TWM514915U - Dual- blade knife structure - Google Patents

Description

Double knife tool structure

This creation is about a double-knife cutter structure. In detail, it is a telescopic cutter that integrates two types of blades into one. Through its switching device, it can switch the corresponding blade according to the operation requirements, thereby simplifying the application of the number of tools.

Press, the utility knife is a portable convenient tool commonly used for cutting work. Because it has a multi-section blade on the same blade, the user only needs to be blunt after the blade tip is used for a period of time. By removing the blunt edge of the blade, another sharp tip can be obtained for reuse. It is a utility knife that has replaced the cutting tool such as a conventional blade.

Please refer to the Patent No. I280184 of the Republic of China Patent No. 1,280, which is a conventional utility knife structure, which mainly comprises a casing having a front chamber and a long hole communicating with the front chamber to communicate with the outside and a knife edge. The front chamber communicates with the outside, a rear chamber and the front chamber, and an opening communicates with the rear chamber and the outside; a seat has a body disposed in the front chamber of the housing, and a cantilever extends from the body and is The long hole protrudes from the outside of the casing; a blade is received in the rear chamber of the casing by the opening, the blade has a chamber, and a sliding slot communicates with the outer chamber and the long groove The chamber communicates with the rear chamber of the housing, an outlet, the chamber and the front chamber of the housing, and a push block is slidably disposed in the chamber, the push block has a body, and a control button extends from the body And is disposed in the chute of the blade; and an elastic member is located in the rear chamber of the casing, One end of the elastic member is disposed on the casing, and the other end is extended into the chamber by the long groove of the blade.

The above-mentioned creation system is a blade-type shifting utility knife, which switches the blade into a state of use or storage by pushing the push block; however, the conventional push-type utility knife has only a single-size blade for cutting work. When it is necessary to work in different types of cutting operations, such as cutting paper, cutting leather goods or carving models, the blades used are different, and it is necessary to carry several types of utility knives at the same time, which is quite unfavorable for work.

In view of this, the creator has been engaged in the development of related industries for many years, and has in-depth discussions on the problems faced by existing utility knives, and actively seeks solutions. After long-term research and development, he has succeeded in creating a kind of success. The double-knife cutter structure is a telescopic cutter that integrates two types of inserts into one, and the switch can be used to switch the corresponding inserts according to the operation requirements, thereby simplifying the application of the number of tools.

This creation is about a double-knife cutter structure, which is a telescopic cutter that integrates two types of blades into one. Through its switching device, it can switch the corresponding blade according to the operation requirements, thereby simplifying the application of the number of tools.

In order to achieve the above-mentioned creative purpose, the double-knife cutter structure of the present invention comprises a knife shell, a knife seat, a push button, a positioning member and two switching buttons, the knife shell is composed of two outer frames symmetrically, the knife The top of the shell is open to form a slide rail for sliding the push button, and the front end of the shell is formed with a knife edge for extending the two blades, and a gap is formed on each side of the shell, and the knife seat is slidably disposed on the knife The inside of the casing, and the two sides of the seat are recessed inwardly with a slot for inserting the blade, the bracket is arranged in linkage with the push button, and one end of the positioning member has a pivoting above the seat a rotating rod, and the two sides of the rotating rod are open and unrestricted, and the other end of the positioning member The lower edge is formed with a card protrusion extending into the sipe and being displaced by the positioning member to the left and right, and the card is convexly attached to one of the blades. When the positioning member is in the state of receiving the knife, the two sides are corresponding to each other. Each of the two switching button sets is disposed on a notch, and the outer sides of the two switching buttons each have a pressing side extending from the notch, and the inner side faces respectively abut against the two sides of the positioning member, and the two switching buttons The inner side has a positioning rib which is engaged with the blade which is not supported by the card convex card; thus, through the push button, the blade which is engaged by the positioning member is pushed out by the knife edge to be applied to the cutting operation. If you want to replace it with another blade, you only need to reverse the push button to make the previous blade back into the knife case. At this time, the two sides of the positioning member correspond to the inner sides of the two switch buttons, and continue to press the side switch button. The horizontally-moving positioning member is configured to cause the card convex card to abut against the other blade, so that the control button pushes the switched blade out to the blade edge, and the other blade performs the cutting operation, and the previous blade is subjected to the switching button. Positioning ribs and fixing them to the knife Inside.

The bottom of the push button has a sleeve vertically disposed with the knife seat, and the knife seat is provided with a spring that is elastically pressed against the bottom of the push button, and the cutter shell is formed at each of the inner edges of the slide rails. a rib and a second rib, the first rib is closer to the knife edge than the second rib, and the push button is built in the two sides of the shell, and each of the ribs is formed with a first rib or a second The groove in which the rib is stuck.

The arbor is provided with a spring piece which is pressed down against the positioning member in a normal state, and a first ridge piece is formed on the locating member, and a bottom surface of the push button is formed with a second ridge piece corresponding to the first ridge piece, the first The rib length is longer than the second rib. When the push button is placed on the second rib, the first ridge and the second ridge are in an uninterfering manner, and when the push button is placed on the first rib, The first ridge piece and the second ridge piece are in a staggered manner, and a cross bar is further formed on the top of the positioning piece, and the knife case is provided with a sliding button on each side of the near knife edge, and the two sliding buttons are inside The side system has a push to form Move the crossbar up to the oblique guide.

The knife seat is formed with a through hole for guiding the two sides of the knife slot, the knife seat is pivotally provided with a baffle on the through hole, and the two sides of the baffle are respectively controlled by a switching button to switch the end face convex Extending in one of the sipe types, the arranging seat is formed with a hole for conducting the opening, the spring is assembled to the setting hole, and the arbor is attached to the bottom of the hole to be spring-loaded. The steel ball has a conical seat formed on the upper edge of the baffle opposite the steel ball.

The double-knife cutter structure includes a shank, and one end of the shank is pivoted on both sides of the tail end of the shank, and one side of the shank is formed with an inner groove for folding and accommodating the shank. Each of the movements of the shell is provided with an elastic sliding member, and the shell is formed with a first slot and a second slot for the elastic sliding member to be inserted into the outer diameter of the pivotal shaft at both sides. When the sliding fastener is embedded in the first card slot, the shank and the shank are in an unfolded state, and when the elastic sliding component is embedded in the second slot, the shank and the shank are in a folded configuration.

It can be seen from the above-mentioned creations that the "double-knife cutter structure" of the present invention has a separate sipe on both sides of the arbor, and it is possible to install blades of different specifications, and switch between the two sides of the knives to determine the operation demand. Corresponding to the blade, the application of the streamlined tool to carry the quantity; therefore, the novel can be said to be a quite practical and progressive creation, which is quite worthy of promotion by the industry and publicized to the public.

1‧‧‧Knife shell

11‧‧‧Outer frame

12‧‧‧Slide rails

13‧‧‧ knife edge

14‧‧‧ gap

15‧‧‧First rib

16‧‧‧second rib

17‧‧‧ slider

171‧‧‧ oblique guide

18‧‧‧First card slot

19‧‧‧Second card slot

2‧‧‧Knife holder

21‧‧‧Slot

22‧‧‧ Spring

23‧‧‧Shrap

24‧‧‧ wearing a mouth

25‧‧‧Baffle

251‧‧‧ Conical seat

26‧‧‧Setting holes

27‧‧‧ steel balls

3‧‧‧ push button

31‧‧‧ Sets

32‧‧‧ Groove

33‧‧‧Second ridge

4‧‧‧ Positioning parts

41‧‧‧Rot

42‧‧‧ card convex

43‧‧‧First ridge

44‧‧‧crossbar

5‧‧‧Switch button

51‧‧‧ Press side

52‧‧‧ positioning ribs

6‧‧‧shank

61‧‧‧ Inside slot

62‧‧‧Flexible slide fasteners

7‧‧‧blade

The first figure is a three-dimensional exploded view of the created knife shell part.

The second figure is a three-dimensional exploded view of the tool holder portion of the present invention.

The third picture is a three-dimensional appearance of the double-knife tool structure of the present creation.

The fourth picture is a schematic view of the angle of the created knife shell.

The fifth picture is a schematic view of another perspective of the created knife shell.

The sixth figure is a cross-sectional view taken along line B-B of the fifth figure, and the implementation diagram of one of the switching buttons is pressed.

The seventh figure is a cross-sectional view taken along line B-B of the fifth figure, and the implementation diagram of pressing another switching button is shown.

The eighth figure is a cross-sectional view taken along line A-A of the fourth figure, and the implementation diagram of the push button is pressed.

The ninth figure is a cross-sectional view taken along line A-A of the fourth figure, and a schematic diagram of the implementation of one of the blades is presented.

