CN2504886Y

CN2504886Y - Cutting implements for horticultural purpose

Info

Publication number: CN2504886Y
Application number: CN 01266137
Authority: CN
Inventors: 林有堂
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-10-29
Filing date: 2001-10-29
Publication date: 2002-08-14
Anticipated expiration: 2011-10-29

Abstract

A shearing and chopping block for gardening is arranged on gardening shears. The gardening shear comprises at least an active jaw and a fixed jaw that are articulated with each other; the active jaw is provided with a cutter edge which has edge part; the fixed jaw is provided with a chopping block, which has an insection part, and the chopping block is also vertically provided with a groove that allows the edge part insert into; the groove is the first contact end of the shearing and cutting direction, and reaches the final contact end of the shearing and cutting direction from narrow to wide; so the utility model can guide the cutter to insert into the groove correctly and keep the permanent and fluent shearing and cutting action of the gardening shears.

Description

The Shears for gardening chopping block

Technical field

The utility model is relevant with orchard shears, refers to a kind of Shears for gardening chopping block particularly.

Background technology

The blade of its blade of orchard shears that the general shear branches and leaves are used is for fear of because of actuated shear, touch to the opposite side position of relative interlock and impaired, therefore the relative edge of this blade start interlock, other is installed with the softer chopping block of a material, so that during the blade actuated shear, can be because of the blade of blade and the mutual conflict clashing and breaking blade at opposite side position, so make the blade of blade normal protect sharp.

Yet; should use the chopping block 10 (as shown in Figure 1) of orchard shears always; the blade position of its this blade of conflicting normally is a smooth bearing plane 11; should use orchard shears always in use for some time; the bottom part of its blade is because of comparatively near the junction of this blade and jaw; so the bottom part of this blade comparatively firmly can not shake partially during shear actuation; when the leading section of this blade is positioned at shear actuation on the contrary; the phenomenon that the pine rolling is shaken partially slightly takes place with regard to regular meeting; therefore often the bearing plane 11 of this chopping block 10 is cut and mark the different tool marks in many roads 12; and these tool marks 12 are mostly at its bottom part same position; the front end of these tool marks 12 is then because of the inclined to one side rolling of blade front end; and then cut and draw on diverse location; cause this chopping block 10 under the blade cutting of long-term blade; cause the damage of this bearing plane 11, and then make this orchard shears that the situation that can't cut off the trunk branches and leaves fully take place.

Moreover, as shown in Figure 2, be Taiwan application case number No. 84217006 novel patent case " the chopping block improvement structure of Shears for gardening ", it is in order to make Shears for gardening 20 when shearing branches and leaves, the inlay card that cooperates firmly of its chopping block 21 and blade 22 is lived branches and leaves, then on the bearing plane 23 of this chopping block 21, be provided with a ratchet part 24, to increase the interlock strength of this Shears for gardening 20, make the phenomenon of branches and leaves unlikely generation slippage when shear actuation, and make shear actuation more smooth smoothly; Only, the ratchet part 24 of this chopping block cutter is a dual-side of being located at this bearing plane 23, its bearing plane 23 central authorities position longitudinally there is no the structure of ratchet part 24, cause the solid effect of holding under the arm of this chopping block 21 sometimes and not to the utmost desirable, add that also none can suitably guide the structure of blade 25 embeddings of this blade 22 on this bearing plane 23, therefore also can cause this bearing plane 23 under blade 25 cuttings of long-term blade 22, cause the damage of this chopping block 21, and then make the start that this Shears for gardening 20 takes place to shear can't cut off the trunk branches and leaves smoothly, so it still remains improvements.

The utility model content

Main purpose of the present utility model is to provide a kind of Shears for gardening chopping block, makes Shears for gardening when using one section after the letter, still can be effectively and shear definitely glibly and cut thing, effectively prolong the service life of this Shears for gardening.

For achieving the above object, the utility model Shears for gardening chopping block is installed on the orchard shears, and this orchard shears includes two movable jaw and the fixed jaws that articulate mutually at least, and the front end of this movable jaw is provided with a blade, and this blade then has a blade; The front end of this fixed jaw then is installed with a chopping block with respect to the blade place of this movable jaw, this chopping block then is to form the bearing plane that is complementary shape with this blade profile with respect to a side of this blade, be longitudinally set with one along this blade shear direction on the shear surface of this chopping block and can hold the V word shape groove that this blade embeds, and this groove is to be positioned near be articulated the at first contact jaw at place of this fixed jaw and movable jaw, by the narrow final contact jaw that is articulated and locates away from this fixed jaw and movable jaw to being positioned at of gradually opening; Thus, this blade is sheared accurately into this groove, be impelled this Shears for gardening can keep smooth and easy fluent shear actuation for a long time.

Wherein this chopping block is provided with a groove portion that matches with this groove and this blade, in order to increase the effect of this Shears for gardening fixing interlock.

Wherein this groove is positioned near be articulated the at first contact jaw at place of this fixed jaw and movable jaw, and the angle that its dual side-edge was is and is the best between the 55-65 angle.

Wherein this groove is positioned near the be articulated final contact jaw at place of this fixed jaw and movable jaw, and the angle that its dual side-edge was is to be to be the best between the 115-125 angle.

Wherein the blade blade that is set firmly on the movable jaw of this orchard shears generally is flat, and the groove of this chopping block then is the flat that matches.

Wherein the blade blade that is set firmly on the movable jaw of this Shears for gardening generally is the curved arc shape, and the groove of this chopping block then is the concave arc shape that matches.

Relevant detailed construction of the present utility model, function and characteristics can be elaborated and are able to abundant understanding by following examples conjunction with figs..

Description of drawings

Fig. 1 is the front view of Shears for gardening chopping block commonly used after using a period of time.

Fig. 2 is the combination schematic perspective view of Shears for gardening commonly used.

Fig. 3 is the exploded perspective view that the utility model first preferred embodiment is installed in orchard shears.

Fig. 4 is the combination stereogram of Fig. 3.

Fig. 5 is the end view of the utility model first preferred embodiment chopping block.

Fig. 6 is the front view of the utility model first preferred embodiment chopping block.

Fig. 7 is the upward view of the utility model first preferred embodiment chopping block.

Fig. 8 is the stereogram of the utility model second preferred embodiment.

Fig. 9 is the stereogram of the utility model the 3rd preferred embodiment.

Embodiment

See also Fig. 3 and shown in Figure 4, the utility model Shears for gardening chopping block is installed on the Shears for gardening 30, and this orchard shears 30 includes a fixed jaw 31, and the upper end of this fixed jaw 31 has one and sets firmly portion 32, and this sets firmly and then is provided with two screw 321﹠amp in the portion 32; 322, the lower end of this fixed jaw 31 then with a holding rod 33 combination that socket-connects; One movable jaw 34, its leading portion be then by a bolt 341 and a washer 342 and wear on the position, stage casing that is articulated in this fixed jaw 32, its lower end then with the combination that socket-connects of another holding rod 33; One support arm 35, one end are articulated in the position, stage casing of this movable jaw 34, and the other end then is provided with a junction 351; One blade 36, generally be straight en plaque, it has the cutter portion 361 of a curved arc shape, these blade 36 interludes are worn the interlude that pivot is connected to this fixed jaw 31 by another bolt 37, its base is provided with an extension 38 outward, 381 of this extensions offer an elongate slot 39, and just the connecting portion 351 for this support arm 35 is pivoted mutually by a bolt 352; One chopping block 50 is hubbed at the portion that sets firmly 32 of these fixed jaw 31 upper ends; What the utility model will be mentioned promptly is the structure-improved of relevant this chopping block 50.

This chopping block 50 is that soft material is made by copper or aluminium alloy etc. than the iron and steel metal, its rear end then is formed with an embedding part 51 (as shown in Figure 3), this embedding part 51 can snap in the portion that sets firmly 32 of this fixed jaw 31, and its appropriate position, side has been horizontally set with two perforation 52﹠amp; 53, make this two perforation 52﹠amp; 53 are cooperated two bolt 54﹠amp; 55 wear and are locked in this and set firmly the two screw 321﹠amp that portion 32 is oppositely arranged; 322, impel this chopping block 50 to set firmly combination mutually with fixed jaw 31.

See also Fig. 5 again to shown in Figure 7, this chopping block 50 forms the bearing plane 56 of an identical curved arc curvature in blade 361 sides of relative these movable jaw 34 blades 36, and vertically be provided with 58 (as shown in Figure 6) of V word shape groove that the blade 361 that can guide this blade 36 embeds on this bearing plane 56, and this groove 58 is along the at first contact jaw 581 (that is articulating part mutually near this fixed jaw 31 and this movable jaw 34) of blade 36 shear directions, the angle that its dual side-edge was is between 55-65 degree angle (as shown in Figure 7), and by this at first contact jaw 581 is by the narrow final contact jaw 582 to this groove 58 along blade 36 shear directions (that is articulating parts mutually away from this fixed jaw 31 and this movable jaw 34) of gradually opening, the angle that these final contact jaw 582 sides are is to be between the 115-125 degree.

Thus, when this fixed jaw 31 is the shear actuation that opens or fold with this movable jaw 34, can guide this blade 36 shears in this groove 58 of embedding accurately, after even this Shears for gardening 30 uses a period of time, this blade 36 is sheared accurately gone into this groove 58, can not cut and mark different tool marks and destroy this chopping block 50, impel this Shears for gardening 30 can keep shearing smoothness effect smoothly lastingly.

See also shown in Figure 8 again, itself and first preferred embodiment institute difference, for the bearing plane 61 of this chopping block 60 is provided with a groove portion 62, this groove portion 62 vertically is located on this bearing plane 61 in the mode that is arranged in parallel, 61 also be longitudinally set with a V word shape groove 63 on this bearing plane simultaneously, so the function that not only can promote these Shears for gardening 30 clamping trunk branches and leaves also can make this Shears for gardening 30 keep lastingly and shear effect smoothly.

See also shown in Figure 9 at last, the utility model might not limit on the chopping block that is combined with curved arc shape bearing plane, if the blade 36 that this Shears for gardening 30 (Shears for gardening 30 as shown in Figure 3) is installed, its blade is a flat (figure does not show), the chopping block 70 of this fixed jaw 31 installings then, its bearing plane 71 is also established the flat that is symmetrical, that is its groove portion 72 also or its groove 73 also be a flat relatively for cooperating this blade, so can reach the function that equivalence is implemented equally; Therefore, have such as and can all should be that equivalence of the present utility model is implemented, and be subjected to the protection of this case claim together in conjunction with using chopping block of the present utility model.

Claims

1. a Shears for gardening chopping block is installed on the orchard shears, and this orchard shears includes two movable jaw and the fixed jaws that articulate mutually at least, and the front end of this movable jaw is provided with a blade, and this blade then has a blade; The front end of this fixed jaw then is installed with a chopping block with respect to the blade place of this movable jaw, and this chopping block then is to form the bearing plane that is complementary shape with this blade profile with respect to a side of this blade, it is characterized in that:

Be longitudinally set with one along this blade shear direction on the shear surface of this chopping block and can hold the V word shape groove that this blade embeds, and this groove is to be positioned near be articulated the at first contact jaw at place of this fixed jaw and movable jaw, by the narrow final contact jaw that is articulated and locates away from this fixed jaw and movable jaw to being positioned at of gradually opening.

2. according to the described Shears for gardening chopping block of claim 1, it is characterized in that, wherein this chopping block be provided with one with this groove and this blade matches, in order to increase the groove portion of this Shears for gardening fixing interlock effect.

3. according to the described Shears for gardening chopping block of claim 1, it is characterized in that wherein this groove is positioned near be articulated the at first contact jaw at place of this fixed jaw and movable jaw, the angle that its dual side-edge was is and is the best between the 55-65 angle.

4. according to the described Shears for gardening chopping block of claim 1, it is characterized in that wherein this groove is positioned near the be articulated final contact jaw at place of this fixed jaw and movable jaw, the angle that its dual side-edge was is and is the best between the 115-125 angle.

5. according to the described Shears for gardening chopping block of claim 1, it is characterized in that wherein the blade blade that is set firmly on the movable jaw of this orchard shears generally is flat, and the groove of this chopping block is the flat that matches.

6. according to claim 1 a described Shears for gardening chopping block, it is characterized in that wherein the blade blade that is set firmly on the movable jaw of this Shears for gardening generally is the curved arc shape, the groove of this chopping block then is the concave arc shape that matches.