CN208380454U - A kind of burglarproof peep hole - Google Patents

Abstract

The utility model belongs to the opal technical field for safety precaution in living, refer in particular to a kind of burglarproof peep hole, including inner tube and the outer tube being screwed onto inner tube, the outer end of the outer tube is bolted with opal camera lens, clockwork spring is installed on the outer tube, and the clockwork spring is arranged between outer tube and inner tube, clockwork spring is bonded with outer tube outer wall and inner tube wall respectively.Clockwork spring is helical form, is installation clockwise when installation, is rotated clockwise during installation by screw thread, clockwork spring can be increasingly tighter when rotating clockwise, and so that clockwork spring is adjacent to outer tube, so as to easily be rotatablely installed.It when if necessary to dismantle, rotates counterclockwise, clockwork spring can make spring toward extending out and withstanding the inner wall of inner tube when rotating counterclockwise, so that anticlockwise rotation is limited, to can not be disassembled.

Description

A kind of burglarproof peep hole

Technical field

The utility model belongs to security door technical field, refers in particular to a kind of burglarproof peep hole.

Background technique

Opal used in our life widely, most opal is also all by the pipe of front end rear end two Then body composition, two tube bodies are connected with the optical mirror slip of observation, not so by being simply threaded togather on tube body Will very be difficult to install, but the anti-theft performance of the opal of this mode does ideal not enough, and especially people are present Safety is particularly valued, so installation opal hole allows burglar to have opportunity, the tube body that need to only rotate outdoors can facilitate Disassembly opal, then burglar can make an issue of from opal hole, and security performance is excessively poor.

A kind of the practical new of burglarproof peep hole of Patent No. 201420774928.0 is disclosed on Chinese patent retrieval website Type patent, content disclose a kind of burglarproof peep hole, have the side for installing objective tube in door body described in concave block to open up on objective tube The hole being consistent with objective tube cross section, it is intended to guarantee that opal can not be destroyed by rotating objective tube, although can also reach Prevent ease rotation from dismantling, but there is also some disadvantages, such as: lens barrel is irregular shape, is very difficult to process, and is installed It is again more complicated.

In addition, the direction of opal is mostly unidirectional, the case where Men Nei be can see outdoors, it can't see the feelings in door outdoors Condition, this is mainly the effect reached of eyeglass of camera lens, and still, there are also many anti-opals, is used to anti-particular for us The opal for stealing door can be clearly seen that indoor situation by anti-opal, so being also easy to be peeped by others in outdoor Or burglar is used to observe whether indoor situations reselection commits a crime, very without the sense of security.

Summary of the invention

The purpose of the utility model is to provide a kind of structure is simple, the good opal of anti-theft.

Purpose of the utility model is realized as follows:

A kind of burglarproof peep hole, including inner tube and the outer tube being screwed onto inner tube, the outer end of the outer tube is bolted with opal mirror Head is installed with clockwork spring on the outer tube, and the clockwork spring is arranged between outer tube and inner tube, clockwork spring respectively with Outer tube outer wall and inner tube wall fitting.

Further, the opening of the outer tube offers clockwork spring mounting groove, the inner ring setting of the clockwork spring One clamp, the clamp are stuck in the clockwork spring mounting groove, prevent clockwork spring from rotating on the outer tube.

Further, the outer pipe surface is equipped with external screw thread, offers the external screw thread in the pipe of said inner tube and mutually nibbles The internal screw thread of conjunction.

Further, the opal camera lens includes the lens cover for being screwed onto outer tube outer end, is disposed with mesh in the lens cover Mirror anti-dazzling screen and object lens.

Further, the outside of the clockwork spring is equipped with washer.

Further, the outside of the gasket is equipped with circlip.

Further, the inner end of said inner tube is hinged with door, and the door can be rotated around hinge joint.

Further, rotational handle is additionally provided on the door, the rotational handle is mounted on the opposite of the hinge joint Side.

Further, the inner end of said inner tube is also provided with a rotation slot.

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

1. the shell of opal mainly includes two parts of inner and outer tubes, inner tube is installed from the indoor side for being door, outside Pipe is installed from the indoor side of door, and including outer tube socket in pipe, an installation clockwork spring is opened up in the opening of outer tube Clockwork spring mounting groove, a clamp of the inner ring of clockwork spring is stuck in slot, prevents the unitary rotation of clockwork spring, clockwork spring Spring is snail shape, is equivalent to the disk of a spiral, and inner ring is bent with a clamp, is installation clockwise when installation, It is rotated clockwise when installation by screw thread, clockwork spring can be increasingly tighter when rotating clockwise, and pastes clockwork spring and outer tube Tightly, so as to being easily rotatablely installed.It when if necessary to dismantle, rotates counterclockwise, clockwork spring meeting when rotating counterclockwise Make spring toward extending out and withstanding the inner wall of inner tube, so that anticlockwise rotation is limited, to can not be disassembled.

When being dismantled, it is only necessary to circlip be taken out from inner tube indoors, then washer and clockwork spring are taken Out, opal can be rotated normally to complete to dismantle.

2. being hinged with rotatable door on indoor one end of opal, it can be closed, prevent other when not using opal People carries out peeping interior by other tools.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model.

Fig. 2 is the schematic diagram of clockwork spring.

Fig. 3 is the explosive view of the utility model.

Meaning represented by figure label:

1- inner tube；2- outer tube；3- clockwork spring；4- clockwork spring mounting groove；5- washer；6- circlip；7- door；8- gear Lid handle；9- clamp；10- opal camera lens；11- anti-dazzling screen；12- object lens；13- eyepiece；14- rotation slot.

