CN218040401U

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

Info

Publication number: CN218040401U
Application number: CN202222318423.0U
Authority: CN
Inventors: 秦海峰; 李洪伟; 李莎莎
Original assignee: Yichang Jieyao Electric Co ltd
Current assignee: Yichang Jieyao Electric Co ltd
Priority date: 2022-09-01
Filing date: 2022-09-01
Publication date: 2022-12-13
Anticipated expiration: 2032-09-01

Abstract

The utility model discloses an built-in heat dissipation rack of switch board, including PMKD and rack main part, PMKD's top is provided with the rack main part. This built-in heat dissipation rack of switch board passes through the rack and installs the inside at the installation base and fix, and be connected the in-process of using with outside gear engagement, when damage appears in the rack main part, can be in the inside of thermovent, correspond the dismouting nut and unscrew from the outside bottom of dead lever, pull down the back, can upwards extract the dismantlement from the inside of preformed hole with three groups dead levers of bottom mounting with the rack main part that damages, later utilize the dead lever correspondence to insert the inside to the preformed hole with the rack main part of replacement again, and it can to use the dismouting nut to fix, be convenient for carry out dismouting replacement alone to the rack that damages, economy and convenience when improving the rack and using, the problem of being not convenient for carrying out dismouting replacement alone to the rack that damages has been solved.

Description

Built-in heat dissipation rack of power distribution cabinet

Technical Field

The utility model relates to a mechanical transmission technical field specifically is an built-in heat dissipation rack of switch board.

Background

The special part that a cooperation gear used, the tooth of rack most distribute on the rectangular shape body, and be connected with the meshing between the external tooth of gear, the rack need be used to the in-process of operation work in switch board inside.

According to patent number 201810941884.9, application No. 2018.08.17, an assembled efficient heat dissipation rack is disclosed, which is provided with a bolt, a nut, a mounting seat and a plurality of rack subunits, and a splicing mode, so that the manufacturing cost is low, even if one rack subunit is seriously worn, only one rack subunit needs to be replaced, the damage of the whole rack cannot be caused, but in the actual use process, when the internal rack is accidentally damaged in the using process, the whole set of rack components need to be replaced, the maintenance cost is high, and therefore a structure capable of independently disassembling, assembling and replacing the damaged rack is needed to solve the defects, and the economy and convenience of the rack in use are improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an built-in heat dissipation rack of switch board to provide the rack that is not convenient for carry out the problem of dismouting replacement alone to the damage in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an built-in heat dissipation rack of switch board, includes PMKD and rack main part, PMKD's top is provided with the rack main part, PMKD's bottom is provided with the installation base, the inside both sides of PMKD and intermediate position department are provided with the thermovent respectively, and the both ends of thermovent run through PMKD's both ends respectively, transversely be provided with interface channel between the thermovent, the inside on installation base top is provided with the cavity, the both sides of cavity run through the both sides of installation base respectively, the left inside of PMKD is provided with the spread groove, the both sides of PMKD bottom are fixed with the installation inserted block respectively, the both sides and the intermediate position department of rack main part bottom are vertical respectively fixed with the dead lever, the both sides and the intermediate position department on PMKD top are provided with the preformed hole respectively, the inside top of thermovent is provided with assembly and disassembly nut.

Preferably, the preformed hole penetrates through the top end of the fixed bottom plate and is communicated with the inside of the heat dissipation port, and the heat dissipation port is communicated with the inside of the connecting channel.

Preferably, the fixing rod vertically penetrates through the inside of the reserved hole, an external thread is arranged on the outside of the reserved hole, and an internal thread matched with the external thread is arranged inside the dismounting nut.

Preferably, the right side of the fixed bottom plate is fixed with a connecting pin, and the top end and the bottom end of the connecting slot respectively penetrate through the top end and the bottom end of the fixed bottom plate.

