Anti-falling bolt for automobile

Abstract

The utility model belongs to the technical field of automobile bolts, and particularly relates to an anti-falling bolt for an automobile, which comprises a bolt and further comprises two first sliding grooves, the two first sliding grooves are arranged on the peripheral side of the bolt, two extrusion blocks are respectively connected in the two first sliding grooves in a sliding mode, two extrusion grooves are respectively arranged in the two extrusion blocks, and the two extrusion grooves are arranged in the two extrusion blocks in a sliding mode. The two extrusion grooves communicate with the two first sliding grooves correspondingly. The second sliding groove is formed in the bolt, two symmetrically-arranged third sliding grooves are formed in the inner wall of the second sliding groove, the two third sliding grooves communicate with the two first sliding grooves correspondingly, a sliding block is slidably connected into the second sliding groove, and two transmission blocks are fixedly connected to the two sides of the sliding block correspondingly; according to the anti-falling bolt, the problem that the bolt falls off from a vehicle mounting hole due to the fact that the pre-tightening force of the bolt is possibly lost instantly due to bumping generated in the running process of a vehicle and impact load generated by rapid acceleration or braking is solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of automobile bolt, especially relates to a bolt for preventing falling off of automobile. BACKGROUND

[0002] The bolt for automobile is the key standard part of connecting and fixing each part of the automobile, and the design, selection and installation of the bolt directly affect the performance and safety of the vehicle.

[0003] For example, the Chinese patent with the announcement number CN213511596U discloses a bolt for automobile, which comprises a screw rod, a nut is arranged on the left side of the screw rod, the material of the screw rod and the nut is the same, a thread is sequentially arranged on the surface of the screw rod from left to right, an enhanced layer is arranged on the outer surface of the screw rod, a rust-proof layer is arranged on the outer surface of the enhanced layer, a high-temperature-resistant layer is arranged on the outer surface of the rust-proof layer, and a wear-resistant layer is arranged on the outer surface of the high-temperature-resistant layer, wherein the wear-resistant layer comprises a carbon steel layer, an iron alloy layer and a steel alloy layer.

[0004] The above-mentioned patent has the following problems:

[0005] The patent has some shortcomings when in use, for example, when the above-mentioned bolt is installed on the vehicle and used, the impact load generated by the bumping of the vehicle during driving, sudden acceleration or braking may cause the pre-tightening force of the bolt to be lost instantaneously, so that the bolt falls off from the mounting hole of the vehicle. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a bolt for preventing falling off of automobile to solve the problems in the above-mentioned background technology.

[0007] Therefore, the utility model provides a bolt for preventing falling off of automobile, which comprises a bolt and further comprises:

[0008] Two first sliding grooves are arranged on the circumferential side of the bolt, two extrusion blocks are respectively and slidably connected in the two first sliding grooves, two extrusion grooves are respectively arranged in the two extrusion blocks, and the two extrusion grooves are respectively and continuously communicated with the two first sliding grooves;

[0009] Second sliding groove, the second sliding groove is opened in the bolt, the inner wall of the second sliding groove is provided with two symmetrically arranged third sliding grooves, and the two third sliding grooves are respectively connected with the two first sliding grooves, the second sliding groove is slidably connected with a sliding block, the two sides of the sliding block are respectively fixedly connected with two transmission blocks, and the two transmission blocks respectively pass through the two third sliding grooves and extend into the two extrusion grooves respectively and are slidably connected with the two extrusion grooves, and the top surface of the sliding block is provided with a limiting groove;

[0010] Driving assembly, the driving assembly is located in the bolt, and is used for driving the sliding block to move.

[0011] Based on the above structure, by setting the first sliding groove and the extrusion block, it is ensured that the extrusion block can slide in the first sliding groove, by setting the second sliding groove and the sliding block, it is ensured that the sliding block can slide in the second sliding groove, by setting the extrusion groove and the transmission block, it is ensured that when the sliding block slides, the sliding block will extrude the inner wall of the two extrusion grooves through the two transmission blocks respectively, so that the two extrusion blocks are away from each other or close to each other, so that the two extrusion blocks can be tightly extruded on the inner wall of the vehicle mounting hole, and the bolt is fixed in the mounting hole, and by setting the driving assembly, it is ensured that the user can drive the sliding block to move up and down through the driving assembly.

[0012] In the above technical scheme, further, the driving assembly comprises:

[0013] Rotary groove, the rotary groove is opened in the top surface of the bolt and is connected with the second sliding groove, the threaded rod is threadedly connected in the rotary groove, and the bottom end of the threaded rod extends into the limiting groove and is rotatably connected with the limiting groove, the top end of the threaded rod is fixedly connected with a rotary rod, and one end of the rotary rod extends to the outside, and the top end of the rotary rod is fixedly connected with a rotary block;

[0014] Fixing assembly, the fixing assembly is located on the circumferential side of the rotary rod, and is used for fixing the rotary rod.

