CN102824977A

CN102824977A - Foaming gun

Info

Publication number: CN102824977A
Application number: CN2012103304300A
Authority: CN
Inventors: 高益松
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-09-08
Filing date: 2012-09-08
Publication date: 2012-12-19
Anticipated expiration: 2032-09-08
Also published as: CN102824977B

Abstract

The invention provides a foaming gun, belonging to the technical field of engineering, aiming at solving the problems that the use tool of the existing foaming agent pressure tank is troublesome to machine, high in production cost, etc. According to the foaming gun, the foaming agent pressure tank arranged on the foaming gun comprises a tank body with a material nozzle. The foaming gun comprises a spray pipe and a gun handle held by operators, wherein a connection part for fixing the tank body is arranged on the gun handle, the inner end of the spray pipe is arranged at the connection part and can be communicated with the material nozzle of the tank body, the outer end of the spray pipe extends out of the gun handle, a starting structure capable of pushing the inner end of the spray pipe and opening the material nozzle of the tank body after being deformed by applying an outer force is arranged on the gun handle, and the opening structure can be automatically reset and the material nozzle of the tank body can be closed when the application of the outer force is stopped. The foaming gun has the advantages of being convenient to machine, low in cost, etc.

Description

A kind of foam gun

Technical field

The invention belongs to field of engineering technology, relate to a kind of tool using of polyurethane foams, specially refer to a kind of foam gun.

Background technology

After door frame, window frame were installed in architectural engineering, itself and between the walls left the slit, also can leave the slit after the installations such as some equipment, pipeline, must fill and fill a vacancy, and made its smooth or sealing.All utilize polyurethane foams to fill up at present mostly, this material have easy to use again can leakproof the advantage of insulation.Polyurethane foams be packaged in the pressurized tank and isolated with air, because of its characteristic be when with can foamed solidification after air contact, thereby use the instrument that polyurethane foams blind need special use.

The tool using of existing polyurethane foams, for example the Chinese patent documents and materials disclose a kind of tool using [patent No. 200910144083.0 of foamer pressure tank; Publication number: CN101596510A]; Foamer pressure tank comprises tank body that polyurethane foams is housed and has feed nozzle and the jet pipe that is connected with feed nozzle; Between feed nozzle and jet pipe, be provided with and put forth effort part; Tool using comprises handle and is connected on the handle and can tank body be fixedly coupled mechanism, on handle, also is provided with to promote to put forth effort the opener that feed nozzle that part makes tank body is opened.

That the tool using of this kind foamer pressure tank is puted forth effort is stable and laborsaving, spray evenly, but the tool using of this kind foamer pressure tank in use, pulls trigger; Through gear on the trigger and the effect that pushes away the engagement of the tooth bar on the bar; Promotion pushes away on the bar and moves, and the top-pressure part that pushes away on the bar is acted on the feed nozzle of tank body is opened, and the tool using of this kind foamer pressure tank uses the engagement of wheel and rack to produce and moves; Machining accuracy is high; The processing trouble, and parts are various, and production cost is high.

Summary of the invention

The objective of the invention is to the problems referred to above that exist in the prior art, a kind of simple in structure, easy to process and foam gun that production cost is low is provided.

The object of the invention can be realized through following technical proposal: a kind of foam gun; The foamer pressure tank that is used to be installed on the foam gun comprises the tank body with feed nozzle; It is characterized in that this foam gun comprises the jet pipe and the small of the stock that is used to supply the operator to grip, and has the connecting portion that is used for fixing tank body on the said small of the stock; Said jet pipe the inner is positioned at the connecting portion place and can be connected with the feed nozzle of tank body; The small of the stock is stretched out in said jet pipe outer end, has on the said small of the stock through applying external force can be out of shape the back and promote the opening structure that jet pipe is inner and the feed nozzle of tank body is opened, and the above-mentioned opening structure of external force can automatically reset and the feed nozzle of tank body is closed when stopping to apply.

