CN214882448U

CN214882448U - Clothes dryer

Info

Publication number: CN214882448U
Application number: CN202120404799.6U
Authority: CN
Inventors: 伊茂聪; 高尚; 惠浩然; 柳宗超; 林俊杰
Original assignee: Hisense Shandong Refrigerator Co Ltd
Current assignee: Hisense Refrigerator Co Ltd
Priority date: 2021-02-24
Filing date: 2021-02-24
Publication date: 2021-11-26
Anticipated expiration: 2031-02-24

Abstract

The utility model provides a clothes dryer, include: the box body comprises a front panel, and a throwing port is formed in the front panel; the door body is connected to the input port to open and close the input port, and a door hook is arranged on the door body; a door switch connected to the front panel, the door switch including: a switch housing; the cam is rotationally connected with the switch shell, and the door hook is inserted into the door switch and locked with the cam so that the door body closes the input port; the microswitch is arranged on the switch shell and used for detecting whether the door body closes the input port or not; set up the door switch and include the cam, can realize the locking of door hook and cam, set up micro-gap switch, can accurately judge whether the door body closes the mouth of puting into, improve the life of the door body and door switch.

Description

Clothes dryer

Technical Field

The utility model belongs to the technical field of the dryer, especially, relate to a dryer with door switch.

Background

With the continuous improvement of living standard, the requirements of people on the clothes dryer are also continuously improved. The door body that is provided with on the current dryer usually closes the input mouth, current door switch structure is comparatively simple, can only be connected with the door body, and can not detect the door body and close the input mouth, make the judgement door body that can not be accurate whether close the input mouth, use great strength to close the door body usually, make the door body impaired great, and usually detect the door body through rocking the door body and close the input mouth, lead to the junction of the door body and dryer panel to easily take place to lose efficacy, influence the life of dryer.

Disclosure of Invention

The present invention aims at solving at least one of the technical problems in the related art to a certain extent. For this purpose,

according to an embodiment of the present disclosure, there is provided a clothes dryer including:

the box body comprises a front panel, and a throwing port is formed in the front panel;

the door body is connected to the input port to open and close the input port, and a door hook is arranged on the door body;

a door switch connected to the front panel, the door switch including:

a switch housing;

the cam is rotationally connected with the switch shell, and the door hook is inserted into the door switch and locked with the cam so that the door body closes the input port;

and the microswitch is arranged on the switch shell and used for detecting whether the door body closes the input port or not.

Set up the door switch and include the cam, can realize the locking of door hook and cam, set up micro-gap switch, can accurately judge whether the door body closes the mouth of puting into, improve the life of the door body and door switch.

According to an embodiment of the present disclosure, the door switch further includes:

and the spring is connected with the switch shell and the cam and is used for providing torsional force for the rotation of the cam.

According to the embodiment of the disclosure, the door hook has the door hook hole, the one end of cam has the first dogtooth and the second dogtooth that form the open-ended, the door hook inserts the opening promotes first dogtooth drives the cam rotates, the cam rotates the drive the second dogtooth rotates and inserts the downthehole realization of door hook and cam makes the door body closes the mouth of throwing is set up the cam and is included opening, first dogtooth and second dogtooth, realizes the locking of door hook and cam when realizing inserting the door hook, and simple structure easily operates.

According to the embodiment of the disclosure, an inclined plane is formed at the other end of the cam, a switch button which is matched with the inclined plane is arranged on the microswitch, the door hook pushes the cam to rotate to drive the inclined plane to rotate and press down the switch button to change the conduction state of the microswitch, so that the door body is determined to be closed, and whether the door body closes the input opening or not can be judged through the change of the conduction state of the microswitch.

According to the embodiment of the disclosure, the inclined surface is arranged on the side part of the cam, and the micro switch is arranged on one side of the cam, so that the inclined surface is well matched with the switch key.

According to the embodiment of the disclosure, the spring is provided with a first torsion arm connected with one end of the inclined surface arranged on the cam and a second torsion arm connected with the switch shell, and the spring is in a pressed state after being connected with the cam and the switch shell and can provide certain torsional force for the cam.

According to the embodiment of the disclosure, the cam has with the rotation axis that the switch shell rotates to be connected, the door hook promotes the cam pivoted in-process, the contained angle of first torque arm and second torque arm reduces earlier the back increase the rotation axis center the cam with the junction of first torque arm with the switch shell with the junction of second torque arm is when being located same straight line, the contained angle of first torque arm and second torque arm is minimum, the torsional force of spring is the biggest for just can accomplish the locking and the disconnection of door hook and cam under the exogenic action, avoid the door hook to deviate from the cam.

According to the embodiment of the disclosure, a cam placing groove is formed in the switch shell, the cam is placed in the cam placing groove, the cam placing groove is provided with a first side wall and a second side wall, two ends of the rotating shaft are respectively connected with the first side wall and the second side wall in a rotating mode, and the cam supporting function can be achieved.

