CN217039767U

CN217039767U - Oven with handle-free simple automatic door opening and closing function

Info

Publication number: CN217039767U
Application number: CN202122567460.0U
Authority: CN
Inventors: 唐蓓; 芮正国; 黄建昌; 周美霞; 张体波
Original assignee: Oechsler Plastic Products Taicang Co Ltd
Current assignee: Oechsler Plastic Products Taicang Co Ltd
Priority date: 2021-10-25
Filing date: 2021-10-25
Publication date: 2022-07-26
Anticipated expiration: 2031-10-25

Abstract

The utility model discloses a no handle brief formula automatic switch door oven, include: oven body, chamber door and a set of door opener, wherein, door opener includes driver and connecting rod, the chamber door is articulated with the oven body, and both are connected through a set of door opener, one side of oven body is located to the driver to be connected with the chamber door through the connecting rod, door opener is connected with the controlling means of oven. The utility model discloses in a no handle brief formula automatic switch door oven, its simple structure, reasonable in design, easy to produce realizes the automatic switch of chamber door through the operation of the driver drive connecting rod among the device of opening a door, need not to set up the handle for the oven, has simplified the setting of oven, promotes user's use impression, can also improve the enterprise aesthetic property, promotes the market competitiveness of this product, lets its better user's that satisfies needs.

Description

Oven with handle-free simple automatic door opening and closing function

Technical Field

The utility model belongs to the technical field of household electrical appliances, in particular to no handle brief formula automatic switch door oven.

Background

An oven is a sealed electric appliance for baking food or drying products, and is classified into a home electric appliance and an industrial oven. The domestic oven can be used for processing some pasta. An industrial oven is a device used for drying products in industry, and is an electric oven and a gas oven, which are also called as an oven, a drying box and the like. The household ovens are classified into a small desktop oven and a built-in oven.

At present, more and more users select the embedded oven, and the embedded kitchen appliance causes the occupied space of the kitchen to be smaller. However, the prior built-in oven needs manual opening and closing of the door, so that the surface of the cabinet is provided with the handle which protrudes out of the outer surface of the cabinet, the overall appearance of the cabinet is affected, and the condition that the handle is scraped to a user often occurs, so that the prior oven is still to be improved.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: in order to overcome not enough above, the utility model aims at providing a no handle brief formula automatic switch door oven, its simple structure, reasonable in design, easy to produce realizes the automatic switch of chamber door through the operation of the driver drive connecting rod among the device of opening the door, need not to set up the handle for the oven, has simplified the setting of oven, promotes user's use impression, can also improve the enterprise aesthetic property, promotes the market competition of this product.

The technical scheme is as follows: in order to achieve the above object, the utility model provides a no handle brief formula automatic switch door oven, include: oven body, chamber door and a set of door opener, wherein, door opener includes driver and connecting rod, the chamber door is articulated with the oven body, and both are connected through a set of door opener, one side of oven body is located to the driver to be connected with the chamber door through the connecting rod, door opener is connected with the controlling means of oven. The utility model discloses in a no handle brief formula automatic switch door oven, its simple structure, reasonable in design, easy to produce realizes the automatic switch of chamber door through the operation of the driver drive connecting rod among the device of opening a door, need not to set up the handle for the oven, has simplified the setting of oven, promotes user's use impression, can also improve the enterprise aesthetic property, promotes the market competition of this product, lets its better user's that satisfies needs.

The driver comprises a driving motor, a worm, a first duplicate gear, a second duplicate gear, a third duplicate gear and a rack, wherein the first duplicate gear comprises a helical gear and a first pinion gear, the second duplicate gear and the third duplicate gear respectively comprise a large gear and a second pinion gear, and the first duplicate gear, the second duplicate gear and the third duplicate gear are respectively fixed with corresponding central shafts;

the worm is arranged at the output end of the driving motor and meshed with a helical gear in the first duplicate gear, the second duplicate gear is simultaneously meshed with a pinion on the first duplicate gear and a gearwheel on the third duplicate gear, a pinion on the third duplicate gear is meshed with the rack, and one end of the rack, which is far away from the third duplicate gear, is connected with the box door. The driving motor drives the first duplicate gear, the second duplicate gear and the third duplicate gear to rotate through the worm, the driving rack is driven to stretch out in the process of rotating the third duplicate gear, the stretching-out process of the rack is realized, the connecting rod is rotated under the forward pushing action of the rack, so that the door body rotates, the oven is opened, the linear movement is converted into the rotation of the door body through the matching of the rack and the connecting rod, other conversions are not needed, the structure is simple, the production is easy, and meanwhile, the cost for designing the automatic opening and closing door can be effectively reduced.

Further, the driver further comprises a shell, the driving motor, the worm, the first duplicate gear, the second duplicate gear and the third duplicate gear are all arranged in the shell, and the central shaft is connected with the shell. The arrangement of the shell can play a certain protection role on the driver and can also improve the use safety of the driver.

In addition, the door limiting device further comprises a limiting block, the limiting block is arranged on the door, one end, far away from the driver, of the connecting rod is arranged in the limiting block, and the connecting rod and the limiting block are coaxially connected. The setting of stopper can play certain limiting displacement to the connecting rod.

Preferably, the limiting block comprises a limiting block body, the limiting block body is provided with a mounting hole, and a limiting bump is arranged on the outer side of the mounting hole. The shape of the limiting convex block can determine the connection rotating angle, so that the opening angle of the box door can be adjusted, and a user can select different shapes of the limiting convex block according to needs.

Further preferably, the inner edge of the limit bump is an arc-shaped edge in an inverted U shape, and the connecting rod is matched with the limit bump.

Furthermore, the inner edge of the limiting lug is provided with a pressure strain gauge.

Still more preferably, a pressure strain gauge is attached to a contact part of the connecting rod and the limiting bump. The pressure strain gauge can replace electric elements such as a position switch and the like, so that the space is saved, the structure is reliable, and the structure of the oven is further optimized.

Above-mentioned technical scheme can find out, the utility model discloses following beneficial effect has:

1. the utility model discloses in a no handle brief formula automatic switch door oven, its simple structure, reasonable in design, easy to produce realizes the automatic switch of chamber door through the operation of the driver drive connecting rod among the device of opening a door, need not to set up the handle for the oven, has simplified the setting of oven, promotes user's use impression, can also improve the enterprise aesthetic property, promotes the market competition of this product, lets its better user's that satisfies needs.

2. Drive motor pass through the first duplicate gear of worm drive, second duplicate gear, third duplicate gear rotates, drive the rack at third duplicate gear pivoted in-process and stretch out, the in-process that stretches out of rack, the connecting rod rotates under the rack forward pushing action to make the door body rotate, realize the oven and open the door, rack and connecting rod cooperation turn into the rotation of the door body with rectilinear movement, need not other conversions, moreover, the steam generator is simple in structure, easy to produce, the cost that simultaneously also can effectual reduction automatic switch door design.

3. The driver still includes the casing, and the setting of casing can play certain guard action to the driver, also can improve the security of its use simultaneously.

4. The utility model discloses still include the stopper, the setting of stopper can play certain limiting displacement to the connecting rod. Meanwhile, the shape of the limiting lug can determine the connection rotating angle, so that the opening angle of the box door can be adjusted, and a user can select different shapes of the limiting lug according to needs.

Drawings

Fig. 1 is a schematic structural view of a handle-less compact oven with an automatic door opening and closing function according to the present invention;

fig. 2 is a schematic view of the internal structure of the door opening device of the present invention;

fig. 3 is a schematic structural view of the other side of the middle open door device of the present invention opposite to fig. 2;

FIG. 4 is a schematic view of a partial connection of a connecting rod according to the present invention;

fig. 5 is the structure schematic diagram of the middle stopper of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but 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 thus 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, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically 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 according to specific situations by those of ordinary skill in the art.

In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Example 1

A handleless compact automatic door opening and closing oven as shown in figures 1 to 5, comprising: the oven comprises an oven body 1, a door 2 and a set of door openers 3, wherein the door openers 3 comprise a driver 31 and a link 32, the driver 31 comprises a driving motor 311, a worm 312, a first duplicate gear 313, a second duplicate gear 314, a third duplicate gear 315 and a rack 316, wherein the first duplicate gear 313 comprises a helical gear and a first pinion gear, and the second duplicate gear 314 and the third duplicate gear 315 each comprise a bull gear and a second pinion gear;

the oven door 2 is hinged with the oven body 1 and connected with the oven body through a group of door opening devices 3, the worm 312 is arranged at the output end of the driving motor 311, the worm 312 is meshed with a helical gear in the first duplicate gear 313, the second duplicate gear 314 is simultaneously meshed with a pinion on the first duplicate gear 313 and a bull gear on the third duplicate gear 315, a pinion on the third duplicate gear 315 is meshed with the rack 316, and one end of the rack 316, which is far away from the third duplicate gear 315, is connected with the connecting rod 32; the first duplicate gear 313, the second duplicate gear 314 and the third duplicate gear 315 are respectively fixed with the corresponding central shafts 317; the driver 3 is arranged at one side of the oven body 1 and is connected with the oven door 2 through a connecting rod 32, and the door opening device 3 is connected with a control device of the oven.

In this embodiment, the driver 31 further includes a housing 318, the driving motor 311, the worm 312, the first duplicate gear 313, the second duplicate gear 314, and the third duplicate gear 315 are all disposed in the housing 318, and the central shaft 317 is connected to the housing 318.

The embodiment further comprises a limit block 4, the limit block 4 is arranged on the box door 2, one end of the connecting rod 32, which is far away from the driver 31, is arranged in the limit block 4, and the two are coaxially connected.

In this embodiment, the stopper 4 includes a stopper body, the stopper body is provided with a mounting hole 41, and a limiting projection 42 is provided on the outer side of the mounting hole 41.

In this embodiment, the inner edge of the limiting protrusion 42 is an arc-shaped edge in an inverted U shape, and the connecting rod 32 is matched with the limiting protrusion 42.

Example 2

A handleless compact automatic door opening and closing oven as shown in figures 1 to 5 comprises: the oven comprises an oven body 1, a door 2 and a set of door openers 3, wherein the door openers 3 comprise a driver 31 and a link 32, the driver 31 comprises a driving motor 311, a worm 312, a first duplicate gear 313, a second duplicate gear 314, a third duplicate gear 315 and a rack 316, wherein the first duplicate gear 313 comprises a helical gear and a first pinion gear, and the second duplicate gear 314 and the third duplicate gear 315 each comprise a bull gear and a second pinion gear;

the oven door 2 is hinged with the oven body 1 and is connected with the oven body 1 through a group of door opening devices 3, the worm 312 is arranged at the output end of the driving motor 311, the worm 312 is meshed with a helical gear in the first duplicate gear 313, the second duplicate gear 314 is meshed with a pinion on the first duplicate gear 313 and a bull gear on the third duplicate gear 315 at the same time, a pinion on the third duplicate gear 315 is meshed with the rack 316, and one end of the rack 316, which is far away from the third duplicate gear 315, is connected with the connecting rod 32; the first duplicate gear 313, the second duplicate gear 314 and the third duplicate gear 315 are respectively fixed with the corresponding central shafts 317; the driver 3 is arranged at one side of the oven body 1 and is connected with the oven door 2 through a connecting rod 32, and the door opening device 3 is connected with a control device of the oven.

In this embodiment, the inner edge of the limiting protrusion 42 is provided with a pressure strain gauge.

In this embodiment, a pressure strain gauge is attached to a contact portion between the connecting rod 32 and the limiting protrusion 42.

The operation principle of the oven with the handle-free simple automatic door opening and closing function in the embodiment is as follows: 1): firstly, selecting an automatic function or a manual function according to needs, wherein if the automatic function is selected, the specific door opening mode is as follows: 2): after a user triggers a door opening signal, the driving motor 311 rotates, when the driving motor 311 rotates, the worm 312 drives the first duplicate gear 313 to rotate, the second duplicate gear 314 rotates along with the first duplicate gear 313 under the driving of the first duplicate gear 313, and the third duplicate gear 315 rotates along with the second duplicate gear 314 under the rotation of the second duplicate gear 314;

3): during the rotation of the third duplicate gear 315, the pinion thereon will drive the rack 316 to extend;

4): since the rack 316 is connected with the link 32 and the other end of the link 32 is connected with the door 2, the link 32 will rotate around the connection in the limiting block 4 during the process of extending the rack 316, so as to drive the door 2 to open;

5): when the box door 2 rotates to the limit position, the pressure strain gauge on the connecting rod 32 contacts with the pressure strain gauge on the limit block 4 to generate pressure, and then the pressure signal is transmitted to the control device;

6): the data processing unit in the control device will process the information received in the previous step and send the result to the controller, and the controller will send an instruction to the driver 31 to stop the rotation, so that the driver 31 stops the rotation.

In the working method of the oven with the handleless simple automatic door opening and closing function in the embodiment, the worm 312 is at least a worm with more than four heads, so that the worm 312 and the helical gear are not self-locked, and the manual function can be realized.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principles of the present invention, and these modifications should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a no handle brief formula automatic switch door oven which characterized in that: the method comprises the following steps: oven body (1), chamber door (2) and a set of door opener (3), wherein, door opener (3) include driver (31) and connecting rod (32), chamber door (2) are articulated with oven body (1), and both are connected through a set of door opener (3), one side of oven body (1) is located in driver (31) to be connected with chamber door (2) through connecting rod (32), door opener (3) are connected with the controlling means of oven.

2. The handleless compact automatic door opening and closing oven as claimed in claim 1, wherein: the driver (31) comprises a driving motor (311), a worm (312), a first duplicate gear (313), a second duplicate gear (314), a third duplicate gear (315) and a rack (316), wherein the first duplicate gear (313) comprises a helical gear and a first pinion gear, the second duplicate gear (314) and the third duplicate gear (315) each comprise a bull gear and a second pinion gear, and the first duplicate gear (313), the second duplicate gear (314) and the third duplicate gear (315) are respectively fixed with corresponding central shafts (317);

the worm (312) is arranged at the output end of the driving motor (311), the worm (312) is meshed with a bevel gear in the first duplicate gear (313), the second duplicate gear (314) is meshed with a pinion on the first duplicate gear (313) and a large gear on the third duplicate gear (315), the pinion on the third duplicate gear (315) is meshed with the rack (316), and one end, far away from the third duplicate gear (315), of the rack (316) is connected with the box door (2).

3. The compact, automatic, handleless, door-opening and door-closing oven as defined in claim 2, wherein: the driver (31) further comprises a shell (318), the driving motor (311), the worm (312), the first duplicate gear (313), the second duplicate gear (314) and the third duplicate gear (315) are all arranged in the shell (318), and the central shaft (317) is connected with the shell (318).

4. The compact, hands-free, automatic door opening and closing oven of claim 1, wherein: the refrigerator door is characterized by further comprising a limiting block (4), the limiting block (4) is arranged on the refrigerator door (2), one end, far away from the driver (31), of the connecting rod (32) is arranged in the limiting block (4), and the connecting rod and the limiting block are coaxially connected.

5. The compact, hands-free, automatic door opening and closing oven of claim 4, wherein: the limiting block (4) comprises a limiting block body, a mounting hole (41) is formed in the limiting block body, and a limiting convex block (42) is arranged on the outer side of the mounting hole (41).

6. The handleless compact automatic door opening and closing oven according to claim 5, wherein: the inner edge of the limiting convex block (42) is an arc-shaped edge in an inverted U shape, and the connecting rod (32) is matched with the limiting convex block (42).

7. The compact, hands-free, automatic door opening and closing oven of claim 5, wherein: the inner edge of the limiting bump (42) is provided with a pressure strain gauge.

8. The handleless compact automatic door opening and closing oven according to claim 4, wherein: and a pressure strain gauge is attached to the contact part of the connecting rod (32) and the limiting bump (42).