CN218244157U

CN218244157U - Screw-free fixed circuit board shell for power supply

Info

Publication number: CN218244157U
Application number: CN202222346969.7U
Authority: CN
Inventors: 王益田; 毛广志; 聂吉林
Original assignee: Dongguan Haike Electronics Co ltd
Current assignee: Dongguan Haike Electronics Co ltd
Priority date: 2022-09-05
Filing date: 2022-09-05
Publication date: 2023-01-06
Anticipated expiration: 2032-09-05

Abstract

The utility model relates to a communication equipment assembles the field, concretely designs a power is with exempting from screw fixation circuit board casing, and its technical scheme is: shell and power go up the shell under the power, the outer wall symmetry of shell sets up flutedly under the power, still including exempting from screw fixing device, screw fixing device is exempted from in the inner wall of shell and the outer wall of shell is installed to the outer wall of power on under the power, the beneficial effects of the utility model are that: through installing the recess, the power upper shell, the connecting block, a spacing groove, a spring, the hypotenuse piece, no. three springs have realized exempting from screw fixation's function, the connecting block removes and drives the hypotenuse piece and removes, the hypotenuse and the recess contact of hypotenuse piece, make the hypotenuse piece move along the hypotenuse and get into a spacing inslot, slider and sliding block contact, push the sliding block in No. three spacing grooves, no. three spring atress shrink, the hypotenuse piece no longer contacts with the inner wall of recess, make a spring extension that resets, promote the hypotenuse piece and shift out from a spacing inslot, thereby realized exempting from screw fixation's function.

Description

Screw-free fixed circuit board shell for power supply

Technical Field

The utility model relates to a communication equipment assembles the field, concretely relates to screw-free fixed circuit board casing is used to power.

Background

The power is a device for converting energy in other forms into electric energy and providing the electric energy for a circuit (electronic equipment), the power can be divided into a common power supply and a special power supply, the common power supply comprises a switching power supply, an inverter power supply and the like, the special power supply comprises a shore power supply, a security protection power supply and the like, but most of the power supplies used in life are mobile power supplies, and a circuit board and a battery are installed in the mobile power supplies, so that the function of supplying power to the electronic equipment at any time can be realized.

The prior art has the following defects: most of the existing portable power sources are installed through screws, a few portable power sources can be adhered through adhesives, the portable power sources are very complicated to install when the portable power sources are fixed through the screws, if a circuit board of the portable power sources is damaged and needs to be maintained, the screws need to be completely taken out and then disassembled, the disassembling is very troublesome, the portable power sources are fixed through the screws at a very high cost, and the production efficiency is influenced due to the fact that the mounting speed is low.

Therefore, there is a need for a screw-free circuit board housing for power supply.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a power is with exempting from screw fixation circuit board casing, it removes to drive the hypotenuse piece through the connecting block and removes, the hypotenuse and the recess contact of hypotenuse piece, make the hypotenuse piece move along the hypotenuse and get into a spacing inslot, the shrink of spring atress No. one, slider and sliding block contact, push the sliding block in No. three spacing grooves, the shrink of spring atress No. three, the connecting block gets into in the recess, the hypotenuse piece no longer contacts with the inner wall of recess, make a spring reset extension, promote the hypotenuse piece and shift out from a spacing inslot, in order to solve the problem that needs to use the screw fixation.

In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a power is with exempting from screw fixed circuit board casing, includes shell under the power and shell on the power, the recess has been seted up to the outer wall symmetry of shell under the power, still including exempting from screw fixing device, screw fixing device is exempted from to the inner wall of shell under the power and the outer wall of shell on the power install.

Preferably, exempt from screw fixing device and include the connecting block, the connecting block is installed to the outer wall symmetry of shell on the power, a spacing groove has been seted up to the inner wall of connecting block.

Preferably, exempt from screw fixing device and include a spring, a spring is installed to the inner wall of a spacing groove, the sloping piece is installed to the one end of a spring, sloping piece and connecting block sliding connection.

Preferably, exempt from screw fixing device and include No. three spacing grooves, no. three spacing grooves have been seted up to the inner wall symmetry of shell under the power, no. three springs are installed to the inner wall of No. three spacing grooves, the sliding block is installed to the one end of No. three springs, shell sliding connection under sliding block and the power.

Preferably, no. two spacing grooves have been seted up to the inner wall symmetry of shell under the power, no. two springs are installed to the inner wall of No. two spacing grooves, the top slidable mounting of shell has the button under the power, the fixed block is installed to the outer wall symmetry of button, the fixed block is installed to the one end of No. two springs.

Preferably, the top of the lower power supply shell is symmetrically provided with sliding grooves, and the bottom of the upper power supply shell is symmetrically provided with sliding blocks.

Preferably, the top of the power supply lower shell is provided with a fixing groove, a circuit board is fixedly mounted on the inner wall of the fixing groove, and an interface is arranged on the outer wall of the power supply lower shell.

