Glue overflow prevention emptying valve

By incorporating a groove and a retaining ring in the discharge valve with an interference fit, the problems of glue overflow and dirt accumulation in all-plastic ball valves during discharge are solved, achieving both sealing and aesthetic appeal in the welding process.

CN224017809UActive Publication Date: 2026-03-20河北世纪恒泰富塑业有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-08
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

Existing all-plastic ball valves are prone to glue overflow during the discharge process, resulting in an uneven appearance and easy accumulation of dirt, which is especially noticeable when used outdoors.

Method used

An anti-overflow discharge valve was designed. By setting a groove and a retaining ring between the plastic valve body and the valve seat, the welding strength is enhanced by interference fit and sealed space to prevent glue overflow. An interference fit area is set on the outer surface to prevent dirt and grime from accumulating.

Benefits of technology

It effectively prevents glue overflow, enhances welding strength, ensures aesthetic appearance, avoids dirt accumulation, and improves the sealing and reliability of the weld.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of emptying valves, in particular to a glue overflow prevention emptying valve which comprises a plastic valve body, a ball body provided with a through hole is arranged in the plastic valve body, a plastic valve seat is arranged below the plastic valve body, a clamping groove is formed in the middle of the outer side wall of the plastic valve seat, and a clamping ring in interference fit with the clamping groove is arranged at the bottom of the plastic valve body. An inner chamfer and an outer chamfer are arranged on the inner side and the outer side of the bottom of the clamping ring respectively, an interference protruding ring face is arranged at the position, located above the outer chamfer, of the outer side of the bottom of the clamping ring, and the interference protruding ring face is in transition fit with the outer wall of the plastic valve body through a transition face. During welding, molten materials can form a closed space in a welding overflow area, pressure is increased, compactness of the molten materials of an upper accessory and a lower accessory is improved, the two accessories make full contact, the welding strength is improved, an interference fit area is arranged, dirt cannot be hidden, and meanwhile the appearance attractiveness of the discharging valve is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a discharging valve technical field, concretely is a kind of discharging valve of anti spill. BACKGROUND

[0002] Plastic ball valve is a kind of ball valve, mainly by RE or PP injection molding assembly molding, suitable for the process of conveying corrosive medium is cut off, with excellent corrosion resistance and temperature resistance (according to different material application temperature range is different), it is called discharging valve when being used for discharging, since all-plastic ball valve, usually all-plastic valve only one hot melt welding ring, easy to appear overflow glue serious, appearance appears concave-convex condition, if use in outdoor, still easy to appear dirt hiding in hot melt welding ring position, for this, design a kind of welding no overflow glue and firm, and molten material will form closed space in welding overflow area when welding, increase pressure increase the compactness of upper and lower fittings molten material, make two fittings fully contact, increase welding strength, and set up interference fit area, will not hide dirt, improve its surface aesthetic appearance simultaneously anti spill discharging valve. SUMMARY

[0003] (I) the technical problem solved

[0004] In view of the deficiencies of prior art, the utility model provides a kind of discharging valve of anti spill, welding no overflow glue and firm, and molten material will form closed space in welding overflow area when welding, increase pressure increase the compactness of upper and lower fittings molten material, make two fittings fully contact, increase welding strength, and set up interference fit area, will not hide dirt, improve its surface aesthetic appearance simultaneously anti spill discharging valve.

[0005] (II) technical scheme

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of discharging valve of anti spill, including plastic valve body, the ball body of being provided with through hole is arranged in the plastic valve body, the lower part of the plastic valve body is provided with plastic valve seat, the outer side wall middle part of the plastic valve seat is provided with clamping groove, the bottom of the plastic valve body is provided with the clamping ring of interference fit with clamping groove, the inner chamfer and outer chamfer of the clamping ring bottom inside and outside are respectively provided, the interference convex ring surface of the bottom outside of the clamping ring is located the position above outer chamfer, and the interference convex ring surface and the outer wall of plastic valve body are transitioned by transition surface transition fit.

[0007] Preferably, the side opposite to plastic valve seat on plastic valve body is threadedly connected with sealing cover.

[0008] Preferably, the valve stem is transversely sealed and rotationally connected to the position between sealing cover and plastic valve seat on plastic valve body, the valve stem is guidedly engaged with the ball body, and the valve stem and the through hole are vertically distributed.

[0009] Preferably, an adjusting handle is fixedly installed on the valve rod.

[0010] Preferably, a sealing ring pad in sliding sealing cooperation with the ball is clamped and cooperated in the plastic valve body and the plastic valve seat.

[0011] (Three) beneficial effects

[0012] Compared with the prior art, the utility model provides a material discharging valve of anti -overflowing glue, has the following beneficial effects:

[0013] The material discharging valve of anti -overflowing glue, through the cooperation of the clamping groove and the clamping ring, the clamping ring is heated to the molten state, and when the clamping ring is clamped into the clamping groove from above, the molten material forms a hot melt butt joint with the side wall of the plastic valve body above the clamping groove. Because of the setting of the clamping groove, the molten material can be received, and overflow is avoided, thereby reacting on the molten butt joint position, enhancing the welding strength, and the interference fit avoids the dirt accumulation condition, guarantees the appearance of the appearance, the material discharging valve of anti -overflowing glue is welded without overflow and is firm, and when welding, the molten material forms a closed space in the welding overflow area, increases the pressure and increases the density of the molten material of the upper and lower fittings, makes two fittings fully contact, increases the welding strength, and sets up the interference fit area, does not hide dirt, simultaneously improves the appearance of the appearance. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the structure schematic diagram of partial section of the whole of the utility model;

[0015] Figure 2 It is the structure schematic diagram of partial section of other decomposition of the whole of the utility model;

[0016] Figure 3 It is the structure schematic diagram of partial section of other decomposition of the whole of the utility model; Figure 2 It is the structure schematic diagram of partial section of other decomposition of the whole of the utility model;

[0017] Figure 4 It is the structure schematic diagram of partial section of other decomposition of the whole of the utility model;

[0018] Figure 5 It is the structure schematic diagram of partial section of other decomposition of the whole of the utility model.

[0019] Mark in the drawing: 1, plastic valve body;2, ball;3, plastic valve seat;4, sealing cover;5, sealing ring pad;6, clamping groove;7, clamping ring;8, inner chamfer;9, interference convex ring surface;10, outer chamfer;11, transition surface;12, valve rod;13, adjusting handle. DETAILED DESCRIPTION

[0020] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0021] Embodiment:

[0022] Please refer to Figures 1-5 The application discloses a glue-overflow-preventing feeding valve, which comprises a plastic valve body 1, a ball 2 provided with a through hole arranged in the plastic valve body 1, and a plastic valve seat 3 arranged below the plastic valve body 1. The plastic valve seat 3 is connected with a pipeline in three modes, including welding, integral thread mode and split thread mode, so that the bottom of the plastic valve seat 3 has different structural modes, such as the welding mode shown in the drawing. A clamping groove 6 is arranged in the middle of the outer side wall of the plastic valve seat 3, and a clamping ring 7 in interference fit with the clamping groove 6 is arranged at the bottom of the plastic valve body 1. An inner chamfer 8 and an outer chamfer 10 are respectively arranged on the inner side and the outer side of the bottom of the clamping ring 7. An interference convex ring surface 9 is arranged on the outer side of the bottom of the clamping ring 7 and located above the outer chamfer 10, and the interference convex ring surface 9 and the outer wall of the plastic valve body 1 are in transition fit through a transition surface 11.

[0023] Specifically, a sealing cover 4 is threadedly connected to the side of the plastic valve body 1 opposite to the plastic valve seat 3, so that the plastic valve body 1 is convenient to be used for feeding after the sealing cover 4 is screwed off.

[0024] Specifically, a valve rod 12 is transversely and sealingly rotatably connected to the plastic valve body 1 and located between the sealing cover 4 and the plastic valve seat 3. The valve rod 12 is in guiding and clamping connection with the ball 2 and is vertically distributed with the through hole, so that the ball 2 is conveniently rotated by rotating the valve rod 12, so that the through hole is in a vertical state or is adjusted to a horizontal state. When the through hole is in the vertical state, the plastic valve body 1 is convenient to be used for unloading, and when the through hole is in the horizontal state, the plastic valve body 1 is convenient to be used for stopping unloading.

[0025] Specifically, an adjusting handle 13 is fixedly installed on the valve rod 12, so that the valve rod 12 is conveniently rotated by the adjusting handle 13.

[0026] Specifically, a sealing ring pad 5 in sealing and sliding fit with the ball 2 is clampingly and cooperatively arranged in the plastic valve body 1 and the plastic valve seat 3, so that the ball 2 is conveniently sealed by the sealing ring pad 5, and the sealing performance is improved.

[0027] It should be noted that the use of "a" or "an" or "the" or similar referents in the specification are used inclusively and in the discretion of the inventor(s) to refer to both singular and plural, unless otherwise indicated herein and / or by context. The use of "first", "second", or "third" or similar referents in the specification is used inclusively and in the discretion of the inventor(s) to refer to a feature or characteristic that can be combined with another feature or characteristic, unless otherwise indicated herein and / or by context. The use of "one or more" or "at least one" or similar referents in the specification is used inclusively and in the discretion of the inventor(s) to refer to one or more or at least one, unless otherwise indicated herein and / or by context. The use of "including," "containing," or "comprising" or similar referents in the specification are used inclusively and in the discretion of the inventor(s) to refer to processes, methods, articles, or apparatuses that include a series of elements but not exclusive of other elements not specifically listed or inherent to such processes, methods, articles, or apparatuses. The use of "consisting essentially of" or "consisting of" or similar referents in the specification are used inclusively and in the discretion of the inventor(s) to refer to processes, methods, articles, or apparatuses that include a series of elements but not exclusive of other elements not specifically listed or inherent to such processes, methods, articles, or apparatuses, unless otherwise indicated herein and / or by context.

[0028] It will be readily understood that the terms "on", "above", and "over" in the present disclosure are to be interpreted in the broadest context, such that "on" means not only "directly on", but also includes the meaning of "on" with intervening features or layers therebetween, and "above" or "over" includes not only the meaning of "above" or "over", but also the meaning of "above" or "over" with no intervening features or layers therebetween (i.e., directly on).

[0029] Furthermore, spatially relative terms, such as "beneath", "below", "lower", "above", "upper", and the like, can be used herein for ease of description to describe one element or feature's relationship to another element(s) or feature(s) as illustrated in the figures. The spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientations depicted in the figures. The devices can be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

[0030] It should be noted that the relational terms herein, such as "first", "second", and the like, are used solely to distinguish one from another entity or action without necessarily requiring or implying any actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a", "comprises...", or "comprising" does not, without more constraints, preclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0031] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A discharge valve for preventing glue spillage, characterized in that: The device includes a plastic valve body (1), a ball (2) with a through hole inside the plastic valve body (1), a plastic valve seat (3) below the plastic valve body (1), a groove (6) in the middle of the outer side wall of the plastic valve seat (3), a retaining ring (7) with interference fit to the groove (6) at the bottom of the plastic valve body (1), an inner chamfer (8) and an outer chamfer (10) respectively on the inner and outer sides of the bottom of the retaining ring (7), an interference convex ring surface (9) above the outer chamfer (10) at the bottom outer side of the retaining ring (7), and the interference convex ring surface (9) and the outer wall of the plastic valve body (1) are transitionally fitted through a transition surface (11).

2. The discharge valve for preventing overflow of adhesive according to claim 1, characterized in that: A sealing cap (4) is threaded onto the side of the plastic valve body (1) opposite to the plastic valve seat (3).

3. The discharge valve for preventing overflow of adhesive according to claim 2, characterized in that: The plastic valve body (1) is laterally sealed and rotatably connected to a valve stem (12) located between the sealing cap (4) and the plastic valve seat (3). The valve stem (12) is guided and engaged with the ball (2), and the valve stem (12) is perpendicular to the through hole.

4. The discharge valve for anti-overflow adhesive according to claim 3, characterized in that: An adjusting handle (13) is fixedly installed on the valve stem (12).

5. The discharge valve for preventing overflow of adhesive according to claim 4, characterized in that: Both the plastic valve body (1) and the plastic valve seat (3) are fitted with sealing gaskets (5) that are in a sealing and sliding fit with the ball (2).