CN208152900U - A kind of Spy hole of anti-theft door carrying out focus adjustment - Google Patents
A kind of Spy hole of anti-theft door carrying out focus adjustment Download PDFInfo
- Publication number
- CN208152900U CN208152900U CN201820372462.XU CN201820372462U CN208152900U CN 208152900 U CN208152900 U CN 208152900U CN 201820372462 U CN201820372462 U CN 201820372462U CN 208152900 U CN208152900 U CN 208152900U
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- CN
- China
- Prior art keywords
- sleeve
- fixed plate
- focus adjustment
- spring
- fixed
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- 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.)
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Abstract
The utility model discloses the Spy hole of anti-theft door that one kind of burglary-resisting installation technical field can carry out focus adjustment,Including sleeve,One end of the sleeve is provided with object lens,The other end of the sleeve is bolted with thread barrel,The other end of the thread barrel is fixed with adjusting head,The inner wall for adjusting head is connected with eyepiece,Side wall one end of the sleeve is provided with catching groove,The both ends of the sleeve are cased with the first fixed plate and the second fixed plate respectively,The upper and lower ends side surface of first fixed plate and the second fixed plate is provided with fixed hole,The utility model passes through the cooperation between ball and catching groove,It in order to the upper and lower of eyepiece or can move left and right,Dead angular position outdoors is observed,Pass through the cooperation between spring and sleeve,It can be after eyepiece have been observed,Automatic returning is in situ under the action of the spring for sleeve,Pass through the cooperation between sleeve and thread barrel,The distance between eyepiece and object lens can be conveniently adjusted,Convenient for the observation at far and near position outdoors.
Description
Technical field
The utility model relates to burglary-resisting installation technical field, specially a kind of Spy hole of anti-theft door that can carry out focus adjustment.
Background technique
Peephole popular name is called opal.Opal is installed in a kind of compact optical instrument on the door of house family, because light passes through
It sees the light that the much like Persian broadleaf monkeyflower herb of appearance that it glistens issues at night at a distance after reflecting, so to its alias cat
Eye；It is by one piece of concave lens (object lens) and one piece of convex lens group at.The focal length of object lens is extremely short, it makes outdoor people or object at just
The vertical virtual image reduced, this finally obtains the upright virtual image of an amplification as just falling within the focus of eyepiece, this as just again at
Near the distance of distinct vision of human eye, to outdoors the case where just see clearly；It looks out, can be seen clearly outdoors from interior by peephole
Field angle is about all scenes within the scope of 120 degree, and from outdoors pass through peephole can not see it is indoor anything.If
On the gate of public housing or private residence etc., this mirror is loaded onto, for the antitheft and safe of family, can play a role.
Existing Spy hole of anti-theft door when in use, is not easy to the observation to some dead angular positions outdoors, while can not
The outer visual field observed is far and near on the door for convenient adjustment, and certain influence is brought to the use of opal.
Based on this, the utility model devises a kind of Spy hole of anti-theft door that can carry out focus adjustment, to solve the above problems.
Utility model content
The purpose of this utility model is to provide the Spy hole of anti-theft door that one kind can carry out focus adjustment, to solve above-mentioned background
The existing Spy hole of anti-theft door proposed in technology when in use, is not easy to the observation to some dead angular positions outdoors, simultaneously
The problem of the outer visual field distance observed on the door can not easily be adjusted.
To achieve the above object, the utility model provides the following technical solutions：A kind of security door carrying out focus adjustment
Opal, including sleeve, one end of the sleeve are provided with object lens, and the other end of the sleeve is bolted with thread barrel, the screw thread
The other end of cylinder is fixed with adjusting head, and the inner wall for adjusting head is connected with eyepiece, and side wall one end of the sleeve, which is provided with, buckles
Slot, the both ends of the sleeve are cased with the first fixed plate and the second fixed plate respectively, first fixed plate and the second fixed plate
Upper and lower ends side surface is provided with fixed hole, and the inner sidewall of first fixed plate is fixed with connecting rod, the connecting rod
Lower end be fixed with ball, the lower end of the connecting rod is connected in the inner wall of catching groove by ball activity, and described second is fixed
The inner sidewall of plate is provided with spring, and the other end side wall of the sleeve is connected by the inner sidewall activity of spring and the second fixed plate
It connects.
