CN210623731U - Grooved sealing rubber ring for valve shaft - Google Patents
Grooved sealing rubber ring for valve shaft Download PDFInfo
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- CN210623731U CN210623731U CN201921707635.XU CN201921707635U CN210623731U CN 210623731 U CN210623731 U CN 210623731U CN 201921707635 U CN201921707635 U CN 201921707635U CN 210623731 U CN210623731 U CN 210623731U
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- rubber ring
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Abstract
The utility model discloses a grooved sealing rubber ring for a valve shaft, which belongs to the technical field of valve sealing, and comprises a valve shaft, a main pipeline, a first pipeline, a second pipeline and a main sealing rubber ring, wherein a nut is arranged between the main pipeline and the second pipeline, a baffle ring is fixedly connected at the position of the second pipeline close to the orifice of the first pipeline, an auxiliary sealing rubber ring is also sleeved at the outer end of the first pipeline, the auxiliary sealing rubber ring is tightly attached to the left end of the main sealing rubber ring, a fixed positioning ring and a movable positioning ring are also sleeved at the outer end of the first pipeline, and the fixed positioning ring and the movable positioning ring are respectively positioned on the left side of the auxiliary sealing rubber ring and the right side of the main sealing rubber ring, can utilize the deformation of supplementary sealing rubber circle to block the second pipeline when main sealing rubber circle is ageing, operating personnel is difficult to remove the second pipeline to can learn the ageing condition that leads to liquid leakage of main sealing rubber circle.
Description
Technical Field
The utility model relates to a valve seal technical field, more specifically say, relate to a grooved seal rubber circle for valve shaft.
Background
The valve is a control part in a fluid conveying system and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like. Valves used in fluid control systems range in variety and size from the simplest shut-off valves to the variety of valves used in extremely complex autonomous systems.
The valve and the pipeline connection used at present are all of one specification, when meeting different specifications of pipelines or needing to change another specification of pipelines, the valve needs to be changed, so the situation is troublesome, China patent application No. CN201720503060.4 proposes a valve of two specifications, which comprises a main structure and a connecting mechanism, wherein the main structure comprises a valve shaft, a valve rod, a longitudinal pipe and a main pipeline, the connecting mechanism comprises a first pipeline, a second pipeline, a nut and a sealing rubber ring, the valve rod of the main structure is welded with the top end of the valve shaft, the valve shaft is embedded in the longitudinal pipe, the bottom end of the longitudinal pipe is welded with the main pipeline, two ends of the longitudinal pipe of the main structure are respectively welded with one end of the second pipeline, the second pipeline is provided with the nut, the nut is in threaded connection with the second pipeline, the outer diameter of the end part of the other end of the second pipeline is larger than the outer diameter of one end, the inner side surface of the first pipeline is provided with a blocking part, the other end of the second pipeline is nested in the first pipeline, the first pipeline moves back and forth along the second pipeline, and the second pipeline is provided with a sealing rubber ring.
But the sealing rubber circle in the current valve pipeline can age after using a period of time, to above-mentioned valve, the operation of changing the pipeline more can accelerate the ageing of sealing rubber circle, but the sealing rubber circle is ageing to be difficult to be observed by operating personnel naked eye, and operating personnel only changes the pipeline and neglects the change of sealing rubber circle, and ageing sealing rubber circle seals the effect and worsens, causes the liquid leakage in the pipeline easily.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved
To the problem that exists among the prior art, the utility model aims to provide a grooved seal rubber circle for valve shaft, it can utilize supplementary seal rubber circle deformation to block the second pipeline when main seal rubber circle is ageing, and operating personnel is difficult to remove the second pipeline to can learn the ageing condition that leads to liquid leakage of main seal rubber circle.
2. Technical scheme
In order to solve the above problems, the utility model adopts the following technical proposal.
A grooved sealing rubber ring for a valve shaft comprises the valve shaft, a main pipeline, a first pipeline, a second pipeline and a main sealing rubber ring, wherein the valve shaft is connected to the upper end of the main pipeline, the first pipeline is sleeved at the inner end of the main pipeline, the end part of the first pipeline is sleeved at the inner end of the second pipeline, the main sealing rubber ring is positioned at the inner side of the second pipeline and sleeved at the outer end of the first pipeline, a nut is arranged between the main pipeline and the second pipeline, the nut is in threaded connection with the outer end of the first pipeline, a baffle ring is fixedly connected at the position, close to the pipe orifice of the first pipeline, of the second pipeline, an auxiliary sealing rubber ring is further sleeved at the outer end of the first pipeline, the auxiliary sealing rubber ring is tightly attached to the left end of the main sealing rubber ring, a fixed positioning ring and a movable positioning ring are further sleeved at the outer end of the first pipeline, and the fixed positioning ring and the movable positioning ring are, the fixed positioning ring is fixedly connected with the first pipeline, the movable positioning ring is in threaded connection with the first pipeline, the second pipeline can be clamped by deformation of the auxiliary sealing rubber ring when the main sealing rubber ring is aged, and an operator can difficultly move the second pipeline, so that the condition that the liquid leaks due to aging of the main sealing rubber ring can be known.
