CN205466343U - Scissors - Google Patents

Abstract

The utility model discloses a scissors, it is used for two scissors pieces shearing to contact including the internal surface, realizes rotating through the pivot between two scissors pieces and connects, and at least one scissors piece is equipped with emollient slot -Filler on every side in the pivot department of setting of internal surface, is filled with emollient in the intussuseption of emollient slot -Filler. The utility model discloses an outstanding advantage lies in, through setting up emollient slot -Filler in scissors piece coincidence part for the coincidence part of scissors piece contacts with emollient all the time, thereby plays lubrication action, in this case, also can keep scissors can open smoothly all the time and fold even need not dismantle scissors.

Description

A kind of shears

Technical field

The present invention relates to cutter field, particularly relate to a kind of shears.

Background technology

In prior art, scissor construction includes two cutter hubs, structure of the cutter body includes shear blade and handle of a knife, the wherein inner surface of shear blade, wherein the inner surface of shear blade is for contacting with the inner surface of another shear blade, being provided with axis hole at shear blade inner surface near handle of a knife position, two cutter hubs are rotationally connected by the rotating shaft (screw usually cooperated and nut) of band finite place piece.This shear blade structure is easy collect dirt during causing medial surface groove to use, although can be by shear blade be staggered, the a part of wiped clean exposed after staggering, but it is proximate to the part of rotating shaft, owing to being just the overlapping position of two shear blades, dirt once enters intersection, just cannot carry out wiped clean by the shear blade that simply staggers, and cutter hub is separated and just can thoroughly clean out by only dismounting rotating shaft.

Particularly with this shear blade structure as shown in Figure 1, being provided with recess at shear blade inner surface, notch depth gradually deepens from blade to the knife back.Two shear blades match shearing time, inner surface only contacts at the knife edge part of notch edge, and shear blade decreases contact area during closing up and when completing to close up, thus reducing friction resistance.But, indent is more prone to accumulate dirt in shears moving process, and clear up at the recess of the intersection shear blade that can not stagger, also cannot be extruded by some dirts by the friction between two shear blades, therefore the dirt long term accumulation in recess will hinder the smooth rotation rotating blade in screw rotating shaft；It addition, notch edge has contacted with each other near blade side the edge part branch of guide surface effect because of in recess accumulation dirt and become out-of-flatness, cause open close up during the most smooth.If in order to make shears more smooth, remove to clear up the dirt deposits in groove near screw and dismantle shears, not only trouble and also period imprudence is easily destroyed blade, thus directly influence the service life of shears.

Therefore, the shears existence of prior art easily causes shears cannot open swimmingly and close up because accumulation dirt.

Utility model content

For solving the problems referred to above, this utility model provides a kind of shears.

A kind of shears, two shear blades sheared are contacted including inner surface, realizing being rotationally connected by rotating shaft between two shear blades, at least one shear blade is provided around lubricant filling slot at the rotating shaft place of setting of inner surface, is filled with lubricant in lubricant filling slot.

By arranging lubricant filling slot in shear blade intersection so that the intersection of shear blade all the time with lubricant contact, thus play lubrication, in this case, also be able to keep the shears all the time can smooth opening and closing up even without dismounting shears.

Furthermore, the lubricant filled is graphite, and the graphite filled flushes with the inner surface of cutter hub.

Lubricant has multiple, it can be such as fluid lubricant, for example, machine oil etc., but this kind of fluid lubricant is due to readily flowed, not only easily run off the object that also easily shears contacts, and fluid lubricant be easily combined with the dirt of entrance cause more stick greasy, under comparing, graphite has lubricity, fill smooth tight in graphite had both served the lubrication effect of shear blade inner surface and ensure that groove, solve the problem refueled continually and to clean during shears uses, and graphite will not be combined with other dirts and cause glutinous greasy situation, it is thus possible to holding lubrication.

Lubricant filling slot can be multiple can also be one, can set as required.

Furthermore, described lubricant filling slot number is one, and the described rotating shaft place of setting is positioned at lubricant filling slot.

For simple in construction and be prone to the purpose filled, can arrange a lubricant filling slot, and rotating shaft arranges position be arranged in lubricant filling slot, so, the circumference of rotating shaft can be fully contacted with lubricant filling slot, and the axle place of connecing being also beneficial to rotating shaft lubricates.The shape of lubricant filling slot can be circle, ellipse, rectangle, triangle etc., it is also possible to is irregularly shaped, arranges with specific reference to needs, considers for the purpose being easy to arrange and be easy to fill, and preferably uses circular or oval.

Furthermore, described lubricant filling slot has multiple, and is distributed in the rotating shaft place of setting around.

Lubricant filling slot can also be multiple, less on area, is distributed in the rotating shaft place of setting around so that lubricant is in shear blade rotation process, and lubricant can be diffused into the biggest scope, thus increases lubricant effect.

Furthermore, described rotating shaft at least one end band finite place piece, it is provided with Graphite pad between the shear blade outer surface at least one and the locating part that match with locating part.

Determine that can shear blade another factor of smooth rotation be coordinating between rotating shaft locating part and shear blade, therefore by increasing increase Graphite pad between shear blade and rotating shaft locating part, i.e. in too increasing lubrication on another surface of shear blade, shear blade is made to rotate more smooth and easy, too increase the tightness degree between rotating shaft locating part and shear blade simultaneously, preventing from rotating shaft and shear blade excesssive gap from causing between two shear blades to loosen, blade cannot be well matched with shearing mutually.

Furthermore, each shear blade is connected with handle of a knife, and on the inner surface of shear blade, all have recess, and recess to be positioned at the edge surface of blade side be the faying face for contacting another shear blade, described rotating shaft is arranged in the position between shear blade upper notch and handle of a knife, and lubricant filling slot the graphite filled and flushes with inner surface.

Shear blade offers recess, the edge surface at blade is only had to contact with each other in shear history, this approach reduces frictional force, but easily cause the accumulation of indent dirt, therefore, recess is changed at rotating shaft position lubricant filling slot, and the graphite filled flushes with inner surface, after originally the place of receiving dirt is because being filled with graphite, dirt is not easily accessed, even if being infected with dirt at graphite table, also because of graphite surface and slide rail flush, owing to the dirt at graphite surface is wiped in the athletic meeting of shear blade inner surface, thus keep that shears uses smooth and easy.

Furthermore, being provided with the axis hole for wearing described rotating shaft at least one shear blade, axis hole at least one is offering groove along axis hole wall circumference, is filled with graphite in groove, and the graphite filled flushes with axis hole wall.

At the position that rotating shaft and axis hole wear, it is also possible to arrange graphite, with the rotation of more smooth and easy rotating shaft, and owing to rotating shaft and shaft hole matching are relatively tight, thus add position and the area of lubrication.

Furthermore, each shear blade it is equipped with lubricant filling slot and is filled with lubricant in lubricant filling slot.

By being respectively provided with lubricant between two shear blades, when coordinating, lubricant is more abundant, and lubrication area is also distributed more uniform, therefore, it is possible to play preferably lubricant effect on two shear blades.

Of the present utility model have the prominent advantages that, by arranging lubricant filling slot in shear blade intersection, make the intersection of shear blade all the time with lubricant contact, thus play lubrication, in this case, it also is able to keep the shears all the time can smooth opening and closing up even without dismounting shears；Graphite has lubricity, fill smooth tight in graphite had both served the lubrication effect of shear blade inner surface and ensure that groove, solve the problem refueled continually and to clean during shears uses, and graphite will not be combined with other dirts and cause glutinous greasy situation such that it is able to keep lubrication.Jagged shear blade is had for inner surface, recess is changed at rotating shaft position lubricant filling slot, and the graphite filled flushes with inner surface, after originally the place of receiving dirt is because being filled with graphite, dirt is not easily accessed, even if being infected with dirt at graphite surface, also because of graphite surface and slide rail flush, owing to the dirt at graphite surface is wiped in the athletic meeting of shear blade inner surface, thus keep that shears uses smooth and easy.

Accompanying drawing explanation

Fig. 1 is the shear blade structural representation of prior art；

Fig. 2 is the shear blade inner surface structure schematic diagram of one embodiment of this utility model；

Fig. 3 is the internal structure schematic diagram of the lubricant filling slot of present example；

Fig. 4 is the shears overall structure schematic diagram of present example.

Detailed description of the invention

For making this utility model understand in further detail, in conjunction with drawings and Examples to this utility model further explanation explanation in addition.

As shown in Figure 4, including two shear blades 10, each shear blade 10 is connected this utility model present example shears overall structure with handle of a knife 3b, and wherein the inner surface of shear blade 10 contacts to shear, and realizes being rotationally connected by rotating shaft 8 between two shear blades 10.The form that arranges of rotating shaft 8 can have multiple, such as can be fixed therein on a shear blade 10 by the mode that integrated mode or later stage weld, and and another shear blade 10 between be rotatably assorted, carrying out spacing by locating part to the shear blade 10 being rotatably assorted, rotating shaft 8 only one end has locating part in this case；Rotating shaft 8 can also be as it is shown on figure 3, two ends be respectively provided with locating part 81, and on each shear blade 10, position is provided with axis hole 2b accordingly, and rotating shaft 8 wears from the axis hole 2b of two shear blades 10, and it is spacing to use locating part 81 to carry out at two ends.Present example uses both end of which to have the rotating shaft 8 of locating part 81, and wherein Fig. 3 only depicts the locating part of wherein one end.

Present example, the inner surface of single shear blade 10 is as shown in Figure 2, and all have recess 1b on the inner surface of each shear blade 10, it is the faying face for contacting another shear blade that recess 1b is positioned at the edge surface of blade 4b side, it is arranged on the position between shear blade 10 upper notch 1b and handle of a knife 3b for wearing the axis hole 2b of rotating shaft, being provided with a lubricant filling slot 5 on the inner surface of shear blade 10, its central axis hole 2b is positioned at lubricant filling slot 5.The lubricant of present example is graphite 6, and the graphite 6 after filling flushes with inner surface.In the filling process, with smooth sand paper, unnecessary graphite 6 can be ground off.When filling, lubricant has multiple, in other implementations, it can be such as fluid lubricant, for example, machine oil etc., but this kind of fluid lubricant is due to readily flowed, not only easily run off the object that also easily shears contacts, and fluid lubricant be easily combined with the dirt of entrance cause more stick greasy, under comparing, graphite 6 has lubricity, fill smooth tight in graphite 6 had both served the lubrication effect of shear blade 10 inner surface and ensure that groove 51, solve the problem refueled continually and to clean during shears uses, and graphite 6 will not be combined with other dirts and cause glutinous greasy situation, it is thus possible to holding lubrication.

As shown in Figures 2 and 4, the lubricant filled in lubricant filling slot 5 is graphite 6, and the graphite 6 filled flushes with the inner surface of cutter hub.In other embodiments, lubricant filling slot 5 can also have multiple, and be distributed in rotating shaft 8 and arrange around position, such as can be around the lubricant filling slot of axis hole 2b several circles evenly distributed around.The shape of lubricant filling slot 5 can be multiple, such as circle, ellipse, rectangle, triangle, crescent etc., can also be irregularly shaped, arrange with specific reference to needs, for the ease of arranging and filling, preferably using circular or oval, present example is as in figure 2 it is shown, use the shape of sub-elliptical.

Depicting the outer surface of present example shear blade 10 in Fig. 4 and Fig. 3, the position coordinated with locating part on the outer surface of shear blade 10 is provided with Graphite pad 7.Graphite pad 7 is increased between locating part 81 and shear blade 10 outer surface, shear blade 10 is made to rotate more smooth and easy, too increase the tightness degree between rotating shaft 8 locating part 81 and shear blade 10 simultaneously, preventing from rotating shaft 8 and shear blade 10 excesssive gap from causing between two shear blades 10 to loosen, blade 4b cannot be well matched with shearing mutually.

Being referred to Fig. 3 see, two shear blades of present example are provided with lubricant filling slot 5, and other embodiments only can also arrange lubricant filling slot on a shear blade.Being filled with graphite 6 in lubricant filling slot, two shear blades all fill graphite 6 can increase the lubricating place distribution of graphite, makes lubrication evenly.Axis hole 2b is located in lubricant filling slot 5, in present example, can offer groove 51 at the axis hole 2b of shear blade 10 along axis hole wall circumference, be filled with graphite 6 in groove 51, and the graphite 6 filled flushes with axis hole 2b wall.The position worn at rotating shaft 8 and axis hole 2b arranges graphite 6, with the rotation of more smooth and easy rotating shaft 8, and owing to rotating shaft 8 coordinates relatively tight with axis hole 2b, thus adds position and the area of lubrication.

Two shear blades 10 with the use of structural representation as shown in Figure 4, wherein do not illustrate rotating shaft, recess 1b on both shear blades 10 makes frictional force between two shear blades 10 reduce, and the lubricant filling slot 5 filling graphite 6 is used at coincidence position, after originally the place of receiving dirt is because being filled with graphite 6, dirt is not easily accessed, even if the dirt at graphite 6 surface contamination, also because of graphite 6 surface and slide rail flush, owing to the dirt on graphite 6 surface is wiped in the athletic meeting of shear blade 10 inner surface, thus keep that shears uses smooth and easy.Under the consolidation effect of Graphite pad 7, cooperate between blade 4b the most smooth and easy, generation gap will not be loosened.

Of the present utility model have the prominent advantages that, by arranging lubricant filling slot in shear blade intersection, make the intersection of shear blade all the time with lubricant contact, thus play lubrication, in this case, it also is able to keep the shears all the time can smooth opening and closing up even without dismounting shears；Graphite has lubricity, fill smooth tight in graphite had both served the lubrication effect of shear blade inner surface and ensure that groove, solve the problem refueled continually and to clean during shears uses, and graphite will not be combined with other dirts and cause glutinous greasy situation such that it is able to keep lubrication.Jagged shear blade is had for inner surface, recess is changed at rotating shaft position lubricant filling slot, and the graphite filled flushes with inner surface, after originally the place of receiving dirt is because being filled with graphite, dirt is not easily accessed, even if being infected with dirt at graphite surface, also because of graphite surface and slide rail flush, owing to the dirt at graphite surface is wiped in the athletic meeting of shear blade inner surface, thus keep that shears uses smooth and easy.

Claims (8)

1. a shears, contact two shear blades sheared including inner surface, realize being rotationally connected by rotating shaft between two shear blades, it is characterised in that, at least one shear blade is provided around lubricant filling slot at the rotating shaft place of setting of inner surface, is filled with lubricant in lubricant filling slot.

2. shears as claimed in claim 1, it is characterised in that the lubricant filled is graphite, and the graphite filled flushes with the inner surface of shear blade.

3. shears as claimed in claim 1, it is characterised in that described lubricant filling slot number is, and the described rotating shaft place of setting is positioned at lubricant filling slot.

4. shears as claimed in claim 1, it is characterised in that described lubricant filling slot has multiple, and it is distributed in the rotating shaft place of setting around.

5. shears as claimed in claim 1, it is characterised in that described rotating shaft at least one end band finite place piece, is provided with Graphite pad between the shear blade outer surface at least one and the locating part that match with locating part.

6. shears as claimed in claim 1, it is characterized in that, each shear blade is connected with handle of a knife, and on the inner surface of shear blade, all have recess, and recess to be positioned at the edge surface of blade side be the faying face for contacting another shear blade, described rotating shaft is arranged in the position between shear blade upper notch and handle of a knife, and lubricant filling slot the graphite filled and flushes with the inner surface of shear blade.

7. shears as claimed in claim 1, it is characterised in that being provided with the axis hole for wearing described rotating shaft at least one shear blade, axis hole at least one is offering groove along axis hole wall circumference, is filled with graphite in groove, and the graphite filled flushes with axis hole wall.

8. shears as described in any one of claim 1 to 7, it is characterised in that be equipped with lubricant filling slot on each shear blade and be filled with lubricant in lubricant filling slot.