Adjustable objective lens device for photoelectric product

Abstract

An adjustable objective lens device for a photoelectric product comprises an adjustable objective lens body with a lens cone (2) and an adjusting hand wheel (5), and a lens base (3) arranged between the lens cone (2) and the adjusting hand wheel (5), the adjustable objective lens device can be used as an objective lens of the photoelectric product through the adjustable objective lens body, and the adjusting hand wheel (5) can be clamped and fixed through the lens base (3). According to the adjustable objective lens, the combined effect of limiting the rotational degree of freedom of the focusing lens and positioning the adjusting hand wheel (5) by a blocking position formed by the installation of the end part is realized, and the technical problem that the adjusting hand wheel is not positioned is solved, so that the structure of the adjustable objective lens is optimized.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of adjustable objective lens devices, especially a kind of adjustable objective lens device for photoelectric product. BACKGROUND

[0002] Objective lens is used to observe the visual optics of the image formed by front optical system, is the component of visual optical instrument such as telescope, microscope, and the main role is to be enlarged by objective lens again The real image is enlarged. To eliminate aberration, objective lens is usually combined by several lenses, has larger field of view and angle of view magnification, so adjustable objective lens device for photoelectric product is an important photoelectric product component, in the existing adjustable objective lens device for photoelectric product, there is no positioning to adjusting hand wheel, to realize the rotation freedom of focusing lens is limited, need to install limiting device on focusing lens again, so that the structure of adjustable objective lens is complicated,

[0003] The utility model discloses a kind of by the installation of end head component to form blocking position to the rotation freedom of focusing lens is limited and the positioning of adjusting hand wheel is cooperated with the technical features of the technical problem that there is no positioning to adjusting hand wheel is effectively explored on technical level. SUMMARY

[0004] The utility model discloses the object is a kind of adjustable objective lens device for photoelectric product.

[0005] To overcome the above technical defects, the utility model aims at providing a kind of adjustable objective lens device for photoelectric product, so the structure of adjustable objective lens is optimized.

[0006] To achieve the above object, the utility model takes the technical scheme that: containing adjustable objective lens body with lens barrel and adjusting hand wheel, mirror seat is set between lens barrel and adjusting hand wheel.

[0007] Since adjustable objective lens body and mirror seat are designed, by adjustable objective lens body, it is realized that it is used as objective lens for photoelectric product, by mirror seat, it is realized that adjusting hand wheel is fixed by clamping mouth body, it is realized that by the installation of end head component to form blocking position to the rotation freedom of focusing lens is limited and adjusting hand wheel is positioned cooperation, solve the technical problem that there is no positioning to adjusting hand wheel, so the structure of adjustable objective lens is optimized.

[0008] The utility model designs, according to the installation of end head component to form blocking position to the rotation freedom of focusing lens is limited and adjusting hand wheel is positioned cooperation mode to mutually link adjustable objective lens body and mirror seat.

[0009] The utility model discloses, according to the fixed mode of clamping mouth body, the lens holder is connected with adjustable objective body.

[0010] The utility model discloses, adjustable objective body is set to contain objective and guide screw.

[0011] The technical effects of the above three technical schemes are that the annular notch is formed by the trapezoidal connection, and the adjusting hand wheel is positioned by the annular notch.

[0012] The utility model discloses, still contain first accessory device and first accessory device set up between lens holder and adjustable objective body, first accessory device is set to be the pressing ring.

[0013] The utility model discloses, still contain second accessory device and second accessory device set up in adjustable objective body, second accessory device is set to contain first sealing ring and second sealing ring.

[0014] The technical effects of the above two technical schemes are that the integrated installation of other components is realized, and the technical effects of the utility model are expanded.

[0015] The utility model discloses, set up the lens barrel on the lens holder, set up the pressing ring and adjusting hand wheel between the lens barrel and lens holder and set up second sealing ring between adjusting hand wheel and lens barrel, set up objective in the lens barrel and set up first sealing ring between objective and lens barrel, set up guide screw between objective and lens barrel and adjusting hand wheel.

[0016] The technical effects of the above technical scheme are that the basic technical scheme of the utility model is composed of objective, lens barrel, lens holder, pressing ring, adjusting hand wheel, guide screw, first sealing ring and second sealing ring, and the technical problems of the utility model are solved.

[0017] The utility model discloses, lens holder is set up as the block body of the center hole body of trapezoidal thread and the center hole body of lens holder is set up as with the thread type coupling of lens barrel, the inner end face part of lens holder is set up as with the corresponding distribution of lens barrel and the inner end face edge part of lens holder is set up as with the contact type coupling of adjusting hand wheel, the recess body of the outer end face part of lens holder is set up as with objective and pressing ring coupling respectively and the outer end face part of lens holder is set up as with the shell coupling of photoelectric product respectively.

