CN212745222U - Delivery valve - Google Patents
Delivery valve Download PDFInfo
- Publication number
- CN212745222U CN212745222U CN202021572631.8U CN202021572631U CN212745222U CN 212745222 U CN212745222 U CN 212745222U CN 202021572631 U CN202021572631 U CN 202021572631U CN 212745222 U CN212745222 U CN 212745222U
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- valve body
- valve
- ferrule
- delivery valve
- delivery
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Abstract
The utility model discloses a delivery valve, include: a first valve body and a second valve body; the clamping sleeve is used for clamping or separating the first valve body and the second valve body; one end of the traction piece is fixed with the outside, the other end of the traction piece is connected with the shearing and buckling device, and the traction piece drives the clamping sleeve to move by pulling the shearing and buckling device; the locking pin is rotatably connected to the first valve body, one end of the locking pin is connected with the restoring piece, the locking pin is pressed by the clamping sleeve from the outer side in a clamping state, and the locking pin is ejected out and prevents the clamping sleeve from resetting in a separating state. The utility model discloses not being under the broken condition at delivery valve for the separation that delivery valve can be timely has ensured from this that delivery valve can not be because unexpected removal is dragged badly, has also increased delivery valve's security.
Description
Technical Field
The utility model relates to a delivery valve.
Background
The breaking valve (also called emergency release device) is a safety component, which is used for preventing serious potential safety hazard in the process of loading and unloading materials, and through a simple and unique design, when an unexpected load force acts on a pipeline, such as a tank car or a train, the breaking valve is triggered under the conditions of unexpected movement without disconnection, ship position drifting and the like, the two similar parts can be automatically disconnected and respectively closed, so that personnel and the environment are protected from toxic materials, the loss of materials is avoided, and the whole pipeline system is protected from being damaged by unexpected tension.
At present, a breaking valve on the market mainly adopts a breaking bolt mode, when an external force is not on a valve central line, the breaking bolt mode has the problems that the bolt is broken successively due to uneven stress, even a certain number of bolts are broken completely, the valve is not synchronously or incompletely separated, and the like, and potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a delivery valve in order to overcome among the prior art the valve of breaking throw off under the unexpected condition incomplete or asynchronous scheduling problem, lead to leaking the defect that arouses the potential safety hazard even.
The utility model discloses an above-mentioned technical problem is solved through following technical scheme:
a delivery valve, characterized in that it comprises:
the valve comprises a first valve body and a second valve body, wherein the first valve body and the second valve body are detachably connected and are communicated with each other;
the clamping sleeve surrounds the first valve body along the circumferential direction and is movably connected to the outer side of the first valve body, the shearing and buckling device is connected with the clamping sleeves, and the clamping sleeves are used for clamping or separating the first valve body and the second valve body;
one end of the traction piece is fixed with the outside, the other end of the traction piece is connected with the shearing and buckling device, and the traction piece drives the clamping sleeve to move by pulling the shearing and buckling device;
the locking pin is rotatably connected to the first valve body, one end of the locking pin is connected with the restoring piece, the locking pin is pressed by the clamping sleeve from the outer side in a clamping state, and the locking pin is ejected out and prevents the clamping sleeve from resetting in a separating state.
In this embodiment, the first valve body can be connected to one end of the valve body which is relatively fixed, and the second valve body can be connected to one end of the valve body which is relatively movable. When the first valve body and the second valve body are connected, the clamping sleeve is in a clamping state, so that the first valve body and the second valve body cannot be separated.
Once the second valve body is accidentally moved, the first valve body will move together and the fixed pull will now pull the ferrule on the first valve body, thereby causing the ferrule to move. After the cutting sleeve moves, the first valve body and the second valve body are separated, meanwhile, the pressure on the locking pin is relieved, and the locking pin is separated from the clamping groove under the action of the restoring piece, so that the cutting sleeve is prevented from being reset.
The utility model discloses a cutting ferrule and the setting of tractive spare are not by under the disconnected condition at delivery valve for the separation that delivery valve can be timely has ensured from this that delivery valve can not be because unexpected removal is dragged badly, has also increased delivery valve's security.
Preferably, the clamping sleeve is provided with a plurality of connecting ends, each of the connecting ends corresponds to one of the locking pins, and the shearing device is connected with each of the connecting ends and is pulled. The plurality of connecting ends respectively compress tightly the locking pin to locking force can be even.
