CN217144011U - Folding cutter with multiple automatic unlocking prevention mechanisms - Google Patents

Abstract

The utility model relates to a folding cutter technical field, specific folding cutter with multiple automatic release mechanism that prevents that says so, including blade, locking shaft, lower handle of a knife, go up the handle of a knife, end the tool post, lower handle of a knife and last handle of a knife are assembled by the screw and are formed handle of a knife mechanism, the blade main shaft hole has been seted up to the one end of blade, the blade passes through the main shaft, blade main shaft hole and the assembly of handle of a knife main shaft hole form the cutter main part on handle of a knife mechanism, end the tool post through the installation of handle of a knife end tool post hole and the front end of handle of a knife mechanism, locking shaft owner locking shaft has been seted up to the one end of locking shaft, the other end has been seted up locking shaft and has been assisted the locking shaft, the locking shaft cooperates through locking shaft owner locking shaft and the handle of a knife locking hole on the handle of a knife mechanism, cooperate through the auxiliary locking shaft and the fender position hole on handle of a knife mechanism, assemble on handle of a knife mechanism; the utility model discloses well blade can prevent the mistake automatically after opening and closing, unless stir the locking axle, otherwise the blade is difficult to be opened to improve the security of folding cutter.

Description

Folding cutter with multiple automatic unlocking mechanism that prevents

Technical Field

The utility model relates to a folding cutter technical field, specific folding cutter with multiple automatic release mechanism that prevents that says so.

Background

In the field of design of folding tools, the locking strength of the tools is of great importance, if the folding tools are unlocked in the use process, fingers of users can be cut, the traditional unlocking prevention mode is that auxiliary locking mechanisms such as a poking push button, a knob and a sliding block are usually used for preventing locking mechanisms such as a lining, a locking hook and a locking shaft from unlocking after the tools are unfolded, but the mode usually needs two operations to ensure the locking of the tools, and the operation process is troublesome. The cutter of shaft lock on the market at present prevents that unblock performance is better, but blade and locking axle in case because of vibrations produce the clearance, under the condition that does not have outside to prevent release mechanism, the cutter very easily unlocks.

An effective solution to the problems in the related art has not been proposed yet.

Therefore in order to solve the above problems, the utility model provides a folding cutter with multiple automatic release mechanism that prevents.

SUMMERY OF THE UTILITY MODEL

Problem to among the prior art, the utility model provides a folding cutter with multiple automatic release mechanism that prevents has solved the cutter blade and the locking axle of shaft lock on the market at present in case because of vibrations produce the clearance, under the outside condition that prevents release mechanism that does not have, the problem of cutter very easily unblock.

The utility model provides a technical scheme that its technical problem adopted is: a folding cutter with multiple automatic unlocking prevention mechanisms comprises a blade, a locking shaft, a lower cutter handle, a main shaft, a screw, a spring, an upper cutter handle, a cutter stopping column and a push-type cutter rod, wherein the lower cutter handle and the upper cutter handle are assembled by the screw to form a cutter handle mechanism, a cutter handle main shaft hole, a cutter handle stopping column hole, a cutter handle locking hole and a cutter handle blocking hole are sequentially formed in the front end of the cutter handle mechanism, one end of the blade is provided with the blade main shaft hole, the blade is assembled on the cutter handle mechanism through the main shaft, the blade main shaft hole and the cutter handle main shaft hole to form a cutter body, the cutter stopping column is installed at the front end of the cutter handle mechanism through the cutter handle stopping column hole, one end of the locking shaft is provided with the locking shaft main locking shaft, the other end of the locking shaft is provided with the auxiliary locking shaft, the locking shaft is matched with the cutter handle locking hole in the cutter handle mechanism through the locking shaft main locking shaft, the auxiliary locking shaft of the locking shaft is matched with a knife handle blocking hole on the knife handle mechanism and assembled on the knife handle mechanism.

Further, handle of a knife spring mating holes has been seted up to handle of a knife mechanism, the main locking axle coupling hook of spring has been seted up to the one end of spring, and the spring handle of a knife connecting pin has been seted up to the other end, the spring pass through the main locking axle coupling hook of spring and the epaxial locking axle cooperation of locking, through the spring handle of a knife connecting pin with handle of a knife spring mating holes cooperation in the handle of a knife mechanism assembles on handle of a knife mechanism.

Furthermore, a handle unlocking prevention position and a handle unlocking position are arranged on the handle mechanism, the locking shaft on the locking shaft is in sliding connection with the handle blocking hole in an auxiliary mode, and the handle unlocking prevention position and the handle unlocking position are in mutual embedded connection through sliding and the handle on the handle mechanism.

Furthermore, a knife handle anti-unlocking groove is formed in the knife handle mechanism, and the locking shaft main locking shaft on the locking shaft is connected with the knife handle locking hole in a sliding mode and connected with the knife handle anti-unlocking groove in the knife handle mechanism in an embedded mode through sliding.

Furthermore, a plurality of blade opening locking surfaces are formed on the blade.

Furthermore, a plurality of blade unlocking-preventing grooves are formed in the blades.

Further, a blade stopping post groove and a blade pushing rod connecting hole are formed in the blade, a pushing rod stopping post and a pushing rod connecting hole are formed in the pushing rod, the pushing rod is connected with a screw and the blade pushing rod connecting hole through the pushing rod connecting hole and assembled on the blade, and a handle stopping post groove is formed in the handle mechanism.

Furthermore, the push rod can rotate around the connecting hole of the push rod of the blade, and a knife stopping column of the push rod can be embedded with a knife stopping column groove of the blade.

The utility model has the advantages that:

1. the utility model discloses in, the blade need not other operations after opening and closing, just can prevent the mistake automatically and open, unless stir the locking axle, otherwise the blade is difficult to be opened to improve the security of folding cutter.

2. The utility model discloses in, the blade supports the one-hand and opens and shuts, and the user of being convenient for uses.

3. The utility model discloses in, the blade supports single multi-angle locking to improve the availability factor of cutter.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is an exploded view of the overall structure of the present invention;

FIG. 2 is a schematic view of the overall structure of the present invention;

FIG. 3 is a schematic view of the blade structure of the present invention;

FIG. 4 is a schematic view of the structure of the upper knife handle of the present invention;

fig. 5 is a schematic structural view of the locking shaft of the present invention;

fig. 6 is a schematic view of the spring structure of the present invention;

fig. 7 is a schematic view of a push rod of the present invention;

fig. 8 is a first view illustrating a normal state of blade locking according to the present invention;

FIG. 9 is a second view illustrating a normal state of blade locking according to the present invention;

fig. 10 is a third schematic view of the blade locking normal state of the present invention;

fig. 11 is a schematic view of a blade unlocking state of the present invention;

fig. 12 is a schematic view of a blade unlocking state of the present invention;

fig. 13 is a schematic diagram of a blade unlocking state of the present invention;

fig. 14 is a first schematic view illustrating a closed state of the blade according to the present invention;

fig. 15 is a schematic view of the closed state of the blade of the present invention;

fig. 16 is a first unlocking prevention state diagram of the present invention;

fig. 17 is a schematic view of a first unlocking prevention state of the present invention;

fig. 18 is a first schematic view of a second unlocking prevention state of the present invention;

fig. 19 is a second schematic diagram of the unlocking prevention state of the present invention;

fig. 20 is a first schematic view of a third prevention unlocking state of the present invention;

fig. 21 is a second schematic view of the third prevention unlocking state of the present invention;

fig. 22 is a first schematic view of a wear state of the blade lock according to the present invention;

FIG. 23 is a schematic view of a second blade lock wear state of the present invention;

fig. 24 is a third schematic view of a blade lock wear state of the present invention;

FIG. 25 is a schematic view showing a multi-angle closed state of the blade according to the present invention;

FIG. 26 is a schematic view of a multi-angle closed state of the blade of the present invention;

FIG. 27 is a schematic view showing a multi-angle closed state of the blade of the present invention;

FIG. 28 is a fourth schematic view of the multi-angle closed state of the blade of the present invention;

in the figure: 1. a blade; 2. a locking shaft; 3. a lower knife handle; 4. a main shaft; 5. a screw; 6. a spring; 7. an upper knife handle; 8. a tool stopping post; 9. a blade tool stopping column groove; 10. a blade opening locking surface; 11. a blade anti-unlocking slot; 12. a blade spindle hole; 13. the blade closes the locking groove; 14. a knife handle dead knife column groove; 15. a main shaft hole of the tool holder; 16. a tool stopping post hole of the tool handle; 17. a handle locking hole; 18. the handle is prevented from unlocking the groove; 19. a cutter handle blocking hole; 20. the compensation position is locked at the limit of the cutter handle; 21. the handle of the knife prevents unlocking; 22. unlocking the knife handle; 23. a knife handle spring matching hole; 24. the locking shaft is a main locking shaft; 25. a locking shaft assists the locking shaft; 26. the spring main locking shaft is connected with the hook; 27. a spring knife handle connecting pin; 28. pushing the cutter rod; 29. The blade push rod is connected with the hole; 30. pushing the tool bar stopping post; 31. the push-type broach rod is connected with the hole.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-28, the folding tool with multiple automatic unlocking prevention mechanisms of the present invention comprises a blade 1, a locking shaft 2, a lower tool holder 3, a main shaft 4, a screw 5, a spring 6, an upper tool holder 7, and a tool stopping post 8; the lower knife handle 3 and the upper knife handle 7 are assembled by the screw 5 to form a knife handle mechanism, a knife handle spindle hole 15, a knife handle dead post hole 16, a knife handle locking hole 17, a knife handle blocking hole 19 and a knife handle spring matching hole 23 are sequentially formed in the front end of the knife handle mechanism, a blade spindle hole 12 is formed in one end of the blade 1, the blade 1 is assembled on the knife handle mechanism through a spindle 4, the blade spindle hole 12 and the knife handle spindle hole 15 to form a knife body, the knife stop post 8 is installed at the front end of the knife handle mechanism through the knife handle dead post hole 16, a locking shaft main locking shaft 24 is formed in one end of the locking shaft 2, a locking shaft auxiliary locking shaft 25 is formed in the other end of the locking shaft, the locking shaft is matched with the knife handle locking hole 17 in the knife handle mechanism through the locking shaft main locking shaft 24, and is matched with the knife handle blocking hole 19 in the knife handle mechanism through the locking shaft auxiliary locking shaft 25, the assembly is in handle of a knife mechanism, spring main locking axle coupling hook 26 has been seted up to the one end of spring 6, and spring handle of a knife connecting pin 27 has been seted up to the other end, spring 6 through spring main locking axle coupling hook 26 with the locking shaft on the locking shaft 2 assist locking axle 25 cooperation, through spring handle of a knife connecting pin 27 with handle of a knife spring cooperation hole 23 cooperation on the handle of a knife mechanism, assemble on handle of a knife mechanism, push away the cutter arbor 28 and pass push away cutter arbor connecting hole 31 on the cutter arbor 28 and push away the cutter arbor connecting hole with the blade on the blade 1 through screw 5 and fix on blade 1.

The utility model discloses a theory of operation of folding cutter with multiple automatic release mechanism that prevents is: the spring 6 constantly exerts a force on the locking shaft secondary locking shaft 25 towards the handle limit locking compensation position 20, thereby forcing the locking shaft primary locking shaft 24 on the locking shaft 2 against the blade opening locking surface 10 on the blade 1, thereby restricting the rotation of the blade 1. Ensuring that the blade 1 is locked in the open state. When a user needs to close the blade 1, only the handle mechanism needs to be held, the auxiliary locking shaft 25 of the locking shaft on the locking shaft 2 is pushed by a thumb and pushed to the unlocking position 22 of the handle, so that the main locking shaft 24 of the locking shaft can be completely separated from the blade opening locking surface 10 on the blade 1, the blade 1 can rotate around the main shaft hole 15 of the handle without interference, the cutter can be freely closed, when the blade 1 is completely closed, the auxiliary locking shaft 25 of the locking shaft is released by the user, under the pushing of the spring 6, the main locking shaft 24 of the locking shaft on the locking shaft 2 can prop against the blade closing locking groove 13 on the blade 1, and therefore the blade 1 is ensured not to be mistakenly opened due to external force.

When the blade 1 is impacted by external force in the open state, the locking shaft main locking shaft 24 on the locking shaft 2 and the blade opening locking surface 10 on the blade 1 are loosened, and the blade 1 rotates to start unlocking, the blade unlocking preventing groove 11 at the tail part of the blade 1 hooks the locking shaft main locking shaft 24 on the locking shaft 2 because the blade 1 rotates, so that the rotation of the blade 1 is limited.

When the blade 1 is impacted by external force greatly, the blade unlocking preventing groove 11 at the tail part of the blade 1 is loosened from the locking shaft main locking shaft 24 on the locking shaft 2, so that the locking shaft 2 is continuously pushed to the unlocking position, the locking shaft main locking shaft 24 on the locking shaft 2 is embedded with the handle unlocking preventing groove 18 on the handle mechanism, and the locking shaft 2 is limited to move continuously towards unlocking displacement.

When the blade 1 is impacted by external force to be large, the locking shaft main locking shaft 24 on the locking shaft 2 is caused to be loosened from the handle anti-unlocking groove 18 on the handle mechanism, the force applied to the locking shaft auxiliary locking shaft 25 by the spring 2 can guide the locking shaft auxiliary locking shaft 25 on the locking shaft 2 to move towards the handle anti-unlocking groove 18 on the handle mechanism, and finally the locking shaft auxiliary locking shaft 25 on the locking shaft 2 is embedded with the handle anti-unlocking groove 18 on the handle mechanism, so that the displacement of the locking shaft 2 is limited, the locking shaft main locking shaft 24 on the locking shaft 2 can not be completely separated from the locking position on the blade 1, the complete unlocking of the blade is ensured, and the stability and the safety of the blade are improved.

Possess a plurality of blades on blade 1 and open locking surface 10, when locking shaft 2 and the blade 1 go up different blades and open locking surface 10 cooperation, the screw 5 on the blade 1 is unscrewed to blade 1 accessible, thereby make push rod 28 rotate around blade push rod connecting hole 29, simultaneously because push rod connecting hole 31 on the push rod 28 is oblong, so make push rod on the push rod 28 end sword post 30 can with blade 1 on the blade end sword post groove 9 and handle of a knife on the handle of a knife end sword post groove 14 gomphosis each other, the rotation angle of restriction blade 1, thereby realize the multi-angle of cutter and open and shut.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the description in the above embodiments and the specification is only for illustrating the principles of the present invention, and that there may be various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (8)

1. The folding cutter with multiple automatic unlocking prevention mechanisms is characterized by comprising a blade (1), a locking shaft (2), a lower cutter handle (3), a main shaft (4), a screw (5), a spring (6), an upper cutter handle (7), a cutter stopping column (8) and a push-type cutter rod (28), wherein the lower cutter handle (3) and the upper cutter handle (7) are assembled by the screw (5) to form a cutter handle mechanism, a cutter handle main shaft hole (15), a cutter handle cutter stopping column hole (16), a cutter handle locking hole (17) and a cutter handle blocking hole (19) are sequentially formed in the front end of the cutter handle mechanism, a blade main shaft hole (12) is formed in one end of the blade (1), the blade (1) is assembled on the cutter handle mechanism through the main shaft (4), the blade main shaft hole (12) and the cutter handle hole (15) to form a cutter body, and the cutter stopping column (8) is installed at the front end of the cutter handle mechanism through the cutter stopping column hole (16), the locking mechanism is characterized in that one end of the locking shaft (2) is provided with a main locking shaft (24) of the locking shaft, the other end of the locking shaft is provided with an auxiliary locking shaft (25) of the locking shaft, the locking shaft (2) is matched with a knife handle locking hole (17) in the knife handle mechanism through the main locking shaft (24) of the locking shaft, and the auxiliary locking shaft (25) of the locking shaft is matched with a knife handle blocking hole (19) in the knife handle mechanism and assembled on the knife handle mechanism.

2. The folding cutter with multiple automatic unlocking prevention mechanisms is characterized in that the cutter handle mechanism is provided with a cutter handle spring matching hole (23), one end of the spring (6) is provided with a main spring locking shaft connecting hook (26), the other end of the spring (6) is provided with a spring cutter handle connecting pin (27), the spring (6) is matched with a locking shaft auxiliary locking shaft (25) on the locking shaft (2) through the main spring locking shaft connecting hook (26), and is matched with the cutter handle spring matching hole (23) on the cutter handle mechanism through the spring cutter handle connecting pin (27) to be assembled on the cutter handle mechanism.

3. The folding cutter with multiple automatic unlocking prevention mechanisms according to claim 1, wherein the cutter handle mechanism is provided with a cutter handle unlocking prevention position (21) and a cutter handle unlocking position (22), the locking shaft (2) is provided with a locking shaft auxiliary locking shaft (25) which is slidably connected with the inside of the cutter handle blocking hole (19) and can be slidably connected with the cutter handle unlocking prevention position (21) and the cutter handle unlocking position (22) in the cutter handle mechanism in an embedded manner.

4. The folding cutter with multiple automatic unlocking prevention mechanisms according to claim 1, wherein the cutter handle mechanism is provided with a cutter handle unlocking prevention groove (18), and the locking shaft main locking shaft (24) on the locking shaft (2) is slidably connected with the inside of the cutter handle locking hole (17) and can be in mutual embedded connection with the cutter handle unlocking prevention groove (18) on the cutter handle mechanism through sliding.

5. The folding knife with multiple automatic unlocking prevention mechanisms according to claim 1, wherein the blade (1) is provided with multiple blade opening locking surfaces (10).

6. The folding knife with multiple automatic unlocking prevention mechanisms according to claim 1, wherein the blade (1) is provided with multiple blade unlocking prevention grooves (11).

7. The folding cutter with multiple automatic unlocking prevention mechanisms according to claim 1, wherein the blade (1) is provided with a blade stopping post groove (9) and a blade pushing rod connecting hole (29), the pushing rod (28) is provided with a pushing rod stopping post (30) and a pushing rod connecting hole (31), the pushing rod (28) is connected with the screw (5) and the blade pushing rod connecting hole (29) through the pushing rod connecting hole (31) and assembled on the blade (1), and the handle mechanism is provided with a handle stopping post groove (14).

8. The folding knife with multiple automatic unlocking prevention mechanisms according to claim 7, wherein the pusher bar (28) is rotatable around a blade pusher bar connecting hole (29), and the pusher bar (28) is capable of being fitted into the blade stop bar groove (9) of the blade (1) through a pusher bar stop bar (30).

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