[0018] The technical effects of the above technical scheme are that the nut piece body installation of clamping notch is realized.

[0019] The utility model discloses, objective lens sets up to contain mirror shell department and lens department and is provided with accommodating hole body I in the peripheral side surface department of mirror shell department, mirror shell department sets up with the lens department accommodating type coupling and the peripheral side surface department of lens department sets up with the internal coupling of mirror shell department, mirror shell department sets up with the lens barrel through -type coupling and the peripheral side surface department of mirror shell department sets up with the first sealing ring accommodating type coupling, accommodating hole body I sets up with the guide screw thread type coupling.

[0020] The utility model discloses, mirror shell department sets up the cylindrical body with the step body of peripheral side surface department and lens department sets up the convex and concave lens combination spare, accommodating hole body I sets up the screw hole body and accommodating hole body I sets up along the peripheral contour line interval arrangement distribution of mirror shell department.

[0021] The utility model discloses, be provided with accommodating hole body II on the extension inside of the cylinder department of lens barrel and be provided with screw body on the contraction of cylinder department, cylinder department sets up with objective lens accommodating type coupling and the inner wall of cylinder department sets up with objective lens contact type coupling, the extension of cylinder department sets up with the regulating hand wheel through -type coupling and the extension outside of cylinder department sets up with the second sealing ring accommodating type coupling, the extension inside wall of cylinder department sets up with the first sealing ring contact type coupling, the peripheral side step body of cylinder department sets up with mirror seat corresponding distribution and the flange body on the extension outside of cylinder department sets up with regulating hand wheel contact type coupling, accommodating hole body II sets up with the guide screw coupling and screw body sets up with mirror seat and pressure ring thread type coupling respectively.

[0022] The utility model discloses, cylinder department sets up the cylindrical body with the step body of peripheral side surface department and accommodating hole body II sets up the strip hole body, accommodating hole body II sets up along the peripheral contour line interval arrangement distribution of cylinder department, screw body sets up trapezoidal thread.

[0023] The utility model discloses, be provided with accommodating groove body on the contraction inside wall of the pipe department of regulating hand wheel and pipe department sets up with lens barrel suit type coupling, the extension inside wall of pipe department sets up with the second sealing ring contact type coupling and one of the port department of pipe department sets up with lens barrel contact type coupling, another port department of pipe department sets up with mirror seat contact type coupling and accommodating groove body sets up with guide screw coupling.

[0024] The utility model discloses, pipe department sets up the plastic cylindrical body with convex letterform hole body and accommodating groove body sets up spiral recess body, accommodating groove body sets up along pipe department contraction inside wall interval arrangement distribution.

[0025] The utility model discloses, guide screw sets up the internal hexagon bolt and the internal end head of guide screw sets up with objective lens thread type coupling, the external end head of guide screw sets up with lens barrel through -type coupling and the external end head of guide screw sets up with regulating hand wheel sinking type coupling.

[0026] The technical effects of the six technical solutions above are that the adjustable objective lens is installed and set.

[0027] The utility model discloses, the compression circle sets up as flat hexagon nut and the compression circle sets up as with the lens barrel thread formula coupling, and the inner end face of compression circle sets up as with the mirror seat contact formula coupling.

[0028] The technical effects of the above technical solutions are that the mirror seat and the lens barrel are reinforced and connected.

[0029] The utility model discloses, the first sealing ring sets up as O shape sealing ring and the periphery side of first sealing ring inside sets up as with the objective lens embedded formula coupling, and the periphery side of first sealing ring outside sets up as with the lens barrel contact formula coupling.

[0030] The technical effects of the above technical solutions are that the objective lens and the lens barrel are sealed.

[0031] The utility model discloses, the second sealing ring sets up as O shape sealing ring and the periphery side of second sealing ring inside sets up as with the lens barrel embedded formula coupling, and the periphery side of second sealing ring outside sets up as with the adjusting hand wheel contact formula coupling.

[0032] The technical effects of the above technical solutions are that the adjusting hand wheel and the lens barrel are sealed.

[0033] The utility model discloses, the objective lens and the lens barrel, the mirror seat, the adjusting hand wheel and the guide screw set up as according to the drive mode distribution and the objective lens, the lens barrel, the mirror seat, the adjusting hand wheel and the guide screw with compression circle set up as according to the compression fixed mode distribution, the objective lens, the lens barrel, the mirror seat, the adjusting hand wheel and the guide screw with first sealing ring and second sealing ring set up as according to the sealing fixed mode distribution.

