CN115488805A

CN115488805A - Simple multifunctional loosening and tightening tool

Info

Publication number: CN115488805A
Application number: CN202211384822.5A
Authority: CN
Inventors: 张东宇; 张准; 王亚龙; 姜明泽; 赵学坤
Original assignee: Aerospace Shenzhou Aircraft Co ltd
Current assignee: Aerospace Shenzhou Aircraft Co ltd
Priority date: 2022-11-07
Filing date: 2022-11-07
Publication date: 2022-12-20

Abstract

The invention discloses a simple multifunctional loosening and tightening tool, which comprises a handle, wherein a fastening end is formed at one end of the handle, a fastening groove is formed in the fastening end in a hollowed manner, a movable block capable of moving in the fastening groove is arranged in the fastening groove, an outer shape edge for forming screws or nuts to be loosened is formed on the movable block and the inner shape edge of the fastening groove, a screw hole is further formed in one side of the fastening end, an adjusting screw penetrates through the screw hole and is abutted against the movable block, the relative position of the movable block in the fastening groove can be adjusted through rotation of the adjusting screw, and therefore the shape hole forming suitable for loosening and tightening of screws or nuts with different sizes is matched.

Description

Simple multifunctional loosening and tightening tool

Technical Field

The invention relates to the technical field of tightening tools, in particular to a simple multifunctional tightening tool.

Background

The screws and nuts are currently divided into four corners, hexagonal corners or other number angles according to the requirements of the dies and national standards, and the screws and nuts of the types generate screws and nuts of various types such as inner hexagonal, outer hexagonal, inner four corners and outer four corners according to the requirements of product locking, and the fastening tools of the screws and nuts on the market at present have single functions or complex structures, such as: a single open/double offset ring spanner can only fasten outer hexagonal or four-corner screws and nuts of two specifications, a plurality of spanners need to be carried by workers in an outfield test, carrying burden is increased, a plurality of tool sets are also arranged in the market, various sleeves are small in size and easy to lose, and in addition, if the tightening tool of the outer hexagonal four-corner screws and nuts can also have the tightening functions of inner hexagonal inner four-corner screws and nuts, more screwdrivers can be carried by less, and the invention provides a simple multifunctional tightening tool.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention aims to provide a simple multifunctional tightening tool to solve the technical problems mentioned in the background art.

In order to solve the technical problem, the invention adopts the following technical scheme:

the utility model provides a simple and easy multi-functional elasticity instrument, includes the handle, the one end of handle forms the fastening end, the fastening is served the fretwork and is formed the fastening groove, the fastening inslot is equipped with the movable block that can move in the fastening inslot, be equipped with on the movable block can form the appearance limit that the molding that is used for elasticity screw or nut to use with the interior shape limit of fastening groove, one side of fastening end still is equipped with the screw, adjusting screw pass the screw and with the movable block butt, through the relative position of the adjustable movable block of adjusting screw's rotation at the fastening inslot to the matching goes out the type hole molding that is applicable to not equidimension screw or nut elasticity usefulness.

The improved structure is characterized in that one end, corresponding to the screw, of the movable block is provided with a limiting cavity facing the opening of the screw, a limiting groove is formed in the limiting cavity, a clamping head is arranged at the position, corresponding to the limiting groove, of the tail end of the screw, the clamping head is clamped in the limiting groove to prevent the adjusting screw from being pulled out outwards, a fixing plate is further arranged on the outer side of the movable block, and the upper end and the lower end of the fixing plate are in contact with the end face of the fastening groove to prevent the movable block from being in linkage rotation with the adjusting screw.

The further improvement lies in that a clamping jaw is arranged on the fixed piece, and the action end of the clamping jaw extends into the limiting cavity of the movable block and is connected with the tail end of the adjusting screw rod and one side of the clamping head in an annular mode.

