CN210344343U

CN210344343U - Soft sealing gate valve

Info

Publication number: CN210344343U
Application number: CN201920725612.5U
Authority: CN
Inventors: 翁煌祥
Original assignee: Jianqiao Valve Shanghai Co ltd
Current assignee: Cambridge Valve Group Co.,Ltd.
Priority date: 2019-05-21
Filing date: 2019-05-21
Publication date: 2020-04-17
Anticipated expiration: 2029-05-21

Abstract

The utility model discloses a soft sealing gate valve, which comprises a first connecting pipe, a valve plate, a second connecting pipe and a fixed cover, connecting blocks are welded on the outer sides of the opposite ends of the first connecting pipe and the second connecting pipe, flanges are welded on the outer sides of the ends of the first connecting pipe and the second connecting pipe, which are far away from the connecting blocks, connecting strips are welded on the two sides of the connecting blocks, the two connecting blocks are connected through screws, a sealing gasket is fixed between the two connecting blocks, sliding grooves are respectively arranged in the middle of the corresponding sides of the two connecting blocks, the height and the width of the sliding groove are both larger than the diameters of the first connecting pipe and the second connecting pipe, the valve plate is positioned in the sliding groove, the middle parts and the bottom ends of the two ends of the valve plate are both fixed with sealing rings, and all be fixed with the sealing washer around the both sides of valve plate, the department is fixed with the bearing in the middle of the up end of valve plate, fixed lid is located the upper end of two connecting blocks. The utility model discloses it is better to possess the leakproofness, and the advantage of the maintenance of being convenient for.

Description

Soft sealing gate valve

Technical Field

The utility model relates to a gate valve technical field specifically is a soft sealing gate valve.

Background

The soft seal gate valve is divided into an exposed rod soft seal gate valve and a non-exposed 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 passage of fluid is completely open when the gate plate is lifted to a height equal to 1:1 times the gate diameter, 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 was opened to the top position and then reversed 1/2-1 cycles to assume the fully open valve position. Thus, the fully open position of the valve is determined by the position of the gate. The valve of this type should be generally installed horizontally in the pipeline.

Soft seal gate valve is all controlled the gate valve through the valve plate at the in-process that uses, is favorable to realizing opening and close to the gate valve, and current valve plate structure is comparatively simple, and the leakproofness is relatively poor, is unfavorable for the valve plate to the sealed of fluid, influences the use of gate valve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a soft sealing gate valve possesses that the leakproofness is better, and the advantage of convenient control and maintenance has solved the leakproofness relatively poor, is unfavorable for the valve plate to the sealed of fluid, influences the problem of the use of gate valve.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a soft sealing gate valve, includes first connecting pipe, valve plate, second connecting pipe and fixed lid, the connecting block has all been welded in the one end outside that first connecting pipe and second connecting pipe are relative, the ring flange has all been welded in the one end outside that first connecting pipe and second connecting pipe deviate from the connecting block, the connecting strip has all been welded in the both sides of connecting block, and two connecting blocks are connected through the screw, and is fixed with sealed the pad between two connecting blocks, and the spout has all been seted up to department in the middle of two corresponding one sides of connecting block, and the height and the width of spout all are greater than the diameter of first connecting pipe and second connecting pipe.

Preferably, the valve plate is located the spout, the sealing washer is all fixed with in the middle of the both ends of valve plate and bottom, and all fixed with the sealing washer around the both sides of valve plate, the department is fixed with the bearing in the middle of the up end of valve plate.

Preferably, the fixed cover is positioned at the upper ends of the two connecting blocks, the fixed cover is fixed on the connecting blocks through screws, and a screw hole is formed in the middle of the fixed cover.

Preferably, the lower end of the screw rod is fixed on the bearing, the screw rod is installed in the screw hole in a threaded mode, and the hand wheel is installed on the upper end of the screw rod in a threaded mode.

Preferably, the length of the fixing cover is equal to the width of the connecting block, and the width of the fixing cover is equal to the thickness of the two connecting blocks.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a set up the connecting block, be favorable to carrying out the effect of installing to the valve plate, pass through the fixed of connecting strip with the connecting block in the use, realized being connected between the connecting block, make first connecting pipe and second connecting pipe be linked together, and the valve plate is located the spout in the connecting block, and the sealing washer is all installed all around to the outer end and the both sides of connecting block simultaneously, is favorable to increasing the leakproofness of connecting block and spout.

2. The utility model discloses a set up screw rod and fixed lid, be favorable to the control to the valve plate to and the effect of convenient dismantlement to the valve plate drives the screw rod through rotating the hand wheel, makes the valve plate go up and down in the spout, realizes the effect of control flow, when needing to maintain the valve plate or change simultaneously, can dismantle fixed lid, be convenient for to taking out of valve plate.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic view of the appearance structure of the present invention;

FIG. 3 is a schematic side view of the present invention;

fig. 4 is a schematic side sectional structure view of the present invention.

