CN215037008U

CN215037008U - Multifunctional conversion type sleeve

Info

Publication number: CN215037008U
Application number: CN202120736125.6U
Authority: CN
Inventors: 黄国庆; 黄彦儒
Original assignee: Meishiman Tools Hai'an Co ltd
Current assignee: Meishiman Tools Hai'an Co ltd
Priority date: 2021-04-12
Filing date: 2021-04-12
Publication date: 2021-12-07
Anticipated expiration: 2031-04-12

Abstract

The utility model discloses a multifunctional conversion type sleeve, which comprises a sleeve and a tail rod, wherein a first noncircular operating hole is formed at the inner side of one end of the sleeve, a second noncircular operating hole is formed at the inner side of the other end of the sleeve, the first noncircular operating hole has different specifications from the second noncircular operating hole, and the tail rod can be disassembled and fixedly connected with any end of the sleeve, two noncircular operating holes with different specifications are respectively formed at the two ends of the sleeve for matching with screws or nuts with different specifications, the tail rod can be inserted into the sleeve from any end of the sleeve to be fixedly connected with the sleeve, so that the sleeve is connected with an electric tool, the sleeve can be used for replacing surfaces according to the actual requirements of consumers, the utility model has high universality, convenient use, saves the cost of the sleeve set, has high strength of the whole structure of the sleeve, and can bear higher torsion in the use process, is not easy to deform and damage.

Description

Multifunctional conversion type sleeve

Technical Field

The utility model relates to a hardware and tools, in particular to multi-functional conversion formula sleeve.

Background

Screw or nut etc. are often screwed to sleeve among hardware and tools, because its torsion that can be great and extensively use, common sleeve all is that one end is formed with hexagonal hole or square hole etc. at present, form the spanner structure on the other end or the circumference lateral wall, be used for driving the sleeve and rotate, the structure at sleeve other end integrated into one piece hexagon tail-bar in addition, the tail-bar is connected with electric tool, realize the electric operation sleeve, the sleeve all is the nut or the bolt that a sleeve corresponds a specification when using, when twisting the nut or the bolt of different size specification, need change different sleeves and use, use cost is improved, and the sleeve of too many specifications carries also inconvenient.

SUMMERY OF THE UTILITY MODEL

In order to compensate the above deficiency, the utility model provides a multi-functional conversion formula sleeve, this multi-functional conversion formula sleeve can be suitable for the bolt or the nut of two kinds of different specifications, and the commonality is high, saves the cost, and carries, convenient to use.

The utility model discloses a solve the technical scheme that its technical problem adopted and be: the utility model provides a multi-functional conversion formula sleeve, includes sleeve and tailrod, sleeve one end inboard is formed with first non-circular operation hole, and sleeve other end inboard is formed with second non-circular operation hole, and first non-circular operation hole is different with second non-circular operation hole specification, the tailrod can be dismantled with arbitrary one end fixed connection of sleeve.

As a further improvement, the sleeve inboard is formed with non-circular jack, and the cross section of tail-bar one end is non-circular structure, the sleeve inboard can be inserted from the arbitrary one end of sleeve to tail-bar one end, and tail-bar one end pegs graft with the inboard non-circular jack circumferencial direction locking of sleeve, the sleeve inboard still is equipped with radial recess, is equipped with radial bulge on the tail-bar circumference lateral wall, radial bulge inserts and locates in the inboard radial recess of sleeve.

As the utility model discloses a further improvement, the radial recess of sleeve inboard is for being located the radial recess of annular on the non-circular jack inside wall, is equipped with the ring groove of radial sunken on the tail-bar circumference lateral wall, the ring groove inside callipers is equipped with the jump ring, and the jump ring forms the radial arch on the tail-bar.

As a further improvement, the hexagonal hole of telescopic first non-circular handle hole and second non-circular handle hole for running through the intercommunication, the aperture of first non-circular handle hole is less than the aperture of second non-circular handle hole, and the tail-bar is the hexagonal rod, the tail-bar one end can be followed the inserting of the arbitrary one end circumferencial direction locking of sleeve in the first non-circular handle hole.

As a further improvement, the radial grooves in the sleeve are two arranged at intervals along the axial direction of the sleeve, and the radial bulge on the tail rod can be inserted into any one radial groove.

As a further improvement, the tail rod is provided with a round radial outward protruding retaining wall, the radial outward protruding retaining wall can tightly support the arbitrary end face of the sleeve axial.

As a further improvement, one side of the radial outward convex blocking wall towards the tail rod other end on the tail rod is an arc-shaped surface, and the arc-shaped surface is sequentially connected with the tail rod other end through a round corner surface and a cylindrical surface.

As a further improvement of the utility model, the tail rod other end is a hexagonal rod-shaped structure, and a circle arc-shaped connection concave surface is formed on the circumferential outer side wall of the tail rod.

As a further improvement of the utility model, the non-circular connecting rod end fixing of the tail rod is provided with a magnet.

As a further improvement, the non-circular connecting rod end of the tail rod is provided with an embedding hole extending axially, and the magnet is embedded in the embedding hole.

