CN2282282Y

CN2282282Y - Improved terminal crimping pliers

Info

Publication number: CN2282282Y
Application number: CN 96222244
Authority: CN
Inventors: 陈庆珍
Original assignee: Individual
Current assignee: Individual
Priority date: 1996-11-15
Filing date: 1996-11-15
Publication date: 1998-05-20
Anticipated expiration: 2006-11-15

Abstract

The utility model provides an improved terminal crimping pliers. The crimping pliers comprises a first plier arm, a movable plier mouth pivoted on the first plier arm and a second plier arm used for linking the movable plier mouth, wherein the tail end of the movable plier mouth is provided with a fan-shaped ratchet wheel which can swing along with the opening and closing of the movable plier mouth, the first plier arm is further provided with a positioning element used for meshing the ratchet wheel to fix the plied state of the movable plier mouth or release the plied state of the plier mouth, and an optimal and stable clamping force can be obtained by the action of the ratchet wheel so as to ensure that the clamped cable and the connector thereof can be tightly clamped together.

Description

The terminal Press Plier of improvement

The utility model relates to a kind of terminal Press Plier of improvement, and is particularly a kind of in order to cable and connector cramp joint a kind of hand tool together.

Use the terminal Press Plier with cable and connector cramp joint technology together, early well known, Fig. 1 is a kind of plane structure chart of commonly using the terminal Press Plier, referring to Fig. 1, it has the movable jaw 11, that a fixing last tong arm 10, is hubbed at tong arm 10 on this and makes the following tong arm 12 of opening and closing campaign in order to these adjustable clamp 11 mouths of interlock, and one be articulated in this time tong arm 12 in order to fixing this time tong arm 12, or discharge the ratchet lever 13 of this time tong arm 12;

Wherein this ratchet lever 13 is these activity jaw 11 opening and closing degree of control, and the main element of the clamp strength of this Press Plier, but this ratchet lever 13 sees through this time tong arm 12 interlocks should activity jaw 11, that is be if desire to make this activity jaw 11 certain clamping together, and stable this clamping force amount of keeping, this time tong arm 12 that makes that then this ratchet lever 13 generals must be certain maintains a fixing position, yet but there is following problem in the design of this located by prior art:

One, be exactly because this ratchet lever 13 and this time tong arm 12, and between this time tong arm 12 and this activity jaw 11 on making error, or the error on being connected therebetween, even the user hold this time tong arm 12 with should in the tong arm 10, aforesaid movable jaw 11 still can't be corresponding with another jaw clamping together tightly, will cause thus cable can't with firm the linking together of this connector.

Therefore, the user is if desire at any time this activity jaw 11 of release, and is very inconvenient on manipulating being exactly that this is commonly used the terminal Press Plier and makes element 14 in order to the evil spirit who discharges this time tong arm two,, is between tong arm on this 10 and this time tong arm 12.

Therefore, this Press Plier can't make cable and certain the clamping together together of connector three, first institute says that because the error of making, this activity jaw 11 is everlasting when not reaching the position of closely closing as described above, and this ratchet lever 13 just gets loose.

In a word, the design of aforementioned located by prior art, because its relevant pivot connecting element number is too much, its whole connection error is also big, makes the quality of this Press Plier be affected.

The purpose of this utility model be to provide a kind of improvement can be certain pincers tightly desire two article of cramp joint, and provide good pincers to press quality, can reduce foozle, maneuverable terminal Press Plier.

The purpose of this utility model is finished by following technical solution: this Press Plier has first tong arm, be hubbed at the movable jaw of this first tong arm, and in order to interlock should the activity jaw second tong arm, the tail end of this activity jaw has the fan-shaped ratchet in order to the opening and closing degree of controlling movable jaw, and do not see through the third party's interlock again, therefore, the parts number of its association will obtain to reduce, relatively under its error after manufacturing is finished just can reduce.Be hubbed at one of this first tong arm side, in order to discharging the setting element of this activity jaw, its tail end and exposing, therefore very convenient in operation.Nearly its place that is pivoted of the tail end of this setting element, also hook is provided with the spring that other end hook is buckled in this first tong arm, the pulling force of spring makes the normal state that keeps touching this ratchet of head end of this setting element by this, fix the clamping state of this activity jaw in order to mesh this ratchet, or mat is stirred this setting element and is removed the clamping state of this activity jaw.

Earlier as follows to the utility model description of drawings:

Fig. 1 is the planar configuration figure that commonly uses the terminal Press Plier.

Fig. 2 is a structure chart of the present utility model, the complete open situation of show events jaw.

Fig. 3 is another structure chart of the utility model, the situation that the show events jaw clamps together gradually.

Fig. 4 is another structure chart of the present utility model, and the show events jaw clamps together fully, and this setting element discharges the situation of this fan-shaped ratchet.

Following conjunction with figs. specifies technology contents of the present utility model and embodiment.See also accompanying drawing, the utility model includes one first tong arm 2, be hubbed at this first tong arm 2 movable jaw 3 and in order to interlock should activity jaw 3 second tong arm 4.

Tail end that wherein should activity jaw 3 has one and is fan-shaped ratchet 30, and this ratchet 30 can be swung along with the opening and closing of this activity jaw 3, in order to react the opening and closing degree of this activity jaw 3; And this first tong arm 2 is pivoted with a setting element 5 in addition, make this activity jaw 3 be maintained at the position of open/closing at its place in order to the ratchet 301 that is engaged in this ratchet 30, or remove aforementioned position, and in the meshing relation d/d while of this ratchet 301 with this setting element 5, this activity jaw 3 will return back to open configuration shown in Figure 2 under the interlock of a spring 6 these second tong arms 4 of pulling.

Aforesaid ratchet 30 is provided with one in addition and discharges tooth 302, this tooth paddy degree of depth that discharges tooth 302 is slightly larger than the degree of depth of aforementioned ratchet 301, this release tooth 302 is to be in close proximity to the ratchet 301 that this activity jaw 3 of reaction is positioned at the position that clamps together fully, therefore, when corresponding with another the completely fixedly jaw 20 of movable jaw 3 clamps together, the user is as long as slightly firmly hold this second tong arm 4 again, cause the head end 50 of this setting element 5 to be engaged in this release tooth 302, just can remove the meshing relation of this setting element 5 and this ratchet 30, return back to the state of Fig. 2 as described above.

This setting element 5 is a rod-shaped elements always, its stage casing system is hubbed at first tong arm 2, the tail end 51 of this setting element 5 slightly protrudes in the outside of this first tong arm 2 and exposes, so that the user is the usefulness of this engagement of compulsory commutation at any time, tail end 51 near its of this setting element 5 place that is pivoted, still hook is provided with the spring 52 that other end hook is buckled in this first tong arm 2, and the pulling force of spring 52 is so that the head end 50 normal states that keep touching this ratchet 30 of this setting element 5 by this.The pivot 53 of aforesaid again setting element 5 is an eccentric shaft (not shown), the user can change the degree of depth that engages into this ratchet 301 of this head end 50 through this eccentric shaft of rotation, if this depth of engagement is little, then the user is when this activity jaw 3 reaches the degree that closely clamps together, only need slightly firmly to hold with a firm grip again this first tong arm 2, second tong arm 4, just can make the head end 50 of this setting element 5 easily, engage into this release tooth 302; Otherwise if this depth of engagement is bigger, then the user then needs then to apply bigger strength hold with a firm grip this first tong arm 2 and second tong arm 4 when this activity jaw 3 reaches the degree that closely clamps together, and just can make the head end 50 of this setting element 5, engages into this release tooth 302; Therefore, this eccentric pivots 53 can provide a function of adjusting.

The utlity model has following beneficial effect: fan-shaped ratchet 30 of the present utility model is a tail end of directly being located at this activity jaw 3, and this setting element 5 in order to locate this activity jaw 3, then be direct and these ratchet 30 engagements, it does not see through any third party's design, except reducing the error of assembling, but the more effect of this ratchet of mat and obtain a best and stable clamping force amount, with guarantee between cable that this cramp joint is finished and the connector thereof can be tightly clamp together, and operation easily.

Claims

1, a kind of terminal Press Plier of improvement, this Press Plier has first tong arm (2), be hubbed at the movable jaw (3) of this first tong arm (2), and in order to interlock should activity jaw (3) second tong arm (4), it is characterized by: the tail end of this activity jaw (3) has one and is fan-shaped ratchet (30), this ratchet (30) can be swung along with the opening and closing of this activity jaw (3), in order to react the opening and closing degree of this activity jaw (3), and this first tong arm (2) is pivoted with a setting element (5) in addition, this setting element (5) is a rod-shaped elements always, its stage casing system is hubbed at first tong arm (2), the tail end (51) of this setting element (5) slightly protrudes in the outside of this first tong arm (2) and exposes, the tail end (51) of this setting element (5) is its place that is pivoted closely, still hook is provided with the spring (52) that other end hook is buckled in this first tong arm (2), the pulling force of spring (52) is so that the normal state that keeps touching this ratchet (30) of the head end (50) of this setting element (5) by this, fix the clamping state of this activity jaw (3) in order to mesh this ratchet (30), or mat is stirred this setting element (5) and is removed the clamping state of this activity jaw (3).

2, the terminal Press Plier of a kind of improvement as claimed in claim 1, it is characterized in that said fan-shaped ratchet (30) is provided with one in addition and discharges tooth (302), this tooth paddy degree of depth that discharges tooth (302) is slightly larger than the degree of depth of aforementioned ratchet (301), this release tooth (302) is to be in close proximity to the ratchet that this activity jaw (3) of reaction is positioned at the position that clamps together fully, when corresponding with another the completely fixedly jaw (20) of movable jaw (3) clamps together, the user is as long as slightly firmly hold this second tong arm (4) again, cause the head end (50) of this setting element (5) to be engaged in this release tooth (302), just can make this activity jaw (3) return back to complete open state.