CN220741026U - But tool handle of quick replacement function piece - Google Patents

Abstract

The utility model discloses a tool handle capable of quickly replacing functional parts, which comprises a main handle and an auxiliary handle, wherein the front end and the rear end of the main handle are respectively provided with a pivot, the top of the pivot is connected with an adjusting screw, the front end and the rear end of the auxiliary handle are provided with shaft holes and are assembled on the pivot through the shaft holes, the auxiliary handle comprises a bottom plate and a cover plate, the shaft holes are arranged on the bottom plate, a locking mechanism comprising a sliding part and a limiting part is arranged between the bottom plate and the cover plate, the front end of the sliding part is provided with a bayonet, the upper surface of the sliding part is provided with a stirring part, the cover plate is provided with a long-strip-shaped avoidance groove at the position corresponding to the stirring part, when the stirring part slides to a first position along the long-strip-shaped avoidance groove, the bayonet is matched and locked with a pin body of the adjusting screw, and when the stirring part slides to a second position, the bayonet is separated from the pin body, and the limiting part is connected with the auxiliary handle, so that the sliding part is limited when being positioned at the first position and the second position. The utility model has the advantages of convenient and quick replacement of functional parts, small requirement on the space of the end part of the handle, simple structure and few parts.

Description

But tool handle of quick replacement function piece

Technical Field

The utility model belongs to the technical field of hand-held hand tools, and particularly relates to a tool handle capable of quickly replacing functional parts.

Background

The handle is an integral part of the hand-held hand tool for grasping by a user to operate the hand-held hand tool. The connecting mode of the handle and the functional piece is mainly two, one is that the handle is fixedly connected with the functional piece, such as a hammer, the hammer head is fixedly connected with the handle, and the other is that the functional piece is pivoted with the handle through a pivot assembly, such as a folding knife, and the knife body is pivoted at the front end of the handle.

At present, the functional parts of the hand-held hand tool which are pivoted with the handle through the pivot assembly are generally unable to be detached and replaced relative to the handle, and the hand-held hand tool has relatively single function, and the handle is also used only as a gripping part.

Of course, there are hand-held hand tools with functional parts capable of being detached and replaced relative to the handle in the market, such as Chinese patent publication No. CN211415248U, which discloses a cutter handle, comprising a handle main body, wherein a rotating shaft is arranged at the top of the handle main body, a part is arranged on the surface of the rotating shaft, a screw is arranged in the rotating shaft and positioned at the top of the part, a first gasket is arranged at the top of the part, a lower cover is arranged at the top of the first gasket, the top of the screw sequentially penetrates through the part, the first gasket and the lower cover from bottom to top and extends to the upper part of the lower cover, the top of the first gasket is arranged at the bottom of the lower cover in a clamping manner, the surface of screw and the top that is located the lower cover are provided with the card, the fixture block is installed at the top of card, the internally mounted of fixture block has the pivot nail, the top of pivot nail runs through the fixture block and extends to its outside, the torsional spring is installed to one side that the pivot nail was kept away from to the fixture block, the briquetting with torsional spring looks adaptation is installed at the top of lower cover, the upper cover is installed to the top of handle main part and is located the top of torsional spring, the flange has been cup jointed on the surface of pivot nail and the top that is located the fixture block, the top of upper cover is provided with the screw, the bottom of screw is from last to running through upper cover, flange and pivot nail in proper order and extending to the inside of pivot nail. The handle disclosed by the technical scheme not only can be used as a gripping part, but also can be used as a handheld platform, various functions are realized by changing different functional pieces, various use requirements are met, and the functional pieces are changed quickly and conveniently.

The working principle of the technical scheme is that the card is rotated to lock the head of the rotating shaft, the requirement on the size of the space of the end head of the handle is high, the end head of the handle needs to have enough space for the rotation of the card, and the technical scheme is not suitable for small-end handles and is limited.

Disclosure of Invention

The utility model aims to solve the technical problems, and aims to provide a tool handle capable of quickly replacing functional parts, which is simple in structure and applicable to a small-end handle.

The utility model is realized by the following technical scheme.

The utility model provides a tool handle capable of quickly replacing functional parts, which comprises a main handle and an auxiliary handle, wherein the front end and the rear end of the main handle are respectively provided with a pivot, the top of the pivot is connected with an adjusting screw, the front end and the rear end of the auxiliary handle are provided with shaft holes and are assembled on the pivot through the shaft holes, the auxiliary handle is provided with a locking mechanism matched with the adjusting screw, the auxiliary handle comprises a bottom plate and a cover plate, the shaft holes are arranged on the bottom plate, the locking mechanism is arranged between the bottom plate and the cover plate, the locking mechanism comprises a sliding part and a limiting part, the front end of the sliding part is provided with a bayonet matched with the nail body of the adjusting screw, the upper surface of the sliding part is provided with a poking part protruding outwards from the upper surface, the cover plate is provided with a strip-shaped avoidance groove for allowing the poking part to pass through at the position corresponding to the poking part, the length trend of the strip-shaped avoidance groove is parallel to the connecting line of the two shaft holes, when the poking part slides to a first position along the strip-shaped avoidance groove, the bayonet of the sliding part is matched and locked with the nail body of the adjusting screw, when the poking part slides to a second position along the strip-shaped avoidance groove, the second position, the sliding part is separated from the nail body of the sliding part, and the sliding part is arranged at the second position, and the second position is matched with the position of the adjusting part.

According to the technical scheme, when the functional piece is required to be replaced, the locking mechanism is only required to be operated to unlock the pin body of the adjusting screw, the auxiliary handle can be detached from the main handle, after the functional piece pivoted at the front end of the main handle is replaced, the shaft hole of the auxiliary handle is aligned and matched with the pivot of the main handle, and the pin body of the adjusting screw is locked through the locking mechanism, so that the main handle and the auxiliary handle can be assembled and connected, and the whole functional piece replacement process is convenient and quick; the locking mechanism adopts a sliding part with a bayonet to be matched with the adjusting screw for locking, the structure is simpler, the width of the sliding part can be smaller than that of the handle, the requirement on the space of the end head of the handle is low, and the small-end handle, such as a strip-shaped straight handle and the like, is also suitable for the structure of the utility model.

Preferably, the locating part includes backing plate and preforming, backing plate and preforming are connected with the bottom plate through the connecting nail, the backing plate is located preforming below middle part, the preforming is closely with the backing plate, and the tip of preforming is located the rear end top of slider, and the lower surface of the tip of preforming is equipped with first spacing portion, the rear end of slider be equipped with first spacing portion complex second spacing portion and third spacing portion, when the slider is located the first position, bayonet socket and adjusting screw's nail body cooperation locking, first spacing portion cooperates with third spacing portion, when the slider is located the second position, bayonet socket and adjusting screw's nail body break away from the unblock, first spacing portion cooperates with second spacing portion. In the technical scheme, a backing plate arranged in the middle of the lower part of the pressing piece is used as a fulcrum of the pressing piece, and the pressing piece can be elastically deformed when the two ends of the pressing piece are upwards and downwards displaced; when the sliding piece slides to the second position from the first position, the first limiting part is abutted against the upper surface of the sliding piece after being separated from the third limiting part, so that the end part of the pressing piece is forced to lift up, the pressing piece generates elastic deformation, when the sliding piece reaches the second position, the first limiting part reaches the upper part of the second limiting part, and the pressing piece realizes the limiting effect by pressing and matching the first limiting part and the second limiting part under the action of elastic potential energy.

Preferably, the first limiting portion is a protrusion, and the second limiting portion and the third limiting portion are grooves. Like this, simple structure, spacing effect is practical, and at slider from the first position slip to the in-process of second position, protruding breaking away from the recess, protruding and slider's upper surface conflict in addition the preforming produces elastic deformation, when slider arrived the second position, the preforming realizes spacing in pressing into another recess with protruding under the elastic potential energy effect.

