CN210483483U

CN210483483U - Solid wooden door safety structure

Info

Publication number: CN210483483U
Application number: CN201920332252.2U
Authority: CN
Inventors: 徐明霞
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-03-15
Filing date: 2019-03-15
Publication date: 2020-05-08
Anticipated expiration: 2029-03-15

Abstract

The utility model provides a solid wooden door safety structure which characterized in that: the structure comprises a cat eye hole with a solid inner wall arranged on a solid wooden door, a cat eye arranged in the cat eye hole, and a first bearing and a second bearing arranged between the cat eye and the solid inner wall of the cat eye hole, wherein the inner diameter of the cat eye hole is adapted to the outer diameter of the bearing, the cat eye comprises a lens barrel and a rear sleeve, the lens barrel is a hollow sleeve with one end provided with a lens component, the lens barrel is sleeved with the rear sleeve through threads, the inner rings of the first bearing and the second bearing are sleeved on the rear sleeve, the outer rings of the first bearing and the second bearing are fixed with the solid inner wall of the cat-eye hole, the lens barrel is rotated to drive the rear sleeve to rotate synchronously with the lens barrel, so that a thief is prevented from separating from the rear sleeve by rotating the lens barrel outdoors, and the safety factor of the solid wooden door is improved.

Description

Solid wooden door safety structure

Technical Field

The utility model belongs to the technical field of solid wooden door safety, especially, relate to a solid wooden door safety structure.

Background

At present, solid wooden doors on the market are mainly mechanical anti-theft locks, and the solid wooden doors are mostly opened and closed by rotating door handles clockwise and anticlockwise. The safety hidden danger that it exists lies in, the thief can be through dismantling the cat eye on the solid wooden door, then adopts the through-hole that combination formula curved bar passed on the cat eye, and then the indoor door handle of outdoor push-and-pull breaks solid wooden door. At present, the cat eye on the solid wooden door mainly is through a lens section of thick bamboo and back sleeve threaded connection, and solid wooden door, because there is great frictional force usually between the through-hole of back sleeve and solid wooden door, consequently the thief only needs a rotatory lens section of thick bamboo can make a lens section of thick bamboo and back sleeve phase separation easily, has great potential safety hazard. Therefore, a safety structure of a solid wood door that effectively prevents the lens barrel from being separated from the rear sleeve by rotating at the outdoor side has become a practical need.

Disclosure of Invention

The embodiment of the utility model provides a solid wooden door safety structure aims at solving and how to provide one kind and effectively prevents a lens section of thick bamboo outdoor one side through rotatory and with the solid wooden door safety structure of back sleeve phase separation.

The embodiment of the utility model provides a realize like this, a solid wooden door safety structure, its characterized in that: the structure comprises a cat eye hole with a solid inner wall arranged on a solid wooden door, a cat eye arranged in the cat eye hole, and a first bearing and a second bearing arranged between the cat eye and the solid inner wall of the cat eye hole, wherein the inner diameter of the cat eye hole is adapted to the outer diameter of the bearing, the cat eye comprises a lens barrel, a rear sleeve and a limit strip, wherein the lens barrel is a hollow sleeve with one end provided with a lens component, the rear sleeve is another hollow sleeve matched with the lens barrel, the lens barrel is provided with an external thread, the rear sleeve is provided with internal threads, the lens barrel is sleeved with the rear sleeve through the threads, the inner rings of the first bearing and the second bearing are sleeved on the rear sleeve, and the outer rings of the first bearing and the second bearing are fixed with the solid inner wall of the cat eye hole, so that the rear sleeve is driven to synchronously rotate with the lens barrel when the lens barrel is rotated; meanwhile, a first limiting groove is formed in the lens barrel, a second limiting groove is formed in the rear sleeve, and the limiting strip is arranged in the first limiting groove and the second limiting groove to limit the lens barrel and the rear sleeve to rotate relatively.

In one embodiment, the outer races of the first and second bearings are bonded to the solid inner wall of the cat-eye hole.

In one embodiment, the outer diameter of the outer rings of the first bearing and the second bearing is equal to the inner diameter of the solid inner wall of the cat-eye hole.

In one embodiment, the inner diameters of the first bearing inner ring and the second bearing inner ring are equal to the outer diameter of the rear sleeve outer ring.

In one embodiment, a lens assembly and a first positioning ring are arranged at one end of the lens barrel, and an external thread is arranged on the outer surface of the other end of the lens barrel.

In one embodiment, a second positioning ring is arranged at one end of the rear sleeve, and an internal thread is arranged on the inner surface of the other end of the rear sleeve.

In one embodiment, the first bearing is disposed on the rear sleeve at an end adjacent to the second retaining ring.

In one embodiment, the second bearing is disposed on an end of the rear sleeve distal from the second retaining ring.

In one embodiment, a gap is left between the first bearing and the second positioning ring.

In one embodiment, the outer ring outer diameter of the first bearing and the second bearing is smaller than the maximum outer diameter of the second positioning ring.

The utility model discloses a cat eye hole that has solid inner wall on solid wooden door to set up first bearing and second bearing between the solid inner wall in cat eye and cat eye hole, will first bearing with the inner circle of second bearing is fixed cup joint in on the back sleeve, will first bearing with the outer lane of second bearing with the solid inner wall in cat eye hole is fixed mutually, makes the rotation drive during the lens section of thick bamboo back sleeve rotates with it is synchronous, avoids the thief to make it and back sleeve phase separation through rotating a lens section of thick bamboo outdoors. Simultaneously, through setting up first spacing groove and second spacing groove in a lens section of thick bamboo and back sleeve near indoor one side, with a lens section of thick bamboo and back sleeve relative rotation extremely first spacing groove and second spacing groove are corresponding ground position, and then near indoor one side slip insert the spacing strip of bar at the burglary-resisting door, and restrict a lens section of thick bamboo and back telescopic relative rotation simultaneously for the cat eye of burglary-resisting door can only be followed and can take out spacing indoor one side relative rotation lens section of thick bamboo and back sleeve and dismantle, has improved the factor of safety of burglary-resisting door and has improved solid wooden door's factor of safety.

Drawings

FIG. 1 is an exploded view of the overall structure of the first embodiment;

FIG. 2 is a schematic cross-sectional view of the first embodiment;

FIG. 3 is an enlarged partial schematic view at A in FIG. 2;

FIG. 4 is an exploded view of the overall structure of the second embodiment;

FIG. 5 is a schematic cross-sectional view of the second embodiment;

FIG. 6 is an enlarged partial schematic view at B in FIG. 5;

cat eye-1, lens barrel-2, rear sleeve-3, first bearing-4, second bearing-5, external thread-6, internal thread-7, lens component-8, first positioning ring-9, second positioning ring-10, solid wood door-11, solid inner wall-12, first limiting groove-13, second limiting groove-14, limiting strip-15 and cat eye hole-16

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The existing solid wooden door is opened and closed by rotating a door handle clockwise and anticlockwise, and the potential safety hazard of the existing solid wooden door lies in that a thief can break the solid wooden door by detaching a cat eye on the solid wooden door and then adopting a combined curved rod to penetrate through a through hole on the cat eye so as to push and pull the indoor door handle outdoors. At present, the cat eye on the solid wooden door mainly is through a lens section of thick bamboo and back sleeve threaded connection, because there is great frictional force usually between the through-hole of back sleeve and solid wooden door, consequently the thief only needs a rotatory lens section of thick bamboo can make a lens section of thick bamboo and back sleeve phase separation easily, has great potential safety hazard. The utility model discloses a cat eye hole that has solid inner wall on solid wooden door to set up first bearing and second bearing between the solid inner wall in cat eye and cat eye hole, will first bearing with the inner circle of second bearing is fixed cup joint in on the back sleeve, will first bearing with the outer lane of second bearing with the solid inner wall in cat eye hole is fixed mutually, makes the rotation drive during the lens section of thick bamboo back sleeve rotates with it is synchronous, avoids the thief to make it and back sleeve phase separation outdoors through rotating a lens section of thick bamboo, has improved the factor of safety of solid wooden door.

Example one

Referring to fig. 1, a solid wood door safety structure includes a cat eye hole 16 with a solid inner wall 12, which is disposed on a solid wood door, a cat eye 1 which is disposed in the cat eye hole 16, and a first bearing 4 and a second bearing 5 which are disposed between the cat eye 1 and the solid inner wall 12 of the cat eye hole 16, wherein a lens barrel 2 is sleeved with a rear sleeve 3, the lens barrel 2 is inserted into the cat eye hole 16 of the solid wood door from an outdoor side of the solid wood door, the rear sleeve 3 is inserted into the cat eye hole 16 of the solid wood door from an indoor side of the solid wood door and sleeved with the lens barrel 2, in the prior art, the lens barrel 2 and the rear sleeve 3 are fixed on the solid wood door by matching the indoor side and the outdoor side of the solid wood door only in the above manner, the existing cat eye 1 is generally designed for a metal anti-theft door, the existing metal anti-theft door is usually of a hollow structure, and the solid metal door is too heavy, so that the hinge door shaft on the side face is difficult to support the weight of the solid metal door, and the traditional cat eye is installed without considering that large friction force exists between the cat eye and the wooden solid inner wall of the cat eye hole, so that a thief can easily separate the solid metal door from the rear sleeve through rotating the lens barrel on one side outdoors, and potential safety hazards exist.

Referring to fig. 2 and 3, the cat eye includes a lens barrel 2, a rear sleeve 3, a first bearing 4 and a second bearing 5, the lens barrel is a hollow sleeve with one end provided with a lens component, the rear sleeve is another hollow sleeve matched with the lens barrel 2, an external thread 6 is arranged on the lens barrel 2, an internal thread 7 is arranged on the rear sleeve 3, the lens barrel 2 is sleeved with the rear sleeve 3 through a thread, the first bearing 4 is sleeved with an inner ring of the second bearing 5 on the rear sleeve 3, the outer ring of the first bearing 4 and the second bearing 5 is fixed with a solid inner wall 12 of the cat eye hole 16, so that the rear sleeve 3 is driven to rotate synchronously with the lens barrel 2 when the lens barrel is rotated.

Preferably, this embodiment sets up rolling bearing between the back sleeve 3 through wooden solid inner wall 12 and cat eye 1 for form to rotate between the back sleeve 3 of cat eye 1 and the solid inner wall 12 and be connected, can drive back sleeve 3 and synchronous rotation with it when the thief rotates lens section of thick bamboo 2 outdoors, and then avoid the thief to demolish the cat eye and further break the potential safety hazard of lock through cat eye hole 16.

Preferably, the inner diameter of the cat-eye hole 16 is adapted to the outer diameter of the first bearing 4 and the second bearing 5, so that the bearings are mounted in the cat-eye hole 16.

Preferably, the outer rings of the first bearing 4 and the second bearing 5 are glued to the solid inner wall 12 of the cat-eye hole 16 to improve the fixing strength between the bearings and the solid inner wall 12.

Preferably, the outer diameter of the outer ring of the first bearing 4 and the second bearing 5 is equal to the inner diameter of the solid inner wall 12 of the cat-eye hole 16, and since the solid inner wall 12 of the wooden door is generally high in friction force, the first bearing 4 and the second bearing 5 can be fixed with the solid inner wall 12 without other fixing modes through dimensional matching.

Preferably, the inner diameter of the inner ring of the first bearing 4 and the inner diameter of the outer ring of the second bearing 5 are equal to the outer diameter of the outer ring of the rear sleeve, so that the first bearing 4 and the second bearing 5 can be fixed with the rear sleeve in an interference fit manner within the tolerance allowed range.

Referring to fig. 1, one end of the lens barrel 2 is provided with a lens assembly 8 and a first retainer ring 9. The lens component 8 is formed by matching optical components common to cat eyes in the prior art, and the embodiment is not specifically described. The first positioning ring 9 is used for being abutted against the door wall of the solid wood door close to the outdoor side when being installed, so that positioning is realized. The outer surface of the other end of the lens barrel 2 is provided with an external thread 6, and the external thread 6 is used for being matched with an internal thread 7 on the rear sleeve to realize threaded connection.

Preferably, the internal surface of back sleeve 3 one end is provided with internal thread 7, internal thread 7 cooperatees with the external screw thread 6 of a lens section of thick bamboo other end, the other end of back sleeve 3 is provided with second holding ring 10, second holding ring 10 is used for when the installation with solid wooden door be close to the door wall of indoor one side inconsistent, and realize the location.

