CN216803230U - Extensible explosion-proof wrench - Google Patents

Abstract

The utility model relates to the technical field of explosion-proof tools, in particular to an extensible explosion-proof wrench, which can conveniently adjust the length of the wrench, improve the portability and the practicability of use and avoid the need of simultaneously equipping various models; including the spanner head, spanner upper portion, the spanner lower part, the spanner afterbody, two sets of spacing laths, fixed threaded rod, rotatory screwed pipe and fixed block, be provided with four groups of slots on spanner upper portion and the spanner lower part respectively, four groups of slot bottom do not are provided with four groups and hold the chamber, two sets of spacing laths both ends insert to four groups through four groups of slots respectively and hold the chamber, and be provided with four groups of stoppers respectively at two sets of spacing laths both ends, four groups of stoppers are located four groups respectively and hold the chamber, be provided with the regulation hole on the spanner lower part, one side that the spanner lower part is close to spanner upper portion is provided with the through-hole, the fixed block is installed in regulation hole department, be provided with the fixed orifices on the fixed block, rotatory screwed pipe passes the fixed orifices, rotatory screwed pipe and fixed orifices inner wall rotatable coupling.

Description

Extensible explosion-proof wrench

Technical Field

The utility model relates to the technical field of explosion-proof tools, in particular to an extensible explosion-proof wrench.

Background

As is known well, the spanner is a commonly used mounting and dismounting tool, and is a hand tool for screwing bolts, screws, nuts and other threads to tightly hold openings or trepanning fasteners of the bolts or the nuts by utilizing a lever principle, the explosion-proof spanner is the most extensive and frequent hand tool used in the explosion-proof tool, and the existing spanner needs to select the spanners with different lengths according to different use requirements to use when in use, so that the spanner with a plurality of models of different sizes needs to be simultaneously equipped, the operation is more troublesome, and the spanner is inconvenient to adjust, thereby leading to poor practicability.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides the extensible explosion-proof wrench which can conveniently adjust the length of the wrench, improve the portability and the practicability of use and does not need to be equipped with various models simultaneously.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: an extensible explosion-proof wrench comprises a wrench head, a wrench upper part, a wrench lower part, a wrench tail part, two groups of limiting laths, a fixed threaded rod, a rotating threaded pipe and a fixed block, wherein four groups of slots are respectively arranged on the wrench upper part and the wrench lower part, four groups of containing cavities are respectively arranged at the bottoms of the four groups of slots, two ends of the two groups of limiting laths are respectively inserted into the four groups of containing cavities through the four groups of slots, four groups of limiting blocks are respectively arranged at two ends of the two groups of limiting laths, the four groups of limiting blocks are respectively positioned in the four groups of containing cavities, an adjusting hole is arranged on the wrench lower part, a through hole is arranged on one side of the wrench lower part close to the wrench upper part, the through hole is communicated with the adjusting hole, the fixed block is arranged at the adjusting hole and is provided with a fixed hole, the rotating threaded pipe passes through the fixed hole and is rotatably connected with the inner wall of the fixed hole, the wrench is characterized in that one side, close to the lower portion of the wrench, of the upper portion of the wrench is provided with a limiting hole, one end of the fixed threaded rod is inserted into and fixed in the limiting hole, the other end of the fixed threaded rod is screwed with a rotating threaded pipe, and the head portion and the tail portion of the wrench are respectively installed on the upper portion of the wrench and the lower portion of the wrench.

Specifically, the wrench head comprises a fixing seat, a positioning block, a moving rack, a fixing shaft and a screw rod, wherein the positioning block is installed on the fixing seat, a convex groove and a limiting hole are formed in the fixing seat, the limiting hole is communicated with the bottom of the convex groove, two sets of positioning holes are formed in the inner side wall of the limiting hole, the screw rod is located in the positioning hole, the screw rod is fixed to the fixing shaft in a sleeved mode, two ends of the fixing shaft are inserted into the two sets of positioning holes respectively, the moving rack is connected with the moving block through a connecting plate, the moving rack is located in the convex groove, and the screw rod is meshed with the moving rack.

Specifically, a polygonal plum blossom hole is formed in the tail of the wrench.

Specifically, the anti-skidding device further comprises two sets of anti-skidding pads, and the two sets of anti-skidding pads are respectively installed on the limiting block and the moving block.

