CN103231348B - A kind of fast slotting coupling assembling - Google Patents
A kind of fast slotting coupling assembling Download PDFInfo
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- CN103231348B CN103231348B CN201310167518.XA CN201310167518A CN103231348B CN 103231348 B CN103231348 B CN 103231348B CN 201310167518 A CN201310167518 A CN 201310167518A CN 103231348 B CN103231348 B CN 103231348B
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- connector
- inner chamber
- briquetting
- hole
- sidewall
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Abstract
The invention discloses a kind of fast slotting coupling assembling, comprise the first connector being provided with inner chamber, and and the second connector of matching of the first connector inner chamber, described second connector is provided with inner chamber, the sidewall of described second connector is provided with through hole, the sidewall of described first connector is provided with locating slot, be provided with in the through hole of described second connector sidewall diameter larger than the second connector sidewall thickness, place kick for coordinating with locating slot; Also be provided with the briquetting matched with the second connector inner chamber, the sidewall of described briquetting is provided with groove; The matching relationship of described groove and the second connector is as follows: described briquetting has one when the through hole of concave slot sports to the second connector, and place kick departs from and falls into the enable possition between groove and through hole from locating slot.Assemble mechanism of the present invention, can realize guide pillar and the quick-detachment between tapered sleeve A, B, C, is installed on corresponding guide pillar by piston ring batch.
Description
Technical field
The invention belongs to connector field, more precisely, relate to a kind of push-in coupling assembling.
Background technology
Engine piston needs to assemble oil ring, second gas ring and top compression ring, is open elastic ring body.At present, piston ring of automobile engine assembling uses hand assembled, artificial pure hand assembled piston ring, and both hands hold the two ends of piston ring respectively, outwards pull open piston ring, makes piston ring dehisce to increase, puts it in piston.Hand assembled due to piston ring opening angle uncontrollable, easily occur that opening angle is excessive and cause piston ring breakage to damage phenomenon, simultaneously owing to being manually assemble one by one, do not possess the function of anti-misloading.
And manual frock of the prior art, general employing is fixedly connected with, and lacks the flexibility of installing.
Summary of the invention
The present invention, in order to solve problems of the prior art, provides a kind of fast slotting coupling assembling.
In order to realize above-mentioned object, technical scheme of the present invention is: a kind of fast slotting coupling assembling, comprise the first connector being provided with inner chamber, and and the second connector of matching of the first connector inner chamber, described second connector is provided with inner chamber, the sidewall of described second connector is provided with through hole, and the sidewall of described first connector is provided with locating slot, be provided with in the through hole of described second connector sidewall diameter larger than the second connector sidewall thickness, place kick for coordinating with locating slot; Also be provided with the briquetting matched with the second connector inner chamber, the sidewall of described briquetting is provided with groove; The matching relationship of described groove and the second connector is as follows: described briquetting has one when the through hole of concave slot sports to the second connector, place kick departs from and falls into the enable possition between groove and through hole from locating slot, and the sidewall of briquetting upper groove is in the ramped shaped of opening; Described second connector is also provided with housing, and described second connector is fixed on the termination of housing by the flange that its termination is arranged; Also be provided with the handle being packed in briquetting Flange-shaped Parts termination, described handle extends to another free termination of housing; What described handle was arranged by its termination screws in the internal thread of briquetting Flange-shaped Parts termination setting.
Preferably, the retracting spring that crush block resets also is provided with.
Preferably, the inner chamber of described second connector comprises the first inner chamber and the second inner chamber successively, the internal diameter of described first inner chamber is greater than the internal diameter of the second inner chamber, and described retracting spring is arranged between the step that the termination of briquetting Flange-shaped Parts and the first inner chamber, the second inner chamber formed in its junction.
Preferably, also be provided with the position limiting structure for limiting briquetting motion path in the second connector inner chamber, comprise the second through hole be arranged on the second connector sidewall, and the kidney-shaped through hole be arranged on briquetting, also comprise and being fixed on the second through hole also through the alignment pin of kidney-shaped through hole on briquetting.
Preferably, described external screw thread is also provided with for regulating, locking described externally threaded adjusting nut.
Preferably, described first connector is cylindric; The locating slot of described first connector sidewall is cannelure.
Assemble mechanism of the present invention, the diameter of place kick is greater than the wall thickness of briquetting sidewall, is namely that place kick can some be exposed at outside through hole all the time in through hole.When the piston ring on guide pillar be finished need filling time, or when needing to change tapered sleeve according to the difference of piston model, promote briquetting to advance in the inner chamber of tapered sleeve, when the concave slot sports of briquetting is to the position of through hole, is communicated with the movable passageway of place kick, place kick can be made to depart from from locating slot, and snap between groove and through hole, achieve the unblock between guide pillar and tapered sleeve, thus tapered sleeve can be taken out from guide pillar, be convenient to the tapered sleeve loading piston ring or change different model.Load complete or after choosing tapered sleeve, tapered sleeve stretched in the inner chamber of guide pillar, and slide to make through hole and locating slot corresponding, now, promote briquetting, the place kick in groove entered between locating slot and through hole, achieves the connection of tapered sleeve and guide pillar.
Accompanying drawing explanation
Fig. 1 shows the structural representation of assemble mechanism of the present invention.
Fig. 2 shows the front view of assemble mechanism of the present invention.
Fig. 3 show A-A in Fig. 2 to sectional view.
Fig. 4 shows the top view of Fig. 2.
Fig. 5 shows the partial enlarged drawing at A place in Fig. 4.
Fig. 6 shows the fast sectional view inserting coupling assembling in Fig. 1.
Fig. 7 shows the sectional view of briquetting in Fig. 6.
Detailed description of the invention
The technical problem solved to make the present invention, the technical scheme of employing, the technique effect obtained should be readily appreciated that, below in conjunction with concrete accompanying drawing, are described further the specific embodiment of the present invention.
With reference to figure 1, the assemble mechanism of a kind of engine piston ring of the present invention, it comprises bearing 1 and is packed in the multiple harness bodies above bearing 1, and the quantity of harness body is determined according to the quantity of piston upper piston annular groove.The present invention, for three piston ring grooves, is respectively oil ring groove, top compression ring groove, second gas ring groove.Therefore the quantity of harness body is three on bearing 1, three harness bodies are horizontally fixed on this bearing 1.Bearing 1 mainly plays a support, and harness body of the present invention also directly can be fixed on work top and carry out work.
Described each harness body comprises the guide pillar 3 and tapered sleeve that link together, tapered sleeve structure in the present invention's three harness bodies is roughly the same, external diameter increases from the link of itself and guide pillar 3 gradually to its free end, namely in certain tapering, the preferred tapering of the present invention is 5 °, and piston ring can be avoided to cause piston ring to damage owing to dehiscing excessive in assembling process.The surface roughness of tapered sleeve and guide pillar is preferably Ra0.8, can avoid expecting on the piston ring with assembling process in scratch piston ring.
Tapered sleeve in three harness bodies be respectively tapered sleeve A4 for coordinating with oil ring groove, for the tapered sleeve B5 of second gas ring slot fit, tapered sleeve C6 for coordinating with the 3rd road compression, the free termination of described each tapered sleeve has the mating cavity 100 penetrated for piston termination, this mating cavity 100 and piston clearance coordinate, and piston can be allowed freely to penetrate and extract.With reference to figure 2, Fig. 3, the different place of three tapered sleeves is that the degree of depth of respective mating cavity is different, i.e. the degree of depth of tapered sleeve free termination mating cavity in each harness body, and on piston, corresponding piston ring groove matches to the distance of piston end surface.In more detail, in tapered sleeve A4, the degree of depth of mating cavity 100 equals the distance of oil ring groove to piston end surface, and like this, when assembling, piston extend in mating cavity, only exposes the piston ring groove of needs assembling in the termination of tapered sleeve; Similarly, mating cavity 100 degree of depth of tapered sleeve B5 termination equals the distance of second gas ring groove to piston end surface, piston only exposes second gas ring groove when assembling, mating cavity 100 degree of depth of tapered sleeve C6 termination equals the distance of top compression ring groove to piston end surface, and piston only exposes top compression ring groove when assembling.Can according to the degree of depth of mating cavity 100, (or from left to right) order arrangement three harness bodies degressively from right to left, thus the correctness of oil ring, second gas ring and top compression ring rigging position can be ensured.
Assemble mechanism of the present invention, in the assembling process of piston ring, first assembles oil ring, refill and join second gas ring, finally assemble top compression ring, and ensure that per pass piston ring only exposes a piston ring groove when assembling, effectively ensure the correctness of piston ring rigging position.With reference to figure 3, Fig. 4, Fig. 5, multiple oil ring 16, second gas ring 17, top compression ring 18 are preferentially enclosed within respective guide pillar 3, during assembling, operator arrests on the other hand piston 19 and aims at mating cavity 100 on tapered sleeve A4, and hold out against piston 19, now the oil ring groove 190 of piston 19 just aims at the edge of tapered sleeve A4, another hand drags corresponding oil ring 16 to tapered sleeve A4, oil ring 16 opens slightly by during tapered sleeve A4, when departing from tapered sleeve A4 Deng oil ring 16, oil ring 16 returns to reset condition, slips into exactly in oil ring groove 190.Oil ring 16 assembles rear assembling second gas ring 17, according to above-mentioned same method, makes second gas ring groove aim at tapered sleeve B5 termination, completes the assembling of second gas ring 17; Oil ring 16 and second gas ring 17 assemble rear assembling top compression ring 18.
Assemble mechanism of the present invention, structure is simple, and piston ring is pre-assembled on guide pillar 3, and preferably, the length of each guide pillar 3 ensures 100 road piston rings at least can be housed.When using, piston ring is slided into connected tapered sleeve from guide pillar 3, piston ring is opened along with the change of tapering on tapered sleeve, thus finally slides in corresponding piston ring groove, easy and simple to handle, and the correctness of assembling can be kept.
The preferred structure of the present invention is: with reference to figure 3, the free termination of described tapered sleeve also comprises a cylindrical portion 20, above-mentioned for stretching into the inner chamber that the mating cavity 100 of piston is this cylindrical portion 20, the constant cylindrical portion of one external diameter 20 is set in the termination of tapered sleeve, can make piston ring after tapered sleeve expansion to a certain degree, cylindrical portion 20 slide, until fall into corresponding piston ring groove, for piston ring provides one section of level and smooth path, also serve the effect of buffering simultaneously.
With reference to figure 1, bearing 1 of the present invention is fixed on ground or work top by fot screw, and the height of bearing 1 meets ergonomics, and the top of bearing 1 can also be provided with a discharging box 2, the size of magazine 2 makes the little magazine can placing three standards, is respectively used to place corresponding piston ring.
Harness body of the present invention, its rear end by guide pillar 3 is fixed on bearing 1, such as, connect bearing 1 by soket head cap screw.Guide pillar 3 on this harness body and tapered sleeve can be by two independently parts link together, be such as together by a threaded connection.Can also by push-in anatomical connectivity together.This push-in structure can adopt technology known in the art, such as buckle etc.
The invention provides a kind of fast slotting coupling assembling 7, with reference to figure 6, structure is as follows: this guide pillar 3 is a sleeve, and the outer wall of tapered sleeve and the inner chamber of guide pillar match, namely this tapered sleeve can with the inner chamber matched in clearance of guide pillar 3, make tapered sleeve can slide (extract out or put in) in the inner chamber of guide pillar 3.This tapered sleeve is hollow structure, and the sidewall of described tapered sleeve inner chamber is provided with through hole 810, and this through hole 810 can be the side of only through tapered sleeve, preferably the sidewall of its both sides through.The sidewall of the inner chamber of described guide pillar 3 is provided with locating slot, be provided with in the through hole 810 of described tapered sleeve sidewall diameter larger than tapered sleeve sidewall thickness, place kick 15 for coordinating with locating slot; When tapered sleeve moves to, the locating slot on its through hole 810 and guide pillar inwall just can be snapped in locating slot place kick during correspondence 15, thus tapered sleeve and guide pillar 3 are coupled together.It is as follows that extruding place kick 15 snaps in the structure of locating slot: be also provided with one and the briquetting 12 that matches of tapered sleeve inner chamber, the sidewall of described briquetting 12 is provided with the groove 1211 fallen into for place kick; The matching relationship of briquetting 12 and tapered sleeve is: described briquetting 12 has one when groove 1211 moves to the through hole 810 of tapered sleeve, and place kick 15 comes off and is stuck in the enable possition between groove 1211 and through hole 810 from locating slot.
Assemble mechanism of the present invention, the diameter of place kick 15 is greater than the wall thickness of briquetting 12 sidewall, that is, place kick 15 can some be exposed at outside through hole 810 all the time in through hole 810.By the sidewall of briquetting 12, place kick 15 is squeezed between the locating slot and the through hole 810 of tapered sleeve sidewall of guide pillar 3, tapered sleeve and guide pillar 3 are linked together.When the piston ring on guide pillar 3 be finished need filling time, or when needing to change tapered sleeve according to the difference of piston model, promote briquetting 12, briquetting 12 is advanced in the inner chamber of tapered sleeve, when the groove 1211 of briquetting 12 moves to the position of through hole 810, be communicated with the movable passageway of place kick 15, place kick 15 can be made to depart from from locating slot, and snap between groove 1211 and through hole 810, achieve the unblock between guide pillar 3 and tapered sleeve, thus tapered sleeve can be taken out from guide pillar 3, be convenient to the tapered sleeve loading piston ring or change different model.Load complete or after choosing tapered sleeve, tapered sleeve stretched in the inner chamber of guide pillar 3, and slide to make through hole 810 and locating slot corresponding, now, promote briquetting 12, the place kick 15 in groove 1211 is entered between locating slot and through hole 810, achieves the connection of tapered sleeve and guide pillar.
State as shown in Figure 6, can also be provided with the retracting spring 9 that crush block 12 resets, this retracting spring 9 can adopt technology known in the art to assemble, such as, briquetting 12 can be resetted etc. in conjunction with the parts of periphery.
The inner chamber of tapered sleeve of the present invention comprises the first inner chamber 83 and the second inner chamber 84 successively, and the internal diameter being positioned at the first inner chamber 83 of termination is greater than the internal diameter of the second inner chamber 84, makes to form a step in its junction.Briquetting 12 comprises briquetting body 121 and is positioned at the Flange-shaped Parts termination 120 of briquetting body 121 upper end.In the first inner chamber 83 that briquetting body 121 stretches into tapered sleeve and the second inner chamber 84.Retracting spring 9 is enclosed within briquetting body 121, and the Flange-shaped Parts termination 120 being arranged on briquetting is close in its one end, and the other end is close on the step that the first inner chamber 83, second inner chamber 84 formed in its junction, achieves the reset of briquetting 12 in tapered sleeve.Pass to prevent briquetting 12, position limiting structure for limiting briquetting 12 motion path in tapered sleeve inner chamber also can be set, it comprises the second through hole 811 be arranged on tapered sleeve sidewall, and the kidney-shaped through hole 1210 be arranged on briquetting body 121, also comprise and being fixed on the second through hole 811 also through the alignment pin 14 of kidney-shaped through hole 1210 on briquetting.Namely, at briquetting 12 in motion process, the two ends of its kidney-shaped through hole 1210 can coordinate with the alignment pin 14 be fixed on tapered sleeve, thus can limit the motion path of briquetting 12 on two direction, and namely the length of kidney-shaped through hole 12 determines the motion path of this briquetting 12 in tapered sleeve.
Direction as shown in Figure 6, when needs unlock time, promote briquetting 12 to move downward, briquetting 12 compresses retracting spring 9 and makes groove 1211 and through hole 810 correspondence, when place kick 15 unlocks time, it takes out by hand-held tapered sleeve from guide pillar 3, again after filling piston ring, tapered sleeve is penetrated in guide pillar 3, and make through hole 810 and locating slot correspondence, unclamp briquetting 12, it is made to reset under the elastic restoring force of retracting spring 9, in the process resetted, the sidewall extrusion place kick 15 of groove 1211, it is made tapered sleeve and guide pillar 3 to be locked, continue to reset, now, briquetting body 121 is positioned at the position of groove 1211 both sides together with through hole 810 correspondence.
