Lock body structure with door handle convenient to replace

Abstract

The lock body structure comprises a shell and the handle, the shell is rotationally provided with a rotating shaft, the handle is provided with a plug-in cavity, the rotating shaft is matched with the plug-in cavity in a plug-in mode, a plurality of grooves are formed in the outer wall of the rotating shaft, the ends, facing the handle, of the grooves are open, and the handle is arranged on the outer wall of the rotating shaft. A plurality of convex ribs opposite to the grooves are arranged in the opposite inserting cavity, the convex ribs are matched with the grooves in an inserting mode, a limiting assembly used for restraining the convex ribs from being separated from the grooves is rotationally arranged in the rotating shaft, and the ends, close to openings of the grooves, of the convex ribs are attached to the limiting assembly for limiting. According to the limiting assembly, the protruding rib is restrained to be separated from the groove, so that the handle is restrained to the rotating shaft. Meanwhile, compared with the prior art, the limiting assembly has the advantages of being convenient to assemble and capable of effectively improving assembling efficiency.

Description

Technical Field

[0001] The utility model relates to a lock body structure with which a door handle can be easily replaced. Background Art

[0002] Prior art, such as Chinese utility model patent document, with announcement number CN220667217U, discloses a lock body structure with a handle that is easy to disassemble, including a lock body and a handle, a handle rotating part is rotatably arranged on the lock body, the handle includes a handle body and a handle sleeve, the handle sleeve is plugged and matched with the handle rotating part, a connecting groove with a rear end opening is provided on the handle rotating part, a locking groove that is interconnected with the connecting groove is provided on the handle rotating part, a movable groove is provided on the handle sleeve, a locking block is movably arranged in the movable groove, a rotating sleeve is rotatably arranged on the outer wall of the handle sleeve, and the rotating sleeve is connected to the locking block to drive the locking block to move in the movable groove. In the locked state, the locking block is located in the locking groove, which constrains the forward and backward movement of the handle sleeve relative to the handle rotating part. When disassembly is required, the rotating sleeve is rotated to rotate the locking block out of the locking groove into the connecting groove, the handle moves backward relative to the handle rotating part, and the locking block moves backward along the connecting groove until it is disengaged, thereby completing the disassembly.

[0003] Based on the above, in the prior art, the technical problem is that during production and assembly, multiple locking blocks need to be assembled into the movable grooves one by one. This step consumes a lot of assembly time, which seriously affects the assembly efficiency and production efficiency, and needs further improvement. Utility Model Content

[0004] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model provides a lock body structure that allows a door handle to be easily replaced.

[0005] A lock body structure designed for this purpose that allows easy replacement of door handles comprises a shell and a handle, the shell being rotatably provided with a rotating shaft, the handle being provided with a mating cavity, the rotating shaft being plugged into and fitted with the mating cavity, a plurality of grooves being provided on an outer wall of the rotating shaft, the grooves being opened toward one end of the handle, a plurality of convex ribs being provided in the mating cavity opposite to the grooves, the convex ribs being plugged into and fitted with the grooves, a limiting assembly being rotatably provided in the rotating shaft for restricting the convex rib from detaching from the groove, the end of the convex rib close to the groove opening being fitted with the limiting assembly for limiting.

[0006] Preferably, the interior of the rotating shaft is hollow and is opened toward one end of the handle, the limiting assembly comprises a rotating member rotatably arranged inside the rotating shaft, a limiting plate is arranged at one end of the rotating member close to the handle, and a through groove is arranged at a position of the limiting plate corresponding to the groove;

[0007] A force element is provided inside the rotating shaft to exert a force on the rotating member, and the force causes the through slot and the groove to be misaligned with each other;

[0008] A rotating ring is sleeved on the outer side of the rotating shaft, a track groove is arranged on the rotating shaft, a connecting piece is arranged on the rotating ring, and the connecting piece passes through the track groove and is connected with the rotating piece.

[0009] Preferably, the force element is a torsion spring, one end of which is connected to the rotating member, and the other end of which is fixedly connected to the housing or the rotating shaft.

[0010] Preferably, the rotating shaft is mounted on the housing by means of a bearing.

[0011] The utility model is provided with a limiting assembly for constraining the convex rib from being disengaged from the groove when rotating in the rotating shaft, and the end of the convex rib close to the opening of the groove is fitted with the limiting assembly for limiting. The limiting assembly of the utility model can constrain the convex rib from being disengaged from the groove, so as to constrain the handle to the rotating shaft. At the same time, compared with the prior art, the limiting assembly of the utility model has the advantages of being easy to assemble and effectively improving the assembly efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0013] Figure 2 This is one of the cross-sectional structural schematic diagrams of the utility model;

[0014] Figure 3 For this utility model Figure 2 The enlarged structural diagram at A in the middle;

[0015] Figure 4 This is the second schematic diagram of the cross-sectional structure of the utility model;

[0016] Figure 5 For this utility model Figure 4 The enlarged structural diagram at B in the middle;

[0017] Figure 6 It is a structural schematic diagram of the limit assembly in a locked state;

[0018] Figure 7 It is a structural schematic diagram of the limit assembly in the unlocked state. DETAILED DESCRIPTION

