CN220882215U - Multifunctional folding tool with auxiliary opening device - Google Patents

Abstract

The utility model provides a multifunctional folding tool with an auxiliary opening device, which comprises a handle, wherein the handle is provided with a storage groove, the rear end of a tool piece is pivoted with the left end of the handle through a pivot and is folded in the storage groove, the storage groove is internally provided with the auxiliary opening device, the back of the handle is provided with a limiting mechanism, the auxiliary opening device comprises a rotating piece, the rotating piece is provided with an assembly hole and is rotationally assembled on a connecting nail arranged at the right end of the handle through the assembly hole, the rotating piece comprises a stirring part and a driving part, the stirring part extends out of the handle towards the notch of the storage groove, the driving part is arranged below the front end of the tool piece, and when the rotating piece rotates clockwise, the driving part can lift the front end of the tool piece from a first position folded in the storage groove to a second position exposed out of the handle. The auxiliary opening device has the advantages that the force arm from the position where the auxiliary opening device is abutted against the tool piece to the pivot of the tool piece is larger, the operation is more labor-saving, the front ends of different tool pieces can be lifted to different heights, and the subsequent unfolding operation is more convenient.

Description

Multifunctional folding tool with auxiliary opening device

Technical Field

The utility model belongs to the technical field of hand-held hand tools, and particularly relates to a multifunctional folding tool with an auxiliary opening device.

Background

The multifunctional folding tool generally contains dry functional pieces capable of being opened in a rotating mode in a handle of the multifunctional folding tool, such as a blade, a file, scissors, a screwdriver head and the like, a back spring for providing a pressing force for the functional pieces is generally arranged on the back of the handle based on safety, certain damping force is needed to overcome when the functional pieces are opened, the functional pieces are needed to be buckled with fingers to form a groove on the side face of the head of the functional piece or the side face of the main body of the functional piece, after the functional pieces are opened by a certain angle relative to the pliers handles, the main body of the functional pieces can be pinched by two fingers to enable the functional pieces to be completely opened, and due to small stress area and limited positions capable of containing nails, the multifunctional folding tool is laborious to operate and has very bad operation experience.

Accordingly, the utility model of a multifunctional folding tool with an auxiliary opening device is disclosed in the patent No. 201920984985.4, and the utility model is a Chinese utility model of a multifunctional tool pliers with a functional tool part auxiliary opening device, which comprises a first pliers head, a second pliers head, a first pliers handle and a second pliers handle, wherein the first pliers head and the second pliers head are hinged together, the first pliers handle is correspondingly hinged to the tail end of the first pliers head, the second pliers handle is correspondingly hinged to the tail end of the second pliers head, a first accommodating groove is formed in the first pliers handle, the functional tool part is accommodated in the first accommodating groove, the tail end of the functional tool part is pivoted with the tail end of the first pliers handle through a first connecting nail, a back spring mechanism which can provide damping for the rotation of the functional tool part when being contacted with the tail end face of the functional tool part is arranged in the first accommodating groove, and the auxiliary opening device which can contact with the inner side edge of the functional tool part and can drive the functional tool part to rotate until the front end of the functional tool part is exposed out of the first pliers handle is arranged in the first accommodating groove. The auxiliary opening device comprises a push rod, a connecting piece and a driving part, wherein the connecting piece comprises a connecting end and an operating end, the push rod is arranged at the operating end, a containing push rod is arranged at the position corresponding to the push rod on the first clamp handle, the containing push rod penetrates through and extends to an avoidance groove outside the first clamp handle, the connecting piece is sleeved on the first connecting nail through an assembly hole arranged on the connecting end and is rotationally connected with the first connecting nail, the driving part is arranged at the connecting end, and the driving part can be in contact with the inner side edge of the functional tool piece in the first containing groove to drive the tool piece to rotate when the connecting piece rotates relative to the first connecting nail.

