Novel hinged joint

Abstract

The utility model discloses a novel hinge joint which comprises a device body, the device body comprises a hinge body and a hinge screw, and the hinge screw is inserted into the hinge body; the hinge screw is of a cylindrical structure, an O-shaped ring groove is formed in the left side of the hinge screw, and an O-shaped ring is installed in the O-shaped ring groove. A combined pad is arranged in the left end of the hinge body and located on the outer side of the left end of the hinge screw, and the combined pad is of a trapezoid structure. According to the device, the hinge body and the hinge screw are sealed in the radial direction through the O-shaped ring, the hinge body and the surface of the friction pair are sealed through the combined gasket, in this way, the sealing performance of connection of the hinge body and the hinge screw can be improved, and the situation of oil leakage is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of articulated joints, in particular to a novel articulated joint. Background Art

[0002] A universal joint, also known as a universal joint, is a mechanical element used to connect two parts. It can provide angular adjustability between the two parts and is usually used to connect rotating parts so that they can rotate relative to each other without restriction. There are many types of articulated joints, including ball-diameter articulated joints, elastic rod articulated joints, ball-column articulated joints, etc.

[0003] Existing articulated joints have the following defects:

[0004] The existing hinged body, hinged screw and friction pair are sealed by "O-ring", but the problem of poor sealing and oil leakage is often encountered. For this reason, a solution needs to be provided. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the deficiencies of the prior art, the utility model provides a novel articulated joint to solve the problems raised in the above background technology.

[0007] (II) Technical solution

[0008] To achieve the above purpose, the utility model is implemented through the following technical scheme: a new type of articulated joint, including a device body, the device body includes a hinge body and a hinge screw, the hinge screw is inserted in the hinge body; the hinge screw is a cylindrical structure, an O-ring groove is opened on the left side of the hinge screw, an O-ring is installed in the O-ring groove, the O-ring is a flat elliptical structure, and the O-ring is made of rubber material.

[0009] Preferably, a combined pad is provided inside the left end of the hinged body, the combined pad is located outside the left end of the hinge screw, the combined pad has a trapezoidal structure, and the combined pad is made of rubber material.

[0010] Preferably, an upper connecting groove is opened at the top end of the hinged body, and a bottom connecting groove is opened at the bottom end of the hinged body. The upper connecting groove and the bottom connecting groove are through-type structures. A small connecting groove is provided at the left end of the bottom connecting groove. The bottom connecting groove and the small connecting groove are both cylindrical structures and the left and right ends are through-type structures.

[0011] (III) Beneficial effects

[0012] The utility model provides a new type of articulated joint. It has the following beneficial effects:

[0013] The new articulated joint adopts "O-ring" radial seal between the articulated body and the articulated screw, and adopts combined gasket seal between the articulated body and the friction pair surface. In this way, the sealing performance of the connection between the articulated body and the articulated screw can be improved to prevent oil leakage. The new articulated joint adopts "O-ring" radial seal, the size is easy to control, and the processing requirements are reduced. The other end adopts combined gasket seal, and it can be sealed even if the surface roughness of the friction pair is reduced; the articulated screw does not need to be processed with grooves, the strength is not reduced, the flow area is increased, and the pressure loss is reduced; the articulated screw saves material (the 14 hexagonal rod can be replaced with a 12 hexagonal rod on the opposite side), reducing costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a structural schematic diagram of the hinged body of the utility model;

[0016] Figure 3 It is a structural schematic diagram of the hinge screw of the utility model.

[0017] In the figure, 1. device body; 2. hinged body; 3. hinge screw; 4. O-ring; 5. combination gasket; 6. O-ring groove; 7. upper connecting groove; 8. bottom connecting groove; 9. small connecting groove. DETAILED DESCRIPTION

[0018] 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.

[0019] See also Figure 1-3 , the embodiment of the utility model provides a technical solution: a new type of articulated joint, including a device body 1, the device body 1 includes an articulated body 2 and an articulated screw 3, the articulated screw 3 is inserted in the articulated body 2;

[0020] The problem solved is that the hinge screw 3 is in a cylindrical structure, an O-ring groove 6 is provided on the left side of the hinge screw 3, an O-ring 4 is installed in the O-ring groove 6, the O-ring 4 is in a flat elliptical structure, and the O-ring 4 is made of rubber material. When in use, the O-ring 4 in the O-ring groove 6 can be radially sealed, the size is easy to control, the processing requirements are reduced, and the flat elliptical gasket 4 has a high sealing tightness to prevent leakage.

[0021] Furthermore, a combined pad 5 is provided inside the left end of the hinged body 2, and the combined pad 5 is located outside the left end of the hinge screw 3. The combined pad 5 has a trapezoidal structure and is made of rubber material. The combined pad 5 is used to achieve sealing. By using the combined pad 5 for sealing, even if the surface roughness of the friction pair is reduced, it can still be sealed.

[0022] Differently, an upper connecting groove 7 is provided at the top end of the hinged body 2, and a bottom connecting groove 8 is provided at the bottom end of the hinged body 2. The upper connecting groove 7 and the bottom connecting groove 8 are through-type structures, and a small connecting groove 9 is provided at the left end of the bottom connecting groove 8. The bottom connecting groove 8 and the small connecting groove 9 are both cylindrical structures and have through-type structures at both ends. The upper connecting groove 7 at the top of the hinged body 2 is for easy connection, and the bottom connecting groove 8 is for easy insertion and connection of the hinge screw 3, and the small connecting groove 9 at the left end of the bottom connecting groove 8 is for fitting the shape of the hinge screw 3, thereby improving the sealing.

[0023] Working principle: During operation, the staff inserts the hinge screw 3 into the hinge body 2, and the O-ring 4 in the O-ring groove 6 can be radially sealed. The size of this O-ring 4 is easy to control, and the processing requirements are reduced. The flat elliptical gasket 4 has high sealing tightness and can prevent leakage. The left end of the hinge body 2 is sealed with a combined gasket 5. Even if the surface roughness of the friction pair of the combined gasket 5 is reduced, it can still be sealed.

[0024] The utility model includes 1. device body; 2. hinged body; 3. hinged screw; 4. O-ring; 5. combination gasket; 6. O-ring groove; 7. upper connecting groove; 8. bottom connecting groove; 9. small connecting groove. All the components are universal standard parts or components known to the technical personnel in this field. The structures and principles thereof can be known to the technical personnel in this field through the technical manual or through conventional experimental methods. The utility model solves the problem that the existing hinged body, hinged screw and friction pair are sealed by "O-ring", but the problem of poor sealing and oil leakage is often encountered. The utility model can improve the sealing performance of the connection between the hinged body and the hinged screw and prevent oil leakage through the mutual combination of the above components.

[0025] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0026] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A new type of articulated joint, characterized in that: The device comprises a device body (1), wherein the device body (1) comprises a hinge body (2) and a hinge screw (3), wherein the hinge screw (3) is inserted into the hinge body (2); The hinge screw (3) is in a cylindrical structure. An O-ring groove (6) is provided on the left side of the hinge screw (3). An O-ring (4) is installed in the O-ring groove (6). The O-ring (4) is in a flat elliptical structure and is made of rubber material.

2. A novel articulated joint according to claim 1, characterized in that: A combination pad (5) is provided inside the left end of the hinged body (2). The combination pad (5) is located outside the left end of the hinge screw (3). The combination pad (5) is in a trapezoidal structure and is made of rubber material.

3. A novel articulated joint according to claim 1, characterized in that: An upper connecting groove (7) is provided at the top of the hinged body (2), and a bottom connecting groove (8) is provided at the bottom of the hinged body (2). The upper connecting groove (7) and the bottom connecting groove (8) are through-type structures. A small connecting groove (9) is provided at the left end of the bottom connecting groove (8). Both the bottom connecting groove (8) and the small connecting groove (9) are cylindrical structures, and the left and right ends are through-type structures.

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