CN215548244U - Assembled spanner that has flexible function - Google Patents

Abstract

The utility model relates to the technical field of wrenches, in particular to an assembled wrench with a telescopic function, which comprises a wrench head part, wherein the wrench head part is provided with a screw tube through a positioning mechanism, the outside of the screw tube is slidably sleeved with a sliding pipe fitting, the inner wall of the sliding pipe fitting is provided with a plurality of sliding grooves, the outside of the screw tube is provided with a plurality of strip limiting blocks through screws, the strip limiting blocks are slidably arranged inside the sliding grooves, and one end of the screw tube is in threaded connection with a screw rod. According to the utility model, the screw pipe, the screw rod, the sliding pipe fitting and the rotating block are arranged, the rotating block drives the screw rod to rotate in the screw pipe through applying torque to the rotating block, the rotating block conveniently drives the sliding pipe fitting to slide outside the screw pipe through the sliding limiting mechanism, the length between the screw pipe and the sliding pipe fitting is conveniently adjusted, the adjustment is carried out according to the distance between a worker and a nut, and the length size of the wrench is conveniently adjusted.

Description

Assembled spanner that has flexible function

Technical Field

The utility model relates to the technical field of wrenches, in particular to an assembled wrench with a telescopic function.

Background

The wrench is generally provided with an opening or a trepan for holding the bolt or the nut at one end or both ends of the handle portion, and when the wrench is used, the bolt or the nut can be screwed by applying an external force to the handle portion along the rotation direction of the thread. Because the size of bolt or nut is different, the size of required spanner is also different, because among the prior art, the head of spanner can't be changed and the fixed unable regulation of length size of spanner, consequently, when dismantling different types or different bolts or nuts of position distance, can prepare the spanner of more not unidimensional and length, the in-process weight that carries like this is heavier, and is inconvenient to carry, and then has reduced work efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides an assembled wrench with a telescopic function.

In order to achieve the above purposes, the technical scheme adopted by the utility model is as follows: the utility model provides an assembled spanner that has flexible function, includes the spanner head, the screwed pipe is installed through positioning mechanism to the spanner head, the outside slip cover of screwed pipe is equipped with the slip pipe fitting, many spouts have been seted up to the inner wall of slip pipe fitting, there are a plurality of rectangular stoppers in the outside of screwed pipe through the mounting screw, rectangular stopper slidable mounting is in the inside of spout, the one end screw thread of screwed pipe is pegged graft and is had the screw rod, the one end of screw rod is passed the slip pipe fitting and is extended to its outside, the one end welding of screw rod has the turning block, be equipped with slip stop gear between turning block and the slip pipe fitting.

Preferably, the sliding limiting mechanism comprises two first circular ring pieces and a plurality of connecting pieces, the two first circular ring pieces are fixedly sleeved outside the sliding pipe fitting, the two first circular ring pieces are symmetrically arranged, one ends of the connecting pieces are mounted on the side face of the rotating block through screws, and the other ends of the connecting pieces extend to a position between the two first circular ring pieces.

Preferably, the connecting pieces are in a concave shape, and at least three connecting pieces are arranged at equal angles.

Preferably, the positioning mechanism comprises a sleeve and a plurality of limit blocks, the limit blocks are arranged at the end part of the wrench head through screws, the sleeve is arranged at one end of the solenoid through a screw, a plurality of jacks are arranged at the end part of the sleeve, the wrench head is placed in the sleeve, the limiting block is inserted in the jack, a plurality of screw holes are formed in the side face of the sleeve, the screw holes are formed in the screw holes, the screw bolts are inserted into the screw holes in a threaded mode, the screw bolts are multiple, one end of each screw bolt is in surface contact with the wrench head, the limiting parts are sleeved on the surfaces of the screw bolts in a sliding mode, the limiting parts are multiple, one ends of the limiting parts are bent and arranged and are in contact with the end portions of the wrench head, fastening nuts are sleeved on the surface threads of the screw bolts in a buckling mode, the end portions of the fastening nuts are in contact with the side faces of the limiting parts respectively, and the other side faces of the limiting parts are in contact with the outside of the sleeve.

