CN211776612U

CN211776612U - Door lock switch

Info

Publication number: CN211776612U
Application number: CN202020143681.8U
Authority: CN
Inventors: 陈登科; 陆灿
Original assignee: Jinhua Hongchang Electrlcal Equipment Co ltd
Current assignee: Jinhua Hongchang Electrlcal Equipment Co ltd
Priority date: 2020-01-22
Filing date: 2020-01-22
Publication date: 2020-10-27
Anticipated expiration: 2030-01-22

Abstract

The utility model provides a door lock switch belongs to electrical accessories technical field. It has solved current when with automatic assembly, and when the round needle pushed down, the round needle was easy to be pressed down with the contact of the steel wire line footpath of spring, leads to the spring to be pressed the deformation or the round needle warp. Thereby make their contact failure scheduling problem, a door lock switch, including the casing, the inside door lock device that is provided with of casing, door lock device include the fixing base and install in the inside drive block of fixing base, are provided with in the fixing base and are used for driving the gliding electric drive structure of drive block on length direction, and the electric drive structure is connected with guide pin one, is provided with time delay protection component in the fixing base, and time delay protection component includes the flexure strip of being connected with a guide pin contact. The utility model has the advantages of good contact between the first guide pin and the elastic sheet.

Description

Door lock switch

Technical Field

The utility model belongs to the technical field of electrical accessories, in particular to door lock switch.

Background

The door lock of the electric appliance plays a crucial role in the electric appliance, when the electric appliance normally works, in order to ensure safety, the working space inside the electric appliance is required to be a closed space, in particular to the electric appliances such as a washing machine and a dish washing machine, if the door is randomly opened during working, not only can external sundries enter the inside of the electric appliance to damage the electric appliance, but also can bring danger to people who touch the working parts inside the electric appliance carelessly, unnecessary damage is caused, if the door lock of the electric appliance can not guarantee locking during normal working, the articles inside the electric appliance can also fly out of the working space, so that the product quality of the electric appliance is seriously influenced, and great inconvenience is brought to normal use.

To the above-mentioned problem, people have designed various electrical apparatus locks for promote the factor of safety of electrical apparatus, make electrical apparatus during operation door can automatic locking, can't open from inside, and the outside back of opening of door, electrical apparatus can in time stop work. When current time delay protection component and electric drive structure assemble, the cylindrical needle that adopts time delay protection component's spring and electric drive structure to connect carries out the crimping, and time delay protection component mainly is in order to prevent the overheated damage of electric drive structure in the in-process that uses, but the problem that exists is, when with automatic assembly, when the round needle pushes down, the round needle is easy to be pressed down with the steel wire line footpath contact of spring, leads to the spring to be pressed out of shape or the round needle warp. Thereby making them in poor contact.

Disclosure of Invention

The utility model aims at providing a lock switch to the above-mentioned problem that exists among the prior art.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides a door lock switch, its characterized in that, includes the casing, the inside door lock device that is provided with of casing, door lock device include the fixing base and install in the inside drive block of fixing base, the fixing base in be provided with and be used for driving the gliding electric drive structure of drive block on length direction, electric drive structure be connected with guide pin one, the fixing base in be provided with time delay protection component, time delay protection component include the flexure strip of being connected with a guide pin contact.

The utility model discloses a theory of operation: the utility model discloses an elastic sheet replaces the spring to make things convenient for pushing down of guide pin one, can not press down because of the steel wire line footpath contact with the spring, make guide pin one and elastic sheet contact good, make things convenient for the assembly between electric drive structure and the time delay protection component.

In the above door lock switch, the first guide pin is a square pin.

In the above door lock switch, the elastic piece is a spring piece, the elastic piece is provided with a notch, and the notch is provided with an inclined plane.

In the above door lock switch, the head of the elastic piece is provided with an abutting block for preventing the head of the elastic piece from being ejected, and the head end of the elastic piece is pressed against the abutting block.

In the above door lock switch, the time delay protection member further includes a cylindrical top portion at a rear end of the elastic piece.

In a door lock switch of the aforesaid, the fixing base be provided with the upper cover, the upper cover be provided with the stopper, the stopper press on the arc surface at top.

In the door lock switch, the casing is internally provided with the lock hook capable of rotating circumferentially, a torsion spring is connected between the casing and the lock hook, the casing is provided with a lock opening corresponding to the position of the lock hook, and the lock opening can be used for inserting a door lock on an appliance door; the locking mechanism is characterized in that an unlocking sliding block capable of sliding along the length direction is arranged inside the shell, a sliding groove is formed in the unlocking sliding block, a guide protruding block matched with the sliding groove is arranged on the back of the driving block, the driving block can drive the unlocking sliding block to slide, and the unlocking sliding block is used for controlling locking of the locking hook.

Compared with the prior art, the utility model has the advantages of it is following:

1. the utility model discloses guide pin one and flexure strip contact are good, and the convenient assembling between electric drive structure and the time delay protection component.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural diagram of the internal structure of the housing of the present invention;

fig. 3 is a schematic structural diagram of the delay protection element of the present invention;

fig. 4 is a schematic structural view of the abutting block of the present invention;

fig. 5 is a schematic structural view of the elastic sheet of the present invention;

FIG. 6 is an enlarged schematic view of the elastic sheet of the present invention;

FIG. 7 is a schematic structural diagram of the limiting block of the present invention;

fig. 8 is a schematic structural view of the locking notch of the present invention;

fig. 9 is a schematic structural view of the sliding chute of the present invention;

fig. 10 is a schematic structural view of the guide projection of the present invention.

In the figure, 1, a housing; 2. a door lock device; 3. a fixed seat; 4. a drive block; 5. an electrically driven structure; 6. A first guide pin; 7. a time-delay protection element; 8. an elastic sheet; 9. a recess; 10. a bevel; 11. a butting block; 12. a top portion; 13. an upper cover; 14. a limiting block; 15. a latch hook; 16. a torsion spring; 17. locking the opening; 18. unlocking the slide block; 19. a chute; 20. and a guide projection.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 10, a door lock switch includes a housing 1, a door lock device 2 is disposed inside the housing 1, the door lock device 2 includes a fixing seat 3 and a driving block 4 installed inside the fixing seat 3, an electric driving structure 5 for driving the driving block 4 to slide in a length direction is disposed in the fixing seat 3, the electric driving structure 5 is connected with a first guide pin 6, a delay protection element 7 is disposed in the fixing seat 3, and the delay protection element 7 includes an elastic sheet 8 in contact connection with the first guide pin 6.

In more detail, the guide pin one 6 is a square pin. The traditional cylindrical guide pin I6 is easy to rotate, and because the enameled wire is wound in the electric driving structure 5 and at the connecting part of the guide pin I6, the enameled wire is easy to break when the guide pin I6 rotates a little. The utility model discloses when can avoid guide pin 6 assembly to push down the flexure strip 8 with square needle, guide pin 6 rotates, prevents that the enameled wire from breaking.

In more detail, the elastic piece 8 is a spring piece, the elastic piece 8 is provided with a notch 9, and the notch 9 is provided with an inclined surface 10. During assembly, the elastic sheet 8 is firstly installed, then the top (namely the PTC sheet) is installed, after the elastic sheet 8 is installed, the head end of the elastic sheet 8 abuts against the abutting block 11, the tail end of the elastic sheet 8 abuts against the top 12 in a circular arc shape, when the electric driving structure 5 is installed, the first guide pin 6 connected with the electric driving structure 5 presses the elastic sheet 8 back to deform along the circular arc surface of the elastic sheet 8, and the 'eight' -shaped opening (namely the notch 9) of the circular arc is pressed to be small, so that contact elastic force is formed.

In more detail, the head of the elastic piece 8 is provided with an abutting block 11 for preventing the head of the elastic piece 8 from being ejected, and the head end of the elastic piece 8 is pressed against the abutting block 11. The head end of the elastic piece 8 is pressed against the abutment block 11 so that the head end of the elastic piece 8 does not pop out.

In further detail, the time delay protection element 7 further comprises a cylindrical top portion 12 at the rear end of the elastic piece 8. The fixing seat 3 is provided with an upper cover 13, the upper cover 13 is provided with a limiting block 14, and the limiting block 14 is pressed on the arc surface of the top 12. The upper cover 13 is provided with a raised limiting block 14, the limiting block 14 is pressed on the arc surface of the top 12, and the arc-shaped top 12 of the elastic sheet 8 is ensured not to pop up even if electric appliances such as a washing machine vibrate when in use.

In more detail, a locking hook 15 capable of rotating circumferentially is arranged in the shell 1, a torsion spring 16 is connected between the shell 1 and the locking hook 15, a locking notch 17 corresponding to the locking hook 15 is formed in the shell 1, and the locking notch 17 can be used for inserting a door lock on an appliance door; the inside unblock slider 18 that can slide along length direction that is provided with of casing 1, unblock slider 18 is last to be provided with spout 19, and the back of driving block 4 has the guide lug 20 with spout 19 matched with, and the driving block 4 can drive unblock slider 18 and slide, and unblock slider 18 is used for controlling latch hook 15 locking.

Under the electrical apparatus does not start-up state, drive block 4 is located the downside, unblock slider 18 is located the left side, latch hook 15 is in not locking state this moment, when the lock on the electrical apparatus door inserts from fore shaft 17, electric drive structure 5 starts and drive block 4 slides to the upside, because the direction lug 20 card at drive block 4 back is in the spout 19 of unblock slider 18, drive block 4 drives unblock slider 18 and slides to the right side, the door hook is in the locking state this moment, the lock can't be deviate from fore shaft 17. After the electric appliance is used, the electric driving structure 5 is started and drives the driving block 4 to reset to the lower side, the unlocking slide block 18 resets, the door hook is in an unlocked state at the moment, and the door lock can be disengaged from the lock opening 17. The utility model discloses in, when unblock slider 18 slided to the right side, unblock slider 18 supported and leaned on in the lower part of latch hook 15, had restricted latch hook 15 circumferential direction, reached the purpose of locking latch hook 15. The utility model discloses a 5 drive block 4 control latch hooks 15's of electric drive structure locking, simple structure has reduced spare part quantity, convenient assembly. Just the utility model discloses directly make 15 locking of latch hooks through drive block 4 control unblock slider 18, the locking dynamics is big, can prevent effectively that the electrical apparatus door from opening in the electrical apparatus use.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms of the housing 1, the door lock device 2, the fixed seat 3, the driving block 4, the electric driving structure 5, the first guide pin 6, the time delay protection element 7, the elastic piece 8, the notch 9, the inclined surface 10, the abutting block 11, the top 12, the upper cover 13, the limit block 14, the latch hook 15, the torsion spring 16, the locking notch 17, the unlocking slider 18, the sliding groove 19, the guiding protrusion 20, etc. are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The utility model provides a door lock switch, its characterized in that, includes casing (1), casing (1) inside be provided with door lock device (2), door lock device (2) including fixing base (3) and install in inside drive block (4) of fixing base (3), fixing base (3) in be provided with and be used for driving drive block (4) gliding electric drive structure (5) in length direction, electric drive structure (5) be connected with guide pin (6), fixing base (3) in be provided with time delay protection component (7), time delay protection component (7) include elastic sheet (8) of being connected with guide pin (6) contact.

2. A door lock switch according to claim 1, characterized in that said first guide pin (6) is a square pin.

3. A door lock switch according to claim 1, wherein said resilient member (8) is a leaf spring, said resilient member (8) is provided with a recess (9), and a ramp (10) is provided at said recess (9).

4. A door lock switch according to claim 1, characterized in that the head of the spring plate (8) is provided with an abutment block (11) for preventing the spring plate (8) head from being ejected, the head of the spring plate (8) being pressed against the abutment block (11).

5. A door lock switch according to claim 1, characterized in that said time-delay protection element (7) further comprises a cylindrical top portion (12) at the rear end of the elastic piece (8).

6. A door lock switch according to claim 5, characterized in that the holder (3) is provided with an upper cover (13), the upper cover (13) is provided with a stopper (14), and the stopper (14) is pressed against the circular arc surface of the top part (12).

7. The door lock switch according to claim 1, wherein a latch hook (15) capable of rotating circumferentially is arranged in the housing (1), a torsion spring (16) is connected between the housing (1) and the latch hook (15), a lock opening (17) corresponding to the latch hook (15) is formed in the housing (1), and the lock opening (17) can be used for inserting a door lock on an appliance door; the locking mechanism is characterized in that an unlocking sliding block (18) capable of sliding along the length direction is arranged inside the shell (1), a sliding groove (19) is formed in the unlocking sliding block (18), a guide protruding block (20) matched with the sliding groove (19) is arranged on the back of the driving block (4), the driving block (4) can drive the unlocking sliding block (18) to slide, and the unlocking sliding block (18) is used for controlling the locking of the locking hook (15).