CN2880399Y - Removable Garden Tool Unit - Google Patents

Abstract

The utility model relates to a detachable gardening tool device, which comprises a grab handle, a tool unit and a connecting unit; the handle is provided with a first end part and a second end part opposite to the first end part along an axial direction; the tool unit has a mounting end; the connecting unit is provided with a first connecting part connected with one of the second end part and the mounting end part, a second connecting part connected with the other of the second end part and the mounting end part, a screw cap rotatably and movably mounted on the first connecting part, a positioning block arranged on one of the first connecting part and the second connecting part, and a positioning groove arranged on the other of the first connecting part and the second connecting part, wherein when the screw cap is in threaded connection with the second connecting part, the positioning block is embedded and clamped in the positioning groove. The utility model discloses can dismantle the separation and convenient to use person accomodate and carry with grab handle and instrument unit to still can supply the user to carry out the horticulture work of multiple difference, and have multi-functional use efficiency.

Description

Removable Garden Tool Unit

technical field

The utility model relates to a gardening tool, in particular to a detachable and replaceable gardening tool device which is convenient for disassembly and storage and has multifunctional use functions.

Background technique

Existing gardening tools in the past, such as gardening tools such as shovels, rakes and saws, when users want to engage in gardening work, they can carry different gardening tools respectively according to the needs of use at that time, so as to facilitate various gardening tasks. , this kind of gardening tool cannot be disassembled because the handle and the front-end tools (such as shoveling board, rake claw and saw blade) are connected into one, so not only will it produce a large packaging volume when manufacturing and selling, but also It is not convenient for users to store and carry. In addition, such existing gardening tools often only have a single function. Therefore, when users want to perform various gardening tasks, they often need to carry multiple tools at the same time, which is very troublesome and inconvenient.

This shows that above-mentioned existing garden tool obviously still has inconvenience and defect in structure and use, and urgently needs to be further improved. In order to solve the problems of gardening tools, relevant manufacturers have tried their best to find a solution, but no suitable design has been developed for a long time, and general products do not have a suitable structure to solve the above problems. This is obviously a problem. Issues that relevant industry players are eager to solve. Therefore how to create a detachable and replaceable gardening tool device with a novel structure has become a goal that the current industry needs to improve.

In view of the defects of the above-mentioned existing gardening tools, the designer, based on his rich practical experience and professional knowledge in the design and manufacture of such products for many years, and with the application of academic theory, actively researched and innovated, in order to create a new type of structure. The removable gardening tool device can improve common existing gardening tools to make them more practical. Through continuous research, design, and after repeated trial samples and improvements, the utility model with practical value is finally created.

Contents of the invention

The purpose of this utility model is to overcome the defects existing in the existing gardening tools and provide a detachable gardening tool device with a new structure. The technical problem to be solved is to make it detachable and convenient for users to store and carry And it has multi-functional use effects, so it is more suitable for practical use.

The purpose of this utility model and the solution to its technical problems are achieved by adopting the following technical solutions. According to the utility model, a detachable garden tool device includes: a handle with a first end, and a second end opposite to the first end along an axial direction; The tool unit has a mounting end; and a connecting unit includes a first connecting portion connected to one of the second end and the mounting end, a connecting portion connected to the second end and the mounting end The second connecting part connected to the other, a nut installed on the first connecting part, a positioning block arranged on one of the first and second connecting parts, and a positioning block arranged on the first and second connecting parts The positioning groove on the other of the two connecting parts, the nut is screwed with the second connecting part, the cross-sectional shape of the positioning block is non-circular, and the cross-sectional shape of the positioning groove corresponds to the positioning According to the cross-sectional shape of the block, when the nut is screwed to the second connecting part, the positioning block is embedded in the positioning groove.

The purpose of this utility model and the solution to its technical problems can also be further realized by adopting the following technical measures.

In the aforementioned detachable gardening tool device, wherein the first connection part of the connection unit is connected to the installation end of the tool unit, and the second connection part is connected to the second end of the handle, The positioning block is arranged on the first connecting part, and the positioning groove is arranged on the second connecting part.

