CN209520937U - A kind of cutting structure - Google Patents

A kind of cutting structure Download PDF

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Publication number
CN209520937U
CN209520937U CN201822241156.5U CN201822241156U CN209520937U CN 209520937 U CN209520937 U CN 209520937U CN 201822241156 U CN201822241156 U CN 201822241156U CN 209520937 U CN209520937 U CN 209520937U
Authority
CN
China
Prior art keywords
sliding
flexible cylinder
sliding rail
contact chip
notch
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.)
Withdrawn - After Issue
Application number
CN201822241156.5U
Other languages
Chinese (zh)
Inventor
谢显奇
唐洪兵
谢光伟
林子力
林国龙
胡敏
谢红香
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tongliang City Chongqing Branch Strange Medicine Co Ltd
Original Assignee
Tongliang City Chongqing Branch Strange Medicine Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tongliang City Chongqing Branch Strange Medicine Co Ltd filed Critical Tongliang City Chongqing Branch Strange Medicine Co Ltd
Priority to CN201822241156.5U priority Critical patent/CN209520937U/en
Application granted granted Critical
Publication of CN209520937U publication Critical patent/CN209520937U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a kind of cutting structure, including shell, cutter, first flexible cylinder and the second flexible cylinder, shell is equipped with a pair of of V-shaped groove, swing rod is equipped in shell, the first sliding block and the second sliding block that can be slided on the first sliding rail and the second sliding rail are separately installed on first sliding rail and the second sliding rail, first contact chip and the contact of the second contact chip can open the first flexible cylinder and the telescopic rod of the second flexible cylinder stretches out, first flexible cylinder and the second flexible cylinder are mounted on interior intracavitary, cutter are mounted on third sliding block and corresponding with the cut substrate being located on curved plate.The utility model curved plate, which moves down the telescopic rod for making the first contact chip and the second contact chip contact start first stretch cylinder and the second flexible cylinder and protrudes through the first curved splint and the second curved splint that it connect, clamps cut substrate, then the third sliding block started in vertical chute moves down, while cut substrate is cut half by the cutter rotation rotated.

Description

A kind of cutting structure
Technical field
The utility model relates to fruit cutter devices, and in particular to a kind of cutting structure.
Background technique
The fruit of fruits is often very much, sometimes needs with Fructus Aurantii, medicine fruit, apple and this kind of fruit of pears pair wherein similar Half cuts, and the conveniently laying beauty having after being cut in half, some uses for convenience, and the mode being usually cut in half all is logical It crosses fruit knife directly to cut, but equivalent is big rear just to bother after all.
Utility model content
Problem to be solved in the utility model is to provide a kind of cutting for the above-mentioned deficiency in the presence of the prior art Structure facilitates positional dissection fruit.
To achieve the above object, the utility model is using the following technical solution: a kind of cutting structure, including shell, Cutter, the first flexible cylinder and the second flexible cylinder, the shell are equipped with a pair of of V-shaped groove, and the V-shaped groove bottom is equipped with the One notch, the V-shaped groove both ends of the first notch extension, the shell have inner cavity, and the tail end of the V-shaped groove protrudes into institute Interior intracavitary, the front end stretching inner cavity of the V-shaped groove is stated, is equipped with swing rod in the shell, the middle part activity of the swing rod connects Connect enables the swing rod rotate freely around its middle part on the housing, and the first sliding rail and second is fixed in the shell and is slided It is sliding to be separately installed with can slide on first sliding rail and the second sliding rail first on first sliding rail and the second sliding rail for rail Block and the second sliding block, first sliding rail and the second sliding rail be located at two first bottom of the gap and respectively with two institutes The slot of V-shaped groove is stated to parallel, first sliding rail and the second sliding rail upper surface are equipped with ox horn spike, and the ox horn spike passes through First notch protrudes into the V-shaped groove, the lower surface of first sliding rail and the second sliding rail be respectively equipped with first protrusion and Second protrusion, the swing rod both ends be respectively equipped with along bar to first sliding groove and second sliding slot, first protrusion and second convex It rises and is respectively protruding into the first sliding groove and second sliding slot and can be slided in the first sliding groove and second sliding slot, the swing rod Swinging plane and first sliding rail and the plane that forms of the second sliding rail it is parallel, groove, the groove are equipped in the shell Spring is inside installed, the spring upper end is connected with curved plate, and the curved plate lower end is equipped with the circle for penetrating the spring Bar, the round bar lower end are equipped with the first contact chip, and the bottom portion of groove is equipped with the second contact chip, first contact chip and described The contact of second contact chip can open the telescopic rod stretching of the described first flexible cylinder and the second flexible cylinder, the curved plate and The tail end of the V-shaped groove is bordered on, and the curved plate is equipped with the second notch, second notch and the first notch tail end It is corresponding to enable the ox horn spike when moving from first notch tip to the tail end of first notch from described second Notch is pierced by and the cut substrate for being inserted with the ox horn spike is made to fall off on the curved plate from the ox horn spike, cuts simultaneously Cutting object and pushing the curved plate contacts first contact chip and second contact chip, the first flexible cylinder and the Two flexible cylinders are mounted on described interior intracavitary, and the telescopic rod of the first flexible cylinder and the second flexible cylinder is separately connected first Curved splint and the second curved splint, first curved splint and the second curved splint are opposite and are located at cut substrate two sides, institute It states interior cavity wall and is equipped with vertical chute, the third that can be moved up and down in the vertical chute is installed sliding on the vertical chute Block, the cutter are mounted on the third sliding block and corresponding with the cut substrate being located on the curved plate.
Further, described interior intracavitary equipped with third sliding slot and the 4th sliding slot, the third sliding slot and the 4th sliding slot are interior respectively Equipped with the Four-slider and the 5th sliding block being slidably connected with it, the first flexible cylinder and the second flexible cylinder are separately mounted to On the Four-slider and the 5th sliding block, spring is equipped in the third sliding slot, the both ends of the spring is separately connected the described 4th Sliding block and the third sliding slot inner wall, the third sliding slot and the 4th sliding slot bottom are equipped with arc-shaped slot, two circular arcs First gear and second gear be installed respectively in shape slot, the bottom surface of the Four-slider and the 5th sliding block be all provided with it is with teeth respectively with institute State first gear and second gear occlusion, the first gear and second gear by gear set transmission make the first gear with The direction of rotation of second gear is on the contrary, the gear set is mounted in the shell.
Further, it is connected with L bar on the described first flexible cylinder, the telescopic rod tail end of the first flexible cylinder is equipped with the Three contact chips, the L bar is equipped with the 4th contact chip rotated with cutter described in the third contact chip contact start, described The third contact chip on the telescopic rod all stretched out after first flexible cylinder starting is contacted with the 4th contact chip.