[0015] In the present technical solution, it is ensured that the bolt will not fall off from the vehicle mounting hole.

[0016] In the above technical scheme, further, the fixing assembly comprises:

[0017] Screw groove, the screw groove is opened on the circumferential side of the rotary rod and is located in the outside, and the screw groove is threadedly connected with a threaded sleeve.

[0018] In the present technical solution, it is ensured that the rotary rod will not be affected by the outside and rotate.

[0019] In the above technical scheme, further, the threaded sleeve is made of antiskid material.

[0020] In the present technical solution, it is ensured that when the user rotates the threaded sleeve with his hand, the problem of hand slipping will not occur.

[0021] Further, the threaded sleeve is hexagonal in structure.

[0022] In the technical solution, the user can rotate the threaded sleeve more easily.

[0023] Further, the inner wall of the extrusion groove is inclined.

[0024] In the technical solution, when the inner walls of the two extrusion grooves are extruded, the two extrusion blocks can be driven to move away from or close to each other.

[0025] Further, the transmission block is in sliding connection with the third sliding groove.

[0026] In the technical solution, when the transmission block slides, the transmission block can slide in the third sliding groove.

[0027] The utility model discloses the beneficial effect is:

[0028] 1. The bolt of preventing falling of the automobile, through setting up the first sliding groove and extrusion block, ensure that extrusion block can slide in the first sliding groove, through setting up the second sliding groove and sliding block, ensure that sliding block can slide in the second sliding groove, through setting up the extrusion groove and transmission block, ensure that when sliding block slides, sliding block will be through two transmission blocks respectively extrude the inner wall of two extrusion grooves, make two extrusion blocks move away from or close to each other, make two extrusion blocks can extrude tightly on the inner wall of the installation hole of vehicle, fix the bolt in the installation hole, through setting up the drive assembly, ensure that the user can drive sliding block to move up and down through drive assembly, solve the impact load that the bumping, the sudden acceleration or the braking of the vehicle driving process produces, possibly make the pre-tightening force of bolt lose instantaneously, lead to the problem that bolt falls off from the installation hole of vehicle.

[0029] 2. The bolt of preventing falling of the automobile, through setting up the rotation groove and rotation rod, ensure that rotation rod can rotate in the rotation groove, through setting up the fixed assembly, ensure that the user can rotate rod fixed in the rotation groove through fixed assembly and cannot rotate, prevent rotation rod from being influenced to rotate by outside. BRIEF DESCRIPTION OF DRAWINGS

[0030] Figure 1 It is the overall structure schematic diagram of the utility model;

[0031] Figure 2 It is the internal structure schematic diagram of the bolt of the utility model one;

[0032] Figure 3 It is the internal structure schematic diagram of the bolt of the utility model two;

[0033] Figure 4 is a detailed structure schematic view of the bolt inside.

[0034] The mark in the figure is:

[0035] 1, bolt; 2, first sliding groove; 3, extrusion block; 4, extrusion groove; 5, second sliding groove; 6, third sliding groove; 7, sliding block; 8, transmission block; 9, limiting groove; 10, rotating groove; 11, threaded rod; 12, rotating rod; 13, rotating block; 14, threaded groove; 15, threaded sleeve. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art belong to the scope of protection of the present application.

[0037] In the description of the present application, it should be noted that the terms used herein are only for describing the specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. For the convenience of description, the sizes of the parts shown in the drawings are not drawn in accordance with the actual proportional relationship. The technology, methods and devices known to those skilled in the art may not be discussed in detail, but should be considered as part of the authorized description. In all examples shown and discussed herein, any specific value should be interpreted as merely exemplary, and not as a limitation. Therefore, other examples of exemplary embodiments can have different values. It should be noted that similar reference numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0038] It should be noted that the terms "first", "second" and the like in the specification and claims of the present application are used to distinguish similar objects, and are not intended to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than those illustrated or described herein, and the objects distinguished by "first", "second" and the like are generally of a kind, and do not limit the number of objects, for example, the first object can be one or more. In addition, the specification and claims "and / or" represent at least one of the connected objects, and the character " / ", generally represents that the front and rear associated objects are in a "or" relationship.

[0039] It should be noted that in the description of the present application, the terms of orientation such as "front, back, up, down, left, right", "transverse, vertical, perpendicular, horizontal" and "top, bottom" and the like indicated orientation or position relationship are generally based on the orientation or position relationship shown in the drawings, only for the convenience of describing the present application and simplifying the description, without making the opposite statement, these orientation terms do not indicate and imply that the device or element referred to must have a particular orientation or be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the scope of protection of the present application; the orientation terms "inner, outer" refer to the inner and outer of the contour of each component itself.

