CN210533615U - Internal expansion type pipe sealing device - Google Patents
Internal expansion type pipe sealing device Download PDFInfo
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- CN210533615U CN210533615U CN201921644330.9U CN201921644330U CN210533615U CN 210533615 U CN210533615 U CN 210533615U CN 201921644330 U CN201921644330 U CN 201921644330U CN 210533615 U CN210533615 U CN 210533615U
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Abstract
The embodiment of the utility model discloses internal expanding type pipe sealing device. The utility model discloses an internal expanding formula pipe sealing device, include: the support frame, telescopic machanism, connect the pull rod, first connecting seat, the connector, a fixed base, the sealing member, gas joint and controller, telescopic machanism and fixing base setting are on the support frame, the fixing base is equipped with first through-hole, connect the pull rod and be connected with telescopic machanism, first connecting seat and connector cover are established on connecting the pull rod, the sealing member sets up in the storage tank between connector and first connecting seat, gas joint sets up on connecting the pull rod, it is equipped with the gas passage with gas joint intercommunication to connect the pull rod. The utility model discloses an internal expanding formula pipe sealing device, telescopic machanism drive connect the pull rod when moving right, connect the pull rod and stretch into the feed liquor hole of oil cooler downthehole, block up the feed liquor hole and seal, let in high-pressure gas through gas connection and gas passage, can withstand voltage and sealed the detection to oil cooler, safe and reliable, convenient to use.
Description
Technical Field
The embodiment of the utility model provides an embodiment relates to mechanical frock field, concretely relates to internal expanding type pipe sealing device.
Background
The pressure container is a closed device which contains gas or liquid and bears certain pressure.
The oil cooler is a cooling device commonly used in a hydraulic system and a lubricating system of an automobile, and the cooling liquid on a cooling system loop of an engine is introduced into the oil cooler to cool hydraulic transmission oil, so that the increase of the oil consumption caused by overhigh oil temperature is prevented, and meanwhile, the oil is prevented from being oxidized and deteriorated. The oil cooler is a pressure vessel, needs to bear certain pressure during the use, and the oil cooler that the processing was accomplished need withstand voltage and sealed the detection before using.
The inventor of this application discovers, when examining the oil cooler among the prior art, generally adopt the end cap to block up the feed liquor hole of oil cooler, and the rethread air inlet lets in high-pressure gas to the oil cooler in to detect the withstand voltage and the sealing performance of oil cooler, because the oil cooler need bear higher pressure, the end cap that blocks up the feed liquor hole when letting in high-pressure gas jumps out easily, has the potential safety hazard, and the oil cooler still need set up the air inlet in order to let in high-pressure gas, and is more troublesome.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an internal expanding formula pipe sealing device for the feed liquor hole of sealed oil cooler to carry out withstand voltage and sealed the detection to the oil cooler.
The embodiment of the utility model provides an internal expanding type pipe sealing device for the feed liquor hole of sealed oil cooler, include: the device comprises a support frame, a telescopic mechanism, a connecting pull rod, a first connecting seat, a connector, a fixed seat, a sealing element, a gas joint and a controller;
the support frame is fixedly arranged;
the telescopic mechanism and the fixed seat are arranged on the support frame, and the fixed seat is provided with a first through hole;
the left end of the connecting pull rod is connected with the telescopic mechanism;
the first connecting seat and the connecting head are sleeved at the right end of the connecting pull rod, a containing groove is formed between the connecting head and the first connecting seat, the sealing element is arranged in the containing groove, the top surface of the sealing element protrudes out of the containing groove, the first connecting seat is positioned in the first through hole, the telescopic mechanism is used for driving the connecting pull rod to move left and right, the connecting pull rod extends into a liquid inlet hole of the oil cooler when moving right, and the sealing element is abutted against the inner wall of the liquid inlet hole;
the gas joint is arranged on the connecting pull rod;
the connecting pull rod is provided with a gas channel, the gas channel forms an opening on the right side of the connecting pull rod, the left side of the gas channel is communicated with the gas connector, and the gas connector is used for being externally connected with a gas source;
the telescopic mechanism is electrically connected with the controller.
