CN218954338U

CN218954338U - Corrosion-resistant high-toughness stainless steel threaded pipe

Info

Publication number: CN218954338U
Application number: CN202320026564.7U
Authority: CN
Inventors: 栾培华; 李有锐; 张娜
Original assignee: Qingdao Youchengyuan Machinery Co ltd
Current assignee: Qingdao Youchengyuan Machinery Co ltd
Priority date: 2023-01-05
Filing date: 2023-01-05
Publication date: 2023-05-02
Anticipated expiration: 2033-01-05

Abstract

The utility model discloses an anti-corrosion high-toughness stainless steel threaded pipe, which relates to the technical field of stainless steel threaded pipes and comprises a pipeline, wherein a drainage mechanism is arranged on the inner wall of the pipeline, and comprises: tiny through hole, sealed lid, gear, ratchet, handle, delivery port, memory alloy, the top of sealed lid is provided with the screw thread, the middle part of sealed lid is fixed with the ring gear, the hole groove has been seted up to the bottom of sealed lid. When the temperature at night is low to the quick freezing point, the memory alloy contracts, water passes through the tiny through hole through the arranged drainage device, the flowing water slowly and tiny flows out through the water outlet, the flowing water is difficult to freeze, the anti-freezing effect is realized, the handle is screwed by hands, the handle drives the sealing cover to rotate back, the sealing cover drives the gear to rotate, the gear drives the ratchet wheel to rotate, the ratchet wheel holds the force of the spiral spring, the pawl on the memory alloy limits the ratchet wheel, and the repeated use of the device is realized.

Description

Corrosion-resistant high-toughness stainless steel threaded pipe

Technical Field

The utility model relates to the technical field of stainless steel threaded pipes, in particular to an anti-corrosion high-toughness stainless steel threaded pipe.

Background

The inner lining stainless steel composite steel pipe is a thin-wall stainless steel pipe which is composited on the inner wall of the steel pipe, the corrosion resistance of the steel pipe in the water conveying, hot water conveying, gas conveying, natural gas conveying and oil conveying processes is greatly improved, the surface is smooth, the fluid resistance is small, the mechanical strength of the steel pipe is high, the advantages of welding, groove and thread connection and good sealing performance can be adopted, the defect that the galvanized steel pipe is easy to corrode is overcome, and the corrosion resistance and high toughness are realized.

According to the steel lining stainless steel internal thread pipe fitting disclosed by CN208778881U, a traditional round pipe fitting is improved into an oval shape easy to clamp, meanwhile, an irregular round pipe structure and a stainless steel thread piece are utilized to be combined, the inner pipe and the outer pipe are fixed through a supporting component, and due to an irregular anti-rotation structure, the thread piece and the inner pipe cannot be separated when the stainless steel thread piece is threaded, a larger supporting gap exists between the inner pipe and the outer pipe, the inner pipe is not easy to separate or damage due to deformation of the outer pipe, and in addition, the integral rigidity of the pipe fitting is effectively improved due to the irregular inner pipe and oval outer pipe structure.

However, in winter environment in middle area, the temperature can reach the freezing point occasionally at night, and the water in the water pipe is easy to freeze because the water is not flowing, so that the family can not use water in the morning the next day, and can only wait for the ice in the water pipe to melt, and serious even the pipeline can be cracked because of the ice expansion of the water.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides an anti-corrosion high-toughness stainless steel threaded pipe, which solves the problems in the prior art.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides an anticorrosion high toughness stainless steel screwed pipe, includes the pipeline, be provided with drainage mechanism on the inner wall of pipeline, drainage mechanism includes:

the small through holes are formed in the inner wall of the pipeline;

the top of the sealing cover is in threaded connection with the inner wall of the pipeline;

the bottom of the gear is fixed with the ratchet wheel;

the ratchet wheel is fixed with one end of the scroll spring, and one end of the scroll spring far away from the ratchet wheel is fixed with the inner wall of the pipeline;

the handle is rotationally connected with the inner wall of the pipeline and is in sliding connection with the sealing cover;

a water outlet is formed in the bottom of the pipeline;

the inner wall of pipeline is fixed with memory alloy, when night temperature is low to quick freezing point, memory alloy shrink, the pawl no longer is spacing to the ratchet, the spiral spring drives ratchet rotation, the ratchet drives the gear and rotates, the gear drives sealed lid and is opened, water passes through tiny through-hole, the slow tiny outflow of delivery port, the effect of freezing can be difficult to freeze to flowing water, the temperature rises to above the freezing point, memory alloy return, manual handle is twisted, the handle drives sealed lid and rotates the return, sealed lid drives the gear and rotates, the gear drives ratchet and rotates, the ratchet holds the power to the spiral spring, pawl on the memory alloy is spacing to the ratchet, the reuse of device has been realized.

Preferably, the top of the sealing cover is provided with threads, the middle part of the sealing cover is fixed with a gear ring, and the bottom of the sealing cover is provided with a hole groove.

Preferably, a circular ring protrusion is fixed at the middle part of the handle.

Preferably, a pawl is fixed on the right side of the memory alloy, and the pawl is meshed with the ratchet wheel.

Preferably, the sealing cover is meshed with the gear.

Preferably, the handle extends through the inner wall of the conduit.

(III) beneficial effects

The utility model provides an anti-corrosion high-toughness stainless steel threaded pipe. The beneficial effects are as follows:

(1) When the night temperature is low to the quick freezing point, the memory alloy contracts, water passes through the small through holes and slowly and finely flows out through the water outlet through the arranged drainage device, flowing water is difficult to freeze, and the anti-freezing effect is realized.

(2) The anti-corrosion high-toughness stainless steel threaded pipe is characterized in that the handle is screwed by hands, the handle drives the sealing cover to rotate and return, the sealing cover drives the gear to rotate, the gear drives the ratchet wheel to rotate, the ratchet wheel holds the spiral spring, and the pawl on the memory alloy limits the ratchet wheel, so that the device can be reused.

Drawings

FIG. 1 is a schematic diagram of a front view of the present utility model;

FIG. 2 is a schematic cross-sectional view of the front view of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2 according to the present utility model;

FIG. 4 is a schematic view of a bottom view of the drainage mechanism of the present utility model;

fig. 5 is an enlarged schematic view of the structure of fig. 3 at B according to the present utility model.

In the figure: 1. a pipe; 2. a drainage mechanism; 201. a fine through hole; 202. sealing cover; 203. a gear; 204. a ratchet wheel; 205. a handle; 206. a water outlet; 207. a memory alloy.

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. 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.

Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides an anticorrosion high toughness stainless steel screwed pipe, includes pipeline 1, is provided with drainage mechanism 2 on the inner wall of pipeline 1, and drainage mechanism 2 includes: a small through hole 201, wherein the small through hole 201 is arranged on the inner wall of the pipeline 1; the top of the sealing cover 202 is in threaded connection with the inner wall of the pipeline 1; a gear 203, wherein the bottom of the gear 203 is fixed with a ratchet 204; a ratchet wheel 204, wherein the ratchet wheel 204 is fixed with one end of a scroll spring, and one end of the scroll spring far away from the ratchet wheel 204 is fixed with the inner wall of the pipeline 1; the handle 205, the handle 205 is rotatably connected with the inner wall of the pipeline 1, and the handle 205 is slidably connected with the sealing cover 202; a water outlet 206, wherein the bottom of the pipeline 1 is provided with the water outlet 206; the memory alloy 207, the inner wall of the pipeline 1 is fixed with the memory alloy 207, when the night temperature is low to the quick freezing point, the memory alloy 207 contracts, the pawl is not limited to the ratchet 204 any more, the scroll spring drives the ratchet 204 to rotate, the ratchet 204 drives the gear 203 to rotate, the gear 203 drives the sealing cover 202 to rotate, the sealing cover 202 is opened, water slowly and slightly flows out through the small through hole 201 and the water outlet 206, the flowing water is difficult to freeze, the freezing prevention effect is achieved, the temperature rises to be higher than the freezing point, the memory alloy 207 returns, the handle 205 is screwed by hands, the handle 205 drives the sealing cover 202 to rotate back, the sealing cover 202 drives the gear 203 to rotate, the gear 203 drives the ratchet 204 to rotate, the ratchet 204 holds the scroll spring, the pawl on the memory alloy 207 limits the ratchet 204, the repeated use of the device is achieved, the middle part of the sealing cover 202 is provided with threads, the gear ring is fixed at the bottom of the sealing cover 202, the middle part of the handle 205 is fixed with the circular ring boss, the pawl is fixed on the right side of the memory alloy 207, the pawl is meshed with the ratchet 204, the sealing cover 202 is meshed with the gear 203, and the handle 205 penetrates through the inner wall of the pipeline 1.

When the anti-freezing device is in operation (or in use), in the middle region, when the night temperature is low to a quick freezing point, the memory alloy 207 contracts, the pawl does not limit the ratchet 204 any more, the spiral spring drives the ratchet 204 to rotate, the ratchet 204 drives the gear 203 to rotate, the gear 203 drives the sealing cover 202 to rotate, the sealing cover 202 is opened, water slowly and finely flows out through the small through hole 201 and passes through the water outlet 206, the flowing water is difficult to freeze, and the anti-freezing effect is realized;

when the temperature rises to the freezing point in the morning, the memory alloy 207 returns, the handle 205 is screwed by hand, the handle 205 drives the sealing cover 202 to rotate and return, the sealing cover 202 drives the gear 203 to rotate, the gear 203 drives the ratchet 204 to rotate, the ratchet 204 holds the force of the spiral spring, and the pawl on the memory alloy 207 limits the ratchet 204, so that the device can be reused.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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

1. An anti-corrosion high-toughness stainless steel threaded pipe comprises a pipeline (1), and is characterized in that: a drainage mechanism (2) is arranged on the inner wall of the pipeline (1), and the drainage mechanism (2) comprises:

the small through holes (201) are formed in the inner wall of the pipeline (1);

the top of the sealing cover (202) is in threaded connection with the inner wall of the pipeline (1);

a gear (203), the bottom of the gear (203) is fixed with a ratchet wheel (204);

the ratchet wheel (204), the ratchet wheel (204) is fixed with one end of the scroll spring, and one end of the scroll spring far away from the ratchet wheel (204) is fixed with the inner wall of the pipeline (1);

the handle (205) is rotationally connected with the inner wall of the pipeline (1), and the handle (205) is slidably connected with the sealing cover (202);

a water outlet (206), wherein the bottom of the pipeline (1) is provided with the water outlet (206);

and the memory alloy (207), the inner wall of the pipeline (1) is fixed with the memory alloy (207).

2. An anti-corrosion high-toughness stainless steel threaded pipe according to claim 1, characterized in that: the top of sealed lid (202) is provided with the screw thread, the middle part of sealed lid (202) is fixed with the ring gear, the hole groove has been seted up to the bottom of sealed lid (202).

3. An anti-corrosion high-toughness stainless steel threaded pipe according to claim 1, characterized in that: the middle part of the handle (205) is fixed with a circular ring bulge.

4. An anti-corrosion high-toughness stainless steel threaded pipe according to claim 1, characterized in that: a pawl is fixed on the right side of the memory alloy (207), and the pawl is meshed with the ratchet wheel (204).

5. An anti-corrosion high-toughness stainless steel threaded pipe according to claim 1, characterized in that: the sealing cover (202) is meshed with the gear (203).

6. An anti-corrosion high-toughness stainless steel threaded pipe according to claim 1, characterized in that: the handle (205) penetrates through the inner wall of the pipeline (1).