CN207150001U - A kind of stable drawer-type switch cabinet of pull - Google Patents

Abstract

It the utility model is related to technical field of electrical equipment, more particularly to a kind of stable drawer-type switch cabinet of pull, including cabinet, drawer room and switchgear, door engine is provided between the rear end face of drawer room and the inwall of cabinet, door engine includes expansion bracket and knob, the both ends bottom of expansion bracket has been respectively articulated with first connecting rod and second connecting rod, first connecting rod is fixed on the inwall of cabinet, through hole is offered on the rear end face of drawer room, second connecting rod is fixed on drawer room on through through hole and by knob；Open up fluted on the lower surface of drawer room, sliding block is connected with groove, line slide rail is fixed with cabinet, sliding block, which coordinates, to be connected on line slide rail；The utility model efficiently solves the drawer room of drawer-type switch cabinet, and that push-and-pull easily occurs is unstable or even stuck so as to influenceing to use and the problem of drawer indoor radiating is poor.

Description

A withdrawable switchgear with stable drawing

technical field

The utility model relates to the technical field of electrical equipment, in particular to a draw-out switch cabinet with stable draw.

Background technique

Low-voltage withdrawable switchgear is a kind of equipment for switching and controlling circuits in the process of low-voltage power transmission and distribution. It is widely used in power plants, substations, petrochemical departments, factories and mines, high-level It is used for power conversion, distribution and control of low-voltage power distribution systems such as buildings, power distribution and motor control centers, and capacitor compensation; the existing switch cabinets are bulky and have low heat dissipation efficiency. The cabinet body is mostly made of sheet metal, and the number of switchgears in the drawer room is also large, so that the drawer room has a heavy weight, so that the drawer room is prone to instability when pushed and pulled, and the phenomenon of jamming occurs, which seriously affects the Subsequent use may endanger the safety of the device.

For example, Chinese Patent No. CN 106058706 A, the invention patent with the announcement date of October 26, 2016 discloses a withdrawable switchgear, including a switchgear box, a base structure is arranged at the lower end of the switchgear box, and the switchgear A cover plate is set on the upper end of the box, and a lightning rod is set on the cover plate. Upper and lower vents are respectively set on the upper and lower ends of the switch cabinet box. Vertical insulating partitions and horizontal Insulation partition, the insulation partition divides the switchgear box into four components, namely the busbar room, the functional unit room, the drawer room, and the cable room. This invention is a pull-out switch cabinet with a compact and reasonable structure design. The drawer can be pushed and pulled The process is smooth, and the cooling and ventilation effects are good. In the above-mentioned patent, it is difficult to realize the functions of smoothly pushing and pulling the drawer chamber and anti-jamming only by installing spring handles.

Utility model content

Technical issues resolved

Aiming at the deficiencies of the prior art, the utility model discloses a draw-out switch cabinet with stable pulling and pulling, which is used to solve the problem that the drawer chamber of the draw-out switch cabinet is prone to be pushed and pulled unevenly or even stuck, which affects the use and the heat dissipation in the drawer chamber is poor The problem.

Technical solutions

In order to achieve the above object, the utility model is realized through the following technical solutions:

A withdrawable switchgear with stable drawing, including a cabinet body, a drawer room and switchgear, an automatic door closing device is provided between the rear end surface of the drawer room and the inner wall of the cabinet body, and the automatic door closing device includes a telescopic frame and a Knobs, the bottoms of the two ends of the telescopic frame are respectively hinged with a first connecting rod and a second connecting rod, the first connecting rod is fixed on the inner wall of the cabinet body, and a through hole is opened on the rear end surface of the drawer chamber. hole, the second connecting rod passes through the through hole and is fixed on the drawer chamber through the knob; a groove is opened on the lower end surface of the drawer chamber, and a slider is clamped in the groove , the linear slide rail is fixed on the cabinet body, and the slider is engaged and clamped on the linear slide rail; the left and right inner walls of the drawer chamber are symmetrically provided with elastic buckles, and the front end surface of the drawer chamber is fixed There is a round rod on which a handle is slidably clamped, and the handle and the elastic buckle are connected together by a rope, and a wire groove is opened on the side wall of the drawer chamber, and the rope is discharged in the inside the trunking.

