CN210687414U

CN210687414U - Air pipe joint of pneumatic rock drill

Info

Publication number: CN210687414U
Application number: CN201921498932.8U
Authority: CN
Inventors: 王涛; 张清平; 李亚真
Original assignee: Luoyang Gengli Construction Machinery Co ltd
Current assignee: Luoyang Gengli Construction Machinery Co ltd
Priority date: 2019-09-09
Filing date: 2019-09-09
Publication date: 2020-06-05
Anticipated expiration: 2029-09-09

Abstract

The utility model discloses a pneumatic rock drill's air pipe connector, including being 90 degrees joint bodies, the cover is equipped with the lock sleeve on the outer disc that connects body one end, and the lock sleeve is twisted body and the swivel nut body coupling of the other end by the revolving of one end and is constituteed, and the swivel nut has central through-hole, and the central through-hole of swivel nut runs through and twists the body, is provided with the screw thread on the outer disc of swivel nut, is provided with on the outer disc that connects body one end to be used for the spacing ring of lock sleeve restriction on connecting the body. Through setting up the lock sleeve, connect body one end and connect the downthehole back of air inlet on the handle body, pass through threaded connection through swivel nut on the lock sleeve and handle body, owing to be provided with the spacing ring, consequently, connect the body and can not deviate from in the lock sleeve, improved the safety in the rock drill use greatly, connect the body moreover and can not influence the use at the lock sleeve internal rotation.

Description

Air pipe joint of pneumatic rock drill

Technical Field

The utility model belongs to the technical field of pneumatic rock drill, especially, relate to a pneumatic rock drill's air pipe connector.

Background

The pneumatic rock drill is widely applied to mining, railway, water conservancy and national defense stone square engineering, is an important machine in the construction of national basic industry, and has the advantages of high efficiency, low noise, light weight, good economic effect, high footage speed and the like.

The power source of the pneumatic rock drill passes through the air pipe joint arranged on the handle body, and the air pipe joint is communicated with the air source all the time no matter in a working state or a standby state. The traditional connecting structure between the air pipe connector and the handle body is as follows: be provided with the inlet port on the handle body, the one end of air pipe joint is connected in the inlet port and through spring coupling, is through the spacing connection of spring between air pipe joint and the handle body, but in long-term use, the spring is worn and torn easily, after wearing and tearing to a certain extent, air pipe joint is deviate from the handle body easily, because atmospheric pressure is great, consequently, speed when air pipe joint deviates from the handle body is great, and the staff is hindered to easy mistake.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that pneumatic rock drill goes up the trachea joint and deviate from the handle body easily, the utility model aims at providing a pneumatic rock drill's trachea joint through set up the lock sleeve on the trachea joint for the trachea joint can not deviate from the handle body.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:

the utility model provides a pneumatic rock drill's air pipe connector, is including being 90 degrees joint bodies, and the cover is equipped with the lock sleeve on the outer disc of joint body one end, and the lock sleeve comprises the swivel nut body that revolves the body and the swivel nut body coupling of the other end of revolving of one end, and the swivel nut has central through-hole, and the central through-hole of swivel nut runs through and revolves the body, is provided with the screw thread on the outer disc of swivel nut, is provided with the spacing ring that is used for restricting the lock sleeve on connecting the body on the outer disc of joint body one end.

Furthermore, an annular groove is formed in the outer circular surface of one end of the joint body, the limiting ring is sleeved in the annular groove, and the outer diameter of the limiting ring is larger than the diameter of the threaded sleeve.

Furthermore, the limiting ring is an elastic washer.

Furthermore, a plurality of screwing planes are arranged on the screwing body.

Further, the other end of the joint body is provided with an external thread.

Further, the joint body is a 90-degree elbow.

Due to the adoption of the technical scheme, the utility model discloses following beneficial effect has:

through setting up the lock sleeve, connect body one end and connect the downthehole back of air inlet on the handle body, pass through threaded connection through swivel nut on the lock sleeve and handle body, owing to be provided with the spacing ring, consequently, connect the body and can not deviate from in the lock sleeve, improved the safety in the rock drill use greatly, connect the body moreover and can not influence the use at the lock sleeve internal rotation.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the stop collar of FIG. 1 with the stop collar removed;

in the figure: 1. a connector body; 2. a screw body; 3. a threaded sleeve; 4. a limiting ring; 5. an external thread; 6. an annular groove.

Detailed Description

The technical solution of the present invention will be further described in detail with reference to the accompanying drawings and embodiments

As shown in fig. 1, an air pipe joint of a pneumatic rock drill comprises a joint body 1 which is 90 degrees, a locking sleeve is sleeved on an outer circular surface of one end of the joint body 1 and is formed by integrally connecting a screwing body 2 at one end and a screwing sleeve 3 at the other end, the screwing sleeve 3 is provided with a central through hole, the central through hole of the screwing body 2 penetrates through the screwing body 3, a thread is arranged on an outer circular surface of the screwing sleeve 3, and a limiting ring 4 used for limiting the locking sleeve on the joint body 1 is arranged on the outer circular surface of one end of the joint body 1.

As shown in fig. 2, an annular groove 6 is formed on an outer circumferential surface of one end of the joint body 1, the limiting ring 4 is sleeved in the annular groove 6, and the outer diameter of the limiting ring 4 is larger than the diameter of the threaded sleeve 3; as a preferred aspect of the present invention, the stop collar 4 is an elastic washer.

The utility model discloses in, after the lock sleeve cover was located and is connected the body, connect body 1 and can be in the lock sleeve free rotation, make the lock sleeve restricted on connecting body 1 through setting up spacing ring 4.

In order to facilitate the operation of the locking sleeve, the screw body 2 is provided with a plurality of screw planes, preferably, the screw planes together form the side surface of the screw body.

In order to be connected with the air pipe conveniently, the other end of the joint body 1 is provided with an external thread 5, and the air pipe is connected with the joint body 1 through threads.

The utility model discloses in joint body 1 be 90 degrees elbows, it needs to explain that joint body 1 can be by cavity body machine-shaping.

When the connector body is connected with the handle body of the rock drill, an air inlet hole in the handle body is processed into an internal thread in advance, one end of the connector body is connected into the air inlet hole, and then the screwing body is rotated to enable the threaded sleeve to be fixedly connected with the air inlet hole.

Claims

1. The utility model provides a pneumatic rock drill's air pipe connector, includes the joint body that is 90 degrees, its characterized in that: the outer circle face of one end of the connector body is sleeved with a locking sleeve, the locking sleeve is formed by integrally connecting a screwing body at one end and a screwing sleeve at the other end, the screwing sleeve is provided with a central through hole, the central through hole of the screwing sleeve penetrates through the screwing body, threads are arranged on the outer circle face of the screwing sleeve, and a limiting ring used for limiting the locking sleeve on the connector body is arranged on the outer circle face of one end of the connector body.

2. The air pipe joint of a pneumatic rock drill according to claim 1, characterized in that: an annular groove is formed in the outer circular surface of one end of the connector body, the limiting ring is sleeved in the annular groove, and the outer diameter of the limiting ring is larger than the diameter of the threaded sleeve.

3. The air pipe joint of the pneumatic rock drill according to claim 2, characterized in that: the limiting ring is an elastic washer.

4. The air pipe joint of a pneumatic rock drill according to claim 1, characterized in that: the screwing body is provided with a plurality of screwing planes.

5. The air pipe joint of a pneumatic rock drill according to claim 1, characterized in that: the other end of the joint body is provided with an external thread.

6. The air pipe joint of the pneumatic rock drill according to any one of claims 1 to 5, characterized in that: the joint body is a 90-degree elbow.