CN109268102B - Stretching clamping type engine oil drain blocking system of engine oil pan and use method thereof - Google Patents
Stretching clamping type engine oil drain blocking system of engine oil pan and use method thereof Download PDFInfo
- Publication number
- CN109268102B CN109268102B CN201811280329.2A CN201811280329A CN109268102B CN 109268102 B CN109268102 B CN 109268102B CN 201811280329 A CN201811280329 A CN 201811280329A CN 109268102 B CN109268102 B CN 109268102B
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- 230000000903 blocking effect Effects 0.000 title claims abstract description 31
- 239000010705 motor oil Substances 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims description 42
- 239000003921 oil Substances 0.000 claims abstract description 72
- 238000003780 insertion Methods 0.000 claims description 29
- 230000037431 insertion Effects 0.000 claims description 29
- 101150006573 PAN1 gene Proteins 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/0004—Oilsumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/04—Filling or draining lubricant of or from machines or engines
- F01M11/0408—Sump drainage devices, e.g. valves, plugs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/10—Indicating devices; Other safety devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/04—Filling or draining lubricant of or from machines or engines
- F01M11/0408—Sump drainage devices, e.g. valves, plugs
- F01M2011/0416—Plugs
Abstract
The utility model provides a tensile screens formula engine oil drain pan oil blocking system, including fixing base in the shell, plug piece and telescopic spring outside the shell, wherein, the fixing base is including fixed front cylinder in the shell, fixed back cylinder in, plug piece includes preceding spliced pole in the shell, well spliced pole, the back card body in, preceding, well spliced pole inserts the cooperation with the inner chamber of fixed front and well cylinder respectively, telescopic spring that sets up in the fixed middle cylinder carries out the interdrive with well spliced pole through the piston bush, fixed back cylinder and last arc board that is connected on it, lower arc board presss from both sides become last draw-in groove, lower draw-in groove, last fixture block that the back card body includes and is connected with well spliced pole rear end, lower fixture block corresponds the joint with last draw-in groove, down the draw-in groove, and be located preceding spliced pole front end in the front of preceding spliced pole intracavity, the position between the fixed front cylinder lateral surface is embedded with a transparent observation piece. The design does not adopt threaded connection and moment control, does not need any tool for assembly/disassembly, is easy to operate and has strong controllability.
Description
Technical Field
The utility model relates to an oil drain plug structure of an engine oil pan, belongs to the field of engines, and particularly relates to an oil drain plug system of a stretching clamping type engine oil pan and a use method thereof, which are particularly suitable for preventing a threaded connection from being blocked and detached without torque control.
Background
When the engine reaches the maintenance mileage, the engine oil in the oil pan needs to be replaced, the oil drain plug on the oil pan is unscrewed through a wrench to release the internal engine oil, and then the oil drain plug is screwed and refilled with new engine oil. At present, engine oil drain plugs in the market are connected with oil drain plug seats on an oil pan in a threaded mode. For the oil pan made of aluminum alloy and plastic materials, the strength of the oil pan is lower than that of the steel stamping oil pan, when a user frequently changes an oil assembly oil pan oil drain plug, the oil drain plug is not in accordance with a specified moment, the assembly moment is too large, the threads of the oil drain plug hole on the oil pan are invalid, and even the oil pan oil drain plug hole area is damaged and cracked when serious.
The utility model patent with the authority notice number of CN203856541U and the authority notice date of 2014, 10 and 1 discloses an oil drain plug of an oil pan, which is arranged on an oil drain hole arranged on the oil pan, wherein the oil drain hole consists of a light hole and a threaded hole connected with the light hole; one end of the oil drain screw plug is in threaded connection with the threaded hole, and the other end of the oil drain screw plug is in sealing connection with the unthreaded hole. While this design can ensure that the drain plug produces a seal, it still has the following drawbacks:
in the design, the oil drain plug and the oil pan are connected through threads, so that torque control is required to be carried out on the oil drain plug during assembly, the torque is too small, the tightening is not tight, and the oil drain plug is easy to fall off; the excessive moment can damage threads and even drain plugs or oil pans.
The disclosure of this background section is only intended to increase the understanding of the general background of the present patent application and should not be taken as an admission or any form of suggestion that this information forms the prior art already known to a person of ordinary skill in the art.
Disclosure of Invention
The utility model aims to overcome the defects and problems of the prior art that screw connection is adopted and torque control is needed, and provides a stretching clamping type engine oil pan oil drain blocking system which does not adopt screw connection and does not need torque control and a use method thereof.
In order to achieve the above object, the technical solution of the present utility model is: the stretching clamping type engine oil drain blocking system comprises an in-shell fixing seat and an out-shell blocking piece, wherein the outer wall of the in-shell fixing seat is connected with the inner wall of an oil drain hole in the oil drain shell;
the fixed seat in the shell comprises a fixed front column body, a fixed middle column body and a fixed rear column body which are sequentially connected, wherein the fixed front column body and the fixed middle column body are both positioned in the oil pan, the fixed rear column body is positioned outside the oil pan, a front column cavity is formed in the fixed front column body, the outer wall of the fixed middle column body is connected with the inner wall of the oil drain hole, a middle column cavity is formed in the fixed middle column body, the front end of the middle column cavity is communicated with the front column cavity to form an inserting cavity, the rear end of the middle column cavity is communicated with a middle rear hole formed in the fixed middle column body, the rear end of the fixed middle column body is positioned at the periphery of the middle rear hole and is connected with one end of a telescopic spring, the other end of the telescopic spring is connected with the inner side surface of a piston sleeve, a sleeve inner hole is formed in the middle position of the piston sleeve, the front end and the rear end of the sleeve inner hole are respectively communicated with the front column cavity and the middle column cavity, and the piston sleeve and the telescopic spring are positioned in the middle column cavity;
the shell outer blocking piece comprises a front inserting column, a middle inserting column and a rear blocking body which are coaxial, the front end of the front inserting column is in insertion fit with a front column cavity, the rear end of the front inserting column penetrates through a sleeve inner hole and then is connected with the front end of the middle inserting column to form an inserting column, the rear end of the middle inserting column penetrates through a middle rear hole and then is connected with the rear blocking body, and the diameters of the front inserting column, the sleeve inner hole, the middle inserting column and the middle rear hole are sequentially increased.
The number of the telescopic springs is two, and the two telescopic springs are vertically symmetrical by taking the central axis of the middle column cavity as a symmetry line.
The outer side surface of the piston sleeve is provided with an upper guide post and a lower guide post which are in vertical symmetry by taking the central axis of the piston sleeve as a symmetry line, and the upper guide post and the lower guide post are respectively in insertion fit with an upper guide hole and a lower guide hole which are arranged in the fixed front cylinder, and are shorter than the front inserted cylinder.
