Valve body structure of electromagnetic cartridge reversing valve

Abstract

The utility model relates to the technical field of valves, in particular to a valve body structure of an electromagnetic cartridge reversing valve, which comprises a valve body and a radiating structure mounted on the valve body. Wherein a cooling cavity is formed between the heat dissipation structure and the valve body, and a liquid inlet one-way valve and a liquid outlet one-way valve are arranged on the heat dissipation structure; a piston body capable of being controlled by an electromagnetic structure of the valve body reciprocates in the cooling cavity; when the piston body moves to the liquid inlet posture, cooling liquid is introduced into the cooling cavity from the liquid inlet one-way valve; when the piston body moves to the liquid discharging posture, the cooling liquid in the cooling cavity is discharged out of the cooling cavity from the liquid discharging one-way valve; according to the electromagnetic cartridge reversing valve, heat generated during operation of the electromagnetic cartridge reversing valve can be taken away in time by introducing cooling liquid into the cooling cavity, and continuous and stable operation of the electromagnetic cartridge reversing valve is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve technical field, especially a valve body structure of electromagnetic cartridge valve. BACKGROUND

[0002] The electromagnetic cartridge valve is one of important components in hydraulic system, and through continuous power on and power off, the electromagnetic cartridge valve can control the reversing control of liquid.

[0003] At present, because the electromagnetic cartridge valve needs frequent power on to control the spool activity of the electromagnetic cartridge valve when using, the electromagnetic assembly often appears heating phenomenon, which influences the use of the electromagnetic cartridge valve, therefore, the problem needs to be solved. CONTENT OF THE UTILITY MODEL

[0004] In view of the deficiency of prior art, the utility model aims at providing a valve body structure of electromagnetic cartridge valve, which aims at solving the problems in the above background art.

[0005] The technical scheme of the utility model is realized as follows: a valve body structure of electromagnetic cartridge valve, including valve body and heat dissipation structure installed on the valve body,

[0006] Wherein, the heat dissipation structure and the valve body form a cooling cavity, and the heat dissipation structure is provided with inlet check valve and outlet check valve, the cooling cavity is reciprocally movable with piston body controlled by the electromagnetic structure of the valve body,

[0007] When the piston body moves to the inlet position, the cooling liquid is introduced into the cooling cavity from the inlet check valve,

[0008] When the piston body moves to the outlet position, the cooling liquid in the cooling cavity is discharged from the outlet check valve.

[0009] Preferably, the heat dissipation structure includes:

[0010] The heat sink is integrally formed with the valve body, and forms the cooling cavity with the valve body,

[0011] The inlet check valve is installed on the heat sink and communicates with the cooling cavity,

[0012] The outlet check valve is installed on the heat sink and communicates with the cooling cavity,

[0013] The piston body has at least piston block movable in the cooling cavity,

[0014] The piston body has a reciprocating piston shaft capable of being controlled by the electromagnetic structure of the valve body; when the electromagnetic structure is powered to generate magnetism, the reciprocating piston shaft drives the piston block to move and forms negative pressure in the cooling cavity, and the cooling liquid enters the cooling cavity from the liquid inlet one-way valve; after the electromagnetic structure is powered off to lose magnetism, the reciprocating piston shaft drives the piston block to move and extrudes the cooling liquid in the cooling cavity from the liquid outlet one-way valve.

[0015] Preferably, the piston body comprises:

[0016] The piston block is coaxially arranged on the valve body and can axially reciprocate on the valve body.

[0017] The connecting shaft is coaxially arranged with the piston block.

[0018] The connecting block is arranged at one end of the connecting shaft.

[0019] The plurality of connecting rods are connected between the connecting block and the piston block.

[0020] The reciprocating piston shaft is slidably arranged on the valve body.

[0021] Preferably, the connecting shaft is threadedly connected with the reciprocating piston shaft.

[0022] Preferably, the piston block is annular.

[0023] Preferably, one end of the heat dissipation body is open and a threaded cap is threadedly connected at the end of the heat dissipation body.

