Anti-abrasion connecting cover of foam bottle

Abstract

The utility model relates to the technical field of cleaning equipment, and discloses a foam bottle anti-abrasion connecting cover which comprises a metal shell, the metal shell comprises a valve body connecting part and a bottle body connecting part which are integrally formed, and a plastic connecting part is fixedly arranged in the bottle body connecting part. And internal threads matched with threads at the bottle opening of the foam bottle are formed on the inner wall of the plastic connecting part. According to the foam kettle, the plastic connecting part with the internal threads is embedded in the metal shell, abrasion can be effectively reduced through connection between plastics, meanwhile, the connection sealing performance between the plastics can be improved, and the problems that threads of an existing foam kettle are prone to abrasion, and liquid is prone to overflowing are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of cleaning equipment, in particular to an anti-wear connecting cover for a foam bottle. Background Art

[0002] A foam generator is a device for generating foam. The working principle of the foam generator is to suck the cleaning liquid and air into the pipeline through the jet principle and mix them in the pipeline. CN 112024147 A discloses a foam generator. Paragraph 0022 of the specification discloses that "it includes a plastic pot 22, a foam pot nut 23 is connected to the top of the plastic pot 22, and a main body 2 is connected to the top of the foam pot nut 23". Since the material of the foam pot nut of the existing foam generator is metal and the thread at the top of the plastic pot 22 is made of plastic, during use, the metal foam pot nut will wear the thread at the top of the plastic pot. After multiple uses, the thread at the top of the plastic pot will be severely worn, resulting in problems such as slipping of the thread or overflow of the cleaning liquid in the foam pot. Content of the Utility Model

[0003] The purpose of the utility model is to provide an anti-wear connecting cover for a foam bottle. By inlaying a plastic connecting part with an internal thread inside the metal shell, the connection between plastics can effectively reduce wear, and at the same time improve the connection sealing performance between the two, solving the problems of easy wear of the existing foam pot thread and easy overflow of liquid.

[0004] The above technical purpose of the utility model is achieved through the following technical solutions:

[0005] An anti-wear connecting cover for a foam bottle includes a metal shell. The metal shell includes an integrally formed valve body connecting part and a bottle body connecting part. A plastic connecting part is fixedly arranged inside the bottle body connecting part, and an internal thread matching the thread of the foam bottle mouth is formed on the inner wall of the plastic connecting part.

[0006] By connecting the internal thread of the plastic connecting part with the external thread of the foam bottle mouth, since both are plastic products, wear can be reduced, and at the same time, the connection between plastics can improve the sealing performance between the two. The internal thread of the plastic connecting part can be formed by injection molding, which can reduce the later processing work of the internal thread.

[0007] The utility model is further arranged as follows: a number of protrusions are formed on the inner wall of the bottle body connecting part. Through the number of protrusions, relative rotation between the bottle body connecting part and the plastic connecting part can be prevented after connection, and at the same time, the bonding area can be increased, improving the bonding force and bonding stability between the two.

[0008] The present utility model is further configured as follows: A plurality of annular grooves are formed on the inner wall of the bottle body connecting portion; the annular grooves can prevent axial movement after the connection between the bottle body connecting portion and the plastic connecting portion, and further improve the connection stability between the two.

[0009] The plastic connecting portion is fixed inside the bottle body connecting portion by an inlaying method, and the inlaying method can improve the integrity of the two and reduce later assembly.

[0010] The present utility model is further configured as follows: The outer end of the plastic connecting portion wraps the outer end face of the bottle body connecting portion;

[0011] The outer wall of the plastic connecting portion is flush with the outer wall of the bottle body connecting portion.

[0012] The outer wall of the bottle body connecting portion is formed with reticulations or straight lines, which can increase the friction force and facilitate the installation and disassembly of the connection cap.

[0013] The present utility model is further configured as follows: The inside of the valve body connecting portion is provided with a liquid suction small hole and a connection hole for connecting the connecting head of the pipe. The connecting head of the pipe is separately arranged from the metal shell, which can reduce the forming difficulty and processing difficulty of the entire metal shell. At the same time, through the detachable connection method, more connecting heads of the pipe can be adapted to meet the requirements of more working conditions.

[0014] The present utility model is further configured as follows: The bottle body connecting portion is formed with a balance air hole, which can balance the air pressure inside the bottle when the foam bottle is working.

[0015] The outstanding effect of the present utility model is:

[0016] Compared with the prior art, by inlaying a plastic connecting portion with an internal thread inside the metal shell, the connection between plastics can effectively reduce wear, and at the same time, the connection sealing performance between the two can be improved, solving the problems of easy wear of the thread of the existing foam pot and easy overflow of liquid. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a structural schematic diagram of the present utility model;

[0018] Figure 2 is a half-sectional view of the metal shell of the present utility model;

[0019] Figure 3 is Figure 2 a cross-sectional view about A-A.

[0020] Reference numerals: 1, metal shell; 10, valve body connecting portion; 101, liquid suction small hole; 102, connection hole for connecting the connecting head of the pipe; 20, bottle body connecting portion; 201, protrusion; 202, annular groove; 203, balance air hole; 30, plastic connecting portion; 301, internal thread. Detailed implementation manners

[0021] The following combines the accompanying drawings and embodiments to further describe in detail the specific implementation manners of the present utility model. The following embodiments are used to illustrate the present utility model, but are not used to limit the scope of the present utility model.

[0022] The following is a reference to Figures 1 to 3 to illustrate the present utility model:

[0023] An anti-wear connection cap for a foam bottle, as Figure 1 shown, includes a metal shell 1. The metal shell 1 includes an integrally formed valve body connection portion 10 and a bottle body connection portion 20. A plastic connection portion 30 is fixedly provided inside the bottle body connection portion 20. An internal thread 301 that matches the thread of the foam bottle mouth is formed on the inner wall of the plastic connection portion 30.

[0024] By connecting the internal thread of the plastic connection portion with the external thread of the foam bottle mouth, since both are plastic products, wear can be reduced. At the same time, the connection between plastics can improve the sealing performance between the two. The internal thread of the plastic connection portion can be formed by injection molding, which can reduce the later processing work of the internal thread.

[0025] As Figure 2 , Figure 3 shown, a number of protrusions 201 are formed on the inner wall of the bottle body connection portion 20 of this embodiment. Through the several protrusions, relative rotation between the bottle body connection portion and the plastic connection portion after connection can be prevented. At the same time, the bonding area can be increased, and the bonding force and bonding stability between the two can be improved.

[0026] A number of annular grooves 202 are formed on the inner wall of the bottle body connection portion 20 of this embodiment; through the annular grooves, axial movement between the bottle body connection portion and the plastic connection portion after connection can be avoided, and the connection stability between the two can be further improved.

[0027] The plastic connection portion 30 is fixed inside the bottle body connection portion 20 by an inlaying method. By the inlaying method, the integrity of the two can be improved, and later assembly can be reduced.

[0028] The outer end of the plastic connection portion 30 of this embodiment covers the outer end face of the bottle body connection portion 20;

[0029] The outer wall of the plastic connection portion 30 is flush with the outer wall of the bottle body connection portion 20.

[0030] The outer wall of the bottle body connection portion 20 is formed with reticulations or straight lines, which can increase the friction force and facilitate the installation and disassembly of the connection cap.

[0031] The interior of the valve body connection part 10 of this embodiment is provided with a liquid suction small hole 101 and a connection hole 102 for the connection head of the connecting pipe. The connection head of the connecting pipe is separately arranged from the metal shell, which can reduce the forming difficulty and processing difficulty of the whole metal shell. At the same time, through the detachable connection method, more connection heads of the connecting pipes can be adapted to meet the requirements of more working conditions.

[0032] A balance air hole 203 is formed on the bottle body connection part 20, which can balance the air pressure in the foam bottle when the foam bottle is working.

[0033] The above are only the preferred embodiments of the present invention. It should be noted that for those of ordinary skill in the art of this technology, without departing from the technical principle of the present invention, several improvements and modifications can be made. These improvements and modifications made above should also be regarded as the protection scope of the present invention.

Claims

1. A wear-resistant connecting cap for a foam bottle, comprising a metal housing (1), characterized in that: The metal housing (1) includes an integrally formed valve body connecting portion (10) and a bottle body connecting portion (20). A plastic connecting portion (30) is fixedly provided inside the bottle body connecting portion (20), and an internal thread (301) that mates with the thread of the foam bottle mouth is formed on the inner wall of the plastic connecting portion (30).

2. The anti-wear connecting cap for a foam bottle according to claim 1, characterized in that: A number of protrusions (201) are formed on the inner wall of the bottle body connecting portion (20).

3. The anti-wear connecting cap for a foam bottle according to claim 2, wherein: A plurality of annular grooves (202) are formed on the inner wall of the bottle body connecting portion (20); The plastic connecting portion (30) is fixed inside the bottle body connecting portion (20) by an inlay method.

4. A foam bottle anti-wear connecting cap according to claim 1, characterized in that: The outer end of the plastic connecting portion (30) covers the outer end face of the bottle body connecting portion (20); The outer wall of the plastic connecting portion (30) is flush with the outer wall of the bottle body connecting portion (20).

5. The anti-wear connecting cap for a foam bottle according to claim 1, characterized in that: The outer wall of the bottle body connecting portion (20) is formed with reticulations or straight lines.

6. The anti-wear connecting cap for a foam bottle according to claim 1, characterized in that: A liquid suction small hole (101) and a connection hole (102) for connecting a pipe joint are provided inside the valve body connecting portion (10).

7. The anti-wear connecting cap for a foam bottle according to claim 1, characterized in that: A balance air hole (203) is formed on the bottle body connecting portion (20).

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