CN220185961U - Valve rod leakage-proof device - Google Patents

Abstract

The utility model discloses a valve rod leakage-proof device of a valve, which comprises a valve box, wherein a first connecting pipe and a second connecting pipe are respectively fixedly communicated with the left side surface and the right side surface of the valve box, bearings are fixedly embedded in the inner top wall of the valve box and the inner bottom wall of the valve box, two inner rings of the bearings are fixedly connected with two bidirectional threaded rods together, and two movable plates are connected with the outer surface of each bidirectional threaded rod in a threaded manner.

Description

Valve rod leakage-proof device

Technical Field

The utility model relates to the field of valves, in particular to a valve rod leakage-proof device of a valve.

Background

The valve is a pipeline accessory for opening and closing a pipeline, controlling flow direction, adjusting and controlling parameters of a conveying medium, can be divided into a shutoff valve, a check valve, a regulating valve and the like according to the functions of the valve, has the functions of stopping, adjusting, guiding flow, preventing backflow, stabilizing pressure, shunting or overflow pressure relief and the like, and is used for a valve of a fluid control system.

The Chinese patent with the public number of CN101629637B discloses a valve device which adopts wear-resistant materials from materials, has strong wear resistance, adopts a valve plate undercut process, namely a first wear-resistant layer is embedded in a valve plate and is fixed with the valve plate in an undercut mode, the outer end face of the first wear-resistant layer is higher than the outer end face of the valve plate, and the valve plate is separated from a glue bonding mode, so that the high temperature resistant function is realized, but because of the simple valve structure, the valve is easy to leak after being used for a long time, and therefore, the valve rod leakage-proof device solves the problems.

Disclosure of Invention

The utility model aims to provide a valve rod leakage-proof device for a valve, so as to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a valve rod leak protection device, includes the valve box, the left and right sides face of valve box is fixed intercommunication respectively has first connecting pipe and second connecting pipe, the bearing has all been fixedly inlayed to the interior roof of valve box and the interior bottom wall of valve box, two the inner circle of bearing is fixedly connected with two-way threaded rod jointly, the surface threaded connection of two-way threaded rod has two movable plates, two the equal fixedly connected with rubber pad of a side that the movable plate is close to each other, two the equal fixedly connected with rubber stopper of a side that the rubber pad is close to each other, the inner wall fixedly connected with valve baffle of valve box, the top fixedly connected with carousel of two-way threaded rod.

In a further embodiment, a plurality of sliding grooves are formed in the inner wall of the valve box, a plurality of sliding blocks are fixedly connected to the outer surfaces of the two moving plates, and each sliding groove is matched with each sliding block.

In a further embodiment, two side surfaces of the moving plates, which are close to each other, are fixedly connected with first leakage-proof gaskets, the upper surface of the valve baffle and the bottom surface of the valve baffle are provided with first grooves, and each first leakage-proof gasket is matched with each first groove.

In a further embodiment, the left end of the first connecting pipe and the right end of the second connecting pipe are fixedly connected with connecting discs, and a plurality of first mounting holes are formed in the outer surface of each connecting disc.

In a further embodiment, a second leakage preventing gasket is fixedly connected to the left side surface of one of the connecting discs, and a second groove is formed in the right side surface of the other connecting disc.

In a further embodiment, the bottom surface of the valve box is fixedly connected with two bottom plates, and a plurality of second mounting holes are formed in the bottom surfaces of the two bottom plates.

Compared with the prior art, the utility model has the beneficial effects that:

this valve rod leak protection device through two movable plates that are equipped with in the valve body, can make two rubber pads carry out the check to the device simultaneously to the upper surface and the bottom surface of valve baffle to can carry out effectual isolation to the liquid that flows in the water valve, and through the cooperation of the first leak protection gasket and the first recess that all are equipped with in two rubber pads, that seals valve baffle once more, the effectual problem that has solved because the valve structure is simple, therefore the valve takes place the phenomenon of leaking easily after carrying out long-time use.

Drawings

Fig. 1 is a schematic perspective view of a valve stem leakage preventing device.

Fig. 2 is a schematic diagram of a front sectional structure of a valve stem leakage preventing device of a valve.

Fig. 3 is an enlarged schematic view of the valve stem leakage preventing device at a in fig. 2.

Fig. 4 is a schematic view showing a valve stem leakage preventing device in a plan view.

In the figure: 1. a valve box; 2. a first connection pipe; 3. a connecting disc; 4. a turntable; 5. a bearing; 6. a second connection pipe; 7. a bottom plate; 8. a second mounting hole; 9. a first groove; 10. a rubber stopper; 11. a moving plate; 12. a two-way threaded rod; 13. a rubber pad; 14. a first leakage prevention gasket; 15. a valve baffle; 16. a slide block; 17. a chute; 18. a first mounting hole; 19. a second leakage prevention gasket; 20. and a second groove.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, in the utility model, a valve rod leakage preventing device of a valve comprises a valve box 1, a first connecting pipe 2 and a second connecting pipe 6 are fixedly communicated with the left side surface and the right side surface of the valve box 1 respectively, bearings 5 are fixedly embedded in the inner top wall of the valve box 1 and the inner bottom wall of the valve box 1, two bearings 5 are fixedly connected with two threaded rods 12 jointly, two movable plates 11 are connected on the outer surface of each threaded rod 12 in a threaded manner, rubber pads 13 are fixedly connected on one side surface of each movable plate 11, rubber plugs 10 are fixedly connected on one side surface of each rubber pad 13, valve baffles 15 are fixedly connected on the inner wall of the valve box 1, and a turntable 4 is fixedly connected on the top end of each threaded rod 12.

The inner wall of valve box 1 has seted up a plurality of spouts 17, the equal fixedly connected with of surface of two movable plates 11 a plurality of sliders 16, every spout 17 all with slider 16 looks adaptation, can make the more stable that two movable plates 11 removed, the equal fixedly connected with first leak protection gasket 14 of a side that two movable plates 11 are close to each other, first recess 9 has all been seted up to the upper surface of valve baffle 15 and the bottom surface of valve baffle 15, every first leak protection gasket 14 all with first recess 9 looks adaptation, can seal valve baffle 15 once more.

The left end of first connecting pipe 2 and the right-hand member of second connecting pipe 6 all fixedly connected with connect disc 3, a plurality of first mounting holes 18 have all been seted up to the surface of every connection disc 3, conveniently be connected with the device and the water pipe, the left surface fixedly connected with second leak protection gasket 19 of one of them connection disc 3, the second recess 20 has been seted up to the right flank of wherein another connection disc 3, the bottom surface fixedly connected with two bottom plates 7 of valve box 1, a plurality of second mounting holes 8 have all been seted up to the bottom surface of two bottom plates 7, can fix the device, the stability of device in the operation process has been guaranteed.

The working principle of the utility model is as follows:

this valve rod leakage prevention device, when using, at first remove the device to suitable position through the staff, and the cooperation of the connection disc 3 and the first mounting hole 18 that the device both ends were equipped with, install the device at the both ends of water pipe, then when needs are controlled fluid, through rotating carousel 4, make carousel 4 drive the intraductal two-way threaded rod 12 of device rotate, thereby can make two movable plates 11 of two-way threaded rod 12 surface move relatively, and through two rubber stoppers 10, can laminate closely valve baffle 15, thereby can separate the fluid, finally when needs let the fluid circulate, through staff's rotation carousel 4, with two movable plates 11 and valve baffle 15 separation can.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (6)

1. A valve stem leak protection device, its characterized in that: including valve box (1), the left and right sides face of valve box (1) is fixed intercommunication respectively has first connecting pipe (2) and second connecting pipe (6), the interior roof of valve box (1) and the interior bottom wall of valve box (1) are all fixed to be inlayed and are had bearing (5), two the inner circle of bearing (5) is two fixedly connected with two-way threaded rod (12) jointly, the surface threaded connection of two-way threaded rod (12) has two movable plates (11), two the equal fixedly connected with rubber pad (13) of a side that movable plate (11) are close to each other, two the equal fixedly connected with rubber stopper (10) of a side that rubber pad (13) are close to each other, the inner wall fixedly connected with valve baffle (15) of valve box (1), the top fixedly connected with carousel (4) of two-way threaded rod (12).

2. A valve stem leak-proof apparatus as defined in claim 1, wherein: a plurality of sliding grooves (17) are formed in the inner wall of the valve box (1), a plurality of sliding blocks (16) are fixedly connected to the outer surfaces of the two moving plates (11), and each sliding groove (17) is matched with each sliding block (16).

3. A valve stem leak-proof apparatus as defined in claim 1, wherein: two a side that movable plate (11) are close to each other all fixedly connected with first leak protection gasket (14), first recess (9) have all been seted up to the upper surface of valve baffle (15) and the bottom surface of valve baffle (15), every first leak protection gasket (14) all with first recess (9) looks adaptation.

4. A valve stem leak-proof apparatus as defined in claim 1, wherein: the left end of first connecting pipe (2) and the right-hand member of second connecting pipe (6) are all fixedly connected with connection disc (3), and a plurality of first mounting holes (18) have all been seted up to the surface of every connection disc (3).

5. A valve stem leak preventer according to claim 4 wherein: the left side face of one connecting disc (3) is fixedly connected with a second leakage-proof gasket (19), and the right side face of the other connecting disc (3) is provided with a second groove (20).

6. A valve stem leak-proof apparatus as defined in claim 1, wherein: the bottom surface fixedly connected with two bottom plates (7) of valve box (1), two a plurality of second mounting holes (8) have all been seted up to the bottom surface of bottom plate (7).