CN217090350U - Electric coffee machine - Google Patents
Electric coffee machine Download PDFInfo
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- CN217090350U CN217090350U CN202220574032.2U CN202220574032U CN217090350U CN 217090350 U CN217090350 U CN 217090350U CN 202220574032 U CN202220574032 U CN 202220574032U CN 217090350 U CN217090350 U CN 217090350U
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- powder
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Abstract
The utility model provides an electric coffee machine, include: the powder bin comprises a base, a motor shell, a motor, a rotating shaft, a motor locking plate, a powder bin, a bearing comprising an outer bearing and an inner bearing, a cutter head module comprising an outer cutter head and an inner cutter head, and an adjusting ring; the axis of rotation is in under the effect of motor, drive interior blade disc with produce relative rotation between the outer blade disc, interior blade disc with the relative rotation of outer blade disc makes the coffee beans that are located between the two ground. The utility model provides an electric coffee machine: the rotating shaft drives the inner bearing and the inner cutter disc to coaxially rotate, the outer cutter disc and the inner cutter disc rotate relatively, and coffee beans enter a grinding gap between the outer cutter disc and the inner cutter disc and are ground into coffee powder. The coffee powder leaks out to the powder bin from the bottom of the grinding gap between the outer cutter disc and the inner cutter disc. The adjustable ring drives the outer cutter head to slide along the axial direction, and the size of the gap between the outer cutter head and the inner cutter head is adjusted, so that the fineness of the ground powder is adjusted.
Description
Technical Field
The utility model relates to a coffee machine field especially relates to an electronic coffee machine.
Background
Along with the improvement of living standard of people, coffee is more and more popular among consumers, the coffee is fashionable in life of people after being drunk, and particularly for coffee enthusiasts, the working efficiency of the coffee cup with strong aroma and delicious taste is greatly improved.
However, when the current coffee bean grinder grinds coffee beans, the prior art has at least the following problems: the grinding precision is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an electric coffee machine for solve above-mentioned one or more problems.
An aspect of the utility model provides an electronic coffee machine, include:
a base;
the first end of the motor shell is fixed on the base;
a motor located within the motor housing;
the first end of the rotating shaft is connected with the motor, and the second end of the rotating shaft extends out of the second end of the motor shell;
the motor locking plate is fixed at the second end of the motor shell, is used for fixing the motor and is provided with a through hole for the rotating shaft to pass through;
the first end of the powder bin is sleeved on the outer wall of the second end of the motor shell;
the bearing is located in the powder storehouse, the bearing includes outer bearing and interior bearing, wherein: the outer bearing is fixed on the motor locking piece; the inner bearing is used for the second end of the rotating shaft to pass through and is fixedly connected with the inner bearing;
the cutter head module is positioned at the second end of the powder bin and comprises an inner cutter head and an outer cutter head; the inner cutter head is fixedly connected with the second end of the rotating shaft; the outer cutter head is axially connected with the powder bin in a sliding manner;
an adjusting ring connected with the outer cutter disc;
the adjusting ring drives the outer cutter head to move along the direction of the rotating shaft through rotation, so that the size of a gap between the outer cutter head and the inner cutter head is adjusted, and the grinding thickness degree of coffee beans is adjusted;
the coffee bean grinding machine comprises a motor, an inner cutter head, an outer cutter head, a rotary shaft, an inner cutter head, a coffee bean grinding machine and a coffee bean grinding machine, wherein the rotary shaft drives the inner cutter head and the outer cutter head to rotate relatively under the action of the motor, and the coffee beans between the inner cutter head and the outer cutter head are ground through the relative rotation of the inner cutter head and the outer cutter head.
Optionally, the method further includes:
the powder scraping ring is fixed at one end, close to the cutter head module, of the inner bearing and is used for throwing coffee powder in the powder bin out;
the rotating shaft is driven by the inner bearing to drive the powder scraping ring to rotate under the action of the motor.
Optionally, the powder scraping ring comprises an inner ring and an outer ring;
the inner ring is provided with a clamping block, and the clamping block is clamped into the inner bearing so as to be fixedly connected with the inner bearing;
the outer ring is provided with a plurality of powder scraping sheets which are uniformly distributed in the circumferential direction and used for throwing out the coffee powder in the powder bin.
Optionally, the method further includes:
the powder outlet nozzle is positioned on one side of the powder bin, and the powder bin is communicated with the powder outlet nozzle;
the coffee beans are ground into coffee powder and then enter the powder bin, and then enter the powder outlet nozzle from the powder bin.
Optionally, the powder outlet nozzle is arranged at a position on the powder bin, and corresponds to the powder scraping ring, so that powder is conveniently discharged.
Optionally, the powder outlet nozzle includes:
the inner cylinder is used for penetrating through the powder bin, and a first annular bulge is arranged on the outer side of the inner cylinder;
the outer cylinder is sleeved on the outer side of the inner cylinder in a sliding manner, and a second annular bulge and a third annular bulge are arranged on the inner side of the outer cylinder;
the spring is sleeved on the outer side of the inner cylinder and is positioned on the inner side of the outer cylinder;
wherein a first end of the spring abuts a first end of the first annular projection and a second end of the spring abuts the second annular projection; the third annular projection abuts against the second end of the first annular projection;
under the action of external force, the outer cylinder is separated from the inner cylinder along the axis direction, the first annular bulge and the third annular bulge are separated, and the spring is pressed to generate spring force; after the external force disappears, the separated outer cylinder is restored to the initial position under the action of the spring force, in the position restoration process, the first annular bulge and the third annular bulge generate impact, and the vibration generated by the impact triggers the coffee powder adsorbed on the inner wall of the inner cylinder to fall out.
Optionally, the blade disc module includes:
the cutter head cover is connected to the second end of the powder bin in a sliding mode;
the cutter head groove is fixedly connected below the cutter head cover;
the outer cutter head is positioned in the cutter head groove, and the outer side of the outer cutter head is clamped with the inner side of the cutter head groove;
the inner cutter head is partially positioned in the outer cutter head, and the outer side of the inner cutter head and the inner side of the outer cutter head are matched to grind coffee beans.
Optionally, an axial guide port is arranged at the second end of the powder bin;
the outer side of the cutter head cover is provided with screw teeth, and the screw teeth are clamped into the internal thread of the adjusting ring through the guide port;
when the adjustable ring is rotatory, the revolving force drive of production the screw tooth is followed the guide mouth slides, drives outer cutter head axial slip adjusts outer cutter head with clearance size between the interior cutter head to the thickness degree is ground in the adjustment.
Optionally, the method further includes:
and the bean bin is positioned on the cutter head cover and is used for containing coffee beans to be ground.
Optionally, the method further includes:
a cover positioned above the bean storehouse and used for covering the feeding inlet of the bean storehouse.
The utility model provides an electric coffee machine:
(1) after the power is on, the motor drives the rotating shaft to rotate.
(2) The rotating shaft drives the inner bearing and the inner cutter head to coaxially rotate.
(3) The outer cutter disc is fixed differently, the inner cutter disc rotates, and coffee beans enter a grinding gap between the outer cutter disc and the inner cutter disc to be ground into coffee powder due to relative rotation of the outer cutter disc and the inner cutter disc.
(5) The coffee powder leaks out to the powder bin from the bottom of the grinding gap between the outer cutter disc and the inner cutter disc.
(6) The coffee powder entering the powder bin is supplied to a user through the powder outlet nozzle.
The adjustable ring drives the outer cutter head to slide along the axial direction, and the size of the gap between the outer cutter head and the inner cutter head is adjusted, so that the fineness of the ground powder is adjusted.
Drawings
Fig. 1 schematically shows a schematic disassembled view of the electric coffee machine of the present invention.
Fig. 2 schematically shows a cross-sectional view of an electric coffee maker.
Fig. 3 schematically shows a schematic view of the cutter head cover, cutter head pocket and outer cutter head.
Fig. 4 shows a schematic representation of the inner cutter head.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
The electric coffee machine of the present invention will be described in detail with reference to fig. 1 to 4.
An electric coffee machine comprising:
a base 1;
a first end of the motor casing 2 is fixed on the base 1, and a power supply port 21 and a switch button 22 are arranged on the motor casing 2;
the motor 3 is positioned in the motor shell 2;
a rotating shaft 4, the first end of which is connected with the motor 3 and the second end of which extends out of the second end of the motor shell 2;
the motor locking plate 5 is fixed at the second end of the motor shell 2, is used for fixing the motor 3, and is provided with a through hole for the rotating shaft 4 to pass through;
a powder bin 6, wherein the first end of the powder bin is sleeved on the outer wall of the second end of the motor shell 2;
the bearing 7 is arranged in the powder bin 6 and comprises an outer bearing and an inner bearing which are concentrically arranged, wherein: the outer bearing is fixed on the motor locking plate 5; the inner bearing is used for the second end of the rotating shaft 4 to pass through and is fixedly connected with the inner bearing;
the cutter head module 8 is positioned at the second end of the powder bin 6, and the cutter head module 8 comprises an inner cutter head 84 and an outer cutter head 83 which are concentrically arranged; wherein, the inner cutter disc 84 is fixedly connected with the second end of the rotating shaft 4; the outer cutter head 83 is in sliding connection with the powder bin 6;
the adjusting ring 9 is connected with the outer cutter head 83;
the adjusting ring 9 drives the outer cutter disc 83 to move along the direction of the rotating shaft 4 through rotation, so that the size of a gap between the outer cutter disc 83 and the inner cutter disc 84 is adjusted, and the grinding thickness degree of coffee beans is adjusted;
the rotating shaft 4 drives the inner cutter disc 84 and the outer cutter disc 83 to rotate relatively under the action of the motor 3, and the coffee beans between the inner cutter disc 84 and the outer cutter disc 83 are ground through the relative rotation of the inner cutter disc 84 and the outer cutter disc 83.
The electric coffee machine provided by the embodiment has the following technical effects:
(1) after being electrified, the motor 3 drives the rotating shaft 4 to rotate.
(2) The rotating shaft 4 drives the inner bearing and the inner cutter disc 84 to coaxially rotate.
(3) The outer cutter disc 83 is fixed differently and the inner cutter disc 84 rotates, so that the outer cutter disc 83 and the inner cutter disc 84 rotate relatively, and coffee beans enter the grinding gap between the outer cutter disc 83 and the inner cutter disc 84 to be ground into coffee powder.
(5) The coffee grounds leak out of the bottom of the grinding gap between the outer cutter disc 83 and the inner cutter disc 84 to the grounds bin 6.
(6) The coffee powder entering the powder bin 6 passes through the powder outlet nozzle 11 for use by a user.
The adjusting ring 9 drives the outer cutter disc 83 to slide along the axial direction, and the size of the gap between the outer cutter disc 83 and the inner cutter disc 84 is adjusted, so that the fineness of ground powder is adjusted.
As an alternative embodiment, in order to throw the coffee powder out of the powder bin 6 without leaving residual powder, the electric coffee maker further comprises:
the powder scraping ring 10 is fixed at one end, close to the cutter head module 8, in the inner bearing and is used for throwing coffee powder in the powder bin out;
the rotating shaft 4 drives the powder scraping ring 10 to rotate through the inner bearing under the action of the motor 3.
As an alternative embodiment, in order to throw the coffee powder out of the powder bin 6 without leaving residual powder, the powder scraping ring 10 comprises an inner ring and an outer ring;
the inner ring is provided with a clamping block, and the clamping block is clamped into the inner bearing so as to be fixedly connected with the inner bearing;
wherein, the outer ring is provided with a plurality of powder scraping sheets which are uniformly distributed in the circumferential direction and used for throwing out the coffee powder in the powder bin 6.
As an alternative embodiment, in order to efficiently throw out the coffee powder to the powder outlet nozzle 11, the electric coffee maker further includes:
the powder outlet nozzle 11 is positioned on one side of the powder bin 6, and the powder bin 6 is communicated with the powder outlet nozzle;
the coffee beans are ground into coffee powder and then enter the powder bin 6, and then enter the powder outlet nozzle from the powder bin 6.
As an alternative embodiment, the powder outlet nozzle 11 is arranged on the powder bin 6 at a position corresponding to the position of the powder scraping ring 10, so as to facilitate powder outlet.
As an alternative embodiment, in order to escape the coffee powder from the powder outlet nozzle 11 without leaving residual powder in the powder outlet nozzle 11, the powder outlet nozzle 11 comprises: inner cylinder 111, outer cylinder 112, spring 113. The inner cylinder 111 is used for penetrating through the powder bin 6, and a first annular protrusion 1111 is arranged on the outer side of the inner cylinder 111; the outer cylinder 112 is slidably sleeved on the outer side of the inner cylinder 111, and a second annular protrusion 1121 and a third annular protrusion 1122 are arranged on the inner side of the outer cylinder 112; a spring 113 sleeved outside the inner cylinder 111 and located inside the outer cylinder 112; wherein a first end of the spring 113 abuts against a first end of the first annular protrusion 1111 and a second end of the spring 113 abuts against the second annular protrusion 1121; the third annular projection 1122 abuts against a second end of the first annular projection 1111; under the action of external force, the outer cylinder 112 is separated from the inner cylinder 111 along the axial direction, the first annular protrusion 1111 and the third annular protrusion 1122 are separated, and the spring 113 is pressed to generate a spring force; after the external force disappears, the detached outer cylinder 112 is restored to the initial position under the action of the spring force, and in the process of position restoration, the first annular protrusion 1111 and the third annular protrusion 1122 generate impact, and the vibration generated by the impact triggers the coffee powder adsorbed on the inner wall of the inner cylinder 111 to fall out.
As an alternative embodiment, for high-efficiency grinding, the cutter head module 8 includes:
a cutter head cover 81 slidably connected to the second end of the powder bin 6;
a cutter head groove 82 fixedly connected below the cutter head cover 81;
the outer cutter head is positioned in the cutter head groove 82, and the outer side of the outer cutter head 83 is clamped with the inner side of the cutter head groove 82;
the inner cutter head is partially positioned in the outer cutter head 83, and the outer side of the inner cutter head 84 and the inner side of the outer cutter head 83 are matched to grind coffee beans.
As an alternative embodiment, in order to efficiently adjust the grinding thickness, the second end of the powder bin 6 is provided with an axial guide port;
the outer side of the cutter head cover is provided with screw teeth, and the screw teeth are clamped into the internal thread of the adjusting ring 9 through the guide port;
when the adjusting ring 9 rotates, the generated rotating force drives the screw teeth to slide along the guide port, so as to drive the outer cutter head 83 to axially slide and adjust the gap between the outer cutter head 83 and the inner cutter head 84, thereby adjusting the grinding thickness.
As an alternative embodiment, the electric coffee machine further comprises:
a bean bin 12, located on the cutter head cover, for containing coffee beans to be ground.
As an alternative embodiment, the electric coffee machine further comprises:
a cover 13 is positioned above the bean storehouse 12 and is used for covering the feeding inlet of the bean storehouse 12.
The electric coffee machine provided by the above embodiment works according to the following principle:
(1) after being electrified, the motor 3 drives the rotating shaft 4 to rotate.
(2) The rotating shaft 4 drives the inner bearing, the powder scraping ring 10 and the inner cutter disc 84 to coaxially rotate.
(3) The outer cutter head 83 is fixed differently and the inner cutter head 84 rotates, so that the outer cutter head 83 and the inner cutter head 84 rotate relative to each other.
