CN203387032U - crimping pliers - Google Patents

Abstract

The utility model provides a crimping clamp, which comprises a base, a crimping component, a pressing handle and a positioning mechanism; the base is provided with an accommodating space and is provided with a pivoting part and an actuating section, and the actuating section is provided with a pressure interface; the compression joint component is arranged in the accommodating space, a sliding part of the compression joint component is provided with a lug and a compression joint part, a connecting rod of the compression joint component is pivoted with the lug, and the compression joint part is arranged corresponding to the compression joint opening; the pressing handle is pivoted with the pivoting part and the connecting rod so as to drive the pressing part to move in the pressing opening; the positioning mechanism is arranged in the accommodating space, a pawl member of the positioning mechanism is arranged on the compression joint member, a propping piece of the positioning mechanism is pivoted with the actuating section and is mutually clamped and limited with the pawl member, and an elastic body of the positioning mechanism is respectively connected with the base and the propping piece; therefore, the utility model discloses can reach location and laborsaving effect.

Description

crimping pliers

technical field

The utility model relates to a hand tool, in particular to a crimping pliers for pressing and fixing a conductive wire and a connector.

Background technique

The signal transmission between electronic products, electronic equipment or electronic instruments is usually transmitted by connecting a conductive wire to another conductive wire, and the connection between a conductive wire and another conductive wire usually needs to be fixed to a connector through a conductive wire, and then The conductive wire is electrically connected to another conductive wire by docking the connector with another connector; however, the combination of the conductive wire and the connector usually requires crimping pliers to press and fix the conductive wire and the connector on the Together.

The existing crimping pliers include a crimping handle, a base and a crimping member, the crimping handle is pivotally connected to the base, the base is provided with a crimping port, the crimping member is installed in the base, and the crimping part of the crimping member corresponds to the crimping port. It is designed so that when a force is applied to the pressure handle, when the pressure handle moves toward the base, it can drive the crimping member to move inside the base, so that the crimping part moves in the crimping port; When the connector with the conductive wire is put into the crimping port, the crimping part can exert a pressure on the connector and the conductive wire, so that the connector and the conductive wire are firmly combined.

However, the existing crimping pliers still have the following disadvantages. Since the crimping pliers are not equipped with a positioning mechanism, the user must constantly apply force to the pressure handle during the process of pressing the connector and the conductive wire, which in turn causes the user to The waste of strength makes it easy to cause the user to be tired, and needs to be improved urgently.

Utility model content

The purpose of the utility model is to provide a crimping pliers, which utilizes the abutment member and the ratchet member to lock and limit each other, so as to achieve the effect of labor saving and positioning.

The utility model provides a crimping pliers, comprising:

A base, which is provided with an accommodating space and has a pivot joint and an actuating section at both ends, and the actuating section is provided with a pressure port communicating with the accommodating space;

A crimping member installed in the accommodating space, the crimping member includes a connecting rod and a slider, the two ends of the slider respectively have a lug and a crimping part, the connecting rod is pivotally connected to the lug , the crimping part is configured corresponding to the crimping interface;

a pressing handle, pivotally connected to the pivoting part and connected to the connecting rod, so as to drive the crimping part to move in the crimping port; and

A positioning mechanism is installed in the accommodating space. The positioning mechanism includes a pawl member, an abutting piece and an elastic body. The pawl member is arranged on the crimping member, and the actuating piece is pivoted The section and the pawl member are interlocked and limited, and the two ends of the elastic body are respectively connected with the base and the abutment piece.

Further, wherein the ratchet member is a plurality of ratchets formed on the lug, the abutting member and the plurality of ratchets are engaged and limited by each other.

Further, a locking block and a pressing pin are respectively extended from both ends of the resisting member, the locking block and the plurality of ratchets are engaged with each other, and the elastic body connects the pressing pin and the pressing pin of the resisting member. At the junction, the pressing pin is away from one end of the abutment member and extends through the base, and is exposed outside the base.

Further, the positioning mechanism also includes a backstop pin, a stopper protrudes from one end surface of the slider, the backstop pin and the stopper are mutually abutted, and the two ends of the backstop pin respectively extend through The base is exposed on the outside of the base.

