CN107647769B - Outer casing cover and electric pressure cooker - Google Patents

Abstract

The invention discloses a shell cover and an electric pressure cooker, wherein the shell cover comprises: an annular housing; the handle comprises a holding part, the holding part is arranged in a bent shape, and two ends of the holding part are correspondingly connected with the outer wall surface of the annular shell; and the first reinforcing rib is arranged at the joint of the holding part and the annular shell, and two ends of the first reinforcing rib are respectively connected with the annular shell and the holding part. The technical scheme of the invention can improve the strength of the connecting position of the handle and the annular shell.

Description

Outer casing cover and electric pressure cooker

Technical Field

The invention relates to the technical field of electric cookers, in particular to a shell cover and an electric pressure cooker.

Background

Electric pressure cooker products in the market all include outer cover and outer pot. The outer shell cover comprises an annular shell and a handle which is convexly arranged on the annular shell, and is connected with the outer pot to provide the handle for the electric pressure cooker and an assembly space for other components of the electric pressure cooker; in the actual use process of the existing electric pressure cooker, stress concentration is easily generated at the connecting position of the handle and the annular shell, and the connecting position of the handle and the annular shell is easily cracked and damaged due to insufficient strength of the connecting position when the stress is overlarge.

Disclosure of Invention

The invention mainly aims to provide an outer shell cover, aiming at improving the strength of the connecting position of a handle and an annular shell.

To achieve the above object, the present invention provides an enclosure cover comprising: an annular housing; the handle comprises a holding part, the holding part is arranged in a bent shape, and two ends of the holding part are respectively connected with the outer wall surface of the annular shell; and the first reinforcing rib is arranged at the joint of the holding part and the annular shell, and two ends of the first reinforcing rib are respectively connected with the annular shell and the holding part.

Preferably, the thickness of the first reinforcing bead is 0.5 to 0.7 mm.

Preferably, the included angle between the first reinforcing rib and the end of the holding part towards the extending direction of the annular shell is 10-30 degrees.

Preferably, the lower surface of the annular shell is provided with an annular groove arranged around the center of the annular shell; and a plurality of radial reinforcing ribs which extend radially and are arranged at intervals are arranged in the annular groove.

Preferably, the arrangement density of the radial reinforcing ribs corresponding to the position of the handle is greater than that of the radial reinforcing ribs far away from the handle.

Preferably, still be equipped with the annular strengthening rib of circumference extension in the ring channel and with the annular strengthening rib sets up the second strengthening rib side by side, the second strengthening rib is the arc and corresponds the position setting of handle.

Preferably, the thickness of the second reinforcing rib is 0.5 to 1 mm.

Preferably, a third reinforcing rib is further arranged in the annular groove, one end of the third reinforcing rib is connected with the connecting position of the end part of the holding part and the outer side groove wall of the annular groove, the other end of the third reinforcing rib is connected with the inner side groove wall of the annular groove, and the extending direction of the third reinforcing rib is the same as the extending direction of the end part of the holding part.

Preferably, the thickness of the third reinforcing bead is 0.5 to 1 mm.

Preferably, a fourth reinforcing rib positioned on one side of the third reinforcing rib is further arranged in the annular groove; one end of the fourth reinforcing rib is connected with the outer side groove wall, and the other end of the fourth reinforcing rib is connected with the inner side groove wall.

Preferably, the thickness of the fourth reinforcing rib is 0.2-0.5 mm.

Preferably, the included angle between the third reinforcing rib and the fourth reinforcing rib is 10-30 degrees.

Preferably, the lower surface of the holding part is smoothly transited with the lower surface of the annular shell.

The invention also provides an electric pressure cooker, which comprises an outer cooker and an outer shell cover; the housing cover includes: an annular housing; the handle comprises a holding part, the holding part is arranged in a bent shape, and two ends of the holding part are respectively connected with the outer wall surface of the annular shell; the first reinforcing rib is arranged at the joint of the holding part and the annular shell, and two ends of the first reinforcing rib are respectively connected with the annular shell and the holding part; the annular shell of the outer shell cover is matched with the outer pot.

