CN110040674A - A kind of portable device for releasing closures - Google Patents
A kind of portable device for releasing closures Download PDFInfo
- Publication number
- CN110040674A CN110040674A CN201910449186.1A CN201910449186A CN110040674A CN 110040674 A CN110040674 A CN 110040674A CN 201910449186 A CN201910449186 A CN 201910449186A CN 110040674 A CN110040674 A CN 110040674A
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- China
- Prior art keywords
- cylinder
- disk
- fixed
- curved splint
- arc
- 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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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67B—APPLYING CLOSURE MEMBERS TO BOTTLES JARS, OR SIMILAR CONTAINERS; OPENING CLOSED CONTAINERS
- B67B7/00—Hand- or power-operated devices for opening closed containers
- B67B7/14—Hand- or power-operated devices for opening closed containers for removing tightly-fitting lids or covers, e.g. of shoe-polish tins, by gripping and rotating
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
- Devices For Opening Bottles Or Cans (AREA)
Abstract
The invention discloses a kind of portable device for releasing closures, rotating ring is embedded on disk upper side, rotation top surface of ring is fixedly connected with cylinder, and the top surface of cylinder is covered with cover board, and vertical bar is vertically connected on cover board, and vertical bar top is fixed with handle, and vertical bar is vertical with handle；It is fixedly connected with positioning disk in the cylinder, is uniformly opened up on positioning disk there are three arcuate guide sliding slot, uniformly opens up that there are three arc chute, the settings corresponding with three arc chutes respectively of three arcuate guide sliding slots on the disk top surface in cylinder.The present apparatus is easy to use and laborsaving, can easily remove jar cap from can bottle body without destroying jar cap, and this device for releasing closures can be adapted on the bottle cap of multiple diameter size.
Description
Technical field
The present invention relates to articles for daily use technical fields, and in particular to a kind of portable device for releasing closures.
Background technique
Vegetables and a kind of long as storage time, the convenient food of tinned fruit, in travelling, exploration, engineering construction
In have very big market.Usual can is packed with open mouth glass can, and glass preserving jar includes can bottle body and can
Bottle cap two parts.Can bottle body includes can bottleneck, and there are the whorl of bottleneck of three to five dextrorotation, bottleneck in the outer surface of can bottleneck
Screw thread is spiral shape, and a whorl of bottleneck is around general 70 to 90 degree of can bottleneck, and jar cap is metal product, oblate cylindricality,
There are sealing plate, lower ending opening in cylindrical upper end, and the surrounding of lower ending opening has hook in the bottle cap bent inwardly, hook in jar cap
Quantity and whorl of bottleneck quantity are equal, and jar cap inner cavity upper bottom portion is stained with one layer of gasket.When being encapsulated in bakery and confectionery,
It is to be completed in the hot environment more than 120 degrees Celsius, vegetables or fruit and suitable soup is filled in the cavity of can bottle body,
120 degrees Celsius of vapor is blown into can body, drives all air away, and 120 degrees Celsius of vapor is filled in can
In vivo, then jar cap is covered on can bottleneck, and rotates jar cap counterclockwise, tightly hook is hooked in jar cap
Firmly whorl of bottleneck and formed it is self-locking, in the absence of external forces will not automatic rotational disengagement, screw rear gasket and tightly paste
Be attached on can bottleneck end face, form isolation can bottle body inner cavity and extraneous division surface, prevent extraneous gas and micro-
Biology, which enters inside, leads to food spoilage.Under normal temperature environment, 120 degrees Celsius of Water vapor condensation is only few at a small amount of water droplet
The vapor of amount is present in space in bottle, the confined space of a negative pressure is formed in can body, extraneous atmospheric pressure can be tightly
Ground compresses jar cap, and the normal pressure between gasket and can bottleneck end face is very big, to unscrew jar cap needs and overcome very
Big frictional force, so, consumer wants manually to back out jar cap to be very difficult, it usually needs jar cap is destroyed,
For example a hole is pricked on jar cap with the point of a knife or awl point of kitchen knife, allow extraneous air to enter the interior of glass preserving jar
Chamber.But it is inconvenient after all to prick hole with kitchen knife or awl, and can destroy jar cap.
