CN216344282U

CN216344282U - Pneumatic solenoid valve convenient to maintenance

Info

Publication number: CN216344282U
Application number: CN202122485751.5U
Authority: CN
Inventors: 李习胜; 李习省
Original assignee: Aimai Pneumatic Technology Co ltd
Current assignee: Aimai Pneumatic Technology Co ltd
Priority date: 2021-10-15
Filing date: 2021-10-15
Publication date: 2022-04-19
Anticipated expiration: 2031-10-15

Abstract

The utility model provides a pneumatic solenoid valve convenient to maintain, belongs to the technical field of solenoid valves, and solves the problems that some existing pneumatic solenoid valves lack functions of impurity filtering and moisture drying, increase the frequency of maintenance operation and bring inconvenience to the maintenance operation. This pneumatic solenoid valve convenient to maintenance, including solenoid valve body, the interface of admitting air, the interface of giving vent to anger and box body, the top and the bottom of box body communicate respectively has top connection and lower clutch, and the inner wall of top connection is provided with the internal thread, and the surface in the lower clutch outside is provided with the external screw thread, and the inside top of box body is fixed with first ring body. The electromagnetic valve has the filtering and drying functions, and not only can filter the entering high-pressure gas at the air inlet, but also can absorb moisture and dry the moisture in the high-pressure gas, thereby greatly reducing the impurities and the moisture entering the electromagnetic valve, effectively reducing the frequency of disassembly and maintenance, bringing convenience to the maintenance work, and simultaneously prolonging the service life of the electromagnetic valve.

Description

Pneumatic solenoid valve convenient to maintenance

Technical Field

The utility model belongs to the technical field of electromagnetic valves, relates to a pneumatic electromagnetic valve, and particularly relates to a pneumatic electromagnetic valve convenient to maintain.

Background

The pneumatic solenoid valve is an electromechanical product widely applied to the control field, the pneumatic solenoid valve blocks or leaks different exhaust holes through the movement of the control valve body, the air inlet hole is normally open, high-pressure gas can enter different exhaust pipes, then the piston of the air cylinder is pushed to move through the air pressure of the pneumatic solenoid valve, and the mechanical movement of the whole solenoid valve can be controlled by controlling the electromagnet current of the pneumatic solenoid valve.

After retrieval, as disclosed in chinese patent literature, a multi-channel high-frequency pneumatic solenoid valve [ application No.: CN 201822222108.1; publication No.: CN209511178U ]. The pneumatic electromagnetic valve comprises a pneumatic electromagnetic valve body, wherein a valve body is arranged at the bottom of the pneumatic electromagnetic valve body, a cover plate is fixedly mounted on one side of the valve body, a coil box is fixedly mounted on the other side of the valve body, a mounting hole is formed in one side of the cover plate, a first fixing rod is fixedly mounted in the mounting hole, the cover plate is fixedly connected with the valve body through the first fixing rod in a threaded mode, and an air outlet is formed in the upper surface of the valve body.

The pneumatic solenoid valve disclosed in this patent because the high-pressure gas of air compressor machine compression contains impurity and moisture usually, and pneumatic solenoid valve itself can't filter impurity, more can't carry out the drying to moisture, and the in-process of long-term use easily leads to the inside jam of solenoid valve, needs often unpack the solenoid valve apart and maintain, has brought inconvenience for maintenance work, also seriously influences the life of pneumatic solenoid valve itself simultaneously.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems in the prior art, and provides the pneumatic electromagnetic valve convenient to maintain, which has the filtering and drying functions, greatly reduces impurities and moisture entering the electromagnetic valve, and effectively reduces the frequency of disassembly maintenance, thereby bringing convenience to maintenance work.

The purpose of the utility model can be realized by the following technical scheme:

the utility model provides a pneumatic solenoid valve convenient to maintenance, includes the solenoid valve body, admits air the interface, gives vent to anger interface and box body, the top and the bottom of box body communicate respectively has top connection and lower clutch, the inner wall of top connection is provided with the internal thread, the surface in the lower clutch outside is provided with the external screw thread, the inside top of box body is fixed with first ring body, the inboard of first ring body is fixed with first block net, the inside of box body and the below that is located first ring body are fixed with the second ring body, the inboard of second ring body is fixed with the second and blocks the net, the inside below of box body is fixed with dry board, the surface of dry board runs through and has seted up the through-hole, the front of box body articulates there is the closing cap, the front of box body and the surface of closing cap are provided with fixed establishment.

The working principle of the utility model is as follows: high-pressure gas gets into the inside of box body through the top connection, and later gas passes first arresting barrier and second arresting barrier, intercepts the impurity of big or small granule in the gas, and the gas after the filtration continues to flow, and when gas passed the through-hole on dry plate surface, the moisture in the dry plate can the effective absorption gas, filters under the effect with gas drying at impurity, and the impurity and the moisture that get into the solenoid valve inside are very little, effectively avoid the solenoid valve to block up, have brought the facility for maintenance work.

The fixing mechanism comprises a fixing screw, a fixing hole and a thread groove, the fixing hole penetrates through the surface of the sealing cover, the thread groove is formed in the front face of the box body, and the fixing screw is in threaded connection with the inner wall of the thread groove.

The structure more than adopting for it is fixed with the box body to be fixed with the closing cap, thereby realizes carrying out sealed effect to the box body.

The surface of the box body is bolted with two groups of deflector rods which are respectively arranged at the left side and the right side of the box body.

By adopting the structure, the shifting rod facilitates the rotation of the box body by a worker, so that the box body is fixed or detached.

The area of the first barrier net is the same as that of the second barrier net, and the mesh number of the first barrier net is smaller than that of the second barrier net.

By adopting the design, the effect of filtering impurities with different sizes of particles in the high-pressure gas is realized.

The sealing gasket is bonded to the back face of the sealing cover and is made of nitrile rubber.

By adopting the structure, the sealing gasket on the back of the sealing cover can be tightly attached to the front of the box body, so that the sealing effect of the sealing cover is improved.

The number of the through holes is a plurality of groups and is uniformly distributed on the surface of the drying plate, and the drying plate is made of an active carbon drying agent.

Design more than adopting promotes the drying effect to gas, avoids in a large amount of moisture gets into the solenoid valve.

Compared with the prior art, this pneumatic solenoid valve convenient to maintenance has following advantage:

1. the pneumatic electromagnetic valve has the functions of filtering and drying, can filter the entering high-pressure gas at the air inlet, and can absorb moisture and dry the moisture in the high-pressure gas, so that impurities and moisture entering the electromagnetic valve are greatly reduced, the frequency of disassembling and maintaining is effectively reduced, convenience is brought to maintenance work, the service life of the pneumatic electromagnetic valve is prolonged, and the problems that the existing pneumatic electromagnetic valves are easy to block due to the fact that the functions of filtering the impurities and drying the moisture are lacked, the frequency of maintenance operation is increased, and inconvenience is brought to the maintenance operation are solved.

2. Through the setting of fixed screw, fixed orifices and thread groove, when the closing cap is closed back, take up the inside that fixed screw passed the fixed orifices and got into the thread groove, alright fixed with closing cap and box body to the realization carries out sealed effect to the box body.

3. Through the setting of driving lever, when fixed or the dismantlement with the lower clutch and the interface that admits air, need rotate the box body, the driving lever then makes things convenient for the staff to rotate the box body to fix the box body or dismantle.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic front sectional view of the present invention.

Fig. 3 is a schematic perspective view of the cartridge of the present invention.

Fig. 4 is a schematic perspective view of a drying plate according to the present invention.

Fig. 5 is a schematic partial perspective view of the present invention.

In the figure, 1, a solenoid valve body; 2. an air inlet interface; 3. an air outlet interface; 4. a box body; 5. an upper joint; 6. an internal thread; 7. a lower joint; 8. an external thread; 9. a first ring body; 10. a first arresting net; 11. a second ring body; 12. a second arresting net; 13. drying the plate; 14. a through hole; 15. a closure cap; 16. a fixing mechanism; 161. fixing screws; 162. a fixing hole; 163. a thread groove; 17. sealing gaskets; 18. a deflector rod.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1-5, the pneumatic solenoid valve convenient for maintenance comprises a solenoid valve body 1, an air inlet 2, an air outlet 3 and a box body 4, wherein the top and the bottom of the box body 4 are respectively communicated with an upper joint 5 and a lower joint 7, the inner wall of the upper joint 5 is provided with an internal thread 6, the surface of the outer side of the lower joint 7 is provided with an external thread 8, a first ring body 9 is fixed above the inner part of the box body 4, a first barrier net 10 is fixed on the inner side of the first ring body 9, a second ring body 11 is fixed inside the box body 4 and below the first ring body 9, a second barrier net 12 is fixed on the inner side of the second ring body 11, a drying plate 13 is fixed below the inner part of the box body 4, a through hole 14 is formed on the surface of the drying plate 13, a sealing cover 15 is hinged on the front surface of the box body 4, a fixing mechanism 16 is arranged on the front surface of the sealing cover 15 of the box body 4, and the solenoid valve has filtering and drying functions, it not only can filter the high-pressure gas who gets into at the air inlet, can carry out the moisture absorption drying to the moisture in the high-pressure gas simultaneously, thereby reduce the impurity and the moisture that get into the solenoid valve inside by a wide margin, effectively reduce the frequency of taking apart the maintenance, thereby brought the facility for maintenance work, also can prolong the life of self simultaneously, some pneumatic solenoid valves of having solved and having now lack impurity filtering and moisture drying's function, block up easily, and then increase the frequency of maintenance operation, bring inconvenient problem for the maintenance operation.

The fixing mechanism 16 includes a fixing screw 161, a fixing hole 162 and a thread groove 163, the fixing hole 162 penetrates through the surface of the closing cover 15, the thread groove 163 is formed on the front surface of the box body 4, the fixing screw 161 is in threaded connection with the inner wall of the thread groove 163, in this embodiment, through the arrangement of the fixing screw 161, the fixing hole 162 and the thread groove 163, after the closing cover 15 is closed, the fixing screw 161 is taken up to pass through the fixing hole 162 and enter the inside of the thread groove 163, so that the closing cover 15 and the box body 4 can be fixed, and the effect of sealing the box body 4 is achieved.

