CN2180422Y - Safety locking structure for folding knife - Google Patents

Abstract

The utility model relates to a folding knife locking structure with high operation safety, which is mainly pivoted with an edge knife on one end of a knife handle by a locking button. The bottom of the locking button is provided with a spring for providing up-and-down reciprocating elasticity for the locking button; a rib block and embedding groove which can correspondingly clamped are respectively formed on the lower end and the hole edge of a pivot hole on the edge knife. Under the normal state, the locking button is embedded and clamped on the edge knife by the rib block for forming a locking state. When the locking button is pressed downwards, the rib block is disengaged from the edge knife, the locking can be released, the edge knife is unsheathed or stored and folded in order to ensure use safety during operation.

Description

Safety locking structure for folding knife

The utility model relates to a kind of jackknife safety locking structure, it mainly is that be pivoted in the lock-button that combination handle of a knife one an end mat one has an elasticity recovery one can be for the angle of throat of folding, on this lock-button lower end and angle of throat upper pivot hole peritreme, be formed with rib piece and caulking groove respectively, provide certain lock function to angle of throat, and the safety can guarantee to operate the time.

Brief Description Of Drawings:

Fig. 1 is a three-dimensional exploded view of the present utility model.

Fig. 2 is a cutaway view of the present utility model.

Fig. 3 is an action schematic diagram of the present utility model.

Fig. 4 is the vertical view of the existing jackknife of signal.

Fig. 5 is the enforcement illustration of existing jackknife.

Fig. 6 is the stereogram of another existing jackknife.

Fig. 7 is the cutaway view of another existing jackknife.

Existing jackknife as shown in Figure 4, it mainly is to be pivoted with an angle of throat 31 at handle of a knife 30 1 ends, terminal and close on the articulated section and be formed with a draw-in groove 310 in the knife back of this angle of throat 31, form a sheath groove 32 in handle of a knife 30 belly positions again, can be folded in the handle of a knife 30 for angle of throat 31, be pivoted with a microscler briquetting 33 in handle of a knife 30 spine positions, be formed with hook portion 330 in briquetting 33 1 ends, can be when angle of throat 31 goes out sheath, hook is in the draw-in groove 310 of angle of throat 31 1 ends, make blocking of angle of throat 31 mat briquetting 33 1 end hook portions 330, form lock-out state for use, briquetting 33 is a press section 331 with respect to the end in addition of hook portion 330 again, through applying pressure to this press section 331, the hook portion 330 of holding has in addition been lifted up, to remove its locking to angle of throat 31,331 belows, press section are embedded with a shell fragment 34 again, these shell fragment 34 1 ends are to be embedded in the caulking groove 35 of handle of a knife 30 inwalls, it holds 331 belows, press section that then are positioned at briquetting 33 1 ends in addition, when press section 331 presses down, this shell fragment 34 will provide the one back stretch, make this press section 331 return back to original state.

As from the foregoing, existing jackknife is when angle of throat 31 goes out sheath, utilize the inlay card block of briquetting 33 1 end hook portions 330, make angle of throat 31 be maintained at out the sheath state, when desiring to unlock, then exert pressure and give briquetting 33 press section 331 of end in addition, make the hook portion 33 of opposite end discharge angle of throat 31, in order to do the sheath groove 32 that makes in its handle of a knife 30 that turns back.Though do not have on this structure lock function and showing shortcoming, but there is high risk in the operation, as shown in Figure 5, the above-mentioned jackknife press section 331 of removing the angle of throat lock-out state of relying is the spine position that is positioned at handle of a knife 30, to hold the state signal, its thumb touches on the press section 331 of handle of a knife 30 spines, other four fingers then are gripped on the belly position of handle of a knife 30, that is the outside of sheath groove 32, when thumb was pressed press section 331, other four referred to still be positioned at outside the sheath groove 32, this moment is as user's misoperation or any whipping angle of throat 31, when making it turn back sheath groove 32 rapidly, it is outer and do not reach other four fingers of drawing back then to be positioned at sheath groove 32, and the anxiety that suffers the sharp sword incised wound is promptly arranged.

For overcoming the shortcoming that above-mentioned jackknife lacks security, the jackknife that other plants lock mode appears again at present on the market, as shown in Figure 6, it mainly is to be pivoted with an angle of throat 50 at a handle of a knife 40 1 ends, be formed with the pearl groove 42 of establishing steel ball 41 in one in handle of a knife 40 near position, angle of throat 50 articulated section again, and for example shown in Figure 7, be embedded with a shell fragment 43 on handle of a knife 40 madial walls, shell fragment 43 1 ends slightly are a bending angle, and its end is corresponding to angle of throat 50 ends, when angle of throat 50 goes out sheath fully, this end Jiang Ding of shell fragment 43 is formed on blade 50 ends, make the top system of angle of throat 50 by shell fragment 43, be maintained at out the sheath state, these shell fragment 43 ends are also simultaneously corresponding to the steel ball on the pearl groove 42 41 again, when pressing steel ball 41, steel ball 41 will be pushed shell fragment 43 open, make its end break away from angle of throat 50, and angle of throat 50 must be turned back in handle of a knife 40.Above-mentioned jackknife is that lock controller is moved to handle of a knife 40 sides, when operation, thumb and other four refers to be gripped on respectively the two side ends of handle of a knife 40, do not worry angle of throat 50 incised wounds for turning back, yet shell fragment 43 is through pushing answer back and forth for a long time, the anxiety that produces elastic fatigue will be arranged, thereby will influence its handling safety.

Through as can be known above-mentioned, existing jackknife is upward incomplete because of the structure design, causes when operation to have high risk, and necessity of thorough improvement is arranged.

Main purpose of the present utility model is: a kind of jackknife latch-up structure with height handling safety is provided.

It mainly is to have the reciprocal flexible lock-button angle of throat that is pivoted at handle of a knife one end with one, be formed with the rib piece and the caulking groove that can engage relatively in the lock-button lower end respectively with pivot hole peritreme on the angle of throat again, lock-button will be embedded on the angle of throat with its rib piece under the normality, to form a lock-out state, when lock-button presses down, make its rib piece break away from angle of throat, can unlock, make blade go out sheath or folding, and safe in utilization when guaranteeing to operate.

The jackknife safety locking structure that the utility model provides, it is characterized in that: mainly form a handle of a knife relatively by forward and backward sheath lid, set up forward and backward clamping plate in the handle of a knife separately, be provided with an angle of throat between these forward and backward clamping plate, wherein protheca lid and forward and backward clamping plate one end are formed with perforation respectively, angle of throat one end then is formed with the pivot hole, and the perforation peritreme place on this pivot hole and the rear plate is formed with caulking groove respectively again, and this pivot hole and interior pivot of perforation with caulking groove is with a lock-button.

This lock-button front end is formed with the pivot post, and pass the perforation of front plate, protheca lid respectively, and expose outside the handle of a knife, be formed with the rib piece again in its rear end, suitable corresponding to the caulking groove on angle of throat and the rear plate, rear plate is provided with a catch outside perforation again, is provided with a spring between this catch and lock-button bottom, so that the back stretch of lock-button to be provided

Be used for providing when angle of throat goes out sheath or folding a locking action with said structure.

Aforesaid jackknife safety locking structure, it is characterized in that: the rearward position between these forward and backward clamping plate sets firmly a blend stop, is formed with a groove in the knife back rear end of angle of throat again, when it goes out sheath fully, resist correspondence on this groove the end of blend stop, goes out the sheath state to keep it.

Further specify architectural feature of the present utility model and purpose below in conjunction with accompanying drawing.

Relevant structure of the present utility model partly, see also Fig. 1-3, it mainly is by preceding, back sheath lid 11,12 form a handle of a knife 10 relatively, before being provided with in this handle of a knife 10, rear plate 13,14, before, rear plate 13,14 are arranged with a blend stop 15 and an angle of throat 16, wherein blend stop 15 is before being fixedly arranged on, rear plate 13,14 rearward position, 16 of this angle of throats are located at relative front position, angle of throat 16 knife back rear ends are formed with groove 162 again, when angle of throat 16 goes out sheath fully, the leading section of blend stop 15 will resist on the groove 162 of angle of throat 16, make it remain in out the sheath state; Sword 16 1 ends are formed with pivot hole 160 again, peritreme place, 160 two ends, pivot hole is formed with the caulking groove 161 that communicates respectively, then be coated with a lock-button 20 on this pivot hole 160 and the caulking groove 161, these lock-button 20 front ends form a pivot post 21, its rear end then is formed with rib piece 22 relatively, pivot post 21 and rib piece 22 then correspond respectively to pivot hole 160 and the caulking groove 161 thereof on the angle of throat 16, and lock-button 20 rear ends are formed with slotted eye 23 again, then are provided with spring 24 in the slotted eye 23;

In addition in preceding, rear plate 13,14 and protheca cover 11 front ends corresponding to 160 places, angle of throat 16 pivot holes be formed with respectively the perforation 130,140,110, wherein the peritreme two ends of perforation 140 also form caulking groove 141 on the rear plate 14, so lock-button 20 is after passing the pivot hole 160 of angle of throat 16, the pivot post 21 of its front end will pass the perforation 130 on front plate 13 and the protheca lid 11 in regular turn, 110, and protrude in outside the handle of a knife 10 (please cooperate and consult Fig. 2), lock-button 20 rear ends and rib piece 22 thereof are set in the perforation 140 and caulking groove 141 thereof on the rear plate 14, be provided with a catch 17 in rear plate 14 in perforation 140 outsides in addition, use the set spring 24 in block lock-button 20 rear ends, i.e. as shown in Figure 2 state after combination.

Locking of the present utility model and disarmed mode are in detail as described below, by the angle of throat 16 in the handle of a knife 10 no matter in going out fully under sheath or the withdrawal situation, its pivot hole 160 and caulking groove 161 thereof are that correspondence is set on lock-button 20 rear ends and the rib piece 22 thereof respectively, and angle of throat 16 is because of being subjected to rib piece 22 restrictions on the lock-button 20, and form a lock-out state (as shown in Figure 2), when angle of throat 16 is desired to be gone out sheath or gone out the inflection of sheath state certainly by folding state, then lock-button 20 is pressed down by pushing pivot post 21 outside the handle of a knife 10, when lock-button 20 presses down, thereafter end rib piece 22 also will break away from the caulking groove 161 of angle of throat 16 upper pivot holes 160, this moment pivot hole 160 and (as shown in Figure 3) on the pivot post 21 of pivot cover lock-button 20, so promptly being able to pivot post 21, angle of throat 16 pivots for the axle center, and it is gone out sheath or inflection, wait go out sheath or inflection fully after, caulking groove 161 on the angle of throat 16 pivot holes 160 again will be corresponding to the rib piece 22 of lock-button 20 rear ends, when pivot post 21 top pressure are removed, the back stretch that lock-button 20 provides by bottom spring 24 and rising, the rib piece 22 of its rear end will be set in again in the caulking groove 161 of angle of throat 16, and the recovery lock-out state goes out sheath or the state that turns back with what keep blade 16.

From the above, the utility model is that mat handle of a knife 10 sides are established a lock-button 20, with the locking of control angle of throat 16 whether, therefore, the user is when the operation inflection, thumb and other four can be referred to be gripped on respectively the both sides of handle of a knife 10, do not worry being hindered by the angle of throat 16 that turns back, and the design of this lock-button 20 not only can produce locking effect when angle of throat 16 goes out sheath, after its inflection, also provides identical locking action, can many one decks safety guarantee when using, this shows that the utility model not only provides an easy operation sequence, and significantly improve the security when operating, with practicality and progressive.

Claims (2)

1, a kind of jackknife safety locking structure, by preceding, back sheath lid is formed a handle of a knife relatively, before setting up separately in the handle of a knife, rear plate, before being somebody's turn to do, be provided with an angle of throat between rear plate, it is characterized in that: before the protheca lid reaches therein, rear plate one end is formed with perforation respectively, angle of throat one end then is formed with the pivot hole, perforation peritreme place on this pivot hole and rear plate is formed with caulking groove respectively again, this have caulking groove the pivot hole and the perforation in then pivot be with a lock-button, be formed with the pivot post in this lock-button front end, and pass front plate respectively, the perforation of protheca lid, and expose outside the handle of a knife, be formed with the rib piece again in its rear end, suitable corresponding to the caulking groove on angle of throat and the rear plate, outside the rear plate perforation, be provided with a catch again, be provided with a spring between this catch and lock-button bottom, so that the back stretch of lock-button to be provided.

2, latch-up structure according to claim 1, it is characterized in that being installed with a blend stop, be formed with a groove in the knife back rear end of angle of throat again, when it goes out sheath fully in the rearward position between these forward and backward clamping plate, resist correspondence on this groove the end of blend stop, goes out the sheath state to keep it.

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