Preferably, the telescopic frame is composed of a first bracket and a second bracket, the upper ends of the first bracket and the second bracket are hinged together, and the lower ends are connected together by a spring.

Preferably, the elastic buckle includes a mounting frame, a square tube and a square rod, the mounting frame is fixed on the inner wall of the drawer chamber, the square tube is fixed on the mounting, and the square rod is slidably engaged with the drawer. In the square tube, the square bar is connected with the square tube through a spring.

Preferably, a miniature pulley is provided at the turning point of the trunking.

Preferably, a circular hole is opened on the front surface of the drawer chamber, and a heat dissipation fan is installed in the circular hole, and a protective net or a filter net is respectively provided at the front edge and the rear edge of the circular hole.

Preferably, heat dissipation holes are opened on both side inner walls and the rear inner wall of the drawer chamber.

Beneficial effect

Compared with the known public technology, the technical solution provided by the utility model has the following beneficial effects:

1. By installing a slider at the bottom of the drawer room, the slider is slid and clamped on the linear guide rail on the cabinet body, so that the drawer room can move smoothly when pushing and pulling; through the rear end surface of the drawer room and the inner wall of the cabinet body There is an automatic door closing device between them, which can automatically close the drawer room after use or after use. The telescopic frame used in the automatic door closing device can provide a large elastic stroke, save space at the same time, and make the overall structure compact.

2. There are elastic buckles symmetrically arranged on the left and right inner walls, and the drawer chamber can be blocked from closing automatically by the square rod, so that the drawer chamber can be kept open for a long time, which is convenient for long-term debugging or maintenance. There is a rope connected between the rods, pulling the handle outward can realize the contraction of the square rod, and the blocking function of the elastic buckle can be released, which is convenient to use.

3. A heat dissipation fan is installed in the round hole on the front face of the drawer chamber, and protective nets or filters are installed on the front and rear edges of the round hole respectively, so that good heat dissipation or dustproof effects can be achieved .

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is a schematic diagram of the connection between the drawer chamber and the cabinet of the present utility model;

Fig. 2 is a top half sectional view of the drawer chamber of the present utility model;

Fig. 3 is a structural front view of the utility model;

The labels shown in the figure respectively refer to: 1-cabinet body, 2-drawer room, 3-automatic door closing device, 4-telescopic frame, 5-knob, 6-first connecting rod, 7-second connecting rod, 8-slider, 9-linear guide rail, 10-elastic buckle, 11-round rod, 12-handle, 13-rope, 14-miniature pulley, 15-, cooling fan, 201-through hole, 202-groove, 203-wire duct, 401-first bracket, 402-second bracket, 1001-installation frame, 1002-square pipe, 1003-square rod.

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the utility model more clear, the technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the utility model. Obviously, the described The embodiments are some embodiments of the present utility model, but not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

A withdrawable switchgear with stable drawing, referring to Figure 1-3: including a cabinet body 1, a drawer chamber 2 and switchgear, an automatic door closing device 3 is provided between the rear end surface of the drawer chamber 2 and the inner wall of the cabinet body 1, The automatic door closing device 3 includes a telescopic frame 4 and a knob 5. The bottoms of the two ends of the telescopic frame 4 are respectively hinged with a first connecting rod 6 and a second connecting rod 7. The first connecting rod 6 is fixed on the inner wall of the cabinet body 1, and the drawer chamber 2 is provided with a through-hole 201 on the rear end surface, and the second connecting rod 7 passes through the through-hole 201 and is fixed on the drawer chamber 2 by the knob 5; a groove 202 is provided on the lower end surface of the drawer chamber 2, and the groove 202 is internally locked. A slider 8 is connected, and a linear slide rail 9 is fixed on the cabinet body 1, and the slider 8 is snapped onto the linear slide rail 9; A round rod 11 is fixed on the top, and a handle 12 is slidingly clamped on the round rod 11. The handle 12 and the elastic buckle 10 are connected together by a rope 13. A wire groove 203 is opened on the side wall of the drawer chamber 2, and the rope 13 is discharged into the wire groove. Inside 203.

The setting of the knob 5 can facilitate the separation of the drawer chamber 2 from the automatic door closing device 3, and facilitate the removal of the drawer chamber 2.

