CN111972935B - Drinking cup capable of circularly flowing liquid - Google Patents
Drinking cup capable of circularly flowing liquid Download PDFInfo
- Publication number
- CN111972935B CN111972935B CN202010819890.4A CN202010819890A CN111972935B CN 111972935 B CN111972935 B CN 111972935B CN 202010819890 A CN202010819890 A CN 202010819890A CN 111972935 B CN111972935 B CN 111972935B
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- cup
- liquid
- wall
- handle
- pumping
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- 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
- A47G19/22—Drinking vessels or saucers used for table service
- A47G19/2205—Drinking glasses or vessels
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- 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
- A47G19/22—Drinking vessels or saucers used for table service
- A47G19/2205—Drinking glasses or vessels
- A47G19/2211—Lip- or moustache-protecting devices for drinking glasses; Strainers set in a movable or fixed manner in the glasses
-
- 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
- A47G19/22—Drinking vessels or saucers used for table service
- A47G19/2288—Drinking vessels or saucers used for table service with means for keeping liquid cool or hot
Abstract
The invention discloses a drinking cup capable of enabling contained liquid to flow circularly, and belongs to the technical field of cups. The utility model provides a can make splendid attire liquid circulation flow's cup of drinking, comprising a cup body, the cup handle, the drive structure, the pumping structure, filter screen and circulation structure, circulation structure locates in the cup handle and is linked together with cup inside, circulation structure can supply the liquid in the cup to get into and flow out to the cup from the cup in upper portion from the cup bottom, accomplish the circulation flow of liquid, the pumping structure is located the circulation structure outer wall, and the pumping structure is used for sending out liquid to the cup from circulation structure again in the liquid pumping circulation structure of cup bottom, can pass through the drive structure, the circulation flow of liquid in the cup is realized in the setting of pumping structure and circulation structure, possess in the acceleration cup liquid flow with higher speed liquid cooling, the mixing speed that makes the internal mixing liquid of cup accelerates, be difficult for producing advantages such as sediment in the cup.
Description
Technical Field
The invention relates to the technical field of cups, in particular to a drinking cup capable of enabling contained liquid to flow circularly.
Background
The cup (a vessel special for containing water) is used for drinking wine or drinking tea from ancient times to present. Cups for drinking tea in the ancient times were called cover bowls. The basic shape is mostly a straight mouth or an open mouth, and the diameter of the mouth edge is approximately equal to the height of the cup. With flat, circular or tall feet. Archaeological data suggest that the earliest cups began to be seen in the age of neolithology. The cup type in the time period has the most peculiar varieties of pottery cups in Yangshao culture, Longshan culture and He Mu Du culture sites, namely cups with single ears or double ears with ears, cones, three-foot cups, Gu-shaped cups, high-handle cups and the like, and can be divided into glass cups, plastic cups, ceramic cups, wood cups and the like according to different manufacturing materials.
Some current cups of taking handle are in the use, and the cup only has the function of flourishing water, do not possess other effects, for example when the splendid attire has hot water in the cup, wait that the temperature of water reduces some and can drink, and the time of waiting to cool down is longer, when the splendid attire has mixability hot beverage in the cup, need stir with the help of external instrument like ladle chopsticks etc. and it is comparatively inconvenient to use.
Disclosure of Invention
1. Technical problem to be solved
The invention aims to provide a drinking cup capable of circularly flowing contained liquid, which can realize the circular flow of the liquid in the cup body through the arrangement of a driving structure, a pumping structure and a circulating structure and has the advantages of accelerating the flow of the liquid in the cup body to accelerate the temperature reduction of the liquid, accelerating the mixing speed of mixed liquid in the cup body, being not easy to generate sediment in the cup body and the like.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A drinking cup capable of making contained liquid flow circularly comprises a cup body, a cup handle, a driving structure, a pumping structure, a filter screen and a circulating structure;
the circulating structure is arranged in the cup handle and communicated with the inside of the cup body, and liquid in the cup body can enter from the bottom of the cup handle and flow out from the upper part of the cup handle into the cup body, so that the circulating flow of the liquid is completed;
the pumping structure is arranged on the outer wall of the circulation structure and is used for pumping the liquid at the bottom of the cup body into the circulation structure and then delivering the liquid into the cup body from the circulation structure;
the driving structure is arranged on the cup handle and can move longitudinally to drive the pumping structure to pump in and out liquid;
the filter screen card connects on the inner wall that the cup is close to the bottom side, and the filter screen is used for filtering liquid impurity so that liquid impurity is difficult for blockking up the circulation structure.
Further, the circulation structure includes drain pipe, first check valve, feed liquor pipe and second check valve, drain pipe and first check valve all through connection are in cup handle, the under shed end of drain pipe is fixed with the upper shed end of feed liquor pipe mutually, first check valve sets firmly in the upper shed end of drain pipe, the second check valve sets firmly in the upper shed end of feed liquor pipe, the under shed end of feed liquor pipe extends to in the cup, and the filter screen is located the upside of the under shed end of feed liquor pipe, the pumping structure is located between drain pipe and the feed liquor pipe, through the pumping effect of pumping structure, with the liquid in the cup through the suction of feed liquor pipe, through the delivery operation of pumping structure again, will get into in the feed liquor pipe through the feed liquor pipe entering drain pipe, again through first check valve entering cup in, accomplish the circulation flow of liquid in the cup.
Furthermore, the second check valve sets up for the slope, when making the pump structure pump the liquid in the feed liquor pipe to the play liquid pipe, through the second check valve that the slope set up for liquid can be more smooth and easy in being pumped to the play liquid pipe, is difficult for producing liquid and piles up the phenomenon.
Furthermore, the pumping structure comprises a sleeve fixedly arranged between the lower opening end of the liquid outlet pipe and the upper opening end of the liquid inlet pipe, a piston connected in the sleeve in a sliding way and a return spring arranged between the piston and the right inner wall of the sleeve, the sleeve penetrates through the inner side wall of the cup handle, one end of the return spring is fixed with the right inner wall of the sleeve, the other end of the return spring is contacted with a piston, the piston is connected with the driving structure, the piston is in clearance fit with the inner wall of the sleeve, when the liquid in the cup body is pumped into the liquid inlet pipe, the driving structure moves downwards, the driving piston moves towards the direction close to the right inner wall of the sleeve in the sleeve, and the return spring is compressed at the same time, further, the liquid can be pumped into the liquid inlet pipe, after the driving structure is released, the piston moves towards the direction of restoring the original position, and then the liquid entering the liquid inlet pipe can be conveyed into the liquid outlet pipe and then enters the cup body through the liquid outlet pipe.
Furthermore, the driving structure comprises a lower pressing part, a driving part fixedly arranged at the bottom end of the lower pressing part, a tension rope fixedly arranged between the driving part and the piston and a compression spring arranged between the lower pressing part and the outer wall of the upper side of the cup handle, the bottom end of the driving part penetrates through the cup handle and extends to the inner side of the cup handle, the tension rope penetrates through the right inner wall of the sleeve, one end of the compression spring is contacted with the outer wall of the upper side of the cup handle, the other end of the compression spring is contacted with the bottom end of the lower pressing part, the driving part is arranged at the inner side of the compression spring, the upper part of the lower pressing part is of an arc-shaped structure, the thumb of a user is convenient to press, when the lower pressing part is pressed, the compression spring is compressed, the lower pressing part drives the driving part to move downwards, the driving part drives the tension rope to move when the driving part moves downwards, and then the tension rope drives the piston to move towards the direction close to the right inner wall of the sleeve, so that the liquid in the cup is pumped into the liquid inlet pipe, the liquid enters the sleeve through the second one-way valve, after the pressing part is released, the pressing part, the driving part and the pull rope move towards the direction of restoring the original position under the elastic action of the compression spring, and meanwhile, the piston moves towards the direction of restoring the original position under the elastic action of the return spring, so that the liquid is sent back into the cup body through the liquid outlet pipe.
Furthermore, the diameter of the driving part is smaller than the inner diameter of the liquid outlet pipe, so that the driving part is not easy to block a liquid flow channel of the liquid outlet pipe.
Further, compression spring outside cover is equipped with the protective sheath, protective sheath wherein one end and cup contact the upside outer wall, and the protective sheath other end is fixed with the bottom end that pushes down, because of compression spring directly exposes in the outside air, makes compression spring be difficult for directly contacting with the outside air through the setting up of protective sheath, and then compression spring is difficult for the moist moisture in the air to corrode, improves compression spring's life.
Furthermore, the outer wall of the cup handle close to the lower side is fixedly provided with the supporting handle, so that when a user holds the cup handle, the user can place a little finger on the supporting handle, and the stability of holding the cup handle by the user is improved.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) this scheme can be through drive structure, pump sending structure and circulation structure set up the circulation flow that realizes the liquid in the cup, possesses the liquid flow in the acceleration cup in order to accelerate liquid cooling, make the mixing velocity of the internal mixing liquid of cup accelerate, the cup in be difficult for producing advantages such as sediment.
(2) The arrangement of the filter screen enables impurities possibly contained in the liquid to be difficult to enter the circulation structure in the circulating flowing process of the liquid in the cup body, and further the blockage of the circulation structure is difficult to cause.
(3) Compared with the mode of pumping the liquid into the flow structure from the top, when the liquid is drunk to the liquid level lower than the upper end surface of the cup handle, the liquid cannot be pumped from the top, so that the liquid is pumped into the flow structure from the bottom better.
(4) The mounting positions of the driving structure and the pumping structure are not easy to cause obstruction when a user holds the cup handle.
(5) The arc structure on the upper portion of the pressing portion is convenient for a user to press, and is matched with the radian of a hand when the user presses, so that the hand pressing device is more comfortable to use.
Drawings
Fig. 1 is a schematic perspective view of a first embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view illustrating a first embodiment of the present invention;
FIG. 3 is a schematic view of the structure at A in FIG. 2;
FIG. 4 is a schematic cross-sectional view of a driving structure, a driving structure and a flow-through structure according to a first embodiment of the present invention;
fig. 5 is a schematic structural diagram of a second part of the embodiment of the present invention.
The reference numbers in the figures illustrate:
the cup comprises a cup body 1, a cup handle 2, a support handle 21, a drive structure 3, a pressing-down part 31, a drive part 32, a compression spring 33, a tension rope 34, a protective sleeve 35, a pumping structure 4, a sleeve 41, a piston 42, a return spring 43, a filter screen 5, a liquid outlet pipe 61, a first one-way valve 62, a liquid inlet pipe 63 and a second one-way valve 64.
Detailed Description
The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.
The first embodiment is as follows:
referring to fig. 1-4, a drinking cup capable of circulating liquid includes a cup body 1, a handle 2, a driving structure 3, a pumping structure 4, a filter screen 5 and a circulating structure.
The circulating structure is arranged in the cup handle 2 and communicated with the inside of the cup body 1, the circulating structure can allow liquid in the cup body 1 to enter from the bottom of the cup handle 2 and flow out from the upper part of the cup handle 2 to the inside of the cup body 1, and complete the circulating flow of the liquid, the circulating structure comprises a liquid outlet pipe 61, a first one-way valve 62, a liquid inlet pipe 63 and a second one-way valve 64, the liquid outlet pipe 61 and the first one-way valve 62 are both connected to the cup handle 2 in a penetrating way, the lower opening end of the liquid outlet pipe 61 is fixed with the upper opening end of the liquid inlet pipe 63, the first one-way valve 62 is fixedly arranged at the upper opening end of the liquid outlet pipe 61, the second one-way valve 64 is fixedly arranged at the upper opening end of the liquid inlet pipe 63, the lower opening end of the liquid inlet pipe 63 extends into the cup body 1, the filter screen 5 is positioned at the upper side of the lower opening end of the liquid inlet pipe 63, the pumping structure 4 is arranged between the liquid outlet pipe 61 and the liquid inlet pipe 63, and the liquid inlet pipe 63 is pumped into the cup body 1 by the pumping effect of the pumping structure 4, then, by the discharge operation of the pumping structure 4, the liquid entering the liquid inlet pipe 63 enters the liquid outlet pipe 61 through the liquid inlet pipe 63, and enters the cup body 1 through the first one-way valve 62, thereby completing the circular flow of the liquid in the cup body 1.
The pumping structure 4 is arranged on the outer wall of the circulation structure, the pumping structure 4 is used for pumping the liquid at the bottom of the cup body 1 into the circulation structure and then delivering the liquid into the cup body 1 from the circulation structure, the pumping structure 4 comprises a sleeve 41 fixedly arranged between the lower opening end of the liquid outlet pipe 61 and the upper opening end of the liquid inlet pipe 63, a piston 42 connected in the sleeve 41 in a sliding way and a return spring 43 arranged between the piston 42 and the right inner wall of the sleeve 41, the sleeve 41 penetrates through the inner side wall of the cup handle 2, one end of the return spring 43 is fixed with the right inner wall of the sleeve 41, the other end of the return spring 43 is contacted with the piston 42, the piston 42 is connected with the driving structure 3, the piston 42 is in clearance fit with the inner wall of the sleeve 41, when the liquid in the cup body 1 is pumped into the liquid inlet pipe 63, the driving structure 3 moves downwards, the piston 42 is driven to move towards the direction close to the right inner wall of the sleeve 41 in the sleeve 41, and the return spring 43 is compressed at the same time, further, liquid can be pumped into the liquid inlet pipe 63, after the driving structure 3 is loosened, the piston 42 moves towards the direction of restoring the original position, and then the liquid entering the liquid inlet pipe 63 can be conveyed into the liquid outlet pipe 61 and then enters the cup body 1 through the liquid outlet pipe 61.
The driving structure 3 is arranged on the cup handle 2 and can move longitudinally for driving the pumping structure 4 to pump in and out liquid, the driving structure 3 comprises a pressing part 31, a driving part 32 fixed at the bottom end of the pressing part 31, a tension rope 34 fixed between the driving part 32 and the piston 42, and a compression spring 33 arranged between the pressing part 31 and the outer wall of the upper side of the cup handle 2, the bottom end of the driving part 32 penetrates through the cup handle 2 and extends to the inner side of the cup handle 2, the tension rope 34 penetrates through the right inner wall of the sleeve 41, one end of the compression spring 33 is contacted with the outer wall of the upper side of the cup handle 2, the other end of the compression spring 33 is contacted with the bottom end of the pressing part 31, the driving part 32 is positioned at the inner side of the compression spring 33, the upper part of the pressing part 31 is of an arc-shaped structure, so that a user can press the thumb conveniently, when the pressing part 31 is pressed, the pressing part 33 is compressed, the driving part 31 drives the driving part 32 to move downwards, and drives the tension rope 34 to move when the driving part 32 moves downwards, the pulling rope 34 drives the piston 42 to move in the direction approaching the right inner wall of the sleeve 41 in the sleeve 41, so that the liquid in the cup body 1 is sucked into the liquid inlet pipe 63, enters the sleeve 41 through the second one-way valve 64, after the pressing part 31 is released, the pressing part 31, the driving part 32 and the pulling rope 34 move in the direction of returning to the original position under the elastic force of the compression spring 33, and meanwhile, the piston 42 moves in the direction of returning to the original position under the elastic force of the return spring 43, so that the liquid is returned to the cup body 1 through the liquid outlet pipe 61.
The diameter of the driving part 32 is smaller than the inner diameter of the liquid outlet pipe 61, so that the driving part 32 is not easy to block the liquid flow channel of the liquid outlet pipe 61.
The filter screen 5 joint is on the inner wall that cup 1 is close to the bottom side, and filter screen 5 is used for filtering so that liquid impurity is difficult for blockking up the circulation structure to liquid impurity.
In the process of taking up the cup body 1, when holding the cup handle 2, the thumb is placed at the position on the upper portion of the cup handle 2 close to the left side of the pressing part 31, the pressing part 31 is relatively close to the outer wall of the cup body 1, the forefinger is placed at the middle position of the cup handle 2, but the forefinger is located at the position close to the lower side of the pumping structure 4, and the pumping structure 4 is not easy to hinder the holding of the forefinger.
In the using process, the pressing part 31 is pressed by hand, the driving part 32 and the pulling rope 34 are driven to move downwards, the piston 42 moves in the sleeve 41 towards the direction close to the right inner wall of the sleeve 41, the liquid in the cup body 1 is pumped into the liquid inlet pipe 63 and enters the space at the front side of the piston 42 in the sleeve 41 through the second one-way valve 64, after the pressing part 31 is released, the piston 42 moves towards the direction of returning to the original position, the liquid is sent into the cup body 1 through the liquid outlet pipe 61 and the first one-way valve 62, the subsequent operation is the same as above, the circular flow of the pumped liquid is completed, the circular flow of the liquid in the cup body 1 can be realized through the arrangement of the driving structure 3, the pumping structure 4 and the circulating structure, the advantages of accelerating the flow of the liquid in the cup body 1 to accelerate the temperature reduction of the liquid, accelerating the mixing speed of the mixed liquid in the cup body 1, not easily generating sediment in the cup body 1 and the like are achieved, for some fragrant liquids, the cooperation of above-mentioned structure still can make the fragrant smell of liquid distribute out, and fragrant smell is more strong, increases drinker's experience sense.
Example two: the outer wall that cup handle 2 is close to the downside has set firmly support handle 21, and when the person of facilitating the use handheld cup handle 2, place the little finger on support handle 21, increase the stability that the user gripped cup handle 2.
The difference between the second embodiment and the first embodiment is that the second embodiment is additionally provided with the supporting handle 21, so that the holding stability and comfort of a user are improved.
The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.
Claims (5)
1. A drinking cup capable of circularly flowing liquid is characterized in that: comprises a cup body (1), a cup handle (2), a driving structure (3), a pumping structure (4), a filter screen (5) and a circulating structure; the circulating structure is arranged in the cup handle (2) and communicated with the inside of the cup body (1), and liquid in the cup body (1) can enter from the bottom of the cup handle (2) and flow out from the upper part of the cup handle (2) into the cup body (1) to complete the circulating flow of the liquid; the pumping structure (4) is arranged on the outer wall of the circulation structure, and the pumping structure (4) is used for pumping the liquid at the bottom of the cup body (1) into the circulation structure and then delivering the liquid into the cup body (1) from the circulation structure; the driving structure (3) is arranged on the cup handle (2) and can move longitudinally to drive the pumping structure (4) to pump in and out liquid; the filter screen (5) is clamped on the inner wall of the cup body (1) close to the bottom side, and the filter screen (5) is used for filtering liquid impurities so that the liquid impurities are not easy to block a circulation structure; the circulation structure comprises a liquid outlet pipe (61), a first one-way valve (62), a liquid inlet pipe (63) and a second one-way valve (64), the liquid outlet pipe (61) and the first one-way valve (62) are connected to the cup handle (2) in a penetrating mode, the lower opening end of the liquid outlet pipe (61) is fixed to the upper opening end of the liquid inlet pipe (63), the first one-way valve (62) is fixedly arranged at the upper opening end of the liquid outlet pipe (61), the second one-way valve (64) is fixedly arranged at the upper opening end of the liquid inlet pipe (63), the lower opening end of the liquid inlet pipe (63) extends into the cup body (1), a filter screen (5) is located on the upper side of the lower opening end of the liquid inlet pipe (63), and the pumping structure (4) is arranged between the liquid outlet pipe (61) and the liquid inlet pipe (63); the pumping structure (4) comprises a sleeve (41) fixedly arranged between the lower opening end of the liquid outlet pipe (61) and the upper opening end of the liquid inlet pipe (63), a piston (42) connected in the sleeve (41) in a sliding manner and a return spring (43) arranged between the piston (42) and the right inner wall of the sleeve (41), the sleeve (41) penetrates through the inner side wall of the cup handle (2), one end of the return spring (43) is fixed with the right inner wall of the sleeve (41), the other end of the return spring (43) is in contact with the piston (42), and the piston (42) is connected with the driving structure (3); the driving structure (3) comprises a lower pressing portion (31), a driving portion (32) fixedly arranged at the bottom end of the lower pressing portion (31), a tension rope (34) fixedly arranged between the driving portion (32) and a piston (42) and a compression spring (33) arranged between the lower pressing portion (31) and the upper outer wall of the cup handle (2), wherein the bottom end of the driving portion (32) penetrates through the cup handle (2) and extends to the inner side of the cup handle (2), the tension rope (34) penetrates through the right inner wall of the sleeve (41), one end of the compression spring (33) is in contact with the upper outer wall of the cup handle (2), the other end of the compression spring (33) is in contact with the bottom end of the lower pressing portion (31), and the driving portion (32) is located on the inner side of the compression spring (33).
2. A drinking cup for circulating a liquid contained therein according to claim 1, wherein: the second one-way valve (64) is arranged obliquely.
3. A drinking cup for circulating a liquid contained therein according to claim 1, wherein: the diameter of the driving part (32) is smaller than the inner diameter of the liquid outlet pipe (61).
4. A drinking cup for circulating a liquid contained therein according to claim 1, wherein: compression spring (33) outside cover is equipped with protective sheath (35), protective sheath (35) wherein one end contacts with cup (2) upside outer wall, and protective sheath (35) other end and pushing down portion (31) bottom are fixed mutually.
5. A drinking cup for circulating a liquid contained therein according to claim 1, wherein: and a supporting handle (21) is fixedly arranged on the outer wall of the cup handle (2) close to the lower side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010819890.4A CN111972935B (en) | 2020-08-14 | 2020-08-14 | Drinking cup capable of circularly flowing liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010819890.4A CN111972935B (en) | 2020-08-14 | 2020-08-14 | Drinking cup capable of circularly flowing liquid |
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| Publication Number | Publication Date |
|---|---|
| CN111972935A CN111972935A (en) | 2020-11-24 |
| CN111972935B true CN111972935B (en) | 2022-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010819890.4A Active CN111972935B (en) | 2020-08-14 | 2020-08-14 | Drinking cup capable of circularly flowing liquid |
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| CN (1) | CN111972935B (en) |
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| CN206422428U (en) * | 2016-12-25 | 2017-08-18 | 深圳市擎格装饰工程有限公司 | A kind of heat sink of distribution box interior circulation |
| CN207074479U (en) * | 2017-06-16 | 2018-03-06 | 广州乐校通信息科技有限公司 | A kind of cleaning solution automatic vending equipment of quantitative liquid-discharging device and the application device |
| CN108543489A (en) * | 2018-04-17 | 2018-09-18 | 北京普利智诚生物技术有限公司 | A kind of liquid reagent is mobile and mixing arrangement |
| KR20190000857A (en) * | 2018-12-15 | 2019-01-03 | 최영준 | A cup with a piston pump |
| CN209765425U (en) * | 2019-04-25 | 2019-12-10 | 北京达佳互联信息技术有限公司 | Cover plate and server heat dissipation device |
| CN210910819U (en) * | 2019-08-28 | 2020-07-03 | 益阳市鑫永盛电子有限公司 | Water temperature control improved equipment for PET sleeve production |
| CN211233609U (en) * | 2019-12-12 | 2020-08-11 | 中国石油大学(华东) | Portable cooling clamp |
| CN111449473A (en) * | 2020-06-03 | 2020-07-28 | 深圳市爱协生科技有限公司 | Cup with gas blowing device |
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| CN111972935A (en) | 2020-11-24 |
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Effective date of registration: 20230816 Address after: 321200 wangshantou Industrial Zone, Quanxi Town, Wuyi County, Jinhua City, Zhejiang Province Patentee after: WUYI PENGFEI ELECTRIC APPLIANCE Co.,Ltd. Address before: 311203 Room 202, unit 2, building 10, Wanxiang meizhiyuan Meilin garden, Chengxiang street, Xiaoshan District, Hangzhou City, Zhejiang Province Patentee before: Yang Mengjie |
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