CN109330310B - Rotary buffer device for meal furnace cover - Google Patents
Rotary buffer device for meal furnace cover Download PDFInfo
- Publication number
- CN109330310B CN109330310B CN201811353390.5A CN201811353390A CN109330310B CN 109330310 B CN109330310 B CN 109330310B CN 201811353390 A CN201811353390 A CN 201811353390A CN 109330310 B CN109330310 B CN 109330310B
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- CN
- China
- Prior art keywords
- cover
- resistance
- meal
- buffer
- shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 235000012054 meals Nutrition 0.000 title claims abstract description 84
- 238000007789 sealing Methods 0.000 claims description 43
- 238000009434 installation Methods 0.000 claims description 21
- 239000004519 grease Substances 0.000 abstract description 20
- 230000009471 action Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000003921 oil Substances 0.000 description 8
- 230000008901 benefit Effects 0.000 description 3
- 235000013305 food Nutrition 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 235000003166 Opuntia robusta Nutrition 0.000 description 2
- 244000218514 Opuntia robusta Species 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47G—HOUSEHOLD OR TABLE EQUIPMENT
- A47G19/00—Table service
- A47G19/12—Vessels or pots for table use
- A47G19/127—Vessels or pots for table use with means for keeping liquid cool or hot
Landscapes
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
- Food-Manufacturing Devices (AREA)
Abstract
The invention discloses a rotary buffer device for a meal furnace cover, which comprises a mounting shell and a rotary connecting piece, wherein the mounting shell is used for being mounted on a furnace frame, the rotary connecting piece is used for being connected with the meal furnace cover in a rotary mode, the rotary connecting piece is connected with the mounting shell in a rotary mode through a rotary shaft, the rotary shaft is connected with a buffer rotor through an overrun clutch, a resistance oil cavity filled with resistance oil is arranged between the buffer rotor and the mounting shell, and the overrun clutch is in an overrun state when the meal furnace cover connected with the rotary connecting piece is uncapped. Compared with the prior art, the invention can lead the meal furnace cover to slowly descend, avoid the situation that the meal furnace cover quickly collides with the meal furnace tray and the furnace frame to generate noise, has simpler structure and lower part processing difficulty compared with a hydraulic buffer, and greatly reduces the production cost; when the cover of the meal furnace needs to be opened, the overrun clutch is in an overrun state, the rotating shaft cannot transmit torque to the buffer rotor, and the resistance action of resistance grease cannot be generated when the cover is opened, so that the use of people is facilitated.
Description
Technical Field
The invention belongs to the field of buffer devices, and particularly relates to a rotary buffer device.
Background
The dinner stove is used as a container for containing food, and is mainly used for restaurants, dining rooms and hotels, and a dinner stove cover is arranged above a dinner plate to play a certain role in heat preservation. The meal furnace cover of a general meal furnace is mostly directly arranged on a furnace frame through a hinge mechanism, and when the meal furnace cover is closed, noise is generated due to the fact that the meal furnace cover is fast and frequently collided with a meal furnace tray and the furnace frame, the meal atmosphere is affected, and the meal furnace cover is damaged after long-time use. In order to solve the problem, some meal furnaces in the market adopt a hydraulic buffer to connect the dinner plate body with the meal furnace cover, so that when the meal furnace cover falls down, a certain rotation resistance is provided by utilizing the flowing buffer function between hydraulic oil, and the meal furnace cover slowly falls down. However, the hydraulic buffer is arranged at the rotating shaft of the meal furnace cover, so that the structure is complex, the parts are difficult to process, the assembly difficulty is high, and the turnover resistance is also generated when the meal furnace cover is opened, so that the production cost is high, and the use is very inconvenient.
Disclosure of Invention
In order to overcome the defects of the prior art, one embodiment of the invention provides the rotary buffer device for the meal furnace cover, which has the advantages of simple structure, low production cost and more convenient use.
The technical scheme adopted by the embodiment of the invention for solving the technical problems is as follows:
the utility model provides a meal bell rotates buffer, including being used for installing the installation shell on the stove frame, be used for connecting the rotation connecting piece of meal bell, rotate the connecting piece through the pivot with the installation shell rotates to be connected, the pivot is connected with buffer rotor through overrun clutch, buffer rotor with be equipped with the resistance oil pocket that is full of resistance grease between the installation shell, overrun clutch is in overrun state when rotating the meal bell of connecting piece connection and uncapping.
As an improvement of the scheme, a plurality of uniformly distributed resistance convex blocks are arranged on the outer side of the buffer rotor.
As a further improvement of the scheme, the resistance convex blocks are provided with resistance increasing grooves.
Further, the installation shell comprises a resistance shell arranged on the outer side of the buffer rotor, a first end face sealing cover and a second end face sealing cover which are respectively arranged at two ends of the resistance shell, and a resistance oil cavity is formed among the resistance shell, the first end face sealing cover, the second end face sealing cover and the buffer rotor.
Further, a first sealing ring is arranged between the first end face sealing cover and the buffer rotor, and a second sealing ring is arranged between the second end face sealing cover and the buffer rotor.
Further, the installation shell further comprises a connection shell connected with the furnace frame, a positioning groove is formed in one end of the connection shell, and a positioning block is arranged at the position, corresponding to the positioning groove, of the first end face sealing cover.
Further, a mounting nut is arranged at the position of the connecting shell corresponding to the second end face sealing cover.
Further, a positioning sleeve is arranged on the rotating shaft, a positioning ball is arranged on the positioning sleeve, and a positioning circular groove matched with the positioning ball is arranged on the mounting shell.
Further, both ends of the rotating shaft penetrate out of the installation shell and both ends of the rotating shaft are connected with the rotating connecting piece.
Further, decorative covers are arranged at two ends of the rotating shaft.
The beneficial effects of one embodiment of the invention are that: compared with the prior art, the rotary shaft is connected with the meal furnace cover through the rotary connecting piece and is connected with the buffer rotor through the overrun clutch, the resistance grease is utilized in the mounting shell to provide the rotary resistance of the buffer rotor, so that the rotary shaft transmits torque to the buffer rotor when the meal furnace cover is closed, the buffer rotor slowly rotates under the rotary resistance of the damping grease, the meal furnace cover can slowly descend, the situation that the meal furnace cover quickly collides with a meal furnace plate and a furnace frame to generate noise is avoided, the meal atmosphere is not influenced, the damage of the meal furnace cover is reduced, the service life of the meal furnace cover is prolonged, and compared with a hydraulic buffer, the structure is simpler, the part processing difficulty is reduced, the production cost is greatly reduced, and the benefits of manufacturers are facilitated; when the cover of the meal furnace needs to be opened, the overrun clutch is in an overrun state, the rotating shaft cannot transmit torque to the buffer rotor, and the resistance action of resistance grease cannot be generated when the cover is opened, so that the use of people is facilitated.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a schematic view of an embodiment of the present invention mounted on a meal stove;
FIG. 2 is an exploded schematic view of an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of a resistor assembly according to one embodiment of the invention;
FIG. 4 is a schematic structural view of a buffer rotor according to an embodiment of the present invention;
FIG. 5 is a schematic view of the installation of a resistance housing and a first end seal cover in accordance with one embodiment of the invention.
Detailed Description
Referring to fig. 1 to 3, a meal furnace cover rotation buffer device comprises a mounting shell 1 arranged on a furnace frame 8 and a rotation connecting piece 2 used for connecting a meal furnace cover 9, wherein the rotation connecting piece 2 is rotationally connected with the mounting shell 1 through a rotating shaft 3, the rotating shaft 3 is connected with a buffer rotor 4 through an overrun clutch 31, a resistance oil cavity 5 filled with resistance oil is arranged between the buffer rotor 4 and the mounting shell 1, and the overrun clutch 31 is in an overrun state when the meal furnace cover 9 connected with the rotation connecting piece 2 is opened. The installation shell 1 is used for cladding and protecting the rotating shaft 3 and is matched with resistance grease to slow down the rotation action of the buffer rotor 4. The rotary connecting piece 2 is used for connecting the meal furnace cover 9 with the rotary shaft 3, so that the rotary shaft 3 and the meal furnace cover 9 rotate together. The rotating shaft 3 is connected with the buffer rotor 4 through the overrunning clutch 31, wherein the rotating shaft 3 is connected with the inner ring of the overrunning clutch 31, and the buffer rotor 4 is connected with the outer ring of the overrunning clutch 31; when the meal furnace cover 9 is opened, the rotating shaft 3 rotates along with the meal furnace cover 9, at the moment, the inner ring and the outer ring of the overrunning clutch 31 are in a relative sliding state, namely in an overrunning state, the rotating shaft 3 cannot transmit torque to the buffer rotor 4, so that the buffer rotor 4 is static and cannot rotate, the meal furnace cover 9 cannot generate rotating resistance when being opened, people can easily open the meal furnace cover 9, and the use is more convenient; after people open the meal furnace cover 9 and get the food on the meal furnace tray, the meal furnace cover 9 needs to be closed, the meal furnace cover 9 falls down to close the cover, the rotating shaft 3 is driven by the rotating connector 2 when the meal furnace cover 9 falls down, the overrunning clutch 31 is in an overrunning state when the cover is opened, the rotating shaft 3 is in a joint state when the cover is closed, namely, the rotating shaft 3 can transmit torque to the buffer rotor 4 through the overrunning clutch 31, resistance grease is filled between the outer side of the buffer rotor 4 and the mounting shell 1, the resistance grease can provide rotating resistance for the buffer rotor 4 so as to slow down the rotating speed of the buffer rotor 4, the meal furnace cover 9 slowly falls down, the situation that the meal furnace cover 9 falls down fast and collides with the meal furnace tray and the furnace frame 8 to generate noise is avoided, the dining atmosphere is not influenced, the damage of the meal furnace cover 9 is reduced, and the service life of the meal furnace cover 9 is prolonged.
Referring to fig. 4, preferably, in order to increase the resistance between the damper rotor 4 and the resistance grease, a plurality of resistance protrusions 41 are provided on the outer side of the damper rotor 4 to be uniformly distributed. When the buffer rotor 4 rotates, the resistance protruding block 41 is driven, and the resistance protruding block 41 can stir resistance grease in the resistance oil cavity 5, so that the resistance grease can improve the rotation resistance to the buffer rotor 4, the descent of the meal furnace cover 9 is slower, and the buffer descent effect of the meal furnace cover 9 is better. In addition, according to practical situations, the resistance protruding block 41 arranged on the buffer rotor 4 can be replaced by a plurality of resistance poking plates or resistance poking columns which are uniformly distributed, and the like, so that the structure of providing rotation resistance for the buffer rotor 4 can be realized.
Referring to fig. 4, the resistance bump 41 is preferably provided with a resistance increasing groove 42 in order to further ensure a slow descent of the lid 9 of the meal. By arranging the resistance increasing grooves 42, the flowing speed of the resistance protruding blocks 41 of the resistance grease on the buffer rotor 4 can be reduced, the higher rotating resistance can be improved, the rotating speed of the buffer rotor 4 is smaller, the descending speed of the meal furnace cover 9 is slower, and the meal furnace cover 9 can not make any sound when being closed.
Referring to fig. 1 to 5, preferably, for convenience of assembly, the installation housing 1 includes a resistance housing 11 disposed outside the damper rotor 4, a first end face seal cover 12 and a second end face seal cover 13 disposed at both ends of the resistance housing 11, respectively, and the resistance housing 11, the first end face seal cover 12, the second end face seal cover 13, and the damper rotor 4 form the resistance oil chamber 5 therebetween. By adopting the mode of sealing the two ends, the resistance oil can be better filled into the resistance oil cavity 5, and the assembly is more convenient.
Referring to fig. 3, preferably, in order to avoid leakage of the resistive grease, a first seal ring 6 is disposed between the first end face seal cover 12 and the buffer rotor 4, and a second seal ring 7 is disposed between the second end face seal cover 13 and the buffer rotor 4. The first sealing ring 6 is used for sealing a gap between the first end face sealing cover 12 and the buffer rotor 4, the second sealing ring 7 is used for sealing a gap between the second end face sealing cover 13 and the buffer rotor 4, so that resistance grease can be effectively prevented from leaking, maintenance is convenient, and pollution caused by leakage of the resistance grease is avoided.
Referring to fig. 2 and 5, preferably, for more convenient installation and easy replacement of resistance grease, the installation housing 1 further includes a connection housing 14 connected to the stove rack 8, a positioning slot is provided at one end of the connection housing 14, and a positioning block 121 is provided at a position of the first end face seal cover 12 corresponding to the positioning slot. The connecting shell 14 is directly connected and fixed on the furnace frame 8, the connecting shell 14 and the resistance shell 11 are fixedly positioned by matching the positioning block 121 with the positioning groove, so that the resistance shell 11, the rotating shaft 3, the resistance grease, the buffer rotor 4 and the overrunning clutch 31 form a resistance component generating resistance, the resistance component can be directly detached from the connecting shell 14, namely, when the resistance component is problematic and needs to be replaced, the whole resistance component is directly replaced to be replaced by a new resistance component, the connecting shell 14 connected with the meal furnace is not detached to be replaced, the replacement is more convenient, and the use is more convenient. In addition, the connection shell 14 and the resistance housing 11 may be positioned by a positioning pin or a positioning bolt according to actual circumstances.
Preferably, in order to facilitate the assembly and disassembly of the resistor assembly, the connecting shell 14 is provided with a mounting nut 15 at a position corresponding to the second end face sealing cover 13. Namely, the mounting nut 15 can press the resistance housing 11, the first end face sealing cover 12 and the second end face sealing cover 13 towards the positioning groove, so that the positioning is quickly inserted into the positioning groove, the resistance housing 11 and the connecting housing 14 are fixed, the rotation of the resistance housing 11 during closing is avoided, and the sufficient rotation resistance is ensured to be provided for the buffer rotor 4. When the resistor assembly is replaced, the mounting nut 15 can be unscrewed for replacement, and the operation is convenient. After the replacement, the resistor assembly can be installed by directly screwing the mounting nut 15. In addition, the mounting nut 15 may be replaced with a positioning press-fitting assembly such as a rubber plug or a positioning pin.
Referring to fig. 2, preferably, in order to position the cover 9 when it is opened to the top, the rotating shaft 3 is provided with a positioning sleeve 32, the positioning sleeve 32 is provided with a positioning ball 321, and the mounting housing 1 is provided with a positioning circular groove matched with the positioning ball 321. When the meal furnace cover 9 is opened to the top, the positioning ball 321 is matched with the positioning round groove to fix the meal furnace cover 9, so that the meal furnace cover 9 cannot fall off when people clamp food. When closing the cover, people can directly let the meal furnace cover 9 to be closed, because the positioning ball 321 can roll out of the positioning circular groove under the action of the force of people, and the meal furnace cover 9 descends by oneself. In addition, positioning can be performed by positioning pins, positioning bolts, or the like.
Referring to fig. 3, preferably, for more uniform stress, both ends of the rotating shaft 3 penetrate out of the mounting housing 1 and both ends are connected to the rotating connector 2. Namely, the two ends of the rotating shaft 3 are connected with the rotating connecting piece 2, the overrunning clutch 31 and the buffer rotor 4 are corresponding to the middle part of the rotating shaft 3, the stress is more uniform when the rotating shaft 3 rotates, and the rotating shaft is more stable when rotating. In order to facilitate the installation, both ends of the rotating shaft 3 are provided with installation joints 34 installed with the rotating connecting piece 2, wherein one of the installation joints 34 is detachable and is installed on the rotating shaft 3 by adopting a set screw. When the rotating shaft 3 is installed, one end of the rotating shaft 3 can be inserted into the installation shell 1, and then the detachable installation joint 34 is installed on the rotating shaft 3, so that the installation of the rotating shaft 3 can be realized.
In order to facilitate installation and processing, the connecting shell 14 is provided with a positioning sealing piece 141 at a position corresponding to the first end face sealing cover 12, and the positioning groove and the positioning circular groove are respectively arranged at two sides of the positioning sealing piece 141, so that the positioning balls 321 and the positioning blocks 121 are convenient to set and install. Moreover, in order to better rotate the rotating shaft 3, the first sealing ring 6, the second sealing ring 7, the positioning sealing piece 141 and the mounting nut 15 are provided with through holes for the rotating shaft 3 to pass through. Preferably, the first sealing ring 6 and the second sealing ring 7 are both silica gel sealing rings, so that the wear resistance is better. In addition, the first sealing ring 6 and the second sealing ring 7 may be rubber sealing rings, plastic sealing rings, and the like.
Referring to fig. 1 and 2, it is preferable that decorative covers 33 are installed at both ends of the rotating shaft 3 for making the whole more beautiful. The decorative cover 33 is mounted on the rotating shaft 3 by screws. The size of the decorative cover 33 is matched with that of the installation shell 1, so that the rotating shaft 3 assembly can be perfectly sealed, and foreign substances are not polluted.
Compared with the prior art, the rotary shaft 3 is connected with the meal furnace cover 9 through the rotary connecting piece 2 and is connected with the buffer rotor 4 by adopting the overrunning clutch 31, the rotary resistance of the buffer rotor 4 is provided by utilizing resistance grease in the mounting shell 1, the rotary shaft 3 transmits torque to the buffer rotor 4 when the meal furnace cover 9 is closed, the buffer rotor 4 slowly rotates under the rotation resistance of the damping grease, the meal furnace cover 9 can slowly descend, the situation that the meal furnace cover 9 quickly collides with a meal furnace tray and a furnace frame 8 to generate noise is avoided, the dining atmosphere is not influenced, the damage of the meal furnace cover 9 is reduced, the service life of the meal furnace cover 9 is prolonged, compared with a hydraulic buffer, the structure is simpler, the part processing difficulty is reduced, the production cost is greatly reduced, and the benefit of a manufacturer is facilitated; when the cover 9 of the meal furnace needs to be opened, the overrun clutch 31 is in an overrun state, the rotating shaft 3 can not transmit torque to the buffer rotor 4, so that the resistance action of resistance grease can not exist when the cover is opened, and the use of people is facilitated.
The present invention is not limited to the above embodiments, but can be achieved by any similar or identical means.
Claims (8)
1. The utility model provides a meal bell rotates buffer which characterized in that: the rotary connecting piece comprises a mounting shell (1) used for being mounted on a stove frame (8) and a rotary connecting piece (2) used for being connected with a meal stove cover (9), wherein the rotary connecting piece (2) is rotationally connected with the mounting shell (1) through a rotary shaft (3), the rotary shaft (3) is connected with a buffer rotor (4) through an overrun clutch (31), a resistance oil cavity (5) filled with resistance oil is arranged between the buffer rotor (4) and the mounting shell (1), and the overrun clutch (31) is in an overrun state when the meal stove cover (9) connected with the rotary connecting piece (2) is opened; the outer side of the buffer rotor (4) is provided with a plurality of resistance convex blocks (41) which are uniformly distributed; the resistance convex block (41) is provided with a resistance increasing groove (42).
2. A cover rotation buffer device for a meal stove according to claim 1, wherein: the mounting shell (1) comprises a resistance shell (11) arranged on the outer side of the buffer rotor (4), a first end face sealing cover (12) and a second end face sealing cover (13) which are respectively arranged at two ends of the resistance shell (11), and a resistance oil cavity (5) is formed between the resistance shell (11) and the first end face sealing cover (12) and between the second end face sealing cover (13) and the buffer rotor (4).
3. A cover rotation buffer device for a meal stove according to claim 2, wherein: a first sealing ring (6) is arranged between the first end face sealing cover (12) and the buffer rotor (4), and a second sealing ring (7) is arranged between the second end face sealing cover (13) and the buffer rotor (4).
4. A cover rotation buffer device for a meal stove according to claim 2, wherein: the installation shell (1) further comprises a connection shell (14) connected with the furnace frame (8), a positioning groove is formed in one end of the connection shell (14), and a positioning block (121) is arranged at the position, corresponding to the positioning groove, of the first end face sealing cover (12).
5. The meal furnace lid rotation buffer device of claim 4, wherein: and a mounting nut (15) is arranged at the position of the connecting shell (14) corresponding to the second end face sealing cover (13).
6. A cover rotation buffer device for a meal stove according to any one of claims 1 to 5, wherein: the rotary shaft (3) is provided with a positioning sleeve (32), the positioning sleeve (32) is provided with a positioning ball (321), and the mounting shell (1) is provided with a positioning round groove matched with the positioning ball (321).
7. A cover rotation buffer device for a meal stove according to any one of claims 1 to 5, wherein: both ends of the rotating shaft (3) penetrate out of the installation shell (1) and both ends of the rotating shaft are connected with the rotating connecting piece (2).
8. The meal furnace lid rotation buffer device of claim 7, wherein: decorative covers (33) are arranged at two ends of the rotating shaft (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811353390.5A CN109330310B (en) | 2018-11-14 | 2018-11-14 | Rotary buffer device for meal furnace cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811353390.5A CN109330310B (en) | 2018-11-14 | 2018-11-14 | Rotary buffer device for meal furnace cover |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109330310A CN109330310A (en) | 2019-02-15 |
| CN109330310B true CN109330310B (en) | 2024-04-02 |
Family
ID=65315529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811353390.5A Active CN109330310B (en) | 2018-11-14 | 2018-11-14 | Rotary buffer device for meal furnace cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109330310B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114194666B (en) * | 2021-12-16 | 2023-03-24 | 厦门芯阳科技股份有限公司 | Intelligent garbage cover buffer control method, buffer device and intelligent garbage can |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102406407A (en) * | 2011-11-18 | 2012-04-11 | 银都餐饮设备股份有限公司 | Meal furnace |
| CN202249395U (en) * | 2011-09-13 | 2012-05-30 | 日升五金制品（深圳）有限公司 | Damping hinge device |
| CN106175365A (en) * | 2016-08-31 | 2016-12-07 | 曹兆文 | A kind of meal bell Novel buffering device |
| CN209331646U (en) * | 2018-11-14 | 2019-09-03 | 曹兆文 | A kind of meal bell rotation buffer unit |
-
2018
- 2018-11-14 CN CN201811353390.5A patent/CN109330310B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202249395U (en) * | 2011-09-13 | 2012-05-30 | 日升五金制品（深圳）有限公司 | Damping hinge device |
| CN102406407A (en) * | 2011-11-18 | 2012-04-11 | 银都餐饮设备股份有限公司 | Meal furnace |
| CN106175365A (en) * | 2016-08-31 | 2016-12-07 | 曹兆文 | A kind of meal bell Novel buffering device |
| CN209331646U (en) * | 2018-11-14 | 2019-09-03 | 曹兆文 | A kind of meal bell rotation buffer unit |
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| Publication number | Publication date |
|---|---|
| CN109330310A (en) | 2019-02-15 |
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