Folding ruler
By using rotary connection components on the folding ruler, allowing the ruler segment to rotate at multiple angles, solving the problem of easy looseness and single function of the existing folding ruler, achieving a more accurate and multifunctional measurement effect.
Patent Information
- Application Number
- CN202420959753.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-06
- Publication Date
- 2025-02-11
- Estimated Expiration
- 2034-05-06
AI Technical Summary
The existing folding ruler is prone to looseness when stored or expanded, resulting in inaccurate measurement and single function, which cannot meet the multi-angle measurement needs.
A folding ruler is designed, using a rotary connection assembly to connect adjacent straight rule segments, allowing the straight ruler segment to rotate at any angle of 0 degrees, 90 degrees and 180 degrees, through a first rotating connection and a second rotating connection. The fit between the parts and the shaft achieves a stable connection.
The firm connection of the folding ruler at multiple angles is achieved, which enhances the accuracy of measurement and extends the function of the folding ruler, which can be used for measuring, marking and drawing straight lines at multiple angles.
Smart Images
Figure CN222460484U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of ruler-like tools, in particular to a folding ruler. Background Art
[0002] A folding ruler can be retracted or stretched, and can be used to measure, mark or draw straight lines. However, the folding rulers commonly found on the market cannot be fixed at both ends when the ruler is stored or unfolded, and the rulers are prone to looseness, and are inaccurate when measuring, marking or drawing straight lines. In addition, such rulers can only be used to measure straight-line distances, and their functions are too single, which is very inconvenient for users. Utility Model Content
[0003] The purpose of the utility model is to overcome the above-mentioned deficiencies of the prior art and to provide a folding ruler which is easy to use and has a stable structure.
[0004] The purpose of the utility model is achieved through the following technical solutions:
[0005] A folding ruler comprises a plurality of ruler segments, wherein a rotating connection assembly is connected between two adjacent ruler segments, and the two adjacent ruler segments can be rotated to any angle of 0 degree, 90 degree and 180 degree through the rotating connection assembly.
[0006] Furthermore, the rotating connection assembly includes a first rotating connection member, a second rotating connection member and a rotating shaft, the first rotating connection member is arranged at the end of one of the two adjacent ruler segments, the second rotating connection member is arranged at the end of the other of the two adjacent ruler segments, the first rotating connection member and the second rotating connection member are both provided with a through hole for the rotating shaft to pass through, the first rotating connection member and the second rotating connection member are in contact with each other and are rotatably connected by the rotating shaft passing through the through hole.
[0007] Further, the two ends of the fitting surface on the first rotating connection member in the transverse direction are respectively provided with a first convex portion and a second convex portion, the two ends of the fitting surface on the first rotating connection member in the longitudinal direction are respectively provided with a third convex portion and a fourth convex portion, the two ends of the fitting surface on the second rotating connection member in the transverse direction are respectively provided with a first groove and a second groove, and the two ends of the fitting surface on the second rotating connection member in the longitudinal direction are respectively provided with a third groove and a fourth groove, when the angle between two adjacent ruler sections is rotated to 0 degrees, the first convex portion, the second convex portion, the third convex portion and the fourth convex portion respectively cooperate with the first groove, the second groove, the third groove and the fourth groove at the corresponding positions, when the angle between two adjacent ruler sections is rotated to 90 degrees, the third convex portion and the fourth convex portion respectively cooperate with the first groove and the second groove at the corresponding positions, and when the angle between two adjacent ruler sections is rotated to 180 degrees, the first convex portion, the second convex portion, the third convex portion and the fourth convex portion respectively cooperate with the second groove, the first groove, the fourth groove and the third groove at the corresponding positions.
[0008] Furthermore, the two adjacent ruler segments are each provided with a mounting hole, the rotating shaft is a rivet, and the rivet is penetrated through the mounting hole and the through hole and connects the two adjacent ruler segments, the first rotating connector and the second rotating connector together.
[0009] Furthermore, the two adjacent ruler segments are each provided with a mounting groove, the mounting hole is provided in the mounting groove, and the first rotating connector and the second rotating connector are respectively installed in the corresponding mounting grooves.
[0010] Furthermore, both sides of the first rotating connector and the second rotating connector away from the fitting surface are provided with covering edges arranged along the transverse direction thereof, and the covering edges cover the corresponding ruler segments.
[0011] Furthermore, each of the plurality of ruler segments is provided with scales.
[0012] Compared with the prior art, the utility model has the following beneficial effects:
[0013] Firstly, the folding ruler of the utility model can be rotated to any angle between 90 degrees and 180 degrees, and can be used to measure and mark objects at various angles, and can also draw straight lines at various angles, which is very convenient to use.
[0014] Secondly, the structural design of the rotating connecting piece in the utility model ensures that when two adjacent ruler segments are rotated to any angle of 0 degrees, 90 degrees and 180 degrees, the two adjacent ruler segments are very stable and will not become loose or shaken, making it more accurate to measure, mark or draw straight lines during use. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 The utility model is a schematic diagram of the main structure of a folding ruler in a folded state.
[0016] Figure 2 The utility model is a three-dimensional structure diagram of a folding ruler in an unfolded state. Figure 1 .
[0017] Figure 3 This is a schematic diagram of the decomposition structure of a folding ruler of the utility model. Figure 1 .
[0018] Figure 4 This is a schematic diagram of the decomposition structure of a folding ruler of the utility model. Figure 2 .
[0019] Figure 5 It is a schematic diagram of the exploded structure of the rotary connector assembly in the utility model.
[0020] Figure 6 The utility model is a three-dimensional structure diagram of a folding ruler in an unfolded state. Figure 2 .
[0021] Figure 7 This is a schematic diagram of the decomposition structure of a folding ruler of the utility model. Figure 3 . DETAILED DESCRIPTION
[0022] The utility model is further described in detail below with reference to the embodiments given in the accompanying drawings.
[0023] like Figures 1 to 7 As shown, a folding ruler provided in this embodiment includes a plurality of ruler segments 1, and a rotating connection assembly 2 is connected between two adjacent ruler segments 1. The two adjacent ruler segments 1 can be rotated to any angle of 0 degree, 90 degree and 180 degree through the rotating connection assembly 2. Specifically, scales 11 are set on the plurality of ruler segments 1.
[0024] As described above, the rotary connection assembly 2 includes a first rotary connection member 3, a second rotary connection member 4 and a rotating shaft 5. The first rotary connection member 3 is arranged at the end of one of the two adjacent ruler segments 1, and the second rotary connection member 4 is arranged at the end of the other of the two adjacent ruler segments 1. The first rotary connection member 2 and the second rotary connection member 4 are both provided with a through hole 6 for the rotating shaft 5 to pass through. The first rotary connection member 2 and the second rotary connection member 4 fit each other and are rotatably connected by the rotating shaft 5 passing through the through hole 6. Specifically, the two adjacent ruler segments 1 are both provided with a mounting hole 7, and the rotating shaft 5 is a rivet, which passes through the mounting hole 7 and the through hole 6 and connects the two adjacent ruler segments 1, the first rotary connection member 3 and the second rotary connection member 4 together.
[0025] As mentioned above, the first rotating connector 3 and the second rotating connector 4 can be made of metal or plastic.
[0026] As described above, the first convex portion 31 and the second convex portion 32 are respectively provided at both ends of the laminating surface of the first rotating connector 3 in the transverse direction, and the third convex portion 33 and the fourth convex portion 34 are respectively provided at both ends of the laminating surface of the first rotating connector 3 in the longitudinal direction. The first groove 41 and the second groove 42 are respectively provided at both ends of the laminating surface of the second rotating connector 4 in the transverse direction, and the third groove 43 and the fourth groove 44 are respectively provided at both ends of the laminating surface of the second rotating connector 4 in the longitudinal direction.
[0027] As described above, when the angle between two adjacent ruler segments 1 is rotated to 0 degrees, the first convex portion 31, the second convex portion 32, the third convex portion 33, and the fourth convex portion 34 respectively cooperate with the first groove 41, the second groove 42, the third groove 43, and the fourth groove 44 at the corresponding positions; when the angle between two adjacent ruler segments 1 is rotated to 90 degrees, the third convex portion 33 and the fourth convex portion 34 respectively cooperate with the first groove 41 and the second groove 42 at the corresponding positions; when the angle between two adjacent ruler segments 1 is rotated to 180 degrees, the first convex portion 31, the second convex portion 32, the third convex portion 33, and the fourth convex portion 34 respectively cooperate with the second groove 42, the first groove 41, the fourth groove 44, and the third groove 43 at the corresponding positions. Such a structural design enables the folding ruler to have the function of measuring multiple angles. At the same time, the mutual cooperation structure of the first rotating connecting member 3 and the second rotating connecting member 4 makes the two adjacent ruler segments 1 very stable and will not shake when they are rotated to any angle of 0 degree, 90 degree and 180 degree, so that measuring, marking or drawing straight lines is more accurate during use.
[0028] In this embodiment, two adjacent ruler segments 1 are provided with mounting grooves 12, the mounting holes 7 are provided in the mounting grooves 12, and the first rotating connector 3 and the second rotating connector 4 are respectively installed in the corresponding mounting grooves 12. Such a structural design makes the connection between the two adjacent ruler segments 1 more stable and reliable.
[0029] In another embodiment, both sides of the first rotating connector 3 and the second rotating connector 4 away from the fitting surface are provided with a covering edge 8 arranged along the transverse direction thereof, and the covering edge 8 covers the corresponding ruler segment 1. Such a structural design makes the connection between two adjacent ruler segments 1 more stable and reliable.
[0030] The above is only a preferred embodiment of the present utility model, and it cannot be used to limit the scope of the present utility model. That is, all simple equivalent changes and modifications made according to the scope of the patent application of the present utility model and the content of the utility model description are still within the scope of the present utility model patent.
Claims
1. A folding ruler, characterized in that: The invention comprises a plurality of ruler segments, wherein a rotating connection assembly is connected between two adjacent ruler segments, and the two adjacent ruler segments can be rotated to any angle of 0, 90 and 180 degrees through the rotating connection assembly, and the rotating connection assembly comprises a first rotating connection member, a second rotating connection member and a rotating shaft, wherein the first rotating connection member is arranged at the end of one of the two adjacent ruler segments, and the second rotating connection member is arranged at the end of the other of the two adjacent ruler segments, and the first rotating connection member and the second rotating connection member are both provided with a through hole for the rotating shaft to pass through, and the first rotating connection member and the second rotating connection member fit each other and are rotatably connected by the rotating shaft passing through the through hole.
2. A folding ruler according to claim 1, characterized in that: The first convex portion and the second convex portion are respectively provided at both ends of the fitting surface on the first rotating connection member in the transverse direction, the third convex portion and the fourth convex portion are respectively provided at both ends of the fitting surface on the first rotating connection member in the longitudinal direction, the first groove and the second groove are respectively provided at both ends of the fitting surface on the second rotating connection member in the transverse direction, and the third groove and the fourth groove are respectively provided at both ends of the fitting surface on the second rotating connection member in the longitudinal direction. When the angle between two adjacent ruler sections is rotated to 0 degrees, the first convex portion, the second convex portion, the third convex portion and the fourth convex portion respectively cooperate with the first groove, the second groove, the third groove and the fourth groove at the corresponding positions. When the angle between two adjacent ruler sections is rotated to 90 degrees, the third convex portion and the fourth convex portion respectively cooperate with the first groove and the second groove at the corresponding positions. When the angle between two adjacent ruler sections is rotated to 180 degrees, the first convex portion, the second convex portion, the third convex portion and the fourth convex portion respectively cooperate with the second groove, the first groove, the fourth groove and the third groove at the corresponding positions.
3. A folding ruler according to claim 1 or 2, characterized in that: The two adjacent ruler segments are each provided with a mounting hole, and the rotating shaft is a rivet, which penetrates the mounting hole and the through hole and connects the two adjacent ruler segments, the first rotating connector and the second rotating connector together.
4. A folding ruler according to claim 3, characterized in that: The two adjacent ruler segments are each provided with a mounting groove, the mounting hole is provided in the mounting groove, and the first rotating connecting member and the second rotating connecting member are respectively installed in the corresponding mounting grooves.
5. A folding ruler according to claim 3, characterized in that: Both sides of the first rotating connector and the second rotating connector away from the fitting surface are provided with covering edges arranged along the transverse direction thereof, and the covering edges cover the corresponding ruler segments.
6. A folding ruler according to claim 1, characterized in that: The plurality of ruler segments are all provided with scales.