CN104226558B

CN104226558B - Foam caulking gun

Info

Publication number: CN104226558B
Application number: CN201410267415.5A
Authority: CN
Inventors: 王良
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-06-11
Filing date: 2014-06-10
Publication date: 2018-09-21
Anticipated expiration: 2034-06-10
Also published as: UA118561C2; CN104226558A; PL230774B1; PL415873A1; WO2014198218A1; RU2650924C2; RU2015154758A

Abstract

The present invention relates to a kind of foam caulking guns, including gun body, liquid feed valve, liquid valve and switching device, liquid feed valve includes feed pathway, closure member and resetting spring, the closure member mutually seals with feed pathway and forms closing mouth inside the feed pathway, confining zone is formed on the closure member, impeller for pushing the closure member to move down is set inside the feed pathway above the closing mouth, when the impeller is by downward thrust, it pushes the closure member to move down and opens the feed pathway, so that the impeller is controlled between the confining zone and the closing mouth and keeps stable spacing；When the closure member is not by downward thrust, feed pathway described in resilient seal of the closure member because of the resetting spring.The present invention can generate preceding foaming, not only achieve the effect that preferable joint filling is squeegeeed, but also can protect object, uniform in foaming, and foaming object amount is big, economizes on resources.

Description

Foam caulking gun

Technical field

The present invention relates to construction and decoration technical field of tools, more particularly to a kind of foam caulking gun.

Background technology

It is primary raw material that polyurethane, which generally can be used, in foam gap filler, and other chemicals can also be used for primary raw material, Polyurethane foams full name sealing agent of single component polyurethane foam is commonly called as foaming agent, foamed glue, PU gap fillers (referred to as " PU FOAM "), it is that aerosol technology and polyurethane foam technology intersect the product combined.It is a kind of by polyurethane prepolymer, foaming The components such as agent, catalyst are loaded on the special polyurethane products in pressure-resistant inhalator jar.When material is sprayed from inhalator jar, foam shape Polyurethane materials can expand rapidly and be cured to react to form foam with the moisture in air or the matrix touched.Solidification Foam afterwards has the multi-effects such as joint filling, bonding, sealing, heat-insulated, sound-absorbing, is a kind of environmental protection and energy saving, building easy to use Material, be applicable to sealing and plugging, fill a vacancy squeegee, fix bond, heat preservation and soundproof, be particularly suitable for plastic-steel or aluminum alloy doors and windows and Sealing and plugging between wall and waterproof.

Cranny filler of polyurethane foam is a kind of polyurethane products based on high-expansion, can be rapid swollen after jar ejection It is swollen and can a kind of quick-setting joint filling squeegee with product, can use in a humid environment.

The application range of foam gap filler：It is generally used for wide interface, gap, the sealing in crack, insulation, filling, can keep the temperature, Cold-resistant, resistance to drying, sound insulation and moisture-proof.As the gap between partition board and ceiling, window frame, doorframe, hole between the walls, roof Gap between chimney, wall, ceiling, the sealing around roof pipeline and the hole on wall and breakage.It can be used for more The bonding of kind of material, such as metal, timber, stone material, concrete and a variety of synthetic materials, as polyester, polystyrene foam plastics, PVC plastic, hard polyurethane foamed plastics.

The particular use of foam gap filler：(1) about the erection of doors and windows in building and house：Filling out between door and window and wall Seam sealing, fixed bonding, bonding of exterior wall etc.；(2) sound insulation is eliminated the noise：The gap when finishings such as speech room, broadcasting studio is filled up, can be with Play the role of sound insulation noise elimination etc.；(3) ordinary maintenance：Hole, gap, wall brick, floor tile, the repairing on floor, auto sound, it is heat-insulated, Heat preservation, filling etc.；(4) waterproofing and leakage-stopping：The repairing of the loopholes such as water supply pipe, sewer, leak stopping；(5) packed and transported：It can facilitate Ground wraps up valuable delicate articles, time saving quick, shock-proof pressure-tight；(6) advertising model：The making of model, sand table, panel repairing； (7) gardening makes scape：Flower arrangement, gardening make scape, light and beautiful.It is raw material to be generally used with anticyclonic foam gap filler.

When material is sprayed from foam caulking gun, the material of foam shape can expand rapidly and with air or the matrix touched In moisture be cured reaction and form foam, for joint filling or mending-leakage etc., the internal channel of foam caulking gun occurs in order to prevent After use, the foam joint filling remained in foam caulking gun internal channel is cleaned by the cleaning agent being equipped in holding vessel for clogging Agent, the inlet of foam caulking gun are typically using closure seals, and closure member is automatically reset sealing by resetting spring, when When holding vessel with foam gap filler loads onto foam caulking gun, foam gap filler pushes closure member open by the pressure that itself is generated, To make the foam gap filler in holding vessel enter in the internal channel of foam caulking gun, generated by itself due to foam gap filler Pressure pushes closure member open and opens channel and enter gun body internal channel, in this way, the opening in channel be usually very little or when occurring Phenomenon is closed when opening, keeps the injection of foam gap filler more or less, affects foaming effect, causes the foaming of foam gap filler uneven It is even, while greatly reducing gas release；If the foam gap filler in holding vessel uses half, the pressure in holding vessel is more Plus-minus is few, in this way, the injection of foam gap filler is not more smooth, it is easier to intermittent phenomenon occur, cause foam gap filler Foaming it is uneven, lead to the of poor quality of foamed, while greatly reducing gas release；In addition, this structure is easy to out Existing post blow phenomena, rear foaming are exactly gradually thicker after foam gap filler sprays, and several times are slightly gone out when than typing it out, this Sample is difficult to the strength for allowing worker to grasp triggering pulling (switch) on hand, is easy waste foam gap filler, minimal waste 1/3, cost It is very high；It is easy that door and window is made to deform or squeeze bad door and window after the foam gap filler solidification worse expanded afterwards.

Existing foam caulking gun, when the holding vessel of foam gap filler is when the foam caulking gun is combined, after use When interval being needed to use or be not also finished or be finished rear holding vessel and unload not yet, feed pathway is with closure member in the shape that is in contact State, that is to say, that they are susceptible to gum deposit because of self-closed and cause bonding phenomenon, that is to say, that it is existing to be susceptible to blocking As.

Invention content

Technical problem to be solved by the invention is to provide a kind of foam caulking guns, can generate preceding foaming, both reached compared with The effect that good joint filling is squeegeeed, and object can be protected, uniform in foaming, foaming object amount is big, economizes on resources.

Wherein, preceding foaming is exactly 80% or more foamed, the amplitude very little to foam below after foam gap filler sprays, Uniform in foaming, foaming object amount are big.

Another object of the present invention is the holding vessel of foam gap filler when the foam caulking gun is combined, after use When interval being needed to use or be not also finished or be finished rear holding vessel and unload not yet, it can be kept between feed pathway and closure member steady Fixed spacing effectively prevents being susceptible to gum deposit because of usual self-closed between feed pathway and closure member and causes to glue Phenomenon is tied, the foam caulking gun for being susceptible to clogging is avoided, greatly extends service life.

Another object of the present invention is to prevent to spray the foam caulking gun of foam gap filler then for the first time The foam gap filler remained in gun body is set to occur regurgitating phenomenon because feed pathway is opened too early when second of use.

Another object of the present invention is the holding vessel two of the holding vessel and cleaning agent that efficiently avoid foam gap filler It plants the not interaction that different structure is brought on the same foam caulking gun and causes cleaning leakage or cleaning difficulty or nothing Method is cleaned.

Another object of the present invention is can to replace impeller, convenient disassembly and safe and reliable, and use cost is low.

