CN220772355U

CN220772355U - Manual focusing mechanism of infrared thermal imaging instrument capable of being operated by single hand

Info

Publication number: CN220772355U
Application number: CN202321202022.7U
Authority: CN
Inventors: 张瑾瑜
Original assignee: Wuhan Cool Nuo Technology Co ltd
Current assignee: Wuhan Cool Nuo Technology Co ltd
Priority date: 2023-05-18
Filing date: 2023-05-18
Publication date: 2024-04-12
Anticipated expiration: 2033-05-18

Abstract

The utility model relates to the technical field of infrared thermal imaging instrument focusing, and discloses a manual focusing mechanism of an infrared thermal imaging instrument capable of being operated by one hand, which comprises a front base, an objective main body positioned at one end of the front base and a shell positioned at one end of the front base far away from the objective main body, wherein the front base comprises: the mounting groove is arranged at one end inside the front base, and the empty groove is arranged at the middle position of one end inside the objective main body. According to the infrared thermal imaging device, the infrared thermal imaging device is held by one hand, the small thumb can be used for poking the roller to rotate, the rotating roller drives the focusing rod to rotate, the focusing rod and the supporting rod can rotate through the rotating hole, the external threads on the outer side of the focusing rod are matched with the internal threads on the inner side of the adjusting hole, so that the driving ring and the focusing rod can move, the objective lens main body can be driven to move through the driving ring, the infrared thermal imaging device can be focused by one hand, the focusing structure is more convenient to use, and the practicability of the focusing structure is improved.

Description

Manual focusing mechanism of infrared thermal imaging instrument capable of being operated by single hand

Technical Field

The utility model relates to the technical field of infrared thermal imaging instrument focusing, in particular to a manual focusing mechanism of an infrared thermal imaging instrument capable of being operated by one hand.

Background

The infrared thermal imager generally obtains the target heat information through the objective lens in the use process, but in the use process, due to different optical designs and use environments, such as different temperatures, different target distances and the like, manual focusing operation is needed to be carried out on the lens of the infrared thermal imager so as to obtain an image meeting the definition of a customer.

At present, all the objective lens focusing structures of the infrared thermal imaging instruments are in front of the whole machine, namely two focusing modes, namely rotary focusing and lens focusing are usually adopted, however, for a user, the two focusing modes have the same problem that one hand cannot operate, the machine is held by one hand during operation, the other hand is used for focusing, the focusing function can be realized by two hands, and in some cases of using the infrared thermal imaging instruments, the user needs to carry different equipment or vacate two hands completely to operate the infrared thermal imaging instruments, and the traditional focusing mode brings inconvenience to the user and even can not realize the function under special conditions.

Disclosure of Invention

The utility model aims to provide a manual focusing mechanism of an infrared thermal imager capable of being operated by one hand, so as to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a but manual focusing mechanism of thermal infrared imager of single hand operation, includes preceding base, is located the objective main part of preceding base one end and is located preceding base keep away from the casing of objective main part one end, preceding base includes:

the mounting groove is arranged at one end inside the front base, and the empty groove is arranged in the middle of one end inside the objective main body; and

and the supporting rod is arranged at the top end inside the mounting groove.

Preferably, the inside of empty slot is provided with the motion optical subassembly, the inside outside that is located the empty slot of mounting groove is provided with the drive ring, the outer wall of drive ring is provided with multiunit spacing hole, the outside of drive ring is provided with the lug, the inside of lug is provided with the regulation hole, the outside of empty slot is provided with multiunit and runs through to spacing inside the hole spacing nail, the inside of branch is provided with the focusing pole, the focusing pole is kept away from the outside of preceding base one end is provided with the gyro wheel.

Preferably, a rotating groove is formed in the outer side, close to one end of the front base, of the outer side of the shell, an observation opening is formed in the end, far away from the front base, of the shell, and an infrared sensing assembly is arranged in the end, far away from the objective main body, of the front base.

Preferably, a fixing groove is formed in one end, away from the mounting groove, of the front base, the objective main body is movably connected with the front base through the fixing groove, and the shell is detachably connected with the front base through a fixing bolt.

Preferably, the moving optical assembly is detachably connected with the objective main body through a hollow groove, a fixing hole is formed in the driving ring, and the driving ring is detachably connected with the objective main body through the fixing hole.

Preferably, a positioning hole is formed in the outer side of the empty groove, the limiting nail penetrates into the positioning hole, and one end, away from the roller, of the focusing rod penetrates into the adjusting hole.

Preferably, the inner side of the limiting hole is provided with an internal thread, the outer side of the limiting nail is provided with an external thread matched with the limiting hole, and the limiting nail is detachably connected with the driving ring through the limiting hole.

Preferably, the inside of branch is provided with the rotation hole, the focusing pole is rotated with branch through the rotation hole and is connected, the gyro wheel passes through the bolt and can dismantle with the focusing pole and be connected.

Preferably, the focusing rod is provided with external threads on the outer side far away from one end of the roller, and a threaded hole matched with the focusing rod is formed in the roller.

Preferably, the infrared sensing assembly is detachably connected with the shell through a fixing bolt, a rubber head is arranged on the outer side of the observation port, and a plurality of groups of control buttons are arranged on the outer side of the shell.

Compared with the prior art, the utility model has the beneficial effects that:

according to the infrared thermal imaging device, the infrared thermal imaging device is held by one hand, the small thumb can be used for poking the roller to rotate, the rotating roller drives the focusing rod to rotate, the focusing rod and the supporting rod can rotate through the rotating hole, the external threads on the outer side of the focusing rod are matched with the internal threads on the inner side of the adjusting hole, so that the driving ring and the focusing rod can move, the objective main body can be driven to move through the driving ring, the infrared thermal imaging device can be focused by one hand, the focusing structure is more convenient to use, the practicability of the focusing structure is improved, and the infrared thermal imaging device is convenient for people to use.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a cross-sectional view of the present utility model.

Fig. 3 is a schematic structural view of the driving ring of the present utility model.

Fig. 4 is a cross-sectional view of the drive ring of the present utility model.

Fig. 5 is a front view of the present utility model.

In the figure: 1. a front base; 101. a mounting groove; 102. a hollow groove; 103. a support rod; 2. an objective main body; 201. a moving optical component; 202. a drive ring; 203. a limiting hole; 204. a bump; 205. an adjustment aperture; 206. a limit nail; 207. a focusing rod; 208. a roller; 3. a housing; 301. a rotating groove; 302. an observation port; 303. an infrared sensing assembly.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a manual focusing mechanism of a thermal infrared imager capable of being operated by one hand: the utility model provides a but manual focusing mechanism of thermal infrared imager of single hand operation, includes preceding base 1, is located the objective main part 2 of preceding base 1 one end and is located the casing 3 of preceding base 1 one end of keeping away from objective main part 2, and preceding base 1 includes: a mounting groove 101 provided at one end inside the front base 1, and an empty groove 102 provided at an intermediate position of one end inside the objective body 2; and a supporting rod 103 provided at the inner top end of the installation groove 101.

Referring to fig. 1, 2, 3 and 4, a moving optical assembly 201 is disposed in the hollow groove 102, a driving ring 202 is disposed in the mounting groove 101 and located outside the hollow groove 102, a plurality of groups of limiting holes 203 are disposed on the outer wall of the driving ring 202, the driving ring 202 and the objective main body 2 are fixedly mounted through the limiting holes 203 and the limiting nails 206, a bump 204 is disposed on the outer side of the driving ring 202, an adjusting hole 205 is disposed in the bump 204, a plurality of groups of limiting nails 206 penetrating into the limiting holes 203 are disposed on the outer side of the hollow groove 102, a focusing rod 207 is disposed in the supporting rod 103, rollers 208 are disposed on the outer side of one end, far away from the front base 1, of the focusing rod 207, and the focusing rod 207 is conveniently driven to rotate by rotating the rollers 208.

Referring to fig. 1 and 5, a rotating groove 301 is disposed on the outer side of the housing 3 near one end of the front base 1, so as to facilitate the rotation of the toggle roller 208, an observation port 302 is disposed on one end of the housing 3 far away from the front base 1, and an infrared sensing assembly 303 is disposed on one end of the front base 1 far away from the objective main body 2.

Referring to fig. 1, 2, 3 and 4, one end of the front base 1 far away from the mounting groove 101 is provided with a fixing groove, the objective main body 2 is movably connected with the front base 1 through the fixing groove, the objective main body 2 and the front base 1 can be moved through the fixing groove, the housing 3 is detachably connected with the front base 1 through a fixing bolt, the housing 3 and the front base 1 are fixedly mounted through the fixing bolt, the moving optical component 201 is detachably connected with the objective main body 2 through the empty groove 102, the moving optical component 201 and the objective main body 2 are fixedly mounted through the empty groove 102, a fixing hole is arranged in the driving ring 202, the driving ring 202 is detachably connected with the objective main body 2 through the fixing hole, the driving ring 202 and the objective main body 2 are detached through the fixing hole, a positioning hole is arranged at the outer side of the empty groove 102, and the limiting nail 206 penetrates into the positioning hole, the driving ring 202 and the objective main body 2 can be fixedly installed through the limiting nail 206 and the limiting hole 203, one end of the focusing rod 207, far away from the roller 208, penetrates into the adjusting hole 205, the inner side of the limiting hole 203 is provided with internal threads, the outer side of the limiting nail 206 is provided with external threads matched with the limiting hole 203, the limiting nail 206 is detachably connected with the driving ring 202 through the limiting hole 203, the limiting nail 206 and the driving ring 202 can be detached and installed through the limiting hole 203, the fixed installation effect of the driving ring 202 is better, the rotating hole is arranged in the supporting rod 103, the focusing rod 207 is rotationally connected with the supporting rod 103 through the rotating hole, the focusing rod 207 and the supporting rod 103 can rotate through the rotating hole, the roller 208 is detachably connected with the focusing rod 207 through bolts, the roller 208 and the focusing rod 207 are fixed, the outer side of the focusing rod 207, far away from one end of the roller 208, is provided with external threads, the inside of gyro wheel 208 is provided with the screw hole with focusing rod 207 assorted, plays spacing effect of adjusting, can make drive ring 202 drive objective main part 2 and take place the activity through rotating focusing rod 207, is convenient for focus to the thermal infrared imager.

Referring to fig. 1 and 5, the infrared sensing assembly 303 is detachably connected with the housing 3 through a fixing bolt, the infrared sensing assembly 303 is fixedly installed with the housing 3 through the fixing bolt, a rubber head is arranged at the outer side of the observation port 302, and a plurality of groups of control buttons are arranged at the outer side of the housing 3, so that the infrared thermal imaging instrument is convenient to control and use.

Working principle: before the infrared thermal imaging device is used, the driving ring 202 and the objective main body 2 are fixed through the limit nails 206 and the limit holes 203, the objective main body 2 and the front base 1 can be moved through the fixing grooves, the infrared thermal imaging device is assembled, when the infrared thermal imaging device is used, the storage battery in the infrared thermal imaging device is used for providing electric energy for the infrared thermal imaging device, the infrared thermal imaging device is held by one hand, the small thumb can toggle the idler wheel 208 to rotate, the rotating idler wheel 208 drives the focusing rod 207 to rotate, the focusing rod 207 and the supporting rod 103 can rotate through the rotating holes, external threads on the outer side of the focusing rod 207 and internal threads on the inner side of the adjusting holes 205 are mutually matched, so that the driving ring 202 and the focusing rod 207 can be moved, the objective main body can be driven to move through the driving ring 202, the infrared thermal imaging device can be focused by one hand, the use of a focusing structure is more convenient, the practicability of the focusing structure is improved, the use of people is convenient, and the purpose of operating the whole device by one hand can be achieved through designing the distance between the focusing wheel and functional keys such as keys.

The foregoing is merely exemplary embodiments of the present utility model, and specific structures and features that are well known in the art are not described in detail herein. It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a but manual focusing mechanism of thermal infrared imager of single hand operation which characterized in that: including preceding base (1), be located objective main part (2) of preceding base (1) one end and be located preceding base (1) keep away from casing (3) of objective main part (2) one end, preceding base (1) include:

a mounting groove (101) is formed in one end of the inner part of the front base (1), and an empty groove (102) is formed in the middle position of one end of the inner part of the objective main body (2); and

a supporting rod (103) arranged at the top end inside the mounting groove (101);

the inside of empty slot (102) is provided with motion optical subassembly (201), the outside that mounting groove (101) inside was located empty slot (102) is provided with drive ring (202), the outer wall of drive ring (202) is provided with multiunit spacing hole (203), the outside of drive ring (202) is provided with lug (204), the inside of lug (204) is provided with regulation hole (205), the outside of empty slot (102) is provided with multiunit and runs through spacing nail (206) to spacing hole (203) inside, the inside of branch (103) is provided with focusing rod (207), the outside that preceding base (1) one end was kept away from to focusing rod (207) is provided with gyro wheel (208), the outside of empty slot (102) is provided with the locating hole, and spacing nail (206) run through to the locating hole inside, the one end that focusing rod (207) was kept away from gyro wheel (208) runs through to the inside of regulation hole (205).

2. The one-hand operable manual focus adjustment mechanism of a thermal infrared imager of claim 1, wherein: the outside that is close to in casing (3) the outside of preceding base (1) one end is provided with rotation groove (301), the one end that casing (3) kept away from preceding base (1) is provided with viewing aperture (302), the one end that preceding base (1) kept away from objective main part (2) is provided with infrared sensing subassembly (303).

3. The one-hand operable manual focus adjustment mechanism of a thermal infrared imager of claim 1, wherein: the novel lens is characterized in that a fixing groove is formed in one end, away from the mounting groove (101), of the front base (1), the objective main body (2) is movably connected with the front base (1) through the fixing groove, and the shell (3) is detachably connected with the front base (1) through a fixing bolt.

4. The one-hand operable manual focus adjustment mechanism of a thermal infrared imager of claim 1, wherein: the motion optical assembly (201) is detachably connected with the objective main body (2) through the empty groove (102), a fixing hole is formed in the driving ring (202), and the driving ring (202) is detachably connected with the objective main body (2) through the fixing hole.

5. The one-hand operable manual focus adjustment mechanism of a thermal infrared imager of claim 1, wherein: the inner side of the limiting hole (203) is provided with an internal thread, the outer side of the limiting nail (206) is provided with an external thread matched with the limiting hole (203), and the limiting nail (206) is detachably connected with the driving ring (202) through the limiting hole (203).

6. The one-hand operable manual focus adjustment mechanism of a thermal infrared imager of claim 1, wherein: the inside of branch (103) is provided with the rotation hole, focusing pole (207) are connected with branch (103) rotation through the rotation hole, gyro wheel (208) are connected with focusing pole (207) detachably through the bolt.

7. The one-hand operable manual focus adjustment mechanism of a thermal infrared imager of claim 1, wherein: the outer side of one end of the focusing rod (207) far away from the roller (208) is provided with external threads, and the inner part of the roller (208) is provided with a threaded hole matched with the focusing rod (207).

8. The one-hand operable manual focus adjustment mechanism of a thermal infrared imager as defined in claim 2, wherein: the infrared sensing assembly (303) is detachably connected with the shell (3) through a fixing bolt, a rubber head is arranged on the outer side of the observation port (302), and a plurality of groups of control buttons are arranged on the outer side of the shell (3).