CN108991941B

CN108991941B - Baking oven

Info

Publication number: CN108991941B
Application number: CN201810989066.6A
Authority: CN
Inventors: 高孝会
Original assignee: Foshan Derong Electric Appliance Co ltd
Current assignee: Foshan Derong Electric Appliance Co., Ltd
Priority date: 2018-08-28
Filing date: 2018-08-28
Publication date: 2020-07-14
Anticipated expiration: 2038-08-28
Also published as: CN108991941A

Abstract

The invention discloses an oven, which comprises an oven body, a motor and a rotating body with a rotating shaft, wherein the rotating shaft rotates so as to enable the rotating body to rotate around the axis of the rotating shaft; the rotor is accommodated in the first cavity, a bracket for mounting the rotor is fixed on the partition plate, and the rotor is mounted in the bracket along the direction crossed with the axis of the rotating shaft; the motor is arranged in the second cavity and is provided with a motor shaft, the motor shaft corresponds to the rotating shaft, and the partition plate is provided with a through hole for connecting the two shafts at the corresponding position; the clutch device is arranged in the second cavity, and the shaft coupler is moved through the clutch device, so that the rotating shaft can be conveniently installed, and the shaft coupler can be matched for transmission. The clutch device is additionally arranged, so that the rotating shaft can be conveniently mounted or dismounted.

Description

Baking oven

Technical Field

The invention relates to the field of electric heating cookers, in particular to an oven.

Background

The oven belongs to common household appliances, a plurality of foods are suitable for baking, wonderful fragrance can be emitted by baking, in order to ensure that the foods are baked uniformly, the foods can rotate in the oven, so that all the outer surfaces of the foods can be baked uniformly, the oven which is controlled to rotate manually or electrically in the prior art is provided with a rotating body for placing the foods, the rotating body is provided with a rotating shaft, the rotating shaft needs to be arranged into a split and detachable structure because the rotating body needs to be detached to load or unload the foods frequently, so that a coupling is inevitably required to be arranged to transmit the power of a hand-cranking device or a motor shaft to the rotating shaft, the rotating shaft of the existing product is difficult to be arranged in the coupling, the rotating shaft can be conveniently arranged in the coupling by changing the shape of the coupling, but the rotating shaft has great influence on the transmission stability; in the prior art, a clutch device is not added to the coupler to facilitate the installation of the rotating shaft.

Disclosure of Invention

The invention aims to solve the technical problems and provides an oven with a rotating shaft which can be conveniently installed.

In order to achieve the purpose, the technical scheme of the invention is as follows:

an oven comprises an oven body, a motor and a rotating body with a rotating shaft, wherein the rotating shaft rotates to enable the rotating body to rotate around the axis of the rotating shaft; the rotor is accommodated in the first cavity, a bracket for mounting the rotor is fixed on the partition plate, and the rotor is mounted on the bracket; the motor is arranged in the second cavity and is provided with a motor shaft, the motor shaft and the rotating shaft are coaxially arranged in parallel, and the partition plate is provided with a through hole matched with the motor shaft and the rotating shaft; the clutch device is arranged in the second cavity and comprises a connecting plate, a hinged frame and a torsion spring, the hinged frame is fixed on the separating plate, a hinged part is arranged on the connecting plate and hinged to the hinged frame, the torsion spring is arranged on the hinged part, one side of the torsion spring abuts against the connecting plate, and the other side of the torsion spring abuts against the hinged frame; one end of the connecting plate is movably connected with the coupler, the torsion spring is compressed, then the connecting plate can move the coupler to one side of the motor shaft until the coupler is separated from the connecting part of the rotating shaft, and the compression of the torsion spring can be recovered after being released.

