Multifunctional spring knife

Abstract

The utility model belongs to the technical field of spring knives, and particularly relates to a multifunctional spring knife which comprises an upper shell and a lower shell and further comprises a knife head push-out assembly arranged between the upper shell and the lower shell, a long through hole is formed in the upper shell, four-gear clamping teeth are arranged on the portions, on the two sides of the bottom of the long through hole, of the upper shell, and the knife head push-out assembly is arranged on the lower shell. A limiting column is arranged in the tail end of the upper shell, a push handle is pushed to drive a blocking strip to move forwards on a four-gear clamping tooth, gear adjustment is conducted according to sound generated after clamping, the extending length of the tool bit is conveniently controlled, and through the counter-acting force of a tension spring, a self-locking button is pressed once, the tool bit automatically retreats backwards by one gear, and the self-locking button is pressed for a long time, so that the tool bit can be automatically clamped. The knife head is reset at a time, using is convenient, the knife head can be longitudinally or transversely installed on the knife head clamping column of the upper sliding base, the multifunctional knife can be used as an art knife and can also be used as a shovel, different functions of the multifunctional knife are achieved, and practicability of the multifunctional knife is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of spring knifes, and in particular relates to a multifunctional spring knife. Background Art

[0002] A switchblade is a type of knife, which refers to a knife whose blade can pop out automatically. Switchblades are divided into two types: retractable and non-retractable. In China, switchblades are controlled knives. They are prohibited from use and cannot be carried with you. The switchblades on the market are designed with only a push end. We have added the first push switch and the second push switch on the left and right sides of the push end design, so that the switchblade can be pushed out from any side of the push end, the first push switch, and the second push switch, making it more convenient to open the switchblade body, and even if one switch is damaged, it will not affect its use;

[0003] The existing spring knife has a simple structure. When using it, you need to control the force to push out the length of the blade. When retracting it, you need to press and exert force backward to return the blade. It is inconvenient to use, and the blade can only be installed vertically, which has low practicality. Utility Model Content

[0004] To solve the problems raised in the above background technology. The utility model provides a multifunctional spring knife, including an upper shell and a lower shell, and also includes a blade ejection assembly arranged between the upper shell and the lower shell, the upper shell is provided with a long through hole, the upper shell is provided with four-speed latch teeth on both sides of the bottom of the long through hole, and a limiting column is provided inside the tail end of the upper shell.

[0005] As a multifunctional spring knife of the utility model, preferably, a lower slide is arranged inside the lower shell, and the bottom of one end of the lower shell close to the knife head is arranged as an inclined surface structure.

[0006] As a multifunctional spring knife of the utility model, preferably, the blade ejection assembly includes an upper slide seat clamped on the lower slide track for sliding back and forth, a limiting hole is opened on the top of the upper slide seat, a slide column is arranged on the top of the upper slide seat, and a self-locking spring is sleeved on the slide column.

[0007] As a multifunctional spring knife of the utility model, preferably, a push handle is clamped inside the limiting hole, four anti-slip strip structures are arranged on the top of the push handle, a notch is opened on the top of the push handle, and a self-locking button that slides up and down is arranged at the notch.

[0008] As a multifunctional spring knife of the utility model, preferably, the bottom of the self-locking button is a hollow structure, and the self-locking button is inserted on the sliding column. The self-locking button slides up and down on the sliding column and is reset by a self-locking spring.

[0009] As a multifunctional spring knife of the utility model, preferably, a gear bar is fixed around the outer periphery of the lower end of the self-locking button, the gear bar matches the fourth gear latch tooth, and the fourth gear latch tooth limits the gear bar.

