Externally-hung range finder

Abstract

The utility model discloses an externally-hung range finder, and the range finder comprises a housing assembly which comprises a housing and a button disposed on the housing; the front cover plate assembly is connected with the shell assembly and comprises a front cover plate and a distance measuring module arranged on the front cover plate; the rear cover plate assembly is connected with the shell assembly and comprises a rear cover plate, a battery assembly, a display device and a control device, the battery assembly, the display device and the control device are arranged on the rear cover plate, the keys and the distance measuring module are connected with the control device, and when the keys are triggered, the control device controls the distance measuring module to work; the battery cover assembly is connected with the rear cover plate assembly; the clamping assembly is connected with the shell assembly and used for being connected with a bearing piece. The plug-in range finder is subjected to component division to form the modular units, the integration level is high, and during assembly, the modular units are assembled firstly and then assembled together, so that the structure is compact, and the assembly is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of measuring instruments, and more specifically to an external rangefinder. Background Art

[0002] Measuring instruments are widely used in outdoor sports. For example, external rangefinders can quickly and easily measure the distance between a target and an observer, and can be used in scenarios such as compound bows and hunting rifles.

[0003] However, the external rangefinder in the related art has many parts, which makes it complicated and inconvenient to assemble.

[0004] Therefore, how to provide an external rangefinder that is easy to assemble is a problem that needs to be solved urgently by those skilled in the art. Utility Model Content

[0005] In view of this, an object of the present invention is to provide an external rangefinder that is easy to assemble.

[0006] In order to achieve the above purpose, the present invention provides the following technical solutions:

[0007] An external rangefinder, comprising:

[0008] A housing assembly, comprising a housing and a button provided on the housing;

[0009] A front cover assembly, connected to the housing assembly, comprising a front cover and a ranging module provided on the front cover;

[0010] a rear cover assembly connected to the housing assembly, comprising a rear cover and a battery assembly, a display device, and a control device respectively disposed on the rear cover, wherein the button and the ranging module are respectively connected to the control device so that when the button is triggered, the control device controls the ranging module to operate;

[0011] A battery cover assembly connected to the rear cover assembly;

[0012] The clamping assembly is connected to the housing assembly and is used to be connected to the carrier.

[0013] Optionally, the ranging module includes a micro ranging module, and the micro ranging module has a length range of ≤25 mm and / or a width range of ≤25 mm and / or a height range of ≤13 mm.

[0014] Optionally, the front cover assembly further includes a red dot laser, and the red dot laser is connected to the control device so that when the button is triggered, the control device controls the red dot laser to operate.

[0015] Optionally, the control device includes:

[0016] Control panel;

[0017] The adapter bracket is connected to the rear cover plate, and the control board is arranged on the adapter bracket.

[0018] Optionally, the control panel is provided with an acceleration sensor, and the acceleration sensor is used to detect the pitch angle and / or roll angle of the external rangefinder.

[0019] Optionally, the control panel is provided with a Bluetooth module.

[0020] Optionally, an opening is provided at the top of the shell, an upper cover is provided at the opening, and the upper cover is a Bluetooth signal penetrating component.

[0021] Optionally, the button includes a support member and a rubber member wrapped around the periphery of the support member.

[0022] Optionally, the display device includes:

[0023] A protective screen is provided on the rear cover;

[0024] a display screen, provided on a side of the protective screen facing away from the rear cover;

[0025] A pressing plate is arranged on a side of the display screen away from the protective screen and is connected to the rear cover plate, and a buffer is provided between the pressing plate and the display screen.

[0026] Optionally, the battery assembly includes:

[0027] a battery compartment connected to the rear cover and electrically connected to the rear cover;

[0028] a battery, disposed in the battery compartment;

[0029] A first conductive member is provided at one end of the battery compartment;

[0030] The second conductive member is connected to the rear cover plate and is electrically conductive with the rear cover plate. The first conductive member and the second conductive member are both connected to the control device.

[0031] Optionally, the clamping assembly is detachably connected to the housing assembly.

