阅读说明：本技术 一种手握式夹持取件工装 (Hand-held clamping workpiece taking tool ) 是由 荣俊林 于 2019-10-29 设计创作，主要内容包括：本发明公开了一种手握式夹持取件工装,包括：握柄、手柄、第一连杆、第二连杆、中心轴、第一夹头、第二夹头,手柄内部中空,中心轴的上段插入手柄中,中心轴的下段固定连接于第二夹头,第一夹头套设于中心轴外,且固定连接于手柄的末端,中心轴可相对第一夹头垂直移动,手柄的侧壁设有第一通孔和第二通孔,第一连杆通过第一通孔,一端可旋转地连接于手柄,另一端连接设置于手柄外侧的握柄,第二连杆通过第二通孔,一端可旋转地连接于中心轴,另一端连接握柄；本发明提供了一种便携式、节省人力的夹持取件工装。(The invention discloses a hand-held clamping workpiece taking tool, which comprises: the handle is hollow, the upper section of the central shaft is inserted into the handle, the lower section of the central shaft is fixedly connected to the second chuck, the first chuck is sleeved outside the central shaft and fixedly connected to the tail end of the handle, the central shaft can vertically move relative to the first chuck, a first through hole and a second through hole are formed in the side wall of the handle, one end of the first connecting rod is rotatably connected to the handle through the first through hole, the other end of the first connecting rod is connected to the handle arranged outside the handle, the second connecting rod is connected to the central shaft through the second through hole, one end of the second connecting rod is rotatably connected to the central shaft, and the other end of the second connecting rod is connected to the handle; the invention provides a portable clamping and taking tool which saves labor.)

1. The utility model provides a hand-held type centre gripping gets a frock which characterized in that includes: grab handle, first connecting rod, second connecting rod, center pin, first chuck, second chuck, the inside cavity of handle, the upper segment of center pin inserts in the handle, the hypomere fixed connection in of center pin in the second chuck, first chuck cover is located outside the center pin, and fixed connection in the end of handle, the center pin can be relative first chuck vertical migration, the lateral wall of handle is equipped with first through-hole and second through-hole, first connecting rod passes through first through-hole, one end rotatably connect in the handle, the other end connect set up in the handle outside the grab handle, the second connecting rod passes through the second through-hole, one end rotatably connect in the center pin, the other end is connected the grab handle.

2. The hand-held clamping workpiece taking tool according to claim 1, further comprising a spring, wherein the spring is sleeved on the central shaft.

3. The hand-held clamping workpiece taking tool according to claim 1, wherein the first connecting rod is I-shaped and comprises a first transverse section, a second transverse section and a first vertical section, the first vertical end is inserted into the first through hole, the first transverse section is fixed on the grab handle, and two ends of the second transverse section are rotatably connected to the side wall of the handle through pins.

4. The hand-held clamping and taking tool according to claim 1, wherein the second connecting rod is T-shaped and comprises a third transverse section and a second vertical section, the second vertical section is inserted into the second through hole, the third transverse section is fixed on the grab handle, and the tail end of the second vertical section is rotatably connected to the top end of the central shaft.

Technical Field

The invention relates to the technical field of machinery, in particular to a handheld clamping and taking tool.

Background

The piece is got in the centre gripping uses very extensively in the frock, and current scheme mainly is: the handle is held, the thumb presses the center rod, the chuck is opened, after a workpiece is taken out, the thumb is loosened, and the chuck clamps the workpiece under the action of the spring.

Chinese patent publication No. CN207344173U, a stable clamping device for easy pickup, discloses a stable clamping device for easy pickup, which includes an upper clamp body and a lower clamp body; the upper clamp body is positioned above the lower clamp body and is in threaded connection with the lower clamp body; a first groove and a second groove are respectively arranged on the opposite surfaces of the upper clamp body and the lower clamp body; the surfaces of the first groove and the second groove are provided with anti-skidding units; the upper clamp body is provided with a threaded through hole, and a bolt is arranged in the threaded through hole in a matching manner; one end of the bolt extends out of the upper clamp body and is connected with the first nut, and the other end of the bolt extends into the first groove and is fixedly connected with the wear-resisting unit; a plurality of blind holes are formed in the lower clamp body, and guide shafts are arranged in all the blind holes; all the guide shafts extend into the second groove, and the end parts of the guide shafts are provided with wear-resistant units; all the guide shafts are sleeved with elastic pieces. This patent a stable and easily get clamping device of piece of centre gripping can realize the steady effective centre gripping in the work piece cutting such as wire rod, rod and pipe fitting.

However, the prior art still lacks a portable, use manpower-saving clamping and taking tool.

Disclosure of Invention

In order to solve the technical problems, the invention provides a portable and labor-saving clamping and picking tool, which comprises: grab handle, first connecting rod, second connecting rod, center pin, first chuck, second chuck, the inside cavity of handle, the upper segment of center pin inserts in the handle, the hypomere fixed connection in of center pin in the second chuck, first chuck cover is located outside the center pin, and fixed connection in the end of handle, the center pin can be relative first chuck vertical migration, the lateral wall of handle is equipped with first through-hole and second through-hole, the head rod passes through first through-hole, one end rotatably connect in the handle, the other end connect set up in the handle outside the grab handle, the second connecting rod passes through the second through-hole, one end rotatably connect in the center pin, the other end is connected the grab handle.

