CN206129828U

CN206129828U - Fastener for mechanical maintenance

Info

Publication number: CN206129828U
Application number: CN201621099629.7U
Authority: CN
Inventors: 刘荣章
Original assignee: ALM INDUSTRIAL FURNACE MANUFACTURE SHANGHAI Co Ltd
Current assignee: ALM INDUSTRIAL FURNACE MANUFACTURE SHANGHAI Co Ltd
Priority date: 2016-09-30
Filing date: 2016-09-30
Publication date: 2017-04-26
Anticipated expiration: 2026-09-30

Abstract

The utility model relates to a standard component technical field discloses a fastener for mechanical maintenance, including first screw rod, the through -hole has been seted up to the inner chamber of first screw rod, the big hexagonal nut of top fixedly connected with of first screw rod, the inner chamber of through -hole runs through and is provided with the second screw rod, the top of second screw rod is run through the top of big hexagonal nut and is extended to the outside of big hexagonal nut, the pot head that the second screw rod exposes outside big hexagonal nut is equipped with little hexagonal nut. This fastener for mechanical maintenance through the use to the second screw rod, has avoided the limitation of distance and rigidity, has reached simple structure, low in manufacturing cost and the high effect of regulation precision, through the use to blocking dead device, makes the carriage release lever block and dies in the thread groove, has avoided the inside unable fastening of ordinary screw rod, has simultaneously effectually avoided the card to die the device long -term exposure appearing outward getting rusty, and the unable phenomenon of dismantling has reached easy dismantlement and the tight effect of fastening.

Description

A kind of flight-line maintenance securing member

Technical field

This utility model is related to standard component technical field, specially a kind of flight-line maintenance securing member.

Background technology

It is to connect two or more parts or component fastening that securing member securing member is commercially also referred to as standard component The general name of the class machine components adopted when being connected into by an entirety, its feature is that the various performance purposes of description is different And it is standardization, seriation, unitized strong, securing member is that most widely used mechanical basic part is in great demand.

Existing flight-line maintenance securing member, generally by pin secured adjusted is carried out, mainly by pin hole and Realizing having certain limitation, the distance of regulation and position are all changeless to pin, it is impossible to accurately adjusted, industry In also have a kind of adjustment structure, adjusted by meshed gears, although can accurately regulate the position of part, but The structure too complex, manufacturing cost and maintenance cost are all too high, existing securing member after long-time use, screw rod head It is chronically exposed to outer, it is easy to cause surface oxidisation to be worn and torn, inside screw so as to dismantle and common cannot be fastened, Cause easily to release in particular circumstances.

Utility model content

The purpose of this utility model is to provide a kind of flight-line maintenance securing member, to solve above-mentioned background technology in propose Screw rod head be chronically exposed to the outer problem that be easily corroded, cannot fasten inside common screw.

For achieving the above object, this utility model provides following technical scheme：A kind of flight-line maintenance securing member, including the One screw rod, the inner chamber of first screw rod offers through hole, and big six square nuts, institute are fixedly connected with the top of first screw rod The inner chamber for stating through hole is provided through the second screw rod, and the top of second screw rod is run through the top of big six square nuts and extended to The outside of big six square nuts, exposed one end outside big six square nuts of second screw rod is arranged with little six square nuts, and described the The bottom of two screw rods is fixedly connected with trapezoid boss, the bottom of first screw rod and is provided with positioned at the both sides of the second screw rod Stuck device, the stuck device includes chute, and the inner chamber of the chute is provided through mobile bar, the left side of the mobile bar Through chute and the inner chamber of through hole is extended to, the right-hand member of the mobile bar is through the outside of the first screw rod and outer with the first screw rod Wall is concordant, and the mobile bar is located at the top and bottom of chute inner chamber one end and has been fixedly connected with block, the left end of the block Back-moving spring is fixedly connected with, the left end of the back-moving spring is fixedly connected with the inwall of chute.

Preferably, a keyboard groove is offered at the top of second screw rod.

Preferably, the through hole is connected with the second screw flight.

Preferably, groove is offered on the front surface of first screw rod.

Preferably, the little six square nuts are connected with the second screw flight.

Preferably, circular protrusions have been fixedly connected with the top of the trapezoid boss both sides.

Compared with prior art, the beneficial effects of the utility model are：The flight-line maintenance securing member, by the second spiral shell The use of bar, under the using cooperatively of a keyboard groove and little six square nuts, the distance and position for enabling regulation changes, it is to avoid The limitation that distance and position are fixed, has reached the high effect of simple structure, manufacturing cost bottom and degree of regulation, by card The use of dead device, enable mobile bar stuck in thread groove, it is to avoid cannot fasten inside common screw, in special circumstances Easily occurs the phenomenon for releasing down, while effectively avoid stuck device and be chronically exposed to outer to occur getting rusty, it is impossible to dismounting Phenomenon, has reached effect easily disassembled and that fastening is tight, and the fastener constructions are simple, should be widely promoted.

Description of the drawings

Fig. 1 is this utility model structural representation；

Fig. 2 is the sectional view of this utility model structure；

Fig. 3 is the structural representation of the stuck device of this utility model.

In figure：1 first screw rod, 2 big six square nuts, 3 second screw rods, 4 little six square nuts, 5 trapezoid boss, 6 through holes, 7 cards Dead device, 71 chutes, 72 mobile bars, 73 blocks, 74 back-moving springs, 8 one keyboard grooves, 9 grooves.

Specific embodiment

Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment for being obtained, belongs to the scope of this utility model protection.

Fig. 1-3 are referred to, this utility model provides a kind of technical scheme：A kind of flight-line maintenance securing member, including first Screw rod 1, on the front surface of the first screw rod 1 groove 9 is offered, and opening up groove 9 can be such that the first screw rod 1 offsets to opposite side, The effect of fastening is reached, the inner chamber of the first screw rod 1 offers through hole 6, and the top of the first screw rod 1 is fixedly connected with big six square nuts 2, the inner chamber of through hole 6 is provided through the second screw rod 3, and through hole 6 is threadedly coupled with the second screw rod 3, and the top of the second screw rod 3 opens up There is a keyboard groove 8, the use that the first keyway 8 is capable of convenient use person is opened up, by the use to the second screw rod 3, in a keyboard Under the using cooperatively of groove 8 and little six square nuts 4, the distance and position for enabling regulation changes, it is to avoid distance and position are solid Fixed limitation, has reached the high effect of simple structure, manufacturing cost bottom and degree of regulation, and the top of the second screw rod 3 is through big The top of six square nuts 2 simultaneously extends to the outside of big six square nuts 2, the exposed one end set outside big six square nuts 2 of the second screw rod 3 Little six square nuts 4 are provided with, little six square nuts 4 are threadedly coupled with the second screw rod 3, the bottom of the second screw rod 3 is fixedly connected with trapezoidal Boss 5, trapezoid boss 5 has been fixedly connected with circular protrusions at the top of both sides, and using circular protrusions mobile bar can be preferably made 72 is stuck with the screw thread of securing member, the bottom of the first screw rod 1 and is provided with stuck device 7 positioned at the both sides of the second screw rod 3, blocks Dead device 7 includes chute 71, and the inner chamber of chute 71 is provided through mobile bar 72, and the left side of mobile bar 72 is run through chute 71 and prolonged The inner chamber of through hole 6 is extended, the right-hand member of mobile bar 72 is through the outside of the first screw rod 1 and concordant with the outer wall of the first screw rod 1, mobile Bar 72 is located at the top and bottom of chute inner chamber one end and has been fixedly connected with block 73, and the left end of block 73 is fixedly connected with reset Spring 74, the left end of back-moving spring 74 is fixedly connected with the inwall of chute 71, when user needs dismounting, in back-moving spring 74 In the presence of can make the returning quickly of mobile bar 72, by the use to stuck device 7, enable mobile bar 72 stuck in screw thread In groove, it is to avoid cannot fasten inside common screw, easily occur the phenomenon for releasing under special circumstances, while effectively avoiding Stuck device 7 is chronically exposed to outer to be occurred getting rusty, it is impossible to the phenomenon of dismounting, has reached effect easily disassembled and that fastening is tight, The fastener constructions are simple, should be widely promoted.

Operation principle：When using, when needing to fasten equipment, big six square nuts 2 are now rotated until being screwed into one Same level is determined, now user is by the counterclockwise rotates of little six square nuts 4, then again with straight screwdriver by a keyboard groove 8 rotate counterclockwise, and the now rising of the second screw rod 3 drives the trapezoid boss 5 of the bottom of the second screw rod 3 to rise, the second screw rod 3 The trapezoid boss 5 of bottom is contacted with the exposed mobile bar 72 in the inwall of through hole 6, in the presence of circular protrusions on trapezoid boss 5, Mobile bar 72 to the outer wall of the first screw rod 1 is moved, until mobile bar 72 is stuck with the screw thread of fastening apparatus, now user stops rotation Turn a keyboard groove 8, little six square nuts 4 are rotated in the direction of the clock, until certain moment of torsion is rotated to, so far, whole work Process is finished.

While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art, It is appreciated that these embodiments can be carried out various changes in the case of without departing from principle of the present utility model and spirit, repaiies Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.

Claims

1. a kind of flight-line maintenance securing member, including the first screw rod (1), it is characterised in that：The inner chamber of first screw rod (1) is opened Through hole (6) is provided with, big six square nuts (2) are fixedly connected with the top of first screw rod (1), the inner chamber of the through hole (6) is passed through Wear and be equipped with the second screw rod (3), the top of second screw rod (3) is run through the top of big six square nuts (2) and extended to big by six The outside of square nut (2), exposed one end in big six square nuts (2) outward of second screw rod (3) is arranged with little six square nuts (4), the bottom of second screw rod (3) is fixedly connected with trapezoid boss (5), the bottom of first screw rod (1) and positioned at The both sides of two screw rods (3) are provided with stuck device (7), and the stuck device (7) includes chute (71), the chute (71) Inner chamber is provided through mobile bar (72), and the left side of the mobile bar (72) runs through chute (71) and extends to the interior of through hole (6) Chamber, the right-hand member of the mobile bar (72) runs through the outside of the first screw rod (1) and, the shifting concordant with the outer wall of the first screw rod (1) Top and bottom of the lever (72) positioned at chute inner chamber one end has been fixedly connected with block (73), and the left end of the block (73) is consolidated Surely back-moving spring (74) is connected with, the left end of the back-moving spring (74) is fixedly connected with the inwall of chute (71).

2. a kind of flight-line maintenance securing member according to claim 1, it is characterised in that：The top of second screw rod (3) Portion offers a keyboard groove (8).

3. a kind of flight-line maintenance securing member according to claim 1, it is characterised in that：The through hole (6) and the second spiral shell Bar (3) is threadedly coupled.

4. a kind of flight-line maintenance securing member according to claim 1, it is characterised in that：First screw rod (1) is just Groove (9) is offered on surface.

5. a kind of flight-line maintenance securing member according to claim 1, it is characterised in that：The little six square nuts (4) with Second screw rod (3) is threadedly coupled.

6. a kind of flight-line maintenance securing member according to claim 1, it is characterised in that：Trapezoid boss (5) both sides Top be fixedly connected with circular protrusions.