TWM555421U - Anti-rotation washer and anti-rotation bolt set - Google Patents

Abstract

The present invention discloses an anti-rotation and anti-rotation bolt set. The anti-transfer has a body plate. The main body plate is provided with a perforation in the center and an abutting plane on the side, and the body plate is provided with a stop wall, and the perforation is provided for one. The non-circular head bolt is pierced, the retaining wall can block the rotation of the non-circular head bolt, and the abutting plane can abut against one of the outer planes to limit the rotation of the anti-rotation washer; the anti-rotation bolt set includes a non-spherical head bolt The non-circular head bolt includes a head having a driving surface, and the stopping wall of the anti-rotation washer is close to the driving surface to block the rotation of the bolt relative to the anti-rotation The nut is provided with a screw hole for screw coupling.

Description

Anti-rotation and anti-rotation bolt set

This creation is about a kind of washer, especially an anti-rotation washer that prevents the bolt from rotating, and an anti-rotation bolt set that prevents the bolt from rotating.

The washer used for the bolt is also called a gasket, which can increase the contact area between the bolt head or the nut and the mounted workpiece. The spacer is used to protect the surface of the workpiece from being scratched by the bolt head or the nut, and the dispersing bolt is attached to the workpiece. The pressure can reduce the detachment caused by vibration and avoid damage to the installation workpiece.

The conventional washer is round. When the nut is tightened, the torque is greater than the friction between the bolt head and the washer, or when the friction between the washer and the surface of the workpiece is greater than that, the slip will occur and the bolt will be The nut rotates together and cannot be further locked. When the nut is locked, the bolt must be clamped at the same time to make it unable to rotate to lock the nut, which is very time consuming. When the structure of the device cannot extend the tool into the clamping bolt. , the nut cannot be locked.

In view of this, it is necessary to provide an improvement of the washer or bolt set to solve the problems of the conventional technology.

In order to solve the above problems of the prior art, one of the purposes of the present invention is to provide an anti-rotation switch that can limit the rotation of the non-circular head bolt when combined with a non-spherical head bolt, and can also limit the rotation of the anti-rotation.

Another object of the present invention is to provide an anti-rotation bolt set, which comprises a non-circular head bolt, an anti-rotation washer and a nut. When the nut is coupled with the bolt, the non-circular head bolt can be prevented from being relatively prevented. The rotation of the Huashi Division can also limit the rotation of the anti-turning Huashi.

In order to achieve the above object, the present invention provides an anti-rotation waffle having a body plate having a through hole in the center and at least one abutting plane on the side, the body plate protruding at least one stop Retaining wall, the perforation is provided for a non-circular head bolt, the at least one retaining wall can block the rotation of the non-circular head bolt, and the at least one abutting plane can be fixed to the outer plane to limit the anti-rotation washer Turn.

In another embodiment, the present invention provides an anti-rotation bolt set, comprising: a non-spherical head bolt, comprising a head and a screw, the head having at least one driving surface; an anti-rotation washer, the anti-rotation The main body of the main body plate has a perforation and a side surface provided with an abutting plane, and the main body plate protrudes from a retaining wall for the screw of the non-circular head bolt, the retaining wall Adjacent to the driving surface, the non-circular head bolt is prevented from rotating relative to the anti-rotation washer, the abutting plane can be fixed to the outer plane to limit the rotation of the anti-rotation washer; and a nut having a screw hole for the screw The screw is combined.

In some embodiments of the present creation, the body panel can be square.

In some embodiments of the present invention, the body plate may be an annular sheet body bent with one side forming the abutting plane and the retaining wall.

In some embodiments of the present invention, the body plate may further form a plane on the annular sheet to form an abutting plane.

In some embodiments of the present invention, the retaining wall is stamped and bent from the body plate.

In some embodiments of the present invention, two of the retaining walls are respectively disposed on two sides of the through hole, and the non-circular head bolt is one of a hexagonal head bolt or a square head bolt, and the head card of the non-circular head bolt It cannot be rotated between the two retaining walls.

