CN106799748B - Assist folding knife - Google Patents
Assist folding knife Download PDFInfo
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- CN106799748B CN106799748B CN201510835931.8A CN201510835931A CN106799748B CN 106799748 B CN106799748 B CN 106799748B CN 201510835931 A CN201510835931 A CN 201510835931A CN 106799748 B CN106799748 B CN 106799748B
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- cutter hub
- shank body
- inner frame
- holding tank
- cover board
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Abstract
The invention discloses a kind of assist folding knifes, belong to hand knife, it is not smooth enough when existing jackknife one-handed performance expansion knife handle, the present invention includes knife handle, cutter hub, pivot, knife handle includes the first shank body, second shank body and it is formed in the first shank body, holding tank between second shank body, the first end of pivot is located in the first shank body, the second end of pivot is located in the second shank body, the tail portion that the intermediate position of pivot is through cutter hub makes cutter hub be foldable to holding tank or be unfolded from holding tank, effect has power assistant spring on cutter hub, power assistant spring applies the elastic force being unfolded from holding tank when cutter hub is folded to holding tank to cutter hub.Power-assisted is provided when cutter hub is unfolded, is conducive to one-handed performance；And for the sake of security, the ability of the jackknife locking is assigned, in case maloperation or unexpected cutter hub of opening damage or constitute security risk.
Description
Technical field
The invention belongs to hand knife, specifically a kind of assist folding knife by elastic force expansion cutter hub.
Background technique
Cutter hub is assembled into jackknife on knife handle by pivot, (expansion or folding) usually requires two hands when use
Operation, i.e. a hand hold knife handle, and another hand holds cutter hub and operated, so that user has no time to carry out it with hand
It is operated, and when user is only capable of vacating a hand, it may be difficult to operate the jackknife (operation that cutter hub is especially unfolded).
In order to realize that a hand can operate jackknife, some products add pulling part on cutter hub, one holding when use
Knife handle is held, and stirs the i.e. deployable cutter hub of pulling part to expansion direction with individual fingers (such as thumb) of this hand.But existing skill
There is resistance when cutter hub is unfolded more in the reason of cooperating between the cutter hub and knife handle of art because of assembly or structure, lead to one-handed performance
It is unfolded not smooth enough when knife handle.
Summary of the invention
The technical problem to be solved in the present invention and the technical assignment of proposition are to overcome existing jackknife one-handed performance expansion knife
Inadequate smoothly defect when handle, provides a kind of assist folding knife, to provide power-assisted when cutter hub is unfolded, is conducive to one-handed performance；And
For the sake of security, the ability of the jackknife locking is assigned, in case maloperation or surprisingly unlatching cutter hub damage or structure
At security risk.
In order to achieve the above objectives, assist folding knife of the invention, including knife handle, cutter hub, pivot, the knife handle include the
One shank body, the second shank body and the holding tank being formed between first shank body, the second shank body, the first end of the pivot are located at
In first shank body, the second end of the pivot is located in second shank body, and the intermediate position of the pivot is through
The tail portion of the cutter hub makes the cutter hub be foldable to the holding tank or be unfolded from holding tank, it is characterized in that: described
Cutter hub on effect have a power assistant spring, the power assistant spring applies from holding tank cutter hub when the cutter hub is folded to holding tank
The elastic force of expansion.
As optimization technique means: the power assistant spring be helical torsion springs, the one of the helical torsion springs
End acts on the cutter hub and can rotate with the cutter hub.
As optimization technique means: second shank body has the second inner frame and is covered on outside second inner frame
Second cover board of side, second cover board is equipped with the counterbore towards second inner frame, on second inner frame
Equipped with the second movable span, the helical torsion springs are located in the counterbore, one end of the helical torsion springs
It is acted on across second movable span on the cutter hub, its other end is supported on second cover board.
As optimization technique means: the counterbore is through-hole, and the second end of the pivot is located at second cover board
Inside, elastic clip is equipped on the outside of second cover board, and the elastic clip covers the through-hole.
As optimization technique means: being equipped with resistance piece between first shank body, the second shank body, the cutter hub is folded to institute
The resistance piece applies the elastic force for preventing cutter hub from being unfolded from holding tank to the cutter hub when holding tank stated.
