CN218045037U

CN218045037U - Automatic door opening and closing mechanism and dish washing machine

Info

Publication number: CN218045037U
Application number: CN202222262278.9U
Authority: CN
Inventors: 俞云良
Original assignee: Guangdong Saipu Appliances Manufacturing Co ltd
Current assignee: Guangdong Saipu Appliances Manufacturing Co ltd
Priority date: 2022-08-26
Filing date: 2022-08-26
Publication date: 2022-12-16
Anticipated expiration: 2032-08-26

Abstract

The utility model discloses an automatic door opening and closing mechanism and a dish washing machine, wherein the automatic door opening and closing mechanism comprises a shell, a driver, a driving gear, a first gear, a second gear, a push rod, a first switch and a second switch; the driving gear is fixed at the driving end of the driver, the first gear is meshed with the driving gear, the second gear is meshed with the first gear, the second gear is provided with a convex block, one end of the push rod is provided with a sliding groove arranged along the left-right direction, the other end of the push rod can stretch out and draw back to the outside of the shell in a front-back mode, the convex block is slidably arranged on the sliding groove, and the push rod is slidably arranged inside the shell; one side of the push rod is provided with a trigger point for opening the first switch and the second switch. The application solves the problems that the operation track of the push rod in the traditional door pushing mechanism is not a straight line, the contact point of the push rod and the door body cannot be accurately positioned, and the structure of the door pushing mechanism is complex and the assembly workpieces are complex.

Description

Automatic door opening and closing mechanism and dish washing machine

Technical Field

The utility model relates to a dish washer technique specifically is an automatic mechanism and dish washer of opening and close door.

Background

Most of common door pushing mechanisms of dish washing machines in the market only have a door locking function, and some dish washing machines have an automatic door pushing function. Common sliding door mechanism adopts stay cord or spring control push rod switch door, does not contain and unties and close the structure of spring bolt device, and the orbit of push rod operation is not the straight line, and this just leads to the unable accurate positioning of the contact point of the unable control of leading to, and consequently, its sliding door mechanism's structure is complicated, assembly work piece is loaded down with trivial details.

SUMMERY OF THE UTILITY MODEL

To the above defect, the utility model provides an automatic door opening and closing mechanism and dish washer, aim at have solved the tradition and have pushed away the orbit of push rod in the door mechanism and not be the straight line, lead to the unable accurate positioning of the contact point of the push rod and the door body to and the structure of this mechanism of pushing away is complicated and the loaded down with trivial details problem of assembly work piece.

To achieve the purpose, the utility model adopts the following technical proposal:

an automatic door opening and closing mechanism comprises a shell, a driver, a driving gear, a first gear, a second gear, a push rod, a first switch and a second switch;

the driver is fixed on the outer part of the shell; the driving gear, the first gear, the second gear, the first switch and the second switch are all arranged inside the shell;

the driving gear is fixed at the driving end of the driver, the first gear is meshed with the driving gear, the second gear is meshed with the first gear, the second gear is provided with a convex block, one end of the push rod is provided with a sliding groove arranged along the left-right direction, the other end of the push rod can stretch out and draw back from the outside of the shell, the convex block can be slidably arranged in the sliding groove, and the push rod can be slidably arranged in the shell;

and one side of the push rod is provided with a trigger point for starting the first switch and the second switch.

Preferably, the housing includes an upper housing and a lower housing, a guide groove rail is provided in the lower housing in a front-rear direction, and the push rod is slidably installed in the guide groove rail in a front-rear direction.

Preferably, the push rod is T-shaped.

Preferably, the push rod includes installation department, rake and hasp portion from back to front in proper order, the hasp portion passes through the rake transition extremely the installation department.

Preferably, the mounting portion is provided with an arc piece, and a rim of the second gear abuts against the arc piece.

Preferably, the first switch and the second switch are both microswitches with contacts.

