CN211911298U - Pressure limiting valve, pot cover and micro-pressure pot - Google Patents
Pressure limiting valve, pot cover and micro-pressure pot Download PDFInfo
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- CN211911298U CN211911298U CN202020470994.4U CN202020470994U CN211911298U CN 211911298 U CN211911298 U CN 211911298U CN 202020470994 U CN202020470994 U CN 202020470994U CN 211911298 U CN211911298 U CN 211911298U
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Abstract
The utility model discloses a pressure limiting valve, pot cover and minute pressure cooker. The pressure limiting valve comprises a valve body and a valve ball, the valve body comprises a valve body lower cover and a valve body upper cover arranged on the valve body lower cover, a first steam inlet is formed in the bottom of the valve body lower cover, a steam outlet is formed in the valve body upper cover, and a steam channel communicated between the first steam inlet and the steam outlet is formed between the valve body lower cover and the valve body upper cover; the valve ball is positioned in the steam channel and is pressed on the steam outlet. The pressure limiting valve has a simple integral structure, so that the air pressure required by the action of the valve ball is small, the pressure limiting valve can be matched with a micro pressure cooker with small cooking pressure for use, the pressure limiting exhaust is stable, the pressure limiting effect is good, the safety in use is high, and the pressure limiting valve is convenient to disassemble and clean.
Description
Technical Field
The utility model relates to a cooking pot field especially relates to a pressure limiting valve, pot cover and minute pressure cooker that have the pressure limiting valve.
Background
This section merely provides background information related to the present application so as to enable those skilled in the art to more fully and accurately understand the present application, which is not necessarily prior art.
The micro pressure cooker is a cooker with cooking pressure of micro pressure (micro pressure is slightly larger than 1 atmosphere, for example, not more than 3 atmospheres), and is different from a traditional pressure cooker capable of generating cooking pressure of 50-140 kPa. Because the micro-pressure cooker provides micro-pressure cooking, the food can be quickly cooked, potential danger caused by high-pressure cooking of the traditional pressure cooker is avoided, and the nutritive value of food cannot be damaged by high pressure.
The existing pressure cooker is provided with a steam outlet hole on the cooker cover, and a weight type pressure limiting valve (or a pressure regulating device) is arranged on the steam outlet hole, so that when the pressure intensity in the cooker reaches a certain value, namely the product of the pressure intensity in the cooker and the cross-sectional area of the steam outlet hole is larger than the mass of the weight type pressure limiting valve, the weight type pressure limiting valve is jacked up by gas in the cooker, and partial gas in the cooker overflows to reduce the pressure intensity in the cooker, so that the pressure limiting valve plays a role of pressure limiting to maintain the pressure in the cooker within a certain range, and the cooking efficiency is improved. However, since the micro pressure cooker generates a small pressure during cooking and the weight type pressure limiting valve needs to be matched with a large pressure to stabilize the cooking pressure, the weight type pressure limiting valve cannot be matched with the micro pressure cooker.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a pressure limiting valve with simple structure, the required pressure for controlling the action of the pressure limiting valve is smaller, thereby the pressure limiting valve can be matched with a micro-pressure cooker for use.
The utility model discloses still provide a pot cover with pressure limiting valve to and implement the micro-pressure pot of pot cover.
The utility model provides a pressure limiting valve, which comprises a valve body and a valve ball, wherein the valve body comprises a lower valve body cover and an upper valve body cover arranged on the lower valve body cover, a first steam inlet is arranged at the bottom of the lower valve body cover, a steam outlet is arranged on the upper valve body cover, and a steam channel communicated between the first steam inlet and the steam outlet is formed between the lower valve body cover and the upper valve body cover; the valve ball is positioned in the steam channel and is pressed on the steam outlet.
In a preferred embodiment, a limiting cover positioned above the first steam inlet is arranged on the inner side surface of the lower cover of the valve body, the limiting cover and the first steam inlet are enclosed to form a limiting cavity, the valve ball is arranged in the limiting cavity, and at least one through groove for communicating the limiting cavity with the steam channel is arranged on the limiting cover.
