CN211398684U - Differential pressure type block valve - Google Patents
Differential pressure type block valve Download PDFInfo
- Publication number
- CN211398684U CN211398684U CN202020069092.XU CN202020069092U CN211398684U CN 211398684 U CN211398684 U CN 211398684U CN 202020069092 U CN202020069092 U CN 202020069092U CN 211398684 U CN211398684 U CN 211398684U
- Authority
- CN
- China
- Prior art keywords
- valve body
- sprue
- valve
- pressure
- flow channel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Lift Valve (AREA)
Abstract
The utility model discloses a differential block valve, including the main valve body, the main valve is internal to be equipped with the sprue, is equipped with pressure on-off control mechanism in the sprue, still including locating the internal side runner of main valve, the entrance of the one end intercommunication sprue of side runner, the other end intercommunication sprue's of side runner export section still is equipped with the pressure balance adjustment mechanism who is used for controlling the vice runner break-make on the main valve body. This differential pressure type block valve has sprue and side sprue, and the on-off control of sprue is carried out to pressure on-off control mechanism in the sprue utilizes medium pressure, when medium pressure too big causes pressure on-off control mechanism shutoff sprue, slowly opens vice sprue through control pressure balance adjustment mechanism thereby makes two subregion's of entrance section and the export section of sprue pressure slowly reach balanced state, and then makes the sprue resume to switch on. The differential pressure type block valve is novel and simple in structure, few in parts, easy to assemble, convenient to manufacture, convenient to operate for users and good in user experience.
Description
Technical Field
The utility model relates to a block valve technical field especially relates to differential pressure type block valve.
Background
The shut-off valve is also called a closed-circuit valve, and functions to connect or shut off a medium in a pipeline (for example, a gas flow in a gas pipeline). The existing block valve generally has the problems of numerous parts, old structure and complex structure.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: a differential pressure type shut-off valve with a novel structure is provided.
In order to solve the technical problem, the utility model discloses a technical scheme be: differential pressure type block valve, including the valve body, be equipped with the sprue in the valve body, be equipped with pressure on-off control mechanism in the sprue, still including locating the side runner in the valve body, the one end intercommunication of vice runner the entry section of sprue, the other end intercommunication of vice runner the outlet section of sprue, still be equipped with on the valve body and be used for control the pressure balance adjustment mechanism of side runner break-make.
Furthermore, a through opening is formed in the main flow channel, the pressure on-off control device comprises an elastic piece and a lifting head used for blocking the through opening, the lifting head is slidably arranged in the main flow channel, and the elastic piece is connected with the lifting head so as to drive the lifting head to be far away from the through opening.
Furthermore, the pressure on-off control device further comprises a first valve body, the opening is formed in the first valve body, and the elastic piece is connected with the first valve body.
Furthermore, the pressure on-off control device further comprises a second valve body matched with the first valve body, a medium inlet is formed in the second valve body, an accommodating cavity is formed at the joint of the first valve body and the second valve body, the accommodating cavity is respectively communicated with the medium inlet and the opening, and the pulling head and the elastic piece are respectively located in the accommodating cavity.
Furthermore, a sealing assembly is arranged at the joint of the first valve body and the second valve body.
Furthermore, the lifting head comprises a baffle and a supporting block which are connected, the supporting block is positioned on one side of the baffle close to the medium inlet, the supporting block supports against the second valve body, and the baffle is arranged corresponding to the medium inlet.
Further, the opposite side of baffle is equipped with the spliced pole, the spliced pole is kept away from the one end of baffle is equipped with the breather plate, the breather plate is kept away from one side of spliced pole is equipped with the lantern ring, partly of elastic component is located the lantern ring is intra-annular, the holding chamber is including locating the accepting groove on the first valve body, the lantern ring is in slidable sets up in the accepting groove.
Furthermore, the secondary flow channel comprises a first flow channel and a second flow channel which are communicated, and the first flow channel and the second flow channel are respectively arranged in an inclined manner.
Further, the pressure balance adjusting mechanism comprises a seat body connected with the valve body, a screw rod and a movable valve rod for switching on and off the auxiliary flow passage are arranged in the seat body, one end of the screw rod is exposed out of the seat body, and the other end of the screw rod abuts against the movable valve rod.
