阅读说明：本技术 一种扳手 (A kind of spanner ) 是由 陈加成 于 2020-01-14 设计创作，主要内容包括：本发明公开了一种扳手,包括手柄部和夹紧部,手柄部一体连接有挡板,挡板卡设于夹紧部的外侧,夹紧部由内向外依次套设有复数个中空的卡件,卡件至少一个侧面设置有复数个钩体,钩体包括上钩体和下钩体,卡件至少一个侧面设置有复数个与钩体相适配的槽体,钩体与槽体处于相同或不同侧面,处于不同位置的钩体滑入或滑出槽体,实现相邻卡件的相对移动,夹紧部环绕最外侧卡件设置有棘轮转子,手柄部靠近夹紧部的一端设置有与棘轮转子配合使用以实现棘轮转子正、反转的传动件。本发明的扳手既可以实现开口大小可调,对不同尺寸的待旋部件进行拧紧或拧松操作,又可以实现连续扳动待旋部件,无需在扳动待旋部件的过程中离开待旋部件,提高工作效率。(The invention discloses a wrench, which comprises a handle part and a clamping part, wherein the handle part is integrally connected with a baffle which is clamped outside the clamping part, the clamping part is sequentially sleeved with a plurality of hollow clamping pieces from inside to outside, at least one side surface of each clamping piece is provided with a plurality of hook bodies, each hook body comprises an upper hook body and a lower hook body, at least one side surface of each clamping piece is provided with a plurality of groove bodies matched with the hook bodies, the hook bodies and the groove bodies are positioned on the same side surface or different side surfaces, the hook bodies positioned at different positions slide into or slide out of the groove bodies to realize the relative movement of adjacent clamping pieces, the clamping part is provided with a ratchet rotor around the outermost clamping piece, and one end of the handle part close to the clamping part is provided with a transmission piece. The wrench disclosed by the invention can realize the adjustment of the opening size, can be used for screwing or unscrewing parts to be screwed in different sizes, can also realize the continuous pulling of the parts to be screwed, does not need to leave the parts to be screwed in the process of pulling the parts to be screwed, and improves the working efficiency.)

1. The wrench comprises a handle part (6) and a clamping part (1), and is characterized in that the handle part (6) is integrally connected with a baffle, the baffle is clamped on the outer side of the clamping part (1), the clamping part (1) is sequentially sleeved with a plurality of hollow clamping pieces (2) from inside to outside, at least one side face of each clamping piece (2) is provided with a plurality of hook bodies, each hook body comprises an upper hook body (33) and a lower hook body (33-1), at least one side face of each clamping piece (2) is provided with a plurality of groove bodies (36) matched with the hook bodies, the hook bodies and the groove bodies (36) are located on the same or different sides, the hook bodies at different positions slide into or slide out of the groove bodies to realize relative movement of adjacent clamping pieces (2), the clamping part (1) is provided with a ratchet rotor (5) around the outermost clamping part (2), and one end, close to the clamping part (1), of the handle part (6) is provided with the ratchet rotor (5) A transmission member (7) for positive and negative rotation of the rotor (5).

2. The wrench as claimed in claim 1, wherein the transmission member (7) comprises a cylinder (8), a knob (9) is disposed at the top end of the cylinder (8), a first pawl (10) and a second pawl (11) are disposed at the bottom end of the cylinder (8) in a crossed manner, a fixing rod (12) is connected to one side of the cylinder (8), a rotating rod (13) is connected to the other side of the cylinder (8), a fixing groove (14) is disposed at one side of the handle portion (6) close to the transmission member (7), the fixing rod (12) is disposed in the fixing groove (14) and moves back and forth in the fixing groove (14) under the action of an external force, the rotating rod (13) is disposed between the first pawl (10) and the second pawl (11), and the ratchet rotor (5) is engaged with the first pawl (10) or the second pawl (.

3. A wrench as claimed in claim 1, wherein the clamping portion (1) is circular in shape and the jaw member (2) is regular hexagonal in cross-section.

4. The wrench as claimed in claim 1, wherein the line connecting the upper hook (33) and the lower hook (33-1) is perpendicular to the horizontal plane, and the groove (36) corresponds to the position of the upper hook (33) or the lower hook (33-1).

5. The wrench as claimed in claim 1, wherein the hook further comprises a recess (34), the recess (34) being adapted to fit into the slot (36).

6. The wrench as claimed in claim 5, wherein the line connecting the concave body (34) with the upper hook body (33) and the lower hook body (33-1) is perpendicular to the horizontal plane, the concave body (34) is located between the upper hook body (33) and the lower hook body (33-1), and the groove body (36) corresponds to the concave body (34).

