CN213953278U - Lock body reversing clutch mechanism - Google Patents
Lock body reversing clutch mechanism Download PDFInfo
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- CN213953278U CN213953278U CN202021952592.4U CN202021952592U CN213953278U CN 213953278 U CN213953278 U CN 213953278U CN 202021952592 U CN202021952592 U CN 202021952592U CN 213953278 U CN213953278 U CN 213953278U
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- lock body
- rotating shaft
- clutch mechanism
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Abstract
The utility model discloses a lock body switching-over clutch mechanism, include: the clutch shaft is fixed in the lock body; and a handle shaft, the handle shaft comprising: the inner handle rotating shaft and the outer handle rotating shaft are respectively buckled at two ends of the clutch shaft through snap springs. According to the lock body reversing clutch mechanism, the inner handle rotating shaft and the outer handle rotating shaft are buckled on the clutch shaft through the snap springs, when reversing is needed, the inner handle rotating shaft and the outer handle rotating shaft are ejected out only by using a simple tool, then the installation positions are exchanged inside and outside, and the aim of adapting the opening direction of the door lock can be fulfilled by re-buckling the inner handle rotating shaft and the outer handle rotating shaft; the operation experience of installation operation workers can be better improved, the requirement on the construction environment is basically avoided, visual inspection can be carried out, the risk of product installation quality can be effectively avoided, and the stability of product functions is ensured.
Description
Technical Field
The utility model relates to an electronic lock technical field especially relates to a lock body reversing clutch mechanism.
Background
The existing electronic door lock has the problems that when the clutch reversing mechanism is incorrectly opened in the installation site, the replacement of the inner shaft and the outer shaft can be realized only by opening the lock body or specific parts and components by disassembling screws, the operation is complex, the environment of the installation site is simple and crude, the qualification inspection is difficult, and certain product quality hidden dangers exist.
Therefore, the prior art is still in need of further improvement.
Disclosure of Invention
In view of the above-mentioned prior art not enough, an object of the utility model is to provide a lock body switching-over clutch mechanism, aim at solving the separation and reunion switching-over mechanism of current electron theftproof lock body when commuting, operate complicated problem.
A lock body reversing clutch mechanism, comprising: the clutch shaft is fixed in the lock body; and
a handle shaft, the handle shaft comprising: the inner handle rotating shaft and the outer handle rotating shaft are respectively buckled at two ends of the clutch shaft through snap springs.
According to the lock body reversing clutch mechanism, the inner handle rotating shaft and the outer handle rotating shaft are buckled on the clutch shaft through the snap springs, when reversing is needed, the inner handle rotating shaft and the outer handle rotating shaft are ejected out only by using a simple tool, then the installation positions are exchanged inside and outside, and the aim of adapting the opening direction of the door lock can be fulfilled by re-buckling the inner handle rotating shaft and the outer handle rotating shaft; the operation experience of installation operation workers can be better improved, the requirement on the construction environment is basically avoided, visual inspection can be carried out, the risk of product installation quality can be effectively avoided, and the stability of product functions is ensured.
Optionally, the lock body reversing clutch mechanism further comprises:
the clutch pin assembly is movably connected with the clutch shaft; and
the shifting wheel assembly is fixed on the outer side face of the clutch shaft.
Optionally, the lock body reversing clutch mechanism, wherein the clutch pin assembly comprises: the clutch pin, the elastic piece and the shaft sleeve are sleeved on the outer surface of one end, close to the clutch shaft, of the clutch pin; the shaft sleeve is sleeved at one end of the clutch pin far away from the clutch shaft.
Optionally, the lock body reversing clutch mechanism, wherein the thumb wheel assembly comprises: the shifting gear teeth, the shifting gear spring and the shifting wheel column; the poking gear spring is used for abutting against the poking gear teeth; the shifting wheel column is used for fixing the shifting wheel teeth and the shifting tooth spring on the outer surface of the clutch shaft.
Optionally, the lock body reversing clutch mechanism, wherein the clutch shaft comprises:
a body;
a stepped hole is formed in the middle of the interior of the body, blocking parts are symmetrically arranged at two ends of the stepped hole respectively, and a first arc-shaped clamping groove is formed in the blocking parts in the axial direction;
the outer surface of the body is provided with a clutch pin assembly fixing seat for fixing the clutch pin assembly and a thumb wheel assembly fixing seat for fixing the thumb wheel assembly.
Optionally, the lock body reversing clutch mechanism, wherein the inner handle spindle comprises:
the outer side wall of the inner handle base is provided with a second arc-shaped clamping groove for accommodating the clamp spring; and
the first square counter bore and the square bulge are oppositely arranged at two ends of the base of the inner handle.
Optionally, the lock body reversing clutch mechanism, wherein the outer handle comprises:
an outer handle base; and
the second square counter bore and the cylindrical bulge are oppositely arranged at two ends of the base of the outer handle; the diameter of the cylindrical protrusion is smaller than the diameter of the outer handle base;
a circular shaft is arranged on the end face of one end of the cylindrical bulge, which is close to the clutch shaft; arc-shaped poking wings are symmetrically arranged on two sides of the circular shaft; the length of the circular arc-shaped poking wing is smaller than that of the circular shaft.
Optionally, the lock body reversing clutch mechanism further includes a positioning hole on an end surface of the outer handle base portion, the end surface being away from the clutch shaft.
Optionally, the lock body reversing clutch mechanism, wherein the clutch pin assembly holder includes: the seat body protrudes out of the outer side face of the clutch shaft, a step hole for containing the elastic piece is formed in the seat body, the clutch pin is applied with force in the direction towards the clutch shaft, and one end of the clutch pin penetrates through the step hole for containing the elastic piece and extends into the clutch shaft.
Optionally, the lock body reversing clutch mechanism, wherein the thumb wheel assembly fixing base includes: the inclined groove is used for accommodating the gear teeth and the hanging lug; the chute is communicated with the step hole.
Drawings
Fig. 1 is an exploded view of a lock body reversing clutch mechanism at a first perspective provided by an embodiment of the present invention;
fig. 2 is an exploded view of a lock body reversing clutch mechanism at a second perspective provided by an embodiment of the present invention;
fig. 3 is an exploded view of a lock body reversing clutch mechanism at a third viewing angle according to an embodiment of the present invention;
fig. 4 is an exploded view of a lock body reversing clutch mechanism at a fourth viewing angle according to an embodiment of the present invention.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
At present, clutch mechanisms of electronic door locks used by people are generally divided into an external handle clutch mechanism and an internal handle clutch mechanism, wherein the external handle clutch mechanism is arranged on a door outer panel, and the internal handle clutch mechanism is arranged inside a lock body. Compared with the common door lock, the electronic door lock adopting the two handle clutch mechanisms of the external type and the internal type has the advantages that the unlocking and locking convenience is greatly improved.
However, when the clutch reversing mechanism of the existing electronic door lock is incorrectly opened in an installation site, the replacement of the inner shaft and the outer shaft can be realized only by opening the lock body or specific parts through removing screws, and the operation is complex.
Based on this, the present invention provides a solution to the above technical problem, and the details thereof will be explained in the following embodiments.
Referring to fig. 1, as shown in the drawings, an embodiment of the present invention provides a lock body reversing clutch mechanism, including: clutch shaft 10 and handle spindle 20. The clutch shaft 10 is fixed inside the lock body (not shown); it will be readily understood that the clutch shaft 10 is immovable in the forward and rearward directions (the forward and rearward directions refer to the direction of the door, i.e., rearward in the door and forward outside the door, and the inner and outer handles referred to herein are both inward and outward of the door) after being fixed inside the lock body, but may be rotated clockwise or counterclockwise. The handle rotating shaft 20 comprises an inner handle rotating shaft 210 and an outer handle rotating shaft 220, and the inner handle rotating shaft 210 and the outer handle rotating shaft 220 are buckled at two ends of the clutch shaft 10 through clamp springs 30 respectively. The clamp spring 30 is designed to be a single-circle circular axis, and is provided with a certain opening space 300 for elastic deformation reserved space during disassembly and installation.
In this embodiment, since the inner handle rotating shaft 210 and the outer handle rotating shaft 220 are clamped on the clutch shaft 10 by the snap spring 30, they can be ejected out by a simple tool without disassembling or assembling screws, which facilitates the reversing operation of the mounting positions of the inner handle rotating shaft 210 and the outer handle rotating shaft 220.
