CN219317377U - Waterproof screw - Google Patents

Abstract

The utility model discloses a waterproof screw, which comprises a screwing part and a threaded rod body; the inner surface of the screwing part is inwards recessed to form a conical groove, and the conical groove is used for clamping the sealing rubber ring in; the threaded rod body is arranged in the conical groove and is connected with the screwing part. The waterproof screw provided by the utility model has a simple structure, has a good waterproof effect and is beneficial to use.

Description

Waterproof screw

Technical Field

The utility model relates to the field of screws, in particular to a waterproof screw.

Background

The self-tapping screw generally comprises a threaded rod body, one end of the rod body forms a head, the head is a nut, the upper end face of the nut is provided with a specific combination groove, the common combination groove is in a shape of a line, a cross or a hexagon, and when the screw needs to be disassembled or fastened, the screw is screwed by adopting a corresponding screwdriver.

In the related art, the self-tapping screw is often used outdoors, when rainy or humid weather is met, rainwater is very easy to penetrate between the screw and an object to be connected, so that the screw is rusted, the problem of sliding wire or rust death is easy to occur, the subsequent screw is inconvenient to assemble and disassemble, and the use is affected.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems in the related art to some extent. To this end, the utility model aims to propose a waterproof screw.

To achieve the above object, a waterproof screw according to an embodiment of the present utility model includes:

the inner surface of the screwing part is inwards recessed to form a conical groove, and the conical groove is used for clamping the sealing rubber ring in;

the threaded rod body is arranged in the conical groove and is connected with the screwing part.

The waterproof screw provided by the utility model has a simple structure, has a good waterproof effect and is beneficial to use.

In addition, the waterproof screw according to the above embodiment of the present utility model may have the following additional technical features:

according to one embodiment of the utility model, a screwing groove is formed in the outer surface of the screwing part, and the screwing groove is used for inserting a screwdriver.

According to one embodiment of the utility model, the threaded rod body comprises a threaded end and a connecting end, wherein the connecting end is arranged in the conical groove and is connected with the screwing part, and the threaded end is provided with an external thread.

According to one embodiment of the utility model, the threaded end is provided with a chamfer structure.

According to one embodiment of the utility model, the connecting end is provided with a connecting table, the connecting end is connected to the screwing part through the connecting table, and an annular groove is formed between the connecting table and the outer screw thread.

According to one embodiment of the utility model, the connecting table is matched with the sealing rubber ring and is used for sleeving and installing the sealing rubber ring.

According to one embodiment of the utility model, the screwing groove is in a straight shape or a plum blossom shape.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a first embodiment of the present utility model;

FIG. 2 is a second schematic diagram of an embodiment of the present utility model;

fig. 3 is a usage state reference diagram of an embodiment of the present utility model.

Reference numerals:

a screwing part 10;

a tapered groove 11;

a screwing groove 12;

a threaded shank 20;

a connection end 21;

a connection stage 211;

an annular groove 212;

a threaded end 22;

outer thread 221.

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below are exemplary and intended to illustrate the present utility model and should not be construed as limiting the utility model, and all other embodiments, based on the embodiments of the present utility model, which may be obtained by persons of ordinary skill in the art without inventive effort, are within the scope of the present utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "circumferential", "radial", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The waterproof screw according to the embodiment of the present utility model is described in detail below with reference to the accompanying drawings.

Referring to fig. 1 to 3, the waterproof screw according to the embodiment of the present utility model includes a screwing part 10 and a threaded rod body 20.

The inner surface of the screwing part 10 is concavely formed with a conical groove 11, and the conical groove 11 is used for clamping in the sealing rubber ring.

The threaded rod 20 is disposed in the tapered groove 11 and connected to the screwing part 10.

That is, the threaded rod 20 is connected to the inner surface of the screwing part 10, and a tapered groove 11 is formed around the threaded rod 20 on the inner surface of the screwing part 10, so that the sealing rubber ring sleeved on the threaded rod 20 can be clamped into the tapered groove 11 after being extruded, thereby filling the gap between the connector and the screwing part 10.

