CN210693101U

CN210693101U - Low-voltage electric cabinet with stably locked cabinet door

Info

Publication number: CN210693101U
Application number: CN201922162361.7U
Authority: CN
Inventors: 孙佳锋
Original assignee: Tangshan Tongrun Power Equipment Co Ltd
Current assignee: Tangshan Tongrun Power Equipment Co Ltd
Priority date: 2019-12-05
Filing date: 2019-12-05
Publication date: 2020-06-05
Anticipated expiration: 2029-12-05

Abstract

The utility model relates to a switch board field discloses a firm low-voltage electricity cabinet of cabinet door locking, has solved the cabinet door and has closed unstable problem, and its technical scheme main points are the firm low-voltage electricity cabinet of cabinet door locking, including the cabinet body and with cabinet body vertical side articulated cabinet door, install locking device between the cabinet door and the cabinet body, locking device is including installing the runner assembly on the cabinet door and installing the fixed subassembly on the cabinet body, and the runner assembly is including supporting the piece, and supporting the piece is equipped with the spiral inclined plane towards cabinet door one side, and the spiral inclined plane just is the heliciform for the face that supports the both ends thickness difference degree formation of pressing piece width direction, and fixed subassembly is including supporting the preforming, supports the preforming and divide into to support the preforming and support the preforming down, on support the preforming with support the preforming and press from opposite side clamp down and paste the spiral inclined plane, make the.

Description

Low-voltage electric cabinet with stably locked cabinet door

Technical Field

The utility model relates to a switch board field, in particular to cabinet door locks firm low-tension electricity cabinet.

Background

The power distribution cabinet enables the final-stage equipment of a power distribution system to be a general name of a motor control center, the existing power distribution cabinets are all provided with locking devices, the utility model with the authorization notice number of CN206581705U discloses an upper and lower locking rod structure of an electric cabinet door lock, which comprises an upper locking rod, an upper guide support, an upper locking wheel, a lower locking rod, a lower guide support and a lower locking wheel, the lower end of the upper locking rod is eccentrically and fixedly connected to one side of a spring bolt of the electric cabinet door lock, the upper end of the upper locking rod extends upwards and passes through the upper guide support, and the upper locking wheel is fixedly arranged at the upper end part of the upper locking rod; the upper end of the lower lock rod is eccentrically and fixedly connected to the other side of the bolt of the electric cabinet door lock, the lower end of the lower lock rod extends downwards and penetrates through the lower guide bracket, and the lower locking wheel is fixedly installed at the end part of the lower end of the lower lock rod; when the lock tongue rotates in place, the upper locking wheel at the upper end part of the upper locking rod is clamped in the upper end door groove at the back part of the electric cabinet door, and the lower locking wheel at the lower end part of the lower locking rod is clamped in the lower end door groove at the back part of the electric cabinet door.

However, when this utility model closed the cabinet door, in order to make the last tight pulley card go into the upper end gate slot, the lower tight pulley card can go into lower extreme gate slot, then the upper end gate slot need be greater than the tight pulley, and the lower extreme gate slot need be greater than the tight pulley down, causes to go up the tight pulley and rocks in the upper end gate slot, and the tight pulley rocks at lower extreme gate slot down, and then causes probably still to go out to rock after the cabinet door is closed, closes unstably.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a low-voltage electricity cabinet that cabinet door locking is firm makes the cabinet door can not appear rocking after closing, closes firmly.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a low-voltage electricity cabinet that cabinet door locking is firm, include the cabinet body and with cabinet body vertical side articulated cabinet door, install locking device between cabinet door and the cabinet body, locking device is including installing the runner assembly on the cabinet door and installing the fixed subassembly on the cabinet body, the runner assembly is including the tablet of supporting, the tablet of supporting is equipped with the spiral inclined plane towards cabinet door one side, the spiral inclined plane just is the heliciform for the face that the both ends thickness difference degree of the width direction of supporting block formed, fixed subassembly is including supporting the piece, support the piece and divide into to support the piece and support the piece down, go up support the piece with support the piece down and press the opposite side to press and press the piece to paste the spiral inclined plane.

Through adopting above-mentioned technical scheme, when closing the cabinet door, the briquetting inserts and supports the gap between the briquetting and the lower support briquetting, then rotatory support briquetting, and the place of supporting the briquetting on with supporting the briquetting contact is by thin thickening, makes support briquetting compress tightly gradually and supports the briquetting, makes the cabinet door close firmly.

The utility model discloses further set up to: the side surfaces of the upper pressing sheet opposite to the lower pressing sheet are both arc-shaped surfaces.

Through adopting above-mentioned technical scheme, the contact between spiral inclined plane and the piece that supports the briquetting is more complete, makes the piece that supports hugs closely more to support the briquetting, makes the cabinet door close more firm.

The utility model discloses further set up to: the tail end of the spiral inclined plane at the thicker end of the pressing block is a plane, and the plane is in pressing contact with a vertical surface on one side, far away from the cabinet door, of the pressing block.

Through adopting above-mentioned technical scheme, after rotatory complete the holding block, holding block rear end is kept away from the face of cabinet door one side with holding the pressing piece towards the plane of cabinet door and is supported the pressure contact, makes holding block can not reverse because of the pretightning force, makes the cabinet door close more firm.

The utility model discloses further set up to: the gap between the upper pressing piece and the lower pressing piece is larger than the width of the pressing block.

Through adopting above-mentioned technical scheme, if go up to support the gap between the briquetting and the lower briquetting unanimous with the width of briquetting, then the briquetting has a little angle change to lead to the fact the briquetting to insert gap department before inserting the gap of supporting the briquetting and supporting the briquetting down, if go up to support the width that gap setting is greater than the briquetting between briquetting and the lower briquetting, then the briquetting can be easier insert the gap between briquetting and the lower briquetting, make the cabinet door convenient when closing.

The utility model discloses further set up to: the rotating assembly is provided with a pressing platform, the pressing platform is fixedly connected with the cabinet door, and a gasket is arranged between the pressing platform and the pressing sheet.

Through adopting above-mentioned technical scheme, when closing the cabinet door, support the platform and support the gasket on the briquetting and support the pressure contact, when the briquetting was rotatory, the gasket compresses tightly gradually, through the pretightning force effect of gasket remain throughout support the briquetting and support the contact between the briquetting, make the cabinet door close firm.

The utility model discloses further set up to: the fixing assembly further comprises a fixing piece, the fixing piece is vertically connected with the abutting piece, and a reinforcing rib is arranged between the fixing piece and the abutting piece.

Through adopting above-mentioned technical scheme, when the cabinet door is closed tightly, the briquetting produces to supporting the preforming and has stress, perhaps the staff forgets to open low-voltage electricity cabinet lock and directly pulls open the cabinet door when opening the door, makes to support the briquetting to supporting the powerful effect of the orientation of preforming towards the cabinet door, and the time has been of a specified duration and can have made to support the preforming bending deformation, influences the steadiness that the cabinet door was closed, consequently sets up the strengthening rib between the stationary blade and supporting the preforming, improves the bending strength who supports the preforming.

The utility model discloses further set up to: the fixed assembly is fixed on the cabinet body through the fixed sheet, and the fixed sheet is detachably connected with the cabinet body through a bolt.

Through adopting above-mentioned technical scheme, when pressing the piece bending deformation or when damaging to some extent, can pull down the change with it to guarantee the steadiness that the cabinet door was closed.

The utility model discloses further set up to: the fixing piece is divided into a front fixing piece and a rear fixing piece, and the front fixing piece and the rear fixing piece are attached to the cabinet body in a clamping mode.

Through adopting above-mentioned technical scheme, preceding stationary blade presss from both sides with the back stationary blade and pastes and install on the cabinet body, makes the stationary blade installation more firm to do not influence the steadiness that the cabinet door closed.

To sum up, the utility model discloses following beneficial effect has: when closing the cabinet door, the briquetting inserts the gap between last support and the lower support and press the piece, and the gasket that supports and press the piece on the while supports and presses the contact, and rotatory support and press the piece to make the terminal plane of spiral inclined plane and support and press the piece to keep away from the plane of cabinet door and support and press the contact, and compress tightly the gasket through the cooperation between the spiral inclined plane on the support and press the piece to make support and press the piece contact tighter, make the cabinet door close more firm.

Drawings

FIG. 1 is a schematic structural diagram of a low-voltage electric cabinet;

FIG. 2 is a sectional view of the locking device in the upper case embodying the embodiment, as viewed from the rear to the front;

FIG. 3 is an enlarged view of a portion of a locking device of the embodiment of FIG. 2 at A;

FIG. 4 is a schematic structural view of the pressing block and the rotating shaft of the lock cylinder;

FIG. 5 is a schematic view of the mounting structure of the fixing assembly;

FIG. 6 is a sectional view of the locking device in the second upper case according to the embodiment, as seen from the rear to the front;

FIG. 7 is an enlarged view of a portion of the second locking device of FIG. 6 at B;

FIG. 8 is a schematic structural view of the pressing table;

fig. 9 is a sectional view showing an embodiment of the second locking device.

Reference numerals: 1. a cabinet body; 11. mounting a plate; 12. an upper cabinet body; 13. a lower cabinet body; 111. a fixing hole; 2. a cabinet door; 21. the upper cabinet door is arranged; 22. a lower cabinet door; 3. a locking device; 31. a rotating assembly; 311. a lock cylinder rotating shaft; 312. a pressing block; 3121. a helical ramp; 3122. a plane; 313. a baffle plate; 314. a pressing table; 3141. fixing the circular ring sheet; 3142. a circular ring baffle plate; 3143. connecting columns; 315. a gasket; 32. a fixing assembly; 321. a fixing sheet; 3211. a front fixing sheet; 3212. a rear fixing sheet; 3213. perforating; 322. pressing the sheet; 3221. pressing the sheet upwards; 3222. pressing the sheet downwards; 3223. an arc-shaped surface; 323. reinforcing ribs; 4. a first bolt; 5. and a second bolt.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

In the first embodiment, the first step is,

referring to the attached figure 1, the low-voltage electric cabinet with the stably locked cabinet door comprises a cabinet body 1 and a cabinet door 2 hinged to the vertical side face of the cabinet body 1.

Wherein, cabinet body 1 is including last cabinet body 12 and the lower cabinet body 13 that is in last cabinet body 12 below and is connected with last cabinet body, and last cabinet body 12 is the case form of square body shape, and cabinet door 2 is including last cabinet door 21 and lower cabinet door 22, and last cabinet door 21 is square platelike to the articulated shaft vertical setting of last cabinet body 12 and last cabinet door 21, and it can rotate at the horizontal direction around the articulated shaft to go up cabinet door 21 promptly. The lower cabinet body 13 and the upper cabinet body 12 are identical in shape, and the lower cabinet door 22 and the upper cabinet door 21 are identical in shape and installation mode.

A locking device 3 is arranged between the upper cabinet body 12 and the upper cabinet door 21, and the locking device 3 is arranged at one end far away from the hinged position.

Similarly, the locking device 3 is arranged between the lower cabinet body 13 and the lower cabinet door 22 and is identical to that between the upper cabinet body 12 and the upper cabinet door 21.

The locking device 3 between the upper cabinet body 12 and the upper cabinet door 21 is described as an example.

The locking device 3 comprises a rotating assembly 31 arranged on the upper cabinet door 21 and a fixing assembly 32 arranged on the cabinet body 1.

Referring to fig. 2 and fig. 3, the rotating assembly 31 includes a lock cylinder rotating shaft 311 penetrating through the upper cabinet door 12 and a pressing block 312 connected to the lock cylinder rotating shaft 311, and the lock cylinder rotating shaft 311 is cylindrical.

Meanwhile, a blocking piece 313 is arranged on the lock cylinder rotating shaft 311 between the pressing block 312 and the upper cabinet door 12, the blocking piece 313 is in a disc shape, and the axis of the blocking piece 313 is superposed with the axis of the lock cylinder rotating shaft 311.

Referring to fig. 4, the pressing block 312 is rectangular, and a spiral inclined surface 3121 is provided on a side surface of the pressing block 312 facing the baffle 313, and the spiral inclined surface 3121 is a surface formed by thickness differences at two ends of the pressing block 312 in the width direction and is spiral. And the end of the spiral inclined surface 3121 on the thicker end of the pressing block 312 is provided with a flat surface 3122.

And, the pressing block 312 is installed at one end of the key cylinder rotating shaft 311 through the first bolt 4.

Referring to fig. 2 and 5, the fixing assembly 32 includes a fixing plate 321 fixed to the upper cabinet 12 and a pressing plate 322 perpendicular to the fixing plate 321.

Wherein, the upper cabinet body 12 is vertically provided with a mounting plate 11 corresponding to one side of the locking device 3, the mounting plate 11 is in a long strip plate shape, and the mounting plate 11 is provided with fixing holes 111 which are uniformly arranged along the length direction thereof, wherein the fixing holes 111 are threaded holes.

Both ends of the fixing plate 321 in the length direction are provided with through holes 3213, the through holes 3213 coincide with the axes of the fixing holes 111, and the fixing plate 321 is fixedly mounted on the mounting plate 11 by the second bolt 5 passing through the through hole 3212 and matching with the fixing hole 111.

The pressing piece 322 is integrally connected with the fixing piece 321, the pressing piece 322 is perpendicular to the fixing piece 321, and the pressing piece 322 is parallel to the upper cabinet door 12 when the upper cabinet door is closed (see fig. 2).

Moreover, the pressing piece 322 is divided into an upper pressing piece 3221 and a lower pressing piece 3222, a gap is left between the upper pressing piece 3221 and the lower pressing piece 3222, the gap between the upper pressing piece 3221 and the lower pressing piece 3222 is greater than the width of the pressing piece 312, and the side surface of the upper pressing piece 3221 opposite to the lower pressing piece 3222 is set to be an arc-shaped surface 3223 which is curved up and down.

The working principle of the first embodiment is as follows:

when the upper cabinet door 12 is closed, the pressing block 312 is inserted into the gap between the upper pressing piece 3221 and the lower pressing piece 3222, and meanwhile, the vertical side surface of the blocking piece 313 far away from the upper cabinet door 12 is in pressing contact with the vertical side surface of the pressing piece 322 close to the upper cabinet door 12. Then, the pressing block 312 is rotated, and through the cooperation between the spiral inclined surface 3121 and the pressing block 322, the contact area between the pressing block 312 and the pressing block 322 becomes thicker and thinner, and the contact area between the pressing block 312 and the pressing block 322 becomes tighter and tighter, so that the upper cabinet door 12 is closed stably.

In the second embodiment, the first embodiment of the method,

referring to fig. 6 and 7, a low-voltage electric cabinet with a firmly locked cabinet door is different from the first embodiment in that the rotating assembly 31 further includes a pressing platform 314.

Referring to fig. 8, the low-voltage platform 314 includes a fixed circular ring piece 3141 fixed on the inner side surface of the upper cabinet door 12 (see fig. 6) and a circular ring blocking piece 3142 arranged in parallel with the fixed circular ring piece 3141, the fixed circular ring piece 3141 and the circular ring blocking piece 3142 are both circular, the fixed circular ring piece 3141 and the circular ring blocking piece 3142 are connected through a connecting column 3143, and the connecting columns 3143 are uniformly arranged around the center of the circular ring blocking piece 3142.

Referring to fig. 9, the blocking piece 313 is located between the fixed ring piece 3141 and the ring blocking piece 3142, and the central axis of the pressing table 314 coincides with the axis of the lock cylinder rotating shaft 311, while the blocking piece 313 is located inside the pressing table 314 and rotates.

Meanwhile, the side of the pressing platform 314 away from the upper cabinet door 12 and the side of the pressing sheet 322 close to the upper cabinet door 12 are both provided with a gasket 315, and the shape of the gasket 315 is determined according to the actual situation.

In addition, the fixing assembly 32 further includes two reinforcing ribs 323 disposed between the pressing piece 322 (see fig. 5) and the fixing piece 321, that is, the reinforcing ribs 323 are disposed between the upper pressing piece 3221, the lower pressing piece 3222 and the fixing piece 321, respectively, the reinforcing ribs 323 are in a right-angled triangle shape and are disposed horizontally, wherein two right-angled sides are respectively fixed to the pressing piece 322 and the fixing piece 321.

Working principle of the second embodiment:

when the upper cabinet door 12 is closed, the pressing block 312 is inserted into a gap between the upper pressing piece 3221 and the lower pressing piece 3222, the pressing piece 322 is pressed against the gasket 315 between the fixing pieces 321, then the pressing block 312 is rotated, the part of the pressing block 312, which is in contact with the pressing piece 322, is thickened from thin to thick through the matching between the spiral inclined surface 3121 and the pressing piece 322, the gasket 315 is gradually pressed when the pressing block 312 rotates, and the contact between the pressing block 312 and the pressing piece 322 is always maintained through the pre-tightening force of the gasket 315, so that the upper cabinet door 12 is stably closed.

In addition, the arrangement of the reinforcing rib 323, the front fixing plate 3211 and the rear fixing plate 3212 makes the fixing assembly 32 more stably mounted on the mounting plate 11, so that the upper cabinet door 12 is more stably closed.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. A low-voltage electric cabinet with stably locked cabinet door comprises a cabinet body (1) and a cabinet door (2) hinged with the vertical side surface of the cabinet body (1), a locking device (3) is arranged between the cabinet door (2) and the cabinet body (1), it is characterized in that the locking device (3) comprises a rotating component (31) arranged on the cabinet door (2) and a fixed component (32) arranged on the cabinet body (1), the rotating component (31) comprises a pressing block (312), a spiral inclined plane (3121) is arranged on one side of the pressing block (312) facing the cabinet door (2), the spiral inclined plane (3121) is a spiral surface formed by the thickness difference of two ends of the width direction of the pressing block (312), the fixing component (32) comprises a pressing piece (322), the pressing piece (322) is divided into an upper pressing piece (3221) and a lower pressing piece (3222), the spiral inclined plane (3121) is clamped and stuck at the opposite side of the upper pressing sheet (3221) and the lower pressing sheet (3222).

2. The low-voltage electric cabinet with the stably locked cabinet door as claimed in claim 1, wherein the side surfaces of the upper pressing piece (3221) opposite to the lower pressing piece (3222) are both provided with arc-shaped surfaces (3223).

3. The low-voltage electric cabinet with the stably locked cabinet door as claimed in claim 1, wherein the end of the spiral inclined surface (3121) at the thicker end of the pressing block (312) is provided with a plane (3122), and the plane (3122) is in pressing contact with a vertical surface on the side of the pressing block (322) far away from the cabinet door (2).

4. The low-voltage electric cabinet with the stably locked cabinet door as claimed in claim 2, wherein the gap between the upper pressing piece (3221) and the lower pressing piece (3222) is larger than the width of the pressing piece (312).

5. The low-voltage electric cabinet with stably locked cabinet door according to claim 1, characterized in that the rotating assembly (31) is provided with a pressing platform (314), the pressing platform (314) is fixedly connected with the cabinet door (2), and a gasket (315) is arranged between the pressing platform (314) and the pressing sheet (322).

6. The low-voltage electric cabinet with the stably locked cabinet door as claimed in claim 1, wherein the fixing assembly (32) further comprises a fixing plate (321), the fixing plate (321) is vertically connected with the pressing plate (322), and a reinforcing rib (323) is arranged between the fixing plate (321) and the pressing plate (322).

7. The low-voltage electric cabinet with the stably locked cabinet door according to claim 6, characterized in that the fixing component (32) is fixed on the cabinet body (1) through a fixing plate (321), and the fixing plate (321) is detachably connected with the cabinet body (1) through a bolt (4).

8. The low-voltage electric cabinet with the stably locked cabinet door according to claim 1, characterized in that the locking device (3) comprises a lock cylinder rotating shaft (311) penetrating through the cabinet door (2), and the pressing block (312) is detachably mounted at one end of the lock cylinder rotating shaft (311).