CN113752206B

CN113752206B - Screw fixing clamp screwdriver

Info

Publication number: CN113752206B
Application number: CN202111053981.2A
Authority: CN
Inventors: 张亚当; 金基伟; 邓德茂; 陈鑫; 沈光剑; 樊一鸣; 甘益存; 李龙训; 王培及
Original assignee: Guizhou Power Grid Co Ltd
Current assignee: Guizhou Power Grid Co Ltd
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2023-03-28
Anticipated expiration: 2041-09-09
Also published as: CN113752206A

Abstract

The invention discloses a screwdriver with a screw fixing clamp, which comprises a screwdriver body, a screwdriver head and a screwdriver head, wherein the screwdriver body comprises a first screwdriver handle, a second screwdriver handle and a screwdriver head; the fixing assembly comprises a fixing clamp and a limiting bolt, the limiting bolt is connected with the fixing clamp, the limiting bolt is rotatably arranged at the position of the thread, and the fixing assembly is connected with the first cutter handle through a connecting rod. According to the invention, through the matching of the screwdriver body and the fixing component, the pre-fixing of the screw to be screwed, the screwing of the screw and the loosening operation of the fixing screw in the screwing process are realized, and the situation that the screw falls off due to improper operation when the screw is initially screwed is effectively prevented.

Description

Screw fixing clamp screwdriver

Technical Field

The invention relates to the technical field of screwdrivers, in particular to a screwdriver with a screw fixing clamp.

Background

At present, in the wiring work of accessing a small bus on the top of a screen of a protection screen cabinet or accessing a power supply of equipment and the like, because a screw contact part is often electrified or is not supported in the process of taking down and loading screws, a worker can only use sharp-nose pliers or a common screwdriver to clamp and fix the position of the screws in work, the problems of screw falling, inaccurate screw holes and the like can occur in the process, and the risk of electric shock and secondary line short circuit of the worker is increased.

Disclosure of Invention

This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and title of the application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.

In order to solve the technical problems, the invention provides the following technical scheme: a screwdriver with a screw fixing clamp comprises a screwdriver body, wherein the screwdriver body comprises a first screwdriver handle, a second screwdriver handle and a screwdriver head, one end of the second screwdriver handle is rotatably connected to the first screwdriver handle, the other end of the second screwdriver handle is connected with the screwdriver head, a limiting piece is arranged between the first screwdriver handle and the second screwdriver handle, and the tail end of the screwdriver head is provided with a thread; the fixing assembly comprises a fixing clamp and a limiting nut, the limiting nut is connected with the fixing clamp, the limiting nut is rotatably arranged at the position of the thread, and the fixing assembly is connected with the first cutter handle through a connecting rod.

As a preferable aspect of the screw fixing clip screwdriver of the present invention, wherein: the fixing clamp comprises a hinge rod, a fixing rod and a fixing seat, wherein the two sides of the limiting nut are connected with the middle position of the fixing rod through the hinge rod, and the top end of the fixing rod is rotatably connected with the fixing seat.

As a preferable aspect of the screw fixing clip screwdriver of the present invention, wherein: the central position of the fixed seat is provided with a through hole, and the cutter head penetrates through the through hole.

As a preferable aspect of the screw fixing clip screwdriver of the present invention, wherein: the tool bit outside is provided with the fixed block, and the fixed block sets up in the screw thread top, the fixed block top with the fixing base butt.

As a preferable aspect of the screw fixing clip screwdriver of the present invention, wherein: the tool comprises a first tool handle and a second tool handle, and is characterized in that a first groove is formed in the bottom of the first tool handle, a second groove is formed in the top of the second tool handle, the first groove and the second groove are hollow hemispherical grooves with the same radius, and rotating balls are arranged in the first groove and the second groove.

As a preferable aspect of the screw fixing clip screwdriver of the present invention, wherein: the rotating ball is circumferentially provided with a rotating groove, a first rotating block is arranged at the position of the first groove opening, and a second rotating block is arranged at the position of the second groove opening.

As a preferable aspect of the screw fixing clip screwdriver of the present invention, wherein: the outer side of the bottom of the first cutter handle is provided with a first clamping groove, the outer side of the top of the second cutter handle is provided with a second clamping groove, the first clamping groove and the second clamping groove are the same in width, and a limiting part is arranged inside the first clamping groove and the second clamping groove in a sliding mode.