Another aspect of the present application provides a dish washing machine, comprising the automatic door opening and closing mechanism, a cavity and a door body installed on the cavity, wherein the automatic door opening and closing mechanism is installed on the cavity; the door body is provided with a spring bolt device, and the push rod is matched and locked with the spring bolt device after extending out.

The technical scheme provided by the embodiment of the application can have the following beneficial effects:

according to the scheme, the driver drives the driving gear, the first gear and the second gear to drive, so that the push rod does reciprocating motion in the linear direction, and the accurate positioning of the contact point of the push rod and the door body is realized. In addition, the automatic door opening and closing mechanism is simple in structure and simple and convenient in assembly process.

Drawings

Fig. 1 is an exploded view of a structure of an automatic door opening and closing mechanism;

FIG. 2 is a schematic view of the internal structure of the automatic door opening and closing mechanism;

FIG. 3 is an exploded view of the internal structure from one perspective of the automatic door opening and closing mechanism;

FIG. 4 is an exploded view of the internal structure of the automatic door opening and closing mechanism from another perspective;

fig. 5 is a schematic structural view of the push rod.

Wherein, 1, a shell; 2. a driver; 3. a drive gear; 4. a first gear; 5. a second gear; 6. a push rod; 7. a first switch; 8. a second switch; 11. an upper shell; 12. a lower case; 50. a bump; 60. a chute; 61. an installation part; 62. an inclined portion; 63. a locking part; 120. a guide groove rail; 610. an arc sheet.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "length", "middle", "upper", "lower", "left", "right", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and simplification of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, 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, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "spliced" and "connected" are to be construed broadly, e.g., as being 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.

An automatic door opening and closing mechanism comprises a shell 1, a driver 2, a driving gear 3, a first gear 4, a second gear 5, a push rod 6, a first switch 7 and a second switch 8;

the driver 2 is fixed outside the shell 1; the driving gear 3, the first gear 4, the second gear 5, the first switch 7 and the second switch 8 are all mounted inside the shell 1;

the driving gear 3 is fixed at the driving end of the driver 2, the first gear 4 is meshed with the driving gear 3, the second gear 5 is meshed with the first gear 4, the second gear 5 is provided with a convex block 50, one end of the push rod 6 is provided with a sliding groove 60 arranged along the left-right direction, the other end of the push rod 6 can extend back and forth outside the shell 1, the convex block 50 is slidably arranged in the sliding groove 60, and the push rod 6 is slidably arranged inside the shell 1;

one side of the push rod 6 is provided with a trigger point for turning on the first switch 7 and the second switch 8.

According to the automatic door opening and closing mechanism of the scheme, as shown in fig. 2, fig. 3 and fig. 5, the driver 2 is a motor, the driver 2 is started, the driving gear 3 is driven to rotate, the first gear 4 is driven to rotate, and the second gear 5 is driven to rotate, so that the bump 50 reciprocates in the sliding groove 60 in the left-right direction, the push rod 6 is further pushed to advance or retreat, and when the push rod 6 slides, as the sliding groove 60 is arranged at one end of the push rod 6, the outer side wall of the sliding groove 60 touches the trigger point of the first switch 7 or the second switch 8, the first switch 7 or the second switch 8 is touched to send a signal for closing a power supply, and the automatic door opening and closing functions of the door body are realized.

According to the scheme, the driver 2 drives the driving gear 3, the first gear 4 and the second gear 5 to transmit, so that the push rod 6 does reciprocating motion in the linear direction, and the accurate positioning of the contact point of the push rod 6 and a door body is realized. In addition, the automatic door opening and closing mechanism is simple in structure and simple and convenient in the assembling process.

Preferably, the housing 1 includes an upper shell 11 and a lower shell 12, a guide groove rail 120 is disposed in the lower shell 12 in a front-back direction, and the push rod 6 is slidably mounted in the guide groove rail 120 in the front-back direction.