The utility model has the advantages that: the utility model discloses form the non-circular handle hole of two kinds of different specifications respectively at the sleeve both ends for screw or nut with different specifications match, the tailpiece can follow the arbitrary one end of sleeve and insert in the sleeve with sleeve fixed connection, realize that the sleeve is connected with electric tool, this sleeve can replace the face to use according to consumer's actual demand, and the commonality is high, and convenient to use saves the complete set sleeve cost, just the utility model discloses a sleeve overall structure intensity is high, can bear higher torsion, non-deformable, damage in the use.

Drawings

Fig. 1 is a perspective view of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is a left side view of the present invention;

fig. 4 is a right side view of the present invention;

FIG. 5 is a first usage state diagram of the present invention;

FIG. 6 is a second usage state diagram of the present invention;

FIG. 7 is a front view of the sleeve structure principle of the present invention;

fig. 8 is a left side view of the principle of the sleeve structure of the present invention;

FIG. 9 is a right side view of the sleeve structure principle of the present invention;

FIG. 10 is a front view of the tail rod of the present invention;

fig. 11 is a left side view of the tail rod of the present invention;

fig. 12 is a partial cross-sectional view of the tail rod of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings.

Example (b): the utility model provides a multi-functional conversion formula sleeve 1, includes sleeve 1 and

tailrod

2, 1 one end inboard of sleeve is formed with first

non-circular handle hole

3, and 1 other end inboard of sleeve is formed with second non-circular handle hole 4, and first non-circular handle hole 3 is different with 4 specifications of second non-circular handle hole, tailrod 2 can be dismantled with sleeve 1 arbitrary one end fixed connection.

Form the first non-circular handle hole 3 and the second non-circular handle hole 4 that the specification is different at sleeve 1 both ends, during the use, through being connected tail-bar 2 with sleeve 1 different ends, can realize the change of first non-circular handle hole 3 and second non-circular handle hole 4, can be used for twisting the bolt or the nut of different specifications, the consumer can carry out the substitution according to actual demand in the use, high durability and convenient use, no longer be the bolt or the nut that a sleeve 1 can only be used for a specification, directly halve whole set of sleeve 1 instrument, sleeve 1 cost has effectively been reduced, sleeve 1 price has been reduced, and it is more convenient to use, need not to change different sleeve 1 repeatedly, sleeve 1's commonality has been improved, sleeve 1's use cost has been reduced.

The utility model discloses a sleeve, including sleeve 1, tail-bar 2, sleeve 1 inboard is formed with the non-circular jack, and the cross section of 2 one ends of tail-bar is the non-circular structure, 1 inboard of sleeve can be inserted from 1 arbitrary one end of sleeve to 2 one ends of tail-bar, and 2 one ends of tail-bar and the inboard non-circular jack circumferencial direction locking grafting of sleeve, 1 inboard of sleeve still is equipped with radial recess 5, is equipped with radial arch on 2 circumference lateral walls of tail-bar, radial arch is inserted and is located in 1 inboard radial recess 5 of sleeve. Tail rod 2 pegs graft through the non-circular structure and the non-circular jack in the sleeve 1, realize circumferencial direction locking location, radial protrusion on through tail rod 2 is radially pegging graft with radial recess 5 on the sleeve 1, realize tail rod 2 and sleeve 1 axial locking location, and then realized sleeve 1 and tail rod 2's fixed connection, this kind of connection structure is simple, convenient dismantlement, in addition, the two also can adopt pin or other connecting piece detachable fixed connection, this for the equivalent alternative structure that technical staff in the field thought very easily according to this patent, belong to this patent protection scope.

Radial recess 5 of 1 inboard of sleeve is for being located the radial recess 5 of annular on the non-circular jack inside wall, is equipped with radial sunken ring groove 6 on the 2 circumference lateral walls of tail-stock, 6 inside callipers of ring groove are equipped with jump ring 7, and jump ring 7 forms the radial arch on the tail-stock 2. The tail rod 2 is embedded with the snap spring 7 to form a radial protrusion, so that the processing and the manufacturing are convenient, the production cost is low, the assembly is convenient, the snap spring 7 has elasticity, the installation and the disassembly are convenient, in addition, the radial protrusion can also be integrally formed on the tail rod 2, or a steel ball is embedded on the tail rod 2, and the like, so that the tail rod is an equivalent replacement structure which can be easily thought by a person skilled in the art according to the patent, and the tail rod belongs to the protection scope of the patent.

The first noncircular operation hole 3 and the second noncircular operation hole 4 of the sleeve 1 are hexagonal holes penetrating and communicating with each other, the aperture of the first noncircular operation hole 3 is smaller than that of the second noncircular operation hole 4, the tail rod 2 is a hexagonal rod, and one end of the tail rod 2 can be inserted into the first noncircular operation hole 3 in a locking manner along the circumferential direction of any end of the sleeve 1. First non-circular handle hole 3 has the effect of non-circular jack simultaneously, both can be used to and bolt or nut match, can be used for installing tail-rod 2 again, has effectively simplified sleeve 1 structure, the 1 processing preparation of sleeve of being convenient for.

The two radial grooves 5 in the sleeve 1 are arranged at intervals along the axial direction of the sleeve 1, and the radial bulge on the tail rod 2 can be inserted into any one radial groove 5. When the tail rod 2 is inserted into the sleeve 1 in different directions, the radial protrusions on the tail rod are inserted into different radial grooves 5, so that the first noncircular operating hole 3 and the second noncircular operating hole 4 for screwing bolts or nuts are guaranteed to be consistent in depth in a use state.

A circle of radial outward convex retaining wall 8 is formed on the tail rod 2, and the radial outward convex retaining wall 8 can tightly abut against the end face of any axial end of the sleeve 1. The end face of the tail rod 2 is tightly attached to the end face of the sleeve 1 through the convex baffle wall, so that the connection strength of the tail rod 2 and the sleeve 1 is effectively enhanced, and the tail rod 2 is not easy to deform or break when being subjected to impact force and torsion.

One side of the radial outward convex baffle wall 8 on the tail rod 2, which faces the other end of the tail rod 2, is an arc-shaped surface, and the arc-shaped surface is sequentially connected with the other end of the tail rod 2 through a round corner surface 9 and a cylindrical surface 10. The arc surface, the round corner surface 9 and the cylindrical surface 10 are gradually transited and connected with the non-round surface at the other end of the tail rod 2, so that the internal stress of the tail rod 2 is reduced, and the strength of the tail rod 2 is improved.

The other end of the tail rod 2 is of a hexagonal rod-shaped structure, and a circle of arc-shaped connecting concave surface 11 is formed on the circumferential outer side wall of the tail rod. The structure is used for connecting with an electric tool.

And a magnet 12 is fixedly arranged at the end part of the non-circular connecting rod of the tail rod 2. The magnet 12 can magnetically attract the head of the bolt and the nut when the sleeve 1 is screwed on the bolt or the nut, so that the bolt and the nut are prevented from falling off after being screwed off, and the operation safety is improved.

The end part of the non-circular connecting rod of the tail rod 2 is provided with an embedding hole 13 extending axially, and the magnet 12 is embedded in the embedding hole 13.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. A multi-functional conversion formula sleeve which characterized in that: including sleeve (1) and tailrod (2), sleeve one end inboard is formed with first non-circular handle hole (3), and sleeve other end inboard is formed with second non-circular handle hole (4), and first non-circular handle hole is different with second non-circular handle hole specification, tailrod can be dismantled with arbitrary one end fixed connection of sleeve.

2. The multi-function convertible sleeve of claim 1 wherein: the sleeve inboard is formed with the non-circular jack, and the cross section of tailrod one end is non-circular structure, the sleeve inboard can be inserted from the arbitrary one end of sleeve to tailrod one end, and tailrod one end and the inboard non-circular jack circumferencial direction locking of sleeve are pegged graft, the sleeve inboard still is equipped with radial recess (5), is equipped with radial arch on the tailrod circumference lateral wall, radial arch is inserted and is located in the inboard radial recess of sleeve.

3. The multi-function convertible sleeve of claim 2 wherein: the radial recess of sleeve inboard is the annular radial recess that is located on the non-circular jack inside wall, is equipped with radial sunken ring groove (6) on the tailpiece circumference lateral wall, the ring groove inside callipers is equipped with jump ring (7), and the jump ring forms the radial arch on the tailpiece.

4. The multi-function convertible sleeve of claim 3 wherein: the first noncircular operating hole and the second noncircular operating hole of the sleeve are hexagonal holes penetrating and communicating, the aperture of the first noncircular operating hole is smaller than that of the second noncircular operating hole, the tail rod is a hexagonal rod, and one end of the tail rod can be inserted into the first noncircular operating hole in a locking mode in the circumferential direction of any end of the sleeve.

5. The multifunctional convertible sleeve of claim 2 or 4, wherein: the two radial grooves in the sleeve are arranged at intervals along the axial direction of the sleeve, and the radial bulge on the tail rod can be inserted into any one radial groove.

6. The multi-function convertible sleeve of claim 2 wherein: a circle of radial outward convex retaining wall (8) is formed on the tail rod, and the radial outward convex retaining wall can tightly abut against the end face of any end of the sleeve in the axial direction.

7. The multi-functional convertible sleeve of claim 6 wherein: one side of the radial outward convex blocking wall on the tail rod, which faces the other end of the tail rod, is an arc-shaped surface, and the arc-shaped surface is sequentially connected with the other end of the tail rod through a round corner surface (9) and a cylindrical surface (10).

8. The multi-function convertible sleeve of claim 7 wherein: the other end of the tail rod is of a hexagonal rod-shaped structure, and a circle of arc-shaped connecting concave surface (11) is formed on the outer side wall of the circumference of the tail rod.

9. The multi-function convertible sleeve of claim 2 wherein: and a magnet (12) is fixedly arranged at the end part of the non-circular connecting rod of the tail rod.

10. The multi-function convertible sleeve of claim 9 wherein: the end part of the non-circular connecting rod of the tail rod is provided with an embedding hole (13) which extends axially, and the magnet is embedded in the embedding hole.