CN218638689U - Fixed frock of tubular product cutting - Google Patents
Fixed frock of tubular product cutting Download PDFInfo
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- CN218638689U CN218638689U CN202223356343.0U CN202223356343U CN218638689U CN 218638689 U CN218638689 U CN 218638689U CN 202223356343 U CN202223356343 U CN 202223356343U CN 218638689 U CN218638689 U CN 218638689U
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- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model discloses a pipe cutting and fixing tool, which comprises a fixed seat, a first clamping device, a second clamping device and an auxiliary clamping device; the fixed seat is provided with a placing groove for placing a pipe, the placing groove is positioned between the first clamping device and the second clamping device, and a cutting gap is arranged between the first clamping device and the placing groove; the first clamping device is connected to the fixed seat and used for clamping one end of a pipe located in the placing groove, the second clamping device is connected to the fixed seat and used for clamping the other end of the pipe located in the placing groove, the auxiliary clamping device is connected to the fixed seat, and measuring scales are arranged on the fixed seat. The utility model discloses can measure the length of tubular product, can fixed length cutting tubular product to can prevent that tubular product from vibrating when the cutting, can improve the incision quality.
Description
Technical Field
The utility model relates to a frock is fixed in tubular product cutting.
Background
At present, when the pipe is cut, a tool needs to be used for clamping and fixing the pipe, and then the pipe is cut through a cutting device. Chinese patent publication No. CN216912298U discloses a fixture tool adapted to cutting of multi-size steel pipes, which is used for fixing a pipe, and comprises a bottom plate and two clamping assemblies, wherein the clamping assemblies are connected to the bottom plate and used for clamping two end portions of the pipe. However, the clamp tool suitable for cutting the steel pipes with multiple sizes cannot measure the length of the pipes, so that the pipe is not convenient to cut at a fixed length and is inconvenient to use. And two the centre gripping subassembly is far away, and there is the risk of vibration in tubular product during the cutting, can lead to tubular product incision quality variation, incision unevenness.
Disclosure of Invention
The utility model aims to solve the technical problem that overcome prior art's defect, provide a frock is fixed in tubular product cutting, its length that can measure tubular product can fixed length cutting tubular product to can prevent that tubular product from vibrating when the cutting, can improve the incision quality.
In order to solve the technical problem, the technical scheme of the utility model is that: a pipe cutting and fixing tool comprises a fixing seat, a first clamping device, a second clamping device and an auxiliary clamping device; wherein,
a placing groove for placing a pipe is formed in the fixing seat, the placing groove is located between the first clamping device and the second clamping device, and a cutting gap is formed between the first clamping device and the placing groove;
the first clamping device is connected to the fixed seat and is used for clamping one end of the pipe positioned in the placing groove;
the second clamping device is connected to the fixed seat and is used for clamping the other end of the pipe positioned in the placing groove;
the auxiliary clamping device is connected to the fixed seat, is positioned between the first clamping device and the second clamping device and is used for pressing the pipe in the placing groove;
the fixed seat is provided with a measuring scale.
Further provides a concrete structure of the fixed seat, wherein the fixed seat comprises a bottom plate and a supporting seat; wherein,
the supporting seat is connected to the bottom plate and is positioned between the first clamping device and the second clamping device;
the placing groove is formed in the supporting seat.
Furthermore, the measuring scale is arranged on the supporting seat;
the cutting gap is arranged between the first clamping device and the supporting seat.
Further provides a concrete structure of the first clamping device, and the first clamping device comprises a support block, a pressing block and a locking mechanism; wherein,
the support block is connected to the fixed seat and is used for supporting the pipe;
one end of the pressing block is hinged to the support block, and the pressing block is used for rotating to press the pipe on the support block;
the locking mechanism is connected between the support block and the pressing block and used for locking and connecting the pressing block on the support block.
Furthermore, the pressing block and the support block are both provided with grooves matched with the pipe.
Further provides a specific structure of the second clamping device, wherein the second clamping device comprises a left clamping block, a right clamping block, a left driving piece and a right driving piece; wherein,
the left clamping block is connected to the left driving piece and is positioned on one side of the pipe;
the right clamping block is connected to the right driving piece and is positioned on the other side of the pipe;
the left driving piece is connected to the fixed seat and is used for driving the left clamping block to move;
the right driving piece is connected to the fixed seat and used for driving the right clamping block to move.
Further, the left driving part and the right driving part are hydraulic cylinders.
Further provided is a concrete structure of the left clamp splice and the right clamp splice, the left clamp splice and the right clamp splice respectively include:
a plate body;
the upper abutting block is connected to the plate body and used for abutting against the pipe;
and the lower abutting block is connected to the plate body and positioned below the upper abutting block and used for abutting against the pipe.
The auxiliary clamping device comprises a first connecting seat, a second connecting seat, a first pressing plate, a second pressing plate, a first clamping plate, a second clamping plate and a clamping mechanism; wherein,
the first connecting seat is connected to the fixed seat and is positioned on one side of the placing groove;
the second connecting seat is connected to the fixed seat and is positioned on the other side of the placing groove;
one end part of the first pressing plate is hinged to the first connecting seat;
one end part of the second pressure plate is hinged on the second connecting seat;
the lower end part of the first clamping plate is connected to the first pressing plate;
the lower end part of the second clamping plate is connected to the second pressing plate;
the clamping mechanism is respectively connected with the upper end part of the first clamping plate and the upper end part of the second clamping plate and is used for driving the upper end part of the first clamping plate and the upper end part of the second clamping plate to mutually approach so as to drive the first pressing plate and the second pressing plate to press the pipes in the placing groove.
Further, a first sliding block part is arranged on the first connecting seat, a first sliding groove extending along the length direction of the placing groove is formed in one side end of the supporting seat, and the first sliding block part is in sliding fit in the first sliding groove so that the first connecting seat is connected to one side end of the supporting seat in a sliding mode;
the second connecting seat is provided with a second sliding block part, the other side end of the supporting seat is provided with a second sliding groove extending along the length direction of the placing groove, and the second sliding block part is arranged in the second sliding groove in a sliding mode so that the second connecting seat is connected to the other side end of the supporting seat in a sliding mode.
After the technical scheme is adopted, the pipe to be cut is placed in the placing groove, the length of the pipe to be cut is measured through the measuring scales, then a mark is drawn at the length of the pipe to be cut by using tools such as a marking pen, the pipe is moved to enable the mark to move into the cutting gap, then the pipe is clamped and fixed by the first clamping device, the second clamping device and the auxiliary clamping device, the pipe is cut in the cutting gap through the cutting device, the operation is very convenient, the length can be measured through the measuring scales, and the fixed-length cutting of the pipe is further achieved. In addition, the auxiliary clamping device tightly presses the pipes in the placing groove, so that the pipes can be prevented from vibrating during cutting, the quality of cuts can be improved, and the flatness of the cuts is improved.
Drawings
Fig. 1 is a first schematic structural view of the pipe cutting and fixing tool of the present invention;
fig. 2 is a second schematic structural view of the pipe cutting and fixing tool of the present invention;
fig. 3 is a schematic structural view of the auxiliary clamping device of the present invention;
fig. 4 is a detail view of a portion of fig. 1.
Detailed Description
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the accompanying drawings.
As shown in fig. 1 to 4, a pipe cutting and fixing tool includes a fixing base 100, a first clamping device 200, a second clamping device 300, and an auxiliary clamping device 400; wherein,
a placing groove 2 for placing a pipe 1 is arranged on the fixed seat 100, the placing groove 2 is positioned between the first clamping device 200 and the second clamping device 300, and a cutting gap 3 is arranged between the first clamping device 200 and the placing groove 2;
the first clamping device 200 is connected to the fixed seat 100 and is used for clamping one end of the pipe 1 in the placing groove 2;
the second clamping device 300 is connected to the fixed seat 100 and is used for clamping the other end of the pipe 1 in the placing groove 2;
the auxiliary clamping device 400 is connected to the fixed seat 100, and the auxiliary clamping device 400 is located between the first clamping device 200 and the second clamping device 300 and is used for pressing the pipe 1 in the placing groove 2;
the fixed seat 100 is provided with a measuring scale 4; specifically, the pipe 1 to be cut is placed in the placing groove 2, the length of the pipe 1 to be cut is measured through the measuring scale 4, then a mark is drawn at the length to be cut by using a tool such as a marking pen, the pipe 1 is moved to enable the mark to move into the cutting gap 3, then the pipe 1 is clamped and fixed by the first clamping device 200, the second clamping device 300 and the auxiliary clamping device 400, then the pipe 1 is cut in the cutting gap 3 through the cutting device, the operation is very convenient, the length can be measured through the measuring scale 4, and then the pipe 1 is cut in a fixed length manner. Further specifically, the auxiliary clamping device 400 compresses the pipe 1 in the placing groove 2, so that the pipe 1 can be prevented from vibrating during cutting, the quality of the cut can be improved, and the flatness of the cut is improved. The groove may be an arc groove, and the specific structure of the cutting device is the prior art well known to those skilled in the art, which is not described in detail in this embodiment.
As shown in fig. 1, 2 and 4, the fixing base 100 may include a bottom plate 5 and a supporting base 6; wherein,
the supporting seat 6 is connected to the bottom plate 5 and is located between the first clamping device 200 and the second clamping device 300;
the placing groove 2 is arranged on the supporting seat 6;
the measuring scale 4 is arranged on the supporting seat 6;
the cutting gap 3 is provided between the first clamping device 200 and the support seat 6.
As shown in fig. 1 and 2, the first clamping device 200 includes, for example and without limitation, a support block 7, a pressing block 8 and a locking mechanism; wherein,
the supporting block 7 is connected to the fixing seat 100 and is used for supporting the pipe 1;
one end of the pressing block 8 is hinged to the support block 7, and the pressing block 8 is used for rotating to press the pipe 1 on the support block 7;
the locking mechanism is connected between the support block 7 and the pressing block 8 and is used for locking and connecting the pressing block 8 on the support block 7; specifically, the locking mechanism includes a locking bolt 9, and the locking bolt 9 is threaded on the support block 7 after penetrating through the pressing block 8 so as to lock the pressing block 8 on the support block 7.
In this embodiment, the measurement scale 4 is set by setting the end face of the support block 7 as a zero scale position, firstly, one end of the pipe 1 in the placing groove 2 is moved to be aligned with the end face of the support block 7, then the pipe 1 is clamped and fixed by the pressing block 8 and the support block 7, and the length of the pipe 1 to be cut is measured by the measurement scale 4 and a mark is drawn. Then the press block 8 is released, the tube 1 is moved so that the mark is moved into the cutting space 3, then one end of the tube 1 is clamped by the shoe 7 and the press block 8, the other end of the tube 1 is clamped by the second clamping device 300, the tube 1 is pressed in the placement groove 2 by the auxiliary clamping device 400, and then the tube 1 is cut in the cutting space 3 by using the cutting device. Through measure scale 4 can be both convenient and swift measure the length that the department the tubular product 1 needs the cutting, and then can the efficient realize fixed length cutting tubular product 1, unusual convenient and fast.
As shown in fig. 1 and 2, grooves adapted to the pipe 1 are formed in the pressing block 8 and the supporting block 7; specifically, the groove may be a semicircular groove.
