Drawing cutting device

Abstract

The utility model relates to a drawing cutting device which comprises a round base and a hollow storage frame, the round base and the hollow storage frame are connected through an adjusting mechanism, the inner wall of the hollow storage frame is connected with a second extension plate in a sliding mode, and the second extension plate is connected with the hollow storage frame through a lifting mechanism. Second limiting sliding grooves are formed in the two side faces of the hollow storage frame correspondingly, second limiting sliding blocks fixedly connected with the second extension plate are slidably connected to the inner walls of the second limiting sliding grooves, a cutting blade is arranged at the lower end of the second extension plate, a pulling through groove is formed in the lower portion of the surface of the second extension plate, and two pulling frames are slidably connected to the inner wall of the pulling through groove. And two limiting grooves are formed in each of the upper surface and the lower surface of the interior of the pulling through groove. According to the drawing cutting device, a user can conveniently and rapidly replace the cutting blade which is bent or not sharp in the follow-up process, and the drawing cutting device is practical.

Description

TECHNICAL FIELD

[0001] The utility model relates to engineering cost technical field especially, and relates to a drawing intercepting device. BACKGROUND

[0002] Engineering cost refers to the process of forecasting, calculating, controlling and managing all the costs needed in the whole life cycle of the project. Drawings are used in engineering cost, and sometimes important parts on the drawings need to be intercepted.

[0003] The patent file with the published publication number CN221391259U discloses an adjustable drawing intercepting device for engineering cost, relating to the technical field of engineering cost. The adjustable drawing intercepting device for engineering cost includes a base, a rotating shaft is connected to the surface of the base, and an adjusting assembly is arranged at the top end of the rotating shaft.

[0004] However, the above-mentioned prior art still has some shortcomings. The cutting blade and the T-shaped block in the above-mentioned prior art are fixedly connected and cannot be disassembled. When the cutting blade is bent or not sharp after long-term use, it will affect the effect of the device on intercepting the drawings and the flatness of the intercepted surface. Therefore, we propose a drawing intercepting device. UTILITY MODEL CONTENT

[0005] The utility model provides a drawing intercepting device, which solves the technical problems raised in the background art of the prior art.

[0006] The utility model solves the above technical problem by the following scheme: a circular base and a hollow receiving frame are connected through an adjusting mechanism, an extension plate two is slidably connected to the inner wall of the hollow receiving frame, the extension plate two is connected to the hollow receiving frame through a lifting mechanism, limit sliding grooves two are formed in the two side surfaces of the hollow receiving frame, limit sliding blocks two fixedly connected to the extension plate two are slidably connected to the inner wall of the limit sliding grooves two, a cutting blade is arranged at the lower end of the extension plate two, a pulling groove is formed below the surface of the extension plate two, two pull frames are slidably connected to the inner wall of the pulling groove, limit blocks fixedly connected to the corresponding pull frames are slidably connected to the inner wall of the limit recesses, a limit rod is fixedly connected to the inner wall of each limit recess, the limit rod penetrates through the corresponding limit block and is slidably connected to the penetration part, a spring with two ends fixedly connected to the corresponding limit block and limit recess is sleeved on the surface of each limit rod, two sockets communicating with the pulling groove are formed in the lower end surface of the extension plate two, a disassembly plug plate is slidably connected to the inner wall of the socket, the lower end of the disassembly plug plate is fixedly connected to the cutting blade, a positioning groove is formed in one side surface of the disassembly plug plate, and a positioning plate fixedly connected to the corresponding pull frame is slidably connected to the inner wall of the positioning groove.

[0007] On the basis of the above technical solutions, the utility model further can make improvement as follows.

[0008] Further, the lower end surface of the circular base is fixedly connected with an antiskid pad, and the lifting mechanism comprises a threaded groove formed in the inside of the elongated plate II.

[0009] Further, the inside of the threaded groove is threadedly connected with a threaded rod, the threaded rod penetrates through the hollow receiving frame and is rotatably connected with the penetration part through a bearing, and the upper end of the threaded rod is fixedly connected with a cross-shaped handle II.

[0010] Further, the adjusting mechanism comprises a rotating column rotatably connected with the circular base through a bearing at the lower end, the upper end of the rotating column is fixedly connected with a supporting plate, and the upper end surface of the supporting plate is formed with a sliding groove.

[0011] Further, the inside of the sliding groove is slidably connected with an elongated plate I, one end of the elongated plate I is fixedly connected with the surface of the hollow receiving frame, and the inside of the sliding groove is formed with a limiting sliding groove I at the two sides.

