CN210414326U - Internal hexagonal wrench - Google Patents
Internal hexagonal wrench Download PDFInfo
- Publication number
- CN210414326U CN210414326U CN201921116149.0U CN201921116149U CN210414326U CN 210414326 U CN210414326 U CN 210414326U CN 201921116149 U CN201921116149 U CN 201921116149U CN 210414326 U CN210414326 U CN 210414326U
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- hexagonal
- screw rod
- screw
- rod
- groove
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Abstract
The utility model discloses an inner hexagonal spanner, its characterized in that: comprises an arm rod, a hexagonal cylinder for inserting a hexagon socket head cap screw and an adjusting mechanism; the hexagonal cylinder is formed by splicing six splicing blocks; adjustment mechanism has the screw rod of rotatory installation on the armed lever at least, and moves to the outside by hexagonal prism center through the rotatory drive concatenation piece of screw rod, makes concatenation piece top hold screw head hexagonal recess side, the utility model discloses simple structure pegs graft the hexagonal prism in screw head hexagonal recess, through the rotatory screw rod of staff, makes the rotatory drive concatenation piece of screw rod move to the outside by hexagonal prism center, makes concatenation piece top hold screw head hexagonal recess, realizes adapting to the regulation of different specifications hexagon screws, and rethread hand drives the armed lever and rotates, realizes the installation of hexagon screws and dismantles.
Description
Technical Field
The utility model relates to an inner hexagonal spanner.
Background
A wrench is a common installation and removal tool. Hand tools for turning bolts, screws, nuts and other threaded fasteners for tightening openings or trepanning of bolts or nuts using the principle of leverage. The socket wrench and the socket wrench are particularly suitable for the socket screws with very narrow turning positions or deep recesses, and the socket screws have different specifications, so that the corresponding wrench hexagonal cylinders need different specifications, and a user who is not familiar with the specifications of the socket screws and the specifications of the wrench needs to try for many times to find the wrench matched with the socket screws; the existing internal hexagonal wrench can only be suitable for one internal hexagonal screw, and wrenches with different specifications are required to be equipped during installation or disassembly operation.
SUMMERY OF THE UTILITY MODEL
To the defect that above-mentioned prior art exists, the to-be-solved technical problem of the utility model is: the wrench hexagonal cylinder can be moved outwards from the center in an expanding manner, so that the wrench hexagonal cylinder is suitable for different specifications of the socket head cap screws, the screw head hexagonal groove is pushed to rotate, and meanwhile, a user who is not familiar with the specifications of the socket head cap screws and the wrench specifications does not need to try to find the wrench matched with the socket head cap screws for many times.
An inner hexagonal wrench comprises an arm rod, a hexagonal cylinder and an adjusting mechanism, wherein the hexagonal cylinder is used for inserting an inner hexagonal screw head;
the hexagonal cylinder is formed by splicing six splicing blocks;
the adjusting mechanism is at least provided with a screw rod which is rotatably arranged on the arm rod, and the splicing blocks are rotationally driven by the screw rod to move outwards from the center of the hexagonal cylinder, so that the splicing blocks push against the side surface of the hexagonal groove of the screw head.
Further, screw-thread fit cover is equipped with the swivel nut on the screw rod, the swivel nut periphery corresponds that the concatenation piece articulates there is the connecting rod, arm pole one end is equipped with the connecting plate, connecting plate one side is located the screw rod below and is equipped with the fixed plate, six guide ways have been run through to the fixed plate lower surface uses hexagonal cylinder central line as the rotatory equipartition of axis, the activity of concatenation piece sets up in the guide way, it is articulated mutually with the connecting rod to pass the guide way on the concatenation piece.
Furthermore, a through groove penetrates through the upper surface of the arm rod, a groove is formed in the surface of one side of the through groove and located above the screw, a rotating block is arranged in the groove after one end of the screw penetrates through the arm rod, one side of the rotating block protrudes into the through groove and is used for driving the screw to rotate, and the rotating block is a friction wheel, a knob, a gear or a turbine.
Furthermore, the through groove is a notch penetrating through the side face of the arm rod.
Preferably, a worm matched with the turbine is rotatably installed in the through groove, and the circumferential surface of the worm protrudes out of the through groove and is positioned on the outer side of the arm rod.
To sum up, the utility model discloses for its beneficial effect of prior art is:
the utility model discloses simple structure pegs graft the hexagonal prism in screw head hexagonal recess, through the rotatory screw rod of staff, makes the rotatory drive of screw rod splice the piece and is removed to the outside by hexagonal prism center, makes splice the piece and pushes up and hold screw head hexagonal recess, realizes adapting to the regulation of different specification hexagon socket head cap screws, and rethread hand drives the armed lever and rotates, realizes the installation of hexagon socket head cap screw and dismantles.
Drawings
Fig. 1 is a perspective view of an internal hexagonal wrench according to an embodiment of the present invention;
fig. 2 is a schematic structural sectional view of an allen wrench according to an embodiment of the present invention.
Detailed Description
The invention will be further described with reference to the following description and embodiments in conjunction with the accompanying drawings:
as shown in fig. 1 to 2, the embodiment of the present invention preferably provides an allen key, which comprises an arm 1, a hexagonal cylinder 2 for inserting an allen screw head, and an adjusting mechanism 5;
the hexagonal cylinder 2 is formed by splicing six splicing blocks 3;
adjusting mechanism 3 has rotatory screw rod 4 of installing on armed lever 1 at least, and move to the outside by hexagonal cylinder 2 centers through 4 rotary drive splice blocks of screw rod 3, make splice block 3 tops hold screw head hexagonal groove side, peg graft the hexagonal cylinder in screw head hexagonal groove, through the rotatory screw rod of staff, make screw rod rotary drive splice block move to the outside by hexagonal cylinder center, make splice block top hold screw head hexagonal groove, realize adapting to the regulation of different specification hexagon socket head screws, rethread hand drives the armed lever and rotates, realize the installation of hexagon socket head screw and dismantle.
A threaded sleeve 41 is sleeved on the screw rod 4 in a threaded matching manner, a connecting rod 42 is hinged on the circumferential surface of the threaded sleeve 41 corresponding to the splicing block 3, one end of the arm lever 1 is provided with a connecting plate 43, one side of the connecting plate 43 is positioned below the screw rod 4 and is provided with a fixing plate 44, six guide grooves 45 are uniformly distributed on the lower surface of the fixing plate 44 in a penetrating manner by taking the central line of the hexagonal cylinder 2 as the axis, the splicing blocks 3 are movably arranged in the guide groove 45, the upper ends of the splicing blocks 3 penetrate through the guide groove 45 to be hinged with the connecting rod 42, the upper ends of the connecting rods are hinged with the threaded sleeves, the lower ends of the connecting rods are hinged with the splicing blocks, when the screw rod rotates, the screw sleeve moves downwards along the rotation of the screw rod due to the cooperation of the transverse limit and the thread, therefore, the splicing blocks move along the guide grooves through the connecting rods, the splicing blocks push against the side faces of the hexagonal grooves of the screw heads, and the pushing and driving are adjusted according to the inner hexagonal screws with different specifications.
The upper surface of the arm lever 1 is provided with a through groove 31 in a penetrating manner, a groove 32 is formed in the position, above the screw rod 4, of the surface of one side of the through groove 31, one end of the screw rod 4 penetrates through the arm lever 1 and is arranged in the groove 32, a rotating block 33 is arranged in the groove 31 in a protruding manner, one side of the rotating block 33 is used for driving the screw rod 4 to rotate, and the rotating block 33 is a friction wheel, a knob, a gear or a turbine.
The through groove 31 is a notch penetrating through the side face of the arm rod 1, so that a user can conveniently pass through the notch by fingers to directly drive the rotating block to rotate and drive the screw rod to rotate.
The worm 34 matched with the worm wheel is rotatably arranged in the through groove 31, the circumferential surface of the worm 34 protrudes out of the through groove 31 and is positioned on the outer side of the arm rod 1, a user can conveniently rotate the worm on the outer side of the arm rod directly to rotate the worm wheel, so that the worm wheel is driven to rotate, and the use and the driving are more convenient.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, and it should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only illustrative of the principles of the present invention, and the present invention can be modified in various ways without departing from the spirit and scope of the present invention, and these modifications and changes fall into the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. An internal hexagonal wrench is characterized in that: comprises an arm rod, a hexagonal cylinder for inserting a hexagon socket head cap screw and an adjusting mechanism;
the hexagonal cylinder is formed by splicing six splicing blocks;
the adjusting mechanism is at least provided with a screw rod which is rotatably arranged on the arm rod, and the splicing blocks are rotationally driven by the screw rod to move outwards from the center of the hexagonal cylinder, so that the splicing blocks push against the side surface of the hexagonal groove of the screw head.
2. An allen wrench as claimed in claim 1, wherein: the thread fit cover is equipped with the swivel nut on the screw rod, the swivel nut periphery corresponds that the concatenation piece articulates there is the connecting rod, arm pole one end is equipped with the connecting plate, connecting plate one side is located the screw rod below and is equipped with the fixed plate, six guide ways have been run through as the rotatory equipartition of axis to the hexagonal cylinder central line in the fixed plate lower surface, the activity of concatenation piece sets up in the guide way, it is articulated mutually with the connecting rod to pass the guide way on the concatenation piece.
3. An allen wrench as claimed in claim 2, wherein: the arm rod upper surface runs through there is logical groove, it is equipped with the recess to lead to groove one side surface and lie in the screw rod top, screw rod one end is passed the arm rod and is located the recess and is equipped with rotatory piece, rotatory piece one side is outstanding to leading to the inslot for the drive screw rotates, rotatory piece is friction pulley, knob, gear or turbine.
4. A socket head wrench as claimed in claim 3, wherein: the through groove is a notch penetrating through the side face of the arm rod.
5. A socket head wrench as claimed in claim 3, wherein: and a worm matched with the turbine is rotatably arranged in the through groove, and the circumferential surface of the worm protrudes out of the through groove and is positioned on the outer side of the arm rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921116149.0U CN210414326U (en) | 2019-07-16 | 2019-07-16 | Internal hexagonal wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921116149.0U CN210414326U (en) | 2019-07-16 | 2019-07-16 | Internal hexagonal wrench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210414326U true CN210414326U (en) | 2020-04-28 |
Family
ID=70381126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921116149.0U Active CN210414326U (en) | 2019-07-16 | 2019-07-16 | Internal hexagonal wrench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210414326U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114131561A (en) * | 2022-01-23 | 2022-03-04 | 白德健 | Two-way dismouting device of construction machinery allen key |
| CN114179015A (en) * | 2022-01-18 | 2022-03-15 | 中国安能集团第二工程局有限公司 | Special inner hexagonal wrench for photovoltaic module middle pressure block |
-
2019
- 2019-07-16 CN CN201921116149.0U patent/CN210414326U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114179015A (en) * | 2022-01-18 | 2022-03-15 | 中国安能集团第二工程局有限公司 | Special inner hexagonal wrench for photovoltaic module middle pressure block |
| CN114131561A (en) * | 2022-01-23 | 2022-03-04 | 白德健 | Two-way dismouting device of construction machinery allen key |
| CN114131561B (en) * | 2022-01-23 | 2024-01-12 | 中铁东北投资发展有限公司 | Bidirectional dismounting device for inner hexagon screw of construction machinery |
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