CN213775995U

CN213775995U - Waterproof plugging bolt

Info

Publication number: CN213775995U
Application number: CN202022819055.9U
Authority: CN
Inventors: 罗强; 冯志坚
Original assignee: Huizhou Yimin Metal Technology Co ltd
Current assignee: Huizhou Yimin Metal Technology Co ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-07-23
Anticipated expiration: 2030-11-30

Abstract

The utility model provides a waterproof shutoff type bolt, this waterproof shutoff type bolt includes: end cap, screw rod and waterproof circle. The bottom surface of the end cap is provided with a bearing groove, and the bottom of the bearing groove of the end cap is provided with a screw connecting groove. The screw rod comprises an upper rod part, a middle rod part and a lower rod part. The upper rod part, the middle rod part and the lower rod part are connected in sequence. The upper rod part is provided with a first threaded ridge, and the first threaded ridge is matched with the threaded connection groove. The side wall of the upper rod part adjacent to the middle rod part is provided with an abutting part. The upper rod part is inserted in the screw connecting groove and is in threaded connection with the end cap, and the abutting part is inserted in the bearing groove and abuts against the end cap. The lower rod part is provided with a second threaded ridge and is used for being in threaded connection with an external nut or a part. The waterproof ring surrounds the outer side of the bearing groove and is connected with the end cap, and the edge of the end cap is bent towards the screw rod and is bent inwards. The waterproof plugging bolt realizes the detachable assembly performance, enlarges the adaptation range and enhances the waterproof plugging performance.

Description

Waterproof plugging bolt

Technical Field

The utility model relates to a technical field of bolt especially relates to a waterproof shutoff type bolt.

Background

Bolts belong to mechanical parts and are generally referred to as cylindrical threaded fasteners used in conjunction with nuts. The fastener is composed of a head part and a screw (a cylinder with external threads), and is matched with a nut to be used for fastening and connecting two parts with through holes. This form of connection is known as a bolted connection. The two parts can be separated by unscrewing the nut from the bolt.

However, present bolt is the integral type shaping setting, and the head (the end cap) and the screw rod of bolt can not be split, leads to the head (the end cap) or the screw rod of bolt can not change alone. Different finished products can not be converted by replacing parts, the reutilization rate of the products is reduced, the finished product stock of the warehouse is large, and the reduction of the stock is not facilitated. And secondly, the bolt is integrally formed, and the material of each part of the bolt is the same. The bolt can not change materials of different parts to reflect different material characteristics, thereby reducing the application range. In addition, manufacturing enterprises often need to install equipment or components on the outer wall of some pipes or channels, and the connection and installation of the two through bolts is an economical and reliable way. However, the installation bolt needs to be drilled and tapped, so how to improve the waterproof sealing performance of the bolt is a technical problem which needs to be solved at present.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide a waterproof plugging bolt for solving the technical problems that the bolt cannot be partially replaced and disassembled, has a small adaptation range and lacks a waterproof and water plugging function.

A waterproof plug-type bolt comprising: end cap, screw rod and waterproof circle. The bottom surface of the end cap is provided with a bearing groove, and the bottom of the bearing groove of the end cap is provided with a screw joint groove. The screw rod comprises an upper rod part, a middle rod part and a lower rod part. The upper rod part, the middle rod part and the lower rod part are connected in sequence. The upper rod part is provided with a first threaded ridge, and the first threaded ridge is matched with the threaded connection groove. And the side wall of the upper rod part adjacent to the middle rod part is provided with an abutting part. The upper rod part is inserted into the screw connection groove and is in threaded connection with the end cap, and the abutting part is inserted into the bearing groove and abuts against the end cap. The lower rod part is provided with a second threaded ridge and is used for being in threaded connection with an external nut or a part. The waterproof ring surrounds the outer side of the bearing groove and is connected with the end cap, and the edge of the end cap is bent towards the screw rod to the inner part.

In one embodiment, the waterproof ring surrounds the central rod portion, and the inner side of the waterproof ring abuts against the outer wall of the central rod portion.

In one embodiment, the end cap is provided with a mounting ring groove, the mounting ring groove is formed around the abutting groove, and the waterproof ring part is inserted into the mounting ring groove and connected with the end cap.

In one embodiment, the end cap is provided with a fixing nail at the bottom of the mounting ring groove, and the fixing nail penetrates into the waterproof ring.

In one embodiment, a plurality of fixing spikes are arranged, and each fixing spike penetrates into the waterproof ring.

In one embodiment, the fixing nails are uniformly distributed on the bottom of the mounting ring groove.

