CN214119004U - Double-seal wear-resistant valve - Google Patents

Abstract

The utility model discloses a dual containment stand wear and tear valve, including the valve body, disk seat ring, case, go up becket, first annular inserted block and second annular inserted block, the inlet channel has been seted up to one end in the valve body, the drain has been seted up to the other end in the valve body, it is equipped with the disk seat ring to weld in the valve body and between being located inlet channel and the drain, the valve core chamber has been seted up at the top in the valve body, the disk seat intracavity is equipped with the case, the welding of case bottom is equipped with first annular inserted block, the disk seat ring top is seted up the first annular slot that corresponds with first annular inserted block. When the whole valve body is used, good sealing treatment can be effectively carried out on the opening and closing of the valve body, a double-sealing effect is achieved, the whole valve is more stable to use, and the valve has higher practicability.

Description

Double-seal wear-resistant valve

Technical Field

The utility model relates to the technical field of valves, in particular to dual-seal stand wear and tear valve.

Background

The valve is a control part in a fluid conveying system, has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like, generally comprises a valve body, a valve core, a valve seat and a valve rod, and when the valve is sealed, on one hand, the valve core is abutted against the valve seat to carry out first sealing, and on the other hand, a sealing ring is abutted against a part to be sealed to realize second sealing.

When a valve core of the existing valve is opened and closed, the valve core is only sealed in a covering mode through a single cover, a reliable elastic inserting type sealing part is lacked, and the reliability is lower in strength, high temperature resistance and service life under severe working conditions of high temperature, high pressure, frequent fluctuation of working environment and the like. To this end, we propose a double-seal wear-resistant valve.

Disclosure of Invention

The utility model discloses a main aim at provides a double containment stand wear and tear valve can effectively solve the problem among the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a double containment stand wear and tear valve, includes the valve body, disk seat ring, case, goes up becket, first annular inserted block and second annular inserted block, the inlet channel has been seted up to one end in the valve body, the drain has been seted up to the other end in the valve body, just be located in the valve body and weld between inlet channel and the drain and be equipped with the disk seat ring, the case chamber has been seted up at the top in the valve body, the case intracavity is equipped with the case, the welding of case bottom is equipped with first annular inserted block, the first annular slot that corresponds with first annular inserted block is seted up at disk seat ring top.

Furthermore, an upper metal ring is welded to the top of the valve core cavity, a second annular insertion block is welded to the periphery of the top of the valve core, and a second annular insertion groove corresponding to the second annular insertion block is formed in the bottom of the upper metal ring.

Furthermore, all inlay on first annular inserted block and the second annular inserted block and establish and install high temperature resistant rubber sealing ring.

Further, the valve core top fixed mounting has the valve rod, the valve body, valve seat ring, valve core, go up the becket, first annular inserted block and second annular inserted block surface all plate and have the copper facing material layer.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the water inlet channel and the drainage channel of the valve body realize the conveying of water flow, during the use, push down the case through the valve rod, make the case carry out the shutoff to the disk seat ring, thereby realize the shutoff between water inlet channel and the drainage channel, through offering of first annular insert block on the case and the disk seat ring first annular slot, carry out the pressfitting shutoff back to the disk seat ring at the case, first annular insert block can effectively insert and establish to first annular slot in, thereby make better realization between case and the disk seat ring sealed.

2. Through the arrangement of the second annular insertion block on the valve core and the second annular insertion groove on the upper metal ring, after the valve core is lifted and opened, the second annular insertion block of the valve core can effectively insert the second annular insertion groove of the upper metal ring, so that the sealing performance of the valve core and the top of the valve core cavity is greatly improved, and when the water inlet channel and the water drainage channel are full of water flow, the sealing performance of the top in the valve body can be effectively improved due to the plugging of the second annular insertion block; when the whole valve body is used, good sealing treatment can be effectively carried out on the opening and closing of the valve body, a double-sealing effect is achieved, the whole valve is more stable to use, and the valve has higher practicability.

Drawings

Fig. 1 is a schematic view of the structure of the closed cross section of the valve core of the dual-seal abrasion-resistant valve of the present invention.

Fig. 2 is a schematic view of the cross-sectional structure of the valve element opening of the dual-seal wear-resistant valve of the present invention.

Fig. 3 is an enlarged schematic view of fig. 1A of the dual-seal wear-resistant valve of the present invention.

Fig. 4 is an enlarged schematic view of the dual-seal wear-resistant valve of the present invention at fig. 2B.

In the figure: 1. a valve body; 2. a water inlet channel; 3. a water drain; 4. a spool cavity; 5. a valve core; 6. a valve stem; 7. a first annular insert block; 8. a first annular slot; 9. an upper metal ring; 10. a second annular insert block; 11. a second annular socket; 12. a high temperature resistant rubber sealing ring; 13. a valve seat ring.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-4, a double-seal wear-resistant valve comprises a valve body 1, a valve seat ring 13, a valve core 5, an upper metal ring 9, a first annular insert block 7 and a second annular insert block 10, a water inlet channel 2 is arranged at one end in the valve body 1, a water discharge channel 3 is arranged at the other end in the valve body 1, the valve seat ring 13 is arranged in the valve body 1 and positioned between the water inlet channel 2 and the water discharge channel 3 in a welding mode, a valve core cavity 4 is arranged at the top in the valve body 1, the valve core 5 is arranged in the valve core cavity 4, the first annular insert block 7 is arranged at the bottom of the valve core 5 in a welding mode, and a first annular slot 8 corresponding to the first annular insert block 7 is arranged at the top of the valve seat ring 13.

An upper metal ring 9 is welded to the top of the valve core cavity 4, a second annular insert block 10 is welded to the periphery of the top of the valve core 5, and a second annular slot 11 corresponding to the second annular insert block 10 is formed in the bottom of the upper metal ring 9.

In this embodiment, as shown in fig. 1, when the valve core 5 rises to open the opening, the second annular insert 10 of the valve core 5 can be effectively inserted into the second annular slot 11 of the upper metal ring 9, so as to greatly improve the sealing performance between the valve core 5 and the top of the valve core chamber 4.

Wherein, all inlay to establish on first annular inserted block 7 and the second annular inserted block 10 and install high temperature resistant rubber sealing ring 12.

In this embodiment, as shown in fig. 1, the high temperature resistant rubber sealing ring 12 can help the first annular insert 7 and the second annular insert 10 to have better sealing performance when sealing.

Wherein, 5 top fixed mounting of case has valve rod 6, valve body 1, valve seat ring 13, case 5, go up becket 9, first annular inserted block 7 and second annular inserted block 10 surface and all plated with copper-plated material layer.

In the embodiment, as shown in fig. 1, the valve body 1 plated with the copper plating material layer, the valve seat ring 13, the valve core 5, the upper metal ring 9, the first annular insert block 7 and the second annular insert block have high service strength and good wear resistance.

It should be noted that, the utility model relates to a dual-seal wear-resistant valve, during operation, the personnel realize the transport of rivers through inlet channel 2 and drain 3 of valve body 1, during the use, push down valve core 5 through valve rod 6, make valve core 5 carry out the shutoff to valve seat ring 13, thereby realize the shutoff between inlet channel 2 and drain 3, through the setup of first annular inserted block 7 on the valve core 5 and first annular slot 8 on valve seat ring 13, after valve core 5 carried out the pressfitting shutoff to valve seat ring 13, first annular inserted block 7 can effectively insert and establish to first annular slot 8, thereby make better realization between valve core 5 and the valve seat ring 13 seal; through the second annular inserted block 10 on the case 5 and the setting of second annular slot 11 on last becket 9, at the ascending opening of case 5, the second annular inserted block 10 of case 5 can be effectively to inserting in the second annular slot 11 of last becket 9 and establish to improve the leakproofness at case 5 and 4 tops of case chamber greatly, when being full of rivers in facing inlet channel 2 and drain 3, the shutoff of second annular inserted block 10 can effectively increase the leakproofness at top in the valve body 1.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (4)

1. The utility model provides a double containment stand wear and tear valve, includes valve body (1), disk seat ring (13), case (5), goes up becket (9), first annular inserted block (7) and second annular inserted block (10), its characterized in that, intake tract (2) have been seted up to one end in valve body (1), drain (3) have been seted up to the other end in valve body (1), just be located to weld between intake tract (2) and drain (3) and be equipped with disk seat ring (13) in valve body (1), case chamber (4) have been seted up at valve body (1) interior top, be equipped with case (5) in case chamber (4), the welding is equipped with first annular inserted block (7) in case (5) bottom, disk seat ring (13) top is seted up first annular slot (8) that correspond with first annular inserted block (7).

2. The dual seal wear resistant valve as defined in claim 1 wherein: an upper metal ring (9) is welded to the inner top of the valve core cavity (4), a second annular insert block (10) is welded to the periphery of the top of the valve core (5), and a second annular slot (11) corresponding to the second annular insert block (10) is formed in the bottom of the upper metal ring (9).

3. The dual seal wear resistant valve as defined in claim 1 wherein: and the first annular insertion block (7) and the second annular insertion block (10) are respectively provided with a high-temperature-resistant rubber sealing ring (12) in an embedded manner.

4. The dual seal wear resistant valve as defined in claim 1 wherein: valve core (5) top fixed mounting has valve rod (6), valve body (1), valve seat ring (13), valve core (5), go up becket (9), first annular inserted block (7) and second annular inserted block (10) surface all the plating have the copper facing material layer.

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