CN103624806B - The cutter of two-way push and adjusting device thereof - Google Patents

Abstract

The present invention is about a kind of cutter of two-way push and adjusting device thereof, it is provided with one and is arranged on movably on a shell and is connected to the adjusting device of a tool rest, this adjusting device includes adjuster on, the one lower adjuster and be connected with adjuster on this to be arranged on this lower adjuster can with the shell fragment of the sawtooth portion phase buckle of this tool rest, on this, the cross section of adjuster is L-shaped, on this, adjustment utensil has an end face and a sidewall, on this, the end face of adjuster and sidewall are provided with the sidewall of slide rail respectively relative to the body end face of this shell and body, and a rail groove is provided with on upper adjuster, this rail groove slidably accommodating this sidewall of this body forms the part in slide rail lateral margin face, and form a cutter be convenient to operation thus.

Description

The cutter of two-way push and adjusting device thereof

Technical field

The present invention about a kind of cutter and adjusting device thereof, espespecially a kind of can the cutter of two-way push and adjusting device thereof.

Background technology

Cutter is a kind of conventional document apparatus in order to carry out cutting stationery etc., existing cutter be on the whole be provided with one in a tool rest can relative to the adjusting device of this tool rest movement, one blade can be released or be retracted into tool rest by promoting this adjusting device, and blade can be made to be positioned predetermined extension elongation, with with the use of person different cut job requirements, existing cutter is just like No. M390212nd, TaiWan, China " U.S. cutter work adjusting device " new patent case (hereinafter referred to as with reference to case one), to be slidably disposed in a tool rest with reference to the adjusting device of case one and to be connected with a blade, its adjusting device consists predominantly of adjuster on, adjuster and a shell fragment once, upper adjuster, lower adjuster is mutually fastened by a cramp and a catching groove and is combined, go up again adjuster and be slidably disposed on position on the chute of tool rest side, so, by promoting upper adjuster to make blade stretch out or retraction tool rest, reach the object of manipulation blade.

But, it is existing if the upper adjuster with reference to case one adjusting device is on the whole in tabular, therefore only tool is single by pushing surface, so only unidirectional promotion operation can be carried out with specific direction or holding mode, use there are many inconvenience and restriction, in addition, coordinate the structural form of existing adjusting device, chute on existing art designing knife seat is mostly arranged on the middle section position place of tool rest side, and the sizable width of tool, the smoothness that foreign matter like this is easy to enter tool rest inside and affects cutter operation.

No. 281141st, TaiWan, China " easy to assemble so that the cutter structure of more allowing blade replacement " new patent case (hereinafter referred to as with reference to case two) again, it is provided with a push button, though the L-shaped cross section of this push button, this push button is promoted for user with different directions by pushing surface to provide two, but the push button with reference to case two is the structural form in solid memder, and do not have a positioning blade function, therefore user need continue when cutting pushing and pressing push button blade can be made to be held in the position of stretching out, operationally also have many inconvenience and restriction.

Chinese patent discloses No. 101269491 " cutoff tool " disclosure of the invention case (hereinafter referred to as with reference to case three) again, adjusting device with reference to case three is a slider, but it is comparatively complicated with reference to the slider structure of case three, and also can only the promotion in single direction operate, use reality to have the need for further improvement.

Summary of the invention

Therefore, the present inventor is because existing cutter and the disappearance of adjusting device in structure and use thereof, special through continuous Testing and research, finally develops a kind of the present invention improving existing disappearance.

Main purpose of the present invention is the cutter and the adjusting device thereof that provide a kind of two-way push, and adjusting device of the present invention can allow user can two-way push and operate cutter easily, to reach the object promoting cutter overall utility.

For reaching above-mentioned purpose, the present invention mainly provides a kind of cutter of two-way push, and it includes:

One shell, includes a hollow body, on a sidewall of this body, be provided with a slide rail;

One is placed in this intrinsic hollow tool rest, is formed with a sawtooth portion on this tool rest;

One is arranged on this shell movably, and be connected to the adjusting device of this tool rest, this adjusting device includes adjuster on, the one lower adjuster and be connected with adjuster on this to be arranged on this lower adjuster can with the shell fragment of this sawtooth portion phase buckle of this tool rest, on this, the cross section of adjuster is L-shaped, on this, adjustment utensil has an end face and a sidewall, on this adjuster this end face and on this adjuster this sidewall respectively relative to this body end face and be provided with the sidewall of this slide rail, and adjuster is provided with a rail groove on this, this rail groove slidably accommodating this sidewall of this body forms the part in slide rail lateral margin face, and

One to be connected with this adjuster and to be placed in the blade in this tool rest movably.

