CN105186261A - Module integration type needle withdrawing device for electrical connector - Google Patents

Module integration type needle withdrawing device for electrical connector Download PDF

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Publication number
CN105186261A
CN105186261A CN201510668826.XA CN201510668826A CN105186261A CN 105186261 A CN105186261 A CN 105186261A CN 201510668826 A CN201510668826 A CN 201510668826A CN 105186261 A CN105186261 A CN 105186261A
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CN
China
Prior art keywords
push rod
sleeve
left end
withdraw
needle cylinder
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.)
Pending
Application number
CN201510668826.XA
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Chinese (zh)
Inventor
张怀奎
李秀
宋良敏
陈大明
卢一鹏
王斌
杨斌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ziyang CSR Electric Co Ltd
Original Assignee
Ziyang CSR Electric Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ziyang CSR Electric Co Ltd filed Critical Ziyang CSR Electric Co Ltd
Priority to CN201510668826.XA priority Critical patent/CN105186261A/en
Publication of CN105186261A publication Critical patent/CN105186261A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a module integration type needle withdrawing device for an electrical connector, and the device comprises a needle withdrawing cylinder, an ejector rod, a locking ring, a locking nut, a push rod, a sleeve, a spring, and an adjusting nut. The needle withdrawing cylinder is fixedly disposed in a central hole of the locking ring, and the locking ring is disposed at the left end of the sleeve and is fixed through the locking nut. The right end of the ejector rod is provided with a big end step, and is disposed in a hole of the sleeve. The left end passes out from the sleeve towards the left to extend into the needle withdrawing cylinder. The left end of the push rod sequentially passes through the adjusting nut and the spring towards the left in the hole of the sleeve to be connected with the right end of the ejector rod. The left end face of the adjusting nut is attached to a step surface of the hole, and an external thread is in connected with an internal thread of the hole of the sleeve. The right end face of the adjusting nut is attached to a big-end step surface of the right end of the push rod. The device employs a combination design of a part module integration type, and a corresponding needle withdrawing device can be formed through the replacement and combination of a needle withdrawing cylinder, an ejector rod and a locking, which are all matched with each other, thereby achieving a purpose that the device can be suitable for the withdrawing of various types of plug pins and jacks.