The improved structure is characterized by further comprising a fixing screw, wherein the fixing screw penetrates through the fixed plate and the movable block simultaneously and fixedly connects the fixed plate and the movable block together.

The improved structure is characterized in that the inner molding edge and the outer molding edge are both V-shaped notches, the two molding edges are arranged in a mirror image mode, and the outer molding edge, the upper groove surface and the lower groove surface of the fastening groove and the inner molding edge on the movable block jointly enclose a hexagonal hole suitable for a hexagonal screw or a nut.

The improved structure is characterized in that the inner molding edge and the outer molding edge are straight-line-shaped edges, the two molding edges are arranged in a mirror image mode, and the outer molding edge, the upper groove surface and the lower groove surface of the fastening groove and the inner molding edge on the movable block jointly enclose a molding hole suitable for even-number-edge type screws or nuts.

The further improvement lies in that a profile edge extending block extends from one side end face of the inner profile edge and one side end face of the outer profile edge, and the two profile edge extending blocks jointly form a tightening tool which can be used for tightening screws or nuts with even number of inner angles.

The improved structure is characterized in that the handle is provided with an adjusting groove, the screw hole is arranged between the adjusting groove and the fastening end, and the adjusting screw is arranged in the adjusting groove.

The further improvement lies in that the screw hole is arranged on one side of the fastening groove on the fastening end, which is far away from the handle, and the adjusting screw penetrates into the screw hole from the outer side to enter the fastening groove.

The improved structure is characterized in that the end part of the adjusting screw is also provided with a hand-wrestling part, the diameter of the hand-wrestling part is larger than that of the adjusting screw, and the end part of the handle is also provided with a hanging hole.

Compared with the prior art, the invention has the beneficial effects that:

the simple multifunctional loosening and tightening tool combines multiple functions, when the tool is used, the movable block can rotate by the screw rod to adjust the distance, one tool can be suitable for treating various types of outer hexagon screws, nuts, inner hexagon screws, nuts or other even number of inner and outer angle screws and nuts, and the tool is more multifunctional, convenient and fast compared with a traditional single-function wrench, and is simpler and more reliable compared with tool sleeving.

Drawings

FIG. 1: is an exploded view of the overall structure of the tightening tool in embodiment 1 of the present invention;

FIG. 2: is a top view of the whole structure of the elastic tool in the embodiment 1 of the invention;

FIG. 3: a first overall structure of the elastic tool in embodiment 1 of the invention is shown in a sectional view;

FIG. 4 is a schematic view of: a second overall structure of the elastic tool in embodiment 1 of the invention is shown in a sectional view;

FIG. 5 is a schematic view of: a first drawing is assembled for the overall structure of the tightening tool in embodiment 1 of the invention;

FIG. 6: a second drawing is assembled for the overall structure of the tightening tool in embodiment 1 of the invention;

FIG. 7 is a schematic view of: is the operation schematic diagram of the V-shaped profile edge of the tightening tool in embodiment 1 of the invention;

FIG. 8: is one of the operation diagrams of the linear edge of the tightening tool in embodiment 1 of the present invention;

FIG. 9: a second operation diagram of the linear edge of the tightening tool in the embodiment 1 of the present invention;

FIG. 10: is the top view of the whole structure of the elastic tool in the embodiment 3 of the invention;

FIG. 11: the overall structure of the tightening tool in embodiment 2 of the invention is schematically shown as a first (embodiment with a belt-type edge extension block);

FIG. 12: the second embodiment of the invention is the overall structure of the tightening tool in embodiment 2 (embodiment with a band-shaped edge extension block).

In the figure: the handle 1, the fastening end 2, the fastening groove 3, the movable block 4, the outer profile edge 5, the inner profile edge 6, the screw hole 7, the adjusting screw 8, the limiting cavity 9, the limiting groove 10, the chuck 11, the fixing piece 12, the clamping jaw 13, the fixing screw 14, the profile edge extending block 15, the adjusting groove 16, the hand wrestling part 17 and the hanging hole 18.

Detailed Description

The present invention is further described with reference to the accompanying drawings and the detailed description, and it should be noted that, in the case of no conflict, any combination between the embodiments or technical features described below may form a new embodiment.

Referring to fig. 1 to 12:

example 1: the embodiment provides a simple multifunctional tightening tool capable of tightening outer hexagonal screws or outer four corners or other outer even-number angle screws or nuts, which comprises a handle 1, wherein a fastening end 2 is formed at one end of the handle 1, a fastening groove 3 is formed by hollowing out the fastening end 2, a movable block 4 capable of moving in the fastening groove 3 is arranged in the fastening groove 3, an outer shape edge 5 for shaping the tightening screws or nuts is formed on the movable block 4 and can form an inner shape edge 6 with the inner shape edge 6 of the fastening groove 3, the inner side of the fastening groove 3 is provided with the inner shape edge 6, one side of the fastening end 2 is also provided with a screw hole 7, an inner thread is arranged in the screw hole 7, an adjusting screw rod 8 is arranged in the screw hole 7, the adjusting screw rod 8 is provided with an outer thread, the adjusting screw rod 8 passes through the screw hole 7 and is abutted to the movable block 4, and the adjusting screw rod 8 is rotated clockwise, can push the movable block 4 to the direction of the inner molded edge 6, thereby reducing the molded hole finally enclosed, and being suitable for the screw nut with smaller size, through the counterclockwise rotation adjusting screw rod 8, the matching hand is poked, or the limiting mechanism is arranged on the movable block 4, the movable block 4 can be driven to move towards the direction far away from the inner molded edge 6, thereby increasing the molded hole finally enclosed, and being suitable for the screw nut with larger size, therefore, the relative position of the movable block 4 in the fastening groove 3 can be adjusted, thereby matching the molded hole models suitable for the tightness of screws or nuts with different sizes, of course, it is noted that the movable block 4 can shake in the movement in the fastening groove 3, the sliding rail can be arranged in the fastening groove 3, the sliding blocks are arranged at the two ends of the movable block 4, and the sliding block can slide in the sliding rail to solve the possible technical problems, other technical solutions can be adopted, and the following technical solutions can be specifically referred to.

Specifically, as a supplement to embodiment 1, referring to fig. 1 to 7, the inner profile 6 and the outer profile 5 are both V-shaped notches, the two profiles are arranged in a mirror image, and the outer profile 5 of the movable block 4, the upper and lower groove surfaces of the fastening groove 3 and the inner profile 6 together enclose a hexagonal hole suitable for a hexagon screw or a nut.

Specifically, as a supplement to embodiment 1, referring to fig. 8 to 9, the inner shape edge 6 and the outer shape edge 5 are both a straight shape edge, the two shape edges are arranged in a mirror image, the outer shape edge 5 on the movable block 4, the upper and lower groove surfaces of the fastening groove 3, and the inner shape edge 6 together enclose a hole suitable for an even number of side shape screws or nuts, such as an outer quadrangle screw, an outer octagonal screw, and the like, and since the screws or nuts on the even number of sides all have a symmetrical edge, the scheme of this embodiment with the straight shape edge can form two parallel action edges on the inner sides of the movable block 4 and the fastening groove 3, and can perform tightening and loosening operations according to the size of the screws, of course, the limitation is limited by the vertical height of the upper and lower groove surfaces of the fastening groove 3, and the action size that the inner shape edge 6 and the outer shape edge 5 can adjust also needs to be customized according to specific size as long as the size meets the requirement of a screw with enough size.

