CN221921991U - A valve for foam sealant - Google Patents

Abstract

The utility model relates to the technical field of valves, and particularly discloses a valve for a foam joint mixture, wherein a ring body is arranged on the outer side of a sealing cup and used for connecting and fixing a foam joint mixture gun, a valve rod mounting hole is formed in the sealing ring, and the sealing ring is made of elastic materials; valve pole is located valve pole mounting hole, valve pole both ends are equipped with feed inlet and discharge gate respectively, valve pole one end is equipped with the sealing piece, the bottom laminating of sealing piece and sealing washer presses the valve pole, the valve pole stretches out downwards, make the sealing piece break away from the bottom of sealing washer, feed inlet and foam caulking agent bottle intercommunication, and then accomplish the ejection of compact, this technical scheme has cancelled the screw thread circle on the market, can the direct connection foam caulking agent rifle or foaming gum honeycomb duct, realize the barrel is dual-purpose, the security performance is high, in addition, the production link only needs to prepare a packing carton, need not to use the equipment of punching press screw thread circle in the production flow, the customer no longer distinguishes the product specification and prepares goods, selling and storage cost has been reduced.

Description

A valve for foam sealant

Technical Field

The utility model relates to the technical field of valves, and specifically discloses a valve used for foam sealants.

Background Art

The foam sealant injection devices currently used on the market use plastic threaded rings, which have two major defects:

1. Low safety, because the thread ring is made of plastic, which is easily expanded and contracted by temperature changes. The connection is not firm enough and is easy to fall off, affecting the use of the product. At the same time, the thread ring is connected to the sealing cup externally, and uneven force or falling and collision during construction can easily cause the caulking agent to explode.

2. The production cost is relatively high. First, the use of thread rings increases the cost. Second, two types of packaging cartons need to be prepared in the production process. Third, equipment for stamping thread rings needs to be added to the production process. In addition, customers need to consider products of different specifications when stocking up, which increases sales and storage costs.

Summary of the invention

The utility model is designed to address the deficiencies of the prior art and provides a valve for a foam sealant.

The technical solutions adopted by the utility model to solve the above problems are as follows:

The utility model provides a valve for a foam sealant, comprising:

A sealing cup, wherein a ring body is provided on the outer side of the sealing cup, and the ring body is used to connect and fix the foam sealant gun;

A sealing ring, the sealing ring is clamped on the sealing cup, and a valve stem mounting hole is provided on the sealing ring, and the sealing ring is made of elastic material;

The valve stem is located in the valve stem mounting hole, the valve stem is a hollow structure, a feed port and a discharge port are respectively provided at both ends of the valve stem, a sealing block is provided at one end of the valve stem close to the feed port, and the sealing block is fitted with the bottom of the sealing ring.

Furthermore, a limit block is provided on the valve stem, and the sealing ring is located between the limit block and the sealing block.

Furthermore, a thread is provided on the outer side of the valve stem, and the thread is located between the limit block and the discharge port.

Furthermore, the sealing cup is provided with a base, the base is provided with a sealing ring mounting hole, the sealing ring is provided with a first protrusion and a second protrusion, an annular groove is formed between the first protrusion and the second protrusion, the sealing ring is installed in the sealing ring mounting hole, and the annular groove is clamped on the inner wall of the sealing ring mounting hole.

Furthermore, the fitting surface between the sealing ring and the sealing block is a conical surface.

Furthermore, the sealing ring is made of rubber.

Furthermore, the ring body is made of metal.

The beneficial effects of the utility model are as follows: the technical scheme provides a valve for foam sealant, including a sealing cup, a sealing ring and a valve stem, a ring body is provided on the outer side of the sealing cup, the ring body is used to connect and fix the foam sealant gun, the sealing ring is clamped on the sealing cup, a valve stem mounting hole is provided on the sealing ring, and the material of the sealing ring is elastic material; the valve stem is located in the valve stem mounting hole, the valve stem is a hollow structure, and a feed port and a discharge port are respectively provided at both ends of the valve stem, a sealing block is provided at one end of the valve stem close to the feed port, and the sealing block fits with the bottom of the sealing ring, when in use, the valve stem is pressed, the valve stem extends downward, so that the sealing block is separated from the bottom of the sealing ring, the feed port is connected with the foam sealant bottle, and then the discharge is completed, the technical scheme cancels the threaded ring on the market, and can be directly connected to the foam sealant gun or the foam glue guide tube, so as to realize the dual use of the gun and the barrel, and has high safety performance, in addition, only one packaging carton needs to be prepared in the production link, and no equipment for stamping threaded rings is needed in the production process, customers no longer need to distinguish between product specifications and stock, and sales and storage costs are reduced.

