CN112046403A

CN112046403A - Ejector rod structure

Info

Publication number: CN112046403A
Application number: CN202010834551.3A
Authority: CN
Inventors: 张超泉; 李乐; 张红梅; 李季; 杜魏魏; 温敏; 怀自力; 陈伟
Original assignee: Anhui Jianghuai Automobile Group Corp
Current assignee: Anhui Jianghuai Automobile Group Corp
Priority date: 2020-08-17
Filing date: 2020-08-17
Publication date: 2020-12-08
Anticipated expiration: 2040-08-17
Also published as: CN112046403B

Abstract

The invention discloses a mandril structure which is used for fixing data acquisition equipment of an automobile, and comprises a mandril part and a pressing part, wherein the end part of the mandril part is used for being abutted against one side of the automobile; the pressing portion comprises an elastic piece and a pressing assembly, one end of the elastic piece is fixed to the ejector rod portion, the other end of the elastic piece is fixed to the pressing assembly, and one end, far away from the elastic piece, of the pressing assembly is used for being abutted to the other side of the automobile through elastic force of the elastic piece. The ejector rod structure enables the data acquisition equipment to be fixed relative to the automobile, reduces the fluctuation of acquired data and improves the acquisition precision.

Description

Ejector rod structure

Technical Field

The invention relates to the field of automobiles, in particular to a push rod structure.

Background

In the process of matching and developing the drivability and the power of the automobile, information such as acceleration and speed of the automobile in different directions needs to be accurately acquired, and the information is used for matching and developing the power assembly and the drivability of the whole automobile. The data acquisition equipment must really feed back the motion track of the whole vehicle, and the requirement on the direction X, Y, Z is high.

The existing data acquisition equipment is directly placed on a moving automobile, the acquired data has large fluctuation, and the acquisition precision is seriously influenced, so that serious misleading is brought to the development process.

Disclosure of Invention

The invention mainly aims to overcome the defects and provide a mandril structure, aiming at solving the problem that the data acquisition equipment cannot be fixed when placed in an automobile in the prior art, so that the acquired data is inaccurate.

In order to achieve the above object, the present invention provides a push rod structure for fixing a data acquisition device of an automobile, the push rod structure comprising:

the top rod part comprises a top rod part, and the end part of the top rod part is used for being abutted against one side of the automobile;

the pressing part comprises an elastic piece and a pressing assembly, one end of the elastic piece is fixed to the ejector rod part, the other end of the elastic piece is fixed to the pressing assembly, and the pressing assembly is far away from one end of the elastic piece and used for enabling the elastic force of the elastic piece to be abutted to the other side of the automobile.

Optionally, the ejector rod portion includes dead lever and scalable connection in the telescopic link of dead lever, the tip of dead lever be used for with the car butt, the telescopic link with the elastic component is fixed.

Optionally, the compressing assembly comprises a compressing piece and a handle connected with the compressing piece, the compressing piece and one end of the elastic piece far away from the telescopic rod are fixed, and one end of the compressing piece far away from the elastic piece is used for being abutted to the automobile through elastic force of the elastic piece.

Optionally, a via hole is formed in the telescopic rod, the handle penetrates through the via hole and is hinged to the pressing piece, a cam is arranged on the handle, the telescopic rod is located at the upper end portion of the via hole and is used for abutting against a butt joint block abutted against the cam, and the cam is used for abutting against the butt joint block when the handle rotates so as to drive the pressing piece to compress the elastic piece.

Optionally, the compressing part comprises a compressing rod and a sliding block, the compressing rod is used for being abutted to the automobile, the sliding block is in sliding contact with the telescopic rod, a hinge shaft is fixed on the sliding block, and the handle is hinged to the hinge shaft.

Optionally, the top rod part further comprises a fastener, and the telescopic rod and the fixed rod are fixed through the fastener.

Optionally, an accommodating cavity is formed at one end of the telescopic rod, which is far away from the fixing rod, and the elastic piece is located in the accommodating cavity.

Optionally, the telescopic link includes first pole section and second pole section, first pole section is formed with hold the chamber, the elastic component is kept away from compress tightly the one end of subassembly with first pole section is fixed, first pole section with the connection can be dismantled to the second pole section, the second pole section with dead lever telescopic connection.

Optionally, the end of the ejector rod part is provided with a base used for being abutted to the automobile, the base is in a circular truncated cone shape, one surface of the base used for being abutted to the automobile is a first abutting surface, and the base is gradually expanded towards the first abutting surface.

Optionally, a pressing seat is formed at one end, away from the elastic part, of the pressing assembly, the pressing seat is in a circular truncated cone shape, one surface, which is used for being abutted to the automobile, of the pressing seat is a second abutting surface, and the pressing seat is gradually expanded towards the second abutting surface.

According to the technical scheme, the ejector rod structure comprises an ejector rod part and a pressing part, when data acquisition equipment is required to acquire automobile data, the end part of the ejector rod part is abutted against one side of an automobile, then the elastic part is compressed, a certain gap is formed between the pressing component and the other side of the automobile, then the elastic part is released, the pressing component is abutted against the other side of the automobile through the elastic force of the elastic part, fixing between the ejector rod structure and the automobile is achieved, and finally the data acquisition equipment is fixed to the ejector rod structure. Compared with the defect that the existing acquisition equipment cannot be fixed when placed in an automobile, the ejector rod structure enables the data acquisition equipment to be fixed relative to the automobile, reduces the fluctuation of acquired data and improves the acquisition precision.

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 lift pin structure according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of a pressing portion of the ejector pin structure of FIG. 1;

FIG. 3 is a cross-sectional view of the compacting section of FIG. 2;

fig. 4 is a schematic view of the fastener of the stem portion of fig. 1.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				200	Top rod part	300	Pressing part
230	Fixing rod	320	Elastic piece
				210	Telescopic rod	310	Hold down subassembly
211	First pole segment	312	Compressing member
				212	Second pole segment	3120	Sliding block
240	Base seat	3121	Compressing rod
				220	Fastening piece	3122	Articulated shaft
221	Open washer	314	Handle (CN)
				222	Pull rod	313	Cam wheel
250	Via hole	311	Compressing seat
				260	Abutting block	330	Second abutting surface
270	First abutting surface	224	Threaded pin
				222	Pull rod	223	Abutting surface

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 OF EMBODIMENT (S) OF INVENTION

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.

The references to "up" and "down" in the present invention are based on the orientation shown in fig. 1 and are used only to explain the relative positional relationship between the components in the attitude shown in fig. 1, and if the particular attitude is changed, the directional indication is changed accordingly.

As shown in fig. 1, the push rod structure of the present invention is used for fixing a data acquisition device of an automobile, and the push rod structure includes a push rod portion 200, wherein an end of the push rod portion 200 is used for abutting against one side of the automobile; the pressing part 300 comprises an elastic piece 320 and a pressing component 310, one end of the elastic piece 320 is fixed with the ejector rod part 200, the other end of the elastic piece 320 is fixed with the pressing component 310, and one end, far away from the elastic piece 320, of the pressing component 310 is used for being abutted to the other side of the automobile through the elastic force of the elastic piece 320.

Wherein, the compressing part 300 comprises an elastic member 320 and a compressing assembly 310, the lower end of the elastic member 320 is fixed with the top bar part 200, the upper end of the elastic member 320 is fixed with the compressing assembly 310, the upper end of the compressing assembly 310 is abutted against the ceiling of the automobile through the elasticity of the elastic member 320, the ejector rod structure is used for being placed in an automobile, the ejector rod part 200 is arranged on an automobile carpet, the ejector rod part 200 can freely stretch and contract to adjust the length, when the distance between the ram structure and the lower and upper ends of the vehicle is substantially zero in the vehicle by extending the length of the ram portion 200, the length of the hold-down assembly 310 is adjusted, because the elastic member 320 has elasticity, when the elastic member 320 is compressed, a gap is generated between the upper end of the ram structure and the roof of the automobile, and at this time, the ram part 200 is adjusted to enable the ram structure to have no gap basically in the automobile, the jack structure can be fixed to the inside of the automobile due to the principle that the elastic member 320 is compressed and rebounds. It should be noted that, in this embodiment, the jack structure is fixed to the automobile in such a manner that the lower end of the jack portion 200 abuts against the carpet of the automobile and the upper end of the pressing member 310 abuts against the ceiling of the automobile, and in other embodiments, the jack structure is not limited to abutting against the carpet and the ceiling of the automobile, but may abut against the left side and the right side of the automobile, or the front side and the right side of the automobile. This ejector pin structure has solved the unable fixed problem of collection equipment in the car through effectual fixed in the car, by a wide margin has improved the accuracy of data collection.

Specifically, the roof bar portion 200 includes a fixing rod 230 and an expansion rod 210 telescopically coupled to the fixing rod 230, an end of the fixing rod 230 is used to abut against the vehicle, and the expansion rod 210 is fixed to the elastic member 320. The top rod part 200 comprises a fixing rod 230 and a telescopic rod 210, the fixing rod 230 is of a hollow structure, the telescopic rod 210 with a slightly smaller inner diameter can be placed, the telescopic rod 210 is in sliding contact with the fixing rod 230, when the telescopic rod 210 contracts, the pressing part 300 can be driven to move downwards, when the telescopic rod 210 extends, the pressing part 300 can be driven to move upwards, and therefore the extension and the contraction can be achieved through a simple and stable mode. As shown in FIG. 3, the upper end of the telescopic rod 210 is fixed with the elastic member 320, the elastic member 320 is placed inside the telescopic rod 210, and the upper end of the elastic member 320 is connected with the compressing assembly 310.

As shown in fig. 3, the pressing assembly 310 includes a pressing member 312 and a handle 314 connected to the pressing member 312, the pressing member 312 is fixed to an end of the elastic member 320 away from the telescopic rod 210, and an end of the pressing member 312 away from the elastic member 320 is used for abutting against the automobile by an elastic force of the elastic member 320. The pressing piece 312 is located above the elastic piece 320, the top of the pressing piece 312 is abutted to the automobile through the elastic force of the elastic piece 320, the pressing piece 312 is pulled on the handle 314 to compress the elastic piece 320, when the elastic piece 320 is compressed, the length of the telescopic rod 210 is extended until only a narrow gap is reserved between the top of the pressing piece and the automobile, and the elastic piece 320 is compressed to rebound to generate an upward thrust, so that the ejector rod structure is fixed to the automobile, and the operation is convenient. The elastic member 320 is preferably a spring, but is not limited to a spring, and a silicone material or an elastic plastic may be used.

As shown in fig. 2, a through hole 250 is formed in the telescopic rod 210, the handle 314 passes through the through hole 250 and is hinged to the pressing member 312, a cam 313 is arranged on the handle 314, an abutting block 260 for abutting against the cam 313 is arranged at the upper end portion of the telescopic rod 210 located at the through hole 250, and the cam 313 is used for abutting against the abutting block 260 when rotating along with the handle 314 so as to drive the pressing member 312 to compress the elastic member 320. As shown in fig. 2 and fig. 3, the cam 313 is a disc-shaped cam 313, and as the diameter of the disc-shaped cam 313 is increased, the cam 313 abuts against the abutting block 260 of the telescopic rod 210 in the counterclockwise rotating process, when the handle 314 is pulled upwards, the cam 313 rotates counterclockwise, the sliding block 3120 and the pressing rod 3121 are driven to move downwards, the distance between the cam 313 and the abutting block 260 is gradually reduced until no gap exists between the cam 313 and the abutting block 260, and the resilience force of the elastic member 320 is smaller than the friction force between the cam 313 and the abutting block 260, so that self-locking is realized. Under the condition that the elastic element 320 is compressed, the length of the ejector rod part 200 is adjusted, so that when the pressing element 312 and the automobile roof are basically free of a gap, the pull-down handle 314 and the elastic element 320 rebound to generate an upward pushing force, so that the ejector rod structure of the ejector rod part is fixed in the automobile. The manner of compressing the elastic member 320 can be various, as long as the compressing member 312 can be moved and the elastic member 320 can be compressed.

As shown in fig. 3, the pressing member 312 includes a pressing rod 3121 and a sliding block 3120, the pressing rod 3121 is used for abutting against the automobile, the sliding block 3120 is in sliding contact with the telescopic rod 210, a hinge shaft 3122 is fixed on the sliding block 3120, and the handle 314 is hinged to the hinge shaft 3122. The pressing rod 3121 is cylindrical and is located above the sliding block 3120, a threaded hole is formed at the top of the pressing rod 3121 and is connected with the sliding block 3120 in an undetachable manner, the pressing rod 3121 is driven to move up and down when the sliding block 3120 slides up and down, the sliding block 3120 is in sliding contact with the telescopic rod 210, a hinge shaft 31225 is fixed on the sliding block 3120, the sliding block 3120 is hinged to the cam 313 on the handle 314 through the hinge shaft 31225, the handle 314 drives the cam 313 to rotate around the hinge shaft 31225, and the cam 313 is hinged to the sliding block 3120, so that the sliding block 3120 can be driven to move.

As shown in fig. 1 and 4, the top rod part 200 further includes a fastener 220, and the telescopic rod 210 and the fixing rod 230 are fixed by the fastener 220. The telescopic link 210 is fixed with the fixed pole 230 through the fastener 220, the fastener 220 is installed in the opening of fixed pole 230, the fastener includes the pull rod 222, the thread round pin 224, the opening packing ring 221, the pull rod 222 is articulated with the thread round pin 224, the opening packing ring is opened there is the through-hole, the thread round pin 227 passes the through-hole and is connected with opening packing ring 221, it is fixed through threaded connection, when the anticlockwise rotation pull rod, pull rod 222 and butt surface 223 butt, compress opening packing ring 221, realize the fastening function, when needing to extend telescopic link 210, clockwise rotation pull rod 222 no longer compresses opening packing ring 221, realize that telescopic link 210 freely stretches out and draws back, this fixed mode simple structure, the location is stable and is convenient. Optionally, the fixing mode can also be realized by screw thread fixing and clamping belt fixing.

As shown in fig. 3, an accommodating cavity is formed at one end of the telescopic rod 210 away from the fixed rod 230, the elastic member 320 is located in the accommodating cavity, the pressing rod 3121, the sliding block 3120 and the elastic member 320 are placed in the accommodating cavity, the pressing rod 3121, the sliding block 3120 and the accommodating cavity are in sliding contact, the pressing rod 3121 and the sliding block 3120 compress the elastic member 320 when moving downward, and the lower end of the elastic member 320 abuts against the accommodating cavity.

As shown in fig. 1 and 3, the telescopic rod 210 includes a first rod segment 211 and a second rod segment 212, the first rod segment 211 forms a receiving cavity, an end of the elastic member 320 away from the compressing assembly 310 is fixed to the first rod segment 211, the first rod segment 211 is detachably connected to the second rod segment 212, the second rod segment 212 is telescopically connected to the fixing rod 230, a lower end of the first rod segment 2111 is threaded, an upper end of the second rod segment 2122 is threaded, the first rod segment 2111 is threadedly connected to the second rod segment 2122, the receiving cavity is located in the first rod segment 2111, as shown in fig. 3, a step is formed above the thread of the first rod segment 2111, the elastic member 320 is mounted on the step in the receiving cavity of the first rod segment 2111, the first rod segment 2111 is detachably connected to the second rod segment 2122, the fixing rod 230 is hollow, the second rod segment 2122 having a smaller inner diameter than the inner diameter of the receiving cavity can be placed, and the second rod segment 2122 is slidably contacted with the fixing rod 230 and telescopically connected. The connecting mode has simple structure, reliable connection and convenient assembly and disassembly.