[0034] The utility model discloses, the center line of objective lens, the center line of lens barrel, the center line of mirror seat, the center line of compression circle, the center line of adjusting hand wheel, the center line of first sealing ring and the center line of second sealing ring set up on the same straight line, and at least three guide screws are arranged between the objective lens and the lens barrel and the adjusting hand wheel, the pipe portion sets up as with the barrel portion coupling, and the barrel portion sets up as with the mirror shell portion coupling.

[0035] In the technical scheme, the mirror seat is a basic component, and is also a necessary technical feature of the utility model, the objective lens, the lens barrel, the compression circle, the adjusting hand wheel, the guide screw, the first sealing ring and the second sealing ring are functional components, and are features for realizing other technical effects of the utility model, and the design of the mirror shell portion, the lens portion, the accommodating hole body I, the barrel portion, the accommodating hole body II, the threaded body, the pipe portion and the accommodating groove body is in line with the technical features of the patent law and its implementation details.

[0036] In the technical solution, the mounting of the end head part forms a blocking position, which limits the rotation freedom of the focusing lens and positions the adjusting hand wheel, and the mounting of the end head part forms the blocking position by the lens holder.

[0037] In the technical solution, the mounting of the end head part forms a blocking position, which limits the rotation freedom of the focusing lens and positions the adjusting hand wheel, and the mounting of the end head part forms the blocking position by the lens holder. BRIEF DESCRIPTION OF DRAWINGS

[0038] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0039] Figure 1 is a schematic view of one of the first embodiments of the present application,

[0040] Objective-1, lens barrel-2, lens holder-3, compression ring-4, adjusting hand wheel-5, guide screw-6, first sealing ring-7, second sealing ring-8, lens shell part-11, lens part-12, containing hole body I-13, barrel part-21, containing hole body II-22, threaded body-23, tube part-51, containing groove body-52. DETAILED DESCRIPTION

[0041] According to the examination guidelines, the terms such as "have", "contain" and "include" used in the present application should be understood as not including or adding one or more other elements or combinations thereof.

[0042] In the description of the present application, it should be explained that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation of the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0043] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, term "installation", "link", "connection" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be two elements inside the communication.For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0044] In addition, the technical features involved in the different embodiments of the utility model described below can be combined with each other as long as there is no conflict between them, and otherwise, unless otherwise stated, the equipment and materials used in the following examples are commercially available, and if the processing conditions are not explicitly stated, please refer to the product manual or follow the conventional method in the art.

[0045] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all. Based on the embodiments in the utility model, all other embodiments obtained by ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0046] Figure 1 For one of the first embodiments of the utility model, the embodiment will be specifically described with reference to the drawings, which comprises objective lens 1, lens barrel 2, lens seat 3, compression ring 4, adjusting hand wheel 5, guide screw 6, first sealing ring 7 and second sealing ring 8, and lens barrel 2 is arranged on lens seat 3, compression ring 4 and adjusting hand wheel 5 are arranged between lens barrel 2 and lens seat 3, and second sealing ring 8 is arranged between adjusting hand wheel 5 and lens barrel 2, objective lens 1 is arranged in lens barrel 2, and first sealing ring 7 is arranged between objective lens 1 and lens barrel 2, and guide screw 6 is arranged between objective lens 1 and lens barrel 2 and adjusting hand wheel 5.

[0047] For one of the first embodiments of the utility model, the embodiment will be specifically described with reference to the drawings, which comprises objective lens 1, lens barrel 2, lens seat 3, compression ring 4, adjusting hand wheel 5, guide screw 6, first sealing ring 7 and second sealing ring 8, and lens barrel 2 is arranged on lens seat 3, compression ring 4 and adjusting hand wheel 5 are arranged between lens barrel 2 and lens seat 3, and second sealing ring 8 is arranged between adjusting hand wheel 5 and lens barrel 2, objective lens 1 is arranged in lens barrel 2, and first sealing ring 7 is arranged between objective lens 1 and lens barrel 2, and guide screw 6 is arranged between objective lens 1 and lens barrel 2 and adjusting hand wheel 5.

[0048] By the objective lens 1, the support connection points of the lens barrel 2, the guide screw 6 and the first sealing ring 7 are formed, the connection with the lens barrel 2 is realized by the lens housing part 11, the connection with the first sealing ring 7 is realized, the connection with the guide screw 6 is realized by the accommodating hole body I 13, the connection with the guide screw 6 is realized by the accommodating hole body I 13, the visual processing of the image is realized by the lens part 12, and the technical purpose is to be used as a visual component in photoelectric products.