Description

A kind of integrated modular pin remover of electrical cnnector
Technical field
The present invention relates to a kind of integrated modular extracting tool, be suitable for electrical cnnector adopting metal or plastics only press from both sides the contact pin of elasticity location, be mainly used in dismounting and the maintenance of the electrical cnnector contact pin in the power-equipments such as motor train unit, rolling stock, subway, boats and ships, aircraft and draw-gear.
Background technology
Because the size of current passed through differs, therefore, the band of electrical cnnector only clamps the pin diameter of position and length has multiple different specification, and the parameter of each Connector Enterprise is have series of one's own substantially.The pin remover that the contact pin of different-diameter, length is used belongs to specific purpose tool, general Jun Shi producer takes the targeted design of specialty, namely an a kind of pin remover of the pin layout of specification, can only dismantle the contact pin of corresponding diameter dimension, is difficult to be obtained by the mode of market purchasing.
Because pin diameter size, length specification differ, how many kinds of contact pin is had just to need to make how many class pin remover.The outer committee that also needs had makes to specialized factory, and procurement cycle is longer.Especially the serial contact pin of minor diameter, the requirement of surface gold-plating, silver-plated process is high, and the bulk of installing location is little, and the accuracy of manufacture of pin remover is higher, and therefore difficulty of processing is very large, and manufacturing cost is higher.
For maintenance and the maintenance of the electrical cnnector contact pin of series multiple on Large-Scale Equipment, if assort the pin remover of all contact pins, required pin remover quantity is just too large, externally carries keeping and uses all inconvenient.And be difficult to when the pin remover of thin-walled breaks down supplement in time, the overhaul efficiency that impact is on-the-spot and timely response after sale.In the face of this predicament, state, inside and outsidely all also there is no better solution at present.
Summary of the invention
Goal of the invention of the present invention is: for above-mentioned Problems existing, provides a kind of integrated modular pin remover of electrical cnnector.
The technical solution used in the present invention is such:
A kind of integrated modular pin remover of electrical cnnector, comprise withdraw of the needle cylinder, push rod, binding ring, locking nut, push rod, sleeve, spring and adjusting nut, described withdraw of the needle cylinder is fixedly installed in the centre bore of binding ring, described binding ring is arranged on sleeve left end and fixes with locking nut, described push rod right-hand member arranges large end stand rank and in the two stage steps hole of sleeve, left end stretches into after passing sleeve left in withdraw of the needle cylinder, described push rod left end is connected with push rod right-hand member with after spring through adjusting nut successively left in the two stage steps hole of sleeve, the step surface in described adjusting nut left side and two stage steps hole is fitted, its external screw thread is connected with the two stage steps hole internal thread of sleeve, the large end stand terrace of its right side and push rod right-hand member is fitted.
As preferably, described withdraw of the needle cylinder is the capillary stainless steel tube of thin-walled.The location that the location of withdraw of the needle cylinder on contact pin only presss from both sides and contraction.Withdraw of the needle cylinder is difficult point and the emphasis of designing and making of the present invention.Because dimension precision requirement is high, the little contact pin of various electrical cnnector uses a variety of specification, and the barrel of the withdraw of the needle cylinder of corresponding often kind of specification is very thin again, and self-control difficulty greatly and in use belong to consumable accessory, needs often to change.Therefore, the seriation high accuracy capillary stainless steel tube selecting specialized factory to draw makes, and apolegamy and replacing fast and easy, can reduce the designing and making cost of withdraw of the needle cylinder greatly.
As preferably, described push rod left end offers short internal taper hole yi word pattern notch, and right-hand member offers internal thread hole, and described push rod left end arranges external thread section, and this external thread section is connected with the internal thread hole of push rod right-hand member.
As preferably, the centre bore of described binding ring is two stage steps hole, left end bore dia and withdraw of the needle cylinder external diameter adopt matched in clearance, rear stomidium coordinates with push rod, fit and carry out axial location in endoporus step surface and withdraw of the needle cylinder right side, the cylindrical left end of described binding ring has tapering and evenly offers several notches in diametric(al), and cylindrical right-hand member is cylindrical section.
As preferably, the endoporus left end of described locking nut has tapering, and with the taper fit of binding ring left end, endoporus right-hand member has internal thread, coordinates with the external thread section of sleeve left end.
As preferably, the cylindrical left end of described locking nut is with tapering.One section of transition arc can also be designed at cylindrical section and conical section, be convenient to processing.
As preferably, described excircle of sleeve adopts annular knurl design.Annular knurl design is convenient to grasp.
As preferably, for the contact pin of different-diameter specification, withdraw of the needle cylinder, push rod and binding ring are adopted seriation Combination Design.By different module Rapid Combination, thus realize kit and can dismantle multiple diameter contact pin not of uniform size, greatly reduce the cost of manufacture of pin remover, the maintenance of electrical cnnector contact pin and dismantle convenient.
In sum, owing to have employed technique scheme, the invention has the beneficial effects as follows:
1, component module integrated form Combination Design is adopted, by changing supporting serial withdraw of the needle cylinder, push rod, binding ring be combined into corresponding pin remover, thus achieve the dismantlement work that a playscript with stage directions pin remover is applicable to the contact pin jack (i.e. male and female contact pin) of plurality of specifications, assembling or renewal part quick, cost of manufacture is low, easy to carry, use also very convenient;
2, for the lengthening contact pin of the band be of little use only folder, can rotate adjusting nut and move backward, drive spring, push rod, push rod to move backward, strengthen pin head and passive distance between only pressing from both sides, dynamic distance is constant, so just can dismantle longer contact pin.Coordinate the compression and back elastic force of spring and the thrust of hand, reach a set of pin remover and can dismantle the electrical cnnector all contact pins only clamping position, the needs that electrical cnnector dismantles contact pin in assembling and repair and maintenance can be responded fast, substantially increase the inspection and maintenance efficiency of product, reduce the purchase cost of pin remover.
Accompanying drawing explanation
Fig. 1 is front sectional view of the present invention.
Fig. 2 is the front sectional view of withdraw of the needle cylinder in the present invention.
Fig. 3 is the front sectional view of push rod in the present invention.
Fig. 4 is the front sectional view of binding ring in the present invention.
Fig. 5 is the left view of binding ring in the present invention.
Fig. 6 is the front sectional view of locking nut in the present invention.
Fig. 7 is contact pin assembling schematic diagram.
