CN218313231U - Tightening device for hexagon nut - Google Patents
Tightening device for hexagon nut Download PDFInfo
- Publication number
- CN218313231U CN218313231U CN202222282677.1U CN202222282677U CN218313231U CN 218313231 U CN218313231 U CN 218313231U CN 202222282677 U CN202222282677 U CN 202222282677U CN 218313231 U CN218313231 U CN 218313231U
- Authority
- CN
- China
- Prior art keywords
- torque transmission
- force application
- tightening device
- hole
- hexagonal nut
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses a screw up device for hexagon nut belongs to nut fastening technical field. The device comprises: a torque transmission part, which is provided with a connecting hole along the center of one end surface and is provided with a fixing hole around the connecting hole; the force application part is connected to the other end face of the torque transmission part and is coaxially arranged with the torque transmission part; the force application part is provided with a matching surface along the center of the end surface of the force application part, and N tooth-shaped bulges are formed on the matching surface, wherein N is more than 7 and less than 15 and is a natural number. After the clamp is arranged on the bolt tightening machine, the nuts on the opposite sides of the hexagon can be effectively and efficiently tightened. The operation is convenient, the service life is long, and the stability of the screwing process is high.
Description
Technical Field
The utility model belongs to the technical field of the nut fastening, more specifically say, relate to a screw up device for hexagon nut.
Background
In commercial car part connects, there is the hexagonal bolt fastening position of many positions, and the hexagonal bolt adopts the spanner to accomplish usually and screws up, with the spanner operation, work efficiency is low, and can not satisfy the needs that the hexagonal bolt was screwed up. With the development of science and technology, opening wrenches, pneumatic wrenches, torque wrenches and other tightening tools mainly suitable for tightening standard parts appear, bolt tightening machines are also appeared, and a tightening sleeve is matched with the bolt tightening machines, but when the bolt tightening machines are tightened, the shaking clearance is too large, and the bolt tightening machines have the risk of shaking continuously along with tightening heads and even breaking down; further, there is a problem that manual alignment is required and the angle is large.
Documents of the prior art
Patent document 1: chinese patent with publication number CN 2052323U;
patent document 2: chinese patent No. CN 102049746A;
patent document 3: chinese patent No. CN 104858822A.
Disclosure of Invention
1. Problems to be solved
To foretell technical problem, the utility model provides a screw up device for hexagon nut realizes the tightening to hexagon opposite side nut.
2. Technical scheme
In order to solve the above problem, the utility model discloses the technical scheme who adopts as follows:
the utility model discloses a screw up device for hexagon nut, include:
a torque transmission part, which is provided with a connecting hole along the center of one end surface and is provided with a fixing hole around the connecting hole;
the force application part is connected to the other end face of the torque transmission part and is coaxially arranged with the torque transmission part; the force application part is provided with a matching surface along the center of the end surface of the force application part, and N tooth-shaped bulges are formed on the matching surface, wherein N is more than 7 and less than 15 and is a natural number.
In a possible embodiment of the present invention, the torque transmission portion and the force application portion are both cylindrical, and the diameter of the force application portion is larger than that of the torque transmission portion.
In a possible embodiment of the present invention, the connecting hole is a square hole, and a fixing circular hole is disposed on any side of the square hole.
In a possible embodiment of the present invention, the four corners of the square hole are formed with rounded corner structures.
In a possible embodiment of the present invention, the torque transmission portion includes a shaft neck, a groove is formed on the shaft neck along a circumferential direction, and the fixing circular hole is located in the groove.
In one possible embodiment of the present invention, the number of the tooth-shaped protrusions is 12.
In a possible embodiment of the present invention, the height of the tooth-shaped protrusion is 5.55mm.
In a possible embodiment of the present invention, the fillet radius of the fillet structure is 2.2mm.
In a possible embodiment of the present invention, the cross-section of the groove is an arc surface, and the radius of the arc is 3.1mm.
In a possible embodiment of the present invention, the depth of the connecting hole is equal to the length of the force application portion.
3. Advantageous effects
Compared with the prior art, the beneficial effects of the utility model are that:
(1) The utility model discloses a screw up device for hexagon nut, after the clamp is loaded on the bolt tightening machine, can be effective, the high-efficient pair of side nut of hexagonal screw up; the operation is convenient and fast, the service life is long, and the stability in the screwing process is high;
(2) The utility model discloses a screw up device for hexagon nut, the square hole of connection can increase the area of contact with the turn round, reduces wearing and tearing, improves life;
(3) The utility model discloses a screw up device for hexagon nut, the connecting hole adopts fillet transition design, is favorable to improving holistic clamping convenience, promotes whole operating efficiency, reduces wearing and tearing;
(4) The utility model discloses a screw up device for hexagon nut, simple structure easily makes.