Compared with the prior art, the utility model has the following beneficial effects: the utility model is by will be to be cut Cut substrate such as medicine fruit, apple or this kind of fruit of pears are firstly placed in any one of V-shaped groove and by its to be cut section Face any point is inserted in the insignificant problem and nails on, and the first sliding block moves down on first slide bar and by institute under gravity State the second sliding block by the swing rod drive move up, or under gravity second sliding block in second slide bar On move down and move up first sliding block by swing rod drive, when being inserted with the ox horn spike of cut substrate close to described When V-shaped groove tail end, the ox horn spike is transitioned into second notch from first notch and passes through from second notch, Cut substrate is blocked by the curved plate and is stayed on the curved plate, under the action of cut substrate gravity, the curved plate Moving down makes first contact chip and the first flexible cylinder and the second flexible cylinder described in the second contact chip contact start Telescopic rod protrudes through first curved splint of its connection and the second curved splint clamps cut substrate, then described in starting The third sliding block in vertical chute moves down, while cut substrate is cut half by the cutter rotation rotated.
The further advantage, target and feature of the utility model will be partially reflected by the following instructions, and part will also pass through Research and practice to the utility model and be understood by the person skilled in the art.
Detailed description of the invention
Fig. 1 is a kind of cutting inside configuration structural schematic diagram of the utility model.
Fig. 2 is a kind of cutting structure top view of the utility model.
Fig. 3 is the utility model swing rod and the first sliding rail, the second sliding rail scheme of installation.
Fig. 4 is the utility model V-shaped groove side schematic view.
Fig. 5 is intracavitary partial schematic diagram in the utility model.
Specific embodiment
In order to make technological means of the utility model, creation characteristic, reach purpose and effect is more clear and is easy to Understand, the utility model be further elaborated with reference to the accompanying drawings and detailed description:
The utility model proposes a kind of cutting structures, including shell 1, cutter 2, the first flexible cylinder 3 and second to stretch Contracting cylinder 4, the cutter 3 are driven by a motor blade rotation and are cut to Fructus Aurantii and medicine fruit etc. by blade, set on the shell 1 There is a pair of of V-shaped groove 5, the V-shaped groove 5 obliquely, is tilted by the front end of the V-shaped groove 5 is oblique down toward tail end, the V-shaped groove 5 Front end is higher than the tail end of the V-shaped groove 5, and 5 bottom of V-shaped groove is equipped with the first notch 6, the institute of 6 extension of the first notch State 5 both ends of V-shaped groove, the shell 1 has an inner cavity, the tail end of the V-shaped groove 5 protrude into it is described interior intracavitary, before the V-shaped groove 5 The inner cavity is stretched out at end, and for cut substrate from the oblique lower slider in front end of the V-shaped groove 5, the shell 1 is interior to be equipped with swing rod 7, the pendulum The middle part of bar 7, which is movably connected on the shell 1, enables the swing rod 7 to rotate freely around its middle part, and the interior cavity wall is equipped with Protrusion 8, described raised 8 protrudes into the circular hole being equipped in the middle part of the swing rod 7, and described raised 8 are adapted with the circular hole, the shell The first sliding rail 10 and the second sliding rail 11 are fixed in body 1, being separately installed on first sliding rail 10 and the second sliding rail 11 can be The first sliding block 9 and the second sliding block 12 slided on first sliding rail 10 and the second sliding rail 11, first sliding block 9 and second are sliding The through-hole that can pass through first sliding rail 10 and the second sliding rail 11 is respectively equipped on block 12, two through-holes and described first are slided Rail 10 and the second sliding block 11 are adapted, and first sliding rail 10, the second sliding rail 11, the first sliding block 9 and the second sliding block 12 are respectively positioned on It is interior intracavitary, first sliding rail 10 and the second sliding rail 11 be located at two 6 lower sections of the first notches and respectively with two institutes The slot of V-shaped groove 5 is stated to parallel, first sliding rail 10 and 11 upper surface of the second sliding rail are equipped with ox horn spike 13, cut substrate Cut surface any point is inserted on the ox horn spike 13, and the ox horn spike 13 passes through first notch 6 and protrudes into the V-arrangement It does not emerge in slot 5 but 5 upper surface of V-shaped groove, the lower surface of first sliding rail 10 and the second sliding rail 11 is respectively equipped with the One protrusion 14 and the second protrusion, 7 both ends of swing rod be respectively equipped with along bar to first sliding groove 16 and second sliding slot 15, described the One protrusion 14 and the second protrusion are respectively protruding into the first sliding groove 16 and second sliding slot 15 and can be in 16 Hes of first sliding groove The slot length of sliding in second sliding slot 15, the first sliding groove 16 and the second sliding slot 15 is long enough that when first sliding block 9 when being moved to 10 top of the first sliding rail described in the second protrusion appoint in the second sliding slot 15 second sliding block 12 simultaneously Positioned at second sliding rail, 11 lower section, the slot length of the first sliding groove 16 and the second sliding slot 15 is long enough that when described the First protrusion described in when two sliding blocks 12 are moved to 11 top of the second sliding rail is appointed described simultaneously the in the first sliding groove 14 One sliding block 9 is located at 10 lower section of the first sliding rail, the swinging plane of the swing rod 7 and first sliding rail 10 and the second sliding rail 11 The plane of composition is parallel, and groove 21 is equipped in the shell 1, and the groove 21 is located at described interior intracavitary, peace in the groove 21 Equipped with spring 20,20 upper end of spring is connected with curved plate 17, and 17 lower end of curved plate is equipped with and penetrates the spring 20 round bar 19,19 lower end of round bar be equipped with the first contact chip, 21 bottom of groove be equipped with the second contact chip, described first Contact chip and second contact chip contact can open the described first flexible cylinder 3 and the telescopic rod of the second flexible cylinder 4 stretches out, When the curved plate 17 does not place cut substrate, the round bar 19 jack-up is made into institute under elastic force of the spring 20 or so The first contact chip is stated to separate with second contact chip, when first contact chip is separated with second contact chip described in The telescopic rod of one flexible cylinder 3 and the second flexible cylinder 4 retraction, the tail end of the curved plate 17 and the V-shaped groove 5 are bordered on, The curved plate 17 is equipped with the second notch 18, second notch 18 is corresponding with 6 tail end of the first notch make described in Ox horn spike 13 can be worn when mobile to the tail end of first notch 6 from 6 front end of the first notch from second notch 18 Out and the cut substrate for being inserted with the ox horn spike 13 is made to fall off on the curved plate 17 from the ox horn spike 13, cut simultaneously Cutting the object pushing curved plate 17 contacts first contact chip and second contact chip, the first flexible cylinder 3 Described interior intracavitary, the telescopic rod difference of the first flexible cylinder 3 and the second flexible cylinder 4 is mounted on the second flexible cylinder 4 Connect the first curved splint 28 and the second curved splint 29, the telescopic rod of the first flexible cylinder 3 and the second flexible cylinder 4 is stretched After length, the distance between first curved splint 28 and the second curved splint 29 be cut substrate average diameter, described first The telescopic rod extended length of flexible cylinder 3 and the second flexible cylinder 4 can be adjusted according to the average diameter of cut substrate, when the first arc When the distance between clevis plate 28 and the second curved splint 29 are greater than cut substrate diameter, although cut substrate is not by first arc Clevis plate 28 and the second curved splint 29 compress, but cut substrate, which is located on the curved plate 17, will not move energy by high speed The cutter of rotation cut half, and first curved splint 28 and the second curved splint 29 are described relatively and positioned at cut substrate two sides Interior cavity wall is equipped with vertical chute 30, and can move up and down in the vertical chute 30 the is equipped on the vertical chute 30 Three sliding blocks, the cutter 2 are mounted on the third sliding block and corresponding with the cut substrate being located on the curved plate 17, It is described it is interior it is intracavitary be equipped with the first collecting tank 37 and the second collecting tank, first collecting tank 37 and the second collecting tank pass through tiltedly respectively Broken 38 border on the end of the curved plate 17, after cut substrate is cut, roll into the first collecting tank 37 along the slope 38 In the second collecting tank, first collecting tank 37 and the relatively described curved plate 17 of the second collecting tank are symmetrical, the arcuate bottom 17 arc of plate be minor arc facilitate the cut substrate after being cut from 17 end face of curved plate roll down to two sides it is described first collect In slot 37 and the second collecting tank, the curved plate 17 along plate to including bottom plate front end 35 and base plate rear end 36, before the bottom plate Setting postive stop baffle 34 prevents cut substrate from rolling backward between end 35 and the base plate rear end 36, and the bottom plate front end 35 is located at institute It states between the first curved splint 28 and the second curved splint 29, the round bar 19 and the spring 20 are connected to the base plate rear end 36 lower surfaces, the bottom plate front end 35 border at its tail end with the V-shaped groove 5.
As specific embodiment, seriously squeezed when being drawn close in order to avoid first curved splint 28 and the second curved splint 29 Press cut substrate, it is described it is interior it is intracavitary be equipped with third sliding slot 24 and the 4th sliding slot, set in the third sliding slot 24 and the 4th sliding slot respectively There are the Four-slider 22 and the 5th sliding block 23 being slidably connected with it, the first flexible cylinder 3 and the second flexible cylinder 4 are pacified respectively On the Four-slider 22 and the 5th sliding block 23, spring 25,25 both ends of spring point are equipped in the third sliding slot 24 The Four-slider 22 and 24 inner wall of third sliding slot are not connected, and the third sliding slot 24 and the 4th sliding slot bottom are equipped with circle Arc groove installs first gear 26 and second gear 27, the Four-slider 22 and the 5th in two arc-shaped slots respectively The bottom surface of sliding block 23 be all provided with it is with teeth be engaged respectively with the first gear 26 and second gear 27, the first gear 26 and second Gear 27 makes the direction of rotation of the first gear 26 and second gear 27 on the contrary, the gear set is installed by gear set transmission In the shell 1, avoid squeezing cutting by the spring 25 and the anti-described first flexible cylinder 3 that pushes away of the third sliding block 22 Object.
As specific embodiment, L bar 31 is connected on the first flexible cylinder 3, the first flexible cylinder 3 stretches Bar tail end is equipped with third contact chip 32, and the L bar 31 is equipped with to be revolved with cutter 2 described in 32 contact start of third contact chip The 4th contact chip turned, the third contact chip on the telescopic rod that the first flexible cylinder 3 all stretches out after starting 32 contact with the 4th contact chip, the third contact chip 32 while cut substrate is had good positioning on the curved plate 17 The unlatching rotation of cutter 2 is contacted with the 4th contact chip can save electricity, and cutter 2 is avoided to rotate always.
As specific embodiment, cut substrate is Fructus Aurantii or medicine fruit 33, and the shell 1 is equipped with the heaping groove of other side's cut substrate 39, the heaping groove 39 is corresponding with the V-shaped groove 5.
Finally, it is stated that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng The utility model is described in detail according to preferred embodiment, those skilled in the art should understand that, it can be to this The technical solution of utility model is modified or replaced equivalently, without departing from the objective and model of technical solutions of the utility model It encloses, should all cover in the scope of the claims of the utility model.

Claims (3)

1. a kind of cutting structure, it is characterised in that: flexible including shell (1), cutter (2), the first flexible cylinder (3) and second Cylinder (4), the shell (1) are equipped with a pair of of V-shaped groove (5), and V-shaped groove (5) bottom is equipped with the first notch (6), and described the The V-shaped groove (5) both ends of one notch (6) extension, the shell (1) have inner cavity, and the tail end of the V-shaped groove (5) protrudes into institute Interior intracavitary, the front end stretching inner cavity of the V-shaped groove (5) is stated, is equipped with swing rod (7) in the shell (1), the swing rod (7) Middle part be movably connected on the shell (1) and rotate freely the swing rod (7) can around its middle part, it is solid in the shell (1) Surely there are the first sliding rail (10) and the second sliding rail (11), being separately installed on first sliding rail (10) and the second sliding rail (11) can be The first sliding block (9) and the second sliding block (12) slided on first sliding rail (10) and the second sliding rail (11), first sliding rail (10) and the second sliding rail (11) is located at two the first notches (6) lower sections and the respectively slot with two V-shaped grooves (5) To parallel, first sliding rail (10) and the second sliding rail (11) upper surface are equipped with ox horn spike (13), the ox horn spike (13) it passes through first notch (6) to protrude into the V-shaped groove (5), under first sliding rail (10) and the second sliding rail (11) Surface is respectively equipped with first raised (14) and second raised, swing rod (7) both ends be respectively equipped with along bar to first sliding groove (16) it is respectively protruding into the first sliding groove (16) and second with second sliding slot (15), described first raised (14) and the second protrusion and slides It can slide in slot (15) and in the first sliding groove (16) and second sliding slot (15), the swinging plane of the swing rod (7) and institute It is parallel with the plane that the second sliding rail (11) forms to state the first sliding rail (10), is equipped with groove (21) in the shell (1), the groove (21) it is equipped with spring (20) in, spring (20) upper end is connected with curved plate (17), curved plate (17) lower end Equipped with the round bar (19) for penetrating the spring (20), round bar (19) lower end is equipped with the first contact chip, groove (21) bottom Portion is equipped with the second contact chip, and first contact chip and second contact chip contact can open the described first flexible cylinder (3) It is stretched out with the telescopic rod of the second flexible cylinder (4), the curved plate (17) and the tail end of the V-shaped groove (5) are bordered on, the arc Shape bottom plate (17) is equipped with the second notch (18), and second notch (18) is corresponding with the first notch (6) tail end to make institute Stating can be from described second when ox horn spike (13) is moved from the first notch (6) front end to the tail end of first notch (6) Notch (18) is pierced by and makes the cut substrate for being inserted with the ox horn spike (13) on the curved plate (17) from the insignificant problem Nail (13) falls off, while cut substrate pushes the curved plate (17) and connects first contact chip and second contact chip Touching, the first flexible cylinder (3) and the second flexible cylinder (4) be mounted on it is described interior intracavitary, the first flexible cylinder (3) and The telescopic rod of second flexible cylinder (4) is separately connected the first curved splint (28) and the second curved splint (29), first arc Relatively and positioned at cut substrate two sides, the interior cavity wall is equipped with vertical chute for clevis plate (28) and the second curved splint (29) (30), the third sliding block that can be moved up and down in the vertical chute (30) is installed on the vertical chute (30), it is described to cut Cutter (2) is mounted on the third sliding block and corresponding with the cut substrate being located on the curved plate (17).
2. a kind of cutting structure according to claim 1, it is characterised in that: described interior intracavitary to be equipped with third sliding slot (24) and the Four sliding slots are respectively equipped with the Four-slider (22) being slidably connected with it and the 5th sliding in the third sliding slot (24) and the 4th sliding slot Block (23), the first flexible cylinder (3) and the second flexible cylinder (4) are separately mounted to the Four-slider (22) and the 5th and slide On block (23), spring (25) are equipped in the third sliding slot (24), spring (25) both ends are separately connected the Four-slider (22) and the third sliding slot (24) inner wall, the third sliding slot (24) and the 4th sliding slot bottom are equipped with arc-shaped slot, and two First gear (26) and second gear (27), the Four-slider (22) and the 5th sliding block are installed respectively in the arc-shaped slot (23) bottom surface be all provided with it is with teeth be engaged respectively with the first gear (26) and second gear (27), the first gear (26) and Second gear (27) makes the direction of rotation of the first gear (26) and second gear (27) on the contrary, described by gear set transmission Gear set is mounted in the shell (1).
3. a kind of cutting structure according to claim 1, it is characterised in that: be connected with L bar on the first flexible cylinder (3) (31), the telescopic rod tail end of the described first flexible cylinder (3) is equipped with third contact chip (32), and the L bar (31) is equipped with and institute State the 4th contact chip of the rotation of cutter (2) described in third contact chip (32) contact start, first flexible cylinder (3) starting The third contact chip (32) on the telescopic rod all stretched out afterwards contacts with the 4th contact chip.
CN201822241156.5U 2018-12-28 2018-12-28 A kind of cutting structure Withdrawn - After Issue CN209520937U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201822241156.5U CN209520937U (en) 2018-12-28 2018-12-28 A kind of cutting structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201822241156.5U CN209520937U (en) 2018-12-28 2018-12-28 A kind of cutting structure