BRIEF DESCRIPTION OF THE DRAWINGS

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

FIG1 is a perspective view of a valve for a foam sealant according to the present invention;

FIG2 is an exploded view of a valve for a foam sealant according to the present invention;

FIG3 is a perspective view of a sealing cup in a valve for a foam sealant according to the present invention;

FIG4 is a perspective view of a sealing ring in a valve for a foam sealant according to the present invention;

FIG. 5 is a cross-sectional view of a valve for a foam sealant according to the present invention.

Marked in the accompanying drawings: 1-sealing cup, 101-ring body, 102-sealing ring mounting hole, 103-base, 2-valve stem, 201-sealing block, 202-feed port, 203-limiting block, 204-thread, 205-discharge port, 3-sealing ring, 301-valve stem mounting hole, 302-first protrusion, 303-second protrusion, 304-annular groove.

DETAILED DESCRIPTION

In order to enable those skilled in the art to better understand the technical solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without making creative work are within the scope of protection of this application.

Referring to the accompanying drawings 1-5 of the specification, a valve for foam sealant includes a sealing cup 1, a sealing ring 3 and a valve stem 2. A ring body 101 is provided on the outer side of the sealing cup 1, and the ring body 101 is used to connect and fix the foam sealant gun. The sealing ring 3 is clamped on the sealing cup 1, and a valve stem mounting hole 301 is provided on the sealing ring 3. The material of the sealing ring 3 is an elastic material; the valve stem 2 is located in the valve stem mounting hole 301, and the valve stem 3 is a hollow structure. A feed port 202 and a discharge port 205 are respectively provided at both ends of the valve stem 3. A sealing block 201 is provided at one end of the valve stem 2 close to the feed port 202. The sealing block 201 fits with the bottom of the sealing ring 3. When in use, the valve stem 2 is pressed, and the valve stem 2 extends downward. When the valve stem 2 is not subjected to external pressure, the sealing ring 3 pushes up the valve stem 2 through the rebound force, and the sealing block 201 fits with the bottom of the sealing ring 3, so that the feed port 202 is isolated from the inside of the foam sealant bottle, thereby completing the valve closure. The present technical solution eliminates the threaded ring on the market and can be directly connected to the foam sealant gun or the foam glue guide tube to achieve dual-purpose gun and barrel with high safety performance. In addition, only one packaging carton needs to be prepared in the production process, and there is no need to use equipment for stamping threaded rings in the production process. Customers no longer need to distinguish between product specifications in stock, thereby reducing sales and storage costs.

As a preferred implementation manner of this embodiment, a limit block 203 is provided on the valve stem 2, and the sealing ring 3 is located between the limit block 203 and the sealing block 201, wherein the distance between the limit block 203 and the sealing block 201 is consistent with the height of the sealing ring 3, so that the sealing block 201 fits with the bottom of the sealing ring 3.

Specifically, a thread 204 is provided on the outer side of the valve stem 2, and the thread 204 is located between the limit block 203 and the discharge port 205. The valve stem 2 can be threadedly connected to the foam guide tube through the thread 204, so that the connection between the foam guide tube and the valve stem 2 is more stable.

As another preferred implementation manner of this embodiment, the sealing cup 1 is provided with a base 103, the base 103 is provided with a sealing ring mounting hole 102, the sealing ring 3 is provided with a first protrusion 302 and a second protrusion 303, an annular groove 304 is formed between the first protrusion 302 and the second protrusion 303, the sealing ring 3 is installed in the sealing ring mounting hole 102, and the annular groove 304 is clamped on the inner wall of the sealing ring mounting hole 102, wherein the base 103 is added and the height of the base 103 is increased, and the valve is more firmly combined with the can body after punching.

Specifically, the fitting surface between the sealing ring 3 and the sealing block 201 is a conical surface, so as to ensure the fitting degree between the sealing ring 3 and the sealing block 201 .

Specifically, the sealing ring 3 is made of rubber.

In addition, the ring body 101 is made of metal, so that the valve and the foam sealant gun are firmly connected and not easily damaged.

From the above description, it can be seen that the above embodiments of the utility model achieve the following technical effects:

The present technical scheme provides a valve for foam sealant, including a sealing cup, a sealing ring and a valve stem. A ring body is provided on the outer side of the sealing cup, and the ring body is used to connect and fix the foam sealant gun. The sealing ring is clamped on the sealing cup. A valve stem mounting hole is provided on the sealing ring. The sealing ring is made of elastic material. The valve stem is located in the valve stem mounting hole. The valve stem is a hollow structure. A feed port and a discharge port are provided at both ends of the valve stem respectively. A sealing block is provided at one end of the valve stem close to the feed port, and the sealing block fits with the bottom of the sealing ring. When in use, the valve stem is pressed and the valve stem extends downward, so that the sealing block is separated from the bottom of the sealing ring, and the feed port is connected with the foam sealant bottle, thereby completing the discharge. The present technical scheme eliminates the threaded ring on the market and can be directly connected to the foam sealant gun or the foam glue guide tube to achieve dual-purpose of the gun and barrel with high safety performance. In addition, only one packaging carton needs to be prepared in the production link, and no equipment for stamping threaded rings is required in the production process. Customers no longer need to distinguish between product specifications in stock, thereby reducing sales and storage costs.

Unless otherwise specifically stated, the relative arrangement, numerical expressions and numerical values of the parts and steps set forth in these embodiments do not limit the scope of the present application. At the same time, it should be understood that, for ease of description, the sizes of the various parts shown in the accompanying drawings are not drawn according to the actual proportional relationship. The technology, method and equipment known to those of ordinary skill in the relevant field may not be discussed in detail, but in appropriate cases, the technology, method and equipment should be considered as a part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as being merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so that once a certain item is defined in an accompanying drawing, it does not need to be further discussed in subsequent drawings.

In the description of the present application, it should be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, longitudinal, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore cannot be understood as limiting the scope of protection of the present application; in addition, the directional words "inside and outside" refer to the inside and outside relative to the outline of each component itself.

It should be understood that when an element is referred to as being "on" or "connected to" another element, it may be directly on the other element or directly connected to the other element, or an indirect connection may be made with an intervening element between the two. Conversely, when an element is referred to as being "directly" "on" or "directly connected to" another element, there are no intervening elements between the two.

In addition, it should be noted that in the description of the present invention, the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of this application. In the description of the present invention, unless otherwise stated, the meaning of "multiple" refers to two or more.

The above is a preferred embodiment of the present invention. It should be pointed out that a person skilled in the art can make several improvements and modifications without departing from the principle of the present invention. These improvements and modifications are also considered to be within the protection scope of the present invention.

Claims (7)

1. A valve for a foam caulking agent comprising:

the sealing cup is provided with a ring body at the outer side, and the ring body is used for connecting and fixing a foam caulking agent gun;

The sealing ring is clamped on the sealing cup, a valve rod mounting hole is formed in the sealing ring, and the sealing ring is made of elastic materials;

the valve rod is positioned in the valve rod mounting hole, the valve rod is of a hollow structure, two ends of the valve rod are respectively provided with a feed inlet and a discharge outlet, one end, close to the feed inlet, of the valve rod is provided with a sealing block, and the sealing block is attached to the bottom of the sealing ring.

2. A valve for a foam caulking agent according to claim 1, wherein said valve stem is provided with a stopper, said seal ring being located between said stopper and said seal block.

3. A valve for a foam caulking agent according to claim 2, wherein the outside of said valve stem is provided with threads, said threads being located between said stopper and said outlet.

4. A valve for a foam caulking agent according to claim 3, wherein a base is provided on said seal cup, a seal ring mounting hole is provided on said base, a first projection and a second projection are provided on said seal ring, an annular groove is formed between said first projection and said second projection, said seal ring is mounted in said seal ring mounting hole, and said annular groove is clamped on the inner wall of said seal ring mounting hole.

5. The valve for a foam caulking agent according to claim 4, wherein said sealing ring and said sealing block have a tapered surface on their mating surfaces.

6. The valve for a foam caulking agent of claim 5, wherein said gasket is rubber.

7. A valve for a foam caulking agent according to any one of claims 1-6, wherein said ring body is metallic.