CN211229840U - Mute intelligent lock body capable of delaying single-bolt rebounding - Google Patents

Abstract

A mute intelligent lock body capable of delaying single-bolt rebounding realizes a mute effect by delaying rebounding of a unidirectional inclined tongue part, wherein the unidirectional inclined tongue part comprises a unidirectional inclined tongue part and a linkage part, the linkage part comprises a clamping tooth part, and the clamping tooth part comprises sawtooth-shaped clamping teeth; the lock body comprises a limiting part, the limiting part comprises a limiting assembly controlled by the sub-lock part, a push-pull rod connected with the limiting assembly and the limiting shifting rod, a limiting shifting rod controlled by the limiting assembly or the handle part, and a guide block connected with the limiting shifting rod; the lock body also comprises a mute part, the mute part comprises a mute driving part and a mute limiting part, and the mute limiting part comprises a clamping vertex; when the handle part rotates, the handle part drives the limiting deflector rod and the mute driving part to rotate, the limiting deflector rod drives the guide block to relieve the limiting of the unidirectional oblique tongue part, the mute driving part contacts the limiting of the mute limiting part, and the mute limiting part moves to enable the clamping vertex to be clamped into the clamping teeth, so that the unidirectional oblique tongue part retracts into the shell part.

Description

Mute intelligent lock body capable of delaying single-bolt rebounding

Technical Field

The utility model relates to an intelligence lock body field especially relates to a silence intelligence lock body that postpones single spring bolt to kick-back.

Background

At present, the intelligence lock has become the common lock in furniture lock field, and its component of the intelligence lock of now common is made with metal material usually, when opening the door and closing the door, because of striking or friction between each part, all can the noise. With the increase of the consumption level of people, it is desirable to reduce the noise as much as possible in office places or home occasions.

In an actual scene, noise caused by impact is far higher than noise generated by friction, and a plurality of lock tongues with the door locking function can extend into the lock body when the door is opened, so that the door body is opened; when the door needs to be locked, the lock body is stretched out to stretch into a reserved lock hole in the door frame, and the door is locked. When the spring bolt stretches into the lockhole reserved on the door frame, the spring bolt can contact the door frame earlier, and then slide in the lockhole on the door frame, so the spring bolt can strike the door frame earlier, takes place a noise.

A patent with patent application number 201510818342.9, entitled "silent lock body", discloses a silent solution, in which the design of the lock catch and the lock tongue box is used to make the part where the latch tongue passes when locking and unlocking the door be plastic,

the friction noise generated by the contact between the metal and the metal is reduced, and the mute effect is realized; simultaneously through set up the plastics layer of making an uproar that falls in the spring bolt surface, become the contact between plastics with the contact between metal and the plastics, further reduce the noise.

However, in order to ensure quality, the components of the conventional smart lock are usually made of metal materials, and the smart lock is usually used for a home gate, so that the solution of the patent may cause quality risks due to the materials in practical use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem how compensate above-mentioned prior art's defect, provide a silence intelligence lock body that postpones single spring bolt to kick-back.

The technical problem of utility model can be solved through following technical scheme:

the utility model provides a silence intelligence lock body that delay single spring bolt kick-backs, kick-backs through delaying unilateral tongue portion and realizes the silence effect, and the lock body outside includes casing portion for the inside structure of parcel lock body, casing portion include side, lower casing and lid, and lower casing closes with the lid, and the side lies in the side of casing and lid down, and lock body is inside including sub-lock portion and main lock tongue portion, the lock body still includes handle portion.

The unidirectional oblique tongue portion comprises a unidirectional oblique tongue portion and a linkage portion, the linkage portion comprises a clamping tooth portion, and the clamping tooth portion comprises sawtooth-shaped clamping teeth.

The lock body comprises a limiting part, wherein the limiting part comprises a limiting assembly controlled by the sub-lock part, a push-pull rod connected with the limiting assembly and the limiting shifting rod, a limiting shifting rod controlled by the limiting assembly or the handle part, and a guide block connected with the limiting shifting rod.

The lock body further comprises a mute part, the mute part comprises a mute driving part and a mute limiting part, and the mute limiting part comprises a clamping vertex.

When the handle part rotates, the handle part drives the limiting deflector rod and the mute driving part to rotate, the limiting deflector rod drives the guide block to relieve the limiting of the unidirectional oblique tongue part, the mute driving part contacts the limiting of the mute limiting part, and the mute limiting part moves to enable the clamping vertex to be clamped into the clamping teeth, so that the unidirectional oblique tongue part retracts into the shell part.

Furthermore, the mute part also comprises a driving elastic body and a limiting elastic body, two ends of the driving elastic body are respectively connected with the mute driving part and the lower shell, and two ends of the limiting elastic body are respectively connected with the mute limiting part and the lower shell.

The elastomer tension of the driving elastomer is greater than that of the limiting elastomer.

Furthermore, the mute limit part comprises a limit connecting part and a limit clamping part; spacing connecting portion include connecting portion draw-in groove and connecting portion clearance, and spacing screens portion includes spacing draw-in groove and screens head.

The limiting clamping groove is clamped into the clamping groove of the connecting part, and the clamping head is clamped into the gap of the connecting part, so that the limiting connecting part and the limiting clamping part are connected integrally.

Further, the casing includes the silence reference column down, spacing connecting portion include the connecting portion accommodation hole of holding silence reference column, spacing screens portion includes the screens portion accommodation hole of holding silence reference column, the silence reference column passes connecting portion accommodation hole and screens portion accommodation hole, makes spacing connecting portion reach spacing screens portion uses the silence reference column to be coaxial synchronous revolution as the axle.

Furthermore, the mute driving part comprises a connecting side wall with a diameter larger than that of the driving elastic body and a driving elastic body accommodating part with a diameter smaller than that of the driving elastic body, and the driving elastic body is sleeved on the driving elastic body accommodating part and is positioned between the driving elastic body accommodating part and the side edge of the lower shell.

Spacing screens portion includes that the diameter is greater than spacing portion of the screens portion of spacing elastomer, and the diameter is less than spacing elastomer holding department of spacing elastomer, spacing elastomer cover is located on the spacing elastomer holding department, make spacing elastomer is located between spacing elastomer holding department and the lower casing side.