The rear clamping body comprises an upper clamping block and a lower clamping block, the upper clamping block and the lower clamping block are respectively connected with the top and the bottom of the rear end of the middle inserting column, the outer side surfaces of the upper clamping block and the lower clamping block are all parallel and level to the outer side surface of the rear end of the middle inserting column, the upper clamping block and the lower clamping block are symmetrical in point by taking the center of a circle of the rear end of the middle inserting column as a symmetry point, and the widths of the upper clamping block and the lower clamping block are smaller than the radius of the rear end of the middle inserting column;
the middle part of the fixed post column body is provided with a middle rear hole, the top end of the outer side surface of the fixed post column body is vertically connected with one end of an upper middle connecting block, the other end of the upper middle connecting block is vertically connected with the top end of an upper arc plate, the bottom end of the outer side surface of the fixed post column body is vertically connected with one end of a lower middle connecting block, the other end of the lower middle connecting block is vertically connected with the bottom end of a lower arc plate, the bottom end of the upper arc plate and the top end of the lower arc plate are opposite to each other, the outer side surfaces of the upper arc plate, the upper middle connecting block and the fixed post column body are clamped together to form an upper clamping groove which is matched with an upper clamping block in a clamping mode, and the outer side surfaces of the lower arc plate, the lower middle connecting block and the fixed post column body are clamped together to form a lower clamping groove which is matched with a lower clamping block in a clamping mode.
The minimum distance between the upper clamping groove and the lower clamping groove is greater than the distance between the bottom end of the upper arc plate and the top end of the lower arc plate.
The rear end of well inserted pillar has offered a indent drive post groove, and the outer notch of this drive post groove is parallel and level mutually with the lateral surface of well inserted pillar rear end, and the inner wall of drive post groove is connected with the lateral surface of horizontal actuating lever one end, and the other end of horizontal actuating lever is connected with perpendicular the bottom of perpendicular actuating lever after passing outer notch, and the junction of horizontal actuating lever, perpendicular actuating lever is located the outside of arc board, lower arc board.
The structure of the upper arc plate and the lower arc plate is consistent, the upper arc plate and the lower arc plate comprise arc edges, a first bevel edge, a second bevel edge and a horizontal edge, the arc edges and the horizontal edge are just right opposite to each other, the first bevel edge and the second bevel edge are just right opposite to each other, two bottoms of the arc edges are respectively connected with the tops of the first bevel edge and the second bevel edge, the bottoms of the first bevel edge and the second bevel edge are respectively connected with two ends of the horizontal edge, the width of the arc edges is larger than that of the horizontal edge, and the width of the horizontal edge is larger than that of the upper clamping block and the lower clamping block.
A transparent observation block is embedded in the front column cavity at the front end of the front inserted column and between the outer side surfaces of the fixed front column.
The application method of the oil drain plugging system of the stretching clamping type engine oil pan comprises a plugging process and a dismantling process, and specifically comprises the following steps:
the blocking process comprises the following steps: the front inserting column is aligned with the middle rear hole, the rear clamping body is pushed to drive the middle inserting column and the front inserting column to move forwards together, after the current inserting column passes through the inner hole of the sleeve, the piston sleeve is pushed to move forwards together by the front middle inserting column, the telescopic spring connected with the piston sleeve is driven to stretch forwards by the front piston sleeve until the front inserting column is inserted into the front column cavity, the rear clamping body is stopped being pushed, at the moment, the front end of the middle inserting column is contacted with the inner side surface of the fixed front column through the piston sleeve, the rear end of the middle inserting column penetrates through the middle rear hole and then is connected with the rear clamping body, the rear clamping body is positioned at the outer side of the fixed rear column, and finally the rear clamping body is fixed;
the dismantling process comprises the following steps: the rear clamping body is firstly released from being fixed, then the rear clamping body is pulled out, the outer pulled rear clamping body drives the middle inserting column and the front inserting column to retreat together, and meanwhile, the reset telescopic spring drives the middle inserting column to retreat through the piston sleeve until the front inserting column retreats from the middle rear hole.
The rear clamping body comprises an upper clamping block and a lower clamping block, the upper clamping block and the lower clamping block are respectively connected with the top and the bottom of the rear end of the middle inserting column, the outer side surfaces of the upper clamping block and the lower clamping block are all parallel and level to the outer side surface of the rear end of the middle inserting column, the upper clamping block and the lower clamping block are symmetrical in point by taking the center of a circle of the rear end of the middle inserting column as a symmetry point, and the widths of the upper clamping block and the lower clamping block are smaller than the radius of the rear end of the middle inserting column; the middle part of the fixed post column body is provided with a middle rear hole, the top end of the outer side surface of the fixed post column body is vertically connected with one end of an upper middle connecting block, the other end of the upper middle connecting block is vertically connected with the top end of an upper arc plate, the bottom end of the outer side surface of the fixed post column body is vertically connected with one end of a lower middle connecting block, the other end of the lower middle connecting block is vertically connected with the bottom end of a lower arc plate, the bottom end of the upper arc plate and the top end of the lower arc plate are opposite to each other, the outer side surfaces of the upper arc plate, the upper middle connecting block and the fixed post column body are clamped together to form an upper clamping groove which is matched with an upper clamping block in a clamping way, and the outer side surfaces of the lower arc plate, the lower middle connecting block and the fixed post column body are clamped together to form a lower clamping groove which is matched with a lower clamping block in a clamping way;
in the plugging process: in the process that the rear clamping body drives the middle inserting column and the front inserting column to move forwards together, the central axis where the upper clamping block and the lower clamping block are located is mutually perpendicular to the central axis where the upper clamping groove and the lower clamping groove are located, after the current inserting column is inserted into the front column cavity, pushing is stopped firstly, then the middle inserting column is rotated to drive the upper clamping block and the lower clamping block connected with the current inserting column to rotate together until the upper clamping block is clamped into the upper clamping groove and the lower clamping block is clamped into the lower clamping groove, and then the middle inserting column is loosened, at the moment, the upper clamping block is fixed in the upper clamping groove and the lower clamping block is fixed in the lower clamping groove by the resilience force of the pulled telescopic spring, so that the rear clamping body is fixed;
in the dismantling process, the following steps are adopted: the middle inserting column is rotated to drive the upper clamping block and the lower clamping block connected with the middle inserting column to rotate together until the upper clamping block is separated from the upper clamping groove and the lower clamping block is separated from the lower clamping groove, so that the rear clamping body is unfixed, then the middle inserting column continues to rotate until the central axis of the upper clamping block and the lower clamping block is mutually perpendicular to the central axis of the upper clamping groove and the lower clamping groove, and then the rear clamping body is pulled out.
