A multi-station piercing and crimping pliers

Abstract

The present invention discloses a multi-station piercing and crimping pliers, comprising an inlay, wherein the inlay comprises a vertical rod, wherein a first crossbar and a second crossbar are vertically spaced at one end of the vertical rod, wherein the first crossbar is detachably provided with at least two crimping pieces, and the second crossbar is movably connected to an extrusion mechanism; when in use, a piercing connector is placed between the first crossbar and the second crossbar, and the extrusion mechanism is pressed to make the crimping piece contact and pierce the wire in the piercing connector. The present invention discloses a multi-station piercing and crimping pliers, wherein a plurality of crimping pieces can be installed as required, so as to realize the switching of different stations of the crimping pliers for piercing and crimping wires of different piercing connectors or different rows of the same piercing connector.

Description

Technical Field

[0001] The invention relates to the technical field of electrical connectors, and in particular to a multi-station piercing and crimping pliers. Background Art

[0002] The piercing connector is a common connector that can be quickly made on site without stripping. The piercing and crimping process is relatively easy when the number of connector cores is small and the wire diameter is small. However, as the number of cores increases and the wire diameter increases, the piercing and crimping force will increase significantly. At this time, manual crimping alone may not be able to crimp into place, resulting in unreliable contact. Therefore, special tools must be used for crimping.

[0003] At present, in connectors with complex types, the interlaced wire positions of the contacts interfere with each other, which makes it very difficult to crimp with special tools. The technical problems to be solved by the present invention are: a. The existing multi-core piercing connector wires have large crimping force and are difficult to crimp manually; b. The problem of mutual interference when crimping with tools for complex types. Summary of the invention

[0004] Based on the technical problems existing in the background technology, the present invention proposes a multi-station puncture and crimping pliers. By pressing and switching the puncture sheet station, one crimping pliers is used to perform puncture and crimping multiple times in different stations, which can effectively avoid mutual interference of crimping tools.

[0005] A multi-station piercing and crimping pliers comprises an inlay, wherein the inlay comprises a vertical rod, a first cross rod and a second cross rod are vertically spaced apart at one end of the vertical rod, the first cross rod is detachably provided with at least two crimping pieces, and the second cross rod is movably connected to an extrusion mechanism; when in use, a piercing connector is placed between the first cross rod and the second cross rod, and the extrusion mechanism is pressed to make the crimping pieces contact and pierce the wires in the piercing connector.

[0006] Preferably, the first cross bar is vertically provided with a crimping piece insertion hole, the front and rear side walls of the crimping piece insertion hole are symmetrically provided with limiting holes A, and the two side walls adjacent to the limiting holes A on the inner side of the crimping piece insertion hole are vertically symmetrically provided with guide rail grooves.

[0007] Preferably, a pressing feeler is provided at the bottom end of the crimping piece, guide rails are symmetrically provided on both side walls of the crimping piece, an I-shaped groove is provided in the middle part of the crimping piece, and a limit piece is movably connected in the I-shaped groove; when in use, the crimping piece is inserted into the crimping piece socket, the guide rail matches the guide rail groove, and one end of the limit piece after passing through the two limit holes A and the I-shaped groove is movably connected to the first cross bar through a spring.

[0008] Preferably, the I-shaped groove includes a crimping groove and a giving way groove arranged horizontally at intervals, and a switching groove is vertically arranged between the crimping groove and the giving way groove; a limiting rod is provided at one end of the limiting member and a limiting platform is provided at the other end, and grooves are symmetrically provided on both side walls of the limiting platform, the limiting platform matches the crimping groove and the giving way groove, and the groove matches the switching groove.

[0009] Preferably, a spring fixing groove is provided at one end of the limiting rod away from the limiting platform.

[0010] Preferably, the second cross bar is vertically provided with a pressure block mounting hole, the front and rear side walls of the pressure block mounting hole are symmetrically provided with limiting holes B, and the side wall of the vertical rod facing the first cross bar is provided with a connecting rod mounting hole.

[0011] Preferably, the extrusion mechanism includes a pressure block, the upper end of the pressure block is inserted into the pressure block mounting hole, the lower end of the pressure block is movably connected to the upper end of the movable pressure rod, the middle part of the movable pressure rod is movably connected to one end of the movable connecting rod, and the other end of the movable connecting rod is movably connected to the connecting rod mounting hole.

[0012] Preferably, an extrusion block is provided at the upper end of the pressure block, a plug-in block is provided at the lower end of the pressure block, a plug-in slot A is provided at the upper end of the movable pressure rod, and the plug-in block is movably connected to the plug-in slot A through a pin.

[0013] Preferably, a connecting plate is provided in the middle portion of the movable pressure rod, and an inserting slot B is provided at one end portion of the movable connecting rod, and the inserting slot B is movably connected to the connecting plate via a pin.

[0014] The present invention provides a multi-station piercing and crimping pliers, which adopts a limit hole and a crimping piece insertion hole structure provided on the pliers body to install a limit piece and a crimping piece, a limit platform and a groove structure are provided on the limit piece, and a crimping piece is provided with a crimping position groove, a switching groove, a giving groove and other structures to realize multi-station switching. When the limit piece is pressed, the limit rod presses the spring backward, and the spring is compressed so that the limit piece groove is aligned with the crimping piece switching groove to switch the position of the crimping piece, and the limit piece rebounds and locks after being released.

[0015] The present invention provides a multi-station piercing and crimping pliers, which can be equipped with multiple crimping pieces as needed, so as to realize the switching of different stations of the crimping pliers for different piercing connectors and also for piercing and crimping wires with different arrangements of the connectors. This structure is easy to use and the same crimping pliers can be adjusted to realize the piercing and crimping of connectors in a complex three-dimensional arrangement state. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0017] Figure 1 It is an overall view of a multi-station piercing and crimping pliers. Figure 1 ;

[0018] Figure 2 The overall view of the multi-station piercing and crimping pliers Figure 2 ;

[0019] Figure 3 The structural view of the inlay Figure 1 ;

[0020] Figure 4 The structural view of the inlay Figure 2 ;

[0021] Figure 5 It is a structural schematic diagram of the crimping sheet;

[0022] Figure 6 It is a structural schematic diagram of a limiting member;

[0023] Figure 7 It is a schematic diagram of the structure of the briquette;

[0024] Figure 8 is a structural schematic diagram of a movable pressure rod;

[0025] Fig. 9 is a structural schematic diagram of a movable connecting rod;

[0026] Fig.10 It is a schematic diagram of the coordinated use of the crimping piece and the limiting piece;

[0027] Fig.11 The present invention is a schematic diagram of the working state of a multi-station piercing and crimping pliers.

[0028] In the figure: 1-inlay, 11-vertical rod, 111-connecting rod mounting hole, 12-first cross bar, 121-pressing piece plug hole, 122-limiting hole A, 1211-guide groove, 13-first cross bar, 131-pressing block mounting hole, 132-limiting hole B, 2-pressing piece, 21-I-slot, 211-pressing position groove, 212-switching groove, 213-yielding groove, 22-pressing contact angle, 23-guide rail, 3-extrusion mechanism, 31-pressing block, 311-extrusion block, 312-plug-in block, 32-movable pressing rod, 321-plug-in slot A, 322-connecting plate, 33-movable connecting rod, 331-plug-in slot B, 4-limiting piece, 41-limiting rod, 411-spring fixing slot, 42-limiting platform, 43-groove, 5-spring, 6-piercing connector, 7-wire. DETAILED DESCRIPTION

[0029] The present invention will be further explained below in conjunction with specific embodiments.

[0030] Reference Figure 1-11 A multi-station piercing and crimping pliers, comprising an inlay 1, the inlay 1 comprising a vertical rod 11, a first cross bar 12 and a second cross bar 13 are vertically spaced apart at one end of the vertical rod 11;

[0031] The first cross bar 12 is vertically provided with a crimping piece insertion hole 121, and the front and rear side walls of the crimping piece insertion hole 121 are symmetrically provided with limiting holes A122. The inner side walls of the crimping piece insertion hole 121 adjacent to the limiting holes A122 are vertically symmetrically provided with guide rail grooves 1211.

[0032] Three crimping pieces 2 are detachably arranged in the crimping piece insertion hole 121, a pressing feeler 22 is arranged at the bottom end of the crimping piece 2, guide rails 23 are symmetrically arranged on both side walls of the crimping piece 2, an I-shaped groove 21 is arranged in the middle part of the crimping piece 2, and a limiter 4 is movably connected in the I-shaped groove 21;

[0033] The I-shaped groove 21 includes a crimping groove 211 and a giving groove 213 arranged horizontally at intervals, and a switching groove 212 is vertically arranged between the crimping groove 211 and the giving groove 213; a limiting rod 41 is provided at one end of the limiting member 4, and a limiting platform 42 is provided at the other end, and grooves 43 are symmetrically provided on both side walls of the limiting platform 42, the limiting platform 42 matches the crimping groove 211 and the giving groove 23, and the groove 43 matches the switching groove 212; a spring fixing groove 411 is provided at the end of the limiting rod 41 away from the limiting platform 42.

[0034] When in use, the crimping piece 2 is inserted into the crimping piece socket 121, the guide rail 23 matches the guide rail groove 1211, the limit piece 4 passes through the two limit holes A122 and the I-shaped groove 21, one end of the spring 5 is connected to the spring fixing groove 411, and the other end is fixedly connected to the front side wall of the first cross bar 12, thereby realizing the movable connection between the limit piece 4 and the first cross bar 12.

[0035] The second cross bar 13 is movably connected to the extrusion mechanism 3; the second cross bar 13 is vertically provided with a pressing block mounting hole 131, and the front and rear side walls of the pressing block mounting hole 131 are symmetrically provided with limiting holes B132, and the side wall of the vertical rod 11 facing the first cross bar 12 is provided with a connecting rod mounting hole 111.

[0036] The extrusion mechanism 3 includes a pressing block 31, an upper end of the pressing block 31 is provided with an extrusion block 311, the extrusion block 311 is inserted into the pressing block mounting hole 131, a plug-in block 312 is provided at the lower end of the pressing block 31, and an inserting groove A321 is provided at the upper end of the movable pressing rod 32, and the plug-in block 312 is movably connected with the inserting groove A321 through a pin;

[0037] There are symmetrical mounting holes on the two side walls of the plug-in slot A321, and there is also a mounting hole on the pressure block 31. The pressure block 31 is placed in the plug-in slot A321, the plug-in slot A321 and the mounting holes on the pressure block 31 match each other, and then a pin is used to pass through the limiting hole B132 and the mounting hole, so that the plug-in slot A321 and the pressure block 31 can move up and down in the mounting hole 131 on the second cross bar 13, and the limiting hole B132 limits the distance of the up and down movement of the pressure block 31.

[0038] A connecting plate 322 is provided in the middle part of the movable pressure rod 32, and a mounting hole is provided on the connecting plate 322. A plug-in slot B331 is provided at one end of the movable connecting rod 33, and mounting holes are symmetrically provided on the two side walls of the plug-in slot B331. A pin is inserted into the mounting hole to realize a movable connection between the plug-in slot B331 and the connecting plate 322; a mounting hole is provided at the other end of the movable connecting rod 33, and mounting holes are symmetrically provided on the two side walls of the connecting rod mounting hole 111. A pin is inserted into the mounting hole to realize a movable connection between the movable connecting rod 33 and the connecting rod mounting hole 111.

[0039] Working principle:

[0040] like Figure 1-11 As shown, when in use, the limiter 4 is pressed, and the limiter rod 41 on the limiter 4 compresses the spring 5, so that the groove 43 of the limiter 4 is aligned with the switching groove 212 of the corresponding crimping piece 2, and the position of the crimping piece 2 is selected, and the crimping piece 2 that is not needed is manually lifted up, and after the selection is completed, it is released, and the limiter 4 rebounds naturally under the action of the spring 5. At this time, the crimping position groove 211 of the crimping piece 2 that needs to be used is engaged with the limit platform 42 of the limiter 4, and the crimping piece 2 that does not need to be used is engaged with the stop groove 213 of the limiter 4, thereby realizing the rapid switching of the crimping piece in a short time.

[0041] After the piercing connector 6 is placed between the first cross bar 12 and the second cross bar 13, the wire is installed, and the movable pressing rod 32 is pressed to push the pressing block 31 to squeeze the piercing connector 6, and the pressing contact angle 22 of the crimping piece 2 presses the wire 7 into the piercing position.

[0042] The multi-station piercing and crimping pliers proposed in the present invention can repeatedly adjust the crimping piece station to perform dislocation crimping until the crimping is completed. The structure is easy to use and the same crimping pliers can be adjusted to achieve piercing and crimping of connectors in a complex spectrum three-dimensional arrangement state.

[0043] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A multi-station piercing and crimping pliers, comprising an inlay (1), characterized in that: The inlay (1) comprises a vertical rod (11), a first cross rod (12) and a second cross rod (13) are vertically spaced apart at one end of the vertical rod (11), the first cross rod (12) is detachably provided with at least two crimping pieces (2), and the second cross rod (13) is movably connected to a pressing mechanism (3); when in use, a piercing connector (6) is placed between the first cross rod (12) and the second cross rod (13), and the pressing mechanism (3) is pressed to make the crimping piece (2) contact and pierce the wire (7) in the piercing connector (6); The first cross bar (12) is vertically provided with a crimping piece insertion hole (121), the front and rear side walls of the crimping piece insertion hole (121) are symmetrically provided with limiting holes A (122), and the inner side walls of the crimping piece insertion hole (121) adjacent to the limiting holes A (122) are vertically symmetrically provided with guide rail grooves (1211); The bottom end of the crimping piece (2) is provided with a pressing feeler (22), the two side walls of the crimping piece (2) are symmetrically provided with guide rails (23), the middle part of the crimping piece (2) is provided with an I-shaped groove (21), and the I-shaped groove (21) is movably connected to a limiting member (4); when in use, the crimping piece (2) is inserted into the crimping piece insertion hole (121), the guide rail (23) matches the guide rail groove (1211), and one end of the limiting member (4) after passing through the two limiting holes A (122) and the I-shaped groove (21) is movably connected to the first cross bar (12) through a spring (5); The I-shaped groove (21) comprises a crimping groove (211) and a clearance groove (213) arranged horizontally at intervals, and a switching groove (212) is vertically arranged between the crimping groove (211) and the clearance groove (213); a limiting rod (41) is provided at one end of the limiting member (4) and a limiting platform (42) is provided at the other end, and grooves (43) are symmetrically provided on both side walls of the limiting platform (42), the limiting platform (42) matches the crimping groove (211) and the clearance groove (213), and the groove (43) matches the switching groove (212); The second cross bar (13) is vertically provided with a pressure block mounting hole (131), and the front and rear side walls of the pressure block mounting hole (131) are symmetrically provided with limiting holes B (132), and the side wall of the vertical bar (11) facing the first cross bar (12) is provided with a connecting rod mounting hole (111).

2. The multi-station piercing and crimping pliers according to claim 1, characterized in that: A spring fixing groove (411) is provided at one end of the limiting rod (41) away from the limiting platform (42).

3. The multi-station piercing and crimping pliers according to claim 1, characterized in that: The extrusion mechanism (3) comprises a pressing block (31), the upper end of the pressing block (31) is inserted into the pressing block mounting hole (131), the lower end of the pressing block (31) is movably connected to the upper end of a movable pressing rod (32), the middle part of the movable pressing rod (32) is movably connected to one end of a movable connecting rod (33), and the other end of the movable connecting rod (33) is movably connected to the connecting rod mounting hole (111).

4. The multi-station piercing and crimping pliers according to claim 3, characterized in that: The upper end of the pressing block (31) is provided with a squeezing block (311), the lower end of the pressing block (31) is provided with a plug-in block (312), the upper end of the movable pressing rod (32) is provided with a plug-in slot A (321), and the plug-in block (312) is movably connected to the plug-in slot A (321) via a pin.

5. The multi-station piercing and crimping pliers according to claim 3, characterized in that: A connecting plate (322) is provided in the middle of the movable pressure rod (32), and an inserting slot B (331) is provided at one end of the movable connecting rod (33), wherein the inserting slot B (331) is movably connected to the connecting plate (322) via a pin.

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