In one possible embodiment, the sealing element is a first O-ring seal.
In one possible solution, the telescopic mechanism comprises: an oil cylinder and a sealing adjusting ring;
the oil cylinder is electrically connected with the controller;
the sealing adjusting ring is connected with the movable rod of the oil cylinder, and the connecting pull rod is connected with the sealing adjusting ring.
In a feasible scheme, the movable rod of the oil cylinder is provided with an external thread;
the sealed adjustable ring is provided with a thread through hole, and the thread through hole is matched with the external thread, so that the sealed adjustable ring is connected with the movable rod in a thread connection mode.
In one possible embodiment, the method further comprises: a second connecting seat;
the second connecting seat is connected with the sealing adjusting ring and provided with a step-shaped second through hole;
and the left end of the connecting pull rod is provided with a convex ring, the connecting pull rod penetrates through the second through hole, and the convex ring is used for abutting against the step shoulder of the second through hole.
In one possible embodiment, the method further comprises: a guide mechanism;
the oil cooler is provided with two guide holes;
the guide mechanism includes: a fixed plate and two guide pins;
the fixed plate is sleeved on the connecting pull rod;
the end parts of the two guide pins are conical, the two guide pins are arranged on the fixing plate and are positioned in the first through holes, and the two guide pins are respectively inserted into the two guide holes when the connecting pull rod moves rightwards.
In a possible scheme, the first connecting seat is provided with a first clamping groove, and the fixed seat is provided with a second clamping groove;
the fixed plate is clamped in the first clamping groove and connected with the first connecting seat, and the fixed plate is located in the second clamping groove.
In one possible solution, the guide mechanism further comprises: three ball plungers;
a gap is formed between the first connecting seat and the wall of the first through hole, a gap is formed between the connecting pull rod and the wall of the second through hole, and a gap is formed between the fixing plate and the second clamping groove;
the three ball head plungers are uniformly distributed along the circumferential direction of the first connecting seat;
the ball plunger includes: screw, ball and spring;
the screw rod sets up on the fixing base, the one end of screw rod is equipped with the mounting groove, the ball with the spring sets up in the mounting groove, the one end of spring with the screw rod is connected, the other end with the ball is connected, just the ball protrusion in the terminal surface of screw rod, be used for with first connecting seat counterbalance.
In one possible embodiment, the method further comprises: fixing the bolt;
the right end of the connecting pull rod is in a step shape, and the right end of the connecting pull rod is provided with an internal thread;
the fixing bolt is provided with an air hole which is meshed with the connecting pull rod, a sealing gasket is arranged between the fixing bolt and the connecting pull rod, the fixing bolt is used for enabling the connector to be abutted against the step shoulder of the connecting pull rod when the fixing bolt is screwed, and the air hole is communicated with the gas channel.
In a feasible scheme, a second O-shaped sealing ring is arranged between the connecting head and a step shoulder of the connecting pull rod.
