CN212887337U - Socket spanner - Google Patents

Abstract

The utility model relates to a socket wrench, which comprises a main body, an adjusting ring, a driving ring and an inner diameter adjusting piece, wherein the driving ring can slide along the axis direction of the main body and drive the inner diameter adjusting piece to slide out of an adjusting groove; the adjusting ring can rotate, so that the open slot is spliced with another adjusting groove with different depths to form accommodating grooves with different sizes; the inner diameter adjusting pieces can be accommodated in accommodating grooves with different sizes so as to adjust the size of the inner diameter of a graph formed by enclosing at least two inner diameter adjusting pieces. The utility model provides a box spanner can be applicable to the screw member of different specifications, has saved box spanner's warehousing and transportation space to convenient to use person deposits, has reduced manufacturing cost. And, the utility model provides a box spanner simple structure, the processing production of being convenient for, convenient operation is swift, and is firm to the screw member locking of different specifications, convenient to use.

Description

Socket spanner

Technical Field

The utility model relates to a hardware and tools field especially relates to a box spanner.

Background

The socket wrench is a hardware tool for screwing a threaded part at a narrow or concave position, the specification of the traditional socket wrench can only be suitable for the threaded part with one specification, and in order to adapt to the threaded parts with different specifications, the socket wrench is generally sold in a set and contains socket wrenches with various specifications. However, the complete set of socket wrench not only wastes the manufacturing materials, but also occupies the storage and transportation space, so that the transportation cost is high, and the storage is not convenient for users.

SUMMERY OF THE UTILITY MODEL

Accordingly, there is a need for a socket wrench.

The utility model provides a socket spanner, include:

the wrench comprises a main body and a handle, wherein the main body comprises a wrench joint part and a size adjusting part which are oppositely arranged, and an open slot is formed in the size adjusting part;

the adjusting ring is sleeved on the size adjusting part, at least two adjusting grooves are formed in the inner wall of the adjusting ring, and the forming depths of the two adjusting grooves along the radial direction of the adjusting ring are different;

a driving ring which is sleeved on the main body and can slide along the axial direction of the main body;

at least two inner diameter adjusting pieces, wherein one end of each inner diameter adjusting piece is contained in a containing groove formed by splicing the adjusting groove and the open groove, the other end of each inner diameter adjusting piece is connected to the driving ring, and the at least two inner diameter adjusting pieces are matched with each other and used for clamping a threaded piece;

the driving ring can slide along the axial direction of the main body and drives the inner diameter adjusting piece to slide out of the adjusting groove; the adjusting ring can rotate, so that the open groove is spliced with the adjusting groove at another different depth to form accommodating grooves with different sizes; the inner diameter adjusting pieces can be contained in the containing grooves with different sizes so as to adjust the size of the inner diameter of a graph formed by enclosing at least two inner diameter adjusting pieces.

In an embodiment of the present invention, the socket wrench further includes a pushing assembly, the pushing assembly is connected to the inner diameter adjusting member, the pushing assembly can drive the inner diameter adjusting member to move away from the end of the wrench engaging portion, and drive the inner diameter adjusting member to slide into the adjusting groove.

In an embodiment of the present invention, one of the outer peripheral wall of the size adjusting portion and the inner peripheral wall of the adjusting ring has an axial limiting groove, and the other has a protruding axial limiting part, the adjusting ring can rotate relative to the driving ring, and the axial limiting part can slide in the axial limiting groove and limit the main body to generate axial displacement when the main body rotates relative to the adjusting ring.

In an embodiment of the present invention, the socket wrench further includes a locking pin and a first elastic member, a locking groove is formed on the axial limiting member, the locking groove is used for accommodating the first elastic member and a part of the locking pin, one end of the first elastic member abuts against an inner wall of the locking groove, and the other end of the first elastic member passes through the locking pin abuts against the inner wall of the axial limiting groove.

In an embodiment of the present invention, an end of the adjusting ring relatively close to the size adjusting portion protrudes toward an inside of the adjusting ring and forms an annular projection, and at least two of the adjusting grooves are opened on an inner circumferential wall of the annular projection; the annular lug is provided with a first guide part on one side of the adjusting groove, which is relatively close to the wrench joint part, and the first guide part is used for guiding the inner diameter adjusting piece into the adjusting groove; and/or the presence of a catalyst in the reaction mixture,

the inner diameter adjusting piece is provided with a second guide part, the second guide part is an inclined plane formed by one end, close to the size adjusting part, of the inner diameter adjusting piece, and the second guide part is used for guiding the inner diameter adjusting piece to the adjusting groove.

In an embodiment of the present invention, the socket wrench further includes a seat body, the seat body is sleeved on the wrench engaging portion, the pushing member includes a second elastic member, one end of the second elastic member abuts against the inner diameter adjusting member, and the other end abuts against the seat body.

In an embodiment of the present invention, the second elastic member is sleeved on the wrench engaging portion and located between the seat body and the wrench engaging portion.

In an embodiment of the present invention, a mounting groove is formed on a side of the inner diameter adjusting member relatively close to the wrench engaging portion, a connecting member is convexly disposed on an inner wall of the driving ring, the connecting member includes a mounting block and fixing blocks fixedly disposed on two sides of the mounting block, the mounting groove is clamped on the mounting block and is limited by two fixing blocks, so that the inner diameter adjusting member is detachably mounted on the driving ring; and/or the presence of a catalyst in the reaction mixture,

the inner diameter adjusting piece is detachably arranged on the driving ring through the insertion of the insertion groove and the insertion block.

The utility model discloses an in one embodiment, promote the subassembly and include screw thread groove and sliding block, the screw thread groove set up in the periphery wall of pedestal, the protruding internal perisporium that locates the drive ring of sliding block, the pedestal can for the drive ring rotates, and drives the sliding block is in slide in the screw thread groove, make the drive ring can be followed the axial reciprocating motion of main part.

In an embodiment of the present invention, the number of the inner diameter adjusting members is three, three sets of the adjusting grooves with different sizes are disposed on the adjusting ring, each set includes three adjusting grooves with the same size, and the three adjusting grooves with different sizes are disposed at intervals; the driving ring drives the inner diameter adjusting piece to move, and the inner diameter adjusting piece is located in the adjusting grooves with the same size.

In an embodiment of the utility model, the utility model provides an in the embodiment, the utility model provides a box spanner can be applicable to the screw member of different specifications, has saved box spanner's warehousing and transportation space to convenient to use person deposits, has reduced manufacturing cost. And, the utility model provides a box spanner simple structure, the processing production of being convenient for, convenient operation is swift, and is firm to the screw member locking of different specifications, convenient to use.

Drawings

FIG. 1 is a schematic view of a socket wrench according to a first embodiment;

FIG. 2 is a schematic view of the socket wrench of FIG. 1 at another angle;

FIG. 3 is an exploded view of the socket wrench of FIG. 1;

FIG. 4 is a cross-sectional view of the socket wrench of FIG. 1 in a first use condition;

FIG. 5 is a top view of the socket wrench of FIG. 4;

FIG. 6 is a cross-sectional view of the socket wrench of FIG. 1 as it transitions from a first use condition to a second use condition;

FIG. 7 is a top view of the socket wrench of FIG. 6;

FIG. 8 is a cross-sectional view of the socket wrench of FIG. 1 in a second use condition;

FIG. 9 is a top view of the socket wrench of FIG. 8;

FIG. 10 is a schematic view showing the construction of a socket wrench according to a second embodiment;

FIG. 11 is a schematic view showing the construction of a drive ring and an inner diameter adjusting member in the second embodiment;

FIG. 12 is a schematic view of the structure of FIG. 11 from another angle;

FIG. 13 is a schematic view showing the construction of a socket wrench according to a third embodiment;

fig. 14 is a schematic structural view of a seat body in the third embodiment.

100. A socket wrench; 10. a main body; 11. a wrench engaging portion; 111. a wrench joint; 12. a size adjusting section; 121. a nut joint opening; 13. an open slot; 14. an axial stop; 141. a locking groove; 15. a locking pin; 16. a first elastic member; 17. a first collar slot; 20. an adjusting ring; 21. an axial limiting groove; 22. an annular projection; 221. adjusting the groove; 222. a first guide portion; 30. a drive ring; 31. a connecting member; 311. mounting blocks; 312. a fixed block; 313. an insertion block; 32. a slider; 40. an inner diameter adjusting member; 41. mounting grooves; 42. a second guide portion; 43. inserting grooves; 50. a pushing assembly; 51. a second elastic member; 60. a base body; 61. a collar; 62. a second collar slot; 63. an abutment projection; 64. and (4) a thread groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.

It should be noted that when an element is referred to as being "nested" with another element, it can be directly nested with the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 3, fig. 1 is a schematic structural view of a socket wrench 100 according to a first embodiment; FIG. 2 is a schematic view of the socket wrench 100 of FIG. 1 at another angle; fig. 3 is an exploded view of the socket wrench 100 shown in fig. 1.

The utility model provides a socket wrench 100, its hardware tool that is used for revolving to twist narrow and small or sunken position screw member. In the present embodiment, the socket wrench 100 is used to screw a bolt or a nut. It is understood that in other embodiments, the socket wrench 100 may also be used to screw other hardware components.

The specification of traditional box spanner can only be applicable to the screw member of a specification, and in order to adapt to the screw member of different specifications, box spanner is generally sold in the complete set, contains the box spanner of multiple specification. However, the complete set of socket wrench not only wastes the manufacturing materials, but also occupies the storage and transportation space, so that the transportation cost is high, and the storage is not convenient for users.

