly contacted with the inner wall of the box body and is extruded, gas in the gas cavity in the sealing strip is discharged through the exhaust hole, and after the box door is completely closed, the sealing ring is sealed. The sealing strips and the sealing rings are made of rubber and can be elastically reset, gas can enter the gas cavity through the exhaust holes again, the sealing strips are supported, the four sealing strips make close contact with the inner wall of the box body at the moment, the multi-layer sealing effect is achieved, and moisture is prevented from entering the box body from gaps of the box door.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of distribution box, concretely is the door body structure of distribution box. BACKGROUND

[0002] Power distribution cabinet (box) divides power distribution cabinet (box) and lighting distribution cabinet (box), metering cabinet (box), it is the last stage equipment of distribution system. The distribution cabinet is the general term of motor control center. Distribution cabinet is applicable in the occasion that load is more dispersed, loop is less. Motor control center is used in the occasion that load is concentrated, loop is more.

[0003] The front side of general distribution box will be installed with the box door for protecting the electric element in the distribution box, and the existing distribution box and the box door are sealed only through simple clamping, and there is a gap between the box door and the distribution cabinet. In humid weather, moisture can enter the distribution box from the gap, which can easily cause damage to the electric elements in the distribution cabinet. UTILITY MODEL CONTENT

[0004] The utility model discloses a door body structure of distribution box to solve the problem in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: the door body structure of distribution box, including the box and the box door, the box door is hinged on one side of the box through the hinge, one side of the box door is fixedly connected with the positioning ring, the surface of the positioning ring is provided with sealing mechanism;

[0006] The sealing mechanism includes a sealing ring fitted on the surface of the positioning ring, the surface of the sealing ring is fixedly connected with a sealing strip, the inside of the sealing strip is provided with an air cavity, the surface of the positioning ring is fixedly connected with a plurality of clamping blocks, and the inner wall of the sealing ring is provided with a clamping groove matched with the clamping blocks.

[0007] The replacement mechanism is movably arranged in the inside of the positioning ring, and the sealing mechanism can be replaced when it is damaged.

[0008] Preferably, the replacement mechanism includes four L-shaped pressing plates arranged on one side of the positioning ring, one side of the L-shaped pressing plate is fixedly connected with a positioning block, one side of the positioning block is threadedly connected with a threaded rod, one end of the threaded rod is fixedly connected with a pressing block, one side of the pressing block is fixedly connected with a friction block, one side of the friction block is in contact with one side of the box door, and one side of the positioning block is provided with a threaded hole matched with the threaded rod.

[0009] Preferably, one end of the threaded rod is fixedly connected with a rotating block, and the surface of the rotating block is provided with a plurality of anti-skid grooves.

[0010] Preferably, one side of the L-shaped pressing plate is fixedly connected with a telescopic rod, and the inner wall of the positioning ring is provided with a telescopic hole matched with the telescopic rod.

[0011] Preferably, four exhaust holes are formed in one side of the sealing strip, and the exhaust holes are in communication with the air cavity.

[0012] Preferably, the number of the sealing strips is four, and the two sides of the sealing strips are trapezoidal.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1、 the utility model discloses a sealing mechanism is set up, can when the box door is closed with the distribution box around the hinge rotation, positioning ring and sealing mechanism will enter the inside of the box, simultaneously sealing strip will first with the box inner wall contact, under the influence of extrusion, the gas in the air cavity in the sealing strip will be exhausted from the exhaust hole, after the box door is completely closed, because the material of sealing strip and sealing ring is rubber, will carry out elastic reset, the gas will again enter the air cavity inside from the exhaust hole, and the sealing strip is lifted, four sealing strips are contacted with the inner wall of the box closely at this time, reach the effect of multilayer sealing, avoid the humidity from the box door gap and enter the inside of the box.

[0015] 2、 the utility model discloses a replacement mechanism is set up, can when sealing ring and sealing strip are damaged, through around the hinge and open the box door, after the rotation of the rotating block is twisted, the rotating block will drive the threaded rod and rotate in the threaded hole, and the threaded rod will drive the pressing block and the friction block and move to the side away from the box door, so that the friction block does not contact the box door, and the restriction of the positioning block and the L-shaped pressing plate is removed, at this time, the L-shaped pressing plate is pulled along the track of the telescopic rod and the telescopic hole, so that the L-shaped pressing plate does not press on the sealing ring, at this time, the sealing ring is pulled outwards, and the sealing ring and the sealing strip can be taken down, then new sealing ring and sealing strip are taken, and the sealing ring is clamped on the surface of the positioning ring, and the clamping block is simultaneously made to enter the inside of the clamping groove, then the L-shaped pressing plate is moved, so that the L-shaped pressing plate limits the position of the sealing ring, and the rotating block is twisted in reverse, so that the rotating block drives the threaded rod to rotate in the threaded hole, and simultaneously drives the pressing block and the friction block to move to the side close to the box door, until the friction block contacts the box door, and the positioning block and the L-shaped pressing plate are limited, and the replacement of the sealing ring and the sealing strip is completed. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the three-dimensional structure schematic diagram in the utility model;

[0017] Figure 2 It is the three-dimensional view of the box door in the utility model;

[0018] Figure 3 It is the three-dimensional structure schematic diagram in the utility model; Figure 2 The partial enlarged view of A in the utility model;

[0019] Figure 4 It is the exploded view of the sealing ring and the positioning ring of the utility model;

[0020] Figure 5 It is the schematic view of the box door section of the utility model;

[0021] Figure 6 It is the perspective view of the sealing ring of the utility model.

[0022] In the figure: 1, box body; 2, box door; 3, positioning ring; 4, sealing ring; 5, sealing strip; 6, air cavity; 7, clamping block; 8, clamping groove; 9, L-shaped pressing plate; 10, positioning block; 11, threaded rod; 12, exhaust hole; 13, pressing block; 14, friction block; 15, threaded hole; 16, rotating block; 17, anti-skid groove; 18, telescopic rod; 19, telescopic hole. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] Please refer to Figure 1 - Figure 6 As shown,

[0025] Embodiment one:

[0026] The door body structure of the distribution box comprises a box body 1 and a box door 2, the box door 2 is hingedly connected to one side of the box body 1, one side of the box door 2 is fixedly connected with a positioning ring 3, and the surface of the positioning ring 3 is provided with a sealing mechanism;

[0027] The sealing mechanism comprises a sealing ring 4 sleeved on the surface of the positioning ring 3, the surface of the sealing ring 4 is fixedly connected with a sealing strip 5, the inside of the sealing strip 5 is provided with an air cavity 6, the surface of the positioning ring 3 is fixedly connected with a plurality of clamping blocks 7, and the inner wall of the sealing ring 4 is provided with clamping grooves 8 matched with the clamping blocks 7;

[0028] The replacement mechanism is movably arranged in the inside of the positioning ring 3, and can replace the sealing mechanism when the sealing mechanism is damaged.

[0029] In this embodiment, the sealing mechanism is arranged to avoid the moisture entering the distribution box from the gap between the distribution box and the door 2. However, considering that the sealing ring 4 and the sealing strip 5 are likely to be damaged after long-term use, the replacement mechanism is arranged to replace the damaged sealing ring 4 and sealing strip 5. The replacement mechanism includes four L-shaped pressing plates 9 arranged on one side of the positioning ring 3. One side of each L-shaped pressing plate 9 is fixedly connected with a positioning block 10. One side of each positioning block 10 is threadedly connected with a threaded rod 11. One end of each threaded rod 11 is fixedly connected with a pressing block 13. One side of each pressing block 13 is fixedly connected with a friction block 14. One side of each friction block 14 is in contact with one side of the door 2. One side of each positioning block 10 is provided with a threaded hole 15 matched with the threaded rod 11.

[0030] One side of each sealing strip 5 is provided with four exhaust holes 12, which are in communication with the air cavity 6.

[0031] In this embodiment, the exhaust holes 12 are arranged to exhaust the air in the air cavity 6 when the sealing strip 5 is in contact with the inner wall of the box body 1, so that the sealing strip 5 can be deformed to enter the box body 1 more easily.

[0032] The number of the sealing strips 5 is four, and each sealing strip 5 is trapezoidal in shape.

