Angle valve

Abstract

The utility model provides an angle valve which comprises a first shell and a water inlet branch pipe, and the top of the first shell is connected with a second shell through threads. An air cylinder is mounted at the top of the second shell through a bolt; the output end of the cylinder is connected with one end of an output rod; the other end of the output rod extends into the second shell and is connected with a connecting rod through threads. A sealing assembly used for sealing the water outlet is movably installed at the bottom of the connecting rod. A guide structure is arranged between the outer side wall of the connecting rod and the inner side wall of the second shell, the guide device is additionally arranged, the inner guide rod linearly slides in the guide hole in the guide plate, and a stable and accurate moving path is provided for the connecting rod and an attached sealing assembly of the connecting rod; not only are the stability and the accuracy of valve action improved, but also the problems of mechanical abrasion and poor sealing caused by deviation or shaking are reduced, so that the service life of the valve is prolonged.

Description

Technical Field

[0001] The utility model relates to the field of valves, in particular to an angle valve. Background Art

[0002] As key equipment for fluid control, valves play an irreplaceable role in many industries such as energy, chemical industry, medicine, agriculture, food, and military industry. Special valves, as valve types that can adapt to various special environments and complex working conditions, have become an indispensable and important part of modern industry. These valves are not only required to have high reliability and durability, but also need to meet the development trend of intelligence and automation to cope with the increasingly complex industrial production needs.

[0003] Angle valve, also known as angle stop valve or angle valve, is a type of valve with special structure. Its notable feature is that the inlet and outlet of the valve are at an oblique angle, so that the pipeline forms a turn at the valve. This design not only saves installation space, but also facilitates pipeline layout and fluid control. Angle valves are widely used in water and electricity installation, gas equipment, industrial process control and other fields, especially in places where right-angle piping is required, and its advantages are particularly obvious.

[0004] It has been found in practice that the angle valve core in the prior art is easily affected by factors such as fluid pressure, vibration and temperature changes during movement, resulting in an unstable movement trajectory; this will not only affect the sealing performance and service life of the valve, but may also cause safety hazards such as fluid leakage. Utility Model Content

[0005] In order to solve the problem in the prior art that the valve core of an angle valve is easily affected by factors such as fluid pressure, vibration and temperature changes during movement, resulting in an unstable movement trajectory, the utility model provides an angle valve;

[0006] The utility model provides an angle valve adopting the following technical solution:

[0007] An angle valve, comprising a first shell and a water inlet branch pipe, wherein the water inlet branch pipe is welded to the outer side wall of the first shell at an oblique angle; the first shell and the water inlet branch pipe are connected to each other; the end of the water inlet branch pipe away from the first shell is set as a water inlet, and the bottom of the first shell is provided with a water outlet; the top of the first shell is connected to the second shell by threads and is sealed by a sealing ring; the top of the second shell is installed with a cylinder by bolts and is sealed by a sealing ring; the output end of the cylinder is connected to one end of the output rod; the other end of the output rod extends to the inside of the second shell and is connected to a connecting rod by threads; a sealing assembly for sealing the water outlet is movably installed at the bottom of the connecting rod; a guide structure is provided between the outer side wall of the connecting rod and the inner side wall of the second shell, and a fixing assembly is provided between the outer side walls of the first shell and the second shell;

[0008] Further, the sealing assembly includes a sealing seat, a first sealing member, and a fixing plate; the bottom of the connecting rod is integrally formed with a sleeve rod having a diameter smaller than that of the connecting rod; the outer side wall of the sleeve rod is sleeved with a sealing seat; the outer side wall of the sealing seat is detachably mounted with a first sealing member; the bottom of the sealing seat is provided with a fixing plate; the fixing plate is connected to the sleeve rod by a thread, and the position of the sealing seat is clamped between the connecting rod and the fixing plate; the water outlet is provided at a side edge inside the first shell and is fixedly connected with a second sealing member, and the first sealing member and the second sealing member are used in conjunction with each other;