Summary of the invention
To solve the above problems, the present invention provides a kind of portable device for releasing closures.
The invention is realized by the following technical scheme:
A kind of portable device for releasing closures, including disk, are embedded with rotating ring on disk upper surface, at rotating ring and disk contact
Rotation connection, rotation top surface of ring are fixedly connected with cylinder, and the top surface of cylinder is covered with cover board, is vertically connected with vertical bar on cover board,
Vertical bar top is fixed with handle, and vertical bar is vertical with handle；It is fixedly connected with positioning disk in the cylinder, is uniformly opened on positioning disk
If uniformly opening up that there are three arc chute, three arcs on the disk top surface in cylinder there are three arcuate guide sliding slot
Guide chute setting corresponding with three arc chutes respectively, the interior sliding of the arc chute have slide bar, and the top end of sliding rod is stretched
It arc chute and passes through corresponding arcuate guide sliding slot out and is fixedly connected with retaining ring, the slide bar and the sliding of arcuate guide sliding slot connect
It connects, the slide bar bottom end stretches out arc chute and is connected with curved splint by spill spin block rotation, positioned at arc chute two sides
First retaining ring is arranged on slide bar respectively, is symmetrically fixed with two on the slide bar between curved splint top and arc chute
L-type gag lever post, the vertical bar side wall of the L-type gag lever post and the extrados of curved splint are oppositely arranged, the curved splint it is interior
Multiple burs are uniformly fixed in cambered surface；
It is fixed with lifting magnet at the disk bottom center, the disk bottom surface outside lifting magnet is fixed with the first cylinder,
The first cylinder lateral wall is equipped with external screw thread, and thread bush is equipped with sleeve in the first cylinder, and the sleeve two sides, which are symmetrically fixed with, to be turned
Dynamic handle, the sleeve bottom end is annular inclined surface, respectively symmetrically through setting on the two sides side wall of the first cylinder bottom end
There is guide rod, the guide rod is slidably connected with the first cylinder contact position, and described guide rod one end is stretched out fixed outside the first cylinder
There is block, spring is arranged on the guide rod between the block and the first cylinder side wall, the guide rod other end protrudes into
It in one cylinder, and is fixedly connected with the first curved splint being set in the first cylinder, on the first curved splint intrados
Fixation is pasted with rubber layer, is fixed with trapezoid block on the first curved splint extrados, the first circle above guide rod
Circumferential annular groove is offered on cylinder side wall, is fixedly connected on described trapezoid block one end and the first curved splint extrados, it is another
End is stretched out outside the first cylinder by the annular groove on the first cylinder side wall, and trapezoid block is slidably connected with the first cylinder contact position, ladder
The shape block other end is arc-shaped recliner face and arc-shaped recliner face and the annular inclined surface of sleeve bottom end are correspondingly arranged, the trapezoid block
Several balls are uniformly embedded on arc-shaped recliner face, the ball and the rotation of trapezoid block contact position connect.
Preferably, the slide bar is square pole.
Preferably, the disk, cylinder, cover board, vertical bar and the first cylinder are in coaxial arrangement.
Preferably, it is used between the disk and the first cylinder and connection is welded and fixed.
Preferably, the spring is pressure spring.
Compared with prior art, the beneficial effects of the present invention are:
The present apparatus is easy to use and laborsaving, can easily take jar cap from can bottle body without destroying jar cap
Under, and this device for releasing closures can be adapted on the bottle cap of multiple diameter size, while pass through the setting of sleeve and two trapezoid blocks,
The axial line of bottle can be overlapped with the axial line of the first cylinder when two the first curved splints clamp bottle, and then effectively be reached
The purpose of automatic alignment, thereby may be ensured that the axial line of bottle cap is aligned with the axial line of three curved splints.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the Section A-A cross-sectional view of Fig. 1；
Fig. 3 is the structural schematic diagram of slide bar coupling part；
Fig. 4 is structural schematic diagram when the invention works.
