CN111572341A

CN111572341A - Pull rod structure and car

Info

Publication number: CN111572341A
Application number: CN202010415223.XA
Authority: CN
Inventors: 彭宜爱; 康海波; 陆静静; 秦政委; 刘双双
Original assignee: Anhui Jianghuai Automobile Group Corp
Current assignee: Anhui Jianghuai Automobile Group Corp
Priority date: 2020-05-15
Filing date: 2020-05-15
Publication date: 2020-08-25
Anticipated expiration: 2040-05-15
Also published as: CN111572341B

Abstract

The invention discloses a pull rod structure and an automobile, wherein the pull rod structure comprises a connecting piece and a pull rod part, the pull rod part comprises a stop block, a first reset piece, a framework, a second reset piece and a support, the stop block, the first reset piece, the framework, the second reset piece and the support are sleeved on the outer side of the connecting piece and are sequentially connected, the first reset piece comprises a first reset body and a first limiting part which are connected, the connecting piece penetrates through the first reset body, the first limiting part is used for being abutted against the stop block, the framework is used for being connected with an auxiliary frame, the second reset piece comprises a second reset body and a second limiting part which are connected, the connecting piece penetrates through the second reset body, the second limiting part is used for being abutted against the support, and the support is used for being connected with a gearbox.

Description

Pull rod structure and car

Technical Field

The invention relates to the technical field of automobiles, in particular to a pull rod structure and an automobile.

Background

With the use of automobiles in large quantities, the requirements of people on the performance of automobiles are continuously improved, the existing power assembly suspension system needs to isolate the vibration transmission of the power assembly comprising an engine and a gearbox, and the isolation of the vibration transmission can be well met through the form of a pull rod structure, but when the engine of the automobile is started instantaneously or is shifted, the power assembly generates larger displacement along the extension direction of the pull rod of the suspension system.

In view of the above-mentioned drawbacks, there is a need for a new drawbar arrangement and a motor vehicle.

Disclosure of Invention

The invention mainly aims to provide a pull rod structure and an automobile, and aims to solve the problem that an existing power assembly generates large displacement along the extension direction of a pull rod of a suspension system.

In order to achieve the purpose, the pull rod structure provided by the invention comprises a connecting piece and a pull rod part, wherein the pull rod part comprises a stop block, a first reset piece, a framework, a second reset piece and a support, the stop block, the first reset piece, the framework, the second reset piece and the support are sleeved on the outer side of the connecting piece and are sequentially connected, the first reset piece comprises a first reset body and a first limiting part which are connected, the connecting piece penetrates through the first reset body, the first limiting part is used for being abutted against the stop block, the framework is used for being connected with an auxiliary frame, the second reset piece comprises a second reset body and a second limiting part which are connected, the connecting piece penetrates through the second reset body, the second limiting part is used for being abutted against the support, and the support is used for being.

Preferably, the first reset piece further comprises a skirt edge formed by protruding the outer periphery of the first reset body to one side of the stopper, and the skirt edge and the first reset body form an accommodating cavity capable of accommodating and wrapping the stopper.

Preferably, the first reset body is recessed in one side close to the framework to form a containing groove, and the framework comprises a protruding part which is inserted into the containing groove.

Preferably, an inclined surface is arranged on one side, facing the connecting piece, of the protruding portion, and a slope corresponding to the inclined surface is arranged on the stop block.

Preferably, the second reset body comprises a first abutting portion and a second abutting portion, the first abutting portion is used for abutting against the bracket, the connecting piece is inserted into the second abutting portion, the framework is provided with a communication hole, and the second abutting portion is inserted into the communication hole.

Preferably, the second body that resets is equipped with the confession the via hole that the connecting piece wore to establish, the inside wall circumference of via hole is followed the connecting piece direction interval protrusion is equipped with a plurality of department of keeping out, the department of keeping out with the connecting piece butt.

Preferably, the first reset piece, the framework and the second reset piece are of an integrally formed structure.

Preferably, the connecting piece includes retaining member and cover and establishes the connecting axle in the retaining member outside, the connecting axle passes in proper order first piece, skeleton and the second that resets reset, the one end of retaining member with the dog is connected, the other end of retaining member with the leg joint.

Preferably, the support comprises a connecting plate and a supporting plate which are connected, the connecting piece is connected with the connecting plate, and one end, far away from the connecting plate, of the supporting plate is used for being connected with the gearbox.

Preferably, an automobile comprises a tie rod structure as described above.

According to the technical scheme, the pull rod structure comprises a connecting piece and a pull rod part, the pull rod part comprises a stop block, a first reset piece, a framework, a second reset piece and a support, the stop block, the first reset piece, the framework, the second reset piece and the support are sleeved on the outer side of the connecting rod and are sequentially connected, when the stop block is pulled by the support, the stop block is abutted against the first limit part, the other side of the first limit part is abutted against the framework connected with the auxiliary frame, so that the support cannot generate large displacement, when the support is forced in the direction from the support to the second reset piece, the support is abutted against the second limit part, and the other side of the second limit part is abutted against the framework connected with the auxiliary frame, so that the support cannot generate large displacement, and a gearbox connected with the support cannot generate large displacement along the extension direction of the pull rod.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a drawbar configuration according to an embodiment of the invention;

FIG. 2 is a schematic view of another angle structure of the drawbar structure according to an embodiment of the present invention;

fig. 3 is a schematic cross-sectional view taken along line a-a of fig. 2.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				1	Connecting piece	231	Projecting part
11	Connecting shaft	232	Communicating hole
				12	Locking piece	24	Second reset piece
2	Pull rod component	241	Second reset body
				21	Stop block	2411	First contact part
22	First reset piece	2412	Second abutting part
				221	First reset body	2413	Via hole
2211	Accommodating groove	2414	Resisting part
				222	A first limit part	242	Second limit part
223	Skirt edge	25	Support frame
				224	Containing cavity	251	Connecting plate
23	Framework	252	Supporting plate

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1, the present invention provides a pull rod structure, including a connecting member 1 and a pull rod member 2, where the pull rod member 2 includes a stopper 21, a first reset member 22, a frame 23, a second reset member 24 and a bracket 25, the stopper 21, the first reset member 22, the frame 23, the second reset member 24 and the bracket 25 are sequentially connected to each other, the first reset member 22 includes a first reset body 221 and a first limit portion 222, the connecting member 1 passes through the first reset body 221, the first limit portion 222 is used for abutting against the stopper 21, the frame 23 is used for connecting with an auxiliary frame, the second reset member 24 includes a second reset body 241 and a second limit portion 242, the connecting member 1 passes through the second reset body 241, the second limit portion 242 is used for abutting against the bracket 25, and the bracket 25 is used for connecting with a transmission case.

The pull rod structure comprises a connecting piece 1 and a pull rod part 2, wherein the pull rod part 2 comprises a stop block 21, a first reset piece 22, a framework 23, a second reset piece 24 and a bracket 25 which are sleeved outside a connecting rod and are sequentially connected, a first limit part 222 which is formed by protruding one side of the stop block 21 is arranged on a first reset body 221, the first limit part 222 is not in contact with the stop block 21 initially, the first reset body 221 abuts between the stop block 21 and the framework 23, the first reset body 221 has a good vibration isolation effect due to low rigidity, and a second limit part 242 which is formed by protruding one side of the bracket 25 is arranged on a second reset body 241, and the second limit part 242 is not in contact with the bracket 25 initially. When the stopper 21 is pulled by the bracket 25, the stopper 21 abuts against the first limiting part 222, and because the other side of the first limiting part 222 is abutted against the framework 23 connected with the auxiliary frame, the rigidity of the first limiting part 222 is sharply increased at the moment, so that the bracket 25 cannot generate large displacement, and the displacement of the gearbox connected with the bracket 25 is limited; when the bracket 25 receives a force from the bracket 25 in the direction of the second reset piece 24, the bracket 25 abuts against the second limit portion 242, and because the other side of the second limit portion 242 is abutted against the framework 23 connected with the subframe, the rigidity of the second limit portion 242 is sharply increased at this time, so that the bracket 25 does not generate a large displacement, the displacement of the transmission connected with the bracket 25 and the displacement of the engine connected with the transmission in the extension direction of the pull rod are limited, and the large vibration amplitude existing at the moment of starting the engine or during gear shifting can be effectively reduced. Structural change is passed through to this scheme, has realized the small volume, satisfies the spatial arrangement requirement, and the reasonable rubber construction that resets 22 and second and reset 24 that sets up simultaneously effectively realizes the displacement restriction, and shaking of in the car when solving the large displacement volume is dynamic, is favorable to keeping apart the vibration.

As an embodiment, referring to fig. 2 and 3, the first restoring member 22 further includes a skirt 223 formed by protruding the outer circumference of the first restoring body 221 to one side of the stopper 21, and the skirt 223 and the first restoring body 221 form a receiving cavity 224 for receiving the covering stopper 21. With the outside cladding of dog 21 in accepting chamber 224, first piece 22 that resets adopts the rubber material, the baffle is when the motion of third direction, because dog 21 is located sub vehicle frame cavity, dog 21 receives the blocking that sub vehicle frame cavity is located the spare part of third direction to carry out the spacing of third direction to dog 21.

Further, a side of the first reset body 221 adjacent to the frame 23 is recessed to form a receiving slot 2211, the frame 23 includes a protrusion 231, and the protrusion 231 is inserted into the receiving slot 2211. In this embodiment, the first restoring body 221 is made of rubber, and in order to ensure the durability of the first restoring body 221, two protrusions 231 are oppositely disposed on the framework 23, one side of the first restoring body 221 close to the framework 23 is recessed to form two corresponding receiving slots 2211, and the protrusions 231 are inserted into the receiving slots 2211.

In addition, in one embodiment, the side of the protrusion 231 facing the connection member 1 is provided with an inclined surface (not labeled), and the stopper 21 is provided with a slope (not labeled) corresponding to the inclined surface. In order to further improve the durability of the first restoring body 221, the surfaces of the two protrusions 231 facing each other are formed as inclined surfaces, the two inclined surfaces form V-shaped grooves, the stoppers 21 are also formed as oppositely disposed slopes to be inserted into the V-shaped grooves, and the portions of the first restoring body 221 contacting the inclined surfaces of the protrusions 231 and the slopes 211 of the stoppers 21 are both formed as inclined surfaces so as to be attached to each other.

The second reset body 241 includes a first abutting portion 2411 and a second abutting portion 2412, the first abutting portion 2411 is configured to abut against the bracket 25, the connecting member 1 is inserted into the second abutting portion 2412, the frame 23 is provided with a communication hole 232, and the second abutting portion 2412 is inserted into the communication hole 232. At the beginning, the first abutting portion 2411 is not in contact with the bracket 25, when the bracket 25 receives a force from the bracket 25 in the direction of the second reset member 24, the bracket 25 abuts against the first abutting portion 2411, at this time, the first abutting portion 2411 is pressed, the rigidity is increased, the bracket 25 can be preliminarily limited, when the first abutting portion 2411 is further deformed, the second limiting portion 242 is abutted against the bracket 25, because the other side of the second limiting portion 242 is abutted against the framework 23 connected with the subframe, the rigidity of the second limiting portion 242 is sharply increased at this time, the bracket 25 cannot generate a large displacement, and the bracket 25 can be further limited. The framework 23 is provided with a communicating hole 232 for inserting the second abutting portion 2412, the connecting piece 1 is inserted into the second abutting portion 2412, and the connecting piece 1, the second abutting portion 2412 and the communicating hole 232 are sequentially sleeved, so that the pull rod structure has a limiting function in the second direction. In addition, the end of the frame 23 at the communicating hole 232 is set to a large rounded transition, so that local concentration of stress can be prevented.

Further, in order to realize multiple functions, the second body 241 that resets is equipped with the via hole 2413 that supplies connecting piece 1 to wear to establish, and the inside wall circumference of via hole 2413 is equipped with a plurality of resist portions 2414 along the interval protrusion of connecting piece 1 direction, and resist portion 2414 and connecting piece 1 butt. The through holes 2413 of the second reset body 241 are internally provided with the resisting parts 2414 at intervals, so that the through holes 2413 are in a spline groove shape, the connecting piece 1 penetrates through the through holes 2413 and is in butt joint with the resisting parts 2414, and abnormal sound between the second reset body 241 and the connecting piece 1 can be prevented.

In addition, in the above embodiment, the first restoring member 22, the skeleton 23 and the second restoring member 24 are integrally formed. First piece 22 and the second that resets 24 are the rubber material, and first piece 22, skeleton 23 and the second that resets 24 adopt vulcanization process for the three constitutes non-detachable structure, need not to carry out the assembly that first piece 22, skeleton 23 and the second reset piece 24 that resets, reduces assembly process, satisfies sub vehicle frame cavity space requirement simultaneously.

In one embodiment, the connecting member 1 includes a locking member 12 and a connecting shaft 11 sleeved outside the locking member 12, and the connecting shaft 11 sequentially passes through the first restoring member 22, the skeleton 23 and the second restoring member 24. Connecting axle 11 wears to locate first piece 22 that resets in proper order, skeleton 23 and second reset 24, connecting axle 11 is provided with the perforating hole, retaining member 12 wears to locate the perforating hole of connecting axle 11, the one end and the dog 21 of retaining member 12 are connected, the other end and the support 25 of retaining member 12 are connected, with first piece 22 that resets, skeleton 23 and second reset 24 and press from both sides between dog 21 and support 25, connecting axle 11 not only satisfies the demand of pull rod structure to its rigidity and intensity, and can save material, light in weight.

Further, the bracket 25 includes a connection plate 251 and a support plate 252 connected, the connection member 1 is connected to the connection plate 251, and an end of the support plate 252 away from the connection plate 251 is used for connecting to a transmission case. Connecting piece 1 is connected with connecting plate 251, and the second resets one side butt that supporting plate 252 was kept away from with connecting plate 251 to the second, and connecting plate 251 resets 24 with the second and has the face of abundant contact to can be when guaranteeing the spacing of first direction, the stress that the second resets on 24 is unlikely to too big and is destroyed. In addition, the supporting plate 252 is provided with a U-shaped structure, the opening direction of the U-shape can be used for locking or unlocking the connecting piece 1, and the bottom of the U-shape can be provided with a viewing hole for assembly and observation.

Further, a motor vehicle comprising a pull rod arrangement as described above. An automobile comprises all technical schemes of the pull rod structure, has all beneficial effects of the pull rod structure, and is not repeated herein.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a pull rod structure, a serial communication port, pull rod structure includes connecting piece and pull rod part, pull rod part is located including the cover the connecting piece outside and dog, first piece, skeleton, the second that resets and the support that connects gradually, first piece that resets is including the first body and the first spacing portion that resets that are connected, the connecting piece passes first body that resets, first spacing portion be used for with the dog butt, the skeleton is used for being connected with sub vehicle frame, the second resets and resets body and the spacing portion of second including the second that is connected, the connecting piece passes the second body that resets, the spacing portion of second be used for with the support butt, the support is used for being connected with the gearbox.

2. The pull rod structure of claim 1, wherein the first restoring member further comprises a skirt formed by the outer periphery of the first restoring body protruding to one side of the stopper, and the skirt and the first restoring body form a receiving cavity for receiving and covering the stopper.

3. The drawbar arrangement according to claim 1, wherein a side of the first reduction body adjacent to the framework is recessed to form a pocket, and the framework includes a projection that is inserted into the pocket.

4. The tie bar structure of claim 3, wherein a side of the protrusion facing the connecting member is provided with an inclined surface, and the stopper is provided with a slope corresponding to the inclined surface.

5. The tie rod structure of claim 1, wherein the second reset body includes a first abutting portion for abutting against the bracket and a second abutting portion into which the connecting member is inserted, the frame is provided with a communication hole, and the second abutting portion is inserted into the communication hole.

6. The pull rod structure of claim 1, wherein the second restoring body is provided with a through hole for the connecting piece to pass through, the inner side wall of the through hole is circumferentially provided with a plurality of resisting parts protruding at intervals along the direction of the connecting piece, and the resisting parts are abutted against the connecting piece.

7. The pull rod structure of claim 1, wherein the first restoring member, the framework, and the second restoring member are integrally formed structures.

8. The pull rod structure of claim 1, wherein the connecting member comprises a locking member and a connecting shaft sleeved outside the locking member, the connecting shaft sequentially penetrates through the first resetting member, the framework and the second resetting member, one end of the locking member is connected with the stop block, and the other end of the locking member is connected with the bracket.

9. A drawbar arrangement according to any one of claims 1 to 8, characterized in that the bracket comprises a connecting plate and a support plate connected, the connection member being connected to the connecting plate, an end of the support plate remote from the connecting plate being for connection to the gearbox.

10. A motor vehicle, characterized in that it comprises a tie rod structure according to any one of claims 1 to 9.