CN216076684U

CN216076684U - Quick-locking structure for power supply box

Info

Publication number: CN216076684U
Application number: CN202122036594.XU
Authority: CN
Inventors: 高商; 陈祥江
Original assignee: Shenzhen Liantronics Co Ltd
Current assignee: Shenzhen Liantronics Co Ltd
Priority date: 2021-08-26
Filing date: 2021-08-26
Publication date: 2022-03-18
Anticipated expiration: 2031-08-26

Abstract

The utility model discloses a quick lock structure for a power supply box, which comprises an upper cover, a bottom shell and a plurality of elastic locks, wherein the upper cover is buckled on the bottom shell and forms a containing chamber with the bottom shell in an enclosing manner, the upper cover is provided with a plurality of clamping parts which are all positioned in the containing chamber, each elastic lock comprises a button, a spring, a lock seat and a lock catch positioned in the containing chamber, the bottom shell is provided with a plurality of first through holes which are all communicated with the containing chamber, the lock seat is arranged on the outer wall surface of the bottom shell and forms a mounting hole communicated with the first through holes with the bottom shell in an enclosing manner, one end of the button is slidably arranged on the mounting hole, the other end of the button is connected with the lock catch after passing through the first through holes, the spring is sleeved on the button and positioned in the mounting hole, one end of the spring is abutted against the button, the other end of the spring is abutted against the bottom shell, and the lock catch is provided with a first clamping hook which is in clamping connection with the clamping parts. The quick lock structure for the power box realizes self-locking and unlocking through the matching of the first clamping hook and the clamping part, is simple to operate, and has short time for self-locking and unlocking, so that the time for later maintenance is saved.

Description

Quick-locking structure for power supply box

Technical Field

The utility model relates to the technical field of electronic equipment installation, in particular to a quick lock structure for a power supply box.

Background

In the LED display screen industry, the LED display screen includes a housing and a screen body installed on one side of the housing, a power supply is installed in the housing to supply power to the screen body, the power supply is generally installed in a power supply box, the power supply box is generally manufactured in a die-casting manner, and the die-cast power supply box becomes the mainstream of the industry due to factors such as light weight, high precision, and convenient maintenance.

The power supply is an important link for maintaining the LED display screen, along with the rapid development of the LED display screen industry, the LED display screen enters thousands of households, and the efficiency of dismounting the power supply is more and more emphasized by the market.

However, the conventional power box realizes self-locking and unlocking in a twisting and pressing mode, and can be opened only in a long time, so that the power supply is low in dismounting efficiency, and the overall maintenance time of the LED display screen is prolonged.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a quick-locking structure for a power supply box, which can effectively solve the problems that the conventional power supply box is self-locked and unlocked in a twisting and pressing mode, can be opened only in a long time, has low power supply dismounting efficiency and increases the overall maintenance time of an LED display screen.

The utility model is realized by adopting the following technical scheme:

the utility model provides a quick-locking structure for a power supply box, which comprises an upper cover, a bottom shell and a plurality of elastic locks, wherein the upper cover is buckled on the bottom shell and forms a containing chamber with the bottom shell in a surrounding manner, the bottom of the upper cover is convexly provided with a plurality of clamping parts which are all positioned in the containing chamber, each elastic lock comprises a button, a spring, a lock seat and a lock catch positioned in the containing chamber, the bottom shell transversely penetrates through a plurality of first through holes which are all communicated with the containing chamber, the lock seat is arranged on the outer wall surface of the bottom shell and forms a mounting hole communicated with the first through holes with the bottom shell in a surrounding manner, one end of the button is slidably arranged on the mounting hole, the other end of the button penetrates through the first through holes and is connected with the lock catch, the spring is sleeved on the button and positioned in the mounting hole, one end of the spring is abutted against the button, The other end of the lock catch is connected with the bottom shell in an abutting mode, and the lock catch is provided with a first clamping hook which is connected with the clamping part in a clamping mode.

Furthermore, the clamping part comprises a second clamping hook which is convexly arranged at the bottom of the upper cover, the second clamping hook is positioned between the first clamping hook and the lock base, and the second clamping hook is connected with the first clamping hook through a clamping hook.

