CN113261845A

CN113261845A - Device with cover body

Info

Publication number: CN113261845A
Application number: CN202110645310.9A
Authority: CN
Inventors: 陈伟; 刘改强; 夏鹏; 王俊; 陈礼昌; 林灵彪
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2021-06-09
Filing date: 2021-06-09
Publication date: 2021-08-17
Also published as: WO2022257441A1

Abstract

The invention relates to the technical field of domestic electric appliances, in particular to a device with a cover body, which comprises a main body structure, a cover body hinged with the main body structure through a hinge shaft, and further comprises: and the driving assembly can drive the cover body to move towards the main structure when the cover body covers the main structure. Through setting up drive assembly, when the lid closes on the major structure, drive assembly drive lid moves towards the major structure to reducible clearance between lid and the major structure makes its whole outward appearance more pleasing to the eye. In machining, even if the precision of the parts constituting the apparatus having the lid is low, the clearance between the lid and the main structure can be made small, and therefore, the precision requirement for the parts can be reduced.

Description

Device with cover body

Technical Field

The invention relates to the technical field of household appliances, in particular to a device with a cover body.

Background

In the prior art, a cooker cover and a cooker body are generally connected through a hinge shaft, and the cooker cover can be opened and closed. In order to meet the assembly error among a plurality of parts and to meet the requirement of opening and closing the cover, a clearance of about 1mm is left between the cooker cover and the cooker body.

Because the electric cooker is formed by assembling a plurality of parts, the size of the gap between the cooker cover and the cooker body can be influenced by part errors in the actual production process. When the gap is large, the appearance is affected, and when the gap is small, the normal opening and closing can not be realized. Therefore, the requirement on the precision of the parts is very high, the manufacturing difficulty of the parts is increased, the rejection rate of the parts is high, and great trouble is brought to production.

Disclosure of Invention

Therefore, the technical problem to be solved by the invention is to overcome the defects that the electric cooker in the prior art has high requirement on the precision of parts and increases the manufacturing difficulty of the parts, thereby providing a device with a cover body which can reduce the requirement on the precision of the parts.

In order to solve the above technical problem, the present invention provides an apparatus having a cover, including a main body structure, a cover hinged to the main body structure through a hinge shaft, and further including:

and the driving assembly can drive the cover body to move towards the main structure when the cover body covers the main structure.

Optionally, be equipped with first bar hole on the major structure, the extending direction of the major axis diameter in first bar hole is A with the contained angle of vertical direction, and 0 is ≤ A < 90 °, the articulated shaft is established on the lid, just the articulated shaft is worn to establish in the first bar hole, drive assembly can make the articulated shaft is in the first bar hole towards being close to the direction of major structure removes.

Optionally, the driving assembly includes a first elastic member, a first end of the first elastic member is fixed to the main body structure, a second end of the first elastic member abuts against the hinge shaft, and an elastic force of the first elastic member can drive the hinge shaft to move in the first strip-shaped hole toward a direction close to the main body structure.

Optionally, an installation part is arranged on the hinge shaft, and the second end of the first elastic part is abutted to the installation part.

Optionally, the driving assembly further includes a first push rod, a first end of the first push rod is fixedly connected to a second end of the first elastic member, and the second end of the first push rod is adapted to abut against the hinge shaft.

Optionally, the second end of the first ejector rod is provided with a U-shaped groove, and the U-shaped groove is abutted to the hinge shaft.

Optionally, the first end of the first elastic member is fixed to the side of the main body structure, and the second end of the first elastic member abuts against the hinge shaft.

Optionally, a first cylinder structure is arranged on the cover body, the driving assembly comprises a second elastic piece, a first end of the second elastic piece is fixed on the main body structure, a second end of the second elastic piece is abutted against the first cylinder structure, and elastic force of the second elastic piece enables the first cylinder structure to drive the cover body to move towards a direction close to the main body structure.

Optionally, the driving assembly further includes a second push rod, a first end of the second push rod is fixedly connected to a second end of the second elastic member, and a second end of the second push rod abuts against the first column structure.

Optionally, a second end of the second ejector rod is provided with a U-shaped groove, and the U-shaped groove is abutted to the first column structure.

Optionally, the driving assembly includes a torsion spring, and an elastic force of the torsion spring enables the hinge shaft to move in the first strip-shaped hole toward a direction close to the main body structure.

Optionally, the body of torsional spring is established on the articulated shaft, be equipped with first location structure on the major structure, the both ends of torsional spring are fixed on first location structure so that the body of torsional spring has the court and is close to the elastic force of major structure's direction.

Optionally, the first positioning structure includes two positioning slots, and the two positioning slots are used for limiting two ends of the torsion spring.

Optionally, the main part structure is provided with a second cylinder structure and a second positioning structure, the second cylinder structure is provided with the body sleeve of the torsional spring, the first end of the torsional spring is fixed on the second positioning structure, and the second end of the torsional spring is pressed on the hinged shaft.

Optionally, the driving assembly includes a magnetic structure, and the magnetic force of the magnetic structure can move the hinge shaft in the first strip-shaped hole toward the direction close to the main body structure.

Optionally, the magnetic structure comprises:

the first magnet is fixedly arranged on the main body structure and located below the hinged shaft, and the first magnet can generate suction force on the hinged shaft.

Optionally, the magnetic structure comprises:

the second magnet is fixedly arranged on the main body structure and located above the hinged shaft, at least one side of the hinged shaft, which is opposite to the second magnet, is provided with magnetism, and repulsive force is formed between the second magnet and the hinged shaft.

Optionally, be equipped with second bar hole on the lid, the articulated shaft is established in the major structure, just the articulated shaft is established in the second bar hole, drive assembly is used for the drive the lid is relative the articulated shaft is towards being close to the direction of major structure removes.

Optionally, the driving assembly includes a third elastic member, a first end of the third elastic member is connected to the hinge shaft, and a second end of the third elastic member abuts against the cover.

Optionally, the driving assembly further comprises a third ejector rod;

the first end of the third ejector rod is connected with the second end of the third elastic piece, and the second end of the third ejector rod is abutted to the cover body; or the first end of the third ejector rod is abutted against the hinge shaft, and the second end of the third ejector rod is connected with the first end of the third elastic part.

Optionally, the device with a cover is an electric rice cooker.

The technical scheme of the invention has the following advantages:

1. according to the device with the cover body, the driving assembly is arranged, and when the cover body is covered on the main body structure, the driving assembly drives the cover body to move towards the main body structure, so that the gap between the cover body and the main body structure can be reduced, and the overall appearance of the device is more attractive. In machining, even if the precision of the parts constituting the apparatus having the lid is low, the clearance between the lid and the main structure can be made small, and therefore, the precision requirement for the parts can be reduced.

Drawings

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

Fig. 1 is a front sectional view of an apparatus having a cover provided in embodiment 1 of the present invention;

FIG. 2 is an enlarged view of FIG. 1 at A;

fig. 3 is a left side sectional view of the apparatus with a cover provided in embodiment 1 of the present invention;

fig. 4 is a partially enlarged front sectional view of a device having a cover provided in embodiment 2 of the present invention;

FIG. 5 is an enlarged partial left side view cross-section of an apparatus having a cover provided in one embodiment in example 3 of the present invention;

FIG. 6 is an enlarged fragmentary view in elevation and section of an apparatus having a cover provided in an alternative embodiment of example 3 of the present invention;

fig. 7 is a partially enlarged front sectional view of a device having a cover provided in embodiment 4 of the present invention;

fig. 8 is a partially enlarged front sectional view of a device having a cover provided in embodiment 5 of the present invention;

fig. 9 is a partial cross-sectional view of a support ring of the device with a cover provided in example 5 of the present invention;

fig. 10 is a cross-sectional view of the cover of the apparatus with a cover provided in example 5 of the present invention;

FIG. 11 is an enlarged fragmentary view in elevation and section of an apparatus having a cover provided in one embodiment of example 6 of the present invention;

FIG. 12 is a schematic view of the support ring of FIG. 11 with a torsion spring;

FIG. 13 is an enlarged fragmentary view in elevation, in cross-section, of an apparatus having a cover provided in an alternative embodiment of example 6 of the present invention;

FIG. 14 is a schematic view of the support ring of FIG. 13 with a torsion spring;

FIG. 15 is an enlarged fragmentary view in elevation, in cross-section, of an apparatus having a cover provided in an alternative embodiment of example 6 of the present invention;

FIG. 16 is a schematic view of the support ring of FIG. 15 with a torsion spring;

FIG. 17 is a left side cross-sectional view of an apparatus having a cover provided in one embodiment of example 7 of the present invention;

FIG. 18 is a left side cross-sectional view of an apparatus having a cover provided in an alternative embodiment of example 7 of the present invention;

fig. 19 is a partial cross-sectional view of an apparatus having a cover provided in embodiment 8 of the present invention;

fig. 20 is a schematic structural view of the cover of fig. 19.

Description of reference numerals:

1. cooking; 2. a support ring; 3. a pot cover; 4. hinging a shaft; 5. a first elastic member; 6. a first ejector rod; 7. a first bar-shaped hole; 9. a first column structure; 10. a second elastic member; 11. a second ejector rod; 12. a third strip-shaped hole; 13. a torsion spring; 14. a first positioning slot; 15. a second cylinder structure; 16. a second positioning structure; 17. a second positioning slot; 18. a first magnet; 19. a second magnet; 20. a second bar-shaped hole; 21. and a third elastic member.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., 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 being 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 "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Example 1

Because the electric cooker is formed by assembling a plurality of parts, the size of the gap between the cooker cover and the cooker body can be influenced by part errors in the actual production process. When the gap is large, the appearance is affected, and when the gap is small, the cover cannot be opened and closed normally. Therefore, the requirement on the precision of the parts is very high, the manufacturing difficulty of the parts is increased, the rejection rate of the parts is high, and great trouble is brought to production.

Therefore, the present embodiment provides a device with a cover, which can reduce the precision requirement for the parts, and the device with a cover can be an electric cooker, an electric pressure cooker, a pressure cooker, an electric heating lunch box, an electric pressure cooker, etc. In one embodiment, as shown in fig. 1, the device with the cover comprises a body structure, a cover hinged to the body structure by means of a hinge axis 4, a drive assembly. When the device with the cover body is an electric cooker, the main body structure is a cooker body 1, and the cover body is a cooker cover 3.

The driving assembly can drive the cover body to move towards the main structure when the cover body covers the main structure.

In the present embodiment, by providing the driving unit, when the cover body is covered on the main structure, the driving unit drives the cover body to move toward the main structure, so that the gap between the cover body and the main structure can be reduced, and the overall appearance can be more beautiful. In machining, even if the precision of the parts constituting the apparatus having the lid is low, the clearance between the lid and the main structure can be made small, and therefore, the precision requirement for the parts can be reduced.

On the basis of the above embodiment, in a preferred embodiment, as shown in fig. 2 and fig. 3, the main structure is provided with a first strip-shaped hole 7, the included angle of the extension direction of the major axis diameter of the first strip-shaped hole 7 is a, 0 ° ≦ a < 90 °, the hinge shaft 4 is provided on the cover, and the hinge shaft 4 is inserted into the first strip-shaped hole 7, and the driving component can make the hinge shaft 4 move in the first strip-shaped hole 7 toward the direction close to the main structure. In this embodiment, articulated shaft 4 under drive assembly's the driving assembly order about the orientation removal that is close to the major structure can drive the lid and remove towards the orientation that is close to the major structure to reduce the clearance between lid and the major structure, the setting of first bar hole 7 can play the guide effect to articulated shaft 4's removal, float from top to bottom to the lid and dodge the effect, process first bar hole 7 simultaneously in the major structure and compare with the circular shape shaft hole of processing among the prior art, but the required precision of significantly reduced to the part.

Specifically, when A is 0 degrees, the diameter of the long axis of the first strip-shaped hole extends along the vertical direction, and when A is more than 0 degrees and less than 90 degrees, the first strip-shaped hole is obliquely arranged.

Articulated shaft 4 can fix the setting on the lid, also can set up the shaft hole on the lid, and the shape looks adaptation of shaft hole and articulated shaft 4, articulated shaft wear to establish in shaft hole and first bar hole 7.

In addition to the above embodiments, in a preferred embodiment, as shown in fig. 2, the driving assembly includes a first elastic member 5, a first end of the first elastic member 5 is fixed on the main structure, a second end of the first elastic member 5 is abutted to the hinge shaft 4, and the elastic force of the first elastic member 5 can drive the hinge shaft 4 to move in the first strip-shaped hole 7 in a direction approaching the main structure. In this embodiment, during installation, make first elastic component 5 take place elastic deformation, the elastic force of first elastic component 5 can drive articulated shaft 4 and move towards the direction of being close to the major structure in first bar hole 7, and articulated shaft 4 can drive the lid and move towards the direction of being close to the major structure at the in-process that moves to reduce the clearance between lid and the major structure, the outward appearance is pleasing to the eye, and drive assembly's simple structure, the cost is lower. The contact in the present embodiment includes direct contact and indirect contact.

On the basis of the above embodiments, in a preferred embodiment, as shown in fig. 2, the driving assembly further comprises a first push rod 6, a first end of the first push rod 6 is connected with a second end of the first elastic member 5, and a second end of the first push rod 6 is adapted to abut against the hinge shaft 4. In this embodiment, during installation, the first elastic member 5 is elastically deformed, the elastic force of the first elastic member 5 can drive the first push rod 6 to move towards the direction close to the main structure, and the first push rod 6 drives the cover body to move towards the direction close to the main structure in the process of moving towards the direction close to the main structure, so as to reduce the gap between the cover body and the main structure.

In addition to the above embodiments, in a preferred embodiment, further referring to fig. 2, the second end of the first push rod 6 is provided with a U-shaped groove, and the U-shaped groove abuts against the hinge shaft 4. In this embodiment, the provision of the U-shaped groove facilitates the first push rod 6 to abut against the hinge shaft 4 and to apply pressure to the hinge shaft 4. In other alternative embodiments, no U-shaped groove may be provided, and the second end of the first push rod 6 abuts against the hinge shaft 4.

In addition to the above embodiments, in a preferred embodiment, the first elastic member 5 is a spring, a first end of the first elastic member 5 is fixed to the main structure and positioned above the hinge shaft 4, and a second end of the first elastic member 5 abuts against the hinge shaft 4. The length of the first elastic member 5 extends in a vertical direction, and is vertically disposed above the hinge shaft 4.

In a preferred embodiment, the device having the lid is an electric cooker. In the present embodiment, the main body structure is a pot body structure of an electric rice cooker, and the lid body is a pot lid 3 of the electric rice cooker. The cooker body structure comprises a cooker body 1 and a support ring 2 for supporting the cooker body, and the driving assembly is arranged in the support ring 2.

In this embodiment, a kind of deep pot lid 3 and a kind of deep pot body 1 are closing the lid in-process, and first elastic component 5 and first ejector pin 6 down push up articulated shaft 4, and articulated shaft 4 drives a kind of deep pot lid 3 and down sinks, has realized a kind of deep pot lid 3 and a kind of deep pot body 1 zero clearance of assembly, has reduced the requirement of product to the spare part precision simultaneously.

Example 2

The present embodiment differs from the above-described embodiments in that the first jack 6 is not provided and the first elastic member 5 is directly connected in abutment with the hinge shaft 4. In this embodiment, during installation, make first elastic component 5 take place elastic deformation, the elastic force of first elastic component 5 can drive articulated shaft 4 and move towards the direction of being close to the major structure in first bar hole 7, and articulated shaft 4 can drive the lid and move towards the direction of being close to the major structure at the in-process that moves to reduce the clearance between lid and the major structure, the outward appearance is pleasing to the eye, drive assembly's simple structure, and the cost is lower.

In one embodiment, when the device with a cover is an electric rice cooker, as shown in fig. 4, the first end of the first elastic member 5 is fixed on the support ring 2 and is located above the hinge shaft 4, and the second end of the first elastic member 5 is pressed against the hinge shaft 4. In this embodiment, the first elastic member 5 pushes down the hinge shaft 4, and the hinge shaft 4 drives the pot cover 3 to sink, so that the pot cover 3 and the pot body 1 are assembled with a zero clearance.

In one embodiment, in order to facilitate the first elastic member 5 to abut against the hinge shaft 4, as shown in fig. 4, the hinge shaft is provided with a mounting portion, and the second end of the first elastic member 5 abuts against the mounting portion.

In one embodiment, the mounting portion is a stepped surface provided at the end of the hinge shaft 4, and the second end of the first elastic member 5 abuts against the stepped surface. In other alternative embodiments, the mounting portion is a groove provided on the hinge shaft 4, and the second end of the first elastic member 5 is pressed against the groove.

In particular, in one embodiment, the first elastic member 5 is a spring. In this embodiment, the hinge shaft 4 is pushed down by the spring, and the hinge shaft 4 drives the pot cover 3 to sink, so that zero clearance in the assembly of the pot cover 3 and the pot body 1 is realized.

Example 3

The present embodiment is different from

embodiments

1 and 2 in that the first elastic member 5 is silicone rubber.

In one embodiment, a first end of the silicone rubber is fixed on the main structure, a second end of the silicone rubber is connected with a second end of the first push rod 6, and the second end of the first push rod 6 is abutted with the hinge shaft 4. When the device with the cover body is an electric cooker, as shown in fig. 5, the first end of the silica gel is fixed on the support ring 2 and is located above the hinge shaft 4, the second end of the silica gel is connected with the first end of the first push rod 6, and the second end of the first push rod 6 is abutted to the hinge shaft 4. In this embodiment, under the silica gel effect, first ejector pin 6 is with articulated shaft 4 down the top, and articulated shaft 4 drives a kind of deep pot lid 3 and down sinks, has realized a kind of deep pot lid 3 and a kind of deep pot body 1 zero clearance of assembly.

