CN210144473U - Electric pressure cooker with pressure anti-uncovering device - Google Patents
Electric pressure cooker with pressure anti-uncovering device Download PDFInfo
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- CN210144473U CN210144473U CN201920059603.7U CN201920059603U CN210144473U CN 210144473 U CN210144473 U CN 210144473U CN 201920059603 U CN201920059603 U CN 201920059603U CN 210144473 U CN210144473 U CN 210144473U
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Abstract
An electric pressure cooker provided with a pressure uncovering prevention device comprises an inner container, an outer cooker, a middle ring, an exhaust device and a cooker cover assembly, wherein the outer shell further comprises a central guide post, a circular guide sleeve surrounding the guide post, two pivoting frame plates, a prying plate spring post, a transmission plate guide post and a lock rod hole arranged at the lower end of the outer shell; the electric wrench is characterized by further comprising a prying plate, a transmission plate, a locking rod, a handle spring, a prying plate spring and a locking spring, wherein the driving block corresponds to the driving hole; the transmission plate guide post penetrates through a guide hole in the step of the transmission plate and the locking spring to be screwed with the screw, and the head of the screw is matched with the lower end of the locking spring; the locking rod passes through the locking rod hole to be matched with the locking hole on the middle ring. When the cover is opened, the cover can be opened only by pressing the handle to release pressure and then rotating the handle, so that the operation is convenient; the cover opening with pressure is prevented, and the potential safety hazard is eliminated; the operation is convenient.
Description
Technical Field
The invention relates to an electric pressure cooker.
Background
In the prior art, an electric pressure cooker comprises an inner container, an outer cooker, a middle ring, an exhaust device and a cooker cover assembly, wherein the exhaust device comprises a valve body, a thimble, an exhaust pipe and a clamp spring which movably connects the exhaust pipe with the valve body; the cooker cover assembly comprises an inner cooker cover, an outer shell and a handle, wherein the outer shell is provided with a valve cavity with an upper opening, a connecting hole is formed in a bottom plate of the valve cavity, a fixing hole is formed in the inner cooker cover, and the exhaust pipe penetrates through the connecting hole and the fixing hole to extend into the inner cooker cover and is fixedly connected with the inner cooker cover; the upper teeth of the inner pot cover are locked with the upper teeth of the outer pot. There are problems: in order to prevent the cover from being opened under pressure, a valve body of the exhaust device is operated by hands to exhaust and release pressure; the operation is inconvenient and potential safety hazards exist.
Disclosure of Invention
The purpose of the invention is: the electric pressure cooker provided with the pressure cover opening prevention device is convenient to operate, the operation handle exhausts and releases pressure and is linked with the cover opening, and potential safety hazards caused by pressure cover opening are eliminated.
The invention is realized by the following steps: an electric pressure cooker provided with a pressure anti-uncovering device comprises an inner container, an outer cooker, a middle ring, an exhaust device and a cooker cover assembly, wherein the exhaust device comprises a valve body, a thimble, an exhaust pipe and a clamp spring which movably connects the exhaust pipe with the valve body; the cooker cover assembly comprises an inner cooker cover, an outer shell and a handle, wherein the outer shell is provided with a valve cavity with an upper opening, a connecting hole is formed in a bottom plate of the valve cavity, a fixing hole is formed in the inner cooker cover, and the exhaust pipe penetrates through the connecting hole and the fixing hole to extend into the inner cooker cover and is fixedly connected with the inner cooker cover; the method is characterized in that: the shell also comprises a central guide post, a circular guide sleeve surrounding the guide post, two pivoting frame plates, a pry plate spring post, a transmission plate guide post and a lock rod hole arranged at the lower end of the shell, wherein the bottom plate of the circular guide sleeve is provided with at least two driving holes, and the lower end of an outer ring wall plate of the circular guide sleeve is provided with a radial hole; the valve cavity is provided with a guide stop hole corresponding to the radial hole;
an outer sleeve and an inner sleeve are arranged on the handle, and a driving block is arranged at the lower end of the outer sleeve;
also comprises a pry plate, a transmission plate, a locking rod, a handle spring, a pry plate spring and a locking spring,
the prying plate is provided with a pivoting seat and a through hole;
the driving plate comprises a step arranged in the middle, a driving plate positioned at one end and a driven plate positioned at the other end, and the driven plate is fixedly connected with the locking rod;
the central guide post is inserted into the handle spring, the outer sleeve is inserted into the annular guide sleeve, the upper end of the central guide post is inserted into the inner sleeve, and the lower end of the inner sleeve is inserted into the handle spring; the driving block corresponds to the driving hole; the prying plate is pivoted with the frame plate, the spring column of the prying plate penetrates through the spring of the prying plate and the through hole on the prying plate, the driving end of the prying plate extends into the annular guide sleeve to be matched with the lower end of the outer sleeve, and the driven end penetrates through the radial hole of the valve cavity to extend into a gap between the valve body and the bottom plate of the valve seat; the transmission plate guide post penetrates through a guide hole in the step of the transmission plate and the locking spring to be screwed with the screw, and the head of the screw is matched with the lower end of the locking spring; the locking rod passes through the locking rod hole to be matched with the locking hole on the middle ring.
