CN108098689B - Nut dismounting tool and dismounting method - Google Patents
Nut dismounting tool and dismounting method Download PDFInfo
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- CN108098689B CN108098689B CN201711440832.5A CN201711440832A CN108098689B CN 108098689 B CN108098689 B CN 108098689B CN 201711440832 A CN201711440832 A CN 201711440832A CN 108098689 B CN108098689 B CN 108098689B
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- 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
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
Abstract
Discloses a nut dismounting tool and a dismounting method, belonging to the technical field of mechanical tools. The device comprises a first clamping jaw, a second clamping jaw, a connecting assembly and a handle, wherein the first clamping jaw and the second clamping jaw are respectively connected to the same side of the connecting assembly; the first clamping jaw is provided with a first inner side angle, and the angle of the first inner side angle is the same as that of one outer side angle of the nut to be disassembled and assembled; the second clamping jaw is provided with a second inner side angle, and the angle of the second inner side angle is the same as that of the other outer side angle of the nut to be disassembled and assembled; the distance between the vertex of the first inner side angle and the vertex of the second inner side angle is the same as the distance between the vertices of the outer side angles corresponding to the nut to be disassembled and assembled, and when the first inner side angle is seamlessly clamped outside one of the outer side angles of the nut to be disassembled and assembled, the second inner side angle is just seamlessly clamped outside the other outer side angle of the nut to be disassembled and assembled; the handle is fixedly connected to the other side of the connecting component. The method is realized based on the device. It can improve nut dismouting efficiency.
Description
Technical Field
The invention relates to the technical field of mechanical tools, in particular to a nut dismounting tool and a nut dismounting method.
Background
In the prior art, when the nut is disassembled and assembled, manual disassembly and assembly is usually applied, however, the nut is usually tightly connected with a bolt in order to ensure the connection strength in the use process, so that when the nut is simply disassembled and assembled manually, the nut is difficult to unscrew from the bolt due to small friction force between hands and the nut, when a general manual wrench is applied, the end of the manual wrench per se has a certain shape, when the position of the nut and the bolt cannot meet the requirement that the end of the manual wrench stretches, even if the manual wrench is applied, the nut and the bolt are still difficult to separate, therefore, the low working efficiency is caused, and the waste of human resources is also caused.
Disclosure of Invention
In view of the above, the present invention provides a nut dismounting tool and a nut dismounting method, which can adapt to the shape of a nut and can dismount the nut by using a lever principle with a small acting force. Thereby being more practical.
In order to achieve the first object, the invention provides a nut dismounting tool, comprising:
the invention provides a nut dismounting tool which comprises a first clamping jaw (4a), a second clamping jaw (4b), a connecting assembly and a handle (7),
the first clamping jaw (4a) and the second clamping jaw (4b) are respectively connected to the same side of the connecting component;
the first clamping jaw (4a) is provided with a first inner side angle, and the angle of the first inner side angle is the same as that of one outer side angle of the nut (15) to be disassembled and assembled; the second clamping jaw (4b) is provided with a second inner side angle, and the angle of the second inner side angle is the same as that of the other outer side angle of the nut (15) to be disassembled and assembled; the distance between the vertex of the first inner side angle and the vertex of the second inner side angle is the same as the distance between the vertexes of the corresponding outer side angles of the nut (15) to be disassembled and assembled, so that when the first clamping jaw (4a) is seamlessly clamped outside one of the outer side angles of the nut (15) to be disassembled and assembled by the first inner side angle, the second clamping jaw (4b) is seamlessly clamped outside the other outer side angle of the nut (15) to be disassembled and assembled by the second inner side angle;
the handle (7) is fixedly connected to the other side of the connecting component.
The nut dismounting tool provided by the invention can be further realized by adopting the following technical measures.
Preferably, the first clamping jaw (4a) and the second clamping jaw (4b) are respectively arranged at two ends of one diameter of the nut (15) to be disassembled and assembled.
Preferably, the angles of the first inner side angle and the second inner side angle are respectively 120 °.
Preferably, the connecting assembly comprises a supporting disc (1), an adjusting disc (2), a first connecting piece (6a), a second connecting piece (6b) and a locking assembly (13),
a rotating shaft (17) is arranged at the center of the supporting disk (1), a sleeve (18) is arranged at the center of the adjusting disk (2), and a rotating pair is formed between the rotating shaft (17) and the sleeve (18);
a plurality of pairs of spiral grooves (10) are arranged on the adjusting disc (2), a first accommodating groove (8a-9a) and a second accommodating groove (8a-9a) are respectively arranged on two sides of at least one diameter of the supporting disc (1),
one end (16a) of the first connecting piece (6a) is accommodated in the first accommodating groove (8a-9a) and connected to one of the spiral grooves (10) which appear in pairs, and the other end (17a) of the first connecting piece (6a) is connected to the first clamping jaw (4 a);
one end (16b) of the second connecting piece (6b) is accommodated in the second accommodating groove (8b-9b) and connected to the other spiral groove of the spiral grooves (10) which appear in pairs, and the other end (17b) of the second connecting piece (6b) is connected to the second clamping jaw (4 b);
the locking assembly (13) comprises a locking block (11) and a locking bolt (12),
the locking block (11) is provided with a clamping groove (19), a bracket (20) and a threaded hole (21), the locking block (11) is inserted into the supporting plate (1) through the bracket (20), the edge of the adjusting plate (2) is accommodated in the clamping groove (19) of the locking block (11), and the locking bolt (12) penetrates through the threaded hole (21) and abuts against the edges of the supporting plate (1) which are formed in pairs through the foot part of the locking bolt (12).
As a preference, the first and second liquid crystal compositions are,
the spiral grooves (10) appearing in pairs are diffused towards the edge of the adjusting disk (2) by taking the sleeve (18) as a base point, so that the distance between the base points corresponding to the spiral grooves (10) appearing in pairs is minimum, and the distance between the outermost edges corresponding to the spiral grooves (10) appearing in pairs is maximum;
the spiral grooves (10) which appear in pairs are outwards rotated in the anticlockwise direction, so that when the adjusting disc (2) rotates anticlockwise, the first clamping jaw (4a) and the second clamping jaw (4b) are driven by the first connecting piece (6a) and the second connecting piece (6b) to approach each other; when the adjusting disc (2) rotates clockwise, the first connecting piece (6a) and the second connecting piece (6b) drive the first clamping jaw (4a) and the second clamping jaw (4b) to be away from each other.
As a preference, the first and second liquid crystal compositions are,
a first long round hole (22a) is formed in the other end (17a) of the first connecting piece (6a), and the other end (17a) of the first connecting piece (6a) is connected to the first clamping jaw (4a) through the first long round hole (22 a);
and a second long round hole (22b) is formed in the other end (17b) of the second connecting piece (6b), and the other end (17b) of the second connecting piece (6b) is connected to the second clamping jaw (4b) through the second long round hole (22 b).
As a preference, the first and second liquid crystal compositions are,
the radial section of one end (16a) of the first connecting piece (6a) is in an oblong shape, the diameter of the oblong shape is larger than the width of the connecting arm of the first connecting piece (6a),
the first accommodating groove (8a-9a) is a stepped groove and comprises a first section of groove (8a) and a second section of groove (9a), the width of the first section of groove (8a) is larger than that of the second section of groove (9a), one end (16a) of the first connecting piece (6a) is accommodated in the first section of groove (8a), and the connecting arm of the first connecting piece (6a) is accommodated in the second section of groove (9 a);
the radial section of one end (16b) of the second connecting piece (6b) is in an oblong shape, the diameter of the oblong shape is larger than the width of the connecting arm of the second connecting piece (6b),
the second accommodating groove (8b-9b) is a stepped groove and comprises a third section of groove (8b) and a fourth section of groove (9b), the width of the third section of groove (8b) is larger than that of the fourth section of groove (9b), one end (16b) of the second connecting piece (6b) is accommodated in the third section of groove (8b), and the connecting arm of the second connecting piece (6b) is accommodated in the fourth section of groove (9 b).
Preferably, the handle (7) is vertically connected to the support plate (1).
Preferably, the nut to be disassembled and assembled is a cap nut.
