CN207789014U - A kind of jack knife - Google Patents
A kind of jack knife Download PDFInfo
- Publication number
- CN207789014U CN207789014U CN201721193628.3U CN201721193628U CN207789014U CN 207789014 U CN207789014 U CN 207789014U CN 201721193628 U CN201721193628 U CN 201721193628U CN 207789014 U CN207789014 U CN 207789014U
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- China
- Prior art keywords
- knife
- handle
- cutter hub
- connector
- protrusion
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Abstract
The utility model is related to cutting-tool engineering fields, include handle of a knife and cutter hub more particularly, to a kind of jack knife, cutter hub is arranged by axis pin on handle of a knife, wherein, cutter hub back is equipped with fitting portion, and fitting portion is chimeric flexible connector, connector one end is equipped with protrusion, protrusion can be slided when cutter hub is opened and closed along handle of a knife, and handle of a knife and cutter hub are equipped with slot, and protrusion can be chimeric with the slot being equipped on handle of a knife and cutter hub after cutter hub opening；Handle of a knife is equipped with groove body, and groove body can be chimeric with protrusion after cutter hub closure.The cutter hub action locking and action of jack knife provided by the utility model are released and can be realized by connector, are simplified operation of the user in open or close cutter hub, are optimized the usage experience of user.
Description
Technical field
The utility model is related to cutting-tool engineering fields, more particularly, to a kind of jack knife.
Background technology
In the prior art, the locking plate on handle of a knife is arranged to realize in the opening and closing generally use of jack knife, and user is beating
Open and close need a hand to control handle of a knife when closing cutter hub, and a hand stirs locking plate, to release locking of the locking plate to cutter hub.In this way
Design user need be closed cutter hub when can bring inconvenience to user.User needs a hand to pull locking plate, and a hand is pulled
Cutter hub, it is inconvenient, reduce the usage experience of user.
Utility model content
The utility model is at least one defect overcome described in the above-mentioned prior art, provides a kind of jack knife, and cutter hub moves
Making locking and action releasing can be realized by single component, simplify operation of the user in open or close cutter hub, optimization
The usage experience of user.
In order to solve the above technical problems, the technical solution adopted in the utility model is：A kind of jack knife includes handle of a knife and knife
Body, cutter hub are arranged by axis pin on handle of a knife, wherein cutter hub back is equipped with fitting portion, and fitting portion is chimeric flexible company
Fitting, connector one end are equipped with protrusion, and protrusion can be slided when cutter hub is opened and closed along handle of a knife, on handle of a knife and cutter hub
Equipped with slot, protrusion can be chimeric with the slot being equipped on handle of a knife and cutter hub after cutter hub opening；Handle of a knife is equipped with groove body, groove body energy
It is enough chimeric with protrusion after cutter hub closure.
Cutter hub is arranged by axis pin on handle of a knife, and cutter hub can be rotated under the action of axis pin relative to handle of a knife.
The back of cutter hub is provided with fitting portion, and being fitted on fitting portion has flexible connector, fitting portion to pass through packing interaction pair
The movement of connector is defined.It is equipped with protrusion in connector one end, protrusion can during cutter hub opens and closes
It is slided along handle of a knife, restriction effect is played to the direction of motion of connector.After cutter hub is opened completely, bullet of the protrusion in connector
Property effect is lower can be chimeric with the slot that handle of a knife and cutter hub are equipped with.It is entrenched in slot at this point, protrusion is fixed, connects with protrusion
The connector connect is moved by limitation, therefore the cutter hub chimeric with connector is moved by limitation, by convex after cutter hub is opened completely
Go out locking of the chimeric realization of portion and slot to cutter hub.In locking of the contact to cutter hub, overcome the elasticity of connector to protrusion
Extruding, protrusion is transferred to out of slot, you can release locking to cutter hub.Groove body is equipped on handle of a knife, groove body can be in knife
It is chimeric with protrusion when body is closed completely, fixed protrusion, to the connector that locking is connect with protrusion, and then to cutter hub
It is locked, prevents cutter hub from opening.
In one embodiment, handle of a knife is equipped with the first handle of a knife and the second handle of a knife, and cutter hub is arranged by axis pin in the first knife
Between handle and the second handle of a knife, cutter hub is rotated under the action of axis pin relative to the first handle of a knife and the second handle of a knife.
