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CN-122014054-A - Linkage locking mechanism of key storage cavity in door lock handle

CN122014054ACN 122014054 ACN122014054 ACN 122014054ACN-122014054-A

Abstract

The invention relates to a linkage locking mechanism of a key storage cavity in a door lock handle, which comprises a handle body, wherein a lock cylinder, a cam, an opening and closing bracket, a mounting bracket, a transmission square bar and a poking rod are arranged in the handle body, a storage body is in sliding insertion connection with the handle body, the handle body and the storage body form sliding insertion connection fit through a chute and a guide rail, a storage cavity is arranged on the storage body, the storage cavity is used for storing a key, a second locking groove is arranged on the storage body, the handle body is provided with a locking hole relative to the second locking, a locking steel ball is arranged in the locking hole, an arc-shaped extension arm is arranged outside an opening pipe by the cam, the end surface of the arc-shaped extension arm forms a pushing inclined plane, and the pushing inclined plane pushes the locking steel ball to be matched with the second locking groove. The key hidden and stored in the handle body can be locked and not taken out when someone exists indoors, so that the safety and privacy of indoor personnel are effectively protected, and the handle has the advantages of being compact in structure and convenient to operate and use.

Inventors

  • LIU YI

Assignees

  • 刘毅

Dates

Publication Date
20260512
Application Date
20260224

Claims (11)

