CN212240807U - Spanner convenient for dismounting nut or bolt - Google Patents

Abstract

The utility model relates to a hand tool technical field, the spanner of dismouting nut or bolt of specifically being convenient for, the electric iron comprises a handle, handle one end is rotated and is connected with the holder that is used for the centre gripping nut, the relative holder pivoted axis of rotation place of handle straight line can with the circumference side of holder is crossing, the holder includes the holding piece of mutual disposition, each the distance is passed through between the relative holding piece the handle is relative the holder is followed the rotation of holder circumference is adjustable, and this spanner of dismouting nut or bolt of being convenient for is convenient for the screw bolt and the nut of the different models of quick assembly disassembly.

Description

Spanner convenient for dismounting nut or bolt

Technical Field

The utility model relates to a hand tool technical field specifically is the spanner of dismouting nut or bolt for being convenient for.

Background

The spanner is a hand tool for tightly holding the opening or trepanning firmware of the bolt or the nut by screwing the bolt, the screw, the nut and other threads by utilizing the lever principle, when the spanner is used, because a plurality of bolts are connected side by side or the space of the joint is narrow, the rotating angle of the spanner cannot reach 360 degrees, the spanner needs to be repeatedly disassembled from the nut and installed for many times, the bolt and the nut cannot be quickly disassembled and assembled, and the working efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

To prior art not enough, for overcoming prior art's defect, the utility model aims to provide a spanner of dismouting nut or bolt of being convenient for solves the problem that the spanner can not quick assembly disassembly bolt and nut.

Its technical scheme is, the spanner of dismouting nut or bolt of being convenient for, including the handle, handle one end is rotated and is connected with the holder that is used for the centre gripping nut, the relative holder pivoted axis of rotation place straight line of handle can with the circumference side of holder is crossing.

Preferably, the clamping member comprises clamping pieces which are arranged oppositely, and the distance between the clamping pieces is adjustable through the rotation of the handle relative to the clamping member along the circumferential direction of the clamping member.

Preferably, one end of the handle is an arc-shaped fork, two ends of the fork are fixedly connected with opposite sliding blocks, and the handle is rotatably connected with the clamping piece through the sliding blocks.

Preferably, each clamping piece is rotatably connected with the shell in the clamping piece, one opposite side surface of each clamping piece is a plane parallel to each other, the other side surface of each clamping piece is an arc-shaped curved surface, and the other side surface of each clamping piece can be in surface contact fit with each sliding block on the handle.

Preferably, each clamping piece and each sliding block are symmetrical relative to a rotating shaft of the handle rotating along the circumferential direction of the clamping piece.

Preferably, a protruding latch for limiting the rotation of the clamping piece is fixedly connected to the clamping piece, and the latch can be in contact with the surface of the shell.

Preferably, the casing is an annular structure with a blank area at the axis, a circular slideway is arranged on the casing in the circumferential direction, the slideway is coaxial with the casing, and the slideway is sleeved on each sliding block.

Preferably, the shell comprises an upper plate and a lower plate, the upper plate and the lower plate are fixedly connected, and the slideway and the clamping piece are located between the upper plate and the lower plate.

The utility model provides a spanner convenient to dismouting nut or bolt compares beneficial effect with prior art and is:

1. the distance is adjustable along the rotation of holder circumference through the relative holder of handle between each relative holding piece, the nut of the different models of holder centre gripping is passed through to the holder of being convenient for, the relative holder pivoted axis of rotation of handle place straight line can intersect with the circumference side of holder, the handle of being convenient for rotates certain angle or overturns the holder opposite side along the straight line at two slider places, avoid the obstacle, continue the axial rotation along the holder, need not pull down the spanner from the nut and install, alright accomplish the dismantlement of bolt and nut, the installation, thereby quick assembly disassembly bolt and nut.

Drawings

Fig. 1 is a front sectional view of the present invention.

Fig. 2 is a front view of the present invention.