In a preferred embodiment, the size of the first steam inlet is larger than that of the valve ball, a limiting end cover is arranged at the first steam inlet, and a second steam inlet with the size smaller than that of the valve ball is arranged at the center of the limiting end cover, so that the valve ball is pressed on the second steam inlet.
In a preferred embodiment, the first steam inlet and the steam outlet are arranged in a staggered manner, and a steam blocking structure is arranged in the steam channel.
In a preferred embodiment, the vapor barrier structure comprises: a plurality of lower partition plates positioned in the steam channel are arranged on the upper side surface of the lower valve body cover at intervals, and a preset first gap for steam to pass through is formed between the top of each lower partition plate and the lower side surface of the upper valve body cover; an upper partition plate is arranged on the lower side face of the upper cover of the valve body, the lower end of the upper partition plate is located between two adjacent lower partition plates, and a preset second gap for steam to pass through is formed between the lower end of the upper partition plate and the upper side face of the lower cover of the valve body.
In a preferred embodiment, the lower cover of the valve body is an upper inclined surface gradually approaching the steam outlet from the first steam inlet.
The utility model discloses a pot cover, including covering the body, be equipped with the installation position on this lid body, be equipped with the blast pipe in the one end of installation position, the inner wall of this blast pipe is equipped with the spacing ring, and detachable installs the pressure-limiting valve in the blast pipe.
In a preferred embodiment, a sealing element is arranged below the first steam inlet, the sealing element comprises a second mounting seat connected with the first steam inlet and a deformation part arranged in the middle of the second mounting seat, the deformation part is provided with a gas passing hole communicated with the first steam inlet, the outer side surface of the second mounting seat is provided with a sealing ring groove, and the tail end of the limiting ring is positioned in the sealing ring groove.
In a preferred embodiment, the pot cover further comprises a filter, and the filter comprises a first mounting seat fixedly connected with the lower end of the exhaust pipe and a filter screen arranged in the middle of the first mounting seat.
The utility model discloses a micro-pressure cooker, which comprises a heating seat, a cooker body arranged on the heating seat and a cooker cover covered on the cooker body.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses a pressure limiting valve, overall structure is simple, realizes through the valve ball action that the pressure limiting valve switches between closed condition and open condition, overcomes valve ball weight and makes the valve ball action required atmospheric pressure less to can use with the little pressure cooker of less cooking pressure matching, the pressure limiting is discharged stably and the pressure limiting is effectual; the pressure limiting valve is integrally installed in the exhaust pipe through a sealing piece, so that the use safety is high, and the pressure limiting valve is convenient to disassemble and clean.
Drawings
Fig. 1 is a schematic perspective view of a cooking pan.
Fig. 2 is a schematic view of the internal structure of the cooking pan.
Fig. 3 is a perspective view of the pressure limiting valve.
Fig. 4 is a schematic view of an installation structure of an upper cover and a limiting member of the pressure limiting valve.
Fig. 5 is a schematic view of the internal structure of the pressure limiting valve.
Fig. 6 is a structural schematic diagram of the pot cover that the filter screen is mounted on the inner side of the pot cover.
Fig. 7 is a structural schematic view of the cooker cover that the pressure limiting valve is wholly separated from the exhaust hole.
Fig. 8 is a schematic perspective view of a micro-pressure cooker.
Fig. 9 is an exploded view of the micro-pressure cooker.
Detailed Description
To further clarify the technical solutions and effects adopted by the present application to achieve the intended purpose, the following detailed description is given with reference to the accompanying drawings and preferred embodiments according to the present application. In the following description, different "one embodiment" or "an embodiment" refers to not necessarily the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
Referring to fig. 1 and 2, the cooking pot comprises a pot body 1 and a pot cover, the pot cover comprises a cover body 2 which can be covered on the pot body 1 through a first sealing ring 5, an installation position 21 is arranged on the cover body 2, an exhaust pipe 22 is arranged at one end of the installation position 21, a limiting ring 23 is arranged on the inner wall of the exhaust pipe 22, a pressure limiting valve 3 is detachably installed in the exhaust pipe 22, and the limiting ring 23 is used for installing and supporting the pressure limiting valve 3.