Further, the width of the first hook is smaller than that of the second hook.

Further, the mounting hole includes accommodation space and opening, accommodation space's one end with opening intercommunication, the other end with first perforation intercommunication, the button includes the block and protruding locating the orientation of block the guide post of drain pan one side, the one end of block is located outside the opening, the other end passes the opening and block are arranged in the accommodation space, the block with the drain pan interval sets up, the guide post passes behind the first perforation with the hasp is connected, the spring housing is located on the guide post, just the one end butt of spring in on the block, the other end butt in the outer wall of drain pan.

Further, the block includes the board of being fixed with the guide post, certainly press the edge of board towards the curb plate that hasp one side bending extended and a plurality of certainly keep away from of curb plate press the edge of board one side towards keeping away from the stopper that the one side bending extended of guide post, press the board to be located outside the opening, the stopper is located in the accommodation space, the one end of curb plate with the stopper is connected, the other end pass the opening after with press the board to be connected, the guide post with the curb plate interval sets up, the one end of spring stretch into in the clearance between guide post with the curb plate and butt in press the board, the other end butt in the outer wall of drain pan.

Furthermore, the lock seat is concavely provided with a plurality of limiting grooves communicated with the accommodating space, and the limiting blocks are slidably arranged in the limiting grooves.

Further, the elastic lock further comprises a first fastener, the lock catch comprises a lock plate and a first clamping hook arranged above the lock plate in a protruding mode, a second through hole is formed in the lock plate in a penetrating mode, a first threaded hole is formed in the button in a corresponding mode, and the first fastener penetrates through the second through hole and then is connected with the first threaded hole.

Furthermore, the button further comprises a positioning column, the positioning column is convexly arranged on one surface, far away from the pressing plate, of the guide column, the locking plate is further provided with a positioning hole which is arranged at an interval with the second through hole in a penetrating mode, and the positioning column is clamped in the positioning hole.

Furthermore, the elastic lock further comprises two second fastening pieces, second threaded holes are formed in two ends of the lock seat respectively, two third through holes are formed in the bottom shell correspondingly, and the second fastening pieces penetrate through the third through holes and then are connected with the second threaded holes.

Furthermore, the number of the elastic locks is four, and the four elastic locks are respectively installed on two sides of the bottom shell by taking two elastic locks as a group.

Compared with the prior art, the utility model has the beneficial effects that:

the button and the lock catch are connected into a whole, the spring forces the first clamping hook on the lock catch to form clamping hook connection with the clamping part of the upper cover to realize self-locking under the condition that no external force acts on the button, when the button is pressed down, the external force pushes the lock catch to move forwards, so that the first clamping hook is separated from the clamping part to realize unlocking, and the power supply box can be opened.

Drawings

Fig. 1 is a schematic structural diagram of a quick lock structure for a power supply box according to an embodiment of the present invention;

fig. 2 is a partial sectional view of a quick lock structure for a power supply box according to an embodiment of the utility model;

FIG. 3 is a cross-sectional view of the elastic lock and the retainer in a self-locking state according to an embodiment of the present invention;

FIG. 4 is a cross-sectional view of the spring lock and catch in an unlocked position in accordance with an embodiment of the present invention;

FIG. 5 is a first diagram illustrating a portion of a spring lock according to an embodiment of the present invention;

FIG. 6 is a second schematic view of a portion of the elastic lock according to the embodiment of the present invention;

fig. 7 is a schematic view of a part of a structure of the elastic lock according to the embodiment of the present invention.

In the figure:

10. an upper cover; 11. a chucking section; 111. a second hook; 20. a bottom case; 21. a first perforation; 30. an elastic lock; 31. a button; 311. capping; 3111. pressing a plate; 3112. a side plate; 3113. a limiting block; 312. a guide post; 313. a first threaded hole; 314. a positioning column; 32. a spring; 33. a lock seat; 331. a limiting groove; 332. a second threaded hole; 34. locking; 341. a first hook; 342. a locking plate; 3421. a second perforation; 40. a power supply box; 50. mounting holes; 51. an accommodation space.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

It will also be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1 to 7, an embodiment of the present invention provides a quick-locking structure for a power supply box, the quick-locking structure for a power supply box includes an upper cover 10, a bottom case 20 and a plurality of elastic locks 30, the upper cover 10 is fastened to the bottom case 20 to form a power supply box 40, the upper cover 10 and the bottom case 20 enclose a storage chamber, a power supply can be placed in the storage chamber, the number of the elastic locks 30 is four, two of the four elastic locks 30 are respectively installed on two sides of the bottom case 20 to fix the upper cover 10 and the bottom case 20 together, and the elastic locks 30 are installed on the power supply box 40 and are integrated with the power supply box 40.

In this embodiment, the bottom of the upper cover 10 is convexly provided with a plurality of retaining portions 11, the plurality of retaining portions 11 are all located in the storage chamber, the elastic lock 30 includes a button 31, a spring 32, a lock seat 33 and a lock catch 34, the lock catch 34 is located in the storage chamber, the bottom case 20 is transversely provided with a plurality of first through holes 21 arranged at intervals in a penetrating manner, the plurality of first through holes 21 are all communicated with the storage chamber, the lock seat 33 is installed on the outer wall surface of the bottom case 20, the lock seat 33 and the bottom case 20 enclose a mounting hole 50 communicated with the first through holes 21, one end of the button 31 is slidably installed on the mounting hole 50, the other end of the button 31 is connected with the lock catch 34 after passing through the first through holes 21, the spring 32 is sleeved on the button 31 and located in the mounting hole 50, one end of the spring 32 abuts against the button 31, the other end abuts against the outer wall surface of the bottom case 20, the lock catch 34 is provided with a first hook 341 forming a hook connection with the retaining portions 11, the button 31 and the lock catch 34 are integrated structure, when the button 31 is operated without external force, the spring 32 forces the first hook 341 of the lock catch 34 to form a hooking connection with the catch 11 of the upper cover 10 to achieve self-locking, and when the button 31 is pressed, the external force pushes the lock catch 34 to move forward, so that the first hook 341 is disconnected from the catch 11 to achieve unlocking.

As a preferred embodiment, the retaining portion 11 includes a second hook 111 protruding from the bottom of the upper cover 10, the second hook 111 is located between the first hook 341 and the lock seat 33, the width of the first hook 341 is smaller than the width of the second hook 111, the second hook 111 is connected to the first hook 341 in a hook manner, and the upper cover 10 is located above the bottom case 20, so that the upper cover 10 cannot be separated from the bottom case 20, thereby forming a self-locking function.

The mounting hole 50 includes a receiving space 51 and an opening, one end of the receiving space 51 communicates with the opening, the other end communicates with the first through hole 21, the opening and the first through hole 21 are disposed oppositely, the button 31 includes a cap 311 and a guide post 312 protruding from one side of the cap 311 facing the bottom case 20, the guide post 312 is disposed transversely, one end of the cap 311 is located outside the opening, the other end passes through the opening and is clamped in the receiving space 51, the cap 311 and the bottom case 20 are disposed at an interval, the guide post 312 passes through the first through hole 21 and is connected with the latch 34, the cap 311 is restrained by the receiving space 51, the cap 311 can slide transversely relative to the bottom case 20, the receiving space 51 limits the stroke of the button 31, limits the range of the forward and backward movement of the latch 34, the spring 32 is sleeved on the guide post 312, one end of the spring 32 abuts against the cap 311, the other end abuts against the outer wall surface of the bottom case 20, the outer diameter of the spring 32 is larger than the inner diameter of the first through hole 21, to avoid the spring 32 from entering the housing chamber from the first perforation 21.

