CN2775595Y - Focusing hand wheel structure for gun finder - Google Patents
Focusing hand wheel structure for gun finder Download PDFInfo
- Publication number
- CN2775595Y CN2775595Y CNU2005200545033U CN200520054503U CN2775595Y CN 2775595 Y CN2775595 Y CN 2775595Y CN U2005200545033 U CNU2005200545033 U CN U2005200545033U CN 200520054503 U CN200520054503 U CN 200520054503U CN 2775595 Y CN2775595 Y CN 2775595Y
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- CN
- China
- Prior art keywords
- knob
- column part
- inner sleeve
- projecting
- focusing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41G—WEAPON SIGHTS; AIMING
- F41G1/00—Sighting devices
- F41G1/38—Telescopic sights specially adapted for smallarms or ordnance; Supports or mountings therefor
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Telescopes (AREA)
Abstract
The utility model relates to a focusing hand wheel structure for a gun sight, which is fixed on a lens cone and comprises a knob outer cover fixedly connected with a knob inner cover, a lower cover body fixed on the lens cone and matched with the knob outer cover, an installing concave hole eccentrically arranged on the lower end surface of the knob inner cover, and an inner casing tube which is used for holding a lens and is arranged in the lens cone, wherein the inner casing tube is provided with a connecting part in the position corresponding to the installing concave hole. A convex column part is arranged in the installing concave hole. The lower end of the convex column part extends into the lens cone whose lower end is in sliding connection with the connection part in the axial direction perpendicular to the inner casing tube, and the connecting surface of the connection part is a conical surface. The utility model increases the stability through the matching connection of the convex column part and the conical surface of the connection part, dispenses with an elastic component and decreases the producing cost and the assembling cost.
Description
Technical field
The utility model relates to a kind of optical telescope, as the optical laying camera lens, relates in particular to the knob structure that a kind of rifle focuses in taking aim at and improves.
Background technology
In existing optical telescope, in the optical laying camera lens, for realizing the resolution situation of different distance, on lens barrel, generally can be provided with focusing structure, but in the focusing structure of prior art, the sleeve pipe that adopts direct turn to have lens or set of lenses usually produces along the moving of optical axis direction, as bigbore telescopic system adopt object lens to seesaw and the motionless structure of field lens, because remove the instrumentality lens head, focusing is inconvenient.But in some accurate optics were looked in the distance equipment, as the optical laying camera lens that firearms are used, its lens barrel was generally longer, and is very inconvenient with direct turn mode.
But the influence that side of the prior art focusing knob structure produces when can't resolve side knob turn to lens axis, can cause that optical axis trembles and graduation silk misalignment in the adjustment process, and adjustment structure itself influences departing from up and down of optical axis, influence the effect of handwheel normal regulating, the optical axis that mixes up is produced again depart from as mixing up behind the beam axis sight again the process of focusing earlier.
At the defective of above-mentioned prior art, the applicant improves, and has precedingly submitted patent application to, its basic structure is the focusing handwheel structure that a kind of rifle is taken aim at as shown in Figure 1, and it is fixed on the lens barrel 110, it comprises a knob enclosing cover 120, is fixedly connected with a knob inner cap 130; And one lower cover 140 be fixed on the described lens barrel 110, with described 120 suitable connections of knob enclosing cover; The lower surface off-centre of described knob inner cap 130 is provided with one shrinkage pool 131 is installed, one elastic component 132 and a projecting-column part 133 are installed in this installation shrinkage pool 131 successively, the lower end of this projecting-column part 133 extends in the described lens barrel 110, its lower end is one flat mouthful of chute 134, and this flat mouthful chute 134 is suitable with the transverse slider 112 on the inner sleeve 111 that is arranged on the carrying set of lenses in the described lens barrel 110.So, when the described knob of turn enclosing cover 120, the described knob inner cap 130 of interlock rotates, because described installation shrinkage pool 131 and interior projecting-column part 133 thereof be eccentric the setting on described knob inner cap 130, the rotation of described knob inner cap 130 will cause that described projecting-column part 133 axially and on perpendicular to axial direction is all having displacement along described inner sleeve 111; Described projecting-column part 133 and described transverse slider 112 perpendicular to described inner sleeve 111 axial slidably cooperating, displacement perpendicular to axial direction will be eliminated, only on axial, displacement is arranged along described inner sleeve, thereby can move the lens position in the described inner sleeve, realize the convenient action of focusing accurately.
