CN220863858U

CN220863858U - Bendable screwdriver tool

Info

Publication number: CN220863858U
Application number: CN202322423462.1U
Authority: CN
Inventors: 刘汉荣; 周腾飞; 曹学俊
Original assignee: Zhongyitong Technology Shenzhen Co ltd
Current assignee: Zhongyitong Technology Shenzhen Co ltd
Priority date: 2023-09-07
Filing date: 2023-09-07
Publication date: 2024-04-30
Anticipated expiration: 2033-09-07

Abstract

The utility model belongs to the technical field of screwdrivers, in particular to a bendable screwdriver tool which comprises a grab handle; a first cutter bar is fixedly connected below the grab handle; the lower end of the first cutter bar is fixedly connected with a hinging block; the lower end of the first cutter bar is provided with a second cutter bar; the lower end of the second cutter bar is fixedly connected with a cutter head; the upper end of the second cutter bar is provided with a hinge groove, and the first cutter bar and the second cutter bar are matched with the hinge block through the hinge groove, so that the aim of rotary connection is fulfilled; therefore, when the situations that torque is required to be increased or the space is narrow and the like are met, the second cutter bar is applied with acting force, the second cutter bar is rotated forwards or reversely by 90 degrees, then the cross jack is plugged through the plug core, the torque of the cutter bar can be increased after the cutter bar is fixed, the length of the cutter bar is reduced, and the screw in the narrow space or the screw which is fixed tightly can be rotated conveniently.

Description

Bendable screwdriver tool

Technical Field

The utility model belongs to the technical field of screwdrivers, and particularly relates to a bendable screwdriver tool.

Background

Screwdrivers are very common tools, and are of a large variety and are suitable for a large number of scenes. Sometimes, when some screws are screwed tightly, the screw driver cannot be screwed down under the condition of insufficient torque, or only one transverse bar can be added to pass through the handle of the screw driver, so that the torque is not increased, but the handle is easy to break. Reducing the service life of the screwdriver

The screwdriver is a device for loosening and tightening screws, is commonly used in the fields of mechanical manufacture, mechanical maintenance and the like, and is an important auxiliary tool.

The traditional screwdriver comprises a grab handle, a cutter bar and a cutter head, wherein the cutter bar is a straight rigid metal body, the grab handle and the cutter head are respectively connected to two end parts, when the screwdriver is specifically used, the cutter head is directly aligned to a notch of a screw, and then the aim of loosening and tightening the screw can be achieved by holding the grab handle to start rotating.

In the prior art, in daily use, the condition that the screw is fixed comparatively tightly can often be met, the moment of torsion of screw is less, and then leads to the torsion of appling to be difficult to loosen the screw, or the space of screw top is narrow and small, and long and narrow cutter arbor can not put and operate in the screw top, has reduced the applicable scene of screwdriver from this.

Therefore, a bendable screwdriver tool is provided for solving the problems.

Disclosure of utility model

In order to overcome the defects in the prior art and solve the problems, the bendable screwdriver tool is provided.

The technical scheme adopted for solving the technical problems is as follows: the utility model relates to a bendable screwdriver tool, which comprises a grab handle; a first cutter bar is fixedly connected below the grab handle; the lower end of the first cutter bar is fixedly connected with a hinging block; the lower end of the first cutter bar is provided with a second cutter bar; the lower end of the second cutter bar is fixedly connected with a cutter head; the upper end of the second cutter bar is provided with a hinge groove, and the first cutter bar is rotationally connected with the second cutter bar under the cooperation of the hinge block and the hinge groove; the upper end of the second cutter bar is provided with a cross jack; the first cutter bar is internally connected with an inserting core in a sliding manner at a position corresponding to the cross jack, and the diameter of the inserting core is consistent with the caliber of the cross jack; the fixing component is arranged at the position, corresponding to the upper part of the lock pin, inside the grab handle and used for fixing the angle of the second cutter bar.

Preferably, the fixing assembly comprises a chute; a reset spring is arranged at the bottom of the chute; a sliding tube is arranged in the sliding groove corresponding to the upper end of the reset spring, and the lower end surface of the sliding tube is fixedly connected with the lock pin; the upper end of the slide tube is provided with a first V-shaped notch and a second V-shaped notch which are symmetrically arranged, the first V-shaped notch and the second V-shaped notch are arranged in a staggered mode, and the size of the first V-shaped notch is larger than that of the second V-shaped notch; a top block is rotatably connected to the position, corresponding to the upper part of the slide tube, in the slide groove; and the lower end of the top block is fixedly connected with a limit rod which is symmetrically arranged at the position corresponding to the second V-shaped notch.

Preferably, the knob is arranged at the upper end of the grab handle and fixedly connected with the jacking block; anti-skid patterns are formed on the knob and the grab handle.

Preferably, the lower end of the knob is fixedly connected with a T-shaped ring block; the upper end of the grab handle is provided with a T-shaped ring groove, and the knob is rotationally connected with the grab handle under the cooperation of the T-shaped sliding block and the T-shaped ring groove.

Preferably, the corners of the first V-shaped notch and the second V-shaped notch are smooth cambered surfaces; the size of the second V-shaped notch is consistent with the diameter of the limiting rod.

Preferably, the surfaces of the grab handle and the knob are made of TPE materials.

The utility model has the beneficial effects that:

The utility model provides a bendable screwdriver tool, which is particularly used for realizing the purpose of rotary connection as a first cutter bar and a second cutter bar are matched with a hinge block through a hinge groove; therefore, when the situations that torque is required to be increased or the space is narrow and the like are met, the second cutter bar is applied with acting force, the second cutter bar is rotated forwards or reversely by 90 degrees, then the cross jack is plugged through the plug core, the torque of the cutter bar can be increased after the cutter bar is fixed, the length of the cutter bar is reduced, and the screw in the narrow space or the screw which is fixed tightly can be rotated conveniently.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a cross-sectional view of the present utility model;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is a partial enlarged view at B in FIG. 2;

FIG. 5 is an exploded view of the present utility model;

FIG. 6 is a perspective view of a second tool bar of the present utility model;

Legend description:

1. a grab handle; 2. a first cutter bar; 3. a second cutter bar; 4. a cross jack; 5. a hinge groove; 6. a hinge block; 7. a core insert; 8. a chute; 81. a return spring; 82. a slide tube; 83. a first V-shaped notch; 84. a second V-shaped notch; 85. a top block; 86. a limit rod; 87. a knob; 871. t-shaped ring blocks; 872. t-shaped ring grooves; 9. anti-skid lines; 10. a cutter head.

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.

Specific examples are given below.

Referring to fig. 1-6, the present utility model provides a bendable screwdriver tool, comprising a handle 1; a first cutter bar 2 is fixedly connected below the grab handle 1; the lower end of the first cutter bar 2 is fixedly connected with a hinge block 6; the lower end of the first cutter bar 2 is provided with a second cutter bar 3; the lower end of the second cutter bar 3 is fixedly connected with a cutter head 10; the upper end of the second cutter bar 3 is provided with a hinge groove 5, and the first cutter bar 2 is rotationally connected with the second cutter bar 3 under the cooperation of the hinge block 6 and the hinge groove 5; the upper end of the second cutter bar 3 is provided with a cross jack 4; the position, corresponding to the cross jack 4, inside the first cutter bar 2 is connected with an inserting core 7 in a sliding manner, and the diameter of the inserting core 7 is consistent with the caliber of the cross jack 4; the fixing component is arranged at a position inside the grab handle 1 corresponding to the upper part of the lock pin 7, and is used for fixing the angle of the second cutter bar 3.

