Lock with split type handle

Abstract

The utility model relates to a lock with a split type handle, which comprises a lock body, a rotating column, a handle and a connecting piece, the lock body is provided with a lock head, the rotating column is arranged on the lock head and drives the lock head, one end of the connecting piece is arranged in the rotating column, and the other end of the connecting piece is arranged on the handle and drives the rotating column by the handle.

Description

TECHNICAL FIELD

[0001] The utility model relates to a lock with split handle, in particular to a lock with split handle. BACKGROUND

[0002] Locks are common security devices, widely used in doors, windows, cabinets, drawers and other scenes; among them, the handle is an important part of the lock, which directly interacts with the user, and is used to transmit torque to drive the lock tongue or lock point to complete the unlocking and locking action.

[0003] In the existing lock manufacturing technology, especially for the lock with high appearance quality, the handle is usually made of metal material and manufactured integrally by aluminum drawing forming process; specifically, the process is to manufacture the handle holding part and the internal rotating column into an inseparable whole member in one aluminum drawing forming.

[0004] However, the integral forming manufacturing method has problems of high manufacturing cost, low yield, difficult maintenance, etc. INVENTION CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model aims to provide a lock with split handle.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: including lock body, the lock body has lock head, still including rotating column, handle and connecting piece, the rotating column is arranged on the lock head and constitutes the drive to the lock head, the connecting piece one end is arranged in the rotating column, the other end is arranged on the handle and constitutes the drive of the handle to the rotating column.

[0007] By adopting the above technical scheme, when the user rotates the handle, the torque is transmitted to the rotating column through the connecting piece, and the rotating column drives the lock head to realize unlocking or locking; the split design avoids the integral forming of the handle and the rotating column, reduces the manufacturing cost, improves the yield, and facilitates the maintenance and replacement of the handle.

[0008] The utility model is further provided as follows: the connecting piece includes linkage piece, connecting rod and locking piece, the linkage piece and the locking piece are perpendicular to the connecting rod and located at both ends of the connecting rod, the linkage piece is opposite to the rotating column, and the locking piece is opposite to the handle.

[0009] By adopting the above technical scheme, the connecting piece is composed of the linkage piece, the connecting rod and the locking piece, the linkage piece cooperates with the rotating column, and the locking piece cooperates with the handle to realize torque transmission; the structure is simple, easy to assemble, improves the force transmission efficiency and stability, and avoids the stress concentration problem caused by integral forming.

[0010] The utility model further sets up: the linkage piece outwardly extending is provided with extension protruding, the linkage piece center is provided with linkage hole, the rotation post is provided with the sliding hole that linkage piece slips in.

[0011] Through adopting above technical scheme, the extension protruding and linkage hole on the linkage piece cooperate with the sliding hole in the rotation post, make the linkage piece slide in the rotation post and transmit the torque, enhance the cooperation precision of the linkage piece and the rotation post, prevent the falling or the misplacement, improve the reliability and the service life of transmission.

[0012] The utility model further sets up: the sliding hole end part is provided with the extension groove that extends to both sides and the extension groove is opposite to part locking piece.

[0013] Through adopting above technical scheme, the extension groove of sliding hole end part is opposite to part locking piece, allows locking piece to release or limit in specific position, provides more flexible assembly and disassembly mode, is convenient for maintenance and replacement, and strengthens the adaptability of structure.

[0014] The utility model further sets up: the linkage piece and locking piece are located at the both sides of connecting rod respectively and the linkage piece is parallel with locking piece.

[0015] Through adopting above technical scheme, the linkage piece and locking piece are located at the both sides of connecting rod respectively and parallel, make force transmission more uniform, reduce the eccentric load phenomenon in the torque transmission process, improve transmission efficiency and structural stability.

[0016] The utility model further sets up: the handle includes upper handle and lower handle, and the upper handle and the lower handle are buckled, the upper handle is provided with handle hole, locking piece is provided with fixed hole opposite to handle hole, and handle hole and fixed hole constitute the fixing of handle and connecting piece through screw.

