CN217358905U

CN217358905U - Detection device for detecting air tightness of rubber tube

Info

Publication number: CN217358905U
Application number: CN202221361238.3U
Authority: CN
Inventors: 骆亚琴; 姚益明; 徐满仓; 王婷
Original assignee: Zhuji Shentong Rubber Plastic Pipe Industry Co ltd
Current assignee: Zhuji Shentong Rubber Plastic Pipe Industry Co ltd
Priority date: 2022-05-30
Filing date: 2022-05-30
Publication date: 2022-09-02
Anticipated expiration: 2032-05-30

Abstract

The utility model belongs to the technical field of rubber tube check out test set and specifically relates to a detection device for detecting rubber tube gas tightness is related to, and it includes the frame, is provided with air pump, barometer, intake pipe and shutoff pipe in the frame, the gas outlet intercommunication of intake pipe one end and air pump, be provided with the flow valve between intake pipe and the air pump, the flow valve is used for adjusting the air pump to the flow of intake pipe, the other end of intake pipe be used for with rubber tube one end intercommunication, shutoff pipe one end be used for with the other end intercommunication of rubber tube, the shutoff pipe other end communicates with the air inlet of barometer. Numerical value through the barometer shows that the gas tightness that makes the rubber tube detects more directly perceived clearly, and detection efficiency is high to the probability of error appears when reducing the detection.

Description

Detection device for detecting air tightness of rubber tube

Technical Field

The application relates to the field of rubber tube detection equipment, in particular to a detection device for detecting the air tightness of a rubber tube.

Background

The rubber tube is widely applied to the fields of coal, metallurgy, cement, ports, mines, petroleum, automobiles, textile, light industry, engineering machinery, construction, oceans, agriculture, aviation, aerospace and the like, and plays an indispensable role in national economy.

The sealing performance of the rubber tube needs to be detected after the rubber tube is produced, so that whether the sealing performance of the rubber tube can reach the standard or not is judged.

The Chinese utility model with the application number of CN201821710682.5 discloses a device for detecting the sealing performance of a rubber pipe fitting, which comprises an installation bottom plate, wherein two guide rail sliding block groups which are symmetrical to each other are fixedly installed at the top of the installation bottom plate, and a clamping mechanism I and a clamping mechanism II which are positioned between the two guide rail sliding block groups are fixedly installed at the top of the installation bottom plate; after the user presss from both sides tight rubber tube both ends respectively through clamping mechanism I and clamping mechanism II, toward inflating in the rubber tube, place device and rubber tube in aqueous together again, whether have the bubble to produce through observing the aqueous, judge the gas tightness of pipe fitting self.

In the related art, the inventor believes that when the rubber tube has only a few fine gaps, the bubbles generated in the water are relatively insignificant, which may cause detection errors.

SUMMERY OF THE UTILITY MODEL

In order to reduce the probability of error appearing when detecting, this application provides a detection device for detecting rubber tube gas tightness.

The application provides a detection device for detecting rubber tube gas tightness adopts following technical scheme:

the utility model provides a detection apparatus for be used for detecting rubber tube gas tightness, includes the frame, is provided with air pump, barometer, intake pipe and shutoff pipe in the frame, the gas outlet intercommunication of intake pipe one end and air pump, be provided with the flow valve between intake pipe and the air pump, the flow valve is used for adjusting the air pump and leads to the flow of intake pipe, the other end of intake pipe is used for and rubber tube one end intercommunication, shutoff pipe one end be used for with the other end intercommunication of rubber tube, the shutoff pipe other end communicates with the air inlet of barometer.

Through adopting above-mentioned technical scheme, when needing to detect the rubber tube gas tightness, with the rubber tube both ends respectively with intake pipe and shutoff pipe intercommunication, and aerify in toward the rubber tube through the air pump, after the definite time, close the flow valve, observe the numerical value of barometer, if the numerical value of barometer is unchangeable in a period, then it is good to show the gas tightness of rubber tube, numerical value through the barometer shows that the gas tightness that makes the rubber tube detects more directly perceived clearly, detection efficiency is high, thereby the probability of error appears when reducing the detection.

