CN215073308U - Hidden hinge waterproof construction and rack of using thereof - Google Patents

Abstract

The utility model provides a hidden hinge waterproof structure and a cabinet applied by the hidden hinge waterproof structure, wherein the cabinet comprises a cabinet body, a cabinet door and a hinge for hinging the cabinet body and the cabinet door; the waterproof structure includes: the waterproof part is fixedly connected with the side, close to the hinge, of the cabinet body and is provided with an inclined part which forms a sealing groove with the cabinet door in a closed state of the cabinet door; the sealing part is fixedly connected with the side, close to the hinge, of the cabinet door; and the sealing part is connected with the middle section of the inclined part in the closing process of the cabinet door and then continuously moves to the closing state of the cabinet door; the sealing part and the waterproof part jointly seal the hinge in the cabinet. The hinge of the cabinet provided by the utility model can not be affected by the external environment; the appearance is more beautiful; the possibility of extrusion displacement between the edge of the cutting edge of the water guide groove and the sealing strip is eliminated, the extrusion displacement of the sealing strip in the door opening and closing movement process is reduced, and the service life of the sealing strip is prolonged; set up the sponge strip and prevent that cabinet door and cabinet body collision from damaging the possibility of rack.

Description

Hidden hinge waterproof construction and rack of using thereof

Technical Field

The utility model relates to a mechanical structure field especially relates to a hidden hinge waterproof construction and rack of using thereof.

Background

In order to solve the waterproof problem, the equipment in the current market mainly provides three types of external hinge sealing cabinets, welding hinge sealing cabinets and hidden hinge waterproof cabinets. However, the external hinge sealed cabinet is less used for pursuing the simplicity and beauty of the appearance and the theft and prying prevention. The welded hinge sealed cabinet generally needs to be specially provided with a notch to avoid the interference of the maintenance door on the hinge, so that the strength of the maintenance door is influenced, the internal hinge can be visible within a certain range, the attractiveness is insufficient, and the anti-theft and anti-prying functions are limited; the hinge of the welding type cabinet is positioned in the water guide area, so that the service life of the welding type cabinet is adversely affected; moreover, the welding process is usually completed by manual welding and the consistency of products is poor due to the limitation of the current market scale and processing equipment of processors. In addition, the existing waterproof cabinet with the hidden hinge has the problems that the displacement between the sealing strip and the flange on the maintenance door is large when the hinge is closed, the sealing strip is very easy to extrude by the flanging knife edge of the water guide groove, the sealing strip is seriously abraded, and the quality problem that the sealing strip on the hinge side drops is very easy to occur.

SUMMERY OF THE UTILITY MODEL

In view of the above shortcomings of the prior art, the present invention provides a hidden hinge waterproof structure and a cabinet using the same to solve the technical problems existing in the prior art.

In order to achieve the above and other related objects, a first aspect of the present invention provides a hidden hinge waterproof structure for a cabinet, the cabinet including a cabinet body, a cabinet door, and a hinge for hinging the cabinet body and the cabinet door; the waterproof structure includes: the waterproof part is fixedly connected with the side, close to the hinge, of the cabinet body and is provided with an inclined part which forms a sealing groove with the cabinet door in a closed state of the cabinet door; the sealing part is fixedly connected with the side, close to the hinge, of the cabinet door; and the sealing part is connected with the middle section of the inclined part in the closing process of the cabinet door and then continuously moves to the closing state of the cabinet door; the sealing part and the waterproof part jointly seal the hinge in the cabinet.

In a preferred embodiment of the present invention, the inclined portion extends to form a protection portion inclined inward, wherein an inclination angle of the protection portion is greater than an inclination angle of the inclined portion.

In the preferred embodiment of the present invention, the cabinet door is an integrated bending structure.

In a preferred embodiment of the present invention, the waterproof portion is an integral bending structure extending from the cabinet body; and the bending structure of the cabinet door is opposite to the bending structure of the waterproof part.

