CN215291892U - Lock body and door lock - Google Patents

Abstract

The utility model discloses a lock body and lock, the lock body includes: the lock bolt driving mechanism comprises a first shifting wheel and a second shifting wheel, the first shifting wheel and the second shifting wheel are rotatably arranged in the accommodating cavity, a first driving structure is arranged between the first shifting wheel and the lock bolt assembly, and a second driving structure is arranged between the second shifting wheel and the lock bolt assembly; an opening through which the locking piece can extend is formed in the shell assembly, a locking structure matched with the locking piece is arranged on the second thumb wheel, a third driving structure is arranged between the first thumb wheel and the locking piece, and the locking piece can be driven to slide to a locking position and a releasing position by rotating the first thumb wheel; the locking piece is located the locking position, and locking piece locking second thumb wheel passes the casing subassembly through the opening and outwards stretches out, and when the locking piece was located the release position, locking piece release second thumb wheel through above-mentioned structure, can be convenient lock, counter-lock and unblock operation.

Description

Lock body and door lock

Technical Field

The utility model relates to a tool to lock field, in particular to lock body and lock.

Background

The lock comprises parts such as handle, shifting knob and lock body usually, and under the normal condition, the handle is all installed in the lock body with shifting the knob, and the user rotates and dials the knob and can lock, and rotate behind the shifting knob again the handle then can the unblock open the door. With this structure, the locking and unlocking requires a special turn knob, which is inconvenient in use. In addition, the knob and the handle are separately arranged, so that the lock body is large in size and inconvenient to install on a door.

For this reason, the applicant previously filed patent numbers: "CN 202020288902.0", with the name: the chinese utility model patent of "lock body device and lock" is through extending to the second square pole (outdoor square pole promptly) and exposing with first square pole in this patent, through use of tools at outdoor rotatory first square pole, and the rethread first square pole rotates first group cover and carries out the unblock, and the structure is complicated, and the operation is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a lock body, locking and unblock that can be convenient.

The utility model discloses still provide a lock.

According to the utility model discloses a lock body of first aspect embodiment includes: the lock bolt driving mechanism comprises a first thumb wheel and a second thumb wheel which are rotatably arranged in the containing cavity, a first driving structure is arranged between the first thumb wheel and the lock bolt assembly, and a second driving structure is arranged between the second thumb wheel and the lock bolt assembly; the locking piece is arranged in the containing cavity in a sliding mode, an opening through which the locking piece can extend is formed in the shell assembly, a locking structure matched with the locking piece is arranged on the second thumb wheel, a third driving structure is arranged between the first thumb wheel and the locking piece, and the locking piece can be driven to slide to a locking position and a releasing position through the third driving structure when the first thumb wheel is rotated; the locking piece is located the locking position, and the locking piece passes through locking structure locking second thumb wheel and locking piece and passes through the opening and pass the casing subassembly and outwards stretch out, and when the locking piece was located the release position, the locking piece released the second thumb wheel.

According to the utility model discloses lock body has following beneficial effect at least: when the lock is unlocked (when the locking piece is at the release position), the first shifting wheel and the second shifting wheel are rotated in the forward direction (in the unlocking direction, clockwise or anticlockwise), and the lock tongue assembly can be driven to return into the shell assembly through the first driving structure and the second driving structure, so that unlocking is facilitated; when the locking device needs to be locked, the first thumb wheel is rotated reversely, the locking piece is driven to the locking position, meanwhile, the locking piece part extends out of the shell assembly through the opening, the second thumb wheel cannot be rotated for unlocking, and therefore locking is achieved, at the moment, the second thumb wheel can be released through forward rotation of the first thumb wheel or through retraction of the part, extending out of the locking piece, of an external component, and unlocking is facilitated; through the structure, the locking and unlocking operation can be conveniently carried out, and the use is convenient.

The utility model discloses an in some embodiments, first drive structure is including setting up the first portion of bulldozing on first thumb wheel and setting up the first pressure face that corresponds with first portion of bulldozing on the spring bolt subassembly, and forward rotation first thumb wheel can bulldoze first pressure face through first bulldozing portion to drive the spring bolt subassembly and remove the unblock, thereby realize the unblock function.

In some embodiments of the utility model, the third drive structure includes the second portion of bulldozing that sets up on first thumb wheel, the third portion of bulldozing of setting on first thumb wheel, set up on the locking piece and bulldoze the second pressure face that the portion corresponds the configuration and set up on the locking piece with the third pressure face that the portion corresponds the configuration that bulldozes, forward rotation first thumb wheel can bulldoze the second pressure face through the second portion of bulldozing to make the locking piece slide to the release position, reverse rotation first thumb wheel can bulldoze the third pressure face through the third portion of bulldozing, so that the locking piece slides to the locking position, thereby the anti-lock of lock body and release anti-lock function.

