CN2501640Y - Pliers with automatic reset structure - Google Patents

Abstract

A forceps which has an automatic reduction structure comprises two bodies. The two ends of each body have a jaw part and a handle part. A pivot connecting part is arranged between the jaw part and the handle part of the body to connect the jaw part and the handle part. A ring capacity space is arranged between two pivot connecting parts to place a torsional spring. The capacity space extends toward the two handle part to make the two feet of the torsional spring extend out of the capacity space and respectively resist on the handle part of the two bodies. The utility model can achieve an automatic reduction effect.

Description

Pliers with the structure of automatically reseting

The utility model relates to a kind of hand-operated tools, relates in particular to the pliers with the structure of automatically reseting that a kind of elastic force by torsionspring reaches the effect that automatically resets.

As shown in figure 13, be a kind of cutting pliers of commonly using, it is by two handles 81,82 articulate composition, this two handle 81,82 top is respectively a jaw portion 811,821, this two handle 81,82 stage casings have an articulated section 812 respectively, 822 supply an articulated part 83 to wear pivot joint, the breakthrough part 813 that this articulated section 812 has an abnormity is embedded at wherein for this articulated part 83, this articulated part 83 has a locating hole 831, and has another locating hole 823 on this articulated section 822, in this breakthrough part 813 and be provided with a torque spring 84, this torque spring 84 has the foot 841 that two bendings are stretched out respectively, 842, this two foot 841,842 are inserted in this two locating hole 823 respectively, in 831, make this two handle 81, after pivoting, can borrow 82 pressurizeds the elastic force of this torque spring 84, by this two foot 841,842 order about this two handle 81,82 reset.

Aforesaid structure, owing to need in this two articulated section 812,822, to process respectively the breakthrough part 813 and a locating hole 823 of an abnormity, and this articulated part 83 also need be processed a locating hole 831, and so loaded down with trivial details processing operation will make the difficulty of processing increase, and then increase manufacturing cost.

See also Figure 14, it is a kind of slip-joint pliers of commonly using, it is by two handles 91,92 articulate composition, this two handle 91,92 top is respectively a jaw portion 911,921, this two handle 91,92 stage casings have the special-shaped groove 912 of an indent respectively, 922, and two special-shaped grooves 912, has a pivoted hole 913 in 922 respectively, 923, wear pivot joint for an articulated part 93, and this two special-shaped groove 912, be provided with a torque spring 94 in the formed space of 922 intersections, this torque spring 94 has two foots 941 of extending respectively, 942, this two foot 941,942 abut against respectively in this two special-shaped groove 912, on 922 the sidewall, make this two handle 91, after pivoting, can borrow 92 pressurizeds the elastic force of this torque spring 94, by this two foot 941, this two special-shaped groove 912 of 942 pushing tows, 922 sidewall makes this two handle 91,92 reset.

As mentioned above, it also needs to process two special-shaped grooves 912,922 respectively at this two handle 91,92, is provided with for torque spring 94, and processing two difform special-shaped grooves 912,922 certainly will increase manufacturing cost.

In gross, various heteroid pliers, as all kinds of pliers such as cutting pliers, slip-joint pliers, diagonal cutting pliers and plumbing combination plierses, because of the structure of its articulated section has nothing in common with each other, so various heteroid pliers then must design different fit structures if will reach automatically reset function, and use different springs just can finish, to the producer of pliers and Yan Shiyou improved necessity in addition.

Main purpose of the present utility model is, provide a kind of pliers for solving the above problems with the structure of automatically reseting, because the accommodation space that has a ring-type between two articulated sections of this two body is for a torsionspring setting, and the accommodation space extension appears to two shank places, make two foots of this torsionspring can stretch out this accommodation space, and abut against respectively in the shank of two bodies, behind the two shank pressurizeds of pliers, can borrow the elastic force of this torsionspring, this two shank of two foot's pushing tows of this torsionspring is resetted, to reach automatically reset effect.

The purpose of this utility model is realized by following technical scheme.

A kind of pliers with the structure of automatically reseting comprises two bodies, and an end of each body is respectively a jaw portion, and each body is a shank with respect to an end of jaw portion, and each body respectively has an articulated section for articulating mutually between jaw portion and shank; It is characterized in that, described two articulated sections have a ring-type when articulating between two articulated sections accommodation space, this accommodation space extends perforation and appears to this two shank, this accommodation space is arranged with a torsionspring, this torsionspring has two foots of extending this accommodation space, and this two foot abuts against respectively in the shank of two bodies.

The purpose of this utility model can also further realize by following technical measures.

Aforesaid pliers with the structure of automatically reseting, wherein one of them of this two articulated section has a minor diameter part, to form the accommodation space of this ring-type.

Aforesaid pliers with the structure of automatically reseting wherein is provided with the packing ring of an external diameter less than two articulated sections between this two articulated section, the space of this packing ring institute bed hedgehopping forms the accommodation space of ring-type.

Aforesaid pliers with the structure of automatically reseting, wherein this two articulated section has without exception recess in the form of a ring respectively, and this two recess connects this two articulated section respectively and appears to this two shank, to form the accommodation space of this ring-type.

Aforesaid pliers with the structure of automatically reseting, it is ccontaining with two foots that supply this torsionspring respectively that wherein this two shank has a groove respectively.

Aforesaid pliers with the structure of automatically reseting, wherein two foots of this torsionspring are bent with a hook portion respectively to hook this two shank respectively.

The utility model supplies a torsionspring setting owing to have the accommodation space of a ring-type between two articulated sections of two bodies, and the accommodation space extension appears to two shank places, make two foots of this torsionspring can stretch out this accommodation space, and abut against respectively in the shank of two bodies, behind the two shank pressurizeds of pliers, can borrow the elastic force of this torsionspring, this two shank of two foot's pushing tows of this torsionspring is resetted, can reach automatically reset effect.

For further understanding technology contents of the present utility model, characteristics and effect, exemplify following preferred embodiment now, and conjunction with figs. is described in detail as follows:

Fig. 1 is a three-dimensional appearance schematic diagram of the present utility model.

Fig. 2 is an exploded perspective schematic diagram of the present utility model.

Fig. 3 is the utility model structural representation.

Fig. 4 is an IV-IV line cutaway view shown in Figure 1.

Fig. 5 is the structural representation of the utility model second embodiment.

Fig. 6 is the structural representation of the utility model the 3rd embodiment.

Fig. 7 is the structural representation of the utility model the 4th embodiment.

Fig. 8 is the cutaway view of the utility model the 4th embodiment.

Fig. 9 is the structural representation of the utility model the 5th embodiment.

Figure 10 is the cutaway view of the utility model the 5th embodiment.

Figure 11 is the structural representation of the utility model the 6th embodiment.

Figure 12 is the cutaway view of the utility model the 6th embodiment.

Figure 13 is the cutting pliers schematic diagram of commonly using.

Figure 14 is the slip-joint pliers schematic diagram of commonly using.

See also Fig. 1 to Fig. 4, the utlity model has one first caliper 1 and one second caliper 2, the stage casing that the two ends of this first and second caliper 1,2 are respectively one first jaw portion 11, one second jaw portion 21 and one first shank 12, one second shank 22, the, one or two calipers 1,2 respectively has one first articulated section 13 and one second articulated section 23 with mutual pivot joint.In the present embodiment, this is first years old, two calipers 1,2 form the form of cutting pliers, this is first years old, two articulated sections 13,23 are provided with an external diameter less than first, two articulated sections 13,23 packing ring 14, and wear the back riveted with an articulated part 15 and articulate, make this first, two articulated sections 13, form the accommodation space A of a ring-type around 23 the packing ring 14, and this accommodation space A extends pass-out to the first, two shanks 12,22, this accommodation space A is arranged with a torsionspring 3, this torsionspring 3 has two foots 31 of extending this accommodation space A, 32, and this first, two shanks 12, have one on 22 respectively for holding the groove 121 of foot 31 or 32,221, make this two foot 31,32 elastic force that can borrow this torsionspring 3 respectively contact this first, two shanks 12,22.

During use, held by user's application of force when this first and second shank 12,22 and to close and when pivoting, can be by two foots 31,32 of these first and second shank 12,22 these torsionsprings 3 of pressing.When the user looses one's grip, this first and second shank 12,22 just can be by the back stretch of this torque spring 3, orders about this first and second shank 12,22 by this two foot 31,32 and pivots and reset.

Owing to this accommodation space A forms with this first and second articulated section 13,23 of packing ring 14 bed hedgehoppings, therefore, on making, do not need this first and second caliper 1,2 is carried out extra processing, so, can not increase the difficulty of processing, also can not increase manufacturing cost, and this first and second articulated section 13,33 there is not extra machining because of having.

In sum, because having the accommodation space A of a ring-type, this 13,33 of first and second articulated section is provided with for torsionspring 3 is set, and accommodation space A extension appears to these first and second shank 12,22 places, make two foots 31,32 of this torsionspring 3 can stretch out this accommodation space A, and abut against respectively in this first and second shank 12,22, borrow the elastic force of this torsionspring 3, this first and second shank 12,22 of two foots, 31,32 pushing tows of this torsionspring 3 is resetted, to reach automatically reset effect.

