CN211009943U - Soft sealing gate valve - Google Patents

Abstract

The utility model discloses a soft seal gate valve relates to the gate valve field, this soft seal gate valve, including valve body, top cap, valve rod, sealing member and hand wheel, the one end of valve rod runs through sealing member and top cap in proper order and extends to the inside of valve body, the case has been cup jointed through the screw thread activity in the surface of valve rod, the top of case is provided with the connecting plate, the surface at the valve rod is cup jointed in the connecting plate activity, the vertical guide bar that is provided with in top cap inner wall's top, the equal vertical guiding hole that runs through that is provided with of position department under connecting plate and the case correspond the guide bar, the fixed cover in surface of case has been cup jointed the rubber valve cap, the bottom of rubber valve cap is the opening, case and rubber valve cap all with the inner wall swing joint. The utility model discloses a set up connecting plate, guide bar, guiding hole, rubber valve cap, flange and removable pin, it can have the leakproofness poor to have solved ordinary soft sealing gate valve when using, and elasticity is tired, easily drops and rusty problem.

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 sealing gate valve is an industrial valve, the movement direction of an opening and closing piece is perpendicular to the direction of fluid, the soft sealing gate valve is fixedly connected with a pipeline through a flange structure, a medium flow opening is formed in the gate valve, and the pipelines at two ends are communicated through the medium flow opening.

The sealing performance and elasticity of the soft sealing gate valve determine the service life and quality of the soft sealing gate valve when the soft sealing gate valve is used, the common soft sealing gate valve has the conditions of poor sealing performance, elasticity fatigue, easy falling, rusting and the like when the common soft sealing gate valve is used, and the soft sealing gate valve is provided for prolonging the service life of the soft sealing gate valve.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a soft sealing gate valve has solved ordinary soft sealing gate valve and can have the leakproofness poor when using, and elasticity is tired, easily drops and rusty problem.

(II) technical scheme

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 valve body, top cap, valve rod, sealing member and hand wheel, the one end of valve rod runs through sealing member and top cap in proper order and extends to the inside of valve body, the case has been cup jointed through the screw thread activity in the surface of valve rod, the top of case is provided with the connecting plate, the surface at the valve rod is cup jointed in the connecting plate activity, the vertical guide bar that is provided with in top cap inner wall's top, the equal vertical guiding hole that runs through that is provided with of position department under connecting plate and the case correspond the guide bar, the fixed cover in surface of case has the rubber valve cap, the bottom of rubber valve cap is the opening, case and rubber valve cap all with the inner wall swing joint of valve body, the rubber valve cap is located the medium stream opening.

Preferably, the lower half part of the rubber valve cap is trapezoidal, and the shape of the inner wall of the valve body is matched with the shape of the lower half part of the rubber valve cap.

Preferably, the upper half part of the rubber valve cap is in an inverted T shape, a flange is arranged on the inner wall of the valve body corresponding to the upper half part of the rubber valve cap, and the inner wall of the valve body is matched with the upper half part of the rubber valve cap through the flange.

Preferably, the top of rubber valve cap sets to curved R angle structure, the inside of the R angle structure edge embedding case of rubber valve cap, and case correspond rubber valve cap top R angle structure position department and rotate and be connected with the removable pin, the removable pin joint is between case and rubber valve cap.

Preferably, the number of guide rods is two, and two sets of guide rods are evenly distributed on two sides of the valve rod, and the guide rods are located right above the guide holes of the connecting plate.

(III) advantageous effects

The utility model provides a soft sealing gate valve possesses following beneficial effect:

the utility model improves the moving stability of the rubber valve cap and the valve core by arranging the connecting plate, the guide rod, the guide hole, the rubber valve cap, the flange and the movable pin and inserting the guide rod into the guide hole, can reduce abrasion, ensure the elasticity of the rubber valve cap, prolong the service life and improve the sealing reliability, the anti-falling performance of the rubber valve cap is improved by embedding the edges of the R angle structure and the R angle structure into the valve core, the rubber valve cap is tightly attached to the valve body, can prevent the medium from leaking above the rubber valve cap, and has certain protection and corrosion prevention functions on the guide rod, the valve rod and the connecting plate, can guarantee the leakproofness of medium circulation mouth through the specific shape of rubber valve cap, reach and improve whole life, sealed reliable purpose has solved ordinary soft sealing gate valve and can have the leakproofness poor when using, and elasticity is tired, easily drops and rusty problem.

Drawings

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

fig. 2 is a sectional view of the valve rod of the present invention.

In the figure: 1. a valve body; 2. a top cover; 3. a valve stem; 4. a seal member; 5. a hand wheel; 6. a valve core; 7. a connecting plate; 8. a guide bar; 9. a guide hole; 10. a rubber valve cap; 11. a flange; 12. and a movable pin.

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.

As shown in fig. 1-2, the utility model provides a technical solution: the utility model provides a soft sealing gate valve, which comprises a valve body 1, top cap 2, valve rod 3, sealing member 4 and hand wheel 5, the one end of valve rod 3 runs through sealing member 4 and top cap 2 in proper order and extends to the inside of valve body 1, case 6 has been cup jointed through the screw thread activity on the surface of valve rod 3, the top of case 6 is provided with connecting plate 7, the surface at valve rod 3 is cup jointed in the activity of connecting plate 7, the top of 2 inner walls of top cap is vertical to be provided with guide bar 8, the equal vertical guiding hole 9 that runs through that is provided with of position department under connecting plate 7 and the case 6 correspond guide bar 8, the fixed cover in surface of case 6 has connect rubber valve cap 10, the bottom of rubber valve cap 10 is the opening, case 6 and rubber valve cap 10 all with the inner wall swing joint of valve body 1, rubber valve cap 10 is.

