Anti-vibration stable automobile crank shaft

Abstract

The utility model discloses an anti-vibration stable automobile crank shaft. The anti-vibration stable automobile crank shaft comprises a main shaft, a crank arm, a brake mounting plate, a fixer and a fastener, the fastener comprises a fastening bolt and a fastening nut, non-return grooves are circumferentially distributed in one end face of the fastening nut at equal intervals, an installation groove is formed in the fixator, a sliding ring block is installed in the installation groove in a floating mode, non-return blocks are circumferentially distributed at the top end of the sliding ring block at equal intervals, and the non-return blocks extend out of the installation groove through groove openings and can be inserted into the non-return grooves. An unlocking piece is arranged on the fixer and is used for completely retracting the non-return block into the mounting groove; through the arrangement of the non-return block, the non-return groove and the sliding ring block, the non-return block can be driven by the inclined plane to enable a worker to normally rotate the fastening nut, and when the fastening nut is loosened, the fastening nut cannot reversely rotate to reset; and through the arrangement of a connecting block, a positioning straight groove and a second screw rod, the position of the mounting hole can be adjusted within a certain range, so that the mounting error is eliminated, and different requirements are better met.

Description

Technical Field

[0001] This utility model relates to the field of automotive parts, and in particular to a vibration-resistant and stable automotive crankshaft. Background Technology

[0002] The crankshaft is an indispensable part of existing vehicles. The vehicle brake is installed on the crankshaft, and when connecting and installing the brake to the crankshaft, it is necessary to connect it to the crankshaft through the brake mounting plate.

[0003] For example, Chinese utility model CN219692080U discloses an integrated crankshaft with a brake mounting plate. It has a movable groove. When workers need to install brakes with different spacings, they adjust the spacing by moving a fixing device installed inside the movable groove. After adjustment, the symmetrically opened connecting holes at both ends of the fixing device are connected and fixed to the symmetrically opened positioning holes inside the movable groove. Then, the brake and the adjusted brake mounting plate are connected and fixed through the fixing holes inside the fixing device. The symmetrically installed rubber positioning blocks and positioning grooves cooperate with the positioning holes to provide positioning for the adjusted fixing device. The movable groove, fixing device, and positioning holes provide convenient installation for brakes of different models and hole spacings, reducing the need for workers to change and adjust equipment, reducing worker change time, and increasing the adaptability of the device. However, this structure still has the following significant drawbacks:

[0004] 1. Existing technology has a problem where the bolts and screw holes at the crankshaft connection are not tightened as required. This can cause the bolts to come loose from the screw holes when the vehicle is subjected to vibration, eventually leading to the crankshaft falling off.

[0005] 2. When adjusting the retainer, the operator can only select a predetermined positioning hole to adjust the retainer. The position of the retainer cannot be seamlessly adjusted within a certain range, and it cannot better adapt to different requirements. Summary of the Invention

[0006] This utility model aims to solve one of the technical problems existing in the prior art.

[0007] This application provides a vibration-resistant and stable automotive crankshaft, including a main shaft, a crank arm, a brake mounting plate, a retainer, and fasteners. The fasteners include fastening bolts and fastening nuts. One end face of the fastening nut has anti-reverse grooves distributed at equal intervals around its circumference. The retainer has a mounting groove, in which a sliding ring block is floatingly mounted. Anti-reverse blocks are distributed at equal intervals around the top of the sliding ring block. The anti-reverse blocks extend out of the mounting groove through the slot and can be inserted into the anti-reverse groove. The retainer has an unlocking component for completely retracting the anti-reverse blocks into the mounting groove.

[0008] Furthermore, the unlocking component includes a push block and a wedge block. The fixing device is provided with a sliding groove, in which the wedge block is slidably installed. The sliding ring block is provided with a wedge groove that fits against the inclined surface of the wedge block. One end of the wedge block extends out of the sliding groove and is fixedly connected to the push block.

[0009] Furthermore, the push block is equipped with anti-slip texture.

[0010] Furthermore, the check block is a right-angled trapezoidal block, with one end of its inclined surface extending into the mounting groove.

[0011] Furthermore, it also includes a connecting block. The brake mounting plate is provided with an adjustment groove that slides with the connecting block. The adjustment groove is provided with a base plate that fits against the bottom end of the connecting block. The base plate is provided with a positioning straight groove that is parallel to the sliding direction of the connecting block. The bottom end of the connecting block is fixed with a No. 1 screw that slides with the positioning straight groove.

[0012] Furthermore, the connecting block is provided with a rotating groove, in which a retainer is rotatably installed. The connecting block is provided with a positioning arc groove, and the retainer is provided with a second screw that slides in conjunction with the positioning arc groove.

[0013] Furthermore, the rotating groove is a frustum groove, and the diameter of the groove opening at one end of the rotating groove near the base plate is larger than the diameter of the groove opening at the other end. The fixture is a frustum block that matches the rotating groove.

[0014] Furthermore, the fixture has an eccentric mounting hole.

[0015] The beneficial effects of this utility model are as follows:

[0016] 1. By setting up a check block, a check groove and a sliding ring block, the check block can enable the operator to rotate the fastening nut normally under the action of the inclined surface. When the fastening nut becomes loose, the fastening nut cannot be rotated in the reverse direction to reset, so that the fastening nut is not easy to loosen and separate after vibration.

[0017] 2. By using the connecting block, positioning groove and No. 2 screw, the position of the mounting hole can be adjusted within a certain range, thereby eliminating installation errors and better adapting to different requirements. Attached Figure Description

[0018] Figure 1 This is a side view of a vibration-resistant and stable automobile crankshaft according to an embodiment of this application;

[0019] Figure 2 This is a front view of a vibration-resistant and stable automobile crankshaft according to an embodiment of this application;

[0020] Figure 3 for Figure 2 A schematic diagram of the cross-sectional structure along the AA direction;

[0021] Figure 4 This is a schematic diagram of the fastener and anti-reverse block in the embodiments of this application;

[0022] Figure 5 for Figure 4 A magnified structural diagram at point B in the middle.

[0023] Figure Labels

[0024] 1-Main shaft, 2-Crank arm, 3-Brake mounting plate, 31-Adjusting groove, 32-Base plate, 33-Positioning straight groove, 4-Fixer, 41-Mounting groove, 42-Sliding ring block, 43-Anti-reverse block, 44-Second screw, 45-Mounting hole, 5-Fastener, 51-Fastening bolt, 52-Fastening nut, 53-Anti-reverse groove, 6-Unlocking component, 61-Push block, 62-Inclined block, 63-Sliding groove, 64-Inclined groove, 65-Anti-slip texture, 7-Connecting block, 71-First screw, 72-Rotating groove, 73-Positioning arc groove. Detailed Implementation

[0025] The technical solutions of the embodiments of this application will be clearly described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application are within the scope of protection of this application.

[0026] The terms "first," "second," etc., used in the specification and claims of this application are used to distinguish similar objects and not to describe a specific order or sequence. It should be understood that such use of data can be interchanged where appropriate so that embodiments of this application can be implemented in orders other than those illustrated or described herein, and the objects distinguished by "first," "second," etc., are generally of the same class and the number of objects is not limited; for example, a first object can be one or more. Furthermore, in the specification and claims, "and / or" indicates at least one of the connected objects, and the character " / " generally indicates that the preceding and following objects are in an "or" relationship.

[0027] The following description, in conjunction with the accompanying drawings, details a vibration-resistant and stable automobile crankshaft provided in this application through specific embodiments and application scenarios.

[0028] Example 1:

[0029] like Figures 1 to 5As shown, this application embodiment provides a vibration-resistant and stable automobile crankshaft, including a main shaft 1, a crank arm 2, a brake mounting plate 3, a retainer 4, and fasteners 5; the fasteners 5 include fastening bolts 51 and fastening nuts 52, and anti-reverse grooves 53 are evenly distributed circumferentially on one end face of the fastening nut 52. The retainer 4 is provided with a mounting groove 41, and a sliding ring block 42 is floatingly installed in the mounting groove 41. Anti-reverse blocks 43 are evenly distributed circumferentially on the top of the sliding ring block 42. The anti-reverse blocks 43 extend out of the mounting groove 41 through the slot and can be inserted into the anti-reverse groove 53. The retainer 4 is provided with an unlocking member 6, which is used to completely retract the anti-reverse blocks 43 into the mounting groove 41.

[0030] Furthermore, the unlocking component 6 includes a pushing block 61 and an inclined block 62. The fixing device 4 is provided with a sliding groove 63, in which the inclined block 62 is slidably installed. The sliding ring block 42 is provided with an inclined groove 64 that fits against the inclined surface of the inclined block 62. One end of the inclined block 62 extends out of the sliding groove 63 and is fixedly connected to the pushing block 61.

[0031] Furthermore, the push block 61 is provided with anti-slip texture 65.

[0032] Furthermore, the anti-reverse block 43 is a right-angled trapezoidal block, and one end of its inclined surface extends into the mounting groove 41.

[0033] In this embodiment of the application, due to the above-mentioned structure, the main shaft 1 and the crank arm 2 are fixedly connected to both sides of the brake mounting plate 3 respectively. The mounting holes 45 on the four corners of the brake mounting plate 3 are aligned with the corresponding holes on the vehicle, and the fastening bolts 51 are inserted. The fastening nut 52 is rotated clockwise. The fastening nut 52 moves downward during the rotation and achieves a fixing effect through the joint between the bottom end of the fastening nut 52 and the fastening bolt 51.

[0034] During the clockwise rotation of the fastening nut 52, the fastening nut 52 will slide downward under the action of the thread, which will cause the inclined surface of the anti-reverse block 43 to be stressed. After the anti-reverse block 43 is stressed, it slides downward and will not affect the clockwise rotation of the fastening nut 52 until the end of the fastening nut 52 with the anti-reverse groove 53 is tightly attached to the retainer 4, and the anti-reverse block 43 is inserted into the corresponding anti-reverse groove 53.

[0035] Once the fastening nut 52 is fixed, if it rotates counterclockwise under vibration, the straight surface of the anti-reverse block 43 will contact the inner wall of the anti-reverse groove 53, preventing the anti-reverse block 43 from leaving the anti-reverse groove 53. Therefore, the fastening nut 52 cannot rotate counterclockwise, thus achieving the effect of preventing loosening.

[0036] When it is necessary to remove the fastening nut 52, the pushing block 61 can be pushed to slide first. The pushing block 61 drives the inclined block 62 to slide synchronously. Since the sliding ring block 42 is provided with an inclined groove 64 that fits with the inclined surface of the inclined block 62, the sliding of the inclined block 62 will push the sliding ring block 42 and the anti-reverse block 43 to slide downward and compress the corresponding spring. At this time, the anti-reverse block 43 is completely retracted into the mounting groove 41 and disengaged from the corresponding anti-reverse groove 53. The fastening nut 52 can be removed with the help of tools, so as to separate the fastening nut 52 from the fastening bolt 51.

[0037] The push block 61 has anti-slip texture 65, so it is not easy to slip when pushing even if your hands are sweaty, oily or slightly dirty.

[0038] Example 2:

[0039] like Figure 2 and Figure 3 As shown, in this embodiment, in addition to the structural features of the aforementioned embodiments, it also includes a connecting block 7. The brake mounting plate 3 is provided with an adjustment groove 31 that slides with the connecting block 7. The adjustment groove 31 is provided with a bottom plate 32 that fits against the bottom end of the connecting block 7. The bottom plate 32 is provided with a positioning straight groove 33 that is parallel to the sliding direction of the connecting block 7. The bottom end of the connecting block 7 is fixed with a No. 1 screw 71 that slides with the positioning straight groove 33.

[0040] Furthermore, the connecting block 7 is provided with a rotating groove 72, in which a retainer 4 is rotatably installed. The connecting block 7 is provided with a positioning arc groove 73, and the retainer 4 is provided with a second screw 44 that slides with the positioning arc groove 73.

[0041] Furthermore, the rotating groove 72 is a frustum groove, and the diameter of the groove opening at one end of the rotating groove 72 near the base plate 32 is larger than the diameter of the groove opening at the other end. The fixture 4 is a frustum block that matches the rotating groove 72.

[0042] Furthermore, the fixture 4 is provided with an eccentric mounting hole 45.

[0043] In this embodiment of the application, due to the above-described structure, when the position of the retainer 4 needs to be adjusted, the connecting block 7 is pushed to slide along the adjusting groove 31, and the first screw 71 slides synchronously along the positioning straight groove 33. Within a certain range, the mounting hole 45 can be precisely adjusted along the length direction of the brake mounting plate 3 and can be fixed by the nut. Subsequently, the retainer 4 can be rotated, and the second screw 44 slides synchronously along the positioning arc groove 73. Since the mounting hole 45 is eccentrically set on the retainer 4, during the rotation of the retainer 4, the mounting hole 45 can be precisely adjusted within a certain range along the width direction of the brake mounting plate 3 and can be fixed by the nut.

[0044] The rotating groove 72 is a frustum groove, and the diameter of the groove opening at one end of the rotating groove 72 near the base plate 32 is larger than the diameter of the groove opening at the other end. The fixing device 4 is a frustum block that matches the rotating groove 72. Under the limiting action of the rotating groove 72 and the base plate 32, the fixing device 4 can only rotate along its axis.

[0045] It should be noted that, in this document, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes that element. Furthermore, it should be noted that the scope of the methods and apparatuses in the embodiments of this application is not limited to performing functions in the order shown or discussed, but may also include performing functions substantially simultaneously or in the reverse order, depending on the functions involved. For example, the described methods may be performed in a different order than described, and various steps may be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

[0046] The embodiments of this application have been described above with reference to the accompanying drawings. However, this application is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art can make many other forms under the guidance of this application without departing from the spirit and scope of the claims, and all of these forms are within the protection scope of this application.

Claims

1. A vibration resistant and secure automobile knuckle shaft comprising a main shaft, a knuckle arm, a brake mounting plate, a fixer and a fastener, characterized in that, The fastener comprises a fastening bolt and a fastening nut, and the fastening nut is provided with reverse-preventing grooves at equal intervals on one end face. The fixator is provided with mounting grooves, and the mounting grooves are floatingly mounted with sliding ring blocks. The sliding ring blocks are provided with reverse-preventing blocks at equal intervals on top ends, and the reverse-preventing blocks are extended out of the mounting grooves through notches and can be inserted into the reverse-preventing grooves. The fixator is provided with unlocking pieces, and the unlocking pieces are used for making the reverse-preventing blocks completely withdraw into the mounting grooves.

2. The vibration-resistant and secure automobile pitman shaft according to claim 1, wherein The unlocking pieces comprise pushing blocks and inclined blocks, and the fixator is provided with sliding grooves. The sliding grooves are slidingly mounted with the inclined blocks, and the sliding ring blocks are provided with inclined grooves which are in close contact with the inclined surfaces of the inclined blocks. One end of the inclined blocks is extended out of the sliding grooves and is fixedly connected with the pushing blocks.

3. The vibration-resistant, secure automobile pitman arm of claim 2, wherein, The pushing blocks are provided with anti-skid lines.

4. The vibration-resistant and secure automobile pitman shaft according to claim 1, wherein The reverse-preventing blocks are right-angled trapezoidal blocks, and one end of the inclined surfaces of the reverse-preventing blocks is extended out of the mounting grooves.

5. The vibration-resistant and secure automobile pitman shaft according to claim 1, wherein Further comprising a connecting block, and the brake mounting plate is provided with an adjusting groove which is slidingly matched with the connecting block. The adjusting groove is provided with a bottom plate which is in close contact with the bottom end of the connecting block. The bottom plate is provided with a positioning straight groove which is parallel to the sliding direction of the connecting block. The bottom end of the connecting block is fixedly provided with a first screw rod which is slidingly matched with the positioning straight groove.

6. The vibration-resistant, secure automobile pitman arm of claim 5, wherein, The connecting block is provided with a rotating groove, and the rotating groove is rotatingly mounted with the fixator. The connecting block is provided with a positioning arc groove, and the fixator is provided with a second screw rod which is slidingly matched with the positioning arc groove.

7. A vibration-resistant, secure automobile pitman shaft according to claim 6, wherein The rotating groove is a circular truncated cone groove, and the diameter of the notch of the rotating groove close to the bottom plate is larger than that of the other end. The fixator is a circular truncated cone block which is matched with the rotating groove.

8. The vibration-resistant, secure automobile pitman arm of claim 1 wherein, The fixator is eccentrically provided with a mounting hole.

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