CN218621369U

CN218621369U - Hand awl

Info

Publication number: CN218621369U
Application number: CN202223181069.8U
Authority: CN
Inventors: 徐云根
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-03-14
Anticipated expiration: 2032-11-28

Abstract

The utility model provides a hand awl, which comprises a sleeve, a clamp body, a handle seat and a awl needle, wherein the clamp body is of a columnar structure, one end of the clamp body is provided with a threaded body, the other end of the clamp body is provided with a clamping part, the clamping part consists of a plurality of clamping petals, and the clamping petals are arranged in a circular array; the handle seat is provided with a nut body, the handle seat is positioned at one end of the sleeve, the clamping body is connected in the sleeve, and the thread body at one end of the clamping body is connected with the nut body on the handle seat; a circular truncated cone inclined plane is arranged on the periphery of the clamping part, and an inner conical surface corresponding to the circular truncated cone inclined plane is arranged at one end of the sleeve; one end of the conical needle is provided with a convex tooth body; the awl needle inserts and installs in clamping part center, and the dogtooth body card is gone into the clearance department of two adjacent clamp lamella. The utility model discloses in, be equipped with the dogtooth body on the awl, set up the gap department that two adjacent clamp lamellas are gone into to the dogtooth body card on the awl, effectively increased the area of connection between awl and clamp lamella like this to the firmness of awl centre gripping has been increased, and overall structure is simple, the processing and manufacturing of being convenient for.

Description

Hand awl

Technical Field

The utility model relates to a hand tool technical field, in particular to hand awl.

Background

The hand awl is a hand tool commonly used in spinning and needle and thread activities at present. Existing handcones include a handle portion and a awl needle disposed on the handle portion. In the existing hand awl, in order to realize the installation and replacement of the awl needle, a clamping mechanism for clamping the awl needle is generally provided at the handle portion.

In traditional hand awl, clamping mechanism has the problem that the structure is complicated, press from both sides tightly insecurely, and the awl needle is after being clamped by clamping mechanism, and when the awl needle received great pulling force, the awl needle was extracted very easily, and it is comparatively inconvenient to use.

Disclosure of Invention

The utility model aims at solving the problems of complex structure and loose clamping of the clamping mechanism in the prior hand awl, providing a hand awl which can effectively solve the problems.

The purpose of the utility model is realized through the following technical scheme: a hand cone comprises a sleeve, a clamping solid, a handle base and a conical needle, wherein the clamping solid is of a columnar structure, a thread body is arranged at one end of the clamping solid, a clamping part is arranged at the other end of the clamping solid, the clamping part is composed of a plurality of clamping petals, and the clamping petals are arranged in a circular array mode; the handle seat is provided with a nut body, the handle seat is positioned at one end of the sleeve, the clamping body is connected in the sleeve, and the thread body at one end of the clamping body is connected with the nut body on the handle seat; a circular truncated cone inclined plane is arranged on the periphery of the clamping part, and an inner conical surface corresponding to the circular truncated cone inclined plane is arranged at one end of the sleeve; one end of the conical needle is provided with a convex tooth body; the awl needle inserts and installs in clamping part center, and the dogtooth body is blocked in the clearance department of two adjacent clamp lamellas.

In the utility model, the awl needle is clamped and installed by the clamping flaps on the clamping part, when the awl needle is installed, the clamping flaps are firstly in an open state, one end of the awl needle is inserted into the middle of the clamping flaps, then the handle base is rotated, under the action of thread fit, the clamping body moves towards the handle base, and under the action of the inner conical surface, the clamping flaps are folded, so that the awl needle is clamped; the convex tooth body arranged on the conical needle is clamped into the gap between the two adjacent clamping flaps, so that the connecting area between the conical needle and the clamping flaps is effectively increased, the clamping firmness of the conical needle is increased, and the probability that the conical needle is pulled out by external force is reduced. The utility model has the advantages that the whole structure is simple, the number of parts is small, the processing and the manufacturing are convenient, the use is more convenient, and the installation and the replacement of the awl needle are greatly convenient.

Preferably, one end of the handle seat close to the sleeve is provided with an annular boss, the sleeve is provided with a groove corresponding to the annular boss, and the annular boss is connected in the groove. The annular boss on the handle seat is matched with the groove on the sleeve, and the relative position between the handle seat and the sleeve is restrained through the matching between the annular boss and the groove.

Preferably, a cross groove is formed in the solid clamping body, and divides one end of the solid clamping body into four clamping flaps.

Preferably, the front end of the conical needle is provided with a needle hook.

Preferably, the sleeve and the taper shank are both made of metal material.

Preferably, a handle cover is connected to one end of the handle holder.

Preferably, the convex tooth body protrudes from the side surface of the awl needle.

The utility model has the advantages that: in the utility model, the awl needle is clamped and installed by the clamping flaps on the clamping part, when the awl needle is installed, the clamping flaps are firstly in an open state, one end of the awl needle is inserted into the middle of the clamping flaps, then the handle base is rotated, under the action of thread fit, the clamping body is moved towards the handle base, and under the action of the inner conical surface, the clamping flaps are folded, so that the awl needle is clamped; the convex tooth body arranged on the conical needle is clamped into the gap between the two adjacent clamping flaps, so that the connecting area between the conical needle and the clamping flaps is effectively increased, the clamping firmness of the conical needle is increased, and the probability that the conical needle is pulled out by external force is reduced; the utility model has the advantages that the whole structure is simple it is single, part is small in quantity, the processing and manufacturing of being convenient for, and it is comparatively convenient to use, has made things convenient for the installation and the change of awl needle greatly.

Drawings

Fig. 1 is an exploded view of the structure of the present invention.

Fig. 2 is a schematic structural diagram of the assembled device of the present invention.

Fig. 3 is a cross-sectional view of the present sleeve.

Fig. 4 is a schematic view of a structure for sandwiching a solid.

In the figure: 1. the handle comprises a sleeve, 2, a handle base, 3, a clamping body, 4, a conical needle, 5, a clamping petal, 6, a thread body, 7, a nut body, 8, an annular boss, 9, a convex tooth body, 10, a handle cover, 11, a through hole, 12, an inner conical surface, 13, a groove, 14 and a circular truncated cone inclined surface.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art all belong to the protection scope of the present invention.

It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in a generic and descriptive sense only and not for purposes of limitation, as the terms are used in the description to indicate that the referenced device or element must have the specified orientation, be constructed and operated in the specified orientation, and not for the purposes of limitation.

It is understood that the terms "a" and "an" should be interpreted as meaning "at least one" or "one or more," i.e., that a quantity of one element may be one in one embodiment, while a quantity of another element may be plural in other embodiments, and the terms "a" and "an" should not be interpreted as limiting the quantity.

As shown in figures 1-4, a hand awl comprises a sleeve 1, a clamping body 3, a handle base 2 and a awl needle 4. The front end of the conical needle 4 is provided with a needle hook. The clamp solid body 3 is in a columnar structure, a thread body 6 is arranged at one end of the clamp solid body 3, and a clamping part is arranged at the other end of the clamp solid body 3. Wherein, the side of the screw body 6 is provided with an external screw thread.

The clamping portion consists of several clamping petals 5, which clamping petals 5 are arranged in a circular array. Specifically, a cross groove is provided in the clamping portion, and divides one end of the clip body 3 into four clip pieces 5.

The sleeve 1 is provided with a through hole 11, and the handle base 2 is provided with a nut body 7. Wherein, nut body 7 is equipped with the screw hole, and the inboard of screw hole is equipped with the internal thread. The handle seat 2 is positioned at one end of the sleeve 1, the clamping body 3 is connected in the sleeve 1, and the threaded body 6 at one end of the clamping body 3 is connected with the nut body 7 on the handle seat 2 in a threaded connection. The periphery of the clamping part is provided with a circular truncated cone inclined surface 14, and one end of the sleeve 1 is provided with an inner conical surface 12 corresponding to the circular truncated cone inclined surface 11.

One end of the conical needle 4 is provided with a convex tooth body 9; the awl needle 4 is inserted and installed in the centre of the clamping part, and the convex tooth body 9 is clamped into the gap between two adjacent clamping petals 5. Wherein, the convex tooth body 9 protrudes out of the side surface of the conical needle 4.

One end of the handle seat 2 close to the sleeve 1 is provided with an annular boss 8, the sleeve 1 is provided with a groove 13 corresponding to the annular boss 8, and the annular boss 8 is connected in the groove 13. The annular boss on the handle seat is matched with the groove on the sleeve, and the relative position between the handle seat 2 and the sleeve 1 is restrained through the matching between the annular boss and the groove.

In the utility model, the sleeve 1 and the taper shank 2 are made of metal material. One end of the handle base 2 is connected with a handle cover 10, and the handle cover 10 is directly sleeved on the handle base 2.

In the utility model, the awl needle is clamped and installed through the clamping flaps on the clamping part, when the awl needle is installed, the clamping flaps are firstly in an open state, one end of the awl needle is inserted into the middle of the clamping flaps, then the handle seat is rotated, under the action of thread fit, the clamping body is moved towards the handle seat, and under the action of the inner conical surface, the clamping flaps are folded, so that the awl needle is clamped; the convex tooth body arranged on the conical needle is clamped into the gap between the two adjacent clamping flaps, so that the connecting area between the conical needle and the clamping flaps is effectively increased, the clamping firmness of the conical needle is increased, and the probability that the conical needle is pulled out by external force is reduced. The utility model has the advantages that the whole structure is simple it is single, part is small in quantity, the processing and manufacturing of being convenient for, and it is comparatively convenient to use, has made things convenient for the installation and the change of awl needle greatly.

The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by the teaching of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as the present invention, fall within the protection scope of the present invention.

Claims

1. A hand cone is characterized by comprising a sleeve, a clamping solid, a handle base and a conical needle, wherein the clamping solid is of a columnar structure, a threaded body is arranged at one end of the clamping solid, a clamping part is arranged at the other end of the clamping solid, the clamping part consists of a plurality of clamping petals, and the clamping petals are arranged in a circular array mode; the handle seat is provided with a nut body, the handle seat is positioned at one end of the sleeve, the clamping body is connected in the sleeve, and the thread body at one end of the clamping body is connected with the nut body on the handle seat; a circular truncated cone inclined plane is arranged on the periphery of the clamping part, and an inner conical surface corresponding to the circular truncated cone inclined plane is arranged at one end of the sleeve; one end of the conical needle is provided with a convex tooth body; the awl needle inserts and installs in clamping part center, and the dogtooth body is blocked in the clearance department of two adjacent clamp lamellas.

2. The hand awl of claim 1, wherein the handle holder has an annular projection at an end thereof adjacent to the sleeve, the sleeve having a recess corresponding to the annular projection, the annular projection being connected to the recess.

3. The hand awl of claim 1, wherein the clip body is provided with a cross slot that divides one end of the clip body into four gripping lobes.

4. The awl of claim 1 wherein the awl has a hook at the forward end of the awl.

5. The hand awl of claim 1 wherein said sleeve and said awl shaft are both made of a metallic material.

6. The hand awl of claim 1, wherein a handle cover is attached to one end of the handle holder.

7. The hand awl of claim 1, wherein the spur body protrudes from the side of the awl needle.