Combined lens

Abstract

The utility model belongs to the technical field of lenses, and discloses a combined lens, which comprises a host lens and an external lens, the host lens is provided with at least one first lens, one end of the host lens is provided with a first magnetic attraction piece, the external lens is provided with at least one second lens, and one end of the external lens is provided with a second magnetic attraction piece. The external lens and the host lens are detachably connected through the first magnetic attraction piece and the second magnetic attraction piece. According to the combined lens, the external lens and the host lens are assembled in a magnetic attraction connection mode, cross-model and cross-brand universal adaptation is achieved, a user can easily achieve flexible switching of long and short focus projection, operation convenience and use experience are greatly improved, and diversified projection requirements in different scenes are met.

Description

TECHNICAL FIELD

[0001] The utility model relates to technical field of lens especially relates to a combined lens. BACKGROUND

[0002] In today's projection technology field, in order to achieve long short focal length projection function, the industry generally adopts the technical scheme that the external lens is connected with the projection combination lens. The existing external lens usually relies on buckle and is fixed by the structure of complex structure, and its assembly process not only needs the aid of professional tool, but also is extremely time-consuming and laborious, greatly increases the production and maintenance cost. Moreover, the adaptability of the current external lens is extremely poor, can only be installed on the self-projection combination lens specially matched with it, cannot realize the universal adaptability of cross-model and cross-brand, seriously limits the flexible expansion and convenient use of projection equipment in different application scenarios, and it is difficult to meet the diversified and personalized use demand of users. UTILITY MODEL CONTENT

[0003] The utility model discloses a kind of combined lenses, the assembly of external lens and host lens is realized by magnetic attraction connection mode, realizes the universal adaptability of cross-model and cross-brand, user can extremely easily realize the flexible switching of long short focal length projection, greatly improve operation convenience and use experience, meet the diversified projection demand in different scenarios.

[0004] To achieve this purpose, the utility model adopts the following technical scheme:

[0005] The combined lens disclosed by the utility model comprises a host lens, the host lens has at least one first lens, and one end of the host lens is provided with a first magnetic attraction piece;External lens, the external lens has at least one second lens, and one end of the external lens is provided with a second magnetic attraction piece;Wherein: the external lens and the host lens are detachably connected by the first magnetic attraction piece and the second magnetic attraction piece.

[0006] In some embodiments, the external lens comprises: a lens seat, at least one second lens is arranged on the lens seat;First connecting seat, the first connecting seat is detachably connected with the lens seat, and the second magnetic attraction piece is installed on the first connecting seat.

[0007] In some specific embodiments, the first connecting seat is provided with a mounting groove towards one end of the first connecting seat, and the second magnetic attraction piece is installed in the mounting groove.

[0008] In some specific embodiments, the first connecting seat has a first magnetic surface and / or a second magnetic surface towards one end of the host lens, the first magnetic surface is an end surface of the first connecting seat towards the host lens, and the second magnetic surface is an annular peripheral surface towards one end of the first connecting seat.

[0009] In some specific embodiments, the first connecting seat and the lens seat are connected by threads; or, the first connecting seat and the lens seat are connected by a first connecting member; or, the first connecting seat and the lens seat are connected by a snap connection.

[0010] In some embodiments, the host lens comprises a main body seat on which at least one first lens is arranged; and a second connecting seat which is detachably connected to the main body seat and is used for mounting the first magnetic member.

[0011] In some specific embodiments, one end of the second connecting seat towards the main body seat is sleeved on the main body seat, and the first magnetic member is connected to an end surface of the second connecting seat away from the main body seat.

[0012] In some specific embodiments, one end of the second connecting seat towards the main body seat is inserted into the main body seat, the second connecting seat has a mounting hole, the first magnetic member is mounted in the mounting hole, and the first magnetic member is sleeved on the external lens.

[0013] In some specific embodiments, the second connecting seat and the main body seat are connected by threads; or, the second connecting seat and the main body seat are connected by a second connecting member; or, the second connecting seat and the main body seat are connected by a snap connection.

