KR200405923Y1 - Reinforcing structure of hammer - Google Patents

Abstract

The present invention relates to a hammer, the hammer is a press-installed at the same time by inserting the split type fixture with the bag in the bag insertion hole, the fixture is caused by bending and damage that can be generated according to the impact received from the boundary of the head and the bag It prevents the left and right flow of the head due to long-term use by the fixed shaft installed from the head, and the shock absorber filled inside cancels the impact caused by the use of the hammer to significantly reduce the user's fatigue. It is effective in economical use by reinforcing pipe to reinforce the boundary point between the fixed body and the bag once again to prevent the bending and breakage of the hammer and to replace the new bag by removing the split pin. All..

Hammer, head, inserter, bag, fixture, reinforcement

Description

Reinforcing structure of hammer}

1 and 2 are cross-sectional views showing a general hammer,

Figure 3 is a perspective view of the present invention to remove the hammer,

Figure 4 is a longitudinal cross-sectional view showing a combination of the components of the hammer according to the present invention,

Figure 5 is a cross-sectional view showing a combination of the components of the hammer according to the present invention,

Figure 6 is a perspective view showing the separation of the hammer of one embodiment according to the present invention,

Figure 7 is a longitudinal cross-sectional view showing a bag in combination with the head in Figure 6 according to the present invention,

Figure 8 is a cross-sectional view showing the head in combination with the bag in Figure 6 according to the present invention.

◎ Explanation of symbols for main part of drawing

10: hammer 11: inserter

12: head 12a: fixed shaft

12b: fastener 14: sack

14a: guide groove 14b: connector

20: fixed body 20b: coupling hole

30: reinforcing pipe P1: first split pin

P2: second split pin

The present invention relates to the reinforcing structure of the hammer, and more specifically, in the connection of the hammer head and the metal bag, it is possible to strengthen the coupling force and the connection point of them, It offsets the impact to reduce operator fatigue while making it economical to replace heads and damaged bags.

In general, a hammer (Hemmer) is a blow tool used in the hand, as a typical example is used for the purpose of hitting the material, or other damage, or pull out the nail according to the shape. Types of hammers include rubber hammers, synthetic resins, or wood hammers, depending on the material of the head. Representative hammers may be representative of products made of metal materials.

Hammer 10 has been produced by forging for a long time, as in Figures 1 and 2.

Figure 1 is a longitudinal cross-sectional view showing a metal bag coupled to, Figure 2 is a longitudinal cross-sectional view showing a wood type bag combined, a circular or rectangular bag insertion hole 11 in the center of the metal head (12) Is formed, and the sack insertion hole 11 is used by inserting and joining the sack 14, which is made of hardwood, birch or metal material with good strength and elasticity.

In general, in the use of a hammer, a head made of a metal material acts to force the head to be separated by a force hitting to nail or otherwise break or cut an object. In order to prevent such a point, the joint part of the bag guided to the head insertion hole of the head is fitted with a wedge of a separate wood or screw on the upper part to enlarge the volume of the upper part of the bag, and then an adhesive such as an epoxy resin is hardened thereon. It has been used for the purpose of preventing departure.

In addition, the impact from the head portion in the use of the hammer is transmitted to the hand held by the worker through the bag as it is, such a shock transmission accompanied the impact on the wrist, elbow, shoulder, etc. There was a problem.

In particular, when the bag is made of a metal material, deformation such as bending occurs, and the bag made of a wood material has a problem of easily broken due to a weak point between the head of the hammer and the bag.

As described above, the metal bag applied to the hammer is a hollow pipe, which is mostly used by welding a joint part by a welding operation in a state of being pressed into the bag insertion hole of the head.

In addition, in the case of the bag as described above, most of the shape is made of a hollow in consideration of the metal material, but the stress received from the boundary point (A) between the head and the bag gradually changes in bending, etc., making it practically difficult to use a hammer. There was a discontinuance.

In particular, due to the welding point (B) of the bag and the head has been an uneconomical closure that can not be separated and discarded integrally.

The stress received at the boundary point of the hammer head and the sack part as described above was concentrated in one part, and the damage of this part was frequent. This is because the shock absorption from the impact of the head portion is not properly made, the problem with the use of the hammer, the metal bag, the head part is easily detached or warped from the bag, the wood material In the case of a bag, as mentioned above, there existed defects, such as a broken boundary part.

The present invention is to solve the conventional problems as described above, to prevent the separation of the head and the bag of the hammer, and to reduce the fatigue of the operator by offsetting the impact inherited from the head by the blow, while the head and the bag Its purpose is to reinforce the boundary of the bag to prevent deformation and breakage of the bag as much as possible, and to easily replace the bag from the head when the bag is damaged so that it can be used economically.

According to the present invention for achieving the above object, in the hammer by inserting one end of the bag into the bag insertion hole in the center of the head, a fixed shaft across the bag insertion hole from the side of the head is press-installed, fixed shaft Fixing holes are formed through the installed line, and a U-shaped guide groove for supporting the fixed shaft from the inside of the bag insertion hole is formed at the tip of the bag insertion hole, while the fixing hole of the head is formed on the line where the guide groove is formed. A matching connection hole is formed, and the fixing hole and a pair of fixing bodies formed with a matching hole matching the connection hole are padded on both sides of the insertion part of the bag, and are press-installed. It is detachably installed by a first split pin provided in the connection hole, and is hollowed at the boundary of the insertion part of the bag from the fixed body drawn from the head. But insert a steel pipe member, characterized in that said at its outside is installed detachably to the second split pin which is provided by drilling a coupling hole passing through the fixture and the bag.

Hereinafter, the present invention will be described in more detail with reference to FIGS. 3 to 8.

Attached Figure 3 is a perspective view showing a separate hammer of the present invention, Figure 4 is a longitudinal cross-sectional view showing a combination of the components of the hammer according to the present invention, Figure 5 is a combination of the components of the hammer according to the present invention It is a cross-sectional view shown.

The present invention is in the hammer 10 by inserting one end of the bag 14 in the bag insertion hole 11 of the center of the head 12,

The fixed shaft 12a across the bag insertion hole 11 is press-installed from the side of the head 12, the fixed hole 12b is formed through the line on which the fixed shaft 12a is installed, and the bag ( At the tip of the insertion portion 14-1, a U-shaped guide groove 14a for hanging and holding the fixed shaft 12a from the inside of the bag insertion hole 11 is formed, while the guide groove 14a is formed. A pair of connection holes 14b are formed in line with the fixing holes 12b of the head 12, and the coupling holes 20a are formed in line with the fixing holes 12b and the connecting holes 14b. The fixture 20 is padded on both sides of the insertion portion (14-1) of the bag 14 is pressed in, the fixed 12b ball of the head 12, the coupling hole 20a of the fixture 20 The insertion part of the bag 14 is detachably installed by the first split pin P1 provided in the connecting hole 14b of the bag 14, and is drawn from the fixing body 20 drawn out from the head 12. 14-1) The hollow reinforcement pipe 30 at the boundary point It is inserted and further included, the structure is detachably installed by a second split pin (P2) provided by drilling the coupling holes (14c) 21c (31c) penetrating the fixing body 20 and the bag 14 from the outside thereof. to be.

The bag 14 is a hollow pipe made of a metal material, and one end of the grip G of the rubber material, which is sealed, is inserted from one side, and the shock absorber 14-2 is filled in the hollow. 14-2) can be filled by adopting any one material of soft rubber piece, compressed styrofoam piece, waste tire piece, and sponge.

It is preferable to fill the urethane (S) from the front surface of the insertion portion (14-1) of the bag (14) to be treated.

The fixture 20 is made of a metal material and is formed to have a cross-sectional shape divided according to the cross-sectional shape of the bag insertion hole 11 and the bag 14.

That is, the fixture 20 shown for the cross-sectional shape of the bag insertion hole 11 and the bag 14 in the figure is divided into an oval shape, an example of the fixture is a type of dividing a rectangular body, although not shown It can also be applied as a semicircular partition.

Figure 6 is a perspective view showing an embodiment of a hammer according to the present invention, Figure 7 is a longitudinal cross-sectional view showing a bag in combination with the head in Figure 6 according to the present invention, Figure 8 is a view according to the present invention Figure 6 The longitudinal cross-sectional view which shows Essack in combination with the head.

In the hammer 10 according to the present invention, the bag 14 may use a universal wood, it is possible to form a component of the connection hole (14b) including the guide groove (14a).

The bag 14 of the wood type is applied to the head 12 in the same manner as the combination of the reinforcement pipe 30 as well as the fixture 20.

Referring to the operation and effects of the assembly and use of the hammer according to the present invention is configured as follows.

First, the combination of the head 12 and the bag 14, which are components of the hammer 10, is the bag 14, as shown in FIG. 3 shown from the rear of the bag insertion hole 11 formed in the head 12. In the state in which the fixed body 20 is located in the insertion part 14-1 of the installation, it press-fits directly into the bag insertion hole 20.

The fixed body 20 press-fitted into the bag insertion hole 11 is divided into press-fits in a state in which the bag is pressed in a state in which both sides of the bag are inserted into each other, and the insertion part 14-1 of the bag 14 is inserted. Guide grooves (14a) formed at the tip is coupled while guiding the fixed shaft (12a) across the bag insertion hole (11).

The guide groove 14a of the bag 14 is received from the fixed shaft 12a in order to prevent the left and right flow of the hammer when combined.

The guide groove 14a of the bag 14 is guided to the fixed shaft 12a as described above, and the coupling hole 14b on the bag 14 side is coupled to the fixed body 20 in a state where the bag is completely press-fitted. The balls 20b coincide with each other, and they coincide with the fixing holes 12b penetrated from the outside of the head 12 to the bag insertion hole 11, so that the first split pin P1 provided from the outside is inserted. Connect them together. Wherein the first split pin (P1) serves to prevent the separation of the bag 14 and the head 12 to prevent the separation point from the bag during the use of the hammer.

On the other hand, in the state as described above, the fixed body 20 is protruded from the bag insertion hole 11 of the head 12, the outside of the hollow reinforcement pipe 30 is sandwiched from one end of the bag give.

As such, the protrusion of the fixture 20 from the head 12 serves to reinforce the boundary point between the bag 14 and the head 12 to be press-fitted.

The reinforcing pipe body 30 is coupled to the padding point of the fixing body 20 and the bag 14 protruding in a state corresponding to each side with respect to the bag, in this state and the reinforcing pipe body 30 and By fixing the fixture 20 and the bag 14 together by inserting the second split pins P2 provided in the respective coupling holes 14c, 21c, 31c formed by a series of drilling operations, the fixture ( There is an effect of reinforcing the warpage, breakage, etc. that may occur from the boundary between the 20 and the bag (14).

In the hammer 10 is installed in the combination as described above, the urethane (S) is filled from the front surface of the bag insertion hole 11 to harden. The urethane (S) is filled and introduced into the fixed shaft 12a of the head 12 and the guide groove 14a of the bag 14 to complement the coupling of the bag and the head, and finish the appearance.

On the other hand, the inside of the bag 14 is filled with the shock absorber 14-2, and the grip G is coupled from one end thereof, which is absorbed by the impact of the hammer 10 is filled in the bag Offset in the shock absorber (14-2) has the advantage that can significantly reduce the fatigue transmitted from the wrist of the operator.

As a result, the bag 14 is made of a hollow metal material, it is possible to prevent the occurrence of bending, as well as shock absorption, the separation of the head 12.