The utility model discloses in the embodiment of preferred, the cabinet door is panel beating integration bending structure.

In the preferred embodiment of the present invention, the hinge is provided with a buffering portion for realizing the soft contact between the hinge and the waterproof portion when the cabinet door is opened to the maximum.

In the preferred embodiment of the present invention, the waterproof part side is provided with a buffer contact surface for realizing the soft contact of the hinge with the waterproof part.

In the preferred embodiment of the present invention, the hinge is detachably connected to the cabinet door.

In a preferred embodiment of the present invention, the waterproof portion includes a V-shaped drainage groove.

To achieve the above and other related objects, a second aspect of the present invention provides a cabinet, including: a cabinet body; the cabinet door is connected with the cabinet body through a hinge; and the hidden hinge waterproof structure.

As described above, the utility model relates to a hidden hinge waterproof construction and rack of using thereof has following beneficial effect: the hinge is sealed in the cabinet, so that the hinge is not influenced by outdoor environment such as wind, snow, rain and frost, and the service life of the hinge is longer; the hinge motion area of the waterproof mechanism is completely free of notch avoidance, so that the appearance is more attractive; the cabinet door without the notch is formed by integrally bending a metal plate, the strength of the cabinet door is enhanced by the whole circle of bent edges, and technical guarantee is provided for the cabinet door to be made of a thinner steel plate; the hidden hinge in the waterproof area is completely hidden, so that the risk that the hinge is maliciously damaged by prying is avoided; the sealing strip and the waterproof flange do not have a knife edge to extrude the sealing strip when the door is opened or closed, and the relative displacement between the sealing strip before and after the door is closed and the flange of the V-shaped drainage ditch is smaller, so that the possibility of extrusion displacement between the knife edge of the drainage ditch and the sealing strip is eliminated, the extrusion displacement of the sealing strip in the door opening and closing motion process is reduced, and the service life of the sealing strip is prolonged; set up buffering sponge strip on hinge or escape canal groove, play the possibility that prevents cabinet door and cabinet body collision damage rack, promoted the life of rack.

Drawings

Fig. 1-1 is a schematic view showing a cabinet with a welded hidden hinge according to an embodiment of the present invention

Fig. 1-2 show a schematic opening view of a cabinet with a welded hidden hinge according to an embodiment of the present invention.

Fig. 1-3 show schematic external views of a cabinet with a welded hidden hinge according to an embodiment of the present invention.

Fig. 2-1 is a schematic view showing a door opening of a fully concealed cabinet without a notch hinge according to an embodiment of the present invention.

Fig. 2-2 are schematic diagrams illustrating a door closing of a fully concealed cabinet without a notch hinge according to an embodiment of the present invention.

Fig. 3-1 is a schematic structural view of a cabinet with a hidden hinge waterproof mechanism according to an embodiment of the present invention in a half-open state.

Fig. 3-2 is a schematic structural view of a cabinet with a hidden hinge waterproof mechanism according to an embodiment of the present invention in a closed state.

Fig. 3-3 are schematic structural diagrams illustrating a cabinet with a hidden hinge waterproof mechanism according to an embodiment of the present invention in a fully opened state.

Fig. 4-1 shows a front view of a charging pile cabinet according to an embodiment of the present invention.

Fig. 4-2 shows a side view of a charging pile cabinet according to an embodiment of the present invention.

Fig. 5-1 is a front view of a power distribution cabinet according to an embodiment of the present invention.

Fig. 5-2 shows a side view of a power distribution cabinet according to an embodiment of the present invention.

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. The following detailed description is not to be taken in a limiting sense, and the scope of embodiments of the present invention is defined only by the claims of the issued patent. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Spatially relative terms, such as "upper," "lower," "left," "right," "lower," "below," "lower," "above," "upper," and the like, may be used herein to facilitate describing one element or feature's relationship to another element or feature as illustrated in the figures.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," "retained," and the like 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.

