Height adjusting mechanism and night vision device support

Abstract

The invention discloses a height adjusting mechanism and a night vision device support. The height adjusting mechanism comprises an insertion sliding block, a shell, a height adjusting screw rod, a height adjusting push button and a height adjusting locking block. The plug-in sliding block is in sliding connection with the shell, a screw rod mounting groove is formed in the side, facing the shell, of the plug-in sliding block, and a push button mounting groove is formed in the side, facing the plug-in sliding block, of the shell; the height adjusting screw rod is fixed in the screw rod mounting groove; one part of the height adjusting push button is exposed out of the shell, and the other part of the height adjusting push button is slidably arranged in the push button mounting groove; the height adjusting locking block is connected with the height adjusting push button, the height adjusting locking block is arranged in the screw rod installation groove and located on one side of the height adjusting screw rod, and the side, facing the screw rod, of the height adjusting locking block is provided with a threaded face matched with the height adjusting screw rod. The height adjusting mechanism can adjust the height of the night vision device, and it is guaranteed that the eyepiece of the night vision device can be parallel to the eyes of a user.

Description

Technical Field

[0001] The invention relates to the technical field of night vision goggles brackets, and in particular to a height adjustment mechanism and a night vision goggles bracket. Background Art

[0002] Night vision goggles are night sights with image intensifiers as their core components. When working, they do not use infrared searchlights to illuminate targets, but use the light reflected by targets under weak light to be enhanced on the fluorescent screen by image intensifiers to form visible images that can be perceived by the human eye to observe and aim at targets. In the prior art, night vision goggles are usually mounted on helmets using night vision goggles brackets when in use.

[0003] The existing bracket has the following technical problems: although the existing bracket can adjust the parallel angle between the night vision goggles and the eyes, it cannot adjust the height of the night vision goggles, which makes it impossible for the user to effectively make the eyes parallel to the eyepiece of the night vision goggles. Summary of the invention

[0004] To this end, the present invention provides a height adjustment mechanism and a night vision device bracket to solve or alleviate the above-mentioned technical problems.

[0005] In order to achieve the above object, the present invention provides the following technical solutions:

[0006] A first aspect of the present invention provides a height adjustment mechanism, including a plug-in slider, a shell, a height adjustment screw, a height adjustment push button and a height adjustment locking block; the plug-in slider is slidably connected to the shell, a screw mounting groove is provided on the side of the plug-in slider facing the shell, and a push button mounting groove is provided on the side of the shell facing the plug-in slider; the height adjustment screw is fixed in the screw mounting groove; a part of the height adjustment push button is exposed outside the shell, and the other part is slidably arranged in the push button mounting groove; the height adjustment locking block is connected to the height adjustment push button, the height adjustment locking block is arranged in the screw mounting groove and is located on one side of the height adjustment screw, and a threaded surface matching the height adjustment screw is provided on the side of the height adjustment locking block facing the screw.

[0007] Furthermore, the height adjustment mechanism also includes a height adjustment reset spring; the height adjustment reset spring is arranged in the push button installation groove, and is used to provide a thrust for the height adjustment push button to slide out of the shell.

[0008] Furthermore, the height adjustment machine also includes a helmet socket, which is provided with multiple pairs of through holes, and the multiple pairs of through holes are evenly spaced along the height direction; the plug-in slider is provided with multiple pairs of height adjustment threaded holes, and the multiple pairs of height adjustment threaded holes are evenly spaced along the height direction; the helmet socket and the plug-in slider are connected by bolts that are passed through the through holes and screwed into the height adjustment threaded holes, and the relative adjustment of the helmet socket and the plug-in slider in the height direction is achieved by selecting different through holes corresponding to different height adjustment threaded holes.

[0009] Furthermore, a T-shaped slide groove is provided on the side of the shell facing the plug-in slider, and the push button mounting groove is provided at the bottom of the T-shaped slide groove; guide slide bars are provided on both sides of the side of the plug-in slider facing the shell; the plug-in slider and the shell are slidably connected to the T-shaped slide groove through the matching guide slide bars.

[0010] Furthermore, a spring installation cavity is respectively provided at the inner end of the height adjustment push button and at a position of the push button installation slot corresponding to the inner end of the height adjustment push button, and both ends of the height adjustment return spring are respectively located in the two spring installation cavities.

[0011] Furthermore, the upper and lower ends of the screw mounting groove are respectively provided with side walls, and the two side walls are respectively provided with screw mounting holes, one of the screw mounting holes is a threaded through hole; one end of the screw is screwed into the threaded through hole, and the other end is in the other screw mounting hole.

[0012] Furthermore, the number of logarithms of the through holes is smaller than the number of logarithms of the height adjustment threaded holes; each pair of the through holes includes two through holes, and the two through holes are arranged one on the left and one on the right; each pair of the height adjustment threaded holes includes two height adjustment threaded holes, and the two height adjustment threaded holes are arranged one on the left and one on the right.

[0013] A second aspect of the present invention provides a night vision device bracket, which includes the height adjustment mechanism provided by the first aspect of the present invention.

[0014] The present invention has the following advantages:

[0015] Under normal conditions, under the action of the height adjustment reset spring, the height adjustment push button is in the state of being exposed to the longest length. At this time, under the action of the height adjustment reset spring ear, the inner thread of the threaded surface of the height adjustment locking block is meshed with the outer thread of the height adjustment screw, so that the plug-in slider cannot slide relative to the housing in the height direction, that is, the plug-in slider and the housing are in a locked state, and the height cannot be adjusted; press the height adjustment push button inward, the height adjustment reset spring is compressed to store energy, and the height adjustment locking block leaves the height adjustment screw and releases the lock. At this time, the housing can be slid at will to adjust the height; after the height is appropriate, release the height adjustment push button, and under the action of the height adjustment reset spring, the height adjustment locking block is locked with the height adjustment screw again to keep the current height unchanged. In this way, the height of the night vision device can be adjusted very conveniently.

[0016] The above summary is for illustrative purposes only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the present application will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the implementation methods of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for the implementation methods or the description of the prior art. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0018] The structures, proportions, sizes, etc. illustrated in this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with the technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantial technical significance. Any structural modification, change in proportion or adjustment of size shall still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.

[0019] Figure 1 A schematic diagram of the structure of a night vision device bracket provided by an embodiment of the present invention;

[0020] Figure 2 A schematic diagram of the structure of a height adjustment mechanism provided by an embodiment of the present invention;

[0021] Figure 3 A schematic diagram of the positional relationship of a housing, a height adjustment push button, a height adjustment locking block, and a height adjustment return spring of a height adjustment mechanism provided in an embodiment of the present invention;

[0022] Figure 4 A schematic structural diagram of a housing of a height adjustment mechanism provided by an embodiment of the present invention;

[0023] Figure 5 A schematic diagram of the positional relationship between a plug-in slider and a height adjustment screw of a height adjustment mechanism provided by an embodiment of the present invention;

[0024] Figure 6 A schematic structural diagram of a plug-in slider of a height adjustment mechanism provided by an embodiment of the present invention;

[0025] Figure 7 An exploded schematic diagram of a plug-in slider and a helmet holder of a height adjustment mechanism provided by an embodiment of the present invention;

[0026] Figure 8 A schematic diagram of the positional relationship of a plug-in slider, a helmet holder, a height adjustment screw, a height adjustment push button, and a height adjustment locking block of a height adjustment mechanism provided in an embodiment of the present invention;

[0027] Fig. 9 A schematic diagram of the structure of a height adjustment push button of a height adjustment mechanism provided by an embodiment of the present invention;

[0028] Fig.10 A structural schematic diagram of another view of a height adjustment push button of a height adjustment mechanism provided by an embodiment of the present invention.

[0029] In the figure: 10, helmet connection part; 11, plug-in slider; 111, guide slide; 112, screw mounting groove; 1121, screw mounting hole; 113, height adjustment threaded hole; 12, helmet holder; 121, through hole; 20, night vision device connection part; 30, flip connection part; 31, shell; 311, T-shaped slide groove; 312, push button mounting groove; 3121, spring mounting cavity; 41, height adjustment screw; 42, height adjustment push button; 43, height adjustment locking block; 431, threaded surface; 44, height adjustment reset spring. DETAILED DESCRIPTION

[0030] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the present application. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0031] like Figure 1As shown, this embodiment provides a height adjustment mechanism, which is applied to a night vision goggles bracket. The existing night vision goggles bracket includes a helmet connecting portion 10 for connecting to a helmet, a night vision goggles connecting portion 20 for installing a night vision goggles, and a flip connecting portion 30 arranged between the helmet connecting portion 10 and the night vision goggles connecting portion 20; wherein the flip connecting portion 30 includes a shell 31 and a flip frame, the helmet connecting portion 10 is connected to the shell 31, the flip frame is connected to the night vision goggles connecting portion 20, and the proximal end is connected to the end of the flip shaft.

[0032] like Figure 2-10 As shown, the height adjustment mechanism provided in this embodiment includes two parts, namely a first height adjustment unit and a second height adjustment unit.