The description of possible implementations of the present invention is not intended to limit the scope of the present invention. Although the specification contains many details, these descriptions should not be construed as limiting the scope of the present invention or the claimed The limits of the scope. Certain features that are described in this specification in the context of some individual embodiments can also be implemented in combination in other embodiments. Conversely, various features that are described in the context of a single or multiple embodiments can be implemented in other single embodiments separately or in any suitable sub-combination.

In order to make the above and other objects, features and advantages of the present invention more comprehensible, the preferred embodiments of the present invention will be described in detail below. Furthermore, the directional terms mentioned in this creation, such as upper, lower, top, bottom, front, back, left, right, inner, outer, side, surrounding, central, vertical, longitudinal, axial, radial, etc. Reference is made only to the orientation of the additional drawings, and the directions used are used to illustrate and understand the creation, and are not intended to limit the creation.

1 to FIG. 3, FIG. 1 is an exploded perspective view of the first embodiment of the anti-rotation and anti-rotation bolt set of the present invention, FIG. 2 is a combination top view of the first embodiment, and FIG. 3 is a combination of the first embodiment. The embodiment of the present invention discloses an anti-rotation washer 10 having a body plate 11 having a through hole 12 at the center and at least one abutting surface 13 at the side, the body plate 11 At least one retaining wall 14 is protruded, and the through hole 12 is provided for a non-circular head bolt 20, and the at least one retaining wall 14 can block the rotation of the non-circular head bolt 20, and the at least one abutting plane 13 can be attached. One of the outer planes 42 is used to limit the rotation of the anti-rotation washer 10.

The body plate 11 of the anti-transfer 10 is preferably made of a metal material. If it is made of a metal material, it can have a large strength, and can be used for a steel structure or equipment; The through hole 12 is provided for a mating non-circular head bolt 20; in the embodiment, the non-circular head bolt 20 is a standard part, preferably one of a hexagonal head bolt or a square head bolt. The utility model comprises a head 21 and a screw 22. The head 21 is provided with a plurality of driving surfaces 23 on the side thereof. If the head 21 is a hexagon head bolt head as shown, it has six driving surfaces 23; 21 If it is a bolt head of a lag bolt, it has four drive faces 23, and so on.

In the embodiment, the main body plate 11 has a square shape, so that the side surface of the main body plate 11 has four abutting planes 13. Referring to FIG. 2 and FIG. 3, one of the abutting planes 13 can be selected to abut against one of the outer workpieces. 40 one plane 42 , the screw 22 of the non-spherical head bolt 20 passes through the perforation 12 of the anti-rotation washer 10 and then passes through a set of holes 41 of the workpiece 40, and the anti-rotation washer 10 is subjected to the non-circular head bolt 20 The restriction cannot be displaced while the abutment plane 13 is limited by the plane 42 of the workpiece 40 and therefore cannot be rotated.

In the embodiment, the main body plate 11 is provided with two retaining walls 14 . The two retaining walls 14 are preferably, but not limited to, integrally formed on the main body plate 11 by metal extrusion. The two retaining walls 14 are symmetrically disposed on the main body plate 14 . On both sides of the through hole 12, the head 21 of the non-circular head bolt 20 is locked between the two retaining walls 14 and cannot be rotated, so when the screw hole 31 of a nut 30 is used from bottom to top (as shown in FIG. 3) When the screw 22 is screwed, the retaining wall 14 can block the rotation of the non-circular head bolt 20, and the at least one abutting plane 13 abuts against the outer plane 42 to limit the rotation of the anti-rotation washer 10, so that The torque driven by the technical command is directly applied to drive the nut 30 for the purpose of locking, and the head 21 of the non-circular head bolt 20 is not required to be clamped by a tool, and the construction efficiency can be improved.

In summary, the implementation of the present invention includes an anti-rotation bolt set including an anti-rotation washer 10, a non-circular head bolt 20 and a nut 30, and the anti-rotation washer 10 has a body plate 11 having a through hole 12 at the center and at least one abutting surface 13 at the side, the body plate protruding at least one retaining wall 14, the non-circular head bolt 20 including a head 21 and a screw 22 having at least one driving surface 23; the through hole 12 is bored by the screw 22 of the non-circular head bolt 20, and the stopping wall 14 is adjacent to the driving surface 23 to block the non-circular head bolt 20 from The anti-rotation washer 10 rotates, and the abutting plane 13 can restrict the rotation of the anti-rotation washer 10 against a plane of the outer portion; and the nut 30 is provided with a screw hole 31 for the screw 22 to be coupled. The abutting plane 13 can abut one of the outer planes, and the plane can be a plane of one of the outer workpieces, or can be an abutting plane 13 of the anti-rotational lining 10 disposed adjacently.