Based on this, the present application provides a socket wrench 100, which includes a main body 10, an adjusting ring 20, a driving ring 30, and at least two inner diameter adjusting members 40, wherein the main body 10 includes a wrench engaging portion 11 and a size adjusting portion 12 that are oppositely away from each other, the adjusting ring 20 and the driving ring 30 are both sleeved on the main body 10, the at least two inner diameter adjusting members 40 are mutually matched and used for clamping a threaded member, and the main body 10, the adjusting ring 20, the driving ring 30, and the inner diameter adjusting members 40 are mutually matched and can adjust the inner diameter size of a graph formed by the at least two inner diameter adjusting members 40.

The present disclosure is illustrated by the following specific examples. Detailed descriptions of well-known functions and well-known components may be omitted to keep the following description of the embodiments of the present invention clear and concise. When any component of an embodiment of the present invention appears in more than one drawing, that component may be referred to by the same or similar reference numeral in each drawing.

Example one

The wrench engaging portion 11 of the body 10 and the outer peripheral wall of the size adjusting portion 12 are each substantially cylindrical, and the outer diameter of the size adjusting portion 12 is larger than the size of the wrench engaging portion 11. A wrench joint opening 111 is formed in the wrench joint part 11, and the wrench joint opening 111 is used for being jointed with an external hand tool or an electric tool; the size adjusting part 12 is internally provided with a nut joint opening 121, and the nut joint opening 121 is matched with the inner diameter adjusting piece 40 for the joint of the head part of the nut; the peripheral wall of the size adjusting part 12 is further opened with an opening groove 13 for installing the inner diameter adjusting part 40.

The wrench engagement opening 111 is preferably a square cylindrical hole and the nut engagement opening 121 is preferably a regular hexagonal prism type hole. It is understood that the wrench engaging opening 111 or the nut engaging opening 121 may have other shapes as long as the engagement with the external tool or the nut head can be achieved accordingly.

The adjusting ring 20 has a cylindrical outer peripheral wall, the adjusting ring 20 is sleeved on the size adjusting portion 12 of the main body 10, the inner wall of the adjusting ring 20 is provided with at least two adjusting grooves 221, and the two adjusting grooves 221 have different depths along the radial direction of the adjusting ring 20. The adjusting ring 20 is fixed relative to the main body 10 in an axial direction, in a circumferential direction, the adjusting ring 20 being rotatable relative to the main body 10; the adjusting groove 221 can be aligned with the open groove 13 and spliced to form a receiving groove (not numbered) for receiving the inner diameter adjusting piece 40; through the mutual amalgamation of open slot 13 and different regulation recesses 221, can form the storage tank of the different degree of depth, through the cooperation of internal diameter regulating part 40 with the not unidimensional storage tank, can fix the nut of not unidimensional.

The driving ring 30 is approximately cylindrical, the driving ring 30 is sleeved on the adjusting ring 20 and can slide along the axial direction of the adjusting ring 20; the inner wall of the driving ring 30 is convexly provided with a connecting piece 31 for connecting the inner diameter adjusting piece 40, and the connecting piece 31 can drive the inner diameter adjusting piece 40 to slide back and forth along the axis of the adjusting ring 20. Preferably, the outer wall of the drive ring 30 is also convexly provided with anti-slip threads (not numbered).

The inner diameter adjusting members 40 are at least two, and at least two inner diameter adjusting members 40 are engaged with each other and used for clamping the screw. Each inner diameter adjusting piece 40 is strip-shaped, one end of each inner diameter adjusting piece is accommodated in an accommodating groove formed by splicing the adjusting groove 221 and the open groove 13, and the other end of each inner diameter adjusting piece is connected to the connecting piece 31; the inner diameter adjusting part 40 can move towards one side relatively close to the wrench joint part 11 along the axial direction of the adjusting ring 20 under the driving of the connecting part 31, and after the adjusting ring 20 is rotated, the open groove 13 is aligned with the adjusting groove 221 of another different depth and is spliced to form accommodating grooves with different sizes, and the inner diameter adjusting part 40 can be accommodated in the accommodating grooves with different sizes so as to adjust the inner diameter size of a figure formed by enclosing at least two inner diameter adjusting parts 40.

Referring to fig. 4 to 9, fig. 4 is a sectional view of the socket wrench 100 shown in fig. 1 in a first use state; FIG. 5 is a top view of the socket wrench 100 shown in FIG. 4; FIG. 6 is a cross-sectional view of the socket wrench 100 of FIG. 1 as it transitions from a first use condition to a second use condition; FIG. 7 is a top view of the socket wrench 100 shown in FIG. 6; FIG. 8 is a cross-sectional view of the socket wrench 100 of FIG. 1 in a second use condition; fig. 9 is a top view of the socket wrench 100 shown in fig. 8. Note that the arrow direction in fig. 6 and 7 indicates the movement direction of the drive ring 30.

In one embodiment, the socket wrench 100 further comprises a pushing assembly 50, wherein the pushing assembly 50 is connected to the inner diameter adjusting member 40, and the pushing assembly 50 can move the inner diameter adjusting member 40 to an end relatively far away from the wrench engaging portion 11, so that the inner diameter adjusting member 40 can be inserted into receiving grooves with different sizes. It is understood that in other embodiments, the pushing assembly 50 may not be provided, and the inner diameter adjusting member 40 may be inserted into the adjusting groove 221 by manually pushing the driving ring 30, or the inner diameter adjusting member 40 may be inserted into the receiving grooves with different sizes by other common methods.

The use of the socket wrench 100 is: referring to the direction shown in fig. 4, when the user pushes the driving ring 30 downward, the connecting member 31 in the driving ring 30 drives the inner diameter adjusting member 40 to move downward until the inner diameter adjusting member 40 comes out of the adjusting groove 221; at this moment, the adjusting ring 20 is rotated until the open slot 13 is aligned and spliced with the adjusting groove 221 of another different depth, and the inner diameter adjusting part 40 extends into the accommodating grooves of different sizes under the driving of the pushing assembly 50, so that the change of the size of the inner diameter of the figure formed by enclosing the inner diameter adjusting part 40 can be realized, and the threaded parts of different models can be clamped. As shown in fig. 5 and 9, in fig. 5, the inner diameter adjusting member 40 is located in a deeper adjusting groove 221, and the inner diameter of the inner diameter adjusting member 40 enclosed to form a pattern is larger, so that the nut that the socket wrench 100 can actually butt against is larger in size, as shown by the dotted line in fig. 5; when the size is changed, as shown in fig. 9, the inner diameter adjusting member 40 is located in a shallow adjusting groove 221, and the inner diameter of the inner diameter adjusting member 40 surrounded to form a pattern is smaller, so that the size of the nut that the socket wrench 100 can actually abut against becomes smaller, as shown by the dotted line in fig. 9.

It is understood that in other embodiments, the alignment of the open slot 13 and the adjustment grooves 221 with different depths can also be achieved by rotating the driving ring 30, and the inner diameter adjusting part 40 can drive the main body 10 to rotate through the inner wall of the open slot 13, so that the open slot 13 is aligned with the adjustment grooves 221 with different depths, thereby achieving the change of the inner diameter size of the inner diameter that the inner diameter adjusting part 40 encloses to form the figure.

In one embodiment, the open slot 13 is open in the axial direction of the body 10 to better accommodate movement of the inner diameter adjustment member 40.

Since the head of the standard threaded part is mostly hexagonal, in order to be better suitable for the standard threaded part, in one embodiment, the nut engaging opening 121 is a hexagonal cylindrical hole, the number of the open slots 13 is preferably three, the inner diameter adjusting part 40 is the same as the open slots 13, the three open slots 13 are uniformly distributed on the peripheral wall of the size adjusting part 12 and are located at the center of the edge of the hexagonal cylindrical hole, and the standard threaded part can be better adapted to various types of standard threaded parts. It is understood that in other embodiments, the nut engaging opening 121 may have other shapes, the number of the opening grooves 13 and the inner diameter adjusting members 40 may be one, two or more, and the number of the inner diameter adjusting members 40 may be less than the number of the opening grooves 13; as long as the inner diameter of the inner diameter adjusting member 40 can be adjusted.

In order to prevent the axial displacement between the main body 10 and the adjusting ring 20, an axial limit piece 14 is further protruded on the outer peripheral wall of the size adjusting portion 12 of the main body 10; an axial limiting groove 21 is formed in the inner circumferential wall of the adjusting ring 20, and the axial limiting piece 14 can slide in the axial limiting groove 21 and limit the axial displacement generated when the main body 10 and the adjusting ring 20 rotate relatively. It is understood that, in other embodiments, the outer circumferential wall of the size adjustment portion 12 of the main body 10 may be provided with an axial direction limiting groove 21; the adjusting ring 20 has an axial stopper 14 protruding from an inner peripheral wall thereof, as long as axial displacement between the main body 10 and the adjusting ring 20 can be prevented.

In order to make the mutual rotation between the main body 10 and the adjusting ring 20 more flexible, the axial limiting grooves 21 are preferably annular grooves, the axial limiting members 14 are three and uniformly distributed on the circumferential wall of the size adjusting portion 12, and the three axial limiting members 14 are arranged in a common circle. It is understood that in other embodiments, the axial limiting groove 21 may be a plurality of grooves that are co-circular, or may have other shapes as long as the axial limiting member 14 can slide in the axial limiting groove 21.

In order to prevent the adjusting ring 20 from being disengaged from the driving ring 30, the socket wrench 100 further includes a locking pin 15 and a first elastic element 16, a locking groove 141 is formed on the axial limiting element 14, the locking groove 141 is used for accommodating the first elastic element 16 and a part of the locking pin 15, one end of the first elastic element 16 abuts against an inner wall of the locking groove 141, and the other end abuts against an inner wall of the axial limiting groove 21 of the adjusting ring 20 through the locking pin 15. Wherein the first resilient member 16 is in a compressed state and is capable of compressing the adjustment ring 20 onto the drive ring 30 to prevent the adjustment ring 20 from being removed from the drive ring 30. On the other hand, the locking pin 15 can also prevent the axial limiting piece 14 from directly contacting the axial limiting groove 21, and the rotation between the main body 10 and the adjusting ring 20 can be achieved by sliding the locking pin 15 along the inner wall of the axial limiting groove 21, so that the smoothness of the adjusting ring 20 in rotation relative to the main body 10 is improved.

In the present embodiment, the lock pin 15 has a cylindrical shape. It is understood that in other embodiments, the locking pin 15 may be in other forms such as a ball, so long as it can lock the first elastic member 16 and can slide smoothly on the inner wall of the axial limiting groove 21.

One end of the adjusting ring 20 relatively close to the size adjusting part 12 protrudes to the inside of the adjusting ring 20 and forms an annular projection 22, and a plurality of adjusting grooves 221 are opened on the inner peripheral wall of the annular projection 22; in the orientation shown in fig. 4, the inner diameter adjusting part 40 can move downward and leave the adjusting groove 221 under the driving of the driving ring 30, and at this time, the inner diameter adjusting part 40 is located below the annular protrusion 22 and can rotate relative to the lower side of the annular protrusion 22 until the inner diameter adjusting part 40 aligns with another adjusting groove 221, and the inner diameter adjusting part 40 can rise again under the driving of the pushing assembly 50 and is accommodated in the accommodating groove formed by the adjusting groove 221 and the open groove 13. It will be appreciated that in other embodiments, the drive ring 30 can also move the inner diameter adjustment member 40 upward and out of the adjustment groove 221.

In order to allow the inner diameter adjusting piece 40 to smoothly reciprocate in the adjusting recess 221, the annular projection 22 is provided with a first guide portion 222 on a side of the adjusting recess 221 relatively close to the wrench engaging portion 11 (i.e., a lower side of the annular projection 22 in the direction shown in fig. 4), and the first guide portion 222 guides the inner diameter adjusting piece 40 when it moves to the adjusting recess 221, so that the inner diameter adjusting piece 40 smoothly enters the adjusting recess 221. Specifically, in the present embodiment, the first guide portion 222 is a slope; it is understood that in other embodiments, the first guiding portion 222 may have other shapes, such as a concave surface, as long as it can perform a guiding function.

In the present embodiment, the number of the adjustment grooves 221 is nine, and the nine adjustment grooves 221 are uniformly distributed along the circumferential direction of the annular projection 22; the nine adjusting grooves 221 have three different sizes, and the three adjusting grooves 221 of each size are arranged at intervals; the nut engaging openings 121 in the body 10 are hexagonal prism-shaped holes, and the number of the inner diameter adjusting pieces 40 is three. The three inner diameter adjusting pieces 40 can be respectively positioned in the three adjusting grooves 221 with the same size, and the three inner diameter adjusting pieces 40 can be simultaneously replaced into the other three adjusting grooves 221 with the same size so as to adjust the size of the inner diameter of the figure formed by the inner diameter adjusting pieces 40. So set up, the symmetry of internal diameter regulating part 40 is good to it is great with the area of contact of screw, stability is good when centre gripping screw. It is understood that in other embodiments, more than nine or less than nine adjusting grooves 221 may be provided, and each adjusting groove 221 with the same size may be one, two, four or more, as long as the purpose of adjusting the inner diameter size of the inner diameter adjusting member 40 enclosing to form a pattern can be achieved.

In the present application, the three adjusting grooves 221 with different sizes correspond to the common specifications of the three screw members, such as 19mm, 17mm and 15 mm. It is understood that the adjustment groove 221 may correspond to other sizes of screws, such as 1.6mm, 2mm, 2.5mm, 3mm, 4mm, 5mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 27mm, 30mm, 36mm, etc.

In order to facilitate the installation of the inner diameter adjusting member 40 on the connecting member 31, one side of the inner diameter adjusting member 40 relatively close to the wrench joint 11 is provided with an installation groove 41, the connecting member 31 on the inner wall of the driving ring 30 comprises an installation block 311 and fixing blocks 312 fixedly arranged on two sides of the installation block 311, the inner diameter adjusting member 40 can be connected with the installation groove 41 through the clamping of the installation block 311, the inner diameter adjusting member 40 is limited through the fixing blocks 312, and the inner diameter adjusting member 40 is prevented from being disengaged from two sides of the installation block 311. With the arrangement, the inner diameter adjusting piece 40 can be detachably arranged on the connecting piece 31, so that the inner diameter adjusting piece 40 can be conveniently arranged, detached and replaced; and the connection between the inner diameter adjusting piece 40 and the connecting piece 31 is firm, and the inner diameter adjusting piece 40 is not easy to be separated from the connecting piece 31. It is understood that in other embodiments, the inner diameter adjusting member 40 may be provided with a mounting block 311, and the inner wall of the driving ring 30 may be provided with a mounting groove 41, as long as the inner diameter adjusting member 40 and the connecting member 31 can be detachably connected. Of course, the inner diameter adjusting member 40 and the connecting member 31 may be integrally formed, or may be fixedly connected by gluing or the like.

Preferably, the fixing block 312 is L-shaped, and the mounting block 311 and the fixing block 312 are joined together on a side relatively close to the second elastic element 51 to form a plane or a curved surface for the second elastic element 51 to abut against, so that the mounting stability of the second elastic element 51 is improved.

In order to facilitate the inner diameter adjusting member 40 to reciprocate in the receiving groove, in one embodiment, the inner diameter adjusting member 40 is provided with a second guiding portion 42, and the second guiding portion 42 can guide when the inner diameter adjusting member 40 enters the adjusting groove 221 with different sizes. In the present embodiment, the second guide portion 42 is located at an end of the inner diameter adjusting piece 40 relatively close to the driving ring 30 and relatively far from the wrench engaging portion 11, and the second guide portion 42 is a slope. It is understood that in other embodiments, the second guide portion 42 may have other shapes such as a concave surface, as long as it can perform a guiding function.

In the present embodiment, the first guide portion 222 and the second guide portion 42 are provided at the same time, and the guide effect is further improved. It is understood that in other embodiments, the first guide portion 222 and the second guide portion 42 may be alternatively provided, if the guide effect is not considered.

In order to ensure the smoothness of the inner diameter adjusting member 40 during the reciprocating motion, in the present embodiment, the socket wrench 100 further includes a seat 60, the seat 60 is sleeved on the wrench engaging portion 11 of the main body 10, the pushing assembly 50 includes a second elastic member 51, the second elastic member 51 is sleeved on one end of the main body 10 relatively far away from the size adjusting portion 12, one end of the second elastic member 51 abuts against the inner diameter adjusting member 40, and the other end abuts against the seat 60. Wherein the second resilient member 51 is in a compressed state and is capable of applying a force to the inner diameter adjustment member 40 relatively away from the wrench engaging portion. It should be understood that the second elastic element 51 may have one end abutting against the seat 60 and the other end abutting against the end of the wrench engaging portion 11, and other connection manners may be adopted as long as the inner diameter adjusting element 40 can provide a pushing force relatively far away from the wrench engaging portion 11.

In this embodiment, the second elastic member 51 is a cylindrical spring. It is understood that in other embodiments, the second elastic member 51 may be a tower spring, a torsion spring, or other types of springs, and may have other elastic structures as long as the inner diameter adjusting member 40 can provide the pushing force.

In order to make the mounting of the second elastic member 51 more stable, in the present embodiment, the outer diameter of the wrench engaging portion 11 is smaller than the outer diameter of the size adjusting portion 12, and a stepped surface is formed between the wrench engaging portion 11 and the size adjusting portion 12; when the second elastic member 51 is not stressed, one end of the second elastic member 51 abuts against the inner diameter adjusting member 40 and the step surface at the same time, so that the installation stability of the second elastic member 51 in the socket wrench 100 is improved.

In order to further improve the stability of the second elastic member 51 during the telescopic movement, the inner wall of the clamping seat extends towards the inside of the clamping seat and forms an abutting protrusion 63, and the abutting protrusion 63 is used for abutting the second elastic member 51 and providing a supporting force for the second elastic member 51. It is understood that in other embodiments, the second elastic element 51 can also directly abut against the bottom wall of the seat body 60.

In this embodiment, the abutting protrusions 63 are uniformly distributed on the inner wall of the clamping seat in a ring shape. It is understood that in other embodiments, the abutting projection 63 may be disposed in a ring shape as long as it can provide a supporting force for the second elastic member 51.

In order to improve the connection stability between the holder body 60 and the main body 10, the socket wrench 100 further includes a collar 61; the outer peripheral wall of the wrench engaging portion 11 of the main body 10 is formed with a first ring groove 17, the inner peripheral wall of the seat 60 is formed with a second ring groove 62, and the retainer ring 61 can be accommodated in the first ring groove 17 and the second ring groove 62, so that the seat 60 is sleeved and fixedly connected to the wrench engaging portion 11 of the main body 10. With such an arrangement, the seat 60 and the main body 10 are easy to install, and the seat 60 is not easy to be separated from the main body 10, so as to provide a stable supporting force for the second elastic element 51.

To facilitate attachment and detachment replacement of the collar 61, the collar 61 is preferably C-shaped. It will be appreciated that in other embodiments, the collar 61 may be annular or otherwise shaped, so long as it functions as a snap fit.

Example two

At least one embodiment of the present invention provides a socket wrench 100, please refer to fig. 10 to 12, fig. 10 is a schematic structural diagram of the socket wrench 100 according to a second embodiment; FIG. 11 is a schematic structural view of the drive ring 30 and the inner diameter adjusting member 40 in the second embodiment; fig. 12 is a schematic view of the structure of fig. 11 from another angle. Wherein the direction shown in fig. 10 is the direction of movement of the drive ring 30. The socket wrench 100 of this embodiment may have substantially the same structure as the socket wrench 100 of the first embodiment except for the structure and shape of the connecting member 31 and the inner diameter adjusting member 40 of the socket wrench 100.

In the present embodiment, an insertion groove 43 is formed on a side of the inner diameter adjusting piece 40 relatively close to the wrench coupling portion, an insertion block 313 is inwardly protruded on an inner wall of the driving ring 30 to form the connecting piece 31, and the inner diameter adjusting piece 40 is detachably and fixedly mounted on the insertion block 313 through the insertion groove 43 and can reciprocate along with the driving ring 30.

EXAMPLE III

At least one embodiment of the present invention provides a socket wrench 100, please refer to fig. 13 to 14, fig. 13 is a schematic structural diagram of the socket wrench 100 according to a third embodiment; fig. 14 is a schematic structural view of a seat 60 in the third embodiment. The socket wrench 100 of this embodiment may have substantially the same structure as the socket wrench 100 of the first embodiment except for the structure and shape of the housing 60 and the drive ring 30 of the socket wrench 100.

In this embodiment, the second elastic element 51 is omitted, and the pushing element 50 takes the form of a threaded groove 64 cooperating with the sliding block 32: the outer peripheral wall of the seat body 60 is provided with a threaded groove 64, the inner peripheral wall of the drive ring 30 is convexly provided with a sliding block 32, the seat body 60 can rotate relative to the drive ring 30 and drive the sliding block 32 to slide in the threaded groove 64, so that the drive ring 30 can reciprocate along the axial direction of the main body 10.

Example four

At least one embodiment of the present invention provides a socket wrench 100, and the structure of the socket wrench 100 of this embodiment may be substantially the same as the socket wrench 100 of the first embodiment, except that: the inner diameter adjusting member 40 and the driving ring 30 in this embodiment are connected by a snap fit, when the inner diameter of the size adjusting portion 12 is changed, the inner diameter adjusting member 40 is taken out from the accommodating groove, different adjusting grooves 221 are aligned with the opening groove 13, and then the inner diameter adjusting member 40 is accommodated in the accommodating groove after the size is changed and is fixedly connected with the driving ring 30 by the snap fit, thereby changing the inner diameter of the size adjusting portion 12.

The features of the above-described embodiments may be arbitrarily combined, and for the sake of brevity, all possible combinations of the features in the above-described embodiments are not described, but should be construed as being within the scope of the present disclosure as long as there is no contradiction between the combinations of the features.

It will be appreciated by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be taken as limiting the present invention, and that suitable modifications and variations of the above embodiments are within the scope of the invention as claimed.

Claims (10)

1. A socket wrench, comprising:

the wrench comprises a main body (10) and a handle, wherein the main body comprises a wrench joint part (11) and a size adjusting part (12) which are oppositely deviated, and an open slot (13) is formed in the size adjusting part (12);

the adjusting ring (20) is sleeved on the size adjusting part (12), at least two adjusting grooves (221) are formed in the inner wall of the adjusting ring (20), and the two adjusting grooves (221) are different in forming depth along the radial direction of the adjusting ring (20);

a drive ring (30) which is sleeved on the main body (10) and can slide along the axial direction of the main body (10);

at least two inner diameter adjusting pieces (40), wherein one end of each inner diameter adjusting piece (40) is accommodated in an accommodating groove formed by splicing the adjusting groove (221) and the open groove (13), the other end of each inner diameter adjusting piece is connected to the driving ring (30), and the at least two inner diameter adjusting pieces (40) are matched with each other and used for clamping a threaded piece;

the driving ring (30) can slide along the axial direction of the main body (10) and drives the inner diameter adjusting piece (40) to slide out of the adjusting groove (221); the adjusting ring (20) can rotate, so that the open groove (13) is spliced with the adjusting groove (221) with another different depth to form accommodating grooves with different sizes; the inner diameter adjusting pieces (40) can be accommodated in the accommodating grooves with different sizes so as to adjust the size of the inner diameter of a figure formed by enclosing at least two inner diameter adjusting pieces (40).