Mark in figure: 1 is withdraw of the needle cylinder, and 2 is push rod, and 3 is binding ring, and 4 is locking nut, and 5 is push rod, and 6 is sleeve, and 7 is spring, and 8 is adjusting nut, 9 is location only folder, and 10 is insulation positioning table.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail.
Most preferred embodiment:
As shown in Figure 1, a kind of integrated modular pin remover of electrical cnnector, comprise withdraw of the needle cylinder 1, push rod 2, binding ring 3, locking nut 4, push rod 5, sleeve 6, spring 7 and adjusting nut 8, described withdraw of the needle cylinder 1 is fixedly installed in the centre bore of binding ring 3, described binding ring 3 is arranged on sleeve 6 left end and fixes with locking nut 4, described push rod 2 right-hand member arranges large end stand rank and in the two stage steps hole of sleeve 6, left end stretches into after passing sleeve 6 left in withdraw of the needle cylinder 1, described push rod 5 left end is connected with push rod 2 right-hand member through adjusting nut 8 and spring 7 are rear successively left in the two stage steps hole of sleeve 6, the step surface in described adjusting nut 8 left side and two stage steps hole is fitted, its external screw thread is connected with the two stage steps hole internal thread of sleeve 6, the large end stand terrace of its right side and push rod 5 right-hand member is fitted.
Described withdraw of the needle cylinder 1 is the capillary stainless steel tube of thin-walled, as shown in Figure 2.
Described push rod 2 left end offers short internal taper hole, and right-hand member offers internal thread hole yi word pattern notch, and described push rod 5 left end arranges external thread section, and this external thread section is connected with the internal thread hole of push rod 2 right-hand member, as shown in Figure 3.
The centre bore of described binding ring 3 is two stage steps hole, left end bore dia and withdraw of the needle cylinder 1 external diameter adopt matched in clearance, rear stomidium coordinates with push rod 2, fit and carry out axial location in endoporus step surface and withdraw of the needle cylinder 1 right side, the cylindrical left end of described binding ring 3 has tapering and evenly offers several notches in diametric(al), cylindrical right-hand member is cylindrical section, as shown in Figure 4,5.
The endoporus left end of described locking nut 4 has tapering, and with the taper fit of binding ring 3 left end, endoporus right-hand member has internal thread, coordinates, as shown in Figure 6 with the external thread section of sleeve 6 left end.
The cylindrical left end of described locking nut 4 is with tapering.
Described sleeve 6 cylindrical adopts annular knurl design.
For the contact pin of different-diameter specification, withdraw of the needle cylinder 1, push rod 2 and binding ring 3 are adopted seriation Combination Design.Dismantle different contact pins only to need to change corresponding withdraw of the needle cylinder 1, push rod 2 and binding ring 3.
Introduce assembly and disassembly of the present invention below:
First adjusting nut 8 penetrates in push rod 5 by step 1., until the large end of adjusting nut 8 is behind the large end stand rank of push rod 5, again spring 7 is penetrated into the centre of push rod 5, then the external screw thread of the internal thread of push rod 2 right-hand member with push rod 5 left end is connected, time fastening, in-line being changed cutter is inserted in the front end notch of push rod 2, rotation changes cutter and is connected with push rod 5 by push rod 2, thus carries out the minute-pressure contracting of certain size to spring 7.Also first push rod 5 and locking nut 8 can be screwed into after in sleeve 6, then load spring 7 from left end and connect push rod 2.
The right-hand member of said modules from sleeve 6 inserts by step 2., and when the external screw thread of band adjusting nut 8 contacts with the internal thread of sleeve 6, manual rotation adjusting nut 8 is screwed in sleeve 6 internal thread, and for conventional serial contact pin, hand Screw just can dismantle contact pin.For the long contact pin be of little use, during use can manual rotation adjusting nut 8 screw in sleeve 6 depth dimensions, can change the left and right static position of combinations thereof body, dynamic distance remains unchanged, by the contact pin be of little use dismounting exit.
Step 3. is after right-hand member is seated, again withdraw of the needle cylinder 1 is penetrated from the endoporus of the Small Taper front end of binding ring 3, until the right-hand member of withdraw of the needle cylinder 1 contacts with the endoporus step of binding ring 3, then both assembly parts are penetrated locking nut 4 from Small Taper direction, again the internal thread of locking nut 4 is screwed in the external screw thread of sleeve 6 left end, by the rotation of locking nut 4, compression binding ring 3 does radial deformation, thus does axial and radial locking positioning to withdraw of the needle cylinder 1.Generally, can lock manually.Also first can loading binding ring 3 and locking nut 4, be screwed on sleeve 6 after assembling, when not locking, then inserting the rear locking positioning of cylinder 1 of pushing pin.
4. assembling more than does not have fixing sequencing, both by the assembled in sequence of step 1.2.3, can assemble by the order of step 3.1.2 yet.
5. for different serial contact pins, only need to unclamp locking nut 4, change the cylinder 1 of pushing pin of corresponding series, push rod 2 and binding ring 3, dismounting and assembling are fast, conveniently.
6. the dismounting of pin remover and the reverse order of described erection sequence above.
To describe use of the present invention shown in Fig. 7:
1. first corresponding according to the diameter apolegamy of contact pin withdraw of the needle cylinder 1, push rod 2, the tight ring 3 of institute and other pin remover part put in place by above-mentioned assembling instruction assembling.
2. when dismantling contact pin, grasp sleeve 6 cylindrical, after the endoporus of withdraw of the needle cylinder 1 being aimed at the cylindrical of right-hand member contact pin, pin remover is moved to the left, when endoporus starts to contact the back taper of locating only folder 9 rear end, apply certain pressure again, withdraw of the needle cylinder 1 shrinks the horn shape diameter that folder 9 left end is stopped in location while being moved to the left, the head (containing contact pin and jack) of contact pin promotes to move after push rod 2 drives push rod 5 to make axis simultaneously, Compress Spring simultaneously, when the horn shape diameter of locating only folder 9 is contracted in withdraw of the needle cylinder 1 endoporus by the internal diameter of withdraw of the needle cylinder 1 completely, because withdraw of the needle cylinder 1 diameter of bore is less than the location hole diameter of insulation positioning table 10, under bounce after spring 7 pressurized or manual thrust effect, push rod 5 is driven to move forward, contact pin is exited left from the minimum endoporus of insulation positioning table 10.
For the longer contact pin be of little use, can move after adjusting nut 8, move after push rod 1, spring 7, push rod 5 static state, thus strengthen the passive distance between push rod 2 and withdraw of the needle cylinder 1 end face, dynamic distance remains unchanged, and can dismantle the various long contact pin be of little use like this.
The foregoing is only preferred embodiment of the present invention; not in order to limit the present invention; all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement; as withdraw of the needle cylinder adopts taper hole location, the fourth of the twelve Earthly Branches, end, employing axial compression radial packing ring location withdraw of the needle cylinder or push rod motionless; withdraw of the needle cylinder telescopic movings etc., all should be included within protection scope of the present invention.

Claims (8)

1. the integrated modular pin remover of an electrical cnnector, it is characterized in that: comprise withdraw of the needle cylinder (1), push rod (2), binding ring (3), locking nut (4), push rod (5), sleeve (6), spring (7) and adjusting nut (8), described withdraw of the needle cylinder (1) is fixedly installed in the centre bore of binding ring (3), described binding ring (3) is arranged on sleeve (6) left end and fixes with locking nut (4), described push rod (2) right-hand member arranges large end stand rank and in the two stage steps hole of sleeve (6), left end stretches into after passing sleeve (6) left in withdraw of the needle cylinder (1), described push rod (5) left end is connected with push rod (2) right-hand member afterwards with spring (7) through adjusting nut (8) successively left in the two stage steps hole of sleeve (6), the step surface in described adjusting nut (8) left side and two stage steps hole is fitted, its external screw thread is connected with the two stage steps hole internal thread of sleeve (6), the large end stand terrace of its right side and push rod (5) right-hand member is fitted.
2. the integrated modular pin remover of a kind of electrical cnnector according to claim 1, is characterized in that: the capillary stainless steel tube that described withdraw of the needle cylinder (1) is thin-walled.
3. the integrated modular pin remover of a kind of electrical cnnector according to claim 1, it is characterized in that: described push rod (2) left end offers short internal taper hole and yi word pattern notch, right-hand member offers internal thread hole, described push rod (5) left end arranges external thread section, and this external thread section is connected with the internal thread hole of push rod (2) right-hand member.
4. the integrated modular pin remover of a kind of electrical cnnector according to claim 1, it is characterized in that: the centre bore of described binding ring (3) is two stage steps hole, left end bore dia and withdraw of the needle cylinder (1) external diameter adopt matched in clearance, rear stomidium coordinates with push rod (2), fit and carry out axial location in endoporus step surface and withdraw of the needle cylinder (1) right side, the cylindrical left end of described binding ring (3) has tapering and evenly offers several notches in diametric(al), and cylindrical right-hand member is cylindrical section.
5. the integrated modular pin remover of a kind of electrical cnnector according to claim 4, it is characterized in that: the endoporus left end of described locking nut (4) has tapering, with the taper fit of binding ring (3) left end, endoporus right-hand member has internal thread, coordinates with the external thread section of sleeve (6) left end.
6. the integrated modular pin remover of a kind of electrical cnnector according to claim 4 or 5, is characterized in that: the cylindrical left end of described locking nut (4) is with tapering.
7. the integrated modular pin remover of a kind of electrical cnnector according to claim 1, is characterized in that: described sleeve (6) cylindrical adopts annular knurl design.
8. the integrated modular pin remover of a kind of electrical cnnector according to claim 1, is characterized in that: for the contact pin of different-diameter specification, and withdraw of the needle cylinder (1), push rod (2) and binding ring (3) are adopted seriation Combination Design.
CN201510668826.XA 2015-10-13 2015-10-13 Module integration type needle withdrawing device for electrical connector Pending CN105186261A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510668826.XA CN105186261A (en) 2015-10-13 2015-10-13 Module integration type needle withdrawing device for electrical connector

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Application Number Priority Date Filing Date Title
CN201510668826.XA CN105186261A (en) 2015-10-13 2015-10-13 Module integration type needle withdrawing device for electrical connector

Publications (1)

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CN105186261A true CN105186261A (en) 2015-12-23

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107782619A (en) * 2017-09-29 2018-03-09 兰州飞行控制有限责任公司 A kind of cable pin intensity detection frock
CN107919590A (en) * 2017-10-31 2018-04-17 胡伟 A kind of fit structure of socket and plug
CN108173070A (en) * 2017-10-31 2018-06-15 胡伟 The fit structure of socket and plug
CN109333457A (en) * 2018-11-30 2019-02-15 中国航空工业标准件制造有限责任公司 Spring mounting tool
CN111478147A (en) * 2020-05-26 2020-07-31 三一重机有限公司 Needle withdrawing device
CN115173183A (en) * 2022-07-19 2022-10-11 厦门鑫椽佳实业有限公司 Connector contact pin disassembling and assembling mechanism

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4070755A (en) * 1976-07-12 1978-01-31 Amp Incorporated Impact extraction tool
DE29604499U1 (en) * 1996-03-01 1996-06-05 Eduard Wille Gmbh & Co, 42349 Wuppertal Unlocking tool
CN201524996U (en) * 2009-11-16 2010-07-14 东风汽车股份有限公司 Special pin pulling assistive device for positioning blind pin
CN203312616U (en) * 2013-06-03 2013-11-27 艾默生传导系统(上海)有限公司 Dismounting tool
CN104538817A (en) * 2014-11-28 2015-04-22 中航光电科技股份有限公司 Remover for electrical connector contact elements
CN205029165U (en) * 2015-10-13 2016-02-10 资阳南车电气有限公司 Electrical connector's module integration formula withdraw of needle ware

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4070755A (en) * 1976-07-12 1978-01-31 Amp Incorporated Impact extraction tool
DE29604499U1 (en) * 1996-03-01 1996-06-05 Eduard Wille Gmbh & Co, 42349 Wuppertal Unlocking tool
CN201524996U (en) * 2009-11-16 2010-07-14 东风汽车股份有限公司 Special pin pulling assistive device for positioning blind pin
CN203312616U (en) * 2013-06-03 2013-11-27 艾默生传导系统(上海)有限公司 Dismounting tool
CN104538817A (en) * 2014-11-28 2015-04-22 中航光电科技股份有限公司 Remover for electrical connector contact elements
CN205029165U (en) * 2015-10-13 2016-02-10 资阳南车电气有限公司 Electrical connector's module integration formula withdraw of needle ware

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107782619A (en) * 2017-09-29 2018-03-09 兰州飞行控制有限责任公司 A kind of cable pin intensity detection frock
CN107919590A (en) * 2017-10-31 2018-04-17 胡伟 A kind of fit structure of socket and plug
CN108173070A (en) * 2017-10-31 2018-06-15 胡伟 The fit structure of socket and plug
CN107919590B (en) * 2017-10-31 2019-08-13 宁波赛耐比光电科技股份有限公司 A kind of fit structure of socket and plug
CN108173070B (en) * 2017-10-31 2019-08-13 宁波赛耐比光电科技股份有限公司 The fit structure of socket and plug
CN109333457A (en) * 2018-11-30 2019-02-15 中国航空工业标准件制造有限责任公司 Spring mounting tool
CN109333457B (en) * 2018-11-30 2024-04-02 中国航空工业标准件制造有限责任公司 Spring mounting tool
CN111478147A (en) * 2020-05-26 2020-07-31 三一重机有限公司 Needle withdrawing device
CN115173183A (en) * 2022-07-19 2022-10-11 厦门鑫椽佳实业有限公司 Connector contact pin disassembling and assembling mechanism

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Address after: Ziyang City, Sichuan province 641301 loop Songtao town Yanjiang District No. 6 CI Cun week

Applicant after: Ziyang CRRC Electric Technology Co., Ltd.

Address before: Ziyang City, Sichuan province 641301 loop Songtao town Yanjiang District No. 6 CI Cun week

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Application publication date: 20151223