In the figure: 1. a flange plate; 2. a first connecting pipe; 3. connecting blocks; 4. a valve plate; 5. a seal ring; 6. a second connecting pipe; 7. a bearing; 8. a chute; 9. a screw; 10. a screw; 11. a hand wheel; 12. a screw hole; 13. a fixed cover; 14. a connecting strip; 15. and a gasket.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 4, the present invention provides an embodiment: the utility model provides a soft sealing gate valve, including first connecting pipe 2, valve plate 4, second connecting pipe 6 and fixed lid 13, connecting block 3 has all been welded in the one end outside that first connecting pipe 2 and second connecting pipe 6 are relative, first connecting pipe 2 and second connecting pipe 6 all have welded ring flange 1 in the one end outside that deviates from connecting block 3, connecting strip 14 has all been welded in the both sides of connecting block 3, two connecting blocks 3 are connected through screw 9, and be fixed with sealed pad 15 between two connecting blocks 3, spout 8 has all been seted up to department in the middle of two corresponding one sides of connecting block 3, and spout 8's height and width all are greater than the diameter of first connecting pipe 2 and second connecting pipe 6, pass through connecting strip 14 with connecting block 3 fixed, connection between connecting block 3 has been realized, make first connecting pipe 2 and second connecting pipe 6 be linked together.

Further, valve plate 4 is located spout 8, and all be fixed with sealing washer 5 in the middle of the both ends of valve plate 4 and the bottom, and all be fixed with sealing washer 5 around the both sides of valve plate 4, and department is fixed with bearing 7 in the middle of the up end of valve plate 4, and valve plate 4 is located spout 8 in connecting block 3, and sealing washer 5 is all installed all around to the outer end of connecting block 3 and both sides simultaneously, is favorable to increasing connecting block 3 and spout 8's leakproofness.

Further, fixed lid 13 is located the upper end of two connecting blocks 3, and fixed lid 13 passes through screw 9 to be fixed on connecting block 3, and the middle department of fixed lid 13 has seted up screw 12, when needing to maintain valve plate 4 or change, can dismantle fixed lid 13, is convenient for take out valve plate 4.

Further, the lower end of the screw rod 10 is fixed on the bearing 7, the screw rod 10 is installed in the screw hole 12 in a threaded mode, the hand wheel 11 is installed on the upper end of the screw rod 10 in a threaded mode, the screw rod 10 is driven by rotating the hand wheel 11, the valve plate 4 is made to lift in the sliding groove 8, and the effect of controlling flow is achieved.

Further, the length of fixed lid 13 equals with the width of connecting block 3, and the width of fixed lid 13 equals with the thickness of two connecting blocks 3, is favorable to sealing the upper end of gate valve through fixed lid 13.

The working principle is as follows: the utility model discloses in operation, drive screw rod 10 through rotating hand wheel 11, make valve plate 4 go up and down in spout 8, realize the effect of control flow, when needing to maintain valve plate 4 or change simultaneously, can dismantle fixed lid 13 get off, be convenient for to taking out of valve plate 4. The working principle of the present invention is the above.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a soft seal gate valve, includes first connecting pipe (2), valve plate (4), second connecting pipe (6), screw rod (10) and fixed lid (13), its characterized in that: connecting block (3) have all been welded in the one end outside that first connecting pipe (2) and second connecting pipe (6) are relative, flange dish (1) has all been welded in the one end outside that first connecting pipe (2) and second connecting pipe (6) deviate from connecting block (3), connecting strip (14) have all been welded in the both sides of connecting block (3), and two connecting blocks (3) are connected through screw (9), and are fixed with sealed pad (15) between two connecting blocks (3), and spout (8) have all been seted up to department in the middle of two corresponding one side of connecting block (3), and the height and the width of spout (8) all are greater than the diameter of first connecting pipe (2) and second connecting pipe (6).

2. A soft seal gate valve as defined in claim 1, wherein: valve plate (4) are located spout (8), all be fixed with sealing washer (5) in the middle of the both ends of valve plate (4) and bottom, and all be fixed with sealing washer (5) around the both sides of valve plate (4), department is fixed with bearing (7) in the middle of the up end of valve plate (4).

3. A soft seal gate valve as defined in claim 1, wherein: the fixing cover (13) is positioned at the upper ends of the two connecting blocks (3), the fixing cover (13) is fixed on the connecting blocks (3) through screws (9), and a screw hole (12) is formed in the middle of the fixing cover (13).

4. A soft seal gate valve as defined in claim 1, wherein: the lower end of the screw rod (10) is fixed on the bearing (7), the screw rod (10) is installed in the screw hole (12) in a threaded mode, and the hand wheel (11) is installed on the upper end of the screw rod (10) in a threaded mode.

5. A soft seal gate valve as defined in claim 1, wherein: the length of the fixed cover (13) is equal to the width of the connecting blocks (3), and the width of the fixed cover (13) is equal to the thickness of the two connecting blocks (3).