Telescopic spray gun

Abstract

The utility model discloses a telescopic spray gun which comprises a spray gun body, a connecting sleeve is installed at the spraying end of the spray gun body, a telescopic joint pipe is installed on the side, back to the spray gun body, in the connecting sleeve, and the end, away from the connecting sleeve, of the telescopic joint pipe is connected with a horizontal spray pipe. And four atomizing nozzles are mounted on one side, back to the telescopic joint pipe, of the spray pipe at equal intervals. The spray gun has the beneficial effects that on one hand, the spray gun body can be conveniently folded and arranged by shrinking the telescopic joint pipe after spraying, and on the other hand, multi-hole spraying can be realized under the action of the spray pipe and the atomizing spray head, so that the spraying area of the spray gun in unit time during spraying is effectively increased; therefore, the spraying efficiency of the spray gun is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of spray guns for coating spraying, in particular to a telescopic spray gun. Background Art

[0002] It is a well-known process to spray materials onto a desired area under pressure through a spray gun or a handle. In a machine shop, in order to ensure convenient spraying of the paint onto the mechanical equipment in the workshop, it is necessary to use a spray gun to guide the paint onto the mechanical equipment.

[0003] At present, the spray guns used for spraying mechanical equipment in machining workshops are mainly composed of a hand-held spray gun body and a single-port extended nozzle fixed at the outlet end of the spray gun body. Although the spray gun of this structure can realize the convenient spraying of paint onto the mechanical equipment, on the one hand, due to the fixed structure of the extended nozzle, it is inconvenient to fold the spray gun after spraying. On the other hand, since the spray gun of the above structure only sprays through a single port during the spraying process, the spraying area per unit time is small, resulting in a relatively low spraying efficiency of the spray gun. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] The technical problem to be solved by the utility model is to provide a telescopic spray gun which can realize convenient folding of the extended nozzle after spraying and can improve the spraying efficiency by increasing the spraying area per unit time in response to the current status of the prior art.

[0006] (II) Technical solution

[0007] The utility model is achieved through the following technical scheme: the utility model proposes a telescopic spray gun, comprising a spray gun body, a connecting sleeve is installed on the spraying end of the spray gun body, a telescopic joint tube is installed on the side of the connecting sleeve facing away from the spray gun body, a horizontal nozzle is connected to the end of the telescopic joint tube away from the connecting sleeve, and four atomizing nozzles are installed at equal intervals on the side of the nozzle facing away from the telescopic joint tube.

[0008] Furthermore, the telescopic joint tube is composed of no less than three telescopic tubes, wherein each telescopic tube is formed with a limiting shoulder, an outer side of the limiting shoulder is provided with an external thread, and the connecting sleeve and each telescopic tube have an internal thread at a portion matching the external thread.

[0009] By adopting the above technical solution, the limiting shoulder can ensure that the telescopic tubes of the telescopic joint tube will not be pulled away from each other, and at the same time, the design of the external thread and the internal thread can ensure that the two adjacent telescopic tubes are screwed together and limited after being pulled out.

[0010] Furthermore, a sliding hole is provided in the connecting sleeve and each telescopic tube on a side facing away from the spray gun body, and the limiting shoulder is an annular structure.

[0011] By adopting the above technical solution, the sliding hole can ensure the convenient sliding and pulling of each telescopic tube in the telescopic joint tube.

[0012] Furthermore, the connecting sleeve is provided with a slot on the side facing the spray gun body for inserting into the spray gun body shell, and three T-shaped locking bolts are installed in a ring shape on the outer wall of the connecting sleeve. The connecting sleeve is also provided with a clamping hole in the slot for inserting the nozzle of the spray gun body.

[0013] By adopting the above technical solution, after the slot is inserted into the outer shell of the spray gun body, the connecting sleeve can be reliably fixed on the spray gun body by tightening the T-shaped locking bolt.

[0014] Furthermore, an outer tube connected to an external paint delivery pipeline is installed at the bottom end of the spray gun body, and the spray gun body is a 7-shaped structure.

[0015] By adopting the above technical solution, the outer tube section can ensure that the external paint can be smoothly transported to the spray gun body, so as to ensure convenient spraying of mechanical equipment in a machining workshop.

[0016] Furthermore, the spraying end of the telescopic joint tube is connected to the nozzle, and the spraying end of the telescopic joint tube is welded to the nozzle.

[0017] By adopting the above technical solution, the delivered paint can be conveniently guided into the nozzle under the action of the telescopic joint tube.

[0018] Furthermore, the atomizing nozzle is welded to the nozzle pipe, and the side of the atomizing nozzle facing away from the nozzle pipe is a porous structure.

[0019] By adopting the above technical solution, after the paint is transported into the spray pipe, it will be sprayed onto the surface of the mechanical equipment through the atomizing nozzle, thereby completing the spraying process of the mechanical equipment in the machining workshop.

[0020] (III) Beneficial effects

[0021] Compared with the prior art, the utility model has the following beneficial effects:

[0022] In order to solve the problem that the spray guns currently used for spraying mechanical equipment in machining workshops are mainly composed of a one-handed spray gun body and a single-port extended nozzle fixed at the outlet end of the spray gun body, although the spray gun of this structure can realize convenient spraying of paint onto mechanical equipment, on the one hand, due to the fixed structure of the extended nozzle, it is inconvenient to fold up the spray gun after spraying, and on the other hand, since the spray gun of the above structure only sprays through a single port during the spraying process, the spraying area per unit time is small, resulting in a relatively low spraying efficiency of the spray gun. On the one hand, the utility model can realize the convenient folding of the spray gun body by contracting the telescopic joint tube after spraying, and on the other hand, it can realize multi-hole spraying under the action of the nozzle and the atomizing nozzle, effectively increasing the spraying area of ​​the spray gun per unit time during spraying, thereby improving the spraying efficiency of the spray gun. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of a telescopic spray gun described in the utility model;

[0024] Figure 2 It is a main cross-sectional view of a telescopic joint pipe and a connecting sleeve in a telescopic spray gun described in the utility model;

[0025] Figure 3 The utility model is a telescopic spray gun Figure 2 Enlarged view of point A in the middle.

[0026] The following are the descriptions of the reference numerals:

[0027] 1. Nozzle; 2. Atomizing nozzle; 3. T-lock bolt; 4. External joint tube; 5. Spray gun body; 6. Connecting sleeve; 7. Telescopic joint tube; 8. Clamp hole; 9. Slot; 10. Internal thread; 11. Limiting shoulder; 12. Sliding hole; 13. External thread. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0029] like Figure 1-Figure 3As shown, a telescopic spray gun in this embodiment includes a spray gun body 5, a connecting sleeve 6 is installed at the spraying end of the spray gun body 5, a telescopic joint tube 7 is installed on the side of the connecting sleeve 6 facing away from the spray gun body 5, and a horizontal nozzle 1 is connected to the end of the telescopic joint tube 7 away from the connecting sleeve 6. Four atomizing nozzles 2 are installed at equal intervals on the side of the nozzle 1 facing away from the telescopic joint tube 7. Under the action of the telescopic joint tube 7, the delivered paint can be conveniently guided into the nozzle 1. After the paint is delivered into the nozzle 1, it will be sprayed onto the surface of the mechanical equipment through the atomizing nozzle 2, thereby completing the spraying processing of the mechanical equipment in the machining workshop. At the same time, since the telescopic joint tube 7 can be conveniently retracted after use, it is convenient to store the spray gun after use.

[0030] like Figure 1-Figure 3 As shown, in this embodiment, the telescopic joint tube 7 is composed of no less than three telescopic tubes, wherein a limiting shoulder 11 is formed in each telescopic tube, an external thread 13 is provided on the outside of the limiting shoulder 11, the connecting sleeve 6 and each telescopic tube are provided with an internal thread 10 at the matching position with the external thread 13, the limiting shoulder 11 can ensure that the telescopic tubes of the telescopic joint tube 7 will not be pulled away from each other, and at the same time, the design of the external thread 13 and the internal thread 10 can ensure that the two adjacent telescopic tubes are screwed together and limited after being pulled out, the connecting sleeve 6 and each telescopic tube are provided with a sliding hole 12 on the side facing away from the spray gun body 5, the limiting shoulder 11 is an annular structure, and the sliding hole 12 can ensure that each telescopic tube in the telescopic joint tube 7 The tube can be conveniently slid and pulled, a slot 9 is provided on the side of the connecting sleeve 6 facing the spray gun body 5 for inserting into the outer shell of the spray gun body 5, and three T-lock bolts 3 are also installed in a ring shape on the outer wall of the connecting sleeve 6. A card hole 8 for inserting the nozzle of the spray gun body 5 is also provided in the connecting sleeve 6 in the slot 9. When the slot 9 is inserted into the outer shell of the spray gun body 5, the T-lock bolt 3 is tightened to achieve reliable fixation of the connecting sleeve 6 on the spray gun body 5. An outer section pipe connected to an external paint delivery pipeline is also installed at the bottom of the spray gun body 5. The spray gun body 5 is a 7-shaped structure. The outer section pipe can ensure that the external paint can be smoothly delivered to the spray gun body 5, so as to ensure convenient spraying of mechanical equipment in the machining workshop.

[0031] like Figure 1-Figure 3 As shown, in this embodiment, the spraying end of the telescopic joint tube 7 is connected to the nozzle 1, and the spraying end of the telescopic joint tube 7 is welded to the nozzle 1, the atomizing nozzle 2 is welded to the nozzle 1, and the side of the atomizing nozzle 2 facing away from the nozzle 1 is a porous structure.

[0032] The specific implementation process of this embodiment is as follows: when in use, first fix the connecting sleeve 6 on the spray gun body 5 through the T-lock bolt 3, and connect the external pipe 4 to the external paint delivery pipeline, then open the telescopic pipe, and realize the limit between two adjacent telescopic pipes under the cooperation of the external thread 13 and the internal thread 10, then just hold the spray gun body 5, and aim the atomizing nozzle 2 at the mechanical equipment to be sprayed, and then you can start spraying the mechanical equipment. After spraying, the telescopic joint pipe 7 is contracted to realize the convenient collection of the spray gun body, and at the same time, multi-hole spraying is realized under the action of the nozzle 1 and the atomizing nozzle 2, which effectively increases the spraying area of ​​the spray gun per unit time during spraying, thereby improving the spraying efficiency of the spray gun.

[0033] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A telescopic spray gun, characterized in that: The invention comprises a spray gun body (5), wherein a connecting sleeve (6) is installed at the spraying end of the spray gun body (5), a telescopic joint tube (7) is installed in the connecting sleeve (6) on the side facing away from the spray gun body (5), a horizontal nozzle (1) is connected to the end of the telescopic joint tube (7) away from the connecting sleeve (6), and four atomizing nozzles (2) are installed at equal intervals on the side of the nozzle (1) facing away from the telescopic joint tube (7).

2. A telescopic spray gun according to claim 1, characterized in that: The telescopic joint tube (7) is composed of no less than three telescopic tubes, wherein each telescopic tube is formed with a limit shoulder (11), the outer side of the limit shoulder (11) is provided with an external thread (13), and the connecting sleeve (6) and the parts of each telescopic tube that cooperate with the external thread (13) are provided with an internal thread (10).

3. A telescopic spray gun according to claim 2, characterized in that: The connecting sleeve (6) and each telescopic tube are provided with a sliding hole (12) on the side facing away from the spray gun body (5), and the limiting shoulder (11) is an annular structure.

4. A telescopic spray gun according to claim 1, characterized in that: The connecting sleeve (6) is provided with a slot (9) on the side facing the spray gun body (5) for being inserted into the outer shell of the spray gun body (5), three T-shaped locking bolts (3) are also installed in a ring shape on the outer wall of the connecting sleeve (6), and a clamping hole (8) for inserting the nozzle of the spray gun body (5) is also provided in the connecting sleeve (6) at the slot (9).

5. A telescopic spray gun according to claim 1, characterized in that: An outer tube connected to an external paint delivery pipeline is also installed at the bottom end of the spray gun body (5); the spray gun body (5) is a 7-shaped structure.

6. A telescopic spray gun according to claim 1, characterized in that: The spraying end of the telescopic joint tube (7) is in communication with the nozzle (1), and the spraying end of the telescopic joint tube (7) is welded to the nozzle (1).

7. A telescopic spray gun according to claim 1, characterized in that: The atomizing nozzle (2) is welded to the nozzle pipe (1), and the side of the atomizing nozzle (2) facing away from the nozzle pipe (1) is a porous structure.

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