CN214091380U - Screen window handle with lock - Google Patents

Abstract

The utility model relates to a screen window handle with a lock, which comprises a handle, wherein the handle is provided with a coded lock device and a lock shaft assembly, the lock shaft assembly comprises a lock shaft and a lock shaft spring for driving the lock shaft to unlock, the lock shaft comprises a lock shaft body matched with a lock shaft spring and a shaft sleeve matched with the lock shaft in a locking/unlocking mode, the shaft sleeve is axially and slidably matched in the handle, the lock shaft body comprises a shaft body, one end of the shaft body is provided with a lock cylinder head inserted in the shaft sleeve, the lock cylinder head is matched in the shaft sleeve in an axially movable mode, a key hole matched with the lock cylinder head is formed in the shaft sleeve, a key unlocking mechanism matched with the lock cylinder head in a locking and unlocking mode is arranged in the key hole, the lock cylinder head is locked through the key unlocking mechanism to form axial linkage of the lock shaft body and the shaft sleeve, and the lock cylinder head is unlocked through the key unlocking mechanism to form axial sliding of the lock shaft body along the shaft sleeve under the driving of the lock shaft spring. The emergency unlocking device has the emergency unlocking function of the spare key and has the advantage of convenience in use.

Description

Screen window handle with lock

Technical Field

The utility model relates to a screen window handle with lock.

Background

The traditional screen window handle is held by a hand to facilitate the operation of opening and closing the screen window, and only has a button-operated lock shaft structure, so that the anti-theft performance is weak. Along with the enhancement of safety consciousness and the safety requirements of practical use of people, a lock structure is arranged on an existing screen window handle to realize an anti-theft function, the lock on the existing screen window handle is generally provided with a mechanical lock opened by a key and a coded lock opened by a coded certificate, and in order to facilitate the opening and closing operation, the existing screen window handle is generally designed by the coded lock, for example, a screen window handle with the coded lock (the authorization notice number is CN 206829794U) disclosed by the Chinese patent number is CN201720420401.1, while the number of the coded certificates in the modern society is more, and the codes of the coded lock are easy to forget or mistake after being not used for a certain time, so that the screen window cannot be normally used; although the mechanical lock unlocked by the key can solve the problem of password memory, the lock is unlocked and unlocked by the key, the key is required, the use is very inconvenient, the key is inconvenient to store, and the key is easy to lose.

Disclosure of Invention

The utility model discloses the invention purpose: for overcoming the defect that prior art exists, the utility model provides a mainly use the password as the voucher, have the emergent screen window handle of locking of function of unblanking of spare key.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a screen window handle is locked in area, includes the handle, is equipped with trick lock device and lock axle subassembly on the handle, and lock axle subassembly includes the lock axle and drives the lock axle spring that the lock axle unblanked the action, trick lock device's spring bolt and lock axle locking/unblock cooperation, its characterized in that: the lock shaft comprises a lock shaft body matched with a lock shaft spring and a shaft sleeve matched with a lock tongue in a locking/unlocking mode, the shaft sleeve is axially and slidably matched in the handle, the lock shaft body comprises a shaft body, one end of the shaft body is provided with a lock cylinder head inserted into the shaft sleeve, the lock cylinder head is matched in the shaft sleeve in an axially movable mode, a key hole matched with the lock cylinder head is formed in the shaft sleeve, a key unlocking mechanism matched with the lock cylinder head in a locking and unlocking mode is arranged in the key hole, the lock cylinder head is locked through the key unlocking mechanism to form the axial linkage of the lock shaft body and the shaft sleeve, and the lock cylinder head is locked through the key unlocking mechanism to form the sliding of the lock shaft body along the shaft sleeve under the driving of the lock shaft spring.

By adopting the technical scheme, when the password lock is opened and closed, the lock cylinder head is locked with the shaft sleeve through the key unlocking mechanism, and the shaft sleeve and the lock shaft body can move synchronously along the axial direction, so that unlocking and locking actions can be completed through the whole lock shaft action; by means of the matching of the hollow shaft sleeve and the lock cylinder head, the lock cylinder has the advantage of compact structure.

