阅读说明：本技术 一种阀门 (Valve gate ) 是由 周美发 陈略 于 2021-08-06 设计创作，主要内容包括：本发明用于阀门技术领域,特别涉及一种阀门,包括连接套筒,侧边设有安装口,连接套筒内部设有螺纹；阀芯,具有进气口和出气口,阀芯上转动安装有锁具；调节螺栓,滑动装配在阀芯外部并与连接套筒螺纹连接,调节螺栓的端部设有齿盘；防松件,转动装配在安装口中,防松件的端部嵌入齿盘的齿口,当需要将出气口打开时,打开锁具按压阀芯,阀芯在调节螺栓中滑动以将出气口露出,当需要关闭出气口时,阀芯在调节螺栓中滑动,以使调节螺栓遮挡出气口,转动锁具,使得锁具转动到安装口的位置将防松件夹紧在锁具与齿盘之间,最后将阀芯锁紧,当需要对防松件进行拆卸时,直接将锁具松开然后转动锁具即可将防松件彻底拆卸下来。(The invention is used in the technical field of valves, and particularly relates to a valve which comprises a connecting sleeve, wherein the side edge of the connecting sleeve is provided with a mounting hole, and the inside of the connecting sleeve is provided with a thread; the valve core is provided with an air inlet and an air outlet, and a lockset is rotatably arranged on the valve core; the adjusting bolt is assembled outside the valve core in a sliding mode and is in threaded connection with the connecting sleeve, and a fluted disc is arranged at the end of the adjusting bolt; anti-loosening element, the rotation assembly is in the installing port, the tooth mouth of tip embedding fluted disc of anti-loosening element, when needs are opened the gas outlet, open the tool to lock and press down the case, the case slides in adjusting bolt in order to expose the gas outlet, when needs close the gas outlet, the case slides in adjusting bolt, so that adjusting bolt shelters from the gas outlet, rotate the tool to lock, make the tool to lock rotate the position of installing port and press from both sides tight locking element between tool to lock and fluted disc, at last with case locking, when needs are dismantled locking element, directly loosen the tool to lock and then rotate the tool to lock and can thoroughly dismantle locking element.)

1. A valve, characterized by: comprises that

The side edge of the connecting sleeve is provided with a mounting opening, and threads are arranged inside the connecting sleeve;

the valve core is provided with an air inlet and an air outlet, and a lock is rotatably arranged on the valve core and used for locking or loosening the valve core;

the adjusting bolt is assembled outside the valve core in a sliding mode and is in threaded connection with the connecting sleeve, and a fluted disc is arranged at the end of the adjusting bolt;

the anti-loosening piece is rotatably assembled in the mounting opening, the end part of the anti-loosening piece is of a wedge-shaped structure, and the end part of the anti-loosening piece is embedded into the tooth opening of the fluted disc;

the lock rotates to the mounting opening to clamp the anti-loosening member between the lock and the fluted disc.

2. The valve of claim 1, wherein: the connecting sleeve comprises a connecting seat and a fixing seat, the connecting seat and the fixing seat are matched with each other, threads are arranged inside the connecting seat, the mounting opening is formed in the side wall of the fixing seat, a limiting step is arranged inside the fixing seat, and the limiting step is matched with the fluted disc.

3. The valve of claim 2, wherein: the side of fixing base is equipped with the first mouth of dodging, be equipped with on the tool to lock with the first second of dodging mouthful alignment dodges the mouth, the first mouth of dodging with be used for the instrument to stretch into in the second dodges the mouth in order to stir the fluted disc.

4. The valve of claim 2, wherein: the lock comprises a lock body, a lock column and a marble, wherein the lock column is assembled in the lock body in a sliding mode, the valve core is assembled in the lock body in a sliding mode, a groove is formed in the valve core, a concave position is formed in the lock column, when the lock locks the valve core, one end of the marble is embedded into the groove, and the other end of the marble is abutted to the side wall of the lock column.

5. The valve of claim 4, wherein: a spring cap is arranged inside the lockset body and connected with the valve core, and a first spring is arranged between the spring cap and the lock cylinder.

6. The valve of claim 5, wherein: a sealing bag is arranged between the spring cap and the valve core, and a second spring is arranged between the sealing bag and the spring cap.

7. The valve of claim 5, wherein: the utility model discloses a lock, including spring cap, limiting plate, spacing passageway and limiting groove, spring cap both ends are equipped with the limiting plate, lock body inner wall is equipped with the stopper, be equipped with spacing passageway and limiting groove on the fixing base, spacing passageway with the limiting plate is mutually supported, the limiting groove with the stopper is mutually supported, spacing passageway is followed the axial extension of fixing base, the limiting groove is followed the circumferential extension of fixing base and with spacing passageway intercommunication, the limiting plate is in after spacing passageway cooperation targets in place, the lock body can rotate so that the stopper imbeds the limiting groove.

8. The valve of claim 4, wherein: the locking piece comprises a fixed column, a first positioning plate and a second positioning plate, the first positioning plate and the second positioning plate are branched and connected to the side edge of the fixed column, the end portion of the first positioning plate is used for being embedded into a tooth opening of the fluted disc, and the second positioning plate is abutted to the lockset body.

9. The valve of claim 4, wherein: the groove has a fine tuning section.

10. The valve of claim 9, wherein: the gas outlet comprises a small flow opening and a large flow opening, the small flow opening is smaller than the large flow opening, the valve core moves in the fine adjustment region to open or close the small flow opening, and after the valve core is loosened by the lock, the valve core can open the large flow opening.

Technical Field

The invention belongs to the technical field of valves, and particularly relates to a valve.

Background

The notice number is: CN 106090414B provides an anti-gas-filling and anti-dismantling valve for liquefied gas steel cylinder, and CN106567963B provides a valve structure with coded lock; the two valves have a similar principle, and both valves are provided with a blocking device at the bottom of the valve to prevent the valve from being illegally detached, but both valves cannot be completely detached, so that the valve is easily sealed in the process of trying to detach the valve.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the valve provided by the invention can realize looseness prevention, is convenient to disassemble, and avoids the problem of poor sealing of the valve caused by attempted disassembly.

One embodiment of the present invention provides a valve comprising

The side edge of the connecting sleeve is provided with a mounting opening, and threads are arranged inside the connecting sleeve;

the valve core is provided with an air inlet and an air outlet, and a lock is rotatably arranged on the valve core and used for locking or loosening the valve core;

the adjusting bolt is assembled outside the valve core in a sliding mode and is in threaded connection with the connecting sleeve, and a fluted disc is arranged at the end of the adjusting bolt;

the anti-loosening piece is rotatably assembled in the mounting opening, the end part of the anti-loosening piece is of a wedge-shaped structure, and the end part of the anti-loosening piece is embedded into the tooth mouth of the fluted disc.

The lock rotates to the mounting opening to clamp the anti-loosening member between the lock and the fluted disc.

The valve provided by the embodiment of the invention at least has the following beneficial effects: when the air outlet needs to be opened, the lock is opened to loosen the valve core, then the valve core is pressed, so that the valve core slides in the adjusting bolt to expose the air outlet, ventilation is realized, when the air outlet needs to be closed, the valve core is pulled and slides in the adjusting bolt so that the adjusting bolt shields the air outlet and the air outlet is closed, then the lock is rotated to the position of the mounting opening to clamp the anti-loosening piece between the lock and the fluted disc, because the wedge-shaped end part of the anti-loosening piece is embedded into the tooth opening of the fluted disc, therefore, the anti-loosening piece can limit the fluted disc and finally lock the valve core through the lock, so that when the anti-loosening piece needs to be disassembled, directly loosening the lock and then rotating the lock so that the lock rotates to leave the mounting opening, can thoroughly dismantle locking piece, stopped because the attempt of dismantling leads to valve leakproofness variation.

According to another embodiment of the valve, the connecting sleeve includes a connecting seat and a fixing seat, the connecting seat and the fixing seat are matched with each other, threads are arranged inside the connecting seat, the mounting opening is formed in a side wall of the fixing seat, a limiting step is arranged inside the fixing seat, and the limiting step is matched with the fluted disc.

According to the valve of other embodiments of the present invention, a first avoiding opening is formed in a side edge of the fixing seat, a second avoiding opening aligned with the first avoiding opening is formed in the lock, and a tool is inserted into the first avoiding opening and the second avoiding opening to rotate the rotary table.

According to the valve of other embodiments of the invention, the lock comprises a lock body, a lock cylinder and a marble, the lock cylinder is slidably assembled in the lock body, the valve core is slidably assembled in the lock body, a groove is formed in the valve core, a concave position is formed in the lock cylinder, when the valve core is locked by the lock, one end of the marble is embedded into the groove, and the other end of the marble is abutted against the side wall of the lock cylinder.

According to the valve of other embodiments of the invention, a spring cap is arranged inside the lock body, the spring cap is connected with the valve core, and a first spring is arranged between the spring cap and the lock cylinder.

According to other embodiments of the valve of the present invention, a sealing bag is disposed between the spring cap and the valve core, and a second spring is disposed between the sealing bag and the spring cap.

According to the valve of other embodiments of the invention, the spring cap is provided with limiting plates at two ends, the inner wall of the lock body is provided with a limiting block, the fixing seat is provided with a limiting channel and a limiting groove, the limiting channel is matched with the limiting plate, the limiting groove is matched with the limiting groove, the limiting channel extends along the axial direction of the fixing seat, the limiting groove extends along the circumferential direction of the fixing seat and is communicated with the limiting channel, and after the limiting plate is matched with the limiting channel in place, the lock body can rotate to enable the limiting block to be embedded into the limiting groove.

According to other embodiments of the valve, the anti-loosening element comprises a fixed column, a first positioning plate and a second positioning plate, the first positioning plate and the second positioning plate are branched and connected to the side edge of the fixed column, the end portion of the first positioning plate is used for being embedded into a tooth opening of the fluted disc, and the second positioning plate is abutted to the lock body.

According to further embodiments of the valve of the present invention, the groove has a trim interval.

According to other embodiments of the valve of the present invention, the gas outlet includes a small flow opening and a large flow opening, the small flow opening is smaller than the large flow opening, the valve element moves in the fine adjustment region to open or close the small flow opening, and after the lock releases the valve element, the valve element can open the large flow opening.

Drawings

FIG. 1 is a schematic diagram of one embodiment of the present invention;

FIG. 2 is an exploded view of the embodiment of FIG. 1;

FIG. 3 is a schematic structural view of the connecting socket in the embodiment shown in FIG. 1;

FIG. 4 is a schematic structural view of the fixing base in the embodiment shown in FIG. 1;

FIG. 5 is a schematic view of the construction of the adjusting bolt of the embodiment of FIG. 1;

FIG. 6 is a schematic structural view of an adjusting bolt according to another embodiment of the present invention;

FIG. 7 is a schematic structural view of the valve cartridge of the embodiment of FIG. 1;

FIG. 8 is a schematic diagram of the construction of the sealed bladder of the embodiment of FIG. 1;

FIG. 9 is a schematic structural view of the spring cap of the embodiment of FIG. 1;

FIG. 10 is a schematic view of the lock of the embodiment shown in FIG. 1;

fig. 11 is a schematic view of the structure of the anti-loosening element in the embodiment of fig. 1.

Detailed Description

The concept and technical effects of the present invention will be clearly and completely described below in conjunction with the embodiments to fully understand the objects, features and effects of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and those skilled in the art can obtain other embodiments without inventive effort based on the embodiments of the present invention, and all embodiments are within the protection scope of the present invention.

In the description of the embodiments of the present invention, if an orientation description is referred to, for example, the orientations or positional relationships indicated by "upper", "lower", "front", "rear", "left", "right", etc. are based on the orientations or positional relationships shown in the drawings, only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the description of the embodiments of the present invention, if a feature is referred to as being "disposed", "fixed", "connected", or "mounted" to another feature, it may be directly disposed, fixed, or connected to the other feature or may be indirectly disposed, fixed, connected, or mounted to the other feature. In the description of the embodiments of the present invention, if "a number" is referred to, it means one or more, if "a plurality" is referred to, it means two or more, if "greater than", "less than" or "more than" is referred to, it is understood that the number is not included, and if "greater than", "lower" or "inner" is referred to, it is understood that the number is included. If reference is made to "first" or "second", this should be understood to distinguish between features and not to indicate or imply relative importance or to implicitly indicate the number of indicated features or to implicitly indicate the precedence of the indicated features.

The invention provides a valve, and the application of the valve in the application in a liquefied gas cylinder is taken as an example and explained in detail below.

Referring to fig. 1 to 11, the valve includes a connecting sleeve 1, a valve core 2, an adjusting bolt 3 and a locking piece 4, wherein a mounting hole 105 is formed in a side edge of the connecting sleeve 1, a thread is formed inside the connecting sleeve 1, the valve core 2 has an air inlet 200 and an air outlet 201, a lock 5 is rotatably mounted on the valve core 2, the lock 5 is used for locking or loosening the valve core 2, the adjusting bolt 3 is slidably mounted outside the valve core 2 and is in threaded connection with the connecting sleeve 1, a fluted disc 300 is arranged at an end portion of the adjusting bolt 3, the locking piece 4 is rotatably mounted in the mounting hole 105, an end portion of the locking piece 4 is of a wedge-shaped structure, an end portion of the locking piece 4 is embedded into a tooth hole of the fluted disc 300, and the lock 5 is rotated to the mounting hole 105 to clamp the locking piece 4 between the lock 5 and the fluted disc 300.

In this application, connecting sleeve 1 includes connecting seat 100 and fixing base 101, and connecting seat 100 mutually supports with fixing base 101, and connecting seat 100 is inside to be equipped with the screw thread, and the lateral wall at fixing base 101 is seted up to installing port 105, and fixing base 101 is inside to be equipped with spacing step, and spacing step mutually supports with fluted disc 300.

Specifically, the middle parts of the connecting seat 100 and the fixing seat 101 are provided with through channels, the inner wall of the channel of the connecting seat 100 is provided with threads matched with the adjusting bolt 3, and a limiting step used for limiting the fluted disc 300 is arranged in the channel of the fixing seat 101.

The bottleneck at the liquefied gas steel bottle is fixed to connecting seat 100, the tip of connecting seat 100 is equipped with assembly recess 102, the bottom of fixing base 101 is equipped with assembly boss 106, assembly boss 106 is mutually supported with assembly recess 102 and is realized connecting seat 100 and fixing base 101's cooperation and be connected, adjusting bolt 3 passes in fixing base 101 twists connecting seat 100, until fluted disc 300 and assembly step contact each other, then rotate tool to lock 5, make tool to lock 5 press from both sides tight 4 of anti-loosening piece between tool to lock 5 and fluted disc 300, be used for locking in the tooth mouth of adjusting bolt 3 is embedded into to the 4 wedge-shaped tip of anti-loosening piece.

When the air outlet 201 needs to be opened, the lock 5 is opened to loosen the valve core 2, then the valve core 2 is pressed, the valve core 2 slides in the adjusting bolt 3 to expose the air outlet 201 from the bottom of the adjusting bolt 3, ventilation is realized, when the air outlet 201 needs to be closed, the valve core 2 is pulled, the valve core 2 slides in the adjusting bolt 3 to enable the adjusting bolt 3 to shield the air outlet 201, the air outlet 201 is closed, then the lock 5 is rotated to enable the lock 5 to rotate to the position of the mounting hole 105 to clamp the anti-loosening piece 4 between the lock 5 and the fluted disc 300, as the wedge-shaped end part of the anti-loosening piece 4 is embedded into the tooth hole of the fluted disc 300, the anti-loosening piece 4 can limit the fluted disc 300, and finally the valve core 2 is locked through the lock 5, when the anti-loosening piece 4 needs to be disassembled, the lock 5 is directly loosened and then the lock 5 is rotated to enable the lock 5 to rotate to the position away from the mounting hole 105, the anti-loosening piece 4 can be completely disassembled, and the problem that the sealing performance of the valve is poor due to the attempted disassembly is avoided.

In some embodiments, a first avoiding opening 107 is formed in a side of the fixing base 101, a second avoiding opening 500 aligned with the first avoiding opening 107 is formed in the lock 5, a tool is inserted into the first avoiding opening 107 and the second avoiding opening 500 to dial the gear 300, when the inner adjusting bolt 3 needs to be rotated, the rotating tool is inserted into the aligned first avoiding opening 107 and the second avoiding opening 500, and then an end of the rotating tool is inserted into the gear 300 to dial the gear 300, so that the gear 300 drives the adjusting bolt 3 to rotate in the connecting base 100.

Referring to fig. 6, in other embodiments, when the fixing seat 101 and the lock 5 are not provided with corresponding avoiding openings, a notch 301 may be provided on the fluted disc 300, and a rotating tool may be inserted into the notch 301 to rotate the adjusting bolt 3.

In the invention, the lock 5 comprises a lock body 50, a lock column 51 and a marble 52, wherein the lock column 51 is assembled in the lock body 50 in a sliding manner, a valve core 2 is assembled in the lock body 50 in a sliding manner, a groove 204 is formed in the valve core 2, a concave position is formed in the lock column 51, when the lock 5 locks the valve core 51 and the valve core 2, one end of the marble 52 is abutted against the side wall of the lock column 51, and the other end of the marble 52 is abutted against the side wall of the lock column 51.

Further, tool to lock 5 in this application is the trick lock, and is concrete, is equipped with a plurality of lock posts 51 on the tool to lock body 50, and the position of the concave position on every lock post 51 is all inequality, when needs untie case 2 through tool to lock 5, only knows every lock post 51 and presses the personnel of degree of depth, carries out pressing of the different degree of depth to every lock post 51 and can make the marble 52 that every lock post 51 corresponds all retreat to corresponding concave position, realizes the unblock.

In some embodiments, the lock body 50 is provided with a spring cap 53 inside, the spring cap 53 is connected to the valve element 2, a first spring 56 is provided between the spring cap 53 and the lock cylinder 51, when the lock cylinder 51 is pressed, the lock cylinder 51 also presses the first spring 56, and after the lock cylinder 51 is pressed in place to unlock the valve element 2, the lock cylinder 51 returns to the original state under the resilience of the first spring 56.

The valve core 2 is provided with an annular groove 205, a snap ring is arranged in the annular groove 205, and the snap ring is abutted against the outer side of the spring cap 53 and used for clamping the spring cap 53.

In order to ensure the air tightness between the lock 5 and the adjusting bolt 3, the sealing bag 54 is arranged between the spring cap 53 and the valve core 2, and after the adjusting bolt 3 is assembled in place in the fixed seat 101, the sealing bag 54 can seal the gap between the fluted disc 300 and the inner wall of the fixed seat 101, so that gas is prevented from leaking.

Specifically, referring to fig. 2 and 8, the sealing bag 54 includes a cylindrical sleeve 541 and a tapered plug 540, the tapered plug 540 is connected to one end of the cylindrical sleeve 541, the cylindrical sleeve 541 extends into the spring cap 53 and tightly wraps the outer side wall of the valve element 2, the tapered plug 540 is located outside the spring cap 53, when the valve element 2 is pressed from the air inlet 200 of the valve element 2, the valve element 2 will drive the spring cap 53, and the spring cap 53 will press the tapered plug 540 of the sealing bag 54 into the fixing seat 101.

In this application, be equipped with second spring 55 between sealed capsule 54 and spring cap 53, it is specific, second spring 55's shape is the same with sealed capsule 54's shape, second spring 55 cover is outside and one end at sealed capsule 54 support tightly inside spring cap 53, when pressing case 2, case 2 drives spring cap 53, spring cap 53 can drive second spring 55 compression, thereby make gas outlet 201 open, when not pressing case 2, under the effect of second spring 55 resilience force, case 2 can resume initial state and make gas outlet 201 close.

Further, the both ends of spring cap 53 are equipped with limiting plate 55, 50 inner walls of tool to lock body are equipped with stopper 57, be equipped with spacing passageway 103 and spacing groove 104 on the fixing base 101, spacing passageway 103 mutually supports with limiting plate 55, stopper 57 mutually supports with spacing groove 104, spacing passageway 103 is along the axial extension of fixing base 101, spacing groove 104 extends and communicates with spacing passageway 103 along the circumference of fixing base 101, limiting plate 55 is after spacing passageway 103 cooperation targets in place, tool to lock body 50 can rotate so that stopper 57 imbeds spacing groove 104.

Specifically, in the operation process, the lock 5 unlocks the valve core 2, press the valve core 2 from the air inlet 200, the valve core 2 drives the spring cap 53, so that the limiting plates 55 at the two ends of the spring cap 53 are inserted into the limiting channel 103, after the limiting plates 55 are inserted into the bottom of the limiting channel 103, the limiting plates 55 can avoid the limiting blocks 57, then the lock body 50 is rotated, so that the limiting blocks 57 firstly enter the limiting channel 103 and then are embedded into the limiting grooves 104, so that the lock 5 is connected with the fixing seat 101, when the lock is unlocked, the lock 5 is firstly rotated, so that the limiting blocks 57 on the inner wall of the lock body 50 are withdrawn from the limiting grooves 104, and then the limiting plates 55 and the limiting blocks 57 are together extracted from the limiting channel 103.

In the present application, one end of the first spring 56 is connected to the stopper plate 55, and the other end is connected to the lock cylinder 51.

Referring to fig. 11, in the present invention, the anti-loose member 4 includes a fixing column 40, a first positioning plate 42 and a second positioning plate 41, the first positioning plate 42 and the second positioning plate 41 are branched and connected to a side of the fixing column 40, an end of the first positioning plate 42 is used for being embedded into a tooth opening of the fluted disc 300, the second positioning plate 41 is abutted against an inner wall of the lock body 50, the anti-loose member 4 with such a structure has elasticity, the lock body 50 can extrude the second positioning plate 41 after rotating to a position of the mounting opening 105, and the second positioning plate 41 can elastically escape from the lock body 50, so that the lock 5 can rotate to clamp the anti-loose member 4 more easily.

First locating plate 42 and second locating plate 41 are the arc plate structure, and the tip of first locating plate 42 is the wedge structure, so fluted disc 300 can extrude first locating plate 42 at the inside in-process fluted disc 300 that rotates of fixing base 101 and make first locating plate 42 avoid fluted disc 300, then imbed into the tooth mouth again to it is spacing to fluted disc 300.

In some embodiments, the groove 204 has a fine adjustment region, the gas outlet 201 includes a small flow opening 202 and a large flow opening 203, the small flow opening 202 is smaller than the large flow opening 203, the valve core 2 moves in the fine adjustment region to open or close the small flow opening 202, and the valve core 2 can open the large flow opening 203 after the lock 5 releases the valve core 2.

Specifically, the width of the groove 204 in the axial direction of the valve element 2 is wider than the marble 52, so that when the lock 5 is in a state of locking the valve element 2, the valve element 2 can perform small movement in a fine adjustment region of the groove 204, so as to open or close the small flow opening 202, when the large flow opening 203 needs to be opened, only the valve element 2 is opened through the lock 5, and then the valve element 2 is pressed, so that the large flow opening 203 can be exposed from the bottom of the adjusting bolt 3 to realize ventilation, and when the lock 5 is in a state of locking the valve element 2, the large flow opening 203 is in a closed state.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention. Furthermore, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.