  1. 1. The utility model provides a key accomodates interlock locking mechanical system in chamber in lock handle, including the handle body, be provided with the lock core in the handle body, the cam, open and close the support, the installing support, transmission square bar and dial the bull stick, the axial both ends of cam set up lock core interlock groove and dial the change interlock groove respectively, lock core plug bush is through lock core interlock groove interlock cam in the handle body, open and close support fixed mounting on the handle body, open and close the support and have the opening pipe that axially extends, the cam axial inserts in the opening pipe, the marble hole is seted up for the cam to the lateral wall of opening pipe, the marble is equipped with in the marble hole, the cam's cam face cooperatees with the marble, installing support fixed mounting is on the door leaf, be equipped with the centre bore on the installing support, the opening pipe passes the centre bore and is fixed by the jump ring, the lateral wall of centre bore is for marble Kong Kaishe first locking groove, the marble is cooperated with first locking groove, set up reset cooperation between open and close support and the installing support, a spring foot of torsional spring is fixed on the support, another spring foot location is on the installing support, the one end plug bush of transmission square bar rotates along with opening and close support in the opening pipe, dial axial one end is passed the transmission square bar and is connected to change groove, characterized by: the handle body (1) is in sliding connection with the accommodating body (16), the handle body (1) and the accommodating body (16) form sliding connection fit through the sliding groove (24) and the guide rail (25), the accommodating body (16) is provided with the accommodating cavity (17), the accommodating body (16) is provided with the second locking groove (19), the handle body (1) is provided with the locking hole (20) relative to the second locking groove (19), the locking hole (20) is internally provided with a locking steel ball (21), the cam (3) is provided with an arc-shaped extension arm (22) outside the opening pipe (10), the end surface of the arc-shaped extension arm (22) forms a pushing inclined surface (23), and the pushing inclined surface (23) pushes the locking steel ball (21) to be matched with the second locking groove (19).
  2. 2. The interlocking mechanism of a key storage cavity in a door lock handle according to claim 1, wherein a limit post (36) is arranged on a handle body (1), a first limit groove (37) is arranged on the peripheral surface of a lock cylinder (2) opposite to the limit post (36), the first limit groove (37) is matched with the limit post (36), and a notch groove (49) is arranged on the side wall of the first limit groove (37).
  3. 3. The interlocking mechanism of a key receiving cavity in a door lock handle according to claim 1 or 2, wherein a magnetic attraction piece (38) is fixed on a side wall of a receiving cavity (17) on a receiving body (16), and the magnetic attraction piece (38) attracts a key (18).
  4. 4. The interlocking mechanism of a key storage cavity in a door lock handle according to claim 1 or 2, characterized in that a storage block (39) is arranged in a storage cavity (17), a storage cavity (40) is arranged in the storage block (39), a key (18) is placed in the storage cavity (40), the storage block (39) can be turned up and down in the storage cavity (17), a left sliding groove (41) is formed in the left side wall of the storage block (39), a left groove (42) is formed in the left sliding groove (41), a left positioning hole (43) is formed in a storage body (16) opposite to the left sliding groove (41), a left spring (44) and a left positioning steel ball (45) are arranged in the left positioning hole (43), the left positioning steel ball (45) is matched with the left sliding groove (41) and the left groove (42), a right sliding groove (46) is formed in the right side wall of the storage block (39), a right groove (47) is formed in the storage body (16) opposite to the right sliding groove (46), a right positioning steel ball (48) is arranged between the right groove (47) and the right sliding groove (46), and three steel balls (42) are arranged in the left groove (42).
  5. 5. The interlocking mechanism of a key receiving cavity in a door lock handle according to claim 1 or 2, wherein the accommodating cavity (17) is formed as a wall-clamping cavity, and a positioning spring piece (50) is fixed on a side wall of the wall-clamping cavity, and a key (18) is clamped in the wall-clamping cavity.
  6. 6. The interlocking mechanism of a key receiving cavity in a door lock handle according to claim 1 or 2, wherein the receiving cavity (17) is arranged at the left end part of the inner side of the receiving body (16) and is used for fixing the end cover (51), the second locking groove (19) is arranged on the end cover (51), a socket (52) is formed on the side wall of the receiving cavity (17), an ejection spring (53) is fixed in the receiving cavity (17), and the key (18) is inserted by the socket (52) and is ejected by pushing of the ejection spring (53).
  7. 7. A interlocking mechanism of a key storage cavity in a door lock handle according to claim 3, characterized in that a second limit groove (29) is formed in the handle body (1), a limit hole (27) is formed in the storage body (16), a limit spring (28) and a limit pin (30) are arranged in the limit hole (27), the limit pin (30) and the second limit groove (29) form limit fit, and a disassembly hole (31) is formed in the end portion of the second limit groove (29).
  8. 8. The interlocking mechanism of a key storage cavity in a door lock handle according to claim 4, wherein a second limit groove (29) is formed in the handle body (1), a limit hole (27) is formed in the storage body (16), a limit spring (28) and a limit pin (30) are arranged in the limit hole (27), limit fit is formed between the limit pin (30) and the second limit groove (29), and a disassembly hole (31) is formed in the end portion of the second limit groove (29).
  9. 9. The interlocking mechanism of a key storage cavity in a door lock handle according to claim 5, wherein a second limit groove (29) is formed in the handle body (1), a limit hole (27) is formed in the storage body (16), a limit spring (28) and a limit pin (30) are arranged in the limit hole (27), limit fit is formed between the limit pin (30) and the second limit groove (29), and a disassembly hole (31) is formed in the end portion of the second limit groove (29).
  10. 10. The interlocking mechanism of a key storage cavity in a door lock handle according to claim 6, wherein a second limit groove (29) is formed in the handle body (1), a limit hole (27) is formed in the storage body (16), a limit spring (28) and a limit pin (30) are arranged in the limit hole (27), limit fit is formed between the limit pin (30) and the second limit groove (29), and a disassembly hole (31) is formed in the end portion of the second limit groove (29).
  11. 11. The interlocking mechanism of a key receiving cavity in a door lock handle according to claim 7, 8, 9 or 10, wherein positioning arc-shaped grooves (32) are respectively arranged at two ends of one side of a second limiting groove (29) on the handle body (1), a positioning hole (33) is arranged on the receiving body (16), a spring (34) and a positioning steel ball (35) are arranged in the positioning hole (33), and the positioning steel ball (35) is matched with the positioning arc-shaped grooves (32).

Description

Linkage locking mechanism of key storage cavity in door lock handle Technical Field The invention relates to a linkage locking mechanism of a key storage cavity in a door lock handle. Background The key of the inner door handle lock is less used, is generally freely folded and unfolded, and forgets the specific folding and unfolding position for a long time, thereby causing trouble in use, therefore, the existing design is that the inner door handle lock is placed in a handle outside a door for convenient taking, however, this design has a significant problem in that in the case where someone else does not want to enter and lock the door reversely, the person outdoors can unlock the handle to unlock the key into the room, so that there is a design defect of safety or privacy. Disclosure of Invention The invention aims to overcome the defects of the prior art and provides the linkage locking mechanism of the key storage cavity in the door lock handle, which can lock the key storage cavity indoors and has compact structure and convenient opening and closing operation. The invention solves the technical problems by adopting the technical scheme that the lock cylinder lock comprises a handle body, wherein a lock cylinder, a cam, an opening and closing bracket, a mounting bracket, a transmission square bar and a poking rod are arranged in the handle body, the two axial ends of the cam are respectively provided with a lock cylinder linkage groove and a poking linkage groove, a lock cylinder plug bush is arranged in the handle body and is used for linking the cam through the lock cylinder linkage groove, the opening and closing bracket is fixedly arranged on the handle body, the opening and closing bracket is provided with an axially extending open tube, the cam is axially inserted into the open tube, the side wall of the open tube is provided with a poking cylinder hole relative to the cam, the marble is arranged in the marble hole, the cam surface of the cam is matched with the marble, the mounting bracket is fixedly arranged on a door leaf, the mounting bracket is provided with a central hole, the open tube passes through the central hole and is positioned by a clamping spring Kong Kaishe first locking groove relative to the marble, the marble is matched with the first locking groove, a torsion spring is arranged between the opening and closing bracket and the mounting bracket to form reset fit, one spring leg of the torsion spring is positioned on the opening and closing bracket, the other spring leg is positioned on the mounting bracket, one end of the transmission square bar is inserted into the open tube and rotates along with the open tube, one end of the open tube, the poking rod is axially inserted into the open and passes through the transmission square bar, one end to be connected with the rotating groove relative to the cam, the rotating groove is provided with the guide rail, a sliding guide rail is provided with a second inclined plane, and an arc-shaped guide rail is formed by the sliding guide rail is matched with the sliding groove, and is provided with a second inclined rail is formed with an arc-shaped locking groove and an extension, and an arc-shaped guide groove is formed. Be equipped with spacing post on the handle body, be equipped with first spacing groove on the global of lock core for spacing post, first spacing groove and spacing post cooperate, are equipped with the breach groove on the lateral wall of first spacing groove. The side wall of the accommodating cavity is fixed with a magnetic attraction sheet. The storage block is arranged in the storage cavity, the storage cavity is arranged in the storage block, the storage block can be turned up and down in the storage cavity, a left sliding groove is formed in the left side wall of the storage block, a left groove is formed in the left sliding groove, a left positioning hole is formed in a storage body opposite to the left sliding groove, a left spring and a left positioning steel ball are arranged in the left positioning hole, the left positioning steel ball is matched with the left sliding groove and the left groove, a right sliding groove is formed in the right side wall of the storage block, a right groove is formed in the storage body opposite to the right sliding groove, right positioning steel balls are arranged between the right groove and the right sliding groove, and three left grooves are formed in the left sliding groove in an up-down mode. The holding cavity is formed into a wall clamping cavity, the side wall of the wall clamping cavity is fixedly provided with a positioning elastic sheet, and a key is clamped in the wall clamping cavity. The holding cavity is arranged at the left end part of the inner side of the storage body and is used for fixing the end cover, the second locking groove is formed in the end cover, the side wall of the holding cavity forms a socket, the ejection spring is fixed in the holding cavity,