CN215596217U - Linear bearing with general function - Google Patents

Abstract

The application discloses linear bearing with general function, including base and lubricated mechanism, base top center department has inlayed the spout of horizontal direction, sliding connection second slider, two respectively are in the spout inner chamber left and right sides the second slider top is rotated respectively and is connected first commentaries on classics board bottom, two first commentaries on classics board top rotates respectively and connects backup pad bottom left and right sides center department, the spout inner chamber is close to the left and right sides first slider of sliding connection respectively of center department. This application easy operation, when the optical axis is gliding in the transport sleeve inner chamber, the fixture block under the effect of third spring with optical axis lateral wall joint, when the fixture block contacts the flange, the fixture block is pressed to the flange, the fixture block breaks away from the optical axis lateral wall, the pressure changes in the oil groove this moment, lubricating oil in the oil groove gets into the steel ball surface through the flange, thereby realize the lubrication to the steel ball, break away from the fixture block when the lug, the fixture block again under the effect of third spring with optical axis lateral wall joint, avoid lubricating oil exosmosis to cause the waste.

Description

Linear bearing with general function

Technical Field

The application relates to the field of bearings, in particular to a linear bearing with a universal function.

Background

The linear bearing is a linear motion system and is used for matching a linear stroke with a cylindrical shaft. Because the bearing ball is in point contact with the bearing outer sleeve, the steel ball rolls with the minimum friction resistance, so that the linear bearing has small friction and is relatively stable, does not change along with the speed of the bearing, and can obtain stable linear motion with high sensitivity and high precision. Linear bearings also have their limitations with the most important being poor bearing impact load capacity and also poor load carrying capacity, and secondly the linear bearings are subject to high vibration and noise when moving at high speed. The automatic type selection of the linear bearing comprises recording. Linear bearings are widely used as sliding parts in industrial machines such as precision machine tools, textile machines, food packaging machines, and printing machines. The bearing ball is in point contact with the bearing point, so that the service load is small. The steel ball rotates with a very small frictional resistance, so that a stable motion with high precision can be obtained.

The existing bearing is lack of lubricating and cooling functions when in use, the service life of the bearing is easy to be reduced, the bearing is lack of measures for buffering and protecting the bearing in the use process, the installation of the bearing is limited, and the bearing cannot be used universally. Therefore, a linear bearing having a general function is proposed to address the above problems.

Disclosure of Invention

The linear bearing with the general function is provided in the embodiment to solve the problem that the steel ball inside the bearing is difficult to lubricate in the prior art.

According to one aspect of the application, a linear bearing with a general function is provided, which comprises a base and a lubricating mechanism, wherein a horizontal sliding groove is embedded in the center of the top end of the base, the left side and the right side of an inner cavity of the sliding groove are respectively connected with a second sliding block in a sliding manner, the top ends of the two second sliding blocks are respectively connected with the bottom end of a first rotating plate in a rotating manner, the top ends of the two first rotating plates are respectively connected with the center of the left side and the right side of the bottom end of a supporting plate in a rotating manner, the left side and the right side of the inner cavity of the sliding groove, which are close to the center, are respectively connected with the first sliding blocks in a sliding manner, the top ends of the two first sliding blocks are respectively connected with the bottom end of a second rotating plate in a rotating manner, and the top ends of the two second rotating plates are respectively connected with the left side and the right side of the bottom end of the supporting plate, which are close to the center;

lubricating mechanism includes the optical axis, the optical axis slides and cup joints at the conveying cover inner chamber, the optical axis inner chamber has inlayed a plurality of oil grooves, and is a plurality of oil groove inner chamber fixed connection cavity axle outer wall respectively, and is a plurality of cavity axle inner chamber bottom is fixed connection third spring one end respectively, and is a plurality of the third spring other end is fixed connection fixture block respectively, and is a plurality of the fixture block slides respectively and cup joints at cavity axle inner chamber, and is a plurality of the fixture block joint is respectively at the optical axis lateral wall, and is a plurality of the fixture block top overlap joint flange one end respectively, and is a plurality of the flange runs through the conveying cover lateral wall respectively, and is a plurality of the flange cup joints respectively at the baffle inner chamber, and is a plurality of the baffle is fixed connection conveying cover inner wall respectively.

