CN219102166U

CN219102166U - Electromagnetic baffle valve

Info

Publication number: CN219102166U
Application number: CN202223585294.8U
Authority: CN
Inventors: 盛一冰; 何善良; 姚勇
Original assignee: Ningbo Instrument Valve Factory
Current assignee: Ningbo Instrument Valve Factory
Priority date: 2022-12-31
Filing date: 2022-12-31
Publication date: 2023-05-30
Anticipated expiration: 2032-12-31

Abstract

The utility model provides an electromagnetic baffle valve which comprises an electromagnetic head, a valve seat, a valve body and a valve core, wherein the electromagnetic head is fixedly connected to the upper end of the valve seat, the valve body is fixedly connected to the lower end of the valve seat, a valve cavity is arranged in the valve body, the valve core is movably connected in the valve cavity along the vertical direction, the output end of the electromagnetic head is connected with the valve core through the valve rod, a spring is sleeved on the valve rod, the upper end of the spring is propped against the valve seat, the lower end of the spring is propped against the valve core, a valve inlet port and a valve outlet port which are communicated with the valve cavity are arranged on the valve body, a guide rod is fixedly arranged in the valve cavity, the guide rod is arranged along the vertical direction, the upper end of the guide rod is connected with the valve seat, the lower end of the guide rod is connected with the valve body, the valve core is sleeved on the guide rod and is in sliding connection with the guide rod, and in an initial state, the spring drives the valve core to be arranged at the bottom of the valve cavity for plugging the valve outlet port. The electromagnetic baffle valve can effectively guide the valve core to move, avoid the valve core from shaking, improve the stability of the valve core movement and further improve the sealing reliability of the valve.

Description

Electromagnetic baffle valve

Technical Field

The utility model relates to the technical field of flapper valves, in particular to an electromagnetic flapper valve.

Background

The driving modes of the baffle valve are manual, pneumatic and electromagnetic, wherein the electromagnetic baffle valve generates electromagnetic force as power through coil energization, is connected with the valve core through a mechanism and drives the valve core to open and close.

The Chinese patent with the publication number of CN217633924U discloses a vacuum baffle valve of an electromagnetic induction device, which comprises a valve body, a cylinder arranged on the valve body, a push rod arranged on the cylinder, a valve seat arranged on the valve body, a cylinder cover arranged on the cylinder, an electromagnetic valve arranged on the cylinder cover, a valve core arranged at one end of the push rod and matched with the valve seat, a piston arranged at the other end and matched with the cylinder, an air inlet hole arranged on the cylinder and communicated with the electromagnetic valve, an anti-collision pad arranged on the piston, and an electromagnetic induction assembly arranged on the anti-collision pad and the cylinder cover. The valve core of the baffle valve is connected in the valve body through one end of the push rod, and after the valve core works for a long time, the valve core is easy to shake, so that the sealing of the valve core is unreliable.

Disclosure of Invention

The utility model mainly aims to provide an electromagnetic baffle valve, which comprises but is not limited to solving the technical problem that in the prior art, valve cores are easy to shake, so that sealing is unreliable.

In order to solve the technical problems, the utility model adopts the following technical scheme: the electromagnetic baffle valve comprises an electromagnetic head, a valve seat, a valve body and a valve core, wherein the electromagnetic head is fixedly connected to the upper end of the valve seat, the valve body is fixedly connected to the lower end of the valve seat, a valve cavity is arranged in the valve body, the valve core is movably connected in the valve cavity along the vertical direction, the output end of the electromagnetic head is connected with the valve core through a valve rod, a spring is sleeved on the valve rod, the upper end of the spring props against the valve seat, the lower end of the spring props against the valve core, a valve inlet port and a valve outlet port which are communicated with the valve cavity are arranged on the valve body, a guide rod is fixedly installed in the valve cavity, the guide rod is arranged along the vertical direction, the upper end of the guide rod is connected with the valve seat, the lower end of the guide rod is connected with the valve body, the valve core is sleeved on the guide rod and is in sliding connection with the guide rod, and in an initial state, the spring drives the valve core to be arranged at the bottom of the valve cavity so as to be used for plugging the valve outlet port.

The beneficial effects of the utility model are as follows: through setting up the guide bar along vertical direction, guide bar and case sliding connection make guide bar direction case, let it only follow vertical direction and remove, avoid the case to appear rocking the phenomenon, improve the stability that the case removed, make the case to the shutoff of valve port reliable, improve the sealed reliability of baffle valve.

Preferably, the valve core is provided with a guide through hole for the guide rod to penetrate, and the guide through hole is in sliding connection with the guide rod. By adopting the structure, the valve core is reliably sleeved on the guide rod, and the moving reliability of the valve core is improved.

Preferably, a sliding bearing is installed in the guide through hole, the outer peripheral wall of the sliding bearing is in interference fit with the inner peripheral wall of the guide through hole, and the inner peripheral wall of the sliding bearing is in sliding fit with the guide rod. Through adopting above-mentioned structure, make the case slide smoothly on the guide bar, reduce sliding friction, improve the efficiency that the case moved.

Preferably, the upper end of the valve core is provided with an inserting block, the lower end of the valve rod is provided with a slot for the inserting block to be inserted, and a fixing part for fixing the inserting block in the slot is arranged between the valve rod and the valve core. Through adopting above-mentioned structure, make the case conveniently connect on the valve rod, realize the case and the detachable connection of valve rod, make things convenient for the installation of case.

Preferably, the fixing part comprises a set screw, a threaded hole for the threaded connection of the set screw is formed in the valve rod, the threaded hole is communicated with the slot, and the set screw abuts against the insert after being screwed into the threaded hole. Through adopting above-mentioned structure, make fixed part simple structure, make things convenient for the inserted block to fix in the slot, improve fixed connection's efficiency.

Preferably, the insert block is provided with a groove for placing the end part of the set screw, and the set screw is abutted with the bottom of the groove. Through adopting above-mentioned structure, can avoid the inserted block to deviate from in the slot, improve the stability of inserted block installation.

Preferably, the electromagnetic head comprises a housing, a sleeve, a fixed iron core, a movable iron core and an electromagnetic coil, wherein an installation cavity is formed in the housing, the sleeve is sleeved in the installation cavity, the movable iron core is movably connected in the sleeve in the vertical direction, the fixed iron core is fixedly arranged in the installation cavity and positioned above the movable iron core, the electromagnetic coil is positioned in the installation cavity and circumferentially arranged along the sleeve, and the movable iron core is fixedly connected with the valve rod. Through adopting above-mentioned structure, solenoid during operation makes fixed iron core have magnetism, and fixed iron core magnetism is inhaled and is moved the iron core and upwards move, moves the iron core and drives the valve rod and upwards move, makes the valve rod drive the case upwards move, realizes that the case opens out the valve port, and stable in structure uses reliably.

Drawings

FIG. 1 is a schematic illustration of the structure of an electromagnetic flapper valve of the present utility model;

FIG. 2 is an enlarged view at A of FIG. 1;

reference numerals illustrate:

1. an electromagnetic head; 11. a housing; 12. a sleeve; 13. fixing an iron core; 14. a movable iron core; 15. an electromagnetic coil; 2. a valve seat; 3. a valve body; 31. a valve cavity; 32. a valve inlet port; 33. a valve outlet port; 4. a valve core; 41. a guide through hole; 42. a sliding bearing; 43. inserting blocks; 44. a groove; 5. a valve stem; 51. a slot; 52. a threaded hole; 6. a spring; 7. a guide rod; 8. and (5) setting the screw.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the description of the present utility model, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "left", "right", "front", "rear", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

As shown in fig. 1 to 2, the utility model provides an electromagnetic baffle valve, which comprises an electromagnetic head 1, a valve seat 2, a valve body 3 and a valve core 4, wherein the electromagnetic head 1 is fixedly connected to the upper end of the valve seat 2, the valve body 3 is fixedly connected to the lower end of the valve seat 2, a valve cavity 31 is arranged in the valve body 3, the valve core 4 is movably connected in the valve cavity 31 along the vertical direction, the output end of the electromagnetic head 1 is connected with the valve core 4 through a valve rod 5, a spring 6 is sleeved on the valve rod 5, the upper end of the spring 6 is propped against the valve seat 2, the lower end of the spring 6 is propped against the valve core 4, an inlet port 32 and an outlet port 33 which are communicated with the valve cavity 31 are arranged on the valve body 3, the inlet port 32 is positioned on the side wall of the valve body 3, the outlet port 33 is positioned at the bottom of the valve body 3, and in an initial state, the spring 6 drives the valve core 4 to be arranged at the bottom of the valve cavity 31 so as to be used for the valve core 4 to seal the outlet port 33.

In order to improve the sealed reliability of case 4, fixed mounting has guide bar 7 in the valve pocket 31, guide bar 7 sets up along vertical direction, guide bar 7 upper end is connected with disk seat 2, guide bar 7 lower extreme is connected with valve body 3, case 4 cover is established on the guide bar 7, be equipped with the guide through-hole 41 that supplies guide bar 7 to penetrate on the case 4, guide through-hole 41 and guide bar 7 sliding connection, make case 4 reliably overlap to establish on guide bar 7 from this, avoid case 4 to appear rocking the phenomenon, improve the reliability that case 4 removed. The sliding bearing 42 is arranged in the guide through hole 41, the outer peripheral wall of the sliding bearing 42 is in interference fit with the inner peripheral wall of the guide through hole 41, the inner peripheral wall of the sliding bearing 42 is in sliding fit with the guide rod 7, and the sliding bearing 42 is arranged, so that the valve core 4 slides smoothly on the guide rod 7, sliding friction is reduced, and the moving efficiency of the valve core 4 is improved.

For the installation of convenient case 4, case 4 upper end is equipped with inserts 43, the valve rod 5 lower extreme is equipped with the slot 51 that supplies inserts 43 to insert, be equipped with the fixed part that is used for fixing inserts 43 in slot 51 between valve rod 5 and the case 4, the fixed part includes holding screw 8, be equipped with the screw hole 52 that supplies holding screw 8 threaded connection on the valve rod 5, screw hole 52 and slot 51 intercommunication, holding screw 8 offsets with inserts 43 after the screw thread lock goes into screw hole 52, be equipped with the recess 44 that supplies holding screw 8 tip to put into on the inserts 43, holding screw 8 and the tank bottom butt of recess 44.

As shown in fig. 1, the electromagnetic head 1 includes a housing 11, a sleeve 12, a fixed iron core 13, a movable iron core 14 and an electromagnetic coil 15, a mounting cavity is provided in the housing 11, the sleeve 12 is sleeved in the mounting cavity, the movable iron core 14 is movably connected in the sleeve 12 along the vertical direction, the fixed iron core 13 is fixedly arranged in the mounting cavity and is located above the movable iron core 14, the electromagnetic coil 15 is located in the mounting cavity and is circumferentially arranged along the sleeve 12, the movable iron core 14 is fixedly connected with the valve rod 5, when the electromagnetic coil 15 works, the fixed iron core 13 is made to have magnetism, the fixed iron core 13 magnetically attracts the movable iron core 14 to move upwards, the movable iron core 14 drives the valve rod 5 to move upwards, the valve rod 5 drives the valve core 4 to move upwards, the valve core 4 is enabled to open the valve port 33, and the electromagnetic head is stable in structure and reliable in use.

Although the present disclosure is described above, the scope of protection of the present disclosure is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the disclosure, and these changes and modifications will fall within the scope of the utility model.

Claims

1. The electromagnetic baffle valve comprises an electromagnetic head (1), a valve seat (2), a valve body (3) and a valve core (4), wherein the electromagnetic head (1) is fixedly connected to the upper end of the valve seat (2), the valve body (3) is fixedly connected to the lower end of the valve seat (2), a valve cavity (31) is arranged in the valve body (3), the valve core (4) is movably connected in the valve cavity (31) along the vertical direction, the output end of the electromagnetic head (1) is connected with the valve core (4) through a valve rod (5), a spring (6) is sleeved on the valve rod (5), the upper end of the spring (6) is propped against the valve seat (2), the lower end of the spring (6) is propped against the valve core (4), a valve inlet port (32) and a valve outlet port (33) which are communicated with the valve cavity (31) are arranged on the valve body (3), the guide rod (7) is fixedly arranged in the valve cavity (31), the upper end of the guide rod (7) is connected with the valve seat (2) along the vertical direction, the lower end of the guide rod (7) is connected with the valve seat (3) through the valve rod (7), the guide rod (7) in an initial state, the spring (6) drives the valve core (4) to be arranged at the bottom of the valve cavity (31) so as to be used for plugging the valve port (33) by the valve core (4).

2. An electromagnetic flapper valve as claimed in claim 1, characterised in that the valve body (4) is provided with a guide through hole (41) through which the guide rod (7) passes, the guide through hole (41) being in sliding connection with the guide rod (7).

3. An electromagnetic flapper valve as claimed in claim 2, characterized in that a slide bearing (42) is mounted in the guide through hole (41), an outer peripheral wall of the slide bearing (42) is interference fit with an inner peripheral wall of the guide through hole (41), and an inner peripheral wall of the slide bearing (42) is slide fit with the guide rod (7).

4. The electromagnetic flapper valve according to claim 1, characterized in that the upper end of the valve core (4) is provided with an insert block (43), the lower end of the valve rod (5) is provided with a slot (51) into which the insert block (43) is inserted, and a fixing part for fixing the insert block (43) in the slot (51) is arranged between the valve rod (5) and the valve core (4).

5. An electromagnetic flapper valve as claimed in claim 4 wherein the fixed portion comprises a set screw (8), the valve stem (5) being provided with a threaded bore (52) through which the set screw (8) is threadedly connected, the threaded bore (52) being in communication with the slot (51), the set screw (8) being in abutment with the insert (43) after threaded locking into the threaded bore (52).

6. The electromagnetic flapper valve of claim 5, characterized in that the insert block (43) is provided with a groove (44) into which an end of the set screw (8) is placed, and the set screw (8) abuts against a bottom of the groove (44).

7. The electromagnetic baffle valve according to claim 1, wherein the electromagnetic head (1) comprises a housing (11), a sleeve (12), a fixed iron core (13), a movable iron core (14) and an electromagnetic coil (15), wherein a mounting cavity is formed in the housing (11), the sleeve (12) is sleeved in the mounting cavity, the movable iron core (14) is movably connected in the sleeve (12) in the vertical direction, the fixed iron core (13) is fixedly arranged in the mounting cavity and is located above the movable iron core (14), the electromagnetic coil (15) is located in the mounting cavity and is circumferentially arranged along the sleeve (12), and the movable iron core (14) is fixedly connected with the valve rod (5).