CN212978134U - Screwdriver - Google Patents
Screwdriver Download PDFInfo
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- CN212978134U CN212978134U CN202021360837.4U CN202021360837U CN212978134U CN 212978134 U CN212978134 U CN 212978134U CN 202021360837 U CN202021360837 U CN 202021360837U CN 212978134 U CN212978134 U CN 212978134U
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- screwdriver
- chuck
- screw
- rod
- mounting seat
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Abstract
The utility model relates to an equipment fixing field discloses a screwdriver, include: the screwdriver rod, the mounting seat and the chuck; the screwdriver rod sequentially penetrates through the mounting seat and the chuck, and a screwdriver head used for being matched with a screw is formed at one end, facing the chuck, of the screwdriver rod; the chuck can be arranged on the mounting seat in a sliding way along the axial direction of the screwdriver rod; a plurality of clamping plates are arranged at one end of the chuck, which is far away from the mounting seat, each clamping plate is pivoted to the chuck through a connecting rod, and the axis of the connecting rod is vertical to the axis direction of the screwdriver rod; the clamp head is also provided with first elastic pieces which correspond to the clamp plates one by one, and the first elastic pieces are used for driving the clamp plates to rotate around the axis of the connecting rod towards the axis direction of the screwdriver rod so as to clamp the screw. The screwdriver is simple to operate, the risk that the screw drops in the screw installation process can be reduced, and the screw falling prevention function is achieved in the screw dismounting process.
Description
Technical Field
The utility model relates to an equipment fixing technical field, in particular to screwdriver.
Background
In the work and daily life of people, the use of screw is everywhere. However, when screwing the screw, the screw is often dropped. Because the screw is small, the quality is light, drops easily, is difficult for looking for after dropping. It is particularly common for the screws to fall off when the equipment screws are being restored or removed. When the screw falls into the running equipment, the equipment is easily damaged due to the interference of the screw, and great trouble is brought to the work.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a screwdriver for reduce the risk that installation screw in-process screw dropped, dismantle the screw in-process moreover and have the screw function of preventing that drops.
In order to achieve the above purpose, the utility model provides the following technical scheme:
a screwdriver, comprising: the screwdriver rod, the mounting seat and the chuck;
the screwdriver rod sequentially penetrates through the mounting seat and the chuck, and a screwdriver head used for being matched with a screw is formed at one end, facing the chuck, of the screwdriver rod;
the chuck can be slidably mounted on the mounting seat along the axial direction of the screwdriver rod;
a plurality of clamping plates are arranged at one end, away from the mounting seat, of the clamping head, each clamping plate is pivoted to the clamping head through a connecting rod, and the axis of each connecting rod is perpendicular to the axis direction of the screwdriver rod; still be equipped with on the chuck with splint one-to-one's first elastic component, first elastic component is used for the drive splint wind the axis orientation of connecting rod the axis direction of screwdriver pole rotates, in order to press from both sides tightly the screw.
The screwdriver pole of above-mentioned screwdriver passes mount pad and chuck in proper order, screwdriver pole towards chuck one end be formed with be used for with screw complex screwdriver bit, the chuck is equipped with a plurality of splint that are used for the centre gripping screw towards screwdriver bit one end, specifically, every splint all connect in the chuck through a connecting rod pivot, and the axis of connecting rod is perpendicular with screwdriver pole's axis direction, be located splint towards mount pad one end with the first elastic component of every splint one-to-one on the chuck, through lever principle, the other end of splint (towards screwdriver bit's one end promptly) winds under the effect of first elastic component the axis orientation of connecting rod screwdriver pole's axis direction is rotated to make a plurality of splint press from both sides tightly with screwdriver bit complex screw, and, first elastic component makes a plurality of splint have tight trend of clamp all the time. When the screwdriver is used for installing screws, the screws are firstly pushed into the chucks and are fixed through the clamping plates; aligning the screw in the threaded hole of the equipment, and screwing a screwdriver bit into the screw; when the screw is introduced to a deeper depth, the clamping plate touches the surface of the equipment and is pushed reversely by the surface of the equipment, the chuck can slide backwards on the mounting seat along the axial direction of the screwdriver rod, and the clamping plate is separated from the screw until the screw is locked. When the screwdriver is used for disassembling the screw, when the screwdriver is close to the disassembled screw, the clamping plate firstly touches the surface of the equipment, and the chuck slides backwards along the axial direction of the screwdriver rod on the mounting seat under the reverse thrust of the surface of the equipment; the screwdriver head aims at the screw, along with the screw is slowly twisted out, and the equipment surface begins to reduce the reaction force to splint, and the chuck is along screwdriver pole's axis direction forward slip on the mount pad, and the screw head is touch to splint, and the effort of overcoming first elastic component makes the splint perk, and in the screw head moved back into the splint of chuck, first elastic component made splint press from both sides tight screw head afterwards.
Therefore, the screwdriver is simple to operate, the risk that the screw drops in the screw mounting process can be reduced, and the screw falling prevention function is achieved in the screw dismounting process.
Optionally, a clamping groove for clamping the screw is formed in one side, facing the screwdriver rod, of the clamping plate.
Optionally, the number of the clamping plates is three, and the three clamping plates are uniformly distributed around the axis direction of the screwdriver rod.
Optionally, the first resilient member is a plunger spring.
Optionally, an accommodating cavity for accommodating the chuck is formed in the mounting seat, a second elastic part is arranged in the accommodating cavity, one end of the second elastic part is connected with the mounting seat, and the other end of the second elastic part is connected with the chuck and used for providing acting force for the chuck to slide along the axial direction of the screwdriver rod.
Optionally, the second elastic element is sleeved outside the screwdriver rod.
Optionally, the mount includes an end cap and a sleeve, the end cap being an interference fit with the sleeve.
Optionally, the screwdriver rod is in interference fit with the end cap.
Optionally, the sleeve and the chuck are slidably connected through a sliding groove and a sliding rail.
Optionally, the sleeve is circumferentially limited from the collet.
Drawings
Fig. 1 is a schematic structural view of a screwdriver head according to an embodiment of the present invention;
fig. 2 is a top view of a screwdriver according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
fig. 4 is a schematic structural view of a sleeve in a screwdriver according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a chuck in a screwdriver according to an embodiment of the present invention.
Icon: 1-a screwdriver rod; 2-screwdriver bits; 3-end cover; 4-a sleeve; 5-clamping head; 6-clamping plate; 7-a connecting rod; 8-a first elastic member; 9-a second elastic member; 60-card slot.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 to 5, an embodiment of the present invention provides a screwdriver, including: the screwdriver rod 1, the mounting seat and the chuck 5; the screwdriver rod 1 sequentially penetrates through the mounting seat and the chuck 5, and a screwdriver head 2 used for being matched with a screw is formed at one end, facing the chuck 5, of the screwdriver rod 1; the chuck 5 can be arranged on the mounting seat in a sliding way along the axial direction of the screwdriver rod 1; one end of the chuck 5, which is far away from the mounting seat, is provided with a plurality of clamping plates 6, each clamping plate 6 is pivoted to the chuck 5 through a connecting rod 7, and the axis of the connecting rod 7 is vertical to the axis direction of the screwdriver rod 1; the chuck 5 is further provided with first elastic pieces 8 corresponding to the clamping plates 6 one by one, and the first elastic pieces 8 are used for driving the clamping plates 6 to rotate around the axis of the connecting rod 7 towards the axis direction of the screwdriver rod 1 so as to clamp the screw.