In order to achieve the first object, the technical scheme of the nut dismounting method provided by the invention is as follows:
the nut dismounting method provided by the invention is realized based on the nut dismounting tool provided by the invention, and comprises the following steps:
respectively clamping a first clamping jaw (4a) and a second clamping jaw (4b) of the nut dismounting tool on at least two outer side corners of a nut (15) to be dismounted;
and rotating the handle (7) to enable the nut dismounting tool to drive the nut (15) to be dismounted to perform rotary motion, so that the nut (15) to be dismounted is connected to the corresponding bolt, or is rotated down from the bolt connected with the nut dismounting tool.
In the application process, the first inner side angle of the first clamping jaw 4a and the second inner side angle of the second clamping jaw 4b are respectively clamped on at least two outer side angles of the nut 15 to be disassembled and assembled, and in the process of disassembling and assembling the nut 15 to be disassembled and assembled, the nut disassembling and assembling tool is rotated by the handle 7, and the first clamping jaw 4a and the second clamping jaw 4b can respectively apply acting force on the nut 15 to be disassembled and assembled, so that the rotating acting force can be transmitted to the nut 15 to be disassembled and assembled through the rotating torque of the handle 7, and the nut 15 to be disassembled and assembled can be driven to rotate to be installed together with a bolt installed on the nut or unscrewed from the bolt installed on the nut. In the process, the nut dismounting tool provided by the invention converts the acting force originally directly applied to the nut 15 to be dismounted into the moment passing through the handle 7, so that under the condition that the critical value of the rotation acting force of the nut 15 to be dismounted is not changed, the acting force required to be applied to the handle 7 is greatly reduced compared with the acting force directly applied to the nut 15 to be dismounted, therefore, the labor intensity of operators can be reduced, and the dismounting efficiency of the nut 15 to be dismounted is improved.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings.
In the drawings:
FIG. 1 is a half sectional view in one direction of a nut remover according to an embodiment of the present invention;
FIG. 2 is a view taken along line D of FIG. 1;
FIG. 3 is a schematic view of the adjustment dial of FIG. 2 after being rotated counterclockwise through an angle;
FIG. 4 is a view taken along line C of FIG. 1;
FIG. 5 is a view taken along line B-B of FIG. 3;
FIG. 6 is a schematic view of a first coupling member used in the nut remover according to an embodiment of the present invention;
FIG. 7 is a schematic view of another orientation of a first coupling member used in a nut remover according to an embodiment of the present invention;
fig. 8 is a flowchart illustrating steps of a nut dismounting method according to an embodiment of the present invention.
Detailed Description
The invention provides a nut dismounting tool and a nut dismounting method, aiming at solving the problems in the prior art, wherein the nut dismounting tool can be adapted to the shape of a nut, and can realize dismounting of the nut under the condition of applying smaller acting force by means of a lever principle. Thereby being more practical.
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the nut dismounting tool and the nut dismounting method according to the present invention, with reference to the accompanying drawings and preferred embodiments, will be made in detail. In the following description, different "one embodiment" or "an embodiment" refers to not necessarily the same embodiment. Furthermore, the features, structures, or characteristics of one or more embodiments may be combined in any suitable manner.
The term "and/or" herein is merely an association describing an associated object, meaning that three relationships may exist, e.g., a and/or B, with the specific understanding that: both a and B may be included, a may be present alone, or B may be present alone, and any of the three cases can be provided.
Example one
Referring to fig. 1 to 6, a nut dismounting tool according to a first embodiment of the present invention includes a first jaw 4a, a second jaw 4b, a connecting assembly, and a handle 7. The first clamping jaw 4a and the second clamping jaw 4b are respectively connected to the same side of the connecting component; the first clamping jaw 4a has a first inner side angle, and the angle of the first inner side angle is the same as that of one of the outer side angles of the nut 15 to be disassembled and assembled; the second jaw 4b has a second inner angle, which is the same as the other outer angle of the nut 15 to be disassembled; the distance between the vertex of the first inner side angle and the vertex of the second inner side angle is the same as the distance between the vertices of the outer side angles corresponding to the nut 15 to be disassembled and assembled, so that when the first clamping jaw 4a is seamlessly clamped outside one of the outer side angles of the nut 15 to be disassembled and assembled by using the first inner side angle, the second clamping jaw 4b is just seamlessly clamped outside the other outer side angle of the nut 15 to be disassembled and assembled by using the second inner side angle; the handle 7 is fixedly connected to the other side of the connecting assembly.
