Cutting-free type water stop screw

Abstract

The utility model relates to the technical field of water stop screws, and provides a digging-free water stop screw which comprises a middle rod, a digging-free mechanism and an adjusting mechanism. By arranging the horn mouth, after concrete is poured, the horn mouth is taken down, waterproof mortar grouting operation can be directly carried out, excavation of more poured concrete is not needed, damage to a concrete structure and damage to a waterproof layer are avoided, and by arranging the demolding sleeve, the horn mouth can be taken down conveniently after pouring; the flared opening is prevented from being damaged, so that the flared opening is prevented from being adhered to concrete; the threaded rod is covered with the threaded sleeve, so that the threaded rod can be prevented from being exposed, cement paste is prevented from being attached to the threaded rod during concrete pouring, the service life of the threaded rod is prolonged, and follow-up use difficulty is avoided; lubricating oil can be poured between the threaded rod and the threaded sleeve through the lubricating hole.

Description

TECHNICAL FIELD

[0001] The utility model relates to water stop screw technical field, concretely is a kind of free excavation water stop screw. BACKGROUND

[0002] Free excavation water stop screw is an advanced material for waterproof treatment in construction engineering, mainly used in basement, pool, tunnel and other concrete structures needing waterproofing, unlike traditional water stop screw, free excavation water stop screw does not need to be excavated after concrete pouring, simplifying construction process and improving construction efficiency, its core design is the water stop piece welded in the middle of screw, usually circular or square, which can effectively prevent water penetration along the screw, during concrete pouring, water stop piece is tightly combined with concrete, forming a waterproof barrier, after construction is completed, the exposed part of screw can be directly disassembled or retained, without additional excavation, avoiding damage to concrete structure and destruction of waterproof layer caused by excavation in traditional method, free excavation water stop screw has the advantages of easy installation, good waterproof effect, time and material saving, etc., widely used in various waterproof engineering, significantly improving engineering quality and construction efficiency, is an important innovation of modern building waterproof technology.

[0003] According to the search of Chinese utility model publication No. CN221664271U, a water stop screw is disclosed, which is provided with a water stop piece on the wall-penetrating rod. When water flows into the gap between the wall-penetrating rod and the wall body, it is difficult to enter the indoor room due to the obstruction of the water stop piece, thereby achieving the purpose of waterproofing.

[0004] However, there are some problems to be considered when implementing the above technical solutions: first, after pouring concrete, the screw needs to be cut off, and after cutting off, the fracture of the screw is still exposed on the surface of the concrete, which is easy to become a channel for water penetration, so waterproof mortar needs to be used for hole filling operation, and the screw needs to be manually excavated in concrete for grouting operation, resulting in damage to concrete structure and destruction of waterproof layer, second, the threaded rod is exposed, and cement paste will adhere to the threaded rod during concrete pouring, making subsequent operation difficult. UTILITY MODEL CONTENTS

[0005] The utility model contents aim to provide a free excavation water stop screw to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a free excavation water stop screw, comprising a middle rod, a free excavation mechanism and an adjusting mechanism, the center of the middle rod is welded with a water stop piece, the outer side of the middle rod is provided with a free excavation mechanism, and the two ends of the middle rod are provided with adjusting mechanisms.

[0007] Preferably, the non-excavation mechanism comprises a trumpet mouth and a demolding sleeve, the trumpet mouth is sleeved on the outer side of the middle rod, and the trumpet mouth is conical.

[0008] Preferably, the trumpet mouth is externally adhered with the demolding sleeve, and the demolding sleeve is tightly attached to the trumpet mouth.

[0009] Preferably, the adjusting mechanism comprises connecting rods, threaded rods, threaded sleeves, handles, gable cards and lubricating holes, and the two ends of the middle rod are welded with the connecting rods.

[0010] Preferably, the two ends of the connecting rod are welded with the threaded rods, the outer side of the threaded rod is sleeved with the threaded sleeve, one end of the threaded sleeve is welded with the handle, and the surface of the handle is made of rubber.

[0011] Preferably, the other end of the threaded sleeve is rotationally connected with the gable card.