But, in the said structure because must flexible 132 hold, just can make the mutual adaptive work of described projecting-column part 133 and described transverse slider 112, and take aim in the use, may reel at the rifle of reality, in the motion rifle is taken aim at the generation vibrations, excessive vibrations will cause the mutual disengaging of described projecting-column part 133 and described transverse slider 112, in case break away from, described inner sleeve will be shifted front and back, can't reset, causing whole rifle to be taken aim at all can't use; In addition, increase these parts of elastic component production cost is increased, assembling process increases difficulty, so the cost height.
Therefore also there is defective in prior art, and awaits continuing to improve and development.
The utility model content
The focusing handwheel structure that provides a kind of rifle to take aim at is provided the purpose of this utility model, by improving the projecting-column part that slidably connects and the joint face of inner sleeve connecting portion, the handled easily of focusing when realize guaranteeing the steadiness of its connection, and can omit the parts of an elastic component.
The technical solution of the utility model is as follows:
The focusing handwheel structure that a kind of rifle is taken aim at, it is fixed on the lens barrel, and it comprises
One knob enclosing cover is fixedly connected with a knob inner cap; And
One lower cover is fixed on the described lens barrel, and is suitable with described knob enclosing cover;
The lower surface off-centre of described knob inner cap is provided with one shrinkage pool is installed; And
The inner sleeve of one carrying lens is arranged in the described lens barrel, and the position of corresponding described installation shrinkage pool is provided with connecting portion on this inner sleeve; Wherein,
In the described installation shrinkage pool projecting-column part is installed, the lower end of this projecting-column part extends in the described lens barrel, and its lower end axially slidably is connected perpendicular to described inner sleeve with described connecting portion edge, and its joint face is the conical surface.
Described focusing handwheel structure, wherein, the lower end of described projecting-column part is a chute, extend downwards its both sides, and the formation conical surface that slopes inwardly;
Described connecting portion is one along perpendicular to the axial transverse slider of described inner sleeve, and its both sides are the conical surface, and slightly pine is adaptive with described chute.
Described focusing handwheel structure, wherein, the lower end of described projecting-column part is a slide block, its both sides are the conical surface;
Described connecting portion is one along perpendicular to the axial horizontal concrete chute of described inner sleeve, and its both sides extend inward as the conical surface, and slightly pine is adaptive with described slide block.
Described focusing handwheel structure, wherein, the rear end of described projecting-column part is provided with an elastic component and is used to hold described projecting-column part in described installation shrinkage pool.
Described focusing handwheel structure wherein, is provided with elastic supporting member for supporting optical member between described inner sleeve and the described outer tube, is used to hold described inner sleeve.
The focusing handwheel structure that a kind of rifle provided by the utility model is taken aim at, owing to adopted improved side focusing knob structure, the outstanding post portion and the connecting portion that slidably connect that connect by the conical surface promptly are set, only on the direction axial, slidably move perpendicular to described inner sleeve, be difficult for breaking away from, anti-seismic performance in convenient the use reduces the failure in service rate; And can omit an elastic component, convenient production and assembling reduced cost.
Brief Description Of Drawings
In the accompanying drawing,
The cross section view of the focusing handwheel structure that Fig. 1 takes aim at for a kind of rifle of having applied for before the applicant;
Fig. 2 is the schematic perspective view of the optical sight of the side focusing structure that has of the present utility model;
The cross section view of the focusing handwheel structure that Fig. 3 takes aim at for rifle of the present utility model;
Fig. 4 a and Fig. 4 b are the syndeton schematic diagram of two preferred embodiments of the focusing handwheel structure taken aim at of rifle of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing,, will make the technical solution of the utility model and beneficial effect thereof apparent by detailed description to preferred embodiment of the present utility model.
The focusing handwheel structure that a kind of rifle of the present utility model is taken aim at, as shown in Figures 2 and 3, it adopts object lens motionless, adjust the mode of field lens, this focusing structure is fixed on the lens barrel 110, also comprise a knob enclosing cover 120, this knob enclosing cover 120 is fixedly connected with a knob inner cap 130, the outer peripheral edges radius of this knob enclosing cover is bigger, shade is on described knob inner cap 130, the end face inwall of this knob enclosing cover 120 is provided with an arc chute 121, and this arc chute 121 is around the pivot setting, and a corresponding lower cover 140 is provided with a spacing block set 141.This spacing block set 141 and described arc chute 121 are suitable, when the described knob of turn enclosing cover 120, thereby sliding, spacing block set 141 can limit the anglec of rotation of described knob enclosing cover 120 in described arc chute 121, the front and back degree of displacement of final restriction optical lens, thus realize the needed displacement of focusing.