Furthermore, the mute driving part comprises a driving push rod extending downwards, and the top end of the driving push rod comprises the top of the driving push rod; the limiting connecting part comprises a connecting side wall; when the top of the driving push rod presses the connecting side wall, the mute limiting part is limited, the limiting elastic body is compressed, and the clamping vertex can not be clamped into the clamping teeth.

Further, the mute driving part comprises a driving part, wherein the driving part comprises a driving part upper peak, a driving part lower peak and a driving part groove which is positioned between the driving part upper peak and the driving part lower peak and is inwards concave; the limiting deflector rod comprises a handle connecting part which has the same shape with the driving part.

When the handle part rotates, the handle part drives the driving part to synchronously rotate with the handle connecting part.

Further, the lower shell comprises a limiting deflector rod positioning column; the mute driving part comprises a driving head part, and the driving head part comprises a head accommodating hole for accommodating the positioning column of the limiting deflector rod; the limiting deflector rod comprises a fixing hole for accommodating the limiting deflector rod positioning column; the limiting deflector rod positioning column penetrates through the head containing hole and the fixing hole, so that the mute driving part and the limiting deflector rod coaxially and synchronously rotate by taking the limiting deflector rod positioning column as an axis.

Further, the mute driving part comprises a mute driving part upper piece and a mute driving part lower piece which are completely the same in shape, and the side thicknesses of the mute driving part upper piece and the mute driving part lower piece are the side walls of the mute driving part.

The limiting deflector rod comprises an upper limiting deflector rod piece and a lower limiting deflector rod piece which are completely the same in shape, and the side thickness of the upper limiting deflector rod piece and the lower limiting deflector rod piece is the side wall of the limiting deflector rod.

The handle part comprises two handle pushing pieces with the same shape, and the side edge thickness of each handle pushing piece is a pushing side wall.

The pushing side wall is larger than or equal to the sum of the side wall of the mute driving part and the side wall of the limiting deflector rod.

Further, the clamping tooth part comprises a clamping tooth side wall which is slightly concave towards the inner side of the clamping tooth part and is of an arc curvature; the latch lateral wall avoids when the screens summit is located the latch lateral wall, the screens summit can't remove and by spacing.

Compared with the prior art, the beneficial effect that this patent reaches is:

1. the mute intelligent lock body of the utility model has the advantages that the single lock tongue can avoid impacting the edge of the door frame when the door is opened through the delay device, so as to realize the mute of the lock body;

2. silence intelligence lock body, delay unit can both reach the effect of silence under the realization different schemes through handle or motor control.

Drawings

Fig. 1 is a schematic structural view of the lock body of the present invention when locking a door;

fig. 2 is an exploded view of the overall structure of the lock body of the present invention;

fig. 3 is a schematic view of the appearance of the latch bolt of the lock body of the present invention;

fig. 4 is a schematic view of the lock body of the present invention after the latch bolt portion and the linkage portion are connected;

fig. 5 is an external view of the silent driving part of the lock body according to the present invention;

fig. 6 is an external view of the lock body of the present invention at another angle of the silent driving;

fig. 7 is an external view of the silence limiting portion of the lock body of the present invention;

fig. 8 is an appearance schematic diagram of another angle of the silence limiting part of the lock body of the present invention;

fig. 9 is an external view of the limit connection portion of the lock body of the present invention;

fig. 10 is an external view of another angle of the spacing connection portion of the lock body according to the present invention;

fig. 11 is an external view of the position-limiting and locking portion of the lock body of the present invention;

fig. 12 is a side view of a part of the lock body of the present invention;

fig. 13 is a schematic structural view of the lock body according to the present invention when the main tongue portion is unlocked;

fig. 14 is a schematic structural view of the lock body according to the present invention when the main tongue portion is unlocked and the handle is pressed;

fig. 15 is a schematic side view of the lock body according to the present invention, when the main tongue portion is unlocked and the handle is pressed;

fig. 16 is a schematic structural view of the lock body according to the present invention when the main tongue portion is unlocked and the handle is pressed to push the door;

fig. 17 is a schematic side view of the lock body according to the present invention, when the main tongue portion is unlocked and the handle is pressed to push the door.

Reference numerals in the figures

A unidirectional inclined tongue portion 1, a unidirectional inclined tongue portion 11, a telescopic portion 111, a plane 1111, an inclined surface 1112, a rotating portion 112, a shoulder portion 1121, a head clamping groove 1122, a shaft groove 1123, a linkage receiving groove 1124, a linkage portion 12, a shaft rod 121, a first guide protrusion 122, an elastic body receiving hole 123, a clamping tooth portion 124, a clamping tooth 1241, a clamping tooth side wall 1242, a clamping tooth clearance 1243, a first elastic body 13, a sub-locking portion 2, a handle portion 3, a handle pushing member 31, a pushing side wall 31h, a limiting portion, a limiting component 41, a push-pull rod 42, a limiting deflector rod 43, a deflector rod 431, a fixing hole 432, a handle connecting portion 433, a limiting upper portion 43A, a limiting deflector rod lower portion limiting deflector rod 43B, a limiting deflector rod side wall 43h, a guide block 44, a clamping protrusion 441, a second guide protrusion 442, a deflector rod groove 443, a housing portion, a side edge 51, a unidirectional inclined hole 511, a sub-locking hole 512, a main spring bolt hole 513, a lower housing, A position-limiting lever positioning post 53, a position-limiting lever baffle 54, a first elastic body accommodating protrusion 541, an elastic body baffle wall 542, a baffle clearance 543, a mute positioning post 55, a housing fixing member 56, a mute section, a mute driving section 61, a mute driving section upper piece 61A, a mute driving section lower piece 61B, a mute driving section connecting piece 61C, a mute driving section side wall 61h, a driving head 611, a head accommodating hole 6111, a driving section clearance 612, a driving push rod 613, a driving push rod top 6131, a driving section 614, a driving section upper vertex 6141, a driving section lower vertex 6142, a driving section groove 6143, a connecting side wall 615, a driving elastic body accommodating part 616, a driving section lower clearance 617, a driving section upper clearance 618, a driving elastic body 62, a mute position-limiting part 63, a position-limiting connecting part 631, a connecting part accommodating hole 6311, a connecting part clearance groove 6312, a connecting side wall 6313, a connecting part clamping groove 6314, a connecting part gap 6315, a, The connecting part upper piece 631A, the connecting part lower piece 631B, the connecting part connecting piece 631C, the limiting clamping part 632, a clamping part accommodating hole 6321, a clamping vertex 6322, a clamping part limiting part 6323, a limiting clamping groove 6324, a clamping head 6325, a limiting elastic body accommodating part 6326, a limiting elastic body 64, a main tongue locking portion 7, a motor 8 and a motor gear 81.

