CN207652810U - Electric control box - Google Patents

Abstract

The utility model discloses an electric cabinet relates to the electrical control equipment field for realize being connected of box and case lid portably. The electric cabinet comprises a cabinet body and a cabinet cover, wherein two opposite edges of the cabinet body and the cabinet cover are respectively provided with a plug-in structure matched with each other. Above-mentioned technical scheme adopts the grafting between box and the case lid, simple structure, and simple to operate is swift.

Description

Electric control box

Technical Field

The utility model relates to an electrical equipment field, concretely relates to electric cabinet.

Background

At present, in the field of current transformation, along with the development of high-power density and high-power current transformers, a power module unit generates heat seriously, and the heat productivity of an electric control box body in unit volume is larger and larger. Traditional high calorific capacity electric cabinet adopts the combination of panel beating with aluminium system radiating fin to dispel the heat, and this kind of electric cabinet wholeness is relatively poor, needs to use more fix with screw, and the packaging efficiency is low, takes trouble hard to the heat conductivility of panel beating and aluminium system fin has the difference, can lead to hot gathering and uneven temperature in the electric cabinet.

Traditional electric cabinet panel need use the fix with screw, and the assembly nature is poor, and packaging efficiency is low, takes trouble hard, and the outward appearance wholeness is poor. If the mode of the hinge and the lock catch is adopted, the hinge needs to be welded, the lock catch needs to be added, and the cost is increased.

The inventor finds that at least the following problems exist in the prior art: in order to solve the heat dissipation problem of electric cabinet, a scheme is proposed at present that an all-aluminum box body is adopted as the electric cabinet, and a novel panel structure and a novel mounting mode are needed to meet the requirement of the aluminum-plastic electric cabinet for guaranteeing the integrity and the assembly performance of the aluminum-plastic electric cabinet.

SUMMERY OF THE UTILITY MODEL

One of the purposes of the utility model is to provide an electric cabinet for realize being connected of box and case lid portably.

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

the utility model provides an electric cabinet, comprising a box body and a box cover, the box with two relative edges of box cover all are equipped with the grafting structure of mutually supporting.

In an optional embodiment, one end of the box body is provided with a first groove, and the corresponding end of the box cover is provided with a first bulge; the other end of the box body is provided with a second groove, and the corresponding end of the box cover is provided with a second bulge;

the first protrusion is arranged in the first groove, the second protrusion is arranged in the second groove, and the depth of the first groove is larger than that of the second groove.

In an optional embodiment, the electric cabinet further comprises a connecting member, the connecting member is arranged outside the box cover and the box body, and the connecting member is used for clamping the box cover and the box body.

In an alternative embodiment, the connecting member is rotatably connected to the case body, and the connecting member applies a force to the case cover toward the case body; or,

the connecting piece is rotatably connected with the box cover, and the connecting piece applies force to the box body towards the box cover.

In an optional embodiment, the connecting member includes a connecting body and an elastic member, the connecting body is rotatably connected with the box body, the elastic member is clamped between the connecting body and the box body, the first clamping portion of the connecting body and the elastic member are located on one side of a rotatable connection, and the second clamping portion of the connecting body is located on the other side of the rotatable connection;

the elastic piece applies a rotating force to the first clamping part to enable the connecting body to rotate relative to the box body, and the second clamping part applies a pressing force to the box cover to enable the box cover to be close to the box body under the action of the rotating force.

In an optional embodiment, a clamping portion is arranged on one side, facing the box body, of the box cover, the clamping portion is in surface contact with a second clamping portion of the connecting body, and a contact surface of the clamping portion and the second clamping portion is parallel to the extending direction of the box cover.

In an alternative embodiment, a step portion is arranged outside the box body, the step portion is in surface contact with the first clamping portion, and the direction of the contact surface of the step portion and the first clamping portion is perpendicular to the extending direction of the box cover.

In an alternative embodiment, the connecting body and the box body are in spherical contact to realize rotatable connection.

In an alternative embodiment, a clamping groove is formed in the side surface, facing the box body, of the box cover, and the edge of the box body is clamped in the clamping groove.

In an alternative embodiment, the part of the box body clamped in the clamping groove is provided with an inner concave part, and a sealing part is arranged in the inner concave part.

