Self-control all-welded ball valve

Abstract

The utility model discloses a self-control all-welded ball valve which comprises a ball valve body and a main pipeline, a connecting pipe is arranged at the position, close to the main pipeline, of the ball valve body, a positioning frame body is arranged between the connecting pipe and the main pipeline, the positioning frame body comprises a first positioning frame and a second positioning frame, and the first positioning frame and the second positioning frame are in butt joint with each other. First fixing frames are fixedly connected between the two first positioning frames and located on the two sides, second fixing frames are fixedly connected between the two second positioning frames and located on the two sides, butt joint blocks are fixedly connected to the bottoms of the two first fixing frames, and butt joint grooves are formed in the tops of the two second fixing frames. According to the utility model, through the arrangement of the positioning frame body structure, the connecting pipe head on the valve body of the ball valve can be accurately and stably butted with the main pipeline, and the valve body can be accurately and stably positioned, so that the convenience and accuracy of positioning and mounting of the ball valve can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of valves, in particular to a self-controlled fully welded ball valve. Background Art

[0002] The self-controlled fully welded ball valve is a valve that uses oil pressure or pneumatic force to control the rotation of the ball to achieve opening and closing and flow adjustment. It is widely used in the fields of petroleum, chemical industry, natural gas, papermaking, water treatment and electricity. The fully welded ball valve has the characteristics of corrosion resistance, reliable sealing, easy opening and closing, and a wide range of flow adjustment. It is a very commonly used valve product;

[0003] The existing self-controlled fully welded ball valves often lack a precise and stable structure when docking and installing with pipelines. Manual support of the valve body is required to complete the precise docking of the connecting pipe head on the valve body with the flange on the pipeline. This docking and positioning method is not only time-consuming and labor-intensive to operate, but also requires a large workload during installation, and requires additional personnel to perform auxiliary positioning work, making the installation of the entire valve body inconvenient. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a self-controlled fully welded ball valve.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a self-controlled fully welded ball valve, including a ball valve body and a main pipeline, a connecting pipe is arranged on the ball valve body near the main pipeline, a positioning frame is arranged between the connecting pipe and the main pipeline, the positioning frame includes two mutually docking positioning frames 1 and 2, a fixing frame 1 is fixedly connected between the two positioning frames 1 and at both sides, a fixing frame 2 is fixedly connected between the two positioning frames 2 and at both sides, a docking block is fixedly connected to the bottom of the two fixing frames 1, a docking groove is arranged on the top of the two fixing frames 2, the two docking blocks and the two docking grooves are correspondingly plug-fitted, and a locking mechanism is arranged between the two docking blocks and the two docking grooves.

[0006] As a further description of the above technical solution:

[0007] The two positioning frames 1 and the two positioning frames 2 are both semicircular structures, and after the two positioning frames 1 and the two positioning frames 2 are connected, they are nested and matched with the connecting pipe and the main pipe. The two fixing frames 1 and the two fixing frames 2 are correspondingly fixedly installed at the connecting positions on both sides of the two positioning frames 1 and the two positioning frames 2.

[0008] As a further description of the above technical solution:

[0009] The inner surfaces of the two first positioning frames and the two second positioning frames are both provided with protective inner pads, and the material of the protective inner pads is rubber.

[0010] As a further description of the above technical solution:

[0011] The locking mechanism includes a fixed groove arranged in the connecting position between the docking block and the fixed frame and a locking groove arranged on the inner wall of the docking groove, a movable block is slidably connected in the fixed groove, and a spring is connected between the inner wall of the fixed groove and the outer surface of the movable block, an operating rod is fixedly connected to the same side of the outer surface of the movable block as the spring, and a locking block is fixedly connected to the outer surface of the movable block away from the spring, an operating recess is arranged on the top of the fixed frame, and a pull ring is fixedly connected to one end of the operating rod and located in the operating recess.

[0012] As a further description of the above technical solution:

[0013] One end of the locking block passes through the inner wall of the fixing groove and extends to the outer side of the docking block, and the locking block and the locking groove are plug-fitted, and the bottom of the locking block is arranged in an inclined surface.

[0014] As a further description of the above technical solution:

[0015] The fixed groove, movable block, spring, operating rod, locking block, pull ring in the docking block and the locking groove in the docking groove are arranged in two groups corresponding to each other and symmetrically arranged at two sides, and the two pull rings are located in the same operating recess.

[0016] The utility model has the following beneficial effects:

[0017] The self-controlled fully welded ball valve can accurately and stably connect the connecting pipe head on the ball valve body with the main pipeline through the setting of the positioning frame structure, so as to accurately and stably position the valve body, thus improving the convenience and accuracy of the positioning and installation of the ball valve; through the coordinated setting of two positioning frames one, positioning frame two, fixing frame one, fixing frame two, docking blocks, docking grooves, locking mechanisms and other structures, the two positioning frame structures can be accurately and stably spliced ​​and installed together to form a complete and stable positioning frame structure, which is convenient for accurate docking and positioning when the ball valve body and the pipeline are docked and installed, and the structure can also be quickly and conveniently disassembled and assembled, the structure is simple to operate, does not require the use of operating tools, saves time and effort, and is very flexible and convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of a self-controlled fully welded ball valve proposed by the utility model;

[0019] Figure 2This is a front view of a self-controlled fully welded ball valve proposed by the utility model;

[0020] Figure 3 This is a front view of a docking block, a docking groove, and a locking mechanism of an automatic fully welded ball valve proposed by the utility model;

[0021] Figure 4 The utility model is a schematic diagram of a positioning frame structure of a self-controlled fully welded ball valve.

[0022] Legend:

[0023] 1. Ball valve body; 2. Connecting pipe; 3. Main pipeline; 4. Positioning frame; 41. Positioning frame 1; 42. Positioning frame 2; 43. Fixed frame 1; 44. Fixed frame 2; 5. Protective inner pad; 6. Docking block; 7. Fixed groove; 8. Movable block; 9. Spring; 10. Operating lever; 11. Locking block; 12. Operating notch; 13. Pull ring; 14. Docking groove; 15. Locking groove. DETAILED DESCRIPTION

[0024] 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.

[0025] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0026] Reference Figure 1-4The utility model provides an embodiment: a self-controlled fully welded ball valve, including a ball valve body 1 and a main pipeline 3, a connecting pipe 2 is arranged on the ball valve body 1 near the main pipeline 3, a positioning frame 4 is arranged between the connecting pipe 2 and the main pipeline 3, the positioning frame 4 includes two mutually docking positioning frames 1 41 and two positioning frames 42, a fixing frame 1 43 is fixedly connected between the two positioning frames 1 41 and at both sides, a fixing frame 2 44 is fixedly connected between the two positioning frames 2 42 and at both sides, the two positioning frames 1 41 and the two positioning frames 2 42 are both semicircular structures, and after the two positioning frames 1 41 and the two positioning frames 2 42 are docked, they are nested and matched with the connecting pipe 2 and the main pipeline 3, and the two fixing frames 1 43 and the two fixing frames The two fixing frames 44 are fixedly installed at the connecting positions on both sides of the two positioning frames 1 41 and the two positioning frames 2 42, and the structures on both sides of the positioning frame body 4 are respectively sleeved on the connecting pipe 2 and the main pipeline 3 of the ball valve body 1, so that the ball valve body 1 and the pipeline can be accurately positioned and docked, thereby facilitating subsequent installation and improving the convenience of valve installation. The bottoms of the two fixing frames 1 43 are fixedly connected with docking blocks 6, and the tops of the two fixing frames 2 44 are provided with docking grooves 14. The two docking blocks 6 and the two docking grooves 14 are correspondingly plug-in-matched, and locking mechanisms are provided between the two docking blocks 6 and the two docking grooves 14. The settings of the docking blocks 6, the docking grooves 14 and the locking mechanisms can ensure that the two fixing frame structures can be accurately and firmly docked and installed together.

[0027] The inner surfaces of the two positioning frames 41 and the two positioning frames 42 are both provided with protective inner pads 5, and the material of the protective inner pads 5 is rubber. The protective inner pads 5 made of rubber can not only play a certain anti-slip role and ensure the stability of the positioning frame 4, but also reduce the contact extrusion wear, and have a protective effect on the pipeline and valve.

[0028] The locking mechanism includes a fixed groove 7 arranged in the connecting position between the docking block 6 and the fixed frame 43 and a locking groove 15 arranged on the inner wall of the docking groove 14, a movable block 8 is slidably connected in the fixed groove 7, and a spring 9 is connected between the inner wall of the fixed groove 7 and the outer surface of the movable block 8, an operating rod 10 is fixedly connected to the same side of the outer surface of the movable block 8 as the spring 9, and a locking block 11 is fixedly connected to the outer surface of the movable block 8 away from the spring 9. An operating recess 12 is arranged on the top of the fixed frame 43, a pull ring 13 is fixedly connected to one end of the operating rod 10 and located in the operating recess 12, one end of the locking block 11 passes through the inner wall of the fixed groove 7 and extends to the outer position of the docking block 6, and a plug-in matching device is provided between the locking block 11 and the locking groove 15. The bottom of the locking block 11 is set in the form of an inclined surface. During operation, the docking block 6 is inserted into the docking groove 14. During insertion, the inclined surface at the bottom of the locking block 11 will first contact the inner wall opening of the docking groove 14. Through extrusion, the inclined surface will play a guiding effect, and the locking block 11 will slide and shrink and push the movable block 8 to compress the spring 9. When the docking block 6 is inserted into the docking groove 14, the spring 9 is reset to push the movable block 8 to drive the locking block 11 to be inserted into the locking groove 15, and the installation of the locking mechanism can be completed. During disassembly, the operating rod 10 is driven to move by the pull ring 13, and the operating rod 10 drives the movable block 8 to move. The movable block 8 drives the locking block 11 to leave the locking groove 15 to open the locking mechanism, and the disassembly operation of the structure can be completed by pulling out the docking block 6.

[0029] The fixed groove 7, movable block 8, spring 9, operating rod 10, locking block 11, pull ring 13 in the docking block 6 and the locking groove 15 in the docking groove 14 are arranged in two groups correspondingly and symmetrically arranged at both sides. The two pull rings 13 are located in the same operating recess 12. The setting of the two groups of structures can ensure the uniformity and stability of the force of the structure after the docking block 6 is docked and installed. The two pull rings 13 are located in the same operating recess 12, which can ensure the convenience of structural operation.

[0030] Working principle: When using the self-controlled fully welded ball valve, the two positioning frames 41 and the two positioning frames 42 are respectively docked at the upper and lower sides of the connecting pipe 2 and the main pipeline 3 on the ball valve body 1, and the two fixing frames 43 and the two fixing frames 44 are docked at the same time. The two docking blocks 6 are correspondingly inserted into the two docking grooves 14. The two docking blocks 6 and the two docking grooves 14 can be locked together through the locking mechanism, so that the two positioning frames 41 and the two positioning frames 42 can be stably docked together to form a stable positioning frame body 4 structure, which can accurately position and splice the connecting pipe 2 on the ball valve body 1 and the main pipeline 3 together, facilitating the accurate positioning and installation between the ball valve body 1 and the pipeline. At the same time, the positioning frame body 4 structure can also be easily disassembled, and the structure disassembly and assembly operation is simple, and it is very flexible and convenient to use.

[0031] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An automatic fully welded ball valve, comprising a ball valve body (1) and a main pipeline (3), characterized in that: A connecting pipe (2) is arranged on the ball valve body (1) near the main pipeline (3), and a positioning frame (4) is arranged between the connecting pipe (2) and the main pipeline (3). The positioning frame (4) comprises two mutually docking positioning frames (41) and two mutually docking positioning frames (42). A fixing frame (43) is fixedly connected between the two positioning frames (41) and at both sides, and a fixing frame (44) is fixedly connected between the two positioning frames (42) and at both sides. A docking block (6) is fixedly connected to the bottom of the two fixing frames (43), and a docking groove (14) is arranged on the top of the two fixing frames (44). The two docking blocks (6) and the two docking grooves (14) are arranged to be plug-fitted with each other, and a locking mechanism is arranged between the two docking blocks (6) and the two docking grooves (14).

2. The self-controlled fully welded ball valve according to claim 1, characterized in that: The two positioning frames (41) and the two positioning frames (42) are both semicircular structures, and after the two positioning frames (41) and the two positioning frames (42) are connected, they are nested and matched with the connecting pipe (2) and the main pipe (3), and the two fixing frames (43) and the two fixing frames (44) are fixedly installed at the connecting positions on both sides of the two positioning frames (41) and the two positioning frames (42).

3. The self-controlled fully welded ball valve according to claim 1, characterized in that: The inner surfaces of the two first positioning frames (41) and the two second positioning frames (42) are both provided with protective inner pads (5), and the material of the protective inner pads (5) is rubber.

4. The self-controlled fully welded ball valve according to claim 1, characterized in that: The locking mechanism comprises a fixing groove (7) arranged at the connecting position between the docking block (6) and the fixing frame (43) and a locking groove (15) arranged on the inner wall of the docking groove (14); a movable block (8) is slidably connected in the fixing groove (7); a spring (9) is connected between the inner wall of the fixing groove (7) and the outer surface of the movable block (8); an operating rod (10) is fixedly connected to the same side of the outer surface of the movable block (8) as the spring (9); and a locking block (11) is fixedly connected to the outer surface of the movable block (8) away from the spring (9); an operating recess (12) is arranged on the top of the fixing frame (43); and a pull ring (13) is fixedly connected to one end of the operating rod (10) and located in the operating recess (12).

5. The self-controlled fully welded ball valve according to claim 4, characterized in that: One end of the locking block (11) passes through the inner wall of the fixing groove (7) and extends to the outer side of the docking block (6), and the locking block (11) and the locking groove (15) are plug-fitted, and the bottom of the locking block (11) is arranged in the form of an inclined surface.

6. The self-controlled fully welded ball valve according to claim 4, characterized in that: The fixed groove (7), the movable block (8), the spring (9), the operating rod (10), the locking block (11), the pull ring (13) in the docking block (6) and the locking groove (15) in the docking groove (14) are arranged in two groups corresponding to each other and symmetrically arranged at two sides, and the two pull rings (13) are located in the same operating recess (12).

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