The telescopic frame 4 is made up of a first support 401 and a second support 402. The upper ends of the first support 401 and the second support 402 are hinged together, and the lower ends are connected together by springs. The number of the telescopic frames 4 is greater than 1. In this embodiment There are two telescopic frames 4 arranged side by side, and the automatic closing of the drawer chamber 2 can be realized through the action of the spring restoring force of the telescopic frames 4; the bottom of the drawer chamber 2 is equipped with a slider 8, and the slider 8 is slidably connected to the cabinet body 1 on the linear guide rail, so that the drawer chamber 2 can move smoothly when pushing and pulling; an automatic door closing device 3 is provided between the rear end surface of the drawer chamber 2 and the inner wall of the cabinet body 1, which can realize automatic closing after use or use The drawer room 2 and the telescopic frame 4 used in the automatic door closing device 3 can provide a large elastic stroke, save space and make the overall structure compact.

Elastic buckle 10 comprises installation frame 1001, square tube 1002 and square rod 1003, and installation frame 1001 is fixed on the inner wall of drawer room 2, and square tube 1002 is fixed on the installation, and square rod 1003 slides and clamps in square tube 1002, and square Rod 1003 is connected together with square pipe 1002 by spring, and one end of rope 13 passes through square pipe 1002 and is fixedly connected on square rod 1003, and the other end is fixedly connected on handle 12; The setting of the miniature pulley 14 can make the rope 13 stuck at the turning point of the line groove 203, so that the handle 12 can easily pull the rope 13 to drive the square rod 1003 to shrink.

The front end face of the drawer chamber 2 is provided with a round hole, and a heat dissipation fan 15 is installed in the round hole, and a protective net or a filter screen are respectively provided at the front end edge and the rear end edge of the round hole; Cooling holes are opened on the side inner wall, which can achieve good heat dissipation or dustproof effect.

The above embodiments are only used to illustrate the technical solutions of the present utility model, and are not intended to limit it; although the utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: it can still be applied to the foregoing embodiments The technical solutions described in the examples are modified, or some of the technical features are equivalently replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims (6)

1. A pull-out switchgear that is stable and stable, including a cabinet body, a drawer chamber and a switchgear, is characterized in that: an automatic door closing device is provided between the rear end face of the drawer chamber and the inner wall of the cabinet body, and the automatic door closing device The door closing device includes a telescopic frame and a knob. The bottoms of the two ends of the telescopic frame are respectively hinged with a first connecting rod and a second connecting rod. The first connecting rod is fixed on the inner wall of the cabinet body. A through hole is opened on the rear end surface, and the second connecting rod passes through the through hole and is fixed on the drawer chamber through the knob; a groove is opened on the lower end surface of the drawer chamber, and the groove A slide block is clamped inside, and a linear slide rail is fixed on the cabinet body, and the slide block is engaged and clamped on the linear slide rail; the left and right inner walls of the drawer chamber are symmetrically provided with elastic buckles, and the A round rod is fixed on the front end of the drawer chamber, and a handle is slidably clamped on the round rod. The handle and the elastic buckle are connected together by a rope, and a wire groove is opened on the side wall of the drawer chamber. Said rope is discharged in said trunking. 2. A withdrawable switchgear with stable drawing according to claim 1, characterized in that: the telescopic frame is composed of a first bracket and a second bracket, and the upper ends of the first bracket and the second bracket are hinged Together, the lower ends are connected together by springs. 3. A pull-out switchgear with stable drawing according to claim 1, characterized in that: the elastic buckle includes a mounting frame, a square tube and a square rod, and the mounting frame is fixed on the inner wall of the drawer chamber , the square tube is fixed on the installation, the square rod is slidingly clamped in the square tube, and the square rod is connected with the square tube through a spring. 4. A draw-out type switchgear with stable drawability according to claim 1, characterized in that: miniature pulleys are provided at the corners of the trunking. 5. A withdrawable switchgear with stable drawing and pulling according to claim 1, characterized in that: a round hole is opened on the front surface of the drawer chamber, and a cooling fan is installed in the round hole, and the round hole The front edge and the rear edge of the hole are respectively provided with protective nets or filter nets. 6. A drawable switchgear with stable drawability according to claim 1, characterized in that: the inner walls on both sides and the rear side of the drawer chamber are provided with cooling holes.