Drawings
Fig. 1 is a schematic perspective view of a tightening device for a hexagon nut according to the present invention;
fig. 2 is a side view of the tightening device for a hexagonal nut according to the present invention;
fig. 3 is a front view of the tightening device for a hexagonal nut according to the present invention;
fig. 4 is a rear view of the tightening device for the hexagonal nut according to the present invention;
fig. 5 is a use state diagram of the tightening device for the hexagon nut of the present invention.
Description of reference numerals:
10. a torque transmission section; 11. a journal; 12. a groove; 13. connecting holes; 14. a fixing hole; 15. round corners;
20. a force application part; 21. a mating surface; 22. the tooth-shaped bulge.
Detailed Description
Exemplary embodiments of the present invention are described in detail below. Although these exemplary embodiments are described in sufficient detail to enable those skilled in the art to practice the invention, it should be understood that other embodiments may be realized and that various changes to the invention may be made without departing from the spirit and scope of the present invention. The following more detailed description of the embodiments of the present invention is not intended to limit the scope of the invention, as claimed, but is presented for purposes of illustration only and not limitation to provide the best mode contemplated for carrying out the invention and to enable any person skilled in the art to practice the invention. Accordingly, the scope of the invention is to be limited only by the following claims.
The following is a description of detailed descriptions and example embodiments of the present invention.
During a plurality of part connections of commercial car, all need the hex bolts fastening, for example the wheel hub subassembly, it includes wheel hub body, brake disc and hex bolts, and the brake disc welds with wheel hub body cup joints the back, sets up the through-hole on the wheel hub body, and the hex bolts passes the through-hole and fixes the wheel hub body on the automobile body. In addition, a plurality of other parts need to use the hexagon bolts, and the hexagon bolts are matched with the hexagon nuts.
In the prior art, the hexagon nut can be fastened by a wrench, but the fastening requirement for special parts is high, so the hexagon nut is generally fastened by a bolt tightening machine, and a rotary head of the bolt tightening machine is connected with a tightening device.
As shown in fig. 1 to 5, the tightening device for a hexagon nut of the present embodiment (manufactured using a high-chromium tool steel material) includes: a torque transmission part 10 having a connection hole 13 formed along the center of one end surface thereof, and a fixing hole 14 formed around the connection hole 13; the torque transmission part 10 is connected with a rotating head, the torque of the motor is output to a hexagon nut, the rotating head extends into the connecting air, and a pin shaft radially positions the rotating head through a fixing hole 14; an urging part 20 connected to the other end surface of the torque transmission part 10, the urging part 20 being provided coaxially with the torque transmission part 10; the force application part 20 is provided with a matching surface 21 along the center of the end surface, N tooth-shaped protrusions 22 are formed on the matching surface 21, wherein 7 < N < 15 is a natural number, the number N of the tooth-shaped protrusions 22 is preferably 12, and the tooth height of the tooth-shaped protrusions 22 is 5.55mm.
The torque transmission part 10 and the biasing part 20 are preferably cylindrical, such as cylindrical or square cylindrical, and the diameter of the biasing part 20 is larger than that of the torque transmission part 10, so that the torque transmission part 10 and the biasing part 20 can be easily machined, and the cylindrical shape can realize the maximum torque transmission through mechanical calculation.
In this embodiment, the degree of depth of connecting hole 13 equals the length of application of force portion 20, turns round promptly and transmits moment in stretching into connecting hole 13, and the shape of connecting hole 13 can be quad slit, triangle hole, trapezoidal hole etc. and preferred connecting hole 13 of being connected with turning round is the quad slit, and has seted up fixed round hole on arbitrary limit in the quad slit, and the four corners of quad slit is formed with fillet 15 structure. The radius of the fillet 15 structure is 2.2mm.
As shown in fig. 1 and 2, the torque transmission part 10 includes a shaft journal 11, a groove 12 is formed in the shaft journal 11 along a circumferential direction, a cross section of the groove 12 is an arc surface, a radius of the arc is 3.1mm, the fixing circular hole is located in the groove 12, and a cylindrical pin is disposed in the fixing circular hole.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, without departing from the technical principle of the present invention, a plurality of fastening and decoration can be made, and these improvements and decoration should also be considered as the protection scope of the present invention.
