Binocular telescope

Abstract

The utility model provides a binocular telescope, which belongs to the technical field of telescope devices, and comprises an objective lens barrel assembly and two eyepiece barrel assemblies, and the objective lens barrel assembly comprises an objective lens barrel and a separator connected with the objective lens barrel. The two eyepiece sleeve assemblies are rotatably arranged on the left side and the right side of the separation body respectively and are rotatably matched with the objective lens sleeve, and the two eyepiece sleeve assemblies are rotatably engaged with each other. The whole telescope is provided with only one objective lens barrel and does not need to be connected with a supporting arm, compared with an existing binocular telescope, operation is more convenient, the structure is simpler, synchronism is better, microspur circle closing can be achieved, and clearer imaging can be achieved when an object is observed in a close range.

Description

Technical Field

[0001] The utility model belongs to the technical field of telescope devices, and in particular relates to a pair of binoculars. Background Art

[0002] A telescope is an optical instrument used to observe distant objects. It magnifies distant objects through a system of lenses or reflectors, allowing the observer to see clearer distant images. There are many types of telescopes. According to their structure, they are mainly divided into monocular telescopes and binocular telescopes. Among them, binoculars are widely used in daily observation activities because of their good stereoscopic visual effects, comfort and versatility.

[0003] At present, binoculars on the market generally connect the left and right lens barrels by connecting the arms. For example, Chinese patent ZL202223170082.3 discloses a binocular that uses a first connecting block and a second connecting block to connect two single barrels. Binoculars with this structure will have the problem of uneven force on the left and right sides when in use, and the synchronization of the left and right sides cannot be guaranteed; in addition, because the design includes a connecting arm, the distance between the two lens barrels is far, and when observing close objects, this design may hinder the acquisition of clear imaging effects, that is, this design is not conducive to realizing the macro observation function of the telescope.

[0004] In view of this, the prior art needs to be further improved. Utility Model Content

[0005] The purpose of the utility model is to provide a binoculars to solve at least one of the above problems.

[0006] The utility model is realized by the following technical solutions:

[0007] A binocular telescope comprises an objective lens barrel assembly and two eyepiece barrel assemblies, wherein the objective lens barrel assembly comprises an objective lens barrel and a separator connected to the objective lens barrel, and the two eyepiece barrel assemblies are rotatably arranged on the left and right sides of the separator and both are rotationally matched with the objective lens barrel, and the two eyepiece barrel assemblies are rotationally engaged with each other.

[0008] Preferably, the objective lens barrel assembly also includes a focusing lens unit and an objective lens unit, an objective lens cavity is formed in the objective lens barrel, the focusing lens unit is arranged in the objective lens cavity, the objective lens unit is arranged at the front end of the objective lens barrel, the objective lens unit closes the front end of the objective lens cavity, and the rear end of the objective lens barrel is provided with two plug-in circular holes connected to the objective lens cavity, and the eyepiece barrel assembly is rotatably plugged into and matched with the objective lens barrel through the plug-in circular holes; wherein, the focusing lens unit includes a lens mounting plate and a focusing lens mounted on the lens mounting plate, and the objective lens unit includes an objective lens mounting plate and an objective lens mounted on the objective lens mounting plate, and the objective lens on the objective lens mounting plate corresponds one-to-one to the focusing lens on the lens mounting plate.

[0009] Compared with the prior art, the utility model has the following advantages and beneficial effects:

[0010] The binoculars of the utility model independently form an objective lens barrel assembly and two eyepiece barrel assemblies into two parts that rotate and cooperate with each other. The entire telescope has and only includes one objective lens barrel, and the left and right objective lenses are mounted on the same objective lens mounting plate, so that the centers of the left and right objective lenses are maximally close to each other, so that the left and right image images overlap to the maximum extent, so that the close-range imaging can be maximally circular, and clear imaging is achieved when observing objects at close range; at the same time, the objective lenses are mounted on the same mounting plate, and the left and right supporting arms can be omitted, so that the focusing synchronization is greatly increased, the stability is good, and the structure is simple and convenient for processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The drawings described herein are used to provide a further understanding of the embodiments of the present utility model, constitute a part of this application, and do not constitute a limitation of the embodiments of the present utility model. In the drawings:

[0012] Figure 1 It is a three-dimensional structural schematic diagram of the binoculars of the utility model;

[0013] Figure 2 It is a three-dimensional structural schematic diagram of the binoculars of the utility model when the focusing hand wheel and the limit plate are removed;

[0014] Figure 3 It is a three-dimensional structural schematic diagram of the objective lens barrel assembly used in the utility model;

[0015] Figure 4 yes Figure 3 A schematic diagram of the top view of the objective lens barrel assembly shown;

[0016] Figure 5 yes Figure 4 The cross-sectional structure diagram of the objective lens barrel assembly shown in the AA direction;

[0017] Figure 6 yes Figure 4 The cross-sectional structure diagram of the objective lens barrel assembly shown in the BB direction;

[0018] Figure 7 It is a three-dimensional structural schematic diagram of the eyepiece tube assembly used in the utility model;

[0019] Among them, 1-objective lens barrel, 2-separator, 3-eyepiece barrel assembly, 4-focusing hand wheel, 5-eyepiece mounting part, 6-limiting plate, 7-screw,

[0020] 101-plug-in round hole, 102-objective lens cavity, 103-lens mounting plate, 104-objective lens mounting plate, 1021-first guide rail, 1022-second guide rail, 1031-focusing lens,

[0021] 201-first mounting portion, 202-second mounting portion, 203-first arc portion, 204-cover body, 205-notch portion,

[0022] 301-meshing teeth, 302-second arc portion, 303-plug-in portion,

[0023] 701-first segment, 702-second segment. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solutions and advantages of the utility model more clearly understood, the utility model is further described in detail below in conjunction with embodiments and drawings. The schematic implementation manner of the utility model and its description are only used to explain the utility model and are not intended to limit the utility model.

[0025] like Figures 1 to 7 As shown, the utility model provides a binoculars, which includes an objective lens barrel assembly and two eyepiece barrel assemblies 3, wherein the objective lens barrel assembly includes an objective lens barrel 1 and a separator 2 connected to the objective lens barrel 1, and the two eyepiece barrel assemblies 3 are rotatably arranged on the left and right sides of the separator 2 and are both rotatably matched with the objective lens barrel 1, and the two eyepiece barrel assemblies 3 are rotatably engaged with each other.

[0026] It should be noted that binoculars in the prior art generally connect the left and right lens barrels through a connecting arm, and the two lens barrels are separately arranged. Binoculars with this structure will have the problem of uneven force on the left and right sides when in use, and the synchronization of the left and right sides cannot be guaranteed; in addition, since the design includes a connecting arm, the distance between the two lens barrels is far, and the focus cannot be adjusted to achieve a high-precision macro observation function, which results in a clear imaging effect cannot be obtained when observing close objects. Through the above technical scheme, the utility model has two eyepiece barrel assemblies 3 that are rotatably engaged with each other, which ensures that the user can perform synchronous focusing and field of view adjustment when using. At the same time, since the two eyepiece barrel assemblies 3 have and only correspond to one objective lens barrel 1, the eyepiece barrel assembly 3 and the objective lens barrel 1 of the objective lens barrel assembly are rotatably matched, and the eyepiece of the eyepiece barrel assembly 3 and the objective lens barrel 1 of the objective lens barrel assembly are not relatively fixed, which can ensure that the two eyepiece barrel assemblies 3 will not affect the objective lens, focusing lens, etc. at the objective lens barrel 1 when rotating, thereby overcoming the problem of poor synchronization caused by uneven force.

[0027] It should be noted that the connection between the objective lens barrel 1 and the separator 2 can be an integral connection or a split connection. In this embodiment, an integral connection is preferably adopted, which helps to reduce the installation process and the matching error between the components.

[0028] In order to better achieve the purpose of the utility model, the objective lens barrel assembly also includes a focusing lens unit and an objective lens unit, wherein an objective lens cavity 102 is formed in the objective lens barrel 1, a focusing lens unit is arranged in the objective lens cavity 102, an objective lens unit is arranged at the front end of the objective lens barrel 1, the objective lens unit seals the front end of the objective lens cavity 102, and two plug-in circular holes 101 are arranged at the rear end of the objective lens barrel 1 that are connected to the objective lens cavity 102, and the eyepiece barrel assembly 3 is rotatably plugged and matched with the objective lens barrel 1 through the plug-in circular holes 101; the focusing lens unit can slide in the objective lens cavity 102 along the front-back direction to achieve focusing. More specifically, the focusing lens unit includes a lens mounting plate 103 and a focusing lens 1031 mounted on the lens mounting plate 103, and the focusing lenses 1031 are two symmetrically arranged; the objective lens unit includes an objective lens mounting plate 104 and an objective lens mounted on the objective lens mounting plate 104, and the objective lens on the objective lens mounting plate 104 corresponds to the focusing lens 1031 on the lens mounting plate 103. By mounting the (two left and right) objective lenses on the same objective lens mounting plate 104 located at the objective lens cavity 102, the distance between the two objective lenses can be very close, which helps to achieve macro circle alignment and clear imaging when observing objects at close range.

