CN218267490U - Stainless steel soft sealing gate valve - Google Patents

Abstract

The utility model belongs to the technical field of the valve, especially, soft sealing gate valve of stainless steel, include the valve body and install the ring flange of valve body both sides, two first sealed pads of internal surface difference fixedly connected with of ring flange, the inner wall of ring flange is provided with sealed adjustment mechanism. This soft sealing gate valve of stainless steel, through setting up sealed adjustment mechanism, be convenient for seal the valve body once more when the wearing and tearing of first sealed pad make the valve body infiltration, reduce the problem that needs frequent change, improve valve body life, through pressing down the regulation pole, the pipeline of moving down to drive the sealed pad of second and laminating rather than being connected, thereby seal, simultaneously when fixture block and draw-in groove contact, loosen the regulation pole, the fixture block is at the elasticity that removes in-process extrusion spring and make the spring produce drive fixture block and draw-in groove joint, and then prevent that the sealed elastic force that produces of second from driving the regulation pole and reset, reach and adjust the sealed pad of second and carry out the effect that supports to the valve body.

Description

Stainless steel soft sealing gate valve

Technical Field

The utility model relates to the technical field of valves, especially, relate to a soft sealing gate valve of stainless steel.

Background

The soft seal gate valve is opened and closed by a gate plate, and the gate valve can only be opened and closed and cannot be adjusted and throttled. The gate plate is provided with two sealing surfaces, the two sealing surfaces of the most common mode gate plate valve form a wedge shape, the wedge angle is different along with the valve parameters, and the soft seal gate valve is divided into a bright rod soft seal gate valve and a non-bright rod soft seal gate valve. Generally, a trapezoidal thread is arranged on the lifting rod, and the rotary motion is changed into the linear motion, namely the operation torque is changed into the operation thrust force through a nut in the middle of the gate plate and a guide groove on the valve body. When the valve is opened, the flow path is completely clear when the gate lift height is equal to 1:1 times the valve path, but this position is not monitored during operation. In actual use, the vertex of the valve rod is used as a mark, namely, the opening and closing position is used as the full opening position. To account for the occurrence of lock-up due to temperature changes, the valve is usually opened to the top position and then rewound 1/2-1 turn back to assume the fully opened position. Thus, the fully open position of the valve is determined by the position (i.e., stroke) of the gate. The valve of this type should be generally installed horizontally in the pipeline.

The existing soft seal gate valve is communicated between pipelines through flanges when in use, a sealing gasket is added between two flange plates and then fastened by bolts in order to prevent water flow in the pipelines from leaking, but the sealing gasket is damaged and becomes poor in sealing property along with long-time use of the soft seal gate valve, and water is easy to seep, so that the service life of the soft seal gate valve is shortened.

SUMMERY OF THE UTILITY MODEL

Based on above-mentioned technical problem at present, the utility model provides a stainless steel soft sealing gate valve.

The utility model provides a pair of soft sealing gate valve of stainless steel, include the valve body and install the ring flange of valve body both sides, the internal surface of ring flange is two first sealed pads of fixedly connected with respectively, the inner wall of ring flange is provided with sealed adjustment mechanism, sealed adjustment mechanism includes that the second is sealed fills up, the second seal fill up with on first sealed pad acts on the pipeline jointly, thereby it is right the valve body further seals.

Preferably, the seal adjusting mechanism further comprises a plurality of sliding grooves distributed in an annular array, the sliding grooves are formed in the outer surface of the flange plate, an adjusting rod is connected to the inner wall of each sliding groove in a sliding and clamping mode, and one end, extending into the flange plate, of each adjusting rod is fixedly connected with the surface of the second sealing gasket;

through the technical scheme, the adjusting rod in the up-and-down moving chute drives the second sealing gasket to move.

Preferably, an annular groove is formed in the inner surface of the flange plate, the inner wall of the annular groove is communicated with the inner wall of the sliding groove, and the surface of the second sealing gasket is clamped with the inner wall of the annular groove in a sliding manner;

through above-mentioned technical scheme, the sealed inner wall that fills up along the ring channel of second removes to it is spacing to fill up the second.