Described lower cover 140 is fixed on the described lens barrel 110, and suitable with described knob enclosing cover 120, described spacing block set 141 can be wholely set with this lower cover 140, also can use raised head bolt to be screwed on the upper side of described lower cover 140; The upper side extension of this lower cover 140 is arranged between the outer peripheral edges and described knob inner cap 130 of described knob enclosing cover 120, is completely fixed to be used for described lens barrel 110 knob enclosing cover rotating angle, and also be the spacing of focusing range.
The lower surface off-centre of described knob inner cap 130 is provided with one shrinkage pool 131 is installed, and is provided with a projecting-column part 233 in this installation shrinkage pool 131, and the lower end of this projecting-column part 233 extends in the described lens barrel 110, and its lower end is a slide block 234, shown in Fig. 3 and Fig. 4 a; This slide block 234 is suitable with the connecting portion 212 on the inner sleeve 111 that is arranged on the carrying set of lenses in the described lens barrel 110, this slide block 234 can be when the described knob inner cap 130 of described knob enclosing cover 120 drives rotates, undertaken axially going up mobile by described projecting-column part 233 eccentric rotary along described inner sleeve 111, thereby eccentric rotary is converted into the displacement that makes progress along barrelshift fully, finally realizes the focusing process.This connecting portion 212 can be fixed on the described inner sleeve 111 with any existing fixed mode, when being preferably the use bolting, reinforces with colloid then.Described slide block 234 connected with being connected by the conical surface of described connecting portion 212.
Concrete, the slide block of the bottom of described projecting-column part 233 234 is set to the conical surface in both sides, and described connecting portion 212 is one along perpendicular to the axial horizontal concrete chute of described inner sleeve 111, its both sides formation conical surface that extends internally, and slightly pine is adaptive with the conical surface of described slide block.Like this, described projecting-column part 233 is in the process of the described inner sleeve of guiding 111 front and back focusing, and described slide block 234 can not break away from mutually with described connecting portion 212, can only move along described horizontal concrete chute.
It should be noted that focusing handwheel structure described in the utility model, the cooperation of the lower end of described projecting-column part and described connecting portion 212 can be exchanged, promptly shown in Fig. 4 b, the lower end of described projecting-column part 233 is set to a chute, and extend downwards its both sides, and the formation conical surface that slopes inwardly; Meanwhile, described connecting portion 212 is one along perpendicular to the axial transverse slider of described inner sleeve, and its both sides are the conical surface, and slightly pine is adaptive with the conical surface of described chute.Like this, described projecting-column part can not break away from described connecting portion, can only move along described transverse slider, thus the realization of assurance focusing function.
Described focusing handwheel structure in the such scheme of the present utility model, can save described elastic component, thereby reduce the cost of producing and assembling, but for increasing steadiness, described focusing handwheel of the present utility model can be provided with elastic component such as spring, so that hold described projecting-column part, strengthen steadiness to described connecting portion.
Described focusing structure of the present utility model, as shown in Figure 2, after the optical axis adjustment structure 210,220 that is provided with simultaneously on the described lens barrel on the both direction, because the point of adjustment of optical axis adjustment structure is also basic close with the focusing structure position at the interlude of lens barrel, also can exert an influence when therefore, optical axis is regulated to focusing.For example two optical axis adjustment structures are vertically disposed mutually, therefore, offside and vertical side at described focusing structure of the present utility model are respectively arranged with an optical axis adjustment structure, but the optical axis adjustment structure of offside is when regulating optical axis, described elastic component 132 in the focusing structure of the present utility model can be compressed slightly and be stretched, but focal length can be held the influence that not regulated by optical axis; When the optical axis governor motion of vertical side when regulating optical axis, can slightly laterally move between the described slide block 234 of described outstanding post portion 233 and the described connecting portion 212, but focal length also can be maintained the influence that is not subjected to the optical axis adjusting by described focusing structure of the present utility model.Like this, the stability when focusing structure of the present utility model can be realized focusing is eliminated the influence to optical axis, and can remain on the stability of the focal length of optical axis when regulating.
Described focusing structure of the present utility model, also be provided with a plurality of locating holes on the described lower cover 140, particularly but to be not limited to can be 12 locating holes, center around described lower cover 140 is provided with, mainly be to locate for easy to assembly described lower cover 140 will be moved on on the described optical axis from the nearest locating hole of the optical axis of described lens barrel in rotation on the installing hole, then described spacing block set is fixed on this locating hole, so just having save to need to rotate the defective that big half-turn could rotate to locating hole the fixed position under the situation of having only a locating hole.
