CN218457975U

CN218457975U - Rotation locking mechanism and folding tool

Info

Publication number: CN218457975U
Application number: CN202120638194.3U
Authority: CN
Inventors: 毛子梁; 周义鹏; 董伟; 赵群惠
Original assignee: Hangzhou Freetron Industrial Co Ltd
Current assignee: Hangzhou Freetron Industrial Co Ltd
Priority date: 2021-03-30
Filing date: 2021-03-30
Publication date: 2023-02-10
Anticipated expiration: 2031-03-30

Abstract

The utility model discloses a rotation locking mechanism and folding instrument, should rotate locking mechanism includes first rotating-structure and second rotating-structure, first rotating-structure passes through connecting axle rotatable coupling with second rotating-structure, be provided with sliding structure and switch structure on the second rotating-structure, be provided with between sliding structure and the connecting axle and be used for preventing connecting axle and the relative pivoted locking structure one of second rotating-structure, switch structure is used for driving sliding structure to keeping away from the unblock that connecting axle direction slided and carry out locking structure one, or to being close to the locking that connecting axle direction slided and carry out locking structure one. The utility model also discloses a folding tool, including first function main part and second function main part, because be connected through this rotation locking mechanism between first function main part and the second function main part for this folding tool can fold and accomodate, and can carry out the multi-angle and expand fixedly, is convenient for satisfy the user demand of different angles, and simple structure, and the operation is got up easily, laborsaving.

Description

Rotation locking mechanism and folding tool

Technical Field

The utility model relates to the field of household items, especially, relate to a rotation locking mechanism and folding instrument.

Background

The rotation locking mechanism is used among structures or parts of various tools and equipment with large and small sizes, and locks or unlocks relative directions or positions among the structures or the parts so as to realize various application scenes. Folding tools such as folding knives, folding plane knives, folding doors, folding carts, herringbone ladders and other similar folding tools which are frequently used in daily life are generally connected with a folding joint through a rotating shaft, the relevant structure makes folding instrument form the expansion state of different angles through carrying out the rotation of different angles along the axis of rotation to cooperation locking means carries out the relative direction or the position between the relevant structure and carries out the locking, in order to be applicable to different use scenes, or rotates to coincide state, is convenient for accomodate and carry.

The existing locking mechanism is mainly arranged between related structures, the number of the locking mechanisms directly used for circumferential locking of a rotating shaft is small, for example, a patent of a utility model named as a semi-automatic folding knife with a locking device (publication number: CN 205905055U) is issued in 2017, 1 month and 25 days in China, the utility model comprises a knife body and a handle body, the handle body comprises an upper handle body, an upper gasket, a lower handle body and a lower gasket, a locking nail is arranged at a hinged end of the knife body, a semi-circular groove and a triggering part are arranged on the upper gasket, and the locking nail extends into the semi-circular groove and can move along the semi-circular groove, so that the knife body can rotate 0 degree to 180 degrees relative to the handle body. According to the technical scheme, the cutter body and the handle body can be positioned at 0 degree or 180 degrees through the locking nail on the cutter body, the semi-circular groove on the handle body and the triggering part, so that the cutter body and the handle body are convenient to use and fold, but the locking device is arranged between the cutter body and the handle body and is limited by the self structure of the locking device, the locking and positioning angle is limited to 0 degree or 180 degrees, locking at more different angles cannot be performed, and a lot of inconvenience is brought to a user.

Disclosure of Invention

The utility model discloses to not enough among the prior art, provide a rotation locking mechanism and folding instrument, the folding instrument that is equipped with this rotation locking mechanism can fold and accomodate to can carry out the multi-angle and expand fixedly, be convenient for satisfy the user demand of different angles, and simple structure, the operation is got up light, laborsaving.

In order to solve the technical problem, the utility model discloses a following technical scheme can solve:

a rotational locking mechanism comprising a first rotational structure and a second rotational structure, wherein:

the first rotating structure and the second rotating structure are rotatably connected through a connecting shaft, the connecting shaft is arranged along the width direction of the first rotating structure or the second rotating structure, the second rotating structure drives the second rotating structure to convert between a folded state and an unfolded state relative to the first rotating structure when rotating relative to the first rotating structure,

the connecting axle can rotate along with first revolution mechanic second revolution mechanic relatively, be provided with sliding construction and switch structure on the second revolution mechanic, be provided with between sliding construction and the connecting axle and be used for preventing connecting axle and second revolution mechanic relative pivoted locking structure one, the switch structure is used for driving sliding construction to keeping away from the connecting axle direction and slides the unblock that carries out locking structure one, or slides the locking that carries out locking structure one to being close to the connecting axle direction.

Preferably, the locking structure I comprises a locking protrusion I and a plurality of locking grooves I corresponding to the locking protrusion I, the locking protrusion I is arranged on the sliding structure and formed by protruding outwards from the outer wall of the front side of the sliding structure, and the locking grooves I are arranged on the connecting shaft and formed by inwards sinking from the outer wall of the side part of the connecting shaft.

Preferably, the first rotating structure is provided with a first shaft channel for mounting the connecting shaft, the second rotating structure is provided with a second shaft channel for mounting the connecting shaft,

the sliding structure is arranged in the second rotating structure, a containing cavity is formed in the second rotating structure and can be used for allowing the sliding structure to slide along the length direction of the second rotating structure, the containing cavity is provided with a first opening and a second opening, the first opening is arranged inside the second rotating structure, a first locking protrusion can extend into the second shaft channel and is clamped with a first locking groove, the second opening is arranged on the side wall of the second rotating structure, the second opening is arranged along the length direction of the second rotating structure, and the opening and the closing structure move to drive the sliding structure to slide along the length direction of the second rotating structure.

Preferably, the second rotating structure is further provided with a resetting structure, and the resetting structure is arranged between the outer wall of the rear side of the sliding structure and the inner wall of the rear side of the accommodating cavity and used for resetting after the sliding structure moves.

Preferably, the reset structure is a reset spring, a first reset shaft protrudes from the outer wall of the rear side of the sliding structure, a second reset shaft protrudes inwards from the inner wall of the rear side of the accommodating cavity corresponding to the reset shaft, and the first reset shaft and the second reset shaft are used for positioning the reset spring.

Preferably, the switch structure includes operating parts and connecting piece, sliding construction's inside is provided with and is used for the installation cavity of connecting piece, the roof of installation cavity corresponds opening two is provided with opening three, the connecting piece can by opening two and opening three stretch into in the installation cavity, and through buckle structure one with sliding construction connects, the length and/or the width of operating parts are greater than the length and/or the width of opening two, the operating parts can cover the outside of opening two, and after the installation the inboard of operating parts with second rotating-structure's outside counterbalance is leaned on.

Preferably, the first buckle structure comprises a first clamping piece and a first limiting piece arranged corresponding to the first clamping piece, the first clamping piece is arranged on the connecting piece, the first limiting piece is arranged on the installation cavity,

the first clamping piece comprises a first clamping part and/or a second clamping part,

the first clamping part is formed by outwards protruding the outer wall of the rear side of the connecting piece, the first limiting part is arranged corresponding to the first clamping part, the first limiting part is formed by inwards protruding the inner wall of the rear side of the installation cavity, the top wall of the first clamping part abuts against the bottom wall of the first limiting part after installation, and the rear side wall of the connecting piece abuts against the front side wall of the first limiting part;

the second clamping portion is formed by outwards protruding the outer wall of the left side and/or the right side of the connecting piece, the first limiting part corresponds to the second clamping portion and is provided with a second limiting portion, the second limiting portion is formed by inwards protruding the inner wall of the left side and/or the right side of the installation cavity, the top wall of the second clamping portion abuts against the bottom wall of the second limiting portion after installation, and the rear side wall of the second clamping portion abuts against the front side wall of the second limiting portion.

Preferably, the first rotating structure comprises a first rotating part and a second rotating part, the first rotating part and the second rotating part are respectively provided with the first shaft channel, the first rotating part and the second rotating part are respectively correspondingly arranged at two sides of the second rotating structure,

one end of the connecting shaft is provided with a third limiting part, the radius of the third limiting part is larger than that of the first shaft channel, the third limiting part can be covered and installed on the outer side of the first rotating part, and the inner side of the third limiting part after installation is abutted against the outer side of the first rotating part;

the other end of connecting axle is connected with the locking end cover, the locking end cover includes locking portion and end cap portion, the locking portion is connected with the tip buckle of connecting axle, the radius of end cap portion is greater than the radius of axle passageway one, the end cap portion can cover install in rotate the outside of piece two, and after the installation the inboard of end cap portion with the outside of rotating piece two is supported and is leaned on.

Preferably, a second locking structure is arranged between the connecting shaft and the first rotating part, and the second locking structure comprises a second locking protrusion and a second locking groove which is arranged corresponding to the second locking protrusion and is used for preventing the connecting shaft and the first rotating structure from rotating relatively;

second rotating-structure be equipped with rotate a third and through the draw-in groove structure with rotate a rotation piece four of three joints, rotate a third and second rotating-structure integrated into one piece, it is formed with axle groove one to rotate a third, the outside setting of second rotating-structure's tip is followed to the direction of axle groove one, it is formed with axle groove two to rotate a four correspondence axle groove one, the direction and the axle groove one of axle groove two set up on the contrary, it installs the back with the rotation piece four to rotate a three axle groove one and axle groove two combination form axle channel two.

A folding tool, comprising:

a first functional body;

a second functional body;

first function main part and second function main part between pass through the utility model rotation locking mechanism connect, first rotating-structure sets up the one end at first function main part, second rotating-structure sets up the one end at second function main part.

The utility model discloses gain following beneficial effect:

(1) The utility model provides a rotation locking mechanism, because first rotating-structure passes through the connecting axle rotatable coupling with the second rotating-structure, and the connecting axle arranges along the width direction of first rotating-structure or second rotating-structure, can fold the second rotating-structure and draw in relatively first rotating-structure after using up, thus reduced the volume of the folding tool that is equipped with this rotation locking mechanism, portable and deposit;

(2) The utility model provides a rotation locking mechanism, because the connecting axle can rotate along with first rotating-structure relative second rotating-structure, and be provided with locking structure one between sliding structure on the second rotating-structure and the connecting axle, it can carry out the unblock of locking structure one to keep away from the connecting axle direction slip to drive sliding structure through the switch structure on the second rotating-structure, thereby can carry out multi-angle expansion to the second rotating-structure, the switch structure drives sliding structure and can carry out the locking of locking structure one to the slip that is close to the connecting axle direction, thereby carry out the fixed after the multi-angle expansion to the second rotating-structure, be convenient for satisfy different angle user demands, and locking or unblock are convenient, simple structure, easy operation, laborsaving;

(3) The utility model provides a folding tool, because pass through between first functional subject and the second functional subject the utility model provides a rotation locking mechanism connects, therefore has collapsible accomodating, the multi-angle expandes fixedly, locking or unblock convenience, the operation light, laborsaving effect of getting up.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

fig. 1 is a second unfolded state diagram of the folding tool according to an embodiment of the present invention.

Fig. 2 is a first unfolded state diagram of the folding tool according to an embodiment of the present invention.

Fig. 3 is a folded state view of the folding tool according to an embodiment of the present invention.

Fig. 4 is an exploded view of fig. 1.

Fig. 5 is a development state diagram of the second functional main body relative to the first functional main body according to an embodiment of the present invention.

Fig. 6 isbase:Sub>A partial sectional structural view ofbase:Sub>A-base:Sub>A in fig. 5.

Fig. 7-11 are exploded views of a portion of a folding tool according to an embodiment of the present invention.

Detailed Description

In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined below to clearly and completely describe the technical solution of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise direct contact between the first and second features, but rather may be in contact with another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one.

The utility model provides a rotation locking mechanism can be applied to various folding tools that need the rotatable coupling joint, is particularly useful for folding sword, folding planer tool, folding door, folding car, folding tool of a herringbone ladder class or other similar folding tool's rotatable coupling joint department, explains in following its application in one of them folding tool as an example.

As shown in fig. 1-11, as an embodiment of the present invention, a folding tool is disclosed, which is used for processing cheese, potato, carrot, banana, apple and other food materials in early period such as grinding, shredding, strip, sheet, block, etc., the folding tool includes a first functional main body 1 and a second functional main body 2, the first functional main body 1 is used for planing, wiping, grinding, cutting various articles, the second functional main body 2 is used for supporting the gripping of the first functional main body 1 and the folding tool, of course, in other embodiments of different folding tools, the first functional main body 1 and the second functional main body 2 can be set to different functional pieces according to specific structures, for example, when the rotation locking mechanism of the present invention is applied to a standing ladder, the first functional main body 1 can be set to a ladder rack, and the second functional main body 2 is set to a support frame at the rear part of the ladder rack. In this embodiment, the utility model discloses a first rotating-structure 11 among the rotation locking mechanism sets up the one end at first function main part 1, the utility model discloses a second rotating-structure 21 among the rotation locking mechanism sets up the one end at second function main part 2, and first rotating-structure 11 passes through connecting axle 3 rotatable coupling with second rotating-structure 21, and connecting axle 3 arranges along the width direction of first rotating-structure 11 or second rotating-structure 21, can drive the relative first function main part 1 of second function main part 2 when second rotating-structure 21 rotates first rotating-structure 11 relatively and change between fold condition and expansion state. The connecting shaft 3 can rotate relative to the second rotating structure 21 along with the first rotating structure 11, a sliding structure 22 and a switch structure 23 are arranged on the second rotating structure 21, a locking structure 4 used for preventing the connecting shaft 3 and the second rotating structure 21 from rotating relative to each other is arranged between the sliding structure 22 and the connecting shaft 3, and the switch structure 23 is used for driving the sliding structure 22 to slide towards the direction far away from the connecting shaft 3 to unlock the locking structure 4, or slide towards the direction close to the connecting shaft 3 to lock the locking structure 4. In the embodiment, the second functional body 2 can be unfolded relative to the first functional body 1 for use, so that the second functional body is convenient to hold, and the second functional body 2 can be folded relative to the first functional body 1 after use, so that the size is reduced, and the carrying and storage are convenient; drive sliding construction 22 through the switch structure 23 on the second function main part 2 and to keeping away from the 3 orientations of connecting axle and slide and can carry out the unblock of locking structure one 4, thereby can carry out the multi-angle to second function main part 2 and expand, switch structure 23 drives sliding construction 22 and slides to 3 orientations of being close to the connecting axle and can carry out the locking of locking structure one 4, thereby carry out the fixed after the multi-angle is expanded to second function main part 2, be convenient for satisfy the support of different angles and dig, wipe, grind, processing demands such as cut, and locking or unblock are convenient, moreover, the steam generator is simple in structure, the operation is got up easily, and is labor-saving.

As shown in fig. 6-9, as the embodiment of the utility model discloses a locking structure 4 includes the protruding one 41 of locking and a plurality of locking recess one 42 corresponding with the protruding one 41 of this locking, the protruding one 41 of locking sets up on sliding structure 22, the outside protrusion of outer wall from sliding structure 22 front side forms, thereby the structure has been simplified, locking recess one 42 sets up on connecting axle 3, the outside wall from connecting axle 3 lateral part is inside sunken to be formed, thereby the structure has been simplified, sliding structure 22 slides to connecting axle 3 and keeps away from and to make the protruding one 41 of locking and a locking recess 42 phase separation, and then realize the unblock to locking structure one 4, make second rotating structure 21 and connecting axle 3 relatively rotatable, adjust the relative angle between second function main part 2 and the first function main part 1, sliding structure 22 slides to connecting axle 3 and is close to and to inject the protruding one 41 of locking in locking recess one 42, and then realize the locking to locking structure one 4, prevent second rotating structure 21 and connecting axle 3 relatively rotating, adjust the back angle to second function main part 2 and first function main part 1, the fixed angle of regulation, the demand of being convenient for scraping, the grinding, etc. Preferably, the present embodiment is provided with 3 locking recesses one 42, which are respectively disposed at 0 °,45 ° and 180 ° with respect to the first function body 1, wherein, as shown in fig. 3, when the locking projection one 41 is confined in the locking recess one 42 of 0 °, the second function body 2 and the first function body 1 are in the folded state, which can prevent the second function body 2 from being unfolded due to accidental collision, as shown in fig. 2, when the locking projection one 41 is confined in the locking recess one 42 of 45 °, the second function body 2 and the first function body 1 are in the first unfolded state, at this time, can place folding instrument on the level such as chopping board, second function body 2 can be used to the support of first function body 1 one end, it is more stable, laborsaving to use, as shown in fig. 1, when protruding 41 of locking is injectd in 180 locking recess 42, second function body 2 is in the second state of expansion with first function body 1, at this moment, can hold second function body 2 in one hand, grab each area on one hand and dig and wipe article round trip movement on first function body 1 and dig, wipe, grind, cut etc. processing, and folding instrument can remove at will during the use, conveniently move the use. In addition, a side face, close to 0 locking groove 42, of 45 locking groove 42 is arranged to be an inclined face, so that the locking structure 4 is not needed to be unlocked, the locking structure can rotate relative to the second function body 2 relative to the first function body 1, the locking protrusion 41 slides along the inclined face to 0 locking groove 42, the second function body 2 is folded, the operation is simpler, and the folding is facilitated. Of course, in other embodiments, the first locking grooves 42 may be only provided in one or two, and only lock a certain angle or certain two angles formed by the relative rotation of the second functional main body 2 and the first functional main body 1, or be provided in four, five or even more, so that the second functional main body 2 and the first functional main body 1 can be locked in more angles formed by the relative rotation, so as to facilitate the support and use in more angles; this protruding 41 of locking also can set up into the component structure with sliding structure 22, and this locking recess 42 also can set up into the component structure or set up into the through-hole structure with connecting axle 3, and perhaps, this locking structure 4 also can set up into buckle structure or directly support and lean on location structure, and these embodiments also can realize second rotating-structure 21 and the direct locking of connecting axle 3, also should the utility model discloses a within the protection scope.

As shown in fig. 7, as an embodiment of the present invention, an axle channel i 111 for installing the connecting axle 3 is provided on the first rotating structure 11, an axle channel ii 211 for installing the connecting axle 3 is provided on the second rotating structure 21, a containing cavity 24 for allowing the sliding structure 22 to slide along the length direction of the second rotating structure 21 is provided in the second rotating structure 21, the containing cavity 24 is provided with an opening i 241 and an opening ii 242, the opening i 241 is provided inside the second rotating structure 21, the locking protrusion i 41 can be inserted into the axle channel ii 211 from the opening i 241 and engaged with the locking groove i 42, the opening i 242 is provided on the upper side wall of the second rotating structure 21 and arranged along the length direction of the second rotating structure 21, the switch structure 23 partially extends into the opening i 242, the structural design conforms to the human body structure, the second function body 2 can be held while the switch structure is moved along the opening i 242 by the thumb to slide the sliding structure 22 along the length direction of the second rotating structure 21 to unlock or unlock the locking structure i 4. Of course, in other embodiments, the second opening 242 may also be disposed on the left, right, or lower side wall of the second rotating structure 21, so that the switch 23 is disposed on the left, right, or lower side wall of the second rotating structure 21, and the second functional body 2 can be held while the switch structure 23 is moved along the second opening 242 by toggling with the thumb, so as to drive the sliding structure 22 to slide along the length direction of the second rotating structure 21 to unlock or lock the first locking structure 4.

As shown in fig. 9 to 10, as an embodiment of the present invention, the width and height of the sliding structure 22 are smaller than the width and height of the first opening 241, so as to facilitate the detachment of the sliding structure 22 from the first opening 241, and the length and width of the sliding structure 22 are greater than the length and width of the second opening 242, so as to prevent the sliding structure 22 from sliding outside through the second opening 242. Of course, in other embodiments, only the length of the sliding structure 22 may be set to be greater than the length of the second opening 242, or only the width of the sliding structure 22 may be set to be greater than the width of the second opening 242, so as to prevent the sliding structure 22 from sliding from the second opening 242 to the outside; the width or height of the first opening 241 can also be set smaller than the width or height of the sliding structure 22, and the sliding structure 22 can be mounted or dismounted by additionally arranging a mounting channel, so that the use of the sliding structure 22 is not influenced.

As shown in fig. 6 or 10, as an embodiment of the present invention, a reset structure 25 is further disposed on the second rotating structure 21, the reset structure 25 is preferably a reset spring, and is low in cost, and the reset structure 25 is disposed between the outer wall of the rear side of the sliding structure 22 and the inner wall of the rear side of the accommodating cavity 24, and is used for resetting after the sliding structure 22 moves. Specifically, the reset spring is in a micro-compression state under a normal state, and pushes the sliding structure 22 to be away from the inner wall of the rear side of the accommodating cavity 24, so that the locking protrusion one 41 at the end of the sliding structure 22 and the locking groove one 42 on the connecting shaft 3 maintain a clamping state, when the angle of the second functional body 2 needs to be rotated, the toggle switch structure 23 drives the sliding structure 22 to slide along the length direction of the second rotating structure 21 close to the inner wall of the rear side of the accommodating cavity 24, at this time, the reset spring is further compressed, meanwhile, the locking protrusion one 41 at the end of the sliding structure 22 and the locking groove one 42 on the connecting shaft 3 are separated, so that the second rotating structure 21 can rotate at any angle relative to the connecting shaft 3, after the second rotating structure rotates to a required angle, the switch structure 23 is released, and the sliding structure 22 is reset to the locking protrusion one 41 at the end of the sliding structure 22 under the elastic force of the reset spring to be clamped with the locking groove one 42 on the connecting shaft 3. In this embodiment, the reset structure 25 is additionally arranged, so that unlocking or locking operation of the first locking structure 4 is easier and more labor-saving, and the use is more convenient. Of course, in other embodiments, the reset structure 25 may also be an elastic silica gel or other structures that can be used for resetting, and have the same effect.

As shown in fig. 10-11, as the embodiment of the present invention, the outer wall protrusion at the rear side of the sliding structure 22 is formed with the first reset shaft 221, the inner wall corresponding to the first reset shaft 221 at the rear side of the accommodating cavity 24 is formed with the second reset shaft 243 protruding inwards, the two ends of the reset spring can be respectively sleeved on the first reset shaft 221 and the second reset shaft 243, so as to position the reset spring, and prevent the reset spring from generating skew torsion, dislocation, etc. in the moving process to affect the smoothness of the sliding structure 22. In this embodiment, the first reset shaft 221 and the sliding structure 22 are integrally formed, and the second reset shaft 243 and the accommodating cavity 24 are integrally formed, so as to simplify the structure, but in other embodiments, a separate structure may be provided, and only one of the first reset shaft 221 and the second reset shaft 243 may be provided, and also have a positioning function.

As shown in fig. 9-11, as an embodiment of the present invention, the outer wall of the front side of the sliding structure 22 is set to be an arc-shaped structure matched with the side wall of the connecting shaft 3, so as to increase the contact area between the sliding structure 22 and the connecting shaft 3 and enhance the stability of the structure when the sliding structure 22 is locked with the connecting shaft 3.

As shown in fig. 11, as the embodiment of the utility model, switch structure 23 includes operating parts 231 and connecting piece 232, wherein, connecting piece 232 is stretched into by opening two 242 and is connected with sliding structure 22 in holding chamber 24, be convenient for assemble or dismantle, the length and the width of operating parts 231 are greater than the length and the width of opening two 242, operating parts 231 can cover the outside of opening two 242, and the inboard of operating parts 231 after the installation offsets with the outside of second rotating-structure 21, make operating parts 231 closely laminate with second rotating-structure 21, certain limiting displacement has to switch structure 23, be convenient for toggle switch structure 23 along opening two 242 stationary motion, and have better isolation, can prevent that foreign object such as external food residue, sewage or dust from missing and hold chamber 24 inside and influence sliding structure 22's smooth and easy slip. Of course, in other embodiments, only the length of the operation element 231 may be set to be greater than the length of the second opening 242, or only the width of the operation element 231 may be set to be greater than the width of the second opening 242, and a certain limit effect may also be provided for the switch structure 23.

As shown in fig. 10 to 11, as an embodiment of the present invention, the inside of the sliding structure 22 is provided with a mounting cavity 222 for mounting the connecting member 232, the top wall of the mounting cavity 222 is provided with an opening three 2221 corresponding to the opening two 242, and the connecting member 232 can extend into the mounting cavity 222 from the opening two 242 and the opening three 2221, and is connected with the sliding structure 22 through the first fastening structure 26. In this embodiment, the installation cavity 222 is provided to facilitate the assembly or disassembly of the switch structure 23 and the sliding structure 22.

As shown in fig. 10-11, as an embodiment of the present invention, a first buckle structure 26 includes a first buckle part 261 and a first locating part 262 corresponding to the first buckle part 261, the first buckle part 261 is disposed on the connecting part 232, the first locating part 262 is disposed on the installation cavity 24, wherein the first buckle part 261 includes a first buckle part 2611 and a second buckle part 2612, the first buckle part 2611 is formed by outward protrusion of the outer wall of the rear side of the connecting part 232, the first locating part 262 corresponds to the first buckle part 2611 and is provided with a first locating part 2621, the first locating part 2621 is formed by inward protrusion of the inner wall of the rear side of the installation cavity 222, and the top wall of the first buckle part 2611 after installation abuts against the bottom wall of the first locating part 2621, the rear side wall of the connecting part 232 abuts against the front side wall of the first locating part 2621, so that the connecting part 232 and the first locating part 2621 are tightly connected, and the toggle switch structure 23 drives the sliding structure 22 to stably slide towards the inner wall of the rear side of the installation cavity 24. Two 2612 of joint portion are left by connecting piece 232, the outside protrusion of outer wall of right both sides forms, locating part 262 corresponds two 2612 of joint portion and is provided with a left side, two 2622 of two spacing portions in the right side, two 2622 of spacing portion are by the left side of installation cavity 222, the inside protrusion of inner wall of right side both sides forms, and the roof of two 2612 of joint portion after the installation offsets with the diapire of two 2622 of spacing portion, the back lateral wall of two 2612 of joint portion offsets with the preceding lateral wall of two 2622 of spacing portion, make connecting piece 232 and the inseparable joint of two 2622 of spacing portion, it steadily slides to the inner wall that holds the cavity 24 rear side to be convenient for toggle switch structure 23 drives sliding structure 22 more. In this embodiment, a part of the structure of the opening three 2221 located at the front part of the mounting cavity 222 is larger than the width of the connecting element 232, and the first limiting element 262 is only arranged on the inner walls of the rear, left and right sides of the mounting cavity 222, so that the connecting element 232 can extend into the front space in the mounting cavity 222 from the front part of the opening three 2221, the sliding structure 22 slides forward under the thrust of the return spring, and meanwhile, the first limiting element 262 is driven to be clamped with the first clamping element 261, so as to achieve the mounting of the switch structure 23, otherwise, the switch structure 23 is disassembled, and the switch structure is ingenious in structural design and convenient to assemble and disassemble. Of course, in other embodiments, only the first left-side snap-in portion 2611 and the limiting portion 2621, or only the first right-side snap-in portion 2612 and the limiting portion 2622 may be provided; only the first clamping portion 2611 and the first limiting portion 2621 or only the second clamping portion 2612 and the second limiting portion 2621 can be arranged; this first clamping member 261 can be disposed on the installation cavity 24, and this second clamping member 262 can be disposed on the connecting member 232, and these embodiments can also realize the snap connection between the connecting member 232 and the installation cavity 222, and should be within the scope of the present invention.