Fig. 3 is a sectional view taken along the direction a-a of the present invention.

Fig. 4 is a magnified sectional view along the direction B-B of the present invention.

Fig. 5 is a front view of the holding piece of the present invention.

Fig. 6 is a bottom view of the holding piece of the present invention.

Fig. 7 is a front view of the lower plate of the present invention.

In the figure: 1 handle, 1.1 fork spare, 1.2 slider, 2 holders, 2.1 centre gripping piece, 2.2 casings, 2.2A upper plate, 2.2B hypoplastron, 2.3 slides, 3 fixture blocks.

Detailed Description

The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention, and in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, and are only for convenience of description of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as limiting the present invention.

Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance throughout the present disclosure, it being understood that unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and can be, for example, 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The present invention will be described in further detail below with reference to specific embodiments and with reference to the accompanying drawings.

The first embodiment is as follows:

referring to fig. 1-5, the present invention provides a technical solution: a wrench convenient for dismounting nuts or bolts comprises a handle 1, one end of the handle 1 is an arc-shaped fork 1.1, two ends of the fork 1.1 are fixedly connected with opposite sliding blocks 1.2, the handle 1 is rotatably connected with a clamping piece 2 through the sliding blocks 1.2, the handle 1, the fork 1.1 and the sliding blocks 1.2 are of an integrally formed structure, the sliding blocks 1.2 are of a spherical structure and can also be of other suitable shape structures, one end of the handle 1 is rotatably connected with the clamping piece 2 used for clamping nuts, the clamping piece 2 comprises clamping pieces 2.1 which are oppositely arranged, each clamping piece 2.1 is rotatably connected with a shell 2.2 in the clamping piece 2, one opposite side surface of each clamping piece 2.1 is a plane which is parallel to each other, the other side surface of each clamping piece 2.1 is an arc-shaped curved surface, the other side surface of each clamping piece 2.1 can be in contact fit with the surface of each sliding block 1.2 on the handle 1, wherein the shell 2.2 is of an annular structure with a blank area at the axis, and a circumferential slide way 2.3 which is, the slide way 2.3 is coaxial with the shell 2.2, the slide way 2.3 is externally sleeved on each slide block 1.2, the shell 2.2 comprises an upper plate 2.2A and a lower plate 2.2B, the upper plate 2.2A and the lower plate 2.2B are structurally symmetrical, the upper plate 2.2A and the lower plate 2.2B are connected through bolts, the slide way 2.3 and the clamping pieces 2.1 are positioned between the upper plate 2.2A and the lower plate 2.2B, the other side surfaces of the clamping pieces 2.1 are pressed to move relatively through the movement of the slide block 1.2 with a spherical structure in the slide way 2.3, so that the distance between the opposite clamping pieces 2.1 is adjusted, namely the distance between the opposite clamping pieces 2.1 is adjusted through the rotation of the handle 1 relative to the clamping piece 2 along the circumferential direction of the clamping piece 2, wherein the number of the clamping pieces 2.1 and the slide blocks 1.2 is two, the clamping pieces 2.1 and the slide block 1.2 are symmetrical along the rotation axis of the circumferential direction of the clamping piece 2, namely, the clamping pieces 2.1 and the slide block 2.2 are symmetrical along the rotation axis of the slide way, and the linear movement of the slide block 2., drive holding piece 2.1 synchronous rotation, keep each holding piece 2.1 relative side parallel to each other, be convenient for holder 2 through the nut of the different models of holding piece 2.1 centre gripping, fixed connection is used for restricting the bellied fixture block 3 of holding piece 2.1 pivoted on the holding piece 2.1, fixture block 3 can with casing 2.2 surface contact, fixture block 3 and holding piece 2.1 are the integrated into one piece structure, rotate outside 2.2 to the casing through fixture block 3 restriction holding piece 2.1, the other end of handle 1 is the handle of current spanner, also can be the different holder 2 of holding piece 2.1 relative distance.

