Auxiliary tool for laser range finder

Abstract

The utility model discloses an auxiliary tool for a laser range finder, which belongs to the technical field of engineering surveying and comprises a range finder main body, an upper protective shell and a lower protective shell are arranged outside the range finder main body, connecting strips are symmetrically arranged on the lower protective shell in the direction of the upper protective shell, and concave parts are arranged at positions, corresponding to the connecting strips, of the upper protective shell. A connecting structure is arranged between the concave part and the connecting strip, a reflecting film is arranged on the end face, close to the range finder body, of the lower protective shell, the lower protective shell can rotate around the upper protective shell to the position where the lower protective shell is perpendicular to the upper protective shell, and a concave area for avoiding the connecting strip is arranged at the rotating position of the upper protective shell along the connecting strip. According to the auxiliary tool for the laser range finder, the lower protective shell and the upper protective shell are detached, the lower protective shell is rotated to be perpendicular to each other, laser is emitted to the reflecting film, and the measurement gap of the laser range finder is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to engineering measurement technical field, concretely is a kind of auxiliary tool for laser range finder. BACKGROUND

[0002] Laser range finder is the instrument for measuring the distance of target using the parameter of modulated laser, the measurement range of existing laser range finder is about 3.5-5000 meters.

[0003] The existing laser range finder is used, especially in the face of rough wall, laser will occur diffuse reflection on wall, it is easy to cause the laser signal of reflected laser range finder to weaken or direction change, to make the measurement result produce error.

[0004] Therefore, a new scheme needs to be proposed to solve the problem. UTILITY MODEL CONTENT

[0005] The utility model aims at solving the problems in prior art and provides an auxiliary tool for laser range finder.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an auxiliary tool for laser range finder, including range finder main body, the range finder main body is provided with upper shell and lower shell outward, the lower shell is symmetrically provided with connecting strip to the direction of upper shell, the upper shell is provided with recess portion in the position of connecting strip, the recess portion is provided with connecting structure between connecting strip, the end face of lower shell is provided with reflecting film close to range finder main body, the lower shell can rotate to the position that lower shell and upper shell are perpendicular to each other around upper shell, the upper shell is provided with recessed area avoiding connecting strip in the rotating position of connecting strip.

[0007] The utility model is further provided as follows: the connecting structure includes sliding groove provided on the connecting strip and positioning shaft fixedly provided in the recess portion, and the sliding groove can move along the positioning shaft.

[0008] The utility model is further provided as follows: the recess portion is provided with fixing part that can buckle connecting strip and recess portion.

[0009] The utility model is further provided as follows: the both ends of sliding groove are provided with recess groove that makes positioning shaft slide into and clamps positioning shaft.

[0010] The utility model is further provided as follows: the end face of upper shell and lower shell away from range finder main body is provided with elastic telescopic belt connecting both.

[0011] The utility model is further provided as follows: the end face of lower shell close to the charging port of range finder main body is rotatably provided with charging protection cover that can cover charging port.

[0012] In summary, this utility model has the following beneficial effects: by disassembling the lower protective shell and the upper protective shell, and by rotating the lower protective shell to make the lower protective shell perpendicular to each other, the laser is directed towards the reflective film, thereby reducing the measurement gap of the laser rangefinder. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of the present invention. Figure 1 ;

[0014] Figure 2 This is a schematic diagram of the structure of the present invention. Figure 2 ;

[0015] Figure 3 This utility model Figure 2 Enlarged view of the structure at point A in the middle;

[0016] Figure 4 This is a schematic diagram illustrating the use of this utility model.

[0017] In the diagram: 1. Rangefinder body; 2. Upper protective shell; 21. Recess; 22. Positioning shaft; 23. Recessed area; 3. Lower protective shell; 31. Connecting strip; 4. Sliding groove; 41. Groove; 5. Fixing component; 6. Reflective film; 7. Elastic telescopic belt; 8. Charging protection cover. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. In the description of the present utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0019] An auxiliary tool for a laser rangefinder, such as Figures 1-4 As shown, the device includes a rangefinder body 1, an upper protective shell 2 and a lower protective shell 3. A connecting strip 31 is symmetrically arranged on the lower protective shell 3 towards the upper protective shell 2. A recess 21 is provided on the upper protective shell 2 corresponding to the position of the connecting strip 31. A connecting structure is provided between the recess 21 and the connecting strip 31. A reflective film 6 is provided on the end face of the lower protective shell 3 near the end face of the rangefinder body 1. The lower protective shell 3 can rotate around the upper protective shell 2 to a position where the lower protective shell 3 and the upper protective shell 2 are perpendicular to each other. A recessed area 23 is provided on the upper protective shell 2 along the rotation position of the connecting strip 31 to avoid the connecting strip 31.

[0020] Practical effect: the lower shell 3 and the upper shell 2 are disassembled, and the lower shell 3 is rotated to make the lower shell 3 perpendicular to the lower shell 3, the laser is shot to the reflecting film 6, and the measurement gap of the laser range finder is reduced.

[0021] As shown in Figures 1-4 The connecting structure includes a sliding groove 4 arranged on the connecting strip 31 and a positioning shaft 22 fixedly arranged in the recess 21, the sliding groove 4 can move along the positioning shaft 22, and in use, the lower shell 3 and the upper shell 2 relatively slide through the sliding groove 4 and the positioning shaft 22.

[0022] As shown in Figures 1-4 The recess 21 is provided with a fixing piece 5 capable of buckling the connecting strip 31 and the recess 21, the movement of the lower shell 3 and the upper shell 2 is limited through the fixing piece 5, and the connection effect of the lower shell 3 and the upper shell 2 in use is ensured.

[0023] As shown in Figures 1-4 Both ends of the sliding groove 4 are provided with grooves 41 for sliding and clamping the positioning shaft 22, the movement distance of the lower shell 3 is limited through the grooves 41, the lower shell 3 can rotate at the grooves 41, and the measurement work of the laser range finder is facilitated.

[0024] As shown in Figures 1-4 The end face of the upper shell 2 and the lower shell 3 away from the range finder main body 1 is provided with an elastic expansion belt 7 connecting the two, the connection of the lower shell 3 and the upper shell 2 is further strengthened, and the lower shell 3 and the upper shell 2 are prevented from being completely disassembled in use.

[0025] As shown in Figures 1-4 The end face of the lower shell 3 close to the charging port of the range finder main body 1 is rotationally provided with a charging protection cover 8 capable of covering the charging port, the charging area of the range finder main body 1 is protected through the charging protection cover 8, and the range finder main body 1 is more practical.

[0026] It is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0027] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes every feature described. The specification can include implicit combinations of explicitly mentioned features and / or explicit combinations of implicitely mentioned features. Each embodiment depends on the explicit combinations of features and / or the implicit combinations of features made specifically within that embodiment, and each such embodiment can be combined with every other such embodiment to create further embodiments.

Claims

1. An auxiliary tool for a laser rangefinder, comprising a rangefinder body (1), characterized in that: The rangefinder body (1) is provided with an upper protective shell (2) and a lower protective shell (3). The lower protective shell (3) is symmetrically provided with connecting strips (31) in the direction of the upper protective shell (2). The upper protective shell (2) is provided with a recess (21) at the position corresponding to the connecting strip (31). A connecting structure is provided between the recess (21) and the connecting strip (31). The lower protective shell (3) is provided with a reflective film (6) on the end face of the rangefinder body (1) near the lower protective shell (2). The lower protective shell (3) can rotate around the upper protective shell (2) to a position where the lower protective shell (3) and the upper protective shell (2) are perpendicular to each other. The upper protective shell (2) is provided with a recessed area (23) that avoids the connecting strip (31) at the rotation position along the connecting strip (31).

2. The auxiliary tool for a laser rangefinder according to claim 1, characterized in that: The connection structure includes a sliding groove (4) provided on the connecting strip (31) and a positioning shaft (22) fixedly provided in the recess (21). The sliding groove (4) can move along the positioning shaft (22).

3. The auxiliary tool for a laser rangefinder according to claim 2, characterized in that: The recess (21) is provided with a fastener (5) that can fasten the connecting strip (31) and the recess (21).

4. An auxiliary tool for a laser rangefinder according to claim 2, characterized in that: Both ends of the sliding groove (4) are provided with grooves (41) for the positioning shaft (22) to slide into and lock the positioning shaft (22).

5. An auxiliary tool for a laser rangefinder according to claim 1, characterized in that: The upper protective shell (2) and the lower protective shell (3) are provided with elastic telescopic bands (7) connecting the two at the end faces away from the rangefinder body (1).

6. An auxiliary tool for a laser rangefinder according to claim 1, characterized in that: The lower housing (3) is rotatably provided with a charging protection cover (8) that can cover the charging port on the end face of the rangefinder body (1).

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