As shown in fig. 1, 2 and 4, the second clamping device 300 is, for example and without limitation, a structure including a left clamping block 10, a right clamping block 11, a left driving member 12 and a right driving member 13; wherein,
the left clamping block 10 is connected to the left driving piece 12 and is positioned on one side of the pipe 1;
the right clamping block 11 is connected to the right driving piece 13 and is positioned on the other side of the pipe 1;
the left driving element 12 is connected to the fixing seat 100 and is used for driving the left clamping block 10 to move;
the right driving part 13 is connected to the fixed seat 100 and is used for driving the right clamping block 11 to move; specifically, the left clamp block 10 and the right clamp block 11 are driven to move towards each other to clamp the pipe 1, or driven to move away from each other to release the pipe 1. In this embodiment, the left driving element 12 and the right driving element 13 are both fixedly connected to the bottom plate 5 in the fixing base 100 through a support, and the supporting block 7 is also fixedly connected to the bottom plate 5.
In this embodiment, the left driving member 12 and the right driving member 13 are both hydraulic cylinders; specifically, the left clamping block 10 and the right clamping block 11 are connected to piston rods of corresponding hydraulic cylinders.
As shown in fig. 1, 2 and 4, the left clamping block 10 and the right clamping block 11 may respectively include:
a plate body 14;
the upper abutting block 15 is connected to the plate body 14 and used for abutting against the pipe 1;
the lower abutting block 16 is connected to the plate body 14, located below the upper abutting block 15 and used for abutting against the pipe 1; specifically, the upper abutting block 15 is used for abutting against the upper end of the pipe 1, and the lower abutting block 16 is used for abutting against the lower end of the pipe 1, so that the pipe 1 can be stably clamped.
As shown in fig. 1 to 3, the auxiliary clamping device 400 includes, for example, but not limited to, a first connecting seat 17, a second connecting seat 18, a first pressing plate 19, a second pressing plate 20, a first clamping plate 21, a second clamping plate 22, and a clamping mechanism; wherein,
the first connecting seat 17 is connected to the fixed seat 100 and is located at one side of the placing groove 2;
the second connecting seat 18 is connected to the fixing seat 100 and is located at the other side of the placing groove 2;
one end of the first pressing plate 19 is hinged on the first connecting seat 17;
one end of the second pressing plate 20 is hinged on the second connecting seat 18;
the lower end part of the first clamping plate 21 is connected to the first pressing plate 19;
the lower end of the second clamping plate 22 is connected to the second pressing plate 20;
the clamping mechanism is respectively connected with the upper end of the first clamping plate 21 and the upper end of the second clamping plate 22, and the clamping mechanism is used for driving the upper end of the first clamping plate 21 and the upper end of the second clamping plate 22 to approach each other so as to drive the first pressing plate 19 and the second pressing plate 20 to press the pipe 1 in the placing groove 2. Specifically, when the upper end of the first clamping plate 21 and the upper end of the second clamping plate 22 approach each other, the first clamping plate 19 and the second clamping plate 20 are driven to rotate downward, so as to press the tube 1 in the placing groove 2. In this embodiment, the clamping mechanism includes a clamping bolt 23 and a clamping nut, and the clamping bolt 23 is connected to the clamping nut after passing through the upper end portion of the first clamping plate 21 and the upper end portion of the second clamping plate 22, so that the upper end portion of the first clamping plate 21 and the upper end portion of the second clamping plate 22 can be brought close to each other by screwing the clamping nut.
More specifically, when cutting the pipe 1 with a short length, the first clamping device 200 can clamp one end of the pipe 1, and since the pipe 1 is short, the other end of the pipe 1 does not extend into the second clamping device 300, so that the second clamping device 300 cannot clamp the pipe 1, and at this time, the pipe 1 can be pressed in the placing groove 2 by the auxiliary clamping device 400, and both ends of the pipe 1 are fixed. And current frock can only fix a tip of tubular product 1 when fixed shorter tubular product 1, and the tubular product cutting of this application embodiment is fixed the frock when cutting shorter tubular product 1, can fix a tip of tubular product 1 through first clamping device 200, fixes another tip of tubular product 1 through auxiliary clamping device 400, and then has improved the fixed stability of tubular product 1, avoids the unstable condition that appears when cutting shorter tubular product 1.
As shown in fig. 1 to 4, a first slider portion 24 is disposed on the first connecting seat 17, a first sliding groove 25 extending along the length direction of the placing groove 2 is disposed on one side end of the supporting seat 6, and the first slider portion 24 is slidably fitted in the first sliding groove 25 so that the first connecting seat 17 is slidably connected to one side end of the supporting seat 6;
the second connecting seat 18 is provided with a second sliding block portion 26, the other side end of the supporting seat 6 is provided with a second sliding groove extending along the length direction of the placing groove 2, and the second sliding block portion 26 is slidably fitted in the second sliding groove so that the second connecting seat 18 is slidably connected to the other side end of the supporting seat 6, and the first connecting seat 17 and the second connecting seat 18 can be further slid to a required position to obtain an optimal clamping effect.
In summary, the pipe 1 to be cut is placed in the placing groove 2, the length of the pipe 1 to be cut is measured through the measuring scale 4, then a mark is drawn at the length to be cut by using a tool such as a marking pen, the pipe 1 is moved to move the mark into the cutting gap 3, then the pipe 1 is clamped and fixed by the first clamping device 200, the second clamping device 300 and the auxiliary clamping device 400, and then the pipe 1 is cut in the cutting gap 3 through the cutting device, so that the operation is very convenient, the length can be measured through the measuring scale 4, and the pipe 1 can be cut in a fixed length manner. In addition, the auxiliary clamping device 400 presses the tube 1 in the placing groove 2, so that the tube 1 can be prevented from vibrating during cutting, the quality of the cut can be improved, and the flatness of the cut can be improved.
The above-mentioned embodiments further explain in detail the technical problems, technical solutions and advantages solved by the present invention, and it should be understood that the above only is a specific embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A pipe cutting and fixing tool is characterized by comprising a fixed seat (100), a first clamping device (200), a second clamping device (300) and an auxiliary clamping device (400); wherein,
a placing groove (2) for placing a pipe (1) is formed in the fixed seat (100), the placing groove (2) is located between the first clamping device (200) and the second clamping device (300), and a cutting gap (3) is formed between the first clamping device (200) and the placing groove (2);
the first clamping device (200) is connected to the fixed seat (100) and is used for clamping one end of the pipe (1) in the placing groove (2);
the second clamping device (300) is connected to the fixed seat (100) and is used for clamping the other end of the pipe (1) in the placing groove (2);
the auxiliary clamping device (400) is connected to the fixed seat (100), and the auxiliary clamping device (400) is positioned between the first clamping device (200) and the second clamping device (300) and is used for pressing the pipe (1) in the placing groove (2);
the fixed seat (100) is provided with a measuring scale (4).
2. The pipe cutting and fixing tool according to claim 1, wherein the fixing seat (100) comprises a bottom plate (5) and a supporting seat (6); wherein,
the supporting seat (6) is connected to the bottom plate (5) and is positioned between the first clamping device (200) and the second clamping device (300);
the placing groove (2) is arranged on the supporting seat (6).
3. The pipe cutting and fixing tool according to claim 2,
the measuring scale (4) is arranged on the supporting seat (6);
the cutting gap (3) is arranged between the first clamping device (200) and the supporting seat (6).
4. The pipe cutting and fixing tool according to claim 1, wherein the first clamping device (200) comprises a supporting block (7), a pressing block (8) and a locking mechanism; wherein,
the support block (7) is connected to the fixed seat (100) and is used for supporting the pipe (1);
one end of the pressing block (8) is hinged to the support block (7), and the pressing block (8) is used for rotating to press the pipe (1) on the support block (7);
the locking mechanism is connected between the support block (7) and the pressing block (8) and used for locking and connecting the pressing block (8) on the support block (7).
5. The pipe cutting and fixing tool according to claim 4, wherein grooves matched with the pipe (1) are formed in the pressing block (8) and the supporting block (7).
6. The pipe cutting and fixing tool according to claim 1, wherein the second clamping device (300) comprises a left clamping block (10), a right clamping block (11), a left driving piece (12) and a right driving piece (13); wherein,
the left clamping block (10) is connected to the left driving piece (12) and is positioned on one side of the pipe (1);
the right clamping block (11) is connected to the right driving piece (13) and is positioned on the other side of the pipe (1);
the left driving piece (12) is connected to the fixed seat (100) and is used for driving the left clamping block (10) to move;
the right driving piece (13) is connected to the fixed seat (100) and used for driving the right clamping block (11) to move.
7. The pipe cutting and fixing tool according to claim 6, wherein the left driving piece (12) and the right driving piece (13) are both hydraulic cylinders.
8. The pipe cutting and fixing tool according to claim 6, wherein the left clamping block (10) and the right clamping block (11) respectively comprise:
a plate body (14);
the upper abutting block (15), the upper abutting block (15) is connected to the plate body (14) and used for abutting against the pipe (1);
the lower abutting block (16) is connected to the plate body (14), located below the upper abutting block (15) and used for abutting against the pipe (1).
9. The pipe cutting and fixing tool according to claim 1, wherein the auxiliary clamping device (400) comprises a first connecting seat (17), a second connecting seat (18), a first pressing plate (19), a second pressing plate (20), a first clamping plate (21), a second clamping plate (22) and a clamping mechanism; wherein,
the first connecting seat (17) is connected to the fixed seat (100) and is positioned on one side of the placing groove (2);
the second connecting seat (18) is connected to the fixed seat (100) and is positioned on the other side of the placing groove (2);
one end part of the first pressing plate (19) is hinged on the first connecting seat (17);
one end part of the second pressing plate (20) is hinged on the second connecting seat (18);
the lower end part of the first clamping plate (21) is connected to the first pressing plate (19);
the lower end part of the second clamping plate (22) is connected to the second pressing plate (20);
the clamping mechanism is connected with the upper end of the first clamping plate (21) and the upper end of the second clamping plate (22) respectively, and is used for driving the upper end of the first clamping plate (21) and the upper end of the second clamping plate (22) to approach each other so as to drive the first pressing plate (19) and the second pressing plate (20) to press the pipes (1) in the placing groove (2).
10. The pipe cutting and fixing tool according to claim 9,
the fixed seat (100) comprises a bottom plate (5) and a supporting seat (6);
the supporting seat (6) is connected to the bottom plate (5) and is positioned between the first clamping device (200) and the second clamping device (300);
the placing groove (2) is arranged on the supporting seat (6);
a first sliding block part (24) is arranged on the first connecting seat (17), a first sliding groove (25) extending along the length direction of the placing groove (2) is arranged at one side end of the supporting seat (6), and the first sliding block part (24) is slidably matched in the first sliding groove (25) so that the first connecting seat (17) is slidably connected to one side end of the supporting seat (6);
the second connecting seat (18) is provided with a second sliding block part (26), the other side end of the supporting seat (6) is provided with a second sliding groove extending along the length direction of the placing groove (2), and the second sliding block part (26) is arranged in the second sliding groove in a sliding mode so that the second connecting seat (18) can be connected to the other side end of the supporting seat (6) in a sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223356343.0U CN218638689U (en) | 2022-12-13 | 2022-12-13 | Fixed frock of tubular product cutting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223356343.0U CN218638689U (en) | 2022-12-13 | 2022-12-13 | Fixed frock of tubular product cutting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218638689U true CN218638689U (en) | 2023-03-17 |
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ID=85501448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223356343.0U Active CN218638689U (en) | 2022-12-13 | 2022-12-13 | Fixed frock of tubular product cutting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218638689U (en) |
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2022
- 2022-12-13 CN CN202223356343.0U patent/CN218638689U/en active Active
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