Preferably, the air pump timing device further comprises a timing module and a controller, the controller is connected with the flow valve and the air pump, the timing module is used for starting timing and outputting timing signals when the air pump is started, the controller is connected with the timing module to receive the timing signals, and the flow valve is controlled to cut off the air inlet pipe and the air pump is controlled to be closed when the time value exceeds the lowest value of the set interval.

By adopting the technical scheme, the controller controls the flow valve and the air pump to be closed, the flow valve and the air pump are closed more accurately and labor and time are saved compared with manual work, and therefore the detection efficiency is improved.

Preferably, the rack is further provided with an operation panel, the operation panel is connected with the controller, and the operation panel is used for adjusting the lowest value of the set interval according to an operation instruction of a user.

Through adopting above-mentioned technical scheme, the user can set for the minimum of interval in order to adapt to the rubber tube of unidimensional not through operating panel adjustment to increase detection device's application scope.

Preferably, the frame is further provided with two clamping assemblies which are respectively used for clamping two ends of the rubber tube, the clamping component comprises a circular ring frame connected with the frame, a plurality of arc-shaped plates, a sliding column, a spring and a mounting block, the arc-shaped plates, the sliding columns, the springs and the mounting blocks are consistent in quantity, the mounting blocks are connected with the outer wall of the circular ring frame and are distributed along the circumference of the circular ring frame in a circumferential manner, each mounting block is internally provided with a sliding groove, a plurality of sliding holes are arranged on the inner wall of the circular ring frame and are respectively communicated with the sliding grooves, the sliding column is connected with the sliding hole in a sliding way, one end of the sliding column penetrates through the sliding hole to be connected with a sliding block, the sliding block is connected with the sliding groove in a sliding way, the spring is located the spout and spring one end is connected with the slider, the spring other end is connected with the spout bottom, and a plurality of arcs mutually support and are used for centre gripping rubber tube.

Through adopting above-mentioned technical scheme, when needing to detect the gas tightness of rubber tube, the user stirs the traveller with the hand and makes three arc keep away from each other, and the spring compression inserts rubber tube one end again between the three arc, releases the traveller, and the spring extends, and the one end of centre gripping rubber tube is mutually supported to three arc, and the other end of rubber tube is fixed like this yet to rubber tube removes and leads to detecting the error when avoiding aerifing.

Preferably, the inner surface of the arc-shaped plate is connected with a rubber pad, and the rubber pad is used for being abutted against the surface of the rubber pipe.

Through adopting above-mentioned technical scheme, through rubber pad and rubber tube surface contact, avoid resulting in the damage of rubber tube, and the frictional force between rubber pad and the rubber tube is bigger than the frictional force of rubber tube and arc direct contact to prevent that the rubber tube from skidding.

Preferably, the air inlet pipe and the plugging pipe are both connected with plugs, two ends of each plug are communicated, the air inlet pipe and the plugging pipe are respectively communicated with two ends of the rubber pipe through the plugs, a groove is formed in the outer wall of one end of each plug, a sealing ring is arranged in the groove, and the sealing rings are used for being matched with the inner wall of the rubber pipe.

Through adopting above-mentioned technical scheme, when needing to detect the gas tightness of rubber tube, the user inserts the both ends of rubber tube with two plugs respectively, through the setting of sealing ring, avoids leaking gas and leads to there being detection error.

Preferably, the sealing ring adopts an inflatable sealing ring, and is connected with an air source.

Through adopting above-mentioned technical scheme, when the plug inserts in the rubber tube, aerify for the sealing ring so that the inner wall butt of sealing ring and rubber tube reaches sealed effect, inflatable seal can adapt to the rubber tube of unidimensional not to improve detection device's flexibility.

Preferably, the air inlet pipe and the plugging pipe both adopt corrugated pipes.

Through adopting above-mentioned technical scheme, the design of bellows is convenient for the plug, and reduces the occupation in space.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the air tightness of the rubber tube needs to be detected, the two ends of the rubber tube are respectively communicated with the air inlet tube and the plugging tube, the rubber tube is inflated through the air pump, after a certain time, the flow valve is closed, the numerical value of the barometer is observed, if the numerical value of the barometer is unchanged for a period of time, the air tightness of the rubber tube is good, the air tightness of the rubber tube is detected more visually and clearly through the numerical value display of the barometer, the detection efficiency is high, and therefore the probability of errors during detection is reduced;

2. the flow valve and the air pump are controlled to be closed through the controller, so that the flow valve and the air pump are closed more accurately and more manpower and time are saved compared with manual closing, and the detection efficiency is improved;

3. when needing to detect the gas tightness of rubber tube, the user stirs the traveller with the hand and makes three arc keep away from each other, and the spring compression inserts rubber tube one end again between the three arc, releases the traveller, and the spring extends, and the one end of three arc centre gripping rubber tube of mutually supporting also is fixed like this to the other end of rubber tube when avoiding aerifing the rubber tube removes and leads to detecting the error.

Drawings

Fig. 1 is a schematic view of the overall structure of a detection apparatus according to an embodiment of the present application.

Fig. 2 is a partially enlarged schematic view at a in fig. 1.

FIG. 3 is a cross-sectional schematic view of a clamping assembly of an embodiment of the present application.

Fig. 4 is a block diagram of a detection device according to an embodiment of the present application.

Description of reference numerals: 1. a frame; 2. an air pump; 3. a barometer; 4. an air inlet pipe; 5. plugging the pipe; 6. a flow valve; 7. a timing module; 8. a controller; 9. an operation panel; 10. a clamping assembly; 101. a circular ring frame; 102. an arc-shaped plate; 103. a traveler; 104. a spring; 105. mounting blocks; 1051. a slide hole; 1052. a chute; 106. a slider; 107. a rubber pad; 11. a plug; 111. a groove; 112. an inflation hole; 12. and (4) a sealing ring.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

The embodiment of the application discloses a detection device for detecting the air tightness of a rubber tube. Referring to fig. 1, fig. 2, a detection device for detecting rubber tube gas tightness includes frame 1, the both ends of frame 1 are provided with air pump 2 and barometer 3 respectively, the gas outlet intercommunication of air pump 2 has intake pipe 4, be provided with the flow valve 6 that is used for adjusting the flow in intake pipe 4 between intake pipe 4 and the air pump 2, intake pipe 4 passes through plug 11 and rubber tube one end intercommunication, the air inlet of barometer 3 is connected with shutoff pipe 5, shutoff pipe 5 passes through plug 11 and the other end of rubber tube and the one end intercommunication of rubber tube, still be equipped with two clamps on the frame 1 in addition and get the subassembly, two clamps are used for pressing from both sides the both ends of getting the rubber tube respectively in order to avoid the rubber tube to move about when aerifing.

The frame 1 is composed of a transverse plate and two vertical plates, the two vertical plates are respectively welded with two ends of the transverse plate, the air pump 2 is connected with the transverse plate through a bolt, the barometer 3 is connected with a connecting pipe through a bolt, one end of the connecting pipe is connected with the transverse plate through a bolt, the air inlet pipe 4 and the plugging pipe 5 are corrugated pipes, the plugging and unplugging are convenient, the occupied space is reduced, one ends of two plugs 11 are respectively communicated with the air inlet pipe 4 and the plugging pipe 5, a groove 111 is arranged on each plug 11, a sealing ring 12 is arranged in each groove 111, the sealing ring 12 adopts an inflatable sealing ring, one end of each plug 11, which is communicated with the air inlet pipe 4 or the plugging pipe 5, is provided with an inflation hole 112 communicated with the groove 111, the sealing ring 12 is convenient to inflate, after the plugs 11 are inserted into the rubber pipes, a user can hold an inflator pump to inflate the inflation holes 112 to the sealing ring 12, so that the sealing ring 12 is abutted against the inner walls of the rubber pipes to realize the sealing effect, but also can adapt to the inner walls of rubber pipes with different sizes.

Referring to fig. 1 and 3, the two clamping assemblies are arranged between the air pump 2 and the barometer 3, each clamping assembly comprises a circular frame 101 connected with the frame 1, three arc-shaped plates 102, three sliding columns 103, three springs 104 and three mounting blocks 105, the circular frame 101 is connected with the frame 1 through a connecting column by bolts, one end of the connecting column is welded with the bottom of the circular frame 101, the three mounting blocks 105 are integrally formed with the outer wall of the circular frame 101, the three mounting blocks 105 are circumferentially distributed along the circumference of the circular frame 101, a sliding groove 1052 is formed in each mounting block 105 near the center of the circular frame 101, 3 sliding holes 1051 are formed in the inner wall of the circular frame 101, the 3 sliding holes 1051 are communicated with the 3 sliding grooves 1052, one end of each sliding column 103 is connected with the outer wall of the arc-shaped plate 102, the other end of each sliding column 103 penetrates through the corresponding sliding hole 1051 to be connected with a sliding block 106, the sliding blocks 106 are slidably connected with the sliding grooves 1052, and the sliding columns 103 are slidably connected with the sliding holes 1051, the spring 104 is positioned in the sliding groove 1052, one end of the sliding groove 1052 is connected with the sliding block 106, the other end of the spring 104 is connected with the bottom of the sliding groove 1052, and the three arc-shaped plates 102 are mutually matched to lock the end part of the rubber pipe so as to adapt to the rubber pipes with different sizes; the inner wall of the arc-shaped plate 102 is connected with a rubber pad 107, the rubber pad 107 not only increases the friction force between the rubber pad 107 and the rubber tube, thereby avoiding the rubber tube from slipping, but also has elasticity and deformation capacity for adapting to the rubber tubes with different sizes.

Referring to the drawings, 1, fig. 4 further includes a controller 8 and a timing module 7, the controller 8 is an S7-200 PLC, the controller 8 is connected to the air pump 2, the flow valve 6 is an electric ball valve, the controller 8 is connected to the flow valve 6, the timing module 7 is a clock chip of DS1302 type, the controller 8 is connected to the timing module 7 to receive a timing signal and calculate a time value, and then compare the time value with a minimum value of a set interval, if the time value exceeds the minimum value of the set interval, the air pump 2 is controlled to be closed and the flow valve 6 is controlled to cut off the flow between the air pump 2 and the flow valve 6, the minimum value of the set interval is input by a user in advance, the set interval is set for the user to obtain convenience for detecting air tightness under the minimum value through a plurality of experiments, the barometer 3 lower than the minimum value of the set interval is not obvious in display, and the barometer 3 may be damaged by the maximum value higher than the set interval; still have operating panel 9 through bolted connection on the diaphragm of frame 1, operating panel 9 is connected with controller 8, and the user can input the instruction on operating panel 9 in order to change the setting interval that the controller 8 was stored to adapt to the rubber tube of different sizes, the rubber tube of different sizes is not more than thickness and the length of rubber tube.

The implementation principle of the detection device for detecting the air tightness of the rubber tube in the embodiment of the application is as follows: when the air tightness of the rubber tube needs to be detected, a user pulls the sliding column 103 with a hand to enable the three arc-shaped plates 102 to be away from each other, the spring 104 is compressed, one end of the rubber tube is placed between the three arc-shaped plates 102, the sliding column 103 is released, the spring 104 extends, the three arc-shaped plates 102 are mutually matched to clamp one end of the rubber tube, finally, the plug 11 connected with the air inlet tube 4 is inserted into the rubber tube, the sealing ring 12 is inflated, the rubber tube is fixed with the plug 11, and the other end of the rubber tube is also fixed; the rubber tube both ends are fixed the back and are aerifyd toward the rubber tube through air pump 2, timing module 7 begins to aerify in air pump 2 and begins timing and output timing signal, controller 8 is connected with timing module 7 in order to receive timing signal, and control flow valve 6 and cut intake pipe 4 and control air pump 2 and close when the time value surpassed the minimum of settlement interval, observe the numerical value change of barometer 3, if the numerical value of barometer 3 is unchangeable in a period of time, it is good to show the gas tightness of rubber tube, numerical value through barometer 3 shows that the gas tightness of making the rubber tube detects more directly perceived clearly, detection efficiency is high, thereby the probability of error appears when reducing the detection.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a detection device for detecting rubber tube gas tightness which characterized in that: including frame (1), be provided with air pump (2), barometer (3), intake pipe (4) and shutoff pipe (5) on frame (1), the gas outlet intercommunication of intake pipe (4) one end and air pump (2), be provided with flow valve (6) between intake pipe (4) and air pump (2), flow valve (6) are used for adjusting air pump (2) to the flow of intake pipe (4), the other end of intake pipe (4) is used for and rubber tube one end intercommunication, shutoff pipe (5) one end is used for the other end intercommunication with the rubber tube, the air inlet intercommunication of the other end of shutoff pipe (5) and barometer (3).

2. The detection device for detecting the air tightness of the rubber tube according to claim 1, wherein: still include timing module (7) and controller (8), controller (8) are connected with flow valve (6) and air pump (2), timing module (7) are used for beginning timing and output timing signal when air pump (2) start, controller (8) are connected with timing module (7) in order to receive timing signal to control flow valve (6) and cut off intake pipe (4) and control air pump (2) and close when the time value surpasss the minimum value of settlement interval.

3. The detection device for detecting the air tightness of the rubber tube according to claim 2, wherein: the machine frame (1) is further provided with an operation panel (9), the operation panel (9) is connected with the controller (8), and the operation panel (9) is used for adjusting the lowest value of the set interval according to an operation instruction of a user.

4. The detection device for detecting the air tightness of the rubber tube according to claim 1, wherein: the rubber tube clamping device is characterized in that two clamping assemblies (10) are further arranged on the rack (1), the two clamping assemblies (10) are respectively used for clamping two ends of a rubber tube, each clamping assembly (10) comprises a circular frame (101) connected with the rack (1), a plurality of arc-shaped plates (102), a sliding column (103), a spring (104) and mounting blocks (105), the number of the arc-shaped plates (102), the number of the sliding columns (103), the number of the springs (104) and the number of the mounting blocks (105) are consistent, the mounting blocks (105) are connected with the outer wall of the circular frame (101), the mounting blocks (105) are circumferentially distributed along the circumference of the circular frame (101), each mounting block (105) is internally provided with a sliding groove (1052), the inner wall of the circular frame (101) is provided with a plurality of sliding holes (1051), the plurality of the sliding holes (1051) are respectively communicated with the plurality of sliding grooves (1052), the sliding columns (103) are connected with the sliding holes (1051) in a sliding mode, and one end of each sliding column (103) penetrates through the corresponding sliding block (106), slider (106) and spout (1052) sliding connection, spring (104) are located spout (1052) and spring (104) one end is connected with slider (106), the spring (104) other end is connected with spout (1052) bottom, and a plurality of arcs board (102) are mutually supported and are used for the centre gripping rubber tube.

5. The detection device for detecting the airtightness of the rubber tube according to claim 4, wherein: the inner surface of the arc-shaped plate (102) is connected with a rubber pad (107), and the rubber pad (107) is used for being abutted against the surface of the rubber pipe.

6. The detection device for detecting the air tightness of the rubber tube according to claim 1, wherein: intake pipe (4) and shutoff pipe (5) all are connected with plug (11), plug (11) both ends intercommunication, intake pipe (4) and shutoff pipe (5) communicate with the both ends of rubber tube through plug (11) respectively, plug (11) one end outer wall is seted up fluted (111), be provided with sealing ring (12) in recess (111), sealing ring (12) are used for agreeing with each other with the inner wall of rubber tube.

7. The detection device for detecting the airtightness of the rubber tube according to claim 6, wherein: the sealing ring (12) adopts an inflatable sealing ring, and the sealing ring (12) is connected with an air source.

8. The detection device for detecting the air tightness of the rubber tube according to claim 1, wherein: the air inlet pipe (4) and the plugging pipe (5) both adopt corrugated pipes.