The screwdriver rod 1 of the screwdriver sequentially penetrates through the mounting seat and the chuck 5, a screwdriver head 2 matched with a screw is formed at one end, facing the chuck 5, of the screwdriver rod 1, the chuck 5 is provided with a plurality of clamping plates 6 used for clamping the screw at one end, facing the screwdriver head 2, specifically, each clamping plate 6 is pivoted with the chuck 5 through a connecting rod 7, the axis of the connecting rod 7 is vertical to the axis direction of the screwdriver rod 1, the first elastic pieces 8 which are arranged on the chuck 5 and correspond to each clamping plate 6 one by one are positioned at one end of each clamping plate 6, which faces the mounting seat, by the lever principle, the other end of the clamping plate 6 (i.e. the end facing the screwdriver bit 2) rotates around the axis of the connecting rod 7 towards the axis direction of the screwdriver rod 1 under the action of the first elastic piece 8, so that the plurality of jaws 6 grip the screw engaged with the screwdriver bit 2 and the first elastic member 8 causes the plurality of jaws 6 to always have a tendency to grip. When the screwdriver is used for installing screws, the screws are firstly pushed into the chucks 5 and are fixed through the clamping plates 6; aligning the screw in the threaded hole of the equipment, and screwing the screwdriver head 2 into the screw; when the screw is introduced to a deeper depth, the clamping plate 6 touches the surface of the equipment and is pushed reversely by the surface of the equipment, the chuck 5 slides backwards on the mounting seat along the axial direction of the screwdriver rod 1, and the clamping plate 6 is separated from the screw until the screw is locked. When the screwdriver is used for disassembling the screw, when the screwdriver is close to the disassembled screw, the clamping plate 6 firstly touches the surface of the equipment, and the chuck 5 pushed by the reverse direction of the surface of the equipment slides backwards on the mounting seat along the axial direction of the screwdriver rod 1; the screw is aimed at to screwdriver head 2, along with the screw is slowly twisted out, and the equipment surface begins to reduce the reaction force to splint 6, and chuck 5 is along the axis direction forward slip of screwdriver pole 1 on the mount pad, and the screw head is touch to splint 6, overcomes the effort of first elastic component 8 and makes splint 6 perk, and in the splint 6 of chuck 5 was gone back into to the screw head, first elastic component 8 made splint 6 tight screw head of clamp afterwards.
Therefore, the screwdriver is simple to operate, the risk that the screw drops in the screw mounting process can be reduced, and the screw falling prevention function is achieved in the screw dismounting process.
Optionally, the clamping plate 6 is provided with a clamping groove 60 for clamping a screw on a side facing the screwdriver rod 1.
In a possible implementation mode, the clamping plate 6 is provided with a notch to form a clamping groove 60 towards one side of the screwdriver rod 1, and the notches on the plurality of clamping plates 6 form an annular clamping groove to improve the capacity of clamping a screw head into the clamping plate 6 and prevent the screw from falling.
Alternatively, there are three clamping plates 6, and the three clamping plates 6 are evenly distributed around the axial direction of the screwdriver rod 1.
In a possible implementation manner, the chuck 5 is a cylindrical structure, the screwdriver rod 1 and the chuck 5 are coaxially arranged, three clamping plates 6 and three first elastic members 8 are arranged on the chuck 5, and the three clamping plates 6 are uniformly distributed along the circumferential direction of the chuck 5, that is, the three clamping plates 6 are uniformly distributed around the axial direction of the screwdriver rod 1.
Optionally, the first resilient member 8 is a plunger spring.
In a possible way, the number of the first elastic members 8 is three, and three plunger springs are uniformly arranged in the deep hole of the chuck 5 around the axial direction of the screwdriver rod 1. The plunger spring is installed at the tail part of the clamping plate 6, and the function of automatic clamping is realized by utilizing the lever principle.
Optionally, an accommodating cavity for installing the chuck 5 is formed inside the installation seat, a second elastic member 9 is arranged in the accommodating cavity, one end of the second elastic member 9 is connected with the installation seat, and the other end of the second elastic member is connected with the chuck 5, so as to provide an acting force for the chuck 5 to slide along the axial direction of the screwdriver rod 1.
