Foldable measuring board ruler

Abstract

The utility model relates to a foldable measuring board ruler, and relates to the technical field of measuring instruments. The foldable measuring board ruler comprises a measuring board ruler and at least one group of connecting and fixing devices. According to the foldable measuring board ruler, measuring operation can be conveniently carried out in a narrow space, various measuring requirements are met, meanwhile, the folded measuring board ruler is small in size and convenient to carry, and after the measuring board ruler is unfolded, the first supporting frame and the second supporting frame are installed on the side walls of the two board rulers correspondingly, and therefore the measuring board ruler can be folded conveniently. The fixing bolt is inserted into the I-shaped bolt groove formed by the two bolt grooves, so that the first supporting frame and the second supporting frame are connected and fixed, stable fixing of the unfolded measuring board ruler is achieved, the measuring board ruler can be effectively prevented from loosening in the measuring process, and the measuring accuracy and the measuring efficiency are guaranteed.

Description

Technical Field

[0001] This application relates to the technical field of measuring instruments, and particularly to a foldable measuring ruler. Background Art

[0002] Currently, in the work of exploration and surveying, measuring rulers are often used for surveying.

[0003] However, since most measuring rulers are of an integral structure with a fixed length, the length of the measuring ruler cannot be adjusted during use, which has certain limitations when used in a narrow space. At the same time, due to the long length of the measuring ruler, it is also very inconvenient to carry.

[0004] To solve the problems of the long length and inconvenient carrying of the measuring ruler, there are some foldable measuring rulers on the market currently. However, for the existing foldable measuring rulers, most of them cannot be well fixed after being unfolded, having the problem of insufficient fixing stability after unfolding, unable to meet the fixed measurement requirements during exploration construction, and may affect the measurement accuracy and measurement efficiency. Utility Model Content

[0005] To solve or partially solve the problems existing in the related technologies, this application provides a foldable measuring ruler, which can facilitate the measurement operation in a narrow space, can achieve the stable fixation of the measuring ruler after unfolding, and ensure the measurement accuracy and measurement efficiency.

[0006] This application provides a foldable measuring ruler, including:

[0007] A measuring ruler, which includes two ruler plates and a rotating hinge. The rotating hinge connects and fixes the two ruler plates to form a foldable measuring ruler. The upper surface of the ruler plate is provided with measuring scales;

[0008] At least one set of connection and fixing devices, which includes: a first support frame, a second support frame, and a fixed plug block. The structures of the first support frame and the second support frame are the same. Among them, the first support frame and the second support frame are respectively installed on the side walls of the two ruler plates;

[0009] The first support frame includes: a first connection bracket, a first connecting rod, a second connection bracket, a first sliding connecting rod, a first spring, and a first fixing bolt;

[0010] A first positioning rod is provided on the side wall of the first connection bracket, and a positioning hole corresponding to the first positioning rod is provided on the side wall of the ruler plate;

[0011] A plug groove is provided on the first connection bracket for installing the fixed plug block;

[0012] One end of the first connecting rod is rotatably connected to the first connecting bracket, and the other end of the first connecting rod is rotatably connected to the second connecting bracket;

[0013] An upper sliding block is arranged on the side wall of the second connecting bracket, a sliding groove corresponding to the sliding block is arranged on the side wall of the board ruler, and the second connecting bracket is arranged and installed in the sliding groove;

[0014] One end of the first sliding connecting rod is fixedly connected to the second connecting bracket;

[0015] The first sliding connecting rod is a telescopic rod, and a first spring baffle is arranged on the first sliding connecting rod. The first spring is arranged and installed on the first sliding connecting rod and is located at the rear end of the first spring baffle;

[0016] A first fixing plate is disposed at the top end of the first sliding connecting rod, and a first fixing through hole for installing a first fixing bolt is disposed on the first fixing plate;

[0017] At least one fixing threaded hole is arranged on the side wall of the board ruler, and the first fixing bolt passes through the first fixing through hole and is installed in the fixing threaded hole to realize the fixed connection between the first sliding connecting rod and the side plate.