[0014] In some embodiments, the first magnetic member and the second magnetic member are both magnets; or, one of the first magnetic member and the second magnetic member is a magnet, and the other is a magnetic sheet.

[0015] The utility model discloses beneficial effect: because the host computer lens of combined lens is provided with first magnetic attraction piece, and the external lens is provided with second magnetic attraction piece, and the host computer lens and external lens realize detachable connection through magnetic attraction force, compared with the buckle connection in the prior art, on the one hand, the structure of host computer lens and external lens is simplified, and it is favorable to reduce the manufacturing cost of host computer lens and external lens, on the other hand, the installation and dismounting of host computer lens and external lens are facilitated, compared with the buckle connection of poor compatibility, the flexibility of magnetic attraction connection is better, can realize the versatility adaptation of cross type, cross brand, to make the user be able to extremely easily realize the flexible switching of projection long short focus projection, greatly improve the operation convenience and use experience, satisfy the diversified projection demand under different scenes.

[0016] Additional aspects and advantages of the utility model will be partially given in the following description, some will become obvious from the following description, or be understood by the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the structure schematic diagram of combined lens of the utility model embodiment;

[0018] Figure 2 It is the sectional view of combined lens of the utility model embodiment;

[0019] Figure 3 It is the structure schematic diagram of external lens of the utility model embodiment;

[0020] Figure 4 It is the sectional view of external lens of the utility model embodiment;

[0021] Figure 5 It is the structure schematic diagram of host computer lens of the utility model embodiment;

[0022] Figure 6 It is the structure schematic diagram of another host computer lens of the utility model embodiment;

[0023] Figure 7 It is Figure 6 The connection schematic diagram of host computer lens and external lens shown in.

[0024] Reference signs:

[0025] 100, host computer lens;110, main body seat;120, second connecting seat;121, mounting hole;

[0026] 200, first lens;300, first magnetic attraction piece;

[0027] 400, external lens;410, lens seat;420, first connecting seat;421, mounting slot;422, first magnetic attraction surface;423, second magnetic attraction surface;

[0028] 500, second lens; 600, second magnetic suction element. DETAILED DESCRIPTION

[0029] The utility model will be described further in detail below in combination with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the utility model, and not to limit the utility model. In addition, it should be noted that, in order to facilitate the description, only the part related to the utility model is shown in the drawings, not all structures.

[0030] In the description of the utility model, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the communication between two elements or the interaction between two elements. 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.

[0031] In the description of the embodiment, the orientation or position relationship of the terms "upper", "lower", "left", "right", "front", "back" and the like is based on the orientation or position relationship shown in the drawings, only for the convenience of description and simplification of operation, and does not indicate or imply that the device or element 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 utility model. In addition, the terms "first", "second" are only used to distinguish in the description, and have no special meaning.

[0032] The utility model discloses a combined lens, refer to Figure 1 and Figure 2As shown, the combined lens includes a main lens 100 and an external lens 400, the main lens 100 has at least one first lens 200, and one end of the main lens 100 is provided with a first magnetic suction piece 300, the external lens 400 has at least one second lens 500, and one end of the external lens 400 is provided with a second magnetic suction piece 600. The external lens 400 and the main lens 100 are detachably connected through the first magnetic suction piece 300 and the second magnetic suction piece 600. It can be understood that, since the main lens 100 of the combined lens of the embodiment is provided with the first magnetic suction piece 300, and the external lens 400 is provided with the second magnetic suction piece 600, when the external lens 400 approaches the main lens 100, the coupling can be quickly and stably completed, and the action of fixing the external lens 400 to the main lens 100 can be accurately realized. The main lens 100 and the external lens 400 in the embodiment are detachably connected through magnetic attraction force, compared with the buckle connection in the prior art, on the one hand, the structure of the main lens 100 and the external lens 400 is simplified, which is conducive to reducing the manufacturing cost of the main lens 100 and the external lens 400, on the other hand, the installation and disassembly of the main lens 100 and the external lens 400 are facilitated, compared with the buckle connection with poor compatibility, the flexibility of the magnetic attraction connection is better, and the versatility adaptation across models and brands can be realized, so that the user can easily realize the flexible switching of the projection long-focus projection, greatly improve the operation convenience and use experience, and meet the diversified projection needs in different scenes.