Preferably, the number of the connecting ends is at least two, and the connecting ends are distributed on the clamping sleeve along the circumferential direction.
Preferably, the delivery valve comprises a locking member, a first limiting space is arranged on the first valve body, a second limiting space is arranged on the second valve body, and a third limiting space is arranged on the sleeve, wherein in the clamping state, the first limiting space and the third limiting space are staggered, and the sleeve presses the locking member between the first limiting space and the second limiting space; in the disengaged state, the first and third limiting spaces are aligned such that the locking member enters the first and third limiting spaces.
Preferably, the clipping device comprises a flexible ring extending along the circumferential direction of the ferrule and connected to each of the connection ends in turn, the flexible ring being used for pulling each of the connection ends. The flexible ring may be round steel. Wherein, a plurality of links of flexible ring tractive to when the delivery valve produced unexpected removal, can be timely release a plurality of links together, thereby in time separate first valve body and second valve body, improve the reaction rate of separation.
Preferably, a fixing groove is formed in the connecting end, a fixing pin is arranged on the connecting end, and the flexible ring is clamped in the fixing groove through the fixing pin. The flexible ring can be conveniently limited by the fixing pin. The installation and the dismantlement of carrying out flexible ring only need remove the fixed pin and can realize, have improved the convenience of changing.
Preferably, a through hole is formed in the first valve body, the locking pin comprises a movable end and a latch, the restoring piece is arranged between the inner side of the latch and the first valve body, the latch blocks the moving direction of the sleeve in the separating state, and the movable end penetrates through the through hole.
Preferably, the ferrule is in a floating connection with respect to the first valve body, wherein the ferrule is arranged for relative movement in the direction of the axis of the first valve body. The clamping sleeve always keeps moving axially in the moving process, so that the locking pins in the circumferential direction can be released.
Preferably, the first valve body is provided with a plurality of bosses arranged along the circumferential direction of the first valve body, and an elastic member is arranged between the bosses and the ferrule. The elastic piece can provide elasticity so that the cutting sleeve can reset after being pulled to prepare for next butt joint.
Preferably, the elastic member and the restoring member are both springs.
Preferably, the pulling member is a steel wire rope, wherein the steel wire rope is connected to the ferrule through a bracket.
The utility model discloses an actively advance the effect and lie in: the utility model discloses a cutting ferrule and setting of tractive spare are not being broken under the condition at delivery valve for the separation that delivery valve can be timely has ensured from this that delivery valve can not be because unexpected removal is dragged badly, has also increased delivery valve's security.
Drawings
Fig. 1 is a perspective view of a delivery valve according to a preferred embodiment of the present invention.
Fig. 2 is a front view of the delivery valve according to the preferred embodiment of the present invention.
Fig. 3 is a sectional view taken along line B-B in fig. 2.
Fig. 4 is a sectional view taken along a-a in fig. 2.
Fig. 5 is a sectional view taken along line D-D in fig. 4.
Fig. 6 is a sectional view taken along line C-C in fig. 3.
Fig. 7 is a schematic structural view of the locking pin in fig. 5 in an engaged state.
Fig. 8 is a schematic structural view of the locking pin in fig. 5 in a separated state.
Fig. 9 is a schematic structural view of the locking member in fig. 6 in an engaged state.
Detailed Description
The present invention is further illustrated by way of the following examples, which are not intended to limit the scope of the invention.
As shown in fig. 1 to 9, the present embodiment discloses a delivery valve, which includes a first valve body 11 and a second valve body 12, wherein the first valve body 11 and the second valve body 12 are detachably connected and the first valve body 11 and the second valve body 12 are communicated with each other.
As shown in fig. 1 and 2, the delivery valve includes a ferrule 2 and a shearing device 4, wherein the ferrule 2 surrounds and is movably connected to the outer side of the first valve body 11 along the circumferential direction of the first valve body 11, the shearing device 4 is connected to each ferrule 2, and the ferrule 2 is used for clamping or separating the first valve body 11 and the second valve body 12.
As shown in fig. 1 and 2, the delivery valve includes a pulling member 3, one end of the pulling member 3 is fixed to the outside, the other end of the pulling member 3 is connected to the clipping device 4, and the pulling member 3 drives the cutting sleeve 2 to move by pulling the clipping device 4.
As shown in fig. 7 and 8, the delivery valve comprises a locking pin 8 and a restoring member 9, the locking pin 8 is rotatably connected to the first valve body 11, and one end of the locking pin 8 is connected to the restoring member 9, wherein, in a locked state, the locking pin 8 is pressed by the ferrule 2 from the outside, and in a separated state, the locking pin 8 is ejected and prevents the ferrule 2 from being restored.
In this embodiment, the first valve body 11 can be connected to one end of the valve body which is relatively fixed, and the second valve body 12 can be connected to one end of the valve body which is relatively movable. When the first valve body 11 and the second valve body 12 are connected, the ferrule 2 is in a snap-fit state so that the first valve body 11 and the second valve body 12 are not separated.
As soon as the second valve body 12 is accidentally moved, the first valve body 11 will move together, and the fixed pull 3 will now pull the ferrule 2 on the first valve body 11, thereby causing the ferrule 2 to move. After the cutting sleeve 2 moves, the first valve body 11 and the second valve body 12 are separated, meanwhile, the pressure on the locking pin 8 is removed, and the locking pin 8 is separated from the clamping groove under the action of the restoring piece 9, so that the cutting sleeve 2 is prevented from being reset.
The utility model discloses a cutting ferrule 2 and setting of tractive piece 3 are not being under the broken circumstances at delivery valve for the separation that delivery valve can be timely has ensured from this that delivery valve can not be because unexpected removal is dragged badly, has also increased delivery valve's security.
As shown in fig. 1 and 4, the ferrule 2 is provided with a plurality of connecting ends 112, the connecting ends 112 respectively correspond to a locking pin 8, wherein the clipping device 4 is connected with each connecting end 112 and pulled. The plurality of connection ends 112 press the locking pins 8, respectively, so that the locking force can be uniform. The number of the connecting ends 112 is at least two, and the connecting ends 112 are distributed on the ferrule 2 along the circumferential direction.
As shown in fig. 3 and 9, the delivery valve includes a locking member 6, a first limiting space 110 is provided on the first valve body 11, a second limiting space 120 is provided on the second valve body 12, and a third limiting space 20 is provided on the ferrule 2, wherein, in the clamped state, the first limiting space 110 and the third limiting space 20 are staggered, and the ferrule 2 presses the locking member 6 between the first limiting space 110 and the second limiting space 120; in the disengaged state, the first stopper space 110 is aligned with the third stopper space 20 so that the locking member 6 enters the first stopper space 110 and the third stopper space 20.
As shown in fig. 1 and 2, the clipping device 4 includes a flexible ring 5, the flexible ring 5 extends along the circumferential direction of the ferrule 2 and is connected to each connecting end 112 in turn, and the flexible ring 5 is used for pulling each connecting end 112. The flexible ring 5 may be round steel. The flexible ring 5 can pull the plurality of connecting ends 112, so that when the transfer valve moves accidentally, the plurality of connecting ends 112 can be released together in time, the first valve body 11 and the second valve body 12 can be separated in time, and the separation reaction speed is increased.
As shown in fig. 5, a fixing groove is formed in the connection end 112, and a fixing pin 113 is formed on the connection end 112, wherein the flexible ring 5 is clamped in the fixing groove by the fixing pin 113. The flexible ring 5 can be conveniently restrained by the fixing pin 113. When the flexible ring 5 is mounted and dismounted, the flexible ring can be mounted and dismounted only by moving the fixing pin 113, so that the convenience of replacement is improved.
As shown in fig. 7 and 8, the first valve body 11 is provided with a through hole 111, the locking pin 8 includes a movable end and a latch 81, wherein the restoring member 9 is provided between the inner side of the latch 81 and the first valve body 11, wherein, in the separated state, the latch 81 blocks the moving direction of the ferrule 2, and the movable end passes through the through hole 111.
As shown in fig. 1 and 2, the ferrule 2 is in a floating connection with respect to the first valve body 11, wherein the ferrule 2 is arranged for a phase movement in the direction of the axis of the first valve body 11. The sleeve 2 is always axially displaced during the displacement, so that it is ensured that the locking pins 8 in the circumferential direction are released.
