CN218040401U - Built-in heat dissipation rack of power distribution cabinet - Google Patents

Abstract

The utility model discloses a built-in heat dissipation rack of a power distribution cabinet, which comprises a fixed bottom plate and a rack main body. The top of the fixed bottom plate is provided with a rack main body. The built-in heat dissipation rack of the power distribution cabinet is fixed inside the installation base through the rack, and is meshed with the external gear during use. When the main body of the rack is damaged, it can be disassembled inside the heat dissipation port. The nut should be unscrewed from the bottom of the outside of the fixing rod. After removal, the damaged rack body can be pulled out and removed from the inside of the reserved hole by using the three sets of fixing rods fixed at the bottom, and then the replacement rack can be removed. The main body of the rack is inserted into the reserved hole with the fixing rod, and fixed with the disassembly nut, which is convenient for the damaged rack to be disassembled and replaced separately, which improves the economy and convenience of the rack, and solves the problem of inconvenient It is convenient to disassemble and replace the damaged rack separately.

Description

A built-in heat dissipation rack of a power distribution cabinet

technical field

The utility model relates to the technical field of mechanical transmission, in particular to a built-in heat dissipation rack of a power distribution cabinet.

Background technique

The rack is a special part used with the gear. The teeth of the rack are mostly distributed on the elongated body, and are meshed with the outer teeth of the gear. The inside of the power distribution cabinet needs to use the rack during operation.

According to the patent number 201810941884.9, the application date is 2018.08.17, which discloses an assembled high-efficiency heat dissipation rack, which is provided with bolts, nuts, mounting seats and multiple rack subunits, and spliced, so that the manufacturing cost is low, even if one The rack sub-unit is severely worn, and only one rack sub-unit needs to be replaced without causing damage to the entire rack. However, in actual use, when the internal rack is accidentally damaged during use, the entire set of racks needs to Replacement of components requires high maintenance and repair costs. Therefore, a structure that can individually disassemble and replace damaged racks is needed to solve the above shortcomings and improve the economy and convenience of the racks.

Utility model content

The purpose of this utility model is to provide a built-in heat dissipation rack of a power distribution cabinet, so as to solve the problem in the above-mentioned background technology that it is inconvenient to disassemble and replace a damaged rack separately.

In order to achieve the above purpose, the utility model provides the following technical solutions: a built-in heat dissipation rack of a power distribution cabinet, including a fixed bottom plate and a rack main body, the top of the fixed bottom plate is provided with a rack main body, and the bottom of the fixed bottom plate An installation base is provided, and heat dissipation ports are respectively provided on both sides and the middle position inside the fixed base plate, and the two ends of the heat dissipation ports respectively pass through the two ends of the fixed base plate, and connecting passages are arranged horizontally between the heat dissipation ports, so that The inside of the top of the installation base is provided with a cavity, and the two sides of the cavity respectively pass through the two sides of the installation base, the inside of the left side of the fixed base is provided with a connecting groove, and the two sides of the bottom of the fixed base are respectively fixed with The plug is installed, the two sides and the middle position of the bottom end of the rack main body are respectively vertically fixed with fixed rods, the two sides and the middle position of the top of the fixed bottom plate are respectively provided with reserved holes, and the inside of the heat dissipation port The top is provided with a dismounting nut.

Preferably, the reserved hole runs through the top of the fixed bottom plate and communicates with the inside of the heat dissipation opening, and the heat dissipation opening communicates with the inside of the connecting channel.

Preferably, the fixing rod vertically penetrates the inside of the reserved hole, the outside of the reserved hole is provided with external threads, and the inside of the disassembly nut is provided with internal threads matching the external threads.

Preferably, connecting pins are fixed on the right side of the fixed bottom plate, and the top and bottom ends of the connecting groove penetrate through the top and bottom ends of the fixed bottom plate respectively.

Preferably, a mounting slot is provided at the bottom end of the cavity, an inner hole is provided through the middle of the installation block, and fixing bolts are respectively provided on both sides of the front end of the installation base. The rear ends of the bolts respectively pass through the installation base and the interior of the inner hole, and the rear ends of the fixing bolts are provided with fixing nuts.