According to the technical scheme, the first reinforcing rib is arranged to reinforce the joint of the holding part and the annular shell; after the holding part is stressed, part of stress is transmitted to the first reinforcing rib from the holding part and then transmitted to the connecting position of the first reinforcing rib and the annular shell from the first reinforcing rib, so that the connecting position of the holding part and the annular shell can bear larger stress, the strength of the connecting position of the handle and the annular shell is integrally improved, and the connecting position of the handle and the annular shell is effectively prevented from being cracked and damaged.

Drawings

FIG. 1 is a schematic structural view of an embodiment of a closure of the present invention;

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

FIG. 3 is a bottom view of the housing cover shown in FIG. 1;

fig. 4 is a partially enlarged view of fig. 3 at B.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				100	Annular housing	200	Handle bar
300	First reinforcingrib	400	Second reinforcingrib
				500	Third reinforcingrib	600	Fourth reinforcingrib
110	Annular groove	111	Outside slot wall
				112	Innerside groove wall	120	Radial reinforcingrib
130	Annular reinforcingrib	210	Grippingpart
				220	Panel board	221	Connecting rib

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.

It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The invention provides an outer shell cover.

Referring to fig. 1 and 2, in which the top-bottom orientation in the view shown in fig. 1 is opposite to the top-bottom orientation in the use of the outer cover, the top-bottom orientation in the literal statement of the invention refers to the orientation in the use state of the outer cover, and the solid lines with arrows in the figures indicate spaces (grooves, cavities, holes, etc.) or faces; in an embodiment of the invention, the housing cover comprises: anannular housing 100; thehandle 200 comprises aholding part 210, wherein theholding part 210 is arranged in a bent shape, and two ends of theholding part 210 are respectively connected with the outer wall surface of theannular shell 100; and a first reinforcingrib 300 provided at a joint between thegrip portion 210 and theannular housing 100, and having both ends connected to theannular housing 100 and thegrip portion 210, respectively.

According to the technical scheme, the first reinforcingrib 300 is arranged to reinforce the joint of theholding part 210 and theannular shell 100; after theholding part 210 is stressed, a part of stress is transmitted from theholding part 210 to the first reinforcingrib 300 and then from the first reinforcingrib 300 to the connecting position of the first reinforcingrib 300 and theannular shell 100, so that the connecting position of theholding part 210 and theannular shell 100 can bear larger stress, the strength of the connecting position of thehandle 200 and theannular shell 100 is integrally improved, and the connecting position of thehandle 200 and theannular shell 100 is effectively prevented from being cracked and damaged.

In this embodiment, thehandle 200 further includes apanel 220 disposed above theholding portion 210 and connected to the upper surface of theholding portion 210, the upper surface of the first reinforcingrib 300 is connected to the lower surface of thepanel 220, and thepanel 220 can enhance the appearance of thehandle 200, so as to facilitate the user to grip and apply force. Aconnection rib 221 connecting thepanel 220 and the outer wall surface of the ring-shaped case 100 may be further provided to secure the reliability of thehandle 200. Of course, thepanel 220 may not be provided, and in this case, the user may insert fingers into thegrip portion 210 to grip the finger, which may also meet the use requirement of the user.