[0009] Furthermore, the sealing member is an inverted truncated cone structure, and the outer diameter of the sealing member is larger than the diameter of the water outlet; the sealing member is made of rubber;

[0010] Further, the guide structure includes a positioning plate, a guide rod, and a guide plate. The outer wall of the connecting rod is welded with a positioning plate; the top of the positioning plate is connected to the guide rod by a thread; the inner wall of the second shell is welded with a guide plate; a through hole for the connecting rod to pass through is opened inside the guide plate, and a guide hole is also opened inside the guide plate relative to the guide rod, and the guide rod passes through the guide hole and moves linearly;

[0011] Furthermore, a disassembly block is integrally formed on the outer side wall of the guide rod; the distance between the disassembly block and the guide plate is sufficient for the cylinder to drive the sealing seat to completely leave the first sealing member from the water outlet;

[0012] Furthermore, the disassembly block is any one of a rectangular, hexagonal, and octagonal structure;

[0013] Furthermore, the fixing assembly includes a first fixing block, a second fixing block, a fixing screw, and a slot; the first fixing block is welded to the outer wall of the first shell; the second fixing block is welded to the outer wall of the second shell; the first fixing block and the second fixing block are respectively provided with a threaded hole and a through hole; after the first fixing block and the second fixing block are threadedly connected to the first shell and the second shell to tighten the sealing ring, the through hole and the threaded hole will be on the same straight line; a fixing screw is provided in the through hole of the second fixing block, and the bottom of the fixing screw is threadedly connected to the threaded hole inside the first fixing block to prevent the threaded connection between the first shell and the second shell from loosening;

[0014] Furthermore, a slot for disassembly is provided at the top of the fixing screw; the slot is a hexagonal structure;

[0015] Furthermore, a disassembly hole for inserting an external disassembly tool is formed through the outer wall of the second fixing block.

[0016] In summary, the beneficial effects of the utility model are:

[0017] The utility model adds a guide device, fixes the guide rod on the connecting rod through a positioning plate, and the guide rod slides linearly in the guide hole in the guide plate, providing a stable and accurate moving path for the connecting rod and its attached sealing assembly; this design not only improves the stability and accuracy of the valve action, but also reduces the mechanical wear and poor sealing problems caused by deviation or shaking, thereby extending the service life of the valve;

[0018] In addition, the utility model adopts a modular design in which the first shell and the second shell are threadedly connected as a whole, and utilizes a fixing component to improve the stability of the connection, thereby achieving the purpose of facilitating repair and maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 For this utility model Figure 1 An enlarged schematic diagram of part A in FIG.

[0021] Figure 3 It is a schematic diagram of the internal structure of the utility model as a whole;

[0022] Figure 4 For this utility model Figure 3 A magnified schematic diagram of part B;

[0023] Figure 5 It is a plan view of the overall internal structure of the utility model.

[0024] As shown in the figure: 1-first shell, 11-water inlet branch, 12-water inlet, 13-water outlet, 2-second shell, 21-flat groove, 3-cylinder, 31-output rod, 32-connecting rod, 33-sleeve rod; 34-sealing seat, 35-first sealing member, 36-fixing plate, 37-second sealing member, 4-positioning plate, 41-guide rod, 42-disassembly block, 43-guide plate, 5-fixing assembly, 51-first fixing block, 52-second fixing block, 53-fixing screw, 54-slot, 55-disassembly hole. DETAILED DESCRIPTION

[0025] The following is combined with Figure 1-5 The utility model is further described in detail:

[0026] The utility model discloses an angle valve. Figure 5 As shown, an angle valve comprises a first shell 1 and a water inlet branch pipe 11, which is welded to the outer wall of the first shell 1 at an oblique angle; the first shell 1 and the water inlet branch pipe 11 are connected to each other; the end of the water inlet branch pipe 11 away from the first shell 1 is set as a water inlet 12, and the bottom of the first shell 1 is provided with a water outlet 13; the top of the first shell 1 is connected to the second shell 2 by threads and is sealed by a sealing ring; the top of the second shell 2 is installed with a cylinder 3 by bolts and is sealed by a sealing ring; the output end of the cylinder 3 is connected to one end of the output rod 31; the other end of the output rod 31 extends to the inside of the second shell 2 and is connected to a connecting rod 32 by threads; a sealing component for sealing the water outlet 13 is movably installed at the bottom of the connecting rod 32; a guide structure is provided between the outer wall of the connecting rod 32 and the inner wall of the second shell 2 A fixing assembly 5 is provided between the outer side walls of the first shell 1 and the second shell 2; in this embodiment, the second shell 2 is connected to the first shell 1 by a thread, and is sealed by a sealing ring, and a cylinder 3 is installed on the top; the cylinder 3 drives the connecting rod 32 and the sealing assembly to move up and down through the output rod 31 to realize the opening and closing of the water outlet 13; the design driven by the cylinder 3 makes the opening and closing operation of the valve more automated and labor-saving, thereby improving the operating efficiency; at the same time, the combination of the threaded connection and the sealing ring ensures the high sealing performance of the valve and prevents fluid leakage; in addition, in this embodiment, the modular design of splitting the whole into the first shell 1 and the second shell 2 makes the whole easy to repair and maintain. In addition, the design of the guide structure improves the stability of the valve action, reduces poor sealing or mechanical wear caused by offset, and prolongs the service life of the valve;

[0027] like Figure 3 , 5As shown, the sealing assembly includes a sealing seat 34, a first sealing member 35, and a fixing plate 36; the bottom of the connecting rod 32 is integrally formed with a sleeve rod 33 whose diameter is smaller than that of the connecting rod 32; the outer wall of the sleeve rod 33 is sleeved with a sealing seat 34; the outer wall of the sealing seat 34 is detachably mounted with a first sealing member 35; a fixing plate 36 is provided at the bottom of the sealing seat 34; the fixing plate 36 is connected to the sleeve rod 33 by a thread, and the position of the sealing seat 34 is clamped between the connecting rod 32 and the fixing plate 36; the water outlet 13 is arranged on one side edge of the interior of the first shell 1 and is fixedly connected with a second sealing member 37, and the first sealing member 35 and the second sealing member 37 are mutually fixed. The first seal 35 is an inverted truncated cone structure, and the outer diameter of the first seal 35 is larger than the diameter of the water outlet 13; the first seal 35 is made of rubber; in this embodiment, the sealing assembly includes a sealing seat 34, a first seal 35, a fixing sheet 36, etc. The sealing seat 34 is fixed to the connecting rod 32 by threaded connection, and the first seal 35 cooperates with the second seal 37 of the water outlet 13 for sealing; the first seal 35 of the inverted truncated cone structure and the rubber material both enhance the sealing effect, and can maintain good sealing even under high pressure; the detachable design facilitates the replacement of the seal and reduces the maintenance cost;

[0028] like Figure 3 , 5 As shown, the guide structure includes a positioning plate 4, a guide rod 41, and a guide plate 43. The outer wall of the connecting rod 32 is welded with the positioning plate 4; the top of the positioning plate 4 is connected to the guide rod 41 by a thread; the inner wall of the second shell 2 is welded with a guide plate 43; a through hole is provided inside the guide plate 43 for the connecting rod 32 to pass through, and a guide hole is also provided inside the guide plate 43 relative to the guide rod 41, and the guide rod 41 passes through the guide hole and moves linearly; in this embodiment, the positioning plate 4 is welded to the outer wall of the connecting rod 32 as the starting point and support point of the guide structure; its main function is to fix the guide rod 41 to ensure that the guide rod 41 can be vertically and stably installed on the connecting rod 32 without being offset or loosened due to external force; the guide rod 41 is threaded Or other fastening methods are connected to the top of the positioning plate 4 and extend upward; the outer diameter of the guide rod 41 matches the guide hole in the guide plate 43 to form a sliding fit; when the cylinder 3 drives the connecting rod 32 to move up and down, the guide rod 41 moves linearly in the guide hole, providing a precise guiding effect for the connecting rod 32; the guide plate 43 is welded to the inner wall of the second shell 2, and a through hole for the connecting rod 32 to pass through is opened inside it, ensuring that the connecting rod 32 can move freely without hindrance; and the guide hole, which matches the outer diameter of the guide rod 41, is used to guide the guide rod 41 to move linearly; the design of the guide hole ensures that the guide rod 41 will not deviate from the predetermined path during the movement, thereby ensuring that the sealing assembly can accurately match or separate with the water outlet 13;