[0018] Optionally, in some embodiments of the present application:

[0019] The latch groove on the first connecting bracket is a T-shaped groove, and the latch grooves on the two first connecting brackets form an I-shaped latch groove;

[0020] The fixed latch block is an I-shaped latch block, and the fixed latch block is inserted into the I-shaped latch groove formed by two latch grooves to connect and fix the two first connection brackets.

[0021] Optionally, in some embodiments of the present application:

[0022] A handle bar is arranged on the top of the fixed latch block.

[0023] Optionally, in some embodiments of the present application:

[0024] The upper surface of the ruler is provided with a plurality of protective grooves in an array.

[0025] Optionally, in some embodiments of the present application:

[0026] The inner wall of the protective groove is provided with an anti-slip texture.

[0027] The technical solution provided by this application may have the following beneficial effects:

[0028] The foldable measuring board ruler of the present application can facilitate measurement operations in narrow spaces, adapt to various measurement requirements. At the same time, the folded measuring board ruler is small in volume and easy to carry.

[0029] For the foldable measuring board ruler of the present application, after the measuring board ruler is unfolded, by respectively installing the first support frame and the second support frame on the side walls of the two board rulers, and then inserting the fixed pin into the I-shaped pin slot formed by the two pin grooves, the first support frame and the second support frame are connected and fixed, so as to realize the stable fixation of the unfolded measuring board ruler, which can effectively prevent the measuring board ruler from loosening during the measurement process, and ensure the accuracy and efficiency of the measurement.

[0030] The connection and fixation device in the present application is convenient to use. When it is necessary to fold the measuring board ruler, only the fixed pin block needs to be pulled out. It is suitable for exploration and measurement scenarios that require frequent use and movement, and can improve the measurement efficiency.

[0031] It should be understood that the above general description and the following detailed description are only exemplary and explanatory, and cannot limit the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] By describing the exemplary embodiments of the present application in more detail in conjunction with the drawings, the above and other objects, features and advantages of the present application will become more obvious. Among them, in the exemplary embodiments of the present application, the same reference numerals generally represent the same components.

[0033] Figure 1 is an overall structural schematic diagram of the measuring board ruler shown in the embodiment of the present application;

[0034] Figure 2 is a top view structural schematic diagram of the measuring board ruler shown in the embodiment of the present application;

[0035] Figure 3 is an overall structural schematic diagram of the connection and fixation device in the embodiment of the present application.

[0036] Reference numerals: 1 - measuring board ruler, 110 - board ruler, 1101 - sliding groove, 111 - measuring scale, 112 - protective groove, 113 - fixed threaded hole, 2 - rotating hinge, 3 - connection and fixation device, 310 - first support frame, 311 - first connection bracket, 3111 - first positioning rod, 3112 - pin groove, 312 - first connecting rod, 313 - second connection bracket, 3131 - slider, 314 - first sliding connecting rod, 3141 - first spring baffle, 3142 - first fixing plate, 315 - first spring, 316 - first fixing bolt, 320 - second support frame, 330 - fixed pin block, 331 - handle rod. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0037] Embodiments of the present application will be described in more detail below with reference to the accompanying drawings. Although the embodiments of the present application are shown in the drawings, it should be understood that the present application can be implemented in various forms and should not be limited by the embodiments set forth herein. On the contrary, these embodiments are provided to make the present application more thorough and complete, and to fully convey the scope of the present application to those skilled in the art.

[0038] It should be understood that although the terms "first", "second", "third", etc. may be used in the present application to describe various information, such information should not be limited to these terms. These terms are only used to distinguish information of the same type from each other. For example, without departing from the scope of the present application, the first information may also be referred to as the second information, and similarly, the second information may also be referred to as the first information. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present application, "a plurality" means two or more unless otherwise specifically defined.

