Dust blowing gun

Abstract

The utility model relates to the technical field of dust blowing guns, in particular to a dust blowing gun which comprises a gun handle, a control valve body is fixedly connected to the top of the gun handle, a rotating connector is fixedly connected to the center of one end of the control valve body, and a spraying pipe is fixedly connected to the rotating side of the rotating connector. And one end, far away from the rotating joint, of the spraying pipe is bent towards one side. The utility model has the advantages that the spraying pipe can rotate through the rotating joint, and the direction of the outlet of the bent spraying pipe can be adjusted along with the rotation of the spraying pipe, so that the spraying pipe can be rotated according to the actual space condition of the operation position, and the gun handle and the control valve body can extend into the spraying pipe; the spraying direction can be adjusted without rotating the air pipe, practicability is improved, the clamping pin is pushed through the compression spring to clamp the fluted disc, rotation of the spraying pipe is limited, the spraying angle is fixed, random rotation of the spraying pipe is prevented, and the clamping pin can be pulled open through the handle so that unlocking can be conveniently conducted.

Description

Technical Field

[0001] The utility model relates to the technical field of dust blowing guns, in particular to a dust blowing gun. Background Art

[0002] During daily use, dust will accumulate on the surface of electromechanical equipment. When the electromechanical equipment is inspected and repaired, the dust needs to be blown away for easy inspection. At present, most of them are equipped with air guns on the gas lines of factories to blow away the dust through high-pressure airflow. A dust blowing gun is disclosed in Chinese utility model CN219169110U. The dust blowing gun increases the bending angle of the airway in the inner cavity of the gun body through the inclination of the gun body. When the gas flows, the larger the angle, the smaller the resistance of the gas flow is, so that the gas can be ejected from the gun head more smoothly, and the amount of gas will also increase. However, the dust blowing gun still has the following problems in use:

[0003] The nozzle of the dust blow gun extends vertically forward, but some corners of the electromechanical equipment are located in special places and there is insufficient space to accommodate the movement of the gun body, which makes it difficult to align the nozzle. In addition, the air pipe has a certain toughness, and there is a large resistance when rotating the nozzle of the dust blow gun, which causes certain inconveniences. Utility Model Content

[0004] The purpose of the present invention is to solve at least one of the above technical deficiencies.

[0005] Therefore, one purpose of the utility model is to provide a dust blowing gun to solve the problems mentioned in the background technology and overcome the deficiencies in the prior art.

[0006] In order to achieve the above-mentioned purpose, an embodiment of one aspect of the utility model provides a dust blowing gun, including a gun handle, a control valve body is fixedly connected to the top of the gun handle, a rotating joint is fixedly connected to the center of one end of the control valve body, a spray pipe is fixedly connected to the rotating side of the rotating joint, the spray pipe is bent to one side at one end away from the rotating joint, a fixed sleeve is fixedly connected to the side of the outer wall of the spray pipe close to the rotating joint, a toothed disc is fixedly connected to one side of the outer wall of the fixed sleeve, a guide hole is opened on one side of the bottom of the control valve body shell, and the guide hole A guide groove is provided at the bottom, and a bayonet is slidably connected to one side of the inner wall of the guide hole, and a handle is fixedly connected to one side of the bottom surface of the bayonet, and the handle is slidably connected to the guide groove, and a clamping spring is arranged between the bayonet and the inner wall of the guide hole, and the end of the bayonet away from the clamping spring is engaged and clamped with the tooth groove of the toothed disk, and the ejection pipe is rotatably connected to the control valve body through a rotating joint, and an air intake channel is provided on the inner wall of the gun handle, the input end of the control valve body is connected to the air intake channel, and the output end of the control valve body is connected to the ejection pipe through a rotating joint.

[0007] Preferably, in any of the above schemes, a gas pipe joint is fixedly connected to the center of the bottom of the gun handle, and the gas pipe joint is communicated with the air inlet passage.

[0008] The technical effect achieved by adopting the above solution is: the air pipe of the compressed gas system in the field can be easily connected through the air pipe joint.

[0009] Preferably, any of the above schemes is that the valve core control end of the control valve body is fixedly connected with a pressing handle, and the pressing handle is located on one side of the gun handle. A return spring is fixedly connected between the top of one side of the pressing handle and the top of the gun handle, and the pressing handle pushes the valve core of the control valve body to close under the push of the return spring.

[0010] The technical effect achieved by adopting the above scheme is: by pressing the pressing handle, the control valve body can be opened, so that the air flow is ejected from the ejection pipe, and by releasing the pressing handle, it can be automatically closed.

[0011] Preferably, any of the above schemes is that the handle is perpendicular to the bayonet pin, and the handle passes through the bottom of the control valve body through the guide groove.

[0012] The technical effect achieved by adopting the above solution is that the unlocking operation can be easily achieved by pulling the latch through the handle.

[0013] Preferably, any of the above schemes has a diameter of the compression spring greater than a width of the guide slot, a length of the compression spring after reset matches the depth of the inner wall of the guide hole, and a length of the latch is less than a length of the guide slot.

[0014] The technical effect achieved by adopting the above solution is that the bayonet pin can be completely pulled back into the guide hole, and the bayonet pin can be completely pushed out by the compression spring.

[0015] Compared with the prior art, the advantages and beneficial effects of the utility model are:

[0016] 1. The dust blowing gun can rotate the spray pipe by rotating the joint, and the outlet direction of the curved spray pipe can be adjusted with the rotation of the spray pipe. Then, the spray pipe can be rotated according to the actual space situation of the working position, so that the gun handle and the control valve body can be inserted, and the spray direction can be adjusted without rotating the air pipe, thereby improving practicality.

[0017] 2. The dust blowing gun pushes the bayonet to clamp the toothed disc through the compression spring, thereby limiting the rotation of the spray pipe, fixing the spray angle and preventing it from rotating at will, and the bayonet can be pulled open by the handle for easy unlocking. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the utility model;

[0019] Figure 2 It is a side view structural schematic diagram of the utility model;

[0020] Figure 3 It is a schematic diagram of the internal structure of the utility model.

[0021] In the figure: 1-gun handle, 2-control valve body, 3-air pipe joint, 4-rotating joint, 5-spray pipe, 6-fixing sleeve, 7-toothed disc, 8-pressing handle, 9-bayonet, 10-handle, 11-reset spring, 12-guide hole, 13-guide groove, 14-compression spring. DETAILED DESCRIPTION

[0022] The present invention is further described below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following description.

[0023] Embodiment 1: Figures 1 to 3 As shown, a dust blowing gun comprises a gun handle 1, a control valve body 2 is fixedly connected to the top of the gun handle 1, a rotating joint 4 is fixedly connected to the center of one end of the control valve body 2, a spray pipe 5 is fixedly connected to the rotating side of the rotating joint 4, the spray pipe 5 is bent to one side at one end away from the rotating joint 4, a fixed sleeve 6 is fixedly connected to the side of the outer wall of the spray pipe 5 close to the rotating joint 4, a toothed disc 7 is fixedly connected to one side of the outer wall of the fixed sleeve 6, a guide hole 12 is opened on one side of the bottom of the outer shell of the control valve body 2, and a guide through groove 13 is opened at the bottom of the guide hole 12, and a guide groove 13 is opened at the bottom of the guide hole 12. A bayonet pin 9 is slidably connected to one side of the inner wall of the hole 12, a handle 10 is fixedly connected to one side of the bottom surface of the bayonet pin 9, the handle 10 is slidably connected to the guide groove 13, a clamping spring 14 is arranged between the bayonet pin 9 and the inner wall of the guide hole 12, one end of the bayonet pin 9 away from the clamping spring 14 is meshed and clamped with the tooth groove of the toothed disk 7, the ejection pipe 5 is rotatably connected to the control valve body 2 through a rotating joint 4, an air intake channel is opened on the inner wall of the gun handle 1, the input end of the control valve body 2 is connected to the air intake channel, and the output end of the control valve body 2 is connected to the ejection pipe 5 through a rotating joint 4.

[0024] As an optional technical solution of the utility model, a gas pipe connector 3 is fixedly connected to the center of the bottom of the gun handle 1, and the gas pipe connector 3 is connected to the air inlet channel. The gas pipe connector 3 is convenient for connecting the gas pipe of the compressed gas system in the field.

[0025] As an optional technical solution of the utility model, a pressing handle 8 is fixedly connected to the valve core control end of the control valve body 2, and the pressing handle 8 is located on one side of the gun handle 1. A return spring 11 is fixedly connected between the top of one side of the pressing handle 8 and the top of the gun handle 1. The pressing handle 8 pushes the valve core of the control valve body 2 to close under the push of the return spring 11. By pressing the pressing handle 8, the control valve body 2 can be opened, so that the airflow is ejected from the ejection pipe 5. By releasing the pressing handle 8, it can be automatically closed.

[0026] As an optional technical solution of the utility model, the handle 10 is perpendicular to the bayonet 9, and the handle 10 passes through the bottom of the control valve body 2 through the guide groove 13, so that the bayonet 9 can be pulled to realize the unlocking operation.

