CN2394766Y

CN2394766Y - Folding knife

Info

Publication number: CN2394766Y
Application number: CN 99243165
Authority: CN
Inventors: �罗勃特; 布拉勒斯; 布鲁斯; 泰勒
Original assignee: YURUI TRADE CO Ltd
Current assignee: YURUI TRADE CO Ltd
Priority date: 1999-10-27
Filing date: 1999-10-27
Publication date: 2000-09-06
Anticipated expiration: 2009-10-27

Abstract

The utility model relates to a folding knife. Primarily, a lock fitting is arranged on a knife handle, and is mutually clamped with a knife part. A releasing structure and a reset spring are arranged on the lock fitting so that the folding knife which is firmly positioned and easily folded when the knife part is opened is formed.

Description

Jackknife

The utility model relates to cutter, the jackknife that particularly a kind of folding easily and expansion are firmly located.

Cutter is a kind of hand-held tool commonly used, and its structure generally is provided with a handle of a knife and a cutter portion.Cutter generally is the combining form that fixedly installs between the handle of a knife of conventional tool and cutter portion, so that can bear cutting stressed during article.Yet the conventional tool that this kind can't folding not only can be occupied bigger space when not using, and not portable and collection, and the cutter portion of exposing hurts personnel easily, can have a misgiving on safety.Therefore, the someone designs a kind of folding cutter, so that cutter can collapse in cutter portion in the handle of a knife when not using, so dwindles cutter collection and the volume that carries, and improves the safety in utilization of cutter.

Though yet traditional collapsible folding of jackknife structure, but when launching to use, when if the knife back of cutter portion is subjected to bigger external force, cutter portion just can rotate and fold relative to handle of a knife in spite of oneself at an easy rate, so will cause the user injured at an easy rate, and traditional jackknife comparatively bothers when folding, exists the problem and the shortcoming of security and convenience, is necessary to do further improvement.

The purpose of this utility model provides a kind of jackknife, it mainly is that the handle of a knife of being made up of two separately interior partitions is set, cutter portion is pivoted on handle of a knife, but the cutter relieving portion latch fitting of strong fix upon deployment is set also on handle of a knife, and a releasing structure and the back-moving spring that can remove locking relation between latch fitting and cutter portion is being set on the latch fitting, can dwindle cutter collection volume thus, improve safety in utilization.

The technical solution of the utility model is as follows:

A kind of jackknife, it mainly is to be pivoted with a cutter portion on a handle of a knife, described handle of a knife mainly is made up of the two interior partitions that are provided with separately, is formed with an arc portion in cutter portion with the end that handle of a knife is pivoted mutually, is positioned in cutter portion on the position of arc portion apical margin to be concaved with a blocking groove; Two interior partitions of described handle of a knife are provided with one and can fasten in the latch fitting of cutter portion blocking groove, and latch fitting is provided with the releasing structure that can remove latch fitting and cutter portion blocking relation, also is provided with a back-moving spring on latch fitting.

Described latch fitting mainly is to be provided with one vertically through between two interior partitions, and can snap in the blocking axle in the cutter portion blocking groove relatively, the two ends of described back-moving spring link respectively and are positioned in blocking axle and one on the partition, interior partition be provided with can for back-moving spring one end collude to trough of spring hook.

Described blocking axle is positioned at position between two partitions and axially is arranged with and is formed with relative with the blocking groove of a cutter portion groove that allows.

Radially be convexly equipped with on the described blocking axle and be formed with a blocking bar that can snap in the cutter portion blocking groove.

The described releasing structure handle of dialling on the blocking axle that is formed in one, the free end of dialling handle extend and expose to the handle of a knife outside.

Described releasing structure is the coaxial runner that is provided with of blocking axle.

Described releasing structure is that the periphery at the blocking axle is provided with tooth portion, and is provided with a push rod that is meshed transmission with the tooth portion of blocking axle.

Be provided with spacer block between partition in described two, two interior partitions are set in distance, also be provided with an oblique spacer block and the screw relative of running through near on the spacer block of cutter portion with cutter portion, spiral shell is established an adjustment bolt that can be resisted against cutter portion in screw, in cutter portion, be formed with for adjust bolt against support edge.

Described handle of a knife wherein in one partition be provided with a positioning bead that held by spring, and on the relative position of cutter portion, be concaved with one and can snap in wherein locating slot for positioning bead.

