CN113586581A

CN113586581A - Anti-falling U-shaped bolt for vehicle

Info

Publication number: CN113586581A
Application number: CN202111055871.XA
Authority: CN
Inventors: 魏伟
Original assignee: Jiangsu Ningxin Auto Parts Co ltd
Current assignee: Jiangsu Ningxin Auto Parts Co ltd
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2021-11-02
Anticipated expiration: 2041-09-09
Also published as: CN113586581B

Abstract

The invention discloses an anti-drop U-shaped bolt for a vehicle, which belongs to the field of connecting pieces and is used for the vehicle, wherein a U-shaped body of the bolt is respectively connected with a cross rod, an adjusting hole is processed on the U-shaped body, and the bottom surface of the adjusting hole is flush with the bottom surface of the cross rod; a notch is processed at the position of the U-shaped body, which is positioned inside the cross rod, and a side plate adjusting rod which extends into the adjusting hole enables a side plate adjusting part at the bottom end of the side plate adjusting rod to be meshed with an outer side plate in the cross rod through the notch; the outer side plate is limited in the cross rod, one end of the outer side plate extends out of the cross rod, and side plate engaging teeth are machined at the top of one end of the outer side plate extending out of the cross rod; the other end of the outer side plate is respectively matched and occluded with the corresponding tongue plate and the corresponding occlusion plate; and a thread structure matched with the nut is further processed on the U-shaped body, and a pressing rod coaxial with the adjusting hole is processed at the central axis of the nut. It can realize U type bolted connection spare connection stability and the promotion of anticreep performance through mechanical connection structure's change.

Description

Anti-falling U-shaped bolt for vehicle

Technical Field

The invention belongs to the field of connecting pieces, and particularly relates to an anti-falling U-shaped bolt for a vehicle.

Background

The U-shaped bolt is one of the more extensive connecting pieces of use in the vehicle, and it causes the problem such as U-shaped bolt and the nut that is connected is not hard up because of jolting easily in the in-process that moves along with the vehicle, causes the drop of U-shaped bolt, influences the connection stability of vehicle parts, has the potential safety hazard easily. The existing anti-falling U-shaped bolt structure is complex, the anti-falling effect is not ideal, the connection stability of the U-shaped bolt connecting piece is improved by matching between the mechanical connecting structures, and the anti-falling U-shaped bolt structure becomes one of the technical problems to be solved by the industry.

Disclosure of Invention

The invention aims to provide an anti-dropping U-shaped bolt for a vehicle, which can realize the improvement of the connection stability and anti-dropping performance of a U-shaped bolt connecting piece through the change of a mechanical connection structure.

In order to achieve the purpose, the invention is realized by the following technical scheme:

the anti-falling U-shaped bolt for the vehicle comprises a U-shaped body, wherein cross rods which are connected with the U-shaped body into a whole are respectively arranged on two sides of the U-shaped body, adjusting holes are processed downwards from two end parts of the U-shaped body, and the bottom surfaces of the adjusting holes are flush with the bottom surfaces of the cross rods; a notch is processed at the position of the U-shaped body, which is positioned inside the cross rod, a side plate adjusting rod which extends into the adjusting hole makes a side plate adjusting part at the bottom end of the side plate adjusting rod contact with an outer side plate in the cross rod through the notch, and a structure which is in meshing transmission with the side plate adjusting part is processed on one side of the outer side plate, which corresponds to the side plate adjusting part; the outer side plate is limited in the cross rod, one end of the outer side plate extends out of the cross rod, and side plate engaging teeth are machined at the top of one end of the outer side plate extending out of the cross rod; the other end of the outer side plate is respectively connected with a corresponding tongue plate and a corresponding occlusion plate, and the tongue plate and the occlusion plate respectively extend out of the cross rod; the tongue plate is driven by the outer side plate to be inserted into the occlusion plate and occluded with the occlusion plate; the U-shaped body is further processed with a threaded structure matched with the nut, a pressing rod coaxial with the adjusting hole is processed at the central axis of the nut, and after the nut is connected with the U-shaped body, the bottom end of the pressing rod is in contact with and pressed on the top surface of the side plate adjusting rod.