Further, the entry end of sprue is equipped with first joint, the exit end of sprue is equipped with the second and connects.
The beneficial effects of the utility model reside in that: this differential pressure type block valve has sprue and side sprue, and the on-off control of sprue is carried out to pressure on-off control mechanism in the sprue utilizes medium pressure, when medium pressure too big causes pressure on-off control mechanism shutoff sprue, slowly opens vice sprue through control pressure balance adjustment mechanism thereby makes two subregion's of entrance section and the export section of sprue pressure slowly reach balanced state, and then makes the sprue resume to switch on. The differential pressure type block valve is novel and simple in structure, few in parts, easy to assemble, convenient to manufacture, convenient to operate for users and good in user experience.
Drawings
Fig. 1 is a cross-sectional view of a differential pressure type block valve according to a first embodiment of the present invention;
fig. 2 is an enlarged view of detail a in fig. 1.
Description of reference numerals:
1. a main valve body; 2. a pressure on-off control mechanism; 3. a secondary flow passage; 4. an inlet section; 5. an outlet section; 6. a pressure balance adjustment mechanism; 7. a first joint; 8. a second joint; 9. opening the port; 10. an elastic member; 11. lifting the pull head; 111. a baffle plate; 112. a holding block; 113. connecting columns; 114. a breather plate; 115. a collar; 12. a first valve body; 13. a second valve body; 14. a media inlet; 15. an accommodating cavity; 151. an accommodating groove; 16. a seal assembly; 17. a base body; 18. a movable valve stem; 19. a screw; 20. the rod is screwed by hand.
Detailed Description
In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 and 2, the differential pressure type block valve includes a main valve body 1, a main flow passage is provided in the main valve body 1, a pressure on-off control mechanism 2 is provided in the main flow passage, the differential pressure type block valve further includes an auxiliary flow passage 3 provided in the main valve body 1, one end of the auxiliary flow passage 3 is communicated with an inlet section 4 of the main flow passage, the other end of the auxiliary flow passage 3 is communicated with an outlet section 5 of the main flow passage, and the main valve body 1 is further provided with a pressure balance adjustment mechanism 6 for controlling the on-off of the auxiliary flow passage 3.
The structure/working principle of the utility model is as follows: this differential pressure type block valve has sprue and side runner 3, and pressure on-off control mechanism 2 in the sprue utilizes medium pressure to carry out the on-off control of sprue, when medium pressure is too big to cause pressure on-off control mechanism 2 shutoff sprue, thereby slowly open vice runner 3 through control pressure balance adjustment mechanism 6 and make two subregion's of entrance section 4 and the export section 5 pressure of sprue slowly reach balanced state, and then make the sprue resume to switch on.
From the above description, the beneficial effects of the present invention are: the differential pressure type block valve is novel and simple in structure, few in parts, easy to assemble, convenient to manufacture, convenient to operate for users and good in user experience.
Furthermore, a through opening 9 is arranged in the main flow channel, the pressure on-off control device comprises an elastic piece 10 and a lifting head 11 used for blocking the through opening 9, the lifting head 11 is slidably arranged in the main flow channel, and the elastic piece 10 is connected with the lifting head 11 so as to drive the lifting head 11 to be far away from the through opening 9.
As can be seen from the above description, after the opening 9 is blocked by the lifting head 11, a pressure difference is formed between the main flow passage inlet section 4 and the main flow passage outlet section 5, the opening 9 is always blocked by the lifting head 11, when the auxiliary flow passage 3 is opened, the pressures of the main flow passage inlet section 4 and the main flow passage outlet section 5 are balanced, and at this time, the elastic member 10 recovers to deform to drive the lifting head 11 to be away from the opening 9, so that the opening 9 is opened.
Further, the pressure on-off control device further comprises a first valve body 12, the opening 9 is arranged on the first valve body 12, and the elastic part 10 is connected with the first valve body 12.
As can be seen from the above description, the arrangement of the first valve body 12 can reduce the processing difficulty of the main valve body 1, and is convenient for production and manufacturing.
Further, the pressure on-off control device further comprises a second valve body 13 matched with the first valve body 12, a medium inlet 14 is formed in the second valve body 13, an accommodating cavity 15 is formed at the joint of the first valve body 12 and the second valve body 13, the accommodating cavity 15 is respectively communicated with the medium inlet 14 and the opening 9, and the lifting head 11 and the elastic piece 10 are respectively located in the accommodating cavity 15.
