CN216111748U - Linear guide rail - Google Patents
Linear guide rail Download PDFInfo
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- CN216111748U CN216111748U CN202122807089.0U CN202122807089U CN216111748U CN 216111748 U CN216111748 U CN 216111748U CN 202122807089 U CN202122807089 U CN 202122807089U CN 216111748 U CN216111748 U CN 216111748U
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- China
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- linear guide
- guide rail
- rail body
- oil storage
- dovetail
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Abstract
The utility model relates to a linear guide device, in particular to a linear guide rail, which comprises a linear guide rail body and a sliding block assembled with the linear guide rail body in a sliding manner, wherein the middle parts of two sides of the linear guide rail body are respectively provided with an inwards concave trapezoidal sliding groove, the middle of the top of the linear guide rail body is provided with an inwards concave dovetail sliding groove, two sides of the top of the linear guide rail body are respectively provided with a protruding tooth-shaped matching part, the top of the linear guide rail body is provided with two mutually parallel first guide rail planes, the bottom of the dovetail sliding groove is provided with a second guide rail plane, the bottom of the sliding block is provided with a sliding groove matched with the linear guide rail body, two sides in the sliding groove are respectively provided with a trapezoidal convex block matched with the trapezoidal sliding groove, and the top in the sliding groove is provided with a dovetail convex block matched with the dovetail sliding groove. The utility model can form a unique connecting structure, not only has better connecting effect between the sliding block and the linear guide rail body, but also can ensure that the sliding block can slide on the linear guide rail body more stably, and can better meet the actual requirement.
Description
Technical Field
The utility model relates to the technical field of linear guide devices, in particular to a linear guide rail.
Background
The linear guide serves as one of the core components of the device, and its function is to guide and support. In order to ensure higher machining precision of the machine, the linear guide rail is required to have higher guiding precision and good motion stability. The technology of linear guides is particularly widespread, for example: precision metrology instruments, CNC machines, robotic arms, medical equipment, construction equipment, automation equipment, and the like. The linear guide rail is widely applied to linear motion bodies on automation equipment, construction equipment and precision machinery.
The structural design of the linear guide rail in the prior art is generally single, the connection between the sliding block and the linear guide rail is often not firm enough, and the sliding effect between the sliding block and the linear guide rail is often not good enough, so that the actual requirement can not be well met. The present invention improves upon the above-mentioned deficiencies.
Disclosure of Invention
In order to overcome the defects of the background art, the utility model provides the linear guide rail, a unique connecting structure can be formed by arranging the dovetail sliding groove and the two trapezoidal sliding grooves, so that the sliding block and the linear guide rail body have better connecting effect, and can slide on the linear guide rail body more stably, and the actual requirements can be better met.
The technical scheme adopted by the utility model is as follows: a linear guide rail comprises a linear guide rail body and a sliding block assembled with the linear guide rail body in a sliding mode, wherein a trapezoidal sliding groove which is inwards concave is respectively formed in the middle of each of two sides of the linear guide rail body, a dovetail sliding groove which is inwards concave is formed in the middle of the top of the linear guide rail body, a protruding tooth-shaped matching portion is respectively formed on each of two sides of the top of the linear guide rail body, two first guide rail planes which are parallel to each other are formed at the top of the linear guide rail body, a second guide rail plane is formed at the bottom of the dovetail sliding groove, a sliding groove which is matched with the linear guide rail body is formed in the bottom of the sliding block, a trapezoidal protruding block which is matched with the trapezoidal sliding groove is respectively formed on each of two sides in the sliding groove, and a dovetail protruding block which is matched with the dovetail sliding groove is formed at the top of the sliding groove.
Preferably, the upper side and the lower side of the tooth-shaped matching part are respectively provided with an inward concave arc-shaped groove.
Preferably, be equipped with a plurality of first oil storage tanks along linear guide body length direction on the first guide plane, a plurality of first oil storage tanks are parallel to each other and equidistant range, be equipped with a plurality of second oil storage tanks along linear guide body length direction on the second guide plane, a plurality of second oil storage tanks are parallel to each other and equidistant range, first oil storage tank and second oil storage tank are tiny recess.
Preferably, the first oil storage groove and the second oil storage groove are semicircular in cross section.
Preferably, two ends of the sliding block are respectively and fixedly provided with an end cover, and the end parts of the two end covers are connected with oil nozzles.
Preferably, the end part of the end cover far away from the sliding block is fixedly provided with an oil scraping sheet.
Preferably, the bottom of the linear guide rail body is uniformly provided with a plurality of mounting threaded holes.
Preferably, a plurality of fixing threaded holes are formed in the top of the sliding block.
In conclusion, the beneficial effects of the utility model are as follows:
1. when the device is installed and used, the top of the linear guide rail body is clamped into the sliding groove at the bottom of the sliding block, the dovetail convex blocks on the sliding block are just clamped into the dovetail sliding grooves at the top of the linear guide rail body, the two trapezoidal convex blocks on the sliding block are respectively clamped into the trapezoidal sliding grooves at two sides of the linear guide rail body, a clamping groove is respectively formed between each dovetail convex block and each trapezoidal convex block at two sides, the two clamping grooves are respectively clamped at two ends of the top of the linear guide rail body, the tooth-shaped matching parts at two sides can well play a role in transverse supporting and limiting, and the first guide rail plane and the second guide rail plane can well play a role in longitudinal supporting and limiting, the dovetail sliding grooves and the two trapezoidal sliding grooves form a unique connecting structure, so that the sliding block and the linear guide rail body have a better connecting effect, and the sliding block can slide on the linear guide rail body more stably, and the actual requirements can be better met;
2. the dovetail sliding groove is arranged, so that a second guide rail plane can be well formed at the bottom of the dovetail sliding groove, the plane area of the top of the linear guide rail body can be increased by forming the second guide rail plane, the dovetail sliding groove not only can better support the sliding block, but also is beneficial to arranging more tiny oil storage grooves, lubricating oil is sprayed and smeared on the linear guide rail body when the dovetail sliding groove is used, a plurality of tiny first oil storage grooves are arranged on the first guide rail plane, and a plurality of tiny second oil storage grooves are arranged on the second guide rail plane and can be used for collecting and storing trace lubricating oil, so that the lubricating oil can be better dispersed between the sliding block and the linear guide rail body, the lubricating effect is enhanced, and the sliding block can better slide on the linear guide rail body;
3. the top surface of linear guide body does not set up the mounting hole that is used for the installation, shifts the mounting hole to the bottom of linear guide body, has set up the installation screw hole promptly in the bottom of linear guide body, adopts this kind of design can set up the forked tail spout of indent better at linear guide body top to also can conveniently install from the bottom surface during the installation of linear guide body.
The utility model is further described with reference to the following figures and detailed description.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic side view of the present invention;
FIG. 4 is a schematic view, partially in section, of the present invention with the slider mounted on the linear guide body;
FIG. 5 is an enlarged view of a portion of FIG. 4 at A;
the drawing marks comprise 1-a linear guide rail body, 2-a slide block, 3-a trapezoidal sliding groove, 4-a dovetail sliding groove, 5-a tooth-shaped matching part, 6-a first guide rail plane, 7-a second guide rail plane, 8-a trapezoidal bump, 9-a dovetail bump, 10-an arc groove, 11-a first oil storage tank, 12-a second oil storage tank, 13-an end cover, 14-an oil nozzle, 15-an oil scraping sheet, 16-a mounting threaded hole and 17-a fixing threaded hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 5 in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and 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 invention.
In order to make the implementation objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be described in more detail below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1 to 5, the linear guide disclosed in this embodiment comprises a linear guide body 1 and a slider 2 slidably fitted to the linear guide body 1, the middle parts of two sides of the linear guide rail body 1 are respectively provided with an inwards concave trapezoidal sliding chute 3, the middle part of the top of the linear guide rail body 1 is provided with an inwards concave dovetail sliding chute 4, two sides of the top of the linear guide rail body 1 are respectively provided with a protruding tooth-shaped matching part 5, the top of the linear guide rail body 1 forms two first guide rail planes 6 which are parallel to each other, the bottom of the dovetail chute 4 forms a second guide rail plane 7, the bottom of slider 2 have with the sliding tray of 1 looks adaptation of linear guide body, both sides in the sliding tray respectively establish one with trapezoidal lug 8 of 3 adaptations of trapezoidal spout, the top in the sliding tray be equipped with dovetail lug 9 of 4 adaptations of dovetail spout. In the technical scheme, when the connecting structure is installed and used, the top of the linear guide rail body 1 is clamped into the sliding groove at the bottom of the sliding block 2, the dovetail convex blocks 9 on the sliding block 2 are just clamped into the dovetail sliding grooves 4 at the top of the linear guide rail body 1, the two trapezoidal convex blocks 8 on the sliding block 2 are respectively clamped into the trapezoidal sliding grooves 3 at two sides of the linear guide rail body 1, a clamping groove is respectively formed between each dovetail convex block 9 and each trapezoidal convex block 8 at two sides, the two clamping grooves are respectively clamped at two ends at the top of the linear guide rail body 1, the tooth-shaped matching parts 5 at two sides can well play a transverse supporting and limiting role, the first guide rail plane 6 and the second guide rail plane 7 can well play a longitudinal supporting and limiting role, a unique connecting structure can be formed by arranging the dovetail sliding grooves 4 and the two trapezoidal sliding grooves 3, so that the better connecting effect is achieved between the sliding block 2 and the linear guide rail body 1, and the sliding block 2 can slide on the linear guide rail body 1 more stably, so that the actual requirements can be better met.
