CN107269673A - A kind of shifting wire drawing joint design - Google Patents
A kind of shifting wire drawing joint design Download PDFInfo
- Publication number
- CN107269673A CN107269673A CN201710525112.2A CN201710525112A CN107269673A CN 107269673 A CN107269673 A CN 107269673A CN 201710525112 A CN201710525112 A CN 201710525112A CN 107269673 A CN107269673 A CN 107269673A
- Authority
- CN
- China
- Prior art keywords
- wire drawing
- block
- fastener
- pull bar
- wedge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C1/00—Flexible shafts; Mechanical means for transmitting movement in a flexible sheathing
- F16C1/10—Means for transmitting linear movement in a flexible sheathing, e.g. "Bowden-mechanisms"
- F16C1/12—Arrangements for transmitting movement to or from the flexible member
- F16C1/14—Construction of the end-piece of the flexible member; Attachment thereof to the flexible member
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/36—Generation or transmission of movements for final actuating mechanisms with at least one movement being transmitted by a cable
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Revetment (AREA)
Abstract
The invention discloses a kind of shifting wire drawing joint design, including:Wire drawing termination pull bar, the first end of wire drawing termination pull bar is provided with the first fastener in outer circumference surface, and the second end of wire drawing termination pull bar is connected with wire drawing;Contiguous block, the first end of the contiguous block is provided with accommodating chamber, the accommodating chamber in the contiguous block first end end face provided with the first opening, the accommodating chamber is in offering the second opening on the outer circumference surface of the contiguous block;Clamping block, the clamping block is detachably secured on the outer circumference surface of the contiguous block, the inwall of the clamping block is provided with the second fastener coordinated with first fastener, and first fastener and the second fastener coordinate wire drawing termination pull bar being fixed in the accommodating chamber.The present invention replaces with bolt connection of the prior art the clamping of first fastener and the second fastener, and installation step is simple, and then reduces assembly difficulty.
Description
Technical field
The present invention relates to technical field of automobile parts, particularly a kind of shifting wire drawing joint design.
Background technology
Now, auto industry, particularly car, for the comfortableness requirement of the gear shift mechanism related to driver's operation
Under more and more higher, existing manufacture level, speed changer end shifting wire drawing mounting bracket, shifting wire drawing its length and speed change
Operating mechanism shifting wire drawing installation site is present compared with high tolerance, causes shift handle position off-design position, causes choosing
Shift-feel is deteriorated, or even causes shifting clamping stagnation or difficulty.
As shown in Figure 1 selects gear shift wire drawing joint design in the prior art, by wire drawing termination pull bar 1 ' in contiguous block 2 '
Groove in movable adjust length of string.U of the stud end of regulating bolt 3 ' through the centre of wire drawing termination pull bar 1 '
Type hole, is connected by screw bolts with contiguous block 2 ', passes through the effect of tightening of regulating bolt 3 ', it is ensured that wire drawing termination pull bar 1 ', contiguous block
2 ' relative positions are constant, and then ensure that wire drawing is not moved.
The shortcoming of this connected mode is:
1st, the bad control of screwing force:Screwing force is excessive to cause bolt to slide tooth, parts damages etc.;Screwing force is too small, then can lead
Wire drawing termination pull bar length change is caused, is rocked in contiguous block inside grooves.
2nd, bolts assemblies man-hour is increased.
The content of the invention
It is an object of the invention to provide a kind of shifting wire drawing joint design, to solve bolt connecting mode in the prior art
The technical problem of the bad control of screwing force caused, while reducing assembly difficulty, reduces installation time.
The invention provides a kind of shifting wire drawing joint design, including:
Wire drawing termination pull bar, the first end of wire drawing termination pull bar is provided with the first fastener in outer circumference surface, described
Second end of wire drawing termination pull bar is connected with wire drawing;
Contiguous block, the first end of the contiguous block is provided with accommodating chamber, and the accommodating chamber is in the end of the contiguous block first end
Face is provided with the first opening, and the accommodating chamber is in offering the second opening on the outer circumference surface of the contiguous block;
Clamping block, the clamping block is detachably secured on the outer circumference surface of the contiguous block, the clamping block it is interior
Wall is provided with the second fastener coordinated with first fastener, and first fastener and the second fastener coordinate with by described in
Wire drawing termination pull bar is fixed in the accommodating chamber.
