CN222501648U

CN222501648U - Socket type sealing joint for inserting drill rod

Info

Publication number: CN222501648U
Application number: CN202421457817.7U
Authority: CN
Inventors: 盛华
Original assignee: Wuhan Zhongke Hengli Civil Engineering Technology Co ltd
Current assignee: Wuhan Zhongke Hengli Civil Engineering Technology Co ltd
Priority date: 2024-06-25
Filing date: 2024-06-25
Publication date: 2025-02-18
Anticipated expiration: 2034-06-25

Abstract

The utility model discloses a socket type sealing joint for a plug-in drill rod, which consists of a sealing joint and a rubber ring. The sealing joint is provided with a plug-in end, a screwing end, a hexagonal head and a drainage surface, the surface of the screwing end is provided with threads, and the plug-in end is provided with three circular arc grooves. The rubber ring can be sleeved in the three circular arc grooves at the plug-in end of the sealing joint. The screwing end and the inserting end of the sealing joint are respectively inserted into the male end and the female end of the drill rod, the sealing joint limits the shrinkage of the central hole of the sealing gasket, the flow quantity of the drill rod at the joint is protected, meanwhile, the male end and the female end of the drill rod are deeply connected through the sealing joint, the sealing performance at the joint of the drill rod is further improved through the sealing effect of the rubber rings in the three circular arc grooves of the inserting end, and meanwhile, the inclined annular guide surface at the end part of the screwing end of the sealing joint can play a role in guiding flow, so that high-pressure fluid can not be blocked by the section of the end part of the sealing joint when flowing through the sealing joint.

Description

Socket type sealing joint for inserting drill rod

Technical Field

The utility model relates to the technical field of drill rod connection structures applied to high-pressure jet grouting pile machines, in particular to a socket-and-spigot type sealing joint for plugging drill rods.

Background

At present, the high-pressure jet grouting pile is widely applied in the field of engineering construction. The drill rod of the high-pressure jet grouting pile machine is connected with the drill rod through a drill rod male head and a drill rod female head, the drill rod male head is inserted into the drill rod female head, an annular sealing gasket with a flow hole in the center is padded at the joint of the drill rod male head and the drill rod female head for sealing, and high-pressure slurry flows into the drill rod female head through the flow hole from the drill rod male head. However, when the drill rod works vertically, the drill rod generally has larger pressure, so that the sealing gasket is compressed, the central circulation hole is compressed, the circulation area is reduced, and the normal work of the high-pressure jet grouting pile machine is affected. Meanwhile, in actual construction, the joint of the male head and the female head has a sealing gasket function, but is still a weak point which is very easy to cause high-pressure slurry to exude.

Disclosure of Invention

The utility model aims at providing a socket sealing joint for plugging a drill rod, aiming at the defects of the prior art.

The utility model provides a socket type sealing joint for a plug-in drill rod, which comprises a sealing joint and a rubber ring. The sealing joint is characterized by being provided with a plug-in end, a screwing end, a hexagonal head and a drainage surface.

On the basis of the above, the screwing end surface is provided with threads, and the sealing joint can be screwed into the drill rod male head through the hexagonal head by using a hexagonal head socket wrench.

On the basis, the surface of the inserting end is provided with three circular arc grooves, and the rubber ring is matched with the three circular arc grooves of the surface of the inserting end and can be sleeved in the grooves.

On the basis, the drainage surface is in an inclined annular shape and is arranged at the end part of the screwing end of the sealing joint.

Compared with the prior art, the utility model has the following beneficial effects:

The utility model provides a socket sealing joint for a plug-in drill rod. The sealing joint can be screwed into the drill rod male head by using the hexagonal head socket wrench through threads and the hexagonal head arranged on the surface of the screwed end, the sealing joint has the characteristic of simple installation, the compression of a central hole of a sealing gasket at the butt joint of the drill rod male head and the drill rod female head can be limited by respectively inserting the two ends of the socket type sealing joint into the drill rod male head and the drill rod female head, the slurry flow quantity at the joint of the drill rod is protected, the sealing performance of the joint of the drill rod is further improved under the plugging effect of the rubber ring arranged in the circular arc-shaped groove of the plugging end of the sealing joint, and meanwhile, the inclined annular diversion surface positioned at the end part of the screwed end of the sealing joint can play a role in diversion, so that high-pressure fluid can not be blocked by the section of the end part of the sealing joint when flowing through the sealing joint.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

Fig. 1 and fig. 2 are schematic structural views of a socket sealing joint for plugging a drill rod according to the present utility model;

FIG. 3 is a schematic view of the installation of a spigot-and-socket sealing joint for plugging drill pipe according to the present utility model;

Reference numerals illustrate:

The sealing joint comprises a sealing joint 1, a rubber ring 2, a drainage surface 101, a screwing end 102, a hexagonal head 103, a plugging end 104, a drill rod male head 3, a drill rod female head 4 and an annular sealing ring 5.

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, if directional indications (such as up, down, left, right, front, and rear are referred to in the embodiments of the present utility model), the directional indications are merely used to explain the relative positional relationship, movement conditions, and the like between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

Referring to fig. 1, 2 and 3, the present utility model includes a sealing joint 1 and a rubber ring 2. The sealing joint is provided with a drainage surface 101, a screwing end 102, a hexagonal head 103 and a plugging end 104.

Referring to fig. 1 and 2, the present utility model proposes a first embodiment as follows:

Consists of a sealing joint 1 and a rubber ring 2. The sealing joint 1 is provided with a drainage surface 101, a screwing end 102, a hexagonal head 103 and a plugging end 104, wherein the drainage surface 101 is in an inclined annular shape, threads are arranged on the surface of the screwing end 102, three circular arc grooves are formed in the plugging end 104, and the rubber ring 2 is in an annular shape and is matched with the three circular arc grooves.

Referring to fig. 1, 2 and 3, the present utility model proposes a first embodiment of the installation method as follows:

three rubber rings 2 are sleeved into three arc-shaped grooves of the sealing joint plugging end 104;

screwing the screwing end 102 of the sealing joint into the drill rod male head 3 by using a hexagonal socket wrench;

the annular sealing gasket 5 is padded into the drill rod female head 4;

The drill rod male head 3 is inserted into the drill rod female head 4, and the insertion end 104 of the sealing joint penetrates through the central flow hole of the annular sealing gasket 5 and is inserted into the flow pipe of the drill rod female head 4 positioned at the rear part of the sealing gasket.

At the moment, the sealing joint limits the shrinkage of the central hole of the sealing gasket, the circulation of the drill rod at the joint is protected, meanwhile, the male drill rod head and the female drill rod head are deeply connected through the sealing joint, the sealing performance of the drill rod joint is further improved due to the blocking effect of the rubber ring positioned in the three circular arc grooves of the plug-in end, and meanwhile, the inclined annular guide surface positioned at the end part of the screwing end of the sealing joint can play a role in guiding flow, so that high-pressure fluid can not be blocked by the section of the end part of the sealing joint when flowing through the sealing joint.

Claims

1. A socket type sealing joint for plugging a drill rod is characterized by comprising a sealing joint and a rubber ring, wherein the sealing joint is provided with a plugging end, a screwing end, a hexagonal head and a drainage surface, the surface of the screwing end is provided with threads, the sealing joint can be screwed into a male head of the drill rod through the hexagonal head by using a hexagonal head socket wrench, the surface of the plugging end is provided with three circular arc grooves, and the rubber ring is matched with the three circular arc grooves on the surface of the plugging end and can be sleeved into the grooves.

2. The socket sealing joint of a plug drill rod according to claim 1, wherein the drainage surface is in an inclined ring shape and is arranged at the screwed end of the sealing joint.