In a possible implementation manner, a second elastic element 9 is connected between the tail of the chuck 5 and the mounting seat in the screwdriver, and the second elastic element 9 may be a spring. The specific operation process of using the screwdriver to install and detach the screw is as follows:
1. the situation of mounting screws:
(1) pushing the screw into the chuck 5, and fixing through the clamping plate 6;
(2) aligning the screw in the threaded hole of the equipment, and screwing the screwdriver head 2 into the screw;
(3) when the screw is introduced into the screw to a deeper depth, the clamping plate 6 touches the surface of the equipment and is pushed reversely by the surface of the equipment, the spring behind the chuck 5 is compressed, the chuck 5 is retracted backwards along the screwdriver rod 1 along the mounting seat, and the clamping plate 6 is separated from the screw until the screw is locked.
2. The situation of disassembling the screw:
(1) when the screwdriver is close to the screw dismounting, the clamping plate 6 firstly touches the surface of the equipment, and the chuck 5 is pushed backwards by the reverse thrust of the surface of the equipment.
(2) The screwdriver bit 2 is aligned with the screw. As the screw is slowly unscrewed, the surface of the device begins to reduce the reaction force against the clamping plate 6. The spring behind the chuck 5 starts to push the chuck 5 forward, the clamping plate 6 touches the screw head, the clamping plate 6 is tilted up by overcoming the acting force of the plunger spring, the head of the screw retreats into the clamping plate 6 of the chuck 5, and then the clamping plate 6 clamps the screw head by the plunger spring.
Optionally, the second elastic element 9 is sleeved outside the screwdriver rod 1.
In a possible way of realisation, the screwdriver rod 1 passes through the second elastic element 9, while providing a guiding function for the second elastic element 9.
Optionally, the mount comprises an end cap 3 and a sleeve 4, the end cap 3 being an interference fit with the sleeve 4.
It should be noted that the end cover 3 and the sleeve 4 are in interference fit to form a mounting seat, that is, the end cover 3 and the sleeve 4 are relatively fixed; optionally, the sleeve 4 is a cylindrical sleeve 4.
Optionally, the screwdriver rod 1 is interference fit with the end cap 3.
It should be noted that, the screwdriver rod 1 and the end cover 3 are in interference fit, that is, the screwdriver rod 1 and the end cover 3 are relatively fixed, that is, in the sliding process of the chuck 5 and the sleeve 4, the screwdriver rod 1, the end cover 3 and the sleeve 4 are relatively fixed. In addition, a limiting surface is arranged between the sleeve 4 and the chuck 5 to prevent the chuck 5 from sliding out of the sleeve 4.
Optionally, the sleeve 4 and the collet 5 are slidably connected by a sliding groove and a sliding rail.
In a possible implementation mode, a sliding rail extending along the axial direction of the screwdriver rod 1 is arranged on the sleeve 4, and a sliding groove matched with the sliding rail is arranged on the chuck 5; or, the chuck 5 is provided with a slide rail extending along the axis direction of the screwdriver rod 1, and the sleeve 4 is provided with a slide groove matched with the slide rail.
Optionally, the sleeve 4 is circumferentially limited with the collet 5.
In a possible way, in the above screwdriver, the sleeve 4 and the collet 5 are circumferentially limited, and in particular, the cylindrical sleeve 4 and the collet 5 have a mutual engagement shape, which can be fitted to the right shape during fitting, for example, the cross section of the sleeve 4 is an internal hexagon and the cross section of the collet 5 is a regular hexagon.
In a specific embodiment, the steps of mounting the components of the screwdriver are as follows:
(1) the chuck 5 passes through the cylindrical sleeve 4;
(2) uniformly arranging three plunger springs in a deep hole of the chuck 5;
(3) aligning the through hole of the clamping plate 6 with the through hole of the clamping head 5, and then enabling the connecting rod 7 to firstly penetrate through the through hole of the clamping head 5 in an interference fit mode and then penetrate through the through hole on the clamping plate 6 in a clearance fit mode until the connecting rod 7 penetrates through the through hole of the clamping head 5 on the opposite side;
(4) placing a spring into the cylindrical sleeve 4;
(5) the end cover 3 and the cylindrical sleeve 4 are assembled into a mounting seat in an interference fit mode;
(6) the screwdriver rod 1 penetrates through the through hole of the end cover 3, and the position of the end cover 3 on the screwdriver rod 1 is fixed in an interference mode.