The utility model discloses an in some embodiments, the second drive structure pushes away the portion and sets up the first pressure face that corresponds with the fourth portion of bulldozing on the spring bolt subassembly including the fourth that sets up on the second thumb wheel, and forward rotation second thumb wheel can push away the first pressure face through fourth portion of bulldozing to drive the spring bolt subassembly and remove the unblock, realize the unblock function of second thumb wheel.

The utility model discloses an in some embodiments, be provided with spacing arch on the second thumb wheel, be provided with the spacing post that corresponds with spacing arch on housing assembly, through the rotation range of the cooperation restriction second thumb wheel of spacing arch and spacing post, avoid the second thumb wheel excessively to rotate and cause the mechanism to become invalid.

In some embodiments of the utility model, be provided with the spacer pin on the lock, the locking structure is the spacing groove that sets up on the second thumb wheel and correspond with the spacer pin, and when the lock removed to the locking position, the spacer pin inserted the spacing groove in order to restrict the second thumb wheel and rotate, and when the lock removed to the release position, the spacer pin if leave the spacing groove in order to release the second thumb wheel, can be through the locking or the release of lock to the second thumb wheel.

The utility model discloses an in some embodiments, still include the drive shaft subassembly, the drive shaft subassembly includes indoor axle and the outdoor axle of being connected with the coaxial setting of indoor axle and rotation, first thumb wheel sets up to two, two first thumb wheels divide locates the both sides of second thumb wheel, be provided with respectively on first thumb wheel and the second thumb wheel can align each other and can with drive shaft subassembly complex shaft hole, after the drive shaft subassembly inserts the shaft hole, indoor axle can cooperate with one of them first thumb wheel, outdoor axle can cooperate with another first thumb wheel and second thumb wheel.

Because the both sides of second thumb wheel all are provided with first thumb wheel, and the drive shaft subassembly can be according to the direction selection of opening the door and penetrate from arbitrary one side of second thumb wheel, and indoor axle can form the structure of opening the door in with the cooperation of the first thumb wheel of arbitrary one side of second thumb wheel promptly, and outdoor axle then can form the structure of opening the door outward with the cooperation of second thumb wheel and another first thumb wheel, the interchange that can be convenient.

The utility model discloses an in some embodiments, be provided with limit structure between driveshaft assembly and the spring bolt actuating mechanism to restriction driveshaft assembly withdraws from the thumb wheel, with the reliability of retaining mechanism.

The utility model discloses an in some embodiments, set up on the indoor axle and play post mechanism, set up on the indoor axle and play post hole, play post mechanism including set gradually in the downthehole bullet post spring of bullet post and play the post, play the post and can elastically stretch out the indoor axle, be provided with spacing arch on the outdoor epaxial, form limit structure through bullet post mechanism and spacing bellied cooperation, the restriction drive shaft subassembly withdraws from the thumb wheel.

The utility model discloses an in some embodiments, indoor axle sets up to rotate with outdoor axle and is connected and coaxial setting, can make things convenient for the installation of driveshaft subassembly, of course, at the concrete implementation in-process, indoor axle and outdoor axle also can be for dividing the body structure, do not detailed here.

The utility model discloses an in some embodiments, still include the spring bolt setting element, the spring bolt setting element is provided with the constant head tank, is provided with magnetism in the constant head tank and inhales the piece, and the spring bolt subassembly includes the spring bolt main part of inhaling the material and making by magnetism, and the spring bolt main part corresponds the configuration with the constant head tank, sets up the spring bolt hole that can supply the spring bolt main part to slide and stretch out on the casing assembly.

When the door is closed, the bolt body can be sucked into the positioning groove by the magnetic suction piece, so that the door body can be locked simply.

The utility model discloses an in some embodiments, the spring bolt subassembly includes the connecting piece, and the spring bolt main part is connected to the connecting piece, has seted up jaggedly on the connecting piece, and the first face that receives sets up in this breach department.

The utility model discloses an in some embodiments, be provided with the extension spring between casing assembly and the spring bolt subassembly, when the spring bolt main part is not inhaled by the magnetism, can pull back the spring bolt main part through the extension spring, avoid influencing normally to close the door.

The utility model discloses an in some embodiments, hold intracavity configuration and to have the stop gear that can restrict the lock piece and withdraw from the locking position, avoid the lock piece accident to slide away from the locking position, reliability when improving the lock body and locking conversely.

