Door lock
Technical field
The present invention relates to field of lockset, in particular to a kind of door lock.
Background technology
Due to the difference in enabling direction, door lock usually have commutation design so that the handle of door lock open the door when will not and door
Frame interferes.In the prior art, when commutating to the handle of door lock, it usually needs professional maintenance mans lock on the door to tear open
Commutation could be realized by unloading, time-consuming and laborious, and user is difficult voluntarily to commutate to door lock handle.
Invention content
At least one in order to solve the above-mentioned technical problem, the purpose of the present invention is to provide a kind of door locks.
To achieve the above object, the embodiment provides a kind of door locks, including:Door lock casing, on Door lock casing
Offer through-hole;Handle is set to the side of Door lock casing, and the connecting bushing of handle is set in through-hole;Steering assembly, with handle
The opposite other side for being set to Door lock casing, and steering assembly is sequentially connected with handle, steering assembly is equipped with multiple positioning shrinkage pools;
Locating piece is set to the homonymy of Door lock casing with steering assembly, and locating piece is adapted with positioning shrinkage pool, fixed to be stretched into locating piece
When the shrinkage pool of position, the rotation of steering assembly is limited.
The door lock that the above embodiment of the present invention provides realizes that steering assembly exists by positioning the cooperation of shrinkage pool and locating piece
The fixation on multiple positions upwards of handle revolution can realize that handle revolves by adjusting the positioning shrinkage pool coordinated with locating piece
The commutation of handle is realized in the adjustment that indexing is set, handle commutation is convenient, and user is voluntarily adjusted.
Specifically, when steering assembly is located at any one position, locating piece stretches into positioning shrinkage pool, at this time steering assembly
Degree of freedom in the circumferential is limited by locating piece, and handle is rotated relative to steering assembly to open or close door lock, realizes door lock
Normal function of locking a door.When needing to commutate to handle, locating piece removes positioning shrinkage pool, when handle rotates at this time, turns to
Component is also rotated with handle together, and when steering assembly rotates to predeterminated position, locating piece stretches into positioning shrinkage pool, so that steering group
Part is completed to lock in the circumferential, and the initial position of handle rotation at this time changes, and handle commutation is completed.It is understood that each
It positions shrinkage pool and corresponds to a predeterminated position, therefore the position of positioning shrinkage pool can be set according to user's use habit.By this implementation
The scheme of example, the position that need to only adjust locating piece can be realized the commutation of handle, dismantled without locking on the door, handle commutation letter
Folk prescription is just.
Wherein it is preferred to which positioning shrinkage pool is uniformly distributed circumferentially.
In addition, the door lock in above-described embodiment provided by the invention can also have following additional technical feature:
In above-described embodiment, it is preferable that steering assembly specifically includes:Steering pedestal in a ring, positioning shrinkage pool, which is set to, to be turned
To on pedestal;Protrusion is set to along the circumferential direction for turning to pedestal between two adjacent positioning shrinkage pools, and protrusion is by steering pedestal
Outer wall outwardly protrude.
In the present solution, positioning shrinkage pool is set to and turns on pedestal, locating piece stretches into after positioning shrinkage pool by turning to pedestal
The limitation of degree of freedom in the circumferential realizes the limitation to steering assembly degree of freedom in the circumferential, between locating piece and positioning shrinkage pool
Cooperation it is relatively reliable.Protrusion is set between two adjacent positioning shrinkage pools, when handle is commutated, when steering assembly revolves
, can be circumferentially positioned to the rotation position progress of steering assembly by protruding portion when going to predeterminated position, in order to which locating piece can
It smoothly stretches into positioning shrinkage pool.
Optionally, the quantity of protrusion is two, is in folder centered on the axis for turning to pedestal, between two protrusions
Be in angle is identical between angle and the both ends of limit track.
In the present solution, when the quantity of protrusion is two, at this time centered on the axis for turning to pedestal, two protrude
The be in angle in portion is identical as the be in angle in the both ends of limit track, that is, to turn to the axis of pedestal as rotary shaft, it is convex by one
Go out the angle that portion is turned over to another protrusion, it is identical as the angle that one end by limit track to the other end turns over, at this time
The even angle of hand commutation, adjusts convenient for user to comfortable angle, handle use is more convenient.
In any of the above-described embodiment, it is preferable that side of the Door lock casing far from handle is equipped with the limit track of annular, and limits
The center of circle of position track is set on the axis of through-hole, distance of the outer wall away from axis of limit track be less than protrusion away from axis away from
From.
In the present solution, limit track the center of circle be set to through-hole axis on, i.e., limit track rotation axis and handle
The axis of rotation overlaps, and at the same time, distance of the outer wall away from axis of limit track is less than distance of the protrusion away from axis, thus
Limit track can be with protrusion against that is, limit track can limit the position of protrusion in the circumferential, work as protrusion
Portion and limit track against when, steering assembly is located at some predeterminated position, is convenient in steering assembly steering procedure in default position
The positioning set.The axis of limit track rotation simultaneously is overlapped with the axis that handle rotates, and is convenient for the design of limit track, is made limit
Steering assembly accurately can be limited in predeterminated position by position track.
In any of the above-described embodiment, it is preferable that turning to pedestal includes:Base body, base body are circumferentially with positioning
Shrinkage pool and protrusion;Pedestal lid, is detachably connected with base body, and rear steering pedestal is closed in pedestal lid and base body lid
Inside it is formed with accommodating space, wherein base body is equipped with the first raised in an axial direction positioning region with one in pedestal lid, separately
One is equipped with the second positioning region compatible with the first positioning region, and bottom is determined by the cooperation of the first positioning region and the second positioning region
The positioning of seat ontology and pedestal lid.
In the present solution, positioning shrinkage pool and protrusion, to simplify the volume of pedestal lid, are convenient on base body
The design and manufacture of pedestal.Meanwhile pedestal lid and base body lid are closed to form accommodating space, convenient for being set in steering pedestal
Dependency structure is set, keeps door latch structure compacter.Meanwhile pedestal lid and base body separate accommodating space and the external world,
Conducive to the interference for reducing the pass structure in outer bound pair accommodating space, to improve the reliability of door lock work.First positioning region is embedded in
In second positioning region, the possibility of relative displacement is generated to reduce base body and pedestal lid along the direction that steering assembly rotates
Property.
In any of the above-described embodiment, it is preferable that handle is equipped with blind hole close to the side of Door lock casing, and door lock further includes:Turn
To axis, the other side of Door lock casing is correspondingly arranged at connecting shaft, steering shaft is adapted close to one end of handle with the shape of blind hole,
And the diverted pedestal of steering shaft and Door lock casing stretch into blind hole.
In the present solution, blind hole is set to handle close to the side of Door lock casing, the diverted pedestal of steering shaft and door lock face
Plate stretches into blind hole, keeps steering shaft and grip structure relatively simple by blind hole and steering shaft directly cooperation, reliable operation, simultaneously
It is easy to loading and unloading.It is understood that section noncircular cross section of the steering shaft close to one end of handle so that blind hole and steering shaft it
Between can smoothly transmit torque.
In any of the above-described embodiment, it is preferable that steering shaft specifically includes:Axis body is adapted with the shape of blind hole;It is fixed
Plate is sheathed on outside axis body, and fixed plate is set in accommodating space.
In the present solution, steering shaft realizes that the connection with handle, fixed plate are sheathed on axis by the cooperation of axis body and blind hole
In vitro and in accommodating space, steering assembly passes through fixed plate at this time and axis body is realized and the transmission chain connect of handle.
In any of the above-described embodiment, it is preferable that there are two arc grooves, door lock in accommodating space further includes:Elastic component is set to
In arc groove, and the both ends of each elastic component circumferentially offset with fixed plate.
In the present solution, elastic component is equipped in arc groove, when in user's swing handle so that door lock is unlocked, with elastic component phase
The fixed plate supported rotates together with axis body, and elastic component compresses under the action of arc groove and fixed plate, unlocks and completes in door lock
Afterwards, elastic component restores deformation, and elastic component drives fixed plate rotation, so that handle rotates and is back to initial position.
In any of the above-described embodiment, it is preferable that further include:Bearing is set in through-hole, and fixed plate is close to the side of handle
Equipped with the matched circumferential part of bearing inner wall.
In the present solution, coordinating in the circumferential part insertion bearing of fixed plate and with the inner wall of bearing, bearing can reduce handle
Resistance in hand rotation process, so that handle rotation is more smooth.The rotating accuracy of steering shaft is higher simultaneously, can reduce handle
The possibility that steering shaft and steering assembly interfere during rotation, convenient for mitigating the abrasion of steering shaft and steering assembly,
Extend the service life of door lock.
In any of the above-described embodiment, it is preferable that the cross section of blind hole is polygon.
In the present solution, the cross section of blind hole is polygon, the cross section with the axis body of blind hole shape adaptation is also polygon
Shape can reduce blind hole and possibility that axis body produces relative sliding in rotation direction using the section of polygon.
Wherein it is preferred to the cross section of blind hole is regular polygon, it can either be convenient for the manufacture of blind hole and blind hole and axis body
Assembly.
Wherein it is preferred to which the cross section of blind hole is regular quadrangle.
In any of the above-described embodiment, it is preferable that positioning shrinkage pool is recessed radially inward by the outer wall of steering pedestal, door
Side of the lock panel far from handle is equipped with the guide rail being radially arranged along steering pedestal.
In the present solution, positioning shrinkage pool is radially extended internally by the outer wall of steering pedestal, locating piece moves along the rail, with
Stretch into or remove positioning shrinkage pool.Guide rail makes locating piece sports rule, is quickly stretched into convenient for locating piece in positioning shrinkage pool, is convenient for handle
Quick commutation.Meanwhile guide rail is arranged along the radial direction of pedestal, can reduce and turn to bottom during locating piece is moved along guide rail
The possibility that seat rotates.
In any of the above-described embodiment, it is preferable that locating piece specifically includes:Auxiliary section is set in guide rail, auxiliary section and guide rail
It is slidably connected, and one end of auxiliary section is adapted with the shape of positioning shrinkage pool;Clicking section is set on auxiliary section in the axial direction;
Fixed part is detachably connected with Door lock casing, is offered on fixed part and the matched opening in clicking section;Reset portion, set on matching
One end of the remotely located shrinkage pool in conjunction portion, wherein when fixed part is connected with Door lock casing, clicking section is stretched by the opening of fixed part
Go out, to realize the fixation for turning to pedestal by clicking section.
In the present solution, locating piece is fixed on by fixed part on Door lock casing, the auxiliary section of locating piece is set in guide rail,
Guide rail stretches into positioning shrinkage pool in locating piece or locating piece removes positioning by realizing the limit to locating piece to the limit of auxiliary section
When shrinkage pool, stir from the clicking section that opening is stretched out so that locating piece moves.Locating piece is easy to adjust in this programme, user without pair
Door lock carry out dismounting can running fix block, be convenient for handle quick commutation.
In any of the above-described embodiment, it is preferable that the quantity for positioning shrinkage pool is two, and two positioning shrinkage pools are along steering assembly
Axially it is uniformly arranged.
In the present solution, two positioning shrinkage pools are uniformly arranged along the axial direction of steering assembly, i.e., from a positioning shrinkage pool rotation
The angle turned over to another positioning shrinkage pool is 180 °, and by the cooperation of locating piece and positioning shrinkage pool, handle can realize 180 °
Commutation.
Optionally, positioning shrinkage pool is set to the top and bottom of steering assembly, and corresponding, locating piece is set to the upper of steering assembly
End and/or lower end, convenient for reducing door lock assembly in left and right sides the space occupied, door lock assembly installation footprint smaller.
The additional aspect and advantage of the present invention will become apparent in following description section, or practice through the invention
Recognize.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination following accompanying drawings to embodiment
Obviously and it is readily appreciated that, wherein:
Fig. 1 is the explosive view of door lock described in one embodiment of the invention;
Fig. 2 is the side view of door lock section structure described in one embodiment of the invention;
Fig. 3 is the sectional view of Section A-A in Fig. 2;
Fig. 4 is the side view of door lock section structure described in one embodiment of the present of invention;
Fig. 5 is the side view of door lock section structure described in one embodiment of the present of invention.
Wherein, the reference numeral in Fig. 1 to Fig. 5 and the correspondence between component names are:
10 Door lock casings, 101 through-holes, 102 guide rails, 103 limit tracks, 1031 first ends, 1032 second ends, 11 handles,
111 connecting shafts, 112 blind holes, 12 steering assemblies, 121 positioning shrinkage pools, 1,211 first positioning shrinkage pools, 1,212 second positioning shrinkage pools,
122 turn to pedestal, and 1221 base bodies, 1222 arc grooves, 1223 pedestal lids, 123 steering shafts, 1231 axis bodies, 1232 fix
Plate, 124 protrusions, 1,241 first protrusions, 1,242 second protrusions, 13 locating pieces, 131 auxiliary sections, 132 fluctuation portions, 133 is solid
Determine portion, 134 reset portions, 14 elastic components, 15 bearings, 16 first positioning regions, 17 second positioning regions.
Specific implementation mode
To better understand the objects, features and advantages of the present invention, below in conjunction with the accompanying drawings and specific real
Mode is applied the present invention is further described in detail.It should be noted that in the absence of conflict, the implementation of the application
Feature in example and embodiment can be combined with each other.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still, the present invention may be used also
To be implemented different from other modes described here using other, therefore, protection scope of the present invention is not by described below
Specific embodiment limitation.
The door lock described according to some embodiments of the invention is described referring to Fig. 1 to Fig. 5.
As shown in Figure 1 to Figure 3, the embodiment provides a kind of door locks, include mainly Door lock casing, handle, turn
To component and locating piece.Offer through-hole on Door lock casing, handle it is opposite with steering assembly set on the both sides of Door lock casing and
The connecting bushing of handle is set in through-hole, and steering assembly is with handle by rotating axis connection.Positioning there are two being set on steering assembly
Shrinkage pool, locating piece is set to the homonymy of Door lock casing with steering assembly, and locating piece is adapted with positioning shrinkage pool, to be stretched in locating piece
When entering to position shrinkage pool, the rotation of steering assembly is limited.
Door lock provided in this embodiment realizes that steering assembly is rotated in handle by positioning the cooperation of shrinkage pool and locating piece
Fixation in circumferential direction on multiple positions realizes the commutation of handle, handle commutation side to realize the adjustment of handle rotation position
Just, user is voluntarily adjusted.
Specifically, when steering assembly is located at any one position, locating piece stretches into positioning shrinkage pool, at this time steering assembly
Degree of freedom in the circumferential is limited by locating piece, and handle is rotated relative to steering assembly to open or close door lock, realizes door lock
Normal function of locking a door.When needing to commutate to handle, locating piece is mobile so that locating piece removes positioning shrinkage pool, at this time
Steering assembly is rotated with handle when hand rotates, and when steering assembly rotates to predeterminated position, locating piece stretches into positioning shrinkage pool, so that
Steering assembly locks in the circumferential, and the initial position of handle rotation at this time changes, and handle commutation is completed.It is understood that every
A positioning shrinkage pool corresponds to a predeterminated position, therefore the position of positioning shrinkage pool can be arranged according to user's use habit.By this reality
The scheme of example is applied, the commutation of handle can be realized in the position that need to only adjust locating piece, is dismantled without locking on the door, handle commutation
It is simple and convenient.
As shown in Fig. 2, further preferably two positioning shrinkage pools of design are uniformly arranged along the axial direction of steering assembly.
In the present solution, two positioning shrinkage pools are uniformly arranged along the axial direction of steering assembly, i.e., turned to from a positioning shrinkage pool
The angle that another positioning shrinkage pool turns over is 180 °, and by the cooperation of locating piece and positioning shrinkage pool, handle can realize 180 °
Commutation.
In addition, positioning shrinkage pool is set to the top and bottom of steering assembly, corresponding, locating piece is set to the upper end of steering assembly
With/lower end, it is convenient for reducing door lock assembly in left and right sides the space occupied, door lock assembly installation footprint smaller.
The quantity of further preferred Design Orientation shrinkage pool is 4, by the cooperation of locating piece and positioning shrinkage pool, enables handle
It is enough to be commutated with 90 degree of difference, it disclosure satisfy that the more use demands of user.It at this time can be in Door lock casing close to handle
The prompt mark of handle commutation position is arranged in side, after locating piece removes positioning shrinkage pool, after user's rotating handles to predeterminated position,
Fluctuation locating piece makes locating piece stretch into positioning shrinkage pool, to complete the commutation of handle.
As depicted in figs. 1 and 2, further preferably design steering assembly specifically includes steering pedestal and protrusion in a ring
Portion, positioning shrinkage pool, which is set to, to be turned on pedestal, and protrusion is set to along the circumferential direction for turning to pedestal between two adjacent positioning shrinkage pools, and
Protrusion is outwardly protruded by the outer wall of steering pedestal.
In the present solution, positioning shrinkage pool is set to and turns on pedestal, locating piece stretches into after positioning shrinkage pool by existing to turning to pedestal
The limitation of degree of freedom in circumferential direction realizes the limitation to steering assembly degree of freedom in the circumferential, between locating piece and positioning shrinkage pool
Coordinate relatively reliable.Protrusion is set between two adjacent positioning shrinkage pools, when handle is commutated, when steering assembly rotates
It when to predeterminated position, can be positioned by protruding portion, in order to which locating piece can be stretched into smoothly in positioning shrinkage pool.
Further preferably side of the design Door lock casing far from handle is equipped with the limit track of annular, and the circle of limit track
The heart is set on the axis of through-hole, and distance of the outer wall away from axis of limit track is less than distance of the protrusion away from axis.
In the present solution, the center of circle of limit track is set on the axis turned to, i.e. the axis with handle of limit track rotation revolve
The axis turned overlaps, and at the same time, distance of the outer wall away from axis of limit track is less than distance of the protrusion away from axis, thus limits
Position track can be with protrusion against that is, limit track can limit the position of protrusion in the circumferential, work as protrusion
With limit track against when, steering assembly is located at some predeterminated position, convenient in steering assembly steering procedure in predeterminated position
On positioning.The axis of limit track rotation simultaneously is overlapped with the axis that handle rotates, and is convenient for the design of limit track, is made limit
Steering assembly accurately can be limited in predeterminated position by track.
As shown in Figure 1, further preferably design steering pedestal includes base body and is detachably connected with base body
Pedestal lid, base body be circumferentially with positioning shrinkage pool and protrusion, pedestal lid be detachably connected with base body,
Pedestal lid closes in rear steering pedestal with base body lid and is formed with accommodating space.Door lock further includes steering shaft, and steering shaft is specific
Including axis body and the fixed plate being sheathed on outside axis body, the axis body of steering shaft is connect with handle, and fixed plate is set in accommodating space.
In the present solution, positioning shrinkage pool is set on base body with protrusion, to simplify the volume of pedestal lid, it is convenient for bottom
The design and manufacture of seat.Meanwhile pedestal lid and base body lid are closed to form accommodating space, to be carried out to the position of fixed plate
Limitation realizes the transmission between handle and steering assembly by the cooperation of fixed plate and pedestal lid and base body.Meanwhile
Pedestal lid and base body separate accommodating space and the external world, are conducive to reduce the structures such as the fixed plate in accommodating space and occur
The possibility of corrosion etc., to improve the reliability of door lock work.
As shown in Figure 1, further preferably design base body is linked with pedestal lid by screw, base body and pedestal
One in lid is equipped with the first raised in an axial direction positioning region, another is equipped with compatible with the first positioning region second and positions
Portion determines the positioning of base body and pedestal lid by the cooperation of the first positioning region and the second positioning region.
In the present solution, realizing consolidating on the axis direction for turning to pedestal by screw in base body and pedestal lid
Fixed, at the same time, the first positioning region is embedded in the second positioning region, is rotated along steering assembly with reducing base body and pedestal lid
Direction generate the possibility of relative displacement, connection between base body and pedestal lid is more firm.
As shown in Figure 1, further preferably design handle is equipped with blind hole close to the side of Door lock casing, the axis body of steering shaft leans on
Nearly one end of handle is adapted with the shape of blind hole, and the diverted pedestal of steering shaft and Door lock casing stretch into blind hole.
In the present solution, blind hole is set to handle close to the side of Door lock casing, the diverted pedestal of steering shaft and Door lock casing
It stretches into blind hole, keeps steering shaft and grip structure relatively simple by blind hole and steering shaft directly cooperation, reliable operation, same to fashionable dress
It unloads conveniently.It is understood that section noncircular cross section of the axis body close to one end of handle, so that energy between blind hole and steering shaft
It is enough smoothly to transmit torque.
As shown in Figure 1, further preferably design blind hole cross section be polygon, at this time with the axis body of blind hole shape adaptation
Cross section also be polygon, blind hole and axis body can be reduced using the section of polygon and produced relative sliding in rotation direction
Possibility.
The cross section of further preferably design blind hole is regular polygon, can either be convenient for the manufacture of blind hole and blind hole and axis
The assembly of body.
As shown in Figure 1, further preferably design blind hole cross section be regular quadrangle, with can be further reduced blind hole and
The possibility that axis body produces relative sliding in rotation direction.
As shown in Fig. 2, further preferably Design Orientation shrinkage pool is recessed radially inward by the outer wall of steering pedestal, door
Side of the lock panel far from handle is equipped with the guide rail being radially arranged along steering pedestal, and locating piece is slided along guide rail.
In the present solution, positioning shrinkage pool is radially extended internally by the outer wall of steering pedestal, locating piece moves along the rail, to stretch
Enter or remove positioning shrinkage pool.Guide rail makes locating piece sports rule, is quickly stretched into convenient for locating piece in positioning shrinkage pool, convenient for handle
Quickly commutation.Meanwhile guide rail is arranged along the radial direction of pedestal, can reduce and turn to pedestal during locating piece is moved along guide rail
The possibility to rotate.
As shown in Figure 1, further preferably Design Orientation block specifically includes auxiliary section, fixed part and clicking section, auxiliary section
It is slidably connected in guide rail and with guide rail, one end of auxiliary section is adapted with the shape of positioning shrinkage pool.Clicking section is along axis side
To on auxiliary section.Fixed part is detachably connected with Door lock casing, offered on fixed part with the matched opening in clicking section,
Wherein, when fixed part is connected with Door lock casing, clicking section is stretched out by the opening of fixed part, and bottom is turned to be realized by clicking section
The fixation of seat.
In the present solution, locating piece is fixed on by fixed part on Door lock casing, the auxiliary section of locating piece is set in guide rail,
Guide rail stretches into positioning shrinkage pool in locating piece or locating piece removes positioning by realizing the limit to locating piece to the limit of auxiliary section
Shrinkage pool is stirred from the clicking section that opening is stretched out so that locating piece moves.Locating piece is easy to adjust in this programme, and user is without on the door
Lock carry out dismounting can running fix block, be convenient for handle quick commutation.
As shown in Figure 1, further preferably Design Orientation block further includes reset portion (being, for example, spring), reset portion and door lock face
Plate is against when locating piece is skidded off along guide rail out of positioning shrinkage pool, reset portion is compressed.
In the present solution, when locating piece is skidded off out of positioning shrinkage pool, reset portion compression, steering assembly is rotated with handle, is being turned
When rotating to component to predeterminated position, locating piece can be stretched under the action of reset portion in positioning shrinkage pool, to fix steering group
Part realizes the commutation of handle.Wherein, after locating piece stretches into positioning shrinkage pool, reset portion can make locating piece be maintained at positioning
In shrinkage pool, locating piece possibility for removing out of positioning shrinkage pool during user's use is reduced.
As shown in Figure 1, further preferably there are two arc grooves in design accommodating space, door lock further includes elastic component, elasticity
Part is set in arc groove and the both ends of each elastic component (being, for example, spring) circumferentially offset with fixed plate.
In the present solution, being equipped with elastic component in arc groove, when in user's swing handle so that door lock is unlocked, offset with elastic component
Fixed plate rotated together with axis body, elastic component compresses under the action of arc groove and fixed plate, after the completion of door lock is unlocked,
Elastic component restores deformation, and elastic component drives fixed plate rotation, so that handle rotates and is back to initial position.
As shown in Figure 1, further preferably design door lock further includes:Bearing is set in through-hole, and fixed plate is close to handle
Side is equipped with and the matched circumferential part of bearing inner wall.
In the present solution, coordinating in the circumferential part insertion bearing of fixed plate and with the inner wall of bearing, bearing can reduce handle
Resistance in hand rotation process, so that handle rotation is more smooth.The rotating accuracy of steering shaft is higher simultaneously, can reduce handle
The possibility that steering shaft and steering assembly interfere during rotation, convenient for mitigating the abrasion of steering shaft and steering assembly,
Extend the service life of door lock.
As shown in Figure 4 and Figure 5, further preferably design protrusion quantity be two, respectively the first protrusion and
Second protrusion, limit track include the first end and second end positioned at limit track both ends.During axis to turn to pedestal is
The heart, between the first protrusion and the second protrusion the first end and second end of be in angle (being, for example, the straight angle) and limit track it
Between be in angle (being, for example, the straight angle) it is identical.
In the present solution, when the quantity of protrusion is two, using the axis for turning to pedestal as rotary shaft, protruded by first
The angle that portion is turned over to the second protrusion, at this time handle identical as the angle that the first end by limit track to second end turns over
The even angle of commutation adjusts convenient for user to comfortable angle, and handle use is more convenient.Specifically, in the present embodiment
In, as shown in figure 4, when steering assembly is located at a predeterminated position, locating piece (not shown) stretches into the second positioning shrinkage pool, the
One protrusion in the counterclockwise direction with the second end of limit track against, the second protrusion in the counterclockwise direction with position-limited rail
The first end in road against.When needing to commutate handle, locating piece removes positioning shrinkage pool, turns to pedestal and turns along clockwise direction
It is dynamic, until the first protrusion and first end are against the second protrusion, against (i.e. shown in Fig. 5), completes at this time with second end
Positioning, locating piece stretches into the first positioning shrinkage pool so that limit assembly locks.First protrusion and second convex is set in this programme
Go out portion, a protrusion is more only set, the possibility that protrusion causes protrusion to damage because impact force is excessive, door lock can be reduced
Component is relatively reliable.
It is understood that the axis of the axis of through-hole and steering pedestal overlaps in above-described embodiment.
Specific embodiment
As shown in Figure 1 to Figure 3, specific embodiments of the present invention provide a kind of door lock, mainly include Door lock casing,
Hand, steering assembly and locating piece.Steering assembly includes turning to pedestal, steering shaft and positioning shrinkage pool.Handle and steering assembly
Opposite to be set in through-hole set on the connecting bushing of the both sides of Door lock casing and handle, the connecting shaft of handle is equipped with blind hole, steering shaft
Axis body mutually fitted close to one end of Door lock casing and the shape of blind hole, axis body be inserted into blind hole in, to realize handle and steering assembly
Connection.Bearing is additionally provided on Door lock casing, the fixed plate of steering shaft is equipped with close to the side of handle to be matched with bearing inner wall
Circumferential part.
It includes base body and the pedestal lid being detachably connected with base body, the circumferential direction of base body to turn to pedestal
It is detachably connected with base body equipped with positioning shrinkage pool and protrusion, pedestal lid, after pedestal lid and base body lid close
It turns to and is formed with accommodating space in pedestal, the fixed plate of steering shaft is set in accommodating space.Base body is set there are two arc groove,
Door lock further includes elastic component, elastic component be set in arc groove and the both ends of each elastic component (being, for example, spring) circumferentially with fixation
Plate offsets.
It is additionally provided with the two positioning shrinkage pools radially to be extended internally by the outer wall of steering pedestal on base body, positions shrinkage pool
The top and bottom of base body are respectively arranged on, and the line between two positioning shrinkage pools passes through the axis of through-hole.Base body
On be additionally provided with along the outer wall of base body outwardly protrude made of protrusion, protrusion along turn to pedestal circumferential direction be set to it is adjacent
Between two positioning shrinkage pools.Side of the Door lock casing far from handle is equipped with the limit track of annular, and the center of circle of limit track is set
In on the axis of through-hole, distance of the outer wall away from axis of limit track is less than distance of the protrusion away from axis.
The guide rail being radially arranged along steering pedestal is additionally provided on Door lock casing, door lock further includes locating piece, and locating piece is specific
Including auxiliary section, fixed part, reset portion and clicking section, auxiliary section is set in guide rail and is slidably connected with guide rail, auxiliary section
One end is adapted with the shape of positioning shrinkage pool.Clicking section is set on auxiliary section in the axial direction.Fixed part is removable with Door lock casing
Connection is unloaded, is offered on fixed part and the matched opening in clicking section.Reset portion and Door lock casing against, locating piece along guide rail from
In positioning shrinkage pool when skidding off, reset portion is compressed wherein, when fixed part is connected with Door lock casing, clicking section by fixed part opening
It stretches out, to realize the fixation for turning to pedestal by clicking section.
Door lock provided in this embodiment realizes that steering assembly is rotated in handle by positioning the cooperation of shrinkage pool and locating piece
Fixation in circumferential direction on multiple positions realizes the commutation of handle, is not required to be locked on the door to realize the adjustment of handle rotation position
The commutation of handle can be realized in row dismounting, and handle commutation is convenient.
Specifically, when steering assembly is located at any one position, locating piece stretches into positioning shrinkage pool, at this time steering assembly
Degree of freedom in the circumferential is limited by locating piece, when in user's swing handle so that door lock is unlocked, the fixation that offsets with elastic component
Plate rotates together with axis body, and elastic component compresses under the action of arc groove and fixed plate, after the completion of door lock is unlocked, elastic component
Restore deformation, elastic component drives fixed plate rotation, so that handle rotates and is back to initial position.Handle energy when user uses every time
It enough automatically resets, user's use is more convenient.
Locating piece is fixed on by fixed part on Door lock casing, and when needing to commutate to handle, user stirs from opening
The clicking section that mouth stretches out makes locating piece remove positioning shrinkage pool along guide rail, and steering assembly can together be rotated with handle at this time, work as steering
When component rotates to predeterminated position, it is recessed that positioning is stretched under the action of the clicking section that reset portion and user are stirred by locating piece
In hole, so that steering assembly locks in the circumferential, the initial position of handle rotation at this time changes, and handle commutation is completed.Wherein, originally
In embodiment, the quantity for positioning shrinkage pool is two, and the predeterminated position for corresponding to positioning shrinkage pool is two, and handle can adjust every time
180 ° commutate.
Wherein, positioning shrinkage pool is set to the top and bottom of steering assembly, and corresponding, locating piece is set under steering assembly
End, convenient for reducing door lock assembly in left and right sides the space occupied, door lock assembly installation footprint smaller.
It is also pointed out that coordinating in the circumferential part insertion bearing of fixed plate and with the inner wall of bearing, bearing can be reduced
Resistance in handle rotation process, so that handle rotation is more smooth.The rotating accuracy of steering shaft is higher simultaneously, can reduce handle
The possibility that steering shaft and steering assembly interfere during hand rotates, convenient for mitigating the mill of steering shaft and steering assembly
Damage, extends the service life of door lock.
In conclusion door lock provided by the invention realizes steering assembly in handle by positioning the cooperation of shrinkage pool and locating piece
The fixation on multiple positions upwards of hand revolution can realize that handle rotates by adjusting the positioning shrinkage pool coordinated with locating piece
The commutation of handle is realized in the adjustment of position, handle installation is positive and negative without proofreading, and commutation is convenient.
In the present invention, term " multiple " then refers to two or more, unless otherwise restricted clearly.Term " peace
The terms such as dress ", " connected ", " connection ", " fixation " shall be understood in a broad sense, for example, " connection " may be a fixed connection, it can also
It is to be detachably connected, or be integrally connected;" connected " can be directly connected, can also be indirectly connected through an intermediary.It is right
For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one reality of the present invention
It applies in example or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment or reality
Example.Moreover, description particular features, structures, materials, or characteristics can in any one or more of the embodiments or examples with
Suitable mode combines.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.