CN209444714U - Linear sliding rail - Google Patents

Abstract

The utility model discloses a linear slide rail contains a guide rail, a slider, four sleeve pipes, two end covers, two circulation seats and four roll units. The slide block is arranged on the guide rail in a sliding way by the matching groove. The four sleeves are respectively penetrated through the four accommodating channels of the sliding block. Two end covers are respectively arranged on the sliding block. Each end cap has two coupling ribs at a portion thereof facing the slider. Each circulation seat comprises two circulation parts connected with two adjacent bushings, two connecting parts connecting the two circulation parts and a middle holding part connecting the two connecting parts. The middle holding part and the two connecting parts are respectively provided with two combining notches. The two coupling ribs of each end cap are geometrically complementary to the two coupling recesses facing thereto, and the two coupling ribs of each end cap are coupled with the two coupling recesses facing thereto without a gap. Therefore, the gap or the height offset of the combination part between the end cover and the circulating seat can be effectively eliminated, and the rolling unit can roll better and smoothly.

Description

Linear slide rail

Technical field

The utility model relates to a kind of sliding rail more particularly to a kind of linear slide rails.

Background technique

Since the continuous research and development of accurate feeding system improve, Linear transmission technology and products thereof has become many accurate machines Most important part in tool, miscellaneous linear mechanism product widely enter human lives, processing factory and high-tech Within skill equipment, such as: linear slide rail；Although the development of linear mechanism technology is very rapid, consumption user still needs Technology is constantly promoted, thus also lead to the problem of it is many still leaved for development, and the relevant technologies industry also all positive research and development can be with It is effectively improved the various new inventions of linear mechanism.

It further says, existing linear slide rail includes to recycle seat and the end cap with circulation seat cooperation, for being constituted energy Allow the circulation canal that rolling unit is rollably arranged.However, the mounting structure and matching relationship of above-mentioned circulation seat and end cap, are easy The part that combines generates gap or height offset between circulation seat and end cap so that rolling unit in linear slide rail not It can swimmingly roll (such as: the case where being easy to happen card refining or generating jump point).

It then, is the special utilization for concentrating on studies and cooperating the principles of science, finally inventors believe that drawbacks described above can improve It is proposed that a kind of design is reasonable and is effectively improved the utility model of drawbacks described above.

Utility model content

The utility model embodiment is to provide a kind of linear slide rail, and can effectively improve existing linear slide rail may produce Raw defect.

The utility model embodiment discloses a kind of linear slide rail, comprising: a guide rail；One sliding block, it is recessed to be formed with a cooperation Slot, and the sliding block is slidably disposed on the guide rail by the mating groove；Wherein, the sliding block is in the cooperation Two holding channels being respectively formed through at the two opposite sides position of slot；Four casings, are arranged in the four of the sliding block respectively In a holding channel；Two end caps are installed in two end faces and slidably positioned at opposite end of the sliding block respectively Ground is sheathed on the guide rail；Wherein, there are two knots for projection formation at its part towards the sliding block for each end cap Close fin；Two circulation seats, are located substantially between two end caps and are installed in respectively the sliding block, and described in two Circulation seat is located at the two opposite sides of the mating groove；Wherein, each circulation seat includes: two circulation portions, respectively with Two adjacent described sleeve pipes connect, to define two circulations jointly with the sliding block, the guide rail and two end caps Channel；Two interconnecting pieces, connect two circulation portions, and two interconnecting pieces be held on respectively two end caps with Between the sliding block；And a middle maintaining part, the opposite end of the middle maintaining part be connected to two interconnecting pieces and Two circulation canals of space between adjacent；Wherein, there are two knots with two interconnecting pieces formation respectively for the middle maintaining part Close recess；And four rolling units, it is rollably set in four circulation canals respectively；Wherein, each end Two combination fins of lid correspond respectively to the middle maintaining part of two circulation seats, each end in position Two combination fins of lid geometrically with its towards two combination recesses it is complementary, and each end cap Two combination fins and its towards two combination recesses substantially seamlessly combine.

Preferably, recessed formation is there are four slot is turned at its position towards the sliding block for each end cap, each The position for turning to slot of four of the end cap corresponds respectively to four circulation portions；Wherein, in each end cap, Each combination fin is located at adjacent two and described turns between slots and from the portion turned between slots of adjacent two Position extends and is formed.

Preferably, in each circulation seat, the middle maintaining part it is in a strip shape and include one first stripes and with One second stripes of first stripes are connected, and the width of first stripes is greater than the width of second stripes Degree, first stripes are towards the guide rail, and second stripes are towards the sliding block, and second stripes Opposite end locally and with being integrally formed is connected to two interconnecting pieces respectively.