[0017] Through adopting above technical scheme, the handle is divided into upper handle and lower handle, is fixed through buckling, and the fixed hole on the locking piece is aligned with the handle hole of the upper handle, which is convenient for installation and locking, and the modular design is convenient for manufacturing and maintenance, and the buckle structure simplifies the assembly process and reduces the cost.

[0018] The utility model further sets up: the upper handle is provided with sliding block, and the outer wall of rotation post is provided with sliding groove opposite to sliding block. ACCURACY

[0019] Figure 1 It is the overall structural schematic drawing of the utility model;

[0020] Figure 2 It is the explosion drawing of the utility model as a whole;

[0021] Figure 3It is a structure schematic view of the connecting piece of the utility model.

[0022] Figure 4 It is a structure schematic view of the rotating column of the utility model.

[0023] Figure 5 It is a structure schematic view of the upper handle of the utility model.

[0024] In the figure: 1, lock body; 2, lock head; 3, rotating column; 31, sliding hole; 32, extension groove; 33, sliding groove; 4, handle; 41, upper handle; 42, lower handle; 43, handle hole; 44, sliding block; 5, connecting piece; 51, linkage piece; 52, connecting rod; 53, locking piece; 54, extension protrusion; 55, linkage hole; 56, fixing hole. DETAILED DESCRIPTION

[0025] The technical scheme of the utility model will be described clearly and completely below in conjunction with the drawings, obviously, the described embodiments are a part of embodiments of the utility model, not all embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the protection scope of the utility model.

[0026] In the description of the utility model, it is necessary to explain that the orientation or position relation indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or position relation shown in the drawings, only for the convenience of describing the utility model and simplifying the description, and not indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0027] As Figures 1-5 Indicated, the utility model discloses a kind of lock with split handle, including lock body 1, lock body 1 has lock head 2, further include rotating column 3, handle 4 and connecting piece 5, rotating column 3 is set on lock head 2 and constitutes the drive to lock head 2, connecting piece 5 one end is set in rotating column 3, the other end is set on handle 4 and constitutes the drive of handle 4 to rotating column 3, when user rotates handle 4, torque is transmitted to rotating column 3 by connecting piece 5, rotating column 3 drives lock head 2 to realize unlocking or locking;Split design avoids handle 4 and rotating column 3 integrated, reduce manufacturing cost, improve yield, while it is convenient to repair and replace handle 4.

[0028] The connecting piece 5 comprises a linkage sheet 51, a connecting rod 52 and a locking sheet 53, the linkage sheet 51 and the locking sheet 53 are perpendicular to the connecting rod 52 and are located at both ends of the connecting rod 52, the linkage sheet 51 is opposite to the rotating column 3, the locking sheet 53 is opposite to the handle 4, the connecting piece 5 is composed of the linkage sheet 51, the connecting rod 52 and the locking sheet 53, the linkage sheet 51 cooperates with the rotating column 3, the locking sheet 53 cooperates with the handle 4, and torque transmission is realized; the structure is simple, the assembly is convenient, the force transmission efficiency and stability are improved, and the stress concentration problem caused by integral molding is avoided.

[0029] The linkage sheet 51 is provided with an extension protrusion 54 extending outward, and the linkage sheet 51 is provided with a linkage hole 55 in the center, and the rotating column 3 is provided with a sliding hole 31 for the linkage sheet 51 to slide, the extension protrusion 54 and the linkage hole 55 on the linkage sheet 51 cooperate with the sliding hole 31 in the rotating column 3, so that the linkage sheet 51 slides in the rotating column 3 and transmits torque; the cooperation precision of the linkage sheet 51 and the rotating column 3 is enhanced, the falling off or misplacement is prevented, and the reliability and service life of the transmission are improved.

[0030] The end of the sliding hole 31 is provided with an extension groove 32 extending to both sides and opposite to part of the locking sheet 53, the extension groove 32 at the end of the sliding hole 31 is opposite to part of the locking sheet 53, allowing the locking sheet 53 to be limited or released at a specific position; a more flexible assembly and disassembly mode is provided, which is convenient for maintenance and replacement, and the adaptability of the structure is enhanced.

