CN113804372B

CN113804372B - Leakage rate testing device for pipe joint sealing element for connecting oil hose of frying furnace

Info

Publication number: CN113804372B
Application number: CN202111372767.3A
Authority: CN
Inventors: 唐坚刚
Original assignee: Changzhou Weian Electric Appliance Co ltd
Current assignee: Medby Catering Equipment Qingdao Co ltd
Priority date: 2021-11-19
Filing date: 2021-11-19
Publication date: 2022-02-18
Anticipated expiration: 2041-11-19
Also published as: CN113804372A

Abstract

The invention relates to the technical field of leakage rate testing of pipe joint sealing elements, and provides a leakage rate testing device of a pipe joint sealing element for connecting a frying furnace oil hose, which comprises a heat insulation box body, a gas tank, data acquisition equipment and a movable shell, wherein the movable shell is arranged in the heat insulation box body, a valuator on the gas tank is connected with the movable shell through a gas inlet pipeline, the movable shell is also connected with the data acquisition equipment through a leakage gas outlet pipeline, the inner wall of the movable shell is combined into a plurality of cavities through a plurality of partition plates, telescopic pipelines are arranged in the cavities, each telescopic pipeline is provided with a gas leakage hole communicated with the leakage gas outlet pipeline, the open end of the movable shell is also connected with a sealing cover through a first rotating shaft, a connecting pipe is pre-arranged on the sealing cover, one end of the connecting pipe is connected with the gas inlet joint, and a sealing gasket is arranged between the gas inlet joint and the connecting pipe, the air inlet joint is communicated with the air inlet pipeline, and the other end of the connecting pipe is provided with a mounting mechanism for testing.

Description

Leakage rate testing device for pipe joint sealing element for connecting oil hose of frying furnace

Technical Field

The invention relates to the technical field of leakage rate testing of pipe joint sealing elements, in particular to a leakage rate testing device of a pipe joint sealing element for connecting a frying furnace oil hose.

Background

Chinese patent No. CN202010389892.4 discloses a leakage rate testing device of pipe joint sealing member, it is high to utilize high accuracy sensor and control system precision, can accurately control the temperature in the thermostated container, and then can accomplish the leakage rate measurement work to the test gasket of different shapes, size or specification, however, the device can only test a shape at every turn, the test gasket of size or specification, need carry out many times dismouting and just can accomplish the leakage rate measurement work to the test gasket of different shapes, size or specification, it is more time-consuming and laborious, lead to the work efficiency ratio lower, thereby lead to the practicality relatively poor.

Disclosure of Invention

The invention aims to provide a leakage rate testing device of a pipe joint sealing element for connecting a frying furnace oil hose, and aims to solve the problems of inconvenient use and poor practicability of the existing leakage rate testing device of the pipe joint sealing element for connecting the frying furnace oil hose.

In order to achieve the purpose, the invention provides the following technical scheme that the leakage rate testing device of the pipe joint sealing element for connecting the oil hose of the frying furnace comprises a heat insulation box body, a gas tank, data acquisition equipment and a movable shell, wherein the movable shell is arranged in the heat insulation box body, a constant value device is arranged on the gas tank and is connected with one end of the movable shell through a gas inlet pipeline, the other end of the movable shell is connected with the data acquisition equipment through a leakage gas pipe, a plurality of partition plates are arranged on the inner wall of the movable shell and are combined into a plurality of cavities, telescopic pipelines with the same size are arranged in the cavities, one end of each telescopic pipeline close to the data acquisition equipment is provided with a gas leakage hole communicated with the leakage gas pipe, and the heat insulation box body is provided with a threading hole at a position corresponding to the gas leakage hole, reveal the outlet duct and run through in the threading hole, the open end of portable casing still is connected with sealed lid through first pivot, the connecting pipe is equipped with in advance to sealed covering, the one end threaded connection of connecting pipe has air inlet joint, and installs sealed the pad between air inlet joint and the connecting pipe, air inlet joint and admission line intercommunication, test installation mechanism is installed to the other end of connecting pipe.

As a further scheme of the invention, the mounting mechanism for testing comprises a plurality of dismounting sleeves, a first framework, a second framework, an air guide assembly, an adjustable plugging assembly and a rotating ring, the number of the dismounting sleeves is a plurality, the outer diameters of the dismounting sleeves are uniform, the sizes of lower pipe joint mounting holes on the dismounting sleeves are not uniform, lower pipe joints are in threaded connection with the lower pipe joint mounting holes, the lower pipe joints are connected with upper pipe joints through test gaskets, one ends of the dismounting sleeves, far away from the lower pipe joints, are provided with air inlet holes, the air inlet holes are communicated with the lower pipe joint mounting holes, one ends of the dismounting sleeves, far away from the lower pipe joints, are mounted on the first framework, one ends of the dismounting sleeves, far away from the lower pipe joints, are embedded in a telescopic pipeline, the air guide assembly comprises a first air guide pipe, a second air guide pipe and an air guide joint, the first air guide pipe is connected with an air guide joint through a second air guide pipe, the number of the first air guide pipe and the second air guide pipe is consistent with the number of the disassembly sleeves, one end, close to an air inlet, of the first air guide pipe is provided with an air outlet, the air inlet is aligned with the center of the air outlet, the aperture of the air inlet is consistent with that of the air outlet, the air guide joint is in threaded connection with one end, far away from an air inlet pipeline, of a connecting pipe, the air guide joint is communicated with the air inlet pipeline, the air guide assembly and the adjustment type plugging assembly are both installed on a second framework, the adjustment type plugging assembly is distributed between the air inlet and the air outlet, two surfaces of the adjustment type plugging assembly are respectively connected with the disassembly sleeves and the first air guide pipe in a laminating manner, the first framework is connected with the second framework in an assembling manner, the first framework and the second framework are combined to form a circular clamping groove, and the rotating ring is rotatably connected in the circular clamping groove, and the rotating ring is meshed and connected with the adjustable plugging component.

As a further scheme of the present invention, the first framework and the second framework are respectively provided with a first groove and a second groove, the first groove and the second groove are respectively provided with a disassembling sleeve mounting groove and a first air duct mounting groove, the disassembling sleeve mounting groove and the first air duct mounting groove are mutually communicated, the second framework is further provided with a second air duct mounting groove communicated with the first air duct mounting groove, the disassembling sleeve is mounted in the disassembling sleeve mounting groove, the first air duct and the second air duct are respectively mounted in the first air duct mounting groove and the second air duct mounting groove, the first groove and the second groove are mutually corresponding in position, the first groove and the second groove are combined to form a cavity, a gap is reserved between the air inlet hole and the air outlet hole, and the size of the gap is consistent with the size of the cavity.

As a further scheme of the invention, the adjustable plugging component comprises an arc-shaped plate, a second rotating shaft, a rotating rod, a plugging block and first gear teeth, the rotating rod is rotatably connected in a cavity through the second rotating shaft, the plugging block is arranged at one end of the rotating rod positioned in the cavity, the plugging block is distributed in a gap between an air inlet and an air outlet, two surfaces of the plugging block are respectively attached to a disassembling sleeve and a first air guide pipe, the arc-shaped plate is arranged at one end of the rotating rod positioned outside the cavity, the arc-shaped plate is connected with a plurality of first gear teeth, a circular groove is formed in the surface of the rotating ring close to the arc-shaped plate, a plurality of second gear teeth are connected in the circular groove, the arc-shaped plate is positioned in the circular groove, the first gear teeth are engaged with the second gear teeth, a plurality of marking strips are further arranged on the side wall of the first framework, and the positions of the plurality of marking strips correspond to the positions of the disassembling sleeve and the position of the adjustable plugging component one to one, and an indicating strip is connected to the position, corresponding to the second gear teeth, on the rotating ring.

As a further scheme of the invention, a driving mechanism is arranged in the insulation can body and comprises a plurality of screw rods, a second transmission gear, a belt transmission assembly and a driving motor, the screw rods are connected with each other through the belt transmission assembly, one of the screw rods is connected with the driving motor, a fixed guide rail is further arranged at the opening end of the insulation can body, a sealing door, a support plate, a pulley, a second toothed plate, a lock cylinder and a lock body are arranged in the fixed guide rail, the number of the sealing doors is two, the two sealing doors are symmetrically distributed relative to the insulation can body, the second toothed plate is arranged on the sealing door, the second transmission gear is further arranged at one end of the screw rod close to the sealing door, the second toothed plate is meshed with the second transmission gear, the support plates are arranged at two ends of the sealing door close to the fixed guide rail, install a plurality of pulley in the backup pad, the backup pad is connected with the laminating of fixed guide rail surface, pulley and fixed guide rail sliding connection install lock core and lock body on two sealing door respectively, lock core and lock body plug-in connection.

As a further scheme of the invention, a nut seat is installed at the bottom of the movable shell, a plurality of nuts in threaded connection with the nut seat are pre-installed in the nut seat, a plurality of first through holes are further formed in the movable shell, second fixing rods are connected in the first through holes in a sliding manner, one end of each second fixing rod is fixedly connected to the inner wall of the heat preservation box body, a sliding block is connected to the outer wall of the telescopic pipeline, the sliding block is connected with one end, far away from the heat preservation box body, of the second fixing rod, second sliding grooves are formed in the inner wall of the heat preservation box body and the surface of the partition plate, and the sliding block is connected in the second sliding grooves in a sliding manner.

As a further scheme of the invention, a traction mechanism is further installed in the heat-insulating box body, the traction mechanism comprises a winding assembly, a traction rope and a fixed pulley, the winding assembly and the fixed pulley are installed on the inner wall of the heat-insulating box body, the winding assembly comprises a winding wheel and a first transmission gear, the winding wheel is coaxially connected with the first transmission gear, one end of the traction rope is wound on the winding wheel, the other end of the traction rope is connected with a sealing cover, the traction rope is in sliding connection with the fixed pulley, a flange is further installed on the sealing cover, a limiting groove and a fixing ring are respectively connected to the surface, close to and far away from the movable shell, of the flange, the traction rope is connected to the fixing ring, a first rack plate is installed on the surface, close to the traction mechanism, of the movable shell, and the first rack plate is in meshed connection with the first transmission gear.

As a further proposal of the invention, one side of the movable shell close to the flanging is also provided with a locking component, the locking component comprises a limiting block, a wedge-shaped block, a bracket, a third fixing rod and a first return spring, a wedge-shaped block is connected to one end of the limiting block, which is close to the movable shell, the limiting block is inserted and connected in the limiting groove, the third fixing rod is installed on the movable shell, the bracket is installed on the limiting block, and the bracket is movably sleeved on a third fixed rod which is also sleeved with a first return spring, the inner wall of the heat preservation box body is also provided with a first fixed rod, one end of the first fixed rod close to the locking component is provided with a pressing block, the inclined plane contact on briquetting and the wedge is connected, still install the fixed plate on the portable casing, first dead lever runs through in the hole that the fixed plate surface was seted up.

As a further scheme of the invention, the movable shell is further provided with a thrust assembly, the thrust assembly comprises a push plate, a sliding rod, a stop block and a second return spring, the movable shell is further provided with a first sliding groove, the sliding rod is connected with the first sliding groove in a sliding manner, the stop block is arranged at one end, positioned in the first sliding groove, of the sliding rod, the push plate is arranged at one end, positioned outside the first sliding groove, of the sliding rod, the sliding rod is sleeved with the second return spring, and the push plate is connected with the surface of the sealing cover in a fitting manner.

As a further aspect of the present invention, the lower tube joint mounting holes include a first lower tube joint mounting hole, a second lower tube joint mounting hole, a third lower tube joint mounting hole, a fourth lower tube joint mounting hole, a fifth lower tube joint mounting hole, and a sixth lower tube joint mounting hole, and the first lower tube joint mounting hole, the second lower tube joint mounting hole, the third lower tube joint mounting hole, the fourth lower tube joint mounting hole, the fifth lower tube joint mounting hole, and the sixth lower tube joint mounting hole have different apertures and depths.

In conclusion, the beneficial effects of the invention are as follows:

1. the sizes of the lower pipe joint mounting holes on the dismounting sleeves are all designed to be inconsistent, the dismounting sleeves can be used for simultaneously mounting lower pipe joints with different diameters and lengths, and further, leakage rate tests can be simultaneously carried out on test gaskets with different specifications;

2. the gas in the gas inlet joint enters the gas guide joint through the connecting pipe, then enters the first gas guide pipe along the second gas guide pipe, further enters the disassembly sleeve through the gas outlet hole and the gas inlet hole, further enters the upper pipe joint along the lower pipe joint and the test gasket, the gas leaked by the test gasket enters the telescopic pipelines, the data acquisition equipment can be simultaneously communicated with the plurality of telescopic pipelines, and further simultaneously detects the pressure change in the data acquisition equipment, so that the leakage rate measurement work of the test gaskets with different shapes, sizes or specifications is realized, and the characteristic of high working efficiency is realized;

3. rotating the rotating ring, when the indication strip marks the strip, the second gear teeth and the first gear teeth on the arc plate are engaged and connected, and then the rotating rod is driven to rotate around the second rotating shaft, so that the blocking block moves towards the direction close to or away from the air inlet hole and the air outlet hole, and stops until the second gear teeth leave the first gear teeth, it is noted that when the indication strip reaches the position of another indication strip, the above actions are repeated, so on, when the rotating ring rotates for one week, the blocking block sequentially reaches between the air inlet hole and the air outlet hole or between the air inlet hole and the air outlet hole, when the blocking block reaches between the air inlet hole and the air outlet hole, the gas circulation can be blocked, when the blocking block is far away from between the air inlet hole and the air outlet hole, the gas circulation can be ensured, through the mechanical regulation mode, on one hand, the number of the dismounting sleeves with gas circulation can be regulated according to the number of the test gaskets to be actually tested, on the other hand, the gas waste can be prevented, and when the rotating ring is rotated reversely, the blocking blocks can be reset in sequence, so that the sealing device has the characteristic of strong practicability;

4. when the driving motor drives the movable shell to move towards the direction close to the sealing door through the screw rod, the rotation of the screw rod can drive the sealing door to slide in the fixed guide rail through the meshing between the second transmission gear and the second rack plate, so that the sealing door can be completely opened when the movable shell reaches the sealing door, meanwhile, the second fixed rod can pull the telescopic pipeline to move towards the direction away from the sealing cover, the disassembling sleeve can be automatically separated from the telescopic pipeline, the sealing cover is convenient to open afterwards, and the automatic disassembling device has the characteristics of high automation degree and strong practicability;

5. when the movable shell moves towards the direction far away from the sealing door, the winding wheel can be driven to rotate through the meshing between the first rack plate and the first transmission gear, the winding wheel can drive the sealing cover to rotate around the first rotating shaft through the winding traction rope, so that the function of automatically closing the sealing cover is realized, meanwhile, the second fixed rod can push the telescopic pipeline to move towards the direction close to the sealing cover, so that the dismounting sleeve can be automatically inserted into the telescopic pipeline, meanwhile, the pressing block on the first fixed rod can press the limiting block into the limiting groove on the sealing cover through the wedge block, so that the position of the sealing cover is automatically fixed, and the movable shell has the characteristics of high automation degree and strong practicability;

6. when the portable casing moves towards the direction of being close to sealing door, the piece of exerting pressure on the first dead lever will be towards the square motion of keeping away from the wedge, under first reset spring's elastic force, can drive the stopper and keep away from the spacing inslot, thereby remove the fixed to sealed lid, and meanwhile, the winding wheel antiport, make the haulage rope can loosen from the winding wheel, and then lost the traction force to sealed lid, when sealed lid is closed, second reset spring is in the state of tightening, after losing the extrusion force of sealed lid, second reset spring's elasticity can drive the push pedal motion, and then drive sealed lid around first pivot antiport, the function of automatic opening sealed lid has been realized, possess the high and strong characteristics of degree of automation.

Drawings

FIG. 1 is a schematic plan view showing a leak rate testing apparatus for a pipe joint seal for connecting an oil hose of a fryer in accordance with an embodiment of the present invention.

Fig. 2 is a schematic plan view of a movable housing according to an embodiment of the present invention.

Fig. 3 is a schematic view of the assembly of the sealing door, the driving mechanism and the movable housing in the embodiment of the present invention.

Fig. 4 is a perspective view of a mobile housing in an embodiment of the invention.

Fig. 5 is a schematic view of the assembly of the sealing cover and the traction mechanism in the embodiment of the present invention.

Fig. 6 is a perspective view of a sealing cover and a traction mechanism in an embodiment of the present invention.

Fig. 7 is a perspective view of a sealing cap in an embodiment of the present invention.

FIG. 8 is a schematic view of the assembly of the test mounting mechanism and the seal cap in an embodiment of the present invention.

FIG. 9 is an exploded view of a test mounting mechanism in accordance with an embodiment of the present invention.

Fig. 10 is a first perspective view of a removal sleeve in an embodiment of the present invention.

FIG. 11 is a second perspective view of a removal sleeve in accordance with an embodiment of the present invention.

Fig. 12 is a first perspective view of the first frame in an embodiment of the invention.

Fig. 13 is a perspective view of the first frame with the removal sleeve installed in the embodiment of the present invention.

Fig. 14 is a perspective view of a second bobbin in an embodiment of the present invention.

FIG. 15 is a perspective view of an air guide assembly in an embodiment of the present invention.

FIG. 16 is a perspective view of a second armature with an air guide mounted thereto in an embodiment of the invention.

Fig. 17 is a perspective view of an adjustable occlusion assembly in accordance with an embodiment of the invention.

Fig. 18 is a diagram of the position relationship of the second frame, the adjustable occlusion component and the rotating ring in the embodiment of the invention.

Fig. 19 is a perspective view of a rotating ring in an embodiment of the present invention.

FIG. 20 is a diagram of the positional relationship of the adjustable plugging member, the removal sleeve and the air guide member in an embodiment of the present invention.

Fig. 21 is an assembly view of the first frame and the second frame in an embodiment of the present invention.

Fig. 22 is an assembly view of the first frame, the second frame and the rotating ring according to the embodiment of the present invention.

FIG. 23 is a schematic view of the assembly of the sealing door and the driving mechanism in an embodiment of the present invention.

Fig. 24 is a perspective view of a sealing door in an embodiment of the present invention.

Fig. 25 is a partial enlarged view of a in fig. 1 according to the present invention.

Fig. 26 is a partial enlarged view of b of fig. 1 according to the present invention.

Fig. 27 is a partial enlarged view of c of fig. 1 according to the present invention.

Fig. 28 is a partial enlarged view of d in fig. 2 according to the present invention.

Fig. 29 is a partial enlarged view of e in fig. 1 according to the present invention.

Figure 30 is a perspective view of a locking assembly in an embodiment of the present invention.

Reference numerals: 1-a heat preservation box body, 11-a heater, 12-a first fixing rod, 121-a pressure applying block, 13-a second fixing rod, 14-a threading hole, 15-a fixed guide rail, 2-a gas tank, 21-a valuator, 22-a gas inlet pipeline, 23-a gas inlet joint, 24-a sealing gasket, 3-data acquisition equipment, 31-a leakage gas outlet pipe, 4-a movable shell, 41-a telescopic pipeline, 411-a sliding block, 412-a nut seat, 413-a fixing plate, 42-a separation plate, 43-a first rotating shaft, 44-a first rack plate, 45-a gas leakage hole, 46-a first through hole, 47-a locking component, 471-a limiting block, 472-a wedge block, 473-a support, 474-a third fixing rod, 475-a first return spring, a pressure applying block, a pressure applying device and a pressure applying device, 48-thrust component, 481-push plate, 482-slide bar, 483-stop, 484-second return spring, 49-first slide groove, 410-second slide groove, 5-sealing cover, 51-flanging, 511-limit groove, 512-fixing ring, 52-connecting tube, 53-test mounting mechanism, 531-disassembly sleeve, 5311-lower tube joint mounting hole, 53111-first lower tube joint mounting hole, 53112-second lower tube joint mounting hole, 53113-third lower tube joint mounting hole, 53114-fourth lower tube joint mounting hole, 53115-fifth lower tube joint mounting hole, 53116-sixth lower tube joint mounting hole, 5312-air inlet hole, 532-first frame, 5321-first groove, 5322-disassembly sleeve mounting groove, 5323-marking strip mounting groove, 533-second frame, 5331-second groove, 5332-first air duct installing groove, 5333-second air duct installing groove, 534-air guide component, 5341-first air duct, 5342-second air duct, 5343-air outlet, 5344-air guide joint, 535-adjusting blocking component, 5351-arc plate, 5352-second rotating shaft, 5353-rotating rod, 5354-blocking block, 5355-first gear, 536-rotating ring, 5361-circular groove, 5362-second gear, 5363-indicating bar, 537-circular clamping groove, 538-cavity, 6-sealing door, 61-supporting plate, 62-pulley, 63-second gear plate, 64-lock core, 65-lock body, 7-traction mechanism, 71-winding component, 711-winding wheel, 712-first transmission gear, 72-traction rope, 73-fixed pulley, 8-driving mechanism, 81-screw rod, 82-second transmission gear, 83-belt transmission component, 84-driving motor, 9-upper pipe joint, 91-test gasket and 92-lower pipe joint.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, the terms "center", "lateral", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Specific implementations of the present invention are described in detail below with reference to specific embodiments.

Referring to fig. 1, 2, 4, 7 to 27, the leakage rate testing apparatus for a pipe joint sealing member for connecting a fryer oil hose according to an embodiment of the present invention includes a thermal insulation box 1, a gas tank 2, a data collecting device 3, and a movable housing 4, wherein the movable housing 4 is installed in the thermal insulation box 1, the gas tank 2 is installed with a setter 21, the setter 21 is connected to one end of the movable housing 4 through a gas inlet pipe 22, the other end of the movable housing 4 is connected to the data collecting device 3 through a leakage gas pipe 31, the inner wall of the movable housing 4 is installed with a plurality of partition plates 42, the plurality of partition plates 42 are combined to form a plurality of cavities, and telescopic pipes 41 with the same size are installed in the plurality of cavities, one end of the telescopic pipes 41 close to the data collecting device 3 is provided with a leakage hole 45 communicated with the leakage gas pipe 31, the utility model discloses a portable casing 4, including heat preservation box 1, leak gas hole 45, leak gas pipe 31 and seal lid 5, the position that corresponds with gas leakage hole 45 on the heat preservation box 1 has seted up through wires hole 14, leak out and run through in through wires hole 14, the open end of portable casing 4 still is connected with sealed lid 5 through first pivot 43, the last pre-installation of sealed lid 5 has connecting pipe 52, the one end threaded connection of connecting pipe 52 has air connector 23, and installs sealed pad 24 between air connector 23 and the connecting pipe 52, air connector 23 and admission line 22 intercommunication, test installation mechanism 53 is installed to the other end of connecting pipe 52.

In the embodiment of the present invention, a heater 11 is further disposed in the thermal insulation box 1 for changing the temperature inside the thermal insulation box 1, a micro-pressure sensor for monitoring the pressure change generated by the leaked gas is disposed in the data acquisition device 3, a data acquisition system is further disposed for calculating and drawing, the plurality of telescopic pipes 41 are sealed shells each having an opening at one end, and the gas in the gas tank 2 enters the mounting mechanism 53 for testing on the sealing cover 5 through the gas inlet pipe 22, the gas inlet joint 23 and the connecting pipe 52;

referring to fig. 7 to 27, in an embodiment of the invention, the mounting mechanism 53 for testing includes a plurality of detaching sleeves 531, a first framework 532, a second framework 533, an air guide assembly 534, an adjustable plugging assembly 535, and a rotating ring 536, the number of the detaching sleeves 531 is several, the outer diameters of the detaching sleeves 531 are all the same, the sizes of the lower pipe joint mounting holes 5311 on the detaching sleeves 531 are all different, the lower pipe joint mounting holes 5311 are connected with the lower pipe joint 92 in a female screw manner, the lower pipe joint 92 is connected with the upper pipe joint 9 through a test gasket 91, an air inlet 5312 is opened on one end of the detaching sleeve 531 away from the lower pipe joint 92, the air inlet 5312 is communicated with the lower pipe joint mounting holes 5311, one end of the detaching sleeve 531 away from the lower pipe joint 92 is mounted on the first framework 532, one end of the detaching sleeve 531 where the lower pipe joint 92 is mounted is embedded in the telescopic pipe 41, the air guide assembly 534 comprises a first air guide pipe 5341, a second air guide pipe 5342 and an air guide joint 5344, the first air guide pipe 5341 is connected with the air guide joint 5344 through the second air guide pipe 5342, the number of the first air guide pipe 5341 and the number of the second air guide pipe 5342 are the same as the number of the disassembly sleeve 531, one end of the first air guide pipe 5341 close to the air inlet 5312 is provided with an air outlet 5343, the air inlet 5312 is aligned with the center of the air outlet 5343, the aperture of the air inlet 5343 and the aperture of the air outlet are the same, the air guide joint 5344 is in threaded connection with one end of the connecting pipe 52 far away from the air inlet pipe 22, the air guide joint 5344 is communicated with the air inlet pipe 22, the air guide assembly 534 and the adjustable plugging assembly 535 are both mounted on the second framework 533, the adjustable plugging assembly 535 is distributed between the air inlet 5312 and the air outlet 5343, and two surfaces of the adjustable plugging assembly 535 are respectively in fit connection with the disassembly sleeve 531 and the first air guide pipe 5341, the first framework 532 and the second framework 533 are assembled and connected, the first framework 532 and the second framework 533 are combined to form a circular clamping groove 537, the rotating ring 536 is rotatably connected in the circular clamping groove 537, and the rotating ring 536 is engaged and connected with the adjustable blocking component 535.

In the embodiment of the invention, the sizes of the lower pipe joint mounting holes 5311 on the dismounting sleeves 531 are all designed to be different, and the dismounting sleeves can be used for simultaneously mounting the lower pipe joints 92 with different diameters and lengths, so that the leakage rate test on the test gaskets 91 with different specifications can be realized simultaneously, the traditional leakage rate testing device can only carry out one test gasket 91 with different shapes, sizes or specifications each time, and can complete the leakage rate measurement work of the test gaskets 91 with different shapes, sizes or specifications only by carrying out repeated dismounting, and the working efficiency can be greatly improved.

The gas in the air inlet joint 23 passes through the connecting pipe 52 and enters the air guide joint 5344, and then enters the first air guide pipe 5341 along the second air guide pipe 5342, and then enters the dismounting sleeve 531 through the air outlet 5343 and the air inlet 5312, and then enters the upper pipe joint 9 along the lower pipe joint 92, the gas leaked by the test gasket 91 can enter the telescopic pipeline 41, the data acquisition equipment 3 can be simultaneously communicated with a plurality of telescopic pipelines 41, and further simultaneously detect the pressure change inside the telescopic pipeline, thereby realizing the simultaneous measurement work of the leakage rate of the test gasket 91 with different shapes, sizes or specifications, and having the characteristic of high working efficiency.

Referring to fig. 12 to 27, in an embodiment of the present invention, the first frame 532 and the second frame 533 are respectively provided with a first groove 5321 and a second groove 5331 having the same number, the first groove 5321 and the second groove 5331 are respectively provided with a detachable sleeve mounting groove 5322 and a first airway tube mounting groove 5332, the detachable sleeve mounting groove 5322 and the first airway tube mounting groove 5332 are mutually communicated, the second frame 533 is further provided with a second airway tube mounting groove 5333 communicated with the first airway tube mounting groove 5332, the detachable sleeve 531 is mounted in the detachable sleeve mounting groove 5322, the first airway tube 5341 and the second airway tube 5342 are respectively mounted in the first airway tube mounting groove 5332 and the second airway tube mounting groove 5333, the first groove 5321 and the second groove 5331 are correspondingly positioned, the first groove 5321 and the second groove 5331 are combined to form a cavity 538, a gap is reserved between the air inlet 5312 and the air outlet 5343, and the size of the voids corresponds to the size of the cavity 538.

In an embodiment of the present invention, the cavity 538 is designed to accommodate the movement of the adjustable occluding component 535.

Referring to fig. 17 to 22, in an embodiment of the present invention, the adjustable plugging assembly 535 includes an arc plate 5351, a second rotating shaft 5352, a rotating rod 5353, a plugging block 5354 and first gear teeth 5355, the rotating rod 5353 is rotatably connected in the cavity 538 via the second rotating shaft 5352, the plugging block 5354 is mounted at one end of the rotating rod 5353 in the cavity 538, the plugging block 5354 is distributed in a gap between the air inlet 5312 and the air outlet 5343, two sides of the plugging block 5354 are respectively connected to the detaching sleeve 531 and the first air duct 5341 in a fitting manner, the arc plate 5351 is mounted at one end of the rotating rod 5353 outside the cavity 538, the arc plate 5351 is connected to a plurality of first gear teeth 5355, the rotating ring 536 is provided with a circular groove 5361 near the surface of the arc plate 5351, the circular groove 5361 is connected to a plurality of second gear teeth 5362, the arc plate 5351 is located in the circular groove 5361, and first teeth 5355 and second teeth 5362 are engaged, a plurality of marker strips 5323 are further mounted on the side wall of the first framework 532, the positions of the marker strips 5323 correspond to the positions of the dismounting sleeve 531 and the position of the adjustable plugging component 535 one by one, and an indication strip 5363 is connected to the position of the rotating ring 536 corresponding to the second teeth 5362.

In the embodiment of the present invention, when the indication bar 5363 corresponds to the mark bar 5323, the rotating ring 536 is rotated, and then the second gear 5362 is engaged with the first gear 5355 on the arc-shaped plate 5351, and further the rotating rod 5353 is driven to rotate around the second rotating shaft 5352, so that the blocking block 5354 moves toward or away from the air inlet 5312 and the air outlet 5343 until the second gear 5362 leaves the first gear 5355, it should be noted that when the indication bar 5363 reaches the position of another mark bar 5323, the above operations are repeated, and so on, when the rotating ring 536 rotates for one cycle, the blocking block 5354 sequentially reaches between the air inlet 5312 and the air outlet 5343 or between the air inlet 5312 and the air outlet 5343, when the blocking block 5354 reaches between the air inlet 5312 and the air outlet 5343, the flow of air can be blocked, when the blocking block 5354 is far away from between the air inlet 5312 and the air outlet 5343, can ensure gaseous circulation, through the mode of mechanical adjustment, the quantity of the dismantlement sleeve 531 that has the gas circulation is adjusted out to the quantity of the test gasket 91 that on the one hand can test according to actual need, and on the other hand can prevent gaseous waste, when the counter-rotation swivel ring 536, can reset the shutoff piece 5354 in proper order again, possesses the characteristics that the practicality is strong.

Referring to fig. 1, 3, 23, 24 and 29, in an embodiment of the present invention, a driving mechanism 8 is installed in the thermal insulation box body 1, the driving mechanism 8 includes a plurality of lead screws 81, a second transmission gear 82, a belt transmission assembly 83 and a driving motor 84, the plurality of lead screws 81 are connected to each other through the belt transmission assembly 83, one lead screw 81 of the plurality of lead screws 81 is connected to the driving motor 84, a fixed guide rail 15 is further installed at an open end of the thermal insulation box body 1, a sealing door 6, a support plate 61, a pulley 62, a second rack plate 63, a lock cylinder 64 and a lock body 65 are installed in the fixed guide rail 15, the number of sealing doors 6 is two, the two sealing doors 6 are symmetrically distributed with respect to the thermal insulation box body 1, the second rack plate 63 is installed on the sealing door 6, the second transmission gear 82 is further installed at one end of the lead screw 81 close to the sealing door 6, second rack plate 63 is connected with the meshing of second drive gear 82, backup pad 61 is all installed at the both ends that are close to fixed guide 15 on the sealing door 6, install a plurality of pulley 62 on the backup pad 61, backup pad 61 is connected with the laminating of fixed guide 15 surface, pulley 62 and fixed guide 15 sliding connection install lock core 64 and lock body 65 on two sealing doors 6 respectively, lock core 64 and lock body 65 are inserted and are closed and be connected.

In the embodiment of the present invention, when the driving motor 84 drives the screw rod 81 to rotate, the sealing door 6 can be driven to slide in the fixed rail 15 through the engagement between the second transmission gear 82 and the second rack plate 63, so as to realize the function of automatically opening and closing the sealing door 6.

Referring to fig. 1, 2, 4 and 28, in an embodiment of the present invention, a nut seat 412 is installed at the bottom of the movable housing 4, a plurality of nuts in threaded connection with the nut seat 412 are pre-installed in the nut seat 412, a plurality of first through holes 46 are further formed in the movable housing 4, a second fixing rod 13 is slidably connected in each of the plurality of first through holes 46, one end of the second fixing rod 13 is fixedly connected to the inner wall of the thermal insulation box 1, a sliding block 411 is connected to the outer wall of the telescopic pipe 41, the sliding block 411 is connected to one end of the second fixing rod 13, which is far away from the thermal insulation box 1, a second sliding groove 410 is formed in each of the inner wall of the thermal insulation box 1 and the surface of the partition plate 42, and the sliding block 411 is slidably connected to the second sliding groove 410.

In the embodiment of the present invention, when the driving motor 84 drives the movable housing 4 to move toward the direction close to the sealing door 6 through the screw rod 81, the rotation of the screw rod 81 can also drive the sealing door 6 to slide in the fixed guide rail 15 through the engagement between the second transmission gear 82 and the second rack plate 63, so that when the movable housing 4 reaches the sealing door 6, the sealing door 6 can be completely opened, and at the same time, the second fixed rod 13 can pull the telescopic pipe 41 to move toward the direction away from the sealing cover 5, so that the detaching sleeve 531 can automatically detach from the telescopic pipe 41, thereby facilitating the subsequent opening of the sealing cover 5.

Referring to fig. 1, 5 to 8, in an embodiment of the present invention, a traction mechanism 7 is further installed in the heat insulation box body 1, the traction mechanism 7 includes a winding assembly 71, a traction rope 72 and a fixed pulley 73, the winding assembly 71 and the fixed pulley 73 are both installed on an inner wall of the heat insulation box body 1, the winding assembly 71 includes a winding wheel 711 and a first transmission gear 712, the winding wheel 711 and the first transmission gear 712 are coaxially connected, one end of the traction rope 72 is wound on the winding wheel 711, the other end of the traction rope 72 is connected with the sealing cover 5, the traction rope 72 is slidably connected with the fixed pulley 73, the sealing cover 5 is further installed with a flange 51, a surface of the flange 51 close to and far from the movable housing 4 is respectively connected with a limiting groove 511 and a fixing ring 512, the traction rope 72 is connected with the fixing ring 512, a surface of the movable housing 4 close to the traction mechanism 7 is installed with a first rack plate 44, the first rack plate 44 is engaged with the first transmission gear 712.

In the embodiment of the present invention, when the movable housing 4 moves in a direction away from the sealing door 6, the winding wheel 711 can be driven to rotate by the engagement between the first rack plate 44 and the first transmission gear 712, the winding wheel 711 can drive the sealing cover 5 to rotate around the first rotating shaft 43 by the winding traction rope 72, so as to achieve a function of automatically closing the sealing cover 5, and at the same time, the second fixing rod 13 can push the telescopic pipe 41 to move in a direction close to the sealing cover 5, so that the detaching sleeve 531 can be automatically inserted into the telescopic pipe 41, and at the same time, the pressing block 121 on the first fixing rod 12 presses the limiting block 471 into the limiting groove 511 on the sealing cover 5 through the wedge block 472, so as to automatically fix the position of the sealing cover 5, which has the characteristics of high automation degree and strong practicability.

Referring to fig. 25 and 30, in an embodiment of the present invention, a locking assembly 47 is further installed on one side of the movable housing 4 close to the flange 51, the locking assembly 47 includes a limiting block 471, a wedge block 472, a bracket 473, a third fixing rod 474 and a first return spring 475, one end of the limiting block 471 close to the movable housing 4 is connected to the wedge block 472, the limiting block 471 is inserted into the limiting groove 511, the third fixing rod 474 is installed on the movable housing 4, the bracket 473 is installed on the limiting block 471, the bracket 473 is movably sleeved on the third fixing rod 474, the third fixing rod 474 is further sleeved with the first return spring 475, the first fixing rod 12 is further installed on the inner wall of the thermal insulation box 1, one end of the first fixing rod 12 close to the locking assembly 47 is installed with a pressing block 121, the pressing block 121 is in contact with an inclined surface of the wedge block 472, the movable housing 4 is further provided with a fixing plate 413, and the first fixing rod 12 penetrates through a hole formed in the surface of the fixing plate 413.

In the embodiment of the present invention, when the movable housing 4 moves toward the direction approaching the sealing door 6, the pressing block 121 on the first fixing rod 12 moves toward the direction away from the wedge block 472, and under the elastic force of the first return spring 475, the limiting block 471 can be driven to move away from the limiting groove 511, so as to release the fixing of the sealing cover 5, and at the same time, the winding wheel 711 rotates in the opposite direction, so that the pulling rope 72 can be released from the winding wheel 711, and the pulling force on the sealing cover 5 is lost.

Referring to fig. 25, in an embodiment of the present invention, a thrust assembly 48 is further installed on the movable housing 4, the thrust assembly 48 includes a push plate 481, a sliding rod 482, a stop 483 and a second return spring 484, the movable housing 4 is further provided with a first sliding slot 49, the sliding rod 482 is slidably connected to the first sliding slot 49, the stop 483 is installed at one end of the sliding rod 482 located in the first sliding slot 49, the push plate 481 is installed at one end of the sliding rod 482 located outside the first sliding slot 49, the sliding rod 482 is sleeved with the second return spring 484, and the push plate 481 is in surface contact connection with the sealing cover 5.

In the embodiment of the present invention, when the sealing cover 5 is closed, the second return spring 484 is in a tightened state, and when the extrusion force of the sealing cover 5 is lost, the elastic force of the second return spring 484 can drive the push plate 481 to move, so as to drive the sealing cover 5 to rotate around the first rotating shaft 43 in a reverse direction, thereby implementing a function of automatically opening the sealing cover, and having characteristics of high automation degree and strong practicability.

Referring to fig. 10, in an embodiment of the present invention, the lower tube joint mounting holes 5311 include a first lower tube joint mounting hole 53111, a second lower tube joint mounting hole 53112, a third lower tube joint mounting hole 53113, a fourth lower tube joint mounting hole 53114, a fifth lower tube joint mounting hole 53115, and a sixth lower tube joint mounting hole 53116, and the first lower tube joint mounting hole 53111, the second lower tube joint mounting hole 53112, the third lower tube joint mounting hole 53113, the fourth lower tube joint mounting hole 53114, the fifth lower tube joint mounting hole 53115, and the sixth lower tube joint mounting hole 53116 have different diameters and depths.

In the embodiment of the present invention, the number of the detaching sleeves 531 and the lower pipe joint mounting holes 5311 can be increased or decreased according to the requirement thereof, so as to meet the actual requirement.

The working process of the embodiment of the invention is as follows: the lower pipe joint 92, the test gasket 91 and the upper pipe joint 9 of different shapes, sizes or specifications to be tested are installed on the disassembling sleeve 531, the rotating ring 536 is rotated, when the indication strip 5363 corresponds to the mark strip 5323, the second gear teeth 5362 are engaged with the first gear teeth 5355 on the arc-shaped plate 5351 at this time, and further the rotating rod 5353 is driven to rotate around the second rotating shaft 5352, so that the blocking block 5354 moves towards the direction close to or away from the air inlet 5312 and the air outlet 5343 until the second gear teeth 5362 leave the first gear teeth 55, it should be noted that when the indication strip 5363 reaches the position of another mark strip 5323, the above operations are repeated, and so on, when the rotating ring 536 rotates for one circle, the blocking block 5354 sequentially reaches between the air inlet 5312 and the air outlet 5343 or between the air inlet 5312 and the air outlet 5343, when the blocking block 5354 reaches between the air inlet 5312 and the air outlet 5343, the gas circulation can be blocked, when the plugging block 5354 is far away from the space between the gas inlet port 5312 and the gas outlet port 5343, the gas circulation can be ensured, through a mechanical regulation mode, on one hand, the number of the disassembling sleeves 531 with the gas circulation can be regulated according to the number of the test gaskets 91 tested according to actual needs, on the other hand, the waste of the gas can be prevented, so that the disassembling sleeves 531 provided with the lower pipe joints 92 can be ventilated, the gas in the gas inlet joint 23 enters the gas guide joint 5344 through the connecting pipe 52, then enters the first gas guide pipe 5341 along the second gas guide pipe 5342, further enters the disassembling sleeves 531 through the gas outlet port 5343 and the gas inlet port 5312, further enters the upper pipe joint 9 along the lower pipe joints 92 and the test gaskets 91, the gas leaked from the test gaskets 91 can enter the telescopic pipelines 41, the data acquisition equipment 3 can be simultaneously communicated with the plurality of telescopic pipelines 41, and then detect the pressure change inside it at the same time, after the measurement is finished, when the driving motor 84 drives the movable housing 4 to move towards the direction close to the sealing door 6 through the lead screw 81, the rotation of the lead screw 81 can also drive the sealing door 6 to slide in the fixed guide rail 15 through the engagement between the second transmission gear 82 and the second rack bar plate 63, so that when the movable housing 4 reaches the sealing door 6, the sealing door 6 can be completely opened, at the same time, the second fixing rod 13 can also pull the telescopic pipe 41 to move towards the direction far from the sealing cover 5, so that the disassembling sleeve 531 can automatically separate from the telescopic pipe 41, which is convenient for opening the sealing cover 5 afterwards, the pressing block 121 on the first fixing rod 12 can move towards the square far from the wedge block 472, under the elastic force of the first reset spring 475, the limiting block 471 can be driven to keep away from the limiting groove 511, therefore, the fixing of the sealing cover 5 is released, meanwhile, the winding wheel 711 reversely rotates, so that the traction rope 72 can be loosened from the winding wheel 711, and then the traction force on the sealing cover 5 is lost, when the sealing cover 5 is closed, the second return spring 484 is in a tightened state, after the extrusion force of the sealing cover 5 is lost, the elastic force of the second return spring 484 can drive the push plate 481 to move, and then the sealing cover 5 is driven to reversely rotate around the first rotating shaft 43, and the function of automatically opening the sealing cover is realized.

Although several embodiments and examples of the present invention have been described for those skilled in the art, these embodiments and examples are presented as examples and are not intended to limit the scope of the invention. These new embodiments can be implemented in other various ways, and various omissions, substitutions, and changes can be made without departing from the spirit of the invention. These embodiments and modifications thereof are included in the scope and gist of the invention, and are included in the invention described in the claims and the equivalent scope thereof.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. Leakage rate testing arrangement of coupling sealing member for fryer oil hose connection, including insulation box (1), gas pitcher (2), data acquisition equipment (3) and portable casing (4), install in insulation box (1) portable casing (4), install valuator (21) on the gas pitcher (2), valuator (21) are connected portable casing (4) one end through admission line (22), the other end of portable casing (4) is through revealing out trachea (31) and connecting data acquisition equipment (3), its characterized in that, a plurality of division board (42) are installed to portable casing (4) inner wall, and a plurality of division board (42) make up and form a plurality of cavitys, and all install telescopic pipeline (41) of unanimous size in a plurality of cavitys, the one end that is close to data acquisition equipment (3) on telescopic pipeline (41) is provided with the hourglass gas pocket (45) that leaks out trachea (31) intercommunication, the utility model discloses a test installation mechanism, including insulation box body (1), leak the position that corresponds with gas leakage hole (45) and seted up through wires hole (14), reveal outlet duct (31) and run through in through wires hole (14), the open end of portable casing (4) still is connected with sealed lid (5) through first pivot (43), be connected with connecting pipe (52) on sealed lid (5), the one end threaded connection of connecting pipe (52) has air inlet connector (23), and installs sealed pad (24) between air inlet connector (23) and connecting pipe (52), air inlet connector (23) and admission line (22) intercommunication, test installation mechanism (53) are installed to the other end of connecting pipe (52), test installation mechanism (53) are including dismantling sleeve (531), first skeleton (532), second skeleton (533), air guide subassembly (534), regulation formula shutoff subassembly (535) and swivel becket (536), the number of the dismounting sleeves (531) is a plurality, the outer diameters of the dismounting sleeves (531) are all the same, and the sizes of the lower pipe joint mounting holes (5311) on the dismounting sleeves (531) are all different;

the lower pipe joint mounting hole (5311) is connected with a lower pipe joint (92) in a threaded manner, the lower pipe joint (92) is connected with an upper pipe joint (9) through a test gasket (91), one end, far away from the lower pipe joint (92), of the dismounting sleeve (531) is provided with an air inlet hole (5312), the air inlet hole (5312) is communicated with the lower pipe joint mounting hole (5311), one end, far away from the lower pipe joint (92), of the dismounting sleeve (531) is mounted on a first framework (532), one end, far away from the lower pipe joint (92), of the dismounting sleeve (531) is mounted in the telescopic pipeline (41), the air guide assembly (534) comprises first air guide pipes (5341), second air guide pipes (5342) and air guide joints (5344), the first air guide pipes (5341) are connected with the air guide joints (5344) through the second air guide pipes (5342), and the number of the first air guide pipes (5341) and the second air guide pipes (5342) is consistent with the number of the dismounting sleeve (531), an air outlet hole (5343) is formed in one end, close to an air inlet hole (5312), of the first air guide pipe (5341), the air inlet hole (5312) is aligned with the center of the air outlet hole (5343), the aperture of the air inlet hole (5312) and the aperture of the air outlet hole (5343) are identical, the air guide joint (5344) is in threaded connection with one end, far away from the air inlet pipeline (22), of the connecting pipe (52), the air guide joint (5344) is communicated with the air inlet pipeline (22), the air guide component (534) and the adjustable plugging component (535) are both mounted on the second framework (533), the adjustable plugging component (535) is distributed between the air inlet hole (5312) and the air outlet hole (5343), two surfaces of the adjustable plugging component (535) are respectively attached and connected with the detaching sleeve (531) and the first air guide pipe (5341), the first framework (532) and the second framework (533) are in assembly connection, the first framework (532) and the second framework (533) are combined to form a circular clamping groove (537), the rotating ring (536) is rotatably connected in the circular clamping groove (537), and the rotating ring (536) is meshed with the adjustable blocking component (535).

2. The device for testing the leakage rate of the pipe joint sealing member for connecting the fryer oil hose according to claim 1, wherein the first frame (532) and the second frame (533) are respectively provided with a first groove (5321) and a second groove (5331) which are the same in number, the first groove (5321) and the second groove (5331) are respectively provided with a disassembly sleeve mounting groove (5322) and a first air duct mounting groove (5332), the disassembly sleeve mounting groove (5322) and the first air duct mounting groove (5332) are communicated with each other, the second frame (533) is further provided with a second air duct mounting groove (5333) communicated with the first air duct mounting groove (5332), the disassembly sleeve (531) is mounted in the disassembly sleeve mounting groove (5322), the first air duct (5341) and the second air duct (5342) are respectively mounted in the first air duct mounting groove (5332) and the second air duct mounting groove (5333), the positions of the first groove (5321) and the second groove (5331) correspond to each other, the first groove (5321) and the second groove (5331) are combined to form a cavity (538), a gap is reserved between the air inlet hole (5312) and the air outlet hole (5343), and the size of the gap is consistent with that of the cavity (538).

3. The leakage rate testing device of the pipe joint sealing member for connecting the oil hose of the fryer according to claim 2, wherein the adjustable blocking component (535) comprises an arc-shaped plate (5351), a second rotating shaft (5352), a rotating rod (5353), a blocking block (5354) and first gear teeth (5355), the rotating rod (5353) is rotatably connected in the cavity (538) through the second rotating shaft (5352), the blocking block (5354) is installed at one end of the rotating rod (5353) positioned in the cavity (538), the blocking block (5354) is distributed in a gap between the air inlet hole (5312) and the air outlet hole (5343), two surfaces of the blocking block (5354) are respectively attached and connected with the disassembling sleeve (531) and the first air guide pipe (5341), the arc-shaped plate (5351) is installed at one end of the rotating rod (5353) positioned outside the cavity (538), and the arc-shaped plate (5351) is connected with a plurality of first gear teeth (5355), circular recess (5361) have been seted up on the surface that the swivel becket (536) is close to arc (5351), circular recess (5361) in-connection has a plurality of second teeth of a cogwheel (5362), arc (5351) are located circular recess (5361), and first teeth of a cogwheel (5355) and second teeth of a cogwheel (5362) meshing connection, a plurality of mark strip (5323) are still installed to first skeleton (532) lateral wall, the position of a plurality of mark strip (5323) and the position one-to-one of dismantling the position of sleeve (531) and adjusting formula shutoff subassembly (535), the position that corresponds with second teeth of a cogwheel (5362) on swivel becket (536) is connected with one and instructs strip (5363).

4. The device for testing the leakage rate of the pipe joint sealing member for connecting the fryer oil hose according to claim 3, wherein a driving mechanism (8) is installed in the heat preservation box body (1), the driving mechanism (8) comprises a plurality of lead screws (81), a second transmission gear (82), a belt transmission assembly (83) and a driving motor (84), the lead screws (81) are connected with each other through the belt transmission assembly (83), one lead screw (81) of the plurality of lead screws (81) is connected with the driving motor (84), a fixed guide rail (15) is further installed at the opening end of the heat preservation box body (1), a sealing door (6), a support plate (61), a pulley (62), a second rack plate (63), a lock cylinder (64) and a lock body (65) are installed in the fixed guide rail (15), the number of the sealing doors (6) is two, and two sealing door (6) are about insulation box (1) symmetric distribution, install second rack board (63) on sealing door (6), second drive gear (82) are still installed to the one end that is close to sealing door (6) on lead screw (81), second rack board (63) are connected with second drive gear (82) meshing, backup pad (61) are all installed at the both ends that are close to fixed guide (15) on sealing door (6), install a plurality of pulley (62) on backup pad (61), backup pad (61) are connected with fixed guide (15) surface laminating, pulley (62) and fixed guide (15) sliding connection install lock core (64) and lock body (65) on two sealing door (6) respectively, lock core (64) and lock body (65) are inserted and are closed and are connected.

5. The leakage rate testing device of the pipe joint sealing member for connecting the frying oil hose according to claim 4, wherein a nut seat (412) is installed at the bottom of the movable casing (4), a plurality of nuts in threaded connection with the nut seat (412) are pre-installed in the nut seat (412), a plurality of first through holes (46) are further formed in the movable casing (4), a second fixing rod (13) is slidably connected in each first through hole (46), one end of the second fixing rod (13) is fixedly connected to the inner wall of the thermal insulation box body (1), a sliding block (411) is connected to the outer wall of the telescopic pipeline (41), the sliding block (411) is connected with one end of the second fixing rod (13) far away from the thermal insulation box body (1), and second sliding grooves (410) are formed in the inner wall of the thermal insulation box body (1) and the surface of the partition plate (42), the sliding block (411) is connected in the second sliding groove (410) in a sliding mode.

6. The leak rate testing device of the pipe joint sealing member for connecting the fryer oil hose according to claim 5, characterized in that a traction mechanism (7) is further installed in the heat preservation box body (1), the traction mechanism (7) comprises a winding assembly (71), a traction rope (72) and a fixed pulley (73), the winding assembly (71) and the fixed pulley (73) are both installed on the inner wall of the heat preservation box body (1), the winding assembly (71) comprises a winding wheel (711) and a first transmission gear (712), the winding wheel (711) and the first transmission gear (712) are coaxially connected, one end of the traction rope (72) is wound on the winding wheel (711), the other end of the traction rope (72) is connected with the sealing cover (5), the traction rope (72) is slidably connected with the fixed pulley (73), the sealing cover (5) is further provided with a flange (51), the surface that is close to on turn-ups (51) and keeps away from portable casing (4) is connected with spacing groove (511) and solid fixed ring (512) respectively, haulage rope (72) are connected on solid fixed ring (512), the surface mounting who is close to drive mechanism (7) on portable casing (4) has first rack board (44), first rack board (44) are connected with first drive gear (712) meshing.

7. The leak rate testing device of the sealing member of the pipe joint for connecting the fryer oil hose according to claim 6, wherein a locking assembly (47) is further installed on one side of the movable housing (4) close to the flange (51), the locking assembly (47) comprises a limiting block (471), a wedge block (472), a bracket (473), a third fixing rod (474) and a first return spring (475), the wedge block (472) is connected to one end of the limiting block (471) close to the movable housing (4), the limiting block (471) is inserted and connected in the limiting groove (511), the third fixing rod (474) is installed on the movable housing (4), the bracket (473) is installed on the limiting block (471), the bracket (473) is movably sleeved on the third fixing rod (474), the first return spring (475) is further sleeved on the third fixing rod (474), first dead lever (12) are still installed to insulation box (1) inner wall, be close to locking Assembly (47) one end on first dead lever (12) and install pressure applying block (121), pressure applying block (121) and the inclined plane contact on wedge (472) are connected, still install fixed plate (413) on portable casing (4), first dead lever (12) run through in the hole that fixed plate (413) surface was seted up.

8. The device for testing the leakage rate of the pipe joint sealing element for connecting the frying oil hose according to claim 7, wherein a thrust assembly (48) is further installed on the movable shell (4), the thrust assembly (48) comprises a push plate (481), a sliding rod (482), a stop block (483) and a second return spring (484), a first sliding groove (49) is further formed in the movable shell (4), the sliding rod (482) is in sliding connection with the first sliding groove (49), the stop block (483) is installed at one end, located in the first sliding groove (49), of the sliding rod (482), the push plate (481) is installed at one end, located outside the first sliding groove (49), of the sliding rod (482), the second return spring (484) is sleeved on the sliding rod (482), and the push plate (481) is in surface fit connection with the sealing cover (5).

9. The leak rate testing device for the pipe joint seal for connecting a fryer oil hose according to claim 8, characterized in that the lower pipe joint mounting holes (5311) include a first lower pipe joint mounting hole (53111), a second lower pipe joint mounting hole (53112), a third lower pipe joint mounting hole (53113), a fourth lower pipe joint mounting hole (53114), a fifth lower pipe joint mounting hole (53115), and a sixth lower pipe joint mounting hole (53116), and the first lower pipe joint mounting hole (53111), the second lower pipe joint mounting hole (53112), the third lower pipe joint mounting hole (53113), the fourth lower pipe joint mounting hole (53114), the fifth lower pipe joint mounting hole (53115), and the sixth lower pipe joint mounting hole (53116) are different in aperture and hole depth.