A corrosion-resistant joint

Abstract

The utility model discloses a corrosion-resistant joint, comprising a connecting body, a tap joint 1 fixedly connected to the left side of the connecting body, a tap joint 2 fixedly connected to the right side of the connecting body, an extension pipe fixedly connected to the bottom end of the connecting body, a tap joint 3 arranged at the bottom end of the extension pipe, sliding sleeves arranged outside the tap joint 1 and the tap joint 2, a connecting pipe fixedly connected to the top end of the tap joint 3, a flange 2 fixedly connected to the outside of the tap joint 3, a flange 1 fixedly connected to the outside of the extension pipe, more than one set of filter screens arranged inside the connecting body, an elastic ring fixedly connected to the inside of the filter screen, a sealing ring 1 fixedly connected to the inside of the extension pipe, a sealing ring 2 fixedly connected to the inside of the flange 2, a first fixing ring fixedly connected to one side of the outside of the connecting body, a second fixing ring fixedly connected to the other side of the outside of the connecting body, and a corrosion-resistant coating arranged at the outer wall and the inner wall of the connecting body. The structure improves the heat preservation and corrosion-resistant effects.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic transition joints, in particular to a corrosion-resistant joint. Background Art

[0002] Hydraulic joints are used to connect hydraulic cylinders that constitute hydraulic systems or to connect various mechanical equipment, pipes, hoses or pipelines. They are widely used. For example, the current patent No. 202021465377.1 discloses a filtering hydraulic transition joint. The structure is highly practical, but there are still the following problems during use:

[0003] 1. The connection method of the above transition joint adopts flange connection and has a single structure, which is prone to poor sealing and unstable connection during connection;

[0004] 2. The structure of the joint is single and can only be used for two-way connection, and the flexibility of connection is poor;

[0005] 3. A filter is used inside the transition joint for filtering, but the filter is not easy to remove from the joint for cleaning, resulting in incomplete cleaning.

[0006] Therefore, improvement is needed. Utility Model Content

[0007] The utility model aims to provide a corrosion-resistant joint to solve the problem of single structure in the above-mentioned background technology.

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a corrosion-resistant joint, comprising a connecting body, a tap joint 1 is fixedly connected to the left side of the connecting body, a tap joint 2 is fixedly connected to the right side of the connecting body, an extension pipe is fixedly connected to the bottom end of the connecting body, a tap joint 3 is arranged at the bottom end of the extension pipe, sliding sleeves are arranged on the outsides of the tap joint 1 and the tap joint 2, a connecting pipe is fixedly connected to the top end of the tap joint 3, a flange 2 is fixedly connected to the outside of the tap joint 3, a flange 1 is fixedly connected to the outside of the extension pipe, one or more filter screens are arranged inside the connecting body, an elastic ring is fixedly connected to the inside of the filter screen, a sealing ring 1 is fixedly connected to the inside of the extension pipe, a sealing ring 2 is fixedly connected to the inside of the flange 2, a first fixing ring is fixedly connected to one side of the outside of the connecting body, a second fixing ring is fixedly connected to the other side of the outside of the connecting body, and a corrosion-resistant coating is arranged on the outer wall and the inner wall of the connecting body.

[0009] Preferably, one side of the first fixing ring and one side of the second fixing ring are both fixedly connected with a heat-insulating sleeve, and one side of the heat-insulating sleeve is fixedly connected with a magnetic attraction strip.

[0010] Preferably, the connecting pipe is embedded in the extension pipe, and fixing bolts are provided inside the flange 1 and the flange 2.

[0011] Preferably, the outsides of the tap connector 1, the tap connector 2 and the tap connector 3 are provided with external threads.

[0012] Preferably, a support rod is respectively provided on the upper and lower sides of the outside of the sliding sleeve, a screw rod is movably connected to the support rod, and a clamping plate is rotatably connected to the bottom end of the screw rod.

