CN-224218619-U - Adjustable door sagging prevention device and electric cabinet

CN224218619UCN 224218619 UCN224218619 UCN 224218619UCN-224218619-U

Abstract

The utility model relates to the technical field of door accessories, in particular to an adjustable door sagging prevention device and an electric cabinet, wherein the adjustable door sagging prevention device comprises a supporting component and a roller component; the supporting component comprises a bottom frame, an adjusting plate, a supporting block and a fastening piece, wherein the adjusting plate is fastened on the bottom frame through the fastening piece, the supporting block is fixedly connected to the adjusting plate, the roller component comprises a roller support, a rotating shaft and a roller, the roller is rotatably connected to the roller support through the rotating shaft, and in a door closing state, the lower side of the supporting block is abutted to the upper side of the roller. Through the regulation slot hole that is equipped with along upper and lower direction setting is run through at the regulating plate, can nimble adjustment regulating plate and supporting shoe's mounting height, make the mounting height phase-match of supporting shoe and gyro wheel to avoid closing the door and hinder, and can prevent the door sagging under the state of closing the door, the supporting shoe welding back mounting height that has solved current anti-sagging device is difficult to adjust and is led to the device to be difficult to play the technical problem that effect and close the door hindered.

Inventors

ZHAO NANNAN
GAN GUOCHENG
WU YUHUI
LI JIANFENG
ZHAO ZHENWEI
WU HAIFAN
BAI JIANHAO
SHEN MINGTAO
LIAO LIXING
LIN MINGHUI

Assignees

佛山市顺德区伊戈尔电力科技有限公司

Dates

Publication Date: 20260508
Application Date: 20250328

Claims (10)

1. The adjustable door sagging prevention device is characterized by comprising a supporting component and a roller component, wherein the supporting component comprises a bottom frame, an adjusting plate, a supporting block and a fastening piece, and the bottom frame is provided with a first through hole; The adjusting plate is detachably connected to the bottom frame, an adjusting long hole is formed in the adjusting plate in a penetrating mode, the adjusting long hole is arranged in the vertical direction, the adjusting long hole corresponds to the first through hole, and when the adjusting plate is installed, a fastener sequentially penetrates through the adjusting long hole and the first through hole and then fastens the adjusting plate clamp to the bottom frame; The supporting block is fixedly connected to the adjusting plate; The roller assembly comprises a roller bracket, a rotating shaft and a roller, wherein the roller is rotatably connected to the roller bracket through the rotating shaft, and the lower side of the supporting block is abutted to the upper side of the roller in a door closing state.
2. The adjustable door sag prevention device according to claim 1, wherein a first support plate which is turned backwards is arranged at the lower end of the bottom frame, a second support plate which is turned backwards is arranged at the lower end of the adjusting plate, a support piece is arranged between the first support plate and the second support plate, the lower portion of the support piece is fixedly connected with the first support plate, and the upper portion of the support piece is fixedly connected with the second support plate.
3. The adjustable door sag prevention device according to claim 2, wherein the first support plate is provided with a second through hole, the second support plate is provided with a third through hole, the support member is a bolt, and the support member is fastened and connected with a nut after passing through the second through hole and the third through hole.
4. The adjustable door sagging prevention device of claim 1, wherein a side edge of the bottom frame is connected with a frame which is turned forward, a press rivet nut is arranged at the front end of the bottom frame corresponding to the first through hole, the fastening piece is a bolt, and the fastening piece passes through the adjusting long hole and is fastened and connected with the press rivet nut.
5. The adjustable door drop prevention device according to claim 4, wherein the frame is connected with a folded edge which is turned outwards, and the plate surface of the folded edge is parallel to the plate surface of the bottom frame.
6. The adjustable door sag prevention device according to claim 1, wherein the support block has a V-shaped structure with a wide front and a narrow rear, and the rear of the support block is disposed toward the roller bracket when the door is closed; The roller support comprises an upper connecting piece, a right connecting piece and a left connecting piece, wherein the upper connecting piece, the right connecting piece and the left connecting piece are respectively arranged on the upper side, the right side and the left side of the roller support, the upper end of the right connecting piece is connected with the right end of the upper connecting piece, the lower end of the right connecting piece is connected with the right end of the rotating shaft, the upper end of the left connecting piece is connected with the left end of the upper connecting piece, the lower end of the left connecting piece is connected with the left end of the rotating shaft, and a cavity for the supporting block to be inserted is formed by the connection of the upper connecting piece, the right connecting piece and the left connecting piece.
7. The adjustable door drop prevention device according to claim 6, wherein a lower end of the rear portion of the support block is inclined upward to form a buffer slope.
8. An electric cabinet comprising a cabinet door and a cabinet body, and further comprising an adjustable door sag prevention device according to any one of claims 1 to 7, wherein the support assembly is mounted on the cabinet door, and the roller assembly is mounted on the cabinet body.
9. The electric cabinet of claim 8, wherein the roller bracket has a first connection plate fixedly connected to an upper side thereof, the cabinet body is provided with a fixing bracket including a fixing cross bar detachably connected to the first connection plate.
10. The electric cabinet of claim 9, wherein the roller bracket is fixedly connected to a second connecting plate on the right side, and the fixing bracket further comprises a fixing vertical rod detachably connected to the right end of the second connecting plate.

Description

Adjustable door sagging prevention device and electric cabinet Technical Field The utility model relates to the technical field of door accessories, in particular to an adjustable door sagging prevention device and an electric cabinet. Background The cabinet door of the electric cabinet is generally connected and fixed on the cabinet body through the door hinge, and after long-term use, the door hinge is easy to be deformed in a soft way under the compression of the weight of the cabinet door due to the heavy weight of the cabinet door, so that the cabinet door is sagged and cannot be normally closed. In this regard, the existing door sagging prevention device is generally provided with a supporting block and a roller, wherein the supporting block is welded and fixed on a cabinet door, the roller is installed and fixed on a cabinet body, and the lower side of the supporting block is abutted on the roller when the door is closed, so that the weight of the cabinet door is born on the cabinet body through the supporting block and the roller, and the cabinet door is prevented from sagging. The existing door sagging preventing device is small in structure and wide in application, but because the supporting blocks are directly welded on the cabinet door, the installation height of the supporting blocks after welding is difficult to adjust, so that the requirement on the welding installation precision of the supporting blocks is extremely high, if the welding position of the supporting blocks is higher, the supporting blocks are separated from the idler wheels in a door closing state, the whole device cannot play a role in preventing the cabinet door from sagging, and if the welding position of the supporting blocks is lower, the supporting blocks collide with the idler wheels in the door closing process, the door closing is blocked, and the cabinet door cannot be closed. Disclosure of utility model Aiming at the problems of the prior art, the utility model aims to provide an adjustable door sagging prevention device, which can flexibly adjust the mounting height of a supporting block to match the mounting height of a roller, is convenient to debug and operate, improves the flexibility and practicality of device mounting, and solves the technical problems that the mounting height of the supporting block of the conventional door sagging prevention device is difficult to adjust after welding, so that the device is difficult to play a role and the door is blocked. The utility model further aims to provide an electric cabinet, by adopting the adjustable door sagging prevention device, the function of preventing the cabinet door from sagging can be effectively exerted, and the technical problem that the cabinet door of the existing electric cabinet is easy to sag is solved. In order to achieve the above purpose, the utility model provides an adjustable door sagging prevention device, which comprises a support assembly and a roller assembly, wherein the support assembly comprises a bottom frame, an adjusting plate, a support block and a fastening piece, the bottom frame is provided with a first through hole, the adjusting plate is detachably connected to the bottom frame, the adjusting plate is provided with an adjusting long hole in a penetrating mode, the adjusting long hole corresponds to the first through hole, the fastening piece sequentially penetrates through the adjusting long hole and the first through hole during installation and then fastens the adjusting plate clamp to the bottom frame, the support block is fixedly connected to the adjusting plate, the roller assembly comprises a roller bracket, a rotating shaft and a roller, the roller is rotatably connected to the roller bracket through the rotating shaft, and the lower side of the support block is abutted to the upper side of the roller in a door closing state. Optionally, the lower extreme of underframe is equipped with the first backup pad of turning over backward, the lower extreme of regulating plate is equipped with the second backup pad of turning over backward, first backup pad with be equipped with support piece between the second backup pad, support piece's lower part fixed connection in first backup pad support piece's upper portion fixed connection in the second backup pad. Optionally, the first support plate is provided with the second through hole, the second support plate is provided with the third through hole, support piece is the bolt, support piece pass the second through hole with behind the third through hole with nut fastening connection. Optionally, the side of underframe is connected with the frame that turns over forward, the underframe corresponds the front end of first through-hole is provided with presses the riveting nut, the fastener is the bolt, the fastener pass behind the regulation slot hole with press the riveting nut fastening connection. Optionally, the frame is connected with the hem of turning up and turning over, the