CN113367579B

CN113367579B - Shaft connecting structure of cooker

Info

Publication number: CN113367579B
Application number: CN202110882532.2A
Authority: CN
Inventors: 罗泳志
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-02
Filing date: 2021-08-02
Publication date: 2023-01-10
Anticipated expiration: 2041-08-02
Also published as: CN113367579A

Abstract

The invention relates to a shaft connecting structure of a cooker, which comprises a driving device, a rotating part, an upper connecting disc and a lower connecting disc, wherein the driving device is provided with an output shaft; the upper connecting disc comprises a first disc body and a plurality of sleeves, a first transmission part is arranged on the upper surface of the first disc body and is in transmission connection with the input shaft, the sleeves are arranged at intervals, and the sleeves extend from the lower surface of the first disc body to the lower part of the first disc body; the lower connecting disc comprises a second disc body and plug connectors, a second transmission part is arranged on the lower surface of the second disc body and is in transmission connection with the output shaft, the plug connectors are matched with the sleeve in number and position, the plug connectors extend from the upper surface of the second disc body to the upper side of the second disc body, and the plug connectors and the sleeve are mutually connected to enable a heat dissipation cavity to be formed between the first disc body and the second disc body. The shaft connecting structure of the cooker is improved, and the phenomenon that the transmission structure fails due to the fact that the transmission part of the shaft connecting structure for connecting the rotating parts of the cooker is abraded too fast is avoided.

Description

Shaft connecting structure of cooker

Technical Field

The invention relates to the field of cooking equipment, in particular to a shaft connecting structure of a cooker.

Background

A cooker with a rotary baking tray is provided, a shaft connecting structure is arranged between a shaft of the baking tray and an output shaft of a power output device, as shown in figure 1, the shaft connecting structure comprises a swing shaft sleeve 4, a clamping piece 5 and a movable cap 7, a first transmission shaft 42 of the swing shaft sleeve 4 is inserted into the lower end of the clamping piece 5, the movable cap 7 is sleeved on a second transmission shaft 52 at the upper end of the clamping piece 5, the shaft connecting structure forms a shaft connecting structure between an output shaft 21 of a driving device 2 and a baking tray shaft, power generated by the driving device 2 is transmitted to the baking tray, so that the baking tray can also rotate, as a rotating shaft on the baking tray is directly inserted into the movable cap 7 and is matched for transmission, in the rotating process, the movable cap 7 drives the baking tray to rotate and together with the baking tray to bear larger torque, as the movable cap 7 and the clamping piece 5 are formed separately, the heat dissipation effect of the shaft connecting structure is poor, and after long-time use, the second transmission shaft 52 of the movable cap 7 and the clamping piece 5 can be abraded, even the rotating between the clamping piece 5 and the baking tray can not rotate under the driving of the driving device.

Disclosure of Invention

The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide a shaft coupling structure for a cooking appliance, which improves the shaft coupling structure for a cooking appliance to facilitate heat dissipation, and simultaneously prevents a transmission structure from being deteriorated due to excessive wear of a transmission part of the shaft coupling structure for coupling a rotating member of the cooking appliance.

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

a shaft connecting structure of a cooker comprises a driving device, a rotating piece, an upper connecting disc and a lower connecting disc, wherein the driving device is provided with an output shaft, the rotating piece is provided with an input shaft, and the upper connecting disc is integrated; the upper connecting disc comprises a first disc body and a plurality of sleeves, a first transmission part is formed on the upper surface of the first disc body and is in transmission connection with the input shaft, the sleeves are arranged at intervals, and the sleeves extend from the lower surface of the first disc body to the lower part of the first disc body; the lower connection disc comprises a second disc body and plug connectors, a second transmission portion is formed on the lower surface of the second disc body and is in transmission connection with the output shaft, the plug connectors are matched with the sleeve in number and positions, the plug connectors are arranged by extending the upper surface of the second disc body to the upper portion of the second disc body, the plug connectors are mutually inserted into the sleeve, and a heat dissipation cavity is formed between the first disc body and the second disc body.