As shown in fig. 1, a base 240 for abutting against the automobile is formed at an end of the jack portion 200, the base 240 has a circular truncated cone shape, a surface of the base 240 for abutting against the automobile is a first abutting surface 270, and the base 240 is provided so as to be gradually enlarged in a direction toward the first abutting surface 270. Through the lower tip of ejector pin portion 200 is formed with base 2403 for with the car butt, base 2403 is the round platform shape, and the one side that base 2403 is used for with the car butt is first butt face 270, and base 2403 is the flaring setting to the direction of first butt face 270, and this round platform prevents that dead lever 230 from producing the slip with the car carpet, leads to the installation insecure.

As shown in fig. 3, a pressing base 311 is formed at one end of the pressing assembly 310 away from the elastic element 320, the pressing base 311 is in a circular truncated cone shape, one surface of the pressing base 311 for contacting with the automobile is a second contacting surface 330, and the pressing base 311 is gradually expanded towards the second contacting surface 330. The lower end of the pressure seat 3114 is provided with a screw thread to be connected with the pressure rod 3121 by a screw thread, the pressure seat 3114 is in a circular truncated cone shape, one surface of the pressure seat 3114 for abutting against the automobile is the second abutting surface 330, the pressure seat 3114 is gradually extended in the direction of the second abutting surface 330, and the pressure seat 3114 prevents the fixed rod 230 from sliding with the ceiling of the automobile.

The above description is only a preferred embodiment of the present invention, and 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 push rod structure, its characterized in that, push rod structure is used for the data acquisition equipment of fixed car, the push rod structure includes:

the end part of the ejector rod part is used for being abutted against one side of the automobile;

2. A jack structure according to claim 1, wherein the jack portion includes a fixing rod having an end portion for abutting against the car and a telescopic rod telescopically coupled to the fixing rod, the telescopic rod being fixed to the elastic member.

3. A jack structure according to claim 1, wherein the pressing assembly includes a pressing member and a handle connected to the pressing member, the pressing member is fixed to an end of the elastic member remote from the telescopic rod, and the end of the pressing member remote from the elastic member is adapted to abut against the car by an elastic force of the elastic member.

4. The push rod structure as claimed in claim 3, wherein the telescopic rod is provided with a through hole, the handle passes through the through hole and is hinged to the pressing member, the handle is provided with a cam, the upper end portion of the telescopic rod, which is located at the through hole, is provided with a butting block for butting against the cam, and the cam is used for butting against the butting block when rotating along with the handle so as to drive the pressing member to compress the elastic member.

5. A roof bar structure according to claim 4, characterized in that the pressing member comprises a pressing rod and a slide block, the pressing rod is used for abutting against the automobile, the slide block is in sliding contact with the telescopic rod, a hinge shaft is fixed on the slide block, and the handle is hinged with the hinge shaft.

6. The jack structure of claim 2, wherein the jack portion further comprises a fastener, and the telescopic rod and the fixing rod are fixed by the fastener.

7. A jack structure according to claim 2, wherein an accommodating cavity is formed at an end of the telescopic rod away from the fixing rod, and the elastic member is located in the accommodating cavity.

8. A roof bar structure as claimed in claim 7, wherein the telescopic rod comprises a first rod section and a second rod section, the first rod section is formed with the receiving cavity, one end of the elastic member away from the compression assembly is fixed with the first rod section, the first rod section is detachably connected with the second rod section, and the second rod section is telescopically connected with the fixing rod.

9. A jack structure according to any one of claims 1 to 8, wherein a base for abutting against the automobile is formed at an end of the jack portion, the base has a circular truncated cone shape, a surface of the base for abutting against the automobile is a first abutting surface, and the base is disposed so as to gradually expand in a direction toward the first abutting surface.

10. A push rod structure according to any one of claims 1 to 8, wherein a pressing seat is formed at one end of the pressing assembly, which is far away from the elastic element, the pressing seat is in a shape of a circular truncated cone, one surface of the pressing seat, which is used for being abutted against the automobile, is a second abutting surface, and the pressing seat is gradually expanded towards the second abutting surface.