CN115013626B - Novel waterproof plug-free sealing sheath - Google Patents
Novel waterproof plug-free sealing sheath Download PDFInfo
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- CN115013626B CN115013626B CN202210623012.4A CN202210623012A CN115013626B CN 115013626 B CN115013626 B CN 115013626B CN 202210623012 A CN202210623012 A CN 202210623012A CN 115013626 B CN115013626 B CN 115013626B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/10—Means for stopping flow from or in pipes or hoses
- F16L55/11—Plugs
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention belongs to the field of waterproof sealing, and particularly relates to a novel waterproof plug-free sealing sheath which comprises an installation head, wherein a terminal hole is formed in the installation head, and a clamping sleeve is fixedly installed on the outer wall of the installation head; the sheath is in interference fit with the cutting sleeve; the sheath is used for plugging the mounting head; the bottom in the sheath is fixedly connected with a positioning ring, and the bottom of the mounting head is provided with a positioning groove corresponding to the positioning ring; a fixed block is fixedly arranged on the outer wall of the sheath; the outer wall of the clamping sleeve is provided with a traction piece, and the traction piece is used for positioning and fixing the mounting head when the mounting head is connected with the sheath; the invention has simple structure and can solve the technical problem of water leakage caused by dislocation of the joint of the plugging head and the pipeline.
Description
Technical Field
The invention belongs to the field of waterproof sealing, and particularly relates to a novel sealing sheath without a waterproof plug.
Background
With the development of science and technology and the updating of technology, sealing devices are widely applied in various fields, wherein the pipeline sealing device is the most common at present, and the traditional pipeline is mainly sealed by adopting a mode of combining a sealing head and a sealing element to seal a pipeline at present;
the sealing element is a rubber ring or a waterproof adhesive tape, the rubber ring is arranged on the plugging head, and the rubber ring and the pipeline are mutually extruded and deformed to achieve the plugging effect, so that the leakage of liquid and the invasion of foreign objects are prevented, and the sealing effect is achieved; a waterproof adhesive tape is wound on the plugging head, and then the plugging head is connected with the pipeline in a threaded manner, so that a waterproof effect is achieved;
however, no matter the mode of plugging the pipeline by using the rubber ring or the waterproof adhesive tape, water flow in the pipeline inevitably flows out from a gap between the plugging head and the pipeline, and the main reason for the phenomenon is that the plugging head is dislocated when being combined with the pipeline, so that the plugging effect of the dislocated position on the water flow in the pipeline is weakened, and the water leakage phenomenon is generated.
In view of this, the present invention provides a novel sealing sheath without a waterproof plug, which solves the above technical problems.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a novel sealing sheath without a waterproof plug, which solves the problems that: the technical problem of water leakage is caused because the joint of the blocking head and the pipeline is dislocated;
in order to realize the purpose, the invention is realized by the following technical scheme:
the invention provides a novel waterproof plug-free sealing sheath, which comprises:
the terminal mounting structure comprises a mounting head, a connecting piece and a clamping sleeve, wherein a terminal hole is formed in the mounting head, and the clamping sleeve is fixedly mounted on the outer wall of the mounting head;
the sheath is in interference fit with the clamping sleeve and is used for plugging the mounting head;
the bottom in the sheath is fixedly connected with a positioning ring, and the bottom of the mounting head is provided with a positioning groove corresponding to the positioning ring;
the fixing block is fixedly arranged on the outer wall of the sheath;
and the traction piece is arranged on the outer wall of the clamping sleeve and used for positioning and fixing the mounting head when the mounting head is connected with the sheath.
Preferably, the pulling member comprises:
the traction block is slidably mounted on the outer wall of the clamping sleeve;
the outer wall of the cutting sleeve is fixedly provided with a rotating frame, the rotating frame is rotatably provided with a rotating shaft, and the outer wall of the rotating shaft is fixedly provided with a rotating block;
and one end of the traction rope is fixedly connected with one end of the traction block close to the rotating frame, and the other end of the traction rope is fixedly connected with the outer surface of the rotating shaft.