(4) Coffee beans are poured into the bean bin 12 and covered by the cover 13, and the bottom of the bean bin 12 is communicated with the cutter head module 8. When the outer cutter disc 83 and the inner cutter disc 84 are relatively rotated, coffee beans enter the grinding gap between the outer cutter disc 83 and the inner cutter disc 84 and are ground into coffee powder.
(5) The coffee grounds leak out of the bottom of the grinding gap between the outer cutter disc 83 and the inner cutter disc 84 to the grounds bin 6.
(6) The coffee powder entering the powder bin 6 passes through the powder outlet nozzle 11 for use by a user.
Wherein:
the adjusting ring 9 is a digital display micrometer. The position of the screw teeth 811 in the internal threads of the adjusting ring 9 is adjusted through rotation, the cutter head cover 81, the cutter head groove 82 and the outer cutter head 83 are driven to slide along the axial direction through the screw teeth 811, so that the size of a gap between the outer cutter head 83 and the inner cutter head 84 is adjusted, the ground powder thickness is adjusted, the adjusting precision is fine and smooth, and the number is considerable.
Because the powder scraping ring 10 is fixed at one end of the inner bearing close to the cutter head module 8, the position of the powder scraping ring corresponds to that of the powder outlet nozzle 11, and the powder scraping sheet of the powder scraping ring 10 rotates around the inner bearing. After the coffee powder leaks out from the bottom of the grinding gap between the outer cutter disk 83 and the inner cutter disk 84, the rotating powder scraping sheet will push the coffee powder out of the powder outlet nozzle 11. The powder scraping sheet is in a fan blade shape, so that the coffee powder in the powder bin 6 can be scraped without remaining powder.
The powder outlet nozzle 11 comprises an inner cylinder 111, an outer cylinder 112 and a spring 113, under the action of spring force, the inner cylinder 111 and the outer cylinder 112 generate impact, and the vibration generated by the impact triggers the coffee powder adsorbed on the inner wall of the inner cylinder 111 to fall out.
The above is only the preferred embodiment of the present invention, and not the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. An electric coffee machine, characterized in that it comprises:
a base;
the first end of the motor shell is fixed on the base;
a motor located within the motor housing;
the first end of the rotating shaft is connected with the motor, and the second end of the rotating shaft extends out of the second end of the motor shell;
the motor locking plate is fixed at the second end of the motor shell, is used for fixing the motor and is provided with a through hole for the rotating shaft to pass through;
the first end of the powder bin is sleeved on the outer wall of the second end of the motor shell;
the bearing is located in the powder storehouse, the bearing includes outer bearing and interior bearing, wherein: the outer bearing is fixed on the motor locking piece; the inner bearing is used for the second end of the rotating shaft to pass through and is fixedly connected with the inner bearing;
the cutter head module is positioned at the second end of the powder bin and comprises an inner cutter head and an outer cutter head; the inner cutter head is fixedly connected with the second end of the rotating shaft; the outer cutter head is axially connected with the powder bin in a sliding manner;
an adjusting ring connected with the outer cutter disc;
the adjusting ring drives the outer cutter head to move along the direction of the rotating shaft through rotation, so that the size of a gap between the outer cutter head and the inner cutter head is adjusted, and the grinding thickness degree of coffee beans is adjusted;
the coffee bean grinding machine comprises a motor, an inner cutter head, an outer cutter head, a rotary shaft, an inner cutter head, a coffee bean grinding machine and a coffee bean grinding machine, wherein the rotary shaft drives the inner cutter head and the outer cutter head to rotate relatively under the action of the motor, and the coffee beans between the inner cutter head and the outer cutter head are ground through the relative rotation of the inner cutter head and the outer cutter head.
2. The electric coffee machine of claim 1, further comprising:
the powder scraping ring is fixed at one end, close to the cutter head module, of the inner bearing and is used for throwing coffee powder in the powder bin out;
the rotating shaft is driven by the inner bearing to drive the powder scraping ring to rotate under the action of the motor.
