CN214618088U - Novel low-power solenoid valve - Google Patents
Novel low-power solenoid valve Download PDFInfo
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- CN214618088U CN214618088U CN202023177298.3U CN202023177298U CN214618088U CN 214618088 U CN214618088 U CN 214618088U CN 202023177298 U CN202023177298 U CN 202023177298U CN 214618088 U CN214618088 U CN 214618088U
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Abstract
The utility model discloses a novel low-power electromagnetic valve, which comprises a valve body, a front cover and a rear cover, wherein a valve cavity is formed in the valve body, a valve rod is movably arranged in the valve cavity, and a first gas outlet, a second gas outlet, a first exhaust port, a gas inlet and a second exhaust port which are communicated with the valve cavity are arranged on the valve body; a piston cavity for mounting the piston is formed in the front cover, a mounting groove is formed in the bottom end of the valve rod, and a first spring for driving the top end of the valve rod to abut against the piston is arranged between the mounting groove and the rear cover in an abutting mode; the front cover is provided with a pilot assembly, the pilot assembly comprises a valve seat fixed on the front cover, a pilot cavity is arranged in the valve seat, the pilot cavity is communicated with the air inlet through an air passage, and the pilot cavity is communicated with the piston cavity through a valve port; the valve seat is provided with a magnetism isolating sleeve fixed through a pressing plate, and the axis of the magnetism isolating sleeve and the axis of the valve rod are concentrically arranged. The utility model discloses possess simple structure small and exquisite, simple to operate and the good advantage of leakproofness.
Description
Technical Field
The utility model relates to a pneumatic element technical field, in particular to novel low-power solenoid valve.
Background
The solenoid valve is an automatic basic element for controlling fluid, belongs to a control element, and is not limited to hydraulic pressure and pneumatic pressure. The electromagnetic valve is widely applied to industrial control systems, and is matched with a circuit to control the direction, flow, speed and other parameters of a medium. The two-position five-way electromagnetic valve is a common electromagnetic valve and mainly comprises a valve body and a pilot assembly arranged on the valve body, wherein the arrangement mode of the existing pilot assembly is generally vertical to the central axis of the valve body, so that the occupied space is large, and the installation is relatively inconvenient for places with relatively narrow installation positions; the larger the volume is, the heavier the weight of the valve rod is, the more functions of the pilot assembly are consumed, and the concept of environmental protection is not satisfied, so that the above problems need to be solved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a simple structure is small and exquisite, simple to operate and the novel low-power solenoid valve that the leakproofness is good to prior art's defect and not enough.
The utility model provides a technical scheme that its technical problem adopted is: a novel low-power electromagnetic valve comprises a valve body, a front cover and a rear cover which are respectively arranged at two ends of the valve body, wherein a valve cavity is formed in the valve body, a valve rod is movably arranged in the valve cavity, a first air outlet, a second air outlet, a first exhaust port, an air inlet and a second exhaust port which are communicated with the valve cavity are formed in the valve body, a plurality of flat rings are arranged on the valve rod, a plurality of convex rings corresponding to the flat rings are arranged in the valve body, and the plurality of convex rings are arranged in a staggered manner with the first air outlet, the second air outlet, the first exhaust port, the air inlet and the second exhaust port;
a piston cavity for mounting a piston is formed in the front cover, a mounting groove is formed in the bottom end of the valve rod, and a first spring for driving the top end of the valve rod to abut against the piston is arranged between the mounting groove and the rear cover in an abutting mode;
the front cover is provided with a pilot assembly, the pilot assembly comprises a valve seat fixed on the front cover, a pilot cavity is arranged in the valve seat, the pilot cavity is communicated with the air inlet through an air passage, and the pilot cavity is communicated with the piston cavity through a valve port;
the valve comprises a valve rod, a valve seat and a valve core, wherein a valve rod is arranged in the valve seat, the valve rod is arranged in the valve seat, a magnetic isolation sleeve fixed through a pressing plate is arranged on the valve seat, the axis of the magnetic isolation sleeve and the axis of the valve rod are concentrically arranged, a fixed iron core is fixed at the top end of the magnetic isolation sleeve in a sealing mode, a coil is sleeved on the outer side of the magnetic isolation sleeve, a movable iron core is movably arranged in the magnetic isolation sleeve, the bottom end of the movable iron core is matched with the valve port in an opening and closing mode, a second spring is arranged between the movable iron core and the magnetic isolation sleeve in a supporting mode, and the second spring always tends to enable the movable iron core to close the valve port.
Furthermore, the first air outlet and the second air outlet are both arranged on the same side face of the valve body, a connecting seat is fixed on the valve body, two working ports penetrate through the connecting seat, and the two working ports are respectively arranged in one-to-one correspondence with the first air outlet and the second air outlet; the apertures of the first air outlet and the second air outlet can be processed smaller, and the valve body is convenient to manufacture and is smaller.
Further, the two working ports are both threaded interfaces; the connection is convenient, and the sealing performance is improved.
Further, a Y-shaped sealing ring is sleeved on the piston, and a notch of the Y-shaped sealing ring faces the rear cover; the sealing performance is improved.
Furthermore, a manual rod used for pushing the movable iron core to open the valve port is arranged on the side wall of the valve seat, the inner side end of the manual rod is arranged corresponding to the movable iron core, the inner side end of the manual rod is conical, and an O-shaped ring is arranged between the manual rod and the valve seat; the valve port is convenient to open by emergency and manual operation, and the safety performance is improved.
Furthermore, a stepped hole is formed in the movable iron core, a sealing gasket is abutted to a port of the stepped hole, a third spring is abutted between the stepped hole and the sealing gasket, and the third spring always tends to push the sealing gasket to the valve port; the sealing performance of the valve port is improved.
Furthermore, a vent hole for communicating the step hole and the inner cavity of the magnetism isolating sleeve penetrates through the side wall of the movable iron core; the stable motion of the movable iron core is ensured.
Furthermore, a convex edge for the second spring to abut against is arranged at the bottom end of the movable iron core; the second spring is convenient to install.
The utility model has the advantages that: firstly, a mounting groove is formed in the bottom end of the valve rod, and a first spring for driving the top end of the valve rod to abut against the piston is arranged between the mounting groove and the rear cover in an abutting mode, so that the first spring is convenient and firm to mount, the stress of the valve rod is balanced, and the valve rod can be enabled to reset; secondly, the axis of the magnetism isolating sleeve and the axis of the valve rod are concentrically arranged, so that the pilot assembly and the valve body are arranged on the same axis, the layout is reasonable, the volume manufacture is facilitated to be smaller, and the installation can be smoothly carried out in a narrow place; in general, the utility model discloses possessed simple structure small and exquisite, simple to operate and the good advantage of leakproofness.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is an enlarged schematic view at a in fig. 1.
Shown in the figure: 1-a valve body; 1.1-valve cavity; 1.2-a first outlet; 1.3-a second outlet; 1.4-first exhaust port; 1.5-gas inlet; 1.6-a second vent; 1.7-convex ring; 2-front cover; 2.1-piston cavity; 3-rear cover; 4-a valve stem; 4.1-mounting groove; 5-a flat ring; 6-a piston; 7-a first spring; 8-valve seat; 8.1-guide cavity; 8.2-valve port; 9-pressing a plate; 10-a magnetic isolation sleeve; 11-a fixed iron core; 12-a coil; 13-a movable iron core; 13.1-stepped hole; 13.2-vent hole; 13.3-convex edge; 14-a second spring; 15-a connecting seat; 15.1-working port; 16-Y type seal ring; 17-manual lever; 18-O-ring; 19-a seal gasket; 20-third spring.
Detailed Description
For a more intuitive and complete understanding of the technical solution of the present invention, the following non-limiting characteristic description is now performed by combining the drawings of the present invention:
as shown in fig. 1 and 2, a novel low-power electromagnetic valve includes a valve body 1, a front cover 2 and a rear cover 3 respectively disposed at two ends of the valve body 1, a valve cavity 1.1 is formed in the valve body 1, a valve rod 4 is movably disposed in the valve cavity 1.1, the valve body 1 is provided with a first air outlet 1.2, a second air outlet 1.3, a first air outlet 1.4, an air inlet 1.5 and a second air outlet 1.6 which are communicated with the valve cavity 1.1, the valve rod 4 is provided with a plurality of flat rings 5, the valve body 1 is internally provided with a plurality of convex rings 1.7 corresponding to the flat rings 5, and the plurality of convex rings 1.7 are staggered with the first air outlet 1.2, the second air outlet 1.3, the first air outlet 1.4, the air inlet 1.5 and the second air outlet 1.6;
a piston cavity 2.1 for installing a piston 6 is formed in the front cover 2, an installation groove 4.1 is formed in the bottom end of the valve rod 4, and a first spring 7 for driving the top end of the valve rod 4 to abut against the piston 6 is arranged between the installation groove 4.1 and the rear cover 3 in an abutting mode;
a pilot assembly is arranged on the front cover 2, the pilot assembly comprises a valve seat 8 fixed on the front cover 2, a pilot cavity 8.1 is arranged in the valve seat 8, the pilot cavity 8.1 is communicated with an air inlet 1.5 through an air passage, and the pilot cavity 8.1 is communicated with a piston cavity 2.1 through a valve port 8.2;
the valve seat 8 is provided with a magnetic isolation sleeve 10 fixed through a pressing plate 9, the axis of the magnetic isolation sleeve 10 and the axis of the valve rod 4 are concentrically arranged, the top end of the magnetic isolation sleeve 10 is fixed with a fixed iron core 11 in a sealing mode, the outer side of the magnetic isolation sleeve 10 is sleeved with a coil 12, a movable iron core 13 is movably arranged in the magnetic isolation sleeve 10, the bottom end of the movable iron core 13 is matched with the valve port 8.2 in an opening and closing mode, a second spring 14 is arranged between the movable iron core 13 and the magnetic isolation sleeve 10 in a supporting mode, and the second spring 14 always tends to enable the movable iron core 13 to close the valve port 8.2.
