CN220354653U - Municipal pipeline mounting structure - Google Patents
Municipal pipeline mounting structure Download PDFInfo
- Publication number
- CN220354653U CN220354653U CN202322026775.3U CN202322026775U CN220354653U CN 220354653 U CN220354653 U CN 220354653U CN 202322026775 U CN202322026775 U CN 202322026775U CN 220354653 U CN220354653 U CN 220354653U
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- lower half
- sleeve
- pipeline
- mounting
- installation
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- 238000009434 installation Methods 0.000 claims abstract description 79
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 238000010030 laminating Methods 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 238000012876 topography Methods 0.000 abstract description 6
- 238000010276 construction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Supports For Pipes And Cables (AREA)
Abstract
The utility model discloses a municipal pipeline installation structure, which comprises: a base; the mounting piece is arranged on the base in a height-adjustable manner; the pipeline mounting comprises a lower half mounting sleeve and an upper half mounting sleeve which is detachably connected to the upper side of the lower half mounting sleeve, the opposite sides of the upper half mounting sleeve and the lower half mounting sleeve are respectively provided with an arc-shaped surface which is used for being attached to the outer wall of a pipeline to be mounted, the lower half mounting sleeve can be rotatably and adjustably mounted on the mounting member, and the rotation central axis of the lower half mounting sleeve is perpendicular to the central line of the arc-shaped surface. According to the utility model, the installation piece with the adjustable height is arranged, and the lower half installation sleeve is rotatably and adjustably arranged on the installation piece, so that the height and the angle of the arc-shaped surface of the lower half installation sleeve are adjustable, when the topography is uneven, the installation piece can be vertically adjusted, and the lower half installation sleeve can be rotationally adjusted, so that the arc-shaped surface of the lower half installation sleeve is completely attached to the outer wall of a pipeline to be installed, the pipeline is ensured to be in a straight line state, and the condition that the pipeline is distorted or deformed is avoided.
Description
Technical Field
The utility model relates to the technical field of municipal pipelines, in particular to a municipal pipeline installation structure.
Background
In municipal engineering construction, municipal pipeline construction is an important component, and various pipelines are often buried in the process of municipal construction. In municipal pipeline laying, a plurality of pipeline installation structures are used for fixing pipelines. However, the topography in the groove for placing the pipeline is often uneven, but the existing pipeline installation structure cannot be adjusted, which causes a certain degree of distortion and deformation when the pipeline is installed, so that the pipeline is in unbalanced stress on the whole, and the pipeline is easily damaged and permeated under the impact of water pressure, so that an adjustable pipeline installation structure is needed to cope with uneven topography environment.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the municipal pipeline installation structure provided by the utility model has an adjusting function, and can effectively avoid pipeline distortion or deformation.
According to an embodiment of the utility model, a municipal pipeline installation structure comprises:
a base;
the mounting piece is arranged on the base in a height-adjustable manner;
the pipeline mounting comprises a lower half mounting sleeve and an upper half mounting sleeve which is detachably connected to the upper side of the lower half mounting sleeve, wherein the opposite sides of the upper half mounting sleeve and the lower half mounting sleeve are respectively provided with an arc-shaped surface which is used for being attached to the outer wall of a pipeline to be mounted, the lower half mounting sleeve can be rotatably and adjustably mounted on the mounting member, and the rotation central axis of the lower half mounting sleeve is perpendicular to the central line of the arc-shaped surface.
According to the municipal pipeline installation structure provided by the embodiment of the utility model, the municipal pipeline installation structure has at least the following beneficial effects:
through setting up the mounting of adjustable height on the base to will be used for the lower half installation cover of fixed pipeline rotationally to install in the mounting, with this highly and the angle of the arcwall face that makes the lower half installation cover is adjustable, when the topography is uneven, can correct, adjust the lower half installation cover through vertical regulation mounting and rotation, with the arcwall face that makes the lower half installation cover laminate completely in the outer wall of waiting to install the pipeline, guarantee that the pipeline is in sharp state, in order to avoid the pipeline to appear the condition of distortion or deformation.
According to some embodiments of the utility model, extension plates are arranged on two opposite sides of the top end of the lower half mounting sleeve and two opposite sides of the bottom end of the upper half mounting sleeve, and the extension plates of the lower half mounting sleeve are connected with the extension plates of the upper half mounting sleeve through bolts.