Specific embodiment
Present invention is further described in detail with specific embodiment with reference to the accompanying drawing:
As shown in Figs 1-4, a kind of portable device for releasing closures, including disk 1, the 1 bottom end centre of disk are fixed with magnet
Disk 27, the 1 top surface centre of disk are embedded with rotating ring 4, and the rotating ring 4 is connected with the rotation of 1 contact position of disk, the rotation
4 top of change is fixed with cylinder 5, is uniformly opened up on 1 top surface of disk in the cylinder 5 there are three arc chute 9, the circle
It is fixed with positioning disk 6 in cylinder 5, is uniformly opened up on the positioning disk 6 there are three arcuate guide sliding slot 8, three arcuate guides
The setting corresponding with three arc chutes 9 respectively of sliding slot 8, the interior sliding of the arc chute 9 have slide bar 10,10 top of slide bar
It stretches out arc chute 9 and passes through corresponding arcuate guide sliding slot 8 and be fixed with retaining ring 11, the slide bar 10 and arcuate guide sliding slot 8
It is slidably connected, there are two the first retaining rings 12, two the first retaining rings 12 to be symmetricly set on arc chute 9 for fixing sleeve on the slide bar 10
Top and bottom, 10 bottom end of slide bar stretches out arc chute 9 and is connected with curved splint 15 by the rotation of spill spin block 16, described
15 top of curved splint can be symmetrically fixed with two L-type gag lever posts 17, the L-type limit on the slide bar 10 between arc chute 9
The vertical bar side wall and the extrados of curved splint 15 of position bar 17 are oppositely arranged, uniformly solid on the intrados of the curved splint 15
Surely multiple burs 25 are equipped with, 5 top of cylinder is fixed with cover board 7, and the 7 top surface centre of cover board is fixed with vertical bar 13, institute
It states 13 top of vertical bar and is fixed with handle 14,1 bottom end of disk is fixed with the first cylinder 26, on 26 lateral wall of the first cylinder
Equipped with external screw thread, sleeve 2 is cased in described the first cylinder 26,2 inner wall of sleeve is equipped with internal screw thread, described the first cylinder 26
It is threadedly coupled with sleeve 2,2 two sides of sleeve are symmetrically fixed with swing handle 3, and 2 bottom end of sleeve is annular inclined surface, institute
Stating 26 two sides bottom end of the first cylinder and respectively symmetrically running through has guide rod 18, and the guide rod 18 and 26 contact position of the first cylinder are sliding
Dynamic connection, described 18 one end of guide rod, which is stretched out outside the first cylinder 26, is fixed with block 20, the block 20 and the first cylinder 26 it
Between be fixed with spring 19, on guide rod 18,18 other end of guide rod protrudes into the first cylinder 26 19 sets of the spring
It is fixed with the first curved splint 21, fixation is pasted with rubber layer 22, first arc on 21 intrados of the first curved splint
Trapezoid block 23 is fixed on 21 extrados of clevis plate, 23 other end of trapezoid block is arc-shaped recliner face and arc-shaped recliner face and set
The corresponding setting in annular inclined surface of 2 bottom ends of cylinder, is uniformly embedded with several rollings on the arc-shaped recliner face of the trapezoid block 23
Pearl 24, the ball 24 are connected with the rotation of 23 contact position of trapezoid block, and the arc-shaped recliner face of the trapezoid block 23 penetrates the first cylinder
26 inner walls simultaneously stretch out outside the first cylinder 26, and the trapezoid block 23 is slidably connected with 26 contact position of the first cylinder.
In the present embodiment, the slide bar 10 is square pole, the disk 1, cylinder 5, cover board 7, vertical bar 13 and the first cylinder
26 are on same axial line, and using connection is welded and fixed between the disk 1 and the first cylinder 26, the spring 19 is
Pressure spring.
Working principle: in the use of the present invention, as shown in figure 4, this portable device for releasing closures is covered from bottle cap in bottle first
On son, so that the lifting magnet 27 on 1 low side of disk is bonded with bottle cap top surface, it is suitable that 26 another hand of the first cylinder is then held on the other hand
Clockwise rotates swing handle 3, due to being threadedly coupled between sleeve 2 and the first cylinder 26, turning handle rotationally clockwise
When hand 3 sleeve 2 can be moved down in the first cylinder 26, when sleeve 2 moves down the annular inclined surface of its bottom end can with it is trapezoidal
The arc-shaped recliner face paste of block 23 closes sliding, and due to the setting of ball 24 on 23 arc-shaped recliner face of trapezoid block, ball 24 can be effective
The frictional force reduced between sleeve 2 and trapezoid block 23, continue to move down with sleeve 2, the annular inclination of 2 bottom end of sleeve
Face can squeeze the arc-shaped recliner face of trapezoid block 23, so that trapezoid block 23 is close to bottle direction, meeting when trapezoid block 23 is mobile
It drives the first curved splint 21 close to bottle direction, and then two the first curved splints 21 can be made to clamp bottle in this way,
And due to two the first curved splints 21 under the action of two trapezoid block 23 synchronizing moving, so the axial line of bottle can be with
The axial line of the first cylinder 26 is overlapped, and due to the setting of rubber layer 22 on 21 intrados of the first curved splint, rubber layer 22
Bottle ontology can not only be effectively protected, while also enhancing frictional force, bottle is rotated together with bottle cap when preventing from uncapping,
In this way after bottle ontology is clamped by two the first curved splints 21, then passes through handle 14 and rotates in an anti-clockwise direction vertical bar 13,
Since cylinder 5 is connected by rotating ring 4 and the rotation of disk 1, so vertical bar 13 can be driven when rotating in an anti-clockwise direction by cover board 7
Cylinder 5 rotates together, and cylinder 5 will drive positioning disk 6 fixed in it and rotate together when rotating in an anti-clockwise direction, positioning disk 6 is inverse
Three slide bars 10 when clockwise rotates in three arcuate guide sliding slots 8 can be under the guiding of arc chute 9 to conjunction at center
Hold together, and then three curved splints 15 of three 10 bottom ends of slide bar can symmetrically clamp bottle cap, to continue to rotate in an anti-clockwise direction handle
When hand 14, three curved splints 15 drive bottle cap rectangular rotation counterclockwise while clamping bottle cap, in this way can be easily laborsaving
Unscrew bottle cap, achieve the purpose that uncap, to consider that bottle cap is being unscrewed period as whorl of bottleneck ramps up, so wanting intermittent
Turn handle 14 back and forth, such three curved splints 15 clamping unclamps again bottle cap, such three arcs after unscrewing bottle cap a flash
Torque between clamping plate 15 and bottle cap can reduce very much, and due to the setting of bur 25 on 15 intrados of curved splint, with
The occlusion bottle cap of clamping bur 25 meeting of three curved splints 15 tightly, and then prevent and occur between curved splint 15 and bottle cap
The case where skidding, occurs.
When bottle cap is unscrewed by three clampings of curved splint 15 to fall off from bottleneck, if bottle cap is that metal material can be by magnet
Disk 27 is adsorbed, and then is convenient for the collection of crown cap, and passes through the setting of two L-type gag lever posts 17, two L-type gag lever posts
17 will limit the rotation amplitude of curved splint 15, and curved splint 15 can be in the limit space of two L-type gag lever posts 17 slightly
Rotation is adjusted, and then the bottle cap for unscrewing a variety of different-diameter sizes can be clamped between three curved splints 15, such bottle cap quilt
After unscrewing, another mistake hour hands rotational sleeve 2, so that be no longer bonded between sleeve 2 and trapezoid block 23, such trapezoid block 23 is not due to having
The top power of 2 bottom end inclined surface of sleeve can pop into position again under the active force of spring 19, and then two the first curved splints
21 can unclamp bottle, this portable device for releasing closures is taken away from bottle again can be completed this work of uncapping in this way.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe originals of the invention
Reason, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes and improvements
It all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle
It is fixed.