Preferably, the number of the studs is at least two, and the two studs are symmetrically arranged.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, by arranging the solenoid, the screw rod, the sliding pipe fitting and the rotating block, the rotating block drives the screw rod to rotate in the internal thread of the solenoid by applying torque to the rotating block, so that the rotating block can drive the sliding pipe fitting to slide outside the solenoid through the sliding limiting mechanism, the length between the solenoid and the sliding pipe fitting can be conveniently adjusted, the adjustment can be carried out according to the distance between a worker and a nut, and the length size of the wrench can be conveniently adjusted;

according to the utility model, by arranging the positioning mechanism, when the wrench heads with different sizes need to be replaced, the wrench heads with different sizes are placed in the sleeve, the plurality of studs are adjusted according to the gap between the sleeve and the wrench head, the plurality of studs are clamped around the wrench head and used for fixing the position of the wrench head, meanwhile, the limiting block on the wrench head is inserted in the jack, the limiting block is contacted with the end part of the wrench head, the limiting effect on the wrench head is further achieved, and the stability of the wrench head when the nut or the bolt is rotated is improved.

Drawings

FIG. 1 is an isometric view of an assembled telescopic wrench of the present invention;

FIG. 2 is a schematic diagram of a structure of a stop block and a sleeve of the assembled wrench with a telescopic function according to the present invention;

FIG. 3 is a schematic view of a sliding pipe of the assembled wrench with telescopic function according to the present invention;

FIG. 4 is a schematic view of a socket and a stud of the assembled telescopic wrench according to the present invention;

FIG. 5 is a schematic structural view of a sliding position-limiting mechanism of an assembled telescopic wrench according to the present invention;

fig. 6 is a schematic view of a connection structure of a screw tube and a screw rod of an assembled wrench with a telescopic function according to the present invention.

In the figure: the wrench comprises a limiting part 1, a long limiting block 2, a first circular ring part 3, a connecting piece 4, a rotating block 5, a sliding pipe fitting 6, a screw pipe 7, a limiting block 8, a sleeve 9, a wrench head 10, a sliding groove 11, a stud 12, a jack 13, a screw 14 and a fastening nut 15.

Detailed Description

The following description is presented to disclose the utility model so as to enable any person skilled in the art to practice the utility model. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

As shown in fig. 1-6, an assembled wrench with telescopic function comprises a wrench head 10, a screw tube 7 installed on the wrench head 10 through a positioning mechanism, the positioning mechanism including a sleeve 9 and a plurality of stoppers 8, the plurality of stoppers 8 installed on an end of the wrench head 10 through screws, the sleeve 9 installed on one end of the screw tube 7 through screws, a plurality of insertion holes 13 opened on an end of the sleeve 9, the wrench head 10 placed inside the sleeve 9, the stoppers 8 inserted inside the insertion holes 13, a plurality of screw holes opened on a side surface of the sleeve 9, a plurality of screw bolts 12 inserted inside the screw holes, one ends of the plurality of screw bolts 12 contacting with a surface of the wrench head 10, a stopper 1 slidably fitted on a surface of the plurality of screw bolts 12, one ends of the plurality of stoppers 1 bent and arranged and contacting with an end of the wrench head 10, a surface screw fastening nut 15 fitted on the plurality of screw bolts 12, the end portions of the fastening nuts 15 are in contact with the side surfaces of the limiting members 1, respectively, and the other side surfaces of the limiting members 1 are in contact with the outside of the sleeve 9. At least two studs 12 are arranged, and the two studs 12 are symmetrically arranged. When the wrench head 10 needs to be replaced, the plurality of studs 12 are rotated to be moved out of the screw holes, the wrench head 10 to be replaced is placed inside the sleeve 9, then the plurality of studs 12 are rotated to move in the screw holes, one ends of the plurality of studs 12 are in close contact with the side surface of the wrench head 10, the position of the wrench head 10 is fixed, and the stability of the wrench head 10 in the sleeve 9 is improved. Then, after the plurality of limiting members 1 are respectively sleeved on the surfaces of the plurality of studs 12, the bending ends of the plurality of limiting members 1 are contacted with the end of the wrench head 10, so as to limit the position of the wrench head 10, and improve the stability of the wrench head 10 in the sleeve 9. The setting of stopper 8 and jack 13 places the inside back at sleeve 9 at spanner head 10, and stopper 8 is pegged graft in the inside of jack 13, is convenient for play spacing effect to spanner head 10 for promote spanner head 10 and rotate bolt or nut.