According to the above scheme, the utility model discloses an internal expanding formula pipe sealing device, through setting up the support frame, telescopic machanism, connect the pull rod, first connector, the connector, a fixed base, the sealing member, gas connection and controller, telescopic machanism and fixing base setting are on the support frame, the fixing base is equipped with first through-hole, the left end and the telescopic machanism of connecting the pull rod are connected, first connector and connector cover are established at the right-hand member of connecting the pull rod, the sealing member sets up in the storage tank between connector and first connector, gas connection sets up on connecting the pull rod, it is equipped with the gas passage with the gas connection intercommunication to connect the pull rod. The utility model discloses an internal expanding pipe sealing device, telescopic machanism drives and connects the pull rod when moving right, it is downthehole that the right-hand member of connecting the pull rod stretches into the feed liquor of oil cooler, and the cover is established and is established the sealing member on connecting the pull rod and the inner wall in the feed liquor hole of oil cooler counterbalance is held, make the feed liquor hole of oil cooler blockked up and sealed, through gas connection and the gas passage who connects the pull rod, to the appearance intracavity of oil cooler let in high-pressure gas, can carry out withstand voltage and sealed the detection to the oil cooler, safety and reliability, high durability and convenient use.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic view of an internal expansion pipe sealing device according to an embodiment of the present invention;
fig. 2 is a schematic view of an oil cooler in an embodiment of the present invention;
fig. 3 is a cross-sectional view of an internal expanding tube sealing device in an embodiment of the invention;
fig. 4 is an enlarged view of a point a in fig. 3 in an embodiment of the present invention;
figure 5 is a schematic view of the guiding mechanism of the internal expanding tube sealing device in an embodiment of the present invention,
fig. 6 is a schematic view illustrating an installation of a ball plunger of the internal expansion type pipe sealing device according to the embodiment of the present invention;
fig. 7 is a schematic view of a ball plunger of the internal expanding tube sealing device according to the embodiment of the present invention.
Reference numbers in the figures:
1. an oil cooler; 101. a liquid inlet hole; 102. a guide hole; 2. a support frame; 3. a telescoping mechanism; 301. an oil cylinder; 3011. a movable rod; 302. sealing the adjusting ring; 4. connecting a pull rod; 401. a gas channel; 402. a convex ring; 5. a first connecting seat; 501. a first card slot; 6. a connector; 7. a fixed seat; 701. a first through hole; 702. a second card slot; 8. a seal member; 9. a gas joint; 10. a second connecting seat; 1001. a second through hole; 11. a guide mechanism; 1101. a fixing plate; 1102. a guide pin; 1103. a ball plunger; 11031, screw; 110311, mounting grooves; 11032. a ball bearing; 11033. a spring; 12. fixing the bolt; 1201. A vent hole; 1202. a sealing gasket; 13. a second O-ring seal; 100. a containing groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the referenced mechanism or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as a fixed connection, a detachable connection, or an integral part; the connection can be mechanical connection, electrical connection or communication connection; either directly or indirectly through intervening media, either internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The technical solution of the present invention will be described in detail with specific examples. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments.
Fig. 1 is the embodiment of the utility model provides an in the embodiment of the schematic diagram of internal expanding type pipe sealing device, fig. 2 is the embodiment of the utility model provides an in the schematic diagram of oil cooler, fig. 3 is the embodiment of the utility model provides an in the cross-sectional view of internal expanding type pipe sealing device, fig. 4 is the embodiment of the utility model provides an in the embodiment of the A enlarger of fig. 3, fig. 5 is the embodiment of the utility model provides an in the embodiment of the guiding mechanism's of internal expanding type pipe sealing device schematic diagram, fig. 6 is the embodiment of the utility model provides an in the embodiment of the installation schematic diagram of internal expanding type pipe sealing device's bulb plunger, fig. 7 is the embodiment of the utility model provides an in the. As shown in fig. 1 to 7, the internal expansion pipe sealing device in this embodiment is used to block and seal the liquid inlet hole 101 of the oil cooler 1, so as to perform pressure resistance and sealing detection on the oil cooler 1. The internal expanding type pipe sealing device in this embodiment includes: support frame 2, telescopic machanism 3, connection pull rod 4, first connecting seat 5, connector 6, fixing base 7, sealing member 8, gas joint 9 and controller.
The support frame 2 is fixedly arranged through a connecting piece.
The left end of connecting rod 4 is connected with telescopic machanism 3, and the right-hand member of connecting rod 4 passes the lateral wall of support frame 2 and the first through-hole 701 of fixing base 7, and the right-hand member of connecting rod 4 stretches out the right flank of fixing base 7, and flexible drive of the movable rod of telescoping device 3 connects the connecting rod 4 and removes.
The first connecting seat 5 and the connector 6 are sleeved at the end part of the right end of the connecting pull rod 4, the first connecting seat 5 is positioned in a first through hole 701 of the fixed seat 7 and can move left and right along the first through hole 701, the connector 6 is positioned on the right side of the first connecting seat 5, a gap is formed between the connector 6 and the first connecting seat 5, a containing groove 100 is formed between the connector 6 and the first connecting seat 5, the sealing element 8 is sleeved on the connecting pull rod 4 and embedded in the containing groove 100, the top surface of the sealing element 8 protrudes out of the containing groove 100, when the telescopic mechanism 3 stretches and drives the connecting pull rod 4 to move right, the right end of the connecting pull rod 4 extends into the liquid inlet hole 101 of the oil cooler 1, the outer side wall of the sealing element 8 abuts against the inner wall of the liquid inlet hole 101 of the oil cooler 1, and the liquid inlet hole 101 of the oil.
The gas connection 9 is arranged on the circumferential side wall of the connecting link 4.
The inside of connecting pull rod 4 is equipped with gas channel 401 along the axial, and gas channel 401 forms opening (gas outlet) on the right side terminal surface of connecting pull rod 4, and gas channel 401's left side and the gas connection 9 intercommunication on the connecting pull rod 4, and gas connection 9 is connected with outside air supply, and after the feed liquor hole 101 of oil cooler 1 blockked up, through gas connection 9 and gas channel 401, to the appearance intracavity input high-pressure gas of oil cooler 1, can carry out withstand voltage and sealed the detection to oil cooler 1.
The telescopic mechanism 3 is electrically connected with a controller (not shown in the figure), and the controller controls the telescopic mechanism 3 to stretch, namely controls the connecting pull rod 4 to move left and right.
Through the above, it is not difficult to find that, the internal expanding type pipe sealing device of this embodiment, through setting up the support frame, telescopic machanism, the connecting rod, first connector, the connector, a fixed base, the sealing member, gas connection and controller, telescopic machanism and fixed base setting are on the support frame, the fixed base is equipped with first through-hole, the left end and the telescopic machanism of connecting rod are connected, the right-hand member at the connecting rod is established to first connector and connector cover, the sealing member sets up in the storage tank between connector and first connector, gas connection sets up on connecting rod, connecting rod is equipped with the gas passage with gas connection intercommunication. The internal expanding pipe sealing device of this embodiment, telescopic machanism drives and connects the pull rod when moving right, it is downthehole that the right-hand member of connecting the pull rod stretches into the feed liquor of oil cooler, and the cover is established and is held with the inner wall counterbalance in the feed liquor hole of oil cooler on connecting the pull rod, make the feed liquor hole of oil cooler blockked up and sealed, gas passage through gas connection and connection pull rod, to the appearance intracavity of oil cooler let in high-pressure gas, can withstand voltage and sealed the measuring to the oil cooler, safety and reliability, high durability and convenient use.
Optionally, in the internal expansion pipe sealing device in this embodiment, the sealing element 8 is a first O-ring, the first O-ring of the sealing element 8 is embedded in the accommodating groove 100 between the connector 6 and the first connecting seat 5, and when the connecting rod 4 moves rightwards, the first O-ring is compressed and attached to the inner wall of the liquid inlet hole 101 of the oil cooler 1, so that the liquid inlet hole 101 of the oil cooler 1 is blocked and sealed.
Optionally, in this embodiment, the telescopic mechanism 3 includes: a cylinder 301 and a seal adjustment ring 302.
The oil cylinder 301 is fixedly arranged on the support frame 2 and electrically connected with the controller.
The sealing adjusting ring 302 is connected with the movable rod 3011 of the oil cylinder 301, the left end of the connecting pull rod 4 is connected with the sealing adjusting ring 302, and the expansion of the movable rod 3011 of the oil cylinder 301 drives the sealing adjusting ring 302 and the connecting pull rod 4 to move left and right.