Compared with the prior art, the utility model has the beneficial effects that:
1. the utility model relates to a stretching clamping type engine oil drain blocking system and a use method thereof, wherein the integral parts comprise an inner shell fixing seat and an outer shell blocking piece, when the stretching clamping type engine oil drain blocking system is used, an inserting cavity (a middle column cavity and a front column cavity) in the inner shell fixing seat is in insertion fit with an inserting column (a front inserting column and a middle inserting column) in the outer shell blocking piece, so that the sealing of engine oil in the engine oil drain shell is realized, the fixing of the inner shell fixing seat and the outer shell blocking piece is realized, meanwhile, the middle inserting column is applied with a rebound force through a telescopic spring, so that the fixing effect is improved, a spanner is not required to be screwed in during actual operation, a control moment is not required, only the rear clamping body is required to be pushed to be inserted into the front column cavity through the middle inserting column, the fixing of the rear clamping body is finished, the operation is simple, the connection is firm, and the oil drain hole, the inner shell fixing seat, the outer shell blocking piece and peripheral parts thereof are not damaged. Therefore, the utility model not only does not adopt threaded connection and does not need torque control, but also has simple assembly process and easy operation.
2. According to the oil drain blocking system of the stretching clamping type engine oil pan and the use method thereof, the top end and the bottom end of the outer side face of the fixed rear cylinder are respectively connected with the upper arc plate and the lower arc plate to form the upper clamping groove and the lower clamping groove, meanwhile, the upper clamping block and the lower clamping block in the rear clamping body are respectively connected with the top and the bottom of the rear end of the middle inserting column, the upper clamping block and the lower clamping block are correspondingly clamped with the upper clamping groove and the lower clamping groove, during assembly, clamping of the clamping blocks and the clamping grooves are combined with the resilience force of the telescopic spring, so that the rear clamping body is automatically fixed, the limiting and fixing effects are achieved, and during dismantling, the releasing of the clamping blocks and the resilience force of the telescopic spring are combined, so that the automatic releasing of the rear clamping body is realized, external tools are not needed, torque control is not needed, and the operation is quite convenient. Therefore, the utility model not only needs no tools for assembling and disassembling, but also is convenient and quick and has higher efficiency.
3. According to the oil drain blocking system of the stretching clamping type engine oil pan and the use method thereof, the inner wall of the driving column groove in the middle inserting column is connected with the outer side face of one end of the transverse driving rod, the other end of the transverse driving rod penetrates through the outer notch and then is vertically connected with the bottom end of the vertical driving rod, and the joint of the transverse driving rod and the vertical driving rod is positioned on the outer sides of the upper arc plate and the lower arc plate. Therefore, the operation difficulty of the utility model is lower.
4. According to the oil drain blocking system of the stretching clamping type engine oil pan and the use method thereof, the transparent observation block is embedded in the part, which is positioned between the front end of the front plug and the outer side surface of the fixed front column, of the front column cavity, when the oil drain blocking system is used, the transparent observation block is used for observing the insertion fit of the front plug and the front column cavity and the insertion fit of the middle plug and the piston sleeve, and the blocking situation after assembly can be judged in real time according to observation, and feedback control is performed. Therefore, the utility model is not only easy to observe the instant condition of engine oil blockage, but also has stronger control.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a right side view of fig. 1.
Fig. 3 is a schematic view of the middle plug of fig. 2.
Fig. 4 is a schematic structural view of the fixing base in the housing of fig. 1.
Fig. 5 is a schematic view of the structure of the outside shell stopper of fig. 1.
In the figure: the oil pan 1, the oil drain hole 11, the in-shell fixing seat 2, the fixed front column 21, the front column chamber 211, the fixed middle column 22, the middle column chamber 221, the middle rear hole 222, the fixed rear column 23, the insertion chamber 24, the out-of-shell blocking member 3, the front plug 31, the middle plug 32, the rear clip body 33, the upper clip 331, the lower clip 332, the insertion column 34, the expansion spring 4, the piston sleeve 5, the sleeve inner hole 51, the upper guide column 52, the lower guide column 53, the upper guide hole 54, the lower guide hole 55, the upper arc plate 6, the upper middle connecting piece 61, the upper clip groove 62, the arc edge 63, the first oblique edge 64, the second oblique edge 65, the horizontal edge 66, the lower arc plate 7, the lower middle connecting piece 71, the lower clip groove 72, the lateral driving rod 8, the vertical driving rod 81, the driving column groove 82, the outer notch 83, and the transparent observation block 9.
Detailed Description
The utility model is described in further detail below with reference to the accompanying drawings and detailed description.
Referring to fig. 1 to 5, a system for plugging an oil pan of a stretch-clamping engine comprises an in-shell fixing seat 2 and an out-shell plugging member 3, wherein the outer wall of the in-shell fixing seat 2 is connected with the inner wall of an oil drain hole 11 in the oil pan 1, an insertion cavity 24 is formed in the in-shell fixing seat 2, and the insertion cavity 24 is in insertion fit with an insertion column 34 in the out-shell plugging member 3;
the fixing seat 2 in the shell comprises a fixed front column body 21, a fixed middle column body 22 and a fixed rear column body 23 which are sequentially connected, wherein the fixed front column body 21 and the fixed middle column body 22 are both positioned in the oil pan 1, the fixed rear column body 23 is positioned outside the oil pan 1, a front column cavity 211 is formed in the fixed front column body 21, the outer wall of the fixed middle column body 22 is connected with the inner wall of the oil drain hole 11, a middle column cavity 221 is formed in the fixed middle column body 22, the front end of the middle column cavity 221 is communicated with the front column cavity 211 to form an inserting cavity 24, the rear end of the middle column cavity 221 is communicated with a middle rear hole 222 formed in the fixed middle column body 22, the part, which is positioned at the periphery of the middle rear hole 222, of the rear end of the fixed middle column body 22 is connected with one end of the telescopic spring 4, the other end of the telescopic spring 4 is connected with the inner side surface of the piston sleeve 5, a sleeve inner hole 51 is formed in the middle part of the piston sleeve 5, the front end and the rear end of the sleeve 51 are respectively communicated with the front column cavity 211 and the middle column cavity 221, and the telescopic spring 4 are both positioned in the middle column cavity 221;
the shell outside blocking member 3 comprises a front inserting column 31, a middle inserting column 32 and a rear clamping body 33 which are coaxial, wherein the front end of the front inserting column 31 is in insertion fit with the front column cavity 211, the rear end of the front inserting column 31 penetrates through the sleeve inner hole 51 and then is connected with the front end of the middle inserting column 32 to form an inserting column 34, the rear end of the middle inserting column 32 penetrates through the middle rear hole 222 and then is connected with the rear clamping body 33, and the diameters of the front inserting column 31, the sleeve inner hole 51, the middle inserting column 32 and the middle rear hole 222 are sequentially increased.
