CN217712110U - Lock core device - Google Patents

Abstract

The utility model discloses a lock core device, including lock core and motor element, motor element includes driving motor and carries out the locking block that removes by driving motor drive, and the lock core includes the spring bolt, and the spring bolt is including the block portion that is used for block locking block to and be used for jack-up locking block and make the locking block break away from with the jack-up portion of block portion block. The lock core device can realize mechanical unlocking of a key and motor unlocking, and has the advantages of small size, high structural integration degree and less occupied space.

Description

Lock core device

Technical Field

The utility model belongs to the lock core field especially relates to a lock core device.

Background

The existing lock cylinder structure is mainly mechanically unlocked by a key, the unlocking form is single, and the unlocking or locking operation cannot be timely carried out when the key is lost or the lock cylinder fails, so that a great deal of inconvenience can be caused.

Meanwhile, the volume of the existing lock core structure is large, the integration degree of the lock core structure is low, the single structure has single function, and therefore the occupied space and the volume are increased, and the problem to be considered is also solved.

Therefore, how to realize the mechanical unlocking of the key and the unlocking of the motor of the lock cylinder structure, and simultaneously improve the structural integration degree of the lock cylinder, so that the lock cylinder is small in size, and the occupied space is less, which is a technical problem to be solved by technical personnel in the technical field.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the main technical problem who solves provides a lock core device, solves among the prior art that the tool to lock can't machinery and the motor is dual unblank, and the lock core structure is bulky simultaneously, and the space occupies greatly, the lower problem of structure integration degree.

In order to solve the technical problem, the utility model provides a lock core device, including lock core and motor element, motor element includes driving motor and carries out the locking piece that removes by the driving motor drive, and the lock core includes the spring bolt, and the spring bolt is including the block portion that is used for block locking piece to and be used for jack-up locking piece and make the locking piece break away from with the jack-up portion of block portion block.

Preferably, the lock cylinder comprises a key shaft which is used for inserting the key and rotates along with the key, and the key shaft is rotatably connected with the lock tongue.

Preferably, the engaging portion is provided at an inner end of the ejecting portion, the engaging portion is shaped like a circular truncated cone having a surface for engaging the locking block, and the ejecting portion is shaped like a tooth.

Preferably, the generatrix of the circular truncated cone gradually rises from the inner side to the outer side.

Preferably, the ejector extends beyond the edge of the engaging portion.

Preferably, the locking block comprises a clamping plate for clamping with the clamping part, and the clamping plate is provided with an arc-shaped edge for rotatably jacking the jacking part.

Preferably, the height of the edge of the arc-shaped edge is gradually reduced along the positive rotation direction of the jack-up portion.

Preferably, the thickness of the arcuate rim is less than the thickness of the raised portion in the medial and lateral directions.

Preferably, the vertical setting of motor element, driving motor rotate and are connected with the major axis, and the major axis passes the locking piece, and the chamber that holds of holding partial major axis is seted up to the locking piece, is provided with the expanding spring that the cover was established and the block major axis in holding the chamber, and expanding spring's both ends are supported respectively and are held the upper wall and the lower wall that hold intracavity portion.

Preferably, the key shaft is detachably connected with the lock tongue.

The utility model has the advantages that: the utility model discloses a lock core device, including lock core and motor element, motor element includes driving motor and carries out the locking piece that removes by driving motor drive, and the lock core includes the spring bolt, and the spring bolt is including the block portion that is used for block locking piece to and be used for jack-up locking piece and make the locking piece break away from the jack-up portion with block portion block. The lock core device can realize mechanical unlocking of a key and motor unlocking, and has the advantages of small size, high structural integration degree and less occupied space.

Drawings

Fig. 1 is a schematic view of a cabinet lock according to an embodiment of the present invention;

FIG. 2 is a schematic view of the embodiment shown in FIG. 1 illustrating the cover plate and the rotating arm in an lifted state;

fig. 3 is a schematic view of an exploded state of a cabinet lock according to another embodiment of the present invention;

fig. 4 is a schematic view of the connection relationship between the motor assembly and the lock cylinder in another embodiment of the lock cylinder device of the present invention;

fig. 5 is a schematic view of the embodiment of fig. 4 showing the latch bolt in a rotated state;

fig. 6 is a schematic view illustrating a movement state change of a locking block and a lock tongue in another embodiment of the lock cylinder device of the present invention;

fig. 7 is a vertical sectional view of the motor assembly and the lock cylinder in another embodiment of the lock cylinder device of the present invention;

fig. 8 is a schematic view of a connection relationship between the motor mounting shell and the motor assembly in another embodiment of the lock cylinder device of the present invention.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described in more detail with reference to the accompanying drawings and specific embodiments. 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.

