A connecting rod structure based on an automobile assembly

Abstract

The application discloses a connecting rod structure based on an automobile assembly and relates to the technical field of connecting rods, which comprises a first connecting rod body, a second connecting rod body, a bushing, a bearing and an adjusting assembly with locking function. One end of the first connecting rod body is connected with one end of the second connecting rod body in a sliding insertion mode. The adjusting assembly is used for driving the relative sliding between the first connecting rod body and the second connecting rod body to generate the expansion and contraction change of the length of the connecting rod. The application drives the long arm to rotate through a pair of adjusting blocks, and drives the first connecting rod body to move in the limiting channel, thereby reducing the operation load of the driving piece, i.e. the rotating torque of the bidirectional screw, on the one hand. On the other hand, when the connecting rod bears pressure and tension in the working process, the force transmitted to the pair of adjusting blocks can be reduced through the lever structure, so that the bidirectional screw thread is prevented from being damaged, the service life of the bidirectional screw is prolonged, and the stability of the connecting rod in the working process is ensured.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of connecting rod, in particular to a connecting rod structure based on automobile assembly. BACKGROUND

[0002] The connecting rod is one of the main transmission mechanisms of the automobile engine and an important part of the automobile engine. It connects the piston and the crankshaft and transmits the pressure of the expanding gas acting on the top of the piston to the crankshaft, so as to reversibly convert the reciprocating linear motion of the piston into the rotary motion of the crankshaft to output power. The connecting rod structure connects the piston and the crankshaft and transmits the force acting on the piston to the crankshaft, and converts the reciprocating motion of the piston into the rotary motion of the crankshaft. The connecting rod set is composed of a connecting rod body, a connecting rod big head cover, a connecting rod small head bushing, a connecting rod big head bearing and a connecting rod bolt (or screw).

[0003] The existing variable compression ratio technology can be divided into several categories: variable piston height, variable connecting rod length, variable crankshaft position, relative displacement of cylinder head and cylinder block, additional combustion chamber, valve train, toothed lever and multi-connecting rod mechanism. Among them, the variable connecting rod length has the smallest structural change to the traditional engine. However, the existing methods for changing the length of the connecting rod are mostly through hydraulic devices to adjust the length of the connecting rod structure, or increase the operating mechanism to adjust the length of the connecting rod. These length adjustment forms have the disadvantages of low reliability. SUMMARY

[0004] The present application aims to provide a connecting rod structure based on automobile assembly to solve the problems in the background art.

[0005] To achieve the above-mentioned application purposes, the present application adopts the following technical solutions:

[0006] The connecting rod structure based on automobile assembly provided by the present application comprises a first connecting rod body, a second connecting rod body, a bushing, a bearing and an adjusting assembly with locking function. One end of the first connecting rod body is connected to one end of the second connecting rod body in a sliding plug-in manner. The adjusting assembly is used to drive the relative sliding between the first connecting rod body and the second connecting rod body to produce the extension and contraction changes of the length of the connecting rod.

[0007] One end of the first connecting rod body is formed with a plug-in section relative to the second connecting rod body. The inside of one end of the second connecting rod body is formed with an open receiving cavity. The receiving cavity comprises a limiting channel in sliding cooperation with the plug-in section and an adjusting cavity.

[0008] The adjusting assembly is arranged in the adjusting cavity and comprises a pair of adjusting blocks, a scissor type hinged assembly and a driving member. The pair of adjusting blocks are symmetrically and slidingly assembled on the left and right sides of the plug-in section in the adjusting cavity. The pair of adjusting blocks can be synchronously slid in opposite directions or in the same direction perpendicular to the extension and contraction direction of the connecting rod under the driving of the driving member.

[0009] The scissors type hinge assembly comprises a center hinge shaft and a pair of scissors type rod groups symmetrically arranged on the front and back sides of the insertion section, the scissors type rod group comprises a first hinge rod and a second hinge rod arranged staggered and crossed, the center hinge shaft penetrates the crossing of the first hinge rod and the second hinge rod of the pair of scissors type rod groups, and the two ends of the center hinge shaft are fixedly connected with the adjusting cavity wall respectively;

[0010] The end of the first hinge rod and the second hinge rod close to the insertion section is rotationally provided with a first hinge column, and the end of the first hinge rod and the second hinge rod close to the adjusting block is rotationally provided with a second hinge column, the distance between the first hinge column and the center hinge shaft is smaller than the distance between the second hinge column and the center hinge shaft, the first hinge column is in sliding connection with the insertion section, and the second hinge column is in sliding connection with the corresponding adjusting block.