[0049] In the embodiment, the lens housing part 11 is provided as a cylindrical body with a stepped body on the peripheral side surface part, and the lens part 12 is provided as a convex-concave lens combination, the accommodating hole body I 13 is provided as a threaded hole body, and the accommodating hole body I 13 is provided as being distributed in an interval along the peripheral contour line of the lens housing part 11.

[0050] The technical purpose is to realize the convex-shaped mirror body setting.

[0051] In the embodiment, the accommodating hole body II 22 is provided on the expanded inner part of the barrel part 21 of the lens barrel 2, and the threaded body 23 is provided on the contracted part of the barrel part 21, the barrel part 21 is provided as being accommodatedly coupled with the objective lens 1, and the inner wall of the barrel part 21 is provided as being contactly coupled with the objective lens 1, the expanded part of the barrel part 21 is provided as being penetratively coupled with the adjusting hand wheel 5, and the expanded outer part of the barrel part 21 is provided as being accommodatedly coupled with the second sealing ring 8, the expanded part inner wall of the barrel part 21 is provided as being contactly coupled with the first sealing ring 7, the peripheral side surface stepped body of the barrel part 21 is provided as being distributed corresponding to the lens seat 3, and the flange body located on the expanded outer part of the barrel part 21 is provided as being contactly coupled with the adjusting hand wheel 5, the accommodating hole body II 22 is provided as being coupled with the guide screw 6, and the threaded body 23 is respectively provided as being threadedly coupled with the lens seat 3 and the compression ring 4.

[0052] By the lens barrel 2, the support connection points of the objective lens 1, the lens seat 3, the compression ring 4, the adjusting hand wheel 5, the guide screw 6 and the second sealing ring 8 are formed, the connection with the objective lens 1 is realized by the barrel part 21, the connection with the adjusting hand wheel 5 is realized, the connection with the second sealing ring 8 is realized, the connection with the lens seat 3 is realized by the threaded body 23, the connection with the compression ring 4 is realized, and the connection with the guide screw 6 is realized by the accommodating hole body II 22, and the technical purpose is to be used as a support carrier for the objective lens 1.

[0053] In the embodiment, the barrel part 21 is provided as a cylindrical body with a stepped body on the peripheral side surface part, and the accommodating hole body II 22 is provided as a long strip hole body, the accommodating hole body II 22 is provided as being distributed in an interval along the peripheral contour line of the barrel part 21, and the threaded body 23 is provided as a trapezoidal thread.

[0054] The technical purpose is to realize the guiding and moving support of the objective lens 1.

[0055] In this embodiment, the lens holder 3 is provided as a T-shaped block body having a trapezoidal threaded central hole body and the central hole body of the lens holder 3 is provided to be threadedly coupled with the lens barrel 2, the inner end face portion of the lens holder 3 is provided to be correspondingly distributed with the lens barrel 2 and the inner end face edge portion of the lens holder 3 is provided to be contact-coupled with the adjusting hand wheel 5, the groove bodies located at the outer end face portion of the lens holder 3 are respectively provided to be coupled with the objective lens 1 and the compression ring 4 and the outer end face portion of the lens holder 3 is respectively provided to be coupled with the compression ring 4 and the housing of the photoelectric product.

[0056] By means of the lens holder 3, the support connection points of the objective lens 1, the lens barrel 2, the compression ring 4 and the adjusting hand wheel 5 are formed, the connection with the objective lens 1 is realized by the lens holder 3, the connection with the lens barrel 2 is realized, the connection with the compression ring 4 is realized, the connection with the adjusting hand wheel 5 is realized, and the technical purpose is to serve as a component for supporting and connecting the lens barrel 2.

[0057] In this embodiment, the compression ring 4 is provided as a flat hexagonal nut and the compression ring 4 is provided to be threadedly coupled with the lens barrel 2, the inner end face portion of the compression ring 4 is provided to be contact-coupled with the lens holder 3.

[0058] By means of the compression ring 4, the support connection points of the lens barrel 2 and the lens holder 3 are formed, the connection with the lens barrel 2 is realized by the compression ring 4, the connection with the lens holder 3 is realized, and the technical purpose is to serve as a component for connecting between the lens barrel 2 and the lens holder 3.