In one embodiment, the central rod portion has a prism structure.

In one embodiment, the maximum width of the mid-bar section is equal to the width of the lower bar section.

In one embodiment, the central rod portion has a hexagonal prism structure.

In one embodiment, the upper rod portion, the middle rod portion and the lower rod portion are integrally formed.

According to the waterproof plugging type bolt, the upper rod part of the screw rod is accommodated through the screw connection groove, so that the threaded connection between the end cap and the screw rod is realized. The end cap and the screw rod can be disassembled and separated, and the user can replace the end cap or the screw rod independently. For example, end caps of the same gauge may accommodate screws of different lengths. Different finished products can be converted by replacing parts, so that the reutilization rate of the products is improved, the finished product stock of a compression warehouse is facilitated, and the iterative ex-warehouse process of the products is accelerated. The abutting part plays a role in indication and protection. When the abutting part abuts against the end cap in the bearing groove, a user can stop screwing the screw rod, so that the upper rod part is prevented from being excessively screwed, and the threaded connection relationship between the upper rod part and the end cap is damaged. The end cap and the screw rod can be made of different materials respectively, so that different material characteristics can be reflected, and the application range is widened. The screw rod penetrates through the through hole of the external part so as to be matched with the nut, so that the fastening assembly of the part is realized. In the process that the screw rod enters the through hole of the external part, the waterproof ring is squeezed into the through hole gap between the part and the screw rod, and therefore the waterproof plugging effect is achieved. The end cap with the edges bent towards the inner portion serves as an indicator. As the user screws the end cap, the user should continue to screw the end cap as the edge portion of the end cap abuts the part surface, and the screw will continue to penetrate into the part through bore until the end cap surface is flattened. At the moment, the waterproof ring is fully extruded into a through hole gap between the part and the screw rod, and the effectiveness and the reliability of waterproof plugging of the part are ensured. The waterproof plugging bolt realizes the detachable assembly performance, enlarges the adaptation range and enhances the waterproof plugging performance.

Drawings

FIG. 1 is a schematic structural view of a waterproof sealing bolt according to an embodiment;

FIG. 2 is a schematic view of a waterproof block bolt according to an embodiment of the invention;

fig. 3 is a schematic sectional view of a waterproof blocking bolt in another embodiment, which is disassembled in structure.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

In the description of the present invention, it is to 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", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Referring to fig. 1 to 3, the present invention provides a waterproof plug bolt 10, wherein the waterproof plug bolt 10 includes: end cap 100, screw 200, and waterproof ring 300. The bottom surface of the end cap 100 is formed with a receiving groove 110, and the bottom of the receiving groove 110 of the end cap 100 is formed with a screw groove 120. The screw 200 includes an upper rod portion 210, a middle rod portion 220, and a lower rod portion 230. The upper rod part 210, the middle rod part 220, and the lower rod part 230 are connected in sequence. The upper rod portion 210 is provided with a first threaded rib, and the first threaded rib is adapted to the threaded groove 120. The upper rod portion 210 is provided with an abutting portion 211 at a side wall adjacent to the middle rod portion 220. The upper rod portion 210 is inserted into the screw groove 120 and screwed to the end cap 100, and the abutting portion 211 is inserted into the receiving groove 110 and abutted to the end cap 100. The lower rod part 230 is provided with a second screw thread rib, and the lower rod part 230 is used for screw coupling with an external nut or part. The waterproof ring 300 surrounds the outside of the receiving groove 110 and is coupled to the end cap 100, and the edge of the end cap 100 is bent inward toward the screw 200.

The waterproof sealing bolt 10 receives the upper rod portion 210 of the screw 200 through the screw groove 120, thereby achieving the threaded connection between the end cap 100 and the screw 200. The cap 100 is detachable from the screw 200, and the user can replace the cap 100 or the screw 200 individually. For example, the same size end cap 100 may accommodate screws 200 of different lengths. Different finished products can be converted by replacing parts, so that the reutilization rate of the products is improved, the finished product stock of a compression warehouse is facilitated, and the iterative ex-warehouse process of the products is accelerated. The abutment 211 serves as indication and protection. When the abutting portion 211 abuts against the end cap 100 in the receiving groove 110, the user can stop screwing the screw 200, so as to avoid over screwing of the upper rod portion 210, and damage to the threaded connection between the upper rod portion 210 and the end cap 100. The end cap 100 and the screw 200 can be made of different materials, so that different material characteristics can be reflected, and the application range can be widened. The screw rod 200 passes through the through hole of the external part so as to be matched with the nut, so that the fastening assembly of the part is realized. In the process that the screw rod 200 enters the through hole of the external part, the waterproof ring 300 is squeezed into the through hole gap between the part and the screw rod 200, so that the waterproof plugging effect is realized. The end cap 100 with its edges bent towards the inner portion serves as an indicator. As the user screws the end cap 100, the user should continue to screw the end cap 100 as the edge portion of the end cap 100 abuts the surface of the part, and the screw 200 will continue to penetrate into the through hole of the part until the surface of the end cap 100 is flattened. At this time, it is shown that the waterproof ring 300 has been sufficiently squeezed into the through hole gap between the part and the screw rod 200, and the effectiveness and reliability of waterproof plugging of the part are ensured. The waterproof plugging bolt 10 realizes the detachable assembly performance, enlarges the adaptation range and enhances the waterproof plugging performance.