Preferably, the key unlocking mechanism comprises a locking step arranged in the key hole and an unlocking channel extending axially along the key hole, the locking step and the unlocking channel are circumferentially arranged along the key hole, the lock cylinder head is rotatably arranged in the shaft sleeve and comprises a lock cylinder head base body, a side protrusion is arranged on the lock cylinder head base body and a key linkage structure matched with a key to realize that the key rotates the lock cylinder head, the side protrusion is matched with the locking step in an axial stopping manner to form a lock shaft body and axially linked with the shaft sleeve, and the side protrusion is correspondingly matched with the unlocking channel to form the lock shaft body to axially move along the shaft sleeve. Under the structural design, a key is inserted to rotate a lock cylinder head, a side protrusion of the lock cylinder head corresponds to the position of an unlocking channel, the lock cylinder head axially moves along a shaft sleeve under the driving of a lock shaft spring to complete unlocking action, the lock cylinder head is pressed until the side protrusion exits the unlocking channel, and the lock cylinder head is rotated to enable the side protrusion to correspond to a locking step, so that the lock cylinder head is locked again, and the reset of the lock cylinder head is realized; the key unlocking mechanism has a simple structure and is simple and convenient to operate.

Preferably, two-stage locking steps are axially distributed in the keyhole, the two-stage locking steps are respectively a first locking step and a second locking step, a first unlocking channel is formed at the circumferential corresponding position of the first locking step, one axial end of the first unlocking channel is stopped in the keyhole to form the bottom surface of the first unlocking channel, the second locking step corresponds to the bottom surface of the first unlocking channel, a second unlocking channel is arranged on the bottom surface of the first unlocking channel, the second unlocking channel penetrates through the outer port of the keyhole, a first side convex part and a second side convex part are axially distributed on the lock cylinder head base body, the first side convex part corresponds to the axial end part of the second side convex part, the circumferential two sides of the first side convex part correspond to the second side convex part, the first side convex part is correspondingly matched with the second locking step and the second unlocking channel, and the second side convex part is correspondingly matched with the first locking step and the first unlocking channel, the second side convex part forms a key linkage structure. Adopt two-stage locking step design, the overhead two-stage side of being equipped with of corresponding lock core, when the lock core head was in latched position, the lock core head realized supporting and in the increase of circumference upper support surface at two positions in the axial, lock core head backstop location is reliable and stable in the key hole, can reduce the width of first side convex part under the stable circumstances of lock core head cooperation guaranteeing moreover, rely on first side convex part to constitute and supply key complex key linkage structure, have simple structure's advantage.

Preferably, a password tooth socket is further arranged in the key hole, the password tooth socket penetrates from an outer port of the key hole to the first unlocking channel along the axial direction, the depth of the password tooth socket along the radial direction of the key hole is smaller than or equal to the depth of the second unlocking channel along the radial direction of the key hole, and the rotation stroke of the lock cylinder head is matched with the circumferential distance from the password tooth socket to the second unlocking channel. Under the structure, a key with code tooth plates can be used, the code tooth plates are aligned to the second unlocking channel, an open slot on the key is aligned to the position of the convex part at the first side, the key can be inserted into the keyhole, the key is sleeved into the part of the first side convex part on the head of the lock cylinder, the key is rotated to drive the head of the lock cylinder to rotate to an unlocking position, the code tooth plates are simultaneously corresponding to the positions of the code tooth grooves, and the key and the head of the lock cylinder are simultaneously pushed and slid axially to complete unlocking; the design of password tooth's socket has compromise the theftproof nature, has also compromise the key simultaneously and has unblanked the angle and reset the angle's determination, makes things convenient for the key operation.