As shown in connection with fig. 2-5. The pressure limiting valve 3 comprises a valve body and a valve ball 32; the valve body comprises a valve body lower cover 31 and a valve body upper cover 35 arranged on the valve body lower cover 31, a first steam inlet 312 is arranged at the bottom of the valve body lower cover 31, a steam outlet 351 is arranged on the valve body upper cover 35, and a steam channel 311 communicated between the first steam inlet 312 and the steam outlet 351 is formed between the valve body lower cover 31 and the valve body upper cover 35; the valve ball 32 is located in the steam passage 311 and is provided at the steam outlet 351. The pressure limiting valve 3 is arranged on the mounting position 21 of the cover body 2, the pressure limiting valve 3 provides mounting support for the valve body lower cover 31 and enables the steam outlet 351 to be communicated with the exhaust pipe 22. When the upward pressure of the pressure in the pot body 1 from the first steam inlet 312 to the valve ball 32 does not exceed the self weight of the valve ball 32, the valve ball 32 is pressed on the first steam inlet 312 so as to seal the first steam inlet 312, and at the moment, the pressure limiting valve 3 is in a closed state so that the steam in the pot body 1 cannot be discharged from the exhaust pipe 22 through the pressure limiting valve 3; on the contrary, when the upward pressure of the pressure in the pot body 1 from the first steam inlet 312 to the valve ball 32 exceeds the self weight of the valve ball 32, the valve ball 32 floats upwards to make the first steam inlet 312 not sealed any more, at the moment, the pressure limiting valve 3 is in an open state, part of the steam entering the exhaust pipe 22 in the pot body 1 can enter the steam channel 311 of the pressure limiting valve 3 from the first steam inlet 312 and is finally discharged from the steam outlet 351 through the steam channel 311, and the pressure of the pot body 1 is reduced to maintain the preset cooking pressure in the pot body 1.
In one embodiment, a limiting cover 313 is disposed on an inner side surface of the valve body lower cover 31 above the first steam inlet 312, a limiting cavity is defined by the limiting cover 313 and the first steam inlet 312, the valve ball 32 is disposed in the limiting cavity, and at least one through groove 3131 for communicating the limiting cavity with the steam channel 311 is disposed on the limiting cover 313. The purpose of the limiting cover 313 is to form a limiting cavity to limit the moving space of the valve ball 32, ensure that the valve ball 32 can fall back to cover the first steam inlet 312 again to seal the first steam inlet 312 when the steam pressure drops after the valve ball 32 is impacted by the steam and floats upwards against the gravity, and improve the working reliability of the limiting valve 3.
In one embodiment, to facilitate placement of the valve ball 32 into the retaining cavity, the size of the first steam inlet 312 is configured to be larger than the size of the valve ball 32 to provide for bottom-up placement of the valve ball 32 into the retaining cavity from the first steam inlet 312; a limiting end cover 33 for enclosing the valve ball 32 in the limiting cavity is arranged at the first steam inlet 312, and a second steam inlet 331 with the size smaller than that of the valve ball 32 is arranged at the center of the limiting end cover 33, so that the valve ball 32 can be pressed on the second steam inlet 331 to seal the second steam inlet 331. The pressure valve 3 is in a closed state when the valve ball 32 is pressed against the second steam inlet 331, and the pressure valve 3 is in an open state when the valve ball 32 is separated from the second steam inlet 331 after floating upward.
The periphery of the limiting end cover 33 is provided with a plurality of buckles 332, the limiting end cover 33 is clamped at the first steam inlet 312 through the buckles 332, the limiting end cover 33 is detachable relative to the valve body lower cover 31, and a realization condition is provided for taking out the valve ball 32 for cleaning.
In one embodiment, first steam inlet 312 is offset from steam outlet 351, i.e., steam outlet 351 is not directly above first steam inlet 312. This arrangement facilitates the formation of a transversely extending steam channel 311 between first steam inlet 312 and steam outlet 351, allowing steam to condense as it passes through steam channel 311 to reduce the loss of moisture from within pan body 1.
