CN217705625U - Large-scale pipeline transportation positioner - Google Patents
Large-scale pipeline transportation positioner Download PDFInfo
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- CN217705625U CN217705625U CN202221956674.5U CN202221956674U CN217705625U CN 217705625 U CN217705625 U CN 217705625U CN 202221956674 U CN202221956674 U CN 202221956674U CN 217705625 U CN217705625 U CN 217705625U
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Abstract
The utility model provides a large-scale pipeline transportation positioner, the device includes: the device comprises a chassis, a first adjusting assembly and a supporting assembly; the first adjusting assembly comprises slide rails, a slide block and a first screw rod, the two slide rails are arranged at two ends of the chassis, the two ends of each slide rail are connected with the slide block in a sliding manner, nuts are arranged in the slide blocks, the first screw rod penetrates through the two nuts and is in threaded fit with the nuts, and the two slide blocks on the same slide rail move oppositely or oppositely along the axial direction of the first screw rod; the supporting component comprises a fixed block and a supporting block, the fixed block is fixed on the sliding block, the contact surface of the supporting block and the pipeline is arc-shaped, and the back of the supporting block is connected to the fixed block. And adjusting the first screw rod according to the diameter of the pipeline, and driving the two sliding blocks on the same sliding rail to clamp the pipeline along the sliding rail. The problem of the pipeline of different diameters do not have adjustable positioner in the transportation, it is insecure to fix, conveying efficiency is low is solved.
Description
Technical Field
The utility model relates to a pipeline transportation technical field, concretely relates to large-scale pipeline transportation positioner.
Background
With the acceleration of urbanization and industrialization process in China, the pipeline has more and more extensive use, has obvious pipeline conveying advantages in the aspects of water supply and drainage, gas, heat supply and the like, can be continuously transported, is not influenced by weather, is all-weather, and has high reliability of goods delivery.
The transportation pipeline generally utilizes large-scale flatbed to transport, does not have fixed adjustable equipment to the large-scale steel pipe transportation of different diameters, and the efficiency is lower in process of production, and its location installation accuracy is inaccurate.
The circumference motion is not done at the transportation with the card to hold in the palm fixing device steel pipe to current technique, can not realize the regulation of diameter to the steel pipe of transporting different diameters, can only change equipment and transport different pipelines, and prior art does not have adjustable equipment, will change fixed equipment when transporting different diameter pipelines, and is more troublesome, and work efficiency is low.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a large-scale pipeline transportation positioner to solve current pipeline transportation flatbed and do not have adjustable fixed equipment to the large-scale steel pipe transportation of different diameters, fix a position insecure, problem that conveying efficiency is low.
The utility model provides a large-scale pipeline transportation positioner, include: the device comprises a chassis, a first adjusting assembly and a supporting assembly;
the first adjusting assembly comprises slide rails, slide blocks and a first screw rod, wherein two sections of slide rails are respectively arranged at two ends of the chassis and extend along the width direction of the chassis, the two ends of each section of slide rail are respectively connected with the slide blocks in a sliding manner, nuts with the same axial direction are arranged in the two slide blocks on each section of slide rail, the two first screw rods are respectively arranged above the two sections of slide rails and are parallel to the slide rails, the first screw rods are arranged in the two nuts in a penetrating manner and are in threaded fit with the two nuts, and the two slide blocks on the same slide rail move oppositely or oppositely along the axial direction of the first screw rods;
the supporting component comprises a fixing block and a supporting block, the fixing block is fixed on the sliding block, the contact surface of the supporting block and the pipeline is arc-shaped, and the back surface of the supporting block, far away from the pipeline, is connected to the top surface of the fixing block.
