CN106142013A

CN106142013A - Hammer

Info

Publication number: CN106142013A
Application number: CN201510128345.XA
Authority: CN
Inventors: 余闻天
Original assignee: Hangzhou Great Star Industrial Co Ltd
Current assignee: Hangzhou Great Star Tools Co Ltd; Hangzhou Great Star Industrial Co Ltd
Priority date: 2015-03-23
Filing date: 2015-03-23
Publication date: 2016-11-23

Abstract

The invention discloses a kind of hammer, including handle and tup, tup also includes integrated crashproof portion with it, described crashproof portion downwardly extends from initial surface, wrapping handle at least in part and be positioned at the side under the impact surface of tup, wherein initial surface is the face overlapped with the tup of common hammer and the separating surface of handle.

Description

Hammer

Technical field

The present invention relates to a kind of hammer, belong to hand-operated tools field.

Background technology

Hammer is a kind of to apply extremely wide simple tool, generally comprise the tup being made up of steel or other metals and These two parts of handle being made up of wood or other composites such as glass fibre etc., one end of tup is for having impact The impact portion in face, the other end is commonly used for the Cornu Caprae seu Ovis portion of nail nipping.Mortise is had, the one of handle at the middle part of tup End is inserted among the mortise of tup by interference fit, thus tup and handle is fixed together.

When using hammer such as iron nail to wait impact object, it may occur that owing to the impact surface of tup is the most accurately hit Object to be impacted, and make object to be impacted strike the situation of handle of tup lower end, the generation of this situation can be led Cause the damage of handle, getting loose between handle and tup, serious time even can directly result in the connection of tup and handle The fracture at place, substantially reduces the service life of hammer.

Summary of the invention

Because the drawbacks described above of prior art, the technical problem to be solved be to provide one can prevent by Impact surface in tup the most accurately hits object to be impacted, and makes object to be impacted strike the handle of tup lower end, Hammer is caused to damage the hammer lost efficacy

For achieving the above object, the invention provides a kind of hammer, including handle and tup, tup also includes and it Integrated crashproof portion, described crashproof portion downwardly extends from initial surface, wraps handle at least in part and is positioned at hammer Side under the impact surface of head, wherein initial surface is to overlap with the tup of common hammer and the separating surface of handle Face.

In the better embodiment of the present invention, the circumference of impact surface has the first point that position is minimum, crashproof portion Second point is extended to, the folder between line and the horizontal plane crossing at first between and second point at first from initial surface Angle α is less than or equal to 55 degree.

In another better embodiment of the present invention, length L that crashproof portion downwardly extends from initial surface is not less than The diameter D of impact surface, and no more than 1.5D.

In another better embodiment of the present invention, the thickness W of crashproof portion (23) is more than 2mm.

In another better embodiment of the present invention, the central point of the cross section of handle and the tangent line at two ends, crashproof portion The angle β formed is more than or equal to 65 degree, less than or equal to 90 degree.

In another better embodiment of the present invention, the termination of handle hammers into anti-dropping nail.

In another better embodiment of the present invention, it is opened in the mortise in the middle part of tup and is positioned at the opening of end face of tup Mouth side is provided with reversed cone angle.

When impact surface fails accurately to hit by impact object, crashproof portion can protect handle, keeps out directly from waiting to hit Beat the impulsive force of object, and crashproof portion and the one-body molded intensity being conducive to increasing crashproof portion of tup, the most favourable In production and processing.

Below with reference to accompanying drawing, the technique effect of design, concrete structure and the generation of the present invention is described further, To be fully understood from the purpose of the present invention, feature and effect.

Accompanying drawing explanation

Fig. 1 is the hammer partial sectional view of a preferred embodiment of the present invention.

Fig. 2 is the sectional view of common hammer tup.

Fig. 3 is the sectional view of the tup of the hammer of a preferred embodiment of the present invention.

Fig. 4 is the sectional view of the tup of the hammer of a preferred embodiment of the present invention.

Fig. 5 is the viewgraph of cross-section in the crashproof portion of the hammer of a preferred embodiment of the present invention.

Detailed description of the invention

Fig. 2 shows common tup 100 of the prior art, and its one end is columned impact portion 101, another End is Cornu Caprae seu Ovis portion 102, and the end face of the microprotrusion of impact portion 101 is the scope of attack 1011.The middle part of tup 100 is offered There is mortise 103.As shown in fig. 1, common hammer has the separating surface P between tup 100 and handle, Handle is positioned at being fit partially within mortise 103 of more than separating surface P, and handle is positioned at the part of below separating surface P Outside being then exposed to.Owing to hammer impact force when impact is more concentrated at separating surface P, especially work as impact Face 1011 fails to hit in time impacting object and make impulsive force be applied directly on handle, is therefore common hammer In place of sub-weakness, it is susceptible to lose efficacy.

Fig. 1 shows the hammer of a specific embodiment according to the present invention, including handle 1 and tup 2 two parts. As it is shown on figure 3,21 is the impact surface of tup 2, having mortise 22 at the middle part of tup 2, handle 2 is with interference The mode coordinated is inserted in mortise 22.Unlike common tup 100, tup 2 in the present embodiment Also including integrated crashproof portion 23 with it, crashproof portion 23 downwardly extends from initial surface P ', at least in part Wrapping handle 1 and be positioned at the side under impact surface 21, shown in Fig. 5, wherein initial surface P ' is and commonly hammers into shape The face that the separating surface P of son overlaps, such as Fig. 2.When impact surface 21 fails accurately to hit by impact object, crashproof Portion 23 is used for protecting handle 21, keeps out the impulsive force directly from object to be impacted.

In the present embodiment, crashproof portion and the one-body molded intensity being conducive to increasing crashproof portion of tup are the most favourable In production and processing.

In a preferred embodiment, as it is shown on figure 3, a bit that on the circumference that T is impact surface 21, position is minimum, Crashproof portion 23 downwardly extends length L to putting T ' from initial surface P ' so that with the some T of T point Yu crashproof portion 23 Line between ' and cross the horizontal plane P of T point " between angle α be not more than 55 degree.

In an additional preferred embodiment, as shown in Figure 4, the length that crashproof portion 23 downwardly extends from initial surface P ' Degree L is not less than the diameter D, no more than 1.5D of impact surface 21.

In an additional preferred embodiment, as it is shown in figure 5, the thickness W in crashproof portion 23 is more than 2mm.

In an additional preferred embodiment, as it is shown in figure 5, the central point C of the cross section of handle 1 and crashproof portion Between the angle β that the tangent line at 23 two ends is formed is more than or equal to 65 degree and less than or equal to 90 degree.

As it is shown in figure 1, in the present embodiment or other embodiment, also can follow closely on the termination of handle 1 further Entering anti-dropping nail 3 makes the termination of handle 1 expand, and makes to coordinate the tightst between handle 1 with tup 2, makes both It is less susceptible to get loose.The most as shown in Figure 3,4, mortise 22 also can arrange back taper in the open side of the end face of tup 2 Angle A, is so more beneficial for handle fixing in mortise 22.

The preferred embodiment of the present invention described in detail above.Should be appreciated that those of ordinary skill in the art Just many modifications and variations can be made according to the design of the present invention without creative work.Therefore, all technology neck In territory, technical staff is the most on the basis of existing technology by logical analysis, reasoning or limited Test available technical scheme, all should be in the protection domain being defined in the patent claims.

Claims

1. a hammer, including handle (1) and tup (2), it is characterised in that described tup (2) also includes Integrated crashproof portion (23) with it, described crashproof portion (23) downwardly extends from initial surface (P '), Wrap described handle (1) at least in part to be positioned under the impact surface (21) of described tup (2) Side, wherein said initial surface (P ') is separating surface (P) weight of the tup with common hammer and handle The face closed.

2. hammer as claimed in claim 1, wherein, the circumference of described impact surface (21) has position minimum The first point (T), described crashproof portion (23) extends to second point (T from described initial surface (P ') '), the line between described first point (T) and second point (T ') and the water crossing the first point (T) (" angle α between) is less than or equal to 55 degree to P to plane.

3. hammer as claimed in claim 1, wherein, described crashproof portion (23) is from described initial surface (P ') Length L downwardly extended is not less than the diameter D of impact surface (21), and no more than 1.5D.

4. such as hammer any one of in claim 1-3, wherein, the thickness W of described crashproof portion (23) More than 2mm.

5. such as hammer any one of in claim 1-3, wherein, the cross section of described handle (1) Central point (C) is more than or equal to 65 degree with the angle β of the tangent line formation at described crashproof portion (23) two ends, Less than or equal to 90 degree.

6. hammer as claimed in claim 1, wherein, has hammered into anti-dropping nail on the termination of described handle (1) (3)。

7. hammer as claimed in claim 1, wherein, is opened in the mortise (22) at described tup (2) middle part The open side of the end face being positioned at tup (2) is provided with reversed cone angle.