CN115351749B - Sealing element expander - Google Patents
Sealing element expander Download PDFInfo
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- CN115351749B CN115351749B CN202211146401.9A CN202211146401A CN115351749B CN 115351749 B CN115351749 B CN 115351749B CN 202211146401 A CN202211146401 A CN 202211146401A CN 115351749 B CN115351749 B CN 115351749B
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- metal gasket
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
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Abstract
The invention belongs to the field of expanders, and particularly relates to a sealing element expander which comprises a base; the top surface of the base is fixedly connected with a sleeve; the top of the sleeve is connected with a sleeve rod in a sliding manner; the surface of the loop bar is connected with a plurality of expansion pieces in a sliding manner, the expansion pieces are combined into a circular truncated cone shape, and the tops of the expansion pieces are sleeved with elastic rubber rings; the outer side surfaces of the expansion pieces are provided with arc-shaped grooves which are uniformly distributed; the cell wall of arc wall all is connected with a pair of shell fragment, fixes rubber circle or metal gasket in the arc wall through the shell fragment, has both made things convenient for the workman to embolia rubber circle or metal gasket in the arc wall, can prevent again that rubber circle or metal gasket from following the arc wall in-process roll-off of expansion, when having ensured rubber circle or metal gasket expansion effect, has reduced the operation degree of difficulty.
Description
Technical Field
The invention belongs to the field of expanders, and particularly relates to a sealing element expander.
Background
In the installation process of equipment needing sealing treatment, sealing elements such as rubber rings or metal gaskets are often required to be added at the sealing connection position to assist sealing, the sealing elements with different specifications need to correspond to different assembly requirements in the installation process, the installation process is complex, and therefore an expander is used for expanding the sealing elements such as the rubber rings or the metal gaskets to adapt to the assembly requirements of different equipment.
The prior art also provides some solutions, for example a patent application with publication number CN207593665U discloses a sealing member expander with a wide application range, which comprises a bottom plate, expansion fan blades, an air spring, a fine adjustment nut, a pressing frame and an OR ring, wherein the expansion fan blades are arranged at the top of the bottom plate, the bottom plate and the expansion fan blades are fixedly connected through the air spring, the OR ring is arranged at the top of the air spring, the OR ring is positioned at the top of the expansion fan blades, the bottom of the air spring is inserted into the fine adjustment nut, and the pressing frame is arranged in an installation groove at the top of the OR ring.
Rubber circle or metal gasket cover are on expansion flabellum surface among the prior art, through the even expansion of expansion flabellum, drive rubber circle or metal gasket and expand, but overlap rubber circle or metal gasket on expansion flabellum surface, carry out the in-process that expands, because expansion flabellum surface is comparatively smooth, cup joint rubber circle or metal gasket and probably take place the dislocation, and then make rubber circle or metal gasket's expansion no longer even.
To this end, the present invention provides a seal expander.
Disclosure of Invention
To remedy the deficiencies of the prior art, at least one of the technical problems set forth in the background is addressed.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a sealing element expander, which comprises a base; the top surface of the base is fixedly connected with a sleeve; the top of the sleeve is connected with a sleeve rod in a sliding manner; the surface of the sleeve rod is connected with a plurality of expansion pieces in a sliding manner, the expansion pieces are combined into a circular truncated cone shape, and the tops of the expansion pieces are sleeved with elastic rubber rings; the outer side surfaces of the expansion pieces are provided with arc-shaped grooves which are uniformly distributed; the wall of the arc-shaped groove is connected with a pair of elastic sheets; when the rubber ring or the metal gasket is in work, in the assembling process of some sealing parts, the rubber ring or the metal gasket is often required to be installed at the joint to play a sealing role, but the diameter of the rubber ring or the metal gasket is sometimes smaller, and the rubber ring or the metal gasket can be normally used after being expanded.