Furthermore, the device also comprises a second adjusting component, wherein the second adjusting component comprises a U-shaped buckle and a second screw rod;
two sides of the chassis are provided with rails, and the two sections of rails extend along the length direction of the chassis;
the two ends of each section of slide rail are respectively connected with the two sections of slide rails in a sliding manner, a through hole is formed in the middle of each section of slide rail, a U-shaped buckle is fixed at the through hole, threaded holes are formed in the positions, corresponding to the through holes, of the two sides of the buckle, a second lead screw penetrates through the through holes and the threaded holes, and the second lead screw is in threaded fit with the threaded holes;
the two buckles control the two sections of sliding rails to move oppositely or back to back along the axial direction of the second screw rod.
Furthermore, the supporting component further comprises a hydraulic cylinder, the top surface of the fixing block is inclined towards the center of the chassis, the back surface of the supporting block, far away from the pipeline, is connected with the top surface hinge of the fixing block, the fixed end of the hydraulic cylinder is rotatably connected with the side surface, close to the middle position of the chassis, of the fixing block, and the piston end of the hydraulic cylinder is rotatably connected to one end, close to the middle position of the chassis, of the back surface of the supporting block.
Furthermore, a cavity is formed in the sliding block, a nut is arranged in the cavity, and the nut slides forwards and backwards in the cavity.
Furthermore, both ends of the first screw rod and the second screw rod are provided with threads with opposite rotation directions.
Furthermore, the first adjusting assembly further comprises first servo motors, the two first servo motors are fixed on the two sections of sliding rails, and the output end of each first servo motor is matched with the corresponding first screw rod gear;
one end of each first lead screw is provided with a first manual handle, the first manual handle is disc-shaped, and a first quick crank is arranged on one side, away from the chassis, of the first manual handle.
Furthermore, the second adjusting assembly also comprises a second servo motor, the second servo motor is fixed on the chassis, and the output end of the second servo motor is matched with the second screw rod gear;
a second hand-operated swing handle is arranged at one end of the second screw rod, the second hand-operated swing handle is disc-shaped, and a second quick crank is arranged on one side, away from the chassis, of the second hand-operated swing handle.
Further, the chassis is of a hollow structure and is provided with reinforcing ribs.
Furthermore, the two sides of the chassis are provided with rope tighteners which are rotatably connected with the chassis.
Furthermore, the edge position of the bottom surface of the chassis is provided with a rope hook, one end of the rope hook is connected to the bottom surface of the chassis, and the other end of the rope hook is provided with an anti-falling block.
Adopt above-mentioned technical scheme, compare with prior art, the beneficial effects of the utility model are that:
the utility model provides a large-scale pipeline transportation positioner includes: the device comprises a chassis, a first adjusting assembly and a supporting assembly;
the first adjusting assembly comprises slide rails, slide blocks and a first screw rod, wherein two sections of slide rails are respectively arranged at two ends of the chassis and extend along the width direction of the chassis, the two ends of each section of slide rail are respectively connected with the slide blocks in a sliding manner, nuts with the same axial direction are arranged in the two slide blocks on each section of slide rail, the two first screw rods are respectively arranged above the two sections of slide rails and are parallel to the slide rails, the first screw rods are arranged in the two nuts in a penetrating manner and are in threaded fit with the two nuts, and the two slide blocks on the same slide rail move oppositely or oppositely along the axial direction of the first screw rods;
the supporting component comprises a fixed block and a supporting block, the fixed block is fixed on the sliding block, the contact surface of the supporting block and the pipeline is arc-shaped, and the back surface of the supporting block, far away from the pipeline, is connected to the top surface of the fixed block.
The first screw rod is adjusted according to the diameter of the pipeline, the first screw rod drives two sliding blocks on the same sliding rail to move along the sliding rail through nuts, the sliding blocks drive the fixed blocks to move, the supporting blocks follow the fixed blocks to slide along the length direction of the sliding rail, the distance between the supporting blocks at two ends of the sliding rail is increased or reduced, the pipeline to be transported is placed between the opposite supporting blocks, the first screw rod is further adjusted, and the pipeline is clamped by the two supporting blocks.