According to some embodiments of the utility model, a connecting seat is fixed at the bottom end of the lower half mounting sleeve, connecting barrels are fixed at two ends of the connecting seat, two mounting pieces are arranged and respectively correspond to the two connecting barrels, each mounting piece is provided with a connecting shaft, each connecting shaft is inserted into the corresponding connecting barrel and is in rotary fit with the corresponding connecting barrel, a positioning piece is arranged between each connecting shaft and each connecting barrel, and the positioning piece can fix the connecting barrel when the connecting barrel rotates to different angles relative to the connecting shaft.
According to some embodiments of the utility model, the positioning member is provided as a positioning screw which is threaded through the connecting cylinder and abuts against the peripheral wall of the connecting shaft.
According to some embodiments of the utility model, the set screw is provided in plurality around a central axis of the connecting cylinder.
According to some embodiments of the utility model, the outer peripheral wall of the connecting cylinder is provided with a threaded seat, and a threaded hole extending to the inner wall of the connecting cylinder is arranged in the threaded seat for installing the positioning screw.
According to some embodiments of the utility model, the upper end surface of the base is fixed with a vertically extending screw, the mounting piece is provided with a through hole for the screw to pass through, two adjusting nuts are connected to the screw in a threaded manner and are respectively used for propping against the upper end and the lower end of the mounting piece, and the height of the mounting piece is adjusted by adjusting the two adjusting nuts.
According to some embodiments of the utility model, the base is provided with a guide rail corresponding to the mounting piece, the mounting piece is vertically matched with the guide rail in a sliding manner, and the diameter of the through hole is larger than that of the screw rod.
According to some embodiments of the utility model, the guide rail is provided with a vertically extending chute, the mounting piece is provided with a slide seat, the slide seat is vertically and slidingly embedded in the chute, and an opening at the top end of the chute is provided for embedding or taking out the slide seat.
According to some embodiments of the utility model, a cover plate is detachably connected to the opening of the top end of the chute, a limit sleeve is fixed to the lower end face of the cover plate, the screw is located inside the chute, and the top end of the screw is inserted into the limit sleeve.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The utility model is further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
fig. 2 is an exploded view of the installation state of the embodiment of the present utility model.
Reference numerals:
the device comprises a base 100, an anchor hole 101, a screw 110, an adjusting nut 120, a guide rail 130, a chute 131, a cover plate 140 and a limit sleeve 141;
mounting 200, via 201, connecting shaft 210, and slider 220;
pipe fixing member 300, arcuate surface 301, lower half mounting sleeve 310, upper half mounting sleeve 320, extension plate 330, connection block 340, connection cylinder 350, and screw block 360;
set screw 400.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should be understood that the direction or positional relationship indicated with respect to the description of the orientation, such as up, down, etc., is based on the direction or positional relationship shown in the drawings, is merely for convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the apparatus or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, plural means two or more. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
Referring to fig. 1 and 2, a municipal pipe installation structure according to an embodiment of the utility model comprises: base 100, mount 200, and pipe mount 300.
Both ends of the base 100 are provided with vertically penetrating anchor holes 101, and the anchor holes 101 are used for penetrating anchor rods so as to fix the base 100 on the ground.
The mounting member 200 is provided to the base 100 with an adjustable height.
The pipe fixing piece 300 comprises a lower half mounting sleeve 310 and an upper half mounting sleeve 320, wherein the upper half mounting sleeve 320 is detachably connected with the lower half mounting sleeve 310 and is positioned on the upper side of the lower half mounting sleeve 310, the opposite sides of the upper half mounting sleeve 320 and the lower half mounting sleeve 310 are respectively provided with an arc-shaped surface 301, and the two arc-shaped surfaces 301 are respectively used for being attached to the outer wall of a pipe to be mounted; it is obvious that the central angles of the two arc-shaped surfaces 301 are smaller than or equal to 180 degrees, the central lines of the two arc-shaped surfaces 301 are coincident, and the two arc-shaped surfaces 301 are attached to the outer wall of the pipeline to be installed so as to clamp and fix the pipeline to be installed.
The lower half mounting sleeve 310 is rotatably mounted on the mounting member 200, and when the lower half mounting sleeve 310 is rotatably adjusted, the rotation central axis of the lower half mounting sleeve is perpendicular to the central line of the arc surface 301, as shown in fig. 1, in this embodiment, the central line of the arc surface 301 extends back and forth, and the rotation central axis of the lower half mounting sleeve 310 extends left and right when the lower half mounting sleeve is rotatably adjusted.