In actual operation, can reach more even reinforcement effect through the relative position ofadjustment portion 210 and first strengtheningrib 300, it is specific, when not setting up first strengtheningrib 300, the power that the hookup location ofportion 210 and first strengtheningrib 300 received is the benchmark, the tip that sets up first strengtheningrib 300 and thecorresponding portion 210 of gripping sets up the both sides in the direction of the power that receives respectively, the power that makes receive can more even decomposition to the tip of first strengtheningrib 300 andportion 210 of gripping, thereby make theportion 210 of gripping andannular housing 100's hookup location can bear bigger stress. Preferably, the angle α (see fig. 4) between the first reinforcingrib 300 and the end of theholding portion 210 toward the extending direction of the annular housing 100 (which is the tangential direction if the end is arc-shaped) is 10 ° -30 °; in a specific operation, the included angle α is determined according to the extending direction of the end of theholding portion 210, and based on the force applied to the connecting position of theholding portion 210 and the first reinforcingrib 300 when the first reinforcingrib 300 is not provided, when the included angle between the extending direction of the end of theholding portion 210 and the direction of the applied force is larger, the included angle α between the first reinforcingrib 300 and the extending direction of the end of theholding portion 210 is also larger, and at this time, the first reinforcingrib 300 and the corresponding end of theholding portion 210 can be uniformly arranged on both sides of the direction of the applied force, so that the applied force can be more uniformly divided to the ends of the first reinforcingrib 300 and theholding portion 210; referring to fig. 3 and 4, in the present embodiment, the firstreinforcing rib 300 is disposed on the inner side of theholding portion 210, and an angle α between the first reinforcingrib 300 and the end of theholding portion 210 toward the extending direction of theannular housing 100 is preferably 18 ° according to specific situations. In order to achieve a better reinforcing effect, the thickness of the first reinforcingrib 300 is preferably set to be 0.5-0.7 mm; in the present example specifically 0.6 mm.

In order to reduce the weight of theannular housing 100, referring to fig. 1 and 3, anannular groove 110 may be provided on the lower surface of theannular housing 100; theannular housing 100 is provided to be hollow, so that the amount of raw materials can be greatly reduced while the weight of theannular housing 100 is reduced; in order to solve the problem of strength reduction of theannular shell 100 caused by theannular groove 110, a plurality ofradial reinforcing ribs 120 which extend radially and are arranged at intervals can be arranged in theannular groove 110; theradial ribs 120 reinforce theannular groove 110, ensuring the strength of theannular housing 100 while reducing the weight of theannular housing 100.

Because theannular housing 100 is provided with thehandle 200, the stress is concentrated, and in order to address such a situation, please refer to fig. 3, the arrangement density of theradial reinforcing ribs 120 corresponding to the position of thehandle 200 may be set to be greater than the arrangement density of theradial reinforcing ribs 120 far away from thehandle 200, and at this time, the number of theradial reinforcing ribs 120 corresponding to the position of thehandle 200 is large, so that theannular housing 100 can bear a larger stress, the strength of the position of theannular housing 100 where thehandle 200 is provided is improved, and theannular housing 100 can be prevented from cracking and being damaged due to an excessively large stress at the position corresponding to theannular housing 100.

Referring to fig. 2 and 3, theannular groove 110 is further provided with a circumferentially extendingannular rib 130 and asecond rib 400 arranged side by side with theannular rib 130, and theannular rib 130 can connect a plurality ofradial ribs 120 to form a whole, so that the received force can be uniformly dispersed, which is beneficial to further improving the overall strength of theannular housing 100; the second reinforcingrib 400 is arc-shaped and is arranged corresponding to thehandle 200; the second reinforcingrib 400 reinforces the position of theannular shell 100 connected with thehandle 200, and avoids theannular shell 100 from cracking and damaging due to overlarge stress at the corresponding position. In order to achieve a better reinforcing effect, the thickness of the second reinforcingrib 400 is preferably set to be 0.5-1 mm; in the present example specifically 0.6 mm.

In order to further disperse the stress at the connection position of thehandle 200 and theannular housing 100, referring to fig. 2 and 4, a third reinforcingrib 500 may be further disposed in theannular groove 110, one end of the third reinforcingrib 500 is connected to the connection position of the end of thegrip portion 210 and theouter groove wall 111 of theannular groove 110, and the other end of the third reinforcingrib 500 is connected to theinner groove wall 112 of theannular groove 110, and the extending direction of the third reinforcingrib 500 is the same as the extending direction of the end of thegrip portion 210. The third reinforcingrib 500 itself can bear a part of stress, the stress applied to the end of theholding portion 210 can be transmitted to the innerside groove wall 112 of theannular groove 110 by the third reinforcingrib 500, so that the innerside groove wall 112 of theannular groove 110 shares a part of stress, the connecting position of theholding portion 210 and theannular housing 100 can bear larger stress, the strength of the connecting position of thehandle 200 and theannular housing 100 is integrally improved, and the connecting position of thehandle 200 and theannular housing 100 is effectively prevented from being cracked and damaged. In order to achieve a better reinforcing effect, the thickness of the third reinforcingrib 500 is preferably set to be 0.5 to 1 mm; in the present embodiment specifically 0.75 mm.

In order to further disperse the stress and improve the strength of the housing cover, referring to fig. 2 and 4, in the embodiment, afourth rib 600 is further disposed in theannular groove 110 on one side of thethird rib 500; one end of the fourth reinforcingrib 600 is connected to theouter groove wall 111, and the other end is connected to theinner groove wall 112. The fourth reinforcingrib 600 may be disposed close to the third reinforcingrib 500, the fourth reinforcingrib 600 itself may bear a part of the stress, and the fourth reinforcingrib 600 may also transmit a part of the stress received by theouter groove wall 111 from theouter groove wall 111 to theinner groove wall 112, so that theinner groove wall 112 may share a part of the stress, and thus the magnitude of the stress that can be borne by the connection position of thegrip portion 210 and theannular housing 100 may be increased, and the strength of the connection position of thehandle 200 and theannular housing 100 may be increased. In order to achieve a better reinforcing effect, the thickness of the fourth reinforcingrib 600 is preferably set to be 0.2-0.5 mm; in the present embodiment specifically 0.35 mm.

In actual operation, can reach more even reinforcement effect through the relative position of adjustment third strengtheningrib 500 and fourth strengtheningrib 600, it is specific, with the power that the hookup location of the portion of gripping 210 andannular housing 100 received as the benchmark, set up third strengtheningrib 500 and fourth strengtheningrib 600 and set up respectively in the both sides of the direction of the power that the hookup location of the portion of gripping 210 andannular housing 100 received, make the power that receives can more even decomposition to third strengtheningrib 500 and fourth strengtheningrib 600, and then even transmission to theinboard cell wall 112 ofring channel 110. Referring to fig. 4, preferably, an included angle β between the third reinforcingrib 500 and the fourth reinforcingrib 600 is 10 ° to 30 °; during specific operation, the included angle β is determined according to the extending direction of the third reinforcingrib 500, and based on the force applied to the connecting position of theholding portion 210 and theannular housing 100, when the included angle between the extending direction of the third reinforcingrib 500 and the direction of the applied force is larger, the included angle β between the fourth reinforcingrib 600 and the third reinforcingrib 500 is also larger, and at this time, the third reinforcingrib 500 and the fourth reinforcingrib 600 can be uniformly arranged on both sides of the direction of the applied force, so that the applied force can be more uniformly decomposed to the third reinforcingrib 500 and the fourth reinforcingrib 600, and the connecting position of theholding portion 210 and theannular housing 100 can bear larger stress; the angle β between the third reinforcingribs 500 and the fourth reinforcingribs 600 in this embodiment is preferably 18 ° as the case may be.