[0039] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation of the present application.

[0040] Unless otherwise clearly specified and limited, the terms "mounted", "connected", "connected to", "fixed", etc. should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0041] Since most measuring board rulers are of an integral structure with a fixed length, the length of the measuring board ruler cannot be adjusted during use, which has certain limitations when used in a narrow space. At the same time, due to the long length of the measuring board ruler, it is also very inconvenient to carry.

[0042] To solve the problem that the measuring board ruler is long and inconvenient to carry, there are some foldable measuring board rulers on the market at present. However, for the existing foldable measuring board rulers, most of them cannot be well fixed after being unfolded, and there is a problem of insufficient fixing stability after unfolding, which cannot meet the fixed measurement requirements during exploration construction and may affect the measurement accuracy and efficiency.

[0043] In view of the above problems, the embodiment of the present application provides a foldable measuring board ruler, which can facilitate measurement operations in a narrow space, can stably fix the measuring board ruler after unfolding, and ensure the measurement accuracy and efficiency.

[0044] The technical solutions of the embodiments of the present application are described in detail below with reference to the accompanying drawings.

[0045] Figure 1 is an overall structural schematic diagram of the measuring board ruler shown in the embodiment of the present application;

[0046] Figure 2 is a top view structural schematic diagram of the measuring board ruler shown in the embodiment of the present application;

[0047] Figure 3 is an overall structural schematic diagram of the connection fixing device shown in the embodiment of the present application.

[0048] See Figures 1-3 , a foldable measuring board ruler, including:

[0049] A measuring board ruler 1, which includes two board rulers 110 and a rotating hinge 2. The rotating hinge 2 connects and fixes the two board rulers 110 to form a foldable measuring board ruler 1. A measuring scale 111 is provided on the upper surface of the board ruler 110.

[0050] In this embodiment, by setting the rotating hinge 2 to connect and fix the two board rulers 110 to form a foldable measuring board ruler 1, it is convenient to perform measurement operations in a narrow space, adapt to various measurement requirements. At the same time, the volume of the folded measuring board ruler 1 is small and it is convenient to carry.

[0051] Specifically: A number of protective grooves 112 are arranged in an array on the upper surface of the board ruler 110. Anti-slip textures are provided on the inner walls of the protective grooves 112.

[0052] In this embodiment, by setting the protective grooves 112, it is convenient for the operator to hold the measuring board ruler 1 and convenient to carry. At the same time, by setting anti-slip textures on the inner walls of the protective grooves 112, the holding stability can be further increased.

[0053] Two groups of connection fixing devices 3 are respectively arranged and installed on the left and right side walls of the measuring board ruler 1.

[0054] The connecting and fixing device 3 includes: a first support frame 310, a second support frame 320 and a fixed pin block 330. The first support frame 310 and the second support frame 320 have the same structural composition, wherein the first support frame 310 and the second support frame 320 are respectively arranged and installed on the side walls of the two rulers 110.

[0055] The first support frame 310 includes: a first connecting bracket 311 , a first connecting rod 312 , a second connecting bracket 313 , a first sliding connecting rod 314 , a first spring 315 and a first fixing bolt 316 .

[0056] A first positioning rod 3111 is disposed on the side wall of the first connecting bracket 311 , and a positioning hole corresponding to the first positioning rod 3111 is disposed on the side wall of the ruler 110 .

[0057] The first connecting bracket 311 is provided with a latch groove 3112 for installing the fixing latch block 330 .

[0058] Specifically: the pin groove 3112 on the first connecting bracket 311 is a T-shaped groove, and the pin grooves 3112 on the two first connecting brackets 311 form an I-shaped pin groove; the fixed pin block 330 is an I-shaped pin block, and the fixed pin block 330 is inserted into the I-shaped pin groove formed by the two pin grooves 3112 to connect and fix the two first connecting brackets 311.

