Portable measuring device
By designing a portable measuring device, the coordinated work of circular discs, connecting rods, pressing parts and other components is solved, and the problems of marking errors and usage limitations in engineering cost are achieved, achieving higher measurement accuracy and practicality.
Patent Information
- Application Number
- CN202421136472.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-23
- Publication Date
- 2025-02-14
- Estimated Expiration
- 2034-05-23
AI Technical Summary
In the field of engineering cost, existing marking methods are prone to errors, and have great limitations in use, making it difficult to achieve accurate measurement and marking.
A portable measuring device is designed, including a circular disc, a connecting rod, a pressing member, a mounting box, a limit bar, a moving member, a rotating rod and a marking pen. Through the coordinated work of these components, precise marking of the measuring point is achieved.
By reducing the error of manual operation, the device improves the accuracy and practicality of measurement and marking, reduces the error of marking, and enhances the reliability of engineering cost measurement.
Smart Images
Figure CN222481490U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of engineering cost, and more specifically, particularly relates to a portable measuring device. Background Art
[0002] Project cost refers to the estimated or actual construction expenses of a project during the construction period. The process of forecasting, planning, controlling, calculating, analyzing and evaluating project cost by comprehensively applying knowledge and skills in management, economics and engineering technology is called project cost management.
[0003] Based on the above, the inventors have discovered the following problems: In the field of engineering cost, it is often necessary to carry a measuring device into the construction site for on-site measurement to price subsequent projects. After the measurement, it is sometimes necessary to mark the measurement site. The general marking method is to manually mark the scale lines of a ruler with a handheld marker or chalk. This marking method is prone to errors and has certain limitations in use.
[0004] Therefore, in view of this, the existing structure and defects are studied and improved, and a portable measuring device is provided to achieve the purpose of having more practical value. Utility Model Content
[0005] In order to solve the above technical problems, the utility model provides a portable measuring device to solve the problem that the current marking method is prone to errors.
[0006] The purpose and effect of the portable measuring device of the utility model are achieved by the following specific technical means:
[0007] A portable measuring device comprises a circular disk, wherein a pressing piece is connected to the middle of the circular disk via a connecting rod, an installation box is installed on the inner side of the circular disk at the lower end of the pressing piece, a limiting strip is installed on the inner side of the installation box, a moving piece is movably installed inside the installation box, a rotating rod is arranged through the inside of the moving piece, threads are provided at both ends of the rotating rod, the threads are in two groups, which are respectively opened opposite to each other, the rotating rod is movably connected to the moving piece via the threads, the number of the moving pieces is two, and marking pens are installed on the two moving pieces.
[0008] Furthermore, the limit bar and the moving member are slidably connected, and a toggle member is installed at one end of the rotating rod, and the toggle member is located at one end of the installation box.
[0009] Furthermore, a through slot is provided on the installation box, a moving pointer is installed on the moving member, the moving pointer passes through the inner side of the through slot, the installation box is provided with scale lines, and the moving pointer corresponds to the scales on the scale lines.
[0010] Furthermore, a fastening cylinder is installed on the movable part, the marking pen is installed inside the fastening cylinder, a fastening thread is opened on the side of the fastening cylinder, the fastening cylinder is connected with a fastening nut through the fastening thread, and a contraction opening is also opened on the side of the fastening cylinder.
[0011] Furthermore, the fastening tube is in an expanded state, and the shrinkage opening can shrink when the fastening nut is rotated, and the bottom surface of the marking pen is higher than the bottom surface of the circular disk.
[0012] Furthermore, a limiting piece is installed in the middle of the connecting rod, the pressing piece is located in the middle of the limiting piece, a connecting piece is rotatably installed on the pressing piece, a spring is installed at the lower part of the connecting piece, and the lower end of the spring is connected to the inner side of the limiting piece.
[0013] Compared with the prior art, the utility model has the following beneficial effects:
[0014] In the utility model, the pressing part drives the lower installation box to move so that the installation box and the two points to be measured are kept parallel, and then the toggle part is rotated to drive the rotating rod to rotate. When the rotating rod rotates, the two moving parts can be driven to move synchronously inward or outward through the thread, and gradually approach the two points to be measured. When the marking pen at the lower part of the moving part coincides with the two points to be measured, the rotation is stopped. At this time, force can be applied to the pressing part to make the pressing part push the installation box downward, the spring contracts, and the marking pen at the lower part of the installation box can gradually coincide with the two ends of the measurement to mark the two points. This marking method can reduce marking errors and improve overall practicality. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 The utility model is a schematic diagram of the overall assembly of a portable measuring device.
[0016] Figure 2 It is a schematic diagram of the overall lower part of a portable measuring device of the utility model.
[0017] Figure 3 The utility model is a schematic diagram of the upper part of a mounting box of a portable measuring device.
[0018] Figure 4 The utility model is a schematic diagram of a circular disk of a portable measuring device.
[0019] Figure 5 It is an enlarged schematic diagram of part A of a portable measuring device of the utility model.
[0020] In the figure, the corresponding relationship between the component names and the figure numbers is as follows:
[0021] 1. Round disk; 2. Connecting rod; 3. Mounting box; 4. Limiting piece; 5. Pressing piece; 6. Limiting strip; 7. Turning rod; 8. Thread; 9. Moving piece; 10. Fastening cylinder; 11. Marking pen; 12. Fastening thread; 13. Shrinkage mouth; 14. Fastening nut; 15. Toggle piece; 16. Through slot; 17. Moving pointer; 18. Scale line; 19. Connecting piece; 20. Spring. DETAILED DESCRIPTION
[0022] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.
[0023] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.
[0024] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0025] Example:
[0026] As attached Figure 1 To Attachment Figure 5 As shown:
[0027] The utility model provides a portable measuring device, comprising a circular disk 1, wherein the middle part of the circular disk 1 is connected to a pressing piece 5 through a connecting rod 2, the lower end of the pressing piece 5 is located on the inner side of the circular disk 1 and is installed with a mounting box 3, a limiting strip 6 is installed on the inner side of the mounting box 3, a moving piece 9 is movably installed inside the mounting box 3, a rotating rod 7 is arranged inside the moving piece 9, threads 8 are provided at both ends of the rotating rod 7, the threads 8 are in two groups, and are respectively opened oppositely, the rotating rod 7 is movably connected to the moving piece 9 through the threads 8, the number of the moving pieces 9 is two, and marking pens 11 are installed on the two moving pieces 9, the limiting strip 6 is slidably connected to the moving piece 9, and the rotating rod A toggle piece 15 is installed at one end of 7, and the toggle piece 15 is located at one end of the installation box 3. The pressing piece 5 drives the lower installation box 3 to move, so that the installation box 3 and the two points to be measured remain parallel, and then the toggle piece 15 is rotated, and the toggle piece 15 drives the rotating rod 7 to rotate. When the rotating rod 7 rotates, the two moving parts 9 can be driven to move synchronously inward or outward through the thread 8, and gradually approach the two points to be measured. When the marking pen 11 at the bottom of the moving part 9 coincides with the two points to be measured, the rotation is stopped. At this time, force can be applied to the pressing piece 5, so that the pressing piece 5 pushes the installation box 3 to move downward, the spring 20 contracts, and the marking pen 11 at the bottom of the installation box 3 can gradually coincide with the two ends of the measurement to mark the two points.
[0028] Among them, a through slot 16 is opened on the installation box 3, and a moving pointer 17 is installed on the moving part 9. The moving pointer 17 runs through the inner side of the through slot 16. The installation box 3 is provided with a scale line 18. The moving pointer 17 corresponds to the scale on the scale line 18. When the rotating rod 7 rotates, the two moving parts 9 can be driven to move synchronously inward or outward through the thread 8, gradually approaching the two points to be measured. When the moving part 9 moves, it can drive the moving pointer 17 to move, and the moving pointer 17 will gradually point to different scales on the scale line 18, which is convenient for reading.
[0029] Among them, a fastening cylinder 10 is installed on the movable part 9, and the marking pen 11 is installed inside the fastening cylinder 10. A fastening thread 12 is provided on the side of the fastening cylinder 10, and the fastening cylinder 10 is connected with a fastening nut 14 through the fastening thread 12. A contraction opening 13 is also provided on the side of the fastening cylinder 10. The fastening cylinder 10 is in an expanded state, and the contraction opening 13 can be contracted when the fastening nut 14 is rotated. The bottom surface of the marking pen 11 is higher than the bottom surface of the circular disk 1, so it is convenient to replace the marking pen 11.
[0030] Among them, a limiting member 4 is installed in the middle of the connecting rod 2, and the pressing member 5 is located in the middle of the limiting member 4. A connecting member 19 is rotatably installed on the pressing member 5, and a spring 20 is installed at the lower part of the connecting member 19. The lower end of the spring 20 is connected to the inner side of the limiting member 4. The pressing member 5 can be rotated. At this time, the mounting box 3 and the marking pen 11 are rotated, and the two measuring points can be connected through a circle. At this time, the pressing member 5 is released, and the pressing member 5 can be restored to its original position by the force of the spring 20, thereby improving the overall practicality.
[0031] The specific usage and function of this embodiment are as follows:
[0032] In the utility model, the circular disk 1 is first placed at the position to be measured, at which time the marking pen 11 is not in contact with the measuring position, and then the pressing member 5 is rotated to drive the lower mounting box 3 to move through the pressing member 5, so that the mounting box 3 and the two points to be measured are kept parallel, and then the toggle member 15 is rotated to drive the rotating rod 7 to rotate through the toggle member 15. When the rotating rod 7 rotates, the two moving members 9 can be driven to move synchronously inward or outward through the thread 8, gradually approaching the two points to be measured, and when the moving member 9 moves, the moving pointer 17 can be driven to move, and the moving pointer 17 will gradually point to the scale line Different scales on 18 are convenient for reading. When the marking pen 11 at the bottom of the moving part 9 coincides with the two points of measurement, the rotation is stopped. At this time, force can be applied to the pressing part 5 to make the pressing part 5 push the installation box 3 downward, and the spring 20 contracts. The marking pen 11 at the bottom of the installation box 3 can gradually coincide with the two ends of the measurement to mark the two points. At the same time, the pressing part 5 can be rotated. At this time, the installation box 3 and the marking pen 11 rotate, and the two measurement points can be connected through a circle. At this time, the pressing part 5 is released, and the pressing part 5 can be restored to its original position by the force of the spring 20, driving the installation box 3 to return to its original position.
[0033] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.
Claims
1. A portable measuring device, comprising a circular disk (1), characterized in that: The middle part of the circular disk (1) is connected to a pressing piece (5) via a connecting rod (2); the lower end of the pressing piece (5) is located inside the circular disk (1) and is provided with a mounting box (3); a limit strip (6) is provided inside the mounting box (3); a moving piece (9) is movably provided inside the mounting box (3); a rotating rod (7) is provided inside the moving piece (9); threads (8) are provided at both ends of the rotating rod (7); the threads (8) are in two groups and are provided opposite to each other; the rotating rod (7) is movably connected to the moving piece (9) via the threads (8); the number of the moving pieces (9) is two, and marking pens (11) are provided on the two moving pieces (9).
2. A portable measuring device as claimed in claim 1, characterized in that: The limit strip (6) and the moving member (9) are slidably connected, and a toggle member (15) is installed at one end of the rotating rod (7), and the toggle member (15) is located at one end of the installation box (3).
3. A portable measuring device as claimed in claim 1, characterized in that: The installation box (3) is provided with a through slot (16), the moving member (9) is provided with a moving pointer (17), the moving pointer (17) passes through the inner side of the through slot (16), the installation box (3) is provided with a scale line (18), and the moving pointer (17) corresponds to the scale on the scale line (18).
4. A portable measuring device as claimed in claim 1, characterized in that: A fastening cylinder (10) is installed on the movable member (9), the marking pen (11) is installed inside the fastening cylinder (10), a fastening thread (12) is provided on the side of the fastening cylinder (10), the fastening cylinder (10) is connected to a fastening nut (14) via the fastening thread (12), and a contraction opening (13) is also provided on the side of the fastening cylinder (10).
5. A portable measuring device as claimed in claim 4, characterized in that: The fastening tube (10) is in an expanded state, and the contraction opening (13) can be contracted when the fastening nut (14) is rotated. The bottom surface of the marking pen (11) is higher than the bottom surface of the circular disk (1).
6. A portable measuring device as claimed in claim 1, characterized in that: A limiting member (4) is installed in the middle of the connecting rod (2), and the pressing member (5) is located in the middle of the limiting member (4). A connecting piece (19) is rotatably mounted on the pressing piece (5), and a spring (20) is mounted on the lower part of the connecting piece (19). The lower end of the spring (20) is connected to the inner side of the restricting member (4).