3. An electric coffee machine according to claim 2, characterized in that:
the powder scraping ring comprises an inner ring and an outer ring;
the inner ring is provided with a clamping block, and the clamping block is clamped into the inner bearing so as to be fixedly connected with the inner bearing;
the outer ring is provided with a plurality of powder scraping sheets which are uniformly distributed in the circumferential direction and used for throwing out the coffee powder in the powder bin.
4. The electric coffee machine of claim 2, further comprising:
the powder outlet nozzle is positioned on one side of the powder bin, and the powder bin is communicated with the powder outlet nozzle;
the coffee beans are ground into coffee powder and then enter the powder bin, and then enter the powder outlet nozzle from the powder bin.
5. An electric coffee machine according to claim 4, characterized in that:
the powder outlet nozzle is arranged at the position on the powder bin and corresponds to the position of the powder scraping ring, so that powder is conveniently discharged.
6. An electric coffee machine according to claim 4 or 5, characterized in that:
the powder outlet nozzle comprises:
the inner cylinder is used for penetrating through the powder bin, and a first annular bulge is arranged on the outer side of the inner cylinder;
the outer cylinder is sleeved on the outer side of the inner cylinder in a sliding manner, and a second annular bulge and a third annular bulge are arranged on the inner side of the outer cylinder;
the spring is sleeved on the outer side of the inner barrel and is positioned on the inner side of the outer barrel;
wherein a first end of the spring abuts a first end of the first annular projection and a second end of the spring abuts the second annular projection; the third annular projection abuts against the second end of the first annular projection;
under the action of external force, the outer cylinder is separated from the inner cylinder along the axis direction, the first annular bulge and the third annular bulge are separated, and the spring is pressed to generate spring force; after the external force disappears, the separated outer cylinder is restored to the initial position under the action of the spring force, in the position restoration process, the first annular bulge and the third annular bulge generate impact, and the vibration generated by the impact triggers the coffee powder adsorbed on the inner wall of the inner cylinder to fall out.
7. The electric coffee machine of any one of claims 1 to 5, characterized in that said cutterhead module comprises:
the cutter head cover is connected to the second end of the powder bin in a sliding mode;
the cutter head groove is fixedly connected below the cutter head cover;
the outer cutter head is positioned in the cutter head groove, and the outer side of the outer cutter head is clamped with the inner side of the cutter head groove;
the inner cutter head is partially positioned in the outer cutter head, and the outer side of the inner cutter head and the inner side of the outer cutter head are matched to grind coffee beans.
8. An electric coffee machine according to claim 7, characterized in that:
the second end of the powder bin is provided with an axial guide port;
the outer side of the cutter head cover is provided with screw teeth, and the screw teeth are clamped into the internal thread of the adjusting ring through the guide port;
when the adjustable ring is rotatory, the revolving force drive of production the screw tooth is followed the guide mouth slides, drives outer cutter head axial slip adjusts outer cutter head with clearance size between the interior cutter head to the thickness degree is ground in the adjustment.
9. The electric coffee machine of claim 7, further comprising:
and the bean bin is positioned on the cutter head cover and is used for containing coffee beans to be ground.
10. The electric coffee machine of claim 9, further comprising:
a cover positioned above the bean storehouse and used for covering the feeding inlet of the bean storehouse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220574032.2U CN217090350U (en) | 2022-03-16 | 2022-03-16 | Electric coffee machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220574032.2U CN217090350U (en) | 2022-03-16 | 2022-03-16 | Electric coffee machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217090350U true CN217090350U (en) | 2022-08-02 |
Family
ID=82602246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220574032.2U Active CN217090350U (en) | 2022-03-16 | 2022-03-16 | Electric coffee machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217090350U (en) |
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2022
- 2022-03-16 CN CN202220574032.2U patent/CN217090350U/en active Active
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