CN209925406U - A hexagonal flange face slotted nut that can judge the slotting position in the tightened state - Google Patents

Abstract

The utility model relates to a hexagonal flange surface slotted nut which can judge the slotting position in a tightened state, comprising a hexagonal flange surface nut body, and the hexagonal flange surface nut body comprises a flange part and an end surface disposed on the side of the flange part. The hexahedral cylinder part is coaxial with the flange part, and the center of the hexahedral cylinder part and the flange part are provided with threaded holes; One end is provided with a plurality of slots matched with the split pins, and a plurality of pointing structures respectively corresponding to the slots are arranged on the position where the hexagonal cylinder part contacts the flange part. The utility model has the advantages of quick alignment, reduced operation steps and improved work efficiency.

Description

A hexagonal flange face slotted nut which can judge the slotting position in the tightened state

Technical field:

The utility model belongs to the technical field of automobile parts, in particular to a hexagonal flange surface slotted nut which can determine the slotted position in a tightened state.

Background technique:

The function of the slotted nut is to fix the front and rear axles of the vehicle by passing through the front and rear wheel axle screws, so that the frame and the tire are fixed together. To fix the slotted nut, the pin must pass through the middle of the axle screw. Usually, both ends of the axle screw need to be drilled. When the selected axle screw is matched with the split pin and slotted nut, the slotted nut passes through the axle screw. The front wheel and the frame are fixed, and the cotter pin fastens the slotted nut through the pin hole of the axle screw, so that the slotted nut does not loosen, and the vehicle does not loosen when moving.

Patent No. 201620789176.4 is a slotted locking combination nut, and patent No. 201811560307.1 is an off-axis slotted flange nut, both of which are used to fix the front and rear axles of automobiles to prevent the vehicle from loosening during movement, but there are the following shortcomings: 1. The slotted nut is tightened and fixed by the hexagonal wrench and the axle screw during use. When the slotted nut is tightened, the slotted position is placed in the hexagonal hole of the hexagonal wrench. Therefore, workers cannot correctly judge the slotting during the tightening process. The slotting position of the nut, the slotting position and the pin hole of the axle screw are not regular, and the penetration and tightening of the cotter pin cannot be guaranteed. It needs to be tightened repeatedly, which is time-consuming and labor-intensive, and the work efficiency is low; 2. The column of the slotted nut When the end face of the body is in contact with the axle screw and the hexagonal wrench, it is easy to collide, destroying the structure of the slotted nut and seriously affecting the clamping force of the slotted nut.

Utility model content:

The purpose of the utility model is to overcome the above deficiencies, and to provide a hexagonal flange face slotted nut that can judge the slotting position in a tightened state, which can quickly align, reduce operation steps, and improve work efficiency.

The purpose of the utility model is achieved by the following technical solutions: a hexagonal flange surface slotted nut that can determine the slotting position in a tightened state, comprising a hexagonal flange surface nut body, and the hexagonal flange surface nut body includes a flange portion and a six-sided cylindrical portion placed on the side end face of the flange portion, the six-sided cylindrical portion and the flange portion are coaxially arranged, and the center of the six-sided cylindrical portion and the flange portion is provided with a communicating threaded hole;

The end of the six-sided cylinder part away from the flange part is provided with a plurality of slots matching the split pins, and a plurality of pointing structures corresponding to the slots are arranged on the position where the six-sided cylinder part contacts the flange part. .

The further improvement of the utility model is that the pointing structure is a triangular pyramid.

The further improvement of the present invention is that: the two symmetrically arranged vertices of the triangular pyramid are placed at the contact position between the hexagonal cylinder part and the flange part, and the other two symmetrically arranged vertices of the triangular pyramid are directed to the slotted symmetry centerline.

A further improvement of the present invention is that the slot is a U-shaped structure, and the opening of the slot is disposed away from the flange portion.

The further improvement of the utility model is that: the side end surface of the flange part close to the hexahedral cylinder part is an arc surface that expands outward away from the hexahedral cylinder part.

The further improvement of the utility model is that: a plurality of slots are distributed at the center positions of the six faces of the hexagonal cylinder, and the slots communicate with the threaded holes.

A further improvement of the utility model is that: the end face of the six-sided cylinder part away from the flange part has a first guide surface and a second guide surface, the first guide surface is inclined in the direction of the threaded hole, and the second guide surface is placed on the six-sided surface. The outer side of the end of the cylindrical body portion is inclined to the direction of the flange portion.

