CN216867824U - Stainless steel water heating pipe fitting - Google Patents

Abstract

The utility model discloses a stainless steel water heating pipe fitting which comprises a pipe fitting body and a connecting flange, wherein a clamping and pressing convex ring is formed at the position, close to one end of the pipe fitting body, of the outer peripheral wall of the pipe fitting body, a connecting pipe section is arranged on the connecting flange, the connecting pipe section extends along the axial direction of the connecting pipe section back to the connecting flange and is gradually reduced and arranged on the outer peripheral wall of the connecting pipe section to form a butting face, the diameter of the end, back to the connecting flange, of the connecting pipe section is smaller than that of a channel of the pipe fitting body, and a welding inclined face is formed at the end, far away from the clamping and pressing convex ring, of the pipe fitting body. The utility model has the following advantages and effects: the utility model has better universality and stronger practicability.

Description

Stainless steel water heating pipe fitting

Technical Field

The utility model relates to a pipe fitting, in particular to a stainless steel water heating pipe fitting.

Background

The stainless steel pipe fitting belongs to one of the pipe fittings, and is made of stainless steel materials, so called stainless steel pipe fitting, and it includes: stainless steel elbow, stainless steel tee bend, stainless steel cross, stainless steel reducing pipe, stainless steel pipe cap etc.. The stainless steel pipe fitting has wide application and is applied in various fields. Different connecting structures are arranged at the two ends of the pipe fitting respectively according to different connecting modes to match, wherein the connecting structures comprise clamping rings, connecting flanges, clamping grooves and the like.

The existing stainless steel pipe fitting comprises a pipe fitting body, a clamping and pressing ring formed on the pipe fitting body and close to one end of the pipe fitting body, and a connecting flange fixedly arranged at the other end of the pipe fitting body. According to different connection working conditions, the specifications of the clamping and pressing ring and the connecting flange which meet the working conditions at the same time are selected. Because the existing stainless steel pipe fittings are all integrated, when one specification is not matched, the whole stainless steel pipe fitting can only be replaced. In addition, some non-standard installation working conditions and some special installation positions are difficult to find stainless steel pipe fittings with two ends meeting the working conditions in the market; if the stainless steel pipe fittings with two ends capable of meeting special working conditions are to be produced, the specifications of the stainless steel pipe fittings are numerous, the production cost of the special stainless steel pipe fittings is extremely high, and the market sales prospect is poor, so that the existing stainless steel pipe fittings are poor in universality and low in practicability.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a stainless steel water heating pipe fitting which is better in universality and higher in practicability.

The technical purpose of the utility model is realized by the following technical scheme: a stainless steel water heating pipe fitting comprises a pipe fitting body and a connecting flange, wherein a clamping convex ring is formed at the position, close to one end of the pipe fitting body, of the outer peripheral wall of the pipe fitting body, a connecting pipe section is arranged on the connecting flange, the connecting pipe section extends along the axial direction of the connecting pipe section back to the connecting flange and is gradually reduced in diameter to form a butt joint face on the outer peripheral wall of the connecting pipe section, the diameter of one end, back to the connecting flange, of the connecting pipe section is smaller than that of a channel of the pipe fitting body, and a welding inclined plane is formed at one end, far away from the clamping convex ring, of the pipe fitting body.

By adopting the technical scheme, when the connection between two pipelines is realized, the pipe fitting body with the same diameter as one pipeline is selected, and the clamp connection between the pipe fitting body and the pipeline is realized through the clamping and pressing convex ring arranged on the pipe fitting body; and selecting the same connecting flange as the other pipeline, and realizing flange connection with the pipeline through the connecting flange. And then the connecting pipe section is inserted into the channel of the pipe fitting body and tightly abutted against the channel, and finally the welding sealing between the connecting pipe section and the channel is realized through the formed welding inclined plane, and the contact area between the connecting pipe section and the welding liquid is increased by the formation of the welding inclined plane, so that the better sealing performance and the stronger connection strength can be achieved. This kind of setting up mode of components of a whole that can function independently makes the butt joint end of pipe fitting correspond the selection respectively according to the demand, need not to satisfy two kinds of butt joint demands simultaneously on a main part, and the selectivity is wider to greatly reduced the production kind and the manufacturing cost of pipe fitting. The pipe fitting body of the connecting flange of the same specification can be butted with pipe fittings of different diameters through the formed butting pipe section, so that the pipe fittings are not required to be processed into different special-shaped shapes which simultaneously meet two butting requirements, the production cost is greatly reduced, and the pipe fitting butt joint device has better universality and practicability.

Further setting the following steps: the welding inclined plane extends towards one side of the clamping convex ring and is arranged in an outwards gradually inclined mode, one end, back to the connecting flange, of the connecting pipe section is provided with an elastic drainage ring, a locking assembly is connected between the drainage ring and the connecting pipe section, and when the connecting pipe section is inserted into the pipe fitting body, the drainage ring abuts against the channel wall of the pipe fitting body.

Through adopting above-mentioned technical scheme, the mode of setting up that slopes gradually has further increased the area of contact of welding inclined plane with the welding liquid and has reduced the outside arch that the welding liquid formed, need not to carry out the secondary processing of making level to the welding position, has reduced artificial work load. The arrangement of the diversion ring is used for guiding the medium to flow, and reducing the vibration and noise generated in the flowing process of the medium, so that the service life of the pipe fitting is prolonged. And the arrangement of the drainage ring can avoid the impact of media in the flow on the welding position, so as to ensure the structural strength of the welding position of the pipe fitting.

Further setting the following steps: the diversion ring extends along the axial direction of the diversion ring back to the connecting flange and is gradually flared, and the locking assembly is positioned on the periphery of the connecting pipe section.

By adopting the technical scheme, the shape of the gradually flared opening enables the drainage ring to have the best drainage effect on the medium, the impact of the medium on the drainage ring is reduced to the maximum extent, and the vibration and the noise are reduced to the minimum. When the drainage ring is produced, the drainage ring is processed to the maximum size, so that the drainage ring can be cut according to different diameters of the connecting pipe fitting body; and the drainage ring made of elastic material is more convenient to mount through elastic deformation, and can better abut against the runner wall of the pipe fitting body, and the elastic material has the functions of vibration reduction and noise reduction. Set up locking Assembly in the periphery of connecting the pipeline section and avoid contacting with the medium, extension locking Assembly's life.

Further setting the following steps: the drainage ring is sleeved on the periphery of the connecting pipe section, an extension ring which is abutted against the end face of the connecting pipe section extends from the drainage ring, and the extension ring is arranged in an arc transition mode back to the end face of the connecting pipe section and the drainage ring.

Through adopting above-mentioned technical scheme, extend ring cooperation connecting pipe section terminal surface and play spacing installation and sealed effect to the drainage ring of installation, promote the installation steadiness of drainage ring and the leakproofness between the two. The excessive setting of arc makes the medium can be more smooth in the process of flowing through the drainage ring, further reduces the noise and the formation of vibration.

Further setting as follows: the locking assembly comprises a hose clamp for connecting the drainage ring and the connecting pipe section.

Through adopting above-mentioned technical scheme, the larynx hoop encircles the drainage and fixes in the coupling pipe section to this realizes convenient fixed between the two.

Further setting as follows: the clamping convex ring is surrounded by a sealing gasket, and the sealing gasket is attached to the clamping convex ring and fixedly connected with the clamping convex ring and the sealing gasket.

Through adopting above-mentioned technical scheme, sealed the leakproofness that sets up the increase junction of sealed pad and elastic sealed pad can also play the damping effect to hookup location, avoids the junction to produce because of the vibration wearing and tearing not hard up.

Further setting the following steps: and a sealing ring is arranged on one end face of the connecting flange back to the connecting pipe section, and an embedding groove is formed on the sealing ring.

Through adopting above-mentioned technical scheme, the area of contact between the butt flange embedding caulking groove increase and the sealing washer promotes the sealing performance of butt joint department.

In conclusion, the utility model has the following beneficial effects: the utility model has better universality and stronger practicability.

Drawings

FIG. 1 is a sectional view of the embodiment;

fig. 2 is an enlarged view of a portion a in fig. 1.

In the figure: 1. a tube body; 2. a connecting flange; 3. clamping and pressing the convex ring; 4. connecting the pipe sections; 5. a butt joint surface; 6. welding an inclined plane; 7. a drainage ring; 8. an extension ring; 9. a hose clamp; 10. a gasket; 11. a seal ring; 12. and (4) caulking grooves.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, the stainless steel water heating pipe fitting comprises a pipe fitting body 1 and a connecting flange 2, wherein a clamping and pressing convex ring 3 is formed on the outer peripheral wall of the pipe fitting body 1 close to one end of the pipe fitting body, a connecting pipe section 4 is arranged on the connecting flange 2, and the connecting flange 2 and the connecting pipe section 4 are integrally arranged. The connecting pipe section 4 extends along the axial direction of the connecting pipe section back to the connecting flange 2 and is gradually reduced in diameter and arranged on the peripheral wall of the connecting pipe section to form a butt joint surface 5, the diameter of one end, back to the connecting flange 2, of the connecting pipe section 4 is smaller than that of a channel of the pipe body 1, and a welding inclined surface 6 is formed at one end, far away from the clamping and pressing convex ring 3, of the pipe body 1. The welding inclined plane 6 extends towards one side of the clamping convex ring 3 and is gradually inclined outwards.

One end of the connecting pipe section 4, which is back to the connecting flange 2, is provided with an elastic drainage ring 7, a locking component is connected between the drainage ring 7 and the connecting pipe section 4, and when the connecting pipe section 4 is inserted into the pipe fitting body 1, the drainage ring 7 is abutted against the channel wall of the pipe fitting body 1. The drainage ring 7 extends back to the connecting flange 2 along the axial direction and is gradually flared, the periphery of the connecting pipe section 4 is sleeved with the drainage ring 7, and the locking assembly is positioned on the periphery of the drainage ring 7. An extension ring 8 abutting against the end face of the connecting pipe section 4 extends from the drainage ring 7, and the extension ring 8 is arranged in an arc transition way back to one end face of the connecting pipe section 4 and the drainage ring 7. The locking assembly comprises a throat band 9 connecting the bleed ring 7 to the connecting tube section 4. The clamping convex ring 3 is surrounded by a sealing gasket 10, and the sealing gasket 10 is attached to the clamping convex ring 3 and fixedly connected with the clamping convex ring 3 and the sealing gasket. A sealing ring 11 is fixedly arranged on one end face, back to the connecting pipe section 4, of the connecting flange 2, an embedding groove 12 is formed in the sealing ring 11, and the sealing gasket 10, the sealing ring 11 and the drainage ring 7 are all made of rubber.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications without inventive contribution to the present embodiment as required after reading the present specification, but all of them are protected by patent law within the scope of the present invention.

Claims (7)

1. The utility model provides a stainless steel hot-water heating pipe fitting, includes pipe fitting body (1) and flange (2), pipe fitting body (1) periphery wall is formed with card pressure bulge loop (3) near its position of one end wherein, its characterized in that: the connecting pipe is characterized in that a connecting pipe section (4) is arranged on the connecting flange (2), the connecting pipe section (4) extends along the axial direction of the connecting pipe section and back to the connecting flange (2) and is gradually reduced to be arranged on the peripheral wall of the connecting pipe section to form a butt joint face (5), the diameter of one end, back to the connecting flange (2), of the connecting pipe section (4) is smaller than that of a channel of the pipe body (1), and a welding inclined face (6) is formed at one end, far away from the clamping and pressing convex ring (3), of the pipe body (1).

2. The stainless steel heating pipe fitting of claim 1, characterized in that: welding inclined plane (6) are towards card pressure bulge loop (3) one side extension and outside slope setting gradually, connection pipeline section (4) are equipped with elastic drainage ring (7) dorsad flange (2) one end, be connected with locking Assembly between drainage ring (7) and connection pipeline section (4), work as when connection pipeline section (4) insert pipe fitting body (1), drainage ring (7) support tightly in the passageway wall of pipe fitting body (1).

3. The stainless steel heating pipe fitting of claim 2, wherein: the flow guide ring (7) extends along the axial direction of the flow guide ring and back to the connecting flange (2) and is gradually flared, and the locking assembly is positioned on the periphery of the connecting pipe section (4).

4. The stainless steel plumbing fitting of claim 3, wherein: the periphery of the connecting pipe section (4) is sleeved with the drainage ring (7), the drainage ring (7) is extended with an extension ring (8) which is propped against the end face of the connecting pipe section (4), and the extension ring (8) is arranged in an arc transition mode between the end face of the connecting pipe section (4) back to the drainage ring (7).

5. The stainless steel heating pipe fitting of claim 2, characterized in that: the locking assembly comprises a hose clamp (9) which is connected with the drainage ring (7) and the connecting pipe section (4).

6. The stainless steel heating pipe fitting of claim 1, characterized in that: the card is pressed protruding ring (3) and is surrounded sealed the pad (10), sealed pad (10) laminate in card press protruding ring (3) and fixed connection between the two.

7. The stainless steel heating pipe fitting of claim 1, characterized in that: a sealing ring (11) is arranged on one end face, back to the connecting pipe section (4), of the connecting flange (2), and an embedding groove (12) is formed in the sealing ring (11).

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