Land surveying tool convenient for storage and use

Abstract

The utility model relates to land surveying and mapping technical field, and disclose a land surveying and mapping tool convenient to store and use, including surveying and mapping tool, the surveying and mapping tool includes range finder body and range wheel, range wheel rotation is installed on range finder body one side, the bottom fixed mounting of range finder body has connecting rod no.

Description

Technical Field

[0001] This utility model relates to the field of land surveying technology, and in particular to a land surveying tool that is easy to store and use. Background Technology

[0002] When conducting land surveying, a distance measuring wheel is required for measurements when it is necessary to quickly assess the area, verify on-site distances, or obtain reference data under complex terrain conditions.

[0003] Typical rangefinder wheels are operated manually by hand. The connecting rod of the rangefinder wheel can be extended and adjusted. However, because the rangefinder wheel has components such as sensors and usually has an LCD display screen for the operator to read data, there is no protective structure to effectively protect the components when the rangefinder wheel is not in use. In addition, the rangefinder wheel takes up a lot of space and is not convenient to carry and store.

[0004] Therefore, we propose a land surveying tool that is easy to store and use. Utility Model Content

[0005] The present invention aims to solve the technical problems existing in the prior art and provide a land surveying tool that is easy to store and use.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a land surveying tool that is easy to store and use, comprising a surveying tool, the surveying tool comprising a rangefinder body and a rangefinder wheel, the rangefinder wheel being rotatably mounted on one side of the rangefinder body, a connecting rod one being fixedly mounted on the bottom of the rangefinder body, a connecting rod two being rotatably mounted on the connecting rod one, the rangefinder wheel being rotatably mounted on the connecting rod two, an adjustment and limiting assembly including a bevel gear one and a bevel gear two being provided on the connecting rod one, and a protective storage assembly including a housing one and a housing two being provided on the rangefinder body;

[0007] The first housing is located on the outside of the measuring wheel, the second housing is located on one side of the first housing, and the third housing is located on the lower side of the second housing.

[0008] The first bevel gear is rotatably mounted on the first connecting rod, which is rotatably mounted inside the third housing. The first bevel gear is fixedly connected to the second connecting rod via a connecting shaft. The second bevel gear is rotatably mounted on one side of the first bevel gear, and the second bevel gear meshes with the first bevel gear.

[0009] Preferably, the adjusting limit assembly further includes an extension shaft, which is fixedly installed on the top of the bevel gear two. A rotating plate is fixedly installed on the top of the extension shaft. A mounting bracket is fixedly installed on the housing three. Bolts are threadedly connected to the mounting bracket. A threaded sleeve is fixedly installed on the top of the rotating plate at the position corresponding to the bolts.

[0010] Preferably, the housing three is fixedly mounted on the connecting rod one, and the protective storage assembly also includes two magnetic strips, which are fixedly mounted on adjacent surfaces of housing one and housing two respectively, and the magnetic strips on housing one and housing two are compatible.

[0011] Preferably, the protective storage assembly also includes a fixed shaft, which is fixedly installed on the side of the measuring wheel away from the connecting rod 2. A through hole is provided on the housing 1 at the position corresponding to the measuring wheel. The fixed shaft passes through the inside of the through hole and extends to the outside of the through hole. Two anti-detachment blocks are symmetrically slidably installed on the fixed shaft.

[0012] Preferably, the fixed shaft has a groove for installing the anti-detachment block, the anti-detachment block is slidably installed inside the groove, and a spring is fixedly installed inside the groove, with one end of the spring extending outward from the groove and fixedly connected to the anti-detachment block.

[0013] Preferably, the measuring wheel is provided with a protective sleeve, which is composed of a circular bushing and four arc-shaped plates. The measuring wheel has four notches that match the four arc-shaped plates in the protective sleeve.

[0014] Preferably, four fixing blocks are slidably installed on the side of the housing away from the rangefinder body. A connecting groove is provided on the sleeve corresponding to the position of the fixing blocks. The fixing blocks can be slidably pushed into the interior of the connecting groove. The fixing blocks are connected to the interior of the connecting groove by bolt threads.

[0015] This utility model provides a land surveying tool that is easy to store and use. Compared with the prior art, it has the following improvements and advantages: By setting an adjustment limit component, the angle of the measuring wheel can be adjusted by rotating it during measurement. When not in use, the measuring wheel can be rotated to a folded state for easy carrying of the surveying tool. After the measuring wheel is rotated into place, it is connected to the threaded sleeve by a rotating bolt and the position of the connecting rod is fixed by the meshing of bevel gear two and bevel gear one, thereby improving the use effect. Attached Figure Description

[0016] To more clearly illustrate the embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following description are merely exemplary, and those skilled in the art can derive other embodiments based on the provided drawings without creative effort.

[0017] Figure 1 A schematic diagram of a land surveying tool that is easy to store and use, as proposed in this utility model;

[0018] Figure 2A schematic diagram illustrating the installation of an adjustable limit component in a land surveying tool that is easy to store and use, as proposed in this utility model.

[0019] Figure 3 A schematic diagram of the adjustable limit component in a land surveying tool that is easy to store and use, as proposed in this utility model;

[0020] Figure 4 A schematic diagram illustrating the installation of a protective sleeve in a land surveying tool that is easy to store and use, as proposed in this utility model.

[0021] Figure 5 A schematic diagram showing the working state of a land surveying tool that is easy to store and use according to the structure of this utility model;

[0022] Figure 6 for Figure 3 Enlarged view of point A in the middle;

[0023] Figure 7 A schematic diagram illustrating the installation of a magnetic strip in a land surveying tool that is easy to store and use, as proposed in this utility model.

[0024] Figure 8 This is a schematic diagram of the fixed axis structure in a land surveying tool that is easy to store and use, as proposed in this utility model.

[0025] Legend:

[0026] 1. Rangefinder body; 2. Housing 1; 3. Housing 2; 4. Housing 3; 5. Connecting rod 1; 6. Connecting rod 2; 7. Bevel gear 1; 8. Bevel gear 2; 9. Extension shaft; 10. Rotating plate; 11. Rangefinder wheel; 12. Protective sleeve; 13. Fixing block; 14. Fixing shaft; 15. Bolt; 16. Threaded sleeve; 17. Magnetic strip; 18. Anti-detachment block; 19. Spring. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] A land surveying tool that is easy to store and use, such as Figure 1 - Figure 8As shown, the surveying tool includes a rangefinder body 1 and a rangefinder wheel 11. The rangefinder wheel 11 is rotatably mounted on one side of the rangefinder body 1. The rangefinder body 1 is equipped with a counter, an LCD display, a processor, and a built-in power supply. The built-in power supply provides power. The counter consists of a magnetic induction sensor and a magnetic block. The counter is used to count the number of rotations of the rangefinder wheel 11. The LCD display is used to display data, and the processor is used for data processing. During measurement, the rangefinder wheel 11 is manually pushed, and the counter calculates the number of rotations of the rangefinder wheel 11. Given the circumference of the rangefinder wheel 11, the rangefinder wheel 11 is used to calculate the number of rotations. The processor calculates the distance based on the number of rotations of the ranging wheel 11 and its circumference, and displays the data on an LCD screen (this ranging method is a publicly available technology; for the specific ranging principle, refer to publication number CN220829175U, "A Low-Power Bluetooth Ranging Wheel"). A protective sleeve 12 is provided on the outside of the ranging wheel 11, covering its outer circular wall. The sleeve 12 consists of a circular bushing and four arc-shaped plates. The ranging wheel 11 has four recesses that match the four arc-shaped plates in the sleeve 12. A sliding surface is located on the side of the housing 2 away from the rangefinder body 1. The rangefinder body 1 is equipped with four fixed locking blocks 13. A connecting groove is provided on the sleeve 12 corresponding to the fixed locking blocks 13. The fixed locking blocks 13 can slide into the connecting groove and are threadedly connected to the connecting groove by bolts 15. A connecting rod 1 5 is fixedly installed at the bottom of the rangefinder body 1. A connecting rod 2 6 is rotatably installed on the connecting rod 1 5. The ranging wheel 11 is rotatably installed on the connecting rod 2 6. An adjustment limit component is provided on the connecting rod 1 5. The adjustment limit component can fix the angle of the ranging wheel 11 after angle adjustment, facilitating operation and subsequent storage and carrying. The body 1 is equipped with a protective storage component, which is used to store and protect the LCD display screen and the measuring wheel 11 on the rangefinder body 1. When no measurement work is required, the protective storage component can be used to protect and store the surveying tools. With the setting of the adjustment limit component, the angle of the measuring wheel 11 is adjustable. The operator can adjust the angle of the measuring wheel 11 according to personal usage habits to facilitate the operator's hand holding. At the same time, when storing the surveying tools later, the adjustment component can be used to assist in storing the surveying tools to the storage state. In addition, the protective storage component can store and protect the surveying tools for easy carrying.