According to the embodiment of the disclosure, the opening direction of the cam placing groove deviates from the front panel, a first butt rib is arranged on the bottom wall of the cam placing groove, the door hook is not inserted into the door switch, the cam is driven by the spring to increase the included angle between the first torsion arm and the second torsion arm, and the second convex tooth is driven to abut against the first butt rib, so that the position of the cam is fixed, and the cam is prevented from shaking.

According to the embodiment of the disclosure, be equipped with on the cam standing groove diapire and be located first butt muscle is kept away from the second butt muscle of open-ended one side, the door hook promotes cam pivoted in-process the cam rotates behind the minimum contained angle position of first torque arm and second torque arm, spring drive cam rotates to the direction that increases contained angle between first torque arm and the second torque arm, orders about the cam continues to rotate and makes the cam connection the one end of spring with the second butt muscle offsets for the position of cam is fixed, avoids the cam to rock.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a front view of a dryer according to an embodiment of the present disclosure;

FIG. 2 is a partial schematic view of a door body according to an embodiment of the present disclosure;

FIG. 3 is a schematic view of a partial structure of a front panel according to an embodiment of the present disclosure;

FIG. 4 is a partial structural schematic view of a dryer according to an embodiment of the present disclosure;

FIGS. 5-7 are block diagrams of door switches according to embodiments of the present disclosure;

FIG. 8 is a partial structural cross-sectional schematic view of a dryer according to an embodiment of the present disclosure;

FIG. 9 is a block diagram of a cam according to an embodiment of the present disclosure;

FIG. 10 is a block diagram of a cam and spring according to an embodiment of the disclosure.

In the above figures: a dryer 100; a box body 1; a front panel 11; front panel holes 111; a positioning hole 112; an accommodating space 12; an inlet 13; a door body 14; a door hook 141; a door hook aperture 1411; a door switch 2; a switch case 21; the cam placing groove 211; a first sidewall 2111; a second sidewall 2112; an insertion hole 2113; a buckle 2114; the third side wall 2115; a spring hook 2116; the first abutment rib 2117; the second abutment rib 2118; a key aperture 2119; a positioning plate 212; positioning posts 2121; a microswitch placement groove 213; a microswitch catch 2131; a cam 22; an opening 221; a first lobe 222; the second convex teeth 223; a bevel 224; a rotation shaft 225; a connecting hole 226; a microswitch 23; a switch button 231; a spring 24; a first torsion arm 241; second torque arm 242.

Detailed Description

The present invention is specifically described below by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.

The present invention provides a clothes dryer 100, which will be described below with reference to fig. 1 to 10, wherein fig. 1 is a front view of the clothes dryer.

Referring to fig. 1, a dryer 100 includes a cabinet 1, and the cabinet 1 includes a front panel 11 provided at a front side of the cabinet, a rear panel located behind the front panel, side panels located at left and right sides of the front and rear panels, a bottom panel located below the front and rear panels, and a top panel located above the front and rear panels.

It should be noted that the side where the front panel is located is the side of the dryer facing the user.

Referring to fig. 1 and 4, a receiving space 12 is formed in the cabinet 1 for receiving laundry and drying the laundry, and an inlet 13 communicating with the receiving space is formed in the front panel 11, and the laundry is introduced into the receiving space through the inlet 13 and dried.

The inlet 13 is also provided with a door 14 for opening and closing the inlet 13, the door 14 can be hinged on the front panel, and the door 14 can rotate relative to the front panel 11 to open and close the inlet 13. The input port 13 is opened when the door 14 is rotated in a direction away from the front panel 11, and clothes can be input through the input port, and the input port is closed when the door 14 is rotated in a direction close to the front panel 11.

Referring to fig. 2 to 4, the dryer further includes a door switch 2, the door switch 2 may be configured to be coupled to the front panel 11, a door hook 141 adapted to the door switch 2 is provided on the door body 14, a door hook hole 1411 is provided on the door hook, the door switch 2 includes a switch housing 21 and a cam 22, and the cam 22 is coupled to the switch housing 21.

Referring to fig. 5 to 8, the cam 22 is rotatably connected to the switch housing 21, the door hook 141 is inserted into the door switch 2 to be locked with the cam, so that the door body closes the input opening, and the door switch including the cam is provided to enable the locking of the door hook with the cam.

Specifically, referring to fig. 9-10, one end of the cam 22 has a first convex tooth 222 and a second convex tooth 223 forming an opening 221, the door hook 141 is inserted into the opening 221, the door hook 141 pushes the first convex tooth 222 to drive the cam 22 to rotate, the cam 22 rotates to drive the second convex tooth 223 to rotate and insert into the door hook hole 1411 to lock the door hook and the cam, so that the door body 14 closes the input port 13, the cam is provided with an opening, the first convex tooth and the second convex tooth, and the door hook and the cam are locked when the door hook is inserted, so that the structure is simple and the operation is easy.

Referring to fig. 3, the switch housing 21 may be disposed inside the front panel 11, and the front panel 11 is provided with a front panel hole 111 through which the door hook 141 passes, so that the door hook 141 is inserted into the opening 221 through the front panel hole 111.

Referring to fig. 5 to 7, the switch housing 21 is formed with a cam seating groove 211, the cam 22 is seated in the cam seating groove 211, the cam has a rotation shaft 225 disposed between the opening and the inclined surface, the cam seating groove 211 has a first side wall 2111 and a second side wall 2112, and both ends of the rotation shaft are rotatably coupled to the first side wall 2111 and the second side wall 2112, respectively.

Referring to fig. 8, the opening direction of the cam slot 211 can be away from the front panel 11, and the bottom wall of the cam slot is provided with an insertion hole 2113 opposite to the front panel hole 111, so that the door hook 141 can be inserted into the opening 221 through the front panel hole 111 and the insertion hole 2113.

The outer periphery of the insertion hole 2113 may extend into the front panel hole 111 toward the front panel side or may penetrate through the front panel hole 111, the sidewall of the insertion hole 2113 may be engaged with the front panel, a catch 2114 is formed on the sidewall of the insertion hole 2113, and the front panel is engaged with the catch 2114.

Referring to fig. 3, the front panel 11 is further provided with a positioning hole 112 disposed on one side of the front panel hole, one side of the switch housing 21 close to the front panel is provided with a positioning plate 212, specifically, the positioning plate 212 can be disposed on one side of the insertion hole 2113, one side of the positioning plate 212 close to the front panel is provided with a positioning post 2121 adapted to the positioning hole 112, and the positioning post is inserted into the positioning slot, so that the switch housing is connected to the front panel.

Referring to fig. 5-7, the clothes dryer further includes a micro switch 23, where the micro switch 23 is disposed on the switch housing 21, and is used for detecting whether the door body closes the input port 13, and can accurately determine whether the door body closes the input port, so as to improve the service lives of the door body and the door switch.

The other end of the cam is formed with an inclined plane 224, the microswitch 23 is provided with a switch button 231 adapted to the inclined plane, when the door hook 141 is inserted into the opening 221, the door hook 141 pushes the cam 22 to rotate to drive the inclined plane 224 to rotate and press the switch button 231 to change the conduction state of the microswitch, so as to determine that the door body 12 closes the input opening 13, and whether the door body closes the input opening can be judged through the change of the conduction state of the microswitch.

Inclined plane 224 locates the lateral part of cam, and micro-gap switch 23 locates one side of cam for the inclined plane can all be equipped with the inclined plane with the better cooperation of switch button, and is concrete, and micro-gap switch also has two, and two micro-gap switch symmetries locate the both sides of cam, can improve the reliability that detects, avoid partial micro-gap switch to lose efficacy to influence the normal demonstration of dryer.

Be equipped with the micro-gap switch standing groove 213 that is located the cam standing groove lateral part on the switch housing, wherein the micro-gap switch standing groove has two, and cam standing groove both sides are located to two micro-gap switch standing groove symmetries, and the micro-gap switch standing groove is through button mouth 2119 and the cam standing groove intercommunication that is located on first lateral wall and the second lateral wall, and micro-gap switch places in the micro-gap switch standing groove, and the switch button outer end is located the cam standing groove through the button mouth, the inclined plane of being convenient for and switch button interact.

The side wall of the micro-switch placing groove is provided with a micro-switch buckle 2131, and the micro-switch buckle is arranged in the micro-switch placing groove.

When the door hook 141 is pulled out of the opening 221, the door hook 141 pulls the second protruding tooth 223 to drive the cam 22 to rotate reversely, the cam 22 rotates reversely to drive the second protruding tooth 223 to rotate reversely out of the door hook hole 141, the door hook 141 pulls the cam 22 to rotate reversely to drive the inclined surface 224 to rotate reversely to leave the switch button 231, so that the switch button is reset, the conduction state of the microswitch is changed, and the door body 12 is determined not to close the input opening 13.

The door switch also has a spring 24 connected to the switch housing and the cam for providing a torsional force to the rotation of the cam. The spring 24 has a first torsion arm 241 connected to the cam and a second torsion arm 242 connected to the switch housing, and is in a compressed state after being connected to the cam and the switch housing, and can provide a certain torsion force to the cam.

Specifically, the first torsion arm 241 is connected to one end of the cam provided with the inclined surface, and the cam is provided with a connection hole 226, into which the first torsion arm is hooked, and which may be provided in parallel with the rotation axis.

