CN2685035Y

CN2685035Y - Inserting practical knife holder

Info

Publication number: CN2685035Y
Application number: CN 200420020590
Authority: CN
Inventors: 仇建平
Original assignee: Individual
Current assignee: Hangzhou Great Star Industrial Co Ltd
Priority date: 2004-03-02
Filing date: 2004-03-02
Publication date: 2005-03-16
Anticipated expiration: 2014-03-02

Abstract

The utility model relates to a practical knife holder, in particular to an inserting practical knife holder belonging to the technical field of the hardware tools. The utility model comprises a knife holder main body with a separated structure and a cover plate. The main body of the knife holder is provided with a blade placing part which is matched with the blade. The utility model is characterized in that at least one of the side surfaces of the blade placing part is provided with a slot, and the cover plate can insert into the main body of the knife holder through the matched slot. The practical knife holder has the advantages that the utility model adopts the inserting type structure with a reasonable physical design, the blade can be changed rather conveniently and rapidly on condition that no any other auxiliary tool is used; in addition, the combination between the blade and the cover plate which adopt the inserting structure and the main body of the blade is more stable; while in use, the utility model can overcome the defect that the practical knife blade generates looseness when using because the gap exists in the knife holder of the prior art.

Description

A kind of plug-in type Cutter saddle of practice knife

Technical field

The utility model relates to a kind of Cutter saddle of practice knife, especially a kind of plug-in type Cutter saddle of practice knife, and it belongs to the hardware ﹠ tools technical field.

Background technology

Two kinds of structures of the general branch of normally used replaceable blade utility knife, a kind of is the replaceable blade utility knife that does not have knife rest, form by blade, handle of a knife two parts, owing to do not have movable carriage, outside the cutting edge of blade always is exposed to, very dangerous; Another kind of structure is the replaceable blade utility knife that has movable carriage, is made up of blade, handle and movable carriage three parts, and movable carriage and blade also are to be screwed in the middle of two handle of a knifes, the existence of glade plane space in the slit, blade can not be completely fixed, can become flexible, inconvenience works together.More than two kinds of structures also all have same problem, just can carry out blade exchange after need decomposing two handle of a knifes, very inconvenient in the time of use.

Summary of the invention

It is fixing reliable that the purpose of this utility model provides a kind of simple in structure, blade, and can change the plug-in type Cutter saddle of practice knife of blade very convenient, fastly.

The utility model realizes that the technical scheme that above-mentioned purpose adopted is: this kind plug-in type Cutter saddle of practice knife, it comprises knife rest main body and the cover plate with branch body structure, the knife rest main body is provided with the blade that is complementary with blade and lays the place, its design feature is: have at least a side to be provided with a groove in the side at the described blade place of laying, and cover plate can insert in the knife rest main body from the described groove that is complementary.

Cover plate described in the utility model and/or knife rest main body can be sealed by a locking device, and described locking device can be a screw locking mechanism, shell fragment locking mechanism or U type buckle structure.

The utility model is compared with prior art has following beneficial effect: 1, adopt plug in construction, reasonable in design can be changed blade very convenient, fastly under the situation of not using any other aid.2, cooperate between plug in construction blade and cover plate and the vane body more stable, can overcome during use in the past owing to have the gap in the knife rest, and make replaceable blade utility knife in use blade can produce loosening drawback.3, can reduce the length of replaceable blade utility knife after using this blade folding, be easy to carry, and the cutting edge of folding up the back blade also can hide in the handle of a knife, reach purpose of safety.

Description of drawings

Fig. 1 is embodiment 1 structural representation of the present utility model.

Fig. 2 is the user mode schematic diagram of embodiment 1 of the present utility model.

Fig. 3 is the A-A structural representation of this Fig. 2.

Structural representation when Fig. 4 installs and uses with handle of a knife for embodiment 1 of the present utility model.

Fig. 5 is embodiment 2 structural representations of the present utility model.

Fig. 6 is the user mode schematic diagram of embodiment 2 of the present utility model.

Fig. 7 is the structural representation of embodiment 2 intermediate slide main bodys of the present utility model.

Fig. 8 is the B-B structural representation of Fig. 7.

Fig. 9 is embodiment 3 structural representations of the present utility model.

Figure 10 is the user mode schematic diagram of embodiment 3 of the present utility model.

The specific embodiment

Embodiment 1:

Referring to Fig. 1, Fig. 4, Cutter saddle of practice knife mainly comprises knife rest main body 2, cover plate 3 two parts.Knife rest main body 2 is the branch body structure with cover plate 3, knife rest main body 2 is provided with the blade that is complementary with blade 1 and lays place 4, the blade place of laying 4 can be detent or positioning boss structure, and the blade place of laying 4 is blade detent structure and positioning boss A, the B that is complementary with blade 1 in the present embodiment.

Circular hole 7 on the knife rest main body 2 is in order Cutter saddle of practice knife to be connected with handle of a knife and to fix, the convenient use with breach 8.

Referring to Fig. 2, Fig. 3, locking device is a shell fragment locking mechanism in the utility model, mainly forms by being positioned at the shell fragment 6 that is installed on the cover plate 3.Also be provided with groove 5,15 on the knife rest main body 2 of a side in the blade place of laying 4, groove 5,15 plays guiding and positioning action to cover plate 3 in the present embodiment.Groove 5 can be microscler poroid in the present embodiment.Cover plate 3 can be by the groove 5 that is complementary with it, inserts in the knife rest main body 2 from a side of knife rest main body 2, makes in the end card entry slot 15 of cover plate 3, make cover plate 3 safety cover blades and lay place 4, and cover plate 3 is pushed down blade 1 simultaneously.At this moment, the shell fragment 6 on the cover plate 3 starts under the elastic reaction of self, makes the end of shell fragment 6 withstand knife rest main body 2 just, prevents that cover plate 3 from being spun off from knife rest main body 2 voluntarily by groove 5,15.By this mode, realized the qualification of cover plate 3 with respect to the free degree of knife rest main body 2, reached cover plate 3 and knife rest main body 2 locking between the two, guaranteed the stability of Cutter saddle of practice knife in the process of using.

The utility model is very convenient, fast when changing blade 1.When needing to change blade 1, only with hand is pressed shell fragment 6 and is upwards promoted cover plate 3, and cover plate 3 is separated with knife rest main body 2, just can take out blade 1.Otherwise, when blade 1 is installed, only needs that breach a, b on the blade 1 are aimed at the blade blade and lay positioning boss A, the B that locates in 4, put it in the blade detent 4, then cover plate 3 is inserted in the knife rest main body 2 by groove 5, shell fragment 6 makes cover plate 3 fixing on moving.So just finished the installation of blade 1.

Embodiment 2:

Referring to Fig. 5～Fig. 8, in this embodiment, compare with embodiment 1 that different is: the connected mode of Cutter saddle of practice knife cover plate 3 and knife rest main body 2, have at least a side to be provided with a groove 9 in 4 sides, the blade place of laying, groove 9 lays respectively in the relative two sides in the present embodiment, and cover plate 3 is played guiding and positioning action.And cover plate 3 can insert within the knife rest main body 2 as drawer along groove 9 from a side, covers blade fully and lays place 4, pushes down blade 1 simultaneously, makes blade 1 fixing.

In addition, locking device in the present embodiment is the screw locking mechanism, and it comprises screwed hole 16 and screwed hole 18 on the cover plate 3 and the screw 17 that is arranged on the knife rest main body 2.Screw 17 can pass this two screwed

holes

16,18, and cover plate 3 and knife rest main body 2 are interfixed.Further the limiting of the free degree between cover plate 3 and the knife rest main body 2, guarantee the stability of its work by this locking device.

Remaining structure is identical with embodiment 1.

Present embodiment is also very convenient, fast when changing blade 1.When needing to change blade 1, only with hand unscrews screw 17, and screw 17 and screwed hole 16 are broken away from, and promotes screw 17 then, drives cover plate 3, and cover plate 3 is spun off from knife rest main body 2 along groove 9, at this moment, just can take out blade 1 easily.Otherwise, when blade is installed, only need that breach a, b on the blade 1 are aimed at blade and lay positioning boss A, the B that locates in 4, put it into the blade blade and lay in the place 4, then cover plate 3 is inserted within the knife rest main body 2 as drawer along groove 9 from a side, cover blade fully and lay place 4, push down blade 1 simultaneously, again screw 17 is screwed in screwed holes 16 and screw, just can fix blade 1, also just finished the installation of blade 1.

Embodiment 3:

Referring to Fig. 9, Figure 10, in this embodiment, Cutter saddle of practice knife comprises knife rest main body 2 and cover plate 3, and cover plate 3 is identical with embodiment 2 with the connected mode of knife rest main body 2.Different is, locking device in this example is a U type deduction structure, and it comprises that mainly a U type buckles 20.It is rubber-like parts that the U type buckles 20, be installed on the knife rest main body 2 by the axle in the hole on it 23, and can 23 rotations around the hole.Buckle 20 inboard in the U type and be provided with boss 22, the arranged outside of cover plate 3 has shrinkage pool 21.Buckle 20 when swing U type, when the position of shrinkage pool 21 and boss 22 is overlapped, buckle in the U type under self elastic reaction of 20, boss 22 snaps in shrinkage pool 21 makes cover plate 3 and knife rest main body 2 form location and locking.All the other structures are identical with embodiment 2.

Present embodiment is very convenient, fast equally when changing blade 1.When needing to change blade 1, only with hand is stirred U-shape lock button 20, and the boss 22 on U-shape lock button 20 inboards that make is separated with the shrinkage pool 21 on cover plate 3 outsides, promote cover plate 3, cover plate 3 is spun off from knife rest main body 2 along groove 9, at this moment, just can take out blade 1 easily.Otherwise, when blade is installed, only need that breach a, b on the blade 1 are aimed at blade and lay positioning boss A, the B that locates in 4, put it into the blade blade and lay in the place 4, then cover plate 3 is inserted within the knife rest main body 2 as drawer along groove 9 from a side, cover blade fully and lay place 4, push down blade 1 simultaneously, it is downward to rotate U-shape lock button 20, and shrinkage pool 20 is overlapped with boss 22 positions, and formation cover plate 3 and U type are buckled 20 interlocking.So just finished the installation of blade 1.

In addition; the utility model also has the exchange of other structure; be not limited to mode in the above-mentioned specific embodiment; such as; locking device has more than and is limited to above-mentioned shell fragment locking mechanism, screw locking mechanism or three kinds of mechanisms of U type deduction structure; can also be other locking device, this be that conspicuous conversion all should be to belong to protection domain of the present utility model for those of ordinary skill in the art.

Claims

1. plug-in type Cutter saddle of practice knife, it comprises knife rest main body and the cover plate with branch body structure, the knife rest main body is provided with the blade that is complementary with blade and lays the place, it is characterized in that: have at least a side to be provided with a groove in the side at the described blade place of laying, and cover plate can insert in the knife rest main body from the described groove that is complementary.

2, a kind of plug-in type Cutter saddle of practice knife according to claim 1 is characterized in that: cover plate and/or knife rest main body can be sealed by a locking device, and described locking device can be a screw locking mechanism, shell fragment locking mechanism or U type buckle structure.