In an alternative embodiment, the first plunger 6 is not provided, the first end of the silicone rubber is fixed to the main structure, and the second end of the silicone rubber directly abuts against the hinge shaft 4. When the device with the cover body is an electric cooker, as shown in fig. 6, the first end of the silica gel is fixed on the support ring 2 and is located above the hinge shaft 4, and the second end of the silica gel is directly abutted against the hinge shaft 4. In this embodiment, be equipped with the installation department on articulated shaft 4 for the second end and the articulated shaft 4 butt of silica gel, the second end and the installation department butt of silica gel, specifically, the installation department is the recess, and the second end of silica gel supports and presses in the recess. In this embodiment, silica gel pushes down articulated shaft 4, and articulated shaft 4 drives a kind of deep pot lid 3 and down sinks, has realized a kind of deep pot lid 3 and a kind of deep pot body 1 zero clearance of assembly.

Example 4

The present embodiment is different from embodiment 1 in that a first end of the first elastic member 5 is fixed to a side portion of the body structure, and a second end of the first elastic member 5 abuts against the hinge shaft 4.

Specifically, the first elastic member 5 is a spring or a spring block.

In one embodiment, when the device having the cover is an electric rice cooker, as shown in fig. 7, a first end of the elastic piece is fixed to a side portion of the support ring 2, and a second end of the elastic piece directly abuts against the hinge shaft 4. In this embodiment, the hinge shaft 4 is pushed down by the elastic sheet, and the hinge shaft 4 drives the pot cover 3 to sink, so that the pot cover 3 and the pot body 1 are assembled in a zero clearance.

The elastic sheet can be a plastic elastic pressing sheet.

In an alternative embodiment, the device with a cover may also include a first push rod 6, a first end of the elastic sheet is fixed on the top of the support ring 2, a second end of the elastic sheet is fixedly connected with the first end of the first push rod 6, and a second end of the first push rod 6 abuts against the hinge shaft 4. In this embodiment, under the shell fragment effect, first ejector pin 6 is with articulated shaft 4 down top, and articulated shaft 4 drives a kind of deep pot lid 3 down to sink, has realized a kind of deep pot lid 3 and a kind of deep pot body 1 zero clearance of assembly.

Example 5

The difference between this embodiment and embodiment 1 is that, in an embodiment, as shown in fig. 8 and fig. 10, a first column structure 9 is disposed on the cover, the driving assembly includes a second elastic member 10, a first end of the second elastic member 10 is fixed on the main structure, a second end of the second elastic member 10 abuts against the first column structure 9, and an elastic force of the second elastic member 10 can enable the first column structure 9 to drive the cover to move toward a direction close to the main structure. In this embodiment, when the cover body covers the main body structure, the elastic force of the second elastic member 10 pushes the first cylinder structure 9 toward the direction close to the main body structure, the first cylinder structure 9 drives the cover body to move toward the direction close to the main body structure, and the cover body drives the hinge shaft 4 to move toward the direction close to the main body structure in the first strip-shaped hole 7 during the moving process, so as to realize zero clearance in the assembly of the main body structure and the cover body.

In a preferred embodiment, the first cylindrical structure 9 is parallel to the hinge axis 4.

On the basis of the above embodiments, in a preferred embodiment, as shown in fig. 8, the driving assembly further includes a second ram 11, a first end of the second ram 11 is connected to a second end of the second elastic member 10, and a second end of the second ram 11 abuts against the first column structure 9. In this embodiment, when the cover body covers the main structure, under the action of the elastic force of the second elastic member 10, the second ejector rod 11 pushes the first cylinder structure 9 toward the direction close to the main structure, the first cylinder structure 9 drives the cover body to move toward the direction close to the main structure, and the cover body drives the hinge shaft 4 to move toward the direction close to the main structure in the first strip-shaped hole 7 during the moving process, so as to realize zero clearance in the assembly of the main structure and the cover body.

