CN111745580B - A wrench - Google Patents
A wrenchInfo
- Publication number
- CN111745580B CN111745580B CN202010037995.4A CN202010037995A CN111745580B CN 111745580 B CN111745580 B CN 111745580B CN 202010037995 A CN202010037995 A CN 202010037995A CN 111745580 B CN111745580 B CN 111745580B
- Authority
- CN
- China
- Prior art keywords
- clamping
- clamping portion
- hook body
- rod
- pawl
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B13/00—Spanners; Wrenches
- B25B13/56—Spanner sets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B13/00—Spanners; Wrenches
- B25B13/46—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle
- B25B13/461—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle with concentric driving and driven member
- B25B13/462—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle with concentric driving and driven member the ratchet parts engaging in a direction radial to the tool operating axis
- B25B13/463—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle with concentric driving and driven member the ratchet parts engaging in a direction radial to the tool operating axis a pawl engaging an externally toothed wheel
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
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 present invention discloses a wrench, comprising a handle portion and a clamping portion, wherein the handle portion is integrally connected with a baffle, the baffle being clamped on the outer side of the clamping portion, the clamping portion being sequentially sleeved with a plurality of hollow clamps from the inside out, a plurality of hooks being provided on at least one side of the clamping portion, the hooks including an upper hook and a lower hook, a plurality of slots adapted to the hooks being provided on at least one side of the clamping portion, the hooks and the slots being on the same or different sides, the hooks at different positions sliding into or out of the slots to achieve relative movement of adjacent clamps, a ratchet rotor being provided around the outermost clamping portion, and a transmission member being provided at one end of the handle portion near the clamping portion for use in conjunction with the ratchet rotor to achieve forward and reverse rotation of the ratchet rotor. The wrench of the present invention can achieve adjustable opening size, so as to tighten or loosen parts of different sizes to be rotated, and can also achieve continuous turning of the parts to be rotated without leaving the parts to be rotated during the turning process, thereby improving work efficiency.
Description
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, and one wrench cannot adapt to the working requirements of various specifications, so that the solid wrench can be manufactured into various specifications, and a plurality of complex works need to be carried. The opening width of the adjustable spanner can be adjusted within a certain size range, and bolts or nuts with different specifications can be screwed, but the handle of the conventional adjustable spanner can only rotate by a small angle, so that workpieces can be screwed or unscrewed only by continuous multiple times of rotation. Between two rotations, the spanner needs to be stopped to rotate in the opposite direction, and the common practice is to separate the spanner from the workpiece, and then to put the spanner on the workpiece again for re-rotation. The ratchet handle can simplify the operation, and the wrench can rotate without being separated from a workpiece during rotation, but the size of an opening of a common ratchet wrench is fixed and cannot be adjusted, so that the ratchet handle is very inconvenient. The difficulty is also great if the ratchet mechanism is to be adjustably coupled to the opening.
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 and is repeatedly sleeved for rotation, and is troublesome to operate and low in efficiency.
In order to achieve the purpose, the wrench comprises a handle part and a clamping part, wherein the handle part is integrally connected with a baffle, the baffle is clamped on the outer side of the clamping part, a plurality of hollow clamping pieces are sequentially sleeved on the clamping part from inside to outside, a plurality of hooks are arranged on at least one side face of each clamping piece, each hook comprises an upper hook body and a lower hook body, a plurality of grooves matched with the hooks are arranged on at least one side face of each clamping piece, the hooks and the grooves are positioned on the same side face or different side faces, the hooks positioned at different positions slide into or out of the grooves, relative movement of adjacent clamping pieces is achieved, a ratchet rotor is arranged around the outermost clamping piece, and a transmission piece matched with the ratchet rotor for achieving positive rotation and negative rotation of the ratchet rotor is arranged at one end, close to the clamping part, of the handle part.
The transmission piece comprises a cylinder, a knob is arranged at the top end of the cylinder, a first pawl and a second pawl are sleeved at the bottom end of the cylinder in a crossing manner, a fixed rod is connected to one side of the cylinder, a rotating rod is connected to the other side of the cylinder, a fixed groove is formed in one side, close to the transmission piece, of the handle portion, the fixed rod is located in the fixed groove and moves back and forth in the fixed groove under the action of external force, the rotating rod is located between the first pawl and the second pawl, and the ratchet rotor is meshed with the first pawl or the second pawl.
The clamping part is circular in appearance, and the cross section of the clamping piece is regular hexagon.
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 position of the upper hook body or the lower hook body.
The hook body further comprises a concave body, and the concave body is matched with the groove body for use.
The connecting line of the concave body and the upper hook body as well as the connecting line of the lower hook body are 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 in position.
The connecting lines of the upper hook body and the lower hook body are perpendicular to the horizontal plane respectively, the upper hook body and the lower hook body are positioned on different plumb lines, and the positions of the groove body and the concave body correspond.
The clamping part is characterized in that a cavity is formed in one side of the upper end of the clamping part, through holes for communicating all clamping pieces are formed in the clamping part, a plurality of fasteners are arranged in the cavity, each fastener comprises an extending end, one end of each extending end is connected with a second spring, the upper end of each extending end is provided with a protrusion, and one end, away from the extending end, of each second spring is fixed in the cavity.
Wherein, fastener 1 is located the left side or the right side of cavity.
The two fasteners are arranged in a left-right opposite mode, and are a first fastener and a second fastener respectively.
The clamping part is internally provided with a cavity penetrating through all clamping pieces, a screw rod is placed through the cavity, two ends of the screw rod are connected with nuts in a threaded mode, and the nuts are located on the outer side of the largest clamping piece of the clamping part.
The clamping part is internally provided with a slide way and a slide rod, the slide way penetrates through a clamping piece on one side of the clamping part, one end of the slide rod is in sliding connection with the slide way, and the other end of the slide rod is movably connected with the clamping part through a shaft body.
And a sliding rod is further arranged in the clamping part, one end of the sliding rod is positioned in the slideway, and the sliding rod moves back and forth in the slideway under the action of external force.
The clamping part is internally provided with a rod body, the rod body is positioned at the outer sides of all clamping pieces, 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 wrench has the beneficial effects that the wrench can realize the adjustment of the opening size, the screwing or unscrewing operation of the parts to be screwed with different sizes, and can realize continuous screwing of the parts to be screwed without leaving the parts to be screwed in the process of screwing the parts to be screwed, so that the working efficiency is improved, and the wrench can extend the clamping piece according to actual needs through the cooperation of the hook bodies of the adjacent clamping pieces and the groove bodies, so that the wrench is suitable for not only outer hexagonal parts, but also inner hexagonal parts, and the control process is simple and convenient.
Drawings
The invention is described in further detail below with reference to the attached drawings and detailed description:
FIG. 1 is a top view of a wrench according to example 1 of the present invention;
FIG. 2 is a diagram showing the connection relationship between adjacent sets in the wrench according to embodiment 1 of the present invention;
FIG. 3 is a front view of a wrench according to embodiment 1 of the present invention;
FIG. 4 is a cross-sectional view taken along the direction b-b in FIG. 3;
FIG. 5 is a schematic view of a driving member in a wrench according to embodiment 1 of the present invention;
FIG. 6 is a diagram showing the use of the wrench according to embodiment 1 of the present invention;
FIG. 7 is a top view of a wrench as disclosed in example 2 of the present invention;
FIG. 8 is an enlarged view of a portion of FIG. 7A;
FIG. 9 is a cross-sectional view taken along the direction of FIG. 8 c-c;
FIG. 10 is a schematic view of a first use state of a wrench according to embodiment 2 of the present invention;
FIG. 11 is a schematic view of a second use state of the wrench according to embodiment 2 of the present invention;
FIG. 12 is a front view of the wrench disclosed in embodiment 3 of the present invention;
FIG. 13 is a top view of the wrench disclosed in example 3 of the present invention;
FIG. 14 is a cross-sectional view taken in the direction of FIG. 13d-d
FIG. 15 is a schematic view of a first use state of a wrench according to embodiment 3 of the present invention;
FIG. 16 is a schematic view of a second use state of the wrench according to embodiment 3 of the present invention;
FIG. 17 is a top view of the wrench disclosed in example 4 of the present invention;
FIG. 18 is a cross-sectional view taken in the direction of FIG. 17 e-e;
FIG. 19 is a front view of the wrench disclosed in embodiment 5 of the present invention;
fig. 20 is a top view of the wrench disclosed in embodiment 5 of the present invention.