Preferably, the upper side and the lower side of the tooth-shaped matching part 5 are respectively provided with an arc-shaped groove 10 which is inwards concave. In this embodiment, the upper and lower sides of the tooth-shaped engaging portion 5 are respectively provided with an inwardly concave arc-shaped groove 10, so that the contact area between the slider 2 and the linear guide rail body 1 can be effectively increased, and the slider 2 can be more stably slid on the linear guide rail body 1. During specific implementation, balls and ball retainers can be additionally arranged at the arc-shaped grooves 10 at the upper side and the lower side, the sliding block 2 can better slide on the linear guide rail body 1 by additionally arranging the balls between the sliding block 2 and the linear guide rail body 1, and the arrangement and installation of the balls and the ball retainers can refer to the prior art and are not further described herein.
As a preferred technical scheme, be equipped with a plurality of first oil storage tanks 11 along linear guide body 1 length direction on first guide plane 6, a plurality of first oil storage tanks 11 are parallel to each other and equidistant range, be equipped with a plurality of second oil storage tanks 12 along linear guide body 1 length direction on second guide plane 7, a plurality of second oil storage tanks 12 are parallel to each other and equidistant range, first oil storage tank 11 and second oil storage tank 12 are small recess. In this embodiment, set up dovetail groove 4 and can form second guide rail plane 7 in its bottom well, can increase the plane area at 1 top of linear guide body through forming second guide rail plane 7, can not only support slider 2 better, still be favorable to setting up more little oil storage tanks, spray on the linear guide body 1 during the use and scribble lubricating oil, set up a plurality of little first oil storage tanks 11 on the first guide rail plane 6, it can assemble and store minute lubricating oil to set up a plurality of little second oil storage tanks 12 homoenergetic on the second guide rail plane 7, can make lubricating oil disperse between slider 2 and linear guide body 1 better, the lubrication effect has been strengthened, and then just it slides on linear guide body 1 better to do benefit to slider 2. The quantity and the density of the first oil storage tank 11 and the second oil storage tank 12 can be adjusted according to actual working conditions during specific implementation, so that a better lubricating effect is achieved.
Preferably, the first oil reservoir 11 and the second oil reservoir 12 are both semicircular in cross section. In this embodiment, the cross-sections of the first oil storage tank 11 and the second oil storage tank 12 are both semicircular, which is not only convenient for practical processing, but also can well collect and store a small amount of lubricating oil and enhance the lubricating effect between the sliding block 2 and the linear guide rail body 1.
As a preferable technical solution, two ends of the slider 2 are respectively and fixedly provided with an end cover 13, and end portions of the two end covers 13 are both connected with oil nozzles 14. In this embodiment, the tip at slider 2 is installed to end cover 13, be provided with the glib talker 14 that is used for spraying lubricating oil on end cover 13, glib talker 14 of slider 2 one side is located the top of a first guide rail plane 6 in this implementation, glib talker 14 of slider 2 opposite side is located the top of another first guide rail plane 6, can spray lubricating oil to the top of linear guide body 1 better through adopting the design of two glib talkers 14, can be favorable to obtaining better lubricated effect, and then make slider 2 slide on linear guide body 1 better. In the specific implementation, the shape of the end cover 13 is consistent with that of the end part of the sliding block 2, and the position and the orientation of the oil nozzle 14 can be adjusted according to the actual requirements, for example: the oil nozzle 14 on one side of the sliding block 2 is positioned on the top of the first guide rail plane 6, and the oil nozzle 14 on the other side of the sliding block 2 is positioned on the top of the second guide rail plane 7, so that lubricating oil can be well sprayed to the top of the linear guide rail body 1. The end cap 13 and the oil nipple 14 are referred to the prior art and will not be further described.
Preferably, an end of the end cap 13 away from the slider 2 is fixedly provided with an oil scraping sheet 15. In this embodiment, set up scraper 15 through end cover 13 tip and can disperse the lubricating oil that glib 14 sprayed linear guide body 1 top well, can make lubricating oil be smeared on first guide plane 6 and second guide plane 7 better, also can make lubricating oil disperse in each small oil storage tank better, can be favorable to strengthening lubricated effect, and then can make slider 2 slide on linear guide body 1 better. In specific implementation, the shape of the oil scraping sheet 15 is consistent with that of the end part of the sliding block 2, so that the oil scraping sheet 15 can scrape lubricating oil conveniently. The scraper blade 15 is referred to the prior art and will not be further described here.