Detailed Description

The present invention will be further described below based on preferred embodiments with reference to the accompanying drawings.

In addition, for convenience of understanding, various components on the drawings are enlarged (thick) or reduced (thin), but this is not intended to limit the scope of the present invention.

The singular forms "a", "an", and "the" include plural referents and vice versa

In the description of the embodiments of the present invention, it should be noted that, if the terms "upper", "lower", "inner", "outer", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, or the orientation or position relationship that the products of the present invention are usually placed when using, the description is only for convenience of description and simplification, but the indication or suggestion that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be interpreted as limiting the present invention. Furthermore, in the description of the present invention, the terms first, second, etc. are used herein to distinguish between different elements, but these should not be limited by the order of manufacture or construed to indicate or imply relative importance, and their names may differ between the detailed description of the invention and the claims.

The words used in this specification are words of description used in describing embodiments of the invention, but are not intended to limit the invention. It is also to be understood that, unless otherwise expressly stated or limited, the terms "disposed," "connected," and "connected" are intended to be open-ended, i.e., may be fixedly connected, detachably connected, or integrally connected; they may be mechanically coupled, directly coupled, indirectly coupled through intervening media, or may be interconnected between two elements. The above-mentioned meaning belonging to the present invention is specifically understood by those skilled in the art.

Please refer to fig. 1 and fig. 2, a silence intelligence lock body of delaying single-lock tongue resilience, realize the silence effect through delaying single-lock tongue resilience, the lock body outside includes casing portion for the inside structure of parcel lock body, casing portion includes side 51, casing 52 and lid down, casing 52 closes with the lid down, side 51 is located the side of casing 52 and lid down, in order to show more in the description drawing lock body inner structure, the lid has been omitted, nevertheless do not influence the understanding to the lid in this application.

The side 51 includes a plurality of hole sites for the bolt inside the lock body to extend out of the lock body and cooperate with the doorframe to achieve the door locking effect.

The housing further includes a housing fixing member 56 for fixing the cover and the lower housing 52, the lower housing 52 includes a housing fixing member receiving hole 521 for receiving the fixing member 56, and the fixing member 56 is located between the cover and the housing fixing member receiving hole 521 of the lower housing 52, and can connect the cover and the lower housing 52.

The lock body comprises a main lock tongue portion 7 which plays a main role in locking the door, a sub lock portion 2 used for sensing the opening and closing of the door body, a unidirectional oblique tongue portion 1 controlled by the sub lock portion 2 and a handle portion 3, and the handle portion 3 connected with the handle and controlled by a motor 8, so that the sub lock portion 2 and the handle portion 3 control a limiting portion of the unidirectional oblique tongue portion 1, and the handle portion 3 controls a mute portion for limiting the unidirectional oblique tongue portion 1.

The main bolt portion 7, the unidirectional inclined tongue portion 1 and the sub lock portion 2 can extend out of the shell portion of the lock body, the side 51 of the shell portion comprises a main bolt hole 513 enabling the main bolt portion 7 to extend out, a unidirectional inclined tongue hole 511 enabling the unidirectional inclined tongue portion 1 to extend out and a sub lock hole 512 enabling the sub lock portion 2 to extend out, after the main bolt portion 7 and the unidirectional inclined tongue portion 1 extend out of the side 51, the main bolt portion and the unidirectional inclined tongue portion can enter a preset containing hole position on a door frame, and when the main bolt portion 7 extends into the containing hole position, the lock body can lock a lock door.

Referring to fig. 1-2 and 13-16, the motor 8 is located inside the lock body and fixed on the lower housing 52, the motor 8 is connected with the motor gear 81, and when the lock body receives an external signal to be unlocked, the motor 8 can drive the handle portion 3 and the main latch portion 7 to unlock the lock body.

Referring to fig. 1-2, the sub-lock 2 in the present application is identical to the "single-bolt 2" described in the patent application No. 201810568644.9, which has been filed by the applicant under the name of "a smart lock body with double bolts capable of limiting position", and its main function and structural arrangement are the same. When the lock body is in a door locking state, the sub-lock part 2 is retracted inwards to the inner side of the shell part 1 under the pressure of the doorframe, and when the lock body leaves the doorframe, the sub-lock part 2 can directly extend out of the shell part 1 without the limitation of external pressure.

Referring to fig. 1 and 2, the handle portion 3 includes a plurality of handle pushing members 31, the handle pushing members 31 can be controlled by the handle and the motor 8 to rotate, and the handle pushing members 31 are located inside the housing portion 1. When the handle rotates, the handle can drive the square rod structure inside the handle pushing piece 31, so that the handle pushing piece 31 rotates by taking the square rod structure at the center as an axis; after the motor 8 receives the command, the motor 8 drives the motor gear 81 to drive the component connected with the battery gear 81 to move, and finally drives the handle pushing piece 31 to perform the same action as that of the handle during rotation. The square rod structure is not explicitly indicated in the application and the drawings of the specification, but the square rod structure and the function thereof can be clearly understood through the drawings.

Referring to fig. 1 to 2 and 12 to 16, the limiting portion includes a limiting assembly 41 controlled by the sub-lock portion 2, and a limiting shift lever 43 fixed to the lower housing 52, the limiting assembly 41 and the limiting shift lever 43 are connected by a push-pull rod 42, so that when the sub-lock portion 2 moves, the limiting assembly 41 can drive the limiting shift lever 43 to move through the push-pull rod 42, and the limiting shift lever 43 can also move under the drive of the handle pushing member 31.

The limiting part further comprises a guide block 44, the guide block 44 is connected with the limiting shifting rod 43, and when the limiting shifting rod 43 moves, the guide block 44 can be driven to move synchronously.

The limiting shifting lever 43 comprises an upper limiting shifting lever piece 43A and a lower limiting shifting lever piece 43B which are identical in shape, and the upper limiting shifting lever piece 43A and the lower limiting shifting lever piece 43B are fixedly connected through a cylinder, so that the upper limiting shifting lever piece 43A and the lower limiting shifting lever piece 43B are integrally arranged.