Groove 1211 of the present invention, it comprises bottom land and sidewall, in order to can successfully this place kick 15 be squeezed out from groove 1211, its sidewall in the ramped shaped 1211a opened, with reference to figure 7.
For the ease of operation briquetting, be also provided with the handle 11 being packed in briquetting Flange-shaped Parts termination 120, this handle 11 extends to another free termination of tapered sleeve, presses this handle 11 and can realize the motion of briquetting 12 in tapered sleeve.This handle 11 screws in the internal thread of briquetting Flange-shaped Parts termination 120 setting by the external screw thread 110 that its termination is arranged.This external screw thread 110 also can be provided with one for regulating, locking the adjusting nut 10 of external screw thread 110, the fit system between adjusting nut 10 and external screw thread 110, briquetting Flange-shaped Parts termination 120 belongs to existing technology, repeats no more its structure at this.
Fast slotting coupling assembling 7 of the present invention, it not only can be applicable in the assemble mechanism of piston ring, also can be applicable to the technical field that other are relevant, this is inserted coupling assembling soon and can separate from tapered sleeve, namely, be the first connector with guide pillar 3, be the second connector with tapered sleeve, locating slot is arranged on the inwall of the first connector, and through hole 810, second through hole 811 is arranged on the second connector, by with the coordinating of briquetting 12, achieve coordinating of the first connector and the second connector.
In a specific embodiment of assemble mechanism of the present invention, this first connector is guide pillar 3, second connector is that the tubular axis of guide 8, first inner chamber 83, second inner chamber 84, through hole 810, first through hole 811 matched with guide pillar 3 inner chamber is all arranged on this tubular axis of guide 8.Can comprise axis of guide body 81 at this tubular axis of guide 8 and be positioned at the Flange-shaped Parts termination 80 of axis of guide body 81 one end, this Flange-shaped Parts termination is fixed on the termination of tapered sleeve by bolt 13.Achieve the connection of itself and guide pillar 3.
The present invention is by preferred embodiment having carried out detailed explanation.But, by studying carefully above, to the change of each embodiment with to increase also be that one of ordinary skill in the art institute is apparent.Being intended that all these changes and increasing of applicant has all dropped in scope that the claims in the present invention protect.
Similar numbering refers to similar element in the whole text.For clarity, the situation of some line, layer, element, parts or feature being amplified may be had in the accompanying drawings.
Term used herein is only and is illustrated specific embodiment, and it is also not intended to limit the invention.Unless otherwise defined, all terms used herein (comprising technical term and scientific terminology) are all identical with the understanding of one of ordinary skill in the art of the present invention.
Claims (6)
1. insert coupling assembling soon for one kind, comprise the first connector being provided with inner chamber, and and the second connector of matching of the first connector inner chamber, described second connector is provided with inner chamber, the sidewall of described second connector is provided with through hole, the sidewall of described first connector is provided with locating slot, be provided with in the through hole of described second connector sidewall diameter larger than the second connector sidewall thickness, place kick for coordinating with locating slot; Also be provided with the briquetting matched with the second connector inner chamber, the sidewall of described briquetting is provided with groove; The matching relationship of described groove and the second connector is as follows: described briquetting has one when the through hole of concave slot sports to the second connector, place kick departs from and falls into the enable possition between groove and through hole from locating slot, it is characterized in that: the sidewall of briquetting upper groove is in the ramped shaped of opening; Described second connector is also provided with housing, and described second connector is fixed on the termination of housing by the flange that its termination is arranged; Also be provided with the handle being packed in briquetting Flange-shaped Parts termination, described handle extends to another free termination of housing; What described handle was arranged by its termination screws in the internal thread of briquetting Flange-shaped Parts termination setting.
2. coupling assembling according to claim 1, is characterized in that: be also provided with the retracting spring that crush block resets.
3. coupling assembling according to claim 2, it is characterized in that: the inner chamber of described second connector comprises the first inner chamber and the second inner chamber successively, the internal diameter of described first inner chamber is greater than the internal diameter of the second inner chamber, and described retracting spring is arranged between the step that the termination of briquetting Flange-shaped Parts and the first inner chamber, the second inner chamber formed in its junction.