As can be seen from the above description, the pressure on-off control device can form a single component, which is convenient for transportation and replacement.
Further, a sealing assembly 16 is further disposed at the connection position of the first valve body 12 and the second valve body 13.
From the above description, it can be seen that the provision of the seal assembly 16 can improve the sealing of the pressure on-off control. The seal assembly 16 includes, but is not limited to, a seal ring.
Further, the pull-up head 11 includes a baffle 111 and an abutting block 112 connected to each other, the abutting block 112 is located on a side of the baffle 111 close to the medium inlet 14, the abutting block 112 abuts against the second valve body 13, and the baffle 111 is disposed corresponding to the medium inlet 14.
As can be seen from the above description, the abutting block 112 can avoid the situation that the baffle 111 closes the medium inlet 14.
Furthermore, a connecting column 113 is arranged on the other side of the baffle 111, a vent plate 114 is arranged at one end, far away from the baffle 111, of the connecting column 113, a sleeve ring 115 is arranged on one side, far away from the connecting column 113, of the vent plate 114, a part of the elastic element 10 is located in the sleeve ring 115, the accommodating cavity 15 comprises an accommodating groove 151 formed in the first valve body 12, and the sleeve ring 115 is slidably arranged in the accommodating groove 151.
As can be seen from the above description, the engagement between the ring 115 and the receiving groove 151 allows the lifting head 11 to extend and retract more stably and smoothly.
Further, the auxiliary flow channel 3 comprises a first flow channel and a second flow channel which are communicated with each other, and the first flow channel and the second flow channel are respectively arranged in an inclined manner.
As can be seen from the above description, the secondary flow channel 3 is easy to manufacture, does not require an additional blocking structure, and is easy to manufacture.
Further, the pressure balance adjustment mechanism 6 includes a seat body 17 connected to the main valve body 1, a screw rod 19 and a movable valve rod 18 for opening and closing the auxiliary flow passage 3 are disposed in the seat body 17, one end of the screw rod 19 is exposed out of the seat body 17, and the other end of the screw rod 19 abuts against the movable valve rod 18.
As can be seen from the above description, the movable valve rod 18 can open and close the secondary flow passage 3 by controlling the advance and retreat of the screw 19.
Further, the inlet end of the main runner is provided with a first joint 7, and the outlet end of the main runner is provided with a second joint 8.
Example one
Referring to fig. 1 and fig. 2, a first embodiment of the present invention is: the differential pressure type block valve comprises a main valve body 1, wherein a main flow channel is arranged in the main valve body 1, a pressure on-off control mechanism 2 is arranged in the main flow channel, the differential pressure type block valve also comprises an auxiliary flow channel 3 arranged in the main valve body 1, one end of the auxiliary flow channel 3 is communicated with an inlet section 4 of the main flow channel, the other end of the auxiliary flow channel 3 is communicated with an outlet section 5 of the main flow channel, and a pressure balance adjusting mechanism 6 for controlling the on-off of the auxiliary flow channel 3 is also arranged on the main valve body 1; the entry end of sprue is equipped with first joint 7, the exit end of sprue is equipped with the second and connects 8, and optionally, first joint 7 is screwed joint, second connects 8 and is the cutting ferrule connects.
The main flow channel is internally provided with a through fracture 9, the pressure on-off control device comprises an elastic piece 10 and a lifting head 11 used for blocking the through fracture 9, the lifting head 11 is arranged in the main flow channel in a sliding mode, and the elastic piece 10 is connected with the lifting head 11 to drive the lifting head 11 to be far away from the through fracture 9.
Specifically, the pressure on-off control device further includes a first valve body 12 and a second valve body 13 matched with the first valve body 12, the break-through port 9 is arranged on the first valve body 12, the elastic member 10 is connected with the first valve body 12, a medium inlet 14 is arranged on the second valve body 13, an accommodating cavity 15 is formed at a joint of the first valve body 12 and the second valve body 13, the accommodating cavity 15 is respectively communicated with the medium inlet 14 and the break-through port 9, the pull head 11 and the elastic member 10 are respectively located in the accommodating cavity 15, and optionally, the break-through port 9 and the medium inlet 14 are arranged in alignment; the first valve body 12 is screwed with the second valve body 13.
