CN219105274U

CN219105274U - Endoscopic kiln high temperature pinhole camera lens convenient to dismantle

Info

Publication number: CN219105274U
Application number: CN202320214938.8U
Authority: CN
Inventors: 陈记松; 袁方
Original assignee: Zhengzhou Weiqi Optoelectronic Technology Co ltd
Current assignee: Zhengzhou Weiqi Optoelectronic Technology Co ltd
Priority date: 2023-02-15
Filing date: 2023-02-15
Publication date: 2023-05-30
Anticipated expiration: 2033-02-15

Abstract

The utility model provides a convenient-to-detach endoscopic kiln high-temperature pinhole lens which effectively achieves the purpose of convenient detachment, and comprises an eyepiece, wherein an objective lens is arranged at the lower end of the eyepiece in a threaded manner, a sleeve is detachably arranged on the inner side of the objective lens, a plurality of lens mounting assemblies are arranged in the sleeve, each lens mounting assembly has the same structure, and lenses are detachably arranged in each lens mounting assembly.

Description

Endoscopic kiln high temperature pinhole camera lens convenient to dismantle

Technical Field

The utility model relates to the technical field of high-temperature lenses, in particular to an endoscopic kiln high-temperature pinhole lens convenient to detach.

Background

1. Understanding: the WQ-NK series endoscope Gao Wenxiao hole lens is provided with a long lens body, and can be used for detecting and monitoring environments which are difficult to enter by personnel. Such as observing the substances being burned in various kilns. The lens has the advantages of good high temperature resistance and corrosion resistance, good imaging quality, wide visual field, small distortion and stable and reliable aperture automatic control function. The method is widely applied to monitoring of high-temperature areas such as iron and steel, metallurgy, electric power, cement, glass and the like.

In the prior art, when the lens is used in a high-temperature environment, part of elements of the lens are easy to damage, and because the lens is integrated, the whole lens must be replaced when one element is damaged, so that the cost is high, the lens is long in time, dust is easy to attach, and the lens is inconvenient to wipe.

2. And (5) searching: the patent library is searched for the patent corresponding to the height Wen Jingtou, and more than ten patents are searched for. The technical problems and the technical characteristics to be solved by the application are more similar to the following two.

3. Citation: in the utility model patent of China patent number 201920480977, an extensible high-temperature lens is disclosed, the extensible high-temperature lens comprises an eyepiece and an objective lens which are detachably connected, an extension transmitter is detachably connected between the eyepiece and the objective lens, a plurality of groups of lenses which are symmetrical to each other are arranged in the extension transmitter, a first external thread and a first internal thread which can be mutually matched and connected are respectively arranged on the eyepiece and the objective lens, a second internal thread and a second external thread which can be matched and connected with the first external thread and the first internal thread are respectively arranged at two ends of the extension transmitter, the number of the extension transmitters is one or more, a plurality of extension transmitters are detachably connected by threads, the eyepiece, the objective lens and the extension transmitter are coaxially arranged, and a plurality of groups of lenses are respectively and symmetrically arranged at the left end and the right end of the extension transmitter. The utility model has the advantages of simple structure, convenient operation, stability, reliability, low cost, few faults, convenient maintenance and repair, and the like.

Summarizing: for this related art patent, the inventors consider this to be: the device part can realize the function of convenient dismantlement, but when individual lens damages, can not change alone, and the lens dismantles inconveniently.

Citation: in the utility model patent of China patent number 201720592407, a high-temperature endoscope is disclosed, which comprises a front imaging lens, an image transmission lens group and a rear-end switching lens group which are sequentially connected, wherein the image transmission lens group is a double image inversion lens group and is provided with a plurality of image transmission lens groups, each image transmission lens group is sequentially connected, and the rear-end switching lens group is an eyepiece switching lens group, a single-inverse switching lens group or an industrial camera switching lens group. The utility model is provided with a plurality of image transmission lens groups, and can use different numbers of image transmission lens groups according to the needs, so as to form different specification lengths, the set back end switching lens groups are ocular lens switching lens groups, single-reflection switching lens groups or industrial camera switching lens groups, different back end switching lens groups are adopted according to the needs of a receiving system, only one set of equipment is needed, different needs can be met through changing parts, and the utility model is flexible and convenient to use and low in equipment cost.

Summarizing: for this related art patent, the inventors consider this to be: the device lens is inconvenient because of dismantling, and is comparatively inconvenient when the deashing of lens, when attaching ash on the lens, can influence staff's observation.

Therefore, the utility model provides an endoscopic kiln high-temperature pinhole lens which solves the problems.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the high-temperature pinhole lens of the endoscopic kiln, which is convenient to detach, has novel structure, ingenious conception and simple and convenient operation, and effectively achieves the aim of convenient detachment.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides an endoscopic kiln high temperature pinhole camera lens convenient to dismantle, includes the eyepiece, objective is installed to eyepiece lower extreme screw thread, the inboard demountable installation of objective has the sleeve, be equipped with a plurality of lens installation component in the sleeve, every lens installation component structure is the same, every demountable installation has the lens in the lens installation component respectively.