Preferably, the groove wall surfaces of the two sides of the arc-shaped groove and the positions corresponding to the elastic sheets are provided with rotating grooves; one end of the elastic sheet close to the bottom of the arc-shaped groove is fixedly connected with a rotating shaft, and the rotating shaft is rotatably connected with the groove wall of the rotating groove; one side of the rotating shaft, which is far away from the elastic sheet, is connected with a straight plate; the during operation, when the workman fills in rubber circle or metal gasket in the arc wall, rubber circle or metal gasket can extrude the shell fragment, make the shell fragment rotate in opposite directions, and deformation takes place, make rubber circle or metal gasket normally fill in the arc wall, and after rubber circle or metal gasket are in the expansion through the workman, when needing to take out the use, the workman can break the shell fragment off with the fingers and thumb and make the shell fragment rotate towards the direction of keeping away from each other, from this take the shell fragment can drive the pivot and rotate, and drive the straight plate by the pivot and towards the direction perk of keeping away from the arc wall tank bottom, through the straight plate of perk, drive the tank bottom that rubber circle or metal gasket kept away from the arc wall, and be close to towards the arc wall notch direction, make things convenient for the workman to have expanded rubber circle or metal gasket and take out, workman's operation has been made things convenient for.
Preferably, the straight plate comprises a sleeve plate; the sleeve plate is rotationally connected with the rotating shaft through a torsional spring; a rotating plate is arranged inside the loop bar and is fixedly connected with the surface of the rotating shaft; one end of the sleeve plate close to the bottom of the arc-shaped groove is connected with a shifting sheet in a sliding manner; an elastic rope is fixedly connected between the side surface of the shifting piece and the inner wall of the sleeve plate, and the shifting piece is contacted with the surface of the rotating plate; the during operation, when the pivot drove the rotor plate and rotates towards the direction of keeping away from the arc wall tank bottom, the lagging did not take place earlier because the effect of torsional spring and rotates, until the rotor plate extrusion plectrum, make the ejecting lagging of plectrum, and tensile elasticity rope, and the plectrum inserts the bottom of rubber circle or metal gasket from this to finally through plectrum rubber circle or metal gasket jack-up, make its notch that is close to the arc wall more, further make things convenient for the workman to take out rubber circle or metal gasket.
Preferably, the elastic sheet is made of magnetic metal; the groove wall of the arc-shaped groove is fixedly connected with a magnet block at a position close to the notch; the during operation, when the workman need take out rubber circle or metal gasket that expand, can break the shell fragment off with the fingers and thumb, make it rotate towards the direction that is close to the arc wall cell wall, when the shell fragment totally body pastes the cell wall to each other arc wall, can be adsorbed by the magnet piece, carry out preliminary fixed to the notch that makes the arc is in the open mode, makes things convenient for the workman to take out rubber circle or metal gasket from the arc in still further.
Preferably, the surface of one side of the expansion sheet close to the loop bar is embedded with heating wires uniformly; a heat conducting plate is arranged at the bottom of the arc-shaped groove; the during operation, when the workman need expand the metal gasket, rise the temperature of metal gasket, more be favorable to the metal gasket to take place deformation, for this reason the workman can be with the heating wire circular telegram, through heating wire heating expansion piece, rethread expansion piece is with heat transfer to heat-conducting plate, again by heat-conducting plate with heat transfer to metal gasket for metal gasket's temperature rises, thereby increase metal gasket's plasticity, make things convenient for the workman to expand the metal gasket, when reducing the metal gasket expansion, the cracked possibility takes place.
Preferably, the bottom of the arc-shaped groove is provided with uniformly arranged grooves; first springs which are uniformly arranged are fixedly connected between the grooves and the heat conducting plate; the during operation, when the workman filled in the arc wall with the metal gasket in, the first spring of arc tank bottom portion pushes this board of heat conduction to the metal gasket to make the heat-conducting plate keep and the metal gasket between contact each other, from this through first spring with heat transfer to heat-conducting plate, again by heat-conducting plate with heat transfer to metal gasket, keep in contact with the metal gasket always through the heat-conducting plate, and then make the heat that the metal gasket can better absorption comes from the heat-conducting plate, thereby accelerate the metal gasket and heat up.
