CN212034528U

CN212034528U - Locking device of power supply case

Info

Publication number: CN212034528U
Application number: CN202020737186.XU
Authority: CN
Inventors: 房振东
Original assignee: Suzhou Otus Industrial Technology Co ltd
Current assignee: Suzhou Otus Industrial Technology Co ltd
Priority date: 2020-05-07
Filing date: 2020-05-07
Publication date: 2020-11-27
Anticipated expiration: 2030-05-07

Abstract

A locking device of a power supply case comprises a case body, wherein a cover plate is arranged on the case body, a locking mechanism is arranged on the inner side of the cover plate, a limiting sliding groove is formed in the locking mechanism, fixing strips penetrate through the limiting sliding groove, a reset ejector rod is arranged between the fixing strips, the inner end of each fixing strip is fixedly connected with the middle of the corresponding reset ejector rod, a first spring is connected to the middle of the corresponding reset ejector rod, the reset ejector rod abuts against a limiting block, the limiting block is connected with the cover plate through a rotating lug, and a rotating convex rod is arranged on the rotating lug; the box opening is inwards provided with a convex ring, the inner side of the box body is provided with an auxiliary mechanism, the auxiliary mechanism is provided with an auxiliary sliding groove, the auxiliary sliding groove is fixed to the inner side of the convex ring, an auxiliary block is arranged in the auxiliary sliding groove, and a second spring is arranged between the inner end of the auxiliary block and the auxiliary sliding groove. The utility model discloses simple structure, locking means fixed cover plate reduces the influence that equipment operation vibrations produced, has made things convenient for the maintenance in later stage.

Description

Locking device of power supply case

Technical Field

The utility model relates to a power technical field especially relates to a locking means of power machine case.

Background

Common power sources are dry cell (dc) and household 110V-220V ac. The power source is derived from the principle of magnetic electricity generation, and is generated by renewable energy sources such as water power, wind power, sea tide, dam water pressure difference, solar energy and the like, coal burning, oil residue and the like.

A dc power supply is an energy conversion device that converts other forms of energy into electrical energy to supply a circuit to maintain a steady flow of current. The dc power supply can be divided into a programmable dc voltage-stabilized power supply, a common dc voltage-stabilized power supply and the like, and the use of the dc power supply generally requires a chassis as support and protection.

Among the prior art, the apron of power supply machine case generally punches on box and apron, fixes through the bolt, but in the use, because equipment operation can produce vibrations, can have the bolt to break away from because of vibrations for a long time for the apron of power supply machine case is fixed insecure. Meanwhile, the hidden danger that the cover plate is moved due to the fact that the power supply case is taken out, and the edge of the cover plate scratches an operator exists.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects of the prior art and providing a locking device of a power supply case.

The locking device of the power supply case is characterized by comprising a case body, wherein a cover plate is arranged on the case body, a locking mechanism is arranged on the inner side of the cover plate, the locking mechanism is provided with a limiting sliding groove, fixing strips penetrate through the limiting sliding groove, a reset ejector rod is arranged between the fixing strips, the inner end of each fixing strip is fixedly connected with the middle of the corresponding reset ejector rod, a first spring is connected to the middle of each reset ejector rod, each reset ejector rod abuts against a limiting block, the limiting blocks are connected with the cover plate through rotating convex blocks, and rotating convex rods are arranged on the rotating convex blocks;

the box opening is inwards provided with a convex ring, the inner side of the box body is provided with an auxiliary mechanism, the auxiliary mechanism is provided with an auxiliary sliding groove, the auxiliary sliding groove is fixed to the inner side of the convex ring, an auxiliary block is arranged in the auxiliary sliding groove, and a second spring is arranged between the inner end of the auxiliary block and the auxiliary sliding groove.

Preferably, the outer end of the fixing strip faces to one side of the cover plate and is provided with a pulley, the pulley is sleeved on the connecting rod, the end part of the connecting rod is provided with a sliding block, the fixing strip is provided with a pressing sliding groove, the sliding block is embedded in the pressing sliding groove, and a third spring is arranged in the pressing sliding groove.

Preferably, the section of the limiting block is oval, the top of the outer end of the auxiliary block is an arc surface, and the cross section of the cover plate is T-shaped.

Preferably, the auxiliary block and the limiting block are located on the same horizontal plane, the first spring and the rotating lug are located on the same horizontal plane, and the auxiliary block is lower than the first spring.

Preferably, a circular recess is formed in the cover plate, a rotary sliding groove is formed in the circular recess, and a rotary convex rod is arranged in the rotary sliding groove.

Preferably, the rotating chute is arc-shaped, and the rotating range of the rotating convex rod in the rotating chute is 0-90 degrees.

Preferably, the middle section of the reset ejector rod is concave, and a matched protruding part is arranged at the inner end part of the fixed strip.

Preferably, the cover plate and the auxiliary block are provided with positioning holes.

The utility model has the advantages that:

the reset ejector rod is ejected out by the rotating limiting block, the fixing strip connected with the reset ejector rod is driven to move outwards along the limiting sliding groove, and the end part of the fixing strip is positioned below the convex ring and is abutted against the convex ring, so that the fixing effect of the cover plate is improved; the limiting block can be conveniently rotated through the rotating convex rod at the top end of the limiting block and is propped against the reset ejector rod; the rotary sliding groove on the cover plate ensures that the rotary convex rod is positioned at the end part of the sliding groove, the long diameter or the short diameter of the limiting block is perpendicular to the reset ejector rod, and the connection state of the end part of the fixing strip and the convex ring is convenient to adjust.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, together with the description of embodiments of the invention, and are not intended to limit the invention. In the drawings:

FIG. 1 is a schematic diagram of a power supply enclosure;

FIG. 2 is a schematic top view of a power supply housing;

FIG. 3 is a schematic diagram of a front view structure of a power supply cabinet;

FIG. 4 is an enlarged view of circle A in FIG. 2;

FIG. 5 is an enlarged view of circle B in FIG. 3;

FIG. 6 is a front view of the reset mandril;

FIG. 7 is a side view of an auxiliary block;

labeled as: 1-box body, 2-cover plate, 3-convex ring, 4-fixed strip, 5-reset ejector rod, 6-first spring, 7-limit block, 8-rotary lug, 9-rotary chute, 10-rotary convex rod, 11-auxiliary chute, 12-auxiliary block, 13-second spring, 14-locating hole, 15-pressing chute, 16-sliding block, 17-connecting rod, 18-pulley, 19-third spring and 20-limit chute.

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.

According to shown in fig. 1-7, a locking means of power supply machine case includes box 1, be equipped with apron 2 on

box

1, 2 inboards of apron are equipped with locking mechanism, locking mechanism is equipped with spacing spout 20, wear fixed strip 4 in the spacing spout 20, be equipped with the ejector pin 5 that resets between the fixed strip 4, fixed strip 4 the inner with reset the 5 middle fixed connection of ejector pin, reset ejector pin 5 middle part and be connected with first spring 6, the ejector pin 5 that resets supports stopper 7, stopper 7 is connected with apron 2 through rotatory lug 8, be equipped with rotatory nose bar 10 on the rotatory lug 8. The cover plate 2 is provided with a rotary chute 9, and a rotary convex rod 10 is arranged in the rotary chute 9.

The opening of the box body 1 is inwards provided with a convex ring 3, the inner side of the box body 1 is provided with an auxiliary mechanism, the auxiliary mechanism is provided with an auxiliary chute 11, the auxiliary chute 11 is fixed on the inner side of the convex ring 3, an auxiliary block 12 is arranged in the auxiliary chute 11, and a second spring 13 is arranged between the inner end of the auxiliary block 12 and the auxiliary chute 11. The cover plate 2 and the auxiliary block 12 are provided with positioning holes 14.

The outer end of the fixing strip 4 is provided with a pulley 18 facing one side of the cover plate 2, the pulley 18 is sleeved on the connecting rod 17, the end part of the connecting rod 17 is provided with a sliding block 16, the fixing strip 4 is provided with a pressing sliding groove 15, the sliding block 16 is embedded in the pressing sliding groove 15, and a third spring 19 is arranged in the pressing sliding groove 15.

The cover plate 2 is placed on the case 1, and the auxiliary block 12 is pressed into the auxiliary chute 11 inside the cover plate 2 until the cover plate 2 is completely contacted with the case 1. The auxiliary block 2 is pushed out by the second spring 13 and is embedded in the groove of the cover plate 2.

The rotary convex rod 10 moves in the rotary sliding groove 9, and the rotary lug 8 of the limiting block 7 rotates as the center of a circle. When the rotary convex rod 10 reaches the other end of the rotary sliding groove 9, the long diameter of the limiting block 7 is perpendicular to the reset ejector rod 5, the first spring 6 is unfolded, and the fixing strip 4 slides outwards along the limiting sliding groove 20 until the fixing strip 4 abuts against the inner wall of the box body 1.

When the fixing strip 4 slides outwards, the pulley 16 arranged at the outer end of the fixing strip 4 is contacted with the convex ring 3. The convex ring 3 presses the pulley 16 inwards, the pulley 16 is sleeved on the connecting rod 17 and presses the third spring 19 inwards along the pressing chute 15 through the sliding block 18 at the end part of the connecting rod 17. When the fixed strip 4 props against the inner wall of the box body 1, the third spring 19 extrudes the sliding block 18 outwards, and the sliding block 18 pushes the pulley 16 outwards through the connecting rod 17, so that the effect of pressing the cover plate 2 and the box body 1 is achieved.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The locking device of the power supply case is characterized by comprising a case body, wherein a cover plate is arranged on the case body, a locking mechanism is arranged on the inner side of the cover plate, the locking mechanism is provided with a limiting sliding groove, fixing strips penetrate through the limiting sliding groove, a reset ejector rod is arranged between the fixing strips, the inner end of each fixing strip is fixedly connected with the middle of the corresponding reset ejector rod, a first spring is connected to the middle of each reset ejector rod, each reset ejector rod abuts against a limiting block, the limiting blocks are connected with the cover plate through rotating convex blocks, and rotating convex rods are arranged on the rotating convex blocks;

2. The locking device of the power supply cabinet according to claim 1, wherein a pulley is disposed at a side of an outer end of the fixing bar facing the cover plate, the pulley is sleeved on a connecting rod, a sliding block is disposed at an end of the connecting rod, the fixing bar is provided with a pressing sliding groove, the sliding block is embedded in the pressing sliding groove, and a third spring is disposed in the pressing sliding groove.

3. The locking device of the power supply cabinet as claimed in claim 1, wherein the section of the limiting block is oval, the top of the outer end of the auxiliary block is a circular arc surface, and the cross section of the cover plate is T-shaped.

4. The locking device of a power supply cabinet according to claim 1, wherein the auxiliary block is located at the same level as the limiting block, the first spring and the rotation protrusion are located at the same level, and the auxiliary block is lower than the first spring.

5. The locking device of the power supply cabinet as claimed in claim 1, wherein the cover plate is provided with a circular recess, the circular recess is provided with a rotating chute, and the rotating chute is provided with a rotating protruding rod.

6. The locking device of the power supply cabinet according to claim 5, wherein the rotation chute is arc-shaped, and the rotation protruding rod rotates in the rotation chute within a range of 0 ° to 90 °.

7. The locking device of the power supply cabinet as claimed in claim 1, wherein the middle section of the reset plunger is concave, and the inner end of the fixing strip is provided with a matching protrusion.

8. The locking device of the power supply cabinet as claimed in claim 1, wherein the cover plate and the auxiliary block are provided with positioning holes.