阅读说明：本技术 工业制动化设备用气动电磁阀阀芯 (Pneumatic solenoid valve spool for industrial braking equipment ) 是由 祁慧光 于 2019-08-21 设计创作，主要内容包括：本发明公开了工业制动化设备用气动电磁阀阀芯,包括可转动的球形的阀芯和阀芯外的壳体,壳体内设置有流道,阀芯设置有贯穿的通液孔,阀芯转动后可使得通液孔前后端连通流道；壳体上部设置有套管,套管内密封安装有阀杆,阀杆连接阀芯并可驱动其转动；壳体的内壁和阀芯之间设置有充气密封件,充气密封件设置有对应流道的连通口,充气密封件包裹住阀芯的外表面从而使将其和内壁之间进行密封。本发明提供了工业制动化设备用气动电磁阀阀芯,具有密封性能优秀,使用寿命高的优点。(The invention discloses a pneumatic solenoid valve core for industrial braking equipment, which comprises a rotatable spherical valve core and a shell outside the valve core, wherein a flow channel is arranged in the shell, the valve core is provided with a through liquid through hole, and the front end and the rear end of the liquid through hole can be communicated with the flow channel after the valve core rotates; the upper part of the shell is provided with a sleeve, a valve rod is hermetically arranged in the sleeve, and the valve rod is connected with the valve core and can drive the valve core to rotate; an inflatable sealing element is arranged between the inner wall of the shell and the valve core, the inflatable sealing element is provided with a communication port corresponding to the flow channel, and the outer surface of the valve core is wrapped by the inflatable sealing element so as to seal the space between the valve core and the inner wall. The invention provides a pneumatic solenoid valve core for industrial braking equipment, which has the advantages of excellent sealing performance and long service life.)

1. Pneumatic solenoid valve case for industrial braking ization equipment, its characterized in that: the rotary valve comprises a rotatable spherical valve core (2) and a shell (1) outside the valve core (2), wherein a flow channel (11) is arranged in the shell (1), the valve core (2) is provided with a through liquid through hole (21), and the front end and the rear end of the liquid through hole (21) can be communicated with the flow channel (11) after the valve core (2) rotates; a sleeve (12) is arranged at the upper part of the shell (1), a valve rod (26) is hermetically arranged in the sleeve (12), and the valve rod (26) is connected with the valve core (2) and can drive the valve core to rotate; an inflatable sealing piece (3) is arranged between the inner wall of the shell (1) and the valve core (2), the inflatable sealing piece (3) is provided with a communication opening (31) corresponding to the flow channel (11), and the inflatable sealing piece (3) wraps the outer surface of the valve core (2) so as to seal the valve core and the inner wall.

2. The pneumatic solenoid valve cartridge for industrial braking chemical devices according to claim 1, characterized in that: the outer surface of the valve core (2) is provided with a plurality of convex strips (23), the convex strips (23) are parallel to the flow channel (11), and the surface of the inflatable sealing element (3) in contact with the valve core (2) is a flexible surface which can wrap the convex strips (23).

3. The pneumatic solenoid valve cartridge for industrial braking chemical devices according to claim 2, characterized in that: the gas collection device is characterized in that a gas collection portion (33) is arranged on the outer wall of the shell (1), a vent pipe (32) is arranged on the gas collection portion (33), the vent pipe (32) is connected with the inflatable sealing element (3), a gas transmission port is arranged on the gas collection portion (33), and a sealing plug (331) is arranged on the gas transmission port.

4. The pneumatic solenoid valve cartridge for industrial braking and chemical equipment of claim 3, wherein: the sealing plug (331) can be replaced by a barometer and is used for detecting the air pressure inside the inflatable sealing element (3).

5. The pneumatic solenoid valve cartridge for industrial braking chemical devices according to claim 1, characterized in that: be provided with impeller (24) in liquid passing hole (21), can drive when having the liquid circulation in liquid passing hole (21) impeller (24) rotate, impeller (24) are provided with connecting rod (241) and rely on this connecting rod (241) to install in liquid passing hole (21), be provided with the data line in connecting rod (241) and be used for transmitting the rotation information of impeller (24).

6. The pneumatic solenoid valve cartridge for industrial braking chemical devices according to claim 1, characterized in that: a sleeve (14) is arranged in the sleeve (12), and the sleeve (14) is sleeved outside the valve rod (26); the end part of the sleeve (12) is provided with a fastening end head (121), the upper end of the sleeve (14) is connected with a cover plate (13), and the cover plate (13) is installed on the fastening end head (121) through a bolt connection so as to limit the sleeve (14) to leave the sleeve (12).

7. The pneumatic solenoid valve cartridge for industrial braking and chemical equipment of claim 6, wherein: the sleeve (14) is sleeved with a sealing material (15), and the sealing material (15) is used for sealing between the sleeve (14) and the sleeve (12).

8. The pneumatic solenoid valve cartridge for industrial braking chemical devices according to claim 1, characterized in that: the valve core (2) is provided with a pressure balancing port (22), and the pressure balancing port (22) faces to the inlet of the flow channel (11) so that the liquid through hole (21) and the flow channel (11) are balanced in pressure.

9. The pneumatic solenoid valve cartridge for industrial braking chemical devices according to claim 1, characterized in that: the bottom of the shell (1) is provided with a supporting part (16), a supporting hole is formed in the supporting part (16), a supporting rotating shaft (25) is arranged at the bottom of the valve core (2), the supporting rotating shaft (25) is inserted into the supporting hole, threads are arranged at the bottom of the supporting hole, a sealing step (161) is arranged on the supporting part (16), the supporting hole is connected with a top column (4) through the threads, a sealing flange (41) is arranged on the top column (4), and the sealing flange (41) presses on the sealing step (161) to realize sealing; and a sealing ring (42) is arranged between the sealing flange (41) and the sealing step (161).

Technical Field

The invention relates to a pneumatic solenoid valve spool for industrial braking equipment.

Background

And (3) pneumatic valves: by means of a valve driven by compressed air. When the pneumatic valve is purchased, the purchasing requirement is met only by specifying the specification, the category and the pressure, and different innovations are carried out on the pneumatic valve manufacturers under the concept of uniform design of the pneumatic valves for product competition in the current market economic environment, so that the respective enterprise standards and product individuality are formed. Therefore, technical requirements are elaborately proposed during pneumatic valve purchasing, and the pneumatic valve purchasing method is coordinated with a manufacturer to obtain consensus and is necessary to be used as an accessory of a pneumatic valve purchasing contract.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides the pneumatic solenoid valve core for the industrial braking equipment, which has the advantages of excellent sealing performance and long service life.

In order to solve the technical problem, the invention is solved by the following technical scheme: the pneumatic electromagnetic valve core for the industrial braking equipment comprises a rotatable spherical valve core and a shell outside the valve core, wherein a flow channel is arranged in the shell, the valve core is provided with a through liquid through hole, and the front end and the rear end of the liquid through hole can be communicated with the flow channel after the valve core rotates; a sleeve is arranged at the upper part of the shell, a valve rod is hermetically arranged in the sleeve, and the valve rod is connected with the valve core and can drive the valve core to rotate; an inflatable sealing element is arranged between the inner wall of the shell and the valve core, the inflatable sealing element is provided with a communication port corresponding to the flow channel, and the outer surface of the valve core is wrapped by the inflatable sealing element so as to seal the valve core and the inner wall.

In the technical scheme, the outer surface of the valve core is provided with a plurality of convex strips, the convex strips are parallel to the flow channel, and the surface of the inflatable sealing element, which is in contact with the valve core, is a flexible surface which can wrap the convex strips.

In the above technical scheme, the outer wall of the casing is provided with a gas collection part, the gas collection part is provided with a vent pipe, the vent pipe is connected with the inflatable sealing element, the gas collection part is provided with a gas transmission port, and the gas transmission port is provided with a sealing plug.

In the technical scheme, the sealing plug can be replaced by a barometer for detecting the air pressure inside the inflatable sealing element.

In the technical scheme, an impeller is arranged in the liquid through hole, the impeller can be driven to rotate when liquid circulates in the liquid through hole, the impeller is provided with a connecting rod and is installed in the liquid through hole by means of the connecting rod, and a data line is arranged in the connecting rod and used for transmitting rotation information of the impeller.

In the above technical scheme, a sleeve is arranged in the sleeve, and the sleeve is sleeved outside the valve rod; the sleeve is characterized in that a fastening end is arranged at the end part of the sleeve, a cover plate is connected to the upper end of the sleeve, and the cover plate is installed on the fastening end through a bolt so as to limit the sleeve to leave the sleeve.

In the technical scheme, the sleeve is sleeved with the sealing material, and the sealing material is used for sealing between the sleeve and the sleeve.

In the above technical solution, the valve core is provided with a pressure balancing port, and the pressure balancing port faces to the inlet of the flow channel so that the liquid through hole and the flow channel are pressure balanced.

In the technical scheme, a supporting part is arranged at the bottom of the shell, a supporting hole is formed in the supporting part, a supporting rotating shaft is arranged at the bottom of the valve core and is inserted into the supporting hole, threads are arranged at the bottom of the supporting hole, the supporting part is provided with a sealing step, the supporting hole is connected with a top column by utilizing the threads, the top column is provided with a sealing flange, and the sealing flange is pressed on the sealing step to realize sealing; and a sealing ring is arranged between the sealing flange and the sealing step.

The invention provides a pneumatic solenoid valve core for industrial braking equipment, which has the advantages of excellent sealing performance and long service life.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be discussed below, it is obvious that the technical solutions described in conjunction with the drawings are only some embodiments of the present invention, and for those skilled in the art, other embodiments and drawings can be obtained according to the embodiments shown in the drawings without creative efforts.

FIG. 1 is a schematic cross-sectional view of the present invention.

Fig. 2 is a schematic diagram of the structure at a in fig. 1.

Fig. 3 is a schematic diagram of the structure at B in fig. 1.

Detailed Description

The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments described herein without the need for inventive work, are within the scope of the present invention.

The embodiment of the invention provides a pneumatic solenoid valve core for industrial braking equipment, which has the advantages of excellent sealing performance and long service life.

As shown in fig. 1 to 3, the pneumatic solenoid valve core for industrial braking equipment includes a rotatable spherical valve core 2 and a housing 1 outside the valve core 2, wherein a flow channel 11 is arranged in the housing 1, the valve core 2 is provided with a through liquid through hole 21, and after the valve core 2 rotates, the front end and the rear end of the through liquid through hole 21 can be communicated with the flow channel 11; a sleeve 12 is arranged at the upper part of the shell 1, a valve rod 26 is hermetically arranged in the sleeve 12, and the valve rod 26 is connected with the valve core 2 and can drive the valve core to rotate; an inflatable sealing element 3 is arranged between the inner wall of the shell 1 and the valve core 2, the inflatable sealing element 3 is provided with a communication port 31 corresponding to the flow channel 11, and the inflatable sealing element 3 wraps the outer surface of the valve core 2 so as to seal the valve core 2 and the inner wall. The valve rod 26 is driven to rotate by external pneumatic means, so that the valve core 2 rotates synchronously. When the liquid through hole 21 in the valve core 2 is communicated with the flow channel 11, the device starts the circulation work. Wherein, through adjusting the angle that valve core 2 rotated to the aperture that the circulation was opened is controlled, consequently can control the circulation of liquid.

The outer surface of the valve core 2 is provided with a plurality of convex strips 23, the convex strips 23 are parallel to the flow channel 11, and the surface of the inflatable sealing element 3, which is in contact with the valve core 2, is a flexible surface and can wrap the convex strips 23.

The outer wall of the shell 1 is provided with a gas collecting part 33, the gas collecting part 33 is provided with a vent pipe 32, the vent pipe 32 is connected with the inflatable sealing element 3, the gas collecting part 33 is provided with a gas transmission port, and the gas transmission port is provided with a sealing plug 331.

The sealing plug 331 can be replaced by a barometer for detecting the air pressure inside the inflatable sealing element 3.

Be provided with impeller 24 in the liquid through hole 21, can drive when having the liquid circulation in the liquid through hole 21 impeller 24 rotates, impeller 24 is provided with connecting rod 241 and relies on this connecting rod 241 to install in the liquid through hole 21, be provided with the data line in the connecting rod 241 and be used for transmitting impeller 24's rotation information.

A sleeve 14 is arranged in the sleeve 12, and the sleeve 14 is sleeved outside the valve rod 26; the sleeve 12 is provided with a fastening head 121 at the end, a cover plate 13 is connected to the upper end of the sleeve 14, and the cover plate 13 is mounted on the fastening head 121 by using a bolt connection so as to limit the sleeve 14 from leaving the sleeve 12.

The sleeve 14 is sleeved with a sealing material 15, and the sealing material 15 is used for sealing between the sleeve 14 and the sleeve 12.

The valve core 2 is provided with a balance pressure port 22, and the balance pressure port 22 faces the inlet of the flow passage 11 so as to balance the pressure of the liquid through hole 21 and the flow passage 11.

The bottom of the shell 1 is provided with a supporting part 16, a supporting hole is formed in the supporting part 16, a supporting rotating shaft 25 is arranged at the bottom of the valve core 2, the supporting rotating shaft 25 is inserted into the supporting hole, the bottom of the supporting hole is provided with a thread, the supporting part 16 is provided with a sealing step 161, the supporting hole is connected with a top column 4 through the thread, the top column 4 is provided with a sealing flange 41, and the sealing flange 41 is pressed on the sealing step 161 to realize sealing; a sealing ring 42 is arranged between the sealing flange 41 and the sealing step 161.

The device is a brand new technical scheme, and the gap between the shell 1 and the valve core 2 is filled with the inflatable sealing element 3, so that the sealing performance is improved. In addition, a gas collecting unit 33 is provided to monitor the operation. The re-gas collecting part can be provided with a sealing plug, and can also be monitored by adopting a barometer.

The device is provided with a plurality of convex strips 23 parallel to the flow channel 11 on the valve core 2. And the surface of the inflatable sealing element 3 contacted with the valve core 2 is set to be a flexible surface which can wrap the convex strip 23, thereby further improving the sealing performance. Moreover, it has a guiding action, so that the rotation of the cartridge 2, including the refill seal 3, is smoother.

In order to detect the liquid flow inside the valve core, the device is provided with an impeller 24 in the liquid flow hole 21. When the liquid is circulated, the impeller 24 can be driven to rotate. The rotation data of the impeller 24 is transmitted to the outside through the data line in the connecting rod 241.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive. The scope of the invention is indicated by the appended claims, rather than the foregoing description, and all changes that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.