CN215766955U - Distance measuring instrument - Google Patents

Abstract

The utility model relates to a range finder, which comprises a core and a shell, wherein the shell comprises a bottom shell, a face shell and a side shell, the core is positioned in the shell, and the face shell is connected with the bottom shell through a first guide rail component; and/or the side shell is connected with the bottom shell through a second guide rail assembly. In this distancer, the core is located the casing, and the casing passes through guide rail set spare and realizes the equipment to can reduce the use of screw and buckle, better avoid setting up the screw hole at the casing, and, also can better avoid when the distancer falls, the off-going problem of buckle ensures distancer overall structure's joint strength better, makes the casing can protect the core better, improves the security.

Description

Distance measuring instrument

Technical Field

The present disclosure relates to a range finder technology field, especially relates to a range finder.

Background

At present, the distance measuring instrument is mainly assembled in a screw or buckle mode. In the assembly form of screw, the trompil of screw can be exposed to the distancer, and the whole looks pleasing to the eye inadequately, and is not complete enough, also difficult clean. In the assembly form of buckle, the buckle is connected intensity relatively poor, falls the easy emergence buckle in-process and breaks away from the problem.

SUMMERY OF THE UTILITY MODEL

To overcome the problems in the related art, the present disclosure provides a range finder.

According to an aspect of the disclosed embodiments, there is provided a range finder comprising a cartridge and a housing, the housing comprising a bottom shell, a face shell and side shells, the cartridge being located within the housing,

the face shell is connected with the bottom shell through a first guide rail assembly; and/or the presence of a gas in the gas,

the side shell and the bottom shell are connected through a second guide rail assembly.

Optionally, the number of the first guide rail assemblies is two, and the two first guide rail assemblies are respectively located on two opposite sides of the movement along the width direction of the movement; and/or the presence of a gas in the gas,

the number of the second guide rail assemblies is two, and the two second guide rail assemblies are respectively positioned on two sides of the movement, which are opposite to each other, in the width direction of the movement.

Optionally, the first guide rail assembly includes a first guide rail extending along a length direction of the movement, and a first guide rail groove engaged with the first guide rail, and the first guide rail is snapped into the first guide rail groove; and/or the presence of a gas in the gas,

the second guide rail subassembly includes follows the second guide rail that the thickness direction of core extends, and with second guide rail complex second guide rail groove, the second guide rail card is gone into second guide rail groove.

Optionally, the first guide rail is located on the face shell, and the first guide rail groove is located on the bottom shell; and/or the presence of a gas in the gas,

the second guide rail is positioned on the side shell, and the second guide rail groove is positioned on the bottom shell.

Optionally, the movement includes a core and a protective cover, and the core is located between the protective cover and the bottom case in a thickness direction of the movement.

Optionally, the side casing includes a first side casing and a second side casing, and the first side casing and the second side casing are respectively located on two opposite sides of the movement along the length direction of the movement,

the protective cover and the bottom shell are fixedly connected through a first fastener and a first buckle assembly, the first fastener is located at a position close to the first side shell, and the first buckle assembly is located at a position close to the second side shell along the length direction of the movement.

Optionally, the core is fixedly connected with the bottom shell through a second fastener,

along the length direction of core, the second fastener is located between first fastener and the first buckle subassembly.

Optionally, the first side shell and the protective cover are fixedly connected through a second buckle assembly; and/or the presence of a gas in the gas,

the second side shell is connected with the bottom shell through the second guide rail assembly.

Optionally, the range finder further includes a key, the face shell is provided with a key hole, the key is located the key hole, the key includes a key body and a button cap, the key body with safety cover fixed connection, the button cap with key body fixed connection.

Optionally, the key body is fixedly connected with the protective cover through a third fastener; and/or the presence of a gas in the gas,

the button cap is connected with the key body through glue dispensing or double-sided adhesive tape pasting.

The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects: in this distancer, the core is located the casing, and the casing passes through guide rail set spare and realizes the equipment to can reduce the use of screw and buckle, better avoid setting up the screw hole at the casing, and, also can better avoid when the distancer falls, the off-going problem of buckle ensures distancer overall structure's joint strength better, makes the casing can protect the core better, improves the security.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the utility model and together with the description, serve to explain the principles of the utility model.

FIG. 1 is an exploded schematic view of a rangefinder shown in accordance with an exemplary embodiment.

FIG. 2 is an assembly schematic of a rangefinder shown according to an exemplary embodiment.

FIG. 3 is a schematic diagram illustrating mating of a face shell with a bottom shell according to an exemplary embodiment.

Fig. 4 is a schematic diagram illustrating the mating of the second side casing with the bottom case according to an exemplary embodiment.

Fig. 5 is a schematic diagram illustrating the mating of the second side casing with the bottom case according to an exemplary embodiment.

Fig. 6 is a schematic structural view of a bottom chassis shown according to an exemplary embodiment.

Figure 7 is a schematic diagram illustrating mating of a cartridge with a base according to an exemplary embodiment.

Fig. 8 is a schematic diagram illustrating assembly of a cartridge with a base case according to an exemplary embodiment.

Fig. 9 is a schematic diagram illustrating mating of the first side shell with the protective cover in accordance with an exemplary embodiment.

FIG. 10 is a schematic view of the key body assembled with the protective cover, according to an exemplary embodiment.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the utility model, as detailed in the appended claims.

The utility model provides a range finder, in this range finder, the core is located the casing, and the casing passes through guide rail set spare and realizes the equipment to can reduce the use of screw and buckle, better avoid setting up the screw hole at the casing, and, also can better avoid when the range finder falls, the off-going problem of buckle ensures range finder overall structure's joint strength better, makes the casing can protect the core better, improves the security.

In one exemplary embodiment, a range finder is provided. Referring to fig. 1 and 2, the distance measuring instrument comprises a movement 1 and a shell 2, wherein the movement 1 is used for realizing the distance measuring function of the distance measuring instrument. The movement 1 is positioned in the shell 2, and the shell 2 can play a certain protection role on the movement 1.

The housing 2 may include a bottom case 21, a front case 22, and side cases 23.

The front shell 22 and the bottom shell 21 may be connected by a rail assembly, which is referred to as the first rail assembly 4 (shown with reference to fig. 3). In this casing 2, can avoid setting up the trompil (for example screw hole) owing to being connected of face-piece 22 and drain pan 21 to, when the distancer falls, can better avoid drain pan 21 and face-piece 22 to throw off, can improve the reliability that drain pan 21 and face-piece 22 are connected, and then improve casing 2 to the protection effect of core 1.

The side casing 23 and the bottom casing 21 may also be connected by a rail assembly, which may be referred to as a second rail assembly 5 (shown with reference to fig. 4). In this casing 2, can avoid setting up trompil (for example screw hole) because the connection of side shell 23 and drain pan 21 to, when the distancer falls, can avoid side shell 23 and drain pan 21 to throw off better, can improve the reliability that side shell 23 and drain pan 21 are connected, and then improve casing 2 to the protection effect of core 1.

It should be noted that the first track assembly and the second track assembly may be provided only one of them, or may be provided at the same time. When setting up first guide rail set spare and second guide rail set spare simultaneously (promptly, the face-piece passes through guide rail set spare with the drain pan and is connected, and the side shell also passes through guide rail set spare with the drain pan and is connected), can reduce the trompil on the casing better to improve the overall structure intensity of casing better, and then improve the protection effect of casing to the core.

In one exemplary embodiment, a range finder is provided. In the distance measuring instrument, the number of the first guide rail assemblies can be two, and one or more.

As shown in fig. 1, 2 and 3, when the number of the first guide rail assemblies 4 is two, that is, when the front shell 22 and the bottom shell 21 are connected by two first guide rail assemblies 4, the two first guide rail assemblies 4 may be respectively located on two opposite sides of the movement 1 along the width direction of the movement 1.

In this distancer, realize being connected of face-piece 22 and drain pan 21 through above-mentioned two first guide rail set spare 4, can further promote the reliability that face-piece 22 and drain pan 21 are connected, avoid the two to throw off better, improve casing 2 to the protection effect of core 1.

In addition, in the distance measuring instrument, the first rail assembly 4 may include a first rail 41 extending in the length direction of the movement 1, and a first rail groove 42 engaged with the first rail 41, that is, the first rail groove 42 also extends in the length direction of the movement 1. First rail 41 snaps into first rail groove 42 to effect connection of face shell 22 to bottom shell 21.