Preferably, in each circulation seat, the opposite end of the middle maintaining part not with two interconnecting pieces The part of connection respectively has one first faying face, and the shape of first faying face is substantially in T shape；Wherein, Mei Gesuo The part towards the corresponding middle maintaining part stated in conjunction with fin has one second faying face, each second faying face Shape it is identical as the shape of first faying face, also substantially in T shape, and described the second of each combination fin Faying face is seamlessly incorporated into first faying face of the corresponding middle maintaining part.

Preferably, in each circulation seat, first stripes of the middle maintaining part and second strip Portion and the sliding block surrounds jointly ground formed there are two chain belt guide channel, and two chain belt guide channels be located at it is adjacent Two circulation canals circulating path on；Wherein, each rolling unit includes a chain belt and is set to described Multiple balls in chain belt, and in each rolling unit and the corresponding circulation canal, the rolling unit The chain belt be set in the chain belt guide channel.

Preferably, in each rolling unit and the corresponding circulation canal, the rolling unit it is described The inner wall of the mating groove of chain belt and the sliding block keeps a distance.

Preferably, each combination fin include a first rib portion and be connected with the first rib portion one Two rib portions, and the width in the first rib portion is greater than the width in second rib portion；Wherein, when each combination When fin is incorporated into the corresponding combination recess, the table towards the corresponding circulation canal in the first rib portion Face is substantially trimmed in the surface towards the corresponding circulation canal of first stripes, and second rib portion The surface towards the corresponding circulation canal substantially trim and described followed in second stripes towards corresponding The surface in ring channel.

Preferably, in each circulation seat, each interconnecting piece has and corresponding first faying face Connected and one first substantially vertical chimeric surface, and first chimeric surface is surrounded by with corresponding first faying face One combination recess；Wherein, in each end cap, each combination fin has to be connected with its second faying face And one second substantially vertical chimeric surface；Wherein, when second faying face of each combination fin be incorporated into it is corresponding The middle maintaining part first faying face when, second chimeric surface of each combination fin is incorporated into corresponding The interconnecting piece first chimeric surface.

Preferably, the opposite end of each described sleeve pipe all locally stretches out the sliding block, and each described sleeve pipe Opposite end stretch out the part of the sliding block and respectively recessed be formed with an engaging groove；Wherein, each interconnecting piece tool There are the two engaging convex blocks extended to form towards each other far from direction, and two engaging convex blocks of each interconnecting piece point Not with adjacent two are described engages groove and mutually fasten so that each interconnecting piece is held in described in adjacent two Between casing.

Preferably, the opposite end of each described sleeve pipe all locally stretches out the sliding block, the phase of each described sleeve pipe Anti- both ends stretch out the sliding block part it is respectively recessed be formed with an Oil Guide groove, and each Oil Guide groove is connected to The inside of its casing；Wherein, each end cap is formed with an Oil Guide path its position towards the sliding block is recessed, and The Oil Guide path of each end cap is spatially connected with four adjacent Oil Guide grooves.

In conclusion linear slide rail disclosed in the utility model embodiment can pass through the combination fin and circulation seat of its end cap Both combination recesses structure design and matching relationship each other so that bound fraction between end cap and circulation seat Gap or height offset can be effectively canceled (that is, the jump point of bound fraction can effectively be disappeared between end cap and circulation seat Except), so that rolling unit can be rollably more preferably smooth in linear slide rail.

For the feature and technology contents that can be further understood that the utility model, please refer to below in connection with the utility model Detailed description and accompanying drawings, but these illustrate only to be used to illustrate the utility model with attached drawing, rather than the protection to the utility model Range makees any limitation.

Detailed description of the invention

Fig. 1 is the stereoscopic schematic diagram of the utility model embodiment linear slide rail.

Fig. 2 is schematic cross-sectional view of the Fig. 1 along hatching line II-II.

Fig. 3 is the enlarged diagram of the region III of Fig. 2.

Fig. 4 is schematic cross-sectional view of the Fig. 1 along hatching line IV-IV.

Fig. 5 is the decomposition diagram of Fig. 1.

Fig. 6 is the partial exploded view of Fig. 5.

Fig. 7 is the enlarged diagram of the region VII of Fig. 6.

Fig. 8 be Fig. 7 in linear slide rail only include sliding block and casing schematic diagram.

Fig. 9 is the stereoscopic schematic diagram of the end cap of the utility model embodiment linear slide rail.

Figure 10 is another visual angle schematic diagram of Fig. 9.

Figure 11 is the stereoscopic schematic diagram of the circulation seat of the utility model embodiment linear slide rail.

Figure 12 is another visual angle schematic diagram of Figure 11.

Figure 13 is the perspective cross-sectional schematic diagram of the utility model embodiment linear slide rail.

Figure 14 is the enlarged diagram of the region XIV of Figure 13.

Figure 15 is the schematic diagram that Figure 14 omits rolling unit.

Specific embodiment

It please refers to shown in Fig. 1 to Figure 15, is the embodiments of the present invention, need to first illustrate, the present embodiment is corresponding Correlated measure mentioned by attached drawing and shape are only used to specifically describe the embodiments of the present invention, in order to understand this The content of utility model, rather than be used to limit to the protection scope of the utility model.