The utility model discloses an in some embodiments, hold the intracavity and be provided with the locating piece, on the locating piece, stop gear includes marble and elastic component, set up the mounting hole that can supply elastic component and marble to pack into in proper order in the locating piece, be provided with the bellying that corresponds with the marble on the locking piece, when the locking piece slides to the locking position, the marble pops out and the roof pressure is in the bellying rear side, restriction locking piece retreats and slips away from the locking position, act on the locking piece when external force, the bellying can the elasticity removal that the elastic component was overcome to the marble of roof pressure, thereby make the locking piece can slide to the release position, improve the reliability of anti-lock mechanism.

According to a second aspect embodiment of the present invention, a door lock comprises a lock body, an inner handle, and an outer handle of any of the above first aspect embodiments of the present invention, wherein the inner handle is connected to a first thumb wheel; the outer handle is connected to the second thumb wheel, and a pushing mechanism is arranged on the outer handle and can push a part, extending out of the shell assembly, of the locking piece and enable the locking piece to exit from the locking position.

According to the utility model discloses door lock has following beneficial effect at least: is convenient to use.

The utility model discloses an in some embodiments, bulldoze the mechanism including the activity set up the push pedal on outer handle and bulldoze the screw, bulldoze screw and outer handle or push pedal screw-thread fit, bulldoze the screw through the rotation and can drive the push pedal and remove.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of a lock body according to an embodiment of the present invention;

fig. 2 is an exploded view of a positioning member for a locking tongue in a lock body according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of the lock body according to the embodiment of the present invention when locked;

fig. 4 is a schematic view of an internal structure of a lock body according to an embodiment of the present invention;

fig. 5 is an exploded view of the lock body according to the embodiment of the present invention;

fig. 6 is a schematic structural view of a bolt driving mechanism, a locking member, and a driving shaft assembly according to an embodiment of the present invention;

fig. 7 is a second schematic structural view illustrating the cooperation of the latch bolt driving mechanism, the locking member, and the driving shaft assembly according to the embodiment of the present invention;

figure 8 is a cross-sectional schematic view of a lock body of an embodiment of the present invention at a drive shaft assembly;

fig. 9 is a schematic structural diagram of a door lock according to an embodiment of the present invention;

fig. 10 is an exploded view of the outer handle according to the embodiment of the present invention.

Reference numerals:

the structure comprises a shell assembly 100, an opening 101, a bolt hole 102 and a limiting column 110;

the bolt assembly 200, the first pressure surface 201, the bolt body 210, the tension spring 220 and the connecting piece 230;

the lock tongue driving mechanism 300, a first thumb wheel 310, a first pushing part 311, a second pushing part 312, a third pushing part 313, a second thumb wheel 320, a fourth pushing part 321, a limiting groove 322 and a limiting protrusion 323;

the locking piece 400, the boss 401, the limit pin 410, the second pressure receiving surface 402, the third pressure receiving surface 403, the bottom plate 420 and the extension portion 421;

the driving shaft assembly 500, a shaft hole 501, an indoor shaft 510, an elastic column hole 511, an elastic column spring 512, an elastic column 513, an outdoor shaft 520 and a limit projection 521;

a bolt positioning piece 600 and a magnetic piece 610;

a positioning block 700, a marble 710 and an elastic member 720;

inner handle 910, outer handle 920, push plate 921, push screw 922.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, if there are first and second descriptions for distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the precedence of the indicated technical features.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

As shown in fig. 1, fig. 3, fig. 4, and fig. 5, the lock body according to the embodiment of the present invention includes: the lock bolt driving mechanism 300 comprises a first thumb wheel 310 and a second thumb wheel 320, the first thumb wheel 310 and the second thumb wheel 320 are rotatably arranged in the accommodating cavity, a first driving structure is arranged between the first thumb wheel 310 and the lock bolt assembly 200, and a second driving structure is arranged between the second thumb wheel 320 and the lock bolt assembly 200; the locking piece 400 is arranged in the containing cavity in a sliding mode, the shell assembly 100 is provided with an opening 101 through which the locking piece 400 can extend, the second thumb wheel 320 is provided with a locking structure matched with the locking piece 400, a third driving structure is arranged between the first thumb wheel 310 and the locking piece 400, and the first thumb wheel 310 can be rotated to drive the locking piece 400 to slide to a locking position and a releasing position through the third driving structure.

Wherein, the locking member 400 is located at the locking position, the locking member 400 locks the second thumb wheel 320 through the locking structure, and the locking member 400 passes through the opening 101 and extends out through the housing assembly 100, and when the locking member 400 is located at the releasing position, the locking member 400 releases the second thumb wheel 320.

That is, when the lock is unlocked (when the locking member 400 is at the releasing position), the first thumb wheel 310 and the second thumb wheel 320 are rotated in the forward direction (in the unlocking direction, clockwise or counterclockwise), and both the first driving structure and the second driving structure can drive the latch bolt assembly 200 to return into the housing assembly 100, so as to facilitate unlocking; when needing to lock, the first thumb wheel 310 of counter rotation drives locking piece 400 to the locking position, and outside the locking piece 400 part stretches out casing subassembly 100 through opening 101 simultaneously, the unable unblock that rotates of second thumb wheel 320 to the realization is locked, and accessible forward rotation first thumb wheel 310 or through the partial withdrawal that stretches out outside the external component roof pressure locking piece 400 of accessible this moment, can release second thumb wheel 320, conveniently unlocks.

Through the structure, the locking, the counter locking and the unlocking operations can be conveniently carried out, and the use is convenient.

Specifically, when in use, the lock body is installed on a door body, the first thumb wheel 310 and the second thumb wheel 320 are both provided with a shaft hole 501, the driving shaft assembly 500 is inserted in the shaft hole 501 and connected to the inner handle and the outer handle, the inner handle is connected with the first thumb wheel 310, the outer handle is connected with the second thumb wheel 320, the first thumb wheel 310 and the second thumb wheel 320 can be driven to rotate by rotating the inner handle or the outer handle in the forward direction, and the locking bolt assembly 200 is driven to return into the shell assembly 100 through the first driving structure and the second driving structure, so as to realize unlocking of the door lock, when the inner handle rotates in the reverse direction, the first thumb wheel 310 drives the locking piece 400 to slide to a locking position through the third driving structure, the second thumb wheel 320 is locked, at the moment, the outer handle cannot rotate, so as to realize the reverse locking function of the door lock, at the locking side, the inner handle can be rotated in the forward direction, the locking piece 400 can be driven to slide to a releasing position by rotating the first thumb wheel 310, when the back locking is released, the part extending out of the locking piece 400 can be pressed by an external component outside the door to retract, so that the locking piece 400 slides to the release position, and the emergency back locking release outside the door can also be realized.

In the concrete implementation process, the utility model discloses the lock body of embodiment is used for on the door bodies such as bathroom, children's room mostly to conveniently emergent back lock of removing, but the utility model discloses do not limit to above-mentioned application range.

It should be noted that, in the utility model discloses in, forward rotation is the pivoted direction when handle or thumb wheel unblock, is clockwise or anticlockwise usually, and concrete direction may be according to lock body mounted position or the direction of opening the door etc. and make the adjustment.

As shown in fig. 5, 6, and 7, in some embodiments of the present invention, the first driving structure includes a first pushing part 311 disposed on the first thumb wheel 310 and a first pressed surface 201 disposed on the latch bolt assembly 200 and corresponding to the first pushing part 311, and the forward rotation of the first thumb wheel 310 can push the first pressed surface 201 through the first pushing part 311 to drive the latch bolt assembly 200 to move for unlocking, thereby realizing the unlocking function.

Specifically, as shown in fig. 6, a first pushing portion 311 is formed by a convex or concave structure in the circumferential direction of the first thumb wheel 310, a first pressure receiving surface 201 is formed by a notch or a convex structure on the latch bolt assembly 200, and when the first thumb wheel 310 rotates in the forward direction, the first pushing portion 311 pushes and acts on the first pressure receiving surface 201, so as to drive the latch bolt assembly 200 to move.

Of course, in a specific implementation process, the first driving structure may also be a tooth engagement structure, that is, teeth are provided on the first thumb wheel 310, and a corresponding rack is provided on the latch bolt assembly 200, so that the first thumb wheel 310 can also drive the latch bolt assembly 200.

As shown in fig. 5, 6 and 7, in some embodiments of the present invention, the third driving structure includes a second pressing portion 312 disposed on the first thumb wheel 310, a third pressing portion 313 disposed on the first thumb wheel 310, a second pressing surface 402 disposed on the lock member 400 and corresponding to the second pressing portion 312, and a third pressing surface 403 disposed on the lock member 400 and corresponding to the third pressing portion 313, the first thumb wheel 310 can be rotated in the forward direction to press the second pressing surface 402 through the second pressing portion 312, so that the lock member 400 can slide to the release position, and the first thumb wheel 310 can be rotated in the reverse direction to push the third pressing surface 403 through the third pressing portion 313, so that the lock member 400 can slide to the lock position, so as to unlock and unlock the lock body.

