CN211940670U - Screwdriver capable of changing angle - Google Patents
Screwdriver capable of changing angle Download PDFInfo
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- CN211940670U CN211940670U CN202020192464.8U CN202020192464U CN211940670U CN 211940670 U CN211940670 U CN 211940670U CN 202020192464 U CN202020192464 U CN 202020192464U CN 211940670 U CN211940670 U CN 211940670U
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- screwdriver
- universal joint
- joint fork
- universal
- bar
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Abstract
The utility model belongs to the technical field of hardware and tools, concretely relates to screwdriver that can alternate angle, the one end fixedly connected with universal device of metal straight-bar, universal device keeps away from the one end fixedly connected with cutter arbor of metal straight-bar, the cutter arbor keeps away from the one end fixedly connected with tool bit of universal device, cutter arbor one end fixedly connected with second universal joint fork, second universal joint fork with two of the cross axle correspond the axle rotation and be connected, two correspond the axle head and be provided with the sleeve respectively, metal straight-bar one end is provided with first universal joint fork, first universal joint fork with the cross axle is another two correspond the axle rotation and be connected, another two correspond the axle head and be provided with the sleeve respectively; the utility model discloses can let the handle have a suitable operating space and angle in narrow and small space, accomplish the operation that common straight-bar screwdriver can not be accomplished.
Description
Technical Field
The utility model belongs to the technical field of hardware and tools, concretely relates to screwdriver that can alternate angle.
Background
The screwdriver is a working tool which cannot be used by people in daily life and working operation, is mainly used for loading and unloading screws or bolts, and generally comprises a handle and a straight-rod-shaped screwdriver rod, wherein the outer end of the screwdriver rod is provided with a straight or cross-shaped screwdriver head to adapt to the screw caps with different blade shapes, and the common screwdriver is convenient to load and unload in use in places with larger operation space.
However, the screwdriver cannot be operated normally due to the large limitation in a place with a small operation space, and in order to facilitate the life and production of people, a straight rod of the screwdriver needs to be changed into a bendable screwdriver so as to be suitable for use in a small space.
SUMMERY OF THE UTILITY MODEL
The utility model provides a screwdriver that can alternate angle aims at solving the problem that current screwdriver can receive the unable normal operation of very big restriction in the less place in operation space among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the screwdriver capable of changing the angle comprises a screwdriver head, a screwdriver rod, a universal device and a metal straight rod, wherein the universal device is fixedly connected to one end of the metal straight rod, the screwdriver rod is fixedly connected to one end, away from the metal straight rod, of the universal device, and the screwdriver head is fixedly connected to one end, away from the universal device, of the screwdriver rod;
the universal device comprises a first universal joint fork, a second universal joint fork, a cross shaft and sleeves, wherein one end of the cutter bar is fixedly connected with the second universal joint fork, the second universal joint fork is rotatably connected with two corresponding shafts of the cross shaft, the sleeves are respectively arranged at the ends of the two corresponding shafts, the first universal joint fork is arranged at one end of the metal straight rod, the first universal joint fork is rotatably connected with the other two corresponding shafts of the cross shaft, and the sleeves are respectively arranged at the ends of the other two corresponding shafts.
Preferably, the universal device further comprises a handle, and the handle is arranged at one end, far away from the universal device, of the metal straight rod.
Preferably, the cutter comprises a bearing, and the bearing is sleeved on the cutter rod.
Preferably, the handle is provided with a plurality of anti-skid protrusions.
Preferably, the handle is sleeved with a rubber sleeve for skid resistance.
Preferably, the length of the metal straight rod is greater than that of the cutter rod.
Preferably, the first universal joint fork and the second universal joint fork have the same structure and are both I-shaped.
Compared with the prior art, the beneficial effects of the utility model are that: the universal device arranged between the cutter bar and the metal straight rod enables the cutter head connected with the cutter bar to freely adjust the swing direction in a multi-direction and multi-angle mode in a three-dimensional space, the handle can be enabled to have a proper operation space and angle in a narrow space, the work operation which cannot be completed by a common straight rod screwdriver can be completed, the force can be applied to the bearing through one hand, the friction between the cutter head and the cutter edge is enhanced, and meanwhile the bearing can also assist the torque force moment without retardation.
Drawings
FIG. 1 is a schematic structural view of the present invention (without the handle);
fig. 2 is a front view of the present invention;
FIG. 3 is a front view of the present invention rotated by a certain angle;
FIG. 4 is a front view of the universal device of the present invention;
FIG. 5 is a front view of the cross of the present invention;
in the figure: 1-a tool bit, 2-a tool bar, 3-a bearing, 4-a universal device, 41-a first universal joint fork, 42-a second universal joint fork, 43-a cross shaft, 44-a sleeve, 5-a metal straight rod and 6-a handle.
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.
Referring to fig. 1-5, the present invention provides a technical solution: a screwdriver capable of changing angles comprises a screwdriver head 1, a screwdriver rod 2, a universal device 4 and a metal straight rod 5, wherein one end of the metal straight rod 5 is fixedly connected with the universal device 4, one end, far away from the metal straight rod 5, of the universal device 4 is fixedly connected with the screwdriver rod 2, and one end, far away from the universal device 4, of the screwdriver rod 2 is fixedly connected with the screwdriver head 1;
the universal device 4 comprises a first universal joint fork 41, a second universal joint fork 42, a cross shaft 43 and a sleeve 44, wherein one end of the cutter bar 2 is fixedly connected with the second universal joint fork 42, the second universal joint fork 42 is rotatably connected with two corresponding shafts of the cross shaft 43, the sleeves 44 are respectively arranged at the shaft ends of the two corresponding shafts, the first universal joint fork 41 is arranged at one end of the metal straight rod 5, the first universal joint fork 41 is rotatably connected with the other two corresponding shafts of the cross shaft 43, and the sleeves 44 are respectively arranged at the shaft ends of the other two corresponding shafts.
In the embodiment, the universal device 4 connected between the screwdriver rod 2 and the metal straight rod 5 can enable the screwdriver rod 2 to adjust the angle direction, enable the screwdriver head 1 to freely adjust the swing direction in a three-dimensional space in multiple directions and multiple angles, enable the handle to have a proper operation space and angle in a narrow space, when a worker uses the screwdriver, two hands are respectively placed on the metal straight rod 5 and the bearing 3, the screwdriver head 1 is aligned with a knife edge of a screw cap part and applies a pressing force to prevent dislocation, then the metal straight rod 5 is rotated, the torque moment can be transmitted to the screwdriver rod 2 at the other end through the universal device 4, the screwdriver rod 2 rotates to realize power transmission, the universal device 4 can be specifically a cross shaft type universal joint, the universal device 4 is rotatably connected with two corresponding shafts of the cross shafts 43 through the second universal joint fork 42, the first universal joint fork 41 is rotatably connected with the other two corresponding shafts of the cross shafts 43, the cutter bar 2 can swing in any direction around the center of a cross shaft 43 through a second universal joint fork 42 to change the angle, so that the cutter bar 2 can freely adjust the swing direction in a three-dimensional space in multiple directions and multiple angles, a sleeve 44 plays a role in limiting a first universal joint fork 41 and a second universal joint fork 42, the first universal joint fork 41 and the second universal joint fork 42 cannot slide out of the cross shaft 43, when a user rotates a metal straight rod 5 with one hand, the first universal joint fork 41 is driven to rotate, the first universal joint fork 41 transmits torque moment to the second universal joint fork 42 through the cross shaft 43 so as to drive the second universal joint fork 42 to rotate, the second universal joint fork 42 drives the cutter bar 2 to rotate, a cutter head 1 on the cutter bar 2 can be dismounted by a screw or a bolt, the other hand applies force to a bearing 3 in the process of dismounting the screw or the bolt, and the friction between the cutter head 1 and a cutter edge is enhanced, meanwhile, the bearing 3 can also assist the torque moment without retardation, so that the operation which can not be finished by a common straight-bar screwdriver in a narrow space can be finished.
Further, the universal device comprises a handle 6, and the handle 6 is arranged at one end, far away from the universal device 4, of the metal straight rod 5.
In this embodiment, the handle 6 arranged at the tail end of the metal straight rod 5 does not affect the normal holding of the handle 6 by a worker, and the handle 6 can be rotated to drive the metal straight rod 5 to rotate and transmit the metal straight rod to the cutter bar 2 through the universal device 4, so that the screw or the bolt can be detached from the rotating cutter head 1.
Further, the cutter bar device also comprises a bearing 3, and the bearing 3 is sleeved on the cutter bar 2.
In the embodiment, the bearing 3 is sleeved on the cutter bar 2, so that the other hand applies force to the bearing 3 in the screw or bolt loading and unloading process, the friction between the cutter head 1 and the knife edge is enhanced, and meanwhile, the bearing 3 can also assist the torque moment without retardation.
Further, the handle 6 is provided with a plurality of anti-skid bulges.
In the present embodiment, the friction between the hand and the handle 6 can be increased by the plurality of nonslip protrusions provided on the handle 6, and the hand can be prevented from slipping on the handle 6.
Further, a rubber sleeve for preventing skidding is sleeved on the handle 6.
In this embodiment, the effect of preventing slipping through the rubber sleeve arranged on the handle 6 is good, and the rubber sleeve is easy to obtain in life and has low cost.