[0033] The helmet connection part 10 includes a plug-in slider 11, which is slidably connected to the housing 31; illustratively, a T-shaped slide groove 311 penetrating in the height direction is provided on one side of the housing 31, and a guide slide bar 111 is provided on one side edge of the plug-in slider 11, and the plug-in slider 11 is slidably connected to the housing 31 through the T-shaped slide groove 311 and the guide slide bar 111. A vertical screw installation groove 112 is provided on one side of the plug-in slider 11 facing the housing 31, and the upper and lower ends of the screw installation groove 112 are not penetrated. A horizontal push button installation groove 312 is provided on one side of the housing 31 facing the plug-in slider 11, and the push button installation groove 312 is located at the bottom of the T-shaped slide groove 311, that is, the push button installation groove 312 is farther away from the plug-in slider 11 than the T-shaped slide groove 311; one end of the push button installation groove 312 penetrates the side of the housing 31, and the other end does not penetrate; illustratively, the push button installation groove 312 penetrates the right side of the housing 31, and the left side of the push button installation groove 312 does not penetrate and is provided with a spring installation cavity 3121. The first height adjustment unit is designed based on the plug-in slider 11 and the housing 31.

[0034] The first height adjustment unit includes a height adjustment screw 41, a height adjustment push button 42, a height adjustment locking block 43 and a height adjustment reset spring 44. The height adjustment screw 41 is fixed vertically in the screw mounting groove 112; exemplarily, the upper and lower side walls of the screw mounting groove 112 are respectively provided with screw mounting holes 1121, one of which is a threaded through hole, and the height adjustment screw 41 is screwed into the screw mounting groove 112 from the threaded through hole, and further screwed into the other screw mounting hole 1121, thereby completing the fixing of the height adjustment screw 41, wherein the other screw mounting hole 1121 can be a threaded hole or a light hole. A part of the height adjustment push button 42 is exposed outside the housing 31, and the other part is slidably arranged in the push button mounting groove 312, and the height adjustment push button 42 can slide horizontally; exemplarily, the right end of the height adjustment push button 42 is outside the right side of the housing 31. The height adjustment locking block 43 is connected to the height adjustment push button 42, and the height adjustment locking block 43 is arranged in the screw mounting groove 112 and is located on one side of the height adjustment screw 41. The side of the height adjustment locking block 43 facing the screw is provided with a threaded surface 431 adapted to the height adjustment screw 41; preferably, the threaded surface 431 of the height adjustment locking block 43 is a surface after the thread is machined on the arc surface, for example: after the internal thread is machined in the hollow cylinder and then a part of the solid structure is cut off, a height adjustment locking block 43 with a circular arc threaded surface 431 can be obtained; exemplarily, the height adjustment locking block 43 is integrally arranged on the left side of the height adjustment push button 42, and the height adjustment locking block 43 is located on the left side of the height adjustment screw 41, and the threaded surface 431 is arranged to the right. The height adjustment reset spring 44 is transversely arranged in the push button mounting groove 312, and is used for providing a transverse thrust for the height adjustment push button 42 to slide outward from the shell 31; illustratively, a spring mounting cavity 3121 is also arranged at the left end of the height adjustment push button 42, and the two ends of the spring are respectively located in the spring mounting cavity 3121 of the height adjustment push button 42 and the spring mounting cavity 3121 of the push button mounting groove 312, so as to prevent the end of the spring from being displaced and failing.

[0035] Under normal conditions, under the action of the height adjustment reset spring 44, the height adjustment push button 42 is in a state where the length of the height adjustment push button 42 is the longest. At this time, under the action of the height adjustment reset spring 44, the inner thread of the threaded surface 431 of the height adjustment locking block 43 is meshed with the outer thread of the height adjustment screw 41, so that the plug-in slider 11 cannot slide relative to the housing 31 in the height direction, that is, the plug-in slider 11 and the housing 31 are in a locked state and the height cannot be adjusted; the height adjustment push button 42 is pressed inward, the height adjustment reset spring 44 is compressed to store energy, and the height adjustment locking block 43 leaves the height adjustment screw 41 and releases the lock. At this time, the housing 31 can be slid freely to adjust the height; after the height is appropriate, the height adjustment push button 42 is released, and under the action of the height adjustment reset spring 44, the height adjustment locking block 43 is locked with the height adjustment screw 41 again to keep the existing height unchanged. In this way, the height of the night vision device can be adjusted very conveniently.

[0036] The helmet connecting portion 10 further includes a helmet holder 12 , and the second height adjustment unit is designed based on the helmet holder 12 and the plug-in slider 11 .