[0011] When the pair of adjusting blocks slide synchronously in opposite directions or in the same direction, the two first hinge columns on the scissors type rod group can move in opposite directions or in the same direction on the insertion section, and the two second hinge columns on the scissors type rod group can slide on the corresponding adjusting block along the direction of the connecting rod extension and contraction.

[0012] Further, the driving member comprises a bidirectional screw rod horizontally penetrating the bottom of the pair of adjusting blocks and a sliding rod horizontally penetrating the top of the pair of adjusting blocks, and the bidirectional screw rod is in threaded connection with the pair of adjusting blocks respectively.

[0013] Further, the two sides of the insertion section are symmetrically provided with sunken grooves, and the insertion section between the two sunken grooves forms a strip-shaped connecting part; the pair of scissors type rod groups are respectively arranged in the two sunken grooves, a first strip-shaped vertical groove is arranged in the center of the strip-shaped connecting part, and the center hinge shaft penetrates the first strip-shaped vertical groove and is adapted to the first strip-shaped vertical groove.

[0014] Further, a movable groove is symmetrically arranged in the first strip-shaped connecting part above the first strip-shaped vertical groove, a first sliding block is slidably arranged in the movable groove, and the two ends of the two first sliding blocks are fixedly connected with the two first hinge columns respectively.

[0015] A second strip-shaped vertical groove is arranged in the adjusting block, a second sliding block is slidably arranged in the second strip-shaped vertical groove, and the two ends of the two second sliding blocks are fixedly connected with the two second hinge columns respectively.

[0016] Further, the movable groove is horizontally arranged.

[0017] Further, the movable groove is obliquely arranged, and the pair of movable grooves are in inverted V shape.

[0018] Further, in the penetrating direction of the movable groove, the movable groove comprises symmetrically and obliquely arranged inclined groove parts, and the two inclined groove parts are in inverted V shape.

[0019] Compared with the prior art, the above one or more technical solutions have the following beneficial effects:

[0020] 1. The first hinged rod and the second hinged rod of the scissor type rod set can form a lever structure, wherein the center hinged shaft can be a fulcrum, and in the first hinged rod and the second hinged rod, the part between the second hinged column and the center hinged shaft can be a long arm, and the part between the first hinged column and the center hinged shaft can be a short arm; in use, the long arm is driven to rotate by a pair of adjusting blocks, and the short arm drives the first connecting rod body to move in the limiting channel, on the one hand, the operating load of the driving part, i.e. the rotation torque of the bidirectional screw, is reduced, and on the other hand, when the connecting rod bears pressure and tension in the working process, the lever structure can reduce the force transmitted to the pair of adjusting blocks, thereby avoiding damage to the threads of the bidirectional screw, prolonging the service life of the bidirectional screw, and ensuring the stability of the connecting rod in the working process.

[0021] 2. When the first connecting rod body is subjected to pressure or tension in the working process, the first connecting rod body can be kept centered by the inclined surface of the movable groove and the inclined surface of the inclined groove part, so that the first connecting rod does not swing radially in the limiting channel, affecting the use of the connecting rod, and ensuring the stability of the connecting rod in the working process.

[0022] It should be understood that the above general description and the following detailed description are only exemplary and explanatory, and cannot limit the present application. BRIEF DESCRIPTION OF DRAWINGS

[0023] The drawings accompanying the specification of the present application are used to provide a further understanding of the present application, and the schematic embodiments of the present application and the description thereof are used to explain the present application, and do not constitute an improper limitation on the present application.

[0024] Figure 1 is a schematic diagram of the overall structure of the present application;

[0025] Figure 2 is a schematic diagram of the internal structure of the receiving cavity of the present application;

[0026] Figure 3 is a schematic diagram of the top view structure of Figure 2 ;

[0027] Figure 4 is a schematic diagram of the structure of the first connecting rod body of embodiment 1 of the present application;

[0028] Figure 5 is a schematic diagram of the structure of the adjusting assembly of embodiment 1 of the present application;

[0029] Figure 6 is a schematic diagram of the structure of the first connecting rod body of embodiment 2 of the present application;

[0030] Figure 7is a structure schematic diagram of the adjusting assembly of embodiment 2 of the present application;

[0031] Figure 8 is a structure schematic diagram of the movable slot of embodiment 2 of the present application;

[0032] Figure 9 is a simplified schematic diagram of the moving state of the first connecting rod body in embodiment 1 of the present application;

[0033] Figure 10 is a simplified schematic diagram of the moving state of the first connecting rod body in embodiment 2 of the present application.

