CN216406453U

CN216406453U - Door lock structure and electric appliance

Info

Publication number: CN216406453U
Application number: CN202122278215.8U
Authority: CN
Inventors: 林子豪
Original assignee: Dreame Innovation Technology Suzhou Co Ltd
Current assignee: Dreame Innovation Technology Suzhou Co Ltd
Priority date: 2021-09-18
Filing date: 2021-09-18
Publication date: 2022-04-29
Anticipated expiration: 2031-09-18

Abstract

The utility model discloses a door lock structure, which is used between a box body and a double door, wherein the double door comprises a first door and a second door which are sequentially distributed on an opening of the box body; the tension mechanism is suitable for being arranged on the box body; the tension mechanism comprises an energy storage elastic part and a pull rope; the free end of the pull rope is connected with the linkage mechanism, and the fixed end of the pull rope is connected with the energy storage elastic part; when the door is opened, the energy storage elastic piece is drawn by the linkage mechanism to deform so as to store energy; when the door is closed, the energy storage elastic element releases energy storage to drive the linkage mechanism to drive the first door and the second door to rotate so as to close the door. The utility model also discloses an electric appliance. From this, link gear passes through the pulling force mechanism and pulls the linkage, can effectively reduce the speed that two doors opened, and two doors can provide traction force again when closing simultaneously, reduce cost has promoted and has used experience.

Description

Door lock structure and electric appliance

Technical Field

The utility model relates to the field of life, in particular to a door lock structure and an electric appliance.

Background

The door lock structure on the current market is the double door structure for the vast majority, general double door includes first door and second door, first door and second door are vertical and distribute from top to bottom, perhaps distribute in proper order on the horizontal direction, set up link gear usually between first door and second door and box, realize that first door and second door synchronous linkage open or close, it is too fast in order to prevent the speed that double door opened, it is big to close required pulling force correspondingly, still need to set up pulling force mechanism usually, with the link gear effect, reduce the speed that link gear opened the door, and the drive power that increase link gear closed the door needs very little power can close first door and second door, however, current pulling force mechanism's structure is complicated, shared space is big.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a miniaturized door lock structure.

In order to achieve the purpose, the utility model adopts the following technical scheme: a door lock structure is used between a box body and a double door, wherein the double door comprises a first door and a second door which are sequentially distributed on an opening of the box body; the door lock structure includes:

the linkage mechanism is used for linking and connecting the first door, the second door and the side wall of the box body to force the first door and the second door to synchronously rotate;

the tension mechanism is suitable for being arranged on the box body; the tension mechanism comprises an energy storage elastic part and a pull rope; the free end of the pull rope is connected with the linkage mechanism, and the fixed end of the pull rope is connected with the energy storage elastic part;

when the door is opened, the energy storage elastic piece is drawn by the linkage mechanism to deform so as to store energy; when the door is closed, the energy storage elastic piece releases energy storage to drive the linkage mechanism to drive the first door and the second door to rotate so as to close the door.

Further, the energy storage elastic member is an extension spring.

Further, the tension mechanism further comprises an adjusting component for adjusting the traction force of the pull rope, and the adjusting component comprises two opposite supporting parts arranged on the side wall of the box body;

an installation area is formed between the two support parts, and at least two fixing positions which are distributed in parallel along the length direction of the energy storage elastic part are arranged in the installation area;

the mounting end of the energy storage elastic element, which is far away from one side of the pull rope, can be arranged at any fixed position by moving in the mounting area.

Further, the fixing position is one of a clamping groove and a clamping part arranged in the mounting area, correspondingly, the other of the clamping part and the clamping groove is arranged on the mounting end of the energy storage elastic part, and two ends of the clamping part are clamped in the clamping groove.

Furthermore, the pulling mechanism also comprises at least one pulley which is suitable for being arranged on the box body, and the pulling rope is wound on the peripheries of the pulleys and at least used for changing the trend of the pulling rope.

Further, the linkage mechanism comprises

The first hinge is rotatably arranged on the side wall of the box body, and the first end of the first hinge is suitable for being fixedly connected with the first door;

the second hinge is rotatably arranged on the side wall of the box body, and the first end of the second hinge is suitable for being fixedly connected with the second door;

the linkage piece is arranged on the side wall of the box body;

the second end of the first hinge and the second end of the second hinge are respectively and movably arranged on the linkage piece;

when the first connecting part on the first door or the second door is separated from the first matching part on the box body and the door where the first connecting part is located rotates, the first hinge and the second hinge move on the linkage piece to drive the other door to move synchronously in a linkage manner so as to open the door;

in a door closing state, the first connecting part and the first matching part are matched and locked;

the free end of the pull rope is connected with the linkage piece.

Furthermore, the linkage piece comprises a first pivot part which is suitable for being rotatably arranged on the box body, and a first extension arm and a second extension arm which are positioned at two sides of the first pivot part, wherein a first sliding groove and a second sliding groove are respectively arranged on the first extension arm and the second extension arm;

the first hinge is provided with a first convex column which is slidably arranged in the first sliding groove, and the second hinge is provided with a second convex column which is slidably arranged in the second sliding groove;

the free end of the pull rope is connected with the first extension arm or the second extension arm.

Furthermore, the free end of the pull rope is provided with an annular part, the free end of the first extension arm or the free end of the second extension arm is provided with a hook part, and the annular part is sleeved on the hook part.

Further, also includes

The locking mechanism is suitable for being arranged on the first door or the second door and comprises a transmission part which is rotatably arranged on the first door or the second door, and the first connecting part and the hand locking part which are respectively arranged at the two ends of the transmission part;

the first connecting part can be matched and locked with the first matching part on the box body, and the first door and the second door are in a closed state; the transmission piece is driven to rotate by applying acting force to the hand buckling part, the first connecting part is driven to be separated from the first matching part, and the first door and the second door are in an opening state.

Furthermore, the locking mechanism further comprises a second connecting part, and the second connecting part is arranged on the corresponding hinge of the door where the first connecting part is arranged;

the second matching part is arranged on the door which is not provided with the first connecting part;

and in a door closing state, the second connecting part is matched and locked with the second matching part.

In the door opening process, the second connecting part is separated from the second matching part along with the rotation of the hinge where the second connecting part is located.

The utility model also discloses an electric appliance, which comprises

A case having an opening;

the door lock structure is described above;

the first door and the second door are sequentially distributed and rotatably arranged on the opening through a door lock structure so as to switch between closing the opening and opening the opening.

Compared with the prior art, the utility model has the beneficial effects that: according to the door lock structure, the first door and the second door are in linkage connection through the linkage mechanism, so that the first door and the second door are forced to synchronously rotate, the energy storage elastic part is connected with the linkage mechanism through the pull rope, when the first door and the second door are opened, the linkage mechanism is driven to rotate, the energy storage elastic part is pulled by the pull rope to deform and store energy, and the energy storage elastic part has a certain resistance effect on the linkage mechanism due to the fact that the side length of the moment accelerates the door body to descend, so that the door body can be prevented from being damaged due to the fact that the door body is opened too fast; when the first door and the second door are closed, the linkage mechanism is driven to rotate reversely, the energy storage elastic piece releases energy storage at the moment, the linkage mechanism is driven to drive the door body to rotate, physical strength is saved, and the door lock structure is simplified.

The electric appliance realizes stable transmission of the double doors in the opening and closing processes by using the tension mechanism, simplifies the tension mechanism, reduces the production cost and improves the switching efficiency of opening or closing the doors.