Furthermore, an annular groove is formed in the auxiliary sealing rubber ring, the annular groove is located in the middle of the auxiliary sealing rubber ring, when liquid leaks due to aging of the main sealing rubber ring, the leaked liquid contacts the auxiliary sealing rubber ring, the auxiliary sealing rubber ring is water-swelling rubber, most of the leaked liquid is water, the auxiliary sealing rubber ring swells when encountering water to clamp the second pipeline, and an operator can hardly move the second pipeline, so that the condition of liquid leakage due to aging of the main sealing rubber ring can be known; at the moment, an operator needs to push the second pipeline with force to enable the end part of the first pipeline where the auxiliary sealing rubber ring is located to be exposed, the annular ring with strong water absorption is sleeved in the annular groove in the auxiliary sealing rubber ring, and water in the auxiliary sealing rubber ring is absorbed and removed to enable the auxiliary sealing rubber ring to recover deformation; the annular groove is convenient for the stable cover of the ring-shaped object with stronger water absorption on the auxiliary sealing rubber ring, and on the other hand, the contact area of the ring-shaped object with stronger water absorption and the auxiliary sealing rubber ring is increased, and the water absorption rate is improved.
Furthermore, a screw hole is drilled in the movable positioning ring, a fastening screw is connected to the screw hole through threads, and after the sealing rubber ring is installed, the fastening screw is screwed down, so that the movable positioning ring is not prone to displacement, and the main sealing rubber ring and the auxiliary sealing rubber ring are guaranteed to be tightly attached to each other.
Furthermore, the surfaces of the main sealing rubber ring and the auxiliary sealing rubber ring, which are positioned on the first pipeline, are smooth surfaces which are subjected to polishing treatment, so that the sealing performance of the main sealing rubber ring and the auxiliary sealing rubber ring is enhanced.
Furthermore, the outer diameters of the fixed positioning ring and the movable positioning ring are smaller than the outer diameters of the main sealing rubber ring and the auxiliary sealing rubber ring, so that the fixed positioning ring and the movable positioning ring are prevented from contacting the inner wall of the second pipeline and damaging the inner wall of the second pipeline.
3. Advantageous effects
Compared with the prior art, the utility model has the advantages of:
(1) this scheme can utilize auxiliary seal rubber circle deformation to block the second pipeline when main seal rubber circle is ageing, and operating personnel is difficult to remove the second pipeline to can learn the ageing condition that leads to liquid leakage of main seal rubber circle.
(2) The auxiliary sealing rubber ring is provided with an annular groove, the annular groove is located in the middle of the auxiliary sealing rubber ring, on one hand, the annular groove is convenient for the water absorption of the stronger annular object to stably sleeve on the auxiliary sealing rubber ring, on the other hand, the contact area of the water absorption of the stronger annular object and the auxiliary sealing rubber ring is increased, and the water absorption rate is improved.
(3) The screw hole is dug on the movable positioning ring, and threaded connection has fastening screw in the screw hole, and after the sealing rubber ring is installed, fastening screw is screwed down, so that the movable positioning ring is not easy to displace, and the main sealing rubber ring and the auxiliary sealing rubber ring are ensured to be tightly attached to each other.
(4) The surfaces of the main sealing rubber ring and the auxiliary sealing rubber ring, which are positioned on the first pipeline, are smooth surfaces which are subjected to polishing treatment, so that the sealing performance of the main sealing rubber ring and the auxiliary sealing rubber ring is enhanced.
(5) The surfaces of the main sealing rubber ring and the auxiliary sealing rubber ring, which are positioned on the first pipeline, are smooth surfaces which are subjected to polishing treatment, so that the sealing performance of the main sealing rubber ring and the auxiliary sealing rubber ring is enhanced.
Drawings
FIG. 1 is a perspective view of the present invention with a partial cut-away;
FIG. 2 is a schematic view of the structure at A in FIG. 1;
fig. 3 is a schematic top view of the present invention;
fig. 4 is a schematic structural diagram at B in fig. 3.
The reference numbers in the figures illustrate:
the valve shaft 1, the main pipeline 2, the first pipeline 3, the second pipeline 4, the nut 5, the baffle ring 6, the main sealing rubber ring 7, the auxiliary sealing rubber ring 8, the annular groove 9, the movable positioning ring 10, the immovable positioning ring 11 and the fastening screw 12.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", 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 referred to 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 should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are used in a broad sense, and for example, "connected," may be fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediate medium, or connected between two elements.
Example 1:
referring to fig. 1 and 3, a grooved seal rubber ring for a valve shaft includes a valve shaft 1, a main pipe 2, a first pipe 3, a second pipe 4 and a main seal rubber ring 7, the valve shaft 1 is connected to the upper end of the main pipe 2, the first pipe 3 is sleeved at the inner end of the main pipe 2, the end of the first pipe 3 is sleeved at the inner end of the second pipe 4, the main seal rubber ring 7 is positioned at the inner side of the second pipe 4 and sleeved at the outer end of the first pipe 3, a nut 5 is arranged between the main pipe 2 and the second pipe 4, the nut 5 is in threaded connection with the outer end of the first pipe 3, and a baffle ring 6 is fixedly connected to the second pipe 4 near the pipe orifice of the first pipe 3;
please refer to fig. 2 and 4, the outer end of the first pipe 3 is further sleeved with an auxiliary sealing rubber ring 8, the auxiliary sealing rubber ring 8 is tightly attached to the left end of the main sealing rubber ring 7, the outer end of the first pipe 3 is further sleeved with an immovable positioning ring 11 and a movable positioning ring 10, the immovable positioning ring 11 and the movable positioning ring 10 are respectively located on the left side of the auxiliary sealing rubber ring 8 and the right side of the main sealing rubber ring 7, the immovable positioning ring 11 is fixedly connected with the first pipe 3, the movable positioning ring 10 is in threaded connection with the first pipe 3, when the main sealing rubber ring 7 is aged, the auxiliary sealing rubber ring 8 is deformed to clamp the second pipe 4, and an operator is difficult to move the second pipe 4, so that the condition of liquid leakage caused by the aging of the main sealing rubber ring 7 can be known.
Referring to fig. 2 and 4, an annular groove 9 is cut on the auxiliary sealing rubber ring 8, the annular groove 9 is located in the middle of the auxiliary sealing rubber ring 8, when the main sealing rubber ring 7 is aged to cause liquid leakage, the leaked liquid contacts the auxiliary sealing rubber ring 8, the auxiliary sealing rubber ring 8 is water-swelling rubber, the leaked liquid is mostly water, the auxiliary sealing rubber ring 8 swells with water to clamp the second pipe 4, and an operator is difficult to move the second pipe 4, so that the condition of liquid leakage caused by aging of the main sealing rubber ring 7 can be known; at the moment, an operator needs to push the second pipeline 4 with force, so that the end part of the first pipeline 3 where the auxiliary sealing rubber ring 8 is located is exposed, an annular object with strong water absorption is sleeved in the annular groove 9 on the auxiliary sealing rubber ring 8, and water in the auxiliary sealing rubber ring 8 is absorbed and removed to restore the deformation of the auxiliary sealing rubber ring; the setting of ring channel 9 is convenient for absorb water stronger ring on the one hand and is stabilized the cover on supplementary sealing rubber circle 8, and on the other hand has still increased the area of contact of absorbing water stronger ring and supplementary sealing rubber circle 8, improves the speed of absorbing water.
Referring to fig. 4, a screw hole is drilled on the movable positioning ring 10, and a fastening screw 12 is screwed in the screw hole, after the sealing rubber ring is installed, the fastening screw 12 is screwed down, so that the movable positioning ring 10 is not easy to displace, and the main sealing rubber ring 7 and the auxiliary sealing rubber ring 8 are ensured to be tightly attached to each other.
The surfaces of the main sealing rubber ring 7 and the auxiliary sealing rubber ring 8, which are positioned on the first pipeline 3, are smooth surfaces which are subjected to polishing treatment, so that the sealing performance of the main sealing rubber ring 7 and the auxiliary sealing rubber ring 8 is enhanced.
The outer diameters of the fixed positioning ring 11 and the movable positioning ring 10 are smaller than the outer diameters of the main sealing rubber ring 7 and the auxiliary sealing rubber ring 8, so that the fixed positioning ring 11 and the movable positioning ring 10 are prevented from contacting the inner wall of the second pipeline 4 and damaging the inner wall of the second pipeline 4.
After the sealing rubber ring is installed, the fastening screw 12 is screwed down, so that the movable positioning ring 10 is not easy to displace, and the fixed movable positioning ring 10 and the fixed positioning ring 11 jointly ensure that the main sealing rubber ring 7 and the auxiliary sealing rubber ring 8 are tightly attached to each other; when the main sealing rubber ring 7 is aged to cause liquid leakage, the leaked liquid contacts the auxiliary sealing rubber ring 8, the auxiliary sealing rubber ring 8 is made of water-swelling rubber, the leaked liquid is mostly water, the auxiliary sealing rubber ring 8 swells with water to clamp the second pipeline 4, and an operator cannot move the second pipeline 4 easily, so that the condition of liquid leakage caused by aging of the main sealing rubber ring 7 can be known; at this moment, the operator needs to push the second pipeline 4 with force, so that the end part of the first pipeline 3 where the auxiliary sealing rubber ring 8 is located is exposed, the main sealing rubber ring 7 is replaced, the annular ring 9 which is higher in water absorption is sleeved in the annular groove 9 of the auxiliary sealing rubber ring 8, and water in the auxiliary sealing rubber ring 8 is absorbed, so that the auxiliary sealing rubber ring is deformed again and can be continuously used.
The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.
Claims (5)
1. The utility model provides a trough of belt sealing rubber circle for valve shaft, includes valve shaft (1), trunk line (2), first pipeline (3), second pipeline (4) and main sealing rubber circle (7), valve shaft (1) is connected in trunk line (2) upper end, first pipeline (3) cup joint in trunk line (2) inner, first pipeline (3) tip cup joints in second pipeline (4) inner, main sealing rubber circle (7) are located second pipeline (4) inboard and cup joint in first pipeline (3) outer end, its characterized in that: a nut (5) is arranged between the main pipeline (2) and the second pipeline (4), the nut (5) is in threaded connection with the outer end of the first pipeline (3), the second pipeline (4) is fixedly connected with a baffle ring (6) close to the pipe orifice of the first pipeline (3), the outer end of the first pipeline (3) is also sleeved with an auxiliary sealing rubber ring (8), the auxiliary sealing rubber ring (8) is tightly attached to the left end of the main sealing rubber ring (7), the outer end of the first pipeline (3) is also sleeved with a fixed positioning ring (11) and a movable positioning ring (10), and the fixed positioning ring (11) and the movable positioning ring (10) are respectively positioned at the left side of the auxiliary sealing rubber ring (8) and the right side of the main sealing rubber ring (7), the fixed positioning ring (11) is fixedly connected with the first pipeline (3), and the movable positioning ring (10) is in threaded connection with the first pipeline (3).
2. The grooved seal rubber ring for the valve shaft according to claim 1, wherein: an annular groove (9) is formed in the auxiliary sealing rubber ring (8), and the annular groove (9) is located in the middle of the auxiliary sealing rubber ring (8).
3. The grooved seal rubber ring for the valve shaft according to claim 1, wherein: screw holes are drilled on the movable positioning rings (10), and fastening screws (12) are connected in the screw holes in a threaded mode.
4. The grooved seal rubber ring for the valve shaft according to claim 1, wherein: the surfaces of the main sealing rubber ring (7) and the auxiliary sealing rubber ring (8) which are positioned on the first pipeline (3) are both connected with polishing layers.
5. The grooved seal rubber ring for the valve shaft according to claim 1, wherein: the outer diameters of the fixed positioning ring (11) and the movable positioning ring (10) are smaller than the outer diameters of the main sealing rubber ring (7) and the auxiliary sealing rubber ring (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921707635.XU CN210623731U (en) | 2019-10-13 | 2019-10-13 | Grooved sealing rubber ring for valve shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921707635.XU CN210623731U (en) | 2019-10-13 | 2019-10-13 | Grooved sealing rubber ring for valve shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210623731U true CN210623731U (en) | 2020-05-26 |
Family
ID=70755769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921707635.XU Expired - Fee Related CN210623731U (en) | 2019-10-13 | 2019-10-13 | Grooved sealing rubber ring for valve shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210623731U (en) |
-
2019
- 2019-10-13 CN CN201921707635.XU patent/CN210623731U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200526 Termination date: 20201013 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |