CN212970767U - Multifunctional garden tool - Google Patents

Abstract

The utility model relates to a multi-functional garden instrument, include: the gear box is provided with an output shaft, and a fixing piece is arranged on the gear box; the quick-change connector is provided with a first position and a second position on the fixing piece, when the fixing piece is positioned at the first position, the fixing piece is clamped into the quick-change connector, and when the fixing piece is positioned at the second position, the fixing piece can be separated from the quick-change connector; the locking mechanism is locked with the gear box when the fixing piece is positioned at the first position; and when the fixing piece is positioned at the first position, the output shaft is connected with the connecting shaft of the functional head. When installing new function head, insert the mounting second position that has the quick change coupler of new function head, switch the mounting to primary importance again, make quick change coupler and gear box joint to lock quick change coupler and gear box through locking mechanical system, accomplish being connected of function head and gear box, the operation of changing the function head is succinct convenient, need not to use supplementary extracting tool, has promoted user's use greatly and has experienced.

Description

Multifunctional garden tool

Technical Field

The utility model relates to a garden instrument especially relates to a multi-functional garden instrument.

Background

In the garden work, lawns, gardens and shrubs are frequently required to be trimmed, and the brush-cutting grass trimmer is a common trimming tool and adopts the principle that power is generated through a gear box to drive a functional head to rotate so as to cut grass or brush. The brush cutter needs to use different functional heads when trimming different objects, such as assembling a brush head when trimming a lawn and assembling a brush head when trimming shrubs. When switching the functional head, need will install the functional head on the gear box and pull down and install new functional head, dismantle and the installation usually need instrument such as spanner, screwdriver or electronic wholesale, the dismouting process is very troublesome.

SUMMERY OF THE UTILITY MODEL

Based on this, it is necessary to provide a multi-functional garden instrument to the loaded down with trivial details problem of functional head switching operation, change functional head that can be convenient to adapt to different scenes.

A multi-functional garden tool, comprising:

the gear box is provided with an output shaft, and a fixing piece is arranged on the gear box;

the quick-change connector comprises a quick-change connector and a fixing piece, wherein the fixing piece is provided with a first position and a second position on the quick-change connector, the fixing piece is clamped into the quick-change connector when the fixing piece is positioned at the first position, and the fixing piece can be separated from the quick-change connector when the fixing piece is positioned at the second position;

the locking mechanism is arranged on the quick-change connector, and when the fixing piece is positioned at a first position, the locking mechanism is locked with the gear box;

the functional head comprises a connecting shaft, and when the fixing piece is located at the first position, the output shaft is connected with the connecting shaft.

Above-mentioned multi-functional garden instrument, the function head is established on quick-change connector with the output shaft of gear box, can drive the operation that the function head rotated and realizes mowing or cutting the bush when the output shaft rotates. When the switching of the functional head is to be carried out, the switching of the fixing element from the first position to the second position can cause the fixing element to disengage the quick-change coupling, and the quick-change coupling and the functional head to be detached. When installing new functional head, insert the mounting second position that has the quick change coupler of new functional head, switch the mounting to primary importance again, make quick change coupler and gear box joint to lock quick change coupler and gear box through locking mechanical system, accomplish being connected of functional head and gear box, the operation of changing the functional head is succinct convenient, need not to use extracting tool such as spanner, screwdriver, has promoted user's use greatly and has experienced.

In one embodiment, a sliding clamping groove is formed in the quick-change connector along the circumferential direction, and the fixing piece is clamped from one end of the sliding clamping groove and slides to the other end along the sliding clamping groove; the fixing piece is located at the first position when being clamped into the clamping groove, and the fixing piece is located at the second position when rotating to the end part of the sliding clamping groove. When dismantling, installing the function head, the position of mounting switches is an important ring, and quick change coupler lies in the gearbox and rotates relatively, and the mounting can switch each other between primary importance and second place, and the position through rotating the switching mounting is convenient easy and do not need extracting tool, has made things convenient for the change of function head.

In one embodiment, the fixing member has a rod body and a head connected to the rod body, and the sliding clamping groove includes: the first insertion groove is communicated with the first sliding groove, and when the end head is inserted into the first insertion groove, the fixing piece is located at a second position; when the rod body is screwed into the end part of the first sliding groove, the fixing piece is located at the first position.

In one embodiment, the quick-change coupler comprises: the casing, establish locating plate in the casing, first insertion groove with first sliding tray sets up on the casing, seted up on the locating plate: a second insertion groove corresponding to the first insertion groove, and a second sliding groove corresponding to the first sliding groove; the positioning plate is provided with a protrusion, so that the positioning plate is provided with a first height and a second height, the second insertion groove is formed in the first height, the second sliding groove extends from the first height to the second height along the screwing-in direction of the rod body, and the second height is lower than the first height. When the end of the fixing piece is inserted into the first insertion groove, the second insertion groove is penetrated through at the same time, the rod body of the fixing piece penetrates through the first insertion groove and the second insertion groove at the same time, the end is located below the second insertion groove, a certain gap is formed between the end of the fixing piece and the positioning plate instead of being attached to the positioning plate, and the phenomenon that the fixing piece cannot slide in the first sliding groove and the second sliding groove due to the fact that the end enters the second insertion groove is avoided. When the rod body slides to the end parts of the first sliding groove and the second sliding groove, the rod body is abutted against one ends of the first sliding groove and the second sliding groove, and a certain gap is reserved between the end head and the positioning plate, so that the position between the quick-change connector and the gear box along the axial direction of the rod body is easy to appear. In the embodiment, the second sliding groove extends from top to bottom, the rod body slides to the end position of the second sliding groove, namely the first position, the end head can abut against the protrusion of the positioning plate, in the sliding process of the fixing part, the protrusion on the positioning plate fills the gap between the end head and the positioning plate, and the phenomenon that the fixing part moves along the axis when in the first position to cause the contact matching of the output shaft of the gear box and the connector of the functional head is avoided.

In one embodiment, a supporting portion is disposed in the housing, the supporting portion is disposed at the bottom of the positioning plate, and portions of the supporting portion corresponding to the second insertion groove and the second sliding groove are hollowed out to form a sliding space for the fixing element to slide. The supporting part supports the positioning plate, a sliding space for the end of the fixing part to slide is reserved, the stress strength of the quick-connection end is enhanced, and meanwhile, production materials are saved.

In one embodiment, the gear box is provided with a locking groove along the radial direction, and the locking mechanism comprises:

the locking cavity is arranged on the quick-change connector;

the locking rod penetrates through the locking cavity, and when the fixing piece is located at the first position, the locking rod is opposite to the locking groove;

and the elastic piece is arranged in the locking cavity and applies elastic force for inserting the locking groove to the locking rod. The fitting of the fixing member with the housing fixes the gear case with the housing in the axial direction of the gear case, and the fixing mechanism locks the gear case in the radial direction of the gear case.

In one embodiment, the locking lever includes: the rod body penetrates through the locking cavity, and the displacement piece is arranged in the locking cavity and connected with the rod body, and the displacement piece is abutted to the elastic piece. The mounting is located the primary importance, and locking lever aligns with the locking groove this moment, and under the elastic force effect of elastic component, the locking lever is automatic to get into the locking inslot and is accomplished the locking, has realized cutting the installation of irritating head and quick change coupler on the gear box, need not the user and carries out the locking operation and can accomplish by oneself, has reduced user's operation burden greatly.

In one embodiment, the locking mechanism further comprises: the locking mechanism comprises a locking cavity, a cover body covering the locking cavity, the cover body is connected with the locking cavity in a sliding mode, a rod tail end is arranged on one side, far away from the gear box, of the locking rod, the rod tail end is clamped into the cover body, and the cover body pulls out the rod body from the locking groove when sliding towards the direction far away from the gear box.

In one embodiment, the quick-change coupler further comprises: and the bearing is fixed on the inner ring of the shell, and the connecting shaft of the functional head is arranged in the bearing.

In one embodiment, the connecting shaft is provided with a protruding ring, and the protruding ring is arranged on the top of the bearing in a bridging mode. The connecting shaft can not be separated from the bearing, and the upper end of the connecting shaft is exposed in the cavity of the shell and can be connected with the output shaft.

Drawings

FIG. 1 is a schematic view showing a grass-mowing head mounted on a gear case in one embodiment;

FIG. 2 is a schematic view of a coupling with a brush head mounted on a gear housing in accordance with an embodiment of the present invention;

FIG. 3 is an exploded view of a gearbox and quick-change coupler according to one embodiment;

FIG. 4 is a schematic view of a fastener on a quick-change coupler according to one embodiment;

fig. 5 is an exploded schematic view of a quick-change connector according to an embodiment, which mainly shows an internal structure of the quick-change connector;

FIG. 6 is a schematic diagram of the positioning plate and the supporting portion of the quick-change coupler according to an embodiment;

FIG. 7 is a schematic view of an embodiment of a positioning plate;

FIG. 8 is a schematic view of the internal structure of the locking mechanism in one embodiment;

FIG. 9 is a cross-sectional view of a locking mechanism in one embodiment.

Wherein: 1. a gear case; 11. an output shaft; 12. a skirt edge; 121. a locking groove; 13. a fixing member; 14. an insertion section; 131. a rod body; 132. a tip; 2. a quick-change connector; 21. a housing; 211. a cavity; 22. a first insertion slot; 23. a first sliding groove; 24. positioning a plate; 25. a second insertion slot; 26. a second sliding groove; 27. a protrusion; 28. a support portion; 29. a bearing; 3. a functional head; 31. a connecting shaft; 32. grass cutting head; 33. cutting a brush head; 4. a locking mechanism; 41. a locking cavity; 42. a locking lever; 421. a rod body; 422. a displacement member; 423. a rod tail end; 43. an elastic member; 44. a cover body.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and the following detailed description. It should be understood that the detailed description and specific examples, while indicating the scope of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The utility model discloses a first embodiment relates to a multi-functional garden instrument for prune lawn, garden, bush etc. in this embodiment, multi-functional garden instrument typically can be for cutting and irritating the grass cutter, also can be other garden instrument of course, does not specifically limit in this embodiment. The brush cutter needs to use different functional heads 3 when cutting different objects, as shown in fig. 1, 2 and 3, a brush head 32 is assembled when cutting a lawn, a brush head 33 is assembled when cutting a shrub, and the functional head 3 can be other types of functional heads facing other cutting requirements, and is not limited to the brush head 33 and the brush head 32. When switching the functional head 3, need will install the functional head 3 on the gear box 1 and pull down and install new functional head 3, dismantle and the installation usually need instrument such as spanner, screwdriver or electronic wholesale, the dismouting process is very troublesome.

The multifunctional garden tool in the embodiment can conveniently replace the functional head 3 without a disassembling tool, and the disassembling method and the disassembling operation are very convenient. As shown in fig. 2 and 3, the multi-functional garden tool in the present embodiment includes: gear box 1, quick-change coupler 2, functional head 3 and locking mechanical system 4. The functional head 3 is arranged on the quick-change connector 2, the locking mechanism 4 locks the quick-change connector 2 on the gear box 1, and the functional head 3 is connected with the output shaft 11 of the gear box 1 after the quick-change connector 2 is arranged on the gear box 1. When replacing the function head 3, it is only necessary to unlock the locking mechanism 4 and mount the quick-change coupler 2 with the new function head 3 on the gear case 1.

As shown in fig. 3, the quick-change coupler 2 has an annular housing 21, a cavity 211 is formed in the middle of the annular housing 21, the functional head 3 has a connecting shaft 31, the connecting shaft 31 is located in the cavity 211 of the annular housing 21, and when the quick-change coupler 2 is mounted on the gear box 1, the output shaft 11 of the gear box 1 enters the cavity 211 and is connected to the connecting shaft 31 of the functional head 3, so that the gear box 1 can drive the functional head 3 to rotate.

The bottom of gear box 1 forms shirt rim 12, offsets with the up end of annular casing 21, wherein wears to be equipped with mounting 13 on the shirt rim 12, and mounting 13 can be stud, as shown in fig. 3-5, and mounting 13 includes the body of rod 131 and establishes the end 132 at the body of rod 131 both ends, has seted up the slip joint groove along the axial on the terminal surface of annular casing 21, and the slip joint groove includes: a first insertion groove 22, and a first slide groove 23 communicating with the first insertion groove 22. Wherein the first insertion groove 22 may be a circular groove, the first sliding groove 23 is a kidney-shaped groove, and the inner diameter of the first insertion groove 22 is subject to the width of the first sliding groove 23. The end 132 of the fixing member 13 can be inserted into the first insertion groove 22 but cannot directly enter the first sliding groove 23, and the width of the first sliding groove 23 is greater than or equal to the outer diameter of the rod 131, so that the rod 131 can slide in the first sliding groove 23. When the quick-change connector 2 is installed, the end 132 of the fixing member 13 is first inserted into and passes through the first insertion groove 22, and the rod 131 of the fixing member 13 is located in the first insertion groove 22, which is the second position of the fixing member 13 on the quick-change connector 2; next, the quick-change coupler 2 is rotated so that the rod 131 of the fixing member 13 slides in the first sliding groove 23, and the fixing member 13 slides to the end of the first sliding groove 23, which is the first position of the fixing member 13 on the quick-change coupler 2. When the fixing piece 13 is located at the first position, the output shaft 11 of the gear box 1 enters the cavity 211 of the annular shell 21 and is connected with the connecting shaft 31 in the cavity 211; then, with the fixing 13 in the first position on the quick-change coupling 2, the quick-change coupling 2 is locked on the gearbox 1 by means of the fixing mechanism, and the mounting of the quick-change coupling 2 and the functional head 3 on the gearbox 1 is completed. Dismantle, during installation function head 3, mounting 13 switches between primary importance and second place, can realize quick-change coupler 2 locking and unblock on gear box 1, the structure cooperation of slip joint groove and mounting 13, make mounting 13 when quick-change coupler 2 rotates with gear box 1 relatively, can accomplish mounting 13 and switch each other between primary importance and second place, the position that rotates switching mounting 13 is convenient easy and need not extracting tool, make things convenient for the dismouting step of function head, the dismouting time has been saved. In the present embodiment, three fixing members 13 are equidistantly provided on the skirt 12, and at the same time, three first insertion grooves 22 and three first sliding grooves 23 are also provided on the upper end surface of the housing 21, and one fixing member 13 corresponds to one first insertion groove 22 and one first sliding groove 23. The three fixing pieces 13 are simultaneously clamped in the first sliding grooves 23, so that the stability of clamping of the gear box 1 and the quick-change connector 2 is improved.

As shown in fig. 5, 6 and 7, the quick-change coupler 2 further includes: a positioning plate 24 arranged in the housing 21, wherein the positioning plate 24 is provided with a second insertion groove 25 corresponding to the first insertion groove 22 and a second sliding groove 26 corresponding to the first sliding groove 23; the positioning plate 24 is formed with a protrusion 27 to make the positioning plate 24 have a first height and a second height, the second insertion groove 25 is located at the first height, the second sliding groove 26 extends from the first height to the second height along the screwing direction of the rod 131, and the second height is lower than the first height. That is, in the present embodiment, the extending direction of the second sliding groove 26 extends from top to bottom, when the end 132 of the fixing member 13 is inserted into the first insertion groove 22, the second insertion groove 25 is also penetrated, the rod 131 of the fixing member 13 penetrates the first insertion groove 22 and the second insertion groove 25 at the same time, and the end 132 is located below the second insertion groove 25, so as to ensure smooth sliding of the fixing member 13, a certain gap is always formed between the end 132 of the fixing member 13 and the positioning plate 24, rather than being attached to the positioning plate 24, so as to avoid that the fixing member 13 cannot slide in the first sliding groove 23 and the second sliding groove 26 due to the end 132 entering the second insertion groove 25. When the rod 131 slides to the ends of the first sliding groove 23 and the second sliding groove 26, the rod is abutted against one end of the first sliding groove 23 and one end of the second sliding groove 26, and at this time, a certain gap is still left between the end 132 and the positioning plate 24, so that the position between the quick-change connector 2 and the gear box 1 along the axial direction of the rod 131 is easy to occur. In the embodiment, since the second sliding groove 26 extends from top to bottom, when the rod 131 slides to the end position of the second sliding groove 26, i.e. the first position, the end 132 will abut against the protrusion 27 of the positioning plate 24, and in the sliding process of the fixing member 13, the protrusion 27 on the positioning plate 24 fills the gap between the end 132 and the positioning plate 24, thereby avoiding the occurrence of the situation that the fixing member 13 moves along the axis in the first position, which leads to the contact and matching between the output shaft 11 of the gear box 1 and the connector of the functional head 3.

In addition, a supporting portion 28 is disposed in the housing 21, the supporting portion 28 is disposed at the bottom of the positioning plate 24, and portions of the supporting portion 28 corresponding to the second insertion groove 25 and the second sliding groove 26 are hollowed out to form a sliding space for the fixing element 13 to slide. The support portion 28 supports the positioning plate 24 and leaves a sliding space for the end 132 of the fixing member 13 to slide, so that the stress strength of the quick-connection end 132 is enhanced, and meanwhile, the production material is saved.

As shown in fig. 4, the quick-change coupler 2 further includes: a bearing 29 arranged on the inner ring of the housing 21, and a connecting shaft 31 of the functional head 3 arranged in the bearing 29, wherein the inner ring of the housing 21 is provided with a fixing pattern on the projection 27, and the fixing pattern enables the bearing 29 to be in interference fit with the housing 21, so that the bearing 29 is tightly embedded in the inner ring of the housing 21. The connecting shaft 31 of the functional head 3 is a stepped shaft, the upper end of the connecting shaft 31 is provided with a protruding ring, the protruding ring is coaxial with the connecting shaft 31 and has an outer diameter larger than that of the connecting shaft 31, the protruding ring is erected on the top of the bearing 29, so that the connecting shaft 31 cannot be separated from the bearing 29, and meanwhile, the upper end of the connecting shaft 31 is exposed in the cavity 211 of the shell 21 and can be connected with the output shaft 11. The connection mode of the connection shaft 31 and the output shaft 11 can be many, for example, by respectively providing a male coupler and a female coupler on the connection shaft 31 and the output shaft 11, in this embodiment, the output shaft 11 is a spline shaft, a spline hole is provided on the connection shaft 31, and when the quick change coupler 2 is mounted on the gear box 1, the output shaft 11 is inserted into the spline hole of the connection shaft 31, so as to realize the synchronous rotation of the connection shaft 31 and the output shaft 11.

It should be noted that, as shown in fig. 3, the gear box 1 protrudes downward to form an embedded portion 14, when the quick-change coupler 2 is mounted on the gear box 1, the embedded portion 14 enters a cavity 211 in the quick-change coupler 2, the cavity 211 is filled, vibration between the gear box 1 and the quick-change coupler 2 is avoided, a sealing ring can be sleeved on the embedded portion 14, and the embedded portion is sealed with the quick-change coupler 2, so that dust or impurities are prevented from entering the cavity 211 to affect the connection between the connecting shaft 31 and the output shaft 11.

As can be seen from the above, the engagement of the fixing member 13 with the housing 21 fixes the gear case 1 with the housing 21 in the axial direction of the gear case 1, and the lock mechanism 4 locks the gear case 1 in the radial direction of the gear case 1. The skirt 12 of the gear housing 1 is provided with a locking groove 121 along a radial direction, and with reference to fig. 2 and 8, the locking mechanism 4 includes: when the fixing piece 13 is located at the first position on the quick-change connector 2, the locking groove 121 is opposite to the locking rod 42, the elastic piece 43 pushes the locking rod 42 to be clamped into the locking groove 121 due to restoring force, the locking mechanism 4 locks the quick-change connector 2 and the gear box 1 in the radial direction, so that relative rotation between the quick-change connector 2 and the gear box 1 is prevented, axial locking between the quick-change connector 2 and the gear box 1 is realized by matching of the fixing piece 13 and the first insertion groove 22 and the first sliding groove 23 on the quick-change connector 2, relative movement between the quick-change connector 2 and the gear box 1 is prevented, so that comprehensive locking between the quick-change connector 2 and the gear box 1 is realized, and relative movement or rotation between the quick-change connector 2 and the gear box 1 cannot occur.

Referring to fig. 8 and 9, the locking cavity 41 is hollow, the locking rod 42 penetrates through the locking cavity 41, and both ends of the locking rod 42 are located outside the locking cavity 41, and the elastic member 43 may be a spring or another elastic member 43. The locking lever 42 includes: a rod body 421 penetrating through the locking cavity 41, and a displacement member 422 disposed in the locking cavity 41, wherein the displacement member 422 is connected to the rod body 421 and extends in a radial direction of the rod body 421, and one end of the elastic member 43 abuts against an inner wall of the locking cavity 41, and the other end abuts against the displacement member 422, in this embodiment, the displacement member 422 is a plate fixed on the rod body 421, and in some embodiments, the displacement member 422 may also be a fixed block or the like; the outer diameter of the displacement member 422 is larger than that of the rod body 421, so that the elastic member 43 sleeved on the rod body 421 can abut against the displacement member 422, thereby applying an acting force to the displacement member 422 and the locking rod 42 in the direction of the gear box 1. When the fixing piece 13 is at the first position, the locking rod 42 is abutted against the skirt 12 under the action force of the elastic piece 43, when the fixing piece 13 is screwed to the first position, the locking rod 42 is opposite to the locking groove 121, and under the pushing of the elastic piece 43, the locking rod 42 enters the locking groove 121 to complete clamping, so that the gear box 1 is locked.

The lock mechanism 4 further includes: cover body 44 covering locking chamber 41, cover body 44 and locking chamber 41 slidable connection, the one end that pole body 421 keeps away from gear box 1 and protrusion outside locking chamber 41 is pole tail end 423, and pole tail end 423 blocks in cover body 44, when pulling cover body 44 towards the direction of keeping away from gear box 1, drives locking lever 42 simultaneously and removes towards the direction of keeping away from gear box 1, pulls out locking lever 42 from locking groove 121. The gear case 1 is unlocked by the lock mechanism 4. The unlocking of the gear box 1 and the quick-change connector 2 can be realized by pulling the cover body 44, the operation is convenient and quick, and the replacement time of the functional head 3 is saved.

The functional head 3 in this embodiment is integrated with the quick-change connector 2, and when the cutting object needs to be replaced, the quick-change connector 2 with the new functional head 3 is replaced on the gear box 1. For example, the quick-change connector 2 with the grass cutting head 32 is mounted on the gear box 1, and now the grass cutting head 32 is replaced by the brush cutting head 33, firstly the cover 44 of the locking mechanism 4 is held by hand to be pulled outwards, the locking rod 42 is pulled out of the locking groove 121 of the skirt 12 of the gear box 1, the rotation locking of the quick-change connector 2 and the gear box 1 is released, any one of the gear box 1 or the quick-change connector 2 is rotated, the fixing piece 13 is switched from the first position to the second position, the fixing piece 13 penetrates through the first insertion groove 22 and the second insertion groove 25 when in the second position, at this time, the fixing piece 13 can be pulled out of the first insertion groove 22 and the second insertion groove 25, and meanwhile, the output shaft 11 is in spline fit contact with the connecting shaft 31, and the detachment of the grass cutting head 32 and the quick-. And then the quick-change coupler 2 with the brush cutter 33 is mounted on the gear box 1, the fixing piece 13 is inserted into and penetrates through the first insertion groove 22 of the quick-change coupler 2, the fixing piece 13 is screwed to the end part of the first sliding groove 23, so that the fixing piece 13 is located at the first position, the locking rod 42 is aligned with the locking groove 121, and under the elastic force of the elastic piece 43, the locking rod 42 automatically enters the locking groove 121 to complete locking, so that the brush cutter 33 and the quick-change coupler 2 are mounted on the gear box 1.