The number of the telescopic springs 4 is two, and the two telescopic springs 4 are vertically symmetrical by taking the central axis of the middle column cavity 221 as a symmetry line.
An upper guide column 52 and a lower guide column 53 are arranged on the outer side surface of the piston sleeve 5, the upper guide column 52 and the lower guide column 53 are vertically symmetrical by taking the central axis of the piston sleeve 5 as a symmetry line, the upper guide column 52 and the lower guide column 53 are respectively in insertion fit with an upper guide hole 54 and a lower guide hole 55 which are arranged in the fixed front column 21, and the upper guide column 52 and the lower guide column 53 are shorter than the front inserted column 31.
The rear clamping body 33 comprises an upper clamping block 331 and a lower clamping block 332, the upper clamping block 331 and the lower clamping block 332 are respectively connected with the top and the bottom of the rear end of the middle inserting column 32, the outer side surfaces of the upper clamping block 331 and the lower clamping block 332 are all parallel and level with the outer side surface of the rear end of the middle inserting column 32, the upper clamping block 331 and the lower clamping block 332 are point-symmetrical by taking the center of the rear end of the middle inserting column 32 as a symmetrical point, and the widths of the upper clamping block 331 and the lower clamping block 332 are smaller than the radius of the rear end of the middle inserting column 32;
the middle part of the fixed post-column 23 is provided with a middle rear hole 222, the top end of the outer side surface of the fixed post-column 23 is vertically connected with one end of the upper middle connecting block 61, the other end of the upper middle connecting block 61 is vertically connected with the top end of the upper arc plate 6, the bottom end of the outer side surface of the fixed post-column 23 is vertically connected with one end of the lower middle connecting block 71, the other end of the lower middle connecting block 71 is vertically connected with the bottom end of the lower arc plate 7, the bottom end of the upper arc plate 6 and the top end of the lower arc plate 7 are oppositely arranged, the outer side surfaces of the upper arc plate 6, the upper middle connecting block 61 and the fixed post-column 23 are clamped together to form an upper clamping groove 62 which is matched with the upper clamping block 331 in a clamping mode, and the outer side surfaces of the lower arc plate 7, the lower middle connecting block 71 and the fixed post-column 23 are clamped together to form a lower clamping groove 72 which is matched with the lower clamping block 332 in a clamping mode.
The minimum distance between the upper clamping groove 62 and the lower clamping groove 72 is larger than the distance between the bottom end of the upper arc plate 6 and the top end of the lower arc plate 7.
The rear end of the middle inserted column 32 is provided with a concave driving column groove 82, an outer notch 83 of the driving column groove 82 is flush with the outer side surface of the rear end of the middle inserted column 32, the inner wall of the driving column groove 82 is connected with the outer side surface of one end of the transverse driving rod 8, the other end of the transverse driving rod 8 passes through the outer notch 83 and then is vertically connected with the bottom end of the vertical driving rod 81, and the joint of the transverse driving rod 8 and the vertical driving rod 81 is positioned at the outer sides of the upper arc plate 6 and the lower arc plate 7.
The upper arc plate 6 and the lower arc plate 7 are identical in structure and comprise an arc edge 63, a first inclined edge 64, a second inclined edge 65 and a horizontal edge 66, the arc edge 63 and the horizontal edge 66 are opposite to each other, the first inclined edge 64 and the second inclined edge 65 are opposite to each other, two bottoms of the arc edge 63 are respectively connected with the tops of the first inclined edge 64 and the second inclined edge 65, the bottoms of the first inclined edge 64 and the second inclined edge 65 are respectively connected with two ends of the horizontal edge 66, the width of the arc edge 63 is larger than that of the horizontal edge 66, and the width of the horizontal edge 66 is larger than that of the upper clamping block 331 and the lower clamping block 332.
A transparent observation block 9 is embedded in the front column cavity 211 at a position between the front end of the front inserted column 31 and the outer side surface of the fixed front column 21.
The application method of the oil drain plugging system of the stretching clamping type engine oil pan comprises a plugging process and a dismantling process, and specifically comprises the following steps:
the blocking process comprises the following steps: the front inserting column 31 is aligned with the middle rear hole 222, the rear clamping body 33 is pushed to drive the middle inserting column 32 and the front inserting column 31 to move forwards together, after the current inserting column 31 passes through the sleeve inner hole 51, the front middle inserting column 32 pushes the piston sleeve 5 to move forwards together, the front piston sleeve 5 drives the telescopic spring 4 connected with the front inserting column to stretch forwards until the front inserting column 31 is inserted into the front column cavity 211, the rear clamping body 33 is stopped being pushed, at the moment, the front end of the middle inserting column 32 is contacted with the inner side surface of the fixed front column 21 through the piston sleeve 5, the rear end of the middle inserting column 32 penetrates through the middle rear hole 222 and is connected with the rear clamping body 33, the rear clamping body 33 is positioned on the outer side of the fixed rear column 23, and finally the rear clamping body 33 is fixed;
the dismantling process comprises the following steps: the rear clamping body 33 is firstly released from being fixed, the rear clamping body 33 is pulled out, the pulled-out rear clamping body 33 drives the middle inserting column 32 and the front inserting column 31 to retract together, and meanwhile, the reset telescopic spring 4 drives the middle inserting column 32 to retract through the piston sleeve 5 until the front inserting column 31 exits from the middle rear hole 222.