As a preferable aspect of the screw fixing clip screwdriver of the present invention, wherein: the side walls of the first clamping groove and the second clamping groove are provided with sliding grooves, the side wall of the limiting part is provided with a sliding block, the height of the first clamping groove is larger than that of the limiting part, and the height of the second clamping groove is smaller than that of the limiting part.

As a preferable aspect of the screw fixing clip screwdriver of the present invention, wherein: and a plurality of groups of second clamping grooves are formed in the second tool handle along the circumferential direction.

As a preferable aspect of the screw fixing clip screwdriver of the present invention, wherein: the bottom end of the fixed rod is provided with a magnetic clamping block, and the fixed seat is internally provided with an accommodating cavity.

The invention has the beneficial effects that: the screw driver comprises a screw driver body, a screw driving component, a screw clamping component and a fixing component, wherein the screw driving component is used for clamping a screw to be screwed, and the fixing component is used for clamping the screw; through the collocation of first handle of a knife and second handle of a knife, can easily realize the operation that fixed subassembly presss from both sides tight or loosen the screw.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:

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

Fig. 2 is an exploded view of the structure of the present invention.

Fig. 3 is a schematic view of the structure of the screwdriver body of the present invention.

FIG. 4 is a schematic view of a fixing assembly according to the present invention.

Fig. 5 is a schematic view of a first cutter handle structure of the invention.

FIG. 6 is a schematic view of a second tool shank of the present invention.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Example 1

Referring to fig. 1 and 2, for a first embodiment of the present invention, the embodiment provides a screwdriver with a screw fixing clip, including a screwdriver body 100 and a fixing assembly 200, where the screwdriver body 100 includes a first handle 101, a second handle 102 and a tool bit 103, one end of the second handle 102 is rotatably connected to the first handle 101, the other end of the second handle 102 is connected to the tool bit 103, a limiting member 104 is disposed between the first handle 101 and the second handle 102, the limiting member 104 is used to fix the first handle 101 and the second handle 102, so that the first handle 101 and the second handle 102 cannot rotate, and a thread 103a is disposed at the end of the tool bit 103; the fixing assembly 200 is positioned at the tail end of the tool bit 103 and used for clamping a screw to be screwed and preventing the screw from falling off during screwing, the fixing assembly 200 comprises a fixing clamp 201 and a limiting nut 202, the limiting nut 202 is connected with the fixing clamp 201, the limiting nut 202 is rotatably arranged at the position of the thread 103a, the limiting nut 202 can move up and down along the thread 103a, when the limiting nut 202 moves up along the thread 103a, the fixing clamp 201 is driven to move to clamp the screw to be screwed, when the limiting nut 202 moves down along the thread 103a, the fixing clamp 201 is driven to move to loosen the screw to be screwed, the fixing assembly 200 is connected with the first tool shank 101 through the connecting rod 101a, when the limiting piece 104 fixes the first tool shank 101 and the second tool shank 102, the fixing assembly 200 rotates along with the whole screwdriver body 100, when the limiting piece 104 cancels to fix the first tool shank 101 and the second tool shank 102, the first tool shank 101 is independently rotated to keep the second tool shank 102 still, and at the moment, the limiting nut 202 rotates up and moves up and down along the thread 103a, so that the fixing clamp 201 clamps or loosens the screw; or second tool shank 102 is rotated alone to keep first tool shank 101 still, tool bit 103 is rotated, and limiting nut 202 is displaced up and down along thread 103a, so that fixing clamp 201 clamps or loosens the screw.