In an alternative embodiment, the box is of aluminium alloy.

In an alternative embodiment, the cover is an aluminum alloy.

Based on the technical scheme, the embodiment of the utility model provides a can produce following technological effect at least:

after the connection mode is adopted, two positions are arranged between the box body and the box cover, the first position is that the bulge on the upper edge of the box cover is inserted into the groove on the upper edge of the box body, and at the position, the bulge on the lower edge of the box cover and the groove on the lower edge of the box body are not inserted. Then the box cover moves downwards (or the box cover moves downwards under the self gravity when the hand is loosened), and the lower edge of the box cover after moving downwards is convexly clamped into the lower edge groove of the box body. In the moving process, the depth of the upper edge groove is ensured to be larger than that of the lower edge groove, so that the box body and the box cover can be kept in a connected state after moving downwards, and of course, other structures can be arranged to ensure that the box body and the box cover cannot be separated after directly moving downwards, for example, a limiting part is added. Above-mentioned technical scheme adopts the grafting between box and the case lid, simple structure, and simple to operate is swift.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

fig. 1 is a schematic perspective view of an electric cabinet according to an embodiment of the present invention;

fig. 2 is an exploded schematic view of an electric cabinet provided in an embodiment of the present invention;

FIG. 3 is a side schematic view of the appliance shown in FIG. 2;

FIG. 4 is an enlarged view of part A of FIG. 3;

FIG. 5 is an enlarged view of part B of FIG. 3;

FIG. 6 is a schematic top view of the electric cabinet shown in FIG. 2;

FIG. 7 is a schematic cross-sectional view C-C of FIG. 6;

fig. 8 is a partially enlarged view of D of fig. 7.

Reference numerals: 1. a box body; 2. a box cover; 3. a connecting member; 4. a seal member; 11. a first groove; 12. a second groove; 13. a step portion; 14. an inner concave portion; 21. a first protrusion; 22. a second protrusion; 23. a clamping part; 24. clamping the groove; 31. a connecting body; 32. an elastic member; 311. a first retaining part; 312. a second clamping part.

Detailed Description

The technical solution provided by the present invention will be explained in more detail with reference to fig. 1 to 8.

Referring to fig. 1 to 5, an embodiment of the present invention provides an electric cabinet, which includes a box body 1 and a box cover 2, wherein the box body 1 is connected to the box cover 2 by two opposite edges in an inserting manner. Taking the case of forming the inserting structures at the upper and lower edges as shown in fig. 3 as an example, the box body 1 and the box body 2 are formed with inserting structures at the upper edge which are matched with each other, for example, one of them is provided with a protrusion, and the other is provided with a groove. The box body 1 and the box body 2 are also formed with mutually matched plug-in structures at the lower edges, for example, one of the plug-in structures is provided with a bulge, and the other plug-in structure is provided with a groove.

After the above connection mode is adopted, there are two positions between the box body 1 and the box cover 2, taking the up-down direction shown in fig. 3 as an example, the first position is to insert the projection of the upper edge of the box cover 2 into the groove of the upper edge of the box body 1, and at this position, the projection of the lower edge of the box cover 2 and the groove of the lower edge of the box body 1 are not inserted. Then the case cover 2 moves downwards (or the case cover 2 moves downwards under the self gravity if the hand is loosened), and the lower edge of the case cover 2 is clamped into the lower edge groove of the case body 1 after the lower edge of the case cover 2 moves downwards. In the moving process, the depth of the upper edge groove is ensured to be larger than that of the lower edge groove, so that the box body 1 and the box cover 2 can keep a connecting state after moving downwards, and of course, other structures can be arranged to ensure that the box body and the box cover can not be separated after directly moving downwards, for example, a limiting part is added.

Above-mentioned technical scheme adopts the grafting between box 1 and the case lid 2, simple structure, and simple to operate is swift.

In an alternative embodiment, one end of the box body 1 is provided with a first groove 11, and the corresponding end of the box cover 2 is provided with a first bulge 21; the other end of the box body 1 is provided with a second groove 12, and the corresponding end of the box cover 2 is provided with a second bulge 22. Wherein, the first protrusion 21 is disposed in the first groove 11, the second protrusion 22 is disposed in the second groove 12, and the depth of the first groove 11 is greater than the depth of the second groove 12.

