CN214274850U - Air pipe joint with pressure detection and pressure protection interface for rock drill - Google Patents
Air pipe joint with pressure detection and pressure protection interface for rock drill Download PDFInfo
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- CN214274850U CN214274850U CN202120306727.8U CN202120306727U CN214274850U CN 214274850 U CN214274850 U CN 214274850U CN 202120306727 U CN202120306727 U CN 202120306727U CN 214274850 U CN214274850 U CN 214274850U
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Abstract
The utility model discloses a take air pipe joint for rock drill of pressure detection and pressure protection interface, including the joint body that is the right angle shape, the body that connects the body one end of giving vent to anger is equipped with one section outer extension section in the same direction as the opposite direction of giving vent to anger, offers a female external tapping at the terminal surface middle part of outer extension section, is equipped with a cylindrical passageway between the bottom surface of interface and inlet channel outside, is equipped with a sealing head of taking the external screw thread in the interface outside, and the external screw thread of its sealing head and the internal thread phase-match of external tapping, the degree of depth that highly is less than the external tapping of sealing head is equipped with a sealing washer on the bottom surface of interface outside. The utility model discloses a gas pipe connector for rock drill, not only accessible external tapping connects pressure measurement to detect pneumatic rock drill's work atmospheric pressure to in time adjust the pressure value, make rock drill performance maximum efficiency, but also can be through external tapping connection pressure protection device, bring the potential safety hazard with the use that reduces pneumatic rock drill.
Description
Technical Field
The utility model relates to a rock drilling machinery technical field, specific saying so relates to a take air pipe connector for rock drilling machine of pressure detection and pressure protection interface.
Background
At present, the pneumatic rock drill is widely applied to mining, railway, water conservancy and national defense stone square engineering, is an important machine tool 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 working air pressure of the pneumatic rock drill is closely related to the rock drilling efficiency and the service life of parts, the rock drilling speed is accelerated along with the rise of the air pressure, but the air pressure is too high, the vibration of the machine is increased, the abrasion of the parts is accelerated, and meanwhile, a drilling tool is easy to damage; too low a pressure will not fully perform the machine's function. However, in actual operation, because the rock drill does not have a pressure measuring device, all operating personnel can not know the pressure condition of the system in the working process, and in order to know the working pressure, the operating personnel needs to be additionally connected with a pressure gauge for independent measurement after stopping, so that the problems can not be timely and accurately found and solved by the operating personnel or the maintenance personnel, and the working efficiency of the rock drill is reduced. In addition, the power source of the pneumatic rock drill finally passes through the air pipe connector arranged on the handle body, the air pipe connector is always communicated with the air source no matter in a working state or a standby state, and the main parameters of the air pipe connector comprise pressure bearing capacity, pipe diameter and the like. Furthermore, most of the existing pneumatic rock drills are not provided with an overpressure protection device, which brings potential safety hazards to the use of the pneumatic rock drills.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a take the air pipe joint for the rock drill of pressure detection and pressure protection interface to effectively overcome above-mentioned prior art's not enough.
In order to realize the purpose, the utility model discloses a technical scheme is:
a gas pipe joint with pressure detection and pressure protection interfaces for a rock drill comprises a right-angle joint body, wherein a locking sleeve is sleeved on the outer circular surface of the gas outlet end of the joint body, the locking sleeve is formed by integrally connecting a threaded sleeve and a screwing body, a limiting ring used for limiting the locking sleeve on the joint body is arranged on the outer circular surface of the gas outlet end of the joint body, a gas outlet channel is arranged in the gas outlet end of the joint body, a gas inlet channel is arranged in the gas inlet end of the joint body, the cross section of the gas inlet channel is larger than that of the gas outlet channel, external threads are arranged on the outer circular surface of the gas inlet end of the joint body, a section of outer extension section is arranged in the opposite direction of gas outlet of the pipe body at the gas outlet end of the joint body, an external port with internal threads is arranged in the middle of the end surface of the outer extension section, and a cylindrical channel is arranged between the bottom surface of the external interface and the gas inlet channel, the inner diameter of the cylindrical channel is smaller than that of the external interface, the axis of the external interface is superposed with the axis of the cylindrical channel and the axis of the air outlet channel, a sealing joint with an external thread is arranged in the external interface, the external thread of the sealing joint is matched with the internal thread of the external interface, the height of the sealing joint is smaller than the depth of the external interface, a sealing ring is arranged on the bottom surface of the external interface, and the sealing ring is positioned between the bottom surface of the external interface and the sealing joint.
Preferably, the inner diameter of the outer interface is the same as the inner diameter of the air outlet channel.
Further, the inner diameter of the cylindrical channel is not more than half of the inner diameter of the outer interface.
Furthermore, a square or rectangular screwing head is arranged in the middle of the outer end of the sealing head.
Further, the sum of the height of the screwing head and the height of the sealing head is greater than the depth of the outer interface.
Furthermore, the sealing ring is a rubber sealing washer, the outer diameter of the sealing ring is the same as the inner diameter of the outer interface, and the inner diameter of the sealing ring is the same as the outer diameter of the cylindrical channel.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a gas pipe connector for rock drill, not only accessible external tapping connects pressure measurement to detect pneumatic rock drill's work atmospheric pressure to in time adjust the pressure value, make rock drill performance maximum efficiency, but also can be through external tapping connection pressure protection device, bring the potential safety hazard with the use that reduces pneumatic rock drill. The utility model discloses a gas pipe connector for rock drill reasonable in design is simple, convenient to use, practicality are strong, are worth using widely.
Drawings
Fig. 1 is a schematic structural view of the present invention;
reference numbers in the figures: 100. a connector body; 110. an air outlet channel; 120. an air intake passage; 130. an external thread; 140. an outer extension section; 141. an external interface; 142. a cylindrical passage; 200. a threaded sleeve; 300. a screw body; 400. a limiting ring; 500. a sealing head; 510. screwing the head; 600. and (5) sealing rings.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Referring to fig. 1, the utility model discloses a gas pipe joint for rock drill, including the connector body 100 that is right angle shape, the outer disc of the end of giving vent to anger of connector body 100 is covered with the lock sleeve, the lock sleeve is by swivel nut 200 and revolve the body 300 and connect integratively and constitute, be equipped with the spacing ring 400 that is used for limiting the lock sleeve on the connector body 100 on the outer disc of the end of giving vent to anger of connector body 100, be provided with air outlet channel 110 in the end of giving vent to anger of connector body 100, be provided with inlet channel 120 in the end of giving vent to anger of connector body 100, the cross section of inlet channel 120 is greater than the cross section of air outlet channel 110, be provided with external screw thread 130 on the outer disc of the end of giving vent to anger of connector body 100, the body of the end of giving vent to anger is equipped with a section of extension 140 in the opposite direction of giving vent to anger, set up a take internal screw thread external connection 141 in the terminal surface middle part of extension 140, be equipped with a cylindrical passageway 142 between the bottom surface of external connection 141 and air inlet channel 120, the inner diameter of the cylindrical channel 142 is smaller than the inner diameter of the external interface 141, the axis of the external interface 141 coincides with the axis of the cylindrical channel 142 and the axis of the air outlet channel 110, a sealing head 500 with external threads is arranged in the external interface 141, the external threads of the sealing head 500 are matched with the internal threads of the external interface 141, the height of the sealing head 500 is smaller than the depth of the external interface 141, a sealing ring 600 is arranged on the bottom surface of the external interface 141, and the sealing ring 600 is positioned between the bottom surface of the external interface 141 and the sealing head 500.
The outer interface 141 has the same inner diameter as the outlet passage 110.
The inner diameter of the cylindrical passage 142 is half of the inner diameter of the outer interface 141.
The middle part of the outer end of the sealing head 500 is provided with a square screwing head 510.
The height of the screw head 510 is greater than the height of the seal head 500 and the depth of the outer interface 141.
The sealing ring 600 is a rubber sealing washer, the outer diameter of the sealing ring 600 is the same as the inner diameter of the outer interface 141, and the inner diameter of the sealing ring 600 is the same as the outer diameter of the cylindrical channel 142.
Before the pneumatic rock drill is used, the sealing joint 500 is firstly screwed out of the outer interface 141, the sealing joint can be connected with a pressure detection device through the outer interface 141 to detect the working air pressure of the pneumatic rock drill, the sealing joint can also be connected with a pressure protection device through the outer interface 141, and the pneumatic rock drill can be used in a ventilating mode after connection is completed. Of course, the operations of pressure detection and pressure protection can also be performed simultaneously on the external interface 141, which is not described herein in detail.
The above description is only an embodiment of the present invention, and should not be taken as limiting the invention, and all modifications and equivalents that are made within the spirit and principles of the present invention should be included within the scope of the present invention.
Claims (6)
1. The utility model provides a take air pipe joint for rock drill of pressure detection and pressure protection interface, including the joint body that is right angle shape, it has the lock sleeve to connect the outer disc of body one end of giving vent to anger to overlap, the lock sleeve is by the swivel nut and revolve the body coupling of revolving and constitute, be equipped with on the outer disc that connects the body one end tip of giving vent to anger and be used for limiting the lock sleeve the spacing ring on connecting the body, be provided with air outlet channel in the body one end of giving vent to anger of connecting, be provided with inlet channel in the body one end of admitting air of connecting, inlet channel's cross section is greater than air outlet channel's cross section, be provided with the external screw thread on the outer disc that connects body one end tip of admitting air, its characterized in that: the pipe body of the joint body air outlet end is provided with a section of external extension section along the opposite direction of air outlet, the middle part of the end surface of the external extension section is provided with an external interface with internal thread, a cylindrical channel is arranged between the bottom surface of the external interface and the air inlet channel, the internal diameter of the cylindrical channel is smaller than that of the external interface, the axis of the external interface is superposed with the axis of the cylindrical channel and the axis of the air outlet channel, a sealing joint with external thread is arranged in the external interface, the external thread of the sealing joint is matched with the internal thread of the external interface, the height of the sealing joint is smaller than the depth of the external interface, a sealing ring is arranged on the bottom surface of the external interface, and the sealing ring is positioned between the bottom surface of the external interface and the sealing joint.
2. The gas pipe joint with the pressure detection and pressure protection interface for the rock drill according to claim 1, characterized in that: the inner diameter of the external interface is the same as that of the air outlet channel.
3. The gas pipe joint with the pressure detection and pressure protection interface for the rock drill according to claim 1, characterized in that: the inner diameter of the cylindrical channel is not more than half of the inner diameter of the outer interface.
4. The gas pipe joint with the pressure detection and pressure protection interface for the rock drill according to claim 1, characterized in that: the middle part of the outer end of the sealing head is provided with a square or rectangular screwing head.
5. A gas pipe joint with a pressure detection and pressure protection interface for a rock drill according to claim 4, characterized in that: the height of the screwing head, the height of the sealing head and the depth of the sealing head are greater than the depth of the outer interface.
6. The gas pipe joint with the pressure detection and pressure protection interface for the rock drill according to claim 1, characterized in that: the sealing ring is a rubber sealing washer, the outer diameter of the sealing ring is the same as the inner diameter of the outer interface, and the inner diameter of the sealing ring is the same as the outer diameter of the cylindrical channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120306727.8U CN214274850U (en) | 2021-02-03 | 2021-02-03 | Air pipe joint with pressure detection and pressure protection interface for rock drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120306727.8U CN214274850U (en) | 2021-02-03 | 2021-02-03 | Air pipe joint with pressure detection and pressure protection interface for rock drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214274850U true CN214274850U (en) | 2021-09-24 |
Family
ID=77770224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120306727.8U Active CN214274850U (en) | 2021-02-03 | 2021-02-03 | Air pipe joint with pressure detection and pressure protection interface for rock drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214274850U (en) |
-
2021
- 2021-02-03 CN CN202120306727.8U patent/CN214274850U/en active Active
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