According to the oven, the motor shaft and the rotating shaft are connected through the coupler, the clutch device matched with the coupler is added, the coupler can move back and forth under the limitation of the motor shaft, the effect of disengaging from and sleeving the rotating shaft is achieved, and the installation and transmission of the rotating shaft are facilitated; in the prior art, for a coupler structure without a clutch device, the coupler and a sleeve joint part of a rotating shaft are designed to have shorter size, the diameter of a shaft hole is set to be larger so as to facilitate the insertion of the rotating shaft, and the rotating shaft is also designed to have larger size so as to facilitate the insertion of the rotating shaft into the coupler; the rotating shaft and the coupling and the sleeved part of the rotating shaft can be manufactured to be slender, so that the transmission structure between the rotating shaft and the coupling is more stable; the clutch device of this application is including linking board, articulated frame and torsional spring, and articulated frame supplies even board installation, the torsional spring is for linking the board and providing the elasticity that recovers, links board one side and connects the shaft coupling, and the opposite side is connected as the stress point, receives the exogenic action and links the board and can be around articulated portion activity, will the shaft coupling to motor shaft one side remove until break away from with the connection of pivot just so can make the convenient installation of pivot or dismantle.

Preferably, be equipped with the breach on the tip of even board, be equipped with on the shaft coupling with first annular of breach complex, should link the board and insert first annular and shaft coupling swing joint through the breach to drive the shaft coupling. The breach has sufficient size, exists in the activity in-process of even board the breach is close gradually with first annular, so this breach should set up sufficient size in order to cooperate the shaft coupling that constantly is close in the activity, provides sufficient activity space for the shaft coupling, avoids the card between breach and the first annular to die.

Preferably, still include for the torsional spring provides the press device of the power of compression, be equipped with the mounting groove that supplies the press device installation on the box, press device includes button and spring, the button is supported by spring elastic in the mounting groove, the button to even the board extension is equipped with the ejector pin. This press device adopts mechanical type to press the structure, and the position of easily pressing is directly set up press device on the box, and the structure is pressed in convenient control and removes the shaft coupling through clutch to can not influence the installation or the dismantlement of pivot.

Preferably, the electric control pressing device is used for providing a compression force for the torsion spring, and the electric control pressing device is used for selectively applying or releasing the pressure to the clutch device after an electric signal is input. The clutch device can be electrically pressed through a common electric control device, such as: the push rod motor, the common motor and cam structure or the hydraulic device and other structures can realize electric control pressing of the clutch device.

The clutch device further comprises a touch key and a control panel, the touch key is electrically connected with the control panel, the control panel is electrically connected with the electric control pressing device, and the control panel generates a control signal to enable the electric control pressing device to apply or release pressure to the clutch device by pressing the touch key. The touch key should be arranged at a position easy to be operated by a user, so that the user can operate the touch key conveniently.

Preferably, the hinge frame is a mounting seat of the motor. The hinge frame can provide a mounting position for the motor except for mounting the connecting plate and supplying the torsion spring to abut against, so that the integral structure of the oven is more compact.

Preferably, the support extends to first chamber from the division board of installation and has the installation the mounting panel of pivot, be equipped with the second annular in the pivot, the second annular is installed on the mounting panel, and the partial pivot between second annular and division board supplies pivot and shaft coupling cooperation transmission. In order to conveniently install the rotating shaft on the mounting plate, the length of the end point of the rotating shaft from the second ring groove of the rotating shaft to the partition plate in the direction should be less than the length between the mounting plate and the partition plate in the same direction, and the part of the rotating shaft has a certain length to provide stable transmission for the rotating shaft.

Furthermore, a second support is arranged on the other side of the box body corresponding to the partition plate and matched with the rotating shaft.

Still further, the rotor still includes the rotating cage, the rotating cage is fixed on the pivot.

Still further, the first cavity has an opening, and the first cavity further comprises a cover plate covering the opening, and the cover plate can be folded and stored to open the opening.

Drawings

FIG. 1 is a cross-sectional view of an oven of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1;

FIG. 3 is an enlarged view of a portion of FIG. 1 at b;

FIG. 4 is a perspective view of the pressing device of the present invention;

FIG. 5 is a perspective view of a spindle of the present invention;

FIG. 6 is a perspective view of a stent of the present invention;

FIG. 7 is a cross-sectional view of the coupling of the present invention;

FIG. 8 is a schematic perspective view of the coupling of the present invention in mating relationship with a connecting plate;

fig. 9 is a perspective view of the oven of the present invention with the cover plate folded.

Detailed Description

An oven of the present invention is described with reference to the accompanying drawings.

An oven as shown in fig. 1 comprises an oven body 1, a motor 2 and a rotator 3 having a rotating shaft 31, wherein the rotating shaft 31 rotates to make the rotator 3 rotate around the axis of the rotating shaft 31, the oven body 1 at least forms a first cavity 11 and a second cavity 12, the first cavity 11 and the second cavity 12 are separated by a partition plate 13, the first cavity 11 is used as a heating cavity of the oven, food can be heated and roasted in the first cavity 11, the rotator 3 is accommodated in the first cavity 11, the rotator 3 is used as a food bearing device, and a bracket 14 for mounting the rotator 3 is fixed on the partition plate 13; in addition, a second bracket can also be arranged on the panel opposite to the partition plate 13 for mounting the rotating body 3, so that the rotating body 3 can be better supported in the first cavity 11; the second cavity 12 is used as a cavity for mounting parts, the motor 2 is mounted in the second cavity 12, the motor 2 is provided with a motor shaft 21, the motor shaft 21 corresponds to the rotating shaft 31, and the partition plate 13 is provided with a through hole 16 for connecting the two shafts at the corresponding position; the motor is characterized by further comprising a coupler 5 for connecting the motor shaft 21 and the rotating shaft 31 and a clutch device 4 for controlling the coupler 5 to move, wherein the coupler 5 can move towards the motor shaft 21 side until being disconnected from the rotating shaft 31 after being acted by external force through the clutch device 4, and can be restored after the action of the external force is released.

The rotating shaft 31 is used for transmitting power, and should be a shaft having a polygonal cross section, such as a triangular prism or a rectangular parallelepiped, and the shaft is rotatably mounted on the bracket 14 and also needs to rotate relative to the bracket 14, so that a ring groove needs to be formed on the shaft to cooperate with the bracket 14 so that the shaft can rotate on the bracket 14.

As shown in fig. 5, the rotating shaft 31 has a rectangular parallelepiped shape, and a second annular groove 311 is provided at a position on the rotating shaft 31 that engages with the holder 14, the second annular groove 311 engages with the holder 14 so that the rotating shaft 31 can rotate thereon, and the rotating shaft 31 is further provided with a screw hole 313 for fixing other components of the rotating body 3.

As shown in fig. 1, the rotor 3 further includes a cage 32 and a knob 33, the knob 33 is screwed into the threaded hole 313, so that the cage 32 is fixed on the rotating shaft 31, and the knob 33 and the cage 32 can also rotate along with the rotating shaft 31.

The holder 14 shown in fig. 6 includes a fixing plate 143, an extension plate 144, and a mounting plate 142, wherein the fixing plate 143 is provided with a fixing hole 1431, the fixing plate 143 is fixed to the partition plate 13 through the fixing hole 1431, the extension plate 144 extends from the fixing plate 143 into the first cavity 11, the mounting plate 142 for mounting the rotating shaft 31 is formed at an extended end portion thereof, and the mounting plate 142 is further formed with a mounting notch 141 for mounting the second ring groove 311 of the rotating shaft 31.

As shown in fig. 2 and 5, a part of the rotating shaft 31 between the second annular groove 311 and the partition plate 13 is a transmission part 312 for the rotating shaft 31 to cooperate with the coupling 5 for transmission, and in order to facilitate the installation of the rotating shaft 31 on the mounting plate 142, the length of the transmission part 312 on the rotating shaft 31 should be smaller than the length from the mounting plate 142 to the partition plate 13 in the same direction.

The clutch device 4 shown in fig. 2 comprises a connecting plate 41, a hinge frame 42 and a torsion spring 43, wherein the hinge frame 42 is fixed on the partition plate 13, the connecting plate 41 is provided with a hinge portion 411, the hinge portion 411 is hinged with the hinge frame 42, the torsion spring 43 is installed on the hinge portion 411, and one side of the torsion spring 43 abuts against the connecting plate 41 and the other side abuts against the hinge frame 42; one end of the link plate 41 is movably connected to the coupling 5, and after the torsion spring 43 is compressed, the link plate 41 moves the coupling 5 toward the motor shaft 21 until the link plate is disconnected from the rotating shaft 31, and can be restored after the compression of the torsion spring 43 is released.

The hinge bracket 42 is also a mounting seat for the motor 2. The hinge frame 42 can provide a mounting position for the motor 2, so that the whole oven structure is more compact, besides mounting the connecting plate 41 and supporting the torsion spring 43.

As shown in fig. 8, a notch 412 is provided at an end of the connecting plate 41, a first annular groove 51 engaged with the notch 412 is provided in the coupling 5, and the connecting plate 41 is engaged with the first annular groove 51 by inserting the notch 412 to move the coupling 5 toward the motor shaft 21. The notch 412 has a sufficient size, and during the movement of the connecting plate 41, the notch 412 is gradually close to the first annular groove 51, so the notch 412 should be set to have a sufficient size to fit the coupler 5 which is continuously close in the movement, so as to provide a sufficient movement space for the coupler 5, and avoid the jamming between the notch 412 and the first annular groove 51.

As shown in fig. 1, 2 and 8, the hinge portion 411 is disposed in the middle of the connecting plate 41, the hinge portion 411 further includes a pin 4111, the torsion spring 43 is sleeved on the pin 4111, when the pressing device 6 applies an acting force to the connecting plate 41 from one end of the connecting plate 41, the connecting plate 41 rotates around the pin 4111 of the hinge portion 411, so as to drive the connecting plate 41 on the other side to rotate, and the notch 412 on the connecting plate 41 on the side is matched with the first annular groove 51 on the coupling 5, so that the coupling 5 is separated from the rotating shaft 31, thereby facilitating the installation or detachment of the rotator 3.

According to the oven, the motor shaft 21 and the rotating shaft 31 are connected through the coupler 5, the clutch device 4 matched with the coupler 5 is added, the coupler 5 can move back and forth under the limitation of the motor shaft 21, and the effect of disengaging from and sleeving the rotating shaft 31 is generated, so that the installation and transmission of the rotating shaft 31 are facilitated; the structure of the coupler 5 without the clutch device 4 is improved differently from the prior art, the sleeved part of the coupler 5 and the rotating shaft 31 is designed to be short and large so as to facilitate the insertion of the rotating shaft 31, and the rotating shaft 31 is also designed to be large in size; the rotating shaft 31 and the sleeved part of the coupling 5 and the rotating shaft 31 can be made to be more slender, so that the transmission structure between the rotating shaft 31 and the coupling is more stable; clutch 4 of this application is including linking board 41, articulated frame 42 and torsional spring 43, and articulated frame 42 supplies even board 41 installation, torsional spring 43 are for linking board 41 provides the elasticity that recovers, links board 41 one side and connects shaft coupling 5, and the opposite side is connected as the stress point, receives the exogenic action and links board 41 and can move around articulated portion 411, will shaft coupling 5 to motor shaft 21 one side remove until break away from with the connection of pivot 31, just so can make convenient installation or dismantlement of pivot 31.

The button device 6 is used for providing a compression force for the torsion spring 43, the installation position of the button device 6 is in a large relation with the installation positions of the hinging part 411 and the torsion spring 43, and preferably, the connecting plate 41 forms a lever, so that the button device 6 can apply a force to deform the torsion spring 43 conveniently.

In order to facilitate the installation of the pressing device 6, as shown in the pressing device 6 shown in fig. 3 and 4, the housing 1 is provided with an installation groove 15 for installing the pressing device 6, the pressing device 6 includes a key 61 and a spring 62, the key 61 is elastically supported in the installation groove 15 by the spring 62, and the key 61 extends towards the connecting plate 41 and is provided with a push rod 611. This press device 6 adopts mechanical type to press the structure, and stable in structure is reliable, directly sets up press device 6 and goes up the position of easily pressing on the box 1, and convenient control is pressed the structure and is passed through clutch 4 and remove shaft coupling 5 to can not influence the installation or the dismantlement of pivot 31.

And a limit groove 151 is further arranged in the mounting groove 15, a limit protrusion 612 is arranged on the key 61, and the limit groove 151 is matched with the limit protrusion 612 to limit the key 61 to move in the mounting groove 15.

The invention also provides another embodiment of a pressing device:

the pressing device in this embodiment is an electrically controlled pressing device that selectively applies or releases an application pressure to the clutch device 4 after an electrical signal is applied thereto. The electric pressing of the clutch device 4 can be realized by a common electric control device, such as: the push rod motor, the common motor and cam structure or the hydraulic device and other structures can realize electric control pressing of the clutch device 4.

The clutch device is characterized by further comprising a touch key and a control panel, wherein the touch key is electrically connected with the control panel, the control panel is electrically connected with the electric control pressing device, and the control panel generates a control signal to enable the electric control pressing device to apply or release pressure to the clutch device 4 by pressing the touch key. The touch button should be disposed at a position easy to be operated by a user for a user's convenience, and the electric installation device can be disposed at any position in the second cavity 12, so that there are more choices for the installation positions of the link plate 41, the hinge portion 411 and the torsion spring 43, and the electric installation device can be adapted to the structure of ovens with different sizes.

The coupling 5 shown in fig. 2 and 7 includes a first shaft hole 52 connected to the motor shaft 21 and a second shaft hole 53 connected to the rotating shaft 31, and the length of the first shaft hole 52 is significantly longer than the length of the second shaft hole 53 because the first shaft hole 52 provides a sufficient space for the coupling 5 to move.

As shown in fig. 9, the first chamber 11 has an opening, and further includes a cover plate covering the opening, and the cover plate can be folded to open the opening.

Variations and modifications to the above-described embodiments may occur to those skilled in the art, which fall within the scope and spirit of the above description. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and variations of the present invention should fall within the scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.

Claims

1. An oven comprises an oven body, a motor and a rotating body with a rotating shaft, wherein the rotating shaft rotates to enable the rotating body to rotate around the axis of the rotating shaft; the rotary body is accommodated in the first cavity, a bracket for mounting the rotary body is fixed on the partition plate, and the rotary body is mounted on the bracket; the motor is arranged in the second cavity and is provided with a motor shaft, the motor shaft and the rotating shaft are coaxially arranged in parallel, and the partition plate is provided with a through hole matched with the motor shaft and the rotating shaft; the clutch device is arranged in the second cavity and comprises a connecting plate, a hinged frame and a torsion spring, the hinged frame is fixed on the separating plate, a hinged part is arranged on the connecting plate and hinged to the hinged frame, the torsion spring is arranged on the hinged part, one side of the torsion spring abuts against the connecting plate, and the other side of the torsion spring abuts against the hinged frame; one end of the connecting plate is movably connected with the coupler, the torsion spring is compressed, then the connecting plate can move the coupler to one side of the motor shaft until the coupler is separated from the connecting part of the rotating shaft, and the compression of the torsion spring can be recovered after being released.

2. The oven as claimed in claim 1, wherein the connecting plate has a notch at an end thereof, the coupling has a first ring groove engaged with the notch, and the connecting plate is inserted into the first ring groove through the notch to be movably connected to the coupling, thereby driving the coupling.

3. The oven of claim 1 or 2, further comprising a pressing device for providing a compressed force to the torsion spring, wherein a mounting groove for mounting the pressing device is formed in the oven body, the pressing device comprises a key and a spring, the key is elastically supported in the mounting groove by the spring, and the key extends towards the connecting plate and is provided with a push rod.

4. The oven of claim 1 or 2, further comprising an electrically controlled biasing device for providing a compressive force to said torsion spring, said electrically controlled biasing device being configured to selectively apply or release a compressive force to said clutch upon application of an electrical signal.

5. The oven of claim 4, further comprising a touch button and a control panel, wherein the touch button is electrically connected to the control panel, the control panel is electrically connected to the electrically controlled pressing device, and the control panel generates a control signal to enable the electrically controlled pressing device to apply or release the pressure to the clutch device by pressing the touch button.

6. An oven as claimed in claim 1 wherein said hinged bracket is a mounting for said motor.

7. The oven of claim 1, wherein the bracket extends from the installed divider plate to the first cavity to form a mounting plate for mounting the shaft, the shaft is provided with a second annular groove, the second annular groove is mounted on the mounting plate, and a part of the shaft between the second annular groove and the divider plate is used for the transmission of the shaft and the coupling.

8. The oven of claim 7, wherein the case body is provided with a second bracket at the other side of the corresponding partition plate to be engaged with the rotation shaft.

9. The oven of claim 1 wherein said rotator further comprises a cage, said cage being secured to said shaft.

10. The oven of claim 1, wherein said first cavity has an opening, further comprising a cover panel foldably stowed to open said opening.