High-precision front and rear steering knuckles of automotive brake

Abstract

The utility model discloses a high-precision front and rear steering knuckle of an automotive brake, and relates to the technical field of steering knuckles. The steering knuckle comprises a steering knuckle body, a first steering arm and a second steering arm are arranged on one side of the steering knuckle body, supporting structures are arranged at the lower end of the first steering arm and the lower end of the second steering arm respectively, and two installation arms are arranged on the other side of the steering knuckle body. When a first steering arm and a second steering arm are subjected to downward force, the first steering arm and the second steering arm press a movable supporting rod, the movable supporting rod drives a sliding sleeve to move along a guide rod, the sliding sleeve compresses a first supporting spring, and the sliding sleeve drives a second supporting spring to stretch; under the action of the first supporting spring and the second supporting spring, the first steering arm and the second steering arm have good supporting and protecting effects, and the service life of the first steering arm and the service life of the second steering arm are prolonged.

Description

Technical Field

[0001] The utility model belongs to the technical field of steering knuckles, in particular to a high-precision front and rear steering knuckle of an automobile brake. Background Art

[0002] Front and rear steering knuckles, also known as "ram's horns", are one of the important parts of the steering axle of the car. Their main function is to transmit and bear the load of the front of the car, and at the same time support and drive the front wheels to rotate around the kingpin, so as to realize the steering function of the car. As a key component, the steering knuckle needs to bear various loads from the front of the car, including impact force during driving and lateral force when turning;

[0003] After searching, a high-precision front and rear steering knuckle of automobile brake was disclosed with publication number CN205737693U;

[0004] The existing high-precision automobile brakes have front and rear steering knuckles installed at the place of use. After long-term use, it is easy to cause severe friction of the shaft sleeve, affecting the rotation effect. In addition, the brake is installed in the car lining, making it very inconvenient to lubricate, affecting the use effect of the steering knuckle.

[0005] To this end, we provide a high-precision front and rear steering knuckle of an automobile brake to solve the above-mentioned problems. Utility Model Content

[0006] The utility model aims to provide a high-precision front and rear steering knuckle of an automobile brake, which can solve the problem that the existing high-precision front and rear steering knuckle of an automobile brake is installed at the place of use, which is easy to cause severe friction of the shaft sleeve after long-term use, thereby affecting the rotation effect, and the brake is installed in the automobile lining, which makes it very inconvenient to lubricate and affects the use effect of the steering knuckle.

[0007] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0008] The utility model discloses a high-precision front and rear steering knuckle of a vehicle brake, comprising a steering knuckle body, a first steering arm and a second steering arm being arranged on one side of the steering knuckle body, a supporting structure being arranged on the lower ends of the first steering arm and the second steering arm, two mounting arms being arranged on the other side of the steering knuckle body, a bayonet seat being arranged on one side of the upper end of the steering knuckle body, a shaft sleeve being arranged in the middle of the steering knuckle body, and a lubrication structure being arranged inside the steering knuckle body.

[0009] The utility model is further configured that each of the support structures includes two fixing blocks distributed up and down, and two fixing blocks distributed up and down are fixed on the outer wall of the steering knuckle body below the first steering arm and the second steering arm.

[0010] The utility model is further configured as follows: a guide rod is fixedly installed between two upper and lower fixed blocks, a sliding sleeve is movably sleeved on the outer periphery of each guide rod, and a movable support rod is hingedly connected to the outer periphery of each sliding sleeve, and one end of the two movable support rods away from the sliding sleeve is movably hinged to the first steering arm and the second steering arm above them respectively.

[0011] The utility model is further configured such that a first support spring and a second support spring are respectively sleeved on the guide rods at both ends of the sliding sleeve, and the opposite ends of the first support spring and the second support spring are respectively fixedly connected to the two ends of the sliding sleeve, and the ends of the first support spring and the second support spring facing away from each other are abutted against a fixed block close thereto.

[0012] The utility model is further configured that the lubrication structure includes a liquid separation groove opened inside the steering knuckle body, the liquid separation groove is ring-shaped, lubrication grooves are evenly opened on one side of the liquid separation groove, and the cross-section of the lubrication groove is L-shaped.

[0013] The utility model is further configured that a connecting pipe is fixed through the top of the liquid separation tank, a liquid pump is fixed on the upper end of the steering knuckle body, and the connecting pipe is connected to the liquid pump; a friction force sensor is arranged inside the shaft sleeve.

[0014] The utility model is further configured such that a groove is provided outside the port of the horizontal portion of the lubrication groove, a mounting sleeve is fixedly installed in the inner cavity of the horizontal portion of the lubrication groove, a connecting rod is movably inserted into one end of the mounting sleeve facing the opening of the horizontal portion of the lubrication groove, one end of the connecting rod extending out of the mounting sleeve is movably inserted into the interior of the groove and a sealing block is fixedly installed on the end, and the sealing block abuts against the opening end of the horizontal portion of the lubrication groove.

[0015] The utility model is further configured such that support blocks are fixedly installed on both sides of the surface of the mounting sleeve, one end of the support block is fixedly connected to the inner wall of the horizontal portion of the lubrication groove, a connecting block is installed on the end of the connecting rod extending into the interior of the mounting sleeve, a compression spring is provided on the outer sleeve of the area of ​​the connecting rod located inside the mounting sleeve, and one end of the compression spring is fixedly connected to the connecting block.

[0016] The utility model has the following beneficial effects:

[0017] 1. In the utility model, the user installs the steering knuckle at the place of use. When the first steering arm and the second steering arm are subjected to downward force, the first steering arm and the second steering arm press the movable support rod, the movable support rod drives the sliding sleeve to move along the guide rod, the sliding sleeve compresses the first support spring, and the sliding sleeve drives the second support spring to stretch. Under the action of the first support spring and the second support spring, the first steering arm and the second steering arm have a good supporting and protecting effect, thereby extending the service life of the first steering arm and the second steering arm.

[0018] In the utility model, when the friction sensor senses that the friction force increases, the liquid pump operates to discharge the lubricating liquid into the liquid separation tank through the connecting pipe and into the lubrication tank, so as to lubricate the inside of the shaft sleeve.

[0019] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0021] Figure 1 It is a schematic diagram of the three-dimensional structure of the device of the utility model;

[0022] Figure 2 For the utility model Figure 1 The enlarged structural diagram at A in the middle;

[0023] Figure 3 This is a half-section schematic diagram of the internal structure of the device of the utility model;

[0024] Figure 4 For the utility model Figure 3 Enlarged structural diagram at B in the middle.

[0025] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0026] 100, steering knuckle body; 110, first steering arm; 120, second steering arm; 130, mounting arm; 140, bayonet seat; 200, bushing; 300, fixing block; 310, guide rod; 311, first supporting spring; 312, second supporting spring; 313, sliding sleeve; 314, movable support rod; 400, liquid distribution tank; 410, connecting pipe; 411, liquid pump; 420, lubrication tank; 421, groove; 430, sealing block; 431, mounting sleeve; 432, supporting block; 433, connecting rod; 434, connecting block; 435, compression spring. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] like Figure 1 and Figure 2 As shown, the embodiment provides a high-precision front and rear steering knuckle of a vehicle brake, comprising a steering knuckle body 100, a first steering arm 110 and a second steering arm 120 are arranged on one side of the steering knuckle body 100, the lower ends of the first steering arm 110 and the second steering arm 120 are both provided with a supporting structure, the other side of the steering knuckle body 100 is provided with two mounting arms 130, a bayonet seat 140 is arranged on one side of the upper end of the steering knuckle body 100, a shaft sleeve 200 is arranged in the middle of the steering knuckle body 100, each supporting structure comprises two fixing blocks 300 distributed up and down, and two fixing blocks 300 distributed up and down are fixed on the outer wall of the steering knuckle body 100 below the first steering arm 110 and the second steering arm 120, A guide rod 310 is fixedly installed between two upper and lower fixed blocks 300, and a sliding sleeve 313 is movably sleeved on the outer periphery of each guide rod 310, and a movable support rod 314 is hingedly connected to the outer periphery of each sliding sleeve 313. The ends of the two movable support rods 314 away from the sliding sleeve 313 are respectively movably hinged to the first steering arm 110 and the second steering arm 120 above them, and the guide rods 310 at both ends of the sliding sleeve 313 are respectively sleeved with a first support spring 311 and a second support spring 312, and the opposite ends of the first support spring 311 and the second support spring 312 are respectively fixedly connected to the two ends of the sliding sleeve 313, and the ends of the first support spring 311 and the second support spring 312 that are away from each other abut against the fixed block 300 close thereto;

[0029] In this embodiment, the user installs the steering knuckle at the place of use. When the first steering arm 110 and the second steering arm 120 are subjected to downward force, the first steering arm 110 and the second steering arm 120 press the movable support rod 314, and the movable support rod 314 drives the sliding sleeve 313 to move along the guide rod 310. The sliding sleeve 313 compresses the first support spring 311, and the sliding sleeve 313 drives the second support spring 312 to stretch. Under the action of the first support spring 311 and the second support spring 312, the first steering arm 110 and the second steering arm 120 have a good supporting and protecting effect, thereby extending the service life of the first steering arm 110 and the second steering arm 120.

[0030] like Figure 3 and Figure 4As shown, the embodiment provides a high-precision front and rear steering knuckle of a car brake, wherein a lubrication structure is arranged inside the steering knuckle body 100, and the lubrication structure includes a liquid separation groove 400 opened inside the steering knuckle body 100, the liquid separation groove 400 is in a ring shape, and lubrication grooves 420 are evenly opened on one side of the liquid separation groove 400, and the cross section of the lubrication groove 420 is L-shaped, and a connecting pipe 410 is fixed through the top of the liquid separation groove 400, and a liquid pump 411 is fixed on the upper end of the steering knuckle body 100, and the connecting pipe 410 is connected to the liquid pump 411; a friction force sensor is arranged inside the shaft sleeve 200;

[0031] In this embodiment, when the friction sensor senses an increase in friction, the liquid pump 411 operates to discharge the lubricating liquid into the interior of the liquid separation tank 400 through the connecting pipe 410 and into the interior of the lubrication tank 420, thereby lubricating the inner wall of the sleeve 200.

[0032] like Figure 3 and Figure 4 As shown, the embodiment provides a high-precision front and rear steering knuckle of a vehicle brake, wherein a groove 421 is provided outside the port of the horizontal portion of the lubrication groove 420, a mounting sleeve 431 is fixedly installed in the inner cavity of the horizontal portion of the lubrication groove 420, a connecting rod 433 is movably inserted into one end of the mounting sleeve 431 facing the opening of the horizontal portion of the lubrication groove 420, one end of the connecting rod 433 extending out of the mounting sleeve 431 is movably inserted into the interior of the groove 421 and a sealing block 430 is fixedly installed on the end, the sealing block 430 abuts against the horizontal opening end of the lubrication groove 420, support blocks 432 are fixedly installed on both sides of the surface of the mounting sleeve 431, one end of the support block 432 is fixedly connected to the inner wall of the horizontal portion of the lubrication groove 420, a connecting block 434 is installed at one end of the connecting rod 433 extending into the interior of the mounting sleeve 431, a compression spring 435 is provided on the outer sleeve of the region of the connecting rod 433 located inside the mounting sleeve 431, and one end of the compression spring 435 is fixedly connected to the connecting block 434;

[0033] In this embodiment, when the lubricating liquid enters the lubrication groove 420, under the action of the liquid pump 411, the lubricating liquid squeezes the sealing block 430, and the sealing block 430 moves toward the inside of the groove 421. The sealing block 430 drives the connecting block 434 to move inside the mounting sleeve 431 through the connecting rod 433, compressing the clamping spring 435, and the sealing block 430 is separated from one end of the lubrication groove 420, so that the lubricating liquid can flow out. When the lubrication is stopped, the liquid pump 411 stops running, and the sealing block 430 returns to its original position under the action of the clamping spring 435, so that the sealing block 430 is engaged with the lubrication groove 420, thereby preventing debris from entering the lubrication groove 420 and preventing the lubrication groove 420 from being blocked.

[0034] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0035] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A high-precision front and rear steering knuckle for an automobile brake, comprising a steering knuckle body (100), Features: A first steering arm (110) and a second steering arm (120) are arranged on one side of the steering knuckle body (100); the lower ends of the first steering arm (110) and the second steering arm (120) are both provided with a supporting structure; two mounting arms (130) are arranged on the other side of the steering knuckle body (100); a bayonet seat (140) is arranged on one side of the upper end of the steering knuckle body (100); a shaft sleeve (200) is arranged in the middle of the steering knuckle body (100); and a lubrication structure is arranged inside the steering knuckle body (100).

2. A high-precision front and rear steering knuckle of a vehicle brake according to claim 1, Features: Each of the support structures comprises two fixing blocks (300) distributed vertically, and two fixing blocks (300) distributed vertically are fixed on the outer wall of the steering knuckle body (100) located below the first steering arm (110) and the second steering arm (120).

3. A high-precision front and rear steering knuckle of a vehicle brake according to claim 2, Features: A guide rod (310) is fixedly installed between the two upper and lower fixed blocks (300), the outer periphery of each guide rod (310) is movably sleeved with a sliding sleeve (313), and the outer periphery of each sliding sleeve (313) is hingedly connected to a movable support rod (314), and one end of the two movable support rods (314) away from the sliding sleeve (313) is movably hinged to the first steering arm (110) and the second steering arm (120) above them.

4. A high-precision front and rear steering knuckle for automobile brake according to claim 3, Features: A first support spring (311) and a second support spring (312) are respectively sleeved on the guide rods (310) at both ends of the sliding sleeve (313); opposite ends of the first support spring (311) and the second support spring (312) are respectively fixedly connected to the two ends of the sliding sleeve (313); and opposite ends of the first support spring (311) and the second support spring (312) are in contact with a fixed block (300) adjacent thereto.

5. A high-precision front and rear steering knuckle for automobile brake according to claim 1, Features: The lubrication structure comprises a liquid separation groove (400) opened inside the steering knuckle body (100), the liquid separation groove (400) being in a ring shape, and lubrication grooves (420) being evenly opened on one side of the liquid separation groove (400), the cross section of the lubrication groove (420) being in an L shape.

6. A high-precision front and rear steering knuckle of a vehicle brake according to claim 5, Features: A connecting pipe (410) is fixedly passed through the top of the liquid separation tank (400), a liquid pump (411) is fixedly disposed at the upper end of the steering knuckle body (100), and the connecting pipe (410) is in communication with the liquid pump (411); and a friction force sensor is disposed inside the shaft sleeve (200).

7. A high-precision front and rear steering knuckle of a vehicle brake according to claim 6, Features: A groove (421) is provided outside the port of the horizontal portion of the lubricating groove (420), a mounting sleeve (431) is fixedly installed in the inner cavity of the horizontal portion of the lubricating groove (420), a connecting rod (433) is movably inserted into one end of the mounting sleeve (431) facing the opening of the horizontal portion of the lubricating groove (420), one end of the connecting rod (433) extending outside the mounting sleeve (431) is movably inserted into the interior of the groove (421) and a sealing block (430) is fixedly installed on the end, and the sealing block (430) is in contact with the opening end of the horizontal portion of the lubricating groove (420).

8. A high-precision front and rear steering knuckle of a vehicle brake according to claim 7, Features: Support blocks (432) are fixedly mounted on both sides of the surface of the mounting sleeve (431), one end of the support block (432) is fixedly connected to the inner wall of the horizontal portion of the lubrication groove (420), one end of the connecting rod (433) extending into the interior of the mounting sleeve (431) is mounted with a connecting block (434), and a compression spring (435) is provided on the outer sleeve of the region of the connecting rod (433) located inside the mounting sleeve (431), and one end of the compression spring (435) is fixedly connected to the connecting block (434).

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