Protrusion is slided when cutter hub is opened and closed along the first handle of a knife and the second handle of a knife, the first handle of a knife and the second handle of a knife pair
Restriction effect is played in the sliding of protrusion, and protrusion is prevented to be detached from handle of a knife, improves the stability in protrusion sliding process.In knife
In body rotation process, protrusion slides under the action of connector along the first handle of a knife and the second handle of a knife.Protrusion is convex in sliding
Go out portion to be changed with sliding with handle of a knife contact position, contact position changes at a distance from fitting portion with sliding.Distance becomes
Change and elasticity compressing is generated to connector, oppresses cutter hub after connecting member deformation, make any angle of the cutter hub in opening procedure not
It can jerk without external forces, improve the safety of jack knife.
Preferably, protrusion is equipped with catch, and catch is slided when cutter hub is acted along the first handle of a knife and the second handle of a knife.
Protrusion is equipped with catch, and catch, along the first handle of a knife and the sliding of the second handle of a knife, passes through catch and the when cutter hub act
One handle of a knife and the second handle of a knife are bonded to each other, and realize that protrusion is connect with the Stable sliding of the first handle of a knife and the second handle of a knife.
Preferably, the first handle of a knife and/or the second handle of a knife are equipped with convex edge, and catch is slided when cutter hub is acted along convex edge.
Convex edge is equipped on the first handle of a knife and/or the second handle of a knife, convex edge can be bonded with the catch that protrusion is equipped with, simultaneously
Convex edge can play the sliding of catch restriction effect, and anti-stop tab is detached from sliding process with handle of a knife, and it is whole to increase jack knife
Stability.During protrusion is rotated along convex edge, protrusion is changed with handle of a knife contacting points position with sliding, contact
Point changes at a distance from fitting portion with sliding.Distance change generates elasticity compressing to connector, is oppressed after connecting member deformation
Cutter hub prevents cutter hub from jerking in opening procedure, improves the safety of jack knife.
In one embodiment, connector is equipped with groove, and fitting portion is equipped with lock tongue, and lock tongue is embedding with connector in fitting portion
It can be chimeric with groove when conjunction.
Fitting portion is equipped with lock tongue, while groove is equipped on connector, and after fitting portion is chimeric with connector, lock tongue can
It is carried out with groove chimeric.Cutter hub be closed completely or completely open original state under acted when, need to pull connector,
Release locking of the connector to cutter hub.When pulling connector, lock tongue can generate extruding to groove, and connector is made to have reset to incline
To realization connector automatically reseting after pulling.
Preferably, the handle of a knife of the first handle of a knife/second is equipped with pendant, and pendant is equipped with to be consolidated with what the handle of a knife of the first handle of a knife/second was connect
Determine part, the fixing piece is chimeric buckle.
In order to facilitate carrying and hanging for jack knife, it is equipped with pendant on the handle of a knife of the first handle of a knife/second, passes through pendant and realizes pair
The fixation and carrying of jack knife.It is equipped with fixing piece on pendant, buckle is provided on fixing piece, buckle has clamping function,
The fixation to jack knife is realized by the clamping function of buckle.
Preferably, connector is set as the curved rod to match with cutter hub back arc.
Connector is arranged on cutter hub, sets connector to curved rod, shape and the cutter hub back arc phase of curved rod
Matching.Connector can fit in use with knife spine, form an entirety, increase the compactedness of jack knife entirety.
The utility model compared with prior art, by being equipped with connector on cutter hub, is moved by connector in cutter hub
When contact with handle of a knife and chimeric, realize locking of the connector to cutter hub.Simultaneously because being equipped with protrusion on connector, lead to
Cross the design feature of protrusion, can one hand stir connector, to realize the purpose of one-handed performance jack knife.The shape of connector
It is set as matching with the arc of knife spine, connector forms compact entirety with cutter hub, enhances the compactedness of jack knife.
Description of the drawings
Fig. 1 is the utility model overall structure diagram in one embodiment.
Fig. 2 is the utility model jack knife part-structure schematic diagram when cutter hub is opened completely in one embodiment.
Fig. 3 is the utility model jack knife part-structure schematic diagram in cutter hub closing course in one embodiment.
Fig. 4 is that cutter hub is closed completely rear jack knife part-structure schematic diagram to the utility model in one embodiment.
Specific implementation mode
Attached drawing only for illustration, should not be understood as limiting the present invention；In order to more preferably illustrate this implementation
Example, the certain components of attached drawing have omission, zoom in or out, and do not represent the size of actual product；For those skilled in the art
For, the omitting of some known structures and their instructions in the attached drawings are understandable.Position relationship described in attached drawing is only used for
Exemplary illustration should not be understood as limiting the present invention.
Embodiment 1：
As shown in Figure 1, the utility model provides a kind of jack knife, include handle of a knife and cutter hub 1, cutter hub 1 is arranged by axis pin 2
On handle of a knife, handle of a knife can be rotated under the action of axis pin 2 relative to handle of a knife, realize the opening and closing of cutter hub 1.
As shown in Figure 1, be provided with fitting portion 11 at the back of cutter hub 1, cutter hub 1 by fitting portion it is chimeric have it is flexible
Connector 3 is provided with the first protrusion 32 in the one end chimeric with fitting portion 11 of connector 3, passes through the first protrusion 32 and fitting portion
11 it is chimeric, that stablizes links together connector 3 and cutter hub 1.One end of connector 3 is provided with protrusion 4, protrusion
4 can be slided during cutter hub 1 opens and closes along handle of a knife, when connector 3 is moved in company with cutter hub 1,4 energy of protrusion
It enough follows connector 3 to be slided on handle of a knife, connector 3 is prevented to be detached from the contact with handle of a knife, enhance steady in jack knife motion process
It is qualitative.
In the present embodiment, on handle of a knife and cutter hub 1 be equipped with slot, protrusion 4 can cutter hub 1 completely open after, with
It is chimeric with the slot that handle of a knife and cutter hub 1 are equipped under the contention effect of the connector 3 of elasticity, locking is played to the movement of connector 3
Effect realizes that cutter hub 1 opens locking of the rear connectors 3 to cutter hub 1.
Groove body is equipped on handle of a knife simultaneously, groove body can be chimeric with protrusion 4 after the closure of cutter hub 1, to the fortune of connector 3
It is dynamic to play locking effect, realize that cutter hub 1 is closed completely locking of the rear connectors 3 to cutter hub 1.
As shown in Figure 1, being equipped with lock tongue 12 on fitting portion 11, it is equipped in the one end chimeric with fitting portion 11 of connector 3 recessed
Slot 31, after fitting portion 11 is chimeric with connector 3, lock tongue 12 can carry out chimeric with groove 31.Cutter hub 1 be closed completely/completely
When being acted under the original state of opening, need to pull flexible connector 3, releasing protrusion 4 is embedding with groove body/slot
It closes, to release locking of the connector 3 to cutter hub 1.When pulling protrusion 4, elastic connector 3 is carried out in company with protrusion 4
Action, lock tongue 12 can generate groove 31 extruding, and connector 3 and one end embedding and that portion 11 is chimeric are in lock tongue 12 and groove 31
Effect is lower to be fixedly connected with cutter hub, is made connector 3 have reset to be inclined to, is realized the automatically reseting after being pulled of connector 3.
Embodiment 2：
As shown in Figure 1, in the present embodiment, handle of a knife is equipped with the first handle of a knife 5 and the second handle of a knife 6, cutter hub 1 are arranged by axis pin 2
Between the first handle of a knife 5 and the second handle of a knife 6.It is equipped with the first slot 51 on the first handle of a knife 5, the second slot is equipped on the second handle of a knife 6
61, third slot 13 is equipped on cutter hub 1.First slot 51, the second slot 61 and third slot 13 are after cutter hub 1 is opened completely, the first slot
51, the second slot 61 can be chimeric with protrusion 4, at the same the third slot 13 that is equipped with of cutter hub 1 can be equipped with connector 3
Two protrusions 33 are chimeric.Pass through protrusion 4 and the first slot 51, the Qian He of the second slot 61 and the under the contention effect of elastic component 3
The Qian He of two protrusions 33 and third slot 13 is realized the locking to connector 3 after cutter hub 1 is opened completely, and then is realized to cutter hub 1
Locking.
As shown in Fig. 2, when cutter hub 1 is closed by full open position, by stirring protrusion 4, overcome with bullet
Property compressing of the connector 3 to protrusion 4, release locking of the protrusion 4 to connector 3, realize the rotation of cutter hub 1.
As shown in figure 3, in 1 rotation process of cutter hub, two catch 41 that protrusion 4 is equipped with respectively with the first handle of a knife 5 and
Convex edge 52 that two handle of a knifes 6 are equipped with is bonded, and protrusion 4 is prevented to be disconnected with handle of a knife in rotation process, ensure connector 3 with
The stability of handle of a knife connection.
Simultaneously during protrusion 4 is rotated along convex edge 52, protrusion 4 is become with handle of a knife contacting points position with sliding
Change, contact point changes at a distance from fitting portion 11 with sliding.Distance change generates elastic compressing, connector 3 to connector 3
Cutter hub 1 is oppressed after deformation, is prevented cutter hub 1 from jerking in opening procedure, is improved the safety of jack knife.
