Horizontal reference measuring mechanism and measuring tape

Abstract

The utility model discloses a mechanism for measuring a horizontal reference, which comprises a reference assembly plate which is rotatably arranged, the surface of the reference assembly plate is provided with a horizontal reference identification part, the reference assembly plate is also provided with a horizontal reference holding part, and the utility model also discloses a measuring tape using the mechanism for measuring the horizontal reference. The assembling groove and the comparison identification part are used in cooperation with the base; when size or distance measurement is carried out, after the measuring tape is in an upright state, under the action of the gravity of the horizontal reference keeping part, the horizontal reference marking part is automatically kept horizontal, whether the tape is horizontal or not can be judged by comparing the horizontal reference marking part with the comparison marking part, and the measuring tape can be used for measuring whether the placement of an object meets the requirement of horizontal placement or not. And the measuring horizontal reference mechanism and the measuring tape are in an embedded state after being assembled, and the whole mechanism is positioned in the measuring tape, so that the surface of the measuring tape is regular, the external space of the measuring tape is not occupied, the size of the measuring tape is not increased, and the measuring tape is convenient to store and use.

Description

Technical Field

[0001] This utility model relates to the field of size or distance measuring tools, and in particular to a measuring horizontal reference mechanism for auxiliary measurement, and also to a measuring tape using the measuring horizontal reference mechanism. Background Technology

[0002] Measuring tapes are commonly used tools for measuring dimensions or distances in daily life and work. The tape used for measurement is wound inside the tape measure and is equipped with a spring that works in conjunction with it. After use, the tape automatically winds up under the action of the spring, making it small and easy to carry. Current measuring tapes have a simple structure. Although convenient to use, they lack a dedicated leveling mechanism, limiting their function to a single purpose, such as measuring distances or dimensions. The absence of a dedicated leveling mechanism significantly affects the accuracy of measuring larger horizontal dimensions or distances. Another aspect of this limited functionality is that it is not convenient for measuring whether objects placed flat are level. To achieve high-precision leveling, it is necessary to use a level, laser level, or add a bubble level, which may increase the size and number of tools, making them inconvenient to carry, or significantly increase the manufacturing cost. Therefore, a new structure is needed in measuring tapes to simultaneously mitigate or solve the above-mentioned problems. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide a measuring reference mechanism that facilitates the determination of the levelness of the measurement when using a measuring tape to measure dimensions or distances, helps to improve the accuracy of the measurement, and also has the ability to detect whether the object is placed flat as required.

[0004] To solve the above-mentioned technical problems, the technical solution of this utility model is: a horizontal reference mechanism, assembled on a measuring tape, including a reference assembly plate that is rotatably installed, the surface of the reference assembly plate is provided with a horizontal reference marking part, and the reference assembly plate is also provided with a horizontal reference holding part for keeping the horizontal reference marking part in a horizontal state.

[0005] As a preferred technical solution, the horizontal reference marking part is a linear groove provided on the surface of the reference assembly plate.

[0006] As a preferred technical solution, the horizontal reference holding part is a horizontal self-weight holding plate connected to the reference assembly plate, and the horizontal self-weight holding plate is located in the lower middle part of the reference assembly plate.

[0007] As a preferred technical solution, the reference assembly plate is configured as a circular plate, and the horizontal self-weight retaining plate is configured as an arc plate fixed to the surface of the reference assembly plate.

[0008] As a preferred technical solution, an assembly bushing for achieving rotational assembly is provided at the center of the reference assembly plate.

[0009] As a preferred technical solution, the outer side of the reference assembly plate is covered with a transparent protective cover, through which the state of the horizontal reference marking section can be observed.

[0010] This utility model also relates to a measuring tape, including a detachable first half-shell and a second half-shell, with a tape rewinding assembly encapsulated between the first half-shell and the second half-shell. The measuring horizontal reference mechanism is provided on the outer side of the first half-shell, and the reference assembly plate is rotatably assembled with the first half-shell. A comparison marking part is provided on the measuring horizontal reference mechanism and / or on the surface of the first half-shell to cooperate with the horizontal reference marking part.

[0011] As a preferred technical solution, a hand-held part for easy use is snapped between the first half shell and the second half shell, and a limiting groove is provided at the assembly point of the first half shell and / or the second half shell and the hand-held part, and a rubber rope extending outward is provided in the limiting groove.

[0012] As a preferred technical solution, it also includes a tape clamp, wherein the first half shell and the second half shell are provided with a clamp groove that engages with the tape clamp, and the tape clamp is detachably assembled into the clamp groove.

[0013] As an improvement to the above technical solution, a tape clamp is also provided between the first half shell and the second half shell for limiting assembly. The end of the tape clamp is provided with a tape stopper, and the tape clamp is also provided with a tape hook hole for hooking and fixing the end of the tape.

[0014] Due to the adoption of the above technical solution, this utility model has the following beneficial effects: When the measuring horizontal reference mechanism is assembled on the tape measure, after the tape measure is in an upright state, the horizontal reference mark part automatically maintains a horizontal position under the weight of the horizontal reference holding part. By comparing it with the comparison mark part, it can be determined whether the tape is horizontal, thereby helping to improve the accuracy of measurement. It can also be used to measure whether the placement of objects meets the requirements of horizontal placement, so that it can be leveled in time. After the measuring horizontal reference mechanism is assembled with the tape measure, the measuring horizontal reference mechanism is in an embedded state due to the setting of the assembly groove. The entire mechanism is located inside the tape measure, making the surface of the tape measure neat and not occupying its external space, without increasing the size of the tape measure, making it easy to store and use. Attached Figure Description

[0015] The accompanying drawings are intended only to illustrate and explain the present invention and do not limit the scope of the present invention.

[0016] Figure 1 This is a structural schematic diagram of the reference assembly plate and related components of an embodiment of this utility model;

[0017] Figure 2 This is a schematic diagram of the reference assembly plate and related components from another direction according to an embodiment of the present invention;

[0018] Figure 3 This is a schematic diagram of the structure after the reference assembly plate and the protective cover plate are assembled according to an embodiment of this utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the measuring tape according to an embodiment of the present invention;

[0020] Figure 5 This is a three-dimensional structural diagram of the measuring tape according to an embodiment of the present utility model;

[0021] Figure 6 This is a three-dimensional structural diagram of the measuring tape in another direction according to an embodiment of this utility model;

[0022] Figure 7 This is a schematic diagram of the structure of the first half-shell according to an embodiment of the present invention;

[0023] Figure 8 This is a simplified illustration of the usage state of the measuring tape according to an embodiment of this utility model;

[0024] Figure 9 This is a diagram illustrating the usage state of measuring whether an object is placed horizontally, according to an embodiment of this utility model.

[0025] In the diagram: 1-Reference assembly plate; 2-Horizontal reference marking part; 3-Horizontal self-weight retaining plate; 4-Assembly bushing; 5-Protective cover plate; 6-Assembly protrusion; 7-First half shell; 8-Second half shell; 9-Comparison marking part; 10-Handheld part; 11-Half shell locking block; 12-Rubber rope; 13-Limiting slide groove; 14-Scale clip head; 15-Clip head groove; 16-Angle scale. Detailed Implementation

[0026] The present invention will be further described below with reference to the accompanying drawings and embodiments. In the following detailed description, only certain exemplary embodiments of the present invention are described by way of illustration. Undoubtedly, those skilled in the art will recognize that various modifications can be made to the described embodiments without departing from the spirit and scope of the present invention. Therefore, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.

[0027] like Figure 1 and Figure 2As shown, a horizontal reference mechanism is mounted on a measuring tape. It includes a reference mounting plate 1 rotatably mounted on the surface of the reference mounting plate 1. The reference mounting plate 1 has a horizontal reference marking portion 2, and also a horizontal reference holding portion for keeping the horizontal reference marking portion 2 horizontal. After the reference mounting plate 1 is installed, it is kept vertical during use of the measuring tape. Under the weight of the horizontal reference holding portion, the reference mounting plate 1 rotates, keeping the horizontal reference marking portion 2 horizontal. This forms a reference for judging whether the stretched tape is horizontal, helping to ensure the accuracy of size or distance measurements, or whether the object being measured meets the horizontal placement requirements.

[0028] Specifically, the horizontal reference marking part 2 is a linear groove on the surface of the reference assembly plate 1, which is relatively obvious and easy to observe. It can also be a linear colored bar, a thick line, etc. The horizontal reference holding part is a horizontal self-weight holding plate 3 connected to the reference assembly plate 1, and the horizontal self-weight holding plate 3 is located in the lower middle part of the reference assembly plate 1. The horizontal self-weight holding plate 3 is actually used to add weight to the lower part of the reference assembly plate 1, so that when the measuring tape is upright, the reference assembly plate 1 can rotate on its own, achieving the purpose of keeping the horizontal reference marking part 2 horizontal. The cooperation between the horizontal self-weight holding plate 3 and the reference assembly plate 1 actually utilizes the principle of a gravity pendulum to achieve automatic horizontal alignment.

[0029] In this embodiment, the reference assembly plate 1 is a circular plate, and the horizontal self-weight retaining plate 3 is an arc plate fixed to the surface of the reference assembly plate 1. An assembly bushing 4 for rotating assembly is provided at the center of the reference assembly plate 1. The assembly bushing 4 increases the contact area during rotating assembly, thereby improving the stability of the reference assembly plate 1 and allowing the horizontal reference marking part 2 to quickly enter a horizontal state and remain stable.

[0030] like Figure 3 As shown, a transparent protective cover 5 is fastened to the outer side of the reference assembly plate 1. A gap is formed between the protective cover 5 and the reference assembly plate 1 to avoid hindering the automatic rotation and adjustment of the reference assembly plate 1. The protective cover 5 is relatively fixedly connected to the measuring tape. The state of the horizontal reference marking part 2 can be observed through the protective cover 5 to facilitate the judgment of the tape's horizontality. The periphery of the protective cover 5 is provided with mounting protrusions 6 for easy connection with the measuring tape, forming a plug-in connection with the measuring tape, making the assembly process simpler and more convenient.

[0031] like Figures 4 to 7As shown, this embodiment also relates to a measuring tape, including a detachably assembled first half-shell 7 and a second half-shell 8. A rewind tape assembly is encapsulated between the first half-shell 7 and the second half-shell 8. The above structures are well known to those skilled in the art and will not be described in detail here. The measuring horizontal reference mechanism is provided on the outside of the first half-shell 7, and the reference mounting plate 1 is rotatably assembled with the first half-shell 7. The rewind support shaft within the rewind tape assembly can also serve as the mounting shaft of the reference mounting plate 1, cooperating with the mounting bushing 4 to achieve rotatable assembly between the reference mounting plate 1 and the first half-shell 7.

[0032] Specifically, an assembly groove can be provided on the outer side of the first half-shell 7, and the measuring horizontal reference mechanism can be placed in the assembly groove. Insertion slots are provided in the assembly groove corresponding to each of the assembly protrusions 6. In this embodiment, the assembly protrusions 6 are designed as cylindrical structures to simplify and facilitate assembly. After the measuring horizontal reference mechanism is assembled with the first half-shell 7, it will be located within the assembly groove, and its surface will not protrude excessively from the surface of the first half-shell 7, minimizing the impact on the original dimensions of the first half-shell 7 and ensuring its portability.

[0033] A high-smoothness bearing can be installed in the reference assembly plate 1 to minimize the rotational resistance of the reference assembly plate 1, ensure its smooth rotation, and enable it to quickly enter the horizontal holding state of the horizontal reference marking part 2.

[0034] The measuring horizontal reference mechanism and / or the surface of the first half-shell 7 are provided with a comparison mark 9 that works in conjunction with the horizontal reference mark 2. The comparison mark 9 is used to determine whether the measuring tape is horizontal during measurement, and can also measure whether a flat object is in a horizontal position.

[0035] An angle scale 16 for measuring the horizontal placement of an object is provided on the measuring horizontal reference mechanism or on the surface of the first half-shell 7. This scale measures the surface angle of a horizontally placed object. The angle scale 16 works in conjunction with the horizontal reference marking part 2. In use, the bottom end of the measuring tape is placed against the top surface of the object to keep it upright. The angle between the angle scale 16 and the horizontal reference marking part 2 is then observed. For easier observation, a ruler or similar tool can be used as an extension of the horizontal reference marking part 2 to intersect the angle scale 16.

[0036] Specifically, when the comparison mark 9 is located on the measuring horizontal reference mechanism, it can be a straight comparison mark on the protective cover 5, and the straight comparison mark can be located at the center of the horizontal reference mark 2 in a horizontal state. When the comparison mark 9 is located on the surface of the first half-shell 7, it can also be a straight comparison mark, which can be aligned with the center of the horizontal reference mark 2 in a horizontal state. Of course, the first half-shell 7 can be configured as two halves divided into two parts, and the connection line between the two halves can be used as the comparison mark 9. The angle scale 16 can be set around the periphery of the protective cover 5 or around the mounting groove on the surface of the first half-shell 7. When the reference mounting plate 1 does not completely cover the inner surface of the mounting groove, the angle scale 16 can also be set on the inner surface of the mounting groove, and measurement and observation can be conveniently performed through the transparent protective cover 5.

[0037] A handheld part 10 for easy use is snapped between the first half shell 7 and the second half shell 8. The two ends of the handheld part 10 are respectively provided with half shell snap-fit ​​blocks 11. The edges of the first half shell 7 and the second half shell 8 are snapped and limited on the half shell snap-fit ​​blocks 11, so that the half shell snap-fit ​​blocks 11 are encapsulated in the first half shell 7 and the second half shell 8, thereby realizing the fixed assembly of the handheld part 10. A limiting groove 13 is provided at the assembly point of the first half-shell 7 and / or the second half-shell 8 with the handheld part 10. A rubber rope 12 extending outward is provided in the limiting groove 13 (only a simple illustration is shown in the figure). The half-shell locking block 11 limits the sliding of the rubber rope 12 in the limiting groove 13. An elastic element such as a spring can also be provided on the side of the half-shell locking block 11 in the limiting groove 13 to limit the rubber rope 12. By providing the rubber rope 12, the measuring tape can be hung on the wrist or suspended on objects of different diameters / widths when not in use, which also increases the playability of the measuring tape.

[0038] This embodiment also includes a tape clamp 14, which is fixedly connected to the tape end of the measuring tape. The first half-shell 7 and the second half-shell 8 are provided with clamping grooves 15 that engage with and limit the tape clamp 14. The tape clamp 14 is detachably assembled into the clamping grooves 15. An assembly limiting groove and an assembly limiting strip are formed between the side of the tape clamp 14 and the first half-shell 7 and the second half-shell 8. By pressing, the tape clamp 14 can be directly pressed into the assembly point, and the engagement of the assembly limiting groove and the assembly limiting strip maintains its fixed position after assembly. During measurement, pressing the tape clamp 14 into the clamping groove 15 holds the pulled-out tape in place, facilitating more accurate and convenient readings.

[0039] like Figure 8 As shown, the measuring tape in this embodiment is a flexible tape measure. During use, the tape measure is wrapped around the object being measured, and then the tape clamp 14 is pressed into the clamp groove 15 to hold the stretched tape in place, facilitating more accurate readings. The tape clamp 14 has a fixed length and its scale begins at its end. It remains in contact with the clamp groove 15 before and after use, without affecting the measurement values. Due to the good deformation effect of the tape measure, it is particularly advantageous for measuring the circumference of irregular objects, resulting in more accurate measurement results. Figure 9 As shown, the measuring tape is used to measure whether an object meets the requirement of being placed horizontally. The detection method is simple and the results are displayed intuitively.

[0040] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A horizontal reference mechanism, assembled on a measuring tape, characterized in that: The reference assembly plate includes a rotatable mounting plate. The surface of the reference assembly plate is provided with a horizontal reference marking portion. The reference assembly plate is also provided with a horizontal reference holding portion for keeping the horizontal reference marking portion in a horizontal state.

2. The horizontal reference mechanism as described in claim 1, characterized in that: The horizontal reference marking part is a linear groove provided on the surface of the reference assembly plate.

3. The horizontal reference mechanism as described in claim 1, characterized in that: The horizontal reference holding part is a horizontal self-weight holding plate connected to the reference assembly plate, and the horizontal self-weight holding plate is located in the lower middle part of the reference assembly plate.

4. The horizontal reference mechanism as described in claim 1, characterized in that: The reference assembly plate is configured as a circular plate, and the horizontal self-weight retaining plate is configured as an arc plate fixed to the surface of the reference assembly plate.

5. A horizontal reference mechanism as described in claim 1, characterized in that: An assembly bushing for rotating assembly is provided at the center of the reference assembly plate.

6. The horizontal reference mechanism as described in claim 1, characterized in that: The outer side of the reference assembly plate is covered with a transparent protective cover.

7. A measuring tape, comprising a detachably assembled first half-shell and a second half-shell, wherein a tape rewinding assembly is encapsulated between the first half-shell and the second half-shell, characterized in that: The outer side of the first half-shell is provided with a measuring horizontal reference mechanism as described in any one of claims 1 to 6, and the reference assembly plate is rotatably assembled with the first half-shell. The measuring horizontal reference mechanism and / or the surface of the first half-shell are provided with a comparison marking portion for use in conjunction with the horizontal reference marking portion.

8. The measuring tape as described in claim 7, characterized in that: A hand-held part for easy use is snapped between the first half shell and the second half shell. A limiting groove is provided at the assembly point of the first half shell and / or the second half shell with the hand-held part. A rubber rope extending outward is provided in the limiting groove.

9. The measuring tape as described in claim 7, characterized in that: It also includes a tape clamp, and the first half shell and the second half shell are provided with a clamp groove that engages with the tape clamp. The tape clamp can be detachably assembled into the clamp groove.

10. The measuring tape as described in claim 7, characterized in that: The surface of the measuring horizontal reference mechanism or the first half-shell is provided with an angle scale for measuring the degree of horizontal placement of an object, and the angle scale is used in conjunction with the horizontal reference marking part.

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