High-sealing type casting

Abstract

The utility model discloses a high sealing type casting which comprises a valve casting body and pipelines, first flange plates are welded to the two ends of the valve casting body respectively, and second flange plates are welded to the opposite ends of the two pipelines respectively. Positioning blocks are welded to the side, away from the pipeline, of the second flange plate at equal angles. According to the high-sealing type casting, a positioning block is inserted into a positioning groove, then a driving gear ring is rotated, the driving gear ring drives a plurality of driven gears to rotate, then a guide block moves on a threaded rod and is inserted into a clamping groove in a second flange plate, meanwhile, a movable block moves and extrudes a butt joint block, the butt joint block is promoted to move, and the butt joint block is inserted into a butt joint groove; the positioning block can be limited, so that double locking is achieved through the guide block and the butt joint block, the mounting stability of the valve casting body can be improved, and when the driving gear ring is rotated reversely, the valve casting body can be disassembled conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of valve castings, in particular to a high-sealing casting. Background Art

[0002] Castings are metal shaped objects obtained by various casting methods. With the development of the casting industry, the application of castings has become more and more extensive. Valve castings are widely used in various industries and are a common casting.

[0003] For example, a high-sealing valve casting with publication number CN217803718U solves the problem of short service life of existing high-sealing valve castings by setting a valve body, a base layer, a reinforcement layer, a high-temperature resistant layer, a heat insulation layer, a thermal insulation layer, a protective layer, an antifreeze layer, a low-temperature resistant layer, a corrosion-resistant layer, a corrosion-resistant coating and a wear-resistant coating. The high-sealing valve casting has the advantage of a long service life; by setting a reinforcement layer, the high-carbon steel material can improve the strength of the valve, by setting a high-temperature resistant layer, the tungsten alloy material can improve the high-temperature resistance of the valve, and by setting Insulation layer and heat preservation layer, glass fiber material and polyurethane foam material can improve the thermal insulation performance of the valve. By setting the antifreeze layer, PVC material can play an antifreeze role. By setting the low temperature resistant layer, polytetrafluoroethylene material can play a low temperature resistant role. By setting the corrosion resistant layer, fluororubber material has excellent heat resistance, oxidation resistance, oil resistance and corrosion resistance, which can well protect the valve. By setting the corrosion resistant coating, aluminate coating can play a corrosion resistant role. By setting the wear resistant coating, polymer ceramic particle wear resistant coating can play a wear resistant role.

[0004] When the above technical solution is in use, the valve casting is connected to the pipeline through the flange and bolts. However, the valve casting will generate certain vibrations during use, which will cause the bolts to loosen under the vibration, resulting in poor stability of the connection position between the valve casting and the pipeline. At the same time, each time the valve casting is disassembled and assembled, the staff needs to use tools to tighten or loosen multiple bolts in sequence to complete the installation and disassembly of the valve casting, which makes the disassembly and assembly steps more cumbersome and inconvenient to use.

[0005] Therefore, we proposed that high-sealing castings can solve the above problems well. Utility Model Content

[0006] The purpose of the utility model is to provide a high-sealing casting to solve the problem that the stability of the connection position between the valve casting and the pipeline proposed in the above-mentioned background technology is poor, and each time the valve casting is disassembled, the staff needs to use tools to screw or loosen multiple bolts in sequence to complete the installation and disassembly of the valve casting, which leads to complicated disassembly steps and inconvenience in use.

[0007] To achieve the above object, the utility model provides the following technical solutions: a high-sealing casting, comprising a valve casting body and a pipeline, both ends of the valve casting body are welded with a first flange, and the opposite ends of the two pipelines are welded with a second flange;

[0008] It also includes: a positioning block is welded at an equal angle on the side of the second flange away from the pipeline, a positioning groove is opened at an equal angle on the side of the first flange away from the valve casting body, and a driving gear ring is sleeved on the outer side of the first flange;

[0009] The first flange is rotatably connected to a driven gear at an equal angle, and a threaded rod is fixedly connected to the driven gear, one end of the threaded rod is sleeved with a guide block, and a movable block is fixedly connected to the side of the guide block;

[0010] A docking block is arranged inside the first flange above the guide block, a protrusion is fixedly connected to one side of the docking block, and a first spring is installed between the end of the protrusion and the inner wall of the first flange;

[0011] A clamping groove is formed at an equal angle on one side of the second flange, and a docking groove is formed on the side of the positioning block.

