Design drawing spreading limiting device

Abstract

The utility model provides a design drawing spreading limiting device, and belongs to the technical field of display devices. Comprising a display stand and locking mechanisms, the locking mechanisms are symmetrically distributed on the two sides of the display stand, and a storage box is arranged on the upper surface of the display stand; the locking mechanism comprises a supporting column, a clamping block, a moving block, a supporting block and an adjusting wheel, the supporting column is horizontally arranged and fixedly connected with the side wall of the display stand, a moving groove is horizontally formed in the upper surface of the supporting column, the moving block is embedded in the moving groove in a sliding mode, and multiple sets of moving blocks are distributed in the moving groove at intervals; screw rods penetrate through the multiple sets of moving blocks, and the adjusting wheels are installed on the side edges of the supporting blocks and fixed to the screw rods; rubber heads are arranged on the faces, facing the display stand, of the clamping blocks. According to the drawing clamping device, multi-point clamping can be conducted through one-step operation, the working steps are simple, and drawing clamping is convenient and fast.

Description

Technical Field

[0001] The utility model relates to the technical field of display devices, in particular to a design drawing spreading and limiting device. Background Art

[0002] Urban planning is a comprehensive deployment to regulate urban development and construction, study the future development of the city, the reasonable layout of the city and the comprehensive arrangement of various urban engineering construction projects. It is a blueprint for urban development in a certain period and an important part of urban management. With the continuous acceleration of urbanization, the demand for urban layout design is also increasing. The completed layout drawings need to be displayed and discussed. At this time, display devices are needed to support the drawings. Since the urban planning layout contains a lot of content, for the structure and space planning projects of the city, the drawings need to be constantly replaced during the display process. The current display device is to fix the drawings after spreading them out. Due to the large size of the drawings, multiple points of the paper need to be fixed simultaneously when fixing them. It is often necessary to repeatedly disassemble and assemble the fixing mechanism, which affects the display efficiency and the work steps are cumbersome. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a design drawing spreading limit device to solve the problem that the existing display device is to fix the drawings after spreading them, and because the drawings are large in size, multiple points of the paper need to be fixed synchronously when fixing them, and the fixing mechanism often needs to be disassembled and assembled repeatedly, which affects the display efficiency.

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0005] A design drawing spreading and limiting device comprises a display stand and a locking mechanism, wherein the locking mechanism is symmetrically distributed on both sides of the display stand, and a storage box is provided on the upper surface of the display stand; the locking mechanism comprises a support column, a clamping block, a moving block, a support block and an adjusting wheel, wherein the support column is horizontally arranged and fixedly connected to the side wall of the display stand, and a moving groove is horizontally opened on the upper surface of the support column, and the moving block is slidably embedded in the moving groove, and the moving blocks are distributed in multiple groups at intervals in the moving groove, and screws are passed through between the multiple groups of moving blocks, and the adjusting wheel is installed on the side of the support block and fixed with the screws; a rubber head is provided on the surface of the clamping block facing the display stand, and multi-point clamping can be performed in one step, the working steps are simple, and the clamping of drawings is convenient

[0006] Optionally, a connecting rod is fixedly connected to a side of the clamping block away from the display stand, the connecting rod is horizontally arranged, and a lifting ring is fixedly connected to one end of the connecting rod away from the clamping block.

[0007] Optionally, the central portion of the lifting ring is hollowed out and fixedly connected with a contact ring, and the contact ring is cocentrically distributed with the lifting ring.

[0008] Optionally, a vertical pole passes through the interior of the lifting ring, and the contact ring extends into the interior of the vertical pole.

[0009] Optionally, a lifting groove for the contact ring to pass through is vertically opened on the outer wall of the lifting ring, and a slider is connected between the inner wall of the lifting ring and the outer wall of the contact ring, and the slider is slidably installed in the lifting groove.

