Handheld laser range finder

Abstract

The utility model discloses a handheld laser range finder, which comprises a laser range finder main body, the laser range finder main body comprises a main case, a protective cover plate is fixed on the surface of the main case through screws, and a laser ranging head is arranged at the top end of the main case. Handheld anti-skid rubber is fixed to the surfaces of the two sides of the main machine shell through glue in an adhering mode; through the design of the moisture absorption mechanism, drying agent particles larger than the air holes can be injected into the storage cavity, and when the laser range finder body is placed in a dark place after being used or when hand sweat enters the interior through gaps during handheld operation, the drying agent particles absorb moisture entering the interior of the main case through the air holes; and moisture removal treatment is facilitated, an internal circuit board is not easy to damage, the service life is prolonged, and the moisture removal convenience of the laser range finder main body in construction of building engineering is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to laser range finder technical field, concretely relates to a hand -held laser range finder. BACKGROUND

[0002] The building engineering is a part of the construction engineering, and is referred to as the engineering entity formed by the installation activities of the construction of various housing buildings and their auxiliary facilities and the installation of lines, pipelines and equipment matched therewith. The building engineering construction needs to carry out ranging processing on the construction site. The ranging is usually measured by a hand -held laser range finder. The existing laser range finder is an instrument for measuring the distance of a target by using a certain parameter of modulated laser during the building engineering construction. It is convenient to directly hold the hand -held measuring device.

[0003] The existing laser range finder is directly held by the hand during the ranging in the building engineering construction. Therefore, the laser range finder is in contact with the dark air after use or is in contact with the hand sweat through the gap during the frequent hand holding. The moisture is easily generated in the interior. The moisture in the interior is not conveniently discharged. The interior of the laser range finder is damp. The service life of the internal circuit board is reduced. The convenience of the moisture removal of the laser range finder during the building engineering construction is affected. Therefore, the utility model provides a hand -held laser range finder. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a hand -held laser range finder to solve the problem that the interior of the laser range finder is damp after use, the moisture is easily generated in the interior during the frequent hand holding, the moisture in the interior is not conveniently discharged, the interior of the laser range finder is damp, and the service life of the internal circuit board is reduced.

[0005] To achieve the above object, the utility model provides the following technical scheme: a hand -held laser range finder, including laser range finder main part, the laser range finder main part includes host computer shell, the surface of host computer shell is fixed with the protection cover plate through screw, the top of host computer shell is provided with laser ranging head, the both sides surfaces of host computer shell are fixed with hand -held antiskid rubber through glue solution adhesion, still be provided with on laser range finder main part:

[0006] Moisture absorption mechanism, and the moisture absorption mechanism includes the storage moisture absorption assembly arranged on the both sides in the host computer shell, the bottom of storage moisture absorption assembly is located in the bottom of host computer shell and is provided with access assembly, the upper surface both ends of access assembly are provided with the clamping installation assembly;

[0007] The anti-scratch protection mechanism is provided with a protection assembly arranged at the end of the laser ranging head, and the two sides of the protection assembly are provided with sliding connection assemblies, and the upper surface of the protection assembly is provided with a locking assembly at the connecting position with the end of the main shell.

[0008] Preferably, the storage moisture absorption assembly comprises storage cavities integrally formed on the two sides of the inside of the main shell, and the inner surface of the storage cavities is provided with air permeable holes on the inner side of the main shell.

[0009] Preferably, the access assembly comprises a connecting port arranged at the bottom end of the storage cavity and located in the inside of the main shell, and a blocking block is arranged in the inside of the connecting port and is matched with the internal structure of the connecting port.

[0010] Preferably, the clamping assembly comprises elastic clamping bodies arranged on the two sides of the blocking block, and clamping holes are arranged on the two sides of the inside of the connecting port, and the elastic clamping bodies are clamped with the inside of the clamping holes.

[0011] Preferably, the protection assembly comprises a groove arranged at the edge of the laser ranging head and located at the top end of the main shell, and a protective plate is arranged on one side of the inside of the groove.

[0012] Preferably, the sliding connection assembly comprises sliding grooves arranged at the two ends of the inside of the groove, and sliding blocks are arranged in the inside of the sliding grooves, and the end of the sliding block is fixed with the side surface of the protective plate through a screw.

[0013] Preferably, the locking assembly comprises a limiting adjustment groove arranged on one side of the inside of the groove and located in the inside of the main shell, a pull rod is arranged at the top end of the main shell and slides in the limiting adjustment groove, a limiting clamping column is arranged in the inside of the limiting adjustment groove and fixed with the end of the pull rod, a compression spring is arranged on the outer surface of the end of the pull rod and matched with the outer surface of the limiting adjustment groove, and clamping grooves are arranged at the two ends of the upper surface of the protective plate and matched with the inside of the limiting clamping column.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] By designing the moisture absorption mechanism, dry agent particles larger than the air permeable holes can be injected into the inside of the storage cavity, when the laser ranging instrument main body is placed in the shade after use or hand sweat enters the inside through the gap during handheld operation, the dry agent particles can absorb the moisture entering the inside of the main shell through the air permeable holes, so that the moisture can be easily discharged and treated, the internal circuit board is not easily damaged, the service life is prolonged, and the convenience of the laser ranging instrument main body in dehumidification during building engineering construction is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The structure of the utility model is shown in the figure;

[0017] Figure 2 It is the host shell, storage cavity and the structure of the through hole section view structure schematic diagram of the utility model;

[0018] Figure 3 It is the utility model Figure 2 The structure of the part B is enlarged schematic diagram;

[0019] Figure 4 It is the utility model Figure 1 The structure of the part A is enlarged schematic diagram;

[0020] Figure 5 It is the utility model Figure 4 The structure of the part C is enlarged schematic diagram;

[0021] Figure 6 It is the slot body, guard plate and the structure of the host shell locking structure partial section view structure schematic diagram of the utility model;

[0022] In the drawing: 100, laser range finder main body;101, host shell;1011, storage cavity;1012, air hole;1013, plugging block;1014, connecting port;1015, elastic card body;1016, card hole;102, protective cover plate;103, laser ranging head;1031, slot body;1032, guard plate;1033, pull rod;1034, sliding block;1035, sliding groove;1036, limit adjusting groove;1037, compression spring;1038, limit card column;1039, card slot;104, handheld anti-skid rubber. Specific implementation

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] Please refer to Figures 1 to 6 The utility model provides a kind of technical scheme: a kind of handheld laser range finder, including laser range finder main body 100, laser range finder main body 100 includes host shell 101, the surface of host shell 101 is fixed with protective cover plate 102 by screw, the top of host shell 101 is provided with laser ranging head 103, the surface of both sides of host shell 101 is fixed with handheld anti-skid rubber 104 by glue liquid adhesion, laser range finder main body 100 is also provided with:

[0025] The moisture absorption mechanism is arranged inside the main shell 101, and the moisture absorption mechanism includes a moisture absorption storage assembly arranged on both sides of the inside of the main shell 101. The bottom end of the moisture absorption storage assembly is provided with an access assembly at the bottom of the main shell 101. The upper surface of the access assembly is provided with a clamping installation assembly at both ends. When the laser range finder body 100 is placed in a dark place after use or the hand is sweaty when used by hand, the moisture absorption mechanism can absorb the moisture entering the inside, so that the internal circuit board is not easily damaged, and the service life is prolonged.

[0026] In order to facilitate the absorption and treatment of the moisture entering the inside of the main shell 101 through the moisture absorption storage assembly, in the embodiment, preferably, the moisture absorption storage assembly includes a storage cavity 1011 integrally formed on both sides of the inside of the main shell 101. The inner surface of the storage cavity 1011 is provided with a ventilation hole 1012 at the inside of the main shell 101. After the dry agent particles are stored in the inside of the storage cavity 1011, when the moisture enters the inside of the main shell 101, the moisture entering the inside of the main shell 101 can be absorbed and treated through the ventilation hole 1012.

[0027] In order to facilitate the injection of dry agent particles into the inside of the storage cavity 1011 through the access assembly, in the embodiment, preferably, the access assembly includes a connecting port 1014 arranged at the bottom end of the storage cavity 1011 inside the main shell 101. The connecting port 1014 is internally closed and mounted with a plugging block 1013, and the structure of the plugging block 1013 is consistent with the inside of the connecting port 1014. The dry agent particles can be injected into the inside of the storage cavity 1011 through the connecting port 1014, which is convenient for storing and dehumidifying treatment, and vice versa, which is convenient for regular replacement treatment.

[0028] In order to facilitate the clamping installation of the plugging block 1013 through the clamping installation assembly, and facilitate the fixed installation of the plugging treatment, in the embodiment, preferably, the clamping installation assembly includes an elastic clamping body 1015 arranged on both sides of the plugging block 1013. The connecting port 1014 is provided with a clamping hole 1016 at both sides in the inside. The elastic clamping body 1015 is clamped in the inside of the clamping hole 1016, and the plugging block 1013 is clamped and installed in the inside of the connecting port 1014, which is convenient for fastening and installing the plugging.

[0029] The scratch-proof protection mechanism is arranged at the end of the laser ranging head 103, and the protection assembly is provided with a sliding connection assembly on both sides. The upper surface of the protection assembly is provided with a locking assembly at the end connection of the main shell 101. The scratch-proof protection mechanism can protect the end of the laser ranging head 103 from being scratched after the laser range finder body 100 is used, and the laser ranging head 103 can be accurately measured again.

[0030] In order to facilitate the protection of the end of the laser ranging head 103 after use by the protection assembly, the protection assembly is preferably provided with a groove 1031 opened at the edge of the laser ranging head 103 at the top end of the main machine shell 101, and a guard plate 1032 is arranged inside one side of the groove 1031. The guard plate 1032 can be slid closed on the surface of the laser ranging head 103 inside the groove 1031 for protection, and it is not easy to scratch and damage when not in use, and it can be used for accurate measurement again.

[0031] In order to facilitate the sliding opening or closing of the guard plate 1032 by the sliding connection assembly, the sliding connection assembly is preferably provided with a sliding groove 1035 opened at both ends inside the groove 1031, a sliding block 1034 is slidably arranged inside the sliding groove 1035, and the end of the sliding block 1034 is fixed to the side surface of the guard plate 1032 by a screw. The guard plate 1032 is slid open or closed by sliding the sliding block 1034 inside the sliding groove 1035, which facilitates sliding adjustment and use.

[0032] In order to facilitate the opening or closing of the guard plate 1032 by the locking assembly, the locking assembly is preferably provided with a limiting adjustment groove 1036 opened at one side inside the groove 1031 and located inside the main machine shell 101, a pull rod 1033 is slidably arranged at the top end of the main machine shell 101, a limiting clamping column 1038 is fixed to the end of the pull rod 1033 inside the limiting adjustment groove 1036, a compression spring 1037 is fitted and mounted on the outer surface of the end of the pull rod 1033 outside the limiting adjustment groove 1036, which facilitates the elastic connection of the pull rod 1033 and the limiting clamping column 1038 by the deformation of the compression spring 1037, facilitates elastic clamping and mounting, and the upper surface of the guard plate 1032 is provided with a clamping groove 1039 at both ends, and the limiting clamping column 1038 is clamped inside the clamping groove 1039, until the limiting clamping column 1038 is clamped inside the clamping groove 1039 to fix and mount the guard plate 1032, facilitating locking and fixing.

[0033] The working principle and use process of the handheld laser range finder are as follows: when the handheld laser range finder is used, a professional measuring personnel directly contacts the handheld anti-skid rubber 104 with his hand to tightly hold the laser range finder main body 100 for handheld measurement, turns on the power supply of the laser range finder main body 100, adjusts the key to the measurement program, and measures by the laser ranging head 103, and facilitates the distance measurement during construction engineering by the laser range finder main body 100.

[0034] Then in use after carrying or placing, the pull rod 1033 can be pulled to drive the limiting clamping column 1038 to move to the inner top end of the limiting adjusting groove 1036, the sliding block 1034 is slid in the inner sliding groove 1035, the protective plate 1032 is slid and closed in the inner groove body 1031 of the surface of the laser ranging head 103, and the pull rod 1033 is released after being closed, the elastic connection of the limiting clamping column 1038 is driven by the deformation of the compression spring 1037, until the limiting clamping column 1038 is elastically clamped in the inner clamping groove 1039 to lock the groove body 1031, so as to fix and install the groove body 1031 for protection, and when not in use, the laser ranging head 103 is protected, and the laser ranging head 103 is not easy to scratch and damage, and the laser ranging head 103 is not easy to be affected during laser measurement, accurate measurement is used, the convenience of the laser ranging head 103 is improved, and the laser ranging head 103 is protected in the building engineering construction, and when measuring, the groove body 1031 is opened and fixed and placed in the opposite operation;

[0035] Finally, before the laser ranging instrument main body 100 is used, the desiccant particles larger than the air hole 1012 are injected into the storage cavity 1011 through the connecting port 1014, and the sealing block 1013 is fixed in the connecting port 1014 by the elastic clamping body 1015 clamped in the clamping hole 1016 for protection, and when the laser ranging instrument main body 100 is placed in the dark place after use or when hand sweat enters the inside through the gap during handheld operation, the desiccant particles can pass through the air hole 1012 to absorb the moisture entering the inside of the main machine shell 101, so as to discharge the moisture and prevent the internal circuit board from being damaged, prolong the service life, improve the convenience of the laser ranging instrument main body 100 in building engineering construction, and the desiccant particles can be replaced regularly.

[0036] Although the embodiments of the present application have been shown and described (see the detailed description above), those skilled in the art can understand that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A handheld laser rangefinder, comprising a laser rangefinder body (100), the laser rangefinder body (100) including a main housing (101), a protective cover plate (102) fixed to the surface of the main housing (101) by screws, a laser rangefinder head (103) provided at the top of the main housing (101), and handheld anti-slip rubber (104) bonded to both sides of the main housing (101) by adhesive, characterized in that: The laser rangefinder body (100) is also equipped with: A moisture-absorbing mechanism, which includes a storage moisture-absorbing component disposed on both sides inside the main housing (101). The bottom end of the storage moisture-absorbing component is provided with an inlet / outlet component at the bottom of the main housing (101). The upper surface of the inlet / outlet component is provided with a locking mounting component at both ends. The anti-scratch protection mechanism includes a protective component disposed at the end of the laser rangefinder (103), with sliding connection components disposed on both sides of the protective component, and a locking component disposed at the connection between the upper surface of the protective component and the end of the main housing (101).

2. The handheld laser rangefinder according to claim 1, characterized in that: The storage and moisture-absorbing component includes storage cavities (1011) integrally formed on both sides inside the main housing (101), and the inner surface of the storage cavity (1011) is provided with vent holes (1012) on the inner side of the main housing (101).

3. A handheld laser rangefinder according to claim 2, characterized in that: The inlet / outlet assembly includes a connection port (1014) located at the bottom of the storage cavity (1011) inside the main housing (101). A sealing block (1013) is installed inside the connection port (1014), and the sealing block (1013) matches the internal structure of the connection port (1014).

4. A handheld laser rangefinder according to claim 3, characterized in that: The locking and mounting assembly includes elastic locking bodies (1015) disposed on both sides of the sealing block (1013), and locking holes (1016) are provided on both sides of the inside of the connection port (1014), and the elastic locking bodies (1015) engage with the inside of the locking holes (1016).

5. A handheld laser rangefinder according to claim 1, characterized in that: The protective component includes a groove (1031) located at the top of the main housing (101) on the edge of the laser rangefinder (103), and a protective plate (1032) is provided inside one side of the groove (1031).

6. A handheld laser rangefinder according to claim 5, characterized in that: The sliding connection assembly includes a sliding groove (1035) formed at both ends inside the groove (1031), a slider (1034) sliding inside the sliding groove (1035), and the end of the slider (1034) is fixed to the side of the guard plate (1032) by screws.

7. A handheld laser rangefinder according to claim 5, characterized in that: The locking assembly includes a limiting adjustment groove (1036) located inside the main housing (101) on one side of the groove (1031). A pull rod (1033) slides on the top of the main housing (101). A limiting pin (1038) is fixed inside the limiting adjustment groove (1036) at the end of the pull rod (1033). A compression spring (1037) is fitted onto the outer surface of the end of the pull rod (1033) on the outer surface of the limiting adjustment groove (1036). Both ends of the upper surface of the guard plate (1032) are provided with slots (1039), and the limiting pin (1038) engages with the inside of the slot (1039).

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