[0012] Preferably, the end of the threaded rod away from the guide block is connected to the inner wall of the first flange by a bearing, the guide block and the threaded rod are threadedly connected, the outer side of the guide block and the inner wall of the first flange are slidingly connected, and the guide block and the slot are snap-fitted.

[0013] Preferably, the ends of the movable block and the docking block are both inclined, and the inclined surfaces of the movable block and the docking block fit together, the docking block and the docking groove are snap-fitted, and the docking block is slidably arranged inside the first flange through a protrusion.

[0014] Preferably, the driving gear ring is rotationally connected to the first flange, and the driving gear ring is meshingly connected to the four driven gears.

[0015] Preferably, filter screens are bolted to the left and right sides of the valve casting body, sealing rings are embedded in one side of the two first flanges, and sealing rings are fixedly sleeved on the outer sides of the two first flanges.

[0016] Preferably, limiting grooves are provided at equal angles on the side surfaces of the driving gear ring, the tops of the two first flanges are fixedly connected with fixing blocks, and the interior of the fixing blocks is penetrated by limiting rods, and a second spring is installed between the outer side of the limiting rod and the inner wall of the fixing block.

[0017] Preferably, the limiting rod and the fixing block are slidably connected, and the positions of the limiting rod and the limiting groove correspond to each other.

[0018] Compared with the prior art, the beneficial effects of the utility model are: the high-sealing casting adopts a new structural design, the specific contents of which are as follows:

[0019] (1) When the valve casting body needs to be installed, the second flange on the pipeline is aligned with the first flange on the valve casting body, so that the positioning block is inserted into the positioning groove, and then the driving gear ring is rotated so that the driving gear ring drives multiple driven gears to rotate, and then the guide block moves on the threaded rod and is inserted into the slot on the second flange. At the same time, the movable block moves and squeezes the docking block, causing it to move and insert into the docking groove, which can limit the positioning block, thereby utilizing the double locking of the guide block and the docking block to improve the stability of the installation of the valve casting body;

[0020] Furthermore, when the valve casting body needs to be disassembled, it is only necessary to rotate the driving gear ring in the reverse direction, so that the multiple driven gears are reversed and the guide block is driven to reset, and the guide block is separated from the slot, and then the movable block no longer squeezes the docking block, and then the docking block is reset under the action of the protrusion and the first spring, and is separated from the docking slot, and the limit of the positioning block is released, so that the valve casting body is easy to quickly disassemble;

[0021] (2) Pull the limit rod to separate the limit groove in the initial position, thereby releasing the limit on the driving gear ring. After the driving gear ring rotates, loosen the limit rod to reset it under the elastic force of the second spring and insert it into the corresponding limit groove, so as to limit the driving gear ring and prevent it from deflecting during use;

[0022] (3) The sealing ring and sealing ring can improve the sealing performance of the connection between the pipeline and the valve casting body, preventing the valve casting body from leaking during use;

[0023] (4) The filter screen can be used to filter impurities in the water to prevent larger particles of impurities in the water from clogging the valve casting body and affecting subsequent use. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0025] Figure 2 This is a schematic diagram of the three-dimensional structure of the first flange and the sealing ring of the utility model;

[0026] Figure 3 This is a schematic diagram of the three-dimensional structure of the driving gear ring, the driven gear and the guide block of the utility model;

[0027] Figure 4 This is a side view structural diagram of the driving gear ring of the utility model;

[0028] Figure 5 This is a schematic diagram of the connection structure between the limit rod and the second spring of the utility model;

[0029] Figure 6 For this utility model Figure 1 The enlarged structural diagram at A in the middle;

[0030] Figure 7 This is a schematic diagram of the separation structure of the guide block and the card slot of the utility model.

[0031] In the figure: 1. valve casting body; 2. pipeline; 3. first flange; 4. second flange; 5. filter; 6. sealing ring; 7. positioning block; 8. positioning groove; 9. driven gear; 10. threaded rod; 11. guide block; 12. movable block; 13. docking block; 14. driving gear ring; 15. docking groove; 16. clamping groove; 17. first spring; 18. limiting groove; 19. fixing block; 20. limiting rod; 21. second spring; 22. sealing ring. DETAILED DESCRIPTION

[0032] 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.

[0033] See also Figure 1-Figure 7 , the utility model provides the following technical solutions: a high-sealing casting;

[0034] Embodiment 1: In order to solve the problem that the connection position between the valve casting and the pipeline 2 in the prior art is poorly stable, and each time the valve casting is disassembled, the staff needs to use tools to screw or loosen multiple bolts in sequence to complete the installation and disassembly of the valve casting, resulting in cumbersome disassembly and assembly steps and inconvenience in use, the following solution is disclosed, and specific reference is made to Figure 1 , Figure 3 , Figure 6 and Figure 7 As shown, it comprises a valve casting body 1 and a pipeline 2, both ends of the valve casting body 1 are welded with a first flange 3, and the opposite ends of the two pipelines 2 are welded with a second flange 4;

[0035] It also includes: a positioning block 7 is welded at an equal angle on the side of the second flange 4 away from the pipeline 2, a positioning groove 8 is opened at an equal angle on the side of the first flange 3 away from the valve casting body 1, and a driving gear ring 14 is sleeved on the outer side of the first flange 3; a driven gear 9 is rotatably connected inside the first flange 3 at an equal angle, the driving gear ring 14 is rotatably connected to the first flange 3, and the driving gear ring 14 is meshingly connected to the four driven gears 9, and a threaded rod 10 is fixedly connected to the inside of the driven gear 9, one end of the threaded rod 10 is sleeved with a guide block 11, and a movable block 12 is fixedly connected to the side of the guide block 11; a docking block 13 is arranged above the guide block 11 inside the first flange 3, and a convex block is fixedly connected to one side of the docking block 13, A first spring 17 is installed between the end of the protrusion and the inner wall of the first flange 3; a slot 16 is provided at an equal angle on one side of the second flange 4; a bearing connection is formed between the end of the threaded rod 10 away from the guide block 11 and the inner wall of the first flange 3; the guide block 11 and the threaded rod 10 are threadedly connected, and the outer side of the guide block 11 and the inner wall of the first flange 3 are slidably connected; the guide block 11 and the slot 16 are snap-fitted; a docking groove 15 is provided on the side of the positioning block 7; the ends of the movable block 12 and the docking block 13 are both inclined, and the inclined surfaces of the movable block 12 and the docking block 13 are fitted together; the docking block 13 and the docking groove 15 are snap-fitted, and the docking block 13 is slidably arranged inside the first flange 3 through the protrusion;

[0036] When in use, align the second flange 4 on the pipeline 2 with the first flange 3 on the valve casting body 1, so that the positioning block 7 is inserted into the positioning groove 8, and then pull the limit rod 20 to release the limit on the driving gear ring 14, and rotate the driving gear ring 14, so that the driving gear ring 14 drives the multiple driven gears 9 to rotate, and then the guide block 11 moves on the threaded rod 10 and is inserted into the slot 16 on the second flange 4. At the same time, the movable block 12 moves and squeezes the docking block 13, causing it to move and insert into the docking groove 15, which can limit the positioning block 7. The double locking of the guide block 11 and the docking block 13 can improve the installation stability of the valve casting body 1. Then, when the valve casting body 1 needs to be disassembled, the staff only needs to reversely rotate the driving gear ring 14 to reverse the multiple driven gears 9 and drive the guide block 11 to reset. At the same time, the guide block 11 is separated from the slot 16, and then the movable block 12 no longer squeezes the docking block 13, and then the docking block 13 is reset under the action of the protrusion and the first spring 17, and separated from the docking slot 15, releasing the limit of the positioning block 7, thereby facilitating the rapid disassembly of the valve casting body 1.

[0037] Embodiment 2: Different from Embodiment 1, this embodiment utilizes the sealing ring 6 and the sealing ring 22 to improve the sealing performance of the connection position between the valve casting body 1 and the pipeline 2. Figure 1 , Figure 2 , Figure 4 and Figure 5 As shown, the side of the driving gear ring 14 is provided with a limit groove 18 at an equal angle, the tops of the two first flanges 3 are fixedly connected with a fixing block 19, and the inside of the fixing block 19 is penetrated by a limit rod 20, and a second spring 21 is installed between the outer side of the limit rod 20 and the inner wall of the fixing block 19, the limit rod 20 and the fixing block 19 are slidably connected, and the position of the limit rod 20 corresponds to the limit groove 18, one side of the two first flanges 3 is embedded with a sealing ring 6, and the outer sides of the two first flanges 3 are sleeved and fixed with a sealing ring 22;

[0038] By pulling the limit rod 20, the limit groove 18 in the initial position is separated, thereby releasing the limit on the driving gear ring 14. After the driving gear ring 14 is rotated, the limit rod 20 is loosened to reset under the elastic force of the second spring 21 and inserted into the corresponding limit groove 18. The rotated driving gear ring 14 can be limited to prevent it from deflecting during use.

[0039] Embodiment 3: Different from Embodiment 2, this embodiment uses the filter screen 5 to filter out larger particles of impurities in the water to prevent them from clogging the valve casting body 1. For details, refer to Figure 1 As shown, the left and right sides of the valve casting body 1 are both bolted with filter screens 5;

[0040] When water in the pipe 2 flows through the valve casting body 1, the provided filter screen 5 can filter impurities in the water to prevent larger particles of impurities in the water from clogging the valve casting body 1 and affecting subsequent use. After the subsequent staff removes the valve casting body 1, they can use tools to remove the bolts at the connection position between the filter screen 5 and the valve casting body 1, and then take out the filter screen 5 and replace or clean it.

[0041] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0042] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may 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 shall be included in the protection scope of the present invention.

Claims

1. A high-sealing casting, comprising a valve casting body (1) and a pipeline (2), wherein both ends of the valve casting body (1) are welded with a first flange (3), and the opposite ends of the two pipelines (2) are welded with a second flange (4); It is characterized in that Also includes: A positioning block (7) is welded at an equal angle on the side of the second flange (4) away from the pipeline (2), a positioning groove (8) is provided at an equal angle on the side of the first flange (3) away from the valve casting body (1), and a driving gear ring (14) is sleeved on the outer side of the first flange (3); A driven gear (9) is rotatably connected to the interior of the first flange (3) at an equal angle, and a threaded rod (10) is fixedly connected to the interior of the driven gear (9), a guide block (11) is sleeved on one end of the threaded rod (10), and a movable block (12) is fixedly connected to the side of the guide block (11); A docking block (13) is arranged inside the first flange (3) above the guide block (11), a protrusion is fixedly connected to one side of the docking block (13), and a first spring (17) is installed between the end of the protrusion and the inner wall of the first flange (3); A clamping groove (16) is provided at an equal angle on one side of the second flange (4), and a docking groove (15) is provided on the side of the positioning block (7).

2. A high-sealing casting according to claim 1, characterized in that: The end of the threaded rod (10) away from the guide block (11) is connected to the inner wall of the first flange (3) by a bearing, the guide block (11) and the threaded rod (10) are connected by threads, the outer side of the guide block (11) and the inner wall of the first flange (3) are connected by sliding, and the guide block (11) and the slot (16) are connected by snapping.

3. A high-sealing casting according to claim 1, characterized in that: The ends of the movable block (12) and the docking block (13) are both inclined, and the inclined surfaces of the movable block (12) and the docking block (13) are in contact with each other. The docking block (13) is snap-fitted to the docking groove (15), and the docking block (13) is slidably arranged inside the first flange (3) via a protrusion.

4. A high-sealing casting according to claim 1, characterized in that: The driving gear ring (14) is rotationally connected to the first flange (3), and the driving gear ring (14) is meshingly connected to the four driven gears (9).

5. A high-sealing casting according to claim 1, characterized in that: The left and right sides of the valve casting body (1) are both bolted with filter screens (5), one side of the two first flanges (3) is embedded with a sealing ring (6), and the outer sides of the two first flanges (3) are both sleeved and fixed with sealing rings (22).

6. A high-sealing casting according to claim 1, characterized in that: The side surface of the driving gear ring (14) is provided with a limiting groove (18) at an equal angle, the tops of the two first flanges (3) are fixedly connected with a fixing block (19), and the inside of the fixing block (19) is penetrated by a limiting rod (20), and a second spring (21) is installed between the outer side of the limiting rod (20) and the inner wall of the fixing block (19).

7. A high-sealing casting according to claim 6, characterized in that: The limiting rod (20) and the fixing block (19) are slidably connected, and the positions of the limiting rod (20) and the limiting groove (18) correspond to each other.

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