Moreover, a steam blocking structure is arranged in the steam channel 311 to increase the transmission path of the steam in the steam channel 311, and promote the steam to generate condensed water in the transmission process in the steam channel 311 so as to reduce the water loss in the pot body 1. The vapor barrier structure includes: the lower partition plates 314 which are positioned in the steam channel 311 are arranged on the upper side surface of the valve body lower cover 31 at intervals, a preset first gap for steam to pass through is formed between the tops of the lower partition plates 314 and the lower side surface of the valve body upper cover 35, the upper partition plate 352 is arranged on the lower side surface of the valve body upper cover 35, the lower tail end of the upper partition plate 352 is positioned between two adjacent lower partition plates 314, and a preset second gap for steam to pass through is formed between the lower tail end of the upper partition plate 352 and the upper side surface of the valve body lower cover 31. This arrangement can increase the length of the steam passage 311 to increase the possibility of condensation of moisture in the steam, and the moisture in the steam is condensed and falls on the upper side surface of the valve body lower cover 31. Furthermore, the valve body lower cover 31 is an upper inclined surface which is gradually close to the steam outlet 351 from the first steam inlet 312, so that condensed water generated by steam in the steam channel 311 flows back to the first steam inlet 312 along the valve body lower cover 31, and then flows back into the pot body 1 from the first steam inlet 312, and the water loss in the heating cooking process in the pot body 1 can be reduced to the greatest extent.
A first end side of the valve body lower cover 31 is provided with a limiting sheet 315 which is obliquely arranged outwards, a second end side of the valve body lower cover 31 opposite to the first end side is provided with a clamping position 316, and correspondingly, a first clamping groove 353 and a second clamping groove 354 are respectively arranged at the first end side and the second end side of the valve body upper cover 35; during installation, the limiting piece 315 is inserted into the first clamping groove 353, and then the buckle 36 is buckled between the clamping portion 316 and the second clamping groove 354, so that the valve body lower cover 31 and the valve body upper cover 35 are detachably and fixedly connected. The detachable fixed connection structure of the valve body lower cover 31 and the valve body upper cover 35 provides a realization condition for cleaning the detachable pressure limiting valve.
Of course, in order to achieve the sealing performance of the connection between the valve body lower cover 31 and the valve body upper cover 35, a second sealing ring 34 or a sealing strip may be further provided between the valve body lower cover 31 and the valve body upper cover 35 as required.
As further shown in connection with fig. 6. The filter 4 is arranged at the lower tail end of the exhaust pipe 22, the filter 4 comprises a first mounting seat 41 and a filter screen 42 arranged in the middle of the first mounting seat 41, the first mounting seat 41 is fixedly arranged at the lower tail end of the exhaust pipe 22 in any one of the conventional detachable connection modes, the filter screen 42 is used for filtering food cooked in the pot body 1, and food particles are prevented from entering the pressure limiting valve 3 to influence the action of the valve ball 32; meanwhile, the filter screen 42 can break a large amount of liquid bubbles generated in the cooking process of heating in the pot body 1, and the overflow phenomenon caused by excessive liquid bubbles entering the pressure limiting valve 3 is prevented, so that the filter screen 42 also has the functions of breaking bubbles and preventing overflow, and the pressure limiting valve 3 can be ensured to be stably and reliably operated.
