Pagoda-shaped structure joint with external threads

Abstract

The utility model relates to the field of electromagnetic valves, and discloses a pagoda-shaped structure joint with external threads, which comprises a top piece and a plug, the plug is arranged at the bottom end of the top piece, a tubular column is arranged in the middle of the inside of the top piece, external threads are processed outside the tubular column, steps are reserved at the bottoms of the external threads of the tubular column, and the external threads of the tubular column are matched with the external threads of the tubular column. The left side and the right side of the interior of the top piece are each provided with a set of fixing lug holes, the tubular column penetrates through the top piece and the step from top to bottom, and the inner diameter size is kept unchanged. According to the pagoda-shaped structure connector with the external threads, the pipe column and the step are arranged, an original thread structure is directly changed into a pagoda-shaped structure, the inner diameter size of the pipe column at the bottom of the connector is kept unchanged, a non-return combination device for preventing water from flowing back can be conveniently and additionally installed, and the step is reserved at the bottom of the pipe column; the situation that the medium cannot flow out smoothly due to the fact that the non-return device is impacted to the bottom by overlarge water pressure is prevented, and the problem that the fluency of the medium is affected by water flow impact is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of solenoid valves, and specifically relates to a structure joint with an external thread and a pagoda-shaped structure. Background Technique

[0002] As a core key component in the field of automatic control, a solenoid valve is composed of a coil, a valve body, etc. There are water (gas) inlet and outlet ports on the valve body. According to the design of different complete machine equipment, the water (gas) inlet and outlet ports of the solenoid valve have different designs; in the actual production process, there is a need for the solenoid valve to be installed on the side wall of the complete machine equipment, and the water (gas) inlet thread is exposed outside the machine, which is convenient for directly docking with the water (gas) source, and a structure joint is required to achieve a sealed connection.

[0003] At present, the structure joints on the market have external threads processed on the outer diameter from top to bottom, and are directly fixed at the installation port through the external threads. A check valve combination device for preventing water backflow needs to be installed. However, due to the single design and the unstable water pressure impact on the valve body, there will be a problem that the medium cannot flow smoothly due to the check valve device hitting the bottom in extreme cases.

[0004] Therefore, a structure joint with an external thread and a pagoda-shaped structure is needed to solve the above technical defects. Content of the Utility Model

[0005] The purpose of the utility model is to provide a structure joint with an external thread and a pagoda-shaped structure to solve the problem that the water pressure impact on the valve body is unstable, and the medium cannot flow smoothly due to the check valve device hitting the bottom in extreme cases as mentioned in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A structure joint with an external thread and a pagoda-shaped structure, including a top piece and a plug. The plug is arranged at the bottom end of the top piece. A pipe column is arranged at the middle position inside the top piece. External threads are processed on the outside of the pipe column. A step is reserved at the bottom of the external threads of the pipe column. A set of fixing ear holes are respectively opened on the left and right sides inside the top piece.

[0007] Preferably, the pipe column penetrates through the top piece and the step from top to bottom, and the inner diameter size remains unchanged.

[0008] Preferably, the top piece is a diamond-shaped piece with rounded edges processed.

[0009] Preferably, there are two sets of fixing ear holes, and the fixing ear holes are flush with the pipe column in the horizontal direction.

[0010] Preferably, external ear pieces are respectively assembled on the outside of the fixing ear holes of the top piece. A side wall is welded to one side of the external ear piece. An internal screw pipe is arranged inside the external ear piece, and the internal screw pipe is inserted into the fixing ear hole.

[0011] Preferably, a movable groove is provided in the side wall, a movable foot is embedded in the movable groove, and a movable ear hole is provided on one side of the movable foot.

[0012] Preferably, the inner screw tube is internally processed with threads, and the size of the inner screw tube matches the fixed ear hole.

[0013] Preferably, two groups of the external ear pieces are provided, and the external ear pieces can rotate horizontally with the inner spiral tube as the center.

[0014] Compared with the prior art, the utility model has the following beneficial effects: the pagoda-shaped structural joint with external threads can not only prevent the medium from flowing out smoothly due to excessive water pressure hitting the check device to the bottom, but also reduce the failure caused by the operator's inadequate operation of other complex procedures, and ensure the installation stability of the joint, which is stable and reliable after installation;

[0015] (1) By providing a pipe column and a step, the pagoda-shaped structure joint with an external thread directly changes the original thread structure into a pagoda-shaped structure, and the inner diameter of the pipe column at the bottom of the joint remains unchanged, which is convenient for installing a check assembly device to prevent water backflow. A step is reserved at the bottom of the pipe column to prevent the medium from flowing out smoothly due to excessive water pressure hitting the check device to the bottom, thereby reducing the medium leakage caused by improper operation of the operator;

[0016] (2) By providing a pipe column and an external thread, the external thread is added to the outer pagoda-shaped pipe column design, and the internal threaded butt pipe to be connected is directly screwed onto the external thread until it is in place at the bottom, without the need for additional operations. This structure has threaded teeth bite and is reliable, reducing the failure caused by the operator's inadequate operation of other complex processes, and the threaded connection can resist very large water and air pressure shocks, making it easy to install;

[0017] (3) By providing an outer ear piece, an inner screw tube, a movable groove, and a movable ear hole, the size of the thread outer diameter and the inner diameter can be customized according to the needs of different products. Two sets of outer ear pieces are added, and the direction of the outer ear piece is rotated according to the needs of the fixed surface. The inner screw tube at the bottom of the outer ear piece is aligned with the fixed ear hole at the top piece and inserted so that the bolt can be driven in from the inner screw tube. The movable ear hole can be moved up and down in the movable groove of the side wall to achieve multi-sided fixation, thereby ensuring the installation stability of the joint, which is stable and reliable after installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a front view structural schematic diagram of the utility model;

[0019] Figure 2 It is a schematic diagram of the top view structure of the utility model;

[0020] Figure 3 This is a schematic diagram of the front view structure of the external ear piece of the utility model;

[0021] Figure 4 This is the front view structural schematic diagram of the pipe string of the present utility model.

[0022] In the figure: 1. Top sheet; 2. Outer ear piece; 3. Inner screw pipe; 4. Fixed ear hole; 5. Side wall; 6. Moving foot; 7. Moving groove; 8. Movable ear hole; 9. Plug; 10. External thread; 11. Step; 12. Pipe string. Specific embodiments

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0024] Embodiment 1: Please refer to Figures 1-4 , a connecting head with an external thread pagoda-shaped structure, including a top sheet 1 and a plug 9. The plug 9 is arranged at the bottom end of the top sheet 1. A pipe string 12 is arranged at the middle position inside the top sheet 1. An external thread 10 is machined on the outside of the pipe string 12. A step 11 is reserved at the bottom of the external thread 10 of the pipe string 12. A set of fixed ear holes 4 are opened on each of the left and right sides inside the top sheet 1;

[0025] Specifically, as shown in Figure 1 , Figure 2 , Figure 3 and Figure 4 , the connecting head with the external thread pagoda-shaped structure directly changes the original thread structure into a pagoda-shaped structure. The inner diameter size of the pipe string 12 at the bottom of the connecting head remains unchanged, which is convenient for installing a check valve combination device to prevent water backflow. A step 11 is reserved at the bottom of the pipe string 12 to prevent the situation that the medium cannot flow out smoothly due to the check valve device being impacted to the bottom by excessive water pressure, and reduce the situation of medium leakage caused by the operator's improper operation.

[0026] Embodiment 2: The pipe string 12 penetrates through the top sheet 1 and the step 11 from top to bottom, and the inner diameter size remains unchanged. The top sheet 1 is a rhombic sheet with rounded edges;

[0027] Specifically, as shown in Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, an external thread 10 is added to the outer pagoda-shaped pipe column 12, and the internally threaded butt pipe to be connected is directly screwed onto the external thread 10 until it is screwed to the bottom. No additional operations are required. This structure has reliable thread engagement and reduces faults caused by operators' inadequate operation of other complex processes. The threaded connection can withstand very large water and air pressure shocks, making it easy to install.

[0028] Embodiment 3: Two groups of fixed ear holes 4 are provided, and the fixed ear holes 4 are flush with the tube column 12 in the horizontal direction. The top plate 1 is respectively equipped with outer ear pieces 2 outside the fixed ear holes 4, and a side wall 5 is welded on one side of the outer ear piece 2. An inner screw tube 3 is provided inside the outer ear piece 2, and the inner screw tube 3 is plugged into the fixed ear hole 4. A movable groove 7 is opened in the side wall 5, and a movable foot 6 is embedded in the movable groove 7. A movable ear hole 8 is provided on one side of the movable foot 6. The inner screw tube 3 is processed with a thread, and the size of the inner screw tube 3 matches the fixed ear hole 4. There are two groups of outer ear pieces 2, and the outer ear piece 2 can rotate horizontally with the inner screw tube 3 as the center;

[0029] Specifically, Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the size of the thread outer diameter and inner diameter can be customized by the customer according to the needs of different products. Two sets of outer ear pieces 2 are added. At the same time, the direction of the outer ear piece 2 is rotated according to the needs of the fixed surface, and the inner screw tube 3 at the bottom of the outer ear piece 2 is aligned with the fixed ear hole 4 at the top piece 1 and inserted so that the bolt can be driven in from the inner screw tube 3. The movable ear hole 8 can be moved up and down in the movable groove 7 of the side wall 5 to achieve multi-sided fixation, thereby ensuring the installation stability of the joint, which is stable and reliable after installation.

[0030] Working principle: The size of the thread outer diameter and inner diameter can be customized according to the needs of different products. Two sets of outer ear pieces 2 are added. At the same time, the direction of the outer ear piece 2 is rotated according to the needs of the fixed surface. The inner screw tube 3 at the bottom of the outer ear piece 2 is aligned with the fixed ear hole 4 at the top piece 1 and inserted so that the bolt can be driven in from the inner screw tube 3. The movable ear hole 8 can be moved up and down in the movable groove 7 of the side wall 5 to achieve multi-faceted fixation. The external thread type pagoda line structure joint directly changes the original thread structure into a pagoda structure. The inner diameter size of the pipe column 12 at the bottom of the joint is kept The structure remains unchanged, which is convenient for installing a non-return combination device to prevent water backflow. A step 11 is reserved at the bottom of the pipe column 12 to prevent the non-return device from being impacted to the bottom due to excessive water pressure, resulting in the medium not being able to flow out smoothly. An external thread 10 is added to the outer pagoda-shaped pipe column 12, and the butt-jointed internal threaded butt pipe is directly screwed onto this external thread 10 until it is screwed to the bottom. No additional operations are required. This structure has threaded tooth engagement and reliable tightening, which reduces the failure caused by the operator's inadequate operation of other complex processes.

[0031] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-mentioned exemplary embodiments, and the present utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present utility model. Any reference signs in the claims should not be construed as limiting the claims involved.

Claims

1. A pagoda-shaped structural joint with external threads, comprising a top plate (1) and a plug (9), characterized in that: A plug (9) is provided at the bottom end of the top sheet (1), a tube column (12) is provided at the middle position inside the top sheet (1), an external thread (10) is processed on the outside of the tube column (12), a step (11) is reserved at the bottom of the external thread (10) of the tube column (12), and a group of fixing ear holes (4) are respectively provided on the left and right sides inside the top sheet (1).

2. The pagoda-shaped structural joint with external threads according to claim 1, characterized in that: The pipe column (12) passes through the top plate (1) and the step (11) from top to bottom, and the inner diameter remains unchanged.

3. The pagoda-shaped structural joint with external threads according to claim 1, characterized in that: The top sheet (1) is a rhombus-shaped sheet with rounded edges.

4. The pagoda-shaped structural joint with external threads according to claim 1, characterized in that: Two groups of the fixing ear holes (4) are provided, and the fixing ear holes (4) are flush with the pipe column (12) in the horizontal direction.

5. The pagoda-shaped structural joint with external threads according to claim 1, characterized in that: The top sheet (1) is respectively provided with outer ear sheets (2) outside the fixed ear holes (4); a side wall (5) is welded to one side of the outer ear sheets (2); an inner screw tube (3) is arranged inside the outer ear sheets (2); and the inner screw tube (3) is plugged into the fixed ear holes (4).

6. The pagoda-shaped structural joint with external threads according to claim 5, characterized in that: A movable groove (7) is provided in the side wall (5), a movable foot (6) is embedded in the movable groove (7), and a movable ear hole (8) is provided on one side of the movable foot (6).

7. The pagoda-shaped structural joint with external threads according to claim 5, characterized in that: The inner screw tube (3) is internally processed with threads, and the size of the inner screw tube (3) matches the fixed ear hole (4).

8. The pagoda-shaped structural joint with external threads according to claim 5, characterized in that: The outer ear pieces (2) are provided in two groups in total, and the outer ear pieces (2) can rotate horizontally with the inner spiral tube (3) as the center.

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