CN202118062U - Fixing device - Google Patents

Abstract

The utility model provides a fixing device. A penetrating space which is used for enabling a locking element to penetrate through is formed in a sleeve. A locating part with an opening is formed on the other side of an annular protruding part outside the sleeve, and a rod body of the head part of the locking element extending outwards is provided with a spiral connecting part capable of penetrating out of the sleeve from the opening portion. An elastic element is sleeved on the rod body, and an abutting part capable of being arranged on the annular protruding part in retaining mode is arranged at the opening position of the sleeve arranged on a head portion in combining mode. When a locating clamping hole in a silica gel annular body is sleeved on the thread connecting part of the locking element, a limiting part arranged on one side of the locating clamping hole can block a presetting position at the periphery of the opening of the locating part, thereby keeping an integral gravity center stable, enabling welding between the locating part and sheet materials to be more accurate, and achieving the aims of improving yield rate and quality of products and further lowering cost.

Description

Fixing device

Technical field

The utility model provides a kind of fixing device; Outstanding fingerstall tube is inner places the space and can supply lock member to penetrate; And be formed with the positioning part in the sleeve outside; But the opening peripheral region presets the silica gel ring body of location in the positioning part and be socketed with block on the spiro union portion of lock member, and reaches the effectiveness that improves quality bills of materials and yield.

Background technique

General panel (plate is to plate) is when making up; Utilization possesses knob is arranged, the set screw of the collar and screw is given interlocking; It is that screw, the collar are fixed on first panel, and turn makes screw lock to form in second panel and preset the location in knob, utilize hand tools with screw lock again after; First panel and the second panel interlocking are fixed into are one, and can be used on the sheet material that machine tool or other plate connect plate and use.

Moreover; Just develop the floating screw that this kind is made up of cap bag, screw rod and positioning seat by the dealer; After earlier being fixed in the positioning seat button of floating screw in the perforation of sheet material; It is fixing to utilize screw rod to come interlocking on another sheet material, to form again, and when the user unloads sheet material, and floating screw still can be fixed in the perforation of sheet material through positioning seat can not cause loss because of the user neglects.

See also shown in Figure 10; Side cutaway view for existing fixing device; Find out that by knowing among the figure existing fixing device is assembled with lock-connecting piece B in sleeve A, and sleeve A outer cover is provided with elastomer A1; And be held in the backstop bulge loop A2 on the sleeve A with elastomer A1 one side; The opposite side of elastomer A1 then is held in the inboard place of cap head B1 of lock-connecting piece B institute tool, and the screw rod B2 that again cap head B1 one side of lock-connecting piece B is extended penetrates the inner formed containing space A0 in sleeve A, just can rely on backstop A3 block that sleeve A establishes in the inboard place of containing space A0 between the screw rod B2 and sleeve A of lock-connecting piece B; And the screw rod B2 that makes lock-connecting piece B passes the containing space A0 outside of sleeve A; Lock in screw rod B2 again and be connected to a nut C, can be located on the sheet material D through the welding section A4 weldering that sleeve A is positioned at backstop bulge loop A2 bottom, and utilize lock-connecting piece B to come interlocking after another cooperates on sheet material, to be combined into one.

When though this kind mode can avoid sleeve A weldering to be located on the sheet material D; Because the situation that the gap between sleeve A and the lock-connecting piece B produces skew or rocks; To prevent lock-connecting piece B interlocking collides the perforation (not shown) on sheet material D and derived on another cooperates sheet material wearing and tearing, to collapse problem such as tooth; And be difficult for causing structural damage of sheet material D and destruction; Yet this sleeve A is incorporated into when carrying out weld job on the sheet material D, and its soldering-tin layer can be infiltrated in nut C place with micro-gap between the perforation because of adding through the tin stove behind the hot melt tin along sleeve A, so that the situation through easy formation obstruction or blocking behind the tin stove; The operating personnel when utilizing instrument that nut C is dismantled on lock-connecting piece B, just can be produced skids or wear phenomenon; Cause nut the C inconvenience and difficulty in when dismounting, whole spent man-hour and cost also raising relatively, design effectively again and solve and remain to be engaged in this journey dealer.

Summary of the invention

So; The designer of the utility model is because problem and the disappearance that existing fixing device is used; Collect related data via assessing in many ways and consider, and utilize the research and development experience for many years of engaging in the industry constantly to study and revise, the model utility that the beginning is designed this kind fixing device is born.

The main purpose of the utility model is that the inner standing block hole of silica gel ring body is for can be socketed on the spiro union portion of lock member; And rely on the opening peripheral region of limited part block in the positioning part at place, sleeve below at standing block hole one side place to preset the location or deviate to form separated state; Can limit the spiro union portion length travel of lock member through the silica gel ring body; Outer sleeve and the predetermined spacing between the sleeve outer surface to prevent to combine on the head because of lock member are caused it to produce the situation that squints or rock; Make whole center of gravity keep stable; Can be more accurate when being beneficial to positioning part and the conjugate foramen on the sheet material welding of sleeve, and reach the location really, improve quality bills of materials and yield and the effectiveness that reduces production costs.

The secondary objective of the utility model is that the silica gel ring body is to be socketed on the spiro union portion of lock member; And make the external diameter after the silica gel ring body socket distortion be positioning part external diameter less than sleeve; This kind do not need when cooperating assembling very precisely get final product ease of assembly; And the opening place of infiltrating the positioning part because of scolder in the process that can prevent to weld through the silica gel ring body produces lock member and forms and block or the situation of blocking takes place, and improves the positioning part of sleeve and the weld strength of the conjugate foramen integral body of sheet material.

Another purpose of the utility model is that the silica gel ring body is when dismounting; The silica gel ring body that only need upwards spur socket on lock member and interlock spiro union portion forms with the positioning part of sleeve and separates; After being released to lock member again; Just can make the spiro union portion of lock member be retracted into placing in the space of sleeve through the elastic reset power of elastic element institute tool, and the limited part block that drives the silica gel ring body is in the suffered reaction force of the opening peripheral region of positioning part, and the spiro union portion that makes the silica gel ring body emerge in lock member form separated state; Can the silica gel ring body be made fast quick-detach and more laborsaving thus, and have the easy effect of operation.

For reaching above-mentioned purpose, the utility model provides a kind of fixing device, includes sleeve, lock member, outer sleeve and silica gel ring body, wherein:

This sleeve inner is the one side place, space that places that connects shape and is provided with spacing hole, and the opposite side place away from spacing hole is formed with the positioning part with opening in the sleeve outside;

The head that this lock member had extends outwardly and can penetrate the shaft of activity displacement in sleeve places the space; And shaft is provided with and can be piercing in the outside spiro union portion of sleeve by opening away from the opposite side place of head, and is provided with the elastic element that is positioned between head and spacing hole in the shaft outer cover;

This outer sleeve is incorporated on the head of lock member, and is formed with the containing space that can accommodate sleeve and lock member in outer sleeve inside;

This silica gel ring body inside has can be socketed on the standing block hole that presets the location on the lock member spiro union portion or deviate to form separated state; And be provided with in standing block hole one side place can block in the limited part of the opening peripheral region of sleeve positioning part, and the external diameter after the socket of silica gel ring body is less than the positioning part external diameter of sleeve.

Described fixing device; Wherein, The place, spacing hole bottom side of this sleeve is formed with and is the supporting surface of tiltedly stretching shape; And lock member is positioned at the adjacent position of shaft and head joint and is provided with the holding section, and outside sheathed elastic element one side of shaft is held on the supporting surface of spacing hole, and the elastic element opposite side is socketed on the holding section of shaft and is elastic deformation.

Described fixing device, wherein, this sleeve outside is provided with the ring protuberance near the spacing hole place, and outer sleeve is positioned at containing space and inwards is extended with at least one can block forms the block location on the ring protuberance resisting part away from the opposite side opening of head.

Described fixing device; Wherein, This sleeve outside is provided with the ring protuberance near place, spacing hole top; And the opposite side below place away from the ring protuberance is formed with the positioning part that can combine with the conjugate foramen on the preset sheet material, and the falope ring body diameter of socket and makes the falope ring body can pass and be arranged in conjugate foramen less than the internal diameter of the conjugate foramen of presetting sheet material on the spiro union portion of lock member.

Described fixing device; Wherein, The opening peripheral region that this sleeve is positioned at the positioning part is formed with the interface that can combine with conjugate foramen on the preset sheet material outwardly, and interface is a smooth shape or stepped, and the spiro union portion of lock member passes the sleeve outside; And interlocking becomes one after making preset sheet material and cooperating the sheet material interlocking fixing in the preset lockhole that cooperates on the sheet material.

Described fixing device; Wherein, The place, spacing hole bottom side of this sleeve is formed with a supported terminal part; And the shaft of lock member and head joint are provided with bump, and bump can ejection make its stress deformation, aperture dwindle on the supported terminal part, and make the supported terminal part block on the spiro union portion at place, lock member below and present the activity mated condition.

Described fixing device; Wherein, The head top surface place of this lock member is provided with the actuating part, and head is positioned at outboard peripheries place, actuating part and is provided with fixed part, and on fixed part, is combined with outer sleeve; And outer sleeve inside is formed with the containing space that can accommodate sleeve and lock member, and is provided with turn portion in the outer sleeve outside.

Described fixing device, wherein, place, standing block hole one side wall surface of this silica gel ring body top is provided with limited part, and makes the opening peripheral region of limited part block in the positioning part of sleeve, does length travel in order to the spiro union portion of restriction lock member.

Described fixing device, wherein, the standing block hole internal diameter of this silica gel ring body is less than the external diameter of the spiro union portion of lock member, and the spiro union portion of lock member is forced in standing block hole, preset the location.

Description of drawings

Fig. 1 is the stereo appearance figure of the utility model;

Fig. 2 is the three-dimensional exploded view of the utility model;

Fig. 3 is the three-dimensional exploded view before the butt joint of the utility model silica gel ring body;

Fig. 4 uses preceding side cutaway view for the utility model preferred embodiment;

Side cutaway view when Fig. 5 uses for the utility model preferred embodiment;

Fig. 6 is the side cutaway view of the utility model preferred embodiment after disassembling;

Fig. 7 is the side cutaway view before another preferred embodiment of the utility model is used;

Fig. 8 is the side cutaway view after another preferred embodiment of the utility model is used;

Fig. 9 is the utility model side cutaway view of a preferred embodiment again;

Figure 10 is the side cutaway view of existing fixing device.

Description of reference numerals: 1-sleeve; 10-places the space; The 11-spacing hole; The 111-supporting surface; The 112-supported terminal part; 12-encircles protuberance; The 13-positioning part; The 131-opening; The 132-interface; The 2-lock member; The 21-head; The 211-actuating part; The 212-fixed part; The 22-shaft; The 221-holding section; The 222-bump; The 23-spiro union portion; The 24-elastic element; The 3-outer sleeve; The 30-containing space; The 301-locating slot; The 31-resisting part; 32-turn portion; 4-silica gel ring body; The 41-standing block hole; The 411-wall; The 42-limited part; The 5-suction means; The 51-suction nozzle; 6-sheet material; The 61-conjugate foramen; The 62-scolder; 7-cooperates sheet material; The 71-lockhole; The A-sleeve; The A0-containing space; The A1-elastomer; A2-backstop bulge loop; The A3-backstop; The A4-welding section; The B-lock-connecting piece; B1-cap head; The B2-screw rod; The C-nut; D-sheet material.

Embodiment

For reaching above-mentioned purpose and effect, technological means that the utility model adopted and structure thereof are drawn now and are explained in detail that with regard to the preferred embodiment of the utility model its structure is following with function, in order to understanding fully.

See also Fig. 1, Fig. 2, Fig. 3, shown in Figure 4; Preceding side cutaway view is used in preceding three-dimensional exploded view and the preferred embodiment of stereo appearance figure, three-dimensional exploded view, the butt joint of silica gel ring body that is respectively the utility model; Find out by knowing among the figure; The utility model includes sleeve 1, lock member 2, outer sleeve 3 and silica gel ring body 4, thus with regard to the main member of the utility model and characteristic details as after, wherein:

This sleeve 1 inside be formed be connect shape place space 10; And be provided with spacing hole 11 in placing 10 1 side places, space; And place, spacing hole 11 bottom sides is formed with and is the supporting surface 111 of tiltedly stretching shape; And sleeve 1 outside is provided with ring protuberance 12 near spacing hole 11 tops places, and is formed with the positioning part 13 of tool opening 131 away from the place, opposite side below of ring protuberance 12, and is formed with flat or stair-stepping interface 132 outwardly in opening 131 peripheral regions.

This lock member 2 has a head 21; And be provided with the actuating part 211 that can be various types (like cross, rice word groove or hexagon projection etc.) in head 21 end face places; And head 21 is positioned at 211 outboard peripheries places, actuating part and is provided with the fixed part 212 that can be hangnail, grinding tooth or taper pattern; And the shaft 22 that head 21 extends outwardly and can penetrate activity displacement in placing space 10 away from the opposite side bottom surface centre of actuating part 211; And be provided with holding section 221, and be provided with and be piercing in the outside spiro union portion 23 of sleeve 1 by opening 131 places away from the place, opposite side below of holding section 221 in the adjacent position of shaft 22 and head 21 joints; In addition, shaft 22 outer cover are provided with the elastic element 24 that is positioned at 11 of head 21 and spacing holes.

These outer sleeve 3 inside are formed with the containing space 30 that can accommodate sleeve 1 and lock member 2; And be provided with the locating slot 301 that can combine in containing space 30 1 side wall surface places with the fixed part 212 on the head 21; But and, be provided with a turn portion 32 in outer sleeve 3 outsides again away from the resisting part 31 that the opposite side lower opening place of locating slot 301 inwards is extended with at least one block formation block location on ring protuberance 12.

These silica gel ring body 4 inside have one and can be socketed on and preset the location on lock member 2 spiro union portions 23 or deviate to form the standing block hole 41 of separated state, but and are provided with the limited part 42 of block in opening 131 peripheral regions of sleeve 1 positioning part 13 in place, standing block hole 41 1 side wall surfaces 411 tops.

When the utility model in when assembling; Shaft 22 with lock member 2 penetrates placing in the space 10 in sleeve 1 earlier; And shaft 22 outside sheathed elastic element 24 1 sides are held on the supporting surface 111 at place, spacing hole 11 bottom sides; The opposite side of elastic element 24 then is socketed on the holding section 221 of shaft 22 or directly is held on head 21 bottom surfaces and is elastic deformation; Again outer sleeve 3 is socketed on sleeve 1 outside from bottom to top, and after treating the positioning part 13 of resisting part 31 through place, sleeve 1 below at outer sleeve 3 lower opening places, can sleeve 1 be contained in the containing space 30 of outer sleeve 3; And be combined into one with the fixed part 212 of the locating slot at containing space 30 1 side wall surface places 301 with lock member 2 heads 21 outboard peripheries places; At this moment, just can rely on elastic element 24 come elasticity to support to arrive in place, head 21 bottom surfaces, and resisting part 31 blocks of interlock outer sleeve 3 are on the ring protuberance 12 of sleeve 1 and form the effect of block location in lock member 2; Make between sleeve 1, lock member 2 and outer sleeve 3 threes to present the activity mated condition, be able to effectively prevent that lock member 2 from receiving the external force influence and emerging in outside the sleeve 1.

Then just can silica gel ring body 4 be socketed on the spiro union portion 23 of lock member 2 from bottom to top; And because of standing block hole 41 internal diameters of silica gel ring body 4 are the size less than spiro union portion 23 external diameters; Make stress deformation in the process of silica gel ring body 4 sockets, aperture become big; The spiro union portion 23 of lock member 2 can be forced into along wall 411 places of silica gel ring body 4 and in standing block hole 41, be a packing, presets positioning states; And the external diameter after this silica gel ring body 4 sockets distortion is less than positioning part 13 external diameters of sleeve 1; And limited part 42 blocks that rely on place, standing block hole 41 tops can limit spiro union portion 23 length travels of lock member 2 through silica gel ring body 4 in opening 131 peripheral regions of sleeve 1 positioning part 13, and when cooperating assembling, also do not need very accurate; And have simple and easy assembling, the certain effect in location, just accomplish the whole assembling of the utility model.

Moreover; It is made that above-mentioned lock member 2 can be aluminium, copper, zinc alloy or other metal material; And in the fixed part at head 21 outboard peripheries places 212 capable of usingly extrude, processing mode such as embossing or grinding molds roughened surface; Locating slot 301 inlay cards of its fixed part 212 and outer sleeve 3 are fixedly become one be merely a kind of preferable enforcement state; And the head 21 plastic overmold ejection formation also capable of using processing mode of this lock member 2 is one-body molded to have outer sleeve 3; And the limited part of silica gel ring body 4 42 be for being a smooth shape, stepped, ring convex or other equivalent structure, and it only need provide silica gel ring body 4 to have enough structural strengths, and silica gel ring body 4 is socketed on the spiro union portion 23 of lock member 2; And spiro union portion 23 length travels that opening 131 peripheral regions of block in sleeve 1 positioning part 13 limit lock member 2 get final product; Such as the simple and easy modification and the equivalent structure that use the utility model specification and graphic content to do change, and all should in like manner be contained in the claim of the utility model, close and give Chen Ming.

Please arrange in pairs or groups and consult Fig. 5, shown in Figure 6; Be respectively the utility model preferred embodiment when using side cutaway view and disassemble after side cutaway view; Find out by knowing among the figure; The utility model is after assembling, and suction means 5 capable of using (like vacuum chuck or aspirator etc.) has been got, and its mode of having got is to be adsorbed on the glued membrane that the head 21 end face places of lock member 2 paste by suction nozzle 51; And related sleeve 1 is moved the conjugate foramen 61 that is aligned with on the sheet material 6 after; Be released to the head 21 of lock member 2 again through suction nozzle 51, can the positioning part 13 of sleeve 1 be penetrated in conjugate foramen 61, and because of the external diameter of silica gel ring body 4 be size less than conjugate foramen 61 internal diameters of sheet material 6; Silica gel ring body 4 is passed and be arranged in conjugate foramen 61; And the smooth shape at 13 outer periphery places, positioning part or stepped interface 132 be held in around the conjugate foramen 61 brush on the scolder 62 that covers after, just can carry out the later welded operation, or can be via after zinc-plated; Positioning part 13 firm the welderings in the conjugate foramen 61 of being located at sheet material 6 of sleeve 1 are combined into one; Be socketed on the spiro union portion 23 of lock member 2 with this silica gel ring body 4 and block in the structural design of opening 131 peripheral regions of sleeve 1 positioning part 13, the situation that produces skew or rock because of the lock member that predetermined spacing causes between outer sleeve 3 and sleeve 1 outer surface 2 in the process that can prevent to weld makes the suction nozzle 51 of suction means 5 be adsorbed in lock member whole center of gravity maintenance of 2 last times and stablizes; More accurate when being beneficial to the positioning part 13 of sleeve 1 and carrying out weld job with conjugate foramen 61 on the sheet material 6, and after assembling, also can reach the location really, improve the quality made and yield and the effectiveness that reduces production costs.

Yet; Above-mentioned silica gel ring body 4 is socketed on and is packing location on the spiro union portion 23 of lock member 2; But this kind be ease of assembly not only; And rely on silica gel ring body 4 blocks to do length travel in the opening 131 peripheral regions restriction lock member 2 of sleeve 1 positioning part 13; And the spiro union portion 23 that produces lock member 2 because of opening 131 places of scolder 62 infiltration positioning parts 13 in the process that can prevent to weld through silica gel ring body 4 forms and blocks or the situation of blocking takes place, and whole combination force, weld strength during conjugate foramen 61 welding of the positioning part 13 of improving sleeve 1 and sheet material 6.

And after accomplishing with conjugate foramen 61 welding of sheet material 6 in the positioning part of sleeve 1 13; When if user's desire is dismantled silica gel ring body 4; Only need utilize finger upwards to spur head 21 places in lock member 2; Or push downwards with the actuating part 211 that hand tools (like screwdriver or spanner etc.) cooperates lock member 2 to be positioned at head 21 end face places; And the positioning part 13 of the spiro union portion 23 of the interlock lock member 2 silica gel ring body 4 of attending institute's socket and sleeve 1 forms and separates, and is released to the head 21 of lock member 2 again, at this moment; Just can make through the elastic reset power that elastic element 24 is had lock member 2 spiro union portion 23 activity displacements, be retracted into the placing in the space 10 of sleeve 1; And limited part 42 blocks that drive silica gel ring body 4 in the positioning part the suffered reaction force of 13 openings, 131 peripheral regions, and the spiro union portion 23 that makes silica gel ring body 4 emerge in lock member 2 forms separated states, can silica gel ring body 4 be made fast quick-detach and more laborsaving by this; With inconvenience in the reduction field-strip and difficulty, and has the easy effect of operation.

Please continue to consult Fig. 7, shown in Figure 8; Be respectively the side cutaway view after preceding side cutaway view and use are used in another preferred embodiment of the utility model; Find out by knowing among the figure; Relying on above-mentioned member when using, is earlier sheet material 6 to be cooperated on the sheet material 7 for being covered on, make lock member 2 be aligned with the lockhole 71 of 7 tools of cooperation sheet material after; At this moment; Just can push by manual mode, turn in the outside turn portion 32 of outer sleeve 3, and the spiro union portion 23 of interlock lock member 2 be piercing in opening 131 places of positioning part, sleeve 1 below 13 outside and in advance the contraposition interlocking in lockhole 71, utilize the actuating part 211 at electric tools or hand tools engagement head 21 end face places to lock commentaries on classics again; Become one with sheet material 6 and after cooperating sheet material 7 to utilize the fixing mode of interlocking firmly to combine thus, and have that good assembling is firm, the effect of certain location.

See also shown in Figure 9; Be the utility model side cutaway view of a preferred embodiment again; Find out by knowing among the figure; Wherein place, spacing hole 11 bottom sides of this sleeve 1 is formed with supported terminal part 112; And rely on the shaft 22 of lock member 2 to utilize the ejection of pressurizing mold (not shown) that its stress deformation, aperture are dwindled with the set bump 222 in head 21 joints, and can come block on the spiro union portion 23 at place, shaft 22 belows, to form the block location through supported terminal part 112, make the unlikely sleeve 1 of emerging in of lock member 2 outside and present the activity mated condition.

Be with; The utility model is for being socketed on the spiro union portion 23 of lock member 2 to silica gel ring body 4 inner standing block holes 41; And rely on the opening peripheral region of limited part 42 blocks in the positioning part 13 at place, sleeve 1 below at standing block hole 41 1 side places to preset the location or deviate to form separated state; Can limit spiro union portion 23 length travels of lock member 2 through silica gel ring body 4; To prevent being caused it to produce the situation that squints or rock because of the outer sleeve 3 and the predetermined spacing between sleeve 1 outer surface that combine on the lock member 2; Make whole center of gravity keep stable, more accurate during conjugate foramen 61 welding on the positioning part 13 that is beneficial to sleeve 1 and the sheet material 6, and improve whole combination force, weld strength.

Above-mentioned detailed description is for explaining to a kind of preferable possible embodiments of the utility model; Only this embodiment is not in order to limit the claim of the utility model; All other do not break away from the equalization of being accomplished under the skill spirit that the utility model discloses to be changed and modifies change, all should be contained in the claim that the utility model contains.

In sum, the above-mentioned fixing device of the utility model is for reaching its effect and purpose, so the utility model really is the excellent model utility of a practicability really; Meeting the application important document of novel patent in fact, files an application in the whence in accordance with the law, expects that examining committee grants accurate this case early; Ensureing model utility people's arduous creation, if an ancient unit of weight office have any check doubtful, the indication of please writing to us without sparing; Settled the doing one's utmost of model utility people cooperates, and the true feeling moral just.

Claims (9)

1. a fixing device is characterized in that, includes sleeve, lock member, outer sleeve and silica gel ring body, wherein:

This sleeve inner is the one side place, space that places that connects shape and is provided with spacing hole, and the opposite side place away from spacing hole is formed with the positioning part with opening in the sleeve outside;

The head that this lock member had extends outwardly and can penetrate the shaft of activity displacement in sleeve places the space; And shaft is provided with and can be piercing in the outside spiro union portion of sleeve by opening away from the opposite side place of head, and is provided with the elastic element that is positioned between head and spacing hole in the shaft outer cover;

This outer sleeve is incorporated on the head of lock member, and is formed with the containing space that can accommodate sleeve and lock member in outer sleeve inside;

This silica gel ring body inside has can be socketed on the standing block hole that presets the location on the lock member spiro union portion or deviate to form separated state; And be provided with in standing block hole one side place can block in the limited part of the opening peripheral region of sleeve positioning part, and the external diameter after the socket of silica gel ring body is less than the positioning part external diameter of sleeve.

2. fixing device as claimed in claim 1; It is characterized in that; The place, spacing hole bottom side of this sleeve is formed with and is the supporting surface of tiltedly stretching shape; And lock member is positioned at the adjacent position of shaft and head joint and is provided with the holding section, and outside sheathed elastic element one side of shaft is held on the supporting surface of spacing hole, and the elastic element opposite side is socketed on the holding section of shaft and is elastic deformation.

3. fixing device as claimed in claim 1; It is characterized in that; This sleeve outside is provided with the ring protuberance near the spacing hole place, and outer sleeve is positioned at containing space and inwards is extended with at least one can block forms the block location on the ring protuberance resisting part away from the opposite side opening of head.

4. fixing device as claimed in claim 1; It is characterized in that; This sleeve outside is provided with the ring protuberance near place, spacing hole top; And the opposite side below place away from the ring protuberance is formed with the positioning part that can combine with the conjugate foramen on the preset sheet material, and the falope ring body diameter of socket and makes the falope ring body can pass and be arranged in conjugate foramen less than the internal diameter of the conjugate foramen of presetting sheet material on the spiro union portion of lock member.

5. fixing device as claimed in claim 1; It is characterized in that; The opening peripheral region that this sleeve is positioned at the positioning part is formed with the interface that can combine with conjugate foramen on the preset sheet material outwardly, and interface is a smooth shape or stepped, and the spiro union portion of lock member passes the sleeve outside; And interlocking becomes one after making preset sheet material and cooperating the sheet material interlocking fixing in the preset lockhole that cooperates on the sheet material.

6. fixing device as claimed in claim 1; It is characterized in that; The place, spacing hole bottom side of this sleeve is formed with a supported terminal part; And the shaft of lock member and head joint are provided with bump, and bump can ejection make its stress deformation, aperture dwindle on the supported terminal part, and make the supported terminal part block on the spiro union portion at place, lock member below and present the activity mated condition.

7. fixing device as claimed in claim 1; It is characterized in that; The head top surface place of this lock member is provided with the actuating part, and head is positioned at outboard peripheries place, actuating part and is provided with fixed part, and on fixed part, is combined with outer sleeve; And outer sleeve inside is formed with the containing space that can accommodate sleeve and lock member, and is provided with turn portion in the outer sleeve outside.

8. fixing device as claimed in claim 1; It is characterized in that; The place, standing block hole one side wall surface top of this silica gel ring body is provided with limited part, and makes the opening peripheral region of limited part block in the positioning part of sleeve, does length travel in order to the spiro union portion of restriction lock member.

9. fixing device as claimed in claim 1 is characterized in that, the standing block hole internal diameter of this silica gel ring body is less than the external diameter of the spiro union portion of lock member, and the spiro union portion of lock member is forced in standing block hole, preset the location.

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