CN207715496U - A kind of stepless quick-expansion fixation bar assembly - Google Patents

A kind of stepless quick-expansion fixation bar assembly Download PDF

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Publication number
CN207715496U
CN207715496U CN201721800522.5U CN201721800522U CN207715496U CN 207715496 U CN207715496 U CN 207715496U CN 201721800522 U CN201721800522 U CN 201721800522U CN 207715496 U CN207715496 U CN 207715496U
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China
Prior art keywords
loop bar
fixed
nut
fixed link
fixed loop
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CN201721800522.5U
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Chinese (zh)
Inventor
丁珺
冯依睿
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Shanghai Motor Vehicle Inspection Certification and Tech Innovation Center Co Ltd
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Shanghai Motor Vehicle Inspection Certification and Tech Innovation Center Co Ltd
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Abstract

Fix bar assembly the utility model discloses a kind of stepless quick-expansion, it is easy to carry, can step-less adjustment, simple for process, light-weight, be applicable to the occasion of any required push rod, pull rod.Its technical solution is:Component includes fixed link, fixed loop bar, fixing nut, adjusting nut, fixed loop bar attaching nut, fixed link can stretch in fixed loop bar, fixed loop bar is integrally fixed with fixed loop bar attaching nut, fixed link is fastened by fixing nut and fixed loop bar, and fixed link is realized with fixed loop bar by adjusting nut and finely tuned.

Description

A kind of stepless quick-expansion fixation bar assembly
Technical field
The utility model is related to the components for car autopilot, more particularly to stepless quick-expansion function Fixed bar assembly.
Background technology
It is being related to automatic driving field, is needing the component of similar push rod to control the equipment such as throttle, brake pedal, And then control acceleration, deceleration and the brake etc. of automobile.
Realize that the push rod in the device of this function adjusts its length with the distance (grade) at interval of 5mm currently on the market, Structure is that the screw rod in push rod is process by T shapes tooth per 5mm spacing.Therefore, push rod such in actual use needs elder generation It could enter normal operating conditions after eliminating the gaps 5mm by program.
Utility model content
A brief summary of one or more aspects is given below to provide to the basic comprehension in terms of these.This general introduction is not The extensive overview of all aspects contemplated, and be both not intended to identify critical or decisive element in all aspects also non- Attempt to define the range in terms of any or all.Its unique purpose is to provide the one of one or more aspects in simplified form A little concepts are with the sequence for more detailed description given later.
Purpose of the utility model is to solve the above problems and provide a kind of stepless quick-expansions to fix bar assembly, just In carry, can step-less adjustment, simple for process, light-weight, be applicable to the occasion of any required push rod, pull rod.
The technical solution of the utility model is:The utility model discloses a kind of stepless quick-expansion fixation bar assembly, packet Fixed link, fixed loop bar, fixing nut, adjusting nut, fixed loop bar attaching nut are included, fixed link can stretch in fixed loop bar Contracting, fixed loop bar are integrally fixed with fixed loop bar attaching nut, and fixed link is fastened by fixing nut and fixed loop bar, fixed Bar is realized with fixed loop bar by adjusting nut and is finely tuned.
Stepless quick-expansion according to the present utility model fixes an embodiment of bar assembly, and fixed link is by the circle positioned at front end Columnar targeting part, external threaded portion, columned hand grip portion and the long threaded portion positioned at centre form, Wherein external threaded portion connects execution unit, and intermediate long threaded portion is adjustable length.
Stepless quick-expansion according to the present utility model fixes an embodiment of bar assembly, fixed loop bar by its front end outside Screw thread is realized with fixed loop bar attaching nut is threadedly coupled fixation.
Stepless quick-expansion according to the present utility model fixes an embodiment of bar assembly, the pilot hole of fixed loop bar front end Size is equal to fixed link diameter dimension, play the guiding role in fixed link telescopic process, the pore size of fixing sleeve rod rear end is more than The guide hole size of front end.
Stepless quick-expansion according to the present utility model fixes an embodiment of bar assembly, and adjusting nut is with its eccentric orfice edge Fixed link is moved at fixed loop bar attaching nut, move radially adjusting nut make its internal thread engaged with fixed link external screw thread and The two is coaxial, rotating adjusting nut with its screw into fixed loop bar attaching nut internal thread fasten so that adjusting nut with Fixed loop bar attaching nut is integrally formed.
Stepless quick-expansion according to the present utility model fixes an embodiment of bar assembly, and adjusting nut, fixed loop bar connect Connected nut, fixed loop bar three are connected through a screw thread integrally, and rotating adjusting nut generates the relative rotation to fixed link with right The stroke of fixed link is finely adjusted.
Stepless quick-expansion according to the present utility model fixes an embodiment of bar assembly, and fixing nut is with its eccentric orfice edge Fixed link is fast moved to adjusting nut, and moving radially fixing nut makes its internal thread be engaged with fixed link external screw thread and the two Coaxially, rotary fixing screw mother makes its boss stretch into adjusting nut stepped hole to be fastened to raised head face and stepped hole bottom surface, So that fixed link, fixing nut, adjusting nut, fixed loop bar attaching nut and fixed loop bar rigid connection are integrated.
The utility model comparison prior art has following technique effect:The push rod of the utility model when mounted can be with hand It is dynamic to be adjusted to correct working condition position, and the screw rod in push rod is process by metric thread, simple and convenient, craftsmanship It is good.The design of fixing nut and washer in the utility model is equal to conventional nut and the design of washer, to meet tradition Screw thread application method and occasion, screw thread pair can bear larger pulling force, and the utility model is suitable for any required push rod, pull rod Occasion, simple and reasonable, good manufacturability, lighter in weight.
Description of the drawings
After reading the detailed description of embodiment of the disclosure in conjunction with the following drawings, it better understood when that this practicality is new The features described above and advantage of type.In the accompanying drawings, each component is not necessarily drawn to scale, and with similar correlation properties or The component of feature may have same or similar reference numeral.
Figure 1A to 1D shows that the stepless quick-expansion of the utility model fixes the structural representation of an embodiment of bar assembly Figure.
Fig. 2A to 2D shows that the stepless quick-expansion of the present embodiment fixes work of the bar assembly under quick-expansion state Principle schematic.
Fig. 3 A to 3D show that the stepless quick-expansion of the present embodiment fixes operation principle of the bar assembly under fine tuning state Schematic diagram.
Fig. 4 A to 4C show that the stepless quick-expansion of the present embodiment fixes the structural representation of the adjusting nut in bar assembly Figure.
Specific implementation mode
The utility model is described in detail below in conjunction with the drawings and specific embodiments.Note that below in conjunction with attached drawing and tool The aspects of body embodiment description is merely exemplary, and is understood not to carry out the scope of protection of the utility model any Limitation.
Figure 1A is the dimensional structure diagram that the stepless quick-expansion of the utility model fixes an embodiment of bar assembly.Figure 1C is the sectional view along AA of Figure 1B, and Fig. 1 D are the enlarged diagrams in circle in Fig. 1 C.It please refers to Fig.1 shown in A to 1D, this implementation It includes fixed link 1, fixed loop bar 2, fixing nut 3, adjusting nut 4, fixed loop bar that the stepless quick-expansion of example, which fixes bar assembly, Attaching nut 5.The length that fixed link 1 can freely stretch in fixing loop bar 2 and change after the connection of two bars is different to meet Length requirement.Fixed link 1 and fixed loop bar 2 can also make required shape.
In the present embodiment, fixed link 1 is by positioned at the columned targeting part 12 in front end, external threaded portion 11, circle It columnar hand grip portion 13 and is formed positioned at intermediate long threaded portion 14, wherein the external connection of threaded portion 11 executes Component, and intermediate long threaded portion 14 is adjustable length.Fixed loop bar 2 is made front end external screw thread 21 and is connected with fixed loop bar Connected nut 5 is threadedly coupled, is fixed.The size of the pilot hole 22 of fixed loop bar front end is equal to 1 diameter dimension of fixed link, in fixed link It play the guiding role in 1 telescopic process.And the pore size of fixing sleeve rod rear end is more than the ruler for the pilot hole 22 that front end play the guiding role It is very little, it plays and mitigates weight and clear and coherent effect.
Fixed loop bar 2 is integrally fixed with fixed loop bar attaching nut 5, and fixed link 1 passes through fixing nut 3 and fixed loop bar 2 fastenings, fixed link 1 are realized with fixed loop bar 2 by adjusting nut 4 and are finely tuned.Figure 1A to 1D shows fixed link and fixed loop bar It is adjusted to the form being fastened together after required length dimension.
Fig. 2A to 2D shows that the stepless quick-expansion of the present embodiment fixes work of the bar assembly under quick-expansion state Principle.It refers to shown in Fig. 2A to 2D, when fixed link connect original state with fixed loop bar, fixed link 1 is inserted in fixed loop bar 2 In, it is retractable to the approximate dimensions of required length.Then adjusting nut 4 (structure of adjusting nut is as shown in Fig. 4 A to 4C) is inclined with it Heart hole 42 (being more than screw hole dimensions 0.1mm or so) is fast moved to the faces C along fixed link 1 close at the faces D, moves radially adjusting spiral shell Mother 4 makes its internal thread 44 be engaged with fixed link external screw thread (the two is coaxial), and rotating adjusting nut 4 is screwed in its external screw thread 43 and fixed It closes, is fastenedly connected with fixed loop bar attaching nut 5 integral to B, D face paste in 5 internal thread of loop bar attaching nut.
Fig. 3 A to 3D show that the stepless quick-expansion of the present embodiment fixes operation principle of the bar assembly under fine tuning state. It refers to shown in Fig. 3 A to 3D, state and adjusting nut 4, fixed loop bar attaching nut 5, fixed 2 three of loop bar pass through spiral shell at this time Line links into an integrated entity.The generation of rotating adjusting nut 4 can be finely adjusted fixed link stroke the relative rotation of fixed link 1, Determine the length of required bar.By fixing nut 3 with its eccentric orfice 42 (being more than screw hole dimensions 0.1mm or so) along fixed link 1 fast moves to the faces C close at the faces B, move radially fixing nut 3 so that its internal thread is engaged with fixed link external screw thread (the two is same Axis), rotary fixing screw mother 3 makes its boss 31 stretch into adjusting nut stepped hole 41 to the faces C (raised head face) and stepped hole bottom surface (faces E) fitting, fastening.Final fixed link 1, fixing nut 3, adjusting nut 4, fixed loop bar attaching nut 5, fixed loop bar 2 are just Property is connected as one, and the state after connection is shown in Figure 1A.And it acts as anti-for boss 31 and 41 clearance fit of stepped hole Only radially disengaged after 3 stress of fixing nut.
Offer is that can make or use this public affairs to make any person skilled in the art all to the previous description of the disclosure It opens.The various modifications of the disclosure all will be apparent for a person skilled in the art, and as defined herein general Suitable principle can be applied to spirit or scope of other variants without departing from the disclosure.The disclosure is not intended to be limited as a result, Due to example described herein and design, but should be awarded and principle disclosed herein and novel features phase one The widest scope of cause.

Claims (7)

1. a kind of stepless quick-expansion fixes bar assembly, which is characterized in that including fixed link, fixed loop bar, fixing nut, adjusting Nut, fixed loop bar attaching nut, fixed link can stretch in fixed loop bar, and fixed loop bar and fixed loop bar attaching nut are solid Fixed integral, fixed link is fastened by fixing nut and fixed loop bar, and fixed link is realized by adjusting nut with fixed loop bar micro- It adjusts.
2. stepless quick-expansion according to claim 1 fixes bar assembly, which is characterized in that fixed link is by positioned at front end Columned targeting part, external threaded portion, columned hand grip portion and the long threaded portion grouping positioned at centre At wherein external threaded portion connects execution unit, intermediate long threaded portion is adjustable length.
3. stepless quick-expansion according to claim 2 fixes bar assembly, which is characterized in that fixed loop bar passes through its front end External screw thread is realized with fixed loop bar attaching nut is threadedly coupled fixation.
4. stepless quick-expansion according to claim 3 fixes bar assembly, which is characterized in that the guiding of fixed loop bar front end Pore size is equal to fixed link diameter dimension, play the guiding role in fixed link telescopic process, the pore size of fixing sleeve rod rear end is big Guide hole size in front end.
5. stepless quick-expansion according to claim 4 fixes bar assembly, which is characterized in that adjusting nut is with its eccentric orfice It is moved at fixed loop bar attaching nut along fixed link, moving radially adjusting nut makes its internal thread be engaged with fixed link external screw thread And the two is coaxial, rotating adjusting nut is screwed into fixed loop bar attaching nut internal thread with it and is fastened so that adjusting nut It is integrally formed with fixed loop bar attaching nut.
6. stepless quick-expansion according to claim 5 fixes bar assembly, which is characterized in that adjusting nut, fixed loop bar Attaching nut, fixed loop bar three are connected through a screw thread integrally, rotating adjusting nut generation to the relative rotation of fixed link with The stroke of fixed link is finely adjusted.
7. stepless quick-expansion according to claim 6 fixes bar assembly, which is characterized in that fixing nut is with its eccentric orfice It is fast moved to adjusting nut along fixed link, moving radially fixing nut makes its internal thread be engaged with fixed link external screw thread and two Person is coaxial, and rotary fixing screw mother makes its boss stretch into adjusting nut stepped hole to be bonded tightly with stepped hole bottom surface to raised head face Gu so that fixed link, fixing nut, adjusting nut, fixed loop bar attaching nut and fixed loop bar rigid connection are integrated.
CN201721800522.5U 2017-12-20 2017-12-20 A kind of stepless quick-expansion fixation bar assembly Active CN207715496U (en)

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Application Number Priority Date Filing Date Title
CN201721800522.5U CN207715496U (en) 2017-12-20 2017-12-20 A kind of stepless quick-expansion fixation bar assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721800522.5U CN207715496U (en) 2017-12-20 2017-12-20 A kind of stepless quick-expansion fixation bar assembly

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CN207715496U true CN207715496U (en) 2018-08-10

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109210047A (en) * 2017-12-20 2019-01-15 上海机动车检测认证技术研究中心有限公司 A kind of fixed bar assembly of stepless quick-expansion

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109210047A (en) * 2017-12-20 2019-01-15 上海机动车检测认证技术研究中心有限公司 A kind of fixed bar assembly of stepless quick-expansion
CN109210047B (en) * 2017-12-20 2023-10-20 上海机动车检测认证技术研究中心有限公司 Stepless quick telescopic fixed rod assembly

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