Shifting wire drawing joint design as described above, these, it is preferred to, first fastener and second card
Component is the straight thread cooperated.
Shifting wire drawing joint design as described above, these, it is preferred to, the both sides of second opening are convexly equipped with
Wedge-shaped limited block group, the clamping block is concavely provided with the first buckling groove, the second buckling groove and the 3rd buckling groove, first clamping
Groove and the 3rd buckling groove are symmetricly set in the both sides of second buckling groove, and the straight thread is formed at second clamping
Projection assembles the limit of conjunction with the wedge-shaped limited block on the inwall of the bottom of groove, first buckling groove and the 3rd buckling groove
Position projection.
Shifting wire drawing joint design as described above, these, it is preferred to, the wedge-shaped limited block group is included along institute
State the first wedge and the second wedge that the excircle face ring of contiguous block is set, first wedge, second wedge
Close to the described second opening.
Shifting wire drawing joint design as described above, these, it is preferred to, the spacing block set is wedge structure, institute
State the lozenges of spacing block set and the lozenges of the wedge-shaped limited block group cooperatively forms a pair of sliding guiding surfaces.
Shifting wire drawing joint design as described above, these, it is preferred to, the first end of wire drawing termination pull bar
End is formed with limiting stand, and the limiting stand is circular cone trapezium structure, and its two ends trimming, core is provided with fluting.
Shifting wire drawing joint design as described above, these, it is preferred to, it is equipped with use on the inwall of the accommodating chamber
In the annular boss of limitation wire drawing termination pull bar play.
Shifting wire drawing joint design as described above, these, it is preferred to, the bottom of second buckling groove is provided with solid
Determine block, the first side of the fixed block and the bottom profile of second buckling groove match, the second side of the fixed block with
The external diameter of the first end of wire drawing termination pull bar matches, and second fastener is formed at the second side of the fixed block.
Shifting wire drawing joint design as described above, these, it is preferred to, the clamping block is provided with lightening hole.
Compared with prior art, bolt connection of the prior art is replaced with the first fastener and the second engaging by the present invention
The clamping of part, installation step is simple, and then reduces assembly difficulty.
Brief description of the drawings
Fig. 1 is the axonometric drawing for selecting gear shift wire drawing joint design in the prior art;
Fig. 2 is integrally-built axonometric drawing of the invention;
Fig. 3 is the axonometric drawing of contiguous block;
Fig. 4 is the axonometric drawing of clamping block;
Fig. 5 is the axonometric drawing of wire drawing termination pull bar;
Fig. 6 is the sectional view under confined state of the present invention.
Description of reference numerals:
11- wire drawings termination pull bar, the fasteners of 12- first, 13- limiting stands, 14- flutings;
21- contiguous blocks, 22- accommodating chambers, 23- first is open, and 24- second is open, 25- annular boss, the wedge shapes of 26- first
Block, the wedges of 27- second, 28- ball cups;
31- clamping blocks, the fasteners of 32- second, the buckling grooves of 33- first, the buckling grooves of 34- second, the buckling grooves of 35- the 3rd, 36-
Spacing block set, 37- fixed blocks, 38- lightening holes;
41- gearbox rocking arms;
1 '-wire drawing termination pull bar, 2 '-contiguous block, 3 '-regulating bolt.
Embodiment
The embodiments described below with reference to the accompanying drawings are exemplary, is only used for explaining the present invention, and can not be construed to
Limitation of the present invention.
Reference picture 2 is to Fig. 6, The embodiment provides a kind of shifting wire drawing joint design, including:Wire drawing termination
Pull bar 11, the first end of wire drawing termination pull bar 11 is provided with the first fastener 12 in outer circumference surface, and the wire drawing termination is drawn
Second end of bar 11 is connected with wire drawing.
Contiguous block 21, the first end of the contiguous block 21 is provided with accommodating chamber 22, and the accommodating chamber 22 is in the contiguous block 21
The end face of first end is provided with the first opening 23, and the accommodating chamber 22 on the outer circumference surface of the contiguous block 21 in offering second
When opening 24, wire drawing termination pull bar 11 and the fixation of contiguous block 21, the first end of wire drawing termination pull bar 11 is prolonged by the first opening 23
Stretch into the accommodating chamber 22;Second end of contiguous block 21, which is provided with ball cup 28, ball cup 28, is provided with spherical neck, gearbox
Rocker arm 41 is realized with ball cup 28 by ball rod and is connected.
Clamping block 31, the clamping block 31 is detachably secured on the outer circumference surface of the contiguous block 21, the clamping
The inwall of block 31 is provided with the second fastener 32 coordinated with first fastener 12, and first fastener 12 and second engages
Part 32 coordinates wire drawing termination pull bar 11 being fixed in the accommodating chamber 22.
The operation principle of above-described embodiment is:Wire drawing termination pull bar 11 is extended into accommodating chamber 22 by the first opening 23,
The first fastener 12 for extending into accommodating chamber 22 is located exactly at the lower section of the second opening 24, and wire drawing termination pull bar 11 reaches predetermined dress
During with position, the second fastener 32 of shackle member is extended into the second opening 24, is realized and is fixed with the first fastener 12, from
And the technical problem for the bad control of screwing force that bolt connecting mode in the prior art is caused is solved, while it is difficult to reduce assembling
Degree, reduces installation time.
One of ordinary skill in the art is it is readily conceivable that the snap fit of the first fastener 12 and the second fastener 32 has
Many kinds, the mode such as fixture block and neck, the present embodiment in order to which wire drawing termination pull bar 11 is firmly secured on contiguous block 21,
Prevent it from occurring device for elimination of axial-and radial-play in use, first fastener 12 and second fastener 32 are preferably
The straight thread of mutual cooperation, both straight thread intermeshings are fixed.
Clamping block 31 is fixed on contiguous block 21 with dismountable fixed form, and it requires easy to loading and unloading and fixed,
Reference picture 3 and Fig. 4, the both sides of second opening 24 are convexly equipped with wedge-shaped limited block group, and the clamping block 31 is concavely provided with the
One buckling groove 33, the second buckling groove 34 and the 3rd buckling groove 35, first buckling groove 33 and the 3rd buckling groove 35 are symmetrical
The both sides of second buckling groove 34 are arranged at, the straight thread is formed at the bottom of second buckling groove 34, described first
Projection assembles the spacing block set 36 of conjunction with the wedge-shaped limited block on the inwall of buckling groove 33 and the 3rd buckling groove 35.Assembling
When, what first buckling groove 33 and the 3rd buckling groove 35 were caught in the contiguous block 21 is located at the second 24 both sides side walls of opening
On, second buckling groove 34 gos deep into the second opening 24, and spacing block set 36 is slipped over after the lozenges of wedge-shaped limited block group, forms solid
Straight thread on fixing limit, the straight thread and clamping block 31 of wire drawing termination pull bar 11 is now intermeshed just, by wire drawing termination
Pull bar 11 is fixedly connected with contiguous block 21.
In order to prevent clamping block 31 from losing and be easy to assembling, the wedge-shaped limited block group is included along the contiguous block 21
Excircle face ring the first wedge 26 and the second wedge 27 that set, second wedge 27 of the first wedge 26
Close to the described second opening 24, when spacing block set 36 is caught in the first 26 back of wedge, the clamping block 31 is fixed on described
On contiguous block 21, but it is now gripping orientation, the retractable adjustment position in accommodating chamber 22 of wire drawing termination pull bar 11,
The purpose for the arrangement is that in order to which clamping block 31 is pre-assembled on contiguous block 21, in order to continue assembling, being drawn in wire drawing termination
Bar 11 is extended into behind the precalculated position of accommodating chamber 22, as long as pushing clamping block 31, clamping block 31 is continued to slide over into the second wedge
27 lozenges, and formed fixation it is spacing, at this time the straight thread on the straight thread of wire drawing termination pull bar 11 and clamping block 31 this
When be intermeshed just, wire drawing termination pull bar 11 is fixedly connected with contiguous block 21.Pass through straight thread mating reaction, it is ensured that cable wire
Termination pull bar can not be moved forward and backward in accommodating chamber 22.And then make it that wire drawing termination pull bar 11, the relative position of contiguous block 21 are constant,
Wire drawing is not moved.From the purpose of not up to fixed length of string.
In order that the locking process for obtaining spacing block set 36 is more smooth, the spacing block set 36 is wedge structure, the limit
The position lozenges of projection 36 and the lozenges of the wedge-shaped limited block group are cooperatively formed under a pair of sliding guiding surfaces, clamping block 31
During pressure, the lozenges of the lozenges of the spacing block set 36 and the wedge-shaped limited block group cooperates, and so descends pressure drag
Power reduces, and clamping process is smooth.
As the optimal technical scheme of the present embodiment, the end of the first end of wire drawing termination pull bar 11 forms limited location
Platform 13, the limiting stand 13 is circular cone trapezium structure, and its two ends trimming, core is provided with fluting 14, due to limiting stand 13
Pyramidal structure so that wire drawing termination pull bar 11 is easily accessible the inner chamber of contiguous block 21, and is difficult to deviate from.
Reference picture 6, in order to prevent wire drawing termination pull bar 11 from being rocked in accommodating chamber 22.Ring on the inwall of the accommodating chamber 22
Provided with the annular boss 25 for limiting the play of wire drawing termination pull bar 11.
Reference picture 4, in order that the wire drawing termination pull bar 11 that clamping block 31 adapts to a variety of external diameters is obtained, second buckling groove
34 bottom is provided with fixed block 37, and the first side of the fixed block 37 and the bottom profile of second buckling groove 34 match,
Second side of the fixed block 37 and the external diameter of the first end of wire drawing termination pull bar 11 match, second fastener 32
It is formed at the second side of the fixed block 37.Fixed block 37 is so set to dismountable structure, it is convenient to exchange, to adapt to difference
Application scenario.
As the optimal technical scheme of the present embodiment, the clamping block 31 is provided with lightening hole 38, to reduce car body weight,
Lightening hole 38 can also be used as wire harness passing-hole simultaneously.
The present invention the course of work be:
It is that clamping block 31 does not block when the first wedge 26 of the spacing block set 36 on clamping block 31 and contiguous block 21 coordinates
Tight state.Now, the first wedge 26 limitation clamping block 31 is deviate from, and the straight thread of wire drawing termination pull bar 11 is straight with clamping block 31
Screw thread is unmated.Wire drawing termination pull bar 11 can be moved in accommodating chamber 22.
During assembling, after length of string regulation to the size needed, clamping block 31 is pressed so that the limit convex on clamping block 31
Block 36 at the second wedge 27 of contiguous block 21 with coordinating.Now clamping block 31 is gripping orientation.Second wedge 27 limitation card
Connect block 31 to deviate from, the straight thread of wire drawing termination pull bar 11 coordinates with the straight thread of clamping block 31.Pass through straight thread mating reaction, it is ensured that draw
Silk termination pull bar 11 can not be moved forward and backward in accommodating chamber 22.And then cause wire drawing termination pull bar 11, the relative position of contiguous block 21
Constant, wire drawing is not moved.So as to reach the purpose of fixed length of string.
Construction, feature and the action effect of the present invention, above institute is described in detail according to the embodiment shown in schema above
Only presently preferred embodiments of the present invention is stated, but the present invention is not to limit practical range shown in drawing, it is every according to structure of the invention
Want made change, or be revised as the equivalent embodiment of equivalent variations, still without departing from specification with illustrating during covered spirit,
All should be within the scope of the present invention.
Claims (9)
1. a kind of shifting wire drawing joint design, it is characterised in that:Including:
Wire drawing termination pull bar (11), the first end of wire drawing termination pull bar (11) is provided with the first fastener in outer circumference surface
(12), the second end of wire drawing termination pull bar (11) is connected with wire drawing;
Contiguous block (21), the first end of the contiguous block (21) is provided with accommodating chamber (22), and the accommodating chamber (22) is in the connection
The end face of block (21) first end is provided with the first opening (23), and the accommodating chamber (22) is in the outer circumference surface of the contiguous block (21)
On offer the second opening (24);
Clamping block (31), the clamping block (31) is detachably secured on the outer circumference surface of the contiguous block (21), the card
The inwall for connecing block (31) is provided with the second fastener (32) coordinated with first fastener (12), first fastener (12)
Coordinate wire drawing termination pull bar (11) being fixed in the accommodating chamber (22) with the second fastener (32).
2. shifting wire drawing joint design according to claim 1, it is characterised in that:First fastener (12) and institute
The straight thread for stating the second fastener (32) to cooperate.