During working, in the prior art, the condition that the screw is fixed and fastened is frequently met, the torque of the screw is small, the applied torque is difficult to loosen the screw, or the space above the screw is small, and the long and narrow cutter bar cannot be placed above the screw for operation, so that the applicable scene of the screwdriver is reduced, and in order to solve the problems, the utility model designs the grab handle 1, and in specific use, the purpose of rotary connection is realized because the first cutter bar 2 and the second cutter bar 3 are matched with the hinge block 6 through the hinge groove 5; therefore, when the situations that torque is required to be increased or the space is narrow and the like are met, the second cutter bar 3 is rotated by 90 degrees in the forward direction or the reverse direction by applying acting force to the second cutter bar, then the cross jack 4 is plugged through the plug core 7, the torque of the cutter bar can be increased after the cutter bar is fixed, the length of the cutter bar is reduced, and the screw in the narrow space or the screw which is fixed tightly can be rotated conveniently.

Further, as shown in fig. 2, 3 and 5, the fixing assembly includes a chute 8; a return spring 81 is arranged at the bottom of the chute 8; a sliding tube 82 is arranged in the sliding groove 8 corresponding to the upper end of the return spring 81, and the lower end surface of the sliding tube 82 is fixedly connected with the lock pin 7; the upper end of the sliding tube 82 is provided with a first V-shaped notch 83 and a second V-shaped notch 84 which are symmetrically arranged, the first V-shaped notch 83 and the second V-shaped notch 84 are arranged in a staggered manner, and the size of the first V-shaped notch 83 is larger than that of the second V-shaped notch 84; a top block 85 is rotatably connected to the position, corresponding to the upper part of the slide tube 82, in the slide groove 8; and a limit rod 86 which is symmetrically arranged is fixedly connected at the lower end of the top block 85 corresponding to the position of the second V-shaped notch 84.

During operation, in order to facilitate fixing the first cutter bar 2 and the second cutter bar 3 after rotating, during specific operation, the ejector block 85 is rotated to drive the limiting rod 86 to rotate in the first V-shaped notch 83 until the limiting rod 86 slides into the second V-shaped notch 84, or the ejector block 85 is rotated to drive the limiting rod 86 to rotate in the second V-shaped notch 84 until the limiting rod 86 slides into the first V-shaped notch 83, during this process, since the height of the limiting rod 86 is unchanged and the reset spring 81 is arranged at the bottom of the sliding tube 82, the height of the sliding tube 82 can relatively rotate along with the limiting rod 86 and the first V-shaped notch 83 and the second V-shaped notch 84, and then reciprocating lifting movement is further performed, and since the sliding tube 82 is fixedly connected with the insert 7, only the ejector block 85 is required to rotate, the insert 7 can be prolonged or shortened, and when the second cutter bar 3 rotates 90 ° or the second cutter bar 3 can be fixed or loosened through the insert 7 by rotating the ejector block 85.

Further, as shown in fig. 1, a knob 87 is disposed at the upper end of the handle 1, and the knob 87 is fixedly connected with the top block 85; the knob 87 and the grab handle 1 are provided with anti-skid patterns 9.

In operation, for convenience of use, the knob 87 is provided on the grip 1, and the knob 87 is rotated by one hand to rotate the top block 85.

Further, as shown in fig. 2 and 5, a T-shaped ring block 871 is fixedly connected to the lower end of the knob 87; the upper end of the grab handle 1 is provided with a T-shaped annular groove 872, and the knob 87 is rotationally connected with the grab handle 1 under the cooperation of the T-shaped sliding block and the T-shaped annular groove 872.

In operation, in order to connect and fix the knob 87 to the grip 1, the knob 87 is mounted on the grip 1 by the engagement between the T-shaped slider and the T-shaped groove 872, and the height of the stopper 86 is fixed by the top block 85.

Further, as shown in fig. 5, the corners of the first V-shaped notch 83 and the second V-shaped notch 84 are smooth cambered surfaces; the second V-shaped notch 84 is sized to correspond to the diameter of the stop bar 86.

During operation, by providing a smooth curved surface, the knob 87 is more silky when rotated, friction damage is reduced, and service life is prolonged.

Further, as shown in fig. 1, the surfaces of the grab handle 1 and the knob 87 are made of TPE.

During operation, TPE is a thermoplastic elastomer with the characteristics of existing plastics and rubber, is environment-friendly and nontoxic, can be recycled, and can reduce environmental pollution, protect hands and increase friction force for convenient use by setting the surfaces of the grab handle 1 and the knob 87 to be TPE materials.

Working principle:

when the cutter is particularly used, the first cutter bar 2 and the second cutter bar 3 are matched with the hinge block 6 through the hinge groove 5, so that the purpose of rotary connection is realized; therefore, when the situations that torque is required to be increased or the space is narrow and the like are met, the second cutter bar 3 is rotated by 90 degrees in the forward direction or the reverse direction by applying acting force to the second cutter bar, then the cross jack 4 is plugged through the plug core 7, the torque of the cutter bar can be increased after the cutter bar is fixed, the length of the cutter bar is reduced, and the screw in the narrow space or the screw which is fixed tightly can be rotated conveniently.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. A bendable screwdriver tool, characterized in that: comprises a grab handle (1); a first cutter bar (2) is fixedly connected below the grab handle (1); the lower end of the first cutter bar (2) is fixedly connected with a hinge block (6); the lower end of the first cutter bar (2) is provided with a second cutter bar (3); the lower end of the second cutter bar (3) is fixedly connected with a cutter head (10); the upper end of the second cutter bar (3) is provided with a hinge groove (5), and the first cutter bar (2) is rotationally connected with the second cutter bar (3) under the cooperation of the hinge block (6) and the hinge groove (5); the upper end of the second cutter bar (3) is provided with a cross jack (4); the position inside the first cutter bar (2) corresponding to the cross jack (4) is connected with an inserting core (7) in a sliding way, and the diameter of the inserting core (7) is consistent with the caliber of the cross jack (4); the fixing component is arranged at the position, corresponding to the upper part of the lock pin (7), inside the grab handle (1) and is used for fixing the angle of the second cutter bar (3).

2. A bendable screwdriver tool according to claim 1, wherein: the fixed assembly comprises a chute (8); a reset spring (81) is arranged at the bottom of the sliding groove (8); a sliding tube (82) is arranged in the sliding groove (8) corresponding to the upper end of the return spring (81), and the lower end surface of the sliding tube (82) is fixedly connected with the insert core (7); the upper end of the slide tube (82) is provided with a first V-shaped notch (83) and a second V-shaped notch (84) which are symmetrically arranged, the first V-shaped notch (83) and the second V-shaped notch (84) are arranged in a staggered manner, and the size of the first V-shaped notch (83) is larger than that of the second V-shaped notch (84); a top block (85) is rotatably connected to the position, corresponding to the upper part of the slide tube (82), in the slide groove (8); and the lower end of the top block (85) is fixedly connected with a limit rod (86) which is symmetrically arranged at a position corresponding to the second V-shaped notch (84).

3. A bendable screwdriver tool according to claim 2, wherein: the upper end of the grab handle (1) is provided with a knob (87), and the knob (87) is fixedly connected with the top block (85); anti-skid patterns (9) are formed on the knob (87) and the grab handle (1).

4. A bendable screwdriver tool according to claim 3, wherein: the lower end of the knob (87) is fixedly connected with a T-shaped ring block (871); the upper end of the grab handle (1) is provided with a T-shaped ring groove (872), and the knob (87) is rotationally connected with the grab handle (1) under the cooperation of the T-shaped sliding block and the T-shaped ring groove (872).

5. A bendable screwdriver tool according to claim 4, wherein: the corners of the first V-shaped notch (83) and the second V-shaped notch (84) are smooth cambered surfaces; the second V-shaped notch (84) is sized to correspond to the diameter of the stop bar (86).

6. A bendable screwdriver tool according to claim 5, wherein: the surfaces of the grab handle (1) and the knob (87) are made of TPE materials.