In each first rail assembly 4, one of the first rail 41 and the first rail groove 42 is located in the front case 22, and the other is located in the bottom case 21. For example, the first guide rail 41 is located at the face case 22, and the first guide rail groove 42 is located at the bottom case 21. Alternatively, the first rail 41 is located at the bottom case 21 and the first rail groove 42 is located at the top case 22.

In addition, the arrangement of the two first rail assemblies 4 may be the same or different.

For example, the first rail 41 of one first rail assembly 4 is provided at the bottom case 21, and the first rail groove 42 is provided at the face case 22; the first rail 41 of the other first rail assembly 4 is also provided in the bottom case 21, and the first rail groove 42 is provided in the face case 22.

For another example, the first rail 41 of one first rail assembly 4 is disposed at the bottom case 21, and the first rail groove 42 is disposed at the face case 22; the first rail 41 of the other first rail assembly 4 is provided at the face case 22, and the first rail groove 42 is provided at the bottom case 21.

In this distance measuring device, when the face shell 22 and the bottom shell 21 are connected, the first guide rail 41 may be inserted into the corresponding first guide rail groove 42 from one side of the length direction of the movement 1, and then the face shell 22 and the bottom shell 21 are relatively slid along the length direction of the movement 1, so that the corresponding first guide rail 41 and the corresponding first guide rail groove 42 are relatively slid along the length direction, and thus the first guide rail 41 is completely inserted into the corresponding first guide rail groove 42, and the assembly of the face shell 22 and the bottom shell 21 is completed.

Because two first guide rail assemblies 4 are respectively located two opposite sides of the movement 1 in the width direction, and the first guide rail 41 and the first guide rail groove 42 both extend for a certain length along the length direction, the reliability of the connection between the face shell 22 and the bottom shell 21 can be further improved.

The dimensions of the first guide rail 41 and the first guide rail groove 42 engaged therewith in the longitudinal direction of the movement 1 may be the same or different. In the assembled state of face shell 22 and bottom shell 21, the longer the fitting dimension of first guide rail 41 and first guide rail groove 42 fitted thereto in the longitudinal direction of movement 1, the higher the reliability of connection between face shell 22 and bottom shell 21.

For example, the first rail 41 and the first rail groove 42 have the same dimension in the longitudinal direction, and the first rail 41 has the same dimension in the longitudinal direction as the distance meter (where the distance meter longitudinal direction and the movement 1 longitudinal direction are the same direction), so that the reliability of the connection between the top case 22 and the bottom case 21 can be improved.

In one exemplary embodiment, a range finder is provided. In the distance measuring instrument, the number of the second guide rail assemblies can be two, and also can be one or more.

As shown in fig. 1, 2, and 4 to 6, when the number of the second guide assemblies 5 is two, that is, when the side casing 23 and the bottom casing 21 are connected by the two second guide assemblies 5, the two second guide assemblies 5 may be respectively located on two opposite sides of the movement 1 along the width direction of the movement 1.

In this distancer, realize being connected of side shell 23 and drain pan 21 through above-mentioned two second guide rail set 5, can further promote the reliability that side shell 23 and drain pan 21 are connected, avoid the two to throw off better, improve casing 2 to the protection effect of core 1.

In addition, in the distance measuring instrument, the second rail assembly 5 may include a second rail 51 extending in the thickness direction of the movement 1, and a second rail groove 52 fitted to the second rail 51, that is, the second rail groove 52 also extends in the thickness direction of the movement 1. Second rail 51 snaps into second rail groove 52 to effect connection of side shell 23 to bottom shell 21. In each second rail assembly 5, one of the second rail 51 and the second rail groove 52 is located on the side casing 23, and the other is located on the bottom casing 21.

In addition, referring to the arrangement of the first guide rail assembly 4, the arrangement of the two second guide rail assemblies 5 may be the same or different.

In the distance measuring instrument, when the side shell 23 and the bottom shell 21 are connected, the second guide rail 51 can be clamped into the corresponding second guide rail groove 52 from one side in the thickness direction of the movement 1, then the side shell 23 and the bottom shell 21 are relatively slid along the thickness direction of the movement 1, and the corresponding second guide rail 51 and the corresponding second guide rail groove 52 are relatively slid along the thickness direction, so that the second guide rail 51 is completely clamped into the corresponding second guide rail groove 52, and the assembly of the side shell 23 and the bottom shell 21 is completed.

