TWM618322U - Prying head and hand tool thereof - Google Patents

Abstract

A prying head, which is used in cooperation with a hand tool, is provided in the present disclosure. The prying head includes a prying portion, a supporting portion and an assembling portion. The prying portion includes a ground-abutting surface and an article-abutting surface. The article-abutting surface is connected to the ground-abutting surface to form a sharp edge. The supporting portion is connected to the prying portion and includes a curved surface. The curved surface is connected to the ground-abutting surface and the article-abutting surface, in order to make an end of the supporting portion away from the sharp edge into a curved form. The assembling portion is connected to the supporting portion and includes a blind hole. The blind hole is recessed from an end of the assembling portion away from the sharp edge. In this regard, the prying head and a handle can be assembled through the blind hole. The prying head can be easily detached and stored after use, which enhances the portability of carrying a plurality of tools.

Description

Prying head and hand tools

The new model relates to a tool and tool parts, in particular to a prying head that can be disassembled and assembled with a handle and a hand tool with a prying head.

Tools such as crowbars and wrenches are often used when repairing objects or construction. In short, both crowbars and wrenches use the principle of leverage. The crowbar can help workers easily pry open fixed objects or support heavy objects, while the wrench is used to loosen fasteners such as bolts or nuts. The above-mentioned tools are very convenient in operation and help improve the work efficiency of workers.

In addition, when repairing large objects, tools such as large crowbars and wrenches must be used. Such large tools have a long force arm (grip) to apply force or operate difficult-to-reach parts located in gaps. In order to make the work go smoothly, the workers will prepare all the large tools they need at one time. However, due to the large size and weight of the large tools, carrying multiple large tools at the same time often increases the burden on the workers.

In view of this, how to reduce the total volume of the large crowbar and wrench while retaining the original functions of the two tools is still a problem to be solved.

In order to solve the above problems, the purpose of the present invention is to provide a prying head and a hand tool, which adopts a convenient way of disassembly and assembly to achieve the functions of a wrench and a crowbar on the same hand tool.

An embodiment of one aspect of the present invention provides a prying head for use with a hand tool, which includes a prying part, a supporting part and an assembling part. The prying part includes a ground and a sticking surface, and the sticking surface is connected to the ground to form a tip. The supporting part is connected to the prying part, and the supporting part includes a curved surface, and the curved surface is connected to the ground and the object surface, so that the end of the supporting part away from the tip is arc-shaped. The assembling part is connected to the supporting part, and the assembling part includes a blind hole, and the blind hole is recessed at an end of the assembling part away from the tip.

Accordingly, when using the new pry head, the pry head can be assembled to a handle through the blind hole, and after use, the pry head can be easily disassembled and stored, which improves the portability when carrying multiple tools .

According to the aforementioned pry head, the support portion may further include a through hole, and the through hole penetrates from one side surface of the support portion to the opposite side surface.

According to the aforementioned prying head, the sticking to the ground can be divided into a sudden contraction section and a slow contraction section. The degree of tapering between the surface of the object is large.

According to the aforementioned prying head, the junction between the curved surface and the ground can form a fulcrum.

The aforementioned skid head may further include at least one groove or at least one through groove, at least one groove is recessed on one side surface of the skid portion, and the at least one through groove penetrates from one side surface of the skid portion to the opposite side surface.

The aforementioned prying head may further include at least one concave arc, and the at least one concave arc is concavely formed on an edge of the surface of the object.

An embodiment of another aspect of the present invention provides a hand tool, which includes a prying head, a wrench head, and a handle. The prying head includes a prying part, a supporting part and an assembling part. The prying part includes a ground and a sticking surface, and the sticking surface is connected to the ground to form a tip. The supporting part is connected to the prying part, and the supporting part includes a curved surface, and the curved surface is connected to the ground and the object surface, so that the end of the supporting part away from the tip is arc-shaped. The assembling part is connected to the supporting part, and the assembling part includes a blind hole, and the blind hole is recessed at an end of the assembling part away from the tip. The wrench head contains a card slot. The handle includes a plug-in section, and the plug-in section is detachably engaged with the slot of the wrench head or the blind hole of the prying head.