Claims (10)
1. A tightening device for a hexagonal nut, characterized by comprising:
a torque transmission part (10) which is provided with a connecting hole (13) along the center of one end surface thereof and is provided with a fixing hole (14) around the connecting hole (13);
a force application part (20) connected to the other end face of the torque transmission part (10), wherein the force application part (20) and the torque transmission part (10) are coaxially arranged; the force application part (20) is provided with a matching surface (21) along the center of the end surface of the force application part, N tooth-shaped protrusions (22) are formed on the matching surface (21), and N is more than 7 and less than 15 and is a natural number.
2. The tightening device for a hexagonal nut according to claim 1, wherein the torque transmission portion (10) and the force application portion (20) each have a cylindrical shape, and the diameter of the force application portion (20) is larger than the diameter of the torque transmission portion (10).
3. The tightening device for a hexagonal nut according to claim 2, wherein the connection hole (13) is a square hole, and a fixing circular hole is opened at either side of the square hole.
4. The tightening device for hexagonal nut according to claim 3, characterized in that the four corners of the square hole are formed with a rounded corner (15) structure.
5. Screwing device for hexagonal nuts according to claim 3, characterized in that the torque transmission part (10) comprises a journal (11), on which journal (11) a groove (12) is made in the circumferential direction, and in that the fixing circular hole is located in the groove (12).
6. The tightening device for a hexagonal nut according to claim 1, characterized in that the number of the tooth-shaped protrusions (22) is 12.
7. The tightening device for hexagonal nut according to claim 6, characterized in that the tooth height of the tooth-shaped protrusions (22) is 5.55mm.
8. Tightening device for hexagonal nuts, according to claim 4, characterized in that the fillet radius of the fillet (15) structure is 2.2mm.
9. The tightening device for a hexagonal nut according to claim 5, wherein the groove (12) has a circular arc surface in cross section, the radius of the circular arc being 3.1mm.
10. The tightening device for a hexagonal nut according to claim 3, wherein the depth of the coupling hole (13) is equal to the length of the force application portion (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222282677.1U CN218313231U (en) | 2022-08-29 | 2022-08-29 | Tightening device for hexagon nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222282677.1U CN218313231U (en) | 2022-08-29 | 2022-08-29 | Tightening device for hexagon nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218313231U true CN218313231U (en) | 2023-01-17 |
Family
ID=84885352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222282677.1U Active CN218313231U (en) | 2022-08-29 | 2022-08-29 | Tightening device for hexagon nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218313231U (en) |
-
2022
- 2022-08-29 CN CN202222282677.1U patent/CN218313231U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4771528A (en) | Wheel spindle puller | |
| US4671141A (en) | Rotary torque device | |
| WO1998027344B1 (en) | Lug nut apparatus with square drive | |
| EP1025959A2 (en) | Nutsetter | |
| TW201838776A (en) | Multi-Directional Driver Bit | |
| US5595096A (en) | English-metric wrench socket or drive | |
| JP4095911B2 (en) | Tool holding device | |
| EP1393929A3 (en) | Torque angle limiting wheelnut | |
| US3913427A (en) | Tool for removing broken threaded fasteners | |
| CN201023224Y (en) | Multifunctional fast wrench | |
| CN218313231U (en) | Tightening device for hexagon nut | |
| US5682801A (en) | Jam proof lug nut | |
| US3779106A (en) | Wheel wrench adapter | |
| CN111843896B (en) | Adjustable inner hexagonal socket wrench | |
| JP2019124355A (en) | Hybrid three-point drive fastener | |
| CN108730298B (en) | Three-point fastener | |
| JP4060586B2 (en) | Tightening tool | |
| US20020078800A1 (en) | Socket wrench extension with improved torque transmission | |
| CN210565690U (en) | Mechanical equipment is with circular nut of type of can not dismantling | |
| CN207087720U (en) | Spanner | |
| CN216707316U (en) | Special tool for fixing air bag type clutch friction plate | |
| CN217513773U (en) | Universal sleeve for pneumatic electric wrench | |
| EP1318316A3 (en) | Washer, fastener provided with a washer, and method of and power tool for fastening with the use of the washer | |
| CN211728845U (en) | Wheel hub unit locking tool | |
| CN210318103U (en) | Circular slotted nut that theftproof performance is good |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |