CN218349739U - Air tightness detection device - Google Patents
Air tightness detection device Download PDFInfo
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- CN218349739U CN218349739U CN202222031740.4U CN202222031740U CN218349739U CN 218349739 U CN218349739 U CN 218349739U CN 202222031740 U CN202222031740 U CN 202222031740U CN 218349739 U CN218349739 U CN 218349739U
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- 238000001514 detection method Methods 0.000 title claims abstract description 55
- 238000012360 testing method Methods 0.000 claims abstract description 8
- 238000009434 installation Methods 0.000 claims description 6
- 210000003437 trachea Anatomy 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 6
- 230000033001 locomotion Effects 0.000 abstract description 6
- 125000004122 cyclic group Chemical group 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Abstract
The utility model discloses an air tightness detection device, including the testing stand: the upper surface one side of test rack is provided with fixed branch, and is provided with fixed air cock on the fixed branch respectively, be provided with the barometer on the fixed air cock, the side of admitting air of fixed air cock is provided with the mechanism of aerifing, the upper surface opposite side of test rack is equipped with the slide opening, and swing joint has removal branch in the slide opening, be provided with the removal air cock on the removal branch, be provided with the reciprocal tensile subassembly of drive removal branch along the reciprocal linear motion of slide opening inner wall on the test rack. The utility model discloses in, this detection device adopts the drive mode of reciprocal tensile subassembly for remove branch and can play the cyclic tensile operation of intermittent type to the flexible trachea of connecting in the slide opening linear reciprocating motion, thereby can simulate flexible trachea and by tensile deformation state many times, and carry out accurate detection, the effectual detection effect who improves detection device to flexible tracheal gas tightness.
Description
Technical Field
The utility model relates to an air tightness detects technical field, especially relates to an air tightness detection device.
Background
The air tightness detection is a quality control application developed for improving the air tightness of vehicles, aircrafts, ships and warships for transportation departments, military departments and basic industries, and is applied to the air tightness evaluation of airplanes, automobiles, ships and internal containers.
Chinese patent publication No.: CN213874839U discloses "a airtightness detection device for connection of rubber hose", which includes a detection water tank, the last fixed surface of detection water tank is connected with the support frame, the lower fixed surface of support frame is connected with electric putter, electric putter keeps away from the one end fixedly connected with locating rack of support frame, the quantity of locating rack is two, one of them the lower fixed surface of locating rack is connected with air guide pipe head, one of them another the lower fixed surface of locating rack is connected with the locating pipe head, carry out fixed connection through the air duct between air guide pipe head and the air guide pipe head, one of them air guide pipe head fixedly connected with air guide hose, the one end fixedly connected with pump that air guide hose kept away from air guide pipe head, be provided with rubber hose between air guide pipe head and the locating pipe head.
The existing air tightness detection of the flexible air pipe generally adopts an air pipe clamping mode with two fixed ends, so that the air tightness of the flexible air pipe is kept in a specific state to be detected, the state of the flexible air pipe under multiple stretching deformation can not be simulated, and the result of the air tightness detection of the flexible air pipe is limited.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an adopt reciprocating stretching's drive mode, the airtight state of simulation flexible trachea under the tensile deformation repeatedly improves an airtightness detection device that the accuracy was overhauld to the gas tightness.
In order to achieve the above object, the present invention provides the following technical solutions: an airtightness detection apparatus includes a detection frame:
a fixed supporting rod is arranged on one side of the upper surface of the detection frame, fixed air nozzles are respectively arranged on the fixed supporting rods, an air pressure gauge is arranged on each fixed air nozzle, and an inflating mechanism is arranged on the air inlet side of each fixed air nozzle;
a sliding hole is formed in the other side of the upper surface of the detection frame, a movable supporting rod is movably connected in the sliding hole, and a movable air nozzle is arranged on the movable supporting rod;
and the detection frame is provided with a reciprocating stretching assembly for driving the movable support rod to linearly move in a reciprocating manner along the inner wall of the slide hole.
As a further description of the above technical solution:
the reciprocating stretching assembly comprises an L-shaped installation rod arranged on the detection frame, a motor is arranged at the horizontal end of the installation rod, a gear is connected to the output end of the motor, a rotary table is connected to the vertical end of the installation rod in a rotating mode, a toothed ring connected with the gear in a meshed mode is arranged on the lower surface of the rotary table, the upper surface of the rotary table is connected with a transmission rod through a sleeve, and the transmission rod is connected with the bottom of the movable supporting rod through the sleeve.
As a further description of the above technical solution:
the upper surface of the detection frame is provided with a sliding groove which is connected with the bottom of the fixed supporting rod in a sliding mode, the side wall of the sliding groove is provided with a limiting groove, and a limiting plate is embedded in the limiting groove.
As a further description of the above technical solution:
the device also comprises a clamping component;
the clamping assembly comprises a clamping pipe which is spirally connected to the fixed air faucet and the movable air faucet, a tightening rod is spirally connected to the clamping pipe, and an arc-shaped tightening plate is arranged at the end of the tightening rod.
As a further description of the above technical solution:
the inner wall of the clamping pipe is provided with a first sunken part, and the inner wall of the first sunken part is provided with a second sunken part matched with the abutting plate.
As a further description of the above technical solution:
the inflation mechanism comprises an inflation pump arranged on the detection frame, the inflation pump is connected with the fixed air faucet through an inflation tube, and a one-way air valve is arranged on the inflation tube.
As a further description of the above technical solution:
the outer wall of the movable supporting rod is provided with an anti-falling block, and the inner wall of the sliding hole is provided with an anti-falling groove matched with the anti-falling block.
In the technical scheme, the utility model provides a pair of gas tightness detection device has following beneficial effect:
this detection device adopts the drive mode of reciprocal tensile subassembly for remove branch and can play the cyclic stretching operation of intermittent type to the flexible trachea of connection on fixed air cock and removal air cock in the linear reciprocating motion in the slide opening, thereby can simulate flexible trachea and by tensile deformation state many times, and carry out accurate detection to flexible trachea's gas tightness, the effectual detection effect who improves detection device.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.
Fig. 1 is a schematic structural diagram of an air-tightness detecting device according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a detection frame according to an embodiment of the present invention;
fig. 3 is a schematic view of an internal structure of the clamping assembly according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a joint between the reciprocating stretching assembly and the movable support rod provided by the embodiment of the present invention.
Description of reference numerals:
1. an inflator pump; 2. fixing the supporting rod; 3. a detection frame; 31. a slide hole; 32. a chute; 33. a limiting groove; 34. a limiting plate; 35. a drop-proof groove; 4. a one-way air valve; 5. an inflation tube; 6. a barometer; 7. a clamping assembly; 71. clamping the tube; 72. a tightening rod; 73. a second recess; 74. a propping plate; 75. a first recess; 8. fixing an air faucet; 9. moving the air nozzle; 10. moving the strut; 101. an anti-drop block; 11. a reciprocating stretching assembly; 111. mounting a rod; 112. a motor; 113. a gear; 114. a turntable; 115. a toothed ring; 116. a transmission rod; 117. a sleeve.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.
As shown in fig. 1 to 4, an airtightness detection apparatus includes a detection frame 3:
a fixed supporting rod 2 is arranged on one side of the upper surface of the detection frame 3, fixed air nozzles 8 are respectively arranged on the fixed supporting rods 2, an air pressure gauge 6 is arranged on each fixed air nozzle 8, an inflating mechanism is arranged on the air inlet side of each fixed air nozzle 8, a sliding hole 31 is arranged on the other side of the upper surface of the detection frame 3, a movable supporting rod 10 is movably connected in the sliding hole 31, a movable air nozzle 9 is arranged on the movable supporting rod 10, the fixed air nozzles 8 are connected with one end of a flexible air pipe of an automobile braking system, the movable air nozzles 9 are connected with the other end of the flexible air pipe of the automobile braking system, so that the two ends of the flexible air pipe can be sealed and fixed, air is guided into the flexible air pipe through the fixed air nozzles 8 under the action of the inflating mechanism, a high-pressure environment is formed in the flexible air pipe, the air pressure in the flexible air pipe is detected in real time through the air pressure gauge 6, and whether the flexible air pipe leaks or not is judged according to the change condition of the air pressure gauge 6;
be provided with the reciprocal tensile subassembly 11 that drive removes branch 10 along the reciprocal linear motion of slide opening 31 inner wall on the testing stand 3, adopt the drive mode of reciprocal tensile subassembly 11, make and remove branch 10 and can be in slide opening 31 linear reciprocating motion, can play the circulating tensile operation of intermittent type to the flexible trachea of connection on fixed air cock 8 and removal air cock 9, thereby can simulate flexible trachea by tensile deformation state many times, and carry out accurate detection to flexible trachea's gas tightness, the effectual detection effect who improves detection device.
The reciprocating stretching assembly 11 comprises an L-shaped mounting rod 111 arranged on the detection frame 3, a motor 112 is arranged at the horizontal end of the mounting rod 111, a gear 113 is connected to the output end of the motor 112, a rotary table 114 is rotatably connected to the vertical end of the mounting rod 111, a toothed ring 115 meshed with the gear 113 is arranged on the lower surface of the rotary table 114, the upper surface of the rotary table 114 is connected with a transmission rod 116 through a sleeve 117, the transmission rod 116 is connected with the bottom of the movable supporting rod 10 through the sleeve 117, the gear 113 is driven to rotate through the driving action of the motor 112, the gear 113 is meshed with the toothed ring 115 to be connected, the rotary table 114 can be driven to rotate horizontally at the vertical end of the mounting rod 111, and under the action of the sleeve 117 and the transmission rod 116, the movable supporting rod 10 can be driven to move in a reciprocating manner in the sliding hole 31, that one end of the flexible air pipe can be stretched in a reciprocating manner, the state of the flexible air pipe after being stretched for multiple times can be simulated, and the high-efficiency detection effect of dynamic air tightness of the flexible air pipe can be realized.
The upper surface of test rack 3 is equipped with spout 32 with 2 bottom sliding connection of fixed branch, the lateral wall of spout 32 is equipped with spacing groove 33, and the embedded limiting plate 34 that is equipped with of spacing groove 33, the quantity of limiting plate 34 is two, and be located the limiting groove 33 of 2 both sides of fixed branch respectively, make two limiting plates 34 can fix the different positions in spout 32 with fixed branch 2, thereby change the interval size between fixed air cock 8 and the removal air cock 9, in order to satisfy the fixed static of different length flexible trachea and the gas tightness detection effect under the tensile developments.
The clamping device comprises a clamping assembly 7, the clamping assembly 7 comprises a clamping pipe 71 which is spirally connected to a fixed air faucet 8 and a movable air faucet 9, a resisting rod 72 is spirally connected to the clamping pipe 71, an arc-shaped resisting plate 74 is arranged at the end of the resisting rod 72, a first concave portion 75 is arranged on the inner wall of the clamping pipe 71, a second concave portion 73 matched with the resisting plate 74 is arranged on the inner wall of the first concave portion 75, when the two ends of a flexible air pipe are respectively connected to the fixed air faucet 8 and the movable air faucet 9, the clamping pipe 71 on the fixed air faucet 8 and the movable air faucet 9 is respectively rotated, the first concave portion 75 is moved to the outer side of the connection position of the flexible air pipe and the air faucet, then the resisting rod 72 is rotated to drive the resisting plate 74 to move out of the second concave portion 73 and tightly contact with the outer wall of the flexible air pipe, a further clamping and fixing effect can be achieved on the connection position of the two ends of the flexible air pipe, and the phenomenon that the end portion of the flexible air pipe even falls off when the flexible air pipe is stretched and deformed during detection is prevented.
The inflating mechanism comprises an inflating pump 1 arranged on the detection frame 3, the inflating pump 1 is connected with a fixed air faucet 8 through an inflating pipe 5, a one-way air valve 4 is arranged on the inflating pipe 5, the inflating pump 1 is started to enable the inflating pump to introduce high-pressure gas into the fixed air faucet 8 through the inflating pipe 5, the high-pressure gas can be introduced into the flexible air pipe, the flexible air pipe is in a high-pressure state, the requirement of air tightness detection is met, and gas backflow in the flexible air pipe is prevented through the one-way air valve 4.
The outer wall of the movable support rod 10 is provided with the anti-falling block 101, the inner wall of the sliding hole 31 is provided with the anti-falling groove 35 matched with the anti-falling block 101, when the movable support rod 10 moves in the reciprocating linear movement of the inner wall of the sliding hole 31, the anti-falling block 101 can move in the anti-falling groove 35, the movable state of the movable support rod 10 can be limited, the movable support rod 10 is prevented from sliding up and down in the sliding hole 31, and the stability of the movable state of the movable support rod 10 is improved.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (7)
1. The utility model provides an air tightness detection device, includes testing stand (3), its characterized in that:
a fixed supporting rod (2) is arranged on one side of the upper surface of the detection frame (3), fixed air nozzles (8) are respectively arranged on the fixed supporting rods (2), an air pressure gauge (6) is arranged on each fixed air nozzle (8), and an inflation mechanism is arranged on the air inlet side of each fixed air nozzle (8);
a sliding hole (31) is formed in the other side of the upper surface of the detection frame (3), a movable supporting rod (10) is movably connected into the sliding hole (31), and a movable air nozzle (9) is arranged on the movable supporting rod (10);
and the detection frame (3) is provided with a reciprocating stretching assembly (11) for driving the movable support rod (10) to reciprocate linearly along the inner wall of the slide hole (31).
2. The airtightness detection apparatus according to claim 1, wherein: reciprocating stretching subassembly (11) is including setting up installation pole (111) of L shape on test rack (3), the horizontal end of installation pole (111) is provided with motor (112), and the output of motor (112) is connected with gear (113), the vertical end of installation pole (111) rotates and is connected with carousel (114), and the lower surface of carousel (114) is provided with ring gear (115) of being connected with gear (113) meshing, and the upper surface of carousel (114) passes through sleeve pipe (117) and is connected with transfer line (116), and transfer line (116) are connected with the bottom of moving branch (10) through sleeve pipe (117).
3. The airtightness detection apparatus according to claim 1, wherein: the upper surface of detection frame (3) is equipped with spout (32) with fixed branch (2) bottom sliding connection, and the lateral wall of spout (32) is equipped with spacing groove (33), and spacing groove (33) embedded limiting plate (34) that is equipped with.
4. The airtightness detection apparatus according to claim 1, wherein: also comprises a clamping component (7);
the clamping assembly (7) comprises a clamping pipe (71) which is spirally connected to the fixed air faucet (8) and the movable air faucet (9), a tightening rod (72) is spirally connected to the clamping pipe (71), and an arc tightening plate (74) is arranged at the end of the tightening rod (72).
5. The airtightness detection apparatus according to claim 4, wherein: the inner wall of the clamping pipe (71) is provided with a first sunken part (75), and the inner wall of the first sunken part (75) is provided with a second sunken part (73) matched with the abutting plate (74).
6. The airtightness detection apparatus according to claim 1, wherein: the inflation mechanism comprises an inflator pump (1) arranged on the detection frame (3), the inflator pump (1) is connected with a fixed air faucet (8) through an inflation tube (5), and a one-way air valve (4) is arranged on the inflation tube (5).
7. The airtightness detection apparatus according to claim 1, wherein: the outer wall of the movable support rod (10) is provided with an anti-falling block (101), and the inner wall of the sliding hole (31) is provided with an anti-falling groove (35) matched with the anti-falling block (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222031740.4U CN218349739U (en) | 2022-08-03 | 2022-08-03 | Air tightness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222031740.4U CN218349739U (en) | 2022-08-03 | 2022-08-03 | Air tightness detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218349739U true CN218349739U (en) | 2023-01-20 |
Family
ID=84914242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222031740.4U Active CN218349739U (en) | 2022-08-03 | 2022-08-03 | Air tightness detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218349739U (en) |
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2022
- 2022-08-03 CN CN202222031740.4U patent/CN218349739U/en active Active
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