[0010] As a multifunctional spring knife of the utility model, preferably, a cutter head clamping column is fixed to the bottom of the right end of the upper slide seat, a cutter head is clamped on the cutter head clamping column, the cutter head can be installed on the cutter head clamping column of the upper slide seat longitudinally or transversely, and the upper slide seat is connected to the limit column by a tension spring.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] Push the push handle to drive the gear bar to move forward on the fourth-gear locking teeth. According to the sound emitted after the engagement, the gear position is adjusted to facilitate the control of the extended length of the cutter head. Through the reaction force of the tension spring, press the self-locking button once and the cutter head will automatically return one gear backward. Long press the self-locking button and the cutter head will be reset at one time. It is convenient to use. The cutter head can be installed vertically or horizontally on the cutter head clamping column of the upper slide seat. It can be used as a utility knife or a shovel to realize its different functions and improve its practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the upper shell structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the lower shell structure of the utility model;

[0017] Figure 4 This is a schematic diagram of the exploded structure of the cutter head ejection assembly of the utility model;

[0018] Figure 5 This is a bottom structural diagram of the cutter head ejection assembly of the utility model;

[0019] Figure 6 This is a bottom view of the lower shell structure of the utility model;

[0020] Figure 7 This is a schematic diagram of the structure of the cutter head of the utility model in a longitudinally installed state;

[0021] In the figure:

[0022] 1. Upper housing; 11. Long through hole; 12. Fourth gear latch; 13. Limiting column;

[0023] 2. Lower housing; 21. Lower slideway;

[0024] 3. Cutter head ejection assembly; 31. Upper slide seat; 32. Limiting hole; 33. Sliding column; 34. Self-locking spring; 35. Push handle; 36. Notch; 37. Self-locking button; 38. Stop bar; 39. Cutter head clamping column;

[0025] 4. Blade head;

[0026] 5. Tension spring. DETAILED DESCRIPTION

[0027] 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 in 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.

[0028] Example 1

[0029] like Figure 1 As shown;

[0030] A multifunctional spring knife comprises an upper shell 1 and a lower shell 2.

[0031] In this embodiment: In order to solve the technical problems existing in this prior art, as disclosed in the background technology above, "the currently existing spring knife has a simple structure, and when using it, you need to control the force yourself to push out the length of the blade, and when retracting it, you need to press and exert force backwards to return the blade, which is inconvenient to use, and the blade can only be installed longitudinally, and its practicality is low." In combination with actual use, this problem is obviously a real problem that is difficult to solve. In view of this, in order to solve this technical problem, a multifunctional spring knife is provided.

[0032] like Figure 1-7 As shown in the figure;

[0033] In combination with the above content, in order to achieve a better mixing effect and improve the dredging efficiency, it also includes a cutter head ejection assembly 3 arranged between the upper shell 1 and the lower shell 2, a long through hole 11 is opened on the upper shell 1, and four-speed locking teeth 12 are arranged on the upper shell 1 on both sides of the bottom of the long through hole 11, and a limiting column 13 is arranged inside the tail end of the upper shell 1.

[0034] In an optional embodiment, a lower slideway 21 is provided inside the lower shell 2, and the bottom of one end of the lower shell 2 close to the cutter head is provided with an inclined surface structure.

[0035] In this embodiment: the bottom of one end of the lower shell 2 close to the cutter head is set as an inclined surface structure, so that when in use, the cutter head fits the object more closely, thereby improving the use effect.

[0036] In an optional embodiment, the cutter head ejection assembly 3 includes an upper slide 31 that is clamped on the lower slide track 21 and slides back and forth. A limiting hole 32 is opened on the top of the upper slide 31. A slide column 33 is arranged on the top of the upper slide 31. A self-locking spring 34 is sleeved on the slide column 33.

[0037] In an optional embodiment, a push handle 35 is clamped inside the limiting hole 32, and four anti-slip strips are arranged on the top of the push handle 35. A notch 36 is opened on the top of the push handle 35, and a self-locking button 37 that slides up and down is arranged at the notch 36.

[0038] In an optional embodiment, the bottom of the self-locking button 37 is a hollow structure, and the self-locking button 37 is inserted into the sliding column 33 . The self-locking button 37 slides up and down on the sliding column 33 and is reset by the self-locking spring 34 .

[0039] In an optional embodiment, a stop bar 38 is fixed around the outer periphery of the lower end of the self-locking button 37 , the stop bar 38 matches the fourth gear latch tooth 12 , and the fourth gear latch tooth 12 limits the stop bar 38 .

[0040] In this embodiment, the gear bar 38 moves forward on the fourth gear latching tooth 12, and the gear position is adjusted according to the sound emitted after the latching, so as to conveniently control the extension length of the cutter head.

[0041] In an optional embodiment, a cutter head clamping column 39 is fixed to the bottom of the right end of the upper slide 31, and a cutter head 4 is clamped on the cutter head clamping column 39. The cutter head 4 can be installed longitudinally or transversely on the cutter head clamping column 39 of the upper slide 31, and the upper slide 31 is connected to the limit column 13 through a tension spring 5.

[0042] In this embodiment, by the reaction force of the tension spring 5, the cutter head 4 automatically returns one gear backward by pressing the self-locking button 37 once, and the cutter head 4 is reset once by long pressing the self-locking button 37, which is more convenient to use.

[0043] Working principle of this utility model:

[0044] Pushing the push handle 35 drives the gear bar 38 to move forward on the fourth gear locking tooth 12. The gear position is adjusted according to the sound emitted after the locking, which is convenient for controlling the extension length of the cutter head. Through the reaction force of the tension spring 5, the self-locking button 37 is pressed once, and the cutter head 4 automatically returns to one gear backward. By pressing and holding the self-locking button 37, the cutter head 4 is reset once, which is convenient to use. The cutter head 4 can be installed vertically or horizontally on the cutter head clamping column 39 of the upper slide seat 31. It can be used as a utility knife or a shovel to realize its different functions and improve its practicality.

[0045] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A multifunctional spring knife, comprising an upper housing (1) and a lower housing (2), characterized in that: The utility model also comprises a cutter head ejection assembly (3) arranged between the upper shell body (1) and the lower shell body (2), wherein the upper shell body (1) is provided with a long through hole (11), and the upper shell body (1) is provided with four-speed latching teeth (12) on both sides of the bottom of the long through hole (11), and a limiting column (13) is arranged inside the tail end of the upper shell body (1), and the cutter head ejection assembly (3) comprises an upper slide seat (31) which is clamped on the lower slide track (21) for sliding forward and backward, and a limiting hole (32) is arranged on the top of the upper slide seat (31), and a slide column (33) is arranged on the top of the upper slide seat (31), and a self-locking spring (34) is sleeved on the slide column (33), and a push handle (35) is clamped inside the limiting hole (32), and four anti-slip strip structures are arranged on the top of the push handle (35), and a notch (36) is arranged on the top of the push handle (35), and a self-locking button (37) which slides up and down is arranged at the notch (36).

2. A multifunctional spring knife according to claim 1, characterized in that: A lower slideway (21) is provided inside the lower shell (2), and the bottom of one end of the lower shell (2) close to the cutter head is provided with an inclined surface structure.

3. The multifunctional spring knife according to claim 1, characterized in that: The bottom of the self-locking button (37) is a hollow structure, and the self-locking button (37) is plugged into the sliding column (33). The self-locking button (37) slides up and down on the sliding column (33) and is reset by a self-locking spring (34).

4. The multifunctional spring knife according to claim 1, characterized in that: A gear bar (38) is fixed around the outer periphery of the lower end of the self-locking button (37), the gear bar (38) matches the fourth gear latch tooth (12), and the fourth gear latch tooth (12) limits the gear bar (38).

5. The multifunctional spring knife according to claim 1, characterized in that: A cutter head clamping column (39) is fixed at the bottom of the right end of the upper slide (31), and a cutter head (4) is clamped on the cutter head clamping column (39). The cutter head (4) can be installed on the cutter head clamping column (39) of the upper slide (31) longitudinally or transversely. The upper slide (31) is connected to the limit column (13) through a tension spring (5).

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