Telescopic portable quadrat frame for field investigation

Abstract

The utility model discloses a telescopic portable sample square frame for field investigation, which comprises four groups of adjusting components, each adjusting component comprises two first connecting rods, a second connecting rod is connected between the two first connecting rods in a sliding manner, the two adjacent first connecting rods are rotationally connected, and the second connecting rod is connected with the second connecting rod in a sliding manner. First fixing sleeves are fixedly connected to the first connecting rods; the fixing assembly comprises a right-angle fixator, two inserting plates are fixedly connected to the right-angle fixator, the inserting plates are matched with the first fixing sleeves, a positioning pipe is fixedly connected to the right-angle fixator, a positioning rod is inserted into the positioning pipe, and the positioning rod is inserted into the ground. According to the utility model, the size is convenient to adjust, and the device can be fixed on the ground and is prevented from shifting in the use process.

Description

Technical Field

[0001] The utility model relates to the technical field of sample square frames, in particular to a retractable and portable sample square frame for field investigation. Background Art

[0002] A quadrat is a randomly set sampling plot used to investigate the number of plant communities. In field ecological surveys and scientific research activities, the quadrat is an important tool for defining observation areas and facilitating researchers to conduct detailed studies on the biodiversity and ecological environment in a specific area.

[0003] The patent with announcement number CN218916848U in the prior art discloses a portable sample frame for field investigation, including a frame body and a storage component. The frame body includes four connecting tubes with completely identical structures and connected end to end. Every two adjacent connecting tubes are arranged perpendicular to each other so that the four connecting tubes form a square frame. A high elastic belt is provided in the square frame. The high elastic belt is fixedly connected to the side walls of the four connecting tubes. Every two adjacent connecting tubes are movably connected by a telescopic tube. The central section of any connecting tube is provided with a buckle; the storage component includes a storage bag, one end of the storage bag is open, and the open end of the storage bag can be opened and closed. The storage bag is used to store the four connecting tubes, and the outer wall of the storage bag is fixedly connected with a shoulder strap.

[0004] In the above device, when the size of the observation area needs to be adjusted, the connecting tube cannot be extended or retracted, thereby making it impossible to adjust the area of ​​the observation area. Moreover, the above device cannot be fixed on the ground when in use and may move after being accidentally touched. Therefore, a retractable portable field survey sample box is proposed to solve the above problem. Utility Model Content

[0005] The utility model aims to provide a retractable portable sample box for field investigation to solve the problems existing in the above-mentioned prior art. While facilitating the adjustment of the size of the sample box, the sample box can also be fixed to prevent movement caused by accidental touching during use.

[0006] To achieve the above-mentioned purpose, the utility model provides the following solution: The utility model provides a retractable portable field survey sample box, comprising:

[0007] An adjustment assembly, wherein the number of the adjustment assemblies is four, and the adjustment assembly comprises two first connecting rods, a second connecting rod is slidably connected between the two first connecting rods, the two adjacent first connecting rods are rotatably connected, and a first fixing sleeve is fixedly connected to each of the first connecting rods;

[0008] A fixing component, the fixing component includes a right-angle fixer, two plug plates are fixedly connected to the right-angle fixer, the plug plates are adapted to the first fixing sleeve, a positioning tube is fixedly connected to the right-angle fixer, a positioning rod is inserted into the positioning tube, and the positioning rod is inserted into the ground.

[0009] Preferably, among two adjacent first connecting rods, one of the first connecting rods is fixedly connected to two first circular tubes, and the other first connecting rod is fixedly connected to a second circular tube, the second circular tube is located between the two first circular tubes, and the first circular tube and the second circular tube are rotatably connected.

[0010] Preferably, screws are inserted into the first round tube and the second round tube, and nuts are threadedly connected to the screws.

[0011] Preferably, the first round tube and the first connecting rod are fixedly connected via a first fixing block, and the second round tube and the first connecting rod are fixedly connected via a second fixing block.

[0012] Preferably, the first connecting rod is fixedly connected to a second fixing sleeve, the second connecting rod is fixedly connected to a third fixing sleeve, the first connecting rod of the same adjusting assembly is inserted into the third fixing sleeve, the first connecting rod is slidably arranged in the third fixing sleeve, the second connecting rod of the same adjusting assembly is inserted into the second fixing sleeve, and the second connecting rod is slidably arranged in the second fixing sleeve.

[0013] Preferably, both the first connecting rod and the second connecting rod are provided with scales.

[0014] The utility model discloses the following technical effects: in the device, four groups of adjustment components are surrounded by a sample square frame, two adjacent first connecting rods in two adjacent groups of adjustment components can be rotated for easy adjustment, the plug plate is inserted into the first fixing sleeve, and the right-angle fixer cooperates with the first fixing sleeve through the plug plate, so that the two adjacent first connecting rods are 90 degrees, the positioning rod is inserted into the positioning tube, and then inserted into the ground, so as to prevent the device from moving, and when the use is completed, the four groups of adjustment components are completely separated for easy carrying. The utility model is not only convenient for adjusting the size, but also can be fixed on the ground to avoid displacement during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0016] Figure 1 A top view of the retractable portable sample box for field investigation of the utility model;

[0017] Figure 2 for Figure 1 A partial enlarged schematic diagram of middle a;

[0018] Figure 3 It is the right angle fixture of the utility model;

[0019] Figure 4 This is a schematic diagram of the connection state of two adjacent first connecting rods of the utility model;

[0020] Among them, 1. first connecting rod; 2. second connecting rod; 3. first fixing sleeve; 4. right-angle fixer; 5. plug-in plate; 6. positioning tube; 7. positioning rod; 8. first round tube; 9. second round tube; 10. screw; 11. nut; 12. first fixing block; 13. second fixing block; 14. second fixing sleeve; 15. third fixing sleeve. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0023] Reference Figure 1-4 The utility model provides a retractable portable sample box for field investigation, comprising:

[0024] Adjustment components, the number of adjustment components is four groups, the adjustment components include two first connecting rods 1, a second connecting rod 2 is slidably connected between the two first connecting rods 1, two adjacent first connecting rods 1 are rotatably connected, and a first fixing sleeve 3 is fixedly connected to each of the first connecting rods 1;

[0025] The fixing component includes a right-angle fixer 4, on which two plug plates 5 are fixedly connected, the plug plates 5 are adapted to the first fixing sleeve 3, and on the right-angle fixer 4, a positioning tube 6 is fixedly connected, in which a positioning rod 7 is inserted, and the positioning rod 7 is inserted into the ground.

[0026] In the device, four groups of adjustment components form a square frame, and two adjacent first connecting rods 1 in two adjacent groups of adjustment components can be rotated for easy adjustment. The plug plate 5 is inserted into the first fixing sleeve 3, and the right-angle fixer 4 cooperates with the first fixing sleeve 3 through the plug plate 5, so that the two adjacent first connecting rods 1 are at 90°. The positioning rod 7 is inserted into the positioning tube 6 and then inserted into the ground to prevent the device from moving. After use, the four groups of adjustment components are completely separated for easy carrying.

[0027] According to a further optimization scheme, among two adjacent first connecting rods 1, one of the first connecting rods 1 is fixedly connected with two first circular tubes 8, and the other first connecting rod 1 is fixedly connected with a second circular tube 9, the second circular tube 9 is located between the two first circular tubes 8, and the first circular tube 8 and the second circular tube 9 are rotatably connected.

[0028] The two adjacent first connecting rods 1 are rotatably connected by the rotatable connection between the first round tube 8 and the second round tube 9 .

[0029] According to a further optimized solution, screws 10 are inserted into the first round tube 8 and the second round tube 9 , and nuts 11 are threadedly connected to the screws 10 .

[0030] The screw 10 penetrates into the first round tube 8 and the second round tube 9. There is no thread in the first round tube 8 and the second round tube 9. The screw 10 can rotate in the first round tube 8 and the second round tube 9. The nut 11 is used to lock the screw 10 to prevent the screw 10 from escaping from the first round tube 8 and the second round tube 9.

[0031] According to a further optimized solution, the first round tube 8 and the first connecting rod 1 are fixedly connected via a first fixing block 12 , and the second round tube 9 and the first connecting rod 1 are fixedly connected via a second fixing block 13 .

[0032] The first fixing block 12 connects the first round tube 8 and the first connecting rod 1 together, and the second fixing block 13 connects the second round tube 9 and the first connecting rod 1 together.

[0033] A further optimized solution is that a second fixing sleeve 14 is fixedly connected to the first connecting rod 1, a third fixing sleeve 15 is fixedly connected to the second connecting rod 2, the first connecting rod 1 of the same adjusting component is inserted into the third fixing sleeve 15, the first connecting rod 1 is slidably arranged in the third fixing sleeve 15, the second connecting rod 2 of the same adjusting component is inserted into the second fixing sleeve 14, and the second connecting rod 2 is slidably arranged in the second fixing sleeve 14.

[0034] In the same adjustment assembly, the first connecting rod 1 slides in the third fixing sleeve 15, and the second connecting rod 2 slides in the second fixing sleeve 14, thereby realizing the sliding connection between the first connecting rod 1 and the second connecting rod 2.

[0035] According to a further optimized solution, scales are provided on both the first connecting rod 1 and the second connecting rod 2 .

[0036] The scale makes it easy to observe the size of the sample box.

[0037] The method of using the device is as follows: in the designated observation area, insert the screw 10 into the first round tube 8 and the second round tube 9, and connect the nut 11 to the screw 10, unfold the device, pull the first connecting rod 1 and the second connecting rod 2, adjust the sample frame to the required size, and then insert the plug plate 5 on the right-angle fixer 4 into the first fixing sleeve 3, and then insert the positioning rod 7 into the positioning tube 6, so as to fix the device on the ground. When use is completed, remove the nut 11 and the screw 10 to completely separate the four groups of adjustment components for easy carrying.

[0038] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0039] The embodiments described above are only descriptions of the preferred methods of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope determined by the claims of the present invention.

Claims

1. A retractable and portable sample box for field investigation, characterized in that ,include: An adjustment assembly, wherein the number of the adjustment assemblies is four, and the adjustment assembly comprises two first connecting rods (1), a second connecting rod (2) is slidably connected between the two first connecting rods (1), the two adjacent first connecting rods (1) are rotationally connected, and a first fixing sleeve (3) is fixedly connected to each of the first connecting rods (1); A fixing assembly, the fixing assembly comprising a right-angle fixing device (4), two plug plates (5) being fixedly connected to the right-angle fixing device (4), the plug plates (5) being adapted to the first fixing sleeve (3), a positioning tube (6) being fixedly connected to the right-angle fixing device (4), a positioning rod (7) being inserted into the positioning tube (6), and the positioning rod (7) being inserted into the ground.

2. The retractable portable field survey sample frame according to claim 1, characterized in that: Among two adjacent first connecting rods (1), one of the first connecting rods (1) is fixedly connected to two first circular tubes (8), and the other of the first connecting rods (1) is fixedly connected to a second circular tube (9), the second circular tube (9) is located between the two first circular tubes (8), and the first circular tube (8) and the second circular tube (9) are rotatably connected.

3. The retractable portable field survey sample frame according to claim 2, characterized in that: Screws (10) are inserted into the first round tube (8) and the second round tube (9), and nuts (11) are threadedly connected to the screws (10).

4. The retractable and portable field survey sampling frame according to claim 3, characterized in that: The first round tube (8) and the first connecting rod (1) are fixedly connected via a first fixing block (12), and the second round tube (9) and the first connecting rod (1) are fixedly connected via a second fixing block (13).

5. The retractable and portable field survey sampling frame according to claim 1, characterized in that: The first connecting rod (1) is fixedly connected to a second fixing sleeve (14), the second connecting rod (2) is fixedly connected to a third fixing sleeve (15), the first connecting rod (1) of the same adjusting component is inserted into the third fixing sleeve (15), the first connecting rod (1) is slidably arranged in the third fixing sleeve (15), the second connecting rod (2) of the same adjusting component is inserted into the second fixing sleeve (14), and the second connecting rod (2) is slidably arranged in the second fixing sleeve (14).

6. The retractable and portable field survey sampling frame according to claim 1, characterized in that: The first connecting rod (1) and the second connecting rod (2) are both provided with scales.

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