As optimization technique means: the tail portion of the cutter hub is equipped with stress point outstanding, and the cutter hub is folded to described
Resistance piece described in when holding tank is resisted against on the stress point, the cutter hub from holding tank be unfolded during the resistance
Power part leaves the tail portion of the cutter hub.
As optimization technique means: the resistance piece is the elastic force knot produced from first shank body or the second shank body
Structure.
As optimization technique means: the tail end of the cutter hub, which is equipped with, stretches to lateral backing pin, and the knife handle, which is equipped with, to be slided
Dynamic lock tongue, the sliding lock tongue are equipped with push button, and the push button extends to outside the knife handle, and the cutter hub is folded to the receiving
Sliding lock tongue described in when slot can push ahead the direction rotation for stopping the backing pin to be unfolded to cutter hub.
As optimization technique means: first shank body has the first inner frame and is covered on outside first inner frame
First cover board of side, the sliding lock tongue is assemblied between first inner frame and the first cover board, in described first
Skeleton is equipped with the first movable span, and the backing pin passes through first movable span and extends to first inner frame and first
Between cover board, first cover board is equipped with the slide opening that front and back extends, and the push button extends to described across the slide opening
The outside of first cover board.
As optimization technique means: the inside of first cover board is equipped with sliding slot, and the sliding lock tongue is located at described
It is directed in sliding slot.
As optimization technique means: the inside of first cover board is equipped with the movable loose slot in end for the backing pin.
As optimization technique means: the sliding lock tongue is equipped with jerk-finger, and the jerk-finger is equipped with positioning protrusion,
First inner frame is equipped with locating slot, and the positioning protrusion sinks into the locating slot to the sliding lock tongue
Positioning.
As optimization technique means: first shank body has the first inner frame, and second shank body has second
Inner frame, first inner frame are linked together with the second inner frame via ridge, and the resistance piece is positioned at described
Ridge and the en plaque elastic structure extended forward.
As optimization technique means: the ridge includes two of connection first inner frame and the second inner frame
Bridge plate, the resistance piece is between two bridge plates.
As optimization technique means: the cutter hub is independent blade.
As optimization technique means: the cutter hub includes knife rest and the detachable blade that is assemblied on the knife rest.
The beneficial effects of the present invention are: by acting on power assistant spring on cutter hub, power assistant spring is folded to receiving in cutter hub
Apply the elastic force being unfolded from holding tank when slot to cutter hub, provide power-assisted when cutter hub is unfolded, is conducive to one-handed performance.And for safety
For the sake of, assign the ability of the jackknife locking, in order to avoid maloperation or it is unexpected open cutter hub damage or constitute it is hidden safely
Suffer from.
Detailed description of the invention
Schematic diagram when Figure 1A is the cutter hub expansion of assist folding knife of the present invention；
Figure 1B is the top view of Figure 1A；
Fig. 2A is the schematic diagram after removing the first cover board, the second cover board, elastic clip in Figure 1A；
Fig. 2 B is the top view of Fig. 2A；
Fig. 2 C is the schematic diagram of structured rear surface shown in Fig. 2A；
Fig. 3 is the schematic diagram after removing helical torsion springs in Fig. 2 C；
Fig. 4 is the folded schematic diagram of cutter hub of structure shown in Fig. 2A；
Fig. 5 A is the schematic diagram of the first cover board of the invention；
Fig. 5 B is the schematic diagram of structured rear surface shown in Fig. 5 A；
The schematic diagram of the first inner frame, the first inner frame that Fig. 6 A is linked together for the present invention；
Fig. 6 B is the K-K of Fig. 6 A to cross-sectional view；
Fig. 6 C is the top view of Fig. 6 A；
Fig. 6 D is the top view (schematic diagram of structured rear surface shown in Fig. 6 A) of Fig. 6 C；
Fig. 7 A is the schematic diagram of the second cover board of the invention；
Fig. 7 B is the schematic diagram of structured rear surface shown in Fig. 7 A；
Fig. 8 is a kind of schematic diagram of cutter hub of the present invention；
Fig. 9 A is the schematic diagram of the lock tongue being assembled together of the invention, push button；
Fig. 9 B is the top view of Fig. 9 A；
Figure 10 is the schematic diagram of elastic force jam plate of the present invention；
Figure 11 is the schematic diagram of elastic clip of the present invention；
Figure label explanation:
01- knife handle:
The first shank body of 11-: the first inner frame of 111-, the first cover board of 112-, the first movable span of 113-, 114- locating slot,
115- slide opening, 116- sliding slot, 117- loose slot；
The second shank body of 12-: the second inner frame of 121-, the second cover board of 122-, the second movable span of 123-, 124- counterbore, 125-
Slit slot；
13- holding tank；
14- resistance piece；
15- elastic force jam plate, 151- salient point；
16- positioning pin；
17- slides lock tongue, 171- jerk-finger, 172- positioning protrusion；
18- push button；
19- isolation board；
110- ridge；
120- bridge plate；
02- cutter hub: 21- stress point, 22- backing pin, 23- pulling part, 24- axis hole, 25- jack；
03- pivot；
04- power assistant spring；
05- elastic clip.
