CN216158429U

CN216158429U - Sliding seal air valve device

Info

Publication number: CN216158429U
Application number: CN202122160632.2U
Authority: CN
Inventors: 魏招锋; 孟庆东
Original assignee: Suzhou Hengjing Environmental Protection Technology Co ltd
Current assignee: Suzhou Hengjing Environmental Protection Technology Co ltd
Priority date: 2021-09-08
Filing date: 2021-09-08
Publication date: 2022-04-01
Anticipated expiration: 2031-09-08

Abstract

The utility model discloses a sliding sealing air valve device, which consists of an inner sliding plate and an outer frame fixing plate which are non-magnetic, wherein the inner sliding plate is nested in the outer frame fixing plate and is in linear sliding fit with each other, the upper frame and the lower frame of the inner sliding plate are respectively provided with a magnetic suction block, the upper side and the lower side of the outer frame fixing plate are respectively provided with an electromagnet opposite to the magnetic suction blocks, the two electromagnets are connected into an energy supply loop of a direct current power supply through an alternative on-off control switch, the inner sliding plate and the outer frame fixing plate are both provided with openings, and all the openings are coincided and communicated at one end of the sliding stroke of the inner sliding plate and are completely blocked at the other end of the sliding stroke of the inner sliding plate. The utility model has simple structure, low cost, light and thin volume, is suitable for being installed in a machine with limited space, has the characteristics of high switching speed and quick response, and has more stable overall performance.

Description

Sliding seal air valve device

Technical Field

The utility model belongs to the technical field of ventilation system equipment, and particularly relates to a sliding seal air valve device.

Background

The air valve is an indispensable central air-conditioning end fitting in ventilation, air conditioning and air purification engineering of industrial factory buildings and civil buildings, is widely used for heating, ventilation and air conditioning systems of industrial and mining and civil buildings, accurately regulates air flow, and is one of key devices for controlling ventilation modes in various environments. The device has the main characteristics of flexible operation, low noise, small leakage, wide working temperature area, reliable structure, safety and convenience.

The air valves in the market at present are various in types, and the main types of the air valves comprise stop valves, butterfly valves, gate valves and the like. If the automatic control of the air valve is required, an electric actuator is mostly adopted to control the air valve, and besides, the air pressure input can be controlled in a pneumatic mode to adjust the opening or closing of the valve body.

The defects of the prior art are as follows:

1. the structures of the electric air valve and the pneumatic air valve are relatively complex, so that the cost is high;

2. because an electric actuator or a pneumatic structure is added, the valve body has larger volume and is difficult to install in a place with limited space;

3. the switching speed is slow, and the response speed is slow;

4. the feedback sensor has high error rate and is easy to damage the valve body.

Disclosure of Invention

In order to overcome the defects, the utility model aims to provide a sliding seal air valve device.

The technical solution of the utility model for realizing the above purpose is as follows: the utility model provides a sliding seal blast gate device, its characterized in that comprises interior slide and the frame fixed plate that is nonmagnetic, interior slide nested in the frame fixed plate and linear sliding fit each other, the upper and lower frame of interior slide respectively sets up a slice magnetism and inhales the piece, the upper and lower both sides and the magnetism of frame fixed plate are inhaled the piece and respectively are equipped with an electro-magnet relatively, and two electro-magnets insert DC power supply's energy supply return circuit through alternative on-off control's switch, interior slide and frame fixed plate all are equipped with the trompil, and the one end coincidence of slide sliding stroke link up including all trompils, block completely at the other end of slide sliding stroke including.

Preferably, the side frame of the inner sliding plate is provided with a first sliding groove and a second sliding groove, the outer frame fixing plate is a bent single plate which is matched with and contains the inner sliding plate, and the side edge of the outer frame fixing plate is inwards continuously bent and formed with a guide rail which is matched and inserted in the first sliding groove and the second sliding groove.

Preferably, the side frame of the inner sliding plate is distributed with more than one group of limiting holes, the inner walls of the two sides of the outer frame fixing plate are provided with spring pressing plates which are matched with the limiting holes in a positioning mode, and the top ends of the spring pressing plates are provided with punched semicircular limiting convex points which are self-reset, externally expanded and positioned in the limiting holes in a compatible mode.

Preferably, the holes of the inner sliding plate and the outer frame fixing plate are strip-shaped holes which are equidistant, equal in width and parallel, and the distance between the holes is larger than or equal to the width of the holes.

Preferably, the holes of the inner sliding plate and the outer frame fixing plate are all row holes arranged at intervals along the sliding direction of the inner sliding plate, more than two through holes with regular shapes or special shapes are arranged in each row hole in a distributed mode, and the distance between the row holes is larger than or equal to the maximum width of any through hole.

Preferably, frame fixed plate upside border or downside border an organic whole connect to be equipped with the fixed box, the electro-magnet dress connects compatibly in the fixed box and to the external threading access energy supply return circuit.

Preferably, the magnetic suction block is a sheet type galvanized iron block with the thickness of 2 mm.

Preferably, in the energy supply loop, one group of lines with the same polarity of the two electromagnets is directly connected to the corresponding polarity of the dc power supply, the other group of lines with the same polarity of the two electromagnets is connected to the switch with the alternative on-off control, and is connected to the corresponding polarity of the dc power supply through the switch output end, and the switch is a single-pole double-throw manual switch or a remote automatic line selector.

Preferably, grease for reducing sliding resistance is applied between the inner slide plate and the outer frame fixing plate.

The utility model has the beneficial effects that:

1. the device has simple structure, low cost and stable performance;

2. the device has small volume, is light, thin and easy to install, and is suitable for being installed in a machine with limited space;

3. the device has the characteristics of high switching speed and quick response, and can complete the switching action of the valve body within 0.5s only by electrifying the electromagnet.

4. The device is simple and convenient to operate byMicro switch or infrared pair tubeThe on-off state of the valve body is easily detected, the error rate is low, the performance is stable, even if the on-off monitoring is wrong, the normal work of the valve body is not influenced, and the valve body cannot be damaged.

Drawings

FIG. 1 is a front view of the inner slide of the present invention.

FIG. 2 is a top view of the inner slide of the present invention.

Fig. 3 is a front view of the outer frame fixing plate of the present invention.

Fig. 4 is a plan view of the outer frame fixing plate of the present invention.

Fig. 5 is a diagram of the working state of the electromagnet when the power supply loop is connected.

Fig. 6 is a working state diagram of the electromagnet in power failure when the power supply loop is connected.

1-inner sliding plate, 11-first sliding groove, 12-second sliding groove, 14-magnetic attraction block, 16-second sliding groove, 2-outer frame fixing plate, 21-guide rail, 22-electromagnet, 3-switch and 4-direct current power supply.

Detailed Description

The following detailed description is made with reference to fig. 1-6 to make the technical solution of the present invention easier to understand and grasp, so as to define the protection scope of the present invention more clearly.

The utility model discloses a sliding sealing air valve device which comprises an inner sliding plate 1 and an outer frame fixing plate 2 which are nonmagnetic, wherein the inner sliding plate 1 is nested in the outer frame fixing plate 2 and is in linear sliding fit with the outer frame fixing plate 2, in the embodiment, the inner sliding plate 1 and the outer frame fixing plate 2 are made of SUS304 materials, a side frame of the inner sliding plate 1 is provided with a first sliding chute 11 and a second sliding chute 12, the outer frame fixing plate 2 is a bent single plate which is matched and contained with the inner sliding plate 1, and the side edge of the outer frame fixing plate 2 is continuously bent inwards to form a guide rail 21 which is matched and inserted in the first sliding chute 11 and the second sliding chute 12.

Further, the upper and lower frame of interior slide 1 respectively sets up a slice magnetism and inhales piece 14, in order to reach better result of use to increase of service life, the slice galvanized iron piece that 2mm is thick is chooseed for use here, and the upper and lower both sides of frame fixed plate 2 respectively are equipped with an electro-magnet 22 with magnetism the relative department of inhaling piece 14, and two electro-magnets are through alternative on-off control switch 3 access in the return circuit of direct current power supply 4 energy supply. The upper side edge or the lower side edge of the outer frame fixing plate 2 is integrally connected with a fixing box for fixing the electromagnet, and the electromagnet is arranged in the fixing box and is inserted into the energy supply loop through an external threading.

Furthermore, in the energy supply loop, one group of lines with the same polarity of the two electromagnets is directly connected to the corresponding polarity of the direct current power supply, and the other group of lines with the same polarity of the two electromagnets is connected to the switch 3 with the alternative on-off control, and is connected to the corresponding polarity of the direct current power supply 4 through the output end of the switch 3. When the electromagnet is electrified, two magnets with opposite magnetism are formed between the electromagnet 22 and the magnetic block 14, and at the moment, the two magnets are adsorbed together due to the electromagnetic attraction, so that the sliding strokes of the inner sliding plate 1 and the outer frame fixing plate 2 are overlapped; when the electromagnet is powered off, the electromagnet 22 and the magnetic block 14 become two magnets with the same magnetism, and at this time, the two magnets repel each other due to the electromagnetic attraction, so that the sliding strokes of the inner sliding plate 1 and the outer frame fixing plate 2 are staggered with each other. The switch 3 is a single pole double throw manual switch or a remote automatic line selector.

Interior slide 1 and frame fixed plate 2 all are equipped with the trompil, and all trompils link up including the coincidence of the one end of slide 1 sliding stroke, block completely at the other end of slide 1 sliding stroke including. When the electromagnet is powered on, all the openings are communicated, the air valve is in an open state, when the electromagnet is powered off, all the openings are blocked, and the air valve is in a closed state.

The form of the holes is not limited to one, and the holes can be arranged in rows at intervals along the sliding direction of the inner sliding plate 1, more than two through holes with regular shapes or special shapes are arranged in each row of holes in a distributed manner, and the distance between the rows of holes is larger than or equal to the maximum width of any through hole. The openings can be parallel bar-shaped holes with equal spacing and equal width, and the spacing of the openings is greater than or equal to the width of the openings, and alternative designs formed by equivalent replacement or equivalent transformation by those skilled in the art are all within the scope of the utility model claimed.