The present invention also provides a kind of adjusting device of cutter, and it includes:

Adjuster on one, on this, the cross section of adjuster is L-shaped, on this, adjustment utensil has an end face and a sidewall, and on this this sidewall of adjuster medial surface on projection be formed with positioning piece, in between this keeper and this sidewall, be formed with a rail groove, the side wall of outer shell of this rail groove accommodating cutter slidably forms the part in slide rail lateral margin face;

The one lower adjuster be connected with adjuster on this; And

One is arranged at the shell fragment on this lower adjuster.

The present invention can reach following effect and promote part:

1. the cross section because of upper adjuster of the present invention is L-shaped, therefore the person of being easy to use makes upper adjuster move along the slide rail on body by pushing against the end face of upper adjuster, sidewall or connecting portion between the two, to control the extension elongation of blade, user can be not limited to when operating adjusting device of the present invention the direction fixed with by pushing surface, convenience during cutter operation can be improved.

2. because the slide rail width on shell of the present invention can suitably reduce, shell is exposed to avoid the internals of cutter, except hindering the normal operating of cutter except preventing foreign matter from entering enclosure, also can improve the aesthetic property of cutter outward appearance, improve the wish that consumer buys.

3. keeper and connecting support can be utilized between upper adjuster of the present invention and lower adjuster to form a L shape abutting relation, and improve the structural stability of upper adjuster, the combination of lower adjuster, making the promotion of adjusting device and operate can be more certain.

4. the present invention can utilize the pushing and pressing projection seat extending to position, shell fragment clubfoot stage casing, increases contact area and the pushing and pressing strength of upper adjuster pushing and pressing clubfoot, makes shell fragment more positively can be pushed and depart from the blocking state with sawtooth portion.

5. the present invention utilize formed between adjuster with keeper escape the shift motion that hole can extend the relative slide rail of upper adjuster, to increase the length that blade stretches out shell, coordinate different user demands, improve the practicality of cutter entirety.

Accompanying drawing explanation

Fig. 1 is the stereo appearance figure of cutter of the present invention.

Fig. 2 is three-dimensional exploded view of the present invention.

What Fig. 3 was the present invention along the A-A hatching of Fig. 1 looks closely amplification profile.

Fig. 4 is pseudosection on partial enlargement of the present invention.

Fig. 5 is the three-dimensional exploded view of adjusting device of the present invention.

Fig. 6 is side cutaway view of the present invention.

Fig. 7 is pseudosection on partial enlargement of the present invention.

Main element symbol description

10 ... shell 12 ... body

122 ... room 124 ... slide rail

126 ... communication channel 13 ... combination slot

131 ... combination slot 132 ... combination rib

134 ... buckling groove 18 ... bonnet

182 ... composed chamber 183 ... depressed part

184 ... combination ditch 186 ... button block

20 ... tool rest 22 ... locator slide

24 ... sawtooth portion 30 ... adjusting device

32 ... upper adjuster 322 ... fin

324 ... cramp 326 ... pushing and pressing protuberance

328 ... pushing and pressing projection seat 33 ... keeper

332 ... horizontal part 334 ... joint portion

336 ... escape hole 34 ... rail groove

36 ... lower adjuster 362 ... connecting portion

364 ... connecting support 366 ... catching groove

38 ... shell fragment 382 ... clubfoot

40 ... blade L ... center line

L1 ... length L2 ... length

W1 ... width W 2 ... width

W3 ... width

Detailed description of the invention

The invention provides a kind of cutter and adjusting device thereof of two-way push, please refer to Fig. 1, 2, can see by figure, cutter of the present invention includes a shell 10, one tool rest 20, one adjusting device 30 and a blade 40, wherein this shell 10 can be made by plastic material, please coordinate again referring to Fig. 3, this shell 10 includes body 12 and a bonnet 18 of a hollow, one is formed along the microscler room 122 extending longitudinally of body 12 in this body 12, and before body 12, rear two ends form the opening be communicated with room 122 respectively, one is provided with again along body 12 microscler slide rail 124 extending longitudinally on a sidewall of body 12, this slide rail 124 is arranged on the top position place of body 12 sidewall centre line L, and close to the end face of body 12, wherein the centre line L of sidewall refers to that this sidewall is roughly divided into by one, lower two-part line, the rear end of slide rail 124 and the opening in communication of body 12 rear end, the front end of slide rail 124 is then communicated with separately and not with body 12 front end, a communication channel 126 between room 122 and slide rail 124 is provided with again in body 12, this communication channel 126 is also extending longitudinally along body 12, and communication channel 126 is connected with slide rail 124 with room 122 simultaneously, and slide rail 124 is connected with room 122 by communication channel 126, the width W 2 of communication channel 126 is less than the width W 1 of room 122 but is greater than the width W 3 of slide rail 124 again, as shown in Figure 3.

This bonnet 18 is arranged at the rear end of body 12 and the open rearward end of enclosed body 12, please refer to Fig. 1, 2, 4, bonnet 18 can in general longitudinal direction or non-longitudinal combination and body 12 mutually cover, wherein generally longitudinally refer to as reference case one, with reference to case third-class with along body 12 longitudinal combination bonnet 18 on body 12, but not longitudinal combination refers to that bonnet 18 can along other non-directional combinations along body 12 longitudinal direction such as body 12 end faces on body 12, if when bonnet 18 combines with body 12 with non-longitudinal combination, the position that can be positioned at rear end in body 12 two side is arranged with the combination slot 13 of two arcs respectively, combination slot 131, combination slot 13, combination slot 131 extends to the nearly bottom surface of body 12 by the end face of body 12 and is not connected with body 12 bottom surface, in combination slot 13, the bottom surface of combination slot 131 is convexly equipped with a combination rib 132 respectively, wherein combination slot 13 is arranged on body 12 and is formed on this sidewall of slide rail 124, and another combination slot 131 be arranged on this body 12 differ from formed slide rail 124 opposing sidewalls on, combination slot 13 is connected with slide rail 124 rear end and communication channel 126 again, combination slot 131 bottom surface is then separately provided with a buckling groove 134.And bonnet 18 be formed with one in hollow form can the composed chamber 182 of accommodating body 12 rear end, the ora terminalis covered in bonnet 18 and body 12 rear end coordinates combination slot 13, the shape of combination slot 131, and be formed with depressed part 183 in bonnet 18 ora terminalis bottom end, separately on two internal faces that composed chamber 182 is relative, be formed with a combination ditch 184 that can combine with the combination rib 132 on body 12 respectively respectively, and projection is formed with the button block 186 that can buckle into buckling groove 134 on body 12 on an internal face of composed chamber 182, so, by combination slot 13 on body 12, the depressed part 183 of combination slot 131 and bonnet 18 ora terminalis coordinating in shape, bonnet 18 can be allowed by the end face of body 12 towards the directional combination of bottom surface in body 12 rear end, and with existing general different along the mode of body 12 longitudinal combination, with the form providing another kind of bonnet to be combined with body, moreover utilize combination ditch 184 and button block 186 respectively with combination rib 132 and the be combineding with each other of buckling groove 134, bonnet 18 can be made firmly to combine with body 12.

Please refer to Fig. 1,2,3, this tool rest 20 is placed in the room 122 of the body 12 of shell 10, this tool rest 20 is microscler and hollow form, the front opening of front end extended shell 10 body 12 of tool rest 20, on the sidewall of slide rail 124, be formed with a microscler locator slide 22 in tool rest 20, and be formed with a sawtooth portion 24 on a lateral margin face of locator slide 22.

This adjusting device 30 to be slidably disposed on shell 10 and to be connected to tool rest 20, it includes adjuster 32 on, adjuster 36 and a shell fragment 38 once, please refer to Fig. 2, 3 and 5, the cross section of wherein going up adjuster 32 is L-shaped and have an end face and a sidewall, and the end face of upper adjuster 32 and sidewall respectively relative to body 12 end face and be provided with the sidewall of slide rail 124, and connecting portion between the end face of upper adjuster 32 and sidewall is curved and can be slightly recessed, the keeper 33 in a L-shaped cross section is formed with towards projection on the medial surface of shell 10 in upper adjuster 32 sidewall, one end of keeper 33 forms a horizontal part 332, another end then forms a joint portion 334, this horizontal part 332 is connected with upper adjuster 32 sidewall, and be placed in the slide rail 124 of body 12 slidably, and joint portion 334 slightly parallels with the sidewall of body 12, and make to be formed with between the joint portion 334 of the sidewall of adjuster 32 and keeper 33 rail groove 34, and the sidewall of this rail groove 34 accommodating body 12 slidably forms the part in slide rail 124 lateral margin face, by the setting of rail groove 34, adjuster 32 can be made firmly to move along slide rail 124, moreover, the fin 322 of a tool smooth surface can be convexly equipped with respectively on the medial surface of shell 10 in upper adjuster 32 end face and sidewall, and the fin 322 of upper adjuster 32 end face and sidewall is resisted against end face and the sidewall of body 12 respectively, and pass through the setting of tool smooth surface fin 322, the smoothness of upper adjuster 32 when slide rail 124 moves can be improved.

This lower adjuster 36 combines with adjuster on this 32, and be slidably disposed in tool rest 20, this lower adjuster 36 one end extends to form a connecting portion 362 in order to be connected with blade 40, establish in lower adjuster 36 towards a side epirelief of upper adjuster 32 and be formed with a connecting support 364, this connecting support 364 stretches out the locator slide 22 of tool rest 20 and is placed in the communication channel 126 of body 12 slidably, this connecting support 364 combines with upper adjuster 32, make lower adjuster 36 can for upper adjuster 32 drives and move relative to tool rest 20, wherein, projection a cramp 324 can be formed with on upper adjuster 32, and be provided with on the connecting support 364 of lower adjuster 36 one can with the catching groove 366 of cramp 324 phase buckle, to make upper adjuster 32 through cramp 324 and catching groove 366, lower adjuster 36 be combined with each other, the sidewall that the cramp 324 going up again adjuster 32 directly can be convexly equipped in adjuster 32 maybe can be arranged on the joint portion 334 of keeper 33, and the joint portion 334 of keeper 33 can be resisted against on the side of connecting support 364.

Please simultaneously referring again to Fig. 4, 6, this shell fragment 38 is an elastic strip body, it is accommodating is positioned within lower adjuster 36, shell fragment 38 two ends are extended with two clubfoots 382 passing lower adjuster 36 respectively to inner bending, match with the sawtooth portion 24 of tool rest 20 buckle and form a buckle end in one end of two clubfoots 382, and the buckle end bendable of this two clubfoot 382 is converted into arc-shaped, wherein the buckle end of two clubfoots 382 passes the end face of the connecting support 364 of lower adjuster 36, two pushing and pressing protuberances 326 can be convexly equipped with again on upper adjuster 32, to be resisted against the buckle end of shell fragment 38 liang of clubfoots 382 respectively, two pushing and pressing protuberances 326 are relative can be inclined plane in order to push against the end face of shell fragment 38 clubfoot 382, wherein two pushing and pressing protuberances 326 can be convexly equipped on the joint portion 334 of keeper 33 horizontal-extending, and push against the end face that protuberance 326 can be resisted against lower adjuster 36 connecting support 364, so, two pushing and pressing protuberances 326 are except can in order to push against except the buckle end of corresponding clubfoot 382, by keeper 33 being resisted against respectively pushing and pressing protuberance 326 and the joint portion 334 of the end face of connecting support 364 and side, can allow the abutting relation forming a L shape between keeper 33 and connecting support 364, to improve upper adjuster 32, the structural stability combined between lower adjuster 36, moreover, projection one projection seat 328 can be pushed against again on the end that two pushing and pressing protuberances 326 are relative, this pushing and pressing projection seat 328 is greater than towards the extension elongation of this lower adjuster 36 extension elongation pushing against protuberance 326, and make pushing and pressing projection seat 328 extensible and be resisted against the position, stage casing of the relative buckle end of clubfoot 382, so can improve the contact area that upper adjuster 32 pushes against clubfoot 382, and then promote the strength of pushing and pressing clubfoot 382.

Thus, adjusting device 30 is being mounted on after on shell 10 and tool rest 20, please refer to Fig. 1, 6, the end face of adjuster 32 and sidewall can be allowed to correspond respectively to end face and the sidewall of the body 12 of shell 10, user like this is after gripping shell 10, the end face of the upper adjuster 32 of available finger pushing and pressing, sidewall or connecting portion between the two make adjuster 32 move along the slide rail 124 on body 12, and drive lower adjuster 36 to move relative to tool rest 20 simultaneously, and the blade 40 be connected with lower adjuster 36 is stretched out or the front opening of retraction shell 10, and utilize the blocking on the clubfoot 382 of shell fragment 38 and tool rest 20 between sawtooth portion 24 to make blade 40 be positioned required extension elongation, therefore, user can be not limited to when operating adjusting device 30 of the present invention the direction fixed with by pushing surface, convenience during cutter operation can be improved.

Secondly, slide rail 124 width on shell 10 can suitably reduce, to avoid the internals of cutter to expose to shell 10, except hindering the normal operating of cutter except foreign matter can be avoided to enter shell 10 inside, also can improve the aesthetic property of cutter outward appearance, improve the wish that consumer buys.

Again please refer to Fig. 7, the length L2 of the horizontal part 332 of keeper 33 can be less than the length L1 of adjuster 32, so, can be formed between the end face of keeper 33 and upper adjuster 32 and sidewall and escape hole 336, the setting escaping hole 336 by this can extend the shift motion of the relative slide rail 124 of upper adjuster 32, and then the length that blade 40 stretches out shell 10 can be increased, to coordinate different user demands, improve the practicality of cutter entirety.

As shown in the above, different modifications and changes can be reached under the scope of the spirit and novel concept that do not depart from essence of the present invention, and the specific embodiment that the present invention discloses also is not used to limit the present invention, and this disclosure comprises all modifications under the category falling into appended right.

Claims (37)

1. a cutter for two-way push, it includes:

One shell, includes a hollow body, on a sidewall of this body, be provided with a slide rail;

One is placed in this intrinsic hollow tool rest, is formed with a sawtooth portion on this tool rest;

One adjusting device, be arranged on this shell movably, and being connected to this tool rest, this adjusting device includes the shell fragment that lower adjuster and that adjuster on, is connected with adjuster on this is arranged at this sawtooth portion phase buckle with this tool rest on this lower adjuster; And

One blade, is connected with this adjusting device and is placed in movably in this tool rest, it is characterized in that,

On this, the cross section of adjuster is L-shaped, on this, adjustment utensil has an end face and a sidewall, on this adjuster this end face and on this adjuster this sidewall respectively relative to this body end face and be provided with the sidewall of this slide rail, on this, adjuster is provided with a rail groove, and this rail groove slidably accommodating this sidewall of this body forms the part in slide rail lateral margin face.

2. the cutter of two-way push as claimed in claim 1, it is characterized in that, on this, this sidewall of adjuster is formed with the keeper in a L-shaped cross section towards projection on the medial surface of this shell, one end of this keeper forms a horizontal part, the other end forms a joint portion, this horizontal part is connected with this sidewall of adjuster on this, and is placed in this slide rail of this body slidably, between this sidewall that this rail groove is formed at adjuster on this and this joint portion of this keeper.

3. the cutter of two-way push as claimed in claim 2, it is characterized in that, the length of this horizontal part of this keeper is less than the length of adjuster on this, in this keeper and on this adjuster this end face and on this adjuster this sidewall between be formed and escape hole.

4. the cutter of two-way push as claimed in claim 3, is characterized in that, on this adjuster this end face and on this adjuster this sidewall between connecting portion curved.

5. the cutter of the two-way push as described in claim 2,3 or 4, it is characterized in that, on this adjuster this end face and on this this sidewall of adjuster on the medial surface of this shell, be convexly equipped with the fin of a tool smooth surface respectively, on this, this two fin of adjuster is resisted against this end face of this body of this shell respectively and is provided with the sidewall of this slide rail.

6. the cutter of two-way push as claimed in claim 5, it is characterized in that, on in this lower adjuster towards this, a side epirelief of adjuster is established and is formed with a connecting support, is provided with a catching groove on this connecting support, on this adjuster be provided with one with the cramp of this catching groove phase buckle.

7. the cutter of two-way push as claimed in claim 6, it is characterized in that, this cramp is arranged on this joint portion of this keeper, and this joint portion of this keeper is resisted against on the side of this connecting support.

8. the cutter of two-way push as claimed in claim 7, it is characterized in that, these shell fragment two ends are bent to form two clubfoots passing this lower adjuster respectively, match with this sawtooth portion of this tool rest buckle and form a buckle end in one end of this two clubfoot, and on this, adjuster is provided with the pushing and pressing protuberance that two are resisted against this buckle end of this two clubfoot of this shell fragment respectively.

9. the cutter of two-way push as claimed in claim 8, it is characterized in that, on this this two pushing and pressing protuberance of adjuster be horizontal-extending be convexly equipped in this joint portion of this keeper, this two pushing and pressing protuberance is inclined plane in order to the end face of this buckle end pushing against this two clubfoot of this shell fragment relatively.

10. the cutter of two-way push as claimed in claim 9, it is characterized in that, on the end that this two pushing and pressing protuberance is relative, be convexly equipped with a pushing and pressing projection seat respectively, this pushing and pressing projection seat is greater than the extension elongation of this pushing and pressing protuberance towards this lower adjuster towards the extension elongation of this lower adjuster.

The cutter of 11. two-way push as claimed in claim 10, is characterized in that, this two pushing and pressing protuberance is resisted against the end face of this connecting support of this lower adjuster.

The cutter of 12. two-way push as claimed in claim 11, it is characterized in that, this sidewall that this body is provided with this slide rail has a center line, and this slide rail is arranged on the top position place of this center line.

The cutter of 13. two-way push as claimed in claim 12, it is characterized in that, one is formed along the microscler room extending longitudinally of this body in this body of this shell, the front end of this body, rear end form the opening be communicated with this room respectively, a communication channel between this room and this slide rail is provided with in this body, this communication channel is connected with this room and this slide rail, and this tool rest is arranged in this room, and this connecting support of this lower adjuster is contained in this communication channel slidably.

The cutter of 14. two-way push as claimed in claim 13, is characterized in that, the width of this communication channel is less than the width of this room but is greater than the width of this slide rail.

The cutter of 15. two-way push as claimed in claim 14, it is characterized in that, this shell separately includes the bonnet that is arranged on this rear end of this body, the position that this body two side of this shell is positioned at this rear end is arranged with the combination slot of an arc respectively, this two combination slot extends to the nearly bottom surface of this body by this end face of this body and is not connected with this bottom surface of this body, this bonnet is hollow form and is formed with the composed chamber of this body rear end accommodating, the ora terminalis covered in this bonnet and this body rear end coordinates the shape of this two combination slot and is formed with depressed part in this bonnet ora terminalis bottom end.

The cutter of 16. two-way push as claimed in claim 15, it is characterized in that, be convexly equipped with a combination rib respectively in this two combination slots bottom surface of this body of this shell, be formed respectively on two internal faces that this bonnet composed chamber is relative and two combine the combination ditch that rib combines with this on this body.

The cutter of 17. two-way push as claimed in claim 16, it is characterized in that, this combination slot bottom surface that this body being positioned at this shell differs from the opposing sidewalls forming this slide rail is provided with a buckling groove, and on an internal face of this composed chamber of this bonnet, projection is formed with the button block that buckles into this buckling groove on this body.

The cutter of 18. two-way push according to any one of Claims 1-4, it is characterized in that, this sidewall that this body is provided with this slide rail has a center line, and this slide rail is arranged on the top position place of this center line.

The cutter of 19. two-way push as claimed in claim 18, it is characterized in that, one is formed along the microscler room extending longitudinally of this body in this body of this shell, the front end of this body, rear end form the opening be communicated with this room respectively, a communication channel between this room and this slide rail is provided with in this body, this communication channel is connected with this room and this slide rail, and this tool rest is arranged in this room.

The cutter of 20. two-way push as claimed in claim 19, is characterized in that, the width of this communication channel is less than the width of this room but is greater than the width of this slide rail.

The cutter of 21. two-way push according to any one of Claims 1-4, it is characterized in that, this shell separately includes the bonnet that is arranged on this body rear end, the position that this body two side of this shell is positioned at this rear end is arranged with the combination slot of an arc respectively, this two combination slot extends to the nearly bottom surface of this body by the end face of this body and is not connected with this bottom surface of this body, this bonnet is hollow form and is formed with the composed chamber of this this rear end of body accommodating, the ora terminalis covered in this bonnet and this body rear end coordinates the shape of this two combination slot and is formed with depressed part in this bonnet ora terminalis bottom end.

The cutter of 22. two-way push as claimed in claim 21, it is characterized in that, be convexly equipped with a combination rib respectively in this two combination slots bottom surface of this body of this shell, be formed respectively on two internal faces that this composed chamber of this bonnet is relative and two combine the combination ditch that rib combines with this on this body.

The cutter of 23. two-way push as claimed in claim 22, it is characterized in that, this combination slot bottom surface that this body being positioned at this shell differs from the opposing sidewalls forming this slide rail is provided with a buckling groove, and on an internal face of this composed chamber of this bonnet, projection is formed with the button block that buckles into this buckling groove on this body.

The adjusting device of 24. 1 kinds of cutters, is characterized in that, it includes:

Adjuster on one, on this, the cross section of adjuster is L-shaped, on this, adjustment utensil has an end face and a sidewall, on this this sidewall of adjuster medial surface on projection be formed with positioning piece, in between this keeper and this sidewall, be formed with a rail groove, the side wall of outer shell of this rail groove accommodating cutter slidably forms the part in slide rail lateral margin face;

Adjuster once, is connected with adjuster on this; And

One shell fragment, is arranged on this lower adjuster.

The adjusting device of 25. cutters as claimed in claim 24, it is characterized in that, the cross section of this keeper is L-shaped, one end of this keeper forms a horizontal part, the other end forms a joint portion, this horizontal part is connected with this sidewall of adjuster on this, between this sidewall that this rail groove is formed at adjuster on this and this joint portion of this keeper.

The adjusting device of 26. cutters as claimed in claim 25, it is characterized in that, the length of this horizontal part of this keeper is less than the length of adjuster on this, in this keeper and on this adjuster this end face and on this adjuster this sidewall between be formed and escape hole.

The adjusting device of 27. cutters as claimed in claim 26, is characterized in that, on this adjuster this end face and on this adjuster this sidewall between connecting portion curved.

The adjusting device of 28. cutters as described in claim 25,26 or 27, is characterized in that, on this adjuster this end face and on this this sidewall of adjuster medial surface on be convexly equipped with the fin of a tool smooth surface respectively.

The adjusting device of 29. cutters as claimed in claim 28, it is characterized in that, on in this lower adjuster towards this, a side epirelief of adjuster is established and is formed with a connecting support, is provided with a catching groove on this connecting support, on this, adjuster is provided with one with the cramp of this catching groove phase buckle.

The adjusting device of 30. cutters as claimed in claim 29, it is characterized in that, this cramp is arranged on this joint portion of this keeper, and this joint portion of this keeper is resisted against on the side of this connecting support.

The adjusting device of 31. cutters as claimed in claim 30, it is characterized in that, these shell fragment two ends are bent to form two clubfoots passing this lower adjuster respectively, one end of this two clubfoot forms a buckle end, and on this, adjuster is provided with the pushing and pressing protuberance that two are resisted against this buckle end of this two clubfoot of this shell fragment respectively.

The adjusting device of 32. cutters as claimed in claim 31, it is characterized in that, this two pushing and pressing protuberance horizontal-extending ground on this on adjuster is convexly equipped in this joint portion of this keeper, and two to push against protuberance be inclined plane in order to the end face of this buckle end pushing against this two clubfoot of this shell fragment relatively for this.

The adjusting device of 33. cutters as claimed in claim 32, is characterized in that, on the end that this two pushing and pressing protuberance is relative, be convexly equipped with a pushing and pressing projection seat respectively, this pushing and pressing projection seat is resisted against this position, buckle end stage casing of this two clubfoot.

The adjusting device of 34. cutters as claimed in claim 33, is characterized in that, this two pushing and pressing protuberance is resisted against the end face of this connecting support of this lower adjuster.

The adjusting device of 35. cutters according to any one of claim 24 to 27, it is characterized in that, these shell fragment two ends are bent to form two clubfoots passing this lower adjuster respectively, one end of this two clubfoot forms a buckle end, adjuster is provided with the pushing and pressing protuberance that two are resisted against this buckle end of this shell fragment two clubfoot respectively on this.

The adjusting device of 36. cutters as claimed in claim 35, is characterized in that, this two pushing and pressing protuberance is inclined plane in order to the end face of this buckle end pushing against this two clubfoot of this shell fragment relatively.

The adjusting device of 37. cutters as claimed in claim 36, is characterized in that, on the end that this two pushing and pressing protuberance is relative, be convexly equipped with a pushing and pressing projection seat respectively, this pushing and pressing projection seat is resisted against this position, buckle end stage casing of this two clubfoot.