CN216279898U

CN216279898U - Lathe air pipe connector that leakproofness is good

Info

Publication number: CN216279898U
Application number: CN202122792371.6U
Authority: CN
Inventors: 徐佩
Original assignee: Wuhan Shizai Technology Co ltd
Current assignee: Wuhan Shizai Technology Co ltd
Priority date: 2021-11-15
Filing date: 2021-11-15
Publication date: 2022-04-12
Anticipated expiration: 2031-11-15

Abstract

The utility model discloses a machine tool air pipe joint with good sealing performance, which comprises a joint pipe body, wherein a water-swelling strip is arranged on the inner wall of the joint pipe body, the interior of an interlayer is of a hollow design, a water filling port is arranged at one end of the interlayer, a sealing plug is embedded and arranged in the water filling port, a through hole is formed in the surface, close to the water-swelling strip, of the interlayer, internal threads are arranged on the inner wall of the joint pipe body, an inner ring is sleeved on the surface of the joint pipe body, a detection ring is arranged on the outer side surface of the inner ring, and an alarm structure is arranged on the surface of the joint pipe body in a penetrating mode. According to the utility model, the joint pipe body and the related components are arranged, water is injected into the interlayer in the joint pipe body through the water injection port, so that the water-swelling strip swells, a gap between the connected air pipe and the water-swelling strip is filled, and the joint of the joint pipe body and the air pipe is in a closed state, so that the air pipe joint has good tightness and the possibility of air leakage is reduced.

Description

Lathe air pipe connector that leakproofness is good

Technical Field

The utility model relates to the technical field of air pipe connectors, in particular to a machine tool air pipe connector with good sealing performance.

Background

In the machining process of the machine tool, a large number of pneumatic structures are generally needed to assist in machining related parts, and in order to ensure stable transmission of gas and stability of gas pressure, a gas pipe connector with good sealing performance is needed to be used for realizing connection between multiple gas pipes, so that in the machining process of the machine tool, the sealing performance of the gas pipe connector has important significance for ensuring machining pneumatic operation.

The existing air pipe joint has the following defects:

1. patent document CN208778929U discloses a coupling for pneumatic manipulator, "including air pipe joint body and pipe, the spout has been seted up to the inner wall of pipe, the side surface fixedly connected with slider of air pipe joint body, the inner wall of spout and the surface swing joint of slider, the fixed surface of air pipe joint body has cup jointed solid fixed ring, and solid fixed ring is located the right side of slider, gu fixed ring's left side fixedly connected with clamping ring, first tooth's socket has been seted up in the left side of clamping ring, and the second tooth's socket has been seted up to the right-hand member of pipe. The air pipe joint for the pneumatic manipulator is provided with the sliding block, the pressing ring, the movable ring, the internal threaded pipe and the sealing ring, so that the problems that the air pipe joint for most of the existing pneumatic manipulators needs to be sealed by using a raw rubber belt when being installed, the number of winding turns of the raw rubber belt is difficult to control, the air pipe joint cannot be screwed in due to more winding, the sealing effect can be directly influenced due to less winding, and the installation is troublesome are solved;

2. the existing air pipe joint cannot detect whether an air leakage phenomenon exists in the pipe body or not when in use, so that the air pipe joint has good sealing performance at the joint and still cannot guarantee the overall sealing performance of the air pipe joint when in use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a machine tool air pipe joint with good sealing performance so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a machine tool air pipe joint with good sealing performance comprises a joint pipe body, wherein a water-swelling strip is installed on the inner wall of the joint pipe body, an interlayer is arranged inside the joint pipe body, the interlayer is hollow, water injection ports are arranged at one end of the interlayer at equal intervals, sealing plugs are installed in the water injection ports in an embedded mode, through holes are formed in the surface, close to the water-swelling strip, of the interlayer, inner threads are formed in the inner wall of the joint pipe body, and the inner threads are located behind the water-swelling strip;

an inner ring is sleeved on the surface of the joint pipe body, a detection ring is mounted on the outer side surface of the inner ring, and a cavity is formed between the detection ring and the inner ring;

the surface of the joint pipe body is provided with an alarm structure in a penetrating way.

Preferably, the inner wall of inner ring runs through and is equipped with the air vent, the surface mounting of inner ring has the air bag that the equidistance was arranged, and the mounted position and the installation quantity and the air vent one-to-one of air bag, detect the inner wall of ring and install the pressure sensors that the equidistance was arranged, and pressure sensors's mounted position and installation quantity and air bag one-to-one, the inner ring is sliding connection with the surface that connects the body.

Preferably, alarm structure is including humidity inductor and alarm, the surface of connecting the body runs through and installs humidity inductor, and humidity inductor's tail end and the surface contact who meets water inflation strip, the alarm is installed at humidity inductor's top.

Preferably, the humidity sensor is located the outside of detecting the ring, alarm and humidity sensor electric connection.

Preferably, the middle position on the surface of the joint pipe body is provided with a telescopic rod, and the tail end of the telescopic rod is connected with a bottom rod in a sliding manner.

Preferably, the bottom end surface of the bottom rod is sleeved with a rubber threaded sleeve, and the diameter of the rubber threaded sleeve is slightly larger than that of the bottom rod.

Preferably, the surface of the rubber threaded sleeve is in threaded connection with a sucker, a threaded hole is formed in the center of the top of the sucker, and the diameter of the threaded hole is the same as that of the rubber threaded sleeve.

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

1. according to the utility model, the connector pipe body is connected with the air pipe through the internal thread by installing the connector pipe body, the sealing plug, the water filling port, the water swelling strip and the internal thread, then water is filled into the interlayer in the connector pipe body through the water filling port to cause infiltration treatment on the water swelling strip, the water swelling strip swells at the moment, and a gap between the connected air pipe and the water swelling strip is filled, so that the connection part of the connector pipe body and the air pipe is in a closed state, the air pipe connector has better tightness, and the possibility of air leakage is reduced.

2. According to the utility model, the detection ring, the vent hole, the inner ring, the air bag, the pressure sensor and the alarm are arranged, when the surface of the joint pipe body is cracked to cause air leakage in the joint pipe body, gas leaked from the surface of the joint pipe body can enter the air bag through the vent hole, the air bag expands and extrudes the pressure sensor at the moment, the pressure sensor can send a warning signal to the alarm at the moment, the alarm sends out a warning prompt to remind a worker that the joint pipe body is cracked and needs to be replaced and used in time, the inner ring and the surface of the joint pipe body can slide and move, so that the detection ring can be moved to perform movable air leakage detection on the surface of the joint pipe body, and the detection comprehensiveness is enhanced.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the fitting body and alarm structure mounting structure of the present invention;

FIG. 3 is a schematic view of the installation structure of the detection ring and the inner ring of the present invention;

FIG. 4 is a schematic cross-sectional view of a detection ring according to the present invention;

FIG. 5 is a schematic view of the installation structure of the bottom rod, the suction cup and the rubber thread bushing of the present invention.

In the figure: 1. a joint pipe body; 101. a sealing plug; 102. a water injection port; 103. a water-swellable strip; 104. an internal thread; 2. a bottom bar; 201. a telescopic rod; 3. a suction cup; 301. a threaded hole; 4. a rubber thread bush; 5. an alarm structure; 501. a humidity sensor; 502. an alarm; 6. a detection ring; 601. a vent hole; 602. an inner ring; 603. an air bag; 604. a pressure sensor.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example one

Referring to fig. 1 and fig. 2, an embodiment of the present invention: a machine tool air pipe joint with good sealing performance comprises a joint pipe body 1, a water-swelling strip 103 is installed on the inner wall of the joint pipe body 1, an interlayer is arranged inside the joint pipe body 1, the interior of the interlayer is hollow, water injection ports 102 are arranged at one end of the interlayer at equal intervals, sealing plugs 101 are installed in the water injection ports 102 in an embedded mode, through holes are formed in the surface, close to the water-swelling strip 103, of the interlayer, inner threads 104 are arranged on the inner wall of the joint pipe body 1, and the inner threads 104 are located behind the water-swelling strip 103;

connect the surface of body 1 to run through and install alarm structure 5, alarm structure 5 is including humidity inductor 501 and alarm 502, connects the surface of body 1 to run through and installs humidity inductor 501, and humidity inductor 501's tail end and the surface contact of meeting water inflation strip 103, and alarm 502 is installed at humidity inductor 501's top.

The humidity sensor 501 is located outside the detection ring 6, and the alarm 502 is electrically connected to the humidity sensor 501.

Specifically, before the pipe connecting operation, the air pipe to be connected is firstly inserted into the interior of the connector pipe body 1, the connector pipe body 1 is connected with the air pipe through the internal thread 104, then water is injected into the interlayer in the connector pipe body 1 through the water injection port 102, the injected water body is subjected to infiltration treatment on the water-swelling strip 103 through the through hole, the water-swelling strip 103 is swelled at the moment, a gap between the inserted air pipe and the water-swelling strip 103 is filled, and the joint of the connector pipe body 1 and the air pipe is in a closed state, so that the air pipe connector is good in tightness and capable of reducing air leakage, and the sealing plug 101 is designed to plug the water injection port 102 and prevent overflow of the internal water body.

In water-swelling strip 103's use, the moisture on its surface volatilizees gradually, the humidity index on water-swelling strip 103 surface reduces gradually this moment, through the humidity index on humidity inductor 501 detectable water-swelling strip 103 surface, with this inflation degree of judging water-swelling strip 103, and then when its inflation degree is lower make water-swelling strip 103 and trachea surface produce the clearance, alarm 502 sends the warning suggestion, remind the staff in time to supply the water through water filling port 102 in order to guarantee that water-swelling strip 103 fully expands.

Example two

Referring to fig. 3-5, an embodiment of the present invention: the utility model provides a lathe air pipe connector that leakproofness is good, including detecting ring 6, inner ring 602 has been cup jointed on the surface of connecting body 1, the outside surface mounting of inner ring 602 detects ring 6, and detect and form the cavity between ring 6 and the inner ring 602, the inner wall of inner ring 602 runs through and is equipped with air vent 601, the surface mounting of inner ring 602 has the gasbag 603 that the equidistance was arranged, and the mounted position and the mounted quantity of gasbag 603 and air vent 601 one-to-one, the pressure sensors 604 that the equidistance was arranged are installed to the inner wall that detects ring 6, and the mounted position and the mounted quantity of pressure sensors 604 and gasbag 603 one-to-one, inner ring 602 is sliding connection with the surface that connects body 1.

Specifically, the alarm 502 is electrically connected with the pressure sensor 604, when a crack exists on the surface of the connector pipe body 1 to cause air leakage inside the connector pipe body 1, air leaked from the surface of the connector pipe body can enter the air bag 603 through the vent hole 601, the air bag 603 expands and extrudes the pressure sensor 604, the pressure sensor 604 can send a warning signal to the alarm 502, and the alarm 502 sends out a warning prompt to remind a worker that the connector pipe body 1 has the crack and needs to be replaced and used in time;

the inner ring 602 and the surface of the joint pipe body 1 can slidably move, so that the movable detection ring 6 can be moved to detect the movable air leakage on the surface of the joint pipe body 1, and the detection comprehensiveness is enhanced.

The middle position on the surface of the connector pipe body 1 is provided with a telescopic rod 201, and the tail end of the telescopic rod 201 is connected with a bottom rod 2 in a sliding way.

The bottom end surface of the bottom rod 2 is sleeved with a rubber thread sleeve 4, and the diameter of the rubber thread sleeve 4 is slightly larger than that of the bottom rod 2.

The surface of the rubber threaded sleeve 4 is in threaded connection with the sucker 3, the top center of the sucker 3 is provided with a threaded hole 301, and the diameter of the threaded hole 301 is the same as that of the rubber threaded sleeve 4.

Specifically, through sucking disc 3, can assist the stable connection between joint body 1 and the mounting surface, and the slide adjusting between telescopic link 201 and the sill bar 2, can assist joint body 1 to carry out the regulation of mounting height, threaded connection between rubber thread bush 4 and the sucking disc 3 in addition can conveniently replace sucking disc 3 to sucking disc 3 can in time be replaced after receiving the damage, with the stable absorption installation effect of guaranteeing sucking disc 3.

The working principle is as follows: when the air pipe joint is used, the installation position and the height of the joint pipe body 1 can be adjusted through the suction disc 3 and the telescopic rod 201, an air pipe to be connected is inserted into the joint pipe body 1, the joint pipe body 1 is connected with the air pipe through the internal threads 104, water is injected into an interlayer in the joint pipe body 1 through the water injection port 102, the injected water body infiltrates the water-swellable strip 103 through the through hole, the water-swellable strip 103 swells at the moment, a gap between the inserted air pipe and the water-swellable strip 103 is filled, and the joint of the joint pipe body 1 and the air pipe is in a closed state, so that the air pipe joint is good in tightness, the possibility of air leakage is reduced, and the sealing plug 101 is designed to plug the water injection port 102 and prevent the overflow of the water body inside;

when there is the crack on the surface of connecting body 1 and leads to connecting the inside gas leakage of body 1, inside gas accessible air bag 603 that its surface spilt got into through air vent 601, air bag 603 inflation produced the squeezing action to pressure sensors 604 this moment, and pressure sensors 604 can send warning signal to alarm 502 this moment, and alarm 502 sends the warning suggestion this moment, reminds this joint body 1 of staff to have the crack, needs in time to replace and use. It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a lathe air pipe joint that leakproofness is good, includes and connects body (1), its characterized in that: the inner wall of the connector tube body (1) is provided with a water-swelling strip (103), an interlayer is arranged inside the connector tube body (1), the interlayer is hollow, one end of the interlayer is provided with water injection ports (102) which are arranged at equal intervals, a sealing plug (101) is embedded inside the water injection ports (102), a through hole is formed in the surface, close to the water-swelling strip (103), of the interlayer, the inner wall of the connector tube body (1) is provided with an internal thread (104), and the internal thread (104) is located behind the water-swelling strip (103);

an inner ring (602) is sleeved on the surface of the joint pipe body (1), a detection ring (6) is mounted on the outer side surface of the inner ring (602), and a cavity is formed between the detection ring (6) and the inner ring (602);

the surface of the joint pipe body (1) is provided with an alarm structure (5) in a penetrating way.

2. The machine tool air pipe joint with good sealing performance as claimed in claim 1, wherein: the inner wall of inner ring (602) runs through and is equipped with air vent (601), the outer surface mounting of inner ring (602) has air bag (603) that the equidistance was arranged, and the mounted position and the installation quantity and air vent (601) one-to-one of air bag (603), detect the inner wall of ring (6) and install pressure sensors (604) that the equidistance was arranged, and the mounted position and the installation quantity and air bag (603) one-to-one of pressure sensors (604), inner ring (602) are sliding connection with the surface that connects body (1).

3. The machine tool air pipe joint with good sealing performance as claimed in claim 1, wherein: alarm structure (5) are including humidity transducer (501) and alarm (502), the surface of connecting body (1) runs through and installs humidity transducer (501), and the tail end of humidity transducer (501) and the surface contact who meets water inflation strip (103), alarm (502) are installed at the top of humidity transducer (501).

4. The machine tool air pipe joint with good sealing performance as claimed in claim 3, wherein: humidity inductor (501) are located the outside of detecting ring (6), alarm (502) and humidity inductor (501) electric connection.

5. The machine tool air pipe joint with good sealing performance as claimed in claim 1, wherein: the connector is characterized in that a telescopic rod (201) is installed in the middle of the surface of the connector pipe body (1), and the tail end of the telescopic rod (201) is connected with a bottom rod (2) in a sliding mode.

6. The machine tool air pipe joint with good sealing performance as claimed in claim 5, wherein: the bottom end surface of the bottom rod (2) is sleeved with a rubber thread sleeve (4), and the diameter of the rubber thread sleeve (4) is slightly larger than that of the bottom rod (2).

7. The machine tool air pipe joint with good sealing performance as claimed in claim 6, wherein: the surface of the rubber threaded sleeve (4) is in threaded connection with a sucker (3), a threaded hole (301) is formed in the center of the top of the sucker (3), and the diameter of the threaded hole (301) is the same as that of the rubber threaded sleeve (4).