Specifically, as shown in fig. 6, two adjacent holes are formed in the locking member 400 along the sliding direction thereof, the second pressure receiving surface 402 and the third pressure receiving surface 403 are respectively located on the surfaces opposite to the two holes, the first thumb wheel 310 is provided with a protruding structure, one side of the protruding structure forms a first pressing portion 311, the other side of the protruding structure forms a second pressing portion 312, a protruding structure is provided at a position other than the protruding structure of the first thumb wheel 310, and the third pressing portion 313 is provided on the protruding structure and is distributed opposite to the second pressing portion 312.

Of course, in a specific implementation process, the third driving structure may also be a tooth meshing structure, that is, teeth are provided on the first thumb wheel 310, and a corresponding rack is provided on the locking member 400, so that the first thumb wheel 310 can also drive the locking member 400.

As shown in fig. 5, 6, and 7, in some embodiments of the present invention, the second driving structure includes a fourth pushing portion 321 disposed on the second thumb wheel 320 and a first pressed surface 201 disposed on the latch bolt assembly 200 and corresponding to the fourth pushing portion 321, and the second thumb wheel 320 can be rotated forward to push the first pressed surface 201 through the fourth pushing portion 321, so as to drive the latch bolt assembly 200 to move for unlocking, thereby realizing the unlocking function of the second thumb wheel 320.

Specifically, as shown in fig. 6, the fourth pushing portion 321 of the second thumb wheel 320 is similar in structure to the first pushing portion 311 of the first thumb wheel 310, and acts on the first pressure receiving surface 201.

Of course, in a specific implementation process, the second driving structure may also be a tooth meshing structure, that is, teeth are provided on the second thumb wheel 320, a corresponding rack is provided on the latch bolt assembly 200, and driving of the latch bolt assembly 200 by the second thumb wheel 320 may also be achieved.

As shown in fig. 5, 6, and 7, in some embodiments of the present invention, the second thumb wheel 320 is provided with a limiting protrusion 323, the housing assembly 100 is provided with a limiting post 110 corresponding to the limiting protrusion 323, the rotation range of the second thumb wheel 320 is limited by the cooperation of the limiting protrusion 323 and the limiting post 110, and the second thumb wheel 320 is prevented from rotating excessively to cause mechanism failure.

Specifically, as shown in fig. 5, in the present embodiment, the second thumb wheel 320 has a similar structure to the first thumb wheel 310, and a similar protruding structure is provided, which facilitates the production of the thumb wheel, but the protruding structure on the second thumb wheel 320 also forms a structure corresponding to the second pushing portion 312, so as to prevent the second thumb wheel 320 from acting on the locking member 400, the above-mentioned limiting structure is provided, so as to limit the rotation range of the second thumb wheel 320, and improve the reliability of the mechanism.

As shown in fig. 4, 5, 6, and 7, in some embodiments of the present invention, the lock member 400 is provided with a limit pin 410, the locking structure is a limit groove 322 disposed on the second thumb wheel 320 and corresponding to the limit pin 410, when the lock member 400 moves to the locking position, the limit pin 410 is inserted into the limit groove 322 to limit the rotation of the second thumb wheel 320, and when the lock member 400 moves to the releasing position, if the limit pin 410 leaves the limit groove 322 to release the second thumb wheel 320, the lock member 400 can lock or release the second thumb wheel 320.

Specifically, the locking member 400 includes a bottom plate 420, the limit pin 410 is disposed above the bottom plate 420, the second pressure receiving surface 402 and the third pressure receiving surface 403 are disposed on the bottom plate 420, respectively, an outer extension portion 421 is disposed on the bottom plate 420, the outer extension portion 421 can protrude from the housing assembly 100 through the opening 101, and an opening of the limit groove 322 is of a flaring structure so as to guide the insertion of the limit pin 410; a positioning block 700 is disposed in the housing assembly 100, the positioning block 700 forms an avoiding space corresponding to the limit pin 410, a sliding space corresponding to the bottom plate 420 is formed between the positioning block 700 and the housing assembly 100, or a sliding groove corresponding to the bottom plate 420 is disposed on the housing assembly 100, so as to realize the sliding function of the locking member 400.

Of course, in a specific implementation process, a groove may be disposed on the locking member 400, a protrusion is disposed on the second thumb wheel 320, and a locking function of the locking member 400 on the second thumb wheel 320 is realized through cooperation of the protrusion and the groove.

As shown in fig. 6, 7, and 8, in some embodiments of the present invention, the present invention further includes a driving shaft assembly 500, the driving shaft assembly 500 includes an indoor shaft 510 and an outdoor shaft 520 coaxially disposed with the indoor shaft 510 and rotatably connected to the indoor shaft, the first thumb wheel 310 is disposed in two, two first thumb wheels 310 are disposed on two sides of the second thumb wheel 320, the first thumb wheel 310 and the second thumb wheel 320 are respectively provided with a shaft hole 501 capable of aligning with each other and cooperating with the driving shaft assembly 500, after the driving shaft assembly 500 is inserted into the shaft hole 501, the indoor shaft 510 can cooperate with one of the first thumb wheels 310, and the outdoor shaft 520 can cooperate with the other first thumb wheel 310 and the second thumb wheel 320.

Because both sides of the second thumb wheel 320 are provided with the first thumb wheel 310, the driving shaft assembly 500 can be selectively penetrated from any side of the second thumb wheel 320 according to the door opening direction, i.e., the indoor shaft 510 can be matched with the first thumb wheel 310 on any side of the second thumb wheel 320 to form an inward opening structure, and the outdoor shaft 520 can be matched with the second thumb wheel 320 and another first thumb wheel 310 to form an outward opening structure, so that the door opening direction can be conveniently exchanged.

Specifically, the shaft hole 501 is a non-circular structure, and the sections of the indoor shaft 510 and the outdoor shaft 520 correspond to each other, so that the rotary connection is realized; preferably, the shaft hole 501 is a square hole, and the indoor shaft 510 and the outdoor shaft 520 are square shafts corresponding to the square hole, but in a specific implementation process, the shaft hole 501 may also be a flat hole or a round hole.

As shown in fig. 8, in some embodiments of the present invention, the first thumb wheel 310 and the second thumb wheel 320 are sleeved or inserted with each other, which facilitates assembly and improves assembly accuracy.

As shown in fig. 5, 6, 7, and 8, in some embodiments of the present invention, a limiting structure is disposed between the driving shaft assembly 500 and the latch bolt driving mechanism 300 to limit the driving shaft assembly 500 from exiting the thumb wheel, so as to maintain the reliability of the mechanism.

As shown in fig. 5, fig. 6, fig. 7, fig. 8, in some embodiments of the present invention, the elastic column mechanism is disposed on the indoor shaft 510, the elastic column hole 511 is disposed on the indoor shaft 510, the elastic column mechanism includes the elastic column spring 512 and the elastic column 513 sequentially disposed in the elastic column hole 511, the elastic column 513 can elastically stretch out of the indoor shaft 510, the outdoor shaft 520 is disposed with the limiting protrusion 521, the limiting structure is formed by the cooperation of the elastic column mechanism and the limiting protrusion 521, and the driving shaft assembly 500 is limited to retreat from the dial wheel.

Specifically, when the driving shaft assembly 500 is installed, the elastic column 513 is pressed down first, the end of the indoor shaft 510 penetrates into the shaft hole 501, and after the elastic column mechanism penetrates out of the shaft hole 501, the elastic column 513 automatically pops out to be matched with the limiting protrusion 521, so that the driving shaft assembly 500 is limited in the axial direction.

Of course, in the specific implementation process, the elastic column mechanism can also be arranged on the outdoor shaft 520, and the limiting protrusion 521 is arranged on the indoor shaft 510, so that the limiting function can be realized; in addition, the limit structure can also be a bolt limit mechanism, and is not detailed here.

In some embodiments of the present invention, the indoor shaft 510 and the outdoor shaft 520 are disposed to be rotatably connected and coaxially disposed, so as to facilitate the installation of the driving shaft assembly 500, and of course, in the process of implementation, the indoor shaft 510 and the outdoor shaft 520 can be separated from each other, and are not described in detail herein.

As shown in fig. 1 and 2, the present invention further includes a bolt positioning element 600, the bolt positioning element 600 is provided with a positioning groove, a magnetic attraction element 610 is disposed in the positioning groove, the bolt assembly 200 includes a bolt body 210 made of a magnetic attraction material, the bolt body 210 corresponds to the positioning groove, and a bolt hole 102 for the bolt body 210 to slide and extend is disposed on the housing assembly 100.

During the use, spring bolt setting element 600 installs on the door frame, and the lock body main part is installed on the door body, and when the door body rotated to the closed door position, spring bolt main part 210 can be inhaled in the constant head tank by magnetism piece 610 to the realization is to the locking of the door body, simple structure.

Of course, in the implementation process, the latch bolt assembly 200 may also be a conventional elastic latch bolt, and the magnetic attraction member may not be provided, and the latch bolt is guided into the positioning groove by using the inclined surface of the latch bolt to cooperate with the spring, which will not be described in detail herein.

As shown in fig. 4 and 5, in some embodiments of the present invention, the latch bolt assembly 200 includes a connecting member 230, the latch bolt main body 210 is connected to the connecting member 230, a gap is opened on the connecting member 230, and the first pressure receiving surface 201 is disposed at the gap.

As shown in fig. 4 and 5, in some embodiments of the present invention, an extension spring 220 is disposed between the housing assembly 100 and the latch bolt assembly 200, when the latch bolt body 210 is not magnetically attracted, the latch bolt body 210 can be pulled back by the extension spring 220, so as to avoid the influence on the normal door closing.

As shown in fig. 4 and 5, in some embodiments of the present invention, the cavity is configured with a limiting mechanism capable of limiting the locking member 400 to exit from the locking position, so as to avoid the locking member 400 from accidentally sliding away from the locking position, and improve the reliability of the lock body when the lock body is locked reversely.

Specifically, stop gear is elasticity stop gear or damping stop gear, and when great external force promoted locking piece 400, locking piece 400 can overcome stop gear's effect, takes place to slide to make the lock body can normally relieve the back lock.

As shown in fig. 4 and 5, in some embodiments of the present invention, a positioning block 700 is disposed in the cavity, on the positioning block 700, the limiting mechanism includes a marble 710 and an elastic member 720, a mounting hole is disposed in the positioning block 700, which can allow the elastic member 720 and the marble 710 to be sequentially installed, a protrusion 401 corresponding to the marble 710 is disposed on the locking member 400, when the locking member 400 slides to the locking position, the marble 710 is ejected and pressed at the rear side of the protrusion 401, the locking member 400 is limited to move backwards and slide away from the locking position, when an external force acts on the locking member 400, the protrusion 401 can press the marble 710 to overcome the elastic force of the elastic member 720 to move, so that the locking member 400 can slide to the releasing position, and the reliability of the anti-locking mechanism is improved.

Of course, in the implementation process, the locking member 400 may also be limited by a pin spring mechanism or a damping mechanism, which will not be described in detail herein.

Referring to fig. 9 and 10, a door lock according to a second aspect of the present invention includes a lock body, an inner handle 910 and an outer handle 920 according to any of the first aspect of the present invention, wherein the inner handle 910 is connected to the first thumb wheel 310; the outer handle 920 is connected to the second thumb wheel 320, and a pushing mechanism is disposed on the outer handle 920 and can push the portion of the locking member 400 extending out of the housing assembly 100 and can move the locking member 400 out of the locking position to release the locking state.

As shown in fig. 10, in some embodiments of the present invention, the pushing mechanism includes a push plate 921 movably disposed on the outer handle 920 and a pushing screw 922, the pushing screw 922 is in threaded engagement with the outer handle 920 or the push plate 921, and the pushing screw 922 can be rotated to drive the push plate 921 to move.

During the use, push plate 921 corresponds with the position of opening 101, and push plate 921 removes and can push casing subassembly 100 with the part that the casing subassembly 100 was stretched out to locking piece 400 in to make locking piece 400 break away from the locking position, realize that the outside is relieved and is locked, convenient to use.

Of course, in the specific implementation process, the pushing screw 922 may not be provided, a hole corresponding to the push plate 921 is directly formed in the outer handle 920, and the long member insertion hole pushes the push plate 921 to move, so that the function of releasing the back locking can also be achieved.

The invention is not limited to the above embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the invention, and such equivalent modifications or substitutions are included in the scope defined by the claims of the present application.

Claims (10)

1. A lock body, comprising:

the shell assembly (100), wherein a cavity is arranged in the shell assembly (100);

a latch bolt assembly (200), the latch bolt assembly (200) being slidably disposed within the cavity;

the bolt driving mechanism (300) comprises a first thumb wheel (310) and a second thumb wheel (320), the first thumb wheel (310) and the second thumb wheel (320) are rotatably arranged in the accommodating cavity, a first driving structure is arranged between the first thumb wheel (310) and the bolt assembly (200), and a second driving structure is arranged between the second thumb wheel (320) and the bolt assembly (200);

the locking piece (400) is arranged in the containing cavity in a sliding mode, an opening (101) allowing the locking piece (400) to extend out is formed in the shell assembly (100), a locking structure matched with the locking piece (400) is arranged on the second thumb wheel (320), a third driving structure is arranged between the first thumb wheel (310) and the locking piece (400), and the locking piece (400) can be driven to slide to a locking position and a releasing position by rotating the first thumb wheel (310) through the third driving structure;

the locking piece (400) is located at a locking position, the locking piece (400) locks the second thumb wheel (320) through a locking structure, the locking piece (400) penetrates through the shell assembly (100) through the opening (101) and extends outwards, and when the locking piece (400) is located at a releasing position, the locking piece (400) releases the second thumb wheel (320).