Again as shown in connection with figures 2-6. The pressure limiting valve 3 further comprises a sealing element 37 arranged below the first steam inlet 312, the sealing element 37 is integrally formed by soft materials such as rubber and silica gel, the sealing element 37 comprises a second mounting seat 371 connected with the first steam inlet 312 and a deformation part 372 arranged in the middle of the second mounting seat 371, and the deformation part 372 is provided with a gas passing hole 3721 communicated with the first steam inlet 312; the outer side surface of the second mounting seat 371 is provided with a sealing ring groove 3711, and the tail end of the limiting ring 23 is located in the sealing ring groove 3711. Therefore, the pressure-limiting valve 3 is connected with the limiting ring 23 in the exhaust pipe 22 in a sealing way through the sealing ring groove 3711, and the fixing structure is a soft fixing structure, so that the limiting valve 3 is not locked and fixed in the exhaust pipe 22. The technical effect that this kind of structure produced lies in: once the pressure limiting valve 3 is blocked accidentally, after the air pressure in the pot body 1 rises rapidly, when the upward pressure generated by the air pressure on the deformation portion 372 of the sealing member 37 is too large (for example, exceeds 1.5 to 2 times of the preset air pressure for heating and cooking in the pot body 1), the deformation portion 372 elastically deforms upward to pull the second mounting seat 371 to separate the sealing ring groove 3711 from the limiting ring 23, so that the pressure limiting valve 3 is separated from the exhaust pipe 22 as a whole, as shown in fig. 7; therefore, when the sealing element 37 detects that the pressure in the pot body 1 is too high and elastic deformation occurs, the pressure limiting valve 3 is integrally separated and is not sealed in the exhaust pipe 22 any more, and steam in the pot body 1 can be directly and quickly discharged through the exhaust pipe 22 without passing through the pressure limiting valve 3, so that the potential safety hazard of use when the pressure limiting valve 3 fails is avoided. Therefore, the utility model discloses a pressure limiting valve provides and prevents stifled oneself protect function, and the safety in utilization is very high.
Wherein, the aperture size of the air passing hole 3721 directly influences how much steam in the pot body 1 enters the pressure limiting valve 3, thereby influencing the upward pressure generated on the valve core 32. Generally, for the micro pressure cooker, the aperture of the air passing hole 3721 is preferably 1-10 mm.
In addition, the preset air pressure for heating and cooking in the pot body 1 is also related to the weight of the valve ball 32. For example, when the aperture of the air passing hole 3721 is set to 3-4mm and the weight of the valve ball 32 is 5-7g, the preset air pressure for heating and cooking in the pot body 1 can be kept constant at 2.5kPa-3.5kPa by the pressure limiting valve 3.
As shown in fig. 8 and 9, the present invention further discloses a micro pressure cooker, which comprises a heating base 6, a cooker body 1 arranged on the heating base 6 and a cooker cover covered on the cooker body 1, wherein the cooker cover comprises a cover body 2 and a pressure limiting valve 3 arranged on the cover body 2. Wherein, the heating seat 6 and the pan body 1 can be an integral structure or a split structure.
In addition, two opposite sides of the heating base 6 are provided with handles 61, the handles 61 are pivoted with gland hooks 7, and the gland hooks 7 are rotatably arranged on the handles 61; when the cover body 2 covers the pot body 1, the gland clamping hook 7 is only required to be turned upwards to the cover body 2, the gland clamping hook 7 can be clamped on the pot cover 2 to prevent the pot cover 2 from moving up and down, and the gland effect of pressing the cover body 2 on the pot body 1 is achieved. Otherwise, when the cover body 2 needs to be opened, the press cover hook 7 is turned downwards to be separated from the cover body 2, so that the operation is simple and the use is convenient.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (10)
1. A pressure limiting valve comprises a valve body and a valve ball, and is characterized in that the valve body comprises a valve body lower cover and a valve body upper cover arranged on the valve body lower cover, a first steam inlet is formed in the bottom of the valve body lower cover, a steam outlet is formed in the valve body upper cover, and a steam channel communicated between the first steam inlet and the steam outlet is formed between the valve body lower cover and the valve body upper cover; the valve ball is positioned in the steam channel and is pressed on the steam outlet.
2. The pressure limiting valve as claimed in claim 1, wherein a limiting cover is provided on an inner side surface of the lower cover of the valve body above the first steam inlet, the limiting cover and the first steam inlet enclose to form a limiting cavity, the valve ball is provided in the limiting cavity, and the limiting cover is provided with at least one through groove for communicating the limiting cavity with the steam channel.
3. The pressure limiting valve of claim 2 wherein the first steam inlet is larger in size than the valve ball, and a limiting end cap is provided at the first steam inlet, and a second steam inlet smaller in size than the valve ball is provided at the center of the limiting end cap, so that the valve ball is pressed against the second steam inlet.