This foam gun is used for the polyurethane foams in the foamer pressure tank is ejected; Foamer pressure tank all can be buied in architectural hardware market; Foamer pressure tank is connected through the connecting portion and the small of the stock of small of the stock top; The operator applies the deformation of external force through opening structure and promotes jet pipe the feed nozzle of tank body is opened, and polyurethane foams ejects along jet pipe; The operator stops to apply external force, and opening structure automatically resets, and the tank body feed nozzle is closed automatically, and polyurethane foams stops ejection.

In above-mentioned a kind of foam gun, described opening structure comprises trigger and Shape-changeable ring, said Shape-changeable ring ringwise and have elasticity, Shape-changeable ring is between the trigger and the small of the stock, above-mentioned jet pipe the inner is resisted against the Shape-changeable ring place.Pull trigger, trigger crimp ring, Shape-changeable ring is squeezed flat, and the width of left and right directions diminishes; It is big that the length of above-below direction becomes, and Shape-changeable ring makes on the jet pipe through the deflection that extends and moves, and triggers the unlatching of tank body feed nozzle; Polyurethane foams is sprayed along jet pipe, simple in structure, easy to operate.

In above-mentioned a kind of foam gun, said trigger, Shape-changeable ring and the small of the stock are that integral structure and its material are plastic material.Trigger, Shape-changeable ring and the small of the stock are through single injection-molded, and be easy to process, and production cost is low, and the firm degree of integral structure is high.

In above-mentioned a kind of foam gun, described jet pipe is L-shaped, and above-mentioned Shape-changeable ring is resisted against the L shaped corner of jet pipe.Tank body is approximate to be stood upright on directly over the small of the stock, and jet pipe is horizontally installed on the place ahead of the small of the stock, and tank body and jet pipe are perpendicular; One end of jet pipe is L-shaped, and jet pipe can be linked to each other with tank body, and is rational in infrastructure; Shape-changeable ring is resisted against the L shaped corner of jet pipe, makes things convenient for the unlatching of tank body feed nozzle.

In above-mentioned a kind of foam gun, this foam gun also comprises the tube connector of a rigidity, and an end of tube connector is connected with above-mentioned jet pipe the inner, and the other end of tube connector can be connected with the feed nozzle of tank body.Tube connector is used for connecting the feed nozzle of jet pipe and tank body.

In above-mentioned a kind of foam gun, said tube connector is L-shaped, and described jet pipe is the vertical bar shape, and above-mentioned Shape-changeable ring is resisted against the L shaped corner of tube connector.Tube connector is positioned at the small of the stock, and an end links to each other with jet pipe, and the other end links to each other with the feed nozzle of tank body; Tank body is connected with jet pipe, easy to connect, when Shape-changeable ring is extruded distortion; When promoting to move on the tube connector, because tube connector has rigidity, the feed nozzle of tank body can be opened easily.

In above-mentioned a kind of foam gun, also have guide pad between described Shape-changeable ring and the tube connector, have between the said guide pad and the small of the stock and can make the guide frame of guide pad along small of the stock rectilinear translation.Guide frame makes tube connector when moving up and down, and the phenomenon of double swerve, deviation position can not occur, the tube connector good stability, and the degree of accuracy of opening feed nozzle is high, and ejection efficiency is high.

In above-mentioned a kind of foam gun; The bottom of described guide pad has and is used for the contact site one that contacts with Shape-changeable ring; Guide pad top has and is used for the contact site two that contacts with tube connector, and above-mentioned guide frame is that gathering sill and the gib block on the small of the stock and the gib block of guide pad sidepiece is positioned at above-mentioned gathering sill place.The top and the bottom of guide pad contact with Shape-changeable ring with tube connector respectively and link to each other; The sidepiece of guide pad has the linearly gathering sill of shape, has the gib block that is the vertical bar shape on the small of the stock, and gib block is positioned at gathering sill; And size between the two is complementary; Tube connector can only be moved along the direction that gathering sill and gib block slide, and tube connector can only upper and lower translation, can deviation position.

In above-mentioned a kind of foam gun, said contact site one is complementary with the Shape-changeable ring outer shape, and said contact site two is complementary with the L shaped corner shape of tube connector.Contact site one is circular arc, and contact site two is L-shaped, and guide pad and tube connector and Shape-changeable ring all fit tightly, compact conformation, and transmission is effective.

In above-mentioned a kind of foam gun, described connecting portion is the threaded connection hole at small of the stock top.Small of the stock top has the internal thread connecting hole, and the end that tank body has feed nozzle has externally threaded joint, through being threaded, tank body is linked to each other with the small of the stock.

In above-mentioned a kind of foam gun, have the ringwise button that protects on the described small of the stock, above-mentioned trigger, Shape-changeable ring all are positioned at and protect button.Overall structure is attractive in appearance.

In above-mentioned a kind of foam gun, described protect to buckle have tubular guide cylinder, above-mentioned guide cylinder is enclosed within to have between jet pipe middle part and guide cylinder and the jet pipe and supplies jet pipe along its trace gap of moving radially.Jet pipe wears in the guide cylinder; Guide cylinder plays guiding to jet pipe and supports, when Shape-changeable ring crimp makes when moving on the tube connector, owing to have the gap between guide cylinder and the jet pipe; Jet pipe with on move; The high conformity that jet pipe and tube connector move, jet pipe are connected stable with tube connector, firmly degree is high.

In above-mentioned a kind of foam gun, describedly protect that button, the small of the stock, Shape-changeable ring and trigger are plastic material and be integral structure.Protecting button, the small of the stock, Shape-changeable ring and trigger is through single injection-molded, and easy to process, production cost is low, and the firm degree of integral structure is high.

In above-mentioned a kind of foam gun, its inside of the said small of the stock is cavity.Inside is that cavity is saved material, and cost is low, and is good in economic efficiency.

Compared with prior art, a kind of foam gun provided by the invention has the following advantages:

1, this foam gun makes Shape-changeable ring produce deformation through extruding, thereby promotes to move on the tube connector, opens the foamer pressure tank feed nozzle, reaches the purpose of using polyurethane foams blind, and is simple in structure, easy to process.

2, the common cooperation of the gathering sill of this foam gun guide pad sidepiece and the gib block on the small of the stock makes tube connector when moving up and down, and translation along a straight line can left and right deviation, and moving direction is consistent, good stability.

3, protect button, the small of the stock, Shape-changeable ring and the trigger of this foam gun are plastic material through single injection-molded, and easy to process, cost is low, and can repeatedly recycle, and need not to clean.

Description of drawings

Fig. 1 is the overall structure sketch map of this foam gun.

Fig. 2 is the small of the stock structural representation of this foam gun.

Fig. 3 is the tube connector of this foam gun and the structural representation of guide pad.

Among the figure, 1, tank body; 2, jet pipe; 3, the small of the stock; 3a, connecting portion; 3b, trigger; 3c, Shape-changeable ring; 3d, gib block; 3e, protect button; 3f, guide cylinder; 4, tube connector; 5, guide pad; 5a, contact site one; 5b, contact site two; 5c, gathering sill.

The specific embodiment

Below be specific embodiment of the present invention and combine accompanying drawing, technical scheme of the present invention is done further to describe, but the present invention is not limited to these embodiment.

This foam gun is used to open the feed nozzle of foamer pressure tank, reaches the purpose of using polyurethane foams blind, and foamer pressure tank is a current material, all can buy in architectural hardware market.As shown in Figure 1, this foam gun comprises the jet pipe 2 and the small of the stock 3.The small of the stock 3 is the parts that supply the operator to control, and its inside is cavity, has reinforcement on the madial wall of cavity, this kind structure economical with materials, and cost is low, and is in light weight, guarantees the firm degree of the small of the stock 3 simultaneously.

Like Fig. 1, shown in Figure 2, the top of the small of the stock 3 has the connecting portion 3a that is connected mutually with tank body 1, and connecting portion 3a is the internal thread connecting hole, has externally threaded joint on the tank body 1, through being threaded, the tank body 1 and the small of the stock 3 is connected.Have the opening structure of opening feed nozzle on the small of the stock 3, this opening structure comprises trigger 3b and Shape-changeable ring 3c, and the side of trigger 3b has two recessed cambered surfaces, this cambered surface confession operator's forefinger, middle finger against.Shape-changeable ring 3c in the form of a ring and have elasticity, Shape-changeable ring 3c and is connected with both between the trigger 3b and the small of the stock 3; Contact site one 5a of the top of Shape-changeable ring 3c and guide pad 5 is close to and closes, and contact site two 5b of guide pad 5 and tube connector 4 are close to and are closed, and tube connector 4 links to each other with the feed nozzle of tank body 1; When the operator pulled trigger 3b, Shape-changeable ring 3c was because stressed by crowded flat distortion, and the width of its left and right directions diminishes; The length of above-below direction is elongated, and Shape-changeable ring 3c promotes to move on the guide pad 5, and guide pad 5 promotes to move on the tube connector 4; Move on the tube connector 4 and touch the feed nozzle unlatching, polyurethane foams ejects from tank body 1.In order to make this programme more perfect, guide pad 5 and the small of the stock 3 between be provided with and can make the guide frame of guide pad 5 along the small of the stock 3 rectilinear translations, this guide frame comprises the gathering sill 5c of guide pad 5 sidepieces and the gib block 3d on the small of the stock 3; Gib block 3d is positioned at gathering sill 5c, and size between the two is complementary, after Shape-changeable ring 3c is squeezed distortion; Guide pad 5 can only be along the motion track rectilinear translation between gathering sill 5c and the gib block 3d; Situation such as double swerve, deviation position can not occur, guide pad 5 is integral structures with tube connector 4, and promptly tube connector 4 can only upper and lower translation; Good stability, the precision of opening tank body 1 feed nozzle is high.

Also have on the small of the stock 3 in the form of a ring protect the button 3e, make the overall structure of the small of the stock 3 attractive in appearance.Protect button and have tubular guide cylinder 3f on the 3e, jet pipe 2 is located in the guide cylinder 3f, and in the diameter of jet pipe 2, promptly jet pipe 2 can moving along its radial diameter trace along its somewhat larger in diameter radially for guide cylinder 3f.

Like Fig. 1, shown in Figure 3, the gun barrel that this foam gun is used to spray comprises nozzle head, jet pipe 2 and tube connector 4, and nozzle head, jet pipe 2 and tube connector 4 are processed by plastic material, and production cost is low, is disposable products, need not after the use to clean, directly replacing.The first end of jet pipe is a jet exit, and bore is less, and the other end has anti-slop serrations, is used for linking to each other with jet pipe 2.Jet pipe 2 is the vertical bar shape, has elasticity, and the one of which end links to each other with nozzle head, and the other end is located in the guide cylinder 3f and links to each other with tube connector 4, and jet pipe 2 is as the passage of polyurethane foams emission, and length is longer, and is easy to use.Tube connector 4 is L-shaped, and the end with anti-slop serrations links to each other with jet pipe 2, and the other end is connected with the feed nozzle of tank body 1, and tube connector 4 has certain rigid, and is not yielding, and tube connector is L-shaped, has changed the direction when polyurethane foams sprays, and is rational in infrastructure.

The small of the stock 3, to protect button 3e, guide cylinder 3f, gib block 3d, Shape-changeable ring 3c, trigger 3b and connecting portion 3a all be by the plastic material single injection-molded, and easy to process, production cost is low, and integral structure, good stability, and firmly degree is high.

This foam gun is to need not to clean, and can repeatedly recycle, and production cost is low, and economic benefit is high, and utilizes strain to reach the purpose of opening feed nozzle, and is simple in structure, easy to process.

Specific embodiment described herein only is that the present invention's spirit is illustrated.Person of ordinary skill in the field of the present invention can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.