Claims (5)
1. a kind of portable device for releasing closures, it is characterised in that: including disk (1), rotating ring (4) are embedded on disk (1) upper side,
Rotating ring (4) and the rotation of disk (1) contact position connect, and rotating ring (4) top surface is fixedly connected with cylinder (5), the top surface of cylinder (5)
It is covered with cover board (7), is vertically connected on cover board (7) vertical bar (13), vertical bar (13) top is fixed with handle (14), vertical bar and handle
Hand (14) is vertical；It is fixedly connected with positioning disk (6) in the cylinder (5), uniformly opens up on positioning disk (6) and led there are three arc
To sliding slot (8), uniformly opened up on disk (1) top surface being located in cylinder (5) there are three arc chute (9), three arcs are led
To sliding slot (8) setting corresponding with three arc chute (9) respectively, there is slide bar (10) sliding in the arc chute (9), described
Slide bar (10) top, which stretches out arc chute (9) and passes through corresponding arcuate guide sliding slot (8), to be fixedly connected with retaining ring (11), described
Slide bar (10) is slidably connected with arcuate guide sliding slot (8), and slide bar (10) bottom end stretches out arc chute (9) and passes through spill spin block
(16) rotation is connected with curved splint (15), is located on the slide bar (10) of arc chute (9) two sides and is arranged with one first respectively
Retaining ring (12) is symmetrically fixed with two L-type gag lever posts on the slide bar (10) between curved splint (15) top and arc chute (9)
(17), the vertical bar side wall and the extrados of curved splint (15) of the L-type gag lever post (17) are oppositely arranged, the curved splint
(15) multiple burs (25) are uniformly fixed on intrados；
Lifting magnet (27) are fixed at disk (1) bottom center, is located at disk (1) bottom end of lifting magnet (27) outside and is fixed with
The first cylinder (26), the first cylinder (26) lateral wall are equipped with external screw thread, and thread bush is equipped with sleeve (2) in the first cylinder (26),
Sleeve (2) two sides are symmetrically fixed with swing handle (3), and sleeve (2) bottom end is annular inclined surface, close to the first cylinder
(26) it is respectively symmetrically provided through guide rod (18) on the two sides side wall of bottom end, the guide rod (18) and the first cylinder (26)
Contact position is slidably connected, and described guide rod (18) one end, which is stretched out outside the first cylinder (26), is fixed with block (20), the block
(20) it is arranged with spring (19) on the guide rod (18) between the first cylinder (26) side wall, guide rod (18) other end is stretched
Enter in the first cylinder (26), and is fixedly connected with the first curved splint (21) being set in the first cylinder (26), described first
Fixation is pasted with rubber layer (22) on curved splint (21) intrados, is fixed with ladder on the first curved splint (21) extrados
Shape block (23) is located on the first cylinder (26) side wall above guide rod (18) and offers circumferential annular groove, the trapezoid block
(23) it is fixedly connected on one end and the first curved splint (21) extrados, the other end passes through the annular on the first cylinder (26) side wall
Slot stretches out the first cylinder (26) outside, and trapezoid block (23) is slidably connected with the first cylinder (26) contact position, trapezoid block (23) other end
For arc-shaped recliner face and arc-shaped recliner face and the annular inclined surface of sleeve (2) bottom end are correspondingly arranged, the arc of the trapezoid block (23)
Several balls (24) are uniformly embedded on shape inclined surface, the ball (24) and the rotation of trapezoid block (23) contact position connect.
2. a kind of portable device for releasing closures according to claim 1, it is characterised in that: the slide bar (10) is square pole.
3. a kind of portable device for releasing closures according to claim 1, it is characterised in that: the disk (1), cylinder (5), cover board
(7), vertical bar (13) and the first cylinder (26) coaxial arrangement.
4. a kind of portable device for releasing closures according to claim 1, it is characterised in that: the disk (1) and the first cylinder
(26) it is used between and connection is welded and fixed.
