CN2310231Y - Pipe valve automatic cutting off connector - Google Patents

Abstract

The utility model relates to an automatic throttling connecting device for a pipe valve. The utility model comprises a throttling vlave pipe and a joint pipe, wherein, the throttling valve pipe is mainly composed of a sealing plate, a return spring, a guide rod, a guide frame, a guide hole, and a valve seat; the end part of the joint pipe, which can be sheathed in the open hole of the valve seat, is provided with an overflow hole; the other end of the joint pipe is provided with screw threads which can be connected with the pipe valve, and a sealing piece is arranged on the outside of the joint pipe. The utility model which has the advantages of simple structure, convenient process, convenient assembly and disassembly, etc. can automatically cut off a fluid passage in the course that the pipe valve is assembled and disassembled even if a main pipe valve is not closed. The utility model is especially suitable for the replacement of pipe valves on pipe networks in a city and a town.

Description

Pipe valve automatic-diversion closure connection set

The utility model relates to a kind of pipeline valve, particularly a kind of connection set that dams of being convenient to adorn imperial pipe valve.

At present in the pipe network that each building in cities and towns is made up of pipeline, when pipe valve damages or breaks down when needing maintenance, always to turn off local header valve, just can load and unload, this is not only very inconvenient to maintenance, but also normally pipe valve client's the use of influence part.A kind of " joint of quick joining water pipe " disclosed in CN1080702A, it is to be made of a public access seat and supporting with it female joint chair, on public access seat and female joint chair, be respectively arranged with the device of clamping pipeline and automatic-diversion closure, though it is easy to loading and unloading, can automatic-diversion closure, but its complex structure, processing difficulties and cost of production are higher.

The purpose of this utility model provides a kind of simple in structure, pipe valve automatic-diversion closure connection set of being convenient to process, and it needn't close header valve just can block fluid passage automatically in the pipe valve process that loading and unloading need to change, and easy to loading and unloading.

The purpose of this utility model is to realize by such technological scheme, it includes shutoff valve pipe and adaptor tube, it is characterized in that: be provided with movably sealing plate in the shutoff valve pipe, the intrinsic guide rod that is overlapping Returnning spring on the sealing plate, the shutoff valve bore is provided with can be by the leading truck of fluid, leading truck is provided with pilot hole, guide rod one end passes pilot hole slidably, be provided with the valve seat of being with perforate with the corresponding shutoff valve Guan Yiduan of sealing plate, the adaptor tube end that can be inserted in the valve seat perforate has flowing hole, the adaptor tube the other end is provided with the screw thread that can be connected with pipe valve, and the adaptor tube outer installment has Sealing.

Common shutoff valve tube and tube of the present utility model road one end connects, adaptor tube has an end of flowing hole to be socketed on the shutoff valve pipe, and the other end is connected with pipe valve, at this moment, fluid flows to pipe valve by the flowing hole on leading truck and the adaptor tube, and the utility model is in the unimpeded state of fluid; When needs are changed pipe valve, only need take off adaptor tube, sealing plate in the shutoff valve pipe is under the effect of Returnning spring, compress and seal the perforate on the valve seat, to reach the purpose of blocking fluid passage automatically, the adaptor tube that will change new pipe valve then reinstalls on the shutoff valve pipe, just can continue to use, thereby reach the simple purpose of loading and unloading.

All be connected to the twin adapter pipe valve of pipeline for both sides, in order to take off adaptor tube and pipe valve, the expansion device that matches and use with shutoff valve pipe and adaptor tube be housed at the other end of pipe valve.

Owing to adopted technique scheme, the utlity model has simple in structure, be convenient to processing and load and unload advantages such as easy, in loading and unloading pipe valve process, be not related to header valve and just can block fluid passage automatically, be specially adapted to the replacing of pipe valve on the pipe network of cities and towns.

Description of drawings of the present utility model is as follows:

Fig. 1 is the utility model embodiment 1 a structural representation;

Fig. 2 is the utility model embodiment 2 a structural representation;

Fig. 3 is the utility model embodiment 3 a structural representation.

Among the figure: 1. shutoff valve pipe; 2. adaptor tube; 3. sealing plate; 4. Returnning spring; 5. guide rod; 6. leading truck; 7. pilot hole; 8. perforate; 9. valve seat; 10. flowing hole; 11. Sealing; 12. seal ring; 13. locking concave surface; 14. boss; 15. sleeve pipe; 16. projection; 17. truncated cone shape hole; 18. lock ball; 19. shackle; 20. restoring spring; 21. pinecone space; 22. limited ring; 23. spacing block set; 24. compress cover; 25. expansion device; 26. telescopic pipe; 27. retracting cylinder; 28. seal joint; 29. connecting tube; 30. extendable room; 31. stuffing box packing; 32. compress projection.

The utility model is described in further detail below in conjunction with drawings and Examples:

As Fig. 1,2, shown in 3, the utility model includes shutoff valve pipe 1 and adaptor tube 2, it is characterized in that: be provided with movably sealing plate 3 in the shutoff valve pipe 1, the intrinsic guide rod 5 that is overlapping Returnning spring 4 on the sealing plate 3, shutoff valve pipe 1 internal diameter is provided with can be by the leading truck 6 of fluid, leading truck 6 is provided with pilot hole 7, guide rod 5 one ends pass pilot hole 7 slidably, be provided with the valve seat 9 of being with perforate 8 with sealing plate 3 corresponding shutoff valve pipe 1 one ends, adaptor tube 2 ends that can be inserted in valve seat 9 perforates 8 have flowing hole 10, adaptor tube 2 the other ends are provided with the screw thread that can be connected with pipe valve, and adaptor tube 2 outer installment have Sealing 11.

Common shutoff valve pipe 1 of the present utility model is connected with pipeline one end, adaptor tube 2 has an end of flowing hole 10 to be socketed on the shutoff valve pipe 1, and the other end is connected with pipe valve, at this moment, fluid flows to pipe valve by the flowing hole 10 on leading truck 6 and the adaptor tube 2, and the utility model is in the unimpeded state of fluid; When needs are changed pipe valve, only need take off adaptor tube 2, sealing plate 3 in the shutoff valve pipe 1 is under the effect of Returnning spring 4, compress and seal the perforate 8 on the valve seat 9, to reach the purpose of blocking fluid passage automatically, the adaptor tube 2 that will change new pipe valve then reinstalls on the shutoff valve pipe 1, just can continue to use, thereby reach the simple purpose of loading and unloading.

Shown in Fig. 2,3, valve seat 9 can be affixed with shutoff valve pipe 1; As shown in Figure 1, valve seat 9 also can adopt with shutoff valve pipe 1 and be threaded.

As shown in Figure 3, for flanged twin adapter pipe valve, Sealing 11 is the flange arrangement of band seal ring 12.

As shown in Figure 1, water tap for family expenses, Sealing 11 is the boss 14 of tight concave surface 13 with lock, be provided with seal ring 12 between boss 14 and the valve seat 9, intrinsic sleeve pipe 15 and the projection 16 that is inserted in boss 14 on the valve seat 9, have and lock concave surface 13 corresponding frustoconic shape holes 17 on the sleeve pipe 15, be placed with lock ball 18 in the frustoconic shape hole 17, be with shackle 19 on the sleeve pipe 15, be provided with restoring spring 20 between shackle 19 and the projection 16, shackle 19 internal diameters are provided with pinecone space 21, and sleeve pipe 15 ends are provided with limited ring 22.Generally, lock ball 18 is pressed on the locking concave surface 13 on the boss 14 by frustoconic shape hole 17 under the effect of shackle 19, so that stuck adaptor tube 2 and can not moving; When needs take off adaptor tube 2, only need mobile shackle 19, make pinecone space 21 corresponding with frustoconic shape hole 17, lock ball 18 is loosening, just is easy to this moment adaptor tube 2 is dialled down from shutoff valve pipe 1; The effect of limited ring 22 is to prevent that shackle 19 from coming off.

As shown in Figure 2, for the twin adapter pipe valve of threaded interface, Sealing 11 is a spacing block set 23, between spacing block set 23 and the valve seat 9 seal ring 12 is set, between shutoff valve pipe 1 and adaptor tube 2, be provided with and compress cover 24, compress cover 24 and be threaded with 1 employing of shutoff valve pipe.When needs take off adaptor tube 2, only need unclamp and compress cover 24 and just can transfer to adaptor tube 2.

Shown in Fig. 2,3, all be connected to the twin adapter pipe valve of pipeline for both sides, in order to take off adaptor tube 2 and pipe valve, the expansion device 25 that matches and use with shutoff valve pipe 1 and adaptor tube 2 is housed at the other end of pipe valve.Expansion device 25 is by telescopic pipe 26, retracting cylinder 27, seal joint 28 and connecting tube 29 are formed, adopt flange to be connected between connecting tube 29 1 ends and the pipe valve or be threaded, adopt flange to be connected between connecting tube 29 the other ends and the retracting cylinder 27 or be threaded, telescopic pipe 26 inserts in the retracting cylinder 27, be provided with in the retracting cylinder 27 and can adorn the extendable room 30 of driving adaptor tube 2, on retracting cylinder 27, can insert the space of stuffing box packing 31, seal joint 28 be provided with can compress stuffing box packing 31 compress projection 32, adopt flange to be connected between seal joint 28 and the retracting cylinder 27 or be threaded.Generally, the projection 32 that compresses on the seal joint 28 compresses stuffing box packing 31, and stuck retracting cylinder 27 makes can not produce between retracting cylinder 27 and the telescopic pipe 26 to relatively move; When needs take off adaptor tube 2, only need unclamp all fastening pieces that are connected with retracting cylinder 27 (seal joint 28 that is threaded as the bolt on the flange arrangement, use and retaining ring etc.), retracting cylinder 27 is moved right, till reserving the space that to take off adaptor tube 2.

Claims (8)

1, a kind of pipe valve automatic-diversion closure connection set, include shutoff valve pipe (1) and adaptor tube (2), it is characterized in that: be provided with movably sealing plate (3) in the shutoff valve pipe (1), sealing plate (3) is gone up the intrinsic guide rod (5) that is overlapping Returnning spring (4), shutoff valve pipe (1) internal diameter is provided with can be by the leading truck (6) of fluid, leading truck (6) is provided with pilot hole (7), guide rod (5) one ends pass pilot hole (7) slidably, be provided with the valve seat (9) of being with perforate (8) with corresponding shutoff valve pipe (1) one end of sealing plate (3), adaptor tube (2) end that can be inserted in valve seat (9) perforate (8) has flowing hole (10), adaptor tube (2) the other end is provided with the screw thread that can be connected with pipe valve, and adaptor tube (2) outer installment has Sealing (11).

2, pipe valve automatic-diversion closure connection set as claimed in claim 1 is characterized in that: valve seat (9) is affixed with shutoff valve pipe (1).

3, pipe valve automatic-diversion closure connection set as claimed in claim 1 is characterized in that: valve seat (9) adopts with shutoff valve pipe (1) and is threaded.

4, pipe valve automatic-diversion closure connection set as claimed in claim 1 is characterized in that: Sealing (11) is the flange arrangement of band seal ring (12).

5, as claim 2,3 described pipe valve automatic-diversion closure connection sets, it is characterized in that: Sealing (11) is the boss (14) of tight concave surface with lock (13), be provided with seal ring (12) between boss (14) and the valve seat (9), valve seat (9) is gone up intrinsic sleeve pipe (15) and the projection (16) that is inserted in boss (14), have and lock concave surface (13) corresponding frustoconic shape hole (17) on the sleeve pipe (15), be placed with lock ball (18) in the frustoconic shape hole (17), be with shackle (19) on the sleeve pipe (15), be provided with restoring spring (20) between shackle (19) and the projection (16), shackle (19) internal diameter is provided with pinecone space (21), and sleeve pipe (15) end is provided with limited ring (22).

6, pipe valve automatic-diversion closure connection set as claimed in claim 2, it is characterized in that: Sealing (11) is a spacing block set (23), between spacing protruding (23) piece and the valve seat (9) seal ring (12) is set, between shutoff valve pipe (1) and adaptor tube (2), be provided with and compress cover (24), compress cover (24) and be threaded with shutoff valve pipe (1) employing.

7, as claim 4,6 described pipe valve automatic-diversion closure connection sets is characterized in that: the other end at pipe valve is equipped with the expansion device (25) that matches and use with shutoff valve pipe (1) and adaptor tube (2).

8, pipe valve automatic-diversion closure connection set as claimed in claim 7, it is characterized in that: expansion device (25) is by telescopic pipe (26), retracting cylinder (27), seal joint (28) and connecting tube (29) are formed, adopt flange to be connected between connecting tube (29) one ends and the pipe valve or be threaded, adopt flange to be connected between connecting tube (29) the other end and the retracting cylinder (27) or be threaded, telescopic pipe (26) inserts in the retracting cylinder (27), be provided with the extendable room (30) that to adorn imperial adaptor tube (2) in the retracting cylinder (27), on retracting cylinder (27), leave the space that to insert stuffing box packing (31), seal joint (28) be provided with can compress stuffing box packing (31) compress projection (32), adopt flange to be connected between seal joint (28) and the retracting cylinder (27) or be threaded.

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