[0059] Specifically: a handle bar 331 is provided on the top of the fixed latch block 330 .

[0060] One end of the first connecting rod 312 is rotatably connected to the first connecting bracket 311 , and the other end of the first connecting rod 312 is rotatably connected to the second connecting bracket 313 .

[0061] An upper sliding block 3131 is disposed on the side wall of the second connecting bracket 313 , a sliding groove 1101 corresponding to the sliding block 3131 is disposed on the side wall of the board ruler 110 , and the second connecting bracket 313 is disposed and installed in the sliding groove 1101 .

[0062] One end of the first sliding connecting rod 314 is fixedly connected to the second connecting bracket 313 .

[0063] The first sliding connecting rod 314 is a telescopic rod. A first spring baffle 3141 is disposed on the first sliding connecting rod 314 . The first spring 315 is disposed and installed on the first sliding connecting rod 314 and is located at the rear end of the first spring baffle 3141 .

[0064] A first fixing plate 3142 is disposed at the top end of the first sliding connecting rod 314 , and a first fixing through hole for installing a first fixing bolt 316 is disposed on the first fixing plate 3142 .

[0065] Six fixing threaded holes 113 are provided on the side wall of the board ruler 110 , and the first fixing bolt 316 passes through the first fixing through hole and is installed in the fixing threaded hole 113 to achieve fixed connection between the first sliding connecting rod 314 and the side plate.

[0066] The installation process of the connecting and fixing device 3 in this embodiment is as follows:

[0067] First, the first connecting bracket 311, the first connecting rod 312, the second connecting bracket 313, the first sliding connecting rod 314 and the first spring 315 are installed and connected;

[0068] Then install the second connecting bracket 313 into the slide groove 1101 on the side wall of the board ruler 110;

[0069] Then, insert the first positioning rod 3111 on the first connecting bracket 311 into the positioning hole of the board ruler 110;

[0070] Finally, the first fixing bolt 316 is passed through the first fixing through hole and fixedly installed on the fixing threaded hole 113 on the side wall of the board ruler 110, thereby completing the installation of a connecting and fixing device 3.

[0071] In this embodiment, after unfolding the measuring board ruler 1, by installing the first support frame 310 and the second support frame 320 on the side walls of the two board rulers 110 respectively, the first support frame 310 and the second support frame 320 can be connected and fixed by inserting the fixed latch block 330 into the two first connecting brackets 311 to form an I-shaped latch groove, and then by adjusting the installation position of the first fixing bolt 316, the first spring 315 can fix and tighten the first sliding connecting rod 314, so that the first support frame 310 and the second support frame 320 remain fixed, and the unfolded measuring board ruler 1 is stably fixed, which can effectively prevent the measuring board ruler 1 from loosening during the measurement process, and ensure the accuracy and efficiency of the measurement. At the same time, the connection and fixing device 3 in the embodiment of the present application is easy to use. When the measuring board ruler 1 needs to be folded, it is only necessary to pull out the fixed latch block 330. It is suitable for exploration and measurement scenes that require frequent use and movement, and can improve the measurement efficiency.

[0072] The technical solution provided by the embodiment of the present application includes the following beneficial effects:

[0073] The foldable measuring ruler of the present application can facilitate measurement operations in a small space and meet various measurement needs. At the same time, the folded measuring ruler 1 is small in size and easy to carry.

[0074] For the foldable measuring board ruler of the present application, after unfolding the measuring board ruler 1 and installing the first support frame 310 and the second support frame 320 on the side walls of the two board rulers 110 respectively, insert the fixed pin block 330 into the I-shaped pin slot formed by the two pin grooves 3112 to connect and fix the first support frame 310 and the second support frame 320, so as to realize the stable fixation of the unfolded measuring board ruler 1, effectively prevent the measuring board ruler 1 from loosening during the measurement process, and ensure the accuracy and efficiency of the measurement.