7. The wrench according to any one of claims 1-6, wherein a cavity (17) is formed in one side of the upper end of the clamping portion (1), through holes (18) communicating with all the clamping members (2) are horizontally formed in the clamping portion (1), a plurality of fasteners (19) are arranged in the cavity (17), each fastener (19) comprises an extending end (20), one end of each extending end (20) is connected with a second spring (21), a protrusion (22) is formed in the upper end of each extending end (20), each protrusion (22) is matched with the corresponding through hole (18) for use, and one end, far away from each extending end (20), of each second spring (21) is fixed in the cavity (17).

8. A wrench as claimed in any one of claims 1-6, wherein a cavity (25) is provided in the clamping portion (1) through all the jaws (2), a threaded rod (26) is disposed through the cavity (25), and nuts are threadedly connected to both ends of the threaded rod (26), the nuts being located outside the largest jaw (2) of the clamping portion (1).

9. A wrench as claimed in any one of claims 1-6, wherein a slide way (28) and a slide rod (29) are provided in the clamping portion (1), the slide way (28) passes through the fastener (2) on one side of the clamping portion (1), one end of the slide rod (29) is slidably connected with the slide way (28), and the other end of the slide rod (29) is movably connected with the clamping portion (1) through a shaft body.

10. The wrench according to any one of claims 1-6, wherein a rod is disposed in the clamping portion (1) and located outside all the clamping members (2), an upper sliding piece (31) and a lower sliding piece (32) are movably connected to the upper and lower ends of the rod, respectively, and the upper sliding piece (31) and the lower sliding piece (32) are clamped to the upper and lower ends of the clamping portion (1).

Technical Field

The invention relates to a manual tool, in particular to a wrench.

Background

At present, the wrenches commonly used in production and life mainly comprise solid wrenches, adjustable wrenches, ratchet wrenches and the like. One end or two ends of the solid wrench are provided with openings with fixed sizes, one wrench cannot adapt to the working requirements of various specifications, and therefore the solid wrench can be manufactured into various specifications, and complex work needs to be carried with a plurality of handles. The opening width of the adjustable wrench can be adjusted within a certain size range, and bolts or nuts of different specifications can be screwed, but the handle of the existing adjustable wrench can only rotate by a small angle, so that a workpiece needs to be continuously rotated for multiple times to be screwed or unscrewed. In the process of two rotations, the wrench needs to be stopped to rotate in the opposite direction, the wrench is usually separated from the workpiece, and the wrench is sleeved again to rotate again after rotation, so that the operation method is very inconvenient and the rotation efficiency is low. The ratchet handle can simplify the operation, and the ratchet handle can rotate without separating the wrench from a workpiece by rotating, but the size of the opening of a common ratchet wrench is fixed, so that the ratchet handle cannot be adjusted, and is very inconvenient. The difficulty is large when the ratchet structure and the opening are combined together in an adjustable mode.

Disclosure of Invention

The invention aims to solve the problems that an existing adjustable wrench is adjustable in opening, can rotate only by being temporarily separated from a workpiece, is sleeved with the workpiece again for rotation, is troublesome to operate and low in efficiency.

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a wrench, includes handle portion and clamping part, handle portion body coupling has the baffle, the outside of clamping part is located to the baffle card, clamping part is equipped with a plurality of hollow fasteners from inside to outside cover in proper order, at least one side of fastener is provided with a plurality of coupler bodies, the coupler body includes coupler body and lower coupler body, at least one side of fastener is provided with a plurality of cell bodies with coupler body looks adaptation, the coupler body is in the same or different side with the cell body, and the coupler body that is in different positions slides in or the roll-off cell body, realizes the relative movement of adjacent fastener, clamping part encircles the outside fastener and is provided with ratchet rotor, the one end that handle portion is close to clamping part is provided with and uses the driving medium that is used for realizing ratchet rotor just, reversal with the ratchet rotor cooperation.

The transmission part comprises a cylinder body, a knob is arranged at the top end of the cylinder body, a first pawl and a second pawl are sleeved at the bottom end of the cylinder body in a crossed mode, a fixed rod is connected to one side of the cylinder body, a rotating rod is connected to the other side of the cylinder body, a fixed groove is formed in one side, close to the transmission part, of the handle portion, the fixed rod is located in the fixed groove and moves back and forth under the action of external force in the fixed groove, the rotating rod is located between the first pawl and the second pawl, and the ratchet rotor is.

The clamping part is circular in shape, and the cross section of the clamping piece is in a regular hexagon shape.

The connecting line of the upper hook body and the lower hook body is vertical to the horizontal plane, and the groove body corresponds to the upper hook body or the lower hook body.

Wherein, the hook body still includes the concave body, the concave body uses with the cell body adaptation.

The connecting line of the concave body, the upper hook body and the lower hook body is vertical to the horizontal plane, the concave body is positioned between the upper hook body and the lower hook body, and the groove body corresponds to the concave body.

The upper hook body and the lower hook body are respectively perpendicular to a connecting line of the concave body and a horizontal plane, the upper hook body and the lower hook body are located on different vertical lines, and the groove body corresponds to the concave body in position.

The clamping part is provided with a clamping part, a cavity is arranged on one side of the upper end of the clamping part, through holes communicated with all clamping parts are further formed in the clamping part, a plurality of fastening pieces are arranged in the cavity, each fastening piece comprises an extending end, one end of the extending end is connected with a second spring, a protrusion is arranged at the upper end of the extending end, and one end, far away from the extending end, of the second spring is fixed to the cavity.

Wherein, the fastener is 1, is located the left side or the right side of cavity.

The two fastening pieces are oppositely arranged left and right and are respectively a first fastening piece and a second fastening piece.

The clamping part is internally provided with a cavity penetrating through all the clamping parts, a screw rod is placed in the cavity, two ends of the screw rod are in threaded connection with nuts, and the nuts are located on the outer side of the largest clamping part of the clamping part.

The clamping part is internally provided with a slide and a slide rod, the slide passes through the clamping piece on one side of the clamping part, one end of the slide rod is connected with the slide in a sliding manner, and the other end of the slide rod is movably connected with the clamping part through a shaft body.

A slide rod is arranged in the clamping part, one end of the slide rod is positioned in the slide way, and the slide rod moves back and forth under the action of external force.

The clamping part is internally provided with a rod body which is positioned at the outer side of all the clamping parts, the upper end and the lower end of the rod body are respectively and movably connected with an upper sliding sheet and a lower sliding sheet, and the upper sliding sheet and the lower sliding sheet are clamped at the upper end and the lower end of the clamping part.

Compared with the prior art, the invention has the following beneficial effects: the wrench disclosed by the invention can realize the adjustment of the opening size, can be used for screwing or unscrewing parts to be screwed in different sizes, can also realize the continuous pulling of the parts to be screwed, does not need to leave the parts to be screwed in the process of pulling the parts to be screwed, and improves the working efficiency; the wrench provided by the invention can extend the clamping piece according to actual needs by matching the hook body of the adjacent clamping piece with the groove body, is suitable for both an outer hexagonal part and an inner hexagonal part, and is simple and convenient in control process.

Drawings

The invention is described in further detail below with reference to the following figures and detailed description:

FIG. 1 is a top view of a wrench disclosed in embodiment 1 of the present invention;

FIG. 2 is a connection diagram of adjacent sets of the wrench disclosed in embodiment 1 of the present invention;

FIG. 3 is a front view of the wrench disclosed in embodiment 1 of the present invention;

FIG. 4 is a cross-sectional view taken along the line b-b in FIG. 3;

FIG. 5 is a schematic view of a transmission member of the wrench disclosed in embodiment 1 of the present invention;

FIG. 6 is a view showing a state of use of the wrench disclosed in embodiment 1 of the present invention;

FIG. 7 is a top view of the disclosed wrench of example 2 of the present invention;

FIG. 8 is a partial enlarged view of FIG. 7A;

FIG. 9 is a cross-sectional view taken along the line c-c in FIG. 8;

FIG. 10 is a schematic view of a wrench according to embodiment 2 of the present invention in a first use state;

FIG. 11 is a schematic view of a second state of use of the wrench disclosed in embodiment 2 of the present invention;

FIG. 12 is a front view of the disclosed wrench of embodiment 3 of the present invention;

FIG. 13 is a top plan view of the disclosed wrench of example 3 of the present invention;

FIG. 14 is a cross-sectional view taken along the direction of d-d in FIG. 13

FIG. 15 is a schematic view of a wrench according to embodiment 3 of the present invention in a first use state;

FIG. 16 is a schematic view of a second state of use of the wrench disclosed in embodiment 3 of the present invention;

FIG. 17 is a top plan view of the disclosed wrench of example 4 of the present invention;

FIG. 18 is a cross-sectional view taken along the line e-e in FIG. 17;

FIG. 19 is a front view of the disclosed wrench of embodiment 5 of the present invention;

FIG. 20 is a top view of the disclosed wrench of example 5 of the present invention.

Wherein: the clamping part 1, the clamping piece 2, the hook body 3, the ratchet rotor 5, the handle part 6, the transmission piece 7, the column 8, the knob 9, the first pawl 10, the second pawl 11, the fixed rod 12, the rotating rod 13, the fixed groove 14, the cavity 17, the through hole 18, the fastening piece 19, the extending end 20, the second spring 21, the bulge 22, the first fastening piece 23, the second fastening piece 24, the cavity 25, the screw rod 26, the slide way 28, the slide rod 29, the upper sliding piece 31, the lower sliding piece 32, the upper hook body 33, the lower hook body 33-1, the concave body 34, the groove body 36 and the first spring 37.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.

Please refer to fig. 1 to 20. It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.