CN207114855U - A kind of embedded peg type zoom structure - Google Patents
A kind of embedded peg type zoom structure Download PDFInfo
- Publication number
- CN207114855U CN207114855U CN201720753299.7U CN201720753299U CN207114855U CN 207114855 U CN207114855 U CN 207114855U CN 201720753299 U CN201720753299 U CN 201720753299U CN 207114855 U CN207114855 U CN 207114855U
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- China
- Prior art keywords
- zoom
- shank
- pin
- circle
- groove
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- Expired - Fee Related
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- 238000007789 sealing Methods 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract description 2
- 238000005260 corrosion Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a kind of embedded peg type zoom structure, including：Outer tube, shank, turn round circle, zoom pin, eyepiece stalk；Inner tube is nested in the inside of outer tube, and shank is arranged on the outside of outer tube, and eyepiece stalk is arranged on one end of shank, coordinated with screw thread；Outer tube is provided with screw；Shank is provided with guide groove；One end of zoom pin is provided with external screw thread；External screw thread matches with screw, and the other end and the guide groove of zoom pin match；Turn round the internal groove for being provided with rectangle of circle；Groove matches with zoom pin；Zoom pin begins positioned at the inside for turning round circle, and turning round between circle and eyepiece stalk, shank has sealing ring to be sealed, and empty gas and water of the zoom pin not with the external world is contacted, will not corrosion；Zoom pin is not exposed outside, does not influence outward appearance；The size of gun sight does not interfere with the thickness of each part, and zoom pin size will not change and change with the size of gun sight, and zoom pin can be with general.
Description
Technical field
The utility model belongs to optical-mechanical technical field, and in particular to a kind of embedded peg type zoom structure.
Background technology
The zoom structure generally use inner tube fluting (hole) of existing gun sight, connected using zoom pin and turn round circle and inside
Zoom device, zoom pin and zoom turn round circle threaded connection, and pin head contacts with the groove (hole) of inner tube, turn torsion circle, pass through
Pin, which drives, turns round circle motion；Pin is exposed, and is not easy to waterproof, antirust, unsightly, while according to the torsion circle of different profiles,
Length of pin is inconsistent, is not easy to part generalization.
The content of the invention
It is exposed to solve existing zoom structure pin, is not easy to waterproof, antirust, unsightly, while according to difference
The torsion circle of profile, length of pin is inconsistent, is not easy to the unitized problem of part, there is provided a kind of embedded peg type zoom knot
Structure.
A kind of embedded peg type zoom structure, including：Outer tube, shank, turn round circle, zoom pin, eyepiece stalk；Shank is arranged on
The outside of outer tube, eyepiece stalk are arranged on one end of shank, coordinated with screw thread；Described outer tube is provided with screw；Described shank
It is provided with guide groove；One end of described zoom pin is provided with external screw thread；Described external screw thread matches with screw, zoom pin
The other end matches with guide groove；The described internal groove for being provided with rectangle of torsion circle；Described groove matches with zoom pin；Mirror
Boss is additionally provided with the outside of body；Described boss is annular in shape；Described torsion circle is annular in shape, is nested in the outside of shank, eyepiece stalk
Between boss；
Described guide groove is annular in shape or helical form；
Described groove is semi-open type groove or full-open type groove；
Sealing ring is provided between described torsion circle and eyepiece stalk；Sealing ring is provided between described torsion circle and boss.
The utility model provides a kind of embedded peg type zoom structure, including：Outer tube, shank, turn round circle, zoom pin,
Eyepiece stalk；Described inner tube is nested in the inside of outer tube, and shank is arranged on the outside of outer tube, and eyepiece stalk is arranged on the one of shank
End, is coordinated with screw thread；Described outer tube is provided with screw；Described shank is provided with guide groove；One end of described zoom pin
Provided with external screw thread；Described external screw thread matches with screw, and the other end and the guide groove of zoom pin match；In described torsion circle
Portion is provided with the groove of rectangle；Described groove matches with zoom pin；Boss is additionally provided with the outside of shank；Described boss is in
Ring-type；Described torsion circle is annular in shape, the outside of shank is nested in, between eyepiece stalk and boss；Described guide groove is annular in shape or spiral shell
Revolve shape；Described groove is semi-open type groove or full-open type groove；Sealing ring is provided between described torsion circle and eyepiece stalk；It is described
Torsion circle and boss between be provided with sealing ring.
During installation, inner tube, outer tube are nested in the inside of shank first, zoom pin inserted by guide groove, by zoom pin
The external screw thread of nail is engaged with screw, and the sealing ring turned round between circle and boss is installed, and will be turned round circle and is nested on shank, makes torsion
The groove of circle is engaged with zoom pin, and eyepiece stalk is installed on shank, then will be turned round sealing ring between circle and eyepiece stalk and installed
It is good, that is, install.During using turning round circle progress zoom operation, circle is turned round in rotation, and the groove drive zoom pin for turning round circle is transported along guide groove
Dynamic, zoom pin drives outer tube to be moved, and completes the zoom operation of gun sight, and zoom pin begins, positioned at the inside for turning round circle, to turn round
There is sealing ring 7 to be sealed between circle and eyepiece stalk, shank, empty gas and water of the zoom pin not with the external world is contacted, and will not be become rusty
Erosion；Zoom pin is not exposed outside, does not influence outward appearance；The size of gun sight does not interfere with the thickness of each part, zoom pin
Nail dimension will not change and change with the size of gun sight, and zoom pin can be with general.
Brief description of the drawings
Fig. 1 is a kind of semi-cutaway of embedded peg type zoom structure of the utility model；
Fig. 2 is a kind of A-A sectional views of embedded peg type zoom structure of the utility model；
Fig. 3 is a kind of section B-B figure of embedded peg type zoom structure of the utility model；
Fig. 4 is a kind of zoom pin front view of embedded peg type zoom structure of the utility model.
Embodiment
Embodiment：A kind of embedded peg type zoom structure
Refer to Fig. 1-4, a kind of embedded peg type zoom structure, including：Inner tube 1, outer tube 2, shank 3, torsion circle 4, zoom
Pin 5, eyepiece stalk 6；
Described inner tube 1, outer tube 2, shank 3 are cylindrical；
Described inner tube 1 is nested in the inside of outer tube 2, and shank 3 is arranged on the outside of outer tube 2, and eyepiece stalk 6 is arranged on shank
3 one end, is coordinated with screw thread；
Described outer tube 2 is provided with screw 21；
Described shank 3 is provided with guide groove 31；
Described guide groove 31 is annular in shape or helical form；
One end of described zoom pin 5 is provided with external screw thread 51；
Described external screw thread 51 matches with screw 21, and the other end and the guide groove 31 of zoom pin 5 match；
The outside of described shank 3 is additionally provided with boss 32；
Described boss 32 is annular in shape；
Described torsion circle 4 is annular in shape, the outside of shank 3 is nested in, between eyepiece stalk 6 and boss 32；
The described inside of torsion circle 4 is provided with the groove 41 of rectangle；
Described groove 41 matches with zoom pin 5；
Described groove 41 is semi-open type groove or full-open type groove；
Sealing ring 7 is provided between described torsion circle 4 and eyepiece stalk 6；
Sealing ring 7 is provided between described torsion circle 4 and boss 32.
During installation, inner tube 1, outer tube 2 are nested in the inside of shank 3 first, zoom pin 5 is inserted by guide groove 31, will
The external screw thread 51 of zoom pin 5 is engaged with screw 21, and the sealing ring 7 turned round between circle 4 and boss 32 is installed, and will turn round circle 4
It is nested on shank 3, the groove 41 of torsion circle 4 is engaged with zoom pin 5, eyepiece stalk 6 is installed on shank 3, then will turns round
Sealing ring 7 installs between circle 4 and eyepiece stalk 6, that is, installs.
When carrying out zoom operation using torsion circle 4, rotation, which is turned round, encloses 4, and the groove 41 for turning round circle 4 drives zoom pin 5 along guide groove 31
Motion, zoom pin 5 drive outer tube 2 to be moved, and complete the zoom operation of gun sight, and zoom pin 5, which begins to be located at, turns round the interior of circle 4
Portion, turning round between circle 4 and eyepiece stalk 6, shank 3 has sealing ring 7 to be sealed, and empty gas and water of the zoom pin 5 not with the external world is connect
Touch, will not corrosion；Zoom pin 5 is not exposed outside, does not influence outward appearance；The size of gun sight does not interfere with the thickness of each part
Degree, the size of zoom pin 5 will not change and change with the size of gun sight, and zoom pin 5 can be with general.
Above-described embodiment, the purpose of this utility model, technical scheme and beneficial effect are entered
One step describes in detail, should be understood that and the foregoing is only specific embodiment of the present utility model, is not used to limit
The utility model processed, all within the spirit and principles of the utility model, any modification, equivalent substitution and improvements done etc.,
It should be included within the scope of protection of the utility model.
Claims (5)
1. a kind of embedded peg type zoom structure, including：Outer tube (2), shank (3), turn round circle (4), zoom pin (5), eyepiece stalk
(6)；Inner tube (1) is nested in the inside of outer tube (2), and shank (3) is arranged on the outside of outer tube (2), and eyepiece stalk (6) is arranged on shank
(3) one end, is coordinated with screw thread；It is characterized in that：Described outer tube (2) is provided with screw (21)；Set on described shank (3)
There is guide groove (31)；One end of described zoom pin (5) is provided with external screw thread (51)；Described external screw thread (51) and screw (21) phase
Matching, the other end and the guide groove (31) of zoom pin (5) match；The groove (41) of rectangle is provided with inside described torsion circle (4)；
Described groove (41) matches with zoom pin (5).
A kind of 2. embedded peg type zoom structure according to claim 1, it is characterised in that：The outside of shank (3) is also set
There is boss (32)；Described boss (32) is annular in shape；Described torsion circle (4) annularly, is nested in the outside of shank (3), eyepiece
Between cylinder (6) and boss (32).
A kind of 3. embedded peg type zoom structure according to claim 2, it is characterised in that：Described guide groove (31) is in ring
Shape or helical form.
A kind of 4. embedded peg type zoom structure according to claim 3, it is characterised in that：Described groove (41) is half
Open groove or full-open type groove.
A kind of 5. embedded peg type zoom structure according to claim 4, it is characterised in that：Described torsion circle (4) and mesh
Sealing ring (7) is provided between lens barrel (6)；Sealing ring (7) is provided between described torsion circle (4) and boss (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720753299.7U CN207114855U (en) | 2017-06-27 | 2017-06-27 | A kind of embedded peg type zoom structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720753299.7U CN207114855U (en) | 2017-06-27 | 2017-06-27 | A kind of embedded peg type zoom structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207114855U true CN207114855U (en) | 2018-03-16 |
Family
ID=61589137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720753299.7U Expired - Fee Related CN207114855U (en) | 2017-06-27 | 2017-06-27 | A kind of embedded peg type zoom structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207114855U (en) |
-
2017
- 2017-06-27 CN CN201720753299.7U patent/CN207114855U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180316 |