Preferably, a positioning sunk groove is formed in the second locking step, and the second side convex part extends into the positioning sunk groove to form circumferential locking of the lock cylinder head and the shaft sleeve. Under the structural design, the second side convex part is clamped into the positioning sunk groove, so that the locking position of the lock cylinder head is positioned, the lock cylinder head can be prevented from rotating due to vibration, and the anti-theft performance of the lock is ensured; during unlocking operation, the lock cylinder head needs to be pressed to complete unlocking; when the lock cylinder head is reset, the lock cylinder head has a gear sense of falling back when falling into the positioning sink.

Preferably, the diameter of the core section of the lock core head base body corresponding to the second side convex part is larger than the diameter of the core section of the lock core head base body corresponding to the first side convex part, so that an annular shaft shoulder surface is formed at the position corresponding to the end surface of the second side convex part. Under the structural design, the annular shaft shoulder surface can form reliable conflict with a key, and reliable axial pressing force is applied to the lock cylinder head through the key; meanwhile, the structure is more reasonable in size.

Preferably, the end part of the first side convex part is provided with a positioning notch, and the positioning notch is positioned on the radial inner side of the first side convex part, so that a limiting convex point opposite to the end part of the lock cylinder head base body is formed on the outer diameter side of the end part of the first side convex part through the positioning notch. Under this structural design, the cooperation of lock core head and key is made things convenient for to the location breach.

Preferably, the shaft body of the lock shaft body is screwed with the key head. The lock shaft body and the key head are assembled in a split type machining mode through threaded screwing, and the key head has the advantage of being convenient to machine.

Preferably, one end of the shaft sleeve is provided with a protective cover capable of opening and covering the outer port of the key hole. Under this structural design, realize sheltering from the protection to the key hole.

The present invention will be further described with reference to the accompanying drawings.

Drawings

Fig. 1 is a perspective view of a screen window handle with a lock according to an embodiment of the present invention;

fig. 2 is an exploded view of a screen window handle with a lock according to an embodiment of the present invention;

FIG. 3 is a schematic structural view of a lock shaft assembly according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a shaft sleeve according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a lock cylinder head according to an embodiment of the present invention;

fig. 6 is a diagram of the matching state of the key and the lock cylinder head according to the embodiment of the present invention.

Detailed Description

Referring to fig. 1 to 5, the utility model discloses a screen window handle with lock, including the handle 1, the handle 1 is equipped with the trick lock device 2 and the lock axle subassembly, the lock axle subassembly includes the lock axle 3 and drives the lock axle 3 to unblank the lock axle spring 4 of action, wherein the trick lock device 2 is the conventional technology in this field, the trick lock device 2 includes the trick wheel group 21, the spring bolt 22 and the unblocking piece 23, the trick wheel group 21 includes a plurality of trick wheels 211 and the trick wheel axle, the spring bolt 22 cooperates with the spring bolt reset spring 24, the unblocking piece 23 drives the spring bolt 22, the unblocking piece 23 cooperates with the button reset spring 25, the spring bolt 22 and the lock axle 3 lock/unblock cooperation, can relieve the lock of the spring bolt 22 to the lock axle 3 through the unblocking piece 23 when the password of the trick wheel group 21 is correct, the lock axle 3 include with lock axle body 31 of lock axle spring 4 complex and with the shaft sleeve 32 of locking/unblocking of spring bolt 22, the structure of the shaft sleeve 32 and the lock tongue 22 for locking/unlocking matching is a conventional technology in the field, such as a clamping groove 320, the shaft sleeve 32 is axially and slidably matched in the handle 1, a rectangular positioning portion 321 is arranged on the outer periphery side of the axial middle portion of the shaft sleeve 32, the linear positioning and slidable matching of the shaft sleeve 32 in the handle 1 is realized through the rectangular positioning portion 321, the lock shaft body 31 comprises a shaft body 311, one end of the shaft body 311 is provided with a lock core head 312 inserted in the shaft sleeve 32, a lock shaft spring 4 is sleeved on the shaft body 311 of the lock shaft body, one end of the lock shaft spring 4 is abutted on the lock core head 312, the other end of the lock shaft spring 4 is abutted on the handle 1, the lock core head 312 is matched in the shaft sleeve 32 in an axially movable manner, a key hole 322 matched with the lock core head 312 is arranged in the shaft sleeve 32, a key unlocking mechanism matched with the lock core head 312 for locking and unlocking is arranged in the key unlocking mechanism, the lock core head 312 is locked to form axial linkage of the lock shaft body 31 and the shaft sleeve 32, the lock cylinder head 312 is locked by the key release key unlocking mechanism to constitute the lock shaft body 31 which slides along the sleeve 32 under the drive of the lock shaft spring 4. When the password unlocking and locking operation is carried out, the lock cylinder head is locked with the shaft sleeve through the key unlocking mechanism, and the shaft sleeve and the lock shaft body can move synchronously along the axial direction, so that the unlocking and locking actions can be completed through the whole lock shaft action; by means of the matching of the hollow shaft sleeve and the lock cylinder head, the lock cylinder has the advantage of compact structure.

Further, the key unlocking mechanism comprises a locking step 323 arranged in the key hole 322 and an unlocking groove 324 extending axially along the key hole 322, the locking step 323 and the unlocking groove 324 are arranged circumferentially along the key hole 322, the lock cylinder head 312 is rotatably arranged in the shaft sleeve 32, the lock cylinder head 312 comprises a lock cylinder head base 3121, a side projection 3122 is arranged on the lock cylinder head base 3121, and a key linkage structure is matched with a key to rotate the lock cylinder head 312, the side projection 3122 is matched with the locking step 323 in an axial stopping manner to form axial linkage of the lock shaft body 31 and the shaft sleeve 32, and the side projection 3122 is matched with the unlocking groove 324 correspondingly to form axial movement of the lock shaft body 31 along the shaft sleeve 32. Under the design, a key is inserted to rotate a lock cylinder head, a side protrusion of the lock cylinder head corresponds to the position of an unlocking channel, the lock cylinder head axially moves along a shaft sleeve under the driving of a lock shaft spring to complete unlocking action, the lock cylinder head is pressed until the side protrusion exits the unlocking channel, and the lock cylinder head is rotated to enable the side protrusion to correspond to a locking step, so that the lock cylinder head is locked again, and the reset of the lock cylinder head is realized; the key unlocking mechanism has a simple structure and is simple and convenient to operate. Certainly do the utility model discloses feasible scheme key unblock structure still can adopt current mechanical lock core structure, but it has the structure complicacy, defect with high costs.

Wherein two-stage locking steps 323 are axially distributed in the key hole 322, the two-stage locking steps are respectively a first locking step 323a and a second locking step 323b, a first unlocking channel 324a is formed at a circumferentially corresponding position of the first locking step 323a, an axial end of the first unlocking channel 324a is stopped in the key hole 322 to form a bottom surface of the first unlocking channel 324a, the second locking step 323b is correspondingly arranged on the bottom surface of the first unlocking channel 324a, a second unlocking channel 324b is arranged on the bottom surface of the first unlocking channel 324a, the second unlocking channel 324b penetrates through an external port (a port at which a key is inserted into one end of the key hole) of the key hole 322, a first side convex portion 3122a and a second side convex portion 3122b are axially distributed on the lock cylinder head base body, the first side convex portion 3122a is correspondingly arranged at an axial end of the second side convex portion 3122b, circumferential two sides of the first side convex portion 3122a are correspondingly arranged in the second side convex portion 3122b, the first side convex portion 3122a is correspondingly engaged with the second locking step 323b and the second unlocking groove 324b, the second side convex portion 3122b is correspondingly engaged with the first locking step 323a and the first unlocking groove 324a, and the second side convex portion 3122b constitutes a key linkage structure. Adopt two-stage locking step design, the overhead two-stage side of being equipped with of corresponding lock core, when the lock core head is in latched position, the lock core head realizes supporting and increase at the support surface in circumference in two axial positions, lock core head backstop location is reliable and stable in the key hole, and can be under the stable circumstances of the cooperation of the lock core head of assurance, reduce the width of first side convex part, rely on first side convex part to constitute and supply key complex key linkage structure, establish open slot 51 and the cooperation of first side convex part 3122a on the key 5 as shown in fig. 6, have simple structure's advantage. Certainly as the utility model discloses feasible scheme can adopt single locking step design, and key linkage structure can adopt the design like opposite sex groove and opposite sex plush copper.

In order to improve the theft-proof performance of key unlocking and facilitate unlocking and lock cylinder head resetting operation, a code spline 325 is further arranged in the key hole 322, the code spline 325 penetrates from an outer port of the key hole 322 to the first unlocking groove 324a along the axial direction, the depth of the code spline 325 along the radial direction of the key hole 322 is smaller than or equal to the depth of the second unlocking groove 324b along the radial direction of the key hole 322, and the rotation stroke of the lock cylinder head 312 is matched with the circumferential distance from the code spline 325 to the second unlocking groove 324 b. Under the design, as shown in fig. 6, a code tooth plate 52 is arranged on a key 5, the code tooth plate 52 is aligned with a second unlocking channel 324b, an open slot 51 on the key 5 is aligned with a first side convex portion 3122a, the key can be inserted into a key hole, the key is sleeved in the part of the first side convex portion 3122a of the lock cylinder head, the code tooth plate enters the first unlocking channel, the key is rotated to drive the lock cylinder head to rotate to an unlocking position, at the moment, the code tooth plate simultaneously corresponds to a code tooth space position, and the key and the lock cylinder head are simultaneously pushed and slid axially to complete unlocking; the design of password tooth's socket has compromise the theftproof nature, has also compromise the key simultaneously and has unblanked the angle and reset the angle's determination, makes things convenient for the key operation.

A positioning sunk groove 326 is formed in the second locking step 323b, and the second side convex portion 3122b extends into the positioning sunk groove 326 to form circumferential locking of the lock cylinder head 312 and the shaft sleeve 32; the second side convex part is clamped into the positioning sunk groove, so that the locking position of the lock cylinder head is positioned, the lock cylinder head can be prevented from rotating due to vibration, and the anti-theft performance of the lock is ensured; during unlocking operation, the lock cylinder head needs to be pressed to complete unlocking; when the lock cylinder head is reset, the lock cylinder head has a gear sense of falling back when falling into the positioning sink.

Further, the diameter of the core segment 31211 of the lock cylinder head base 3121 corresponding to the second side convex portion 3122b is larger than the diameter of the core segment 31212 of the lock cylinder head base 3121 corresponding to the first side convex portion 3122a, so that an annular shoulder surface 31213 is formed at the position corresponding to the end surface of the second side convex portion 3122 b. The annular shaft shoulder surface can form reliable conflict with a key, and reliable axial pressing force is applied to the lock cylinder head through the key; meanwhile, the structure is more reasonable in size.

A positioning notch 31221 is arranged at the end of the first side convex portion 3122a, the positioning notch 31221 is positioned at the radial inner side of the first side convex portion 3122a, so that a limit convex point 31222 opposite to the end position of the lock cylinder head base 3121 is formed at the outer diameter side of the end of the first side convex portion through the positioning notch 31221; the positioning notch facilitates the matching of the lock cylinder head and the key.

In this embodiment, the shaft body 311 of the lock shaft body 31 is screwed with the key head 312. The lock shaft body and the key head are assembled in a split type machining mode through threaded screwing, and the key head has the advantage of being convenient to machine.

A protecting cover 6 for opening and covering the outer port of the keyhole 322 is provided at one end of the shaft sleeve 32. The protective cover can be a label or a cap and the like, and the key hole is shielded and protected.