Publications (1)

Publication Number Publication Date
CN209520937U true CN209520937U (en) 2019-10-22

Family

ID=68228637

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201822241156.5U Withdrawn - After Issue CN209520937U (en) 2018-12-28 2018-12-28 A kind of cutting structure

Country Status (1)

Country Link
CN (1) CN209520937U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109623905A (en) * 2018-12-28 2019-04-16 重庆市铜梁区子奇药材有限公司 A kind of cutter device
CN113870681A (en) * 2021-10-14 2021-12-31 青岛黄海学院 Interactive international trade sand table model
CN116212260A (en) * 2023-04-10 2023-06-06 朱国祥 Fire rescue breaks dismouting and puts

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109623905A (en) * 2018-12-28 2019-04-16 重庆市铜梁区子奇药材有限公司 A kind of cutter device
CN109623905B (en) * 2018-12-28 2024-01-05 重庆市铜梁区子奇药材有限公司 Cutting device
CN113870681A (en) * 2021-10-14 2021-12-31 青岛黄海学院 Interactive international trade sand table model
CN113870681B (en) * 2021-10-14 2023-07-14 青岛黄海学院 Interactive international trade sand table model
CN116212260A (en) * 2023-04-10 2023-06-06 朱国祥 Fire rescue breaks dismouting and puts
CN116212260B (en) * 2023-04-10 2023-10-24 朱国祥 Fire rescue breaks dismouting and puts

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Granted publication date: 20191022

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Granted publication date: 20191022

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