The end cap 100 is adapted to abut the part to be tightened to cooperate with the nut to complete the installation and tightening operation. In this embodiment, the end cap 100 is threadedly coupled to the upper shaft portion 210 of the screw 200 through the screw groove 120. The upper rod portion 210 of the screw rod 200 is provided with a first thread ridge to fit the thread groove 120 of the end cap 100, so as to realize the thread connection relationship between the end cap 100 and the screw rod 200. The abutment 211 is used to implement indication and protection functions. When the abutting portion 211 abuts the end cap 100 in the receiving groove 110, the user stops screwing the screw 200, thereby playing an indicating role, and the user stops screwing. Meanwhile, the abutting portion 211 abuts against the end cap 100 in the receiving groove 110, so as to prevent the upper rod portion 210 from continuously drilling into the screw groove 120 too much, that is, prevent the upper rod portion 210 from being screwed too much, and damage the threaded connection relationship between the upper rod portion 210 and the end cap 100.

After the end cap 100 is assembled with the screw rod 200, in order to facilitate the user to screw the waterproof blocking bolt 10, in one embodiment, the end face of the end cap 100 is provided with an adjusting counterbore 150. Specifically, in one embodiment, the adjustment counterbore 150 is a cross-shaped groove. In another embodiment, the adjustment counterbore 150 is a straight groove. Thus, the user can screw the end cap 100 by using a cross or a straight screwdriver, thereby realizing the screwing action of the waterproof plugging bolt. In another embodiment, the end cap 100 has a prismatic configuration. Specifically, the end cap 100 has a hexagonal prism configuration. In this manner, a user may use a tool such as a wrench to turn the end cap 100. So, made things convenient for the user to twist and moved this waterproof shutoff type bolt, promoted the installation and dismantled the convenience.

The screw rod 200 is used for passing through a through hole of a fastened part and is screwed with the part or is screwed with a nut, and the matched end cap 100 and the nut play a role in fastening the fastened part. Upper shank portion 210 is threadably coupled to end cap 100 by providing a first threaded edge. The lower shaft portion 230 is threadedly coupled to an external nut or member by providing a second threaded ridge.

The middle rod part 220 is used for connecting the upper rod part 210 and the lower rod part 230. The user can rotate the screw 200 by twisting the middle rod part 220. Specifically, the user can use a tool such as a pliers or a wrench to grip the middle rod portion 220 for screwing operation. In this way, the upper shank portion 210 or the lower shank portion 230 is prevented from being clamped, which may cause damage to the first thread ridge and the second thread.

In one embodiment, the central rod portion 220 has a prism structure. Further, the maximum width of the middle lever part 220 is equal to the width of the lower lever part 230. Thus, the whole of the screw rod 200 can conveniently pass through the through hole of the fastened part, thereby improving the flexible operation performance. Further, in another embodiment, the central rod portion 220 has a hexagonal prism structure. Like this for well pole portion 220 has the edge edges and corners, thereby be convenient for the user to use tools such as spanner or pliers centre gripping fixed well pole portion 220, promote stability and the reliability that the user screwed the operation. Thus, the user can conveniently screw the screw rod 200, and the installation convenience is improved.

To enhance the structural stability of the screw 200, in one embodiment, the upper rod portion 210, the middle rod portion 220, and the lower rod portion 230 are integrally formed. Thus, the upper rod portion 210, the middle rod portion 220, and the lower rod portion 230 are firm and stable and are not easily separated. So, promoted the structural strength of screw rod 200, ensured the structural stability of screw rod 200.

It will be appreciated that the end cap 100 and the screw 200 may be made of different materials to reflect different material characteristics, thereby improving the application range. For example, the end cap 100 is made of an insulating material, and the screw rod 200 is made of a conductive material, so that the waterproof blocking bolt has the characteristics of partial conductivity and partial insulation to meet the specific requirements of users.

The waterproof ring 300 is used for achieving the waterproof plugging effect. In one embodiment, the waterproof ring 300 is a rubber ring. In the process that the screw rod 200 enters the through hole of the external part, the waterproof ring 300 is squeezed into the through hole gap between the part and the screw rod 200, so that the waterproof plugging effect is realized.

In order to facilitate the waterproof ring 300 to be squeezed into the through hole gap of the fastened part, in one embodiment, the waterproof ring 300 surrounds the center rod portion 220, and the inner side of the waterproof ring 300 abuts against the outer wall of the center rod portion 220. Thus, when the screw 200 enters the through hole of the part, the waterproof ring 300 is easy to be squeezed into the gap between the screw 200 and the through hole of the part. Thus, the waterproof sealing performance of the fastened part is guaranteed.

In order to improve the installation stability of the waterproof ring 300, in one embodiment, the end cap 100 is provided with an installation ring groove 130, the installation ring groove 130 is formed around the abutting groove, and the waterproof ring 300 is partially inserted into the installation ring groove 130 and connected with the end cap 100. Thus, the installation ring groove 130 plays a role of accommodating installation of the waterproof ring 300 and defines an installation fixing position of the waterproof ring 300. So, do benefit to the installation stability who promotes waterproof circle 300, strengthened this waterproof shutoff type bolt 110's structural stability. Further, in order to enhance the connection firmness of the end cap 100 and the waterproof ring 300, in one embodiment, the end cap 100 is provided with fixing spikes 140 at the bottom of the installation ring groove 130, and the fixing spikes 140 penetrate into the waterproof ring 300. Furthermore, a plurality of fixing nails 140 are provided, and each fixing nail 140 penetrates into the waterproof ring 300. In one embodiment, the fixing spikes 140 are uniformly distributed at the bottom of the mounting ring groove 130. In this way, the position of the waterproof ring 300 is fixed by inserting each fixing nail 140 into the waterproof ring 300, so that the waterproof ring 300 is not easily separated from the mounting ring groove 130, and the mounting and fixing effects on the waterproof ring 300 are further enhanced. Like this, promoted the installation stability to waterproof circle 300, promoted this waterproof shutoff type bolt 10's job stabilization nature, reliability.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A waterproof plug type bolt, comprising: an end cap, a screw and a waterproof ring;

the bottom surface of the end cap is provided with a bearing groove, and the bottom of the bearing groove of the end cap is provided with a screw joint groove;

the screw comprises an upper rod part, a middle rod part and a lower rod part; the upper rod part, the middle rod part and the lower rod part are connected in sequence; the upper rod part is provided with a first threaded ridge, and the first threaded ridge is matched with the threaded connection groove; the side wall of the upper rod part adjacent to the middle rod part is provided with an abutting part;

the upper rod part is inserted into the screw connection groove and is in threaded connection with the end cap, and the abutting part is inserted into the bearing groove and abuts against the end cap; the lower rod part is provided with a second threaded ridge and is used for realizing threaded connection with an external nut or part;

the waterproof ring surrounds the outer side of the bearing groove and is connected with the end cap, and the edge of the end cap is bent towards the screw rod to the inner part.

2. The waterproof sealing bolt according to claim 1, wherein said waterproof ring surrounds said shank portion, and an inner side of said waterproof ring abuts against an outer wall of said shank portion.

3. The waterproof plug type bolt of claim 2, wherein the end cap defines a mounting ring groove, the mounting ring groove is defined around the abutting groove, and the waterproof ring portion is inserted into the mounting ring groove and connected to the end cap.

4. The waterproof sealing bolt of claim 3, wherein the end cap is provided with a fixing spike at the bottom of the mounting ring groove, and the fixing spike penetrates into the waterproof ring.

5. The waterproof sealing bolt of claim 4, wherein a plurality of said fixing spikes are provided, each of said fixing spikes penetrating into said waterproof ring.

6. The waterproof sealing bolt of claim 5, wherein each of said fasteners is uniformly distributed across the bottom of said mounting ring groove.

7. The waterproof sealing bolt according to claim 1, wherein said shank is prism-structured.

8. The waterproof sealing bolt of claim 7, wherein the maximum width of the center shank portion is equal to the width of the lower shank portion.

9. The waterproof sealing bolt according to claim 8, wherein said shank is hexagonal prism shaped.

10. The waterproof sealing bolt according to claim 1, wherein the upper rod portion, the middle rod portion and the lower rod portion are integrally formed.