Three-way connector for guardrail

Abstract

The utility model discloses a three-way connector for a guardrail, and relates to the technical field of highway guardrail installation. The device comprises a connecting shell and an adjusting mechanism, the adjusting mechanism comprises a connecting base, the connecting base is fixedly installed in the connecting shell, the upper surface of the connecting base is rotationally connected with a rotating rod, the bottom surface of the connecting base is fixedly connected with a connecting frame, and the connecting frame comprises two sets of fixing plates; one ends of the two fixing plates are fixedly connected with the bottom surface of the connecting base, and an included angle of a certain degree is formed between the two fixing plates. Through the arrangement of the connecting base, the connecting frame, the driving bevel gear, the first conical column, the driven bevel gear, the first screw rod, the spring sleeve, the sliding rod, the rotating rod, the spiral plate, the fixing plate, the second screw rod and the second conical column, a worker can rapidly install the handrail at the corner, and installation and disassembly are convenient; and meanwhile, the device can adapt to handrails of different sizes, and the applicability of the device is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of highway guardrail installation, in particular to a three-way joint used for the guardrail. Background Art

[0002] At present, the existing railings are widely used, mainly in various outdoor and indoor railing connections. For the connection method of the railing at the corner, a three-way joint is usually used to weld or bolt the ends of the railing at the corner together.

[0003] The existing connection method has the following main problems: on-site welding or bolt fixing is required, which is not only inconvenient to install but also difficult to relocate; it needs to be polished according to a fixed size, which is inconvenient to fix guardrails of different sizes. Utility Model Content

[0004] The utility model aims to provide a three-way joint for guardrails, which solves the problem that the existing connection technology is not only inconvenient to install, but also difficult to relocate, and needs to be polished according to fixed sizes, which is inconvenient to fix guardrails of different sizes.

[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model discloses a three-way joint for a guardrail, comprising a connecting shell and an adjusting mechanism, wherein the adjusting mechanism comprises a connecting seat, the connecting seat is fixedly installed inside the connecting shell, the upper surface of the connecting seat is rotatably connected with a rotating rod, the bottom surface of the connecting seat is fixedly connected with a connecting frame, the connecting frame comprises a fixing plate, the fixing plates are provided with two groups, one end of the two groups of fixing plates is fixedly connected to the bottom surface of the connecting seat, one end of the two groups of fixing plates is fixedly connected with a spiral plate, one end of the rotating rod is fixedly connected with an active bevel gear, and the active bevel gear is provided on the outer side of the fixing plate.

[0007] A first spiral rod is fixedly connected inside the active bevel gear, one end of the first spiral rod is fixedly connected to a first conical column, a second spiral rod is spirally connected inside the spiral plate, one end of the second spiral rod is fixedly connected to a driven bevel gear, the driven bevel gear is meshed with the active bevel gear, and the other end of the second spiral rod is fixedly connected to a second conical column.

[0008] The connecting shell is provided with three connecting ports, and the first conical cylinder and the second conical cylinder are both arranged inside the connecting ports, and a plurality of sliding rods are slidably connected to the inner side of the connecting ports, and one end of the sliding rod is fixedly connected to a spring sleeve, and one end of the spring sleeve is sleeved on the outer side of one end of the first conical cylinder and the second conical cylinder; by arranging a connecting seat, a connecting frame, an active bevel gear, a first conical cylinder, a driven bevel gear, a first spiral rod, a spring sleeve, a sliding rod, a rotating rod, a spiral plate, a fixed plate, a second spiral rod and a second conical cylinder, the staff can realize the rapid installation of the railing at the corner, and the installation and disassembly are convenient, and at the same time it can adapt to railings of different sizes, thereby improving the applicability of the device.

[0009] One end of the rotating rod is fixedly connected with a handle, and the handle is arranged on the outer side of the connecting shell.

[0010] The utility model has the following beneficial effects:

[0011] The utility model can realize the rapid installation of the railing at the corner by the staff through the arrangement of the connecting seat, the connecting frame, the active bevel gear, the first conical column, the driven bevel gear, the first spiral rod, the spring sleeve, the sliding rod, the rotating rod, the spiral plate, the fixing plate, the second spiral rod and the second conical column. The installation and disassembly are convenient and the utility model can adapt to the railings of different sizes, thereby improving the applicability of the device.

[0012] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0014] Figure 1 It is a three-dimensional structural schematic diagram of a three-way joint used for a guardrail;

[0015] Figure 2 It is a three-dimensional structural schematic diagram of a three-way joint adjustment mechanism for a guardrail;

[0016] Figure 3 It is a front view of a three-way joint adjustment mechanism for a guardrail;

[0017] Figure 4 for Figure 1 Magnified view of area A.

[0018] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0019] 1. Connecting shell; 2. Adjusting mechanism; 201. Connecting seat; 202. Connecting frame; 203. Active bevel gear; 204. First conical column; 205. Driven bevel gear; 206. First screw rod; 207. Spring sleeve; 208. Sliding rod; 209. Rotating rod; 210. Spiral plate; 211. Fixed plate; 212. Second screw rod; 213. Second conical column; 3. Handle. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] In the description of the present invention, it should be understood that the terms "upper", "middle", "outer", "inner" and the like indicating directions or positional relationships are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as limitations on the present invention.

[0022] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" 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 indirectly connected through an intermediate medium, or it can be the internal communication 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.

[0023] See also Figure 1-Figure 4 As shown, the utility model is a three-way joint for a guardrail, comprising a connecting shell 1 and an adjusting mechanism 2, the adjusting mechanism 2 comprising a connecting seat 201, the connecting seat 201 is fixedly installed inside the connecting shell 1, the upper surface of the connecting seat 201 is rotatably connected with a rotating rod 209, the bottom surface of the connecting seat 201 is fixedly connected with a connecting frame 202, the connecting frame 202 comprises a fixing plate 211, the fixing plates 211 are provided with two groups, one end of the two groups of fixing plates 211 is fixedly connected to the bottom surface of the connecting seat 201, one end of the two groups of fixing plates 211 is fixedly connected with a spiral plate 210, one end of the rotating rod 209 is fixedly connected with an active bevel gear 203, and the active bevel gear 203 is provided on the outside of the fixing plate 211.

[0024] The interior of the active bevel gear 203 is fixedly connected with a first spiral rod 206, one end of the first spiral rod 206 is fixedly connected with a first conical column 204, the interior of the spiral plate 210 is spirally connected with a second spiral rod 212, one end of the second spiral rod 212 is fixedly connected with a driven bevel gear 205, the driven bevel gear 205 is meshed with the active bevel gear (203), and the other end of the second spiral rod 212 is fixedly connected with a second conical column 213.

[0025] The connecting shell 1 is provided with three connecting ports, and the first conical column 204 and the second conical column 213 are both arranged inside the connecting ports, and a plurality of slide rods 208 are slidably connected to the inner side of the connecting port, and one end of the slide rod 208 is fixedly connected to a spring sleeve 207, and one end of the spring sleeve 207 is sleeved on the outer side of one end of the first conical column 204 and the second conical column 213; by arranging the connecting seat 201, the connecting frame 202, the active bevel gear 203, the first conical column 204, the driven bevel gear 205, the first spiral rod 206, the spring sleeve 207, the slide rod 208, the rotating rod 209, the spiral plate 210, the fixed plate 211, the second spiral rod 212 and the second conical column 213, the staff can realize the rapid installation of the railing at the corner, and the installation and disassembly are convenient, and at the same time, it can adapt to railings of different sizes, thereby improving the applicability of the device.

[0026] One end of the rotating rod 209 is fixedly connected to a handle 3 , and the handle 3 is disposed on the outer side of the connecting shell 1 .

[0027] like Figure 1-Figure 4 The embodiment shown is a method for using a three-way joint for a guardrail: plug the connecting port of the connecting shell 1 into the railing to be fixed, plug the railing inward, push the sliding rod 208, the sliding rod 208 slides inward, and the spring sleeve 207 enters the hollow part of the railing, and the handle 3 is turned to drive the rotating rod 209 to rotate in the connecting seat 201, thereby driving the active bevel gear 203 to rotate, and the active bevel gear 203 rotates to drive the driven bevel gear 205 to rotate. Under the cooperation of the first spiral rod 206, the second spiral rod 212 and the spiral plate 210, the first conical column 204 and the second conical column 213 are gradually pushed outward, thereby gradually expanding the spring sleeve 207 so that it is tightly attached to the inner wall of the railing, so that the connecting shell 1 and the railing are installed and fixed. Similarly, rotating the handle 3 in the opposite direction can loosen the connecting shell 1 and the railing, which is convenient for disassembly. At the same time, it can adapt to railings of different sizes and improve the applicability of the device.

[0028] In the description of this specification, the description of reference terms such as "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and describes these embodiments in detail in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is only limited by the claims and their full scope and equivalents.

Claims

1. A three-way joint for a guardrail, comprising a connecting shell (1) and an adjusting mechanism (2), characterized in that: The adjustment mechanism (2) comprises a connecting seat (201), wherein the connecting seat (201) is fixedly installed inside the connecting housing (1), the upper surface of the connecting seat (201) is rotatably connected to a rotating rod (209), the bottom surface of the connecting seat (201) is fixedly connected to a connecting frame (202), the connecting frame (202) comprises a fixing plate (211), two groups of fixing plates (211) are provided, one end of the two groups of fixing plates (211) is fixedly connected to the bottom surface of the connecting seat (201), one end of the two groups of fixing plates (211) is fixedly connected to a spiral plate (210), one end of the rotating rod (209) is fixedly connected to an active bevel gear (203), and the active bevel gear (203) is provided on the outside of the fixing plate (211).

2. A three-way joint for a guardrail according to claim 1, characterized in that: The interior of the active bevel gear (203) is fixedly connected to a first spiral rod (206), one end of the first spiral rod (206) is fixedly connected to a first conical column (204), the interior of the spiral plate (210) is spirally connected to a second spiral rod (212), one end of the second spiral rod (212) is fixedly connected to a driven bevel gear (205), the driven bevel gear (205) is meshed with the active bevel gear (203), and the other end of the second spiral rod (212) is fixedly connected to a second conical column (213).

3. A three-way joint for a guardrail according to claim 2, characterized in that: The connecting shell (1) is provided with three connecting ports, and the first conical column (204) and the second conical column (213) are both arranged inside the connecting ports, and a plurality of sliding rods (208) are slidably connected to the inner side of the connecting ports, one end of the sliding rod (208) is fixedly connected to a spring sleeve (207), and one end of the spring sleeve (207) is sleeved on the outside of one end of the first conical column (204) and the second conical column (213).

4. A three-way joint for a guardrail according to claim 1, characterized in that: One end of the rotating rod (209) is fixedly connected to a handle (3), and the handle (3) is arranged on the outside of the connecting shell (1).

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