[0059] In this embodiment, the accommodation groove body 52 is provided on the inner wall of the contraction portion of the tube portion 51 of the adjusting hand wheel 5 and the tube portion 51 is provided to be suitably coupled with the lens barrel 2, the inner wall of the expansion portion of the tube portion 51 is provided to be contact-coupled with the second sealing ring 8 and one of the port portions of the tube portion 51 is provided to be contact-coupled with the lens barrel 2, the other of the port portions of the tube portion 51 is provided to be contact-coupled with the lens holder 3 and the accommodation groove body 52 is provided to be coupled with the guide screw 6.

[0060] By means of the adjusting hand wheel 5, the support connection points of the lens barrel 2, the lens holder 3, the guide screw 6 and the second sealing ring 8 are formed, the connection with the lens barrel 2 is realized by the tube portion 51, the connection with the lens holder 3 is realized, the connection with the second sealing ring 8 is realized, the connection with the guide screw 6 is realized by the accommodation groove body 52, and the technical purpose is to serve as one of the components for enabling the lateral movement of the objective lens 1 in the lens barrel 2.

[0061] In this embodiment, the tube portion 51 is provided as a plastic cylindrical body having a convex hole body and the accommodation groove body 52 is provided as a spiral groove body, the accommodation groove body 52 is provided to be spaced apart and distributed along the inner wall of the contraction portion of the tube portion 51.

[0062] The technical purpose is to realize the rotation between the lens barrel 2 and the lens holder 3.

[0063] In the embodiment, the guide screw 6 is provided as a hexagonal socket head cap screw and the inner end of the guide screw 6 is provided as being threadedly coupled with the objective lens 1, the outer end of the guide screw 6 is provided as being through-coupled with the lens barrel 2 and the outer end of the guide screw 6 is provided as being sunkly coupled with the adjusting hand wheel 5.

[0064] By the guide screw 6, a support connection point for the objective lens 1, the lens barrel 2 and the adjusting hand wheel 5 is formed, the connection with the objective lens 1 is achieved by the guide screw 6, the connection with the lens barrel 2 is achieved by the guide screw 6, the connection with the adjusting hand wheel 5 is achieved by the guide screw 6, and the technical purpose is to serve as two components for lateral movement of the objective lens 1 in the lens barrel 2.

[0065] In the embodiment, the first sealing ring 7 is provided as an O-ring and the inner periphery side of the first sealing ring 7 is provided as being embeddedly coupled with the objective lens 1 and the outer periphery side of the first sealing ring 7 is provided as being contactly coupled with the lens barrel 2.

[0066] By the first sealing ring 7, a support connection point for the objective lens 1 and the lens barrel 2 is formed, the connection with the objective lens 1 is achieved by the first sealing ring 7, the connection with the lens barrel 2 is achieved by the first sealing ring 7, and the technical purpose is to serve as a component for sealing treatment between the objective lens 1 and the lens barrel 2.

[0067] In the embodiment, the second sealing ring 8 is provided as an O-ring and the inner periphery side of the second sealing ring 8 is provided as being embeddedly coupled with the lens barrel 2 and the outer periphery side of the second sealing ring 8 is provided as being contactly coupled with the adjusting hand wheel 5.

[0068] By the second sealing ring 8, a support connection point for the lens barrel 2 and the adjusting hand wheel 5 is formed, the connection with the lens barrel 2 is achieved by the second sealing ring 8, the connection with the adjusting hand wheel 5 is achieved by the second sealing ring 8, and the technical purpose is to serve as a component for sealing treatment between the lens barrel 2 and the adjusting hand wheel 5.

[0069] In the embodiment, the objective lens 1, the lens barrel 2, the lens seat 3, the adjusting hand wheel 5 and the guide screw 6 are provided as being distributed in a driving movement manner, the objective lens 1, the lens barrel 2, the lens seat 3, the adjusting hand wheel 5 and the guide screw 6 are provided as being distributed in a compression fixation manner with the compression ring 4, the objective lens 1, the lens barrel 2, the lens seat 3, the adjusting hand wheel 5 and the guide screw 6 are provided as being distributed in a sealing fixation manner with the first sealing ring 7 and the second sealing ring 8, the center line of the objective lens 1, the center line of the lens barrel 2, the center line of the lens seat 3, the center line of the compression ring 4, the center line of the adjusting hand wheel 5, the center line of the first sealing ring 7 and the center line of the second sealing ring 8 are provided on the same straight line, at least three guide screws 6 are provided between the objective lens 1, the lens barrel 2 and the adjusting hand wheel 5, the tube part 51 is provided as being coupled with the barrel part 21, and the barrel part 21 is provided as being coupled with the lens shell part 11.

[0070] The use method of the embodiment is as follows: the first sealing ring 7 is placed on the lens barrel part 11, the lens barrel part 11 is installed in the barrel part 21, the guide screw 6 is placed in the accommodating hole body II 22, the inner end of the guide screw 6 is rotated in the accommodating hole body I 13, the second sealing ring 8 is placed on the expanded outer part of the barrel part 21, the pipe part 51 is sleeved on the barrel part 21, the outer end of the guide screw 6 is placed in the accommodating groove body 52, the lens seat 3 is rotated on the threaded body 23, the inner end surface edge part of the lens seat 3 is in contact with the flange body on the expanded outer part of the barrel part 21 and the port part of the pipe part 51, a rotating torque is applied to the pipe part 51, when the rotating feeling of the pipe part 51 is optimal, the pressing ring 4 is rotated on the threaded body 23, and the inner end surface part of the pressing ring 4 acts on the outer end surface part of the lens seat 3, so that the adjustable objective lens device is assembled and installed,

[0071] When the pipe part 51 is rotated between the barrel part 21 and the lens seat 3, the guide screw 6 is driven by the accommodating groove body 52 to move transversely in the accommodating hole body II 22, the lens barrel part 11 is driven by the guide screw 6 to move transversely in the barrel part 21, and the objective lens 1 is focused.

[0072] When the utility model is verified, the inventor discards the prior art feature that the adjusting hand wheel is not positioned, first puts forward the technical feature that the blocking position formed by the installation of the end part member limits the rotating freedom of the focusing lens and positions the adjusting hand wheel 5 in cooperation, obtains a first unexpected technical effect that the installation position between the objective lens 1, the lens barrel 2 and the adjusting hand wheel 5 is realized by one member, optimizes the installation position, realizes the light weight of the adjustable objective lens device, obtains a second unexpected technical effect that the butt joint connection is realized by the trapezoidal threaded body, improves the connecting strength between the lens barrel 2 and the lens seat 3, obtains a third unexpected technical effect that the installation position between the adjusting hand wheel 5 and the guide screw 6 is accurately positioned, guarantees the connecting stability between the adjusting hand wheel 5 and the guide screw 6, obtains a fourth unexpected technical effect that a plurality of connecting channels are arranged between the adjusting hand wheel 5 and the guide screw 6, improves the use reliability of the adjustable objective lens device, obtains a fifth unexpected technical effect that the connecting thread between the lens barrel 2 and the lens seat 3 is braked by the pressing ring 4, prevents the installation position between the objective lens 1, the lens barrel 2 and the adjusting hand wheel 5 from changing, and obtains a sixth unexpected technical effect that the objective lens 1, the lens barrel 2 and the adjusting hand wheel 5 are sealed and installed.

[0073] In the second embodiment of the utility model, the adjustable objective lens body and the lens seat 3 are connected to each other in the manner that the blocking position formed by the installation of the end part member limits the rotating freedom of the focusing lens and positions the adjusting hand wheel 5 in cooperation.

[0074] In the embodiment, the nosepiece 3 is coupled with the adjustable objective body in a manner of fixing the clamping port body.

[0075] In the embodiment, the adjustable objective body is arranged to contain the objective 1 and the guide screw 6.

[0076] In the embodiment, the first accessory device is further contained and arranged between the nosepiece 3 and the adjustable objective body, and the first accessory device is arranged as the compression ring 4.

[0077] In the embodiment, the second accessory device is further contained and arranged in the adjustable objective body, and the second accessory device is arranged to contain the first sealing ring 7 and the second sealing ring 8.

[0078] The second embodiment of the utility model is based on the first embodiment.

[0079] The utility model has the following characteristics:

[0080] 1. Since the adjustable objective body and the nosepiece 3 are designed, the adjustable objective body is used for the objective of the photoelectric product, the clamping port body of the nosepiece 3 is fixed, the rotation freedom of the focusing lens is limited by the blocking position formed by the installation of the end component, the positioning of the adjusting hand wheel 5 is combined, the technical problem that the adjusting hand wheel is not positioned is solved, and therefore the structure of the adjustable objective is optimized.

[0081] 2. Since the objective 1, the lens barrel 2, the adjusting hand wheel 5 and the guide screw 6 are designed, the position of the objective 1 in the lens barrel 2 is adjusted by the adjusting hand wheel 5 and the guide screw 6.

[0082] 3. Since the compression ring 4 is designed, the adjusting hand wheel 5 is clamped and positioned between the lens barrel 2.

[0083] 4. Since the first sealing ring 7 and the second sealing ring 8 are designed, the sealing treatment between the objective 1, the lens barrel 2 and the adjusting hand wheel 5 is realized.