[0019] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0020] See also Figure 1-Figure 7A lock body structure for convenient replacement of door handles, comprising a housing 10 and a handle 30, wherein the housing 10 is rotatably provided with a rotating shaft 20, the handle 30 is provided with a counter-insertion cavity 310, the rotating shaft 20 is plugged and matched with the counter-insertion cavity 310, a plurality of grooves 210 are provided on the outer wall of the rotating shaft 20, the grooves 210 are opened toward one end of the handle 30, a plurality of convex ribs 320 are provided in the counter-insertion cavity 310, the convex ribs 320 are plugged and matched with the grooves 210, a limiting component 40 for constraining the convex ribs 320 from disengaging from the grooves 210 is rotatably provided in the rotating shaft 20, and one end of the convex ribs 320 close to the opening of the grooves 210 is fitted and limited with the limiting component 40. The limiting component of the utility model realizes the constraint of the convex ribs from disengaging from the grooves, so as to realize the constraint of the handle to the rotating shaft. At the same time, compared with the prior art, the limiting component of the utility model has the advantages of convenient assembly and can effectively improve the assembly efficiency.

[0021] See also Figure 1-Figure 7 The rotating shaft 20 is hollow inside and is opened toward one end of the handle 30. The limiting assembly 40 includes a rotating member 410 rotatably disposed inside the rotating shaft 20. A limiting plate 420 is disposed at one end of the rotating member 410 close to the handle 30. A through groove 421 is disposed on the limiting plate 420 at a position corresponding to the groove 210.

[0022] The rotating shaft 20 is provided with a force element 430 that applies a force to the rotating member 410, and the force causes the through slot 421 and the groove 210 to be misaligned with each other;

[0023] A rotating ring 440 is sleeved on the outer side of the rotating shaft 20 . A track groove 220 is provided on the rotating shaft 20 . A connecting member 450 is provided on the rotating ring 440 . The connecting member 450 passes through the track groove 220 and is connected to the rotating member 410 .

[0024] In the absence of other forces, the force element 430 applies a force to the rotating member 410, so that the through slot 421 and the groove 210 are displaced from each other. Figure 3 and Figure 6 As shown, in this state, the rib 320 is constrained by the limiting plate 420 and cannot move backward so that the handle 30 cannot be separated from the rotating shaft 20, thereby locking the handle 30.

[0025] When the handle 30 needs to be disassembled, a force is applied to the rotating ring 410 so that the rotating ring 410 drives the rotating member 410 to rotate through the connecting member 450. During the rotation process, the through slot 421 of the limiting plate 420 gradually approaches the groove 210 until the through slot 421 and the groove 210 overlap each other. When the through slot 421 and the groove 210 overlap, the handle 30 can be pulled out in a direction away from the rotating shaft 20 so that the rib 320 is disengaged from the groove 210, thereby completing the disassembly of the handle 30.

[0026] Furthermore, the track groove 220 constrains the movement of the connecting member 450, that is, constrains the rotation angle of the rotating ring and the limiting plate 430. When the connecting member 450 is located at the head end of the track groove 220, the through groove 421 and the groove 210 are misaligned with each other, and when the connecting member 450 is located at the tail end of the track groove 220, the through groove 421 and the groove 210 overlap with each other.

[0027] In the present invention, the force element 430 is a torsion spring, one end of which is connected to the rotating member 410 , and the other end of which is fixedly connected to the housing 10 or the rotating shaft 20 .

[0028] In the present invention, the rotating shaft 20 is installed on the housing 10 by using a bearing 200 .

[0029] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0030] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicating the orientation or position relationship are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. The terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features.

[0031] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The technicians in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and the description are only to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A lock body structure for convenient replacement of a door handle, comprising a housing (10) and a handle (30), wherein the housing (10) is rotatably provided with a rotating shaft (20), the handle (30) is provided with a counter-insertion cavity (310), the rotating shaft (20) is plugged into and matched with the counter-insertion cavity (310), a plurality of grooves (210) are provided on the outer wall of the rotating shaft (20), the grooves (210) are opened toward one end of the handle (30), a plurality of convex ribs (320) are provided in the counter-insertion cavity (310) and are opposite to the grooves (210), the convex ribs (320) are plugged into and matched with the grooves (210), and the characteristics are: A limiting assembly (40) is rotatably disposed within the rotating shaft (20) for restricting the convex rib (320) from being disengaged from the groove (210); one end of the convex rib (320) close to the opening of the groove (210) is in contact with the limiting assembly (40) for limiting position.

2. A lock body structure for easily replacing a door handle according to claim 1, characterized in that: The interior of the rotating shaft (20) is hollow and is opened toward one end of the handle (30); the limiting assembly (40) comprises a rotating member (410) rotatably arranged inside the rotating shaft (20); a limiting plate (420) is arranged at one end of the rotating member (410) close to the handle (30); and a through groove (421) is arranged at a position of the limiting plate (420) corresponding to the groove (210); A force element (430) is disposed inside the rotating shaft (20) for applying a force to the rotating member (410), and the force causes the through groove (421) and the groove (210) to be misaligned with each other; A rotating ring (440) is sleeved on the outer side of the rotating shaft (20), a track groove (220) is provided on the rotating shaft (20), a connecting member (450) is provided on the rotating ring (440), and the connecting member (450) passes through the track groove (220) and is connected to the rotating member (410).

3. The lock structure for easily replacing a door handle according to claim 2, characterized in that: The force element (430) is a torsion spring, one end of which is connected to the rotating member (410), and the other end of which is fixedly connected to the housing (10) or to the rotating shaft (20).

4. The lock structure for easily replacing a door handle according to claim 1, characterized in that: The rotating shaft (20) is mounted on the housing (10) using a bearing (200).

Images