Also, as used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context indicates otherwise. It will be further understood that the terms "comprises," "comprising," and/or "comprising," when used in this specification, specify the presence of stated features, operations, elements, components, items, species, and/or groups, but do not preclude the presence, or addition of one or more other features, operations, elements, components, items, species, and/or groups thereof. The terms "or" and/or "as used herein are to be construed as inclusive or meaning any one or any combination. Thus, "A, B or C" or "A, B and/or C" means "any of the following: a; b; c; a and B; a and C; b and C; A. b and C ". An exception to this definition will occur only when a combination of elements, functions or operations are inherently mutually exclusive in some way.

The utility model provides a hidden hinge waterproof construction and rack of using thereof to promote waterproof performance, theftproof performance and the life of rack.

In order to make the objects, technical solutions and advantages of the present invention more clearly apparent, the technical solutions in the embodiments of the present invention are further described in detail through the following embodiments in combination with the accompanying drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

The present embodiment first describes two typical waterproof cabinets on the market.

Fig. 1-1, fig. 1-2 and fig. 1-3 are schematic diagrams illustrating a cabinet with a notch and a welded hidden hinge suitable for outdoor use, where fig. 1-1 is a schematic diagram illustrating a door of the cabinet with the welded hidden hinge, fig. 1-2 is a schematic diagram illustrating a door of the cabinet with the welded hidden hinge, and fig. 1-3 is a schematic diagram illustrating an external portion of the cabinet with the welded hinge. The cabinet shown in the figures 1-1, 1-2 and 1-3 adopts a welding hidden hinge with a notch, a sealing strip and a water guide structure, and is characterized in that the notch avoiding treatment is carried out at the position of a maintenance door hinge in order to avoid the door interference hinge. As can be seen from fig. 1-1, 1-2 and 1-3, the welded concealed hinge waterproof cabinet comprises: a hinge notch 11 opened on the cabinet door 10 (i.e., the maintenance door); the cabinet door reinforcing welding plate 12 is welded on the inner side of the cabinet door 10 and used for compensating the weakening of the strength of the cabinet door due to the arrangement of the hinge notch 11; the hinge shaft 13 is fixed on the cabinet door 10; the hidden hinge 14 is respectively connected with the cabinet door 10 and the cabinet body and welded at the hinge welding end 15; a water drainage and pouring groove 16, which extends outwards from the inner side of the hinge of the cabinet body to form a bending structure; the sealing strip 17 is respectively connected with the drainage and water pouring groove 16 and the cabinet door 10 to realize waterproof sealing of the cabinet.

However, such a welding concealed hinge waterproofing mechanism has the following disadvantages: the notches at the hinges affect the strength of the maintenance door, forcing the maintenance door to adopt thicker plates or to be matched with other local reinforcing measures (such as a cabinet door reinforcing welded plate 12 in fig. 1-1); under a certain scene or angle, the internal hinge can be seen at the cut, so that the appearance is poor, and the anti-theft and anti-prying effects cannot be effectively achieved; the hinge structure is positioned in the water guide area, and the hinge service life is low due to friction between the hinge pin and the welding hinge coating during long-term maintenance of opening and closing the cabinet door; the welding process is usually finished by manual welding, and the consistency of products is poor.

Fig. 2-1 and 2-2 are schematic views illustrating another conventional fully concealed cabinet without a notch hinge suitable for indoor use, wherein fig. 2-1 is a schematic view illustrating the opening of the fully concealed cabinet without a notch hinge, and fig. 2-2 is a schematic view illustrating the closing of the fully concealed cabinet without a notch hinge. As can be seen from fig. 2-1 and 2-2, it includes: a cabinet body 21; the cabinet door 22 is connected with the cabinet body 21 through a hinge, wherein the fixed hinge 23 is fixedly connected with the cabinet body 21, one end of the movable hinge 24 is connected with the fixed hinge 23 through a hinge shaft 25, and the other end of the movable hinge is connected with the cabinet door 22; the drainage groove 26 is arranged on the outer side of the hinge and is sealed in the cabinet together with the sealing strip 27, so that the waterproof sealing of the cabinet and the hinge is realized.

