CN2407172Y - Sealed loose-proof and waterproof nuts - Google Patents

Abstract

The utility model discloses a sealed loosening-proof and water-proof nut which comprises a nut body, etc., wherein, one end of the nut body is provided with a flange edge and is embedded with a loosening-proof ring and a non-return ring sheet, and the other end is provided with a boss which is provided with internal and external threads, and an upper cover which is provided with internal threads is screwed with the external threads of the boss. The products of the utility model can automatically complete functions of self locking, sealing, rust prevention, loosening prevention, shock prevention and non-return after screwed tightly. Consequently, the nut can be prevented from unscrewing due to mechanical strong shock, components are prevented from loosening to be lost, and serious accident and unnecessary economic loss are avoided.

Description

Sealing retaining waterproof lock nut

The utility model is about a kind of fastening piece, more particularly about a kind of self-locking, sealing, antirust, locking, waterproof, against shock, retaining nut.

Since mechanical industry was come out, though the centuries changes, various nut fasteners were not all got rid of the disadvantage that rust is dead, move back button.Owing to often contacting earth, water, air, nut gets rusty, not only dismounting inconvenience, and cause whole parts to be scrapped easily; More dangerous is that nut moves back button because of mechanical macroseism, makes superstructure loosening even loses, and causes a serious accident and unnecessary economic loss.

In Chinese patent CN-94247301, disclose a kind of antirust sealing retaining nut, be placed with the retaining snap ring between the end face that its nylon garden is encircled with nut contacts.But the retaining snap ring of its use is made up of two parts, and the retaining snap ring directly contacts with the boss of nut, and bottom end can't blue sheet and antiratchetting groove, therefore possibly can't reach the function of shockproof, self-locking under sharp pounding, locking, retaining preferably.

Disclose a kind of self-locking nut in the PCT/JP93/00534 patent application, it embeds two elastic rings in nut, a pad is arranged between elastic ring, although it can reach the purpose of self-locking, may not well reach shockproof, locking function.

The purpose of this utility model is to overcome the defective that prior art exists, a kind of sealing retaining waterproof lock nut with self-locking, sealing, antirust, locking, waterproof, against shock, retaining structure is provided, after tightening, finish self-locking, sealing, antirust, locking, against shock, waterproof, stopping function automatically, thereby prevent that nut from moving back button because of mechanical macroseism, because of the rainwater corrosion, make superstructure loosening even lose, cause a serious accident and unnecessary economic loss.

Sealing retaining waterproof lock nut of the present utility model, comprise nut body, wherein the end at nut body has flange edge, and be embedded with anti-loose ring and tab washer piece, anti-loose ring places on the nut body inward flange, and tab washer piece places between anti-loose ring and nut body inward flange, at the other end of nut body boss is arranged, internal and external threads is arranged on the boss, and the outside thread on tapped loam cake and the boss spins; Anti-loose ring and tab washer piece can have two or more, and its internal diameter is more than or equal to the internal diameter of nut body, and have internal thread; The external form of band internal thread or interior bayonet socket loam cake can be garden shape or polygonal.

Sealing retaining waterproof lock nut of the present utility model is finished self-locking, sealing, antirust, waterproof, locking, against shock, stopping function automatically after tightening, thereby prevent that nut from moving back button because of mechanical macroseism, because of the rainwater corrosion, make superstructure loosening even lose, avoid causing a serious accident and unnecessary economic loss.

Below further set forth the utility model by accompanying drawing and explanation thereof.

Fig. 1 is a sectional view of the present utility model.

Fig. 2 is the sectional view of the another kind of formal product of the utility model.

Fig. 3 is the sectional view of the utility model loam cake.

Fig. 4 is the sectional view of the another kind of loam cake of the utility model.

Fig. 5 is the simple view of the utility model tab washer piece.

Fig. 6 is the simple view of another tab washer piece of the utility model.

Fig. 7 is the simple view of another tab washer piece of the utility model.

Fig. 8 is a kind of formal product worm's eye view of the present utility model.

Fig. 9 is the simple view of another tab washer piece of the utility model.

Figure 10 is an another kind of formal product worm's eye view of the present utility model.

Figure 11 is the sectional view of another kind of formal product of the present utility model.

Figure 12 is the plan view of a kind of anti-loose ring of the utility model.

In Fig. 1 to Figure 12, symbol 1 is represented nut body, and symbol 2 is represented screw thread, the anti-loose ring of symbol 3 representatives, symbol 4 is represented tab washer piece, and symbol 5 is represented flange, symbol 6 is represented antiratchetting groove, and symbol 7 is represented flange edge, and symbol 8 is represented ratchet, symbol 9 is represented outside thread, symbol 10 representative lids, the internal thread of symbol 11 representative lids, the outer bayonet socket of symbol 12 representatives, bayonet socket in symbol 13 representatives, symbol 14 is represented groove, symbol 15 is represented oilpaper, and symbol 16 is represented lubricant oil.

Consult Fig. 1, sealing retaining waterproof lock nut of the present utility model, comprise nut body 1, wherein the end at nut body 1 has flange edge 7, and is embedded with anti-loose ring 3 and tab washer piece 4, and anti-loose ring 3 places on nut body 1 inward flange 5, tab washer piece 4 places 5 of anti-loose ring 3 and nut body 1 inward flanges, the other end at nut body 1 has boss, and outside thread 9 is arranged on the boss, and the loam cake 10 of band internal thread 11 spins with the outside thread 9 on the boss.

Further, consult Fig. 2, sealing retaining waterproof lock nut of the present utility model, the other end at nut body 1 can have boss, internal thread 2 and outer bayonet socket 12 are arranged on the boss, and be embedded with anti-loose ring 3 and tab washer piece 4, the loam cake 10 of bayonet socket 13 and outer bayonet socket 12 clampings on the boss in the band.

In the utility model, consult Fig. 5,6,7,8,9,10 and Figure 12, described sealing retaining waterproof lock nut, at an end of nut body 1 except that having flange edge 7, also antiratchetting groove 6 can be arranged, antiratchetting groove 6 can have three or more, and is evenly distributed on flange edge 7 times.Can there be a slope on the base of flange edge 7, and slope is less than 5 degree.Anti-loose ring 3 and tab washer piece 4 can have two or more, and its internal diameter is more than or equal to the internal diameter of nut body 1, and have internal thread 2, can fluted 14 on the anti-loose ring 3; Tab washer piece 4 can be that two and half gardens or ellipse garden maybe can be eccentric and have ratchet 8; Tab washer piece 4 also can be uneven or have elastic member; Tab washer piece 4 can be placed on the anti-loose ring 3 or under, and tab washer piece 4 also can be made one with anti-loose ring 3.

In sealing retaining waterproof lock nut of the present utility model, consult Fig. 3 and Fig. 4, the external form of the loam cake 10 of band internal thread 11 or interior bayonet socket 13 can be garden shape or polygonal, there is oilpaper 15 inside of loam cake 10, and lubricant oil 16 is arranged in the oilpaper 15.

In use, sealing retaining waterproof lock nut of the present utility model is positioned on the screw rod, because the one end has flange edge and antiratchetting groove, and anti-loose ring and tab washer piece are arranged in the nut, therefore can contact with object securely, reach retaining, locking purpose, and set up loam cake thereon, owing in the loam cake oilpaper and lubricant oil are arranged, and can seal and waterproof.

Sealing retaining waterproof lock nut of the present utility model is simple in structure, compact, be convenient to installation and removal, and sealing effectively, retaining, shockproof, waterproof and locking, be convenient to realize motorization assembly simultaneously, do not damage nut body and repeated use, and production technology is simple, save man-hour, material and the energy, have great economic and social benefit.It is mechanically various to be widely used in industry, agricultural, communications and transportation, aviation, military affairs, building, engineering etc.

Claims (10)

1, a kind of sealing retaining waterproof lock nut, comprise nut body, it is characterized in that having flange edge at an end of nut body, and be embedded with anti-loose ring and tab washer piece, anti-loose ring places on the nut body inward flange, and tab washer piece places between anti-loose ring and nut body inward flange, at the other end of nut body boss is arranged, internal and external threads is arranged on the boss, and the outside thread on tapped loam cake and the boss spins.

2, sealing retaining waterproof lock nut as claimed in claim 1 is characterized in that at the other end of nut body boss being arranged, and internal and external threads is arranged on the boss, and is embedded with anti-loose ring and tab washer piece, and the outside thread on tapped loam cake and the boss spins.

3, sealing retaining waterproof lock nut as claimed in claim 1 is characterized in that at the other end of nut body boss being arranged, and internal thread and outer bayonet socket are arranged on the boss, and the loam cake of the interior bayonet socket of band is connected with the outer bayonet socket on the boss.

4, as claim 1,2 described sealing retaining waterproof lock nuts, it is characterized in that a end at nut body except that having flange edge, also can have antiratchetting groove, antiratchetting groove can have three or more, and is evenly distributed under the flange plate.

5, as claim 1,2 described sealing retaining waterproof lock nuts, it is characterized in that on the base of flange edge one slope being arranged, slope is less than 5 degree.

6, as claim 1,2 described sealing retaining waterproof lock nuts, it is characterized in that anti-loose ring and tab washer piece can have two or more, its internal diameter is more than or equal to the internal diameter of nut body, and has internal thread, and anti-loose ring inboard is fluted.

7,, it is characterized in that tab washer piece can be that two and half gardens or ellipse garden maybe can be eccentric and have ratchet as claim 1,2 described sealing retaining waterproof lock nuts.

8, as claim 1,2 described sealing retaining waterproof lock nuts, it is characterized in that tab washer piece can be uneven, tab washer piece can be placed on the anti-loose ring or under.

9, as claim 1,2 described sealing retaining waterproof lock nuts, it is characterized in that tab washer piece can become one with anti-loose ring.

10, as claim 1,2 described sealing retaining waterproof lock nuts, it is characterized in that the external form with internal thread or interior bayonet socket loam cake can be garden shape or polygonal, there is oilpaper the inside of loam cake, and lubricant oil is arranged in the oilpaper.

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