On the other hand, the bag 14 of the example according to the present invention is made of a wood material, which is a guide groove formed in the insertion portion 14-1 of the bag 14, as shown in Figure 6 to 8 attached The function of the 14a, the connection hole 14b and the coupling hole 14c is installed in the same manner as the metal bag described above, and the fixing body 20, the reinforcing pipe body 30, and the first split pin P1 are installed therein. The application of the second split pin (P2) component is also the same.

The wood-type bag as described above has a relatively insufficient shock absorption, but the boundary point between the head 12 and the bag 14 is damaged by press-fitting the bag 14 to the head together with the fixture 20. It can be minimized, the reinforcement pipe 30 also has the advantage that it can be equipped with durability in the impact caused by the use of the hammer 10 by reinforcing the boundary point of the fixed body 20 and the bag (14).

On the other hand, in the hammer according to the present invention, when the deformation or damage of the bag due to excessive impact use, the first split pin (P1) from the fixing hole (12b) of the head 12, the coupling of the reinforcing pipe 30 Since the head 12 and the bag 14 can be completely separated from the ball 30c by separating the reinforcing pipe 30 and the fixed body 20 while the second split pin P2 is separated, In this design, the new bag is replaced on the head of the hammer, which is completely fixed by simple welding of the head and the bag. do.

As described above, the hammer of the present invention press-installs a split type fixture in a bag insertion hole together with a bag, thereby preventing the bending and damage that may occur due to the impact received from the boundary point between the head and the bag. In addition to providing a preventive effect, the fixed shaft installed from the head prevents the left and right flow of the head due to long-term use, and the shock absorber filled inside cancels the impact of the hammer to significantly reduce the user's fatigue It is effective, and the reinforcing pipe reinforces the boundary point between the fixed body and the bag once again to prevent the bending and breakage of the hammer, and the replacement of the new bag by the removal of the split pin provides economical use. It is a very useful design.

Claims (6)

In the hammer 10 by inserting one end of the bag 14 into the bag insertion hole 11 in the center of the head 12, The fixed shaft 12a across the bag insertion hole 11 is press-installed from the side of the head 12, the fixed hole 12b is formed through the line on which the fixed shaft 12a is installed, and the bag ( At the tip of the insertion portion 14-1, a U-shaped guide groove 14a for hanging and holding the fixed shaft 12a from the inside of the bag insertion hole 11 is formed, while the guide groove 14a is formed. A pair of connection holes 14b are formed in line with the fixing holes 12b of the head 12, and the coupling holes 20a are formed in line with the fixing holes 12b and the connecting holes 14b. The fixture 20 is padded on both sides of the insertion portion (14-1) of the bag 14 is pressed in, the fixed 12b ball of the head 12, the coupling hole 20a of the fixture 20 The insertion part 14 of the bag 14 is detachably installed by the first split pin P1 provided in the connection hole 14b of the bag 14 and is drawn from the head 12 drawn from the head 12. -1) the hollow reinforcement pipe 30 at the boundary point It is inserted, including, but is detachably installed by a second split pin (P2) provided by drilling the coupling holes 21c, 14c, 31c penetrating the fixing body 20 and the bag 14 from the outside thereof. Hammer reinforcement structure. The method of claim 1, wherein the bag 14 is a hollow pipe made of a metal material, one end of the rubber material grip G is inserted from one side, the impact absorbing material (14-2) is filled in the hollow. Hammer reinforcement structure, characterized in that. 3. The hammer reinforcing structure according to claim 2, wherein the impact absorber (14-2) is any one of a soft rubber piece, a compressed styrofoam piece, a waste tire piece, and a sponge. The hammer reinforcement structure according to claim 1, wherein the bag is made of wood. The hammer reinforcement structure according to claim 1, wherein the urethane (S) is filled from the front surface of the insertion part (14-1) of the bag (14). The hammer reinforcement structure according to claim 1, wherein the fixing body (20) is made of metal and has a cross-sectional shape divided according to the cross-sectional shape of the bag insertion hole (11) and the bag (14).

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