The driving lever 18 has been bolted on the surface of box body 4, and the quantity of driving lever 18 is two sets of and sets up respectively in the left and right sides of box body 4, and in this embodiment, through the setting of driving lever 18, when fixed or the dismantlement with lower clutch 7 and air inlet 2, need rotate box body 4, and driving lever 18 then makes things convenient for the staff to rotate box body 4 to fix or dismantle box body 4.

The area of the first barrier net 10 is the same as that of the second barrier net 12, and the mesh number of the first barrier net 10 is smaller than that of the second barrier net 12, in this embodiment, by designing that the mesh number of the first barrier net 10 is smaller than that of the second barrier net 12, the mesh number of the first barrier net 10 is larger than that of the second barrier net 12, the first barrier net 10 can intercept large-particle impurities, and the second barrier net 12 can intercept small-particle impurities, so as to realize the effect of filtering the impurities with different sizes in the high-pressure gas.

The sealing gasket 17 is bonded to the back surface of the sealing cover 15, and the sealing gasket 17 is made of nitrile rubber, in this embodiment, by the arrangement of the sealing gasket 17, after the sealing cover 15 is fixed with the box 4, the sealing gasket 17 on the back surface of the sealing cover 15 is tightly attached to the front surface of the box 4, so that the sealing effect of the sealing cover 15 is improved.

The quantity of through-hole 14 is a plurality of groups and evenly distributed on the surface of drying plate 13, and the material of drying plate 13 is the active carbon drier, and in this embodiment, the active carbon drier has the characteristics that the ability of absorbing water is strong, and the material through design drying plate 13 is the active carbon drier, and it can effectively adsorb the moisture in the high-pressure gas, promotes the drying effect to gas, avoids in a large amount of moisture gets into the solenoid valve.

The working principle of the utility model is as follows: with the external trachea of top connection 5, internal thread 6 is used for being connected with tracheal screwed joint, in the use, high-pressure gas gets into the inside of box body 4 through top connection 5, later gas passes first arresting barrier 10, large granule impurity in the first arresting barrier 10 interception gas, then gas passes second arresting barrier 12, small granule impurity in the second arresting barrier 12 interception gas, the gas after the filtration continues to flow, when gas passes through the through-hole 14 on dry plate 13 surface, moisture in the dry plate 13 can effective absorption gas, under impurity filtration and gas drying's effect, the impurity and the moisture that get into the solenoid valve inside are little, effectively avoid the solenoid valve to block up, reduce the frequency of taking apart the maintenance simultaneously, bring the facility for maintenance work.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Claims

1. A pneumatic electromagnetic valve convenient to maintain comprises an electromagnetic valve body (1), an air inlet connector (2), an air outlet connector (3) and a box body (4), and is characterized in that the top and the bottom of the box body (4) are respectively communicated with an upper connector (5) and a lower connector (7), an inner wall of the upper connector (5) is provided with an internal thread (6), an external thread (8) is arranged on the surface of the outer side of the lower connector (7), a first ring body (9) is fixed above the inner part of the box body (4), a first blocking net (10) is fixed on the inner side of the first ring body (9), a second ring body (11) is fixed in the inner part of the box body (4) and below the first ring body (9), a second blocking net (12) is fixed on the inner side of the second ring body (11), and a drying plate (13) is fixed below the inner part of the box body (4), the surface of drying plate (13) runs through and has seted up through-hole (14), the front of box body (4) articulates there is closing cap (15), the front of box body (4) and the surface of closing cap (15) are provided with fixed establishment (16).

2. The pneumatic solenoid valve convenient for maintenance according to claim 1, wherein the fixing mechanism (16) comprises a fixing screw (161), a fixing hole (162) and a threaded groove (163), the fixing hole (162) is formed through the surface of the closing cover (15), the threaded groove (163) is formed in the front surface of the box body (4), and the fixing screw (161) is in threaded connection with the inner wall of the threaded groove (163).

3. The pneumatic electromagnetic valve convenient to maintain according to claim 1, characterized in that the surface of the box body (4) is bolted with deflector rods (18), and the deflector rods (18) are two groups and are respectively arranged at the left side and the right side of the box body (4).

4. A service-friendly pneumatic solenoid valve according to claim 1, wherein the area of the first barrier net (10) is the same as the area of the second barrier net (12) and the mesh count of the first barrier net (10) is less than the mesh count of the second barrier net (12).

5. The pneumatic electromagnetic valve convenient for maintenance according to claim 1, wherein a sealing gasket (17) is bonded to the back of the closing cover (15), and the sealing gasket (17) is made of nitrile rubber.

6. The pneumatic solenoid valve convenient for maintenance of claim 1, wherein the number of the through holes (14) is a plurality of groups and is uniformly distributed on the surface of the drying plate (13), and the drying plate (13) is made of an activated carbon drying agent.