Specifically, when installing a pipeline, an installer supports the base 100 on the ground below the pipeline, adjusts the installation piece 200 to enable the lower half installation sleeve 310 to move upwards and support the pipeline, then observes whether the arc-shaped surface 301 of the lower half installation sleeve 310 is attached to the outer wall of the pipeline, if the arc-shaped surface 301 is inclined relative to the outer wall of the pipeline, rotates and adjusts the lower half installation sleeve 310 relative to the installation piece 200, and simultaneously continues to adjust the installation piece 200 upwards to eliminate the gap between the lower half installation sleeve 310 and the outer wall of the pipeline until the arc-shaped surface 301 of the lower half installation sleeve 310 is attached to the outer wall of the pipeline, then fixes the upper half installation sleeve 320 on the upper half installation sleeve 320 to clamp and fix the pipeline, and finally wears anchor rods to fix the base 100 on the ground to finish installation. It can be understood that, because the topography may have a height difference, the height-adjustable mounting member 200 is provided in the present embodiment to adjust the height of the pipe fixing member 300 for adaptation; the bottom half of the mounting sleeve 310 is rotatably and adjustably mounted on the mounting member 200, so that the angle of the arc surface 301 on the bottom half of the mounting sleeve 310 is adjustable, the arc surface 301 can be guaranteed to be attached to the outer wall of the pipeline, and the pipeline will not be twisted when the top half of the mounting sleeve 320 is subsequently mounted.
According to the municipal pipeline installation structure provided by the embodiment of the utility model, the installation piece 200 with the adjustable height is arranged on the base 100, and the lower half installation sleeve 310 for fixing the pipeline is rotatably and adjustably arranged on the installation piece 200, so that the height and the angle of the arc-shaped surface 301 of the lower half installation sleeve 310 are adjustable, when the topography is uneven, correction can be performed, and the arc-shaped surface 301 of the lower half installation sleeve 310 is completely attached to the outer wall of the pipeline to be installed by vertically adjusting the installation piece 200 and rotationally adjusting the lower half installation sleeve 310, so that the pipeline is in a straight line state, and the condition that the pipeline is distorted or deformed is avoided.
It will be appreciated that in some embodiments, to prevent pinching of the pipe, protective pads are provided on the arcuate surfaces 301 of the upper and lower mounting sleeve halves 320, 310.
Referring to fig. 1, it can be understood that the two opposite sides of the top end of the lower half mounting sleeve 310 and the two opposite sides of the bottom end of the upper half mounting sleeve 320 are respectively provided with an extension plate 330, and the extension plates 330 of the lower half mounting sleeve 310 and the extension plates 330 of the upper half mounting sleeve 320 are connected through bolts, so that the connection is stable and the disassembly is convenient.
Referring to fig. 1 and 2, it can be understood that the bottom end of the lower half mounting sleeve 310 is fixed with a connecting seat 340, both ends of the connecting seat 340 are fixed with connecting cylinders 350, two connecting cylinders 350 are coaxial and distributed on two opposite sides of the center line of the arc surface 301, namely, left and right sides as shown in fig. 1, the center line of the connecting cylinder 350 is perpendicular to the center line of the arc surface 301, two mounting pieces 200 are respectively provided corresponding to the two connecting cylinders 350, each mounting piece 200 is provided with a connecting shaft 210, the connecting shaft 210 is inserted into the corresponding connecting cylinder 350 and is in running fit with the corresponding connecting cylinder 350, namely, the connecting shaft 210 is cylindrical, the inner hole of the connecting cylinder 350 is in running fit of the shaft and the hole, so that the lower half mounting sleeve 310 can rotate relative to the mounting piece 200; further, a positioning member is disposed between the connecting shaft 210 and the connecting cylinder 350, and the positioning member can fix the connecting cylinder 350 when the connecting cylinder 350 rotates to different angles relative to the connecting shaft 210, so that the rotation adjustment of the lower half mounting sleeve 310 relative to the mounting member 200 is realized, and the structure is simple and practical.
It is conceivable that one end of the two connecting cylinders 350, which are close to each other, is a closed end, and an end surface of the connecting shaft 210 is fitted with an inner end surface of the corresponding connecting cylinder 350, so that the lower half mount sleeve 310 is prevented from shaking in the axial direction of the connecting shaft 210.
It will be appreciated that in some specific embodiments, referring to fig. 1 and 2, the positioning member is set as the positioning screw 400, the positioning screw 400 is threaded through the connecting cylinder 350 along the radial direction of the connecting cylinder 350 and abuts against the peripheral wall of the connecting shaft 210, the connecting shaft 210 and the connecting cylinder 350 are relatively fixed by friction force, when the lower half mounting sleeve 310 needs to be rotationally adjusted, the positioning screw 400 is unscrewed, the connecting cylinder 350 is rotated to a corresponding position, and finally the positioning screw 400 is screwed, so that the operation is very convenient, and by adopting the above structure, the lower half mounting sleeve 310 can be rotationally adjusted to any angle.