[0010] Optionally, the bottom of the vertical pole is fixedly connected to the moving block, and an inner pole is vertically fixedly installed inside the vertical pole.

[0011] Optionally, a spring is sleeved on the outside of the inner rod, the bottom of the spring is fixedly connected to the inner wall of the vertical rod, and the top is connected to the bottom end surface of the contact ring.

[0012] Optionally, a side rod is fixedly connected to a side of the lifting ring away from the connecting rod, and the side rod is an L-shaped structure.

[0013] Optionally, a pulley is installed at one end of the side rod away from the lifting ring.

[0014] Optionally, a support block is provided on the upper surface of the support column corresponding to the moving block, and the support block is a trapezoidal structure, and the inclined surface corresponds to a pulley for sliding.

[0015] Compared with the prior art, the utility model has at least the following beneficial effects:

[0016] In the above scheme, thanks to the two sets of symmetrically arranged locking mechanisms, the sides of the spread-out drawings can be clamped so that the drawings can be displayed stably. The spaced clamping blocks are driven by the moving blocks to move synchronously. During the movement, the clamping blocks are lifted by the cooperation of the pulleys and the support blocks. When the drawings are placed, the moving blocks move in the opposite direction to drive multiple sets of clamping blocks to move synchronously toward the drawings and clamp the drawings. Multi-point clamping can be performed in one step, the working steps are simple, and the clamping of the drawings is convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings, which are incorporated herein and constitute part of the specification, illustrate embodiments of the present invention and, together with the description, further serve to explain the principles of the present invention and enable those skilled in the relevant art to make and use the present invention.

[0018] Figure 1 The schematic diagram of the three-dimensional structure of the limit device is shown in the design drawing;

[0019] Figure 2 It is a schematic diagram of the three-dimensional structure of the locking mechanism;

[0020] Figure 3 It is a structural schematic diagram of the lifting ring and the upright pole being separated;

[0021] Figure 4 This is the front view of the pole.

[0022] [Reference Signs]

[0023] 1. Display stand; 2. Locking mechanism; 3. Storage box; 4. Adjusting wheel; 5. Support column; 6. Moving block; 7. Clamping block; 8. Connecting rod; 9. Lifting ring; 10. Support block; 11. Vertical pole; 12. Inner rod; 13. Contact ring; 14. Side rod; 15. Pulley; 16. Lifting slot; 17. Spring.

[0024] As shown in the figure, in order to clearly implement the structure of the embodiment of the utility model, specific structures and devices are marked in the figure, but this is only for illustrative purposes and is not intended to limit the utility model to the specific structure, device and environment. According to specific needs, ordinary technicians in this field can adjust or modify these devices and environments. DETAILED DESCRIPTION

[0025] The following is a detailed description of a design drawing spreading limit device provided by the utility model in combination with the accompanying drawings and specific embodiments. At the same time, it is explained here that in order to make the embodiments more detailed, the following embodiments are the best and preferred embodiments, and those skilled in the art may also adopt other alternative methods to implement some known technologies; and the accompanying drawings are only for more specific description of the embodiments, and are not intended to specifically limit the utility model.

[0026] It should be noted that the references to "one embodiment", "embodiment", "exemplary embodiment", "some embodiments" and the like in the specification indicate that the embodiments described may include specific features, structures or characteristics, but not every embodiment may include the specific features, structures or characteristics. In addition, when describing specific features, structures or characteristics in conjunction with an embodiment, it should be within the knowledge of technicians in the relevant field whether or not such features, structures or characteristics are explicitly described in conjunction with other embodiments.

[0027] In general, a term can be understood, at least in part, from its use in context. For example, depending, at least in part, on the context, the term "one or more" as used herein can be used to describe any feature, structure, or characteristic in the singular sense, or can be used to describe a combination of features, structures, or characteristics in the plural sense. Additionally, the term "based on" can be understood as not necessarily intended to convey an exclusive set of factors, but can instead, depending, at least in part, on the context, allow for the presence of other factors that are not necessarily explicitly described.