Preferably, the front end of the sleeve is provided with a mounting chute, and the inner side of the objective lens is fixedly connected with a mounting sliding block which is slidably mounted in the mounting chute.

Preferably, the lens installation component includes the mounting groove of fixed connection at the inboard front end of sleeve, the rear end at the mounting groove is installed to the lens, the inboard fixedly connected with of sleeve is located the fixed spout at both ends about the lens, two the end that is close to each other of fixed spout has arc fixed splint, two the end that keeps away from each other of arc fixed splint is fixedly connected with stay cord respectively, two the end that keeps away from each other of arc fixed splint is fixedly connected with hold-down spring respectively between telescopic inner wall.

Preferably, the rear end of the sleeve is rotatably provided with a slot door positioned at the rear side of the lens, and the other end of each pull rope is fixedly connected with a rotating shaft of the slot door respectively.

Preferably, a rectangular groove is formed in the front end of the inner side of the sleeve.

Compared with 201920480977 and 201720592407, the utility model has the following beneficial effects:

the device has objective, sleeve and lens installation component, the effectual purpose that has reached convenient dismantlement, at first unscrews objective from the lower extreme of eyepiece during the use, then keep objective motionless, and rotate the sleeve through rectangular groove, make the installation slider slide relatively in horizontal spout, when the installation slider slides to vertical spout, upwards slide and take out the sleeve, then rotate and open slot door, drive two arc fixed splint and to keeping away from the end to each other slide, release spacingly to the lens, and overturn the sleeve, make the slot vertically downwards, and make the lens follow the slot and slide out can.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a schematic view showing a disassembled state of the sleeve according to the present utility model.

Fig. 3 is a schematic cross-sectional view of a lens mounting assembly according to the present utility model.

Fig. 4 is a schematic view of the position of a lens in the present utility model.

Reference numerals:

1. an eyepiece; 2. an objective lens; 3. a sleeve; 4. a lens mounting assembly; 5. a lens; 6. installing a chute; 7. installing a sliding block; 8. a mounting groove; 9. a fixed chute; 10. arc-shaped fixed clamping plates; 11. a pull rope; 12. a compression spring; 13. a slot door; 14. rectangular grooves.

Description of the embodiments

The foregoing and other features, aspects and advantages of the present utility model will become more apparent from the following detailed description of the embodiments with reference to the accompanying drawings, 1-4. The following examples are all referred to in the specification and drawings.

Exemplary embodiments of the present utility model will be described below with reference to the accompanying drawings.

1-3, the utility model includes eyepiece 1, eyepiece 1 underpart screw thread install objective lens 2, the underpart of objective lens 2 fixedly connects with glass lens, in order to achieve the purpose of convenient dismantlement, the inboard of objective lens 2 is removably fitted with the bush 3, there are multiple lens mounting assemblies 4 in the bush 3, each lens mounting assembly 4 is identical in construction, removably installs the lens 5 in each lens mounting assembly 4 separately, the rear end of the bush 3 has multiple slots located behind each lens 5;

the specific use is as follows: when the device needs to be disassembled, firstly, the objective lens 2 is unscrewed from the lower end of the ocular lens 1, then, according to the structure described below, the sleeve 3 is taken out from the inner side of the objective lens 2, the lens mounting component 4 is used for positioning the lens 5, and then, the lens 5 is taken out from the slot;

when the lens 5 is taken out, the sleeve 3 can be turned over, so that the slot is vertically downward, and the lens 5 slides out of the slot, thereby achieving the aim of convenient disassembly.

In the second embodiment, as shown in fig. 2, the front end of the sleeve 3 is provided with a mounting chute 6, the mounting chute 6 is composed of a transverse chute and a longitudinal chute which are mutually communicated, and the left end of the inner side of the objective lens 2 is fixedly connected with a mounting sliding block 7 which is slidably mounted in the mounting chute 6;

the specific use is as follows: when the sleeve 3 needs to be disassembled, the objective lens 2 is kept still, the sleeve 3 is rotated, the installation sliding block 7 relatively slides in the transverse sliding groove, and when the installation sliding block 7 slides to the longitudinal sliding groove, the sleeve 3 is taken out in an upward sliding manner, so that the aim of convenient disassembly is fulfilled.

In the third embodiment, as shown in fig. 3, the lens mounting assembly 4 includes a mounting groove 8 fixedly connected to the front end of the inner side of the sleeve 3, the lens 5 is placed at the rear end of the inner side of the mounting groove 8, the contact part between the bottom of the mounting groove 8 and the lens 5 is arc-shaped, so that the lens 5 is more attached to the mounting groove 8, local stress is avoided, damage to the lens 5 is avoided, a fixing chute 9 positioned at the left end and the right end of the lens 5 is fixedly connected to the inner side of the sleeve 3, two fixing chutes 9 are respectively and slidably mounted at the left end and the right end of the lens 5, two arc-shaped fixing chutes 10 are respectively positioned at the left end and the right end of the lens 5, each arc-shaped fixing chute 10 includes an arc-shaped plate contacting the lens 5, and a movable slide block slidably mounted in the fixing chute 9, each arc-shaped plate has an arc-shaped structure, the mutually far end of each movable slide block is fixedly connected with a pull rope 11, and a compression spring 12 is respectively and fixedly connected between the mutually far end of each arc-shaped fixing chute 10 and the inner wall of the sleeve 3;

the specific use is as follows: in the initial state, the compression springs 12 are in a partial compression state, partial pressure is applied to each arc-shaped fixed clamping plate 10, the lens 5 is positioned, when the lens 5 needs to be disassembled, each stay cord 11 is pulled, the two arc-shaped fixed clamping plates 10 slide towards the mutually far ends, the compression springs 12 compress, the lens 5 is released from positioning, and then the lens 5 is taken out;

when the lens 5 is reinstalled, the lens 5 is inserted into the mounting groove 8 from the slot, then each stay cord 11 is loosened, each compression spring 12 is reset, and the two arc-shaped fixing clamping plates 10 are driven to slide towards the mutually approaching ends, so that the lens 5 is clamped and positioned.

In the fourth embodiment, as shown in fig. 3-4, a slot door 13 is rotatably installed in the slot, the slot door 13 is used for blocking dust from entering from the slot, and the other end of each pull rope 11 is fixedly connected with a rotating shaft of the slot door 13;

the specific use is as follows: when the slot door 13 is opened by the turnover of a worker, each pull rope 11 is pulled to release the positioning of the lens 5, so that the purpose of conveniently disassembling the lens 5 is achieved, and when the slot door 13 is loosened, the pull ropes 11 are driven under the action of each compression spring 12, so that the slot door 13 is driven to be closed.

In the fifth embodiment, on the basis of the first embodiment, as shown in fig. 4, a rectangular groove 14 is formed at the front end of the inner side of the sleeve 3;

the specific use is as follows: when the sleeve 3 needs to be disassembled, the sleeve 3 rotates and slides out through the rectangular groove 14, so that slipping is avoided.

Working principle:

when the device is required to be disassembled, firstly, the objective lens 2 is unscrewed from the lower end of the ocular lens 1, then the objective lens 2 is kept motionless, the sleeve 3 is rotated through the rectangular groove 14, the installation sliding block 7 relatively slides in the transverse sliding groove, when the installation sliding block 7 slides to the longitudinal sliding groove, the sleeve 3 is taken out in an upward sliding way, then the slot door 13 is rotated and opened, the limit on the lens 5 is released, the sleeve 3 is turned over, the slot is vertically downwards, and the lens 5 slides out of the slot;

when the lens 5 is reinstalled, the lens 5 is inserted into the mounting groove 8 from the slot, then the slot door 13 is loosened, each compression spring 12 is reset, and the two arc-shaped fixing clamping plates 10 are driven to slide towards the mutually approaching ends, so that the lens 5 is clamped and positioned.

While the present utility model has been described in detail by the foregoing description of the preferred embodiment, it should be understood that the above description should not be construed as limiting the utility model, but rather as many modifications and substitutions will become apparent to those skilled in the art upon reading the foregoing. Accordingly, the scope of the utility model should be limited only by the attached claims.

Claims

1. The utility model provides an endoscopic kiln high temperature pinhole camera lens convenient to dismantle, includes eyepiece (1), objective (2) are installed to eyepiece (1) lower extreme screw thread, a serial communication port, the inboard demountable installation of objective (2) has sleeve (3), be equipped with a plurality of lens installation component (4) in sleeve (3), every lens installation component (4) structure is the same, every demountable installation has lens (5) in lens installation component (4) respectively.

2. The high-temperature pinhole lens of the endoscopic kiln convenient to detach according to claim 1, wherein a mounting chute (6) is formed at the front end of the sleeve (3), and a mounting sliding block (7) which is fixedly connected with the inner side of the objective lens (2) and is slidably mounted in the mounting chute (6) is arranged at the inner side of the objective lens.

3. The high-temperature pinhole lens of an endoscopic kiln convenient to detach according to claim 1, wherein the lens mounting assembly (4) comprises a mounting groove (8) fixedly connected to the front end of the inner side of the sleeve (3), the lens (5) is mounted at the rear end of the mounting groove (8), the inner side of the sleeve (3) is fixedly connected with a fixing chute (9) positioned at the left end and the right end of the lens (5), two arc-shaped fixing clamping plates (10) are respectively and horizontally slidably mounted at the mutually approaching ends of the fixing chute (9), pull ropes (11) are respectively and fixedly connected to the mutually separating ends of the two arc-shaped fixing clamping plates (10), and compression springs (12) are respectively and fixedly connected between the mutually separating ends of the arc-shaped fixing clamping plates (10) and the inner wall of the sleeve (3).

4. The high-temperature pinhole lens of the endoscopic kiln, which is convenient to detach, according to claim 3, wherein the rear end of the sleeve (3) is rotatably provided with a slot door (13) positioned at the rear side of the lens (5), and the other end of each pull rope (11) is fixedly connected with a rotating shaft of the slot door (13) respectively.

5. The high-temperature pinhole lens of the endoscopic kiln, which is convenient to detach, according to claim 1, is characterized in that a rectangular groove (14) is formed at the front end of the inner side of the sleeve (3).