The upper limiting deflector rod piece 43A and the lower limiting deflector rod piece 43B both include a deflector rod head 431 for connecting with the guide block 44 and a fixing hole 432 for accommodating the limiting deflector rod positioning post 53 of the lower housing 52, and after connection, the limiting deflector rod fixing post 53 passes through the fixing hole 432, so that the whole limiting deflector rod 43 can rotate by taking the limiting deflector rod fixing post 53 as a rotation center.

The principle that the limiting component 41 drives the limiting shift lever 43 to rotate by taking the fixed column 53 as a rotation center through the push-pull rod 42 is not described in detail in the present application, and the structure and the principle of each part of the limiting component are described in the patent names of "an intelligent lock body capable of limiting double-bolt", the patent application No. 201810568644.9, and "an intelligent lock body capable of limiting single-bolt and automatically opening a door", the patent application No. 201920364563.7, which are applied by the applicant, and are not described herein again.

Referring to fig. 1 to 4, the unidirectional inclined tongue portion 1 includes a unidirectional inclined tongue portion 1 including a unidirectional inclined tongue portion 11, a linking portion 12 movably connected to the unidirectional inclined tongue portion 11, and a first elastic body 13.

The monoclinic tongue portion 11 includes a telescopic portion 111 and a rotating portion 112.

The extension part 111 includes a plane 1111 perpendicular to the one-way latch hole 511 when locking the door, and an inclined plane 1112 forming a certain angle with the plane 1111.

The rotating portion 112 includes a shoulder portion 1121 whose length and width are larger than those of the one-way latch hole 511, and a linking member accommodating groove 1124 for accommodating the linking portion 12, wherein a head engaging groove 1122 is formed on the shoulder portion 1121, and a shaft groove 1123 is formed at the top end of the head engaging groove 1122.

The linking part 12 includes a shaft 121 received in the shaft groove 1123, a first guide protrusion 122 received in a first guide groove (not numbered) of the lower case 52 and the cover, a spring receiving hole 123 for receiving the first elastic body 13, and a tooth part 124 engaged with the mute part.

The latch portion 124 is fixed to one side of the linking portion 12, and specifically, the latch portion 124 is adjacent to the spring accommodating hole 123 and located on one side of the spring accommodating hole 123 far from the main latch portion.

After connection, the monoclinic tongue 11 can rotate about the shaft 121.

The length of the first guide groove is greater than that of the first guide protrusion 122, and the widths of the first guide groove and the first guide protrusion 122 are the same, when the first guide protrusion 122 slides in the first guide groove, the linkage portion 12 can only move linearly in the length direction of the first guide groove, that is, the linkage portion 12 can only move linearly in the direction perpendicular to the unidirectional oblique tongue hole 511.

One end of the first elastic body 13 is accommodated in the spring accommodating hole 123, and the other end of the first elastic body is in contact with the limit deflector rod baffle 54, and the limit deflector rod baffle 54 is provided with a first elastic body accommodating protrusion 541 which is used for preventing the first elastic body 13 from moving and has a diameter smaller than that of the first elastic body 13. Because the position-limiting deflector rod baffle 54 is located on the lower shell 52 and extends into the cover plate and then fixed in the shell, under the natural tension of the first elastic body 13, the first elastic body 13 always has a force which makes the linkage part 12 and the single inclined tongue part 11 movably connected with the linkage part 12 far away from the shell, and because the linkage part 12 can only do linear motion in the direction perpendicular to the single inclined tongue hole 511, the tension of the first elastic body 13 makes the linkage part 12 and the single inclined tongue part 11 always have a shell extending force in the direction perpendicular to the single inclined tongue hole 511.

The guide block 44 is provided with a locking protrusion 441 capable of being inserted into the head slot 1122, a second guide protrusion 442 received in a second guide groove (not numbered) of the lower housing 52 and the cover, and a lever slot 443 for receiving the lever head 411.

The utility model discloses in, driving lever head 411 and driving lever groove 443 fixed connection. Therefore, the guide block 44 is fixedly connected with the limit shift lever 43, and when the limit shift lever 43 rotates, the guide block 44 rotates along with the limit shift lever.

The length of the second guide groove is greater than that of the second guide protrusion 442, and the widths of the second guide groove and the second guide protrusion are the same, so that when the second guide protrusion 442 slides in the second guide groove, the guide block 44 can only move linearly in the length direction of the second guide groove, that is, the guide block 44 can only move linearly in the direction perpendicular to the unidirectional oblique tongue hole 511.

In a natural state, the natural tension of the first elastic body 13 keeps the monocline tongue 11 and the interlocking part 2 away from the housing, the telescopic part 111 extends out of the unidirectional monocline tongue hole 511, and the shoulder 1121 is clamped inside the unidirectional monocline tongue hole 511.

In the door locking state, the limiting shift lever 41 drives the guide block 44 to move, the locking protrusion 441 is locked in the head slot 1122 of the rotating portion 112, and at this time, the rotating portion 112 cannot rotate and cannot move in the housing, and the monocline tongue portion 11 is limited to lock the door.

When the door needs to be opened, the limiting shift lever 41 is driven by an external force to rotate clockwise, the guide block 44 moves upwards along with the limiting shift lever to leave the head clamping groove 1122, at this time, the limiting of the single inclined tongue portion 11 disappears, and the single inclined tongue portion 11 retracts towards the inside of the shell under the tension action of the first elastic body 13.

When the single inclined tongue portion 11 is retracted into the housing, the single inclined tongue portion 11 can rotate in both front and rear directions with the shaft rod 121 as an axis and the shoulder portion 1121 as a fulcrum, so that the door can be opened regardless of which direction the door is pulled.

At this time, the single-inclined tongue portion 11 rotates to drive the linkage portion 12 to press the first elastic body 13, and under the action of the second guide protrusion 442, the single-inclined tongue portion 11 can only retract into the housing in the direction perpendicular to the single-inclined tongue hole 511, and can completely retract into the housing, and the door can be opened.

Referring to fig. 2 to 12, the mute section includes a mute driving section 61 fixed to the lower case 52 and connected to the position-limiting lever 43, a driving elastic body 62 connected to the mute driving section 61, a mute position-limiting section 63 fixed to the lower case 52, and a position-limiting elastic body 64 connected to the mute position-limiting section 63.