Further, the length of the metal straight rod 5 is larger than that of the cutter bar 2.
In the embodiment, the length of the metal straight rod 5 is greater than that of the cutter bar 2, so that a labor-saving lever is formed when the cross shaft 43 is taken as a fulcrum, the strength of a user can be saved, and screws or bolts can be easily mounted and dismounted.
Further, the first yoke 41 and the second yoke 42 have the same structure, and both are i-shaped.
In the present embodiment, the first yoke 41 and the second yoke 42 having the same structure can work with the cross 43, and the first yoke 41 and the second yoke 42 having the h-shape are advantageous for use in mounting with the cross 43.
The utility model discloses a theory of operation and use flow: after the utility model is installed, when the screw driver is used by a worker, two hands are respectively placed on the metal straight rod 5 and the bearing 3, the tool bit 1 is aligned with the knife edge of the screw cap part and a pressing force is applied to prevent dislocation, then the metal straight rod 5 is rotated, the torque force can be transmitted to the tool bar 2 at the other end through the universal device 4, the tool bar 2 is rotated to realize power transmission, the tool bar 2 can swing in any direction around the center of the cross shaft 43 through the second universal joint fork 42 to realize angle change, the sleeve 44 has the limiting function to the first universal joint fork 41 and the second universal joint fork 42, when the metal straight rod 5 is rotated by one hand of the user, the first universal joint fork 41 is driven to rotate, the first universal joint fork 41 transmits the torque force to the second universal joint fork 42 through the cross shaft 43 to drive the second universal joint fork 42 to rotate, the second universal joint fork 42 drives the tool bar 2 to rotate, the cutter head 1 on the cutter bar 2 can rotate to unload the screw or the bolt.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. The utility model provides a screwdriver that can alternate angle which characterized in that: the tool comprises a tool bit (1), a tool bar (2), a universal device (4) and a metal straight bar (5), wherein one end of the metal straight bar (5) is fixedly connected with the universal device (4), one end, far away from the metal straight bar (5), of the universal device (4) is fixedly connected with the tool bar (2), and one end, far away from the universal device (4), of the tool bar (2) is fixedly connected with the tool bit (1);
the universal device (4) comprises a first universal joint fork (41), a second universal joint fork (42), a cross shaft (43) and a sleeve (44), wherein the second universal joint fork (42) is fixedly connected to one end of the cutter bar (2), the second universal joint fork (42) is rotatably connected with two corresponding shafts of the cross shaft (43), the sleeves (44) are respectively arranged at the ends of the two corresponding shafts, the first universal joint fork (41) is arranged at one end of the metal straight rod (5), the first universal joint fork (41) is rotatably connected with the other two corresponding shafts of the cross shaft (43), and the sleeves (44) are respectively arranged at the ends of the other two corresponding shafts.
2. The screwdriver according to claim 1, wherein the angle-changeable screwdriver comprises: the universal device is characterized by further comprising a handle (6), wherein the handle (6) is arranged at one end, far away from the universal device (4), of the metal straight rod (5).
3. The screwdriver according to claim 2, wherein the angle-changeable screwdriver comprises: the cutter is characterized by further comprising a bearing (3), wherein the bearing (3) is sleeved on the cutter bar (2).
4. The screwdriver according to claim 2, wherein the angle-changeable screwdriver comprises: the handle (6) is provided with a plurality of anti-skid bulges.
5. The screwdriver according to claim 2, wherein the angle-changeable screwdriver comprises: the handle (6) is sleeved with a rubber sleeve for skid resistance.
6. The screwdriver according to claim 1, wherein the angle-changeable screwdriver comprises: the length of the metal straight rod (5) is greater than that of the cutter bar (2).
7. The screwdriver according to claim 1, wherein the angle-changeable screwdriver comprises: the first universal joint fork (41) and the second universal joint fork (42) are identical in structure and are I-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020192464.8U CN211940670U (en) | 2020-02-21 | 2020-02-21 | Screwdriver capable of changing angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020192464.8U CN211940670U (en) | 2020-02-21 | 2020-02-21 | Screwdriver capable of changing angle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211940670U true CN211940670U (en) | 2020-11-17 |
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ID=73195670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020192464.8U Active CN211940670U (en) | 2020-02-21 | 2020-02-21 | Screwdriver capable of changing angle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211940670U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111251231A (en) * | 2020-02-21 | 2020-06-09 | 三明学院 | Screwdriver capable of changing angle |
-
2020
- 2020-02-21 CN CN202020192464.8U patent/CN211940670U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111251231A (en) * | 2020-02-21 | 2020-06-09 | 三明学院 | Screwdriver capable of changing angle |
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