Preferably, the bottom of the groove is fixedly connected with a heat-conducting elastic rubber column; one end of the heat-conducting elastic rubber column, which is far away from the groove bottom, is fixedly connected with the heat-conducting plate, and the heat-conducting elastic rubber column is positioned inside the first spring; the during operation, after the heating wire starts, the heat is through expansion piece conduction heat elastic rubber post, is conducted the heat to the heat-conducting plate by heat conduction elastic rubber post again, through heat conduction elastic rubber post heat conduction, can accelerate the speed of heat conduction for metal gasket can heat up more fast, makes things convenient for the expansion operation of workman to metal gasket afterwards.
Preferably, the bottom surfaces of the expansion pieces are fixedly connected with limit columns; a limiting groove is formed in the top surface of the base at the position corresponding to the limiting column; the limiting column is connected with the limiting groove in a sliding manner; the during operation is driven by the loop bar when the expansion piece, and when moving towards the surface of base, the spacing post of expansion bottom surface can slide along the spacing groove for the expansion piece can be to the even expansion all around, prevents that the expansion of expansion piece is not enough even, and leads to rubber ring or metal gasket to break off.
Preferably, the top surface of the base is fixedly connected with a second spring in the sleeve; one end of the second spring, which is far away from the base, is fixedly connected with the loop bar; the surface of the sleeve rod is in threaded connection with a limiting sleeve ring; the during operation, when the workman need restrict the expansion degree of expansion piece, can twist the lantern ring on cover rod surface soon to suitable high back, push down the expansion piece again, just can't continue to descend after the lantern ring is extruded to the top of expansion piece, thereby restrict the expansion piece to expansion all around, and then reached the effect of the expansion degree of control expansion piece, the spring also can be after the expansion operation to rubber circle or metal gasket is accomplished in the sleeve simultaneously, jack-up the loop bar, and then drive the expansion piece and recover, make things convenient for the operation after the workman.
Preferably, a telescopic rod is arranged at the top end of the loop bar; the end surface of the telescopic part of the telescopic rod is contacted with the top surface of the loop bar; two sides of the base are fixedly connected with supporting frames; the support frame is fixedly connected with the telescopic rod; the during operation, when expanding the operation to some metal gasket, often the manpower pushes down the loop bar and drives the expansion piece expansion, and is comparatively difficult, and workman's accessible control telescopic link extension this moment, and then extrudees the loop bar, makes the loop bar drive the expansion piece and pushes down to accomplish the expansion operation to metal gasket, reduced workman's expansion metal gasket's the degree of difficulty.
The invention has the following beneficial effects:
1. according to the sealing piece expander, the rubber ring or the metal gasket is fixed in the arc-shaped groove through the elastic sheet, so that a worker can conveniently sleeve the rubber ring or the metal gasket into the arc-shaped groove, the rubber ring or the metal gasket can be prevented from sliding out of the arc-shaped groove in the expanding process, the expanding effect of the rubber ring or the metal gasket is guaranteed, and the operation difficulty is reduced.
2. According to the sealing element expander, the expanding sheet is heated through the electric heating wire, heat is transferred to the heat conducting plate through the expanding sheet, and then the heat is transferred to the metal gasket through the heat conducting plate, so that the temperature of the metal gasket is increased, the plasticity of the metal gasket is increased, a worker can conveniently expand the metal gasket, and the possibility of fracture of the metal gasket during expansion is reduced.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is a schematic structural view of a straight plate according to the present invention;
FIG. 5 is a partial enlarged view of FIG. 4 at B;
FIG. 6 is a schematic structural view of the stand of the present invention;
in the figure: 1. a base; 2. a sleeve; 3. a loop bar; 4. an expansion sheet; 5. an elastic rubber ring; 6. an arc-shaped slot; 7. a spring plate; 8. a rotating groove; 9. a rotating shaft; 10. a straight plate; 11. sheathing; 12. a rotating plate; 13. a shifting sheet; 14. an elastic cord; 15. a magnet block; 16. an electric heating wire; 17. a heat conducting plate; 18. a groove; 19. a first spring; 20. a thermally conductive elastic rubber column; 21. a limiting column; 22. a limiting groove; 23. a second spring; 24. a limiting lantern ring; 25. a telescopic rod; 26. a support frame.