Referring to fig. 2, 5 to 6, and 12, the mute driving section 61 includes a mute driving section upper piece 61A and a mute driving section lower piece 61B having the same shape, the mute driving section upper piece 61A and the mute driving section lower piece 61B are connected by a mute driving section connecting piece 61C, and after the connection, the distance between the mute driving section upper piece 61A and the mute driving section lower piece 61B is the width of the mute driving section connecting piece 61C. After assembly, the limiting shift lever 43 is located on two sides of the upper mute drive part piece 61A and the lower mute drive part piece 61B, that is, the upper limiting shift lever piece 43A and the lower limiting shift lever piece 43B are located on the outer sides of the upper mute drive part piece 61A and the lower mute drive part piece 61B, respectively, the upper limiting shift lever piece 43A contacts with the upper mute drive part piece 61A, and the lower limiting shift lever piece 43B contacts with the lower mute drive part piece 61B.

Of course, on the premise of achieving the same effect as the present application, the assembly of the limiting shift lever upper piece 43A and the limiting shift lever lower piece limiting shift lever 43B inside the mute driving portion upper piece 61A and the mute driving portion lower piece 61B is also within the protection range of the present application, and the present application is not repeated again.

The upper silent driving part piece 61A and the lower silent driving part piece 61B include a driving head 611 for connecting with the lower housing 51, a driving part clearance 612 for avoiding contact with the toggle lever stopper 54, and a driving rod 613 for contacting with the silent limiting part 63. A driving part 614 which has the same shape as the handle connecting part 433 of the position-limiting shift lever 43 and is controlled by the handle pushing part 31, a driving part lower clearance 617 for avoiding partial structure contact with the lower shell 52, and a driving part upper clearance 618 for avoiding partial structure contact with the handle pushing part 31.

The mute driving part connecting piece 61C includes a connecting sidewall 615, and a driving elastic body receiving portion 616 located at the lower side of the connecting sidewall 615 for connecting the driving elastic body 62.

The driving head 611 includes a head accommodating hole 6111, the head accommodating hole 6111 is used for accommodating the limiting deflector rod positioning post 53 to pass through, and after assembly, the mute driving part 61 rotates around the limiting deflector rod positioning post 53 as a rotation center under the action of external force.

The driving-unit clearance 612 is recessed into the mute driving unit 61 and has a smooth hole shape, so that when the mute driving unit 61 rotates, the driving-unit clearance 612 can prevent the mute driving unit 61 from contacting the shift lever stopper 54, and a sufficient rotation space is provided.

Similarly, the driving portion lower clearance 617 is also recessed into the mute driving portion 61, and the recess is used to prevent the mute driving portion 61 from contacting the housing fixing member 56 when rotating, and the driving portion upper clearance 618 is also recessed into the mute driving portion 61, and the recess is used to prevent the mute driving portion 61 from unnecessarily contacting a part of the structure of the handle pushing portion 31 when rotating, so as to reserve a sufficient rotating space for the handle pushing portion 31.

The driving push rod 613 is located below the driving head 611 and is inclined towards the direction of the unidirectional tongue locking portion 1, the driving push rod 613 is in a long strip shape, the edge of the driving push rod 613 comprises a driving push rod top 6131, the driving push rod top 6131 is in a smooth top, and the driving push rod top 6131 can press the silence limiting portion 63. When the handle pushing part 31 does not apply an external force to the mute driving part 61, the top 6131 of the driving push rod is in contact with the mute limiting part 63, and the mute limiting part 63 is pressed; when the handle pushing portion 31 applies an external force to the mute driving portion 61, the sidewall of the main body of the driving push rod 613 contacts the mute limit portion 63, the pressing limit of the top 6131 of the driving push rod on the mute limit portion 63 disappears, and the mute limit portion 63 changes its position.

The driver 614 is located at the right side of the driving head 611 and has a shape completely corresponding to the handle connecting portion 433, and the driver 614 includes an upper driver vertex 6141 located at the upper side of the driver 614, a lower driver vertex 6142 located at the lower side of the driver 614, and a driver groove 6143 located between the upper driver vertex 6141 and the lower driver vertex 6142 and recessed inward. The upper vertex 6141 of the driving part, the lower vertex 6142 of the driving part, and the groove 6143 of the driving part are smoothly curved, so that when the handle pushing part 31 presses and drives the mute driving part 61 to rotate, the handle pushing part 31 can fall into the groove 6143 of the driving part to achieve better pushing hand feeling, and meanwhile, the handle pushing part 31 is prevented from being difficult to press and drive the mute driving part 61 to rotate.

When the handle pushing portion 31 contacts the mute driving portion 61 under the action of an external force, the handle pushing portion 31 directly slides into the pressing driving groove 6143, and drives the mute driving portion 61 to rotate.

The connecting sidewall 615 is located at the side of the mute driving part connecting piece 61C, i.e., the upper mute driving part piece 61A and the lower mute driving part piece 61B, and the lower side of the connecting sidewall 615 includes a driving elastic body accommodating portion 616 with a width smaller than that of the connecting sidewall 615.

The diameter of the driving elastic body 62 is smaller than the width of the driving side wall 615 and larger than the width of the driving elastic body accommodating portion 616, so that the driving elastic body 62 can be sleeved on the driving elastic body accommodating portion 616 and limited by the driving side wall 615.

In this embodiment, the driving elastic body accommodating portion 616 is rectangular, and the shape of the driving elastic body accommodating portion 616 is not limited as long as the driving elastic body 62 can be sleeved on the driving elastic body accommodating portion 616.

One end of the driving elastic body 62 is sleeved on the driving elastic body accommodating part 616, and the other end of the driving elastic body directly contacts with the lower shell 52 and contacts with the side wall of the lower shell 52, because the mute driving part 61 is close to the side wall of the lower shell 52, and the mute driving part connecting sheet 61C is close to and perpendicular to the side wall of the lower shell 52 which contacts with the other end of the driving elastic body 62, the driving elastic body 62 cannot slide out of the side wall of the lower shell 52 in an inclined manner. Under the action of the tension of the driving elastic body 62, the force for keeping the driving elastic body accommodating part 616 away from the side wall of the lower shell 52 always exists, so that the mute driving part 61 always has the force for keeping the driving elastic body accommodating part 616 away from the side wall of the lower shell 52, and the position of the mute driving part 61 is kept fixed under the action of no external force.

The side thickness of the upper silent driving part piece 61A and the lower silent driving part piece 61B is the side wall 61h of the silent driving part, the shape of the handle connecting part 433 of the limiting shift lever 43 is the same as the shape of the driving part 614 of the upper silent driving part piece 61A and the lower silent driving part piece 61B, the side thickness of the handle connecting part 433 is the side wall 43h of the limiting shift lever, and the side thickness of the handle pushing part 31 is the pushing side wall 31 h. As can be seen from fig. 12, taking one side as an example, the pushing side wall 31h is greater than or equal to the sum of the mute driving portion side wall 61h and the limit lever side wall 43h, so that when the handle portion 3 drives the handle pushing portion 31 to rotate, the handle pushing portion 31 can push the mute driving portion 61 and the limit lever 43 to move simultaneously, and the mute driving portion 61 and the limit lever 43 both use the limit lever positioning column 53 as a rotation axis, so that the mute driving portion 61 and the limit lever 43 can synchronously rotate at the same angle under the action of the handle pushing portion 31.

Referring to fig. 1 to 2 and 7 to 11, the mute limit portion 63 is located below the linking portion 12 and the mute driving portion 61, the mute limit portion 63 is fixed to the lower housing 52, the lower housing 52 includes the mute positioning post 55, and the mute positioning post 55 passes through the mute limit portion 63, so that the mute limit portion 63 can rotate around the mute positioning post 55 as a rotation axis under an external force.

The silence limiting part 63 is controlled by the silence driving part 61, and meanwhile, the silence limiting part 63 limits the unidirectional inclined tongue part 1 through the limiting latch part 124.

The silence limit portion 63 includes a limit connection portion 631 and a limit clamping portion 632 connected thereto, which are matched to form the complete silence limit portion 63.

Spacing connecting portion 631 includes connecting portion upper blade 631A and the lower piece 631B of connecting portion that the shape is identical, and connecting portion upper blade 631A and the lower piece 631B of connecting portion are connected through connecting portion connection piece 631, connect the back, and connecting portion upper blade 631A is closed with one side that connecting portion lower piece 631B passes through connecting portion connection piece 631C and is connected, and the other side that does not connect leaves the gap promptly connecting portion clearance 6315.

The upper connecting part 631A and the lower connecting part 631B include connecting part receiving holes 6311 for receiving the mute positioning pillars 55, so that the mute positioning pillars 55 can pass through the connecting part receiving holes 6311 to fix the limiting connecting parts 631 to the lower case 52; a connection part clearance groove 6312 is also included.

The connecting portion connecting piece 631C includes a connecting side wall 6313, the connecting side wall 6313 includes a connecting portion locking groove 6314, and the connecting portion locking groove 6314 is recessed toward the connecting side wall 6313.

The limiting positioning portion 632 is in a sheet shape, the thickness of the limiting positioning portion is the same as that of the connecting portion gap 6315, and after the limiting positioning portion 632 is connected, the positioning head 6325 is positioned in the connecting portion gap 6315.

The limiting latching portion 632 includes a latching portion receiving hole 6321 for receiving the mute positioning column 55, so that the mute positioning column 55 can pass through the latching portion receiving hole 6321 to fix the limiting latching portion 632 to the lower casing 52, and the latching portion receiving hole 6321 is coaxial with the connecting portion receiving hole 6311, i.e. simultaneously receives the mute positioning column 55 to pass through, so that the limiting latching portion 632 and the limiting connecting portion 631 rotate at the same center.

The position-limiting latching portion 632 further includes a latching vertex 6322 contacting the latching portion 124, and when the latching vertex 6322 is latched into the latching portion 124, the unidirectional inclined tongue portion 1 is limited to prevent the unidirectional inclined tongue portion 1 from extending out of the housing portion.

Spacing screens portion 632 still includes spacing portion 6323 of screens portion, and spacing portion 6323 of screens portion and screens summit 6322 include to the inside spacing draw-in groove 6324 that caves in of spacing screens portion 632, connects the back, and spacing draw-in groove 6324 cooperatees with connecting portion draw-in groove 6314 for in connecting lateral wall 6313 card income spacing draw-in groove 6324, form the integration setting with spacing screens portion 632 and spacing connecting portion 631.

The lower side of the positioning portion 6323 includes a positioning elastic body receiving portion 6326, and the positioning elastic body receiving portion 6326 can receive the positioning elastic body 64 and is sleeved on the positioning elastic body receiving portion 6326.

The diameter of the limiting elastic body 64 is smaller than the width of the limiting part 6323 of the clamping part and larger than the width of the limiting elastic body accommodating part 6326, so that the limiting elastic body 64 can be sleeved on the limiting elastic body accommodating part 6326 and is limited by the limiting part 6323 of the clamping part.

In this embodiment, the position-limiting elastic body receiving portion 6326 is rectangular, and the shape of the position-limiting elastic body receiving portion 6326 is not limited as long as the driving position-limiting elastic body 64 can be sleeved on the position-limiting elastic body receiving portion 6326.

One end of the driving limiting elastic body 64 is sleeved on the limiting elastic body accommodating part 6326, the other end of the driving limiting elastic body directly contacts with the lower shell 52 and contacts with the side wall of the lower shell 52, the mute positioning column 55 is located on the upper side of the side wall of the lower shell 52 and is close to the side wall of the lower shell 52, and the connecting part connecting piece 631C is close to and perpendicular to the side wall of the lower shell 52 which contacts with the other end of the driving limiting elastic body 64, so that the driving limiting elastic body 64 cannot obliquely slide out of the side wall. Under the action of the self tension, the driving limiting elastic body 64 always has the force of keeping the limiting elastic body accommodating part 6326 away from the side wall of the lower shell 52, so that the limiting clamping part 632 always has the force of keeping the limiting elastic body accommodating part 6326 away from the side wall of the lower shell 52, and the position of the limiting clamping part 632 is kept fixed under the action of no external force.

Meanwhile, the limiting clamping groove 6324 is clamped in the connecting portion clamping groove 6314, and the clamping head 6325 is clamped in the connecting portion gap 6315, so that the limiting clamping portion 632 and the limiting connecting portion 631 are clamped to be integrally arranged, and after the connection, the connecting portion accommodating hole 6311 and the clamping portion accommodating hole 6321 are coaxial, so that the whole mute limiting portion 63 rotates around the mute positioning column 55 as an axis and is under the tension action of the driving limiting elastic body 64.

Referring to fig. 1-2 and fig. 4, the latch portion 124 is located at one side of the linkage portion 12, and the latch portion 124 includes a latch 1241 contacting the latch vertex 6322, a latch sidewall 1242 located at one end of the latch portion 124 away from the monoclinic tongue portion 11, and a latch clearance 1243 in an arc shape.

The latch clearance 1243 is arc-shaped, and the radian thereof is matched with the first elastic body 13, so that the first elastic body 13 can be smoothly accommodated in the elastic body accommodating hole 123.

The latch side wall 1242 is located at the end of the latch portion 124, and is slightly recessed toward the inner side of the latch portion 124, and is of an arc curvature, so as to avoid being limited when the retaining vertex 6322 is located on the latch side wall 1242.

The latch 1241 comprises a plurality of latch protrusions, the tops of the protrusions are sharp, so that the latch vertex 6322 can be clamped into the protrusions to achieve a limiting function, and when the latch 1241 is clamped upwards by the latch vertex 6322 under the action of external force, the latch 1241 stops moving, and then the unidirectional inclined tongue portion 1 stops moving.

The elastic force of the driving elastic body 62 is greater than that of the limiting elastic body 64, so that when no other external force acts, the top 6131 of the driving push rod of the mute driving part 61 presses the connecting side wall 6313 to prevent the clamping vertex 6322 from being clamped into the latch 1241; when the mute driving part 61 is pressed by the handle pushing part 31, the driving elastic body 62 is compressed, the top 6131 of the driving push rod of the mute driving part 61 presses the connecting side wall 6313, the limiting elastic body 64 jacks up the mute limiting part 63 under the action of tension, and the clamping vertex 6322 is clamped in the latch 1241.

Referring to fig. 2, the position-limiting lever stopper 54 further includes an elastic body stopper wall 542 for completely accommodating the first elastic body 13 in the position-limiting lever stopper 54 and a stopper clearance 543 recessed toward the inner side of the position-limiting lever stopper 54 in order to extend the latch portion 124 rearward.

The baffle clearance 543 enables the latch part 124 to extend backwards through the limit lever baffle 54, and the baffle clearance 543 is matched with the latch part 124.

Referring to fig. 1 to fig. 2, fig. 13 to fig. 17, the working principle of each part of the silent intelligent lock body of the present application is further explained below with reference to the drawings of the specification.

Fig. 1 shows the states of the parts when the lock body locks the door, at this time, the main lock tongue portion 7 and the unidirectional inclined tongue portion 1 extend out of the side 51, and the sub-lock portion 2 is shielded by the door frame, does not extend out of the side 51, and retracts into the housing portion.

Under the action of the limiting assembly 41, the push-pull rod 42 drives the limiting shift lever 43 to press the limiting shift lever 43 downwards, so that the guide block 44 extends into the axial groove 1123 of the unidirectional oblique tongue portion 1, and the unidirectional oblique tongue portion 1 is limited.

At this time, the mute driving unit 61 has no other external force, the driving elastic body 62 keeps the mute driving unit 61 in a state of pressing the connection side wall 6313 of the mute stopper 63 with the stopper lever positioning column 53 as an axis under tension, and the mute stopper 63 is pressed because the elastic force of the driving elastic body 62 is larger than that of the stopper elastic body 64, and the lock vertex 6322 does not contact the latch 124.

Fig. 13 shows a state in which the main latch portion 7 of the lock body has been retracted into the housing portion by the motor 8, and at this time, the unidirectional inclined latch portion 1 still extends out of the side 51, and the sub-lock portion 2 is still shielded by the door frame, and does not extend out of the side 51 and is retracted into the housing portion.

Under the action of the limiting assembly 41, the push-pull rod 42 drives the limiting shift lever 43 to press the limiting shift lever 43 downwards, so that the guide block 44 extends into the axial groove 1123 of the unidirectional oblique tongue portion 1, and the unidirectional oblique tongue portion 1 is limited.

At this time, the mute driving unit 61 has no other external force, the driving elastic body 62 keeps the mute driving unit 61 in a state of pressing the connection side wall 6313 of the mute stopper 63 with the stopper lever positioning column 53 as an axis under tension, and the mute stopper 63 is pressed because the elastic force of the driving elastic body 62 is larger than that of the stopper elastic body 64, and the lock vertex 6322 does not contact the latch 124.

Fig. 14 to 15 show a state when the main latch portion 7 is unlocked and the handle portion 3 is pressed, at this time, the handle portion 3 is driven by the handle to rotate, the handle pushing member 31 contacts and presses the driving-portion groove 6143, so that the mute driving portion 61 rotates clockwise about the mute positioning post 53 as an axis, and further presses the driving elastic body 62, at this time, the driving push rod top portion 6131 of the driving push rod 613 stops pressing the connection side wall 6313, the mute limiting portion 63 rotates counterclockwise about the mute positioning post 55 as an axis under the tension of the limiting elastic body 64, the clipping vertex 6322 of the mute limiting portion 63 is pushed up, and the clipping vertex 6322 enters the clipping side wall 1242 of the clipping portion 124.

Fig. 16 to 17 show the state of the lock body when the main latch portion 7 is unlocked and the handle portion 7 is pressed to push the door, at this time, the sub-lock portion 2 is on the side 51 of the housing portion without the blocking of the door frame, so that the limit assembly 41 drives the push-pull rod 42 to lift the limit shift lever 43 up with the limit shift lever positioning post 53 as the axial direction, the limit of the guide block 44 to the unidirectional latch portion 1 is cancelled, the unidirectional latch portion 1 can be retracted into the housing portion, when the door is pushed, the unidirectional latch portion 1 can be retracted into the housing portion under the action of the edge of the door frame, when the unidirectional latch portion 1 slides in an inward retracting manner, the latch vertex 6322 is snapped into the latch 1241 of the latch portion 124, and the unidirectional latch portion 1 is limited, so that the unidirectional latch portion 1 is fixed and retracted into the housing portion and does not extend out of the housing portion any.

At the moment, the door body is pushed open, that is, the door can be opened, at the moment, the clamping vertex 6322 limits the one-way latch portion 1, when the door is opened to the edge of the doorframe, the one-way latch portion 11 cannot contact the edge of the doorframe, that is, the one-way latch portion 11 cannot generate the sound of striking the doorframe, so that the mute effect is realized.

The detailed description of the embodiments of the present invention has been presented, and it will be apparent to those skilled in the art that the present invention can be modified and modified without departing from the principles of the present invention, and the modifications and modifications also belong to the protection scope of the claims of the present invention.

Claims (10)

1. The utility model provides a silence intelligence lock body that delay single spring bolt kick-backs, kick-backs through delay unidirectional oblique tongue and realizes the silence effect, and the lock body is outside including casing portion for the inside structure of parcel lock body, casing portion include side, lower casing and lid, and lower casing closes with the lid, and the side is located the side of casing and lid down, and lock body is inside including sub-lock portion and main lock tongue, the lock body still includes handle portion, its characterized in that:

the unidirectional inclined tongue part comprises a unidirectional inclined tongue part and a linkage part, the linkage part comprises a clamping tooth part, and the clamping tooth part comprises a sawtooth-shaped clamping tooth;

the lock body comprises a limiting part, the limiting part comprises a limiting assembly controlled by the sub-lock part, a push-pull rod connected with the limiting assembly and the limiting shifting rod, a limiting shifting rod controlled by the limiting assembly or the handle part, and a guide block connected with the limiting shifting rod;

the lock body also comprises a mute part, the mute part comprises a mute driving part and a mute limiting part, and the mute limiting part comprises a clamping vertex;

when the handle part rotates, the handle part drives the limiting deflector rod and the mute driving part to rotate, the limiting deflector rod drives the guide block to relieve the limiting of the unidirectional oblique tongue part, the mute driving part contacts the limiting of the mute limiting part, and the mute limiting part moves to enable the clamping vertex to be clamped into the clamping teeth, so that the unidirectional oblique tongue part retracts into the shell part.

2. The silent intelligent lock body for delaying single-bolt rebounding according to claim 1, wherein:

the mute part also comprises a driving elastic body and a limiting elastic body, two ends of the driving elastic body are respectively connected with the mute driving part and the lower shell, and two ends of the limiting elastic body are respectively connected with the mute limiting part and the lower shell;

the elastomer tension of the driving elastomer is greater than that of the limiting elastomer.

3. The mute intelligent lock body capable of delaying single-bolt rebounding according to claim 2, wherein:

the mute limiting part comprises a limiting connecting part and a limiting clamping part;

the limiting connecting part comprises a connecting part clamping groove and a connecting part gap, and the limiting clamping part comprises a limiting clamping groove and a clamping head;

the limiting clamping groove is clamped into the clamping groove of the connecting part, and the clamping head is clamped into the gap of the connecting part, so that the limiting connecting part and the limiting clamping part are connected integrally.

4. The silent intelligent lock body for delaying single-bolt rebounding of claim 3, wherein:

the lower shell comprises a mute positioning column,

the limit connecting part comprises a connecting part accommodating hole for accommodating the mute positioning column,

the limiting clamping part comprises a clamping part accommodating hole for accommodating the mute positioning column,

the mute positioning column penetrates through the connecting part accommodating hole and the clamping part accommodating hole, so that the limiting connecting part and the limiting clamping part coaxially and synchronously rotate by taking the mute positioning column as an axis.

5. The silent intelligent lock body for delaying single-bolt rebounding of claim 3, wherein:

the mute driving part comprises a connecting side wall with a diameter larger than that of the driving elastic body and a driving elastic body accommodating part with a diameter smaller than that of the driving elastic body, and the driving elastic body is sleeved on the driving elastic body accommodating part and is positioned between the driving elastic body accommodating part and the side edge of the lower shell;

spacing screens portion includes that the diameter is greater than spacing portion of the screens portion of spacing elastomer, and the diameter is less than spacing elastomer holding department of spacing elastomer, spacing elastomer cover is located on the spacing elastomer holding department, make spacing elastomer is located between spacing elastomer holding department and the lower casing side.

6. The silent intelligent lock body for delaying single-bolt rebounding of claim 3, wherein:

the mute driving part comprises a driving push rod extending downwards, and the top end of the driving push rod comprises the top of the driving push rod;

the limiting connecting part comprises a connecting side wall;

when the top of the driving push rod presses the connecting side wall, the mute limiting part is limited, the limiting elastic body is compressed, and the clamping vertex can not be clamped into the clamping teeth.

7. The silent intelligent lock body for delaying single-bolt rebounding according to claim 1, wherein:

the mute driving part comprises a driving part, wherein the driving part comprises a driving part upper peak, a driving part lower peak and a driving part groove which is positioned between the driving part upper peak and the driving part lower peak and is inwards sunken;

the limiting deflector rod comprises a handle connecting part which has the same shape with the driving part;

when the handle part rotates, the handle part drives the driving part to synchronously rotate with the handle connecting part.

8. The silent intelligent lock body for delaying single-bolt rebounding according to claim 1, wherein:

the lower shell comprises a limiting deflector rod positioning column;

the mute driving part comprises a driving head part, and the driving head part comprises a head accommodating hole for accommodating the positioning column of the limiting deflector rod;

the limiting deflector rod comprises a fixing hole for accommodating the limiting deflector rod positioning column;

the limiting deflector rod positioning column penetrates through the head containing hole and the fixing hole, so that the mute driving part and the limiting deflector rod coaxially and synchronously rotate by taking the limiting deflector rod positioning column as an axis.

9. The silent intelligent lock body for delaying single-bolt rebounding according to claim 1, wherein:

the mute driving part comprises a mute driving part upper piece and a mute driving part lower piece which have the same shape,

the side thicknesses of the upper sheet and the lower sheet of the mute driving part are the side walls of the mute driving part;

the limiting deflector rod comprises an upper limiting deflector rod piece and a lower limiting deflector rod piece which are completely the same in shape, and the side thicknesses of the upper limiting deflector rod piece and the lower limiting deflector rod piece are the side walls of the limiting deflector rod;

the handle part comprises two handle pushing pieces with the same shape, and the thickness of the side edge of each handle pushing piece is a pushing side wall;

the pushing side wall is larger than or equal to the sum of the side wall of the mute driving part and the side wall of the limiting deflector rod.

10. The silent intelligent lock body for delaying single-bolt rebounding according to claim 1, wherein:

the clamping tooth part comprises a clamping tooth side wall which is slightly concave towards the inner side of the clamping tooth part and is of an arc curvature; the latch lateral wall avoids when the screens summit is located the latch lateral wall, the screens summit can't remove and by spacing.

Images