[0024] The utility model has at least the following beneficial effects:

[0025] The utility model discloses a heat dissipation structure arranged on the valve body, which can timely take away the heat generated when the electromagnetic structure in the valve body operates, thereby ensuring that the electromagnetic plug-in reversing valve can continuously operate for a long time. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without paying creative labor.

[0027] Figure 1 The utility model discloses a specific embodiment structure schematic view. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with 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 the other embodiments obtained by the ordinary skilled in the art without creative labor fall within the scope of the utility model.

[0029] As shown in the utility model discloses a kind of electromagnetic plug-in reversing valve's valve body structure, including valve body 10, valve core 11, electromagnetic structure and heat dissipation structure. Figure 1

[0030] In the embodiment, valve body 10 has valve cavity 100, electromagnetic cavity 101, an oil inlet 102 in constant communication with valve cavity 100 and two oil outlets 103;Valve core 11 moves in valve cavity 100, and valve core 11 has closed part 110, when valve core 11 moves, closed part 110 can open one oil outlet 103 alternatively, so that the fluid from oil inlet 102 into valve cavity 100 can be discharged through the opened oil outlet 103.

[0031] In the embodiment, electromagnetic structure is composed of iron core 21 and electromagnetic coil 22 installed in electromagnetic cavity 101, and valve core piston shaft 20 and reciprocating piston shaft 43 are slidably arranged on valve body 10;Valve core piston shaft 20 is connected with valve core 11, and first spring 45 is arranged between valve core piston shaft 20 and valve body 10.

[0032] In the embodiment, the heat dissipation structure and valve body 10 form cooling cavity 30, and inlet check valve 41 and outlet check valve 42 are arranged on the heat dissipation structure (inlet check valve 41 has inlet 31, and outlet check valve 42 has outlet 32);Piston body capable of being controlled by electromagnetic structure of valve body 10 reciprocates in cooling cavity 30;When the piston body moves to the inlet position, cooling liquid is introduced into cooling cavity 30 from inlet check valve 41;When the piston body moves to the outlet position, the cooling liquid in cooling cavity 30 is discharged from cooling cavity 30 through outlet check valve 42.

[0033] In the embodiment, the heat dissipation structure includes:

[0034] Heat sink 40 is integrally formed with valve body 10, and cooling cavity 30 is formed between heat sink 40 and valve body 10;

[0035] Inlet check valve 41 is installed on heat sink 40 and communicates with cooling cavity 30;

[0036] Outlet check valve 42 is installed on heat sink 40 and communicates with cooling cavity 30;

[0037] ​The piston body has at least a piston block 50 which is movable in the cooling cavity 30.

[0038] In the embodiment, the piston body comprises:

[0039] The piston block 50 is coaxially arranged on the valve body 10 and axially reciprocally slidable on the valve body 10.

[0040] The connecting shaft 51 is coaxially arranged with the piston block 50.

[0041] The connecting block 52 is arranged at one end of the connecting shaft 51.

[0042] The connecting rods 53 are connected between the connecting block 52 and the piston block 50.

[0043] The connecting shaft 51 is threadedly connected with the reciprocating piston shaft 43, the reciprocating piston shaft 43 is provided with a magnet 47 opposite to the magnetic pole of the electromagnetic structure, and the reciprocating piston shaft 43 is provided with the second spring 46.

[0044] In the embodiment, the piston block 50 is annular.

[0045] In the embodiment, one end of the heat sink 40 is open, and a threaded cap 6 is threadedly connected at the end of the heat sink 40, so that the piston body can be taken out of the cooling cavity for cleaning.

[0046] When the electromagnetic structure is powered (the electromagnetic coil is powered), the reciprocating piston shaft 43 drives the piston block 50 to move and form a negative pressure in the cooling cavity 30, and the cooling liquid enters the cooling cavity 30 from the inlet one-way valve 41; when the electromagnetic structure is de-energized and loses magnetism, the reciprocating piston shaft 43 drives the piston block 50 to move and extrude the cooling liquid in the cooling cavity 30 from the outlet one-way valve 42.

[0047] Reference Figure 1 When the electromagnetic coil is powered, the piston shaft is attracted to move close to the iron core and switch out the oil port, and due to the magnet on the reciprocating piston shaft, the reciprocating piston shaft moves away from the iron core, so that a negative pressure is formed in the cooling cavity, and the cooling liquid is sucked into the cooling cavity through the inlet one-way valve; when the electromagnetic coil is de-energized, the reciprocating piston shaft is driven by the second spring to move close to the iron core, the piston block moves and extrudes the cooling liquid in the cooling cavity from the outlet one-way valve, and the heat dissipation of the valve body is completed.

[0048] It should be noted that the liquid discharge position of the embodiment is that the annular block is located close to the inlet or outlet, and the liquid inlet position is that the piston block is located away from the inlet or outlet.

[0049] In use, the liquid inlet one-way valve can be connected to a cooling liquid supply source through a liquid inlet pipe, and the liquid outlet one-way valve can be connected to a liquid outlet pipe for liquid discharge, which is the prior art and thus will not be described in detail in the present embodiment.

[0050] The above merely provides the preferred embodiments of the present application, and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A valve body structure of an electromagnetic cartridge-type change-over valve comprising a valve body (10), characterized by: The heat dissipation structure is installed on the valve body (10); The heat dissipation structure and the valve body (10) form a cooling cavity (30), and the cooling cavity (30) is provided with an inlet one-way valve (41) and an outlet one-way valve (42); the piston body reciprocates in the cooling cavity (30) and is controlled by the electromagnetic structure of the valve body (10); When the piston body moves to the inlet position, the cooling liquid is introduced into the cooling cavity (30) through the inlet one-way valve (41); When the piston body moves to the outlet position, the cooling liquid in the cooling cavity (30) is discharged from the cooling cavity (30) through the outlet one-way valve (42).

2. The valve body structure of an electromagnetic cartridge-type change-over valve according to claim 1, characterized by: The heat dissipation structure comprises: The heat dissipation body (40) is integrally formed with the valve body (10) and forms the cooling cavity (30) with the valve body (10); The inlet one-way valve (41) is installed on the heat dissipation body (40) and communicates with the cooling cavity (30); The outlet one-way valve (42) is installed on the heat dissipation body (40) and communicates with the cooling cavity (30); The piston body comprises a piston block (50) which reciprocates in the cooling cavity (30); The piston body comprises a reciprocating piston shaft (43) which is controlled by the electromagnetic structure of the valve body (10); when the electromagnetic structure is powered on to generate magnetism, the reciprocating piston shaft (43) drives the piston block (50) to move and forms negative pressure in the cooling cavity (30), and the cooling liquid enters the cooling cavity (30) through the inlet one-way valve (41); when the electromagnetic structure is powered off to lose magnetism, the reciprocating piston shaft (43) drives the piston block (50) to move and extrudes the cooling liquid in the cooling cavity (30) through the outlet one-way valve (42).

3. The valve body structure of an electromagnetic cartridge-type change-over valve according to claim 2, characterized by: The piston body comprises: The piston block (50) is coaxially arranged on the valve body (10) and can axially reciprocate on the valve body (10); The connecting shaft (51) is coaxially arranged with the piston block (50); The connecting block (52) is arranged at one end of the connecting shaft (51); The connecting rods (53) are connected between the connecting block (52) and the piston block (50); The reciprocating piston shaft (43) is slidably arranged on the valve body (10); The connecting shaft (51) is threadedly connected with the reciprocating piston shaft (43).

4. The valve body structure of an electromagnetic cartridge-type change-over valve according to claim 3, wherein: The piston block (50) is annular.

5. An electromagnetic cartridge valve according to claim 3 or 4, wherein: One end of the heat dissipation body (40) is open, and a threaded cap (6) is threadedly connected at the open end of the heat dissipation body (40).

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