Because two second guide rail assemblies 5 are respectively located on two opposite sides of the movement 1 in the width direction, and the second guide rail 51 and the second guide rail groove 52 both extend for a certain size in the thickness direction, the reliability of the connection between the face shell 22 and the bottom shell 21 can be further improved.

The dimensions of the second rail 51 and the second rail groove 52 fitted thereto in the longitudinal direction may be the same or different. In the assembled state of side case 23 and bottom case 21, the longer the fitting dimension of second rail 51 and second rail groove 52 fitted thereto in the thickness direction of movement 1, the higher the reliability of connection of side case 23 and bottom case 21.

For example, the dimension of second rail 51 in the thickness direction of movement 1 is the same as that of second rail groove 52, and the dimension of second rail 51 in the thickness direction of movement 1 is the same as that of the distance meter, in which case the reliability of connection between side case 23 and bottom case 21 can be improved.

In one exemplary embodiment, a range finder is provided. Referring to fig. 1, 2, and 6 to 8, in the distance measuring instrument, the movement 1 may include a core 11 and a protective cover 12, and the protective cover 12 may protect the core 11.

Wherein, along the thickness direction of movement 1, core 11 is located between protective cover 12 and bottom case 21. Protective cover 12 is fixedly connected to bottom shell 21 to better protect core 11.

Wherein, the protective cover 12 can be fixedly connected with the core body 11 through the first fastener 6 and the first snap assembly 7.

The number of the first fastening members 6 is not limited, and may be one, two or more. The first fastening member 6 may be a screw, a bolt, or the like. When the number of the first fastening members 6 is two, as shown in fig. 8, the two first fastening members 6 may be respectively located at two ends of the movement 1 in the width direction, so as to further improve the reliability of the connection between the protective cover 12 and the core 11.

The number of the first snap assemblies 7 is not limited, and may be one, two or more. When the number of the first buckle assemblies 7 is two, as shown in fig. 7 and 8, the two first buckle assemblies 7 may be respectively located at two ends of the movement 1 in the width direction, so as to further improve the reliability of the connection between the protective cover 12 and the core 11. For example, one of the two first snap assemblies 7 may be located at a front side cover of the protection cover 12, and the other first snap assembly 7 may be located at a rear side cover of the protection cover 12.

The first latch assembly 7 may include a first latch 71 and a first latch hole 72, and one of the first latch 71 and the first latch hole 72 is disposed on the protection cover 12 and the other is disposed on the bottom case 21. For example, first buckle 71 is disposed on bottom shell 21, first clamping hole 72 is disposed on protective cover 12, and protective cover 12 is fixedly connected to bottom shell 21 by the clamping fit of first buckle 71 and first clamping hole 72.

In the distance meter, as shown in fig. 1, 2, 4 and 9, the side case 23 may include a first side case 231 and a second side case 232. Along the length direction of the movement 1, the first side shell 231 and the second side shell 232 are respectively located on two opposite sides of the movement 1.

Referring to fig. 1, 2 and 4 to 9, along the length direction of the movement 1, the first fastener 6 is located near the first side shell 231, and the first buckle assembly 7 is located near the second side shell 232.

In the distance meter, the first fastening member 6 is closer to the first side case 231 than to the second side case 232. The first catch 71 is closer to the second side case 232 than the first side case 231. That is, first fastener 6 and first buckle 71 are respectively located at two ends of movement 1 in the length direction, so as to better improve the reliability of connection between protective cover 12 and bottom case 21, avoid the separation of the two, and improve the protection effect on core 11.

In the distance meter, the core 11 and the bottom case 21 may be fixedly connected by the second fastening member 8, the second fastening member 8 is similar to the first fastening member 6, the number of the second fastening members 8 may be more than one, and the second fastening members 8 may be screws or bolts.

When the number of the second fastening members 8 is two, the two second fastening members 8 may be respectively located at two ends of the movement 1 in the width direction (see fig. 7), so as to improve the reliability of the connection between the core 11 and the bottom case 21.

In the range finder, along the length direction of the movement 1, the second fastening piece 8 is positioned between the first fastening piece 6 and the first buckle assembly 7. That is, along the length direction of movement 1, first fastener 6, second fastener 8 and first buckle assembly 7 are arranged in order, thereby better improving the reliability of the assembly among bottom shell 21, core 11 and protective cover 12, and better improving the protection effect on core 11.

In addition, one of the first side case 231 and the second side case 232 of the side case 23 of the distance meter may be connected to the bottom case 21, and the other may be connected to the protective cover 12. For example, the first side case 231 is connected to the protection cover 12, and the second side case 232 is connected to the bottom case 21.

Wherein, the second side 232 and the bottom case 21 can be connected through the second rail assembly 5. The first side shell 231 and the protection cover 12 can be fixedly connected through the second snap assembly 9. The second snap assembly 9 is similar to the first snap assembly 7. The number of second snap assemblies 9 may also be more than one. When there are two second buckle assemblies 9, the two second buckle assemblies 9 may be respectively located at two ends of the movement 1 in the width direction (see fig. 9), so as to improve the reliability of the connection between the second side shell 232 and the bottom shell 21.

The second latch assembly 9 may include a second latch 91 and a second latch hole 92, one of the second latch 91 and the second latch hole 92 is disposed at the first side case 231, and the other is disposed at the protective cover 12. For example, the second latch 91 is disposed on the first side case 231, and the second latch hole 92 is disposed on the protection cover 12.

In this distance meter, first side shell 231 and second side shell 232 also can restrict the relative motion of face shell 22 and bottom shell 21 in the length direction of movement 1, thereby avoid face shell 22 and bottom shell 21 to break away from, better ensure the equipment reliability of casing 2, improve the protection effect to movement 1.

In one exemplary embodiment, a range finder is provided. Referring to fig. 1, 2 and 10, the rangefinder may further comprise a key 3, and the user may control the rangefinder through the key 3. The front case 22 is provided with a key 3 hole, and the key 3 is positioned in the key 3 hole so as to facilitate installation of the key 3.

The key 3 may include a key body 31 and a cap 32, the key body 31 is fixedly connected with the protective cover 12, for example, the key body 31 and the protective cover 12 may be fixedly connected by a third fastening member 10, the third fastening member 10 is similar to the first fastening member 6 and the second fastening member 8, the number of the third fastening members 10 may also be more than one, and the third fastening member 10 may be a screw or a bolt, etc.

The button cap 32 is fixedly connected with the key body 31, and a user can press the button cap 32 to press the key body 31 so as to control the distance measuring instrument. The push cap 32 can provide a certain protection for the key body 31. In addition, pressing the cap 32 can also prevent dust from entering the inside of the range finder through the hole 3 of the key to a certain extent.

The button cap 32 and the key body 31 can be connected by dispensing or double-sided adhesive tape to improve the convenience of connection between the two.

In one exemplary embodiment, a range finder is provided. The rangefinder may be a laser rangefinder or other form of rangefinder.

Referring to fig. 1 to 10, the range finder includes a core 11, a protective cover 12, a bottom case 21, a face case 22, a first side case 231, and a second side case 232. Wherein, core 11 and safety cover 12 constitute the core 1 of distancer, and bottom shell 21, face-piece 22, first side shell 231 and second side shell 232 constitute the casing 2 of distancer, and core 1 is located casing 2, and casing 2 plays the guard action to core 1.

During the assembly process, the core 11 is first fastened to the bottom case 21 by the second fastening members 8 (e.g., screws), and the key body 31 of the key 3 is fastened to the protective cover 12 by the third fastening members 10 (e.g., screws, the number of which includes but is not limited to four). Second rail 51 of second side shell 232 is then snapped into second rail groove 52 of bottom shell 21 to connect second side shell 232 to bottom shell 21. Then, first latch 71 on bottom shell 21 is latched into first latch hole 72 of protective cover 12, so as to achieve the preliminary latching and fixing between protective cover 12 and bottom shell 21. Protective cover 12 is then secured to bottom housing 21 by first fasteners 6 (e.g., screws). Then, the first guide rail 41 on the face casing 22 is clamped into the first guide rail groove 42 of the bottom casing 21 from the lower side, the face casing 22 and the bottom casing 21 are relatively slid along the length direction of the movement 1 until the movement is completely assembled, and the first guide rail 41 is completely clamped into the first guide rail groove 42, so that the face casing 22 and the bottom casing 21 are connected. Then, the second latch 91 of the first side shell 231 is snapped into the second latch hole 92 of the protection cover 12, so as to fixedly connect the first side shell 231 with the protection cover 12. Finally, the pressing cap 32 of the key 3 is adhered to the key body 31 through the hole of the key 3, so that the whole range finder is assembled.

