EP3366396B1 - Schnellverbinder - Google Patents

Schnellverbinder Download PDF

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Publication number
EP3366396B1
EP3366396B1 EP17157915.4A EP17157915A EP3366396B1 EP 3366396 B1 EP3366396 B1 EP 3366396B1 EP 17157915 A EP17157915 A EP 17157915A EP 3366396 B1 EP3366396 B1 EP 3366396B1
Authority
EP
European Patent Office
Prior art keywords
section
tubular section
groove
diameter
pin
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.)
Active
Application number
EP17157915.4A
Other languages
English (en)
French (fr)
Other versions
EP3366396A1 (de
Inventor
Octav Dumitru
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.)
Unitek Enterprise Corp
Original Assignee
Unitek Enterprise Corp
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 Unitek Enterprise Corp filed Critical Unitek Enterprise Corp
Priority to EP17157915.4A priority Critical patent/EP3366396B1/de
Publication of EP3366396A1 publication Critical patent/EP3366396A1/de
Application granted granted Critical
Publication of EP3366396B1 publication Critical patent/EP3366396B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
    • B25B23/0007—Connections or joints between tool parts
    • B25B23/0035—Connection means between socket or screwdriver bit and tool

Definitions

  • the present invention relates to a quick release connector.
  • US 2008/176437 A1 describes a quick release connector, including: a main body, including a tubular section, the tubular section defining an axial direction, the tubular section including an inner hole, an insertion opening communicating with the inner hole, a slanted groove communicating with the inner hole and a sliding groove axially extending and communicating with the inner hole, the slanted groove extending inwardly toward the insertion opening; an elastic abutting mechanism, abutted within the inner hole, for urging an insert member being inserted into the inner hole via the insertion opening; a locking mechanism, including a pin portion and a locking portion, the pin portion disposed through the sliding groove and axially slidably movable together with the elastic abutting mechanism, the locking portion received in the slanted groove and radially projectable into the inner hole, the locking portion movable together with the pin portion and the elastic abutting mechanism.
  • a conventional connector 200 for a tool bit 300 (such as screwdriver bit) includes a rod body 201, a jacket 202 and a connecting rod 203.
  • the connecting rod and the rod body are assembled with each other, the connecting rod is for assembling with a driving device, and the rod body is for connection with a tool bit.
  • the jacket is slidably assembled with the rod body and slidable between a locking position and a release position. Through the jacket pressing a blocking member to block into an engagement recess of the tool bit, the tool bit is lockably held.
  • TW 1241231 and TW 1365128 disclose the kind of aforementioned tool.
  • the jacket has to be manufactured to include function of pressing the blocking member and provide release space for the blocking member.
  • the inner wall of the jacket has must include a protrusive-recessed structure, so the structure is complicated, it is hard to process the inner wall of the jacket and it is not precise, so that the tool bit cannot be stably locked and is easy to disengage.
  • it has to move the jacket by one hand of a user and insert/withdraw the tool bit by another hand of the user, and the release the jacket, and thus it cannot proceed with one single hand.
  • the jacket has a large diameter and is disposed at a front end of the rod body, so that it cannot be inserted and operated in a narrow hole, and the jacket can be damaged and moved to release the tool bit due to impact by the inner wall of the hole during rotating, which can do harm to user easily.
  • the present invention is, therefore, arisen to obviate or at least mitigate the above mentioned disadvantages.
  • An object of the present invention is to provide a quick release connector, with which it is able to quickly replace an insert member, has a simple structure and is easy to use; furthermore, the user can replace the insert member by one single hand, and it is convenient, time-saving, and helpful to work.
  • a quick release connector characterized by the features defined in claim 1 is provided, including: a main body, including a tubular section, the tubular section defining an axial direction, the tubular section including an inner hole, an insertion opening communicating with the inner hole, a slanted groove communicating with the inner hole and a sliding groove axially extending and communicating with the inner hole, the slanted groove extending inwardly toward the insertion opening; an elastic abutting mechanism, abutted within the inner hole, for urging an insert member being inserted into the inner hole via the insertion opening; a locking mechanism, including a pin portion and a locking portion, the pin portion disposed through the sliding groove and axially slidably movable together with the elastic abutting mechanism, the locking portion received in the slanted groove and radially projectable into the inner hole, the locking portion movable together with the pin portion and the elastic abutting mechanism.
  • Figs. 1-5 show a quick release connector according to a preferred embodiment of the present invention.
  • the quick release connector 1 includes a main body 10, an elastic abutting mechanism 20 and a locking mechanism 30.
  • the main body includes a tubular section 11, the tubular section defines an axial direction, the tubular section includes an inner hole 12, an insertion opening 13 communicating with the inner hole, a slanted groove 14 communicating with the inner hole and a sliding groove 15 axially extending and communicating with the inner hole, and the slanted groove extends inwardly toward the insertion opening.
  • the slanted groove may be open with a V-shaped opening on the outer face of the tubular section, or may be an enclosed slanted groove on the outer face of the tubular section).
  • the main body preferably further includes a tool connecting end 16, and the tool connecting end is for connection with a powered too (as shown in Fig.
  • extension rod such as elongate tool with a handle and a socket for receiving a screwdriver bit
  • wrench socket or the like.
  • the tool connecting end may be integrally formed with a handle (as shown in Fig.7 ).
  • the elastic abutting mechanism is abutted within the inner hole, for urging an insert member 100 inserted into the inner hole via the insertion opening.
  • the locking mechanism includes a pin portion 31 and a locking portion 32.
  • the pin portion is disposed through the sliding groove and axially slidably movable together with the elastic abutting mechanism, and the locking portion is received in the slanted groove and radially projectable into the inner hole.
  • the locking portion 32 is movable together with the pin portion 31 and the elastic abutting mechanism 20.
  • the locking mechanism can sufficiently lock or release the insert member (such as tool bit, extension rod or the like), thus being able to quickly replace the insert member, having a simple structure and being easy to use.
  • the elastic abutting mechanism includes a push rod 21 and at least one elastic member abutted between the push rod and the tubular section.
  • the push rod includes a push head 22 and a body portion 23 connected with the push head.
  • the inner hole includes a large-diameter section 121 and a small-diameter section 122 communicating with each other, and a shoulder 123 located between the large-diameter section and the small-diameter section.
  • the large-diameter section communicates with the insertion opening, and the body portion is slidably inserted in the small-diameter section.
  • the push head is provided with a magnetic member 24 for magnetically attracting the insert member, for avoid detachment of the insert member.
  • the large-diameter section includes a non-circular section 124 which matches the insert member in shape.
  • the insert member is a tool bit with a hexagonal connecting end
  • the non-circular section is a hexagonal hole
  • the push head is hexagonal and slidably disposed in the large-diameter section.
  • the body portion includes a large-diameter portion 231 connected with the push head and a small-diameter portion 232 connected with the large-diameter portion.
  • the push head is greater than the large-diameter portion in diameter and forms a radial flange 221 relative to the large-diameter portion.
  • the small-diameter section includes an abutting face 125 away from the large-diameter section.
  • a number of the at least one elastic member is two, and one said elastic member 25 is abutted between the flange of the push head and the shoulder, the other elastic member 26 is abutted between the pin portion and the abutting face. Since the locking portion is movable together with the pin portion and the elastic abutting mechanism, it requires on one elastic member (the elastic member 26) and the insert member can be sufficiently locked or released.
  • the push rod includes an insertion groove 27 extending axially, and the pin portion is axially slidably inserted in the insertion groove.
  • the insertion groove runs through the large-diameter portion and the small-diameter portion.
  • the tubular section further includes a straight groove 17 which extends axially on the outer face of the tubular section and communicates with the slanted groove, the locking mechanism further includes a straight section 33 connected between the pin portion and the locking portion, and the straight section is received within the straight groove.
  • the tubular section includes a recess 34 which is disposed on an outer face of the tubular section and communicates with the straight groove, and the sliding groove is disposed at a bottom of the recess.
  • the locking mechanism further includes a blocking member 35 and a pin member 36, the blocking member includes the locking portion and an insertion hole 37 located within the recess, and the pin member is disposed through the insertion hole and the sliding groove and inserted into the insertion groove of the elastic abutting mechanism.
  • the blocking member is a metal wire integrally formed in one piece, the locking portion is a straight arm formed by bending the metal wire at right angle, and one end of the metal wire is coiled to form the insertion hole. The blocking member does not deform axially when operated so that it can precisely and stably lock or release the insert member.
  • the quick release connector further includes a ring member 40 slidably disposed around the main body, a sleeve member 50 slidably disposed around the main body and fixedly sleeved with the ring member, and a jacket 60.
  • the ring member is penetrated by the pin member and covers the recess, the pin member 36 is disposed through the elastic abutting mechanism, and the sleeve member blocks two ends of the pin member so as to restrict and protect the pin member.
  • the jacket 60 is fixedly sleeved with the tubular section and disposed around a part of the locking mechanism and the ring member, whereby restricting and protecting the locking mechanism.
  • the insert member 100 when the insert member 100 is inserted into the insertion opening 13, the insert member press the locking portion 32 of the blocking member 35 to move backward, at the same time the pin member 36 is slightly moved backward within the insertion groove 27 (the ring member may further includes a space such as annular groove corresponding radially to the pin member for axial movement of the pin member, so that it is not necessary to move the ring member backward at the same time and it is therefore easy to move the blocking member backward).
  • the elastic member 26 pushes the pin member 36 forward and drives the blocking member so that the locking portion locks the engagement recess 101 normally.
  • the insert member can be locked automatically and is not easy to disengage; to detach the insert member, the ring member 40 is moved backward axially to in the middle portion of the insertion groove 27, the locking portion 32 disengages from the engagement recess 101 and the rear portion of the insertion groove 27 still allows the push rod to move forward relative to the pin member 36, so that the elastic member 25 pushes the push rod 21 to move forward and the insert member 100 can be jetted out automatically.
  • the user can replace the insert member by one single hand, and it is convenient, time-saving, and helpful to work.
  • the ring member and parts for driving the locking mechanism are disposed at a rear end of the main body and has a small diameter, so that it can be inserted and operated in a narrow hole, and the ring member and parts for driving the locking mechanism are located outside the hole, cannot be damaged and moved to release the insert member due to impact by the inner wall of the hole during rotating, which can prevent user from being injured (as shown in Fig. 8 ).

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)

Claims (8)

  1. Schnellkupplung (1), umfassend:
    einen Hauptkörper (10), der einen rohrförmigen Abschnitt (11) beinhaltet, wobei der rohrförmige Abschnitt (11) eine axiale Richtung definiert, wobei der rohrförmige Abschnitt (11) ein Innenloch (12), eine Einführöffnung (13), die mit dem Innenloch (12) in Verbindung steht, eine schräge Nut (14), die mit dem Innenloch (12) in Verbindung steht und eine Gleitnut (15) beinhaltet, die sich axial erstreckt und mit dem Innenloch (12) in Verbindung steht, wobei sich die schräge Nut (14) nach innen zu der Einführöffnung (13) erstreckt,
    einen elastischen Anschlagmechanismus (20), der innerhalb des Innenlochs (12) anliegt, um ein Einführelement (100) dazu zu bringen, über die Einführöffnung (13) in das Innenloch (12) eingeführt zu werden, wobei der elastische Anschlagmechanismus (20) eine Druckstange (21) und zumindest ein elastisches Element (25, 26) beinhaltet, wobei die Druckstange (21) einen Druckknopf (22), der nahe der Einführöffnung (13) positioniert ist, und einen Körperabschnitt (23) beinhaltet, der mit dem Druckknopf (22) verbunden ist, wobei der Körperabschnitt (23) einen Abschnitt mit großem Durchmesser (231), der mit dem Druckknopf (22) verbunden ist, und einen Abschnitt mit kleinem Durchmesser (232) beinhaltet, der mit dem Abschnitt mit großem Durchmesser (231) verbunden ist, wobei die Druckstange (21) ferner eine Einführnut (27) umfasst, die sich axial in den Abschnitt mit großem Durchmesser (231) und in den Abschnitt mit kleinem Durchmesser (232) erstreckt, wobei eine Anzahl des zumindest einen elastischen Elements (25, 26) zwei ist, wobei das erste elastische Element (25) zwischen dem Druccknopf (22) und dem rohrförmigen Abschnitt (11) anliegt und das zweite elastische Element (26) zwischen dem Abschnitt mit großem Durchmesser (231) und dem rohrförmigen Abschnitt (11) angeordnet ist,
    einen Verriegelungsmechanismus (30), der einen Stiftabschnitt (31) umfasst, der durch die Gleitnut (15) angeordnet ist und axial zusammen mit dem elastischen Anschlagmechanismus (20) verschiebbar beweglich ist, wobei der Verriegelungsmechanismus (30) ferner ein Sperrelement (35) und ein Stiftelement (36) beinhaltet, das mit dem Sperrelement (35) verbunden ist, wobei das Sperrelement (35) einen Verriegelungsabschnitt (32) beinhaltet, wobei der Verriegelungsabschnitt (32) in der schrägen Nut (14) aufgenommen ist und radial in das Innenloch (12) hervorstehen kann, wobei der Verriegelungsabschnitt (32) zusammen mit dem Stiftabschnitt (31) und dem elastischen Anschlagmechanismus (20) bewegbar ist,
    wobei das Sperrelement (35) durch den rohrförmigen Abschnitt (11) von der Druckstange (21) getrennt ist und komplett außerhalb der Druckstange (21) angeordnet ist,
    wobei der Druckknopf (22) und das Sperrelement (35) nicht radial miteinander überlappen und
    wobei das Stiftelement (36) axial verschiebbar in die Einführnut (27) eingeführt ist und axial in den Abschnitt mit großem Durchmesser (231) und in den Abschnitt mit kleinem Durchmesser (232) verschiebbar ist, so dass das Sperrelement (35) ohne eine axiale Bewegung der Druckstange (21) nach innen und radial nach außen gefahren werden kann, wobei das zweite elastische Element (26) außerhalb der Druckstange (21) angeordnet ist und gegen das Stiftelement (36) angelegt werden kann.
  2. Schnellkupplung (1) gemäß Anspruch 1, bei welcher das Innenloch (12) einen Abschnitt mit großem Durchmesser (121) und einen Abschnitt mit kleinem Durchmesser (122), die miteinander in Verbindung stehen, und eine Schulter (123) beinhaltet, die zwischen dem Abschnitt mit großem Durchmesser (121) und dem Abschnitt mit kleinem Durchmesser (122) angeordnet ist, wobei der Abschnitt mit großem Durchmesser (121) mit der Einführöffnung (13) in Verbindung steht, wobei der Körperabschnitt (23) verschiebbar in den Abschnitt mit kleinem Durchmesser (122) eingeführt ist, und wobei das erste elastische Element (25) zwischen dem Druckknopf (22) und der Schulter (123) anliegt.
  3. Schnellkupplung (1) gemäß Anspruch 2, bei welcher der Abschnitt mit kleinem Durchmesser (122) eine Anschlagsfläche (125) entfernt von dem Abschnitt mit großem Durchmesser (121) aufweist, wobei das zweite elastische Element (26) zwischen dem Stiftabschnitt (31) und der Anschlagsfläche (125) anliegt.
  4. Schnellkupplung (1) gemäß Anspruch 1, bei welcher der rohrförmige Abschnitt (11) ferner eine gerade Nut (17) umfasst, die sich axial an einer Außenfläche des rohrförmigen Abschnitts (11) erstreckt und mit der schrägen Nut (14) in Verbindung steht, wobei der Verriegelungsmechanismus (30) ferner einen geraden Abschnitt (33) beinhaltet, der mit dem Stiftabschnitt (31) und dem Verriegelungsabschnitt (32) verbunden ist, und wobei der gerade Abschnitt (33) innerhalb der geraden Nut (17) aufgenommen ist.
  5. Schnellkupplung (1) gemäß Anspruch 4, bei welcher der rohrförmige Abschnitt (11) ferner eine Aussparung (34) umfasst, die an der Außenfläche des rohrförmigen Abschnitts (11) angeordnet ist und mit der geraden Nut (17) in Verbindung steht, wobei die Gleitnut (15) an einem Boden der Aussparung (34) angeordnet ist, wobei der Verriegelungsmechanismus (30) ferner ein Einführloch (37) beinhaltet, das innerhalb der Aussparung (34) angeordnet ist, und wobei das Stiftelement (36) durch das Einführloch (37) und die Gleitnut (15) angeordnet und in den elastischen Anschlagmechanismus (20) gesteckt ist.
  6. Schnellkupplung (1) gemäß Anspruch 5, die ferner ein Ringelement (40) beinhaltet, das verschiebbar um den Hauptkörper (10) angeordnet ist, wobei das Ringelement (40) durch das Stiftelement (36) durchdrungen wird und die Aussparung (34) abdeckt.
  7. Schnellkupplung (1) gemäß Anspruch 6, die ferner ein Hülsenelement (50) beinhaltet, das verschiebbar um den Hauptkörper (10) angeordnet ist und fest auf das Ringelement (40) gehülst ist, wobei das Stiftelement (36) durch den elastischen Anschlagmechanismus (20) angeordnet ist und das Hülsenelement (50) zwei Enden des Stiftelements (36) sperrt.
  8. Schnellkupplung (1) gemäß einem der Ansprüche 1 bis 7, die ferner eine Hülle (60) beinhaltet, wobei die Hülle (60) fest auf dem rohrförmigen Abschnitt (11) gehülst und um einen Teil des Ringelements (40) angeordnet ist.
EP17157915.4A 2017-02-24 2017-02-24 Schnellverbinder Active EP3366396B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP17157915.4A EP3366396B1 (de) 2017-02-24 2017-02-24 Schnellverbinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP17157915.4A EP3366396B1 (de) 2017-02-24 2017-02-24 Schnellverbinder

Publications (2)

Publication Number Publication Date
EP3366396A1 EP3366396A1 (de) 2018-08-29
EP3366396B1 true EP3366396B1 (de) 2020-11-11

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ID=58185339

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Application Number Title Priority Date Filing Date
EP17157915.4A Active EP3366396B1 (de) 2017-02-24 2017-02-24 Schnellverbinder

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EP (1) EP3366396B1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI705930B (zh) * 2019-12-12 2020-10-01 鴻勁精密股份有限公司 作業具及其應用之作業設備

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI241231B (en) 2004-07-09 2005-10-11 Jang-Ying Chen Fitting block of quick release bit holder
TW200831243A (en) * 2007-01-19 2008-08-01 Hou-Fei Hu Screwdriver joint with stepless locking
TW201100214A (en) 2009-06-17 2011-01-01 Wei Chins Plastic Entpr Corp Tool positioning structure
TWM402172U (en) * 2010-11-23 2011-04-21 Classic Tools Co Ltd Quick-release linkage with small outer diameter
TWI362312B (en) * 2011-04-19 2012-04-21 Chung Taan Ind Co Ltd Connecting rod
EP2837468B1 (de) * 2013-08-15 2017-07-05 Black & Decker Inc. Bithalter mit beweglicher Magnethülse
US9561581B2 (en) * 2015-01-22 2017-02-07 Shu-Hui Yeh Quick-removal socket tool

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP3366396A1 (de) 2018-08-29

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