4 and FIG. 5, FIG. 4 is an exploded perspective view of the second embodiment of the anti-rotation and anti-rotation bolt set of the present invention, and FIG. 5 is a cross-sectional view of the second embodiment. The embodiment discloses an anti-rotation 50. The anti-rotation 50 has a body plate 51. The main body plate 51 is provided with a through hole 52 at the center and at least one abutting surface 53. The body plate 51 protrudes from at least one stop wall 54. A non-circular head bolt 20 is provided, the at least one stop 54 can block the rotation of the non-circular head bolt 20, and the at least one abutting plane 53 can abut against the outer plane 42 to limit the anti-rotation washer 50 turns.

The body plate 51 of the anti-rotation 50 is preferably made of a metal material. In this embodiment, the anti-rotation 50 is mostly constructed in the same manner as the first embodiment, except that the second is The retaining wall 54 is preferably but not limited to being integrally formed on the body plate 51 by metal stamping. The two retaining walls 54 are symmetrically disposed on opposite sides of the through hole 52. The head 21 of the non-circular head bolt 20 is engaged with the two stops. The wall 54 cannot be rotated between the walls 54, so that when the screw hole 31 of a nut 30 is screwed from the bottom to the top (as shown in FIG. 5) in combination with the screw 22, the retaining wall 54 can block the non-circular head bolt. 20 rotating, the at least one abutting plane 53 abuts against the outer plane 42 to limit the rotation of the anti-rotation washer 50, so that the torque commanded by the technical command can be directly applied to drive the nut 30 for locking purposes without In addition, the head 21 of the non-spherical head bolt 20 is clamped by a tool, and the construction efficiency can also be improved.

6 is a schematic view of the assembly of the first embodiment of the anti-rotation and anti-rotation bolt set; in the present embodiment, the workpiece 40 has a plurality of adjacent assembly holes 41, for example, in a steel structure or equipment. It can be seen that the joints of different steels are fixed by a rectangular array of bolts, and are arranged side by side by a plurality of anti-rotation washers 10, which are adjacent to each other by adjacent abutting planes 13, and several non-circular circles The screw 22 of the head bolt 20 passes through the perforation 12 of the anti-rotation washer 10 and then passes through a set of holes 41 of the workpiece 40. The anti-rotation washer 10 is restricted by the non-circular head bolt 20 and cannot be displaced, and the adjacent arrival When the planes 13 are mutually restrained, the anti-rotation washer 10 cannot be rotated, and when the plurality of nuts 30 are screwed from the bottom to the top by a plurality of screws 22, the retaining wall 14 can block the rotation of the non-circular head bolts 20, The appropriate torque can be directly applied to drive the nut 30 for locking purposes without the need to additionally clamp the head 21 of the non-circular head bolt 20 with a tool. When a large number of bolts need to be locked, construction Efficiency can be greatly improved.

Referring to FIG. 7, an exploded perspective view of a third embodiment of the anti-rotation and anti-rotation bolt set is provided. This embodiment discloses an anti-rotation washer 60 having a body plate 61. The center of the 61 is provided with a through hole 62 and at least one abutting surface 63. The main body plate 61 protrudes from at least one retaining wall 64. The through hole 62 can be provided by a non-circular head bolt 20, which is at least one stop. The retaining wall 64 can block the rotation of the non-circular head bolt 20, and the at least one abutting plane 63 can abut against one of the outer planes to limit the rotation of the anti-rotation washer 60. Compared with the previous embodiment, the main difference of the embodiment is that the anti-rotation 60 is processed by an annular piece. Preferably, the body plate 61 of the anti-rotation 60 is annular. One side of the sheet is bent to form the abutting plane 63 and the retaining wall 64. When the screw hole 31 of the nut 30 is screwed in conjunction with the screw 22, the retaining wall 64 can block the rotation of the non-circular head bolt 20, and the abutting plane 63 can be connected to one of the outer planes or adjacent to the anti-turning The abutment plane 63 of the secretary 60 abuts to limit the rotation of the anti-rotation washer 60, so that the appropriate torque can be directly applied to drive the nut 30 for locking purposes.

