Oil pipe sealing connection structure and pushing jack

Abstract

The utility model relates to the technical field of advancing jacks, in particular to an oil pipe sealing connection structure and an advancing jack, which comprise a jack body, a connecting block arranged on the jack body, a gasket and an anti-skidding sleeve arranged on an oil pipe, a rubber pad connected with a connecting groove, a guide groove connected with a guide rod, and a threaded rod connected with the connecting pipe. The threaded rod is connected with a handle; when the oil pipe is taken down and installed, the two ends of the oil pipe needing to be replaced are placed in the containing grooves, the gaskets on the oil pipe make close contact with the outer sides of the movable grooves, the handle is rotated to drive the threaded rod to rotate, meanwhile, the threaded rod drives the connecting pipe to move, the connecting pipe drives the rubber pad to move, and the connecting pipe and the rubber pad make contact with the inner wall of the connecting groove. And meanwhile, the guide rod on the rubber pad slides in the guide groove, and when the guide rod reaches the outermost side of the guide groove, the connecting pipe is tightly connected and contacted with the rubber pad and the inner wall of the connecting groove, so that the oil pipe on the jack body can be detached and replaced, and resources are saved.

Description

Technical Field

[0001] The utility model relates to the technical field of push jacks, in particular to an oil pipe sealing connection structure and a push jack. Background Art

[0002] The push jack is one of the components of the hydraulic support, which is mainly composed of a piston rod assembly, a cylinder body component, a guide sleeve assembly, a seal, etc. The piston rod assembly includes a piston rod, a piston, a seal, a guide ring, a piston guide ring, and a fixed connector. The surface of the piston rod is chrome-plated to increase the ability to resist corrosion, friction, and impact. The cylinder body component is welded by the cylinder bottom and the cylinder barrel, and an oil pipe is provided on the push jack.

[0003] In the prior art, the oil pipe on the push jack is mostly directly fixedly connected to the push jack. When the oil pipe has a problem, the oil pipe cannot be disassembled and replaced, and the entire push jack needs to be replaced, resulting in a waste of resources. Therefore, the utility model proposes an oil pipe sealing connection structure and a push jack for solving the above problem. Utility Model Content

[0004] The utility model aims to provide an oil pipe sealing connection structure and a push jack to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an oil pipe sealing connection structure, comprising: a jack body, a connecting block is provided on the jack body, an oil pipe is provided between the connecting blocks, a connecting groove is opened on the oil pipe, a gasket and an anti-slip sleeve are provided on the oil pipe, the connecting groove is connected to a rubber pad, the rubber pad is connected to a movable groove, a connecting pipe and a guide rod, the guide rod is connected to the guide groove, a slot hole is opened on the connecting pipe, the connecting pipe is connected to a threaded rod, and the threaded rod is connected to a handle.

[0006] Preferably, two connecting blocks are provided, both of which are fixedly connected to the outer wall of the jack body and distributed along the movement direction of the jack body, and the connecting blocks and the jack body are interconnected.

[0007] Preferably, placement grooves are provided on opposite side walls of the connection block, the cross-section of the placement grooves is composed of a rectangle and a semicircle, oil pipes are provided between the placement grooves, and the outer walls at both ends of the oil pipes are movably connected to the inner walls of the placement grooves.

[0008] Preferably, an anti-slip sleeve is fixedly connected to the outer wall of the oil pipe, and gaskets are fixedly connected to both end walls of the oil pipe, and the cross section of the gasket is in a circular ring shape.

[0009] Preferably, connecting grooves are provided on both end walls of the oil pipe, the outer diameter of the connecting grooves is smaller than the inner diameter of the gasket, the inner walls of the connecting grooves are movably connected with rubber pads, and the inner walls of the rubber pads are fixedly connected to the outer walls of the connecting pipes.

[0010] Preferably, the outer wall of the rubber pad is slidably connected with a movable groove, the movable groove is arranged in the connecting block, and is connected with the placement groove and is respectively located on both sides of the placement groove.

[0011] Preferably, the outer walls of the rubber pads are fixedly connected to guide rods, the outer walls of the guide rods are slidably connected to guide grooves, the length of the guide grooves is greater than the length of the guide rods, the guide grooves are opened on the connecting blocks, and are connected to the movable grooves and are above the movable grooves.

[0012] Preferably, a slot hole is formed on the connecting pipe, and the slot hole penetrates the outer wall of the rubber pad and is connected to the jack body through the connecting block.

[0013] Preferably, the center of the opposite end of the connecting pipe is rotatably connected to a threaded rod, the outer wall of the threaded rod is threadedly connected to a threaded hole, the threaded hole is opened on the side wall opposite to the connecting block and is connected to the movable groove, and one end of the threaded rod is fixedly connected to a handle, and the handle is on the outside of the connecting block.

[0014] A push jack comprises the above-mentioned oil pipe sealing connection structure.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The utility model removes the oil pipe for installation, places the two ends of the oil pipe to be replaced in the placement groove, the gasket on the oil pipe is in close contact with the outer side of the movable groove, the handle is turned to drive the threaded rod to rotate, and at the same time the threaded rod drives the connecting pipe to move towards each other, the connecting pipe drives the rubber pad to move, the connecting pipe contacts the rubber pad and the inner wall of the connecting groove, and at the same time the guide rod on the rubber pad slides in the guide groove, when the guide rod reaches the outermost side of the guide groove, that is, the guide rod contacts the gasket, the connecting pipe and the rubber pad are in close connection with the inner wall of the connecting groove, so that the oil pipe on the jack body can be disassembled and replaced, saving resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a top view schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the internal structure of the connection block of the utility model;

[0019] Figure 3 For this utility model Figure 2 A schematic diagram of the enlarged structure of the middle A area;

[0020] Figure 4 This is a schematic diagram of the outer structure of the connection block of the utility model;

[0021] Figure 5This is a schematic diagram of the oil pipe structure of the utility model;

[0022] Figure 6 For this utility model Figure 5 Schematic diagram of the enlarged structure of region B in the middle.

[0023] In the figure: 1. Jack body; 2. Connecting block; 3. Oil pipe; 4. Anti-slip sleeve; 5. Placement groove; 6. Connecting pipe; 7. Groove hole; 8. Rubber pad; 9. Movable groove; 10. Guide rod; 11. Guide groove; 12. Threaded hole; 13. Threaded rod; 14. Handle; 15. Connecting groove; 16. Gasket. DETAILED DESCRIPTION

[0024] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of 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.

[0025] In the description of the present utility model, it should be noted that the terms "center", "middle", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "one", "first", "second", "third", "fourth", "fifth", "sixth" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0026] 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 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.

[0027] For the purpose of simplicity and illustration, the principles of the embodiments are mainly described by reference to examples. In the following description, many specific details are proposed to provide a thorough understanding of the embodiments. However, it is obvious that for those of ordinary skill in the art, these embodiments may not be limited to these specific details in practice. In some instances, known methods and structures are not described in detail to avoid making these embodiments unnecessarily difficult to understand. In addition, all embodiments can be used in combination with each other.

[0028] See also Figures 1 to 6 The utility model provides a technical solution: an oil pipe sealing connection structure, comprising: a jack body 1, a connecting block 2 is provided on the jack body 1, two connecting blocks 2 are provided, both are fixedly connected to the outer wall of the jack body 1, and are distributed along the direction of movement of the jack body 1, and the connecting block 2 and the jack body 1 are connected, when the oil pipe 3 is connected and installed, the groove 7 on the connecting pipe 6 and the hole on the connecting block 2 just correspond, an oil pipe 3 is provided between the connecting blocks 2, and placement grooves 5 are provided on the opposite side walls of the connecting blocks 2, the cross-section of the placement grooves 5 is composed of a rectangle and a semicircle, an oil pipe 3 is provided between the placement grooves 5, and the outer walls of the two ends of the oil pipe 3 are movably connected to the inner wall of the placement groove 5, a connecting groove 15 is provided on the oil pipe 3, a gasket 16 and an anti-slip sleeve 4 are provided on the oil pipe 3, the anti-slip sleeve 4 is fixedly connected to the outer wall of the oil pipe 3, and the anti-slip sleeve 4 Increase the friction of the outer wall of the oil pipe 3 to prevent liquid from falling on the oil pipe 3 and being inconvenient to take. Gaskets 16 are fixedly connected to the walls of both ends of the oil pipe 3. The cross section of the gasket 16 is annular. The gasket 16 can enhance the sealing of the connection to prevent liquid from flowing out from the gap of the movable groove 9. The connecting groove 15 is connected to the rubber pad 8. Connecting grooves 15 are opened on the walls of both ends of the oil pipe 3. The outer diameter of the connecting groove 15 is smaller than the inner diameter of the gasket 16. The inner wall of the connecting groove 15 is movably connected to the rubber pad 8. The inner wall of the rubber pad 8 is fixedly connected to the outer wall of the connecting pipe 6. The rubber pad 8 is connected to the movable groove 9, the connecting pipe 6 and the guide rod 10. The outer wall of the rubber pad 8 is slidably connected to the movable groove 9. The rubber pad 8 enhances the sealing of the connection, so that the sealing of the oil pipe 3 connection is better. The movable groove 9 is opened in the connecting block 2, and is connected with the placement groove 5, and is respectively on both sides of the placement groove 5;

[0029] The guide rod 10 is connected with a guide groove 11, the outer wall of the rubber pad 8 is fixedly connected with the guide rod 10, the outer wall of the guide rod 10 is slidably connected with the guide groove 11, the guide rod 10 slides in the guide groove 11, and the horizontal and stable movement of the connecting pipe 6 can be ensured. The length of the guide groove 11 is greater than the length of the guide rod 10. The guide groove 11 is opened on the connecting block 2 and intersects with the movable groove 9. Above the movable groove 9, a slot hole 7 is opened on the connecting pipe 6, and a slot hole 7 is opened on the connecting pipe 6, and The groove hole 7 passes through the outer wall of the rubber pad 8 and is connected to the jack body 1 through the connecting block 2. The connecting pipe 6 is connected to a threaded rod 13, and the threaded rod 13 is connected to a handle 14. The center of the opposite end of the connecting pipe 6 is rotatably connected to the threaded rod 13, and the outer wall of the threaded rod 13 is threadedly connected to a threaded hole 12. The threaded hole 12 is provided on a side wall opposite to the connecting block 2 and is connected to the movable groove 9. One end of the threaded rod 13 is fixedly connected to a handle 14, and the handle 14 is on the outside of the connecting block 2.

[0030] A push jack comprises the above-mentioned oil pipe sealing connection structure.

[0031] When the device is working, the oil pipe 3 is removed for installation, and the two ends of the oil pipe 3 to be replaced are placed in the placement groove 5, the gasket 16 on the oil pipe 3 is in close contact with the outer side of the movable groove 9, the handle 14 is turned to drive the threaded rod 13 to rotate, and at the same time the threaded rod 13 drives the connecting pipe 6 to move towards each other, the connecting pipe 6 drives the rubber pad 8 to move, the connecting pipe 6 and the rubber pad 8 are in contact with the inner wall of the connecting groove 15, and at the same time the guide rod 10 on the rubber pad 8 slides in the guide groove 11, when the guide rod 10 reaches the outermost side of the guide groove 11, that is, the guide rod 10 and the gasket 16 are in contact, the connecting pipe 6 is in close contact with the rubber pad 8 and the inner wall of the connecting groove 15.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An oil pipe sealing connection structure, comprising: A jack body (1) is characterized in that: a connecting block (2) is provided on the jack body (1), an oil pipe (3) is provided between the connecting blocks (2), a connecting groove (15) is provided on the oil pipe (3), a gasket (16) and an anti-slip sleeve (4) are provided on the oil pipe (3), the connecting groove (15) is connected to a rubber pad (8), the rubber pad (8) is connected to a movable groove (9), a connecting pipe (6) and a guide rod (10), the guide rod (10) is connected to a guide groove (11), a slot hole (7) is provided on the connecting pipe (6), the connecting pipe (6) is connected to a threaded rod (13), and the threaded rod (13) is connected to a handle (14).

2. The oil pipe sealing connection structure according to claim 1, characterized in that: The connecting blocks (2) are provided with two, both of which are fixedly connected to the outer wall of the jack body (1) and are distributed along the movement direction of the jack body (1), and the connecting blocks (2) and the jack body (1) are connected.

3. The oil pipe sealing connection structure according to claim 1, characterized in that: The connecting block (2) is provided with placement grooves (5) on opposite side walls. The cross-section of the placement grooves (5) is composed of a rectangle and a semicircle. An oil pipe (3) is provided between the placement grooves (5). The outer walls at both ends of the oil pipe (3) are movably connected to the inner walls of the placement grooves (5).

4. The oil pipe sealing connection structure according to claim 1, characterized in that: The outer wall of the oil pipe (3) is fixedly connected to an anti-slip sleeve (4), and both end walls of the oil pipe (3) are fixedly connected to gaskets (16), the cross section of the gasket (16) being in the shape of a circular ring.

5. The oil pipe sealing connection structure according to claim 1, characterized in that: The oil pipe (3) is provided with connecting grooves (15) on both end walls, the outer diameter of the connecting groove (15) is smaller than the inner diameter of the gasket (16), the inner wall of the connecting groove (15) is movably connected to a rubber pad (8), and the inner wall of the rubber pad (8) is fixedly connected to the outer wall of the connecting pipe (6).

6. The oil pipe sealing connection structure according to claim 1, characterized in that: The outer wall of the rubber pad (8) is slidably connected with a movable groove (9), which is arranged in the connection block (2) and is connected to the placement groove (5) and is located on both sides of the placement groove (5).

7. The oil pipe sealing connection structure according to claim 1, characterized in that: The outer wall of the rubber pad (8) is fixedly connected to a guide rod (10), and the outer wall of the guide rod (10) is slidably connected to a guide groove (11). The length of the guide groove (11) is greater than the length of the guide rod (10). The guide groove (11) is opened on the connecting block (2), and is connected to the movable groove (9) and is above the movable groove (9).

8. The oil pipe sealing connection structure according to claim 1, characterized in that: The connecting pipe (6) is provided with a slot hole (7), and the slot hole (7) penetrates the outer wall of the rubber pad (8) and is connected to the jack body (1) through the connecting block (2).

9. The oil pipe sealing connection structure according to claim 1, characterized in that: The center of the opposite end of the connecting pipe (6) is rotatably connected to a threaded rod (13), the outer wall of the threaded rod (13) is threadedly connected to a threaded hole (12), the threaded hole (12) is provided on a side wall of the connecting block (2) opposite to the connecting block and is connected to the movable groove (9), and one end of the threaded rod (13) is fixedly connected to a handle (14), and the handle (14) is on the outside of the connecting block (2).

10. A push jack, characterized in that: The oil pipe sealing connection structure comprises any one of claims 1 to 9.

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