[0033] It should be noted that, in the embodiment, the first lens 200 is three, and the second lens 500 is two, but in the embodiment of the utility model, the number and type of the first lens 200 and the second lens 500 can be selected according to actual needs, and are not limited to the number of the embodiment.

[0034] Optionally, the first magnetic suction piece 300 is a magnetic sheet, and the second magnetic suction piece 600 is a magnet. Of course, in other embodiments of the utility model, the first magnetic suction piece 300 can be a magnet, and the second magnetic suction piece 600 can be a magnetic sheet, or the first magnetic suction piece 300 and the second magnetic suction piece 600 are both magnets, and the type of the first magnetic suction piece 300 and the second magnetic suction piece 600 can be adjusted according to actual needs.

[0035] Reference Figures 3-4As shown, the external lens 400 comprises a lens seat 410 and a first connecting seat 420, the lens seat 410 is provided with at least one second lens 500, the first connecting seat 420 is detachably connected with the lens seat 410, and the second magnetic member 600 is mounted on the first connecting seat 420. It can be understood that the external lens 400 is divided into the lens seat 410 for mounting the second lens 500 and the first connecting seat 420 for mounting the second magnetic member 600, and in actual use, different lens seats 410 and first connecting seats 420 can be selected for adaptation according to actual needs, so as to realize that the external lens 400 is compatible with more models and sizes of host lenses 100. In addition, mounting the second magnetic member 600 on the first connecting seat 420 is conducive to ensuring the mounting stability of the second magnetic member 600, thereby indirectly ensuring the connection stability of the external lens 400 and the host lens 100.

[0036] Optionally, the first connecting seat 420 is provided with a mounting groove 421 at one end of the first connecting seat 420, and the second magnetic member 600 is mounted in the mounting groove 421. It can be understood that the mounting groove 421 is arranged on the first connecting seat 420 and is used for accommodating and mounting the second magnetic member 600, which can indirectly ensure the connection stability of the external lens 400 and the host lens 100, and can protect the second magnetic member 600 and reduce the probability of the second magnetic member 600 adsorbing dirt. On the other hand, it is conducive to reducing the size of the entire first connecting seat 420, thereby facilitating the lightweight and small-size design of the external lens 400. Further optionally, the second magnetic member 600 is bonded to the groove bottom and / or groove inner wall of the mounting groove 421, thereby further improving the connection stability of the second magnetic member 600.

[0037] Optionally, the first connecting seat 420 has a first magnetic surface 422 and / or a second magnetic surface 423 at the end thereof facing the host lens 100, the first magnetic surface 422 is an end surface of the first connecting seat 420 facing the host lens 100, and the second magnetic surface 423 is an annular peripheral surface at the end of the first connecting seat 420 facing the host lens 100. It can be understood that when the first connecting seat 420 is connected to the host lens 100 through the first magnetic surface 422, the host lens 100 and the external lens 400 are connected through end magnetic attraction, and when the first connecting seat 420 is connected to the host lens 100 through the second magnetic surface 423, the host lens 100 and the external lens 400 are connected through plug-in, that is, the first connecting seat 420 is inserted into the host lens 100 to realize magnetic attraction connection. Therefore, by having the first magnetic surface 422 and / or the second magnetic surface 423 at the end of the first connecting seat 420 facing the host lens 100, the external lens 400 can be detachably connected to the host lens 100 of two different structures, further improving the installation flexibility of the external lens 400, and facilitating cross-model and cross-brand universal compatibility.

[0038] Optionally, the first magnetic surface 422 and the second magnetic surface 423 adopt a flat and smooth surface treatment process to reduce friction and air resistance during attraction.

[0039] Optionally, the first connecting seat 420 and the lens seat 410 are connected through threads. It can be understood that the threaded connection of the first connecting seat 420 and the lens seat 410 very conveniently realizes the installation and disassembly of the two, thereby facilitating the selection of appropriate first connecting seat 420 and lens seat 410 for assembly according to actual projection needs and the size of the host lens 100 in the actual assembly process, and further improving user satisfaction.

[0040] Of course, in other embodiments of the present application, the first connecting seat 420 is connected to the lens seat 410 through a first connecting piece. The first connecting piece can be selected according to actual needs, such as a screw or a pin. The first connecting seat 420 and the lens seat 410 can also be connected through a buckle. Compared with the connection achieved by using the first connecting piece, the buckle connection does not need to use a connecting piece, which is convenient for installation and disassembly.

[0041] Reference Figure 2 , Figure 5 and Figure 6As shown, the host lens 100 comprises a main body seat 110 and a second connecting seat 120, the main body seat 110 is provided with at least one first lens 200, the second connecting seat 120 is detachably connected to the main body seat 110, and the second connecting seat 120 is used for mounting the first magnetic attraction member 300. It can be understood that the host lens 100 is divided into the main body seat 110 for mounting the first lens 200 and the second connecting seat 120 for mounting the first magnetic attraction member 300, and in actual use, different main body seats 110 and second connecting seats 120 can be selected for adaptation according to actual needs, so that the host lens 100 can be adapted to more models of external lenses 400.

[0042] Optionally, the second connecting seat 120 is connected with the main body seat 110 through threads. It can be understood that the threaded connection of the second connecting seat 120 and the main body seat 110 very conveniently realizes the installation and disassembly of the two, thereby facilitating the assembly of the appropriate second connecting seat 120 and the main body seat 110 according to the actual projection needs and the size of the external lens 400 in the actual assembly process, and further improving the user satisfaction.

[0043] Of course, in other embodiments of the present application, the second connecting seat 120 is connected with the main body seat 110 through a second connecting member. The second connecting member can be selected according to actual needs, such as a screw or a pin. The second connecting seat 120 and the main body seat 110 can also be connected through a buckle. Compared with the connection achieved by using the second connecting member, the buckle connection does not need to use a connecting member, which is convenient for installation and disassembly.

[0044] Optionally, referring to Figure 2 As shown, one end of the second connecting seat 120 facing the main body seat 110 is threadedly connected to the main body seat 110, and the first magnetic attraction member 300 is connected to the end face of the second connecting seat 120 away from the main body seat 110. It can be understood that in this embodiment, the first magnetic attraction member 300 is fixed on the end face of the second connecting seat 120 away from the main body seat 110, which is convenient for installation and is conducive to improving the connection stability of the first magnetic attraction member 300. In addition, the first magnetic attraction member 300 is arranged on the end face of the second connecting seat 120 away from the main body seat 110, and in actual connection, the external lens 400 and the host lens 100 realize the end-to-end connection mode. This connection mode is relatively firm, and the two do not need to be inserted, which is convenient to operate.

[0045] Of course, it needs to be additionally explained here that the external lens 400 and the host lens 100 can also adopt the plug-in mode to realize the connection in addition to the end-to-end connection mode. Specifically, in an alternative embodiment, referring to Figures 6-7As shown, the second connecting seat 120 is inserted into the main body seat 110 at one end of the main body seat 110, the second connecting seat 120 has a mounting hole 121, the first magnetic member 300 is mounted in the mounting hole 121, and the first magnetic member 300 is sleeved on the external lens 400. It can be understood that the first magnetic member 300 is mounted in the mounting hole 121, which is beneficial to improve the firmness of the first magnetic member 300, and can better avoid accidental falling of the first magnetic member 300 under the action of external force, and improve the installation reliability of the first magnetic member 300. In the actual assembly process, only the first connecting seat 420 needs to be inserted into the mounting hole 121, and the second magnetic surface 423 on the first connecting seat 420 can be attracted to the first magnetic member 300 to realize the connection of the main lens 100 and the external lens 400.

[0046] The combination lens has the following advantages:

[0047] First, the non-contact installation scheme is innovated: only the first magnetic member 300 needs to be attached to the main lens 100, and the external lens 400 can be quickly and accurately installed, the traditional buckle and other complex, easily damaged and complicated fixing structures are abandoned, the assembly time is greatly shortened, and the production and maintenance efficiency is improved.

[0048] Second, the advantages of high adaptability and easy use: excellent compatibility, high adaptability, simple operation and high reliability in the installation and disassembly process, bringing new and smooth product use experience to users, effectively enhancing the product market competitiveness, and having great popularization and application value.

[0049] In the description of the present application, the description of the terms "some embodiments", "other embodiments", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiments or examples are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0050] Obviously, the above embodiments of the present application are only examples for clearly illustrating the present application, and are not intended to limit the embodiments of the present application. For ordinary skilled persons in the art, various obvious changes, re-adjustments and substitutions can be made without departing from the scope of the present application. Here, it is not necessary or possible to exhaust all embodiments. Any modification, equivalent substitution and improvement made within the spirit and principles of the present application shall be included in the protection scope of the claims of the present application.

Claims

1. A combined lens, characterized by, The utility model relates to a detachable lens system, comprising: a main lens (100) having at least one first lens (200), and one end of the main lens (100) is provided with a first magnetic attraction member (300); an external lens (400) having at least one second lens (500), and one end of the external lens (400) is provided with a second magnetic attraction member (600); wherein: the external lens (400) and the main lens (100) are detachably connected through the first magnetic attraction member (300) and the second magnetic attraction member (600).

2. The combined lens according to claim 1, characterized in that, The external lens (400) comprises: a lens seat (410) provided with at least one second lens (500); a first connecting seat (420) detachably connected with the lens seat (410), and the second magnetic attraction member (600) is mounted on the first connecting seat (420).

3. The combined lens according to claim 2, characterized in that, The first connecting seat (420) is provided with a mounting groove (421) towards one end of the first connecting seat (420), and the second magnetic attraction member (600) is mounted in the mounting groove (421).

4. The combined lens according to claim 3, characterized in that, The first connecting seat (420) has a first magnetic attraction surface (422) and / or a second magnetic attraction surface (423) towards one end of the main lens (100), the first magnetic attraction surface (422) is an end surface of the first connecting seat (420) towards the main lens (100), and the second magnetic attraction surface (423) is an annular outer peripheral surface towards one end of the first connecting seat (420) towards the main lens (100).

5. The combined lens according to claim 2, wherein, The first connecting seat (420) and the lens seat (410) are connected through threads; or, The first connecting seat (420) and the lens seat (410) are connected through a first connecting member; or, The first connecting seat (420) and the lens seat (410) are connected through a buckle.

6. The combined lens according to any one of claims 1-5, wherein, The main lens (100) comprises: a main body seat (110) provided with at least one first lens (200); a second connecting seat (120) detachably connected with the main body seat (110), and the second connecting seat (120) is used for mounting the first magnetic attraction member (300).

7. The combined lens according to claim 6, characterized in that The second connecting seat (120) is sleeved on the main body seat (110) towards one end of the main body seat (110), and the first magnetic attraction member (300) is connected on an end surface of the second connecting seat (120) away from the main body seat (110).

8. The combined lens according to claim 6, wherein, The second connecting seat (120) is inserted into the main body seat (110) towards one end of the main body seat (110), and the second connecting seat (120) has a mounting hole (121), the first magnetic attraction member (300) is mounted in the mounting hole (121), and the first magnetic attraction member (300) is sleeved on the external lens (400).

9. The combined lens according to claim 6, wherein, The second connecting seat (120) and the main body seat (110) are connected through threads; or, The second connecting seat (120) is connected with the main body seat (110) through a second connecting piece; The second connecting seat (120) is connected with the main body seat (110) through a buckle connection.

10. The combined lens according to any one of claims 1-5, wherein, The first magnetic attraction member (300) and the second magnetic attraction member (600) are both magnets; or, One of the first magnetic attraction member (300) and the second magnetic attraction member (600) is a magnet, and the other of the first magnetic attraction member (300) and the second magnetic attraction member (600) is a magnetic sheet.

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