CN221097128U - Corrosion-resistant aluminum alloy screw rod - Google Patents

Abstract

The utility model discloses a corrosion-resistant aluminum alloy screw rod, which comprises a bolt, and further comprises an end head and a jacket mechanism, wherein the end head is integrally formed at one end of the bolt, the jacket mechanism is arranged outside the bolt, the jacket mechanism comprises a sleeve, an internal thread, a groove, a threaded hole A, a threaded hole B and a screw, the periphery of the bolt is sleeved with the sleeve, the internal thread is formed in the inner side wall of the sleeve, the sleeve is connected with the bolt through the internal thread, the sleeve is screwed into the periphery of the bolt by utilizing the matching of the internal thread and a thread groove of the outer wall of the bolt, the threaded hole A is aligned with the threaded hole B after the screwing is completed, the screw is screwed into a joint, the sleeve is further fixed on the periphery of the bolt, at the moment, the sleeve can be screwed into a proper installation position for normal use through the outer wall thread of the sleeve, the sleeve has an isolation effect in the use process, oil stain contact, oxygen contact and the like are reduced, the use time of the bolt is prolonged, and the corrosion resistance of the bolt is improved.

Description

Corrosion-resistant aluminum alloy screw rod

Technical Field

The utility model relates to the technical field of screw shafts, in particular to a corrosion-resistant aluminum alloy screw shaft.

Background

The screw rod is a mechanical part, a cylindrical threaded fastener matched with a nut is used, and a fastener consisting of a head part and a screw rod is matched with the nut to be used for fastening and connecting two parts with through holes, and is also one of important parts for connection on a machine tool.

The screw pole in the prior art has the following defects when in use: 1. the screw rod is generally directly used, and when the screw rod is used in a corrosion-prone environment for a long time, the main body of the screw rod is easy to rust and corrode, so that the connection stability of the screw rod is affected; 2. when the screw rod is applied to the machine tool, the end part of the screw rod is generally exposed after the screw rod is installed, the screw rod is easy to corrode, and the screw rod is greatly influenced after the screw rod is corroded.

Disclosure of utility model

In order to solve the defects in the prior art, the utility model provides a corrosion-resistant aluminum alloy screw rod.

In order to achieve the technical effects, the utility model adopts the following scheme:

The utility model provides a corrosion-resistant aluminum alloy screw pole, includes the bolt, still includes end and overcoat mechanism, bolt one end integrated into one piece has the end, bolt externally mounted has overcoat mechanism, overcoat mechanism includes sleeve pipe, internal thread, recess, screw hole A, screw hole B and screw, the sleeve pipe has been cup jointed to the bolt periphery, the internal thread has been seted up to the sleeve pipe inside wall, the sleeve pipe is connected with the bolt through the internal thread, screw hole A has been seted up to sleeve pipe end one end, screw hole B that corresponds with screw hole A position has been seted up to bolt one end, the cooperation is connected with the screw between screw hole A and the screw hole B.

The optimized technical scheme also comprises a protection mechanism, wherein the protection mechanism is arranged on the periphery of the end head and comprises a rubber sleeve, a backing ring, a sleeve hole and a cross-shaped groove, the rubber sleeve is sleeved on the periphery of the end head, the backing ring is integrally formed at one end of the rubber sleeve, the sleeve hole is formed on one side, far away from the rubber sleeve, of the surface of the backing ring, and the cross-shaped groove is formed on one side of the surface of the rubber sleeve; the gum cover and the backing ring material are rubber, twist the front, with the trepanning to Ji Duantou, utilize the tensile trepanning position of elasticity of rubber material until the end embolias to the gum cover inside, the backing ring is located junction between end and the bolt this moment, cross groove facilitates the use hexagonal spanner etc. to twist the bolt, twist and accomplish back cross groove position automatic re-setting, play the guard action through the gum cover, reduce the end position and be stained with outside greasy dirt, and then avoid the tip to corrode, the backing ring is located junction can play the effect that increases connection stability.

According to the preferred technical scheme, a hexagonal groove is formed in the end head; the tool is convenient to screw through the hexagonal groove.

According to the preferred technical scheme, a groove is formed in one side, close to the threaded hole A, of the sleeve, and the threaded hole A is located in the groove; the grooves can prevent the screw ends from protruding after the screws are screwed in.

The diameter of the trepanning is smaller than that of the end head; the rubber sleeve can be sleeved outside the end head through the sleeve hole

Compared with the prior art, the beneficial effects are as follows:

The utility model has simple structure and convenient use, the opening end of the sleeve is aligned with the end part of the bolt and screwed in, the sleeve is screwed in the periphery of the bolt by utilizing the matching of the internal thread and the thread groove on the outer wall of the bolt, the threaded hole A is aligned with the threaded hole B after the screwing in is finished, the screw is screwed in the joint, the sleeve is further fixed on the periphery of the bolt, at the moment, the sleeve can be screwed in a proper installation position for normal use through the outer wall thread of the sleeve, the sleeve plays an isolating role in the use process, the contact of the bolt with greasy dirt, oxygen and the like is reduced, the use time of the bolt is further prolonged, and the corrosion resistance of the bolt is improved; the gum cover and the backing ring material are rubber, twist the front, with the trepanning to Ji Duantou, utilize the tensile trepanning position of elasticity of rubber material until the end embolias to the gum cover inside, the backing ring is located junction between end and the bolt this moment, cross groove facilitates the use hexagonal spanner etc. to twist the bolt, twist and accomplish back cross groove position automatic re-setting, play the guard action through the gum cover, reduce the end position and be stained with outside greasy dirt, and then avoid the tip to corrode, the backing ring is located junction can play the effect that increases connection stability.

Drawings

Fig. 1 is a schematic view of the overall structure of the present utility model.

Fig. 2 is a schematic view of the bolt and sleeve connection structure of the present utility model.

Fig. 3 is a schematic structural diagram of the rubber sleeve of the present utility model.

Reference numerals: 1. a bolt; 2. an end head; 201. a hexagonal groove; 3. a jacket mechanism; 301. a sleeve; 302. an internal thread; 303. a groove; 304. a threaded hole A; 305. a threaded hole B; 306. a screw; 4. a protective mechanism; 401. a rubber sleeve; 402. a backing ring; 403. trepanning; 404. a cross-shaped groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

The utility model provides a corrosion-resistant aluminum alloy screw pole, includes bolt 1, still includes end 2 and overcoat mechanism 3, bolt 1 one end integrated into one piece has end 2, bolt 1 externally mounted has overcoat mechanism 3, overcoat mechanism 3 includes sleeve 301, internal thread 302, recess 303, screw hole A304, screw hole B305 and screw 306, sleeve 301 has been cup jointed to bolt 1 periphery, sleeve 301 inside wall has seted up internal thread 302, sleeve 301 is connected with bolt 1 through internal thread 302, sleeve 301 keeps away from end 2 one end and has seted up screw hole A304, screw hole B305 corresponding with screw hole A304 position has been seted up to bolt 1 one end, the cooperation is connected with screw 306 between screw hole A304 and the screw hole B305.

The preferable technical scheme further comprises a protection mechanism 4, wherein the protection mechanism 4 is arranged on the periphery of the end head 2, the protection mechanism 4 comprises a rubber sleeve 401, a backing ring 402, a sleeve hole 403 and a cross-shaped groove 404, the rubber sleeve 401 is sleeved on the periphery of the end head 2, the backing ring 402 is integrally formed at one end of the rubber sleeve 401, the sleeve hole 403 is formed on the surface of the backing ring 402, far from the rubber sleeve 401, and the cross-shaped groove 404 is formed on one side of the surface of the rubber sleeve 401; rubber sleeve 401 and backing ring 402 material are rubber, before twisting, with trepanning 403 alignment end 2, utilize the elasticity stretch trepanning 403 position of rubber material until end 2 embolias to the rubber sleeve 401 inside, backing ring 402 is located the junction between end 2 and the bolt 1 this moment, screw bolt 1 through cross groove 404 facilitates the use of hexagonal spanner etc. and twist, cross groove 404 position automatic re-setting after the completion, play the guard action through rubber sleeve 401, reduce end 2 position and be stained with outside greasy dirt, and then avoid the tip to corrode, backing ring 402 is located the junction can play the effect that increases connection stability.

In a preferred technical scheme, a hexagonal groove 201 is formed in the end head 2; the hexagonal groove 201 is convenient for screwing by using a tool.

In a preferred technical scheme, a groove 303 is formed in one side, close to the threaded hole A304, of the sleeve 301, and the threaded hole A304 is located in the groove 303; the recess 303 prevents the end of the screw 306 from protruding after the screw 306 is screwed in.

In a preferred technical scheme, the diameter of the sleeve hole 403 is smaller than the diameter of the end head 2; the gum cover 401 can be sleeved outside the end head 2 through the sleeve hole 403.

During the use, utilize the cooperation of internal thread 302 and bolt 1 outer wall thread groove to screw in sleeve 301 to the periphery of bolt 1, screw in the back screw hole A304 and screw hole B305 alignment are accomplished in the screwing in, screw 306 is screwed in to the junction, and then fix sleeve 301 in the periphery of bolt 1, can screw in the proper installation position normal use through the outer wall thread of sleeve 301 this moment, play the isolated effect through sleeve 301 in the use, reduce bolt 1 contact greasy dirt and oxygen etc. and then prolong its live time, improve its corrosion resistance, gum cover 401 and backing ring 402 material are rubber, before screwing in, with the trepanning 403 alignment end 2, stretch trepanning 403 position through the elasticity of rubber material until end 2 embolias to gum cover 401 inside, this moment backing ring 402 is located the junction between end 2 and the bolt 1, cross groove 404 position automatic reset through hexagonal spanner etc. is conveniently used to bolt 1, avoid end 2 position to touch outside greasy dirt, and then end corrosion, backing ring 402 is located the junction stability can increase.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "top", "bottom", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, or the directions or positional relationships conventionally put in place when the inventive product is used, or the directions or positional relationships conventionally understood by those skilled in the art are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in a specific direction, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Claims (5)

1. The utility model provides a corrosion-resistant aluminum alloy screw pole, its characterized in that, including bolt (1), end (2) and overcoat mechanism (3), bolt (1) one end integrated into one piece has end (2), bolt (1) externally mounted has overcoat mechanism (3), overcoat mechanism (3) include sleeve pipe (301), internal thread (302), recess (303), screw hole A (304), screw hole B (305) and screw (306), sleeve pipe (301) have been cup jointed to bolt (1) periphery, internal thread (302) have been seted up to sleeve pipe (301) inside wall, sleeve pipe (301) are connected with bolt (1) through internal thread (302), screw hole A (304) have been seted up to sleeve pipe (301) one end, screw hole B (305) corresponding with screw hole A (304) position are seted up to bolt (1) one end, the cooperation is connected with screw (306) between screw hole A (304) and screw hole B (305).

2. The corrosion-resistant aluminum alloy screw rod according to claim 1, further comprising a protection mechanism (4), wherein the protection mechanism (4) is arranged on the periphery of the end head (2), the protection mechanism (4) comprises a rubber sleeve (401), a backing ring (402), a sleeve hole (403) and a cross-shaped groove (404), the rubber sleeve (401) is sleeved on the periphery of the end head (2), the backing ring (402) is integrally formed at one end of the rubber sleeve (401), the sleeve hole (403) is formed on one side, far away from the rubber sleeve (401), of the surface of the backing ring (402), and the cross-shaped groove (404) is formed on one side of the surface of the rubber sleeve (401).

3. The corrosion-resistant aluminum alloy lead screw according to claim 1, wherein a groove (303) is formed on one side of the sleeve (301) close to the threaded hole a (304), and the threaded hole a (304) is located inside the groove (303).

4. The corrosion-resistant aluminum alloy lead screw as recited in claim 1, wherein the tip (2) is internally provided with a hexagonal groove (201).

5. The corrosion resistant aluminum alloy lead screw of claim 2 wherein said trepanning (403) diameter is smaller than the tip (2) diameter.