The technical solution adopted by the present invention to solve the technical problems is：A kind of foam caulking gun is provided, including gun body, into Liquid valve, liquid valve and switching device, liquid feed valve include feed pathway, closure member and resetting spring, and the closure member is logical with feed liquor Road mutually seals and is formed inside the feed pathway closing mouth, forms confining zone on the closure member, is located at the closing Impeller for pushing the closure member to move down is set inside the feed pathway of mouthful top, the impeller by When downward thrust, pushes the closure member to move down and open the feed pathway, the impeller is made to control the closing Stable spacing is kept between band and the closing mouth；When the closure member is not by downward thrust, the closure member because Feed pathway described in the resilient seal of the resetting spring.

The escapement for preventing the impeller from falling off is additionally provided in feed pathway above the closing mouth.

The impeller is by the thrust that downward thrust is that liquid outlet is downward in external foam gap filler holding vessel；Or institute Impeller is stated by the downward thrust of liquid outlet in the holding vessel that downward thrust is cleaning agent, is stored with cleaning agent when described When liquid outlet in tank loads onto the feed pathway, closure member stress by way of push type or air pressure self-action is downward It is mobile to open the feed pathway.

When the liquid outlet in foam gap filler holding vessel loads onto the feed pathway, and with the impeller phase When contacting and making the liquid outlet in the holding vessel that the impeller be pushed to move down, the closure member is by the impeller Thrust move down and open the feed pathway, so that the impeller is controlled and kept between the confining zone and the closing mouth Stable spacing, when the liquid outlet in the holding vessel with foam gap filler exit and when leaving the impeller, the envelope Closing member seals the feed pathway because of the elastic force of resetting spring.

The feed pathway is internally provided with and mutually matched first limit of liquid outlet in external foam gap filler holding vessel Position shoulder, the first limit shoulder are used to squeeze the liquid outlet in the foam gap filler holding vessel, make in the holding vessel Liquid outlet it is mobile to the holding vessel direction and open the liquid outlet in the holding vessel, make the foam gap filler from described It sprays and enters in the feed pathway in the liquid outlet of holding vessel.

The impeller is located at the described first lower section for limiting shoulder.

The impeller is equipped at least one groove or straight slot or through-hole, when described in foam gap filler holding vessel For liquid outlet when the feed pathway is combined, the groove or straight slot or through-hole are with described in foam gap filler holding vessel The outlet of liquid outlet communicates, and the groove or straight slot or through-hole are communicated with the feed pathway below the closing mouth.

The escapement is spring, and the spring one end sticks the impeller, and the spring other end is fixed on institute It states in feed pathway.

The spring other end is fixed on the inner wall of the feed pathway.

The escapement is the limit salient point or defining flange for limiting the impeller displacement distance.

The limit salient point or defining flange are located at the described first lower section for limiting shoulder.

It is blocked by the limit salient point or defining flange the impeller at least part.

The escapement is the stop collar for limiting impeller movement, and the stop collar is fixed on the feed pathway Inner wall on.

There is matching hole, the matching hole is matched with the diameter of the impeller makes the stop collar on the stop collar It is socketed on the impeller, the impeller stretches out aperture of the diameter more than the matching hole of the tip portion of matching hole.

Closure member stress by way of air pressure self-action, which moves down, opens the feed pathway, is carried when described When liquid outlet in cleaning agent holding vessel loads onto the feed pathway, the cleaning agent is pushed open described automatically using the pressure of itself Closure member and clean in the foam caulking gun remain foam gap filler, when the liquid outlet in the cleaning agent holding vessel exits And when leaving the feed pathway, the closure member seals the feed pathway because of the elastic force of resetting spring.

When the external liquid outlet in cleaning agent holding vessel loads onto the feed pathway, the external cleaning agent Liquid outlet in holding vessel is not in contact with the impeller.

When the liquid outlet in cleaning agent holding vessel loads onto the feed pathway and lean against first limiting stand When on shoulder, the holding vessel with cleaning agent continues to move down, and the first limit shoulder is made to squeeze the cleaning agent holding vessel In liquid outlet, keep liquid outlet in the holding vessel mobile to the holding vessel direction and open in the holding vessel and go out liquid Mouth makes the cleaning agent be sprayed from the liquid outlet in the holding vessel into the feed pathway, and the cleaning agent utilizes The pressure of itself pushes the closure member open and cleans the foam gap filler remained in the foam caulking gun automatically.

Closure member stress by way of push type, which moves down, opens the feed pathway, when described with cleaning Liquid outlet in agent holding vessel loads onto the feed pathway and is in contact with the impeller and the liquid outlet in holding vessel is made to push When the impeller moves down, the closure member is moved down by the thrust of the impeller and opens the feed pathway, The cleaning agent is set to be sprayed from the liquid outlet of the holding vessel into the feed pathway, the cleaning agent cleans the bubble The foam gap filler remained in foam caulking gun, when the liquid outlet in the cleaning agent holding vessel exits and leaves the feed pathway When, the closure member seals the feed pathway because of the elastic force of resetting spring.

The feed pathway is internally provided with and mutually matched second limiting stand of the liquid outlet of external cleaning agent holding vessel Shoulder, the second limit shoulder are located at the described first lower section for limiting shoulder, and the diameter of the second limit shoulder is less than described The diameter of first limit shoulder, the second limit shoulder are used to squeeze the liquid outlet of the cleaning agent holding vessel.

The closure member uses ball.

It is mutually sealed by sealing ring between the closure member and the feed pathway.

The sealing ring is fixed in the feed pathway.

The sealing ring is fixed on the closure member.

Recess portion is made in the top of the impeller.

Slot or through-hole are provided on the recess portion.

The lateral section of the impeller is T-shaped or dry font.

The plan structure of the impeller is three heel brace shapes, four heel brace shapes, five heel brace shapes or six heel brace shapes.

The closure member is spheroidal, bottom setting and the matched concave surface of the closure member of the impeller.

The concave surface is concaved circular cambered surface.

The impeller is detachable structure with feed pathway.

The impeller and escapement and the feed pathway are detachable structure.

The escapement is spring, the impeller and spring and the feed pathway is dismountable structure.

Advantageous effect

Due to the adoption of the above technical solution, compared with prior art, the present invention having the following advantages that and actively imitating Fruit：Foaming before the present invention can generate, had not only achieved the effect that preferable joint filling was squeegeeed, but also can protect object, uniform in foaming, and foam object amount Greatly, it economizes on resources；The holding vessel of foam gap filler needs interval to use or go back when the foam caulking gun is combined after use When not being finished or be finished rear holding vessel and unloading not yet, stable spacing can be kept between feed pathway and closure member, effectively It prevents and is susceptible to gum deposit because of usual self-closed between feed pathway and closure member and causes bonding phenomenon, avoid appearance The foam caulking gun easily caused blockages, greatly extends service life；It prevents and sprayed foam gap filler for the first time Foam caulking gun make the foam gap filler remained in gun body because feed pathway is opened too early when using then second Phenomenon is regurgitated in appearance；Two kinds of different structures of holding vessel of the holding vessel and cleaning agent that efficiently avoid foam gap filler are mounted on The not interaction brought on the same foam caulking gun and cause cleaning leakage or cleaning difficult or can not clean；It can replace and push away Moving part, convenient disassembly and safe and reliable, use cost is low.

Description of the drawings

Fig. 1 is a kind of structural schematic diagram of embodiment of foam caulking gun of the present invention.

Fig. 2 is structural schematic diagram of Fig. 1 foams caulking gun before the holding vessel with foam gap filler is combined.

Fig. 3 be Fig. 2 foams caulking gun with carry foam gap filler holding vessel be combined when structural schematic diagram.

Fig. 4 be Fig. 1 foams caulking gun with carry cleaning agent holding vessel be combined when structural schematic diagram.

Fig. 5 is the structure enlargement diagram of the independent impeller for carrying 4 support legs in Fig. 1.

Fig. 6 is the schematic top plan view of Fig. 5.

Fig. 7 is the stereoscopic schematic diagram of Fig. 5.

Fig. 8 is structure enlargement diagram when the independent impeller for carrying 4 support legs and spring are combined in Fig. 1.

Fig. 9 is the structure enlargement diagram of the embodiment of similar Fig. 5.

Figure 10 is the structure enlargement diagram of the impeller embodiment with 3 support legs of similar Fig. 5.

Figure 11 is schematic diagram when Fig. 1 foams caulking gun is separated with impeller and the spring in foam caulking gun.

Figure 12 is the structural schematic diagram of another foam caulking gun embodiment.

Figure 13 is the structural schematic diagram of another foam caulking gun embodiment.

Figure 14 is the structural schematic diagram of another foam caulking gun embodiment.

Figure 15 is the structural schematic diagram of another foam caulking gun embodiment.

Figure 16 is the structural schematic diagram of another foam caulking gun embodiment.

Figure 17 be Figure 16 foams caulking gun with carry foam gap filler holding vessel be combined when structural schematic diagram.

Figure 18 be Figure 16 foams caulking gun with carry cleaning agent holding vessel be combined when structural schematic diagram.

Figure 19 is the structural schematic diagram of another foam caulking gun embodiment.

Figure 20 is the structural schematic diagram of another foam caulking gun embodiment.

When Figure 21 is that impeller is by downward thrust described in Figure 20, the structural schematic diagram of closure member is opened.

Figure 22 is the structural schematic diagram of another foam caulking gun embodiment.

When Figure 23 is that impeller is by downward thrust described in Figure 22, the structural schematic diagram of closure member is opened.

Figure 24 is the structural schematic diagram of another foam caulking gun embodiment.

When Figure 25 is that impeller is by downward thrust described in Figure 24, the structural schematic diagram of closure member is opened.

Figure 26 is the structural schematic diagram of another foam caulking gun embodiment.

When Figure 27 is that impeller is by downward thrust described in Figure 26, the structural schematic diagram of closure member is opened.

Figure 28 is independent impeller and the matched enlarged structure schematic diagram of stop collar in Figure 27.

Figure 29 is independent impeller overlooking structure diagram in Figure 27 or Figure 28.

Figure 30 is the dimensional structure diagram of independent impeller in Figure 28.

Figure 31 is the overlooking structure diagram of independent stop collar in Figure 28.

Figure 32 is the structural schematic diagram of another foam caulking gun embodiment.

Figure 33 be Figure 32 foams caulking gun with carry foam gap filler holding vessel be combined when structural schematic diagram.

Figure 34 be Figure 32 foams caulking gun with carry cleaning agent holding vessel be combined when structural schematic diagram.

Figure 35 is the structure enlargement diagram of the independent impeller for carrying 4 support legs in Figure 32.

Figure 36 is the vertical view enlarged diagram of Figure 32.

Figure 37 is the three-dimensional enlarged diagram of Figure 32.

In figure：

1---- gun body 10---- sealing rings

2---- liquid feed valve 21---- feed pathways 210---- closes mouth 211,211 ' ----limit shoulder 212--- second limits shoulder 22,22 ' ----closure member 220--- confining zone 23---- resetting springs 25, 25 ' ----sealing ring 26---- fixing piece 27---- screw thread 28---- neck bush 29---- sealing rings

3---- liquid valve 31---- liquid outlet 32---- spool 33---- second back-moving springs

4---- switching devices

5,51,52,53,54,55---- impeller 510---- tip portions 530,530 ' ----through-hole

551,552,553,554,551 ', 552 ', 553 ', 554 ' ----straight slot 56---- recess portions 57,57 ' --- circle Cambered surface

61---- springs 62,62 ' ----defining flange 63---- stop collar 630---- matching holes

Liquid outlet in holding vessel 71--- tank body 72----- holding vessels of the 7--- with foam gap filler 720---- liquid outlet 721---- sealing ring 722---- shoulders

Liquid outlet 820---- in holding vessel 81--- tank body 82----- holding vessels of the 8--- with cleaning agent goes out Liquid mouth 821--- sealing rings

91,92,93,94--- through-holes

Specific implementation mode

Present invention will be further explained below with reference to specific examples.It should be understood that these embodiments are merely to illustrate the present invention Rather than it limits the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention, people in the art Member can make various changes or modifications the present invention, and such equivalent forms equally fall within the application the appended claims and limited Range.

Referring to whole attached drawings, a kind of foam caulking gun, the foam caulking gun is circumscribed with the holding vessel 7 of foam gap filler, Liquid outlet 72 is carried in the holding vessel 7 of the foam gap filler, the foam caulking gun includes gun body 1, liquid feed valve 2, liquid valve 3 With switching device 4, liquid feed valve 2 include feed pathway 21, closure member (22,22 ') and resetting spring 23, closure member (22,22 ') and 21 phase of feed pathway seals and forms closing mouth 210, the shape on the closure member (22,22 ') inside the feed pathway 21 At confining zone 220,21 inside of the feed pathway above the closing mouth 210 is arranged for pushing the closure member The impeller (5,51,52,53,54,55) that (22,22 ') move down, the impeller (5,51,52,53,54,55) by Under thrust when, push the closure member (22,22 ') to move down and open the feed pathway 21, make the impeller (5, 51,52 it, 53,54,55) controls and keeps stable spacing, the closure member between the confining zone 220 and the closing mouth 210 When (22,22 ') are not by downward thrust, described in resilient seal of the closure member (22,22 ') because of the resetting spring 23 Feed pathway 21 makes the impeller (5,51,52,53,54,55) control between the confining zone 220 and the closing mouth 210 Stable spacing is kept, keep the foam gap filler flow in the external holding vessel constant and moves smoothly through the feed pathway Into in the gun body, avoiding the when of being opened when feed pathway is susceptible to closes phenomenon, and the foam ejected from liquid valve 3 is made to fill out Foaming before seam agent achievees the effect that.When the closure member (22,22 ') is not by downward thrust, the closure member (22, 22 ') feed pathway 21 described in the resilient seal because of the resetting spring 23 can make the foam joint filling in the external holding vessel Agent flux is constant and moves smoothly through the feed pathway into the gun body, and can prevent the feed pathway from leakage occur Phenomenon is a kind of foam caulking gun that can generate preceding foaming, had not only achieved the purpose that preferable joint filling was squeegeeed, but also can protect object, and sent out Bubble is uniform, and foaming object amount is big, economizes on resources；When the holding vessel of foam gap filler is when the foam caulking gun is combined, use After when interval being needed to use or be not also finished or be finished rear holding vessel and unload not yet, the impeller makes feed pathway and closing Stable spacing is kept between part, effectively prevents being susceptible to because of usual self-closed between feed pathway and closure member Gum deposit and cause bonding phenomenon, avoid the foam caulking gun for being susceptible to clogging, greatly extend service life；It can To replace impeller, convenient disassembly and safe and reliable, foaming effect is more preferable before generating, and use cost is low.

Further, be additionally provided in the feed pathway 21 of the closing mouth 210 top for prevent the impeller (5, 51,52 the escapement, 53,54,55) to fall off is effectively guaranteed stability, flexibility that impeller moves up and down and rationally Property prevents the impeller from occurring falling off or dumb phenomenon, more effectively ensure that the foam gap filler in external holding vessel Flow is constant and moves smoothly through the feed pathway into the gun body.

Referring to Fig. 1 to Fig. 7, the foam caulking gun is circumscribed with the holding vessel 7 of foam gap filler, the foam gap filler Holding vessel 7 includes tank body 71 and liquid outlet 72, and the foam caulking gun includes gun body 1, liquid feed valve 2, liquid valve 3 and switching device 4, liquid feed valve 2 includes feed pathway 21, closure member 22 and resetting spring 23, and closure member 22 is with the sealing of 21 phase of feed pathway and in institute It states 21 inside of feed pathway and forms closing mouth 210, form confining zone 220 on the closure member 22, be located at the closing mouth 210 The impeller 5 for pushing the closure member 22 to move down, the impeller 5 is arranged in 21 inside of the feed pathway of top When by downward thrust, pushes the closure member 22 to move down and open the feed pathway 21, the impeller 5 is made to control Stable spacing is kept between the confining zone 220 and the closing mouth 210, the closure member 22 is not by downward thrust When, feed pathway 21 described in resilient seal of the closure member 22 because of the resetting spring 23.The impeller 5 is set to control described Stable spacing is kept between confining zone 220 and the closing mouth 210, makes the foam gap filler flow in the external holding vessel It is constant and move smoothly through the feed pathway into the gun body 1, avoid the when of being opened when feed pathway is susceptible to close it is existing As foaming before making the foam gap filler ejected from liquid valve 3 achieve the effect that, when the closure member 22 is not by downward Thrust when, feed pathway 21 described in resilient seal of the closure member 22 because of the resetting spring 23 can make described external Foam gap filler flow in holding vessel is constant and moves smoothly through the feed pathway into the gun body, and can prevent institute It states feed pathway and the phenomenon of leakage occurs, be a kind of foam caulking gun that can generate preceding foaming, both reached the mesh that preferable joint filling is squeegeeed , and object can be protected, uniform in foaming, foaming object amount is big, economizes on resources.

Further, referring to Fig. 2 and Fig. 3, the impeller 5 is external foam gap filler holding vessel 7 by downward thrust The downward thrust of middle liquid outlet 72, reasonable for structure, simply, using effect is good.

Further, referring to Fig. 1 and Fig. 3, when the liquid outlet 72 in foam gap filler holding vessel 7 load onto it is described into Liquid channel 21 is in contact with the impeller 5 and makes the liquid outlet 72 in the holding vessel 7 that the impeller 5 be pushed to move down When, the closure member 22 is moved down by the thrust of the impeller 5 and opens the feed pathway 21, makes the impeller 5 It controls and keeps stable spacing between the confining zone 220 and the closing mouth 210, the foam in the external holding vessel is made to fill out Seam agent flux is constant and moves smoothly through the feed pathway into the gun body, by turning on the switch device 4, makes liquid valve The effect that the foam gap filler ejected in liquid outlet 31 in 3 foams before generating, had not only achieved the purpose that preferable joint filling was squeegeeed, but also Object can be protected, in addition, uniform in foaming, foaming object amount is big, economizes on resources.When described with going out in foam gap filler holding vessel When liquid mouth 72 exits and leaves the impeller 5, it is logical that the closure member 22 seals the feed liquor because of the elastic force of resetting spring 23 Road 21.

Referring to Fig. 1, Fig. 3, Figure 17 and Figure 33, or whole attached drawings, the storage 7 of foam gap filler and the foam caulking gun phase In conjunction with when, when interval being needed to use or be not also finished or be finished rear holding vessel and unload not yet after use, the impeller (5, 51,52 it, 53,54,55) controls and keeps stable spacing between the confining zone 220 and the closing mouth 210, be effectively prevented Gum deposit is susceptible to because of common self-closed and cause bonding phenomenon between feed pathway 21 and closure member (22,22 '), The foam caulking gun for being susceptible to clogging is avoided, service life is greatly extended.

Further, the feed pathway 21 is internally provided with and 72 phase of liquid outlet in external foam gap filler holding vessel 7 The limit shoulder 211 mutually coordinated, the limit shoulder 211 are used to squeeze the liquid outlet 72 in the foam gap filler holding vessel 7, Keep the liquid outlet 72 in the holding vessel 7 mobile to 7 direction of the holding vessel and open the liquid outlet 72 in the holding vessel 7, The foam gap filler is set to enter in the feed pathway 21 from being sprayed in the liquid outlet 72 of the holding vessel 7, this is simple in structure, Rationally, at low cost, when the external liquid outlet 72 in foam gap filler holding vessel 7 loads onto the feed pathway 21, the storage The liquid outlet 72 deposited in tank 7 pushes the impeller 5 to move down, and the impeller 5 drives the closure member 22 to move down And open the feed pathway 21, then, the shoulder 722 that is arranged on liquid outlet 72 in the holding vessel 7 of external foam gap filler with The limit shoulder 211 is in contact, and the limit shoulder 211 is made to squeeze the shoulder 722 in the holding vessel 7 on liquid outlet 72, Keep the liquid outlet 72 in the holding vessel 7 mobile to 7 direction of the holding vessel and open, the holding vessel 7 and institute can be passed through 27 phase of screw thread for stating the setting of 21 outer rim of feed pathway is screwed on and generates and move down, can also be by being arranged on the holding vessel 7 Two annular through groove being arranged with 21 outer rim of the feed pathway of two protrusions be mutually screwed on and generate and move down, can also be The holding vessel 7 is connected with the feed pathway 21 and generates and move down otherwise, makes the foam gap filler Enter in the feed pathway 21 from being sprayed in the liquid outlet 72 in the holding vessel 7, the impeller 5 is made to control the closing With stable spacing is kept between 220 and the closing mouth 210, avoiding the when of being opened when feed pathway is susceptible to closes phenomenon, makes Foam gap filler flow in the external holding vessel 7 is constant and moves smoothly through the feed pathway 21 into the gun body 1 In, by turning on the switch device 4, the effect to foam before making the foam gap filler ejected from the liquid outlet 31 of liquid valve 3 generate Fruit had not only achieved the purpose that preferable joint filling was squeegeeed, but also can protect object, in addition, uniform in foaming, foaming object amount is big, economizes on resources.

Further, the preferably described impeller 5 is located at the lower section of the limit shoulder 211, usually carries foam gap filler Holding vessel 7 in the shoulder 722 that is arranged on liquid outlet 72 positioned at 72 middle part of liquid outlet outer rim and partially close liquid outlet 720, also It is to say, usual liquid outlet 720 is located at the front of the shoulder 722, referring to Fig. 1 to Fig. 3 or Figure 10 to Figure 13 or Figure 18 to figure 25, the impeller is located at the lower section of the defining flange, and advantageous effect is, when the external holding vessel 7 with foam gap filler In liquid outlet 72 load onto feed pathway 21, the liquid outlet 720 of liquid outlet 72 can be pushed first positioned at the limit in holding vessel 7 When impeller below the flange of position moves down opening feed pathway 21, the defining flange is made to squeeze the shoulder quickly 722, make the liquid outlet 72 in the holding vessel 7 is also rapid to open, keeps the foam gap filler very suitable from the liquid outlet 72 It sprays sharply into the feed pathway 21, prevents feed pathway 21 from the phenomenon of leakage occur, also prevent using for the first time The foam caulking gun of foam gap filler when using because of the liquid outlet during impeller is opened too early or holding vessel 7 then second 72 it is too late opening and make in gun body remain foam gap filler occur regurgitating phenomenon, that is to say, that prevent for the first time sprayed bubble The foam caulking gun of foam gap filler makes the bubble remained in gun body when second then is used because feed pathway is opened too early Foam gap filler occurs regurgitating phenomenon.

Under normal circumstances, referring to Fig. 2 and Fig. 3, the usual external holding vessel 7 with foam gap filler loads onto foam caulking gun Feed pathway 21 when, by being provided with inner wall phase of the sealing ring 721 with the feed pathway 21 on liquid outlet 72 in holding vessel 7 Sealing, prevents the phenomenon of leakage occur between liquid outlet 72 and feed pathway 21.

Under normal circumstances, referring to Fig. 4, the feed liquor that the usual external holding vessel 8 with cleaning agent loads onto foam caulking gun is logical When road 21, by being provided on liquid outlet 82 in the holding vessel 8 with cleaning agent in sealing ring 821 and the feed pathway 21 Wall mutually seals, and prevents the phenomenon of leakage occur between the liquid outlet 82 in holding vessel and feed pathway 21.

Sealing ring 10 can also be set between spool 32 and gun body 1, prevent the phenomenon of leakage occur between them.

Further, referring to Fig. 1, Fig. 3, Fig. 5, Fig. 6 and Fig. 7, the impeller 5 be equipped with 4 straight slots 551,552,553, 554 or through-hole 530 and 530 ' (referring to Figure 16 and 17), referring to Fig. 9, the impeller 5 be equipped with 4 straight slots 551 ', 552 ', 553 ', 554 ', the difference with Fig. 6 is also to carry inclined-plane 5510,5520,5530 and 5540 in Fig. 9 in the straight slot of impeller 51, is made It is sprayed from liquid outlet 72 in foam gap filler holding vessel 7 and more smooth and stable into the foam gap filler in feed pathway 2, When it is described with liquid outlet 72 in foam gap filler holding vessel 7 when the feed pathway 21 is combined, the straight slot or through-hole Communicated with the liquid outlet 720 with liquid outlet 72 in foam gap filler holding vessel 7, the straight slot or through-hole with positioned at described The feed pathway 21 of 210 lower section of closing mouth communicates, and advantageous effect makes to carry to be released in foam gap filler holding vessel 7 Foam gap filler passes through without blockage feed pathway 21 and enters in gun body, makes foam caulking gun uniform in foaming, and foaming object amount is big, Effect reasonable for structure, foaming before greatly increasing.Referring to Figure 16 and Figure 17 or Figure 18, the impeller 53 is equipped with through-hole 530,530 ', 1 or 2 or more through-hole can also be set on impeller 53,1 or 2 or 2 or more can also be set Groove, when it is described with liquid outlet 72 in foam gap filler holding vessel 7 when the feed pathway 21 is combined, the groove Or through-hole is communicated with the liquid outlet 720 with liquid outlet 72 in foam gap filler holding vessel 7, the groove or through-hole and position The feed pathway 21 in 210 lower section of closing mouth communicates, and advantageous effect is to make to carry to release in foam gap filler holding vessel 7 The foam gap filler of releasing passes through without blockage feed pathway 21 and enters in gun body, makes foam caulking gun uniform in foaming, foams Object amount is big, reasonable for structure, the effect to foam before greatly increasing.

Threaded connection usually can be used with foam caulking gun with foam gap filler holding vessel 7 or be mutually clamped and connect etc. it Its connection type.

It is additionally provided with the escapement for preventing the impeller from falling off in feed pathway above the closing mouth, joins See Fig. 1 to 4, the anticreep for preventing the impeller 5 from falling off is additionally provided in the feed pathway 21 of 210 top of closing mouth Mechanism is effectively guaranteed stability, flexibility and reasonability that impeller 5 moves up and down, prevents the impeller 5 from taking off It falls or dumb phenomenon, more effectively ensure that the foam gap filler stability of flow in external holding vessel and moves smoothly through described Feed pathway enters in the gun body.

Further, referring to 1 to Fig. 4 or Fig. 8, Figure 11 to Figure 23, Figure 32 to Figure 34, when the impeller 5 in feed pathway 21 Or impeller 5 and escapement be when being surrounded and blocked by foam gap filler, or need replacing impeller 5 or impeller 5 and anticreep When mechanism, even if being closed with remaining foam gap filler or cleaning agent in gun body 1, the impeller 5 or institute all can be freely replaced State impeller 5 and escapement, or can take out the impeller 5 or the impeller 5 and escapement cleaned after pacify again It is installed onto in feed pathway 21, does not interfere with sealing of the closure member 22 to feed pathway 21, be not in that leakage is existing in gun body 1 As this is reasonable for structure, convenient disassembly and safe and reliable, and at low cost, the effect to foam before generating is more preferable.Further, referring to Fig. 1, Fig. 8 or Figure 11, the escapement are spring 61, and 61 one end of the spring sticks the impeller 5,61 other end of the spring It is fixed in the feed pathway 21, it is simple and reasonable for structure, it is at low cost.Wherein, impeller 5 can be replaced arbitrarily, and when replacement only needs After one end of spring 61 is stuck impeller 5, refill into feed pathway 21, can also be impeller 5 and spring 61 together It replaces, feed pathway 21 is put into new impeller 5 and spring 61, it is at low cost, it is easy to assembly.It can also be clamped with pliers Impeller 5, then pull out can, can clean or replace old impeller 5 and spring 61, can also clear up positioned at pushing away Remaining foam gap filler in feed pathway at moving part 5 and spring 61, can be with special pliers again after cleaning or new pushing away Moving part 5 and spring 61 are installed into feed pathway 21, do not interfere with sealing of the closure member 22 to feed pathway 21, in gun body 1 not It will appear the phenomenon of leakage, in this way, can be continuing with can generate the preceding foam caulking gun to foam again.The impeller 5 can be used Plastics are made for preferably.

Further, 61 other end of the spring is fixed on the inner wall of the feed pathway 21, when by foam joint filling In agent holding vessel 7 when the downward thrust of liquid outlet 72,5 stress of the impeller, which moves down, pushes the closure member to move down And the feed pathway 21 is opened, and when liquid outlet 72 exits feed pathway 21 in foam gap filler holding vessel 7, the impeller Impeller 5 is pushed to reset because of the elastic force of spring 61, meanwhile, spring 61 also limits the line-spacing of impeller, and control impeller is not It can fall off, be effectively guaranteed stability, flexibility and reasonability that impeller moves up and down, prevent the impeller from taking off It falls or dumb phenomenon, more effectively ensure that the foam gap filler stability of flow in external holding vessel and moves smoothly through described Feed pathway enters in the gun body.

Referring to 20 to Figure 21 or Figure 22 to Figure 23 or Figure 24 to Figure 25, the escapement is for limiting the promotion The defining flange 62 or defining flange 62 ' of 5 displacement distance of part, it is simple and reasonable for structure, it is at low cost, wherein impeller 5 can be random It replaces, one end of spring 61 need to only be stuck impeller 5 by when replacement, can also be that impeller 5 and spring 61 are replaced together, Referring to Figure 24 to Figure 25, impeller 5 can be replaced arbitrarily, these are reasonable for structure, convenient disassembly and safe and reliable, at low cost, generation The effect of preceding foaming is more preferable.Further, the defining flange 62 or defining flange 62 ' are located at the limit shoulder 211 or limit The lower section of shoulder 211 ', it is simple and reasonable for structure, it is easy to process；Further, the impeller is at least partly limited flange It blocks, referring to Figure 21 or Figure 22, the defining flange 62 or defining flange 62 ' block the top of the impeller 5, effectively prevent Stop impeller 5 and obscission occurs, it is described to push away when liquid outlet 72 exits feed pathway 21 in foam gap filler holding vessel 7 Moving part 22 pushes impeller 5 to reset because of the elastic force of resetting spring 23, meanwhile, defining flange 62 or defining flange 62 ' block institute The top for stating impeller 5, also limits the line-spacing of impeller, and control impeller will not fall off, be effectively guaranteed on impeller Stability, flexibility and the reasonability of lower movement prevent the impeller 5 from occurring falling off or dumb phenomenon, more effectively protect It has demonstrate,proved the foam gap filler stability of flow in external holding vessel and has moved smoothly through the feed pathway and entered in the gun body 1. Can also be the escapement it is limit salient point for limiting 5 displacement distance of the impeller, limit salient point can be more The ring-type of a salient point composition, further, limit convex point are located at the lower section of the limit shoulder 211, further, the impeller 5 at least parts are blocked by the limit salient point, and the limit salient point blocks the top of the impeller 5, advantage and Above-mentioned identical, this will not be repeated here.

Referring to 20 to Figure 21 or Figure 22 to Figure 23 or Figure 24 to Figure 25, impeller (5,54) is made for excellent using plastics Choosing, easy to process, at low cost, poly- third or polyformaldehyde or nylon etc. may be used in plastics, when 5 quilt of impeller in feed pathway 21 Foam gap filler surrounds when blocking, or when needing replacing impeller (5,54), is filled out even if being closed with remaining foam in gun body 1 Agent or cleaning agent are stitched, the impeller (5,54) all can be freely replaced, or can be taken out after the impeller (5,54) cleaned It is mounted back onto again in feed pathway 21, does not interfere with sealing of the closure member 22 to feed pathway 21, be not in leakage in gun body 1 Phenomenon, this is reasonable for structure, convenient disassembly and safe and reliable, and at low cost, the effect to foam before generating is more preferable.Impeller (5,54) can It arbitrarily replaces, can also clamp impeller (5,54) with pliers, impeller (5,54) can be used plastics and be made flexible, then draw Out can, can clean or replace old impeller (5,54), can also clear up at impeller (5,54) into Remaining foam gap filler in liquid channel, can be with special pliers again after cleaning or new impeller (5,54) is installed into feed liquor In channel 21, sealing of the closure member 22 to feed pathway 21 is not interfered with, is not in the phenomenon of leakage in gun body 1, in this way, may be used again The preceding foam caulking gun to foam can be generated to be continuing with.

Referring to Figure 24 or Figure 25, the lateral section of the impeller 54 is dry font, simple and reasonable for structure, is moved up and down Stability is good, at low cost.

Referring to Figure 22 to Figure 23, neck bush 28 is set in feed pathway 21, is set between neck bush 28 and feed pathway 21 Sealing ring 29 to be set, prevents the phenomenon of leakage occur between them, sealing ring 29 is located at the bottom of the neck bush 28,

Referring to Figure 22 and Figure 23, limit shoulder 211 ' is arranged at the top of neck bush 28, and defining flange 62 ' is located at the limit The lower section of position shoulder 211 ', advantage is identical as Figure 20 structures, and this will not be repeated here.

Referring to Figure 26 to Figure 31, the escapement is the stop collar 63 for limiting the movement of impeller 55, the limit Set 63 can be fixed on the inner wall of the feed pathway 21, simple and reasonable for structure, at low cost, convenient disassembly.Impeller 55 and limit Position set 63 can be used plastics and be made for preferably, and easy to process, at low cost, poly- third or polyformaldehyde or nylon etc. may be used in plastics.

When in feed pathway 21 impeller 55 and stop collar 63 surrounded by foam gap filler when blocking, or need replacing When impeller 55 or impeller 55 and stop collar 63, even if being closed with remaining foam gap filler or cleaning agent in gun body 1, all may be used The impeller 55 or the impeller 55 and stop collar 63 are freely replaced, or the impeller 55 or the impeller can be taken out 55 and stop collar 63 cleaned after be mounted back onto again in feed pathway 21, do not interfere with closure member 22 to the close of feed pathway 21 It seals, is not in the phenomenon of leakage in gun body 1, this is reasonable for structure, convenient disassembly and safe and reliable, at low cost, foaming before generating Effect is more preferable.Further, referring to Figure 26, Figure 27, impeller 55 can also be clamped with pliers, impeller 55 and stop collar 63 can be adopted It is made of plastic flexible, then pull out can, stop collar 63 and impeller 55 all can also be pressed from both sides out with pliers, Old impeller 5 and stop collar 63 can be cleaned or be replaced, the feed liquor at impeller 55 and stop collar 63 can also be cleared up Remaining foam gap filler in channel, can be with special pliers again after cleaning or new impeller 55 and stop collar 63 are installed into In feed pathway 21, sealing of the closure member 22 to feed pathway 21 is not interfered with, is not in the phenomenon of leakage in gun body 1, in this way, It can be continuing with the foam caulking gun to foam before capable of generating again.

Further, there is matching hole 630, the diameter of the matching hole 630 and the impeller 55 on the stop collar 63 Matching makes the stop collar 63 be socketed on the impeller 55, and the impeller 55 stretches out the tip portion of matching hole 630 510 diameter is more than the aperture of the matching hole 630, limits the line-spacing of impeller 55, and control impeller 55 will not fall off, have It ensure that stability, flexibility and reasonability that impeller moves up and down to effect, prevent the impeller from occurring falling off or ineffective Appear vividly as more effectively ensure that the foam gap filler stability of flow in external holding vessel and move smoothly through the feed pathway Into in the gun body.4 through-holes 91,92,93,94 are set on the stop collar 63, are effectively guaranteed foam gap filler Smoothly pass through from stop collar 63.

Referring to Fig. 1 and Fig. 4, the external holding vessel 8 that can also be changed to cleaning agent on the foam caulking gun is described In the holding vessel 8 of cleaning agent carry liquid outlet 82, the foam caulking gun be characterized in that the feed pathway 21 be additionally operable to outside The liquid outlet 82 connect in cleaning agent holding vessel 8 is connected to each other, when the liquid outlet 82 in cleaning agent holding vessel 8 load onto it is described When feed pathway 21, the stress by way of push type or air pressure self-action of the closure member 22, which moves down, opens the feed liquor Channel 21, advantageous effect are two kinds of different structure peaces of holding vessel of the holding vessel and cleaning agent that efficiently avoid foam gap filler The not interaction brought on the same foam caulking gun and cause cleaning leakage or cleaning difficult or can not clean.

Further, the stress by way of air pressure self-action of the closure member 22, which moves down, opens the feed pathway 21, when the liquid outlet 82 in cleaning agent holding vessel 8 loads onto the feed pathway 21, referring to Fig. 4, the cleaning agent The closure member 22 is pushed open automatically using the pressure of itself and cleans the foam gap filler remained in the foam caulking gun, it is this In the case of, it is preferred that softer elasticity, which is made, in resetting spring 23, and cleaning agent is made to be easy to push closure member 22 open using the pressure of itself, When the liquid outlet 82 in the cleaning agent holding vessel 8 exits when leaving the feed pathway 21, the closure member 22 is because resetting The elastic force of spring 23 and seal the feed pathway 21, this is simple and reasonable for structure, at low cost, easy to clean, and cleaning is less prone to The phenomenon of leakage.

Further, when the external liquid outlet 82 in cleaning agent holding vessel 8 loads onto the feed pathway 21, institute The liquid outlet 82 stated in external cleaning agent holding vessel 8 is not in contact with the impeller 22, and the impeller 22 setting is logical in feed liquor Simple and reasonable for structure in road 21, at low cost, product is stablized, and qualification rate is high, is suitble to produce in enormous quantities.

Further, when the liquid outlet 82 in cleaning agent holding vessel 8 loads onto the feed pathway 21 and leans against When on the limit shoulder 211, the holding vessel 8 with cleaning agent continues to move down, and so that the limit shoulder 211 is squeezed described Liquid outlet 82 in cleaning agent holding vessel 8 keeps the liquid outlet 82 in the holding vessel 8 mobile to 8 direction of the holding vessel and beats The liquid outlet 82 in the holding vessel 8 is opened, the cleaning agent is made to be sprayed from the liquid outlet 82 in the holding vessel 8 described in entrance In feed pathway 21, the cleaning agent pushes the closure member 22 open using the pressure of itself and cleans the foam caulking gun automatically In the foam gap filler that remains, simple and reasonable for structure and stablize, at low cost, qualification rate is high, is suitble to produce in enormous quantities.

Referring to Fig. 1, Fig. 3, Fig. 4, Fig. 6 and Fig. 7, the impeller 5 is equipped with 4 straight slots 551,552,553,554 or logical Hole 530 and 530 ' (referring to Figure 16 or 18), referring to Figure 10, the impeller 52 is equipped with 3 straight slots 551,552,553, works as institute State with liquid outlet 82 in cleaning agent holding vessel 8 with the feed pathway 21 is combined when, the straight slot or through-hole or groove and The liquid outlet 820 with liquid outlet 82 in foam gap filler holding vessel 8 communicates, the straight slot or through-hole or groove be located at The feed pathway 21 of 210 lower section of closing mouth communicates, and advantageous effect makes to carry to be released in cleaning agent holding vessel 8 Cleaning agent passes through without blockage feed pathway 21 and enters in gun body, and cleaning performance is good.