Specific embodiment

The utility model is further described combined with specific embodiments below:

A kind of burglarproof peep hole, including inner tube 1 and the outer tube 2 that is screwed onto inner tube 1, the outer tube) outer end be bolted with cat Glasses head 10 is installed with clockwork spring 3 on the outer tube 2, and the clockwork spring 3 is arranged between outer tube 2 and inner tube 1, hair Bar spring 3 is bonded with 2 outer wall of outer tube and 1 inner wall of inner tube respectively.

Preferably, a clamp 9 is arranged in the inner ring of the clockwork spring 3, and the clamp 9 is stuck in the clockwork spring mounting groove In 4, prevent clockwork spring 3 from rotating on the outer tube 2.

The shell of opal mainly includes 2 two parts of inner tube 1 and outer tube, and inner tube 1 is installed from the indoor side for being door, outside Pipe 2 is installed from the indoor side of door, and outer tube 2 is socketed in inner tube 1, and an installation clockwork spring is opened up in the opening of outer tube 2 The clockwork spring mounting groove 4 of spring 3, a clamp 9 on the inner ring of clockwork spring 3 are stuck in slot, prevent the whole of clockwork spring 3 Body rotation, clockwork spring 3 are helical form, are installation clockwise when installation, are rotated clockwise during installation by screw thread, clockwork spring bullet Spring 3 can be increasingly tighter when rotating clockwise, and is adjacent to clockwork spring 3 with outer tube 2, so as to easily be rotatablely installed.Such as It when fruit needs to dismantle, rotates counterclockwise, when rotating counterclockwise spring can withstand in inner tube 1 clockwork spring 3 toward extending out Wall, so that anticlockwise rotation is limited, to can not be disassembled.

When being dismantled, it is only necessary to circlip 6 be taken out from inner tube 1 indoors, then washer 5 and clockwork spring 3 take out, and can rotate opal normally to complete to dismantle.

Preferably, 2 surface of outer tube is equipped with external screw thread, offers the external screw thread in the pipe of said inner tube 1 and mutually nibbles The internal screw thread of conjunction.

Preferably, include eyepiece 13 and object lens 12 inside the opal camera lens 10, gone back between the eyepiece 13 and object lens 12 Equipped with anti-dazzling screen 11.Observation can be facilitated in the case where light is too strong, block strong light.

Preferably, the side of the clockwork spring 3 is equipped with washer 5.For allowing clockwork spring 3 to be more stably mounted on outer tube On 2.

Preferably, the outside of the washer 5 is equipped with circlip 6.Circlip 6 is mounted on the outermost of inner tube 1, for blocking washer 5 and clockwork spring 3, prevent washer 5 and clockwork spring 3 from falling.

Preferably, the inner end of said inner tube 1 is hinged with door 7, and the door 7 can be rotated around hinge joint；The room of opal It is hinged with rotatable door 7 on interior one end, can be closed when not using opal, prevent from being carried out by others by other tools Peep interior.

Preferably, it is additionally provided with rotational handle 8 on the door 7, the rotational handle 8 is mounted on pair of the hinge joint Side.It allows a user to more easily rotate door 7.

Preferably, the inner end of said inner tube 1 is also provided with a rotation slot 14.Rotation slot 14 opens up the installation that can make opal It is more convenient with dismantling, it can be transferred through a word spiral shell knife to rotate opal.

Above-described embodiment is only the preferred embodiment of the utility model, not limits the protection model of the utility model according to this It encloses, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by the protection of the utility model Within the scope of.

Claims (8)

1. a kind of burglarproof peep hole, including inner tube (1) and the outer tube (2) being screwed onto inner tube (1), the outer end of the outer tube (2) is set It is equipped with opal camera lens (10), it is characterised in that: be installed with clockwork spring (3) on the outer tube (2), and the clockwork spring (3) It is arranged between outer tube (2) and inner tube (1), clockwork spring (3) is bonded with outer tube (2) outer wall and inner tube (1) inner wall respectively.

2. a kind of burglarproof peep hole according to claim 1, it is characterised in that: the opening of the outer tube (2) offers hair A clamp (9) are arranged in the inner ring of spring mounting groove (4), the clockwork spring (3), and the clamp (9) is stuck in the clockwork spring bullet Spring mounting groove (4).

3. a kind of burglarproof peep hole according to claim 1, it is characterised in that: the opal camera lens (10) includes outside being screwed onto The lens cover of (2) outer end is managed, is disposed with eyepiece (13) anti-dazzling screen (11) and object lens (12) in the lens cover.

4. a kind of burglarproof peep hole according to claim 1 or 2, it is characterised in that: the outside of the clockwork spring (3) is equipped with Washer (5).

5. a kind of burglarproof peep hole according to claim 4, it is characterised in that: the outside of the washer (5) is equipped with circlip (6)。

6. a kind of burglarproof peep hole according to claim 1, it is characterised in that: the inner end of said inner tube (1) is hinged with door (7), the door (7) can rotate around hinge joint.

7. a kind of burglarproof peep hole according to claim 6, it is characterised in that: rotational handle (8) are additionally provided on the door, The rotational handle (8) is mounted on the opposite side of the hinge joint.

8. a kind of burglarproof peep hole according to claim 1, it is characterised in that: the inner end of said inner tube (1) is also provided with one Rotation slot (14).