The auxiliary opening device and the functional tool part share the first connecting nails, the first connecting nails are used as rotating shafts to rotate, the driving part is enabled to be in contact with the inner side edge of the tail end of the functional tool part to drive the tool part to rotate in advance to open a certain angle through the rotation auxiliary opening device, and the auxiliary opening device has the advantages that the force arm of the point where the tool part is in contact with the driving part is relatively short, the acting force required by the auxiliary opening device when the functional tool part is driven to open is relatively large, in addition, the driving part is in contact with the inner side of the tail end of the functional tool part, a plurality of functional tool parts can be simultaneously opened, the opening angle of each functional tool part is the same, and certain trouble exists when the functional tool part which needs to be used is selected to be continuously opened.

Disclosure of Invention

The utility model aims to solve the technical problems, and aims to provide a multifunctional folding tool with an auxiliary opening device, which is labor-saving, can pre-open different tool pieces at different angles, and is convenient for fingers to pinch and fully open.

The utility model is realized by the following technical scheme.

The utility model provides a multifunctional folding tool with an auxiliary opening device, which comprises a handle, wherein the handle is provided with a storage groove, the rear end of a tool piece is pivoted with the left end of the handle through a pivot and is folded in the storage groove, the storage groove is internally provided with the auxiliary opening device, the back of the handle is provided with a limiting mechanism, the auxiliary opening device comprises a rotating piece, the rotating piece is provided with an assembly hole and is rotationally assembled on a connecting nail arranged at the right end of the handle through the assembly hole, the rotating piece comprises a stirring part and a driving part, the stirring part extends to the outside of the handle towards a notch of the storage groove, the driving part is arranged below the front end of the tool piece, and when the stirring part is operated to enable the rotating piece to rotate clockwise, the driving part can lift the front end of the tool piece from a first position folded in the storage groove to a second position exposed outside the handle.

In the technical scheme, the auxiliary opening device is arranged at the pivot which is far away from the pivot of the tool piece and the handle, the tool piece is opened in advance by a certain angle by lifting the front end of the tool piece so as to facilitate the unfolding of the subsequent tool piece, the force arm of the point where the tool piece contacts with the driving part is longer, the auxiliary opening device is operated to drive the tool piece to be opened in advance by a certain angle to save more labor, and the auxiliary opening device has a simpler and smaller structure and can be applied to a plurality of multifunctional folding tools with smaller volumes.

Preferably, the number of the tool pieces is at least two, each tool piece is axially arranged side by side, the driving part is provided with abutting parts which are the same as the number of the tool pieces, and each abutting part has a difference in length and/or a difference in height. In this technical scheme, set up the butt portion of corresponding quantity according to the quantity of function piece, the length, the height setting of butt portion are different moreover, through reasonable design, can be with the front end of a plurality of tool pieces respectively the lifting to different height expose outside the handle so that a plurality of tool pieces stagger, it is more convenient when the tool piece that needs to expand in follow-up operation.

Preferably, the number of the tool pieces is three, including a first tool piece, a second tool piece and a third tool piece, the number of the abutting portions is three, including a first abutting portion, a second abutting portion and a third abutting portion which are respectively arranged below the front end of the first tool piece, below the front end of the second tool piece and below the front end of the third tool piece, and the height of the first abutting portion is set to be smaller than the height of the second abutting portion, and the height of the third abutting portion is set to be smaller than the height of the second abutting portion and larger than the height of the first abutting portion. In the technical scheme, the front end of the first tool piece, the front end of the second tool piece and the front end of the third tool piece are lifted to different heights to be exposed outside the handle, so that the subsequent operation of the tool pieces needing to be unfolded is more convenient.

Preferably, the length of the second abutting portion and the length of the third abutting portion are set to be the same and larger than the length of the first abutting portion. Therefore, the front end lifting height of the first tool piece can be further reduced, the position staggered with the front ends of the first tool piece and the second tool piece is larger, the second tool piece and the third tool piece can be conveniently unfolded subsequently, meanwhile, the lifting height of the front end of the tool piece is properly reduced for the tool piece such as a blade, the cutting edge of the blade can be prevented from being exposed out of the handle, and the safety is better.

Preferably, the stop gear includes pushing part, limiting plate, compression spring and fixed part, the left end at handle back can slide about relative handle is located to the pushing part, the left end surface of pushing part exposes outside the handle, the right-hand member and the limiting plate of pushing part are connected fixedly, the left end and the rear end cooperation of instrument spare of limiting plate, the side of limiting plate inserts in the first spout that leads that the inner wall of handle was equipped with and cooperates with it, the right-hand member and the left end butt of compression spring of limiting plate, the right-hand member and the left end butt of fixed part of lock compression spring, and the fixed part is fixed in the handle back. In this technical scheme, through the right-hand member direction slip of operation promotion portion to the handle, can make the limiting plate remove the rear end that breaks away from the tool spare to the right-hand member of handle and release spacingly, after withdrawing the operating force to the promotion portion, the limiting plate can reset to the left under compression spring's elasticity effect again with the rear end cooperation spacing of tool spare.

Preferably, the pushing part is provided with a guide sliding column, and the end part of the guide sliding column is assembled in a second guide sliding groove arranged on the inner wall of the handle. Therefore, the sliding connection of the pushing part and the handle can be realized, and the sliding connection of the pushing part and the handle can be more stable and reliable when the limiting plate is pushed to slide.

Preferably, the left end outer surface of the pushing part is provided with anti-slip stripes. In this way, the pushing part can be conveniently operated to slide by the thumb.

Preferably, the right end of the limiting plate is provided with a first convex column, the left end of the fixing part is provided with a second convex column, and the compression spring is sleeved on the first convex column and the second convex column. Thus, the compression spring can be fixed, and the compression spring is prevented from deviating from the position during compression deformation.

Preferably, the rear end of the tool piece is provided with a first clamping part and a second clamping part, when the tool piece is positioned at the first position folded in the storage groove, the first clamping part is matched and clamped with the front end of the limiting plate, when the tool piece is positioned at the third position which is unfolded 180 degrees relative to the handle, the second clamping part is matched and clamped with the front end of the limiting plate, and the profile surface of the rear end of the tool piece between the first clamping part and the second clamping part is set to be an arc surface. In this technical scheme, when the tool piece is located the first position, first clamping portion and the front end cooperation card of limiting plate block can avoid the tool piece unexpected to open, when the tool piece is located the third position, second clamping portion and the front end cooperation card of limiting plate block can avoid the tool piece unexpected folding, in the tool piece from first position to third position conversion in-process, perhaps move the third position to first position conversion in-process, the front end of limiting plate is contradicted with the rear end profile face of tool piece under compression spring's elasticity effect, can provide damping force for the tool piece rotation, the tool piece is more steady not influenced by factors such as gravity when rotating.

Preferably, a limit post is arranged between the inner surface of the pushing part and the rear end of the tool piece, the end part of the limit post is fixedly connected with the inner wall of the handle, and the limit post is used for limiting the tool piece to be unfolded by more than 180 degrees relative to the handle. In this technical scheme, when the tool part is located the third position of relative handle expansion and carries out work, if the blade cuts etc., the tool part can receive the reaction force, except that limiting plate stops the tool part this moment, the spacing post also stops the tool part, makes the tool part unable rotation more than 180 degrees, has further strengthened restriction intensity.

Compared with the existing similar products, the auxiliary opening device has the advantages that the force arm from the position where the auxiliary opening device is abutted against the tool piece to the pivot of the tool piece is larger, and the operation of lifting the front end of the tool piece to the position where the handle is exposed is more labor-saving; the front ends of different tool pieces can be lifted to different heights by arranging the abutting parts with different lengths and/or different heights, so that the subsequent unfolding operation of the tool pieces is more convenient; the structure is simpler and smaller, and can be applied to some multifunctional folding tools with smaller volumes.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

FIG. 2 is a schematic view of the internal structure of the handle of the present utility model with parts omitted.