Furthermore, the U-shaped body is provided with a reinforcing part at the bending part, and two end faces of the reinforcing part are respectively connected with the U-shaped body through smooth transition structures of the reinforcing transition parts.

Furthermore, the top end face of the cross rod is connected with a cross rod top cover which is fixed with the cross rod into a whole, the end faces of the tongue plate and the occlusal plate, which extend out of the cross rod, are provided with cross rod end covers, and the end covers of the cross rod are provided with notches corresponding to the extension of the tongue plate and the occlusal plate.

Further, a tongue plate guide end is processed on the front end face of the tongue plate, and the longitudinal section of the tongue plate guide end is an isosceles trapezoid; the tongue plate is provided with tongue plate latch teeth distributed along the length direction on the top surface and the bottom surface, and the tongue plate latch teeth are positioned in the middle of the tongue plate and do not extend to the two sides of the tongue plate.

Further, the bite plate is a bent U-shaped plate body, bite plate clamping grooves corresponding to the tongue plate clamping teeth are respectively machined in the top surface and the bottom surface of the U-shaped plate body, and the bite plate clamping grooves are located in the middle of the U-shaped plate body and do not extend to the two sides of the U-shaped plate body.

Furthermore, the top of the side plate adjusting rod is provided with a rod end adjusting groove for inserting an adjusting tool.

Furthermore, a conical hole extending downwards is processed at the central axis of the top end of the side plate adjusting rod, a conical protrusion extending downwards is processed at the central axis of the bottom surface of the pressure rod, and the conical protrusion is in friction connection with the conical hole.

Compared with the prior art, the invention has the beneficial effects that:

the U-shaped bolt can be matched with the mounting position after adjustment through a mechanical structure form linked with the outer side plate, so that the structural stability of the U-shaped bolt is realized, the nut is prevented from falling off from the U-shaped body, and the connection stability and the anti-falling performance of the U-shaped bolt are improved.

Drawings

Fig. 1 is a schematic structural view of the present invention.

In the figure: 1. a U-shaped body; 2. a reinforced transition portion; 3. a reinforcing portion; 4. a cross bar connecting part; 5. a cross bar; 6. an outer panel; 7. side plate engaging teeth; 8. a cross bar top cover; 9. an adjustment hole; 10. a side plate adjusting part; 11. a side plate adjusting rod; 12. a rod end adjusting groove; 13. a pressure lever; 14. a nut; 15. a cross bar end cover; 16. a tongue plate; 17. a tongue plate latch; 18. a tongue plate leading end; 19. a bite plate; 20. a bite plate slot; 21. a meshing connecting plate.

Detailed Description

The technical solution of the present invention is further described below with reference to the accompanying drawings. It should be noted that the following paragraphs may refer to terms of orientation, including but not limited to "upper, lower, left, right, front, rear" and the like, which are all based on the visual orientation shown in the drawings corresponding to the specification, and should not be construed as limiting the scope or technical aspects of the present invention, but merely as facilitating better understanding of the technical aspects of the present invention by those skilled in the art.

In the description of the present specification, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The utility model provides an anticreep U type bolt for vehicle, includes the U type body 1 that the horizontal body of rod of the vertical body of rod of vertical body of rod and two vertical bodies of connection constitutes, is provided with rib 3 at the bending part and the position of buckling of the vertical body of rod, and the external diameter size of rib 3 obviously is greater than U type body 1, and the both ends of rib 3 adopt enhancement transition portion 2 respectively and correspond ascending vertical body of rod, the horizontal body of rod smooth transition of side. U type body 1 symmetry respectively is provided with horizontal pole 5 on two vertical body of rod, and horizontal pole 5 is provided with the horizontal pole connecting portion 4 that is used for strengthening intensity with the position of being connected of U type body 1, and horizontal pole connecting portion 4 is sleeve structure and just welds with U type body 1.

The cross rod 5 is of a hollow structure, an outer side plate 6 is placed in the cross rod 5, one end of the outer side plate 6 extends out of the cross rod 5, the other end of the outer side plate 6 is connected with a corresponding tongue plate 16 and a corresponding occlusion plate 19 respectively, a plurality of side plate occlusion teeth 7 are machined at the top of one end of the outer side plate 6 extending out of the cross rod 5, and adjacent side plate occlusion teeth 7 are connected and reinforced through an occlusion connecting plate 21; the side plate occlusion teeth 7 are enclosed into a right-angled triangle structure, and the right-angled sides of the side plate occlusion teeth are positioned on one side far away from the cross rod 5. The tongue plate 16 is a rectangular plate structure, and a tongue plate leading end 18 with an isosceles trapezoid cross section is processed at one end far away from the cross bar 5, so as to be better inserted into the biting plate 19. The top end surface and the bottom end surface of the tongue plate 16 are respectively provided with a plurality of tongue plate latches 17 distributed along the length direction, the tongue plate latches 17 are in a right-angled triangle structure, and the right-angled sides of the tongue plate latches are positioned at one side close to the cross rod 5. The occluding plate 19 is a bent U-shaped plate body, a plurality of occluding plate clamping grooves 20 matched with the tongue plate clamping teeth 17 are respectively processed on the top surface and the bottom surface in the U-shaped plate body, the longitudinal section of each occluding plate clamping groove 20 is a right triangle, and the right-angle side of each occluding plate clamping groove is positioned on one side far away from the cross rod 5.

The tongue plate latch 17 and the bite plate slot 20 extend to the front side and the rear side of the tongue plate 16 and the bite plate 19 and are not in contact with the front side and the rear side of the tongue plate 16 and the bite plate 19. U type body 1's vertical body of rod top processing has downwardly extending's regulation hole 9, and regulation hole 9 extends to the inside bottom surface of horizontal pole 5 and stops. And U type body 1 is being located the inside one side processing of horizontal pole 5 and is had the breach to make the curb plate regulation pole 11 that inserts its inside can stretch out curb plate regulation portion 10 in breach position, in order to satisfy curb plate regulation pole 11 through curb plate regulation portion 10 and outer panel 6 meshing transmission's purpose. The outer side plate 6 should be restrained between the U-shaped body 1 and the cross bar 5, and the top and bottom should be restrained by the cross bar top cover 8, the cross bar 5, respectively. This is provided to ensure stability of the movement of the outer panel 6. When the outer side plate 6 is driven by the side plate adjusting rod 11, the tongue plate 16 can be inserted into the bite plate 19, and the tongue plate latch 17 on the tongue plate 16 is engaged with the bite plate slot 29. Due to the adoption of the structural form of the right triangle, the structure can only be inserted in the advancing direction and can be limited by the right-angle side of the right triangle when the structure has the tendency of disengaging.

Similarly, be located the right triangle's at 6 tops of outer panel curb plate interlock tooth 7, its one side of keeping away from horizontal pole 5 that corresponds the position department is the right-angle side, when outer panel 6 is adjusted pole 11 drives by the curb plate, it can be so that the hypotenuse and the contact of the body of rod or the plate body in top, and when outer panel 6 had the trend of outside motion, the right-angle side can play the effect of restriction.

In the invention, the top end of the side plate adjusting rod 11 is provided with a linear rod end adjusting groove 12, the rod end adjusting groove 12 drives the above structure through an adjusting tool, so that the tongue plate 16 and the bite plate 19 which move relatively are mutually engaged, the engaged tongue plate 16 and the bite plate 19 are mutually limited, the trend of mutual separation is limited, and the outer side plate 6 connected with the side plate adjusting rod 11 engaged with the outer side plate 6 is also limited. When the nut 14 is connected to the U-shaped body 1 through the thread structure, the pressing rod 13 extending downward inside the nut 14 extends into the adjusting hole 9, so that the bottom end of the pressing rod 13 contacts with the top end of the side plate adjusting rod 11 in the adjusting hole, and the two can be processed with anti-skid lines on the end surfaces of the two to increase the friction force between the two. When the nut 14 tends to come off, the restriction can be achieved by the above-described frictional force.

Of course, in the present invention, the top surface of the side plate adjusting rod 11 may be processed with a tapered hole (not shown) extending downward at the central axis thereof, and a tapered protrusion extending downward at the central axis of the bottom surface of the pressure rod 13, the tapered protrusion may be connected to the tapered hole with the screw cap 14 screwed in, and the friction surface may be increased by the cooperation of the tapered hole and the tapered protrusion, so as to increase the friction force. When the nut 14 has a tendency to come off the U-shaped body 1, it can limit the tendency to come off.

Finally, although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description of the present description is for clarity reasons only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. The utility model provides an anticreep U type bolt for vehicle, includes U type body (1), its characterized in that: the two sides of the U-shaped body (1) are respectively provided with a cross rod (5) which is connected with the U-shaped body into a whole, adjusting holes (9) are processed downwards from the two end parts of the U-shaped body (1), and the bottom surfaces of the adjusting holes (9) are flush with the bottom surface of the cross rod (5); a notch is processed at the position of the U-shaped body (1) inside the cross rod (5), a side plate adjusting rod (11) extending into the adjusting hole (9) enables a side plate adjusting part (10) at the bottom end of the side plate adjusting rod to be in contact with an outer side plate (6) in the cross rod (5) through the notch, and a structure in meshing transmission with the side plate adjusting part (10) is processed on one side of the outer side plate (6) corresponding to the side plate adjusting part (10); the outer side plate (6) is limited in the cross rod (5), one end of the outer side plate (6) extends out of the cross rod (5), and a side plate meshing tooth (7) is machined at the top of one end, extending out of the cross rod (5), of the outer side plate (6); the other end of the outer side plate (6) is respectively connected with a corresponding tongue plate (16) and a corresponding occlusion plate (19), and the tongue plate (16) and the occlusion plate (19) respectively extend out of the cross rod (5); the tongue plate (16) is driven by the outer side plate (6) to be inserted into the occlusion plate (19) and occluded with the occlusion plate; the U-shaped body (1) is further provided with a threaded structure matched with the nut (14), a pressing rod (13) coaxial with the adjusting hole (9) is processed at the central axis of the nut (14), and after the nut (14) is connected with the U-shaped body (1), the bottom end of the pressing rod (13) is in contact with and pressed on the top surface of the side plate adjusting rod (11).

2. The anti-drop U-bolt for vehicle according to claim 1, characterized in that: the U-shaped body (1) is provided with a reinforcing part (3) at the bending part, and two end faces of the reinforcing part (3) are respectively connected with the U-shaped body (1) through a smooth transition structure of the reinforcing transition part (2).

3. The anti-drop U-bolt for vehicle according to claim 1, characterized in that: the top end face of the cross rod (5) is connected with a cross rod top cover (8) which is fixed with the cross rod top cover into a whole, a cross rod end cover (15) is processed on the end face of the tongue plate (16) and the end face of the occlusion plate (19) extending out of the cross rod (5), and a notch corresponding to the extension of the tongue plate (16) and the occlusion plate (19) is processed on the cross rod end cover (15).

4. The anti-drop U-bolt for vehicle according to claim 3, characterized in that: a tongue plate leading end (18) is processed on the front end surface of the tongue plate (16), and the longitudinal section of the tongue plate leading end (18) is isosceles trapezoid; the tongue plate (16) is respectively provided with tongue plate latch teeth (17) distributed along the length direction on the top surface and the bottom surface, and the tongue plate latch teeth (17) are positioned in the middle of the tongue plate (16) and do not extend to the two sides of the tongue plate (16).

5. The anti-drop U-bolt for vehicle according to claim 4, characterized in that: the occlusion plate (19) is a U-shaped plate body formed by bending, occlusion plate clamping grooves (20) corresponding to the tongue plate clamping teeth (17) are respectively processed on the top surface and the bottom surface in the U-shaped plate body, and the occlusion plate clamping grooves (20) are located in the middle of the U-shaped plate body and do not extend to the two sides of the U-shaped plate body.

6. An anti-drop U-bolt for a vehicle according to any one of claims 1 to 5, characterized in that: and a rod end adjusting groove (12) for inserting an adjusting tool is processed at the top of the side plate adjusting rod (11).

7. The anti-drop U-bolt for vehicle according to claim 6, characterized in that: the central axis of the top end of the side plate adjusting rod (11) is provided with a conical hole extending downwards, the central axis of the bottom surface of the pressure rod (13) is provided with a conical bulge extending downwards, and the conical bulge is in friction connection with the conical hole.