A vacuum cleaning wall valve and hose connector assembly

Abstract

The utility model discloses a wall valve and hose joint assembly of vacuum cleaning, including wall valve, wall valve end cover, torsional spring, metal plug connector, sealing ring, dust collection hose, proximity switch, pin shaft, the wall valve is the hollow pipe body of left and right two ends opening, middle cavity, and the left side outer wall is equipped with the threaded section, and the upper portion of the section is equipped with sensor installation stand, and the right side upper portion is equipped with the hinged seat, be equipped with the installation through -hole on the sensor installation stand, the proximity switch is horizontally worn in the installation through -hole, and is fixed on the sensor installation stand through the nut, wall valve end cover includes response vertical board, connecting lug seat, cover plate, and the left side of response vertical board corresponds with the proximity switch, the wall valve and hose joint assembly of vacuum cleaning of the utility model, its structure design is simple and reasonable, and stable and reliable operation, convenient to use, and metal plug connector and wall valve plug in convenient, can simply and effectively monitor whether the connecting portion of metal plug connector and wall valve is loose, displacement.

Description

Technical Field

[0001] This utility model relates to the field of dust removal equipment technology, and in particular to a wall valve and hose connector assembly for vacuum cleaning. Background Technology

[0002] A vacuum cleaning system is a high-negative-pressure dust collection system. Its principle is similar to that of a household vacuum cleaner. In order to achieve intensive, large-scale and energy-saving operation, it adopts a principle similar to that of a central air conditioning system. Multiple vacuum cleaning points share a single vacuum pumping device and a dust collection and processing device. Multiple vacuum cleaning points are connected to the dust collection and processing device through pipes.

[0003] The vacuum valve of the vacuum cleaning system and the handheld vacuum hose (which is only inserted during cleaning) are usually plugged in and unplugged. If the plugging and unplugging are not secure, the vacuum hose and the vacuum valve can easily loosen and slip out during vacuuming, or even fall off. Once the vacuum hose falls off, it is time to reconnect the vacuum hose to the valve, which is labor-intensive and resource-intensive, and affects the efficiency of the operation.

[0004] To address the aforementioned issues, this application provides a wall valve and hose connector assembly for vacuum cleaning. When the vacuum hose and valve become loose but before the hose connector falls off, the assembly sends a signal to the control system via a sensor to shut down the vacuum cleaning system, reminding the user to check the connection between the hose connector and the valve body and to tighten the hose connector. Utility Model Content

[0005] The purpose of this utility model is to provide a vacuum cleaning wall valve and hose connector assembly, which has a simple and reasonable structural design, stable and reliable operation, and is easy to use. The metal plug is easy to connect to the wall valve, and it can easily and effectively monitor whether the connection between the metal plug and the wall valve is loose or displaced.

[0006] To solve the above-mentioned technical problems, the technical solution of this utility model is as follows:

[0007] A vacuum cleaning wall valve and hose connector assembly includes a wall valve, a wall valve end cap, a torsion spring, a metal connector, a sealing ring, a vacuum hose, a proximity switch, and a pin.

[0008] The wall valve is a hollow tube with openings at both ends and a cavity in the middle. It has a threaded section on the outer wall of the left side, a sensor mounting bracket on the upper part of the middle section, and a hinge seat on the upper right side.

[0009] The sensor mounting bracket is provided with a mounting through hole; the proximity switch is horizontally inserted into the mounting through hole and fixed to the sensor mounting bracket by a nut; the left end of the proximity switch is connected to a signal line, which is electrically connected to the control system.

[0010] The wall valve end cover includes a sensing plate, a connecting lug, and a cover plate. The wall valve end cover is a one-piece molded metal sheet. The connecting lug is hinged to the hinge seat via a pin; the torsion spring is sleeved on the outer wall of the pin, providing a spring force for the wall valve end cover to rotate clockwise.

[0011] The metal connector is a hollow tube with openings at both ends and a cavity in the middle. It has two annular grooves on its left outer wall, an annular boss in its middle section, and a hose connector on its right side for connecting to the left end of the vacuum hose.

[0012] The sealing ring is fitted onto the annular groove;

[0013] The left end of the metal connector is inserted into the cavity of the wall valve, and its outer wall is tightly fitted to the inner wall of the wall valve. After squeezing the sealing ring, it is tensioned and fitted.

[0014] The vacuum hose is a plastic tube with open ends and a hollow middle section. It includes a sleeve connection section, a detection section, and a hose section. The sleeve connection section is used to fit over the hose connector, the detection section is used to fit and support the cover plate, and the hose section is used to move the position and orientation of the vacuum hose during cleaning.

[0015] The diameter of the detection section is larger than that of the sleeve connection section, preferably 5mm-20mm larger.

[0016] When the metal connector is tightly plugged into the wall valve, the right end of the wall valve end cap is against the outer wall of the detection section, ensuring the distance between the sensing plate and the proximity switch is the working distance. When the metal connector becomes loose and slides out to the right, the right end of the wall valve end cap will be against the outer wall of the sleeve connection section, causing the wall valve end cap to rotate clockwise by a certain angle, resulting in a greater distance between the sensing plate and the proximity switch. The proximity switch sends a signal to the control system to shut down the equipment as a warning that the vacuum hose has become loose and has slipped out of the wall valve connection.

[0017] When cleaning is not required, pull the metal connector out of the wall valve. Due to the force of the torsion spring, the wall valve end cap will tightly cover the opening on the right side of the wall valve.

[0018] The beneficial effects of this utility model are:

[0019] Its structural design is simple and reasonable, and its operation is stable and reliable. It is easy to use, and the metal plug can be easily plugged into the wall valve. It can easily and effectively monitor whether the connection between the metal plug and the wall valve is loose or displaced, and keep the metal plug stable in time to prevent the metal plug from detaching from the wall valve. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of a vacuum cleaning wall valve and hose connector assembly according to the present invention;

[0021] Figure 2 This is an exploded view of the structure of a vacuum cleaning wall valve and hose connector assembly according to the present invention;

[0022] Figure 3 This is a front view of a vacuum cleaning wall valve and hose connector assembly according to the present invention;

[0023] Figure 4 This is a top view of a vacuum cleaning wall valve and hose connector assembly according to the present invention;

[0024] Figure 5 for Figure 4 Cross-sectional view along the BB direction;

[0025] Figure 6 for Figure 2 A magnified view of a portion of the image. Detailed Implementation

[0026] The specific embodiments of this utility model will be further described below with reference to the accompanying drawings. It should be noted that these descriptions are for the purpose of aiding understanding of this utility model, but do not constitute a limitation thereof. Furthermore, the technical features involved in the various embodiments of this utility model described below can be combined with each other as long as they do not conflict with each other.

[0027] like Figures 1-6 The present invention relates to a vacuum cleaning wall valve and hose connector assembly, comprising a wall valve 1, a wall valve end cap 2, a torsion spring 3, a metal plug 4, a sealing ring 5, a vacuum hose 6, a proximity switch 7, and a pin 8.

[0028] The wall valve 1 is a hollow tube with openings at both ends and a cavity in the middle. It has a threaded section 11 on its left outer wall, a sensor mounting bracket 12 on the upper part of the middle section, and a hinge seat 13 on the upper right side.

[0029] The sensor mounting bracket 12 is provided with a mounting through hole; the proximity switch 7 is horizontally inserted into the mounting through hole and fixed to the sensor mounting bracket 12 by a nut 9; the left end of the proximity switch 7 is connected to a signal line, which is electrically connected to the control system.

[0030] The wall valve end cover 2 includes a sensing plate 21, a connecting lug 22, and a cover plate 23. The wall valve end cover 2 is an integrally formed metal sheet. The connecting lug 22 is hinged to the hinge seat 13 via a pin 8; the torsion spring 3 is sleeved on the outer wall of the pin 8, providing a spring force for the wall valve end cover 2 to rotate clockwise. The left side of the sensing plate corresponds to the proximity switch.

[0031] The metal connector 4 is a hollow tube with openings at both ends and a cavity in the middle. It has two annular grooves on its left outer wall, an annular protrusion 42 in its middle section, and a hose connector 43 on its right side for connecting to the left end of the vacuum hose 6.

[0032] The sealing ring 5 is fitted onto the annular groove;

[0033] The left end of the metal connector 4 is inserted into the cavity of the wall valve 1, and its outer wall is tightly fitted to the inner wall of the wall valve 1. After squeezing the sealing ring 5, it is tensioned and fitted.

[0034] The vacuum hose 6 is a plastic tube with open ends and a hollow middle section. It includes a sleeve connection section 61, a detection section 62, and a hose section 63. The sleeve connection section 61 is used to fit over the hose connector 43, the detection section 62 is used to fit and support the cover plate 23, and the hose section 63 is used to move the position and orientation of the vacuum hose 6 during cleaning.

[0035] The diameter of the detection section 62 is larger than that of the sleeve connection section 61, preferably 5mm-20mm larger than that of the sleeve connection section 61.

[0036] When the metal connector 4 is tightly connected to the wall valve 1, the right end of the wall valve end cap 2 is against the outer wall of the detection section 62, making the distance between the sensing plate 21 and the proximity switch 7 the working distance. When the metal connector 4 becomes loose and slides to the right, the right end of the wall valve end cap 2 will be against the outer wall of the sleeve connection section 61, causing the wall valve end cap 2 to rotate clockwise by a certain angle, resulting in a greater distance between the sensing plate 21 and the proximity switch 7. The proximity switch 7 sends a signal to the control system to shut down the equipment as a warning that the vacuum hose 6 is loose and has slipped out of the wall valve 1.

[0037] When cleaning is not required, pull the metal connector 4 out of the wall valve 1. Under the action of the torsion spring 3, the wall valve end cap 2 will tightly cover the opening on the right side of the wall valve 1.

[0038] The embodiments of this utility model have been described in detail above with reference to the accompanying drawings, but this utility model is not limited to the described embodiments. For those skilled in the art, various changes, modifications, substitutions, and alterations to these embodiments without departing from the principles and spirit of this utility model will still fall within the protection scope of this utility model.

Claims

1. A wall valve and hose connector assembly for vacuum cleaning, characterized in that: Includes wall valve, wall valve end cap, torsion spring, metal connector, sealing ring, vacuum hose, proximity switch, and pin; The wall valve is a hollow tube with openings at both ends and a cavity in the middle. It has a threaded section on the outer wall on the left, a sensor mounting bracket on the upper part of the middle section, and a hinge seat on the upper right. The sensor mounting bracket is provided with a mounting through hole; the proximity switch is horizontally inserted into the mounting through hole and fixed to the sensor mounting bracket by a nut. The wall valve end cover includes a sensing plate, a connecting lug, and a cover plate. The wall valve end cover is an integrally formed metal sheet. The connecting lug is hinged to the hinge seat via a pin. The torsion spring is sleeved on the outer wall of the pin. The left side of the sensing plate corresponds to the proximity switch. The metal connector is a hollow tube with openings at both ends and a cavity in the middle. It has two annular grooves on its left outer wall, an annular boss in its middle section, and a hose connector on its right side for connecting to the left end of the vacuum hose. The sealing ring is fitted onto the annular groove; The left end of the metal connector is inserted into the cavity of the wall valve, and its outer wall is tightly fitted to the inner wall of the wall valve.

2. The wall valve and hose connector assembly for vacuum cleaning according to claim 1, characterized in that: The vacuum hose is a plastic tube with open ends and a hollow middle section. It includes a sleeve connection section, a detection section, and a hose section. The sleeve connection section is used to fit over the hose connector, and the detection section is used to support the cover plate.

3. The vacuum cleaning wall valve and hose connector assembly according to claim 2, characterized in that: The diameter of the detection section is larger than the diameter of the sleeve connection section.

4. The wall valve and hose connector assembly for vacuum cleaning according to claim 3, characterized in that: The diameter of the detection section is 5mm-20mm larger than the diameter of the sleeve connection section.

5. The wall valve and hose connector assembly for vacuum cleaning according to claim 3, characterized in that: When the metal connector is tightly connected to the wall valve, the right end of the wall valve end cap is attached to the outer wall of the detection section.

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