Portable drawing lamp for urban and rural planning

Abstract

The utility model relates to the field of urban and rural planning, and discloses a portable drawing lamp for urban and rural planning, which comprises a base, an illuminating lamp is arranged on the upper surface of the base, a handle is fixedly connected to the right surface of the base, a fixing component is arranged on the lower surface of the base, and a clamping component is arranged on the lower surface of the base. And the clamping assembly comprises a hand wheel, the lower surface of the hand wheel is fixedly connected with a screw rod, the left surface of the base is slidably connected with a moving plate, the inner wall of the moving plate is elastically connected with a sliding rod through a compression spring, and the upper surface of the sliding rod is fixedly connected with a clamping plate. According to the clamping device, through cooperation of the clamping assemblies, the device can be conveniently fixed to the edges of objects such as table corners and drawing boards, the clamping force can be accurately controlled during clamping, clamping stability is guaranteed, meanwhile, damage to the clamped part can be avoided, and the practicability of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of urban and rural planning especially relates to a portable drawing lamp for urban and rural planning. BACKGROUND

[0002] In the field of urban and rural planning, drawing work is very common in indoor seminars or outdoor field reconnaissance and temporary explanation. As an auxiliary lighting tool, the drawing lamp plays a key role in improving the visibility and accuracy of drawing.

[0003] The traditional drawing lamp has many inconveniences in actual use, on the one hand, when it needs to be fixed on a blackboard, whiteboard or wall surface for display drawing operation, it often lacks effective adsorption device, which causes inconvenience in use, on the other hand, when the drawing lamp needs to be clamped on the corner of a table or the edge of a drawing board, the user can only operate by experience because it is impossible to accurately judge the clamping force. If the clamping force is too small, the drawing lamp may loosen and fall off during use due to its own weight or slight external force, causing damage to the lamp; if the clamping force is too large, it may cause irreversible damage to the clamped parts such as the corner of the table or the edge of the drawing board.

[0004] Therefore, a portable drawing lamp for urban and rural planning is proposed to solve the above problems. CONTENT OF THE UTILITY MODEL

[0005] In order to make up for the above shortcomings, the utility model provides a portable drawing lamp for urban and rural planning, which aims to improve the problem of inconvenient adsorption and uncontrollable clamping force of the drawing lamp in the prior art.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: a portable drawing lamp for urban and rural planning, comprising a base, the upper surface of the base is provided with a lighting lamp, the right surface of the base is fixedly connected with a handle, the lower surface of the base is provided with a fixing assembly, the lower surface of the base is provided with a clamping assembly, the clamping assembly comprises a hand wheel, the lower surface of the hand wheel is fixedly connected with a screw rod, the left surface of the base is slidingly connected with a moving plate, the inner wall of the moving plate is elastically connected with a slide rod through a compression spring, the upper surface of the slide rod is fixedly connected with a clamping plate.

[0007] As a further description of the above technical scheme:

[0008] The fixing assembly comprises a hollow tube, the lower surface of the hollow tube is fixedly connected with a suction cup one, the lower surface of the suction cup one is fixedly connected with a suction cup two, the front surface of the hollow tube is provided with a valve core, the right surface of the hollow tube is provided with a one-way valve.

[0009] As a further description of the above technical scheme:

[0010] The screw rod is connected through and rotates on the upper surface of the base, and is connected through and screws on the lower surface of the moving plate.

[0011] Further description of the above technical solution:

[0012] The sliding rod is connected through and slides on the upper surface of the moving plate, and the outer wall of the hand wheel is provided with anti-skid lines.

[0013] Further description of the above technical solution:

[0014] One end of the compression spring is fixedly connected to the inner wall of the bottom end of the moving plate, and the other end of the compression spring is fixedly connected to the lower surface of the sliding rod.

[0015] Further description of the above technical solution:

[0016] The compression spring and the sliding rod are provided with four groups, and the four groups of the compression spring and the sliding rod are uniformly distributed at the four corners of the lower surface of the clamping plate.

[0017] Further description of the above technical solution:

[0018] The upper surface of the hollow pipe is fixedly connected to the lower surface of the base.

[0019] Further description of the above technical solution:

[0020] The hollow pipe, the first suction cup and the second suction cup are in communication with each other.

[0021] The utility model has the advantages of the following:

[0022] 1、The device can be fixed on the edge of objects such as table corners and drawing boards conveniently through the cooperation of the clamping assembly, the clamping force can be controlled accurately during clamping, the damage of the clamping part can be avoided while ensuring the stability of clamping, and the practicability of the device is improved.

[0023] 2、The device can be adsorbed on horizontal or vertical planes conveniently through the cooperation of the fixing assembly, the applicability of the device is enhanced, and the handle is convenient for carrying the device, and the convenience is improved. DRAWINGS

[0024] Figure 1 It is a front view schematic diagram of the three-dimensional structure of the overall device in the utility model;

[0025] Figure 2 It is a side view schematic diagram of the three-dimensional structure of the overall device in the utility model;

[0026] Figure 3This is a three-dimensional cross-sectional view of the base in this utility model;

[0027] Figure 4 This is a three-dimensional cross-sectional diagram of the hollow tube, suction cup one, and suction cup two in this utility model.

[0028] Legend:

[0029] 1. Base; 2. Lighting lamp; 3. Handle; 41. Hollow tube; 42. Suction cup one; 43. Suction cup two; 44. Valve core; 45. One-way valve; 51. Handwheel; 52. Screw; 53. Moving plate; 54. Compression spring; 55. Slide rod; 56. Clamping plate. Detailed Implementation

[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0031] Reference Figure 1 - Figure 2 This utility model provides an embodiment of a portable drawing lamp for urban and rural planning, including a base 1 for connecting the overall device. The upper surface of the base 1 is provided with a lighting lamp 2, which is existing technology and is foldable and can be implemented by those skilled in the art. Since it is existing technology, it will not be described in detail in this case. The right surface of the base 1 is fixedly connected with a handle 3, which is made of cloth for easy gripping and carrying. The lower surface of the base 1 is provided with a fixing component, which can firmly attach the base 1 to a flat surface, such as a desktop, whiteboard, or blackboard. The lower surface of the base 1 is provided with a clamping component, which can clamp and fix the base 1 to the headboard, table edge, etc., and can also prevent excessive clamping force from damaging the clamping plate 56.

[0032] Reference Figure 1 - Figure 3 The clamping assembly includes a handwheel 51, which is easy to turn. A screw 52 is fixedly connected to the lower surface of the handwheel 51. The screw 52 is existing technology and can be implemented by those skilled in the art. Since it is existing technology, it will not be described in detail in this case. The screw 52 has self-locking properties. A movable plate 53 is slidably connected to the left surface of the base 1. The movable plate 53 can move longitudinally to change the distance between the clamping plate 56 and the base 1. The inner wall of the movable plate 53 is elastically connected to a slide rod 55 through a compression spring 54. The clamping plate 56 is fixedly connected to the upper surface of the slide rod 55.

[0033] Referring to Figure 1 , Figure 4 , the fixed assembly comprises a hollow tube 41, the lower surface of the hollow tube 41 is fixedly connected with a suction cup I 42, the suction cup I 42 can be folded, the lower surface of the suction cup I 42 is fixedly connected with a suction cup II 43, the interiors of the hollow tube 41, the suction cup I 42 and the suction cup II 43 are in a sealed state, the air in the hollow tube 41, the suction cup I 42 and the suction cup II 43 can be kept sealed when the lower surface of the suction cup II 43 is closed, the front surface of the hollow tube 41 is provided with a valve core 44, the right surface of the hollow tube 41 is provided with a one-way valve 45, the valve core 44 and the one-way valve 45 are both prior art and can be realized by those skilled in the art, and since they are prior art, they will not be described in detail in this case, the valve core 44 has a valve nozzle, pressing the valve nozzle can make the air in and out of the hollow tube 41, and the one-way valve 45 can make the air in the hollow tube 41 be discharged and the external air cannot enter from the one-way valve 45.

[0034] Referring to Figure 1 - Figure 3 , the screw rod 52 penetrates and is rotationally connected to the upper surface of the base 1, the screw rod 52 penetrates and is threadedly connected to the lower surface of the moving plate 53, when the screw rod 52 rotates, the moving plate 53 will move longitudinally, the slide rod 55 penetrates and is slidingly connected to the upper surface of the moving plate 53, the outer wall of the hand wheel 51 is provided with anti-skid lines to prevent loosening when rotating, one end of the compression spring 54 is fixedly connected to the inner wall of the bottom end of the moving plate 53, the other end of the compression spring 54 is fixedly connected to the lower surface of the slide rod 55, when the slide rod 55 moves downward, it will press the compression spring 54 to generate a reaction force, the compression spring 54 and the slide rod 55 are provided with four sets, and the four sets of compression spring 54 and slide rod 55 are evenly distributed at the four corners of the lower surface of the clamping plate 56.

[0035] Referring to Figure 1 , Figure 4 , the upper surface of the hollow tube 41 is fixedly connected to the lower surface of the base 1, and the interiors of the hollow tube 41, the suction cup I 42 and the suction cup II 43 are in communication with each other.

[0036] Working principle: when the device is used, if it is needed to be adsorbed on a plane such as a desktop, a smooth wall surface, a blackboard or a whiteboard, the suction cup II 43 is directly aligned with the plane and the base 1 is pressed to drive the suction cup I 42 to contract, so as to extrude the air in the hollow tube 41, the suction cup I 42 and the suction cup II 43, the air will be discharged from the one-way valve 45, then the hand is released, after the external force is removed, the suction cup I 42 will be opened under the action of its own elasticity, at this time, the interiors of the hollow tube 41, the suction cup I 42 and the suction cup II 43 are in a negative pressure state, at this time, the suction cup II 43 will be firmly adsorbed on the plane to ensure the stability of the device, if it is needed to disassemble the base 1 subsequently, the valve nozzle on the valve core 44 is pressed to make the air in and out of the hollow tube 41, so as to remove the negative pressure state in the hollow tube 41, the suction cup I 42 and the suction cup II 43, at this time, the device can be taken up.

[0037] If it is needed to fix the device at the corner of a table or the like, the corner of the table can be inserted into the space between the base 1 and the clamping plate 56, and then the hand wheel 51 is rotated to drive the screw rod 52 to rotate, and then drive the moving plate 53, the compression spring 54, the slide rod 55 and the clamping plate 56 to move upward, when the clamping plate 56 contacts the corner of the table, the force required to rotate the hand wheel 51 will increase at this time, and the user can intuitively feel that the device is about to be clamped, at this time, the hand wheel 51 is continuously rotated for several turns, so that the clamping plate 56 and the base 1 clamp the corner of the table, and the fixing is completed, during the clamping process, the slide rod 55 will retract into the moving plate 53 to press the compression spring 54 to generate a reaction force, when disassembling is needed subsequently, the hand wheel 51 is reversely rotated to release the clamping of the corner of the table.

[0038] The illuminating lamp 2 can be unfolded when in use, can be folded and stored when idle, and can be carried by holding the handle 3 when moving.

[0039] It should be finally pointed out that: the above only describes preferred embodiments of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced equivalently, any modification, equivalent replacement, improvement and the like within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A portable drawing light for urban and rural planning, comprising a base (1), characterized in that: The upper surface of the base (1) is provided with a lighting lamp (2), the right surface of the base (1) is fixedly connected with a handle (3), the lower surface of the base (1) is provided with a fixing component, the lower surface of the base (1) is provided with a clamping component, the clamping component includes a handwheel (51), the lower surface of the handwheel (51) is fixedly connected with a screw (52), the left surface of the base (1) is slidably connected with a moving plate (53), the inner wall of the moving plate (53) is elastically connected with a slide rod (55) by a compression spring (54), and the upper surface of the slide rod (55) is fixedly connected with a clamping plate (56).

2. The portable drawing light for urban and rural planning according to claim 1, characterized in that: The fixing assembly includes a hollow tube (41), a suction cup one (42) is fixedly connected to the lower surface of the hollow tube (41), a suction cup two (43) is fixedly connected to the lower surface of the suction cup one (42), a valve core (44) is provided on the front surface of the hollow tube (41), and a one-way valve (45) is provided on the right surface of the hollow tube (41).

3. A portable drawing light for urban and rural planning according to claim 1, characterized in that: The screw (52) passes through and is rotatably connected to the upper surface of the base (1), and the screw (52) passes through and is threadedly connected to the lower surface of the movable plate (53).

4. A portable drawing light for urban and rural planning according to claim 1, characterized in that: The slide bar (55) passes through and is slidably connected to the upper surface of the moving plate (53), and the outer wall of the handwheel (51) is provided with anti-slip texture.

5. A portable drawing light for urban and rural planning according to claim 1, characterized in that: One end of the compression spring (54) is fixedly connected to the inner wall of the bottom of the moving plate (53), and the other end of the compression spring (54) is fixedly connected to the lower surface of the slide rod (55).

6. A portable drawing light for urban and rural planning according to claim 1, characterized in that: The compression spring (54) and slide bar (55) are provided in four sets, and the four sets of compression spring (54) and slide bar (55) are evenly distributed at the four corners of the lower surface of the clamp plate (56).

7. A portable drawing light for urban and rural planning according to claim 2, characterized in that: The upper surface of the hollow tube (41) is fixedly connected to the lower surface of the base (1).

8. A portable drawing light for urban and rural planning according to claim 2, characterized in that: The hollow tube (41), suction cup one (42), and suction cup two (43) are interconnected internally.

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