Specifically, as shown in fig. 1 and 4, the push rod 6 is mounted on the guide groove rail 120 in a front-back slidable manner, so that the push rod 6 can linearly slide along the guide groove rail 120 in the front-back direction, and the accurate positioning of the contact point of the push rod 6 and the door body is further realized.

Preferably, the push rod 6 is T-shaped. Specifically, as shown in fig. 5, since the push rod 6 is T-shaped, one end of the push rod 6 with the sliding groove 60 can touch the trigger point of the first switch 7 or the second switch 8 during the sliding process.

Preferably, the push rod 6 sequentially comprises a mounting portion 61, a tilted portion 62 and a locking portion 63 from back to front, and the locking portion 63 is transited to the mounting portion 61 through the tilted portion 62. Specifically, as shown in fig. 5, the push rod 6 sequentially includes a mounting portion 61, an inclined portion 62 and a locking portion 63 from back to front, and the arrangement of the inclined portion 62 causes a height difference between the mounting portion 61 and the locking portion 63, so that the second gear 5 mounted on the mounting portion 61 is as high as the first gear 4, and the second gear 5 is conveniently meshed with the first gear 4. Further, the locking portion 63 can extend to the outside of the housing 1, so that the push rod 6 can touch a contact point of the door body, thereby locking the door body.

Preferably, the mounting portion 61 is provided with an arc piece 610, and the rim of the second gear 5 abuts against the arc piece 610. Specifically, as shown in fig. 2 and 5, when the second gear 5 is assembled to the mounting portion 61, grease needs to be applied, since the mounting portion 61 is provided with the arc piece 610, the rim of the second gear 5 abuts against the arc piece 610, so that the arc piece 610 can effectively block the grease during the rotation of the second gear 5, and the grease is prevented from being pushed to the outside of the housing 1 during the sliding process of the push rod 6.

Preferably, the first switch 7 and the second switch 8 are both micro switches with contacts. In this embodiment, the first switch 7 and the second switch 8 are both micro switches with contacts, and the push rod 6 starts and closes the micro switches by touching the trigger points, so that the starting and closing actions of the first switch 7 and the second switch 8 are sensitive and convenient.

Another aspect of the present application provides a dish washing machine, comprising the automatic door opening and closing mechanism, a cavity and a door body installed on the cavity, wherein the automatic door opening and closing mechanism is installed on the cavity; the door body is provided with a lock tongue device, and the push rod 6 is matched and locked with the lock tongue device after extending out.

The dish washing machine of the scheme is characterized in that the automatic door opening and closing mechanism is used for realizing that the push rod 6 is aligned along the front and rear linear directions to accurately position the contact point of the door body, and the dish washing machine is convenient to be matched and locked with the spring bolt device.

The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.

Claims

1. An automatic door opening and closing mechanism is characterized in that: comprises a shell, a driver, a driving gear, a first gear, a second gear, a push rod, a first switch and a second switch;

2. The automatic door opening and closing mechanism according to claim 1, wherein: the casing includes epitheca and inferior valve, be equipped with the guide way rail of fore-and-aft direction in the inferior valve, the push rod slidable ground install in front and back in the guide way rail.

3. The automatic door opening and closing mechanism according to claim 1, wherein: the push rod is T-shaped.

4. The automatic door opening and closing mechanism according to claim 1, wherein: the push rod includes installation department, rake and hasp portion from back to front in proper order, hasp portion passes through the rake transition extremely the installation department.

5. The automatic door opening and closing mechanism according to claim 4, wherein: the mounting part is provided with an arc piece, and the rim of the second gear is abutted against the arc piece.

6. The automatic door opening and closing mechanism according to claim 1, wherein: the first switch and the second switch are both microswitches with contacts.

7. A dishwasher using the automatic door opening and closing mechanism according to any one of claims 1 to 6, wherein: the automatic door opening and closing mechanism is arranged in the cavity;

the door body is provided with a lock tongue device, and the push rod is locked in a matching mode with the lock tongue device after extending out.