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CN-224228421-U - Lock cylinder with two lengthened ends

CN224228421UCN 224228421 UCN224228421 UCN 224228421UCN-224228421-U

Abstract

The utility model discloses a lock cylinder with two lengthened ends, which comprises a lock cylinder main body, wherein the lock cylinder main body is provided with a first transmission shaft extending towards the inner side of a door, the first transmission shaft and a poking and picking connection synchronously rotate, a plurality of first positioning holes which extend along the radial direction and are uniformly distributed along the axial direction are arranged on the first transmission shaft, an inner handle is sleeved on the first transmission shaft, the side wall of the inner handle is provided with a second positioning threaded hole, a first limit screw is connected in the second positioning threaded hole in a threaded manner, the tail end of the first limit screw penetrates through the second positioning threaded hole to be inserted into one of the first positioning holes, the lock cylinder main body is also provided with a second transmission shaft extending towards the outer side of the door, whether the second transmission shaft and the poking and the picking are synchronously rotated or not is controlled by an electric control clutch assembly, an outer handle is connected on the second transmission shaft in a threaded manner, an opening check ring is clamped at the meshing overlapped part of the outer handle and the second transmission shaft, and the meshing length of the threaded connection between the outer handle and the second transmission shaft is less than or equal to 10mm.

Inventors

  • ZHENG WEIBING
  • LI JUN
  • XIONG XIAOQIAN

Assignees

  • 中山市基信锁芯有限公司

Dates

Publication Date
20260512
Application Date
20250530

Claims (9)