[0031] The linkage sheet 51 and the locking sheet 53 are located on both sides of the connecting rod 52 and are parallel to each other, and the linkage sheet 51 and the locking sheet 53 are located on both sides of the connecting rod 52 and are parallel, so that the force transmission is more uniform; the unbalanced load phenomenon in the torque transmission process is reduced, and the transmission efficiency and structural stability are improved.

[0032] The handle 4 comprises an upper handle 41 and a lower handle 42, the upper handle 41 and the lower handle 42 are buckled and cooperated, the upper handle 41 is provided with a handle hole 43, the locking sheet 53 is provided with a fixing hole 56 opposite to the handle hole 43, the handle hole 43 and the fixing hole 56 constitute the fixing of the handle 4 and the connecting piece 5 through screws, the handle 4 is divided into the upper handle 41 and the lower handle 42 and is fixed through buckling cooperation, the fixing hole 56 on the locking sheet 53 is aligned with the handle hole 43 of the upper handle 41, which is convenient for installation and locking; the modular design is convenient for manufacturing and maintenance, the buckle structure simplifies the assembly process and reduces the cost.

[0033] The upper handle 41 is provided with a sliding block 44, and the outer wall of the rotating column 3 is provided with a sliding groove 33 opposite to the sliding block 44.

[0034] Working process: when assembling, first slide the linkage piece 51 of the connecting piece 5 into the sliding hole 31 of the rotating column 3, then make the handle hole 43 of the upper handle 41 opposite to the fixing hole 56 and fix by screw, then slide the lower handle 42 into the other end of the rotating column 3 and form fixing by buckling with the upper handle 41, finally align the rotating column 3 with the lock head 2 and fix the lock head 2 with the rotating column 3 by screw; when the user rotates the handle 4, the upper handle 41 and the lower handle 42 of the handle 4 rotate together by buckling, the sliding block 44 inside the upper handle 41 engages with the sliding groove 33 of the outer wall of the rotating column 3 to transmit torque; at the same time, the locking piece 53 fixed in the handle 4 drives the other end of the linkage piece 51 to move through the connecting rod 52, finally the movement of the linkage piece 51 drives the rotating column 3 to rotate, thereby driving the lock head 2 to complete the unlocking or locking action.

Claims

1. A lock with a split handle, comprising a lock body (1) having a lock head (2) on the lock body (1), characterized in that: It also includes a rotating column (3), a handle (4) and a connector (5). The rotating column (3) is set on the lock head (2) and constitutes the drive of the lock head (2). One end of the connector (5) is set inside the rotating column (3), and the other end is set on the handle (4) and constitutes the drive of the handle (4) on the rotating column (3).

2. A lock with a split handle according to claim 1, characterized in that: The connecting piece (5) includes a linkage plate (51), a connecting rod (52) and a locking plate (53). The linkage plate (51) and the locking plate (53) are perpendicular to the connecting rod (52) and located at both ends of the connecting rod (52). The linkage plate (51) is opposite to the rotating column (3), and the locking plate (53) is opposite to the handle (4).

3. A lock with a split handle according to claim 2, characterized in that: The linkage plate (51) extends outward with an extension protrusion (54), and the linkage plate (51) has a linkage hole (55) at its center. The rotating column (3) has a sliding hole (31) for the linkage plate (51) to slide.

4. A lock with a split handle according to claim 3, characterized in that: The sliding hole (31) is provided with an extension groove (32) extending to both sides at its end, and the extension groove (32) is opposite to a portion of the locking piece (53).

5. A lock with a split handle according to claim 2, characterized in that: The linkage plate (51) and locking plate (53) are located on both sides of the connecting rod (52) and the linkage plate (51) and locking plate (53) are parallel to each other.

6. A lock with a split handle according to claim 2, characterized in that: The handle (4) includes an upper handle (41) and a lower handle (42). The upper handle (41) and the lower handle (42) are engaged with each other. The upper handle (41) is provided with a handle hole (43). The locking piece (53) is provided with a fixing hole (56) opposite to the handle hole (43). The handle hole (43) and the fixing hole (56) are fixed to the connector (5) by screws.

7. A lock with a split handle according to claim 6, characterized in that: The upper handle (41) is provided with a sliding block (44), and the outer wall of the rotating column (3) is provided with a sliding groove (33) opposite to the sliding block (44).

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