Filling gun

Abstract

The utility model relates to the technical field of filling guns, and provides a filling gun, which comprises a clamping device, an expansion sleeve assembly and an air cylinder connected with the expansion sleeve assembly, the upper cylinder body comprises a filling head and a cylinder body; the cylinder body is provided with a filling valve, an air blowing valve and a clamping valve, the cylinder body is further provided with a filling pipeline, an air blowing pipeline and a clamping air channel, the filling pipeline is communicated with the filling head through the filling valve, the air blowing pipeline is communicated with the filling head through the air blowing valve, and the clamping air channel is communicated with the air cylinder through the clamping valve; and the controller is respectively connected with and controls the opening and closing of the filling valve, the blowing valve and the clamping valve. The filling gun overcomes the defect that residual liquid in a filling pipeline can drip around a filling port or in a cabin after filling of an existing filling gun is completed, residual liquid in a filling head can be discharged after filling is completed, poor quality caused by liquid dripping of a gun head is completely eradicated, and the filling gun has a very good using effect.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of filling gun, more particularly to a filling gun. BACKGROUND

[0002] The clamping type washing liquid filling gun is mainly applied to the filling of automobile washing liquid. In the field of whole vehicle manufacturing and assembly, the washing liquid is mainly filled by a positive pressure filling machine, which is composed of a filling pump, a flowmeter, an on-off valve and a filling gun. The filling process is to aim the gun head at the spout, press the start key and start filling, and stop when the set amount is reached.

[0003] The residual liquid on the filling pipeline of the existing filling gun will drip around the filling port or in the engine compartment during the gun collecting process after filling is completed. The liquid dripping everywhere will cause poor product quality and affect the cleanliness of the operation site. UTILITY MODEL CONTENTS

[0004] The utility model aims at overcoming the shortage that the residual liquid on the filling pipeline of the existing filling gun will drip around the filling port or in the engine compartment after filling is completed, and provides a filling gun. The utility model optimizes the filling process, can remove the residual liquid in the filling head after filling is completed, and prevents quality deterioration caused by liquid dripping from the gun head, thus having very good use effect.

[0005] To solve the above technical problems, the utility model adopts the technical scheme of:

[0006] A filling gun, comprising:

[0007] A clamping device, comprising a sleeve assembly and a cylinder connected to the sleeve assembly;

[0008] An upper cylinder body, comprising a filling head and a cylinder body; the cylinder body is provided with a filling valve, a blowing valve and a clamping valve; the cylinder body is also provided with a filling pipeline, a blowing pipeline and a clamping pipeline; the filling pipeline is connected to the filling head through the filling valve; the blowing pipeline is connected to the filling head through the blowing valve; the clamping pipeline is connected to the cylinder through the clamping valve;

[0009] A controller connected to and controlling the opening and closing of the filling valve, the blowing valve and the clamping valve.

[0010] It should be noted that the filling pipeline is externally connected to a filling liquid, and the blowing pipeline and the clamping pipeline are externally connected to a gas source.

[0011] The utility model discloses when using, the filling head is butt joint with the pot mouth, and the controller controls the action of clamping valve, and the cylinder action of clamping device makes the expansion sleeve assembly open the clamping pot mouth, so that the operator does not need to hold all the time in the filling process, and other work can be carried out after starting filling; after clamping, the controller controls the action of filling valve, and the filling process is started, and the filling pipeline is opened, and the liquid filled from outside passes through the filling pipeline and enters the filling head to carry out filling, and the filling valve is closed after filling is completed, and the controller controls the blow valve to open, and the residual liquid at the gun nozzle of the filling head is blown away by compressed air, and the excessive residual liquid is blown into the pot mouth, so that the residual liquid adhered to the gun nozzle of the filling head does not fall into the cabin to cause poor quality in the gun collecting process after filling is completed, and the cylinder returns to the initial state after blowing is completed, and the expansion sleeve assembly releases the clamping of the pot mouth, and one filling operation is completed.

[0012] The utility model discloses through setting up automatic clamping, optimization filling process, save operation working hours, increase the blowing mechanism after filling on the basis of traditional filling gun simultaneously, and the residual liquid in the filling head is excluded, and the quality of poor quality caused by the liquid drop of the gun head is prevented, and the utility model discloses have very good use effect.

[0013] Further, the expansion sleeve assembly includes a piston rod, a piston sleeved at an end of the piston rod, an expansion sleeve O-ring embedded in the piston, and a fixed compression ring sleeved outside the piston, and the piston rod is connected to the cylinder.

[0014] Further, a sealing member is arranged between the piston rod and the piston, between the fixed compression ring and the cylinder, and between the fixed compression ring and the piston.

[0015] Further, the piston is a double-tapered clamp block, and the expansion sleeve O-ring is embedded in the middle of the double-tapered clamp block.

[0016] The utility model discloses that the expansion sleeve assembly adopts a piston rod to cooperate with an expansion sleeve O-ring to realize the expansion and release of the pot mouth, the head end of the piston rod has a double-tapered clamp block, the expansion sleeve O-ring is expanded by being compressed towards the middle when clamping, and the pot mouth is clamped.

[0017] Further, the cylinder body includes a three-way seat and a pipeline through wall arranged at one side opening of the three-way seat, the filling head is communicated with the other side opening of the three-way seat, the filling valve is arranged in the three-way seat and communicated with the filling head, and the pipeline through wall is provided with through holes for the filling pipeline, the blowing pipeline, the clamping gas circuit, the blowing valve and the clamping valve.

[0018] It should be noted that the last side opening of the three-way seat is convenient for the installation and arrangement of parts, and a fixed cover is arranged after installation to seal.

[0019] Further, the filling valve comprises a valve core and a valve sleeve, and a sealing element is further arranged between the valve sleeve and the three-way seat.

[0020] Further, the filling valve is a two-position three-way electromagnetic valve, and the filling valve is further connected with a gas source.

[0021] Further, the blowing valve and the clamping valve are both two-position two-way electromagnetic valves.

[0022] Further, the controller comprises a main control board, and a control button connected with the main control board, and an output end of the control button is connected with the filling valve, the blowing valve and the clamping valve.

[0023] Further, the control board can be an internal control processor or a host CPU in the filling control system.

[0024] The filling gun is started and stopped by the control button, and a complete set of processes of clamping, filling, stopping filling, releasing clamping and blowing can be realized by setting a program logic of the control panel, so that personnel monitoring is not needed, a process flow is optimized, and work efficiency is improved.

[0025] Further, the control handle is hollow, and the control handle is connected with the pipeline through the wall. The handle is set to facilitate personnel to hold when taking, improve use convenience, and various pipelines and lines can be hidden in the control handle, so that operation is more convenient.

[0026] Further, the controller is arranged on the hollow control handle, and the controller is connected with the filling valve, the blowing valve and the clamping valve through a wire harness.

[0027] Compared with the prior art, the utility model has the beneficial effects that:

[0028] The utility model discloses when using, the filling head is butt joint with the pot mouth, and the controller controls the clamping valve action, and the cylinder action of the clamping ware makes the expansion sleeve assembly prop open the clamping pot mouth, and makes the operating personnel not hold all the time in the filling process, and when starting filling, other work can be carried out, and after clamping, the controller controls the filling valve action, and starts the filling process, and the filling pipeline opens, and the liquid of external filling enters the filling head through the filling pipeline to carry out filling, and after filling, the filling valve is closed, and after the filling valve is closed, the controller controls the blowing valve to open, and the residual liquid at the gun nozzle of the filling head is blown away by compressed air, and the excessive residual liquid is blown into the pot mouth, so that in the gun recovery process after filling, the residual liquid adhered to the gun nozzle of the filling head does not fall in the cabin and cause poor quality, and after blowing, the controller controls the clamping valve to close, and the cylinder restores the initial state, and the expansion sleeve assembly releases the clamping to the pot mouth, and completes a filling operation. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 It is the whole structure schematic diagram of the utility model;

[0030] Figure 2 It is the connection schematic diagram of pipeline and valve in the utility model;

[0031] Figure 3 It is the explosion drawing of the utility model;

[0032] Figure 4 It is the structure schematic diagram of pipeline through wall in the utility model.

[0033] The illustration mark is as follows:

[0034] 2-expansion sleeve assembly, 21-piston rod, 22-piston, 23-expansion sleeve O ring, 24-fixed pressure ring, 25-closure, 3-cylinder, 4-upper cylinder body, 41-filling head, 42-cylinder body, 421-three way seat, 422-pipeline through wall, 423-fixed cover, 43-filling pipeline, 44-blowing pipeline, 45-clamping air path, 5-filling valve, 51-valve core, 52-valve sleeve, 6-blowing valve, 7-clamping valve, 8-controller, 81-control button, 9-hollow handle. DETAILED DESCRIPTION

[0035] The utility model makes further explanation in combination with specific implementation. Among them, the drawing is only for example explanation, and the representation is only schematic diagram, and cannot be understood as the limitation to this patent; in order to better explain the embodiment of the utility model, the drawing some components will be omitted, enlarged or reduced, and does not represent the size of actual product; for those skilled in the art, it is understandable that some well-known structures in the drawing and its description can be omitted.

[0036] The same or similar reference numerals in the drawings of the embodiments of the utility model correspond to the same or similar components; in the description of the utility model, it is understood that if the orientation or position relationship indicated by the terms "upper", "lower", "left", "right" and the like is based on the orientation or position relationship shown in the drawing, it is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, therefore the terms describing the position relationship in the drawing are only for example explanation, and cannot be understood as the limitation to this patent, for those skilled in the art, the specific meaning of the above terms can be understood according to the specific situation.

[0037] Embodiment 1

[0038] As Figures 1 to 4 The first embodiment of the utility model is shown, and the filling gun is taken as an example, and the filling gun is mainly applied to the filling of car washing liquid:

[0039] A filling gun, comprising:

[0040] The clamping device comprises a sleeve assembly 2 and a cylinder 3 connected to the sleeve assembly 2.

[0041] The upper cylinder body 4 comprises a filling head 41 and a cylinder body; the cylinder body is provided with a filling valve 5, a blowing valve 6 and a clamping valve 7; the cylinder body is also provided with a filling pipeline 43, a blowing pipeline 44 and a clamping gas pipeline 45; the filling pipeline 43 is communicated with the filling head 41 through the filling valve 5; the blowing pipeline 44 is communicated with the filling head 41 through the blowing valve 6; and the clamping gas pipeline 45 is communicated with the cylinder 3 through the clamping valve 7.

[0042] The controller 8 is connected to and controls the opening and closing of the filling valve 5, the blowing valve 6 and the clamping valve 7.

[0043] It should be noted that the filling pipeline 43 is externally connected to the filling liquid during use, and the blowing pipeline 44 and the clamping gas pipeline 45 are externally connected to the gas source.

[0044] As Figure 3 The sleeve assembly 2 comprises a piston rod 21, a piston 22 sleeved on the end of the piston rod 21, a sleeve O-ring 23 sleeved in the piston 22 and a fixed pressure ring 24 sleeved outside the piston 22, and the piston rod 21 is connected to the cylinder 3.

[0045] As shown in Figure 3 , sealing elements are arranged between the piston rod 21 and the piston 22, between the fixed compression ring 24 and the cylinder 3, and between the fixed compression ring 24 and the piston 22.

[0046] As shown in Figure 3 , the piston 22 is a double-tapered clamp block, and the expansion sleeve O-ring 23 is embedded in the middle of the double-tapered clamp block.

[0047] It should be noted that the end of the cylinder 3 is also provided with a cover 25, which is used to fix the piston rod 21 and the piston 22 in the cylinder 3.

[0048] The expansion sleeve assembly 2 of the present embodiment uses the piston rod 21 to cooperate with the expansion sleeve O-ring 23 to realize the expansion and loosening of the kettle opening. The piston rod 21 has a double-tapered clamp block at the head end. When clamped, it is compressed in the middle through the taper, so that the expansion sleeve O-ring 23 is expanded and clamped to the kettle opening.

[0049] As shown in Figure 3 , the cylinder body includes a three-way seat 421, and a pipeline passing wall 422 arranged at one side opening of the three-way seat 421. The filling head 41 is connected to the other side opening of the three-way seat 421, and the filling valve 5 is arranged in the three-way seat 421 and connected to the filling head 41. As shown in Figure 4 , the pipeline passing wall 422 is provided with through holes for the filling pipeline 43, the blowing pipeline 44, the clamping air pipeline 45, the blowing valve 6 and the clamping valve 7.

[0050] It should be noted that the last side opening of the three-way seat 421 is convenient for the installation and arrangement of parts, and a fixed cover 423 is arranged after installation to seal.

[0051] As shown in Figure 3 , the filling valve 5 includes a valve core 51 and a valve sleeve 52, and a sealing element is arranged between the valve sleeve 52 and the three-way seat 421.

[0052] The operation steps of the embodiment are as follows: the filling head 41 is connected with the pot opening, the controller 8 controls the clamping valve 7 to act, the cylinder 3 of the clamping device acts to make the expansion sleeve assembly 2 open the clamping pot, so that the operator does not need to hold the filling head 41 during the filling process, and other work can be carried out after the filling is started; after clamping, the controller 8 controls the filling valve 5 to act, the filling process is started, the filling pipeline 43 is opened, and the liquid filled from outside enters the filling head 41 through the filling pipeline 43 to perform filling, the filling valve 5 is closed after filling is completed, the controller 8 controls the blowing valve 6 to open, and the residual liquid at the gun nozzle of the filling head 41 is blown away by using compressed air, and the excess residual liquid is blown into the pot opening, so that the residual liquid attached to the gun nozzle of the filling head 41 will not fall into the cabin to cause poor quality during the gun recovery process after filling is completed, and after blowing is completed, the controller 8 controls the clamping valve 7 to close, so that the cylinder 3 returns to the initial state, the expansion sleeve assembly 2 loosens the clamping of the pot opening, and one filling operation is completed.

[0053] The advantage of the embodiment is that the automatic clamping is set, the filling process is optimized, the operation time is saved, the blowing mechanism after filling is additionally set on the basis of the traditional filling gun, the residual liquid in the filling head 41 is discharged after filling is completed, the quality problem caused by the liquid dripping from the gun head is eliminated, and the use effect is very good.

[0054] Embodiment 2

[0055] The embodiment is similar to embodiment 1, and the difference is that in the embodiment, the filling valve 5 is a two-position three-way electromagnetic valve, and the filling valve 5 is additionally connected with the air source.

[0056] As shown in Figure 2 , the filling valve 5 is a two-position three-way electromagnetic valve, and the filling valve 5 is additionally connected with the air source.

[0057] As shown in Figure 2 , the blowing valve 6 and the clamping valve 7 are both two-position two-way electromagnetic valves.

[0058] The other structures and principles of the embodiment are the same as those of embodiment 1.

[0059] Embodiment 3

[0060] The embodiment is similar to embodiment 1, and the difference is that in the embodiment, the filling valve 5 is a two-position three-way electromagnetic valve, and the filling valve 5 is additionally connected with the air source.

[0061] As shown in Figure 1 and Figure 3 , the controller 8 includes a main control board, a control button 81 connected with the main control board at the input end, and the output end of the control button 81 is connected with the filling valve 5, the blowing valve 6 and the clamping valve 7.

[0062] As shown in Figure 3 , in the embodiment, the control button 81 includes a start button and a stop button.

[0063] In the embodiment, the control board is a host CPU in the filling control system, the control process adopts remote wireless control, after the start button is pressed, a whole set of processes of clamping, filling, stopping filling, blowing and unclamping can be realized by the set program logic, personnel monitoring is not needed, the process flow is optimized, and the work efficiency is improved; the filling gun can be directly taken off after the filling is completed; when special conditions occur, the stop button is pressed to stop the filling process, and the clamping is immediately released after blowing.

[0064] As shown in Figure 1 and Figure 3 The hollow handle 9 is connected with the pipeline through the wall 422. The handle is set to facilitate personnel to hold when taking, improve the use convenience, and various pipelines and lines can be hidden in the control handle, so that the operation is more convenient.

[0065] As shown in Figure 1 The controller 8 is arranged on the hollow handle 9, and the controller 8 is connected with the filling valve 5, the blowing valve 6 and the clamping valve 7 through a wire harness.

[0066] The other structures and principles of the embodiment are the same as those of the embodiment 1.

[0067] Obviously, the above embodiments of the utility model are only examples for clearly illustrating the utility model, and are not the limitation of the embodiments of the utility model. For ordinary skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, all the embodiments are not enumerated. Any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model claim.

Claims

1. A refueling gun, characterized in that, include: The clamping device includes an expansion sleeve assembly (2) and a cylinder (3) connected to the expansion sleeve assembly (2). The upper cylinder body (4) includes a filling head (41) and a cylinder body; the cylinder body is provided with a filling valve (5), an air blowing valve (6) and a clamping valve (7), and the cylinder body is also provided with a filling pipeline (43), an air blowing pipeline (44) and a clamping air passage (45). The filling pipeline (43) is connected to the filling head (41) through the filling valve (5), the air blowing pipeline (44) is connected to the filling head (41) through the air blowing valve (6), and the clamping air passage (45) is connected to the cylinder (3) through the clamping valve (7). The controller (8) is connected to and controls the opening and closing of the filling valve (5), the blowing valve (6) and the clamping valve (7), respectively.

2. The filling gun according to claim 1, characterized in that, The expansion sleeve assembly (2) includes a piston rod (21), a piston (22) sleeved at the end of the piston rod (21), an expansion sleeve O-ring (23) sleeved in the piston (22), and a fixing pressure ring (24) sleeved on the outside of the piston (22). The piston rod (21) is connected to the cylinder (3).

3. A filling gun according to claim 2, characterized in that, It also includes a piston (22) which is a double-conical clamping block, and the expansion sleeve O-ring (23) is embedded in the middle of the double-conical clamping block.

4. A filling gun according to claim 1, characterized in that, The cylinder body includes a three-way seat (421) and a pipeline through wall (422) with an opening on one side of the three-way seat (421). The filling head (41) is connected to the opening on the other side of the three-way seat (421). The filling valve (5) is located in the three-way seat (421) and is connected to the filling head (41). The pipeline through wall (422) is provided with through holes for the filling pipeline (43), the air blowing pipeline (44), the clamping air passage (45), the air blowing valve (6), and the clamping valve (7) to pass through.

5. A filling gun according to claim 4, characterized in that, The filling valve (5) includes a valve core (51) and a valve sleeve (52), and a sealing element is provided between the valve sleeve (52) and the three-way seat (421).

6. A refueling gun according to claim 1, characterized in that, The filling valve (5) is a two-position three-way solenoid valve, and the filling valve (5) is also connected to an external air source.

7. A filling gun according to claim 1, characterized in that, Both the air blowing valve (6) and the clamping valve (7) are two-position two-way solenoid valves.

8. A filling gun according to claim 1, characterized in that, The controller (8) includes a main control board and a control button (81) whose input is connected to the main control board. The output of the control button (81) is connected to the filling valve (5), the blowing valve (6), and the clamping valve (7).

9. A filling gun according to claim 4, characterized in that, It also includes a hollow handle (9), which is connected to the pipe wall (422).

10. A filling gun according to claim 9, characterized in that, The controller (8) is located on the hollow handle (9), and the controller (8) is connected to the filling valve (5), the blowing valve (6) and the clamping valve (7) via a wiring harness.

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