The relative outside of partition respectively is provided with a casing sheets in described two, on the casing sheets that is positioned at latch fitting releasing structure homonymy, be arranged with and be formed with one with to remove structure relative and extend to the fluting of casing sheets periphery, on the casing sheets that is positioned at the back-moving spring homonymy, be arranged with and be formed with a tank that can hold back-moving spring.

The utility model compared with prior art, its advantage and result of use are very obvious.By above technical scheme as can be known, jackknife of the present utility model is hubbed at cutter portion on the two interior partitions that are provided with at interval, one latch fitting that can be fastened with cutter portion is set on the partition in two, can make cutter portion by this when launching to use, has good and firm expansion locating effect, and cutter portion also can not rotate folding relative to handle of a knife arbitrarily when cutting article or being subjected to external force, can improve the safety in utilization of cutter.Secondly, the utility model can be removed the blocking relation between blocking axle and cutter behind group handle of stirring on the latch fitting, make cutter receive folded closing, and improves the convenience of the folding use of cutter thus.

Further specify concrete structure of the present utility model below in conjunction with accompanying drawing.

Fig. 1 is a stereo appearance figure of the present utility model.

Fig. 2 is a three-dimensional exploded view of the present utility model.

Cross-sectional schematic when Fig. 3 is the utility model expansion use.

Cross-sectional schematic when Fig. 4 is the utility model folding.

Fig. 5 is a cross-sectional schematic of the present utility model.

Fig. 6 is the cross-sectional schematic that the utility model cutter portion start point is adjusted structure.

Fig. 7 is the partial schematic sectional view of the utility model cutter portion location structure.

Fig. 8 is the cross-sectional schematic of another embodiment of the utility model when launching to use.

Cross-sectional schematic when Fig. 9 is another embodiment folding of the utility model.

Figure 10 is the partial schematic sectional view of the another embodiment of the utility model.

Figure 11 is the utility model partial schematic sectional view of an embodiment again.

Referring to Fig. 1 and Fig. 2, a kind of jackknife of the present utility model comprises a cutter portion 10 and a handle of a knife, cutter portion 10 is hubbed on the handle of a knife with a pivot, and cutter portion 10 mainly is formed with a blade part, and forms the arc portion 102 of a circular arc at cutter portion 10 and the end that handle of a knife is pivoted mutually.Handle of a knife mainly is made up of two 12,13 of interior partitions that are provided with separately, and 12,13 of partitions are provided with spacer block 16,162 in two, makes two

interior partitions

12,13 be able to be provided with interruption-likely.Be positioned in cutter portion 10 on the position of arc portion 102 apical margins and be concaved with a blocking groove 104, two

interior partitions

12,13 are provided with one and can fasten in the latch fitting 20 of cutter portion 10 blocking grooves 104, so just, can make cutter portion 10 upon deployment by this latch fitting 20, be able to and handle of a knife between be firm positioning states, relatively rotate folding arbitrarily and be unlikely.

Latch fitting 20 mainly is to be provided with one vertically to be arranged in 12,13 of two interior partitions, and can snap in the blocking axle 22 in the cutter portion 10 blocking grooves 104 relatively, axially be arranged with in the position that blocking axle 22 is positioned at 12,13 of two partitions be formed with one can be relative with the blocking groove 104 of cutter portion 10 allow groove 222.Latch fitting 20 is provided with one can drive the releasing structure that blocking axle 22 rotates, this removes structure can be as depicted in figs. 1 and 2, be formed in one and on blocking axle 22, dial handle 24, the free end extension of dialling handle 24 exposes to the handle of a knife outside, allows the user drive 22 rotations of blocking axle by stirring handle 24.Blocking axle 22 is provided with a back-moving spring 30, the two ends of back-moving spring 30 link respectively and are positioned on the set trough of spring hook 132 of partition 13 in blocking axle 22 and, required back stretch in the time of can utilizing this back-moving spring 30 to provide blocking axle 22 portions to reset by this, and allow blocking axle 22 not form to allow the part of groove 222, when cutter portion 10 relative handle of a knifes launch, snap in the blocking groove 104 of cutter portion 10.

Just can utilize the blocking axle 22 of latch fitting 20 and the blocking groove 104 of cutter portion 10 to be fastened thus, as shown in Figures 2 and 3, make cutter portion 10 when handle of a knife launches relatively, be able to strong fix, the usefulness that supplies the user to cut article.At this moment, because blocking axle 22 is subjected to the restriction of back-moving spring 30, as shown in Figure 5, blocking axle 22 can't at random rotate, and can keep and 10 good blocking relations of cutter portion, so although in the cutter use, when the knife back of cutter portion 10 is subjected to bigger external force, cutter portion 10 still can keep and handle of a knife between good positioning relation, and can at random not relatively rotate and folding, improved the security that cutter uses.

When desiring the folding jackknife, can stir group handle 24 on the latch fitting 20, cooperation is referring to Fig. 2 and Fig. 4, make and dial 22 rotations of handle 24 drive blocking axles, make groove 222 relative and allow on the blocking axle 22 with the blocking groove 104 of cutter portion 10, so just can remove the blocking relation of blocking

axle

22 and 104 of cutter portion 10 blocking grooves, the state that 10 recoveries of cutter portion can be rotated relative to handle of a knife.And rotate folding relative to handle of a knife, and 10 foldings of cutter portion are contained in two 12,13 of partitions, not only can dwindle the overall volume of cutter, carrying and collecting in order to cutter, and the blade part that can make cutter portion 10 is done to take in concealedly, avoid personnel to be hurt, further improved the security that cutter uses by it.

When desiring to reuse cutter, cooperation is referring to Fig. 3, Fig. 4 and Fig. 5, handle of a knife rotating knife portion 10 relatively, treat that cutter portion 10 turns to the position of nearly expansion, and when cutter portion 10 contacts with blocking axle 22, owing to be formed with the arc portion 102 of a circular arc in the cutter portion 10, so these arc portion 102 meeting ejection blocking axles 22, blocking axle 22 is rotated and make it allow groove 222 turn to the position relative with cutter portion 10, and form one automatically and rotate the passage that passes through for cutter portion 10, treat that cutter portion 10 turns to the position of expansion, and when making its blocking groove 104 and making groove 222 relative, blocking axle 22 just can reach the back stretch that sees through back-moving spring 30 and turn round because of the strength that loses 102 ejections of arc portion, make and allow groove 222 leave the relative position of 10 blocking grooves 104 with cutter portion, and allow blocking axle 22 not form to allow the part of groove 222 be equipped in the blocking groove 104 of cutter portion 10, so just can not need to stir separately under the situation of handle 24, make cutter portion 10 relative handle of a knifes launch to use and the location quickly and easily, improve the convenience that cutter uses with this.

Partition 12 in two, 13 set near on the spacer block 16 of cutter portion 10, cooperation is referring to Fig. 2 and Fig. 6, one oblique spacer block 16 and the screw 164 relative with cutter portion 10 of running through can be set, the spiral shell countersunk head formula of establishing is adjusted bolt 166 in screw 164, can form the oblique edge 108 that supports on respect to the position of spacer block 16 relatively in cutter portion 10, so when cutter portion 10 is launched to use, but the edge 108 that supports of cutter relieving portion 10 is resisted against on the end of adjusting bolt 166, cutter portion 10 is positioned on the position and angle of a certain relative handle of a knife expansion, and adjust bolt 166 when rotating, make when adjusting relative screw 164 telescopic movings of bolt 166, then can change and adjust 166 energy of bolt support edge 108 against cutter portion 10 position, and then change the angle that cutter portion 10 relative handle of a knifes launch, make the use of cutter have more elasticity and practicality.

A handle of a knife wherein interior partition 12 is provided with a positioning bead 18 that held by spring 182, cooperation is referring to Fig. 2 and Fig. 7, be concaved with a locating slot 106 in cutter portion 10 relative positions, when 10 foldings of cutter portion being contained in two 12,13 of partitions, can allow positioning bead 18 snap in the relative locating slot 106, the effects of the cutter portion 10 a location after the folding are provided in

proper order.Partition

12,13 can be provided with a

casing sheets

14,15 respectively in the outside relatively again in two; cooperation is referring to Fig. 1 and Fig. 2; but two casing sheets, 14,15 fitted bolts and being mounted in two on the

partitions

12,13 wherein, but so mat two

casing sheets

14,15 provide a protection of cutter and the effect of decorating.On the casing sheets 14 that is positioned at 20 groups of handle 24 homonymies of latch fitting, be arranged with and be formed with one with to dial handle 24 relative and extend to the fluting 142 of casing sheets 14 peripheries, so can be in casing sheets 14 be mounted on the partition 12 time, utilize 142 ccontaining groups of handles 24 of fluting, and allow the free end of dialling handle 24 pass by the opening of fluting 142, casing sheets 14 entirely is mounted on the interior partition 12, and can produce any gap.On the casing sheets 15 that is positioned at back-moving spring 30 homonymies, be arranged with the tank 152 that formation one can be held back-moving spring 30 simultaneously, so also can make casing sheets 15 and interior partition 13 gapless combining closely.

Secondly, on the blocking axle 22 of latch fitting 20, can radially be convexly equipped with and form a blocking bar 224, cooperation is referring to Fig. 8, when the free end of blocking bar 224 launches in cutter portion 10 relative handle of a knifes, snap in the blocking groove 104 that is oppositely arranged in the cutter portion 10, so also can utilize the relative blocking of 224 on blocking groove 104 and blocking bar, make cutter portion 10 be able to strong fix in launching on the position of using.When stirring handle 24, and then when driving blocking axle 22 and rotating, blocking bar 224 is removed and blocking groove 104 position of blocking mutually, as shown in Figure 9, cutter portion 10 can be rotated and folding is contained among the handle of a knife relative to handle of a knife.

Releasing structure set on the latch fitting 20 can be referring to Figure 10, on blocking axle 22 coaxial, a runner 26 is set, make by rotating wheel 26 and to make groove 222 relative on the blocking axle 22 with the blocking groove 104 of cutter portion 10, blocking bar 224 on the blocking axle 22 (as Fig. 8 with shown in Figure 9) is removed and blocking groove 104 position of blocking mutually, allowed cutter be able to smooth folding.Periphery at blocking axle 22 can be provided with tooth portion, cooperation is referring to Figure 11, one push rod 28 that can laterally move relative to handle of a knife is set again, push rod 28 is provided with the tooth portion that is meshed with blocking axle 22 tooth portions, by this can be when laterally promoting push rod 28, utilize the two tooth portions that are meshed that blocking axle 22 is rotated,, enlarge the scope of application of the present utility model by this to remove the blocking relation of 10 in blocking axle 22 and cutter portion.

Claims

1. jackknife, it mainly is to be pivoted with a cutter portion on a handle of a knife, it is characterized in that:

Described handle of a knife mainly is made up of the two interior partitions that are provided with separately, is formed with an arc portion in cutter portion with the end that handle of a knife is pivoted mutually, is positioned in cutter portion on the position of arc portion apical margin to be concaved with a blocking groove;

Two interior partitions of described handle of a knife are provided with one and can fasten in the latch fitting of cutter portion blocking groove, and latch fitting is provided with the releasing structure that can remove latch fitting and cutter portion blocking relation, also is provided with a back-moving spring on latch fitting.

2. jackknife according to claim 1, it is characterized in that: described latch fitting mainly is to be provided with one vertically through between two interior partitions, and can snap in the blocking axle in the cutter portion blocking groove relatively, the two ends of described back-moving spring link respectively and are positioned in blocking axle and one on the partition, interior partition be provided with can for back-moving spring one end collude to trough of spring hook.

3. jackknife according to claim 2 is characterized in that: described blocking axle is positioned at position between two partitions and axially is arranged with and is formed with relative with the blocking groove of a cutter portion groove that allows.

4. jackknife according to claim 2 is characterized in that: radially be convexly equipped with on the described blocking axle and be formed with a blocking bar that can snap in the cutter portion blocking groove.

5. jackknife according to claim 2 is characterized in that: the described releasing structure handle of dialling on the blocking axle that is formed in one, the free end of dialling handle extend and expose to the handle of a knife outside.

6. jackknife according to claim 2 is characterized in that: described releasing structure is the coaxial runner that is provided with of blocking axle.

7. jackknife according to claim 2 is characterized in that: described releasing structure is that the periphery at the blocking axle is provided with tooth portion, and is provided with a push rod that is meshed transmission with the tooth portion of blocking axle.

8. jackknife according to claim 1, it is characterized in that: be provided with spacer block between partition in described two, two interior partitions are set in distance, also be provided with an oblique spacer block and the screw relative of running through near on the spacer block of cutter portion with cutter portion, spiral shell is established an adjustment bolt that can be resisted against cutter portion in screw, in cutter portion, be formed with for adjust bolt against support edge.

9. jackknife according to claim 8 is characterized in that: described handle of a knife wherein in one partition be provided with a positioning bead that held by spring, and on the relative position of cutter portion, be concaved with one and can snap in wherein locating slot for positioning bead.

10. jackknife according to claim 1, it is characterized in that: the relative outside of partition respectively is provided with a casing sheets in described two, on the casing sheets that is positioned at latch fitting releasing structure homonymy, be arranged with and be formed with one with to remove structure relative and extend to the fluting of casing sheets periphery, on the casing sheets that is positioned at the back-moving spring homonymy, be arranged with and be formed with a tank that can hold back-moving spring.