The rear clamping body 33 comprises an upper clamping block 331 and a lower clamping block 332, the upper clamping block 331 and the lower clamping block 332 are respectively connected with the top and the bottom of the rear end of the middle inserting column 32, the outer side surfaces of the upper clamping block 331 and the lower clamping block 332 are all parallel and level with the outer side surface of the rear end of the middle inserting column 32, the upper clamping block 331 and the lower clamping block 332 are point-symmetrical by taking the center of the rear end of the middle inserting column 32 as a symmetrical point, and the widths of the upper clamping block 331 and the lower clamping block 332 are smaller than the radius of the rear end of the middle inserting column 32; the middle part of the fixed rear column 23 is provided with a middle rear hole 222, the top end of the outer side surface of the fixed rear column 23 is vertically connected with one end of an upper middle connecting block 61, the other end of the upper middle connecting block 61 is vertically connected with the top end of an upper arc plate 6, the bottom end of the outer side surface of the fixed rear column 23 is vertically connected with one end of a lower middle connecting block 71, the other end of the lower middle connecting block 71 is vertically connected with the bottom end of a lower arc plate 7, the bottom end of the upper arc plate 6 and the top end of the lower arc plate 7 are oppositely arranged, the outer side surfaces of the upper arc plate 6, the upper middle connecting block 61 and the fixed rear column 23 are clamped together to form an upper clamping groove 62 which is matched with an upper clamping block 331 in a clamping way, and the outer side surfaces of the lower arc plate 7, the lower middle connecting block 71 and the fixed rear column 23 are clamped together to form a lower clamping groove 72 which is matched with a lower clamping block 332 in a clamping way;
in the plugging process: in the process that the rear clamping body 33 drives the middle inserting column 32 and the front inserting column 31 to move forwards together, the central axes of the upper clamping block 331 and the lower clamping block 332 are mutually perpendicular to the central axes of the upper clamping groove 62 and the lower clamping groove 72, after the front inserting column 31 is inserted into the front column cavity 211, pushing is stopped firstly, then the middle inserting column 32 is rotated to drive the upper clamping block 331 and the lower clamping block 332 connected with the front inserting column 31 to rotate together until the upper clamping block 331 is clamped into the upper clamping groove 62 and the lower clamping block 332 is clamped into the lower clamping groove 72, then the middle inserting column 32 is loosened, and at the moment, the upper clamping block 331 is fixed in the upper clamping groove 62 and the lower clamping block 332 is fixed in the lower clamping groove 72 by the resilience force of the pulled telescopic spring 4 so as to fix the rear clamping body 33;
in the dismantling process, the following steps are adopted: the middle inserting column 32 is rotated to drive the upper clamping block 331 and the lower clamping block 332 connected with the middle inserting column to rotate together until the upper clamping block 331 is separated from the upper clamping groove 62 and the lower clamping block 332 is separated from the lower clamping groove 72, so that the rear clamping body 33 is unfixed, and then the middle inserting column continues to rotate until the central axis of the upper clamping block 331 and the lower clamping block 332 is mutually perpendicular to the central axis of the upper clamping groove 62 and the lower clamping groove 72, and then the rear clamping body 33 is pulled out.
The principle of the utility model is explained as follows:
referring to fig. 1 to 5, the utility model aims to solve the technical problems that after threaded connection is adopted in the prior art, an oil drain plug is assembled strictly according to a specified moment, and the excessive moment easily causes failure of the threads of the oil drain plug hole of an oil pan and breakage and cracking of the area of the oil drain plug hole, and is mainly applied to the oil pan made of aluminum alloy or plastic with weaker strength, and is also applicable to the steel stamping oil pan.
According to the utility model, the shell is in insertion fit with the insertion column (the middle column cavity and the front column cavity) in the shell outer blocking piece through the insertion cavity (the front insertion column and the middle insertion column) in the inner fixing seat, so that the engine oil in the oil pan is sealed, the fixing of the shell inner fixing seat and the shell outer blocking piece is realized through the fixing of the rear clamping body, meanwhile, the middle insertion column is applied through the telescopic spring to exert the reverse elasticity, so that the fixing effect is improved, a spanner is not required to be screwed up in actual operation, a control moment is not required, only the rear clamping body is required to be pushed to drive the front insertion column to be inserted into the front column cavity through the middle insertion column, the assembly operation of blocking is finished through the fixing of the rear clamping body, various effects caused by overlarge moment are avoided, tools such as a spanner which are required to be adopted in the prior art are also saved, the prior art can be directly operated by hand, and in addition, the assembly is convenient and quick, and besides, the rear clamping body is not required to be driven by hands.
Example 1:
referring to fig. 1 to 5, a system for plugging an oil pan of a stretch-clamping engine comprises an in-shell fixing seat 2 and an out-shell plugging member 3, wherein the outer wall of the in-shell fixing seat 2 is connected with the inner wall of an oil drain hole 11 in the oil pan 1, an insertion cavity 24 is formed in the in-shell fixing seat 2, and the insertion cavity 24 is in insertion fit with an insertion column 34 in the out-shell plugging member 3; the fixing seat 2 in the shell comprises a fixed front column body 21, a fixed middle column body 22 and a fixed rear column body 23 which are sequentially connected, wherein the fixed front column body 21 and the fixed middle column body 22 are both positioned in the oil pan 1, the fixed rear column body 23 is positioned outside the oil pan 1, a front column cavity 211 is formed in the fixed front column body 21, the outer wall of the fixed middle column body 22 is connected with the inner wall of the oil drain hole 11, a middle column cavity 221 is formed in the fixed middle column body 22, the front end of the middle column cavity 221 is communicated with the front column cavity 211 to form an inserting cavity 24, the rear end of the middle column cavity 221 is communicated with a middle rear hole 222 formed in the fixed middle column body 22, the part, which is positioned at the periphery of the middle rear hole 222, of the rear end of the fixed middle column body 22 is connected with one end of the telescopic spring 4, the other end of the telescopic spring 4 is connected with the inner side surface of the piston sleeve 5, a sleeve inner hole 51 is formed in the middle part of the piston sleeve 5, the front end and the rear end of the sleeve 51 are respectively communicated with the front column cavity 211 and the middle column cavity 221, and the telescopic spring 4 are both positioned in the middle column cavity 221; the shell outside blocking member 3 comprises a front inserting column 31, a middle inserting column 32 and a rear clamping body 33 which are coaxial, wherein the front end of the front inserting column 31 is in insertion fit with the front column cavity 211, the rear end of the front inserting column 31 penetrates through the sleeve inner hole 51 and then is connected with the front end of the middle inserting column 32 to form an inserting column 34, the rear end of the middle inserting column 32 penetrates through the middle rear hole 222 and then is connected with the rear clamping body 33, and the diameters of the front inserting column 31, the sleeve inner hole 51, the middle inserting column 32 and the middle rear hole 222 are sequentially increased. The number of the extension springs 4 is preferably two, and the two extension springs 4 are vertically symmetrical with respect to the central axis of the center pillar cavity 221 as a symmetry line.