[0037] The helmet base 12 is provided with multiple pairs of through holes 121, which penetrate the helmet base 12 in the front-to-back direction, and multiple pairs of the through holes 121 are evenly spaced along the height direction; the plug-in slider 11 is provided with multiple pairs of height adjustment threaded holes 113, which are arranged in the front-to-back direction, and can penetrate the plug-in slider 11, or can be threaded blind holes, and multiple pairs of height adjustment threaded holes 113 are evenly spaced along the height direction; the number of pairs of through holes 121 is less than the number of pairs of height adjustment threaded holes 113; illustratively, the number of pairs of through holes 121 is 2 pairs, and the vertical spacing is 5 cm, and the number of pairs of height adjustment threaded holes 113 is 3 pairs, and the vertical spacing is 1 cm. The helmet base 12 is connected to the plug-in slider 11 by bolts, and the plug-in slider 11 is connected to the housing 31; when connecting, it is only necessary to use bolts to connect a pair of through holes 121 and a pair of height adjustment threaded holes 113. By selecting different height adjustment threaded holes 113, the plug-in slider 11 can be placed at different heights of the helmet base 12, and the height of the night vision device can be further adjusted. For example, each pair of through holes 121 includes two through holes 121, and the two through holes 121 are arranged one on the left and one on the right; each pair of height adjustment threaded holes 113 includes two height adjustment threaded holes 113, and the two height adjustment threaded holes 113 are arranged one on the left and one on the right.

[0038] In the description of this specification, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0039] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0040] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0041] In the present application, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0042] The disclosure above provides many different embodiments or examples to realize the different structures of the present application. In order to simplify the disclosure of the present application, the parts and settings of specific examples are described above. Of course, they are only examples, and the purpose is not to limit the present application. In addition, the present application can repeat reference numerals and / or reference letters in different examples, and this repetition is for the purpose of simplification and clarity, which itself does not indicate the relationship between the various embodiments and / or settings discussed.

[0043] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any technician familiar with the technical field can easily think of various changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims

1. A height adjustment mechanism, characterized in that: It includes a plug-in slider, a shell, a height adjustment screw, a height adjustment push button and a height adjustment locking block; the plug-in slider is slidably connected to the shell, a screw mounting groove is provided on the side of the plug-in slider facing the shell, and a push button mounting groove is provided on the side of the shell facing the plug-in slider; the height adjustment screw is fixed in the screw mounting groove; a part of the height adjustment push button is exposed outside the shell, and the other part is slidably arranged in the push button mounting groove; the height adjustment locking block is connected to the height adjustment push button, the height adjustment locking block is arranged in the screw mounting groove and is located on one side of the height adjustment screw, and a threaded surface matching the height adjustment screw is provided on the side of the height adjustment locking block facing the screw.

2. The height adjustment mechanism according to claim 1, characterized in that: The height adjustment mechanism also includes a height adjustment reset spring; the height adjustment reset spring is arranged in the push button installation groove, and is used to provide a thrust for the height adjustment push button to slide out of the housing.

3. The height adjustment mechanism according to claim 1, characterized in that: The height adjustment mechanism also includes a helmet holder, which is provided with a plurality of pairs of through holes, and the plurality of pairs of through holes are evenly spaced along the height direction; the plug-in slider is provided with a plurality of pairs of height adjustment threaded holes, and the plurality of pairs of height adjustment threaded holes are evenly spaced along the height direction; the helmet holder and the plug-in slider are connected by bolts that are passed through the through holes and screwed into the height adjustment threaded holes, and the relative adjustment of the helmet holder and the plug-in slider in the height direction is achieved by selecting different through holes corresponding to different height adjustment threaded holes.

4. The height adjustment mechanism according to claim 1, characterized in that: A T-shaped slide groove is provided on the side of the shell facing the plug-in slider, and the push button mounting groove is provided at the bottom of the T-shaped slide groove; guide slide bars are provided on both sides of the plug-in slider facing the shell; the plug-in slider and the shell are slidably connected to the T-shaped slide groove through the matching guide slide bars.

5. The height adjustment mechanism according to claim 2, characterized in that: The inner end of the height adjustment push button and the position of the push button installation groove corresponding to the inner end of the height adjustment push button are respectively provided with spring installation cavities, and the two ends of the height adjustment reset spring are respectively located in the two spring installation cavities.

6. The height adjustment mechanism according to claim 1, characterized in that: The upper and lower ends of the screw mounting groove are respectively provided with side walls, and the two side walls are respectively provided with screw mounting holes, one of the screw mounting holes is a threaded through hole; one end of the screw is screwed into the threaded through hole, and the other end is in the other screw mounting hole.

7. The height adjustment mechanism according to claim 3, characterized in that: The number of pairs of the through holes is smaller than the number of pairs of the height adjustment threaded holes; each pair of the through holes includes two through holes, and the two through holes are arranged one on the left and one on the right; each pair of the height adjustment threaded holes includes two height adjustment threaded holes, and the two height adjustment threaded holes are arranged one on the left and one on the right.

8. A night vision device bracket, characterized in that: It comprises the height adjustment mechanism described in any one of claims 1 to 7.

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