[0084] 5. Since the numerical range of the structure shape is limited, the numerical range is a technical feature in the technical scheme of the utility model, not a technical feature obtained by formula calculation or a limited number of tests, and the test shows that the numerical range of the technical feature has good technical effect.

[0085] 6. Since the technical features of the utility model are designed, the performance indicators of the utility model are at least 1.7 times of the existing performance indicators through the test, and the utility model has good market value through evaluation.

[0086] There are other technical features of the adjustable objective body and the lens holder 3 coupled with the function of limiting and adjusting the rotational freedom of the focusing lens and positioning the adjusting hand wheel 5 formed by the installation of the end part, which are all one of the embodiments of the present application, and the technical features of the above embodiments can be combined arbitrarily, and in order to meet the requirements of the Patent Law, the Patent Implementation Details and the Guidelines for Examination, the embodiments of all possible combinations of the technical features in the above embodiments will not be described.

[0087] Therefore, in the technical field of adjustable objective device for photoelectric products, the technical content containing the adjustable objective body with the lens barrel 2 and the adjusting hand wheel 5, the lens holder 3 arranged between the lens barrel 2 and the adjusting hand wheel 5 is within the protection scope of the present application.

Claims

1. An adjustable objective lens device for optoelectronic products, characterized by: The adjustable objective body is provided with an objective lens (1) and a guide screw (6), The adjustable objective body is provided with an objective lens (1) and a guide screw (6), The first accessory device is provided between the lens holder (3) and the adjustable objective body, and the first accessory device is a compression ring (4), The second accessory device is provided in the adjustable objective body, and the second accessory device is provided with a first sealing ring (7) and a second sealing ring (8), The lens holder (3) is provided with a lens barrel (2), a compression ring (4) and an adjusting hand wheel (5) are provided between the lens barrel (2) and the lens holder (3), and a second sealing ring (8) is provided between the adjusting hand wheel (5) and the lens barrel (2), an objective lens (1) is provided in the lens barrel (2), and a first sealing ring (7) is provided between the objective lens (1) and the lens barrel (2), a guide screw (6) is provided between the objective lens (1) and the lens barrel (2) and the adjusting hand wheel (5).

2. An adjustable objective lens device for optoelectronic products according to claim 1, characterized in that: The adjustable objective body and the lens holder (3) are connected to each other in a way that the rotation freedom of the focusing lens is limited by the blocking position formed by the installation of the end part, and the adjusting hand wheel (5) is positioned.

3. The adjustable objective lens device for optoelectronic products according to claim 2, characterized in that: The lens holder (3) is connected to the adjustable objective body in a way that the clamping hole body is fixed.

4. The adjustable objective lens device for optoelectronic products according to claim 1, characterized in that: The lens holder (3) is provided with a center hole body with trapezoidal threads, and the center hole body of the lens holder (3) is provided to be threadedly connected with the lens barrel (2), the inner end face of the lens holder (3) is provided to be correspondingly distributed with the lens barrel (2), and the inner end face edge of the lens holder (3) is provided to be contactingly connected with the adjusting hand wheel (5), the groove bodies on the outer end face of the lens holder (3) are respectively provided to be connected with the objective lens (1) and the compression ring (4), and the outer end face of the lens holder (3) is respectively provided to be connected with the compression ring (4) and the shell of the photoelectric product.