Specifically, as shown in fig. 1 to 4, in this embodiment, the clutch shaft 10 includes a body 100, the body 100 is cylindrical, a stepped hole 110 is formed in the middle of the inside of the body 100, blocking portions 120 are symmetrically formed at two ends of the stepped hole 110, and the blocking portions 120 are configured to be engaged with the inner handle rotating shaft 210 or the outer handle rotating shaft 220 to block the entire shaft from extending into the inside of the body 100.
In this embodiment, the blocking portion 120 is four blocking portions and is uniformly distributed at the end of the stepped hole 110, and the four blocking portions are provided with a first arc-shaped clamping groove 130 in the axial direction, the depth of the first arc-shaped clamping groove 130 is smaller than the radius of an arc shape, the edge near the opening of the first arc-shaped clamping groove 130 is subjected to slope processing, and the slope processing is performed to facilitate installation with other matching parts (for example, a square protrusion is arranged on the inner handle rotating shaft described below). An outer circular shaft 140 (that is, accommodating cavities are formed at two ends of the body 100) and a boss 150 (for being engaged with other parts of the lock body) are symmetrically formed at an end of the body 100, and the blocking portion 120 is fixed on an inner wall of the outer circular shaft 140. A clutch pin assembly fixing seat 160 for fixing the clutch pin assembly and a thumb wheel assembly fixing seat 170 for fixing the thumb wheel assembly are further provided on the outer surface of the body 100.
In this embodiment, the clutch pin assembly holder 160 includes: the seat body 161 protrudes out of the outer side surface of the clutch shaft 10, a step hole 162 for accommodating the trapezoidal spring is formed in the seat body 161, the clutch pin 400 is applied with force in the direction towards the clutch shaft 10, and one end of the clutch pin 400 penetrates through the step hole 162 for accommodating the trapezoidal spring and extends into the clutch shaft 10. The thumb wheel assembly holder 170 includes: a chute 171 for receiving the gear teeth and a lug 172; the inclined groove 171 is communicated with the stepped hole 110.
In the present embodiment, the clutch pin assembly 40 includes: clutch pin 400, elastic member 410, and bushing 420; the elastic piece 410 is sleeved on the outer surface of one end of the clutch pin 400 close to the clutch shaft 10; the shaft sleeve 420 is sleeved on one end of the clutch pin 400 far away from the clutch shaft 10. The clutch pin 400 is cylindrical, a circular baffle 401 is fixed on the cylindrical pin body, and the diameter of a part of one side (close to the clutch shaft) of the circular baffle 401 is larger than that of the other side of the circular baffle. The elastic component 410 is a trapezoidal spiral spring, the small end of the elastic component is sleeved on the clutch pin 400, the clutch pin 400 and the trapezoidal spiral spring 410 are installed on the fixing seat 160 of the clutch pin component, when the trapezoidal spiral spring 410 is located between the circular retaining sheet 401 and the step of the step hole in the seat body, the other end (the part with the small diameter) of the clutch pin 400 extends out of the shaft sleeve, the circular end face of the clutch pin is stressed to compress the clutch pin spring, and when the external force disappears, the reaction force of the clutch pin spring pushes the circular step face of the clutch pin to enable the circular step face of the clutch pin to reset and be attached to the end face of the shaft. It is easy to understand that the bottom of the fixed seat is provided with a blocking part for preventing the trapezoidal spring from entering the stepped hole of the clutch shaft.
In one embodiment of this embodiment, the thumb wheel assembly 50 includes: a dial tooth 500, a dial spring 510, and a dial post 520; the poking gear spring 510 is used for abutting against the poking gear teeth 500; the dial column 520 is used for fixing the dial teeth 500 and the dial spring 510 on the outer surface of the clutch shaft 10. With reference to fig. 2, a slot 501 is formed in a side surface of the gear tooth 500, and two screw holes are formed in an end portion of the gear tooth, and the two screw holes are located on two sides of the slot 501; the poking gear spring 510 comprises two bent extension arms 511, when the poking gear spring is installed and used, the poking wheel column 520 sequentially penetrates through the hanging lug, the screw hole and the middle hole of the poking gear spring to fix the poking wheel gear on the clutch shaft, the poking gear spring 510 is hidden in the open slot 501 of the poking wheel gear by taking the poking wheel column 520 as the center, one bent extension arm is limited with the edge of the open slot, and the other bent extension arm is limited with the edge of the open hole on the side surface of the clutch shaft. The side arc surface of the shifting gear is jointed with the limit arc surface of the clutch shaft under the precompression force of the shifting gear spring.
In one embodiment of this embodiment, the inner handle spindle 210 includes: an inner handle base 211, a second arc-shaped catch 212, a first square counterbore (not shown), and a square protrusion 213. The second arc-shaped clamping groove 212 is arranged on the outer side wall of the base part of the handle and used for accommodating a clamp spring, and the depth of the second arc-shaped clamping groove 212 is larger than the radius of the arc. The first square counter bore and the square bulge 213 are oppositely arranged at two ends of the inner handle base 211, and the first square counter bore faces the outer side of the clutch shaft during installation. The wall thickness of the square bulge is the same as that of the first square counter bore. The square bulge is matched with the inner square hole of the clutch shaft to link the clutch shaft to perform synchronous rotary motion; meanwhile, a small circular through hole 215 is arranged in the middle of the square bulge and is matched with the circular shaft of the outer handle rotating shaft to conduct rotary guiding.
In one embodiment of this embodiment, the external handle rotation shaft 220 includes: an outer handle base 221, a second square counterbore 222 and a cylindrical protrusion 223. A third arc-shaped clamping groove 224 for accommodating the clamping spring is formed in the outer side wall of the outer handle base part 221; the second square counter bore 222 and the cylindrical protrusion 223 are oppositely disposed at both ends of the outer handle base 221. Wherein the diameter of the cylindrical projection 223 is smaller than the diameter of the outer handle base 221; when the rotary shaft is installed, the second square counter bore faces the outer side of the rotary shaft. The outer handle base is also provided with a positioning hole 227.
In this embodiment, a circular shaft 225 is further disposed in the middle of the cylindrical protrusion, and circular arc fins 226 are disposed on two sides of the circular shaft, so as to respectively realize an engagement linkage function with the clutch pin and the gear teeth when the outer handle rotating shaft rotates.
To sum up, the utility model provides a lock body switching-over clutching mechanism, include: the clutch shaft, the inner handle rotating shaft, the outer handle rotating shaft, the circular snap spring, the clutch pin spring, the shaft sleeve, the shifting gear teeth, the shifting gear spring and the shifting wheel column; the inner handle rotating shaft and the outer handle rotating shaft are respectively buckled in the containing cavities at the two ends of the clutch shaft through round snap springs. The inner handle rotating shaft and the clutch shaft are square shafts and are matched and synchronously linked with each other through holes, and the outer handle shaft and the clutch shaft are positioned through round shafts and holes and can move relatively; the clutch pin spring, the clutch pin and the shaft sleeve are sequentially arranged in a stepped hole in the side surface of the clutch shaft, and the port part of the hole in the side surface of the clutch shaft is mechanically pressed to be reduced and fixed with the shaft sleeve, so that the shaft sleeve is ensured not to fall out of the clutch shaft hole; the shifting wheel teeth and the shifting tooth spring are arranged in an opening on the other side surface of the clutch shaft, and the small end of the shifting wheel column sequentially penetrates through the clutch shaft, the shifting wheel teeth and the tooth spring through hole and is limited by the step surface of the shifting wheel column.
When the lock is unlocked, the end part of the clutch pin is stressed to compress the clutch pin spring so that the end part of the clutch pin is flush with the shaft sleeve, the outer handle rotating shaft is rotated according to the door opening direction to do clockwise or anticlockwise motion, the circular arc-shaped convex part on the outer handle rotating shaft is pressed with the clutch pin, the clutch shaft is linked to do synchronous rotating motion, and the clutch shaft drives corresponding parts to realize unlocking through the arrangement of the structure bosses at the two ends; when the clutch pin and the clutch pin spring are in a release state, the outer handle rotating shaft is in a free state, only one direction of clockwise or anticlockwise rotation of the outer handle rotating shaft can drive the clutch shaft to realize synchronous motion by the meshing of the outer handle rotating shaft and the dial wheel teeth, and the outer handle rotating shaft can compress the dial wheel teeth to swing outwards when rotating in the opposite direction, so that the idle rotation of the outer handle rotating shaft 360 is realized; the rotating shaft of the inner handle rotates anticlockwise or clockwise, and the clutch shaft is arranged to stir corresponding parts with the structure bosses at the two ends to move so as to realize unlocking and locking.
It is to be understood that the invention is not limited to the above-described embodiments, and that modifications and variations may be made by those skilled in the art in light of the above teachings, and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (10)
1. A lock body reversing clutch mechanism, comprising:
the clutch shaft is fixed in the lock body; and
a handle shaft, the handle shaft comprising: the inner handle rotating shaft and the outer handle rotating shaft are respectively buckled at two ends of the clutch shaft through snap springs.
2. The lock body reversing clutch mechanism of claim 1, further comprising:
the clutch pin assembly is movably connected with the clutch shaft; and
the shifting wheel assembly is fixed on the outer side face of the clutch shaft.
3. The lock body reversing clutch mechanism of claim 2, wherein the clutch pin assembly includes: the clutch pin, the elastic piece and the shaft sleeve are sleeved, the elastic piece is sleeved on the outer surface of one end, close to the clutch shaft, of the clutch pin, and the shaft sleeve is sleeved on one end, far away from the clutch shaft, of the clutch pin.
4. The lock body reversing clutch mechanism of claim 2, wherein the thumbwheel assembly comprises: the shifting gear teeth, the shifting gear spring and the shifting wheel column; the poking gear spring is used for abutting against the poking gear teeth; the shifting wheel column is used for fixing the shifting wheel teeth and the shifting tooth spring on the outer surface of the clutch shaft.
5. The lock body reversing clutch mechanism of claim 3, wherein the clutch shaft includes:
a body;
a stepped hole is formed in the middle of the interior of the body, blocking parts are symmetrically arranged at two ends of the stepped hole respectively, and a first arc-shaped clamping groove is formed in the blocking parts in the axial direction;
the outer surface of the body is provided with a clutch pin assembly fixing seat for fixing the clutch pin assembly and a thumb wheel assembly fixing seat for fixing the thumb wheel assembly.
6. The lock body reversing clutch mechanism of claim 1, wherein said inner handle spindle comprises:
the outer side wall of the inner handle base is provided with a second arc-shaped clamping groove for accommodating the clamp spring; and
the first square counter bore and the square bulge are oppositely arranged at two ends of the base of the inner handle.
7. The lock body reversing clutch mechanism of claim 1, wherein the outer handle spindle comprises:
an outer handle base; a third arc-shaped clamping groove for accommodating the clamp spring is formed in the outer side wall of the base part of the outer handle; and
the second square counter bore and the cylindrical bulge are oppositely arranged at two ends of the base of the outer handle; the diameter of the cylindrical protrusion is smaller than the diameter of the outer handle base;
a circular shaft is arranged on the end face of one end of the cylindrical bulge, which is close to the clutch shaft; arc-shaped poking wings are symmetrically arranged on two sides of the circular shaft; the length of the circular arc-shaped poking wing is smaller than that of the circular shaft.
8. The lock body reversing clutch mechanism of claim 7, wherein an end surface of the outer handle base portion distal from the end of the clutch shaft is further provided with a positioning hole.
9. The lock body reversing clutch mechanism of claim 5, wherein said clutch pin assembly holder includes: the seat body protrudes out of the outer side face of the clutch shaft, a step hole for containing the elastic piece is formed in the seat body, the clutch pin is applied with force in the direction towards the clutch shaft, and one end of the clutch pin penetrates through the step hole for containing the elastic piece and extends into the clutch shaft.
10. The lock body reversing clutch mechanism of claim 5, wherein the thumbwheel assembly mount comprises: the inclined groove is used for accommodating the gear teeth and the hanging lug; the chute is communicated with the step hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021952592.4U CN213953278U (en) | 2020-09-08 | 2020-09-08 | Lock body reversing clutch mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021952592.4U CN213953278U (en) | 2020-09-08 | 2020-09-08 | Lock body reversing clutch mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213953278U true CN213953278U (en) | 2021-08-13 |
Family
ID=77201170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021952592.4U Active CN213953278U (en) | 2020-09-08 | 2020-09-08 | Lock body reversing clutch mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213953278U (en) |
-
2020
- 2020-09-08 CN CN202021952592.4U patent/CN213953278U/en active Active
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