CN2930879Y

CN2930879Y - Foaming means with metal connecting tube

Info

Publication number: CN2930879Y
Application number: CN 200620041972
Authority: CN
Inventors: 王良
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-05-22
Filing date: 2006-05-22
Publication date: 2007-08-08
Anticipated expiration: 2016-05-22

Abstract

The utility model relates to a foaming tool with a metallic connecting pipe comprising a connection, a fluid input valve, a fluid output valve, a shell and a switchgear which can turn on and off the fluid output valve. The utility model is characterized in that the housing is plastic; at least one metallic connecting pipe is arranged inside the housing. The fluid input valve and/or the fluid output valve are arranged on the metallic connecting pipe respectively and are joined with the metallic connecting pipe hermetically, therefore, the intensity of the sealing site is enhanced, the liquid leakage is avoided effectively and the problem of the blocking in the foaming gun channels is solved. The utility mode is low-cost, easy-manufacturing and suitable for mass production.

Description

A kind of foam tool that has metal connecting tube

Technical field

The utility model relates to the foam tool that is used for the spray foam filler.

Background technology

About the door in the house, the window water-impervious is installed or the slit is filled up, the insulation that air-conditioning is installed, application of anti-leakage layers, fill in the surplus hole that various pipelines are installed, combined socket and switch and the relevant installation that needs insulation etc., generally all adopting foam filling agent is raw material, during use, by foam tool foam filling agent is quantitatively discharged and reach installation, joint filling, mending-leakage, insulation, insulation or purpose such as bonding, foam filling agent generally is for having the liquid state of air pressure in the cavity of foam tool, when opening the fluid mouth by the switching device in the foam tool, the foam filling agent that ejects is cured and is bonded in needed place.

Foam tool on the existing market generally is divided into two kinds of metal species and plastics classes, the metal species foam tool mainly is that large-area housing adopts metal material to make, liquid valve, feed liquor valve and switching device are installed on the housing, on housing, formed and made liquid valve, feed liquor valve and switching device be UNICOM and mobilizable structure mutually, but, often this mutual UNICOM and mobilizable structure are because seal request is very high, often be easy to occur the phenomenon of leakage, the foam filling agent of leakage in foam tool outside is bonded at accidentally on hand or is difficult to clean on the clothes or on the article time, and have inflammable gases at high pressure and spill the danger that can cause burning or blast, in addition, also cause foam filling agent in the rifle body, to be cured and cause the foam tool internal channel to stop up, this is because because the area of housing is too big and the complexity of structure, both having made is the injection force that improves die casting machine, be dispersed to large tracts of land and in the complicated structure, obviously be that each local pressure also is not enough, cause the density of molecular crystalline after processing (casting or die casting) moulding not enough, cause large tracts of land or local pore (micropore) and cause the phenomenon of leakage; Large-area housing adopts plastics to make in the plastics class foam tool, be easier to produce, cost is low, but, the insufficient strength of itself, when liquid valve or feed liquor valve are installed on the plastic casing, if it is firmly big slightly, be easy to cause breaking of the place of being tightly connected and the phenomenon of leakage occurs,, have anticyclonic foam filling agent to be easy to from being tightly connected leak out if firmly slightly little, cause the defect rate of foam tool very high, if run under the situation that bigger variation takes place weather, the variation that plastics rifle body is expanded with heat and contract with cold is easy to make the place of being tightly connected of mutual close-fitting to become flexible or breaks and the phenomenon of leakage occurs.

Summary of the invention

The purpose of this utility model is to propose a kind of foam tool that prevents effectively and avoided the phenomenon of leakage at the defective of above-mentioned prior art existence.

Another purpose of the present utility model is to have improved the intensity at the place that is tightly connected, and the easy obstruction that has solved the foam tool internal channel has prolonged service life of foam tool, and cost is low, and processing is simple, is fit to produce in enormous quantities.

In order to realize the foregoing invention purpose, the utility model adopts following technical scheme: it comprises connector, feed liquor valve, liquid valve, switching device and housing, and switching device can make liquid valve cut out or open-minded, it is characterized in that: described housing adopts plastics to make; Also be included at least one metal connecting tube is set in the described housing, feed liquor valve and/or liquid valve are installed on the described metal connecting tube separately, and connect hermetically mutually with described metal connecting tube.

Described metal connecting tube is provided with the inside spin shape.

Described metal connecting tube is that kirsite or aluminium alloy or copper alloy or ferroalloy or stainless steel are made.

Described feed liquor valve comprises liquid inlet port, closure member and back-moving spring, and described liquid valve comprises fluid mouth, spool and second back-moving spring.

Between described metal connecting tube and the plastic casing and/or between described metal connecting tube and the feed liquor valve sealing ring is being set.

Between described metal connecting tube and the plastic casing and/or between metal connecting tube and the fluid mouth sealing ring is set.

At least two metal connecting tubes are set in described housing, and one of them communicates with the feed liquor valve and connects hermetically mutually, and another communicates with liquid valve and connects hermetically mutually.

Its beneficial effect, the utility model adopt above-mentioned measure, have improved the be tightly connected intensity at place of foam tool, prevent effectively and have avoided the seepage phenomenon, solved the easy obstruction of passage, and cost are low, and processing is simple, rationally, are fit to produce in enormous quantities.

Description of drawings

Fig. 1 is the structure cross-sectional schematic of first kind of embodiment of the utility model.

Fig. 2 is the structure cross-sectional schematic of second kind of embodiment.

Fig. 3 is the structure cross-sectional schematic of the third embodiment.

Structure cross-sectional schematic when Fig. 4 is first kind of metal connecting tube independence.

Structure cross-sectional schematic when Fig. 5 is second kind of metal connecting tube independence.

Structure cross-sectional schematic when Fig. 6 is the third metal connecting tube independence.

Structure cross-sectional schematic when Fig. 7 is the 4th kind of metal connecting tube independence.

The specific embodiment

Among the figure:

1---connector 2---liquid valve 21---liquid inlet port 22---closure member 23---back-moving spring 3---liquid valve 31---fluid mouth 32---spool 33---second back-moving

spring

34,34`, 34``---sealing ring 35---fixture 4---switching device 5---housing 6---metal connecting tube 7---adjuster

A kind of foam tool that has metal connecting tube of the utility model, it comprises: connector 1 is used for the external tank body that foam filling agent is housed, feed liquor valve 2 is used to open or cut out foam filling agent, liquid valve 3, be used to close or discharge foam filling agent, switching device 4 is used to control cutting out or opening of liquid valve 3, with housing 5, described housing 5 adopts plastics to make, the yield rate height, and cost is low, make processing simple, be fit to produce in enormous quantities; Also be included in the tube connector 6 that at least one adopts metal material to make is set in the housing 5, feed liquor valve 2 and/or liquid valve 3 are installed on the metal connecting tube 6 separately, and be connected with metal connecting tube 6 and be connected hermetically mutually, being provided with of metal connecting tube 6 improved the intensity that is tightly connected and locates, cost is low, the situation of breaking can not occur again, prevent and avoided the phenomenon of leakage effectively, solve the easy obstruction of internal channel.

Referring to Fig. 1 to Fig. 7, the tube connector 6 that adopts metal material to make, such as: adopt kirsite or aluminium alloy or copper alloy or ferroalloy or stainless steel etc. to be made for preferable selection, feed liquor valve 2 and liquid valve 3 can join by spiral separately and (affixed) be installed on metal connecting tube 6, replaced the structure that directly connects feed liquor valve 2 and liquid valve 3 by housing 5, referring to Fig. 4 to Fig. 7, because metal connecting tube 6 can be made smaller volume, reduced cost widely, adding man-hour, because volume is less, it is very high that the density in the time of can making moulding reaches, and that is to say and eliminated pore, therefore, avoided occurring leakage and passage clogging, easy for installation, improved yield rate.

Referring to Fig. 2, can between plastic casing 5 and metal connecting tube 6, sealing ring 34 be set, also can between plastic casing 5 and feed liquor valve 2, sealing ring 34 be set, also can between the fluid mouth 31 of plastic casing 5 and long tubular, sealing ring be set, improve the sealing effectiveness when sealing mutually between feed liquor valve 2 or liquid valve 3 and metal connecting tube 6 or the housing 5 more.

Referring to Fig. 7, also can on the outer wall of metal connecting tube 6, helical form be set, also structures such as concavo-convex can be set, be used to improve the fastness of metal connecting tube interlocking on plastic casing 5.

Feed liquor valve 2 can comprise liquid inlet port 21, closure member 22 and back-moving spring 23, and back-moving spring 23 acts on the closure member 22, and feed liquor valve 2 is closed when off working state, and liquid valve 3 can comprise fluid mouth 31, spool 32 and second back-moving spring 33.

Referring to Fig. 1 and Fig. 4 and Fig. 5, interlocking has two metal connecting tubes 6 in housing 5, improved the intensity at the place that is tightly connected, one of them metal connecting tube 6 adopts the helical form side to spin mutually hermetically mutually with feed liquor valve 2, and can between them, can add sticking cream, make sealing effectiveness better, metal connecting tube 6 is rabbeted in plastic casing 5, and seals mutually with plastic casing 5; Another metal connecting tube 6 adopts the helical form side to spin mutually hermetically mutually with long cylinder-shaped fluid mouth 31, can add sticking cream between them, makes sealing effectiveness better, and metal connecting tube 6 is rabbeted in plastic casing 5, and seals mutually with plastic casing 5.

Referring to Fig. 3 and Fig. 6, spool 32 has at least part to stretch out plastic casing 5, also can between spool 32 and plastic casing 5, metal connecting tube 6 be set also, seal mutually by sealing ring 34` between metal connecting tube 6 and the spool 32, the part spool 32 that stretches out metal connecting tube 6 is connected with switching device 4 or overlaps, be convenient to moving of switching device 4 control spools 32, fixture 35 is set on sealing ring 34`, prevent that sealing ring 34` from coming off.

Be arranged on the metal connecting tube 6 in the plastic casing 5, its processing preferred version is at first metal connecting tube 6 to be embedded in the mould of plastics of plastic casing 5, be expelled in the mould by the plastics in the plastics machine then, the structure that plastics housing of making 5 and the metal connecting tube of inlaying 6 are fused, guaranteed that metal connecting tube 6 the phenomenon of leakage can not occur, and cost is low, and is easy to process, and product quality is better.

Referring to Fig. 1, when needs spray foam filler, the tank body that foam filling agent is housed is screwed on the connector 1 of foam tool, liquid inlet port 21 on liquid outlet on the tank body and the feed liquor valve 2 connects, at this moment, have the hyperbar foam filling agent and back down the closure member 22 of the spring action that is reset in the feed liquor valve 2 automatically, make self have anticyclonic foam filling agent through feed liquor valve 2 and one of them metal connecting tube 6 after, be transported in the liquid valve 3 by another metal connecting tube 6 very safely, at this moment, Drawing switch device 4, switching device 4 drives spool 32 and opens fluid mouth 31, thereby foam filling agent is discharged from fluid mouth 31 rapidly and safely, foam filling agent is coated in needed place.When trip switch device 4, spool 32 seals fluid mouth 31 again by the screen resilience of second back-moving spring 33.Between fluid mouth 31 and spool 32, sealing ring 34`` can be set, improve the sealing effect of liquid valve 3., be used to regulate foam filling agent and discharge the many of output or few by the adjuster 7 that spiral is connected at the afterbody setting of foam tool and housing 5.

Though below in conjunction with the embodiments the utility model has been made detailed description; but those of ordinary skill obviously can be recognized in the art; previous embodiment only is for the utility model; and non-limiting the utility model; in design scope of the present utility model; can also make multiple variation or distortion to previous embodiment, these variations and distortion all should belong to the protection domain of this patent.

Claims

1, a kind of foam tool that has metal connecting tube, it comprises connector, feed liquor valve, liquid valve, switching device and housing, switching device can make liquid valve cut out or open-minded, it is characterized in that: described housing adopts plastics to make; Also be included at least one metal connecting tube is set in the described housing, feed liquor valve and/or liquid valve are installed on the described metal connecting tube separately, and connect hermetically mutually with described metal connecting tube.

2, according to the described a kind of foam tool that has metal connecting tube of claim 1, it is characterized in that: described metal connecting tube is provided with the inside spin shape.

3, according to the described a kind of foam tool that has metal connecting tube of claim 1, it is characterized in that: described metal connecting tube is that kirsite or aluminium alloy or copper alloy or ferroalloy or stainless steel are made.

4, according to the described a kind of foam tool that has metal connecting tube of claim 1, it is characterized in that: described feed liquor valve comprises liquid inlet port, closure member and back-moving spring, and described liquid valve comprises fluid mouth, spool and second back-moving spring.

5, according to the described a kind of foam tool that has metal connecting tube of claim 1, it is characterized in that: between described metal connecting tube and the plastic casing and/or between described metal connecting tube and the feed liquor valve sealing ring is being set.

6, according to the described a kind of foam tool that has metal connecting tube of claim 4, its feature two in: between described metal connecting tube and the plastic casing and/or between described metal connecting tube and the fluid mouth sealing ring is set.

7, according to claim 1 or 2 or 3 or 4 or 5 or 6 described a kind of foam tools that have metal connecting tube, it is characterized in that: at least two metal connecting tubes are set in described housing, one of them communicates with the feed liquor valve and connects hermetically mutually, and another communicates with liquid valve and connects hermetically mutually.