[0029] Furthermore, the protective and storage assembly includes a housing 1 (2), which is located on the outside of the ranging wheel 11 and can be stored inside the housing 1 (2). A housing 2 (3) is located on one side of the housing 1 (2), and the LCD display screen of the rangefinder body 1 can be stored inside the housing 2 (3). A housing 3 (4) is located on the lower side of the housing 2 (3), and is fixedly mounted on the connecting rod 1 (5). Magnetic strips 17 are fixedly mounted on the adjacent surfaces of the housing 2 (3) and the housing 2 (3). The magnetic strips 17 on the housing 1 (2) and the housing 2 (3) are compatible and attract each other. A fixing shaft 14 is fixedly mounted on the side of the ranging wheel 11 away from the connecting rod 2 (6). A through hole is provided on the housing 1 (2) corresponding to the position of the ranging wheel 11. The fixed shaft 14 passes through the interior of the perforation and extends to the outside of the perforation. Two anti-detachment blocks 18 are symmetrically slidably mounted on the fixed shaft 14. The fixed shaft 14 has a groove for mounting the anti-detachment blocks 18. The anti-detachment blocks 18 are slidably mounted inside the groove. A spring 19 is fixedly mounted inside the groove. One end of the spring 19 extending outward from the groove is fixedly connected to the anti-detachment block 18. By setting up a protective storage component, when not measuring, the measuring wheel 11 can be adjusted and folded into a storage state. The housing 11 and housing 2 can cooperate to wrap and protect the surveying tool from the outside. At the same time, the magnetic strip 17, the fixed shaft 14 and the anti-detachment blocks 18 work together to ensure the stability of the wrapping by housing 11 and housing 2, thereby improving the usage effect.

[0030] Furthermore, the adjusting limit assembly includes a bevel gear 7, which is rotatably mounted on a connecting rod 5. The connecting rod 5 is rotatably mounted inside the housing 4. The bevel gear 7 is fixedly connected to the connecting rod 6 via a connecting shaft. A bevel gear 8 is rotatably mounted on one side of the bevel gear 7. The bevel gear 8 is rotatably mounted inside the housing 4 and meshes with the bevel gear 7. An extension shaft 9 is fixedly mounted on the top of the bevel gear 8. The extension shaft 9 is rotatably mounted inside the housing 4. A rotating plate 10 is fixedly mounted on the top of the extension shaft 9. The rotating plate 10 is rotatably mounted inside the housing 4. A [missing information - likely a device or component] is fixedly mounted on the housing 4. The mounting bracket has an L-shaped cross-section and is threaded with bolts 15. A threaded sleeve 16 is fixedly installed on the top of the rotating plate 10 corresponding to the position of bolts 15. Bolts 15 can rotate into the inside of the threaded sleeve 16 and be threadedly connected to the threaded sleeve 16. By setting an adjustment limit component, the angle of the measuring wheel 11 can be adjusted by rotating it during measurement. When not in use, the measuring wheel 11 can be rotated to a folded state for easy carrying of the surveying tool. After the measuring wheel 11 is rotated into place, it is threadedly connected to the threaded sleeve 16 by rotating bolts 15 and the position of the connecting rod 6 is fixed by bevel gear 2 8 meshing with bevel gear 1 7.

[0031] The working principle of this utility model is as follows: When not performing measurement work, the rangefinder body 1 and the range measuring wheel 11 are both housed inside the housing 1 2 and housing 2 3.

[0032] When performing measurement work, remove housing 1 2 and housing 2 3 from the surveying tool. After removal, rotate housing 1 2 to a convenient angle for operation. After adjustment, rotate bolt 15 and threaded sleeve 16 on rotating plate 10 to limit and fix rotating plate 10. After rotating plate 10 is fixed, bevel gear 2 8 is limited. Simultaneously, bevel gear 1 7, which meshes with bevel gear 2 8, is fixed to limit connecting rod 2 6. Then, measurement operation can be performed.

[0033] After the measurement is completed, rotate bolt 15 to unlock it from threaded sleeve 16, rotate and adjust distance measuring wheel 11 to the storage state. After distance measuring wheel 11 is rotated into place, rotate bolt 15 and threaded sleeve 16 to fix distance measuring wheel 11. After fixing, housing 1 2 and housing 2 3 are spliced ​​and wrapped around the outside of distance measuring instrument body 1 and distance measuring wheel 11. The magnetic strips 17 on housing 1 2 and housing 2 3 attract each other, and the anti-detachment block 18 and spring 19 cooperate to fix housing 1 2 and housing 2 3. The entire surveying tool is wrapped inside housing 1 2 and housing 2 3 for easy carrying by the operator.

[0034] 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 land surveying tool that is easy to store and use, comprising a surveying tool, characterized in that: The surveying tool includes a rangefinder body (1) and a rangefinder wheel (11). The rangefinder wheel (11) is rotatably mounted on one side of the rangefinder body (1). A connecting rod 1 (5) is fixedly mounted on the bottom of the rangefinder body (1). A connecting rod 2 (6) is rotatably mounted on the connecting rod 1 (5). The rangefinder wheel (11) is rotatably mounted on the connecting rod 2 (6). An adjustment and limiting assembly including a bevel gear 1 (7) and a bevel gear 2 (8) is provided on the connecting rod 1 (5). A protective and storage assembly including a housing 1 (2) and a housing 2 (3) is provided on the rangefinder body (1). The first housing (2) is located on the outside of the measuring wheel (11), the second housing (3) is located on one side of the first housing (2), and the third housing (4) is located on the lower side of the second housing (3). The first bevel gear (7) is rotatably mounted on the first connecting rod (5), the first connecting rod (5) is rotatably mounted inside the third housing (4), the first bevel gear (7) is fixedly connected to the second connecting rod (6) through the connecting shaft, the second bevel gear (8) is rotatably mounted on one side of the first bevel gear (7), and the second bevel gear (8) meshes with the first bevel gear (7).

2. The land surveying tool that is easy to store and use according to claim 1, characterized in that: The adjustment limit assembly also includes an extension shaft (9), which is fixedly installed on the top of the bevel gear (8). A rotating plate (10) is fixedly installed on the top of the extension shaft (9). A mounting bracket is fixedly installed on the housing (4). A bolt (15) is threadedly connected to the mounting bracket. A threaded sleeve (16) is fixedly installed on the top of the rotating plate (10) at the position corresponding to the bolt (15).

3. The land surveying tool of claim 1, wherein: The housing three (4) is fixedly installed on the connecting rod one (5). The protective storage assembly also includes two magnetic strips (17). The two magnetic strips (17) are fixedly installed on the adjacent surfaces of housing one (2) and housing two (3), respectively. The magnetic strips (17) on housing one (2) and housing two (3) are compatible.

4. The land surveying tool that is easy to store and use according to claim 1, characterized in that: The protective storage assembly also includes a fixed shaft (14), which is fixedly installed on the side of the measuring wheel (11) away from the connecting rod (6). A through hole is provided on the housing (2) corresponding to the position of the measuring wheel (11). The fixed shaft (14) passes through the inside of the through hole and extends to the outside of the through hole. Two anti-detachment blocks (18) are symmetrically slidably installed on the fixed shaft (14).

5. A land surveying tool that is easy to store and use according to claim 4, characterized in that: The fixed shaft (14) has a groove for installing the anti-detachment block (18). The anti-detachment block (18) is slidably installed inside the groove. A spring (19) is fixedly installed inside the groove. One end of the spring (19) extending out of the groove is fixedly connected to the anti-detachment block (18).

6. The land surveying tool that is easy to store and use according to claim 1, characterized in that: The measuring wheel (11) is provided with a protective sleeve (12), which is composed of a circular bushing and four arc plates. The measuring wheel (11) has four notches that are adapted to the four arc plates in the protective sleeve (12).

7. A land surveying tool that is easy to store and use according to claim 6, characterized in that: Four fixing blocks (13) are slidably installed on the side of the housing (2) away from the rangefinder body (1). A connecting groove is provided on the sleeve (12) corresponding to the fixing blocks (13). The fixing blocks (13) can slide into the interior of the connecting groove. The fixing blocks (13) are threadedly connected to the interior of the connecting groove by bolts (15).

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