CN214367902U

CN214367902U - Hard sealing track ball valve

Info

Publication number: CN214367902U
Application number: CN202120271238.3U
Authority: CN
Inventors: 余金贤; 李璋喜; 叶云
Original assignee: Yonglong Valve Co ltd
Current assignee: Yonglong Valve Co ltd
Priority date: 2021-01-30
Filing date: 2021-01-30
Publication date: 2021-10-08
Anticipated expiration: 2031-01-30

Abstract

The utility model discloses a hard seal track ball valve, which comprises a valve body, it has the runner to run through in the valve body, the runner both ends are the valve port, be equipped with the spheroid in the valve body, be equipped with on the valve body and connect spheroidal valve rod, the valve rod top is connected with hand wheel, characterized by: the one end of runner is equipped with the disk seat and supports the circle, be equipped with the disk seat in the disk seat supports the circle, be equipped with the subassembly dismantled of fixed disk seat on the disk seat supports the circle, the subassembly dismantled is including setting up in a plurality of first spouts of disk seat support circle, every first spout all is connected with the second spout, the subassembly dismantled is still including setting up in the lug of disk seat periphery, the lug slips to the second spout and rotatory be used for restricting the disk seat and break away from the disk seat support circle, still be equipped with in the disk seat support circle and make the disk seat support tight spheroidal extrusion subassembly. The utility model has the advantages of it is following and effect: the valve seat can be detached and has good sealing effect when the valve seat is worn.

Description

Hard sealing track ball valve

Technical Field

The utility model relates to a valve field, more specifically says that it relates to a hard seal track ball valve.

Background

The track ball valve is a ball valve with a special structure, and can realize the rotary opening and closing of a valve core, the switch has no friction, and forced sealing can be realized. The method is more and more widely applied to the chemical field, particularly under the working conditions of quick cutting and high and low temperature alternation, such as: the device comprises a natural gas molecular sieve dehydration device, a hydrogenation device, a natural gas metering station, an alternating temperature track ball valve for an inlet and an outlet of a low-temperature cold box of a large-scale ethylene device, a molecular sieve track ball valve and the like.

Because the sealing mode of the ball body and the valve seat belongs to hard sealing, the position of the sealing surface of the ball body and the sealing surface of the valve seat are fixed, and the valve seat can be damaged in the frequent opening and closing process, thereby causing poor sealing and internal leakage of the valve.

SUMMERY OF THE UTILITY MODEL

To the not enough of prior art existence, the utility model aims to provide a detachable hard seal track ball valve.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a hard seal track ball valve, includes the valve body, it has the runner to run through in the valve body, the runner both ends are the valve port, be equipped with the spheroid in the valve body, be equipped with on the valve body and connect spheroidal valve rod, the valve rod top is connected with hand wheel, characterized by: the one end of runner is equipped with the disk seat and supports the circle, be equipped with the disk seat in the disk seat supports the circle, be equipped with the subassembly dismantled of fixed disk seat on the disk seat supports the circle, the subassembly dismantled is including setting up in a plurality of first spouts of disk seat support circle, every first spout all is connected with the second spout, the subassembly dismantled is still including setting up in the lug of disk seat periphery, the lug slips to the second spout and rotatory be used for restricting the disk seat and break away from the disk seat support circle, still be equipped with in the disk seat support circle and make the disk seat support tight spheroidal extrusion subassembly.

Through adopting above-mentioned technical scheme, make the disk seat can dismantle through the card that slides and join in marriage, can reduce cost of maintenance, the disk seat supports tight spheroid under extrusion component's effect simultaneously, even if the spheroid also can be hugged closely in the wearing and tearing of messenger's disk seat when using.

The utility model discloses further set up to: every the second spout all is connected with the third spout, the extrusion subassembly is including setting up buffer spring in the third spout, setting up in the hydraulic pressure chamber of disk seat lock ring third spout dorsad, the hydraulic pressure chamber is equipped with the through-hole towards the one end of third spout, the hydraulic pressure intracavity slides and is equipped with the kicking block, the one end of kicking block extends the through-hole and supports tight lug and slide towards the third spout, the pot head that the kicking block is located the hydraulic pressure inslot is equipped with hydraulic seal circle.

Through adopting above-mentioned technical scheme, the disk seat supports tight spheroid at the effect of kicking block, makes the disk seat even if wear and tear also can still paste tight spheroid under long-time use.

The utility model discloses further set up to: the ball valve is characterized in that a first connecting part is arranged at one end, connected with a valve rod, of the ball body, a first annular groove is formed in the first connecting part, an annular sealing ring is arranged in the first annular groove, the annular sealing ring abuts against the valve rod tightly, and a sealing surface is arranged at the connecting position of the valve rod and the annular sealing ring.

The utility model discloses further set up to: and the ball body is provided with an annular soft sealing ring.

By adopting the technical scheme, the fluid in the ball body is prevented from leaking out of the valve rod.

The utility model discloses further set up to: the valve body is provided with a second annular groove, a valve rod air-charging sealing ring is tightly supported in the second annular groove, a through hole for communicating the second annular groove with the outside is formed in the valve body, and an inflating valve connected with the air-charging sealing ring is arranged in the through hole.

The utility model discloses further set up to: still be equipped with annular extrusion piece on the second annular, be equipped with the bulge on the annular extrusion piece, the bulge is equipped with the fixing bolt who fixes annular extrusion piece and valve body between them.

The utility model discloses further set up to: the valve body is provided with a gear box, and the hand wheel drives the valve rod to rotate through being clamped with a gear in the gear box.

Through adopting above-mentioned technical scheme, aerify through aerifing for inflatable seal circle to fully extrude full second annular under the extrusion, make the sealing performance of valve rod department better.

Drawings

Fig. 1 is a half sectional view of an embodiment of the present invention;

FIG. 2 is a perspective view of a valve seat support ring and a valve seat according to an embodiment of the present invention;

FIG. 3 is a front view of a valve seat support ring according to an embodiment of the present invention;

FIG. 4 is a cross-sectional view of a valve seat support ring according to an embodiment of the present invention;

FIG. 5 is an enlarged view of part A of the present application.

In the figure: 1. a valve body; 2. a flow channel; 21. a sphere; 3. a valve stem; 4. a valve seat support ring; 41. a valve seat; 42. a first chute; 43. a bump; 44. a third chute; 45. a buffer spring; 46. a hydraulic chamber; 47. a top block; 48. a hydraulic seal ring; 5. a ring groove; 51. an annular seal ring; 52. a sealing surface; 6. a second ring groove; 61. an inflatable seal ring; 62. an air valve; 63. an annular extrusion block; 64. fixing the bolt; 7. a gear box.

Detailed Description

Embodiments of the present invention are further described with reference to fig. 1 to 5.

The utility model provides a hard seal track ball valve, includes valve body 1, has run through runner 2 in the valve body 1, and 2 both ends of runner are the valve port, are equipped with spheroid 21 in the valve body 1, are equipped with the valve rod 3 of connecting spheroid 21 on the valve body 1, and 3 tops of valve rod are connected with hand wheel, characterized by: the one end of runner 2 is equipped with valve seat 41 lock ring 4, be equipped with valve seat 41 in the valve seat 41 lock ring 4, be equipped with the subassembly of dismantling of fixed valve seat 41 on the valve seat 41 lock ring 4, the subassembly of dismantling is including setting up in a plurality of first spouts 42 of valve seat 41 lock ring 4, every first spout 42 all is connected with the second spout, the subassembly of dismantling is still including setting up in the lug 43 of valve seat 41 periphery, lug 43 cunning moves to the second spout and rotatory being used for restricting valve seat 41 and breaking away from valve seat 41 lock ring 4, still be equipped with the extrusion subassembly that makes valve seat 41 support tight spheroid 21 in the valve seat 41 lock ring 4.

Every second spout all is connected with third spout 44, and the extrusion subassembly is including setting up buffer spring 45 in third spout 44, setting up in the hydraulic pressure chamber 46 of valve seat 41 lock ring 4 dorsad third spout 44, and hydraulic pressure chamber 46 is equipped with the through-hole towards the one end of third spout 44, and the internal sliding of hydraulic pressure chamber 46 is equipped with kicking block 47, and the through-hole is extended and is supported tight lug 43 and slide towards third spout 44 to the one end of kicking block 47, and the pot head that kicking block 47 is located the hydraulic pressure inslot is equipped with hydraulic seal 48.

One end that spheroid 21 and valve rod 3 are connected is equipped with first connecting portion, has seted up first annular 5 in the first connecting portion, is equipped with annular seal 51 in the first annular 5, and annular seal 51 supports tight valve rod 3, and the valve rod 3 is equipped with sealed face 52 with annular seal 51 junction.

The valve body 1 is provided with a second annular groove 6, the second annular groove 6 is internally provided with an air inflation sealing ring 61 abutting against the valve rod 3, the valve body 1 is provided with a through hole for communicating the second annular groove 6 with the outside, and the through hole is internally provided with an air valve 62 connected with the air inflation sealing ring 61.

An annular extrusion block 63 is further arranged on the second annular groove 6, a protruding portion is arranged on the annular extrusion block 63, and a fixing bolt 64 for fixing the annular extrusion block 63 and the valve body 1 is arranged on the protruding portion.

The valve body 1 is provided with a gear box 7, and the hand wheel drives the valve rod 3 to rotate through being clamped with a gear in the gear box 7.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a hard seal track ball valve, includes valve body (1), it has runner (2) to run through in valve body (1), runner (2) both ends are the valve port, be equipped with spheroid (21) in valve body (1), be equipped with valve rod (3) of connecting spheroid (21) on valve body (1), valve rod (3) top is connected with hand wheel, characterized by: the one end of runner (2) is equipped with disk seat (41) lock ring (4), be equipped with disk seat (41) in disk seat (41) lock ring (4), be equipped with the subassembly dismantled of fixed disk seat (41) on disk seat (41) lock ring (4), the subassembly dismantled is including setting up in a plurality of first spouts (42) of disk seat (41) lock ring (4), every first spout (42) all are connected with the second spout, the subassembly dismantled is still including setting up in lug (43) of disk seat (41) periphery, lug (43) slip move to the second spout and rotatory be used for restricting disk seat (41) and break away from disk seat (41) lock ring (4), still be equipped with the extrusion subassembly that makes disk seat (41) support tight spheroid (21) in disk seat (41) lock ring (4).

2. The hard-seal orbital ball valve as set forth in claim 1 wherein: every the second spout all is connected with third spout (44), the extrusion subassembly is including setting up buffer spring (45) in third spout (44), setting up in hydraulic pressure chamber (46) of valve seat (41) lock ring (4) third spout (44) dorsad, hydraulic pressure chamber (46) are equipped with the through-hole towards the one end of third spout (44), hydraulic pressure chamber (46) internal slipping is equipped with kicking block (47), the one end of kicking block (47) is extended the through-hole and is supported tight lug (43) and slide towards third spout (44), the pot head that kicking block (47) are located hydraulic pressure inslot is equipped with hydraulic seal circle (48).

3. The hard-seal orbital ball valve as set forth in claim 1 wherein: the ball body (21) is provided with a first connecting portion at one end connected with the valve rod (3), a first annular groove (5) is formed in the first connecting portion, an annular sealing ring (51) is arranged in the first annular groove (5), the annular sealing ring (51) supports the valve rod (3) tightly, and a sealing surface (52) is arranged at the joint of the valve rod (3) and the annular sealing ring (51).

4. The hard-seal orbital ball valve as set forth in claim 1 wherein: be equipped with second annular (6) on valve body (1), be equipped with in second annular (6) and support tight valve rod (3) inflatable seal circle (61), be equipped with intercommunication second annular (6) and external through-hole on valve body (1), be provided with inflating valve (62) of connecting inflatable seal circle (61) in the through-hole.

5. The hard-seal orbital ball valve as set forth in claim 4 wherein: still be equipped with annular extrusion piece (63) on second annular (6), be equipped with the bulge on annular extrusion piece (63), the bulge is equipped with fixing bolt (64) of fixed annular extrusion piece (63) and valve body (1) both.

6. The hard-seal orbital ball valve as set forth in claim 1 wherein: be equipped with gear box (7) on valve body (1), the hand wheel drives valve rod (3) through the gear joint with in gear box (7) and rotates.