CN203168846U - Electric pressure cooker with detachable inner cover - Google Patents

Abstract

The utility model discloses an electric pressure cooker with a detachable inner cover, which solves the technical problems of complex structure and inconvenient cleaning of the existing electric pressure cooker cover. The electric pressure cooker of the utility model includes a pot body, a pot cover and an inner pot. Hinged on the pot body, the inner pot is accommodated in the pot body, the pot cover includes an outer cover and an inner cover, and the inner cover can be rotated and buckled or separated from the inner pot. Connected by a rotating shaft, the inner cover is detachably mounted on the rotating shaft and can rotate together with the rotating shaft, the outer cover is provided with a cover handle, and a transmission mechanism is provided between the cover handle and the rotating shaft, and the cover handle passes through the transmission The mechanism drives the rotating shaft to rotate the inner cover. The embodiment of the utility model is used for electric cooking appliances, such as electric pressure cooker, electric rice cooker and similar products.

Description

Electric pressure cooker with detachable inner lid

【Technical field】

The utility model relates to an electric pressure cooker, in particular to an electric pressure cooker with a detachable inner cover.

【Background technique】

Existing electric pressure cookers, especially one-piece electric pressure cookers, include an outer cover and a pot body, the outer cover is hingedly connected to the pot body through a hinge, and the outer cover can rotate around the hinge to open and close the cover. The electric pressure cooker has an inner cover that can seal the inner pot. The inner cover is generally divided into two types: removable and washable and non-removable. For the removable and washable inner cover, there is a mounting hole in the center of the inner cover, and a mounting post is provided on the outer cover. , the mounting column passes through the mounting hole of the inner cover, and then the inner cover is fixed on the mounting column by a nut. When disassembling the inner cover, the inner cover can be removed only by unscrewing the nut. The inner cover of this structure cannot be rotated by itself. A metal lock ring needs to be added to the outer cover. The lock ring is not detachable. There are three cylinders on the lock ring inserted into the arc grooves on the outer cover. Screws and washers are used on the cylinder to fix the lock ring. On the outer cover, a connecting rod is arranged on one of the cylinders, which is connected with the cover handle shaft on the outer cover. When the cover handle is turned, the locking ring is driven to rotate through the connecting rod, and the locking ring and the inner pot respectively have corresponding The locking teeth, the locking ring and the inner pot are rotated and fastened or separated, and the addition of the locking ring makes the structure of the pot lid more complex, with more assembly processes and higher product costs. For the non-removable inner cover, there are three cylinders on the inner cover inserted into the arc groove on the outer cover, screws and washers are used on the cylinders to fix the inner cover on the outer cover, one of the cylinders A connecting rod is arranged on the top, which is connected with the rotating shaft of the lid handle. When the lid handle is turned, the inner lid is driven to rotate through the connecting rod. The non-removable and washable inner cover is inconvenient to clean, which brings inconvenience to users.

【Content of invention】

The problem to be solved by the utility model is to provide an electric pressure cooker with a detachable inner cover, which has the characteristics of simple structure, convenient assembly and low production cost.

In order to solve the above technical problems, the utility model adopts the following technical scheme: an electric pressure cooker with a detachable inner cover, including a pot body, a pot cover and an inner pot, the pot cover is hinged on the pot body, and the inner pot is accommodated in the pot In the body, the pot cover includes an outer cover and an inner cover, the inner cover can be rotated and fastened or separated from the inner pot, the outer cover and the inner cover are connected by a rotating shaft, and the inner cover is detachably mounted on the rotating shaft and can rotate together with the rotating shaft, the outer cover is provided with a cover handle, and a transmission mechanism is provided between the cover handle and the rotating shaft, and the cover handle drives the rotating shaft to rotate the inner cover through the transmission mechanism.

Further, the transmission mechanism includes a rotating seat and a transmission rod, the rotating seat is connected to the cover handle, one end of the transmission rod is connected to the rotating shaft, and the other end is connected to the rotating seat, the cover handle drives the rotating seat to rotate, and the rotating seat is driven by the transmission rod The shaft spins.

Further, a through hole is provided at the position where the cover handle is installed on the outer cover, and the rotating seat is connected to the cover handle through the through hole.

Further, a shifting block is provided on the transmission rod, and a sliding slot is provided on the rotating base, and the shifting block is embedded in the sliding slot and can slide along the sliding slot; or a sliding slot is provided on the transmission rod, and the rotating A shifting block is arranged on the seat, and the shifting block is embedded in the chute and can slide along the chute.

Further, the upper end of the rotating shaft is provided with a positioning step, and the outer cover is provided with a mounting hole through which the rotating shaft is connected to the inner cover. The positioning step is connected to the transmission rod through a floating connection structure, and the rotating shaft can be moved up and down. float.

Further, the floating connection structure includes a connecting ring arranged on the transmission rod, the inner surface of the connecting ring is provided with ribs, the outer surface of the positioning step is provided with grooves, and the ribs are embedded in the grooves; or the The floating connection structure includes a connecting ring arranged on the transmission rod, the inner surface of the connecting ring is provided with grooves, and the outer surface of the positioning step is provided with ribs, and the ribs are embedded in the grooves.

Further, a cover plate is provided inside the outer cover, and the cover plate is fixed above the rotating shaft, and a return spring is provided between the cover plate and the rotating shaft.

Further, the cover plate is provided with a guide column, the return spring is sleeved on the guide column, the rotating shaft is provided with a guide groove, and the guide column is inserted into the guide groove.

Further, the inner cover is fixed on the rotating shaft through a lock nut.

Further, the inner cover is provided with a float valve installation hole and/or an exhaust hole.

The beneficial effects of the utility model:

In the electric pressure cooker of the utility model, the outer cover and the inner cover of the pot cover are connected by a rotating shaft, the inner cover is detachably mounted on the rotating shaft and can rotate together with the rotating shaft, and the outer cover is provided with a cover handle at a position deviated from the middle , There is a transmission mechanism between the cover handle and the rotating shaft, the cover handle drives the rotating shaft to rotate the inner cover through the transmission mechanism, the user saves more effort when rotating the cover handle, and the operation of opening the cover is convenient.

In the electric pressure cooker of the utility model, the inner cover can be rotated and fastened or separated from the inner pot, and the lock ring in the existing product is omitted, and the structure of the pot cover becomes simple, which makes the product assembly more convenient, with lower cost and low cost. The low cost realizes the design of high-end products; in addition, because the inner cover is detachably installed on the shaft, the inner cover can be easily removed for cleaning, which brings convenience to users.

These features and advantages of the present utility model will be disclosed in detail in the following specific embodiments and accompanying drawings.

【Description of drawings】

Below in conjunction with accompanying drawing, the utility model is further described:

Fig. 1 is the overall structural representation of electric pressure cooker of the present utility model;

Fig. 2 is a transmission schematic diagram between the handle of the electric pressure cooker cover and the rotating shaft of the utility model;

Fig. 3 is the preferred structural schematic diagram of rotating shaft;

Fig. 4 is the preferred structural representation of transmission rod;

Fig. 5 is another preferred structural schematic diagram of the rotating shaft;

Fig. 6 is another preferred structural schematic diagram of the transmission rod;

Fig. 7 is the structural representation of cover plate;

Fig. 8 is a structural schematic diagram of a rotating seat;

Fig. 9 is a schematic structural view of the inner cover.

【Detailed ways】

The utility model proposes an electric pressure cooker with a detachable inner cover, which includes a pot body, a pot cover and an inner pot. The pot cover is hinged on the pot body, and the inner pot is accommodated in the pot body. The cover can be rotated and fastened with the inner pot or separated. The outer cover and the inner cover are connected by a rotating shaft. The inner cover is detachably mounted on the rotating shaft and can rotate together with the rotating shaft. There is a cover handle on the outer cover. A transmission mechanism is arranged between the rotating shafts, and the cover handle drives the rotating shaft to rotate the inner cover through the transmission mechanism. Compared with the prior art, the electric pressure cooker of the utility model eliminates the lock ring structure, and the lid structure becomes simple, which makes the product assembly more convenient and lower in cost, and the inner lid can be disassembled as needed, bringing convenience to the user. Come conveniently.

The technical solutions of the embodiments of the present invention are explained and described below in conjunction with the accompanying drawings of the embodiments of the present invention, but the following embodiments are only preferred embodiments of the present invention, not all of them. Based on the examples in the implementation manners, other examples obtained by those skilled in the art without making creative efforts all belong to the protection scope of the present utility model.

The electric pressure cooker of this embodiment belongs to the one-piece electric pressure cooker, and the pot cover is hinged on the pot body through the hinge part. After the electric pressure cooker is opened, the pot cover can still be connected to the pot body, which solves the problem of placing the pot cover. It is more convenient to use, but considering the cleaning of the pot cover, an inner cover is generally provided inside the pot cover. This embodiment mainly improves this one-piece electric pressure cooker.

Specific embodiment: Referring to Figures 1 and 2, an electric pressure cooker with a detachable inner cover includes a pot body 1, a pot cover and an inner pot 10, the pot cover is hinged on the pot body 1, and the inner pot 10 is accommodated in the pot body 1 , the pot cover includes an outer cover 2 and an inner cover 3, the inner cover 3 can be rotated and fastened or separated from the inner pot 10, the outer cover 2 and the inner cover 3 are connected by a rotating shaft 5, and the inner cover 3 is detachably mounted on the rotating shaft 5 and can rotate together with the rotating shaft 5, the outer cover 2 is provided with a cover handle 4, and a transmission mechanism is arranged between the cover handle 4 and the rotating shaft 5, and the cover handle 4 drives the rotating shaft 5 to rotate the inner cover 3 through the transmission mechanism.

The transmission mechanism includes a rotating base 6 and a transmission rod 7. The rotating base 6 is connected to the cover handle 4. One end of the transmission rod 7 is connected to the rotating shaft 5, and the other end is connected to the rotating base 6. The cover handle 4 drives the rotating base 6 to rotate, and the rotating base 6 passes through the transmission rod. 7 drives the rotating shaft 5 to rotate. The periphery of the inner cover 3 in this embodiment has several lid teeth 31, and the periphery of the inner pot 10 has several pot teeth 101. After the inner lid 3 is rotated, it can be fastened or separated from the inner pot 10. Of course, as a pressure cooker, the inner pot 10 A sealing ring 12 is usually provided between the inner cover 3 to ensure the sealing.

After the transmission mechanism is installed, the position where the cover handle 4 is installed on the outer cover 2 will deviate from the center of the pot cover. This is relative to the rotating shaft 5. The fastening or separation of the inner cover 3 and the inner pot 10 is all done by the cover handle. The rotation operation of 4 is realized by driving the rotation of the transmission mechanism, and this process has a relatively suitable torque to drive the rotating shaft 5 to rotate, and the user saves more effort when operating the cover handle 4 .

The position where the cover handle 4 is installed on the outer cover 2 is provided with a through hole 20, and the rotating base 6 is connected to the cover handle 4 after passing through the through hole 20. The rotating base 6 can rotate freely in the through hole 20, and the rotating base 6 and the cover handle 4 Further fixed by screws 42; in order to reliably realize the transmission between the two, the upper end of the rotating seat 6 is provided with a boss 61, and the cover handle 4 is provided with a ring surrounded by ribs 41 and matched with the shape of the boss 61. Assembling grooves, bosses 61 and fitting grooves are non-circular fits, such as squares, D-shaped, etc.; in addition, the outer wall of the rotating seat 6 is provided with limiting ribs 62 along the circumferential direction. When the rotating seat 6 is installed, the limiting ribs 62 leans against the inner side of the outer cover 2.

Referring to Fig. 2, 4, 8, the swivel seat 6 is used as the active part, and the transmission rod 7 is the driven part. In order to prevent the transmission mechanism from appearing at a dead point, a shift block 71 is provided at one end of the transmission rod 7, and a sliding block 71 is provided on the swivel seat 6. Groove 63, shifting block 71 is embedded in the chute 63, when rotating base 6 rotates, shifting block 71 can slide in the chute 63 while driving transmission rod 7 to swing by shifting block 71. As a simple conversion: it is also possible that the transmission rod is provided with a chute, and the swivel seat is provided with a shifting block, and the shifting block can slide along the chute after being embedded in the chute.

2, 3, 4, the upper end of the rotating shaft 5 is provided with a positioning step 51, the outer cover 2 is provided with a mounting hole 21, the rotating shaft 5 passes through the mounting hole 21 and is connected with the inner cover 3, and the rotating shaft 5 can freely rotate in the mounting hole 21 , the positioning step 51 is connected with the transmission rod 7 through a floating connection structure, and the rotating shaft 5 can float up and down, thereby eliminating the pressure brought by the floating of the inner cover 3 to the outer cover 2 and preventing the outer cover 2 from being damaged by the inner cover 3 . The floating connection structure includes a connecting ring 72 arranged on the transmission rod 7. The inner surface of the connecting ring 72 is provided with a rib 721, and the outer surface of the positioning step 51 is provided with a groove 511, and the rib 721 is embedded in the groove 511. Generally, the rib and the The number of grooves is matched; like this, when the transmission rod 7 swings, the rotating shaft 5 can be driven to rotate through the above-mentioned floating connection structure, and the rotating shaft 5 can float up and down relative to the outer cover 2 . Referring to Figures 5 and 6, as a simple transformation: the inner surface of the connecting ring 72 may also be provided with a groove 722, and the outer surface of the positioning step 51 may be provided with a rib 512, and the rib 512 may be embedded in the groove 722.

