Stainless steel joint with wear-resistant sealing surface

Abstract

The utility model belongs to the technical field of joints, and particularly relates to a stainless steel joint with an anti-abrasion sealing surface, which comprises a body, the sheath is arranged on the screwed joint; the protective sleeve is arranged to protect the threaded connector on the body, so that reduction of mechanical abrasion between the threaded connector and an external connecting piece is facilitated, and the service life is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of joint, especially relates to a stainless steel joint of sealing surface anti -wear. BACKGROUND

[0002] The stainless steel joint usually refers to the joint structure made of stainless steel, and the matching surface of the existing joint directly collides with the matching surface on the external connecting piece during use, which leads to easy wear, especially the joint is usually used for pipeline connection with high sealing requirement, therefore we specially design a stainless steel joint of sealing surface anti -wear. UTILITY MODEL CONTENTS

[0003] The utility model discloses a stainless steel joint of sealing surface anti -wear, which can prolong the service life.

[0004] Therefore, the utility model provides a stainless steel joint of sealing surface anti -wear, which comprises:

[0005] A body is provided with threaded ends at both ends;

[0006] A sheath is arranged on the threaded end.

[0007] In the above technical scheme, further comprising:

[0008] An extension protrusion is arranged on the end face of the threaded end;

[0009] The sheath is connected with the extension protrusion.

[0010] In the above technical scheme, further, the sheath comprises:

[0011] A contact frame body is circular, and an opening is arranged on the contact frame body;

[0012] A fixed frame body is arranged on the inner opening edge of the contact frame body, and a positioning protrusion is arranged on the inner side of the fixed frame body; the extension protrusion is provided with a clamping groove corresponding to the positioning protrusion.

[0013] In the above technical scheme, further comprising:

[0014] A fixed protrusion is arranged on the end of the positioning protrusion away from the contact frame body;

[0015] The clamping groove is provided with a recess corresponding to the fixed protrusion.

[0016] In the above technical scheme, further comprising:

[0017] A deformation groove is arranged on the wall surface of the fixed frame body.

[0018] In the above technical solution, further comprising:

[0019] The wear-resistant protrusion is arranged on the side end face of the abutting frame body away from the fixed frame body.

[0020] In the above technical solution, further comprising:

[0021] The sealing sleeve is arranged outside the sheath and is provided with a filling protrusion corresponding to the deformation groove.

[0022] In the above technical solution, further, the abutting frame body and the fixed frame body are relatively independent and are fixed by adhesive.

[0023] The utility model discloses a body is provided with the thread end, and the thread end is provided with the sheath, and the sheath is provided with the abutting frame body and the fixed frame body. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is the structural schematic diagram of the utility model;

[0025] Figure 2 It is the structural explosion drawing of the utility model;

[0026] The mark in the drawing indicates: 1, the body; 2, the thread end; 3, the sheath; 31, the abutting frame body; 311, the opening; 32, the fixed frame body; 321, the positioning protrusion; 3211, the fixed protrusion; 4, the extension protrusion; 41, the clamping groove; 411, the sink groove; 5, the deformation groove; 6, the wear-resistant protrusion; 7, the sealing sleeve. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art belong to the scope of protection of the present application.

[0028] Embodiment 1:

[0029] The embodiment provides a stainless steel joint with wear-resistant sealing surface, which comprises:

[0030] The body 1 is provided with the thread end 2 at both ends;

[0031] The sheath 3 is arranged on the thread end 2.

[0032] The embodiment can be seen that a stainless steel joint with wear-resistant sealing surface comprises a body 1 and a sheath 3;

[0033] The body 1 is formed with threaded ends 2 at both ends, and the sheath 3 is installed on the threaded ends 2 and protects the mating surface of the threaded ends 2 and the external connecting piece during the mating process of the threaded ends 2 and the external connecting piece;

[0034] By setting the sheath 3 to protect the threaded ends 2 on the body 1, the mechanical wear between the threaded ends 2 and the external connecting piece is reduced, thereby prolonging the service life.

[0035] Embodiment 2:

[0036] The embodiment provides a stainless steel joint with a wear-resistant sealing surface, which further has the following technical features in addition to the technical solutions of the above embodiments.

[0037] The extension protrusion 4 is arranged on the end face of the threaded end 2.

[0038] The sheath 3 is connected with the extension protrusion 4.

[0039] It can be seen from the embodiment that the extension protrusion 4 is arranged on the end face of the threaded end 2, which facilitates the connection between the body 1 and the sheath 3 and reduces the influence of the sheath 3 on the connection and mating during the mating process of the threaded end 2 and the external connecting piece.

[0040] Embodiment 3:

[0041] The embodiment provides a stainless steel joint with a wear-resistant sealing surface, which further has the following technical features in addition to the technical solutions of the above embodiments.

[0042] The sheath 3 comprises:

[0043] The abutting frame body 31 is circular, and the abutting frame body 31 is provided with an opening 311.

[0044] The fixed frame body 32 is arranged on the inner side opening 311 edge of the abutting frame body 31, and the inner side of the fixed frame body 32 is provided with a positioning protrusion 321, and the extension protrusion 4 is provided with a clamping groove 41 corresponding to the positioning protrusion 321.

[0045] It can be seen from the embodiment that the sheath 3 comprises the abutting frame body 31 and the fixed frame body 32.

[0046] The abutting frame body 31 is circular, and the abutting frame body 31 is provided with a circular opening 311 on the end face, further, the diameter of the opening 311 is the same as the inner port diameter of the extension protrusion 4, and the diameter of the abutting frame body 31 is the same as the outer diameter of the extension protrusion 4, so that the abutting frame body 31 completely covers the end face of the extension protrusion 4 during use, thereby protecting the end face of the extension protrusion 4.

[0047] The fixed frame body 32 is in a cylindrical shape and is formed on one side wall of the abutting frame body 31, and further, a positioning protrusion 321 is formed on the inner side wall of the fixed frame body 32, and a clamping groove 41 is formed on the extension protrusion 4, and in use, after the fixed frame body 32 cooperates with the extension protrusion 4, the positioning protrusion 321 and the clamping groove 41 are limited, so as to prevent the fixed frame body 32 from moving due to vibration during work after the joint cooperates with the external connecting piece, which affects the connection effect of the connection surface.

[0048] Embodiment 4:

[0049] The embodiment provides a stainless steel joint with a wear-resistant sealing surface, which comprises the technical solutions of the above-mentioned embodiments and has the following technical features.

[0050] The fixed protrusion 3211 is arranged on the end of the positioning protrusion 321 away from the abutting frame body 31.

[0051] The clamping groove 41 is provided with a recess 411 corresponding to the fixed protrusion 3211.

[0052] It can be seen from the embodiment that the fixed protrusion 3211 is arranged on the end of the positioning protrusion 321 away from the abutting frame body 31, and the recess 411 is arranged on the clamping groove 41.

[0053] The fixed protrusion 3211 and the recess 411 are in interference fit, so that the connection between the fixed frame body 32 and the extension protrusion 4 is stable.

[0054] Embodiment 5:

[0055] The embodiment provides a stainless steel joint with a wear-resistant sealing surface, which comprises the technical solutions of the above-mentioned embodiments and has the following technical features.

[0056] The deformation groove 5 is arranged on the wall surface of the fixed frame body 32.

[0057] It can be seen from the embodiment that the deformation groove 5 enables the fixed frame body 32 to have a certain deformation ability, so that the fixed protrusion 3211 can be fitted into the recess 411 during the connection of the fixed frame body 32 and the extension protrusion 4, thereby facilitating assembly.

[0058] Embodiment 6:

[0059] The embodiment provides a stainless steel joint with a wear-resistant sealing surface, which comprises the technical solutions of the above-mentioned embodiments and has the following technical features.

[0060] The wear-resistant protrusion 6 is arranged on the side end surface of the abutting frame body 31 away from the fixed frame body 32.

[0061] The embodiment can be seen that the wear-resistant protrusion 6 is formed on the side end face of the abutting frame body 31 away from the fixed frame body 32, and in use, the wear-resistant protrusion 6 will abut between the connecting surface of the external connecting piece directly, thereby prolonging the service life.

[0062] Embodiment 7:

[0063] The embodiment provides a stainless steel joint with wear-resistant sealing surface, in addition to the technical solutions of the above-mentioned embodiments, further has the following technical features.

[0064] The sealing sleeve 7 is arranged outside the sheath 3 and is provided with a filling protrusion corresponding to the deformation groove 5.

[0065] The embodiment can be seen that the sealing sleeve 7 arranged outside the sheath 3 can fill the deformation groove 5, and the sealing sleeve 7 can fill and seal the fitting gap during cooperation of the threaded end 2 and the external connecting piece.

[0066] Embodiment 8:

[0067] The embodiment provides a stainless steel joint with wear-resistant sealing surface, in addition to the technical solutions of the above-mentioned embodiments, further has the following technical features.

[0068] The abutting frame body 31 and the fixed frame body 32 are relatively independent and are fixed by adhesive.

[0069] The embodiment can be seen that the abutting frame body 31 and the fixed frame body 32 are both single individuals and are fixed by adhesive, and the abutting frame body 31 and the fixed frame body 32 are arranged as single individuals to facilitate production and preparation.

[0070] The embodiments of the application are described above in combination with the drawings, and the embodiments and the features in the embodiments in the application can be combined with each other without conflict, the application is not limited to the above-mentioned specific embodiments, the above-mentioned specific embodiments are only illustrative, not restrictive, and those skilled in the art can make many forms under the inspiration of the application without departing from the purpose of the application and the scope protected by the claims, all of which belong to the protection of the application.

Claims

1. A stainless steel joint having a sealing surface which is resistant to wear, characterized in that, The utility model relates to a kind of threaded rod, including: Main body (1), the main body (1) is provided with threaded end (2) at both ends; Jacket (3), the jacket (3) is provided on threaded end (2).

2. A stainless steel fitting with a wear resistant seal surface according to claim 1, further characterized by Including: Extension protrusion (4), the extension protrusion (4) is provided on the end surface of threaded end (2); Wherein, the jacket (3) is connected with extension protrusion (4).

3. A stainless steel joint having a sealing surface for preventing abrasion according to claim 2, wherein Jacket (3) includes: Resistant frame body (31), the resistant frame body (31) is circular, and the resistant frame body (31) is provided with opening (311); Fixed frame body (32), the fixed frame body (32) is provided on the inside opening (311) edge of resistant frame body (31), and the inside of fixed frame body (32) is provided with positioning protrusion (321), and the extension protrusion (4) is provided with card slot (41) corresponding positioning protrusion (321).

4. A stainless steel fitting with a wear resistant seal surface according to claim 3, further characterized by Including: Fixed protrusion (3211), the fixed protrusion (3211) is provided on the end of positioning protrusion (321) away from resistant frame body (31); Wherein, the card slot (41) is provided with sunken groove (411) corresponding fixed protrusion (3211).

5. A stainless steel fitting with a wear resistant seal surface according to claim 4, further characterized by Including: Deformation groove (5), the deformation groove (5) is provided on the wall surface of fixed frame body (32).

6. A stainless steel fitting with a wear resistant seal surface according to claim 5, further characterized by Including: Wear-resistant protrusion (6), the wear-resistant protrusion (6) is provided on the side end surface of resistant frame body (31) away from fixed frame body (32).

7. A stainless steel fitting with a wear resistant seal surface according to claim 6 further characterized by Including: Sealing sleeve (7), the sealing sleeve (7) is provided on the outside of jacket (3), and is provided with filling protrusion corresponding deformation groove (5).

8. A stainless steel fitting with a wear resistant seal surface according to claim 7, characterized in that The resistant frame body (31) and fixed frame body (32) are relatively independent, and are fixed by glue.

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