Angle limiting mechanism for driving simulator

Abstract

The utility model discloses an angle limiting mechanism for a driving simulator, which comprises a limiting cylinder, a slip ring is axially and slidably mounted in the limiting cylinder, the slip ring and the limiting cylinder are coaxial, two axial ends of the limiting cylinder can prevent the slip ring from slipping out, threads are arranged on the inner wall of the slip ring, and the threads and the slip ring are coaxial. The angle limiting mechanism for the driving simulator has the advantages that the angle limiting mechanism for the driving simulator limits the reciprocating movement stroke of the sliding ring through the limiting cylinder to ensure that an automobile steering device runs safely and is not affected by failure of the road feeling simulator, potential safety hazards caused by excessive steering stroke are eliminated, driving safety is ensured, and mechanical limiting reliability is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile drive -by -wire steering, especially relates to a angle limiting mechanism for driving simulator. BACKGROUND

[0002] With the continuous development of the intelligentization of automobile, the requirement of the integration and space structure of automobile parts is higher and higher, the birth of drive -by -wire steering system makes that steering system can not need traditional mechanical mechanism transmission control signal, but is through road feeling simulator output steering wheel relevant signal control steering actuator steering, simultaneously through road feeling damping control device simulates steering wheel road feeling, thereby satisfies driving experience and traditional car consistent.

[0003] Drive -by -wire steering system is an important component of drive -by -wire chassis system, as the key execution system of drive -by -wire chassis, the design of road feeling simulator cancels traditional mechanical connection, steering operation is directly conveyed by electric signal, and control mode is more flexible, can realize modular structure, improves the coupling of steering system and other subsystems of chassis and control freedom degree.

[0004] However, the above -mentioned drive -by -wire steering system still has unsafe factors under extreme conditions in actual use, for example, once road feeling simulator fails and is damaged, steering device cannot be grasped by the driver, thereby the problem of excessive steering stroke is prone to occur, and driving safety is endangered. UTILITY MODEL CONTENTS

[0005] The utility model discloses a kind of angle limiting mechanisms for driving simulator, to solve the problem that current drive -by -wire steering system cannot guarantee absolute driving safety.

[0006] To solve the above problems, the utility model provides an angle limiting mechanism for driving simulator, comprising a limiting cylinder, a slip ring is axially slidably installed in the limiting cylinder, the slip ring and the limiting cylinder are coaxial, the axial both ends of the limiting cylinder can block the slip ring from sliding out, a thread is provided on the inner wall of the slip ring, and the thread and the slip ring are coaxial.

[0007] In an embodiment, the axial one end of the limiting cylinder is provided with a plurality of mounting holes one, and the plurality of mounting holes one are centrally symmetrically distributed around the central axis of the limiting cylinder.

[0008] In an embodiment, the axial other end of the limiting cylinder is provided with an end cover, and the end cover blocks the slip ring from sliding out of the axial other end of the limiting cylinder.

[0009] In one embodiment, the end cover is provided with a mounting hole two, a bolt is inserted into the mounting hole two, the axial other end of the limiting cylinder is provided with a mounting hole three, the bolt is inserted into the mounting hole three and is screwed with the mounting hole three, and the end cover is detachably fixed and connected with the limiting cylinder through the bolt.

[0010] In one embodiment, the axial other end of the limiting cylinder is coaxially provided with a sliding hole, the sliding hole extends from the axial other end of the limiting cylinder to the axial one end of the limiting cylinder, the length of the sliding hole is less than the axial length of the limiting cylinder, and the hole diameter of the sliding hole is less than the inner diameter of the limiting cylinder.

[0011] The hole wall of the sliding hole is provided with a sliding groove extending in the axial direction of the sliding hole, and the length of the sliding groove is equal to the length of the sliding hole.

[0012] The sliding ring is located in the sliding hole and axially moves close to the hole wall of the sliding hole, a sliding block is slidably arranged in the sliding groove, and the sliding block is integrally arranged with the sliding ring.

[0013] In one embodiment, the axial both ends of the sliding hole are provided with elastic stop rings.

[0014] In one embodiment, the elastic stop ring comprises an elastic stop ring one and an elastic stop ring two, and the elastic stop ring one and the elastic stop ring two are arranged at the axial both ends of the sliding hole.

[0015] The outer circumferential surface of the elastic stop ring one is integrally provided with a protruding block one, and the protruding block one is located in the sliding groove.

[0016] The end cover is provided with an annular groove, the elastic stop ring two is located in the annular groove, the side surface of the elastic stop ring two is integrally provided with a protruding block two, and the protruding block two is located outside the annular groove.

[0017] In one embodiment, the elastic stop ring and the sliding ring are made of rubber.

[0018] Beneficial effects: the angle limiting mechanism for the driving simulator of the utility model guarantees the safe operation of the automobile steering device by limiting the reciprocating movement stroke of the sliding ring, is not affected by the failure of the road feeling simulator, eliminates the safety hidden danger caused by excessive steering stroke, guarantees the driving safety, and the mechanical limiting has high reliability. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating creative labor.

[0020] Figure 1 is a structure diagram of an angle limiting mechanism for a driving simulator Figure 1 ;

[0021] Figure 2 is a structure diagram of an angle limiting mechanism for a driving simulator Figure 2 ;

[0022] Figure 3 is an explosion of an angle limiting mechanism for a driving simulator Figure 1 ;

[0023] Figure 4 is an explosion of an angle limiting mechanism for a driving simulator Figure 2 .

[0024] The sign of the reference numeral is explained as follows:

[0025] 1, limiting cylinder; 2, mounting hole one; 3, sliding groove; 4, elastic check ring one; 5, sliding hole; 6, protruding block one; 7, sliding ring; 8, sliding block; 9, screw thread; 10, elastic check ring two; 11, protruding block two; 12, end cover; 13, mounting hole two; 14, bolt; 15, annular groove; 16, mounting hole three. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely 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 the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0027] It should be noted that if the present application embodiments involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement condition, etc. between the components in a certain specific posture (as shown in the drawings). If the specific posture changes, the directional indications also change accordingly.

[0028] In the utility model, unless another definite provision and limitation, the term "connect", "fix" and the like should do broad sense understanding, for example, "fix" can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through intermediate medium, can be two element internal communication or two element mutual action relation, unless another definite limitation.For ordinary skilled person in the art, can understand the specific meaning of the above-mentioned term in the utility model according to specific circumstances.

[0029] In addition, if the embodiment of the utility model involves "first", "second" and the like, the "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features.Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features.In addition, the meaning of "and / or" appearing throughout the text includes three parallel schemes, for example, "A and / or B" includes A scheme, or B scheme, or A and B simultaneously satisfy the scheme.In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on that ordinary skilled person in the art can realize, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the utility model.

[0030] The utility model provides a kind of angle limiting mechanism for driving simulator, the angle limiting mechanism for driving simulator is limited by limiting cylinder body to ensure that the return movement stroke of slip ring is guaranteed that car steering device operates safely, is not influenced by road feeling simulator failure, eliminates the security risk caused by steering stroke excessive, guarantees driving safety, and mechanical limiting reliability is high.

[0031] Specifically, as Figures 1-4As shown, the angle limiting mechanism for the driving simulator at least comprises a limiting cylinder and a sliding ring, the sliding ring is axially slidably installed in the limiting cylinder, the sliding ring and the limiting cylinder are coaxial, the axial both ends of the limiting cylinder can block the sliding ring from sliding out, the inner wall of the sliding ring is provided with a thread, and the thread and the sliding ring are coaxial; in use, the limiting cylinder is fixedly connected with the shell of the automobile steering assembly, the shell of the automobile steering assembly has an output shaft, the end of the output shaft is provided with an external thread, the sliding ring is sleeved on the output shaft of the automobile steering assembly by means of the thread of the sliding ring, when the driver operates the steering wheel to steer, the output shaft of the automobile steering assembly drives the sliding ring to axially slide in the limiting cylinder, when the sliding ring slides to any position at the axial both ends of the limiting cylinder, the sliding ring is blocked and cannot continue to slide, and then the output shaft is blocked from continuing to rotate, that is, the steering wheel is prevented from continuing to rotate, and the mechanical limiting mode ensures that the danger of excessive steering stroke does not occur when the road feeling simulator fails, thereby ensuring driving safety.

[0032] The angle limiting mechanism for the driving simulator of the embodiment can be arranged at the tail of the steering assembly and coaxial with the core shaft assembly of the steering assembly, fully utilizes the axial space of the steering assembly, does not need to increase other mechanical structures, effectively reduces the space occupied by the steering mechanism on the vehicle body, makes the steering mechanism more compact and convenient, improves the space utilization, and has good universality. In addition, the angle limiting mechanism for the driving simulator of the embodiment is arranged at the tail of the steering assembly and directly connected with the output shaft of the steering assembly, and the intermediate universal joint is omitted, so that the steering mechanism can be prevented from invading the cockpit in a collision, and the personal safety of the cockpit personnel is ensured.

[0033] Further, as shown in the drawings, Figures 1-4 As shown, one end of the limiting cylinder is provided with a plurality of mounting holes one, and the mounting holes one are centrally symmetrically distributed around the central axis of the limiting cylinder. In this way, the safety hidden danger caused by excessive steering stroke can be fixedly connected with the shell of the automobile steering device through the mounting holes one by means of screws or bolts, and driving safety is ensured.

[0034] In the embodiment, further, as shown in the drawings, Figures 1-4 As shown, the other end of the limiting cylinder is provided with an end cover, and the sliding ring is blocked from sliding out of the other end of the limiting cylinder through the end cover. Specifically, the end cover is provided with a mounting hole two, a bolt is inserted into the mounting hole two, the other end of the limiting cylinder is provided with a mounting hole three, the bolt is inserted into the mounting hole three and is screwed with the mounting hole three, and the end cover and the limiting cylinder are detachably fixedly connected through the bolt. In this way, the end cover can be easily removed to take out the sliding ring.

[0035] In the embodiment, as shown in the drawings, Figures 1-4As shown, the other end of the axial limiting cylinder is coaxially provided with a sliding hole, the sliding hole extends from the other end of the axial limiting cylinder to the one end of the axial limiting cylinder, the length of the sliding hole is less than the axial length of the limiting cylinder, the hole diameter of the sliding hole is greater than the inner diameter of the limiting cylinder, in this way, the sliding ring cannot slide out of the one end of the axial limiting cylinder, the other end of the axial limiting cylinder is prevented from sliding out by the end cover, and the sliding ring is installed into the sliding hole from the other end of the axial limiting cylinder; the hole wall of the sliding hole is provided with a sliding groove extending in the axial direction of the sliding hole, the length of the sliding groove is equal to the length of the sliding hole; the sliding ring is located in the sliding hole and moves axially close to the hole wall of the sliding hole, a sliding block is slidingly installed in the sliding groove, and the sliding block is integrally arranged with the sliding ring, in this way, it is ensured that the sliding ring can only slide axially in the sliding hole.

[0036] In the embodiment, the axial both ends of the sliding hole are provided with elastic stop rings; specifically, Figures 1-4 As shown, the elastic stop ring comprises an elastic stop ring one and an elastic stop ring two, the elastic stop ring one and the elastic stop ring two are respectively arranged at the axial both ends of the sliding hole; the outer circumferential surface of the elastic stop ring one is integrally provided with a protruding block one, and the protruding block one is located in the sliding groove; the end cover is provided with an annular groove, the elastic stop ring two is located in the annular groove, the side surface of the elastic stop ring two is integrally provided with a protruding block two, and the protruding block two is located outside the annular groove, and the elastic stop ring and the sliding ring are made of rubber, in this way, the sliding of the sliding ring can be limited and buffered by the elastic stop ring, rigid collision between the sliding ring and the end cover and the one end of the axial limiting cylinder is prevented to generate noise or damage the sliding ring, the service life of the sliding ring is increased, the noise of rubber is small, compared with metal materials, rubber has high elasticity, wear resistance and sound insulation, so the noise generated under stress is very small.

[0037] In the embodiment, after the sliding ring is made of rubber, the friction between the sliding ring and the hole wall of the sliding hole when the sliding ring slides can make the hand feeling of the driving simulator more natural and the resistance more dense.

[0038] The angle limiting mechanism for the driving simulator has low cost, and when maintained, a single part can be replaced alone, and the whole product assembly does not need to be replaced, but only one part needs to be replaced.

[0039] The above only shows the preferred embodiment of the utility model, equivalent structural transformation made by the utility model specification and the drawings, or direct / indirect application in other related technical fields are all included in the patent protection range of the utility model.

Claims

1. An angle limiter mechanism for a driving simulator, characterized by, The application relates to a limiting cylinder, which is internally axially slidably installed with a sliding ring, the sliding ring and the limiting cylinder are coaxial, the axial two ends of the limiting cylinder can block the sliding ring from sliding out, the inner wall of the sliding ring is provided with threads, and the threads are coaxial with the sliding ring.

2. An angle limiter mechanism for a driving simulator according to claim 1, wherein The axial one end of the limiting cylinder is provided with a plurality of mounting holes one, and the plurality of mounting holes one are centrally symmetrically distributed around the central axis of the limiting cylinder.

3. An angle limiter mechanism for a driving simulator according to claim 2, wherein The axial other end of the limiting cylinder is provided with an end cover, and the end cover blocks the sliding ring from sliding out of the axial other end of the limiting cylinder.

4. An angle limiter mechanism for a driving simulator according to claim 3, wherein The end cover is provided with mounting holes two, bolts are inserted into the mounting holes two, the axial other end of the limiting cylinder is provided with mounting holes three, the bolts are inserted into the mounting holes three and are screwed with the mounting holes three, and the end cover is detachably fixedly connected with the limiting cylinder through the bolts.

5. An angle limiter mechanism for a driving simulator according to claim 4, wherein The axial other end of the limiting cylinder is coaxially provided with a sliding hole, the sliding hole extends from the axial other end of the limiting cylinder towards the axial one end of the limiting cylinder, the length of the sliding hole is smaller than the axial length of the limiting cylinder, and the hole diameter of the sliding hole is smaller than the inner diameter of the limiting cylinder. The hole wall of the sliding hole is provided with a sliding groove extending along the axial direction of the sliding hole, and the length of the sliding groove is equal to the length of the sliding hole. The sliding ring is located in the sliding hole and axially moves close to the hole wall of the sliding hole, a sliding block is slidably installed in the sliding groove, and the sliding block is integrally arranged with the sliding ring.

6. An angle limiter mechanism for a driving simulator according to claim 5, wherein The axial two ends of the sliding hole are provided with elastic retaining rings.

7. An angle limiter mechanism for a driving simulator according to claim 6, wherein The elastic retaining rings include elastic retaining ring one and elastic retaining ring two, and the elastic retaining ring one and the elastic retaining ring two are separately arranged at the axial two ends of the sliding hole. A convex block one is integrally arranged on the outer circumferential surface of the elastic retaining ring one, and the convex block one is located in the sliding groove. The end cover is provided with an annular groove, the elastic retaining ring two is located in the annular groove, a convex block two is integrally arranged on the side surface of the elastic retaining ring two, and the convex block two is located outside the annular groove.

8. An angle limiter mechanism for a driving simulator according to claim 7, wherein The elastic retaining ring and the sliding ring are made of rubber.

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