According to the aforementioned hand tool, the wrench head may further include an engaging end, which protrudes from one side of the wrench head, and the support portion of the lever head may further include a perforation, and the perforation penetrates from one side of the support to the opposite side On the other side of the device, the engaging end is detachably engaged with the through hole.

According to the aforementioned hand tool, wherein the handle is engaged with the wrench head along an assembly direction, the wrench head includes a top surface and a bottom surface extending along the assembly direction, and the minimum chord length of the curved surface of the lever head passing through the center of the perforation is greater than the top surface and the bottom surface The maximum distance.

According to the aforementioned hand tool, where the prying head is attached to the ground can be divided into a sudden shrinking section and a slow shrinking section. The shrinking section is closer to the tip of the prying head than the slow shrinking section. The degree of taper is greater than the degree of taper between the relief section of the prying head and the surface of the object.

According to the aforementioned hand tool, the joint between the curved surface of the prying head and the ground can form a point.

According to the aforementioned hand tool, the prying head may further include at least one groove or at least one through groove. One side penetrates to the opposite side.

According to the aforementioned hand tool, the pry head may further include at least one concave arc, and the at least one concave arc is recessed on an edge of the sticking surface of the pry head.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. For the sake of clarity, many practical details will be explained in the following description. In addition, for the sake of simplification of the drawings, some conventionally used structures and elements will be drawn in a simple schematic manner in the drawings; and repeated elements may be represented by the same or similar numbers.

Please refer to Figures 1 and 2. Figure 1 is a perspective view of a pry head 100 according to an embodiment of the new aspect, and Figure 2 is a front view of the pry head 100 shown in Figure 1 Schematic. The prying head 100 is used with a hand tool and includes a prying part 110, a supporting part 120 and an assembling part 130. The supporting part 120 is connected to the prying part 110, and the assembling part 130 is connected to the supporting part 120.

In detail, the prying part 110 includes a ground 111 and a ground 112, and the ground 112 is connected to the ground 111 to form a tip 113. When the pry head 100 is used, the tip 113 is easy to penetrate into the gap between the heavy object and the ground, and the weight is slightly raised, so that the prying part 110 can be smoothly pushed into the bottom of the heavy object.

Please also refer to FIG. 3A. FIG. 3A is a partial enlarged schematic diagram of the pry head 100 shown in FIG. 2 at 3a. The ground 111 of the prying head 100 can be in a plane shape, and can also be divided into a sudden contraction section 111a and a slow contraction section 111b. The contraction section 111a is closer to the tip 113 than the slow contraction section 111b, and the sudden contraction section 111a The degree of taper between the taped surface 112 and the taped surface 112 is greater than the tapered degree between the tapered section 111 b and the taped surface 112. In short, in the direction away from the tip 113 to the tip 113, the ground surface 111 and the object surface 112 will gradually move closer, and the degree of taper refers to the degree of gradual convergence. Due to the difference in the degree of tapering, the prying part 110 including the shrinking section 111a will form a slightly upturned structure. Therefore, in the process of pushing the prying head 100 into the bottom of the weight, the prying section including the shrinking section 111a 110 can first prop up the heavy object to enlarge the gap between the heavy object and the ground, so that the prying part 110 can enter the bottom of the heavy object more easily.

Please refer to FIGS. 1 and 2 again. The supporting portion 120 includes a curved surface 121 connected to the ground 111 and the object surface 112, so that the end of the supporting portion 120 away from the tip 113 is arc-shaped. In order to support heavy objects, the side of the pry head 100 adjacent to the support part 120 is forced to press down, so that the pry part 110 on the other side is raised, and the arc-shaped support part 120 can make the pry head The 100 rotates more smoothly against the ground, helping to lift heavy objects smoothly.

Please also refer to FIG. 3B. FIG. 3B is a partial enlarged schematic diagram of the pry head 100 shown in FIG. 2 at 3b. A fulcrum 122 can be formed at the connection between the curved surface 121 and the ground 111. The fulcrum 122 can help the supporting portion 120 and the prying portion 110 to perform a lever movement, so that the prying portion 110 carrying heavy objects can be lifted with less effort.

Please refer to FIGS. 1 and 2 again. The supporting portion 120 also includes a through hole 123, which penetrates from one side surface of the supporting portion 120 to the opposite side surface. The perforation 123 is used for the engagement of an engaging end of a wrench head. The method of assembling and using the lever head 100 and the wrench head will be described in another aspect of the present invention, which will not be repeated here.

The assembling part 130 includes a blind hole 131, and the blind hole 131 is recessed at an end of the assembling part 130 away from the tip 113. The blind hole 131 is used for assembling the components of the same size. In other words, as long as the components of the same size are provided, any handle can be installed on the pry head 100 to increase the use of the pry head 100.

Please refer to FIG. 1 and FIG. 4 together. FIG. 4 is a perspective view of a pry head 100a according to another embodiment of the present invention. The pry head of the present invention may further include at least one groove 140 as shown in FIG. 1, or may further include at least one through groove 150 as shown in FIG. 4.

Please refer to FIG. 1 first, at least one groove 140 is recessed on a side surface of the skid portion 110; by providing at least one groove 140, the total weight of the skid 100 can be reduced and the carrying burden can be reduced. In this embodiment, the number of at least one groove 140 may be, for example, two, and the two grooves 140 may be respectively located on the two sides of the prying part 110, and the arrangement position and shape of the two grooves 140 are preferably symmetrical, so that the prying The center of gravity of the head 100 will not deviate, and the head 100 can be handled more smoothly when picking up or using it. Please note that the number, position and shape of at least one groove 140 are not used to limit the present invention.

Please refer to Fig. 4 again. At least one through slot 150 penetrates from the side surface of the skid portion 110 to the opposite side. By providing at least one through slot 150, the total weight of the skid 100a can also be reduced, and the carrying capacity can be reduced. Time burden.

In addition, the prying heads 100 and 100a of the present invention may further include at least one concave arc 160, and at least one concave arc 160 is concavely formed on an edge of the attaching surface 112; by providing at least one concave arc 160, it can also reduce The total weight of the skid head 100 and 100a. The number of the at least one concave arc 160 can be, for example, two, and the two concave arcs 160 can be respectively located on the two edges where the attachment surface 112 and the two side surfaces of the prying part 110 meet, but please note that the number and position of the at least one concave arc 160 Features such as shape and shape are not intended to limit the present invention.

Please refer to FIG. 5. FIG. 5 is a three-dimensional exploded view of a hand tool 200 according to an embodiment of another aspect of the present invention. The hand tool 200 includes a prying head 300, a wrench head 400 and a handle 500. The structure of the prying head 300 is the same as that of the prying head 100, which will not be repeated here; and the wrench head 400 includes a card slot 410, The handle 500 includes an insertion section 510, which is detachably engaged with the slot 410 of the wrench head 400 or the blind hole 331 of the pry head 300, so that different components can be assembled with the handle 500 according to the conditions of use. , Making the hand tool 200 a crowbar or a wrench.

In other embodiments, the handle itself may also be divided into several sections, and each section of the handle may include a card slot and/or a plug-in section, that is, each section of the handle can be connected to other sections via the card slot and/or the plug-in section. Sectional handle connection; in addition to the multiple-section grip structure for easy storage, the total length of the hand tool can be changed by assembling different sections of the grip, so that the hand tool can be adjusted to the most suitable length for different needs.