8 is an exploded perspective view of a fourth embodiment of the anti-rotation and anti-rotation bolt set of the present invention; this embodiment discloses an anti-rotation washer 70 having a body plate 71, the body plate The center of the 71 is provided with a through hole 72 and at least one abutting surface 73. The body plate 71 protrudes from at least one stopping wall 74. The through hole 72 can be provided for a non-circular head bolt 20, which is at least one stop. The retaining wall 74 can block the rotation of the non-spherical head bolt 20, and the at least one abutting plane 73 can abut against one of the outer planes to restrict the rotation of the anti-rotation washer 70. Compared with the previous embodiment, the main difference of the embodiment is that the anti-rotation 70 manufactured by the annular sheet body forms the abutting plane 63 and the stop on one side of the body plate 71. After the wall 64, a plane is formed at other positions of the main body plate 71 to form an increased abutting plane 73. When the nut 30 is screwed in conjunction with the screw 22, the retaining wall 74 can block the non-circular head bolt 20 Rotating, a more selective abutment plane 73 may alternatively abut the outer plane or the abutment plane 73 of the adjacent anti-rotation washer 70 to limit the rotation of the anti-rotation washer 70, and may directly apply appropriate Torque drives the nut 30 for locking purposes.

9 is an exploded perspective view of a fifth embodiment of the anti-rotation and anti-rotation bolt set of the present invention; this embodiment discloses an anti-rotation 80, which has a body plate 81, the body plate The center of the 81 is provided with a through hole 82 and at least one abutting surface 83. The body plate 81 protrudes from at least one stop wall 84. The through hole 82 can be provided for a non-circular head bolt 20, which is at least one stop. The retaining wall 84 can block the rotation of the non-spherical head bolt 20, and the at least one abutting plane 83 can abut against one of the outer planes to limit the rotation of the anti-rotation washer 80. In the embodiment, the anti-rotation 80 is made of a single metal plate, and the length and width of the main plate 81 can be changed according to the relevant construction size, and the main plate 81 is punched by a punch. The retaining wall 84 is folded out, and the through hole 82 is formed. The through hole 82 may be a perfect circle or a polygonal shape as shown. The retaining wall 84 preferably has two symmetrically disposed on opposite sides of the through hole 82. The distance between the retaining walls 84 is slightly greater than the width of the head 21 of the non-pollinated head bolt 20. For example, if the non-circular head bolt 20 is a standard metric M8 bolt, the head 21 width (refers to two opposing drives) The distance between the faces 23 is about 13 mm, and the distance between the two retaining walls 84 is about 13.2 mm to 13.5 mm. When the nut 30 is screwed in conjunction with the screw 22, the retaining wall 84 can block the non-stop. The round head bolt 20 rotates, and the abutting plane 83 can alternatively abut the outer plane or the abutting plane 83 of the adjacent anti-rotation washer 80 to limit the rotation of the anti-rotation 80, so that it is not necessary to go The head 21 is clamped and the non-circular head bolt 20 is not rotated, and the nut 30 can be directly driven. Tight ends.

10‧‧‧Protection to China

11‧‧‧ body board

12‧‧‧Perforation

13‧‧‧Abutment plane

14‧‧‧stop wall

20‧‧‧Non-round head bolts

21‧‧‧ head

22‧‧‧ screw

23‧‧‧Drive surface

30‧‧‧ Nuts

31‧‧‧ screw holes

40‧‧‧Workpiece

41‧‧‧ matching holes

42‧‧‧ plane

50‧‧‧Protection to China

51‧‧‧ body board

52‧‧‧Perforation

53‧‧‧Abutment plane

54‧‧‧stop wall

60‧‧‧Protection to China

61‧‧‧ body board

62‧‧‧Perforation

63‧‧‧Abutment plane

64‧‧‧stop wall

70‧‧‧Protection to China

71‧‧‧ body board

72‧‧‧Perforation

73‧‧‧Abutment plane

74‧‧‧stop wall

80‧‧‧Protection to China

81‧‧‧ body board

82‧‧‧Perforation

83‧‧‧Abutment plane

84‧‧‧stop wall

1 is an exploded perspective view of the first embodiment of the anti-rotation and anti-rotation bolt set of the present invention; FIG. 2 is a combination view of the first embodiment of the anti-rotation and anti-rotation bolt set of the present invention; FIG. 4 is an exploded perspective view of the second embodiment of the anti-rotation and anti-rotation bolt set; FIG. 5 is an exploded perspective view of the second embodiment of the anti-rotation and anti-rotation bolt set; FIG. 6 is a schematic view showing the assembly of the first embodiment of the anti-rotation and anti-rotation bolt set of the present invention; FIG. 7 is the third embodiment of the anti-rotation and anti-rotation bolt set of the present invention. FIG. 8 is an exploded perspective view of the fourth embodiment of the anti-rotation and anti-rotation bolt set of the present invention; FIG. 9 is an exploded perspective view of the fifth embodiment of the anti-rotation and anti-rotation bolt set of the present invention.

10‧‧‧Protection to China

11‧‧‧ body board

12‧‧‧Perforation

13‧‧‧Abutment plane

14‧‧‧stop wall

20‧‧‧Non-round head bolts

21‧‧‧ head

22‧‧‧ screw

23‧‧‧Drive surface

30‧‧‧ Nuts

31‧‧‧ screw holes

Claims (11)

The anti-rotation slab has a body plate, the main body plate is provided with a perforation in the center and at least one abutting plane on the side, the body plate is provided with at least one stop wall, and the perforation is provided for The non-spherical head bolt is pierced, and the at least one retaining wall can block the rotation of the non-spherical head bolt, and the at least one abutting plane can restrain the rotation of the anti-rotation washer against a plane of the outer surface. The anti-transfer system as claimed in claim 1, wherein the body plate is square, and the four sides thereof respectively form the abutting plane. The anti-transfer system as claimed in claim 1, wherein the main body plate is an annular sheet body, wherein at least one side forms the abutting plane and the retaining wall. The anti-rotation device according to claim 3, wherein the body plate is cut into a plane on the annular sheet to form an abutting plane. The anti-transfer system of any one of claims 1 to 4, wherein the retaining wall is stamped and bent from the body plate. The anti-transfer system according to any one of claims 1 to 4, wherein two of the retaining walls are respectively disposed on two sides of the perforation, and the non-circular head bolt is one of a hexagonal head bolt or a square head bolt. The head of the non-spherical head bolt is caught between the two retaining walls and cannot be rotated. An anti-rotation bolt set comprising: a non-spherical head bolt, comprising a head and a screw, the head having at least one driving surface; and an anti-turning washer, the anti-turning washer has a body plate, the body a central end of the plate is provided with a perforation and a side edge is provided with at least one abutting plane, and the main body plate protrudes from at least one retaining wall, the perforation is provided for the screw of the non-circular head bolt, and the retaining wall is adjacent to the driving surface to block the non-circle The positive round head bolt rotates relative to the anti-rotation washer, and the abutting plane can be pressed against one of the outer planes to limit the rotation of the anti-rotation washer; and A nut having a screw hole for the screw to be coupled. The anti-rotation bolt set of claim 7, wherein the body plate of the anti-rotation washer is square, and the four sides thereof respectively form the abutting plane. The anti-rotation bolt set according to claim 7, wherein the body plate of the anti-rotation wrap is an annular sheet body bent at least one side of which forms the abutting plane and the retaining wall. The anti-rotation bolt set according to any one of claims 7 to 9, wherein the retaining wall of the anti-rotation washer is formed by stamping and bending the main body plate. The anti-rotation bolt set according to any one of claims 7 to 9, wherein the retaining wall has two sides respectively disposed on the two sides of the perforation, and the non-circular head bolt is one of a hexagonal head bolt or a square head bolt. The head of the non-spherical head bolt is caught between the two retaining walls and cannot be rotated.