Wherein, when assembling the distance measuring instrument, the assembling sequence among all the parts can be adjusted. The shape, material (for example, the material may include plastic, metal, and the like), and number of the respective components are not limited as long as the respective effects can be satisfied.

In the range finder, no screw is exposed on the outer surface of the shell, so that the appearance is more complete and more attractive. Simultaneously, the use quantity of buckle and screw has been reduced through the guide rail subassembly, has reduced the overall structure degree of difficulty of distancer, has improved the equipment mode, equipment order and the assembly form of distancer, makes overall structure simpler, and equipment and dismantlement are easier to the reliability and the anti performance that falls of complete machine have been guaranteed.

Other embodiments of the utility model will be apparent to those skilled in the art from consideration of the specification and practice of the utility model disclosed herein. This application is intended to cover any variations, uses, or adaptations of the utility model following, in general, the principles of the utility model and including such departures from the present disclosure as come within known or customary practice within the art to which the utility model pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the utility model being indicated by the following claims.

It will be understood that the utility model is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the utility model is limited only by the appended claims.

Claims (10)

1. A range finder is characterized in that the range finder comprises a movement and a shell, wherein the shell comprises a bottom shell, a face shell and a side shell, and the movement is positioned in the shell;

the face shell is connected with the bottom shell through a first guide rail assembly; and/or the presence of a gas in the gas,

the side shell and the bottom shell are connected through a second guide rail assembly.

2. The range finder of claim 1,

the number of the first guide rail assemblies is two, and the two first guide rail assemblies are respectively positioned on two opposite sides of the movement along the width direction of the movement; and/or the presence of a gas in the gas,

the number of the second guide rail assemblies is two, and the two second guide rail assemblies are respectively positioned on two sides of the movement, which are opposite to each other, in the width direction of the movement.

3. The range finder of claim 1,

the first guide rail assembly comprises a first guide rail extending along the length direction of the movement and a first guide rail groove matched with the first guide rail, and the first guide rail is clamped into the first guide rail groove; and/or the presence of a gas in the gas,

the second guide rail subassembly includes follows the second guide rail that the thickness direction of core extends, and with second guide rail complex second guide rail groove, the second guide rail card is gone into second guide rail groove.

4. The range finder of claim 3,

the first guide rail is positioned on the face shell, and the first guide rail groove is positioned on the bottom shell; and/or the presence of a gas in the gas,

the second guide rail is positioned on the side shell, and the second guide rail groove is positioned on the bottom shell.

5. The distance meter according to any of claims 1 to 4, wherein the movement comprises a core and a protective cover, the core being located between the protective cover and the bottom case in a thickness direction of the movement.

6. The range finder of claim 5 wherein said side housings comprise a first side housing and a second side housing, said first side housing and said second side housing being located on opposite sides of said movement along the length of said movement,

the protective cover and the bottom shell are fixedly connected through a first fastener and a first buckle assembly, the first fastener is located at a position close to the first side shell, and the first buckle assembly is located at a position close to the second side shell along the length direction of the movement.

7. The rangefinder of claim 6 wherein the core is fixedly attached to the bottom shell by a second fastener,

along the length direction of core, the second fastener is located between first fastener and the first buckle subassembly.

8. The range finder of claim 6,

the first side shell is fixedly connected with the protective cover through a second buckle assembly; and/or the presence of a gas in the gas,

the second side shell is connected with the bottom shell through the second guide rail assembly.

9. The distance measuring device of claim 5, further comprising a key, wherein the face casing is provided with a key hole, the key is located in the key hole, the key comprises a key body and a cap, the key body is fixedly connected with the protective cover, and the cap is fixedly connected with the key body.

10. The range finder of claim 9,

the key body is fixedly connected with the protective cover through a third fastener; and/or the presence of a gas in the gas,

the button cap is connected with the key body through glue dispensing or double-sided adhesive tape pasting.

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