According to the shaft connecting structure of the cooker, the connecting structure is divided into an upper part and a lower part and comprises an upper connecting disc and a lower connecting disc, the upper connecting disc and the lower connecting disc are connected with an output shaft of a driving device and an input shaft of a rotating part respectively after being connected with each other, the rotation generated by the driving device is transmitted to the rotating part, the upper connecting disc is integrated, the upper connecting disc is processed and formed through an integrated forming process, the upper connecting disc is also processed into a whole through a processing process of fixedly connecting the upper connecting disc with the lower connecting disc through welding and the like, and the phenomenon that the connecting structure is influenced by the rotating part to bear overlarge force to cause transmission failure can be avoided; the upper connecting disc and the lower connecting disc are connected through the splicing structures of the sleeves and the plug connectors, and a heat dissipation space is formed between the upper connecting disc and the lower connecting disc, so that the shaft connecting structure in a rotating state can dissipate heat more quickly.

Furtherly, the plug connector is criss-cross grafting strip, after grafting strip and sleeve were pegged graft each other, make telescopic end with there is the clearance between the second disk body, the root correspondence of grafting strip is in the clearance. The upper portion of grafting strip is used for pegging graft with the sleeve cooperation for upper connection pad and lower connection pad can be stably connected and the transmission, and the grafting strip root that is in the clearance can stir surrounding air, thereby improves the convection heat transfer coefficient of surrounding air, makes upper connection pad and lower connection pad dispel the heat with faster speed.

Still further, the upper connecting disc is an upper connecting disc made of metal, the lower connecting disc is a lower connecting disc made of heat-insulating plastic, and the second disc body further comprises reinforcing ribs which are arranged on the upper surface of the second disc body and accommodated in the gaps. The upper connecting disc is made of metal, the structural strength of the upper connecting disc is improved, abrasion of the upper connecting disc and the lower connecting disc due to rotation is avoided, the lower connecting disc is made of heat-insulating plastic, high temperature on the rotation piece is prevented from being transmitted to the driving device by the upper connecting disc made of metal, reinforcing ribs are arranged on the lower connecting disc, and the structural strength of the lower connecting disc is improved.

Still further, the sleeve sets up at least three to evenly and the interval arrangement is in on the lower surface of first disk body, the sleeve of evenly arranging, can make every a set of sleeve more balanced with the atress of the plug connector rather than quantity and position matching, the clearance configuration can conveniently dispel the heat the cavity and dispel the heat evenly.

Still further, the sleeve middle part is for supplying the jack that the plug connector was pegged graft, telescopic end is provided with the orientation the slope anchor ring of jack slope, sleeve and plug connector interference fit. The inclined ring surface can enable the plug connector to be more conveniently inserted into the sleeve and be in interference fit with the sleeve.

Still further, the first transmission part is arranged in a hollow mode, the outer side face of the first transmission part is polygonal, and a first shaft hole which is mutually inserted into the first transmission part and is in transmission fit with the first transmission part is formed in the input shaft. The first transmission part arranged in the hollow mode can reduce the using amount of manufacturing materials, and can also increase the heat dissipation area, so that the upper connecting disc can dissipate heat more efficiently.

And a second shaft hole is formed in the second transmission part, the shape of the second shaft hole is matched with that of the output shaft, the bottom surface of the second shaft hole is a spherical surface, and the spherical surface is abutted to the top surface of the output shaft. The bottom surface of the second shaft hole is a spherical surface, a certain amount of swing space is provided in the matching transmission process of the second transmission part and the output shaft, particularly when the rotating part is not correctly installed, the rotating part can swing towards two sides while rotating, the overall matching is changed into flexible matching, and the effect of automatically adjusting the position of the rotating part is achieved.

Still further, still include the installing support, the installing support is used for installing drive arrangement, the installing support is equipped with a section of thick bamboo support in the position that corresponds the output shaft, go up the connection pad and set up with lower connection pad in the section of thick bamboo support, a section of thick bamboo support is equipped with the heat dissipation logical groove in the position that corresponds the heat dissipation cavity. The heat dissipation through groove is formed in the cylinder support, and the position of the heat dissipation through groove is opposite to the position of a heat dissipation cavity of the upper connecting disc and the lower connecting disc which are installed in the cylinder support, so that the shaft connection structure can dissipate heat better.