[0034] in the figure:

[0035] 1-first connecting rod body; 11-insertion section; 111-sunken groove; 112-strip-shaped connecting part; 113-first strip-shaped vertical groove; 114-movable slot; 1141-inclined groove part; 115-first sliding block; 2-second connecting rod body; 21- accommodating cavity; 211-limiting channel; 212-adjusting cavity; 2121-adjusting cavity wall; 3-adjusting assembly; 31-adjusting block; 311-second strip-shaped vertical groove; 32-scissor-type hinged assembly; 321-central hinged shaft; 322-scissor-type rod group; 3221-first hinged rod; 3222-second hinged rod; 3223-first hinged column; 3224-second hinged column; 33-driving member; 331-bidirectional screw rod; 332-sliding rod. DETAILED DESCRIPTION

[0036] In order for those skilled in the art to better understand the scheme of the present application, the technical scheme in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should belong to the scope of protection of the present application.

[0037] Embodiment 1: please refer to Figures 1-10 The present application provides a connecting rod structure based on automobile assembly, which comprises a first connecting rod body 1, a second connecting rod body 2, a bushing, a bearing and an adjusting assembly 3 with locking function. One end of the first connecting rod body 1 is connected with one end of the second connecting rod body 2 through sliding insertion. The adjusting assembly 3 is used to drive the relative sliding between the first connecting rod body 1 and the second connecting rod body 2, so as to produce the expansion and contraction change of the length of the connecting rod.

[0038] The embodiment is based on the above setting, when small compression ratio or high compression ratio is needed, the first connecting rod body 1 and the second connecting rod body 2 can be driven to slide towards each other or slide away from each other by adjusting the adjusting assembly 3, the length of the connecting rod is changed to obtain variable compression ratio; when the compression ratio is adjusted to the required compression ratio, the adjusting assembly 3 stops working, the length of the connecting rod remains unchanged, at this time, the compression ratio remains constant.

[0039] One end of the first connecting rod body 1 is formed with a plug-in section 11 relative to the second connecting rod body 2, the other end of the second connecting rod body 2 is formed with an open receiving cavity 21 relative to the first connecting rod body 1, the receiving cavity 21 includes a limiting channel 211 which is in sliding fit with the plug-in section 11, and an adjusting cavity 212; the adjusting assembly 3 is arranged in the adjusting cavity 212.

[0040] The embodiment is based on the above setting, the plug-in section 11 of the first connecting rod body 1 is inserted in the limiting channel 211 of the receiving cavity 21 to limit the sliding direction of the first connecting rod body 1, when the length of the connecting rod is adjusted, the first connecting rod body 1 can be controlled to slide in the limiting channel 211 by the adjusting assembly 3, so that the length adjustment of the whole connecting rod can be realized.

[0041] As shown in Figures 3-5 The adjusting assembly 3 includes a pair of adjusting blocks 31, a driving member 33 and a scissor type hinged assembly 32, the pair of adjusting blocks 31 are symmetrically and slidingly arranged on the left and right sides of the plug-in section 11 in the adjusting cavity 212, and the pair of adjusting blocks 31 can be synchronously slid relative to or away from each other along the direction perpendicular to the extension and contraction direction of the connecting rod under the driving of the driving member 33.

[0042] The scissor type hinged assembly 32 includes a center hinged shaft 321, and a pair of scissor type rod groups 322 which are symmetrically arranged on the front and rear sides of the plug-in section 11 (as shown in Figure 5 The pair of scissor type rod groups 322 include a first hinged rod 3221 and a second hinged rod 3222 which are staggered and crossed, the center hinged shaft 321 penetrates the crossing positions of the first hinged rod 3221 and the second hinged rod 3222 of the pair of scissor type rod groups 322, and the two ends of the center hinged shaft 321 are fixedly connected with the adjusting cavity wall 2121 (as shown in Figure 1 .

[0043] The first articulated rod 3221 and the second articulated rod 3222 are rotationally provided with a first articulated column 3223 near one end of the insertion section 11; the first articulated rod 3221 and the second articulated rod 3222 are rotationally provided with a second articulated column 3224 near one end of the adjusting block 31; the first articulated column 3223 is in sliding connection with the insertion section 11, and the second articulated column 3224 is in sliding connection with the corresponding adjusting block 31; and when a pair of the adjusting blocks 31 slide synchronously in opposite directions, the two first articulated columns 3223 on the scissor rod group 322 can move in opposite directions on the insertion section 11, and the two second articulated columns 3224 on the scissor rod group 322 can slide along the telescopic direction of the connecting rod on the corresponding adjusting block 31.

[0044] Based on the above arrangement, the present application can drive a pair of the adjusting blocks 31 to slide in opposite directions by the driving member 33, so as to make the first articulated rod 3221 and the second articulated rod 3222 of the two scissor rod groups 322 swing around the central articulated shaft 321; in the swinging process of the first articulated rod 3221 and the second articulated rod 3222, the first articulated column 3223 can drive the first connecting rod body 1 to slide in the limiting channel 211, so as to realize the length adjustment of the connecting rod as a whole.

[0045] Specifically, when it is needed to shorten the length of the connecting rod, a pair of the adjusting blocks 31 move synchronously in opposite directions, the included angle between the first articulated rod 3221 and the second articulated rod 3222 of the scissor rod group 322 increases, and the first articulated column 3223 of the scissor rod group 322 can drive the first connecting rod body 1 to move in the limiting channel 211 towards the adjusting cavity 212, so as to shorten the overall length of the connecting rod.

[0046] When it is needed to increase the length of the connecting rod, a pair of the adjusting blocks 31 move synchronously in opposite directions, the included angle between the first articulated rod 3221 and the second articulated rod 3222 of the scissor rod group 322 decreases, and the first articulated column 3223 of the scissor rod group 322 can drive the first connecting rod body 1 to move in the limiting channel 211 away from the adjusting cavity 212, so as to increase the overall length of the connecting rod.

[0047] It is to be supplemented that, since the two ends of the center hinge shaft 321 are fixedly connected with the adjusting cavity wall 2121 respectively, the "fulcrum" position is always kept unchanged, in the process of synchronous movement of the pair of adjusting blocks 31 in opposite directions, the second hinge column 3224 of the scissors type rod set 322 can slide downward on the adjusting block 31 along the telescopic direction of the connecting rod, and the two first hinge columns 3223 of the scissors type rod set 322 can move in opposite directions on the plug-in section 11; while in the process of synchronous movement of the pair of adjusting blocks 31 in opposite directions, the second hinge column 3224 of the scissors type rod set 322 can slide upward on the adjusting block 31 along the telescopic direction of the connecting rod, and the two first hinge columns 3223 of the scissors type rod set 322 can move in opposite directions on the plug-in section 11, so that the first hinge rod 3221 and the second hinge rod 3222 can normally swing, and the movement of the first connecting rod body 1 in the limiting channel 211 is completed.

[0048] In the embodiment, the spacing between the first hinge column 3223 and the center hinge shaft 321 is smaller than the spacing between the second hinge column 3224 and the center hinge shaft 321.

[0049] In the embodiment, the driving member 33 comprises a bidirectional screw rod 331 horizontally penetrating through the bottom of the pair of adjusting blocks 31, and a sliding rod 332 horizontally penetrating through the top of the pair of adjusting blocks 31, and the bidirectional screw rod 331 is threadedly connected with the pair of adjusting blocks 31 respectively.

[0050] Based on the above settings, when it is needed to adjust the opposite or opposite movement of the pair of adjusting blocks 31, only the bidirectional screw rod 331 needs to be rotated (the screw threads at the two ends are opposite in rotation direction), and the opposite or opposite movement of the pair of adjusting blocks 31 can be completed through the bidirectional threads of the bidirectional screw rod 331 and the threads of the pair of adjusting blocks 31, and the threads have a self-locking function, so that when the bidirectional screw rod 331 stops rotating, the pair of adjusting blocks 31 can stop moving.