However, if the structure is applied to an outdoor cabinet, the disadvantages are particularly obvious: for example, when the door is closed, the displacement between the sealing strip 27 on the cabinet door 22 and the rib 261 of the drainage groove 26 is large, and when the door is closed, the edge of the rib 261 of the drainage groove 26 easily extrudes the sealing strip 27, which causes severe abrasion of the sealing strip, and the quality problem that the sealing strip on the hinge side drops is very easy to occur.

In view of the above problems of the existing outdoor cabinet and indoor cabinet, the present embodiment provides a concealed hinge waterproof structure which is suitable for indoor and outdoor use and effectively overcomes the above drawbacks.

As shown in fig. 3-1, 3-2 and 3-3, the present embodiment provides a hidden hinge waterproof mechanism applied to a cabinet. Fig. 3-1 is a schematic structural diagram of the cabinet in a half-open state, fig. 3-2 is a schematic structural diagram of the cabinet in a closed state, and fig. 3-3 is a schematic structural diagram of the cabinet in a full-open state. The cabinet comprises a cabinet body 31, a cabinet door 32 and a hinge 33 for hinging the cabinet body 31 and the cabinet door 32; the hidden hinge waterproof construction that this embodiment proposed includes: a waterproof part 34 and a sealing part 35, wherein the waterproof part 34 is fixedly connected with the side of the cabinet body 31 close to the hinge, and is provided with an inclined part 341 which forms a sealing groove with the cabinet door 32 in a closed state; the sealing part 35 is fixedly connected with the side, close to the hinge, of the cabinet door 32, and the sealing part 35 is connected with the middle section of the inclined part 341 and then continuously moves to the closing state of the cabinet door in the closing process of the cabinet door 32; the sealing portion 35 and the waterproof portion 34 together seal the hinge 33 in the cabinet.

In some examples, the waterproof portion 34 is a V-shaped drain groove, and the inclined portion 341 is an inward folded edge, and the distance between the inclined portion 341 and the cabinet door is gradually decreased in the closed state of the cabinet door, so that the sealing portion 35 is gradually pressed and the deformation degree is gradually increased during the door closing process to the final position (i.e., the position shown in fig. 3-2). And, sealing part 35 meets with the interlude of rake 341 at first in the cabinet door closing process to when the tail end of rake is the tail end of waterproof portion, can effectively avoid the edge of a knife position of tail end, thereby avoid the sealing strip to be damaged or drop, and then influence the waterproof performance of rack. And, when having effectively reduced and closing the door, the displacement volume after sealing strip meets with waterproof portion to reduce the wearing and tearing volume of sealing strip, promoted the sealing strip yields under this structure greatly.

In some examples, the hinge 33 includes a fixed hinge 331, a movable hinge 332, and a hinge pin 333, wherein the fixed hinge 331 is fixedly connected with the cabinet 31, and the hinge pin 333 is connected with the fixed hinge 331 and the movable hinge 332, respectively. Preferably, the movable hinge 332 is detachably connected to the cabinet door 32, so as to facilitate later maintenance of the cabinet, such as replacement of the cabinet door. Wherein, detachable connection includes: threaded connection, pin connection, snap connection, etc., and threaded connection is preferred to this embodiment, taking into account steadiness and flexibility. The hinge provided by the embodiment does not need welding, is prevented from being limited by the current market scale and processing equipment of a processing manufacturer, and improves the consistency of products. Further, the hinge 33 is installed on the main frame of the cabinet 31, and the hinge shaft 332 is located inside a corner of the main frame, and the waterproof part is formed by bending the main frame outward, so as to better protect the hinge and prolong the service life of the hinge.

In the preferred embodiment of the present invention, the inclined portion 341 extends to form an inward inclined protection portion 342, wherein the inclination angle of the protection portion 342 is greater than that of the inclined portion 341. Specifically, in some examples, one hem is formed again on the basis of the inward hem of the drainage groove, so that the hem knife edge is prevented from directly touching the sealing strip due to the problem of machining precision to the maximum extent, the movement displacement of the sealing strip and the drainage groove is reduced, the service life of the sealing strip is prolonged,

in the preferred embodiment of the present embodiment, the cabinet door 32 is an integral bending structure. Because this structure need not to set up the incision on the cabinet door, consequently can choose for use integration bending structure, strengthens the intensity of cabinet door through the limit of bending of whole circle, adopts more frivolous panel to provide technical guarantee for the cabinet door. Cold rolled steel doors, alloy doors, etc. are optional. The preferred panel beating integration bending structure's of this embodiment cabinet door, it has light in weight, intensity height, electrically conductive (can be used for the electromagnetic shield), with low costs, characteristics such as extensive volume production performance is good.

In the preferred embodiment of the present embodiment, the waterproof portion 34 is an integral bending structure extending from the cabinet 31; that is, the cabinet is integrally connected to the cabinet body 31, and the bending structure of the cabinet door is disposed opposite to the bending structure of the waterproof portion. Specifically, as shown in fig. 3-2, the inward bending structure of the cabinet door and the bending structure of the waterproof portion extend inward and outward to form an annular structure, respectively. Preferably, the folded tail end of the cabinet door is made to cross over the folded tail end of the waterproof part so as to further improve the waterproof effect of the structure.

In a preferred embodiment of this embodiment, the hidden hinge waterproof structure includes a buffering portion 36, which can be disposed on the hinge or on the waterproof portion, when the cabinet door is opened to a certain extent (for example, as shown in fig. 3-3, the cabinet door is opened to the maximum), the hinge 33 is connected with the waterproof portion 34, the buffering portion 36 can achieve soft contact between the hinge and the waterproof portion, so as to prevent the cabinet door from colliding with the cabinet body to damage the cabinet, and prolong the service life of the cabinet. Alternatively, the buffer 36 may be made of sponge, bubble film, rubber, latex, foam, or the like; specifically, 36 accessible sticky tape of buffering portion, magic are pasted, the sponge is glued, is perforated etc. and the preferred sponge of this embodiment is pasted the buffering sponge on the hinge, and the side correspondence of waterproof portion 34 is equipped with the buffering contact surface, effectively alleviates the impact force that probably received such as cabinet door, the cabinet body or hinge when closing the door to simple easy operation.

In some examples, the waterproof portion 34 is a V-shaped drainage groove structure with an inclination and arranged outside the hinge, so that not only the effect of hiding the hinge can be achieved, but also the hinge is not required to be provided to avoid the notch, and the sealing strip is prevented from being damaged by the edge of the tail end of the drainage groove through the arrangement of the inclination angle of the V-shaped drainage groove, so that the service life of the sealing strip is prolonged.

In some examples, the seal 35 is mounted to the cabinet door, and the seal 35 faces a middle portion of the drain channel. Among them, the sealing portion 35 is preferably an integral foamed sealing tape, such as an Ethylene Propylene Diene Monomer (EPDM) foamed sealing tape, a silicone foamed sealing tape, a PU foamed sealing tape, or the like. The foaming sealing strip has good elasticity and resistance to compression deformability and size precision height, is particularly useful for the utility model discloses extrusion sealing to the fashioned sealing strip structure of integral type is more stable, and sealing performance is better.

As shown in fig. 4-1 and 4-2, another embodiment of the present invention provides an appearance schematic diagram of a cabinet, where fig. 4-1 is a front view of the cabinet, and fig. 4-2 is a side view of the cabinet. This rack includes: the cabinet body 41, the cabinet door 42 and the hidden hinge waterproof structure (hidden in the cabinet, not shown) are provided, wherein the cabinet door and the cabinet body are connected by a hinge, and the cabinet body has no hinge notch. Optionally, the cabinet may be a charging pile cabinet, a power distribution cabinet, a control cabinet, a communication cabinet, and the like, fig. 4-1 and 4-2 are examples of the charging pile cabinet, and fig. 5-1 and 5-2 are examples of the power distribution cabinet, where fig. 5-1 is a front view of the power distribution cabinet, and fig. 5-2 is a side view of the power distribution cabinet. However, the present embodiment does not specifically limit the type of the cabinet.

In summary, the hinge of the cabinet provided by the utility model is sealed in the cabinet, and is not affected by the environment of outdoor wind, snow and frost, and the service life of the hinge is longer; the hinge motion area of the waterproof mechanism is completely free of notch avoidance, so that the appearance is more attractive; the cabinet door without the notch is formed by integrally bending a metal plate, the strength of the cabinet door is enhanced by the whole circle of bent edges, and technical guarantee is provided for the cabinet door to be made of a thinner steel plate; the sealing strip and the waterproof flange do not have a knife edge to extrude the sealing strip when the door is opened or closed, and the relative displacement between the sealing strip before and after the door is closed and the flange of the V-shaped drainage ditch is smaller, so that the possibility of extrusion displacement between the knife edge of the drainage ditch and the sealing strip is eliminated, the extrusion displacement of the sealing strip in the door opening and closing motion process is reduced, and the service life of the sealing strip is prolonged; set up buffering sponge strip on hinge or escape canal groove, play the possibility that prevents cabinet door and cabinet body collision damage rack, promoted the life of rack. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims (10)

1. The hidden hinge waterproof structure is characterized by being applied to a cabinet, wherein the cabinet comprises a cabinet body, a cabinet door and a hinge for hinging the cabinet body and the cabinet door; the waterproof structure includes:

the waterproof part is fixedly connected with the side, close to the hinge, of the cabinet body and is provided with an inclined part which forms a sealing groove with the cabinet door in a closed state of the cabinet door;

the sealing part is fixedly connected with the side, close to the hinge, of the cabinet door; and the sealing part is connected with the middle section of the inclined part in the closing process of the cabinet door and then continuously moves to the closing state of the cabinet door; the sealing part and the waterproof part jointly seal the hinge in the cabinet.

2. The concealed hinge waterproof structure according to claim 1, wherein the inclined portion extends with a guard portion inclined inward, wherein an inclination angle of the guard portion is larger than an inclination angle of the inclined portion.

3. The concealed hinge waterproof structure according to claim 1, wherein the cabinet door is an integral bending structure.

4. The concealed hinge waterproof structure according to claim 3, wherein the waterproof portion is an integral bent structure extending from the cabinet body; and the bending structure of the cabinet door is opposite to the bending structure of the waterproof part.

5. The hidden hinge waterproof structure as claimed in claim 3, wherein the cabinet door is of a sheet metal integral bent structure.

6. The concealed hinge waterproofing structure according to claim 1, wherein the hinge is provided with a buffer portion for achieving soft contact of the hinge with the waterproofing portion when the cabinet door is opened to the maximum.

7. The concealed hinge waterproof structure according to claim 6, wherein the waterproof portion is provided with a buffer contact surface at a side edge thereof for soft contact of the hinge with the waterproof portion.

8. The concealed hinge waterproof structure according to claim 1, wherein the hinge is detachably connected to the cabinet door.

9. The concealed hinge waterproofing structure according to claim 1, wherein the waterproofing portion comprises a V-shaped drainage groove.

10. A cabinet, comprising:

a cabinet body;

the cabinet door is connected with the cabinet body through a hinge;

and the concealed hinge waterproof structure according to any one of claims 1 to 9.

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