The novel adjustable threaded pipe is characterized by comprising a plurality of groups of buffer blocks, wherein the plurality of groups of buffer blocks are arranged on the inner wall of the adjusting hole, and are in contact with the outer wall of the rotary threaded pipe.

(III) advantageous effects

Compared with the prior art, the utility model provides an extensible explosion-proof wrench, which has the following beneficial effects: according to the user demand of difference, rotate rotatory screwed pipe, make rotatory screwed pipe rotate along fixed screwed pipe, thereby it keeps away from or is close to spanner upper portion to drive the spanner lower part, thereby can conveniently adjust the length of spanner, improve and use portability and practicality, need not multiple model and be equipped with simultaneously, when it uses, adjust the spanner head, make its adaptation need carry out pivoted swivel nut etc. when rotating the spanner, can improve the injecing to the relative position relation between spanner upper portion and the spanner lower part through two sets of spacing laths, avoid taking place the dislocation between spanner upper portion and the spanner lower part, and can inject the position relation between two sets of spacing laths and spanner upper portion and the spanner lower part through four sets of stoppers.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic view of the engagement of the moving block, the connecting plate, the moving rack and the non-slip mat;

FIG. 4 is a schematic view of the engagement of the stop bar and the stop;

in the drawings, the reference numbers: 1. the upper part of the wrench; 2. the lower part of the wrench; 3. the tail part of the wrench; 4. limiting battens; 5. fixing a threaded rod; 6. rotating the threaded pipe; 7. a fixed block; 8. a limiting block; 9. A fixed seat; 10. positioning blocks; 11. a moving block; 12. moving the rack; 13. a fixed shaft; 14. A screw rod; 15. a non-slip mat; 16. and a buffer block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, an extensible explosion-proof wrench comprises a wrench head, a wrench upper portion 1, a wrench lower portion 2, a wrench tail 3, two sets of limiting slats 4, a fixed threaded rod 5, a rotary threaded pipe 6 and a fixed block 7, wherein four sets of slots are respectively arranged on the wrench upper portion 1 and the wrench lower portion 2, four sets of receiving cavities are respectively arranged at bottoms of the four sets of slots, two ends of the two sets of limiting slats 4 are respectively inserted into the four sets of receiving cavities through the four sets of slots, four sets of limiting blocks 8 are respectively arranged at two ends of the two sets of limiting slats 4, the four sets of limiting blocks 8 are respectively positioned in the four sets of receiving cavities, an adjusting hole is arranged on the wrench lower portion 2, a through hole is arranged at one side of the wrench lower portion 2 close to the wrench upper portion 1 and communicated with the adjusting hole, the fixed block 7 is arranged at the adjusting hole, the fixed block 7 is provided with the fixed hole through which the rotary threaded pipe 6 passes, and the rotating threaded pipe 6 is rotatably connected with the inner wall of the fixed hole, one side of the wrench upper part 1 close to the wrench lower part 2 is provided with a limit hole, one end of the fixed threaded rod 5 is inserted and fixed into the limit hole, the other end of the fixed threaded rod 5 is screwed through the rotating threaded pipe 6, the wrench head part and the wrench tail part 3 are respectively installed on the wrench upper part 1 and the wrench lower part 2, the wrench head part comprises a fixed seat 9, a positioning block 10, a moving block 11, a moving rack 12, a fixed shaft 13 and a screw rod, the positioning block 10 is installed on the fixed seat 9, a convex groove and a limit hole are arranged on the fixed seat 9, the limit hole is communicated with the bottom of the convex groove, two groups of positioning holes are arranged on the inner side wall of the limit hole, the screw rod is positioned at the positioning holes, the screw rod 14 is sleeved and fixed on the fixed shaft 13, two ends of the fixed shaft are respectively inserted into the two groups of positioning holes, the moving rack 12 is connected with the moving block 11 through a connecting plate, and remove rack 12 and be located protruding type recess, the hob meshes with removing rack 12, is provided with polygon plum blossom hole on the spanner afterbody 3, still includes two sets of slipmats 15, and two sets of slipmats 15 are installed respectively on stopper 8 and movable block 11, still includes the multiunit buffer block, and the multiunit buffer block is all installed on the regulation hole inner wall to the multiunit buffer block all contacts with 6 outer walls of rotatory screwed pipe.

The utility model relates to an extensible explosion-proof wrench, which rotates a rotary threaded pipe 6 according to different use requirements when in use, so that the rotary threaded pipe 6 rotates along a fixed threaded pipe, thereby driving a wrench lower part 2 to be far away from or close to a wrench upper part 1, thereby being convenient for adjusting the length of the wrench, improving the use portability and practicability, not needing to be equipped with multiple models simultaneously, when in use, the head of the wrench is adjusted, a screw rod is rotated, the screw rod drives a movable rack 12 to move, further the distance between a movable block 11 and a positioning block 10 is increased, so that the wrench is suitable for a rotary nut and the like which need to be rotated, when in use, the nut and the like which need to be rotated are clamped by the positioning block 10 and the movable block 11, the friction force between the nut and the nut is improved by two sets of anti-skid pads 15, the wrench is rotated, and the limitation on the relative position relation between the wrench upper part 1 and the wrench lower part 2 can be improved by two sets of limiting laths 4 when the wrench is rotated, avoid taking place the dislocation between spanner upper portion 1 and the spanner lower part 2, and can inject two sets of spacing laths 4 and the position relation between spanner upper portion 1 and the spanner lower part 2 through four groups of stopper 8, when not rotating rotatory screwed pipe 6, can reduce the proper motion rotation of rotatory screwed pipe 6 through the multiunit buffer block, thereby can keep the distance between spanner upper portion 1 and the spanner lower part 2, can also carry out direct operation to the nut etc. of its adaptation through the plum blossom hole convenience of spanner afterbody 3, need not to readjust the spanner head.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. An extensible explosion-proof wrench is characterized by comprising a wrench head, a wrench upper part (1), a wrench lower part (2), a wrench tail (3), two groups of limiting laths (4), a fixed threaded rod (5), a rotary threaded pipe (6) and a fixed block (7), wherein four groups of slots are respectively arranged on the wrench upper part (1) and the wrench lower part (2), four groups of accommodating cavities are respectively arranged at the bottoms of the four groups of slots, two ends of the two groups of limiting laths (4) are respectively inserted into the four groups of accommodating cavities through the four groups of slots, four groups of limiting blocks (8) are respectively arranged at two ends of the two groups of limiting laths (4), the four groups of limiting blocks (8) are respectively positioned in the four groups of accommodating cavities, an adjusting hole is arranged on the wrench lower part (2), a through hole is arranged at one side of the wrench lower part (2) close to the wrench upper part (1), and the through hole is communicated with the adjusting hole, fixed block (7) are installed in regulation hole department to be provided with the fixed orifices on fixed block (7), rotatory screwed pipe (6) pass the fixed orifices to rotatory screwed pipe (6) and fixed orifices inner wall rotatable coupling, spanner upper portion (1) are close to spanner lower part (2) one side and are provided with spacing hole, fixed threaded rod (5) one end inserts and fixes to spacing hole in to fixed threaded rod (5) other end spiral shell dress passes through rotatory screwed pipe (6), install respectively on spanner upper portion (1) and spanner lower part (2) spanner head and spanner afterbody (3).

2. Extensible explosion-proof wrench according to claim 1, characterised in that the wrench head comprises a fixed seat (9), a positioning block (10), a moving block (11), a moving rack (12), a fixed shaft (13) and a screw rod (14), the positioning block (10) is mounted on the fixed seat (9), a convex groove and a limit hole are arranged on the fixed seat (9), the limit hole is communicated with the bottom of the convex groove, two groups of positioning holes are arranged on the inner side wall of the limiting hole, the screw rod (14) is positioned at the positioning holes, and the screw rod (14) is sleeved and fixed on a fixed shaft (13), two ends of the fixed shaft are respectively inserted into the two groups of positioning holes, the moving rack (12) is connected with the moving block (11) through a connecting plate, and the moving rack (12) is positioned in the convex groove, and the screw rod (14) is meshed with the moving rack (12).

3. Extensible explosion-proof wrench according to claim 2, characterised in that the wrench tail (3) is provided with polygonal plum-blossom holes.

4. An extensible explosion-proof wrench according to claim 3, further comprising two sets of anti-slip pads (15), wherein the two sets of anti-slip pads (15) are respectively mounted on the stop block (8) and the moving block (11).

5. An extensible explosion-proof wrench according to claim 4, further comprising a plurality of sets of buffer blocks (16), wherein the plurality of sets of buffer blocks (16) are all installed on the inner wall of the adjusting hole, and the plurality of sets of buffer blocks (16) are all contacted with the outer wall of the rotary threaded pipe (6).

Images