[0051] The first hinged rod 3221 and the second hinged rod 3222 of the scissor rod group 322 in the application can form a lever structure, wherein the center hinged shaft 321 can be a fulcrum, and in the first hinged rod 3221 and the second hinged rod 3222, the part between the second hinged column 3224 and the center hinged shaft 321 can be a long arm, and the part between the first hinged column 3223 and the center hinged shaft 321 can be a short arm; during the adjustment of the overall length of the connecting rod, the long arm is driven to rotate by a pair of adjusting blocks 31, and the short arm drives the first connecting rod body 1 to move in the limiting channel 211, which on the one hand reduces the operating load of the driving part, that is, the rotation torque of the bidirectional screw 331, and on the other hand, during the working process of the connecting rod, when the first connecting rod body 1 is subjected to pressure or tension (frequently subjected to pressure and tension during the connecting rod process), the first connecting rod body 1 will exert pressure or tension at the end of the short arm, and when the pressure or tension is transmitted to the end of the long arm, it can be greatly reduced to avoid the pressure or tension received by the first connecting rod body 1 being directly transmitted to the pair of adjusting blocks 31, so that the pair of adjusting blocks 31 is subjected to a larger force, thereby causing the threads of the bidirectional screw 331 to be damaged, which not only prolongs the service life of the bidirectional screw 331, but also ensures the stability during the working process of the connecting rod.

[0052] It should be noted that the rotation of the bidirectional screw 331 can be achieved by installing a DC motor at one end of the bidirectional screw 331, and the DC motor drives the bidirectional screw 331 to rotate. In use, the DC motor can respond to external signals to control the quantitative rotation of the bidirectional screw 331, thereby achieving precise control of the length of the connecting rod.

[0053] In the embodiment, the two sides of the insertion section 11 are symmetrically provided with recesses 111, and the insertion section 11 between the two recesses 111 forms a strip-shaped connecting part 112; a pair of scissor rod groups 322 are respectively arranged in the two recesses 111, and a first strip-shaped vertical groove 113 is arranged at the center position of the strip-shaped connecting part 112, and the center hinged shaft 321 passes through the first strip-shaped vertical groove 113 and is adapted to the first strip-shaped vertical groove 113;

[0054] The strip-shaped connecting part 112 above the first strip-shaped vertical groove 113 is symmetrically provided with a movable groove 114, and the movable groove 114 is slidably fitted with a first sliding block 115, as Figure 5 shown, the two ends of the two first sliding blocks 115 are fixedly connected with the two first hinged columns 3223, respectively;

[0055] The adjusting block 31 is provided with a second strip-shaped vertical groove 311, and the second strip-shaped vertical groove 311 is slidably provided with a second sliding block, and the two ends of the two second sliding blocks are fixedly connected with the two second hinged columns 3224, respectively.

[0056] Based on the above design, during the sliding process of the first connecting rod 1 in the limiting channel 211, the central hinge shaft 321 and the two first hinge pins 3223 of the pair of scissor rod groups 322 can perform three-point positioning of the first connecting rod 1 to prevent the first connecting rod 1 from radially swinging relative to the second connecting rod 2 during the working process.

[0057] In this embodiment, the movable slot 114 is horizontally positioned.

[0058] Example 2: As Figures 6-10 As shown, based on Embodiment 1, the movable groove 114 is inclined, and the pair of movable grooves 114 are in an inverted V-shape. Compared with the horizontally arranged movable groove 114 in Embodiment 1, the inclined design of the movable groove 114 in this embodiment can, on the one hand, increase the adjustment range of the connecting rod length, and on the other hand, prevent the first connecting rod body 1 from swinging left and right relative to the second connecting rod body 2 during operation.

[0059] Specifically, such as Figures 9-10 As shown, where, Figure 9 and Figure 10 The first hinge rod 3221 and the second hinge rod 3222 both swing at the same angle. Figure 9 In this context, H represents the distance that the first link 1 moves; Figure 10 H1 in the figure represents the distance the first connecting rod 1 moves; during the swinging of the first hinge rod 3221 and the second hinge rod 3222 around the central hinge axis 321, the first hinge pin 3223 of the first hinge rod 3223 makes circular motion around the central axis of the central hinge axis 321. During this process, the first hinge pin 3223 will undergo longitudinal and lateral displacement, such as... Figure 9 As shown, in Embodiment 1, the movable slot 114 is set horizontally. Therefore, the longitudinal displacement of the first hinge column 3223 is the distance that the first connecting rod 1 moves relative to the second connecting rod 2 (the change in the length of the connecting rod).

[0060] And such Figure 9 As shown, in this embodiment, the movable groove 114 is designed with an inclination. Therefore, the distance that the first connecting rod 1 moves relative to the second connecting rod 2 (the change in the length of the connecting rod) is the longitudinal displacement of the first hinge column 3223, plus the distance that the first hinge column 3223 pushes the second connecting rod 2 to move during the lateral displacement (it can be understood that if the first hinge column 3223 only moves laterally, it will also push the second connecting rod 2 to move during this process).

[0061] Further, if the penetration direction of the movable slot 114 is horizontal, the first connecting rod body 1 can swing forward and backward relative to the second connecting rod body 2 during the working process. For this purpose, in the penetration direction of the movable slot 114, the movable slot 114 comprises symmetrically and obliquely arranged inclined slot portions 1141, the two inclined slot portions 1141 are in the shape of inverted eight characters, and correspondingly, the first sliding block 115 is an eight-character shaped sliding block matching the shape of the inclined slot portions 1141, as shown in Figure 8 This embodiment can avoid the first connecting rod body 1 swinging forward and backward relative to the second connecting rod body 2 during the working process, thereby avoiding affecting the stability requirement of the connecting rod working process.

[0062] The above is only the preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can make equivalent replacements or changes according to the technical solution and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A kind of automobile assembly-based connecting rod structure, including first connecting rod body, second connecting rod body, bush, bearing and locking function's adjusting assembly, one end of the first connecting rod body is connected with the sliding insertion of one end of second connecting rod body, the adjusting assembly is used to drive the relative sliding between first connecting rod body and second connecting rod body, to generate the telescopic change of connecting rod length; characterized in that The one end of the first connecting rod body relative to second connecting rod body forms insertion section, the inside of the one end of the second connecting rod body relative to first connecting rod body forms open receiving cavity, the receiving cavity includes the limiting channel of sliding fit with insertion section, and adjusting cavity; The adjusting assembly is arranged in adjusting cavity, it includes a pair of adjusting block, scissor type hinged assembly and driving piece, a pair of the adjusting block symmetrically slidingly fitted in the left and right sides of insertion section in adjusting cavity, and a pair of the adjusting block can be driven by driving piece along the direction perpendicular to the relative or opposite synchronous sliding of connecting rod telescopic; The scissor type hinged assembly includes center hinge shaft, and symmetrically arranged scissor type rod group on the front and back of insertion section, the scissor type rod group includes first hinged rod and second hinged rod arranged staggered and cross, the center hinge shaft passes through the cross of first hinged rod and second hinged rod of a pair of scissor type rod group, and the two ends of center hinge shaft are fixedly connected with adjusting cavity wall respectively; The one end of first hinged rod and second hinged rod close to insertion section is rotatably provided with first hinged column;The one end of first hinged rod and second hinged rod close to the adjusting block is rotatably provided with second hinged column, the interval between first hinged column and center hinge shaft is less than the interval between second hinged column and center hinge shaft;The first hinged column is slidably connected with the insertion section, and the second hinged column is slidably connected with the corresponding adjusting block; And when a pair of the adjusting block relative or opposite synchronous sliding, two first hinged columns on scissor type rod group can be moved on insertion section, and two second hinged columns on scissor type rod group can be slid along the direction of connecting rod telescopic on corresponding adjusting block; The driving piece includes bidirectional screw rod horizontally penetrating the bottom of a pair of the adjusting block, and sliding rod horizontally penetrating the top of a pair of the adjusting block, and the bidirectional screw rod is threadedly connected with a pair of the adjusting block respectively; The two sides of insertion section are symmetrically provided with sink groove, and the insertion section between two sink grooves forms strip-shaped connecting part; The first strip-shaped connecting part above first strip-shaped vertical groove is symmetrically penetrated by movable groove, and the first sliding block is slidably fitted in the movable groove, and the two ends of two first sliding blocks are fixedly connected with two first hinged columns respectively; The second strip-shaped vertical groove is slidably arranged in the second strip-shaped vertical groove, and the two ends of two second sliding blocks are fixedly connected with two second hinged columns respectively; The groove is obliquely arranged, and a pair of movable grooves are in inverted V shape; In the penetration direction of movable groove, the movable groove includes symmetrically and obliquely arranged inclined groove part, and two inclined groove parts are in inverted V shape.

2. The automobile assembly-based link structure according to claim 1, characterized by A pair of scissor type rod groups are respectively in two sink grooves, the first strip-shaped vertical groove is arranged in the central position of strip-shaped connecting part, and the center hinge shaft passes through the first strip-shaped vertical groove and is fitted with the first strip-shaped vertical groove.

3. The automobile assembly-based linkage structure according to claim 1, characterized by The active slot is horizontally arranged. The active slot is horizontally arranged.

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