[0027] As an optional technical solution of the present invention, the diameter of the clamping spring 14 is greater than the width of the guide groove 13, the length of the clamping spring 14 after resetting is adapted to the depth of the inner wall of the guide hole 12, and the length of the bayonet 9 is less than the length of the guide groove 13, so that the bayonet 9 can be completely pulled back into the guide hole 12, and the bayonet 9 can be completely pushed out by the clamping spring 14.

[0028] A dust blowing gun, the working principle is as follows:

[0029] 1) The ejection pipe 5 can be rotated by rotating the joint 4, and the outlet direction of the curved ejection pipe 5 can be adjusted along with the rotation of the ejection pipe 5;

[0030] 2) The clamping spring 14 pushes the clamping pin 9 to clamp the toothed disc 7, thereby limiting the rotation of the ejection pipe 5 and fixing the ejection angle;

[0031] 3) By pressing the pressing handle 8 , the control valve body 2 can be opened, so that the air flow is ejected from the ejection pipe 5 .

[0032] In summary, the dust blow gun can rotate the spray pipe 5 by rotating the joint 4, and the outlet direction of the curved spray pipe 5 can be adjusted as the spray pipe 5 rotates, and then the spray pipe 5 can be rotated according to the actual space conditions of the working position, so that the gun handle 1 and the control valve body 2 can be inserted, and the spray direction can be adjusted without rotating the air pipe, thereby improving practicality. The locking pin 9 is pushed by the compression spring 14 to clamp the toothed disc 7, thereby limiting the rotation of the spray pipe 5, fixing the spray angle, and preventing it from rotating at will, and the locking pin 9 can be pulled open by the handle 10 for easy unlocking.

[0033] Although the embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and cannot be understood as limiting the present invention. Those skilled in the art can change, modify, replace and modify the above embodiments within the scope of the present invention without departing from the principles and purpose of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A dust blowing gun, characterized in that: The invention comprises a gun handle (1), wherein a control valve body (2) is fixedly connected to the top of the gun handle (1), a rotating joint (4) is fixedly connected to the center of one end of the control valve body (2), a spray pipe (5) is fixedly connected to the rotating side of the rotating joint (4), an end of the spray pipe (5) away from the rotating joint (4) is bent to one side, a fixed sleeve (6) is fixedly connected to the side of the outer wall of the spray pipe (5) close to the rotating joint (4), a toothed disc (7) is fixedly connected to one side of the outer wall of the fixed sleeve (6), a guide hole (12) is opened on one side of the bottom of the outer shell of the control valve body (2), a guide through groove (13) is opened at the bottom of the guide hole (12), and the guide hole (12) is provided with a guide groove (13). A bayonet (9) is slidably connected to one side of the inner wall, a handle (10) is fixedly connected to one side of the bottom surface of the bayonet (9), the handle (10) is slidably connected to the guide groove (13), a clamping spring (14) is arranged between the bayonet (9) and the inner wall of the guide hole (12), the end of the bayonet (9) away from the clamping spring (14) is engaged and clamped with the tooth groove of the toothed disk (7), the ejection pipe (5) is rotatably connected to the control valve body (2) through a rotating joint (4), an air intake channel is opened on the inner wall of the gun handle (1), the input end of the control valve body (2) is connected to the air intake channel, and the output end of the control valve body (2) is connected to the ejection pipe (5) through a rotating joint (4).

2. A dust blowing gun according to claim 1, characterized in that: An air pipe joint (3) is fixedly connected to the center of the bottom of the gun handle (1), and the air pipe joint (3) is connected to the air intake passage.

3. A dust blowing gun according to claim 2, characterized in that: The valve core control end of the control valve body (2) is fixedly connected to a pressing handle (8), and the pressing handle (8) is located on one side of the gun handle (1). A return spring (11) is fixedly connected between the top of one side of the pressing handle (8) and the top of the gun handle (1). The pressing handle (8) pushes the valve core of the control valve body (2) to close under the push of the return spring (11).

4. A dust blowing gun according to claim 3, characterized in that: The handle (10) is perpendicular to the bayonet pin (9), and the handle (10) passes through the bottom of the control valve body (2) through the guide groove (13).

5. A dust blowing gun according to claim 4, characterized in that: The diameter of the compression spring (14) is greater than the width of the guide slot (13); the length of the compression spring (14) after reset is adapted to the depth of the inner wall of the guide hole (12); and the length of the latch (9) is less than the length of the guide slot (13).

Images