Referring to Figure 16 and Figure 18, it is logical that the stress by way of push type of the closure member 22 moves down the opening feed liquor Road 21 loads onto the feed pathway 21 when the liquid outlet 82 in cleaning agent holding vessel 8 and connects with the impeller 53 When touching and making the liquid outlet 82 in holding vessel 8 that the impeller 53 be pushed to move down, the closure member 22 is by the promotion The thrust of part 53, which moves down, opens the feed pathway 21, and the cleaning agent is made to be sprayed from the liquid outlet 82 of the holding vessel 8 Go out to enter in the feed pathway 21, the cleaning agent cleans the foam gap filler remained in the foam caulking gun, when described When liquid outlet 82 in cleaning agent holding vessel 8 exits and leaves the feed pathway 21, the closure member 22 is because of resetting spring 23 Elastic force and seal the feed pathway 21, this is simple and reasonable for structure, at low cost, easy to clean, and it is existing that cleaning is less prone to leakage As.The spring 61 is located in the feed pathway 21 of 210 top of closing mouth, and impeller 53 makes because of the elastic force of the spring 61 The impeller 53 playbacks, and prevents delay or stuck phenomenon.

Referring to Figure 32 and Figure 34, it is logical that the stress by way of push type of the closure member 22 moves down the opening feed liquor Road 21 loads onto the feed pathway 21 when the liquid outlet 82 in cleaning agent holding vessel 8 and is in contact with the impeller 5 And when making the liquid outlet 82 in holding vessel 8 that the impeller 5 be pushed to move down, the closure member 22 is by the impeller 5 Thrust move down and open the feed pathway 21, make the cleaning agent sprayed from the liquid outlet 82 of the holding vessel 8 into Enter in the feed pathway 21, the cleaning agent cleans the foam gap filler remained in the foam caulking gun, when the cleaning When liquid outlet 82 in agent holding vessel 8 exits and leaves the feed pathway 21, bullet of the closure member 22 because of resetting spring 23 Power and seal the feed pathway 21, this is simple and reasonable for structure, at low cost, easy to clean, cleaning be less prone to the phenomenon of leakage.

Further, the feed pathway 21 is internally provided with cooperates with the liquid outlet of external cleaning agent holding vessel 8 82 Second limit shoulder 212, it is described second limit shoulder 212 be located at it is described limit shoulder 211 lower section, second limiting stand The diameter of shoulder 212 is less than the diameter of the limit shoulder 211, and the second limit shoulder 212 is for squeezing the cleaning agent storage The liquid outlet 82 for depositing tank 8 keeps the liquid outlet 82 in the holding vessel 8 mobile to 8 direction of the holding vessel and opens the storage The liquid outlet 82 of tank 8 makes the cleaning agent be sprayed from the liquid outlet 82 of the holding vessel 8 into the feed pathway 21, The second limit shoulder is leaned against when the liquid outlet 82 in the holding vessel 8 with cleaning agent loads onto the feed pathway 21 When 211, the holding vessel 8 with cleaning agent continues to move down, and can pass through the holding vessel 8 and 21 outer rim of the feed pathway 27 phase of screw thread of setting is screwed on and generates and move down, can also by be arranged on the holding vessel 8 two protrusions with it is described into Two annular through groove of liquid channel 21 outer rim setting are mutually screwed on and generate and move down, and the second limit shoulder 211 is made to squeeze The liquid outlet 82 of the cleaning agent holding vessel 8 makes the cleaning agent be sprayed from the liquid outlet 82 of the holding vessel 8 described in entrance In feed pathway 21, it is described second limit shoulder 211 push the liquid outlet 82 in the cleaning agent holding vessel 8 and with liquid outlet 82 It mutually seals, the cleaning agent cleans the foam gap filler remained in the foam caulking gun, when in the holding vessel 8 of the cleaning agent Liquid outlet 82 when exiting and leaving the feed pathway 21, described in the closure member 22 is sealed because of the elastic force of resetting spring 23 Feed pathway 21, this is simple and reasonable for structure, at low cost, easy to clean, and cleaning is less prone to the phenomenon of leakage；It efficiently avoids What two kinds of different structures of the holding vessel of foam gap filler and the holding vessel of cleaning agent were brought on the same foam caulking gun Not interaction and cause cleaning leakage or cleaning difficult or can not clean.

Referring to Fig. 1, ball may be used in the closure member 22, and good airproof performance is at low cost.

Referring to Figure 22, the closure member 22 and the feed pathway 21 directly mutually seal, it is therefore prevented that closure member 51 with it is described There is the phenomenon of leakage between feed pathway 2.

Referring to Fig. 1 or Figure 12, between the closure member 22 or 22 ' and the feed pathway 21 by sealing ring 25 or 25 ' It mutually seals, has been better protected between closure member 51 and the feed pathway 21 and the phenomenon of leakage occurred.

Further, referring to Fig. 1, the sealing ring 25 can be fixed in the feed pathway 21, described close referring to Figure 12 Seal 25 ' can also be fixed on the closure member 22 ', reasonable for structure, simple, and good airproof performance is at low cost, be suitble to high-volume raw Production.

Referring to Figure 16 and Figure 17, recess portion 56 is made in the top of the impeller 53, is stored convenient for external foam gap filler Liquid outlet 82 in tank 8 is put in, and further, through-hole 530,530 ' is arranged on the recess portion 56, convenient for the liquid outlet in holding vessel 8 The foam gap filler sprayed in 82 can smoothly enter into feed pathway.It can also be provided with slot on the recess portion 56, be convenient for holding vessel 8 In liquid outlet 82 in the foam gap filler that sprays can smoothly enter into feed pathway.

Referring to Fig. 1, the lateral section of the impeller 5 is T-shaped, and simple in structure, at low cost, performance is more preferable.

Referring to Fig. 6, Fig. 7 and Fig. 9, the plan structure of the impeller 5 or 51 is four heel brace shapes, described to push away referring to Figure 10 The three heel brace shape of plan structure of moving part 52, or five heel brace shapes or six heel brace shapes, it is reasonable for structure, it is easy to process, it is at low cost, It is suitble to produce in enormous quantities.It is preferred that the plan structure of the impeller is four heel brace shapes or three heel brace shapes.

Referring to Fig. 1, Fig. 5, Figure 28 and Figure 35, the closure member 22 is spheroidal, the bottom setting of the impeller 5 and institute State the matched concave surface of closure member.Further, the concave surface is concaved circular cambered surface (57,57 '), the phase being effectively prevented between them There is sliding phenomenon in contact, and stability in use is good.

It is noted that the impeller and feed pathway can be detachable structure.The escapement can also It is detachable structure with the feed pathway.When the escapement is spring, the impeller and spring with it is described into Liquid channel is dismountable structure.

Referring to Fig. 1, Fig. 8 and Figure 11, the impeller 5 is with feed pathway 21 can dismountable structure.Further, institute State impeller 5 and escapement and the feed pathway 21 or dismountable structure.The escapement is spring 61, The impeller 5 and spring 61 and the feed pathway 21 can be dismountable structure.Convenient disassembly and safe and reliable, will not There is the phenomenon of leakage, at low cost, the effect to foam before generating is more preferable, and when needing to separate, impeller 5 can be clamped with pliers, Then pull out can, referring to Fig. 1, Fig. 8 and Figure 11, can clean or replace the impeller 5 and spring 61 of dismounting, can be with Impeller 5 and spring 61 are installed into feed pathway 21 again with special pliers, in this way, can be continuing with can generate preceding hair again The foam caulking gun of bubble.

Claims

1. a kind of foam caulking gun, including gun body, liquid feed valve, liquid valve and switching device, liquid feed valve includes feed pathway, closing Part and resetting spring, the closure member mutually seals with feed pathway and forms closing mouth inside the feed pathway, described Confining zone is formed on closure member, it is characterised in that：It is arranged for pushing away inside the feed pathway above the closing mouth The impeller that moves down of the closure member is moved, when the impeller is by downward thrust, pushes the closure member to moving down It is dynamic to open the feed pathway, so that the impeller is controlled between the confining zone and the closing mouth and keeps stable spacing； When the closure member is not by downward thrust, feed liquor described in resilient seal of the closure member because of the resetting spring is logical Road；The impeller is equipped at least one groove or straight slot or through-hole, when liquid outlet in the holding vessel with foam gap filler When the feed pathway is combined, the groove or straight slot or through-hole are with described with liquid outlet in foam gap filler holding vessel Outlet communicate, the groove or straight slot or through-hole are communicated with the feed pathway below the closing mouth.

