CN110748237B - Door lock handle prevents cat eye opening mechanism and has its lock - Google Patents
Door lock handle prevents cat eye opening mechanism and has its lock Download PDFInfo
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- CN110748237B CN110748237B CN201810813140.9A CN201810813140A CN110748237B CN 110748237 B CN110748237 B CN 110748237B CN 201810813140 A CN201810813140 A CN 201810813140A CN 110748237 B CN110748237 B CN 110748237B
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- cat eye
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B3/00—Fastening knobs or handles to lock or latch parts
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B13/00—Devices preventing the key or the handle or both from being used
- E05B13/005—Disconnecting the handle
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- Lock And Its Accessories (AREA)
Abstract
The invention discloses a door lock handle cat eye opening preventing mechanism and a door lock with the same, wherein the mechanism comprises a handle assembly, a square rod assembly and a cat eye clutch assembly, the handle assembly comprises a handle shell, the square rod assembly is inserted in the handle shell, the cat eye clutch assembly comprises a cat eye clutch plate and a cat eye clutch pressing piece, and the cat eye clutch pressing piece is provided with a pressing shell and a pressing bulge; the pressing bulge moves towards the handle shell, and the pressing shell drives the cat eye clutch plate to be jointed with the square rod assembly; or the pressing bulge extends out of the handle shell from the handle shell, the pressing shell of the cat eye clutch pressing piece releases the cat eye clutch plate, and the cat eye clutch plate is disengaged from the square rod assembly. According to the anti-peep door, the cat eye clutch assembly is additionally arranged, so that a user can switch the on-off of the cat eye prevention function at will, and the door can be unlocked only by pressing the pressing bulge while pressing the handle assembly when the door needs to be opened, so that the door opening difficulty is increased, the indoor handle is effectively prevented from being pulled through the cat eye hole outdoors, and the use safety of the anti-peep door is improved.
Description
Technical Field
The invention relates to the technical field of intelligent security products, in particular to a door lock handle anti-peep hole opening mechanism and a door lock with the same.
Background
All there is the cat eye in the burglary-resisting door in the market, conveniently observes outdoor condition through it, and lawless persons in case destroy the cat eye, penetrates tools such as iron wire through the cat eye hole and catches on door inner handle, just at this moment can open the personal and property safety loss that leads to the user with the door fast.
On the other hand, the existing cat eye opening preventing mechanism on the market is basically arranged on the front side of the handle, when an indoor user opens the door, the user firstly needs to press the convex cylindrical button on the handle with a thumb, and simultaneously presses down the handle to open the door through two actions, so that the added additional action not only reduces the rapidness and convenience of opening the door, but also destroys the integral attractiveness of the handle.
It is therefore desirable to have a solution that overcomes or at least alleviates at least one of the above-mentioned drawbacks of the prior art.
Disclosure of Invention
It is an object of the present invention to provide a door lock handle anti-peep hole opening mechanism that overcomes or at least alleviates at least one of the above-mentioned disadvantages of the prior art.
In order to achieve the above object, the present invention provides a door lock handle anti-peep hole opening mechanism, which comprises a handle assembly, a square rod assembly and a peep hole clutch assembly, wherein: the handle assembly comprises a handle shell with a cavity, at least part of the square bar assembly is inserted into the cavity of the handle shell, the cat eye clutch assembly comprises a cat eye clutch plate and a cat eye clutch pressing piece, the cat eye clutch plate is driven by the cat eye clutch pressing piece, the cat eye clutch pressing piece is provided with a pressing shell and a pressing bulge arranged on the outer side of the pressing shell, and the pressing shell is accommodated in the cavity of the handle shell; the pressing bulge moves towards the cavity of the handle shell, and the pressing shell drives the cat eye clutch plate to be engaged with the square rod assembly, so that the handle assembly and the square rod assembly are connected into a whole; or the pressing bulge extends out of the cavity of the handle shell from the cavity of the handle shell, the pressing shell of the cat eye clutch pressing piece releases the cat eye clutch plate, and the cat eye clutch plate is separated from the square rod assembly and independent of the square rod assembly.
Further, the handle shell comprises a rear handle and a rear handle cover, the rear handle cover is buckled on the inner side of the rear handle to form the cavity, and the rear handle cover is provided with a first through hole for the pressing protrusion to penetrate out of the cavity.
Furthermore, the cat eye clutch assembly also comprises a cat eye clutch push plate, the cat eye clutch push plate is arranged between the rear handle and the cat eye clutch pressing piece, and an inclined plane bulge is arranged at one end, close to the square rod assembly, of the cat eye clutch push plate; the pressing bulge is arranged at one end, close to the square rod assembly, of the pressing shell, a rolling assembly is arranged on one side, opposite to the pressing bulge, of the pressing shell, and the rolling assembly is in rolling fit with the arc-shaped concave surface of the inclined plane bulge, so that the pressing bulge extends out of the rear handle cover from the first through hole or is retracted into the cavity of the handle shell from the outside and is flush with the rear handle cover; the end of the pressing shell far away from the square rod assembly is hinged to the rear handle.
Furthermore, a rolling groove structure is arranged at one end, far away from the square rod assembly, of the rear handle, a cat eye clutch pressing piece shaft is arranged at one end, far away from the square rod assembly, of the pressing shell, and the cat eye clutch pressing piece shaft is hinged to the inside of the rolling groove structure, so that the cat eye clutch pressing piece can rotate around the rear handle through the cat eye clutch pressing piece shaft.
Further, the rolling assembly comprises a bearing rivet and a rolling bearing, the rolling bearing is riveted with the cat eye clutch pressing piece into a whole through the bearing rivet, and the rolling bearing is in rolling fit with the arc concave surface of the inclined plane protrusion.
Furthermore, the cat eye clutch plate is U-shaped and is provided with a first bulge and a second bulge, the first bulge is matched and fixedly connected with the groove of the cat eye clutch push plate, and the second bulge is jointed with the square rod assembly or separated from the square rod assembly along with the movement of the cat eye clutch push plate.
Further, the square bar assembly comprises a square bar and a cat-eye shaft, wherein: the cat eye shaft is columnar, one end of the cat eye shaft is provided with a square blind hole for the square rod to be inserted into, and the other end of the cat eye shaft is provided with a round blind hole which can be rotatably connected with the rear handle; the circumference encircles the outside of circular blind hole is removed partial lateral wall, forms the semicircular gap, the protruding butt of back handle arrives a plane of semicircular gap, the second arch of cat eye clutch plate can be joined to another plane of semicircular gap.
Furthermore, the cat eye clutch component also comprises a cat eye limiting shifting piece, the cat eye limiting shifting piece is T-shaped, the transverse sliding part can be connected to the long through hole of the rear handle cover in a transverse sliding mode, the vertical connecting rod part extends through the long through hole of the cat eye clutch pressing piece, the vertical connecting rod part is connected with a cat eye clutch shifting piece, and the transverse sliding part is shifted in the transverse direction to enable the cat eye clutch shifting piece to be pressed onto the cat eye clutch pressing piece when the pressing bulge is pressed down to be flush with the rear handle cover or separated from the cat eye clutch pressing piece.
Furthermore, cat eye separation and reunion subassembly still includes cat eye separation and reunion push pedal pressure spring, cat eye separation and reunion push pedal pressure spring is located cat eye separation and reunion casting die with between the handle casing, for press the arch to stretch out to press the casing outside and provide the elastic force.
The invention also provides a door lock, which is characterized by comprising the door lock handle cat eye opening preventing mechanism.
According to the anti-peep door, the cat eye clutch assembly is additionally arranged, so that a user can switch the on-off of the cat eye prevention function at will, and the door can be unlocked only by pressing the handle assembly and the pressing protrusion 6.5 when the door needs to be opened, so that the door opening difficulty is increased, the indoor handle is effectively prevented from being pulled through the cat eye hole outdoors, and the use safety of the anti-peep door is improved.
Drawings
FIG. 1 is a schematic view of a door lock handle anti-peep hole opening mechanism provided by the present invention in a first state;
FIG. 2 is a schematic view of a second state of the door lock handle anti-peep hole opening mechanism provided by the present invention;
FIG. 3 is an exploded view of the door lock handle anti-peep hole opening mechanism of FIGS. 1 and 2;
FIG. 4 is a schematic view of another perspective of the door lock handle anti-peep hole opening mechanism of FIG. 3;
FIGS. 5 to 7 are schematic structural views of a cat eye clutch presser in the door lock handle cat eye opening prevention mechanism shown in FIG. 3;
FIG. 8 is a schematic structural view of a cat eye clutch push plate in the anti-cat eye opening mechanism of the door lock handle shown in FIG. 3;
FIG. 9 is a schematic view of the rear handle of the door lock handle anti-peep hole opening mechanism of FIG. 3;
FIG. 10 is an assembled view of the rear handle and the peep hole clutch push plate in the door lock handle peep hole preventing mechanism shown in FIG. 3;
FIG. 11 is a schematic structural view of the cat's eye clutch plate in the anti-cat's eye opening mechanism of the door lock handle of FIG. 3;
FIG. 12 is a schematic view of the construction of the cat-eye shaft in the door lock handle anti-cat-eye opening mechanism of FIG. 3;
FIGS. 13 and 14 are schematic structural views of a rear handle cover in the door lock handle anti-peep hole opening mechanism of FIG. 3;
FIG. 15 is a schematic view of the engagement of the peep hole shaft assembly with the handle assembly in the peep hole preventing mechanism of the door lock handle of FIG. 3;
FIG. 16 is a schematic view of the door lock handle anti-peep hole opening mechanism of FIG. 3 showing the peep hole stop dial in an unlocked state;
fig. 17 is a schematic view showing a closed state of the peep hole preventing tap in the peep hole preventing mechanism of the door lock handle shown in fig. 3.
Detailed Description
In the drawings, the same or similar reference numerals are used to denote the same or similar elements or elements having the same or similar functions. Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
In the description of the present invention, the terms "central", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore, should not be construed as limiting the scope of the present invention.
As shown in fig. 1, fig. 2 and fig. 5 to fig. 7, the door lock handle cat eye opening preventing mechanism provided by the present embodiment includes a handle assembly, a square rod assembly and a cat eye clutch assembly, wherein:
the handle assembly comprises a handle shell with a cavity, at least part of the square rod assembly is inserted into the cavity of the handle shell, and the cat eye clutch assembly comprises a cat eye clutch plate 1 and a cat eye clutch pressing piece 6.
Cat eye clutch plate 1 is followed from cat eye separation and reunion casting die 6, and cat eye separation and reunion casting die 6 has and presses casing 6.6 and locates the protruding 6.5 of pressing the casing 6.6 outside, presses casing 6.6 holding in the cavity of handle casing. Fig. 1 shows that the cat eye clutch pressing piece 6 is in an unpressed free state, when the pressing protrusion 6.5 is pressed, the pressing protrusion 6.5 moves towards the cavity of the handle housing, the pressing housing 6.6 of the cat eye clutch pressing piece 6 drives the cat eye clutch piece 1 to be engaged with the square rod assembly, so that the handle assembly and the square rod assembly are connected into a whole (as shown in fig. 2), and at this time, the indoor door opening unlocking can be realized by pressing the handle 5. Releasing the cat eye clutch pressing piece 6 to press, wherein the pressing bulge 6.5 extends out of the cavity of the handle shell from the cavity of the handle shell, the cat eye clutch piece 1 is released by the pressing shell 6.6 of the cat eye clutch pressing piece 6, the cat eye clutch piece 1 is separated from the square rod assembly, and the two are independent.
This embodiment is through addding cat eye clutch module, and the user can switch at will and prevent that the cat eye function is opened and close, presses down protruding 6.5 when must pushing down the handle subassembly like this when opening the door, just can open the door the unblock, has consequently increased the degree of difficulty that opens the door, effectively avoids outdoor pulling indoor handle through the cat eye hole, has improved burglary-resisting door safety in utilization.
As shown in fig. 3 and 4, in one embodiment, the handle housing includes a rear handle 5 and a rear handle cover 4, and the rear handle cover 4 is fastened inside the rear handle 5 to form the cavity. The term "inner side" refers to the side of the handle that is close to the user and the side that is far from the user when the user uses the handle normally. The rear handle cover 4 is provided with a first through hole 4.1 through which the pressing protrusion 6.5 penetrates out of the cavity. The user is when holding the handle, and the thumb is placed on back handle cover 4 usually, and this embodiment is through pressing protruding 6.5 setting at the back of handle, and the user hand is held on hand, can implement to press protruding 6.5 and press, consequently, this embodiment realizes simultaneously "one holds the high-efficient smooth and easy user experience who unblanks" guaranteeing under the prerequisite of outward appearance wholeness.
As shown in fig. 8 and 10, in an embodiment, the cat eye clutch assembly further includes a cat eye clutch push plate 7, the cat eye clutch push plate 7 is accommodated in the cavity of the handle housing and is disposed between the rear handle 5 and the cat eye clutch pressing member 6, and an inclined protrusion 7.2 is disposed at one end of the outer side surface of the cat eye clutch push plate 7, which is close to the square rod assembly. As shown in fig. 5 to 7, the plate body of the pressing shell 6.6 is in a long strip shape, the pressing shell 6.6 is formed by extending the edge of the plate body towards the inner side of the plate body along the normal direction of the plate body, the pressing protrusion 6.5 is arranged at one end of the pressing shell 6.6 close to the square rod assembly, a rolling assembly is arranged at one side of the pressing shell 6.6 different from the pressing protrusion 6.5, and the rolling assembly is in rolling fit with the arc concave surface of the inclined protrusion 7.2, so that the pressing protrusion 6.5 extends out of the rear handle cover 4 from the first through hole 4.1, or is withdrawn from the outside into the cavity of the handle shell and is flush with the rear handle cover 4. The end of the press housing 6.6 remote from the square bar assembly is hinged to the rear handle 5.
Through this embodiment, press down cat eye separation and reunion casting die 6 press the arch 6.5, the subassembly that rolls at cat eye separation and reunion push pedal 7's inclined plane arch 7.2, and cat eye separation and reunion push pedal 7 slides along 5 grooves in the back under the effect of inclined plane weight, drives cat eye clutch plate 1 and moves together. When the cat eye clutch pressing piece 6 is pressed to the bottom, the cat eye clutch piece 1 is engaged with the square rod assembly, the rear handle 5, the cat eye shaft 3 and the square rod 10 are connected into a whole (as shown in fig. 2), and the indoor door opening unlocking can be realized by pressing the rear handle 5.
Referring to fig. 5 and 9, in one embodiment, a rolling groove structure 5.1 is provided at an end of the inner side surface of the rear handle 5 away from the square bar assembly, a cat eye clutch pressing member shaft 12 is provided at an end of the pressing housing 6.6 away from the square bar assembly, and the cat eye clutch pressing member shaft 12 is hinged in the rolling groove structure 5.1, so that the cat eye clutch pressing member 6 can rotate around the rear handle 5 through the cat eye clutch pressing member shaft 12. The rolling groove structure 5.1 is equivalent to a lever fulcrum of the pressing shell 6.6, and can press the pressing bulge 6.5 by using small pressing force.
In one embodiment, as shown in fig. 5, the rolling assembly comprises a bearing rivet 17 and a rolling bearing 18, the rolling bearing 18 is riveted with the cat-eye clutch pressing piece 6 into a whole through the bearing rivet 17, and the rolling bearing 18 is in rolling fit with the arc concave surface of the inclined plane bulge 7.2. Cat eye separation and reunion casting die 6 articulates in 5.1 departments through cat eye separation and reunion casting die axle 12 and back handle 5, and cat eye separation and reunion casting die 6 can rotate around cat eye separation and reunion casting die axle 12.
Through this embodiment, press down cat eye separation and reunion casting die 6 press protruding 6.5, antifriction bearing 18 rolls at cat eye separation and reunion push pedal 7's the protruding 7.2 rolls on inclined plane, and cat eye separation and reunion push pedal 7 slides along 5 grooves in the back under the effect of inclined plane weight, drives cat eye clutch plate 1 and moves together. When the cat eye clutch pressing piece 6 is pressed to the bottom, the cat eye clutch piece 1 is engaged with the square rod assembly, the rear handle 5, the cat eye shaft 3 and the square rod 10 are connected into a whole (as shown in fig. 2), and the indoor door opening unlocking can be realized by pressing the rear handle 5.
As shown in fig. 11, in one embodiment, the cat-eye clutch plate 1 is U-shaped and has a first protrusion 1.1 and a second protrusion 1.2, the first protrusion 1.1 is fixedly connected with the slot 7.1 of the cat-eye clutch push plate 7 in a matching manner, and the second protrusion 1.2 is engaged with or disengaged from the square bar assembly along with the movement of the cat-eye clutch push plate 7.
As shown in fig. 8, in one embodiment, the cat eye clutch pushing plate 7 is provided with an elongated through slot 7.3, the inner side surface of the rear handle 5 is provided with a guide post 5.2, and the guide post 5.2 passes through the elongated through slot 7.3, so that the cat eye clutch pushing plate can slide left and right along the guide post 5.2 of the rear handle 5.
As shown in fig. 1, 12 and 15, in one embodiment, the square bar assembly comprises a square bar 10 and a cat-eye shaft 3, wherein: the cat eye shaft 3 is columnar, a square blind hole for the square rod 10 to insert is formed in one end of the cat eye shaft, and the square rod 10 is inserted into the square blind hole of the cat eye shaft 3, so that the square rod 10 is linked with the cat eye shaft 3. The other end of the cat eye shaft 3 is provided with the round blind hole 3.2 which can be rotationally connected with the rear handle 5. Part of the side wall of the outer part of the circular blind hole 3.2 is removed in the circumferential direction to form a semi-annular gap 3.1. The semi-annular indentation 3.1 has two flat surfaces in the axial direction, the projection 5.4 of the rear handle 5 abuts one flat surface of the semi-annular indentation 3.1, and the second projection 1.2 of the cat's eye clutch plate 1 can engage the other flat surface of the semi-annular indentation 3.1. The back handle 5 is lifted up (in the Z direction shown in fig. 15), the protrusion 5.4 of the back handle 5 is clamped into the surface 3.1 of the cat eye shaft 3, and at this time, the back handle 5, the cat eye shaft 3 and the square rod 10 are connected into a whole, so that the back handle 5 can be locked at any time.
As shown in fig. 7, 13, 14, 16 and 17, in one embodiment, the cat-eye clutch assembly further includes a cat-eye limiting dial 8, the cat-eye limiting dial 8 is T-shaped, the transverse sliding portion 8.1 is connected to the elongated through hole 4.2 of the rear handle cover 4 in a transverse sliding manner, and the vertical connecting rod portion 8.2 extends through the elongated through hole 6.7 of the cat-eye clutch pressing portion 6 in a transverse direction. Vertical connecting rod portion 8.2 is connected with cat eye separation and reunion plectrum 2, cat eye separation and reunion plectrum 2 place plane is horizontal. The length from the cat eye clutch plectrum 2 to the transverse sliding part 8.1 along the direction of the vertical connecting rod part 8.2 is less than the length from the cat eye clutch pressing part 6 to the transverse sliding part 8.1 along the direction of the vertical connecting rod part 8.2 when the pressing bulge 6.5 is pressed to be flush with the rear handle cover 4, and the cat eye clutch plectrum 2 can be pressed onto the cat eye clutch pressing part 6 when the pressing bulge 6.5 is pressed to be flush with the rear handle cover 4 or separated from the cat eye clutch pressing part 6 by shifting the transverse sliding part 8.1 along the transverse direction. The "lateral direction" is a direction in which the length of the handle housing extends, i.e., the X direction shown in the drawing. The "vertical direction" is a direction in which the pressing projection 6.5 is pressed or ejected, i.e., the Y direction shown in the figure.
When a user wants to close the cat eye prevention function under a specific condition, the cat eye clutch pressing piece 6 is pressed to the bottom, the cat eye limiting shifting piece 8 is shifted to the opposite direction of the unlocking mark (as shown in fig. 3), the end face of the cat eye clutch shifting piece 2 (as shown in fig. 13) fixedly connected with the cat eye clutch pressing piece is clamped into the plane 6.3 of the cat eye clutch pressing piece 6, the cat eye clutch pressing piece 6 is limited to be in a pressed state, so that the cat eye prevention function is closed, and the handle can be opened to unlock by pressing the handle at any time.
As shown in fig. 10, in an embodiment, the cat-eye clutch assembly further includes a cat-eye clutch push plate compression spring 11, and the cat-eye clutch push plate compression spring 11 is disposed between the cat-eye clutch pressing member 6 and the handle housing, and provides an elastic force for the pressing protrusion 6.5 to extend to the outside of the pressing housing 6.6. And releasing the cat eye clutch pressing piece 6 to press, and returning the cat eye clutch pressing piece 6 to a free state under the acting force of the cat eye clutch push plate pressure spring 11.
The above-mentioned action can be reliably guaranteed and the biggest premise is that the square rod resetting piece 19 exists, the square rod resetting piece 19 is always in the horizontal position under the bidirectional acting force of the handle torsion spring, the handle is guaranteed to be capable of returning to the initial horizontal state no matter the handle is lifted or pressed downwards and released, and therefore the cat eye clutch plate 1 is guaranteed to be clamped into the cat eye shaft 3 every next lifting or pressing.
The invention also provides a door lock, which comprises the door lock handle cat eye opening preventing mechanism.
Finally, it should be pointed out that: the above examples are only for illustrating the technical solutions of the present invention, and are not limited thereto. Those of ordinary skill in the art will understand that: modifications can be made to the technical solutions described in the foregoing embodiments, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. The utility model provides a door lock handle prevents cat eye opening mechanism which characterized in that, includes handle subassembly, square bar subassembly and cat eye clutch module, wherein: the handle assembly comprises a handle shell with a cavity, at least part of the square bar assembly is inserted into the cavity of the handle shell, the cat eye clutch assembly comprises a cat eye clutch plate (1) and a cat eye clutch pressing piece (6), the cat eye clutch plate (1) is driven by the cat eye clutch pressing piece (6), the cat eye clutch pressing piece (6) is provided with a pressing shell (6.6) and a pressing bulge (6.5) arranged on the outer side of the pressing shell (6.6), and the pressing shell (6.6) is accommodated in the cavity of the handle shell; the pressing bulge (6.5) moves towards the cavity of the handle shell, and the pressing shell (6.6) drives the cat eye clutch plate (1) to be jointed with the square rod assembly, so that the handle assembly and the square rod assembly are connected into a whole; or the pressing bulge (6.5) extends out of the cavity of the handle shell from the cavity of the handle shell, the pressing shell (6.6) of the cat eye clutch pressing piece (6) releases the cat eye clutch plate (1), the cat eye clutch plate (1) is separated from the square rod component, and the cat eye clutch plate and the square rod component are independent,
the handle shell comprises a rear handle (5) and a rear handle cover (4), the rear handle cover (4) is buckled on the inner side of the rear handle (5) to form the cavity, the rear handle cover (4) is provided with a first through hole (4.1) for the pressing bulge (6.5) to penetrate out of the cavity,
the cat eye clutch assembly further comprises a cat eye limiting shifting piece (8), the cat eye limiting shifting piece (8) is T-shaped, a transverse sliding portion (8.1) can be connected to a long through hole (4.2) of the rear handle cover (4) in a transverse sliding mode, a vertical connecting rod portion (8.2) extends through a long through hole (6.7) of the cat eye clutch pressing piece (6), the vertical connecting rod portion (8.2) is connected with a cat eye clutch shifting piece (2), and the cat eye clutch shifting piece (2) can be pressed onto the cat eye clutch pressing piece (6) when the transverse sliding portion (8.1) is shifted in the transverse direction to enable the cat eye clutch shifting piece (2) to be pressed down to be flush with the rear handle cover (4) or separated from the cat eye clutch pressing piece (6).
2. The door lock handle cat eye opening prevention mechanism according to claim 1, wherein the cat eye clutch assembly further comprises a cat eye clutch push plate (7), the cat eye clutch push plate (7) is arranged between the rear handle (5) and the cat eye clutch pressing piece (6), and one end of the cat eye clutch push plate (7) close to the square bar assembly is provided with a slope protrusion (7.2);
the pressing bulge (6.5) is arranged at one end, close to the square rod assembly, of the pressing shell (6.6), a rolling assembly is arranged on one side, opposite to the pressing bulge (6.5), of the pressing shell (6.6), and the rolling assembly is in rolling fit with the arc concave surface of the inclined plane bulge (7.2), so that the pressing bulge (6.5) extends out of the rear handle cover (4) from the first through hole (4.1), or is withdrawn into a cavity of the handle shell from the outside and is flush with the rear handle cover (4);
the end of the pressing shell (6.6) far away from the square rod component is hinged to the rear handle (5).
3. A door lock handle anti-peep hole opening mechanism according to claim 2, characterized in that the end of the rear handle (5) away from the square bar assembly is provided with a roll groove structure (5.1), the end of the pressing housing (6.6) away from the square bar assembly is provided with a peep hole clutch presser shaft (12), the peep hole clutch presser shaft (12) is hinged in the roll groove structure (5.1), so that the peep hole clutch presser (6) can rotate around the rear handle (5) through the peep hole clutch presser shaft (12).
4. The door lock handle cat eye opening prevention mechanism according to claim 2, characterized in that the rolling assembly comprises a bearing rivet (17) and a rolling bearing (18), the rolling bearing (18) is riveted with the cat eye clutch presser (6) into a whole through the bearing rivet (17), and the rolling bearing (18) is in rolling fit with the arc concave surface of the inclined plane protrusion (7.2).
5. The door lock handle cat eye opening prevention mechanism according to claim 2, wherein the cat eye clutch plate (1) is U-shaped and has a first protrusion (1.1) and a second protrusion (1.2), the first protrusion (1.1) is fixedly connected with the slot (7.1) of the cat eye clutch push plate (7), and the second protrusion (1.2) is engaged with or disengaged from the square bar assembly along with the movement of the cat eye clutch push plate (7).
6. The door lock handle anti-peep hole opening mechanism according to any of claims 1-5, characterized in that the square bar assembly comprises a square bar (10) and a peep hole shaft (3), wherein: the cat eye shaft (3) is columnar, one end of the cat eye shaft is provided with a square blind hole for the square rod (10) to insert, and the other end of the cat eye shaft is provided with a round blind hole (3.2) which can be rotatably connected with the rear handle (5); the periphery surrounds the outside of circular blind hole (3.2) and removes partial lateral wall, forms semi-annular breach (3.1), protruding (5.4) butt of back handle (5) are to a plane of semi-annular breach (3.1), second arch (1.2) of cat eye clutch plate (1) can be joined to another plane of semi-annular breach (3.1).
7. The door lock handle cat eye opening prevention mechanism according to claim 1, wherein the cat eye clutch assembly further comprises a cat eye clutch push plate compression spring (11), the cat eye clutch push plate compression spring (11) is arranged between the cat eye clutch pressing member (6) and the handle housing, and provides an elastic force for the pressing protrusion (6.5) to extend to the outside of the pressing housing (6.6).
8. A door lock characterized in that it comprises a door lock handle anti-peep hole opening mechanism as claimed in any one of claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810813140.9A CN110748237B (en) | 2018-07-23 | 2018-07-23 | Door lock handle prevents cat eye opening mechanism and has its lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810813140.9A CN110748237B (en) | 2018-07-23 | 2018-07-23 | Door lock handle prevents cat eye opening mechanism and has its lock |
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| Publication Number | Publication Date |
|---|---|
| CN110748237A CN110748237A (en) | 2020-02-04 |
| CN110748237B true CN110748237B (en) | 2020-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810813140.9A Active CN110748237B (en) | 2018-07-23 | 2018-07-23 | Door lock handle prevents cat eye opening mechanism and has its lock |
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| CN206397269U (en) * | 2017-01-04 | 2017-08-11 | 中山市安思曼智能科技有限公司 | The clutch being placed in door lock handle and the door lock handle including it |
| CN106930605A (en) * | 2017-03-30 | 2017-07-07 | 浙江王力门业有限公司 | Handle mechanism and the handle lock with the mechanism that a kind of anti-opal is opened |
| CN107217915A (en) * | 2017-08-09 | 2017-09-29 | 黄冬春 | A kind of intelligent fingerprint lock hand handle |
| CN207315011U (en) * | 2017-08-28 | 2018-05-04 | 中山市睿鑫锁业有限公司 | A kind of anti-opal opener |
-
2018
- 2018-07-23 CN CN201810813140.9A patent/CN110748237B/en active Active
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| CN110748237A (en) | 2020-02-04 |
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