[0075] The connection and fixation device 3 of the present application is convenient to use. When it is necessary to fold the measuring board ruler 1, just pull out the fixed pin block 330. It is suitable for exploration and measurement scenarios that require frequent use and movement, and can improve the measurement efficiency.

[0076] Finally, it should also be noted that in this article, relationships such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the term "including", "comprising" or any other variant is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.

[0077] The embodiments of the present application have been described above. The above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes are obvious to those of ordinary skill in the art in the technical field without departing from the scope and spirit of the described embodiments. The choice of terms used herein is intended to best explain the principles of the embodiments, practical applications or improvements to the technologies in the market, or to enable other ordinary skill in the art in the technical field to understand the embodiments disclosed herein.

Claims

1. A foldable measuring ruler, characterized in that: include: A measuring ruler (1), the measuring ruler (1) comprising two rulers (110) and a rotating hinge (2), The rotating hinge (2) connects and fixes two board rulers (110) to form a foldable measuring board ruler (1), and the upper surface of the board ruler (110) is provided with a measuring scale (111); At least one set of connecting and fixing devices (3), the connecting and fixing devices (3) comprising: a first support frame (310), a second support frame (320) and a fixed latch block (330), the first support frame (310) and the second support frame (320) having the same structural composition, wherein the first support frame (310) and the second support frame (320) are respectively arranged and installed on the side walls of two board rulers (110); The first support frame (310) comprises: a first connecting bracket (311), a first connecting rod (312), a second connecting bracket (313), a first sliding connecting rod (314), a first spring (315) and a first fixing bolt (316); The side wall of the first connecting bracket (311) is provided with a first positioning rod (3111), and the side wall of the board ruler (110) is provided with a positioning hole corresponding to the first positioning rod (3111); The first connecting bracket (311) is provided with a latch groove (3112) for installing the fixed latch block (330); One end of the first connecting rod (312) is rotatably connected to the first connecting bracket (311), and the other end of the first connecting rod (312) is rotatably connected to the second connecting bracket (313); An upper sliding block (3131) is disposed on the side wall of the second connecting bracket (313), a sliding groove (1101) corresponding to the sliding block (3131) is disposed on the side wall of the board ruler (110), and the second connecting bracket (313) is disposed and installed in the sliding groove (1101); One end of the first sliding connecting rod (314) is fixedly connected to the second connecting bracket (313); The first sliding connecting rod (314) is a telescopic rod, the first sliding connecting rod (314) is provided with a first spring baffle (3141), and the first spring (315) is arranged and installed on the first sliding connecting rod (314) and is located at the rear end of the first spring baffle (3141); A first fixing plate (3142) is provided at the top end of the first sliding connecting rod (314), and a first fixing through hole for installing a first fixing bolt (316) is provided on the first fixing plate (3142); At least one fixing threaded hole (113) is provided on the side wall of the plate ruler (110), and the first fixing bolt (316) passes through the first fixing through hole and is installed in the fixing threaded hole (113) to achieve fixed connection between the first sliding connecting rod (314) and the side plate.

2. The foldable measuring ruler according to claim 1, characterized in that: The latch groove (3112) on the first connecting bracket (311) is a T-shaped groove, and the latch grooves (3112) on the two first connecting brackets (311) form an I-shaped latch groove; The fixed latch block (330) is an I-shaped latch block, and the fixed latch block (330) is inserted into the I-shaped latch groove formed by the two latch grooves (3112) to connect and fix the two first connection brackets (311).

3. The foldable measuring ruler according to claim 2, characterized in that: A handle bar (331) is provided on the top of the fixed latch block (330).

4. The foldable measuring ruler according to any one of claims 1 or 3, characterized in that: The upper surface of the ruler (110) is provided with a plurality of protective grooves (112) in an array.

5. The foldable measuring ruler according to claim 4, characterized in that: The inner wall of the protective groove (112) is provided with an anti-slip texture.

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