Further, wherein the backstop pin includes a stop section and an extension section extending from the stop section, the stop section and the stop block are opposed to each other, and the stop section and the extension section are far away from each other. One ends respectively extend through the base and are exposed on the outside of the base, and the outer perimeter of the stopper section is larger than the outer perimeter of the extension section.

Further, wherein the actuating section is provided with a guide groove communicating with the accommodating space at a position opposite to the slider, a guide pin protrudes from a side of the slider adjacent to the guide groove, and the guide pin slides in contact with the accommodating space. Guide groove.

Further, the base also has a main body section, the pivot joint and the actuating section respectively extend from both ends of the main body section, a first cutting knife is installed on the main body section, and the pressing handle is adjacent to the main body A second cutting knife corresponding to the first cutting knife is installed on one side of the segment.

Further, the side of the main body section adjacent to the second cutting knife is provided with a notch, the notch is located on one side of the first cutting knife, and a peeling circle is formed between the second cutting knife and the notch. In the line area, the side of the main body section adjacent to the second cutting knife is provided with a recessed groove, the gap is located between the first cutting knife and the recessed groove, and a groove is formed between the recessed groove and the second cutting knife Strip the flat wire area.

Further, the pivot joint is provided with a guide hole communicating with the accommodating space, and a guide post protrudes from one side of the connecting rod adjacent to the pivot joint, and the guide post slides into the guide hole and connects with the pressing handle .

Further, a torsion spring is also included, the torsion spring is installed at the pivot joint between the press handle and the pivot part, and the crimp part is formed with a plurality of crimp teeth away from an end surface of the lug.

The utility model has the following advantages:

The first point is to push the stopper section of the stop pin so that the stopper section and the stopper of the slider are in contact with each other to achieve the effect of preventing the slide and the crimping part from retreating; the second point is to use the The guide pin slides into the guide groove, so that the slider can move along the guide groove when moving, so as to ensure that the crimping part can apply a relatively average compressive stress to the connector and the conductive wire, so as to improve the effect of pressing; the third point, The second cutting knife can be moved in the direction of the first cutting knife to achieve the effect of cutting the conductive wire; the fourth point, the conductive wire can be placed in the gap or recessed groove, so that the second cutting knife can move toward the bottom of the base. Move in the direction to cut off the coating layer of the conductive wire, and then achieve the effect of stripping the coating layer of the conductive wire.

Description of drawings

Fig. 1 is a perspective view of the utility model.

Fig. 4 is a schematic diagram of the utility model.

Fig. 3 is a reference diagram (1) for use of the utility model.

Fig. 4 is the use reference figure (2) of the utility model.

In the picture:

1… Crimping pliers;

10 ... base;

11...Accommodating space; 12...Main section;

121...the first cutting knife; 122...missing groove;

123...Depressed groove; 13...Pivoting part;

131...guide hole; 14...actuating section;

141...Guide groove; 142...Crimping interface;

20... crimping member;

21...connecting rod; 211...guide post;

22…sliding piece; 221…lug;

222...Crimping part; 223...Crimping teeth;

224…guide pin; 225…block;

30... pressure handle;

31...the second cutting knife; 311...stripping round wire area;

312... Stripped wire area;

40...positioning mechanism;

401 ... pawl member;

41...Ratchet; 411...Embedding groove;

42... Arrivals; 421... Cards;

422…Pressure pin;     43…Elastomer; 

44...stop refund; 441...stop section;

442 ... extension;

50… torsion spring;

8... Conductive wire;

9…connector;

F1...force.

Detailed ways

The utility model will be further described below in conjunction with the accompanying drawings and specific embodiments, so that those skilled in the art can better understand the utility model and implement it, but the examples given are not intended to limit the utility model.

Please refer to Fig. 1 and Fig. 2, which are respectively a three-dimensional schematic diagram and a schematic diagram of the utility model. The utility model provides a crimping pliers 1, which mainly includes a base 10, a crimping member 20, a crimping handle 30 and a Positioning mechanism 40.

The base 10 defines an accommodating space 11, and the base 10 includes a main body section 12, a pivot joint 13 and an actuating section 14, the pivot joint 13 and the actuating section 14 respectively extend from both ends of the main body section 12 The upper side of the main body section 12 is equipped with a first cutting knife 121, a slot 122 and a recessed groove 123 are provided, the first cutting knife 121 is adjacent to the pivot joint 13, and the slot 122 is located between the first cutting knife 131 and the depression between the grooves 123; the pivot joint 13 is provided with a guide hole 131 communicating with the accommodating space 11; the actuating section 14 is provided with a guide groove 141 and a pressing port 142 communicating with the accommodating space 11, and the pressing port 142 is located in the guide The slot 141 is away from the side of the pivot portion 13 .

The crimping member 20 is installed in the accommodating space 11, and the crimping member 20 includes a connecting rod 21 and a sliding part 22; the connecting rod 21 protrudes from one side of the pivot portion 13 and has a guide post 211, and the guide post 21 slides The guide hole 131 of the pivoting part 13; the two ends of the slider 22 respectively have a lug 221 and a crimping part 222, the end of the connecting rod 21 away from the guide post 211 is pivotally connected to the lug 221, and the crimping part 222 corresponds to the actuating section The crimping interface 142 of 14 is equipped; the crimping portion 222 is formed with a plurality of crimping teeth 223 on one end away from the lug 221; the guide groove 141 of the actuating section 14 is located at a position opposite to the slider 22, and the slider 22 is adjacent to the guide A guide pin 224 protrudes from one side of the groove 141, and the guide pin 221 slides into the guide groove 141 of the actuating section 14; the guide groove 141 is a horizontal guide groove.

The pressure handle 30 is pivotally connected to the pivot joint 13 and the guide post 211 connected to the connecting rod 21 . When a force is applied to the pressure handle 30 , the pressure handle 30 will rotate toward the base 10 , thereby driving the crimping portion 222 of the slider 22 Move in the pressure port 142; the side of the pressure handle 30 adjacent to the main body section 12 is equipped with a second cutting knife 31 corresponding to the first cutting knife 121, and the gap 122 and the concave groove 123 are all adjacent to the main body section 12 On one side of the second cutting knife 31 , a round stripping area 311 is formed between the second cutting knife 31 and the notch 122 ; a flat stripping area 312 is formed between the concave groove 123 and the second cutting knife 31 .

The positioning mechanism 40 is installed in the accommodating space 11 of the base 10; the positioning mechanism 40 includes a pawl member 401, an abutting member 42, an elastic body 43 and a back-stop pin 44; the pawl member 401 is formed on the sliding part A plurality of ratchets 41 of the lug 221 of 22; the actuating section 14 of the base 10 is pivotally connected to the abutment member 42, and a locking block 421 and a pressing pin 422 extend from both ends of the abutment member 42 respectively; The block 421 and the plurality of ratchets 41 are engaged with each other, and the end of the pressure pin 422 away from the abutment member 42 extends through the base 10 and is exposed outside the base 10; the two ends of the elastic body 43 are respectively connected to the base 10 and the abutment member 42 and the junction of the pressing pin 422; the anti-retraction pin 44 includes a stopper section 441 and an extension section 442 extending from the stopper section 441, and a stopper 225 is protruded from one end surface of the slider 22. The stopper section 441 and the stopper 225 are in contact with each other, and the ends of the stopper section 441 and the extension section 442 are respectively extended through the base 10 and exposed outside the base 10; the outer circumference of the stopper section 441 is larger than that of the extension section 442 The outer circumference dimension; Elastic body 43 is a spring.

The crimping pliers 1 further includes a torsion spring 50 installed at the pivot joint between the press handle 30 and the pivot joint 13 .

Please refer to Fig. 3 and shown in Fig. 4, which are respectively the use reference figure (1) and the use reference figure (2) of the present utility model. The wire 8 is inserted into the connector 9, and then the connector 9 is inserted into the pressure port 142 of the actuating section 14, and then a force F1 is applied to the pressure handle 30, so that the pressure handle 30 moves toward the base 10 to drive The connecting rod 21 and the guide post 211 move toward the main body section 12 along the guide hole 131 of the pivot joint 13, so that the connecting rod 21 pushes the slider 22 to move toward the actuating section 14, and then the crimping of the slider 22 The part 222 moves into the crimping port 142, and the crimping teeth 223 of the crimping part 222 apply a pressure to the connector 9, so that the connector 9 and the conductive wire 8 are crimped and fixed into one body.

Wherein, since a torsion spring 50 is installed at the pivot joint between the pivot joint 13 and the pressing handle 30, after the procedure of pressing and fixing the connector 9 and the conductive wire 8 into one is completed, the torsion spring 50 can provide the A tension, to drive the pressing handle 30 to move away from the base 10, so that the pressing handle 30 drives the connecting rod to move away from the actuating section 14, so as to pull the slider 22 away from the pressing port 142, so that the sliding The crimping portion 222 of the component 22 is moved out of the crimping interface 142 for the next procedure of crimping and fixing the connector 9 and the conductive wire 8 .

Wherein each ratchet 41 is respectively formed with an embedding groove 411, when the connecting rod 21 pushes the sliding piece 22 to move toward the pressure interface 142, the locking piece 421 of its abutting piece 42 will move along the opposite direction to the sliding piece 22. direction and embedded in the corresponding embedding groove 411, and at the same time, the elastic body 43 will provide a pulling force for the abutting member 42, so that the locking block 421 is aligned with the ratchet 41 on one side or both sides of the embedding groove 411. When a pressure is applied, the locking block 421 and the ratchet 41 located on one side or both sides of the embedded groove 411 are locked and fixed to each other, thereby preventing the pressing handle 30 from moving away from the base 10 due to the tension of the torsion spring 50 , thereby saving the amount of force applied by the user to move the pressure handle 30 toward the base 10, thereby achieving the labor-saving effect, in addition, it also has a positioning function; moreover, when the tension of the torsion spring 50 is used When the pressure handle 30 is moved back to its original position in a direction away from the base 10, the pressure pin 422 exposed on the outside of the base 10 of the abutment piece 42 can be pressed, so that the pressure pin 422 drives the abutment piece 42 to rotate, so that the locking piece 421 Move out from the embedding groove 411, so that the pressure handle 30 can be smoothly moved back to the original position.

When the crimping portion 222 of the slider 22 is moved into the crimping port 142, the stopper pin 44 can be pushed to the end of the block section 441 exposed outside the base 10, and the stopper pin 44 can be pushed to move toward the extension section 442, so that The stopper section 441 can abut against the stopper 225 of the slider 22, so as to prevent the reaction force generated by the connector 9 on the crimping portion 222 from pushing the slider 9 when the connector 9 and the conductive wire 8 are pressed together. The crimping part 222 of 22 is pushed away from the crimping interface 142, causing the procedure of crimping and fixing the connector 9 and the conductive wire 8 to fail, thus achieving the effect of stopping the sliding part 22 and the crimping part 222, and also saving the user from applying The force F1 of the pressure handle 30; in addition, after the pressing and fixing procedure of the connector 9 and the conductive wire 9 is completed, the end of the extension section 442 exposed on the outside of the base 10 can be pushed to push the backstop pin 44 44 moves toward the stop section 441, so that the stop section 441 moves away from the stop block 223, so that the pressure handle 30 can be smoothly moved back to the original position by the tension of the torsion spring 50, and the crimping member 20 is driven back to the original position bit.

In addition, the guide groove 141 of the actuating section 14 can be slidably connected by the guide pin 224 of the slider 22, so that the slider 22 can move along the guide groove 141 when moving, so that the movement of the slider 22 can be horizontal. To ensure that the crimping portion 222 exerts a relatively uniform compressive stress on the connector 9 and the conductive wire 8 , thereby improving the crimping effect of the crimping portion 222 on the connector 9 and the conductive wire 8 .

Moreover, the conductive wire 8 can be placed between the first cutting knife 121 and the second cutting knife 31, and the second cutting knife 31 is driven by applying a force F1 to the pressing handle 30 to move toward the base 10. Move toward the direction of the first cutting knife 121 to achieve the function of cutting off the conductive wire 8; in addition, if the coating layer of the conductive wire 8 is to be stripped to expose the wire rod of the conductive wire 8, the conductive wire 8 can be placed on In the missing groove 122 or the recessed groove 123, a force F1 is applied to the pressure handle 30, and the second cutting knife 31 is driven to move towards the base 10, so as to cut off the coating layer of the conductive wire 8, thereby achieving stripping of the conductive wire 8. The effect of cladding.