In the prior art, the lower surface of thegrip portion 210 protrudes from the lower surface of theannular housing 100, or the lower surface of theannular housing 100 protrudes from the lower surface of thegrip portion 210, so that the stress on the lower surface of thegrip portion 210 cannot be smoothly transmitted, and the stress is concentrated on the lower end of the connection position of thegrip portion 210 and theannular housing 100; to solve this problem, referring to fig. 2 and 4, in the present invention, the lower surface of thegrip portion 210 is smoothly transited to the lower surface of theannular housing 100; specifically, since theannular groove 110 is provided in the present embodiment, the lower surface of thegrip portion 210 smoothly transitions to the lower surface of theouter groove wall 111 of theannular groove 110. The force of the lower surface of theholding part 210 can be transmitted in the same plane or curved surface, so that the force of the lower surface of theholding part 210 is conveniently transmitted to theannular shell 100, theannular shell 100 and theholding part 210 bear the stress together, the stress concentration at the lower end of the connecting position of theholding part 210 is effectively avoided, and the phenomena of cracking and damage of the connecting position of thehandle 200 and theannular shell 100 are greatly improved.

The outer shell cover may be integrally injection molded from plastic.

The invention also provides an electric pressure cooker which comprises an outer cooker and an outer casing cover, wherein the specific structure of the outer casing cover refers to the embodiments, and the electric pressure cooker adopts all the technical schemes of all the embodiments, so that the electric pressure cooker also has all the beneficial effects brought by the technical schemes of the embodiments, and the details are not repeated. Wherein, the annular shell of the outer shell cover is matched with the outer pot for installation.

It should be noted that the technical solutions of the embodiments of the present invention can be combined with each other, but must be based on the realization of the technical solutions by those skilled in the art, and when the technical solutions are contradictory or can not be realized, the combination of the technical solutions should be considered to be absent and not to be within the protection scope of the present invention.

The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or any other related technical fields, are included in the scope of the present invention.

Claims (10)

1. An outer cover for cooperating with an outer pot of an electric pressure cooker, the outer cover comprising:

an annular housing;

the handle comprises a holding part, the holding part is arranged in a bent shape, and two ends of the holding part are respectively connected with the outer wall surface of the annular shell; and the number of the first and second groups,

the first reinforcing rib is arranged at the joint of the holding part and the annular shell, and two ends of the first reinforcing rib are respectively connected with the annular shell and the holding part;

the lower surface of the annular shell is provided with an annular groove which is arranged around the center of the annular shell; a plurality of radial reinforcing ribs which extend radially and are arranged at intervals are arranged in the annular groove;

a third reinforcing rib is further arranged in the annular groove, one end of the third reinforcing rib is connected with the connecting position of the end part of the holding part and the outer side groove wall of the annular groove, the other end of the third reinforcing rib is connected with the inner side groove wall of the annular groove, and the extending direction of the third reinforcing rib is the same as the extending direction of the end part of the holding part;

a fourth reinforcing rib positioned on one side of the third reinforcing rib is also arranged in the annular groove; one end of the fourth reinforcing rib is connected with the outer side groove wall, and the other end of the fourth reinforcing rib is connected with the inner side groove wall;

the setting density of the radial reinforcing ribs corresponding to the positions of the handles is greater than that of the radial reinforcing ribs far away from the positions of the handles.

2. The closure of claim 1 in which the thickness of the first ribs is 0.5 to 0.7 mm.

3. The closure of claim 2 in which the first rib is angled from 10 ° to 30 ° from the direction of extension of the end of the gripping portion.

4. The closure of claim 1, in which said annular groove further includes a circumferentially extending annular rib and a second rib juxtaposed with said annular rib, said second rib being arcuate and positioned to correspond to the position of said handle.

5. The closure of claim 4, in which the second ribs have a thickness of 0.5mm to 1 mm.

6. The closure of claim 1 in which the thickness of the third ribs is 0.5 to 1 mm.

7. The closure of claim 1 in which said fourth ribs have a thickness of 0.2 to 0.5 mm.

8. The closure of claim 1 in which said third ribs are angled from said fourth ribs at an angle of between 10 ° and 30 °.

9. The outer shell cover of claim 1, wherein the grip lower surface smoothly transitions with the annular shell lower surface.

10. An electric pressure cooker comprising an outer pot and a housing cover according to any one of claims 1 to 9; the annular shell of the outer shell cover is matched with the outer pot.

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