As shown in Fig. 1, Fig. 5 and Fig. 6, the present embodiment discloses a kind of linear slide rail 100, refers in particular to a kind of standard molded line Property sliding rail, but the utility model is not only restricted to this.Wherein, the linear slide rail 100 includes a guide rail 1, is mounted slidably In the guide rail 1 a sliding block 2, be arranged in the sliding block 2 four casings 3, be installed in the sliding block 2 and slideably cover Two end caps 4 on guide rail 1, the two circulation seats 5 for being installed in above-mentioned 2 inside of sliding block and being located between two end caps 4 and Four rolling units 6 being rollably set in linear slide rail 100.It will illustrate the present embodiment linear slide rail 100 respectively below Various components specific configuration, then illustrate the connection relationship between the various components of linear slide rail 100 in due course again.

As shown in Fig. 2, Fig. 5 and Fig. 6, the guide rail 1 is substantially in long strip, and the length direction of guide rail 1 is defined as one Glide direction S, and the section of its vertical length direction of guide rail 1 is substantially in I font.Specifically, 1 top of guide rail is opposite Each recessed formation in two sides is parallel to two rolling channels 11 of above-mentioned glide direction S.

The sliding block 2 is substantially in cuboid, and the length of the sliding block 2 is less than the length of guide rail 1.The sliding block 2 It is recessed to be formed with a mating groove 21.That is, the sliding block 2 is substantially in reverse U shape perpendicular to the section of its length direction, and And the sliding block 2 is slidably disposed on the guide rail 1 with its mating groove 21.The fit system of above-mentioned sliding block 2 and guide rail 1 in It is so that the rolling unit 6 is rollably held between sliding block 2 and guide rail 1 as an example in the present embodiment, but the utility model is not It is limited to this.Wherein, the length direction of the sliding block 2 is parallel to the length direction (it is, glide direction S) of guide rail 1, and Be formed between lateral margin and the two opposite sides face of guide rail 1 in the two of the mating groove 21 spacing (such as: Fig. 2), to accommodate (or Clamping) above-mentioned two circulation seat 5.

In more detail, the inner wall of the mating groove 21 is respectively formed with one at the position towards above-mentioned each rolling channel 11 Roll segment 211, and each rolling channel 11 and its towards roll segment 211 on the section of vertical above-mentioned glide direction S, It is all substantially arc-shaped and the center of circle having the same, but the utility model is not only restricted to this.Furthermore the sliding block 2 is in mating groove Two holding channels 22 that 21 two opposite sides position is respectively formed through, and each holding channel 22 is parallel to glide direction S。

As shown in Figure 6 to 8, each casing 3 is substantially cylindrical, and aforementioned four casing 3 is arranged in respectively In four holding channels 22 of sliding block 2.Wherein, the opposite end of each casing 3 all locally stretches out sliding block 2 (such as: figure 8), and the opposite end of each casing 3 stretch out the part of sliding block 2 respectively it is recessed be formed with an engaging groove 331 and Adjacent to an Oil Guide groove 332 of the engaging groove 331, and each Oil Guide groove 332 is connected to the inside of its casing 3.

In more detail, each casing 3 is formed with a connected pathways 31, and the opposite end of each casing 3 is each With one first stepped part 32 and a second step ladder 33 for being surrounded on connected pathways 31.Two first of each casing 3 Stepped part 32 is trimmed respectively in two end faces 23 positioned at opposite end of sliding block 2, two the second ladders of each casing 3 Portion 33 stretches out above-mentioned two end face 23 of sliding block 2 respectively, and two second step ladders 33 of each casing 3 are respectively recessed If being formed with the engaging groove 331 and an Oil Guide groove 332 adjacent to above-mentioned engaging groove 331.

In the present embodiment, each engaging groove 331 substantially be in triangle column, to following engaging convex blocks 523 mutually fasten.Furthermore each Oil Guide groove 332 is substantially in quadrangle column and the connected pathways for being connected to its casing 3 31.It further says, the inner wall of each casing 3 is recessed to form the two chain belts accommodating for being parallel to above-mentioned glide direction S Slot 34, and described two chain belt accommodation grooves 34 are located at the two second neighbouring of two the first stepped parts 32 of its casing 3 The position of stepped part 33.That is, one end of each chain belt accommodation groove 34 is located substantially at one of them above-mentioned first stepped part The position of 32 its neighbouring corresponding second step ladder 33, and the other end of the chain belt accommodation groove 34 be located substantially at it is above-mentioned wherein The position of its neighbouring corresponding second step ladder 33 of another the first stepped part 32.It should be noted that although the present embodiment is By engage groove 331 substantially in triangle column and Oil Guide groove 332 substantially in quadrangle column for, but the utility model not by It is limited to this.

