Electromagnetic valve of balanced valve element structure for rail transit

Abstract

The utility model relates to the technical field of balance valves, and discloses an electromagnetic valve of a balance type valve element structure for rail transit, which comprises a valve body, flanges are fixedly connected to two sides of the valve body, a screw penetrates through the top end of the valve body in a threaded manner, a handle is fixedly connected to the top end of the screw, and a valve plug is fixedly connected to the bottom end of the screw. A filter screen cylinder is connected into the valve body in a clamped mode. According to the technical scheme, the filter screen cylinder can be clamped at the water inlet of the valve body, the limiting plate outside the filter screen cylinder can be clamped in the limiting groove, the installation stability of the filter screen cylinder can be improved, then the limiting plate is further fixed through the bolt, and therefore the installation firmness of the filter screen cylinder is improved, and the service life of the filter screen cylinder is prolonged. The filter screen cylinder can filter impurities in flowing substances entering the valve body, the later cleaning difficulty of the valve body is reduced, the impurities are prevented from adhering to the valve plug, the sealing effect of the valve plug is not affected, disassembly is convenient and fast, and disassembly, cleaning or replacement of the filter screen cylinder is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to balance valve technical field, concretely is a kind of electromagnetic valve of balance formula valve core structure for rail transit. BACKGROUND

[0002] Balancing valve is a kind of valve with special function, and the valve itself has no special feature, only the use function and the place have difference. In some industries, due to the medium (all kinds of flowable substances) in the pipe or container there is a large pressure difference or flow difference in each part, in order to reduce or balance the difference, the valve is installed between the corresponding pipe or container, to adjust the relative balance of pressure on both sides, or through the method of shunting to achieve the balance of flow, the valve is called balancing valve, and the balancing valve is applied in various fields, including rail transit.

[0003] The patent document with the published announcement number CN209638502U discloses a kind of balance electromagnetic valve, including electromagnetic valve body, wherein, electromagnetic valve body includes valve body, fixed rod, coil, coil is set to the periphery of fixed rod, the top of valve body is equipped with the connecting groove of connecting fixed rod, fixed rod inside is equipped with the fixed chamber of placing static iron core and moving iron core, the top of moving iron core is equipped with the limiting slot of placing spring, one end of spring is placed in limiting slot, the other end of spring and the bottom of static iron core contact connection, static iron core is away from one end of spring and projects fixed rod, moving iron core is away from one end of spring and is connected with valve body, valve body inside is equipped with the flow-through chamber of connecting moving iron core, the both ends of valve body are equipped with water inlet and water outlet respectively and are communicated with flow-through chamber, moving iron core is away from one end of spring and is equipped with water inlet through hole communicated with flow-through chamber, moving iron core is also equipped with water outlet through hole communicated with water inlet through hole.

[0004] The above-mentioned patent in use, since flowing substance can contain impurities, easy to stick in the inside of electromagnetic valve body, increase the subsequent cleaning difficulty, and impurities can affect the sealing effect of valve plug to valve body, therefore, need a kind of electromagnetic valve of balance formula valve core structure for rail transit. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of electromagnetic valve of balance formula valve core structure for rail transit, solve the problem proposed in background art.

[0006] The embodiment of the application provides an electromagnetic valve with a balanced valve core structure for rail transit, which comprises a valve body, flanges fixedly connected to both sides of the valve body, a screw rod threaded through the top end of the valve body, a handle fixedly connected to the top end of the screw rod, a valve plug fixedly connected to the bottom end of the screw rod, a filter screen barrel clamped in the valve body, and a limiting plate fixedly connected to the outer wall of the filter screen barrel, wherein a limiting groove is formed in the outer wall of one of the flanges, the limiting plate is clamped in the limiting groove, and a bolt is threaded through the limiting plate and screwed with the flange.

[0007] In use, first, the screw rod is rotated by the handle, the screw rod drives the valve plug to move up and down, the gap between the valve plug and the inner cavity of the valve body is changed, the flow resistance of fluid flowing through the valve body is changed, the flow is adjusted, the filter screen barrel is clamped at the water inlet of the valve body, the limiting plate outside the filter screen barrel is clamped in the limiting groove, the stability of the filter screen barrel installation is improved, the limiting plate is further fixed by the bolt, the firmness of the filter screen barrel installation is improved, the filter screen barrel can filter impurities in the flowing material entering the valve body, the cleaning difficulty of the valve body in the later period is reduced, and the impurities are prevented from adhering to the valve plug, so as to avoid affecting the sealing effect of the valve plug, the filter screen barrel is convenient to disassemble, clean or replace.

[0008] Optionally, the valve body on one side of the filter screen barrel is a water inlet, and the valve body away from the filter screen barrel is a water outlet.

[0009] By adopting the above technical scheme, the filter screen barrel can filter impurities at the water inlet of the valve body.

[0010] Optionally, a fixing hole matched with the bolt is formed in the limiting plate.

[0011] By adopting the above technical scheme, the installation of the bolt is facilitated.

[0012] Optionally, four mounting holes are annularly formed in the flange.

[0013] By adopting the above technical scheme, the connection of the valve body and the pipeline is facilitated.

[0014] Optionally, the filter screen barrel is made of stainless steel.

[0015] By adopting the above technical scheme, the anti-rust property and the impact resistance of the filter screen barrel are improved, and the service life of the filter screen barrel is prolonged.

[0016] Optionally, four limiting plates are arranged, and the four limiting plates are annularly distributed.

[0017] By adopting the technical scheme, stability of installation of the filter screen cylinder can be improved.

[0018] Optionally, an inner cavity matched with the valve plug is arranged in the valve body.

[0019] By adopting the technical scheme, the opening or closing of the valve body can be realized, and the sealing performance of the valve body when closed can be ensured.

[0020] Compared with the prior art, the technical scheme has the following beneficial effects:

[0021] The filter screen cylinder can be clamped at the water inlet of the valve body, the limiting plate outside the filter screen cylinder can be clamped inside the limiting groove, the stability of installation of the filter screen cylinder can be improved, the limiting plate is further fixed by the bolt, the stability of installation of the filter screen cylinder is improved, the filter screen cylinder can filter impurities in the flowing material entering the valve body, the difficulty of cleaning the valve body in the later period is reduced, and the impurities are prevented from adhering to the valve plug, so that the sealing effect of the valve plug is not affected, the filter screen cylinder is convenient to disassemble, and the filter screen cylinder is convenient to disassemble, clean or replace. BRIEF DESCRIPTION OF DRAWINGS

[0022] Other features, objects and advantages of the present application will become more apparent from the following detailed description of non-limiting embodiments, read in conjunction with the accompanying drawings:

[0023] Figure 1 It is a whole structure schematic view of the electromagnetic valve of the balance type valve spool structure for rail transit of the present application;

[0024] Figure 2 It is a sectional structure schematic view of the electromagnetic valve of the balance type valve spool structure for rail transit of the present application;

[0025] Figure 3 It is an enlarged schematic view of the A area structure of the electromagnetic valve of the balance type valve spool structure for rail transit of the present application;

[0026] Figure 4 It is a structure schematic view of the filter screen cylinder of the electromagnetic valve of the balance type valve spool structure for rail transit of the present application.

[0027] In the drawings: 1, filter screen cylinder; 2, flange; 3, mounting hole; 4, valve body; 5, screw rod; 6, handle; 7, valve plug; 8, limiting plate; 9, bolt; 10, limiting groove; 11, fixing hole. DETAILED DESCRIPTION

[0028] Please refer to Figures 1-4The utility model provides a technical scheme: a solenoid valve of balance formula valve core structure for rail transit, including valve body 4, both sides of valve body 4 are fixedly connected with flange 2, the top end screw thread of valve body 4 is equipped with screw rod 5, the top end fixedly connected with handle 6 of screw rod 5, the bottom fixedly connected with valve plug 7 of screw rod 5, the inside of valve body 4 is connected with filter screen cylinder 1, the outer wall fixedly connected with limiting board 8 of filter screen cylinder 1, the outer wall of one flange 2 is equipped with limiting groove 10, limiting board 8 is clamped in the inside of limiting groove 10, the bolt 9 is equipped with on limiting board 8, and the bolt 9 is connected with flange 2 threadedly.

[0029] In the technical scheme of the utility model, Figure 1 As shown, the water inlet is located at one side of the filter screen cylinder 1, and the water outlet is located at the side away from the filter screen cylinder 1 of the valve body 4; the filter screen cylinder 1 is beneficial to filter the impurities at the water inlet of the valve body 4.

[0030] In the technical scheme of the utility model, Figure 4 As shown, the limiting board 8 is equipped with a fixing hole 11 matched with the bolt 9; the installation of the bolt 9 is facilitated.

[0031] In the technical scheme of the utility model, Figure 1 As shown, the flange 2 is equipped with four mounting holes 3 in a ring shape; the connection of the valve body 4 and the pipeline is facilitated.

[0032] In the technical scheme of the utility model, Figure 1 As shown, the filter screen cylinder 1 is made of stainless steel metal material; the anti-corrosion and anti-impact properties of the filter screen cylinder 1 are improved, thereby prolonging the service life of the filter screen cylinder 1.

[0033] In the technical scheme of the utility model, Figure 1 As shown, the limiting board 8 is equipped with four limiting boards 8 in a ring shape; the stability of the installation of the filter screen cylinder 1 is improved.

[0034] In the technical scheme of the utility model, Figure 2 As shown, the valve body 4 is equipped with an inner cavity matched with the valve plug 7; the opening or closing of the valve body 4 is facilitated, and the sealing property of the valve body 4 when closed is ensured.

[0035] In use, first, the screw rod 5 can be rotated by the handle 6, the valve plug 7 is driven to move up and down, the gap between the valve plug 7 and the inner cavity of the valve body 4 is changed, the flow resistance of fluid flowing through the valve body 4 is changed, the balance of the flow is adjusted, the filter screen cylinder 1 can be clamped at the water inlet of the valve body 4, the limiting plate 8 outside the filter screen cylinder 1 can be clamped inside the limiting groove 10, the stability of the installation of the filter screen cylinder 1 is improved, then the limiting plate 8 is further fixed by the bolt 9, the stability of the installation of the filter screen cylinder 1 is improved, the filter screen cylinder 1 can filter the impurities in the flowing material entering the valve body 4, the cleaning difficulty of the valve body 4 in the later period is reduced, and the impurities are prevented from adhering to the valve plug 7, so that the sealing effect of the valve plug 7 is not affected, the filter screen cylinder 1 is convenient to disassemble, and the filter screen cylinder 1 is convenient to disassemble, clean or replace.

[0036] The above only provides preferred embodiments of the utility model and is not used for limiting the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical scheme recorded in the foregoing embodiments can still be modified, or part of the technical features can be replaced equivalently. Any modification, equivalent replacement, improvement and the like within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An electromagnetic valve of a balanced valve spool structure for rail transit, characterized by: Including the valve body (4), both sides of the valve body (4) are fixedly connected with flange (2), the top end of the valve body (4) is threaded with screw rod (5), the top end of the screw rod (5) is fixedly connected with handle (6), the bottom end of the screw rod (5) is fixedly connected with valve plug (7), the inside of the valve body (4) is clamped with filter screen cylinder (1), the outer wall of the filter screen cylinder (1) is fixedly connected with limit plate (8), the outer wall of one of the flange (2) is provided with limit slot (10), the limit plate (8) is clamped in the inside of limit slot (10), the limit plate (8) is provided with bolt (9), the bolt (9) is screwed with flange (2).

2. The electromagnetic valve according to claim 1, wherein The valve body (4) is located on one side of the filter screen cylinder (1) and is the water inlet, and the side of the valve body (4) away from the filter screen cylinder (1) is the water outlet.

3. The electromagnetic valve according to claim 1, wherein The limit plate (8) is provided with fixed hole (11) matched with bolt (9).

4. The electromagnetic valve according to claim 1, wherein The flange (2) is provided with four mounting holes (3) in the shape of a ring.

5. The electromagnetic valve according to claim 1, wherein The filter screen cylinder (1) is made of stainless steel metal material.

6. The electromagnetic valve according to claim 1, wherein The limit plate (8) is provided with four, and the four limit plates (8) are distributed in the shape of a ring.

7. The electromagnetic valve according to claim 1, wherein The inside of the valve body (4) is provided with inner cavity matched with valve plug (7).

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