Preferably, the bottom of the linear guide body 1 is uniformly provided with a plurality of mounting threaded holes 16. In this embodiment, because the top of the linear guide rail body 1 is provided with the dovetail chute 4 which is concave inwards, the top surface of the linear guide rail body 1 is not provided with a mounting hole for mounting, the mounting hole is transferred to the bottom of the linear guide rail body 1 in this embodiment, namely, the mounting threaded hole 16 is arranged at the bottom of the linear guide rail body 1, and by adopting the design, the linear guide rail body 1 can be conveniently mounted from the bottom surface during mounting. During specific implementation, the effective length of the installation threaded hole 16 is about half of the height of the linear guide rail body 1, preferably half of the height, so that the dovetail chute 4 is convenient to arrange, and the linear guide rail body 1 can be firmly fixed.
Preferably, a plurality of fixing threaded holes 17 are formed in the top of the sliding block 2. In this embodiment, two fixing threaded holes 17 are respectively established to slider 2 top both sides, can be convenient for fixed mounting need the spare part of installation through setting up fixing threaded holes 17, can make spare part follow slider 2 well and move together.
The fixing manner or the fixing connection manner that is not described in this embodiment may be a threaded connection, and other existing connection manners may also be adopted according to a specific position, and the threaded connection belongs to the prior art, and is not specifically described here.
The parts not referred to in the present embodiment are the same as or can be implemented by the prior art, and will not be further described here.
The skilled person should understand that: although the present invention has been described in terms of the above embodiments, the inventive concept is not limited to this embodiment, and any modification which uses the inventive concept is intended to be included within the scope of the appended claims.
Claims (8)
1. A linear guide rail, characterized in that: the dovetail guide rail comprises a linear guide rail body and a sliding block assembled with the linear guide rail body in a sliding mode, wherein trapezoidal sliding grooves which are inwards concave are respectively formed in the middle parts of the two sides of the linear guide rail body, dovetail sliding grooves which are inwards concave are formed in the middle of the top of the linear guide rail body, protruding tooth-shaped matching portions are respectively formed in the two sides of the top of the linear guide rail body, two first guide rail planes which are parallel to each other are formed in the top of the linear guide rail body, a second guide rail plane is formed in the bottom of each dovetail sliding groove, sliding grooves matched with the linear guide rail body are formed in the bottom of the sliding block, trapezoidal convex blocks matched with the trapezoidal sliding grooves are respectively formed in the two sides of the sliding grooves, and dovetail convex blocks matched with the dovetail sliding grooves are arranged at the top of the sliding grooves.
2. A linear guide according to claim 1, wherein: the upper side and the lower side of the tooth-shaped matching part are respectively provided with an arc-shaped groove which is inwards concave.
3. A linear guide according to claim 2, wherein: be equipped with a plurality of first oil storage tanks along linear guide body length direction on the first guide plane, a plurality of first oil storage tanks are parallel to each other and equidistant range, be equipped with a plurality of second oil storage tanks along linear guide body length direction on the second guide plane, a plurality of second oil storage tanks are parallel to each other and equidistant range, first oil storage tank and second oil storage tank are tiny recess.
4. A linear guide according to claim 3, wherein: the cross sections of the first oil storage tank and the second oil storage tank are semicircular.
5. A linear guide according to any one of claims 1 to 4, wherein: the two ends of the sliding block are respectively fixedly provided with an end cover, and the end parts of the two end covers are connected with oil nozzles.
6. A linear guide according to claim 5, wherein: and an oil scraping sheet is fixedly arranged at the end part of the end cover far away from the sliding block.
7. A linear guide according to claim 6, wherein: the bottom of linear guide body is equipped with a plurality of installation screw holes uniformly.
8. A linear guide according to claim 7, wherein: the top of slider is equipped with a plurality of fixed screw holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122807089.0U CN216111748U (en) | 2021-11-16 | 2021-11-16 | Linear guide rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122807089.0U CN216111748U (en) | 2021-11-16 | 2021-11-16 | Linear guide rail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216111748U true CN216111748U (en) | 2022-03-22 |
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ID=80717078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122807089.0U Active CN216111748U (en) | 2021-11-16 | 2021-11-16 | Linear guide rail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216111748U (en) |
-
2021
- 2021-11-16 CN CN202122807089.0U patent/CN216111748U/en active Active
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