4. The pressure limiting valve according to claim 1, 2 or 3, wherein the first steam inlet and the steam outlet are arranged in a staggered manner, and a steam blocking structure is arranged in the steam channel.
5. The pressure limiting valve of claim 4 wherein the vapor blocking structure comprises: a plurality of lower partition plates positioned in the steam channel are arranged on the upper side surface of the lower valve body cover at intervals, and a preset first gap for steam to pass through is formed between the top of each lower partition plate and the lower side surface of the upper valve body cover; an upper partition plate is arranged on the lower side face of the upper cover of the valve body, the lower end of the upper partition plate is located between two adjacent lower partition plates, and a preset second gap for steam to pass through is formed between the lower end of the upper partition plate and the upper side face of the lower cover of the valve body.
6. The pressure limiting valve of claim 4 wherein the lower cover of the valve body is an upper inclined surface gradually approaching the steam outlet from the first steam inlet.
7. A pot cover comprises a cover body, wherein a mounting position is arranged on the cover body, an exhaust pipe is arranged at one end of the mounting position, a limiting ring is arranged on the inner wall of the exhaust pipe, and a pressure limiting valve is detachably arranged in the exhaust pipe, and is characterized in that the pressure limiting valve is the pressure limiting valve in any one of claims 1-6.
8. The pot cover according to claim 7, wherein a sealing member is provided below the first steam inlet, the sealing member comprises a second mounting seat connected to the first steam inlet and a deformation part provided in the middle of the second mounting seat, the deformation part is provided with a gas passing hole communicated with the first steam inlet, the outer side surface of the second mounting seat is provided with a sealing ring groove, and the end of the limiting ring is located in the sealing ring groove.
9. The lid of claim 7, further comprising a filter, wherein the filter comprises a first mounting seat fixedly connected to the lower end of the exhaust pipe and a filter net disposed in the middle of the first mounting seat.
10. A micro-pressure cooker, which comprises a heating base, a cooker body arranged on the heating base and a cooker cover covered on the cooker body, and is characterized in that the cooker cover adopts the cooker cover of claim 7, 8 or 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020470994.4U CN211911298U (en) | 2020-04-02 | 2020-04-02 | Pressure limiting valve, pot cover and micro-pressure pot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020470994.4U CN211911298U (en) | 2020-04-02 | 2020-04-02 | Pressure limiting valve, pot cover and micro-pressure pot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211911298U true CN211911298U (en) | 2020-11-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020470994.4U Active CN211911298U (en) | 2020-04-02 | 2020-04-02 | Pressure limiting valve, pot cover and micro-pressure pot |
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| CN (1) | CN211911298U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112963813A (en) * | 2021-02-04 | 2021-06-15 | 山东爱客多热能科技有限公司 | Fast-steaming pressure-limiting type steam evaporator |
| CN114947505A (en) * | 2021-02-19 | 2022-08-30 | 上海爱餐机器人(集团)有限公司 | Pot cover for pot arranged on multifunctional cooking all-in-one machine |
| CN115177017A (en) * | 2022-07-18 | 2022-10-14 | 山东双量酒店管理有限公司 | Marinating device for sauced beef bones and manufacturing method thereof |
-
2020
- 2020-04-02 CN CN202020470994.4U patent/CN211911298U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112963813A (en) * | 2021-02-04 | 2021-06-15 | 山东爱客多热能科技有限公司 | Fast-steaming pressure-limiting type steam evaporator |
| CN112963813B (en) * | 2021-02-04 | 2022-10-11 | 山东爱客多热能科技有限公司 | Fast-steaming pressure-limiting type steam evaporator |
| CN114947505A (en) * | 2021-02-19 | 2022-08-30 | 上海爱餐机器人(集团)有限公司 | Pot cover for pot arranged on multifunctional cooking all-in-one machine |
| CN115177017A (en) * | 2022-07-18 | 2022-10-14 | 山东双量酒店管理有限公司 | Marinating device for sauced beef bones and manufacturing method thereof |
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