4. coupling assembling according to claim 3, it is characterized in that: be also provided with the position limiting structure for limiting briquetting motion path in the second connector inner chamber, comprise the second through hole be arranged on the second connector sidewall, and the kidney-shaped through hole be arranged on briquetting, also comprise and being fixed on the second through hole also through the alignment pin of kidney-shaped through hole on briquetting.
5. coupling assembling according to claim 4, is characterized in that: described external screw thread is also provided with for regulating, locking described externally threaded adjusting nut.
6. coupling assembling according to claim 1, is characterized in that: described first connector is cylindric; The locating slot of described first connector sidewall is cannelure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310167518.XA CN103231348B (en) | 2013-05-08 | 2013-05-08 | A kind of fast slotting coupling assembling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310167518.XA CN103231348B (en) | 2013-05-08 | 2013-05-08 | A kind of fast slotting coupling assembling |
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| Publication Number | Publication Date |
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| CN103231348A CN103231348A (en) | 2013-08-07 |
| CN103231348B true CN103231348B (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310167518.XA Active CN103231348B (en) | 2013-05-08 | 2013-05-08 | A kind of fast slotting coupling assembling |
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| CN (1) | CN103231348B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106426000B (en) * | 2016-11-08 | 2018-05-18 | 北京星航机电装备有限公司 | A kind of steel ball installation tool |
| CN109638544B (en) * | 2019-01-16 | 2024-09-24 | 贵州贵安新区东江科技有限公司 | Round misplug-proof electric connector |
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| GB167064A (en) * | 1920-07-03 | 1921-08-04 | Louis Wearden | Means for securing and releasing an internal ring or the like in and from an outer body casing |
| CN200999780Y (en) * | 2007-01-12 | 2008-01-02 | 王宝玲 | Separate type inserted pin gripping apparatus |
| CN202360967U (en) * | 2011-10-20 | 2012-08-01 | 昆山沅亨管阀件有限公司 | Single plug-in type quick joint structure |
| CN202411872U (en) * | 2011-12-15 | 2012-09-05 | 济南吉利汽车有限公司 | Clamp location pin mechanism |
| CN203221458U (en) * | 2013-05-08 | 2013-10-02 | 安徽江淮汽车股份有限公司 | Fast-inserted connection assembly |
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| JPH10193278A (en) * | 1996-12-27 | 1998-07-28 | Makita Corp | Motor-driven screwdriver |
| JP2005036951A (en) * | 2003-07-17 | 2005-02-10 | Koichi Suzumori | Mechanism of fixing and releasing shaft or pipe sliding in inner diameter of pipe |
| CN201092024Y (en) * | 2007-06-01 | 2008-07-30 | 防震力兴业股份有限公司 | Sleeve-joint equipment |
| JP5379452B2 (en) * | 2008-11-17 | 2013-12-25 | 不二空機株式会社 | Fastening tool |
| US8622401B2 (en) * | 2009-02-27 | 2014-01-07 | Black & Decker Inc. | Bit retention device |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB167064A (en) * | 1920-07-03 | 1921-08-04 | Louis Wearden | Means for securing and releasing an internal ring or the like in and from an outer body casing |
| CN200999780Y (en) * | 2007-01-12 | 2008-01-02 | 王宝玲 | Separate type inserted pin gripping apparatus |
| CN202360967U (en) * | 2011-10-20 | 2012-08-01 | 昆山沅亨管阀件有限公司 | Single plug-in type quick joint structure |
| CN202411872U (en) * | 2011-12-15 | 2012-09-05 | 济南吉利汽车有限公司 | Clamp location pin mechanism |
| CN203221458U (en) * | 2013-05-08 | 2013-10-02 | 安徽江淮汽车股份有限公司 | Fast-inserted connection assembly |
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| CN103231348A (en) | 2013-08-07 |
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Address after: Hefei City, Anhui Province, 230022 East Road No. 176 Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: Hefei City, Anhui Province, 230022 East Road No. 176 Patentee before: Anhui Jianghuai Automobile Co., Ltd. |
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Address after: 230601 No. 99 Ziyun Road, Hefei Economic and Technological Development Zone, Anhui Province Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230022 No. 176 Dongliu Road, Hefei City, Anhui Province Patentee before: Anhui Jianghuai Automobile Group Limited by Share Ltd |
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