CN210307564U - Universal hand-operated detachable combined screwdriver - Google Patents

Abstract

The utility model belongs to the instrument class in the machinery trade, in particular to universal hand can dismantle combination formula screwdriver. The fixed cyclic annular bearing mount that is equipped with of top horizontal direction in rectangular shell is one, the annular ring internal fixation at bearing mount one is equipped with antifriction bearing one, the fixed annular bearing mount two of awl that is equipped with on the circumference wall at shell middle part, the rigidity cutter arbor is equipped with in the protective sheath, the fixed magnetic trough of belt button head that is equipped with in the top of flexible cutter arbor, through the removable sword of mortise and tenon joint structure cartridge on magnetic trough of belt button head and criticize, bevel gear one meshes the transmission and connects bevel gear two, bevel gear two passes through the key equipment on the left end of crank, the crank is worn to adorn in the hole of taking the axle sleeve on the circumference wall of shell and the hole of antifriction bearing two. The flexible cutter bar is made of spring materials, and the corrugated metal hose is additionally arranged, so that various bending of the screwdriver bar can be effectively guaranteed, dust accumulation in the cutter bar can be prevented, and the probability of accidental injury during working can be reduced; the multifunctional knife has the function of multiple purposes.

Description

Universal hand-operated detachable combined screwdriver

Technical Field

The utility model belongs to the instrument class in the machinery trade, in particular to universal hand can dismantle combination formula screwdriver.

Background

Most of the existing screwdrivers are straight, L-shaped and T-shaped in structural shape, a large space is needed when the screwdrivers are used for disassembling and assembling screws, time and labor are wasted when the screws cannot be conveniently assembled or disassembled in places with narrow space, and the screwdrivers have the defects of inconvenient operation and even incapability of being used in some occasions.

Disclosure of Invention

The utility model aims to overcome the technical insufficiency, provide a simple structure, application scope is wide, convenient to use is nimble universal hand can dismantle combination formula screwdriver.

The utility model provides a technical scheme that technical problem adopted is: the universal hand-operated detachable combined screwdriver comprises a shell, a first bearing fixing frame, a first rolling bearing, a second bearing fixing frame, a second rolling bearing and a crank, and is characterized in that a first annular bearing fixing frame is fixedly arranged in the rectangular shell in the upper horizontal direction, the first rolling bearing is fixedly arranged in a ring hole of the first bearing fixing frame, the second conical annular bearing fixing frame is fixedly arranged on a circumferential wall in the middle of the shell, the second rolling bearing is fixedly arranged in the ring hole of the second bearing fixing frame, a protective sleeve is arranged in an inner hole of the first rolling bearing, a rigid cutter bar is arranged in the protective sleeve, the lower end of the rigid cutter bar is fixedly connected with the first bevel gear by a key, the upper end of the rigid cutter bar is connected with the lower end of the flexible cutter bar, a metal corrugated hose is sleeved on the peripheries of the flexible cutter bar and the rigid cutter bar, a magnetic grooved handle head, the first bevel gear is in meshing transmission connection with the second bevel gear, the second bevel gear is installed on the left end head of the crank through a key, and the crank is installed in a hole with a shaft sleeve on the circumferential wall of the shell and an inner hole of the second rolling bearing in a penetrating mode.

The utility model has the advantages that: the universal hand-operated detachable combined screwdriver can effectively overcome the problem of inconvenient operation in a narrow space, and the flexible screwdriver rod is made of a spring material and is additionally provided with the metal corrugated hose, so that various bending of the screwdriver rod can be effectively ensured, dust accumulation in the screwdriver rod can be prevented, and the probability of accidental injury during work can be reduced; when screwing the screw, the working principle of the wheel shaft is applied, the screwdriver bit and the flexible screwdriver rod are designed to be detachable, and the detached screwdriver rod can also be applied to an electric screwdriver; the screwdriver is of a detachable screwdriver structure and is provided with various screwdriver blades, so that the function of one blade with multiple purposes is realized.

Drawings

The following description is made in detail by way of example with reference to the accompanying drawings.

Fig. 1 is a structure view of a universal hand-operated detachable combined screwdriver.

In the figure: 1-detachable cutter batch; 2-magnetic handle with slot; 3, a flexible cutter bar; 4-metal corrugated hose; 5-a rigid cutter bar; 6-protective sleeve; 7, rolling bearing I; 8, a first bearing fixing frame; 9-a crank; 10-bevel gear one; 11-bearing fixing frame II; 12-rolling bearing II; 13-bevel gear two; 14-a housing; 14-1-shaft sleeve.

Detailed Description

In the embodiment, referring to fig. 1, a universal hand-operated detachable combined screwdriver is characterized in that a ring-shaped bearing fixing frame I8 is fixedly arranged in the upper horizontal direction in a rectangular shell 14, and a rolling bearing I7 is fixedly arranged in a ring hole of the bearing fixing frame I8. A conical ring-shaped bearing fixing frame II 11 is fixedly arranged on the circumferential wall of the inner middle part of the shell 14, and a rolling bearing II 12 is fixedly arranged in a ring hole of the bearing fixing frame II 11. A protective sleeve 6 is arranged in an inner hole of the rolling bearing I7, a rigid cutter bar 5 is arranged in the protective sleeve 6, the lower end of the rigid cutter bar 5 is fixedly connected with the bevel gear I10 through a key, the upper end of the rigid cutter bar 5 is connected with the lower end of the flexible cutter bar 3, and the flexible cutter bar 3 is made of spring materials. The periphery of the flexible cutter bar 3 and the rigid cutter bar 5 is sleeved with a metal corrugated hose 4, the top end of the flexible cutter bar 3 is fixedly provided with a magnetic grooved crown 2, and the magnetic grooved crown 2, the flexible cutter bar 3, the rigid cutter bar 5 and the metal corrugated hose 4 are assembled into a whole. A detachable knife batch 1 is inserted on the magnetic handle 2 with the slot through a mortise and tenon structure. The bevel gear I10 is in meshing transmission connection with a bevel gear II 13, the bevel gear II 13 is installed on the left end head of the crank 9 through a key, and the crank 9 penetrates through a hole with a shaft sleeve 14-1 on the circumferential wall of the shell 14 and an inner hole of a rolling bearing II 12.

The universal hand-operated detachable combined screwdriver has the working process that: during operation, the detachable screwdriver 1 to be used is placed on the magnetic slotted crown 2, used screwdriver heads are mounted, the crank 9 is rotated to drive the bevel gear II 13 to rotate, the bevel gear I10 meshed with the bevel gear II 13 rotates, the rigid cutter bar 5 and the flexible cutter bar 3 connected with the bevel gear I10 rotate simultaneously, and the screwdriver on the magnetic slotted crown 2 rotates to fasten and detach screws. The magnetic handle 2 with the groove, the flexible cutter bar 3, the rigid cutter bar 5 and the metal corrugated pipe 4 are assembled and disassembled integrally, and then assembled on an electric screwdriver, and the electric screwdriver can be used as well.

Claims (1)

1. A universal hand-operated detachable combined screwdriver comprises a shell (14), a first bearing fixing frame (8), a first rolling bearing (7), a second bearing fixing frame (11), a second rolling bearing (12) and a crank (9), and is characterized in that the first annular bearing fixing frame (8) is fixedly arranged in the rectangular shell (14) in the upper horizontal direction, the first rolling bearing (7) is fixedly arranged in an annular hole of the first bearing fixing frame (8), the second conical annular bearing fixing frame (11) is fixedly arranged on the circumferential wall of the middle part in the shell (14), the second rolling bearing (12) is fixedly arranged in the annular hole of the second bearing fixing frame (11), a protective sleeve (6) is arranged in an inner hole of the first rolling bearing (7), a rigid cutter bar (5) is arranged in the protective sleeve (6), and the lower end of the rigid cutter bar (5) is fixedly connected with the first conical bearing (10) through, the upper end of a rigid cutter bar (5) is connected with the lower end of a flexible cutter bar (3), a metal corrugated hose (4) is sleeved on the peripheries of the flexible cutter bar (3) and the rigid cutter bar (5), a magnetic slotted crown (2) is fixedly arranged on the top end of the flexible cutter bar (3), a detachable cutter batch (1) is inserted on the magnetic slotted crown (2) through a mortise and tenon structure, a bevel gear I (10) is in meshed transmission connection with a bevel gear II (13), the bevel gear II (13) is installed on the left end head of a crank (9) through a key, and the crank (9) is installed in a hole with a shaft sleeve (14-1) and an inner hole of a rolling bearing II (12) on the circumferential wall of a shell (14) in a penetrating mode.

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