2. foam caulking gun according to claim 1, which is characterized in that also set in the feed pathway above the closing mouth It is equipped with the escapement for preventing the impeller from falling off.

3. foam caulking gun according to claim 2, which is characterized in that the impeller is external by downward thrust The downward thrust of liquid outlet in foam gap filler holding vessel；Or the impeller is to be stored with cleaning agent by downward thrust The downward thrust of liquid outlet in tank, it is described when the liquid outlet in cleaning agent holding vessel loads onto the feed pathway Closure member stress by way of push type or air pressure self-action, which moves down, opens the feed pathway.

4. foam caulking gun according to claim 3, which is characterized in that when described in foam gap filler holding vessel Liquid outlet loads onto the feed pathway, and is in contact with the impeller and makes to push away described in the liquid outlet promotion in the holding vessel When moving part moves down, the closure member is moved down by the thrust of the impeller and opens the feed pathway, makes described Impeller controls and keeps stable spacing between the confining zone and the closing mouth, and foam gap filler holding vessel is carried when described In liquid outlet when exiting and leaving the impeller, it is logical that the closure member seals the feed liquor because of the elastic force of resetting spring Road.

5. foam caulking gun according to claim 4, which is characterized in that the feed pathway is internally provided with and external bubble The mutually matched first limit shoulder of liquid outlet in foam gap filler holding vessel, the first limit shoulder is for squeezing the foam Liquid outlet in gap filler holding vessel keeps the liquid outlet in the holding vessel mobile to the holding vessel direction and opens the storage The liquid outlet in tank is deposited, the foam gap filler is made to be sprayed from the liquid outlet of the holding vessel into the feed pathway.

6. foam caulking gun according to claim 5, which is characterized in that the impeller is located at described first and limits shoulder Lower section.

7. the foam caulking gun according to any claim in claim 2 to 6, which is characterized in that the escapement For spring, the spring one end sticks the impeller, and the spring other end is fixed in the feed pathway.

8. foam caulking gun according to claim 7, which is characterized in that it is logical that the spring other end is fixed on the feed liquor On the inner wall in road.

9. the foam caulking gun according to any claim in claim 5 to 6, which is characterized in that the escapement For the limit salient point or defining flange for limiting the impeller displacement distance.

10. foam caulking gun according to claim 9, which is characterized in that the limit salient point or defining flange are located at institute State the lower section of the first limit shoulder.

11. foam caulking gun according to claim 10, which is characterized in that the impeller at least part is by the limit Position salient point or defining flange block.

12. the foam caulking gun according to any claim in claim 2 to 6, which is characterized in that the escapement For the stop collar for limiting impeller movement, the stop collar is fixed on the inner wall of the feed pathway.

13. foam caulking gun according to claim 12, which is characterized in that there is matching hole on the stop collar, it is described Matching hole is matched with the diameter of the impeller makes the stop collar be socketed on the impeller, and the impeller stretching is matched The diameter for closing the tip portion in hole is more than the aperture of the matching hole.

14. foam caulking gun according to claim 3, which is characterized in that the side that the closure member passes through air pressure self-action Formula stress, which moves down, opens the feed pathway, and loading onto the feed liquor when the liquid outlet in cleaning agent holding vessel leads to When road, the cleaning agent pushes the closure member open using the pressure of itself and cleans the bubble remained in the foam caulking gun automatically Foam gap filler, when the liquid outlet in the cleaning agent holding vessel exits when leaving the feed pathway, the closure member is because multiple Position spring elastic force and seal the feed pathway.

15. foam caulking gun according to claim 5, which is characterized in that the side that the closure member passes through air pressure self-action Formula stress, which moves down, opens the feed pathway, and loading onto the feed liquor when the liquid outlet in cleaning agent holding vessel leads to When road, the cleaning agent pushes the closure member open using the pressure of itself and cleans the bubble remained in the foam caulking gun automatically Foam gap filler, when the liquid outlet in the cleaning agent holding vessel exits when leaving the feed pathway, the closure member is because multiple Position spring elastic force and seal the feed pathway.

16. foam caulking gun according to claim 14, which is characterized in that when described with going out in cleaning agent holding vessel When liquid mouth loads onto the feed pathway, the liquid outlet in cleaning agent holding vessel is not in contact with the impeller.

17. foam caulking gun according to claim 15, which is characterized in that when described with going out in cleaning agent holding vessel When liquid-mouth loads onto the feed pathway and leans against on the first limit shoulder, the holding vessel with cleaning agent continues to moving down It is dynamic, so that the first limit shoulder is squeezed the liquid outlet in the cleaning agent holding vessel, make liquid outlet in the holding vessel to The holding vessel direction is mobile and opens the liquid outlet in the holding vessel, and the cleaning agent is made to go out liquid from the holding vessel It sprays and enters in the feed pathway in mouth, the cleaning agent pushes the closure member open using the pressure of itself and cleans institute automatically State the foam gap filler remained in foam caulking gun.

18. foam caulking gun according to claim 5, which is characterized in that closure member stress by way of push type It moves down and opens the feed pathway, when the liquid outlet in cleaning agent holding vessel loads onto the feed pathway and institute When stating impeller and being in contact and make liquid outlet in holding vessel that the impeller be pushed to move down, the closure member is by described The thrust of impeller, which moves down, opens the feed pathway, make the cleaning agent sprayed from the liquid outlet of the holding vessel into Enter in the feed pathway, the cleaning agent cleans the foam gap filler remained in the foam caulking gun, when the cleaning agent When liquid outlet in holding vessel exits and leaves the feed pathway, described in the closure member is sealed because of the elastic force of resetting spring Feed pathway.

19. according to foam caulking gun described in claim 18, which is characterized in that the feed pathway be internally provided with it is external clear The mutually matched second limit shoulder of liquid outlet of lotion holding vessel, the second limit shoulder are located at described first and limit shoulder Lower section, it is described second limit shoulder diameter be less than it is described first limit shoulder diameter, it is described second limit shoulder is used for Squeeze the liquid outlet of the cleaning agent holding vessel.

20. the foam caulking gun according to any claim in claim 1 to 6, which is characterized in that the closure member is adopted Use ball.

21. the foam caulking gun according to any claim in claim 1 to 6, which is characterized in that the closure member with It is mutually sealed by sealing ring between the feed pathway.

22. foam caulking gun according to claim 21, which is characterized in that the sealing ring is fixed on the feed pathway In.

23. foam caulking gun according to claim 21, which is characterized in that the sealing ring is fixed on the closure member On.

24. the foam caulking gun according to any claim in claim 1 to 6, which is characterized in that the impeller Recess portion is made in top.

25. foam caulking gun according to claim 24, which is characterized in that be provided with slot or through-hole on the recess portion.

26. the foam caulking gun according to any claim in claim 1 to 6, which is characterized in that the impeller Lateral section is T-shaped or dry font.

27. foam caulking gun according to claim 26, which is characterized in that the plan structure of the impeller is three heel braces Shape, four heel brace shapes, five heel brace shapes or six heel brace shapes.

28. the foam caulking gun according to any claim in claim 1 to 6, which is characterized in that the closure member is Spheroidal, bottom setting and the matched concave surface of the closure member of the impeller.

29. foam caulking gun according to claim 28, which is characterized in that the concave surface is concaved circular cambered surface.

30. the foam caulking gun according to any claim in claim 2 to 6, which is characterized in that the impeller with Feed pathway is detachable structure.

31. foam caulking gun according to claim 30, which is characterized in that the impeller and escapement with it is described into Liquid channel is detachable structure.

32. foam caulking gun according to claim 30, which is characterized in that the escapement is spring, the promotion Part and spring and the feed pathway are dismountable structure.