[0029] Furthermore, the objective lens barrel assembly further comprises a focusing hand wheel 4 and a screw rod 7, wherein the focusing hand wheel 4 is connected to the screw rod 7, and the screw rod 7 is drivingly connected to the focusing lens unit. Figure 5 and Figure 6 The screw rod 7 realizes the transmission connection through the threaded hole on the lens mounting plate 103. When the screw rod 7 is rotated by the focusing hand wheel 4, the screw rod 7 can drive the lens mounting plate 103 to move in the front-rear direction in the objective lens cavity 102 to realize focusing.

[0030] In order to better achieve the purpose of the utility model, a guide rail along the front-to-back direction is also provided on the wall of the objective lens cavity 102, and a guide groove corresponding to the guide rail is provided on the lens mounting plate 103. Through such a setting, the sliding of the focus lens unit in the front-to-back direction can be guided to ensure that it slides smoothly when focusing. Preferably, the guide rail is provided in plurality, and the shapes of the guide rails can be different, for example Figure 6 The first guide rail 1021 and the second guide rail 1022 are shown; the guide grooves can also be different, which will not be described in detail here. It should also be understood that the guide rails can also be set on the lens mounting plate 103, and the guide grooves can be correspondingly set on the wall of the objective lens cavity 102. This method also belongs to the protection scope of the utility model and will not be described in detail here.

[0031] Further preferably, the screw rod 7 includes a first segment 701 and a second segment 702, the first segment 701 is used for transmission connection with the focusing lens unit, and is provided with a thread, and the second segment 702 is provided with a limit ring to ensure that the screw rod 7 does not move axially when rotating.

[0032] In order to better achieve the purpose of the utility model, the separator 2 is formed with a first mounting portion 201 and a second mounting portion 202 at one end away from the objective lens barrel 1, and a notch portion 205 is formed between the first mounting portion 201 and the second mounting portion 202, and the two eyepiece barrel assemblies 3 are rotatably engaged at the notch portion 205. Furthermore, a limiting plate 6 is installed at the first mounting portion 201 and the second mounting portion 202, and the limiting plate 6 limits the two eyepiece barrel assemblies 3 between the limiting plate 6 and the objective lens barrel 1 in the front-to-back direction. With such an arrangement, the two eyepiece barrel assemblies 3 are limited in the front-to-back direction, because the two eyepiece barrel assemblies 3 are rotatably engaged with the objective lens barrel 1 through the plug-in circular hole 101, that is, the two eyepiece barrel assemblies 3 are plugged into the plug-in circular hole 101 (see Figure 3 The plug-in connection here is specifically realized by the plug-in portion 303 on the eyepiece barrel assembly 3). The two eyepiece barrel assemblies 3 can be restricted here and prevented from falling off by limiting in the front-to-back direction, while ensuring that the rotational engagement of the two eyepiece barrel assemblies 3 is not affected.

[0033] In order to better achieve the purpose of the utility model, the first arc-shaped portion 203 is formed on both the left and right sides of the separator 2, and the second arc-shaped portion 302 is formed on the eyepiece barrel assembly 3. The first arc-shaped portion 203 and the second arc-shaped portion 302 are rotatably matched, and the shapes of the two are adapted to ensure smooth rotation operation. Exemplarily, the first arc-shaped portion 203 can be designed as a circular arc groove, and the second arc-shaped portion 302 is a circular arc protrusion adapted thereto, so that during the rotation process, the two arc-shaped portions can be closely matched, the gap is reduced, and the stability and durability of the overall structure are improved.

[0034] Preferably, both eyepiece barrel assemblies 3 are provided with meshing teeth 301 , and the two eyepiece barrel assemblies 3 are rotationally meshed at the notch portion 205 through the meshing teeth 301 .

[0035] In order to better achieve the purpose of the utility model, the focusing hand wheel 4 is arranged on the side of the limit plate 6 away from the objective lens barrel 1, and the lead screw 7 passes through the limit plate 6 and the separator 2 in sequence after being connected with the focusing hand wheel 4, and finally penetrates into the objective lens cavity 102. Through such a setting, the focusing hand wheel 4 is located on the side close to the user, which is convenient for the user to operate and adjust.

[0036] In order to better achieve the purpose of the utility model, a removable cover 204 is also provided on the top of the partition 2. When the screw rod 7 passes through the partition 2, it is at least partially located between the partition 2 and the cover 204. Such a setting is helpful for maintenance of the screw rod 7, such as lubrication and other operations by opening the cover 204.

[0037] It should also be noted that a prism unit is also provided inside the eyepiece barrel assembly for changing the optical path, correcting aberrations, etc. This arrangement is very common in the prior art and is not the innovative point of the present invention, so it will not be described in detail here. Further, an eyepiece mounting portion 5 is also provided at the eyepiece barrel assembly 3 for mounting an eyepiece, and the eyepiece is detachably mounted. When the binoculars of the present invention are used, light passes through the objective lens at the objective lens mounting plate 104, the focusing lens 1031, and the prism unit in sequence, and finally enters the eyepiece to achieve observation of distant objects.

[0038] The specific implementation methods described above further illustrate the purpose, technical solutions and beneficial effects of the utility model in detail. It should be understood that the above description is only the specific implementation method of the utility model and is not used to limit the protection scope of the utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A binocular telescope comprising an objective lens barrel assembly and two eyepiece lens barrel assemblies (3), characterized in that: The objective lens barrel assembly comprises an objective lens barrel (1) and a separator (2) connected to the objective lens barrel (1); two eyepiece barrel assemblies (3) are rotatably arranged on the left and right sides of the separator (2) and are both rotatably matched with the objective lens barrel (1); and the two eyepiece barrel assemblies (3) are rotatably engaged with each other.

2. A binoculars according to claim 1, characterized in that: The objective lens barrel assembly has and only includes one objective lens barrel (1).

3. A binoculars according to claim 1, characterized in that: The objective lens barrel assembly further comprises a focusing lens unit and an objective lens unit, wherein an objective lens cavity (102) is formed in the objective lens barrel (1), the focusing lens unit is arranged in the objective lens cavity (102), the objective lens unit is arranged at the front end of the objective lens barrel (1), the objective lens unit seals the front end of the objective lens cavity (102), the rear end of the objective lens barrel (1) is provided with two plugging circular holes (101) which are in conduction with the objective lens cavity (102), and the eyepiece barrel assembly (3) is rotatably plugged and matched with the objective lens barrel (1) through the plugging circular holes (101).

4. A binoculars according to claim 3, characterized in that: The focusing lens unit comprises a lens mounting plate (103) and a focusing lens (1031) mounted on the lens mounting plate (103); the objective lens unit comprises an objective lens mounting plate (104) and an objective lens mounted on the objective lens mounting plate (104); the objective lens on the objective lens mounting plate (104) corresponds one-to-one to the focusing lens (1031) on the lens mounting plate (103).

5. A binoculars according to claim 4, characterized in that: The objective lens barrel assembly further comprises a focusing hand wheel (4) and a lead screw (7); the focusing hand wheel (4) is connected to the lead screw (7), and the lead screw (7) is drivingly connected to the focusing lens unit.

6. A binoculars according to any one of claims 1 to 5, characterized in that: The separator (2) is formed with a first mounting portion (201) and a second mounting portion (202) at one end away from the objective lens barrel (1), a notch portion (205) is formed between the first mounting portion (201) and the second mounting portion (202), and the two eyepiece barrel assemblies (3) are rotatably engaged at the notch portion (205).

7. A binoculars according to claim 6, characterized in that: A limiting plate (6) is installed at the first mounting portion (201) and the second mounting portion (202), and the limiting plate (6) limits the binocular lens barrel assembly (3) between the limiting plate (6) and the objective lens barrel (1) in the front-to-back direction.

8. A binoculars according to claim 6, characterized in that: A first arc-shaped portion (203) is formed on both left and right sides of the separator (2), a second arc-shaped portion (302) is formed on the eyepiece barrel assembly (3), and the first arc-shaped portion (203) and the second arc-shaped portion (302) are rotatably matched.

9. A binoculars according to claim 6, characterized in that: The focusing hand wheel (4) is arranged on a side of the limiting plate (6) away from the objective lens barrel (1), and after being connected to the focusing hand wheel (4), the lead screw (7) passes through the limiting plate (6) and the separator (2) in sequence, and finally penetrates into the objective lens cavity (102).

10. A binoculars according to claim 9, characterized in that: A detachable cover (204) is also provided on the top of the separator (2), and when the screw rod (7) passes through the separator (2), at least part of it is located between the separator (2) and the cover (204).

Images