The cam placing groove is further provided with a third side wall 2115, two ends of the third side wall are respectively connected with the first side wall and the second side wall, the cam supporting effect can be achieved, the cam is arranged close to one end of the inclined plane of the cam, a spring hook 2116 connected with a second torsion arm is arranged on the inner side of the third side wall, and the second torsion arm is hung on the spring hook.

When the door hook is inserted into the opening, the door hook 141 pushes the cam 22 to rotate, the included angle between the first torque arm and the second torque arm is increased after being reduced, when the center of the rotating shaft, the joint of the cam and the first torque arm and the joint of the switch shell and the second torque arm are positioned on the same straight line, the included angle between the first torque arm and the second torque arm is minimum, the torsional force of the spring is maximum, so that the door hook can be locked and disconnected with the cam under the action of external force, and the door hook is prevented from being separated from the cam.

Be equipped with first butt muscle 2117 on the cam standing groove diapire, when the door hook did not insert the door switch, the spring drive cam rotated to the direction that increases contained angle between first torque arm and the second torque arm, ordered about second dogtooth and offset with first butt muscle for the rigidity of cam avoids the cam to rock, and at this moment, the opening can be towards the front panel, and the opening can be relative with the patchhole, and the door hook of being convenient for inserts.

Be equipped with the second butt muscle 2118 that is located first butt muscle and keeps away from open-ended one side on the cam standing groove diapire, the door hook promotes cam pivoted in-process, after the cam rotated the minimum contained angle position of first torque arm and second torque arm, spring drive cam rotated to the direction that increases contained angle between first torque arm and the second torque arm, ordered about the cam and continued to rotate the one end that makes cam connect spring and offset with second butt muscle for the rigidity of cam avoids the cam to rock.

Of course, the connection mode of the door switch and the door hook can also be applied to other household appliances, such as washing machines, dishwashers, ovens and the like.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.

The terms "first", "second" and "first" are used 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 one or more of that feature.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A clothes dryer, characterized by comprising:

a door switch connected to the front panel, the door switch including:

a switch housing;

2. The clothes dryer of claim 1, wherein the door switch further comprises:

3. The clothes dryer according to claim 2, wherein the door hook has a door hook hole, one end of the cam has a first protruding tooth and a second protruding tooth forming an opening, the door hook is inserted into the opening, the first protruding tooth is pushed to drive the cam to rotate, the cam is rotated to drive the second protruding tooth to rotate and be inserted into the door hook hole, so that the door hook and the cam are locked, and the door body closes the input opening.

4. The clothes dryer according to claim 3, wherein an inclined surface is formed at the other end of the cam, a switch button adapted to the inclined surface is arranged on the microswitch, and the door hook pushes the cam to rotate so as to drive the inclined surface to rotate and press the switch button to change the conduction state of the microswitch, so that the door body is determined to close the input port.

5. The clothes dryer of claim 4 wherein the inclined surface is provided at a side portion of the cam, and the micro switch is provided at a side of the cam.

6. The clothes dryer of claim 4, wherein the spring has a first torsion arm connected to an end of the cam where the inclined surface is disposed and a second torsion arm connected to the switch housing, and the spring is in a compressed state after being connected to the cam and the switch housing.

7. The clothes dryer of claim 6, wherein the cam has a rotation shaft rotatably connected to the switch housing, and the door hook pushes the cam to rotate, and an included angle between the first torsion arm and the second torsion arm increases after decreasing, and when the center of the rotation shaft, a connection position of the cam and the first torsion arm, and a connection position of the switch housing and the second torsion arm are located on a same straight line, an included angle between the first torsion arm and the second torsion arm is minimum, and the torsion force of the spring is maximum.

8. The clothes dryer of claim 7, wherein the switch housing is formed with a cam receiving groove in which the cam is received, the cam receiving groove having a first sidewall and a second sidewall, and both ends of the rotation shaft are rotatably coupled to the first sidewall and the second sidewall, respectively.

9. The clothes dryer of claim 8, wherein the opening direction of the cam placement groove is away from the front panel, a first abutting rib is arranged on the bottom wall of the cam placement groove, and when the door hook is not inserted into the door switch, the spring drives the cam to rotate in the direction of increasing the included angle between the first torsion arm and the second torsion arm, so as to drive the second protruding tooth to abut against the first abutting rib.

10. The clothes dryer according to claim 9, wherein a second abutting rib is disposed on a bottom wall of the cam placement groove and located on a side of the first abutting rib away from the opening, and in a process that the door hook pushes the cam to rotate, after the cam rotates past a minimum included angle position between the first torsion arm and the second torsion arm, the spring drives the cam to rotate in a direction of increasing an included angle between the first torsion arm and the second torsion arm, so as to drive the cam to continue to rotate, and the end of the cam connected with the spring abuts against the second abutting rib.