Referring to fig. 1, it can be appreciated that the plurality of set screws 400 are provided around the central axis of the connection cylinder 350, and the plurality of set screws 400 provide a larger friction force to prevent the connection cylinder 350 from loosening with respect to the connection shaft 210, so that the structure is more stable and reliable.
Referring to fig. 2, it can be understood that the outer circumferential wall of the connection cylinder 350 is provided with a screw seat 360, and the screw seat 360 is provided therein with a screw hole extending to the inner wall of the connection cylinder 350, the screw hole extending in the radial direction of the connection cylinder 350 for mounting the set screw 400, thus providing a stable mounting structure for the set screw 400.
Referring to fig. 1 and 2, it can be understood that the upper end surface of the base 100 is fixed with a vertically extending screw rod 110, the mounting member 200 is provided with a through hole 201 through which the screw rod 110 passes, two adjusting nuts 120 are screwed on the screw rod 110, the two adjusting nuts 120 are respectively used for propping against the upper end and the lower end of the mounting member 200 to clamp the mounting member 200, the height of the mounting member 200 is fixed, and the height of the mounting member 200 can be adjusted by screwing and adjusting the two adjusting nuts 120, so that the structure is simple and the adjustment is convenient.
Referring to fig. 1 and 2, it can be understood that the mount 100 is provided with a guide rail 130 corresponding to the mount 200, and the mount 200 is vertically slidably engaged with the guide rail 130, so that when the height of the mount 200 is adjusted, the guide rail 130 can provide a guide for the vertical movement of the mount 200, and in addition, the diameter of the through hole 201 is larger than that of the screw 110 and coaxial with the screw, so that when the mount 200 is vertically adjusted, the guide rail 130 can be engaged to prevent the wall of the through hole 201 from contacting the screw 110 to scratch the external thread on the screw 110.
Referring to fig. 1 and 2, it can be understood that the guide rail 130 is provided with a vertically extending chute 131, the mounting member 200 is provided with a slide seat 220, the slide seat 220 is vertically slidably inserted into the chute 131, and an opening at the top end of the chute 131 is provided for inserting or removing the slide seat 220, so that the structure is simple and the disassembly and assembly of the slide seat 220 are very convenient.
In some specific embodiments, two guide rails 130 are provided on the base 100 corresponding to two mounting members 200, the mounting members 200 are provided with a sliding seat 220 and a connecting shaft 210, the sliding seat 220 is fixedly connected with the connecting shaft 210, the through hole 201 is provided on the sliding seat 220, and the sliding grooves 131 of the two guide rails 130 are provided with vertically extending and open-topped avoidance grooves on opposite sides for the connecting shaft 210 to pass through and avoid for the vertical movement of the connecting shaft 210.
Referring to fig. 1 and 2, it can be understood that the top opening of the chute 131 is detachably connected with a cover plate 140, a limiting sleeve 141 is fixed on the lower end surface of the cover plate 140, the screw 110 is located inside the chute 131, and the top end of the screw 110 is inserted into the limiting sleeve 141, so that the screw 110 can be prevented from bending and deforming, and the structure of the screw 110 is more stable and reliable. It is contemplated that the cover plate 140 may be secured to the rail 130 by fasteners. When the mounting member 200 needs to be removed, the cover plate 140 is removed, and then the mounting member 200 is moved upward along the chute 131 until the mounting member 200 is separated from the chute 131 and the screw 110.
The application method of the municipal pipeline installation structure provided by the embodiment of the utility model comprises the following steps:
when installing a pipeline, an installer supports the base 100 on the ground below the pipeline, then adjusts the adjusting nuts 120 on the upper sides of the two installation pieces 200 (to a higher position), pushes the lower half installation sleeve 310 upwards, enables the lower half installation sleeve 310 to move upwards together with the two installation pieces 200 until the arc-shaped surface 301 of the lower half installation sleeve 310 contacts the pipeline, at the moment, observes whether the arc-shaped surface 301 of the lower half installation sleeve 310 is attached to the outer wall of the pipeline, unscrews the positioning screws 400 on the two connecting cylinders 350 if the arc-shaped surface 301 is inclined relatively, then rotates the lower half installation sleeve 310 and enables the lower half installation sleeve 310 to continuously ascend until the arc-shaped surface 301 of the lower half installation sleeve 310 is completely attached to the outer wall of the pipeline, then firstly tightens the positioning screws 400 to fix the angle of the lower half installation sleeve 310, adjusts the adjusting nuts 120 on the lower side of the installation pieces 200 to support the lower half installation sleeve, then adjusts the adjusting nuts 120 on the upper side of the installation pieces 200 to clamp the installation pieces 200, namely, determines the height and the angle of the lower half installation sleeve 310, finally fixes the upper half installation sleeve 320 on the upper half installation sleeve 320, so as to fix the pipeline to clamp the pipeline, and then fixes the anchor rod to the ground, namely, and the base is installed on the ground.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.
Claims (10)
1. Municipal pipeline installation structure, characterized by, include:
a base (100);
a mounting member (200) provided to the base (100) so as to be adjustable in height;
pipeline mounting (300), including lower half installation cover (310) and detachable connect in last half installation cover (320) of lower half installation cover (310) upside, last half installation cover (320) with the arcwall face (301) that all have to be used for laminating with the outer wall of waiting to install the pipeline in the opposite side of lower half installation cover (310), lower half installation cover (310) can rotate install with adjusting in installed part (200), just the rotation central axis of lower half installation cover (310) perpendicular to the central line of arcwall face (301).
2. The municipal pipe installation structure according to claim 1, wherein: two opposite sides of the top end of the lower half mounting sleeve (310) and two opposite sides of the bottom end of the upper half mounting sleeve (320) are respectively provided with an extension plate (330), and the extension plates (330) of the lower half mounting sleeve (310) are connected with the extension plates (330) of the upper half mounting sleeve (320) through bolts.
3. The municipal pipe installation structure according to claim 1, wherein: the lower half installation sleeve (310) bottom mounting has connecting seat (340), connecting seat (340) both ends all are fixed with connecting cylinder (350), installed part (200) are equipped with two and correspond two respectively connecting cylinder (350) setting, installed part (200) are equipped with connecting axle (210), connecting axle (210) insert corresponding in connecting cylinder (350) and with its normal running fit, connecting axle (210) with be equipped with the setting element between connecting cylinder (350), the setting element can connecting cylinder (350) for connecting axle (210) rotate to when different angles will connecting cylinder (350) are fixed.
4. The municipal pipe installation structure according to claim 3, wherein: the locating piece is arranged as a locating screw (400), and the locating screw (400) is threaded through the connecting cylinder (350) and abuts against the peripheral wall of the connecting shaft (210).
5. The municipal pipe installation structure according to claim 4, wherein: the set screw (400) is provided in plurality around the central axis of the connecting cylinder (350).
6. The municipal pipe installation structure according to claim 4, wherein: the outer peripheral wall of the connecting cylinder (350) is provided with a thread seat (360), and a threaded hole extending to the inner wall of the connecting cylinder (350) is arranged in the thread seat (360) and used for installing the positioning screw (400).
7. The municipal pipe installation structure according to claim 1, wherein: the base (100) up end is fixed with screw rod (110) of vertical extension, installed part (200) are equipped with confession screw rod (110) pass through hole (201), threaded connection has two adjusting nut (120) on screw rod (110), be used for respectively with the upper and lower both ends of installed part (200) offset, through adjusting two adjusting nut (120) are in order to realize the altitude mixture control of installed part (200).
8. The municipal pipe installation structure according to claim 7, wherein: the base (100) is provided with a guide rail (130) corresponding to the mounting piece (200), the mounting piece (200) is vertically matched with the guide rail (130) in a sliding mode, and the diameter of the through hole (201) is larger than that of the screw rod (110).
9. The municipal pipe installation structure according to claim 8, wherein: the guide rail (130) is provided with a sliding groove (131) extending vertically, the installation piece (200) is provided with a sliding seat (220), the sliding seat (220) is vertically and slidably embedded into the sliding groove (131), and an opening at the top end of the sliding groove (131) is arranged so as to enable the sliding seat (220) to be embedded into or taken out.
10. The municipal pipe installation structure according to claim 9, wherein: the novel sliding chute is characterized in that a cover plate (140) is detachably connected to the top end opening of the sliding chute (131), a limiting sleeve (141) is fixed to the lower end face of the cover plate (140), and the screw (110) is located on the inner side of the sliding chute (131) and the top end of the screw (110) is inserted into the limiting sleeve (141).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322026775.3U CN220354653U (en) | 2023-07-31 | 2023-07-31 | Municipal pipeline mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322026775.3U CN220354653U (en) | 2023-07-31 | 2023-07-31 | Municipal pipeline mounting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220354653U true CN220354653U (en) | 2024-01-16 |
Family
ID=89480441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322026775.3U Active CN220354653U (en) | 2023-07-31 | 2023-07-31 | Municipal pipeline mounting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220354653U (en) |
-
2023
- 2023-07-31 CN CN202322026775.3U patent/CN220354653U/en active Active
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