Preferably, the first bearing 4 is disposed at an end of the rear sleeve 3 close to the second positioning ring 10, and the second bearing 5 is disposed at an end of the rear sleeve far from the second positioning ring 10. So that the first bearing 4 and the second bearing 5 form stable supports for the rear sleeve 3 at both ends thereof.

Preferably, a gap is left between the first bearing 4 and the second positioning ring 10 to prevent the second positioning ring 10 from making frictional contact with the side of the first bearing 4, which would affect the free rotation of the rear sleeve with the inner rings of the first bearing 4 and the second bearing 5.

Preferably, the outer diameters of the outer rings of the first bearing 4 and the second bearing 5 are smaller than the maximum outer diameter of the second positioning ring 10, so that the second positioning ring 10 can effectively abut against a side door wall of the wooden solid door close to the indoor space to form a positioning.

Example two

Referring to fig. 4-6, in this embodiment, based on the first embodiment, the cat eye structure is further modified to further increase the safety factor of the solid wood door. The method is characterized in that: the cat eye further comprises a first limiting groove 13, a second limiting groove 14 and a limiting strip 15.

Referring to fig. 4, a first limiting groove 13 is disposed on the lens barrel 2, a second limiting groove 14 is disposed on the rear sleeve 3, and the limiting strip 15 is disposed in the first limiting groove 13 and the second limiting groove 14 to limit the relative rotation between the lens barrel 2 and the rear sleeve 3.

Referring to fig. 5 and 6, one end of the lens barrel, which is far away from the first positioning ring 8, is provided with a first limiting groove 13, the first limiting groove 13 is specifically arranged on the external thread 6 on the outer surface of the lens barrel 2, and the length of the first limiting groove 13 is equal to that of the limiting strip, so that when the thickness of the solid wooden door is small, the limiting strip 15 can be completely inserted into the first limiting groove 13, and the situation that the limiting strip 15 is longer than the first limiting groove 13 and extends out to one side of the cat eye, which is close to the room, is avoided. The width of the first limiting groove 13 is adapted to the width of the limiting strip 15, so that the limiting strip 15 can be smoothly inserted into the first limiting groove 13 within the allowable range of tolerance. The height of the first limiting groove 13 is half of the height of the limiting strip 15, correspondingly, the height of the second limiting groove 14 arranged on the rear sleeve 3 also needs to be half of the height of the limiting strip 15, so that in the range allowed by tolerance, the limiting strip 15 can be smoothly inserted into the first limiting groove 13, the first limiting groove and the second limiting groove 14 are just blocked up and down, and relative rotation between the lens barrel 2 and the rear sleeve 3 is further limited.

Preferably, the one end that the back sleeve is close to second holding ring 10 is provided with second spacing groove 14, second spacing groove 14 specifically sets up on the internal thread 7 of back sleeve internal surface, the length of second spacing groove 14 equals with spacing 15's length for when the thickness of solid wooden door is less, spacing 15 can insert second spacing groove 14 completely, avoids spacing 15 longer than second spacing groove 14 and is close to the indoor condition that one side stretches out to the cat eye. The width of the second limiting groove 14 is adapted to the width of the limiting strip, so that the limiting strip 15 can be smoothly inserted into the second limiting groove within the allowable range of tolerance. The height of the second limit groove 14 is half of the height of the limit strip, correspondingly, the height of the first limit groove 13 arranged on the lens barrel 2 is also half of the height of the limit strip, so that the limit strip 15 can be smoothly inserted into the second limit groove 13 in a tolerance allowable range, the first limit groove 13 and the second limit groove 14 are just blocked up and down, and relative rotation between the lens barrel 2 and the rear sleeve 3 is further limited.

Preferably, the limiting strip 15 is a strip-shaped body with a cross section shape adapted to the maximum cross section of the combined hollow groove body of the first limiting groove 13 and the second limiting groove 14, in this embodiment, when the lens barrel 2 and the rear sleeve 3 are rotated to a state where the first limiting groove 13 is just opposite to the second limiting groove 14, the distance between the first positioning ring 9 and the second positioning ring 10 is different according to the thickness of the solid wood door, so that the first limiting groove 13 and the second limiting groove 14 can only ensure that the longitudinal central lines coincide, and the transverse central lines are dislocated. Therefore, in the case that a solid wooden door is particularly thick, the lens barrel and the rear sleeve are only rotated for several rings to be sleeved, and the distance between the first positioning ring 9 and the second positioning ring 10 is particularly large, so that if the spacing bar 15 is too short, the spacing bar can only be inserted into the second spacing groove 14 of the rear sleeve 2, and cannot be inserted into the first spacing groove 13, and the relative rotation of the lens barrel 2 and the rear sleeve 3 cannot be limited. Normally, the thickness of the solid wooden door is smaller than the sum of the lengths of the lens barrel and the rear sleeve of the cat's eye, but in order to avoid the occurrence of this situation as much as possible, in this embodiment, the length of the limiting strip 15 is equal to the length of the rear sleeve 3, so that the limiting strip 15 can be inserted into the first limiting groove 13 and the second limiting groove 14 simultaneously within the length range in which the lens barrel 2 and the rear sleeve 3 can be effectively screwed, and the effect of limiting the relative rotation of the lens barrel 2 and the rear sleeve 3 is achieved.

Therefore, the utility model discloses a lens section of thick bamboo and back sleeve are close to indoor one side and set up first spacing groove and second bar spacing groove, with lens section of thick bamboo and back sleeve relative rotation extremely first spacing groove and second bar spacing groove are put correspondingly, and then are close to indoor one side slip insert bar spacing at solid wooden door, and restrict lens section of thick bamboo and back sleeve relative rotation simultaneously for the cat eye of solid wooden door can only follow the indoor one side relative rotation lens section of thick bamboo and the back sleeve that can take spacing out and dismantle, has improved solid wooden door's factor of safety.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a solid wooden door safety structure which characterized in that: the structure comprises a cat eye hole with a solid inner wall arranged on a solid wooden door, a cat eye arranged in the cat eye hole, and a first bearing and a second bearing arranged between the cat eye and the solid inner wall of the cat eye hole, wherein the inner diameter of the cat eye hole is adapted to the outer diameter of the bearing, the cat eye comprises a lens barrel, a rear sleeve and a limit strip, wherein the lens barrel is a hollow sleeve with one end provided with a lens component, the rear sleeve is another hollow sleeve matched with the lens barrel, the lens barrel is provided with an external thread, the rear sleeve is provided with internal threads, the lens barrel is sleeved with the rear sleeve through the threads, the inner rings of the first bearing and the second bearing are sleeved on the rear sleeve, and the outer rings of the first bearing and the second bearing are fixed with the solid inner wall of the cat eye hole, so that the rear sleeve is driven to synchronously rotate with the lens barrel when the lens barrel is rotated; meanwhile, a first limiting groove is formed in the lens barrel, a second limiting groove is formed in the rear sleeve, and the limiting strip is arranged in the first limiting groove and the second limiting groove to limit the lens barrel and the rear sleeve to rotate relatively.

2. A solid wood door safety feature according to claim 1, wherein the outer races of said first and second bearings are glued to the solid inner wall of the cat-eye hole.

3. A solid wood door safety feature according to claim 1, wherein the outer diameter of said first and second bearing cups is equal to the inner diameter of the solid inner wall of the cat-eye hole.

4. A solid wood door safety feature according to claim 1, wherein the inner diameters of said first and second bearing rings are equal to the outer diameter of the outer ring of the rear sleeve.

5. The solid wood door security feature of claim 1, wherein the lens barrel has a lens assembly and a first retainer ring disposed at one end thereof, and an external thread disposed on an outer surface of the other end thereof.

6. A solid wood door safety feature according to claim 5, wherein said rear sleeve has a second retaining ring at one end and an internal thread on the inner surface of the other end.

7. A solid wood door safety feature according to claim 6, wherein said first bearing is disposed on the rear sleeve at an end adjacent the second locating ring.

8. A solid wood door safety feature according to claim 7, wherein said second bearing is disposed on the end of the rear sleeve distal from the second locating ring.

9. A solid wood door safety feature according to claim 8 wherein a gap is provided between said first bearing and said second retaining ring.

10. A solid wood door safety feature according to claim 9, wherein the outer diameters of the first and second bearings are less than the maximum outer diameter of the second locating ring.