Glue gun for polyurethane foam joint mixture

Abstract

The utility model relates to the technical field of glue guns, in particular to a glue gun for a polyurethane foam joint mixture, which comprises a gun barrel, an adjusting component arranged inside the gun barrel and a gun handle arranged below the gun barrel, the two conveying pipes are arranged in parallel and fixed through a transverse rod of a T-shaped frame, a first cavity is formed in a vertical rod of the T-shaped frame, second cavities are formed in the first ends of the conveying pipes, and the gun barrel is connected with the upper portion of the vertical rod through a supporting frame. The two glue injection assemblies are obliquely arranged on the glue injection openings of the conveying pipe in a one-to-one correspondence mode. A supporting rod arranged at one end of the piston rod extends into the gun barrel and is connected with the adjusting assembly, and the other end of the piston rod is divided into three movable end rods which are arranged in parallel and are arranged in the first cavity and the two second cavities in a telescopic mode respectively. And the middle part of the trigger is movably connected with the piston rod and is used for driving the piston rod to slide. The device has the advantages of being provided with the mixer, convenient to use and the like.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of glue gun, concretely is a kind of polyurethane foam joint filling agent glue gun. BACKGROUND

[0002] Polyurethane foaming glue is a single component, moisture curing, multipurpose polyurethane foaming filling elastic sealing material. The material is used in two ways of gun type or pipe type, and the gun type needs to be used with special polyurethane foaming gun, and the pipe type is provided with disposable rubber tube. During construction, the aerosol glue is sprayed to the part to be constructed by matching glue gun or manual spray pipe, and the short-term completion forming, foaming, bonding and sealing process, and the cured foam elastomer has excellent properties such as bonding, waterproof, heat expansion and cold contraction resistance, heat insulation, sound insulation and even flame retardant, so it is widely used.

[0003] At present, the existing polyurethane foam joint filling agent construction glue gun mostly only has one glue injection mechanism, and can only spray polyurethane foam joint filling agent. Because the drying time of polyurethane foam joint filling agent is long, it needs to wait for a long time. In order to improve the drying effect of polyurethane foam joint filling agent, polyurethane foam joint filling agent can be mixed with drying agent. Since most polyurethane foam joint filling agent glue guns on the market do not have a mixer, they do not have the function of mixing and spraying polyurethane foam joint filling agent and drying agent. Therefore, it is urgent to design a polyurethane foam joint filling agent glue gun to solve the above problems. UTILITY MODEL CONTENTS

[0004] Therefore, the utility model provides a kind of polyurethane foam joint filling agent glue gun, to solve the technical problem raised in the above background art.

[0005] To achieve the above purpose, the utility model is realized by the following technical scheme:

[0006] A kind of polyurethane foam joint filling agent glue gun, comprising:

[0007] Gun barrel, its inside is provided with adjusting assembly, and the lower part is provided with gun handle;

[0008] Conveying pipe, two are parallelly arranged, and are fixed by the horizontal bar of T-shaped frame between the two, the vertical rod of T-shaped frame is provided with first cavity, the first end of conveying pipe is provided with second cavity, the gun barrel is connected with the vertical rod upper portion by support frame;

[0009] Glue injection assembly, two have, and are correspondingly inclinedly arranged on the glue injection port of conveying pipe;

[0010] Piston rod, the branch of one end setting rod extends into the gun barrel, and is connected with the adjusting assembly, the other end is divided into three parallelly arranged movable end rods, and is respectively telescopically arranged in the first cavity and two second cavities;

[0011] A trigger, the upper end of which is connected with the support frame rotating shaft, and the middle part of which is movably connected with the piston rod, for driving the piston rod to slide;

[0012] A Y-shaped pipe, two branch pipes of which are connected with two second ends of the conveying pipes respectively, and free ends of glue outlet pipes arranged at glue outlet ends of the two branch pipes are detachably provided with spray heads.

[0013] As a preferred technical scheme of the utility model, the adjusting assembly comprises:

[0014] A spring is sleeved on the supporting rod, a boss arranged at a connecting position of the piston rod and the supporting rod is located in the barrel, and a first end of the spring is abutted against the boss;

[0015] An adjusting bolt is arranged, a first end of the adjusting bolt is inserted into an outer end of the barrel and is screwed with the outer end, the supporting rod is arranged in a hollow cavity of the adjusting bolt in a telescopic mode, and a second end of the spring is abutted against the first end of the adjusting bolt.

[0016] As a preferred technical scheme of the utility model, the piston rod is arranged through a long slot hole in the middle part of the trigger, and a side of the trigger close to the gun handle is abutted against a stop ring on the piston rod.

[0017] As a preferred technical scheme of the utility model, a free end of the movable end rod is provided with a rubber plug.

[0018] As a preferred technical scheme of the utility model, the two branch pipes of the Y-shaped pipe are detachably connected with the corresponding conveying pipes through nuts.

[0019] As a preferred technical scheme of the utility model, a glue mixer is arranged in the glue outlet pipe, for mixing the glue.

[0020] As a preferred technical scheme of the utility model, the lower end of the trigger is arc-shaped and is curved away from the gun handle.

[0021] As a preferred technical scheme of the utility model, anti-skid stripes are arranged on the gun handle and the second end of the adjusting bolt.

[0022] Thanks to the above technical scheme, the utility model has the following technical progress:

[0023] The utility model provides a kind of glue gun for polyurethane foam caulking agent, and operator is connected with external glue storage tank by glue injection assembly, for glue injection to conveying pipe, then manually trigger trigger, trigger drives piston rod to slide and retract, because piston rod is provided with rubber plug in second cavity, can form negative pressure in conveying pipe, trigger can be retracted to glue body is pressed into conveying pipe, and is ejected by glue outlet pipe, loosen trigger to make spring rebound drive piston rod reset and stop injection.

[0024] The glue gun can inject two different glue mixtures at the same time, and can be used for mixing glue and drying agent, etc., wherein the glue outlet pipe of the Y-shaped pipe is provided with a glue mixer, which can automatically mix the flowing glue without external driving force, and only by using the fluid itself passing through the glue mixer, continuous mixing, cutting and recombination are carried out, so that two or more materials are converted into a mixed liquid with uniform mixing, the purpose of uniform mixing and preventing glue blocking is achieved, the glue outlet rate of the glue gun is greatly improved, the glue injection demand is met, and the glue gun is worth promoting.

[0025] The adjusting assembly is used for manually adjusting the bolt, so that the length of the bolt inserted into the barrel changes, the pressing length of the piston rod is adjusted, the movement distance of the piston rod and the rubber plug is adjusted, the rubber plug can half block the glue injection port when the trigger is pulled, and the injection rate of the glue gun is adjusted. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to more clearly illustrate the technical scheme in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0027] Figure 1 It is the overall structure schematic diagram of the glue gun of the present application.

[0028] Figure 2 It is the overall structure schematic diagram of the glue gun of the present application. Figure 1 It is the local enlarged structure schematic diagram of the A place.

[0029] Figure 3 It is the front view structure schematic diagram of the glue gun of the present application.

[0030] Figure 4 It is the local enlarged structure schematic diagram of the B place. Figure 3

[0031] It is the local enlarged structure schematic diagram of the C place. Figure 5 Figure 3

[0032] Figure 6 It is the structure schematic diagram of the T-shaped frame of the present application.

[0033] Explanation of reference signs:

[0034] ​​10, gun barrel; 11, gun handle; 12, T-shaped frame; 121, first cavity; 13, delivery pipe; 131, second cavity; 132, glue injection port; 14, support frame; 15, glue injection assembly; 16, piston rod; 161, support rod; 162, boss; 163, movable end rod; 164, check ring; 17, trigger; 171, long slot hole; 18, Y-shaped pipe; 181, branch pipe; 182, glue outlet pipe; 19, nozzle; 20, adjusting assembly; 21, spring; 22, adjusting bolt; 30, rubber plug; 31, nut; 32, glue mixer. DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, specific details such as specific system structures, technologies and the like are given in the following description for the purpose of explanation rather than for the purpose of limitation, so that the present application can be thoroughly understood. However, it should be clear to those skilled in the art that the present application can also be implemented in other embodiments without these specific details. In other cases, detailed descriptions of well-known systems, devices, circuits and methods are omitted to avoid unnecessary details that hinder the description of the present application.

[0036] The glue gun for polyurethane foam joint filling agent provided by the present application comprises a gun barrel, a delivery pipe, a glue injection assembly, a piston rod, a trigger and a Y-shaped pipe. Figure 1 to the drawings Figure 6 It can be known that the glue gun comprises a gun barrel 10, a delivery pipe 13, a glue injection assembly 15, a piston rod 16, a trigger 17 and a Y-shaped pipe 18, wherein the gun barrel 10 is internally provided with an adjusting assembly 20, and a gun handle 11 is arranged below the gun barrel 10, and specifically, the gun handle 11 is arranged to be inclined, thereby facilitating manual operation; the delivery pipe 13 is arranged in parallel with two delivery pipes, and the two delivery pipes are fixed through a horizontal rod of a T-shaped frame 12, a first cavity 121 is arranged in a vertical rod of the T-shaped frame 12, and a second cavity 131 is arranged at a first end of the delivery pipe 13, the gun barrel 10 and the T-shaped frame 12 are connected through a support frame 14 arranged above a vertical rod of the T-shaped frame 12, thereby fixing the gun barrel 10 and the delivery pipe 13 and improving stability of the glue gun; specifically, the T-shaped frame 12 is arranged between the two delivery pipes 13, and the horizontal rod is perpendicular to the delivery pipe 13, and the vertical rod is parallel to the delivery pipe 13. The glue injection assembly 15 is arranged in pairs and arranged to be inclined on the glue injection ports 132 of the delivery pipes 13, and specifically, the glue injection assembly 15 is arranged above the delivery pipe 13, and the glue injection assembly 15 is a prior art, which will not be described here.

[0037] According to the drawings Figure 3It can be seen that one end of the piston rod 16 is provided with a supporting rod 161 extending into the barrel 10 and connected with the adjusting assembly 20, and the other end is divided into three parallel movable end rods 163 which are respectively telescopically arranged in the first cavity 121 and the two second cavities 131, and the movable end rods 163 are matched with the corresponding cavities. The adjusting assembly 20 is used for adjusting the telescopic length of the piston rod 16, and then adjusting the stroke of the piston, so as to adjust the injection rate of the glue; the upper end of the trigger 17 is connected with the rotating shaft of the support frame 14, the middle part is connected with the piston rod 16, and is used for driving the piston rod 16 to slide; the two branch pipes 181 of the Y-shaped pipe 18 are connected with the second ends of the two delivery pipes 13 one by one, and the free end of the glue outlet pipe 182 provided on the glue outlet end of the two branch pipes 181 is detachably provided with the spray head 19.

[0038] Further, referring to the drawings attached to the specification Figure 5 It can be seen that the adjusting assembly 20 comprises a spring 21 and an adjusting bolt 22, wherein the spring 21 is sleeved on the supporting rod 161, the boss 162 provided at the connecting position of the piston rod 16 and the supporting rod 161 is located in the barrel 10, and the first end of the spring 21 abuts against the boss 162; the first end of the adjusting bolt 22 extends out of the outer end of the barrel 10 and is threadedly connected therewith, the supporting rod 161 is telescopically arranged in the hollow cavity of the adjusting bolt 22, and the second end of the spring 21 abuts against the first end of the adjusting bolt 22. The second end of the adjusting bolt 22 is located outside the barrel 10, and can be manually rotated to adjust the length of the adjusting bolt 22 extending into the barrel 10.

[0039] In use, the length of the adjusting bolt 22 extending into the barrel 10 is changed, the compression length of the spring 21 is adjusted, the pressing length of the piston rod 16 is adjusted, and then the movement distance of the piston rod 16 and the rubber plug 30 is adjusted, so that the rubber plug 30 can half block the glue outlet 132 when the trigger 17 is pulled, and then the injection rate of the glue gun is adjusted to meet different working conditions.

[0040] Further, referring to the drawings attached to the specification Figure 2 It can be seen that the middle part of the piston rod 16 penetrates through the long slot hole 171 of the trigger 17, and the side of the trigger 17 close to the handle 11 abuts against the stop ring 164 on the piston rod 16. Among them, the long slot hole 171 provides the working space of the piston rod 16, and the artificial cocking of the trigger 17 can press the piston rod 16 through the stop ring 164 to realize the injection of the glue.

[0041] Further, referring to the drawings attached to the specification Figure 1 It can be seen that the free end of the movable end rod 163 is provided with the rubber plug 30, which is used for improving the sealing performance of the delivery pipe 13.

[0042] Further, referring to the drawings attached to the specification Figure 1 It can be seen that the two branch pipes 181 of the Y-shaped pipe 18 are detachably connected with the corresponding delivery pipes 13 through the nuts 31, so as to facilitate replacement and maintenance.

[0043] Further, referring to the drawings attached in the description Figure 3 It can be known that the glue outlet pipe 182 is provided with a glue mixer 32 for mixing glue. The glue mixer 32 is composed of a series of spiral blades arranged in sequence and perpendicularly to each other in the glue outlet pipe 182, and can automatically mix the flowing glue without external driving force.

[0044] Further, referring to the drawings attached in the description Figure 1 It can be known that the lower end of the trigger 17 is arc-shaped and curved away from the gun handle 11, so as to facilitate manual operation.

[0045] Further, referring to the drawings attached in the description Figure 1 It can be known that the gun handle 11 and the second end of the adjusting bolt 22 are provided with anti-skid stripes.

[0046] It should be noted that, in the present patent application, the relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment, without more limitation, by the statement "including a limited element, does not exclude the existence of another same element in the process, method, article or equipment including the element".

[0047] The above embodiments are only used to illustrate the technical solutions of the present application, but not to limit it. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features. These modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application, and should be included in the protection scope of the present application.

Claims

1. A polyurethane foam caulk gun characterized by, The utility model provides a glue injection device, which comprises a gun barrel, a delivery pipe, an injection assembly, a piston rod and a trigger. The gun barrel is internally provided with an adjusting assembly and is provided with a gun handle at the bottom. The delivery pipe is provided with two parallel delivery pipes, which are fixed through the horizontal rod of a T-shaped frame. The vertical rod of the T-shaped frame is internally provided with a first cavity. The first end of the delivery pipe is provided with a second cavity. The gun barrel is connected with the vertical rod through a support frame. The injection assembly is provided with two injection assemblies, which are correspondingly arranged on the injection port of the delivery pipe.

2. The polyurethane foam caulk gun of claim 1, wherein, The piston rod is provided with a support rod at one end, which extends into the gun barrel and is connected with the adjusting assembly. The other end of the piston rod is divided into three parallel movable end rods, which are telescopically arranged in the first cavity and the two second cavities. The trigger is pivotally connected with the support frame at the upper end and is movably connected with the piston rod at the middle part.

3. The polyurethane foam caulk gun of claim 1, wherein, The trigger is used for driving the piston rod to slide.

4. The polyurethane foam caulk gun of claim 2, wherein the polyurethane foam caulk gun is a one-shot gun. The Y-shaped pipe is provided with two branch pipes, which are correspondingly connected with the second end of the two delivery pipes.

5. The polyurethane foam caulk gun of claim 1, wherein, The free end of the glue outlet pipe arranged at the glue outlet end of the two branch pipes is detachably provided with a spray head.

6. A polyurethane foam caulk gun according to claim 5, wherein The adjusting assembly comprises a spring, which is sleeved on the support rod.

7. The polyurethane foam caulk gun of claim 2, wherein the polyurethane foam caulk gun is a one-component polyurethane foam gun. The convex platform arranged at the connection position of the piston rod and the support rod is located in the gun barrel.

8. A polyurethane foam caulk gun according to any one of claims 1 to 7, wherein, The first end of the adjusting screw is inserted into the outer end of the gun barrel and is threadedly connected with the same. The support rod is telescopically arranged in the hollow cavity of the adjusting screw. The second end of the spring is abutted with the first end of the adjusting screw. The middle part of the piston rod penetrates through the long slot hole of the trigger. The side of the trigger close to the gun handle is abutted with the stop ring on the piston rod. The free end of the movable end rod is provided with a rubber plug. The two branch pipes of the Y-shaped pipe are detachably connected with the corresponding delivery pipe through a nut. The glue outlet pipe is internally provided with a glue mixer, which is used for mixing glue. The lower end of the trigger is arc-shaped and is curved away from the gun handle. The gun handle and the second end of the adjusting screw are provided with anti-slip stripes. The utility model provides a glue injection device, which comprises a gun barrel, a delivery pipe, an injection assembly, a piston rod and a trigger.

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