The outside slip cover of screwed pipe 7 is equipped with slip pipe fitting 6, many spouts 11 have been seted up to the inner wall of slip pipe fitting 6, there are a plurality of rectangular stoppers 2 outside of screwed pipe 7 through the mounting screw, 2 slidable mounting of rectangular stoppers are in the inside of spout 11, one end screw thread grafting of screwed pipe 7 has screw rod 14, the one end of screw rod 14 is passed slip pipe fitting 6 and is extended to its outside, the one end welding of screw rod 14 has turning block 5, be equipped with the slip stop gear between turning block 5 and the slip pipe fitting 6. The sliding limiting mechanism comprises two first circular ring pieces 3 and a plurality of connecting pieces 4, the two first circular ring pieces 3 are fixedly sleeved outside the sliding pipe fitting 6, the two first circular ring pieces 3 are symmetrically arranged, one ends of the connecting pieces 4 are mounted on the side face of the rotating block 5 through screws, and the other ends of the connecting pieces 4 extend to the space between the two first circular ring pieces 3. The connecting pieces 4 are in a concave shape, and at least three connecting pieces 4 are arranged, wherein the three connecting pieces 4 are arranged at equal angles. When the distance between the wrench and the bolt or the nut is adjusted, torque force is applied to the rotating block 5, the rotating block 5 drives the screw 14 to rotate in the screw tube 7 through internal threads, the distance between the screw tube 7 and the screw 14 is adjusted, the screw 14 drives the rotating block 5 to move synchronously, the rotating block 5 drives the connecting piece 4 to rotate between the two first ring pieces 3, meanwhile, the rotating block 5 pushes or pulls one of the first ring pieces 3, and the first ring piece 3 drives the sliding pipe piece 6 to slide outside the screw tube 7, so that the length size of the wrench is convenient to adjust. After the adjustment is completed, the stability of the threaded connection between the threaded tube 7 and the threaded rod 14 improves the stability of the length between the sliding tube 6 and the threaded tube 7 by simply removing the force applied to the rotating block 5. When using this spanner to rotate bolt or nut, only need to rotate slip pipe fitting 6, slip pipe fitting 6 drives solenoid 7 through slip 11 and rectangular stopper 2 and rotates, and solenoid 7 drives sleeve 9 and rotates, and 9 drive spanner heads 10 rotations of cover expert, and then make things convenient for staff's operation.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the utility model, but that various changes and modifications may be made without departing from the spirit and scope of the utility model, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (5)

1. An assembled spanner with telescopic function, which comprises a spanner head (10) and is characterized in that, the wrench head (10) is provided with a solenoid (7) through a positioning mechanism, a sliding pipe fitting (6) is slidably sleeved outside the spiral pipe (7), a plurality of sliding grooves (11) are formed in the inner wall of the sliding pipe fitting (6), a plurality of strip limiting blocks (2) are arranged outside the screw tube (7) through screws, the long-strip limiting block (2) is slidably arranged in the sliding groove (11), a screw rod (14) is inserted into one end of the solenoid (7) in a threaded manner, one end of the screw rod (14) penetrates through the sliding pipe fitting (6) and extends to the outer side of the sliding pipe fitting, a rotating block (5) is welded at one end of the screw rod (14), and a sliding limiting mechanism is arranged between the rotating block (5) and the sliding pipe fitting (6).

2. The assembled wrench with the telescopic function according to claim 1, wherein the sliding limiting mechanism comprises two first circular ring members (3) and a plurality of connecting members (4), the two first circular ring members (3) are fixedly sleeved outside the sliding pipe (6), the two first circular ring members (3) are symmetrically arranged, one ends of the plurality of connecting members (4) are mounted on the side surface of the rotating block (5) through screws, and the other ends of the plurality of connecting members (4) extend to between the two first circular ring members (3).

3. An assembled telescopic wrench as claimed in claim 2, wherein said connecting members (4) are concave, and there are at least three connecting members (4), and said three connecting members (4) are arranged at equal angles.

4. The assembled wrench with the telescopic function according to claim 1, wherein the positioning mechanism comprises a sleeve (9) and a plurality of limit blocks (8), the limit blocks (8) are installed at the end of the wrench head (10) through screws, the sleeve (9) is installed at one end of a screw tube (7) through screws, a plurality of insertion holes (13) are formed at the end of the sleeve (9), the wrench head (10) is placed inside the sleeve (9), the limit blocks (8) are inserted inside the insertion holes (13), a plurality of screw holes are formed in the side surface of the sleeve (9), a plurality of screw bolts (12) are inserted inside the screw holes, one end of each screw bolt (12) is in contact with the surface of the wrench head (10), and a limit part (1) is sleeved on the surface of each screw bolt (12) in a sliding manner, it is a plurality of the one end of locating part (1) is buckled and is arranged and with the end contact of spanner head (10), it is a plurality of the surperficial threaded sleeve of double-screw bolt (12) is equipped with fastening nut (15), and is a plurality of the tip of fastening nut (15) contacts with the side of a plurality of locating parts (1) respectively, and is a plurality of the another side of locating part (1) all contacts with the external contact of sleeve (9).

5. An assembled telescopic wrench as claimed in claim 4, wherein there are at least two studs (12), and the two studs (12) are arranged symmetrically.

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