CN219946002U

CN219946002U - Hand-pulling screwdriver

Info

Publication number: CN219946002U
Application number: CN202223263315.4U
Authority: CN
Inventors: 文进初
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-12-06
Filing date: 2022-12-06
Publication date: 2023-11-03
Anticipated expiration: 2032-12-06

Abstract

The utility model discloses a hand-pulled screwdriver which comprises a shell, wherein an accommodating space is formed in the shell, a rotating shaft is arranged in the accommodating space of the shell, a ratchet wheel is arranged at one end of the shell, a spiral spring rotating device is arranged at the other end of the shell, the ratchet wheel is connected with one end of the rotating shaft, the other end of the rotating shaft is connected with the spiral spring rotating device, and a screwdriver bit is arranged at one end of the ratchet wheel through a connecting piece. The utility model realizes the unidirectional rotation or locking function of the hand-pulled screwdriver by arranging a series of structures and matching the rotating shaft with the ratchet wheel and the spiral spring rotating device through the rotating shaft arranged in the accommodating space of the shell and by matching the spiral spring and the stay wire on the rotating wire wheel with the unidirectional bearing through unidirectional rotation or locking of the ratchet wheel, and compared with the manual rotation of the traditional screwdriver, the hand-pulled screwdriver is more convenient, efficient and labor-saving and has stronger practicability.

Description

Hand-pulling screwdriver

Technical Field

The utility model relates to the technical field of screwdrivers, in particular to a hand-pulled screwdrivers.

Background

A screwdriver is a common tool used to turn screws into place and typically has a thin wedge-shaped head that is inserted into a slot or recess in the screw head, and the screwdriver uses the principle of operation of the axle when it is used to turn screws. The larger the wheel is, the more labor-saving is, so the screwdriver with a thick handle is more labor-saving than the screwdriver with a thin handle is used for screwing the screw.

The screw driver on the current market is assembled by handle and screw driver head, need the manual handle that rotates when screwing up the screw to operate, because the range that every turn personnel rotated the screw driver is certain, need repeatedly screw up the screw driver many times, consequently screw driver rotation operation is wasted time and energy.

Disclosure of Invention

The present utility model is directed to a hand-pulled screwdriver, which solves the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a hand screwdriver, includes the shell, the inside of shell is equipped with the accommodation space, be equipped with the axis of rotation in the accommodation space of shell, the one end of shell is equipped with the ratchet, the other end of shell is equipped with spiral spring slewer, the ratchet is connected with the one end of axis of rotation, the other end and the spiral spring slewer of axis of rotation are connected, the one end of ratchet is equipped with the screwdriver head through the connecting piece.

Preferably, the spiral spring rotating device comprises a one-way bearing, a rotating wire wheel, a stay wire, spiral springs and a top cover, wherein the two one-way bearings are arranged, one end of the rotating shaft is connected with the rotating wire wheel through one-way bearing, the spiral springs are arranged in the rotating wire wheel, the rotating wire wheel on one side of each spiral spring is connected with the top cover through the other one-way bearing, the stay wire is wound on the rotating wire wheel and connected with the stay wire, and the stay wire penetrates through the shell through a perforation.

Preferably, the unidirectional rotation and locking of the ratchet wheel are arranged corresponding to the unidirectional bearing, and the top cover is buckled and connected with the shell.

Preferably, the stay wire adopts high strength nylon rope, one end of stay wire runs through the shell and is equipped with the pull ring, the diameter of pull ring is greater than the aperture setting of perforation.

Preferably, the connecting piece adopts a pressing telescopic bayonet, the ratchet is provided with the pressing telescopic bayonet, and the pressing telescopic bayonet is connected with the screwdriver head through a pressing buckle.

Preferably, the shell is arranged in a V-shaped structure, and one end of the V-shaped structure of the shell is arranged in a cylindrical structure.

Compared with the prior art, the utility model has the beneficial effects that:

this hand-operated screwdriver through the axis of rotation that sets up in shell accommodation space, axis of rotation and ratchet, spiral spring slewer cooperation, utilizes spiral spring and acting as go-between on the gyration line wheel, through the unidirectional rotation or the locking of ratchet and unidirectional bearing cooperation, realizes the unidirectional rotation or the function of locking of hand-operated screwdriver, compares in traditional screwdriver's manual rotation, and this hand-operated screwdriver is more convenient, high-efficient, laborsaving, and the practicality is stronger.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a spiral spring rotary device according to the present utility model;

fig. 3 is a schematic structural view of the housing in the present utility model.

In the figure: the ratchet wheel comprises a shell 1, a rotating shaft 2, a ratchet wheel 3, a pressing telescopic bayonet 4, a screwdriver head 5, a scroll spring rotating device 6, a one-way bearing 60, a rotating wire wheel 61, a stay wire 62, a scroll spring 63 and a top cover 64.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Examples

As shown in fig. 1 to 3, the hand-pulled screwdriver of the embodiment comprises a housing 1, a containing space is arranged in the housing 1, a rotating shaft 2 is arranged in the containing space of the housing 1, a ratchet wheel 3 is arranged at one end of the housing 1, a spiral spring rotating device 6 is arranged at the other end of the housing 1, the ratchet wheel 3 is connected with one end of the rotating shaft 2, the other end of the rotating shaft 2 is connected with the spiral spring rotating device 6, one end of the ratchet wheel 3 is provided with a screwdriver head 5 through a connecting piece, the spiral spring rotating device 6 achieves the function of unidirectional rotation or locking of the hand-pulled screwdriver, and compared with the manual rotation of a traditional screwdriver, the hand-pulled screwdriver is more convenient, efficient, labor-saving and high in practicability.

Specifically, the spiral spring rotating device 6 includes a unidirectional bearing 60, a rotating wire wheel 61, a pull wire 62, spiral springs 63 and a top cover 64, the unidirectional bearing 60 is provided with two, one end of the rotating shaft 2 is connected with the rotating wire wheel 61 through one unidirectional bearing 60, the spiral springs 63 are arranged in the rotating wire wheel 61, the rotating wire wheel 61 on one side of the spiral springs 63 is connected with the top cover 64 through the other unidirectional bearing 60, the pull wire 62 is wound and connected on the rotating wire wheel 61, the pull wire 62 is arranged by penetrating through the shell 1 through a perforation, and the rotating shaft 2 does not reversely rotate through the cooperation of the unidirectional bearing 60 and the ratchet wheel 3, so that the unidirectional rotation or locking function of the hand-pulled screwdriver is realized.

Further, the unidirectional rotation and locking of the ratchet wheel 3 are correspondingly arranged with the unidirectional bearing 60, the top cover 64 is buckled with the shell 1, the unidirectional bearing 60, the rotary wire wheel 61, the stay wire 62 and the scroll spring 63 are arranged in the accommodating space of the shell 1, and the assembly is convenient.

Further, the pull wire 62 adopts high strength nylon rope, one end of the pull wire 62 is provided with a pull ring penetrating through the shell 1, and the diameter of the pull ring is larger than the perforated aperture, so that the pull wire 62 is conveniently pulled.

Further, the connecting piece adopts to press the flexible bayonet socket 4, be equipped with on the ratchet 3 and press flexible bayonet socket 4, press the buckle to be connected between flexible bayonet socket 4 of pressing and the screwdriver bit 5, conveniently change screwdriver bit 5.

Furthermore, the shell 1 is arranged in a V-shaped structure, and one end of the V-shaped structure of the shell 1 is arranged in a cylindrical structure, so that the handle is comfortable to hold.

The application method of the embodiment is as follows: firstly, the adaptive screwdriver bit 5 is assembled on the ratchet wheel 3 of the hand-pulled screwdriver shell 1 through pressing the telescopic bayonet 4, the rotary wire wheel 61 is pulled by the pull wire 62 to drive the rotating shaft 2 to rotate, meanwhile, the scroll spring 63 is contracted, the pull wire 62 is loosened, the scroll spring 63 stretches elastically to drive the rotary wire wheel 61 to reversely rotate to recover the pull wire 62, the rotating shaft 2 does not reversely rotate through the cooperation of the unidirectional bearing 60 and the ratchet wheel 3, the unidirectional rotation or locking function of the hand-pulled screwdriver is realized, and compared with the manual rotation of the traditional screwdriver, the hand-pulled screwdriver is more convenient, efficient, labor-saving and higher in practicability.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. Hand screwdriver, including shell (1), its characterized in that: the novel spiral rotary machine is characterized in that a containing space is formed in the shell (1), a rotating shaft (2) is arranged in the containing space of the shell (1), a ratchet wheel (3) is arranged at one end of the shell (1), a spiral spring rotating device (6) is arranged at the other end of the shell (1), the ratchet wheel (3) is connected with one end of the rotating shaft (2), the other end of the rotating shaft (2) is connected with the spiral spring rotating device (6), and a screwdriver head (5) is arranged at one end of the ratchet wheel (3) through a connecting piece.

2. A hand-operated screwdriver as claimed in claim 1, wherein: the spiral spring rotating device (6) comprises one-way bearings (60), rotating wire wheels (61), a pull wire (62), spiral springs (63) and a top cover (64), wherein the two one-way bearings (60) are arranged, one end of a rotating shaft (2) is connected with the rotating wire wheels (61) through one-way bearing (60), the spiral springs (63) are arranged in the rotating wire wheels (61), the rotating wire wheels (61) on one side of each spiral spring (63) are connected with the top cover (64) through the other one-way bearing (60), the pull wire (62) is wound on the rotating wire wheels (61) in a connecting mode, and the pull wire (62) penetrates through the shell (1) through a perforation.

3. A hand-operated screwdriver as claimed in claim 2, wherein: the unidirectional rotation and locking of the ratchet wheel (3) are correspondingly arranged with the unidirectional bearing (60), and the top cover (64) is buckled and connected with the shell (1).

4. A hand-operated screwdriver as claimed in claim 2, wherein: the stay wire (62) adopts high strength nylon rope, one end of stay wire (62) runs through shell (1) and is equipped with the pull ring, the diameter of pull ring is greater than the aperture setting of perforation.

5. A hand-operated screwdriver as claimed in claim 1, wherein: the connecting piece adopts to press flexible bayonet socket (4), be equipped with on ratchet (3) and press flexible bayonet socket (4), press between flexible bayonet socket (4) and screwdriver head (5) to press the buckle and be connected.

6. A hand-operated screwdriver as claimed in claim 1, wherein: the shell (1) is arranged in a V-shaped structure, and one end of the V-shaped structure of the shell (1) is arranged in a cylindrical structure.