Furthermore, one ends, far away from the clamping block, of the plurality of convex pipes are respectively communicated with steel balls, the plurality of groups of steel balls are respectively sleeved in the inner cavity of the retainer, the retainer is arranged on the outer wall of the conveying sleeve, and the outer wall of the retainer is sleeved with the bearing sleeve.

Further, the inner cavity of the support plate is communicated with one end of the condensation pipe, the other end of the condensation pipe is communicated with one end of the cooling pipe, and the other end of the cooling pipe is communicated with the inner cavity of the support plate.

Furthermore, the outer wall of the condensation pipe is provided with a second one-way valve, the outer wall of the cooling pipe is provided with a first one-way valve, and the cooling pipe is uniformly nested in the inner cavity of the retainer.

Furthermore, one end, far away from each other, of each of the two second sliding blocks is fixedly connected with one end of a first spring, and the other end of each of the two first springs is fixedly connected with the left side and the right side of the inner wall of the sliding groove.

Furthermore, one side of each of the two first sliding blocks, which is close to each other, is fixedly connected with the left end and the right end of the second spring respectively, and the second spring is sleeved in the inner cavity of the sliding groove in a sliding manner.

Furthermore, the left side and the right side of the bottom end of the base are fixedly connected with the top ends of the fixed plates respectively, and the two fixed plates are in threaded sleeve connection and penetrate through one end of the limiting bolt respectively.

Furthermore, two the one end that spacing bolt is close to each other rotates connecting plate one side center department respectively, two the splint lateral wall has evenly inlayed a plurality of mounting holes respectively.

Furthermore, two splint top center department fixed connection stopper bottom respectively, two the stopper slides respectively and cup joints at spacing inslot chamber, two the spacing groove level inlays in base bottom left and right sides center department respectively.

Furthermore, the top end of the supporting plate is fixedly connected with the left side and the right side of the outer wall of the bearing sleeve.

Through the above-mentioned embodiment of this application, adopted lubricated mechanism, solved the inside steel ball of bearing and be difficult to lubricated problem, improved the life of bearing.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic overall perspective view of an embodiment of the present application;

FIG. 2 is a schematic diagram of the overall internal structure of an embodiment of the present application;

fig. 3 is a schematic diagram of a partial enlarged structure at a in fig. 2 according to an embodiment of the present application.

In the figure: 1. the cooling device comprises a base, 2, a first spring, 3, a first rotating plate, 4, a second rotating plate, 5, a first one-way valve, 6, a cooling pipe, 7, a retainer, 8, a bearing sleeve, 9, a steel ball, 10, a condenser pipe, 11, a second one-way valve, 12, a support plate, 13, a limiting groove, 14, a limiting block, 15, a limiting bolt, 16, a fixing plate, 17, a clamping plate, 18, a second spring, 19, a first sliding block, 20, a sliding groove, 21, an installation hole, 22, a second sliding block, 23, an optical axis, 24, a cavity shaft, 25, an oil groove, 26, a third spring, 27, a conveying sleeve, 28, a clamping block, 29, a baffle, 30 and a convex pipe.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

The lubrication mechanism in the present embodiment can be applied to various linear bearings, for example, the following linear bearing is provided in the present embodiment, and the lubrication mechanism in the present embodiment can be used to lubricate the following linear bearing.

The linear bearing comprises a bearing outer sleeve, a retainer positioned in the bearing outer sleeve and a steel ball positioned in the retainer, wherein a flow passage for rolling the steel is arranged in the retainer, two ends of the retainer are respectively provided with an annular oil storage bin, the two oil storage bins are respectively clamped with two ends of the retainer, the two oil storage bins are respectively clamped with the bearing outer sleeve, one end of each oil storage bin, which is far away from the retainer, is provided with an annular cavity, an oil storage pad and lubricating oil are arranged in the cavity of each oil storage bin, the oil storage pad can absorb most of the lubricating oil, the oil storage pad can adopt a sponge or an oil absorption felt pad and the like, a combined drawing is adopted, an oil guide hole communicated with the flow passage is arranged in the bottom surface of the cavity of each oil storage bin, an oil hole is arranged on the retainer, the oil guide hole on the oil storage bin is aligned with the oil guide hole on the retainer, the oil guide hole on the retainer is communicated with the flow passage, a pressing plate is arranged in the oil storage bin, and a moving mechanism for driving the pressing plate to move is arranged in the oil storage bin, thereby moving mechanism can order about the clamp plate and remove the extrusion oil storage pad, through the extrusion oil storage pad, will be by the oil storage pad adsorbed oil through leading in the oilhole gets into the runner to play lubricated effect. The transmission mechanism comprises a transmission part, a roller rotationally connected to one end of the transmission part and a driving disc controlled to move with the transmission part, the holder is of an annular cylindrical structure, a plurality of rolling grooves are formed in the inner ring of the holder along the axis direction, the plurality of rolling grooves are arranged in an annular array and are positioned between the flow passages of the plurality of holders, four rolling grooves are arranged in the embodiment, the number of the rolling grooves is not limited to two or more, the four rolling grooves are opposite to each other in pairs, the two rolling grooves on the same diameter are matched with the same oil storage bin, two first guide holes are formed in two end faces of the holder respectively, one end of each guide hole is communicated with one end of each rolling groove, the transmission part comprises a transmission section pivoted on the roller and a pushing section positioned in each guide hole, the transmission section is U-shaped, the roller comprises a cake-shaped rolling section I and a rolling section II positioned on two end faces of the rolling section I, the diameter of the rolling section II is smaller than that of the rolling section I, the rolling section I is positioned between the U-shaped transmission sections, the rolling section II is pivoted with the transmission sections, the rolling grooves are formed along the axis of the retainer, avoidance grooves are formed at two ends of each rolling groove, the depth of each avoidance groove is larger than that of each rolling groove, sliding grooves for sliding and rolling the rolling section II are formed in two opposite side surfaces in the rolling grooves, two ends of each sliding groove extend into the avoidance grooves, linear bearings are generally sleeved on the optical axis, when the rolling wheels are positioned in the rolling grooves, the side surfaces of the rolling wheels are abutted against the optical axis and the bottom surfaces of the rolling grooves simultaneously, when the rolling wheels are positioned in the avoidance grooves, the rolling wheels are only abutted against the optical axis, when the linear bearings move relative to the optical axis, the rolling wheels can move along the length square of the rolling grooves, the rolling wheels move to drive the transmission parts to move, when the rolling wheels are positioned in the avoidance grooves, the transmission parts stop moving, and the rolling wheels can rotate circumferentially in the avoidance grooves, the inner side wall of the oil storage bin is provided with a second guide hole opposite to the first guide hole, the second guide hole is in a half-groove shape, the number of the second guide holes on each oil storage bin is two consistent with that of the first guide holes, one end of each guide hole is aligned with one end of each guide hole, the two guide holes are inclined relative to the central axis of the oil storage bin, the second inclined guide holes have the advantages of prolonging the motion stroke of the pushing section and being convenient to adapt to the length of the rolling groove, the second inclined guide holes can also be convenient to drive the driving disc to rotate in one direction, the pushing section is made of rubber and is in a deformable flexible shaft shape, the transmission section is made of hard materials and is secondarily molded with the transmission section, and the pushing section is in a flexible shaft shape and is convenient to bend so as to be matched with the second inclined guide holes, the pushing section is in clearance fit with the first guide hole and the second guide hole.

Of course, the present embodiment can also be used for lubricating linear bearings of other structures. The description is omitted, and the linear bearing according to the embodiment of the present application is described below.

Referring to fig. 1-3, a linear bearing with a general function includes a base 1 and a lubrication mechanism, a horizontal sliding groove 20 is embedded in the center of the top end of the base 1, the left and right sides of the inner cavity of the sliding groove 20 are respectively connected with a second sliding block 22 in a sliding manner, the top ends of the two second sliding blocks 22 are respectively connected with the bottom ends of first rotating plates 3 in a rotating manner, the top ends of the two first rotating plates 3 are respectively connected with the center of the left and right sides of the bottom end of a supporting plate 12 in a rotating manner, the left and right sides of the inner cavity of the sliding groove 20, which is close to the center, are respectively connected with a first sliding block 19 in a sliding manner, the top ends of the two first sliding blocks 19 are respectively connected with the bottom end of a second rotating plate 4 in a rotating manner, and the top ends of the two second rotating plates 4 are respectively connected with the left and right sides of the bottom end of the supporting plate 12, which is close to the center;

lubricating mechanism includes optical axis 23, optical axis 23 slides and cup joints at the conveying cover 27 inner chamber, optical axis 23 inner chamber has inlayed a plurality of oil grooves 25, and is a plurality of oil groove 25 inner chamber difference fixed connection cavity axle 24 outer wall, it is a plurality of cavity axle 24 inner chamber bottom difference fixed connection third spring 26 one end, it is a plurality of the third spring 26 other end is fixed connection fixture block 28 respectively, and is a plurality of fixture block 28 slides respectively and cup joints at cavity axle 24 inner chamber, and is a plurality of fixture block 28 difference joint is at optical axis 23 lateral wall, and is a plurality of fixture block 28 top overlap flange 30 one end respectively, and is a plurality of conveying cover 27 lateral wall is run through respectively to flange 30, and is a plurality of flange 30 cup joints respectively at baffle 29 inner chamber, and is a plurality of baffle 29 fixed connection conveying cover 27 inner wall respectively.

The ends, far away from the fixture block 28, of the plurality of convex pipes 30 are respectively communicated with steel balls 9, a plurality of groups of steel balls 9 are respectively sleeved in the inner cavity of the holder 7, the holder 7 is arranged on the outer wall of the conveying sleeve 27, the outer wall of the holder 7 is sleeved with a bearing sleeve 8 so as to be convenient for conveying lubricating oil through the convex pipes 30, the inner cavity of the support plate 12 is communicated with one end of the condenser pipe 10, the other end of the condenser pipe 10 is communicated with one end of the cooling pipe 6, the other end of the cooling pipe 6 is communicated with the inner cavity of the support plate 12 so as to realize the recycling of cooling liquid, the outer wall of the condenser pipe 10 is provided with a second one-way valve 11, the outer wall of the cooling pipe 6 is provided with a first one-way valve 5, the cooling pipe 6 is uniformly nested in the inner cavity of the holder 7 so as to uniformly cool the bearing, one ends, far away from each other two second sliding blocks 22, are respectively and fixedly connected with one end of a first spring 2, the other ends of the two first springs are respectively and fixedly connected with the left side and the right side of the inner wall of the sliding groove 20, one side of the two first sliding blocks 19, which is close to each other, is fixedly connected with the left end and the right end of the second spring 18 respectively, the second spring 18 is sleeved in a sliding groove 20 in a sliding manner to realize the buffer protection of the bearing, the left side and the right side of the bottom end of the base 1 are fixedly connected with the top ends of the fixed plates 16 respectively, the two fixed plates 16 are in threaded sleeve connection and penetrate through one ends of the limiting bolts 15 respectively so as to facilitate the adjustment of the positions of the limiting bolts 15, one ends of the two limiting bolts 15, which are close to each other, are rotatably connected with the center of one side of the clamping plate 17 respectively, a plurality of mounting holes 21 are uniformly embedded in the side walls of the two clamping plates 17 respectively so as to facilitate the change of the positions of the clamping plates 17 through the limiting bolts 15, the centers of the top ends of the two clamping plates 17 are fixedly connected with the bottom ends of the limiting blocks 14 respectively, the two limiting blocks 14 are sleeved in an inner cavity of the limiting groove 13 in a sliding manner, and the two limiting grooves 13 are horizontally embedded in the centers of the left side and the bottom end of the base 1 respectively, the rotation of restriction splint 17, the top fixed connection bearing housing 8 outer wall left and right sides in backup pad 12 top is convenient for the connection of bearing and backup pad 12.

When the utility model is used, electrical elements appearing in the application are externally connected with a power supply and a control switch when in use, when the optical axis 23 slides in the inner cavity of the conveying sleeve 27, the fixture block 28 is clamped with the side wall of the optical axis 23 under the action of the third spring 26, when the fixture block 28 contacts the convex tube 30, the convex tube 30 presses the fixture block 28, the fixture block 28 is separated from the side wall of the optical axis 23, the pressure in the oil groove 25 is changed at the moment, lubricating oil in the oil groove 25 enters the surface of the steel ball 9 through the convex tube 30, so that the steel ball 9 is lubricated, when the projection is separated from the fixture block 28, the fixture block 28 is clamped with the side wall of the optical axis 23 again under the action of the third spring 26, so that the waste caused by the outward leakage of the lubricating oil is avoided, by starting the second one-way valve 11 and the first one-way valve 5, the second one-way valve 11 sends cooling liquid in the inner cavity of the supporting plate 12 into the condensation tube 10, then enters the cooling tube 6 through the condensation tube 10, and the cooling liquid is uniformly cold-applied to the retainer 7 in the cooling tube 6, then the cooling liquid is sent into the inner cavity of the supporting plate 12 again through the output end of the cooling pipe 6, the recycling of the cooling liquid is realized, the waste of the cooling liquid is avoided, the vibration is generated in the working process of the bearing, the supporting plate 12 is driven to press the first rotating plate 3 and the second rotating plate 4 respectively, the first rotating plate 3 drives the second sliding block 22 to slide and press the first spring 2, the second rotating plate 4 drives the first sliding block 19 to slide and press the second spring 18, the first spring 2 and the second spring 18 absorb the stress respectively and convert the stress into elastic force to drive the supporting plate 12 to reset, the buffer protection of the device is realized at the moment, the limiting bolt 15 is driven to horizontally move by rotating the limiting bolt 15 and the fixing plate 16 in threaded fit with the limiting bolt 15, the limiting bolt 15 drives the two clamping plates 17 to approach each other, the two clamping plates 17 are moved to a distance suitable for installation, and then the installation is carried out through the installation hole 21 according to the requirement on site, thereby realizing that the device can adapt to different installation environments.

The application has the advantages that:

1. the steel ball lubricating device is simple to operate, when the optical axis slides in the inner cavity of the conveying sleeve, the clamping block is clamped with the side wall of the optical axis under the action of the third spring, when the clamping block contacts the convex pipe, the convex pipe presses the clamping block, the clamping block is separated from the side wall of the optical axis, the pressure in the oil groove is changed at the moment, lubricating oil in the oil groove enters the surface of the steel ball through the convex pipe, so that the lubrication of the steel ball is realized, when the convex block is separated from the clamping block, the clamping block is clamped with the side wall of the optical axis under the action of the third spring again, and the waste caused by the outward leakage of the lubricating oil is avoided;

2. the cooling device is reasonable in structure, the second one-way valve and the first one-way valve are started, the second one-way valve sends cooling liquid in the inner cavity of the supporting plate into the condensation pipe, then the cooling liquid enters the cooling pipe through the condensation pipe, the cooling liquid uniformly cold-compresses the retainer in the cooling pipe, and then the cooling liquid is sent into the inner cavity of the supporting plate again through the output end of the cooling pipe, so that the recycling of the cooling liquid is realized, and the waste of the cooling liquid is avoided;

3. this application drives the backup pad through the bearing and presses down first commentaries on classics board and second commentaries on classics board respectively, first commentaries on classics board rotates the second slider and slides and press down first spring, the second commentaries on classics board drives the first slider and slides and press down the second spring, make first spring and second spring absorb stress respectively and convert elasticity and drive the backup pad and reset, the buffering protection to the device is realized this moment, through rotating spacing bolt, promote spacing bolt horizontal migration with spacing bolt screw-thread fit's fixed plate, spacing bolt drives two splint and is close to each other, make two splint remove the distance that is fit for the installation, pass through the mounting hole installation again according to the on-the-spot installation demand, thereby realize that the device can adapt to different installation environment.

It is well within the skill of those in the art to implement, without undue experimentation, the present application is not directed to software and process improvements, as they relate to circuits and electronic components and modules.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (10)

1. A linear bearing with general function, characterized in that: the lubricating device comprises a base (1) and a lubricating mechanism, wherein a sliding groove (20) in the horizontal direction is embedded in the center of the top end of the base (1), the left side and the right side of the inner cavity of the sliding groove (20) are respectively connected with a second sliding block (22) in a sliding mode, the top ends of the two second sliding blocks (22) are respectively connected with the bottom ends of first rotating plates (3) in a rotating mode, the top ends of the two first rotating plates (3) are respectively connected with the center of the left side and the right side of the bottom end of a supporting plate (12) in a rotating mode, the left side and the right side, close to the center, of the inner cavity of the sliding groove (20) are respectively connected with a first sliding block (19) in a sliding mode, the top ends of the two first sliding blocks (19) are respectively connected with the bottom end of a second rotating plate (4) in a rotating mode, and the top ends of the two second rotating plates (4) are respectively connected with the left side and the right side, close to the center, of the bottom end of the supporting plate (12);

the lubricating mechanism comprises an optical axis (23), the optical axis (23) is sleeved in the inner cavity of the conveying sleeve (27) in a sliding manner, optical axis (23) inner chamber has inlayed a plurality of oil grooves (25), and is a plurality of oil groove (25) inner chamber fixed connection cavity axle (24) outer wall respectively, and is a plurality of cavity axle (24) inner chamber bottom fixed connection third spring (26) one end respectively, and is a plurality of third spring (26) other end fixed connection fixture block (28) respectively, it is a plurality of fixture block (28) slides respectively and cup joints at cavity axle (24) inner chamber, and is a plurality of fixture block (28) joint is at optical axis (23) lateral wall respectively, and is a plurality of fixture block (28) top overlap flange (30) one end respectively, and is a plurality of flange (30) run through respectively and carry cover (27) lateral wall, and is a plurality of flange (30) cup joint respectively at baffle (29) inner chamber, and is a plurality of baffle (29) fixed connection carries cover (27) inner wall respectively.

2. A universal function linear bearing as claimed in claim 1, wherein: the end, far away from the clamping block (28), of each convex pipe (30) is communicated with the steel balls (9), the steel balls (9) are sleeved in the inner cavity of the retainer (7) respectively, the retainer (7) is arranged on the outer wall of the conveying sleeve (27), and the outer wall of the retainer (7) is sleeved with the bearing sleeve (8).

3. A universal function linear bearing as claimed in claim 1, wherein: the inner cavity of the support plate (12) is communicated with one end of the condensation pipe (10), the other end of the condensation pipe (10) is communicated with one end of the cooling pipe (6), and the other end of the cooling pipe (6) is communicated with the inner cavity of the support plate (12).

4. A universal function linear bearing as claimed in claim 3, wherein: the outer wall of the condensation pipe (10) is provided with a second one-way valve (11), the outer wall of the cooling pipe (6) is provided with a first one-way valve (5), and the cooling pipe (6) is uniformly nested in the inner cavity of the retainer (7).

5. A universal function linear bearing as claimed in claim 1, wherein: one ends, far away from each other, of the two second sliding blocks (22) are fixedly connected with one ends of the first springs (2) respectively, and the other ends of the first springs (2) are fixedly connected with the left side and the right side of the inner wall of the sliding groove (20) respectively.

6. A universal function linear bearing as claimed in claim 1, wherein: one sides of the two first sliding blocks (19) close to each other are fixedly connected with the left end and the right end of a second spring (18) respectively, and the second spring (18) is sleeved in an inner cavity of the sliding groove (20) in a sliding manner.

7. A universal function linear bearing as claimed in claim 1, wherein: the left side and the right side of the bottom end of the base (1) are fixedly connected with the top ends of fixing plates (16) respectively, and the two fixing plates (16) are in threaded sleeve connection and penetrate through one ends of limiting bolts (15) respectively.

8. A universal function linear bearing as claimed in claim 7, wherein: two one end that spacing bolt (15) are close to each other rotates respectively and connects splint (17) one side center department, two splint (17) lateral wall has evenly inlayed a plurality of mounting holes (21) respectively.

9. A universal function linear bearing as claimed in claim 8, wherein: two splint (17) top center department is fixed connection stopper (14) bottom respectively, two stopper (14) slide respectively and cup joint at spacing groove (13) inner chamber, two spacing groove (13) level respectively inlays in base (1) bottom left and right sides center department.

10. A universal function linear bearing as claimed in claim 1, wherein: the top end of the supporting plate (12) is fixedly connected with the left side and the right side of the outer wall of the bearing sleeve (8).

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