CN217279216U

CN217279216U - Structure for improving structural strength and service life of manual aperture handle

Info

Publication number: CN217279216U
Application number: CN202220121839.0U
Authority: CN
Inventors: 邹先平
Original assignee: Dongguan Xiechen Precision Hardware Co ltd
Current assignee: Dongguan Xiechen Precision Hardware Co ltd
Priority date: 2022-01-17
Filing date: 2022-01-17
Publication date: 2022-08-23
Anticipated expiration: 2032-01-17

Abstract

The utility model relates to the field of camera accessories, in particular to a structure for improving the structural strength and the service life of a manual aperture handle, which comprises a fixed seat; the rotation groove has been seted up to one side of fixing base, and one side that the runner is close to the rotation groove corresponds the rotation groove and has seted up the counter bore, constructs, and the bottom shaping of counter bore has the internal thread, and the outside of runner is provided with the driving lever handle, and the one end of driving lever handle is provided with connecting portion, and the less one end shaping of connecting portion has the external screw thread, and the great one end of connecting portion is smooth curved surface, the beneficial effects of the utility model are that: the driving lever handle is in a plane structure through the counter bore and the step surface of the counter bore, so that plane matching between the driving lever handle and the rotating wheel is ensured, a gap between the driving lever handle and the rotating wheel in a locking state is reduced, the structural stability is improved, and the conditions of displacement and swinging of the driving lever handle caused by the gap are avoided; meanwhile, the threaded end of the deflector rod handle is no longer a main stress point, the fracture risk of the stud is directly reduced, and the service life is prolonged.

Description

Structure for improving structural strength and service life of manual aperture handle

Technical Field

The utility model belongs to the technical field of the camera accessory and specifically relates to a promote manual light ring handle structural strength and life's structure.

Background

The manual aperture refers to an aperture which controls the aperture size of the aperture by manually driving a transmission part, wherein the transmission part is a rotating wheel group, the rotating wheel group and the split rotating wheel group can be integrated according to the structure, and the conventional split rotating wheel group is formed by connecting an aperture handle and a rotating wheel through a screw.

When the length of the diaphragm handle needs to be longer, the stud of the connecting end is stressed greatly due to the lever effect, and the serious consequence that the handle is broken and falls off due to stress and metal fatigue is easy to occur.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an it is not enough to overcome above-mentioned condition, provides a technical scheme that can solve above-mentioned problem.

A structure for improving the structural strength and the service life of a manual aperture handle comprises a fixed seat;

the upper end of the fixed seat is provided with a blade group, the upper end of the blade group is provided with a rotating wheel, and the rotating wheel and the fixed seat are mutually matched in a rotating way;

the rotation groove has been seted up to one side of fixing base, one side that the runner is close to the rotation groove corresponds the rotation groove and has seted up the counter bore, the step face of counter bore is planar structure, the bottom shaping of counter bore has the internal thread, the outside of runner is provided with the driving lever handle, the one end of driving lever handle is provided with connecting portion, connecting portion are the convex structure, the less one end shaping of connecting portion has the external screw thread, the great one end of connecting portion is smooth curved surface, the driving lever handle passes through connecting portion and rotates mutual threaded connection between groove and the counter bore, each other in close fit between connecting portion and the counter bore.

As a further aspect of the present invention: the blade group includes that the circular array of a plurality of is range upon range of and is provided with the light ring blade, and the light ring blade is circular-arc structure, and one side of every light ring blade is provided with the reference column, and the inboard shaping of runner has a plurality of track groove, and every reference column corresponds the setting in the track groove.

As a further aspect of the present invention: the other side of the aperture blade is provided with a connecting hole, the inner side surface of the fixed seat is formed with a plurality of positioning holes, and the positioning holes are correspondingly matched with the connecting hole.

Compared with the prior art, the beneficial effects of the utility model are that: the driving lever handle is in a plane structure through the counter bore and the step surface of the counter bore, so that plane matching between the driving lever handle and the rotating wheel is ensured, a gap between the driving lever handle and the rotating wheel in a locking state is reduced, the structural stability is improved, and the conditions of displacement and swinging of the driving lever handle caused by the gap are avoided; meanwhile, the threaded end of the deflector rod handle is no longer a main stress point, the fracture risk of the stud is directly reduced, and the service life is prolonged.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to more clearly illustrate the technical solutions in the present embodiment or the prior art, the drawings needed to be used in the description of the embodiment or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings according to these drawings without inventive labor.

Fig. 1 is an exploded view of the present invention.

Fig. 2 is a schematic structural diagram of the present invention.

Fig. 3 is an enlarged view of fig. 2A.

Shown in the figure: 1. a fixed seat; 2. a rotating wheel; 3. a rotating groove; 4. a counter bore; 5. an internal thread; 6. a deflector rod handle; 7. a connecting portion; 8. an external thread; 9. aperture blades; 10. a positioning column; 11. a track groove; 12. connecting holes; 13. and (7) positioning the holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-3, a structure for improving the structural strength and service life of a manual aperture handle comprises a fixing base 1;

the upper end of the fixed seat 1 is provided with a blade group, the upper end of the blade group is provided with a rotating wheel 2, and the rotating wheel 2 and the fixed seat 1 are mutually matched in a rotating way;

rotation groove 3 has been seted up to one side of fixing base 1, one side that runner 2 is close to rotation groove 3 corresponds rotation groove 3 and has seted up counter bore 4, the step face of counter bore 4 is planar structure, counter bore 4's bottom shaping has internal thread 5, runner 2's the outside is provided with driving lever handle 6, driving lever handle 6's one end is provided with connecting portion 7, connecting portion 7 is the convex structure, the less one end shaping of connecting portion 7 has external screw thread 8, the great one end of connecting portion 7 is smooth curved surface, driving lever handle 6 passes through connecting portion 7 and rotates mutual threaded connection between groove 3 and the counter bore 4, each other closely cooperate between connecting portion 7 and the counter bore 4.

The deflector rod handle 6 penetrates through the rotating groove 3 through the connecting part 7 and is in threaded connection with the counter bore 4, and the deflector rod handle 6 can drive the rotating wheel 2 to rotate within the rotating groove 3, so that the blade group is driven to move to change the size of an aperture; the driving lever handle 6 is ensured to be in plane fit with the rotating wheel 2 by arranging the counter bore 4 and forming the step surface of the counter bore 4 into a plane structure, the gap between the driving lever handle 6 and the rotating wheel 2 in a locking state is reduced, the connection stability is improved, and the situation that the driving lever handle 6 is shifted and swung due to the gap is avoided; meanwhile, the threaded end of the deflector rod handle 6 is no longer a main stress point, the fracture risk of the stud is directly reduced, and the service life is prolonged.

As a further aspect of the present invention: the blade group includes that the range upon range of the circular array of a plurality of is provided with diaphragm blade 9, and diaphragm blade 9 is circular-arc structure, and one side of every diaphragm blade 9 is provided with reference column 10, and the inboard shaping of runner 2 has a plurality of track groove 11, and every reference column 10 corresponds the setting in track groove 11.

When the runner 2 rotates, the positioning column 10 moves in the track groove 11, the size of the diaphragm formed by the matching of the diaphragm blades 9 can be changed, and the stability of the diaphragm can be ensured and the diaphragm can be more round.

As a further aspect of the present invention: the other side of the aperture blade 9 is provided with a connecting hole 12, the inner side surface of the fixed seat 1 is formed with a plurality of positioning holes 13, and the positioning holes 13 are correspondingly matched with the connecting hole 12.

Can make and fix diaphragm blade 9 on fixing base 1, improve diaphragm blade 9's stability.

It is further noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. The term "comprising", without further limitation, means that the element so defined is not excluded from the group consisting of additional identical elements in the process, method, article, or apparatus that comprises the element.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a promote manual light ring handle structural strength and life's structure which characterized in that: comprises a fixed seat;

2. The structure for improving the structural strength and the service life of the manual diaphragm handle as claimed in claim 1, wherein: the blade group includes that the circular array of a plurality of is range upon range of and is provided with the light ring blade, and the light ring blade is circular-arc structure, and one side of every light ring blade is provided with the reference column, and the inboard shaping of runner has a plurality of track groove, and every reference column corresponds the setting in the track groove.

3. The structure for improving the structural strength and the service life of the manual diaphragm handle as claimed in claim 2, wherein: the other side of the aperture blade is provided with a connecting hole, the inner side surface of the fixed seat is formed with a plurality of positioning holes, and the positioning holes are correspondingly matched with the connecting holes.