CN117168695B - Sealing pressure detection device for engine oil radiator - Google Patents
Sealing pressure detection device for engine oil radiator Download PDFInfo
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- CN117168695B CN117168695B CN202311457642.XA CN202311457642A CN117168695B CN 117168695 B CN117168695 B CN 117168695B CN 202311457642 A CN202311457642 A CN 202311457642A CN 117168695 B CN117168695 B CN 117168695B
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- 238000001514 detection method Methods 0.000 title claims abstract description 110
- 239000010705 motor oil Substances 0.000 title claims abstract description 67
- 238000007789 sealing Methods 0.000 title claims abstract description 61
- 238000006243 chemical reaction Methods 0.000 claims description 55
- 230000007246 mechanism Effects 0.000 claims description 23
- 230000005540 biological transmission Effects 0.000 claims description 21
- 239000007788 liquid Substances 0.000 claims description 13
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 239000003921 oil Substances 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 238000009434 installation Methods 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 4
- 230000000881 depressing effect Effects 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The invention relates to the field of pressure detection devices, in particular to a sealing pressure detection device of an engine oil radiator. The connecting cylinder is used for sleeving the opening of the engine oil radiator, the detection piston can be arranged in the connecting cylinder in a vertical sliding mode, and the connecting cylinder is also in sealing contact. The detection rod is vertically arranged, the lower end of the detection rod is connected with the axle center of the detection piston, and the lower pressing column is arranged on the support in an up-down sliding manner. The lower pressure spring is vertically arranged, the upper end of the lower pressure spring is connected with the lower pressure column, and the lower end of the lower pressure spring is connected with the detection piston; the rotating sleeve is rotatably arranged at the upper end of the bracket and rotatably sleeved on the lower pressing column, and the rotating sleeve is in threaded fit with the lower pressing column so as to drive the lower pressing column to move downwards when the rotating sleeve rotates. The upper end of the detection rod extends out of the rotating sleeve upwards, the detection rod is driven to move downwards when the detection piston moves downwards, the air tightness of the engine oil radiator is unqualified, and the air tightness of the engine oil radiator is good when the position of the detection rod is unchanged.
Description
Technical Field
The invention relates to the field of pressure detection devices, in particular to a sealing pressure detection device of an engine oil radiator.
Background
Because the sealing performance determines whether the engine oil radiator can normally work or not, whether the engine oil radiator is required to be well detected, when the sealing performance is better, the normal work of equipment can be ensured, when the sealing performance is poorer, the normal work of the equipment cannot be ensured, so that the detection of the sealing performance of the engine oil radiator is necessary, and therefore, a pressure detection device is required to conveniently detect the sealing performance of the engine oil radiator so as to increase the product quality.
Disclosure of Invention
The invention provides a sealing pressure detection device of an engine oil radiator, which aims to solve the problem that the existing device cannot detect the sealing performance of the engine oil radiator.
The invention discloses a sealing pressure detection device of an engine oil radiator, which adopts the following technical scheme:
the sealing pressure detection device of the engine oil radiator comprises an engine oil radiator for detection, a bracket, a detection mechanism, a pressing mechanism and a driving mechanism; the lower end of the bracket is provided with a connecting cylinder; the connecting cylinder is used for sleeving the opening of the engine oil radiator; the detection mechanism comprises a detection piston and a detection rod; the detection piston is arranged in the connecting cylinder in a vertically sliding manner and is also in sealing contact with the connecting cylinder; the detection rod is vertically arranged, and the lower end of the detection rod is connected with the axle center of the detection piston; the pressing mechanism comprises a rotating sleeve, a pressing column and a pressing spring; the lower pressing column is arranged on the bracket in a vertically sliding manner; the lower pressure spring is vertically arranged, the upper end of the lower pressure spring is connected with the lower pressure column, and the lower end of the lower pressure spring is connected with the detection piston; the rotating sleeve is rotatably arranged at the upper end of the bracket and is rotatably sleeved on the lower pressing column, and the rotating sleeve is in threaded fit with the lower pressing column so as to drive the lower pressing column to move downwards when the rotating sleeve rotates; the upper end of the detection rod extends upwards to form a rotating sleeve; the driving mechanism is arranged on the bracket and used for driving the rotating sleeve to rotate.
Further, a mounting sleeve is sleeved on the connecting cylinder and fixedly connected with the bracket; the space between the mounting sleeve and the connecting cylinder is a mounting cavity; the bottom of the mounting cavity is an inclined plane; the connecting cylinder is sleeved with a sealing ring and is positioned in the mounting cavity; when the sealing ring is subjected to pressure in the axial direction, the sealing performance of the opening of the connecting cylinder and the engine oil radiator is enhanced; a pushing block is arranged in the mounting cavity and is positioned between the mounting sleeve and the sealing ring; the lower end of the pushing block is provided with a bottom inclined surface of the cavity, so that when the pushing block slides downwards relative to the inclined surface, the pushing block sealing ring has thrust in the axial direction; a pressing component is arranged between the pressing column and the pushing block, so that when the pressing column moves downwards, the pushing block is pressed downwards through the pressing component.