As shown in fig. 11, as the embodiment of the utility model, still be provided with location portion 2321 on the connecting piece 232, location portion 2321 is by the back of connecting piece 232, a left side, the outside protrusion of outer wall on right side forms, when opening two 242 were followed to switch structure 23, location portion 2321 can move in opening two 242, and it is spacing to lean on the orbit of moving with opening two 242's inside wall counterbalance, compare in the outer wall that directly passes through connecting piece 232 and opening two 242's inside wall counterbalance carry out the orbit spacing, the length and the width of connecting piece 232 have been increased, make connecting piece 232 more firm with opening two 242's connection, be difficult to askew and turn round. Of course, in other embodiments, the positioning portion 2321 may be disposed only on any one or two of the rear, left and right sides of the connecting member 232, and also has a certain function of enhancing the stable connection. In addition, in other embodiments, the positioning portion 2321 may be set to have a certain height, so that the bottom wall of the installed positioning portion 2321 abuts against the first limiting portion 2621 on the rear side of the installation cavity 222 and the top walls of the second limiting portions 2622 on the left and right sides, the clamping tightness between the connecting member 232 and the first limiting portion 262 is further enhanced, and the toggle switch structure 23 is more convenient to drive the sliding structure 22 to slide smoothly towards the inner wall on the rear side of the accommodating cavity 24.

As shown in fig. 7 to 8, as an embodiment of the present invention, the first rotating structure 21 includes a first rotating member 112 and a second rotating member 113, the first rotating member 112 and the second rotating member 113 are respectively provided with a first shaft channel 111, and the first rotating member 112 and the second rotating member 113 are respectively and correspondingly arranged on the left side and the right side of the second rotating structure 21. In this embodiment, by providing the left and right rotating members, the stability of the rotatable connection between the first rotating structure 11 and the second rotating structure 21 is improved, and the use is facilitated. Of course, in other embodiments, only one of the first rotating element 112 or the second rotating element 113 may be provided, or three, four or more rotating elements may be provided to be staggered with the second rotating structure 21, which also enables the first rotating structure 21 to be rotatably connected with the second rotating structure 21, and the present invention should be considered within the scope of the present invention.

As shown in fig. 7-8, as an embodiment of the present invention, one end of the connecting shaft 3 is provided with three limiting portions 31, the radius of the three limiting portions 31 is greater than the radius of the first shaft channel 111, so that the three limiting portions 31 can be covered and installed on the outer side of the first rotating member 112, the inner side of the three limiting portions 31 after installation abuts against the outer side of the first rotating member 112, the other end of the connecting shaft 3 is connected with a locking end cover 32, the locking end cover 32 includes a locking portion 321 and an end cover portion 322, wherein the locking portion 321 is connected with the end of the connecting shaft 3 in a snap-fit manner, so as to facilitate assembly or disassembly, the radius of the end cover portion 322 is greater than the radius of the first shaft channel 111, so that the end cover portion 322 can be covered and installed on the outer side of the second rotating member 113, and the inner side of the end cover portion 322 after installation abuts against the outer side of the second rotating member 113, so that the connecting shaft 3 after installation is fastened with the first rotating member 112, the second rotating member 21, and the ring between the second rotating member 113, and the stability of the overall structure is ensured.

As shown in fig. 8, as an embodiment of the present invention, a locking structure two 5 is disposed between the connecting shaft 3 and the first rotating member 112 for preventing the connecting shaft 3 from rotating relative to the first rotating structure 11, so that the connecting shaft 3 can rotate along with the first rotating structure 11 relative to the connecting shaft 3, and the assembly and the locking are convenient. Of course, in other embodiments, the second locking structure 5 may also be disposed between the connecting shaft 3 and the third limiting portion 31, or between the connecting shaft 3 and the second rotating member 113, or between the locking end cap 32 and the second rotating member 113, and can also prevent the connecting shaft 3 and the first rotating structure 11 from rotating relatively.

As shown in fig. 5, as the embodiment of the utility model discloses, two 5 locking structures include two protruding 51 of locking and correspond two 52 of locking recess that set up with two 51 of locking, two 51 settings of locking are on connecting axle 3, and two 52 settings of locking recess are on rotating a piece 112, and the installation of two 51 protruding locking limits in two 52 locking recesses can realize two 5 locking structures's locking, makes connecting axle 3 can follow and rotate a piece 112 and rotate, the production and the equipment of being convenient for. In this embodiment, the connecting shaft 3 is a plug pin having a first locking groove 42 and a second locking protrusion 51, which is simple to produce and assemble and easy to operate, however, in other embodiments, the connecting shaft 3 may also be a connecting structure such as a pin or a rivet, which can be used for rotationally connecting the first rotating structure 11 and the second rotating structure 21 and can be fixedly connected with the first rotating structure 11, the second locking protrusion 51 may also be disposed on the first rotating member 112, and the second locking groove 52 may be disposed on the connecting shaft 3, which also has the same effect.

As shown in fig. 9, as an embodiment of the present invention, the second rotating structure 21 is provided with a third rotating part 212 and a fourth rotating part 213 connected with the third rotating part 212 through the slot structure 6, wherein the third rotating part 212 and the second rotating structure 21 are integrally formed, the third rotating part 212 is formed with a first axial slot 2121, the first axial slot 212 is outwardly disposed along the end of the second rotating structure 21, so as to facilitate the installation or detachment of the sliding structure 22 and the reset structure 25 through the first opening 241 disposed inside the second rotating structure 21. The second shaft groove 2131 is formed in the fourth rotating part 213 corresponding to the first shaft groove 2121, the direction of the second shaft groove 2131 is opposite to that of the first shaft groove 2121, and the third rotating part 212 and the fourth rotating part 213 are installed, so that the first shaft groove 2121 and the second shaft groove 2131 are combined to form a second shaft channel 211, and assembly or disassembly is facilitated. The slot structure 6 includes a first slot condition 61, a first slot member 62 corresponding to the first slot condition 61, a second slot member 63, and a second slot member 64 corresponding to the second slot member 63, wherein the first slot member 61 and the second slot member 64 are disposed on the third rotating member 212 and are formed by recessing outer walls of two end portions of the third rotating member 212, the first slot member 62 and the second slot member 63 are disposed on the fourth rotating member 213 and are formed by recessing inner walls of two end portions of the fourth rotating member 213, so that the first slot member 61, the first slot member 62, the second slot member 63, and the second slot member 64 after installation are engaged and positioned with each other, thereby achieving tight connection between the third rotating member 212 and the fourth rotating member 213, and the shaft channel two 211 formed by combining the first slot member 2121 and the second slot member 2131 after installation and the shaft channel two formed by recessing the second rotating member 21 directly have substantially the same shape, which does not affect the rotation of the connecting shaft 3 in the shaft channel two 211, and is smooth, in other embodiments, the first slot member 61 and the second slot member 213 are also disposed on the first rotating member 213, and the second slot member 213 have the same effect. In this embodiment, the left and right sides of the third rotating member 212 and the fourth rotating member 213 are further provided with the protruding structures 214, and the outer sides of the protruding connections 214 abut against the inner sides of the first rotating member 112 or the second rotating member 113 or have a slight interval therebetween after installation, so that compared with the case that the left and right sides of the third rotating member 212 and the fourth rotating member 213 abut against the first rotating member 112 and the second rotating member 113 directly, the contact area between the first rotating structure 11 and the second rotating structure 21 is reduced, and the friction force therebetween is reduced, thereby facilitating the rotation of the second rotating structure 21 relative to the first rotating structure 11.

As shown in fig. 7-10, as an embodiment of the present invention, the outer wall of the first rotating part 112 is recessed inwards to form a first sinking part 1121, the third limiting part 31 is located in the first sinking part 1121, and the outer surface of the third limiting part 31 after being installed is flush with the outer surface of the first rotating part 112, so that the lateral part of the third limiting part 31 is hidden in the first sinking part 1121 to prevent the connecting shaft 3 from being influenced by the false collision, and the position of the third limiting part 31 can be limited to avoid deviation. The outer wall of the second rotating part 113 is recessed inwards to form a second sunken part 1131, the end cover part 322 is located in the second sunken part 1131, the outer surface of the installed end cover part 322 is flush with the outer surface of the second rotating part 113, so that the side part of the end cover part 322 is hidden in the second sunken part 1131, the connection shaft 3 is prevented from being mistakenly collided to influence the rotation, the position of the end cover part 322 can be limited, and the deviation is avoided. The outer wall of the second rotating structure 21 is recessed inwards to form a sunken part III 27, the operating part 231 is located in the sunken part III 27, and the outer surface of the mounted operating part 231 is flush with the outer surface of the second rotating structure 21, so that the side part of the operating part 231 is hidden in the sunken part III 27, the locking or unlocking of the connecting shaft 3 by the sliding structure 22 is prevented from being influenced due to mistaken collision, the movement area of the operating part 231 can be limited, and the damage caused by deviation and excessive movement is avoided. Of course, in other embodiments, only one or a combination of two of the first sinking portion 1121, the second sinking portion 1131 or the third sinking portion 27 may be provided, so that the folding tool has some of the above effects.

As shown in fig. 4-5, as an embodiment of the present invention, the first functional body 1 includes a scraping frame 12 and a scraping plate 13 connected to the scraping frame 12, a plurality of scraping blades 131 for scraping various articles are disposed on the scraping plate 13, of course, the specific shape of the scraping blades 131 may be set to different folding tools according to different processing requirements of scraping, rubbing, grinding, cutting, etc., the scraping frame 12 and the scraping plate 13 are preferably made of metal materials such as stainless steel, iron, aluminum, etc., to enhance hardness and facilitate the scraping of articles, and of course, in other embodiments, one or both of the scraping frame 12 or the scraping plate 13 may also be made of other materials such as plastic, ceramic, glass, wood, etc. The free end of the planing frame 12 is provided with an anti-skid structure 14, the anti-skid structure 14 is preferably made of silica gel, soft plastic and other materials, which have a good anti-skid effect, and certainly can also be made of hard plastic or sponge and other materials. First functional unit 1 still forms a complete set and is provided with safety cover 15 and article clamping structure 16, safety cover 15 can be when not using the joint at the upper surface of first functional unit 1, prevent that the mistake from bumping and scotch the finger, simultaneously have dustproof, the effect of separating dirt, article clamping structure 16 includes holder 161 and extruded piece 162, holder 161 can be with various article centre gripping of waiting to plane and wipe and dig after inside again, wipe, grind, cut etc. and handle, can avoid digging and wipe the in-process mistake and hinder the finger, conveniently dig and wipe, extruded piece 162 and holder 161 cooperation are used, can extrude the fritter article of placing in holder 161 and make it lean on and dig and wipe on board 13, be convenient for dig and wipe such as garlic, cheese or the remaining fritter article of large tracts of land after digging and wiping and carry out the processing such as planning, wipe, grind, cut, application scope is wider. The outer wall of the free end of the second functional main body 2 is inwards sunken to form a sunken part four 28, the sunken part four 28 is connected with a holding structure 29, the outer surface of the mounted holding structure 29 is flush with the outer surface of the second functional main body 2, the holding structure 29 is preferably made of plastics, the structure is attractive and elegant, and the cleaning is convenient, of course, the holding structure 29 can also be made of silica gel, metal and other materials in other embodiments, and when the holding structure is made of silica gel, the holding structure further has the effects of holding comfort and skid resistance.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

In short, the above description is only a preferred embodiment of the present invention, and all the equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the scope of the present invention.

Claims

1. The utility model provides a rotation locking mechanism which characterized in that, includes first rotating-structure and second rotating-structure, wherein:

the connecting axle can rotate along with the relative second rotating-structure of first rotating-structure, be provided with sliding construction and switch structure on the second rotating-structure, be provided with between sliding construction and the connecting axle and be used for preventing connecting axle and the relative pivoted locking structure of second rotating-structure one, switch structure is used for driving sliding construction to keeping away from the unblock that the connecting axle direction slided and carry out locking structure one, or to sliding the locking that carries out locking structure one near the connecting axle direction.

2. The rotational lock mechanism of claim 1, wherein: the locking structure one includes protruding one of locking and a plurality of with the protruding corresponding locking recess one of locking, the protruding one setting of locking is in sliding structure is last, certainly the outer wall of sliding structure front side outwards protrusion forms, locking recess one sets up on the connecting axle, certainly the outer wall of connecting axle lateral part inwards caves in and forms.

3. The rotational lock mechanism of claim 2, wherein: the first rotating structure is provided with a first shaft channel for mounting the connecting shaft, the second rotating structure is provided with a second shaft channel for mounting the connecting shaft,

4. The rotational latch mechanism of claim 3 wherein: the second rotating structure is further provided with a reset structure, and the reset structure is arranged between the outer wall of the rear side of the sliding structure and the inner wall of the rear side of the accommodating cavity and used for resetting after the sliding structure moves.

5. The rotational lock mechanism of claim 4, wherein: the reset structure is set to be a reset spring, a first reset shaft protrudes from the outer wall of the rear side of the sliding structure, a second reset shaft protrudes inwards from the inner wall of the rear side of the containing cavity corresponding to the reset shaft, and the first reset shaft and the second reset shaft are used for positioning the reset spring.

6. The rotational lock mechanism according to any one of claims 3 to 5, wherein: the switch structure includes operating parts and connecting piece, sliding construction's inside is provided with and is used for the installation cavity of connecting piece, the roof of installation cavity corresponds opening two is provided with opening three, the connecting piece can by opening two and opening three stretch into in the installation cavity, and through buckle structure one with sliding construction connects, the length and/or the width of operating parts are greater than the length and/or the width of opening two, the operating parts can be covered fit the outside of opening two, and after the installation the inboard of operating parts with second rotating-structure's outside counterbalance is leaned on.

7. The rotational latch mechanism of claim 6 wherein: the first buckle structure comprises a first clamping piece and a first limiting piece arranged corresponding to the first clamping piece, the first clamping piece is arranged on the connecting piece, the first limiting piece is arranged on the installation cavity,

8. The rotational latch mechanism of claim 7 wherein: the first rotating structure comprises a first rotating part and a second rotating part, the first rotating part and the second rotating part are respectively provided with the first shaft channel, the first rotating part and the second rotating part are respectively correspondingly arranged at two sides of the second rotating structure,

9. The rotational lock mechanism of claim 8, wherein: a second locking structure is arranged between the connecting shaft and the first rotating structure and comprises a second locking protrusion and a second locking groove which is arranged corresponding to the second locking protrusion and used for preventing the connecting shaft and the first rotating structure from rotating relatively; second rotating-structure be equipped with rotate three and through the draw-in groove structure with rotate the rotation piece four of three joints, rotate three and second rotating-structure integrated into one piece, it is formed with axle groove one to rotate three, the outside setting of second rotating-structure's tip is followed to the direction of axle groove one, it is formed with axle groove two to rotate four corresponding axle groove one, the direction and the axle groove one of axle groove two set up on the contrary, it installs the back with rotation piece four to rotate a three axle groove one forms with axle groove two combination axle channel two.

10. A folding tool, comprising:

a first functional body;

a second functional body;

the first functional body and the second functional body are connected by a rotation lock mechanism according to any one of claims 1 to 9, the first rotation structure is provided at one end of the first functional body, and the second rotation structure is provided at one end of the second functional body.