2. The socket wrench as claimed in claim 1, wherein the socket wrench (100) further comprises a pushing assembly (50), the pushing assembly (50) is connected to the inner diameter adjuster (40), and the pushing assembly (50) can drive the inner diameter adjuster (40) to move to an end away from the wrench engaging portion (11) and drive the inner diameter adjuster (40) to slide into the adjusting groove (221).

3. A socket wrench as claimed in claim 1, wherein one of the outer peripheral wall of the size adjustment portion (12) and the inner peripheral wall of the adjustment ring (20) is provided with an axial limiting groove (21), and the other one is provided with an axial limiting member (14) in a protruding manner, the adjustment ring (20) is rotatable relative to the drive ring (30), and the axial limiting member (14) is slidable in the axial limiting groove (21) and limits the axial displacement when the main body (10) and the adjustment ring (20) rotate relative to each other.

4. The socket wrench as claimed in claim 3, wherein the socket wrench (100) further comprises a locking pin (15) and a first elastic member (16), the axial limiting member (14) has a locking groove (141) formed thereon, the locking groove (141) is used for accommodating the first elastic member (16) and a part of the locking pin (15), one end of the first elastic member (16) abuts against an inner wall of the locking groove (141), and the other end abuts against an inner wall of the axial limiting groove (21) through the locking pin (15).

5. A socket wrench as claimed in claim 1, wherein an end of the adjusting ring (20) relatively close to the size adjusting portion (12) protrudes inward of the adjusting ring (20) and forms an annular projection (22), and at least two of the adjusting grooves (221) open on an inner circumferential wall of the annular projection (22); the annular projection (22) is provided with a first guide part (222) on one side of the adjusting groove (221) relatively close to the wrench engaging part (11), and the first guide part (222) is used for guiding the inner diameter adjusting piece (40) into the adjusting groove (221); and/or the presence of a catalyst in the reaction mixture,

the inner diameter adjusting piece (40) is provided with a second guide portion (42), the second guide portion (42) is an inclined surface formed by one end, close to the size adjusting portion (12), of the inner diameter adjusting piece (40), and the second guide portion (42) is used for guiding the inner diameter adjusting piece (40) to the adjusting groove (221).

6. The socket wrench as claimed in claim 2, wherein the socket wrench (100) further comprises a seat body (60), the seat body (60) is sleeved on the wrench engaging portion (11), the pushing member (50) comprises a second elastic member (51), one end of the second elastic member (51) abuts against the inner diameter adjusting member (40), and the other end abuts against the seat body (60).

7. The socket wrench as claimed in claim 6, wherein the second resilient member (51) is sleeved on the wrench engaging portion (11) and located between the seat (60) and the wrench engaging portion (11).

8. The socket wrench as claimed in claim 1, wherein a mounting groove (41) is formed in one side of the inner diameter adjusting member (40) relatively close to the wrench engaging portion (11), a connecting member (31) is convexly arranged on the inner wall of the driving ring (30), the connecting member (31) comprises a mounting block (311) and fixing blocks (312) fixedly arranged on two sides of the mounting block (311), and the mounting groove (41) is clamped on the mounting block (311) and limited by the two fixing blocks (312), so that the inner diameter adjusting member (40) is detachably mounted on the driving ring (30); and/or the presence of a catalyst in the reaction mixture,

an inserting groove (43) is formed in one side, close to the wrench joint part (11), of the inner diameter adjusting piece (40), an inserting block (313) is arranged on the inner wall of the driving ring (30) in an inward protruding mode to form a connecting piece (31), and the inner diameter adjusting piece (40) is detachably mounted on the driving ring (30) through the inserting connection of the inserting groove (43) and the inserting block (313).

9. A socket wrench as claimed in claim 6, wherein the pushing assembly (50) comprises a threaded groove (64) and a sliding block (32), the threaded groove (64) is opened on the outer peripheral wall of the seat body (60), the sliding block (32) is protruded on the inner peripheral wall of the driving ring (30), the seat body (60) can rotate relative to the driving ring (30) and drives the sliding block (32) to slide in the threaded groove (64), so that the driving ring (30) can reciprocate along the axial direction of the main body (10).

10. The socket wrench as claimed in claim 1, wherein the number of the inner diameter adjusting members (40) is three, three sets of the adjusting grooves (221) having different sizes are formed on the adjusting ring (20), each set includes three adjusting grooves (221) having the same size, and the three adjusting grooves (221) having different sizes are spaced from each other; the driving ring (30) drives the inner diameter adjusting piece (40) to move, and the inner diameter adjusting piece (40) is located in the three adjusting grooves (221) with the same size respectively.

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