[0029] like Figure 4 As shown, the outer wall of the guide rod 41 is integrally formed with a disassembly block 42; the disassembly block 42 is any one of a rectangular, hexagonal, and octagonal structure; in this embodiment, the disassembly block 42 is mainly used to disassemble the guide rod 41 by an external tool, such as a wrench, to achieve the disassembly of the connecting rod 32, that is, other components, and the disassembly block 42 also plays a role of limiting;

[0030] In addition, it is worth noting that the distance between the disassembly block 42 and the guide plate 43 is sufficient for the cylinder 3 to drive the sealing seat 34 to completely move the first sealing member 35 away from the water outlet 13;

[0031] like Figure 2 As shown, the fixing assembly 5 includes a first fixing block 51, a second fixing block 52, a fixing screw 53, and a slot 54; the first fixing block 51 is welded to the outer wall of the first shell 1; the second fixing block 52 is welded to the outer wall of the second shell 2; the first fixing block 51 and the second fixing block 52 are respectively provided with a threaded hole and a through hole; after the first fixing block 51 and the second fixing block 52 are threadedly connected to the first shell 1 and the second shell 2 to press the sealing ring, the through hole and the threaded hole will be on the same straight line; a fixing screw 53 is arranged in the through hole of the second fixing block 52, and the bottom of the fixing screw 53 is threadedly connected to the threaded hole inside the first fixing block 51 to prevent the threaded connection between the first shell 1 and the second shell 2 from loosening; the first shell 1 and the second shell 2 are fastened by the fixing assembly 5 to prevent the threaded connection from loosening; such a structure enhances the overall stability of the valve, effectively prevents the connection from loosening due to vibration or pressure changes, and improves the safety and reliability of the valve;

[0032] like Figure 2 As shown, a slot 54 for disassembly is provided at the top of the fixing screw 53; the slot 54 is a hexagonal structure; in this embodiment, the slot 54 is mainly used to allow the user to disassemble the fixing screw 53 by using an external tool, such as a hexagonal wrench;

[0033] like Figure 2 As shown, a disassembly hole 55 for inserting an external disassembly tool is formed through the outer wall of the second fixing block 52. In the present embodiment, in order to facilitate the disassembly of the first shell 1 and the second shell 2, the user inserts a hard rod-shaped tool into the disassembly hole 55, and uses the lever principle to easily loosen the threaded connection between the second shell 2 and the first shell 1.

[0034] The implementation principle of the embodiment of the utility model is:

[0035] When the utility model is in use, the water inlet 12 and the water outlet 13 are respectively connected to the corresponding transport pipes. When the pipeline needs to be opened and closed, it can be done through the cylinder 3. When the cylinder 3 moves up and down, the sealing seat 34 can be driven by the output rod 31 and the connecting rod 32 to compress and separate the first seal 35 and the second seal 37. In this process, the guide rod 41 moves linearly in the guide hole in the guide plate 43, providing a more stable movement for the movement of the connecting rod 32, ensuring the full cooperation of the first seal 35 and the second seal 37. In addition, the utility model realizes a modular design through the first shell 1 and the second shell 2. When it is necessary to maintain the interior, it only needs to remove the fixing screw 53 and use external tools to open the second shell 2 to maintain the interior.

[0036] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The various components mentioned in the utility model are common technologies in the existing field. The technicians in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only to illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. An angle valve, comprising a first housing (1) and a water inlet branch pipe (11), wherein the water inlet branch pipe (11) is welded to the outer wall of the first housing (1) at an oblique angle; the first housing (1) and the water inlet branch pipe (11) are connected to each other; an end of the water inlet branch pipe (11) away from the first housing (1) is provided as a water inlet (12), and a water outlet (13) is provided at the bottom of the first housing (1); characterized in that; The top of the first shell (1) is connected to the second shell (2) via a thread and is sealed by a sealing ring; the top of the second shell (2) is mounted with a cylinder (3) via bolts and is sealed by a sealing ring; the output end of the cylinder (3) is connected to one end of an output rod (31); the other end of the output rod (31) extends to the inside of the second shell (2) and is connected to a connecting rod (32) via a thread; a sealing assembly for sealing the water outlet (13) is movably mounted at the bottom of the connecting rod (32); a guiding structure is provided between the outer side wall of the connecting rod (32) and the inner side wall of the second shell (2), and a fixing assembly (5) is provided between the outer side walls of the first shell (1) and the second shell (2).

2. An angle valve according to claim 1, characterized in that The sealing assembly comprises a sealing seat (34), a first sealing member (35), and a fixing plate (36); the bottom of the connecting rod (32) is integrally formed with a sleeve rod (33) having a diameter smaller than that of the connecting rod (32); the outer wall of the sleeve rod (33) is sleeved with a sealing seat (34); the outer wall of the sealing seat (34) is detachably mounted with a first sealing member (35); the bottom of the sealing seat (34) is provided with a fixing plate (36); the fixing plate (36) is connected to the sleeve rod (33) by a thread, and the position of the sealing seat (34) is clamped between the connecting rod (32) and the fixing plate (36); the water outlet (13) is arranged on a side edge inside the first shell (1) and is fixedly connected with a second sealing member (37), and the first sealing member (35) and the second sealing member (37) are used in conjunction with each other.

3. An angle valve according to claim 2, characterized in that The sealing member is an inverted truncated cone structure, and the outer diameter of the sealing member is larger than the diameter of the water outlet (13); the sealing member is made of rubber.

4. An angle valve according to claim 1, characterized in that The guide structure comprises a positioning plate (4), a guide rod (41), and a guide plate (43); the outer wall of the connecting rod (32) is welded with the positioning plate (4); the top of the positioning plate (4) is connected to the guide rod (41) by means of a thread; the inner wall of the second shell (2) is welded with the guide plate (43); a through hole is provided inside the guide plate (43) for the connecting rod (32) to pass through; a guide hole is also provided inside the guide plate (43) relative to the guide rod (41); the guide rod (41) passes through the guide hole and moves linearly.

5. An angle valve according to claim 4, characterized in that The outer wall of the guide rod (41) is integrally formed with a disassembly block (42); the distance between the disassembly block (42) and the guide plate (43) is sufficient for the cylinder (3) to push the sealing seat (34) to push the first sealing member (35) completely away from the water outlet (13).

6. An angle valve according to claim 5, characterized in that The disassembly block (42) is any one of a rectangular, hexagonal and octagonal structure.

7. An angle valve according to claim 1, characterized in that The fixing assembly (5) comprises a first fixing block (51), a second fixing block (52), a fixing screw (53), and a slot (54); the first fixing block (51) is welded to the outer wall of the first shell (1); the second fixing block (52) is welded to the outer wall of the second shell (2); a threaded hole and a through hole are respectively provided inside the first fixing block (51) and the second fixing block (52); after the first shell (1) and the second shell (2) are threadedly connected to each other and the sealing ring is pressed, the through hole and the threaded hole are located on the same straight line; a fixing screw (53) is provided in the through hole of the second fixing block (52), and the bottom of the fixing screw (53) is threadedly connected to the threaded hole inside the first fixing block (51) to prevent the threaded connection between the first shell (1) and the second shell (2) from loosening.

8. An angle valve according to claim 7, characterized in that A slot (54) for disassembly is provided on the top of the fixing screw rod (53); the slot (54) is a hexagonal structure.

9. An angle valve according to claim 7, characterized in that A disassembly hole (55) for inserting an external disassembly tool is formed through the outer wall of the second fixing block (52).

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