Preferably, the hand-held clamping workpiece taking tool provided by the invention further comprises a spring, and the spring is sleeved on the central shaft.

Preferably, the first connecting rod is I-shaped and comprises a first transverse section, a second transverse section and a first vertical section, the first vertical end is inserted into the first through hole, the first transverse section is fixed on the grab handle, and two ends of the second transverse section are rotatably connected onto the side wall of the handle through pins.

Preferably, the second connecting rod is T-shaped and comprises a third transverse section and a second vertical section, the second vertical section is inserted into the second through hole, the third transverse section is fixed on the grab handle, and the tail end of the second vertical section is rotatably connected to the top end of the central shaft.

During operation, the grab handle and the handle are held, the four fingers clenches to be tightened, the first connecting rod and the second connecting rod rotate, the grab handle is closed towards the handle, the central shaft is pushed to move downwards through the second connecting rod, the central shaft drives the second chuck to move downwards together, and the relative distance between the first chuck and the second chuck is increased and the chucks are opened due to the fixed position of the first chuck. When a workpiece is taken, the four fingers restore to the initial state, the central shaft moves upwards under the action of the spring, the relative distance between the first chuck and the second chuck is reduced, and the chucks clamp tightly to finish clamping the workpiece.

Compared with the prior art, the technical scheme of the invention has the beneficial effects that: the hand-held clamping and taking tool provided by the invention is compact in design and portable, so that an operator can use tools more conveniently, and the production efficiency is improved.

Drawings

FIG. 1 is a perspective view of a hand-held clamping tool according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a hand-held clamping tool according to an embodiment of the present disclosure;

FIG. 3 is a schematic structural diagram illustrating a pickup state of a hand-held clamping pickup tool according to an embodiment of the present disclosure;

in the drawings: 1. the handle, 2, first connecting rod, 3, second connecting rod, 4, handle, 5, center pin, 6, first chuck, 7, second chuck, 8, spring, 9, work piece.

The specific implementation mode is as follows:

the invention is further described with reference to the following drawings and specific examples, which are not intended to be limiting.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1 and 2, a structure diagram of a handheld clamping tool is shown, wherein the structure diagram includes a handle 1, a first connecting rod 2, a second connecting rod 3, a handle 4, a central shaft 5, a first chuck 6, a second chuck 7, and a spring 8, the handle 4 is a hollow cylinder, an upper section of the central shaft 5 is inserted into the handle 4, a lower section of the central shaft 5 is fixedly connected to the second chuck 7, the first chuck 6 is sleeved outside the central shaft 5 and is fixedly connected to a tail end of the handle 4, the central shaft 5 can vertically move relative to the first chuck 6, a side wall of the handle 4 is provided with a first through hole and a second through hole, the first through hole is above the second through hole, the first connecting rod 2 passes through the first through hole, one end of the first connecting rod is rotatably connected to the handle 4, the other end of the first connecting rod is connected to the handle 1 outside the handle 4, the second connecting rod 3 passes through the second through hole, and one, the other end is connected with the grab handle 1, and the spring 8 is sleeved on the central shaft 5.

In this embodiment, the first connecting rod 2 is I-shaped, and includes a first transverse section, a second transverse section and a first vertical section, the first vertical end is inserted into the first through hole, the first transverse section is fixed on the handle 1, and two ends of the second transverse section are rotatably connected to the side wall of the handle 4 through pins; the pin improves strength and wear resistance.

In this embodiment, the second connecting rod 3 is T-shaped, and includes a third horizontal section and a second vertical section, the second vertical section is inserted into the second through hole, the third horizontal section is fixed on the handle 1, and the end of the second vertical section is rotatably connected to the top end of the central shaft 5.

In this embodiment, the grab handle 1 is made of nylon, and the handle 4 is made of aluminum alloy, so that the weight of the product can be reduced.

In this embodiment, a plurality of uneven clamping grooves are formed on the surfaces of the first chuck 6 and the second chuck 7, which are in contact with the workpiece to be clamped, so that the first chuck 6 and the second chuck 7 can be better in contact with the workpiece.

The features and functions of the present invention will be further understood from the following description.

Referring to fig. 3, the structural schematic diagram of the workpiece taking state of the hand-held clamping workpiece taking tool of the embodiment is that, during operation, the hand-held grip handle 1 and the handle 4 are tightened, the four-finger fist is tightened, the first connecting rod 2 and the second connecting rod 3 rotate, the grip handle 1 is drawn towards the handle 4, the central shaft 5 is pushed to move downwards through the second connecting rod 3, the central shaft 5 drives the second chuck 7 to move downwards together, and the first chuck 6 and the second chuck 7 are relatively spaced at an increased interval and the chucks are opened due to the fixed position of the first chuck 6. When the workpiece is taken, the four fingers restore to the initial state, the central shaft 5 moves upwards under the action of the spring 8, the relative distance between the first chuck 6 and the second chuck 7 is reduced, and the chucks clamp tightly to finish clamping the workpiece.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.