In this embodiment, the cap 311 includes a pressing plate 3111, a side plate 3112 and a plurality of stoppers 3113, the pressing plate 3111 is circular, the guiding post 312 is fixed at a middle position of the pressing plate 3111, the side plate 3112 is bent and extended from an edge of the pressing plate 3111 toward one side of the latch 34, the stopper 3113 is bent and extended from an edge of the side plate 3112 away from the pressing plate 3111 toward one side away from the guiding post 312, the pressing plate 3111 is located outside the opening, the stopper 3113 is located in the accommodating space 51, one end of the side plate 3112 is connected to the stopper 3113, the other end of the side plate 3112 is connected to the pressing plate 3111 after passing through the opening, the side plate 3112 is annular, the guiding post 312 is located in the annular side plate 3112, the guiding post 311312 and the side plate 3112 are spaced apart, one end of the spring 31132 extends into a gap between the guiding post 312 and the side plate 3112 and abuts against the pressing plate 3111, and the other end abuts against an outer wall surface of the bottom case 20.

In a preferred embodiment, the lock seat 33 is recessed with a plurality of limiting grooves 331, the plurality of limiting grooves 331 are all communicated with the accommodating space 51, the limiting block 3113 is slidably mounted in the limiting grooves 331, so that the button 31 cannot rotate relative to the lock seat 33, and since the lock catch 34 is fixed on the button 31, the lock seat 33 is fixed on the bottom shell 20, and therefore, the first hook 341 on the lock catch 34 cannot rotate relative to the bottom shell 20.

In this embodiment, the elastic lock 30 further includes a first fastening member, the locking buckle 34 includes a locking plate 342 and a first hook 341 protruding above the locking plate 342, the locking plate 342 is provided with a second through hole 3421, the button 31 is correspondingly provided with a first threaded hole 313, and the first fastening member passes through the second through hole 3421 and then is connected to the first threaded hole 313, so as to fix the locking plate 342 on the button 31.

In a preferred embodiment, the button 31 further includes a positioning post 314, the positioning post 314 is protruded on a surface of the guiding post 312 away from the pressing plate 3111, the locking plate 342 further has a positioning hole penetrating through the positioning plate, the positioning post 314 is spaced apart from the second through hole 3421, and the locking plate 342 is locked in the positioning hole, so that the locking plate 342 does not rotate relative to the guiding post 312.

The elastic lock 30 further includes two second fastening members, two ends of the lock base 33 are respectively provided with a second threaded hole 332, the bottom case 20 is correspondingly provided with two third through holes, and the second fastening members are connected with the second threaded holes 332 after passing through the third through holes, so as to fix the lock base 33 on the bottom case 20.

The working principle of the quick locking structure for the power supply box is as follows:

when the upper cover 10 and the bottom case 20 need to be locked, the upper cover 10 is directly buckled on the bottom case 20, external force is not required to be applied to the button 31, but only the external force is required to be applied to the upper cover 10, at this time, because the elastic lock 30 is installed on the bottom case 20, the contact point of the button 31 and the spring 32 is stressed under the action of the spring 32 by the lock catch 34, the button 31 can move back and forth in the accommodating space 51 of the lock seat 33, and because the button 31 and the lock catch 34 are connected into a whole, under the push of the spring 32, the spring 32 forces the first hook 341 on the lock catch 34 to form a hook connection with the second hook 111 of the upper cover 10, and the upper cover 10 is buckled back to realize the self-locking function.

When the upper cover 10 needs to be opened, the button 31 is pressed, the button 31 is pushed by external force on the button 31, the button 31 moves in the accommodating space 51 of the lock base 33, the lock catch 34 moves forward along with the button 31, the first hook 341 is disconnected with the clamping part 11, the stroke of the lock catch 34 exceeds the self-locking stroke, unlocking is achieved, at the moment, the button 31 is pressed and is not moved, the upper cover 10 is taken down, then the button 31 is loosened, and the power supply box 40 can be directly opened to achieve the purpose of maintenance.

In summary, the button 31 and the latch 34 are connected as a whole in the present invention, under the condition that no external force acts on the button 31, the spring 32 forces the first hook 341 on the latch 34 to form a hook connection with the retaining portion 11 of the upper cover 10 to achieve self-locking, when the button 31 is pressed, the external force pushes the latch 34 to move forward, so that the first hook 341 is disconnected from the retaining portion 11 to achieve unlocking, thereby the power supply box 40 can be opened, the operation of the quick-locking structure for the power supply box is simple, the time required for self-locking and unlocking is short, and the time for later maintenance is saved.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.

Claims

1. The utility model provides a power pack is with locking structure soon which characterized in that: comprises an upper cover, a bottom shell and a plurality of elastic locks, wherein the upper cover is buckled on the bottom shell and forms a containing chamber with the bottom shell, the bottom of the upper cover is convexly provided with a plurality of clamping parts which are all positioned in the containing chamber, the elastic lock comprises a button, a spring, a lock seat and a lock catch positioned in the containing chamber, the bottom shell is transversely provided with a plurality of first through holes communicated with the containing chamber in a penetrating way, the lock seat is arranged on the outer wall surface of the bottom shell and forms an installation hole communicated with the first through holes with the bottom shell in a surrounding way, one end of the button is slidably arranged on the mounting hole, the other end of the button penetrates through the first through hole and then is connected with the lock catch, the spring is sleeved on the button and positioned in the mounting hole, one end of the spring is abutted against the button, the other end of the spring is abutted against the bottom shell, and the lock catch is provided with a first clamping hook which is connected with the clamping part to form a clamping hook.

2. The quick lock structure for a power pack of claim 1, wherein: the clamping part comprises a second clamping hook which is convexly arranged at the bottom of the upper cover, the second clamping hook is positioned between the first clamping hook and the lock base, and the second clamping hook is connected with the first clamping hook through a clamping hook.

3. The quick lock structure for a power pack according to claim 2, characterized in that: the width of the first hook is smaller than that of the second hook.

4. The quick lock structure for a power pack of claim 1, wherein: the mounting hole includes accommodation space and opening, accommodation space's one end with opening intercommunication, the other end with first perforation intercommunication, the button includes the block and protruding locating the orientation of block the guide post of drain pan one side, the one end of block is located outside the opening, the other end passes the opening is arranged in with the card the accommodation space, the block with the drain pan interval sets up, the guide post passes first perforation back with the hasp is connected, the spring housing is located on the guide post, just the one end butt of spring in on the block, the other end butt in the outer wall of drain pan.

5. The quick lock structure for a power pack according to claim 4, wherein: the nut cap comprises a pressing plate fixed with the guide post, a side plate and a plurality of limiting blocks, wherein the side plate extends towards one side of the lock catch in a bending mode from the edge of the pressing plate, the limiting blocks extend towards one side of the lock catch in a bending mode from the edge of one side of the pressing plate to the edge of one side of the side plate, the pressing plate is located outside the opening, the limiting blocks are located in the accommodating space, one end of the side plate is connected with the limiting blocks, the other end of the side plate penetrates through the opening and then is connected with the pressing plate, the guide post and the side plate are arranged at intervals, one end of the spring extends into a gap between the guide post and the side plate and abuts against the pressing plate, and the other end of the spring abuts against the outer wall surface of the bottom shell.

6. The quick lock structure for a power pack according to claim 5, wherein: the lock seat is inwards provided with a plurality of limiting grooves communicated with the accommodating space, and the limiting blocks are slidably arranged in the limiting grooves.

7. The quick lock structure for a power pack according to claim 5, wherein: the elastic lock further comprises a first fastener, the lock catch comprises a lock plate and a first clamping hook which is convexly arranged above the lock plate, the lock plate is provided with a second through hole in a penetrating mode, the button is correspondingly provided with a first threaded hole, and the first fastener penetrates through the second through hole and then is connected with the first threaded hole.

8. The quick lock structure for a power pack of claim 7, wherein: the button further comprises a positioning column, the positioning column is convexly arranged on one surface, far away from the pressing plate, of the guide column, the locking plate is further provided with a positioning hole which is arranged at an interval with the second through hole in a penetrating mode, and the positioning column is clamped in the positioning hole.

9. The quick lock structure for a power pack of claim 1, wherein: the elastic lock further comprises two second fastening pieces, second threaded holes are formed in two ends of the lock seat respectively, two third through holes are formed in the bottom shell correspondingly, and the second fastening pieces penetrate through the third through holes and then are connected with the second threaded holes.

10. The quick lock structure for a power pack of claim 1, wherein: the number of the elastic locks is four, and the four elastic locks are respectively arranged on two sides of the bottom shell by taking two elastic locks as a group.