Further, the pressing component comprises a first connecting rod, a second connecting rod, a buffer spring and an adjusting part; the first connecting rod is vertically arranged, and the upper end of the first connecting rod is fixedly connected with the lower pressing column; the second connecting rod is arranged in the mounting cavity in a vertically sliding manner; one end of the buffer spring is connected with the second connecting rod, and the other end of the buffer spring is connected with the pushing block; the adjusting part is used for driving the second connecting rod to move downwards when the first connecting rod moves downwards, so that the buffer spring can push the second connecting rod to move upwards relative to the first connecting rod when the detection piston moves downwards relative to the connecting cylinder.
Further, the adjusting part comprises a gear shaft, an adjusting sliding block, a limiting block and a triggering block; the upper end of the mounting cavity is provided with an adjusting groove which is communicated with the mounting groove; the lower end of the first connecting rod and the upper end of the second connecting rod extend into the adjusting groove, and the first connecting rod and the second connecting rod are racks; the gear shaft is arranged between the first connecting rod and the second connecting rod and meshed with the first connecting rod and the second connecting rod respectively; the limiting block can be arranged in the adjusting groove in a sliding manner along the radial direction of the connecting cylinder; the adjusting slide block is arranged between the adjusting groove and the limiting block in a vertically sliding manner and is fixedly connected with the gear shaft; the trigger block is slidably arranged in the adjusting groove along the radial direction of the connecting cylinder, is positioned at one side of the second connecting rod close to the axis of the connecting cylinder, and is connected with the second connecting rod through a spring; the lower end of the trigger block is provided with an inclined plane and is contacted with the detection piston, so that when the detection piston moves downwards, the spring releases to push the trigger block to slide; the trigger block is fixedly connected with the limiting block.
Further, the mounting sleeve comprises an upper sleeve, a lower sleeve and a clamping sleeve; the upper sleeve is fixedly connected with the bracket; the lower sleeve is positioned at the lower side of the upper sleeve and is coaxially arranged with the upper sleeve; the inclined plane at the bottom of the mounting cavity is the upper end surface of the lower sleeve; the clamping sleeve is sleeved on the upper sleeve and the lower sleeve and is respectively clamped with the upper sleeve and the lower sleeve.
Further, the number of the pushing blocks is plural; a plurality of pushing blocks are uniformly distributed along the circumferential direction of the sealing ring; the upper ends of the sealing rings are provided with lower pressing rings; the lower compression ring is connected with the lower end of the buffer spring; the clamping sleeve is rotatably arranged; the lower end of the lower pressing column is provided with a transmission rod; the lower end of the transmission rod is in threaded fit with the clamping sleeve so as to drive the clamping sleeve to rotate in a first rotation direction when the transmission rod moves downwards; a conversion assembly is arranged between the clamping sleeve and the pushing blocks; when the conversion assembly is configured to rotate a preset angle in the first rotation direction of the clamping sleeve, only half of the pushing blocks are pressed by the lower pressing ring.
Further, the conversion assembly comprises a conversion ring, a plurality of conversion wheels and a plurality of conversion racks; the pushing block comprises an upper pushing block and a lower pushing block; the lower end of the upper pushing block and the upper end of the upper pushing block are inclined planes, and the upper pushing block can slide along the inclined plane of the lower pushing block; a plurality of conversion racks are circumferentially and uniformly distributed on the lower sleeve; converting the rack into an arc-shaped rack and fixedly connecting the arc-shaped rack with the lower sleeve; each conversion wheel can rotate and can be installed on an upward pushing block in an up-and-down sliding manner; the lower end of the conversion wheel is meshed with the conversion rack; the conversion ring is rotatably sleeved on the outer sides of the pushing blocks, is positioned between the upper sleeve and the lower sleeve, and is in unidirectional transmission with the clamping sleeve so as to drive the conversion ring to rotate when the clamping sleeve rotates in a first rotation direction; the shift ring may engage one half of the shift wheel.
Further, a plurality of sliding racks are uniformly distributed on the conversion ring; the number of the sliding racks is half of the number of the conversion wheels; the sliding rack slides along the radial direction of the conversion ring, so that the sliding rack is meshed with the conversion wheel when the sliding rack slides towards the axis direction; a plurality of sliding rods are uniformly distributed on the lower sleeve in the circumferential direction; each sliding rod is arranged along the radial direction of the lower sleeve and is in threaded connection with the lower sleeve so as to slide in the axial direction of the lower sleeve when the sliding rod rotates; the sliding rod is fixedly connected with the sliding rack; the outer end of the sliding rod is connected with the clamping sleeve through gear transmission.
Further, the detection piston is made of metal.
Further, the driving mechanism comprises a driving motor, and the driving motor is used for driving the rotating sleeve to rotate.
The beneficial effects of the invention are as follows: the sealing pressure detection device for the engine oil radiator is provided with the support, the detection mechanism, the pressing mechanism and the driving mechanism, and the engine oil radiator to be detected is injected with detection liquid. The connecting cylinder is sleeved on the opening of the engine oil radiator, and the driving mechanism drives the rotating sleeve to rotate. Because the rotating sleeve is in threaded fit with the pressing post, the rotating sleeve drives the pressing post to move downwards when rotating, and the pressing spring is compressed when the pressing post moves downwards. The downward pressure of the downward spring on the detection piston is used for determining the air tightness of the engine oil radiator by observing the position change of the detection rod. When the detection piston moves downwards, the detection rod is driven to move downwards, so that the air tightness of the engine oil radiator is unqualified, and when the position of the detection rod is unchanged, the air tightness of the engine oil radiator is better.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic diagram of an embodiment of a seal pressure detection device for an engine oil radiator according to the present invention;
FIG. 2 is a top view of an embodiment of the engine oil radiator seal pressure detection apparatus of the present invention;
FIG. 3 is a side view of an embodiment of the engine oil radiator seal pressure detection apparatus of the present invention;
FIG. 4 is an enlarged view of a portion of the portion I of FIG. 3;
FIG. 5 is an enlarged view of a portion of the portion at II in FIG. 4;
FIG. 6 is an enlarged view of a portion of III in FIG. 4;
FIG. 7 is an enlarged view of a portion at IV in FIG. 6;
FIG. 8 is a schematic view of a pressing assembly of an embodiment of a sealing pressure detecting device of an engine oil radiator according to the present invention;
FIG. 9 is a schematic diagram of a conversion assembly of an embodiment of an engine oil radiator seal pressure detection device of the present invention;
fig. 10 is a schematic structural view of a pushing block of an embodiment of the engine oil radiator tightness pressure detection device of the present invention;
FIG. 11 is a schematic view of the lower casing of an embodiment of the engine oil radiator leak tightness pressure detection device of the present invention;
in the figure: 120. an engine oil radiator; 130. a bracket; 140. a motor; 200. a detection mechanism; 210. a connecting cylinder; 211. a sealed housing; 212. a rotating sleeve; 213. a detection rod; 214. a first link; 215. a one-way valve; 216. pressing down the spring; 217. sleeving; 218. a lower sleeve; 219. pressing down a column; 221. a tooth shaft; 222. a second link; 223. a buffer spring; 224. a trigger block; 225. a lower pressing ring; 226. detecting a piston; 227. an adjusting slide block; 228. a limiting block; 230. a pushing block; 231. a clamping sleeve; 232. a slide bar; 233. a switching ring; 234. sliding racks; 235. a conversion wheel; 236. a transmission rod; 237. pushing down the block; 238. a push-up block; 239. converting a rack; 240. a threaded hole; 241. a seal ring; 310. and (3) a valve.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to 11, the embodiment of the sealing pressure detection device of the engine oil radiator 120 of the present invention comprises an engine oil radiator 120 for detection, a bracket 130, a detection mechanism 200, a pressing mechanism and a driving mechanism; the lower end of the bracket 130 is provided with a connecting cylinder 210; the connecting tube 210 is used for sleeving the opening of the engine oil radiator 120, and a sealing shell 211 is arranged on the connecting tube 210; specifically, the engine oil radiator 120 has two openings, and the lower end of the bracket 130 is provided with two connecting cylinders 210, which are respectively sleeved on the two engine oil radiators 120 that can be sleeved on the engine oil radiator 120. The support 130 is provided with a liquid supply device which is communicated with the sealing shell 211, and the detection liquid is injected into the sealing shell 211 and is downwards injected into the engine oil radiator 120 through a communicating tube. After the detection is finished, the detection liquid is discharged from the other opening of the engine oil radiator 120, the valve 310 is arranged on the connecting cylinder 210 on the opening, and the valve 310 is arranged on the bracket 130.
The detection mechanism 200 includes a detection piston 226 and a detection rod 213. The detecting piston 226 is slidably disposed in the connecting cylinders 210 up and down, is disposed in one of the connecting cylinders 210, and is also in sealing contact with the connecting cylinder 210, and the detecting piston 226 is provided with a check valve 215 for injecting the detecting liquid into the engine oil radiator 120 from above the detecting piston 226. The detection rod 213 is vertically disposed, and the lower end is connected to the axial center of the detection piston 226, so that the position of the detection rod 213 changes, and the tightness of the engine oil radiator 120 can be expressed.
The depressing mechanism includes a rotating sleeve 212, a depressing column 219, and a depressing spring 216. The pressing down column 219 is slidably mounted up and down on the bracket 130, and is slidably inserted up and down on the seal housing 211. The pressing spring 216 is vertically arranged, the upper end of the pressing spring 216 is connected with the pressing post 219, the lower end of the pressing spring is connected with the detecting piston 226, and when the pressing post 219 moves downwards, the pressing spring 216 contracts to store the force, and the pressing spring 216 has downward pressure on the detecting piston 226. The rotating sleeve 212 is rotatably arranged at the upper end of the bracket 130 and rotatably sleeved on the lower pressing column 219, and the rotating sleeve 212 is in threaded fit with the lower pressing column 219 so as to drive the lower pressing column 219 to move downwards when the rotating sleeve 212 rotates, and the inner wall of the rotating sleeve 212 and the peripheral wall of the lower pressing column 219 are respectively provided with a threaded groove so as to enable the rotating sleeve 212 to be in threaded fit with the lower pressing column 219. The upper end of the detecting rod 213 extends upwards to form a rotating sleeve 212; when the oil radiator 120 is filled with the detection liquid, the rotating sleeve 212 rotates and drives the pressing post 219 to move downwards, so that the pressing spring 216 contracts to store the force, and when the oil radiator 120 leaks, the detection piston 226 moves downwards, so that the detection rod 213 is driven to move downwards. The driving mechanism is disposed on the bracket 130 and is used for driving the rotating sleeve 212 to rotate. The driving mechanism is a motor 140, the motor 140 is fixedly arranged on the bracket 130, a driving gear is arranged on an output shaft of the motor 140, and the driving gear is meshed with the rotating sleeve 212 so as to drive the driving sleeve to rotate through rotation of the driving gear.