The electric pressure cooker provided with the pressure cover opening prevention device is characterized in that: a driving groove is formed in the radial outer side of the clockwise end of the driving block;
the clockwise end of the driving hole is provided with an embedded plate;
the driving groove is matched with the embedded plate.
The electric pressure cooker provided with the pressure cover opening prevention device is characterized in that: in a static state, the handle spring and the pry plate spring are in a natural state, and the locking spring is in a compressed state;
the driven end of the prying plate is positioned between the lower end of the valve body and the valve cavity bottom plate, the driving plate part of the transmission plate is positioned between the lower end of the valve body and the valve cavity bottom plate, the locking rod extends out of the shell, and the locking rod is locked with the locking hole in the middle ring;
when the cover is opened, the handle moves downwards to compress the handle spring, the driving block extends into the driving hole, the lower end of the outer sleeve drives the driving end of the prying plate, the prying plate rotates, the valve body moves upwards, and the exhaust device exhausts air and releases pressure; meanwhile, the locking spring extends, the transmission plate moves upwards, and the locking rod leaves the locking hole in the middle ring; the handle is rotated to open the cover.
According to the electric pressure cooker with the pressure anti-uncovering device, due to the adoption of the structure, when the cover is uncovered, the cover can be uncovered only by pressing the handle to release pressure and then rotating, so that the operation is convenient; the cover opening with pressure is prevented, and the potential safety hazard is eliminated; the operation is convenient.
Drawings
Fig. 1 is a partial cross-sectional view of the present invention.
Figure 2 is a top view of the pot lid assembly of the present invention.
Fig. 3 is a view a-a of fig. 2.
Fig. 4 is a view B-B of fig. 3.
Fig. 5 is one of the exploded perspective views of the present invention.
Fig. 6 is a second exploded perspective view of the present invention.
Fig. 7 is a third exploded perspective view of the present invention.
Fig. 8 is a fourth exploded perspective view of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1, fig. 2 and fig. 3, the electric pressure cooker provided with the pressure cover opening prevention device comprises an inner container 1, an outer cooker 2, a middle ring 3, an exhaust device 4 and a cooker cover assembly, wherein the exhaust device is as shown in chinese patent ZL201020169585.7, the name of the utility model is as follows: an exhaust device of a pressure cooker; the exhaust device 4 comprises a valve body 41, a thimble 42, an exhaust pipe 43 and a clamp spring (not shown in the figure) for movably connecting the exhaust pipe with the valve body 41, wherein the valve body 41 is made of metal material and has certain mass, and the thimble 42 is matched with the exhaust pipe 43 by weight; the cooker cover assembly comprises an inner cooker cover 5, an outer shell 6 and a handle 7, wherein the outer shell 6 is provided with a valve cavity 61 with an upper opening, a connecting hole is formed in a bottom plate of the valve cavity, a fixing hole is formed in the inner cooker cover 5, and the exhaust pipe penetrates through the connecting hole and the fixing hole to extend into the inner cooker cover 5 and is fixedly connected together.