Preferably, the mounting inserts are arranged symmetrically with respect to the vertical centerline of the fixed bottom plate.

Compared with the prior art, the utility model has the beneficial effects that: the built-in heat dissipation rack of the power distribution cabinet not only facilitates the separate disassembly and replacement of the damaged rack, but also facilitates the combination of the rack components. The connection is extended for use, and it is easy to install and use the rack;

(1) By providing a fixed bottom plate, a rack body, a heat dissipation port, a reserved hole, a fixing rod and a dismounting nut, the rack is installed inside the installation base for fixing, and is meshed with the external gear during use. When the main body of the rack is damaged, you can unscrew the disassembly nut from the bottom end of the fixing rod in the inside of the heat dissipation port. The rod is pulled upwards from the inside of the reserved hole for disassembly, and then the main body of the replacement rack is inserted into the inside of the reserved hole using the fixing rod, and fixed with a disassembly nut, which is convenient for the damaged rack to be separated Disassembly and replacement, improving the economy and convenience of the rack in use;

(2) By being provided with a fixed base plate, connecting grooves and connecting pins, when the rack is in use, one group of fixed base plates and the main body of the rack can utilize the connecting pins on the right side of the fixed base plate to correspond to the connection pins at the bottom of the other set of fixed base plates. After the left side is inserted into the connecting groove, two or more sets of racks can be spliced and combined to lengthen;

(3) By being provided with a mounting base, a mounting slot, a mounting plug, an inner hole, a fixing nut and a fixing bolt, the rack can be fixed by using two sets of mounting plugs fixed on both sides of the bottom during the installation and use of the rack. After the block is inserted into the installation slot inside the cavity, the fixing bolts are used to penetrate the installation base and the inner hole at the front end of the installation base respectively, and the fixing nut is screwed into the outside of the fixing bolt at the rear end of the installation base , use fixing nuts and fixing bolts to fix the fixed bottom plate inside the main body of the rack. The length of the installation base can be customized according to the length of the rack. The installed base can assist the rack at the bottom of the fixed bottom plate The fixing improves the stability of the pool rack during use and facilitates the installation and use of the rack. The installation slots and installation inserts provided can assist in the positioning of the rack when it is installed.

Description of drawings

Fig. 1 is the front view sectional structure schematic diagram of the utility model;

Fig. 2 is the enlarged structural schematic diagram of the partial section at A place in Fig. 1 of the present utility model;

Fig. 3 is a schematic diagram of the enlarged structure of the connecting groove of the utility model when viewed from above;

Fig. 4 is a schematic diagram of an enlarged structure of a fixed bolt in a top view of a partial section of the utility model.

In the figure: 1. Mounting slot; 2. Fixed bottom plate; 3. Mounting base; 4. Rack main body; 5. Connecting pin; 6. Cavity; 7. Inner hole; ;10, connecting channel; 11, reserved hole; 12, fixed rod; 13, disassembly nut; 14, connecting groove; 15, fixed nut; 16, fixed bolt.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. 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.

Embodiment 1: Please refer to Figures 1-4, a built-in cooling rack for a power distribution cabinet, including a fixed bottom plate 2 and a rack main body 4, the top of the fixed bottom plate 2 is provided with a rack main body 4, and the bottom of the fixed bottom plate 2 is provided with There is a mounting base 3, and the two sides and the middle position inside the fixed base plate 2 are respectively provided with cooling outlets 9, and the two ends of the cooling openings 9 respectively run through the two ends of the fixed base plate 2, and the connecting channels 10 are arranged horizontally between the cooling openings 9. , the inside of the top of the mounting base 3 is provided with a cavity 6, the two sides of the cavity 6 run through the two sides of the mounting base 3 respectively, the inside of the left side of the fixed base plate 2 is provided with a connecting groove 14, and the two sides of the bottom end of the fixed base plate 2 are respectively fixed There are mounting inserts 8, fixed rods 12 are vertically fixed on both sides and the middle position of the bottom end of the rack main body 4, reserved holes 11 are respectively arranged on both sides and the middle position of the top of the fixed base plate 2, and the inside of the heat dissipation port 9 The top is provided with dismounting nut 13;