In the application process of the nut dismounting tool provided by the first embodiment of the invention, the first inner side angle of the first clamping jaw 4a and the second inner side angle of the second clamping jaw 4b are respectively clamped on at least two outer side angles of the nut 15 to be dismounted, and in the dismounting process of the nut 15 to be dismounted, the first clamping jaw 4a and the second clamping jaw 4b can respectively apply acting force on the nut 15 to be dismounted by rotating the nut dismounting tool through the handle 7, so that the rotating acting force can be transmitted to the nut 15 to be dismounted through the rotating torque of the handle 7, and the nut 15 to be dismounted can be driven to rotate to be mounted together with the mounted bolt or unscrewed from the mounted bolt. In the process, the nut dismounting tool provided by the invention converts the acting force originally directly applied to the nut 15 to be dismounted into the moment passing through the handle 7, so that under the condition that the critical value of the rotation acting force of the nut 15 to be dismounted is not changed, the acting force required to be applied to the handle 7 is greatly reduced compared with the acting force directly applied to the nut 15 to be dismounted, therefore, the labor intensity of operators can be reduced, and the dismounting efficiency of the nut 15 to be dismounted is improved.
The first clamping jaw 4a and the second clamping jaw 4b are respectively arranged at two ends of one diameter of the nut 15 to be disassembled and assembled. Under this condition, the action point of the moment applied to the nut 15 to be disassembled and assembled through the handle 7 is respectively positioned at two ends of one diameter of the nut 15 to be disassembled and assembled, the action points are uniformly distributed, the disassembling and assembling process can be more convenient, and in addition, under the condition that the rotation critical action force of the nut 15 to be disassembled and assembled is kept unchanged, the action force applied to the handle 7 is minimum.
Wherein the angles of the first inner side angle and the second inner side angle are respectively 120 degrees. Under general conditions, the cross section of waiting to dismouting nut 15 is regular hexagon, and under this condition, the outside angle of waiting to dismouting nut 15 is 120, when setting for 120 respectively first inside angle of first clamping jaw 4a, second inside angle 4b of second clamping jaw 4b, can guarantee this first clamping jaw 4a, second clamping jaw 4b in application, can with wait to agree with between dismouting nut 15 more perfect, avoid in application, appear because first clamping jaw 4a, second clamping jaw 4b and wait to the moment loss that can't the complete adaptation appears between dismouting nut 15.
The connecting assembly comprises a supporting disc 1, an adjusting disc 2, a first connecting piece 6a, a second connecting piece 6b and a locking assembly 13. A rotating shaft 17 is arranged at the center of the supporting plate 1, a sleeve 18 is arranged at the center of the adjusting plate 2, and a rotating pair is formed between the rotating shaft 17 and the sleeve 18; the adjusting disc 2 is provided with a plurality of pairs of spiral grooves 10, the supporting disc 1 is respectively provided with a first accommodating groove 8a-9a and a second accommodating groove 8a-9a on two sides of at least one diameter, wherein one end 16a of the first connecting piece 6a is accommodated in the first accommodating groove 8a-9a and connected to one of the spiral grooves 10 which appear in pairs, and the other end 17a of the first connecting piece 6a is connected to the first clamping jaw 4 a; one end 16b of the second connecting piece 6b is accommodated in the second accommodating groove 8b-9b and connected to the other spiral groove of the spiral grooves 10 appearing in pairs, and the other end 17b of the second connecting piece 6b is connected to the second clamping jaw 4 b; locking assembly 13 includes latch segment 11 and locking bolt 12, is provided with draw-in groove 19, support groove 20 and screw hole 21 on the latch segment 11, and the latch segment 11 inserts to supporting disk 1 through support groove 20, and the edge holding of adjusting disk 2 is in the draw-in groove 19 of latch segment 11, and locking bolt 12 wears to locate in the screw hole 21 to support the edge in the supporting disk 1 that appears in pairs through the foot of locking bolt 12. In this case, the distance between the one end 16a of the first connecting member 6a and the one end 16b of the second connecting member 6b can be changed by rotating the adjusting plate 2, and at this time, since the distance between the first connecting member 6a and the second connecting member 6b is not adjustable, the distance between the first jaw 4a and the second jaw 4b can be adjusted by rotating the adjusting plate 2, and thus, the adjusting plate can be adapted to nuts 15 to be mounted and dismounted with more specifications.