In this embodiment, as shown in fig. 1 to 8, a mounting sleeve is sleeved on the connecting tube 210, and the mounting sleeve is fixedly connected with the bracket 130. The inner cylinder is arranged in the connecting cylinder 210, a gap between the inner cylinder and the connecting cylinder 210 is a splicing groove, and the connecting cylinder 210 is inserted on an opening of the engine oil radiator 120 through the splicing groove, so that the tightness of the joint of the opening is improved. The space between the mounting sleeve and the connecting cylinder 210 is a mounting cavity, and the bottom of the mounting cavity is an inclined plane gradually far away from the axle center from bottom to top. The connecting cylinder 210 is sleeved with the sealing ring 241 and is positioned in the mounting cavity, the sealing ring 241 is made of rubber, the lower end of the connecting cylinder 210 is fixedly connected with the sealing ring 241 in a sealing way, and when the sealing ring 241 is subjected to pressure in the axial direction, the sealing performance of the connecting position of the connecting cylinder 210 and the opening of the engine oil radiator 120 is enhanced, so that the sealing performance of the connecting position of the connecting cylinder 210 and the opening of the engine oil radiator 120 is further enhanced. A pushing block 230 is arranged in the mounting cavity, and the pushing block 230 is positioned between the mounting sleeve and the sealing ring 241. The bottom inclined surface of the installation cavity at the lower end of the pushing block 230 is contacted, so that when the pushing block 230 slides downwards relative to the inclined surface, the sealing ring 241 of the pushing block 230 has thrust in the axial direction, and the lower end of the pushing block 230 is also the inclined surface and is matched with the inclined surface at the bottom of the installation cavity. A pressing assembly is provided between the pressing post 219 and the push block 230 so that when the pressing post 219 moves downward, the push block 230 is pressed downward by the pressing assembly.
In the present embodiment, as shown in fig. 4 to 8, the pressing assembly includes a first link 214, a second link 222, a buffer spring 223, and an adjusting portion. The first connecting rod 214 is vertically arranged, and the upper end of the first connecting rod is fixedly connected with the pressing column 219. The second connecting rod 222 is slidably disposed in the installation cavity up and down, the upper end of the installation cavity is provided with a through hole communicated with the sealing shell 211, and the first connecting rod 214 and the second connecting rod 222 both pass through the installation cavity. One end of the buffer spring 223 is connected to the second link 222, and the other end is connected to the push block 230, and the second link 222 moves downward to have a downward pressure on the push block 230 by the buffer spring 223. The adjusting part is connected with the first connecting rod 214 and the second connecting rod 222, and is used for driving the second connecting rod 222 to move downwards when the first connecting rod 214 moves downwards, so that when the detecting piston 226 moves downwards relative to the connecting cylinder 210, the buffer spring 223 can push the second connecting rod 222 to move upwards relative to the first connecting rod 214, and further the total length of the first connecting rod 214 and the second connecting rod 222 is shortened, so that the accumulating force of the buffer spring 223 releases a part, the downward pressure of the buffer spring 223 on the pushing block 230 is reduced, and the sealing ring 241 is prevented from being always in a device with larger pressure, so that the effect of protecting the sealing ring 241 is achieved. The number of the pressing assemblies can be two.
In this embodiment, as shown in fig. 4 to 8, the adjusting portion includes a gear shaft 221, an adjusting slider 227, a stopper 228, and a trigger block 224. The upper end of the mounting cavity is provided with an adjusting groove which is communicated with the mounting groove; the lower end of the first connecting rod 214 and the upper end of the second connecting rod 222 extend into the adjusting groove; the first link 214 and the second link 222 are racks; the gear shaft 221 is disposed between the first link 214 and the second link 222 and is engaged with the first link 214 and the second link 222, respectively, and when the gear shaft 221 cannot rotate, the first link 214 drives the second link 222 downward in synchronization with the downward movement, and when the gear shaft 221 is rotatable, the second link 222 moves upward, the gear shaft 221 rotates, and the second link 222 moves upward with respect to the first link 214. The limiting block 228 can be slidably arranged in the adjusting groove along the radial direction of the connecting cylinder 210; the adjusting slide block 227 is arranged between the adjusting groove and the limiting block 228 in a vertically sliding manner, the adjusting slide block 227 is fixedly connected with the gear shaft 221, when the limiting block 228 is contacted with the adjusting slide block 227, the adjusting slide block 227 can only slide up and down, and when the limiting block 228 slides towards the axis direction of the connecting cylinder 210, the adjusting slide block 227 is not contacted with the limiting block 228, so that the adjusting slide block 227 can rotate for a certain angle. The trigger block 224 is slidably disposed in the adjusting groove along the radial direction of the connecting cylinder 210, the adjusting groove is communicated with the inside of the connecting cylinder 210, the trigger block 224 is located at one side of the second connecting rod 222 near the axis of the connecting cylinder 210, and is connected with the second connecting rod 222 through a spring, so that the trigger block 224 has a tendency to move towards the connecting cylinder 210. The lower end of the trigger block 224 is provided with an inclined surface and is in contact with the detection piston 226, so that when the detection piston 226 moves downwards, the spring releases to push the trigger block 224 to slide, the upper end of the detection piston 226 is also provided with an inclined surface, so that when the displacement amount of the detection piston 226 moving downwards is more, the displacement amount of the trigger block 224 in the direction of the connecting cylinder 210 is more, the trigger block 224 is fixedly connected with the limiting block 228, when the trigger block 224 moves in the direction of the connecting cylinder 210, the limiting block 228 is driven to move inwards, the size of the downward displacement amount of the detection piston 226 is further caused, the size of the displacement amount of the limiting block 228 is solved, the rotating angle of the adjusting slide block 227 is determined, the total length of the first connecting rod 214 and the second connecting rod 222 is further changed, and the pressure of the spring to the pushing block 230 is further adjusted.
In this embodiment, as shown in fig. 4 to 8, the mounting sleeve includes an upper sleeve 217, a lower sleeve 218, and a snap sleeve 231. The upper sleeve 217 is fixedly connected with the bracket 130, the lower sleeve 218 is positioned at the lower side of the upper sleeve 217 and is coaxially arranged with the upper sleeve 217, and the inclined plane at the bottom of the installation cavity is the upper end face of the lower sleeve 218. The clamping sleeve 231 is sleeved on the upper sleeve 217 and the lower sleeve 218 and is respectively clamped with the upper sleeve 217 and the lower sleeve 218, T-shaped rings are arranged on the peripheral walls of the upper sleeve 217 and the lower sleeve 218, and the clamping sleeve 231 is respectively connected with the T-shaped rings of the upper sleeve 217 and the lower sleeve 218.
The number of the pushing blocks 230 is plural, the plurality of pushing blocks 230 are uniformly distributed along the circumferential direction of the sealing ring 241, in particular, the number of the pushing blocks 230 is eight, and the eight pushing blocks 230 comprise four first pushing blocks and four second pushing blocks, and the first pushing blocks and the second pushing blocks are alternately arranged. The upper ends of the sealing rings 241 are provided with lower pressing rings 225; the lower compression ring 225 is connected with the lower end of the buffer spring 223, the upper end of the lower compression spring is provided with a connecting column, and the connecting column is fixedly connected with the buffer spring 223; the lower pressure ring 225 may simultaneously have downward pressure on the plurality of push blocks 230 when being pressed down. The clamping sleeve 231 is rotatably arranged, and a thread groove is formed in the outer peripheral wall. The lower end of the pressing post 219 is provided with a transmission rod 236, and the lower end of the transmission rod 236 is provided with a threaded protrusion in threaded fit with the clamping sleeve 231, so that the clamping sleeve 231 is driven to rotate in a first rotation direction when the transmission rod 236 moves downwards. The conversion assembly is arranged between the clamping sleeve 231 and the pushing blocks 230, when the conversion assembly is configured to rotate at a preset angle in the first rotation direction of the clamping sleeve 231, only half of pushing blocks are subjected to the pressure of the lower pressing ring 225, specifically, when four first pushing blocks are subjected to the downward pressure of the lower pressing ring 225, four second pushing blocks are not subjected to the downward pressure of the lower pressing ring 225, and then the lower pressing ring 225 applies downward compression to different pushing blocks 230 each time, and the positions of the first pushing blocks and the second pushing blocks on the sealing blocks are different, so that the problem that the sealing ring 241 is rapidly lost due to extrusion of the sealing ring 241 at the same position for a long time is avoided.
In this embodiment, as shown in fig. 4 to 8, the conversion assembly includes a conversion ring 233, a plurality of conversion wheels 235, and a plurality of conversion racks 239. The push block 230 includes an up push block 238 and a down push block 237; the lower ends of the upper push blocks 238 and the upper ends of the upper push blocks 238 are inclined planes, the upper push blocks 238 can slide along the inclined planes of the lower push blocks 237, and when the upper push blocks 238 of the first push blocks ascend along the inclined planes of the lower push blocks 237, the upper ends of all the first push blocks are higher than the upper ends of the second push blocks, so that the lower pressing ring 225 can only contact with the first push blocks. A plurality of transition racks 239 are circumferentially and uniformly distributed on the lower sleeve 218, and the transition racks 239 are arc-shaped racks and are fixedly connected with the lower sleeve 218. Each switching wheel 235 is rotatably and slidably mounted on an up-pushing block 238, and the lower end of the switching wheel 235 is engaged with a switching rack 239 so that when the switching wheel 235 rotates, the switching wheel 235 drives the up-pushing block 238 upward along the inclined surface of the down-pushing block 237. The conversion ring 233 is rotatably sleeved outside the plurality of pushing blocks 230, is positioned between the upper sleeve 217 and the lower sleeve 218, and is in unidirectional transmission with the clamping sleeve 231, so as to drive the conversion ring 233 to rotate when the clamping sleeve 231 rotates in the first rotation direction. The conversion ring 233 can be engaged with one half of the conversion wheel 235, and when the rotation ring rotates by a certain angle, the rotation ring rotates the other half of the rotation wheel next time.
A plurality of sliding racks 234 are uniformly distributed on the conversion ring 233. The number of sliding racks 234 is half the number of switching wheels 235. The sliding rack 234 is an arc-shaped rack, and the sliding rack 234 slides in the radial direction of the switching ring 233 so that the sliding rack 234 and the switching wheel 235 mesh when the sliding rack 234 slides in the axial direction. The lower sleeve 218 is circumferentially and uniformly provided with a plurality of sliding rods 232, each sliding rod 232 is arranged along the radial direction of the lower sleeve 218 and is in threaded connection with the lower sleeve 218 so as to slide towards the axis direction of the lower sleeve 218 when the sliding rod 232 rotates, the sliding rod 232 is connected with the sliding rack 234, when the sliding rod 232 rotates in the first rotating direction, the sliding rack 234 is pushed to be meshed with the conversion wheel 235, when the sliding rod 232 rotates in the second rotating direction, the sliding rack 234 is disengaged from the conversion wheel 235, the upper pushing block 238 is reset under the action of the lower spring 216, specifically, the lower sleeve 218 is circumferentially and uniformly provided with a plurality of threaded holes 240, straight grooves are formed upwards of the threaded holes 240, and the sliding rods 232 are connected with the upper pushing block 238 through the straight grooves by being inserted into the threads. The outer end of the sliding rod 232 is connected with the clamping sleeve 231 through a gear transmission, so that the sliding rod 232 is driven to rotate when the clamping sleeve 231 rotates.
In operation, the two connecting cylinders 210 of the pressure detection device of the engine oil radiator 120 are respectively sleeved on two openings of the engine oil radiator 120, detection liquid is introduced into the engine oil radiator 120, the motor 140 is opened, the motor 140 drives the rotating sleeve 212 to rotate, the rotating sleeve 212 rotates to enable the pressing post 219 to move downwards through spiral transmission, the pressing spring 216 is further compressed, and the pressing spring 216 contracts and holds downward pushing force on the detection piston 226.
When the lower pressing column 219 moves downwards, the transmission rod 236 is driven to move downwards, the transmission rod 236 drives the clamping sleeve 231 to rotate in the first rotating direction, the clamping sleeve 231 drives the conversion ring 233 to synchronously rotate, meanwhile, the sliding rod 232 is driven to rotate in the first rotating direction, and the sliding rod 232 slides inwards to drive the sliding rack 234 to be meshed with the conversion wheel. When the sliding rack 234 is meshed with the rotating wheel, the conversion ring 233 rotates, so that the sliding rack 234 drives the rotating wheel to rotate, and the rotating wheel drives the upper pushing block 238 to move upwards along the inclined plane of the lower pushing block 237 under the action of the conversion rack 239 due to the meshing of the rotating wheel and the conversion rack 239, so that the heights of the four first pushing blocks are higher than those of the four second pushing blocks. Meanwhile, when the pressing post 219 moves downwards, due to the limitation of the limiting block 228 on the adjusting slider 227, the first connecting rod 214 moves downwards to drive the second connecting rod 222 to move downwards synchronously, and the second connecting rod 222 presses the pressing ring 225 through the buffer spring 223. Since the four first pushing blocks are located higher than the second pushing blocks, the lower pressure ring 225 has a downward pressure on the first pushing blocks. When the pushing block 230 is pressed downwards, the inclined surface on the lower sleeve 218 presses the sealing ring 241, so that the tightness of the opening of the connecting cylinder 210 and the engine oil radiator 120 is improved.
When the position of the detection rod 213 is unchanged, it is indicated that the tightness of the engine oil radiator 120 is good. When the detection rod 213 moves downward, it is explained that the detection piston 226 moves downward, thereby explaining that the airtightness of the engine oil radiator 120 is poor. When the detecting piston 226 moves downwards, the trigger block 224 moves inwards by a certain distance correspondingly, so that the limiting block 228 is driven to move synchronously, and the limiting block 228 is not contacted with the adjusting slide block 227. Since the buffer spring 223 has an upward thrust to the second link 222, the adjusting slider 227 has a certain rotation space at this time, and the second link 222 rotates the gear shaft 221 by a movement angle under the pushing of the buffer spring 223. The total length between the first link 214 and the second link 222 is shortened, and since the buffer spring 223 releases a part of pressure, the pressure of the buffer spring 223 to the lower compression ring 225 is reduced, so that the pressure of the lower compression ring 225 to the corresponding pushing block 230 is reduced, and the pressure of the pushing block 230 pushing the sealing ring 241 is reduced, thereby protecting the sealing ring 241.
When the lower pressing post 219 is reset, the transmission rod 236 drives the clamping sleeve 231 and the sliding rod 232 to rotate in the second rotation direction, and the sliding rod 232 drives the sliding toothed ring to move outwards and the conversion wheel 235 is disengaged, so that the upper pushing block 238 is reset under the pushing of the lower pressing ring 225. Because the clamping sleeve 231 and the conversion ring 233 are in unidirectional transmission, the rotation ring does not rotate, and at the moment, the position of the sliding gear ring is changed to correspond to the second pushing block so as to be meshed with the conversion wheel 235 of the second pushing block in the next working process, and then the extruded position of the sealing ring 241 is changed.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (10)
1. The utility model provides a quick-witted oil radiator leakproofness pressure detection device, including the quick-witted oil radiator that is used for detecting, its characterized in that: further comprises:
the lower end of the bracket is provided with a connecting cylinder; the connecting cylinder is used for sleeving the opening of the engine oil radiator;
the detection mechanism comprises a detection piston and a detection rod; the detection piston is arranged in the connecting cylinder in a vertically sliding manner and is in sealing contact with the connecting cylinder; the detection rod is vertically arranged, and the lower end of the detection rod is connected with the axle center of the detection piston;
the pushing mechanism comprises a rotating sleeve, a pushing post and a pushing spring; the lower pressing column is arranged on the bracket in a vertically sliding manner; the lower pressure spring is vertically arranged, the upper end of the lower pressure spring is connected with the lower pressure column, and the lower end of the lower pressure spring is connected with the detection piston; the rotating sleeve is rotatably arranged at the upper end of the bracket and is rotatably sleeved on the lower pressing column, and the rotating sleeve is in threaded fit with the lower pressing column so as to drive the lower pressing column to move downwards when the rotating sleeve rotates; the upper end of the detection rod extends upwards to form a rotating sleeve;
the driving mechanism is arranged on the bracket and used for driving the rotating sleeve to rotate;
the connecting cylinder is provided with a sealing shell, the bracket is provided with a liquid supply device, the liquid supply device is communicated with the sealing shell, the detection liquid is injected into the sealing shell, and the detection liquid is downwards injected into the engine oil radiator through the communicating cylinder;
the check valve is arranged on the detection piston and is used for injecting the detection liquid into the engine oil radiator from the upper side of the detection piston downwards, and the position change of the detection rod can show the tightness of the engine oil radiator;
the lower pressure column can be installed on the support in a vertical sliding mode, and can be inserted on the sealing shell in a vertical sliding mode, when the lower pressure column moves downwards, the lower pressure spring contracts to store force, the lower pressure spring has downward pressure on the detection piston, when the detection liquid fills the engine oil radiator, the rotating sleeve rotates and drives the lower pressure column to move downwards, further the lower pressure spring contracts to store force, and when the engine oil radiator leaks, the detection piston moves downwards, and then the detection rod is driven to move downwards.
2. The engine oil radiator tightness pressure detection device according to claim 1, characterized in that:
the connecting cylinder is sleeved with a mounting sleeve which is fixedly connected with the bracket; the space between the mounting sleeve and the connecting cylinder is a mounting cavity; the bottom of the mounting cavity is an inclined plane; the connecting cylinder is sleeved with a sealing ring and is positioned in the mounting cavity; when the sealing ring is subjected to pressure in the axial direction, the sealing performance of the opening of the connecting cylinder and the engine oil radiator is enhanced; a pushing block is arranged in the mounting cavity and is positioned between the mounting sleeve and the sealing ring; the lower end of the pushing block is provided with a bottom inclined surface of the cavity, so that when the pushing block slides downwards relative to the inclined surface, the pushing block sealing ring has thrust in the axial direction; a pressing component is arranged between the pressing column and the pushing block, so that when the pressing column moves downwards, the pushing block is pressed downwards through the pressing component.
3. The engine oil radiator tightness pressure detection device according to claim 2, characterized in that:
the pressing component comprises a first connecting rod, a second connecting rod, a buffer spring and an adjusting part; the first connecting rod is vertically arranged, and the upper end of the first connecting rod is fixedly connected with the lower pressing column; the second connecting rod is arranged in the mounting cavity in a vertically sliding manner; one end of the buffer spring is connected with the second connecting rod, and the other end of the buffer spring is connected with the pushing block; the adjusting part is used for driving the second connecting rod to move downwards when the first connecting rod moves downwards, so that the buffer spring can push the second connecting rod to move upwards relative to the first connecting rod when the detection piston moves downwards relative to the connecting cylinder.
4. The engine oil radiator tightness pressure detection device according to claim 3, wherein:
the adjusting part comprises a gear shaft, an adjusting sliding block, a limiting block and a triggering block; the upper end of the mounting cavity is provided with an adjusting groove which is communicated with the mounting groove; the lower end of the first connecting rod and the upper end of the second connecting rod extend into the adjusting groove, and the first connecting rod and the second connecting rod are racks; the gear shaft is arranged between the first connecting rod and the second connecting rod and meshed with the first connecting rod and the second connecting rod respectively; the limiting block can be arranged in the adjusting groove in a sliding manner along the radial direction of the connecting cylinder; the adjusting slide block is arranged between the adjusting groove and the limiting block in a vertically sliding manner and is fixedly connected with the gear shaft; the trigger block is arranged in the adjusting groove in a sliding manner along the radial direction of the connecting cylinder, is positioned at one side of the second connecting rod close to the axis of the connecting cylinder and is connected with the second connecting rod through a spring; the lower end of the trigger block is provided with an inclined plane and is contacted with the detection piston, so that when the detection piston moves downwards, the spring releases to push the trigger block to slide; the trigger block is fixedly connected with the limiting block.