And a sealing assembly 16 is further arranged at the joint of the first valve body 12 and the second valve body 13, and the sealing assembly 16 comprises a sealing ring and a sealing retainer ring.
In detail, the lifting head 11 includes a baffle 111 and a supporting block 112 connected to each other, the supporting block 112 is located on one side of the baffle 111 close to the medium inlet 14, the supporting block 112 supports the second valve body 13, the baffle 111 is arranged corresponding to the medium inlet 14, a connecting column 113 is arranged on the other side of the baffle 111, a vent plate 114 is arranged at one end of the connecting column 113 far from the baffle 111, a collar 115 is arranged on one side of the vent plate 114 far from the connecting column 113, a part of the elastic member 10 is located in the collar 115, the accommodating cavity 15 includes an accommodating groove 151 arranged on the first valve body 12, and the collar 115 is slidably arranged in the accommodating groove 151. Preferably, the number of the supporting blocks 112 is multiple, and a gap is formed between two adjacent supporting blocks 112.
For convenience of processing, the secondary flow passage 3 includes a first flow passage and a second flow passage which are communicated with each other, and the first flow passage and the second flow passage are respectively arranged obliquely.
The pressure balance adjusting mechanism 6 comprises a seat body 17 connected with the main valve body 1, a screw rod 19 and a movable valve rod 18 for switching on and off the auxiliary flow passage 3 are arranged in the seat body 17, one end of the screw rod 19 is exposed out of the seat body 17, and the other end of the screw rod 19 abuts against the movable valve rod 18. As will be readily appreciated, the pressure balance adjustment mechanism 6 is a sealed, spliced, unitary structure. Preferably, the exposed area of the screw rod 19 is also provided with a hand screw rod 20.
The working principle of the differential pressure type block valve of the embodiment is briefly described as follows: when the main flow channel is conducted, the medium sequentially enters the outlet section 5 through the inlet section 4, the medium inlet 14, the gap, the accommodating cavity 15, the vent plate 114 and the on-off port 9. When the pressure of the medium suddenly increases, the medium flowing through the medium inlet 14 impacts the baffle 111, so that the baffle 111 retreats and the elastic member 10 compresses, and the baffle 111 abuts against the first valve body 12, so that the baffle 111 blocks the accommodating groove 151 (i.e., closes the through-opening 9), and the main flow passage is disconnected. Because there is pressure difference between the inlet section 4 and the outlet section 5 after the connection, the retaining plate 111 always blocks the accommodating groove 151, and at this time, the screw rod 19 is rotated to slowly open the secondary flow channel 3, so that the pressures of the inlet section 4 and the outlet section 5 are slowly balanced, the elastic member 10 is restored to deform, so that the retaining plate 111 does not block the accommodating groove 151, and the primary flow channel is restored to be connected.
In summary, the differential pressure type stop valve provided by the utility model has novel and simple structure, few parts, easy assembly and low manufacturing cost; the user operation is convenient, and the user experience is good.
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (10)
1. Differential pressure type block valve, including the valve body, be equipped with the sprue in the valve body, be equipped with pressure on-off control mechanism, its characterized in that in the sprue: the valve body is characterized by further comprising an auxiliary flow channel arranged in the valve body, one end of the auxiliary flow channel is communicated with the inlet section of the main flow channel, the other end of the auxiliary flow channel is communicated with the outlet section of the main flow channel, and a pressure balance adjusting mechanism used for controlling the on-off of the auxiliary flow channel is further arranged on the valve body.
2. The differential block valve of claim 1, wherein: the pressure on-off control device comprises an elastic piece and a lifting head used for blocking the through hole, the lifting head is arranged in the main flow channel in a sliding mode, and the elastic piece is connected with the lifting head to drive the lifting head to be away from the through hole.
3. The differential block valve of claim 2, wherein: the pressure on-off control device further comprises a first valve body, the opening is formed in the first valve body, and the elastic piece is connected with the first valve body.