[0028] It is to be understood that the meanings of “on,” “over,” and “above” in the present invention should be interpreted in the broadest manner, so that “on” not only means “directly on” something, but also includes the meaning of being “on” something with intervening features or layers, and “on” or “above” not only means “on” or “above” something, but also includes the meaning of being “on” or “above” something with no intervening features or layers.

[0029] Additionally, spatially relative terms such as "under," "beneath," "lower," "above," "upper," and the like may be used herein for descriptive convenience to describe the relationship of one element or feature to another element or features, as shown in the accompanying drawings. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the accompanying drawings. The device may be oriented in other ways, and the spatially relative descriptors used herein may be similarly interpreted accordingly.

[0030] like Figure 1 and Figure 2 As shown, the embodiment of the utility model provides a design drawing spreading and limiting device, comprising a display stand 1 and a locking mechanism 2, wherein the locking mechanism 2 is symmetrically distributed on both sides of the display stand 1, and a storage box 3 is provided on the upper surface of the display stand 1;

[0031] like Figure 2 and Figure 3As shown, the locking mechanism 2 includes a support column 5, a clamping block 7, a moving block 6, a support block 10 and an adjusting wheel 4. The support column 5 is horizontally arranged and fixedly connected to the side wall of the display stand 1. A moving groove is horizontally opened on the upper surface of the support column 5. The moving block 6 is slidably embedded in the moving groove. There are multiple groups of moving blocks 6 spaced apart in the moving groove, and screws are passed through the multiple groups of moving blocks 6. The adjusting wheel 4 is installed on the side of the support block 10 and fixed with the screws; the surface of the clamping block 7 facing the display stand 1 is provided with a rubber head. A connecting rod 8 is fixedly connected to the side of the clamping block 7 away from the display stand 1. The connecting rod 8 is horizontally arranged, and a lifting ring 9 is fixedly connected to the end away from the clamping block 7. The central part of the lifting ring 9 is hollowed out and fixedly connected to a contact ring 13. The contact ring 13 is coaxially distributed with the lifting ring 9. The interior of the lifting ring 9 passes through a vertical pole 11, and the contact ring 13 extends into the interior of the vertical pole 11. A lifting groove 16 is vertically provided on the outer wall of the lifting ring 9 for the contact ring 13 to pass through, and a slider is connected between the inner wall of the lifting ring 9 and the outer wall of the contact ring 13, and the slider is slidably installed in the lifting groove 16. The bottom of the vertical rod 11 is fixedly connected to the moving block 6, and the inner rod 12 is vertically fixedly installed inside the vertical rod 11. The side of the lifting ring 9 away from the connecting rod 8 is fixedly connected to the side rod 14, and the side rod 14 is an L-shaped structure. A pulley 15 is installed at the end of the side rod 14 away from the lifting ring 9. A support block 10 is provided on the upper surface of the support column 5 corresponding to the moving block 6. The support block 10 is a trapezoidal structure, and the inclined surface corresponds to the pulley 15 for its sliding.

[0032] like Figure 4 As shown, a spring 17 is sleeved on the outside of the inner rod 12 , the bottom of the spring 17 is fixedly connected to the inner wall of the vertical rod 11 , and the top is connected to the bottom end surface of the contact ring 13 .