The application method of the oil drain plugging system of the stretching clamping type engine oil pan comprises a plugging process and a dismantling process, and specifically comprises the following steps:
the blocking process comprises the following steps: the front inserting column 31 is aligned with the middle rear hole 222, the rear clamping body 33 is pushed to drive the middle inserting column 32 and the front inserting column 31 to move forwards together, after the current inserting column 31 passes through the sleeve inner hole 51, the front middle inserting column 32 pushes the piston sleeve 5 to move forwards together, the front piston sleeve 5 drives the telescopic spring 4 connected with the front inserting column to stretch forwards until the front inserting column 31 is inserted into the front column cavity 211, the rear clamping body 33 is stopped being pushed, at the moment, the front end of the middle inserting column 32 is contacted with the inner side surface of the fixed front column 21 through the piston sleeve 5, the rear end of the middle inserting column 32 penetrates through the middle rear hole 222 and is connected with the rear clamping body 33, the rear clamping body 33 is positioned on the outer side of the fixed rear column 23, and finally the rear clamping body 33 is fixed;
the dismantling process comprises the following steps: the rear clamping body 33 is firstly released from being fixed, the rear clamping body 33 is pulled out, the pulled-out rear clamping body 33 drives the middle inserting column 32 and the front inserting column 31 to retract together, and meanwhile, the reset telescopic spring 4 drives the middle inserting column 32 to retract through the piston sleeve 5 until the front inserting column 31 exits from the middle rear hole 222.
Example 2:
the basic content is the same as in example 1, except that:
an upper guide column 52 and a lower guide column 53 are arranged on the outer side surface of the piston sleeve 5, the upper guide column 52 and the lower guide column 53 are vertically symmetrical by taking the central axis of the piston sleeve 5 as a symmetry line, the upper guide column 52 and the lower guide column 53 are respectively in insertion fit with an upper guide hole 54 and a lower guide hole 55 which are arranged in the fixed front column 21, and the upper guide column 52 and the lower guide column 53 are shorter than the front inserted column 31.
Example 3:
the basic content is the same as in example 1, except that:
the rear clamping body 33 comprises an upper clamping block 331 and a lower clamping block 332, the upper clamping block 331 and the lower clamping block 332 are respectively connected with the top and the bottom of the rear end of the middle inserting column 32, the outer side surfaces of the upper clamping block 331 and the lower clamping block 332 are all parallel and level with the outer side surface of the rear end of the middle inserting column 32, the upper clamping block 331 and the lower clamping block 332 are point-symmetrical by taking the center of the rear end of the middle inserting column 32 as a symmetrical point, and the widths of the upper clamping block 331 and the lower clamping block 332 are smaller than the radius of the rear end of the middle inserting column 32; the middle part of the fixed post-column 23 is provided with a middle rear hole 222, the top end of the outer side surface of the fixed post-column 23 is vertically connected with one end of the upper middle connecting block 61, the other end of the upper middle connecting block 61 is vertically connected with the top end of the upper arc plate 6, the bottom end of the outer side surface of the fixed post-column 23 is vertically connected with one end of the lower middle connecting block 71, the other end of the lower middle connecting block 71 is vertically connected with the bottom end of the lower arc plate 7, the bottom end of the upper arc plate 6 and the top end of the lower arc plate 7 are oppositely arranged, the outer side surfaces of the upper arc plate 6, the upper middle connecting block 61 and the fixed post-column 23 are clamped together to form an upper clamping groove 62 which is matched with the upper clamping block 331 in a clamping mode, and the outer side surfaces of the lower arc plate 7, the lower middle connecting block 71 and the fixed post-column 23 are clamped together to form a lower clamping groove 72 which is matched with the lower clamping block 332 in a clamping mode.
In the plugging process: in the process that the rear clamping body 33 drives the middle inserting column 32 and the front inserting column 31 to move forwards together, the central axes of the upper clamping block 331 and the lower clamping block 332 are mutually perpendicular to the central axes of the upper clamping groove 62 and the lower clamping groove 72, after the front inserting column 31 is inserted into the front column cavity 211, pushing is stopped firstly, then the middle inserting column 32 is rotated to drive the upper clamping block 331 and the lower clamping block 332 connected with the front inserting column to rotate together until the upper clamping block 331 is clamped into the upper clamping groove 62 and the lower clamping block 332 is clamped into the lower clamping groove 72, then the middle inserting column 32 is loosened, and at the moment, the upper clamping block 331 is fixed in the upper clamping groove 62 and the lower clamping block 332 is fixed in the lower clamping groove 72 by the resilience force of the pulled telescopic spring 4 so as to fix the rear clamping body 33.
In the dismantling process, the following steps are adopted: the middle inserting column 32 is rotated to drive the upper clamping block 331 and the lower clamping block 332 connected with the middle inserting column to rotate together until the upper clamping block 331 is separated from the upper clamping groove 62 and the lower clamping block 332 is separated from the lower clamping groove 72, so that the rear clamping body 33 is unfixed, and then the middle inserting column continues to rotate until the central axis of the upper clamping block 331 and the lower clamping block 332 is mutually perpendicular to the central axis of the upper clamping groove 62 and the lower clamping groove 72, and then the rear clamping body 33 is pulled out.
Example 4:
the basic content is the same as in example 3, except that:
the rear end of the middle inserted column 32 is provided with a concave driving column groove 82, an outer notch 83 of the driving column groove 82 is flush with the outer side surface of the rear end of the middle inserted column 32, the inner wall of the driving column groove 82 is connected with the outer side surface of one end of the transverse driving rod 8, the other end of the transverse driving rod 8 passes through the outer notch 83 and then is vertically connected with the bottom end of the vertical driving rod 81, and the joint of the transverse driving rod 8 and the vertical driving rod 81 is positioned at the outer sides of the upper arc plate 6 and the lower arc plate 7.
Example 5:
the basic content is the same as in example 1, except that:
a transparent observation block 9 is embedded in the front column cavity 211 at a position between the front end of the front inserted column 31 and the outer side surface of the fixed front column 21.
Claims (8)
1. The utility model provides a tensile screens formula engine oil drain plug system, includes in-shell fixing base (2) and the outer plug (3) of shell, the outer wall of in-shell fixing base (2) is connected with the inner wall of oil drain hole (11) in oil pan (1), and insert chamber (24) have been seted up to the inside of in-shell fixing base (2), and this insert chamber (24) inserts the cooperation with insert post (34) in the outer plug (3) of shell, its characterized in that:
the fixed seat (2) in the shell comprises a fixed front column body (21), a fixed middle column body (22) and a fixed rear column body (23) which are sequentially connected, wherein the fixed front column body (21) and the fixed middle column body (22) are both positioned in the oil pan (1), the fixed rear column body (23) is positioned outside the oil pan (1), a front column cavity (211) is formed in the fixed front column body (21), the outer wall of the fixed middle column body (22) is connected with the inner wall of the oil drain hole (11), a middle column cavity (221) is formed in the fixed middle column body (22), the front end of the middle column cavity (221) is communicated with the front column cavity (211) to form an inserting cavity (24), the rear end of the middle column cavity (221) is communicated with a middle rear hole (222) formed in the fixed middle column body (22), the part, which is positioned at the periphery of the middle rear hole (222), of the fixed middle column body (22) is connected with one end of the telescopic spring (4), the other end of the telescopic spring (4) is connected with the inner side surface of the piston sleeve (5), the middle part of the piston sleeve (5) is provided with an inner hole (51) of the piston sleeve (5), and the inner hole (51) of the middle column cavity (221) is respectively communicated with the inner hole (51) of the middle column cavity (5);
the shell outside blocking piece (3) comprises a front inserting column (31), a middle inserting column (32) and a rear clamping body (33) which are coaxial, wherein the front end of the front inserting column (31) is in insertion fit with a front column cavity (211), the rear end of the front inserting column (31) penetrates through a sleeve inner hole (51) and then is connected with the front end of the middle inserting column (32) to form an inserting column (34), the rear end of the middle inserting column (32) penetrates through a middle rear hole (222) and then is connected with the rear clamping body (33), and the diameters of the front inserting column (31), the sleeve inner hole (51), the middle inserting column (32) and the middle rear hole (222) are sequentially increased;
an upper guide column (52) and a lower guide column (53) are arranged on the outer side surface of the piston sleeve (5), the upper guide column (52) and the lower guide column (53) are vertically symmetrical by taking the central axis of the piston sleeve (5) as a symmetry line, the upper guide column (52) and the lower guide column (53) are respectively in insertion fit with an upper guide hole (54) and a lower guide hole (55) which are arranged in the fixed front column (21), and the upper guide column (52) and the lower guide column (53) are shorter than the front inserted column (31);
the rear clamping body (33) comprises an upper clamping block (331) and a lower clamping block (332), the upper clamping block (331) and the lower clamping block (332) are respectively connected with the top and the bottom of the rear end of the middle inserting column (32), the outer side surfaces of the upper clamping block (331) and the lower clamping block (332) are all level with the outer side surface of the rear end of the middle inserting column (32), the upper clamping block (331) and the lower clamping block (332) are in point symmetry by taking the center of a circle of the rear end of the middle inserting column (32) as a symmetry point, and the widths of the upper clamping block (331) and the lower clamping block (332) are smaller than the radius of the rear end of the middle inserting column (32);
the middle part of the fixed post column body (23) is provided with a middle rear hole (222), the top of the outer side surface of the fixed post column body (23) is vertically connected with one end of an upper middle connecting block (61), the other end of the upper middle connecting block (61) is vertically connected with the top end of an upper arc plate (6), the bottom end of the outer side surface of the fixed post column body (23) is vertically connected with one end of a lower middle connecting block (71), the other end of the lower middle connecting block (71) is vertically connected with the bottom end of a lower arc plate (7), the bottom end of the upper arc plate (6) and the top end of the lower arc plate (7) are just right opposite to each other, the upper arc plate (6), the upper middle connecting block (61) and the outer side surface of the fixed post column body (23) are clamped together to form an upper clamping groove (62) which is matched with an upper clamping block (331), and the outer side surfaces of the lower arc plate (7), the lower middle connecting block (71) and the fixed post column body (23) are clamped together to form a lower clamping groove (72) which is matched with a lower clamping block (332).
2. The stretch detent engine oil pan drain plug system of claim 1, wherein: the number of the telescopic springs (4) is two, and the two telescopic springs (4) are vertically symmetrical by taking the central axis of the middle column cavity (221) as a symmetry line.
3. A stretch detent engine sump drain plug system according to claim 1 or 2, wherein: the minimum distance between the upper clamping groove (62) and the lower clamping groove (72) is larger than the distance between the bottom end of the upper arc plate (6) and the top end of the lower arc plate (7).
4. A stretch detent engine sump drain plug system according to claim 1 or 2, wherein: the rear end of well inserted post (32) has seted up a indent drive post groove (82), and outer notch (83) of this drive post groove (82) are parallel and level mutually with the lateral surface of well inserted post (32) rear end, and the inner wall of drive post groove (82) is connected with the lateral surface of transverse driving pole (8) one end, and the other end of transverse driving pole (8) is connected with perpendicular the bottom of perpendicular actuating lever (81) after passing through outer notch (83), and the junction of transverse driving pole (8), perpendicular actuating lever (81) is located the outside of arc board (6), lower arc board (7).
5. A stretch detent engine sump drain plug system according to claim 1 or 2, wherein: the structure of going up arc board (6), lower arc board (7) is unanimous, all includes circular arc limit (63), hypotenuse (64), hypotenuse (65) and horizontal limit (66), circular arc limit (63) just set up with horizontal limit (66), hypotenuse (64) just set up with hypotenuse (65) just, two bottoms of circular arc limit (63) are connected with hypotenuse (64), the top of hypotenuse (65) respectively, hypotenuse (64), the bottom of hypotenuse (65) is connected with the both ends of horizontal limit (66) respectively, the width of circular arc limit (63) is greater than the width of horizontal limit (66), the width of horizontal limit (66) is greater than the width of last fixture block (331), lower fixture block (332).
6. A stretch detent engine sump drain plug system according to claim 1 or 2, wherein: a transparent observation block (9) is embedded in a part, which is positioned between the front end of the front inserting column (31) and the outer side surface of the fixed front column (21), in the front column cavity (211).
7. A method of using the stretch-check engine sump drain plug system of claim 1 or 2, comprising a plug process and a removal process, specifically comprising:
the blocking process comprises the following steps: the front inserting column (31) is aligned with the middle rear hole (222), the rear clamping body (33) is pushed to drive the middle inserting column (32) and the front inserting column (31) to move forwards together, after the front inserting column (31) passes through the inner sleeve hole (51), the front middle inserting column (32) pushes the piston sleeve (5) to move forwards together, the front piston sleeve (5) drives the telescopic spring (4) connected with the front inserting column (31) to stretch forwards until the front inserting column (31) is inserted into the front column cavity (211), the rear clamping body (33) is stopped being pushed, at the moment, the front end of the middle inserting column (32) is contacted with the inner side surface of the fixed front column (21) through the piston sleeve (5), the rear end of the middle inserting column (32) penetrates through the middle rear hole (222) and then is connected with the rear clamping body (33), the rear clamping body (33) is positioned on the outer side of the fixed rear column (23), and finally the rear clamping body (33) is fixed;
the dismantling process comprises the following steps: the rear clamping body (33) is firstly released from being fixed, the rear clamping body (33) is pulled out, the outer pulled rear clamping body (33) drives the middle inserting column (32) and the front inserting column (31) to move backwards together, and meanwhile, the reset telescopic spring (4) drives the middle inserting column (32) to move backwards through the piston sleeve (5) until the front inserting column (31) moves out of the middle rear hole (222).
8. The method of using a stretch detent engine oil pan drain plug system of claim 7, wherein:
the rear clamping body (33) comprises an upper clamping block (331) and a lower clamping block (332), the upper clamping block (331) and the lower clamping block (332) are respectively connected with the top and the bottom of the rear end of the middle inserting column (32), the outer side surfaces of the upper clamping block (331) and the lower clamping block (332) are all level with the outer side surface of the rear end of the middle inserting column (32), the upper clamping block (331) and the lower clamping block (332) are in point symmetry by taking the center of a circle of the rear end of the middle inserting column (32) as a symmetry point, and the widths of the upper clamping block (331) and the lower clamping block (332) are smaller than the radius of the rear end of the middle inserting column (32); a middle rear hole (222) is formed in the middle part of the fixed rear column body (23), the top end of the outer side surface of the fixed rear column body (23) is vertically connected with one end of an upper middle connecting block (61), the other end of the upper middle connecting block (61) is vertically connected with the top end of an upper arc plate (6), the bottom end of the outer side surface of the fixed rear column body (23) is vertically connected with one end of a lower middle connecting block (71), the other end of the lower middle connecting block (71) is vertically connected with the bottom end of a lower arc plate (7), the bottom end of the upper arc plate (6) and the top end of the lower arc plate (7) are arranged in a right-over way, the upper arc plate (6), the upper middle connecting block (61) and the outer side surface of the fixed rear column body (23) are clamped together to form an upper clamping groove (62) which is clamped and matched with an upper clamping block (331), and the outer side surfaces of the lower arc plate (7), the lower middle connecting block (71) and the fixed rear column body (23) are clamped together to form a lower clamping groove (72) which is clamped and matched with a lower clamping block (332);
in the plugging process: in the process that the rear clamping body (33) drives the middle inserting column (32) and the front inserting column (31) to move forwards together, the central axes of the upper clamping block (331) and the lower clamping block (332) are mutually perpendicular to the central axes of the upper clamping groove (62) and the lower clamping groove (72), after the front inserting column (31) is inserted into the front column cavity (211), pushing is stopped firstly, then the middle inserting column (32) is rotated to drive the upper clamping block (331) and the lower clamping block (332) connected with the front inserting column to rotate together until the upper clamping block (331) is clamped into the upper clamping groove (62) and the lower clamping block (332) is clamped into the lower clamping groove (72), then the middle inserting column (32) is loosened, and at the moment, the upper clamping block (331) and the lower clamping block (332) are fixed in the lower clamping groove (72) by the resilience force of the pulled-up telescopic spring (4) so as to fix the rear clamping body (33);
in the dismantling process, the following steps are adopted: the middle inserting column (32) is rotated to drive the upper clamping block (331) and the lower clamping block (332) which are connected with the middle inserting column to rotate together until the upper clamping block (331) is separated from the upper clamping groove (62) and the lower clamping block (332) is separated from the lower clamping groove (72) so as to unfixed the rear clamping body (33), and then the middle inserting column is rotated continuously until the central axis of the upper clamping block (331) and the central axis of the lower clamping block (332) are mutually perpendicular to the central axis of the upper clamping groove (62) and the central axis of the lower clamping groove (72), and then the rear clamping body (33) is pulled out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811280329.2A CN109268102B (en) | 2018-10-30 | 2018-10-30 | Stretching clamping type engine oil drain blocking system of engine oil pan and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811280329.2A CN109268102B (en) | 2018-10-30 | 2018-10-30 | Stretching clamping type engine oil drain blocking system of engine oil pan and use method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109268102A CN109268102A (en) | 2019-01-25 |
| CN109268102B true CN109268102B (en) | 2023-12-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811280329.2A Active CN109268102B (en) | 2018-10-30 | 2018-10-30 | Stretching clamping type engine oil drain blocking system of engine oil pan and use method thereof |
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| Country | Link |
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| CN (1) | CN109268102B (en) |
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| US5184698A (en) * | 1991-06-21 | 1993-02-09 | Sdi Operating Partners, L.P. | Expandable plug |
| CN201041058Y (en) * | 2007-04-10 | 2008-03-26 | 奇瑞汽车有限公司 | Oil releasing plug screw |
| CN101451458A (en) * | 2008-11-30 | 2009-06-10 | 奇瑞汽车股份有限公司 | Blockage of sealing oil sump duct and blockage method thereof |
| CN106351711A (en) * | 2016-09-21 | 2017-01-25 | 奇瑞汽车股份有限公司 | Engine oil pan assembly structure |
| CN207609462U (en) * | 2017-09-21 | 2018-07-13 | 重庆九创机车零部件有限公司 | A kind of purge cock component |
| CN108506065A (en) * | 2018-04-18 | 2018-09-07 | 东风商用车有限公司 | A kind of magnetic attraction engine sump tank purge cock structure and its manufacturing process |
| CN108533353A (en) * | 2018-04-18 | 2018-09-14 | 东风商用车有限公司 | A kind of buckle-type engine sump tank purge cock system and its application method |
| CN209293877U (en) * | 2018-10-30 | 2019-08-23 | 东风商用车有限公司 | A kind of stretching plece-cliped type engine sump tank is drained the oil block system |
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2018
- 2018-10-30 CN CN201811280329.2A patent/CN109268102B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5184698A (en) * | 1991-06-21 | 1993-02-09 | Sdi Operating Partners, L.P. | Expandable plug |
| CN201041058Y (en) * | 2007-04-10 | 2008-03-26 | 奇瑞汽车有限公司 | Oil releasing plug screw |
| CN101451458A (en) * | 2008-11-30 | 2009-06-10 | 奇瑞汽车股份有限公司 | Blockage of sealing oil sump duct and blockage method thereof |
| CN106351711A (en) * | 2016-09-21 | 2017-01-25 | 奇瑞汽车股份有限公司 | Engine oil pan assembly structure |
| CN207609462U (en) * | 2017-09-21 | 2018-07-13 | 重庆九创机车零部件有限公司 | A kind of purge cock component |
| CN108506065A (en) * | 2018-04-18 | 2018-09-07 | 东风商用车有限公司 | A kind of magnetic attraction engine sump tank purge cock structure and its manufacturing process |
| CN108533353A (en) * | 2018-04-18 | 2018-09-14 | 东风商用车有限公司 | A kind of buckle-type engine sump tank purge cock system and its application method |
| CN209293877U (en) * | 2018-10-30 | 2019-08-23 | 东风商用车有限公司 | A kind of stretching plece-cliped type engine sump tank is drained the oil block system |
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| Publication number | Publication date |
|---|---|
| CN109268102A (en) | 2019-01-25 |
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