Waterproof sleeve device
By designing the annular groove and sealing ring structure in the waterproof sleeve device, and combining it with the use of force-bearing fasteners, the problems of the flexible waterproof sleeve material being not corrosion-resistant and the rigid waterproof sleeve leaking due to temperature changes are solved, achieving effective sealing and regulation in complex environments.
Patent Information
- Application Number
- CN202520802157.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-25
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-04-25
AI Technical Summary
Existing flexible waterproof sleeves are not corrosion-resistant and have a short service life, while rigid waterproof sleeves are prone to water seepage and leakage due to changes in ambient temperature. Furthermore, dimensional and positional deviations between the two during installation can affect the sealing effect.
A waterproof sleeve device is designed, comprising a first flow pipe, a second flow pipe, a first flange, a second flange, and a force-bearing fastener. By setting an annular groove on the second flange and combining it with a sealing ring, the force-bearing fastener maintains uniform force on the sealing ring, thus preventing leakage.
It achieves stable sealing performance under temperature changes and vibration environments, avoids water leakage problems, provides good sealing performance and adjustment capabilities, and extends service life.
Smart Images

Figure CN223953499U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to sewage treatment engineering technical field, specifically, it relates to a novel waterproof sleeve device. BACKGROUND
[0002] The waterproof sleeve is also called wall sleeve and wall embedded pipe, with the development of water treatment industry, the waterproof sleeve is an essential sewage treatment facility in sewage treatment engineering process, and the waterproof sleeves used in various types of sewage engineering are divided into two types: one is flexible waterproof sleeve, and the other is rigid waterproof sleeve.
[0003] The flexible waterproof sleeve is a hardware pipe fitting suitable for the vibration or strict waterproof requirement of the structure where the pipeline passes through the wall, the wall at the wall-penetrating position of the flexible waterproof sleeve should be replaced by the concrete wall, and the sleeve should be once solidified in the wall, and the flexible waterproof sleeve is widely used in construction, chemical industry, steel, tap water, sewage treatment and the like.
[0004] The rigid waterproof sleeve is a steel pipe plus a wing ring (a ring-shaped sleeve made of steel plate on the steel pipe), which is installed in the wall (mostly concrete wall) and is used for the general pipeline penetrating the wall, and is beneficial to the waterproof of the wall, and the flexible waterproof sleeve has an inner grommet and the like in addition to the outer wing ring, which is used for the pipeline with shock absorption requirement, such as the pipeline connected with the water pump penetrating the wall.
[0005] The existing two types of waterproof sleeves have defects, the flexible waterproof sleeve has high requirements for the embedded part, and usually has size position deviation, which affects installation, and the material cannot resist corrosion, and the service life is too short for the sewage with high salt content. The utility model discloses a novel waterproof sleeve device.
[0006] In order to overcome the defects in the prior art, the utility model provides a novel waterproof sleeve device.
[0007] The technical scheme adopted by the utility model is as follows:
[0008] A waterproof sleeve device includes a first flow pipe, a second flow pipe, a first flange, a second flange, and a force-bearing fastener. The first flow pipe, the first flange, the second flange, and the second flow pipe are connected sequentially. The second flange has an annular groove, and a sealing ring is disposed within the annular groove. The sealing ring consists of a hollow sealing element with a portion of its interior and a solid sealing element with a portion of its interior. A gasket is disposed between the first flange and the second flange. The first flange, the gasket, and the second flange are fixed together by the force-bearing fastener. The force-bearing fastener includes a screw, a baffle plate, a spring box, a spring, and a nut. The baffle plate is fixed to the screw, one end of the spring box is fixed to the baffle plate, and the other end is fixed to the nut. The spring is disposed within the spring box.
[0009] Preferably, the hollow seal is disposed on the upper part of the sealing ring and has a circular structure; the solid seal is composed of a quadrilateral component in the middle of the sealing ring and a circular component at the lower part of the sealing ring.
[0010] Preferably, the outer diameter of the hollow seal is larger than the outer diameter of the lower circular component of the sealing ring.
[0011] Preferably, the inner diameter of the hollow seal is equal to the outer diameter of the lower circular component of the sealing ring.