5. The engine oil radiator tightness pressure detection device according to claim 3, wherein:
the mounting sleeve comprises an upper sleeve, a lower sleeve and a clamping sleeve; the upper sleeve is fixedly connected with the bracket; the lower sleeve is positioned at the lower side of the upper sleeve and is coaxially arranged with the upper sleeve; the inclined plane at the bottom of the mounting cavity is the upper end surface of the lower sleeve; the clamping sleeve is sleeved on the upper sleeve and the lower sleeve and is respectively clamped with the upper sleeve and the lower sleeve.
6. The engine oil radiator tightness pressure detection device according to claim 5, wherein:
the number of the pushing blocks is multiple; a plurality of pushing blocks are uniformly distributed along the circumferential direction of the sealing ring; the upper ends of the pushing blocks are provided with lower pressing rings; the lower compression ring is connected with the lower end of the buffer spring; the clamping sleeve is rotatably arranged; the lower end of the lower pressing column is provided with a transmission rod; the lower end of the transmission rod is in threaded fit with the clamping sleeve so as to drive the clamping sleeve to rotate in a first rotation direction when the transmission rod moves downwards; a conversion assembly is arranged between the clamping sleeve and the pushing blocks; when the conversion assembly is configured to rotate a preset angle in the first rotation direction of the clamping sleeve, only half of the pushing blocks are pressed by the lower pressing ring.
7. The engine oil radiator tightness pressure detection device according to claim 6, wherein:
the conversion assembly comprises a conversion ring, a plurality of conversion wheels and a plurality of conversion racks; the pushing block comprises an upper pushing block and a lower pushing block; the lower end of the upper pushing block and the upper end of the upper pushing block are inclined planes, and the upper pushing block can slide along the inclined plane of the lower pushing block; a plurality of conversion racks are circumferentially and uniformly distributed on the lower sleeve; converting the rack into an arc-shaped rack and fixedly connecting the arc-shaped rack with the lower sleeve; each conversion wheel can rotate and can be installed on an upward pushing block in an up-and-down sliding manner; the lower end of the conversion wheel is meshed with the conversion rack; the conversion ring is rotatably sleeved on the outer sides of the pushing blocks, is positioned between the upper sleeve and the lower sleeve, and is in unidirectional transmission with the clamping sleeve so as to drive the conversion ring to rotate when the clamping sleeve rotates in a first rotation direction; the shift ring may engage one half of the shift wheel.
8. The engine oil radiator tightness pressure detection device according to claim 7, wherein:
a plurality of sliding racks are uniformly distributed on the conversion ring; the number of the sliding racks is half of the number of the conversion wheels; the sliding rack slides along the radial direction of the conversion ring, so that the sliding rack is meshed with the conversion wheel when the sliding rack slides towards the axis direction; a plurality of sliding rods are uniformly distributed on the lower sleeve in the circumferential direction; each sliding rod is arranged along the radial direction of the lower sleeve and is in threaded connection with the lower sleeve so as to slide in the axial direction of the lower sleeve when the sliding rod rotates; the sliding rod is connected with the sliding rack; the outer end of the sliding rod is connected with the clamping sleeve through gear transmission.
9. The engine oil radiator tightness pressure detection device according to any of claims 1 to 8, characterized in that:
the detection piston is made of metal.
10. The engine oil radiator tightness pressure detection device according to any of claims 1 to 8, characterized in that:
the driving mechanism comprises a driving motor, and the driving motor is used for driving the rotating sleeve to rotate.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311457642.XA CN117168695B (en) | 2023-11-03 | 2023-11-03 | Sealing pressure detection device for engine oil radiator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311457642.XA CN117168695B (en) | 2023-11-03 | 2023-11-03 | Sealing pressure detection device for engine oil radiator |
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| CN117168695B true CN117168695B (en) | 2024-03-05 |
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| CN215448333U (en) * | 2021-02-02 | 2022-01-07 | 苏州丰瑞德机电技术有限公司 | Radiator leakproofness detection device |
| CN114964632A (en) * | 2022-07-28 | 2022-08-30 | 南通中煌工具有限公司 | Air tightness detection device of metal bottle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110985355A (en) * | 2019-12-06 | 2020-04-10 | 南京拓新冷暖科技有限公司 | Air compressor machine with pipeline gas tightness detects |
| CN112161763A (en) * | 2020-09-14 | 2021-01-01 | 重庆工商大学 | Sealing detection device convenient to connect for radiator |
| CN112326135A (en) * | 2020-10-29 | 2021-02-05 | 广州创营科技有限公司 | Aviation aircraft wing fuel tank air tightness detection device and operation method |
| CN215448333U (en) * | 2021-02-02 | 2022-01-07 | 苏州丰瑞德机电技术有限公司 | Radiator leakproofness detection device |
| CN114964632A (en) * | 2022-07-28 | 2022-08-30 | 南通中煌工具有限公司 | Air tightness detection device of metal bottle |
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