Preferably, the inside bottom of cavity is provided with the installation slot, the inside intermediate position department of installation inserted block runs through and is provided with the hole, the both sides of installation base front end are run through respectively and are provided with fixing bolt, fixing bolt's rear end runs through the inside of installation base and hole respectively, the outside rear end of fixing bolt is provided with fixation nut.

Preferably, the mounting inserts are symmetrically disposed about a vertical centerline of the mounting base.

Compared with the prior art, the beneficial effects of the utility model are that: the built-in heat dissipation rack of the power distribution cabinet not only realizes the convenience of carrying out independent dismounting and replacing on the damaged rack, realizes the convenience of carrying out combined connection and lengthening use among rack components, but also realizes the convenience of mounting and using the rack;

(1) The rack is arranged in the mounting base and is fixed, and is meshed with an external gear in the using process, when the rack main body is damaged, the dismounting nut can be screwed out from the bottom outside the fixing rod correspondingly through the inside of the heat dissipation port, after the dismounting nut is dismounted, the damaged rack main body can be pulled out upwards from the inside of the reserved hole by using three groups of fixing rods fixed at the bottom end for dismounting, then the replaced rack main body is correspondingly inserted into the reserved hole by using the fixing rod, and the dismounting nut is used for fixing, so that the damaged rack can be dismounted and replaced independently, and the economy and convenience in use of the rack are improved;

(2) By arranging the fixed bottom plate, the connecting groove and the connecting plug pin, when the rack is used, two or more groups of racks can be spliced and combined for lengthening after the connecting plug pin on the right side of the fixed bottom plate is correspondingly inserted into the connecting groove from the left side of the bottom end of the other group of fixed bottom plate by using one group of fixed bottom plate and the rack main body;

(3) Through being provided with the installation base, the installation slot, the installation inserted block, the hole, fixation nut and fixing bolt, the rack is at the in-process of installation use, can utilize two sets of installation inserted blocks of bottom both sides fixed to correspond and insert back to the inside installation slot of cavity, the front end at the installation base respectively again, use fixing bolt to run through the inside of installation base and hole, and with fixation nut screw in fixing bolt's outside at the rear end of installation base, it can with the inside of fixing bottom plate fixing at the rack main part to use fixation nut and fixing bolt, the use length of installation base can be customized according to the length demand of rack, can carry out supplementary fixed to the rack in the bottom of fixation base through the installation base that sets up, improve the stability in the pond rack use, make things convenient for the installation use of rack, the installation slot and the installation inserted block that set up can carry out supplementary location when installing the rack.

Drawings

FIG. 1 is a schematic view of the front cross-sectional structure of the present invention;

fig. 2 is an enlarged partial cross-sectional view of the utility model at a in fig. 1;

FIG. 3 is a schematic view of the bottom enlarged partial section of the connecting slot of the present invention;

fig. 4 is an enlarged schematic view of the overlooking partial section of the fixing bolt of the present invention.

In the figure: 1. installing a slot; 2. fixing a bottom plate; 3. installing a base; 4. a rack main body; 5. connecting pins; 6. a cavity; 7. an inner bore; 8. installing an inserting block; 9. a heat dissipation port; 10. a connecting channel; 11. reserving a hole; 12. a fixing rod; 13. disassembling and assembling the nut; 14. connecting grooves; 15. fixing a nut; 16. and fixing the bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1: referring to fig. 1-4, an internal heat dissipation rack of a power distribution cabinet includes a fixed bottom plate 2 and a rack main body 4, the rack main body 4 is disposed at the top end of the fixed bottom plate 2, an installation base 3 is disposed at the bottom of the fixed bottom plate 2, heat dissipation ports 9 are respectively disposed at two sides and a middle position inside the fixed bottom plate 2, two ends of each heat dissipation port 9 respectively penetrate through two ends of the fixed bottom plate 2, a connection channel 10 is transversely disposed between the heat dissipation ports 9, a cavity 6 is disposed inside the top end of the installation base 3, two sides of the cavity 6 respectively penetrate through two sides of the installation base 3, a connection groove 14 is disposed inside the left side of the fixed bottom plate 2, installation insertion blocks 8 are respectively fixed at two sides of the bottom end of the fixed bottom plate 2, fixing rods 12 are respectively vertically fixed at two sides and a middle position of the bottom end of the rack main body 4, two sides and a middle position of the top end of the fixed bottom plate 2 are respectively provided with a reserved hole 11, and a dismounting nut 13 is disposed at the top end inside the heat dissipation port 9;

the preformed hole 11 penetrates through the top end of the fixed bottom plate 2 and is communicated with the inside of the heat dissipation port 9, the heat dissipation port 9 is communicated with the inside of the connecting channel 10, the fixed rod 12 vertically penetrates through the inside of the preformed hole 11, an external thread is arranged outside the preformed hole 11, and an internal thread matched with the external thread is arranged inside the dismounting nut 13;

specifically, as shown in fig. 1 and 2, when the rack body 4 is damaged, the dismounting nut 13 can be screwed out from the bottom end outside the fixing rod 12 correspondingly inside the heat dissipation opening 9, after dismounting, the damaged rack body 4 can be dismounted by upwards pulling out three groups of fixing rods 12 fixed at the bottom end from the inside of the preformed hole 11, and then the replaced rack body 4 is inserted into the preformed hole 11 correspondingly by using the fixing rods 12, and only the dismounting nut 13 is used for fixing, so that the damaged rack can be dismounted and replaced independently.

Example 2: a connecting pin 5 is fixed on the right side of the fixed bottom plate 2, and the top end and the bottom end of the connecting groove 14 respectively penetrate through the top end and the bottom end of the fixed bottom plate 2;

specifically, as shown in fig. 1 and 3, a set of fixed base plate 2 and rack main body 4 may be inserted into the connecting groove 14 from the left side of the bottom end of another set of fixed base plate 2 by using the connecting pin 5 on the right side of the fixed base plate 2, so that two or more sets of racks may be spliced and combined for use.

Example 3: the bottom end in the cavity 6 is provided with an installation slot 1, an inner hole 7 penetrates through the middle position in the installation insertion block 8, two sides of the front end of the installation base 3 are respectively provided with a fixing bolt 16 in a penetrating manner, the rear end of the fixing bolt 16 respectively penetrates through the installation base 3 and the inner hole 7, the rear end outside the fixing bolt 16 is provided with a fixing nut 15, and the installation insertion block 8 is symmetrically arranged relative to the vertical center line of the fixing bottom plate 2;

specifically, as shown in fig. 1 and 4, after two sets of installation insertion blocks 8 fixed on two sides of the bottom end of the fixing base plate 2 are correspondingly inserted into the installation insertion slot 1 inside the cavity 6, the fixing base plate is respectively arranged at the front end of the installation base 3, the fixing bolt 16 penetrates through the installation base 3 and the inner hole 7, the fixing nut 15 is screwed into the fixing bolt 16 at the rear end of the installation base 3, the fixing base plate 2 is fixed inside the rack main body 4 by the fixing nut 15 and the fixing bolt 16, the use length of the installation base 3 can be customized according to the length requirement of the rack, the rack can be fixed in the bottom of the fixing base plate 2 in an auxiliary mode through the arranged installation base 3, and the stability of the rack in the use process is improved.

The working principle is as follows: when the utility model is used, the inside of the fixed bottom plate 2 is provided with the heat dissipation ports 9, meanwhile, the connecting channel 10 is arranged between the heat dissipation ports 9, the inside of the heat dissipation ports 9 and the connecting channel 10 are mutually communicated, the heat generated between the rack and the gear in the using process can be communicated and transferred to the inside of the heat dissipation ports 9 from the connecting channel 10, and the heat dissipation is carried out by the heat dissipation ports 9, the rack is arranged in the mounting base 3 to be fixed, and is meshed with the external gear to be used, when the rack main body 4 is damaged, the dismounting nuts 13 can be screwed out from the bottom ends outside the fixed rods 12 correspondingly in the heat dissipation ports 9, after dismounting, the damaged rack main body 4 can be dismounted upwards from the inside of the preformed holes 11 by using the three groups of fixed-ends of the fixed rods 12, then the replaced rack main body 4 is inserted into the preformed holes 11 by using the fixed rods 12, and is fixed by a dismounting nut 13, when the rack is used, two or more groups of racks can be spliced and lengthened for use by inserting one group of the fixed bottom plate 2 and the rack main body 4 into the connecting groove 14 from the left side of the bottom end of the other group of the fixed bottom plate 2 correspondingly, and in the process of mounting and using the rack, two groups of mounting insertion blocks 8 fixed at two sides of the bottom end of the fixed bottom plate 2 can be inserted into the mounting slots 1 in the cavity 6 correspondingly, and then are respectively arranged at the front end of the mounting base 3, a fixing bolt 16 penetrates through the mounting base 3 and the inner hole 7, a fixing nut 15 is screwed into the outer part of the fixing bolt 16 at the rear end of the mounting base 3, and the fixed bottom plate 2 is fixed in the rack main body 4 by the fixing nut 15 and the fixing bolt 16, the use length of installation base 3 can be customized according to the length demand of rack, and installation base 3 through setting up can carry out supplementary fixed to the rack in PMKD 2's bottom, improves the stability in the pond rack use.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an built-in heat dissipation rack of switch board, includes PMKD (2) and rack main part (4), its characterized in that: the top of PMKD (2) is provided with rack main part (4), the bottom of PMKD (2) is provided with installation base (3), inside both sides and the intermediate position department of PMKD (2) are provided with thermovent (9) respectively, and the both ends of thermovent (9) run through the both ends of PMKD (2) respectively, transversely be provided with between thermovent (9) interface channel (10), the inside on installation base (3) top is provided with cavity (6), the both sides of installation base (3) are run through respectively to the both sides of cavity (6), the left inside of PMKD (2) is provided with spread groove (14), the both sides of PMKD (2) bottom are fixed with installation inserted block (8) respectively, the both sides and the intermediate position department of rack main part (4) bottom are vertically fixed with dead lever (12) respectively, the both sides and the intermediate position department on PMKD (2) top are provided with preformed hole (11) respectively, the inside top of thermovent (9) is provided with dismouting nut (13).

2. The built-in heat dissipation rack of a power distribution cabinet according to claim 1, wherein: the preformed hole (11) penetrates through the top end of the fixed bottom plate (2) and is communicated with the inside of the heat dissipation opening (9), and the heat dissipation opening (9) is communicated with the inside of the connecting channel (10).

3. The built-in heat dissipation rack of a power distribution cabinet according to claim 1, wherein: the fixed rod (12) vertically penetrates through the inside of the preformed hole (11), an external thread is arranged on the outside of the preformed hole (11), and an internal thread matched with the external thread is arranged inside the dismounting nut (13).

4. The built-in heat dissipation rack of a power distribution cabinet according to claim 1, wherein: the right side of the fixed bottom plate (2) is fixed with a connecting pin (5), and the top end and the bottom end of the connecting groove (14) penetrate 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, wherein: the utility model discloses a fixing device for fixing a car, including cavity (6), installation inserted block (8), installation base (3), fixing bolt (16), mounting base (3) and hole (7), the inside bottom of cavity (6) is provided with installation slot (1), the inside intermediate position department of installation inserted block (8) inside runs through and is provided with hole (7), the both sides of installation base (3) front end are run through respectively and are provided with fixing bolt (16), the rear end of fixing bolt (16) runs through the inside of installation base (3) and hole (7) respectively, the outside rear end of fixing bolt (16) is provided with fixation nut (15).

6. The built-in heat dissipation rack of power distribution cabinet according to claim 1, wherein: the installation inserting blocks (8) are symmetrically arranged relative to the vertical center line of the fixed bottom plate (2).