5. The adjustable objective lens device for optoelectronic products according to claim 1, characterized in that: The objective lens (1) is provided with a lens shell (11) and a lens part (12), and a receiving hole body I (13) is provided on the peripheral side face of the lens shell (11), the lens shell (11) is provided to be receivedly connected with the lens part (12), and the peripheral side face of the lens part (12) is provided to be connected with the inside of the lens shell (11), the lens shell (11) is provided to be penetratedly connected with the lens barrel (2), and the peripheral side face of the lens shell (11) is provided to be receivedly connected with the first sealing ring (7), the receiving hole body I (13) is provided to be threadedly connected with the guide screw (6), Or, the lens shell (11) is provided to be a cylindrical body with a stepped body on the peripheral side face, and the lens part (12) is provided to be a convex-concave lens combination, the receiving hole body I (13) is provided to be a threaded hole, and the receiving hole body I (13) is provided to be arranged and distributed along the peripheral contour line of the lens shell (11), Or, the barrel part (21) of the lens barrel (2) is provided with a stepped body on the peripheral side and a threaded body (23) is provided on the contracted part of the barrel part (21), the barrel part (21) is provided to be coupled with the objective lens (1) in a contained manner and the inner wall of the barrel part (21) is provided to be coupled with the objective lens (1) in a contact manner, the expanded part of the barrel part (21) is provided to be coupled with the adjusting hand wheel (5) in a penetrating manner and the expanded outer part of the barrel part (21) is provided to be coupled with the second sealing ring (8) in a contained manner, the inner wall of the expanded part of the barrel part (21) is provided to be coupled with the first sealing ring (7) in a contact manner, the peripheral side stepped body of the barrel part (21) is provided to be distributed in correspondence with the lens seat (3) and the flange body on the expanded outer part of the barrel part (21) is provided to be coupled with the adjusting hand wheel (5) in a contact manner, the contained hole body II (22) is provided to be coupled with the guide screw (6) and the threaded body (23) is provided to be coupled with the lens seat (3) and the compression ring (4) in a threaded manner respectively, Or, the barrel part (21) is provided to be a cylindrical body with a stepped body on the peripheral side and the contained hole body II (22) is provided to be an elongated hole body, the contained hole body II (22) is provided to be distributed in an interval along the peripheral contour line of the barrel part (21), the threaded body (23) is provided to be a trapezoidal thread, Or, the contracted inner wall of the tube part (51) of the adjusting hand wheel (5) is provided with a contained groove body (52) and the tube part (51) is provided to be coupled with the lens barrel (2) in a sleeved manner, the expanded inner wall of the tube part (51) is provided to be coupled with the second sealing ring (8) in a contact manner and one of the port parts of the tube part (51) is provided to be coupled with the lens barrel (2) in a contact manner, the other of the port parts of the tube part (51) is provided to be coupled with the lens seat (3) in a contact manner and the contained groove body (52) is provided to be coupled with the guide screw (6), Or, the tube part (51) is provided to be a plastic cylindrical body with a convex hole body and the contained groove body (52) is provided to be a spiral groove body, the contained groove body (52) is provided to be distributed in an interval along the contracted inner wall of the tube part (51), Or, the guide screw (6) is provided to be an internal hexagonal bolt, the inner end head of the guide screw (6) is provided to be coupled with the objective lens (1) in a threaded manner, the outer end head of the guide screw (6) is provided to be coupled with the lens barrel (2) in a penetrating manner and the outer end head of the guide screw (6) is provided to be coupled with the adjusting hand wheel (5) in a sunk manner.

6. The adjustable objective lens device for optoelectronic products according to claim 1, characterized in that: The compression ring (4) is provided to be a flat hexagonal nut and the compression ring (4) is provided to be coupled with the lens barrel (2) in a threaded manner, the inner end face part of the compression ring (4) is provided to be coupled with the lens seat (3) in a contact manner.

7. The adjustable objective lens device for optoelectronic products according to claim 1, characterized in that: The first sealing ring (7) is provided to be an O-shaped sealing ring and the peripheral side inner part of the first sealing ring (7) is provided to be coupled with the objective lens (1) in an embedded manner, the peripheral side outer part of the first sealing ring (7) is provided to be coupled with the lens barrel (2) in a contact manner, Or, the second sealing ring (8) is provided to be an O-shaped sealing ring and the peripheral side inner part of the second sealing ring (8) is provided to be coupled with the lens barrel (2) in an embedded manner, the peripheral side outer part of the second sealing ring (8) is provided to be coupled with the adjusting hand wheel (5) in a contact manner.

8. Adjustable objective device for optoelectronic products according to any of claims 1 to 7, characterized in that: The objective lens (1), the lens barrel (2), the lens seat (3), the adjusting hand wheel (5) and the guide screw (6) are arranged in a driving moving mode, and the objective lens (1), the lens barrel (2), the lens seat (3), the adjusting hand wheel (5) and the guide screw (6) and the compression ring (4) are arranged in a compression fixing mode, the objective lens (1), the lens barrel (2), the lens seat (3), the adjusting hand wheel (5) and the guide screw (6) and the first sealing ring (7) and the second sealing ring (8) are arranged in a sealing fixing mode, Or, the center line of the objective lens (1), the center line of the lens barrel (2), the center line of the lens seat (3), the center line of the compression ring (4), the center line of the adjusting hand wheel (5), the center line of the first sealing ring (7) and the center line of the second sealing ring (8) are arranged on the same straight line, at least three guide screws (6) are arranged between the objective lens (1) and the lens barrel (2) and the adjusting hand wheel (5), the tube part (51) is arranged in connection with the barrel part (21), and the barrel part (21) is arranged in connection with the lens shell part (11).

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