CN217915424U - Family version safety knife - Google Patents

Abstract

The application relates to the field of hardware mould injection molding, in particular to a family version safety knife. Comprising a home version safety knife comprising: the trigger hole is arranged on the peripheral side of the tool handle cavity; trigger mechanism, movable setting is in on the inside wall of handle of a knife cavity, include: the tool comprises a push rod and a trigger toggle button capable of touching the push rod, wherein the pressing surface of the trigger toggle button is higher than the outer wall of the tool handle cavity through the trigger hole; one end of the push rod is provided with a touch end head. The utility model provides a family version safety knife has and prevents that the blade from exposing, improves the effect of security.

Description

Safety knife for household edition

Technical Field

The application relates to the field of hardware mould injection molding, in particular to a family version safety knife.

Background

The use of safety knife is very extensive, and current safety knife is when using, releases the blade from the sword chamber through promoting the key, needs the manual work to promote the key after finishing using, withdraws the sword chamber with the blade from the sword chamber outside, if the user forgets to withdraw the blade, will have potential danger, and the blade that has lost the protection of sword chamber can be injured when being touched by carelessness, and the best protection effect can not be accomplished to accomodating of sword chamber to the blade.

Therefore, based on the above problems, how to maximize the safety effect of the safety knife is a necessary research direction.

Disclosure of Invention

In order to improve the safety of the safety knife and enable the protection effect of the safety knife to reach the best, the application provides a family version safety knife.

A home version safety knife comprising:

the trigger hole is arranged on the peripheral side of the cutter handle cavity;

trigger mechanism, movable setting includes on the inside wall of handle of a knife cavity: the push rod and the trigger shifting knob can touch the push rod, wherein the pressing surface of the trigger shifting knob is higher than the outer wall of the cutter handle cavity through the trigger hole; one end of the push rod is provided with a touch end head;

the cutting member sets up on the handle of a knife cavity, includes: the cutter body and the protective housing realizing rotatable connection with the cutter body are provided with the blade, wherein the protective housing is contacted through the circumferential motion of the contact end, and the protective housing is retracted into the cutter handle cavity in a rotating mode and used for exposing the blade.

Through adopting above-mentioned technical scheme, press to trigger and dial the button and can expose the cutting member and use and cut, in removing the rotatory handle of a knife cavity of withdrawing of protective housing after pressing the action, make the safe effect maximize of safe sword, reach comprehensive fish tail protection under the condition that safe sword does not use.

Optionally, the tool shank cavity comprises:

the inner wall fixing part is arranged on the inner wall of the first cutter handle and used for fixing the trigger mechanism and the cutting part;

and the second knife handle is used for being clamped on the first knife handle to form a knife handle cavity, and the triggering mechanism and the cutting piece are fixed in the knife handle cavity in a sealing manner.

Through adopting above-mentioned technical scheme, give cutting member and trigger mechanism space, can seal fixedly to the two simultaneously.

Optionally, the inner wall fixing member includes:

the first sliding chute is provided with a streamline inner wall and is arranged at one side close to the cutting piece;

the second sliding groove is arranged on one side far away from the cutting part, the other end of the push rod is provided with a limiting end, the touch end is arranged in the first sliding groove in a sliding mode along the streamline inner wall, and the limiting end is arranged in the second sliding groove in a reciprocating motion mode.

Through adopting above-mentioned technical scheme, the setting of first spout and second spout is used for carrying on spacingly to the push rod, and the purpose is that the reciprocating motion through touching the end realizes receiving and releasing of protective housing.

Optionally, the cutting element further comprises: the protective shell is hinged to the fixed block through the cylindrical supporting piece, and the fixed block is hinged to the inner side of the knife handle.

Through adopting above-mentioned technical scheme, cylindrical supporting member is convenient for the activity of protective housing and fixed block, and articulated mode both had connected the fixed block on the protective housing, did not restrict its activity again, still had the guidance quality simultaneously.

Optionally, a limiting member for limiting the movement of the cutting member is disposed in the cavity of the tool shank near one end of the cutting member.

Through adopting above-mentioned technical scheme, play the reinforcing effect, the removal of restriction cutting member position makes the safety knife use more firmly.

Optionally, the push rod is made of a deformable material with support property.

By adopting the technical scheme, the push rod has supporting performance, can give the support of power when touching the dial knob butt with the push rod, through the produced deformation of push rod, withdraw the protective housing to the handle of a knife cavity.

Optionally, one end of the push rod, which is far away from the cutting member, is retracted in the cavity of the tool shank by using a retractable member.

Through adopting above-mentioned technical scheme, the elasticity that the shrink is bigger is given to the extensible member for protective housing, push rod and touching are dialled the knob and are stipulated the within range and have the biggest activity space.

Optionally, the outer wall of the protective housing is provided with a circular arc concave rail with a length near the position of the contact end, and the circular arc concave rail is used for receiving the sliding of the contact end in the length of the circular arc concave rail.

Through adopting above-mentioned technical scheme, convex concave rail is accepted and is touched the end and slide in convex concave rail length, can promote the protective housing motion simultaneously under the effect of touching the end power, and the guide of direction has been done to convex concave rail, and the shape is more laminated and is touched the end, is favorable to the use of safety knife.

Optionally, the radius of the circular arc-shaped concave track is larger than that of the touch end.

By adopting the technical scheme, the touch end is always kept in the arc-shaped concave rail, the push rod is prevented from derailing from the protective shell, the touch end gives force to the arc-shaped concave rail, and the protective shell is folded and unfolded.

Optionally, a knife hole is formed in the peripheral side of the knife handle cavity, and the cutting piece is exposed out of the knife hole.

By adopting the technical scheme, the cutting piece can be partially fixed, and the end of the cutting piece with the blade is kept exposed, so that the safety knife is favorably used.

In summary, the present application includes at least one of the following beneficial techniques:

1. the pressing triggering toggle can expose the cutting piece for cutting, the protective shell is rotated to withdraw the interior of the knife handle cavity after the pressing action is removed, the safety effect of the safety knife is maximized, and 100% scratch-proof protection is achieved under the condition that the safety knife is not used.

2. The cylindrical supporting piece is convenient for the movement of the protective shell and the fixed block, the fixed block is connected to the protective shell in a hinged mode without limiting the movement of the protective shell, and the cylindrical supporting piece has guidance.

3. The arc-shaped concave rail is used for bearing the touch end head to slide in the length of the arc-shaped concave rail, the protective shell can be pushed to move under the action of the force of the touch end head, the arc-shaped concave rail is used for guiding the direction, the shape of the arc-shaped concave rail is more fit with the touch end head, and the safety knife is favorably used.

Drawings

Fig. 1 is an assembly schematic diagram of a home version of the safety knife of the present application.

Fig. 2 is a schematic structural diagram of a first handle and a second handle of the home-edition safety knife of the present application.

Description of the reference numerals:

1. a shank cavity; 2. a trigger hole; 3. a trigger mechanism; 4. a push rod; 5. triggering a dial button; 6. touching the end; 7. cutting the piece; 8. a cutter body; 9. a protective shell; 10. a blade; 11. a first handle; 12. an inner wall fixing member; 13. a second handle; 14. a first chute; 15. a second chute; 16. a limiting end; 17. a stopper; 18. a fixed block; 19. a support member; 20. a retractable member; 21. circular arc concave rails; 22. and (7) cutting a hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments obtained by a user with ordinary skill in the art based on the embodiments of the present invention without creative efforts belong to the protection scope of the present invention.

In addition, the term "and/or" herein is only one kind of association relationship describing the association object, and means that there may be three kinds of relationships, for example, a and/or B, and may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship, unless otherwise specified.

The embodiments of the present invention will be described in further detail with reference to the drawings attached hereto.

In the present embodiment, as shown in fig. 1 and 2: the application provides a family version safety knife includes:

the tool holder comprises a tool holder cavity 1, wherein trigger holes 2 are formed in the peripheral side of the tool holder cavity 1;

trigger mechanism 3, movable setting includes on the inside wall of handle of a knife cavity 1: the tool comprises a push rod 4 and a trigger toggle 5 capable of touching the push rod 4, wherein the pressing surface of the trigger toggle 5 is higher than the outer wall of a tool shank cavity 1 through a trigger hole 2; one end of the push rod 4 is provided with a touch end head 6;

cutting member 7 sets up on handle of a knife cavity 1, includes: cutter body 8 and the protective housing 9 that realizes rotatable coupling with cutter body 8 are provided with blade 10 on the cutter body 8, and wherein, contact protective housing 9 through the circumferential motion that touches end 6, take back the rotation of protective housing 9 in handle of a knife cavity 1 for expose blade 10.

The knife handle cavity 1 can be formed by buckling two knife handles which are provided with cavities with openings and the openings are matched in size, so that a closed cavity is formed. Be provided with a plurality of holes on handle of a knife cavity 1's the lateral wall, one of them is for triggering hole 2, it is used for through trigger mechanism 3 to trigger hole 2, trigger mechanism 3 keeps away from the one end of cutting member 7 and sets up on handle of a knife cavity 1's inside wall through the mode of articulated or butt, trigger mechanism 3 can be through pressing to trigger dial knob 5 and push rod 4 butt, also can trigger to dial knob 5 and push rod 4 integration, the realization is through the motion of push rod 4, press and cutting member 7 articulated protective housing 9, thereby expose blade 10 in the protective housing 9. The pressing surface of the trigger toggle 5 is higher than the outer wall of the knife handle cavity 1, so that a user can quickly position and press the trigger toggle 5. The cutter body 8 and the protective shell 9 are connected in a hinged mode, preferably, the touch end 6 is circular, so that the protective shell 9 can better slide along the outer wall of the protective shell 9, one side of the protective shell 9 is pressed downwards along the circumferential motion through the touch end 6, and the other side, exposed out of the protective shell 9, of the protective shell and the cutter handle cavity 1 rotates back to the cutter handle cavity 1 to expose the blade 10.

In the present embodiment, as shown in fig. 1 and 2, the tool shank cavity 1 includes:

the inner wall of the first knife handle 11 is provided with an inner wall fixing piece 12 for fixing the trigger mechanism 3 and the cutting piece 7;

and the second knife handle 13 is used for being clamped on the first knife handle 11 to form a knife handle cavity 1 and hermetically fixing the trigger mechanism 3 and the cutting piece 7 in the knife handle cavity 1.

The inner wall fixing piece 12 is fixedly arranged on the inner wall of the first cutter handle 11, the triggering mechanism 3 and the cutting piece 7 are placed on the fixing piece and are sealed and fixed through clamping of the first cutter handle 11 and the second cutter handle 13, the first cutter handle 11 and the second cutter handle 13 are clamped to form a cutter handle cavity 1, part of structures of the triggering mechanism 3 and the cutting piece 7 are wrapped in the cutter handle cavity 1 through the cutter handle cavity 1, and the other part of structures are exposed to facilitate use of the safety knife.

In the present embodiment, as shown in fig. 1, the inner wall fixing member 12 includes:

a first chute 14 having a streamlined inner wall, provided at a side close to the cutting member 7;

the second sliding groove 15 is arranged on one side far away from the cutting piece 7, the other end of the push rod 4 is provided with a limiting end 16, the touch end 6 is arranged in the first sliding groove 14 in a sliding mode along the inner wall of the streamline, and the limiting end 16 is arranged in the second sliding groove 15 in a reciprocating mode.

The inner wall fixing piece 12 can be a sliding way, a guide line and the like, the sliding way is preferably selected in the application, the sliding way can achieve a limiting effect besides direction guiding compared with the sliding way and the guide line, the first sliding way 14 has a streamline inner wall, and when the touch end 6 slides along the streamline inner wall, the movement of the touch end 6 is facilitated, and the situation that the touch end is clamped is effectively prevented. Keep away from one side of cutting member 7 and be provided with second spout 15, spacing end 16 is placed in second spout 15, plays spacing and the effect of slip direction guide to spacing end 16 in the second spout 15, makes spacing end 16 reciprocating motion in second spout 15, through touching end 6 activity in first spout 14, spacing end 16 is in second spout 15 activity, and the cooperation triggers the push rod 4 activity of pressing drive push rod of dial knob 5, realizes the gyration of protective housing 9.

In this embodiment, as shown in fig. 1, the cutter 7 further includes: a fixed block 18 for supporting the blade 10, the protective shell 9 is hinged on the fixed block 18 through a cylindrical supporting piece 19, and the fixed block 18 is hinged on the inner side of the knife handle.

Wherein, blade 10 and fixed block 18 fixed connection, protective housing 9 wraps up blade 10 in protective housing 9, and protective housing 9 articulates on fixed block 18 through cylindrical supporting piece 19, and cylindrical supporting piece 19 can unilateral set up also can two side settings, and the two side settings of preferred cylindrical supporting piece 19 strengthen protection and fixed effect, prevent that one side fixed block 18 from damaging the back, lead to protective housing 9 to break away from fixed block 18 and make the safety knife lose the protection. The protective shell 9 is provided with a circular groove hole matched with the cylindrical supporting piece 19 to work, and the cylindrical supporting piece 19 is hinged to the inner side of the knife handle in a matching mode with the circular groove hole. In use of the safety knife, the protective case 9 is rotated along the circular support 19 through the circular slot, exposing the blade 10.

In the present embodiment, as shown in fig. 1, a limiting member 17 for limiting the movement of the cutting member 7 is disposed in the shank cavity 1 near one end of the cutting member 7.

The limiting member 17 may be integrally formed with the first tool shank 11 or the second tool shank 13, so that the limiting member 17 is more firm, and when the force is applied, the force can be dispersed to the first tool shank 11 and the second tool shank 13. The limiting piece 17 is used for limiting the movement of the cutting piece 7, the touch end 6 presses the protective shell 9 to generate force on the whole cutting piece 7, one end of the fixing block 18 in the cutting piece 7 is abutted to the limiting piece 17, and the limiting of the cutting piece 7 is achieved.

In the present embodiment, as shown in fig. 1, the push rod 4 is made of a deformable material having a supporting property.

Wherein, push rod 4 has the support nature, produces power when pressing protective housing 9 through the end 6 that touches of push rod 4, withdraws protective housing 9 in the handle of a knife cavity 1, push rod 4 is that deformable material can produce certain deformation when triggering dial knob 5 and press, can let touch end 6 and cutting member 7's laminating degree higher, makes simultaneously to touch end 6 and can follow first spout 14 and slide.

In this embodiment, as shown in fig. 1, the end of the push rod 4 away from the cutting member 7 is retracted in the handle cavity 1 by using the retractable member 20.

The retractable member 20 is made of a material having a certain elasticity and capable of deforming, for example, plastic, metal and the like, the shape of the retractable member can be a linear type, a curved type or an arc type, the preferable shape of the retractable member 20 is a wave shape, the preferable material is made of metal, compared with other materials in shapes, the wave shape has larger elasticity, the service life of the metal is longer, and the largest moving space of the push rod can be given in a certain range. During the movement of the push rod 4, the limit end 16 moves backwards, the telescopic piece 20 limits the movement position range, and the limit end 16 is supported by force, so that the push rod 4 generates certain deformation under the matching of the touch end 6 and the limit end 16, and the protective shell 9 is better contained in the knife handle cavity 1.

In this embodiment, as shown in fig. 1, a circular arc-shaped concave rail 21 having a length is disposed on the outer wall of the protective shell 9 near the contact end 6, and is used for receiving the contact end 6 to slide within the length of the circular arc-shaped concave rail 21.

Wherein, as mentioned earlier the touching end is circular, the setting of circular arc concave rail 21 more laminates the touching end, also can accept the touching end better, and protective housing 9 is articulated with fixed block 18, and fixed block 18 is circular, so the motion trail of protective housing 9 is circular, and the cooperation touches end 6 and moves on circular arc concave rail 21, and circular arc concave rail 21 has given the biggest slidable distance of touching end 6.

In this embodiment, as shown in fig. 1, the circular arc shaped groove rail 21 has a larger radius than the touching tip 6.

The touch end is driven to be pressed by the push rod 4, moves on the arc-shaped concave rail 21 to move towards the direction of the trigger toggle button 5, the protective shell 9 rotates into the knife handle cavity 1, and the movement track is arc-shaped. When the radius of the circular arc-shaped concave track 21 is larger than that of the touch terminal, a certain length of connected movement distance can exist between the touch terminal 6 and the protective shell 9.

In the present embodiment, as shown in fig. 1 and 2, a tool hole 22 is formed on the peripheral side of the tool shank cavity 1, and the cutting element 7 is exposed to the tool hole 22.

The knife hole 22 is used for placing and fixing the cutting element 7, and when the cutting element 7 is exposed out of the knife hole 22, the protective shell 9 can be directly pressed under the action of the push rod 4 and retracted into the knife handle cavity 1.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. A home version safety knife comprising:

the tool holder comprises a tool holder cavity (1), wherein trigger holes (2) are formed in the peripheral side of the tool holder cavity (1);

trigger mechanism (3), movable setting is in on the inside wall of handle of a knife cavity (1), include: the tool comprises a push rod (4) and a trigger toggle button (5) capable of touching the push rod (4), wherein the pressing surface of the trigger toggle button (5) is higher than the outer wall of a tool handle cavity (1) through the trigger hole (2); one end of the push rod (4) is provided with a touch end head (6);

cutting member (7), set up on handle of a knife cavity (1), include: cutter body (8) and with cutter body (8) realize swivelling joint's protective housing (9), be provided with blade (10) on cutter body (8), wherein, through the circumferential motion that touches end (6) touches and connects protective housing (9), will protective housing (9) rotation is withdrawed in handle of a knife cavity (1), is used for exposing blade (10).

2. A home edition safety knife according to claim 1, wherein the handle cavity (1) comprises:

the inner wall of the first knife handle (11) is provided with an inner wall fixing piece (12) for fixing the triggering mechanism (3) and the cutting piece (7);

and the second knife handle (13) is used for being clamped on the first knife handle (11) to form the knife handle cavity (1), and the trigger mechanism (3) and the cutting piece (7) are hermetically fixed in the knife handle cavity (1).

3. A home version safety knife according to claim 2, characterised in that the inner wall fixing member (12) comprises:

a first runner (14) having a streamlined inner wall, provided on a side close to the cutting member (7);

the second sliding groove (15) is arranged on one side far away from the cutting piece (7), the other end of the push rod (4) is provided with a limiting end (16), the touch end head (6) is arranged in the first sliding groove (14) in a sliding mode along the streamline inner wall, and the limiting end (16) is arranged in the second sliding groove (15) in a reciprocating motion mode.

4. A home version of a safety knife according to claim 1, characterized in that the cutting member (7) further comprises: the fixing block (18) is used for supporting the blade (10), the protective shell (9) is hinged to the fixing block (18) through a cylindrical supporting piece (19), and the fixing block (18) is hinged to the inner side of the knife handle.

5. A home edition safety knife according to claim 3, wherein a limiting member (17) for limiting the movement of the cutting member (7) is provided in the handle cavity (1) near one end of the cutting member (7).

6. A home edition safety knife according to claim 3, characterised in that the push rod (4) is made of a supportive and deformable material.

7. A home edition safety knife according to claim 3, wherein the end of the push rod (4) remote from the cutting member (7) is retracted within the handle cavity (1) by means of a retractable member (20).

8. The home edition safety knife according to claim 1, wherein a circular arc shaped concave rail (21) with a length is arranged on the outer wall of the protective shell (9) near the touching tip (6) for receiving the touching tip (6) to slide in the length of the circular arc shaped concave rail (21).

9. A home edition safety knife according to claim 8, wherein the arc shaped concave track (21) has a larger radius than the touching tip (6).

10. A home edition safety knife according to claim 1, wherein a knife hole (22) is provided on the peripheral side of the knife handle cavity (1), and the cutting member (7) is exposed to the knife hole (22).

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