Filling valve assembly

Abstract

The utility model belongs to the technical field of filling valves, and particularly discloses a filling valve assembly which comprises a piston cylinder and a guide sleeve, the guide sleeve is fixed at the top end of the piston cylinder, a rod body outer sleeve is inserted in the guide sleeve, an upper guide ring is fixed on the periphery of the top end of the rod body outer sleeve, and a lower guide ring is fixed on the top end of the rod body outer sleeve. A piston rod is movably connected to the interior of the rod body outer sleeve, and a limiting block is installed in the center of the interior of the piston cylinder. According to the filling valve assembly, the piston rod is movably connected into the rod body outer sleeve, the piston rod and the rod body outer sleeve are fixed together through the nut, the upper portion and the lower portion of the piston rod are fixed to the upper guide ring and the lower guide ring respectively, movement of the rod body outer sleeve in the piston cylinder can be limited, and after the nut is unscrewed, the position of the piston rod is adjusted, and the nut is used for reinforcement again; the position relation between the sealing assembly at the bottom of the rod body outer sleeve and the limiting block is changed, the pressing degree of the sealing assembly is adjusted, gap increase caused by abrasion is compensated, and the problem that the valve body is inconvenient to adjust is solved.

Description

Technical Field

[0001] This utility model relates to the field of filling valve technology, specifically to a filling valve assembly. Background Technology

[0002] The filling machine is equipped with a filling valve that precisely controls the flow of materials. It is usually connected to a pipeline and fills multiple empty containers that are passed down to prevent leakage, pollution of the surrounding environment, or waste of materials. In order to speed up the filling process, some filling machines are also equipped with multiple filling valves.

[0003] In multi-head filling machines, the precision of each head cannot be guaranteed to be consistent during installation and use, so fine adjustments need to be made to each filling head. In the past, the valve body assembly was complicated and could not be easily opened, let alone adjusted the discharge precision, making it quite inconvenient to use.

[0004] Now, a novel filling valve assembly is proposed to solve the above problems. Utility Model Content

[0005] The purpose of this invention is to provide a filling valve assembly to solve the problem of inconvenient valve body adjustment mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a filling valve assembly, comprising a piston cylinder and a guide sleeve, wherein the top end of the piston cylinder is fixed with the guide sleeve, and a rod sleeve is inserted into the inside of the guide sleeve; an upper guide ring is fixed around the top end of the rod sleeve; a piston rod is movably connected inside the rod sleeve; a limit block is installed at the center inside the piston cylinder; a lower guide ring is fixed around the bottom side of the rod sleeve; a sealing assembly is installed around the bottom of the rod sleeve; a valve body is installed at the bottom of the piston cylinder; a frame plate is installed at the center outside the piston cylinder, and cylindrical pins are fixed on both sides of the top of the frame plate.

[0007] As a further technical solution of this utility model, the sealing component is embedded on both sides of the top of the limiting block, and the upper guide ring and the lower guide ring can guide the outer sleeve of the rod to slide.

[0008] As a further technical solution of this utility model, a slot is provided longitudinally on the left side of the guide sleeve, a roller shaft is installed on the left side of the outer sleeve of the rod body, and a guide block is sleeved on the right side of the roller shaft. A piston roller is sleeved on the left side of the outer sleeve of the roller shaft, and a deep groove ball bearing is installed on the left side inside the piston roller. A hexagonal screw is assembled inside the left side of the roller shaft, and a retaining ring is longitudinally installed around the side of the hexagonal screw.

[0009] As a further technical scheme of the utility model, the roller shaft can move vertically along the slotted inner wall, the hexagonal screw, the check ring, the deep groove ball bearing, the piston roller and the roller shaft are arranged in concentric circles.

[0010] As a further technical scheme of the utility model, the valve body is internally provided with a valve core, a discharge port is longitudinally arranged on the left side of the valve body, a valve cover is fixed on the left side of the valve body, a rubber sealing ring is fixed in the valve cover, a sealing ring is arranged between the rubber sealing ring and the valve body, a valve handle is movably connected to the surface of the left side of the valve body, and a gasket is arranged between the center of the valve handle and the valve body.

[0011] As a further technical scheme of the utility model, the valve handle can guide the valve core to rotate in the valve body, and the valve core can close the discharge port at the bottom when rotating.

[0012] Compared with the prior art, the filling valve assembly can precisely adjust the discharge structure of the valve body, is convenient to operate, and can precisely open or close the valve.

[0013] (1) The piston rod is movably connected in the inner part of the rod body sleeve, the piston rod is fixed with the rod body sleeve through a nut, and the upper and lower parts are fixed with the upper and lower guide rings, respectively, so that the movement of the rod body sleeve in the piston cylinder is limited, the position of the piston rod is adjusted after the nut is loosened, and the nut is used for fastening again, the position relationship between the bottom sealing assembly of the rod body sleeve and the limiting block is changed, the compression degree of the sealing assembly is adjusted, the gap between the piston rod and the piston cylinder is increased due to wear, and the fine adjustment of each filling valve head can be realized.

[0014] (2) The slotted groove is longitudinally arranged on the left side of the guide sleeve, and the roller shaft is arranged on the left side of the rod body sleeve, the object slides along the inner wall of the slotted groove by means of the guide block, the outer side of the roller shaft is connected with the piston roller through the deep groove ball bearing, the distance of the up and down movement of the piston cylinder is observed conveniently, the hexagonal screw with the check ring can be connected with other objects, and the operation is faster and more convenient.

[0015] (3) The valve core is arranged in the valve body, the valve handle is arranged on the valve cover through the gasket, the valve core is rotated in the chamber in the valve body when the valve handle works, the channel in the valve core is aligned or misaligned with the discharge port, the sealing ability of the valve cover is enhanced through the sealing ring and the rubber sealing ring, the leakage of the material from the valve handle is prevented, and the injection of the material by the valve body is not affected. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a front view of the sectional structure of the utility model;

[0017] Figure 2 The side view structure schematic diagram of the utility model;

[0018] Figure 3 The side view structure schematic diagram of the utility model; Figure 1 The middle A place partial section enlarged structure schematic diagram;

[0019] Figure 4 The top view structure schematic diagram of the utility model.

[0020] In the drawing: 1, piston cylinder; 2, valve body; 3, valve core; 4, discharge port; 5, sealing ring; 6, rubber sealing ring; 7, valve cover; 8, valve handle; 9, washer; 10, hexagonal screw; 11, check ring; 12, deep groove ball bearing; 13, piston roller; 14, roller shaft; 15, guide block; 16, guide sleeve; 17, piston rod; 18, upper guide ring; 19, rod body sleeve; 20, lower guide ring; 21, sealing assembly; 22, limit block; 23, cylindrical pin; 24, slotted; 25, rack plate. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] Please refer to Figures 1-4 The utility model provides an embodiment: a filling valve assembly, including piston cylinder 1 and guide sleeve 16, the top of piston cylinder 1 is fixed with guide sleeve 16, and the inside of guide sleeve 16 is inserted with rod body sleeve 19, and the top of rod body sleeve 19 is fixed with upper guide ring 18 on a circle, and the inside of rod body sleeve 19 is movably connected with piston rod 17, and the center of the inside of piston cylinder 1 is installed with limit block 22, and the bottom side of rod body sleeve 19 is fixed with lower guide ring 20 on a circle, and the bottom of rod body sleeve 19 is installed with sealing assembly 21 on a circle, and the bottom of piston cylinder 1 is installed with valve body 2, and the center of the outside of piston cylinder 1 is installed with rack plate 25, and the both sides of the top of rack plate 25 are respectively fixed with cylindrical pin 23;

[0023] Sealing assembly 21 is embedded on the both sides of the top of limit block 22, and upper guide ring 18 and lower guide ring 20 can guide the sliding of rod body sleeve 19;

[0024] Specifically, as Figure 1 , Figure 2 and Figure 4As shown, the piston rod 17 is fixed together with the sleeve 19 by a nut, and is fixed to the upper guide ring 18 and the lower guide ring 20 respectively, so as to limit the movement of the sleeve 19 in the piston cylinder 1. After loosening the nut, the position of the piston rod 17 is adjusted and the nut is used again to reinforce, so as to change the position relationship between the bottom sealing assembly 21 and the limiting block 22 of the sleeve 19, and to adjust the compression degree of the sealing assembly 21, so as to compensate the gap increase caused by abrasion.

[0025] The left side of the guide sleeve 16 is longitudinally provided with a slot 24, the left side of the sleeve 19 is provided with a roller shaft 14, the right side of the roller shaft 14 is externally sleeved with a guide block 15, the left side of the roller shaft 14 is externally sleeved with a piston roller 13, the left side of the inside of the piston roller 13 is provided with a deep groove ball bearing 12, the inside of the left side of the roller shaft 14 is assembled with a hexagonal screw 10, and a one-week longitudinal stop ring 11 is mounted on the side of the hexagonal screw 10, the roller shaft 14 can move vertically along the inner wall of the slot 24, and the hexagonal screw 10, the stop ring 11, the deep groove ball bearing 12, the piston roller 13 and the roller shaft 14 are arranged in concentric circles;

[0026] Specifically, as shown in Figure 1 , Figure 2 and Figure 4 , the left side of the sleeve 19 is provided with the roller shaft 14, the object slides along the inner wall of the slot 24 by means of the guide block 15, and the outer side of the roller shaft 14 is connected with the piston roller 13 through the deep groove ball bearing 12, which facilitates people to observe the distance of the piston cylinder 1 moving up and down, and the hexagonal screw 10 with the stop ring 11 also facilitates the roller shaft 14 to connect other objects.

[0027] The inside of the valve body 2 is provided with a valve core 3, the left side of the inside of the valve body 2 is longitudinally provided with a discharge port 4, the left side of the inside of the valve body 2 is fixed with a valve cover 7, the inside of the valve cover 7 is fixed with a rubber sealing ring 6, and the rubber sealing ring 6 and the valve body 2 are provided with a sealing ring 5, the surface of the left side of the valve body 2 is movably connected with a valve handle 8, and the center of the valve handle 8 is provided with a gasket 9 between the valve body 2, the valve handle 8 can guide the valve core 3 to rotate in the valve body 2, and the valve core 3 can close the bottom discharge port 4 when rotating;

[0028] Specifically, as shown in Figure 1 and Figure 3 , the valve handle 8 is installed on the valve cover 7 through the gasket 9, and when the valve handle 8 works, the valve core 3 can be rotated in the chamber of the valve body 2, so that the channel in the valve core 3 is aligned or misaligned with the discharge port 4, and the inside of the valve cover 7 is sealed by the sealing ring 5 and the rubber sealing ring 6, preventing leakage of materials from the valve handle 8.

[0029] Working principle: the utility model discloses in use, first, piston rod 17 is fixed together through nut and stem body outer cover 19, is fixed in upper guide ring 18 and lower guide ring 20 respectively in upper and lower, can limit stem body outer cover 19 in the movement of piston cylinder 1, after loosening the nut, adjust the position of piston rod 17 and reinforce using the nut again, change the positional relationship between stem body outer cover 19 bottom sealing assembly 21 and spacing block 22, adjust the compression degree of sealing assembly 21, to compensate the clearance increase due to abrasion, because the left side of stem body outer cover 19 is equipped with gyro wheel axle 14, this object slides along the inner wall of slotted 24 by guide block 15, and the outside of gyro wheel axle 14 is also connected with piston gyro wheel 13 through deep groove ball bearing 12, convenient for people to observe the distance of the up and down movement of piston cylinder 1, valve handle 8 is installed on valve cover 7 through washer 9, when valve handle 8 works, can rotate valve core 3 in the chamber in valve body 2, make the passage in valve core 3 and discharge port 4 align or dislocation, and the inside of valve cover 7 is sealed by sealing ring 5 and rubber sealing ring 6 two fittings, prevent material from valve handle 8 place to produce leakage.

[0030] It is obvious for those skilled in the art that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims instead of the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A fill valve assembly comprising a piston barrel (1) and a guide sleeve (16), characterized in that: The top end of the piston cylinder (1) is fixed with a guide sleeve (16), and the inside of the guide sleeve (16) is inserted with a rod body sleeve (19), the top end of the rod body sleeve (19) is fixed with an upper guide ring (18) in a circle, the inside of the rod body sleeve (19) is movably connected with a piston rod (17), the inside of the piston cylinder (1) is installed with a limit block (22) at the center, the bottom side of the rod body sleeve (19) is fixed with a lower guide ring (20) in a circle, the bottom of the rod body sleeve (19) is installed with a sealing assembly (21), the bottom of the piston cylinder (1) is installed with a valve body (2), the center of the outside of the piston cylinder (1) is installed with a rack plate (25), and the top of the rack plate (25) is fixed with a cylindrical pin (23) on both sides respectively.

2. A fill valve assembly according to claim 1, wherein: The sealing assembly (21) is embedded on both sides of the top end of the limit block (22), and the upper guide ring (18) and the lower guide ring (20) can guide the sliding of the rod body sleeve (19).

3. A fill valve assembly according to claim 1, wherein: The left side of the guide sleeve (16) is longitudinally provided with a slot (24), the left side of the rod body sleeve (19) is installed with a roller shaft (14), the right side of the outside of the roller shaft (14) is sleeved with a guide block (15), the left side of the outside of the roller shaft (14) is sleeved with a piston roller (13), the left side of the inside of the piston roller (13) is installed with a deep groove ball bearing (12), the inside of the left side of the roller shaft (14) is assembled with a hexagonal screw (10), and the left side of the hexagonal screw (10) is longitudinally installed with a check ring (11) in a circle.

4. A fill valve assembly according to claim 3, wherein: The roller shaft (14) can move vertically along the inner wall of the slot (24), and the hexagonal screw (10), the check ring (11), the deep groove ball bearing (12), the piston roller (13) and the roller shaft (14) are arranged in concentric circles.

5. A fill valve assembly according to claim 1, wherein: The inside of the valve body (2) is installed with a valve core (3), the left side of the inside of the valve body (2) is longitudinally provided with a discharge port (4), the left side of the inside of the valve body (2) is fixed with a valve cover (7), the inside of the valve cover (7) is fixed with a rubber sealing ring (6), a sealing ring (5) is installed between the rubber sealing ring (6) and the valve body (2), and the surface of the left side of the valve body (2) is movably connected with a valve handle (8), and the center of the valve handle (8) is installed with a gasket (9) between the valve body (2).

6. A fill valve assembly according to claim 5, wherein: The valve handle (8) can guide the rotation of the valve core (3) in the valve body (2), and the valve core (3) can close the discharge port (4) at the bottom when rotating.

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