Referring to Figures 2 and 7, a cover plate 8 is arranged inside the outer cover 2, and the cover plate 8 is fixed above the rotating shaft 5. During specific implementation, an outwardly extending connecting piece 80 is provided on the cover plate 8, and the connecting piece 80 is connected to the outer cover 8. The cover 2 is connected by screws, and the cover plate 8 can cover the connecting ring 72 of the rotating shaft 5 and the transmission rod 7 at the same time, preventing the connecting ring 72 from being separated from the positioning step 51 of the rotating shaft 5, and also making the transmission reliability of the entire transmission mechanism better .

A return spring 81 is provided between the cover plate 8 and the rotating shaft 5 , and the elastic force of the returning spring 81 drives the rotating shaft 5 to float down until the positioning step 51 of the rotating shaft 5 abuts against the inner surface of the outer cover 2 . Through the action of the return spring 81, the up and down floating of the rotating shaft 5 is relatively stable, and the reset is reliable, so that the inner cover 3 and the inner pot 10 are always in a better cooperation state, the inclination and shaking of the inner cover are small, and the lid teeth and inner pot 10 are in a good fit state. It is also not easy to interfere between the teeth of the pot, which will affect the normal opening and closing of the lid and improve the smoothness of opening and closing the lid.

In order to further improve the stability of the up and down floating of the rotating shaft 5, a cylindrical guide post 82 can also be set on the cover plate 8, and the return spring 81 is sleeved on the guide post 82. The rotating shaft 5 is provided with a guide groove 53, and the guide post 82 Insert it into the guide groove 53. Relative rotation can be generated between the guide column 82 and the rotating shaft 5 .

3 and 9, the center of the inner cover 3 is a non-circular through hole 30, the lower end of the rotating shaft 5 has a non-circular connection section 52, and the connection section 52 is threaded. When assembling the inner cover 3, the connecting section 52 passes through the through hole 30 of the inner cover 3, and then the locking nut 31 is screwed on the connecting section 52 to fix the inner cover 3. The through hole 30 and the rotating shaft 5 should be sealed reliably. Prevent air leakage; when disassembling the inner cover 3, only need to unscrew the locking nut 31 and get final product. But fixing the inner cover 3 by the locking nut 31 is only the preferred way. In the prior art, there are also other structures to fix the inner cover, such as lock buckles, which can also realize the detachable installation of the inner cover 3. The utility model does not make any comment on this. limited.

For electric pressure cooker products, safety is very important, such as safety measures such as safe pressure relief and prohibition of opening the cover in the working state. The inner cover 3 of this embodiment can also be designed with a vent hole 32 and a float valve installation hole 33 to meet the requirements of the product. Security requirements, the specific implementation plan will not be described in detail.

The specific work process of this embodiment is as follows:

Before the lid is closed, the lid teeth 31 of the inner lid 3 and the pot teeth 101 of the inner pot 10 are in a staggered state. After the lid is closed, the user turns the lid handle 4 to drive the rotating shaft 5 to rotate through the transmission mechanism, and the inner lid 3 follows the rotating shaft 5 Rotate together, so that the cover teeth 31 of the inner cover 3 overlap with the pot teeth 101 of the inner pot 10, and the inner cover 3 and the inner pot 10 are fastened; when cooking, the pressure in the pot is increased, and the pressure acts on the inner cover 3, so that the rotating shaft 5 floats up to eliminate the pressure brought by the inner cover 3 to the outer cover 2; after cooking, the pressure in the pot drops to a safe pressure, and under the action of the return spring 81, the rotating shaft 5 floats down and resets; when the cover is opened, the user rotates it in the opposite direction The cover handle 4 drives the rotating shaft 5 to rotate through the transmission mechanism, and the inner cover 3 rotates together with the rotating shaft 5, so that the cover teeth 31 of the inner cover 3 and the pot teeth 101 of the inner pot 10 turn from an overlapping position to a staggered position, and the pot cover can be Opened smoothly.