Please refer to FIG. 6, which is another three-dimensional exploded view of the hand tool 200 shown in FIG. 5. The wrench head 400 may further include an engaging end 420. The engaging end 420 protrudes from one side of the wrench head 400. The wrench head 400 is detachably engaged with the perforation 323 of the pry head 300 by the engaging end 420, so as to detach the pry The head 300 is assembled to the wrench head 400. The engagement end 420 and the perforation 323 have corresponding structures, and the shape of the perforation 323 can be designed according to the engagement end of the existing wrench for manufacturing and assembly. An example of a joint, and the perforation 323 is also correspondingly arranged in a quadrangular shape, but the present invention is not limited to this.

Please refer to FIG. 7, which is a schematic diagram of the size comparison between the supporting portion 320 of the prying head 300 of the hand tool 200 shown in FIG. 5 and the wrench head 400. The handle 500 engages the wrench head 400 along an assembly direction X. The wrench head 400 includes a top surface 430 and a bottom surface 440 extending along the assembly direction X. The curved surface 321 of the lever 300 passes through the minimum chord length L at the center of the through hole 323 It can be greater than the maximum distance W between the top surface 430 and the bottom surface 440. In the state where the engaging end 420 of the wrench head 400 is engaged with the through hole 323 of the head 300, from the front view, the top surface 430 and the bottom surface 440 of the wrench head 400 will not exceed the curved surface 321 of the head 300, so use your hand When the tool 200 is used, the curved surface 321 of the prying head 300 can be used as a supporting point to facilitate lifting of heavy objects.

Please refer to Fig. 8, which is a schematic diagram of the use of the hand tool 200 shown in Fig. 5. The hand tool 200 of the present invention can be used instead of a common crowbar, and its assembly structure is particularly suitable for situations where space is insufficient, for example, for prying two adjacent weights T1 and T2 as shown in FIG. 8. Specifically, if the weight T1 is pried away from the weight T2, the hand tool 200 must pry the weight T1 through the narrow space S between the two weights T1 and T2. At this time, the wrench head can be used to pry the weight T1. The engaging end 420 of the 400 engages the perforation 323 of the prying head 300, so that the hand tool 200 forms a relatively long and narrow structure, which is convenient to enter the space S to smoothly pry the heavy object T1. Therefore, the hand tool 200 can be installed through the blind hole 331 or the perforation 323 of the prying head 300 to change the angle between the prying head 300 and the handle 500 for different usage scenarios, thereby increasing the practicability of the hand tool 200.

In summary, when using the new pry head, the pry head can be assembled to a handle through the blind hole, and after use, the pry head can be easily disassembled and stored, which improves the safety when carrying multiple tools. Portability.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention. Anyone who is familiar with this technique can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the protection of the present invention The scope shall be subject to the definition of the attached patent application scope.

100, 100a, 300: prying head 110: Prying Department 111: stick to the ground 111a: contraction section 111b: Relief segment 112: pasting surface 113: Tip 120, 320: Support 121,321: curved surface 122: fulcrum 123,323: Piercing 130: Assembly Department 131, 331: blind hole 140: Groove 150: piercing 160: Concave arc 200: hand tools 400: Wrench head 410: card slot 420: snap-in end 430: top surface 440: Bottom 500: Grip 510: plug-in section X: assembly direction W: Maximum distance from top surface to bottom surface L: The minimum chord length of the curved surface passing through the center of the perforation T1, T2: heavy objects S: Space between two weights

Figure 1 is a three-dimensional schematic diagram of a pry head according to an embodiment in one aspect of the new model; Figure 2 is a schematic front view of the prying head shown in Figure 1; Figure 3A is a partial enlarged schematic diagram of the prying head shown in Figure 2 at 3a; Figure 3B is a partial enlarged schematic diagram of the pry head shown in Figure 2 at 3b; Figure 4 is a three-dimensional schematic diagram of a pry head according to another embodiment of the new type; Figure 5 is a three-dimensional exploded schematic view of a hand tool according to an embodiment in another aspect of the new model; Figure 6 is another three-dimensional exploded schematic view of the hand tool shown in Figure 5; Figure 7 is a schematic diagram of the size comparison between a supporting part of a prying head and a wrench head of the hand tool shown in Figure 5; and Figure 8 is a schematic diagram of the use of the hand tool shown in Figure 5.

100: Pry head

110: Prying Department

111: stick to the ground

112: pasting surface

113: Tip

120: Support

121: Surface

122: fulcrum

123: Piercing

130: Assembly Department

131: Blind Hole

140: Groove

160: Concave arc

Claims (15)

A prying head, used with a hand tool, including: A skid part, including: A stick on the ground; and A sticking surface, connecting the sticking to the ground to form a tip; A supporting part connected to the prying part, the supporting part comprising: A curved surface connecting the ground and the object surface so that the end of the support part away from the tip is arc-shaped; and An assembling part connected to the supporting part, the assembling part comprising: A blind hole is recessed at one end of the assembling part away from the tip. The pry head according to claim 1, wherein the supporting portion further includes a through hole, and the through hole penetrates from one side surface of the supporting portion to the opposite side surface. The prying head according to claim 1, wherein the sticking surface is divided into a sudden shrinking section and a slow shrinking section, and the sudden shrinking section is closer to the tip than the slow shrinking section, and between the sudden shrinking section and the sticking surface The degree of tapering is greater than the degree of tapering between the tapered section and the surface of the object. The prying head according to claim 1, wherein the junction between the curved surface and the ground forms a point. The pry head as described in claim 1, further including: At least one groove, and the at least one groove is recessed on a side surface of the skid part. The pry head as described in claim 1, further including: At least one through slot penetrates from one side surface of the skid part to the opposite side surface. The pry head as described in claim 1, further including: At least one concave arc, and the at least one concave arc is concavely arranged on an edge of the surface of the object. A hand tool that contains: A prying head, including: A skid part, including: A stick on the ground; and A sticking surface, connecting the sticking to the ground to form a tip; A supporting part connected to the prying part, the supporting part comprising: A curved surface connecting the ground and the object surface so that the end of the support part away from the tip is arc-shaped; and An assembling part connected to the supporting part, the assembling part comprising: A blind hole, recessed in the end of the assembling part away from the tip; A wrench head, including a card slot; and A handle includes a plug-in section, and the plug-in section is detachably engaged with the slot of the wrench head or the blind hole of the prying head. The hand tool according to claim 8, wherein the wrench head further includes an engaging end, the engaging end protrudes from a side surface of the wrench head, and the supporting portion of the lever head further includes a perforation, and the perforation is formed by One side surface of the supporting portion penetrates to the opposite side surface, and the engaging end is detachably engaged with the through hole. The hand tool according to claim 9, wherein the handle is engaged with the wrench head along an assembly direction, the wrench head includes a top surface and a bottom surface extending along the assembly direction, and the curved surface of the head passes through the The minimum chord length of the center of the perforation is greater than the maximum distance between the top surface and the bottom surface. The hand tool according to claim 8, wherein the surface of the pry head is divided into a sudden shrinkage section and a slow shrinkage section, and the sudden shrinkage section is closer to the tip of the pry head than the slow shrinkage section, and the pry head The degree of tapering between the shrinking section and the surface of the attachment is greater than the degree of tapering between the retarding section of the pry head and the surface of the attachment. The hand tool according to claim 8, wherein the junction of the curved surface of the prying head and the ground surface forms a point. The hand tool according to claim 8, wherein the prying head further includes: At least one groove, and the at least one groove is recessed on a side surface of the pry part of the pry head. The hand tool according to claim 8, wherein the prying head further includes: At least one through slot, the at least one through slot penetrates from one side surface of the prying part of the pry head to the opposite side surface. The hand tool according to claim 8, wherein the prying head further includes: At least one concave arc, and the at least one concave arc is concavely arranged on an edge of the sticking surface of the prying head.

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