Detailed Description
The present invention will be further described with reference to the following detailed description so that the technical means, the creation features, the achievement purposes and the effects of the present invention can be easily understood.
Example one
As shown in fig. 1 to 2, a seal expander according to an embodiment of the present invention includes a base 1; the top surface of the base 1 is fixedly connected with a sleeve 2; the top of the sleeve 2 is connected with a loop bar 3 in a sliding way; the surface of the loop bar 3 is connected with a plurality of expansion pieces 4 in a sliding manner, the expansion pieces 4 are combined into a circular truncated cone shape, and the tops of the expansion pieces 4 are sleeved with elastic rubber rings 5; the outer side surfaces of the expansion pieces 4 are provided with arc-shaped grooves 6 which are uniformly distributed; the wall of the arc-shaped groove 6 is connected with a pair of elastic sheets 7; when the rubber ring or the metal gasket is in work, in the assembling process of some sealing pieces, a rubber ring or a metal gasket is often required to be installed at an interface to play a sealing role, but sometimes the diameter of the rubber ring or the metal gasket is smaller, and the rubber ring or the metal gasket can be normally used after being expanded.
As shown in fig. 2 to 4, a rotating groove 8 is formed on the groove wall surfaces of the two sides of the arc-shaped groove 6 and at a position corresponding to the elastic sheet 7; one end of the elastic sheet 7 close to the bottom of the arc-shaped groove 6 is fixedly connected with a rotating shaft 9, and the rotating shaft 9 is rotationally connected with the groove wall of the rotating groove 8; one side of the rotating shaft 9, which is far away from the elastic sheet 7, is connected with a straight plate 10; the during operation, when the workman fills in rubber circle or metal gasket in arc 6, rubber circle or metal gasket can extrude shell fragment 7, make shell fragment 7 rotate in opposite directions, and take place deformation, make rubber circle or metal gasket can normally fill in arc 6, and after rubber circle or metal gasket are in the expansion through the workman, when needing to take out the use, the workman can break shell fragment 7 off with the fingers and thumb and make shell fragment 7 rotate towards the direction of keeping away from each other, from this take shell fragment 7 can drive pivot 9 and rotate, and drive straight board 10 by pivot 9 and tilt towards the direction of keeping away from 6 tank bottoms of arc 6 tank, through the straight board 10 of perk, drive the tank bottom that arc 6 was kept away from to rubber circle or metal gasket, and be close to towards 6 notch directions of arc, make things convenient for the workman to take out rubber circle or metal gasket with expanding, workman's operation has been made things convenient for.
As shown in fig. 3 to 5, wherein the straight plate 10 includes a strap 11; the sleeve plate 11 is rotationally connected with the rotating shaft 9 through a torsion spring; a rotating plate 12 is arranged inside the loop bar 3, and the rotating plate 12 is fixedly connected with the surface of the rotating shaft 9; one end of the sleeve plate 11 close to the bottom of the arc-shaped groove 6 is connected with a shifting piece 13 in a sliding manner; an elastic rope 14 is fixedly connected between the side surface of the shifting sheet 13 and the inner wall of the sleeve plate 11, and the shifting sheet 13 is contacted with the surface of the rotating plate 12; the during operation, when pivot 9 drives rotor plate 12 and rotates towards the direction of keeping away from the 6 tank bottoms of arc wall, lagging 11 is because the effect of torsional spring, the rotation does not take place earlier, until rotor plate 12 extrusion plectrum 13, make the ejecting lagging 11 of plectrum 13, and tensile elasticity rope 14, and plectrum 13 inserts the bottom of rubber ring or metal gasket from this, and finally through plectrum 13 rubber ring or metal gasket jack-up, make it be close to the notch of arc wall 6 more, further make things convenient for the workman to take out rubber ring or metal gasket.
