WO2018090632A1 - Tournevis à changement rapide avec mécanisme d'encliquetage postérieur - Google Patents

Tournevis à changement rapide avec mécanisme d'encliquetage postérieur Download PDF

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Publication number
WO2018090632A1
WO2018090632A1 PCT/CN2017/090509 CN2017090509W WO2018090632A1 WO 2018090632 A1 WO2018090632 A1 WO 2018090632A1 CN 2017090509 W CN2017090509 W CN 2017090509W WO 2018090632 A1 WO2018090632 A1 WO 2018090632A1
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WO
WIPO (PCT)
Prior art keywords
handle
frame
positioning
ratchet
batch
Prior art date
Application number
PCT/CN2017/090509
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English (en)
Chinese (zh)
Inventor
孙时雨
Original Assignee
上海齐绘机电科技有限公司
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 上海齐绘机电科技有限公司 filed Critical 上海齐绘机电科技有限公司
Publication of WO2018090632A1 publication Critical patent/WO2018090632A1/fr

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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
    • B25B15/00—Screwdrivers
    • B25B15/02—Screwdrivers operated by rotating the handle
    • B25B15/04—Screwdrivers operated by rotating the handle with ratchet action
    • 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
    • B25B23/16—Handles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25G—HANDLES FOR HAND IMPLEMENTS
    • B25G1/00—Handle constructions
    • B25G1/06—Handle constructions reversible or adjustable for position
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25G—HANDLES FOR HAND IMPLEMENTS
    • B25G1/00—Handle constructions
    • B25G1/08—Handle constructions with provision for storing tool elements

Definitions

  • the utility model belongs to the technical field of screwdrivers, in particular to a quick change screwdriver with a tail ratchet.
  • a screwdriver is a tool used to twist a screw to force it in place. It is easy to carry and easy to operate, and has a wide range of applications in our daily lives.
  • Screwdriver generally fix the screwdriver to the special mounting bracket, and the mounting bracket and the handle are all integrated. In use, it is easy to lose the screwdriver. At the same time, when replacing the screwdriver, it needs to be disassembled frequently, which is very troublesome. .
  • the purpose of the utility model is to overcome the deficiencies or defects of the prior art, and to provide a quick-change screwdriver with a tail ratchet, which can achieve the purpose of replacing the screwdriver bit by pushing and pulling the handle and rotating the handle.
  • a quick-change screwdriver with a tail ratchet comprising a batch head sleeve with a plurality of batch heads therein, a handle, a push rod and a ratchet wheel disposed in the handle, and a plurality of positioning slots in the batch head sleeve
  • the batch head is correspondingly disposed in the positioning slot
  • the glove is disposed at an end of the batch head sleeve, and the handle is movably locked along an end of the batch head sleeve
  • the ratchet is a three-position ratchet, Provided at an inner tail end of the handle, the ratchet is used to lock the handle or form a leftward or rightward one-way movement between the handle; the end of the push rod is fixed on the ratchet
  • the pusher moves forward as the handle moves and selects, pushes the selected bit or pulls back to retrieve the selected bit.
  • the ratchet includes: a driving frame, a convex fixing hole is arranged in the middle of the upper surface thereof, and a lower surface of the driving frame is a push rod connection; a pawl frame having a through hole therebetween, the through hole passing through the fixing hole to fix the pawl frame on an upper surface of the driving frame; the side of the pawl frame is provided Two corresponding tapered holes; the upper surface of the pawl frame is provided with three first positioning holes; two pawls are respectively fixed in the tapered holes by a spring connection, and the pawls are The spring is in contact with the tooth groove of the ring gear at a corresponding position in the handle; the selector button has two bosses on the lower surface thereof, and a second positioning hole is provided on one of the bosses The selector button is fixed to the driving frame and the pawl frame by a screw and the fixing hole.
  • the second positioning hole is provided with a spring and a steel ball, and the spring and the steel ball form a positioning mechanism.
  • the positioning mechanism When the direction selector button is in the starting position, the positioning mechanism is located in one of the first positioning holes, the boss does not contact the pawl, and the direction selector button drives the driving frame and the Fixing the handle; when the selector button is rotated, the positioning mechanism moves into one of the tapered holes, and The boss at the corresponding push pawl at, away from the cogging of the ring gear on the handle, form a unidirectional movement.
  • the batch head cover comprises a plurality of head frames, a top rod and a rotating body, wherein: the batch head frame has a fixing hole at a front end thereof for a selected batch head to be ejected, and the inner side wall of the batch head frame A plurality of positioning slots are evenly disposed, and an intermediate passage of the multi-position positioning slot is aligned with a position of the push rod, and a tail slot is disposed on a distal side of the header frame, and the tail slot is used for external pulling Positioning the handle when the handle is; the ram is a strong magnetic steel bar, the top end of the ram is magnetically connected to the bit, the end of the ram is magnetically connected to the push rod; a first through hole is provided for the push rod and the top rod to pass through; a middle portion of the rotating body is hollow, and a side surface of the rotating body is provided with a sloped slide; a sliding frame is disposed in the rotating body, a slider is connected to the slider through a tension spring, a stop
  • the lower end of the rotating body is provided with a rotating positioning hole, and the rotating positioning hole is provided with a spring-connected positioning member, and the combination of the rotating positioning hole and the positioning member can automatically find the positioning groove in the batch head sleeve. Then find the batch.
  • a retaining ring is disposed between the batch head cover and the handle to prevent the handle from being dislocated when the handle is pulled outward.
  • the batch head cover comprises a plurality of head frames and an option, the front end of the batch head frame is provided with a fixing hole for a selected batch head to be ejected, and the plurality of positioning grooves are evenly arranged in the batch head frame.
  • the intermediate passage of the multi-position positioning groove and the position of the push rod Consistently, a tail slot is provided on the end side of the header frame; the option is fixed in the batch head sleeve by a fixing bolt, and the option comprises a torsion spring and a swing piece, the swing piece One end of the swinging piece is fixed on the torsion spring, the other end of the pendulum piece is disposed in the intermediate passage, and the other end of the pendulum piece is movable in the intermediate passage under the action of a torsion spring to push and The bit of the push rod is connected.
  • the push rod is a strong magnetic steel rod.
  • the batch head cover comprises a batch of headstocks and a plurality of head clamps, the front end of the batch head frame is provided with a fixing hole for a selected batch head to be topped out, and the end of the batch head frame is provided with a tail end a slot is defined in the side wall of the batch head frame; the bit holder is disposed in the selection hole through a rotating shaft, and the bit is clamped in the selection hole to be rotatable, the batch head a plurality of positioning slots are disposed in the clip, the batch heads are correspondingly disposed in the positioning slots, and when the batch head clips are rotated into position, the selected batch heads on the batch head clips are located with the push rods And the position where the fixing holes are consistent.
  • the utility model has the following advantages and positive effects compared with the prior art: the present application can replace the screwdriver batch head by pushing and pulling the handle and rotating the handle, and passing the third-stage ratchet through the tail.
  • the combination of quick change and ratchet construction, the structure of the product is simple and convenient, and can be used in a variety of occasions.
  • Figure 1 is an exploded view of the quick-change screwdriver of the first embodiment of the present invention with a tail ratchet;
  • Figure 2 is a diagram showing the initial state of the application state of the first embodiment of the present invention.
  • Figure 3 is a schematic view of a replacement bit of the first embodiment of the present invention.
  • Figure 4 is a schematic view of the pull-out handle of the first embodiment of the present invention.
  • Figure 5 is a cross-sectional view of the bit holder of the first embodiment of the present invention.
  • Figure 6 is a schematic view showing the structure of a rotating main body according to a first embodiment of the present invention.
  • Figure 7 is a schematic structural view of a ratchet according to a first embodiment of the present invention.
  • Figure 8 is a schematic structural view of a direction selector button according to a first embodiment of the present invention.
  • Figure 9 is a schematic view of the application state of the second embodiment of the present invention.
  • Figure 10 is a second schematic view of the application state of the second embodiment of the present invention.
  • Figure 11 is a schematic structural view of a third embodiment of the present invention.
  • Figure 12 is a first schematic view of the application state of the third embodiment of the present invention.
  • Figure 13 is a second schematic view of the application state of the third embodiment of the present invention.
  • Fig. 1 is an exploded view of the quick change screwdriver of the first embodiment of the present invention with a tail ratchet.
  • the quick-change screwdriver with the tail ratchet of the first embodiment includes a batch head sleeve 2 with a plurality of batch heads 1 therein, a handle 3, a push rod 4 disposed in the handle 3, and Ratchet 5.
  • the batch head cover 2 is provided with a 6-position positioning groove, and the batch head 1 is correspondingly disposed in the positioning groove.
  • the handle 3 is sleeved at the end of the batch head cover 2, and the handle 3 is displaceably locked along the end of the batch head cover 2, that is, the handle 3 can be pushed forward along the batch head cover and fixed to the handle 3 The front end; the handle 3 can also be pulled back and fixed to the rear end of the handle 3.
  • the ratchet 5 is a three-position ratchet, i.e. the ratchet 5 can be used to lock the handle 3 or form a left- or right-direction one-way movement with the handle 3.
  • a ratchet 5 is provided at the inner end of the handle 3.
  • the end of the push rod 4 is fixed to the ratchet 5, and the push rod 4 moves forward along with the movement of the handle 3 and selects, pushes out a selected bit or pulls back to retrieve the selected The header.
  • the screwdriver with the tail ratchet combines the quick change and ratchet structure, and has a simple structure, which can realize various ways of selecting the batch head.
  • the ratchet 5 includes a drive frame 51, a pawl frame 52, two pawls 53, a selector button 54 and the like. See the structural diagram of the ratchet shown in Figure 7 for details.
  • a convex fixing hole is provided in the middle of the upper surface of the driving frame 51, and a lower surface of the driving frame 51 is connected to the push rod 4.
  • the role of the drive frame is to drive the movement of the push rod.
  • a perforation is provided in the middle of the pawl frame 52, and the perforation passes through the fixing hole to fix the pawl frame to the upper surface of the drive frame.
  • the side of the pawl frame 52 is provided with two corresponding tapered holes 521 and 522.
  • Upper surface of the pawl holder 52 Three first positioning holes 523 are provided.
  • the two pawls 53 are respectively fixed and fixed in the tapered hole by a spring 55, and the pawl 53 is pressed against the tooth of the ring gear of the corresponding position in the handle 3 under the action of the spring 55. Inside the slot.
  • the selector button 54 is provided with two bosses 541 and 542 on the lower surface thereof, and one of the bosses 541 is provided with a second positioning hole 5411.
  • the selector button 54 is fixed to the drive frame 51 and the pawl holder 52 by a screw 56 in combination with the fixing hole.
  • a spring 57 and a steel ball 58 are disposed in the second positioning hole 5411, and the spring spring 57 and the steel ball 58 form a positioning mechanism.
  • the positioning mechanism When the direction selector button 54 is in the initial position, the positioning mechanism is located in one of the first positioning holes 523, the bosses 541, 542 do not contact the pawl, and the direction selector button 54
  • the drive frame 51 is fixed to the handle 3; when the direction selector button 54 rotates, the positioning mechanism moves into one of the tapered holes, and the corresponding boss pushes the corresponding pawl It is detached from the tooth groove of the ring gear on the handle to form a one-way motion.
  • One-way motion can be done to the left or to the right.
  • the batch head cover 2 includes a plurality of head frames 21, a top rod 22, and a rotating body 23. among them:
  • the front end of the headstock 21 is provided with a fixing hole 211 for a selected batch head to be ejected, and a 6-position positioning slot 212 is evenly disposed on the inner side wall of the header frame 21.
  • the intermediate passage of the gear positioning groove coincides with the position of the push rod 4, that is, the push rod can pass through the intermediate passage.
  • a tail groove 213 is provided on the end side of the head frame 21, and the tail groove 213 is used to position the handle when the handle is pulled out.
  • the jack 22 is a strong magnetic steel bar, the top end of which is magnetically connected to the bit, and the end of the jack 22 is magnetically connected to the push rod 4.
  • the rotating body 23 is as shown in FIG.
  • a first through hole is provided in the middle of the rotating body 23 for the push rod 4 and the top rod 22 to pass therethrough.
  • the rotating main body 23 is hollow at the center, and a side inclined rail 232 is disposed on the side wall.
  • a slide frame 24 is disposed in the rotating body 23, and a slider 25 is connected to the slide frame 24 by a tension spring, and a stopper 26 is fixed to the rotating body.
  • the slider 25 is provided with a second perforation, and the second perforation coincides with the center of the first perforation, and the push rod and the plunger can move within the second perforation.
  • the lower end of the rotating body 23 is provided with a rotating positioning hole 231.
  • the rotating positioning hole 231 is provided with a positioning member 233 connected by a spring 232. The combination of the rotating positioning hole and the positioning member can automatically find a positioning groove in the batch head sleeve, and then find the batch head.
  • a retaining ring 6 is disposed between the batch head cover 2 and the handle to prevent the handle from being dislocated when the handle is pulled outward.
  • the jack 22 holds the batch head 1 and the push rod 4 tightly together. Since the selected batch head 1 protrudes the batch head sleeve, it is placed in the fixing hole of the batch head frame, and is applied to the handle, and the batch head cover 2 is driven by the action of the tail ratchet to make it into a screwdriver.
  • the handle is pulled apart, and the push rod is retracted. Due to the magnetic action of the jack 22, the selected batch 1 moves backward with the jack 22; when the push rod 4 is separated from the slider When the second perforation is applied, the slider 25 moves to the side with the slide rails 232 on the slide frame 24 and the rotating main body 23 by the tension spring. After the side edges, due to the magnetic action of the ejector pins 22, The bit 1 is sucked together with the jack 22 and a stopper fixed to the rotating body. At the same time, the bit is in a replaceable position.
  • a retaining ring 6 is disposed between the batch head cover 2 and the handle 3 to prevent the handle from being dislocated when the handle is pulled outward.
  • the handle 3 When the handle 3 is pulled to the outermost end, the head frame 21 and the rotating body 23 have been freed from the constraint of the 6-position positioning groove, and the head frame 21 and the handle 3 can be freely rotated.
  • the lower end of the rotating body 23 is provided with a rotating positioning hole 231.
  • a spring-connected positioning member is disposed in the rotating positioning hole 231, and the combination of the rotating positioning hole and the positioning member can automatically find a positioning slot in the batch head sleeve, and then find the batch head, and replace the corresponding batch head.
  • the second embodiment differs from the first embodiment in the difference in the batch headgear. This is shown in conjunction with Figures 9 and 10.
  • the batch head cover 7 includes a plurality of headstocks 71 and an option 72.
  • the front end of the header frame 71 is provided with a fixing hole 711 for a selected batch head to be ejected, and the plurality of positioning grooves 712 are evenly arranged in the batch head frame 71.
  • the intermediate passage of the multi-position positioning groove 712 is aligned with the position of the push rod 4, and a tail groove is formed on the end side of the head frame 71.
  • the option 72 is secured within the batch of head covers by a mounting bolt 73.
  • the option 72 includes a torsion spring 721 and a pendulum piece 722, one end of which is fixed to the torsion spring 721.
  • the other end of the swinging piece 722 is disposed in the intermediate passage, and the other end of the swinging piece 722 is movable in the intermediate passage under the action of the torsion spring 721 to push the bit connected to the push rod.
  • the push rod 4 is a strong magnetic steel rod, so that the push rod and the bit that are attracted by the magnetic force can be pushed by the pendulum.
  • the pendulum piece 722 pushes and removes the bit, and completes the bit that is connected to the lifter.
  • the third embodiment differs from the first embodiment in the difference in the batch headgear. This is shown in conjunction with Figures 11-13.
  • the batch headgear 8 includes a plurality of headstocks 81 and a plurality of head clamps 82.
  • the front end of the header 81 is provided with a fixing hole 811 for a selected batch to be ejected.
  • a tail slot is disposed on a side edge of the end frame 81, and a selection hole is defined in a sidewall of the header frame 81.
  • the bit holder 82 is disposed in the selection hole through a rotating shaft 821.
  • the bit holder 82 is rotatable in the selection hole, and the bit holder is provided with a multi-position positioning groove. Correspondingly disposed in the positioning groove, and when the bit holder is rotated into position, the selected bit on the bit holder is located at a position coincident with the push rod and the fixing hole.
  • the purpose of the present application is to integrate the function of the ratchet and the quick change of the bit, simplifying the structure of the screwdriver and being suitable for various occasions.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)

Abstract

L'invention concerne un tournevis à changement rapide avec un mécanisme d'encliquetage postérieur, le tournevis comprenant un barillet à mèches (2) pourvu intérieurement d'une pluralité de mèches (1), une poignée (3), et une tige de poussée (4) et un mécanisme d'encliquetage (5) disposés dans la poignée. Le barillet à mèches (2) est pourvu intérieurement de rainures de positionnement à de multiples emplacements, et les mèches (1) sont disposées de manière correspondante dans les rainures de positionnement. La poignée (3) est adaptée sur une extrémité du barillet à mèches (2), et la poignée (3) est verrouillée de façon mobile le long de l'extrémité du barillet à mèches (2). Le mécanisme d'encliquetage (5) est un mécanisme d'encliquetage à trois positions, et est disposé au niveau d'une extrémité postérieure intérieure de la poignée (3), et le mécanisme d'encliquetage (5) est utilisé pour verrouiller la poignée (3) ou imposer, entre le mécanisme d'encliquetage et la poignée (3), un mouvement unidirectionnel vers la gauche ou vers la droite. Une extrémité de la tige de poussée (4) est fixée sur le mécanisme d'encliquetage (5), et la tige de poussée (4) se déplace vers l'avant avec le mouvement de la poignée (3) et sélectionne une mèche, et pousse la mèche sélectionnée (1) vers l'extérieur ou tire la mèche sélectionnée (1) en arrière pour la rétracter. Le tournevis peut remplacer la mèche du tournevis (1) par poussée et traction de la poignée (3) et rotation de la poignée (3), et au moyen du mécanisme d'encliquetage à trois positions postérieur (5), une structure à changement rapide et une structure à mécanisme d'encliquetage sont combinées. Le produit a une structure simple, et peut être appliqué à divers scénarios.
PCT/CN2017/090509 2016-11-16 2017-06-28 Tournevis à changement rapide avec mécanisme d'encliquetage postérieur WO2018090632A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201621243470.1U CN206287072U (zh) 2016-11-16 2016-11-16 带尾置棘轮的快换螺丝批
CN201621243470.1 2016-11-16

Publications (1)

Publication Number Publication Date
WO2018090632A1 true WO2018090632A1 (fr) 2018-05-24

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Application Number Title Priority Date Filing Date
PCT/CN2017/090509 WO2018090632A1 (fr) 2016-11-16 2017-06-28 Tournevis à changement rapide avec mécanisme d'encliquetage postérieur

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CN (1) CN206287072U (fr)
WO (1) WO2018090632A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108068041A (zh) * 2016-11-16 2018-05-25 上海齐迈五金有限公司 带尾置棘轮的快换螺丝批
TWI845605B (zh) 2019-02-04 2024-06-21 德商維拉維克催格有限責任公司 具有齒輪組之螺絲起子

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4086831A (en) * 1977-01-28 1978-05-02 S/V Tool Company, Inc. Ratchet driver
US6601483B2 (en) * 2001-04-19 2003-08-05 Futureworks Concepts Ltd. Automatic bit changing screwdriver
CA2457457A1 (fr) * 2003-06-13 2004-12-13 Gyula Kalder-Nagy Tournevis a lames interchangeables
US20050076750A1 (en) * 2003-01-22 2005-04-14 Nagy Gyula Kalder Interchangeable screwdriver for tool bits
CN200942502Y (zh) * 2006-08-25 2007-09-05 胡正参 起子的棘轮构造
US20070245862A1 (en) * 2006-04-21 2007-10-25 Nelson Gonzalez Magazine fed bit-changing combination tool
US20160214239A1 (en) * 2015-01-22 2016-07-28 Zheng-Cong Jiang Screwdriver with rotary unit for changing bits

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4086831A (en) * 1977-01-28 1978-05-02 S/V Tool Company, Inc. Ratchet driver
US6601483B2 (en) * 2001-04-19 2003-08-05 Futureworks Concepts Ltd. Automatic bit changing screwdriver
US20050076750A1 (en) * 2003-01-22 2005-04-14 Nagy Gyula Kalder Interchangeable screwdriver for tool bits
CA2457457A1 (fr) * 2003-06-13 2004-12-13 Gyula Kalder-Nagy Tournevis a lames interchangeables
US20070245862A1 (en) * 2006-04-21 2007-10-25 Nelson Gonzalez Magazine fed bit-changing combination tool
CN200942502Y (zh) * 2006-08-25 2007-09-05 胡正参 起子的棘轮构造
US20160214239A1 (en) * 2015-01-22 2016-07-28 Zheng-Cong Jiang Screwdriver with rotary unit for changing bits

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108068041A (zh) * 2016-11-16 2018-05-25 上海齐迈五金有限公司 带尾置棘轮的快换螺丝批
TWI845605B (zh) 2019-02-04 2024-06-21 德商維拉維克催格有限責任公司 具有齒輪組之螺絲起子

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