Overflow valve of high-pressure cleaning machine

Abstract

The utility model provides an overflow valve of a high-pressure cleaning machine, which belongs to the technical field of overflow valves and comprises a valve body and an adjusting component, the adjusting component comprises a limit rod arranged at the bottom of the inner wall of a sealing cover, the bottom of the limit rod is in threaded connection with a limit head, the outer wall of the limit rod is in sliding connection with a sealing core, and a spring is arranged at the top of the sealing core. The device has the advantages that the other gear slides on the rack and assists the rack, then the moving plate drives the connecting plate to move downwards, the connecting plate moves downwards, then the fixing rod drives the connecting frame to move downwards, the connecting frame is driven to move downwards, and the limiting rod is driven to move downwards. The connecting frame extrudes the spring or moves upwards to loosen the spring, then the tightness of the spring is adjusted, the pre-tightening force of the sealing core is adjusted, the opening pressure of the overflow valve is set, the purpose of adjusting the pre-tightening force is achieved, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of overflow valves, and in particular relates to an overflow valve for a high-pressure cleaning machine. Background Art

[0002] A high-pressure washer is a machine that uses a power device to generate high-pressure water from a high-pressure plunger pump to wash the surface of an object. It can peel off dirt and wash away the dirt, thereby achieving the purpose of cleaning the surface of the object. When using a high-pressure washer, an overflow valve is used. After searching, the application number "CN202322381326.0" discloses "an overflow valve for a high-pressure washer", which records that "by providing a first countersunk hole on the sliding part, the pressure directly acting on the sealing ring is greatly reduced, thereby extending the service life of the sealing ring." By providing the first countersunk hole on the sliding part, the pressure directly acting on the sealing ring is greatly reduced, which indeed extends the service life of the sealing ring. However, the above-mentioned comparative documents still have the following problems in actual use:

[0003] In actual use, the preload force cannot be adjusted, resulting in the inability to accurately set and maintain the system pressure value during use, which may cause the system pressure to be unstable or exceed the expected range.

[0004] Based on this, it is extremely practical to provide a relief valve that can stably adjust the preload force. Utility Model Content

[0005] The purpose of the utility model is to provide a high-pressure cleaning machine overflow valve, aiming to solve the above technical problems.

[0006] An embodiment of the utility model provides a high-pressure cleaning machine overflow valve, comprising a valve body and a regulating assembly.

[0007] Wherein, the valve body is sealed with a connector, and the top of the connector is threadedly connected with a sealing cover;

[0008] The top of described sliding panel also is provided with an interlocking structure, and the interlocking structure is hinged on the base plate, is fixed with a backing pin on the interlocking structure, and an end of sliding panel withstands on the backing pin of interlocking structure.

[0009] In one embodiment of the present invention, a scale is provided on one side of one of the protection boxes.

[0010] In one embodiment of the present invention, a connection box is provided on one side of the valve body, and a battery is provided inside the connection box.

[0011] In one embodiment of the present invention, one end of the valve body is sealed and connected to a liquid outlet pipe, and a first thread groove is formed on one side of the liquid outlet pipe.

[0012] In one embodiment of the present invention, the valve body is cast from metal chromium.

[0013] In one embodiment of the present invention, the bottom of the valve body is sealed and connected to an external joint, a second threaded groove is provided at the bottom of the external joint, and a switch panel is provided at one end of the connection box.

[0014] In one embodiment of the present invention, a torque motor switch is provided on the switch panel, the torque motor is electrically connected to the torque motor switch, and the switch panel is electrically connected to the battery.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] The torque motor is provided, and when in use, the user turns on the torque motor through the torque motor switch, so that the torque motor drives one of the gears to rotate, the gear rotates, and then moves on the rack, so that the movable plate slides on the auxiliary rod, and another gear is used to slide on the rack to assist it, and then the movable plate drives the connecting plate to move downward, and the connecting plate moves downward, and then the fixed rod drives the connecting frame to move downward, so that the connecting frame squeezes the spring or moves upward to loosen the spring, and then by adjusting the tightness of the spring, the preload force of the sealing core is adjusted, and the opening pressure of the relief valve is set, thereby achieving the purpose of adjusting the preload force and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0018] Figure 1 This is a schematic diagram of the structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the split structure of the utility model;

[0020] Figure 3 This is a schematic diagram of the disassembled structure of the utility model;

[0021] Figure 4 This is a schematic diagram of the enlarged structure of the gear of this utility model.

[0022] In the figure: 100, valve body; 110, sealing cover; 200, adjustment assembly; 210, limit rod; 220, sealing core; 230, spring; 240, connecting frame; 250, fixed rod; 260, connecting plate; 270, protection box; 280, auxiliary rod; 290, movable plate; 2910, gear; 2920, rack; 2930, movable frame; 2940, torque motor; 300, scale; 400, connecting box; 500, liquid outlet pipe; 600, external connector. DETAILED DESCRIPTION

[0023] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described 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, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] Example

[0025] See also Figure 1-4 , a high-pressure cleaning machine overflow valve includes a valve body 100 and an adjusting assembly 200.

[0026] For details, please refer to Figure 1 The valve body 100 is sealed with a connector, and the top of the connector is threadedly connected to a sealing cover 110.

[0027] See also Figure 3-4 The adjusting assembly 200 includes a limiting rod 210 arranged at the bottom of the inner wall of the sealing cover 110. The bottom of the limiting rod 210 is threadedly connected to the limiting head. The outer wall of the limiting rod 210 is slidably connected to the sealing core 220. The top of the sealing core 220 is provided with a spring 230. The top of the spring 230 is provided with a connecting frame 240. The inner parts of the spring 230 and the connecting frame 240 are both slidably connected to the limiting rod 210. The top of the connecting frame 240 is provided with two fixing rods 250. The tops of the two fixing rods 250 are both through the sealing cover 110 and are provided with a connecting plate 260. The top of the sealing cover 110 is provided with two protective boxes 270. The two protective boxes The inner walls of the box 270 are each provided with an auxiliary rod 280, and the outer walls of the two auxiliary rods 280 are slidably connected to a movable plate 290, and both sides of one of the movable plates 290 are rotatably connected to a gear 2910, and one side of the two gears 2910 is meshed with a rack 2920, and one side of the two racks 2920 is fixedly connected to one side of the inner wall of one of the protective boxes 270, and one end of one of the protective boxes 270 is slidably connected to a movable frame 2930, and one end of the movable frame 2930 is provided with a torque motor 2940, and the output shaft end of the torque motor 2940 passes through the movable frame 2930 and is fixedly connected to one of the gears 2910.

[0028] In a specific embodiment, a torque motor 2940 is provided, which makes it convenient for the user to turn on the torque motor 2940 through the torque motor switch during use, so that the torque motor 2940 drives one of the gears 2910 to rotate, and the gear 2910 rotates, and then moves on the rack 2920, so that the movable plate 290 slides on the auxiliary rod 280, and another gear 2910 is used to slide on the rack 2920 to assist it, and then the movable plate 290 drives the connecting plate 260 to move downward, and the connecting plate 260 moves downward, and then the fixed rod 250 drives the connecting frame 240 to move downward, so that the connecting frame 240 squeezes the spring 230 or moves upward to release the spring 230, and then by adjusting the tightness of the spring 230, the preload force of the sealing core 220 is adjusted, and the opening pressure of the overflow valve is set, thereby achieving the purpose of adjusting the preload force and improving work efficiency.

[0029] See also Figure 3 A scale 300 is provided on one side of one of the protection boxes 270 .

[0030] In a specific embodiment, the scale 300 is provided to facilitate the user to utilize the scale 300 to cooperate with the adjustment component 200, so that the user can quickly make adjustments, thereby improving work efficiency.

[0031] See also Figure 1 A connection box 400 is provided on one side of the valve body 100 , and a battery is provided inside the connection box 400 .

[0032] In a specific embodiment, the connection box 400 is provided to facilitate protection of the battery, making it more stable during use and avoiding damage to the battery caused by bumps during use.

[0033] See also Figure 1 One end of the valve body 100 is sealed and connected to a liquid outlet pipe 500 , and a first thread groove is formed on one side of the liquid outlet pipe 500 .

[0034] In a specific embodiment, the liquid outlet pipe 500 is provided, which can be conveniently connected to an external pipeline through the first threaded groove during use, so that the transported liquid can be quickly output, thereby improving work efficiency.

[0035] See also Figure 1 , the valve body 100 is cast from metal chromium.

[0036] In a specific embodiment, the metal chromium is provided to facilitate power-on control of electrical equipment, so that the electrical equipment can be powered on when it needs power, avoiding the situation where it cannot be powered on when it needs power.

[0037] See also Figure 1 The bottom of the valve body 100 is sealed and connected to the external connector 600. A second threaded groove is provided at the bottom of the external connector 600. A switch panel is provided at one end of the connection box 400.

[0038] In a specific embodiment, the external connector 600 is provided to facilitate users to connect the external connector 600 to the cleaning machine through the second threaded groove so as to be able to deliver water through the valve body 100, thereby improving stability.

[0039] See also Figure 1-2 A torque motor switch is provided on the switch panel, the torque motor 2940 is electrically connected to the torque motor switch, and the switch panel is electrically connected to the battery.

[0040] In a specific embodiment, a switch panel is provided to facilitate power control of electrical equipment, so that the electrical equipment can be powered on when it needs electricity, avoiding the situation where it cannot be powered on when it needs electricity.

[0041] When in use, the user first turns on the torque motor 2940 through the torque motor switch, so that the torque motor 2940 drives one of the gears 2910 to rotate, the gear 2910 rotates, and then moves on the rack 2920, and then the movable plate 290 slides on the auxiliary rod 280, and another gear 2910 slides on the rack 2920 to assist it, and then the movable plate 290 drives the connecting plate 260 to move downward, and the connecting plate 260 moves downward, and then The fixing rod 250 drives the connecting frame 240 to move downward, and then the connecting frame 240 squeezes the spring 230 or moves upward to loosen the spring 230. Then, by adjusting the tightness of the spring 230, the preload force of the sealing core 220 is adjusted, and the opening pressure of the relief valve is set, thereby achieving the purpose of adjusting the preload force and improving work efficiency. Finally, through the provided scale 300, the user can use the scale 300 to cooperate with the adjustment component 200, so that the user can quickly make adjustments, thereby improving work efficiency.

[0042] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A high-pressure cleaning machine overflow valve, characterized in that: include: A valve body (100), wherein the valve body (100) is sealed with a connector, and the top of the connector is threadedly connected to a sealing cover (110); An adjustment component (200) includes a limiting rod (210) arranged at the bottom of the inner wall of the sealing cover (110), the bottom of the limiting rod (210) is threadedly connected to a limiting head, the outer wall of the limiting rod (210) is slidably connected to a sealing core (220), a spring (230) is provided at the top of the sealing core (220), a connecting frame (240) is provided at the top of the spring (230), the interior of the spring (230) and the connecting frame (240) are both slidably connected to the limiting rod (210), two fixing rods (250) are provided at the top of the connecting frame (240), the tops of the two fixing rods (250) both penetrate the sealing cover (110) and are provided with a connecting plate (260), and two protective boxes ( 270), the inner walls of the two protection boxes (270) are each provided with an auxiliary rod (280), the outer walls of the two auxiliary rods (280) are both slidably connected with a moving plate (290), both sides of one of the moving plates (290) are rotatably connected with a gear (2910), one side of the two gears (2910) are meshed with a rack (2920), one side of the two racks (2920) is fixedly connected to one side of the inner wall of one of the protection boxes (270), one end of one of the protection boxes (270) is slidably connected with a moving frame (2930), one end of the moving frame (2930) is provided with a torque motor (2940), and the output shaft end of the torque motor (2940) passes through the moving frame (2930) and is fixedly connected to one of the gears (2910).

2. A high-pressure cleaning machine overflow valve according to claim 1, characterized in that: A scale (300) is provided on one side of one of the protection boxes (270).

3. The overflow valve for a high-pressure cleaning machine according to claim 1, characterized in that: A connection box (400) is provided on one side of the valve body (100), and a battery is provided inside the connection box (400).

4. The overflow valve for a high-pressure cleaning machine according to claim 3, characterized in that: One end of the valve body (100) is sealed and connected to a liquid outlet pipe (500), and a first thread groove is provided on one side of the liquid outlet pipe (500).

5. The overflow valve for a high-pressure cleaning machine according to claim 4, characterized in that: The valve body (100) is cast from metal chromium.

6. The overflow valve for a high-pressure cleaning machine according to claim 5, characterized in that: The bottom of the valve body (100) is sealed and connected to an external joint (600), a second threaded groove is provided at the bottom of the external joint (600), and a switch panel is provided at one end of the connection box (400).

7. The overflow valve for a high-pressure cleaning machine according to claim 6, characterized in that: The switch panel is provided with a torque motor switch, the torque motor (2940) is electrically connected to the torque motor switch, and the switch panel is electrically connected to the battery.

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