Guardrail corner connector and guardrail
By designing a guardrail corner connection with an integrated right-angle structure and bolt and nut fastening method, the problems of pipe damage and interface rust caused by traditional guardrail corner connections are solved, and higher strength, aesthetics and durability are achieved.
Patent Information
- Application Number
- CN202421452631.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-24
- Publication Date
- 2025-04-08
- Estimated Expiration
- 2034-06-24
AI Technical Summary
The traditional corner connections of the guardrail are fixed with self-tapping and self-drilling screws, which leads to damage to the pipe structure and rust on the interface, affecting the overall strength and aesthetics of the guardrail.
A guardrail corner connection is designed, and a right-angle structure in which the first plug and the second plug are integrated, and fixed by the fastening method of bolts and nuts, avoiding the use of self-tapping and self-drilling screws.
Improves the overall strength and aesthetics of the guardrail, avoids rust on the interface, simplifies the installation process, and improves the durability and service life of the connectors.
Smart Images

Figure CN222731245U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of guardrails, and in particular to a guardrail corner connector and a guardrail equipped with the corner connector. Background Art
[0002] Traditional guardrail corner connectors are usually fixed to the ends of guardrail pipes using self-drilling screws, but this method has many disadvantages, such as damaging the pipe structure and being prone to rust, which affects the overall strength and aesthetics of the guardrail. Therefore, it is necessary to design a new type of guardrail corner connector to overcome the shortcomings of the existing technology. Utility Model Content
[0003] In view of the above, the utility model provides a guardrail corner connector and a guardrail, which improves the overall strength and aesthetics of the guardrail by optimizing the connection method and structural design.
[0004] The technical solution of this utility model:
[0005] The utility model provides a guardrail corner connector, comprising a first connector and a second connector, the first connector and the second connector are integrally connected to form a right-angle connection structure, so as to be respectively plugged into the end of the guardrail tube; a first fixing hole is provided at the corner end of the first connector, a first nut hole is formed in the plug-in end of the first connector, so as to fix the first nut, the first fixing hole and the first nut hole are arranged coaxially, so as to pass through the first bolt and be fastened to the first nut; a second fixing hole is provided at the corner end of the second connector, a second nut hole is formed in the plug-in end of the second connector, so as to fix the second nut, the second fixing hole and the second nut hole are arranged coaxially, so as to pass through the second bolt and be fastened to the second nut.
[0006] Furthermore, it also includes a corner socket integrally connected to the right-angle connection between the first connector and the second connector, and the corner socket is formed with a first plug-in groove and a second plug-in groove for plugging the end of the guardrail tube.
[0007] Furthermore, the first plug-in slot and the second plug-in slot are square slots or circular slots.
[0008] Furthermore, the corner socket connector bisects the right angle between the first connector and the second connector.
[0009] Furthermore, the shapes of the first connector and the second connector are compatible with the shape of the inner cavity of the guardrail tube.
[0010] Furthermore, the first connector and the second connector both adopt a square structure or a cylindrical structure.
[0011] Furthermore, one or two first fixing holes are provided, and correspondingly, one or two first nut holes are provided; one or two second fixing holes are provided, and correspondingly, one or two second nut holes are provided.
[0012] Furthermore, the first connector, the second connector and the corner connector are integrally formed of metal or plastic.
[0013] The utility model provides a guardrail, comprising a horizontal guardrail tube, a vertical guardrail tube and the guardrail corner connecting piece, wherein the horizontal guardrail tube and the vertical guardrail tube are fixedly connected via the guardrail corner connecting piece.
[0014] Furthermore, two horizontal guardrail tubes and two vertical guardrail tubes are connected by four guardrail corner connectors to form a square frame, and a plurality of connecting tubes are connected between the two horizontal guardrail tubes.
[0015] The beneficial effects of the guardrail corner connector provided by the utility model are:
[0016] 1. Improve aesthetics
[0017] The guardrail corner connector provided by the utility model focuses on aesthetics in design. Its integrated right-angle connection structure makes the connector and the guardrail coordinated and unified, improving the overall visual effect of the guardrail. In addition, the surface of the connector can be sprayed or electroplated to adapt to different environments and aesthetic requirements, further enhancing its aesthetics.
[0018] 2. Enhance structural strength
[0019] The utility model adopts a design in which the first connector and the second connector are connected in one piece, forming a strong right-angle connection structure. This structure can effectively resist the effects of external forces, such as wind force, collision, etc., thereby improving the stability and safety of the guardrail. At the same time, the fastening method of bolts and nuts ensures a firm connection between the connector and the guardrail pipe, further enhancing the overall structural strength.
[0020] 3. Avoid rust on the interface
[0021] Traditional guardrail corner connectors are often fixed with self-drilling screws, which can easily damage the pipe and cause rust at the interface. The utility model avoids the use of self-drilling screws. By installing the screws inside the connector, it not only avoids the problem of damaging the pipe, but also effectively reduces the possibility of rust at the interface. This design significantly improves the durability and service life of the connector.
[0022] 4. Simplify the installation process
[0023] Because of the fastening method of bolts and nuts, the installer only needs to align the connector with the guardrail pipe and fasten it with bolts and nuts. This installation method is simple and easy, and does not require special installation tools or skills, which greatly simplifies the installation process and improves installation efficiency.
[0024] To sum up, the guardrail corner connector provided by the utility model shows remarkable beneficial effects in terms of aesthetics, structural strength, rust resistance, installation convenience and adaptability, and provides a more reliable and efficient solution for the installation and use of the guardrail.
[0025] The preferred implementation scheme of the utility model and its beneficial effects will be further described in detail in conjunction with specific implementation methods. BRIEF DESCRIPTION OF THE DRAWINGS
[0026] The accompanying drawings are used to provide a further understanding of the utility model and constitute a part of the specification. Together with the following specific embodiments, they are used to explain the utility model, but should not constitute a limitation of the utility model.
[0027] Figure 1 This is a first-perspective stereoscopic view of the corner connector of the guardrail of the utility model;
[0028] Figure 2 This is a second perspective stereoscopic image of the corner connector of the guardrail of the utility model;
[0029] Figure 3 This is a third-angle perspective view of the corner connector of the guardrail of the present invention;
[0030] Figure 4 This is a front view of the corner connector of the guardrail of the utility model;
[0031] Figure 5 It is a three-dimensional diagram of the guardrail of the utility model;
[0032] Figure 6 for Figure 5 A magnified view of part A;
[0033] Figure 7 It is a partial enlarged view of the guardrail of the utility model;
[0034] Figure 8 It is an exploded view of the guardrail of the utility model.
[0035] Description of the accompanying drawings: corner guardrail connector 10, first plug-in connector 1, second plug-in connector 2, first fixing hole 11, first nut hole 12, second fixing hole 21, second nut hole 22, corner socket connector 3, first plug-in slot 31, second plug-in slot 32, horizontal guardrail tube 4, vertical guardrail tube 5, connecting tube 6. DETAILED DESCRIPTION
[0036] The specific implementation of the present invention is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described here is only used to illustrate and explain the present invention, and is not used to limit the present invention.
[0037] See also Figures 1 to 4 The utility model provides a guardrail corner connector 10, including a first connector 1 and a second connector 2. The first connector 1 and the second connector 2 are integrally connected to form a right-angle connection structure so as to be respectively plugged into the end of the guardrail tube. A first fixing hole 11 is provided at the corner end of the first connector 1, and a first nut hole 12 is formed in the plug-in end of the first connector 1 for fixing the first nut. The first fixing hole 11 and the first nut hole 12 are arranged coaxially so as to pass through a first bolt and fasten with the first nut. A second fixing hole 21 is provided at the corner end of the second connector 2, and a second nut hole 22 is formed in the plug-in end of the second connector 2 for fixing the second nut. The second fixing hole 21 and the second nut hole 22 are arranged coaxially so as to pass through a second bolt and fasten with the second nut.
[0038] The beneficial effects of the guardrail corner connector provided by the utility model are:
[0039] 1. Improve aesthetics
[0040] The guardrail corner connector provided by the utility model focuses on aesthetics in design. Its integrated right-angle connection structure makes the connector and the guardrail coordinated and unified, improving the overall visual effect of the guardrail. In addition, the surface of the connector can be sprayed or electroplated to adapt to different environments and aesthetic requirements, further enhancing its aesthetics.
[0041] 2. Enhance structural strength
[0042] The utility model adopts a design in which the first connector 1 and the second connector 2 are connected in one piece, forming a strong right-angle connection structure. This structure can effectively resist the effects of external forces, such as wind force, collision, etc., thereby improving the stability and safety of the guardrail. At the same time, the fastening method of bolts and nuts ensures a firm connection between the connector and the guardrail pipe, further enhancing the overall structural strength.
[0043] 3. Avoid rust on the interface
[0044] Traditional guardrail corner connectors are often fixed with self-drilling screws, which can easily damage the pipe and cause rust at the interface. The utility model avoids the use of self-drilling screws. By installing the screws inside the connector, it not only avoids the problem of damaging the pipe, but also effectively reduces the possibility of rust at the interface. This design significantly improves the durability and service life of the connector.
[0045] 4. Simplify the installation process
[0046] Because of the fastening method of bolts and nuts, the installer only needs to align the connector with the guardrail pipe and fasten it with bolts and nuts. This installation method is simple and easy, and does not require special installation tools or skills, which greatly simplifies the installation process and improves installation efficiency.
[0047] To sum up, the guardrail corner connector provided by the utility model shows remarkable beneficial effects in terms of aesthetics, structural strength, rust resistance, installation convenience and adaptability, and provides a more reliable and efficient solution for the installation and use of the guardrail.
[0048] In this embodiment, the utility model guardrail corner connector 10 also includes a corner socket 3 integrally connected to the right angle connection of the first plug-in connector 1 and the second plug-in connector 2, and the corner socket 3 is formed with a first plug-in slot 31 and a second plug-in slot 32 for plugging the end of the guardrail pipe. The first plug-in slot 31 and the second plug-in slot 32 are square slots to achieve plug-in with the square guardrail pipe. In addition, the first plug-in slot 31 and the second plug-in slot 32 can also be circular slots to achieve plug-in with the circular guardrail pipe. The corner socket 3 bisects the right angle between the first plug-in connector 1 and the second plug-in connector 2. When the first plug-in connector 1 is plugged into the end of the guardrail pipe, the end of the guardrail pipe can be inserted into the first plug-in slot 31 to be hidden, which can protect the end of the guardrail pipe, reduce rust, and avoid the sharp edge formed by cutting the end of the guardrail pipe from causing harm to people, thereby improving the safety of the guardrail, while avoiding the problem of unsightly appearance caused by exposed burrs at the end of the guardrail pipe, thereby improving the aesthetics of the guardrail. By adding an integrally connected corner socket 3, the guardrail corner connector of the utility model forms a more stable structure at the right-angle connection. This design not only enhances the overall strength of the connector, but also effectively resists the action of external forces, thereby improving the overall stability of the guardrail. Since the corner socket 3 is integrally connected with the first plug-in connector 1 and the second plug-in connector 2, its position is fixed and accurate. This ensures that the guardrail tube can be accurately docked when inserted into the plug-in slot, improving the accuracy and stability of the connection.
[0049] The shapes of the first connector 1 and the second connector 2 are adapted to the hollow shape of the guardrail tube to achieve tight plug-in fixation. In this embodiment, the first connector 1 and the second connector 2 both adopt a square structure to achieve plug-in with a square guardrail tube. In addition, the first connector 1 and the second connector 2 can also adopt a cylindrical structure to achieve plug-in with a round guardrail tube.
[0050] One or two first fixing holes 11 may be provided, and correspondingly, one or two first nut holes 12 may be provided. One or two second fixing holes 21 may be provided, and correspondingly, one or two second nut holes 22 may be provided.
[0051] The first plug connector 1 and the second plug connector 2 are integrally formed of metal or plastic. The first plug connector 1, the second plug connector 2 and the corner socket connector 3 are integrally formed of metal or plastic. This is simple to manufacture, convenient for mass production, and has good structural strength.
[0052] See also Figures 5 to 8 The utility model is necessary to provide a guardrail using the above-mentioned guardrail corner connector 10, including a horizontal guardrail tube 4 and a vertical guardrail tube 5, and the horizontal guardrail tube 4 and the vertical guardrail tube 5 are fixedly connected through the above-mentioned guardrail corner connector 10.
[0053] Two horizontal guardrail tubes 4 and two vertical guardrail tubes 5 are connected by four guardrail corner connectors 10 to form a square frame, and a plurality of connecting tubes 6 are connected between the two horizontal guardrail tubes 4 .
[0054] The guardrail provided by the utility model achieves improvements in structural stability, installation convenience and safety performance and expands applicable scenarios by applying the guardrail corner connector 10.
[0055] In the description of the present invention, it should be noted that the terms "upper", "lower", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying importance; the words "bottom surface" and "top surface", "inside" and "outside" refer to the geometric direction toward or away from a specific component, respectively.
[0056] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a connection between the insides of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. In addition, in the description of the present invention, unless otherwise specified, "plurality" means two or more.
[0057] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A guardrail corner connector, characterized in that: The invention comprises a first plug-in connector (1) and a second plug-in connector (2), wherein the first plug-in connector (1) and the second plug-in connector (2) are integrally connected to form a right-angle connection structure for being respectively plugged into the end of a guardrail pipe; a first fixing hole (11) is provided at a corner end of the first plug-in connector (1), a first nut hole (12) is formed in the plug-in end of the first plug-in connector (1) for fixing a first nut, the first fixing hole (11) and the first nut hole (12) are arranged coaxially with the first nut hole (12) for passing a first bolt to be fastened with the first nut; a second fixing hole (21) is provided at a corner end of the second plug-in connector (2), a second nut hole (22) is formed in the plug-in end of the second plug-in connector (2) for fixing a second nut, the second fixing hole (21) and the second nut hole (22) are arranged coaxially with the second nut hole (22) for passing a second bolt to be fastened with the second nut.
2. The guardrail corner connector according to claim 1, characterized in that: It also includes a corner socket (3) integrally connected to the right-angle connection between the first plug-in connector (1) and the second plug-in connector (2), the corner socket (3) being formed with a first plug-in slot (31) and a second plug-in slot (32) for plugging in the end of the guardrail pipe.
3. The guardrail corner connector according to claim 2, characterized in that: The first plug-in slot (31) and the second plug-in slot (32) are square slots or circular slots.
4. The guardrail corner connector according to claim 2, characterized in that: The corner sleeve (3) bisects the right angle between the first plug-in connector (1) and the second plug-in connector (2).
5. The guardrail corner connector according to claim 1, characterized in that: The shapes of the first plug-in connector (1) and the second plug-in connector (2) are compatible with the shape of the inner cavity of the guardrail tube.
6. The guardrail corner connector according to claim 1, characterized in that: The first plug connector (1) and the second plug connector (2) both adopt a square structure or a cylindrical structure.
7. The guardrail corner connector according to claim 1, characterized in that: One or two first fixing holes (11) are provided, and correspondingly, one or two first nut holes (12) are provided; one or two second fixing holes (21) are provided, and correspondingly, one or two second nut holes (22) are provided.
8. The guardrail corner connector according to claim 1, characterized in that: The first plug connector (1), the second plug connector (2) and the corner socket connector (3) are integrally formed of metal or plastic.
9. A guardrail, characterized in that: It comprises a transverse guardrail tube (4), a vertical guardrail tube (5) and a guardrail corner connector as described in any one of claims 1 to 8, wherein the transverse guardrail tube (4) and the vertical guardrail tube (5) are fixedly connected via the guardrail corner connector.
10. The guardrail according to claim 9, characterized in that: Two horizontal guardrail tubes (4) and two vertical guardrail tubes (5) are connected via four guardrail corner connectors to form a square frame, and a plurality of connecting tubes (6) are connected between the two horizontal guardrail tubes (4).