Preferably, the quantity of the spring is four groups, and spring is uniformly arranged on the inner sidewall of the second fixed plate.
Preferably, the outer surface for adjusting head is provided with anti-skid bulge.
Preferably, the length of the thread barrel is less than the inner cylinder length of sleeve inner.
Preferably, 5/7ths outer surfaces of the ball are connected in the inner sidewall of catching groove.
Compared with prior art, the utility model has the beneficial effects that：The utility model passes through between ball and catching groove
Cooperation, in order to the upper and lower of eyepiece or can move left and right, observe dead angular position outdoors, by spring and sleeve it
Between cooperation, can be after eyepiece have been observed, automatic returning is in situ under the action of the spring for sleeve, by sleeve and thread barrel it
Between cooperation, the distance between eyepiece and object lens can be conveniently adjusted, convenient for the observation at far and near position outdoors.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the utility model embodiment, make required for being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention,
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Other attached drawings.
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model sleeve enlarged view；
Fig. 3 is the utility model connecting rod and ball enlarged view.
In attached drawing, parts list represented by the reference numerals are as follows：
1- sleeve, 2- object lens, 3- thread barrel, 4- adjusting head, 5- eyepiece, 6- catching groove, the first fixed plate of 7-, 8- second are fixed
Plate, 9- fixed hole, 10- connecting rod, 11- ball, 12- spring.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
All other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution：A kind of security door cat carrying out focus adjustment
Eye, including sleeve 1, one end of sleeve 1 are provided with object lens 2, and the other end of sleeve 1 is bolted with thread barrel 3, thread barrel 3 it is another
End, which is fixed with, adjusts head 4, and the inner wall for adjusting head 4 is connected with eyepiece 5, and side wall one end of sleeve 1 is provided with catching groove 6, and the two of sleeve 1
It holds and is cased with the first fixed plate 7 and the second fixed plate 8 respectively, the upper and lower ends side surface of the first fixed plate 7 and the second fixed plate 8 is equal
It is provided with fixed hole 9, the inner sidewall of the first fixed plate 7 is fixed with connecting rod 10, and the lower end of connecting rod 10 is fixed with ball 11,
The lower end of connecting rod 10 is connected in the inner wall of catching groove 6 by 11 activity of ball, and the inner sidewall of the second fixed plate 8 is provided with spring
12, the other end side wall of sleeve 1 is flexibly connected by spring 12 with the inner sidewall of the second fixed plate 8.
Wherein, the quantity of spring 12 is four groups, and spring 12 is uniformly arranged on the inner sidewall of the second fixed plate 8, Ke Yibao
It demonstrate,proves thread barrel 3 and is in center position always after using；The outer surface for adjusting head 4 is provided with anti-skid bulge, is easy to implement
The rotation for exchanging section header 4, prevents hand from skidding；The length of thread barrel 3 is less than the inner cylinder length inside sleeve 1, and spiral shell may be implemented
The complete folding and unfolding of line cylinder 3 is into the inner cylinder in sleeve 1；5/7ths outer surfaces of ball 11 are connected in the inner sidewall of catching groove 6, can
To realize that catching groove 6 buckles stablizing for ball 11.
One of the present embodiment has particular application as：When using the present apparatus, first with the first fixed plate 7 and the second fixed plate
Fixed hole 9 on 8 is separately fixed inside and outside door body, can be by arriving sleeve 1 through thread barrel 3 using eyepiece 5, most
The case where being observed outdoors by object lens 2 afterwards, while head 4 can be adjusted by rotation and thread barrel 3 is driven to rotate, realization thread barrel 3
It is flexible in sleeve 1, the distance between eyepiece 5 and object lens 2 are adjusted, is realized to the observation at far and near position outdoors, simultaneously also
It can be pulled by up and down or left and right and adjust head 4, it, can by the rotation of the ball 11 that is connected by connecting rod 10 in catching groove 6
It in order to the observation to dead angular position outdoors, unclamps again after adjusting head 4, thread barrel 3 can be automatic under the action of spring 12
It keeps in the center, completes the use of opal.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one of the utility model
In embodiment or example.In the present specification, schematic expression of the above terms be not necessarily referring to identical embodiment or
Example.Moreover, particular features, structures, materials, or characteristics described can be in any one or more embodiment or examples
In can be combined in any suitable manner.
The preferred embodiment in the utility model disclosed above is only intended to help to illustrate the utility model.Preferred embodiment is simultaneously
There is no the details that detailed descriptionthe is all, also not limiting the utility model is only the specific embodiment.Obviously, according to this theory
The content of bright book can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to preferably
The principles of the present invention and practical application are explained, so that skilled artisan be enable to better understand and utilize this
Utility model.The utility model is limited only by the claims and their full scope and equivalents.
Claims (5)
1. one kind can carry out the Spy hole of anti-theft door of focus adjustment, including sleeve (1), it is characterised in that：One end of the sleeve (1)
It is provided with object lens (2), the other end of the sleeve (1) is bolted with thread barrel (3), and the other end of the thread barrel (3) is fixed with
It adjusts head (4), the inner wall for adjusting head (4) is connected with eyepiece (5), and side wall one end of the sleeve (1) is provided with catching groove
(6), the both ends of the sleeve (1) are cased with the first fixed plate (7) and the second fixed plate (8) respectively, first fixed plate (7) and
The upper and lower ends side surface of second fixed plate (8) is provided with fixed hole (9), and the inner sidewall of first fixed plate (7) is solid
Surely have connecting rod (10), the lower end of the connecting rod (10) is fixed with ball (11), and the lower end of the connecting rod (10) passes through circle
Ball (11) activity is connected in the inner wall of catching groove (6), and the inner sidewall of second fixed plate (8) is provided with spring (12), described
The other end side wall of sleeve (1) is flexibly connected by spring (12) with the inner sidewall of the second fixed plate (8).
2. the Spy hole of anti-theft door that one kind according to claim 1 can carry out focus adjustment, it is characterised in that：The spring
(12) quantity is four groups, and spring (12) is uniformly arranged on the inner sidewall of the second fixed plate (8).
3. the Spy hole of anti-theft door that one kind according to claim 1 can carry out focus adjustment, it is characterised in that：The adjusting head
(4) outer surface is provided with anti-skid bulge.
4. the Spy hole of anti-theft door that one kind according to claim 1 can carry out focus adjustment, it is characterised in that：The thread barrel
(3) length is less than sleeve (1) internal inner cylinder length.
5. the Spy hole of anti-theft door that one kind according to claim 1 can carry out focus adjustment, it is characterised in that：The ball
(11) 5/7ths outer surfaces are connected in the inner sidewall of catching groove (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820372462.XU CN208152900U (en) | 2018-03-19 | 2018-03-19 | A kind of Spy hole of anti-theft door carrying out focus adjustment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820372462.XU CN208152900U (en) | 2018-03-19 | 2018-03-19 | A kind of Spy hole of anti-theft door carrying out focus adjustment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208152900U true CN208152900U (en) | 2018-11-27 |
Family
ID=64392028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820372462.XU Expired - Fee Related CN208152900U (en) | 2018-03-19 | 2018-03-19 | A kind of Spy hole of anti-theft door carrying out focus adjustment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208152900U (en) |
-
2018
- 2018-03-19 CN CN201820372462.XU patent/CN208152900U/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: 20181127 Termination date: 20210319 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |