TW202009114A - Portable hand tool - Google Patents

Abstract

The present invention provides a portable hand tool, which includes a base, a tool, and a lock mechanism. The tool is pivotally connected to the base and has a through hole and a positioning recess connected with the through hole. The positioning recess extends outward from the periphery of the through hole along a radial direction of the through hole. The lock mechanism includes a control member movably inserting through the base and the through hole to switch between a lock position and an unlocked position. The control member has an outer periphery and a positioning portion. The positioning portion extends outward from the outer periphery of the control member along a radial direction of the control member and selectively engages with the positioning recess. When the control member is in the lock position, the positioning portion engages with the positioning recess to cause the tool unable to pivot relative to the base. When the control member is in the unlocked position, the positioning portion disengages from the positioning recess to cause the tool able to pivot relative to the base.

Description

Portable hand tools

The invention relates to a portable hand tool, and in particular to a portable hand tool with a locking mechanism.

Existing bicycle tools, such as the bicycle repair tool disclosed in Patent Publication No. I600512 of the Republic of China, in which the first tool set and the second tool set are pivotally connected to the base and located on the first plate portion and the second plate respectively Between departments. However, the first tool set and the second tool set are pivotally connected to the base only by screws, which causes the first tool set and the second tool set to pivot relative to the base with a slight force. Inconvenience in use.

The invention provides a portable hand tool, which can be used by a user to select whether the tool can pivot relative to the base.

The portable hand tool provided by the present invention includes a base, a tool and a locking mechanism. The tool is pivotally connected to the base and has a perforation and a positioning groove communicating with the perforation. The positioning groove extends outward from the perimeter of the perforation in the radial direction of the perforation. The locking mechanism includes a control member that is movably penetrated through the perforation of the base and the tool to be able to switch between the locked position and the released position. The control member has an outer peripheral surface and a positioning portion. The positioning portion extends outward from the outer peripheral surface in the radial direction of the control member and is selectively engaged with the positioning groove. When the control member is in the locked position, the positioning portion is engaged with the positioning groove, and when the control member is in the release position, the positioning portion is separated from the positioning groove, and the outer circumferential surface faces the positioning groove.

In an embodiment of the present invention, the number of the positioning grooves and the positioning portions are four and the installation positions correspond to each other. The positioning grooves are 90 degrees apart from each other along the circumferential direction of the perforation. The positioning portions are respectively formed on the top edge, the bottom edge, and both side edges of the outer peripheral surface and are spaced apart from each other by 90 degrees along the circumferential direction of the outer peripheral surface.

In an embodiment of the invention, the tool includes a driving member and a positioning member connected to the driving member. The driving member has a driving end selectively exposed on the base and a pivoting end opposite to the driving end. A perforation and a positioning groove are formed in the positioning member, and the control member is movably penetrated through the base, the pivot end and the perforation.

In an embodiment of the invention, the driving member has a clamping groove provided on one side of the pivoting end. The positioning member has a clamping portion provided on one side of the positioning member. The clamping groove and the clamping portion are clamped with each other. When the control part is in the release position, the driving part and the positioning part can pivot together with respect to the base, so that the driving end of the driving part is exposed to the base.

In an embodiment of the invention, the driving end is a hexagon wrench.

In an embodiment of the invention, the base includes a first shell member and a second shell member connected to the first shell member. The tool is pivotally arranged between the first shell and the second shell. The control part has a pressing part, and the locking mechanism includes an elastic part, and opposite ends of the elastic part abut the base and the pressing part, respectively.

In an embodiment of the invention, the elastic member is a compression spring.

In an embodiment of the invention, the control element has a limiting portion and a gasket. The limiting portion and the gasket are disposed at an end opposite to the pressing portion. The limiting portion selectively contacts the gasket as the control member moves relative to the base and the tool.

In an embodiment of the invention, the number of tools is multiple, and is divided into a first tool group and a second tool group. The first tool set can be pivotally provided at one end of the base centering on the first axis. The second tool set can be pivotally arranged at the other end of the base with the second axis as the center. The number of the locking mechanism is two, which are respectively threaded through the first tool group and the second tool group along the first axis and the second axis.

In an embodiment of the invention, the two tools in the first tool set respectively abut on the first shell and the second shell. The two tools in the second tool set respectively abut on the first shell and the second shell.

Based on the above, the portable hand tool provided by the above embodiment of the present invention, through the setting of the locking mechanism, enables the tool to be selectively positioned at a plurality of relative angles with respect to the base, avoiding being pivoted relative to the base with a slight force Swing, causing inconvenience in use.

In order to make the above-mentioned features and advantages of the present invention more obvious and understandable, the embodiments are specifically described below in conjunction with the accompanying drawings for detailed description as follows.

FIG. 1 is a schematic view of the appearance of a portable hand tool according to an embodiment of the invention. FIG. 2 is an exploded schematic view of the portable hand tool of FIG. 1. FIG. 3 to 6 are schematic cross-sectional views of the portable hand tool of FIG. 1. 1 to 6, the portable hand tool of this embodiment includes a base 10, at least one tool 20 and at least one locking device 30.

The base 10 includes a first shell 11 and a second shell 12 connected to the first shell 11. A space capable of accommodating the tool 20 is formed between the first shell member 11 and the second shell member 12.

The tool 20 is pivotally connected to the base 10 and is disposed between the first shell 11 and the second shell 12. In this embodiment, the number of tools 20 is plural, and is divided into a first tool group 201 and a second tool group 202. The first tool group 201 can be pivotally disposed on a first axis A1 as a center At one end of the base 10, the second tool set 202 can be pivotally disposed at the other end of the base 10 about a second axis A2. The two tools 20 in the first tool set 201 respectively abut the first shell 11 and the second shell 12, and the two tools 20 in the second tool set 202 respectively abut the first shell 11 and the second shell 12. The number of the locking mechanism 30 is two, which are respectively threaded on the first tool group 201 and the second tool group 202 along the first axis A1 and the second axis A2.

The tool 20 includes a driving member 21 and a positioning member 22 connected to the driving member 21. The driving member 21 has a driving end 211 selectively exposed on the base 10, a pivoting end 212 opposite to the driving end 211, and at least one clamping slot 213 provided on one side of the pivoting end 212. In this embodiment, the driving end 211 is a hexagon wrench.

The positioning member 22 has a through hole 221, at least one positioning groove 222 communicating with the through hole 221, and at least one clamping portion 223 disposed on one side of the positioning member 22. The positioning groove 222 extends outward from the periphery of the through hole 221 in the radial direction of the through hole 221. In this embodiment, the number of the positioning grooves 222 is four, and they are spaced 90 degrees apart from each other along the circumferential direction of the through hole 221. As shown in FIG. 3, the perforation 221 and the positioning groove 222 can jointly form a slightly four-pointed star cross-sectional shape.

The number of the engaging groove 213 of the driving member 21 and the engaging portion 22 of the positioning member 22 are two and they are engaged with each other. Therefore, the driving member 21 can drive the positioning member 22 to pivot relative to the base 10, so that the driving end 211 of the driving member 21 is exposed to the base 10.

The locking mechanism 30 includes a control member 31 and an elastic member 32. The control member 31 is movably disposed on the first shell member 11 and the second shell member 12 of the base 10 and the pivoting end 212 of the driving member 21 of the tool 20 and the through hole 221 of the positioning member 22 so as to be in the locked position Switch between release positions.

The control element 31 has an outer peripheral surface 311, at least one positioning portion 312, a pressing portion 313, a limiting portion 314, and a spacer 315. The positioning portion 312 extends outward from the outer circumferential surface 311 in the radial direction of the control member 31 and is selectively engaged with the positioning groove 222 of the positioning member 22. In this embodiment, the number of the positioning portions 312 is four, which are respectively formed on the top edge, the bottom edge, and the two side edges of the outer peripheral surface 311 and are separated from each other by 90 degrees along the circumferential direction of the outer peripheral surface 311. The limiting portion 314 and the gasket 315 are disposed at an end opposite to the pressing portion 313, and the limiting portion 314 selectively contacts the gasket 315 as the control member 31 moves relative to the base 10 and the tool 20.

The opposite ends of the elastic member 32 abut the base 10 and the pressing portion 313 respectively. In this embodiment, the elastic member 32 of one of the two locking mechanisms 30 abuts the first shell 11 of the base 10, and the elastic member 32 of the other locking mechanism 30 abuts the second shell 12 of the base 10. The elastic member 32 can be a compression spring.

Since the operating principles of the first tool group 201 and the second tool group 202 and their corresponding locking mechanisms 30 in this embodiment are the same, only the first tool group 201 and its corresponding locking mechanism 30 will be described below.

Referring to FIGS. 3 and 4, when the control member 31 is in the locked position, the positioning portion 312 is engaged with the positioning groove 222, and the limiting portion 314 contacts the gasket 315. The positioning member 22 of the tool 20 is restricted by the positioning portion 312 of the control member 31, so that the driving member 21 of the tool 20 cannot pivot relative to the base 10.

5 and 6, the user can press the pressing portion 313 of the control member 31 to move the control member 31 relative to the perforation 221 of the base 10 and the positioning member 22 along the first axis A1. The control member 31 changes from the locked position to Release position. At this time, the elastic member 32 is compressed between the pressing portion 313 and the first shell 11, the positioning portion 312 is separated from the positioning groove 222, and the outer circumferential surface 311 faces the positioning groove 222. So far, the positioning member 22 of the tool 20 is not restricted by the positioning portion 312 of the control member 31, so that the driving member 21 of the tool 20 can pivot relative to the base 10, so that the driving end 211 of the driving member 21 is exposed to the base 10, And it is possible to perform the work of turning a fixing member such as a bolt. When the user no longer presses the pressing portion 313 of the control member 31, the elastic restoring force of the elastic member 32 can drive the control member 31 to return from the release position to the locked position.

In addition, it can be easily understood that the present invention can change the relative positioning angle provided between the driving member 21 and the base 10 by the number or relative angle provided by the positioning groove 222 and the positioning portion 312. As in this embodiment, the number of the positioning grooves 222 and the positioning portions 312 are four and are 90 degrees apart from each other, so the driving member 21 and the base 10 can be at 0 degrees (as shown in FIG. 3) and 90 degrees ( As shown in Figure 6), positioning between 180 degrees and 270 degrees.

In summary, the portable hand tool of this embodiment is provided with the locking mechanism 30, so that the tool 20 can be selectively positioned at a plurality of relative angles with respect to the base 10 to avoid being pivoted relative to the base 10 with a slight force Swing, causing inconvenience in use.

Although the present invention has been disclosed as above with examples, it is not intended to limit the present invention. Any person with ordinary knowledge in the technical field can make some changes and modifications without departing from the spirit and scope of the present invention. The scope of protection of the present invention shall be subject to the scope defined in the appended patent application.

10‧‧‧Base 11‧‧‧First shell part 12‧‧‧Second shell part 20‧‧‧Tool 201‧‧‧First tool group 202‧‧‧Second tool group 21‧‧‧Drive part 211 ‧‧‧Drive end 212‧‧‧Pivot end 213‧‧‧Clamping slot 22‧‧‧Locating piece 221‧‧‧Perforation 222‧‧‧Locating slot 223‧‧‧Clamping part 30‧‧‧Locking mechanism 31 ‧‧‧Control part 311‧‧‧Peripheral surface 312‧‧‧Positioning part 313‧‧‧Pressing part 314‧‧‧Limiting part 315‧‧‧Gasket 32‧‧‧Elastic part A1‧‧‧First axis A2 ‧‧‧Second axis

FIG. 1 is a schematic view of the appearance of a portable hand tool according to an embodiment of the invention. FIG. 2 is an exploded schematic view of the portable hand tool of FIG. 1. FIG. Fig. 3 is a schematic cross-sectional view of the portable hand tool of Fig. 1, showing that the locking mechanism is in the locked position. FIG. 4 is a schematic cross-sectional view taken along line 4-4 of FIG. 3. FIG. FIG. 5 is a schematic diagram of the continuation of FIG. 4, showing that the locking mechanism is in the release position. Figure 6 is a schematic diagram of the continuation of Figure 3, showing the tool pivoting relative to the base.

10‧‧‧Dock

11‧‧‧The first shell

12‧‧‧The second shell

20‧‧‧Tool

201‧‧‧ First Tool Group

202‧‧‧ Second Tool Group

21‧‧‧Drive parts

211‧‧‧Drive

212‧‧‧Pivot end

213‧‧‧Card slot

22‧‧‧Locating parts

221‧‧‧Perforation

222‧‧‧Locating slot

223‧‧‧Card connection department

30‧‧‧Locking mechanism

31‧‧‧Control parts

311‧‧‧Perimeter

312‧‧‧Positioning Department

313‧‧‧Pressing part

314‧‧‧Limiting Department

315‧‧‧gasket

32‧‧‧Elastic parts

A1‧‧‧ First axis

A2‧‧‧Second axis

Claims (10)

A portable hand tool includes: a base; at least one tool pivotably connected to the base, the at least one tool has a perforation and at least one positioning slot communicating with the perforation, the at least one positioning slot is formed by the The perimeter of the perforation extends outward in the radial direction of the perforation; and at least one locking mechanism includes a control member that is movably penetrated through the perforation of the base and the at least one tool to be in a locked position and Switching between release positions, the control member has an outer peripheral surface and at least one positioning portion, the at least one positioning portion extends outward from the outer peripheral surface in the radial direction of the control member and is selectively engaged with the at least one positioning groove , Wherein when the control element is in the locked position, the at least one positioning portion is engaged with the at least one positioning groove, and when the control element is in the released position, the at least one positioning portion is separated from the at least one positioning groove, and the outer peripheral surface faces The at least one positioning groove. The portable hand tool as described in item 1 of the patent application range, wherein the number of the at least one positioning groove and the at least one positioning portion are four and the installation positions correspond to each other, and the positioning grooves are spaced apart from each other along the circumferential direction of the perforation At 90 degrees, the positioning portions are formed on the top edge, the bottom edge, and the side edges of the outer peripheral surface, respectively, and are separated from each other by 90 degrees along the circumferential direction of the outer peripheral surface. The portable hand tool as described in item 1 of the patent application scope, wherein the at least one tool includes a driving member and a positioning member connected to the driving member, the driving member has a driving end selectively exposed to the base and a Contrary to the pivoting end of the driving end, the through hole and the at least one positioning groove are formed in the positioning member, and the control member is movably penetrated through the base, the pivoting end, and the through hole. The portable hand tool as described in item 3 of the patent application range, wherein the driving member has at least one clamping slot provided on one side of the pivoting end, and the positioning member has at least one clamping connection provided on one side of the positioning member Part, the at least one catching groove and the at least one catching part catch each other, when the control part is in the release position, the driving part and the positioning part can pivot together relative to the base, so that the driving end of the driving part Exposed to the base. The portable hand tool as described in item 3 of the patent application scope, wherein the driving end is a hexagon wrench. The portable hand tool as described in item 1 of the patent application scope, wherein the base includes a first shell member and a second shell member connected to the first shell member, the at least one tool is pivotably disposed on the first Between a shell member and the second shell member, the control member has a pressing portion, and the locking mechanism includes an elastic member, and opposite ends of the elastic member abut the base and the pressing portion, respectively. The portable hand tool as described in item 6 of the patent application range, wherein the elastic member is a compression spring. The portable hand tool as described in item 6 of the patent application range, wherein the control member has a limiting portion and a gasket, the limiting portion and the gasket are disposed at an end opposite to the pressing portion, the limiting portion As the control member moves relative to the base and the at least one tool, it selectively contacts the pad. The portable hand tool as described in item 6 of the patent application scope, wherein the number of the at least one tool is plural, and is divided into a first tool group and a second tool group, the first tool group can be The axis is pivotally arranged at one end of the base, the second tool set can be pivotally arranged at the other end of the base with a second axis as the center, the number of the at least one locking mechanism is two, It passes through the first tool set and the second tool set along the first axis and the second axis, respectively. The portable hand tool as described in item 9 of the patent application scope, wherein at least two tools in the first tool set abut the first shell member and the second shell member, respectively, and at least two tools in the second tool set Respectively abutting the first shell and the second shell.

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