CN209868415U

CN209868415U - Sleeve connecting rod

Info

Publication number: CN209868415U
Application number: CN201920465182.8U
Authority: CN
Inventors: 王维法
Original assignee: HANGZHOU HUAFENG BIG ARROW TOOLS Co Ltd
Current assignee: HANGZHOU HUAFENG BIG ARROW TOOLS Co Ltd
Priority date: 2019-04-08
Filing date: 2019-04-08
Publication date: 2019-12-31
Anticipated expiration: 2029-04-08

Abstract

The utility model discloses a socket joint rod, which is used as an accessory in a socket wrench corresponding to specification standards, and comprises a square tenon part, a rod body and a socket hole part, wherein the columnar structure of the square tenon part is the same as the transmission square tenon structure in the socket wrench corresponding to the specification, the rod body is cylindrical, the center of the socket hole part is provided with a socket hole matched with the square tenon structure, the outer surface of the socket hole part is of a square column structure, the size of the square column structure is matched with the socket in the socket wrench of another specification above the socket wrench corresponding to the specification, the outer surface of the socket hole part of the socket joint rod is of the square column structure, the socket joint rod can be prevented from rolling and sliding during use, the use reliability and safety of the socket joint rod are improved, the square column structure can be matched with the socket in the socket wrench of another specification, and the square tenon structure is convenient for the insertion and twisting of a common fixed wrench, effectively enlarge the application range of the sleeve extension rod.

Description

Sleeve connecting rod

Technical Field

The utility model relates to a hand tool especially involves a different specification box spanner of adaptation, places firm box and connects pole.

Background

The sleeve is in a cylindrical shape and is a special tool for common production, maintenance and life as a part of the wrench, the sleeve is provided with a quadrangular hole, a hexagonal hole or a dodecagonal hole and can correspond to a bolt or a nut with corresponding specification and be matched with accessories such as a handle, a connecting rod and the like, is particularly suitable for screwing bolts or nuts in very narrow places or deep recesses, the sleeve extension rod is used as an accessory of a sleeve wrench and can be used for screwing bolts or nuts in deeper positions, because the existing sleeve connecting rod is only suitable for the wrench and the sleeve with the same specification, if the existing sleeve connecting rod meets the condition that the sleeve with different specifications or lacks the wrench, the situation of unable use or inconvenient use can be caused, and meanwhile, the existing sleeve connecting rod is cylindrical, when the sleeve connecting rod is placed or used in a complicated and severe working environment or on the surface of an uneven workpiece, the sleeve connecting rod is easy to roll or slide, so that the sleeve connecting rod falls or is lost, and the use safety and the working efficiency are reduced.

SUMMERY OF THE UTILITY MODEL

The utility model mainly solves the defects; the socket connecting rod is adaptable to socket wrenches of different specifications and stable in placement.

In order to solve the technical problem, the utility model mainly adopts the following technical proposal:

the utility model discloses a socket connecting rod, as an annex in the corresponding specification standard socket spanner, standard socket spanner includes G1/4 specification, G3/8 specification, G1/2 specification, G3/4 specification and G1 specification, socket connecting rod includes square tenon portion, the body of rod and the portion of cup jointing that interconnects and be integrative structure, the columnar structure of square tenon portion is the same with the transmission square tenon structure in the corresponding specification socket spanner, the columnar structure surface of above-mentioned square tenon portion is inlayed and is equipped with the ball, the body of rod is cylindric, the central authorities of the portion of cup jointing are equipped with the socket joint hole of four square hole forms, the socket joint hole size and the columnar structure looks adaptation of above-mentioned square tenon portion, the surface of the portion of cup jointing is equipped with the plane of four symmetries forms four square column structures, the inner of above-mentioned plane extends and connects to the cylinder surface of above-mentioned body of rod, the square column structure size corresponds the sleeve transmission square hole looks adaptation in another specification box spanner on the specification box spanner with the aforesaid, cup joints the surface of hole portion and personally submits the square column structure, both can effectively prevent the roll and the slip of sleeve extension pole when using, improves the reliability and the security that the sleeve extension pole used, but also the square column structure corresponds the sleeve in another specification box spanner on the specification, the square tenon portion columnar structure of sleeve extension pole also is convenient for ordinary fixed spanner's the inserting of twisting, has effectively enlarged the application range that the sleeve extension pole.

Preferably, the plane of the square column structure on the outer surface of the sleeve hole part corresponds to and is parallel to the inner wall surface of the sleeve hole one by one, the corner of the square column structure is arc-shaped, and the inner end of the arc extends and is connected to the surface of the cylinder of the rod body, so that the appearance attractiveness and the service life of the sleeve are improved, and the machinability of the product is improved.

Preferably, four inner wall surfaces of the sleeve joint hole are provided with concave holes, the four concave holes have the same depth from the bottom of the sleeve joint hole, the concave holes are matched with the transmission square tenon positioning balls in the corresponding specification sleeve spanner and contain the positioning balls, the concave holes are used for embedding and positioning the transmission square tenon positioning balls, the transmission square tenon is not easy to slide out during operation, and the working efficiency and the use safety are improved.

Preferably, the cylindrical R-shaped arc grooves are formed in four inner corners of the sleeve joint hole, the radian of the corner of the transmission square tenon in the sleeve joint hole is matched with that of the corner of the transmission square tenon in the corresponding specification, the four corners of the transmission square tenon fall into the R-shaped arc grooves and are not in contact with the inner wall of the sleeve joint hole, and during operation, the torque of the transmission square tenon is integrally transmitted to the inner wall of the sleeve joint hole through the side wall of the transmission square tenon, so that extrusion abrasion of the corner of the transmission square tenon which is weak in stress is avoided, and the service life of the transmission square tenon is prolonged.

Preferably, the center of the end face of the rear end of the sleeving hole is provided with an arc-shaped recess, so that the appearance is improved, and the insertion of the transmission square tenon can be guided.

Preferably, the plane of the square column structure on the outer surface of the sleeve hole part corresponds to and is parallel to the plane of the column structure of the square tenon part.

Preferably, the plane of the square column structure on the outer surface of the sleeve hole part corresponds to the plane of the column structure of the square tenon part one by one, and the two corresponding planes are in a deflection shape and form a deflection angle, so that the twisting of an operator is facilitated.

Preferably, one plane of the square column structure on the outer surface of the sleeve hole part is provided with a clamping part, the clamping part is matched with a concave hole in a sleeve transmission square hole in the sleeve wrench with the other specification, and the sleeve connecting rod is used as a transmission square tenon, so that the sleeve connecting rod is accurate and stable in embedding and positioning, is not easy to slide out during operation, and improves the working efficiency and the use safety.

Preferably, the middle part of the rod body is provided with a knurl, so that an operator can conveniently hold the rod body.

The utility model has the advantages that: the outer surface of the sleeve joint hole part is of a square column structure, so that rolling and sliding of the sleeve connecting rod can be effectively prevented when the sleeve connecting rod is used, the use reliability and safety of the sleeve connecting rod are improved, the square column structure can be matched with a sleeve in a sleeve wrench of another specification above a corresponding specification, the square tenon column structure of the sleeve connecting rod is convenient for an ordinary fixed wrench to insert and twist, and the use range of the sleeve connecting rod is effectively enlarged.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is another schematic structural diagram of the present invention.

Fig. 3 is a schematic view of another structure of the present invention.

In the figure, 1, a square tenon part, 2, a rod body, 3, a sleeving hole part, 4, a ball, 5, a sleeving hole, 6, a concave hole, 7, an R-shaped arc groove, 8, an arc-shaped recess, 9, a clamping piece and 10 are knurled.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.

Example 1: a socket joint rod of embodiment 1, as an accessory in a socket wrench of G3/8 specification, as shown in fig. 1, the socket joint rod includes a square tenon 1, a rod 2 and a socket hole 3, which are connected to each other to form an integral structure, the column structure of the square tenon is the same as the transmission square tenon structure in the socket wrench of G3/8 specification, a ball 4 is embedded in a plane of the square tenon of the column structure, the rod is cylindrical, a knurl 10 is designed in the middle of the rod, a socket hole 5 with a square hole is designed in the center of the socket hole, the size of the socket hole is matched with the column structure of the square tenon, R-shaped circular arc grooves 7 are designed on four sides of the socket hole, the R-shaped circular arc grooves are matched with the corners of the transmission square tenon in the socket wrench of G3/8 specification, four corners of the transmission square tenon are located in the R-shaped circular arc grooves and do not contact with the inner wall of the socket hole, four inner wall surfaces of the sleeve joint hole are all provided with concave holes 6, the depth of the four concave holes from the bottom of the sleeve joint hole is the same, the positions of the concave holes are matched with the positions of the positioning balls of the transmission square tenon in the G3/8 specification sleeve spanner and are used for containing the positioning balls, the center of the end surface of the sleeve joint hole is provided with an arc-shaped recess 8, the outer surface of the sleeve joint hole part is provided with four symmetrical planes and forms a square column structure, the size of the square column structure is matched with the sleeve transmission square hole in the standard G3/4 specification sleeve spanner and can be inserted into the sleeve transmission square hole, the edge of the square column structure is arc-shaped, the arc at the corner and the inner end of the plane of the square column structure extend and are connected to the surface of the cylinder of the rod body, the planes are in one-to-one correspondence and parallel with the inner wall surface of the sleeve joint hole and in one-to-one correspondence and parallel with the planes of the square tenon part columnar structures.

When the wrench is used in narrow places, according to the specification of a bolt or a nut to be twisted, a corresponding sleeve in the G3/8 specification sleeve wrench is selected, the square tenon part of the sleeve connecting rod is inserted into the transmission square hole of the corresponding sleeve, the ball of the square tenon part is compressed and retracted under the action of the inner wall of the transmission square hole in the insertion process, when the ball is inserted in place, the ball slides into the concave hole and pops out, the square tenon part of the sleeve connecting rod is clamped in the sleeve transmission square hole, then the transmission square tenon of the sleeve wrench is inserted into the sleeve hole of the sleeve connecting rod, the positioning ball on the transmission square tenon slides into the concave hole in the sleeve hole and pops out, the transmission square tenon is clamped in the sleeve hole, the bolt or the nut can be screwed or loosened by rotating the wrench, when the wrench is operated, the torque of the transmission square tenon is completely transmitted to the inner wall of the sleeve hole through the whole side wall of the transmission square tenon, and the corner of the transmission square, the service life of the transmission square tenon is prolonged, when a corresponding socket in a socket spanner of another specification, such as a socket spanner of G3/4 specification, is used, the square column structure on the outer surface of the socket hole part of the socket connecting rod of G3/8 specification is inserted into the corresponding socket transmission square hole in the socket spanner of G3/4 specification, then a common fixed spanner is inserted into the square tenon part of the socket connecting rod, the fixed spanner is rotated, and a bolt or a nut is screwed or loosened, at the moment, the socket connecting rod is used as the transmission square tenon in the socket spanner of G3/4 specification, and the application range of the socket connecting rod is enlarged.

Example 2: the socket connecting rod of this embodiment 2, as an accessory in a socket wrench of G3/8 specification, as shown in fig. 2, includes a square tenon portion, a rod body, and a socket hole portion that are connected to each other to form an integral structure, a plane of a square column structure on an outer surface of the socket hole portion corresponds to a plane of a column structure of the square tenon portion one to one, the two corresponding planes are in a deflection shape and form a deflection angle of 15 °, and a certain deflection angle is convenient for placing and screwing a wrench in a narrow working environment, and other portions of this embodiment 2 are similar to those of embodiment 1, and are not described herein again.

Example 3: a socket joint rod of this embodiment 3, as an accessory in a socket wrench of G3/8 specification, as shown in fig. 3, the socket joint rod includes a square tenon portion, a rod body, and a socket hole portion that are connected to each other to form an integral structure, a detent 9 is embedded on one of the planes of the square column structure on the outer surface of the socket hole portion, the detent is matched with a concave hole in a socket transmission square hole in a socket wrench of G3/4 specification, and other portions of this embodiment 3 are similar to corresponding portions of embodiments 1 and 2, and are not described herein again.

In the description of the present invention, the technical terms "upper", "lower", "front", "rear", "left", "right", "longitudinal", "horizontal", "inner", "outer" and the like indicate the direction or the position relationship based on the direction or the position relationship shown in the drawings, and the technical solution of the present invention is only for the convenience of description and understanding, and the above description is not limiting to the present invention, the present invention is not limited to the above description, and the changes, modifications, additions or replacements made by the ordinary skilled in the art within the essential scope of the present invention should be regarded as the protection scope of the present invention.

Claims

1. A box spanner as an accessory in a corresponding specification standard box spanner, said standard box spanner comprising G1/4 specification, G3/8 specification, G1/2 specification, G3/4 specification and G1 specification, characterized in that: the socket connects pole and includes that interconnect is square tenon portion (1), the body of rod (2) and the socket joint hole portion (3) of an organic whole structure, the columnar structure of square tenon portion is the same with the transmission square tenon structure among the above-mentioned specification box spanner that corresponds, and the columnar structure surface of above-mentioned square tenon portion inlays and is equipped with ball (4), the body of rod is cylindricly, the central authorities that cup joint the hole portion are equipped with four square hole form cup joint hole (5), cup joint hole size and the columnar structure looks adaptation of above-mentioned square tenon portion, the surface that cup joints the hole portion is equipped with the plane of four symmetries forms and constitutes four square column structure, the cylinder surface of above-mentioned body of rod is extended and connected to the inner of above-mentioned plane, four square column structure size corresponds the sleeve transmission square hole looks adaptation among another specification box spanner on the specification box.

2. A box extension bar as claimed in claim 1, wherein: the plane of the square column structure on the outer surface of the sleeve joint hole part (3) corresponds to the inner wall surface of the sleeve joint hole (5) in a one-to-one mode and is parallel to the inner wall surface of the sleeve joint hole, the corner of the square column structure is arc-shaped, and the inner end of the arc extends and is connected to the surface of the cylinder of the rod body (2).

3. A box extension rod according to claim 1 or 2, wherein: all be equipped with shrinkage pool (6) on four internal faces of cup jointing hole (5), four shrinkage pools are the same from the depth of cup jointing hole bottom, and the shrinkage pool is identical with the transmission square tenon location ball among the above-mentioned specification box spanner that corresponds and holds this location ball.

4. A box extension bar as claimed in claim 3, wherein: four inner corners of the sleeve joint hole (5) are provided with columnar R-shaped arc grooves (7), and the radian of the R-shaped arc grooves is matched with that of the corner of the transmission square tenon in the corresponding specification sleeve wrench.

5. The extension rod for socket of claim 4, wherein: the center of the end face of the sleeving hole (5) is provided with an arc-shaped recess (8).

6. A box extension bar as claimed in claim 1, wherein: the plane of the square column structure on the outer surface of the sleeve joint hole part (3) corresponds to the plane of the column structure of the square tenon part (1) one by one and is parallel to the plane of the column structure of the square tenon part.

7. A box extension bar as claimed in claim 1, wherein: the plane of the square column structure on the outer surface of the sleeve hole part (3) corresponds to the plane of the column structure of the square tenon part (1) one by one, and the two corresponding planes are in deflection shapes and form deflection angles.

8. A box extension rod according to claim 6 or 7, wherein: one plane of the square column structure on the outer surface of the sleeve hole part (3) is provided with a clamping piece (9), and the clamping piece is matched with the concave hole in the sleeve transmission square hole in the sleeve wrench with the other specification.

9. A box extension bar as claimed in claim 1, wherein: the middle part of the rod body (2) is provided with a knurl (10).