Compared with the prior art, the utility model has the following advantages:

1. The present utility model is provided with a plurality of pointing structures corresponding to the slots at the positions where the six-sided cylinder part and the flange part are in contact. The worker can determine according to the pointing structures in the process of tightening the slotted nut with a hexagonal wrench. At the slotting position, when tightening the slotted nut and the axle screw, the slotting is guaranteed to be aligned with the pin hole on the axle screw at one time, which increases the convenience of the worker's operation, reduces the operation steps, and improves the operation efficiency.

2. The pointing structure is a triangular pyramid, which is easy to set at the contact position of the flange part and the hexagonal cylinder part, with large contact area, firm connection, and not easy to fall off, and the apex of the triangular pyramid has a good pointing effect.

3. The two symmetrically arranged vertices of the triangular pyramid point to the symmetrical centerline of the slot, and the positioning is more accurate.

4. One end face of the flange part is an arc surface, the upper end of the hexagonal wrench is sleeved on the outer ring of the hexagonal cylinder part of the slotted nut, and the arc surface provides a certain avoidance space for the triangular pyramid to avoid three The larger part of the pyramid is in contact with the end face of the hex key.

5. The first guide surface and the second guide surface are set to avoid collision with each other when the axle screw is inserted into the threaded hole and the hexagonal cylinder part is inserted into the hole of the hexagonal wrench, protect the end surface structure of the slotted nut, and ensure Clamping force of the slotted nut.

Description of drawings:

FIG. 1 is a schematic structural diagram of a hexagonal flange face slotted nut that can determine the slotted position in a tightened state of the present invention.

Figure 2 is a schematic diagram of the connection between a hexagonal flange surface slotted nut and an axle screw which can determine the slotted position in a tightened state of the present invention.

Labels in the figure: 1-flange part, 2-hexahedral cylinder part, 3-threaded hole, 4-slotted, 5-triangular pyramid, 6-arc surface, 7-first guide surface, 8-th Two guide surfaces, 9-axle screw, 10-pin hole.

Detailed ways:

In order to deepen the understanding of the present utility model, the present utility model will be described in further detail below with reference to the embodiments and the accompanying drawings. The embodiments are only used to explain the present utility model and do not constitute a limitation on the protection scope of the present utility model.

Figure 1 shows an embodiment of a hexagonal flange surface slotted nut of the present invention that can determine the slotting position in a tightened state, including a hexagonal flange surface nut body, and the hexagonal flange surface nut body includes a method The flange part 1 and the hexahedral cylinder part 2 placed on the side end face of the flange part 1, the hexahedral cylinder part 2 and the flange part 1 are coaxially arranged and the centers of the hexahedral cylinder part 2 and the flange part 1 are both arranged There are connected threaded holes 3;

The end of the six-sided cylinder part 2 away from the flange part 1 is provided with a plurality of slots 4 that match the cotter pins, and the position where the six-sided cylinder part 2 is in contact with the flange part 1 is provided with a plurality of slots 4 respectively corresponding to the opening pins. 4 corresponds to the pointing structure.

In this embodiment, the pointing structure is a triangular pyramid 5, which is convenient to be arranged at the contact position of the flange part 1 and the hexagonal cylinder part 2, with a large contact area, firm connection, and not easy to fall off. Vertices have better pointing effect.

In this embodiment, the two symmetrically arranged vertices of the triangular pyramid 5 are placed at the contact position between the hexagonal cylinder part 2 and the flange part 1 , and the other two symmetrically arranged vertices of the triangular pyramid 5 are directed to the slot. The symmetrical center line of 4 can achieve precise alignment. The triangular pyramid 5 can be fixed by welding. One end surface of the triangular pyramid 5 is attached to the flange part 1, and the bottom surface of the triangular pyramid 5 is attached to the hexagonal cylinder part 2. together, the connection is firmer.

In this embodiment, the slot 4 has a U-shaped structure, and the opening of the slot 4 is disposed away from the flange portion 1 .

In this embodiment, the side end surface of the flange portion 1 close to the hexagonal cylindrical portion 2 is a circular arc surface 6 that expands outward away from the hexagonal cylindrical portion 2, and the upper end of the hexagonal wrench is sleeved on the hexagonal column of the slotted nut. The outer ring of the body 2 and the arc surface 6 provide a certain space for the triangular pyramid 5 to avoid contact with the end face of the hexagonal wrench by the larger part of the triangular pyramid 5 .

In this embodiment, the plurality of slots 4 are distributed at the center positions of the six surfaces of the hexahedral cylinder portion 2 , and the slots 4 communicate with the threaded holes 3 .

In this embodiment, the end surface of the six-sided cylindrical body part 2 away from the flange part 1 has a first guide surface 7 and a second guide surface 8. The first guide surface 7 is inclined in the direction of the threaded hole 3, and the second guide surface The surface 8 is placed on the outer side of the end of the hexagonal cylinder part 2 and is inclined in the direction of the flange part 1. The first guide surface 7 and the second guide surface 8 are provided in the threaded hole 3 of the axle screw 9 and the hexagonal cylinder part. 2 When penetrating the hole of the hexagon wrench, avoid collision with each other, protect the end face structure of the slotted nut, and ensure the clamping force of the slotted nut.

Working principle: As shown in Figure 2, a mark is made in the center of the pin hole 10 on the axle screw 9, which is consistent with the extension direction of the axle screw 9. The worker sets the slotted nut on one end of the axle screw 9, The hexagonal wrench is sleeved on the outside of the hexagonal cylinder portion 2 of the slotted nut, and is tightened, and the pin hole 10 on the tightened axle screw 9 is placed in the slotted nut. When the two are in a straight line, the pin hole 10 corresponds to the slot 4 of the slotted nut. At this time, remove the hexagonal wrench and insert the cotter pin into the slot 4 to the pin hole 10 to realize Fixing of the slotted nut and the axle screw 9. The utility model is provided with a plurality of pointing structures corresponding to the grooves at the positions where the hexagonal cylinder part and the flange part are in contact. When the worker tightens the grooved nut with a hexagonal wrench, the grooves can be judged according to the pointing structures. When tightening the slotted nut and the axle screw, ensure that the slot is aligned with the pin hole on the axle screw at one time, which increases the convenience of the worker, reduces the operation steps, and improves the operation efficiency.

The contents not all disclosed in the present invention belong to the common knowledge known to those skilled in the art.

It should be understood by those skilled in the art that the present invention is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention There will also be various changes and improvements in the new model, which all fall within the scope of the claimed invention. The claimed scope of the present invention is defined by the appended claims and their equivalents.

Claims (7)

1. A hexagonal flange face slotted nut that can judge the slotting position under the tightened state, is characterized in that: comprises a hexagonal flange face nut body, and the hexagonal flange face nut body comprises a flange portion and a method of placing a six-sided cylindrical body part on the side end face of the blue part, the six-sided cylindrical body part and the flange part are coaxially arranged, and the center of the six-sided cylindrical body part and the flange part is provided with a communicating threaded hole; The end of the six-sided cylinder part away from the flange part is provided with a plurality of slots that match the cotter pins, and the position where the six-sided cylinder part is in contact with the flange part is provided with a plurality of slots respectively corresponding to the slots. The corresponding pointer structure. 2 . The slotted nut with a hexagonal flange face that can determine the slotting position in a tightened state according to claim 1 , wherein: the pointing structure is a triangular pyramid. 3 . 3. The hexagonal flange face slotted nut that can judge the slotting position under the tightened state according to claim 2, is characterized in that: the two symmetrically arranged vertices of the triangular pyramid are placed on the hexahedral cylinder The other two symmetrically arranged vertices of the triangular pyramid point to the symmetrical centerline of the slot. 4. The hexagonal flange face slotted nut that can determine the slotting position in a tightened state according to claim 3, wherein the slotting is a U-shaped structure, and the opening of the slotting is oriented away from the method. Orchid settings. 5. The hexagonal flange surface slotted nut that can determine the slotting position in the tightened state according to claim 1, wherein the flange portion is close to the side end surface of the hexagonal cylindrical portion is away from the hexagonal surface. The circular arc surface of the cylindrical body expanding outwards. 6. A hexagonal flange face slotted nut capable of determining the slotting position in a tightened state according to claim 1, 3 or 4, wherein the plurality of slots are distributed on the hexagonal cylinder portion The center position of the six faces, the slot communicates with the threaded hole. 7. The hexagonal flange face slotted nut that can determine the slotting position in a tightened state according to claim 1, wherein the end face of the hexagonal cylindrical portion away from the flange portion has a first nut. A guide surface and a second guide surface, the first guide surface is inclined in the direction of the threaded hole, and the second guide surface is placed on the outer side of the end of the hexagonal cylinder portion and inclined in the direction of the flange portion.

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