Focusing structure described in the utility model, described knob enclosing cover 120 can use any one with the fixed form of described knob inner cap 130, and it is fixedly connected in the present embodiment by a locking pin member 122, described locking pin member 122 is a bolt, correspondence is provided with screwed hole 123 on described knob enclosing cover 120, and be provided with lockpin hole at the correspondence position of described knob inner cap 130, promptly one allow described locking pin member 122 to insert fixing shrinkage pool.Described locking pin member 122 passes this screwed hole 123 and is tightened and holds out against described knob inner cap 130, thereby is mutually permanently connected.Outer circumferential side at described knob enclosing cover 120 also is provided with anti-skidding burr 124, thus can be conveniently when focusing to the turn of described knob enclosing cover 120 firmly.
Described focusing structure of the present utility model, between described lower cover 140 and described knob inner cap 130, also be provided with two trim rings 151,152, and under this pair trim ring, also be provided with nylon spacer 153, this pair trim ring 151,152, and nylon spacer 153 can be used for wear-resisting because described knob inner cap 130 and described lower cover 140 are in the relative displacement each other of when focusing.
In addition, focusing structure described in the utility model also is provided with sealing ring 154 between described knob enclosing cover 120 and the described lower cover 140, is used for sealed damp-proof and dustproof, and can makes the turn resistance of knob even, and feel is steady.For making things convenient for focusing person, also be provided with adjusting reference mark sign on the described knob enclosing cover 120 with reference to the scope of regulating.
Between described inner sleeve and outer tube, also be provided with an elastic component 280, be used to hold described inner sleeve 111, make it to reduce the vibrations on the axial direction of vertical described inner sleeve 111, to increase its steadiness.
In sum, the focusing handwheel structure that a kind of rifle of the present utility model is taken aim at, above-mentioned description to preferred embodiment is too concrete, can not therefore be interpreted as scope of patent protection of the present utility model, and its scope of asking for protection should be as the criterion with accompanying claims.
Claims (5)
1, the focusing handwheel structure taken aim at of a kind of rifle, it is fixed on the lens barrel, and it comprises
One knob enclosing cover is fixedly connected with a knob inner cap; And
One lower cover is fixed on the described lens barrel, and is suitable with described knob enclosing cover;
The lower surface off-centre of described knob inner cap is provided with one shrinkage pool is installed; And
The inner sleeve of one carrying lens is arranged in the described lens barrel, and the position of corresponding described installation shrinkage pool is provided with connecting portion on this inner sleeve; It is characterized in that,
In the described installation shrinkage pool projecting-column part is installed, the lower end of this projecting-column part extends in the described lens barrel, and its lower end axially slidably is connected perpendicular to described inner sleeve with described connecting portion edge, and its joint face is the conical surface.
2, focusing handwheel structure according to claim 1 is characterized in that, the lower end of described projecting-column part is a chute, and extend downwards its both sides, and the formation conical surface that slopes inwardly;
Described connecting portion is one along perpendicular to the axial transverse slider of described inner sleeve, and its both sides are the conical surface, and slightly pine is adaptive with described chute.
3, focusing handwheel structure according to claim 1 is characterized in that, the lower end of described projecting-column part is a slide block, and its both sides are the conical surface;
Described connecting portion is one along perpendicular to the axial horizontal concrete chute of described inner sleeve, and its both sides extend inward as the conical surface, and slightly pine is adaptive with described slide block.
4,, it is characterized in that the rear end of described projecting-column part is provided with an elastic component and is used to hold described projecting-column part in described installation shrinkage pool according to claim 2 or 3 described focusing handwheel structures.
5, focusing handwheel structure according to claim 4 is characterized in that, is provided with elastic supporting member for supporting optical member between described inner sleeve and the described outer tube, is used to hold described inner sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200545033U CN2775595Y (en) | 2005-02-03 | 2005-02-03 | Focusing hand wheel structure for gun finder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200545033U CN2775595Y (en) | 2005-02-03 | 2005-02-03 | Focusing hand wheel structure for gun finder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2775595Y true CN2775595Y (en) | 2006-04-26 |
Family
ID=36749911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2005200545033U Expired - Fee Related CN2775595Y (en) | 2005-02-03 | 2005-02-03 | Focusing hand wheel structure for gun finder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2775595Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105783592A (en) * | 2014-12-26 | 2016-07-20 | 武汉长江光电有限公司 | Sighting telescope internal focusing and lighting dimmer integrated mechanism |
-
2005
- 2005-02-03 CN CNU2005200545033U patent/CN2775595Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105783592A (en) * | 2014-12-26 | 2016-07-20 | 武汉长江光电有限公司 | Sighting telescope internal focusing and lighting dimmer integrated mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |