EP3179580A1 - Crimpklemme - Google Patents
Crimpklemme Download PDFInfo
- Publication number
- EP3179580A1 EP3179580A1 EP16199026.2A EP16199026A EP3179580A1 EP 3179580 A1 EP3179580 A1 EP 3179580A1 EP 16199026 A EP16199026 A EP 16199026A EP 3179580 A1 EP3179580 A1 EP 3179580A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- clamp
- crimping
- clip body
- hole
- elastic clip
- 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.)
- Withdrawn
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/04—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for forming connections by deformation, e.g. crimping tool
- H01R43/042—Hand tools for crimping
-
- 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
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
- B25B27/146—Clip clamping hand tools
-
- 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
- B25B7/00—Pliers; Other hand-held gripping tools with jaws on pivoted limbs; Details applicable generally to pivoted-limb hand tools
- B25B7/18—Adjusting means for the operating arms
Definitions
- the present invention relates to a crimping clamp, and more particularly, to a crimping clamp which can be used to crimp bushings and wires of various sizes.
- a crimping clamp in the prior art provides a crimping opening of a single size and can crimp only bushings of a specific size onto corresponding wires.
- a crimping clamp with movable clamps is developed, wherein one of the clamps is disposed with a disc spring such that the clamp is fully not fixed and is moveable. Therefore, when it is necessary to crimp bushings and wires of larger sizes, the movable clamp can be pushed by the wire and bushing to move outward, thereby finishing the crimping process.
- the disc spring is made of special material which is expensive. In consideration of the cost issue, it is necessary to design a new crimping clamp which can crimp bushings and wires of various sizes.
- the present invention discloses a crimping clamp for crimping a bushing onto a wire.
- the crimping clamp comprises a first clamp, a second clamp, a connecting rod and a pair of jaws.
- the first clamp comprises a first clamp body comprising a first grip end and an elastic clip body with an elastic force.
- the elastic clip body is connected with the first clamp body and comprises a first crimping end.
- the second clamp comprises a second clamp body comprising a second grip end and a clip body comprising a second crimping end, a pivot portion and a pivot end, wherein the pivot portion is disposed between the second crimping end and the pivot end; the pivot portion is connected with the first clamp body, and the pivot end is connected with the second clamp body.
- the connecting rod has one end connected with the first clamp body and the other end connected with the second clamp body.
- the pair of jaws has one jaw combined with the first crimping end and another jaw combined with the second crimping end; when the first grip end rotates towards the second grip end to a crimping position, the pair of jaws clamps the bushing onto one end of the wire, and when the size of the bushing is larger than a pre-determined size, the first crimping end will be driven by the elastic force to deform and move away from the second crimping end such that the first grip end can rotate to the crimping position, thereby finishing the clamping process.
- the first clamp further comprises a limit pole.
- the elastic clip body further comprises a through hole for the limit pole to pass through and to be disposed therein, and the size of the through hole is greater than the diameter of the limit pole. A remaining space of the through hole where the limit pole is not disposed is located between the limit pole and a side of the elastic clip body that is close to the second clamp.
- the crimping clamp further comprises an adjusting mechanism, wherein the adjusting mechanism is connected with the clip body to move the clip body away from or toward the elastic clip body.
- the adjusting mechanism comprises an eccentric shaft comprising a main-axis portion and an off-axis portion.
- the first clamp body comprises a first shaft hole
- the pivot portion comprises a pivot hole.
- the main-axis portion passes through the first shaft hole to be disposed therein, and the off-axis portion passes through the pivot hole to be disposed therein; therefore, when the eccentric shaft is rotated, the eccentric shaft moves the clip body away from or toward the elastic clip body.
- the eccentric shaft moves the clip body away from or toward the elastic clip body.
- the elastic clip body is made of spring steel.
- FIG. 1 to FIG. 4 Please refer to FIG. 1 to FIG. 4 for structural views of a crimping clamp of the present invention.
- the present invention discloses a crimping clamp 1 for crimping a bushing 90 onto an end of a wire 91 to wrap and fix a plurality of conducting wires 92 exposed at the end of the wire 91.
- the crimping clamp 1 comprises a first clamp 10, a second clamp 20, a connecting rod 30, a pair of jaws 40, an adjusting mechanism 50, an actuating mechanism 60, a restoring spring 70, and a pair of grip sleeves 80.
- the first clamp 10 comprises a pair of first clamp bodies 11, an elastic clip body 12 with an elastic force and a limit pole 13.
- the elastic clip body 12 is made of spring steel; however, the elastic clip body 12 can be made of any other elastic material.
- Each of first clamp bodies 11 comprises a first grip end 111, a first connecting hole 112, a first shaft hole 113, a first front opening 114 and a plurality of cavities H.
- the elastic clip body 12 comprises a first crimping end 121, a through hole 122 and a plurality of cavities H.
- the elastic clip body 12 is disposed between the two first clamp bodies 11 by inserting the rivets B1, B2 through the cavities H of the first clamp bodies 11 and the cavities H of the elastic clip body 12.
- the limit pole 13 passes through the first front opening 114 of each first clamp body 11 and the through hole 122 of the elastic clip body 12, wherein the size of the through hole 122 is greater than the diameter (thickness and width) of the limit pole 13, and a remaining space of the through hole 122 where the limit pole 13 is not disposed is located between the limit pole 13 and a side of the elastic clip body 12 that is close to the second clamp 20.
- the second clamp 20 comprises a pair of second clamp bodies 21 and a clip body 22.
- Each of the second clamp bodies 21 comprises a second grip end 211, a second connecting hole 212, a second shaft hole 213, a second front opening 214 and a plurality of cavities H.
- the clip body 22 comprises a second crimping end 221, a pivot portion 222 and a pivot end 223, wherein the pivot portion 222 is disposed between the second crimping end 221 and the pivot end 223, and the pivot portion 222 is disposed with a pivot hole 2221.
- the clip body 22 is disposed between the two second clamp bodies 21 by inserting the rivet B3 through the second shaft holes 213 of the second clamp bodies 21 and a hole on the pivot end 223 of the clip body 22.
- the connecting rod 30 comprises a front-end hole 31 and a back-end hole 32.
- One end of the connecting rod 30 is pivotally connected with the second clamp bodies 21 by inserting the rivet B4 through the second front opening 214 of each second clamp body 21 and the front-end hole 31 of the connecting rod 30.
- the other end of the connecting rod 30 is connected with the first clamp bodies 11 by inserting the second eccentric shaft E through the first connecting hole 112 of each first clamp body 11 and the back-end hole 32 of the connecting rod 30.
- a gear plate SP disposed on one end of the second eccentric shaft E can be used to fine-tune the position of the back-end hole 32 of the connecting rod 30. During normal use, the gear plate SP is fixed by the screw S on the side thereof (as shown in FIG. 3 ).
- one of the two jaws 40 is combined with the first crimping end 121 by inserting the rivet B5 through a hole on the jaw 40 and a hole on the first crimping end 121 of the elastic clip body 12.
- the other jaw 40 is combined with the second crimping end 221 by inserting the rivet B6 through a hole on this jaw 40 and a hole on the second crimping end 221 of the elastic clip body 22.
- an opening O is formed between the two jaws 40 (as shown in FIG. 1 ).
- an adjusting mechanism 50 is connected with the clip body 22.
- the adjusting mechanism 50 is used for adjusting the clip body 22 to move away from or toward the elastic clip body 12; in other words, the adjusting mechanism 50 can be used to adjust the size of the opening O formed by the two jaws 40 (details described below).
- the adjusting mechanism 50 comprises an eccentric shaft 51 and an operating member 52, wherein the eccentric shaft 51 comprises two main-axis portions 511 and an off-axis portion 512 disposed between the two main-axis portions 511, and the operating member 52 is combined with one end of the eccentric shaft 51.
- Each of the two main-axis portions 511 passes through the first shaft hole 113 of each of the first clamp bodies 11 respectively, and the off-axis portion 512 passes through the pivot hole 2221 of the clip body 22
- an actuating mechanism 60 comprises an actuating member 61, a fixation rod 62, and a spring 63.
- the actuating member 61 is disposed between the two second clamp bodies 21 by inserting the rivet B7 through the coupling hole 611 on the actuating member 61 and the two second connecting holes 212 of the two second clamp bodies 21; one end of the actuating member 61 is engaged with one side of the connecting rod 30.
- the fixation rod 62 passes through the corresponding cavities H of the two second clamp bodies 21.
- One end of the spring 63 is connected with the actuating member 61, and the other end is connected with the fixation rod 62 (as shown in FIG. 4 ).
- one end of the restoring spring 70 is connected with the elastic clip body 12, and the other end of the restoring spring 70 is connected with the clip body 22.
- the restoring spring 70 will be compressed and thus generate an elastic force on the clip body 22.
- the two grip sleeves 80 are combined with the first grip end 111 and the second grip end 211 respectively and wrap the first grip end 111 and the second grip end 211.
- FIG. 1 to FIG. 9 As shown in FIG. 1 , when the user wants to use the crimping clamp 1 to crimp the bushing 90 onto one end of the wire 91, first the user puts the bushing 90 on one end of the wire 91, and then the user brings the wire 91 and the bushing 90 to the opening O formed by the two jaws 40 (shown by the arrow F1 in FIG. 1 ).
- the first grip end 111 and the second grip end 112 are gripped for being joined together (shown by the arrow F2 in FIG. 3 ), such that the first grip end 111 rotates towards the second grip end 112 to a crimping position.
- the two jaws are in close contact with each other and generate a clamping force to crimp the bushing 90 and wire 91 together.
- the first clamp body 11, the connecting rod 30, the second clamp body 21 and the clip body 22 are linked together to form a toggle mechanism.
- the second eccentric shaft E going through the first connecting hole 112 and the back-end hole 32 will move to a position substantially aligned in a diagonal line with the position of the rivet B4 going through the second front opening 214 and the front-end hole 31, and with the position of the rivet B3 going through the second shaft hole 213 and the hole on the pivot end 223 (that is, the first connecting hole 112, the second front opening 214, and the second shaft hole 213 are substantially aligned linearly).
- the first crimping end 121 and the second crimping end 221 can generate the greatest clamping force.
- FIG. 9 lists the possible sizes of wire 91 and bushing 90; however, there can be other possible sizes.
- the first grip end 111 can be gripped and rotated to the crimping position; that is, the position where the second eccentric shaft E, the rivet B4 and the rivet B3 are aligned in a diagonal line.
- the first crimping end 121 will be pressed by the elastic force of the elastic clip body 12 to deform and move away from the second crimping end 221.
- the first grip end 111 can be smoothly rotated to the predetermined crimping position to allow the first crimping end 121 and the second crimping end 221 to generate the greatest clamping force.
- the size of the through hole 122 of the elastic clip body 12 is greater than the diameter (thickness and width) of the limit pole 13, and when the limit pole 13 passes through the through hole 122 of the elastic clip body 12, a remaining space of the through hole 122 where the limit pole 13 is not disposed is located between the limit pole 13 and a side of the elastic clip body 12 that is close to the second clamp 20; therefore, when the elastic clip body 12 is pressed to deform and move, the remaining space of the through hole 122 can accommodate the deformation of the elastic clip body 12, thereby preventing the portion of the elastic clip body 12 around the through hole 122 from being affected by the counterforce of the limit pole 13, which would cause elastic fatigue, and thus extending the lifespan of the crimping clamp 1.
- the connecting rod 30 rotates clockwise and is prevented from rotating counterclockwise by one end of the actuating member 61 engaging with the connecting rod 30.
- the user releases his or her grip on the first grip end 111 and the second grip end 211 and then rotates the actuating member 61 counterclockwise (in the direction shown by the arrow F4 in FIG. 4 ) to detach the actuating member 61 and the connecting rod 30.
- the connecting rod 30 is driven by the elastic force of the restoring spring 70 exerted on the clip body 22 to rotate counterclockwise, thereby restoring the first grip end 111 and the second grip end 211 back to the state before the user gripped the crimping clamp 1. Meanwhile, the two jaws 40 will also return to their original positions, making it possible for the user to remove the crimped wire 91 and bushing 90 from between the two jaws 40 (in the direction shown by the arrow F5 in FIG. 3 ).
- the present invention provides an adjusting mechanism 50 to adjust the size of the opening O formed between the two jaws 40.
- a specific range such as a cross-section area of under 10 mm 2
- the user can rotate the operating member 52 to turn it to the position indicated by the arrow D in FIG. 3 and thereby to cause the axle center of the off-axis portion 512 of the eccentric shaft 51 to be situated at the first position P1.
- the opening O formed by the two jaws 40 can accommodate a wire 91 and bushing 90 having cross-section areas of less than 10 mm 2 to be placed therein (as shown in FIG. 5 ).
- the size of the wire 91 and the bushing 90 exceeds a specific range (for example, cross-section areas of 16 mm 2 )
- the opening O will be too small to hold the wire 91 and bushing 90.
- the user can rotate the operating member 52 by 180 degrees to turn the arrow to the position shown in FIG. 6 .
- the axle center of the main-axis portion 511 of the eccentric shaft 51 is not at the same position as that of the off-axis portion 512 of the eccentric shaft 51; therefore, when the main-axis portion 511 is turned by 180 degrees, the axle center of the off-axis portion 512 will move from the original first position P1 to the second position P2 (as shown in FIG. 7 ), which is away from the elastic clip body 12. That is, when the main-axis portion 511 rotates, the off-axis portion 512 will move away from the elastic clip body 12 and drive the clip body 22 to also move away from the elastic clip body 12 (in the direction shown by the arrow F6 in FIG. 7 ), thereby enlarging the aperture of the opening O formed by the two jaws 40 (as shown in FIG. 8 ). As a result, the opening O can hold wires 91 and bushings 90 of larger sizes.
- the present invention discloses the crimping clamp 1 which can be used for crimping bushings 90 and wires 91 of various sizes. Meanwhile, since the elastic clip body 12 of the crimping clamp 1 can be elastically deformed, the crimping clamp 1 can still hold bushings 90 and the wires 91 of larger sizes and generate the greatest clamping force possible to firmly crimp a bushing 90 onto one end of a wire 91, thereby finishing the crimping process.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Manufacturing Of Electrical Connectors (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW15220019 | 2015-12-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3179580A1 true EP3179580A1 (de) | 2017-06-14 |
Family
ID=57326279
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16199026.2A Withdrawn EP3179580A1 (de) | 2015-12-11 | 2016-11-16 | Crimpklemme |
Country Status (1)
Country | Link |
---|---|
EP (1) | EP3179580A1 (de) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019105704A1 (de) * | 2017-12-01 | 2019-06-06 | Rennsteig Werkzeuge Gmbh | Presszange |
WO2019105703A1 (de) * | 2017-12-01 | 2019-06-06 | Rennsteig Werkzeuge Gmbh | Pressbacken, sowie presszange mit zwei zangenbacken |
EP3652816A4 (de) * | 2017-07-11 | 2021-03-10 | Pressmaster AB | Handwerkzeug mit selbstfederndem griff |
EP3904007A1 (de) | 2020-04-28 | 2021-11-03 | WEZAG GmbH & Co. KG | Crimpzangen-gesenk und crimpzange |
EP3904006A1 (de) | 2020-04-28 | 2021-11-03 | WEZAG GmbH & Co. KG | Crimpzangen-gesenk und crimpzange |
WO2022029320A2 (de) | 2020-08-06 | 2022-02-10 | Gustav Klauke Gmbh | Pressbacken sowie verfahren zur herstellung eines presslings und verfahren zum verpressen mit pressbacken |
RU2778558C2 (ru) * | 2017-12-01 | 2022-08-22 | Реннштайг Веркцойге Гмбх | Пресс-губки, а также пресс-клещи, имеющие две пресс-губки |
DE102021134355A1 (de) | 2021-12-22 | 2023-06-22 | Weidmüller Interface GmbH & Co. KG | Handbetätigbares Zangenwerkzeug |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5012666A (en) * | 1989-07-24 | 1991-05-07 | Chen Ching Wen | Crimp tool with adjustable jaw |
US5842371A (en) * | 1998-02-12 | 1998-12-01 | Liaw; Gwo-Jiang | Wire crimper having adjustment mechanism for adjusting pitch of the jaw mouth |
DE20315230U1 (de) * | 2003-10-02 | 2003-12-11 | Boche, Bernhard | Crimpwerkzeug mit federnd gelagertem Backenteil |
-
2016
- 2016-11-16 EP EP16199026.2A patent/EP3179580A1/de not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5012666A (en) * | 1989-07-24 | 1991-05-07 | Chen Ching Wen | Crimp tool with adjustable jaw |
US5842371A (en) * | 1998-02-12 | 1998-12-01 | Liaw; Gwo-Jiang | Wire crimper having adjustment mechanism for adjusting pitch of the jaw mouth |
DE20315230U1 (de) * | 2003-10-02 | 2003-12-11 | Boche, Bernhard | Crimpwerkzeug mit federnd gelagertem Backenteil |
Cited By (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3652816A4 (de) * | 2017-07-11 | 2021-03-10 | Pressmaster AB | Handwerkzeug mit selbstfederndem griff |
US11462874B2 (en) | 2017-12-01 | 2022-10-04 | Rennsteig Werkzeuge Gmbh | Crimping pliers |
WO2019105703A1 (de) * | 2017-12-01 | 2019-06-06 | Rennsteig Werkzeuge Gmbh | Pressbacken, sowie presszange mit zwei zangenbacken |
JP2021504881A (ja) * | 2017-12-01 | 2021-02-15 | レンシュタイグ ヴェルクツォイゲ ゲーエムベーハー | 圧着プライヤ |
WO2019105704A1 (de) * | 2017-12-01 | 2019-06-06 | Rennsteig Werkzeuge Gmbh | Presszange |
EP4311627A3 (de) * | 2017-12-01 | 2024-07-10 | Rennsteig Werkzeuge GmbH | Pressbacken, sowie presszange mit zwei zangenbacken |
US11682875B2 (en) | 2017-12-01 | 2023-06-20 | Rennsteig Werkzeuge Gmbh | Pressing jaws for crimping pliers |
RU2784461C2 (ru) * | 2017-12-01 | 2022-11-25 | Реннштайг Веркцойге Гмбх | Пресс-клещи |
AU2018374403B2 (en) * | 2017-12-01 | 2022-10-27 | Rennsteig Werkzeuge Gmbh | Pressing jaws, and crimping pliers having two plier jaws |
RU2778558C2 (ru) * | 2017-12-01 | 2022-08-22 | Реннштайг Веркцойге Гмбх | Пресс-губки, а также пресс-клещи, имеющие две пресс-губки |
AU2018374404B2 (en) * | 2017-12-01 | 2022-08-25 | Rennsteig Werkzeuge Gmbh | Crimping pliers |
EP3904007A1 (de) | 2020-04-28 | 2021-11-03 | WEZAG GmbH & Co. KG | Crimpzangen-gesenk und crimpzange |
US11631957B2 (en) | 2020-04-28 | 2023-04-18 | Wezag Gmbh & Co. Kg | Crimping pliers die and crimping pliers |
US11967795B2 (en) | 2020-04-28 | 2024-04-23 | Wezag Gmbh & Co. Kg | Crimping pliers die and crimping pliers |
EP3904006A1 (de) | 2020-04-28 | 2021-11-03 | WEZAG GmbH & Co. KG | Crimpzangen-gesenk und crimpzange |
WO2022029320A3 (de) * | 2020-08-06 | 2022-04-07 | Gustav Klauke Gmbh | Pressbacken sowie verfahren zur herstellung eines presslings und verfahren zum verpressen mit pressbacken |
DE102020120825A1 (de) | 2020-08-06 | 2022-02-10 | Gustav Klauke Gmbh | Pressbacken sowie Verfahren zur Herstellung eines Presslings und Verfahren zum Verpressen mit Pressbacken |
WO2022029320A2 (de) | 2020-08-06 | 2022-02-10 | Gustav Klauke Gmbh | Pressbacken sowie verfahren zur herstellung eines presslings und verfahren zum verpressen mit pressbacken |
DE102021134355A1 (de) | 2021-12-22 | 2023-06-22 | Weidmüller Interface GmbH & Co. KG | Handbetätigbares Zangenwerkzeug |
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