As shown in fig. 1 and 2, the first valve body 11 is provided with a plurality of bosses 114, the bosses 114 are arranged along the circumferential direction of the first valve body 11, and the elastic member 7 is arranged between the bosses 114 and the ferrule 2. The resilient member 7 may provide a spring force to allow the ferrule 2 to be reset after being pulled, ready for the next mating.
In this embodiment, the elastic member 7 and the restoring member 9 are both springs. The traction piece 3 is a steel wire rope, wherein the steel wire rope is connected to the clamping sleeve 2 through a support.
The utility model discloses a cutting ferrule and setting of tractive spare are not being broken under the condition at delivery valve for the separation that delivery valve can be timely has ensured from this that delivery valve can not be because unexpected removal is dragged badly, has also increased delivery valve's security.
Although specific embodiments of the present invention have been described above, it will be understood by those skilled in the art that this is by way of example only and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and the principles of the present invention, and these changes and modifications are all within the scope of the present invention.
Claims (10)
1. A transfer valve, characterized in that it comprises:
the valve comprises a first valve body and a second valve body, wherein the first valve body and the second valve body are detachably connected and are communicated with each other;
the clamping sleeve surrounds the first valve body along the circumferential direction and is movably connected to the outer side of the first valve body, the shearing and buckling device is connected with the clamping sleeves, and the clamping sleeves are used for clamping or separating the first valve body and the second valve body;
one end of the traction piece is fixed with the outside, the other end of the traction piece is connected with the shearing and buckling device, and the traction piece drives the clamping sleeve to move by pulling the shearing and buckling device;
the locking pin is rotatably connected to the first valve body, one end of the locking pin is connected with the restoring piece, the locking pin is pressed by the clamping sleeve from the outer side in a clamping state, and the locking pin is ejected out and prevents the clamping sleeve from resetting in a separating state.
2. The delivery valve of claim 1, wherein a plurality of connecting ends are provided on the clamping sleeve, each of the connecting ends corresponding to one of the locking pins, and wherein the shearing device is connected to and pulled by each of the connecting ends.
3. The delivery valve of claim 2, wherein the delivery valve includes a locking member, wherein the first valve body is provided with a first spacing space, the second valve body is provided with a second spacing space, and the ferrule is provided with a third spacing space, wherein in the engaged state, the first spacing space is offset from the third spacing space, and the ferrule compresses the locking member between the first spacing space and the second spacing space; in the disengaged state, the first and third limiting spaces are aligned such that the locking member enters the first and third limiting spaces.
4. The delivery valve of claim 2, wherein the shearing device comprises a flexible ring extending circumferentially of the ferrule and connected to each of the connection ends in turn, the flexible ring being adapted to pull on each of the connection ends.
5. The delivery valve of claim 4, wherein a retaining groove is provided in the connecting end, and a retaining pin is provided on the connecting end, wherein the flexible ring is retained in the retaining groove by the retaining pin.
6. The delivery valve of claim 1, wherein the first valve body has a bore formed therein, the locking pin including a free end and a latch, wherein the return member is disposed between an inner side of the latch and the first valve body, wherein in the disengaged state the latch blocks the direction of movement of the ferrule, and wherein the free end passes through the bore.
7. A delivery valve as recited in claim 1, wherein said ferrule is float coupled with respect to said first valve body, wherein said ferrule is configured for relative movement along an axis of said first valve body.
8. The delivery valve of claim 7, wherein the first valve body has a plurality of bosses disposed circumferentially thereon, and wherein a spring is disposed between the bosses and the ferrule.
9. The delivery valve of claim 8, wherein said resilient member and said return member are both springs.
10. A delivery valve according to any of claims 1 to 9, wherein the pull member is a wire cable, wherein the wire cable is connected to the ferrule by a bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021572631.8U CN212745222U (en) | 2020-07-31 | 2020-07-31 | Delivery valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021572631.8U CN212745222U (en) | 2020-07-31 | 2020-07-31 | Delivery valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212745222U true CN212745222U (en) | 2021-03-19 |
Family
ID=74985991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021572631.8U Active CN212745222U (en) | 2020-07-31 | 2020-07-31 | Delivery valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212745222U (en) |
-
2020
- 2020-07-31 CN CN202021572631.8U patent/CN212745222U/en active Active
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| GR01 | Patent grant |