TWM303797U - Improvement structure of hand tool - Google Patents

Description

M303797 VIII. New description: [New technical field] This creation is about a tool, especially a tool structure that is easy to replace tool heads for different purposes. [Prior Art] ~ As shown in Fig. 9, for the conventional tool, the two grips 8 are opened to the full opening degree. The short portions 8 1 1 of the fixing pins 8 1 of the two grips 8 are respectively aligned (I tool The first 9 bis opening 9 1 can insert the two insertion portions 9 3 of the tool head 9 into the two grips 8 and the fixing pins 8 1 of the two grips 8 are embedded in the insertion slot 9 2 of the tool head 9 Then, the two grips 8 are clamped together, because the distance between the two grips 8 and the tool head 9 is pivoted to the shaft 94, so that the fixing pins 8 1 of the two grips 8 and the second of the tool heads 9 are inserted into the slots 92. The relative rotation, and the grip 8 fixes the blocking of the long portion 8 1 2 of the pin 8 1 , so that the tool head 9 cannot be released from the handle 8 , so that the handle 8 and the tool head 9 are firmly combined. When replacing the tool head 9 for different purposes, it is only necessary to open the two grips 8 to the full opening degree, and the short part 8 1 1 of the two fixing pins 8 1 is aligned with the tool head, and the 9 second opening 9 1 The original tool head 9 can be easily taken out from the grip 8 and replaced with another tool head. The assembly of the tool is missing in that the user can only open the two grips 8 to the fully open state, and the tool head 9 and also When the opening is fully open, the short portion 81 1 of the fixing pin 8 1 of the two grips 8 can be accurately aligned with the opening 9 1 of the tool head 9 and the original tool head 9 can be taken out from the grip 8 and replaced. A tool head. However, in the process of replacing the tool head 9, it is easy to be dangerous. Because the open tool head 9 may fall at any time and hurt people or 5 M303797 money, the structure of the tool used for it needs to be improved. [New content]

The main purpose of this creation is to solve the above problems and provide a tool structure improvement by the distance between the grip pivot of the handle and the pivot of the tool head, and the pin and tool of the handle. The head is embedded in the slot and has a labor-saving double lever structure. Furthermore, when replacing the tool head, it is easy to replace the tool for different purposes (such as scissors, pliers, etc.) by pressing the handle of the handle by hand, without the aid of any tools, to achieve a fast-level tool head. Use with the handle. Another purpose of the present invention is that the user can press the pressing portion of the middle portion of the switch piece by pressing the pressing surface of the middle portion of the switch piece, so that the two pin members can be simultaneously removed, and the tool head can be easily replaced. For the second purpose of the present invention, since one switch piece is disposed on the pin member of the two grips and one end of the two pin pieces is respectively coupled with a block member, one of the second block members is provided with a receiving portion, and the receiving portion has a block. And the switch piece is provided with a latching portion corresponding to the T-shaped portion of the blocking member, and the latching portion is fastened to the blocking member, so that the switch piece can restrict the opening and closing action of the two grips when the tool is not in use , to ensure that the handle does not open arbitrarily and dangerous. Another purpose of the creation of Bean Lishi is that the insertion part of the second part of the tool head has a 2 positioning point, which is convenient for the user to change the tool section, so that the jade head is connected to the original one of the ancient works. At the shaft of the shank, the two grips have a grip positioning point, so that when the user replaces the tool head, the two to two positions are indeed positioned at a position where the tool head can be smoothly replaced. 6 M303797 The purpose of the creation of the spur is due to the small diameter section of the pin of the handle: one, the tool head and the handle can only be assembled in the closed state, saying that 7C is limited to a specific Under the angle, it provides better safety when replacing different tool heads. Another purpose of the 4th creation is that since the small diameter section of the pin of the handle is a cylindrical skin, the τ 具 has a master and a handle can be group I in any tension angle state, and provides the convenience of replacement. Sex.

