CN211137029U

CN211137029U - Inverted hand tool

Info

Publication number: CN211137029U
Application number: CN201922155546.5U
Authority: CN
Inventors: 张伟华
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-05
Filing date: 2019-12-05
Publication date: 2020-07-31
Anticipated expiration: 2029-12-05

Abstract

The utility model relates to a hand tool, concretely relates to flip-chip hand tool. An inverted hand tool, comprising a tool head and a tool handle, wherein the tool head is provided with a tapered assembly hole for installing the tool handle, one end of the tool handle assembled with the tool head comprises a composite reinforced section, the composite reinforced section has a taper, and when the inverted hand tool is installed, the taper of the composite reinforced section prevents the tool head from sliding off the composite reinforced section; and an enlarged structure at an end of the handle section of the tool shank adjacent the tool head, at least a portion of the enlarged structure having an outer diameter greater than the minimum aperture of the tapered assembly bore of the tool shank. The utility model discloses can avoid at the assembly end because the intensity causes inadequately the potential safety hazard that the instrument handle rupture and the instrument head drops and arouse, its structure is simpler moreover, and the assembly is easier.

Description

Inverted hand tool

Technical Field

The utility model relates to a hand tool, concretely relates to flip-chip hand tool.

Background

Existing hand tools typically include a tool head and a tool shank coupled to the tool head. The tool head mainly comprises an axe, a hammer head, farm tools, garden tools and the like. Tool handles are typically made from engineering plastics, metals, or wood, including but not limited to curved and straight handles.

The safety of use of hand tools has been a continuing concern and subject of research in the field.

SUMMERY OF THE UTILITY MODEL

For solving the defect that exists among the prior art, the utility model provides a novel flip-chip hand tool. This novel flip-chip hand tool is including the tool handle that has the reinforcing section, and this reinforcing section is used for the assembly tool head for the tool head with the assembly of flip-chip form is difficult for droing, thereby improves this flip-chip hand tool's safety in utilization greatly.

The technical scheme of the utility model is that: an inverted manual tool, which comprises a tool head and a tool handle, and is characterized in that the tool head is provided with a tapered assembly hole for installing the tool handle, one end of the tool handle assembled with the tool head comprises a composite reinforced section, the composite reinforced section has a taper, and when the inverted manual tool is installed, the taper of the composite reinforced section prevents the tool head from sliding off the composite reinforced section; and an enlarged structure at an end of the handle section of the tool shank adjacent the tool head, at least a portion of the enlarged structure having an outer diameter greater than a minimum aperture of the tapered mounting hole of the tool head.

The utility model provides an "flip-chip" means will the utility model provides a tool handle passes the pilot hole of instrument head along a direction from one end, then follow again with opposite direction's direction removes the tool handle, and then closely complex connected mode with tool handle and instrument head.

In one embodiment, the composite reinforcement section is comprised of a portion of the original tool shank and reinforcement composited thereon.

"reinforcement" means a structure that provides reinforcement to a portion of the original tool shank. That is, the strength of the material used for the reinforcement is greater than the strength of the material used for the original tool shank.

In one embodiment, the portion of the original toolholder of the composite reinforcement section includes a toolholder core rod and an original toolholder material composited over the portion of the toolholder core rod, and the at least one groove is provided in the original toolholder material composited over the portion of the toolholder core rod.

In one embodiment, the tapered mounting hole of the tool head has a taper in a range from 0.5 ° to 10 °, and the composite reinforcement section has a taper in a range from 0.5 ° to 10 °.

Preferably, the tapered mounting hole of the tool head has a taper in the range of 2 ° to 10 °, and the composite reinforcement section has a taper in the range of 2 ° to 10 °.

The reinforcement of the present invention may comprise an elastic reinforcement.

The utility model has the advantages of it is following: through at the tool handle with the one end of tool bit assembly includes the utility model provides a compound enhancement section not only can avoid at the assembly end because the tool handle rupture that intensity caused inadequately and the potential safety hazard that the tool bit drops and arouses, its structure is simpler moreover, and the assembly is easier.

Drawings

Fig. 1 is a schematic perspective exploded view of an embodiment of the present invention;

fig. 2 is a perspective view of the embodiment of fig. 1 when assembled.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings. It is to be understood that the specific embodiments of the invention described in the attached drawings are for purposes of illustration only and are not to be construed as critical, if any, dimensions and proportions. Accordingly, the drawings in the present application should not be construed as limiting the invention in any way.

It is to be understood that the matter set forth in the accompanying drawings is illustrative only and should not be construed as limiting the invention in any way.

Refer to fig. 1 and 2. As shown in fig. 1, the inverted hand tool of the present invention, i.e. the hand hammer 100, includes a hammer head 10 and a tool handle, i.e. a hammer handle 20, wherein the hammer head 10 has a tapered (not shown) fitting hole 101 for mounting the hammer handle 20.

An important feature of the present invention is that the end of the hammer handle 20 assembled with the hammer head 10 includes a composite reinforcement section 203, the composite reinforcement section 203 has a taper, and when the inverted manual hammer 100 is installed, the taper of the composite reinforcement section 203 prevents the hammer head 10 from slipping off the composite reinforcement section 203; and an enlarged structure 2011 is arranged at one end, close to the hammer head 10, of the handheld section 201 of the hammer handle 20, and the outer diameter of at least one part of the enlarged structure 2011 is larger than the minimum aperture of the tapered assembly hole of the hammer head 10.

Through this kind of design, tup 10 can neither drop from the one end of compound reinforcing section 203, also can not drop from handheld section 201 of hammer handle 20 to compound reinforcing section 203 has promoted the intensity of this part of hammer handle, when tup 10 when this compound reinforcing section 203 is to striking the object application of force, it is difficult for breaking, consequently the utility model discloses a manual hammer 100 has fine safety in utilization.

The composite reinforcement section 203 of the present invention is composed of a portion 2031 of the hammer shank 20 and a reinforcement 2032 formed on the portion 2031. The portion 2031 of the raw hammer shank 20 of the composite reinforcement section 203 comprises a core rod 20311 of the hammer shank 20 and raw tool shank material 20312 composite on a portion of the core rod 20311 of the hammer shank 20, and at least one groove 20313, such as a thread, is provided in the raw tool shank material 20312 composite on a portion of the core rod 20311 of the hammer shank 20.

When assembling the hand hammer 100, the reinforcement members 2032 are not first combined. The hammer head 10 is slid along the hammer shank 20 from one end of the portion 2031 of the original hammer shank 20 to the middle section 202 of the hammer shank, and then the reinforcement 2032 is compounded (e.g., injection molded) onto the portion 2031 of the original hammer shank 20, and since the groove 20313 is formed on the original tool shank material 20312, the reinforcement 2032 and the original tool shank material 20312 can be compounded in a staggered manner, thereby further improving the compounding strength.

After the reinforcement 2032 is combined with a portion 2031 of the original hammer shank 20, the hammer head 10 is slid from the intermediate section 202 along the hammer shank 20 to the composite reinforcement section 203, and since the taper of the tapered assembly hole of the hammer head 10 is substantially the same as the taper of the composite reinforcement section 203 and the length of the composite reinforcement section 203 is greater than the length of the hammer head 10 along the hammer shank 10, the hammer head 10 is firmly connected to the composite reinforcement section 203.

The taper of the tapered fitting hole of the hammer head 10 and the taper of the composite reinforcement section 203 may range from 0.5 to 10 °, preferably from 2 ° to 10 °.

The reinforcement members 2032 are preferably made of a reinforced elastomeric material, including but not limited to nylon. The material of the hammer shank 10 includes, but is not limited to, polypropylene.

The utility model discloses well tool bit not only can be the tup of figure, still can be the tool bit of other forms, including but not limited to axe, hoe agricultural implement and garden instrument etc..

Based on the description of the preferred embodiments of the present invention, it should be clear that the invention as defined by the appended claims is not limited solely to the specific details set forth in the above description, but that many obvious modifications thereof, which do not depart from the spirit or scope of the invention, are equally possible to achieve the objects of the invention.

Claims

1. An inverted manual tool, which comprises a tool head and a tool handle, and is characterized in that the tool head is provided with a tapered assembly hole for installing the tool handle, one end of the tool handle assembled with the tool head comprises a composite reinforced section, the composite reinforced section has a taper, and when the inverted manual tool is installed, the taper of the composite reinforced section prevents the tool head from sliding off the composite reinforced section; and an enlarged structure at an end of the handle section of the tool shank adjacent the tool head, at least a portion of the enlarged structure having an outer diameter greater than a minimum aperture of the tapered mounting hole of the tool head.

2. The inverted hand tool of claim 1, wherein the composite reinforcement segment is comprised of a portion of the original tool shank and a reinforcement composite on the portion.

3. The inverted hand tool of claim 2, wherein the portion of the original toolholder of the composite reinforcement section comprises a mandrel of the toolholder and a material of the original toolholder composited over the portion of the mandrel of the toolholder, and wherein the material of the original toolholder composited over the portion of the mandrel of the toolholder is provided with at least one groove.

4. The inverted hand tool of any one of claims 1-3, wherein the tapered mounting hole of the tool head has a taper in a range from 0.5 ° to 10 °, and the composite reinforcement section has a taper in a range from 0.5 ° to 10 °.

5. The inverted hand tool of claim 4, wherein the tapered mounting hole of the tool head has a taper in a range from 2 ° to 10 °, and the composite reinforcement section has a taper in a range from 2 ° to 10 °.

6. The flip-chip hand tool of claim 2, wherein the reinforcement member comprises an elastic reinforcement member.