As shown in Fig. 1, Fig. 4, Fig. 5, Fig. 9 and Figure 10, described two end caps 4 are installed in two end faces of sliding block 2 respectively It 23 and is slideably sheathed on guide rail 1.Wherein, the end cap 4 is that collocation is constructed in the reverse U shape of guide rail 1, that is to say, that The 4 inner edge shape of end cap of the present embodiment is generally corresponding to and is slightly larger than the cross sectional shape of guide rail 1.

It further says, there are four substantially u-shaped in its recessed formation in position towards sliding block 2 for each end cap 4 Steering slot 41, and four steering slots 41 of each end cap 4 are to correspond respectively to four circulation portions as described below 51.From the perspective of from another angle, one end (such as: outboard end) of four steering slots 41 of each end cap 4 is to correspond respectively to set Four casings 3 of 2 inside of sliding block are placed in, and the other end (such as: inner end) of four steering slots 41 of each end cap 4 is Correspond respectively to four roll segments 211 for being set to 2 inside of sliding block.

Each end cap 4 is formed with two basic change fin 42, and institute in its further projection in position towards sliding block 2 The two basic change fin 42 for stating each end cap 4 corresponds respectively to the middle holding of two circulations seat 5 as described below in position Portion 53.In each end cap 4, each combination fin 42 is between two adjacent steering slots 41 and from phase Adjacent two turn to the position extension between slot 41 and are formed.In other words, in each end cap 4, described two combinations Between the adjacent steering slot 41 of one of two of them for combining fin 42 to be located at four steering slots 41 of fin 42 and from its In it is two adjacent turn to slots 41 between parts extend formed；Also, wherein other the one of described two combination fins 42 It is a in conjunction with fin 42 be located at four steering slot 41 wherein other two adjacent steering slot 41 between and from wherein other two Part between adjacent steering slot 41, which extends, to be formed.In more detail, in the present embodiment, each combination fin 42 It include a first rib portion 421 and the one second rib portion 422 for being connected in first rib portion 421, the first rib portion 421 Width be greater than the second rib portion 422 width, and the width in the second rib portion 422 towards far from first rib portion 421 side To being incremented by, and the thickness in the first rib portion 421 is less than the thickness in the second rib portion 422.

Each end cap 4 further recessed is formed with an Oil Guide path 43, the Oil Guide at its position towards sliding block 2 Path 43 is circumferentially set to around four steering slots 41 and is spatially connected with four steering slots 41.As described above, In each end cap 4, since Oil Guide path 43 is spatially connected and four steering slots 41 with four steering slots 41 One end (such as: outboard end) be to correspond respectively to four casings 3, therefore the Oil Guide path 43 and four adjacent Oil Guide grooves 332 are spatially also connected.

Whereby, the linear slide rail 100 of the utility model embodiment can pass through Oil Guide path 43 and the casing 3 of its end cap 4 Structure design and the matching relationship each other of both Oil Guide grooves 332, so that when lubricating oil (such as: ball lubricating oil) infuses When entering the Oil Guide path 43 of end cap 4, lubricating oil can further pass through the inside of 332 sleeve pipe 3 of Oil Guide groove of casing 3, To pressure of the Balanced lubricating oil in end cap 4 and it is effectively prevented from lubricating oil and can not continues in injection end cap 4 or end cap 4 because the pressure of lubricating oil is excessive be detached from sliding block 2 (that is, quick-fried oil) the case where occur.

Each end cap 4 is formed with one generally about Oil Guide path 43 in its further projection in position towards sliding block 2 Flange 44, and the flange 44 of each end cap 4 is seamlessly closely against the corresponding end face 23 of sliding block 2.More It says to body, in each end cap 4, is substantially separated by flange 44 between the Oil Guide path 43 and four steering slots 41, and And can spatially it be connected by an at least Oil Guide for flange 44 opening 441 between Oil Guide path 43 and four steering slots 41 It is logical.

A side of each end cap 4 is formed further with an oil filler point 45, the Oil Guide path 43 of each end cap 4 Between oil filler point 45 and its four adjacent Oil Guide grooves 332, so that the oil filler point 45 of the end cap 4 and its adjacent Four Oil Guide grooves 332 are spatially connected via institute's Oil Guide path 43.

Please refer to Fig. 5 to Fig. 8 and also referring to Figure 11 and Figure 12, described two circulation seats 5 are located substantially at above-mentioned two It is installed in the inside of sliding block 2 between end cap 4 and respectively.More specifically, described two circulation seats 5 are located at matching for sliding block 2 Close the two opposite sides of slot 21.Since two circulation seats 5 of the present embodiment are roughly the same or symmetrical construction, so following be only situated between Continue the construction of one of circulation seat 5, then besides the connection relationship between bright circulation seat 5 and other components.