It is to be noted that, 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 in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

In the drawings of the specification, an arrow X indicates an inside-outside direction, i.e., a front-back direction, and a direction pointed by the arrow X is an outside direction (i.e., a front direction), an arrow Y indicates a lateral direction, and an arrow Z indicates a vertical direction.

The following is an embodiment of a cabinet lock with the lock cylinder device, referring to fig. 1, fig. 2 and fig. 3, the cabinet lock includes a lock case 1, a rotational draw arm 2, a lock cylinder 3 and a motor assembly 4, wherein the lock cylinder device includes the lock cylinder 3 and the motor assembly 4, the lock case 1 is provided with a lock case cavity for the rotational draw arm 2 to be drawn up and accommodated therein, a first end of the rotational draw arm 2 is rotatably connected with a rotating shaft 5, the rotating shaft 5 is used for connecting a lock bolt, the lock cylinder 3 is arranged at a second end of the rotational draw arm 2, the motor assembly 4 is arranged inside the lock case 1, the motor assembly 4 includes a driving motor 41 and a locking block 42 which is driven by the driving motor 41 and moves, the lock cylinder 3 includes a lock tongue 31, and the lock tongue 31 is used for locking and matching with the locking block 42. The key is inserted and the lock cylinder 3 is rotated to drive the lock tongue 31 to rotate, so that the lock tongue 31 and the locking block 42 are locked or unlocked mutually, the purpose of mechanically unlocking and locking the key is achieved, meanwhile, due to the arrangement of the driving motor 41, the driving motor 41 drives the locking block 42 to move, the locking block 42 and the lock tongue 31 are clamped or unlocked mutually, and the purpose of unlocking and locking the motor is achieved.

Preferably, as shown in fig. 3, the lock cylinder 3 includes a key shaft 32 for inserting a key and rotating with the key, the key shaft 32 is rotatably connected to the lock tongue 31, the key shaft 32 is detachably connected to the lock tongue 31, the lock tongue 31 and the key shaft 32 are detachable, and the lock tongue 31 may be worn or damaged after long-term use, so that the lock tongue 31 may be directly replaced, thereby saving cost.

Preferably, combine fig. 3, fig. 4 and fig. 5, spring bolt 31 includes the block portion 311 that is used for block locking piece 42, and be used for jack-up locking piece 42 and make locking piece 42 break away from the jack-up portion 312 with block portion 311 block, this kind of spring bolt 31 structure has realized block 311 locking piece 42 and jack-up locking piece 42 and then unblank fast, make same spring bolt 31 structure have two kinds of different functions, let the function pluralism of single structure, make a plurality of structures integrate together, the integration degree of spring bolt structure has been improved, realize the multi-purpose function of a thing, the occupied space volume of structure has also been reduced simultaneously, realize the structure miniaturization.

Preferably, with reference to fig. 3, 4 and 5, the engaging portion 311 is provided at the inner end of the jacking portion 312, and the engaging portion 311 is shaped like a circular truncated cone, specifically, the engaging portion 311 may not be a whole circular truncated cone but may be a partial circular truncated cone having a table surface 3111 for engaging with the locking block 42, and the jacking portion 312 is shaped like a tooth.

It is further preferable that the edge of the engaging portion 311 of the ejector 312 extends out, that is, the tooth-shaped ejector 312 extends out from the edge of the circular truncated cone-shaped engaging portion 311, in order to ensure that the ejector 312 can completely disengage the lock block 42 from the edge of the engaging portion 311 when the lock block 42 is ejected, that is, ensure that the lock block 42 is completely ejected, and avoid that the ejector 312 does not eject the lock block 42 from the engaging portion 311 when the ejector is rotated to the highest position.

Preferably, with reference to fig. 3, 4 and 5, the locking block 42 includes a clamping plate 421 for engaging with the engaging portion 311, the clamping plate 421 has an arc edge 4211 for the jacking portion 312 to jack up rotationally, the arc edge 4211 is set to avoid the direct collision between the jacking portion 312 and the edge of the clamping plate 421, so as to reduce friction, reduce wear degree, and prolong the service life of the locking tongue 31 and the locking block 42.