[0012] Further, the inside of the limiting sliding groove I is slidably connected with a limiting sliding block I fixedly connected with the elongated plate I, the surface of the elongated plate I is formed with a threaded hole, the inside of the threaded hole is threadedly connected with a fastening screw rod, and the upper end of the fastening screw rod is fixedly connected with a cross-shaped handle I.

[0013] The utility model discloses a drawing intercepting device, which has the following advantages:

[0014] Through the cooperation between the elongated plate II, the cutting blade, the detachable plug-in plate, the positioning plate, the pull frame, the pulling through groove, the limiting recess, the limiting block, the limiting rod, the spring, the positioning groove and the socket, the user can quickly replace the cutting blade that is bent or not sharp, thereby improving the practicability.

[0015] The above description is only a summary of the technical scheme of the utility model, in order to more clearly understand the technical means of the utility model, and can be implemented according to the content of the specification, the following detailed description of the preferred embodiments of the utility model and the accompanying drawings as follows. The specific implementation of the utility model is given in detail by the following examples and their accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the utility model, constitute a part of this application, and the illustrative embodiments of the utility model and their description are used to explain the utility model, and do not constitute improper limitation on the utility model. In the drawings:

[0017] Figure 1The structure schematic view of a drawing intercepting device provided by the embodiment of the utility model;

[0018] Figure 2 The utility model provides a structure schematic view of a drawing intercepting device provided by the embodiment of the utility model; Figure 1 The utility model provides a structure schematic view of a drawing intercepting device provided by the embodiment of the utility model;

[0019] Figure 3 The utility model provides a structure schematic view of a drawing intercepting device provided by the embodiment of the utility model; Figure 2 The utility model provides a structure schematic view of a drawing intercepting device provided by the embodiment of the utility model;

[0020] Figure 4 The utility model provides a structure schematic view of a drawing intercepting device provided by the embodiment of the utility model; Figure 1 The utility model provides a structure schematic view of a drawing intercepting device provided by the embodiment of the utility model;

[0021] Figure 5 The utility model provides a structure schematic view of a drawing intercepting device provided by the embodiment of the utility model; Figure 4 The utility model provides a structure schematic view of a drawing intercepting device provided by the embodiment of the utility model;

[0022] Figure 6 The utility model provides a structure schematic view of a drawing intercepting device provided by the embodiment of the utility model; Figure 5 The utility model provides a structure schematic view of a drawing intercepting device provided by the embodiment of the utility model.

[0023] In the drawing, the component list represented by each sign is as follows:

[0024] 1, circular base; 2, support plate; 3, rotating column; 4, cross-shaped handle one; 5, fastening screw; 6, elongated plate one; 7, hollow receiving frame; 8, elongated plate two; 9, cutting blade; 10, cross-shaped handle two; 11, threaded rod; 12, sliding groove; 13, limit sliding groove one; 14, limit sliding block one; 15, threaded hole; 16, dismounting plugboard; 17, positioning plate; 18, pull frame; 19, pull-through slot; 20, limit sliding groove two; 21, limit sliding block two; 22, threaded groove; 23, limit recess; 24, limit block; 25, limit rod; 26, spring; 27, positioning groove; 28, socket. DETAILED DESCRIPTION

[0025] The following combines the drawings Figures 1-6 The principle and characteristics of the utility model are described, and the examples are only used for explaining the utility model and are not used for limiting the scope of the utility model. In the following paragraphs, the utility model is described in a more specific manner with reference to the drawings. According to the following description and claims, the advantages and characteristics of the utility model will be more apparent. It should be noted that the drawings are in a very simplified form and all use non-precise proportions, only for the purpose of conveniently and clearly assisting the description of the utility model embodiments.

