CN221291087U

CN221291087U - Universal labor-saving screwdriver

Info

Publication number: CN221291087U
Application number: CN202323182669.0U
Authority: CN
Inventors: 魏鑫辰; 王志祥
Original assignee: Yuhu Primary School In Kunshan High Tech Zone
Current assignee: Yuhu Primary School In Kunshan High Tech Zone
Priority date: 2023-11-24
Filing date: 2023-11-24
Publication date: 2024-07-09
Anticipated expiration: 2033-11-24

Abstract

The utility model relates to a universal labor-saving screwdriver, which comprises: the screwdriver comprises a first connecting disc, a second connecting disc, a screwdriver rod, a screwdriver rotating rod, a screwdriver connecting rod, a screwdriver universal connector and a screwdriver bit, wherein the screwdriver universal connector can be connected with screwdriver bits of different specifications and sizes, the screwdriver rotating rod is detachable, and the inside of the screwdriver rotating rod is of a hollow structure. According to the utility model, the screw is conveniently and labor-saving screwed in a narrow space by designing the universal connector of the screw driver capable of universal rotation and the screw driver bit with changeable specification.

Description

Universal labor-saving screwdriver

Technical Field

The invention relates to the field of mechanical tools, in particular to a universal labor-saving screwdriver.

Background

Various maintenance works, such as electrician maintenance, home furniture maintenance, mechanical maintenance and the like, are frequently encountered in life, and a screwdriver is an indispensable tool. But the condition that maintenance working space is narrow often appears, in narrow and small space, when dismantling, installation, the binding to the screw, ordinary screwdriver hardly aligns the tool bit with the screw, and ordinary screwdriver arbor is difficult to smooth and easy rotation in narrow and small space, appears the condition that can't operate even.

At present, the structure of traditional screwdriver mainly comprises tool bit, cutter arbor and handle of a knife, and traditional cutter arbor is a inflexible straight-bar, because the cutter arbor can not be crooked, can produce some troubles when using the screwdriver, for example have the screw of some parts to be in the below of other parts, the straight-bar screwdriver can't screw from the screw directly over, can only incline the cutter arbor an angle or will cover the part of screw and tear first and then screw from directly over, this is inconvenient in daily life, the screw is twisted to the screwdriver under the state of slope, the screw can receive great wearing and tearing because of the eccentric rotation of screw, if dismantle like this can lead to the screw inefficacy like this, still probably damage the screw of screw, reduce the life of screw. Therefore, when the traditional straight rod screwdriver is used for disassembling certain complex parts, a plurality of inconveniences are generated, and the service life of the parts is shortened. The traditional screwdriver still faces the different problem of screw specification, needs to be equipped with the screwdriver of multiple different tool bit specifications in the toolbox usually for carry the quality grow of toolbox, be unfavorable for light carrying out examining and repairing work. The conventional screwdriver also faces the problem that the screwdriver rod may be inconvenient to grip, and in a special narrow space or when the palm of an operator is large, the screwdriver rod may be inconvenient to hold by hands, thereby bringing a plurality of inconveniences to screwing.

Disclosure of utility model

In order to solve the problems in the prior art, the application provides a universal labor-saving screwdriver which can screw screws at multiple angles in a narrow space, so that the whole operation process is simple and quick.

A universal labor-saving screwdriver, comprising: a screwdriver rod as a main body;

the first connecting disc is connected to one end of the screwdriver rod;

The second connecting disc is connected to the other end of the screwdriver rod;

the screwdriver rotating rod is connected to one disc surface of the second connecting disc;

the screwdriver connecting rod is connected to one disc surface of the first connecting disc;

The screwdriver universal connector is connected with the screwdriver connecting rod;

the screwdriver bit is connected with the universal joint of the screwdriver.

As a further improvement of the utility model, a ratchet structure is arranged in the first connecting disc, the ratchet structure comprises a gear and ratchet teeth, the gear is connected with the screwdriver connecting rod, and the gear rotates together with the screwdriver connecting rod; the ratchet teeth are fixed in the first connecting disc, the first connecting disc drives the ratchet teeth to move together, when the ratchet teeth are meshed with the gear, the ratchet teeth drive the gear to rotate, and the ratchet teeth are provided with adjusting keys.

As a further development of the utility model, the screwdriver shank forms an obtuse angle with the screwdriver connection rod.

As a further improvement of the utility model, the outer surface of the screwdriver rod is provided with anti-skid textures.

As a further improvement of the utility model, the outer surface of the screwdriver rotating rod is provided with anti-skid textures.

As a further improvement of the utility model, one end of the universal joint of the screwdriver is provided with a first buckle, and the first buckle is used for fixing the connecting rod of the screwdriver.

As a further improvement of the utility model, the other end of the universal joint of the screwdriver is provided with a second buckle, and the second buckle is used for fixing the screwdriver bit.

As a further improvement of the utility model, the screwdriver rotating rod is connected with the second connecting disc through a bearing.

As a further improvement of the utility model, the screwdriver rotating rod is of a detachable structure.

As a further improvement of the utility model, the inside of the screwdriver rotating rod is of a hollow structure.

The beneficial effects of the utility model are as follows: the universal labor-saving screwdriver can realize multi-angle labor-saving screwing of screws, is suitable for operation in a narrow space, the screwdriver universal connector supports replacement of screwdriver heads with different specifications, and the inner part of the screwdriver universal connector is provided with the buckle, so that the screwdriver heads can be clamped to prevent falling. The screwdriver rod can also adjust the adjusting key of the connecting disc according to the working position of the working space, so that clockwise or anticlockwise bidirectional adjustment is realized, and the working efficiency is greatly improved.

Drawings

FIG. 1 is a schematic view of a universal labor-saving screwdriver of the present utility model;

FIG. 2 is a schematic view showing the internal structure of a first connecting disc according to the present utility model;

FIG. 3 is a top view of the universal labor-saving screwdriver with anti-slip texture of the present utility model;

FIG. 4 is a schematic view of a screwdriver turning bar with anti-slip texture in accordance with the present utility model;

FIG. 5 is a schematic view of a screwdriver gimbal according to the present utility model;

Fig. 6 is a schematic view of a universal joint for a screwdriver and a screwdriver bit according to the present utility model.

In the figure: 1. a first connection plate; 2. a second connection pad; 3. a screwdriver rod; 4. a screwdriver connecting rod; 5. universal joint of the screwdriver; 6. a screwdriver bit; 7. a screwdriver rotating rod; 8. a first adjustment key; 9. a gear; 10. ratchet teeth.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. 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 "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" 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," "connected," and "connected" are to be construed broadly, and may be either 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. In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

According to the fig. 1 to 6, a universal labor-saving screwdriver comprises: the screw driver comprises a first connecting disc 1, a second connecting disc 2, a screw driver rod 3, a screw driver rotating rod 7, a screw driver connecting rod 4, a screw driver universal joint 5 and a screw driver bit 6. The first connecting disc 1 is connected to one end of a screwdriver rod 3, the second connecting disc 2 is connected to the other end of the screwdriver rod 3, the screwdriver rotating rod 7 is connected to one disc surface of the second connecting disc 2, and the screwdriver connecting rod 4 is connected to one disc surface of the first connecting disc 1; the positions of the screwdriver connecting rod 4 and the screwdriver rotating rod 7 can be the same side or opposite, a user can adjust and set the screwdriver connecting rod according to the operation space pattern, and when the upper space structure is provided with a blocking object, the user can connect the screwdriver rotating rod 7 with the lower disc surface of the second connecting disc, and then holds the lower screwdriver rotating rod 7 with hands to turn the screw. One end of the screw driver universal joint 5 is connected with the screw driver connecting rod 4, the other end of the screw driver universal joint 5 is connected with the screw driver tool bit 6, and the screw driver universal joint 5 with different sizes and specifications can be replaced to be used for connecting the screw driver tool bit 6 with different sizes and specifications.

The operator can hold the screwdriver rod 3 also can hold the screwdriver dwang 7 when the operation, for under the special narrow and small space or when operator's palm is great, hold the screwdriver rod 3 perhaps inconvenient, the screwdriver dwang 7 can provide more grip positions for the operator to the screwdriver dwang 7 is in the very end of screwdriver rod 3, for the less or less operator of strength, when the operation space allows, hold the screwdriver dwang 7 and screw the screw is most laborsaving.

As an embodiment of the present utility model, as shown in fig. 2, a ratchet structure is provided inside the first connection disc 1, the ratchet structure includes a gear 9 and ratchet teeth 10, the gear 9 is connected with the screw driver connection rod 4, and the gear 9 rotates together with the screw driver connection rod 4; the ratchet teeth 10 are fixed in the first connecting disc 1, the first connecting disc 1 drives the ratchet teeth 10 to move together, when the ratchet teeth 10 are meshed with the gear 9, the ratchet teeth 10 drive the gear 9 to rotate, and the ratchet teeth 10 are provided with the adjusting key 8. The user moves the position of ratchet teeth 10 through adjusting key 8, and ratchet teeth 10 has four ratchets, and four ratchets are divided into upper portion ratchet and lower part ratchet two sets according to upper and lower positional relationship according to the fig. 2, and the adjustment key 8 of adjustment makes one of them set of ratchet meshing on the ratchet teeth 10 between the tooth of gear 9, and then realizes just can driving the rotation of screwdriver connecting rod 4 when the effort direction of first connection dish 1 is clockwise or anticlockwise, can satisfy the condition that reciprocating motion just can screw in the narrow and small space.

As an embodiment of the present utility model, the ratchet teeth 10 and the adjusting key 8 are provided at the junction of the first coupling disk 1 and the screwdriver rod 3, making full use of the space of the screwdriver rod 3 shaft, without providing a protruding structure on the outside of the first coupling disk 1.

As an embodiment of the utility model, the screwdriver stem 3 forms an obtuse angle with the screwdriver connection stem 4. Under narrow and small special operation environment, the peripheral part can be contradicted easily when screw cutter arbor 3 rotates, and the obtuse angle can avoid screw cutter arbor 3 to receive peripheral part's influence when rotating, and the outside angle of obtuse angle also can prevent that the visual angle from being sheltered from by oneself's arm when the operator operates.

As an embodiment of the utility model, the outer surface of the screwdriver rod 3 is provided with anti-slip textures. As shown in fig. 3, the screw driver rod 3 has anti-slip textures, which can increase friction between the palm and the screw driver rod 3, and can avoid the situation that the hand is not tight and is difficult to apply force in oily environment.

As an embodiment of the present utility model, the outer surface of the screw driver turning rod 7 is provided with an anti-slip texture. As shown in fig. 4, the anti-slip texture of the screw driver rotating rod 7 can increase the friction between the palm and the screw driver rotating rod 7, and can avoid the situation that the hand is not tight and the force is difficult to apply in an oily environment.

As an embodiment of the present utility model, one end of the universal joint 5 for the screwdriver is provided with a first buckle, and the first buckle is used for fixing the connecting rod 4 for the screwdriver. The first buckle can guarantee that the universal joint 5 of screwdriver has firm relation of connection between the connecting rod 4 of screwdriver, prevents to screw the condition emergence that the screw driver joint 5 accidentally dropped at the screw in-process.

As an embodiment of the present utility model, the other end of the universal joint 5 for the screwdriver is provided with a second fastener, and the second fastener is used for fixing the screwdriver bit 6. The second buckle can guarantee that the screwdriver bit 6 and the screwdriver universal connector 5 have firm connection relation, prevents to screw the condition emergence that the screwdriver bit 6 accidentally drops in the screw process. Wherein the first buckle and the second buckle can be spring ball type buckle or magnetic attraction type buckle.

As an embodiment of the utility model, the screw driver rotating rod 7 is connected with the second connecting disc 2 through a bearing, and the bearing can enable the screw driver rotating rod 7 to rotate randomly relative to the second connecting disc 2, so that an operator can conveniently adjust the force application angle. The screw driver rotating rod 7 is detachable, so that the screw driver rotating rod 7 can be conveniently stored when not in use, and under special space conditions, the screw driver rotating rod 7 can be selectively detached when the space is not allowed to be inserted. The inside of the screw driver rotating rod 7 is of a hollow structure, so that the whole quality and the manufacturing cost can be reduced.