3. shifting wire drawing joint design according to claim 1, it is characterised in that:The both sides of second opening (24)
Wedge-shaped limited block group is convexly equipped with, the clamping block (31) is concavely provided with the first buckling groove (33), the second buckling groove (34) and
Three buckling grooves (35), first buckling groove (33) and the 3rd buckling groove (35) are symmetricly set in second buckling groove
(34) both sides, the straight thread is formed at the bottom of second buckling groove (34), first buckling groove (33) and described
Projection assembles the spacing block set (36) of conjunction with the wedge-shaped limited block on the inwall of 3rd buckling groove (35).
4. shifting wire drawing joint design according to claim 3, it is characterised in that:The wedge-shaped limited block group includes edge
The first wedge (26) and the second wedge (27) that the excircle face ring of the contiguous block (21) is set, first wedge
(26) second wedge (27) is close to the described second opening (24).
5. shifting wire drawing joint design according to claim 3, it is characterised in that:The spacing block set (36) is wedge shape
The lozenges of structure, the lozenges of the spacing block set (36) and the wedge-shaped limited block group cooperatively forms a pair of slidings and is oriented to tiltedly
Face.
6. shifting wire drawing joint design according to claim 1, it is characterised in that:Wire drawing termination pull bar (11)
The end of first end is formed with limiting stand (13), and the limiting stand (13) is circular cone trapezium structure, its two ends trimming, core
Provided with fluting (14).
7. shifting wire drawing joint design according to claim 1, it is characterised in that:On the inwall of the accommodating chamber (22)
It is equipped with the annular boss (25) for limiting wire drawing termination pull bar (11) play.
8. shifting wire drawing joint design according to claim 3, it is characterised in that:The bottom of second buckling groove (34)
Portion is provided with fixed block (37), and the first side of the fixed block (37) and the bottom profile of second buckling groove (34) match,
Second side of the fixed block (37) and the external diameter of the first end of wire drawing termination pull bar (11) match, second engaging
Part (32) is formed at the second side of the fixed block (37).
9. shifting wire drawing joint design according to claim 8, it is characterised in that:The clamping block (31), which is provided with, to be subtracted
Repeated hole (38).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710525112.2A CN107269673B (en) | 2017-06-30 | 2017-06-30 | A kind of shifting wire drawing joint structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710525112.2A CN107269673B (en) | 2017-06-30 | 2017-06-30 | A kind of shifting wire drawing joint structure |
Publications (2)
Publication Number | Publication Date |
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CN107269673A true CN107269673A (en) | 2017-10-20 |
CN107269673B CN107269673B (en) | 2019-08-06 |
Family
ID=60070244
Family Applications (1)
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CN201710525112.2A Active CN107269673B (en) | 2017-06-30 | 2017-06-30 | A kind of shifting wire drawing joint structure |
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CN (1) | CN107269673B (en) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201141387Y (en) * | 2007-12-20 | 2008-10-29 | 上海干巷汽车镜(集团)有限公司 | Inhaul cable adjustable device |
CN201144951Y (en) * | 2007-12-20 | 2008-11-05 | 上海干巷汽车镜(集团)有限公司 | Backstay cable adjusting device |
CN203717602U (en) * | 2014-02-14 | 2014-07-16 | 安徽江淮汽车股份有限公司 | Adjustable gear selecting and shifting pull rope connector |
CN204113868U (en) * | 2014-09-28 | 2015-01-21 | 上海迪由控制系统有限公司 | Drag-line fast insertion type joint |
-
2017
- 2017-06-30 CN CN201710525112.2A patent/CN107269673B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201141387Y (en) * | 2007-12-20 | 2008-10-29 | 上海干巷汽车镜(集团)有限公司 | Inhaul cable adjustable device |
CN201144951Y (en) * | 2007-12-20 | 2008-11-05 | 上海干巷汽车镜(集团)有限公司 | Backstay cable adjusting device |
CN203717602U (en) * | 2014-02-14 | 2014-07-16 | 安徽江淮汽车股份有限公司 | Adjustable gear selecting and shifting pull rope connector |
CN204113868U (en) * | 2014-09-28 | 2015-01-21 | 上海迪由控制系统有限公司 | Drag-line fast insertion type joint |
Also Published As
Publication number | Publication date |
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CN107269673B (en) | 2019-08-06 |
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