The side frame of interior slide 1 distributes and is equipped with a set of more than spacing hole, and the both sides inner wall of frame fixed plate 2 is equipped with the spring preforming that matches with spacing hole location, and the spring preforming top is equipped with from the reset and outwards expands and compatible the spacing bump of punching press semi-circular who is positioned among spacing hole. After the valve body is opened and closed, the electromagnet is powered off, the inner sliding plate 1 and the outer frame fixing plate 2 are in butt joint with the limiting hole through the punched semicircular limiting salient point at the top end of the limiting spring pressing sheet and are limited, the valve body does not move any more, and the working state of the valve body is not affected.

Lubricating grease is coated between the inner sliding plate 1 and the outer frame fixing plate 2 for lubricating the valve body, reducing the sliding resistance of the valve body and prolonging the service life.

In conclusion, the scheme introduction and the embodiment detailed description of the utility model show that the utility model has the advantages of simple structure, low cost and stable performance; the two electromagnets are used for controlling the valve body to be opened and closed, the whole device has the characteristics of high opening and closing speed and quick response, and the valve body can be opened and closed within 0.5s only by electrifying the electromagnets. In addition, the utility model has smaller volume, is light, thin and easy to install, and is particularly suitable for being installed in machines with limited space. This device is easy and simple to handle, through micro-gap switch or infrared geminate transistor all can detect the valve body on-off state more easily, the error rate is low, and the performance is comparatively stable, even switch monitoring error still does not influence the normal work of valve body, also can not cause the damage to the valve body.

In addition to the above embodiments, the present invention may have other embodiments, and any technical solutions formed by equivalent substitutions or equivalent transformations are within the scope of the present invention as claimed.

Claims

1. The utility model provides a sliding seal blast gate device, its characterized in that comprises interior slide (1) and frame fixed plate (2) that are nonmagnetic, interior slide (1) nestification just linear sliding fit each other among frame fixed plate (2), the upper and lower frame of interior slide (1) respectively sets up a slice magnetism and inhales piece (14), the upper and lower both sides and magnetism of frame fixed plate (2) inhale piece (14) and respectively are equipped with an electro-magnet (22) relatively, and two electro-magnets insert DC power supply (4) energy supply return circuit through alternative on-off control's switch (3), interior slide (1) and frame fixed plate (2) all are equipped with the trompil, and slide (1) sliding stroke's one end coincidence link up including all trompils, block completely including the other end of slide (1) sliding stroke.

2. A sliding seal damper assembly according to claim 1, further comprising: the side frame of the inner sliding plate (1) is provided with a first sliding groove (11) and a second sliding groove (12), the outer frame fixing plate (2) is a bending forming single plate which is matched with and contains the inner sliding plate (1), and the side edge of the outer frame fixing plate (2) is inwards continuously bent and formed with a guide rail (21) which is matched and inserted into the first sliding groove (11) and the second sliding groove (12).

3. A sliding seal damper assembly according to claim 1, further comprising: the side frame of interior slide (1) distributes and is equipped with a set of more than spacing hole, the both sides inner wall of frame fixed plate (2) is equipped with the spring preforming that matches with spacing hole location, and the spring preforming top is equipped with from the reset and outwards expands, compatible location in spacing downthehole punching press semi-circular spacing bump.

4. A sliding seal damper assembly according to claim 1, further comprising: the holes of the inner sliding plate (1) and the outer frame fixing plate (2) are strip-shaped holes which are equidistant, equidistant and parallel, and the distance between the holes is larger than or equal to the width of the holes.

5. A sliding seal damper assembly according to claim 1, further comprising: the holes of the inner sliding plate (1) and the outer frame fixing plate (2) are all arranged holes which are arranged at intervals along the sliding direction of the inner sliding plate, more than two through holes with regular shapes or special shapes are arranged in each row of holes in a distributed mode, and the distance between every two through holes is larger than or equal to the maximum width of any through hole.

6. A sliding seal damper assembly according to claim 1, further comprising: frame fixed plate (2) upside border or downside border an organic whole connect and are equipped with the fixed box, the electro-magnet dress connects compatibly in the fixed box and to outer threading access energy supply return circuit.

7. A sliding seal damper assembly according to claim 1, further comprising: the magnetic suction block is a sheet type galvanized iron block with the thickness of 2 mm.

8. A sliding seal damper assembly according to claim 1, further comprising: in the energy supply loop, a group of lines with the same polarity of two electromagnets are directly connected into the corresponding polarity of the direct-current power supply, another group of lines with the same polarity of the two electromagnets are connected into the switch (3) with alternative on-off control, the corresponding polarity of the direct-current power supply (4) is connected through the output end of the switch (3), and the switch (3) is a single-pole double-throw manual switch or a remote automatic line selector.

9. A sliding seal damper assembly according to claim 1, further comprising: lubricating grease for reducing sliding resistance is coated between the inner sliding plate (1) and the outer frame fixing plate (2).