[0012] This invention, by setting an annular groove on the second flange and combining it with the special structural design of the sealing ring, not only has a certain degree of sealing performance to effectively prevent leakage, but also provides a certain range of adjustment, ensuring that the force is uniform at each section of the sealing ring during the extrusion process.
[0013] Preferably, the first flow pipe is connected to the first flange by adhesive bonding.
[0014] Preferably, the second flow pipe is connected to the second flange by adhesive bonding.
[0015] Preferably, the first flange, gasket, and second flange are connected to the shear wall via the screws of the force-bearing fasteners.
[0016] Preferably, the annular groove of the second flange is positioned to correspond to the position of the shear wall connection.
[0017] The screw of this utility model is inserted into the shear wall and fixed at one end, and the other end is connected to the first flange and the second flange by a nut and firmly clamped together, while the second flange is squeezed into the shear wall. This utility model can effectively prevent leakage by maintaining a certain pressure on the sealing ring through the force-holding fastener.
[0018] As preferred, the spring is fixed with the spring box by welding.
[0019] The utility model discloses the beneficial effect lies in:
[0020] The utility model discloses simple structure, reasonable in design, and the design of force holding fastener can keep extruding sealing washer under certain pressure all the time, and the special structure design of sealing washer can guarantee that each sealing washer is under uniform stress in the extruding process, not only provides good sealing performance, but also provides a certain range of adjustment area, more effectively avoids material deformation due to temperature difference, avoids the emergence of water seepage and leakage problem. BRIEF DESCRIPTION OF DRAWINGS
[0021] Fig. 1 It is the structure exploded view of the utility model;
[0022] Fig. 2 It is the structure schematic view of the utility model with shear wall assembly;
[0023] Fig. 3 It is the structure schematic view of the second flange of the utility model;
[0024] Fig. 4 It is the structure schematic view of the sealing washer of the utility model;
[0025] Fig. 5 It is Fig. 4 Sectional view of
[0026] Fig. 6 It is the structure exploded view of the force holding fastener of the utility model;
[0027] Illustration:
[0028] 1, first flow pipe, 2, first flange, 3, gasket, 4, second flange, 5, sealing washer, 6, force holding fastener, 7, first flow pipe, 8, shear wall, 9, annular groove, 10, screw rod, 11, baffle, 12, spring box, 13, spring, 14, nut. DETAILED DESCRIPTION
[0029] The utility model will be further described below in connection with the drawings and specific embodiment, but the protection scope of the utility model is not limited to this.
[0030] Reference Figs. 1-6A waterproof sleeve device, the device comprises a first flow pipe 1, a second flow pipe 7, a first flange 2, a second flange 4 and a force holding fastener 6, the first flow pipe 1, the first flange 2, the second flange 4, the second flow pipe 7 are connected in sequence, the second flange 4 is provided with an annular groove 9, and the annular groove 9 is provided with a sealing ring 5; the first flange and the second flange are provided with a gasket 3, the first flange 2, the gasket 3 and the second flange 4 are fixed together through the force holding fastener 6; the force holding fastener comprises a screw rod 10, a baffle 11, a spring box 12, a spring 13 and a nut 14, the baffle 11 is fixed on the screw rod 10, one end of the spring box 12 is fixed with the baffle 11, the other end is fixed with the nut 14, and the spring 13 is arranged in the spring box 12.
[0031] The sealing ring 5 is composed of a hollow sealing element with a hollow part inside and a solid sealing element with a solid part inside; the hollow sealing element is arranged at the upper part of the sealing ring and has a circular structure; the solid sealing element is composed of a quadrilateral member at the middle part of the sealing ring and a circular member at the lower part of the sealing ring.
[0032] The outer diameter of the hollow sealing element is greater than the outer diameter of the circular member at the lower part of the sealing ring; and the inner diameter of the hollow sealing element is equal to the outer diameter of the circular member at the lower part of the sealing ring.
[0033] The utility model discloses a waterproof sleeve device, the device comprises a first flow pipe 1, a second flow pipe 7, a first flange 2, a second flange 4 and a force holding fastener 6, the first flow pipe 1, the first flange 2, the second flange 4, the second flow pipe 7 are connected in sequence, the second flange 4 is provided with an annular groove 9, and the annular groove 9 is provided with a sealing ring 5; the first flange and the second flange are provided with a gasket 3, the first flange 2, the gasket 3 and the second flange 4 are fixed together through the force holding fastener 6; the force holding fastener comprises a screw rod 10, a baffle 11, a spring box 12, a spring 13 and a nut 14, the baffle 11 is fixed on the screw rod 10, one end of the spring box 12 is fixed with the baffle 11, the other end is fixed with the nut 14, and the spring 13 is arranged in the spring box 12.
[0034] The first flow pipe 1 is connected with the first flange 2 by adhesion, and the second flow pipe 7 is connected with the second flange 4 by adhesion.
[0035] The first flange 2, the gasket 3 and the second flange 4 are connected with the shear wall 8 through the screw rod 10 of the force holding fastener.
[0036] The annular groove 9 of the second flange is arranged at a position corresponding to the position of the connection of the shear wall 8.
[0037] One end of the screw rod of the force holding fastener is implanted into the shear wall for fixation, and the other end is used for butt-jointing the first flange and the second flange and tightly clamping them together, and simultaneously extruding the second flange in the shear wall; the utility model can keep a certain pressure on the sealing ring through the force holding fastener, so that the purpose of effectively preventing leakage is achieved.
[0038] The spring 13 and the spring box 12 are fixed by welding.
[0039] The utility model uses when:
[0040] First flow pipe 1 is connected on first flange 2 through the way of sticking, the screw rod 10 of fastener holding force fastener fixes first flange 2, gasket 3 and second flange 4 together, and the other end of screw rod is planted in shear wall.In the slot of second flange 4, sealing ring 5 is clamped, when holding force fastener is being screwed, sealing ring is extruded tightly between second flange and shear wall, and sealing ring can ensure that every section of sealing ring is under uniform stress during extrusion, not only good sealing performance is provided, but also certain amplitude adjustment area is provided, material deformation due to temperature difference is avoided more effectively, simultaneously, holding force fastener can keep certain pressure extruding sealing ring, effectively plays the sealing effect, avoids the emergence of water seepage and leakage problem.The second flow pipe 7 of shear wall other end is connected on second flange 4 through the way of sticking as well.
[0041] The above specific embodiment is used to explain and illustrate the utility model, and is not used to limit the utility model, and any modification and change made to the utility model falls into the protection scope of the utility model within the spirit and the protection scope of claims.
Claims
1. A waterproof sleeve device, characterized by: The device comprises a first flow pipe, a second flow pipe, a first flange, a second flange and a force holding fastener, the first flow pipe, the first flange, the second flange and the second flow pipe are connected in sequence, the second flange is provided with an annular groove, and a sealing ring is arranged in the annular groove; the sealing ring is composed of a hollow sealing element with a hollow interior and a solid sealing element with a solid interior; a gasket is arranged between the first flange and the second flange, and the first flange, the gasket and the second flange are fixed together by the force holding fastener; the force holding fastener comprises a screw rod, a baffle, a spring box, a spring and a nut, the baffle is fixed on the screw rod, one end of the spring box is fixed with the baffle, and the other end of the spring box is fixed with the nut, and the spring is arranged in the spring box.
2. The waterproofing sleeve apparatus of claim 1, wherein: The hollow sealing element is arranged on the upper part of the sealing ring and has a circular structure; the solid sealing element is composed of a quadrilateral member in the middle of the sealing ring and a circular member in the lower part of the sealing ring.
3. The waterproofing sleeve apparatus of claim 2, wherein: The outer diameter of the hollow sealing element is greater than the outer diameter of the circular member in the lower part of the sealing ring.
4. The waterproofing sleeve apparatus of claim 3, wherein: The inner diameter of the hollow sealing element is equal to the outer diameter of the circular member in the lower part of the sealing ring.
5. The waterproofing sleeve apparatus of claim 1, wherein: The first flow pipe is connected with the first flange in a bonding manner.
6. The waterproofing sleeve apparatus of claim 1, wherein: The second flow pipe is connected with the second flange in a bonding manner.
7. The waterproofing sleeve apparatus of claim 1, wherein: The first flange, the gasket, the second flange and the shear wall are connected by the screw rod of the force holding fastener.
8. The waterproofing sleeve apparatus of claim 7, wherein: The position of the annular groove of the second flange corresponds to the position of the connection of the shear wall.
9. The waterproofing sleeve apparatus of claim 1, wherein: The spring and the spring box are fixed by welding.