CN206918075U - Minitype linear motion module - Google Patents

Abstract

A kind of Minitype linear motion module includes linear track, slide and multiple balls.Linear track has multiple rail grooves, and slide is slideably positioned in linear track.Slide includes slide body, multiple back-flow components and two end-cap assemblies.There are multiple interior backflashes and two end faces, the outside of slide body has multiple exteenal reflux grooves, and each interior backflash forms multiple interior return flow lines with each rail groove on the inside of slide body.Back-flow component respectively there are backflow groove and the first dustproof part, the both ends of back-flow component to have at least one first clamping structure respectively.Two end-cap assemblies are respectively arranged at these end faces, and each end-cap assembly has multiple backflow guide channels and multiple second clamping structures, the engagement corresponding with interior return flow line and exteenal reflux passage of backflow guide channel respectively, and the second clamping structure is connected with the first clamping structure.

Description

Minitype linear motion module

Technical field

A kind of Minitype linear motion module is the utility model is related to, more particularly to back-flow component has one kind of clamping structure Minitype linear motion module.

Background technology

In known Minitype linear motion module, mainly including linear track, slide and multiple balls.On linear track Rail groove is provided with, and interior backflash is then provided with the inside of slide, the two collectively constitutes the interior return flow line of ball operation.Slide Including slide body and multiple back-flow components.Back-flow component has backflash with the side that slide body connects, and backflash can Collectively constitute exteenal reflux passage with the exteenal reflux groove of slide outer body, that is to say, that ball can in interior return flow line, pass through Backflow guiding bend and exteenal reflux interchannel on end cap cyclically move.It is in addition, in practical application, miniature in order to be lifted The assembly precision of Linear Moving Module and dust-proof effect when lifting running, then lead to extra fixture and the first dustproof part Cross and be sheathed on slide body to provide the effect of above-mentioned.

And in said structure, to make motion smooth, the part such as backflow end cap, circulation piece, back-flow component is penetrated by plastics Go out shaping and manufactured element, be aided with appropriate process conditions, you can the engagement of each interelement is reached essence without offset easily, Contribute to the continuity and planarization of the tube wall of ball circulation paths.On traditional assembling procedure, the slide body of metal material Back-flow component with plastic material can be set recessed when being assembled in slide body at interior backflash or exteenal reflux groove Portion, and make its recess with the tab on back-flow component to complete to assemble.However, utilize the side for destroying slide body construction Formula, ball can make it that during shuttling movement, the convex portion on back-flow component and the junction of the recess on slide body, lacked The weary ability for being enough to resist ball radial impact, therefore it occur frequently that have disengaging with reference to not firm enough between the two or rock, make Into back-flow component displacement and influence ball-recirculation motion stationarity and system operation stability, or even cause back-flow component with The junction of slide body produces rupture, damage.

Therefore, a kind of Minitype linear motion module how is provided, the clamping structure of its back-flow component can not be broken in assembling Bad slide body construction and can strengthens the ability of the anti-ball radial impact of back-flow component, actually one of current important problem.

Utility model content

In view of above-mentioned problem, the purpose of this utility model has the miniature straight of clamping structure to provide a kind of back-flow component Line motion module, on the premise of the structure and the intensity of back-flow component for not influenceing slide body, strengthen the anti-rolling of back-flow component The ability of pearl radial impact.

For the above-mentioned purpose, according to a kind of Minitype linear motion module of the present utility model include linear track, slide with And multiple balls.Linear track has multiple rail grooves, and slide is slideably positioned in linear track.Slide includes slide body, more Individual back-flow component and two end-cap assemblies.There is multiple interior backflashes of these corresponding rail grooves, slide on the inside of slide body Body has two end faces, and the outside of slide body, which corresponds to these interior backflashes, has multiple exteenal reflux grooves, these interior backflashes Multiple interior return flow lines are formed with these rail grooves.These back-flow components connect the outside of slide body, these each backflow members Part has the backflash and first dustproof part corresponding with these each exteenal reflux grooves respectively, and these backflashes outside these with returning Chute forms multiple exteenal reflux passages, and two ends of these each back-flow components have at least one first to fix knot respectively Structure, radial direction of each first dustproof part along linear track extend from each backflash to each rail groove, each first dustproof part covering part Slide body and be integrally molded so as solid memder with back-flow component.Two end-cap assemblies are respectively arranged at these end faces, respectively These individual end-cap assemblies have multiple backflow guide channels and multiple second clamping structures respectively, these backflow guide channels and these Interior return flow line and the corresponding engagement of these exteenal reflux passages are to form multiple circulation canals, and these second clamping structures are distinguished It is connected with these corresponding first clamping structures.Multiple ball-recirculations are moved in each circulation canal.

In one embodiment, slide further comprises at least two ball retainers, these ball retainers respectively with These interior backflashes are correspondingly arranged, and the wherein both ends of these ball retainers have an overhead kick portion respectively, these overhead kick portions respectively with These end-cap assemblies connect.

In one embodiment, these end-cap assemblies further have fixing groove respectively, and overhead kick portion is placed in fixed ditch Groove.

In one embodiment, ball retainer is cambered surface towards the surface of interior backflash, and cambered surface connects with these balls Touch.

In one embodiment, the first clamping structure is projective structure, and the second clamping structure is concave inward structure.

In one embodiment, and projective structure profile is column, taper, en plaque, hook-shaped or outer dovetail shape.

In one embodiment, the first clamping structure is concave inward structure, and the second clamping structure is projective structure.

In one embodiment, surface of the back-flow component away from backflash further has at least two first fixed parts, Slide further comprises metal strengthening part, and metal strengthening part is arranged at the outer rim of slide body, and metal strengthening part has at least two Individual second fixed part, the connection corresponding with these first fixed parts of these second fixed parts.

In one embodiment, these end faces of slide body have at least one recess, and these end-cap assemblies respectively Further there is at least one locating dowel respectively, these locating dowels are embedded in these corresponding recesses.

In one embodiment, locating dowel profile is cylindric, polygonal column or taper.

In one embodiment, slide further comprises two end cap dust guards, these end cap dust guards respectively with these End-cap assembly is correspondingly arranged, and these end cap dust guards have two the second dustproof parts and strengthen piece respectively, and these are second dust-proof Portion is correspondingly arranged with these interior return flow lines, is strengthened piece and is arranged at side of the end cap dust guard towards end-cap assembly.

As described above, Minitype linear motion module of the present utility model, the both ends of its back-flow component have multiple the respectively One clamping structure, these first clamping structures are connected with multiple second clamping structures of end-cap assembly respectively so that ball is following During ring moves, the ability increase of the anti-ball radial impact of its back-flow component, and the combination of back-flow component and end-cap assembly Place, produce because of the shock of ball the first clamping structure and the second clamping structure and come off or damage, make back-flow component with End-cap assembly and slide this physical efficiency stable bond, the stationarity and system operation stability of increase ball-recirculation motion.

And in technique, the back-flow component and end-cap assembly of plastic material, its first clamping structure and the second clamping structure It is made using ejection formation, is combined again with back-flow component without recess is drilled with the exteenal reflux groove adjacent place of slide body, can Simplify technique and the process of assembling, reduce manufacturing cost, keep the integrality of slide body construction, and increase the group of total system Fill intensity.

Brief description of the drawings

Fig. 1 is the schematic perspective view of the Minitype linear motion module of the utility model embodiment.

Fig. 2 is the explosive view of the Minitype linear motion module shown in Fig. 1.

Fig. 3 is the close-up schematic view of the end-cap assembly shown in Fig. 1.

Fig. 4 is the close-up schematic view of the first clamping structure of the present utility model and the second clamping structure.

Fig. 5 is schematic cross-sectional view of the Minitype linear motion module along line A-A section shown in Fig. 1.

Fig. 6 is the assembling schematic diagram of end-cap assembly of the present utility model and slide body.

Fig. 7 is the assembling schematic diagram of the end-cap assembly of ball retainer of the present utility model and slide.

Fig. 8 A are the schematic perspective view of ball retainer of the present utility model.

Fig. 8 B are the local B enlarged diagrams of the ball retainer shown in Fig. 8 A.

Fig. 8 C are schematic cross-sectional view of the ball retainer along line C-C section shown in Fig. 8 A.

Embodiment

Hereinafter with reference to relevant drawings, illustrate a kind of miniature linear motion mould according to the utility model preferred embodiment Block, wherein identical element will be illustrated with identical reference.

Referring to Fig. 1, Fig. 2, Fig. 3 and Fig. 5, Fig. 1 is the Minitype linear motion module of the utility model embodiment Schematic perspective view, Fig. 2 is the explosive view of the Minitype linear motion module shown in Fig. 1, and Fig. 3 is the end-cap assembly shown in Fig. 1 Close-up schematic view, Fig. 5 are schematic cross-sectional view of the Minitype linear motion module along line A-A section shown in Fig. 1.

The utility model, which provides a kind of Minitype linear motion module M, includes linear track 1, slide 2 and multiple balls 24. Linear track 1 has multiple rail grooves 11, and slide 2 is slideably positioned in linear track 1.Slide 2 include slide body 21, multiple times Fluid element 22 and two end-cap assemblies 23.The inner side of slide body 21 has multiple interior backflashes of these corresponding rail grooves 11 211, slide body 21 has two end faces 212, and the outside of slide body 21, which corresponds to these interior backflashes 211, to be had outside multiple Backflash 213, these interior backflashes 211 form multiple interior return flow line P1 with these rail grooves 11.These back-flow components 22 connect The outside of slide body 21 is connect, these each back-flow components 22 have corresponding with these each exteenal reflux grooves 213 return respectively The dustproof part 223 of chute 221 and first, these backflashes 221 form multiple exteenal reflux passage P2 with these exteenal reflux grooves 213, And two ends of these each back-flow components 22 have at least one first clamping structure 222, each edge of first dustproof part 223 respectively The radial direction of linear track 1 extends from each backflash 221 to each rail groove 11, the slide sheet of each covering part of first dustproof part 223 Body 21 and it is integrally molded so as solid memder with back-flow component 22.Two end-cap assemblies 23 are respectively arranged at these end faces 212, each These end-cap assemblies 23 have multiple backflow guide channels 231 and multiple second clamping structures 232 respectively, these backflow guide channels To form multiple circulation canals, (accompanying drawing is not for 231 engagements corresponding with these interior return flow line P1 and these exteenal reflux passages P2 Show), and these second clamping structures 232 are connected with these corresponding first clamping structures 222 respectively.Multiple balls 24 circulate Move in each circulation canal.Wherein, these circulation canals are by these corresponding interior return flow line P1, these backflows Guide channel 231, these exteenal reflux passage P2 and these backflow guide channels 231 are formed.

In addition, surface of the back-flow component 22 away from backflash 221 further has at least two first fixed parts 224, it is sliding Seat 2 further comprises that metal strengthening part 26 is protected and is arranged at the outer rim of slide body 21, to increase slide body 21, backflow member The rigidity and impact resistance of part 22 and the entirety of end-cap assembly 23.Metal strengthening part 26 has at least two second fixed parts 261, the present embodiment is illustrated so that side has two the second fixed parts 261 to share four the second fixed parts 261 as an example.Its In, the second fixed part 261 is such as, but not limited to projective structure, and the first fixed part 224 is corresponding recess structure.Or Second fixed part 261 can also be recess structure, and the first fixed part 224 is corresponding projective structure.These second fixed parts 261 connections corresponding with these first fixed parts 224, make metal strengthening part 26 also can be closely in the case where no screw locks The component that slide body 21, multiple back-flow components 22 and two end-cap assemblies 23 combine is enveloped, slide 2 is overall to be tied to be lifted Structure intensity.It can cause the first fixed part 224 or the second fixed part 261 when back-flow component 22 is forced and separated with metal strengthening part 26 The structure of even whole back-flow component 22 can all be destroyed, and the design of such a high bond strength is only capable of to destroy the side of structure Formula can just be such that back-flow component 22 is separated with the generation of metal strengthening part 26.

Slide 2 further comprises two end cap dust guards 27, these end cap dust guards 27 respectively with these end-cap assemblies 23 It is correspondingly arranged, these end cap dust guards 27 have two the second dustproof parts 271 and strengthen piece 272 respectively, and these are second dust-proof Portion 271 is correspondingly arranged with these interior return flow line P1, and the design of the second dustproof part 271 can prevent that dust or foreign matter are logical by interior backflow Road P1 end faces enter inside slide body 21 and rail groove 11, are run so as to influence ball 24.Strengthen piece 272 and be arranged at end cap Dust guard 27 is towards the side of end-cap assembly 23.Wherein strengthen the material of piece 272 to be metal and utilize the mode of plastic injection cladding Solid memder is formed with the dustproof part 271 of end cap dust guard 27 and second.

Wherein, as shown in Fig. 2, Fig. 3, Fig. 5 and Fig. 6, end-cap assembly 23 includes the first end cap 235 and the second end cap 236, the first end cap 235 has the multiple first backflow guidance parts 2311, and the second end cap 236 has the multiple second backflow guidance parts 2312.End-cap assembly 23 be engaged with each other by 236 two components of the first end cap 235 and the second end cap be embedded it is combined form, And first after end cap 235 and 236 two Component compositions of the second end cap, these first backflow guidance parts 2311 with these second time Stream guidance part 2312 is collectively forming these backflow guide channels 231.Wherein flow back guide channel 231 and corresponding interior return flow line P1 And exteenal reflux passage P2 is corresponding engages, and the corresponding two backflow guide channels 231 of both ends cap assemblies 23 are individually coupled to phase Corresponding interior return flow line P1 and exteenal reflux passage P2, enable multiple balls 24 to complete shuttling movement wherein.

As shown in Fig. 2 and Fig. 4, in the present embodiment, the first clamping structure 222 of back-flow component 22 is projective structure, And the second clamping structure 232 of end-cap assembly 23 is concave inward structure, the first clamping structure 222 is corresponding with the second clamping structure 232 Set, and both combinations may be such that the anti-radial impact of ball 24 of its back-flow component 22 during shuttling movement of ball 24 Ability increase, and the junction of back-flow component 22 and end-cap assembly 23 will not make the first clamping structure 222 because of the shock of ball 24 And second clamping structure 232 produce and come off or damage, enable back-flow component 22 and end-cap assembly 23 and slide body 21 surely It is fixed to combine, increase the stationarity and system operation stability of the shuttling movement of ball 24.

In addition, the first clamping structure 222 is projective structure, and the second clamping structure 232 is concave inward structure, and first fixes knot Structure 222 is correspondingly arranged with the second clamping structure 232；Can also be in response to product design demand, it is indent to make the first clamping structure 222 Structure, and the second clamping structure 232 is projective structure (attached not shown).Wherein, the first clamping structure 222 or the second clamping structure 232 projective structure profile is column, taper, en plaque, hook-shaped or outer dovetail shape, and wherein column can be cylindric or polygon Column.In the present embodiment, the projective structure profile of the first clamping structure 222 for example but is not limited to outer dovetail shape, and second The concave inward structure profile of clamping structure 232 should be inner dovetail groove shape relatively with the first clamping structure 222.

Pass through the design of the first clamping structure 222 and the second clamping structure 232, the back-flow component 22 and end cap of plastic material Component 23, its first clamping structure 222 can be made with the second clamping structure 232 using ejection formation, therefore need not be in slide sheet The adjacent place of exteenal reflux groove 213 of body 21 is drilled with recess 2121 and combined again with back-flow component 22, can simplify technique and the process of assembling, Manufacturing cost is reduced, keeps the integrality of the structure of slide body 21, and increases the assembling intensity of total system.

Then referring to Fig. 2 and Fig. 5, in the present embodiment, these each back-flow components 22 further have respectively There is the first dustproof part 223, radial direction of each first dustproof part 223 along linear track 1 is prolonged from each backflash 221 to each rail groove 11 Stretch, the slide body 21 of each covering part of first dustproof part 223, and solid memder is integrally molded so as with back-flow component 22, first The design of dustproof part 223 can prevent dust or foreign matter from being entered by the side of slide body 21 or lower section inside slide body 21, shadow Ball 24 is rung to run.Illustrate further, the first dustproof part 223 is connected with the side of back-flow component 22, and the first dustproof part 223 It is correspondingly arranged with the bottom side of slide body 21, and the slide body 21 of the covering part of the first dustproof part 223.In the present embodiment, First dustproof part 223 integrates the solid memder of shaping with back-flow component 22, is once formed via plastic ejection moulding First dustproof part 223 and back-flow component 22.By the first dustproof part 223 and the design that back-flow component 22 is solid memder, enter one Step can be such that component is more thinned, and then make 2 integrally-built reduction in bulk of slide, and can reduce manufacture and assembling procedure.

As shown in Figure 2 and 6, in the present embodiment, these end faces 212 of slide body 21 have at least one respectively Recess 2121, and these end-cap assemblies 23 further have at least one locating dowel 233 respectively, these locating dowels 233 are embedded in These corresponding recesses 2121, make these end-cap assemblies 23 be respectively placed in these end faces 212.Wherein, locating dowel 233 is set When being placed in recess 2121, mutual combination can be designed as by loose fit or tight fit according to technique or mechanism design.Further Illustrate, these locating dowels 233 are arranged at the first end cap 235 towards on the surface of end face 212, and these locating dowels 233 and these Recess 2121 is correspondingly arranged.In the present embodiment, locating dowel 233 for example but is not limited to cylindric, the wherein profile of locating dowel 233 Can be further cylindric, polygonal column or taper, these recesses 2121 are equipped with these locating dowels 233.Compared to Traditional end cap is combined only in a manner of screw lock with the end face 212 of slide body 21, and the present embodiment is embedded in by locating dowel 233 Recess 2121 combination design, can be lifted end-cap assembly 23 be loaded on end face 212 collimation, reduce backflow guide channel 231 with it is interior Return flow line P1, exteenal reflux passage P2 produce the assembling tolerance of offset, also end-cap assembly 23 can be made more firmly to be arranged at cunning Seat body 21 end face 212 on, increase the structure of end-cap assembly 23 stability, it is ensured that ball 24 in shuttling movement stationarity with And system operation stability.

As shown in Fig. 2, Fig. 7, Fig. 8 A, Fig. 8 B and Fig. 8 C, slide 2 further comprises at least two ball retainers 25, These ball retainers 25 are correspondingly arranged with these interior backflashes 211 respectively, wherein the both ends difference of these ball retainers 25 With overhead kick portion 251, these overhead kick portions 251 are connected with these end-cap assemblies 23 respectively, ball retainer 25 and interior backflash 211 Collectively constitute the pipeline space of limitation ball 24, be easy to slide 2 manufacture after transport and assembling process in, ball 24 will not be because Dropped without relying on.And these end-cap assemblies 23 further have fixing groove 234 respectively, overhead kick portion 251 is placed in fixation Groove 234.Illustrate further, the overhead kick portion 251 of ball retainer 25 has two bearing of trends, two of which bearing of trend The long axis direction of interior backflash 211 and the long axis direction parallel to interior backflash 211 are respectively perpendicular to, when ball retainer 25 When being assembled in fixing groove 234, two bearing of trends in the form fit overhead kick portion 251 of fixing groove 234, make overhead kick portion 251 It is fitted together to and gos deep into end-cap assembly 23, lift the stability of the keeper structure of ball 24, and increases by 25 anti-ball of ball retainer The ability of impact.In addition, as shown in Fig. 8 A to Fig. 8 C, ball retainer 25 towards the surface 252 of interior backflash 211 be cambered surface, And cambered surface contacts with a little balls 24, the spherical calotte of wherein ball 24 of the configuration of cambered surface with contacting is corresponding.Below by surface 252 are referred to as inner surface 252.After ball retainer 25 is processed via pull, rotary rolling mill is recycled by overall inner surface 252 form cambered surface, and this process can increase the mechanical rigid and hardness of inner surface 252, then bend out these overhead kick portions again 251, the outer surface 253 and other parts for making ball retainer 25 then have toughness, and it is overall can to increase ball retainer 25 Elastic limit.In addition, the inner surface 252 for passing through ball retainer 25 is the design of cambered surface, ball 24 can be made to be protected with ball Linear contact lay is transformed into by a contact between gripping member 25 or face contacts, impact of the ball 24 to ball retainer 25 can be reduced.And such as Shown in Fig. 8 C, when ball 24 produces outside thrust F24 into interior backflash 211 shock ball retainer 25, inner side table Face 252 becomes because the lifting of mechanical rigid, hardness and contact area can reduce thrust F24 to elasticity caused by ball retainer 25 Shape amount.In addition, when foreign matter injection groove 11 hit ball retainer 25 and when producing thrust FN, its outer surface 253 and Other positions can reduce elastic deformation amount and punching of the ball 24 to ball retainer 25 because of the lifting of elastic limit of material Hit, make ball retainer 25 be not susceptible to impact and cause to deform or come off.

In summary, the both ends of Minitype linear motion module of the present utility model, its back-flow component and end-cap assembly point Not Ju You multiple first clamping structures and multiple second clamping structures, these first clamping structures respectively with these second fix Structure connects so that ball is during shuttling movement, the ability increase of the anti-ball radial impact of its back-flow component, and flows back The junction of element and end-cap assembly will not make the first clamping structure and the second clamping structure produce and come off because of the shock of ball Or damage, make back-flow component and end-cap assembly and slide this physical efficiency stable bond, the stationarity that increase ball-recirculation is moved with And system operation stability.And in technique, the first clamping structure can be made with the second clamping structure using plastic ejection moulding, Recess need not be drilled with the exteenal reflux groove adjacent place of slide body to be combined with back-flow component again, can simplify technique and the work of assembling Sequence, manufacturing cost is reduced, keep the integrality of slide body construction, and increase the assembling intensity of total system.

And the combination that recess is embedded in by locating dowel designs, the collimation that end-cap assembly is loaded on end face can be lifted, is reduced The guide channel that flows back produces the assembling tolerance of offset with interior return flow line, exteenal reflux passage, also can make end-cap assembly more firmly Be arranged on the end face of slide body, increase end-cap assembly structure stability, it is ensured that ball in shuttling movement stationarity with And system operation stability.

In addition, the overhead kick portion of ball retainer has two bearing of trends, and two of which bearing of trend is respectively perpendicular Long axis direction in interior backflash and the long axis direction parallel to interior backflash, when ball retainer is assembled in fixing groove When, two bearing of trends in the form fit overhead kick portion of fixing groove, it is fitted together to overhead kick portion and gos deep into end-cap assembly, lifting rolling The stability of pearl keeper structure, and increase the ability of the anti-ball impact of ball retainer.

Illustrative is the foregoing is only, rather than is restricted.It is any right without departing from spirit and scope of the present utility model Its equivalent modifications carried out or change are intended to be limited solely by appended claims.

Claims (11)

1. A kind of 1. Minitype linear motion module, it is characterised in that including：

   Linear track, there are multiple rail grooves；

   Slide, is slideably positioned in the linear track, and the slide includes：

   Slide body, inner side have multiple interior backflashes of the corresponding rail groove, and the slide body has two end faces, institute The outside for stating slide body corresponds to the interior backflash and has multiple exteenal reflux grooves, and the interior backflash is formed with the rail groove Multiple interior return flow lines；

   Multiple back-flow components, connect the outside of the slide body, and each back-flow component has and each exteenal reflux respectively The corresponding backflash of groove and the first dustproof part, the backflash form multiple exteenal reflux passages with the exteenal reflux groove, and The both ends of each back-flow component have at least one first clamping structure respectively, and each first dustproof part is along the linear rails The radial direction in road extends from each backflash to each rail groove, the slide sheet of each first dustproof part covering part Body and it is body formed with the back-flow component be solid memder；And

   Two end-cap assemblies, are respectively arranged at the end face, each end-cap assembly have respectively multiple backflow guide channels and Multiple second clamping structures, the backflow guide channel engagement corresponding with the interior return flow line and the exteenal reflux passage is with shape Into multiple circulation canals, and second clamping structure is connected with corresponding first clamping structure respectively；And

   Multiple balls, shuttling movement is in each circulation canal.
2. 2. Minitype linear motion module according to claim 1, it is characterised in that wherein described slide further comprise to Few two ball retainers, the ball retainer is correspondingly arranged with the interior backflash respectively, wherein the ball retainer Both ends there is overhead kick portion respectively, the overhead kick portion is connected with the end-cap assembly respectively.
3. 3. Minitype linear motion module according to claim 2, it is characterised in that wherein described end-cap assembly further divides Not Ju You fixing groove, the overhead kick portion is placed in the fixing groove.
4. 4. Minitype linear motion module according to claim 2, it is characterised in that wherein described ball retainer is towards institute The surface for stating interior backflash is cambered surface, and the cambered surface and the ball contact.
5. 5. Minitype linear motion module according to claim 1, it is characterised in that wherein described first clamping structure is convex Go out structure, and second clamping structure is concave inward structure.
6. 6. Minitype linear motion module according to claim 5, it is characterised in that the projective structure profile be column, Taper, en plaque, hook-shaped or outer dovetail shape.
7. 7. Minitype linear motion module according to claim 1, it is characterised in that wherein described first clamping structure is interior Recessed structure, and second clamping structure is projective structure.
8. 8. Minitype linear motion module according to claim 1, it is characterised in that wherein described back-flow component is away from described The surface of backflash further has at least two first fixed parts, and the slide further comprises metal strengthening part, the gold Category stiffener is arranged at the outer rim of slide body, and the metal strengthening part has at least two second fixed parts, and described second is solid Determine portion's connection corresponding with first fixed part.
9. 9. Minitype linear motion module according to claim 1, it is characterised in that the end of wherein described slide body Face has at least one recess respectively, and the end-cap assembly further has at least one locating dowel, the locating dowel respectively It is embedded in the corresponding recess.
10. 10. Minitype linear motion module according to claim 9, it is characterised in that wherein described locating dowel profile is circle Column, polygonal column or taper.
11. 11. Minitype linear motion module according to claim 1, it is characterised in that wherein described slide further comprises Two end cap dust guards, the end cap dust guard are correspondingly arranged with the end-cap assembly respectively, and the end cap dust guard has respectively There are two the second dustproof parts and strengthen piece, second dustproof part is correspondingly arranged with the interior return flow line, the reinforcing piece The end cap dust guard is arranged at towards the side of the end-cap assembly.