Handle limiting device for oil gun

Abstract

The handle limiting device for the oil gun comprises an oil gun body, a handle control assembly is installed at the lower end of the oil gun body, a pressing control module is installed in the handle control assembly, an electric control push rod is electrically connected with a pressing touch sensing module, a limiting baffle is installed at one end of the electric control push rod, and a pressing touch sensing module is installed at the other end of the electric control push rod. A reset spring is installed on one side of the limiting baffle. The pressing control module at the position of the oil gun handle is subjected to limiting protection, and the pressing touch sensing module is arranged, so that after an operator plugs the oil gun body into an automobile oil tank, relevant signals are fed back and transmitted to the electric control push rod through the pressing touch sensing module, the electric control push rod is promoted to receive the signals and then backwards compress the reset spring, and the oil gun body is pressed. Meanwhile, after oil injection is completed, under the action of the reset spring, the electric control push rod is driven to drive the oil injection limiting clamping block to rebound and seal, and the limiting sealing protection effect is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of fueling gun accessories, in particular to a handle limiting device for a fueling gun. Background Art

[0002] The refueling gun is the terminal of the refueling machine in the gas station, that is, the part that contacts the car's fuel tank. Self-sealing refueling guns and composite refueling guns are commonly used. When refueling cars at gas stations, self-sealing refueling guns are used. This type of refueling gun has the function of automatically closing when the car's fuel tank is full of oil.

[0003] The Chinese authorized patent document with publication number CN103072934A relates to a self-controlled self-sealing refueling gun, including a gun body, a handle assembly, a main valve, a control valve, and an oil outlet pipe; a mechanical self-sealing device is mainly provided in the middle of the oil outlet pipe, and the mechanical self-sealing device is composed of a self-sealing slider, a self-sealing slide plate, and a self-sealing spring; the self-sealing slider is installed on the oil outlet pipe, and the self-sealing slider and the oil outlet pipe are connected by axial dynamic fit, and a self-sealing slider forward movement limit device is provided on the oil outlet pipe; the self-sealing spring is installed between the inner step of the self-sealing slider and the outer step of the oil outlet pipe; one end of the self-sealing slide plate is fixedly installed on the inner hole wall of the self-sealing slider, and the other end is sealed on the self-sealing hole when the self-sealing slider moves forward to the position, and the self-sealing slide plate is dynamically connected with the outer surface of the oil outlet pipe. When the oil outlet pipe is inserted into the automobile fuel tank, the front end of the self-sealing slide plate leaves the self-sealing hole for normal refueling; when the oil outlet pipe is pulled out, the front end of the self-sealing slide plate seals the self-sealing hole to achieve an instant self-sealing function. It has the advantages of convenient refueling operation and high control accuracy, and is suitable for the refueling gun of a refueling machine.

[0004] The refueling gun in the above-mentioned prior art cannot automatically rebound and limit the oil filling limit block after the oil filling is completed, which may easily cause leakage at the oil filling limit block. Therefore, it is necessary to develop a handle limit device for a refueling gun to solve the above-mentioned technical problems. Utility Model Content

[0005] The purpose of the utility model is to provide a handle limit device for a refueling gun, so as to solve the problem that the refueling gun in the prior art proposed in the above background technology cannot automatically rebound and limit the oil filling limit block after the oil filling is completed, which easily leads to leakage at the oil filling limit block.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a handle limit device for a refueling gun, comprising a refueling gun body, a handle control assembly is installed at the lower end of the refueling gun body, a press control module is installed inside the handle control assembly, a press touch sensor module is arranged on the surface of the press control module, an oil filling limit card block is installed inside the refueling gun body, one end of the oil filling limit card block is connected to the press control module through a movable shaft, an electric control push rod is installed at one end of the oil filling limit card block, the electric control push rod is electrically connected to the press touch sensor module, a limit baffle is installed at one end of the electric control push rod, and a return spring is installed on one side of the limit baffle.

[0007] Based on the above, a fuel injection gun barrel is installed at the front end of the fuel injection gun body.

[0008] Based on the above, the front end of the oil filling gun barrel is sealed and connected to the extended oil pipe through a threaded connection.

[0009] Based on the above, a sealing joint is provided on the rear end surface of the fuel gun body.

[0010] Based on the above, the sealing joint is sealed and connected to the oil gun pipe through a tightening shaft ring.

[0011] Based on the above, the electric control push rod drives the pressing control module to reset through the compression of the reset spring.

[0012] Based on the above, a fixing hook is provided at one end of the handle control assembly, and the fixing hook and the handle control assembly are an integrated structure.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model performs limit protection on the pressing control module at the fueling gun handle and is provided with a pressing touch sensor module. When the operator inserts the fueling gun body into the automobile tank, the pressing touch sensor module transmits the relevant signal feedback to the electric control push rod, prompting the electric control push rod to compress the reset spring backward after receiving the signal, thereby controlling the oil filling limit card block to operate, and conveniently controlling it to open the oil filling operation. At the same time, after the oil filling is completed, under the action of the reset spring, the electric control push rod is driven to drive the oil filling limit card block to rebound and seal, thereby achieving the limit sealing protection effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall external structure of the utility model;

[0016] Figure 2 It is the front view of the utility model;

[0017] Figure 3 It is a schematic diagram of the internal installation structure of the utility model.