For the purpose of the foregoing, the present invention comprises: an eight handle, the two grips are pivotally connected by a handle pivot, the two grips have a pin, and the two pins are parallel to the The handle pivot, the two ", 彳 ^ force and then move axially in the handle; the two pin parts respectively have $, large only I and a small control section, the outer diameter of the large diameter section The outer diameter of the small diameter section is large, and the small diameter section passes through the handle, and a stopper extending from one end of the handle has a stopper;

The head and the head are composed of two clamping members which are pivotally connected by a head and have a position of the handle pivot of the handle and the head of the head of the guard head. a distance, and an inserting portion is respectively disposed under the tool head, and the inlet has an opening groove, and the rear inlet groove has an opening, and the opening is smaller than the inner diameter of the insertion groove and the pin of the handle The outer diameter of the large diameter section is larger than the outer diameter of the small diameter section of the pin member, so that the insertion groove of the second insertion portion of the tool head is normally pivoted to the large diameter section of the pin of the two grips 7 M303797 The above and other objects and advantages of the present invention will be readily understood from the following detailed description of the selected embodiments and the accompanying drawings. Of course, the present invention is allowed to differ in some of the parts, or the arrangement of the parts, but the selected embodiments are described in detail in the present specification' and the construction thereof is shown in the drawings. [Embodiment] The first to fifth figures are shown in the figure, and the structure shown in the figure is the structure of the embodiment selected for the creation of the creation. This is for illustrative purposes only, and is not limited by the structure in the patent application. . The tool structure of the embodiment is improved, and the method includes: a handle 1 , the handle 1 is pivotally connected by a handle pivot 1 2 , and the two handles 1 respectively extend through a pin member, and the handle 1 The two pin members are parallel to the grip pivot 12, and the two pin members 11 are axially moved in the two grips 1 after being applied. The two pin members 1 1 respectively have a large diameter section i and a small diameter section 1 12 , and the outer diameter of the large diameter section 11 1 is larger than the outer diameter of the small diameter section α 1 1 2 , and The small diameter section 1 1 2 passes through the handle 1, and one end of the extension handle 1 has a stopper i 4, 1 4 〇. In this embodiment, the large diameter section 1 1 1 of the pin member 1 has a cylindrical shape, and the cross section of the small diameter section 1 1 2 of the pin member 1 has two long portions 1 i 3 and two. a short portion 1 1 4, the distance between the two long portions 1 1 3 has a first length 1 1 3 1, and the distance between the two short portions 1 1 4 has a second length 1 1 41 ′ and the first The length 113 1 is longer than the second length 1141. A tool head 2' is composed of two clamping members 2 1 , the two clamping members 2 1 are pivoted by a head pivot 2 2 , and the handle pivot 1 M 2 8 M303797 of the handle 1 The position of the head pivot 2 2 of the tool head 2 has a distance, and the insert head 2 has an insertion portion 2 3 below the tool head 2, and the insertion portion 23 has an insertion groove 24, and the insertion groove 24 has a The opening 25 is, and the width of the opening 25 is smaller than the inner diameter of the insertion groove 24 and the outer diameter of the large diameter segment 1 1 1 of the pin 1 of the handle 1, and is larger than the pin 1 1 The outer diameter of the diameter of the pin 11 of the second grip 1 is normally pivoted to the large diameter section 111 of the pin 11 of the two grips 1 . In addition, the width of the opening 2 5 of the insertion portion 2 3 of the tool head 2 is smaller than the first length 1 1 3 1 of the small diameter portion 1 1 2 of the pin member 1 1 and larger than the first diameter portion 112 of the pin member 11 Two lengths of 1141. The two grips 1 each have a grip positioning point 13 adjacent the grip pivot 12 for the two grips 1 to be properly closed. The second insertion portion 2 of the tool head 2 also has a head positioning point 2 6 for the tool head 2 to be properly closed. A stopper 14 is disposed at the end of the small diameter section 2 of the pin member 1 of the handle 1, and the stopper 14 is screwed to the pin member 1 1 which penetrates the handle 1 and has a small diameter section 1 1 2 One end of the spring 14 is disposed between the arm member 14 and the handle 1 and the two ends of the spring 15 are respectively pressed against the blocking member 14 and the grip 1 ' for the pin member 1 When pressed, it can be reset to a state in which the large diameter section 111 of the pin member 1 is normally placed in the grip 1. In the present embodiment, a switch piece 16 is disposed on a portion of the small pin segment 1 1 of the two pin members 1 1 that protrudes from the handle 1 and protrudes therefrom, and the switch piece 16 is disposed on the pin member The middle portion of the 1 1 has a pressing surface 丄6:!, and one of the two blocking members 14 is provided with a receiving portion 1 4 1 , and the receiving portion 1 4 9 M303797 . 1 has a blocking portion 1 4 2 ' The switch piece 6 is provided with a latching portion 162 for the receiving portion 1 4 1 of the blocking member 4, and a driving portion 163 is disposed adjacent to the latching portion 6 2 . According to the structure of the embodiment, when the tool head 2 for different purposes is to be replaced, the two grips 1 and the tool head 2 can be replaced in a closed state. The user uses the driving portion 1 6 3 of the switch piece 16 to push the 'switching piece 16 to the position, even if the latching portion 6 of the switch piece 6 is placed in the receiving member 14 In the portion 1 4 1 , the user only needs to press the pressing surface 16 of the switch piece 16 , and the latching portion 1 6 2 of the switch piece 16 will abut the receiving portion 1 4 1 of the blocking member 1 4 . The blocking portion χ 4 2, while the same day, the V pin moves the pin member 1 1 axially, even if the large diameter segment 1 1 1 of the two pin members 1 1 slides out from the grip 1 and the pin member 1 1 The short portion 1 1 4 of the small diameter section 1 1 2 is respectively aligned with the two opening 2 5 of the tool head 2, and the original tool head 2 is detached from the grip 1 so that the other tool head 2 has two insertion portions 2 3 The two grips 1 can be reinserted, and the small diameter _ segment 1 1 2 of the pin handles of the two grips is inserted into the slot 2 of the tool head 2 and then inserted into the slot 2 4, and then The pin member 1 1 is inserted into the second rear groove 24 of the tool head 2 to complete the replacement of the tool bit 2, and the description of the above embodiment is known. The creation has the following advantages: First, it holds the handle pivot and the tool head by the handle 7 from between the pivot head and then bier handle fitting groove of the pin member and the head of the tool, and having a double lever structure of effort. Moreover, when the tool head is replaced, the tool head for different purposes can be easily replaced by hand pressing the handle of the handle (for example, M303797 scissors, etc.), without any tool assistance, up to (10) speed unloading The function of the tool head and the handle. Second, since a switch piece is provided on the lock of the two grips, it is only necessary to press H in the middle of the switch piece to change the tool head at the same time. - The second brother, because one switch piece is arranged on the lock member of the two grips, one end of the second lock member is respectively combined with a stop member, and one of the second stop members is provided with a receiving portion' The switch piece is provided with a 〆 挚 portion corresponding to the accommodating portion of the keeper, and the 挚 系 系 系 系 置 置 置 置 置 置 置 置 置 置 置 置 置 置 彳 彳 彳 彳 彳 彳 彳 彳 彳 彳 彳 彳 彳 彳 彳 彳 彳The opening and closing action of the handle is dangerous for the tool to be opened at will. # Τ 0 The fourth is that the two insertion parts of the tool head each have a head positioning point, which is convenient for the person to change the positioning of the H-head. The fifth member is located adjacent to the grip pivot. The two grips each have a grip position 2 for the user to position the two grips in a position where the tool head can be smoothly replaced when the guard head is replaced. No. 'Because the small diameter section of the lock member of the handle is cylindrical, the tool can be assembled when the grip is in the closed state, that is, the two are limited to a specific reduction, and the replacement is provided differently. Better safety when jade heads. Of course, there are still many examples of this creation, only the details change. Illustrated in Figures 6 to 7, which are the second embodiment of the present invention, the difference being that each of the grips is divided into a shrapnel 丄 7 Α, and the lock member 1 1 Α adjacent to the large control section The end of the crucible has a head end portion M303797 • 5 A, and the elastic piece 1 7 A is pressed against the end portion 1 1 5 A of the pin member 1 1 A for being pressed by the force. The large diameter section 1 1 1 A of the pin 1 1 A of the slip can be restored to the position inside the grip 1 A. This embodiment can still achieve the effects of the embodiments. Please refer to FIG. 8 , which is a third embodiment of the present invention, wherein the difference is that the large diameter section 1 1 1 B of the pin 1 1 B of the handle 1 B is cylindrical. The small diameter section 1 1 2 B has the same cylindrical shape. In the case of replacing the tool head 2 B for different purposes, the tool head 2 B and the grip 1 B need not be replaced in the closed state, and the user only needs to press the handle. The pin 1 1 B of 1 B can be used as a replacement for the tool head 2 B, which is quite convenient for use. In addition, the present embodiment can still achieve the effects of the embodiments. The above description of the embodiments is intended to be illustrative of the present invention and is not intended to limit the present invention, so any change in the value or replacement of equivalent elements should still be the subject of this creation. From the above detailed description, it will be apparent to those skilled in the art that the present invention can achieve the foregoing objectives, and it has been in compliance with the provisions of the Patent Law and has filed a patent application. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective exploded view of a first embodiment of the present invention. FIG. 2 is a side view of the first embodiment of the present invention. FIG. 3 is a first embodiment of the present invention. FIG. 4 is a schematic cross-sectional view of the first embodiment of the present invention. FIG. 5 is a schematic diagram of the operation of the replacement tool head of the first embodiment of the present invention. FIG. Fig. 7 is a schematic view showing the operation of the second embodiment of the present invention. Fig. 8 is an exploded perspective view of the third embodiment of the present invention. Fig. 9 is a tool for opening the handle of the conventional tool. Schematic diagram of head removal operation [Explanation of main component symbols] (conventional part) Grip 8 Short part 8 1 1 Tool head 9 Fixing pin 8 1 Long part 8 1 2 Opening 9 1 φ (this part) Grip 1 Large diameter section 1 1 1 Inserting groove 9 2 Pivot shaft 9 4 Long part 1 1 3 Short part 1 1 4 Grip pivot 1 2 Stop 1 4, 1 4 〇 1 1 2 2 Switch piece 1 6 Insert 9 3 Pin 1 1 small diameter section 112 first length 1131 second length 1141 grip positioning point 1 3 accommodating part 1 4 1 spring 1 5 Pressing surface 161 13 M303797 2 1 portion of the insertion portion 163 drives the clamping member 23 the opening 2524 of the head portion of the anchor point card Zhi 162 tool head 2 after the head portion 22 into the pivot grooves 26

Grip 1 A Large diameter section 1 1 1 A Shrapnel 1 7 A Pin 1 1 A Head end 1 1 5 A

Grip 1 B Large diameter section 111B Tool head 2 B Pin 1 1 B Small diameter section 1 1 2 B

14

Claims (1)

M303797 IX. Patent application scope: 1 . A tool structure improvement, comprising: two grips, the two grips are pivotally connected by a grip shaft, and the two grips respectively have a pin member, and the handle The two pin members are parallel to the handle pivot, and the two pin members are axially moved in the handle after applying the force; the two pin members respectively have a large diameter section and a small diameter section, and the large diameter Outside the segment - the diameter is larger than the outer diameter of the small diameter segment, and the small diameter segment passes through the grip I handle, and one end of the handle has a stop member; a tool head, which is composed of two a clamping member, the two clamping members are pivotally connected by a head pivot, and the handle pivot of the handle has a distance from the position of the head pivot of the tool head, and the tool head is below the tool head Each has an insertion portion, the insertion portion has an insertion groove, the insertion groove has an opening, and the width of the opening is smaller than the inner diameter of the insertion groove and the outer diameter of the large diameter portion of the pin of the handle, and is larger than The outer diameter of the small diameter section of the pin member is pivoted to the two grips in the normal state of the insertion slot of the two insertion portions of the tool head The large diameter section of the locking element. 2. The tool structure according to the first aspect of the patent application is improved, wherein the large diameter section of the pin is in the shape of a cylinder, and the small diameter section of the pin has two long sections and two short sections. The distance between the two long portions has a first length, and the distance between the two short portions has a second length, and the first length is longer than the second length; and the width of the opening of the insertion portion of the tool head It is smaller than the first length of the small diameter section of the pin and larger than the second length of the small diameter section of the pin. 15 M303797 3 · The structure of the tool according to item 1 of the patent application scope is improved, wherein the shape of the large diameter section of the pin is cylindrical, and the shape of the small diameter section is cylindrical. 4. The tool structure improvement according to item 1 of the patent application scope, wherein the two insertion portions of the tool head each have a head positioning point for the tool head to be closed. 5. The tool structure improvement according to claim 1, wherein the two grips each have a grip positioning point adjacent to the grip shaft for the two grips to be closed. 6 . The tool structure improvement according to the first aspect of the patent application, wherein one end of a part of the small diameter section of the pin that passes through the handle and protrudes is screwed with the stopper, and the stopper and the grip are interposed A spring is disposed between the handles, and the two ends of the spring respectively resist the blocking member and the handle, so that the large diameter portion of the pin member that is slipped after being pressed by the force can be restored to the handle. position. 7 . The tool structure improvement according to claim 1 , wherein each of the grips is respectively provided with a spring piece 5 and the end of the lock piece adjacent to the large control section has a head end, and the spring piece is pressed against the pin. The end of the head of the piece, the large diameter section of the pin which is slipped after being pressed by the force can be restored to the position within the handle of 16 M303797. 8 The structure of the tool according to the first application of the patent application is improved, and the opening portion is disposed in the small diameter section of the two lock members after the handle is extended and the portion of the switch piece is between the two lock members. The middle section has a press _ 9 · The tool structure improvement according to Item No. 8 of the patent scope, wherein one of the two stoppers is provided with a receiving portion having a portion and the switch The receiving portion of the sheet corresponding to the blocking member is provided with a latch and a driving portion is disposed adjacent to the latch portion. 17