As a technical optimization scheme, the lower half of rubber valve cap 10 is trapezoidal, and the shape of 1 inner wall of valve body and the shape looks adaptation of the 10 the latter half of rubber valve cap, the inner wall through the inclined plane laminating valve body 1 of side is sealed when rubber valve cap 10 moves down.

As a technical optimization scheme, the first half of rubber valve cap 10 is for invering the T shape, the first half that 1 inner wall of valve body corresponds rubber valve cap 10 is provided with flange 11, and 1 inner wall of valve body is identical with the first half of rubber valve cap 10 through flange 11, block the first half of rubber valve cap 10 through flange 11, medium circulation opening position department is sealed reliable when making 1 closed valve body, and the first half of inversing the T shape through rubber valve cap 10 is identical with the inner wall of valve body 1 and top cap 2, can reduce the medium to valve rod 3, the corruption of guide bar 8.

As a technical optimization scheme, curved R angle structure is set to the top of rubber valve cap 10, the inside of the R angle structure edge embedding case 6 of rubber valve cap 10, and case 6 corresponds rubber valve cap 10 top R angle structure position department and rotates and be connected with removable pin 12, case 6 rotates with removable pin 12 through the connecting axle and is connected, tight rubber valve cap 10 is supported to the bottom of removable pin 12, removable pin 12 joint is between case 6 and rubber valve cap 10, improve the anticreep performance of rubber valve cap 10, guarantee the fastness and the stability of rubber valve cap 10 cover on case 6 surface.

As a technical optimization scheme, the quantity of guide bar 8 is two sets of, and 8 evenly distributed of two sets of guide bar are in the both sides of valve rod 3, guide bar 8 is located connecting plate 7 guiding hole 9 directly over, valve body 1 is opened and is made the guide bar 8 insert can be to rubber valve cap 10 and case 6 direction after guiding hole 9, guarantee the stability of rubber valve cap 10 and case 6 opening motion, reduce the wearing and tearing that crooked unstability arouses, and guarantee that the atmospheric pressure that valve body 1 and 2 inside air of top cap applyed at rubber valve cap 10 and case 6 is even, make rubber valve cap 10 and case 6 atress even back coincide more with the laminating of 1 inner wall of valve body, the micro-deformation compensation effect that rubber valve cap 10 utilized self elastic material to produce coincide with the laminating of 1 inner wall of valve body, can reach good sealed effect.

When using, rotate hand wheel 5, drive the synchronous rotation of valve rod 3, the whole vertical upper reaches of valve plate that valve rod 3 passes through that surface thread drives valve core 6 and rubber valve cap 10 and constitutes, through 1 inner wall of valve body and the direction of guide bar 8, guide bar 8 inserts the guiding hole 9 that connecting plate 7 and valve core 6 correspond in proper order when the whole vertical upper reaches of valve plate, can open the medium circulation mouth of valve body 1, when closing the medium circulation mouth of valve body 1, reverse rotation hand wheel 5 can.

To sum up can, the utility model discloses a set up connecting plate 7, guide bar 8, guiding hole 9, rubber valve cap 10, flange 11 and removable pin 12, it is poor that there can be the leakproofness when using to have solved ordinary soft seal gate valve, and elasticity is tired, easily drops off and rusty problem.

It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a soft sealing gate valve, includes valve body (1), top cap (2), valve rod (3), sealing member (4) and hand wheel (5), the inside that sealing member (4) and top cap (2) and extend to valve body (1) is run through in proper order to the one end of valve rod (3), its characterized in that: case (6) have been cup jointed through the screw thread activity on the surface of valve rod (3), the top of case (6) is provided with connecting plate (7), connecting plate (7) activity is cup jointed on the surface of valve rod (3), the vertical guide bar (8) that is provided with in top of top cap (2) inner wall, connecting plate (7) and case (6) correspond guide bar (8) under the equal vertical guiding hole (9) that are provided with of position department, the fixed cover in surface of case (6) has been met rubber valve cap (10), the bottom of rubber valve cap (10) is the opening, case (6) and rubber valve cap (10) all with the inner wall swing joint of valve body (1), rubber valve cap (10) are located the medium stream opening position department of valve body (1) inner wall.

2. A soft seal gate valve as defined in claim 1, wherein: the lower half part of rubber valve cap (10) is trapezoidal, the shape of valve body (1) inner wall and the shape looks adaptation of rubber valve cap (10) the latter half.

3. A soft seal gate valve as defined in claim 1, wherein: the first half of rubber valve cap (10) is for invering the T shape, the first half that valve body (1) inner wall corresponds rubber valve cap (10) is provided with flange (11), and valve body (1) inner wall passes through flange (11) and coincide with the first half of rubber valve cap (10).

4. A soft seal gate valve as defined in claim 1, wherein: the top of rubber valve cap (10) sets curved R angle structure to, the inside of the R angle structure edge embedding case (6) of rubber valve cap (10), and case (6) correspond rubber valve cap (10) top R angle structure position department and rotate and be connected with removable pin (12), removable pin (12) joint is between case (6) and rubber valve cap (10).

5. A soft seal gate valve as defined in claim 1, wherein: the quantity of guide bar (8) is two sets of, and two sets of guide bar (8) evenly distributed are in the both sides of valve rod (3), guide bar (8) are located connecting plate (7) guiding hole (9) directly over.

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