Stainless steel lining elbow

Abstract

Stainless steel linings are fixedly installed on the other sides of the inner walls of a water inlet pipe and a water outlet pipe and the inner walls of the water inlet pipe and the water outlet pipe, a stainless steel thick sheet and the stainless steel linings are integrally formed, a vertical groove is formed in the stainless steel thick sheet, and an opening of the vertical groove faces an elbow body. Sealing blocks are connected into the vertical grooves in a sliding mode, and stainless steel arc pieces are fixedly connected between the sealing blocks. According to the stainless steel lining elbow, the sealing block and the stainless steel arc piece are adopted to replace a diaphragm, durability is higher, when the stainless steel arc piece is impacted by water flow, the arc springs on the two sides are stretched, the interval between the stainless steel arc piece and the inner side wall of the elbow is changed, the water flow speed is reduced, the strength of the elbow is improved, and the service life of the elbow is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of pipe fitting elbow processing, specifically to a stainless steel lining elbow. BACKGROUND

[0002] The elbow is a kind of connecting pipe fitting commonly used in water heating installation, is used to connect the turning of pipeline, is used to change the direction of pipeline, and the current elbow inner diameter is equal to the inner diameter of inlet pipe, when water flow changes direction in elbow, flow velocity will accelerate, and elbow outer side wall will be impacted by water flow, accelerates the wear rate of elbow outer side wall, makes that the service life of elbow shortens, and the impurities such as particulate in water flow will adhere to the inner wall of elbow when changing direction, when the elbow is blocked.

[0003] Such as the publication number: CN208859191U, "a high-strength lining stainless steel pipe fitting elbow", including elbow main part, elbow main part is formed by the integral forming of elbow inner side wall and elbow outer side wall, one end of elbow main part is connected to one end of inlet pipe, the other end of elbow main part is connected to one end of outlet pipe, the outer wall of the other end of inlet pipe and outlet pipe is installed flange piece, the inner wall of elbow inner side wall, inlet pipe and outlet pipe is installed stainless steel lining, the end face of elbow outer side wall is installed connecting ring, the inner wall of connecting ring is installed diaphragm, the elbow outer side wall is opened and has connecting port, the connecting port is connected with connecting sleeve, and adjusting mechanism is installed in connecting sleeve. The above patent changes the curvature radius of diaphragm to reduce water flow impact force, and the diaphragm is fixedly connected with the connecting ring in the pipe, so it can be inferred that the diaphragm is a soft elastic material, and the durability of this kind of material is not high, so the service life of elbow is not high.

[0004] In order to solve the above problems, the case is born. INVENTION CONTENTS

[0005] (I) technical problem solved

[0006] The utility model aims at providing a stainless steel lining elbow to solve the problems in the above background art.

[0007] (II) technical scheme

[0008] In order to achieve the above object, the utility model discloses a stainless steel lining elbow through the following technical schemes to be realized: a stainless steel lining elbow, including elbow main part, the elbow main part is formed by the integral forming of elbow inner side wall and elbow outer side wall, the elbow main part is the eccentric structure of variable diameter, the diameter of the elbow inner side wall is less than the diameter of the elbow outer side wall, one end of the elbow main part is fixedly connected with one end of the water inlet pipe, the other end of the elbow main part is fixedly connected with one end of the water outlet pipe, the outer wall of the other end of the water inlet pipe and the water outlet pipe is fixedly installed flange piece, the inner wall of the water inlet pipe and the water outlet pipe is fixedly installed stainless steel thick piece on the side close to the elbow outer side wall, the other side of the inner wall of the water inlet pipe and the water outlet pipe and the inner wall of the water inlet pipe and the water outlet pipe are fixedly installed stainless steel lining, the stainless steel thick piece and stainless steel lining are integrally formed, the stainless steel thick piece is provided with vertical groove, the vertical groove opening is opposite the elbow main part, the vertical groove is slidably connected with sealing block, the sealing block is fixedly connected with stainless steel arc piece between.

[0009] Preferably, the vertical groove is provided with an arc spring, one end of the arc spring is fixedly connected with the bottom of the vertical groove, the other end is fixedly connected with the sealing block, when the arc spring is not stressed, half length of the sealing block is located in the vertical groove, the other half is located outside the vertical groove.

[0010] Preferably, the vertical groove opening inner wall is provided with limit grooves at equal intervals, and limit protrusions are correspondingly arranged on the sealing block.

[0011] Preferably, the sealing block has a deformation capacity.

[0012] (Three) beneficial effects

[0013] After the above technical scheme is adopted, compared with the prior art, the utility model has the following advantages: the utility model discloses a stainless steel lining elbow, adopts sealing block and stainless steel arc piece to replace diaphragm, and the durability is higher, when the stainless steel arc piece is impacted by water flow, the arc spring on both sides is stretched, the interval between the stainless steel arc piece and the elbow inner side wall is changed, the water flow speed is reduced, and the elbow strength and service life are improved. ACCURACY OF DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model;

[0015] Figure 2 It is a schematic diagram of integrally formed stainless steel lining and sealing block;

[0016] In the drawing: 1 water inlet pipe, 2 elbow main part, 21 elbow inner side wall, 22 elbow outer side wall, 3 water outlet pipe, 4 flange piece, 5 stainless steel thick piece, 51 vertical groove, 52 limit groove, 6 stainless steel lining, 7 sealing block, 71 limit protrusion, 8 stainless steel arc piece, 9 arc spring. DETAILED DESCRIPTION

[0017] The utility model is further described in detail below with reference to the drawings and examples.

[0018] The utility model discloses an embodiment provides a kind of stainless steel lining elbow, as shown in Fig. Figures 1-2 It is shown in Fig. 2, including elbow main body 2, elbow main body 2 is integrally formed by elbow inner side wall 21 and elbow outer side wall 22, elbow main body 2 is variable-diameter eccentric structure, the diameter of elbow inner side wall 21 is less than the diameter of elbow outer side wall 22, one end of elbow main body 2 is fixedly connected with one end of water inlet pipe 1, the other end of elbow main body 2 is fixedly connected with one end of water outlet pipe 3, the outer wall of the other end of water inlet pipe 1 and water outlet pipe 3 is fixedly installed flange sheet 4, stainless steel thick sheet 5 is fixedly installed on the side of the inner wall of water inlet pipe 1 and water outlet pipe 3 close to elbow outer side wall 22, the other side of the inner wall of water inlet pipe 1 and water outlet pipe 3 and the inner wall of water inlet pipe 1 and water outlet pipe 3 are fixedly installed stainless steel lining 6, stainless steel thick sheet 5 and stainless steel lining 6 are integrally formed, stainless steel thick sheet 5 is provided with vertical groove 51, the opening of vertical groove 51 is opposite to elbow main body 2, sealing block 7 is slidably connected in vertical groove 51, sealing block 7 has certain deformation capacity, but its deformation capacity is limited, stainless steel arc sheet 8 is fixedly connected between sealing block 7, stainless steel arc sheet 8 has certain bending capacity, elbow main body is variable-diameter eccentric structure, the diameter of elbow inner side wall 21 is less than the diameter of elbow outer side wall 22, so that the closed chamber is formed between stainless steel arc sheet 8 and elbow outer side wall 22.

[0019] Sealing block 7 and stainless steel arc sheet 8 replace diaphragm, which has higher durability, when stainless steel arc sheet 8 is impacted by water flow, arc-shaped spring 9 on both sides is compressed, which changes the position of stainless steel arc sheet 8 and the distance between stainless steel arc sheet 8 and elbow inner side wall 21, so that the flow rate of water flow is reduced, and the strength and service life of elbow are improved.

[0020] Referring to Fig. 1, Figure 1 Referring to Fig. 1,

[0021] Referring to Fig. 1, Figure 2 Limiting groove 52 is arranged at the inner wall of the opening of vertical groove 51 at equal intervals, limiting protrusion 71 is arranged on sealing block 7 correspondingly, limiting protrusion 71 slides in limiting groove 52, the cooperation between limiting protrusion 71 and limiting groove 52 makes sealing block 7 not come out of vertical groove 51.

[0022] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments can be changed, modified, replaced and transformed in many ways without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A stainless steel lining elbow, comprising an elbow body (2) formed integrally by an elbow inner side wall (21) and an elbow outer side wall (22), the elbow body (2) being a variable-diameter eccentric structure, the diameter of the elbow inner side wall (21) being smaller than that of the elbow outer side wall (22), one end of the elbow body (2) being fixedly connected to one end of an inlet pipe (1), the other end of the elbow body (2) being fixedly connected to one end of an outlet pipe (3), the other end outer wall of the inlet pipe (1) and the outlet pipe (3) each being fixedly installed with a flange sheet (4), characterized in that: The inner wall of the water inlet pipe (1) and the water outlet pipe (3) is fixedly installed with a stainless steel thick sheet (5) on one side close to the outer side wall (22) of the elbow, and the other side of the inner wall of the water inlet pipe (1) and the water outlet pipe (3) and the inner wall of the water inlet pipe (1) and the water outlet pipe (3) are fixedly installed with a stainless steel lining (6), the stainless steel thick sheet (5) and the stainless steel lining (6) are integrally formed, the stainless steel thick sheet (5) is provided with a vertical groove (51), the vertical groove (51) is open to the elbow body (2), the vertical groove (51) is slidably connected with a sealing block (7), and the stainless steel arc sheet (8) is fixedly connected between the sealing blocks (7).

2. A stainless steel lined elbow according to claim 1, characterized in that: The vertical groove (51) is provided with an arc spring (9), one end of the arc spring (9) is fixedly connected with the bottom of the vertical groove (51), the other end is fixedly connected with the sealing block (7), and when the arc spring (9) is not stressed, one half of the length of the sealing block (7) is located in the vertical groove (51) and the other half is located outside the vertical groove (51).

3. A stainless steel lined elbow according to claim 2, characterised in that: Limiting grooves (52) are arranged at equal intervals at the opening inner wall of the vertical groove (51), and limiting protrusions (71) are correspondingly arranged on the sealing block (7).

4. A stainless steel lined elbow according to claim 1, characterized in that: The sealing block (7) has a deformation capacity.

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