In order to make the connection between box 1 and case lid 2 more firm, the electric cabinet still includes connecting piece 3, and case lid 2 and the outside of box 1 are located to connecting piece 3, and connecting piece 3 is used for with case lid 2 and box 1 chucking.

The electric cabinet is internally used for installing electrical components. After the connecting member 3 is provided, the case body 1 and the case cover 2 can be directly and stably held together without providing any other connecting structure.

In this embodiment, the connecting member 3 is disposed outside the box body 1 and the box cover 2, and does not penetrate through the box body 1 and the box cover 2, so that the sealing performance of the electric cabinet is not affected unlike a penetrating connection manner such as a bolt. After the connecting piece 3 is installed in place, the clamping of the box body 1 and the box cover 2 is automatically realized, and extra locking and other operations are not needed.

The connecting member 3 can fasten the case body 1 and the case cover 2 together using the principle of leverage. For example, the coupling member 3 is rotatably coupled to the case 1, and the coupling member 3 applies a force to the cover 2 toward the case 1.

Alternatively, the link 3 may be rotatably coupled to the cover 2, and the link 3 applies a force to the case 1 toward the cover 2.

When the size of the box body 1 is obviously larger than that of the box cover 2, the former mode is simpler, more convenient and more stable to install.

Referring to fig. 8, an alternative embodiment is: the connector 3 includes a connector body 31 and an elastic member 32. The connecting body 31 is rotatably connected to the case 1, and the elastic member 32 is interposed between the connecting body 31 and the case 1. The first catch 311 and the elastic member 32 of the connecting body 31 are located at one side of the rotatable connection, and the second catch 312 of the connecting body 31 is located at the other side of the rotatable connection. The elastic member 32 may be a spring or a leaf spring. The resilient member 32 is in a compressed state after installation.

Wherein the elastic member 32 applies a rotational force to the first catch 311 to rotate the connecting body 31 relative to the case 1. The second catch 312 applies a pressing force that causes the cover 2 to approach the case 1 to the cover 2 by the rotational force.

In the above structure, the cover 2 is firmly connected to the case 1 by the elastic force of the elastic member 32.

Referring to fig. 8, a step portion 13 is disposed outside the case 1, the step portion 13 is in surface contact with the first holding portion 311, and a direction of a contact surface of the step portion 13 and the first holding portion 311 is perpendicular to an extending direction of a surface of the case cover 2. With this structure, the elastic force of the elastic member 32 can be effectively transmitted to the step portion 13.

Referring to fig. 8, a clamping portion 23 is disposed on one side of the case cover 2 facing the case body 1, the clamping portion 23 is in surface contact with the second clamping portion 312, and a contact surface between the clamping portion 23 and the second clamping portion 312 is parallel to an extending direction of the case cover 2. The clamping portion 23 is in surface-to-surface contact with the second clamping portion 312, so that the installation is convenient and fast, and the force can be reliably transmitted.

The connecting piece 3 is arranged at the concave part outside the box body 1, the outer surface of the connecting piece 3 is basically parallel and level with the outer surface of the box body 1, and thus the appearance of the whole electric cabinet is more flat and compact.

Referring to fig. 8, the connecting body 31 is rotatably connected to the housing 1 by spherical contact. The connection mode is convenient to install and reliable in connection.

The connecting piece 3 utilizes the lever principle when being locked, the left and the right sides of the box body are both provided with the connecting piece 3, each connecting piece 3 is provided with a rotating fulcrum, the connecting piece 3 is provided with a first clamping part 311 and a second clamping part 312, the connecting piece 3 comprises a spring as an elastic piece 32, before the connecting piece 3 is inserted, the spring is fastened on the connecting body 31 of the connecting piece 3 through a screw, the height of the spring is larger than the distance between the connecting body 31 and the box body 1, the spring is compressed when the connecting piece 3 is inserted into the box body along the rotating fulcrum, the elastic force of the spring can lead the clamping part 23 on the box cover 2 and the second clamping part 312 of the connecting piece 3 to be mutually buckled, the first clamping part 311 of the connecting piece 3 and the step part 13 on the box body to be mutually buckled, under the combined action of two sets of buckles, the function of fastening the box cover 2 and the box body 1 together is realized, and the sealing performance of the box body is improved.