Although this paper has used tank body 1, jet pipe 2, the small of the stock 3, connecting portion 3a, trigger 3b, Shape-changeable ring 3c, gib block 3d, protected terms such as button 3e, guide cylinder 3f, tube connector 4, guide pad 5, contact site one 5a, contact site two 5b, gathering sill 5c morely, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present invention more easily; It all is contrary with spirit of the present invention being construed to any additional restriction to them.

Claims

1. foam gun; The foamer pressure tank that is used to be installed on the foam gun comprises the tank body (1) with feed nozzle; It is characterized in that; This foam gun comprises jet pipe (2) and is used to the small of the stock (3) that supplies the operator to grip; Have the connecting portion (3a) that is used for fixing tank body (1) on the said small of the stock (3), said jet pipe (2) the inner is positioned at that connecting portion (3a) is located and can be connected with the feed nozzle of tank body (1), and the small of the stock (3) is stretched out in said jet pipe (2) outer end; Have on the said small of the stock (3) through applying external force and can be out of shape the back and promote the opening structure that jet pipe (2) is inner and the feed nozzle of tank body (1) is opened, the above-mentioned opening structure of external force can automatically reset and the feed nozzle of tank body (1) is closed when stopping to apply.

2. a kind of foam gun according to claim 1; It is characterized in that; Described opening structure comprises trigger (3b) and Shape-changeable ring (3c); Said Shape-changeable ring (3c) ringwise and have elasticity, Shape-changeable ring (3c) is positioned between the trigger (3b) and the small of the stock (3), above-mentioned jet pipe (2) the inner is resisted against Shape-changeable ring (3c) and locates.

3. a kind of foam gun according to claim 2 is characterized in that, described jet pipe (2) is L-shaped, and above-mentioned Shape-changeable ring (3c) is resisted against the L shaped corner of jet pipe (2).

4. according to claim 1 or 2 or 3 described a kind of foam guns; It is characterized in that; This foam gun also comprises the tube connector (4) of a rigidity, and an end of tube connector (4) is connected with above-mentioned jet pipe (2) the inner, and the other end of tube connector (4) can be connected with the feed nozzle of tank body (1).

5. a kind of foam gun according to claim 4 is characterized in that, said tube connector (4) is L-shaped, and described jet pipe (2) is the vertical bar shape, and above-mentioned Shape-changeable ring (3c) is resisted against the L shaped corner of tube connector (4).

6. a kind of foam gun according to claim 4; It is characterized in that; Also have guide pad (5) between described Shape-changeable ring (3c) and the tube connector (4), have between the said guide pad (5) and the small of the stock (3) and can make the guide frame of guide pad (5) along the small of the stock (3) rectilinear translation.

7. a kind of foam gun according to claim 6; It is characterized in that; The bottom of described guide pad (5) has and is used for the contact site one (5a) that contacts with Shape-changeable ring (3c); Guide pad (5) top has and is used for the contact site two (5b) that contacts with tube connector (4); Above-mentioned guide frame is that gathering sill (5c) and the gib block (3d) on the small of the stock (3) and the gib block (3d) of guide pad (5) sidepiece is positioned at above-mentioned gathering sill (5c) and locates, and said contact site one (5a) is complementary with Shape-changeable ring (3c) outer shape, and said contact site two (5b) is complementary with the L shaped corner shape of tube connector (4).

8. according to claim 1 or 2 or 3 described a kind of foam guns; It is characterized in that; Described connecting portion (3a) is the threaded connection hole at the small of the stock (3) top; Have the ringwise button (3e) that protects on the described small of the stock (3), above-mentioned trigger (3b), Shape-changeable ring (3c) all are positioned at and protect button (3e).

9. a kind of foam gun according to claim 8; It is characterized in that; Described protecting has tubular guide cylinder (3f) on the button (3e), above-mentioned guide cylinder (3f) is enclosed within has confession jet pipe (2) along its radially micro-gap of moving between jet pipe (2) middle part and guide cylinder (3f) and the jet pipe (2).

10. a kind of foam gun according to claim 8 is characterized in that, describedly protects that button (3e), the small of the stock (3), Shape-changeable ring (3c) and trigger (3b) are plastic material and is integral structure.