[0033] In this embodiment, the four sealing strips 5 are arranged to form four layers of sealing, which can further improve the sealing effect. In addition, the trapezoidal design can facilitate the sealing ring 4 to enter the box body 1.

[0034] Embodiment Two

[0035] On the basis of embodiment one, the sealing mechanism in this embodiment can avoid the moisture entering the distribution box from the gap between the door 2 and the box body 1. However, considering that the sealing ring 4 and the sealing strip 5 are likely to be damaged after long-term use, the replacement mechanism is arranged to replace the damaged sealing ring 4 and sealing strip 5. The replacement mechanism includes four L-shaped pressing plates 9 arranged on one side of the positioning ring 3. One side of each L-shaped pressing plate 9 is fixedly connected with a positioning block 10. One side of each positioning block 10 is threadedly connected with a threaded rod 11. One end of each threaded rod 11 is fixedly connected with a pressing block 13. One side of each pressing block 13 is fixedly connected with a friction block 14. One side of each friction block 14 is in contact with one side of the door 2. One side of each positioning block 10 is provided with a threaded hole 15 matched with the threaded rod 11.

[0036] In this embodiment, the replacement mechanism is arranged to replace the damaged sealing ring 4 and sealing strip 5 when the sealing ring 4 and the sealing strip 5 are damaged. The door 2 is opened around the hinge, and the damaged sealing ring 4 and sealing strip 5 are replaced. Figure 2As shown, then twist the rotating block 16, rotating block 16 will bring the threaded rod 11 in the threaded hole 15 rotation, threaded rod 11 will bring the compression block 13 and friction block 14 to move away from the side of the box door 2, the friction block 14 is not in contact with the box door 2, remove the restriction on the positioning block 10 and L-shaped pressing plate 9, at this time along the track of the telescopic rod 18 and telescopic hole 19 pull L-shaped pressing plate 9, so that the L-shaped pressing plate 9 will not be pressed on the sealing ring 4, at this time pull the sealing ring 4 outward, you can take off the sealing ring 4 and sealing strip 5, then take the new sealing ring 4 and sealing strip 5, align the position of the clamping block 7 and the clamping groove 8, the sealing ring 4 is clamped on the surface of the positioning ring 3, at the same time the clamping block 7 enters the clamping groove 8, then move the L-shaped pressing plate 9, so that the L-shaped pressing plate 9 restricts the position of the sealing ring 4, reverse twist rotating block 16, rotating block 16 will bring the threaded rod 11 in the threaded hole 15 rotation, while driving the compression block 13 and the friction block 14 to move closer to the side of the box door 2, until the friction block 14 is in contact with the box door 2, the restriction on the positioning block 10 and the L-shaped pressing plate 9, complete the replacement of the sealing ring 4 and the sealing strip 5.

[0037] One end of the threaded rod 11 is fixedly connected with the rotating block 16, and the surface of the rotating block 16 is provided with a plurality of anti-skid grooves 17.

[0038] In the embodiment, when the user needs to rotate the threaded rod 11, the rotating block 16 and the anti-skid groove 17 can provide a grasping point for the user, so that the user can easily rotate the threaded rod 11.

[0039] One side of the L-shaped pressing plate 9 is fixedly connected with the telescopic rod 18, and the inner wall of the positioning ring 3 is provided with the telescopic hole 19 used in cooperation with the telescopic rod 18.

[0040] In the embodiment, the telescopic rod 18 and the telescopic hole 19 can limit the L-shaped pressing plate 9 to slide only along the track of the telescopic rod 18 and the telescopic hole 19, so as to avoid the phenomenon that the L-shaped pressing plate 9 deviates.

[0041] Working principle: when the box door 2 rotates around the hinge to close the distribution box, the positioning ring 3 and the sealing mechanism will enter the inside of the box body 1, at the same time, the sealing strip 5 will first contact the inner wall of the box body 1, under the influence of extrusion, the gas in the air cavity 6 of the sealing strip 5 will be discharged from the exhaust hole 12, after the box door 2 is completely closed, because the material of the sealing strip 5 and the sealing ring 4 is rubber, it will be elastically reset, the gas will enter the air cavity 6 inside again through the exhaust hole 12, and lift the sealing strip 5, at this time the four sealing strips 5 are in close contact with the inner wall of the box body 1, achieving the effect of multi-layer sealing, avoiding moisture from entering the inside of the box body 1 through the gap between the box door 2;

[0042] When the sealing ring 4 and the sealing strip 5 are damaged, open the box door 2 around the hinge, Figure 2As shown, then twist rotating block 16, rotating block 16 will drive threaded rod 11 to rotate in threaded hole 15, threaded rod 11 will drive pressing block 13 and friction block 14 to move away from the side of the box door 2, so that friction block 14 does not contact the box door 2, remove the restriction on the positioning block 10 and L-shaped pressing plate 9, at this time along the track of telescopic rod 18 and telescopic hole 19 pull L-shaped pressing plate 9, so that L-shaped pressing plate 9 will not be pressed on the sealing ring 4, at this time pull the sealing ring 4 outward, you can take down the sealing ring 4 and sealing strip 5, then take the new sealing ring 4 and sealing strip 5, align the position of the clamping block 7 and the clamping groove 8, clamp the sealing ring 4 on the surface of the positioning ring 3, at the same time make the clamping block 7 enter the clamping groove 8, then move L-shaped pressing plate 9, so that L-shaped pressing plate 9 limits the position of the sealing ring 4, reverse twist rotating block 16, rotating block 16 will drive threaded rod 11 to rotate in threaded hole 15, at the same time drive pressing block 13 and friction block 14 to move close to the side of the box door 2, until the friction block 14 contacts the box door 2, restrict the positioning block 10 and L-shaped pressing plate 9, complete the replacement of the sealing ring 4 and the sealing strip 5.

[0043] In this document, relational terms such as first and second and the like can 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. Moreover, 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 can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0044] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the changes in the embodiments, the substitution of equivalents and the variations of the methods of the present application described herein can be made by those skilled in the art without departing from the spirit and scope of the present application as defined in the following claims.

Claims

1. A door structure of a distribution box, comprising a box body (1) and a box door (2), the box door (2) is hinged to one side of the box body (1) through a hinge, characterized in that: One side of the box door (2) is fixedly connected with a positioning ring (3), and the surface of the positioning ring (3) is provided with a sealing mechanism. The sealing mechanism comprises a sealing ring (4) sleeved on the surface of the positioning ring (3), the surface of the sealing ring (4) is fixedly connected with a sealing strip (5), the inside of the sealing strip (5) is provided with an air cavity (6), the surface of the positioning ring (3) is fixedly connected with a plurality of clamping blocks (7), and the inner wall of the sealing ring (4) is provided with a clamping groove (8) matched with the clamping block (7). The replacement mechanism is movably arranged in the inside of the positioning ring (3), and the sealing mechanism can be replaced when it is damaged.

2. The door structure of an electrical distribution box according to claim 1, wherein: The replacement mechanism comprises four L-shaped pressing plates (9) arranged on one side of the positioning ring (3), one side of the L-shaped pressing plate (9) is fixedly connected with a positioning block (10), one side of the positioning block (10) is threadedly connected with a threaded rod (11), one end of the threaded rod (11) is fixedly connected with a pressing block (13), one side of the pressing block (13) is fixedly connected with a friction block (14), one side of the friction block (14) is in contact with one side of the box door (2), and one side of the positioning block (10) is provided with a threaded hole (15) matched with the threaded rod (11).

3. The door structure of an electrical distribution box according to claim 2, wherein: One end of the threaded rod (11) is fixedly connected with a rotating block (16), and the surface of the rotating block (16) is provided with a plurality of anti-skid grooves (17).

4. The door structure of an electrical distribution box according to claim 2, wherein: One side of the L-shaped pressing plate (9) is fixedly connected with a telescopic rod (18), and the inner wall of the positioning ring (3) is provided with a telescopic hole (19) matched with the telescopic rod (18).

5. The door structure of an electrical distribution box according to claim 1, wherein: One side of the sealing strip (5) is provided with four exhaust holes (12), and the exhaust holes (12) are in communication with the air cavity (6).

6. The door structure of an electrical distribution box according to claim 1, wherein: The number of the sealing strip (5) is four, and both sides are trapezoidal.

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