Specifically, at the time of assembly, first, by sleeving the seal ring on the threaded rod body 20, and moving the seal ring along the threaded rod body 20 to the end close to the screwing part 10; then pass the screw thread body of rod 20 in proper order in hole or the inslot on the article that needs to connect, further, screw up the portion of screwing 10, make the degree of depth increase that screw thread body of rod 20 inserted in hole or inslot, in this process, the article can extrude the seal rubber circle, owing to be provided with conical groove 11 on the portion of screwing 10, consequently, the seal rubber circle is after receiving the extrusion, the part can be extruded into this conical groove 11, and firm support is on the portion of screwing 10, and, owing to seal rubber circle is big with the area of screwing 10 conflict, consequently, the clearance between the portion of screwing 10 can be filled to the seal rubber circle between the screw thread body of rod 20 and the portion of screwing 10, thereby make seal effect between portion of screwing 10 and the article good, corresponding, just make the rainwater be difficult for getting into in screw and the article, and then avoid the screw rust and influence subsequent dismouting.

The waterproof screw provided by the utility model has a simple structure, has a good waterproof effect, can better prevent rust, and is beneficial to use.

Preferably, in one embodiment of the present utility model, a screwing groove 12 is formed on the outer surface of the screwing part 10, and the screwing groove 12 is used for inserting a screwdriver.

Preferably, in other embodiments of the present utility model, the screwing groove 12 is in a straight shape or a plum blossom shape.

The turning groove 12 of the straight or quincuncial structure can be adapted to different screwdrivers, so that the manipulation of the screw by the corresponding screwdrivers is also facilitated for the connection of the structures to be connected.

Preferably, in one embodiment of the present utility model, the threaded rod 20 includes a threaded end 22 and a connection end 21, the connection end 21 is disposed in the tapered slot 11 and is connected to the screwing part 10, and the threaded end 22 is provided with an external thread 221.

The outer screw thread 221 is matched with the threaded hole on the object to be connected, so that when the threaded rod body 20 is inserted into the threaded hole to a certain depth, the object can squeeze the sealing rubber ring, so that the sealing rubber ring is partially sunk into the conical groove 11, and a gap between the tightening part and the threaded rod body 20 can be filled, so that a waterproof effect is achieved.

Preferably, in one embodiment of the present utility model, the threaded end 22 is provided with a chamfer feature.

The chamfering structure is smooth and has no edges and corners, so that the chamfering structure can conveniently penetrate through two objects to be connected in sequence.

Preferably, in some embodiments of the present utility model, the connection end 21 is provided with a connection platform 211, the connection end 21 is connected to the screwing part 10 through the connection platform 211, and an annular groove 212 is formed between the connection platform 211 and the external screw thread 221.

The external diameter of the connection platform 211 is matched with the external screw thread 221, so that the connection platform 211 can be screwed into an object to be connected along with the threaded rod body 20, and the annular groove 212 between the connection platform 211 and the external screw thread 221 can be used for sleeving and installing a sealing ring, so that the sealing ring can tightly prop against the object to be connected, further sealing effect is achieved, and the use is facilitated.

Preferably, in some embodiments of the present utility model, the connection platform 211 is adapted to the sealing rubber ring, and is used for sleeving and installing the sealing rubber ring.

That is, the outer diameter of the connection table 211 is matched with the inner diameter of the sealing rubber ring, so that the sealing rubber ring is directly sleeved on the connection table 211 when the sealing rubber ring is assembled, and the sealing rubber ring can be attached to the outer wall of the connection table 211, so that the sealing rubber ring can be positioned and installed, and the assembly is facilitated.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims (7)

1. A waterproof screw, comprising:

the inner surface of the screwing part is inwards recessed to form a conical groove, and the conical groove is used for clamping the sealing rubber ring in;

the threaded rod body is arranged in the conical groove and is connected with the screwing part.

2. The waterproof screw according to claim 1, wherein the outer surface of the screwing part is provided with a screwing groove for inserting a screwdriver.

3. The waterproof screw according to claim 1, wherein the threaded rod body comprises a threaded end and a connecting end, the connecting end is arranged in the conical groove and connected with the screwing part, and the threaded end is provided with an outer thread.

4. A waterproof screw according to claim 3, wherein the threaded end is provided with a chamfer formation.

5. The waterproof screw according to claim 4, wherein the connection end is provided with a connection table, the connection end is connected to the screwing part through the connection table, and an annular groove is formed between the connection table and the outer screw thread.

6. The waterproof screw of claim 5, wherein the connection table is adapted to the sealing rubber ring for sleeving and installing the sealing rubber ring.

7. The waterproof screw according to claim 2, wherein the screwing groove is in a straight shape or a plum blossom shape.

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