After cooking, when the inner cover 3 needs to be cleaned, the locking nut 31 is unscrewed, and the inner cover 3 can be taken off.

In general: the structure of the electric pressure cooker of this embodiment is simple, especially the structure of the pot cover is simplified, the lock ring is omitted, and the cost is reduced; the inner cover is driven to rotate through a simpler and better transmission mechanism, and the user opens and closes the cover. It is more convenient; at the same time, the detachable inner cover also meets the user's cleaning requirements for the inner cover 3 .

The embodiment of the utility model is used for electric cooking appliances, such as electric pressure cooker, electric rice cooker and similar products.

Through the above embodiments, the purpose of the utility model has been fully and effectively achieved. Those familiar with the art should understand that the present invention includes but is not limited to the contents described in the accompanying drawings and the above specific embodiments. Any modifications that do not deviate from the functional and structural principles of the present utility model shall be included in the scope of the claims.

Claims (10)

1. the removable electric pressure cooking saucepan of inner cap, comprise a pot body, pot cover and interior pot, described pot cover is hinged on pot body, pot is contained in pot body in described, described pot cover comprises enclosing cover and inner cap, it is characterized in that: described inner cap can fasten with interior pot rotation or separate, be connected by rotating shaft between described enclosing cover and the inner cap, inner cap is removably mounted in the described rotating shaft and can rotates together along with rotating shaft, cover to be provided with outside described and cover handle, be provided with transmission mechanism between described lid handle and the rotating shaft, the lid handle drives rotating shaft by transmission mechanism and rotates inner cap.

2. the removable electric pressure cooking saucepan of inner cap as claimed in claim 1, it is characterized in that: described transmission mechanism comprises rotating seat and drive link, described rotating seat is connected with the lid handle, described drive link one end connects rotating shaft, the other end connects rotating seat, the lid handle drives the rotating seat rotation, and rotating seat drives the rotating shaft rotation by drive link.

3. the removable electric pressure cooking saucepan of inner cap as claimed in claim 2 is characterized in that: the described outer position that covers the mounting cover handle is provided with through hole, and described rotating seat passes through hole and is connected to and covers handle.

4. the removable electric pressure cooking saucepan of inner cap as claimed in claim 2, it is characterized in that: described drive link is provided with shifting block, and described rotating seat is provided with chute, and shifting block embeds chute and can slide along chute; Perhaps described drive link is provided with chute, and described rotating seat is provided with shifting block, and shifting block embeds chute and can slide along chute.

5. as claim 2 or the removable electric pressure cooking saucepan of 3 or 4 described inner caps, it is characterized in that: described rotating shaft upper end is provided with positioning step, described outer covering is provided with installing hole, rotating shaft is passed installing hole and is connected with inner cap, be connected by floating connecting structure between described positioning step and the drive link, rotating shaft can fluctuate.

6. the removable electric pressure cooking saucepan of inner cap as claimed in claim 5, it is characterized in that: described floating connecting structure comprises the connecting ring that is located on the drive link, and described connecting ring medial surface is provided with convex tendon, and described positioning step lateral surface is provided with groove, and convex tendon embeds in the groove; Perhaps described floating connecting structure comprises the connecting ring that is located on the drive link, and described connecting ring medial surface is provided with groove, and described positioning step lateral surface is provided with convex tendon, and convex tendon embeds in the groove.

7. as claim 1 or 2 or the 3 or 4 removable electric pressure cooking saucepans of described inner cap, it is characterized in that: be provided with cover plate in the described enclosing cover, described cover plate is fixed on the rotating shaft top, is provided with back-moving spring between described cover plate and the rotating shaft.

8. the removable electric pressure cooking saucepan of inner cap as claimed in claim 7, it is characterized in that: described cover plate is provided with lead, and described back-moving spring is enclosed within on the lead, and described rotating shaft is provided with gathering sill, and lead inserts in the gathering sill.

9. as claim 1 or 2 or the 3 or 4 removable electric pressure cooking saucepans of described inner cap, it is characterized in that: described inner cap is fixed in the rotating shaft by locking nut.

10. as claim 1 or 2 or the 3 or 4 removable electric pressure cooking saucepans of described inner cap, it is characterized in that: cover in described and be provided with float-controlled valve installing hole and/or steam vent.

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