The shell 6 further comprises a central guide post 62, a circular guide sleeve 63 surrounding the guide post, two pivoting frame plates 64, a pry plate spring post 65, a transmission plate guide post 66 and a lock rod hole 67 arranged at the lower end of the shell, the bottom plate of the circular guide sleeve 63 is provided with two driving holes 631, and the lower end of the outer ring wall plate of the circular guide sleeve 63 is provided with a radial hole 632; the valve cavity 61 is provided with a guide stop hole corresponding to the radial hole 632;
an outer sleeve 71 and an inner sleeve 72 are arranged on the handle 7, and a driving block 711 is arranged at the lower end of the outer sleeve 71;
also comprises a pry plate 8, a transmission plate 9, a locking rod 10, a handle spring 11, a pry plate spring 12 and a locking spring 13,
the pry plate 8 is provided with a pivot seat 81 and a through hole 82;
the driving plate 9 comprises a step 91 arranged in the middle, a driving plate at one end and a driven plate at the other end, and the driven plate 92 is fixedly connected with the locking rod 10;
the central guide column 62 is inserted into the handle spring 11, the outer sleeve 71 is inserted into the annular guide sleeve 63, the upper end of the central guide column 62 is inserted into the inner sleeve 72, and the lower end of the inner sleeve 72 is inserted into the handle spring 11; the outer sleeve 71 is in sliding fit with the annular guide groove 63, and the central guide column is in sliding fit with the inner sleeve 72; the driving block 711 corresponds to the driving hole 631; a pivoting seat 81 of the pry plate 8 is pivoted with the frame plate 64, a pry plate spring column 85 penetrates through a pry plate spring 12 and a through hole 82 in the pry plate 8, a driving end of the pry plate 8 extends into the annular guide sleeve 63 through a radial hole 632 to be matched with the lower end of the outer sleeve 71, and a driven end penetrates through the radial hole of the valve cavity 61 to extend into a gap between the valve body 41 and the bottom plate of the valve seat 61; the driving plate guide post 66 passes through a guide hole on the step 91 of the driving plate 9 and the locking spring to be screwed with the screw 93, and the head of the screw 93 is matched with the lower end of the locking spring; the locking rod 10 passes through the locking rod hole 67 to match with the locking hole on the middle ring 3.
A driving groove 712 is arranged on the radial outer side of the clockwise end of the driving block 711;
the clockwise end of the driving hole 631 is provided with an embedded plate 632;
the driving groove 712 is engaged with the fitting plate 632.
As shown in fig. 3, in the rest state, the handle spring 11 and the pry plate spring 12 are in the natural state, and the lock spring is in the compressed state;
the driven end of the pry plate 8 is positioned between the lower end of the valve body 41 and the bottom plate of the valve cavity 61, the driving plate part of the transmission plate 9 is positioned between the lower end of the valve body 41 and the bottom plate of the valve cavity 61, the locking rod 10 extends out of the shell 6, and the locking rod 10 is locked with the locking hole in the middle ring 3;
when the cover is opened, the handle 7 is held by hand, the handle 7 is pressed, the handle 7 moves downwards, the handle spring 11 is compressed, the driving block 711 extends into the driving hole 631, the lower end of the outer sleeve 71 drives the driving end of the prying plate 8, the prying plate 8 rotates clockwise, the driven end of the prying plate 8 enables the valve body 41 to move upwards, and the exhaust device exhausts air and releases pressure; meanwhile, the locking spring extends, the transmission plate 9 moves upwards, and the locking rod 10 leaves the locking hole in the middle ring; the handle 7 is rotated clockwise, the driving groove 712 is embedded with the embedded plate 632, and the handle 7 is locked with the circular guide sleeve 63; the rotating handle 7 drives the inner pot cover 5 and the outer shell 6 to rotate, so as to open the pot.
The handle 7 is rotated anticlockwise, the embedded plate 632 is separated from the driving groove 712, the handle 7 loses pressure, and the handle automatically resets under the action of the handle spring 11; the prying plate 8 automatically resets under the action of a prying plate spring 12; the driving plate 9 is automatically reset under the action of the locking spring.
With this structure, the cover cannot be opened by only rotating the handle 7.
What has been described above is merely a preferred embodiment of the present invention. It should be noted that a person skilled in the art could make several modifications and variations without departing from the principle of the present invention, which should also be regarded as the protection scope of the present invention.
Claims (3)
1. An electric pressure cooker provided with a pressure anti-uncovering device comprises an inner container, an outer cooker, a middle ring, an exhaust device and a cooker cover assembly, wherein the exhaust device comprises a valve body, a thimble, an exhaust pipe and a clamp spring which movably connects the exhaust pipe with the valve body; the cooker cover assembly comprises an inner cooker cover, an outer shell and a handle, wherein the outer shell is provided with a valve cavity with an upper opening, a connecting hole is formed in a bottom plate of the valve cavity, a fixing hole is formed in the inner cooker cover, and the exhaust pipe penetrates through the connecting hole and the fixing hole to extend into the inner cooker cover and is fixedly connected with the inner cooker cover; the method is characterized in that: the shell also comprises a central guide post, a circular guide sleeve surrounding the guide post, two pivoting frame plates, a pry plate spring post, a transmission plate guide post and a lock rod hole arranged at the lower end of the shell, wherein the bottom plate of the circular guide sleeve is provided with at least two driving holes, and the lower end of an outer ring wall plate of the circular guide sleeve is provided with a radial hole; the valve cavity is provided with a guide stop hole corresponding to the radial hole;
an outer sleeve and an inner sleeve are arranged on the handle, and a driving block is arranged at the lower end of the outer sleeve;
also comprises a pry plate, a transmission plate, a locking rod, a handle spring, a pry plate spring and a locking spring,
the prying plate is provided with a pivoting seat and a through hole;
the driving plate comprises a step arranged in the middle, a driving plate positioned at one end and a driven plate positioned at the other end, and the driven plate is fixedly connected with the locking rod;
the central guide post is inserted into the handle spring, the outer sleeve is inserted into the annular guide sleeve, the upper end of the central guide post is inserted into the inner sleeve, and the lower end of the inner sleeve is inserted into the handle spring; the driving block corresponds to the driving hole; the prying plate is pivoted with the frame plate, the spring column of the prying plate penetrates through the spring of the prying plate and the through hole on the prying plate, the driving end of the prying plate extends into the annular guide sleeve to be matched with the lower end of the outer sleeve, and the driven end penetrates through the radial hole of the valve cavity to extend into a gap between the valve body and the bottom plate of the valve seat; the transmission plate guide post penetrates through a guide hole in the step of the transmission plate and the locking spring to be screwed with the screw, and the head of the screw is matched with the lower end of the locking spring; the locking rod passes through the locking rod hole to be matched with the locking hole on the middle ring.
2. Electric pressure cooker provided with a pressure opening prevention device according to claim 1, characterized in that: a driving groove is formed in the radial outer side of the clockwise end of the driving block;
the clockwise end of the driving hole is provided with an embedded plate;
the driving groove is matched with the embedded plate.
3. Electric pressure cooker provided with a pressure opening prevention device according to claim 1, characterized in that: in a static state, the handle spring and the pry plate spring are in a natural state, and the locking spring is in a compressed state;
the driven end of the prying plate is positioned between the lower end of the valve body and the valve cavity bottom plate, the driving plate part of the transmission plate is positioned between the lower end of the valve body and the valve cavity bottom plate, the locking rod extends out of the shell, and the locking rod is locked with the locking hole in the middle ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920059603.7U CN210144473U (en) | 2019-01-14 | 2019-01-14 | Electric pressure cooker with pressure anti-uncovering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920059603.7U CN210144473U (en) | 2019-01-14 | 2019-01-14 | Electric pressure cooker with pressure anti-uncovering device |
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| Publication Number | Publication Date |
|---|---|
| CN210144473U true CN210144473U (en) | 2020-03-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920059603.7U Active CN210144473U (en) | 2019-01-14 | 2019-01-14 | Electric pressure cooker with pressure anti-uncovering device |
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| CN (1) | CN210144473U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109619970A (en) * | 2019-01-14 | 2019-04-16 | 广东德琪电器实业有限公司 | It is provided with the electric pressure cooking saucepan of the anti-hood-opening device of pressure |
-
2019
- 2019-01-14 CN CN201920059603.7U patent/CN210144473U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109619970A (en) * | 2019-01-14 | 2019-04-16 | 广东德琪电器实业有限公司 | It is provided with the electric pressure cooking saucepan of the anti-hood-opening device of pressure |
| CN109619970B (en) * | 2019-01-14 | 2023-10-03 | 广东德琪电器实业有限公司 | Electric pressure cooker with pressure cover opening prevention device |
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