[0032] Optionally, the clamping assembly includes:

[0033] A clamping body, wherein a clamping portion is provided on one side of the clamping body;

[0034] a fixing member connected to the clamping body and having a threaded portion;

[0035] a clamping side plate, movably provided on the fixing member along the axial direction of the fixing member, and located on a side of the clamping body away from the clamping portion;

[0036] A locking nut is located on a side of the clamping side plate away from the clamping body and is connected to the threaded portion.

[0037] Optionally, the battery cover assembly includes:

[0038] Battery cover;

[0039] The battery flip cover is rotatably connected to the battery cover body. The external rangefinder provided by the utility model has the following beneficial effects:

[0040] The button is integrated into the shell to form an independent shell assembly, the ranging module is integrated into the rear cover to form an independent front cover assembly, the battery assembly, the display device and the control device are integrated into the rear cover to form an independent rear cover assembly, the battery cover assembly is an independent assembly, and the clamping assembly is an independent unit for connecting with the carrier to realize the external rangefinder being hung on the carrier.

[0041] Thus, the external rangefinder includes five major parts: a housing assembly, a front cover assembly, a rear cover assembly, a battery cover assembly, and a clamping assembly. After these five parts are assembled, the front cover assembly, the rear cover assembly, and the clamping assembly are respectively connected to the housing assembly, and the battery cover assembly is connected to the rear cover assembly, thereby forming the external rangefinder. In other words, the embodiment of the utility model forms a modular unit by rationally arranging the external rangefinder and dividing the components, thereby achieving a high degree of integration. During assembly, the modular units are first assembled and then assembled together, which facilitates a compact structure and achieves miniaturization. It also facilitates assembly, improves assembly efficiency, and achieves rapid assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0042] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are merely embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying any creative work.

[0043] Figure 1 This is a schematic diagram of the structure of the components of the external rangefinder provided in a specific embodiment of the present utility model before assembly;

[0044] Figure 2 This is an exploded view of the external rangefinder;

[0045] Figure 3 This is an exploded view of the rear cover assembly;

[0046] Figure 4 This is an exploded view of the shell assembly;

[0047] Figure 5 This is an exploded view of the clamping assembly;

[0048] Figure 6 This is an exploded view of the battery cover assembly;

[0049] Figure 7 This is an exploded view of the front cover assembly.

[0050] Reference numerals:

[0051] 1-housing assembly; 11-housing; 12-button; 121-support member; 122-rubber member; 13-upper cover;

[0052] 2-Front cover assembly; 21-Front cover; 22-Distance measurement module; 23-Red dot laser; 24-Fourth seal; 25-Fifth screw;

[0053] 3-Rear cover assembly; 31-Rear cover; 32-Control panel; 33-Adapter bracket; 34-Protective screen; 35-Display screen; 36-Pressure plate; 361-Third screw; 37-Battery compartment; 38-Battery; 391-First conductive member; 392-Second conductive member; 393-Electrode lining; 301-Sixth screw; 302-Second seal; 303-Third seal;

[0054] 4-battery cover assembly; 41-battery cover body; 42-battery flip cover; 43-pin; 44-tower spring; 45-first sealing member;

[0055] 5-clamping assembly; 51-clamping body; 511-clamping portion; 52-fixing piece; 53-clamping side plate; 54-locking nut. DETAILED DESCRIPTION

[0056] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0057] The core of the utility model is to provide an external rangefinder, which is convenient to assemble.

[0058] Please refer to Figure 1 and Figure 2An embodiment of the present invention provides an external rangefinder, including a shell assembly 1, a front cover assembly 2, a rear cover assembly 3, a battery cover assembly 4 and a clamping assembly 5. The front cover assembly 2, the rear cover assembly 3 and the clamping assembly 5 are respectively connected to the shell assembly 1, and the battery cover assembly 4 is connected to the rear cover assembly 3. The shell assembly 1 includes a shell 11 and a button 12 provided on the shell 11; the front cover assembly 2 includes a front cover 21 and a ranging module 22 provided on the front cover 21; the rear cover assembly 3 includes a rear cover 31 and a battery assembly, a display device and a control device respectively provided on the rear cover 31. The button 12 and the ranging module 22 are respectively connected to the control device so that when the button 12 is triggered, the control device controls the ranging module 22 to work; the clamping assembly 5 is used to be connected to a carrier.

[0059] That is to say, the button 12 is integrated into the shell 11 to form an independent shell assembly 1, the ranging module 22 is integrated into the rear cover 31 to form an independent front cover assembly 2, the battery assembly, display device and control device are integrated into the rear cover 31 to form an independent rear cover assembly 3, the battery cover assembly 4 is an independent component, and the clamping assembly 5 is an independent unit for connecting to the carrier to realize the external rangefinder being hung on the carrier.

[0060] Thus, the external rangefinder includes a housing assembly 1, a front cover assembly 2, a rear cover assembly 3, a battery cover assembly 4, and a clamping assembly 5, a total of five major parts. After these five major parts are assembled, the front cover assembly 2, the rear cover assembly 3, and the clamping assembly 5 are respectively connected to the housing assembly 1, and the battery cover assembly 4 is connected to the rear cover assembly 3, thereby forming the external rangefinder. In other words, the embodiment of the utility model forms a modular unit by rationally arranging the external rangefinder and dividing the components, thereby achieving a high degree of integration. During assembly, the modular units are first assembled and then assembled together, which is conducive to a compact structure and miniaturization. It is also convenient to assemble, which can improve assembly efficiency and achieve rapid assembly.

[0061] Furthermore, to reduce the size and weight of the external rangefinder, in some embodiments, the rangefinder module 22 includes a micro-rangefinder module having a length range of ≤25 mm, a width range of ≤25 mm, and / or a height range of ≤13 mm. In other words, this embodiment utilizes a micro-rangefinder module that is inherently smaller in size, with a length and / or width not exceeding 25 mm, and / or a height not exceeding 13 mm. Its compact structure and small size result in a low weight, which in turn contributes to the overall small size and light weight of the external rangefinder, avoiding the unnecessary addition of extra weight to the user and improving the user experience. Furthermore, in some embodiments, the micro-rangefinder module has a length of 24.5 mm, a width of 24.5 mm, and a height of 12.5 mm. In one embodiment, the micro-rangefinder module employed is the micro-semiconductor laser rangefinder structure employed in patent CN218728020U. Of course, if the structural solution of the present invention is adopted, solutions that differ only in the size of the micro-range-finding module or have a certain size fluctuation are also within the scope of protection of this invention. In some embodiments, the front cover assembly 2 also includes a red dot laser 23, which is connected to the control device so that when the button 12 is triggered, the control device controls the red dot laser 23 to operate. In other words, the front cover assembly 2 not only integrates the range-finding module 22, but also the red dot laser 23 to meet different range-finding requirements.

[0062] In addition, the above embodiment does not limit the specific structure of the control device, as long as the control device can control the distance measurement module 22 and the red dot laser 23 to work when the button 12 is triggered.

[0063] Please refer to Figure 3 In some embodiments, the control device includes a control board 32 and an adapter bracket 33. The control board 32 is mounted on the adapter bracket 33, which is connected to the rear cover 31. It is understood that the control board 32 has a control function, controlling the operation of the ranging module 22 and the red dot laser 23 based on the trigger signal from the button 12. For example, the control board 32 can control the red dot laser 23 on and off, start and stop the ranging module 22's ranging, and switch the ranging unit between meters and yards. Furthermore, the control board 32 can also be used to collect the power level of the battery 38 in the battery assembly. The adapter bracket 33 connects the control board 32 to the rear cover 31. By providing the adapter bracket 33, the control board 32 is positioned appropriately, facilitating connection between the control board 32 and the button 12, the ranging module 22, and the red dot laser 23. In some embodiments, the control board 32 is mounted to the adapter bracket 33 using a first screw, and the adapter bracket 33 is mounted to the rear cover 31 using a second screw.

[0064] Additionally, in some embodiments, the control panel 32 is equipped with an accelerometer for detecting the pitch and / or roll angles of the external rangefinder. In other words, the addition of the accelerometer in this embodiment facilitates the user's real-time access to the external rangefinder's pitch and / or roll angles, thereby facilitating the user's understanding of the external rangefinder's real-time status. Furthermore, in some embodiments, the control panel 32 is configured to control a display device to display the pitch and / or roll angles detected by the accelerometer. Of course, in other embodiments, the control panel 32 can be connected to a user-side app to enable parameterized display of the pitch and / or roll angles during use of the external rangefinder.

[0065] In some embodiments, the control panel 32 is equipped with a Bluetooth module. This allows wireless communication and transmission via the Bluetooth module, facilitating communication between the external rangefinder and other devices. Furthermore, in some embodiments, the control panel 32 turns the Bluetooth module on and off based on a trigger signal from the button 12.

[0066] Also, please refer to Figure 4 In some embodiments, the top of the housing 11 is provided with an opening, and an upper cover 13 is provided at the opening. The upper cover 13 is a Bluetooth signal penetrating member. In other words, the upper cover 13 is made of a material that is transparent to Bluetooth signals, for example, the upper cover 13 is made of a steel material, so that the Bluetooth signal in the housing 11 can be transmitted through the upper cover 13.

[0067] It should be noted that this embodiment does not limit the specific connection method between the upper cover 13 and the shell 11, as long as the connection between the upper cover 13 and the shell 11 can be achieved. In some embodiments, the upper cover 13 and the shell 11 are connected by a snap. Furthermore, in some embodiments, the shell 11 is provided with an adhesive coating groove, which is used to fill an adhesive, for example, a rubber liquid. After the upper cover 13 and the shell 11 are fastened together by the snap, they are bonded and fixed with the adhesive in the adhesive coating groove, thereby ensuring a good sealing effect between the upper cover 13 and the shell 11. The shell 11 mainly serves as the main body of the appearance.

[0068] Also, please refer to Figure 4In order to improve the user experience of the button 12, in some embodiments, the button 12 includes a support member 121 and a rubber member 122 wrapped around the outer periphery of the support member 121. It should be noted that the support member 121 has a certain structural strength. By arranging the support member 121 inside the rubber member 122, the support member 121 and the rubber member 122 are in hard contact, which is conducive to improving the user experience when pressing the button 12. It should be noted that this embodiment does not limit the specific number of buttons 12, and those skilled in the art can set the number of buttons 12 according to actual needs. For example, in some embodiments, the button 12 is a double button 12. In addition, this embodiment does not limit the specific connection method between the button 12 and the shell 11, as long as the button 12 can be set in the shell 11. In some embodiments, the button 12 and the shell 11 are connected by an interference fit, which can ensure the sealing effect between the button 12 and the shell 11.

[0069] In addition, the above embodiment does not limit the specific structure of the display device.

[0070] Please refer to Figure 3 In some embodiments, the display device includes a protective screen 34, a display screen 35, and a pressure plate 36. The protective screen 34 is disposed on the rear cover 31; the display screen 35 is disposed on the side of the protective screen 34 facing away from the rear cover 31; and the pressure plate 36 is disposed on the side of the display screen 35 facing away from the protective screen 34. The pressure plate 36 is connected to the rear cover 31, and a buffer is provided between the pressure plate 36 and the display screen 35. In other words, in this embodiment, by connecting the pressure plate 36 to the rear cover 31, the pressure plate 36 presses the display screen 35 against the protective screen 34, thereby achieving installation of the display screen 35. Simultaneously, the protective screen 34 protects the display screen 35, and the buffer provides shock absorption for the display screen 35. It should be noted that this embodiment does not limit the specific structure of the buffer. In some embodiments, the buffer is made of foam adhesive. Furthermore, this embodiment does not limit the method of connecting the pressure plate 36 to the rear cover 31, as long as the connection between the two can be achieved. In some embodiments, the pressure plate 36 is connected to the rear cover 31 via a third screw 361. In addition, this embodiment does not limit the connection method between the protective screen 34 and the rear cover 31. In some embodiments, the protective screen 34 is connected to the rear cover 31 via an adhesive. For example, the protective screen 34 is mounted to the rear cover 31 using rubber liquid. It is understood that the display screen 35 is connected to the control board 32. For example, during operation, the ranging module 22 converts the analog ranging signal into a digital signal and outputs it to the control board 32, so that the control board 32 controls the display screen 35 to display the value measured by the ranging module 22.

[0071] In addition, the above embodiment does not limit the specific structure of the battery assembly.

[0072] Please refer to Figure 3In some embodiments, the battery assembly includes a battery compartment 37, a battery 38, a first conductive member 391, and a second conductive member 392. The battery compartment 37 is connected to and electrically connected to the rear cover 31; the battery 38 is disposed within the battery compartment 37; the first conductive member 391 is disposed at one end of the battery compartment 37; and the second conductive member 392 is connected to and electrically connected to the rear cover 31. Both the first conductive member 391 and the second conductive member 392 are connected to a control device. It is understood that because the battery compartment 37 is electrically connected to the rear cover 31 and the second conductive member 392 is electrically connected to the rear cover 31, electrical connection is achieved between the battery compartment 37 and the second conductive member 392. That is, in this embodiment, the battery compartment 37 is electrically connected to the positive and negative electrodes of the control device via the first conductive member 391 and the second conductive member 392. For example, the positive electrode is connected via the first conductive member 391, while the negative electrode is connected via the second conductive member 392 and grounded.

[0073] For further information, please refer to Figure 3 To facilitate the connection between the battery compartment 37 and the first conductive member 391, in some embodiments, an electrode lining 393 is provided inside the battery compartment 37, and the first conductive member 391 is a copper screw that passes through the interior of the battery compartment 37 and exits at one end of the battery compartment 37, pressing against the electrode lining 393. This connection method is simple and easy to implement.

[0074] Furthermore, to facilitate the placement of the second conductive member 392, in some embodiments, the rear cover 31 is provided with a conductive mounting hole, into which the second conductive member 392 is matingly connected. For example, the mounting hole is unoxidized, and the remaining outer periphery of the rear cover 31 is insulated using black anodizing. The second conductive member 392 is a copper set screw, which is screwed into the mounting hole to facilitate negative electrode lead-out.

[0075] Furthermore, to accommodate the installation of different interfaces in different application scenarios, in some embodiments, the clamping assembly 5 is removably connected to the housing assembly 1. This means that by disassembling and assembling the clamping assembly 5, different clamping assemblies 5 can be adapted to the housing assembly 1, thereby facilitating the clamping assembly 5's ability to accommodate different interfaces in different application scenarios and enhancing the versatility of the external rangefinder. It should be noted that this embodiment does not limit the specific connection structure for the removable connection between the clamping assembly 5 and the housing assembly 1; as long as a removable connection between the two can be achieved, it is sufficient. In some embodiments, the clamping assembly 5 is connected to the housing assembly 1 via a fourth screw, facilitating disassembly and installation.

[0076] In addition, the above embodiment does not limit the specific structure of the clamping assembly 5, as long as the connection between the clamping assembly 5 and the carrier can be achieved.

[0077] Please refer to Figure 5In some embodiments, the clamping assembly 5 includes a clamping body 51, a fixing member 52, a clamping side plate 53, and a locking nut 54. A clamping portion 511 is provided on one side of the clamping body 51. The fixing member 52 is connected to the clamping body 51 and has a threaded portion. The clamping side plate 53 is axially movable on the fixing member 52 and is located on the side of the clamping body 51 away from the clamping portion 511. The locking nut 54 is located on the side of the clamping side plate 53 away from the clamping body 51 and is connected to the threaded portion. In other words, this embodiment utilizes the clamping side plate 53 and the clamping portion 511 of the clamping body 51 to clamp the carrier. Furthermore, when the width of the carrier changes, the size of the clamping opening between the clamping side plate 53 and the clamping portion 511 can be adjusted by turning the locking nut 54. This allows the clamping assembly 5 to adapt to carriers of different widths, thereby expanding the application scenarios of external rangefinders. It should be noted that this embodiment does not limit the specific structure of the carrier. In some embodiments, the carrier is a Picatinny rail. That is, in this embodiment, the external rangefinder is used for clamping the Picatinny rail. The connection between the clamping assembly 5 and the Picatinny rail enables the external rangefinder to be mounted on the Picatinny rail. Furthermore, this embodiment does not limit the specific method of connecting the fixing member 52 to the clamping body 51. In some embodiments, the fixing member 52 and the clamping body 51 are connected via an adhesive. For example, the fixing member 52 and the clamping body 51 are secured using AB adhesive.

[0078] In addition, the above embodiment does not specifically limit the connection method of the front cover assembly 2, the rear cover assembly 3 and the clamping assembly 5 to the housing assembly 1, as long as the front cover assembly 2, the rear cover assembly 3 and the clamping assembly 5 can be connected to the housing assembly 1. Figure 2 In some embodiments, the front cover assembly 2 is connected to the shell assembly 1 by a fifth screw 25, the rear cover assembly 3 is connected to the shell assembly 1 by a sixth screw 301, and the clamping assembly 5 is connected to the shell assembly 1 by a seventh screw.

[0079] In addition, the above embodiments do not limit the connection method between the battery cover assembly 4 and the rear cover assembly 3, as long as the connection between the two can be achieved. In some embodiments, the battery cover assembly 4 is threadedly connected to the rear cover assembly 3. It is understood that the battery cover assembly 4 is directly installed on the rear cover assembly 3 by threading, which is convenient for installation and more stable and reliable, so that the battery cover assembly 4 will not fall off under various impacts and vibrations.

[0080] In addition, the above embodiment does not limit the specific structure of the battery cover assembly 4. In some embodiments, the battery cover assembly 4 includes a battery cover body 41 and a battery flip cover 42, and the battery flip cover 42 is rotatably connected to the battery cover body 41. In other words, in this embodiment, by rotating the battery flip cover 42, the battery cover body 41 can be opened or closed, making it convenient to take the battery in and out. In addition, in order to facilitate the rotatable connection between the battery cover body 41 and the battery flip cover 42, please refer to Figure 6 In some embodiments, the battery cover 41 and the battery flip cover 42 are connected by a pin 43. Furthermore, a spring 44 is connected to the battery cover 41 for electrical connection to the battery 38. Furthermore, a first seal 45 is provided between the battery cover 41 and the rear cover assembly 3 to enhance the sealing between the battery cover 41 and the rear cover assembly 3.

[0081] Also, please refer to Figure 3 To improve the sealing performance of the connection between the rear cover assembly 3 and the housing assembly 1, in some embodiments, a second sealing member 302 is provided between the rear cover 31 and the housing 11. To improve the sealing performance of the connection between the rear cover 31 and the battery compartment 37, in some embodiments, a third sealing member 303 is provided between the rear cover 31 and the battery compartment 37.

[0082] Also, please refer to Figure 7 In order to improve the sealing performance of the connection between the front cover assembly 2 and the housing assembly 1 , in some embodiments, a fourth sealing member 24 is provided between the front cover 21 and the housing 11 .

[0083] In addition, the above embodiment does not limit the specific configuration of the distance measurement module 22 and the red dot laser 23. Figure 7 In some embodiments, the ranging module 22 is fixed to the front cover 21 by dispensing glue. In some embodiments, the red dot laser 23 is embedded in the installation position of the front cover 21, and the deflected position of the red dot laser 23 is adjusted so that it coincides with the laser emitted from the emission window of the ranging module 22 already installed and fixed on the front cover 21. Then, the installation position of the red dot laser 23 is fixed with UV glue, and then sealed with sealant to achieve the installation of the red dot laser 23 on the front cover 21.

[0084] It should also be noted that, in this specification, relational terms such as first and second, etc. are merely used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations.

[0085] The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.

[0086] The above describes in detail the external rangefinder provided by the present invention. This article uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are intended only to facilitate understanding of the method and core concepts of the present invention. It should be noted that those skilled in the art may make various improvements and modifications to the present invention without departing from the principles of the present invention, and such improvements and modifications fall within the scope of protection of the present invention.

Claims

1. An external rangefinder, characterized in that: include: A housing assembly (1) comprising a housing (11) and a button (12) provided on the housing (11); A front cover assembly (2), connected to the housing assembly (1), comprising a front cover (21) and a distance measurement module (22) provided on the front cover (21); A rear cover assembly (3) is connected to the housing assembly (1), comprising a rear cover (31) and a battery assembly, a display device, and a control device respectively arranged on the rear cover (31); the button (12) and the distance measuring module (22) are respectively connected to the control device, so that when the button (12) is triggered, the control device controls the distance measuring module (22) to operate; A battery cover assembly (4) connected to the rear cover assembly (3); The clamping assembly (5) is connected to the housing assembly (1) and is used to be connected to the carrier.

2. The external rangefinder according to claim 1, characterized in that: The distance measuring module (22) comprises a micro distance measuring module, wherein the length range of the micro distance measuring module is ≤25 mm and / or the width range is ≤25 mm and / or the height range is ≤13 mm.

3. The external rangefinder according to claim 1, characterized in that: The front cover assembly (2) further comprises a red dot laser (23) provided on the front cover (21), wherein the red dot laser (23) is connected to the control device so that when the button (12) is triggered, the control device controls the red dot laser (23) to operate.

4. The external rangefinder according to claim 1, characterized in that: The control device comprises: Control Panel (32); The adapter bracket (33) is connected to the rear cover plate (31), and the control panel (32) is arranged on the adapter bracket (33).

5. The external rangefinder according to claim 4, characterized in that: The control panel (32) is provided with an acceleration sensor, and the acceleration sensor is used to detect the pitch angle and / or roll angle of the external rangefinder.

6. The external rangefinder according to claim 4, characterized in that: The control panel (32) is provided with a Bluetooth module.

7. The external rangefinder according to claim 6, characterized in that: An opening is provided at the top of the shell (11), and an upper cover plate (13) is provided at the opening. The upper cover plate (13) is a Bluetooth signal penetrating member.

8. The external rangefinder according to any one of claims 1 to 7, characterized in that: The button (12) comprises a support member (121) and a rubber member (122) wrapped around the outer periphery of the support member (121).

9. The external rangefinder according to any one of claims 1 to 7, characterized in that: The display device includes: A protective screen (34) is provided on the rear cover (31); A display screen (35) is provided on a side of the protective screen (34) facing away from the rear cover (31); A pressure plate (36) is provided on a side of the display screen (35) facing away from the protective screen (34) and is connected to the rear cover (31), and a buffer is provided between the pressure plate (36) and the display screen (35).

10. The external rangefinder according to any one of claims 1 to 7, characterized in that: The battery assembly comprises: A battery compartment (37) is connected to the rear cover (31) and is electrically conductive with the rear cover (31); A battery (38) is disposed in the battery compartment (37); A first conductive member (391) is provided at one end of the battery compartment (37); The second conductive member (392) is connected to the rear cover plate (31) and is electrically conductive with the rear cover plate (31). Both the first conductive member (391) and the second conductive member (392) are connected to the control device.

11. The external rangefinder according to any one of claims 1 to 7, characterized in that: The clamping assembly (5) is detachably connected to the housing assembly (1).

12. The external rangefinder according to any one of claims 1 to 7, characterized in that: The clamping assembly (5) comprises: A clamping body (51), wherein a clamping portion (511) is provided on one side of the clamping body (51); A fixing member (52) connected to the clamping body (51) and having a threaded portion; a clamping side plate (53) movably disposed on the fixing member (52) along the axial direction of the fixing member (52) and located on a side of the clamping body (51) away from the clamping portion (511); A locking nut (54) is located on a side of the clamping side plate (53) facing away from the clamping body (51) and is connected to the threaded portion.

13. The external rangefinder according to any one of claims 1 to 7, characterized in that: The battery cover assembly (4) comprises: Battery cover (41); The battery flip cover (42) is rotatably connected to the battery cover body (41).

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