CN211344118U

CN211344118U - Multi-connected installation plug valve

Info

Publication number: CN211344118U
Application number: CN201921947778.8U
Authority: CN
Inventors: 吴中玉; 王成名; 周朝明; 张万华; 姜十全
Original assignee: Ningbo Guochuang Locomotive Equipment Co ltd
Current assignee: Ningbo Guochuang Locomotive Equipment Co ltd
Priority date: 2019-11-12
Filing date: 2019-11-12
Publication date: 2020-08-25
Anticipated expiration: 2029-11-12

Abstract

The utility model provides a multi-connected plug valve, which relates to the field of control valves and comprises a trigger device, a transmission assembly, an execution assembly and a non-return device; the trigger device is connected with the transmission assembly, the trigger device is used for driving the transmission assembly to move, the transmission assembly is connected with the execution assembly, the transmission assembly is used for driving the execution assembly to be switched between an opening state and a closing state, the non-return device is communicated with the gas path of the execution assembly, and the non-return device is used for limiting gas backflow. The utility model discloses a many gang mounting cock can control two at least execution units's switching, saves cock number, simplifies the system operation, reduces operating personnel's error rate, is provided with the non return device simultaneously, and the non return device can effectually prevent gas adverse current to avoid installing the gas circuit disorder that the cock leads to against the current when in-service use.

Description

Multi-connected installation plug valve

Technical Field

The utility model relates to a control valve field particularly, relates to an installation cock more ally oneself with.

Background

The installation cock is a control valve, is used for controlling the break-make of hydraulic pressure or pneumatic control system, mainly is used in braking system on the vehicle, and the installation cock that uses on the market is a antithetical couplet installation cock mostly, may need a plurality of such antithetical couplet installation cocks in a system, and the switching of controlling these antithetical couplet installation cocks simultaneously needs a plurality of control switches, makes the connection and the operation of whole system become comparatively complicated like this, lacks the structure that prevents gas adverse current simultaneously on present installation cock, leads to the installation cock to take place the gas circuit disorder that gas adverse current leads to under the use of some circumstances.

SUMMERY OF THE UTILITY MODEL

The utility model provides a problem lack the structure that prevents the gas countercurrent in the current installation cock.

In order to solve the problems, the utility model provides a multi-connected installation plug valve, which comprises a trigger device, a transmission component, an execution component and a non-return device; the trigger device is connected with the transmission assembly, the trigger device is used for driving the transmission assembly to move, the transmission assembly is connected with the execution assembly, the transmission assembly is used for driving the execution assembly to be switched between an opening state and a closing state, the non-return device is communicated with the gas path of the execution assembly, and the non-return device is used for limiting gas backflow.

Preferably, the valve further comprises a valve body, wherein at least two ventilation channels are arranged in the valve body, at least two air ports are arranged on the ventilation channels, and the air ports are used for air inlet or air outlet.

Preferably, the actuating assembly comprises at least two actuating units, each actuating unit comprises a valve core, and the valve cores are arranged on the ventilation channels and are used for switching on and off the ventilation channels.

Preferably, one said valve spool is disposed between two said ports.

Preferably, said check means comprises a check valve disposed in any one of said vent passages.

Preferably, the transmission assembly comprises at least two transmission units, the transmission unit comprises a transmission gear, the execution assembly comprises two execution units, the transmission gear is connected with the execution units, the transmission gear and the execution units coaxially rotate, and one of the transmission units is connected with the trigger device and coaxially rotates with the trigger device.

Preferably, a plurality of the transmission gears are in mesh transmission with each other or in mesh transmission through a transition gear.

Preferably, the trigger device comprises a rotating shaft, the transmission assembly comprises a transmission unit, the rotating shaft is connected with one of the transmission units, and the rotating shaft and the transmission unit rotate coaxially.

Preferably, the device further comprises a monitoring trigger device, wherein the monitoring trigger device is arranged on the trigger device and is used for monitoring the movement of the trigger device and transmitting the opening or closing state of the executing component outwards.

Preferably, the monitoring trigger device comprises a toggle block and a microswitch, the toggle block is mounted on the trigger device and moves along with the trigger device to press or release the microswitch, and the microswitch is used for transmitting an electric signal outwards.

The utility model discloses a many gang mounting cock can control two at least execution units's switching, saves cock number, simplifies the system operation, reduces operating personnel's error rate, is provided with the non return device simultaneously, and the non return device can effectually prevent gas adverse current to avoid installing the gas circuit disorder that the cock leads to against the current when in-service use.

Drawings

Fig. 1 is an internal structure diagram of a multi-connected plug installation provided by the embodiment of the invention;

fig. 2 is a top view of a multi-connected installation cock provided by the embodiment of the present invention after a valve cover is removed;

FIG. 3 is a cross-sectional view taken at C-C of FIG. 2;

FIG. 4 is a cross-sectional view taken at A-A of FIG. 2;

fig. 5 is a cross-sectional view at B-B in fig. 2.

Description of reference numerals:

1-valve body, 2-vent channel, 3-air port, 4-valve core, 5-transmission gear, 6-first valve core, 7-second valve core, 8-third valve core, 9-fourth valve core, 10-first transmission gear, 11-second transmission gear, 12-third transmission gear, 13-fourth transmission gear, 14-transition gear, 15-check valve, 16-check valve cover, 17-spring, 18-check valve core, 19-rotation shaft, 20-valve cover, 21-toggle block and 22-microswitch.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others. The scope of embodiments of the invention encompasses the full ambit of the claims, as well as all available equivalents of the claims. Embodiments may be referred to herein, individually or collectively, by the term "utility model" merely for convenience and without intending to voluntarily limit the scope of this application to any single utility model or utility model concept if more than one is in fact disclosed.

Herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed. The embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. For the structures, products and the like disclosed by the embodiments, the description is relatively simple because the structures, the products and the like correspond to the parts disclosed by the embodiments, and the relevant parts can be just described by referring to the method part.

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.

The embodiment of the utility model provides a many gang mounted cock, in this embodiment, combine shown in fig. 1 and fig. 2, including trigger device, drive assembly, executive component and non return device; the trigger device is connected with the transmission assembly, the trigger device is used for driving the transmission assembly to move, the transmission assembly is connected with the execution assembly, the transmission assembly is used for driving the execution assembly to be switched between an opening state and a closing state, the check device is communicated with an air passage of the execution assembly, and the check device is used for limiting gas backflow.

The execution assembly at least comprises two execution units: the first execution unit and the second execution unit are connected with the transmission assembly and synchronously rotate, the execution unit is changed from an open state or a closed state to a closed state or an open state after rotation, the transmission assembly at least comprises two transmission units, the number of the transmission units is the same as that of the execution units, and when the number of the execution units is only two, the transmission units are also only two: the first transmission unit is respectively connected with the trigger device and the first execution unit and is used for synchronously and coaxially rotating with the trigger device and the first execution unit and transmitting the rotating action to the second transmission unit; the second transmission unit is connected with the second execution unit and synchronously rotates to receive the rotation action transmitted by the first transmission unit.

When the number of the execution units of the execution assembly is more than three and less than or equal to four, the number of the transmission units is the same as that of the execution units, the first transmission units connected with the first execution units are respectively connected with other transmission units, the trigger device rotates and drives the first transmission units to synchronously and coaxially rotate, and the first transmission units drive other transmission units to synchronously and coaxially rotate.

When the number of the transmission units of the transmission group is more than four, the transmission units comprise a first transmission unit, a second transmission unit, a third transmission unit, a fourth transmission unit, a fifth transmission unit, a sixth transmission unit, … … and an nth transmission unit, the second transmission unit, the third transmission unit and the fourth transmission unit are driven by the first transmission unit to synchronously and coaxially rotate respectively, the fifth transmission unit is driven by the second transmission unit, the sixth transmission unit is driven by the third transmission unit, and the nth transmission unit is driven by the n-3 th transmission unit to rotate.

Meanwhile, the check device is arranged on one side of the execution unit, and if the number of the execution units is n, the check device is arranged on the nth side of the execution unit.

The multi-connection installation cock in the embodiment can control the opening and closing of at least two execution units, saves the number of cocks, simplifies the system operation, reduces the error rate of operators, is provided with the non-return device simultaneously, and the non-return device can effectively prevent gas from flowing against the flow, thereby avoiding the gas circuit disorder caused by the gas flowing against the flow when the installation cock is in actual use.

In this embodiment, the multiple-unit installation plug valve further comprises a valve body 1, wherein the triggering device is installed outside the valve body 1, the transmission assembly is installed on the valve body 1, the execution assembly and the check device are installed in the valve body 1, at least two air vent channels 2 are arranged in the valve body 1, at least one execution unit is installed on each air vent channel 2, the check device is installed on one air vent channel 2, at least two air ports 3 are arranged on the air vent channels 2, the air ports 3 are used for air intake or air outlet, an execution unit is arranged between the two air ports 3, and the air ports 3 are used for air intake or air outlet according to the structure of a connected air circuit board.

The execution unit comprises a valve core 4, the valve core 4 is arranged on the ventilation channel 2 and used for switching on and off the ventilation channel, the valve core 4 is of a cylindrical structure, protruding shaft bodies are arranged at the upper end and the lower end of the valve core 4, a corresponding shaft hole is formed in the valve body 1, the valve core 4 can rotate around the shaft center, a through hole penetrating through two sides is formed in the valve core 4 and used for communicating the ventilation channel 2 at two sides of the valve core 4, and a transmission unit is arranged on the valve core 4.

