CN215617724U - Screwdriver for internal profile screw - Google Patents

Abstract

The utility model discloses a screwdriver for internal profile screws, which comprises a handheld part, wherein the bottom end of the handheld part is fixedly connected with a connecting part, the bottom end of the connecting part is fixedly connected with a tool bit for butting with a screw, the handheld part comprises a base connected with the connecting part, the top end of the base is fixedly connected with a fixed seat, the inner wall of the fixed seat is provided with a rotating groove, a rotating shaft is rotatably connected in the rotating groove, a handle is fixedly connected on the rotating shaft, the screwdriver for internal profile screws is rotationally connected with the handle and the fixed seat through arrangement, consequently when meetting the condition that can't twist the operation in vertical direction, make activity post and base break away from through the pulling piece in the pulling unblock subassembly, through rotating the handle this moment to with connecting portion vertically position, twist the screw through rotating rotatory handle this moment, and then solved traditional bottle opener and can't twist the problem of moving the screw when vertical direction distance is not enough.

Description

Screwdriver for internal profile screw

Technical Field

The utility model relates to the technical field of screwdrivers, in particular to a screwdriver for an internal profile screw.

Background

Screwdrivers, also known as screwdrivers, which are common tools used to turn screws to position them, typically have a thin wedge-shaped head that fits into a slot or recess in the head of the screw, and screwdrivers do not have a round head because there is no torque at all on the round head. The straight line is to ensure torque, and the cross shape can make the force distribution more uniform. Manual screw drivers and electric screw drivers are classified according to power sources.

At present, the handle and the tool bit of the existing screwdriver are vertically concentric, so that in the using process, the handle and the screw need to be kept at a certain vertical degree and need to be held, but in the actual using process, when an operable space is not available in the vertical direction or the hand cannot hold the handle in the vertical direction, the existing screwdriver cannot operate the screw, and therefore the screwdriver for the internal profile screw is provided.

SUMMERY OF THE UTILITY MODEL

The object of the present invention is to provide a screwdriver for internal profile screws that can turn the handle and thus can no longer operate in the vertical direction, in order to solve the problems mentioned in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the screwdriver for the internal profile screw comprises a handheld part, wherein the bottom end of the handheld part is fixedly connected with a connecting part, and the bottom end of the connecting part is fixedly connected with a butt joint for butt joint with the screw;

the handheld part comprises a base connected with the connecting part, the top end of the base is fixedly connected with a fixed seat, the inner wall of the fixed seat is provided with a rotating groove, a rotating shaft is rotatably connected in the rotating groove, and a handle is fixedly connected to the rotating shaft and is used for removing an unlocking assembly for limiting the position between the handle and the fixed seat and is arranged in the handle; the coupling assembling for connecting portion with the base coupling assembling install the base with between the connecting rod, be favorable to rotating the handle to perpendicular with connecting portion, consequently be favorable to solving the problem that vertical direction is difficult to operate.

Preferably, the unlocking assembly comprises a movable column arranged in the handle, the movable column is rotatably connected with the handle, the bottom end of the movable column is inserted in the base, the top end of the movable column is fixedly connected with a pulling block, a cavity is formed in the handle, a first spring outside the movable column is sleeved with a fixedly connected with sleeve in the cavity, and the top end of the first spring is fixedly connected with a fixed sheet fixedly connected with the movable column, so that the handle can be rotated.

Preferably, coupling assembling is including fixing the inserted block on connecting portion top, the bottom of base seted up with the slot of inserted block looks adaptation, swing joint has the spliced pole on the inserted block, the second spring in the inserted block is fixed to the one end fixedly connected with of spliced pole, and the other end rotates and is connected with the ball, seted up on the inner wall of slot with the ball groove of ball looks adaptation is favorable to dismantling connecting portion and tool bit.

Preferably, the outer side of the handle is provided with anti-slip lines which are arranged circumferentially, so that the operation is facilitated.

Preferably, the distance from the top end of the movable sheet to the top end of the cavity is greater than the depth of the movable column inserted into the base, so that the movable column can be pulled out of the base.

Preferably, the spliced pole is provided with two sets ofly, and is located the both sides of inserted block respectively, is favorable to improving the stability of being connected between connecting portion and the base.

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

the handle and the fixed seat are rotatably connected, so that when the screwing operation cannot be performed in the vertical direction, the movable column is separated from the base by pulling the pulling block in the unlocking assembly, the handle is rotated to the position perpendicular to the connecting part, and the screw is screwed by rotating the rotating handle, so that the problem that the screw cannot be screwed when the distance in the vertical direction of the traditional screwdriver is insufficient is solved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a schematic view of a hand-held portion according to the present invention;

FIG. 4 is a schematic view of the structure of the area A in FIG. 2 according to the present invention.

In the figure: 1-a hand-held part; 2-a connecting part; 3, a cutter head; 4-a base; 5-fixing the base; 6-a handle; 7-an unlocking assembly; 8-a connecting assembly; 9-a rotating shaft; 10-a rotating groove; 11-a cavity; 12-a movable column; 13-a first spring; 14-a fixing sheet; 15-pulling the block; 16-an insert block; 17-a slot; 18-connecting column; 19-a second spring; 20-a ball bearing; 21-ball groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1 and 2 for describing an embodiment 1, a screwdriver for an internal profile screw in the drawing comprises a handheld portion 1, a connecting portion 2 fixedly connected to the bottom end of the handheld portion 1, and a butt joint fixedly connected to the bottom end of the connecting portion 2 and used for butt joint with a screw;

the handheld part 1 comprises a base 4 connected with the connecting part 2, an unlocking component 7 and a connecting component 8, the top end of the base 4 is fixedly connected with a fixed seat 5, the inner wall of the fixed seat 5 is provided with a rotating groove 10, the rotating groove 10 is rotatably connected with a rotating shaft 9, the rotating shaft 9 is fixedly connected with a handle 6, the unlocking component 7 used for releasing the limit between the handle 6 and the fixed seat 5 is arranged in the handle 6, and the connecting component 8 used for connecting the connecting part 2 and the base 4 is arranged between the base 4 and the connecting rod;

referring to fig. 2 and 3, the unlocking assembly 7 shown in the figure includes a movable post 12 disposed in the handle 6, the movable post 12 is rotatably connected with the handle 6, the bottom end of the movable post is inserted into the base 4, the top end of the movable post is fixedly connected with a pulling block 15, a cavity 11 is disposed in the handle 6, a first spring 13 sleeved outside the movable post 12 is fixedly connected in the cavity 11, and the top end of the first spring 13 is fixedly connected with a fixing plate 14 fixedly connected with the movable post 12;

in the embodiment, when the operation is difficult to be performed in the vertical direction, the pulling block 15 is pulled, and then the movable column 12 is pulled to move upwards, so that the movable column 12 is separated from the base 4, at the moment, the handle 6 loses the support between the movable column 12 and the base 4, and further the handle 6 can horizontally rotate, when the handle 6 rotates, the handle stops when being perpendicular to the connecting part 2, at the moment, the height of the handle 6 is reduced, and the connecting part 2 is driven to rotate by rotating the handle 6, so that the screw which is difficult to be operated in the vertical direction can be screwed;

in the present embodiment, during normal use, the movable post 12 is stably inserted into the base 4 by the elastic force of the first spring 13, which is beneficial to limit the position of the handle 6, so that the handle 6 is opposite to the axis of the connecting post 18.

Example 2

Referring to fig. 2 and fig. 4 to describe example 2, in this embodiment, the example 1 is further described, in the figure, the connecting assembly 8 includes an insert block 16 fixed at the top end of the connecting portion 2, a slot 17 matched with the insert block 16 is formed at the bottom end of the base 4, a connecting column 18 is movably connected to the insert block 16, one end of the connecting column 18 is fixedly connected with a second spring 19 fixed in the insert block 16, the other end of the connecting column is rotatably connected with a ball 20, and a ball groove 21 matched with the ball 20 is formed on the inner wall of the slot 17;

in the embodiment, the insertion relationship between the insertion block 16 and the insertion slot 17 is further beneficial to replacing the connecting part 2 and the butt joint, so that different screws can be screwed, and the handle 6 can be reused after the butt joint has a phenomenon of thread slipping, thereby reducing waste;

in the present embodiment, when the connection part 2 is inserted or removed, the balls 20 compress the second spring 19, and thus the insertion or removal of the insertion block 16 is not affected, and when the insertion is stopped, the balls 20 are pushed into the ball grooves 21 by the elastic force of the second spring 19, and at this time, the connection part 2 and the base 4 are connected by the relationship between the balls 20 and the ball grooves 21.

Example 3

Referring to fig. 1 and 4 to illustrate example 3, the embodiment further illustrates examples 1 and 2, in which the outer side of the handle 6 is provided with anti-slip patterns, the anti-slip patterns are arranged in a circle, the distance from the top end of the movable piece to the top end of the cavity 11 is greater than the depth of the movable column 12 inserted into the base 4, and two groups of connecting columns 18 are arranged and located at two sides of the inserting block 16 respectively;

in this embodiment, because the anti-skidding line has been seted up in the outside of handle 6, and the anti-skidding line is the circumference and arranges, and then increase the frictional force between hand and the handle 6, consequently, it takes place to reduce the condition that takes place relative slip between hand and the handle 6 when rotating handle 6, and because the distance from movable piece top to cavity 11 top is greater than the degree of depth that movable post 12 pegged graft in base 4, consequently, be favorable to extracting base 4 with movable post 12, simultaneously owing to be provided with spliced pole 18 two sets ofly, and be located the both sides of inserted block 16 respectively, consequently, be favorable to improving the connection stability between connecting portion 2 and the base 4.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A screwdriver for an internal profile screw, comprising:

the screw driver comprises a handheld part (1), wherein the bottom end of the handheld part (1) is fixedly connected with a connecting part (2), and the bottom end of the connecting part (2) is fixedly connected with a butt joint used for being in butt joint with a screw;

the handheld part (1) comprises a base (4) connected with the connecting part (2), the top end of the base (4) is fixedly connected with a fixed seat (5), the inner wall of the fixed seat (5) is provided with a rotating groove (10), the rotating groove (10) is rotatably connected with a rotating shaft (9), and the rotating shaft (9) is fixedly connected with a handle (6);

the unlocking assembly (7) is used for unlocking the unlocking assembly (7) for limiting the position between the grip (6) and the fixed seat (5) and is arranged in the grip (6);

a connection assembly (8) for connecting the connection portion (2) with the base (4) the connection assembly (8) is installed between the base (4) and the connection rod.

2. A screwdriver as defined in claim 1, wherein: the unlocking assembly (7) comprises a movable column (12) arranged in the handle (6), the movable column (12) is rotatably connected with the handle (6), the bottom end of the movable column is inserted into the base (4), a pulling block (15) is fixedly connected to the top end of the movable column, a cavity (11) is formed in the handle (6), a first spring (13) arranged on the outer side of the movable column (12) is fixedly connected with the cavity (11), and a fixing piece (14) fixedly connected with the movable column (12) is fixedly connected to the top end of the first spring (13).

3. A screwdriver as defined in claim 1, wherein: coupling assembling (8) are including fixing inserted block (16) on connecting portion (2) top, the bottom of base (4) seted up with slot (17) of inserted block (16) looks adaptation, swing joint has spliced pole (18) on inserted block (16), the one end fixedly connected with of spliced pole (18) is fixed second spring (19) in inserted block (16), and the other end rotates and is connected with ball (20), seted up on the inner wall of slot (17) with ball groove (21) of ball (20) looks adaptation.

4. A screwdriver as defined in claim 1, wherein: the outer side of the handle (6) is provided with anti-skid grains which are arranged in a circumferential manner.

5. A screwdriver as defined in claim 2, wherein: the distance from the top end of the movable sheet to the top end of the cavity (11) is greater than the depth of the movable column (12) inserted in the base (4).

6. A screwdriver as defined in claim 3, wherein: the connecting columns (18) are arranged in two groups and are respectively positioned on two sides of the inserting block (16).

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