Through the cooperation of spherical structure's slider 1.2 and annular slide 2.3, not only make handle 1 rotate along the axial of holder 2, also can make handle 1 rotate along the straight line at two sliders 1.2 places, the relative holder 2 pivoted axis of rotation of handle 1 is the straight line and is crossing with the circumference side of holder 2 this moment, thereby make handle 1 after the certain angle of axial rotation along holder 2, make holding piece 2.1 chucking nut, drive the nut and continue to rotate, meet the obstacle after, handle 1 rotates certain angle or overturns to holder 2 opposite side along the straight line at two sliders 1.2 places, avoid the obstacle, continue to drive the axial rotation of nut along holder 2, do not need to pull down the spanner from the nut and install, alright accomplish the dismantlement of bolt and nut, the installation, thereby quick assembly disassembly bolt and nut.

The present invention has been described in detail with reference to the specific embodiments and examples, but these should not be construed as limitations of the present invention. Numerous variations and modifications can be made by those skilled in the art without departing from the principles of the invention, which should also be considered as within the scope of the invention.

Claims (8)

1. Spanner convenient to dismouting nut or bolt, including handle (1), its characterized in that: handle (1) one end is rotated and is connected with holder (2) that are used for the centre gripping nut, handle (1) relative holder (2) pivoted axis of rotation place straight line can with the circumference side of holder (2) is crossing.

2. A wrench as claimed in claim 1 for facilitating removal of nuts or bolts, wherein: the clamping piece (2) comprises clamping pieces (2.1) which are arranged oppositely, and the distance between every two opposite clamping pieces (2.1) can be adjusted through the rotation of the handle (1) relative to the clamping piece (2) along the circumferential direction of the clamping piece (2).

3. A wrench as claimed in claim 2, which is adapted to facilitate removal of a nut or bolt, wherein: one end of the handle (1) is an arc-shaped fork piece (1.1), two ends of the fork piece (1.1) are fixedly connected with opposite sliding blocks (1.2), and the handle (1) is rotatably connected with the clamping piece (2) through the sliding blocks (1.2).

4. A wrench as claimed in claim 2, which is adapted to facilitate removal of a nut or bolt, wherein: each clamping piece (2.1) is rotatably connected with a shell (2.2) in the clamping piece (2), one opposite side surface of each clamping piece (2.1) is a plane parallel to each other, the other side surface of each clamping piece (2.1) is an arc-shaped curved surface, and the other side surface of each clamping piece (2.1) can be in surface contact fit with each sliding block (1.2) on the handle (1).

5. A wrench as claimed in claim 4, which is adapted to facilitate removal of said nut or bolt, wherein: the clamping pieces (2.1) and the sliding blocks (1.2) are symmetrical relative to the rotating shaft of the handle (1) rotating along the circumferential direction of the clamping piece (2).

6. A wrench as claimed in claim 4, which is adapted to facilitate removal of said nut or bolt, wherein: the clamping piece (2.1) is fixedly connected with a convex clamping block (3) used for limiting the rotation of the clamping piece (2.1), and the clamping block (3) can be in surface contact with the shell (2.2).

7. A wrench as claimed in claim 4, which is adapted to facilitate removal of said nut or bolt, wherein: the casing (2.2) is the cyclic annular structure that axle center department is blank region, be equipped with annular slide (2.3) in the circumference of casing (2.2), slide (2.3) with casing (2.2) are coaxial, slide (2.3) overcoat in each slider (1.2).

8. A wrench as claimed in claim 7, which is adapted to facilitate removal of said nut or bolt, wherein: the shell (2.2) comprises an upper plate (2.2A) and a lower plate (2.2B), the upper plate (2.2A) and the lower plate (2.2B) are fixedly connected, and the slide way (2.3) and the clamping piece (2.1) are located between the upper plate (2.2A) and the lower plate (2.2B).

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