CN210600223U

CN210600223U - Solenoid valve body for pneumatic shutter

Info

Publication number: CN210600223U
Application number: CN201921518292.2U
Authority: CN
Inventors: 刘送平
Original assignee: Ningbo Guiping Hardware Accessories Co Ltd
Current assignee: Ningbo Guiping Hardware Accessories Co Ltd
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2020-05-22
Anticipated expiration: 2029-09-12

Abstract

The utility model discloses a pneumatic solenoid valve body for shutter, including lower valve body, the top center department of lower valve body has seted up the mounting groove, the top of lower valve body uses the mounting groove as the centre of a circle evenly to be provided with three fixed screw hole, the bottom center department of mounting groove has seted up the cooperation groove, the bottom center department of cooperation groove is provided with the toper lug, the top of toper lug has seted up the locating hole, the lateral wall center department of lower valve body has seted up the inlet port, the top of lower valve body has seted up the pressure release hole; the utility model discloses a set up inlet port, pressure release hole, air inlet joint, pressure release spring, intake pipe etc. can be through the automatic pressure release in pressure release hole when the internal gas pressure of valve is too high, avoided because of causing the valve body gas tightness that the impact leads to the piston to descend or damage the circumstances such as take place, prolonged the life of solenoid valve greatly, excellent in use effect.

Description

Solenoid valve body for pneumatic shutter

Technical Field

The utility model relates to a solenoid valve specifically is a pneumatic solenoid valve body for shutter.

Background

The pneumatic shutter is generally applied to a ventilation system of a transport ship, rainwater can be prevented from entering a pipeline system through the air intake or exhaust of the horizontal fan blades by the design of the grille, and a gap between the outer frame and the top fan blade is sealed, so that the rainwater is prevented from entering the pipeline system from the upper part, water drops are collected in the grooves in the front edges of the fan blades and then flow to the side grooves, and the rainwater drops through the grooves.

However, the existing electromagnetic valve for the pneumatic shutter lacks an overvoltage protection device, and can cause impact on the piston when the air compressor is started or the electromagnetic valve is opened or closed instantly, so that the air tightness of the valve body is easy to decline or the valve body is damaged after the pneumatic shutter is used for a long time, the pneumatic shutter cannot be automatically opened, and the use effect is not good.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pneumatic solenoid valve body for shutter to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a pneumatic solenoid valve body for shutter, includes valve body down, the top center department of valve body has seted up the mounting groove down, the top of valve body uses the mounting groove evenly to be provided with three fixed screw hole as the centre of a circle down, the bottom center department of mounting groove has seted up the cooperation groove, the bottom center department of cooperation groove is provided with the toper lug, the locating hole has been seted up at the top of toper lug, the inlet port has been seted up to the lateral wall center department of valve body down, the pressure release hole has been seted up at the top of valve body down, the venthole has been seted up to the outer wall that valve body and inlet port are relative down, and the top of valve body is provided with the valve body down, the inside of going up the valve body is provided with the.

As a further aspect of the present invention: the air inlet hole and the air outlet hole are communicated with the matching groove, and the pressure relief hole is communicated with the air inlet hole.

As a further aspect of the present invention: the improved air inlet pipe is characterized in that an air inlet pipe is arranged in the air inlet hole, the air outlet end of the air inlet pipe is conical, a sealing ring is fixedly arranged on the contact surface of the air inlet pipe and the air inlet hole, an air inlet joint is sleeved on the outer wall of the air inlet pipe in a sliding mode, the air inlet joint is fixedly connected with the air inlet hole through threads, a spring groove is formed in the air inlet joint, a pressure relief spring is arranged in the spring groove, the pressure relief spring is sleeved on the surface of the outer wall of the air inlet pipe, a limiting ring is fixedly connected to the outer.

As a further aspect of the present invention: go up the bottom of valve body and the bottom surface in close contact with of mounting groove, the bottom in close contact with the bottom in cooperation groove of the bottom of piston, and the bottom of piston set up with the groove of toper lug adaptation, the top of piston is provided with reset spring, the top center department fixedly connected with locating pin of activity groove, and the bottom of locating pin runs through reset spring and piston and is located the locating hole after.