Specific embodiment
Below in conjunction with Figure of description, the present invention will be further described.
As seen in figs. 1 a-1b, assist folding knife of the invention includes knife handle 01, cutter hub 02, pivot 03, and knife handle 01 includes the
One shank body 11, the second shank body 12 and the holding tank 13(that is formed between the first shank body 11, the second shank body 12 referring to Fig. 6 B, in order to
The holding tank is formed, the isolation board 19 as shown in Figure 1B, Fig. 2 B or isolation are equipped between general first shank body, the second shank body
Set, when being fastened the first shank body, the second shank body with the screw of fastener such as docking, fastener is pressed while fastening two shank bodies
Tight isolation board or separation sleeve are enabled by tight isolation board or separation sleeve and keep spacing to form holding tank, separation sleeve one between two shank bodies
As cover on fastener), the first end of pivot 03, which is located in the first shank body 11, to be supported, and the second end of pivot 03 is located at second
Being supported in shank body 12, (first end, the second end of pivot described herein are only the demand expressed and define, and have no therebetween
It is specific to distinguish), common, pivot 03 is formed by two sections of axis bodies docking (being such as connected through a screw thread), can also be with when specific implementation
It is the structure of other forms, the intermediate position of pivot is through the tail portion of cutter hub, and (referring to Fig. 8, tail portion is equipped with the axis passed through for pivot
Hole 24) make cutter hub 02 be foldable to holding tank 13(referring to fig. 4) or from holding tank expansion (referring to Figure 1A -1B, Fig. 2A -2C,
Fig. 3), effect has power assistant spring 04(B-2C referring to fig. 2 on cutter hub 02), (ginseng when cutter hub is folded to holding tank of power assistant spring 04
See Fig. 4) apply the elastic force being unfolded from holding tank to cutter hub.Structure accordingly, when cutter hub is unfolded, power assistant spring provides power-assisted, needn't
It exerts a force in entirely expansion process to cutter hub, is both conducive to one-handed performance, and cutter hub acts smooth during expansion, not will receive resistance
It is stagnant.
As further improving and supplementing to above-mentioned technical proposal, the invention also includes following additional technical characteristic,
Although diagram, which is contained, constitutes presently preferred embodiments of the present invention below in connection with additional technical feature, the present invention is not limited to this
Situation in carrying out the present invention selects them in the technical solution described in upper section according to specific effect.
Firstly, so that compact-sized, power assistant spring 04 is helical torsion springs (B- referring to fig. 2 for the ease of assembly
2C), one end of the helical torsion springs acts on cutter hub 02 and can rotate with cutter hub.Specifically, referring to Fig. 3, Fig. 8,
The tail portion of cutter hub 02 is equipped with jack 25, and one end of helical torsion springs extends in the hole and elastic force is applied to cutter hub.
Further, the second cover board that the second shank body 12 has the second inner frame 121 and is covered on the outside of the second inner frame
In the 122(present invention, when being related to the outside or inside of a components, outside refers to side of the components far from holding tank, interior
Side refers to the components close to the side of holding tank), the second cover board 122 is equipped with the counterbore 124 towards the second inner frame 121
(referring to Fig. 7 A-7B), the second inner frame 121 are equipped with the second movable span 123(of arc referring to Fig. 3, Fig. 6 D), helical torsion
Spring is located in counterbore 124, one end of helical torsion springs pass through the second movable span 123 act on cutter hub, its other end
It is supported on the second cover board 122 and (referring to Fig. 7 B, slit slot 125, the end position of helical torsion springs is equipped on the second cover board
In in slit slot).
Depending on specific structure requirement, the counterbore can be stepped hole, is also possible to isometrical hole, can be through-hole, can also be with
It is blind hole.Structure type based on counterbore can have following several assembling structures:
A kind of structure is: counterbore is blind hole, and the second end of pivot is located at the inside of the second cover board and is covered by the second cover board.
On this basis, elastic clip is equipped with Portable belt on the outside of the second cover board；
Second is that structure is: counterbore is through-hole, and the second end of pivot is located at the outside of the second cover board and covers through-hole.
On this basis, it is equipped with elastic clip on the outside of the second cover board with Portable belt, the through-hole of corresponding pivot is offered on elastic clip, leads to
The through-hole is crossed convenient for assembly pivot；
The third is that structure is: counterbore 124 is through-hole (referring to Fig. 7 A-7B), and the second end of pivot 03 is located at the second cover board
122 inside, the outside of the second cover board 122 are equipped with elastic clip 05(referring to Figure 1B, Figure 11), elastic clip 05 covers through-hole.
In general, helical torsion springs are coaxially assembled with pivot, and since helical torsion springs are located in counterbore, spiral
The form that shape torque spring is coaxially assembled with pivot can be embodied from the corresponding relationship of counterbore and pivot.
In order to avoid cutter hub folded state is unfolded by the effect of power assistant spring, between the first shank body 11, the second shank body 12
Equipped with resistance piece 14(referring to Figure 1B, 2B, 6C), when cutter hub is folded to holding tank the resistance piece 14 to cutter hub apply prevent cutter hub from
The elastic force of holding tank expansion, to offset the elastic force (referring to fig. 4) of power assistant spring 04.
Specifically, the tail portion of cutter hub 02 is equipped with stress point 21(outstanding referring to Fig. 8), cutter hub is folded to appearance as shown in Figure 4
Receive slot when resistance piece 14 be resisted against on stress point 21, cutter hub from holding tank be unfolded during resistance piece leave cutter hub tail portion come
Reduce the resistance of cutter hub expansion.
Specifically, resistance piece can be the rigid member being assemblied between the first shank body, the second shank body, effect has bullet on resistance piece
(resistance piece of this structure is referred to Fig. 1 in patent document CN201095111Y, locking bar shown in Fig. 2, this knot to property element
The elastic element of structure is referred to Fig. 1 in patent document CN201095111Y, support spring shown in Fig. 2).Further, it hinders
The end of power part is equipped with latch hook (being referred to Fig. 1 in patent document CN201095111Y, lock shown in Fig. 2), the tail of cutter hub
Portion is equipped with locked groove (being referred to Fig. 1 in patent document CN201095111Y, locating slot shown in Fig. 2), latch hook when cutter hub is unfolded
In locked groove, to lock cutter hub, cutter hub is avoided surprisingly to fold.
As a kind of ideal structure, resistance piece 14 is the spring element being assemblied between the first shank body, the second shank body, or
For the elastic structure (referring to Fig. 6 C) produced from the first shank body 11 or the second shank body 12, it is illustrated as and the first inner frame 111,
Two inner frames 121 are made as one.
In order to lock cutter hub after cutter hub is unfolded, avoids cutter hub from surprisingly folding, can hold as shown in Figure 1A, Fig. 2A, Fig. 3
Receive be equipped in slot 13 can lateral deformation elastic force jam plate 15(referring to Figure 10), elastic force when cutter hub is folded to holding tank as shown in Figure 4
Jam plate 15 is located at the side of cutter hub, and cutter hub is resisted against cutter hub from the front end of elastic force jam plate 15 after holding tank expansion as illustrated in figures 1 a-3
Tail portion prevent cutter hub to holding tank fold.When cutter hub to be folded, it need to show and push elastic force jam plate 15 to side open, then folding of taking advantage of a situation
Cutter hub.When manufacture, elastic force jam plate can be the independent components being assemblied between the first shank body, the second shank body, can also be from first
The structure produced in shank body or the second shank body.Since knife handle is divided into two parts by holding tank, and bullet when cutter hub is folded to holding tank
Power jam plate is located at the side of cutter hub, therefore the elastic force jam plate is usually as the first shank body or the composition part of the second shank body, just this
For invention, elastic force jam plate 15 shown in Fig. 10 and the second inner frame 121 are assemblied in a plane and constitute the group of the second shank body
At part, and in order to strengthen assembling structure, elastic force jam plate 15 is locked in together with the second inner frame by the cooperation of hook and slot.It is aobvious
Right, elastic force jam plate can also manufacture as a whole with the first inner frame, the second inner frame.
In order to be positioned when cutter hub is unfolded to cutter hub, especially with when form the support to cutter hub to cut object,
Positioning pin 16(is connected between first shank body 11 and the second shank body 12 referring to Figure 1B), cutter hub from holding tank expansion after its tail portion according to
It leans against on positioning pin.
During cutter hub is unfolded, in order to reduce elastic force jam plate to cutter hub resistance, the front end side of elastic force jam plate 15 is equipped with
Salient point 151(is referring to Figure 10, Fig. 2 C, Fig. 3), (cutter hub is folded to holding tank referring to fig. 4 when elastic force jam plate 15 is located at the side of cutter hub
State) bump contacts are in the side of cutter hub tail portion, since salient point and cutter hub contact area are small, be unfolded cutter hub when to cutter hub
Resistance be reduced.
Since the present invention obtains power-assisted when cutter hub is unfolded, the risk that cutter hub is surprisingly unfolded is increased, in order to keep away
Exempt from this risk, be equipped in the tail end of cutter hub and stretch to lateral backing pin 22(A-2B, Fig. 4 referring to fig. 2), knife handle is equipped with slide lock
Tongue 17, sliding lock tongue 17 are equipped with push button 18(A, Fig. 4 referring to fig. 2), push button 18 extends to outside knife handle 01, and cutter hub is folded to holding tank
When sliding lock tongue 17 can push ahead direction be unfolded to cutter hub of backing pin 22 is stopped to rotate.So even if cutter hub obtains power-assisted,
But bolt blocks backing pin provides safety guarantee for unexpected expansion cutter hub.
It is compact-sized to make, the first shank body 11 have the first inner frame 111 and be covered on the outside of the first inner frame first
Cover board 112, sliding lock tongue 17 are assemblied between the first inner frame 111 and the first cover board 112 (referring to Figure 1A, Fig. 2A, Fig. 4), the
One inner frame 111 is equipped with the first movable span 113(A, Fig. 4 referring to fig. 2 of arc), backing pin 22 passes through the first movable span 113 and stretches
To between the first inner frame 111 and the first cover board 112, the first cover board 112 be equipped with slide opening 115(that front and back extends referring to Fig. 5 A,
Fig. 5 B), push button 18 passes through slide opening 115 and extends to the outside of the first cover board 112 to operate.
Further, the inside of the first cover board 112 is equipped with sliding slot 116(referring to Fig. 5 B), sliding lock tongue 17 is located at sliding slot 116
It is inside directed to, therefore can flexibly be slided at front-rear direction (left and right directions shown in Figure 1A).
In order to ensure lock tongue can stop backing pin, backing pin should have enough length, so in the inside of the first cover board
Equipped with the movable loose slot 117(in end for backing pin referring to Fig. 5 B).
It is located in corresponding position in order to which lock tongue will be slided, sliding lock tongue 17 is equipped with jerk-finger 171, jerk-finger
171 are equipped with positioning protrusion 172(referring to Fig. 9 A, 9B), the first inner frame 111 is equipped with locating slot 114(referring to Fig. 6 A), positioning
Protrusion 172 is sunk into locating slot 114 to sliding lock tongue positioning.In this way, (referring to fig. 4) when cutter hub folds, sliding lock tongue 17 hinders
Backing pin 22 is kept off, positioning protrusion 172 sinks into the locating slot in left side；When cutter hub is unfolded, lock tongue must be removed and not stop backing pin, so
Positioning protrusion sinks into the locating slot on right side (A referring to fig. 2), by sliding lock tongue positioning.
As previously mentioned, the first cover board that the first shank body 11 has the first inner frame 111 and is covered on the outside of the first inner frame,
Second shank body 12 has the second inner frame 121 and the second cover board that is covered on the outside of the second inner frame, the first inner frame 111 and the
Two inner frames 121 are linked together via ridge 110 (referring to Fig. 6 A-6D), and resistance piece 14 is to prolong positioned at ridge 110 and forward
The en plaque elastic structure stretched, the structure can make two inner frames have preferably rigidity.Portable construction is compact in order to obtain
Resistance piece, ridge 110 include connection the first inner frame 111 and the second inner frame 121 two bridge plate 120(referring to Fig. 6 A,
Fig. 6 C), between two bridge plates 120 that resistance piece 14 is located at.
For the ease of cutter hub is unfolded, cutter hub is equipped with pulling part 23.
And the concrete form as cutter hub, cutter hub can be independent blade (referring to Fig. 8), cutter hub may also include knife rest and dress
Fit over the detachable blade on knife rest (referring to knife rest, the blade in patent document CN201095111Y).
Claims (14)
1. assist folding knife, including knife handle (01), cutter hub (02), pivot (03), the knife handle (01) includes the first shank body
(11), the second shank body (12) and the holding tank (13) being formed between first shank body, the second shank body, the pivot (03)
First end is located in first shank body (11), and the second end of the pivot (03) is located in second shank body (12),
The tail portion that the intermediate position of the pivot (03) is through the cutter hub (02) makes the cutter hub be foldable to the holding tank
Or be unfolded from holding tank, it is characterized in that: there is power assistant spring (04) effect on the cutter hub (02), the power assistant spring (04)
Apply the elastic force being unfolded from holding tank to cutter hub when the cutter hub (02) is folded to holding tank (13)；
Resistance piece (14) are equipped between first shank body (11), the second shank body (12), the resistance piece (14) is from described
The elastic structure produced in first shank body or the second shank body, the resistance piece when cutter hub (02) is folded to the holding tank
(14) apply the elastic force for preventing cutter hub from being unfolded from holding tank to the cutter hub (02).
2. assist folding knife according to claim 1, it is characterized in that: the power assistant spring (04) is helical torsion bullet
Spring, one end of the helical torsion springs act on the cutter hub and can rotate with the cutter hub.
3. assist folding knife according to claim 2, it is characterized in that: second shank body (12) has the second inner frame
(121) and the second cover board (122) for being covered on the outside of second inner frame, second cover board (122) are equipped with direction
The counterbore (124) of second inner frame (121), second inner frame (121) are equipped with the second movable span (123), institute
The helical torsion springs stated are located in the counterbore (124), and one end of the helical torsion springs passes through described the
Two movable spans (123) act on the cutter hub (02), its other end is supported on second cover board (122).
4. assist folding knife according to claim 3, it is characterized in that: the counterbore (124) is through-hole, the pivot
(03) second end is located at the inside of second cover board (122), is equipped with elastic clip on the outside of second cover board (122)
(05), the elastic clip (05) covers the through-hole.
5. assist folding knife according to claim 1, it is characterized in that: the tail portion of the cutter hub (02) is equipped with stress outstanding
Point (21), when the cutter hub is folded to the holding tank described in resistance piece (14) be resisted against on the stress point (21),
The cutter hub from holding tank be unfolded during the resistance piece leave the tail portion of the cutter hub.
6. assist folding knife according to claim 1, it is characterized in that: the tail end of the cutter hub (02) is lateral equipped with stretching to
Backing pin (22), the knife handle (01) are equipped with sliding lock tongue (17), and the sliding lock tongue (17) is equipped with push button (18), described
Push button (18) extends to the knife handle (01) outside, when the cutter hub (02) is folded to the holding tank described in sliding lock tongue (17)
The direction rotation for stopping the backing pin (22) to be unfolded to cutter hub can be pushed ahead.
7. assist folding knife according to claim 6, it is characterized in that: first shank body (11) has the first inner frame
(111) and the first cover board (112) for being covered on the outside of first inner frame, the sliding lock tongue (17) are assemblied in described
Between first inner frame (111) and the first cover board (112), first inner frame (111) is equipped with the first movable span
(113), the backing pin (22) passes through first movable span (113) and extends to first inner frame (111) and first
Between cover board (112), first cover board (112) is equipped with the slide opening (115) that front and back extends, and the push button (18) passes through
The slide opening (115) extends to the outside of first cover board (112).
8. assist folding knife according to claim 7, it is characterized in that: the inside of first cover board (112) is equipped with sliding slot
(116), the sliding lock tongue (17) is located in the sliding slot (116) and is directed to.
9. assist folding knife according to claim 7, it is characterized in that: the inside of first cover board (112) is equipped with for institute
State the movable loose slot in end (117) of backing pin (22).
10. assist folding knife according to claim 7, it is characterized in that: the sliding lock tongue (17) is equipped with jerk-finger
(171), the jerk-finger (171) is equipped with positioning protrusion (172), and first inner frame (111) is equipped with locating slot
(114), the positioning protrusion (172) sinks into position the sliding lock tongue (17) in the locating slot (114).
11. assist folding knife according to claim 1, it is characterized in that: first shank body has the first inner frame, institute
The second shank body stated has the second inner frame, and first inner frame (111) and the second inner frame (121) are via ridge
(110) it is linked together, the resistance piece (14) is the en plaque elastic force knot extended positioned at the ridge (110) and forward
Structure.
12. assist folding knife according to claim 11, it is characterized in that: the ridge (110) includes described in connection
Two bridge plates (120) of the first inner frame (111) and the second inner frame (121), the resistance piece (14) are located at described two
Between a bridge plate (120).
13. assist folding knife according to claim 1, it is characterized in that: the cutter hub is independent blade.
14. assist folding knife according to claim 1, it is characterized in that: the cutter hub includes knife rest and is assemblied in described
Detachable blade on knife rest.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510835931.8A CN106799748B (en) | 2015-11-26 | 2015-11-26 | Assist folding knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510835931.8A CN106799748B (en) | 2015-11-26 | 2015-11-26 | Assist folding knife |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106799748A CN106799748A (en) | 2017-06-06 |
| CN106799748B true CN106799748B (en) | 2019-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510835931.8A Active CN106799748B (en) | 2015-11-26 | 2015-11-26 | Assist folding knife |
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| CN (1) | CN106799748B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107479423B (en) * | 2017-09-14 | 2019-08-23 | 厦门曦然科技有限公司 | Engagement type rotating member folding control device and control method |
| CN112269358B (en) * | 2017-10-09 | 2022-08-26 | 山东云途供应链管理有限公司 | Safety control method for tubular logistics system |
| CN108748279A (en) * | 2018-06-01 | 2018-11-06 | 阳江拓必拓工业技术研究院有限公司 | A kind of telescopic jack knife of handle of a knife |
| PT110858B (en) * | 2018-07-18 | 2021-04-05 | Fábrica De Cutelarias Filmam, Lda. | POCKETKNIVES WITH DOUBLE BLADE BLOCKING DEVICE |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205111889U (en) * | 2015-11-26 | 2016-03-30 | 杭州巨星科技股份有限公司 | Helping hand folding knife |
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| CN202053257U (en) * | 2011-05-24 | 2011-11-30 | 蔡业鹏 | Folding cutter and folding cutter capable of being operated by single hand |
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| CN205111889U (en) * | 2015-11-26 | 2016-03-30 | 杭州巨星科技股份有限公司 | Helping hand folding knife |
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| CN106799748A (en) | 2017-06-06 |
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