Preferably, said second gasket is located between two of said first gaskets;

through above-mentioned technical scheme, two first sealed pad seal up with flange joint's pipeline, and the second is sealed to be sealed to carry out the secondary on the sealed basis of first sealed pad, improves the holistic leakproofness of valve body.

Preferably, the surface of the adjusting rod is provided with a groove, the inner wall of the groove is hinged with a fixture block through a pin shaft, two ends of the fixture block are respectively and fixedly connected with a spring, and the free end of the spring is fixedly connected with the inner wall of the groove;

through the technical scheme, the deformation generated when the fixture block moves drives the springs on the two sides to bear force to generate elastic force, and the elastic force of the springs on the two sides limits the fixture block.

Preferably, a plurality of clamping grooves are formed in the inner wall of the sliding groove, and one end of each clamping block is in sliding clamping connection with the inner wall of each clamping groove;

through the technical scheme, when the clamping block is in contact with the clamping groove, the clamping block is driven by the elastic force of the spring to be clamped with the clamping groove, and when the adjusting rod is not moved, the clamping groove is clamped with the clamping block to support the adjusting rod.

The utility model provides a beneficial effect does:

through setting up sealed adjustment mechanism, be convenient for seal the valve body once more when the wearing and tearing of first sealed pad make the valve body infiltration, reduce the problem that needs frequent change, improve valve body life, through pressing down the regulation pole, the regulation pole move down and drive the sealed pipeline of laminating rather than being connected of second more, thereby seal, simultaneously when fixture block and draw-in groove contact, loosen the regulation pole, the fixture block is at the elasticity that removes in-process extrusion spring and make the spring produce drive fixture block and draw-in groove joint, and then prevent that the sealed elasticity that produces of second from driving the regulation pole and reset, reach and adjust the sealed effect that supports to the valve body that fills up of second.

Drawings

Fig. 1 is a schematic view of a stainless steel soft seal gate valve provided by the present invention;

fig. 2 is a perspective view of a flange structure of the stainless steel soft seal gate valve provided by the present invention;

fig. 3 is a perspective view of a second sealing gasket structure of the stainless steel soft sealing gate valve provided by the present invention;

fig. 4 is a perspective view of a groove structure of the stainless steel soft seal gate valve provided by the present invention;

fig. 5 is a perspective view of an adjusting rod structure of the stainless steel soft seal gate valve provided by the utility model.

In the figure: 1. a valve body; 2. a flange plate; 3. a first gasket; 4. a second gasket; 41. a chute; 42. adjusting a rod; 43. an annular groove; 44. a groove; 45. a clamping block; 46. a spring; 47. a clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-5, a stainless steel soft sealing gate valve comprises a valve body 1 and flange plates 2 installed on two sides of the valve body 1, wherein two first sealing gaskets 3 are fixedly connected to the inner surfaces of the flange plates 2 respectively, a sealing adjusting mechanism is arranged on the inner wall of each flange plate 2, each sealing adjusting mechanism comprises a second sealing gasket 4, and the second sealing gasket 4 and the first sealing gasket 3 act on a pipeline together, so that the valve body 1 is further sealed.

In order to facilitate the sealing of the second gasket 4, the second gasket 4 is located between two first gaskets 3.

In order to facilitate the control of the movement of the second sealing gasket 4 to enable the second sealing gasket to be attached to the pipeline to realize sealing, the sealing adjusting mechanism further comprises a plurality of sliding grooves 41 distributed in an annular array, the plurality of sliding grooves 41 are formed in the outer surface of the flange plate 2, an adjusting rod 42 is slidably clamped on the inner wall of each sliding groove 41, and one end, extending into the flange plate 2, of each adjusting rod 42 is fixedly connected with the surface of the second sealing gasket 4.

In order to limit the movement of the second sealing gasket 4, an annular groove 43 is formed in the inner surface of the flange 2, the inner wall of the annular groove 43 is communicated with the inner wall of the sliding groove 41, and the surface of the second sealing gasket 4 is in sliding clamping connection with the inner wall of the annular groove 43.

In order to prevent the second sealing gasket 4 from being reset due to self elasticity, a groove 44 is formed in the surface of the adjusting rod 42, a clamping block 45 is hinged to the inner wall of the groove 44 through a pin shaft, springs 46 are fixedly connected to two ends of the clamping block 45 respectively, the free ends of the springs 46 are fixedly connected with the inner wall of the groove 44, a plurality of clamping grooves 47 are formed in the inner wall of the sliding groove 41, and one end of the clamping block 45 is in sliding clamping connection with the inner wall of the clamping groove 47.

Through setting up sealed adjustment mechanism, be convenient for carry out once more to valve body 1 when first sealed pad 3 wearing and tearing make valve body 1 ooze water, reduce the problem that needs frequent change, improve valve body 1 life, through pressing down regulation pole 42, the pipeline of moving down and driving the sealed pad 4 of second and laminating rather than being connected of regulation pole 42, thereby seal, simultaneously when fixture block 45 contacts with draw-in groove 47, loosen regulation pole 42, fixture block 45 is at the removal in-process extrusion spring 46 makes the elasticity that spring 46 produced drive fixture block 45 and draw-in groove 47 joint, and then prevent that the elasticity that the sealed pad 4 of second produced from driving regulation pole 42 and reset, reach and adjust the sealed effect that 4 carried out the support to valve body 1 of the sealed pad of second.

The working principle is as follows: when the sealing device is used, the valve body 1 is connected with a pipeline through the flange plate 2, and the two first sealing gaskets 3 in the flange plate 2 are attached to and sealed with the pipeline, so that the valve body 1 is sealed;

when the first sealing gasket 3 is worn after being used, the adjusting rod 42 is pressed downwards, the adjusting rod 42 moves downwards to drive the second sealing gasket 4 to be attached and sealed with a pipeline, meanwhile, the adjusting rod 42 moves downwards to drive the clamping block 45 to move downwards, the clamping block 45 moves to drive the springs 46 on two sides to deform to generate reset elastic force, when the clamping block 45 contacts with the clamping groove 47, the clamping block 45 is clamped with the clamping groove 47 through the elastic force of the two springs 46, the adjusting rod 42 is loosened, the valve body 1 can be normally used again, and the service life of the valve body 1 is prolonged.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The utility model provides a soft sealing gate valve of stainless steel, includes valve body (1) and installs ring flange (2) of valve body (1) both sides, its characterized in that: the internal surface of ring flange (2) is two first sealed pad (3) of fixedly connected with respectively, the inner wall of ring flange (2) is provided with sealed adjustment mechanism, sealed adjustment mechanism includes that the second seals up (4), the sealed pad (4) of second with first sealed pad (3) act on the pipeline jointly, thereby it is right valve body (1) further seals up.

2. The stainless steel soft seal gate valve of claim 1, wherein: sealed adjustment mechanism still includes a plurality of spout (41) that are the annular array and distribute, and is a plurality of spout (41) are seted up the surface of ring flange (2), just the inner wall slip joint of spout (41) has adjusting pole (42), adjust pole (42) extend to flange (2) interior one end with the fixed surface of the sealed pad (4) of second is connected.

3. The stainless steel soft seal gate valve of claim 2, wherein: annular groove (43) have been seted up to the internal surface of ring flange (2), the inner wall of annular groove (43) with the inner wall intercommunication of spout (41), the surface of second sealed pad (4) with the inner wall slip joint of annular groove (43).

4. The stainless steel soft seal gate valve of claim 1, wherein: the second sealing gasket (4) is positioned between the two first sealing gaskets (3).

5. The stainless steel soft seal gate valve of claim 2, wherein: the surface of the adjusting rod (42) is provided with a groove (44), the inner wall of the groove (44) is hinged with a fixture block (45) through a pin shaft, two ends of the fixture block (45) are fixedly connected with springs (46) respectively, and free ends of the springs (46) are fixedly connected with the inner wall of the groove (44).

6. The stainless steel soft seal gate valve of claim 5, wherein: a plurality of clamping grooves (47) are formed in the inner wall of the sliding groove (41), and one end of each clamping block (45) is in sliding clamping connection with the inner wall of each clamping groove (47).

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