As a further aspect of the present invention: two mounting threaded holes are formed in the outer wall of the lower valve body on the same side as the air inlet hole, the two mounting threaded holes are centrosymmetric, and the mounting threaded holes penetrate through the lower valve body.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a set up inlet port, pressure release hole, air inlet joint, pressure release spring, intake pipe etc. can be through the automatic pressure release in pressure release hole when the internal gas pressure of valve is too high, avoided because of causing the valve body gas tightness that the impact leads to the piston to descend or damage the circumstances such as take place, prolonged the life of solenoid valve greatly, excellent in use effect.

Drawings

Fig. 1 is a schematic view of a lower valve body structure of an electromagnetic valve body for a pneumatic blind.

Fig. 2 is a schematic structural diagram of a valve body of a solenoid valve for a pneumatic blind.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Wherein, 1, a lower valve body; 11. installing a threaded hole; 12. fixing the threaded hole; 13. mounting grooves; 2. a mating groove; 21. a tapered bump; 22. positioning holes; 3. an air inlet; 31. a pressure relief vent; 32. an air outlet; 4. an upper valve body; 41. a coil; 42. a movable groove; 43. positioning pins; 51. a return spring; 52. a piston; 6. an air inlet joint; 61. a spring slot; 62. a pressure relief spring; 7. an air inlet pipe; 71. a seal ring; 72. a limit ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-3, in the embodiment of the present invention, an electromagnetic valve body for pneumatic blind, including lower valve body 1, mounting groove 13 has been seted up at the top center of lower valve body 1, the top of lower valve body 1 evenly is provided with three fixed threaded hole 12 using mounting groove 13 as the centre of a circle, mating groove 2 has been seted up at the bottom center of mounting groove 13, mating groove 2's bottom center is provided with tapered convex block 21, locating hole 22 has been seted up at tapered convex block 21's top, inlet port 3 has been seted up at the lateral wall center of lower valve body 1, pressure relief hole 31 has been seted up at the top of lower valve body 1, venthole 32 has been seted up to the outer wall that lower valve body 1 is relative with inlet port 3, lower valve body 1's top is provided with valve body 4, the inside of going up valve body 4 is provided with coil 41, and the movable groove.

In order to ensure the normal operation of the valve body, the air inlet 3 and the air outlet 32 are communicated with the matching groove 2, and the pressure relief hole 31 is communicated with the air inlet 3.

Be provided with intake pipe 7 in the inlet port 3, the end of giving vent to anger of intake pipe 7 is the toper, and intake pipe 7 is provided with sealing washer 71 with the fixed sealing washer 71 that is provided with of the contact surface of inlet port 3, the gas tightness of intake pipe 7 and inlet port 3 has been guaranteed to sealing washer 71, air inlet joint 6 has been cup jointed in the outer wall slip of intake pipe 7, air inlet joint 6 passes through screw thread fixed connection with inlet port 3, spring groove 61 has been seted up to air inlet joint 6's inside, be provided with pressure release spring 62 in the spring groove 61, pressure release spring 62 cup joints in the outer wall surface of intake pipe 7, the outer wall fixedly connected with spacing ring 72.

Go up the bottom of valve body 4 and the bottom surface in close contact with of mounting groove 13, the bottom in close contact with of the bottom of piston 52 and cooperation groove 2, and the bottom of piston 52 seted up with the groove of toper lug 21 adaptation, the top of piston 52 is provided with reset spring 51, the top center department fixedly connected with locating pin 43 of activity groove 42, and the bottom of locating pin 43 runs through and is located locating hole 22 behind reset spring 51 and the piston 52, the installation of piston 52 is convenient for to locating pin 43, the installation of valve body 4 and lower valve body 1 is more convenient in its locating pin 43 and locating hole 22's cooperation messenger.

Two installation threaded holes 11 are formed in the outer wall of the lower valve body 1 on the same side as the air inlet 3, the two installation threaded holes 11 are centrosymmetric, the installation threaded holes 11 penetrate through the lower valve body 1, and the installation threaded holes 11 are convenient for fixing connection between the electromagnetic valve and the shutter.

The utility model discloses a theory of operation is:

the upper valve body 4 is fixedly connected with the lower valve body 1 through the bolt matched with the fixed threaded hole 12, the lower valve body 1 can be fixedly connected with the louver frame body through the installation threaded hole 11 by utilizing the bolt, when the air compressor is opened or the electromagnetic valve is opened and closed to cause overlarge pressure in the valve body instantly, the air in the air inlet hole 3 can push the air inlet pipe 7 to the direction of the air inlet joint 6, the limiting ring 72 is made to compress the pressure relief spring 62, when the air inlet joint 6 of the air inlet pipe 7 is connected with the pressure relief hole 31, the air in the valve body is led out from the pressure relief hole 31 through the air inlet hole 3, the internal pressure of the valve body is reduced, severe impact on the piston 52 is avoided, when the internal pressure is reduced, the pressure relief spring 62 is stretched to reset.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a pneumatic solenoid valve body for shutter, includes lower valve body (1), its characterized in that: the top center of the lower valve body (1) is provided with a mounting groove (13), the top of the lower valve body (1) is uniformly provided with three fixed threaded holes (12) by taking the mounting groove (13) as a circle center, the bottom center of the mounting groove (13) is provided with a matching groove (2), the bottom center of the matching groove (2) is provided with a conical convex block (21), the top of the conical convex block (21) is provided with a positioning hole (22), the side wall center of the lower valve body (1) is provided with an air inlet hole (3), the top of the lower valve body (1) is provided with a pressure relief hole (31), the outer wall of the lower valve body (1) opposite to the air inlet hole (3) is provided with an air outlet hole (32), the top of the lower valve body (1) is provided with an upper valve body (4), a coil (41) is arranged inside the upper valve body (4), and the bottom, the movable groove (42) is connected with a piston (52) in a sliding way.

2. A solenoid valve body for a pneumatic blind according to claim 1, wherein: the air inlet hole (3) and the air outlet hole (32) are communicated with the matching groove (2), and the pressure relief hole (31) is communicated with the air inlet hole (3).

3. A solenoid valve body for a pneumatic blind according to claim 1, wherein: be provided with intake pipe (7) in intake port (3), the end of giving vent to anger of intake pipe (7) is the toper, and intake pipe (7) and the fixed sealing washer (71) that is provided with of contact surface of intake pipe (3), air-intake joint (6) have been cup jointed in the outer wall slip of intake pipe (7), air-intake joint (6) pass through screw thread fixed connection with intake port (3), spring groove (61) have been seted up to the inside of air-intake joint (6), be provided with pressure release spring (62) in spring groove (61), the outer wall surface in intake pipe (7) is cup jointed in pressure release spring (62), the outer wall fixedly connected with spacing ring (72) of intake pipe (7), spacing ring (72) are located spring groove (61).

4. A solenoid valve body for a pneumatic blind according to claim 1, wherein: go up the bottom of valve body (4) and the bottom surface in close contact with of mounting groove (13), the bottom in close contact with the bottom of cooperation groove (2) of piston (52), and the bottom of piston (52) set up with the groove of toper lug (21) adaptation, the top of piston (52) is provided with reset spring (51), the top center department fixedly connected with locating pin (43) of activity groove (42), and the bottom of locating pin (43) runs through reset spring (51) and piston (52) the back and is located locating hole (22).

5. A solenoid valve body for a pneumatic blind according to claim 1, wherein: two mounting threaded holes (11) are formed in the outer wall of the lower valve body (1) on the same side as the air inlet hole (3), the two mounting threaded holes (11) are centrosymmetric, and the mounting threaded holes (11) penetrate through the lower valve body (1).