Further, in this embodiment, an external thread is provided on a circumferential side wall of the movable rod 3011 of the oil cylinder 301.
The center of sealed adjustable ring 302 is equipped with the screw thread through-hole, the screw thread through-hole on the sealed adjustable ring 302 and the external screw thread adaptation on the movable rod 3011, sealed adjustable ring 302 passes through the screw thread through-hole meshing on the movable rod 3011 of hydro-cylinder 301, make things convenient for the connection of sealed adjustable ring 302 and the movable rod 3011 of hydro-cylinder 301, the adjustable position of connecting pull rod 4 about through rotatory sealed adjustable ring 302 simultaneously, adjust the position about sealing member 8 promptly, in order to adapt to oil cooler 1 to the position demand about sealing member 8.
Further, the internal expanding tube sealing device in this embodiment further includes: a second connecting socket 10.
The second connecting seat 10 is arranged between the sealing adjusting ring 302 and the connecting pull rod 4, the second connecting seat 10 is fixedly connected with the sealing adjusting ring 302, the second connecting seat 10 is provided with a through second through hole 1001, the second through hole 1001 is step-shaped, and the second through hole 1001 is provided with a step in the second connecting seat 10.
The left end of the connecting pull rod 4 is provided with a convex ring 402, the connecting pull rod 4 is arranged in the second through hole 1001 of the second connecting seat 10 in a penetrating manner, the convex ring 402 is arranged in the second through hole 1001 of the second connecting seat 10 and is abutted against the step shoulder of the second through hole 1001 of the second connecting seat 10, so that the sealing adjusting ring 302 drives the second connecting seat 10 and the connecting pull rod 4 to move left and right when moving left and right.
Further, as shown in fig. 1, 3, 5, and 6, the internal expanding pipe sealing device in the present embodiment further includes: a guide mechanism 11.
Two guide holes 102 are arranged on the oil cooler 1.
The guide mechanism 11 includes: a fixed plate 1101 and two guide pins 1102.
The fixing plate 1101 is fitted over the connecting rod 4.
The end parts of the two guide pins 1102 are tapered, the guide pins 1102 are fixedly arranged on the fixing plate 1101, the guide pins 1102 are arranged in the first through holes 701 of the fixing base 7 in a penetrating mode, the two guide pins 1102 correspond to the two guide holes 102 in the oil cooler 1 in position, and when the connecting pull rod 4 moves rightwards, the two guide pins 1102 are respectively inserted into the two guide holes 102 in the oil cooler 1, so that the right end of the connecting pull rod 4 smoothly enters the liquid inlet hole 101 of the oil cooler 1.
Further, a first engaging groove 501 is disposed on a left side surface of the first connecting base 5, and a second engaging groove 702 is disposed on a left side surface of the fixing base 7.
Fixing plate 1101 of guide mechanism 11 is sleeved on connecting pull rod 4, and fixing plate 1101 is clamped in first clamping groove 501 of first connecting seat 5, so that fixing plate 1101 is fixedly connected with first connecting seat 5, and fixing plate 1101 is located in second clamping groove 702 of fixing seat 7, thereby facilitating connection of fixing seat 7 and support frame 2.
Further, in the internal expanding tube sealing device of the present embodiment, the guide mechanism 11 further includes: three ball plungers 1103.
A gap is arranged between the first connecting seat 5 and the hole wall of the first through hole 701 of the fixed seat 7, a gap is also arranged between the guide pin 1102 and the hole wall of the first through hole 701 of the fixed seat 7, a gap is also arranged between the fixing plate 1101 and the second clamping groove 702 of the fixed seat 7, and a gap is arranged between the connecting pull rod 4 and the convex ring 402 and the hole wall of the second through hole 1001 of the second connecting seat 10, so that a moving space is reserved in the radial direction of the connecting pull rod 4, and the connecting pull rod can move up and down.
The three ball plungers 1103 are uniformly arranged in the circumferential direction of the first connecting seat 5.
As shown in fig. 4 and 7, the ball plunger 1103 includes: a screw 11031, balls 11032 and a spring 11033.
The side wall of the fixed seat 7 is provided with a threaded hole, the screw 11031 is engaged with the threaded hole of the fixed seat 7, one end of the screw 11031 is provided with a mounting groove 110311, the ball 11032 and the spring 11033 are arranged in the mounting groove 110311 of the screw 11031, one end (inner end) of the spring 11033 is connected with the screw 11031, the other end of the spring 11033 is connected with the ball 11032, and the outer top surface of the ball 11032 protrudes out of the end surface of the screw 11031 and abuts against the circumferential side wall of the first connecting seat 5.
Because the liquid inlet joint of the oil cooler 1 is connected to the oil cooler in a welding manner, the position of the liquid inlet hole 101 of each oil cooler 1 has a little deviation, in this embodiment, the connecting pull rod 4 is provided with a moving space in the radial direction, after the front end of the guide pin 1102 is inserted into the liquid inlet hole 101 of the oil cooler 1, the connecting pull rod 4 can smoothly enter the liquid inlet hole 101, and the ball 11032 is kept abutting against the first connecting seat 5 by the elasticity of the spring 11033, so that the connecting pull rod 4 is kept stable.
Optionally, the internal expanding tube sealing device in this embodiment further includes: the bolt 12 is fixed.
The end of the right end of the connecting pull rod 4 is stepped, and an internal thread is provided on the inner wall of the gas passage 401 at the end of the right end of the connecting pull rod 4.
The fixing bolt 12 is provided with a through vent hole 1201, the fixing bolt 12 is meshed on the inner wall of a gas channel 401 of the connecting pull rod 4, the vent hole 1201 on the fixing bolt 12 is communicated with the gas channel 401 of the connecting pull rod 4, a sealing gasket 1202 is arranged between the fixing bolt 12 and the side wall of the connecting pull rod 4, the fixing bolt 12 and the connecting pull rod 4 are sealed, the connector 6 is sleeved on the end part of the step of the connecting pull rod 4, the fixing bolt 12 is screwed, the connector 6 is abutted to the shoulder part of the step of the connecting pull rod 4, and the connecting fixing between the connector 6 and the connecting pull rod 4 is facilitated.
Optionally, in this embodiment, a second O-ring 13 is disposed between the connector 6 and the step shoulder of the connecting pull rod 4, so that the connector 6 and the connecting pull rod 4 are kept sealed.
In the present application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first feature or the second feature or indirectly contacting the first feature or the second feature through an intermediate.
Also, a first feature "on," "above," and "over" a second feature may mean that the first feature is directly above or obliquely above the second feature, or that only the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lower level than the second feature.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example" or "some examples," or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. The utility model provides an internal expanding formula pipe sealing device for the feed liquor hole of sealed oil cooler, its characterized in that includes: the device comprises a support frame, a telescopic mechanism, a connecting pull rod, a first connecting seat, a connector, a fixed seat, a sealing element, a gas joint and a controller;
the support frame is fixedly arranged;
the telescopic mechanism and the fixed seat are arranged on the support frame, and the fixed seat is provided with a first through hole;
the left end of the connecting pull rod is connected with the telescopic mechanism;
the first connecting seat and the connecting head are sleeved at the right end of the connecting pull rod, a containing groove is formed between the connecting head and the first connecting seat, the sealing element is arranged in the containing groove, the top surface of the sealing element protrudes out of the containing groove, the first connecting seat is positioned in the first through hole, the telescopic mechanism is used for driving the connecting pull rod to move left and right, the connecting pull rod extends into a liquid inlet hole of the oil cooler when moving right, and the sealing element is abutted against the inner wall of the liquid inlet hole;
the gas joint is arranged on the connecting pull rod;
the connecting pull rod is provided with a gas channel, the gas channel forms an opening on the right side of the connecting pull rod, the left side of the gas channel is communicated with the gas connector, and the gas connector is used for being externally connected with a gas source;
the telescopic mechanism is electrically connected with the controller.
2. The internal expanding tube seal of claim 1, wherein said sealing element is a first O-ring seal.
3. The internal expanding tube sealing device as claimed in claim 1, wherein the telescoping mechanism comprises: an oil cylinder and a sealing adjusting ring;
the oil cylinder is electrically connected with the controller;
the sealing adjusting ring is connected with the movable rod of the oil cylinder, and the connecting pull rod is connected with the sealing adjusting ring.
4. The internal expanding tube sealing device as claimed in claim 3, wherein the movable rod of the cylinder is provided with external threads;
the sealed adjustable ring is provided with a thread through hole, and the thread through hole is matched with the external thread, so that the sealed adjustable ring is connected with the movable rod in a thread connection mode.
5. The internal expanding tube sealing device as claimed in claim 3, further comprising: a second connecting seat;
the second connecting seat is connected with the sealing adjusting ring and provided with a step-shaped second through hole;
and the left end of the connecting pull rod is provided with a convex ring, the connecting pull rod penetrates through the second through hole, and the convex ring is used for abutting against the step shoulder of the second through hole.
6. The internal expanding tube sealing device as claimed in claim 5, further comprising: a guide mechanism;
the oil cooler is provided with two guide holes;
the guide mechanism includes: a fixed plate and two guide pins;
the fixed plate is sleeved on the connecting pull rod;
the end parts of the two guide pins are conical, the two guide pins are arranged on the fixing plate and are positioned in the first through holes, and the two guide pins are respectively inserted into the two guide holes when the connecting pull rod moves rightwards.
7. The internal expanding tube sealing device as claimed in claim 6, wherein the first connecting seat is provided with a first locking groove, and the fixed seat is provided with a second locking groove;
the fixed plate is clamped in the first clamping groove and connected with the first connecting seat, and the fixed plate is located in the second clamping groove.
8. The apparatus of claim 7, wherein said guide mechanism further comprises: three ball plungers;
a gap is formed between the first connecting seat and the wall of the first through hole, a gap is formed between the connecting pull rod and the wall of the second through hole, and a gap is formed between the fixing plate and the second clamping groove;
the three ball head plungers are uniformly distributed along the circumferential direction of the first connecting seat;
the ball plunger includes: screw, ball and spring;
the screw rod sets up on the fixing base, the one end of screw rod is equipped with the mounting groove, the ball with the spring sets up in the mounting groove, the one end of spring with the screw rod is connected, the other end with the ball is connected, just the ball protrusion in the terminal surface of screw rod, be used for with first connecting seat counterbalance.
9. The internal expanding tube sealing device as claimed in claim 1, further comprising: fixing the bolt;
the right end of the connecting pull rod is in a step shape, and the right end of the connecting pull rod is provided with an internal thread;
the fixing bolt is provided with an air hole which is meshed with the connecting pull rod, a sealing gasket is arranged between the fixing bolt and the connecting pull rod, the fixing bolt is used for enabling the connector to be abutted against the step shoulder of the connecting pull rod when the fixing bolt is screwed, and the air hole is communicated with the gas channel.
10. The internal expanding tube sealing device as claimed in claim 9, wherein a second O-ring is provided between the connector and the step shoulder of the connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921644330.9U CN210533615U (en) | 2019-09-29 | 2019-09-29 | Internal expansion type pipe sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921644330.9U CN210533615U (en) | 2019-09-29 | 2019-09-29 | Internal expansion type pipe sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210533615U true CN210533615U (en) | 2020-05-15 |
Family
ID=70607102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921644330.9U Active CN210533615U (en) | 2019-09-29 | 2019-09-29 | Internal expansion type pipe sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210533615U (en) |
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2019
- 2019-09-29 CN CN201921644330.9U patent/CN210533615U/en active Active
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