A kind of automatic anti-loosing screw nut
Technical field
The present invention relates to a kind of automatic anti-loosing screw nut, particularly a kind of automatic anti-loosing screw nut on sheet material, belong to machine
Tool technical field of fastening.
Background technology
Nut is exactly nut, is threaded together the part for playing the role of fastening with bolt or screw rod, is connected for playing fastening
Connect two machine components with through hole.Bolt is screwed out nut such as, the two parts can separate again, therefore the connection is category
In being detachably connected, it is also possible to be widely used on sheet material.When plant equipment is run, mechanical vibration can be produced unavoidably, it is long
The mechanical vibration of phase cause nut to rock, and cause thread abrasion so that fastening effect is deteriorated, and have impact on the workability of plant equipment
Energy and stability, particularly have impact on the machining accuracy of some precision equipments, it is also possible to which bolt abjection nut thread hole occurs
Phenomenon, so as to cause mechanical breakdown.
The content of the invention
The invention aims to overcome the deficiencies in the prior art and provide one kind and take up room little at ordinary times and can work as general
The automatic anti-loosing screw nut that nut is used.
To reach above-mentioned purpose, the technical solution used in the present invention is:A kind of stop nut, including nut body, it is described
Screwed hole is provided with nut body, also including two " L " shape switch blocks;The bottom in " I " portion of " L " the shape switch block is fillet;Institute
"-" portion inner face for stating " L " shape switch block is provided with array and has multiple projections;Two levels are provided with the nut body symmetrically
Groove;The level trough is communicated with the external world;The vertical holding tank that with each level trough communicate is provided with the nut body also;It is described
The bottom of holding tank is provided with the cylinder that expansion link is protruded upward;The telescopic rod end of the cylinder is provided with pushing block;The nut sheet
The lower surface of body is provided with the switch of control cylinder;" I " portion of described each " L " shape switch block is contained in a holding tank, institute
The bottom for stating " I " portion of " L " shape switch block is contacted with pushing block;When " I " portion of " L " the shape switch block is contained in holding tank, institute
"-" portion for stating " L " shape switch block is located in level trough, and "-" portion upper surface of " L " the shape switch block is equal with nut body upper surface
Together, "-" portion lateral surface of described " L " shape switch block is towards screwed hole direction;Width of the width of the level trough more than " L " shape switch block
Degree;" I " portion of " L " the shape switch block can be slided up and down in holding tank;" I " portion of " L " the shape switch block slides up to most
During high position, can downwardly turn over;" I " portion of " L " the shape switch block is located in level trough, "-" portion of " L " the shape switch block and spiral shell
The diameter parallel of pit.
Preferably, two annular grooves are provided with described each holding tank;The both sides in " I " portion of " L " the shape switch block set
There is cylindrical slider;The slide block slides in chute, and " I " portion of " L " shape switch block is slided up and down in holding tank, and is slided into
During extreme higher position, can downwardly turn over.
Preferably, gap is left with horizontal trench bottom in the raised bottom.
Due to the utilization of above-mentioned technical proposal, the present invention has following advantages compared with prior art:
The automatic anti-loosing screw nut of the present invention, during use, " I " portion of two " L " shape switch blocks is released by the pushing block that cylinder connects
Holding tank so that easy to operate;When not using, it is as good as with the nut for generally using at ordinary times, takes up room little, carries user
Just, additionally it is possible to when general nut is used, one is female multiplex.
Description of the drawings
Below in conjunction with the accompanying drawings technical solution of the present invention is described further:
Structural representation of the accompanying drawing 1 for the automatic anti-loosing screw nut of the present invention;
Another viewing angle constructions schematic diagram of the accompanying drawing 2 for the automatic anti-loosing screw nut of the present invention;
Use state schematic diagram of the accompanying drawing 3 for the automatic anti-loosing screw nut of the present invention;
Partial enlarged drawing of the accompanying drawing 4 for accompanying drawing 3;
Wherein:1st, nut body;2nd, screwed hole;3rd, " L " shape switch block;4th, fillet;5. raised;6th, level trough;7th, holding tank;
8th, cylinder;9th, pushing block;10th, switch;11st, chute;12nd, slide block;13rd, bolt;14th, sheet material.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment the present invention is described in further detail.