Drawings

FIG. 1 is a perspective assembly view of an electrical appliance provided by the present invention;

FIG. 2 is an enlarged partial schematic view of 33 of FIG. 1;

FIG. 3 is a schematic perspective exploded view of a door lock structure level electrical appliance according to the present invention;

FIG. 4 is an exploded perspective view of the alternate angle of FIG. 3;

FIG. 5 is an enlarged view of a portion A of FIG. 4;

FIG. 6 is a perspective view of the door lock structure and the first door of the appliance in accordance with the present invention;

FIG. 7 is an exploded perspective view of FIG. 5;

FIG. 8 is a perspective view of the door lock structure showing the disengagement of the handle portion from the first door;

FIG. 9 is an enlarged partial view of portion B of FIG. 7;

FIG. 10 is a perspective view of the door lock structure and the first door inner driving member, the tension spring, and the second connecting portion of the electrical appliance of the present invention;

FIG. 11 is a partially enlarged view of the door lock structure and the second connecting portion and the second mating portion of the electrical appliance in accordance with the present invention;

fig. 12 is a schematic perspective view of the door lock structure and the electric appliance linkage structure according to the present invention.

Detailed Description

Exemplary embodiments of the present invention will be described in detail below with reference to the accompanying drawings. If several embodiments exist, the features of these embodiments may be combined with each other without conflict. When the description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The statements made in the following exemplary detailed description do not represent all implementations consistent with the present disclosure; rather, they are merely examples of apparatus, products, and/or methods consistent with certain aspects of the utility model, as set forth in the claims below.

The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to limit the scope of the present invention. As used in the specification and claims of this invention, the singular form of "a", "an", or "the" is intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be understood that the use of terms such as "first," "second," and the like, in the description and in the claims of the present invention do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. Unless otherwise indicated, the terms "front," "back," "up," "down," and the like in the description of the utility model are used for convenience of description and are not limited to a particular position or spatial orientation. The word "comprise" or "comprises", and the like, is an open-ended expression meaning that an element that precedes "includes" or "comprising" includes "that the element that follows" includes "or" comprises "and its equivalents, that do not preclude the element that precedes" includes "or" comprising "from also including other elements. If the utility model is referred to as "a plurality", it means two or more.

Referring to fig. 1, the present invention discloses a door lock structure applied to a household appliance 200. The household appliance 200 includes a cabinet 210, and a door 220 operable with respect to the cabinet 210. The door 220 is a double door including a first door 221 and a second door 222, and a door lock structure is disposed between the cabinet and the door 220 for lockingly coupling the door 220 to the cabinet 210. The door 220 has a closed state and an open state, and when the door 220 is in the closed state, the door 220 is locked and connected to the case 210; when the door 220 is in the open state, the door 220 can operate with respect to the cabinet 210.

Referring to fig. 1 and 2, the box 210 has an opening 211. The case 210 includes a top wall 212, two side walls 213 extending vertically downward from left and right sides of the top wall 212, a rear wall 214 connected to a rear side of the top wall 212 and connected to the two side walls 213, and a bottom wall 215 connecting the two side walls 213 and the rear wall 214. A top wall 212, two side walls 213 and a rear wall 214 enclose an accommodation space 217. The door 220 is disposed in front of the cabinet 210 opposite to the rear wall 214, and when the door 220 is in a closed state, the door 220 is locked by a door lock structure to cover the opening 211; when the door 220 is in an open state, the door 220 operates with respect to the cabinet 210 to open the opening of the cabinet 210. The two side walls 213 of the box 210 are respectively provided with a first engaging portion 216 at the front end, and in this embodiment, the first engaging portion 216 is a snap seat.

Referring to fig. 1 and 9, the door lock structure includes a latch mechanism 1, a linkage mechanism 2 and a tension mechanism 3. The latch mechanism 1 is adapted to be disposed on the first door 221 or the second door 222. The linkage mechanism 2 is used for linking the first door 221, the second door 222 and the side wall of the box 210, so as to force the first door 221 and the second door 222 to rotate synchronously. The tension mechanism 3 is used for storing energy during the door opening process to prevent the first door 221 and the second door 222 from rotating too fast; and releases the stored energy during the door closing process to drive the linkage mechanism 2 to drive the first door 221 and the second door 222 to rotate so as to close the door.