Certainly, still there are many examples in the utility model, therebetween the only variation on the details.See also shown in Figure 5, it is second embodiment of the present utility model, wherein, has a minor diameter part 412 on first articulated section 411 of first caliper 41, when second articulated section 421 of this first articulated section 411 and second caliper 42 is articulated mutually, can around this minor diameter part 412, form accommodation space A, be installed with for torsionspring 43, so, also can reach identical effect with aforementioned first embodiment.

See also Fig. 6, it is the 3rd embodiment of the present utility model, wherein has without exception first and second recess 452,462 in the form of a ring on first and second articulated section 451,461 of this first and second caliper 45,46 respectively, and this first and second recess 452,462 connects respectively and appears to this first and second shank 453,463, when this first and second articulated section 451,462 is articulated mutually, can form accommodation space A,, also can reach identical effect with aforementioned first embodiment for being installed with torsionspring 47.

See also Fig. 7 and Fig. 8, it is the 4th embodiment of the present utility model, this first and second caliper 51,52 is formed the form of a plumbing combination pliers, has a minor diameter part 512 on first articulated section 511 of this first caliper 51, when second articulated section 521 of this first articulated section 511 and second caliper 52 is articulated mutually, can around this minor diameter part 512, form accommodation space A, be installed with for torsionspring 53.Two foots 531,532 of this torsionspring 53 are bent with a hook portion 533,534 respectively for hooking this first and second shank 513,523 respectively, like this, also can reach the identical effect with aforementioned first embodiment.

See also Fig. 9 and Figure 10, it is the 5th embodiment of the present utility model, wherein this first and second caliper 61,62 is formed the form of slip-joint pliers, has a minor diameter part 612 on first articulated section 611 of this first caliper 61, when second articulated section 621 of this first articulated section 611 and second caliper 62 is articulated mutually, can around this minor diameter part 612, form accommodation space A, be installed with for torsionspring 63.Two foots 631,632 of this this torsionspring 63 are bent with a hook portion 633,634 respectively for hooking this first and second shank 613,623 respectively, so, also can reach the identical effect with aforementioned first embodiment.

See also Figure 11 and Figure 12 again, it is the 6th embodiment of the present utility model, this first and second caliper 71,72 is formed the form of a diagonal cutting pliers, have one first minor diameter part 712 and one second minor diameter part 722 respectively on first and second articulated section 711,721 of this first and second caliper 71,72, when second articulated section 721 of this first articulated section 711 and second caliper 72 is articulated mutually, can around this first and second minor diameter part 712,722, form accommodation space A, be installed with for torsionspring 73.And these torsionspring 73 2 foots 731,732 are bent with a hook portion 733,734 respectively for hooking this first and second shank 713,723 respectively, so, also can reach the identical effect with aforementioned first embodiment.

The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did.

Claims (6)

1. the pliers with the structure of automatically reseting comprises two bodies, and an end of each body is respectively a jaw portion, and each body is a shank with respect to an end of jaw portion, and each body respectively has an articulated section for articulating mutually between jaw portion and shank; It is characterized in that, described two articulated sections have a ring-type when articulating between two articulated sections accommodation space, this accommodation space extends perforation and appears to this two shank, this accommodation space is arranged with a torsionspring, this torsionspring has two foots of extending this accommodation space, and this two foot abuts against respectively in the shank of two bodies.

2. the pliers with the structure of automatically reseting according to claim 1 is characterized in that one of them of described two articulated sections has a minor diameter part, to form the accommodation space of this ring-type.

3. the pliers with the structure of automatically reseting according to claim 1 is characterized in that, is provided with the packing ring of an external diameter less than two articulated sections between described two articulated sections, and the space of this packing ring institute bed hedgehopping forms the accommodation space of ring-type.

4. the pliers with the structure of automatically reseting according to claim 1 is characterized in that, described two articulated sections have without exception recess in the form of a ring respectively, and this two recess connects this two articulated section respectively and appears to this two shank, to form the accommodation space of this ring-type.

5. the pliers with the structure of automatically reseting according to claim 1 is characterized in that, it is ccontaining with two foots that supply this torsionspring respectively that described two shanks have a groove respectively.

6. the pliers with the structure of automatically reseting according to claim 1 is characterized in that, two foots of described torsionspring are bent with a hook portion respectively to hook this two shank respectively.

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