The circulation seat 5 includes that there are two 51, two interconnecting pieces 52 of circulation portions and a middle maintaining parts 53.Wherein, described Two interconnecting pieces 52 are connected between two circulation portions 51；That is, one of interconnecting piece of described two interconnecting pieces 52 52 two circulation portions 51 of connection one end adjacent to each other, and another one interconnecting piece 52 is connected to two circulation portions 51 each other The adjacent other end.

In more detail, each circulation portions 51 have two steering tracks 511 being located at its both ends and divide Not Wei Yu two 511 opposite sides of steering track two abutment faces 512.Wherein, adjacent to each other and adhere to different circulation portions 51 separately Two steering tracks 511 be with an interconnecting piece 52 come connect and relative to 52 substantially mirror images of interconnecting piece it is symmetrical Setting.Each path substantially semicircular in shape for turning to track 511, but the utility model is not only restricted to this.

Furthermore the roughly triangular sheet of each interconnecting piece 52 and have a first end 521 and a second end 522, the width of the first end 521 is greater than the width of the second end 522, and each interconnecting piece 52 is in its first end The two sides in portion 521 have the two engaging convex blocks 523 extended to form towards each other far from direction.It further says, each company Socket part 52 is formed with a circular hole 524, and the circular hole 524 of each interconnecting piece 52 is located at its first end 521 and is located at two cards It closes between convex block 523, and the circular hole 524 of each interconnecting piece 52 can be worn with for a screw, so that the circulation Seat 5 is locked on sliding block 2, but the utility model is not only restricted to this.For example, the other implementations not being painted in the utility model In example, the circular hole 524 of the interconnecting piece 52 also can be omitted or be replaced with other constructions.

The opposite end of the middle maintaining part 53 is connected to two interconnecting pieces 52, and the middle maintaining part 53 is distinguished Two basic change recess 54 is formed with two interconnecting pieces 52.In more detail, the middle maintaining part 53 is whole in a strip shape and includes There are one first stripes 531 and is connected in one second stripes 532 of the first stripes 531, the width of first stripes 531 Degree is greater than the width of the second stripes 532, and the width of the second stripes 532 is passed towards the direction far from the first stripes 531 Increase, and the thickness of first stripes 531 is less than the thickness of the second stripes 532.

It further says, the opposite end of second stripes 532 locally and with being integrally formed is connected to two respectively A interconnecting piece 52, the opposite end of the middle maintaining part 53 do not have respectively one first to be combined with the part of two interconnecting pieces 52 connection Face 533, and the shape of first faying face 533 is substantially in T shape.

It should be noted that the present embodiment be although with the opposite ends of second stripes 532 respectively locally and one It is connected to for two interconnecting pieces 52 body formedly, but the utility model is not only restricted to this.For example, second stripes 532 opposite end, which also may, for example, be, is separably set to two interconnecting pieces 52.

In addition, being matched with first faying face 533, each interconnecting piece 52, which is formed further with, to be connected and substantially hangs down Directly in one first chimeric surface 525 of corresponding first faying face 533, and first chimeric surface 525 and corresponding One faying face 533 is formed with the combination recess 54 with surrounding.

It is following then to illustrate to recycle the company between seat 5 and other components the above are the construction introduction of the present embodiment circulation seat 5 Connect relationship.Each circulation seat 5 is fixed on sliding block 2, and two circulation portions 51 of each circulation seat 5 respectively with it is adjacent Two casings 3 connect, to define two circulation canals jointly with the sliding block 2, the guide rail 1 and described two end caps 4 C (such as: Figure 13), and described two circulation canal C are spatially all connected with two Oil Guide paths 43.Further say, Two steering tracks 511 of each circulation portions 51 connect with corresponding casing 3 and roll segment 211 respectively, so that institute State the rolling of two steering tracks 511 of each circulation portions 51 and its roll segment 211, guide rail 1 of corresponding casing 3, sliding block 2 The corresponding steering slot 41 of ditch 11 and two end caps 4 collectively forms a circulation canal C (such as: Figure 13).

Furthermore two interconnecting pieces 52 of each circulation seat 5 are held on respectively between above-mentioned two end cap 4 and sliding block 2. That is, one of interconnecting piece 52 of two interconnecting pieces 52 of each circulation seat 5 is held on above-mentioned two end cap 4 Between one of end cap 4 and sliding block 2, and the another one interconnecting piece of two interconnecting pieces 52 of each circulation seat 5 52 are held between the another one end cap 4 and sliding block 2 of above-mentioned two end cap 4.

As the two basic change fin 42 of Fig. 5, Fig. 9, Figure 10 and Figure 15, each end cap 4 correspond respectively in position The middle maintaining part 53 of two circulation seats 5, the two basic change fin 42 of each end cap 4 is in being geometrically complementary to it towards (its It is adjacent) two basic change recess 54, and the two basic change fin 42 of each end cap 4 and its towards two basic change recess 54 substantially seamlessly combine.

Whereby, the linear slide rail 100 of the utility model embodiment can pass through the combination fin 42 and circulation seat 5 of its end cap 4 Both combination recesses 54 structure design and matching relationship each other so that engaging portion between end cap 4 and circulation seat 5 The gap or height offset divided can be effectively canceled (that is, can there is the jump point of bound fraction between end cap 4 and circulation seat 5 Eliminate on effect ground) so that rolling unit 6 can be rollably more preferably smooth in linear slide rail 100.

More specifically, the first faying face 533 of each middle maintaining part 53, each combination fin 42 are matched with The part towards corresponding middle maintaining part 53 have one second faying face 423, the shape of each second faying face 423 It is identical to the shape, also substantially in T shape of the first faying face 533, and the second faying face 423 of each combination fin 42 Seamlessly it is incorporated into the first faying face 533 of corresponding middle maintaining part 53.

Furthermore in each end cap 4, each combination fin 42, which has, to be connected and is approximately perpendicular to its second knot One second chimeric surface 424 in conjunction face 423, and second chimeric surface 424 is the second rib portion 422 in contrast to first rib One side surface in portion 421.Wherein, when the second faying face 423 of each combination fin 42 is incorporated into corresponding middle holding When first faying face 533 in portion 53, the second chimeric surface 424 of each combination fin 42 is incorporated into corresponding interconnecting piece 52 The first chimeric surface 525 so that each combination fin 42 is embedded in corresponding circulation seat 5.

Please continue to refer to Figure 15, from the perspective of from another angle, when each combination fin 42 is incorporated into corresponding combination When recess 54, the surface towards corresponding circulation canal C in the first rib portion 421 is substantially trimmed in the first stripes 531 surface towards corresponding circulation canal C and do not have any height substantially with the surface of the first stripes 531 Low offset (rises and falls) that is, not having any height, and second rib portion 422 towards corresponding circulation canal The surface of C substantially trim in the second stripes 532 the surface towards corresponding circulation canal C and with second strip The surface in portion 532 does not have any height offset substantially.

As shown in fig. 7, two engaging convex blocks 523 of each interconnecting piece 52 respectively with two adjacent second step ladders 33 engaging groove 331 mutually fastens, so that each interconnecting piece 52 is held between two adjacent casings 3.Again Person, two abutment faces 512 of each circulation portions 51 bear against in sliding block 2 two end faces 23 and also bear against in First stepped part 32 of two adjacent casings 3.

Whereby, the linear slide rail 100 of the utility model embodiment can recycle the interconnecting piece 52 and casing 3 of seat 5 by it Structure design and the matching relationship each other of both ends so that casing 3 can not need too many fixation kit (such as: Screw) in the case where be dexterously fixed on sliding block 2, and then the effectively close-fitting degree of lifting device entirety, lifting device Assembling convenience and reduce the manufacturing cost of device.

It is noted that in the present embodiment, the thickness of each interconnecting piece 52 is identical to adjacent two second Stepped part 33 stretches out the height of the corresponding end face 23 of sliding block 2.Whereby, when each end cap 4 is installed in the phase of sliding block 2 When corresponding end face 23, each end cap 4 is in the part contacted with above-mentioned interconnecting piece 52 and second step ladder 33, it is only necessary to flat The structure design in face does not need complicated structure design, can smoothly be combined with sliding block 2.

Further say, in each circulation seat 5, two circulation canal C of middle 53 space between adjacent of maintaining part, And first stripes 531 are towards guide rail 1, and second stripes 532 are towards sliding block 2.The middle maintaining part 53 The inner wall of first stripes 531 and the second stripes 532 and the mating groove 21 of sliding block 2 surrounds ground formation jointly, and there are two chain belts Guide channel 55, and described two chain belt guide channels 55 are located on the circulating path of two adjacent circulation canal C.

As shown in Fig. 2, Fig. 3, Fig. 5 and Fig. 6, four rolling units 6 are rollably placed in aforementioned four follow respectively In ring channel C.Wherein, above-mentioned each rolling unit 6 includes a chain belt 61 and is set to above-mentioned chain belt 61 in this present embodiment Multiple balls 62, but the utility model is not only restricted to this.For example, the other embodiments not being painted in the utility model In, it only includes that multiple balls 62 or the rolling unit 6 are also possible to include a chain that the rolling unit 6, which can be, With 61 and it is set to multiple rollers of above-mentioned chain belt 61.

Further say, it is in the present embodiment, described in each rolling unit 6 and corresponding circulation canal C The chain belt 61 of rolling unit 6 is set in chain belt guide channel 55, and the chain belt 61 of the rolling unit 6 and matching for sliding block 2 The inner wall for closing slot 21 keeps a distance (such as: Fig. 3).Wherein, during the rolling unit 6 rolls, the chain belt 61 contact with the first stripes 531 of middle maintaining part 53 and do not contact with the sliding block 2, but the utility model is not only restricted to this.

Whereby, the linear slide rail 100 of the utility model embodiment can be guided by the chain belt 61 and chain belt of its rolling unit 6 Structure design and the matching relationship (that is, the structure of 55 Unilateral Opening of chain belt guide channel designs) each other of both slots 55, So that the chain belt 61 of rolling unit 6 can be movably more preferably smooth in chain belt guide channel 55, and chain can be effectively reduced The case where band card refines.

Additional description is needed, in order to promote the locating effect between the present embodiment circulation seat 5 and corresponding end cap 4, often The both ends of a circulation portions 51 can separate direction extends to form that there are two positioning column 513 (such as: Figure 11) towards each other respectively, and Above-mentioned each positioning column 513 is embedded in corresponding end cap 4, but the utility model is not only restricted to this.

In addition, such as Fig. 2 and Fig. 5, in order to promote the dust-proof effect of the present embodiment linear slide rail 100, the linear slide rail 100 Further include the dustproof module 7 being set in 2 mating groove 21 of sliding block.The dustproof module 7 includes one upper dust-proof Part 71 and two lower dust guards 72, wherein the upper dust guard 71 is set to the upside of two circulation seats 5, and described two Lower dust guard 72 is respectively arranged at the downside of two circulation seats 5, but the utility model is not only restricted to this.

In addition, the guide rail 1, sliding block 2, casing 3, end cap 4 and rolling unit 6 in the present embodiment are preferably not flexible structure Make and made by hard material (such as: metal), and the circulation seat 5 be preferably flexible construction and by soft material (such as: rubber Glue) it is made, but the utility model is not only restricted to this.

It should be noted that although the linear slide rail 100 of the present embodiment is to arrange in pairs or groups to explain each other with above-mentioned multiple components, In the other embodiments that the utility model is not painted, some of components of above-mentioned multiple components can also be assembled into a mould Block, and individually using (such as: peddling) or arrange in pairs or groups the use of other components, it is not limited to the present embodiment is contained.Citing comes It says, the sliding block 2, casing 3 and circulation seat 5 in above-mentioned multiple components can be assembled into a fixed module of linear slide rail 100, and And sliding block 2, casing 3 and the end cap 4 in above-mentioned multiple components can be assembled into an Oil Guide path module of linear slide rail 100.

[technical effect of the utility model embodiment]

In conclusion linear slide rail 100 disclosed in the utility model embodiment can by the Oil Guide path 43 of its end cap 4 with Structure design and the matching relationship each other of both Oil Guide grooves 332 of casing 3, so that when (such as: ball moistens lubricating oil Lubricating oil) when being flowed into the Oil Guide path 43 of end cap 4, lubricating oil can further pass through 332 sleeve pipe 3 of Oil Guide groove of casing 3 Inside, to pressure of the Balanced lubricating oil in end cap 4 and be effectively prevented from lubricating oil and can not continue in injection end cap 4 Or end cap 4 because the pressure of lubricating oil is excessive be detached from sliding block 2 (that is, quick-fried oil) the case where occur.

Furthermore linear slide rail 100 disclosed in the utility model embodiment can pass through the combination fin 42 and circulation of its end cap 4 Structure design and the matching relationship each other of both combination recesses 54 of seat 5, so that being tied between end cap 4 and circulation seat 5 Close part gap or height offset can be effectively canceled (that is, end cap 4 and circulation seat 5 between bound fraction jump point energy It is effectively canceled) so that rolling unit 6 can be rollably more preferably smooth in linear slide rail 100.

In addition, linear slide rail 100 disclosed in the utility model embodiment can recycle the interconnecting piece 52 and casing of seat 5 by it Structure design and the matching relationship each other of both 3 ends, so that casing 3 can not need too many fixation kit It is dexterously fixed on sliding block 2 in the case where (such as: screw), and then the effectively close-fitting degree of lifting device entirety, promotion The assembling convenience of device and the manufacturing cost for reducing device.

The foregoing is merely the preferred possible embodiments of the utility model, not are used to limit to the protection model of the utility model It encloses, all equivalent changes and modifications done according to the utility model claims book should all belong to claims of the utility model Protection scope.

Claims (10)

1. a kind of linear slide rail, which is characterized in that the linear slide rail includes:

One guide rail；

One sliding block, it is recessed to be formed with a mating groove, and the sliding block can be slidingly arranged at described lead by the mating groove On rail；Wherein, two holding channels that the sliding block is respectively formed through at the two opposite sides position of the mating groove；

Four casings are arranged in respectively in four holding channels of the sliding block；

Two end caps, be installed in respectively the sliding block positioned at opposite end two end faces and can slidably be sheathed on described lead On rail；Wherein, each end cap projection at its part towards the sliding block is formed with two basic change fin；

Two circulation seats are installed in the sliding block, and two circulation seats point between two end caps and respectively Not Wei Yu the mating groove two opposite sides；Wherein, each circulation seat includes:

Two circulation portions connect with two adjacent described sleeve pipes respectively, with described in the sliding block, the guide rail and two End cap defines two circulation canals jointly；

Two interconnecting pieces, connect two circulation portions, and two interconnecting pieces be held on respectively two end caps with Between the sliding block；And

One middle maintaining part, the opposite end of the middle maintaining part are connected to two interconnecting pieces, and space between adjacent Two circulation canals；Wherein, the middle maintaining part is formed with two basic change recess with two interconnecting pieces respectively；And

Four rolling units can be rollably set in four circulation canals respectively；

Wherein, two of each end cap combination fins correspond respectively to the described of two circulation seats in position Middle maintaining part, the combination fin of two of each end cap geometrically with its towards two combination recesses it is mutual Mend, and two combination fins of each end cap and its towards two combination recesses seamlessly combine.

2. linear slide rail according to claim 1, which is characterized in that each end cap is in its portion towards the sliding block Recessed formation corresponds respectively to described in four there are four slot, the position for turning to slot of four of each end cap is turned at position Circulation portions；Wherein, in each end cap, each combination fin between two adjacent steering slots and from The position turned between slot of adjacent two, which extends, to be formed.

3. linear slide rail according to claim 1, which is characterized in that in each circulation seat, the middle maintaining part One second stripes that are in a strip shape and including one first stripes and be connected with first stripes, first stripes Width be greater than the width of second stripes, first stripes towards the guide rail, second stripes towards The sliding block, and the opposite end of second stripes locally and with being integrally formed is connected to two connections respectively Portion.

4. linear slide rail according to claim 3, which is characterized in that in each circulation seat, the middle maintaining part The part not connect with two interconnecting pieces of opposite end respectively there is one first faying face, and first faying face Shape it is in T shape；Wherein, the part towards the corresponding middle maintaining part of each combination fin has one second The shape of faying face, each second faying face is identical as the shape of first faying face, also in T shape, and each Second faying face of the combination fin is seamlessly incorporated into first combination of the corresponding middle maintaining part Face.

5. linear slide rail according to claim 3, which is characterized in that in each circulation seat, the middle maintaining part First stripes and second stripes and the sliding block surrounds jointly ground formed there are two chain belt guide channel, and Two chain belt guide channels are located on the circulating path of two adjacent circulation canals；Wherein, each rolling Moving cell includes a chain belt and multiple balls for being set in the chain belt, and in each rolling unit and corresponding The circulation canal in, the chain belt of the rolling unit is set in the chain belt guide channel.

6. linear slide rail according to claim 5, which is characterized in that in each rolling unit and corresponding described In circulation canal, the inner wall of the mating groove of the chain belt and sliding block of the rolling unit keeps a distance.

7. linear slide rail according to claim 3, which is characterized in that each combination fin includes a first rib Portion and one second rib portion being connected with the first rib portion, and the width in the first rib portion is greater than second rib The width in item portion；Wherein, when each combination fin is incorporated into the corresponding combination recess, the first rib portion The surface towards the corresponding circulation canal trim it is logical towards the corresponding circulation in first stripes The surface in road, and the surface towards the corresponding circulation canal in second rib portion is trimmed in second strip The surface towards the corresponding circulation canal in portion.

8. linear slide rail according to claim 4, which is characterized in that in each circulation seat, each connection Portion has one first chimeric surface connected and vertical with corresponding first faying face, and first chimeric surface and phase Corresponding first faying face is surrounded by the combination recess；Wherein, in each end cap, each combination Fin has to be connected and one second vertical chimeric surface with its second faying face；Wherein, described in each combination fin When second faying face is incorporated into first faying face of the corresponding middle maintaining part, each combination fin it is described Second chimeric surface is incorporated into first chimeric surface of the corresponding interconnecting piece.

9. linear slide rail according to claim 1, which is characterized in that the opposite end of each described sleeve pipe is all locally dashed forward Stretch out the sliding block, and the opposite end of each described sleeve pipe stretches out the part of the sliding block and respectively recessed is formed with a card Close groove；Wherein, each interconnecting piece has the two engaging convex blocks extended to form towards each other far from direction, and each institute State two engaging convex blocks of interconnecting piece respectively with adjacent two are described engages groove and mutually fasten so that each described Interconnecting piece is held between two adjacent described sleeve pipes.

10. linear slide rail according to claim 1, which is characterized in that the opposite end of each described sleeve pipe is all locally Stretch out the sliding block, the part that the opposite end of each described sleeve pipe stretches out the sliding block respectively recessed is formed with an Oil Guide Groove, and each Oil Guide groove is connected to the inside of its casing；Wherein, each end cap is at it towards the sliding block Position it is recessed be formed with an Oil Guide path, and the Oil Guide path of each end cap and four adjacent Oil Guides Groove is spatially connected.