Example 1:

referring to fig. 1, 6 to 9, in the present embodiment, the first gate 221 is located above the second gate 222. The first door 221 is a rectangular parallelepiped having a receiving cavity 2211, and includes a first top wall 2212, a first inner wall 2213, a first outer wall 2214, a left side wall 2215 and a right side wall 2216, wherein the first top wall 2212, the first inner wall 2213, the first outer wall 2214, the left side wall 2215 and the right side wall 2216 enclose the receiving cavity 2211. The first top wall 2212 is provided with a through hole 2217, and the through hole 2217 is communicated with the accommodating cavity 2211.

Referring to fig. 3 to 4 and 5 to 9, the locking mechanism 1 includes a transmission member 11 rotatably disposed on the first door 221, a first connecting portion 12 and a hand-fastening portion 13 respectively disposed at two ends of the transmission member 11, and a tension spring 14 connected between the first door 221 and the transmission member 11. The transmission member 11 is rod-shaped and horizontally disposed, and the transmission member 11 includes a main body portion 111 pivotally disposed in the accommodating cavity 2211, and an abutting portion 112 installed at one end of the main body portion 111 and capable of abutting against the hand fastening portion 13. The first outer wall 2214 is provided with two clamping pieces 2210 extending towards the accommodating cavity 2211, and the positions of the main body part 111 near the two ends are buckled on the clamping pieces 2210 in a one-to-one correspondence manner, so that the main body part 111 can pivot relative to the clamping pieces 2210.

The abutting portion 112 is rod-shaped, and is vertically disposed at one end of the main body portion 111 and extends toward the buckle portion 13. The first connecting portion 12 is disposed at the other end of the main body 111 and extends out of the first door 221, when the door 220 rotates and closes relative to the box 210, the first connecting portion 12 contacts the first matching portion 216, the first matching portion 216 jacks up the first connecting portion 12, and when the door 220 continues to rotate relative to the box 210, the first connecting portion 12 and the first matching portion 216 complete a snap fit to lock the door 220. In the present embodiment, the first connecting portion 12 is a snap. In other embodiments, the first connecting portion 12 may be a snap seat, and the first matching portion 216 is a snap.

The hand-clasping portion 13 is embedded in the through hole 2217, the hand-clasping portion 13 comprises a body 131 and two pivot shafts 132 arranged on the left side and the right side of the body 131, the longitudinal section of the body 131 is fan-shaped, the pivot shafts 132 are arranged on the radial inner end of the fan-shaped body, the radial outer end of the fan-shaped body can abut against the transmission member 11, and specifically, the radial outer end of the fan-shaped body can abut against the abutting portion 112. The through hole 2217 has two hole inner walls (not numbered) arranged in the left-right direction, each hole inner wall is provided with a fitting groove (not shown), and the two pivot shafts 132 are inserted into the fitting grooves in one-to-one correspondence, so that the hand buckle portion 13 can rotate. In other embodiments, the body 131 and the pivot shaft 132 may also be separated, a snap groove is formed at the bottom of the body 131 for snap-fitting with the pivot shaft 132, and the body 131 can rotate around the pivot shaft 132.

When the handle 13 is pressed to rotate the handle 13, the fan-shaped radial outer end of the body 131 abuts against and pushes the abutting portion 112, so that the main body 111 rotates to drive the first connecting portion 12 to rotate, so that the first connecting portion 12 is separated from the first matching portion 216, and the first door 221 is unlocked, and at this time, the first door 221 can rotate relative to the box 210.