The transmission unit comprises a transmission gear 5, the transmission gear 5 is connected with the execution unit, the transmission gear 5 and the execution unit rotate coaxially, specifically, the transmission gear 5 is arranged on a shaft body at the upper end of the valve core 4, the valve core 4 is driven to rotate when the transmission gear 5 rotates, the transmission gear 5 comprises a middle shaft part and a disk-shaped gear part, wherein the lower end of the shaft part is connected with the shaft body of the valve core 4, in the embodiment, a round hole for inserting the shaft body of the valve core 4 is arranged in the middle of the shaft part of the transmission gear 5, after the shaft body of the valve core 4 is inserted into the shaft part of the transmission gear 5, the valve core and the transmission gear are in pin joint through a cylindrical pin, in other embodiments, a round hole for inserting the shaft part of the transmission gear 5 can be arranged in the middle of the shaft body of the valve core 4, after the shaft part of the transmission gear 5 is inserted into the middle of the shaft body of the valve core 4, the transmission gear and the valve core are in pin joint through a cylindrical pin.

In this embodiment, as shown in fig. 2, 4 and 5, the actuating assembly includes four actuating units, and the four actuating units include four valve cores, which are respectively: the first valve core 6, the second valve core 7, the third valve core 8 and the fourth valve core 9, the transmission unit corresponding to the actuating assembly is also provided with four, including four transmission gears 5, which are respectively: a first transmission gear 10, a second transmission gear 11, a third transmission gear 12 and a fourth transmission gear 13. In this embodiment, the first and second serial numbers correspond to each other, wherein the upper end of the shaft portion of the first transmission gear 10 is connected to the triggering device, and the connection modes such as pin connection, plug connection, and thread connection can be adopted, the second transmission gear 11, the third transmission gear 12, and the fourth transmission gear 13 are respectively engaged with the first transmission gear 10, the triggering device drives the first transmission gear 10 to rotate, and the first transmission gear drives the second transmission gear 11, the third transmission gear 12, and the fourth transmission gear 13 to rotate.

In the embodiment, a transition gear 14 is further arranged between the transmission gears 5 in meshed transmission, and the transition gear 14 can enable the transmission gears 5 to rotate in the same direction, so that the steering consistency is maintained.

In the present embodiment, the first valve spool 6 and the fourth valve spool 9 are installed in the same vent channel 2, the check valve 15 is installed on one side of the fourth valve spool 9, three gas ports 3, namely, a gas inlet port a1, a gas outlet port a2 and a gas inlet port A3, are provided in the vent channel 2 where the first valve spool 6 and the fourth valve spool 9 are located, wherein the first valve spool 6 is disposed between the gas inlet port a1 and the gas outlet port a2, the fourth valve spool 9 is disposed between the gas outlet port a2 and the gas inlet port A3, the check valve 15 is disposed above the gas inlet port A3, and the check valve 15 allows gas to enter from the gas inlet port A3 and prevents gas from leaking from the gas inlet port A3.

Specifically, a mounting hole is formed in the valve body 1, the mounting hole is formed above the air inlet A3, the check valve 15 is installed in the mounting hole, the check valve 15 comprises a check valve cover 16, a check valve core 18 and a spring 17, the check valve core 18, the spring 17 and the check valve cover 16 are sequentially installed in the mounting hole, the check valve cover 16 is fixed on the mounting hole, the check valve core 18 can move in the mounting hole, the check valve core 18 is pressed above the air inlet A3 under the action of the spring 17, so that the air inlet A3 is disconnected from the ventilation channel 2, if air is supplied into the air inlet A3, the check valve core 18 is lifted up under the action of air pressure, if air is stopped being supplied into the air inlet A3, the check valve core 18 returns to the original position under the action of the spring 17, if the first valve core 6 and the fourth valve core 9 are still in the open state, the air pressure in the ventilation channel 2 is increased, so that the check valve core 18 is firmly pressed, the gas does not flow back from the gas inlet a 3.

In the present embodiment, as shown in fig. 2 and 4, the second valve spool 7 is installed in one of the air vent channels 2, and the air ports 3 are provided at both ends of the air vent channel 2, respectively: the inlet B1 and the outlet B2 are configured such that the inlet B1 and the outlet B2 communicate with each other when the second valve body 7 is in the open state, and the inlet B1 and the outlet B2 are disconnected when the second valve body 7 is in the closed state.

In the present embodiment, as shown in fig. 2 and 5, the third valve element 8 is installed in one of the vent passages 2, and the ports 3 are provided at both ends of the vent passage 2, which are: the inlet port C1 and the outlet port C2 are configured such that the inlet port C1 and the outlet port C2 communicate with each other when the third valve body 8 is in the open state, and the inlet port C1 and the outlet port C2 are disconnected when the third valve body 8 is in the closed state.

In this embodiment, trigger device includes axis of rotation 19 and handle, and axis of rotation 19 lower extreme is connected with a drive unit to with the coaxial rotation of drive unit, specifically, the 19 lower extremes of axis of rotation is connected with the axial region upper end of first drive gear 10, and the upper end of axis of rotation 19 is provided with the handle, and axis of rotation 19 and handle carry out the pin joint, drive axis of rotation 19 through the handle and rotate, thereby drive transmission assembly and rotate, make the executive component open or close.

The valve body 1 is provided with a valve cover 20, the handle is arranged outside the valve cover 20, a rotating shaft 19 penetrates through the valve cover 20 to connect the handle and a transmission unit, the valve cover 20 is also internally provided with a monitoring trigger device, the monitoring trigger device is arranged on the trigger device and is used for monitoring or sensing the motion of the trigger device and transmitting the opening or closing state of the actuating component outwards, concretely, the monitoring trigger device comprises a toggle block 21 and a microswitch 22, the toggle block 21 is arranged on the rotating shaft 19 and rotates along with the rotating shaft 19, the microswitch 22 is fixed in the valve cover 20, the toggle block 21 is provided with a convex block, when the monitoring trigger device moves along with the trigger device, the convex block on the toggle block 21 presses or releases the microswitch 22, so that the microswitch outwards transmits an electric signal representing the opening or closing of the actuating component, concretely, when the microswitch 22 is pressed, the output electric signal is 1, when the microswitch 22 is loosened, the output electric signal is 0, wherein the electric signal 1 represents that the execution component is opened, and the electric signal 0 represents that the execution component is closed, so that a worker can visually know the use state of the multi-connection installation plug door, and accidents caused by misoperation are avoided.

Although the present invention has been disclosed above, the scope of the present invention is not limited thereto. Without departing from the spirit and scope of the present invention, those skilled in the art can make various changes and modifications, which will fall into the protection scope of the present invention.

Claims

1. The multi-connection installation plug valve is characterized by comprising a triggering device, a transmission assembly, an execution assembly and a check device; the trigger device is connected with the transmission assembly, the trigger device is used for driving the transmission assembly to move, the transmission assembly is connected with the execution assembly, the transmission assembly is used for driving the execution assembly to be switched between an opening state and a closing state, the non-return device is communicated with the gas path of the execution assembly, and the non-return device is used for limiting gas backflow.

2. A multiple-unit installation plug door according to claim 1, further comprising a valve body (1), wherein at least two vent channels (2) are arranged in the valve body (1), at least two air ports (3) are arranged on the vent channels (2), and the air ports (3) are used for air inlet or air outlet.

3. A multiple installation plug according to claim 2, wherein said actuator assembly comprises at least two actuator units, said actuator units comprise a valve core (4), said valve core (4) is arranged on said vent channel (2), said valve core (4) is used for opening and closing said vent channel (2).

4. A multiple installation plug according to claim 3, characterised in that one said spool (4) is arranged between two said ports (3).

5. A multiple installation plug as claimed in claim 2, in which said non-return means comprise a non-return valve (15), said non-return valve (15) being provided in any of said vent passages (2).

6. A multiple mounting plug as claimed in claim 1, wherein the transmission assembly includes at least two transmission units, the transmission unit includes a transmission gear (5), the actuating assembly includes two actuating units, the transmission gear (5) is connected with the actuating units, the transmission gear (5) and the actuating units rotate coaxially, and one of the transmission units is connected with the triggering device and rotates coaxially with the triggering device.

7. A multiple installation plug according to claim 6, characterised in that a plurality of said transmission gears (5) are in mesh transmission with each other or with a transition gear (14).

8. A multiple installation plug as claimed in claim 1, wherein said triggering means comprises a rotating shaft (19), said transmission assembly comprises transmission units, said rotating shaft (19) is connected to one of said transmission units, and said rotating shaft (19) rotates coaxially with said transmission unit.

9. A multiple installation plug as claimed in claim 1, further comprising a monitoring trigger device mounted on the trigger device for monitoring the movement of the trigger device and transmitting the open or closed state of the actuator assembly outwardly.

10. A multiple installation plug as claimed in claim 9, wherein said monitoring trigger means comprises a toggle block (21) and a microswitch (22), said toggle block (21) is installed on said trigger means and presses or releases said microswitch (22) following the movement of said trigger means, said microswitch (22) is used for transmitting electric signals outwards.