As shown in fig. 4, the elastic sheet 7 is made of magnetic metal; the groove wall of the arc-shaped groove 6 is fixedly connected with a magnet block 15 at a position close to the notch; the during operation, when the workman need take out rubber circle or metal gasket that expand, can break shell fragment 7 off with the fingers and thumb, make it rotate towards the direction that is close to the 6 cell walls of arc wall, when the complete body of shell fragment 7 pastes the cell wall to each other arc wall 6, can be adsorbed by magnet piece 15, carry out preliminary fixed to make the notch of arc wall 6 be in the open mode, further make things convenient for the workman to take out rubber circle or metal gasket from arc wall 6.
As shown in fig. 4 to 5, the surface of one side of the expansion piece 4 close to the loop bar 3 is embedded with heating wires 16; a heat-conducting plate 17 is arranged at the bottom of the arc-shaped groove 6; the during operation, when the workman need expand the metal gasket, rise the temperature of metal gasket, more be favorable to the metal gasket to take place deformation, for this workman can be with heating wire 16 circular telegram, expand piece 4 through heating wire 16 heating, rethread expansion piece 4 is heat transfer to heat-conducting plate 17, again by heat-conducting plate 17 with heat transfer to metal gasket, make the temperature of metal gasket rise, thereby increase metal gasket's plasticity, make things convenient for the workman to expand the metal gasket, when reducing the metal gasket expansion, the fracture probably takes place.
As shown in fig. 4 to 5, the bottom of the arc-shaped groove 6 is provided with uniformly arranged grooves 18; first springs 19 which are uniformly arranged are fixedly connected between the grooves 18 and the heat conducting plate 17; the during operation, when the workman plugged in the arc wall 6 with the metal gasket in, the first spring 19 of 6 bottoms in arc wall pushed this board of heat conduction to the metal gasket to make heat-conducting plate 17 keep and the metal gasket between contact each other, from this through first spring 19 with heat transfer to heat-conducting plate 17, again by heat-conducting plate 17 with heat transfer to the metal gasket, keep in contact with the metal gasket through heat-conducting plate 17 always, and then make the heat that the absorption that the metal gasket can be better comes from heat-conducting plate 17, thereby accelerate the metal gasket and heat up.
As shown in fig. 4 to 5, a heat-conducting elastic rubber column 20 is attached to the bottom of the groove 18; one end of the heat-conducting elastic rubber column 20, which is far away from the groove bottom of the groove 18, is fixedly connected with the heat-conducting plate 17, and the heat-conducting elastic rubber column 20 is positioned inside the first spring 19; during operation, after the heating wire 16 starts up, the heat conducts the thermal elastic rubber column 20 through the expansion sheet 4, then conducts the heat to the heat-conducting plate 17 through the thermal elastic rubber column 20, conducts the heat through the thermal elastic rubber column 20, and can accelerate the speed of heat conduction, so that the metal gasket can be heated up more quickly, and the expansion operation of the metal gasket after a worker is facilitated.
As shown in fig. 2 to 3, the bottom surfaces of the expansion pieces 4 are fixedly connected with limiting columns 21; a limiting groove 22 is formed in the top surface of the base 1 at a position corresponding to the limiting column 21; the limiting column 21 is connected with the limiting groove 22 in a sliding manner; the during operation, when expansion piece 4 is driven by loop bar 3, when moving towards the surface of base 1, the spacing post 21 of expansion bottom surface can slide along spacing groove 22 for expansion piece 4 can be to the even expansion all around, and it is not even enough to prevent to expand 4 expansion of piece, and leads to rubber ring or metal gasket to take place the fracture.
As shown in fig. 2, a second spring 23 is fixedly connected to the top surface of the base 1 inside the sleeve 2; one end of the second spring 23, which is far away from the base 1, is fixedly connected with the loop bar 3; the surface of the loop bar 3 is in threaded connection with a limiting loop 24; the during operation, when the workman need restrict the expansion degree of expansion piece 4, can twist the lantern ring 24 on 3 surfaces of loop bar to suitable high back soon, push down expansion piece 4 again, just can't continue to descend after the lantern ring 24 is extruded at the top of expansion piece 4, thereby restriction expansion piece 4 is to expanding all around, and then reached the effect of the expansion degree of control expansion piece 4, 2 internal spring of sleeve also can be after the expansion operation to rubber ring or metal gasket is accomplished simultaneously, jack-up loop bar 3, and then drive expansion piece 4 and recover, make things convenient for the operation after the workman.
Example two
As shown in fig. 6, a first comparative example, in which another embodiment of the present invention is: the top end of the loop bar 3 is provided with a telescopic bar 25; the end surface of the telescopic part of the telescopic rod 25 is contacted with the top surface of the loop bar 3; two sides of the base 1 are fixedly connected with support frames 26; the support frame 26 is fixedly connected with the telescopic rod 25; the during operation, when expanding operation some metal gaskets, often the manpower pushes down loop bar 3 and drives expansion piece 4 and expand, and is comparatively difficult, and workman accessible control telescopic link 25 extension this moment, and then extrudees loop bar 3, makes loop bar 3 drive expansion piece 4 push down to accomplish the expansion operation to metal gasket, reduced the degree of difficulty that the workman expanded metal gasket.
When the rubber ring or the metal gasket is in work, in the assembling process of some sealing pieces, a rubber ring or a metal gasket is often required to be installed at an interface to play a sealing role, but sometimes the diameter of the rubber ring or the metal gasket is smaller, and the rubber ring or the metal gasket can be normally used after being expanded.
When the workman fills in rubber circle or metal gasket in arc 6, rubber circle or metal gasket can extrude shell fragment 7, make shell fragment 7 rotate in opposite directions, and take place deformation, make rubber circle or metal gasket normally fill in arc 6, and after rubber circle or metal gasket are through workman's expansion, when needing to take out the use, the workman can break shell fragment 7 off with the fingers and thumb and make shell fragment 7 rotate towards the direction of keeping away from each other, from this take shell fragment 7 can drive pivot 9 and rotate, and drive straight plate 10 by pivot 9 and tilt towards the direction of keeping away from arc 6 tank bottom, through the straight plate 10 of perk, drive the tank bottom that arc 6 was kept away from to rubber circle or metal gasket, and be close to towards arc 6 notch direction, make things convenient for the workman to take out well expanded rubber circle or metal gasket, workman's operation has been made things convenient for.
When the rotating shaft 9 drives the rotating plate 12 to rotate towards the direction far away from the bottom of the arc-shaped groove 6, the sleeve plate 11 does not rotate firstly under the action of the torsion spring until the rotating plate 12 extrudes the shifting piece 13, so that the shifting piece 13 ejects out of the sleeve plate 11, the elastic rope 14 is stretched, the shifting piece 13 is inserted into the bottom of the rubber ring or the metal gasket, and finally the rubber ring or the metal gasket is jacked up through the shifting piece 13, so that the rubber ring or the metal gasket is closer to the notch of the arc-shaped groove 6, and further, a worker can take out the rubber ring or the metal gasket conveniently.
When the workman need take out the rubber circle or the metal gasket that expand, can break off shell fragment 7 with the fingers and thumb, make it rotate towards the direction that is close to arc wall 6 cell wall, when the complete body of shell fragment 7 pastes the cell wall to each other arc wall 6, can be adsorbed by magnet piece 15, carry out preliminary fixed to make the notch of arc wall 6 be in the open mode, further make things convenient for the workman to take out rubber circle or metal gasket from arc wall 6.
When the workman need expand the metal gasket, rise the temperature of metal gasket, more be favorable to the metal gasket to take place deformation, for this workman can be with heating wire 16 circular telegram, through heating wire 16 heating expansion piece 4, rethread expansion piece 4 is with heat transfer to heat-conducting plate 17, again by heat-conducting plate 17 with heat transfer to metal gasket, make the temperature of metal gasket rise, thereby increase metal gasket's plasticity, make things convenient for the workman to expand the metal gasket, when reducing the metal gasket expansion, the cracked possibility takes place.
When the workman when stuffing the metal gasket into arc 6, the first spring 19 of 6 bottoms in arc pushes this board of heat conduction to the metal gasket to make heat-conducting plate 17 keep and the metal gasket between contact each other, from this through first spring 19 with heat transfer to heat-conducting plate 17, again by heat-conducting plate 17 with heat transfer to the metal gasket, keep in contact with the metal gasket through heat-conducting plate 17 always, and then make the heat that the metal gasket can be better absorption comes from heat-conducting plate 17, thereby accelerate the metal gasket and heat up.
When the heating wire 16 starts up the back, the heat conducts heat elastic rubber post 20 through expansion piece 4, is conducted to heat-conducting plate 17 by heat conduction elastic rubber post 20 again, conducts the heat through heat conduction elastic rubber post 20, can accelerate the speed of heat conduction for the metal gasket can heat up more fast, makes things convenient for the expansion operation to the metal gasket after the workman.
When expansion piece 4 is driven by loop bar 3, when moving towards the surface of base 1, the spacing post 21 of expansion bottom surface can slide along spacing groove 22 for expansion piece 4 can be to the even expansion all around, and it is not enough even to prevent expansion piece 4 expansion, and leads to rubber ring or metal gasket to break.
When the workman need restrict the expansion degree of expansion piece 4, can twist the lantern ring 24 on loop bar 3 surface soon to suitable high back, push down expansion piece 4 again, just can't continue to descend after the lantern ring 24 is extruded at the top of expansion piece 4, thereby restrict expansion piece 4 to expand all around, and then reached the effect of the expansion degree of control expansion piece 4, 2 internal spring of sleeve also can be after the expansion operation to rubber ring or metal gasket is accomplished simultaneously, jack-up loop bar 3, and then drive expansion piece 4 and recover, make things convenient for the operation after the workman.
When expanding some metal gaskets, often the manpower pushes down loop bar 3 and drives expansion piece 4 expansion, and is comparatively difficult, and workman accessible control telescopic link 25 extension this moment, and then extrudees loop bar 3, makes loop bar 3 drive expansion piece 4 push down to the completion is to metal gaskets's expansion operation, has reduced workman's expansion metal gaskets's the degree of difficulty.
The front, the back, the left, the right, the upper and the lower are all based on figure 1 in the attached drawings of the specification, according to the standard of the observation angle of a person, the side of the device facing an observer is defined as the front, the left side of the observer is defined as the left, and the like.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications are within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. A seal expander, comprising: comprises a base (1); the top surface of the base (1) is fixedly connected with a sleeve (2); the top of the sleeve (2) is connected with a loop bar (3) in a sliding way; the surface of the loop bar (3) is connected with a plurality of expansion pieces (4) in a sliding manner, the expansion pieces (4) are combined into a circular truncated cone shape, and elastic rubber rings (5) are sleeved at the tops of the expansion pieces (4); the outer side surfaces of the expansion pieces (4) are provided with arc-shaped grooves (6) which are uniformly distributed; the wall of each arc-shaped groove (6) is connected with a pair of elastic sheets (7); a rotating groove (8) is formed in the groove wall surfaces of the two sides of the arc-shaped groove (6) and at the position corresponding to the elastic sheet (7); one end of the elastic sheet (7) close to the bottom of the arc-shaped groove (6) is fixedly connected with a rotating shaft (9), and the rotating shaft (9) is rotatably connected with the groove wall of the rotating groove (8); one side of the rotating shaft (9) far away from the elastic sheet (7) is connected with a straight plate (10); the straight plate (10) comprises a sleeve plate (11); the sleeve plate (11) is rotationally connected with the rotating shaft (9) through a torsional spring; a rotating plate (12) is arranged inside the sleeve plate (11), and the rotating plate (12) is fixedly connected with the surface of the rotating shaft (9); one end of the sleeve plate (11) close to the bottom of the arc-shaped groove (6) is connected with a shifting sheet (13) in a sliding manner; an elastic rope (14) is fixedly connected between the side surface of the poking piece (13) and the inner wall of the sleeve plate (11), and the poking piece (13) is in contact with the surface of the rotating plate (12).
2. A seal expander as claimed in claim 1 and wherein: the elastic sheet (7) is made of magnetic metal; and the groove wall of the arc-shaped groove (6) is fixedly connected with a magnet block (15) at a position close to the groove opening.
3. A seal expander as claimed in claim 1 and wherein: heating wires (16) are uniformly embedded in the surface of one side, close to the loop bar (3), of the expansion sheet (4); the bottom of the arc-shaped groove (6) is provided with a heat-conducting plate (17).
4. A seal expander according to claim 1 and wherein: the bottom of the arc-shaped groove (6) is provided with uniformly arranged grooves (18); first springs (19) which are uniformly arranged are fixedly connected between the grooves (18) and the heat-conducting plate (17).
5. The seal expander of claim 4, wherein: the bottom of the groove (18) is fixedly connected with a heat-conducting elastic rubber column (20); one end, far away from the groove bottom of the groove (18), of the heat-conducting elastic rubber column (20) is fixedly connected with the heat-conducting plate (17), and the heat-conducting elastic rubber column (20) is located inside the first spring (19).
6. A seal expander as claimed in claim 1 and wherein: the bottom surfaces of the expansion pieces (4) are fixedly connected with limit columns (21); a limiting groove (22) is formed in the top surface of the base (1) at a position corresponding to the limiting column (21); the limiting column (21) is connected with the limiting groove (22) in a sliding mode.
7. A seal expander as claimed in claim 1 and wherein: the top surface of the base (1) is fixedly connected with a second spring (23) in the sleeve (2); one end of the second spring (23) far away from the base (1) is fixedly connected with the loop bar (3); the surface of the loop bar (3) is in threaded connection with a limiting loop (24).
8. A seal expander as claimed in claim 1 and wherein: the top end of the loop bar (3) is provided with a telescopic bar (25); the end surface of the telescopic part of the telescopic rod (25) is contacted with the top surface of the loop bar (3); two sides of the base (1) are fixedly connected with support frames (26); the support frame (26) is fixedly connected with the telescopic rod (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211146401.9A CN115351749B (en) | 2022-09-20 | 2022-09-20 | Sealing element expander |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211146401.9A CN115351749B (en) | 2022-09-20 | 2022-09-20 | Sealing element expander |
Publications (2)
| Publication Number | Publication Date |
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| CN115351749A CN115351749A (en) | 2022-11-18 |
| CN115351749B true CN115351749B (en) | 2023-02-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211146401.9A Active CN115351749B (en) | 2022-09-20 | 2022-09-20 | Sealing element expander |
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| CN (1) | CN115351749B (en) |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2121174U (en) * | 1992-06-24 | 1992-11-11 | 何绍汉 | Dilator for pressure cooker seal ring |
| JP5485948B2 (en) * | 2011-06-28 | 2014-05-07 | 株式会社栗本鐵工所 | Fixing ring diameter expansion tool |
| CN105619334A (en) * | 2014-11-04 | 2016-06-01 | 富泰华工业（深圳）有限公司 | Washer mounting jig |
| CN205271900U (en) * | 2015-12-28 | 2016-06-01 | 浙江汉达机械有限公司 | Piston seal assembles isolated plant |
| CN206254109U (en) * | 2016-11-29 | 2017-06-16 | 广州市长亿数控机床有限公司 | A kind of expander |
| CN108994774B (en) * | 2017-06-06 | 2020-08-04 | 泰科电子(上海)有限公司 | Elastic sealing ring opening device |
| CN107148098B (en) * | 2017-06-30 | 2023-06-09 | 东莞千度电热器材有限公司 | Disassembling and assembling device applied to metal heating sleeve |
| CN207593665U (en) * | 2017-12-08 | 2018-07-10 | 广州司密达实业有限公司 | A kind of leakproofness expander applied widely |
| CN109304396B (en) * | 2018-08-10 | 2023-10-20 | 涿州皓原箔业有限公司 | Rewinding machine with embossing device |
| CN215942757U (en) * | 2021-09-14 | 2022-03-04 | 山东德源密封科技有限公司 | Seal ring mounting clamp |
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- 2022-09-20 CN CN202211146401.9A patent/CN115351749B/en active Active
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| CN115351749A (en) | 2022-11-18 |
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