Valve body sealing device

Abstract

The utility model relates to the technical field of valve body sealing, in particular to a valve body sealing device which comprises a sealing cylinder, a convex ring is arranged at one end of the sealing cylinder, a sealing gasket is sleeved outside the convex ring, an avoiding hole is formed in the sealing gasket, a groove is formed in one end, far away from the convex ring, of the sealing cylinder, and a sealing lantern ring is sleeved on the groove. A movable ring is arranged in the sealing cylinder in a sliding mode, and a filter screen used for filtering water flow is arranged on the movable ring. Therefore, the sealing effect at the position of the valve and the connecting piece can be improved, disassembly, assembly and replacement are convenient, passing water flow can be filtered again, and large-particle impurities are prevented from entering the valve to cause damage to the valve.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve body sealing technical field especially relates to a valve body sealing device. BACKGROUND

[0002] When connecting the valve body and the connecting piece (usually a pipeline), a sealing device is usually needed between the valve body and the connecting piece to prevent water leakage at the connection between the valve body and the connecting piece (for example, when installing the control valve body of a concealed bathroom shower on the wall surface, the connecting nut on the control valve body needs to be connected with the embedded part).

[0003] At present, the existing sealing device, for example, the Chinese patent with publication number CN221525683U discloses a bathroom water outlet valve body pressure-resistant and wear-resistant sealing element, which comprises a sealing ring, a lifting cylinder, a stop plate, a first connecting rod, and a second connecting rod. A lifting groove is formed in the sealing sleeve. The sealing ring and the lifting cylinder are slidably connected to the inner side wall of the lifting groove. The lower surface of the sealing ring is rotatably connected to the lifting cylinder through a bearing. Four connecting rod grooves are formed in the side wall of the lifting cylinder. The first connecting rod is rotatably connected to the inner side wall of each connecting rod groove through a pin shaft. The first connecting rod extends through the connecting rod hole to the outside of the sealing sleeve. The stop plate is rotatably connected to the end of each first connecting rod away from the connecting rod groove through a pin shaft. The four stop plates are in contact with the inner side wall of the sealing rubber ring. The sealing rubber ring is tightly pressed against the inner wall of the bathroom water valve pipe through the pressing assembly, and the sealing effect is better. However, the structure is relatively complex, the production cost is high, and the sealing device is not easy to replace and disassemble.

[0004] How to improve the sealing effect at the valve and the connecting piece, facilitate disassembly and replacement, and filter the water flow again to prevent large particles from entering the valve interior and causing valve damage has become a technical problem that needs to be solved.

[0005] As can be seen from the above, the prior art has obvious inconvenience and defects in actual use, so it is necessary to improve it. UTILITY MODEL CONTENTS

[0006] In view of the above-mentioned defects, the utility model aims to provide a valve body sealing device which can improve the sealing effect at the valve and the connecting piece, facilitate disassembly and replacement, and filter the water flow again to prevent large particles from entering the valve interior and causing valve damage.

[0007] In order to achieve the above-mentioned purpose, the utility model provides a valve body sealing device, which comprises a sealing cylinder. One end of the sealing cylinder is provided with a convex ring. The outer part of the convex ring is provided with a sealing gasket. The sealing gasket is provided with an avoiding hole. The end of the sealing cylinder away from the convex ring is provided with a groove. The groove is provided with a sealing sleeve ring.

[0008] The interior of the sealing cylinder is slidably provided with a movable ring, and a filter screen for filtering water flow is arranged on the movable ring.

[0009] According to the valve body sealing device, the hole diameter of the avoiding hole is smaller than the hole diameter of the sealing cylinder.

[0010] According to the valve body sealing device, the outer periphery of the movable ring is provided with a plurality of sliding blocks, and the inner wall of the sealing cylinder is provided with a plurality of sliding grooves matched with the sliding blocks, and one end of the movable ring close to the sealing gasket abuts against the sealing gasket.

[0011] According to the valve body sealing device, the sealing gasket is provided with a matched groove matched with the sealing cylinder, the inside of the matched groove is provided with an avoiding space matched with the convex ring, one end of the sealing cylinder with the convex ring is inserted into the matched groove, the convex ring is inserted into the avoiding space after expanding the matched groove, and the sealing gasket is connected to the sealing cylinder.

[0012] According to the valve body sealing device, the sealing sleeve ring is provided with a hollow groove matched with the sealing cylinder, one end of the sealing cylinder with the groove is inserted into the hollow groove, and the sealing cylinder expands the hollow groove, so that the sealing sleeve ring is connected to the groove of the sealing cylinder.

[0013] According to the valve body sealing device, the sealing gasket and the sealing sleeve ring both have deformation ability.

[0014] The valve body sealing device can improve the sealing effect of the valve and the connecting piece, facilitate disassembly, assembly and replacement of the sealing gasket and the sealing sleeve ring when the sealing gasket and the sealing sleeve ring fail, and can filter the water flow again to prevent large particles from entering the valve and causing damage to the valve. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a structure diagram when the utility model is installed.

[0016] Fig. 2 It is an explosion diagram of the utility model.

[0017] Fig. 3 It is an explosion diagram of the sliding block.

[0018] In the figure: 1-sealing cylinder, 11-convex ring, 12-groove, 13-sliding slot, 2-sealing gasket, 21-matching groove, 3-sealing sleeve ring, 31-hollow groove, 4-moving ring, 41-filter screen, 42-sliding block, 5-connector. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical scheme and advantages of the utility model more clear, the utility model is further described in detail below in combination with the drawings. It should be understood that the specific embodiments described herein are only used to explain the utility model, and are not used to limit the utility model.

[0020] In the description of the utility model, it should be pointed out that the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like indicate the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0021] In the description of the utility model, it should be pointed out that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be broadly understood, for example, "connected" can be fixedly connected, can be detachably connected, or integrally connected, can be mechanically connected, can be electrically connected, can be directly connected, can be indirectly connected through an intermediate medium, can be connected between two elements, and the specific meaning of the above terms in the utility model can be understood according to the specific circumstances by those skilled in the art.

[0022] Reference Figs. 1-3The utility model provides a valve body sealing device, including sealing cylinder 1, sealing cylinder 1 can be inserted the inside of connecting piece 5, connecting piece 5 is concealed shower fixed on the preformed part of wall surface, when connecting, need utilize the connecting nut (not drawn in the drawing, this is the mature prior art of the prior art in this field, here no longer repeat) of shower valve, connect on connecting piece 5, if necessary need the thread outside winding raw material band of connecting piece 5 and connecting nut cooperation, to promote the sealing property, one end of sealing cylinder 1 is equipped with the convex ring 11, the outside of convex ring 11 is equipped with sealing washer 2, sealing washer 2 has the avoidance hole that can allow water flow to pass, the aperture of avoidance hole is less than the aperture of sealing cylinder 1, sealing washer 2 has certain deformation ability, sealing washer 2 is equipped with the cooperation groove 21 of cooperation with sealing cylinder 1, the inside of cooperation groove 21 is equipped with the avoidance space of cooperation with convex ring 11, the one end of sealing cylinder 1 with convex ring 11 is inserted cooperation groove 21, and convex ring 11 first props open cooperation groove 21 one end close to sealing cylinder 1, then is inserted in avoidance space, so that sealing washer 2 can be tightly sleeved on sealing cylinder 1, the one end of sealing cylinder 1 away from convex ring 11 is equipped with recess 12, recess 12 is equipped with sealing sleeve ring 3, sealing sleeve ring 3 has certain deformation ability, sealing sleeve ring 3 is equipped with the hollow groove 31 of cooperation with sealing cylinder 1, the one end of sealing cylinder 1 with recess 12 is inserted hollow groove 31, and sealing cylinder 1 first props open hollow groove 31, then so that sealing sleeve ring 3 can be tightly sleeved at recess 12 of sealing cylinder 1, when sealing cylinder 1 is inserted the inside of connecting piece 5, sealing sleeve ring 3 can promote the sealing property between sealing cylinder 1 and connecting piece 5.

[0023] Referring to Figs. 1-3 Preferably, sealing washer 2 and sealing sleeve ring 3 are both deformable structures made of rubber material, to improve the sealing property.

[0024] Referring to Figs. 1-3 The inside of sealing cylinder 1 is slidably provided with a movable ring 4, the movable ring 4 is provided with a filter screen 41 for filtering water flow, the filter screen 41 can filter the water flow again to prevent large particles from entering the valve and causing damage to the valve, the outer periphery of the movable ring 4 is provided with a plurality of sliding blocks 42, the inner wall of the sealing cylinder 1 is provided with a plurality of sliding grooves 13 matched with the sliding blocks 42, and the end of the movable ring 4 close to the sealing washer 2 abuts against the sealing washer 2; the sliding blocks 42 are aligned with the sliding grooves 13, then the movable ring 4 is inserted into the sealing cylinder 1 from the end close to the convex ring 11, finally the sealing washer 2 is sleeved on the sealing cylinder 1, and the movable ring 4 abuts against the sealing washer 2, so that the movable ring 4 can be prevented from falling off.

[0025] Referring to Figs. 1-3When in use, the movable ring 4 is connected to the sealing cylinder 1, the sealing gasket 2 and the sealing sleeve ring 3 are installed on the sealing cylinder 1, the end of the sealing cylinder 1 with the sealing sleeve ring 3 is inserted into the water outlet hole of the connecting piece 5, the connecting nut at the shower valve is connected to the connecting piece 5, and the installation is completed.

[0026] The utility model provides a valve body sealing device, including sealing cylinder, sealing cylinder and sealing gasket, sealing sleeve ring intercoordination, can promote the sealing effect at valve and connecting piece, and when sealing gasket and sealing sleeve ring fail, facilitate the dismounting and replacement of sealing gasket and sealing sleeve ring, the inside sliding of sealing cylinder is equipped with movable ring, be equipped with filter screen on movable ring, can carry out the filtration again to the water flow that passes, prevent the larger particle impurity and enter valve inside, cause valve damage.

[0027] Of course, the utility model also can have other multiple embodiments, under not departing from the utility model spirit and its essence, the skilled person of the technical field can make various corresponding changes and deformation according to the utility model, but these corresponding changes and deformation all should belong to the protection range of the right claim of the utility model attached.

Claims

1. A valve body seal apparatus, characterized by, The utility model provides sealing tube, one end of sealing tube is equipped with convex ring, the outside of convex ring is equipped with sealing gasket, is equipped with the hole of giving space on sealing gasket, the end of sealing tube away from convex ring is equipped with recess, is equipped with sealing sleeve ring on recess, The interior of sealing tube is equipped with movable ring and is equipped with filter screen for filtering water flow on movable ring.

2. The valve body sealing apparatus of claim 1, wherein, The aperture of hole of giving space is less than the aperture of sealing tube.

3. The valve body sealing apparatus of claim 2, wherein, The outer periphery of movable ring is equipped with a plurality of sliding blocks, and the inner wall of sealing tube is equipped with a plurality of sliding grooves matched with the sliding blocks, and one end of movable ring close to sealing gasket abuts against sealing gasket.

4. The valve body sealing apparatus of claim 1, wherein, Sealing gasket is equipped with matched groove matched with sealing tube, and matched groove is equipped with giving space matched with convex ring in the inside, and one end of sealing tube with convex ring is inserted into matched groove, and convex ring is inserted into giving space after striding matched groove, so that sealing gasket is connected to sealing tube.

5. The valve body sealing apparatus of claim 1, wherein, Sealing sleeve ring is equipped with hollow groove matched with sealing tube on it, and one end of sealing tube with recess is inserted into hollow groove, and sealing tube strides hollow groove, so that sealing sleeve ring is connected to recess of sealing tube.

6. The valve body sealing apparatus of claim 1, wherein, Sealing gasket and sealing sleeve ring all have deformation ability.

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