In one embodiment, the device with the cover is an electric rice cooker, the driving assembly is disposed on the second support ring 2, the first end of the second elastic member 10 is fixed on the support ring 2 and located above the first cylindrical structure 9, the second end of the second elastic member 10 abuts against the first end of the second push rod 11, and the second end of the second push rod 11 abuts against the first cylindrical structure 9. As shown in fig. 9, the first cylinder structure 9 penetrates through the support ring 2, so that a third strip-shaped hole 12 is further formed in the support ring 2, the pot cover 3 and the pot body 1 are in the cover closing process, the first cylinder structure 9 is pushed downwards by the second elastic part 10 and the second ejector rod 11, the pot cover 3 drives the hinge shaft 4 to sink downwards, zero assembly clearance between the pot cover 3 and the pot body 1 is realized, and requirements of products on the precision of parts are reduced.

In addition to the above embodiments, in a preferred embodiment, the second end of the second push rod 11 is provided with a U-shaped groove, and the U-shaped groove abuts against the first column structure 9. In this embodiment, the provision of the U-shaped groove facilitates the abutment of the second ram 11 with the first column structure 9, thereby applying pressure to the first column structure 9. In other alternative embodiments, no U-shaped groove may be provided, and the second end of the second ram 11 abuts against the first cylinder structure 9.

In addition to the above embodiments, in a preferred embodiment, the second elastic member 10 is a spring. In other alternative embodiments, the second elastic member 10 is a silicone or a spring sheet.

Example 6

The present embodiment is different from embodiment 1 in that, in one embodiment, the driving assembly includes a torsion spring 13, and the hinge shaft 4 can be moved in the first strip-shaped hole 7 toward the main body structure by the elastic force of the torsion spring 13.

In this embodiment, the hinge shaft 4 is pushed downwards by the elastic force of the torsion spring 13, and the hinge shaft 4 drives the cover body to move towards the direction close to the main structure in the moving process, so that the assembly zero clearance between the main structure and the cover body is realized, and the precision requirement on parts can be reduced.

On the basis of the above embodiments, in a preferred embodiment, as shown in fig. 11 and 13, the body of the torsion spring 13 is disposed on the hinge shaft 4, the main structure is provided with a first positioning structure, and both ends of the torsion spring 13 are fixed on the first positioning structure so that the middle portion of the torsion spring 13 has an elastic force in a direction approaching the main structure. The body of the torsion spring 13 refers to a plurality of coils of the torsion spring 13. In an embodiment, the device with a cover is an electric rice cooker, the first positioning structure is arranged on the support ring 2, in this embodiment, the torsion spring 13 pushes the hinge shaft 4 downwards, the hinge shaft 4 drives the pot cover 3 to sink, and zero clearance for assembling the pot cover 3 and the pot body 1 is realized.

In a preferred embodiment, the first positioning structure comprises two positioning notches for defining both ends of the torsion spring 13.

In one embodiment, as shown in fig. 12, the first locator form includes two first locator card slots 14, the two first locator card slots 14 being located at a uniform height. In an alternative embodiment, as shown in fig. 13 and 14, the first locator form includes two second locator card slots 17, wherein one second locator card slot 17 is at a higher elevation than the other second locator card slot 17.

In an alternative embodiment, as shown in fig. 15 and 16, a second cylinder structure 15 and a second positioning structure 16 are provided on the main structure, the body of the torsion spring 13 is sleeved on the second cylinder structure 15, a first end of the torsion spring 13 is fixed on the second positioning structure 16, and a second end of the torsion spring 13 is pressed on the hinge shaft 4. In an embodiment, the device with the cover is an electric rice cooker, the second column structure 15 and the second positioning structure 16 are arranged on the support ring 2, in this embodiment, the hinge shaft 4 is pushed downwards by the torsion spring 13, the hinge shaft 4 drives the pot cover 3 to sink, and the zero clearance of the assembly of the pot cover 3 and the pot body 1 is realized.

Preferably, the second cylindrical structure 15 is parallel to the hinge axis 4.

Specifically, the second positioning structure 16 is a third positioning slot.

Example 7

The present embodiment is different from embodiment 1 in that the driving assembly includes a magnetic structure, and the magnetic force of the magnetic structure can move the hinge shaft 4 in the first strip-shaped hole 7 toward the direction close to the main body structure.

This embodiment is through setting up magnetic structure, makes articulated shaft 4 remove towards the direction that is close to the major structure in first bar hole 7, and articulated shaft 4 drives the lid and down sinks towards the in-process that removes towards the direction that is close to the major structure, has realized the zero clearance of assembly of major structure and lid.

In one embodiment, as shown in fig. 17, the magnetic structure comprises a first magnet 18, the first magnet 18 is fixedly arranged on the main body structure and is positioned below the hinge shaft 4, and the first magnet 18 can generate attraction force on the hinge shaft 4. In this embodiment, the hinge shaft 4 is made of a magnetically adsorbing material, such as iron, cobalt, nickel, or the like. When the device that has the lid is electric rice cooker, first magnet 18 is fixed on support ring 2, and first magnet 18 is down drawn articulated shaft 4 to articulated shaft 4's suction, and articulated shaft 4 drives a kind of deep pot lid 3 and down sinks, has realized the zero clearance of assembly of a kind of deep pot lid 3 and a kind of deep pot body 1.

In an alternative embodiment, as shown in fig. 18, the magnetic structure comprises a second magnet 19 fixedly disposed on the main body structure and located above the hinge shaft 4, at least one side of the hinge shaft 4 opposite to the second magnet 19 has magnetism, and forms a repulsive force with the second magnet 19. In this embodiment, a magnet is provided on the side of the hinge shaft 4 opposite to the second magnet 19 or the entire hinge shaft 4 is a magnet. When the device that has the lid is electric rice cooker, second magnet 19 is fixed on support ring 2, and second magnet 19 is to the repulsion of articulated shaft 4 with articulated shaft 4 down-draw, articulated shaft 4 drive a kind of deep pot lid 3 down, has realized a kind of deep pot lid 3 and the zero clearance of assembly of a kind of deep pot body 1.

In another alternative embodiment, the magnetic structure comprises a magnetic material disposed on the cover and a magnetic material disposed on the main structure, and the hinge shaft 4 is made of a non-magnetic material, so that a suction force is generated between the main structure and the cover, and the cover drives the hinge shaft 4 to sink, thereby achieving zero assembly clearance between the main structure and the cover.

Example 9

The present embodiment differs from embodiment 1 in that, in one embodiment, as shown in fig. 19 and 20, the lid is provided with a second elongated hole 20, the hinge shaft 4 is provided on the main structure, the hinge shaft 4 is inserted into the second elongated hole 20, and the driving assembly is configured to drive the lid to move in a direction approaching the main structure relative to the hinge shaft 4. In this embodiment, the position of the hinge shaft 4 is fixed differently, and the driving assembly drives the cover body to move towards the direction close to the main structure, so that zero clearance is realized for assembling the cover body and the main structure.

In addition to the above embodiments, in a preferred embodiment, as shown in fig. 19, the driving assembly includes a third elastic member 21, a first end of the third elastic member 21 is connected to the hinge shaft 4, and a second end of the third elastic member 21 abuts against the cover. In this embodiment, the elastic force of the third elastic member 21 drives the cover body to sink, so as to realize zero assembly gap between the cover body and the main body structure. When the device with the cover body is an electric cooker, the second strip-shaped hole 20 is an articulated shaft hole on the cooker cover 3, and the elastic force of the third elastic piece 21 drives the cooker cover 3 to sink, so that the zero clearance of the assembly of the cooker cover 3 and the cooker body 1 is realized.

On the basis of the above embodiment, in a preferred embodiment, the driving assembly further comprises a third ejector rod; the first end of the third ejector rod is connected with the second end of the third elastic part 21, and the second end of the third ejector rod is abutted with the cover body; or, the first end of the third push rod is abutted against the hinge shaft 4, and the second end of the third push rod is connected with the first end of the third elastic member 21. In this embodiment, the third elastic member 21 and the third push rod drive the cover body to sink, so as to realize zero assembly clearance between the cover body and the main body structure. When the device with the cover body is an electric cooker, the second strip-shaped hole 20 is formed in the tail of the cooker cover 3, the third elastic piece 21 and the third ejector rod drive the cooker cover 3 to sink, and the zero clearance in assembly of the cooker cover 3 and the cooker body 1 is realized.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims

1. Device with cover, comprising a main structure, a cover hinged to the main structure by means of a hinge axis (4), characterized in that it further comprises:

2. Device with cover according to claim 1, characterized in that said main structure is provided with a first strip-shaped hole (7), the extension direction of the major axis diameter of said first strip-shaped hole (7) has an angle a with the vertical direction of 0 ° or more and less than 90 °, said hinge axis (4) is provided on said cover, and said hinge axis (4) is inserted in said first strip-shaped hole (7), said driving assembly is capable of moving said hinge axis (4) in said first strip-shaped hole (7) towards the direction close to said main structure.

3. Device with cover according to claim 2, characterized in that said actuation assembly comprises a first elastic element (5), a first end of said first elastic element (5) being fixed to said main structure, a second end of said first elastic element (5) being in abutment with said hinge axis (4), the elastic force of said first elastic element (5) being able to actuate the movement of said hinge axis (4) in said first elongated hole (7) towards the direction of approach to said main structure.