Of the present invention a kind of automatic anti-loosing screw nut as shown in accompanying drawing 1,2, including nut body 1, the nut sheet
Screwed hole 2 is provided with body 1, also including two " L " shape switch blocks 3;The bottom in " I " portion of " L " the shape switch block 3 is fillet 4;It is described
"-" portion inner face of " L " shape switch block 3 is provided with array multiple raised 5;Two levels are provided with the nut body 1 symmetrically
Groove 6;The level trough 6 is communicated with the external world;The vertical holding tank that with each level trough 6 communicate is provided with the nut body 1 also
7;The bottom of the holding tank 7 is provided with the cylinder 8 that expansion link is protruded upward;The telescopic rod end of the cylinder 8 is provided with pushing block 9;
The lower surface of the nut body 1 is provided with the switch 10 of control cylinder 8;" I " portion of each " L " shape switch block 3 is contained in
In one holding tank 7, the bottom in " I " portion of " L " the shape switch block 3 is contacted with pushing block 9;" I " portion of " L " the shape switch block 3
When being contained in holding tank 7, "-" portion of " L " the shape switch block is located in level trough 6, "-" portion upper table of " L " the shape switch block 3
Face and 1 upper surface flush of nut body, "-" portion lateral surface of " L " the shape switch block 3 is towards 2 direction of screwed hole;The level
Width of the width of groove 6 more than " L " shape switch block 3;" I " portion of " L " the shape switch block 3 can be slided up and down in holding tank 7;It is described
When " I " portion of " L " shape switch block 3 slides up to extreme higher position, can downwardly turn over;" I " portion of " L " the shape switch block 3 is located at water
Rise as high as the banks in 6, "-" portion of " L " the shape switch block 3 and the diameter parallel of screwed hole 2;In said structure, in described each holding tank 7
It is provided with two annular grooves 11;The both sides in " I " portion of " L " the shape switch block 3 are provided with cylindrical slider 12;The slide block 12 is being slided
Slide in groove 11, " I " portion of " L " shape switch block 3 is slided up and down in holding tank 7, and when sliding into extreme higher position, can be turned over downwards
Turn;As gap is left in raised 5 bottoms and 6 bottom of level trough, it is ensured that raised 5 are not produced with 6 bottom of level trough
Life is touched, it is to avoid raised 5 are worn.
Of the present invention a kind of automatic anti-loosing screw nut as shown in accompanying drawing 3,4, during use, the screw rod insertion plate of bolt 13
After material 14, switch 10 is pressed, the expansion link of cylinder 8 stretches out, drive pushing block 9 to release " I " portion of two " L " shape switch blocks 3 and accommodate
Then two " L " shape switch blocks 3 are overturn by groove 7 so that " I " portion of " L " shape switch block 3 is located in level trough 6, then nut sheet
Body 1 screws on the screw rod of bolt 13, and after screwing, raised 6 bottom is contacted with the both side surface of sheet material 14, plays increasing friction force
Effect, when plant equipment operation produce mechanical vibration when, nut is difficult to rock so that screw thread is not easy to wear, increased fastening
Effect, improves the service behaviour and stability of plant equipment, so that some precision equipment machining accuracies are guaranteed,
The generation of bolt abjection nut thread hole phenomenon is more prevented, the security performance of plant equipment is improve;After finishing, unload
Nut body, then presses switch, and the expansion link of cylinder shrinks, and " I " portion of two " L " shape switch blocks 1 is put into holding tank;When this
When nut is not used, " I " portion of " L " shape switch block is contained in holding tank, when " I " portion of " L " shape switch block is contained in holding tank,
"-" portion of " L " shape switch block be located at level trough in, "-" portion lateral surface of " L " shape switch block towards screwed hole direction, " L " shape switch block
"-" portion upper surface and nut body upper surface flush, are as good as with the nut for generally using at ordinary times, are taken up room little, and carrying makes
With conveniently, additionally it is possible to when general nut is used, one is female multiplex.
The automatic anti-loosing screw nut of the present invention, during use, " I " portion of two " L " shape switch blocks is released by the pushing block that cylinder connects
Holding tank so that easy to operate, reduces the labor intensity of operator, increased work efficiency.
Above-described embodiment technology design only to illustrate the invention and feature, its object is to allow person skilled in the art
Scholar will appreciate that present disclosure and be carried out, can not be limited the scope of the invention with this, all according to the present invention
Equivalence changes or modification that spirit is made, should all cover within the scope of the present invention.