[0026] It should be noted that when a component is described as "fixed to" another component, it can be directly on the other component or may have a component in between. When a component is considered "connected to" another component, it can be directly connected to the other component or may have a component in between. When a component is considered "set on" another component, it can be directly set on the other component or may have a component in between. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0027] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0028] like Figures 1-6 As shown, this utility model provides a drawing cutting device, including a circular base 1 and a hollow storage frame 7. The circular base 1 and the hollow storage frame 7 are connected by an adjustment mechanism. An extension plate 8 is slidably connected to the inner wall of the hollow storage frame 7. The extension plate 8 is connected to the hollow storage frame 7 by a lifting mechanism. Limiting grooves 20 are provided on both sides of the hollow storage frame 7. Limiting sliders 21, which are fixedly connected to the extension plate 8, are slidably connected to the inner wall of the limiting grooves 20. A cutting blade 9 is provided at the lower end of the extension plate 8. A pulling groove 19 is provided below the surface of the extension plate 8. Two pulling frames 18 are slidably connected to the inner wall of the pulling groove 19. Two limiting grooves 23 are provided on both the upper and lower surfaces of the pulling groove 19. The inner wall of the groove 23 is slidably connected to a limiting block 24 that is fixedly connected to the corresponding pull frame 18. The inner wall of each limiting groove 23 is fixedly connected to a limiting rod 25. The limiting rod 25 passes through the corresponding limiting block 24 and is slidably connected to the through part. The surface of each limiting rod 25 is fitted with a spring 26 at both ends that are fixedly connected to the corresponding limiting block 24 and the limiting groove 23 respectively. The lower end face of the extension plate 28 has two insertion ports 28 that are both connected to the pull through groove 19. The inner wall of the insertion port 28 is slidably connected to a disassembly plate 16. The lower end of the disassembly plate 16 is fixedly connected to the cutting blade 9. One side of the disassembly plate 16 has a positioning groove 27. The inner wall of the positioning groove 27 is slidably connected to a positioning plate 17 that is fixedly connected to the corresponding pull frame 18.

[0029] Preferably, an anti-slip pad is fixedly connected to the lower end face of the circular base 1, and the lifting mechanism includes a threaded groove 22 opened inside the extension plate 8. The anti-slip pad can improve the anti-slip performance of the circular base 1 when it is placed.

[0030] Preferably, the internal thread of the thread groove 22 is threadedly connected with a threaded rod 11, the threaded rod 11 penetrates through the hollow receiving frame 7 and is rotationally connected with the penetration position through a bearing, and the upper end of the threaded rod 11 is fixedly connected with a cross-shaped handle 10, and the cross-shaped handle 10 is arranged to facilitate the rotation of the threaded rod 11.

[0031] Preferably, the adjusting mechanism comprises a rotating column 3 rotationally connected with the circular base 1 through a bearing at the lower end, the upper end of the rotating column 3 is fixedly connected with a supporting plate 2, and the upper end surface of the supporting plate 2 is provided with a sliding groove 12.

[0032] Preferably, the inner wall of the sliding groove 12 is slidably connected with an elongated plate 1, one end of the elongated plate 1 is fixedly connected with the surface of the hollow receiving frame 7, both sides of the inner wall of the sliding groove 12 are provided with limiting sliding grooves 13, and the limiting sliding grooves 13 are matched with limiting sliding blocks 14, so that the elongated plate 1 is limitedly slid on the inner wall of the sliding groove 12.

[0033] Preferably, the inner wall of the limiting sliding groove 13 is slidably connected with the limiting sliding block 14 fixedly connected with the elongated plate 1, the surface of the elongated plate 1 is provided with a threaded hole 15, the threaded hole 15 is threadedly connected with a fastening screw 5, the upper end of the fastening screw 5 is fixedly connected with a cross-shaped handle 4, and the fastening screw is arranged to abut against the inner lower end surface of the sliding groove 12, so that the elongated plate 1 is limitedly connected with the sliding groove 12.

[0034] The specific working principle and use method of the utility model are as follows:

[0035] The utility model provides a kind of drawing intercepting device, when using, it is placed on the surface of drawing with circular base 1, and is moved to the center of the area that needs to be intercepted, fixed to drawing, by cross-shaped handle one 4 loosens fastening screw 5, removes the fixed effect to elongated plate one 6, moves elongated plate one 6, the distance between cutting blade 9 and rotating column 3 is adjusted, to control the size of intercepting range, after length adjustment, elongated plate one 6 is fixed by fastening screw 5, prevent elongated plate one 6 position from moving;By rotating cross-shaped handle two 10 makes screw rod 11 under the action of thread groove 22 makes elongated plate two 8 drive cutting blade 9 to descend, make cutting blade 9 and the surface of drawing closely adhere together, under the action of rotating column 3 makes cutting blade 9 carry out circumferential rotation, to intercept part of area of drawing, after intercepting, by reversing cross-shaped handle two 10 makes screw rod 11 under the action of thread groove 22 makes elongated plate two 8 drive cutting blade 9 to rise, cutting blade 9 is retracted into the inside of hollow storage frame 7, improve the security of paper intercepting device;When subsequent cutting blade 9 needs to be replaced, elongated plate two 8 drive cutting blade 9 slide out hollow storage frame 7 by above-mentioned steps, then by thumb and forefinger of one hand respectively placed in two pull frames 18, make two pull frames 18 carry out mutual pulling, make pull frame 18 slide in limiting recess 23 under the action of limiting block 24 and limiting rod 25, to make spring 26 compression, and pull frame 18 will make positioning plate 17 separate from positioning groove 27 when moving, remove the limiting effect to dismounting plug-in board 16, then another hand pulls cutting blade 9 can make cutting blade 9 drive dismounting plug-in board 16 slide out from socket 28, can cutting blade 9 is disassembled, when installing, two dismounting plug-in board 16 on cutting blade 9 are respectively inserted in the inside of corresponding socket 28, then release pull frame 18, make pull frame 18 drive positioning plate 17 reverse sliding under the action of reset force of spring 26, make positioning plate 17 slide in positioning groove 27, can complete the installation of cutting blade 9.

[0036] The above is only the preferred embodiment of the utility model, and does not limit the utility model in any form; ordinary technical personnel in this industry can implement the utility model according to the drawings and the above description; however, the equivalent changes, such as some changes, modifications and evolution, made by the technical personnel familiar with the profession within the scope of the technical scheme of the utility model, using the disclosed technical content, are equivalent embodiments of the utility model; meanwhile, any equivalent change, modification and evolution of the above embodiment according to the essential technology of the utility model are still within the protection scope of the technical scheme of the utility model.

Claims

1. A drawing sheet cutting device comprising a circular base (1) and a hollow receiving frame (7), characterized in that, The circular base (1) and the hollow receiving frame (7) are connected through an adjusting mechanism, the inner wall of the hollow receiving frame (7) is slidably connected with an elongated plate two (8), the elongated plate two (8) is connected with the hollow receiving frame (7) through a lifting mechanism, the two side faces of the hollow receiving frame (7) are both provided with a limiting sliding groove two (20), the inner wall of the limiting sliding groove two (20) is slidably connected with a limiting sliding block two (21) fixedly connected with the elongated plate two (8), the lower end of the elongated plate two (8) is provided with a cutting blade (9), the surface of the elongated plate two (8) is provided with a pulling through groove (19) below, the inner wall of the pulling through groove (19) is slidably connected with two pull frames (18), the inner wall of the pulling through groove (19) is provided with two limiting grooves (23) on the upper and lower faces, the inner wall of the limiting grooves (23) is slidably connected with limiting blocks (24) fixedly connected with the corresponding pull frames (18), the inner wall of each limiting groove (23) is fixedly connected with a limiting rod (25), the limiting rod (25) penetrates through the corresponding limiting block (24) and is slidably connected with the penetrating part, the surface of each limiting rod (25) is sleeved with springs (26) with two ends fixedly connected with the corresponding limiting block (24) and limiting groove (23), the lower end face of the elongated plate two (8) is provided with two sockets (28) in communication with the pulling through groove (19), the inner wall of the socket (28) is slidably connected with a dismounting plug-in plate (16), the lower end of the dismounting plug-in plate (16) is fixedly connected with the cutting blade (9), one side face of the dismounting plug-in plate (16) is provided with a positioning groove (27), the inner wall of the positioning groove (27) is slidably connected with a positioning plate (17) fixedly connected with the corresponding pull frame (18).

2. The apparatus of claim 1 wherein, The lower end face of the circular base (1) is fixedly connected with an antiskid pad, the lifting mechanism comprises a threaded groove (22) formed in the interior of the elongated plate two (8).

3. The apparatus of claim 2 wherein: The interior of the threaded groove (22) is threadedly connected with a threaded rod (11), the threaded rod (11) penetrates through the hollow receiving frame (7) and is rotatably connected with the penetrating part through a bearing, the upper end of the threaded rod (11) is fixedly connected with a cross-shaped handle two (10).

4. The apparatus of claim 1 wherein: The adjusting mechanism comprises a rotating column (3) rotatably connected with the circular base (1) through a bearing, the upper end of the rotating column (3) is fixedly connected with a supporting plate (2), the upper end face of the supporting plate (2) is provided with a sliding groove (12).

5. The apparatus of claim 4 wherein: The inner wall of the sliding groove (12) is slidably connected with an elongated plate one (6), one end of the elongated plate one (6) is fixedly connected with the surface of the hollow receiving frame (7), the interior of the sliding groove (12) is provided with a limiting sliding groove one (13) on each side face.

6. The apparatus of claim 5 wherein: The inner wall of the limiting sliding groove one (13) is slidably connected with a limiting sliding block one (14) fixedly connected with the elongated plate one (6), the surface of the elongated plate one (6) is provided with a threaded hole (15), the interior of the threaded hole (15) is threadedly connected with a fastening screw rod (5), the upper end of the fastening screw rod (5) is fixedly connected with a cross-shaped handle one (4).

Images