4. Device with cover according to claim 3, characterized in that the hinge axis (4) is provided with a mounting portion against which the second end of the first elastic element (5) abuts.

5. Device with cover according to claim 3, characterized in that said driving assembly further comprises a first push rod (6), a first end of said first push rod (6) being connected to a second end of said first elastic element (5), a second end of said first push rod (6) being adapted to abut against said hinging axis (4).

6. Device with cover according to claim 5, characterized in that the second end of the first ejector pin (6) is provided with a U-shaped groove, which abuts against the hinge axis (4).

7. Device with cover according to any of claims 3-6, characterized in that a first end of said first elastic element is fixed to the side of said main structure and a second end of said first elastic element is in abutment with said hinge axis (4).

8. The device with the cover as claimed in claim 2, wherein a first cylinder structure (9) is provided on the cover, the driving assembly comprises a second elastic member (10), a first end of the second elastic member (10) is fixed on the main structure, a second end of the second elastic member (10) abuts against the first cylinder structure (9), and the elastic force of the second elastic member (10) can enable the first cylinder structure (9) to drive the cover to move towards the main structure.

9. The apparatus with cover according to claim 8, wherein the driving assembly further comprises a second push rod (11), a first end of the second push rod (11) is fixedly connected with a second end of the second elastic member (10), and a second end of the second push rod (11) abuts against the first column structure (9).

10. Device with cover according to claim 9, characterized in that the second end of the second ejector pin (11) is provided with a U-shaped groove, which abuts the first cylindrical structure (9).

11. Device with cover according to claim 2, characterized in that said driving assembly comprises a torsion spring (13), the elastic force of said torsion spring (13) being able to move said hinging axis (4) in said first strip-shaped hole (7) towards the direction approaching said main structure.

12. The device with a cover according to claim 11, wherein the body of the torsion spring (13) is provided on the hinge shaft (4), the main structure is provided with a first positioning structure, and both ends of the torsion spring (13) are fixed on the first positioning structure so that the body of the torsion spring (13) has an elastic force in a direction approaching the main structure.

13. Device with cover according to claim 12, characterized in that said first positioning structure comprises two positioning notches for defining the two ends of said torsion spring (13).

14. The device with a cover body according to claim 11, wherein a second cylinder structure (15) and a second positioning structure (16) are arranged on the main structure, the body of the torsion spring (13) is sleeved on the second cylinder structure (15), the first end of the torsion spring (13) is fixed on the second positioning structure (16), and the second end of the torsion spring (13) is pressed on the hinge shaft (4).

15. Device with cover according to claim 2, characterized in that said actuation assembly comprises a magnetic structure whose magnetic force enables said hinge axis (4) to move in said first strip-shaped hole (7) towards the approach of said main structure.

16. The device with a cover as claimed in claim 15, wherein the magnetic structure comprises:

the first magnet (18) is fixedly arranged on the main body structure and located below the hinged shaft (4), and the first magnet (18) can generate suction force on the hinged shaft (4).

17. The device with a cover as claimed in claim 15, wherein the magnetic structure comprises:

and the second magnet (19) is fixedly arranged on the main body structure and positioned above the hinged shaft (4), at least one side of the hinged shaft (4) opposite to the second magnet (19) has magnetism, and a repulsive force is formed between the hinged shaft and the second magnet (19).

18. The device with cover according to claim 1, characterized in that the cover is provided with a second strip-shaped hole (20), the hinge shaft (4) is provided on the main structure, the hinge shaft (4) is inserted into the second strip-shaped hole (20), and the driving component is used for driving the cover to move towards the direction close to the main structure relative to the hinge shaft (4).

19. Device with cover according to claim 18, characterized in that said actuation assembly comprises a third elastic element (21), a first end of said third elastic element (21) being connected to said hinge axis (4) and a second end of said third elastic element (21) being in abutment with said cover.

20. The apparatus having a cover of claim 19, wherein the drive assembly further comprises a third ram;

the first end of the third ejector rod is connected with the second end of the third elastic piece (21), and the second end of the third ejector rod is abutted against the cover body; or the first end of the third ejector rod is abutted against the hinge shaft (4), and the second end of the third ejector rod is connected with the first end of the third elastic piece (21).

21. The device with a cover as claimed in any one of claims 1 to 6 and 8 to 10, wherein the device with a cover is an electric cooker.