Connect body 31, case lid 2, box 1 all adopt the mode of extrusion, consequently, the fulcrum of rotation of box 1 can be rib form, and the design has corresponding rotation recess on the connecting piece 3, and rotation recess and fulcrum of rotation are mutually supported, and the connecting piece can be followed the upper end or the lower extreme of box and inserted, then connecting piece 3 wholly can be around the fulcrum rotation.

When the cover 2 is to be removed, the connecting members 3 on both sides are simultaneously pressed.

Referring to fig. 8, the side of the case cover 2 facing the case body 1 is provided with a chucking groove 24, and the edge of the case body 1 is chucked in the chucking groove 24. Taking the upper and lower parts shown in fig. 3 as an example, the clamping grooves 24 are located on the side edges of the case cover 2, and the edges where the case cover 2 and the case body 1 are inserted into each other are the upper and lower edges.

Case lid 2 is equipped with chucking recess 24 towards the side of box 1, and chucking recess 24 plays horizontal spacing effect with the cooperation of box 1, and noise abatement and increase structural life have improved assembly efficiency.

Referring to fig. 8, the portion of the case 1 caught in the catching groove 24 is provided with an inner recess 14, and the sealing member 4 is provided in the inner recess 14.

The sealing member 4 includes a packing or the like. By adopting the box cover and the sealing element 4 with the structure, the electric control box can reach the protection level of IP 65.

The specific structure of the electric cabinet in this embodiment is described in detail below with reference to the accompanying drawings.

As shown in fig. 1 and 2, it mainly includes a case 1, a case cover 2 and a connector 3. As shown in fig. 3 and 4, the connector 3 and the case 1 are assembled together, and then the cover 2 is mounted. The box body 1, the connecting piece 3, the box cover 2 and other main structures are made of aluminum alloy, so that the overall heat dissipation performance of the aluminum-plastic electric cabinet is greatly improved.

As shown in fig. 3 and 4, the upper edge of the case cover 2 is pushed into the upper groove of the case body 1 to be pushed to a proper position, in fig. 5, the case cover 2 can be tightly attached to the case body 1, the lower edge of the case cover 2 can be embedded into the lower clamping groove of the case body 1 due to gravity or artificial moving, and at the moment, the upper edge of the case cover 2 is still in the upper groove of the case body 1, so that the case cover 2 cannot be separated from the case body 1. In fig. 4, the connecting piece 3 is embedded into the groove on the box cover 2, because the aluminum-plastic electric control box is of a symmetrical structure, the other side is assembled with the box cover 2 by the same connecting piece 3, thereby achieving the effect of fixing the box cover 2.

When case lid 2 is opened to needs, only need press the connecting piece 3 on electric cabinet both sides (connecting piece 3 is the rigidity material, non-deformable, presses connecting piece 3 toward the direction of pressing in figure 8, makes connecting piece 3 rotate like the lever, makes it break away from 2 draw-in grooves of case lid and remove case lid 2 to suitable position again and can take off case lid 2.

In fig. 4 and 5, the distance X from the edge of the case cover 2 to the upper slot surface of the case body 1 is larger than the value of the projection length Y of the lower edge of the case cover 2, so that the case cover 2 can be smoothly pushed into the slot of the case body 1, and the interference between the lower edge of the case cover 2 and the lower slot of the case body 1 is avoided.

In fig. 4, the back ribs (clamping grooves 24) of the box cover 2 are matched with the box body 1 to play a transverse limiting role, the back ribs are tightly attached to the box body 1, the motion amplitude of the box cover 2 in the transportation process of the aluminum-plastic electric control box or under the vibration working condition is reduced, the structure is adopted to reduce noise and prolong the structural life, and meanwhile, the back ribs of the box cover 2 can play a role in positioning, so that the box cover 2 is more conveniently installed, and the assembly efficiency is improved.