[0012] Preferably, the outer side of the threaded sleeve is provided with the lubricating holes, and the lubricating holes are uniformly distributed on the surface of the threaded sleeve.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] The utility model discloses a trumpet mouth is set up, after pouring concrete, the trumpet mouth is taken down, waterproof mortar grouting operation can be directly carried out, no longer need to excavate after more pouring concrete, avoid concrete structure damage and waterproof layer damage, through setting up demolding sleeve, demolding sleeve is convenient for taking down trumpet mouth after pouring, so that subsequent reuse is avoided, and the trumpet mouth damage leads to building and concrete adhesion after building;

[0015] The utility model discloses a threaded sleeve, threaded sleeve covers threaded rod, can avoid threaded rod exposure, cement paste prevents adhering on threaded rod when pouring concrete, improves threaded rod service life, avoids subsequent use difficulty, and handle is convenient for rotating threaded sleeve, and setting up lubricating hole, and lubricating hole can inject lubricating oil between threaded rod and threaded sleeve, so that threaded rod and threaded sleeve keep lubrication, convenient operation improves service life. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the appearance structure schematic diagram of the utility model.

[0017] Figure 2 It is the explosion structure schematic diagram of the utility model.

[0018] Figure 3 It is the non-excavation mechanism structure schematic diagram of the utility model. Figure 2 A enlarged view.

[0019] Figure 4 It is the non-excavation mechanism structure schematic diagram of the utility model.

[0020] In the figure: 1, the center pole; 2, the water stop piece; 3, the free excavation mechanism; 301, the trumpet mouth; 302, the demolding sleeve; 4, the adjusting mechanism; 401, the connecting rod; 402, the threaded rod; 403, the threaded sleeve; 404, the handle; 405, the gable card; 406, the lubrication hole. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model will be further described in conjunction with the specific embodiments.

[0022] In the description of the utility model, it needs to be explained that the directions or position relations indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like are the directions or position relations shown in the drawings, which are only for the convenience of describing the utility model and simplifying the description, and are not indicative or suggestive of the devices or elements indicated having a specific direction, being constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicative or suggestive of relative importance.

[0023] In the description of the utility model, it needs to be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be broadly understood, for example, "connection" can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium; can be the communication between the two elements inside. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary skilled persons in the art without creative labor belong to the scope of protection of the utility model.

[0025] Please refer to Figures 1-4 The utility model provides an embodiment: a free excavation type water stop screw, which comprises a center pole 1, a free excavation mechanism 3 and an adjusting mechanism 4, the center pole 1 is welded with a water stop piece 2, the outer side of the center pole 1 is provided with the free excavation mechanism 3, and the two ends of the center pole 1 are provided with the adjusting mechanism 4.

[0026] Specifically, the opening-free mechanism 3 comprises a trumpet mouth 301 and a demolding sleeve 302, the trumpet mouth 301 is sleeved on the outer side of the middle rod 1, the trumpet mouth 301 is tapered, after the concrete is poured, the trumpet mouth 301 is removed, and then the waterproof mortar grouting operation can be directly performed, and it is no longer needed to open the concrete after pouring to avoid damage to the concrete structure and damage to the waterproof layer.

[0027] Specifically, the trumpet mouth 301 is adhered with the demolding sleeve 302 on the outer side, the demolding sleeve 302 is closely attached to the trumpet mouth 301, the demolding sleeve 302 facilitates the trumpet mouth 301 to be removed after pouring, so as to be reused subsequently, and damage of the trumpet mouth 301 to the building and adhesion to the concrete is avoided.

[0028] Specifically, the adjusting mechanism 4 comprises a connecting rod 401, a threaded rod 402, a threaded sleeve 403, a handle 404, a gable card 405 and a lubricating hole 406, the connecting rod 401 is welded at both ends of the middle rod 1, the connecting rod 401 can be reused, the waste of the screw rod is reduced, and the material cost is reduced.

[0029] Specifically, the threaded rod 402 is welded at both ends of the connecting rod 401, the threaded sleeve 403 is sleeved on the outer side of the threaded rod 402, and the handle 404 is welded at one end of the threaded sleeve 403, the surface of the handle 404 is made of rubber, the threaded sleeve 403 covers the threaded rod 402, the threaded rod 402 can be prevented from being exposed, the cement paste is prevented from being attached to the threaded rod 402 during pouring of the concrete, the service life of the threaded rod 402 is improved, subsequent use is facilitated, and the threaded sleeve 403 is conveniently rotated through the handle 404.

[0030] Specifically, the gable card 405 is rotationally connected to the other end of the threaded sleeve 403, and the gable card 405 can fix the steel pipe to fix the formwork.

[0031] Specifically, the lubricating hole 406 is formed in the outer side of the threaded sleeve 403, and the lubricating hole 406 is uniformly distributed on the surface of the threaded sleeve 403, lubricating oil can be injected between the threaded rod 402 and the threaded sleeve 403 through the lubricating hole 406, so that the threaded rod 402 and the threaded sleeve 403 are kept lubricated, operation is facilitated, and the service life is improved.

[0032] Working principle: first, the connecting rod 401 is welded at the both ends of the middle rod 1, the connecting rod 401 can be reused, reduces the waste of screw rod, reduces the material cost, then passes through the template, changes the position of the trapezoidal card 405 through the handle 404, the trapezoidal card 405 can fix the steel pipe, so as to fix the template, the threaded sleeve 403 covers the threaded rod 402, which can avoid the threaded rod 402 exposed outside, the cement paste is prevented from adhering to the threaded rod 402 during pouring concrete, the service life of the threaded rod 402 is improved, and subsequent use is avoided, after pouring the concrete, the horn mouth 301 is removed, waterproof mortar grouting operation can be directly carried out, and it is no longer necessary to open up the post-poured concrete, avoid damaging the concrete structure and damaging the waterproof layer, the demolding sleeve 302 facilitates the removal of the horn mouth 301 after pouring, so as to be reused subsequently, avoid the horn mouth 301 damage to cause the building to be adhered to the concrete, after the removal of the water stop screw, the lubricating hole 406 can be used to inject lubricating oil between the threaded rod 402 and the threaded sleeve 403, so as to keep the threaded rod 402 and the threaded sleeve 403 lubricated, facilitate operation and improve the service life.

[0033] The above only describes the embodiments of the present application, and the specific structure and characteristics of the scheme are not described in detail. For those skilled in the art, it is obvious that the present application is not limited to the details of the above exemplary embodiments, and the present application can be realized in other specific forms without departing from the spirit or basic characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims.

Claims

1. A non-excavation water stop screw comprising a middle rod (1), a non-excavation mechanism (3) and an adjusting mechanism (4), characterized in that: The center of the middle rod (1) is welded with a water stop piece (2), the outer side of the middle rod (1) is provided with a non-excavation mechanism (3), and the two ends of the middle rod (1) are provided with an adjusting mechanism (4).

2. A no-dig waterstop screw as defined in claim 1, wherein: The non-excavation mechanism (3) comprises a trumpet mouth (301) and a demolding sleeve (302), the outer side of the middle rod (1) is sleeved with the trumpet mouth (301), and the trumpet mouth (301) is conical.

3. A no-dig waterstop screw as defined in claim 2, wherein: The outer side of the trumpet mouth (301) is adhered with the demolding sleeve (302), and the demolding sleeve (302) is closely combined with the trumpet mouth (301).

4. A no-dig waterstop screw as defined in claim 1, wherein: The adjusting mechanism (4) comprises a connecting rod (401), a threaded rod (402), a threaded sleeve (403), a handle (404), a gable card (405) and a lubricating hole (406), and the two ends of the middle rod (1) are welded with the connecting rod (401).

5. A no-dig waterstop screw as defined in claim 4, wherein: The two ends of the connecting rod (401) are welded with the threaded rod (402), the outer side of the threaded rod (402) is sleeved with the threaded sleeve (403), one end of the threaded sleeve (403) is welded with the handle (404), and the surface of the handle (404) is made of rubber material.

6. A no-dig waterstop screw as defined in claim 4, wherein: The other end of the threaded sleeve (403) is rotationally connected with the gable card (405).

7. A no-dig waterstop screw as defined in claim 4, wherein: The outer side of the threaded sleeve (403) is provided with the lubricating hole (406), and the lubricating holes (406) are uniformly distributed on the surface of the threaded sleeve (403).

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