Urban construction planning drawing projection display device

Abstract

The utility model discloses an urban construction planning drawing projection display device which comprises a supporting seat, a supporting plate and a projector are arranged on the supporting seat, a ball sleeve is arranged on the supporting seat, a ball head is arranged at the bottom of the supporting plate, a balance weight rod and a balance weight ball are arranged at the bottom of the ball head, and a plurality of supporting bolts are arranged between the supporting seat and the supporting plate. A fixing device is arranged between the supporting plate and the projector and comprises a fixing sleeve, a fixing rod is arranged on the projector, a clamping rod is arranged on the fixing sleeve in a sliding mode, a clamping block is fixedly arranged on the clamping rod, a clamping ring groove is formed in the fixing rod, and a ball head is driven to rotate in a ball sleeve through cooperation of a balance weight rod and a balance weight ball; the adjusting mode is simple and convenient, the horizontal height of the supporting plate is conveniently supported through the supporting bolts, the horizontal supporting stability of the supporting plate is improved, and the projector is conveniently fixed through cooperation of the clamping blocks and the clamping ring grooves.

Description

Technical Field

[0001] The utility model relates to the technical field of urban construction planning. More specifically, it relates to a projection display device for urban construction planning drawings. Background Technique

[0002] Urban construction planning, that is, urban construction and planning, refers to the systematic planning and design of the development of a city to guide the orderly development of the city, improve urban functions, improve the urban environment, and promote the coordinated development of the economy and society. The content of traditional urban construction planning design mainly relies on drawings for expression. The drawing expression requires a great deal of three-dimensional thinking ability from the understanding personnel. The understanding personnel need to communicate for a long time regarding the drawing content to fully grasp the intention of the planner, which is very time-consuming and energy-consuming. Therefore, a projection device is often used for a comprehensive expression of the planning.

[0003] In the existing technology, the projector is not easy to level, resulting in trapezoidal distortion or up-and-down inclination of the projected drawing image, affecting the viewing effect. Users need to spend more time and energy to adjust the position or angle of the projector to achieve the best viewing effect, reducing the convenience and comfort of use. At the same time, it is not easy to fix between the projector and the support bracket. When moving and adjusting the projection position, it is extremely easy to deviate and fall, affecting the stability of the projector support and the service life. Content of the Utility Model

[0004] (1) Technical Problems to be Solved

[0005] Aiming at the problems existing in the prior art, the utility model provides a projection display device for urban construction planning drawings to solve the technical problems that the projector in the background technique is not easy to level and fix.

[0006] (2) Technical Solutions

[0007] To achieve the above object, the utility model provides the following technical solution: A projection display device for urban construction planning drawings, including a support base. A support plate is provided on the support base, and a projector is provided on the support plate. A ball socket is provided on the support base. A ball head matching with the ball socket is arranged at the bottom of the support plate. A counterweight rod and a counterweight ball are provided at the bottom of the ball head. A plurality of fastening bolts are provided on the ball socket. A plurality of support bolts are provided between the support base and the support plate. A fixing device is provided between the support plate and the projector. The fixing device includes a fixing sleeve. The fixing sleeve is arranged below the support plate. A fixing rod is provided on the projector. A clamping rod is slidably arranged on the fixing sleeve. A clamping block is fixedly arranged on the clamping rod. A clamping ring groove matching with the clamping block is arranged on the fixing rod.

[0008] The present utility model is further configured such that a threaded rod is provided on the counterweight rod, and the threaded rod is in threaded connection with the ball head, facilitating the installation of the counterweight rod and the counterweight ball.

[0009] The present utility model is further configured such that a plurality of balls are provided inside the ball socket, improving the smoothness of rotation of the ball socket and the ball head.

[0010] The present utility model is further configured such that a clamping spring is provided between the clamping block and the fixed sleeve, enabling the clamping block to have a continuously stable force pointing to the clamping ring groove, making the connection between the clamping block and the fixed rod stable.

[0011] The present utility model is further configured such that a reset plate is provided at one end of the clamping rod, and a reset ring is sleeved outside the fixed sleeve. The reset ring is conical, facilitating the movement of the reset plate and the clamping rod towards the circumferential outside.

[0012] The present utility model is further configured such that the cross-section of the clamping rod is a regular quadrilateral, and the upper end surface of the clamping block is inclined. The regular quadrilateral clamping rod restricts the movement direction of the clamping block and prevents it from rotating. The inclined upper end surface of the clamping block facilitates directly squeezing the clamping block through the fixed rod.

[0013] The present utility model is further configured such that a fixing spring is provided between the fixed sleeve and the fixed rod, enabling the fixed rod to have an upward elastic force, thereby making the connection between the clamping block and the clamping ring groove stable.

[0014] The present utility model is further configured such that support legs are provided on the support base, and rubber pads are sleeved on the support legs, improving the support stability of the support base.

[0015] (III) Advantageous Effects

[0016] Compared with the prior art, the present utility model provides a projection display device for urban construction planning drawings, having the following advantageous effects:

[0017] 1. Through the cooperation of the counterweight rod and the counterweight ball, the ball head is driven to rotate in the ball socket, and then the support plate is in a leveled state on the support base. The adjustment method is simple and convenient. The position of the ball head is fixed by a fastening bolt, and through a support bolt, it is convenient to support the horizontal height of the support plate, improving the stability of the horizontal support of the support plate.

[0018] 2. By inserting the fixed rod of the projector into the fixed sleeve, through the cooperation of the clamping block and the clamping ring groove, it is convenient to fix the position of the fixed rod, and then fix the position of the projector. By setting a reset ring and a reset plate, it is convenient to move the position of the clamping block and disassemble the projector, improving the convenience of installation and fixation of the projector.

[0019] 3. By providing support legs on the support base, the support stability of the support base is improved. The rubber pads play a role in shock absorption and support for the support legs and the support base, enhancing the stability of the projector support. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 FIG. is a schematic diagram of the overall structure of an urban construction planning drawing projection display device in the present invention;

[0021] Figure 2 FIG. is a schematic cross-sectional structure diagram of the support base and the support plate in the present invention;

[0022] Figure 3 is Figure 2 a partially enlarged schematic diagram of A in

[0023] Figure 4 FIG. is a schematic cross-sectional structure diagram of the fixing device in the present invention;

[0024] Figure 5 FIG. is a schematic diagram of the structure of the clamping rod, the clamping block and the reset plate in the present invention.

[0025] In the figure: 1, support base; 2, support plate; 3, projector; 4, ball socket; 5, ball head; 6, counterweight rod; 7, counterweight ball; 8, fastening bolt; 9, support bolt; 10, fixed sleeve; 11, fixed rod; 12, clamping rod; 13, clamping block; 14, clamping ring groove; 15, threaded rod; 16, ball; 17, clamping spring; 18, reset plate; 19, reset ring; 20, fixed spring; 21, support leg; 22, rubber pad. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0026] It should be noted that, without conflict, the embodiments in this application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the drawings and in combination with the embodiments.

[0027] It should be pointed out that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by those of ordinary skill in the technical field to which this application belongs.

[0028] In the present invention, unless otherwise stated, the orientations such as "upper, lower" are usually with respect to the directions shown in the drawings, or with respect to the vertical, perpendicular or gravitational directions; similarly, for ease of understanding and description, "left, right" are usually with respect to the left and right shown in the drawings; "inside, outside" refer to the inside and outside relative to the contours of each component itself, but the above orientation terms are not used to limit the present invention.

[0029] Please refer to Figures 1-5, An urban construction planning drawing projection display device, including a support base 1, a support plate 2 is provided on the support base 1, a projector 3 is provided on the support plate 2, a ball socket 4 is provided on the support base 1, a ball head 5 cooperating with the ball socket 4 is arranged at the bottom of the support plate 2, a counterweight rod 6 and a counterweight ball 7 are provided at the bottom of the ball head 5, a plurality of fastening bolts 8 are provided on the ball socket 4, a plurality of support bolts 9 are provided between the support base 1 and the support plate 2, and a fixing device is provided between the support plate 2 and the projector 3. The fixing device includes a fixing sleeve 10, the fixing sleeve 10 is arranged below the support plate 2, a fixing rod 11 is provided on the projector 3, a clamping rod 12 is slidably arranged on the fixing sleeve 10, a clamping block 13 is fixedly arranged on the clamping rod 12, a clamping ring groove 14 cooperating with the clamping block 13 is arranged on the fixing rod 11, a threaded rod 15 is provided on the counterweight rod 6, the threaded rod 15 is threadedly connected with the ball head 5, a plurality of balls 16 are arranged in the ball socket 4, support legs 21 are provided on the support base 1, and rubber pads 22 are sleeved on the support legs 21.

[0030] In this embodiment, during the urban construction planning drawing exchange meeting, the support base 1 is stably supported through the support legs 21 and the rubber pads 22. The counterweight rod 6 is installed on the ball head 5 through the threaded rod 15. Under the action of the gravity of the counterweight ball 7 and the counterweight rod 6, the ball head 5 is driven to rotate in the ball socket 4, so that the support plate 2 is in a horizontal position. The smoothness of the rotation of the ball head 5 is improved through the balls 16. After the horizontal position of the support plate 2 is adjusted, the fastening bolt 8 is rotated to fix the position of the ball head 5. Subsequently, the support bolt 9 is rotated, and the support height of the support bolt 9 is adjusted to horizontally support the support plate 2.

[0031] Please refer to Figures 4-5 , As an implementation manner of the installation device: a clamping spring 17 is provided between the clamping block 13 and the fixing sleeve 10, a reset plate 18 is provided at one end of the clamping rod 12, a reset ring 19 is sleeved outside the fixing sleeve 10, the reset ring 19 is conical, the cross section of the clamping rod 12 is a regular quadrilateral, the upper end surface of the clamping block 13 is inclined, and a fixing spring 20 is provided between the fixing sleeve 10 and the fixing rod 11.

[0032] More specifically, when installing the projector 3 on the support plate 2, insert the fixing rod 11 of the projector 3 into the fixing sleeve 10. The fixing rod 11 squeezes the clamping blocks 13 around, and the clamping blocks 13 drive the clamping rods 12 to move outward and compress the clamping springs 17. When the clamping blocks 13 are aligned with the clamping ring grooves 14, the clamping blocks 13 extend into the clamping ring grooves 14 under the elastic force of the clamping springs 17 to fix the position of the fixing rod 11. By setting the fixing spring 20, there is an upward elastic force on the fixing rod 11 to make the connection between the clamping blocks 13 and the clamping ring grooves 14 stable. Use the projector 3 to project the drawings. When disassembling the projector 3, slide the reset ring 19 upward. The reset ring 19 squeezes the reset plate 18, causing the reset plate 18 to move outward, thereby driving the clamping rods 12 and the clamping blocks 13 to move outward, so that the clamping blocks 13 leave the clamping ring grooves 14, and then the mobile projector 3 can be taken out.

[0033] In summary, when the overall device is in use or operation: When holding a city construction planning drawing exchange meeting, the support seat 1 is stably supported by the support legs 21 and the rubber pads 22. The counterweight rod 6 is installed on the ball head 5 through the threaded rod 15. Under the action of the gravity of the counterweight ball 7 and the counterweight rod 6, the ball head 5 is driven to rotate in the ball socket 4, so that the support plate 2 is in a horizontal position. The smoothness of the rotation of the ball head 5 is improved by the balls 16. After the horizontal position of the support plate 2 is adjusted, rotate the fastening bolt 8 to fix the position of the ball head 5. Then rotate the support bolt 9. By adjusting the support height of the support bolt 9, the support plate 2 is horizontally supported.

[0034] When installing the projector 3 on the support plate 2, insert the fixing rod 11 of the projector 3 into the fixing sleeve 10. The fixing rod 11 squeezes the clamping blocks 13 around, and the clamping blocks 13 drive the clamping rods 12 to move outward and compress the clamping springs 17. When the clamping blocks 13 are aligned with the clamping ring grooves 14, the clamping blocks 13 extend into the clamping ring grooves 14 under the elastic force of the clamping springs 17 to fix the position of the fixing rod 11. By setting the fixing spring 20, there is an upward elastic force on the fixing rod 11 to make the connection between the clamping blocks 13 and the clamping ring grooves 14 stable. Use the projector 3 to project the drawings. When disassembling the projector 3, slide the reset ring 19 upward. The reset ring 19 squeezes the reset plate 18, causing the reset plate 18 to move outward, thereby driving the clamping rods 12 and the clamping blocks 13 to move outward, so that the clamping blocks 13 leave the clamping ring grooves 14, and then the mobile projector 3 can be taken out.

[0035] Among all the solutions mentioned above, for those involving the connection between two components, welding, connection with bolts and nuts, connection with bolts or screws, or other well-known connection methods can be selected according to the actual situation, which will not be elaborated one by one here. For those involving fixed connection mentioned above, welding is preferably considered. Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A projection display device for urban planning drawings, comprising a support base (1), characterized in that: The support seat (1) is provided with a support plate (2), the support plate (2) is provided with a projector (3), the support seat (1) is provided with a ball sleeve (4), the bottom of the support plate (2) is provided with a ball head (5) matched with the ball sleeve (4), the bottom of the ball head (5) is provided with a counterweight rod (6) and a counterweight ball (7), the ball sleeve (4) is provided with a plurality of fastening bolts (8), a plurality of support bolts (9) are provided between the support seat (1) and the support plate (2), and the A fixing device is provided between the support plate (2) and the projector (3), the fixing device comprising a fixing sleeve (10), the fixing sleeve (10) being arranged below the support plate (2), the projector (3) being provided with a fixing rod (11), the fixing sleeve (10) being slidably provided with a clamping rod (12), the clamping rod (12) being fixedly provided with a clamping block (13), and the fixing rod (11) being provided with a clamping ring groove (14) cooperating with the clamping block (13).

2. The urban planning drawing projection display device according to claim 1 is characterized in that: The counterweight rod (6) is provided with a threaded rod (15), and the threaded rod (15) is threadedly connected to the ball head (5).

3. The urban planning drawing projection display device according to claim 1 is characterized in that: A plurality of rolling balls (16) are arranged in the ball sleeve (4).

4. The urban planning drawing projection display device according to claim 1 is characterized in that: A clamping spring (17) is provided between the clamping block (13) and the fixing sleeve (10).

5. The urban planning drawing projection display device according to claim 4 is characterized in that: A reset plate (18) is provided at one end of the clamping rod (12), and a reset ring (19) is sleeved on the outer side of the fixing sleeve (10), wherein the reset ring (19) is conical.

6. The urban planning drawing projection display device according to claim 5 is characterized in that: The cross section of the clamping rod (12) is a regular quadrilateral, and the upper end surface of the clamping block (13) is inclined.

7. The urban planning drawing projection display device according to claim 1 is characterized in that: A fixing spring (20) is provided between the fixing sleeve (10) and the fixing rod (11).

8. The urban planning drawing projection display device according to claim 1 is characterized in that: The support seat (1) is provided with a support leg (21), and the support leg (21) is sleeved with a rubber pad (22).

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