The above-mentioned embodiments are only preferred embodiments for fully illustrating the utility model, and the protection scope of the utility model is not limited thereto. Equivalent substitutions or transformations made by those skilled in the art on the basis of the present utility model are all within the protection scope of the present utility model. The scope of protection of the utility model shall be determined by the claims.

Claims (10)

1. a Press Plier, is characterized in that, comprising:

One base, be provided with an accommodation space and two ends and have respectively an articulated section and a start section, and this start section offers a crimping mouth that is communicated with this accommodation space;

One crimping member, be arranged in this accommodation space, and this crimping member comprises a connecting rod and a sliding part, and these sliding part two ends have respectively a lug and a pressure contact portion, this this lug of connecting rod pivot joint, and this pressure contact portion is to setting by the crimping mouth;

One pressure handle, this articulated section of pivot joint and connect this connecting rod, move in this crimping mouth thereby drive this pressure contact portion; And

One location mechanism, be arranged in this accommodation space, this detent mechanism comprises a pawl component, and supports master unit and an elastomer, this pawl component is arranged on this crimping member, should support this start section of master unit pivot joint and spacing with the mutual stopper of this pawl component, these elastomeric two ends connect respectively this base and should support master unit.

2. Press Plier as claimed in claim 1, is characterized in that, wherein this pawl component is a plurality of ratchets that are molded over this lug, should be spacing to master unit and the mutual stopper of the plurality of ratchet.

3. Press Plier as claimed in claim 2, it is characterized in that, a blocking block and a pad are extended respectively in the two ends that wherein should support master unit, this blocking block and the mutual stopper of the plurality of ratchet, this elastomer connects this pad and the intersection that should support master unit, this pad supports an end of master unit and extends away from this and passes this base, and the exposed outside at this base.

4. Press Plier as claimed in claim 3, it is characterized in that, wherein this detent mechanism also comprises a retaining pin, and a side end face of sliding part protrudes out and forms a block, this retaining pin and this block support sincere mutually, and the two ends of this retaining pin are extended respectively and passed this base and the exposed outside at this base.

5. Press Plier as claimed in claim 4, it is characterized in that, the extension that wherein this retaining pin comprises sincere section an of gear and extends from sincere section of this gear, this sincere section of gear and this block support sincere mutually, sincere section of this gear and this extension mutually away from an end extend respectively and pass this base exposed in the outside of this base, the outer perimeter size that this gear is sincere section is greater than the outer perimeter size of this extension.

6. Press Plier as claimed in claim 5, is characterized in that, wherein this start section offers a guide groove that is communicated with this accommodation space in the position relative with this sliding part, and a side of contiguous this guide groove of this sliding part has protruded out a pilot pin, and this pilot pin slips this guide groove.

7. Press Plier as claimed in claim 6, it is characterized in that, wherein this base also has a main paragraph, this articulated section and this start section are extended from the both ends of this main paragraph respectively, this main paragraph is equipped with one first cutoff tool, one second cutoff tool that a side is equipped with and this first cutoff tool correspondence sets of contiguous this main paragraph of this pressure handle.

8. Press Plier as claimed in claim 7, it is characterized in that, wherein a side of contiguous this second cutoff tool of this main paragraph is provided with a short slot, this short slot position is in a side of this first cutoff tool, form a Bao Yuanxian district between this second cutoff tool and this short slot, one side of contiguous this second cutoff tool of this main paragraph is provided with a recessed groove, and this short slot position, between this first cutoff tool and this recessed groove, is formed with a stripping lenticular wire district between this recessed groove and this second cutoff tool.

9. Press Plier as claimed in claim 1, is characterized in that, wherein this articulated section offers a bullport that is communicated with this accommodation space, and a side of contiguous this articulated section of this connecting rod has protruded out a guide pillar, and this guide pillar slips this bullport and connects this pressure handle.

10. Press Plier as claimed in claim 1, is characterized in that, also comprises a torque spring, and this torque spring is arranged on the articulated section of this pressure handle and this articulated section, and this pressure contact portion is away from an end face of this lug and form a plurality of crimping teeth.

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