The tenth figure is a cross-sectional view taken along line A-A of the fourth figure, and a schematic diagram of the implementation of another blade is introduced.

The eleventh figure is a partial enlarged view of the portion C of the sixth figure.

The twelfth figure is a partially enlarged schematic view of the portion D of the sixth figure.

The thirteenth and fourteenth drawings are cross-sectional views of the shank, and the implementation of the positioning and release switching is performed.

This creation is about a double-knife cutter structure, which is a telescopic cutter that integrates two types of inserts into one. The switch can be used to switch the corresponding inserts according to the operation requirements, so as to simplify the application of the number of tools, please refer to As shown in Fig. 14 to Fig. 14, the "double-knife cutter structure" of the present invention comprises a cutter shell 1, a cutter seat 2, a push button 3, a positioning member 4 and two switching buttons 5; 1 is composed of two outer frames 11 symmetrically. The upper portion of the shell 1 is open to form a slide rail 12 for sliding the push button 3. The front end of the shell 1 is formed with a knife edge 13 for the blade 7 to protrude. A notch 14 is formed on each side of the shell 1 , and the knife seat 2 is slidably disposed inside the knife shell 1 , and the knife seat 2 is recessed inwardly with a slot 21 into which the blade 7 is inserted. The turret 2 is arranged in linkage with the push button 3, and one end of the locating member 4 has a rotating rod 41 pivoted above the arbor 2, and the two sides of the rotating rod 41 are open and unrestricted. set The lower edge of the other end of the bit member 4 is formed with a card protrusion 42 extending into the sipe 21 and being displaced by the positioning member 4 to the left and right of the locating member 4, and the positioning member 4 is presented on the turret 2 When the knife is in the state of the knife, the two sides of the switch button 5 are respectively disposed on a notch 14 , and the outer sides of the two switch buttons 5 each have a pressing side 51 protruding from the notch 14 . The inner side faces respectively abut against the two sides of the positioning member 4, and when the two switching buttons are pressed, the positioning member 4 can be pushed to the left and right (as shown in the sixth and seventh figures), and the two switching buttons 5 are inside. The side surface has a positioning rib 52 that is engaged with the blade 7 that is not engaged by the card protrusion 42; thus, the blade 7 that is engaged by the positioning member 4 is pushed out by the blade edge 13 through the push button 3 to be applied. In the cutting operation (as shown in the eighth and ninth figures), when it is intended to be replaced with another blade 7, it is only necessary to reversely push the push button 3, so that the previous blade 7 is stored back into the blade shell 1 at this time. The two sides of the positioning member 4 respectively correspond to the inner side surfaces of the two switching buttons 5, and continue to press the one side switching button 5 (the switching button 5 selected at this time is more One side), the horizontally tilting positioning member 4 is caused to cause the card protrusion 42 to be stuck against the other blade 7 (as shown in the sixth and seventh figures), so that the button 7 after the push button 3 is switched can be controlled. It is introduced into the knife edge 13 and is cut by another blade 7 (as shown in the tenth figure), and the former blade 7 is fixed in the knife shell 1 by the positioning button 5 of the switch button 5, as before. The locating rib 52 of the switching button 5 is adapted to be fastened to the blade 7 that is not engaged by the positioning member 4. When the positioning member 4 is coupled to the other blade 7, the blade 7 that is not linked by the positioning member 4 is The positioning rib 52 can be stably retained in the blade housing 1.

Further, the bottom of the push button 3 has a sleeve 31 vertically disposed with the knife seat 2, and the knife holder 2 is provided with a spring 22 that is pressed against the bottom of the push button 3; thus, the push button The two opposite knives 2 have a vertical elastic displacement effect, and the slats 1 are respectively formed with a first rib 15 and a second rib 16 at the inner edges of the two sides of the slide rail 12, and the first rib 15 is formed. relatively The second rib 16 is closer to the knife edge 14 , and the push button 2 is built in the two sides of the blade shell 1 and is formed with a recess 32 for the first rib 15 or the second rib 16 to be latched; Pressing the push button 3 to compress the spring 22 causes the push button 3 to be in a pushable manner. When the recess 32 is seated on the first rib 15, the seat 2 is fixed to the cut-out type. When the groove 32 is stuck to the second rib 16, the seat 2 is fixed to the receiving type.

Further, the knife holder 2 is provided with a spring piece 23 which is normally pressed downward against the positioning member 4, so that the card protrusion 42 is provided with the effect of elastically accommodating the blade 7, and a first ridge is formed on the positioning member 4 The bottom surface of the push button 3 is formed with a second ridge piece 33 corresponding to the first ridge piece 43 . The length of the first rib 15 is longer than the second rib 16 , and the push button 3 is stuck on the second rib 16 . When the first ridge piece 43 and the second ridge piece 33 are stuck in the first rib 15 , the first ridge piece 43 and the second ridge piece 33 are staggered. A type of crossbar 44 is formed on the top of the positioning member 4, and a sliding button 17 is disposed on each side of the proximal edge 13 at the proximal edge 13. The button 17 is formed on each of the inner side surfaces with an inclined guide surface 171 for urging the upwardly extending crossbar 44; thus, when the push button 3 is locked in the position of the first rib 145, the positioning member 4 is adjacent to the knife edge 13 Continuing to pull the slider 17 to push the crossbar 44 through the inclined guide surface 171 to lift the positioning member 4 upward, thereby releasing the fixing effect of the blade 7, so that the blade 7 is removed and replaced by the end of the blade opening 13. Furthermore, the first ridge piece 43 and the second ridge piece 33 are in a staggered manner after the push button 3 is pressed, so that the positioning member 4 is slidably moved by the push button 3, and has a stable side. To the function (because the positioning member 4 is displaced on both sides and off the two switching buttons 5, the original lateral positioning function is lost).

Further, the knife holder 2 is formed with a through opening 24 for guiding the two sides of the sipe 21, and the arranging seat 2 is pivotally provided with a baffle 25 at the opening 24, and the baffle 25 is affixed to each side. The switching button 3 is pressed and controlled to be extended to one of the slots 21 (as shown in FIG. 12), and the upper portion of the spacer 2 is formed with a through hole 26 that is electrically connected to the through opening 24, The spring 22 is assembled to the installation hole 26, and the tool holder 2 is attached to the bottom of the installation hole 26 with a steel ball 27 which is elastically biased by the spring 22. The upper edge of the baffle 25 is formed with a steel ball 27. The conical seat 251; thus, the spring 22 cooperates with the steel ball 27 to position the baffle 25 to be offset from the side of the blade 7 to be extended, so that when the blade 7 is force-cut, the opposite end has an abutting end surface.

The "double-knife cutter structure" of the present invention comprises a shank 6 which is pivoted at one end of the shank 6 and is flanked on both sides of the shank 1. The shank 6 is formed with a shank 1 folded and received. The inner groove 61, the two sides of the shank 6 are disposed with an elastic sliding member 62 at each of the positions of the shank 1 . The shank 1 is formed on the two sides of the shank along the pivot center to form an elastic sliding member 62 for selective insertion. The first card slot 18 and the second card slot 19 of the card, when the elastic slider member 62 is embedded in the first card slot 18, the shank 6 and the blade shell 1 are in an unfolded state, and the elastic slider member 62 is additionally When the card is inserted into the second card slot 19, the shank 6 and the blade shell 1 are in a folded configuration.

It can be seen from the above-mentioned creations that the "double-knife cutter structure" of the present invention has a separate sipe 21 on both sides of the cutter base 2, and the blades 7 of different specifications can be installed, and the switch 5 is switched through the sides of the cutter shell 1 It is necessary to switch the corresponding blade according to the job requirement, so as to streamline the tool carrying the number of applications; the above is only a preferred embodiment for explaining the novel creation, and is not intended to impose any form restrictions on the creation, Any modification or change made to the creation of this new type in the same creative spirit shall be included in the scope of protection of this new creative intention for other circumstances in which it may be implemented and have the same effect. .

In summary, the "double-knife cutter structure" created by this new model is indeed practical in terms of structural design and practicality of use, and the structure of the disclosed structure is also There is no innovative structure, so its "novelty" should be undoubtedly considered, and this new creation can be more effective than the conventional structure, so it is also "progressive", which fully complies with the new patent application related to China's patent law. The stipulations, therefore, 提出 提出 提出 提出 提出 提出 提出 提出 提出 提出 提出 提出 提出 提出 提出 提出 提出 提出 提出 提出 提出 提出 提出 提出 提出 提出 提出 提出

1‧‧‧Knife shell

11‧‧‧Outer frame

12‧‧‧Slide rails

13‧‧‧ knife edge

14‧‧‧ gap

15‧‧‧First rib

16‧‧‧second rib

17‧‧‧ slider

171‧‧‧ oblique guide

18‧‧‧First card slot

19‧‧‧Second card slot

2‧‧‧Knife holder

21‧‧‧Slot

22‧‧‧ Spring

23‧‧‧Shrap

24‧‧‧ wearing a mouth

25‧‧‧Baffle

251‧‧‧ Conical seat

26‧‧‧Setting holes

27‧‧‧ steel balls

3‧‧‧ push button

31‧‧‧ Sets

32‧‧‧ Groove

33‧‧‧Second ridge

4‧‧‧ Positioning parts

41‧‧‧Rot

42‧‧‧ card convex

43‧‧‧First ridge

44‧‧‧crossbar

5‧‧‧Switch button

51‧‧‧ Press side

52‧‧‧ positioning ribs

7‧‧‧blade

Claims (5)

The utility model relates to a double-knife cutter structure, which comprises a knife shell, a knife seat, a push button, a positioning component and two switching buttons, wherein the knife shell is composed of two outer frames symmetrically, and the upper shell is The opening is formed by a slide rail for sliding the push button, and the front end of the cutter shell is formed with a knife edge for extending the two blades, and each of the two sides of the cutter shell is formed with a notch, and the cutter seat is slidably disposed inside the cutter shell. And a sipe for inserting the blade is recessed on both sides of the arbor, the arbor is arranged in linkage with the push button, and one end of the locating member has a rotating rod pivoted above the arbor. And the two sides of the rotating rod are open and unrestricted, and the lower edge of the other end of the positioning member is formed with a protrusion extending into the sipe and being displaced by the positioning member to the left and right to obtain a card convex to the one of the blades. When the positioning member presents the knife-receiving state, the two sides of the two-switching button are respectively disposed on a notch, and the two outer sides of the two switching buttons each have a protruding surface. Pressing the side, and the inner sides are respectively placed on both sides of the positioning member The two key switches based on an inner surface having a card gains unprotected against the positioning rib detent shoulder blades of the contact card. The double-knife cutter structure according to claim 1, wherein the bottom of the push button has a sleeve that is vertically sleeved with the knife seat, and the knife seat is provided with a spring that springs against the bottom of the push button, the knife The shells are respectively formed with a first rib and a second rib at the inner edges of the two sides of the slide rail. The first rib is closer to the knife edge than the second rib, and the push button is built on both sides of the shell. The portions are each formed with a recess for the first rib or the second rib to be engaged. The double-knife cutter structure according to claim 2, wherein the cutter holder is provided with a spring piece which is normally pressed downward against the positioning member, and the positioning member is formed with a first portion a ridge piece, the bottom surface of the push button is formed with a second ridge piece corresponding to the first ridge piece, the first rib length is longer than the second rib, and the push button is placed on the second rib, the first ridge The first ridge and the second ridge are in a staggered manner, and the ridge is formed in a non-interfering manner. The shank has a sliding button disposed on each side of the knife edge, and the two sliding buttons respectively form an inclined guiding surface on the inner side of the shank. The double-knife cutter structure according to claim 3, wherein the knife seat is formed with a through hole for guiding the two sides of the sipe, the arbor is provided with a baffle at the opening of the spigot, and the baffle is flanked by Each of the switching button presses is controlled to be extended by one of the sipe types. The upper portion of the arranging seat is formed with a hole for conducting the opening, and the spring is assembled to the setting hole, and the spring is assembled The knife seat is provided with a spring-impacted steel ball at the bottom of the installation hole, and a tapered seat abutting against the steel ball is formed at the upper edge of the baffle. The double-knife cutter structure according to claim 1, wherein the double-knife cutter structure comprises a shank, one end of the shank is pivoted to both sides of the tail end of the shank, and one side of the shank is formed An inner groove for folding and accommodating the knife shell, wherein the two sides of the shank are respectively provided with an elastic sliding fastener member, and the shank is formed on the two sides of the pivot shaft with an outer diameter of the pivotal shaft for selecting and embedding the elastic sliding member. The first card slot and the second card slot of the card, when the elastic slider member is embedded in the first card slot, the tool holder and the knife shell are in an unfolded state, and the elastic slider member is embedded in the second card slot. At the time, the shank and the shank are in a folded configuration.