Wherein the spiral grooves 10 appearing in pairs are spread towards the edge of the adjusting disk 2 with the sleeve 18 as a base point, so that the distance between the base points corresponding to the spiral grooves 10 appearing in pairs is smallest and the distance between the outermost edges corresponding to the spiral grooves 10 appearing in pairs is largest; the spiral grooves 10 which appear in pairs are outward rotated in the anticlockwise direction, so that when the adjusting disc 2 rotates anticlockwise, the first connecting piece 6a and the second connecting piece 6b drive the first clamping jaw 4a and the second clamping jaw 4b to approach each other; when the adjusting disc 2 rotates clockwise, the first connecting piece 6a and the second connecting piece 6b drive the first clamping jaw 4a and the second clamping jaw 4b to be away from each other. In this case, during the counterclockwise or clockwise rotation of the adjustment disk 2, the pitch of the one end 16a of the first connection member 6a and the one end 16b of the second connection member 6b in the spiral grooves 10 appearing in pairs can be continuously changed, and therefore, even if there is only a small change in the specification of the nut 15 to be disassembled, the nut disassembling tool provided by the first embodiment of the present invention can be adapted to the nut 15 to be disassembled. Fig. 2 and 3 show two different positions of the first connecting part 6a, the second connecting part 6b and the spiral groove 10 which appears in pairs, respectively, in fig. 2, the distance between the fixing point 23a between the first connecting part 6a and the adjusting disk 2 and the fixing point 23b between the second connecting part 6b and the adjusting disk 2 is large, after the adjusting disk 2 rotates counterclockwise by an angle, the view is shown in fig. 3, in the process of changing from fig. 2 to fig. 3, the distance between the fixing point 23a between the first connecting part 6a and the adjusting disk 2 and the distance between the fixing point 23b between the second connecting part 6b and the adjusting disk 2 are limited by the wall of the spiral groove 10 which appears in pairs, and the distances between the fixing point 23a between the first connecting part 6a and the adjusting disk 2 and the fixing point 23b between the second connecting; during the clockwise rotation of the adjustment disc 2 through an angle, which is actually the case in the transition from fig. 3 to fig. 2, the distance between the fastening point 23a between the first connecting element 6a and the adjustment disc 2 and the fastening point 23b between the second connecting element 6b and the adjustment disc 2 increases.
A first long round hole 22a is formed in the other end 17a of the first connecting piece 6a, and the other end 17a of the first connecting piece 6a is connected to the first clamping jaw 4a through the first long round hole 22 a; a second oblong hole 22b is formed in the other end 17b of the second connecting piece 6b, and the other end 17b of the second connecting piece 6b is connected to the second clamping jaw 4b through the second oblong hole 22 b. In this case, the oblong holes 22a and 22b are used, so that the connection between the first connecting piece 6a and the first clamping jaw 4a has an adjustment allowance, and the connection between the second connecting piece 6b and the second clamping jaw 4b also has an adjustment allowance, thereby avoiding the situation that the first connecting piece 6a and the first clamping jaw 4a cannot be matched or the second connecting piece 6b and the second clamping jaw 4b cannot be matched due to machining errors between parts.
Wherein, the radial section of one end 16a of the first connecting piece 6a is in an oval shape, and the diameter of the oval shape is larger than the width of the connecting arm of the first connecting piece 6 a. The first accommodating groove 8a-9a is a stepped groove and comprises a first section of groove 8a and a second section of groove 9a, the width of the first section of groove 8a is larger than that of the second section of groove 9a, one end 16a of the first connecting piece 6a is accommodated in the first section of groove 8a, and the connecting arm of the first connecting piece 6a is accommodated in the second section of groove 9 a; the radial cross-section of one end 16b of the second connecting piece 6b is oblong, the diameter of the oblong being larger than the width of the connecting arm of the second connecting piece 6 b. The second receiving groove 8b-9b is a stepped groove and includes a third section of groove 8b and a fourth section of groove 9b, the width of the third section of groove 8b is greater than the width of the fourth section of groove 9b, one end 16b of the second connecting member 6b is received in the third section of groove 8b, and the connecting arm of the second connecting member 6b is received in the fourth section of groove 9 b. In the application process, the connecting arm of the first connecting piece 6a is accommodated in the second section of groove 9a of the first accommodating groove 8a-9a, the connecting arm of the second connecting piece 6b is accommodated in the fourth section of groove 9b of the second accommodating groove 8b-9b, and in the process that the adjusting disc 2 rotates anticlockwise or clockwise, the first connecting piece 6a and the second connecting piece 6b can move in the second section of groove 9a and the fourth section of groove 9b more conveniently and rapidly; the width of the first section of groove 8a is greater than that of the second section of groove 9a, so that one end 16a of the first connecting piece 6a can be ensured to be always in the first section of groove 8a and not to fall off into the second section of groove 8b in the moving process of the first connecting piece 6a, and similarly, the width of the third section of groove 8b is greater than that of the fourth section of groove 9b, so that one end 16b of the second connecting piece 6b can be ensured to be always in the third section of groove 8b and not to fall off into the fourth section of groove 9b in the moving process of the second connecting piece 6b, and therefore the stability in the adjusting process of the distance between the first clamping jaw 4a and the second clamping jaw 4b is ensured.
Wherein the handle 7 is vertically connected to the support plate 1. In this case, it is possible to ensure that the loss of the force applied by the handle 7 is minimized, that is, the force applied to the handle 7 is minimized without changing the critical force of rotation of the bolt 15 to be attached and detached.
Wherein, the nut 15 to be disassembled is a cap nut. As the name implies, the cap-shaped nut is a hexagonal nut with a cap, the cap is used for fastening the exposed part of the outer side to cover the cap, so that moisture or other corrosive substances are prevented from entering the cap to play a role in rust prevention, and the service time of the cap and the service time of a connecting piece are prolonged. In the nut, which is generally connected to the end of a bolt, a larger force is sometimes required to be applied to the bolt to rotate the bolt or to unscrew the bolt from the bolt connected to the bolt than a conventional nut, and when a table surface is provided between the cap nut and the bolt connected to the cap nut, the space available for the operation of a human hand is greatly limited, and it is difficult to apply a corresponding rotational force to the cap nut, and when the nut assembling and disassembling tool provided in the first embodiment of the present invention is applied, even if the table surface is provided between the cap nut and the bolt connected to the cap nut, so that the space available for the operation of the human hand is limited, since the nut assembling and disassembling tool provided in the first embodiment of the present invention is fixed to the nut 15 to be disassembled by the first clamping jaw 4a and the second clamping jaw 4b, the fitting between the first clamping jaw 4a and the nut to be disassembled can be realized as long as the operating space is very small, therefore, even in this case, the nut removal tool according to the first embodiment of the present invention can complete the removal of the nut 15 to be removed by applying a small force to the handle 7.
Referring to fig. 7, the nut dismounting method provided by the embodiment of the present invention is implemented based on the nut dismounting tool provided by the present invention, and includes the following steps:
step S1: respectively clamping a first clamping jaw 4a and a second clamping jaw 4b of the nut dismounting tool on at least two outer side corners of a nut 15 to be dismounted;
step S2: the handle 7 is rotated to make the nut disassembling tool drive the nut 15 to be disassembled to perform a rotating motion, so that the nut 15 to be disassembled is connected to the corresponding bolt, or is rotated down from the bolt connected with the nut disassembling tool.
The nut dismounting method provided by the second embodiment of the invention is realized on the basis of the nut dismounting tool provided by the first embodiment of the invention, in the application process, the first inner side angle of the first clamping jaw 4a and the second inner side angle of the second clamping jaw 4b are respectively clamped on at least two outer side angles of the nut 15 to be dismounted, and in the dismounting process of the nut 15 to be dismounted, the handle 7 is used for rotating the nut dismounting tool, and the first clamping jaw 4a and the second clamping jaw 4b can respectively apply acting force to the nut 15 to be dismounted, so that the rotating acting force can be transmitted to the nut 15 to be dismounted through the rotating moment of the handle 7, and the nut 15 to be dismounted can be driven to rotate to be mounted with the mounted bolt or unscrewed from the mounted bolt. In the process, the nut dismounting tool provided by the invention converts the acting force originally directly applied to the nut 15 to be dismounted into the moment passing through the handle 7, so that under the condition that the critical value of the rotation acting force of the nut 15 to be dismounted is not changed, the acting force required to be applied to the handle 7 is greatly reduced compared with the acting force directly applied to the nut 15 to be dismounted, therefore, the labor intensity of operators can be reduced, and the dismounting efficiency of the nut 15 to be dismounted is improved.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (9)
1. A nut dismounting tool is characterized by comprising a first clamping jaw (4a), a second clamping jaw (4b), a connecting assembly and a handle (7),
the first clamping jaw (4a) and the second clamping jaw (4b) are respectively connected to the same side of the connecting component;
the first clamping jaw (4a) is provided with a first inner side angle, and the angle of the first inner side angle is the same as that of one outer side angle of the nut (15) to be disassembled and assembled; the second clamping jaw (4b) is provided with a second inner side angle, and the angle of the second inner side angle is the same as that of the other outer side angle of the nut (15) to be disassembled and assembled; the distance between the vertex of the first inner side angle and the vertex of the second inner side angle is the same as the distance between the vertexes of the corresponding outer side angles of the nut (15) to be disassembled and assembled, so that when the first clamping jaw (4a) is seamlessly clamped outside one of the outer side angles of the nut (15) to be disassembled and assembled by the first inner side angle, the second clamping jaw (4b) is seamlessly clamped outside the other outer side angle of the nut (15) to be disassembled and assembled by the second inner side angle;
the handle (7) is fixedly connected to the other side of the connecting component;
the connecting assembly comprises a supporting plate (1), an adjusting plate (2), a first connecting piece (6a), a second connecting piece (6b) and a locking assembly (13),
a rotating shaft (17) is arranged at the center of the supporting disk (1), a sleeve (18) is arranged at the center of the adjusting disk (2), and a rotating pair is formed between the rotating shaft (17) and the sleeve (18);
a plurality of pairs of spiral grooves (10) are arranged on the adjusting disc (2), a first accommodating groove (8a-9a) and a second accommodating groove (8a-9a) are respectively arranged on two sides of at least one diameter of the supporting disc (1),
one end (16a) of the first connecting piece (6a) is accommodated in the first accommodating groove (8a-9a) and connected to one of the spiral grooves (10) which appear in pairs, and the other end (17a) of the first connecting piece (6a) is connected to the first clamping jaw (4 a);
one end (16b) of the second connecting piece (6b) is accommodated in the second accommodating groove (8b-9b) and connected to the other spiral groove of the spiral grooves (10) which appear in pairs, and the other end (17b) of the second connecting piece (6b) is connected to the second clamping jaw (4 b);
the locking assembly (13) comprises a locking block (11) and a locking bolt (12),
the locking block (11) is provided with a clamping groove (19), a bracket (20) and a threaded hole (21), the locking block (11) is inserted into the supporting plate (1) through the bracket (20), the edge of the adjusting plate (2) is accommodated in the clamping groove (19) of the locking block (11), and the locking bolt (12) penetrates through the threaded hole (21) and abuts against the edges of the supporting plate (1) which are formed in pairs through the foot part of the locking bolt (12).
2. Nut dismounting tool according to claim 1, characterized in that said first jaw (4a), said second jaw (4b) are located at the two ends of one of the diameters of said nut (15) to be dismounted.
3. The nut remover according to claim 1, wherein the angles of the first and second inside angles are each 120 °.
4. The nut remover according to claim 1,
the spiral grooves (10) appearing in pairs are diffused towards the edge of the adjusting disk (2) by taking the sleeve (18) as a base point, so that the distance between the base points corresponding to the spiral grooves (10) appearing in pairs is minimum, and the distance between the outermost edges corresponding to the spiral grooves (10) appearing in pairs is maximum;
the spiral grooves (10) which appear in pairs are outwards rotated in the anticlockwise direction, so that when the adjusting disc (2) rotates anticlockwise, the first clamping jaw (4a) and the second clamping jaw (4b) are driven by the first connecting piece (6a) and the second connecting piece (6b) to approach each other; when the adjusting disc (2) rotates clockwise, the first connecting piece (6a) and the second connecting piece (6b) drive the first clamping jaw (4a) and the second clamping jaw (4b) to be away from each other.
5. The nut remover according to claim 1,
a first long round hole (22a) is formed in the other end (17a) of the first connecting piece (6a), and the other end (17a) of the first connecting piece (6a) is connected to the first clamping jaw (4a) through the first long round hole (22 a);
and a second long round hole (22b) is formed in the other end (17b) of the second connecting piece (6b), and the other end (17b) of the second connecting piece (6b) is connected to the second clamping jaw (4b) through the second long round hole (22 b).
6. The nut remover according to claim 1,
the radial section of one end (16a) of the first connecting piece (6a) is in an oblong shape, the diameter of the oblong shape is larger than the width of the connecting arm of the first connecting piece (6a),
the first accommodating groove (8a-9a) is a stepped groove and comprises a first section of groove (8a) and a second section of groove (9a), the width of the first section of groove (8a) is larger than that of the second section of groove (9a), one end (16a) of the first connecting piece (6a) is accommodated in the first section of groove (8a), and the connecting arm of the first connecting piece (6a) is accommodated in the second section of groove (9 a);
the radial section of one end (16b) of the second connecting piece (6b) is in an oblong shape, the diameter of the oblong shape is larger than the width of the connecting arm of the second connecting piece (6b),
the second accommodating groove (8b-9b) is a stepped groove and comprises a third section of groove (8b) and a fourth section of groove (9b), the width of the third section of groove (8b) is larger than that of the fourth section of groove (9b), one end (16b) of the second connecting piece (6b) is accommodated in the third section of groove (8b), and the connecting arm of the second connecting piece (6b) is accommodated in the fourth section of groove (9 b).
7. Nut dismounting tool according to claim 1, characterized in that said handle (7) is connected vertically to said support plate (1).
8. Nut dismounting tool according to claim 1, characterized in that said nut (15) to be dismounted is a cap nut.
9. A nut mounting and dismounting method which is realized based on the nut mounting and dismounting tool according to any one of claims 1 to 8, characterized by comprising the steps of:
respectively clamping a first clamping jaw (4a) and a second clamping jaw (4b) of the nut dismounting tool on at least two outer side corners of a nut (15) to be dismounted;
and rotating the handle (7) to enable the nut dismounting tool to drive the nut (15) to be dismounted to perform rotary motion, so that the nut (15) to be dismounted is connected to the corresponding bolt, or is rotated down from the bolt connected with the nut dismounting tool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711440832.5A CN108098689B (en) | 2017-12-27 | 2017-12-27 | Nut dismounting tool and dismounting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711440832.5A CN108098689B (en) | 2017-12-27 | 2017-12-27 | Nut dismounting tool and dismounting method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108098689A CN108098689A (en) | 2018-06-01 |
| CN108098689B true CN108098689B (en) | 2020-02-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711440832.5A Active CN108098689B (en) | 2017-12-27 | 2017-12-27 | Nut dismounting tool and dismounting method |
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| CN (1) | CN108098689B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111776539A (en) * | 2020-08-04 | 2020-10-16 | 嘉兴霸能智能家居有限公司 | Dustbin based on thing networking |
| CN112593058B (en) * | 2020-11-27 | 2022-09-09 | 青岛理工大学 | Shaft part surface strengthening device capable of realizing constant pressure self-balance and machine tool |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003328564A (en) * | 2002-05-09 | 2003-11-19 | Taisei Corp | Tool for disassembling horizontal net |
| CN104842318A (en) * | 2014-02-17 | 2015-08-19 | 中电华元核电工程技术有限公司 | Large-diameter high-temperature bolt dismounting tool |
| CN206286852U (en) * | 2016-12-09 | 2017-06-30 | 西安科技大学 | A kind of boring grab of fast demountable |
| CN206748299U (en) * | 2017-05-25 | 2017-12-15 | 河南晶锐新材料股份有限公司 | A kind of nut dismounting instrument |
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