CN216201346U - Heating valve with high leakproofness - Google Patents
Heating valve with high leakproofness Download PDFInfo
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- CN216201346U CN216201346U CN202122734814.6U CN202122734814U CN216201346U CN 216201346 U CN216201346 U CN 216201346U CN 202122734814 U CN202122734814 U CN 202122734814U CN 216201346 U CN216201346 U CN 216201346U
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Abstract
A heating valve with high sealing performance comprises a valve body, a water inlet joint arranged at the lower end of the valve body and a water outlet joint arranged at the left side of the valve body, wherein a starting and closing piece matched with the valve body is arranged in the valve body; a sealing sleeve matched with the caulking groove is arranged in the caulking groove; a sealing gasket which is attached to the left end face of the water outlet joint extends outwards from the pipe orifice at the left end of the sealing sleeve, the sealing gasket and the sealing sleeve are integrally formed, and the sealing gasket and the sealing sleeve are both made of rubber materials; and an annular fixing groove is formed in the inner wall of the pipe orifice at the left end of the sealing sleeve. The heating valve with high sealing performance can effectively improve the sealing performance between the water outlet connector and the water inlet pipeline of the heating radiator, effectively avoid the water leakage condition, ensure the normal use of the heating radiator and effectively avoid potential safety hazards.
Description
Technical Field
The utility model relates to a heating valve, in particular to a heating valve with high sealing performance.
Background
The heating valve is a valve for controlling the water inlet and outlet of the heating radiator, the heating radiator is a heating device, the temperature of the hot water in the pipeline of the heating radiator is utilized to be emitted out of the pipeline to the air, the heating effect is realized, the heating valve is connected with the pipeline for supplying water by utilizing the water inlet connector of the heating valve, the heating valve is connected with the water inlet pipeline on the heating radiator by utilizing the water outlet connector of the heating valve, the heating radiator needs to open the heating valve before use, the water in the pipeline for supplying water is conveyed into the heating radiator, the air in the heating radiator can be completely extruded for use, the water outlet connector of the heating valve is connected with the water inlet pipeline of the heating radiator by threads, the sealing mode is single, under the condition that the processing precision of external threads and internal threads cannot be ensured, the sealing effect which can be realized by threaded connection is very limited, and the external threads and the internal threads can be easily abraded without being broken during threaded connection, so that a gap is easily existed between the external threads and the internal threads, be difficult to guarantee sealed effect, the condition of leaking very easily appears in the hookup location between consequently warm braw valve's water connectors and the water intake pipe of radiator, and the water of radiator is in case outwards the seepage, not only seriously influences the effect of heating of radiator, and has certain potential safety hazard.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a heating valve with high sealing performance, which can effectively improve the sealing performance between a water outlet connector and a water inlet pipeline of a heating radiator, effectively avoid the situation of water leakage, ensure the normal use of the heating radiator and effectively avoid potential safety hazards.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
the utility model discloses a heating valve with high sealing performance, which comprises a valve body, a water inlet connector arranged at the lower end of the valve body and a water outlet connector arranged at the left side of the valve body, wherein a starting and closing piece matched with the valve body is arranged in the valve body, a valve rod is arranged at the upper end of the starting and closing piece, and the upper end of the valve rod upwards penetrates out of the valve body and is provided with a hand wheel, and the heating valve is characterized in that: an annular caulking groove is formed in the port at the left end of the water outlet joint; a sealing sleeve matched with the caulking groove is arranged in the caulking groove; a sealing gasket which is attached to the left end face of the water outlet joint extends outwards from the pipe orifice at the left end of the sealing sleeve, the sealing gasket and the sealing sleeve are integrally formed, and the sealing gasket and the sealing sleeve are both made of rubber materials; the inner wall of the pipe orifice at the left end of the sealing sleeve is provided with an annular fixing groove; the left side of the sealing gasket is provided with a fixing gasket which is attached to the sealing gasket; the fixing pad is annular, and a fixing sleeve matched with the fixing groove extends rightwards from the edge of an inner hole of the fixing pad; the fixed sleeve and the sealing sleeve are fixed through a positioning structure; the inner wall of the sealing gasket is provided with an annular water storage tank; a plurality of water inlet holes which are uniformly distributed in the circumferential direction are formed in the inner wall of the fixed sleeve, and the water inlet holes are communicated with the water storage tank; the outer wall of the right part of the water outlet joint is provided with an annular sealing step; the sealing step is provided with an annular sealing groove; and an outer sealing device matched with the sealing groove is arranged in the sealing groove.
The outer sealing device comprises a sealing ring matched with the sealing groove, and the sealing ring is made of rubber; the left end of the sealing ring penetrates out of the sealing groove leftwards; the right end face of the sealing ring is provided with an annular auxiliary groove; the bottom of the auxiliary groove is provided with an extrusion ring attached to the auxiliary groove; the right end face of the extrusion ring is provided with a plurality of clamping pipes which are uniformly distributed in the circumferential direction; a supporting pipe which is attached to the inner wall of the auxiliary groove is sleeved outside the clamping pipe; the bottom of the sealing groove is provided with a plurality of limiting holes coaxial with the clamping pipe; an auxiliary spring is arranged between the bottom of the limiting hole and the right end face of the extrusion ring, and the clamping pipe is sleeved outside the left end of the auxiliary spring.
The inner wall of the left end of the sealing ring is provided with an annular pressure groove, and the width of the pressure groove gradually decreases from the groove opening to the groove bottom.
A sealing plate which is attached to the sealing step extends outwards from the outer edge of the left end of the sealing ring; a sealing ring extends leftwards from the outer edge of the sealing plate; the sealing ring, the sealing plate and the sealing ring are integrally formed, and the sealing ring and the sealing plate are made of rubber materials.
The outer wall of the sealing ring is provided with an annular fastening groove; and a snap spring matched with the fastening groove is arranged in the fastening groove.
The positioning structure comprises a plurality of positioning holes which are uniformly arranged on the sealing sleeve in a circumferential manner, and the positioning holes are communicated with the fixing grooves; the inner peripheral surface of the caulking groove is provided with an annular limiting groove, and the position of the limiting groove corresponds to the position of the positioning hole; the outer wall of the right end of the fixed sleeve is provided with a plurality of positioning rods matched with the positioning holes, and the positioning rods penetrate through the positioning holes and penetrate into the limiting grooves.
The width of the bottom of the water storage tank is gradually reduced from inside to outside.
The inner wall of the fixed sleeve, the inner wall of the sealing sleeve and the inner wall of the water outlet joint are coplanar.
The utility model has the beneficial effects that:
compared with the prior art, the heating valve with high sealing performance adopting the structure of the utility model can be additionally provided with a plurality of seals on the basis of thread sealing through the sealing gasket and the outer sealing device, effectively improves the sealing performance when the water outlet joint is in thread connection with the water inlet pipeline of the heating radiator, avoids the situation of water leakage once the thread sealing is realized, meanwhile, the sealing gasket can utilize the water storage tank to ensure that the peripheral surface of the sealing gasket is always attached to the inner wall of the water inlet pipeline of the heating radiator, the sealing effect is ensured to the maximum extent, under the condition of multi-sealing, even if one seal fails, other seals still can ensure the sealing performance between the water outlet joint and the water inlet pipeline of the heating radiator, the water leakage is avoided to the maximum extent, thereby avoid leaking the condition that influences the radiator and heat the effect and cause the accident, stop the potential safety hazard when guaranteeing the radiator result of use.
Drawings
Fig. 1 is a schematic structural view of a heating valve with high sealing performance according to the present invention;
FIG. 2 is a schematic structural diagram of a heating valve with high sealing performance in threaded connection with a water inlet pipeline of a radiator;
FIG. 3 is an enlarged view of section A of FIG. 2;
fig. 4 is an enlarged view of a portion B of fig. 2.
Detailed Description
The utility model is described in further detail below with reference to the following figures and detailed description:
referring to fig. 1 to 4, the present invention provides a heating valve with high sealing performance, which includes a valve body 1, a water inlet connector 2 disposed at the lower end of the valve body 1, and a water outlet connector 3 disposed at the left side of the valve body 1, wherein a matched opening and closing member is disposed in the valve body 1, a valve rod is disposed at the upper end of the opening and closing member, the upper end of the valve rod extends upward out of the valve body and is provided with a hand wheel 4, and a left end port of the water outlet connector 3 is provided with an annular caulking groove 5; a sealing sleeve 6 matched with the caulking groove 5 is arranged in the caulking groove; a sealing gasket 7 attached to the left end face of the water outlet connector 3 extends outwards from the left end pipe orifice of the sealing sleeve 6, the sealing gasket 7 and the sealing sleeve 6 are integrally formed, and the sealing gasket 7 and the sealing sleeve 6 are both made of rubber materials; the inner wall of the pipe orifice at the left end of the sealing sleeve 6 is provided with an annular fixing groove 8; a fixing pad 9 attached to the sealing pad 7 is arranged on the left side of the sealing pad; the fixing pad 9 is annular, and a fixing sleeve 10 matched with the fixing groove 8 extends rightwards from the edge of an inner hole of the fixing pad 9; the fixed sleeve 10 and the sealing sleeve 6 are fixed through a positioning structure; the inner wall of the sealing gasket 7 is provided with an annular water storage tank 11; a plurality of water inlet holes 12 which are uniformly distributed in the circumferential direction are formed in the inner wall of the fixed sleeve 10, and the water inlet holes 12 are communicated with the water storage tank 11; the outer wall of the right part of the water outlet joint 3 is provided with an annular sealing step 13; the sealing step 13 is provided with an annular sealing groove 14; an external sealing device matched with the sealing groove 14 is arranged in the sealing groove.
The outer sealing device comprises a sealing ring 15 matched with the sealing groove 14, and the sealing ring 15 is made of rubber; the left end of the sealing ring 15 penetrates out of the sealing groove 14 leftwards; an annular auxiliary groove 16 is formed in the right end face of the sealing ring 15; a squeezing ring 17 attached to the auxiliary groove 16 is arranged at the bottom of the auxiliary groove; the right end face of the extrusion ring 17 is provided with a plurality of clamping pipes 18 which are uniformly distributed in the circumferential direction; a supporting pipe 19 which is attached to the inner wall of the auxiliary groove 16 is sleeved outside the clamping pipe 18; a plurality of limiting holes 20 coaxial with the clamping pipe 18 are formed in the bottom of the sealing groove 14; an auxiliary spring 21 is arranged between the bottom of the limiting hole 20 and the right end face of the extrusion ring 17, and the clamping tube 18 is sleeved outside the left end of the auxiliary spring 21.
The inner wall of the left end of the sealing ring 15 is provided with an annular pressure groove 22, and the groove width of the pressure groove 22 is gradually decreased from the groove opening to the groove bottom.
A sealing plate 23 which is attached to the sealing step 13 extends outwards from the outer edge of the left end of the sealing ring 15; a sealing ring 24 extends leftwards from the outer edge of the sealing plate 23; the sealing ring 24, the sealing plate 23 and the sealing ring 15 are integrally formed, and the sealing ring 24 and the sealing plate 23 are both made of rubber.
The outer wall of the sealing ring 24 is provided with an annular fastening groove 25; a snap spring 26 matched with the fastening groove 25 is arranged in the fastening groove.
The positioning structure comprises a plurality of positioning holes 27 which are uniformly arranged on the sealing sleeve 6 in a circumferential manner, and the positioning holes 27 are communicated with the fixing groove 8; an annular limiting groove 28 is formed in the inner circumferential surface of the embedded groove 5, and the position of the limiting groove 28 corresponds to the position of the positioning hole 27; the outer wall of the right end of the fixing sleeve 10 is provided with a plurality of positioning rods 29 matched with the positioning holes 27, and the positioning rods 29 penetrate through the positioning holes 27 and penetrate into the limiting grooves 28.
The width of the bottom of the water storage tank 11 gradually decreases from inside to outside.
The inner walls of the fixed sleeve 10, the sealing sleeve 6 and the water outlet joint 3 are coplanar.
The using method of the utility model is as follows:
when the heating valve is used, the water inlet pipeline 30 of the heating radiator can be screwed outside the water outlet joint 3 of the heating valve, the right end face of the water inlet pipeline 30 is attached to the left side wall of the sealing plate 23 and the left end face of the sealing ring 15, the sealing ring 24 is wrapped outside the right end of the water inlet pipeline 30 of the heating radiator, the peripheral face of the sealing gasket 7 is attached to the inner wall of the water inlet pipeline 30 of the heating radiator, the sealing gasket 7, the sealing ring 15, the sealing plate 23 and the sealing ring 24 can form one seal, when the water outlet joint 3 is in threaded sealing with the water inlet pipeline 30 of the heating radiator, multiple seals are added, and the tightness between the water outlet joint 3 and the water inlet pipeline 30 of the heating radiator is ensured to the maximum extent.
When the heating valve is opened, water in a water supply pipeline connected with the water inlet connector 2 of the heating valve flows into the water inlet pipeline 30 of the heating radiator along the water outlet connector 3, the heating radiator is used for heating, when water flows through the water outlet connector 3, a part of water flows naturally flow into the water storage tank 11 along the water inlet hole 12 under the action of water pressure, the water pressure in the water storage tank 11 is continuously increased along with continuous flowing of subsequent water into the water storage tank 11, the pressurized water flows outwards extrude the wall of the water storage tank 11, the left end face of the sealing gasket 7 is attached to the fixing cushion 9, the right end face of the sealing gasket 7 is attached to the left end face of the water outlet connector 3, the inner wall of the sealing gasket 7 is attached to the outer wall of the fixing sleeve 10, so that only the outer peripheral face of the sealing gasket 7 is not limited by any component, when the sealing gasket 7 is outwards expanded under the action of high-pressure water flow by the water storage tank 11, sealing gasket 7 can only expand towards the outer peripheral face, and originally just the sealing gasket 7 outer peripheral face of laminating mutually with the water inlet pipe 30 inner wall of radiator then can further sticis on the water inlet pipe 30 inner wall of radiator along with the inflation of sealing gasket 7, further improve the sealed effect of sealing gasket 7, even the not good condition of elasticity appears in sealing gasket 7 long-term use, still can utilize the pressure of rivers to sticis sealing gasket 7 outer peripheral face on the water inlet pipe 30 inner wall of radiator all the time, guarantee sealing gasket 7's sealed effect all the time.
If the water flow breaks through the seal of the sealing gasket 7, the water flow can flow to the sealing ring 15 along the gap between the water outlet joint 3 and the water inlet pipeline 30 of the radiator, at the moment, the sealing ring 15 can form new seal to block the water flow, so that the water flow can not continuously flow outwards, and when the water flow breaks through the sealing ring 15, the water flow can inevitably flow into the pressure groove 22, along with the continuous flowing of the subsequent water flow into the pressure groove 22, the water pressure in the pressure groove 22 can continuously increase, the pressure groove 22 is adjacent to the left end orifice of the inner hole of the sealing ring 15, under the condition that the groove width of the pressure groove 22 gradually decreases from the notch to the groove bottom, the thickness of the left end orifice of the inner hole of the sealing ring 15 is the smallest, so that the water flow in the pressure groove 22 can be easily extruded towards the right end surface of the water inlet pipeline 30 of the radiator by utilizing the water pressure of the self to further attach the left end orifice edge of the inner hole of the sealing ring 15 to the right end surface of the water inlet pipeline 30 of the radiator, further improve the sealed effect of sealing washer 15, meanwhile, the existence of auxiliary spring 21 can guarantee that sealing washer 15 left end face laminates on the inlet channel 30 right-hand member face of radiator all the time, even sealing washer 15 appears not hard up condition because self elasticity weakening, auxiliary spring 21 then can utilize self elasticity to push up extrusion ring 17 left, then recycle extrusion ring 17 and evenly extrude sealing washer 15 left, thereby make sealing washer 15 left end face laminate on the inlet channel 30 right-hand member face of radiator all the time, guarantee sealing washer 15's sealed effect all the time.
In conclusion, the utility model can add a plurality of seals on the basis of thread sealing through the sealing gasket 7 and the outer sealing device, effectively improve the sealing performance when the water outlet connector 3 is in threaded connection with the water inlet pipeline 30 of the heating radiator, avoid the situation of water leakage once the thread sealing is realized, simultaneously, the sealing gasket 7 can make the outer peripheral surface of the sealing gasket always attached to the inner wall of the water inlet pipeline 30 of the heating radiator by using the water storage tank 11, and ensure the sealing effect to the maximum extent, even if one seal fails under the condition of the plurality of seals, other seals still can ensure the sealing performance between the water outlet connector 3 and the water inlet pipeline 30 of the heating radiator, and avoid the situation of water leakage to the maximum extent, thereby avoiding the situation that the water leakage affects the heating radiator effect and causes accidents, and avoiding the potential safety hazard while ensuring the use effect of the heating radiator.
The right end of the auxiliary spring 21 is clamped at the bottom of the hole 20 of the limiting hole, and the left end of the auxiliary spring 21 is clamped in the clamping pipe 18, so that the stability of the left end and the right end of the auxiliary spring 21 can be effectively guaranteed, and the stability of the auxiliary spring 21 when being compressed and expanded is guaranteed.
The outer wall of the sealing ring 24 is provided with an annular fastening groove 25, a clamp spring 26 matched with the annular fastening groove 25 is arranged in the fastening groove 25, the clamp spring 26 can further press the inner wall of the sealing ring 24 against the outer wall of the water inlet pipeline 30 of the heating radiator when the right end of the water inlet pipeline 30 of the heating radiator is wrapped by the sealing ring 24, and the sealing effect of the sealing ring 24 is further improved.
The positioning structure comprises a plurality of positioning holes 27 which are formed in the circumference and evenly arranged on the sealing sleeve 6, the positioning holes 27 are communicated with the fixing groove 8, the inner circumferential surface of the caulking groove 5 is provided with a limiting groove 28 which is annular, the position of the limiting groove 28 corresponds to the position of the positioning holes 27, the outer wall of the right end of the fixing sleeve 10 is provided with a plurality of positioning rods 29 matched with the positioning holes 27, the positioning rods 29 penetrate through the positioning holes 27 and penetrate into the limiting grooves 28, the fixing mode not only can ensure the stability between the fixing sleeve 10 and the water outlet connector 3, but also is beneficial to the disassembly and assembly of the sealing sleeve 6.
Because the groove width of the bottom of the water storage tank 11 is gradually reduced from inside to outside, the water pressure is higher at the position which is more outside in the water storage tank 11, so that the pressure when the peripheral surface of the sealing gasket 7 is tightly pressed on the inner wall of the water inlet pipeline 30 of the heating radiator is ensured to the maximum extent, and the sealing effect of the sealing gasket 7 is ensured.
The inner walls of the fixed sleeve 10, the sealing sleeve 6 and the water outlet connector 3 are coplanar, so that the condition that the smooth flow of water flow is influenced by the unevenness of the inner wall of the water outlet connector 3 is effectively avoided.
Claims (8)
1. The utility model provides a heating valve with high leakproofness, includes the valve body, locates the water supply connector of valve body lower extreme and locates the left water connectors of valve body, is equipped with rather than assorted opening and closing piece in the valve body, and opening and closing piece upper end is equipped with the valve rod, and the valve rod upper end upwards wears out outside the valve body and is equipped with hand wheel, its characterized in that: an annular caulking groove is formed in the port at the left end of the water outlet joint; a sealing sleeve matched with the caulking groove is arranged in the caulking groove; a sealing gasket which is attached to the left end face of the water outlet joint extends outwards from the pipe orifice at the left end of the sealing sleeve, the sealing gasket and the sealing sleeve are integrally formed, and the sealing gasket and the sealing sleeve are both made of rubber materials; the inner wall of the pipe orifice at the left end of the sealing sleeve is provided with an annular fixing groove; the left side of the sealing gasket is provided with a fixing gasket which is attached to the sealing gasket; the fixing pad is annular, and a fixing sleeve matched with the fixing groove extends rightwards from the edge of an inner hole of the fixing pad; the fixed sleeve and the sealing sleeve are fixed through a positioning structure; the inner wall of the sealing gasket is provided with an annular water storage tank; a plurality of water inlet holes which are uniformly distributed in the circumferential direction are formed in the inner wall of the fixed sleeve, and the water inlet holes are communicated with the water storage tank; the outer wall of the right part of the water outlet joint is provided with an annular sealing step; the sealing step is provided with an annular sealing groove; and an outer sealing device matched with the sealing groove is arranged in the sealing groove.
2. A heating valve with high sealing performance according to claim 1, wherein: the outer sealing device comprises a sealing ring matched with the sealing groove, and the sealing ring is made of rubber; the left end of the sealing ring penetrates out of the sealing groove leftwards; the right end face of the sealing ring is provided with an annular auxiliary groove; the bottom of the auxiliary groove is provided with an extrusion ring attached to the auxiliary groove; the right end face of the extrusion ring is provided with a plurality of clamping pipes which are uniformly distributed in the circumferential direction; a supporting pipe which is attached to the inner wall of the auxiliary groove is sleeved outside the clamping pipe; the bottom of the sealing groove is provided with a plurality of limiting holes coaxial with the clamping pipe; an auxiliary spring is arranged between the bottom of the limiting hole and the right end face of the extrusion ring, and the clamping pipe is sleeved outside the left end of the auxiliary spring.
3. A heating valve with high sealing performance according to claim 2, wherein: the inner wall of the left end of the sealing ring is provided with an annular pressure groove, and the width of the pressure groove gradually decreases from the groove opening to the groove bottom.
4. A heating valve with high sealing performance according to claim 2, wherein: a sealing plate which is attached to the sealing step extends outwards from the outer edge of the left end of the sealing ring; a sealing ring extends leftwards from the outer edge of the sealing plate; the sealing ring, the sealing plate and the sealing ring are integrally formed, and the sealing ring and the sealing plate are made of rubber materials.
5. A heating valve with high sealing performance according to claim 4, wherein: the outer wall of the sealing ring is provided with an annular fastening groove; and a snap spring matched with the fastening groove is arranged in the fastening groove.
6. A heating valve with high sealing performance according to claim 1, wherein: the positioning structure comprises a plurality of positioning holes which are uniformly arranged on the sealing sleeve in a circumferential manner, and the positioning holes are communicated with the fixing grooves; the inner peripheral surface of the caulking groove is provided with an annular limiting groove, and the position of the limiting groove corresponds to the position of the positioning hole; the outer wall of the right end of the fixed sleeve is provided with a plurality of positioning rods matched with the positioning holes, and the positioning rods penetrate through the positioning holes and penetrate into the limiting grooves.
7. A heating valve with high sealing performance according to claim 1, wherein: the width of the bottom of the water storage tank is gradually reduced from inside to outside.
8. A heating valve with high sealing performance according to claim 1, wherein: the inner wall of the fixed sleeve, the inner wall of the sealing sleeve and the inner wall of the water outlet joint are coplanar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122734814.6U CN216201346U (en) | 2021-11-09 | 2021-11-09 | Heating valve with high leakproofness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122734814.6U CN216201346U (en) | 2021-11-09 | 2021-11-09 | Heating valve with high leakproofness |
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| Publication Number | Publication Date |
|---|---|
| CN216201346U true CN216201346U (en) | 2022-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122734814.6U Active CN216201346U (en) | 2021-11-09 | 2021-11-09 | Heating valve with high leakproofness |
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| Country | Link |
|---|---|
| CN (1) | CN216201346U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116989000A (en) * | 2023-08-04 | 2023-11-03 | 大庆文迪石油设备有限公司 | Mechanical sealing device for sewage pump |
-
2021
- 2021-11-09 CN CN202122734814.6U patent/CN216201346U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116989000A (en) * | 2023-08-04 | 2023-11-03 | 大庆文迪石油设备有限公司 | Mechanical sealing device for sewage pump |
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