When the screwdriver is used, firstly, a screw to be screwed is placed at the tail end of the tool bit 103, the limiting piece 104 is not used for fixing the first tool handle 101 and the second tool handle 102, the second tool handle 102 is rotated anticlockwise, the first tool handle 101 and the fixing component 200 connected with the first tool handle are kept still, the limiting nut 202 moves upwards along the thread 103a, the fixing clamp 201 tightens and clamps the screw to be screwed, and after the screw is completely clamped, the first tool handle 101 and the second tool handle 102 are fixed through the limiting piece 104; then, the first tool shank 101 is rotated clockwise, at the same time, the screwdriver body 100 and the fixing component 200 rotate clockwise, the screw is screwed into the screw hole, and when most of the screw enters the screw hole and the screw cannot fall off, the fixing of the limiting piece 104 on the first tool shank 101 and the second tool shank 102 is cancelled again; and finally, the second tool handle 102 is continuously rotated clockwise, the first tool handle 101 and the fixing assembly 200 connected with the first tool handle are kept still, the screw is continuously screwed into the screw hole under the action of the second tool handle 102, the limiting nut 202 moves downwards along the thread 103a, the fixing clamp 201 simultaneously stretches and loosens the screwed screw, when the screw completely enters the screw hole, the fixing clamp 201 cancels the clamping of the screw, the screwing operation is finished, and the screwdriver is restored.

The screw driver body 100 and the fixing component 200 are matched, so that pre-fixing of a screw to be screwed, screwing of the screw and loosening of the fixing screw in the screwing process are realized, the fixing component 200 is used for clamping the screw and fixing the position of the screw, the screw falling caused by improper operation during initial screwing of the screw is prevented, and the risks of electric shock and secondary wire short circuit of personnel can be reduced in a limited manner during live wiring operation; the operation of clamping or loosening screws by fixing assembly 200 can be inexpensively achieved by the cooperation of first tool shank 101 and second tool shank 102.

Example 2

Referring to fig. 1 to 4, a second embodiment of the present invention is different from the first embodiment in that: fixing clamp 201 includes articulated rod 201a, dead lever 201b and fixing base 201c, and stop nut 202 both sides are passed through articulated rod 201a and are connected with dead lever 201b middle part position, and dead lever 201b top is rotated with fixing base 201c and is connected. The fixing seat 201c is provided with a through hole 201d at the center, and the tool bit 103 passes through the through hole 201d. The outside of tool bit 103 is provided with fixed block 103b, and fixed block 103b sets up in screw thread 103a top, and fixed block 103b top and fixing base 201c butt.

The fixing component 200 is arranged at the tail end of the cutter head 103 through a fixing seat 201c and a limiting nut 202, the cutter head 103 penetrates through a through hole 201d formed in the fixing seat 201c and a slotted hole in the limiting nut 202, and a fixing block 103b is arranged on the cutter head 103 and is abutted against the bottom of the fixing seat 201c, so that the position of the fixing clamp 201 is limited. First handle of a knife 101 is connected with fixing base 201c through connecting rod 101 a.

When the limiting nut 202 moves upwards along the thread 103a, the limiting nut 202 drives the hinged rods 201a hinged at two sides to move upwards, the hinged rods 201a are tightened, the hinged rods 201a pull the fixing rods 201b to rotate while being tightened, and the two fixing rods 201b move towards the tool bit 103 direction at the same time, so that the screws to be fixed are clamped; when the limiting nut 202 moves downwards along the thread 103a, the limiting nut 202 drives the hinged rods 201a hinged at two sides to move downwards, the hinged rods 201a are unfolded, the fixed rods 201b are pulled to rotate while the hinged rods 201a are unfolded, and the two fixed rods 201b simultaneously move oppositely in the direction away from the tool bit 103, so that the tightened screws are loosened.

The fixing clamp 201 and the limiting nut 202 are matched to conveniently clamp and loosen screws, the clamping state and the loosening state of the fixing clamp 201 are controlled through the vertical displacement of the limiting nut 202, the fixing clamp and the loosening state are synchronized with the screwing operation of the screws, the screws can be cancelled while being screwed, and the practicability of the device is improved.

Further, a first groove 101b is formed in the bottom of the first tool shank 101, a second groove 102a is formed in the top of the second tool shank 102, the first groove 101b and the second groove 102a are hollow hemispherical grooves with the same radius, and a rotating ball 105 is arranged in the first groove 101b and the second groove 102 a. The rotating ball 105 is circumferentially provided with a rotating groove 105a, a first rotating block 101c is arranged at the opening of the first groove 101b, and a second rotating block 102b is arranged at the opening of the second groove 102 a.