Wherein: the clamping plate 6, the plunger spring, the cylindrical sleeve 4, the end cover 3 and the clamping head 5 are made of aluminum materials. The connecting rod 7 is made of ferrous materials. The screwdriver rod 1 may be made of, but not limited to, a magnetic material, and may be made of other metal materials.
The screw driver is provided with the plunger spring, the screw is automatically clamped by the lever principle, the screw fixing mode is simple, the operation efficiency is improved, and the movable chuck 5 is adopted, so that the falling prevention function is realized when the screw is disassembled.
It will be apparent to those skilled in the art that various changes and modifications may be made to the embodiments of the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A screwdriver, comprising: the screwdriver rod, the mounting seat and the chuck;
the screwdriver rod sequentially penetrates through the mounting seat and the chuck, and a screwdriver head used for being matched with a screw is formed at one end, facing the chuck, of the screwdriver rod;
the chuck can be slidably mounted on the mounting seat along the axial direction of the screwdriver rod;
a plurality of clamping plates are arranged at one end, away from the mounting seat, of the clamping head, each clamping plate is pivoted to the clamping head through a connecting rod, and the axis of each connecting rod is perpendicular to the axis direction of the screwdriver rod; still be equipped with on the chuck with splint one-to-one's first elastic component, first elastic component is used for the drive splint wind the axis orientation of connecting rod the axis direction of screwdriver pole rotates, in order to press from both sides tightly the screw.
2. The screwdriver according to claim 1, wherein a side of the clamping plate facing the screwdriver rod is provided with a clamping groove for clamping the screw.
3. The screwdriver as defined in claim 1, wherein there are three said clamping plates and the three clamping plates are evenly distributed around the axial direction of the screwdriver rod.
4. The screwdriver as recited in claim 1, wherein said first resilient member is a plunger spring.
5. The screwdriver according to claim 1, wherein a receiving cavity for receiving the collet is formed inside the mounting seat, and a second elastic member is disposed inside the receiving cavity, and one end of the second elastic member is connected to the mounting seat, and the other end of the second elastic member is connected to the collet, so as to provide an acting force for the collet to slide along the axial direction of the screwdriver rod.
6. The screwdriver as defined in claim 5, wherein said second resilient member is sleeved outside said screwdriver shaft.
7. The screwdriver as recited in claim 1, wherein the mount comprises an end cap and a sleeve, the end cap having an interference fit with the sleeve.
8. The screwdriver as defined in claim 7, wherein the screwdriver shaft has an interference fit with the end cap.
9. The screwdriver as recited in claim 7, wherein said sleeve is slidably coupled to said collet via a sliding slot and a sliding track.
10. The screwdriver as recited in claim 7, wherein said sleeve circumferentially circumscribes said collet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021360837.4U CN212978134U (en) | 2020-07-10 | 2020-07-10 | Screwdriver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021360837.4U CN212978134U (en) | 2020-07-10 | 2020-07-10 | Screwdriver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212978134U true CN212978134U (en) | 2021-04-16 |
Family
ID=75428481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021360837.4U Active CN212978134U (en) | 2020-07-10 | 2020-07-10 | Screwdriver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212978134U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114310760A (en) * | 2022-02-16 | 2022-04-12 | 许少鹏 | Intelligent sleeve with torque display |
-
2020
- 2020-07-10 CN CN202021360837.4U patent/CN212978134U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114310760A (en) * | 2022-02-16 | 2022-04-12 | 许少鹏 | Intelligent sleeve with torque display |
| CN114310760B (en) * | 2022-02-16 | 2022-12-27 | 上海优拜机械股份有限公司 | Intelligent sleeve with torque display |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 230013 Southwest District of Hefei City, Anhui Province Patentee after: Hefei xinyihua Intelligent Machine Co.,Ltd. Address before: 230013 Southwest District of Hefei City, Anhui Province Patentee before: HEFEI SINEVA INTELLIGENT MACHINE Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |