CN219062590U - Snap ring type quick-opening device with safety interlocking mechanism for valve of pipe cleaning machine - Google Patents
Snap ring type quick-opening device with safety interlocking mechanism for valve of pipe cleaning machine Download PDFInfo
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- CN219062590U CN219062590U CN202223340094.6U CN202223340094U CN219062590U CN 219062590 U CN219062590 U CN 219062590U CN 202223340094 U CN202223340094 U CN 202223340094U CN 219062590 U CN219062590 U CN 219062590U
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- opening
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- ring
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Abstract
The utility model relates to a snap ring type quick door opening device with a safety interlocking mechanism for a valve of a cleaning pipe, which comprises: the valve comprises a valve body and a sealing door, wherein a U-shaped sealing ring is arranged in a radial annular step of a clear pipe orifice of the valve body, and an annular plane matched with the radial annular step is arranged on the end face of one side of the sealing door; the method is characterized in that: the sealing door is rotatably arranged on a support on the valve body through a linkage plate and a pin shaft, an opening clamping ring is arranged between a clamping ring mounting groove of the sealing door and a clamping groove of the valve body, and the sealing door is tightly pressed and mounted on a pipe cleaning opening of the valve body by adopting the clamping ring; a locking plate is embedded at the opening of the clamping ring, so that the door is prevented from being opened by misoperation; the locking plate is arranged on the sealing door through the pressure relief valve to prevent the sealing door from being opened under pressure. Has the advantages of reliable use performance, light operation, safe operation and the like.
Description
Technical Field
The utility model relates to a quick door opening device of a pipe cleaning valve.
Background
Currently, the quick-opening door of a pipe cleaning valve in the market is generally divided into two structures. The utility model provides a for screw thread structure, seal the door promptly and adopt the external screw thread to install on the clear mouth of pipe of valve body internal screw thread, carry out the switching operation through rotatory seal the door, its shortcoming is: the screw thread is easy to damage after repeated switching operation, especially after medium in the pipeline or use environment pollutant enter the screw thread, the screw thread is easy to damage, the door is blocked and can not be opened or closed, and the working reliability is poor. The other is that the straight face seals the rotatory draw-in groove class and opens the door soon, seals the door promptly and blocks into the clear mouth of pipe's of valve body draw-in groove through rotatory, compresses tightly O type circle and realizes sealedly, and its shortcoming is: the O-shaped ring extrusion causes that the moment of torsion is very big in the door opening and closing process, often needs to assist through great external force to accomplish, and the switching operation is very inconvenient, in the frequent opening and closing in-process moreover, leads to O-shaped ring to collide with the fish tail or extrusion deformation easily, leads to leaking or sealed inefficacy risk.
The quick-opening valve of the pigging valve with the two structures has the risk of misoperation of causing safety accidents because the sealing valve is opened under pressure.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model provides the snap ring type quick opening device with the safety interlocking mechanism for the valve of the pipe cleaning valve, which has the advantages of good working reliability, light operation, reliable sealing and safe operation.
The technical scheme for realizing the utility model is as follows:
snap ring type valve quick opening device with safety interlocking mechanism, comprising: the valve comprises a valve body and a sealing door, wherein a U-shaped sealing ring is arranged in a radial annular step of a clear pipe orifice of the valve body, and an annular plane matched with the radial annular step is arranged on the end face of one side of the sealing door; the method is characterized in that: the sealing door is rotatably arranged on a support on the valve body through a linkage plate and a pin shaft, a valve body cleaning orifice is provided with a sealing door mounting hole with the same outer diameter as the radial annular step of the valve body cleaning orifice, the diameter of the sealing door mounting hole is larger than the outer diameter of the sealing door, the axial length of the sealing door mounting hole is larger than the thickness of the sealing door, a clamping ring mounting groove is formed in the radial outer circumference of the end face of the other side of the sealing door, an opening clamping ring is arranged in the clamping ring mounting groove, two opening ends of the opening clamping ring are movably arranged in the clamping ring mounting groove through an elastic horseshoe clamping ring, a clamping groove is formed in the sealing door mounting hole, and the distance between the clamping groove and the radial annular step is larger than the thickness of the sealing door; the opening clamping ring adopts a conical structure, the small diameter end of the opening clamping ring is propped against in the clamping ring mounting groove of the sealing door in the closing state of the sealing door, the large diameter end is propped against in the clamping groove of the valve body, the locking plate is embedded at the opening of the opening clamping ring, and the locking plate is fixedly mounted on the inner thread of the axial through hole of the sealing door through the mounting thread of the pressure relief valve.