[0033] The working principle provided by the utility model is that when in use, the planning and design drawings to be displayed are first unfolded on the upper surface of the display stand 1, and then the adjusting wheels 4 on both sides are rotated respectively, and the adjusting wheels 4 drive the screws to rotate, and the moving blocks 6 connected to the screw threads slide horizontally along the support column 5, and then the vertical rod 11 drives the side rod 14 to move synchronously, and the pulley 15 on the side rod 14 slides along the upper surface of the support column 5 toward the support block 10, and the upper surface of the support block 10 is set as an inclined surface. With the continuous sliding of the pulley 15, the lifting ring 9 is forced to slide up along the vertical rod 11, and the contact ring 13 Move up along the inner rod 12, and then the spring 17 is stretched, and the lifting ring 9 rises to drive the clamping block 7 to leave the surface of the display stand 1, and then the side of the drawing can be inserted between the clamping block 7 and the display stand 1. After the adjustment head rotates, multiple groups of support blocks 10 distributed at intervals along the support column 5 rise synchronously. When the drawing is placed, the adjustment head is rotated in the opposite direction, and then the pulley 15 moves down between the support blocks 10, the spring 17 gradually shrinks, the contact ring 13 is pulled down along the inner rod 12, and the lifting ring 9 is also forced to move vertically downward along the vertical rod 11, and the clamping block 7 clamps the side of the drawing. The utility model covers any substitution, modification, equivalent method and scheme made on the essence and scope of the utility model. In order to make the public have a thorough understanding of the utility model, the specific details are described in detail in the following preferred embodiments of the utility model, and the technical personnel in the field can fully understand the utility model without the description of these details. In addition, in order to avoid unnecessary confusion about the essence of the utility model, well-known methods, processes, processes, components and circuits are not described in detail.

[0034] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A design drawing spreading and limiting device, characterized in that: It includes a display stand and a locking mechanism, wherein the locking mechanisms are symmetrically distributed on both sides of the display stand, and a storage box is provided on the upper surface of the display stand; The locking mechanism includes a support column, a clamping block, a moving block, a support block and an adjusting wheel. The support column is horizontally arranged and fixedly connected to the side wall of the display stand. A moving groove is horizontally opened on the upper surface of the support column. The moving block is slidably embedded in the moving groove. There are multiple groups of moving blocks spaced apart in the moving groove, and screws are inserted between the multiple groups of moving blocks. The adjusting wheel is installed on the side of the support block and fixed to the screw. The surface of the clamping block facing the display stand is provided with a rubber head.

2. The design drawing spreading and limiting device according to claim 1 is characterized in that: A connecting rod is fixedly connected to one side of the clamping block away from the display stand. The connecting rod is horizontally arranged, and a lifting ring is fixedly connected to one end of the connecting rod away from the clamping block.

3. The design drawing spreading and limiting device according to claim 2 is characterized in that: The central part of the lifting ring is hollowed out and fixedly connected with a contact ring, and the contact ring is cocentrically distributed with the lifting ring.

4. The design drawing spreading and limiting device according to claim 3 is characterized in that: A vertical pole passes through the interior of the lifting ring, and the contact ring extends into the interior of the vertical pole.

5. The design drawing spreading and limiting device according to claim 4 is characterized in that: A lifting groove for the contact ring to pass through is vertically opened on the outer wall of the lifting ring, and a sliding block is connected between the inner wall of the lifting ring and the outer wall of the contact ring, and the sliding block is slidably installed in the lifting groove.

6. The design drawing spreading and limiting device according to claim 5, characterized in that: The bottom of the vertical pole is fixedly connected to the moving block, and an inner pole is vertically fixedly installed inside the vertical pole.

7. The design drawing spreading and limiting device according to claim 6, characterized in that: A spring is sleeved on the outside of the inner rod, the bottom of the spring is fixedly connected to the inner wall of the vertical rod, and the top is connected to the bottom end surface of the contact ring.

8. The design drawing spreading and limiting device according to claim 2, characterized in that: A side rod is fixedly connected to a side of the lifting ring away from the connecting rod, and the side rod is an L-shaped structure.

9. The design drawing spreading and limiting device according to claim 8, characterized in that: A pulley is installed at one end of the side rod away from the lifting ring.

10. The design drawing spreading and limiting device according to claim 9, characterized in that: A support block is provided on the upper surface of the support column corresponding to the moving block. The support block is a trapezoidal structure, and the inclined surface thereof corresponds to the pulley for sliding.

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