In the aforementioned detachable garden tool device, wherein the first connecting portion extends from the installation end portion along the axial direction toward the second end portion of the handle, and the first connecting portion has a The mounting end and the ring shoulder extending radially outward, the second connecting portion extends from the second end of the handle along the axial direction toward the first connecting portion, and the second connecting portion There are two locking plates arranged at intervals and parallel to each other along the axial direction, and an external thread formed on the outer peripheral surface of the locking plate. The nut is sleeved on the first connecting part and has an internal an annulus, an internal thread formed on the inner annulus and corresponding to the external thread, and a shoulder opposite to the positioning block and extending radially inward from the inner annulus, the positioning block is formed from One end surface of the first connecting portion extends toward the second connecting portion along the axial direction, and the cross-sectional shape of the positioning block is substantially oblong, and the positioning groove is formed on the opposite side of the locking plate. Between one side, when the internal thread of the nut is screwed with the external thread of the second connecting part, the shoulder abuts against the ring shoulder, and the positioning block is embedded in the positioning groove Inside.

In the aforementioned detachable gardening tool device, wherein the first connection part of the connection unit is connected to the second end of the handle, and the second connection part is connected to the installation end of the tool unit, The positioning block is set on the second connecting portion, and the positioning groove is set on the first connecting portion.

In the aforementioned detachable gardening tool device, wherein the first connecting portion extends from the second end portion along the axial direction toward the installation end portion, and the first connecting portion has a The end portion and a ring shoulder extending radially outward, the second connecting portion extends from the installation end portion toward the first connecting portion in the axial direction, and the second connecting portion has an external thread, the The nut is sleeved on the first connecting portion, and has an inner ring surface, an inner thread formed on the inner ring surface and corresponding to the outer thread, and an inner ring opposite to the positioning groove and extending from the inner ring. A shoulder portion extending radially inward, the positioning block extends from an end surface of the second connecting portion in the axial direction toward the first connecting portion, and the cross-sectional shape of the positioning block is substantially Oval, the positioning groove is recessed from one end surface of the first connecting part toward the second end along the axial direction, when the internal thread of the nut is screwed with the external thread of the second connecting part, The blocking shoulder abuts against the ring shoulder, and the positioning block is embedded in the positioning groove.

In the aforementioned detachable gardening tool device, the tool unit further has a first pivotal portion opposite to the installation end, a second pivotal portion facing the first pivotal portion, and a A spring arranged between the first and second pivotal parts in a transverse direction perpendicular to the axial direction, a fixed plate perpendicular to the second pivotal part and affixed to the second pivotal part, a The shovel plate on the board, and a bolt arranged along the transverse direction and locked to the first and second pivotal parts, the first pivotal part has a first joint surface facing the second pivotal part, and most of them surround The first locking teeth are arranged at intervals on the first joint surface in the transverse direction, the second pivot portion has a second engagement surface facing the first pivot portion, and most of them are arranged at intervals around the transverse direction on the first engagement surface. When the bolt is screwed to the first and second pivot joints on the second locking teeth on the two joint surfaces, the first and second locking teeth are interlocked with each other.

In the aforementioned detachable gardening tool device, the tool unit further has a plurality of rake claws arranged at intervals on the end of the fixing plate opposite to the shoveling plate.

In the aforementioned detachable garden tool device, the shovel plate has a plurality of sawtooth blocks formed at intervals on the side edge.

In the aforementioned detachable gardening tool device, the installation end has an outer peripheral surface and an abutment block formed on the outer peripheral surface.

The aforementioned removable gardening tool device, wherein the tool unit further has a clamping portion opposite to the installation end, a saw blade mounted on the clamping portion, and a pressure plate against the saw blade, and a bolt locked with the knife clamping portion, the knife clamping portion has a bottom wall, two side walls extending from two opposite sides of the bottom wall in a direction opposite to the bottom wall, and two side walls extending from the two opposite sides of the bottom wall A wall opposite to the end of the bottom wall extends inwardly, and a knife clamp groove defined by the cooperation of the bottom wall, the side wall and the barrier wall, the pressure plate is accommodated in the knife clamp In the groove, a tail end of the saw blade is clamped between the pressure plate and the bottom wall, and the bolt passes through the pressure plate and the tail end of the saw blade to lock with the bottom wall.

Compared with the prior art, the utility model has obvious advantages and beneficial effects. It can be seen from the above technical solutions that in order to achieve the above purpose, the utility model provides a detachable gardening tool device, which includes a handle, a tool unit, and a connecting unit. The handle has a first end and a second end opposite to the first end along an axial direction. The tool unit has a mounting end. The connection unit has a first connection part connected to one of the second end part and the installation end part, a second connection part connected to the other one of the second end part and the installation end part, a A nut that is rotatably and movably installed on the first connecting part, a positioning block arranged on one of the first and second connecting parts, and a positioning block arranged on the other of the first and second connecting parts the positioning slot on the The nut is screwed with the second connecting part, the cross-sectional shape of the positioning block is non-circular, the cross-sectional shape of the positioning groove is corresponding to the cross-sectional shape of the positioning block, when the nut is connected to the When the second connecting part is screwed, the positioning block is embedded in the positioning groove.

By means of the above technical solution, the detachable gardening tool device of the present invention has at least the following advantages:

1. The handle and the tool unit of the utility model can be detachably connected through the connecting unit, so when the user wants to store the utility model, the handle and the tool unit can be disassembled and separated, which is convenient for storage and carrying. In addition, when the manufacturer transports and sells the utility model, the handle and the tool unit can also be stacked, so that the packaging volume and the required display space can be greatly reduced.

2. The tool unit of the present utility model has a shovel plate for shoveling soil and a claw for raking soil, and the shovel plate has a sawtooth block for sawing, so when the user uses it, it can be unscrewed Adjust the relative handle of the shovel plate and the claws to an appropriate angle, and then tighten the bolts to produce functions similar to ordinary shovels, rakes or saws, and have multifunctional effects, so that it is convenient to use user use.

In summary, the detachable gardening tool device with a special structure of the present invention can not only disassemble and separate the handle from the tool unit, but also facilitate the storage and carrying of the user, and also allow the user to perform various gardening tasks. Work, but has multifunctional use effect. It has the above-mentioned many advantages and practical value, both in the structure and function of the product have been greatly improved, the technology has made great progress, and has produced easy-to-use and practical effects, and has improved performance compared with the existing gardening tools. It is more suitable for practical use, and it is a novel, progressive and practical new design.

The above description is only an overview of the technical solutions of the present utility model. In order to better understand the technical means of the present utility model, it can be implemented according to the contents of the description, and in order to make the above-mentioned and other purposes, features and advantages of the present utility model better It is obvious and easy to understand. The preferred embodiments are specifically cited below, together with the accompanying drawings, and detailed descriptions are as follows.

Description of drawings

Fig. 1 is an exploded perspective view of the first preferred embodiment of the detachable garden tool device of the present invention.

Fig. 2 is a three-dimensional schematic diagram of the combined structure appearance of the first preferred embodiment of the present invention.

Fig. 3 is a schematic partial cross-sectional view of the first preferred embodiment of the utility model.

Fig. 4 is a schematic cross-sectional view of section line 4-4 in Fig. 3 .

FIG. 5 is a schematic partial cross-sectional view similar to FIG. 3 , illustrating that a bolt of a tool unit of the first preferred embodiment is unscrewed, so that a first and a second pivotal portion of the tool unit are separated from each other.

Fig. 6 is a schematic side view of the first preferred embodiment of the utility model in use, illustrating that the second pivotal part rotates relative to the first pivotal part, so that a shovel plate of the tool unit is parallel to most claws A handle of the first preferred embodiment.

Fig. 7 is a schematic side view of the second preferred embodiment of the detachable garden tool device of the present invention.

Fig. 8 is a schematic cross-sectional view of section line 8-8 in Fig. 7 .

Fig. 9 is a schematic partial cross-sectional view of a third preferred embodiment of the detachable garden tool device of the present invention.

Fig. 10 is a schematic cross-sectional view of section line 10-10 in Fig. 9 .

Detailed ways

In order to further explain the technical means and effects of the utility model to achieve the intended purpose of the invention, the specific implementation and structure of the detachable gardening tool device proposed according to the utility model will be described below in conjunction with the accompanying drawings and preferred embodiments. , features and their effects are described in detail below.

The aforementioned and other technical contents, features and effects of the present utility model will be clearly understood in the following detailed descriptions of three preferred embodiments in conjunction with the drawings.

Please refer to Fig. 1, Fig. 2 and Fig. 3, which are the first preferred embodiment of the detachable gardening tool device of the present invention. The gardening tool device includes: a handle 1 for the user to hold, A tool unit 2, and a connection unit 3, wherein:

The above handle 1 has a first end 11 and a second end 12 opposite to the first end 11 along an axial direction I.

The above-mentioned tool unit 2 has a mounting end 21, a first pivotal portion 22 opposite to the mounting end 21, a second pivotal portion 23 facing the first pivotal portion 22, and a The axial direction I is perpendicular to the transverse direction II, and a spring 24 is arranged between the first and second pivotal parts 22, 23. Plate 25, a shovel plate 26 installed on the fixed plate 25, most intervals are arranged on the rake claws 27 on the end of the fixed plate 25 opposite to the shovel plate 26, and one locks the first and second along the horizontal direction II The bolts 28 of the pivot joints 22 , 23 .

The installation end 21 has a supporting block 211 formed on an outer peripheral surface.

The first pivot portion 22 has a first joint surface 221 facing the second pivot portion 23 , a plurality of first locking teeth 222 disposed on the first joint surface 221 at intervals around the transverse direction II, and a through hole 223 .

The second pivot portion 23 has a second joint surface 231 facing the first joint surface 221 , a plurality of second engaging teeth 232 spaced on the second joint surface 231 around the transverse direction II, and a screw hole 233 .

The shovel plate 26 has a plurality of serrations 261 formed at intervals on one side edge.

One end of the rake claw 27 facing the fixing plate 25 is connected as a whole, and is locked on the fixing plate 25 .

The bolt 28 passes through the through hole 223 and the spring 24 and is screwed to the screw hole 233 to press the spring 24, thereby forcing the first and second locking teeth 222, 232 to interlock with each other.

The above-mentioned connecting unit 3 has a first connecting portion 31 set on the mounting end portion 21 and extending from the mounting end portion 21 along the axial direction I toward the second end portion 12, a first connecting portion 31 extending from the second end portion 12 along the axis A second connecting portion 32 extending toward the first connecting portion 31, a nut 33 rotatably and movably sleeved on the first connecting portion 31, a A positioning block 34 extending toward the second connecting portion 32, and a positioning slot 35 disposed on the second connecting portion 32.

The first connecting portion 31 has a ring shoulder 311 opposite to the mounting end 21 and extending radially outward.

The second connecting portion 32 has two locking plates 321 arranged at intervals and parallel to each other along the axis I, and an external thread 322 formed on the outer peripheral surface of the locking plates 321 .

The nut 33 has an inner ring surface 331, an inner thread 332 formed on the inner ring surface 331 and corresponding to the outer thread 322, and an inner thread 332 opposite to the second end 12 along the diameter from the inner ring surface 331. The inner thread 332 of the nut 33 is screwed with the outer thread 322 of the second connecting portion 32 on the shoulder portion 333 extending inward.

In this embodiment, the positioning block 34 has a substantially oblong cross-sectional shape (see FIG. 4 ).

The positioning groove 35 is formed between two opposite sides of the locking plate 321 , and the cross-sectional shape of the positioning groove 35 is corresponding to the cross-sectional shape of the positioning block 34 .

Please refer to Fig. 2, Fig. 3, shown in Fig. 4, when the user wants to use the utility model, the nut 33 can be rotated, so that the internal thread 332 is screwed with the external thread 322 of the second connecting portion 32, at this time The shoulder 333 abuts against the ring shoulder 311, and the end surface of the first connecting portion 31 abuts against the end surface of the second connecting portion 32, so that the handle 1 and the first connecting portion 31 are connected into one body without There will be a relative movement along the axis I. Therefore, the handle 1 and the tool unit 2 will not move relative to each other along the axial direction I. At the same time, the positioning block 34 is embedded in the positioning groove 35, so the handle 1 will not rotate relative to the tool unit 2. .

On the contrary, please refer to Fig. 1 and Fig. 3, when the user wants to accommodate the utility model, he can reversely turn the nut 33, so that the internal thread 332 and the external thread 322 of the second connecting part 32 are loosened, In this way, the first and second connecting parts 31 and 32 are separated from each other along the axial direction I, so that the positioning block 34 and the positioning groove 35 are separated from each other, and the handle 1 and the tool unit 2 are separated from each other. In this way, the user can stack the handle 1 and the tool unit 2 , so it can be conveniently stored and carried.

Please refer to Fig. 5 and Fig. 6, when the user unscrews the bolt 28, the elastic restoring force of the spring 24 will make the first and second engaging surfaces 221, 231 move away from each other, thereby making the first and second locking teeth 222, 232 Disengage from each other, so that the second pivotal portion 23 and the bolt 28 can rotate relative to the first pivotal portion 22 around the transverse direction II, thereby changing the use angle of the shovel 26 and the rake claw 27 relative to the handle 1 . When the shovel plate 26 and the rake claw 27 rotate to be parallel to the handle 1, since the fixed plate 25 is against the abutment block 211, the connection strength between the first and second pivotal joints 22, 23 can be strengthened .

Through the above description, the advantages of the present utility model can be summarized as follows:

1. The handle 1 and the tool unit 2 can be detachably connected through the connecting unit 3. Therefore, when the user wants to store the utility model, the handle 1 and the tool unit 2 can be disassembled and separated, which is convenient for storage and carrying. In addition, when the manufacturer transports and sells the utility model, the handle 1 and the tool unit 2 can also be stacked. Therefore, the packaging volume and the required display space can be greatly reduced.

Two, the tool unit 2 of the present utility model has the shovel plate 26 that can be used for shoveling and the harrow claw 27 that can be used for raking soil, and this shovel plate 26 has a sawtooth block 261 that can be used for sawing. Therefore, when the user When using the utility model, the bolt 28 can be unscrewed, and the shovel plate 26 and the rake claw 27 are adjusted to an appropriate angle relative to the handle 1. The function of a shovel, rake or saw, thereby facilitating the user's use.

See also Fig. 7, shown in Fig. 8, is the second preferred embodiment of the present utility model, and this second preferred embodiment is similar to the first preferred embodiment, and its difference is:

A tool unit 4 in this embodiment has a mounting end 41 socketed with the first connecting portion 31, a clamping portion 42 opposite to the mounting end 41, and a clamping portion 42 mounted on the clamping portion 42. Saw blade 43, a pressure plate 44 that presses against the saw blade 43, and a bolt 45 locked with the clamping portion 42, wherein:

The clamping portion 42 has a bottom wall 421, two side walls 422 extending from two opposite sides of the bottom wall 421 in a direction opposite to the bottom wall 421, and two ends of the side wall 422 opposite to the bottom wall 421. The retaining wall 423 extending inward, a knife clamping groove 424 defined by the bottom wall 421 , the side wall 422 and the retaining wall 423 , and a screw hole 425 formed on the bottom wall 421 respectively.

The saw blade 43 has a tail end 431 and a saw blade perforation 432 formed on the tail end 431 corresponding to the screw hole 425;

The pressing plate 44 has a pressing plate through hole 441 corresponding to the saw blade through hole 432 . The pressing plate 44 is accommodated in the clamping groove 424 , and the tail end 431 of the saw blade 43 is sandwiched between the pressing plate 44 and the bottom wall 421 ;

The bolt 45 passes through the through hole 441 of the pressing plate and the through hole 432 of the saw blade, and locks with the screw hole 425 . In this way, this embodiment can be used as a general saw by the user.

See also Fig. 9, shown in Fig. 10, it is the third preferred embodiment of the present invention, and this third preferred embodiment is similar to the first preferred embodiment, and its difference is:

In this embodiment, the connection unit 3 has a first connection portion 31 extending from the second end 12 of the handle 1 toward the installation end 21 in the axial direction I, and a first connection portion 31 extending from the installation end 21 along the axial direction I. The axial direction I extends toward the second connecting portion 32 of the first connecting portion 31, a nut 33 that is rotatably and movably mounted on the first connecting portion 31, and a nut 33 from the second connecting portion 32. A positioning block 34 whose end surface extends toward the first connecting portion 31 along the axial direction I, and a positioning groove 35 recessed from the end surface of the first connecting portion 31 toward the second end portion 12 along the axial direction I, wherein :

The first connecting portion 31 has a shoulder portion 311 opposite to the second end portion 12 and extending radially outward.

The second connecting portion 32 has an external thread 322 .

The nut 33 has an inner ring surface 331, an inner thread 332 formed on the inner ring surface 331 and corresponding to the outer thread 322, and an inner thread 332 opposite to the positioning groove 35 and extending radially from the inner ring surface 331. Inwardly extending shoulder 333 .

The positioning block 34 has a cross-sectional shape that is substantially oblong;

The cross-sectional shape of the positioning groove 35 is corresponding to the cross-sectional shape of the positioning block 34 .

When the internal thread 332 of the nut 33 is screwed with the external thread 322 of the second connecting portion 32, the shoulder portion 333 is in contact with the ring shoulder portion 311, and the end surface of the first connecting portion 31 is in contact with the second connecting portion 32. The end faces of the locating block 34 are embedded in the locating slot 35 . In this way, the third preferred embodiment can also achieve the same purpose and effect as the above-mentioned first preferred embodiment.

To sum up the above, the detachable gardening tool device of the utility model can not only disassemble and separate the handle from the tool unit, but is convenient for the user to store and carry, and can be used by the user to perform various gardening tasks, so it can indeed achieve Purpose and effect of the present utility model.

The above are only preferred embodiments of the present utility model, and do not limit the utility model in any form. Although the utility model has been disclosed as above with preferred embodiments, it is not intended to limit the utility model. Any Those skilled in the art can use the technical content disclosed above to make some changes or modify them into equivalent embodiments without departing from the technical solution of the present utility model. Content, any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the utility model still belong to the scope of the technical solution of the utility model.

Claims (10)

1. A detachable gardening tool device, characterized in that it comprises: a handle having a first end and a second end opposite the first end along an axial direction; a tool unit having a mounting end; and A connection unit, including a first connection part connected with one of the second end part and the installation end part, and a second connection part connected with the other one of the second end part and the installation end part , a nut installed on the first connecting part, a positioning block arranged on one of the first and second connecting parts, and a positioning groove arranged on the other of the first and second connecting parts , the nut is screwed with the second connecting part, the cross-sectional shape of the positioning block is non-circular, the cross-sectional shape of the positioning groove is corresponding to the cross-sectional shape of the positioning block, when the nut When screwed with the second connecting portion, the positioning block is embedded in the positioning groove. 2. The detachable garden tool device according to claim 1, wherein the first connection part of the connection unit is connected to the installation end of the tool unit, and the second connection part is connected to the The second end of the handle is connected, the positioning block is arranged on the first connecting part, and the positioning groove is arranged on the second connecting part. 3. The detachable garden tool device according to claim 2, wherein the first connecting portion extends from the installation end portion along the axial direction toward the second end portion of the handle, And the first connection part has a ring shoulder extending radially outwards opposite to the installation end, and the second connection part is from the second end of the handle to the first connection along the axial direction. part, and the second connecting part has two locking plates arranged at intervals and parallel to each other along the axial direction, and an external thread formed on the outer peripheral surface of the locking plate, and the nut is sleeved on the On the first connecting part, it has an inner ring surface, an inner thread formed on the inner ring surface and corresponding to the outer thread, and a position opposite to the positioning block and extending radially inward from the inner ring surface The shoulder portion of the positioning block extends from an end surface of the first connecting portion along the axial direction toward the second connecting portion, and the cross-sectional shape of the positioning block is substantially oblong, and the positioning groove It is formed between the facing sides of the locking plate. When the internal thread of the nut is screwed with the external thread of the second connecting part, the shoulder abuts against the ring shoulder, and The positioning block is embedded in the positioning groove. 4. The detachable garden tool device according to claim 1, wherein the first connection part of the connection unit is connected to the second end of the handle, and the second connection part is connected to the second end of the handle. The installation end of the tool unit is connected, the positioning block is arranged on the second connecting part, and the positioning groove is arranged on the first connecting part. 5. The detachable garden tool device according to claim 4, wherein the first connecting portion extends from the second end portion along the axial direction toward the installation end portion, and the first connecting portion A connection portion has a ring shoulder portion opposite to the second end portion and extending radially outward, the second connection portion extends from the mounting end portion in the axial direction toward the first connection portion, and the The second connection part has an external thread, the nut is sleeved on the first connection part, and has an inner ring surface, an inner thread formed on the inner ring surface and corresponding to the outer thread, and a Opposite to the positioning groove and radially inwardly extending from the inner ring surface, the positioning block extends from an end surface of the second connecting portion toward the first connecting portion in the axial direction, and the The cross-sectional shape of the positioning block is substantially oblong, and the positioning groove is recessed from one end surface of the first connecting part along the axial direction toward the second end. When the internal thread of the nut and the second When the external thread of the connecting part is screwed together, the blocking shoulder is in contact with the ring shoulder, and the positioning block is embedded in the positioning groove. 6. The detachable garden tool device according to claim 1, wherein said tool unit further has a first pivotal portion opposite to said mounting end, and a first pivotal portion facing said first pivotal portion The second pivotal part, a spring arranged between the first and second pivotal parts along a transverse direction perpendicular to the axial direction, a spring perpendicular to the second pivotal part and fixed with the second pivotal part A fixed plate connected to the fixed plate, a shovel plate installed on the fixed plate, and a bolt arranged along the transverse direction and locked to the first and second pivot joints, the first pivot joint has a The first engaging surface of the connecting portion, and a plurality of first locking teeth arranged at intervals around the transverse direction on the first engaging surface, the second pivot portion has a second engaging surface facing the first pivot portion, And a plurality of second locking teeth arranged at intervals around the transverse direction on the second joint surface. When the bolt is screwed to the first and second pivot joints, the first and second locking teeth are interlocked with each other. 7. The detachable gardening tool device according to claim 6, wherein said tool unit further has a plurality of rake claws arranged at intervals on the end of the fixing plate opposite to the shoveling plate. 8. The detachable garden tool device according to claim 6, wherein said shovel plate has a plurality of serrations formed at intervals on the side edge. 9. The detachable garden tool device according to claim 6, wherein said installation end has an outer peripheral surface, and a supporting block formed on the outer peripheral surface. 10. The detachable garden tool device according to claim 1, wherein said tool unit further has a clamping portion opposite to the mounting end, and a saw blade mounted on the clamping portion , a pressure plate for pressing the saw blade, and a bolt locked with the clamping part, the clamping part has a bottom wall, and two The side wall, two stop walls extending inwardly from the end of the side wall opposite to the bottom wall, and a knife clamping groove defined by the bottom wall, the side wall and the stop wall , the pressure plate is accommodated in the clamping groove, a tail end of the saw blade is sandwiched between the pressure plate and the bottom wall, and the bolt passes through the pressure plate and the tail end of the saw blade. Locked with the bottom wall.

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