  1. 1. The utility model provides a lock core that both ends can lengthen, its characterized in that includes lock core main part (1), lock core main part (1) are equipped with first transmission shaft (2) that stretch out to the door inboard, first transmission shaft (2) are connected synchronous rotation with dialling and choose (3), be equipped with a plurality of first locating holes (21) along radial extension along axial evenly distributed on first transmission shaft (2), the cover is equipped with interior handle (4) on first transmission shaft (2), interior handle (4) lateral wall is equipped with second locating screw hole (41), second locating screw hole (41) internal thread connection has first stop screw (5), in second locating screw hole (41) are passed at the end and are inserted one of them first locating hole (21), still be equipped with second transmission shaft (6) that stretch out to the door outside on lock core main part (1), whether synchronous rotation between second transmission shaft (6) and the dialling handle (3) is controlled through automatically controlled separation and reunion subassembly, threaded connection has outer handle (7) on second transmission shaft (6), outer thread connection (7) and second transmission shaft (6) are equipped with between outer transmission shaft (6) and second transmission shaft (6) meshing portion (8) and the meshing of small and the second portion (8) and the outside of being equipped with.
  2. 2. The lock cylinder with two lengthened ends according to claim 1, further comprising at least one first extension piece (9), wherein the first extension piece (9) is arranged between the lock cylinder main body (1) and the inner handle (4) in a penetrating manner on the first transmission shaft (2), the first extension piece (9) has a plurality of length specifications, the first extension piece (9) is fixedly connected with the lock cylinder main body (1) through a second locking screw (10), and the outer contour of the first extension piece (9) is identical with the outer contour of the lock cylinder main body (1).
  3. 3. The lock cylinder with two lengthened ends according to claim 2, characterized in that a first positioning groove (11) is formed on an end face of the lock cylinder main body (1) close to the inner side of the door, a first positioning protrusion (91) is formed on an end face of the first extension piece (9) close to the lock cylinder main body (1), the first positioning groove (11) and the first positioning protrusion (91) can form concave-convex fit so as to prevent the lock cylinder main body (1) and the first extension piece (9) from rotating relatively, a second positioning groove (92) is further formed on an end face of the first extension piece (9) far away from the lock cylinder main body (1), and the second positioning groove (92) can form concave-convex fit with the first positioning protrusion (91) of the other first extension piece (9) so as to prevent the two first extension pieces (9) from rotating relatively.
  4. 4. A lock cylinder with two lengthened ends according to any one of claims 2 or 3, characterized in that the first extension piece (9) is provided with a first through hole (93) for one end of the second locking screw (10) to pass through, and the end face of the lock cylinder main body (1) near the inner side of the door is provided with a third locking threaded hole (12) for the second locking screw (10) to pass through the first through hole (93) and be connected with the second locking screw through threads.
  5. 5. The lock cylinder with two lengthened ends according to any one of claims 1 or 2, further comprising a first extension shaft (13), wherein the first extension shaft (13) and the first transmission shaft (2) are coaxially arranged in the same shaft diameter, a second positioning protrusion (131) is arranged on the end face of the first extension shaft (13), a third positioning groove (22) is arranged on the end face, close to the first extension shaft (13), of the first transmission shaft (2), the second positioning protrusion (131) and the third positioning groove (22) can form concave-convex fit to prevent the first transmission shaft (2) and the first extension shaft (13) from relatively rotating, a fourth locking threaded hole (23) is further arranged on the end face of the first transmission shaft (2), a second through hole (132) penetrating front and back is arranged on the first extension shaft (13), one end of the third locking screw (14) penetrates through the second through hole (132) and then is connected with the fourth extension shaft (23) through a third locking screw (14), and a plurality of locking threaded holes (21) are uniformly distributed on the end face of the first transmission shaft (13) along the radial direction.
  6. 6. The lock cylinder with two lengthened ends according to claim 1, further comprising a second extension shaft (15) and at least one second extension member (16), wherein the second extension shaft (15) is connected between the outer handle (7) and the second transmission shaft (6), one end of the second extension shaft (15) is in threaded connection with the second transmission shaft (6), the other end of the second extension shaft is in threaded connection with the outer handle (7), the engagement length of the threaded connection between the second extension shaft (15) and the outer handle (7) is less than or equal to 10mm, the engagement overlapping part of the second extension shaft (15) and the second transmission shaft (6), the engagement overlapping part of the second extension shaft (15) and the outer handle (7) is provided with an opening retainer ring (8), the second extension member (16) is arranged on the second extension shaft (15) in a penetrating manner, the second extension member (16) is fixedly connected with the main body (1) through a fourth locking screw (17), the profile of the second extension member (16) is identical to the profile of the main body (1), the second extension member (16) has a plurality of specifications, and the second extension member (16) has a plurality of specifications.
  7. 7. A lock cylinder with two extendable ends according to claim 6, characterized in that the second extension shaft (15) is provided with two bayonets (151) at the end screwed with the outer handle (7) into which the split collars (8) are snapped.
  8. 8. The lock cylinder with two lengthened ends according to claim 6, characterized in that a fourth positioning groove (18) is formed on an end face of the lock cylinder main body (1) close to the outer side of the door, a third positioning protrusion (161) is formed on an end face of the second extension piece (16) close to the lock cylinder main body (1), the fourth positioning groove (18) and the third positioning protrusion (161) can form concave-convex fit so as to prevent the lock cylinder main body (1) and the second extension piece (16) from rotating relatively, a fifth positioning groove (162) is further formed on an end face of the second extension piece (16) far away from the lock cylinder main body (1), and the fifth positioning groove (162) can form concave-convex fit with the third positioning protrusion (161) of the other second extension piece (16) so as to prevent the two second extension pieces (16) from rotating relatively.
  9. 9. The lock cylinder with two lengthened ends according to claim 6, characterized in that a third through hole (163) for allowing one end of a fourth locking screw (17) to pass through is formed in the second extension piece (16), and a fifth locking threaded hole (19) for allowing the fourth locking screw (17) to pass through the third through hole (163) and be connected with the fourth locking screw through threads is formed in the end face of one end, close to the outer side of the door, of the lock cylinder body (1).