In fig. 8, a sealing rubber strip (sealing element 4) is additionally arranged on a groove on the plane where the box body 1 is contacted with the box cover 2, so that the aluminum-plastic electric cabinet can reach the protection grade of IP65, and the aluminum-plastic electric cabinet can adapt to various severe working occasions.

The case cover 2 can be made of plastic, metal plates and other materials, but the whole heat dissipation performance is not good as that of the aluminum alloy case cover 2, and the inner surface and the outer surface of the case cover 2 can even increase the heat dissipation capability of the case cover 2 by using heat dissipation fins.

Furthermore, the electric cabinet is of a fan-free structure, and no fan is arranged inside the electric cabinet. Therefore, the electric cabinet can be muted, and the heat dissipation requirement of electrical components in the electric cabinet can be met.

The ratio of the total width b of the electric cabinet body to the total length c is golden ratio, namely 0.618.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: it is to be understood that modifications may be made to the above-described arrangements in the embodiments or equivalents may be substituted for some of the features of the embodiments, but such modifications or substitutions do not depart from the spirit and scope of the present invention.

Claims (11)

1. The electric cabinet is characterized by comprising a cabinet body (1) and a cabinet cover (2), wherein two opposite edges of the cabinet body (1) and the cabinet cover (2) are respectively provided with a plug-in structure which is matched with each other;

still include connecting piece (3), connecting piece (3) are located case lid (2) with the outside of box (1), connecting piece (3) be used for with case lid (2) with box (1) chucking.

2. The electric cabinet according to claim 1, characterized in that one end of the box body (1) is provided with a first groove (11), and the corresponding end of the box cover (2) is provided with a first protrusion (21); a second groove (12) is formed in the other end of the box body (1), and a second bulge (22) is formed in the corresponding end of the box cover (2);

wherein the first protrusion (21) is arranged in the first groove (11), the second protrusion (22) is arranged in the second groove (12), and the depth of the first groove (11) is larger than that of the second groove (12).

3. The electric cabinet according to claim 1, characterized in that the connecting member (3) is rotatably connected with the box body (1), and the connecting member (3) applies a force to the box cover (2) towards the box body (1); or,

the connecting element (3) is rotatably connected to the cover (2), the connecting element (3) exerting a force on the housing (1) in the direction of the cover (2).

4. The electric cabinet according to claim 3, wherein the connecting member (3) comprises a connecting body (31) and an elastic member (32), the connecting body (31) is rotatably connected with the box body (1), the elastic member (32) is clamped between the connecting body (31) and the box body (1), the first clamping portion (311) of the connecting body (31) and the elastic member (32) are positioned at one side of the rotatable connection, and the second clamping portion (312) of the connecting body (31) is positioned at the other side of the rotatable connection;

wherein the elastic member (32) applies a rotational force to the first catch (311) to rotate the connecting body (31) relative to the case (1), and the second catch (312) applies a pressing force to the case cover (2) to cause the case cover (2) to approach the case (1) under the rotational force.

5. The electric cabinet according to claim 4, characterized in that a side of the box cover (2) facing the box body (1) is provided with a clamping portion (23), the clamping portion (23) is in surface contact with a second clamping portion (312) of the connecting body (31), and a contact surface of the clamping portion (23) and the second clamping portion (312) is parallel to an extension direction of the box cover (2).

6. The electric cabinet according to claim 4, characterized in that a step (13) is provided outside the box body (1), the step (13) is in surface contact with the first holding part (311), and the direction of the contact surface of the step (13) and the first holding part (311) is perpendicular to the extension direction of the box cover (2).

7. The electric cabinet according to claim 4, characterized in that the connecting body (31) is rotatably connected with the box body (1) through spherical contact.

8. The electric cabinet according to claim 1, characterized in that the side of the box cover (2) facing the box body (1) is provided with a clamping groove (24), and the edge of the box body (1) is clamped in the clamping groove (24).

9. The electric cabinet according to claim 8, characterized in that the part of the box body (1) clamped in the clamping groove (24) is provided with an inner recess (14), and a sealing member (4) is arranged in the inner recess (14).

10. The electrical cabinet according to claim 1, characterized in that the box (1) is of aluminium alloy.

11. The electric cabinet according to claim 1, characterized in that the cover (2) is of aluminium alloy.