Preferably, the thickness of the pad is the same as the thickness of the slider. In this technical scheme, the tip of preforming can be hugged closely with the upper surface of slider again not take place elastic deformation, only can make the preforming produce elastic deformation when protruding breaking away from the upper surface conflict of recess and slider, keeps protruding and the state that the upper surface of slider is contradicted all the time, provides comparatively little damping force for the slider when changing between first position and second position, and is more smooth and easy when the slider slides.

Preferably, the inner surface of the cover plate is provided with a receiving groove for receiving the sliding member, the backing plate and the pressing piece. Therefore, the containing groove can conduct sliding action on the sliding piece, limit the sliding direction of the sliding piece, ensure the matching of the bayonet and the nail body of the adjusting screw, and ensure the matching reliability of the first limiting part, the second limiting part and the third position part.

Preferably, the cover plate is provided with an adjusting through hole at a position corresponding to the adjusting screw, and the aperture of the adjusting through hole is smaller than the outer diameter of the nut of the adjusting screw. In the technical scheme, the screw driver head passes through the adjusting through hole to screw the adjusting screw, so that the axial tightness of the auxiliary handle and the main handle is adjusted, the problem that a functional part can shake axially by a small margin or cannot be assembled when being pivoted due to machining errors can be solved, and the rejection rate of products is greatly reduced.

Preferably, a first gasket is arranged on the lower surface of the front end of the bottom plate at a position corresponding to the shaft hole, the first gasket is provided with an avoidance hole concentric with the shaft hole, and the aperture of the avoidance hole is equal to or larger than that of the shaft hole. In the technical scheme, the first gasket can enable the functional piece assembled on the pivot to be spaced from the lower surface of the bottom plate by a certain distance, and friction force when the functional piece rotates by taking the pivot as a rotating shaft is reduced.

Preferably, one side of the first gasket facing the bottom plate is provided with an elastic arm and a clamping hook, the bottom of the elastic arm is fixedly connected with the first gasket, the clamping hook is arranged at the top of the elastic arm, and the clamping hook penetrates through a socket arranged on the bottom plate and then is matched with the upper surface of the bottom plate. Thus, the first gasket and the auxiliary handle are fixed together, and the first gasket cannot be lost in the process of assembling or disassembling the auxiliary handle and the main handle.

Preferably, the pivot of main handle front end is equipped with the second gasket, second gasket and main handle upper surface are closely fixed. In the technical scheme, the second gasket can enable the functional piece assembled on the pivot to be spaced from the upper surface of the main handle by a certain distance, and friction force when the functional piece rotates by taking the pivot as a rotating shaft is reduced.

Preferably, the main handle is provided with an elastic sheet, and the front end of the elastic sheet is located at the front end of the main handle and is tilted upwards relative to the upper surface of the main handle. In the technical scheme, when the functional piece is unfolded to a complete unfolding state of 180 degrees relative to the main handle, the front end of the elastic piece can be abutted against the rear end profile of the functional piece, the complete unfolding state of the functional piece is maintained, and when the functional piece is required to be folded and retracted, the front end of the elastic piece is pressed down to be flush with the upper surface of the main handle, and the functional piece can be folded and retracted.

The utility model has the advantages that the auxiliary handle and the main handle can be assembled or disassembled quickly, and the functional parts are replaced conveniently and quickly; the locking mechanism in the auxiliary handle has small requirements on the space of the end part of the handle, and is particularly suitable for a small-end handle; compared with the existing similar products, the structure is simpler, parts are fewer, and the cost is lower.

Drawings

Fig. 1 is a schematic exploded view of the present utility model.

Fig. 2 is a schematic structural view of the sliding member with the cover plate omitted in the first position.

Fig. 3 is a schematic structural view of the sliding member with the cover plate omitted in the second position.

Fig. 4 is a schematic diagram of the front structure of the present utility model.

Fig. 5 is a schematic view of the cross-sectional structure A-A of fig. 4.

Fig. 6 is a schematic view of the cross-sectional structure of B-B of fig. 4.

Fig. 7 is a schematic structural view of the sliding member and the locking mechanism of the present utility model.

FIG. 8 is a schematic view of the structure of the inner surface of the cover plate of the present utility model.

Fig. 9 is a schematic view of the structure of the bottom of the auxiliary handle of the present utility model.

Fig. 10 is a schematic structural view of a first gasket of the present utility model.

Fig. 11 is a schematic structural view of the base plate of the present utility model.

FIG. 12 is a schematic view of the structure of the main handle of the present utility model.

Fig. 13 is a schematic view of the structure of the outer surface of the cover plate of the present utility model.

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 tool handle capable of quickly replacing functional parts, which is shown in fig. 1, and comprises a main handle 1 and an auxiliary handle, wherein the front end and the rear end of the main handle 1 are respectively provided with a pivot 2, the top of the pivot 2 is connected with an adjusting screw 3, the main handle 1 is also provided with a spring piece 11 integrally formed by the main handle 1, the spring piece 11 is formed by cutting a metal sheet on the abdomen of the main handle 1, the front end of the spring piece 11 is positioned at the front end of the main handle 1 and is tilted upwards relative to the upper surface of the main handle 1, the front end and the rear end of the auxiliary handle are respectively provided with a shaft hole 41 and are assembled on the pivot 2 through the shaft holes 41, and the auxiliary handle is provided with a locking mechanism matched with the adjusting screw 3.

As shown in fig. 1 and 3, in this embodiment, the auxiliary handle includes a bottom plate 4 and a cover plate 5, the shaft hole 41 is disposed on the bottom plate 4, the locking mechanism is disposed between the bottom plate 4 and the cover plate 5, the locking mechanism includes a sliding member 6 and a limiting member, the number of the sliding member 6 is two, and the sliding member is respectively matched with two adjusting screws 3, specifically, a bayonet 61 matched with a shank of the adjusting screw 3 is disposed at a front end of the sliding member 6, a stirring portion 62 protruding from an upper surface is disposed on an upper surface of the sliding member 6, an elongated avoiding groove 51 through which the stirring portion 62 passes is disposed at a position corresponding to the stirring portion 62, a length trend of the elongated avoiding groove 51 coincides with a connecting line of the two shaft holes 41, the stirring portion 62 is operable at an outer side of the cover plate 5, when the stirring portion 62 slides leftwards along the elongated avoiding groove 51 to a first position, the bayonet 61 of the sliding member 6 is matched and locked with the shank of the adjusting screw 3, when the stirring portion 62 slides rightwards along the elongated avoiding groove 51 to a second position, the bayonet 61 of the sliding member 6 is unlocked by the adjusting screw, and the limiting member is disengaged from the auxiliary handle when the auxiliary handle is disposed at the first position and the sliding member 6 is located at the second position.

In this embodiment, as shown in fig. 2 to 6, the limiting member includes a base plate 7 and a pressing plate 8, the base plate 7 and the pressing plate 8 are connected with the base plate 4 through a connecting pin, the base plate 7 is disposed in the middle of the lower portion of the pressing plate 8, the thickness of the base plate is set to be the same as that of the sliding member 6, the pressing plate 8 is disposed above the base plate 7 and is tightly attached to the base plate, the end portion of the pressing plate 8 is disposed above the rear end of the sliding member 6, the lower surface of the end portion of the pressing plate 8 is provided with a first limiting portion 81, the rear end of the sliding member 6 is provided with a second limiting portion 63 and a third limiting portion 64 which are matched with the first limiting portion 81 when the sliding member 6 is disposed at the first position and the bayonet 61 is matched and locked with the shank of the adjusting screw 3, and the first limiting portion 81 is matched with the second limiting portion 63 when the bayonet 61 is disengaged from the shank of the adjusting screw 3.

As shown in fig. 6 and 7, in the present embodiment, the first limiting portion 81 is a protrusion, the second limiting portion 63 and the third limiting portion 64 are both grooves, and when the sliding member 6 is shifted between the first position and the second position, the protrusion slides out of and into the grooves relatively easily, so that the labor is saved.

As a further improvement, as shown in fig. 8, the inner surface of the cover plate 5 is provided with a storage groove for accommodating the sliding member 6, the backing plate 7 and the pressing plate 8, the storage groove comprises a first-stage storage groove 53 which is matched with the thickness of the sliding member 6, and a second-stage storage groove 54 which is matched with the pressing plate 8 to the height of the bottom plate 4, the first-stage storage groove 53 is communicated with the second-stage storage groove 54, the first-stage storage groove 53 can store and guide the sliding member 6, the sliding direction of the sliding member can be limited, and the matching of the bayonet 61 and the nail body of the adjusting screw 3 is ensured.

According to the utility model of the embodiment, when the functional piece 9 needs to be replaced, the auxiliary handle can be detached from the main handle 1 by only operating the locking mechanism to unlock the nail body of the adjusting screw 3, the functional piece 9 pivoted at the front end of the main handle is replaced, the shaft hole 41 of the auxiliary handle is aligned and matched with the pivot 2 of the main handle 1, and the nail body of the adjusting screw 3 is locked through the locking mechanism, so that the assembly connection of the main handle 1 and the auxiliary handle can be completed.

Example 2

The structure of this embodiment is similar to that of embodiment 1, except that, as shown in fig. 9 to 11, the lower surface of the front end of the base plate 4 is provided with a first spacer 42 at a position corresponding to the shaft hole 41, the first spacer 42 is provided with a relief hole concentric with the shaft hole 41, and the aperture of the relief hole is equal to or larger than that of the shaft hole 41, so that the pivot shaft 2 can pass through the relief hole of the first spacer 42.

One side of the first gasket 42 facing the bottom plate 4 is provided with an elastic arm 421 and a clamping hook 422, the bottom of the elastic arm 41 is fixedly connected with the first gasket 42, the clamping hook 422 is arranged at the top of the elastic arm 421, and the clamping hook 422 penetrates through the socket 43 arranged on the bottom plate 4 and then is matched with the upper surface of the bottom plate 4 to be buckled.

As a further improvement, as shown in fig. 12, a second gasket 12 is installed at the position of the pivot sleeve 2 at the front end of the main handle 1, and the second gasket 12 is tightly attached to the upper surface of the main handle 1.

Under the cooperation of the first gasket 42 and the second gasket 12, the functional element 9 assembled on the pivot shaft 2 can be separated from the lower surface of the bottom plate 4 and the upper surface of the main handle 1 by a certain distance, so that the friction force when the functional element 9 rotates around the pivot shaft 2 is reduced.

Example 3

The structure of this embodiment is similar to that of embodiment 2, except that, as shown in fig. 13, the cover plate 5 is provided with an adjustment through hole 52 at a position corresponding to the adjustment screw 3, and the aperture of the adjustment through hole 52 is smaller than the nut outer diameter of the adjustment screw. Thus, the screwdriver head can screw the adjusting screw 3 through the adjusting through hole 52 and can not screw the adjusting screw 3 to be separated from the pivot 2, and the axial tightness of the auxiliary handle and the main handle 1 can be adjusted by screwing the adjusting screw 3, so that the problem that the functional part 9 can shake axially by a small extent or cannot be assembled when being on the pivot 2 due to processing errors can be solved.

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 but tool handle of quick replacement function spare, includes main handle (1) and vice handle, and the front end and the rear end of main handle (1) are equipped with pivot (2) respectively, and the top of pivot (2) is connected with adjusting screw (3), the front end and the rear end of vice handle respectively be equipped with shaft hole (41) and warp shaft hole (41) assemble in pivot (2), vice handle be equipped with adjusting screw (3) complex locking mechanism, characterized in that, vice handle includes bottom plate (4) and apron (5), and front end and the rear end of bottom plate (4) are located in shaft hole (41), locking mechanism locates between bottom plate (4) and apron (5), locking mechanism includes slider (6) and locating part, the front end of slider (6) is equipped with bayonet socket (61) with the nail body complex of adjusting screw (3), the upper surface that outwards protrudes is equipped with on the upper surface of slider (6), apron (5) are equipped with in the position that corresponds to stir portion (62) and are equipped with the rectangular shape groove (51) when dodging to the rectangular shape groove (51) and dodge one and two when rectangular shape groove (51) are parallel, the bayonet (61) of the sliding part (6) is matched and locked with the nail body of the adjusting screw (3), when the poking part (62) slides to the second position along the long-strip-shaped avoidance groove (51), the bayonet (61) of the sliding part (6) is separated from the nail body unlocking of the adjusting screw (3), and the limiting part is connected with the auxiliary handle and is matched with the sliding part (6) to limit the sliding part (6) when the sliding part (6) is located at the first position and the second position.

2. The tool handle capable of quickly replacing functional parts according to claim 1, wherein the limiting parts comprise a base plate (7) and a pressing plate (8), the base plate (7) and the pressing plate (8) are connected with the base plate (4) through connecting nails, the base plate (7) is arranged at the middle part below the pressing plate (8), the pressing plate (8) is tightly attached to the base plate (7), the end part of the pressing plate (8) is located above the rear end of the sliding part (6), the lower surface of the end part of the pressing plate (8) is provided with a first limiting part (81), the rear end of the sliding part (6) is provided with a second limiting part (63) matched with the first limiting part (81), and a third limiting part (64), when the sliding part (6) is located at a first position, the bayonet (61) is matched with the third limiting part (64) in locking mode, and when the sliding part (6) is located at a second position, the bayonet (61) is separated from the nail body of the adjusting screw (3), the first limiting part (63) is matched with the second limiting part (81).

3. The quick change function tool handle according to claim 2, wherein the first limit portion (81) is a protrusion, and the second limit portion (63) and the third limit portion (64) are grooves.

4. A tool handle with quick change function according to claim 3, characterized in that the thickness of the pad (7) is the same as the thickness of the slide (6).

5. Tool handle with quick change function according to any of claims 2 to 4, characterized in that the inner surface of the cover plate (5) is provided with a receiving groove for receiving the slide (6), the backing plate (7) and the press piece (8).

6. The tool handle with the quick-change function according to claim 5, wherein the cover plate (5) is provided with an adjusting through hole (52) at a position corresponding to the adjusting screw (3), and the aperture of the adjusting through hole (52) is smaller than the outer diameter of the nut of the adjusting screw (3).

7. The tool handle capable of quickly changing functional elements according to claim 6, wherein the lower surface of the front end of the bottom plate (4) is provided with a first gasket (42) at a position corresponding to the shaft hole (41), the first gasket (42) is provided with a avoidance hole concentric with the shaft hole (41), and the aperture of the avoidance hole is equal to or larger than the aperture of the shaft hole (41).

8. The tool handle capable of quickly replacing functional parts according to claim 7, wherein one side of the first gasket (42) facing the bottom plate (4) is provided with an elastic arm (421) and a clamping hook (422), the bottom of the elastic arm (421) is fixedly connected with the first gasket (42), the clamping hook (422) is arranged at the top of the elastic arm (421), and the clamping hook (422) is matched with the upper surface of the bottom plate (4) after penetrating through a socket (43) arranged on the bottom plate (4).

9. The tool handle capable of quickly replacing functional parts according to claim 1, wherein the pivot (2) at the front end of the main handle (1) is sleeved with a second gasket (12), and the second gasket (12) is tightly attached to the upper surface of the main handle (1).

10. Tool handle with quick change function according to claim 9, characterized in that the main handle (1) is provided with a spring plate (11), the front end of the spring plate (11) being located at the front end of the main handle (1) and tilted upwards relative to the upper surface of the main handle (1).