TWI657631B - Crimping hand tool - Google Patents

Abstract

A crimping hand tool is used for crimping a plurality of cores of a signal wire and a shell to form a connector. The crimping hand tool includes a first jaw body, a second jaw body, a third jaw body, a fourth jaw body, a fifth jaw body, and a crimping assembly. The third clamp body has a first end and a second end opposite to each other, and the first end is pivotally connected to the first clamp body. The fourth clamp body has a third end and a fourth end opposite to each other, and the third end is slidably coupled to the second clamp body. The fifth clamp body has opposite fifth and sixth ends, the fifth end is pivotally connected to the second clamp body, and the second end, the fourth end, and the sixth end are pivotally connected to each other coaxially. The crimping assembly is movably disposed in the second jaw body and pivotally connected to the third end.

Description

Crimping tool

The invention relates to a crimping hand tool.

At present, various signal cables and signal connectors have been widely used for signal transmission, such as network cables and RJ45 connectors for transmitting network signals, and telephone lines and RJ11 connectors for transmitting telephone signals. In order to connect the wire to the required equipment, the terminal of the wire is usually connected to the corresponding connector to form a state of the cable connector. At this time, a special wire crimping tool is used to connect and fix the wire and the connector to each other.

The invention provides a crimping hand tool for crimping a plurality of cores of a cable to a housing to form a cable connector.

The crimping hand tool of the present invention is used to crimp a plurality of cores of a cable and a shell together to form a connector. The crimping hand tool includes a first jaw body, a second jaw body, a third jaw body, a fourth jaw body, a fifth jaw body, and a crimping assembly. The third clamp body has a first end and a second end opposite to each other, and the first end is pivotally connected to the first clamp body. The fourth clamp body has a third end and a fourth end opposite to each other, and the third end is slidably coupled to the second clamp body. The fifth clamp body has opposite fifth and sixth ends, the fifth end is pivotally connected to the second clamp body, and the second end, the fourth end, and the sixth end are pivotally connected to each other coaxially. The crimping assembly is movably disposed in the second clamp body and pivotally connected to the third end. When the first pliers body and the second pliers body are relatively closed with force, the third pliers body, the fourth pliers body, and the fifth pliers body are driven to push the crimping assembly to crimp the wire core to the housing together.

In an embodiment of the present invention, the second and fifth pliers are pivoted in a first direction, and the first, third, and fourth pliers are pivoted in a second direction. The first The direction is opposite to the second direction.

In an embodiment of the present invention, the second clamp body has a first crimping groove, and the crimping assembly includes a first pivoting shaft, a first crimping member, and a second crimping member. The first crimping piece and the second crimping piece are pivotally connected to the third end with the first pivotal connecting shaft, so as to be driven to make the first crimping piece and a part of the second crimping piece enter and exit the first crimping groove simultaneously. To crimp different parts of the housing. The first crimping piece and the second crimping piece are located on opposite sides of the first crimping groove.

In an embodiment of the present invention, the above-mentioned crimping hand tool further includes a first cutter and is assembled on the first crimping member. The first cutter enters and exits the first crimping groove along with the first crimping piece to cut the portion of the wire core protruding out of the casing.

In an embodiment of the present invention, the second pliers body further includes a second crimping groove, which is suitable for another casing. The above-mentioned crimping assembly further includes a third crimping member, pivotally connected the first crimping member and the second crimping member, so that the third crimping member moves in and out simultaneously with the movement of the first crimping member and the second crimping member. Second crimping groove.

In an embodiment of the present invention, the above-mentioned crimping hand tool further includes a second cutter and is assembled on the third crimping member. The second cutter enters and exits the second crimping groove with the third crimping piece to cut the part of the core of the other signal wire protruding from the outer case.

In an embodiment of the present invention, the above-mentioned second forceps body includes a forceps base, a pair of side plates, and a forceps handle. The clamp base has the above-mentioned first crimping groove and second crimping groove. The side plates are assembled on opposite sides of the clamp base. The side plate and the clamp base form a space to accommodate the crimping assembly, the fourth clamp body, the fifth clamp body, and at least a portion of the third clamp body. The fifth end of the fifth clamp body is pivotally connected between the side plates. The tong handle is assembled to the tong base and located between the side plates.

In an embodiment of the present invention, the above-mentioned guides include reaming holes respectively located on the side plates, and opposite ends of the first pivot shaft are rotatably and slidably coupled to the pair of reaming holes.

In an embodiment of the present invention, the seventh end of the fifth forceps body further has a ratchet structure. The crimping hand tool further includes a second pivot shaft, a stop block, a first elastic member, and a knob. The second pivot shaft is pivotally connected between the side plates. The stop block is sleeved on the second pivot shaft to rotate with the second pivot shaft. The stop block is located on the movement path of the seventh end, so that when the first forceps body and the second forceps body are opened and closed with each other, the stop force temporarily interferes with the ratchet structure. The first elastic member is connected between the second forceps body and the stopper block. The first elastic member constantly drives the stopper block to rotate in the third direction. When the first forceps body and the second forceps body are closed, the ratchet structure is constant. The driving stopper rotates in a fourth direction, and the third direction is opposite to the fourth direction. The knob is connected to the second pivot axis and is disposed outside the second forceps body. The knob is adapted to drive the second pivot axis under a force to move the stop block away from the ratchet structure.

In an embodiment of the present invention, the above-mentioned guide portion includes a plurality of guide grooves provided on the jaw base, respectively corresponding to the first crimping member, the second crimping member, and the third crimping member. The extending direction is consistent with the crimping direction of the crimping assembly, and is orthogonal to the penetrating direction of the first crimping groove and the penetrating direction of the second crimping groove, respectively.

In an embodiment of the present invention, the third crimping member includes a first portion and a second portion, the first portion and the second crimping member are integrated, and the second portion is pivotally connected between the first portion and the first crimping member. between.

In an embodiment of the present invention, the third clamp body and the fourth clamp body described above are each a single structure or a pair of structures.

In an embodiment of the present invention, the crimping hand tool further includes a third cutter and a top block. The third cutter is disposed on one of the first jaw body and the second jaw body, and the top block is disposed on the other of the first jaw body and the second jaw body. When the first jaw body and the second jaw body are closed to each other, the top block and the third cutter form a stripping space.

In an embodiment of the present invention, the crimping hand tool further includes a second elastic member connected between the top block and the first forceps body or between the top block and the second forceps body. The second elastic member constantly drives the top block to move toward the second forceps body or the first forceps body to abut the third cutter and maintain the wire stripping space.

In an embodiment of the present invention, the crimping hand tool further includes a third elastic member connected between the first pliers body and the second pliers body, and the third elastic member constantly drives the first pliers body to be unfolded in the second pliers body. body.

Based on the above, the crimping hand tool is connected by the link between the first clamp body, the second clamp body, the third clamp body, the fourth clamp body, and the fifth clamp body. After the user holds and applies force, he can drive the third clamp body, the fourth clamp body, and the fifth clamp body to pivot coaxially, so that the crimping component pivoted to the fourth clamp body can slide in the second clamp body, and A plurality of signal cores of the signal cable are once crimped together with the housing to form a cable connector.

In order to make the above features and advantages of the present invention more comprehensible, embodiments are hereinafter described in detail with reference to the accompanying drawings.

FIG. 1 is a schematic diagram of a crimping hand tool according to an embodiment of the present invention. FIG. 2 is a schematic diagram of the crimping of the connector in FIG. 1. At the same time, rectangular coordinates X-Y-Z are provided to facilitate component description. Please refer to FIG. 1 and FIG. 2. In this embodiment, the crimping hand tool 100 is used to crimp a plurality of cores 210 of the signal cable 200 and the housing 300 together to form a cable connector. Figure 2 is a schematic diagram of the crimping of the signal cable 200 to the housing 300 and its conductive sheet 310. As can be clearly seen from Figures 1 and 2, the user first passes the multiple cores 210 of the signal cable 200 through the shell. The first crimping groove 125 of the crimping hand tool 100 is then inserted into the perforation 312 of the body 300 to crimp the housing 300 and the signal line 200 together by operating the crimping hand tool 100, where the conductive sheet 310 will pass through. The insulation layer of the wire core 210 is broken to be electrically connected to the wires in the wire 210, and the conductive sheet 310 is used as a terminal of the cable connector.

FIG. 3A is an exploded view of the crimping tool of FIG. 1. Please refer to FIG. 1 and FIG. 3A at the same time. In this embodiment, the crimping hand tool 100 includes a first jaw body 110, a second jaw body 120, a third jaw body 130, a fourth jaw body 140, a fifth jaw body 150, and压 接 Assembling 160. Here, the second pliers body 120 is the main body of the crimping hand tool 100, which generally includes a portion A1 that houses other components and a portion A2 for the user to hold, and the first pliers body 110 is mainly for the user to hold Then, other components in the second forceps body 120 are driven.

As shown in FIG. 3A, the first forceps body 110 includes a forceps handle 111 and side plates 112 and 113 assembled on opposite sides thereof along the X axis. The second forceps body 120 includes a forceps handle 121 and side plates 122 and 123 assembled on opposite sides of the forceps handle 121 along the X axis, and a forceps seat 124 located between the side plates 122 and 123. The forceps seat 124 includes an inner seat 124a and After the outer frame 124b and the inner seat 124a are embedded in the outer frame 124b, a part of each of the side plates 122 and 123 is assembled to the outer frame 124b to form the aforementioned portion A1. Furthermore, another part of each of the side plates 122 and 123 is combined with the pliers handle 121 to form the aforementioned portion A2.

FIG. 3B is an assembly diagram of some components in FIG. 3A. Please refer to FIG. 3A and FIG. 3B at the same time. In the present embodiment, the third clamp body 130 includes components 132 and 134 coupled to each other, and the third clamp body 130 has a first end E1 and a second end E2 opposite to each other, wherein the first end E1 is pivotally connected to The first pliers body 110, that is, the components 132 and 134 are pivotally connected between the side plates 112 and 113 of the first pliers body 110 along the X-axis by a pivot member 171. Similarly, the fourth jaw body 140 includes parts 142, 144 which are paired with each other, and the fourth jaw body 140 has opposite third ends E3 and fourth ends E4, wherein the third end E3 is slidably coupled to the second end E3. The caliper body 120, and the components 142 and 144 are slidably pivotally connected to the guide portions 122a and 123a of the second caliper body 120 on the side plates 122 and 123 through the first pivot shaft 172, which are respectively located on the side plates The reaming holes on 122 and 123 allow the third end E3 to pivot in the X axis and slide along the Z axis relative to the second forceps 120, which will be described in detail later.

The fifth clamp body 150 has a fifth end E5 and a sixth end E6 opposite to each other, wherein the fifth end E5 is pivotally connected to the second clamp body 120, that is, the fifth end E5 is pivoted on the pivotal member 173. Between the side plates 122 and 123 of the second forceps body 120. It is worth noting that the aforementioned second end E2, the fourth end E4, and the sixth end E6 are pivotally connected to each other coaxially (same along the X axis) by pivotal members 174a and 174b, so that the aforementioned first Up to the fifth clamp body is able to form a connecting rod connection relationship. The crimping assembly 160 is movably disposed in the second forceps body 120. Further, the crimping assembly 160 includes a first crimping member 161, a second crimping member 162, and the aforementioned first pivoting shaft 172, wherein the first crimping member 161 and the second crimping member 162 share a first pivot The shaft 172 is pivotally connected to the third end E3 of the fourth forceps body 140.

In addition, the clamp base 124 of the second clamp body 120 has a first crimping groove 125 and a second crimping groove 126, which respectively penetrate along the X-axis and are used to accommodate different types of casings 300. For the second jaw body 120, after the side plates 122 and 123 are assembled on the jaw base 124, a space can be formed to accommodate the crimping assembly 160, the fourth jaw body 140, the fifth jaw body 150, and at least part of the third jaw body 130. On the other hand, the clamp base 124 also has a guide portion 127, such as a guide groove of the inner base 124a or a guide plane provided on the inner base 124a. The guide portion 127 corresponds to the first crimping member 161. And the second crimping member 162 so that the extending direction of the guide portion 127 can be consistent with the crimping direction (parallel Z axis) of the crimping assembly 160, that is, orthogonal to the first crimping groove 125 or the second crimping The through direction of the groove 126 is to provide a guiding effect for the first crimping member 161 and the second crimping member 162 to slide only along the Z axis.

Here, the second crimping groove 126 is used for accommodating another type of housing, and the crimping assembly 160 further includes a third crimping piece 163 which is pivotally connected to the first crimping piece by a pivoting piece 175. 161 and the second crimping member 162, so that the third crimping member 163 moves synchronously with the first crimping member 161 and the second crimping member 162 and enters and exits the second crimping groove 126. Here, the third crimping piece 163 is similarly moved into and out of the second crimping groove 126 along the X axis by the guide portion 127. Further, the third crimping member includes a first portion P1 and a second portion P2, the first portion P1 and the second crimping member 162 are an integrated structure, and the second portion P2 is pivotally connected to the first portion P1 and the first portion P1 by a pivoting member 175. Between a crimping member 161.

Based on the above, by using the link relationship between the first to fifth pliers, when the user holds the first pliers 110 and the second pliers 120 and applies force to open and close, the third The caliper body 130, the fourth caliper body 140 and the fifth caliper body 150 are linked, and then the crimping assembly 160 is driven to slide in the second caliper body 120 in the positive Z-axis direction, and the first crimping groove 125 or the second pressure The signal line 200 in the connection groove 126 and the casing 300 are crimped together.

It should also be noted that FIG. 3C is a schematic diagram of some components of a crimping hand tool according to another embodiment of the present invention. Please refer to FIG. 3B and FIG. 3C. What is different from the foregoing is that the third clamp body 130A and the fourth clamp body 140A of this embodiment are respectively a single structure, which is different from the paired structure of the previous embodiment. Here, the third jaw body 130A includes side portions 131 and 133 and a connection portion 133 connected therebetween, and the fourth jaw body 140A includes side portions 141 and 143 and a connection portion 143 connected therebetween, and the structure described in this embodiment is still The same driving effect as that of the foregoing embodiment can be achieved.

4A and 4B are schematic diagrams of a crimping operation of a crimping hand tool. FIG. 4C and FIG. 4D illustrate the internal schematic diagrams of the crimping tool from different perspectives. Please refer to FIG. 4A to FIG. 4D at the same time. As mentioned above, when the user holds and applies the first forceps body 110 and the second forceps body 120, it will cause the first forceps body 110 to pivot in the second direction D2. And the second jaw body 120 is pivoted in the first direction D1, and the fifth jaw body 150 is pivoted in the first direction D1 through the link relationship of the above-mentioned jaw body, and the third jaw body 130 and the fourth jaw body are pivoted. The body 140 pivots in a second direction D2, wherein the first direction D1 is opposite to the second direction D2.

As described above, since the second jaw body 120 has the guide portions 122a, 123a, 127, etc., the pivoting action of the first jaw body 110 to the fifth jaw body 150 can be smoothly converted into a crimping assembly 160 along Slide in the crimping direction (along the Z axis). As shown in FIG. 4C and FIG. 4D, one of the side plates 122 and 123 of the second forceps body 120 is omitted (as shown by the dashed line in the figure), and it can be clearly recognized that the inner seat 124a has a protruding structure 124c forming the aforementioned guide groove All of them can provide sufficient bearing and guiding effect for the crimping assembly 160, so the protruding structure 124c can also be regarded as a guide portion of the second clamp body 120 for guiding the crimping assembly 160.

Please refer to FIG. 3A, FIG. 4A and FIG. 4B again. In this embodiment, the crimping hand tool 100 further includes a first cutter 181 and a second cutter 182, wherein the first cutter 181 is assembled on the first crimping member 110, the first The cutter 181 enters and exits the first crimping groove 125 with the first crimping member 161. The second cutter 182 is assembled on the third crimping member 163, and the second cutter 182 moves in and out of the second crimping groove 126 with the third crimping member 163. FIG. 5A and FIG. 5B are respectively sectional views of the operation when the connector is crimped. Please refer to FIG. 2 first. The user first passes a plurality of cores 210 of the signal cable 200 through the housing 300, and the portions 212 of the cores 210 pass through and protrude beyond the housing 300, and then the state of FIG. 2 The housing 300 and the signal line 200 are inserted into the first crimping groove 125 of the crimping hand tool 100, as shown in FIG. 1, and the cross-sectional view of the crimping hand tool 100 at the first crimping groove 125 is shown in FIG. 5A. Wherein, the portion 212 also passes through the second forceps body 120 along the X axis. Next, after the aforementioned crimping process of FIGS. 4A to 4B, and then as shown in FIG. 5B, the first crimping member 161 punctures and electrically connects the conductive sheet 310 to the core wire 210, and the second crimping member 162 will The crimping block 314 of the casing 300 is pushed toward the signal line 200 and crimped to the signal line 200. At the same time, the first cutter 181 also cuts the portion 212 of the wire core 210 protruding outside the casing 300 simultaneously.

Similarly, the user can also move another type of housing and signal line into the second crimping groove 126 and perform the above-mentioned crimping action through the third crimping piece 163 (including the first portion P1 and the second portion P2), and The second cutter 182 is used to align the portion of the core of the signal cable protruding from the outer portion of the casing.

Please refer to FIGS. 3A, 4A and 4B again. In this embodiment, the crimping hand tool 100 further includes an elastic member 190 connected between the first jaw body 110 and the second jaw body 120. Here, the elastic member 190 One end is connected to the spacer 195 on the second jaw body 120, and the other end of the elastic member 190 is connected to the spacer 196 on the first jaw body 110, and the elastic member 190 is used to constantly drive the first jaw body 110 and the first jaw body 110. The two forceps bodies 120 are relatively extended. In other words, when the user performs a crimping action, as shown in FIG. 4B, the elastic member 190 is in a deformed state at this time, so when the user completes the crimping action and releases the force, the first jaw 110 and the second jaw The body 120 can be reset to the state shown in FIG. 4A by the elastic member 190.

Please refer to FIGS. 3A and 3B again. In this embodiment, the seventh end E7 of the fifth forceps body 150 further has a ratchet structure 151, and the crimping hand tool 100 further includes a second pivot shaft 191 and a stop block 192. , An elastic member 193 and a knob 194, wherein the second pivot shaft 191 is pivotally connected between the side plates 122 and 123, and a stopper block 192 is sleeved on the second pivot shaft 191 to rotate with the second pivot shaft 191. 193 is connected between the spacer 176 of the second forceps body 120 and the stopping block 192. Please refer to FIG. 4A and FIG. 4B again. The convex portion 192a of the stopper block 192 is actually located on the movement path of the ratchet structure 151 of the seventh end E7, so that the first forceps body 110 and the second forceps body 120 are opened by force. In the process of tacking, the convex portion 192a and the ratchet structure 151 can temporarily interfere with each other (temporarily snap).

It can be seen from the process of FIGS. 4A to 4B that the ratchet structure 151 rotates in the fifth direction D5, and then drives the stop block 192 to rotate in the fourth direction D4, and the elastic member 193 constantly drives the stop block 192 in the third direction D3. Rotation, where the third direction D3 is opposite to the fourth direction D4. The temporary interference (temporary snapping) herein means that the user can apply extra force to release the snapping relationship, or re-apply the force to make it snap. According to this, when the first pliers body 110 and the second pliers body 120 are caught in an abnormal crimping condition during the crimping process, the user can rotate the stopper block 192 to make the stopper block 192 and the ratchet The tooth structures 151 are disengaged from each other to release the locked state.

In addition, the knob 194 is connected to the second pivot shaft 191 and is disposed outside the second forceps body 120. The knob 194 is adapted to drive the second pivot shaft 191 under force to move the stop block 192 away from the ratchet structure 151 and Release the temporary snapping relationship. Here, the knob 194 is convenient for the user to rotate with force to drive the second pivot shaft 191 and the stop block 192. In another embodiment that is not shown, the user can also directly contact the second pivot shaft 191 (such as a groove corresponding to the screwdriver) with a suitable tool (such as a screwdriver) to drive the stop block 192 without a knob.

Please refer to FIG. 3A, FIG. 4A and FIG. 4B again. In this embodiment, the crimping hand tool 100 further includes a third cutter 183, a top block 184, and an elastic member 185. One of the second jaws 120, the top block 184 is disposed on the other of the first jaw body 110 and the second jaw body 120. Here, a third cutter 183 is provided on the second jaw body 120 and the top block 184 is provided in the first jaw body 110 as an example, but it is not limited to this, that is, the third cutter 183 and the top block 184 can be relatively opened with the first jaw body 110 and the second jaw body 120, which can be applied. In this embodiment. The elastic member 185 is connected between the top block 184 and the first forceps body 110. When the first jaw body 110 and the second jaw body 120 are closed with each other, as shown in FIG. 4B, the top block 184 and the third cutter 183 form a stripping space P3, and the elastic member 185 constantly drives the top block 184 toward the second jaw. The body 120 moves to abut the third cutter 183 and maintains the stripping space P3. The wire stripping space P3 is beneficial for the user to peel the insulation layer of the signal wire 200 or the wire core 210, thereby improving the application range and the convenience of operation of the crimping tool 100.

In summary, in the above-mentioned embodiment of the present invention, the crimping hand tool has a link relationship formed by the first jaw body, the second jaw body, the third jaw body, the fourth jaw body, and the fifth jaw body, and After the upper first jaw body and the second jaw body are forced by the user, they can drive the third jaw body, the fourth jaw body, and the fifth jaw body to pivot coaxially to drive the pressure that is pivotally connected to the fourth jaw body. The connector assembly can slide in the second clamp body, and the multiple wire cores of the signal cable are once crimped together with the housing to form a cable connector.

Wherein, the partial structure of the second pliers body forms a guide portion extending along the Z axis, including a reaming hole located on a side plate, and a guide plane or a guide groove located on the pliers base, thereby allowing the aforementioned pliers body to pivot. It can be smoothly converted into a crimping action sliding along the Z axis, and the crimping assembly can be crimped in and out of the crimping groove located in the second clamp body.

Wherein, the crimping component is provided with a cutter, so that when the crimping element enters the crimping groove, the part of the wire core protruding out of the shell can be cut together.

Among them, the second pliers body has different types of crimping grooves to correspond to different types of shells, and can effectively increase the application range of the crimping hand tool.

Among them, the crimping hand tool also includes a stopper block and a ratchet body with a ratchet structure, so that the stopper block and the ratchet structure can temporarily interfere and snap when the forceps body moves, and the stopper block is pivotally connected to Since the second pivotal shaft is used, the user can also apply force to the second pivotal shaft to perform a troubleshooting action when the crimp connection is poor.

Although the present invention has been disclosed as above with the examples, it is not intended to limit the present invention. Any person with ordinary knowledge in the technical field can make some modifications and retouching without departing from the spirit and scope of the present invention. The protection scope of the present invention shall be determined by the scope of the attached patent application.

100‧‧‧ Crimping Hand Tool

110‧‧‧first clamp body

111, 121‧‧‧ pliers handle

112, 113, 122, 123‧‧‧ side panels

120‧‧‧Second forceps

122a, 123a, 127‧‧‧Guide

124‧‧‧ clamp seat

124a‧‧‧Inner seat

124b‧‧‧Frame

1242c‧‧‧ protruding structure

125‧‧‧The first crimping groove

126‧‧‧Second crimping groove

130‧‧‧Third forceps

132, 134, 142, 144‧‧‧ parts

140‧‧‧Fourth clamp

150‧‧‧ fifth clamp

151‧‧‧ ratchet structure

160‧‧‧ Crimp Components

161‧‧‧The first crimping part

162‧‧‧Second crimping piece

163‧‧‧The third crimping piece

171, 173, 174a, 174b, 175‧‧‧ pivot

172‧‧‧first pivot

176‧‧‧ spacer

181‧‧‧The first cutter

182‧‧‧Second Tool

183‧‧‧ Third Tool

184‧‧‧Top block

185, 190, 193‧‧‧ elastic

191‧‧‧second pivot

192‧‧‧stop block

192a‧‧‧ convex

194‧‧‧ knob

195, 196‧‧‧ spacer

200‧‧‧ signal line

210‧‧‧core

212‧‧‧part

300‧‧‧shell

310‧‧‧Conductive sheet

312‧‧‧perforation

314‧‧‧Crimping block

A1, A2‧‧‧‧parts

D1‧‧‧ first direction

D2‧‧‧ Second direction

D3‧‧‧ Third direction

D4‧‧‧ Fourth direction

D5‧‧‧Fifth direction

E1‧‧‧First end

E2‧‧‧Second End

E3‧‧‧ third end

E4‧‧‧ fourth end

E5‧‧‧ fifth end

E6‧‧‧Sixth end

E7‧‧‧Seventh end

P1‧‧‧Part I

P2‧‧‧Part Two

P3‧‧‧ Stripping space

X-Y-Z‧‧‧right-angle coordinates

FIG. 1 is a schematic diagram of a crimping hand tool according to an embodiment of the present invention. FIG. 2 is a schematic diagram of the crimping of the connector in FIG. 1. FIG. 3A is an exploded view of the crimping tool of FIG. 1. FIG. 3B is an assembly diagram of some components in FIG. 3A. FIG. 3C is a schematic diagram of some components of a crimping hand tool according to another embodiment of the present invention. 4A and 4B are schematic diagrams of a crimping operation of a crimping hand tool. FIG. 4C and FIG. 4D illustrate the internal schematic diagrams of the crimping tool from different perspectives. FIG. 5A and FIG. 5B are respectively sectional views of the operation when the connector is crimped.

Claims (15)

A crimping hand tool is used to crimp a plurality of wires of a signal cable with a housing to form a connector. The crimping hand tool includes: a first A forceps body; a second forceps body; a third forceps body having a first end and a second end opposite to each other, the first end being pivotally connected to the first forceps body; a fourth forceps body having opposite A third end and a fourth end, the third end is slidably coupled to the second pliers body; a fifth pliers body has a fifth end and a sixth end opposite to the fifth end; The second clamp body, the second end, the fourth end and the sixth end are pivotally coaxially connected to each other; and a crimping assembly is movably disposed in the second clamp body and pivotally connected to the second clamp body The third end, when the first pliers body and the second pliers body are relatively closed with force, the third pliers body, the fourth pliers body and the fifth pliers body are driven to push the crimping assembly, In order to connect the cores with the casing. The crimping hand tool according to item 1 of the scope of patent application, wherein the second jaw body and the fifth jaw body are pivoted in a first direction, the first jaw body, the third jaw body and the fourth jaw body The body pivots in a second direction, the first direction being opposite to the second direction. The crimping hand tool according to item 1 of the scope of patent application, wherein the second pliers body has a first crimping groove, and the crimping assembly includes: a first pivoting shaft; and a first crimping member and a The second crimping member is also pivotally connected to the third end by the first pivoting shaft, so as to be driven to cause the first crimping member and a portion of the second crimping member to synchronously enter and exit the first crimping groove. For crimping different parts of the casing, the first crimping piece and the second crimping piece are located on opposite sides of the first crimping groove. The crimping hand tool according to item 3 of the patent application scope, further comprising: a first cutter assembled on the first crimping member, the first cutter entering and exiting the first crimping groove with the first crimping member, In order to cut out the portions of the cores protruding from the casing. The crimping hand tool according to item 3 of the patent application scope, wherein the second pliers body further has a second crimping groove, and the crimping assembly further includes: a third crimping member pivotally connected to the first crimping Piece and the second crimping piece, so that the third crimping piece moves in and out of the second crimping groove simultaneously with the movement of the first crimping piece and the second crimping piece. The crimping hand tool according to item 5 of the scope of patent application, further comprising: a second cutter assembled on the third crimping member, the second cutter entering and leaving the second crimping groove with the third crimping member, The cores of the other signal wires are cut out to protrude from the outer shell. The crimping hand tool according to item 5 of the patent application scope, wherein the second jaw body comprises: a jaw base having the first crimping groove and the second crimping groove; a pair of side plates assembled on the jaw base On opposite sides of the pair, the pair of side plates and the clamp base form a space to accommodate the crimping assembly, the fourth clamp body, the fifth clamp body and at least part of the third clamp body, the fifth of the fifth clamp body The ends are pivotally connected between the pair of side plates; and a forceps handle is assembled to the forceps base and located between the pair of side plates. The crimping hand tool according to item 7 of the scope of patent application, wherein the guide portion includes a reaming hole respectively located on the pair of side plates, and opposite ends of the first pivot shaft are rotatably and slidably coupled to the guide shaft. For reaming. According to the crimping hand tool described in item 7 of the scope of patent application, wherein a seventh end of the fifth jaw body further has a ratchet structure, the crimping hand tool further includes: a second pivot shaft, which is pivotally connected to the Between the opposite side plates; a stop block is sleeved on the second pivot shaft to rotate with the second pivot shaft, and the stop block is located on the movement path of the seventh end so that the first forceps and the When the second forceps are opened and closed with each other, the stopper temporarily interferes with the ratchet structure; a first elastic member is connected between the second forceps and the stopper, and the first elastic member is constantly driven The stopper rotates in a third direction, and when the first forceps and the second forceps are closed, the ratchet structure constantly drives the stopper to rotate in a fourth direction, and the third direction is opposite In the fourth direction; and a knob connected to the second pivot shaft and disposed outside the second pliers body, the knob is adapted to be driven by the force to move the second pivot shaft away from the stop block The ratchet structure. The crimping hand tool according to item 7 of the scope of patent application, wherein the guiding portion includes a plurality of guiding grooves provided in the clamp base, respectively corresponding to the first crimping piece, the second crimping piece, and the first crimping piece. For the three crimping pieces, the extending directions of the guide grooves are consistent with the crimping direction of the crimping assembly, and are orthogonal to the penetration direction of the first crimping groove and the penetrating direction of the second crimping groove, respectively. The crimping hand tool according to item 5 of the patent application scope, wherein the third crimping member includes a first part and a second part, the first part and the second crimping part are an integrated structure, and the second part is pivoted Connected between the first part and the first crimping part. The crimping hand tool according to item 1 of the scope of patent application, wherein the third jaw body and the fourth jaw body are respectively a single structure or a pair of structures. The crimping hand tool according to item 1 of the scope of patent application, further comprising: a third cutter provided on one of the first jaw body and the second jaw body; and a top block provided on the first jaw body. The other of the forceps body and the second forceps body, when the first forceps body and the second forceps body are closed to each other, the top block and the third cutter form a stripping space. The crimping hand tool according to item 13 of the patent application scope, further comprising: a second elastic member connected between the top block and the first forceps body or between the top block and the second forceps body , The second elastic member constantly drives the top block to move toward the second forceps body or the first forceps body to abut the third cutter and maintain the wire stripping space. The crimping hand tool according to item 3 of the scope of patent application, further comprising: a third elastic member connected between the first jaw body and the second jaw body, the third elastic member constantly drives the first jaw The body is unfolded from the second forceps body.