Filtering device of carbon tank electromagnetic valve

Abstract

The utility model discloses a filtering device of a carbon tank electromagnetic valve, and relates to the technical field of electromagnetic valves. The filtering device of the carbon tank electromagnetic valve comprises a cylinder, a connecting assembly is arranged at the bottom of the cylinder, a filtering assembly is arranged in the cylinder, an extrusion attaching assembly is arranged at the top of the cylinder, the connecting assembly comprises a solenoid communicated with the bottom of the cylinder, and a positioning ring is fixedly installed in the solenoid. The connecting assembly comprises a screw tube communicated with the bottom of the cylinder, a positioning ring is fixedly installed in the screw tube, the top of an inserting rod is fixedly connected with the bottom of the buffering ring, a baffle is fixedly installed at the bottom of the inserting rod, and a rubber rod is fixedly installed at the bottom of the baffle. The oil gas filtering device is simple in structure and convenient to use, oil gas can be conveniently filtered in the using process, blockage of the device is avoided, the trafficability of the conical net in the device is improved, meanwhile, the filtering influence on the device is reduced, and the service life of the device is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electromagnetic valve, concretely is a kind of filter device of carbon tank electromagnetic valve. BACKGROUND

[0002] Carbon tank electromagnetic valve is installed on the automobile or motorcycle a kind of device, for reducing fuel evaporation and emission caused gas pollution, while improving fuel efficiency, it is an electromagnetic switch, for opening or closing from carbon tank to intake manifold fuel vapor, existing patent, patent announcement No.CN210583996U, it discloses a kind of filter device of carbon tank electromagnetic valve, including electromagnetic valve main body, installation base, sealing ring and filter assembly, the lower portion of the electromagnetic valve main body is equipped with installation base, the installation base is connected in the bottom of electromagnetic valve main body by buckle, the right side of the electromagnetic valve main body is equipped with carbon tank interface, the right side of the carbon tank interface is fixedly connected filter assembly, the filter assembly includes shell, front end cover, tail end cover and grid baffle.The filter device of a kind of carbon tank electromagnetic valve, by right side of electromagnetic valve main body is additionally provided with filter assembly, when fuel vapor in carbon tank passes through filter assembly, utilize multiple filter screens can filter out large particles in fuel vapor, then the fuel vapor after preliminary filtration will be further filtered by microporous filter membrane from small impurities, improve the quality of fuel to a certain extent, so that it can be more sufficient when burning, overall structure is compact, and practicality is stronger.

[0003] For the related technology in the above, the inventor believes that the following defects exist: in the actual application process, it is not convenient to carry out self-cleaning and anti-blocking operation on the filter element, and it is also not convenient to install and position it during use, which affects the sealing performance of the filter device, resulting in poor filtering effect, therefore, we propose a kind of filter device of carbon tank electromagnetic valve to solve the above problems. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies of the prior art, the utility model provides a kind of filter device of carbon tank electromagnetic valve, solve the problems raised in the above background art.

[0005] To achieve the above object, the utility model is realized by the following technical scheme: a kind of filter device of carbon tank electromagnetic valve, including cylinder, the bottom of the cylinder is provided with connecting assembly, the inside of cylinder is provided with filter assembly, the top of cylinder is provided with extrusion and fitting assembly.

[0006] The connecting assembly includes a screw pipe communicated at the bottom of the cylinder, and a positioning ring is fixedly installed in the inside of the screw pipe.

[0007] The filtering assembly comprises a buffer ring arranged in the cylinder, a conical screen is fixedly arranged on the top of the buffer ring, a limiting ring is fixedly arranged in the screw pipe, a plug rod is inserted on the limiting ring, the top of the plug rod penetrates through the limiting ring and extends to the outside of the limiting ring, the top of the plug rod is fixedly connected with the bottom of the buffer ring, a baffle is fixedly arranged on the bottom of the plug rod, a rubber rod is fixedly arranged on the bottom of the baffle, the bottom of the rubber rod is fixedly connected with the upper surface of the positioning ring, and a reset spring is arranged on the surface of the plug rod.

[0008] The filtering assembly is arranged, which facilitates the filtering operation of oil and gas in use, avoids the blockage of the device, improves the passability of the conical screen in the device, reduces the filtering influence on the device, and prolongs the service life of the device.

[0009] The extrusion fitting assembly comprises an annular groove arranged on the top of the cylinder, an extrusion spring is fixedly arranged on the inner bottom wall of the annular groove, and an extrusion ring is fixedly arranged on the top of the extrusion spring.

[0010] The connecting assembly and the extrusion fitting assembly are arranged, which facilitates the connection and installation of the filtering device in use, avoids the loosening of the device in use, maintains the sealing property of the device connection, facilitates the installation operation of the device, and improves the installation convenience of the device.

[0011] Preferably, a rubber annular ring is arranged on the surface of the screw pipe, and the top of the rubber annular ring is attached to the bottom of the cylinder. The rubber annular ring facilitates the connection between the screw pipe and the electromagnetic valve in use, and increases the connection sealing property between the device and the electromagnetic valve.

[0012] Preferably, the surface of the buffer ring is slidably connected with the inner wall of the cylinder, and the buffer ring is made of rubber. The buffer ring is adapted to the cylinder, and facilitates the positioning of the conical screen in use, so as to facilitate the movement of the conical screen in the cylinder, and maintains the use stability of the whole component.

[0013] Preferably, the top of the reset spring is fixedly connected with the bottom of the limiting ring, the bottom of the reset spring is fixedly connected with the top of the baffle, a rod hole is arranged on the limiting ring for the plug rod to pass through, the inner part of the rod hole is slidably connected with the surface of the plug rod, and the reset spring is arranged. In use, when oil and gas steam passes through, the conical screen will be slightly shaken due to the impact of the conical screen after the conical screen is impacted, and the shaking amplitude is determined according to the impact degree of the conical screen. Subsequently, the conical screen is prevented from being blocked in use.

[0014] Preferably, the surface of the cylinder is sleeved with a positioning ring, the inner wall of the positioning ring is fixedly connected with the surface of the cylinder, the positioning ring is made of rubber, the positioning ring is arranged, the device is conveniently positioned in the using process, the device cannot be positioned in the installing process is avoided, and the stability of device installation is improved.

[0015] Preferably, the inner wall of the annular groove on the cylinder is in sliding connection with the surface of the extrusion ring, the extrusion ring is matched with the annular groove, the cross section of the extrusion ring is T-shaped, the cross section of the extrusion ring is T-shaped, and the sealing performance of the connection between the device and the electromagnetic valve can be improved in the using process.

[0016] Preferably, the surface of the buffer ring is in sliding connection with the inner wall of the cylinder, and the buffer ring can slide in the interior of the cylinder.

[0017] Beneficial effects

[0018] The utility model provides a filter device of carbon tank electromagnetic valve. Compared with prior art has the following beneficial effects:

[0019] The filter device of the carbon tank electromagnetic valve is convenient for filtering oil gas in the using process through the filter assembly, avoids causing the blockage of the device, improves the passability of the conical net in the device, reduces the filtering influence on the device, and prolongs the service life of the device.

[0020] Meanwhile, the connecting assembly and the extrusion fitting assembly are arranged, the filter device is conveniently connected and installed in the using process, the device is prevented from loosening in the using process, the sealing performance of the device connection is maintained, the installation operation of the device is facilitated, and the installation convenience of the device is improved. ACCURACY OF DRAWINGS

[0021] Figure 1 It is a first perspective three-dimensional structure schematic view of the utility model;

[0022] Figure 2 It is a second perspective three-dimensional structure schematic view of the utility model;

[0023] Figure 3 It is a three-dimensional sectional view structure schematic view of the utility model;

[0024] Figure 4 It is the utility model Figure 2 It is an enlarged schematic view of structure A in the utility model;

[0025] Figure 5 It is the utility model Figure 3 It is an enlarged schematic view of structure B in the utility model.

[0026] In the figure: 1, cylinder; 2, connecting assembly; 200, screw pipe; 201, positioning ring; 202, rubber annular ring; 3, filter assembly; 300, buffer ring; 301, conical screen; 302, limiting ring; 303, insertion rod; 304, baffle; 305, rubber rod; 306, return spring; 4, extrusion fitting assembly; 400, extrusion spring; 401, extrusion ring; 5, positioning ring. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0028] Please refer to Figures 1-5 The utility model provides a kind of technical solutions: a kind of filter device of carbon tank solenoid valve, including cylinder 1, the bottom of cylinder 1 is provided with connecting assembly 2, the inside of cylinder 1 is provided with filter assembly 3, the top of cylinder 1 is provided with extrusion fitting assembly 4.

[0029] Connecting assembly 2 includes the screw pipe 200 communicated in the bottom of cylinder 1, the inside of screw pipe 200 is fixedly installed with positioning ring 201.

[0030] Filter assembly 3 includes the buffer ring 300 being arranged in the inside of cylinder 1, the top of buffer ring 300 is fixedly installed with conical screen 301, the inside of screw pipe 200 is fixedly installed with limiting ring 302, insertion rod 303 is inserted on limiting ring 302, the top of insertion rod 303 penetrates limiting ring 302 and extends to the outside of limiting ring 302, the top of insertion rod 303 is fixedly connected with the bottom of buffer ring 300, the bottom of baffle 304 is fixedly installed with rubber rod 305, the bottom of rubber rod 305 is fixedly connected with the upper surface of positioning ring 201, the surface of insertion rod 303 is provided with return spring 306, the filter assembly 3 being arranged, in the process of using, it is convenient to filter operation to oil gas, avoid causing the blockage of device, to improve the passability of conical screen 301 in the device, it also reduces the filtering influence to device, improves the service life of the device.

[0031] The extrusion fitting assembly 4 comprises an annular groove opened at the top of the cylinder 1, the inner bottom wall of the annular groove is fixedly installed with an extrusion spring 400, the top of the extrusion spring 400 is fixedly installed with an extrusion ring 401, the connecting assembly 2 and the extrusion fitting assembly 4 are arranged, which facilitates the connection and installation of the filtering device during use, so as to avoid loosening of the device during use, maintain the sealing of the device connection, facilitate the installation operation of the device, and improve the installation convenience of the device.

[0032] Referring to Figure 2 , the surface of the solenoid tube 200 is sleeved with a rubber annular ring 202, the top of the rubber annular ring 202 is fitted with the bottom of the cylinder 1, and the rubber annular ring 202 is arranged, which facilitates the connection between the solenoid tube 200 and the electromagnetic valve during use, and increases the connection sealing between the device and the electromagnetic valve.

[0033] Referring to Figure 4 , the surface of the buffer ring 300 is slidably connected with the inner wall of the cylinder 1, and the buffer ring 300 is made of rubber, the buffer ring 300 is adapted to the cylinder 1, and the buffer ring 300 is arranged, which facilitates the positioning of the conical net 301 during use, so as to facilitate the movement of the conical net 301 in the interior of the cylinder 1, and maintain the use stability of the whole component.

[0034] Referring to Figure 4 , the top of the reset spring 306 is fixedly connected with the bottom of the limiting ring 302, the bottom of the reset spring 306 is fixedly connected with the top of the baffle 304, and a rod hole is formed in the limiting ring 302 for the insertion rod 303 to pass through, the inner portion of the rod hole is slidably connected with the surface of the insertion rod 303, and the reset spring 306 is arranged, which avoids the blockage of the conical net 301 during use when oil gas vapor passes through, as long as the conical net 301 is impacted after the conical net 301 is impacted, the conical net 301 will be slightly shaken (the shaking amplitude is determined according to the impact force of the conical net 301).

[0035] Referring to Figure 1 , the surface of the cylinder 1 is sleeved with a positioning ring 5, the inner wall of the positioning ring 5 is fixedly connected with the surface of the cylinder 1, and the positioning ring 5 is made of rubber, and the positioning ring 5 is arranged, which facilitates the limiting of the whole device during use, avoids the device from being unable to be limited during installation, and improves the stability of the device installation.

[0036] Referring to Figure 1 , the inner wall of the annular groove on the cylinder 1 is slidably connected with the surface of the extrusion ring 401, and the extrusion ring 401 is adapted to the annular groove, the cross section of the extrusion ring 401 is T-shaped, and the cross section of the extrusion ring 401 is T-shaped, which can increase the sealing of the connection between the device and the electromagnetic valve during use.

[0037] Referring toFigure 2 The surface of the buffer ring 300 is in sliding connection with the inner wall of the cylinder 1, and the buffer ring 300 can slide in the interior of the cylinder 1. The surface of the buffer ring 300 is in sliding connection with the inner wall of the cylinder 1, so that the subsequent buffer ring 300 can drive the cone-shaped net 301 to shake.

[0038] During work, the screw pipe 200 on the device is in threaded connection with the installation position of the carbon tank electromagnetic valve. In the threaded connection process, the rubber annular ring 202 on the surface of the screw pipe 200 is extruded from one side of the positioning component, so that the positioning component is conveniently positioned. Meanwhile, one side of the positioning ring 5 is extruded from one side of the carbon tank electromagnetic valve. Subsequently, the reset spring 306 buffers the plug rod 303 and the buffer ring 300 on the baffle 304 during the filtering process. Meanwhile, the dirt in use can avoid plugging the mesh of the cone-shaped net 301. To some extent, the plugging of the cone-shaped net 301 can be avoided, so that the connection sealing property of the device in use is increased, and the installation and positioning thereof are facilitated.

[0039] Meanwhile, the contents not described in detail in the specification all belong to the prior art known by the person skilled in the art.

Claims

1. A filtering device for a carbon canister solenoid valve comprising a cylinder (1), characterized in that: The bottom of the cylinder (1) is provided with a connecting assembly (2), the inside of the cylinder (1) is provided with a filtering assembly (3), and the top of the cylinder (1) is provided with a squeeze-fitting assembly (4); The connecting assembly (2) comprises a screw pipe (200) communicated at the bottom of the cylinder (1), and the inside of the screw pipe (200) is fixedly installed with a positioning ring (201); The filtering assembly (3) comprises a buffer ring (300) arranged in the inside of the cylinder (1), the top of the buffer ring (300) is fixedly installed with a conical net (301), the inside of the screw pipe (200) is fixedly installed with a limiting ring (302), the limiting ring (302) is inserted with a plug rod (303), the top of the plug rod (303) penetrates through the limiting ring (302) and extends to the outside of the limiting ring (302), the top of the plug rod (303) is fixedly connected with the bottom of the buffer ring (300), the bottom of the plug rod (303) is fixedly installed with a baffle (304), the bottom of the baffle (304) is fixedly installed with a rubber rod (305), the bottom of the rubber rod (305) is fixedly connected with the upper surface of the positioning ring (201), and the surface of the plug rod (303) is circumferentially provided with a return spring (306); The squeeze-fitting assembly (4) comprises an annular groove formed in the top of the cylinder (1), and the inner bottom wall of the annular groove is fixedly installed with a squeeze spring (400), and the top of the squeeze spring (400) is fixedly installed with a squeeze ring (401).

2. The filter device of claim 1, wherein: The surface of the screw pipe (200) is sleeved with a rubber annular ring (202), and the top of the rubber annular ring (202) is attached to the bottom of the cylinder (1).

3. The filter device of claim 1, wherein: The surface of the buffer ring (300) is in sliding connection with the inner wall of the cylinder (1), and the buffer ring (300) is made of rubber, and the buffer ring (300) is adapted to the cylinder (1).

4. The filter device of claim 1, wherein: The top of the return spring (306) is fixedly connected with the bottom of the limiting ring (302), the bottom of the return spring (306) is fixedly connected with the top of the baffle (304), and a rod hole is formed in the limiting ring (302) for the plug rod (303) to pass through, and the inside of the rod hole is in sliding connection with the surface of the plug rod (303).

5. The filter device of claim 1, wherein: The surface of the cylinder (1) is sleeved with a positioning ring (5), and the inner wall of the positioning ring (5) is fixedly connected with the surface of the cylinder (1), and the positioning ring (5) is made of rubber.

6. The filter device of claim 1, wherein: The inner wall of the annular groove of the cylinder (1) is in sliding connection with the surface of the squeeze ring (401), the squeeze ring (401) is adapted to the annular groove, and the cross section of the squeeze ring (401) is T-shaped.

7. The filter device of claim 1, wherein: The surface of the buffer ring (300) is in sliding connection with the inner wall of the cylinder (1), and the buffer ring (300) can slide in the inside of the cylinder (1).

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