The reserved hole 11 runs through the top of the fixed bottom plate 2 and communicates with the inside of the cooling outlet 9, the cooling outlet 9 communicates with the inside of the connecting channel 10, the fixed rod 12 vertically penetrates the inside of the reserved hole 11, and the inside of the reserved hole 11 The exterior is provided with an external thread, and the interior of the dismounting nut 13 is provided with an internal thread matched with the external thread;

Specifically, as shown in Figures 1 and 2, when the rack main body 4 is damaged, the dismounting nut 13 can be unscrewed from the bottom end of the fixing rod 12 in the interior of the heat dissipation port 9, and after being removed, That is to say, the damaged rack main body 4 can be pulled out and disassembled from the inside of the reserved hole 11 by using the three sets of fixed rods 12 fixed at the bottom, and then the replacement rack main body 4 can be inserted into the reserved hole by using the fixed rods 12 correspondingly. The inside of the hole 11 can be fixed with a dismounting nut 13, so that the damaged rack can be disassembled and replaced separately.

Embodiment 2: The right side of the fixed base plate 2 is fixed with a connecting pin 5, and the top and bottom ends of the connecting groove 14 respectively penetrate the top and bottom ends of the fixed base plate 2;

Specifically, as shown in FIG. 1 and FIG. 3 , one set of fixed bottom plate 2 and the rack body 4 can be inserted into the connecting pin 5 from the left side of the bottom end of another set of fixed bottom plate 2 correspondingly by using the connecting pin 5 on the right side of the fixed bottom plate 2 . After the inside of the groove 14, two or more groups of racks can be spliced and combined to be lengthened and used.

Embodiment 3: The bottom end of the cavity 6 is provided with a mounting slot 1, and the middle position of the mounting insert 8 is provided with an inner hole 7, and the two sides of the front end of the mounting base 3 are respectively provided with fixing bolts 16, and the fixing bolts The rear end of 16 runs through the inside of the mounting base 3 and the inner hole 7 respectively, the rear end of the fixing bolt 16 is provided with a fixing nut 15, and the mounting insert 8 is arranged symmetrically with respect to the vertical center line of the fixed bottom plate 2;

Specifically, as shown in Figures 1 and 4, the two sets of mounting inserts 8 fixed on both sides of the bottom end of the fixed base plate 2 can be inserted into the mounting slots 1 inside the cavity 6, and then installed on the mounting base respectively. 3, use the fixing bolt 16 to penetrate the inside of the installation base 3 and the inner hole 7, and screw the fixing nut 15 into the outside of the fixing bolt 16 at the rear end of the installation base 3, use the fixing nut 15 and the fixing bolt 16 to fix the bottom plate 2 can be fixed inside the rack main body 4. The length of the installation base 3 can be customized according to the length requirements of the rack. The installed base 3 can be used to assist in fixing the rack at the bottom of the fixed bottom plate 2, improving the pool The stability of the rack during use.

Working principle: when the utility model is in use, a heat dissipation port 9 is provided inside the fixed bottom plate 2, and a connecting channel 10 is provided between the heat dissipation ports 9. The interior of the heat dissipation port 9 and the connecting channel 10 are connected to each other, and the rack The heat generated between the gear and the gear during use can be communicated through the connecting channel 10 to the inside of the heat dissipation port 9, and the heat dissipation is carried out by the heat dissipation port 9 to the outside. During the use of the gear meshing connection, when the rack main body 4 is damaged, the dismounting nut 13 can be unscrewed from the bottom end of the fixing rod 12 through the inside of the heat dissipation port 9, and after being removed, the The damaged rack body 4 is pulled out and disassembled upwards from the inside of the reserved hole 11 using three sets of fixed rods 12 fixed at the bottom, and then the replacement rack body 4 is inserted into the reserved hole 11 using the fixed rods 12. Inside, it can be fixed with dismounting nut 13. At the same time, when the rack is in use, one set of fixed bottom plate 2 and the rack main body 4 can be connected by the connecting pin 5 on the right side of the fixed bottom plate 2, correspondingly from another set of fixed bottom plate 2 After the left side of the bottom end is inserted into the inside of the connecting groove 14, two or more groups of racks can be spliced and combined for lengthening use, and the rack can be fixed by using the bottom plate 2 during installation and use. Two sets of mounting inserts 8 fixed on both sides of the end are correspondingly inserted into the mounting slots 1 inside the cavity 6, and then respectively at the front end of the mounting base 3, using fixing bolts 16 to penetrate the inside of the mounting base 3 and the inner hole 7, And at the rear end of the mounting base 3, the fixing nut 15 is screwed into the outside of the fixing bolt 16, and the fixing base plate 2 is fixed on the inside of the rack main body 4 by using the fixing nut 15 and the fixing bolt 16. The use length of the mounting base 3 can be According to the length requirement of the rack, the installed base 3 can be used to fix the rack at the bottom of the fixed bottom plate 2, so as to improve the stability of the pool rack during use.

It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, no matter from all points of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to fall within the scope of the claims All changes within the meaning and range of equivalents of the required elements are included in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. A built-in cooling rack for a power distribution cabinet, comprising a fixed base plate (2) and a rack body (4), characterized in that: the top of the fixed base plate (2) is provided with a rack body (4), so The bottom of the fixed bottom plate (2) is provided with an installation base (3), and the two sides and the middle position inside the fixed bottom plate (2) are respectively provided with heat dissipation ports (9), and the two ends of the heat dissipation ports (9) are respectively Through the two ends of the fixed bottom plate (2), a connecting channel (10) is arranged transversely between the heat dissipation openings (9), and a cavity (6) is arranged inside the top of the installation base (3), and the cavity The two sides of (6) run through the both sides of the installation base (3) respectively, and the interior of the left side of the fixed base plate (2) is provided with a connecting groove (14), and the two sides of the bottom end of the fixed base plate (2) are respectively fixed with The plug (8) is installed, the two sides and the middle position of the bottom end of the rack main body (4) are respectively vertically fixed with fixed rods (12), and the two sides and the middle position of the top of the fixed bottom plate (2) are respectively A reserved hole (11) is provided, and a dismounting nut (13) is provided at the top inside the heat dissipation port (9). 2. The built-in heat dissipation rack of a power distribution cabinet according to claim 1, characterized in that: the reserved hole (11) runs through the top of the fixed bottom plate (2) and is connected to the inside of the heat dissipation port (9) The heat dissipation port (9) communicates with the inside of the connecting channel (10). 3. The built-in heat dissipation rack of a power distribution cabinet according to claim 1, characterized in that: the fixed rod (12) vertically penetrates the inside of the reserved hole (11), and the reserved hole (11 ) is provided with an external thread, and the interior of the dismounting nut (13) is provided with an internal thread that matches the external thread. 4. The built-in heat dissipation rack of a power distribution cabinet according to claim 1, characterized in that: the right side of the fixed bottom plate (2) is fixed with a connecting pin (5), and the connecting groove (14) The top end and the bottom end run through the top end and the bottom end of the fixed bottom plate (2) respectively. 5. The built-in heat dissipation rack of a power distribution cabinet according to claim 1, characterized in that: the inner bottom of the cavity (6) is provided with a mounting slot (1), and the mounting block (8 ) is provided with an inner hole (7) through the middle position, the two sides of the front end of the installation base (3) are respectively provided with fixing bolts (16), and the rear ends of the fixing bolts (16) are respectively inserted through the installation base (3) and inside the inner hole (7), the rear end of the outside of the fixing bolt (16) is provided with a fixing nut (15). 6. The built-in heat dissipation rack of a power distribution cabinet according to claim 1, characterized in that: the installation inserts (8) are arranged symmetrically with respect to the vertical center line of the fixed bottom plate (2).

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