Preferably, one surface of the rotating block, which is close to the clamping sleeve, is provided with a groove, and the groove covers the fixed block.
Preferably, the rotating shaft is sleeved with a fixing frame, the fixing frame is fixedly connected with the outer surface of the rotating frame, a spring telescopic rod is fixedly mounted on the fixing frame, and an ejector block is fixedly mounted at one end, far away from the rotating frame, of the spring telescopic rod.
Preferably, the appearance of traction block is "U" style of calligraphy, the quantity of haulage rope sets up to two, two the haulage rope is kept away from the one end of pivot respectively with the tip fixed connection of traction block vertical portion, the annular has been seted up to the surface symmetry of pivot, two the haulage rope is kept away from the one end of traction block fixed mounting respectively in the inside of annular.
Preferably, a rack is fixedly mounted on the outer wall of the top end of the sheath, and a clamping groove corresponding to the rack is formed in one surface, close to the mounting head, of the clamping sleeve.
Preferably, the rack is of a 30 wedge design.
Preferably, the hauling cable is made of a steel wire rope.
Preferably, the sheath, the fixing block and the rack are metal pieces.
Preferably, the outer surfaces of the sheath, the fixing block and the rack and one surface of the cutting sleeve close to the mounting head are coated with wear-resistant coatings.
The invention has the following beneficial effects:
1. according to the novel waterproof plug-free sealing sheath, the traction block is sleeved on the fixed block, the upper plane of the traction block is abutted to the hook portion of the fixed block, then the rotating block is held by a hand, the rotating block rotates towards the direction of the sheath by taking the rotating frame as an axis, the traction rope is driven to wind on the outer surface of the rotating shaft in the rotating process of the rotating shaft, the traction rope pulls the fixed block to move towards the direction of the rotating shaft, the whole sheath is matched with the mounting head, the positioning ring is matched with the positioning groove, the sheath is positioned with the mounting head, and the situation that in the mounting process, the sheath and the mounting head deviate to cause a gap to be formed between the sheath and the mounting head and further cause water leakage is reduced.
2. When the novel waterproof plug-free sealing sheath is disassembled, the rotating block is firstly rotated towards the opposite direction of the sheath by taking the rotating frame as an axis, the traction block loses traction on the fixed block in the rotating process of the rotating block, then the clamping sleeve is heated by hot water, the clamping sleeve expands due to expansion caused by heat and contraction caused by cold, so that the clamping sleeve and the sheath are loosened, the spring telescopic rod pushes the fixed block on the sheath to withdraw the sheath from the mounting head, the sheath disassembling effect is improved, and the condition that the side, close to the mounting head, of the clamping sleeve is damaged due to manual shaking of the sheath is reduced when the sheath is disassembled.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a structural view of a mounting head of the present invention;
FIG. 2 is a cross-sectional view of a mounting head of the present invention;
FIG. 3 is a block diagram of a traction element of the present invention;
FIG. 4 is a block diagram of the sheath of the present invention;
fig. 5 is a cross-sectional view of a mounting head of the present invention.
In the figure, 1, a mounting head; 2. a terminal hole; 3. a ferrule; 4. a sheath; 41. positioning rings; 42. a fixed block; 5. positioning a groove; 6. a traction member; 61. a traction block; 62. a rotating frame; 621. a rotating shaft; 622. a fixed mount; 623. a ring groove; 63. rotating the block; 64. a hauling rope; 65. a groove; 66. a spring telescopic rod; 67. a top block; 7. a rack; 71. a clamping groove.