Preferably, with reference to fig. 3, 4 and 5, the height of the edge of the arc edge 4211 is gradually reduced along the forward rotation direction of the jacking portion 312, such a configuration causes the jacking portion 312 to rotate in the forward direction (to jack up the card board 421) and to increase the contact area with the arc edge 4211 when just contacting the arc edge 4211, that is, the contact area between the jacking portion 312 and the arc edge 4211 is higher at this time, on one hand, sharp collision between the jacking portion 312 and the arc edge 4211 is avoided, on the other hand, the jacking portion 312 is more stable and smooth when jacking the card board 421, the process of jacking the card board 421 is kept at a constant speed as much as possible, that is, the jacking process becomes more uniform, the occurrence of the jacking process is avoided, and the linkage between the lock tongue 31 and the lock block 42 becomes gentle.

Preferably, with reference to fig. 4, 5, 6 and 7, the thickness of arcuate rim 4211 is less than the thickness of lifters 312 in the inboard and outboard directions, and this arrangement is provided to ensure that lifters 312 have sufficient contact area with arcuate rim 4211, and also to ensure that lifters 312 have sufficient structural strength to lift arcuate rim 4211 (or the entire lock block 42).

Preferably, as shown in fig. 6, the arc arrow in fig. 6 represents the forward rotation direction of the latch tongue 31 (i.e. the rotation direction of the jacking portion 312 about to rotate to jack up the card 421), and the straight arrow in fig. 6 represents the transition of the latch tongue 31 from the initial state a to the extreme state B of rotating to jack up the card 421, specifically, the rotation angle range of the jacking portion 312 between the initial state a and the extreme state B of rotating to the jacking portion 312 is 0 ° to 120 °, wherein 120 ° is the rotation limit angle beyond which the lock block 42 (i.e. the card 421) falls back and re-engages the card 421 with the engaging portion 311, so that the rotation of the latch tongue 31 is limited by the angle range, more specifically, when the rotation range of the jacking portion 312 (i.e. the rotation range of the latch tongue 31) is 0 ° to 90 °, the card 421 does not disengage from the engaging portion 311, and when the rotation range of the jacking portion 312 is 90 ° to 120 °, the card 421 disengages from the engaging portion 311, and when the rotation range of the jacking portion 312 exceeds 120 °, the card 421 is re-engaged with the engaging portion 311.

Preferably, referring to fig. 6 and 7, in the inside-outside direction, the height of the arc edge 4211 gradually increases from inside to outside, that is, the outside height of the arc edge 4211 is higher than the inside height of the arc edge 4211, that is, the outside edge of the arc edge 4211 extends towards the inside edge of the arc edge 4211 to form an arc surface 42111, so that when the latch is latched, the edge of the engaging portion 311 can easily reach the inside surface of the card 421 from the outside surface of the card 421 along the arc surface 42111, thereby completing the engagement of the engaging portion 311 and the card 421, completing the latching operation, which can effectively reduce the friction loss between the edge of the engaging portion 311 and the arc edge 4211, and prolong the service life of the two.

Further preferably, in conjunction with fig. 6 and 7, the arc-shaped surface 42111 has an arc-shaped convex surface 421111 and an arc-shaped concave surface 421112, and the arc-shaped convex surface 421111 and the arc-shaped concave surface 421112 are arranged in sequence along the positive rotation direction of the lock tongue 31, so that the jacking portion 312 keeps the upward moving speed of the card 421 in the two states gentle and uniform when contacting and jacking against the arc-shaped convex surface 421111 and the arc-shaped concave surface 421112, because the jacking portion 312 initially jacks against the arc-shaped convex surface 421111, an initial upward moving speed is given to the card 421, which is equivalent to a sudden acceleration and speed given to the card 421, and in order to make the next card 421 move more gently, the upward moving tendency of the card 421 is weakened, so that the arc-shaped concave surface 421112 is arranged to weaken the jacking tendency of the jacking portion 312 to jack the card 421 (because the arc-shaped concave surface 421112 is inward, the contact time of the inward concave surface 312 with the arc-shaped concave surface 421112 is delayed), and the upward moving speed of the jacking portion 312 when contacting and jacking against the arc-shaped convex surface 421112 is kept consistent as possible.

Further preferably, as shown in fig. 7, the engagement portion 311 in the shape of a circular truncated cone whose generatrix X1 gradually rises from the inner side to the outer side is provided so that the engagement portion 311 gradually pushes up the card plate 421 when the card plate 421 is pressed by the engagement portion 31 in the process of engaging the lock tongue 31 with the lock block 42, and the card plate 421 abuts against the surface 3111 of the engagement portion 311, that is, the engagement between the engagement portion 311 and the card plate 421 is made smoother.

Preferably, combine fig. 3, fig. 4 and fig. 5, motor element 4 is vertical to be set up, driving motor 41 rotates and is connected with major axis 43, major axis 43 passes locking block 42, locking block 42 has seted up the chamber 422 that holds of some major axes, be provided with the telescopic spring 44 of cover setting and block major axis 43 in holding the chamber 422, the both ends of telescopic spring 44 support respectively and hold the inside upper wall and the lower wall of chamber 422, when driving motor 41 corotation or reversal, telescopic spring 44 is corresponding to compression or tensile, with this drive locking block 42 reciprocate, and through the rotational speed of control driving motor 41, the speed that adjustable locking block 42 reciprocated.

With reference to fig. 3-7, the following is a practical application of the cabinet lock:

mechanical unlocking and locking process: firstly, inserting a key into the lock cylinder 3 and rotating, positively rotating the jacking part 312 of the lock tongue 31 to jack the clamping plate 421, so that the clamping plate 421 rises to be disengaged from the engaging part 311, then disengaging the lock tongue 31 from the locking block 42, pulling the rotary pull arm 2 connected with the lock tongue 31 (or the lock cylinder 3) away from the lock case cavity (or the pull arm groove 63), then returning the clamping plate 421 to the original position to facilitate subsequent locking, then rotating the rotary pull arm 2, driving the lock plunger (or the heaven and earth rod connected with the rotating shaft 5) to rotate through the rotating shaft 5 to complete unlocking, and if locking is required, rotating and pressing the rotary pull arm 2 to return to the lock case cavity (or the pull arm groove 63), rotating the key to enable the engaging part 311 to re-engage the clamping plate 421, and pulling out the key to complete locking; or the rotating pull arm 2 is directly rotated and pressed to make the engaging portion 311 press the card board 421, and the table 3111 of the engaging portion 311 engages with the card board 421 to complete the locking, which is accompanied with the process that the engaging portion 311 lifts up the card board 421.

Unlocking and locking a motor: the driving motor 41 is controlled to rotate, so that the locking block 42 moves up integrally, that is, the locking plate 421 is driven to move up, the locking plate 421 is disengaged from the clamping with the clamping portion 311, the rotating draw arm is pulled up and rotates, the rotating shaft 5 rotates, and then the lock bolt (or the top and bottom rod) is driven to rotate to complete unlocking, if locking is required, the driving motor 41 is controlled to rotate, so that the locking block 42 moves down integrally, that is, the locking plate 421 moves down, so that the locking plate 421 is clamped with the clamping portion 311 again, and locking is completed.

Preferably, with reference to fig. 3 and 8, the lock further includes a motor mounting shell 6, the motor mounting shell 6 is disposed inside the lock shell 1, a sliding slot 61 for the locking block 42 to move therein, a lock cylinder cavity 62 for accommodating the lock cylinder 3 and a pull arm slot 63 for accommodating the pull arm 2 are disposed on the motor mounting shell 6, specifically, the sliding slot 61 is disposed on the inner side (i.e. the rear) of the motor mounting shell 6, the lock cylinder cavity 62 is disposed on the lower portion of the motor mounting shell 6, the pull arm slot 63 is disposed on the outer side (i.e. the front) of the motor mounting shell 6, and the motor mounting shell 6 is configured to fix the motor assembly 4, accommodate the pull arm 2 and the lock cylinder 3, on the one hand, and also to enhance the overall structural strength of the lock shell 1 on the other hand.

Further preferably, as shown in fig. 3, the upper portion of the motor mounting housing 6 is provided with a rotating shaft accommodating cavity 64 for accommodating the rotating shaft 5, which can limit the rotating axis of the rotating shaft 5 to allow the rotating shaft 5 to rotate in a fixed axis manner.

Further preferably, with reference to fig. 3 and 8, two vertical columns 65 that are parallel to each other and horizontally disposed are disposed on the inner side (i.e., the rear side) of the motor mounting housing 6, and a distance between the two vertical columns 65 is adapted to the width of the motor assembly 4, so as to limit the transverse direction of the motor assembly 4 and prevent the motor assembly 4 from shaking.

Further preferably, with reference to fig. 3 and 8, the ends of the two upright posts 65 are provided with motor fixing plates 66 through screws, and the motor fixing plates 66 are attached to and press the motor assembly 4, so as to limit the inside and outside directions (i.e., the front and back directions) of the motor assembly 4 and avoid the shaking of the motor assembly 4.

Preferably, referring to fig. 1, 2 and 3, the lock case 1 is provided with a cover plate 7 for covering the lock case cavity, and the motor mounting case 6 is provided with a magnet 68 for attracting the cover plate 7.