4. The differential block valve of claim 3, wherein: the pressure on-off control device further comprises a second valve body matched with the first valve body, a medium inlet is formed in the second valve body, a containing cavity is formed at the joint of the first valve body and the second valve body, the containing cavity is communicated with the medium inlet and the through fracture respectively, and the pulling head and the elastic piece are located in the containing cavity respectively.
5. The differential block valve of claim 4, wherein: and a sealing assembly is further arranged at the joint of the first valve body and the second valve body.
6. The differential block valve of claim 4, wherein: the lifting head comprises a baffle and a butting block which are connected, the butting block is positioned on one side of the baffle close to the medium inlet, the butting block butts against the second valve body, and the baffle is arranged corresponding to the medium inlet.
7. The differential block valve of claim 6, wherein: the opposite side of baffle is equipped with the spliced pole, the spliced pole is kept away from the one end of baffle is equipped with the breather plate, the breather plate is kept away from one side of spliced pole is equipped with the lantern ring, partly of elastic component is located the lantern ring is intra-annular, the holding chamber is including locating accommodating groove on the first valve body, the lantern ring is in slidable setting in the accommodating groove.
8. The differential block valve of claim 1, wherein: the secondary flow channel comprises a first flow channel and a second flow channel which are communicated, and the first flow channel and the second flow channel are respectively arranged in an inclined mode.
9. The differential block valve of claim 1, wherein: the pressure balance adjusting mechanism comprises a seat body connected with the valve body, a screw rod and a movable valve rod for switching on and off the auxiliary flow passage are arranged in the seat body, one end of the screw rod is exposed out of the seat body, and the other end of the screw rod abuts against the movable valve rod.
10. The differential block valve of claim 1, wherein: the entry end of sprue is equipped with first joint, the exit end of sprue is equipped with the second and connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020069092.XU CN211398684U (en) | 2020-01-14 | 2020-01-14 | Differential pressure type block valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020069092.XU CN211398684U (en) | 2020-01-14 | 2020-01-14 | Differential pressure type block valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211398684U true CN211398684U (en) | 2020-09-01 |
Family
ID=72229972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020069092.XU Active CN211398684U (en) | 2020-01-14 | 2020-01-14 | Differential pressure type block valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211398684U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112943957A (en) * | 2021-04-22 | 2021-06-11 | 江苏林诚电仪设备有限公司 | Corrosion-resistant and high-pressure impact block valve |
-
2020
- 2020-01-14 CN CN202020069092.XU patent/CN211398684U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112943957A (en) * | 2021-04-22 | 2021-06-11 | 江苏林诚电仪设备有限公司 | Corrosion-resistant and high-pressure impact block valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100481773B1 (en) | Shutoff-opentng device | |
| US20030020033A1 (en) | Solenoid gas valve | |
| WO2011158695A1 (en) | Time-delay valve | |
| ATE447537T1 (en) | BEVERAGE DISPENSING VALVE | |
| CN211398684U (en) | Differential pressure type block valve | |
| EP3940278A1 (en) | Water outlet valve | |
| CN108692037B (en) | Pilot-operated type hydraulic control stop valve | |
| CN108533763B (en) | Stop valve with controllable opening and closing speed | |
| JP4108596B2 (en) | Compound automatic valve with manual operation mechanism | |
| WO2004031629A3 (en) | Self-closing faucet with shearing action | |
| CN217272155U (en) | High pressure resistant cutting ferrule ball valve | |
| CN202501051U (en) | Electromagnetic control non-return valve | |
| GB2594369A (en) | Combined chemical/balance line | |
| JP2004360876A (en) | Three-way valve | |
| CN113932052A (en) | Gas self-closing valve | |
| CN210716037U (en) | Magnetic sealing gate valve | |
| CN211344094U (en) | Single-valve-seat bidirectional sealing structure and ball valve | |
| CN203067860U (en) | Counter-balance valve | |
| CN113062823A (en) | Flow regulating device and common rail system | |
| CN217153385U (en) | Gas output connector | |
| CN201318457Y (en) | Straight-through three-valve piece anti-dripping self-closing water valve | |
| CN105370927A (en) | Hydraulically-controlled one-way valve | |
| CN220668427U (en) | Gate valve with pressure protection valve | |
| CN110848407A (en) | Multifunctional valve | |
| US20210048109A1 (en) | Gate valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |