CN2294558Y - Gardening shears - Google Patents

Abstract

The utility model relates to a pair of gardening shears, which comprises a first cutter body, a second cutter body and a stressing piece, wherein, the body sections of the first cutter body and the second cutter body are connected, and one end of the stressing piece is pivoted on the body section of the first cutter body. A long groove hole is arranged on the gardening shears which are fixedly provided with a sliding post which is perforated into the long groove hole, a linear distance from a pivoting center of the stressing piece and the first cutter body to the center of the sliding post is smaller than that of the second cutter and the first cutter body, the scheduled section of the stressing piece is connected with the connecting section of the second cutter body, when the stressing piece corresponding to the first cutter body is pivoted in a scheduled angle, the sliding post can slide in the long groove hole, and the second cutter body is driven to be pivoted corresponding to the first cutter body in a smaller angle by the long groove hole.

Description

Orchard shears

The utility model is about a kind of garden tool set, is meant a kind of orchard shears especially.

Press, a kind of as shown in Figure 1 in order to shear the orchard shears of commonly using than the working substance of hard such as branch, be to consist predominantly of:

One first cutter hub 10, it has one first operate portions 11, a force section 12 and in order to connect the body portion 13 of this operate portions 11 and this force section 12;

One second cutter hub 20, it has one second operate portions 21, a junction 22 and in order to connect the body portion 23 of this second operate portions 21 and this connecting portion 22;

One force-applying piece 30;

One moving part 40;

Wherein, an ora terminalis of this first operate portions 11 has a bearing surface 111, an ora terminalis tool one blade 211 of this second operate portions 21, and the end of this force section 12 and this force-applying piece 30 respectively is inserted in an end of a lever 50; This second cutter hub 20 is to be hubbed in the body portion 13 of this first cutter hub 10 with its body portion 23 mats, one first bolt 24 and one first nut 25, makes the blade 211 of its second operate portions 21 relative with the bearing surface 111 of this first operate portions 11; Cardinal extremity mat one second bolt 31 and one second nut 32 of this force-applying piece 30 are hubbed in the body portion 13 of this first cutter hub 10; This moving part 40 is to be articulated in respectively on the connecting portion 22 of the precalculated position of this force-applying piece 30 and this second cutter hub 20 with each mat 1 the 3rd, the 4th bolt 41,43 of its two ends, the one the 3rd, the 4th nut 42,44, but make this this second cutter hub 20 of moving part 40 transmissions, and the center of this second bolt 31 is to the air line distance of the 3rd bolt 41 air line distance less than these first bolt, 24 to the 4th bolts 43.

Use above-mentioned orchard shears structure, when gripping this two lever 50 when pulling the relative opening and closing in the force section 12 of this force-applying piece 30, this first cutter hub 10, can make this force-applying piece 30 via this this second cutter hub 20 of moving part 40 transmissions, make this first, second operate portions 11,21 opening and closing thereupon, and use this blade 211 and this bearing surface 111 butt can in order to the row shearing work.

And with the purpose of this this second cutter hub 20 of moving part 40 transmissions of these force-applying piece 30 mats; be be to make this first; second operate portions 11; 21 open; close speed and this force section 12; opening of connecting portion 22; it is unequal to close speed; and the center of this second bolt 31 is to the air line distance of the 3rd bolt 41 purpose less than the air line distance of these first bolt, 24 to the 4th bolts 43; be make this first; second operate portions 11; 21 open; close speed less than this force section 12; opening of connecting portion 22; close speed; carry out shearing work for the user with preferable application of force angle; and the blade 211 that can make this second cutter hub 20 is difficult for quick-blow and is cut thing and this bearing surface 111, has the effect of protection blade 211.

This kind orchard shears mainly is the purpose that utilization connecting rod interactive relationship reaches preferable shearing effect and protection cutter, brings many convenience for the user really in the use; Yet, it but is an a fly in the ointment that its composition member reaches the assembling complexity more, especially this orchard shears is in assembling, used four main action pieces (i.e. this first cutter hub 10, this second cutter hub 20, this force-applying piece 30 and this moving part 40) four groups of articulated parts of mat (i.e. first to fourth bolt and nut 24,31,41,43) on four groups of pivoting points, articulate binding, not only member is too many, have and raise the cost and assemble the bothersome facts, and articulated part the more, can make this orchard shears in the assembling quality, the precision of life of product and shear action reduces, and improves part so point is a worth research in fact.

In view of this, main purpose of the present utility model is to possess under the above-mentioned former powerful prerequisite of commonly using orchard shears, provides a kind of member more to simplify, cost is lower, the assembling is simpler and the orchard shears of longer service life.

Edge this, for reaching aforementioned creation purpose, the utility model mainly is to offer a long slot bore on this orchard shears, and set firmly a traveller that is placed through in this long slot bore, and this force-applying piece with in the air line distance at pivot joint center to this traveller center of this first cutter hub, be air line distance less than pivot joint center to this traveller center of this second cutter hub and this first cutter hub, with so that the connecting portion of the predetermined position of this force-applying piece and this second cutter hub link, and when making relative first cutter hub of this force-applying piece make the pivot of a predetermined angular, this traveller can slippage in this long slot bore, and uses and drive this second cutter hub and pivot when this first cutter hub is made a smaller angle relatively; So, just can save this moving part and the 3rd, the 4th bolt and nut, make that the simple element of this orchard shears, cost are lower, assembling is simple and the life-span is longer.

In order to enable to more clearly understand feature of the present utility model and effect, after lifting the utility model preferred embodiment now and cooperating following accompanying drawing to be described in more detail in, wherein:

Fig. 1 is a structure chart of commonly using orchard shears;

Fig. 2 is the component decomposition map of the utility model one preferred embodiment;

Fig. 3, Fig. 4 are the two different operating state planes that are respectively embodiment illustrated in fig. 2;

See also Fig. 2, Fig. 3, the orchard shears of the utility model one preferred embodiment consists predominantly of:

One first cutter hub 60, it has the body portion 63 of one first operate portions 61, a force section 62 and this first operate portions 61 of a connection and this force section 62, and this first operate portions 61 has a bearing surface 611 and is positioned at the one ora terminalis, and the end of this force section 62 is inserted in an end of a lever 64 and links with this lever 64;

One second cutter hub 70, it has the body portion 73 that one second operate portions 71, a junction 72 and connect this second operate portions 71 and this connecting portion 72, and this second operate portions 71 has a blade 711 and is positioned at the one ora terminalis; This second cutter hub 70 is the body portions 63 that are articulated in this first cutter hub 60 with its body portion 73 mats, one first bolt 74 and one first nut 75, makes the blade 711 of its second operate portions 71 relative with the bearing surface 611 of this first operate portions 61;

One force-applying piece 80, one end mat one second bolt 81 and one second nut 82 are hubbed in the body portion 63 of this first cutter hub 60, and its end is inserted in an end of a lever 84 and links with this lever 84;

And present embodiment mainly is to offer a long slot bore 731 on the connecting portion 73 of this second cutter hub 70, and penetrate this long slot bore 731 and be locked on the predetermined position of this force-applying piece 80 with the end of thread of one the 3rd bolt 85, form a traveller, and the air line distance at these second bolt, 81 centers to the 3rd bolt 85 centers is the air line distance less than these first bolt, 74 centers to the 3rd bolt 85 centers.

Please consult Fig. 3, Fig. 4 again, use the combination of each member of above-mentioned orchard shears, when the bearing surface 611 of this second operate portions 60 of blade 711 butts of this second operate portions 71, this blade 711 is zero with the angle Q of this bearing surface 611, and the angle Q1 of the force section 62 of this force-applying piece 80 and first cutter hub 60 then is angle Q2+ angle Q3 (as shown in Figure 3); And when pulling force-applying piece 80, when making its relative this first cutter hub 60 pivot a predetermined angular, this force-applying piece 80 is the angle Q+ angle Q2+ angle Q3 ' (as shown in Figure 4) of this blade 711 and this bearing surface 611 with the angle Q3 of this force section 62, this moment, angle Q3 ' was greater than angle Q3, so 62 angles that behind the pivot of pulling force-applying piece 80 works one predetermined angular, increased in this force-applying piece 80 and this force section, more than 611 of this blade 711 and this bearing surfaces increase the angle that is increased, that is the force-applying piece 80 of this orchard shears is opened with force section 62, close speed opening greater than its blade 711 and bearing surface 611, close speed.

So; this orchard shears is just general with the person of commonly using as described above; have and to allow the user when using this orchard shears; application of force angle that can be preferable is carried out shearing work; and the blade 711 that can make this second cutter hub 70 is difficult for quick-blow and is cut thing and this bearing surface 611; and the effect of tool protection blade 711; and this orchard shears has lacked a moving part, two bolts and two nuts and two pivoting points than commonly using orchard shears on member; its member more simplifies, assembles simpler, and the lower and longer service life of relative cost.

Claims (3)

1. orchard shears is to include:

One first cutter hub, it has the body portion of one first operate portions, a force section and this first operate portions of connection and this force section;

One second cutter hub, it has one second operate portions, a junction reaches

One connects the body portion of this second operate portions and this connecting portion, and this second cutter hub is to be articulated in the body portion of this first cutter hub with its body portion;

One force-applying piece, one end are hubbed at the body portion of this first cutter hub;

It is characterized in that:

More offer a long slot bore on this orchard shears, and set firmly a traveller that is placed through in this long slot bore, and this force-applying piece with in the air line distance at pivot joint center to this traveller center of this first cutter hub, be air line distance less than pivot joint center to this traveller center of this second cutter hub and this first cutter hub, with so that the connecting portion of the predetermined position of this force-applying piece and this second cutter hub link, and when making relative first cutter hub of this force-applying piece make the pivot of a predetermined angular, this traveller can slippage in this long slot bore, and uses and drive this second cutter hub and pivot when this first cutter hub is made a smaller angle relatively.

2. by the described orchard shears of claim 1, it is characterized in that wherein, this long slot bore is to be opened on the connecting portion of this second cutter hub, and this traveller is to be fixedly arranged on the predetermined position of this force-applying piece.

3. by the described orchard shears of claim 2, it is characterized in that wherein, this traveller is a bolt, and be directly to be locked on the predetermined position of this force-applying piece.

Images