CN214194225U - Traffic sign with two forms - Google Patents
Traffic sign with two forms Download PDFInfo
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- CN214194225U CN214194225U CN202022346074.4U CN202022346074U CN214194225U CN 214194225 U CN214194225 U CN 214194225U CN 202022346074 U CN202022346074 U CN 202022346074U CN 214194225 U CN214194225 U CN 214194225U
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- connecting rod
- baffle
- bottom box
- tightening bolt
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Abstract
The utility model discloses a traffic sign with bimorph, include: the structure comprises a bottom box, a baffle, a trapezoidal groove, a first connecting rod, a second connecting rod, a hinge joint, a first pre-tightening bolt, a second pre-tightening bolt and the like; two ends of the upper surface of the bottom box are provided with two semi-enclosed baffles, and two first connecting rods are matched on the baffles through hinge shafts; one ends of the two first connecting rods, which are far away from the bending section, are clamped and connected with a second connecting rod by a first pre-tightening bolt, and the first indicating plate and the second indicating plate are two mutually perpendicular plate surfaces formed by bending the same plate into ninety degrees; the first indicating plate forms a rotating pair through a hinge joint, a second pre-tightening bolt and a second connecting rod; a cavity is formed inside an integrated structure formed by the bottom box and the baffle; the utility model has the advantages that: can be moved in a portable way; has double-form multiple functions; foundation piles do not need to be established.
Description
Technical Field
The utility model relates to the traffic equipment field specifically is a traffic sign with bimorph.
Background
The traditional traffic sign board is composed of an indication icon and a support, but the connection of the indication icon and the support is relatively fixed, the support is required to be provided with foundation piles to be poured and fixed on a roadside in order to be firm, the traffic indication sign is generally adhered or sprayed on a plate-type material and fixed on the support, a conventional traffic sign board is arranged for a place needing traffic indication temporarily, the pouring of the foundation piles is time-consuming and labor-consuming, the foundation piles poured temporarily are not used for other values at subsequent time, the cost is high, the existing traffic sign board is only provided with one form and only has one function of traffic indication, and therefore the existing technology needs a traffic sign board which can be moved in a portable mode and has multiple functions of two forms.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a traffic sign with bimorph to solve the problem that mentions among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a traffic sign having a dual configuration, comprising: the water-saving device comprises a bottom box, a baffle, a trapezoidal groove, a first connecting rod, a second connecting rod, a hinge joint, a first pre-tightening bolt, a second pre-tightening bolt, a first indicating plate, a second indicating plate, a first contact bottom, a second contact bottom, a water inlet pipe, a water outlet pipe, a rubber bolt, a first preformed groove, a second preformed groove, a cavity, a bending section and a straight rod section; the bottom box is of a cuboid structure, two semi-surrounding baffles are arranged at two ends of the upper surface of the bottom box, one surface of each baffle coincides with the side end face of the bottom box, the other two surfaces of each baffle are parallel to each other to form a parallel surface, a first connecting rod is respectively matched with the inner sides of the two parallel surfaces of the baffle on one side through a hinge shaft, the first connecting rod is provided with a bending section at the end of the hinge shaft, the other end of the bending section is a straight rod section formed by a straight rod, a first pre-tightening bolt is a bolt with a nut, one end of each first connecting rod far away from the bending section is clamped and connected with a second connecting rod through a first pre-tightening bolt, the first indicating plate and the second indicating plate are two mutually vertical plate faces formed by bending the same plate into ninety degrees, the first indicating plate is a plate face parallel to the bottom surface of the bottom box, the second indicating plate is a plate face vertical to the bottom surface of the bottom box, and the short edge of the second indicating plate is connected with the bottom box, The height of the baffles is the same; the distances between the long sides of the first indicator board and the second indicator board and the front end surface and the rear end surface of the bottom box are the same; a cylindrical hinged joint is fixed at the bottom of the first indicator plate in a bolt or welding mode, the second pre-tightening bolt is a bolt with a nut, one end, far away from the first pre-tightening bolt, of the second connecting rod is provided with a notch, the hinged joint is embedded in the notch, and the second pre-tightening bolt penetrates through the notch of the second connecting rod and the hinged joint, so that the hinged joint forms a revolute pair through the second pre-tightening bolt and the second connecting rod; the bottom box and the baffle are of an integrated structure, the integrated structure formed by the bottom box and the baffle is of a hollow shell shape, and a cavity is formed inside the integrated structure formed by the bottom box and the baffle.
Preferably, the upper end surface of the first indicator panel and the outer end surface of the second indicator panel are provided with traffic warning signs or traffic indication marks.
Preferably, the bottom box is provided with a groove reserved for the bending section to form a first reserved groove.
Preferably, the bottom box is provided with a second preformed groove formed by a groove reserved at the joint of the first pre-tightening bolt and the first connecting rod and a groove reserved at the joint of the second connecting rod.
Preferably, the thickness of the second connecting rod, the thickness of the first connecting rod and the height of the baffle are consistent.
Preferably, chamfers are arranged at the inner ends of the parallel surfaces of the baffles, so that two independent trapezoidal grooves are formed between the two baffles.
Preferably, the integral type that end box and baffle are constituteed is structural parallel and keep away from the lateral wall of second indicator board on, and the corner department that is close to first preformed groove is equipped with a pipeline and the cavity communicates with each other forms the inlet tube, and the integral type that end box and baffle are constituteed is structural parallel and keep away from the lateral wall of second indicator board on, and the diagonal angle department with the inlet tube is equipped with a pipeline and the cavity communicates with each other forms the outlet pipe, the mouth of pipe department embedded rubber cock of inlet tube and outlet pipe.
Preferably, the bottom surface of the bottom box is a first contact bottom, and the side surface of the bottom box, which is far away from the first preformed groove, is a second contact bottom.
Preferably, the first pre-tightening bolt is screwed to enable pre-tightening force to be formed between the first connecting rod and the second connecting rod, the second pre-tightening bolt is screwed to enable pre-tightening force to be formed between the second connecting rod and the hinge joint, and the hinge shaft matched with the first connecting rod and the baffle is matched with the first connecting rod and the baffle in an interference fit mode to enable pre-tightening force to be formed between the first connecting rod and the baffle.
Compared with the prior art, the beneficial effects of the utility model are that:
the mobile terminal can move in a portable way: through first connecting rod, the establishment of second connecting rod makes this application when not using, fold first connecting rod between two baffles earlier, with first connecting rod, the fifty percent discount is tied around first pretension to the second connecting rod, make the fifty percent discount of second connecting rod be located between two first connecting rods, with first indicator board, the whole second that centers on of second pretension bolt and second connecting rod fifty percent discount of second indicator board, the one end that makes the second connecting rod keep away from the second pretension bolt pastes tight second indicator board lower surface, the section of buckling is built-in at first preformed groove this moment, first pretension bolt and first connecting rod, second connecting rod junction is built-in the second preformed groove, the last top surface of second indicator board lower surface subsides tightly at two baffles makes the utility model discloses wholly be a cuboid structure, convenient storage and transport.
Secondly, the device has double-form multiple functions: the first indication plate and the second indication plate are arranged, so that the traffic sign can be used, and the traffic sign can be used as a roadblock intercepting device.
Thirdly, foundation piles do not need to be set: through the cavity design of the drainage of can adding water, be this application can be through annotating water in the cavity to increase the weight of end box, make the utility model discloses a focus reduces, improves the utility model discloses stability.
Drawings
FIG. 1 is a schematic view of a first three-dimensional structure of a traffic sign having a dual configuration.
FIG. 2 is a second perspective view of a traffic sign having a dual configuration.
FIG. 3 is a schematic view of a traffic sign having a dual configuration in use in a first configuration.
FIG. 4 is a schematic diagram of a traffic sign having a dual configuration in use in a second configuration.
Fig. 5 is a schematic structural view of a hollow cavity of a traffic sign having a dual form.
In the figure: 1. a bottom case; 2. a baffle plate; 3. a trapezoidal groove; 4. a first link; 5. a second link; 6. a hinge joint; 7. a first pre-tightening bolt; 8. a second pre-tightening bolt; 9. a first indicator panel; 10. a second indicator panel; 11. a first contact bottom; 12. a second contact bottom; 13. a water inlet pipe; 14. a water outlet pipe; 15. a rubber plug; 16. a first preformed groove; 17. a second preformed groove; 18. a cavity; 41. bending the section; 42. a straight pole section.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; 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.
Referring to fig. 1 to 5, in an embodiment of the present invention, a traffic sign with a dual form includes: the device comprises a bottom box 1, a baffle 2, a trapezoid groove 3, a first connecting rod 4, a second connecting rod 5, a hinge joint 6, a first pre-tightening bolt 7, a second pre-tightening bolt 8, a first indicating plate 9, a second indicating plate 10, a first contact bottom 11, a second contact bottom 12, a water inlet pipe 13, a water outlet pipe 14, a rubber bolt 15, a first preformed groove 16, a second preformed groove 17, a cavity 18, a bending section 41 and a straight rod section 42; the bottom box 1 is of a cuboid structure, two semi-enclosed baffles 2 are arranged at two ends of the upper surface of the bottom box 1, one surface of each baffle 2 is overlapped with the side end surface of the bottom box 1, the other two surfaces are parallel to each other to form parallel surfaces, the inner sides of the two parallel surfaces of the baffle 2 at one side are respectively matched with a first connecting rod 4 through a hinge shaft, the first connecting rod 4 is provided with a curvature bending section 41 at the hinge shaft end, the other end of the bending section 41 is a straight rod section 42 formed by a straight rod, the first pre-tightening bolt 7 is a bolt with a nut, one ends of the two first connecting rods 4 far away from the bending section 41 are clamped and connected with a second connecting rod 5 by the first pre-tightening bolt 7, the first indicating plate 9 and the second indicating plate 10 are two mutually vertical plate surfaces formed by bending the same plate into ninety degrees, wherein the first indicating plate 9 is a plate surface parallel to the bottom surface of the bottom box 1, and the second indicating plate 10 is a plate surface vertical to the bottom surface of the bottom box 1, wherein the short side of the second indicating plate 10 is the same as the height sum of the bottom case 1 and the baffle 2; the distances between the long sides of the first indicator board 9 and the second indicator board 10 and the front end face and the rear end face of the bottom case 1 are the same; a cylindrical hinged joint 6 is fixed at the bottom of the first indicator board 9 in a bolt or welding mode, the second pre-tightening bolt 8 is a bolt with a nut, a notch is formed in one end, away from the first pre-tightening bolt 7, of the second connecting rod 5, the hinged joint 6 is embedded in the notch, and the second pre-tightening bolt 8 penetrates through the notch of the second connecting rod 5 and the hinged joint 6, so that the hinged joint 6 forms a revolute pair through the second pre-tightening bolt 8 and the second connecting rod 5; the bottom box 1 and the baffle 2 are of an integrated structure, the integrated structure formed by the bottom box 1 and the baffle 2 is of a hollow shell shape, and a cavity 18 is formed inside the integrated structure formed by the bottom box 1 and the baffle 2.
And the upper end surface of the first indicator board 9 and the outer end surface of the second indicator board 10 are provided with traffic warning signs or traffic indication marks.
The bottom box 1 is provided with a groove reserved for the bending section 41 to form a first reserved groove 16.
And a second reserved groove 17 is formed by a reserved groove at the joint of the first pre-tightening bolt 7 and the first connecting rod 4 and the second connecting rod 5 and is arranged on the bottom box 1.
The thickness of the second connecting rod 5, the thickness of the first connecting rod 4 and the height of the baffle 2 are consistent.
And chamfers are arranged at the inner ends of the parallel planes of the baffle plates 2, so that two independent trapezoidal grooves 3 are formed between the two baffle plates 2.
On the integral type structure that end box 1 and baffle 2 are constituteed was gone up the parallel and is kept away from the lateral wall of second indicator panel 10, the corner department that is close to first preformed groove 16 is equipped with a pipeline and cavity 18 and communicates with each other and forms inlet tube 13, on the integral type structure that end box 1 and baffle 2 are constituteed was gone up the parallel and is kept away from the lateral wall of second indicator panel 10, and the diagonal angle department with inlet tube 13 is equipped with a pipeline and cavity 18 and communicates with each other and form outlet pipe 14, the mouth of pipe department of inlet tube 13 and outlet pipe 14 is embedded to have rubber stopper 15.
The bottom surface of the bottom box 1 is a first contact bottom 11, and the side surface of the bottom box 1 far away from the first preformed groove 16 is a second contact bottom 12.
First pretension bolt 7 screws and makes and have the pretightning force between first connecting rod 4, the second connecting rod 5, second pretension bolt 8 screws and makes and have the pretightning force between second connecting rod 5 and the articulated joint 6, first connecting rod 4 and baffle 2 complex hinge adopt interference fit's mode cooperation first connecting rod 4 and baffle 2, make and have a pretightning force between first connecting rod 4 and the baffle 2.
The utility model discloses a theory of operation is: the utility model discloses when not using, earlier fold first connecting rod 4 between two baffles 2, with first connecting rod 4, second connecting rod 5 centers on first pretension and ties 7 fifty percent discount, make 5 fifty percent discount of second connecting rod be located between two first connecting rod 4, with first indicator board 9, second indicator board 10 is whole centers on second pretension and ties 8 and 5 fifty percent discount of second connecting rod, make second connecting rod 5 keep away from the one end of second pretension and tie 10 lower surfaces of tight second indicator board, the section of buckling 41 is built-in at first preformed groove 16 this moment, first pretension tie 7 and first connecting rod 4, second connecting rod 5 junction is built-in second preformed groove 17, the last top surface of second indicator board 10 lower surface subsides at two baffles 2 makes the utility model discloses wholly be a cuboid structure, convenient storage and transport.
As a second embodiment of the present usage: when the utility model is used as a traffic sign, the first contact bottom 11 is used as a ground contact support, the first connecting rod 4 is rotated to a state perpendicular to the upper surface of the bottom case 1 by inserting a hand from the trapezoidal groove 3, the included angle of the first connecting rod 4 and the second connecting rod 5 is adjusted to adjust the height of the first indicating plate 9, the indicating angle of the first indicating plate 9 can be adjusted by adjusting the included angle of the first indicating plate 9 and the second connecting rod 5, the first indicating plate 9 is used for indicating the traffic condition at the rear (as shown in fig. 3), the rubber bolt 15 at the water inlet pipe 13 can be opened to inject water into the cavity 18, so as to increase the weight of the bottom case 1, the gravity center of the utility model is reduced, and the stability of the utility model is improved; when the utility model discloses open the water in the cavity 18 is emitted to the rubber stopper 15 of outlet pipe 14 after finishing using, alleviate end box 1 weight, will again the utility model discloses form before wholly folding into when using accomplishes the utility model discloses a retrieve, move the fortune again, make things convenient for next use.
As a second embodiment of the present usage: when the utility model is used as a roadblock intercepting device, the second contact bottom 12 is a ground contact support, the first connecting rod 4 is rotated to be perpendicular to the upper surface of the bottom box 1 by inserting a hand from the trapezoidal groove 3, the included angle between the first connecting rod 4 and the second connecting rod 5 is adjusted to be one hundred eighty degrees by adjusting the included angle between the first connecting rod 4 and the second connecting rod 5, the included angle between the first indicator board 9 and the second connecting rod 5 is adjusted to be perpendicular to each other (as shown in figure 4), the sideline part of the first indicator board 9 far away from the hinge joint 6 is contacted with the ground, the side of the second indicator board 10 provided with the traffic warning slogan or the traffic indication sign faces the traffic flow direction, the traffic warning slogan or the traffic indication sign is used for indicating road closing information, and the first connecting rod 4 and the second connecting rod 5 integrally form a temporary height limiting structure, the water injection device is used for preventing the traffic flow from going forward, and at the moment, the rubber bolt 15 at the position of the water inlet pipe 13 can be opened to inject water into the cavity 18 so as to increase the weight of the bottom box 1, so that the gravity center of the water injection device is reduced, and the stability of the water injection device is improved; when the utility model discloses open the water in the cavity 18 is emitted to the rubber stopper 15 of outlet pipe 14 after finishing using, alleviate end box 1 weight, will again the utility model discloses form before wholly folding into when using accomplishes the utility model discloses a retrieve, move the fortune again, make things convenient for next use.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention; furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated; thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature.
In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to 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.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein; any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. A traffic sign having a dual configuration, comprising: the device comprises a bottom box (1), a baffle (2), a trapezoid groove (3), a first connecting rod (4), a second connecting rod (5), a hinge joint (6), a first pre-tightening bolt (7), a second pre-tightening bolt (8), a first indicating plate (9), a second indicating plate (10), a first contact bottom (11), a second contact bottom (12), a water inlet pipe (13), a water outlet pipe (14), a rubber bolt (15), a first preformed groove (16), a second preformed groove (17), a cavity (18), a bending section (41) and a straight rod section (42); the method is characterized in that: the bottom box (1) is of a cuboid structure, two semi-enclosed baffles (2) are arranged at two ends of the upper surface of the bottom box (1), one side of each baffle (2) is overlapped with the side end face of the bottom box (1), the other two sides are parallel to each other to form parallel faces, the inner sides of the two parallel faces of the baffle (2) on one side are respectively matched with a first connecting rod (4) through a hinge shaft, the first connecting rod (4) is provided with a curvature bending section (41) at the hinge shaft end, the other end of the bending section (41) is a straight rod-shaped straight rod section (42), the first pre-tightening bolt (7) is a bolt with a nut, one end of each first connecting rod (4) far away from the bending section (41) is clamped and connected with a second connecting rod (5) by the first pre-tightening bolt (7), the first indicator plate (9) and the second indicator plate (10) are two mutually perpendicular plate faces formed by bending the same plate into a ninth degree, the first indicating plate (9) is a plate surface parallel to the bottom surface of the bottom box (1), the second indicating plate (10) is a plate surface vertical to the bottom surface of the bottom box (1), and the short edge of the second indicating plate (10) is equal to the height of the bottom box (1) and the height of the baffle (2); the distances between the long sides of the first indicating plate (9) and the second indicating plate (10) and the front end face and the rear end face of the bottom box (1) are the same; a cylindrical hinged joint (6) is fixed at the bottom of the first indicating plate (9) in a bolt or welding mode, the second pre-tightening bolt (8) is a bolt with a nut, a notch is formed in one end, away from the first pre-tightening bolt (7), of the second connecting rod (5), the hinged joint (6) is embedded in the notch, and the second pre-tightening bolt (8) penetrates through the notch of the second connecting rod (5) and the hinged joint (6), so that the hinged joint (6) forms a revolute pair through the second pre-tightening bolt (8) and the second connecting rod (5); the bottom box (1) and the baffle (2) are of an integrated structure, the integrated structure formed by the bottom box (1) and the baffle (2) is of a hollow shell shape, and a cavity (18) is formed inside the integrated structure formed by the bottom box (1) and the baffle (2).