The first air outlet 1.2 and the second air outlet 1.3 are both arranged on the same side surface of the valve body 1, the valve body 1 is fixedly provided with a connecting seat 15, two working ports 15.1 penetrate through the connecting seat 15, and the two working ports 15.1 are respectively arranged corresponding to the first air outlet 1.2 and the second air outlet 1.3 one by one; both working ports 15.1 are screw connections.
The piston 6 is sleeved with a Y-shaped sealing ring 16, and the notch of the Y-shaped sealing ring 16 faces the rear cover 3.
A manual rod 17 for pushing the movable iron core 13 to open the valve port 8.2 is arranged on the side wall of the valve seat 8, the inner side end of the manual rod 17 is arranged corresponding to the movable iron core 13, the inner side end of the manual rod 17 is conical, and an O-shaped ring 18 is arranged between the manual rod 17 and the valve seat 8.
Specifically, when the valve port 8.2 needs to be opened manually, the manual lever 17 can be pushed manually, the inner side end of the manual lever 17 abuts against the movable iron core 13, under the action of the principle of the conical structure, the movable iron core 13 overcomes the elastic force of the second spring 14, the valve port 8.2 is opened, gas in the pilot cavity 8.1 can flow to the piston cavity 2.1 through the valve port 8.2, the piston 6 is pushed, the piston 6 pushes the valve rod 4 again, the valve rod 4 overcomes the elastic force of the first spring 7, and the valve rod 4 is reversed.
A stepped hole 13.1 is formed in the movable iron core 13, a sealing gasket 19 is abutted to the port of the stepped hole 13.1, a third spring 20 is abutted between the stepped hole 13.1 and the sealing gasket 19, and the third spring 20 always tends to push the sealing gasket 19 to the valve port 8.2; a vent hole 13.2 for communicating the stepped hole 13.1 with the inner cavity of the magnetism isolating sleeve 10 penetrates through the side wall of the movable iron core 13; the bottom end of the movable iron core 13 is provided with a convex edge 13.3 against which the second spring 14 abuts.
The utility model discloses a concrete theory of operation as follows: under normal conditions, the working ports 15.1 are respectively connected with the gas ports of the connected working elements, the valve rod 4 is positioned at the upper end of the valve cavity 1.1 under the action of the elastic force of the first spring 7, gas at the gas inlet 1.5 flows to the first gas outlet 1.2 through the valve cavity 1.1, gas at the second gas outlet 1.3 flows to the second gas outlet 1.6 through the valve cavity 1.1, and the first gas outlet 1.4 is kept closed; under the action of the elastic force of the second spring 14, the valve port 8.2 is tightly closed by a sealing gasket 19 arranged at the bottom end of the movable iron core 12; when the direction needs to be changed, the coil 12 is electrified, so that the fixed iron core 11 attracts the movable iron core 13, the movable iron core 13 overcomes the elastic force of the second spring 14, the valve port 8.2 is opened, the gas in the pilot chamber 8.1 can flow to the piston chamber 2.1 through the valve port 8.2, so that the piston 6 is pushed, the piston 6 pushes the valve rod 4 again, the valve rod 4 overcomes the elastic force of the first spring 7, so that the valve rod 4 is changed, at the moment, the gas at the gas inlet 1.5 flows to the second gas outlet 1.3 through the valve chamber 1.1, the gas at the first gas outlet 1.2 flows to the first gas outlet 1.4 through the valve chamber 1.1, and the second gas outlet 1.6 is kept closed.
The above is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles in accordance with the claims of the present invention are included in the claims of the present invention.
Claims (8)
1. A novel low-power electromagnetic valve comprises a valve body (1), a front cover (2) and a rear cover (3) which are respectively arranged at two ends of the valve body (1), a valve cavity (1.1) is formed in the valve body (1), a valve rod (4) is movably arranged in the valve cavity (1.1), the valve body (1) is provided with a first air outlet (1.2), a second air outlet (1.3), a first exhaust port (1.4), an air inlet (1.5) and a second exhaust port (1.6) which are communicated with the valve cavity (1.1), a plurality of flat rings (5) are arranged on the valve rod (4), a plurality of convex rings (1.7) corresponding to the flat rings (5) are arranged in the valve body (1), and the convex rings (1.7) are staggered with the first air outlet (1.2), the second air outlet (1.3), the first exhaust port (1.4), the air inlet (1.5) and the second exhaust port (1.6);
the method is characterized in that: a piston cavity (2.1) for installing a piston (6) is formed in the front cover (2), an installation groove (4.1) is formed in the bottom end of the valve rod (4), and a first spring (7) for driving the top end of the valve rod (4) to abut against the piston (6) is arranged between the installation groove (4.1) and the rear cover (3);
a pilot assembly is arranged on the front cover (2), the pilot assembly comprises a valve seat (8) fixed on the front cover (2), a pilot cavity (8.1) is arranged in the valve seat (8), the pilot cavity (8.1) is communicated with the air inlet (1.5) through an air passage, and the pilot cavity (8.1) is communicated with the piston cavity (2.1) through a valve port (8.2);
the valve seat (8) is provided with a magnetism isolating sleeve (10) fixed through a pressing plate (9), the axis of the magnetism isolating sleeve (10) and the axis of the valve rod (4) are concentrically arranged, the top end of the magnetism isolating sleeve (10) is fixed with a fixed iron core (11) in a sealing mode, a coil (12) is sleeved on the outer side of the magnetism isolating sleeve (10), a movable iron core (13) is movably arranged in the magnetism isolating sleeve (10), the bottom end of the movable iron core (13) is matched with the valve port (8.2) in an opening and closing mode, a second spring (14) is arranged between the movable iron core (13) and the magnetism isolating sleeve (10) in a supporting mode, and the second spring (14) always tends to enable the movable iron core (13) to close the valve port (8.2).
2. A new low power solenoid valve as claimed in claim 1 wherein: first gas outlet (1.2) with second gas outlet (1.3) all set up in on the same side of valve body (1), be fixed with connecting seat (15) on valve body (1), it has two work ports (15.1), two to run through on connecting seat (15) work port (15.1) respectively with first gas outlet (1.2) second gas outlet (1.3) one-to-one sets up.
3. A new low power solenoid valve as claimed in claim 2 wherein: the two working ports (15.1) are both threaded interfaces.
4. A new low power solenoid valve as claimed in claim 1 wherein: and a Y-shaped sealing ring (16) is sleeved on the piston (6), and the notch of the Y-shaped sealing ring (16) faces the rear cover (3).
5. A new low power solenoid valve as claimed in claim 1 wherein: a manual rod (17) used for pushing the movable iron core (13) to open the valve port (8.2) is arranged on the side wall of the valve seat (8), the inner side end of the manual rod (17) is arranged corresponding to the movable iron core (13), the inner side end of the manual rod (17) is conical, and an O-shaped ring (18) is arranged between the manual rod (17) and the valve seat (8).
6. The novel low-power solenoid valve as claimed in claim 5, wherein: the movable iron core (13) is provided with a stepped hole (13.1), a sealing gasket (19) is abutted to the end of the stepped hole (13.1), a third spring (20) is abutted between the stepped hole (13.1) and the sealing gasket (19), and the third spring (20) always tends to push the sealing gasket (19) to the valve port (8.2).
7. The novel low-power solenoid valve as claimed in claim 6, wherein: and a vent hole (13.2) for communicating the stepped hole (13.1) with the inner cavity of the magnetic isolation sleeve (10) penetrates through the side wall of the movable iron core (13).
8. A new low power solenoid valve as claimed in claim 7 wherein: and a convex edge (13.3) for the second spring (14) to abut against is arranged at the bottom end of the movable iron core (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023177298.3U CN214618088U (en) | 2020-12-25 | 2020-12-25 | Novel low-power solenoid valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023177298.3U CN214618088U (en) | 2020-12-25 | 2020-12-25 | Novel low-power solenoid valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214618088U true CN214618088U (en) | 2021-11-05 |
Family
ID=78432111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023177298.3U Active CN214618088U (en) | 2020-12-25 | 2020-12-25 | Novel low-power solenoid valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214618088U (en) |
-
2020
- 2020-12-25 CN CN202023177298.3U patent/CN214618088U/en active Active
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