Folding knife with blade capable of being quickly replaced by pressing lock catch

Abstract

The utility model discloses a folding knife capable of quickly changing a blade by pressing a lock catch, which comprises a blade mounting seat, a blade mounting seat clamping block is mounted on the blade mounting seat through a screw, a blade is clamped by the blade mounting seat clamping block, a clamping groove is arranged at the back of the blade, the blade mounting seat is provided with a clamping block corresponding to the clamping groove, and the clamping block is connected with the blade mounting seat through a screw. A blade is mounted on the blade mounting seat, a locking groove is formed in the back of the blade, a corresponding lock catch corresponding to the locking groove is mounted on the blade mounting seat, the lock catch is slidably connected with a clamping block of the blade mounting seat, and a spring abutting against the lock catch is mounted on the blade mounting seat. The cutter is simple in structure, when the cutter is used, the blade is clamped by the clamping block and the lock catch and cannot be disengaged, when the blade needs to be replaced, the lock catch is pressed, the lock catch leaves the lock groove, the blade can be disengaged and replaced, after the blade is replaced, the lock catch is released, the blade is positioned again through the lock catch under the reset action of the spring, the blade is prevented from being disengaged, and time and labor are saved during blade replacement. And the user experience is good.

Description

Technical Field

[0001] The utility model relates to the technical field of knives, in particular to a folding knife with a push-lock fast-change blade. Background Art

[0002] A folding knife is a type of knife. It is widely used in people's lives because of its deformable and convenient storage and carrying features. When not in use, the folding knife can be folded and stored, and the blade is hidden in the handle, which is safe to use and will not cause cuts. The blade of a traditional folding knife is generally fixed to the blade mounting seat of the handle and is generally not replaceable. There are some folding knives with replaceable blades, but the screws need to be removed before the blade can be replaced. Replacing the blade is time-consuming and laborious, and the user experience is not good. Therefore, in order to avoid the shortcomings of the prior art, it is necessary to improve the prior art. Utility Model Content

[0003] The utility model aims to overcome the shortcomings and deficiencies in the prior art and provide a folding knife with a push-lock fast-change blade that is simple in structure and easy to use.

[0004] The utility model is realized by the following technical solutions:

[0005] A push-lock fast-change blade folding knife comprises a blade mounting seat, a blade mounting seat clamping block is installed on the blade mounting seat by screws, the blade mounting seat clamping block clamps a blade, a slot is provided on the back of the blade, the blade mounting seat is provided with a clamping block corresponding to the slot, a locking slot is provided on the back of the blade, a corresponding lock corresponding to the locking slot is installed on the blade mounting seat, the lock is slidably connected to the blade mounting seat clamping block, and the blade mounting seat is provided with a spring to resist the lock.

[0006] Furthermore, the blade mounting seat is provided with a blade mounting groove for positioning and mounting the blade.

[0007] Furthermore, the blade mounting seat is provided with a positioning mounting hole for positioning and mounting the spring.

[0008] Furthermore, the blade mounting seat is provided with a clamping block mounting groove for mounting the blade mounting seat clamping block.

[0009] Furthermore, a mounting cavity for mounting the spring is provided at the bottom of the lock buckle.

[0010] Furthermore, an anti-slip flange is provided on the top of the lock buckle, and the blade mounting seat clamping block is provided with a groove corresponding to the anti-slip flange.

[0011] Furthermore, the blade mounting seat clamping block is provided with a hollow sleeve column for mounting the lock buckle.

[0012] Furthermore, the blade mounting seat and the blade mounting seat clamping block are both provided with corresponding screw mounting holes.

[0013] Furthermore, a supporting column corresponding to the locking groove is provided at the lower part of the lock buckle, and the supporting column gradually becomes larger from bottom to top.

[0014] Furthermore, the blade mounting seat is provided with a hinge hole, and the blade mounting seat is provided with a positioning hole.

[0015] Compared with the prior art, the utility model provides a card slot on the back of the blade, a card block corresponding to the card slot on the blade mounting seat, a locking slot on the back of the blade, a locking buckle corresponding to the locking slot on the blade mounting seat, and a spring against the locking buckle on the blade mounting seat, so that the structure of the folding knife is simple and easy to use. When in use, the blade is clamped by the card block and the locking buckle and will not fall out. When the blade needs to be replaced, the locking buckle is pressed, the locking buckle leaves the locking slot, and the blade can be removed and replaced. After replacing the blade, the locking buckle is released, and the locking buckle re-positions the blade under the resetting action of the spring to prevent the blade from falling out. The blade can be replaced without removing the screws, which saves time and effort and provides a good user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a structural schematic diagram of the utility model of a folding knife with a push-lock fast-change blade;

[0018] Figure 2 This is a structural exploded view of the utility model's push-lock quick-change blade folding knife;

[0019] Figure 3 It is a structural schematic diagram of the lock buckle of the utility model.

[0020] In the figure: 1-blade mounting seat; 2-blade mounting seat clamping block; 3-blade; 4-slot; 5-block; 6-locking slot; 7-locking buckle; 8-spring; 9-blade mounting slot; 10-positioning mounting hole; 11-clamping block mounting slot; 12-mounting cavity; 13-anti-slip flange; 14-groove; 15-hollow sleeve column; 16-screw mounting hole; 17-rest column; 18-hinge hole; 19-positioning hole; 20-screw. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] like Figures 1 to 3 The utility model is a push-lock fast-change blade folding knife, comprising a blade mounting seat 1, a blade mounting seat clamping block 2 is installed on the blade mounting seat 1 through a screw 20, the blade mounting seat clamping block 2 clamps a blade 3, a clamping slot 4 is provided at the back of the blade 3, the blade mounting seat 1 is provided with a clamping block 5 corresponding to the clamping slot 4, a locking slot 6 is provided at the back of the blade 3, the blade mounting seat 1 is provided with a corresponding lock 7 corresponding to the locking slot 6, the lock 7 is slidably connected to the blade mounting seat clamping block 2, and the blade mounting seat 1 is provided with a spring 8 to resist the lock 7. A card slot 4 is provided at the back of the blade 3, and a card block 5 corresponding to the card slot 4 is provided at the blade mounting seat 1. A locking slot 6 is provided at the back of the blade 3. The blade mounting seat 1 is provided with a corresponding lock buckle 7 corresponding to the lock slot 6. The blade mounting seat 1 is provided with a spring 8 that resists the lock buckle 7, so that the folding knife has a simple structure and is easy to use. When in use, the blade 3 is clamped by the card block 5 and the lock buckle 7 and will not fall out. When the blade 3 needs to be replaced, the lock buckle 7 is pressed, and the lock buckle 7 leaves the lock slot 6, and the blade 3 can be removed and replaced. After replacing the blade 3, the lock buckle 7 is released. Under the resetting action of the spring 8, the lock buckle 7 re-positions the blade 3 to prevent the blade 3 from falling out. The blade 3 does not need to be replaced after removing the screws. Replacing the blade 3 saves time and effort, and the user experience is good.

[0023] The blade mounting seat 1 is provided with a blade mounting groove 9 for positioning and mounting the blade 3, so that the blade 3 can be mounted more stably and the use effect can be better.

[0024] The blade mounting seat 1 is provided with a positioning and mounting hole 10 for positioning and mounting the spring 8, which facilitates the positioning and mounting of the spring 8 and ensures stable resetting of the spring 8.

[0025] The blade mounting seat 1 is provided with a clamping block mounting groove 11 for mounting the blade mounting seat clamping block 2 , so as to facilitate the positioning and installation of the blade mounting seat clamping block 2 .

[0026] The bottom of the lock buckle 7 is provided with an installation cavity 12 for installing the spring 8, so that the connection between the lock buckle 7 and the spring 8 is stable and the lock buckle 7 can be reset stably.

[0027] An anti-dropping flange 13 is provided on the top of the lock buckle 7, and a groove 14 corresponding to the anti-dropping flange 13 is provided on the blade mounting seat clamping block 2 to prevent the lock buckle 7 from dropping out due to the elastic force of the spring.

[0028] The blade mounting seat clamping block 2 is provided with a hollow sleeve column 15 for mounting the lock buckle 7, so that the installation of the lock buckle 7 is more stable and the pressing operation is more stable.

[0029] The blade mounting seat 1 and the blade mounting seat clamping block 2 are both provided with corresponding screw mounting holes 16, so as to facilitate the blade mounting seat 1 and the blade mounting seat clamping block 2 to be fixedly connected by screws.

[0030] The lower part of the lock buckle 7 is provided with a supporting column 17 corresponding to the lock slot 6. The supporting column 17 gradually becomes larger from bottom to top, which is convenient for the lock buckle 7 to reset, fully abut the lock slot 6, and fully lock the blade 3.

[0031] The blade mounting seat 1 is provided with a hinge hole 18 and a positioning hole 19, which facilitates the installation, rotation and positioning of the blade mounting seat 1 after rotation.

[0032] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A folding knife with a push-lock and quick-change blade, characterized in that: The invention comprises a blade mounting seat, a blade mounting seat clamping block is installed on the blade mounting seat by screws, the blade mounting seat clamping block clamps a blade, a slot is provided on the back of the blade, the blade mounting seat is provided with a clamping block corresponding to the slot, a locking slot is provided on the back of the blade, the blade mounting seat is provided with a corresponding lock buckle corresponding to the locking slot, the lock buckle is slidably connected to the blade mounting seat clamping block, and the blade mounting seat is provided with a spring to resist the lock buckle.

2. The push-lock quick-change blade folding knife according to claim 1, characterized in that: The blade mounting seat is provided with a blade mounting groove for positioning and mounting the blade.

3. The push-lock quick-change blade folding knife according to claim 1, characterized in that: The blade mounting seat is provided with a positioning mounting hole for positioning and mounting the spring.

4. The push-lock quick-change blade folding knife according to claim 1, characterized in that: The blade mounting seat is provided with a clamping block mounting groove for mounting the clamping block of the blade mounting seat.

5. The push-lock quick-change blade folding knife according to claim 1, characterized in that: The bottom of the lock buckle is provided with an installation cavity for installing the spring.

6. The push-lock quick-change blade folding knife according to claim 1, characterized in that: The top of the lock buckle is provided with an anti-slip flange, and the blade mounting seat clamping block is provided with a groove corresponding to the anti-slip flange.

7. The push-lock quick-change blade folding knife according to claim 1, characterized in that: The blade mounting seat clamping block is provided with a hollow sleeve column for mounting the lock buckle.

8. The push-lock quick-change blade folding knife according to claim 1, characterized in that: The blade mounting seat and the blade mounting seat clamping block are both provided with corresponding screw mounting holes.

9. The push-lock quick-change blade folding knife according to claim 1, characterized in that: The lower part of the lock buckle is provided with a supporting column corresponding to the lock slot, and the supporting column gradually becomes larger from bottom to top.

10. The push-lock quick-change blade folding knife according to claim 1, characterized in that: The blade mounting seat is provided with a hinge hole, and the blade mounting seat is provided with a positioning hole.

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