Preferably, the contact surfaces of the snap ring mounting groove and the clamping groove with the open snap ring are inclined planes, and a radial cone angle is formed between the inclined planes of the snap ring mounting groove and the clamping groove. I.e.
Preferably, one end of the elastic horseshoe locking ring is movably arranged in the annular guide groove of the door sealing end plane through a handle, and the other end of the elastic horseshoe locking ring is fixedly arranged in the door sealing end plane.
Preferably, the two ends of the elastic horseshoe locking ring are fixedly connected with the two ends of the scissor type handle, the elastic horseshoe locking ring is movably arranged in the annular guide groove on the plane of the door sealing end, and the two ends of the other side of the scissor type handle are provided with connecting buckles which are matched with each other.
Preferably, the inner side of the inclined plane of the snap ring mounting groove is provided with a conical surface with the same taper as the inner annular surface of the open snap ring.
Compared with the prior art, the utility model has the beneficial effects that: the sealing door is installed on the opening of the valve body by pressing with a clamping ring, and a locking plate is embedded at the opening of the clamping ring to prevent the sealing door from being opened by misoperation; the locking plate is arranged on the sealing door through the pressure relief valve to prevent the sealing door from being opened under pressure. When the clamping ring is tightened, the sealing door can be opened and closed freely; after the sealing door is closed, the tightening force of the clamping ring is relieved, so that the clamping ring is elastically opened and clamped into the clamping groove of the valve body, and the sealing door is tightly pressed on the opening of the valve body cleaning pipe. Has the advantages of reliable use performance, light operation, safe operation and the like.
Drawings
Fig. 1 is a structural sectional view of the closed state of the door of the present utility model.
Fig. 2 is a schematic plan view of the door closing state of the present utility model.
In the figure: 1 valve body, 2 seal door, 3 opening snap ring, 4U type sealing washer, 5 linkage board, 6 handles, 7 locking plate, 8 pressure relief valve, 9 elasticity horseshoe locking ring, 10 support, 11 round pin axles.
Detailed Description
The snap ring type quick opening device with the safety interlocking mechanism for the valve of the cleaning tube as shown in fig. 1 and 2 comprises: the sealing device comprises a valve body 1 and a sealing door 2, wherein a U-shaped sealing ring 4 is arranged in a radial annular step of a clear pipe orifice of the valve body 1, an annular plane matched with the radial annular step on the valve body 1 is arranged on one side end surface of the sealing door 2, and the annular plane and the U-shaped sealing ring 4 are in compression fit to form a sealing pair; the method is characterized in that: the sealing door 2 is rotatably arranged on the support 10 of the valve body 1 through the linkage plate 5 and the pin shaft 11, one end of the linkage plate 5 is connected with a fixed rod in the middle of the plane of the sealing door 2, the fixed rod is fixedly arranged in the middle of the plane of the sealing door 2 through the mounting seat, and a pull buckle is arranged on the fixed rod, so that manual operation is facilitated. The clear pipe opening of the valve body 1 is provided with a sealing door mounting hole with the same radial annular step outer diameter, the diameter of the sealing door mounting hole is larger than the outer diameter of the sealing door 2, so that the sealing door 2 can smoothly enter the sealing door mounting hole to be matched with the U-shaped sealing ring 4, the axial length of the sealing door mounting hole is larger than the thickness of the sealing door 2, the radial outer circumference of the end face of the other side of the sealing door 2 is provided with a snap ring mounting groove, an opening snap ring 3 is arranged in the snap ring mounting groove, two sides of the opening end of the opening snap ring 3 are movably arranged in the snap ring mounting groove through an elastic horseshoe locking ring 9, a clamping groove is arranged in the sealing door mounting hole, the distance between the clamping groove and the radial annular step is larger than the thickness of the sealing door 2, and when the sealing door 2 is closed, the maximum axial distance between the snap ring mounting groove and the clamping groove is equal to the axial length of the opening snap ring 3, so that the opening snap ring 3 is pressed between the snap ring mounting groove and the clamping groove; the opening clamping ring 3 adopts a conical structure, and in the closing state of the sealing door 2, the small diameter end of the opening clamping ring 3 is propped against the clamping ring mounting groove of the sealing door 2, and the large diameter end is propped against the clamping groove of the valve body 1, so that the sealing door 2 is tightly pressed towards the U-shaped sealing ring 4; the locking plate 7 is embedded at the opening of the split snap ring 3, the split snap ring 3 is locked in an elastic opening state, the split snap ring 3 is prevented from being tightened to open the sealing door 2 by misoperation, the locking plate 7 is fixedly arranged on the internal thread of the axial through hole of the sealing door 2 through the mounting thread of the pressure relief valve 8, when the sealing door 2 is opened, the pressure relief valve 8 needs to be dismounted firstly, the locking plate 7 is dismounted after the pressure relief valve 8 is released, the split snap ring 3 is unlocked, and the sealing door 2 is prevented from being opened under pressure to generate safety accidents.
The contact surfaces of the snap ring mounting groove and the clamping groove and the open snap ring 3 are inclined planes, and a radial taper angle is formed between the inclined planes of the snap ring mounting groove and the clamping groove when the seal door 2 is closed. Namely, when the sealing door 2 is closed, a cone angle along the radial direction of the sealing door mounting hole is formed between the inclined surface of the clamping ring mounting groove and the inclined surface of the clamping groove, so that the sealing door 2 is gradually pressed and sealed with the U-shaped sealing ring 4 when the opening clamping ring 3 is elastically opened.
One end of the elastic horseshoe locking ring 9 is movably arranged in the annular guide groove of the end plane of the sealing door 2 through the handle 6, and the other end of the elastic horseshoe locking ring is fixedly arranged in the end plane of the sealing door 2. The handle 6 is pulled to move in the annular guide groove, the elastic horseshoe locking ring 9 is compressed, the split locking ring 3 is driven to shrink towards the radial center of the sealing door 2, and the sealing door 2 and the split locking ring 3 can move freely in a sealing door mounting hole of the valve body 1; when the sealing door 2 and the U-shaped sealing ring 4 are closed in place, the handle 6 is loosened, the elastic horseshoe locking ring 9 and the opening clamping ring 3 are opened elastically, and the opening clamping ring 3 enters between the clamping ring mounting groove of the sealing door 2 and the clamping groove of the valve body 1 to tightly press the sealing door 2 and seal the U-shaped sealing ring 4. The sealing door 2 is light in opening and closing and reliable in operation, and the problems that the operation moment is large and the threaded connection structure cannot be opened and closed due to thread damage in the conventional straight-face sealing rotary clamping groove structure are effectively solved. A contraction positioning device is arranged between the handle 6 and the annular guide groove, and in the opening and closing process of the door 2, the opening clamping ring 3 is kept in a tightening state, so that the opening and closing operation is convenient.
The two ends of the elastic horseshoe locking ring 9 are fixedly connected with the two ends of the scissor type handle, the elastic horseshoe locking ring is movably arranged in the annular guide groove on the plane of the end of the sealing door 2, and the two ends of the other side of the scissor type handle are provided with connecting buckles which are matched with each other. In the opening and closing process of the door 2, the opening clamping ring 3 is kept in a tightening state, so that the opening and closing operation is convenient. The handle 6 may take other forms, and its function is to force the two ends of the elastic horseshoe locking ring 9 to contract.
The inner side of the inclined plane of the snap ring mounting groove is provided with a conical surface with the same taper as the inner annular surface of the split snap ring 3, and when the split snap ring 3 is tightened, the inner annular surface of the split snap ring 3 is tightly pressed on the conical surface, so that radial limit of the split snap ring 3 during tightening is realized.
Claims (7)
1. A snap ring type spool valve quick-opening device with a safety interlocking mechanism, comprising: the valve comprises a valve body (1) and a sealing door (2), wherein a U-shaped sealing ring (4) is arranged in a radial annular step of a cleaning pipe orifice of the valve body (1), and an annular plane matched with the radial annular step on the valve body (1) is arranged on one side end surface of the sealing door (2); the method is characterized in that: the sealing door (2) is rotatably arranged on a support (10) of the valve body (1) through a linkage plate (5) and a pin shaft (11), a sealing door mounting hole with the same radial annular step outer diameter is formed in a cleaning pipe opening of the valve body (1), the diameter of the sealing door mounting hole is larger than the outer diameter of the sealing door (2), the axial length of the sealing door mounting hole is larger than the thickness of the sealing door (2), a clamping ring mounting groove is formed in the radial outer circumference of the end face of the other side of the sealing door (2), an opening clamping ring (3) is arranged in the clamping ring mounting groove, two sides of the opening end of the opening clamping ring (3) are movably arranged in the clamping ring mounting groove through elastic horseshoe clamping rings (9), a clamping groove is formed in the sealing door mounting hole, and the distance between the clamping groove and the radial annular step is larger than the thickness of the sealing door (2); the opening clamping ring (3) adopts a conical structure, in the closing state of the sealing door (2), the small diameter end of the opening clamping ring (3) is propped in the clamping ring installation groove of the sealing door (2), the large diameter end is propped in the clamping groove of the valve body (1), the locking plate (7) is embedded in the opening of the opening clamping ring (3), and the locking plate (7) is fixedly installed on the internal thread of the axial through hole of the sealing door (2) through the installation thread of the pressure relief valve (8).
2. The snap ring type quick door opener with safety interlocking mechanism for cleaning tube valve of claim 1, characterized in that: the contact surfaces of the snap ring mounting groove and the clamping groove and the opening snap ring (3) are inclined planes, and a radial taper angle is formed between the inclined planes of the snap ring mounting groove and the clamping groove when the sealing door (2) is closed.
3. The snap ring type quick opening valve device with safety interlocking mechanism as claimed in claim 1 or 2, wherein: one end of the elastic horseshoe lock ring (9) is movably arranged in the annular guide groove of the end plane of the sealing door (2) through the handle (6), and the other end of the elastic horseshoe lock ring is fixedly arranged in the end plane of the sealing door (2).
4. The snap ring type quick opening valve device with safety interlocking mechanism as claimed in claim 1 or 2, wherein: the two ends of the elastic horseshoe locking ring (9) are fixedly connected with the two ends of the scissor type handle, the elastic horseshoe locking ring is movably arranged in the annular guide groove on the plane of the end of the sealing door (2), and the two ends of the other side of the scissor type handle are provided with connecting buckles which are matched with each other.
5. The snap ring type quick door opener with safety interlocking mechanism for cleaning tube valve as set forth in claim 3, wherein: the inner side of the inclined plane of the snap ring mounting groove is provided with a conical surface with the same taper as the inner annular surface of the opening snap ring (3).
6. The snap ring type quick door opener with safety interlocking mechanism for cleaning tube valve of claim 4, characterized in that: the inner side of the inclined plane of the snap ring mounting groove is provided with a conical surface with the same taper as the inner annular surface of the opening snap ring (3).
7. The snap ring type quick opening valve device with safety interlocking mechanism as claimed in claim 1 or 2, wherein: the inner side of the inclined plane of the snap ring mounting groove is provided with a conical surface with the same taper as the inner annular surface of the opening snap ring (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223340094.6U CN219062590U (en) | 2022-12-14 | 2022-12-14 | Snap ring type quick-opening device with safety interlocking mechanism for valve of pipe cleaning machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223340094.6U CN219062590U (en) | 2022-12-14 | 2022-12-14 | Snap ring type quick-opening device with safety interlocking mechanism for valve of pipe cleaning machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219062590U true CN219062590U (en) | 2023-05-23 |
Family
ID=86367447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223340094.6U Active CN219062590U (en) | 2022-12-14 | 2022-12-14 | Snap ring type quick-opening device with safety interlocking mechanism for valve of pipe cleaning machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219062590U (en) |
-
2022
- 2022-12-14 CN CN202223340094.6U patent/CN219062590U/en active Active
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