Specifically, when the adjusting screw 8 is inserted into the movable block 4, the movable block 4 needs to be driven to move both forwards and backwards, in the present technical scheme, a preferable embodiment is provided, a limiting cavity 9 facing the screw opening is arranged at one end of the movable block 4 corresponding to the adjusting screw 8, a limiting groove 10 is arranged in the limiting cavity 9, a chuck 11 is arranged at a position of the tail end of the screw corresponding to the limiting groove 10, the chuck 11 is clamped in the limiting groove 10 to prevent the adjusting screw 8 from being pulled out, the chuck 11 is also cylindrical, the limiting groove 10 is an annular concave cavity, one end of the limiting groove is open, at this time, the limiting groove 10 is an annular limiting groove 10 which is located at the inner side of the limiting cavity 9, the diameter of the outer side of the limiting cavity 9 is smaller than the diameter of the limiting groove 10, the chuck 11 cannot be pulled out left and right after being clamped in the limiting groove 10, and can only rotate on an axis in the annular cavity of the limiting groove 10, as another assembly problem of the present technical scheme, when the movable block 4 is actually used, the movable block 4 can also rotate along with the adjusting screw 8, in order to solve the problem that the problem, the problem that the movable block 4 can only contact with the adjusting block 4 and the limiting groove 12 and the adjusting block can rotate on the outer side of the adjusting block 9, and the end face of the adjusting screw 8, the limiting groove 12 can only rotate.

As a further improved embodiment, the fixing plate 12 is provided with a clamping jaw 13, the clamping jaw 13 is provided with an annular acting end, the acting end of the clamping jaw 13 extends into the limiting cavity 9 of the movable block 4 and is annularly connected to the tail end of the adjusting screw 8 and one side of the chuck 11, so that the adjusting screw 8 is limited by the clamping jaw 13, the screw hole 7 and the limiting groove 10 at the same time, and only can rotate along the axis, and meanwhile, due to the matching of the internal thread on the screw hole 7 and the external thread on the screw, the movable block 4 is driven to move in the fastening groove 3 during rotation.

As a further improved embodiment, a fixing screw 14 is further included, the fixing screw 14 penetrates through the fixed plate 12 and the movable block 4 at the same time and fixedly connects the fixed plate 12 and the movable block 4 together, as in the previous embodiment without the fixing screw 14, the fixed plate 12 and the movable block 4 can be welded together by welding, but the fixing screw 14 is simpler and more convenient to use here for the sake of convenience of assembly.

Example 2: referring to fig. 11-12, different from embodiment 1, in this embodiment, on the basis of embodiment 1, tightening and loosening of screws or nuts at even number angles, such as outer hexagonal outer four corners, and tightening and loosening of screws or nuts at even number angles, such as inner hexagonal, inner four corners, etc., can be achieved, and a specific embodiment is that a profile edge extension block 15 further extends from one side end surface of the inner profile edge 6 and the outer profile edge 5, and the two profile edge extension blocks 15 jointly form a tightening and loosening tool which can be used for tightening and loosening screws or nuts at even number angles.

Example 3: referring to fig. 10, on the basis of the two embodiments, the embodiment provides an embodiment in which the adjusting screw 8 is inserted into one side of the handle 1, specifically, the handle 1 is provided with an adjusting groove 16, the screw hole 7 is disposed between the adjusting groove 16 and the fastening end 2, and the adjusting screw 8 is disposed in the adjusting groove 16.

Example 4: different from embodiment 3, this embodiment provides an embodiment in which the adjusting screw 8 is on the side away from the handle 1, specifically, the screw hole 7 is disposed on the fastening end 2 at the side of the fastening groove 3 away from the handle 1, and the adjusting screw 8 penetrates through the screw hole 7 from the outside into the fastening groove 3.

The

above embodiments

3 and 4 can be determined according to actual production needs, for example, when the screw needs to be inserted into the interior for tightening or loosening, the inner space is not so large, and then in embodiment 3, because the adjusting screw 8 is on the side of the handle 1, the overall length of the screw is relatively short, and such operation and application scenarios are relatively applicable.