The first tool handle 101 and the second tool handle 102 are rotatably connected through a rotating ball 105, the first tool handle 101 is rotatably arranged on the upper half part of the rotating ball 105 through a first rotating block 101c, the first rotating block 101c is clamped in a rotating groove 105a, the upper half part of the rotating ball 105 enters a first groove 101b, and the first tool handle 101 can rotate freely in the rotating groove 105 a; the second tool holder 102 is rotatably disposed in the lower half portion of the rotating ball 105 through the second rotating block 102b, the second rotating block 102b is clamped in the rotating groove 105a, the lower half portion of the rotating ball 105 enters the second groove 102a, and the second tool holder 102 can rotate freely in the rotating groove 105 a.

First handle of a knife 101 and second handle of a knife 102 are connected through the rotation ball 105 rotation, and frictional force is little, and the rotational resistance of receiving is little, and can realize the rotation of first handle of a knife 101 for second handle of a knife 102 arbitrary direction and arbitrary angle.

Example 3

Referring to fig. 1 to 6, a third embodiment of the present invention is different from the first two embodiments: the outer side of the bottom of the first tool handle 101 is provided with a first clamping groove 101d, the outer side of the top of the second tool handle 102 is provided with a second clamping groove 102c, the first clamping groove 101d and the second clamping groove 102c are the same in width, and a limiting piece 104 is arranged inside the first clamping groove and the second clamping groove in a sliding mode. The side walls of the first card slot 101d and the second card slot 102c are provided with sliding grooves, the side wall of the limiting piece 104 is provided with a sliding block, the sliding block is matched with the sliding grooves, the limiting piece 104 can move up and down along the sliding grooves in the first card slot 101d and the second card slot 102c, the height of the first card slot 101d is larger than that of the limiting piece 104, the limiting piece 104 can be wholly located in the first card slot 101d, the height of the second card slot 102c is smaller than that of the limiting piece 104, and the limiting piece 104 can be partially located in the second card slot 102c and partially located in the first card slot 101 d.

When the first tool handle 101 and the second tool handle 102 can rotate independently, the limiting piece 104 is located in the first clamping groove 101d of the first tool handle 101, and because the height of the first clamping groove 101d is greater than that of the limiting piece 104, the whole limiting piece 104 is located in the first clamping groove 101d, so that the second tool handle 102 is not limited, the second tool handle 102 can rotate freely relative to the first tool handle 101, so that the fixing clamp 201 is opened and tightened, and a screw to be screwed is fixed or the screw to be screwed is not fixed; when the first tool handle 101 and the second tool handle 102 need to be fixed, the first tool handle 101 or the second tool handle 102 is rotated to enable the first clamping groove 101d and the second clamping groove 102c to be opposite, at this time, the limiting piece 104 slides downwards to enter the second clamping groove 102c, and as the height of the second clamping groove 102c is smaller than that of the limiting piece 104, the limiting piece 104 cannot completely enter the second clamping groove 102c, the upper half part of the limiting piece 104 is located in the first clamping groove 101d, and the lower half part of the limiting piece 104 is located in the second clamping groove 101d, so that the limiting piece 104 fixes the relative positions of the first tool handle 101 and the second tool handle 102, and prevents the relative rotation of the first tool handle 101 and the second tool handle 102 from occurring

The second clamping grooves 102c are circumferentially provided with multiple groups along the second tool handle 102, the fixing clamp 201 cannot ensure that the positions of the first clamping grooves 101d and the second clamping grooves 102c are right opposite to each other due to the fact that the second tool handle 102 needs to be independently rotated to enable the fixing clamp 201 to clamp the screws to be screwed, when the fixing clamp 201 clamps the screws to be screwed, the positions of the second clamping grooves 102c are arranged in multiple groups, the positions of the second clamping grooves 102c can be distributed and arranged according to the size of common screws, the fixing clamp 201 can enable the positions of the first clamping grooves 101d and the positions of the second clamping grooves 102c to be right opposite to each other when the fixing clamp 201 clamps the screws to be screwed by independently rotating the second tool handle 102, and therefore the relative rotation of the first tool handle 101 and the second tool handle 102 is limited through the sliding limiting piece 104. Meanwhile, common screw size values are marked below the second clamping groove 102c, when the second tool shank 102 is independently rotated to enable the second clamping groove 102c corresponding to the screw size to be opposite to the first clamping groove 101d, the limiting piece 104 in the first clamping groove 101d slides to enter the second clamping groove 102c, and at the moment, the fixing clamp 201 clamps the screw to be screwed in the corresponding size.

Further, dead lever 201b bottom is provided with the magnetism clamp splice, and the magnetism clamp splice can further guarantee dead lever 201b to treating the clamp tightly of screwing up the screw, is provided with the holding chamber in the fixing base 201c, and the holding chamber can be used to place and treat the screw of screwing up, increases screwdriver's practicality.

It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.

Claims

1. The utility model provides a screw fixation presss from both sides screwdriver which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,

the screwdriver body (100) comprises a first screwdriver handle (101), a second screwdriver handle (102) and a screwdriver head (103), one end of the second screwdriver handle (102) is rotatably connected to the first screwdriver handle (101), the other end of the second screwdriver handle (102) is connected with the screwdriver head (103), a limiting piece (104) is arranged between the first screwdriver handle (101) and the second screwdriver handle (102), and the tail end of the screwdriver head (103) is provided with a thread (103 a);

a first clamping groove (101 d) is formed in the outer side of the bottom of the first cutter handle (101), a second clamping groove (102 c) is formed in the outer side of the top of the second cutter handle (102), the first clamping groove (101 d) and the second clamping groove (102 c) are the same in width, and a limiting piece (104) is arranged in the first clamping groove (101 d) in a sliding mode;

the fixing assembly (200) comprises a fixing clamp (201) and a limiting nut (202), the limiting nut (202) is connected with the fixing clamp (201), the limiting nut (202) is rotatably arranged at the position of the thread (103 a), and the fixing assembly (200) is connected with the first cutter handle (101) through a connecting rod (101 a).

2. The screw retaining clip screwdriver as recited in claim 1, further comprising: the fixing clamp (201) comprises a hinged rod (201 a), a fixing rod (201 b) and a fixing seat (201 c), wherein the two sides of the limiting nut (202) are connected with the middle of the fixing rod (201 b) through the hinged rod (201 a), and the top end of the fixing rod (201 b) is rotatably connected with the fixing seat (201 c).

3. The screw retaining clip screwdriver as recited in claim 2, further comprising: the center of the fixed seat (201 c) is provided with a through hole (201 d), and the tool bit (103) penetrates through the through hole (201 d).

4. The screw retaining clip screwdriver of claim 3, wherein: the outer side of the cutter head (103) is provided with a fixing block (103 b), the fixing block (103 b) is arranged above the thread (103 a), and the top of the fixing block (103 b) is abutted to the fixing seat (201 c).

5. The screw retaining clip screwdriver as recited in any of claims 2-4, further comprising: the tool comprises a first tool handle (101), a second tool handle (102), a first groove (101 b) and a second groove (102 a), wherein the first groove (101 b) is formed in the bottom of the first tool handle (101), the second groove (102 a) is formed in the top of the second tool handle (102), the first groove (101 b) and the second groove (102 a) are hollow hemispherical grooves with the same radius, and rotating balls (105) are arranged in the first groove (101 b) and the second groove (102 a).

6. The screw retaining clip screwdriver as recited in claim 5, further comprising: the rotating ball (105) is circumferentially provided with a rotating groove (105 a), a first rotating block (101 c) is arranged at the opening of the first groove (101 b), and a second rotating block (102 b) is arranged at the opening of the second groove (102 a).

7. The screw retaining clip screwdriver of claim 6, wherein: the side walls of the first clamping groove (101 d) and the second clamping groove (102 c) are provided with sliding grooves, the side wall of the limiting piece (104) is provided with a sliding block, the height of the first clamping groove (101 d) is larger than that of the limiting piece (104), and the height of the second clamping groove (102 c) is smaller than that of the limiting piece (104).

8. The screw retaining clip screwdriver as recited in claim 7, further comprising: and a plurality of groups of second clamping grooves (102 c) are formed along the circumferential direction of the second knife handle (102).

9. The screw retaining clip screwdriver as recited in any of claims 6-8, further comprising: the bottom end of the fixed rod (201 b) is provided with a magnetic clamping block, and the fixed seat (201 c) is internally provided with an accommodating cavity.