The utility model has the advantages that:

1. the utility model discloses an install the recess, power upper shell, the connecting block, a spacing groove, a spring, the bevel edge piece, no. three spacing grooves, no. three springs, the sliding block has realized exempting from the function of screw fixation, when needs are installed, the slider of power upper shell bottom aims at the sliding groove, with power upper shell and power lower shell laminating removal, power upper shell removes the connecting block that drives power upper shell and moves, the connecting block removes and drives the bevel edge piece and removes, the hypotenuse of bevel edge piece contacts with the recess, make the bevel edge piece move into No. one spacing groove along the hypotenuse, a spring atress shrink, the slider contacts with the sliding block, push the sliding block into No. three spacing grooves, no. three spring atress shrink, the connecting block gets into the recess, the bevel edge piece no longer contacts with the inner wall of recess, make a spring extension that resets, promote the bevel edge piece to shift out from a spacing groove, make the connecting block fixed in the recess, power upper shell is connected with power lower shell fixed, thereby realized exempting from the function of screw fixation;

2. the utility model discloses an install No. two spacing grooves, button, fixed block, no. two springs and realized the function of quick dismantlement, when needs are dismantled, press the button, button downstream and hypotenuse piece contact for the hypotenuse piece removes and gets into a spacing inslot, and the connecting block can remove, and No. three spring reset extension makes shell separation under sliding block impulse power supply upper shell and the power, thereby has realized the function of quick dismantlement.

Drawings

Fig. 1 is a schematic view of the overall structure provided by the present invention;

fig. 2 is a schematic side view of the present invention;

fig. 3 is a schematic front structural view provided by the present invention;

fig. 4 is a schematic diagram of an enlarged partial structure at a in fig. 2 according to the present invention.

In the figure: 1. a power supply lower housing; 101. a groove; 2. an upper power supply housing; 201. connecting blocks; 202. a first limit groove; 3. a first spring; 301. a bevel edge block; 4. a second limiting groove; 401. a button; 402. a fixed block; 403. a second spring; 5. a third limiting groove; 501. a third spring; 502. a slider; 6. a sliding groove; 601. a slider; 7. fixing grooves; 701. a circuit board; 702. an interface.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Referring to the attached drawings 1-4, the utility model provides a screw-free fixed circuit board casing for power supply, which comprises a lower power supply casing 1 and an upper power supply casing 2, wherein the outer wall of the lower power supply casing 1 is symmetrically provided with a groove 101, the screw-free fixed circuit board casing further comprises a screw-free fixing device, the inner wall of the lower power supply casing 1 and the outer wall of the upper power supply casing 2 are provided with the screw-free fixing device, the outer wall of the upper power supply casing 2 is symmetrically provided with a connecting block 201, the inner wall of the connecting block 201 is provided with a first limiting groove 202, the inner wall of the first limiting groove 202 is provided with a first spring 3, one end of the first spring 3 is provided with an inclined edge block 301, the inclined edge block 301 is connected with the connecting block 201 in a sliding manner, the inner wall of the lower power supply casing 1 is symmetrically provided with a second limiting groove 4, the inner wall of the second limiting groove 4 is provided with a second spring 403, the top of the lower power supply casing 1 is provided with a button 401 in a sliding manner, the outer wall of the button 401 is symmetrically provided with a fixed block 402, the fixing block 402 is installed at one end of the second spring 403, the third limiting groove 5 is symmetrically formed in the inner wall of the lower power supply shell 1, the third spring 501 is installed on the inner wall of the third limiting groove 5, the sliding block 502 is installed at one end of the third spring 501, the sliding block 502 is in sliding connection with the lower power supply shell 1, specifically, the first spring 3 is connected with the bevel edge block 301 and installed in the first limiting groove 202, so that the bevel edge block 301 can be quickly reset in the moving process, the second spring 403 is connected with the fixing block 402 on the button 401, so that the button 401 can be quickly reset in the pressing process, the third spring 501 is connected with the sliding block 502 and installed in the third limiting groove 5, so that the sliding block 502 can be quickly reset, because the sliding block 502 is in contact with the outer wall of the upper power supply shell 2, the sliding block 502 can drive the upper power supply shell 2 to move when the installation is needed, the slider 601 at the bottom of the shell 2 on the power supply is aligned with the sliding groove 6, the shell 2 on the power supply is attached to the shell 1 under the shell 2 and the power supply, the shell 2 on the power supply is moved to drive the connecting block 201 on the shell 2 on the power supply to move, the connecting block 201 is moved to drive the bevel block 301 to move, the bevel block 301 is contacted with the groove 101, the bevel block 301 is moved along the bevel to enter the first limiting groove 202, the first spring 3 is contracted under stress, the slider 601 is contacted with the sliding block 502, the sliding block 502 is pushed into the third limiting groove 5, the third spring 501 is contracted under stress, the connecting block 201 enters the groove 101, the bevel block 301 is not contacted with the inner wall of the groove 101, the first spring 3 is reset and extended, the bevel block 301 is pushed to move out of the first limiting groove 202, the connecting block 201 is fixed in the groove 101, the shell 2 on the power supply is fixedly connected with the shell 1 under the power supply, the screw-free fixing function is realized, when the disassembly is needed, the button 401 is pushed downwards to contact with the bevel block 301, the sliding block can be moved into the first limiting groove 202, the quick disassembly of the third spring 501 and the sliding block 502 can be realized.

Sliding tray 6 has been seted up to shell 1's top symmetry under the power, slider 601 is installed to shell 2's bottom symmetry on the power, fixed slot 7 has been seted up at shell 1's top under the power, the inner wall fixed mounting of fixed slot 7 has circuit board 701, interface 702 has been seted up to shell 1's outer wall under the power, it is specific, slider 601 and sliding tray 6's positive shape are unanimous, all be trapezoidal, make shell 2 and power down more closely firm that shell 1 connects on the power, fixed slot 7 is used for fixed circuit board 701, interface 702's effect is convenient for be connected the power supply with external equipment.

The utility model discloses a use as follows: the technical personnel in the field aim at a sliding groove 6 with a sliding block 601 at the bottom of an upper power supply shell 2, the upper power supply shell 2 and a lower power supply shell 1 are attached to move, the upper power supply shell 2 moves to drive a connecting block 201 on the upper power supply shell 2 to move, the connecting block 201 moves to drive a bevel block 301 to move, the bevel edge of the bevel block 301 is in contact with a groove 101, the bevel block 301 moves along the bevel edge to enter a first limiting groove 202, a spring 3 is contracted under force, the sliding block 601 is in contact with the sliding block 502, the sliding block 502 is pushed into a third limiting groove 5, the third spring 501 contracts under force, the connecting block 201 enters the groove 101, the bevel block 301 is not in contact with the inner wall of the groove 101, the first spring 3 is reset to extend, the bevel block 301 is pushed to move out of the first limiting groove 202, the connecting block 201 is fixed in the groove 101, the upper power supply shell 2 is fixedly connected with the lower power supply shell 1, the screw-free fixing function is realized, when the disassembly is needed, the button 401 is pressed, the button 401 moves downwards to contact with the bevel block 301 to enter the first limiting groove, the connecting block 202, the upper power supply shell can move, the third shell 2 can be capable of pushing the upper power supply shell to separate the lower shell from the sliding block 502, and the shell 502, thereby the quick disassembly of the sliding block 502, and the quick disassembly of the sliding block 502 is realized.

The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solutions described above. Therefore, any simple modifications or equivalent replacements made according to the technical solution of the present invention belong to the scope of the claimed invention as far as possible.

Claims

1. The utility model provides a power is with exempting from screw fixation circuit board casing, includes shell (1) under the power and shell (2) on the power, recess (101), its characterized in that have been seted up to the outer wall symmetry of shell (1) under the power: the power supply is characterized by further comprising a screw-free fixing device, wherein the screw-free fixing device is arranged on the inner wall of the lower power supply shell (1) and the outer wall of the upper power supply shell (2).

2. The screw-free fixed circuit board shell for the power supply as claimed in claim 1, wherein: exempt from screw fixing device and include connecting block (201), connecting block (201) are installed to the outer wall symmetry of shell (2) on the power, spacing groove (202) No. one have been seted up to the inner wall of connecting block (201).

3. The screw-free fixed circuit board shell for the power supply as claimed in claim 2, wherein: exempt from screw fixing device and include a spring (3), spring (3) are installed to the inner wall of a spacing groove (202), sloping piece (301) is installed to the one end of a spring (3), sloping piece (301) and connecting block (201) sliding connection.

4. The screw-free fixed circuit board shell for the power supply as claimed in claim 3, wherein: exempt from screw fixing device and include No. three spacing grooves (5), no. three spacing grooves (5) have been seted up to the inner wall symmetry of shell (1) under the power, no. three spring (501) are installed to the inner wall of No. three spacing grooves (5), sliding block (502) are installed to the one end of No. three spring (501), shell (1) sliding connection under sliding block (502) and the power.

5. The screw-free fixed circuit board shell for the power supply as claimed in claim 1, wherein: no. two spacing grooves (4) have been seted up to the inner wall symmetry of shell (1) under the power, no. two spring (403) are installed to the inner wall of No. two spacing grooves (4), the top slidable mounting of shell (1) has button (401) under the power, fixed block (402) are installed to the outer wall symmetry of button (401), fixed block (402) are installed to the one end of No. two spring (403).

6. The screw-free fixed circuit board shell for the power supply as claimed in claim 1, wherein: the top symmetry of shell (1) has seted up sliding tray (6) under the power, slider (601) are installed to the bottom symmetry of shell (2) on the power.

7. The screw-free fixed circuit board shell for the power supply as claimed in claim 1, wherein: the top of shell (1) has seted up fixed slot (7) under the power, the inner wall fixed mounting of fixed slot (7) has circuit board (701), interface (702) have been seted up to the outer wall of shell (1) under the power.