Still further, still include the slide bearing, the slide bearing setting is in the top of section of thick bamboo support, the input shaft by slide bearing department insert on the section of thick bamboo support with first transmission part transmission connection. The sliding bearing supports the input shaft to rotate, so that the rotating part can stably rotate.

Furthermore, the rotating part is a baking tray, and the bottom surface of the baking tray is provided with a ring surface which is in contact with the sliding bearing in an abutting mode. The sliding bearing can provide limitation and support for the baking tray when supporting the input shaft of the baking tray, and can directly support the baking tray to rotate when limiting the position of the input shaft of the baking tray inserted into the barrel support, so that the rotation state of the baking tray is more stable, and the baking tray is prevented from shaking.

Drawings

FIG. 1 is an exploded view of a shaft coupling structure of a prior art cooking apparatus;

FIG. 2 is a cross-sectional view of a base portion of a cooker of the present application;

FIG. 3 is an enlarged view of a portion of FIG. 2;

FIG. 4 is an exploded view of a base portion of the cooking appliance of the present application;

FIG. 5 is a perspective view of the base of the cooking apparatus of the present application with the lid removed;

fig. 6 is an exploded view of the shaft connection structure of the present application;

fig. 7 is a perspective view of a shaft connecting structure of the present application;

FIG. 8 is a perspective view of the upper connecting disc of the present application;

fig. 9 is a perspective view of the lower connecting disc of the present application.

Detailed Description

A shaft coupling structure of a cooker according to the present invention will be described with reference to the accompanying drawings.

The cooking device shown in fig. 2 to 9 includes a base 2, a driving device 6, a rotating member 1, and a heating device (not shown), wherein the driving device 6 is installed in the base 2, the rotating member 1 is a baking tray, the baking tray is placed on the base 2, and the driving device 6 is connected to the baking tray through a shaft connecting structure and drives the baking tray to rotate.

The driving device 6 is provided with an output shaft 61, the rotating part 1 is provided with an input shaft 11, the driving device further comprises an upper connecting disc 4 and a lower connecting disc 5, the upper connecting disc 4 is integrated, the upper connecting disc 4 is integrally processed and formed through an integrally formed process, the upper connecting disc 4 is also integrally processed through fixedly connected processing processes such as welding and the like, and the upper connecting disc 4 is integrally arranged, so that the phenomenon that the connecting structure shown in the attached drawing 1 is general, and the rotating part 1 is influenced by the rotating part 1 to bear excessive force to cause abrasion and transmission failure can be avoided.

As shown in fig. 6 and 8, the upper connecting disc 4 includes a first disc 41 and a sleeve 43, a first transmission portion 42 is formed on an upper surface of the first disc 41 and is in transmission connection with the input shaft 11, a plurality of sleeves 43 are arranged at intervals, and the sleeves 43 extend from a lower surface of the first disc 41 to a position below the first disc 41; the first transmission part 42 is hollow, the outer side surface of the first transmission part 42 is polygonal, and the input shaft 11 is provided with a first shaft hole which is mutually inserted and in transmission fit with the first transmission part 42; the first transmission part 42 disposed in the hollow space can reduce the amount of manufacturing materials, and can increase the heat dissipation area, so that the upper connection disc 4 can dissipate heat more efficiently.

As shown in fig. 6 and 9, the lower connection disc 5 includes a second disc body 51 and a plug 53, a second transmission portion 52 is formed on a lower surface of the second disc body 51 and is in transmission connection with the output shaft 61, the plug 53 is arranged in a number and a position matching with the sleeve 43, the plug 53 extends from an upper surface of the second disc body 51 to above the second disc body 51, as shown in fig. 3, a second shaft hole is formed in the second transmission portion 52, a shape of the second shaft hole matches with a shape of the output shaft 61, a bottom surface of the second shaft hole is a spherical surface 55, and the spherical surface 55 is in contact with a top surface of the output shaft 61. The bottom surface of the second shaft hole is a spherical surface 55, a certain amount of swing space is provided in the matching transmission process of the second transmission part 52 and the output shaft 61, especially when the rotating part 1 is not correctly installed, the rotating part 1 can swing towards two sides while rotating, the whole matching is changed into flexible matching, and the effect of automatically adjusting the position of the rotating part 1 is achieved.

As shown in fig. 3 and 7, the plug 53 is inserted into the sleeve 43, so that a heat dissipation cavity is formed between the first tray body 41 and the second tray body 51, the upper connecting disc 4 and the lower connecting disc 5 are connected through a plurality of insertion structures of the sleeve 43 and the plug 53, and a heat dissipation space is formed between the upper connecting disc 4 and the lower connecting disc 5, so that the shaft connection structure in a rotating state can dissipate heat more quickly.

A more preferred embodiment, as shown in fig. 7, the plug connector 53 is a cross-shaped plug strip, and after the plug strip is plugged into the sleeve 43, a gap exists between the end of the sleeve 43 and the second tray body 51, and the root of the plug strip is correspondingly located in the gap. The upper portion of grafting strip is used for pegging graft with the cooperation of sleeve 43 for upper land 4 and lower land 5 can be stably connected and the transmission, and the grafting strip root that is in the clearance can stir surrounding air, thereby improves the convection heat transfer coefficient of surrounding air, makes upper land 4 and lower land 5 can dispel the heat with faster speed.

The upper connecting disc 4 is an upper connecting disc 4 made of metal, the lower connecting disc 5 is a lower connecting disc 5 made of heat-insulating plastic, the second disc body 51 further comprises reinforcing ribs 54, and the reinforcing ribs 54 are arranged on the upper surface of the second disc body 51 and are accommodated in the gaps. The upper connecting disc 4 is made of metal, the structural strength of the upper connecting disc 4 is improved, abrasion of the upper connecting disc 4 by the rotating piece 1 is avoided, the lower connecting disc 5 is made of heat-insulating plastic, high temperature on the rotating piece 1 can be prevented from being transmitted to the driving device 6 by the upper connecting disc 4 made of metal, as shown in fig. 6, the reinforcing ribs 54 are arranged on the lower connecting disc 5, the structural strength of the lower connecting disc 5 is improved, the reinforcing ribs 54 are connected with the plug connectors 53 in pairs respectively, and the structural strength of the plug connectors 53 is also improved.

The sleeves 43 are at least three, are uniformly arranged on the lower surface of the first disc body 41 at intervals and are uniformly arranged, so that the stress of each group of sleeves 43 and the stress of the plug connectors 53 matched with the sleeves in number and positions are more balanced, the gaps are configured, and the heat dissipation cavity can conveniently dissipate heat uniformly. As shown in the drawings, the present application adopts a scheme in which four sleeves 43 are engaged with four plug-in units 53.

As shown in fig. 8, the middle of the sleeve 43 is a jack for the plug 53 to be plugged, the end of the sleeve 43 is provided with an inclined ring surface 44 inclined towards the jack, and the sleeve 43 and the plug 53 are in interference fit. The angled annular surface 12 facilitates insertion of the plug 53 into the sleeve 43 and interference fit therewith.

Still include installing support 3, installing support 3 is used for the installation drive arrangement 6, drive arrangement 6 is the motor, installing support 3 is in corresponding the position of output shaft 61 is equipped with a section of thick bamboo support 33, upper connecting pad 4 and lower connecting pad 5 set up in section of thick bamboo support 33, section of thick bamboo support 33 is in corresponding the position of heat dissipation cavity is equipped with heat dissipation logical groove 331. The heat dissipation through groove 331 is formed in the barrel support 33, and the position of the heat dissipation through groove 331 is opposite to the position of the heat dissipation cavities of the upper connecting disc 4 and the lower connecting disc 5 which are installed in the barrel support 33, so that the shaft connection structure can better dissipate heat.

In order to facilitate the installation of the motor, the upper connecting disc 4 and the lower connecting disc 5, the installation support 3 is divided into an upper support 31 and a lower support 32, the upper support 31 and the lower support 32 are connected in a connecting mode such as a buckle, the cylinder support 33 is arranged on the upper support 31, and the motor is also fixed on the upper support 31.

As shown in fig. 3, the input shaft 11 further includes a sliding bearing 34, the sliding bearing 34 is disposed on the top of the holder 33, and the sliding bearing 34 is inserted into the holder 33 to be drivingly connected to the first transmission portion 42. The sliding bearing 34 supports the input shaft 11 for rotation so that the rotation member 1 can follow a stable rotation. The baking tray is provided with a ring surface 12 which is contacted with the sliding bearing 34 on the bottom surface. The sliding bearing 34 can provide spacing and support for the baking tray while supporting the input shaft 11 of the baking tray, and can directly support the baking tray to rotate while limiting the position of the input shaft 11 of the baking tray inserted into the barrel support 33, so that the rotation state of the baking tray is more stable, and the baking tray is prevented from shaking.

Variations and modifications to the above-described embodiments may occur to those skilled in the art based upon the disclosure and teachings of the above specification. 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. A shaft connecting structure of a cooker is characterized by comprising a driving device, a rotating piece, an upper connecting disc and a lower connecting disc, wherein the driving device is provided with an output shaft, the rotating piece is provided with an input shaft, and the upper connecting disc is integrated; the upper connecting disc comprises a first disc body and a plurality of sleeves, a first transmission part is formed on the upper surface of the first disc body and is in transmission connection with the input shaft, the sleeves are arranged at intervals, and the sleeves extend from the lower surface of the first disc body to the lower part of the first disc body; the lower connecting disc comprises a second disc body and plug connectors, a second transmission part is formed on the lower surface of the second disc body and is in transmission connection with the output shaft, the plug connectors are matched with the number and the positions of the sleeves, the plug connectors are arranged by extending the upper surface of the second disc body to the upper side of the second disc body, the plug connectors are mutually spliced with the sleeves, and a heat dissipation cavity is formed between the first disc body and the second disc body.

2. The shaft connecting structure of a cooking appliance according to claim 1, wherein the plug member is a cross-shaped plug strip, and after the plug strip is plugged with the sleeve, a gap is formed between the end of the sleeve and the second plate body, and the root of the plug strip is correspondingly positioned in the gap.

3. The shaft coupling structure of a cooker as claimed in claim 2, wherein the upper coupling is an upper coupling made of metal, the lower coupling is a lower coupling made of heat insulating plastic, and the second plate further comprises a reinforcing rib provided on an upper surface of the second plate and received in the gap.

4. The shaft connecting structure of a cooker as claimed in any one of claims 1 to 3, wherein the sleeves are provided in at least three numbers and are uniformly and spaced on the lower surface of the first plate.

5. The shaft connecting structure of a cooking appliance according to any one of claims 1 to 3, wherein the sleeve has a central portion in which the plug connector is inserted, and a distal end of the sleeve is provided with an inclined ring surface inclined toward the insertion hole, the sleeve being in interference fit with the plug connector.

6. The shaft connecting structure of a cooking appliance according to any one of claims 1 to 3, wherein the first transmission part is hollow, an outer side surface of the first transmission part is polygonal, and the input shaft is provided with a first shaft hole which is inserted into the first transmission part and is in transmission engagement with the first transmission part.

7. The shaft connecting structure of a cooking apparatus as set forth in any one of claims 1 to 3, wherein a second shaft hole having a shape matching the shape of the output shaft is provided in the second transmission part, and a bottom surface of the second shaft hole is a spherical surface which is in contact with a top surface of the output shaft.

8. The shaft connecting structure of a cooking appliance according to claim 1, further comprising a mounting bracket for mounting the driving unit, the mounting bracket being provided with a barrel bracket at a position corresponding to the output shaft, the upper connecting plate and the lower connecting plate being provided in the barrel bracket, the barrel bracket being provided with a heat dissipating through groove at a position corresponding to the heat dissipating cavity.

9. The shaft connecting structure of a cooking appliance according to claim 8, further comprising a sliding bearing provided on a top portion of the cylinder holder, wherein the input shaft is inserted into the cylinder holder from the sliding bearing to be drivingly connected to the first transmission portion.

10. The shaft connecting structure of a cooking appliance according to claim 9, wherein the rotating member is a grill pan provided at a bottom surface thereof with an annular surface which is in contact against the sliding bearing.