By last, multi-functional garden instrument among this embodiment, the operation is very convenient when changing the function head, need not with the help of any extracting tool, and easy operation is swift, can promote user's use greatly during the use and experience.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. A multi-functional garden tool, its characterized in that includes:

the gearbox (1), the gearbox (1) has output shafts (11), and the gearbox (1) is provided with a fixing piece (13);

a quick-change coupling (2), the holder (13) having a first position and a second position on the quick-change coupling (2), the holder (13) being snapped into the quick-change coupling (2) when the holder (13) is in the first position, the holder (13) being disengageable from the quick-change coupling (2) when the holder (13) is in the second position;

the locking mechanism (4) is arranged on the quick-change connector (2), and when the fixing piece (13) is located at the first position, the locking mechanism (4) is locked with the gear box (1);

the functional head (3) comprises a connecting shaft (31), and when the fixing piece (13) is located at the first position, the output shaft (11) is connected with the connecting shaft (31).

2. The multifunctional garden tool as claimed in claim 1, wherein a sliding clamping groove is formed in the quick-change connector (2) along the circumferential direction, and the fixing piece (13) is clamped into one end of the sliding clamping groove and rotates along the axis of the gear box; the fixing piece (13) is clamped into the sliding clamping groove and located at the first position, and the fixing piece (13) rotates to the end part of the sliding clamping groove and located at the second position.

3. The multi-functional gardening tool according to claim 2, wherein the fixing member (13) has a shaft body (131) and a tip (132) connected to the shaft body (131), the slide catching groove comprises: a first insertion groove (22) for inserting the end head (132), and a first sliding groove (23) for sliding the rod body (131), wherein the first insertion groove (22) is communicated with the first sliding groove (23), and when the end head (132) is inserted into the first insertion groove (22), the fixing piece (13) is located at a second position; when the rod body (131) is screwed into the end part of the first sliding groove (23), the fixing piece (13) is located at the first position.

4. The multi-purpose garden tool according to claim 3, characterized in that the quick-change coupler (2) comprises: casing (21), establish locating plate (24) in casing (21), first insertion groove (22) with first sliding tray (23) are seted up on casing (21), seted up on locating plate (24): a second insertion groove (25) corresponding to the first insertion groove (22), and a second slide groove (26) corresponding to the first slide groove (23); a bulge (27) is formed on the positioning plate (24), so that the positioning plate (24) has a first height and a second height, the second insertion groove (25) is formed in the first height, the second sliding groove (26) extends from the first height to the second height along the screwing-in direction of the rod body (131), and the second height is lower than the first height.

5. The multi-functional garden tool according to claim 4, wherein a support portion (28) is provided in the housing (21), the support portion (28) is provided at the bottom of the positioning plate (24), and portions of the support portion (28) corresponding to the second insertion groove (25) and the second sliding groove (26) are hollowed out to form a sliding space for the fixing member (13) to slide.

6. The multi-functional garden tool according to any one of claims 1 to 5, wherein the gear box (1) is radially provided with locking grooves (121), and the locking mechanism (4) comprises:

a locking chamber (41) provided on the quick-change coupling (2);

the locking rod (42) penetrates through the locking cavity (41), and when the fixing piece (13) is located at the first position, the locking rod (42) is opposite to the locking groove (121);

and an elastic member (43) provided in the locking chamber (41) and applying an elastic force to the locking rod (42) to be inserted into the locking groove (121).

7. The multi-functional garden tool, as set forth in claim 6, characterized in that the locking lever (42) comprises: the rod body (421) penetrates through the locking cavity (41), and the displacement piece (422) is arranged in the locking cavity (41) and connected with the rod body (421), and the displacement piece (422) is abutted to the elastic piece (43).

8. The multi-functional garden tool, as set forth in claim 7, characterized in that the locking mechanism (4) further comprises: cover the cover body (44) of locking chamber (41), cover body (44) with locking chamber (41) sliding connection, locking lever (42) are keeping away from one side of gear box (1) has pole tail end (423), pole tail end (423) card is gone into cover body (44), cover body (44) are keeping away from when gear box (1) direction slides will pole body (421) are followed pull out in locking groove (121).

9. The multi-purpose garden tool according to claim 4, characterized in that the quick-change coupler (2) further comprises: and the bearing (29) is fixed on the inner ring of the shell (21), and the connecting shaft (31) of the functional head (3) is arranged in the bearing (29).

10. The multi-functional garden tool according to claim 9, characterized in that the connection shaft (31) is provided with a protruding ring, which is set up on top of the bearing (29).

Images