[0013] Preferably, support rings are fixedly connected to both sides of the filter screen, a fixing rod is fixedly connected to one side of the support ring, and a connecting rod is fixedly connected between the fixing rods.

[0014] Preferably, a rubber sleeve is fixedly connected to the outside of the elastic ring, and the outside of the elastic ring is in contact with the inner wall of the connecting body.

[0015] Compared with the prior art, the utility model has the following beneficial effects: the corrosion-resistant joint not only realizes the diversity of joint structures, realizes more stable installation, realizes the function of facilitating filtration, but also realizes the functions of heat preservation and corrosion resistance;

[0016] (1) By providing a sealing ring 1, a flange 1, a fixing bolt, a tap 3, a flange 2, an extension pipe, a sealing ring 2 and a connecting pipe, when a three-way connection is required, the tap 3 can be installed on the outside of the extension pipe, the flange 2 and the flange 1 on the outside of the tap 3 are fixed, and the connecting pipe is screwed into the inside of the extension pipe. When only a two-way connection is required, a plug can be used to block the extension pipe. The corrosion-resistant coating sprayed inside and outside the connecting body can improve the corrosion resistance of the device. This structure improves the diversity and flexibility of the use of the hydraulic joint through the extension pipe;

[0017] (2) By providing a support rod, a sliding sleeve, a clamping plate and a screw rod, after the pipeline is connected to the outside of the tap joint 1 and the tap joint 2, the sliding sleeve is moved to one side of the pipeline, and then the screw rod is rotated, and the screw rod drives the clamping plate to move downward. The clamping plate can clamp and fix the pipeline connected to the outside of the joint, thereby improving the stability of the pipeline connection;

[0018] (3) By providing an elastic ring, a filter net, a support ring, a connecting rod, a fixing rod and a rubber sleeve, the filter net is placed inside the connecting body to filter the liquid that can flow, and the filter net blocks and collects impurities. The filter net can be taken out from the inside of the connecting body for cleaning regularly. When taking it out, it is only necessary to hook the connecting rod and pull it out. The elastic ring on the filter net can be compressed and deformed for easy removal. This structure realizes the function of facilitating filtering.

[0019] (4) By providing a first fixing ring, a thermal insulation sleeve, a corrosion-resistant coating, a magnetic strip and a second fixing ring, the corrosion-resistant coating on the outside of the connecting body has a strong corrosion protection effect, which can improve the protection when the outside and inside of the connecting body are in contact with corrosive liquids. When the connecting body is used in a relatively low outdoor environment, the thermal insulation sleeve on the first fixing ring and the thermal insulation sleeve of the second fixing ring can be docked, and the thermal insulation sleeve is fixed by magnetic attraction through the magnetic strip. The thermal insulation sleeve can provide thermal insulation protection for the outside of the connecting body to prevent the liquid inside the connecting body from freezing. This structure realizes the functions of heat preservation and corrosion resistance. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0021] Figure 2 This is a schematic diagram of the front view structure of the filter screen of the utility model;

[0022] Figure 3 This is a front view structural diagram of a tap of the utility model;

[0023] Figure 4 This is a schematic diagram of the front view structure of the second tap of the utility model;

[0024] Figure 5 This is a front view structural diagram of the connecting body of the utility model

[0025] In the figure: 1. tap joint 1; 2. support rod; 3. sliding sleeve; 4. elastic ring; 5. connecting body; 6. filter screen; 7. tap joint 2; 8. external thread; 9. clamp; 10. sealing ring 1; 11. flange 1; 12. fixing bolt; 13. tap joint 3; 14. flange 2; 15. extension pipe; 16. support ring; 17. connecting rod; 18. fixing rod; 19. rubber sleeve; 20. sealing ring 2; 21. connecting pipe; 22. screw; 23. first fixing ring; 24. insulation sleeve; 25. corrosion-resistant coating; 26. magnetic strip; 27. second fixing ring. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] Example 1: Please refer to Figure 1-5A corrosion-resistant joint comprises a connecting body 5, a tap 1 is fixedly connected to the left side of the connecting body 5, a tap 2 7 is fixedly connected to the right side of the connecting body 5, an extension pipe 15 is fixedly connected to the bottom end of the connecting body 5, a tap 3 13 is arranged at the bottom end of the extension pipe 15, a sliding sleeve 3 is arranged outside the tap 1 and the tap 2 7, a connecting pipe 21 is fixedly connected to the top of the tap 3 13, a flange 2 14 is fixedly connected to the outside of the tap 3 13, a flange 11 is fixedly connected to the outside of the extension pipe 15, one or more filter screens 6 are arranged inside the connecting body 5, an elastic ring 4 is fixedly connected to the inside of the filter screen 6, a sealing ring 10 is fixedly connected to the inside of the extension pipe 15, and a sealing ring 20 is fixedly connected to the inside of the flange 2 14;

[0028] The connecting pipe 21 is embedded in the extension pipe 15, the flange 1 11 and the flange 2 14 are provided with fixing bolts 12, and the tap 1 1, the tap 2 7 and the tap 3 13 are provided with external threads 8 on their exteriors;

[0029] Specifically, Figure 1 and Figure 3 As shown, after the connecting pipe 21 is screwed into the extension pipe 15, the sealing ring 10 inside the extension pipe 15 can improve the sealing of the connection to avoid water leakage. The flange 2 14 outside the tap joint 3 13 is connected to the flange 11 to achieve fixation. If a two-way joint is required, just block and close the extension pipe 15.

[0030] Embodiment 2: A support rod 2 is respectively disposed on the upper and lower sides of the sliding sleeve 3, and a screw rod 22 is movably connected to the support rod 2, and a clamping plate 9 is rotatably connected to the bottom end of the screw rod 22;

[0031] Specifically, Figure 1 and Figure 4 As shown, the sliding sleeve 3 moves to one side of the pipe, and then the screw rod 22 is rotated, and the screw rod 22 drives the clamping plate 9 to move downward, and the clamping plate 9 can clamp and fix the pipe connected to the outside of the joint.

[0032] Embodiment 3: Support rings 16 are fixedly connected to both sides of the filter screen 6, a fixing rod 18 is fixedly connected to one side of the support ring 16, a connecting rod 17 is fixedly connected between the fixing rods 18, a rubber sleeve 19 is fixedly connected to the outside of the elastic ring 4, and the outside of the elastic ring 4 is in contact with the inner wall of the connecting body 5;

[0033] Specifically, Figure 1 and Figure 2 As shown, the filter screen 6 blocks and collects impurities. The filter screen 6 can be taken out from the inside of the connecting body 5 regularly for cleaning. When taking it out, you only need to hook the connecting rod 17 and pull it out. The elastic ring 4 is supported inside the connecting body 5, and the rubber sleeve 19 improves the stability of the placement of the filter screen 6.

[0034] Embodiment 4: A first fixing ring 23 is fixedly connected to one side of the outside of the connecting body 5, a second fixing ring 27 is fixedly connected to the other side of the outside of the connecting body 5, a corrosion-resistant coating 25 is provided on the outer wall and the inner wall of the connecting body 5, a heat preservation sleeve 24 is fixedly connected to one side of the first fixing ring 23 and one side of the second fixing ring 27, and a magnetic attraction strip 26 is fixedly connected to one side of the heat preservation sleeve 24;

[0035] Specifically, Figure 1 and Figure 5 As shown, the corrosion-resistant coating 25 can protect the connecting body 5 when the outside and inside of the connecting body 5 are in contact with corrosive liquid. When the connecting body 5 is used in a lower outdoor environment, the insulation cover 24 on the first fixing ring 23 and the insulation cover 24 of the second fixing ring 27 can be connected. The insulation cover 24 is magnetically fixed by the magnetic strip 26. The insulation cover 24 can insulate the outside of the connecting body 5 to prevent the liquid inside the connecting body 5 from freezing.

[0036] Working principle: When the utility model is in use, the channel of the connecting body 5 is first adjusted according to the connection requirements. The connecting body 5 can realize two groups of modes: double-way and three-way. When a three-way is required, the tap joint 3 13 is installed on the outside of the extension tube 15, and the flange 2 14 and flange 1 11 on the outside of the tap joint 3 13 are fixed. The connecting pipe 21 is screwed into the inside of the extension tube 15, and then the pipeline is connected to the outside of the connecting body 5. After the pipeline is connected, the sliding sleeve 3 is moved, and the sliding sleeve 3 moves to one side of the pipeline, and then the screw rod 22 is rotated. The screw rod 22 drives the clamping plate 9 to move downward, and the clamping plate 9 can clamp and fix the pipeline connected to the outside of the joint. The filter screen 6 is placed in the connecting body 5 to filter the liquid that can flow, and the filter screen 6 blocks and collects impurities. The filter screen 6 is regularly taken out from the inside of the connecting body 5 for cleaning. This structure improves the diversity and durability of the joint connection.

[0037] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A corrosion-resistant joint, comprising a connecting body (5), characterized in that: The left side of the connecting body (5) is fixedly connected to a tap joint 1 (1), the right side of the connecting body (5) is fixedly connected to a tap joint 2 (7), the bottom end of the connecting body (5) is fixedly connected to an extension pipe (15), the bottom end of the extension pipe (15) is provided with a tap joint 3 (13), the outsides of the tap joint 1 (1) and the tap joint 2 (7) are provided with sliding sleeves (3), the top end of the tap joint 3 (13) is fixedly connected to a connecting pipe (21), the outside of the tap joint 3 (13) is fixedly connected to a flange 2 (14), the outside of the extension pipe (15) is fixedly connected to a flange 2 (15), and the outside of the extension pipe (15) is fixedly connected to a flange 2 (14). A flange (11) is provided, one or more filter screens (6) are arranged inside the connection body (5), an elastic ring (4) is fixedly connected inside the filter screen (6), a sealing ring (10) is fixedly connected inside the extension tube (15), a sealing ring (20) is fixedly connected inside the flange (14), a first fixing ring (23) is fixedly connected to one side of the outside of the connection body (5), a second fixing ring (27) is fixedly connected to the other side of the outside of the connection body (5), and a corrosion-resistant coating (25) is arranged on the outer wall and the inner wall of the connection body (5).

2. A corrosion-resistant joint according to claim 1, characterized in that: One side of the first fixing ring (23) and one side of the second fixing ring (27) are both fixedly connected to a heat-insulating sleeve (24), and one side of the heat-insulating sleeve (24) is fixedly connected to a magnetic attraction strip (26).

3. The corrosion-resistant joint according to claim 1, characterized in that: The connecting pipe (21) is embedded in the extension pipe (15), and fixing bolts (12) are arranged inside the flange 1 (11) and the flange 2 (14).

4. The corrosion-resistant joint according to claim 1, characterized in that: The outsides of the tap joint 1 (1), the tap joint 2 (7) and the tap joint 3 (13) are provided with external threads (8).

5. The corrosion-resistant joint according to claim 1, characterized in that: A support rod (2) is respectively arranged at the top and bottom of the outside of the sliding sleeve (3), and a screw rod (22) is movably connected to the support rod (2), and a clamping plate (9) is rotatably connected to the bottom end of the screw rod (22).

6. The corrosion-resistant joint according to claim 1, characterized in that: Support rings (16) are fixedly connected to both sides of the filter screen (6), a fixing rod (18) is fixedly connected to one side of the support ring (16), and a connecting rod (17) is fixedly connected between the fixing rods (18).

7. The corrosion-resistant joint according to claim 1, characterized in that: The outside of the elastic ring (4) is fixedly connected to a rubber sleeve (19), and the outside of the elastic ring (4) is in contact with the inner wall of the connecting body (5).

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