Spray gun for spraying polyurea

Abstract

The utility model belongs to the technical field of polyurea spraying equipment, and particularly relates to a polyurea spraying gun which comprises a spraying gun body, a nozzle is fixedly installed on the left side of the spraying gun body, a cover cap is arranged on the outer surface of the nozzle in a sleeved mode, a dredging assembly is arranged in the cover cap and matched with the nozzle, and the dredging assembly is connected with the spraying gun body. A fixing plate is fixedly connected to the left side of the bottom of the spray gun body, a connecting rod is arranged in the fixing plate through a reset assembly, a connecting plate is fixedly connected to the bottom of the cover cap, a penetrating type mounting hole is formed in the connecting plate, the bottom end of the connecting rod penetrates through the mounting hole, and the left end of the connecting rod is rotationally connected with the mounting hole through a bearing. According to the spray gun, the nozzle can be dredged through the dredging assembly arranged in the cover cap before spraying of the nozzle, the situation that follow-up spraying use is affected due to blockage in the nozzle is avoided, and therefore the spray gun can meet more use requirements and is high in practicability.

Description

Technical Field

[0001] The utility model relates to the technical field of polyurea spraying equipment, in particular to a polyurea spraying gun. Background Art

[0002] A polyurea spray gun is a device used to spray polyurea materials, typically powered by compressed air. Its design allows for rapid and even application of polyurea onto a variety of surfaces, including curved, inclined, and vertical surfaces. The gun operates by using compressed air to mix the polyurea materials (typically component A and component B) in a 1:1 ratio within the gun's mixing chamber before spraying them out.

[0003] However, most existing polyurea spray guns are inconvenient to unclog the nozzles before spraying, and the nozzles are generally exposed when not in use, which makes it inconvenient to unclog and protect the nozzles, and makes the spray guns less practical. Therefore, a polyurea spray gun is proposed to address the above problems. Utility Model Content

[0004] In order to make up for the shortcomings of the existing technology, the utility model solves the problem that most existing polyurea spray guns are inconvenient to dredge the nozzle before spraying, and the nozzle is generally exposed outside when not in use, which makes it inconvenient to dredge and protect the nozzle, and makes the practicality of the spray gun insufficient. The utility model proposes a polyurea spray gun.

[0005] The technical solution adopted by the utility model to solve the technical problem is as follows: the polyurea spray gun of the utility model comprises a spray gun body, a nozzle is fixedly installed on the left side of the spray gun body, and a cap is sleeved on the outer surface of the nozzle;

[0006] A dredging component is provided inside the cap, and the dredging component is adapted to the nozzle;

[0007] A fixing plate is fixedly connected to the left side of the bottom of the spray gun body, a connecting rod is provided inside the fixing plate through a reset assembly, a connecting plate is fixedly connected to the bottom of the cap, a through-type mounting hole is provided inside the connecting plate, the bottom end of the connecting rod passes through the mounting hole, and the left end of the connecting rod is rotatably connected to the mounting hole through a bearing.

[0008] Preferably, the cap is slidably connected to the nozzle.

[0009] Preferably, the unclogging component includes a threaded hole that is opened on the left side inside the cap and is through-type, a threaded rod is threadedly connected inside the threaded hole, and an unclogging needle is fixedly connected to the right end of the threaded rod, and the unclogging needle is adapted to the nozzle.

[0010] Preferably, the dredging needle is movably connected to the threaded hole.

[0011] Preferably, the left end of the threaded rod penetrates the left side of the cap, and a handle is fixedly connected.

[0012] Preferably, the reset assembly comprises an inner groove formed in the fixed plate, a through groove is formed in the inner groove on the left side, a sliding block is slidably connected in the inner groove, a spring is fixedly connected between the sliding block and the inner groove, and the right end of the connecting rod penetrates the through groove and is fixedly connected with the spring and the sliding block.

[0013] Preferably, the inner diameter of the through groove is smaller than the outer diameter of the sliding block.

[0014] The utility model discloses the beneficial effect lies in:

[0015] 1. The utility model discloses a dredging assembly arranged in the cap can dredge the nozzle before spraying, and avoids the influence of the subsequent spraying use caused by the existence of the nozzle internal blockage, thereby making the spray gun can satisfy more use demand, and the practicality is stronger.

[0016] 2. The utility model discloses a reset assembly can make the connecting plate move and be attached with the fixed plate, and make the cap storage, thereby through the cap can protect the nozzle when the spray gun is not used, and the cap can be stored below the spray gun body when the spray gun is used, and keep the position stable, also can not influence the spraying of the nozzle. DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for the ordinary skilled in the art, other drawings can also be obtained according to these drawings without paying the creative labor.

[0018] Figure 1 It is the schematic diagram of the perspective structure in the embodiment one;

[0019] Figure 2 It is the schematic diagram of the front view structure in the embodiment one;

[0020] Figure 3 It is the schematic diagram of the partial sectional structure in the embodiment one;

[0021] Figure 4 It is the schematic diagram of the Figure 3 Enlarged structure schematic diagram in A place in the embodiment one;

[0022] Figure 5 It is the schematic diagram of the Figure 3 Enlarged structure schematic diagram in B place in the embodiment one.

[0023] In the figure: 1, the spray gun body; 2, the cap; 3, the dredging assembly; 31, the handle; 32, the threaded rod; 33, the threaded hole; 34, the dredging needle; 4, the connecting plate; 5, the connecting rod; 6, the fixed plate; 7, the mounting hole; 8, the through slot; 9, the inner groove; 10, the spring; 11, the sliding block. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] Embodiment one

[0026] Please refer to Figures 1-5 As shown in the figure, a kind of polyurea spraying spray gun, including spray gun body 1, the left side of the spray gun body 1 is fixedly installed with nozzle, the outer surface of the nozzle is equipped with cap 2;

[0027] The cap 2 is provided with dredging assembly 3 inside, the dredging assembly 3 is adapted with nozzle;

[0028] The bottom left side of the spray gun body 1 is fixedly connected with fixed plate 6, the inside of the fixed plate 6 is provided with connecting rod 5 by reset component, the bottom of the cap 2 is fixedly connected with connecting plate 4, the inside of the connecting plate 4 is provided with the through type mounting hole 7, the bottom end of the connecting rod 5 penetrates mounting hole 7, and the left end of the connecting rod 5 is rotatably connected with mounting hole 7 by bearing;When working, first, the cap 2 at the nozzle of spray gun is removed from the outer surface of nozzle, and when removing, connecting plate 4 and connecting rod 5 are moved under the limit of reset component, and when the cap 2 is removed from the outer surface of nozzle, the rotating connection of connecting plate 4 and connecting rod 5 can make the cap 2 turn to the lower side of nozzle, so that the spraying of nozzle is not affected, and the reset component can make connecting plate 4 move and be attached with fixed plate 6, and make the cap 2 be stored, so that the cap 2 can protect nozzle when the spray gun is not used, and the cap 2 can be stored under the spray gun body 1 when the spray gun is used, and the position is stable, and the spraying of nozzle is not affected, and the cap 2 is provided with dredging assembly 3 inside, which can dredge nozzle before spraying, and avoid the existence of blockage in nozzle to affect subsequent spraying, so that the spray gun can meet more use requirements, and the practicality is stronger.

[0029] The cap 2 is slidably connected with nozzle;When working, the installation and dismounting of cap 2 and nozzle are facilitated.

[0030] The dredging assembly 3 includes a threaded hole 33 provided inside the cap 2 on the left side and penetrating, a threaded rod 32 is screwed in the threaded hole 33, a dredging needle 34 is fixedly connected to the right end of the threaded rod 32, and the dredging needle 34 is matched with the nozzle; in operation, the threaded connection of the threaded rod 32 and the threaded hole 33 can make the dredging needle 34 installed inside the cap 2 when not in use, and when the dredging needle 34 is used, the threaded rod 32 is rotated to make the threaded rod 32 rotate and move, and after the threaded rod 32 rotates and moves, the dredging needle 34 received inside the nozzle can be moved to the inside of the threaded hole 33, and the dredging needle 34 is moved again to make the dredging needle 34 move inside the nozzle for dredging, and when the dredging needle 34 is moved for dredging, the threaded rod 32 is not screwed with the threaded hole 33.

[0031] The dredging needle 34 is movably connected with the threaded hole 33; in operation, the movement of the dredging needle 34 for dredging is facilitated.

[0032] The left end of the threaded rod 32 penetrates the left side of the cap 2 and is fixedly connected with a handle 31; in operation, the handle 31 facilitates the rotation of the threaded rod 32, and the movement of the dredging needle 34 for dredging.

[0033] The reset assembly includes an inner groove 9 provided inside the fixed plate 6, a through groove 8 is provided inside the left side of the inner groove 9, a sliding block 11 is slidingly connected inside the inner groove 9, a spring 10 is fixedly connected between the sliding block 11 and the inner groove 9, and the right end of the connecting rod 5 penetrates the through groove 8 and is fixedly connected with the spring 10 and the sliding block 11; in operation, the sliding block 11 is slid by the connecting rod 5, the spring 10 is pressed after the sliding block 11 slides, and the rebound force of the spring 10 can make the sliding block 11, the connecting rod 5 and the connecting plate 4 and the cap 2 move, and when the cap 2 moves out of the outer surface of the nozzle and rotates to the lower side of the nozzle, the cap 2 can be stored by the rebound force of the spring 10, thereby facilitating the use of the cap 2.

[0034] Embodiment two

[0035] Please refer to Figures 4-5 As another embodiment of the present application, the diameter of the through groove 8 is smaller than the diameter of the sliding block 11, as shown in the comparative embodiment one; in operation, the sliding block 11 will not move out of the through groove 8 and be separated from the inner groove 9 when sliding inside the inner groove 9, so the through groove 8 can limit the sliding block 11.

[0036] In the description of the specification, the description of the terms "one embodiment", "an example", "a specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the utility model. In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0037] The basic principle, main features and advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed.

Claims

1. A polyurea spraying gun, comprising a gun body (1), a nozzle is fixedly installed on the left side of the gun body (1), and a cap (2) is sleeved on the outer surface of the nozzle; characterized in that A dredging assembly (3) is arranged in the cap (2), and the dredging assembly (3) is matched with the nozzle; A fixing plate (6) is fixedly connected to the bottom left side of the gun body (1), a connecting rod (5) is arranged in the fixing plate (6) through a reset assembly, a connecting plate (4) is fixedly connected to the bottom of the cap (2), a through-type mounting hole (7) is formed in the connecting plate (4), the bottom end of the connecting rod (5) penetrates the mounting hole (7), and the left end of the connecting rod (5) is rotatably connected to the mounting hole (7) through a bearing.

2. A polyurea spray gun according to claim 1, characterized in that: The cap (2) is slidably connected with the nozzle.

3. A polyurea spray gun according to claim 2, wherein: The dredging assembly (3) comprises a threaded hole (33) formed in the left side of the cap (2) and penetrating through the cap (2), a threaded rod (32) is threadedly connected to the threaded hole (33), a dredging needle (34) is fixedly connected to the right end of the threaded rod (32), and the dredging needle (34) is matched with the nozzle.

4. A polyurea spray gun according to claim 3, wherein: The dredging needle (34) is movably connected with the threaded hole (33).

5. A polyurea spray gun according to claim 4, wherein: The left end of the threaded rod (32) penetrates the left side of the cap (2) and is fixedly connected with a handle (31).

6. A polyurea spray gun according to claim 5, wherein: The reset assembly comprises an inner groove (9) formed in the fixing plate (6), a through groove (8) is formed in the left side of the inner groove (9), a sliding block (11) is slidably connected to the inner groove (9), a spring (10) is fixedly connected between the sliding block (11) and the inner groove (9), and the right end of the connecting rod (5) penetrates the through groove (8) and is fixedly connected with the spring (10) and the sliding block (11).

7. A polyurea spray gun according to claim 6, wherein: The inner diameter of the through groove (8) is smaller than the outer diameter of the sliding block (11).

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