[0040] It should be noted that in the present application, the terms "include", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or includes elements inherent to such process, method, article or device. Without more limitation, the element defined by the sentence "including a" does not exclude the presence of other identical elements in the process, method, article or device including the element. In addition, it should be pointed out that the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, but can also include performing functions in a substantially simultaneous manner or in the opposite order according to the functions involved, for example, the described method can be performed in an order different from that described, and various steps can also be added, omitted or combined. In addition, the features described with reference to certain examples can be combined in other examples. Embodiments

[0041] Please refer to Figure 1 - Figure 4 As shown in the drawings, the present embodiment provides an anti-falling bolt for automobile, which comprises a bolt 1, further comprising:

[0042] Two first sliding grooves 2 are arranged on the circumferential side of the bolt 1, two extrusion blocks 3 are respectively connected in the two first sliding grooves 2, two extrusion grooves 4 are respectively arranged in the two extrusion blocks 3, and the two extrusion grooves 4 are respectively communicated with the two first sliding grooves 2;

[0043] A second sliding groove 5 is arranged in the bolt 1, two third sliding grooves 6 are symmetrically arranged on the inner wall of the second sliding groove 5, and the two third sliding grooves 6 are respectively communicated with the two first sliding grooves 2, a sliding block 7 is connected in the second sliding groove 5, two transmission blocks 8 are respectively fixedly connected on the two sides of the sliding block 7, the two transmission blocks 8 respectively pass through the two third sliding grooves 6 and respectively extend into the two extrusion grooves 4 to be respectively connected with the two extrusion grooves 4, and a limiting groove 9 is arranged on the top surface of the sliding block 7;

[0044] A driving assembly is arranged in the bolt 1 and used to drive the sliding block 7 to move. EMBODIMENT

[0045] The embodiment provides an anti-falling bolt for a vehicle.

[0046] A rotating groove 10 is arranged on the top surface of the bolt 1 and communicates with the second sliding groove 5, a threaded rod 11 is threadedly connected in the rotating groove 10, the bottom end of the threaded rod 11 extends into the limiting groove 9 and is rotationally connected with the limiting groove 9, a rotating rod 12 is fixedly connected to the top end of the threaded rod 11 and extends out of the bolt 1, and a rotating block 13 is fixedly connected to the top end of the rotating rod 12.

[0047] A fixing assembly is arranged on the circumferential side of the rotating rod 12 and used to fix the rotating rod 12.

[0048] When in use, a user installs the bolt 1 into a mounting hole of a vehicle by hand, then rotates the rotating block 13 by hand, the rotating block 13 drives the threaded rod 11 to rotate in the rotating groove 10, the threaded rod 11 is driven to move downwards along the second sliding groove 5 by the threads of the rotating groove 10, when the sliding block 7 moves downwards, the sliding block 7 extrudes the inner walls of the two extruding grooves 4 by the two transmission blocks 8 respectively, the two extruding blocks 3 are away from or close to each other, when the two extruding blocks 3 are away from each other to the appropriate positions along the two first sliding grooves 2, the two extruding blocks 3 are tightly extruded on the inner walls of the mounting hole of the vehicle, the bolt 1 is tightly fixed in the mounting hole of the vehicle, and it is ensured that the bolt 1 cannot fall off from the mounting hole of the vehicle. EMBODIMENT

[0049] The embodiment provides an anti-falling bolt for a vehicle.

[0050] A threaded groove 14 is arranged on the circumferential side of the rotating rod 12 and extends out of the bolt 1, and a threaded sleeve 15 is threadedly connected in the threaded groove 14.

[0051] When in use, a user rotates the threaded sleeve 15 by hand, the threaded sleeve 15 is driven to move downwards by the threads of the threaded groove 14, when the threaded sleeve 15 moves to the position where it cannot move downwards, the threaded sleeve 15 is tightly extruded on the top surface of the bolt 1, the rotating rod 12 is fixed in the rotating groove 10 and cannot rotate, and it is ensured that the rotating rod 12 cannot be affected to rotate by the outside. EMBODIMENT

[0052] The embodiment provides an anti-falling bolt for a vehicle, in addition to the technical scheme of the above embodiment, further has the following technical features, the thread sleeve 15 is an anti-skid material.

[0053] Among them, ensure that when the user turns the thread sleeve 15 with hands, the problem of hand slip does not occur. Embodiment

[0054] The embodiment provides an anti-falling bolt for a vehicle, in addition to the technical scheme of the above embodiment, further has the following technical features, the thread sleeve 15 is a hexagonal structure.

[0055] Among them, ensure that when the user turns the thread sleeve 15, more labor can be saved. Embodiment

[0056] The embodiment provides an anti-falling bolt for a vehicle, in addition to the technical scheme of the above embodiment, further has the following technical features, the inner wall of the extrusion groove 4 is inclined.

[0057] Among them, ensure that when the inner walls of the two extrusion grooves 4 are extruded, the two extrusion grooves 4 can drive the extrusion blocks 3 away from each other or close to each other. Embodiment

[0058] The embodiment provides an anti-falling bolt for a vehicle, in addition to the technical scheme of the above embodiment, further has the following technical features, the transmission block 8 is slidably connected with the third sliding groove 6.

[0059] Among them, ensure that when the transmission block 8 slides, the transmission block 8 can slide in the third sliding groove 6.

[0060] In use, the user installs the bolt 1 into the mounting hole of the vehicle with hands, then rotates the rotating block 13 with hands, so that the rotating block 13 drives the threaded rod 11 to rotate in the rotating groove 10, the threaded rod 11 is driven to move downwards along the second sliding groove 5 under the action of the threads of the rotating groove 10, when the sliding block 7 moves downwards, the sliding block 7 extrudes the inner walls of the two extrusion grooves 4 through the two transmission blocks 8 respectively, so that the two extrusion blocks 3 are away from each other or close to each other, when the two extrusion blocks 3 are away from each other to the appropriate positions along the two first sliding grooves 2, the two extrusion blocks 3 are tightly extruded on the inner walls of the mounting hole of the vehicle, the bolt 1 is tightly fixed in the mounting hole of the vehicle, and the bolt 1 is prevented from falling off from the mounting hole of the vehicle, then the user rotates the thread sleeve 15 with hands, so that the thread sleeve 15 is driven to move downwards under the action of the threads of the thread groove 14, when the thread sleeve 15 moves to a position where it cannot move downwards, the thread sleeve 15 is tightly extruded on the top surface of the bolt 1, the rotating rod 12 is fixed in the rotating groove 10 and cannot rotate, and it is ensured that the rotating rod 12 cannot be rotated under the influence of the outside.

[0061] The embodiments of the present application are described above with reference to the drawings, and the embodiments and features in the embodiments of the present application can be combined with each other without conflict, and the present application is not limited to the above-described specific embodiments, and the above-described specific embodiments are only illustrative but not restrictive, and a person of ordinary skill in the art can make many forms under the inspiration of the present application without departing from the purpose of the present application and the scope protected by the claims, and all belong to the protection of the present application.

Claims

1. A bolt for automobiles that prevents detachment, comprising a bolt (1), characterized in that, Also includes: Two first sliding grooves (2) are opened on the periphery of the bolt (1). Two extrusion blocks (3) are slidably connected in the two first sliding grooves (2). Two extrusion grooves (4) are opened in the two extrusion blocks (3), and the two extrusion grooves (4) are connected to the two first sliding grooves (2). The second slide groove (5) is opened inside the bolt (1). Two symmetrically arranged third slide grooves (6) are opened on the inner wall of the second slide groove (5), and the two third slide grooves (6) are respectively connected to the two first slide grooves (2). A slider (7) is slidably connected in the second slide groove (5). Two transmission blocks (8) are fixedly connected to both sides of the slider (7), and the two transmission blocks (8) pass through the two third slide grooves (6) respectively and extend into the two extrusion grooves (4) respectively and are slidably connected to the two extrusion grooves (4). A limit groove (9) is opened on the top surface of the slider (7). A drive assembly located within the bolt (1) and used to move the slider (7).

2. The anti-loosening bolt for automobiles according to claim 1, characterized in that, The driving component includes: A rotating groove (10) is formed on the top surface of the bolt (1) and connected to the second sliding groove (5). A threaded rod (11) is threadedly connected inside the rotating groove (10), and the bottom end of the threaded rod (11) extends into the limiting groove (9) and is rotatably connected to the limiting groove (9). A rotating rod (12) is fixedly connected to the top end of the threaded rod (11), and one end of the rotating rod (12) extends to the outside. A rotating block (13) is fixedly connected to the top end of the rotating rod (12). A fixing component is located on the periphery of the rotating rod (12) and is used to fix the rotating rod (12).

3. The anti-loosening bolt for automobiles according to claim 2, characterized in that, The fixing component includes: A threaded groove (14) is formed on the circumference of the rotating rod (12) and located on the outside. A threaded sleeve (15) is threadedly connected to the threaded groove (14).

4. The anti-loosening bolt for automobiles according to claim 3, characterized in that, The threaded sleeve (15) is made of anti-slip material.

5. The anti-loosening bolt for automobiles according to claim 3, characterized in that, The threaded sleeve (15) has a hexagonal structure.

6. The anti-loosening bolt for automobiles according to claim 2, characterized in that, The inner wall of the extrusion groove (4) is inclined.

7. The anti-loosening bolt for automobiles according to claim 1, characterized in that, The transmission block (8) is slidably connected to the third slide groove (6).

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