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 body 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 extension end 20, the second spring 21, the protrusion 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 slide piece 31, the lower slide 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
Further advantages and effects of the present invention will become apparent to those skilled in the art from the disclosure of the present invention, which is described by the following specific examples.
Please refer to fig. 1 to 20. It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the invention to the extent that it can be practiced, since modifications, changes in the proportions, or otherwise, used in the practice of the invention, are not intended to be critical to the essential characteristics of the invention, but are intended to fall within the spirit and scope of the invention. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the invention, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the invention may be practiced.
Example 1
Fig. 1 and 2 show a wrench, which comprises a handle portion 6 and a clamping portion 1, wherein the clamping portion 1 is circular in shape, the handle portion 6 is integrally connected with a baffle plate, the baffle plate is clamped on the outer side of the clamping portion 1, the clamping portion 1 is sequentially sleeved with a plurality of hollow clamping pieces 2 from inside to outside, and the cross section of each clamping piece 2 is in a regular hexagon shape. The two non-adjacent sides of the clamping piece 2 are respectively provided with a hook body, the hook body comprises an upper hook body 33, a lower hook body 33-1 and 2 concave bodies 34, the upper hook body 33 extends inwards and downwards from the side surface of the clamping piece 2, the lower hook body 33-1 extends inwards and upwards from the side surface of the clamping piece 2, and the concave bodies 34 extend inwards from the side surface of the clamping piece 2 to form a groove. The upper hook body 33 and one concave body 34 are positioned on the same side face, the connecting line of the upper hook body 33 and the concave body 34 is vertical to the horizontal plane, the lower hook body 33-1 and the other concave body 34 are positioned on the other side face, the connecting line of the lower hook body 33-1 and the concave body 34 is vertical to the horizontal plane, the other two non-adjacent side faces of the clamping piece 2 are respectively provided with a groove body 36, and the groove bodies 36 and the corresponding concave bodies 34 are positioned at the same height.
Before use, each clamping piece 2 in the clamping part 1 is mutually tightly sleeved and is positioned on the same plane, at the moment, the concave bodies 34 are respectively positioned in the groove bodies 36, when a part to be screwed, such as a nut, a bolt, a screw and a nut, of an inner hexagon needs to be screwed or unscrewed, the clamping piece 2 at a proper position is selected according to the size of the inner hexagon of the part to be screwed, such as the clamping piece B, the clamping piece 2 adjacent to the clamping piece B is respectively named as the clamping piece A and the clamping piece C, the clamping piece A is positioned at the inner side of the clamping piece B, the clamping piece C is positioned at the outer side of the clamping piece B, all clamping pieces (including the clamping piece B) inwards from the B are pressed downwards, the concave bodies 34 in the clamping piece B are clamped in the groove bodies 36 in the clamping piece A, the upper hook bodies 33 in the clamping piece C are clamped in the groove bodies 36 in the clamping piece B, the clamping piece B stretches out of the clamping part 1, and the part to be screwed is sleeved on the clamping piece B, and the part to be screwed or unscrewed is operated.
In actual operation, the clip B may extend out of the clamping portion 1 alone, or the clip B and all clips 2 inside the clip B may extend out of the clamping portion 1 together. The two modes have equivalent functions, and the screwing or unscrewing operation process of the hexagon socket part to be screwed is not influenced. However, when the external hexagonal part to be screwed is required to be screwed or unscrewed, for example, the clip B has an inner diameter corresponding to an outer diameter of the part to be screwed, and all the clips 2 inside the clip B need to be protruded in opposite directions together from the clamping portion 1. At this time, the clamping part 1 forms an inner hexagonal pit on one side of the part to be screwed opposite to the outer hexagonal, and just can cover the part to be screwed of the outer hexagonal, so as to screw or unscrew the part to be screwed.
The upper hook body 33, the lower hook body 33-1 and the concave body 34 can be positioned on different sides or on the same side, when the upper hook body 33, the lower hook body 33-1 and the concave body 34 are positioned on the same vertical line, the concave body 34 is positioned between the upper hook body 33 and the lower hook body 33-1, and the arrangement position of the groove body 36 still corresponds to the concave body 34.
The upper hook body 33, the lower hook body 33-1 and the concave body 34 may extend inward from the side surface of the clip 2 or may extend outward.
In addition, the hook body may be only the upper hook body 33 and the lower hook body 33-1 without the concave body 34, and at this time, the upper hook body 33 and the lower hook body 33-1 are on the same vertical line, and the groove body 36 corresponds to the position of the upper hook body 33 or the lower hook body.
The groove 36 may be on the same side as the hook or on a different side from the hook.
As shown in fig. 3, 4 and 5, a ratchet rotor 5 is arranged on the clamping part 1 around the clamping part 2, a transmission part 7 is arranged at one end, close to the clamping part 1, of the handle part 6, the transmission part 7 comprises a column 8, a knob 9 is arranged at the top end of the column 8, a first pawl 10 and a second pawl 11 are arranged at the cross sleeve at the bottom end of the column 8, a fixed rod 12 is connected to one side of the column 8, a rotating rod 13 is connected to the other side of the column 8, a fixed groove 14 is arranged at one side, close to the transmission part 7, of the handle part 6, the fixed rod 12 is positioned in the fixed groove 14 and moves back and forth in the fixed groove 14 under the action of external force, the rotating rod 13 is positioned between the first pawl 10 and the second pawl 11, the first pawl 10 and the second pawl 11 are connected with the handle part 6 through a first spring 37, and the ratchet rotor 5 is meshed with the first pawl 10 or the second pawl 11.
When the handle part 6 is required to rotate anticlockwise, the knob 9 is rotated anticlockwise, the fixed rod 12 and the rotating rod 13 rotate along with the fixed rod, as the fixed groove 14 is a splayed groove, the two ends of the fixed rod are wide, the middle of the fixed rod is narrow, the contact end of the fixed rod 12 and the fixed groove 14 has certain elasticity, the fixed rod 12 is fixed at one end of the fixed groove 14 under the action of external force, meanwhile, the rotating rod 13 props against the first pawl 10 (the second pawl 11) so that the first pawl 10 (the second pawl 11) cannot contact with the ratchet rotor 5, the second pawl 11 (the first pawl 10) contacts with the ratchet rotor 5, the handle part 6 is pulled anticlockwise, the second pawl 11 (the first pawl 10) is meshed with the ratchet rotor 5, the handle part 6 is continuously pulled to be screwed or unscrewed, the part to be screwed is not required to leave the part to be screwed in the pulling process, and the operation efficiency is higher; on the contrary, when the handle 6 is required to be pulled clockwise, the knob 9 is rotated clockwise, the fixing rod 12 and the rotating rod 13 rotate along with the rotation, so that the fixing rod 12 is fixed at the other end of the fixing groove 14, the rotating rod 13 props against the second pawl 11 (the first pawl 10), so that the second pawl 11 (the first pawl 10) cannot contact with the ratchet rotor 5, the first pawl 10 (the second pawl 11) contacts with the ratchet rotor 5, the handle 6 is pulled clockwise, the first pawl 10 (the second pawl 11) is meshed with the ratchet rotor 5, and the handle 6 can be continuously pulled to be unscrewed or screwed.
As shown in fig. 6, which is a state diagram of screwing or unscrewing the inner hexagonal part to be screwed, according to the size of the inner diameter of the part to be screwed, a clamping piece 2 at a proper position is selected, and the clamping piece 2 or all clamping pieces 2 positioned in the clamping piece 2 are pressed downwards, so that after the relative positions of the clamping piece 2 and the adjacent clamping pieces 2 are stable, at the moment, the handle part 6 is pulled to perform screwing or unscrewing operation on the part to be screwed.
The wrench provided by the invention has the advantages that the arrangement of the upper hook body 33, the lower hook body 33-1, the concave body 34 and the groove body 36 of the adjacent clamping piece 2 is adopted, so that the extension of part of the clamping piece 2 and the fixing process of the adjacent clamping piece 2 are realized, the operation is simple and convenient, meanwhile, the screwing or unscrewing operation of parts to be screwed with different sizes and different types (inner hexagonal or outer hexagonal) can be realized, in addition, in the screwing or unscrewing operation, the parts to be screwed do not need to be separated, the continuous operation is realized, and the working efficiency is improved.
Example 2
As shown in fig. 7, 8 and 9, unlike in embodiment 1, a cavity 17 is provided on one side of the upper end of the clamping portion 1, a through hole 18 for communicating all the clips 2 is provided in the clamping portion 1, two fasteners 19 are provided in the cavity 17, the two fasteners 19 are provided in opposite left and right directions, a first fastener 23 and a second fastener 24 are provided respectively, the fasteners 19 include an extension end 20, one end of the extension end 20 is connected with a second spring 21, a protrusion 22 is provided on the upper end of the extension end 20, and one end of the second spring 21 away from the extension end 20 is disposed in the cavity 17.
The upper end of the protrusion 22 may be provided with an external thread, which is screwed with the nut, so that the outer end of the nut is clamped on the adjacent clamping member 2. Because the protruding ends 20 of the first fastening piece 23 and the second fastening piece 24 are in snap connection, the nut at the upper end of the first fastening piece is fixed on the clamping piece 2, the nut at the upper end of the second fastening piece 24 is loosened, the second fastening piece 24 is pushed downwards, the clamping piece 2 below the second fastening piece 24 protrudes downwards and is used for screwing or unscrewing the inner hexagonal part to be screwed, when the outer hexagonal part to be screwed needs to be screwed or unscrewed, the nut above the second fastening piece 24 is screwed, the nut above the first fastening piece 23 is unscrewed, and the clamping piece 2 below the first fastening piece 23 is pushed upwards.
Referring to fig. 10, according to the state of the hexagon screw to be screwed or unscrewed, first, according to the size of the hexagon screw to be screwed, the nuts on the first fastener 23 and the second fastener 24 are unscrewed, the first fastener 23 and the second fastener 24 are slid so that the second fastener 24 is located above the clamping member 2 corresponding to the inner diameter of the part to be screwed, at the same time, the second fastener 24 is pressed down, and when the plurality of clamping members 2 located below the second fastener 24 move down to the left end position of the through hole 18 of the protruding end 20 of the second fastener 24, the second fastener 24 is unscrewed, and the second fastener 24 enters the through hole 18 under the elastic force of the second spring 21, so that the plurality of clamping members 2 below the second fastener 24 are located at fixed positions with the adjacent clamping members 2.
As shown in fig. 11, the second fastening member 24 is pressed according to the size of the outer hexagon of the to-be-screwed component, so that the second fastening member 24 is located above the clamping member 2 corresponding to the outer diameter of the to-be-screwed component, and at the same time, the clamping member 2 is pushed upward, so that the second fastening member 24 and all the clamping members 2 located inside the clamping member 2 are driven to move upward, and when the protruding end 20 of the first fastening member 23 is located at the right end position of the through hole 18, the clamping member 2 and the second fastening member 24 stop moving upward, so that a plurality of clamping members 2 below the second fastening member 24 and adjacent clamping members 2 are located at fixed positions.
The adjacent clamping piece 2 of the clamping part 1 is matched with the upper hook body 33, the lower hook body 33-1 and the concave body 34 through the groove body 36, so that on the basis of realizing the fixing effect of the adjacent clamping piece 2, the extending end 20 of the first fastening piece 23 or the second fastening piece 24 is inserted into the through hole 18, the secondary fixing effect of the adjacent clamping piece 2 is realized, and the double fixing effect ensures that the clamping part 1 is connected with a part to be rotated more firmly, and the falling problem of part of the clamping pieces 2 in the clamping part 1 is avoided in the use process.
Example 3
As shown in fig. 12, 13 and 14, unlike in embodiment 1, a cavity 25 penetrating all the clips 2 is provided in the clamping portion 1, the cavity 25 has a certain height, the left and right outermost sides of the cavity 25 are fixed on the clamping portion 1, a screw 26 is placed through the cavity 25, two ends of the screw 26 are connected with nuts in a threaded manner, and the nuts are located on the outer side of the largest clip 2 of the clamping portion 1 and are used for fixing the clips 2.