The application method of the utility model comprises the following steps:

The operator firstly observes the specification of the screw, selects the screwdriver bit 6 with proper specification and the screwdriver universal joint 5 with proper specification, connects the screwdriver bit 6 at one end of the screwdriver universal joint 5, and then connects the other end of the screwdriver universal joint 5 on the screwdriver connecting rod 4. And judging the surrounding environment, selecting whether to install the screw driver rotating rod 7, and determining whether the screw driver rotating rod 7 is installed on the surface of the upper disc or the surface of the lower disc of the second disc. After the universal labor-saving screwdriver is assembled, the screwdriver bit 6 is aligned with the screw, the acting force direction of the rotating screw is judged to be clockwise or anticlockwise according to the requirement, and the adjusting key 8 is adjusted according to the requirement, so that the upper ratchet teeth or the lower ratchet teeth of the ratchet teeth 10 are meshed on the gear 9. The screw driver rotating rod 7 is held or the screw driver rod 3 is held for rotation, so that the screw is loosened or tightened.

The embodiments of the present utility model have been described in detail above, but the present utility model is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the utility model, and yet fall within the scope of the utility model.

Claims

1. A universal labor-saving screwdriver, comprising:

a screwdriver rod (3) as a main body;

A first connecting disc (1), wherein the first connecting disc (1) is connected to one end of the screwdriver rod (3);

A second connecting disc (2), wherein the second connecting disc (2) is connected to the other end of the screwdriver rod (3);

A screwdriver rotating rod (7), wherein the screwdriver rotating rod (7) is connected to one disc surface of the second connecting disc (2);

The screwdriver connecting rod (4), the said screwdriver connecting rod (4) connects to a disc surface of the said first connection disc (1);

The screwdriver universal joint (5), one end of the screwdriver universal joint (5) is connected with the screwdriver connecting rod (4);

the screwdriver bit (6), the screwdriver bit (6) is connected with the other end of the screwdriver universal joint (5).

2. The universal labor-saving screwdriver according to claim 1, characterized in that a ratchet structure is arranged inside the first connecting disc (1), the ratchet structure comprises a gear (9) and ratchet teeth (10), the gear (9) is connected with the screwdriver connecting rod (4), and the gear (9) rotates together with the screwdriver connecting rod (4); the ratchet teeth (10) are fixed in the first connecting disc (1), the first connecting disc (1) drives the ratchet teeth (10) to move together, when the ratchet teeth (10) are meshed with the gear (9), the ratchet teeth (10) drive the gear (9) to rotate, and the ratchet teeth (10) are provided with the adjusting key (8).

3. Universal labor-saving screwdriver according to claim 1, characterized in that the screwdriver shank (3) forms an obtuse angle with the screwdriver connection rod (4).

4. The universal labor-saving screwdriver according to claim 1, wherein the outer surface of the screwdriver rod (3) is provided with anti-slip textures.

5. The universal labor-saving screwdriver according to claim 1, wherein the outer surface of the screwdriver rotating rod (7) is provided with anti-slip textures.

6. The universal labor-saving screwdriver according to claim 1, wherein one end of the screwdriver universal joint (5) is provided with a first buckle for fixing the screwdriver connecting rod (4).

7. The universal labor-saving screwdriver according to claim 1, characterized in that the other end of the screwdriver universal joint (5) is provided with a second buckle for fixing the screwdriver bit (6).

8. The universal labor-saving screwdriver according to claim 1, wherein the screwdriver rotating rod (7) is connected with the second connecting disc (2) through a bearing.

9. Universal labor-saving screwdriver according to claim 1, characterized in that the screwdriver turning lever (7) is of detachable construction.

10. The universal labor-saving screwdriver according to claim 1, wherein the inside of the screwdriver rotating rod (7) is of a hollow structure.