Claims (9)

1. The utility model provides a screen window handle is locked in area, includes the handle, is equipped with trick lock device and lock axle subassembly on the handle, and lock axle subassembly includes the lock axle and drives the lock axle spring that the lock axle unblanked the action, trick lock device's spring bolt and lock axle locking/unblock cooperation, its characterized in that: the lock shaft comprises a lock shaft body matched with a lock shaft spring and a shaft sleeve matched with a lock tongue in a locking/unlocking mode, the shaft sleeve is axially and slidably matched in the handle, the lock shaft body comprises a shaft body, one end of the shaft body is provided with a lock cylinder head inserted into the shaft sleeve, the lock cylinder head is matched in the shaft sleeve in an axially movable mode, a key hole matched with the lock cylinder head is formed in the shaft sleeve, a key unlocking mechanism matched with the lock cylinder head in a locking and unlocking mode is arranged in the key hole, the lock cylinder head is locked through the key unlocking mechanism to form the axial linkage of the lock shaft body and the shaft sleeve, and the lock cylinder head is locked through the key unlocking mechanism to form the sliding of the lock shaft body along the shaft sleeve under the driving of the lock shaft spring.

2. The handle for a screen window with a lock of claim 1, wherein: the key unlocking mechanism comprises a locking step arranged in a key hole and an unlocking channel extending along the axial direction of the key hole, the locking step and the unlocking channel are arranged along the circumferential direction of the key hole, the lock cylinder head is rotatably arranged in the shaft sleeve and comprises a lock cylinder head base body, a side protrusion is arranged on the lock cylinder head base body and a key linkage structure matched with a key to realize that the key rotates the lock cylinder head, the side protrusion is matched with the locking step in an axial stopping manner to form a lock shaft body and axially linked with the shaft sleeve, and the side protrusion is correspondingly matched with the unlocking channel to form the lock shaft body to axially move along the shaft sleeve.

3. The handle for a screen window with a lock of claim 2, wherein: two-stage locking steps are axially distributed in the key hole, the two-stage locking steps are respectively a first locking step and a second locking step, a first unlocking channel is formed at the circumferential corresponding position of the first locking step, one axial end of the first unlocking channel is stopped in the key hole to form the bottom surface of the first unlocking channel, the second locking step corresponds to the bottom surface of the first unlocking channel, a second unlocking channel is arranged on the bottom surface of the first unlocking channel and penetrates through the outer port of the key hole, a first side convex part and a second side convex part are axially distributed on the lock core head base body, the first side convex part corresponds to the axial end part of the second side convex part, the circumferential two sides of the first side convex part correspond to the second side convex part, the first side convex part is correspondingly matched with the second locking step and the second unlocking channel, and the second side convex part is correspondingly matched with the first locking step and the first unlocking channel, the second side convex part forms a key linkage structure.

4. The handle for a screen window with a lock of claim 3, wherein: still be equipped with the password tooth's socket in the key hole, password tooth's socket link up to first unblock channel along the axial from key hole outer port, and the degree of depth of password tooth's socket along the radial direction of key hole is less than or equal to the degree of depth of second unblock channel along the radial direction of key hole, and lock core head rotation stroke and password tooth's socket to the circumference distance adaptation of second unblock channel.

5. A handle for a screen window with a lock according to claim 3 or 4, wherein: and the second locking step is provided with a positioning sunk groove, and the second side convex part extends into the positioning sunk groove to form circumferential locking of the lock cylinder head and the shaft sleeve.

6. A handle for a screen window with a lock according to claim 3 or 4, wherein: the diameter of the core section of the lock core head base body corresponding to the second side convex part is larger than that of the core section of the lock core head base body corresponding to the first side convex part, so that an annular shaft shoulder surface is formed at the corresponding position of the end surface of the second side convex part.

7. A handle for a screen window with a lock according to claim 3 or 4, wherein: the end part of the first side convex part is provided with a positioning notch, and the positioning notch is positioned on the radial inner side of the first side convex part, so that a limiting convex point opposite to the end part of the lock cylinder head base body is formed on the outer diameter side of the end part of the first side convex part through the positioning notch.

8. The handle for a screen window with a lock of claim 1, wherein: and the shaft body of the lock shaft body is screwed with the key head thread.

9. The handle for a screen window with a lock of claim 1, wherein: one end of the shaft sleeve is provided with a protective cover which can be opened and cover the outer port of the key hole.

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