5. a kind of portable device for releasing closures according to claim 1, it is characterised in that: the spring (19) is pressure spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910449186.1A CN110040674B (en) | 2019-05-28 | 2019-05-28 | Portable cap opener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910449186.1A CN110040674B (en) | 2019-05-28 | 2019-05-28 | Portable cap opener |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110040674A true CN110040674A (en) | 2019-07-23 |
| CN110040674B CN110040674B (en) | 2021-02-26 |
Family
ID=67283724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910449186.1A Expired - Fee Related CN110040674B (en) | 2019-05-28 | 2019-05-28 | Portable cap opener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110040674B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110697640A (en) * | 2019-11-20 | 2020-01-17 | 邵阳心连心食品有限公司 | Packaging hardware of canned fruit |
| CN111742718A (en) * | 2020-06-11 | 2020-10-09 | 李玉俊 | Corn rubbing device |
| CN111874851A (en) * | 2020-07-03 | 2020-11-03 | 陈禄秀 | Department of respiration injection medicine bottle aluminium foil closing cap hole digger |
| CN116946480A (en) * | 2023-09-20 | 2023-10-27 | 湖南煤矿安全装备有限公司 | Automatic charging device for chemical oxygen self-rescuer |
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|---|---|---|---|---|
| GB2227968A (en) * | 1989-02-14 | 1990-08-15 | John Francis Williams | Device for gripping container whilst closure is removed |
| JP2011084298A (en) * | 2009-10-15 | 2011-04-28 | Yasuo Yamamoto | Screw type cap-removing instrument |
| CN204454505U (en) * | 2015-01-26 | 2015-07-08 | 毕至申 | A kind of bottle opener |
| CN206051504U (en) * | 2016-09-27 | 2017-03-29 | 郭瑞昊 | For the opening device of jar cap |
| CN108313950A (en) * | 2018-02-13 | 2018-07-24 | 李大德 | Glass preserving jar bottle opener |
| CN109231104A (en) * | 2018-07-25 | 2019-01-18 | 吕海峰 | A kind of push type can hood-opening device |
| CN208716809U (en) * | 2018-09-07 | 2019-04-09 | 安徽华菱汽车有限公司 | A kind of bung closing device |
-
2019
- 2019-05-28 CN CN201910449186.1A patent/CN110040674B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2227968A (en) * | 1989-02-14 | 1990-08-15 | John Francis Williams | Device for gripping container whilst closure is removed |
| JP2011084298A (en) * | 2009-10-15 | 2011-04-28 | Yasuo Yamamoto | Screw type cap-removing instrument |
| CN204454505U (en) * | 2015-01-26 | 2015-07-08 | 毕至申 | A kind of bottle opener |
| CN206051504U (en) * | 2016-09-27 | 2017-03-29 | 郭瑞昊 | For the opening device of jar cap |
| CN108313950A (en) * | 2018-02-13 | 2018-07-24 | 李大德 | Glass preserving jar bottle opener |
| CN109231104A (en) * | 2018-07-25 | 2019-01-18 | 吕海峰 | A kind of push type can hood-opening device |
| CN208716809U (en) * | 2018-09-07 | 2019-04-09 | 安徽华菱汽车有限公司 | A kind of bung closing device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110697640A (en) * | 2019-11-20 | 2020-01-17 | 邵阳心连心食品有限公司 | Packaging hardware of canned fruit |
| CN111742718A (en) * | 2020-06-11 | 2020-10-09 | 李玉俊 | Corn rubbing device |
| CN111874851A (en) * | 2020-07-03 | 2020-11-03 | 陈禄秀 | Department of respiration injection medicine bottle aluminium foil closing cap hole digger |
| CN111874851B (en) * | 2020-07-03 | 2021-10-08 | 洛阳市中心医院 | Department of respiration injection medicine bottle aluminium foil closing cap hole digger |
| CN116946480A (en) * | 2023-09-20 | 2023-10-27 | 湖南煤矿安全装备有限公司 | Automatic charging device for chemical oxygen self-rescuer |
| CN116946480B (en) * | 2023-09-20 | 2024-01-23 | 湖南煤矿安全装备有限公司 | Automatic charging device for chemical oxygen self-rescuer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110040674B (en) | 2021-02-26 |
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Granted publication date: 20210226 |