Detailed Description
The invention provides a novel waterproof plug-free sealing sheath, which solves the problems that: the technical problem of water leakage is caused by dislocation of the joint of the plugging head and the pipeline;
in order to solve the technical problems, the technical scheme in the embodiment of the invention has the following general idea: the rotating block pulls the fixing block to move towards the mounting head through the traction rope, so that the positioning ring is matched with the positioning groove, the sheath and the mounting head are positioned, and the situation that a gap is formed between the sheath and the mounting head and water leakage is caused due to deviation between the sheath and the mounting head in the mounting process is reduced; the clamping sleeve is heated by hot water, so that the clamping sleeve expands, the clamping sleeve and the sheath are loosened, the spring telescopic rod pushes the fixing block on the sheath to enable the sheath to be withdrawn from the mounting head, and the sheath dismounting effect is improved;
in order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 5, the novel sealing sheath without waterproof plug of the present invention comprises:
the terminal mounting structure comprises a mounting head 1, wherein a terminal hole 2 is formed in the mounting head 1, and a clamping sleeve 3 is fixedly mounted on the outer wall of the mounting head 1;
the sheath 4 is in interference fit with the cutting sleeve 3;
the bottom in the sheath 4 is fixedly connected with a positioning ring 41, and the bottom of the mounting head 1 is provided with a positioning groove 5 corresponding to the positioning ring 41;
the fixing block 42 is fixedly arranged on the outer wall of the sheath 4;
the outer wall of the clamping sleeve 3 is provided with a traction piece 6, and the traction piece 6 is used for positioning and fixing when the mounting head 1 is connected with the sheath 4.
One end, far away from the cutting sleeve 3, of the mounting head 1 is fixedly connected with a water pipeline, when the mounting head 1 is matched with the sheath 4, hot water is poured from the upper part of the mounting head 1, the cutting sleeve 3 on the mounting head 1 expands due to thermal expansion and cold contraction, so that the sheath 4 can complete the coating of the mounting head 1, the size of the inner ring of the sheath 4 is consistent with that of the outer ring of the mounting head 1, the cutting sleeve 3 gradually recovers to normal temperature along with the lapse of time, and the size of the cutting sleeve 3 also recovers to the state when the expansion does not occur, so that the cutting sleeve 3 and the sheath 4 are in interference fit; through cutting ferrule 3 and 4 interference fit of sheath, satisfy the effect of waterproof sealing between installation head 1 and sheath 4.
In the process that the sheath 4 coats the mounting head 1, the positioning ring 41 at the bottom of the sheath 4 is in contact with the positioning groove 5 at the bottom of the mounting head 1, and finally the positioning ring 41 enters the positioning groove 5, so that the situation that in the mounting process, the sheath 4 and the mounting head 1 deviate to cause the water leakage of a gap between the sheath 4 and the ferrule 3 is reduced;
if the positioning ring 41 does not completely enter the positioning groove 5 in the installation process, the sleeve 4 is pulled towards the mounting head 1 by matching the traction piece 6 with the fixing block 42, so that the assembly of the sleeve 4 and the mounting head 1 is completed, and the situation that the sleeve 4 deviates from the mounting head 1 in the installation process and a gap between the sleeve 4 and the mounting head 1 leaks is reduced.
As an embodiment of the present invention, as shown in fig. 1 to 3, the pulling member 6 includes:
the traction block 61 is arranged on the outer wall of the cutting sleeve 3 in a sliding mode;
the outer wall of the cutting sleeve 3 is fixedly provided with a rotating frame 62, the rotating frame 62 is rotatably provided with a rotating shaft 621, and the outer wall of the rotating shaft 621 is fixedly provided with a rotating block 63;
and one end of the traction rope 64 is fixedly connected with one end of the traction block 61 close to the rotating frame 62, and the other end of the traction rope 64 is fixedly connected with the outer surface of the rotating shaft 621.
When the U-shaped sheath is in operation, the section of the sheath 4 is U-shaped, when the positioning ring 41 on the sheath 4 is not completely matched with the positioning groove 5, a certain included angle is formed between the transverse part of the sheath 4 and the bottom of the mounting head 1, so that water leakage occurs between the sheath 4 and the mounting head 1 after mounting;
the sleeve 3 is provided with a movable groove matched with the fixing block 42, the traction rope 64 is in a loose state in an initial state, the traction block 61 can be taken out from a slide way on the sleeve 3 for the traction block 61 to slide, the fixing block 42 is in a claw shape, the traction block 61 is sleeved on the fixing block 42, so that the upper plane of the traction block 61 is abutted against the hook part of the fixing block 42, then the rotating block 63 is held by a hand, the rotating block 63 rotates towards the direction of the sheath 4 by taking the rotating frame 62 as an axis, the rotating block 63 drives the rotating shaft 621 to rotate, the traction rope 64 is driven to be wound on the outer surface of the rotating shaft 621 in the rotating process of the rotating shaft 621, the traction rope 64 pulls the traction block 61 to move towards the direction of the rotating shaft 621, so that the whole sheath 4 is matched with the mounting head 1, the positioning ring 41 is matched with the positioning groove 5, the sheath 4 is positioned with the mounting head 1, and the situation that in the installation process, the situation that in which water leakage occurs between the gap between the sheath 4 and the mounting head 1 due to offset occurs is reduced.
As an embodiment of the present invention, as shown in fig. 1 to 2, a groove 65 is formed on one surface of the rotating block 63 close to the ferrule 3, and the groove 65 covers the fixed block 42.
When the rotating block 63 rotates in the direction of the sheath 4 by taking the rotating frame 62 as an axis, the groove 65 on the rotating block 63 covers the fixed block 42 on the sheath 4, after the sheath 4 is matched with the mounting head 1, if the fixed block 42 is exposed in the air for a long time, the weathering phenomenon of the sheath 4 is aggravated, the matching degree between the clamping sleeves 3 of the sheath 4 is further reduced, and the water leakage phenomenon is further caused, the groove 65 on the rotating block 63 covers the fixed block 42, and the weathering of the fixed block 42 and the whole sheath 4 by the external air is reduced, so that the water leakage phenomenon is further caused.
As an embodiment of the present invention, as shown in fig. 1 to fig. 3, a fixing frame 622 is sleeved on the rotating shaft 621, the fixing frame 622 is fixedly connected to the outer surface of the rotating frame 62, a spring expansion link 66 is fixedly mounted on the fixing frame 622, and an ejector block 67 is fixedly mounted at one end of the spring expansion link 66 away from the rotating frame 62.
When the device works, the rotating block 63 pulls the traction block 61 through the traction rope 64, and the top block 67 is abutted against the top end of the fixing block 42 in the process that the traction block 61 pulls the fixing block 42 to move towards the rotating shaft 621, so that the fixing block 42 compresses the spring telescopic rod 66 along with the pulling of the traction block 61 on the fixing block 42;
when dismantling sheath 4, at first use turning block 63 to rotate to the opposite direction of sheath 4 with rotating turret 62 as the axle center, turning block 63 pivoted in-process, pivot 621 surface winding haulage rope 64 resumes original lax state, make the traction block 61 lose the traction to fixed block 42, then utilize hot water to heat cutting ferrule 3, because the reason of expend with heat and contract with cold makes cutting ferrule 3 take place the inflation, make taking place to become flexible between cutting ferrule 3 and the sheath 4, spring telescopic rod 66 promotes the fixed block 42 on the sheath 4 and makes sheath 4 withdraw from installation head 1 this moment, promote sheath 4 and dismantle the effect, when reducing sheath 4 and dismantling, the manual work is rocked sheath 4 and is made the condition of the damage of cutting ferrule 3 near installation head 1 one side appear.
As an embodiment of the present invention, the traction block 61 is shaped like a U, two traction ropes 64 are provided, one end of each traction rope 64 far from the rotating shaft 621 is fixedly connected to an end of the vertical portion of the traction block 61, annular grooves 623 are symmetrically formed in the outer surface of the rotating shaft 621, and one ends of the two traction ropes 64 far from the traction block 61 are fixedly mounted inside the annular grooves 623.
When the device works, the fixing block 42 is in a claw shape, when the positioning operation of the sheath 4 is needed, the transverse part of the traction block 61 is placed on the hook part of the fixing block 42, then the rotating block 63 is rotated towards the sheath 4 by taking the rotating frame 62 as a circle center, the annular groove 623 and the vertical part of the traction block 61 are positioned on the same plane, so that the two traction ropes 64 are arranged on the rotating shaft 621 in parallel, the two traction ropes 64 can pull the traction block 61 with the same force in the rotating process of the rotating block 63, and the situation that the positioning ring 41 is not matched with the positioning groove 5 due to uneven stress on the two sides of the traction block 61 is reduced;
meanwhile, the two hauling ropes 64 are arranged on the rotating frame 62 in parallel, and the hauling ropes 64 do not contact with the spring telescopic rods 66 in the rotating process of the rotating block 63.
As an embodiment of the present invention, as shown in fig. 4 to 5, a rack 7 is fixedly installed on an outer wall of the top end of the sheath 4, and a clamping groove 71 corresponding to the rack 7 is formed on one surface of the ferrule 3 close to the mounting head 1.
When the installation head 1 and the sheath 4 are matched in work, hot water is poured down from the upper part of the installation head 1, the clamping sleeve 3 on the installation head 1 expands due to expansion caused by heat and contraction caused by cold, so that the sheath 4 can complete the coating of the installation head 1, the rack 7 is clamped with the clamping groove 71, the clamping sleeve 3 gradually recovers to normal temperature along with the lapse of time, the size of the clamping sleeve 3 is also recovered to a state without expansion, and the rack 7 is clamped with the clamping groove 71; after the mounting head 1 is matched with the sheath 4, the possibility that the sheath 4 falls off from the mounting head 1 due to the impact of the water flow on the sheath 4 is reduced due to the matching of the rack 7 to the clamping groove 71.
As an embodiment of the invention, the toothed rack 7 is designed in the form of a 30 ° wedge.
During operation, the rack 7 has an automatic centering function by adopting a 30-degree wedge-shaped design, stress unbalance loading after the rack 7 is clamped with the clamping groove 71 can be avoided, the force borne by the clamping area of the rack 7 and the clamping groove 71 is very uniform, and the water leakage phenomenon caused by uneven stress of the clamping area of the rack 7 and the clamping groove 71 after the mounting head 1 is matched with the sheath 4 is reduced.
In one embodiment of the present invention, the hauling cable 64 is made of a steel cable.
When the steel wire rope works, the steel wires with mechanical properties and geometric dimensions meeting the requirements are twisted together according to a certain rule to form a spiral steel wire bundle, the spiral steel wire bundle has extremely high strength and toughness and can play a good traction effect when the traction block 61 is dragged, meanwhile, lubricating grease is generally sprayed in the steel wire rope twisting process, the main effects are two, one is that the steel wire rope is lubricated to slow down the abrasion of the surface of the steel wire, and the other is that the lubricating grease can isolate the surface of the steel wire from oxygen in the air and plays a role in inhibiting the steel wire rope from being oxidized and rusted.
As an embodiment of the present invention, the sheath 4, the fixing block 42, and the rack 7 are metal members.
When the device works, the sheath 4, the fixed block 42 and the rack 7 can be made of Cu alloy, AI alloy, fe-Ni system, fe-Ni-Co system, fe-Ni-Cr system alloy and the like; the sheath 4, the fixing block 42 and the rack 7 are cast integrally, and after casting, the bonding strength among the sheath 4, the fixing block 42 and the rack 7 is improved to a certain degree, so that the phenomenon that the sheath 4 loses interference fit with the mounting head 1 gradually due to the impact of water flow and water leakage is caused is reduced.
As an embodiment of the present invention, the sheath 4, the fixing block 42, the outer surface of the rack 7 and one surface of the ferrule 3 close to the mounting head 1 are coated with wear-resistant coatings.
When the coating works, the wear-resistant coating adopts an EUBO high-quality precious metal surface wear-resistant coating, and the metal surface wear-resistant coating is an adhesive lubricant. A dry film lubricating coating is formed on the surface of metal, so that the lubricating coating has good wear-resistant lubricating performance and a large working temperature range (high temperature resistance of 400 ℃); the wear-resistant coating on the EUBO Bao metal surface has extremely low friction coefficient under extremely heavy load, which cannot be achieved by a common lubricant; and then reduce the sheath 4 and the process of installing head 1 and carrying out the dismantlement, the phenomenon that the surface of sheath 4 and cutting ferrule 3 appear wearing and tearing near the one side of installing head 1 and then lead to the phenomenon of leaking to produce.
The specific working mode is as follows:
one end, far away from the cutting sleeve 3, of the mounting head 1 is fixedly connected with a water pipeline, when the mounting head 1 is matched with the sheath 4, hot water is poured from the upper part of the mounting head 1, the cutting sleeve 3 on the mounting head 1 expands due to thermal expansion and cold contraction, so that the sheath 4 can complete the coating of the mounting head 1, the size of the inner ring of the sheath 4 is consistent with that of the outer ring of the mounting head 1, the cutting sleeve 3 gradually recovers to normal temperature along with the lapse of time, and the size of the cutting sleeve 3 also recovers to the state when the expansion does not occur, so that the cutting sleeve 3 and the sheath 4 are in interference fit; through cutting ferrule 3 and 4 interference fit of sheath, satisfy installation head 1 and 4 between waterproof sealing's of sheath effect.
In the process that the sheath 4 coats the mounting head 1, the positioning ring 41 at the bottom of the sheath 4 is in contact with the positioning groove 5 at the bottom of the mounting head 1, and finally the positioning ring 41 enters the positioning groove 5;
if the positioning ring 41 does not completely enter the positioning groove 5 in the installation process, the sheath 4 is pulled towards the mounting head 1 by the matching of the traction piece 6 and the fixing block 42, so that the assembly of the sheath 4 and the mounting head 1 is completed.
The section of the sheath 4 is U-shaped, when the positioning ring 41 on the sheath 4 is not completely matched with the positioning groove 5, a certain included angle is formed between the transverse part of the sheath 4 and the bottom of the mounting head 1, so that water leakage occurs between the sheath 4 and the mounting head 1 after mounting;
the sleeve 3 is provided with a movable groove matched with the fixing block 42, the traction rope 64 is in a loose state in an initial state, the traction block 61 can be taken out from a slide way on the sleeve 3 for the traction block 61 to slide, the fixing block 42 is in a claw shape, the traction block 61 is sleeved on the fixing block 42, so that the upper plane of the traction block 61 is abutted against the hook part of the fixing block 42, then the rotating block 63 is held by a hand, the rotating block 63 rotates towards the direction of the sheath 4 by taking the rotating frame 62 as an axis, the rotating block 63 drives the rotating shaft 621 to rotate, the traction rope 64 is driven to be wound on the outer surface of the rotating shaft 621 in the rotating process of the rotating shaft 621, the traction rope 64 pulls the traction block 61 to move towards the rotating shaft 621, the traction block 61 pulls the fixing block 42 to move towards the rotating shaft 621, so that the sheath 4 is integrally matched with the mounting head 1, and the positioning ring 41 is matched with the positioning groove 5, so that the sheath 4 and the mounting head 1 are positioned.
When the rotating block 63 rotates towards the direction of the sheath 4 by taking the rotating frame 62 as an axis, the groove 65 on the rotating block 63 covers the fixed block 42 on the sheath 4, and after the sheath 4 is matched with the mounting head 1, if the fixed block 42 is exposed in the air for a long time, the windage phenomenon of the sheath 4 is aggravated, so that the matching degree between the sleeve sleeves 3 of the sheath 4 is reduced, and the water leakage phenomenon is caused, and the groove 65 on the rotating block 63 covers the fixed block 42.
When the rotating block 63 pulls the traction block 61 through the traction rope 64, and the traction block 61 pulls the fixed block 42 to move towards the rotating shaft 621, the top block 67 is abutted against the top end of the fixed block 42, and the fixed block 42 compresses the spring telescopic rod 66 along with the pulling of the traction block 61 on the fixed block 42;
when dismantling sheath 4, at first use turning block 63 to rotate to the opposite direction of sheath 4 with rotating turret 62 as the axle center, turning block 63 pivoted in-process, pivot 621 surface winding haulage rope 64 resumes original lax state, make the traction block 61 lose the traction to fixed block 42, then utilize hot water to heat cutting ferrule 3, because the reason of expend with heat and contract with cold makes cutting ferrule 3 take place the inflation, make to take place to become flexible between cutting ferrule 3 and the sheath 4, spring telescopic rod 66 promotes fixed block 42 on the sheath 4 this moment and makes sheath 4 withdraw from installation head 1, promote sheath 4 and dismantle the effect.
The fixing block 42 is in a claw shape, when the positioning operation of the sheath 4 needs to be performed, the transverse part of the traction block 61 is placed on the hook part of the fixing block 42, then the rotating block 63 is rotated towards the sheath 4 by taking the rotating frame 62 as a circle center, the ring groove 623 and the vertical part of the traction block 61 are located on the same plane, so that the two traction ropes 64 are arranged on the rotating shaft 621 in parallel, and the two traction ropes 64 can pull the traction block 61 with the same force in the rotating process of the rotating block 63;
meanwhile, the two hauling ropes 64 are arranged on the rotating frame 62 in parallel, and the hauling ropes 64 do not contact with the spring telescopic rods 66 in the rotating process of the rotating block 63.
When the mounting head 1 is matched with the sheath 4, hot water is poured from the upper part of the mounting head 1, the clamping sleeve 3 on the mounting head 1 expands due to thermal expansion and cold contraction, so that the sheath 4 can complete the coating of the mounting head 1, the rack 7 is clamped with the clamping groove 71, the clamping sleeve 3 gradually recovers to normal temperature along with the time lapse, the size of the clamping sleeve 3 is also recovered to a state of not expanding, and the rack 7 is clamped with the clamping groove 71; after the mounting head 1 is matched with the sheath 4, the rack 7 is matched with the clamping groove 71;
the rack 7 has an automatic centering function by adopting a 30-degree wedge-shaped design, so that the stress unbalance loading after the rack 7 is clamped with the clamping groove 71 can be avoided, and the force applied to the clamping area of the rack 7 and the clamping groove 71 is extremely uniform.
In the description of the present invention, it is to be understood that the terms "center", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be considered limiting on the scope of the present invention.
The foregoing shows and describes the general principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. A novel waterproof plug-free sealing boot, comprising:
the mounting structure comprises a mounting head (1), wherein a terminal hole (2) is formed in the mounting head (1), and a clamping sleeve (3) is fixedly mounted on the outer wall of the mounting head (1);
the sheath (4) is in interference fit with the sleeve chuck (3), and the sheath (4) is used for plugging the mounting head (1);
the method is characterized in that:
the bottom in the sheath (4) is fixedly connected with a positioning ring (41), and the bottom of the mounting head (1) is provided with a positioning groove (5) corresponding to the positioning ring (41);
the fixing block (42) is fixedly arranged on the outer wall of the sheath (4);
the outer wall of the clamping sleeve (3) is provided with a traction piece (6), and the traction piece (6) is used for positioning and fixing when the mounting head (1) is connected with the sheath (4);
the traction piece (6) comprises
The traction block (61), the traction block (61) is installed on the outer wall of the cutting sleeve (3) in a sliding mode;
the outer wall of the cutting sleeve (3) is fixedly provided with the rotating frame (62), the rotating frame (62) is rotatably provided with a rotating shaft (621), and the outer wall of the rotating shaft (621) is fixedly provided with a rotating block (63);
one end of the traction rope (64) is fixedly connected with one end, close to the rotating frame (62), of the traction block (61), and the other end of the traction rope (64) is fixedly connected with the outer surface of the rotating shaft (621);
the traction block (61) is sleeved on the fixing block (42), so that the upper plane of the traction block (61) is abutted to the hook portion of the fixing block (42), then the rotating block (63) is held by a hand, the rotating block (63) rotates in the direction of the sheath (4) by taking the rotating frame (62) as an axis, the rotating block (63) drives the rotating shaft (621) to rotate, the traction rope (64) is driven to wind on the outer surface of the rotating shaft (621) in the rotating process of the rotating shaft (621), the traction rope (64) pulls the traction block (61) to move in the direction of the rotating shaft (621), the traction block (61) pulls the fixing block (42) to move in the direction of the rotating shaft (621), the sheath (4) is integrally matched with the mounting head (1), the positioning ring (41) is matched with the positioning groove (5), the sheath (4) and the mounting head (1) are positioned, and the situation that water leakage occurs between the sheath (4) and the mounting head (1) due to deviation in the installation process is reduced.
2. The novel waterproof plug-free sealing sheath of claim 1, characterized in that: a groove (65) is formed in one surface, close to the clamping sleeve (3), of the rotating block (63), and the groove (65) covers the fixing block (42).
3. The novel waterproof plug-free sealing sheath of claim 1, wherein: the cover is equipped with mount (622) on pivot (621), mount (622) with the outer fixed surface of rotating turret (62) is connected, fixed mounting has spring telescopic link (66) on mount (622), spring telescopic link (66) are kept away from the one end fixed mounting of rotating turret (62) has kicking block (67).
4. The novel waterproof plug-free sealing sheath of claim 1, characterized in that: the appearance of traction block (61) is "U" style of calligraphy, the quantity of haulage rope (64) sets up to two, two haulage rope (64) are kept away from the one end of pivot (621) respectively with the tip fixed connection of traction block (61) vertical portion, annular (623) have been seted up to the surface symmetry of pivot (621), two haulage rope (64) are kept away from the one end of traction block (61) fixed mounting respectively in the inside of annular (623).
5. The novel waterproof plug-free sealing sheath of claim 1, wherein: a rack (7) is fixedly installed on the outer wall of the top end of the sheath (4), and a clamping groove (71) corresponding to the rack (7) is formed in one surface, close to the installing head (1), of the clamping sleeve (3).
6. The novel waterproof plug-free sealing sheath according to claim 5, characterized in that: the rack (7) adopts a 30-degree wedge-shaped design.
7. The novel waterproof plug-free sealing sheath of claim 1, wherein: the hauling cable (64) is made of a steel wire rope.
8. The novel waterproof plug-free sealing sheath according to claim 5, characterized in that: the sheath (4), the fixing block (42) and the rack (7) are metal pieces.
9. The novel waterproof plug-free sealing sheath according to claim 5, characterized in that: the outer surfaces of the sheath (4), the fixing block (42) and the rack (7) and one surface of the cutting sleeve (3) close to the mounting head (1) are coated with wear-resistant coatings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210623012.4A CN115013626B (en) | 2022-06-02 | 2022-06-02 | Novel waterproof plug-free sealing sheath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210623012.4A CN115013626B (en) | 2022-06-02 | 2022-06-02 | Novel waterproof plug-free sealing sheath |
Publications (2)
| Publication Number | Publication Date |
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| CN115013626A CN115013626A (en) | 2022-09-06 |
| CN115013626B true CN115013626B (en) | 2022-12-23 |
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| CN202210623012.4A Active CN115013626B (en) | 2022-06-02 | 2022-06-02 | Novel waterproof plug-free sealing sheath |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN115013626A (en) | 2022-09-06 |
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