2. A lock body according to claim 1,

the first driving structure comprises a first pushing part (311) arranged on the first thumb wheel (310) and a first pressure receiving surface (201) arranged on the lock tongue assembly (200) and corresponding to the first pushing part (311), and the first thumb wheel (310) can rotate in the forward direction and can push the first pressure receiving surface (201) through the first pushing part (311) so as to drive the lock tongue assembly (200) to move and unlock.

3. A lock body according to claim 1,

the third driving structure comprises a second pushing part (312) arranged on the first thumb wheel (310), a third pushing part (313) arranged on the first thumb wheel (310), a second pressure receiving surface (402) arranged on the locking piece (400) and corresponding to the second pushing part (312), and a third pressure receiving surface (403) arranged on the locking piece (400) and corresponding to the third pushing part (313), wherein the first thumb wheel (310) can push the second pressure receiving surface (402) through the second pushing part (312) in forward rotation so that the locking piece (400) can slide to a release position, and the first thumb wheel (310) can push the third pressure receiving surface (403) through the third pushing part (313) in reverse rotation so that the locking piece (400) can slide to a locking position.

4. A lock body according to claim 1,

the second driving structure comprises a fourth pushing part (321) arranged on the second thumb wheel (320) and a first pressed surface (201) arranged on the bolt assembly (200) and corresponding to the fourth pushing part (321), and the second thumb wheel (320) can rotate in the forward direction and can push the first pressed surface (201) through the fourth pushing part (321) so as to drive the bolt assembly (200) to move and unlock.

5. A lock body according to claim 1,

be provided with spacer pin (410) on locking piece (400), the locking structure is for setting up on second thumb wheel (320) with spacing groove (322) that spacer pin (410) correspond, when locking piece (400) removed to the locking position, spacer pin (410) insert spacing groove (322) are in order to restrict second thumb wheel (320) rotate, when locking piece (400) removed to the release position, if spacer pin (410) leave spacing groove (322) are in order to release second thumb wheel (320).

6. A lock body according to claim 1,

the novel driving shaft assembly comprises a driving shaft assembly (500), the driving shaft assembly (500) comprises an indoor shaft (510) and an outdoor shaft (520) which is coaxially arranged with the indoor shaft (510) and is rotatably connected with the indoor shaft, two first thumb wheels (310) are arranged on two sides of the second thumb wheel (320), shaft holes (501) which can be aligned with each other and matched with the driving shaft assembly (500) are respectively formed in the first thumb wheel (310) and the second thumb wheel (320), after the driving shaft assembly (500) is inserted into the shaft holes (501), the indoor shaft (510) can be matched with one of the first thumb wheels (310), and the outdoor shaft (520) can be matched with the other first thumb wheel (310) and the second thumb wheel (320).

7. A lock body according to claim 1,

still include spring bolt setting element (600), spring bolt setting element (600) is provided with the constant head tank, be provided with magnetism in the constant head tank and inhale piece (610), spring bolt subassembly (200) include the spring bolt main part (210) of making by magnetism material of inhaling, spring bolt main part (210) with the constant head tank corresponds the configuration, seted up on casing subassembly (100) and supplied spring bolt hole (102) that spring bolt main part (210) slide and stretch out, casing subassembly (100) with be provided with extension spring (220) between spring bolt subassembly (200).

8. A lock body according to claim 1,

and a limiting mechanism capable of limiting the locking piece (400) to exit from the locking position is arranged in the containing cavity.

9. A lock body according to claim 8,

the cavity is internally provided with a positioning block (700), the positioning block (700) is provided with a limiting mechanism, the limiting mechanism comprises marbles (710) and an elastic piece (720), mounting holes for the elastic piece (720) and the marbles (710) to be sequentially installed are formed in the positioning block (700), and a protruding portion (401) corresponding to the marbles (710) is arranged on the locking piece (400).

10. A door lock, comprising:

the lock body of any one of claims 1 to 9;

an inner handle (910), the inner handle (910) connected to the first thumbwheel (310);

the outer handle (920), the outer handle (920) is connected to the second thumb wheel (320), and a pushing mechanism is arranged on the outer handle (920) and can push a part of the locking piece (400) extending out of the shell assembly (100) and can enable the locking piece (400) to exit from the locking position.

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