[0018] In the figure: 1. Extended oil pipe; 2. Threaded connection; 3. Oiling gun barrel; 4. Oiling gun body; 5. Sealing joint; 6. Fastening collar; 7. Press control module; 8. Handle control assembly; 9. Press touch sensor module; 10. Fixed hook; 11. Oil gun pipe; 12. Return spring; 13. Limit baffle; 14. Electric control push rod; 15. Oiling limit block; 16. Movable shaft. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0020] See also Figure 1-3 The utility model provides an embodiment: a handle limit device for a refueling gun, including a refueling gun body 4, a handle control assembly 8 is installed at the lower end of the refueling gun body 4, a press control module 7 is installed inside the handle control assembly 8, a press touch sensor module 9 is arranged on the surface of the press control module 7, an oil filling limit card block 15 is installed inside the refueling gun body 4, one end of the oil filling limit card block 15 is connected to the press control module 7 through a movable shaft 16, an electric control push rod 14 is installed at one end of the oil filling limit card block 15, the electric control push rod 14 is electrically connected to the press touch sensor module 9, a limit baffle 13 is installed at one end of the electric control push rod 14, and a return spring 12 is installed on one side of the limit baffle 13.

[0021] Furthermore, a refueling gun barrel 3 is installed at the front end of the refueling gun body 4 to facilitate the refueling operation.

[0022] Furthermore, the front end of the oil filling gun barrel 3 is sealedly connected to the extended oil pipe 1 through the threaded screw-on portion 2, which has the advantages of convenient assembly and fixation, and a tight and stable connection.

[0023] Furthermore, a sealing joint 5 is provided on the rear end surface of the fuel gun body 4 .

[0024] Furthermore, the sealing joint 5 is sealingly connected to the oil gun pipe 11 via the fastening collar 6 .

[0025] Furthermore, the electric control push rod 14 is compressed by the reset spring 12 to drive the pressing control module 7 to reset, thereby facilitating the pressing control module 7 to seal and fix the inside of the fuel gun body 4 .

[0026] Furthermore, a fixing hook 10 is provided at one end of the handle control assembly 8, and the fixing hook 10 and the handle control assembly 8 are an integrated structure, which facilitates the hanging and fixing of the handle control assembly 8.

[0027] Working principle: When in use, a handle control assembly 8 is installed at the lower end of the fueling gun body 4, and a press control module 7 is installed inside the handle control assembly 8. The operator controls the fuel filling switch by pressing the control module 7. A press touch sensor module 9 is provided on the surface of the press control module 7. The press touch sensor module 9 is used to receive the sensor signal brought by the operator's hand pressure. An fuel filling limit card block 15 is installed inside the fueling gun body 4. The fuel filling limit card block 15 is used to switch and control the gasoline flow at the fuel filling gun barrel 3. One end of the fuel filling limit card block 15 is connected to the press control module 7 through a movable shaft 16. An electric control push rod 14 is installed at one end of the fuel filling limit card block 15. The electric control push rod 14 is electrically connected to the press touch sensor module 9, and a limit stop is installed at one end of the electric control push rod 14 Plate 13, a return spring 12 is installed on one side of the limit baffle 13, and the pressing control module 7 of the fuel gun handle control component 8 is limited and protected. By setting a press-touch sensor module 9, when the operator inserts the fuel gun body 4 into the automobile tank, the relevant signal feedback is transmitted to the electric control push rod 14 by pressing the touch sensor module 9, prompting it to compress the return spring 12 backward after receiving the signal, thereby controlling the oil filling limit block 15 to operate, prompting it to open, allowing gasoline to flow out through the fuel filling gun barrel 3, and then facilitating the control of opening the fuel filling operation. At the same time, after the fuel filling is completed, under the action of the return spring 12, the electric control push rod 14 is driven to drive the fuel filling limit block 15 to rebound and seal, so that the oil inlet end of the fuel filling gun barrel 3 can be blocked and sealed, achieving a rapid limit sealing protection effect.

[0028] It should be noted that, in this article, relational terms such as first and second, etc. 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 these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0029] The standard parts used in this application document can all be purchased from the market, and the specific connection methods of each part are connected by conventional means such as mature bolts, rivets, welding, etc. in the prior art. In addition, the machinery, parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, so no specific description is given here.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A handle limiter for a refueling gun, comprising a refueling gun body (4), characterized in that: A handle control assembly (8) is installed at the lower end of the refueling gun body (4), a pressing control module (7) is installed inside the handle control assembly (8), a pressing touch sensor module (9) is arranged on the surface of the pressing control module (7), an oil filling limit card block (15) is installed inside the refueling gun body (4), one end of the oil filling limit card block (15) is connected to the pressing control module (7) through a movable shaft (16), an electric control push rod (14) is installed at one end of the oil filling limit card block (15), the electric control push rod (14) and the pressing touch sensor module (9) are electrically connected, a limiting baffle (13) is installed at one end of the electric control push rod (14), and a return spring (12) is installed on one side of the limiting baffle (13).

2. A handle limiter for a fuel gun according to claim 1, characterized in that: A fuel injection gun barrel (3) is installed at the front end of the fuel injection gun body (4).

3. A handle limiter for a fuel gun according to claim 2, characterized in that: The front end of the oil filling gun barrel (3) is sealedly connected to an extended oil pipe (1) via a threaded connection portion (2).

4. The handle limit device for a fuel gun according to claim 1, characterized in that: A sealing joint (5) is provided on the rear end surface of the refueling gun body (4).

5. A handle limiter for a fuel gun according to claim 4, characterized in that: The sealing joint (5) is sealingly connected to the oil gun pipe (11) via a fastening shaft ring (6).

6. The handle limit device for a fuel gun according to claim 1, characterized in that: The electric control push rod (14) is compressed by the reset spring (12) to drive the pressing control module (7) to reset.

7. The handle limit device for a fuel gun according to claim 1, characterized in that: A fixing hook (10) is provided at one end of the handle control component (8), and the fixing hook (10) and the handle control component (8) are an integrated structure.

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