As shown in Figure 1, on the first handle of a knife 5 be equipped with the 4th slot 53, the 4th slot 53 can after cutter hub 1 is closed completely with it is convex
Go out portion 4 to be fitted into, connector 3 is locked, and then locks cutter hub 1.It is identical that the 4th slot 53 is equipped on the second handle of a knife 6
Structure.
As shown in figure 4, after cutter hub 1 is closed completely, protrusion 4 can be equipped with the second handle of a knife 6 with the 4th slot 53
Identical structure is chimeric, is locked to connector 3, realizes the locking to cutter hub 1.
When cutter hub 1 is opened by fully closed condition, operating process by full open position be closed with cutter hub 1
Journey is similar.
Embodiment 3：
The present embodiment is similar to Example 2, the difference is that, elastic connector 3 is set as and 1 back arc phase of cutter hub
Matched curved rod, connector 3 are arranged on cutter hub 1, and shape and the 1 back arc of cutter hub of curved rod match.Connector 3 exists
It can fit as far as possible with knife spine during use, form an entirety, increase the compactedness of jack knife entirety.
Embodiment 4：
As shown in Figure 1, the present embodiment is similar to Example 3, the difference is that, it is set in 5/ second handle of a knife 6 of the first handle of a knife
There are pendant, pendant to be equipped with the fixing piece 72 being connect with 5/ second handle of a knife 6 of the first handle of a knife, being fitted on fixing piece 72 has buckle 71,
Jack knife is fixed by the fixed function of bayonet 71.
Obviously, above-described embodiment of the utility model is only intended to clearly illustrate the utility model example, and
It is not the restriction to the embodiment of the utility model.For those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments
It is exhaustive.All any modification, equivalent and improvement made within the spirit and principle of the present invention etc., should be included in
Within the protection domain of the utility model claims.
Claims (7)
1. a kind of jack knife, includes handle of a knife and cutter hub, the cutter hub is arranged by axis pin on handle of a knife, which is characterized in that described
Cutter hub back is equipped with fitting portion, and the fitting portion is chimeric to have flexible connector, described connector one end to be equipped with protrusion,
Protrusion can be slided when cutter hub is opened and closed along handle of a knife, and the handle of a knife and cutter hub are equipped with slot, and the protrusion can
It is chimeric with the slot being equipped on handle of a knife and cutter hub after cutter hub opening；The handle of a knife is equipped with groove body, and the groove body can be in cutter hub
It is chimeric with protrusion after closure.
2. a kind of jack knife according to claim 1, which is characterized in that the handle of a knife is equipped with the first handle of a knife and the second handle of a knife,
The cutter hub is arranged by axis pin between the first handle of a knife and the second handle of a knife, and protrusion is when cutter hub is opened and closed along the first knife
Handle and the sliding of the second handle of a knife.
3. a kind of jack knife according to claim 2, which is characterized in that the protrusion is equipped with catch, and the catch is in knife
It is slided along the first handle of a knife and the second handle of a knife when body acts.
4. a kind of jack knife according to claim 3, which is characterized in that first handle of a knife and/or the second handle of a knife are equipped with convex
Edge, the catch are slided when cutter hub is acted along convex edge.
5. a kind of jack knife according to claim 1, which is characterized in that the connector is equipped with groove, and the fitting portion is set
There are lock tongue, the lock tongue can be chimeric with groove when fitting portion is chimeric with connector.
6. according to a kind of jack knife of claim 2 to 4 any one of them, which is characterized in that the handle of a knife of first handle of a knife/second is set
There is a pendant, the pendant is equipped with fixing piece connect with the handle of a knife of the first handle of a knife/second, and the fixing piece, which is fitted into, buckle.
7. a kind of jack knife according to any one of claims 1 to 5, which is characterized in that the connector is set as carrying on the back with cutter hub
The curved rod that portion's arc matches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721193628.3U CN207789014U (en) | 2017-09-18 | 2017-09-18 | A kind of jack knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721193628.3U CN207789014U (en) | 2017-09-18 | 2017-09-18 | A kind of jack knife |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207789014U true CN207789014U (en) | 2018-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721193628.3U Active CN207789014U (en) | 2017-09-18 | 2017-09-18 | A kind of jack knife |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207789014U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107671897A (en) * | 2017-09-18 | 2018-02-09 | 冯小江 | A kind of jack knife |
-
2017
- 2017-09-18 CN CN201721193628.3U patent/CN207789014U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107671897A (en) * | 2017-09-18 | 2018-02-09 | 冯小江 | A kind of jack knife |
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