Fig. 15 is a state diagram of a to-be-screwed part with or without an external hexagon, according to the size of the external hexagon of the to-be-screwed part, the clamping piece 2 corresponding to the inner diameter of the to-be-screwed part and all the clamping pieces 2 on the inner side of the clamping piece 2 are pressed to move upwards, and when the to-be-screwed part is positioned, the nut is screwed, all the clamping pieces 2 in the clamping part 1 are fixed, and at the moment, the to-be-screwed part can be sleeved for screwing or unscrewing operation.
Fig. 16 is a state diagram of a to-be-screwed part with or without an inner hexagon, according to the size of the inner hexagon of the to-be-screwed part, the clamping piece 2 corresponding to the outer diameter of the to-be-screwed part and all clamping pieces 2 inside the clamping piece 2 are pushed to move downwards, and when the clamping piece 2 is at a certain position, the nut is screwed. At this time, the component to be screwed can be inserted to perform screwing or unscrewing operations.
Example 4
As shown in fig. 17 and 18, unlike the embodiment 1, a slide way 28 and a slide rod 29 are provided in the clamping portion 1, the slide way 28 penetrates the clip 2 on one side of the clamping portion 1, one end of the slide rod 29 is fixed in the slide way 28, and swings back and forth in the slide way 28 under the action of external force, and the other end of the slide rod 29 is movably connected with the clamping portion 1 through a shaft body.
When the clamping device 2 at a proper position in the clamping part 1 needs to be slid in use, one end of the sliding rod 29 is rotated until the sliding rod 29 is clamped above the clamping device 2 at the proper position, the clamping device 2 at the proper position and the clamping device outside the sliding rod are fixed, and all the clamping devices 2 in the clamping device 2 at the proper position can extend upwards or downwards according to the first embodiment.
Example 5
As shown in fig. 19 and 20, unlike in embodiment 1, a rod body is provided in the clamping portion 1, and upper and lower ends of the rod body are respectively connected to an upper slide 31 and a lower slide 32, and the upper slide 31 and the lower slide 32 are engaged with the upper and lower sides of the clamping portion 1.
The above embodiments are merely illustrative of the principles of the present invention and its effectiveness, and are not intended to limit the invention. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the invention. Accordingly, it is intended that all equivalent modifications and variations of the invention be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.
Claims (6)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2019102513349 | 2019-03-29 | ||
| CN201910251334 | 2019-03-29 |
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| Publication Number | Publication Date |
|---|---|
| CN111745580A CN111745580A (en) | 2020-10-09 |
| CN111745580B true CN111745580B (en) | 2025-09-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010037995.4A Active CN111745580B (en) | 2019-03-29 | 2020-01-14 | A wrench |
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| Country | Link |
|---|---|
| CN (1) | CN111745580B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207358946U (en) * | 2017-11-08 | 2018-05-15 | 三峡大学 | A kind of ratchet spanner |
| CN211639683U (en) * | 2019-03-29 | 2020-10-09 | 上海宇昼科技有限公司 | A kind of spanner |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2002100423A4 (en) * | 2001-05-31 | 2002-06-27 | Robert John Hadaway | Ratchet wrench with interchangeable toothed-socket-spanner |
| TWM411314U (en) * | 2011-04-14 | 2011-09-11 | Yong Ruei Internat Entpr Co Ltd | Ratchet wrench structure with multi-socket |
| CN205928434U (en) * | 2016-07-01 | 2017-02-08 | 黄山学院 | Spanner |
| CN206780247U (en) * | 2017-06-06 | 2017-12-22 | 郑州轻工业学院 | A kind of three-jaw movable ratchet carring hand |
-
2020
- 2020-01-14 CN CN202010037995.4A patent/CN111745580B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207358946U (en) * | 2017-11-08 | 2018-05-15 | 三峡大学 | A kind of ratchet spanner |
| CN211639683U (en) * | 2019-03-29 | 2020-10-09 | 上海宇昼科技有限公司 | A kind of spanner |
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| Publication number | Publication date |
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| CN111745580A (en) | 2020-10-09 |
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