The tension spring 14 is used to restore the hand fastening part 13 to its original position by its elastic force when the hand fastening part 13 is not biased. Specifically, a first lug 2218 is arranged on the first outer wall 2214, a first hanging hole (not numbered) is formed in the first lug 2218, a second lug 1111 is arranged on the main body portion 111 of the transmission member 11, a second hanging hole is formed in the second lug 1111, one end of the tension spring 14 is connected with the first hanging hole, and the other end of the tension spring 14 is connected with the second hanging hole. In the present embodiment, the tension spring 14 is an extension spring, and when the handle 13 is pressed to force the handle 13 to rotate, the fan-shaped radial outer end of the body 131 abuts against and pushes the abutting portion 112, so that the main body 111 rotates, the tension spring 14 receives tension; when the hand-held buckle part 13 is not applied with force, the resilience of the tension spring 14 can restore the hand-held buckle part 13 to the original position.

Referring to fig. 1, the linkage mechanism 2 includes a first hinge 21, a second hinge 22 and a linkage 23. The first hinge 21 is rotatably disposed on the sidewall 213 of the box 210, and has a first end and a second end, the first end of the first hinge 21 is fixedly connected to the first door 221; the second end of the first hinge 21 is movably provided on the link member 23. The second hinge 22 is rotatably disposed on the sidewall of the box 210 and has a first end and a second end, the first end of the second hinge 22 is adapted to be fixedly connected to the second door 222, and the second end of the second hinge 22 is movably disposed on the link 23.

Referring to fig. 8 to 12, the linkage 23 is disposed on the sidewall 213 of the box 210, and the linkage 23 includes a first pivot portion 231 rotatably disposed on the box 210, and a first extension arm 232 and a second extension arm 233 disposed at two sides of the first pivot portion 231. The first pivot 231 is a rotatable pin shaft disposed on the sidewall of the case 210, and the link 23 can rotate around the first pivot 231. The first extending arm 232 is provided with a first sliding slot 2321, and the second extending arm 233 is provided with a second sliding slot 2331. The second end of the first hinge 21 is provided with a first protrusion 223 slidably disposed in the first sliding slot 2321, and the second end of the second hinge 22 is provided with a second protrusion 224 slidably disposed in the second sliding slot 2331.

When the first connection portion 12 is separated from the first matching portion 216, and the first door 221 where the first connection portion 12 is located rotates relative to the box body 210, the first hinge 21 rotates, the first protruding pillar 223 at the second end of the first hinge 21 slides along the first sliding slot 2321, the linking member 23 is pulled to rotate around the first pivot portion 231, and the second protruding pillar 224 at the second end of the second hinge 22 slides along the second sliding slot 2331, so as to drive the second hinge 22 to rotate, and further drive the second door 222 to open the box body 210 synchronously.

The latch mechanism 1 further includes a second connecting portion 15, the second door 222 is provided with a second matching portion 2221, one end of the second connecting portion 15 is disposed on the first hinge 21, and the other end is used for being matched and buckled to the second matching portion 2221. When the door 220 is in the closed state, the other end of the second connecting portion 15 is engaged with the second engaging portion 2221, and when the door 220 is opened, the second connecting portion 15 is separated from the second engaging portion 2221 along with the rotation of the first hinge 21. The second connecting part 15 is integrated with the first hinge 21, so that the mechanism is simplified, and redundant mechanism assembly is omitted. In the present embodiment, one of the second connection portions 15 is a hook, and the second mating portion 2221 is a groove. In other embodiments, the second connecting portion 15 may also be a groove, and the second mating portion 2221 is a hook.

Referring to fig. 1, the tension mechanism 3 is adapted to be disposed on the box 210, and the tension mechanism 3 includes an energy storage elastic member 31, a pull rope 32, an adjusting assembly 33 for adjusting a pulling force of the pull rope 32, and at least one pulley 34 adapted to be disposed on the box 210.

Referring to fig. 1 to fig. 2, the energy storage elastic element 31 has a mounting end 311, and an end of the energy storage elastic element 31 away from the mounting end 311 is connected to the pull rope 32. In the present embodiment, the energy storage elastic member 31 is an extension spring. In other embodiments, the energy-storing elastic member 31 may be a damper.

Adjusting part 33 is including setting up on lateral wall 213 and two relative supporting parts 331, forms the installing zone between two supporting parts 331, has two at least fixed positions 332 that distribute side by side along the length direction of energy storage elastic component 31 in the installing zone, and fixed position 332 is the draw-in groove of establishing in the installing zone, and is corresponding, and the installation end 311 of energy storage elastic component 31 is connected with clamping part, and clamping part's both ends joint is in the draw-in groove. One of the fixing positions 332 has at least two sets of slots, which are arranged from far to near in the length direction of the energy storage elastic member 31, wherein each set of slots includes two slots, one of the slots is arranged on the supporting portion 331, the other slot is arranged on the other supporting portion 331, and the two slots are arranged in a one-to-one correspondence in the horizontal direction. The mounting end 311 and the latch portion 3111 can be disposed on any card slot by moving toward or away from the energy storage elastic member 31 in the mounting region. When buckle portion 3111 keeps away from energy storage elastic component 31 and removes and the buckle in the draw-in groove for adjust pulling force, and can offset the tensile disappearance that energy storage elastic component 31 caused because of ageing of elasticity, the later stage maintenance of being convenient for, also can reduce cost simultaneously.

The free end of the pull cord 32 is connected to the linkage 2, and in particular, the free end of the pull cord 32 is connected to the first extension arm 232 and the second extension arm 233. The fixed end of the pulling rope 32 is connected with the energy storage elastic member 31. The pulling rope 32 is wound around the periphery of the pulleys 34 and at least used for changing the direction of the pulling rope 32. The free end of the pulling rope 32 is provided with a ring-shaped portion 321, the free end of the first extension arm 232 or the second extension arm 233 of the linkage mechanism 2 is provided with a hook portion 234, and the ring-shaped portion 321 is sleeved on the hook portion 234. When the door is opened, the hook part 234 drives the pull rope 32 to stretch the energy storage elastic part 31, the energy storage elastic part 31 receives the traction of the pull rope 32 to store energy, and the tension of the energy storage elastic part 31 can effectively prevent the first door 221 and the second door 222 from opening the door more and more quickly due to the fact that the moment is lengthened in the opening and rotating process, so that the damage of the door body is caused; when the door is closed, the energy storage elastic member 31 releases the stored energy to drive the linkage mechanism 2 to drive the first door 221 and the second door 222 to rotate so as to close the door, so that the door does not need to spend too much force when being closed, thereby saving physical power and improving the use experience of people.

According to the utility model, the first door 221 and the second door 222 are in linkage connection through the linkage mechanism 2, so that the first door 221 and the second door 222 are forced to synchronously rotate, the energy storage elastic part 31 is connected with the linkage mechanism 2 through the pull rope 32, when the first door 221 and the second door 222 are opened, the linkage mechanism is driven to rotate, the energy storage elastic part 31 is pulled by the pull rope 32 to deform and store energy, the energy storage elastic part 31 has a certain resistance effect on the linkage mechanism 2 because the side length of the moment accelerates the descending of the door body, and thus the door body can be prevented from being damaged due to the over-quick opening; when the first door 221 and the second door 222 are closed, the linkage mechanism 2 is driven to rotate reversely, at this time, the energy storage elastic part 31 releases energy storage, the linkage mechanism 2 is driven to drive the door body to rotate, and physical strength is saved.

Example 2:

the difference is that the fixing portion 322 is a fastening portion 3111 disposed in the mounting region, and correspondingly, a mounting end 311 of the energy storage elastic member 31 is connected to a component having a fastening slot. The structure of buckle portion 3111 and draw-in groove is the same with the structure in embodiment 1, when the draw-in groove of energy storage elastic component 31 installation end removed and with the buckle portion buckle of fixed position 322 for adjust pulling force, and can offset the energy storage elastic component 31 because of the tensile disappearance that ageing caused of elasticity, the later stage maintenance of being convenient for, also can reduce cost simultaneously.

The locking mechanism is suitable for being arranged on the second door and the free end of the second connecting part is matched with the second door for buckling. The structure of the second gate is the same as that of the first gate 221 in embodiment 1. The structure and the matching manner of the latch mechanism are the same as those of the latch mechanism 1 in embodiment 1, that is, the latch mechanism includes a transmission member rotatably disposed on the second door, a first connecting portion and a hand-fastening portion respectively disposed at two ends of the transmission member, and a tension spring connected between the first door and the transmission member. When the hand buckling part forces the hand buckling part to rotate, the abutting transmission part rotates, the first connecting part is driven to rotate, so that the first connecting part is separated from the first matching part, the second door is unlocked, and at the moment, the second door can rotate relative to the box body.

One end of the second connecting part is connected with the second hinge, the other end of the second connecting part is used for being in snap fit with the first door 221, and after the second door is continuously opened, the second hinge rotates to enable the second connecting part to be separated from the first door so as to unlock the first door; meanwhile, the rotation of the second hinge drives the linkage piece to rotate, so as to drive the first hinge to rotate, and the first door is driven to be opened synchronously.

Example 3:

the present embodiment provides an electric appliance 200 having the door lock structure of embodiment 1 or embodiment 2, the electric appliance 200 having a cabinet 210 and a door 220, the cabinet 210 having an opening 211, the door 220 including a first door 221 and a second door 222 distributed in sequence up and down, the door lock structure being rotatably provided on the opening 221 to switch between closing the opening 221 and opening the opening 221. The electric appliance of the utility model can be a dishwasher or a refrigerator.

The above embodiments are only used for illustrating the present invention and not for limiting the technical solutions described in the present invention, and the understanding of the present specification should be based on the technical personnel in the technical field, such as the directional descriptions of "front", "back", "left", "right", "upper", "lower", etc., although the present specification has described the present invention in detail with reference to the above embodiments, the ordinary skilled in the art should understand that the technical personnel in the technical field can still make modifications or equivalent substitutions on the present invention, and all the technical solutions and modifications thereof without departing from the spirit and scope of the present invention should be covered in the claims of the present invention.

Claims

1. A door lock structure is used between a box body (210) and a double door (220), wherein the double door (220) comprises a first door (221) and a second door (222) which are sequentially distributed on an opening (211) of the box body (210); the method is characterized in that: the door lock structure comprises

The linkage mechanism (2) is used for linking the first door (221), the second door (222) and the side wall (213) of the box body (210) so as to force the first door (221) and the second door (222) to synchronously rotate;

a tension mechanism (3) adapted to be arranged on the box (210); the tension mechanism (3) comprises an energy storage elastic part (31) and a pull rope (32); the free end of the pull rope (32) is connected with the linkage mechanism (2), and the fixed end (322) is connected with the energy storage elastic part (31);

when the door is opened, the energy storage elastic piece (31) is drawn by the linkage mechanism (2) to deform so as to store energy; when the door is closed, the energy storage elastic piece (31) releases energy storage to drive the linkage mechanism (2) to drive the first door (221) and the second door (222) to rotate so as to close the door.

2. The door lock structure according to claim 1, wherein: the energy storage elastic part (31) is an extension spring.

3. The door lock structure according to claim 1, wherein: the tension mechanism (3) further comprises an adjusting component (33) used for adjusting the traction of the pull rope (32), and the adjusting component (33) comprises two opposite supporting parts (331) arranged on the side wall of the box body (210);

an installation area is formed between the two supporting parts (331), and at least two fixing positions (332) which are distributed in parallel along the length direction of the energy storage elastic part (31) are arranged in the installation area;

the mounting end (311) of the energy storage elastic element (31) far away from one side of the pulling rope (32) can be arranged on any fixing position (332) by moving in the mounting area.

4. The door lock structure according to claim 3, wherein: the fixing position (332) is one of a clamping groove and a clamping part arranged in the mounting area, correspondingly, the mounting end (311) of the energy storage elastic part (31) is provided with the other of the clamping part and the clamping groove, and two ends of the clamping part are clamped in the clamping groove.

5. The door lock structure according to any one of claims 1 to 4, wherein: the tension mechanism (3) further comprises at least one pulley (34) suitable for being arranged on the box body (210), and the pull rope (32) is wound on the periphery of the pulleys (34) and at least used for changing the trend of the pull rope.

6. The door lock structure according to any one of claims 1 to 4, wherein: the linkage mechanism (2) comprises

The first hinge (21) is rotatably arranged on the side wall (213) of the box body (210), and the first end of the first hinge (21) is suitable for being fixedly connected with the first door (221);

the second hinge (22) is rotatably arranged on the side wall (213) of the box body (210), and a first end of the second hinge (22) is suitable for being fixedly connected with the second door (222);

a linkage (23) provided on a side wall (213) of the case (210);

the second end of the first hinge (21) and the second end of the second hinge (22) are respectively movably arranged on the linkage piece (23);

when a first connecting part (12) on the first door (221) or the second door (222) is separated from a first matching part (216) on the box body (210), and when the door where the first connecting part (12) is located rotates, the first hinge (21) and the second hinge (22) move on the linkage piece (23) to drive the other door to move synchronously in a linkage manner so as to open the door;

in a door closing state, the first connecting part (12) is matched and locked with the first matching part (216);

the free end of the pull rope (32) is connected with the linkage piece (23).

7. The door lock structure according to claim 6, wherein: the linkage piece (23) comprises a first pivot part (231) which is suitable for being rotatably arranged on the box body (210), and a first extension arm (232) and a second extension arm (233) which are positioned at two sides of the first pivot part (231), wherein a first sliding groove (2321) and a second sliding groove (2331) are respectively arranged on the first extension arm (232) and the second extension arm (233);

the first hinge (21) is provided with a first convex column (223) which is slidably arranged in the first sliding groove (2321), and the second hinge (22) is provided with a second convex column (224) which is slidably arranged in the second sliding groove (2331);

the free end of the pull rope (32) is connected with the first extension arm (232) or the second extension arm (233).

8. The door lock structure according to claim 7, wherein: the free end of stay cord (32) is equipped with an annular portion (321), the free end of first extension arm (232) or second extension arm (233) is equipped with a couple portion (234), annular portion (321) cover is established on couple portion (234).

9. The door lock structure according to claim 6, wherein: also comprises

The locking mechanism (1) is suitable for being arranged on the first door (221) or the second door (222), and comprises a transmission piece (11) which is rotatably arranged on the first door (221) or the second door (222), and a first connecting part (12) and a hand-buckling part (13) which are respectively arranged on two ends of the transmission piece (11);

the first connecting part (12) can be matched and locked with a first matching part (216) on the box body (210), and the first door (221) and the second door (222) are in a closed state; the acting force is applied to the hand buckle part (13), the transmission piece (11) is driven to rotate, the first connecting part (12) is driven to be separated from the first matching part (216), and the first door (221) and the second door (222) are in an opening state.

10. The door lock structure according to claim 9, wherein: the locking mechanism (1) further comprises a second connecting part (15), and the second connecting part (15) is arranged on a corresponding hinge of the door where the first connecting part (12) is located;

a second fitting portion (2221) provided on a door on which the first connecting portion (12) is not provided;

in a door closing state, the second connecting part (15) is matched and locked with the second matching part (2221);

during the door opening process, the second connecting part (15) is separated from the second matching part (2221) along with the rotation of the hinge where the second connecting part is located.

11. An electrical appliance (200), characterized by: comprises that

A case (210) having an opening (211);

the door lock structure of any one of claims 1-10;

the first door (221) and the second door (222) are distributed in sequence and are rotatably arranged on the opening (211) through a door lock structure so as to switch between closing the opening (211) and opening the opening (211).