Specifically, in the four embodiments, the end of the adjusting screw 8 of each embodiment is provided with the hand-wrestling portion 17, the diameter of the hand-wrestling portion 17 is larger than that of the adjusting screw 8, and the end of the handle 1 is further provided with the hanging hole 18 for facilitating hanging.

The above embodiments are only preferred embodiments of the present invention, and the scope of the present invention should not be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are intended to be covered by the claims.

Claims

1. The utility model provides a simple and easy multi-functional elasticity instrument, includes the handle, its characterized in that: the one end of handle forms fastening end, the fastening is served the fretwork and is formed fastening groove, the fastening inslot is equipped with the movable block that can move in the fastening inslot, be equipped with on the movable block can form the appearance limit that the molding that is used for elasticity screw or nut to use with the interior profile edge in fastening groove, one side of fastening end still is equipped with the screw, adjusting screw pass the screw and with the movable block butt, through the relative position of the adjustable movable block of adjusting screw's rotation at the fastening inslot to the matching goes out the type hole molding that is applicable to not equidimension screw or nut elasticity and uses.

2. A simple multi-functional tensioning tool as defined in claim 1, further comprising: the one end that the movable block corresponds the screw rod is equipped with towards screw rod open-ended spacing chamber, spacing intracavity is equipped with the spacing groove, the position that the terminal of screw rod corresponds the spacing groove is equipped with the dop, and the dop card prevents adjusting screw outward to extract in the spacing inslot, the outside of movable block still is equipped with the stationary blade, the upper and lower both ends of stationary blade and the end face contact in fastening groove are rotatory in order to prevent movable block and adjusting screw linkage.

3. A simple multi-functional tensioning tool as defined in claim 2, further comprising: the fixed piece is provided with a clamping jaw, and the action end of the clamping jaw extends into the limiting cavity of the movable block and is connected to the tail end of the adjusting screw rod and one side of the clamping head in an annular mode.

4. A simple multifunctional loosening and tightening tool as defined in claim 2 or 3, wherein: the fixing device also comprises a fixing screw, and the fixing screw penetrates through the fixing piece and the movable block simultaneously and fixedly connects the fixing piece and the movable block together.

5. A simple multi-functional tensioning tool as defined in claim 1, further comprising: the inner molding edge and the outer molding edge are both V-shaped notches, the two molding edges are arranged in a mirror image mode, and the outer molding edge, the upper groove face and the lower groove face of the fastening groove and the inner molding edge on the movable block jointly enclose a hexagonal hole suitable for a hexagon screw or a nut.

6. A simple multi-functional tensioning tool as defined in claim 1, further comprising: the inner type edge and the outer type edge are straight type edges, the two type edges are arranged in a mirror image mode, and the outer type edge, the upper groove face and the lower groove face of the fastening groove and the inner type edge on the movable block jointly enclose a type hole suitable for even-number-edge type screws or nuts.

7. A simple multifunctional loosening and tightening tool as defined in claim 5 or 6, wherein: the end face of one side of the inner profile edge and the end face of one side of the outer profile edge extend out of profile edge extending blocks, and the two profile edge extending blocks jointly form a tightening tool which can be used for tightening screws or nuts with even number of inner angles.

8. A simple multi-functional tensioning tool as defined in claim 1, further comprising: the handle is provided with an adjusting groove, the screw hole is arranged between the adjusting groove and the fastening end, and the adjusting screw is arranged in the adjusting groove.

9. A simple multi-functional tensioning tool as defined in claim 1, further comprising: the screw hole is arranged on one side, away from the handle, of the fastening groove on the fastening end, and the adjusting screw penetrates into the screw hole from the outer side to enter the fastening groove.

10. A simple multifunctional loosening and tightening tool as defined in claim 8 or 9, wherein: the end part of the adjusting screw rod is also provided with a hand breaking part, the diameter of the hand breaking part is larger than that of the adjusting screw rod, and the end part of the handle is also provided with a hanging hole.