Detachable rubber waterstop structure of comprehensive pipe gallery deformation joint
By using a rubber waterstop structure with built-in elastic plates and embedded parts at the expansion joints of the integrated utility tunnel, the problem of waterstops being easily damaged during installation and replacement was solved, thereby improving waterproof performance and extending service life.
Patent Information
- Application Number
- CN202423300198.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2034-12-31
AI Technical Summary
The existing waterstops in the expansion joints of integrated utility tunnels are easily damaged during installation and replacement, affecting the waterproofing effect. In addition, the traditional removable waterstops are fixed with bolts, which can lead to breakage.
A removable rubber waterstop structure for expansion joints in integrated utility tunnels is designed. It adopts a built-in elastic plate and embedded parts. The waterstop is pressed tightly by the pressure of the elastic plate and the pressure plate is fixed with bolts to improve the waterproof performance and reduce installation damage.
It improves waterproof performance, simplifies the installation process, extends the service life of the waterstop, reduces the space occupied by the pipe rack, and facilitates the replacement of damaged waterstop components.
Smart Images

Figure CN223660901U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a kind of detachable rubber waterstop structures of utility tunnel deformation joint. BACKGROUND
[0002] Underground utility tunnel refers to the centralized arrangement, unified management of various underground pipelines, facilities and equipment in city underground, a kind of city infrastructure.The construction of utility tunnel makes full use of underground space, reduces the land area of various pipelines and facilities on the ground, improves the utilization efficiency of city space.At present, various cities in China are actively promoting the construction of utility tunnel, and the utility tunnel projects that have been built and planned to build are widespread in the country, with large scale.
[0003] As a long and deep underground structure, utility tunnel needs to set deformation joint every certain distance to ensure the safety of structure.The existence of deformation joint brings serious waterproof problem.
[0004] The utility tunnel deformation waterproof usually adopts middle-buried waterstop, externally-applied waterstop and detachable waterstop.The middle-buried waterstop cannot be replaced after degradation, and the externally-applied waterstop is difficult to remove, while the general detachable waterstop is fixed by penetrating bolt, which inevitably causes damage to the waterstop and affects the waterproof effect. UTILITY MODEL CONTENTS
[0005] Therefore, the utility model aims at overcoming the defects in the prior art and providing a kind of detachable rubber waterstop structure of utility tunnel deformation joint, which has the following advantages: the waterstop is provided with elastic plate, and the waterstop is pressed tightly by the pressure of elastic plate after being fixed by relying on the curved notch of embedded part, which improves the waterproof performance, and the structure is simple and convenient to install, the waterstop is pressed tightly by pressing plate fixed by bolt, which not only guarantees the waterproof performance, but also reduces the installation damage of waterstop and prolongs the service life.
[0006] The utility model adopts the following scheme: a kind of detachable rubber waterstop structure of utility tunnel deformation joint: including embedded part being symmetrically arranged in the two sides of deformation joint, the top between two embedded parts is connected by cover plate, the bottom between two embedded parts is connected by rubber waterstop, the embedded part is installed with the pressure bonding assembly for fixing rubber waterstop.
[0007] Further, the embedded part includes bottom plate, the bottom plate is L-shaped plate, the horizontal part of bottom plate is below, and the vertical part is above, the vertical part end of bottom plate is provided with the bending top plate parallel to the horizontal part of bottom plate, the embedded groove is provided on the edge of utility tunnel body on the two sides of deformation joint corresponding to bottom plate, and the vertical part of bottom plate is fixed on the side away from deformation joint of embedded groove.
[0008] Further, the horizontal part of the bottom plate is provided with an L-shaped embedded steel bar on the lower surface and the outer surface of the vertical part, and the embedded steel bar is embedded in the embedded groove.
[0009] Further, the horizontal part of the bottom plate is provided with an L-shaped embedded steel bar on the lower surface and the outer surface of the vertical part, and the embedded steel bar is embedded in the embedded groove.
[0010] Further, the horizontal part of the bottom plate is provided with an L-shaped embedded steel bar on the lower surface and the outer surface of the vertical part, and the embedded steel bar is embedded in the embedded groove.
[0011] Further, the horizontal part of the bottom plate is provided with an L-shaped embedded steel bar on the lower surface and the outer surface of the vertical part, and the embedded steel bar is embedded in the embedded groove.
[0012] Further, the horizontal part of the bottom plate is provided with an L-shaped embedded steel bar on the lower surface and the outer surface of the vertical part, and the embedded steel bar is embedded in the embedded groove.
[0013] Further, the horizontal part of the bottom plate is provided with an L-shaped embedded steel bar on the lower surface and the outer surface of the vertical part, and the embedded steel bar is embedded in the embedded groove.
[0014] Further, the horizontal part of the bottom plate is provided with an L-shaped embedded steel bar on the lower surface and the outer surface of the vertical part, and the embedded steel bar is embedded in the embedded groove.
[0015] Further, the horizontal part of the bottom plate is provided with an L-shaped embedded steel bar on the lower surface and the outer surface of the vertical part, and the embedded steel bar is embedded in the embedded groove.
[0016] Compared with the prior art, the utility model have following beneficial effect: reasonable in design, the built -in elastic plate of waterstop, relies on the convexity of cambered surface of embedded part and installs fixedly, can be through the pressure of elastic plate and press tightly waterstop, improves waterproof performance, simple structure, convenient installation, only needs to dismount and change waterstop element after the deterioration of rubber waterstop, does not need to replace the rest parts or causes damage to the existing structure, and the built -in of embedded part and waterstop reduces the space occupation to pipe gallery, adopts bolt fixed pressure plate, and then uses pressure plate to press tightly and fix rubber waterstop, guarantees waterproof performance, reduces the installation damage of waterstop, prolongs the life. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is the embodiment structure schematic view of the utility model;
[0018] Figure 2 It is the embodiment structure schematic view of the utility model;
[0019] Figure 3 Figure 1 is a main view structural schematic diagram of a pre-embedded part according to an embodiment of the present application;
[0020] Figure 4 Figure 2 is a three-dimensional structural schematic diagram of a pre-embedded part according to an embodiment of the present application;
[0021] Figure 5 Figure 3 is a structural schematic diagram of a crimping plate according to an embodiment of the present application;
[0022] Figure 6 Figure 4 is a structural schematic diagram of a rubber waterstop according to an embodiment of the present application.
[0023] In the figure: 1, pre-embedded part; 1-1, pre-embedded steel bar; 1-2, cover plate edge groove; 1-3, reserved protrusion; 1-4, bent top plate; 1-5, bottom plate; 1-6, counter-sunk hole; 2, crimping plate; 2-1, crimping reserved groove; 3, rubber waterstop; 3-1, arc-shaped groove waterstop; 3-2, crimping section waterstop; 3-3, reserved transition groove; 3-4, elastic plate; 4, cover plate; 5, crimping bolt; 6, pipe gallery body; 7, deformation joint. DETAILED DESCRIPTION
[0024] The present application will be further described below in conjunction with the accompanying drawings and embodiments.
[0025] It should be noted that the following detailed description is exemplary and is intended to provide further description of the present application. Unless otherwise indicated, all technical and scientific terms used herein have the same meaning as would be commonly understood by one of ordinary skill in the art to which the present application belongs.
[0026] It should be noted that the terms used herein are only for the purpose of describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is intended to include the plural form, and in addition, it should be understood that when the terms "comprise" and / or "include" are used in the specification, they indicate the presence of a feature, step, operation, device, component, and / or combination thereof.
[0027] As Figures 1-6As shown, the utility model discloses the following scheme realizes: a kind of comprehensive pipe gallery deformation joint's detachable rubber waterstop structure: including the pre-embedded part 1 of symmetry setting in the deformation joint 7 both sides, the top between two pre-embedded parts is connected by cover plate 4, the bottom between two pre-embedded parts is connected by rubber waterstop 3, the pre-embedded part is equipped with the crimping assembly for fixing rubber waterstop, when using, first, two pre-embedded parts are pre-embedded in the pipe gallery gallery body 6 of deformation joint both sides, then the both sides of rubber waterstop are crimped in two pre-embedded parts by crimping assembly, the middle part of rubber waterstop covers deformation joint, complete waterproof, finally, the top between two pre-embedded parts is covered by cover plate, can reduce the damage to rubber waterstop caused by sundries falling between two pre-embedded parts.
[0028] In the embodiment, in order to design reasonably, the specific structure of the pre-embedded part is that the pre-embedded part includes a bottom plate 1-5, the bottom plate is an L-shaped plate, the horizontal part of the bottom plate is below and the vertical part of the bottom plate is above, a bending top plate 1-4 parallel to the horizontal part of the bottom plate is arranged on the end of the vertical part of the bottom plate, that is, the pre-embedded part is a channel steel shaped by the L-shaped bottom plate and the bending top plate, a pre-embedded groove corresponding to the bottom plate is arranged on the edge of the pipe gallery gallery body on the two sides of the deformation joint, and the vertical part of the bottom plate is fixed on the side of the pre-embedded groove away from the deformation joint, that is, the slot of the channel steel shaped pre-embedded part faces the middle part of the deformation joint, so that the rubber waterstop can be fixed between the horizontal parts of the bottom plates of the two pre-embedded parts, and the cover plate can be placed between the bending top plates of the two pre-embedded parts.
[0029] In the embodiment, in order to facilitate the fixation of the pre-embedded part in the pre-embedded groove, L-shaped pre-embedded steel bars 1-1 are arranged on the lower surface of the horizontal part and the outer surface of the vertical part of the bottom plate, and the pre-embedded steel bars are pre-embedded in the pre-embedded groove, that is, the pre-embedded part needs to be arranged before the pouring of concrete when the pipe gallery gallery body is constructed, and the pre-embedded part is directly pre-embedded on the edge of the pipe gallery gallery body during construction, so that the pre-embedded groove is correspondingly formed due to the existence of the pre-embedded part, and the L-shaped pre-embedded steel bars are wrapped by the pipe gallery gallery body after the formation of the pipe gallery gallery body, so that the fixation of the pre-embedded part is more reliable.
[0030] In the embodiment, in order to design reasonably, the width of the horizontal part of the bottom plate is greater than the width of the bending top plate, that is, the spacing between the bending top plates of the two pre-embedded parts is greater than the spacing between the horizontal parts of the bottom plates of the two pre-embedded parts, so as to facilitate the construction of the rubber waterstop and the subsequent maintenance work.
[0031] In the embodiment, in order to realize the placement of the cover plate, the bending top plate is provided with a cover plate edge groove 1-2 on the side of the vertical part end of the bottom plate, and the cover plate edge grooves on the two embedded parts form a cover plate limiting groove, the cover plate is installed on the cover plate limiting groove, that is, the cover plate edge groove is a bending step corresponding to the edge of the cover plate, and the two bending steps limit the two side edges of the cover plate respectively, so that the cover plate is placed and fixed, and in the embodiment, the vertical part end of the bottom plate refers to the edge of the bottom plate corresponding to the vertical part end of the L-shaped cross section of the bottom plate, and the horizontal part end of the bottom plate refers to the edge of the bottom plate corresponding to the horizontal part end of the L-shaped cross section of the bottom plate.
[0032] In the embodiment, in order to realize the installation of the rubber waterstop, the specific structure of the rubber waterstop is that the rubber waterstop includes an arc-shaped groove waterstop 3-1 arranged corresponding to the deformation joint, the arc-shaped groove waterstop is clamped on the upper end of the deformation joint, the arc-shaped groove waterstop has an arc opening upward, and the arc-shaped groove waterstop is provided with outwardly extending crimped segment waterstops 3-2 on the two sides, the crimped segment waterstops are crimped on the horizontal part of the bottom plate, and the arc-shaped groove waterstop is embedded with a resilient plate 3-4, the rubber waterstop of the embodiment can have two forms, one is that the rubber waterstop is initially flat, the resilient plate is embedded in the middle part of the body of the rubber waterstop, and the two sides are conventional rubber waterstops, that is, the crimped segment waterstops, in use, the two sides of the body of the rubber waterstop are fixed on the bottom plate, then the body of the middle part with the resilient plate is pressed into the deformation joint, so that the body with the resilient plate becomes the arc-shaped groove waterstop, and due to the elasticity of the resilient plate, the two sides of the arc-shaped groove waterstop are outwardly supported on the wall surface of the deformation joint, so that the arc-shaped groove waterstop covers the deformation joint; the other form is that the middle part of the body of the rubber waterstop is made into the arc-shaped groove waterstop with the arc-shaped resilient plate during production, and the arc-shaped groove waterstop is provided with conventional rubber waterstops, that is, the crimped segment waterstops, at this time, the arc-shaped opening width of the arc-shaped groove waterstop should be greater than the width of the deformation joint, so that when the arc-shaped groove waterstop is used, due to the fact that the arc-shaped opening width of the arc-shaped groove waterstop should be greater than the width of the deformation joint, when the arc-shaped groove waterstop is pressed into the deformation joint, the two sides of the arc-shaped groove waterstop are outwardly supported on the wall surface of the deformation joint, so that the arc-shaped groove waterstop covers the deformation joint, and the waterproof effect is improved, no matter which form is used, as long as the resilient plate rebounds to press the edge of the arc-shaped groove waterstop of the middle part against the wall surface of the deformation joint, it should belong to the protection range of the structure.
[0033] In the embodiment, due to the fact that the arc-shaped groove waterstop can be deformed within a certain range under the action of the elasticity, more waterstop deformation space is reserved, and the damage of the waterstop caused by the displacement of the pipe gallery structure on the two sides of the deformation joint is reduced.
[0034] In the embodiment, in order to avoid the elastic plate from being pressed into the deformation joint and causing the arc-shaped groove waterstop to pop up and separate from the deformation joint due to the elasticity of the elastic plate, a reserved protrusion 1-3 for clamping the rubber waterstop is arranged on the end of the horizontal part of the bottom plate and extends into the deformation joint, which prepares for the next step of the construction of the rubber waterstop, and a reserved transition groove 3-3 is arranged between the two sides of the arc-shaped groove waterstop and the edges of the corresponding compression joint waterstop, that is, due to the reserved protrusion, when the arc-shaped groove waterstop is pressed into the deformation joint, the edge of the elastic plate of the arc-shaped groove waterstop should be pressed below the reserved protrusion, so that the reserved protrusion can resist the edge of the elastic plate and avoid the elastic plate from coming out, thereby playing a role in restraining the rubber waterstop, and at this time, the reserved transition groove is naturally formed at the connection between the edge of the compression joint waterstop and the edge of the arc-shaped groove waterstop due to the reserved protrusion, and the rubber waterstop is more closely attached to the deformation joint.
[0035] In the embodiment, in order to realize the compression of the compression joint waterstop in the corresponding embedded part, the compression assembly includes a compression plate 2 located between the bottom plate and the bent top plate, the compression plate and the horizontal part of the bottom plate jointly clamp the compression joint waterstop, and a plurality of vertical compression bolts 5 are screwed on the bent top plate, the bent top plate can be provided with countersunk holes 1-6 corresponding to the compression bolts, and the lower ends of the compression bolts penetrate the bent top plate and abut against the compression plate, so that the compression plate and the horizontal part of the bottom plate jointly clamp the compression joint waterstop through the compression bolts abutting against the compression plate.
[0036] In the embodiment, in order to facilitate the positioning of the compression bolts, a compression reserved groove 2-1 is arranged on the compression plate corresponding to the lower end of the compression bolt.
[0037] During installation, first, the two ends of the rubber waterstop are placed in the notched groove of the embedded part, then the arc-shaped groove waterstop is pressed into the deformation joint of the pipe gallery, the rubber waterstop is restrained and fixed by relying on the rebound force of the elastic plate and the reserved protrusion of the embedded part, and then the compression plate is placed on the compression joint waterstop of the rubber waterstop; the position of the compression plate is positioned by the compression bolt reserved groove, the compression bolts are tightened to complete the installation of the structure; finally, the cover plate is covered to reduce the damage to the rubber waterstop caused by the falling of sundries into the deformation joint; when the rubber waterstop is replaced, only the compression bolts need to be loosened, the compression plate is removed, and the replacement is completed.
[0038] Any of the above technical solutions of the utility model discloses, if it discloses numerical range except declaration, then the numerical range disclosed is preferred numerical range, and any person skilled in the art should understand that: preferred numerical range is only the numerical value that the technical effect is obvious or representative in many implementable numerical values. Because the numerical value is more, cannot be exhausted, so the utility model discloses partial numerical value to illustrate the technical scheme of the utility model by example, and the numerical value enumerated above should not constitute the restriction of the protection scope of the utility model.
[0039] If the words such as "first", "second" are used to limit the components in the present application, those skilled in the art should know that: the use of "first", "second" is only for the convenience of distinguishing the components, and the above words have no special meaning unless otherwise stated.
[0040] If the utility model discloses or involves mutually fixed connection components or structural members, except declaration, the fixed connection can be understood as: detachable fixed connection (for example, bolt or screw connection), and can also be understood as: non-detachable fixed connection (for example, riveting, welding), of course, the mutual fixed connection can also be replaced by integral structure (for example, integrally formed by using casting process) (except that integral forming process is obviously unavailable).
[0041] In addition, the position relationship such as "vertical", "horizontal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like used in any of the above technical solutions of the utility model for indicating the orientation or position relationship is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the patent, and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, therefore it cannot be understood as a limitation of the patent, and the shape-related terms used in any of the above technical solutions of the utility model include shapes similar, similar or close to the shape unless otherwise stated.
[0042] Any component provided by the utility model can be assembled from multiple individual components, or can be a single component manufactured by integral forming process.
[0043] It should be noted that the above examples are used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the specific embodiments of the present application can be modified or some technical features can be replaced by equivalent ones; without departing from the spirit of the technical solutions of the present application, they should be covered in the technical solution range claimed by the present application.
Claims
1. A detachable rubber waterstop structure for expansion joints in integrated utility tunnels, characterized in that: It includes embedded parts symmetrically arranged on both sides of the expansion joint. The tops of the two embedded parts are connected by a cover plate, and the bottoms of the two embedded parts are connected by a rubber waterstop. A pressing assembly for fixing the rubber waterstop is installed inside the embedded parts.
2. The detachable rubber waterstop structure according to claim 1, characterized in that: The embedded component includes a base plate, which is an L-shaped plate with a horizontal part at the bottom and a vertical part at the top. A bent top plate parallel to the horizontal part of the base plate is provided at the end of the vertical part of the base plate. Embedded grooves are provided on the edges of the pipe gallery on both sides of the expansion joint, corresponding to the base plate. The vertical part of the base plate is fixed to the side of the embedded groove away from the expansion joint.
3. The detachable rubber waterstop structure according to claim 2, characterized in that: L-shaped embedded steel bars are provided on the lower surface of the horizontal part and the outer surface of the vertical part of the base plate, and the embedded steel bars are embedded in the embedded groove.
4. The detachable rubber waterstop structure according to claim 2, characterized in that: The width of the horizontal portion of the base plate is greater than the width of the bent top plate.
5. The detachable rubber waterstop structure according to claim 2, characterized in that: A cover plate edge groove is provided on the side of the vertical part away from the bottom plate of the bent top plate. The cover plate edge grooves on the bent top plates of the two pre-embedded parts together form a cover plate limiting groove, and the cover plate is installed on the cover plate limiting groove.
6. The detachable rubber waterstop structure according to claim 2, characterized in that: The horizontal end of the base plate is provided with a reserved protrusion that extends out of the pre-embedded groove to hold the rubber waterstop.
7. The detachable rubber waterstop structure according to claim 6, characterized in that: The rubber waterstop includes an arc-shaped groove waterstop corresponding to the deformation joint. The arc-shaped groove waterstop is snapped onto the upper end of the deformation joint. On both sides of the arc-shaped groove waterstop, there are outwardly extending press-fit sections of the waterstop. The press-fit sections of the waterstop are press-fitted onto the horizontal part of the base plate. An elastic plate is embedded in the arc-shaped groove waterstop.
8. The detachable rubber waterstop structure according to claim 7, characterized in that: The two sides of the arc-shaped groove waterstop are provided with reserved transition grooves that match the reserved protrusions between the edges of the corresponding pressing section waterstop.
9. The detachable rubber waterstop structure according to claim 7, characterized in that: The pressing assembly includes a pressing plate, which together with the horizontal part of the base plate clamps the pressing section waterstop. Several vertical pressing bolts are screwed onto the bent top plate, and the lower ends of the pressing bolts penetrate the bent top plate and abut against the pressing plate.
10. The detachable rubber waterstop structure according to claim 9, characterized in that: The pressing plate is provided with a pressing groove at the lower end corresponding to the pressing bolt.