CN205645413U - Guider and have insulator of action bars - Google Patents

Abstract

The utility model discloses a guider for insulator, this insulator include the insulating tube, and inside this guider was fixed in above -mentioned insulating tube, this guider's center pin was to being provided with the guiding hole, and the axial is provided with the action bars in the above -mentioned insulating tube, and this action bars passes and ability axial displacement from above -mentioned guiding hole, is provided with the covering element that prevents who is used for protecting above -mentioned action bars on the inner wall of this guiding hole, and above -mentioned guider still includes the mounting, and this mounting prevents with the aforesaid that covering element fixes on the inner wall of guiding hole. Above -mentioned guider prevents with the aforesaid that covering element fixes on the inner wall of above -mentioned guiding hole owing to set up the mounting, easy operation, and simple to operate has reduced the fitting work volume, has improved assembly efficiency. The utility model discloses still disclose an insulator that has the action bars.

Description

Guider and the insulator with action bars

Technical field

This utility model relates to insulator arrangement field of transmitting electricity, specifically a kind of guider and with operation The insulator of bar.

Background technology

In transmission facility, the insulator assembly of the middle segment unit of such as chopper etc. generally includes a behaviour Making bar, this action bars is arranged on the inside of insulation tube, and can move on the parallel longitudinal direction of insulation tube Dynamic.In actual application, action bars, when moving up and down, is susceptible to bending or trembles.For Avoid above-mentioned situation, be generally internally provided with guider at insulation tube.For protection action bars, lead Protector typically it is additionally provided with in device.

The patent guider of the applicant's in the past application and the insulator (patent No. with action bars CN201510553274.8), in, the inwall of guider pilot hole arranges guard ring protection action bars, Guard ring typically uses hard wear-resistant material to make and forms interference fit with pilot hole, and this allows in peace During dress, operating difficulties, inconvenience is installed, adds assembly work amount.

Utility model content

For the deficiencies in the prior art, one of the purpose of this utility model is to provide a kind of guider, This guider can be effectively prevented from action bars and bends when moving up and down or tremble, and pacifies Dress is convenient, simple to operate.

For realizing above-mentioned utility model purpose, the technological means that this utility model is used is as follows: a kind of Guider, for insulator, this insulator includes insulation tube, and this guider is fixed on this insulation Inside pipe, the central axial pilot hole that is provided with of this guider, axially arranged in above-mentioned insulation tube have Action bars, this action bars passes from above-mentioned pilot hole and can move axially, the inwall of above-mentioned pilot hole On be provided with the protector for protecting aforesaid operations bar, above-mentioned guider also includes fixture, should Above-mentioned protector is fixed on the inwall of above-mentioned pilot hole by fixture.

Above-mentioned guider, is fixed on above-mentioned protector in above-mentioned pilot hole owing to arranging fixture On wall, it is not necessary to use interference fit, protector is first installed during assembling, then uses fixture to be fixed , simple to operate, easy for installation, reduce assembly work amount, improve efficiency of assembling.

Preferably, setting table terrace in above-mentioned pilot hole, above-mentioned protector is fixed on by above-mentioned fixing piece On above-mentioned step surface.So can easily protector be placed in pilot hole, simple in construction.

Preferably, above-mentioned guider end face arranging groove, above-mentioned fixing piece is placed in this groove. So make also will not increase the overall dimensions of guider after arranging fixture.

Preferably, above-mentioned guider includes guide base, conversion of motion part, drives this conversion of motion Control piece that the most above-mentioned guide base of part moves axially and compress above-mentioned insulation for radially outward The inwall of pipe is with the press part being fixed in above-mentioned insulation tube by above-mentioned guider；Above-mentioned control piece is even It is connected on above-mentioned guide base；Moving axially of above-mentioned control piece can be converted into by above-mentioned conversion of motion part Moving radially of press part；Above-mentioned press part be positioned at above-mentioned conversion of motion part and above-mentioned guide base it Between.

So compress the inwall of insulation tube by press part thus be directed to device and be fixed in insulation tube. Press part is between conversion of motion part and guide base, namely press part is oppositely oriented pedestal and independently sets Put, press part can be made to arrange bigger with the contact area of insulation tube inwall, thus more firmly will Guider is fixed in insulation tube.By being fixed on this guider in insulation tube stage casing, moreover it is possible to have Effect prevents the problems such as action bars in this insulation tube trembles when moving axially.Of the present utility model lead Install simple to device, easily manufactured, reduce manufacturing cost.

Preferably, above-mentioned pilot hole includes main pilot hole and auxiliary pilot hole, and this main pilot hole is arranged on On above-mentioned guide base, above-mentioned auxiliary pilot hole is arranged on above-mentioned conversion of motion part, above-mentioned protector It is arranged on the inwall of above-mentioned main pilot hole or on the inwall of above-mentioned auxiliary pilot hole.So can enter one Step strengthens the guide effect of action bars.

Preferably, the outer wall of above-mentioned press part arranges projection.So can increase guider outer wall And the coefficient of friction between insulation tube inwall so that guider can more be securely fixed in insulation On inside pipe wall.

Preferably, the number at least two of above-mentioned press part, arrange between adjacent above-mentioned press part Gap.So can avoid when press part is moved radially outward, due to the feelings of some discontinuity The impact of condition, adjacent press part ends contact and produce interference.

Preferably, it is provided with between adjacent above-mentioned press part and prevents above-mentioned press part in installation process from falling The series connection part fallen.The press part so making split is difficult to be scattered when mounted, can carry out easily Install.

Preferably, above-mentioned series connection part uses flexible material to make.So it is easy between the press part of split Series connection and conveniently realize being moved radially outward of press part.

Preferably, above-mentioned press part is circular arc, and above-mentioned series connection part is for being arranged on above-mentioned press part one end In portion and outward extending strip arc convex, the other end of above-mentioned press part is arranged with above-mentioned The arc groove that strip arc convex coordinates.

Preferably, above-mentioned arc groove along described guider axially through setting, described strip arc In shape projection, the end away from described press part arranges radially prominent stop part, and described arc is recessed The end that groove communicates with the external world arranges stopper section.The press part of split so can be prevented further in peace It is scattered during dress.

Preferably, described guider is provided with axially through steam vent.It thus is avoided that due to absolutely Edge intraductal atmospheric pressure problem hinders moving up and down of action bars.

For the deficiencies in the prior art, the two of the purpose of this utility model are to provide a kind of with action bars Insulator, including insulation tube, axially arranged in this insulation tube have action bars, the most solid in this insulation tube Surely having guider, the central axial pilot hole that is provided with of this guider, aforesaid operations bar is from this guiding Passing in hole and can move axially, above-mentioned guider is guider provided by the utility model.

The above-mentioned insulator with action bars, by the fixture on above-mentioned guider, can facilitate Above-mentioned protector is arranged in above-mentioned pilot hole by ground so that this guider integral installation is convenient, behaviour Make simple, reduce assembly work amount, improve efficiency of assembling.

Accompanying drawing explanation

Fig. 1 is the schematic perspective view of the guider 100 of this utility model embodiment one；

Fig. 2 is the perspective exploded view of the guider 100 of this utility model embodiment one；

Fig. 3 is the generalized section along A-A of the guider 100 of this utility model embodiment one；

Fig. 4 is that the section with the insulator 400 of action bars 300 of this utility model embodiment one shows It is intended to；

Fig. 5 is the generalized section along B-B of the guider 100 of this utility model embodiment one；

Fig. 6 is the section signal arranging projection 144 on the press part 140 of this utility model embodiment one Figure；

Fig. 7 is the part arranging annular texture 145 on the press part 140 of this utility model embodiment one Generalized section；

Fig. 8 is the close-up schematic view of annular texture 145；

Fig. 9 is the signal that the guider of this utility model embodiment two arranges two press parts 240 Figure；

Figure 10 is between adjacent two press parts 240 of the guider of this utility model embodiment two The schematic diagram of series connection part 245 is set；

Figure 11 is between adjacent two press parts 340 of the guider of this utility model embodiment three The schematic diagram of series connection part 345 is set；

Figure 12 be the strip arc convex end of this utility model embodiment three be the signal of arc-shaped Figure；

Figure 13 is showing of the strip arc convex end triangular shape of this utility model embodiment three It is intended to；

Figure 14 be the strip arc convex end of this utility model embodiment three be polygon-shaped showing It is intended to；

Figure 15 is between adjacent two press parts 440 of the guider of this utility model embodiment four The schematic diagram of series connection part 445 is set；

Figure 16 is the schematic diagram that stop part 448 is cuboid of this utility model embodiment four；

Figure 17 is the schematic diagram that stop part 448 is triangular prism of this utility model embodiment four；

Figure 18 is the schematic diagram that stop part 448 is semicolumn of this utility model embodiment four；

Figure 19 be the stop part 448 of this utility model embodiment four be pentagonal prism for cross section Schematic diagram；

Figure 20 is that on the guider 500 of this utility model embodiment five, protector 512 is arranged on master Generalized section on the inwall of pilot hole 513；

Figure 21 is protector 512 and fixture on the guider 500 of this utility model embodiment five 550 generalized sections being wholely set；

Figure 22 is the schematic diagram of the guider 600 of this utility model embodiment six；

Figure 23 is the partial cutaway schematic of the guider 600 of this utility model embodiment six.

Detailed description of the invention

As requested, detailed description of the invention of the present utility model will be disclosed here.It is, however, to be understood that , embodiments disclosed herein is only exemplary of the present utility model, and it can body It it is now various forms.Therefore, the detail disclosed here is not to be considered as limiting, and only It it is the basis as claim and as instructing those skilled in the art with any in reality Appropriate mode differently applies representational basis of the present utility model, described herein including using Various features and combine be likely not to have the feature clearly disclosed here.

Embodiment one:

As Figure 1-Figure 4, the guider 100 of this utility model first embodiment, it is used for insulating Son 400, insulator 400 includes that insulation tube 200, guider 100 are fixed in insulation tube 200 Portion, the central axial pilot hole 111 that is provided with of guider 100, axially arranged in insulation tube 200 Having action bars 300, action bars 300 passes from pilot hole 111 and can move axially, wherein, and axle To namely figure in above-below direction.It is provided with on the inwall of pilot hole 111 for protecting action bars 300 Protector 112, guider 100 also includes fixture 150, and fixture 150 is by protector 112 It is fixed on the inwall of pilot hole 111.

Seeing Fig. 1-Fig. 3, guider 100 uses the metal materials such as aluminum to make, including guide base 110, control piece 120, conversion of motion part 130, press part 140 and fixture 150.Pilot hole 111 Including main pilot hole 113 and auxiliary pilot hole 114, main pilot hole 113 is arranged on guide base 110 On, auxiliary pilot hole 114 is arranged on conversion of motion part 130.Control piece 120 is connected to guide base On seat 110, and drive conversion of motion part 130 to be oppositely oriented pedestal 110 to move axially；Press part 140 The inwall that can radially outward compress insulation tube 200 is fixed in insulation tube 200 to be directed to device 100, Press part 140 is between conversion of motion part 130 and guide base 110.

In the present embodiment, protector 112 is arranged on the inwall of auxiliary pilot hole 114.Specifically, Protector 112 is annular guard ring, uses the abrasion-proof insulating materials such as politef to make, annular The endoporus of guard ring passes for action bars 300, and the diameter of endoporus adapts with the diameter of action bars 300, Its effect is that protection action bars 300 does not directly contact with conversion of motion part 130.Auxiliary pilot hole 114 Being a stepped hole, the bigger part in its aperture is first step hole 115, and the less part in its aperture is Second step hole 116, forms step surface 117 between first step hole 115 and second step hole 116, Protector 112 is placed on step surface 117.The diameter in first step hole 115 and protector 112 External diameter adapts, and the diameter in second step hole 116 is less than the external diameter of protector 112 but more than protector The diameter of 112 endoporus, so can be arranged on auxiliary pilot hole 114 easily by protector 112 On inwall.Obviously, this utility model is not limited to this, and the diameter in first step hole 115 also can be bigger In the external diameter of protector 112, as long as protector 112 can be placed on step surface 117.

Seeing Fig. 2 and Fig. 3, in the present embodiment, conversion of motion part 130 arranges groove on upper surface 131, fixture 150 is placed in groove 131 and is fixed on step surface 117 by protector 112. Specifically, fixture 150 is in annulus tabular, and the endoporus of annulus passes for action bars 300, endoporus Diameter is less than the external diameter of protector 112 but is more than the diameter of protector 112 endoporus.Groove 131 is circle Connected in star, all height with fixture 150 adapt its height with external diameter with external diameter.So can be square Just after being placed on step surface 117 by protector 112, then fixture 150 is placed in groove 131 In compress and fixed protection part 112.Obviously, this utility model is not limited to this, conversion of motion part 130 Groove 131 can also be not provided with on upper surface, but directly fixture 150 is placed in conversion of motion part On the upper surface of 130.

See Fig. 1-Fig. 3, in the present embodiment, guide base 110 in circular, main pilot hole 113 Endoporus for annulus.Guide base 110 is positioned at insulation tube 200.For the ease of assembling, guide base The exradius of seat 110 is slightly less than the inwall radius of insulation tube 200.It addition, main pilot hole 113 Diameter is also slightly larger than the diameter of action bars 300, is so more beneficial for action bars 300 and moves up and down.

In the present embodiment, control piece 120 includes pressing down section 121 and is connected to pressing down section 121 He Connecting portion 122 between guide base 110.Conversion of motion part 130 and press part 140 are pressed under being positioned at Between portion 121 and guide base 110.

Specifically, connecting portion 122 and guide base 110 are threaded.In the present embodiment, even Meet portion 122 and be provided with screw thread near one end of guide base 110, guide base 110 is provided with and spiral shell The screwed hole 118 that stricture of vagina coordinates.When tary control member 120, connecting portion 122 is oppositely oriented pedestal 110 Axially downward, pressing down section 121 also moves axially downwards under the drive of connecting portion 122.

Specifically, pressing down section 121 is positioned at control piece 120 one end away from guide base 110, presses down Portion 121 is vertically arranged with connecting portion 122.In the present embodiment, control piece 120 be two around leading To the symmetrically arranged bolt in hole 111, pressing down section 121 is the head of bolt, and connecting portion 122 is bolt Threaded shank.Obviously, this utility model is not limited to this, and control piece 120 can also be three or more Multiple bolts.Or, control piece 120 is not limited to above-mentioned form, it is also possible to be a hollow spiral shell Bolt, the centre bore of hollow bolt is available for action bars 300 and passes and move axially.Connecting portion 122 and leading Connection to pedestal 110 is also not limited to threaded, it would however also be possible to employ other modes connect.

In the present embodiment, the effect of conversion of motion part 130 is moving axially of pressing down section 121 to be turned Turn to moving radially of press part 140.Two through holes 132 are set on conversion of motion part 130, connect Threaded through through hole 132 with guide base 110 in portion 122.Guider 100 so can be made each Between parts the tightst.Obviously, this utility model is not limited to this, conversion of motion part 130 On also can be not provided with through hole 132, connecting portion 122 is positioned at conversion of motion part 130 near action bars 300 Side outside, the most also can ensure that connecting portion 122 is connected with guide base 110.

In the present embodiment, the sidewall of conversion of motion part 130 has the first conversion of motion face 133, right Ying Di, the sidewall at press part 140 has the second conversion of motion coordinated with the first conversion of motion face 133 Face 142.Wherein, the first conversion of motion face 133 is inclined-plane or taper seat.Accordingly, the second motion turns Change face 142 is inclined-plane or taper seat.Certainly, this utility model is not limited thereto, it is also possible to be oblique Face coordinates with inclined-plane, or taper seat and taper seat coordinate, it is also possible to be that inclined-plane coordinates with taper seat.

Specifically, conversion of motion part 130 is ring-type in round platform, and the endoporus of round platform ring forms auxiliary pilot hole 114, the side of round platform ring, namely taper seat forms the first conversion of motion face 133.Through hole 132 is arranged on Auxiliary pilot hole 114 is around.Two through holes corresponding with through hole 132 it are also provided with on fixture 150 151, connecting portion 122 initially passes through through hole 151, is then passed through through hole 132 with guide base 110 screw thread even Connect, thus protector 112 is fixed on step surface 117.The upper surface of fixture 150 with under press Portion 121 abuts against.In the present embodiment, for preventing control piece 120 in the course of the work from occurring to loosen And affect the guide effect of guider 100, it is additionally provided with for locking spring shim 160.Tool Body ground, spring shim 160 is arranged between pressing down section 121 and fixture 150, uses disk spring Pad.

Accordingly, the second conversion of motion face 142 of press part 140 is also taper seat.In the present embodiment, Taper seat is the medial surface of press part 140.Certainly, this utility model is not limited thereto, and motion turns Change part 130 and be not limited to one, it is also possible to split is arranged, if the number of split and control piece 120 Number corresponding.Such as, round platform ring is hollowed out away from the part of control piece 120, only retain control piece Part near 120.

In the present embodiment, in order to increase the contact area of press part 140 and insulation tube 200 inwall, support The lateral surface of casting die 140 is arranged to the face of cylinder 141 mated with the inwall of insulation tube 200.Specifically, The number of press part 140 is one, and press part 140 is ring-type in round platform, and lateral surface is the face of cylinder 141, Medial surface is the second conversion of motion face 142, and sidewall arranges gap 143 so that press part 140 can be Radially mobile expansion.Certainly, lateral surface is not limited to the face of cylinder, it is also possible to be the conical surface or irregular Shape outer surface, is fixed on absolutely as long as device 100 can be pressed on the inwall of insulation tube 200 and be directed to In edge pipe 200.

Seeing Fig. 1-Fig. 2 and Fig. 5, in Fig. 5, control piece 120 is not shown.In the present embodiment, Be provided with on guider 100 axially through steam vent 170.Specifically, the number of steam vent 170 It is two, two through holes 119 are set at guide base 110, on conversion of motion part 130 relevant position Arranging two through holes 134, on fixture 150, relevant position arranges two through holes 152, makes when assembling Through hole 119, through hole 134, through hole 152 form through steam vent 170 in the axial direction.Certainly, aerofluxus The number in hole 170 is not limited to two, it is also possible to be one or three or more, as long as not affecting The guide function of guider 100.

See Fig. 6, in the present embodiment, the outer wall of press part 140 arranges at least one projection 144. Specifically, protruding 144 is round point shape, it is clear that can also be strip, other shapes such as irregular. Friction between protruding 144 inwalls that can increase guider 100 outer wall and insulation tube 200 is set Coefficient so that guider 100 can more be securely fixed on the inwall of insulation tube 200.When So, this utility model is not limited thereto, and sees Fig. 7 and Fig. 8, and this projection is it can also be provided that carve Annular texture 145 on the outer wall of press part 140, annular texture 145 by section be seen as upwards fall Thorn-like.

See Fig. 1, Fig. 2 and Fig. 4, the insulation with action bars 300 provided for this utility model Son 400, including insulation tube 200, axially arranged in insulation tube 200 have action bars 300, insulation tube Being further fixed on guider 100 in 200, guider 100 is central axial is provided with pilot hole 111, Action bars 300 passes from pilot hole 111 and can move axially.

Specifically, the installation process of guider 100 is as follows: first protector 112 is placed on platform On terrace 117, then fixture 150 is placed in groove 131, then press part 140 is placed in Between conversion of motion part 130 and guide base 110, finally with control piece 120 through through hole 151 He Through hole 132 is threadeded with guide base 110.

Specifically, the fixation procedure of guider 100 is as follows: is first directed to device 100 and is placed in absolutely Between edge pipe 200 and action bars 300, then screw control piece 120, in the connection of control piece 120 Portion 122 is with under the effect threadeded of guide base 110, and connecting portion 122 moves axially downwards, Pressing down section 121 also moves axially downwards under the effect of connecting portion 122 simultaneously.Pressing down section 121 abuts In the upper surface of fixture 150, the lower surface of fixture 150 is connected to the upper of conversion of motion part 130 End face, thus conversion of motion part 130 is pressed axially downward by pressing down section 121.Conversion of motion part 130 First conversion face 133 contacts with the second conversion face 142 of press part 140, the following table of press part 140 Face is connected on guide base 110, press part 140 can not axial downward movement, at conversion of motion part Under the effect of 130, it is moved radially outwards on the inwall being pressed on insulation tube 200, thus is directed to Device 100 is fixed in insulation tube 200.

Above-mentioned guider 100, is fixed on pilot hole owing to arranging fixture 150 by protector 112 On the inwall of 111, it is not necessary to use interference fit, protector 112 is first installed during assembling, then uses solid Locking member 150 is fixed, simple to operate, easy for installation, reduces assembly work amount, improves Efficiency of assembling.

Embodiment two:

The guider of this utility model the second embodiment is essentially identical with first embodiment, real with first Execute unlike example, as it is shown in figure 9, the number of press part 240 is two, adjacent press part 240 Between gap 243 is set.This way it is possible to avoid when press part 240 is moved radially outward, due to The impact of the situation of some discontinuity, adjacent press part 240 ends contact and produce interference. It is of course also possible to be not provided with gap 243, owing to two press parts 240 are that split is arranged, one In the case of as, press part 240 is when being moved radially outward, and adjacent press part 240 is natural can be separated, Produce gap.Certainly, the number of press part 240 is also not limited to two, it is also possible to be three, four Individual the most.

See Figure 10, in the present embodiment, be provided with between adjacent press part 240 and prevent from installing The series connection part 245 that in journey, press part 240 drops.Owing to two press parts 240 are that split is arranged, Rock or stress due to operation when installation and guide device, easily make press part 240 from guiding base Drop on Zuo, be not easy to the Fast Installation of guider.Arrange series connection part 245 just can solve easily This problem.

Specifically, series connection part 245 uses flexible material to make, as used glass fibre yarn, common cloth etc., As long as adjacent press part 240 can be together in series, do not hinder the normal operation of guider i.e. simultaneously Can.In the present embodiment, press part 240 both ends sidewall is respectively provided with two suspension ring 246, string The suspension ring 246 that connection part 245 is each passed through on adjacent two press parts 240 link together, thus will Adjacent press part 240 is together in series.Series connection part 245 joint can use knotting or glued joint Mode connects.The length of series connection part 245 is not to hinder press part 240 to move radially and support It is pressed on insulation tube inwall and is as the criterion.Certainly, this utility model is not limited thereto, and suspension ring 246 are permissible It is arranged on the optional position on press part 240 end sidewalls or medial surface or lateral surface, as long as It is capable of the series connection of adjacent press part 240.It is obvious also possible to be not provided with suspension ring 246, And the two ends of series connection part 245 are sticked with glue respectively and is connected on adjacent press part 240.

Embodiment three:

Guider and second embodiment of this utility model the 3rd embodiment are essentially identical, real with second Executing unlike example, as shown in figure 11, press part 340 is in circular arc, and series connection part 345 is for arranging On press part 340 one end and outward extending strip arc convex, another of press part 340 The arc groove 347 matched with strip arc convex is set on end.

See Figure 11, figure schematically shows series connection part 345 and the structure of arc groove 347.Tool Body ground, series connection part 345 is one-body molded with press part 340, can be arranged on press part 340 end axis Optional position upwards, the most through setting of arc groove 347, the width of arc groove 347 with Length is all higher than width and the length of series connection part 345.During series connection, by two adjacent press parts 340 Close, series connection part 345 is inserted in the arc groove 347 of correspondence, adjacent press part can be realized Series connection between 340.When press part 340 is moved radially outwards, series connection part 345 is therewith from arc Connected in star 347 exits.

Certainly, this utility model is not limited to this, and arc groove 347 can not also the most through set Put, but be only arranged as housing the groove of series connection part 345, if arc groove 347 and string Connection part 345 can coordinate and can realize insertion between the two smoothly and separate.Series connection part 345 Also then series connection part 345 can be welded on press part 340 with press part 340 split molding.Or Person's part 345 of connecting can also use other materials, glues after using the material molding such as plastics, resin again It is connected on press part 340.

Seeing Figure 11, in the present embodiment, series connection part 345 is strip arc convex, with press part 340 with one heart, and its diameter adapts with the diameter of press part 340, its arc length can realize smoothly and The insertion of arc groove 347 is as the criterion with separating.Series connection part 345 is light away from the end of press part 340 Sliding plane, it is clear that this utility model is not limited to this, sees Figure 12-Figure 14, and its end can also For arc-shaped, triangle or other shapes such as polygon-shaped.

Embodiment four:

Guider and the 3rd embodiment of this utility model the 4th embodiment are essentially identical, real with the 3rd Execute unlike example, as shown in figure 15, series connection part 445 be strip arc convex, on it away from The end of press part 440 arranges radially prominent stop part 448, and arc groove 447 is with extraneous The end communicated arranges stopper section 449.So can avoid the completely out arc groove of part 445 of connecting 447, press part 440 can be prevented further to be scattered when mounted.

Specifically, stop part 448 is the ball extended from strip arc convex end, ball Diameter be slightly less than the width of arc groove 447.Stopper section 449 is that arc groove 447 end is arranged Along press part 440 in the radial direction to groove center extend two raised, between two projections The strip arc convex that gap is available for connecting on part 445 passes.So, when press part 440 is along footpath In time being displaced outwardly, stopper section 449 prevents adjacent two press part 440 with stop part 448 cooperation It is kept completely separate, thus prevents press part 440 to be scattered when mounted.

Certainly, this utility model is not limited to this, sees Figure 16-Figure 19, and stop part 448 can also It is pentagonal prism for cuboid, triangular prism, semicolumn or cross section, or is that other cross sections are Polygonal prism etc..

Embodiment five:

The guider 500 of this utility model the 5th embodiment is essentially identical with first embodiment, with Unlike one embodiment, as shown in figure 20, protector 512 is arranged on the interior of main pilot hole 513 On wall.Fixture 550 is arranged between press part 540 and guide base 510.

Specifically, similar to first embodiment, protector 512 is placed on step surface 517, fixing The lower surface of part 550 is pressed on the upper surface of protector 512, and the bottom surface of press part 540 compresses On the upper surface of fixture 550, thus protector 512 is fixed on the inwall of main pilot hole 513 On.

Obviously, this utility model is not limited to this, it is also possible at main pilot hole 513 and auxiliary pilot hole It is provided with protector on the inwall of 514.Fixture 550 can also be split, as will be far from control The part of product 520 hollows out, and only retains the part near control piece 520, as long as can fix anti- Guard 512.Or seeing Figure 21, protector 512 is wholely set with fixture 550, all adopts Make with abrasion-proof insulating material, be directly anchored to assist on the inwall of pilot hole 514.

Embodiment six:

The guider 600 of this utility model sixth embodiment is essentially identical with first embodiment, with Unlike one embodiment, as shown in Figure 22 and Figure 23, guider 600 is not provided with axially passing through Logical steam vent, but axially arranged with gap 643 size phase on conversion of motion part 630 outer wall respectively The through slot 634 adapted to, axially arranged on guide base 610 outer wall adapts with gap 643 size Through slot 619.When assembling guider 600 so that through slot 634, gap 643 and through slot 619 are located axially on same bus, thus are upwardly formed the row of up/down perforation at guider 600 axle Air drain.

Technology contents of the present utility model and technical characterstic have revealed that as above, it being understood, however, that at this Under the creative ideas of utility model, said structure and material can be made various by those skilled in the art Changes and improvements, including the combination of the technical characteristic individually disclosing here or claiming, it will be apparent that bag Include other combination of these features.These deformation and/or combination each fall within the skill involved by this utility model In art field, and fall into this utility model scope of the claims.

Claims (13)

1. a guider, for insulator, described insulator includes insulation tube, and described guider is solid Inside described insulation tube, the central axial pilot hole that is provided with of described guider, described absolutely Edge inner axial tube is provided with action bars, and described action bars passes from described pilot hole and can axially move It is dynamic, it is characterised in that: it is provided with on the inwall of described pilot hole for protecting the anti-of described action bars Guard, described guider also includes that described protector is fixed on institute by fixture, described fixture State on the inwall of pilot hole.

2. guider as claimed in claim 1, it is characterised in that: setting table terrace in described pilot hole, Described protector is fixed on described step surface by described fixture.

3. guider as claimed in claim 1, it is characterised in that: arrange on described guider end face Groove, described fixture is placed in described groove.

4. guider as claimed in claim 1, it is characterised in that: described guider includes guiding base Seat, conversion of motion part, drive the control that the described the most described guide base of conversion of motion part moves axially Product and for radially outward compressing the inwall of described insulation tube to be fixed by described guider Press part in described insulation tube；Described control piece is connected on described guide base；Described fortune Moving axially of described control piece can be converted into moving radially of press part by dynamic conversion member；Described support Casting die is between described conversion of motion part and described guide base.

5. guider as claimed in claim 4, it is characterised in that: described pilot hole includes main pilot hole With auxiliary pilot hole, described main pilot hole is arranged on described guide base, described auxiliary pilot hole Be arranged on described conversion of motion part, described protector be arranged on the inwall of described main pilot hole or On the inwall of described auxiliary pilot hole.

6. guider as claimed in claim 4, it is characterised in that: arrange on the outer wall of described press part At least one is protruding.

7. guider as claimed in claim 4, it is characterised in that: the number of described press part is at least Two, between adjacent described press part, gap is set.

8. guider as claimed in claim 7, it is characterised in that: set between adjacent described press part It is equipped with the series connection part preventing press part described in installation process from dropping.

9. guider as claimed in claim 8, it is characterised in that: described series connection part uses flexible material Make.

10. guider as claimed in claim 8, it is characterised in that: described press part is circular arc, institute State series connection part for being arranged on described press part one end and outward extending strip arc convex, The arc groove coordinated with described strip arc convex is set on the other end of described press part.

11. guiders as claimed in claim 10, it is characterised in that: described arc groove is led described in edge To device axially through setting, on described strip arc convex, the end away from described press part sets Putting radially prominent stop part, the end that described arc groove communicates with the external world arranges backstop Portion.

12. guiders as claimed in claim 1, it is characterised in that: it is provided with axle on described guider To through steam vent.

13. 1 kinds of insulators with action bars, including insulation tube, axially arranged in described insulation tube have operation Bar, is further fixed on guider in described insulation tube, central axial being provided with of described guider is led Xiang Kong, described action bars passes from described pilot hole and can move axially, it is characterised in that: institute Stating guider is the guider described in claim 1-12 any one.