The problem of the pipeline of different diameters do not have adjustable positioner in the transportation, it is insecure to fix, conveying efficiency is low is solved.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of a large pipe transportation positioning device provided by the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is an enlarged partial view at B of FIG. 1;
fig. 4 is a schematic structural view of a supporting component of the large pipe transportation positioning device provided by the present invention;
fig. 5 is a cross-sectional view of fig. 4.
In the figure: 1-chassis, 11-rail, 21-slide rail, 22-slide block, 23-first lead screw, 24-first servo motor, 25-first manual swing handle, 26-first quick swing handle, 27-nut, 31-fixed block, 32-supporting block, 33-hydraulic cylinder, 41-U type buckle, 42-second lead screw, 43-second servo motor, 44-second manual swing handle, 45-second quick swing handle, 5-rope tightener, 6-rope hook and 61-anti-drop block.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The embodiment of the application provides a large-scale pipeline transportation positioning device for the fixed transportation of pipelines with different lengths and diameters.
As shown in fig. 1 and 4, the positioning device for large pipeline transportation according to the embodiment includes: the device comprises a chassis 1, a first adjusting assembly and a supporting assembly;
the first adjusting assembly comprises slide rails 21, slide blocks 22 and first screw rods 23, the two sections of slide rails 21 are respectively arranged at two ends of the chassis 1 and extend along the width direction of the chassis 1, the two ends of each section of slide rail 21 are respectively connected with the slide blocks 22 in a sliding manner, nuts 27 with the same axial direction are arranged inside the two slide blocks 22 on each section of slide rail 21, the two first screw rods 23 are respectively arranged above the two sections of slide rails 21 and are parallel to the slide rails 21, the first screw rods 23 are arranged in the two nuts 27 in a penetrating manner and are in threaded fit with the two nuts 27, and the two slide blocks 22 on the same slide rail 21 relatively move or move back to back along the axial direction of the first screw rods 23;
the supporting component comprises a fixed block 31 and a supporting block 32, the fixed block 31 is fixed on the sliding block 22, the contact surface of the supporting block 32 and the pipeline is arc-shaped, and the back surface of the supporting block 32, which is far away from the pipeline, is connected to the top surface of the fixed block 31.
In practical application, the first screw 23 is adjusted according to the diameter of the pipeline, the first screw 23 drives the two sliders 22 on the same slide rail 21 to move along the slide rail 21 through the nuts 27, the sliders 22 drive the fixed blocks 31 to move, the supporting blocks 32 slide along the length direction of the slide rail 21 along with the fixed blocks 31, so that the distance between the supporting blocks 32 at the two ends of the slide rail 21 is increased or decreased, the pipeline to be transported is placed between the opposite supporting blocks 32, the first screw 23 is further adjusted, and the two supporting blocks 32 clamp the pipeline tightly.
The pipelines with different diameters can be firmly fixed in the transportation process, and the left and right shaking cannot occur.
In a specific technical solution of an embodiment of the present invention, as shown in fig. 1-2, the large pipe transportation positioning device further includes a second adjusting assembly, and the second adjusting assembly includes a U-shaped buckle 41 and a second lead screw 42;
two sides of the chassis 1 are provided with rails 11, and the two sections of rails 11 extend along the length direction of the chassis 1;
the two ends of each section of slide rail 21 are respectively connected with the two sections of rails 11 in a sliding manner, a through hole is formed in the middle of each section of slide rail 21, a U-shaped buckle 41 is fixed at the through hole, threaded holes are formed in the positions, corresponding to the through holes, of the two sides of the buckle, a second screw rod 42 penetrates through the through holes and the threaded holes, and the second screw rod 42 is in threaded fit with the threaded holes;
the two buckles control the two slide rails 21 to move oppositely or oppositely along the axial direction of the second screw rod 42.
The second screw rod 42 is adjusted according to the length of the pipeline, the second screw rod 42 drives the U-shaped buckle 41 through the screw thread to drive the slide rails 21 at the two ends to move towards the middle or the two ends of the second screw rod 42 along the track 11, so that the distance between the two slide rails 21 is smaller than the length of the pipeline, and the pipelines with different lengths can be conveniently fixed.
The utility model discloses among the specific technical scheme of embodiment, as shown in FIG. 4, the supporting component still includes pneumatic cylinder 33, and the top surface of fixed block 31 is put the slope to chassis 1's central point and is set up, and the back of pipeline and fixed block 31's top surface hinged joint are kept away from to supporting shoe 32, and pneumatic cylinder 33's stiff end and fixed block 31 are close to the side rotation of chassis 1 intermediate position and are connected, and pneumatic cylinder 33's piston end rotates to be connected in the one end that is close to chassis 1 intermediate position at the supporting shoe 32 back.
Supporting shoe 32 receives the downward pressure of pipeline and the power towards the outside, and the top surface slope of fixed block 31 sets up, receives the power of two directions to supporting shoe 32 and all plays supporting role, makes supporting shoe 32 more firm.
The piston end of the hydraulic cylinder 33 drives the supporting block 32, and the supporting block 32 rotates around the hinge, so that the arc center position of the supporting block 32 is tangent to the outer diameter of the pipeline, and the supporting block 32 can conveniently clamp pipelines with different diameters.
In the embodiment of the present invention, as shown in fig. 5, a cavity is provided inside the slider 22, the nut 27 is disposed in the cavity, and the nut 27 slides back and forth in the cavity.
The first screw 23 drives the nut 27 engaged with the first screw to push the slider 22 to move along the slide rail 21, and the first screw 23 performs reverse force unloading after moving to a specified position, so that a certain return distance difference between the nut 27 and the slider 22 is ensured, and no force transmission between the first screw and the slider 22 is ensured.
In the embodiment of the present invention, the two ends of the first lead screw 23 and the second lead screw 42 are provided with threads with opposite rotation directions.
When the first screw rod 23 rotates, the sliding blocks 22 connected to the two ends of the first screw rod 23 move towards opposite directions or back directions, so that the pipelines can be conveniently clamped or loosened, and when the second screw rod 42 rotates, the two sections of sliding rails 21 connected to the second screw rod 42 move towards opposite directions or back directions, so that the distance between the two sliding blocks 22 can be conveniently adjusted.
In the specific technical solution of the embodiment of the present invention, as shown in fig. 1, the first adjusting assembly further includes first servo motors 24, two first servo motors 24 are fixed on the two sections of slide rails 21, and the output end of each first servo motor 24 is in gear fit with the corresponding first lead screw 23;
a first manual handle 25 is provided at one end of each first screw rod 23, the first manual handle 25 is disc-shaped, and a first quick handle 26 is provided on a side of the first manual handle 25 remote from the chassis 1.
A fixed plate is arranged at the central position of the sliding rail 21, the first servo motor 24 is fixed on the fixed plate, the first servo motor 24 drives the first screw rod 23 to rotate, and the distance between the two sliding blocks 22 is adjusted.
A protecting sleeve is pivotally connected to an outer side of the first quick handle 26, and a distance between the two sliders 22 can be manually adjusted through the first hand handle 25, and when an adjustment amount is large, the first quick handle 26 can be swung to quickly adjust the distance between the two sliders 22, so that the supporting block 32 can quickly clamp the pipe.
In the specific technical solution of the embodiment of the present invention, the second adjusting assembly further includes a second servo motor 43, the second servo motor 43 is fixed on the chassis 1, and the output end of the second servo motor 43 is in gear fit with the second lead screw 42;
a second manual handle 44 is provided at one end of the second screw 42, the second manual handle 44 is disc-shaped, and a second quick handle 45 is provided on a side of the second manual handle 44 remote from the chassis 1.
The central position of the chassis 1 is provided with a connecting plate, the second servo motor 43 is fixed on the connecting plate, the output end of the second servo motor 43 is matched with the central position gear of the second screw rod 42, and the second servo motor 43 drives the second screw rod 42 to rotate so as to adjust the distance between the two sections of slide rails 21.
The protective sleeve is rotatably connected to the outer side of the second quick crank 45, when the second servo motor 43 is damaged or cannot be used due to no power supply, the distance between the two sections of slide rails 21 can be adjusted through the second manual swing handle 44, when the adjustment amount is large, the second quick crank 45 can be swung, and the distance between the two sections of slide rails 21 can be quickly adjusted, so that the slide rail 21 can quickly reach the preset position.
The utility model discloses among the concrete technical scheme of embodiment, chassis 1 is hollow out construction, and chassis 1 is provided with the strengthening rib.
The hollow structure reduces the weight of the chassis 1, the manufacturing cost of the chassis 1 is also reduced, and the reinforcing ribs ensure the strength of the chassis 1 while reducing the weight of the chassis 1. The large-scale pipeline transportation positioning device is more portable.
In the specific technical solution of the embodiment of the utility model, as shown in fig. 3, the both sides of chassis 1 are provided with euphroe 5, and euphroe 5 rotates to be connected in chassis 1.
After the pipeline is clamped by the supporting block 32, the pipeline can be further reinforced by a rope, two ends of the rope are wound on the rope tightener 5, and the rope is tightened by rotating the rope tightener 5, so that the pipeline is fixed more firmly.
The utility model discloses among the concrete technical scheme, chassis 1's bottom surface border position is provided with the rope and colludes 6, and the one end that the rope colluded 6 is connected in chassis 1's bottom surface, and the other end that the rope colluded 6 is provided with anticreep piece 61.
When the pipeline is reinforced by using the rope, one end of the rope is fixed on the chassis 1, the middle position of the rope can be wound on the rope hook 6 at the bottom of the chassis 1, so that a rope can reinforce the pipeline in multiple ways, and the anti-falling block 61 can prevent the rope hung on the rope hook 6 from falling off, so that the pipeline is fixed more firmly.
Depending on the length of the pipe, the second servomotor 43 or the second hand swing handle 44 is turned to drive the second screw rod 42, so that the distance between the two slide rails 21 is smaller than the length of the pipe, and the support block 32 is adjusted by the hydraulic cylinder 33 so that the arc center position of the support block 32 is tangent to the outer diameter of the pipe.
The first screw 23 is driven by means of a first servomotor 24 or a first hand-swing handle, the slide 22 is moved axially along the first screw 23 to a predetermined position, the pipe to be transported is placed between the opposite support blocks 32, and the first screw 23 is further adjusted to clamp the pipe.
Then one end of the rope is fixed on the rope tightening device 5 and passes over the pipeline, the middle of the rope is hung on the rope hook 6, the other end of the rope is tightened by the rope tightening device 5, and the pipeline is fixed.
Finally, it should be noted that: the embodiments in the present description are all described in a progressive manner, each embodiment focuses on the differences from the other embodiments, and the same and similar parts among the embodiments can be referred to each other; the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The modifications, substitutions or combinations do not depart from the scope of the invention in its corresponding claims.
Claims (10)
1. A large pipeline transportation positioner, its characterized in that includes: the device comprises a chassis, a first adjusting assembly and a supporting assembly;
the first adjusting assembly comprises slide rails, a slide block and first lead screws, wherein the two sections of slide rails are respectively arranged at two ends of the chassis and extend along the width direction of the chassis, the two ends of each section of slide rail are respectively connected with the slide block in a sliding manner, nuts with the same axial direction are arranged inside the two slide blocks on each section of slide rail, the two first lead screws are respectively arranged above the two sections of slide rails and are parallel to the slide rails, the first lead screws are arranged in the two nuts in a penetrating manner and are in threaded fit with the two nuts, and the two slide blocks on the same slide rail move oppositely or oppositely along the axial direction of the first lead screws;
the supporting component comprises a fixed block and a supporting block, the fixed block is fixed on the sliding block, the contact surface of the supporting block and the pipeline is arc-shaped, and the back surface of the supporting block, which is far away from the pipeline, is connected to the top surface of the fixed block.
2. The large pipe transportation positioning device according to claim 1, further comprising a second adjusting assembly, wherein the second adjusting assembly comprises a U-shaped buckle and a second screw rod;
tracks are arranged on two sides of the chassis, and two sections of the tracks extend along the length direction of the chassis;
the two ends of each section of slide rail are respectively connected with two sections of rails in a sliding manner, a through hole is formed in the middle of each section of slide rail, the U-shaped buckle is fixed at the through hole, threaded holes are formed in the positions, corresponding to the through holes, of the two sides of the buckle, the second lead screw penetrates through the through holes and the threaded holes, and the second lead screw is in threaded fit with the threaded holes;
the two buckles control the two sections of the sliding rails to move oppositely or oppositely along the axial direction of the second screw rod.
3. The large pipeline transportation positioning device according to claim 1, wherein the supporting assembly further comprises a hydraulic cylinder, the top surface of the fixing block is inclined toward the center of the chassis, the back surface of the supporting block away from the pipeline is hinged to the top surface of the fixing block, the fixed end of the hydraulic cylinder is rotatably connected to the side surface of the fixing block close to the middle of the chassis, and the piston end of the hydraulic cylinder is rotatably connected to the end of the back surface of the supporting block close to the middle of the chassis.
4. The large pipeline transportation positioning device according to claim 1, wherein a cavity is provided inside the sliding block, the nut is provided in the cavity, and the nut slides back and forth in the cavity.
5. The large pipeline transportation positioning device according to claim 2, wherein threads with opposite turning directions are arranged at both ends of the first screw rod and the second screw rod.
6. The large-scale pipeline transportation positioning device according to claim 1, wherein the first adjusting assembly further comprises first servo motors, the two first servo motors are fixed on the two sections of the slide rails, and an output end of each first servo motor is matched with the corresponding first lead screw gear;
one end of each first lead screw is provided with a first manual handle, the first manual handle is disc-shaped, and a first quick handle is arranged on one side, away from the chassis, of the first manual handle.
7. The large pipeline transport positioning device according to claim 2, wherein the second adjusting assembly further comprises a second servo motor, the second servo motor is fixed on the chassis, and an output end of the second servo motor is matched with the second lead screw gear;
a second hand-operated handle is arranged at one end of the second screw rod, the second hand-operated handle is disc-shaped, and a second quick handle is arranged on a side of the second hand-operated handle remote from the chassis.
8. The large pipeline transportation positioning device according to claim 1, wherein the base plate is of a hollow structure, and reinforcing ribs are arranged on the base plate.
9. A large pipe transportation positioning device according to claim 1, wherein rope tighteners are provided on both sides of the chassis, and the rope tighteners are rotatably connected to the chassis.
10. The large-sized pipeline transportation positioning device according to claim 9, wherein a rope hook is arranged at an edge of the bottom surface of the chassis, one end of the rope hook is connected to the bottom surface of the chassis, and an anti-falling block is arranged at the other end of the rope hook.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221956674.5U CN217705625U (en) | 2022-07-27 | 2022-07-27 | Large-scale pipeline transportation positioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221956674.5U CN217705625U (en) | 2022-07-27 | 2022-07-27 | Large-scale pipeline transportation positioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217705625U true CN217705625U (en) | 2022-11-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221956674.5U Active CN217705625U (en) | 2022-07-27 | 2022-07-27 | Large-scale pipeline transportation positioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217705625U (en) |
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2022
- 2022-07-27 CN CN202221956674.5U patent/CN217705625U/en active Active
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