2. A traffic sign having a bi-form according to claim 1, wherein: and the upper end surface of the first indicating plate (9) and the outer end surface of the second indicating plate (10) are provided with traffic warning signs or traffic indicating signs.
3. A traffic sign having a bi-form according to claim 1, wherein: the bottom box (1) is provided with a groove reserved for the bending section (41) to form a first reserved groove (16).
4. A traffic sign having a bi-form according to claim 1, wherein: the bottom box (1) is provided with a second preformed groove (17) formed by a groove reserved at the joint of the first pre-tightening bolt (7) and the first connecting rod (4) and the second connecting rod (5).
5. A traffic sign having a bi-form according to claim 1, wherein: the thickness of the second connecting rod (5), the thickness of the first connecting rod (4) and the height of the baffle (2) are consistent.
6. A traffic sign having a bi-form according to claim 1, wherein: the inner ends of the parallel surfaces of the baffle plates (2) are provided with chamfers, so that two independent trapezoidal grooves (3) are formed between the two baffle plates (2).
7. A traffic sign having a bi-form according to claim 1, wherein: on the integral type structure that end box (1) and baffle (2) are constituteed was gone up the parallel and is kept away from the lateral wall of second indicator board (10), the corner department that is close to first preformed groove (16) is equipped with a pipeline and cavity (18) and communicates with each other and form inlet tube (13), on the integral type structure that end box (1) and baffle (2) are constituteed was gone up the parallel and is kept away from the lateral wall of second indicator board (10), be equipped with a pipeline and cavity (18) with the diagonal angle department of inlet tube (13) and communicate with each other and form outlet pipe (14), the mouth of pipe department of inlet tube (13) and outlet pipe (14) is embedded to have rubber stopper (15).
8. A traffic sign having a bi-form according to claim 1, wherein: the bottom surface of the bottom box (1) is a first contact bottom (11), and the side surface, far away from the first preformed groove (16), of the bottom box (1) is a second contact bottom (12).
9. A traffic sign having a bi-form according to claim 1, wherein: first pretension bolt (7) are screwed to enable pretightening force to be provided between first connecting rod (4) and second connecting rod (5), second pretension bolt (8) are screwed to enable pretightening force to be provided between second connecting rod (5) and hinge joint (6), first connecting rod (4) and baffle (2) matched hinge shaft are matched with first connecting rod (4) and baffle (2) in an interference fit mode, and pretightening force is provided between first connecting rod (4) and baffle (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022346074.4U CN214194225U (en) | 2020-10-20 | 2020-10-20 | Traffic sign with two forms |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022346074.4U CN214194225U (en) | 2020-10-20 | 2020-10-20 | Traffic sign with two forms |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214194225U true CN214194225U (en) | 2021-09-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022346074.4U Active CN214194225U (en) | 2020-10-20 | 2020-10-20 | Traffic sign with two forms |
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| Country | Link |
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| CN (1) | CN214194225U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114032808A (en) * | 2021-11-24 | 2022-02-11 | 尧新凤 | Traffic signal tablet erection equipment for municipal administration |
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2020
- 2020-10-20 CN CN202022346074.4U patent/CN214194225U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114032808A (en) * | 2021-11-24 | 2022-02-11 | 尧新凤 | Traffic signal tablet erection equipment for municipal administration |
| CN114032808B (en) * | 2021-11-24 | 2023-09-26 | 仁诚建设有限公司 | Traffic signal tablet erection equipment for municipal administration |
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