Fig. 3 is a schematic view of the structure of the present utility model with part of the handle omitted and the driving part of the rotating member of the tool member in the first position.

Fig. 4 is a schematic view of the structure of the present utility model with part of the handle omitted and the driving part of the rotating member of the tool member in the second position.

Fig. 5 is a schematic structural view of a rotating member according to the present utility model.

Fig. 6 is a schematic view of the tool of the present utility model when lifted to a second position.

FIG. 7 is a schematic view of the first tool part of the present utility model deployed to a third position, and the second tool part and the third tool part are in a second position.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the present patent; for the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationship depicted in the drawings is for illustrative purposes only and is not to be construed as limiting the present patent.

The same or similar reference numbers in the drawings of embodiments of the utility model correspond to the same or similar components; in the description of the present utility model, it should be understood that, if there are orientations or positional relationships indicated by terms "upper", "lower", "left", "right", "long", "short", etc., based on the orientations or positional relationships shown in the drawings, this is merely for convenience in describing the present utility model and simplifying the description, and is not an indication or suggestion that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, so that the terms describing the positional relationships in the drawings are merely for exemplary illustration and are not to be construed as limitations of the present patent, and that it is possible for those of ordinary skill in the art to understand the specific meaning of the terms described above according to specific circumstances.

The technical scheme of the utility model is further specifically described by the following specific embodiments with reference to the accompanying drawings:

example 1

The utility model provides a multifunctional folding tool with an auxiliary opening device, as shown in fig. 1 to 5, the multifunctional folding tool comprises a handle 1, the handle 1 is provided with a storage groove 2, the rear end of a tool piece 3 is pivoted with the left end of the handle 1 through a pivot 4 and folded in the storage groove 2, the storage groove 2 is provided with the auxiliary opening device, the back of the handle 1, namely the bottom of the storage groove 2, is provided with a limiting mechanism 7, the auxiliary opening device comprises a rotating piece 5, the rotating piece 5 is provided with an assembling hole 53 and is rotatably assembled on a connecting nail 6 arranged at the right end of the handle 1 through the assembling hole 53, the rotating piece 5 comprises a stirring part 51 and a driving part 52, the stirring part 51 extends to the outside of the handle 1 towards the notch of the storage groove 2, the top surface 511 of the stirring part 51 is arranged at the upper corner position of the right end of the handle 1, the top surface 511 is provided with anti-skid stripes, the driving part 52 is arranged below the front end of the tool piece 3, and when the stirring part 51 is operated to enable the rotating piece 5 to rotate clockwise, the driving part 52 can lift the front end of the tool piece 3 from the first position of the storage groove 2 to the second position exposed outside of the handle 1.

As shown in fig. 2 to 4, in the present embodiment, the limiting mechanism 7 includes a pushing portion 71, a limiting plate 72, a compression spring 73 and a fixing portion 74, the pushing portion 71 is disposed at the left end of the back of the handle 1, the pushing portion 71 is provided with a slide guiding column 711, the slide guiding column 711 is disposed from the side of the pushing portion 71 through the pushing portion 711, the end portion of the slide guiding column 711 is assembled in a second slide guiding groove (not shown in the drawings due to shielding of the components) disposed on the inner wall of the handle 1 and can slide left and right with respect to the handle 1, the left end outer surface 712 of the pushing portion 71 is exposed at the lower corner position of the left end of the handle 1 outside the handle 1, and the left end outer surface 712 of the pushing portion 71 is provided with anti-skid stripes. The right-hand member and the limiting plate 72 of pushing portion 71 are connected fixedly, and the left end and the rear end cooperation of instrument spare 3 of limiting plate 72, and the side of limiting plate 72 inserts in the first guide chute 11 that the inner wall of handle 1 was equipped with and cooperates the slip therewith, and the right-hand member and the left end butt of compression spring 73 of limiting plate 72, the right-hand member and the left end butt of fixed part 74 of compression spring 73, and the left end of fixed part 74 is equipped with first connecting axle 742, and the right-hand member is equipped with second connecting axle 743, and fixed part 74 is fixed in handle 1 back through first connecting axle 742 and second connecting axle 743 and the inner wall connection of handle 1.

As a further improvement, as shown in fig. 3, a first boss 721 extending rightward is provided at the right end of the limiting plate 72, a second boss 741 extending leftward is provided at the left end of the fixing portion 74, the left end of the compression spring 73 is sleeved on the first boss 721 to abut against the right end of the limiting plate 72, and the right end of the compression spring 73 is sleeved on the second boss 741 to abut against the left end of the fixing portion 74.

In this embodiment, as shown in fig. 6 and 7, the rear end of the tool 3 is provided with a first locking portion 311 and a second locking portion 312, when the tool 3 is in the first position folded in the receiving groove 2, the first locking portion 311 is locked with the front end of the limiting plate 72, and when the tool 3 is in the third position unfolded 180 degrees relative to the handle 1, the second locking portion 312 is locked with the front end of the limiting plate 72, and the rear end profile surface 713 of the tool 3 between the first locking portion 711 and the second locking portion 712 is provided as an arc surface.

Example 2

This embodiment is similar to the embodiment 1 in that, as shown in fig. 5 to 7, the number of the tool pieces 3 is at least two, each of the tool pieces 3 is disposed axially side by side, the driving portion 52 is provided with the same number of abutment portions as the tool pieces 3, each of the abutment portions has a difference in length in the arrangement, and/or a difference in height in the arrangement.

In the present embodiment, the number of the tools 3 is three, including the first tool 31, the second tool 32 and the third tool 33, the first tool 31 is a blade, the second tool 32 is a file with a screwdriver bit, the third tool 33 is a shear blade, the number of the abutting portions is three, including the first abutting portion 521, the second abutting portion 522 and the third abutting portion 523, which are respectively provided below the front end of the first tool 31, below the front end of the second tool 32 and below the front end of the third tool 33, the height of the first abutting portion 521 is set to be smaller than the height of the second abutting portion 522, the height of the third abutting portion 523 is set to be smaller than the height of the second abutting portion 522 and larger than the height of the first abutting portion 521, and simultaneously, the length of the second abutting portion 522 and the length of the third abutting portion 523 are set to be the same and larger than the length of the first abutting portion 521.

In this embodiment, the front end of the first tool member 31, the front end of the second tool member 32 and the front end of the third tool member 33 are raised to different heights to be exposed to the outside of the handle 1, which is more convenient when the tool member 3 needs to be unfolded in the subsequent operation.

Example 3

The structure of this embodiment is similar to that of embodiment 2, except that, as shown in fig. 6, a limit post 8 is provided between the inner surface of the pushing portion 71 and the rear end of the tool member 3, the end of the limit post 8 is fixedly connected to the inner wall of the handle 1, and the limit post 8 is used for limiting the tool member 3 to be unfolded by more than 180 degrees relative to the handle 1, so that the tool member 3 can be prevented from rotating beyond a limited angle during operation to affect the use.

The foregoing is only illustrative of the present utility model, but the present utility model is not limited to the above embodiments, and any insubstantial modifications made by the present utility model using the present utility model are within the scope of the present utility model.

Claims (10)

1. The utility model provides a multi-functional folding tool with supplementary opening device, includes handle (1), handle (1) are equipped with and accomodate groove (2), the rear end of instrument spare (3) is through pivot (4) and the left end pin joint of handle (1) and fold in accomodating groove (2), be equipped with supplementary opening device in accomodating groove (2), handle (1) back is equipped with stop gear (7), a serial communication port, supplementary opening device includes rotates piece (5), rotate piece (5) be equipped with mounting hole (53) and warp mounting hole (53) rotate on connecting nail (6) that are equipped with in handle (1) right-hand member, rotate piece (5) including stir portion (51) and drive portion (52), stir portion (51) towards accomodating groove (2) notch extension to handle (1) outside, drive portion (52) are located the front end below of instrument spare (3), when operating stir portion (51) and make rotate piece (5) clockwise, drive portion (52) can be with the front end of handle (3) from lifting position (2) of folding position to the second of lifting position of folding tool (1).

2. A multifunctional folding tool provided with auxiliary opening means according to claim 1, characterized in that the number of tool pieces (3) is at least two, each tool piece (3) being arranged axially side by side, the driving part (52) being provided with the same number of abutment parts as the tool pieces (3), each abutment part being provided with a difference in length and/or a difference in height.

3. The multifunctional folding tool provided with auxiliary opening means according to claim 2, wherein the number of the tool pieces (3) is three, including a first tool piece (31), a second tool piece (32) and a third tool piece (33), the number of the abutment portions is three, including a first abutment portion (521), a second abutment portion (522) and a third abutment portion (523) provided below the front end of the first tool piece (31), below the front end of the second tool piece (32) and below the front end of the third tool piece (33), respectively, and the height of the first abutment portion (521) is set smaller than the height of the second abutment portion (522), and the height of the third abutment portion (523) is set smaller than the height of the second abutment portion (522) and larger than the height of the first abutment portion (521).

4. A multifunctional folding tool provided with auxiliary opening means according to claim 3, characterized in that the length of the second abutment (522) and the length of the third abutment (523) are set to be the same and greater than the length of the first abutment (521).

5. The multifunctional folding tool with the auxiliary opening device according to any one of claims 1 to 4, wherein the limiting mechanism (7) comprises a pushing part (71), a limiting plate (72), a compression spring (73) and a fixing part (74), the left end of the pushing part (71) arranged at the back of the handle (1) can slide left and right relative to the handle (1), the outer surface (712) of the left end of the pushing part (71) is exposed out of the handle (1), the right end of the pushing part (71) is fixedly connected with the limiting plate (72), the left end of the limiting plate (72) is matched with the rear end of the tool piece (3), the side edge of the limiting plate (72) is inserted into a first guide groove (11) formed in the inner wall of the handle (1) and matched with the first guide groove, the right end of the limiting plate (72) is abutted with the left end of the compression spring (73), the right end of the lock compression spring (73) is abutted with the left end of the fixing part (74), and the fixing part (74) is fixed on the back of the handle.

6. The tool according to claim 5, characterized in that the pushing part (71) is provided with a guiding strut (711), the end of the guiding strut (711) being fitted in a second guiding groove provided in the inner wall of the handle 1.

7. The multifunctional folding tool provided with auxiliary opening means according to claim 6, wherein the left end outer surface (712) of the pushing part (71) is provided with anti-slip stripes.

8. The multifunctional folding tool with the auxiliary opening device according to claim 5, wherein a first convex column (721) is arranged at the right end of the limiting plate (72), a second convex column (741) is arranged at the left end of the fixing portion (74), and the compression spring (73) is sleeved on the first convex column (721) and the second convex column (741).

9. The multifunctional folding tool with the auxiliary opening device according to claim 5, wherein a first locking part (311) and a second locking part (312) are arranged at the rear end of the tool piece (3), when the tool piece (3) is positioned at the first position folded in the accommodating groove (2), the first locking part (311) is locked with the front end of the limiting plate (72) in a matched manner, when the tool piece (3) is positioned at the third position unfolded 180 degrees relative to the handle (1), the second locking part (312) is locked with the front end of the limiting plate (72) in a matched manner, and a rear end profile surface (313) of the tool piece 3 between the first locking part (311) and the second locking part (312) is arranged to be an arc surface.

10. The multifunctional folding tool with the auxiliary opening device according to claim 9, wherein a limiting column (8) is arranged between the inner surface of the pushing part (71) and the rear end of the tool piece (3), the end part of the limiting column (8) is fixedly connected with the inner wall of the handle (1), and the limiting column (8) is used for limiting the tool piece (3) to be unfolded by more than 180 degrees relative to the handle.