Description

Lock cylinder with two lengthened ends Technical Field The utility model relates to a lock cylinder, in particular to a lock cylinder with two lengthened ends. Background In order to adapt to door bodies with different thicknesses at present, and to avoid producing lock cylinders with various lengths at the same time, a lock cylinder with an adjustable length needs to be designed, such as a lengthened lock cylinder structure disclosed in Chinese patent application publication No. CN113685090A, and the structure is characterized in that the lock cylinder main body is divided into a plurality of parts, and the length of the whole lock cylinder main body is lengthened in the form of an increased connecting piece during assembly, so that the length of the whole lock cylinder is increased to adapt to thicker door bodies. However, in the solution, the length of the lock cylinder body needs to be adjusted only by disassembling the lock cylinder body, but the lock cylinder body is the most precise part of the whole lock cylinder structure, once a certain part is installed wrongly, the lock cylinder can not work normally, which results in extremely high difficulty and long time consumption in disassembling the lock cylinder body, and the actual operation process of actually adjusting the length of the lock cylinder is inconvenient. Therefore, how to overcome the above-mentioned drawbacks has become an important issue to be solved by the person skilled in the art. Disclosure of utility model The utility model overcomes the defects of the technology and provides the lock cylinder with the two ends capable of being lengthened. In order to achieve the above purpose, the present utility model adopts the following technical scheme: The utility model provides a lock core that both ends can lengthen, includes lock core main part 1, lock core main part 1 is equipped with the first transmission shaft 2 that stretches out to the door inboard, first transmission shaft 2 is connected synchronous rotation with dialling 3, be equipped with a plurality of first locating holes 21 along radial extension along axial evenly distributed on the first transmission shaft 2, the cover is equipped with interior handle 4 on the first transmission shaft 2, interior handle 4 lateral wall is equipped with second locating screw hole 41, second locating screw hole 41 female screw connection has first stop screw 5, first stop screw 5 terminal passes second locating screw hole 41 and inserts in one of them first locating hole 21, still be equipped with the second transmission shaft 6 that stretches out to the door outside on the lock core main part 1, whether synchronous rotation between second transmission shaft 6 and the dialling 3 is passed through the control of automatically controlled clutch subassembly between them, threaded connection has outer handle 7 on the second transmission shaft 6, the meshing overlapping portion department card of outer handle 7 and second transmission shaft 6 is equipped with opening retaining ring 8, threaded connection's meshing length between outer handle 7 and the second transmission shaft 6 is less than or equal to 10mm. Preferably, the lock cylinder further comprises at least one first extension piece 9, the first extension piece 9 is arranged between the lock cylinder main body 1 and the inner handle 4 in a penetrating manner on the first transmission shaft 2, the first extension piece 9 has a plurality of length specifications, the first extension piece 9 is fixedly connected with the lock cylinder main body 1 through a second locking screw 10, and the outer contour of the first extension piece 9 is identical with the outer contour of the lock cylinder main body 1. Preferably, the first positioning groove 11 is formed on the end surface of the lock cylinder main body 1, which is close to the inner side of the door, the first positioning protrusion 91 is formed on the end surface of the first extension piece 9, which is close to the lock cylinder main body 1, the first positioning groove 11 and the first positioning protrusion 91 can form concave-convex fit so as to prevent the lock cylinder main body 1 and the first extension piece 9 from rotating relatively, the second positioning groove 92 is further formed on the end surface of the first extension piece 9, which is far away from the lock cylinder main body 1, and the second positioning groove 92 can form concave-convex fit with the first positioning protrusion 91 of the other first extension piece 9 so as to prevent the two first extension pieces 9 from rotating relatively. Preferably, the first extension piece 9 is provided with a first through hole 93 through which one end of the second locking screw 10 passes, and the end face of one end of the lock cylinder main body 1 near the inner side of the door is provided with a third locking threaded hole 12 through which the second locking screw 10 passes through the first through hole 93 and is connected wit