Further preferably, with reference to fig. 3 and 8, the upper portion of the motor mounting housing 6 is provided with two parallel and horizontally arranged fixing posts 67, the fixing posts 67 extend into the lock housing 1 and are fixedly connected with the lock housing 1 through screws, and a magnet 68 for attracting the cover plate 7 is arranged at an outer side (i.e. front) end of the fixing posts 67.

Further preferably, in combination with fig. 3 and 8, the outer end of the fixing pillar 67 is provided with a pillar groove 671, and the magnet 68 is disposed in the pillar groove 671, so as to effectively protect the magnet 68.

Preferably, in conjunction with fig. 2 and 3, the inner surface of the arm slot 63 is provided with an arm spring 631 for bouncing up the rotating arm 2, and the arm spring 631 is provided to bounce up the rotating arm 2 when the lock is unlocked, so that the rotating arm 2 can be more conveniently pulled up from the arm slot 63.

Further preferably, a horizontal spring post 632 is disposed on the inner surface of the pull arm groove 63, and the pull arm spring 631 is sleeved on the spring post 632, so as to better fix the pull arm spring 631 in the transverse direction and the vertical direction.

Preferably, in combination with fig. 2 and 3, the second end of the rotation arm 2 extends out of the handle 21 for being held by a human hand, and the extending direction is a transverse straight line.

Preferably, as shown in fig. 2, the inside of the handle 21 of the swing arm 2 is provided with a magnet 23 for facilitating the attraction of the swing arm 2 into the arm slot 63.

Preferably, as shown in fig. 3, the second end of the rotating arm 2 is provided with a key shaft hole 22 for receiving the key shaft 32.

Preferably, in combination with fig. 1, 2 and 3, the upper part of the lock case 1 is provided with a groove 11 for facilitating the finger of a human body to insert and lift the cover plate 7.

Preferably, the lower end of the cover plate 7 is hinged with the lock case 1, so that the cover plate 7 can be conveniently lifted from top to bottom from the upper end of the cover plate 7, and the cover plate 7 can be conveniently lifted by utilizing the self weight and gravity of the cover plate 7.

Based on above embodiment, the utility model discloses a lock core device, including lock core and motor element, motor element includes driving motor and carries out the locking block that removes by driving motor drive, and the lock core includes the spring bolt, and the spring bolt is including the block portion that is used for the block locking block to and be used for jack-up locking block and make the locking block break away from with the jack-up portion of block portion block. The lock cylinder device can realize mechanical unlocking of the key and unlocking of the motor, and has the advantages of small volume, high structural integration degree and less occupied space.

The above embodiments are only embodiments of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made in the specification and drawings or directly or indirectly applied to other related technical fields are included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a lock core device, its characterized in that includes lock core and motor element, motor element include driving motor and by the locking block that driving motor driven and moved, the lock core includes the spring bolt, the spring bolt is including being used for the block portion of locking block to and be used for the jack-up locking block just makes the locking block break away from with the jack-up portion of block portion block.

2. The lock cylinder assembly of claim 1, wherein the lock cylinder includes a key shaft for insertion and rotation with a key, the key shaft being rotatably coupled to the deadbolt.

3. The lock cylinder device according to claim 2, wherein the engaging portion is provided at an inner end portion of the knock-up portion, the engaging portion has a shape of a circular truncated cone having a mesa for engaging the lock block, and the knock-up portion has a shape of a tooth.

4. The lock cylinder arrangement of claim 3, wherein the generatrix of the truncated cone increases gradually from the inboard direction to the outboard direction.

5. The lock cylinder assembly of claim 4, wherein the liftout extends beyond an edge of the snap feature.

6. The lock core assembly according to any one of claims 1 to 5, wherein the locking block comprises a catch plate for engaging with the engaging portion, the catch plate having an arcuate edge for rotational jacking of the jacking portion.

7. The lock cylinder assembly of claim 6, wherein the arcuate rim has a rim height that decreases progressively in a direction of forward rotation of the liftout.

8. The lock cylinder arrangement according to claim 7, characterized in that the thickness of the arcuate rim is smaller than the thickness of the liftout in the inboard and outboard directions.

9. The lock core device according to claim 1, wherein the motor assembly is vertically arranged, the driving motor is rotatably connected with a long shaft, the long shaft passes through the locking block, the locking block is provided with an accommodating cavity for accommodating a part of the long shaft, an expansion spring sleeved and clamped with the long shaft is arranged in the accommodating cavity, and two ends of the expansion spring respectively abut against an upper wall and a lower wall in the accommodating cavity.

10. The lock cylinder assembly of claim 2, wherein the key shaft is removably connected to the locking bolt.

Images