CN215058905U - Linear guide rail convenient to automatically regulated clearance - Google Patents
Linear guide rail convenient to automatically regulated clearance Download PDFInfo
- Publication number
- CN215058905U CN215058905U CN202120562095.1U CN202120562095U CN215058905U CN 215058905 U CN215058905 U CN 215058905U CN 202120562095 U CN202120562095 U CN 202120562095U CN 215058905 U CN215058905 U CN 215058905U
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- Prior art keywords
- guide rail
- sliding block
- fixedly connected
- rail
- groove
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- 230000001105 regulatory effect Effects 0.000 title claims abstract description 9
- 239000000872 buffer Substances 0.000 claims abstract description 16
- 230000000694 effects Effects 0.000 claims description 5
- 230000035939 shock Effects 0.000 abstract description 5
- 238000013016 damping Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 4
- 239000006096 absorbing agent Substances 0.000 abstract 1
- 238000010521 absorption reaction Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 230000008602 contraction Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The utility model discloses a linear guide convenient to automatically regulated clearance relates to linear guide technical field, including the guide rail: the lower end of the guide rail is fixedly connected with a bottom plate, the bottom end of the interior of the guide rail is provided with a groove, the upper end of the interior of the groove is fixedly connected with a plurality of spring damping rods, a lower rail is fixedly connected between the upper ends of the spring damping rods and movably connected with the groove, the left side and the right side of the interior of the guide rail are fixedly connected with side rails, the upper end of the interior of the guide rail is provided with a sliding block, the upper end of the sliding block is fixedly connected with a mounting plate, the bottom end of the sliding block is movably connected with a lower ball, and the middle parts of the left side and the right side of the sliding block are provided with buffer cavities; through setting up back force spring and spring shock absorber pole, reduced the production of moment of torsion power, improved the life of sliding block and guide rail, and prevented that sliding block and guide rail from producing the clearance, reduced and rocked, stability when improving the slip, and be convenient for dismantle the maintenance with the sliding block through setting up connecting rod and gear.
Description
Technical Field
The utility model relates to a linear guide technical field especially relates to a linear guide convenient to automatically regulated clearance.
Background
The linear guide rail can be divided into: the linear guide rail can be divided into a sliding friction guide rail, a rolling friction guide rail, an elastic friction guide rail, a fluid friction guide rail and the like, and the linear guide rail is also called a linear rail, a slide rail, a linear guide rail and a linear slide rail, is used for linear reciprocating occasions, can bear certain torque, and can realize high-precision linear motion under the condition of high load.
Present linear guide, when the sliding block slides on the guide rail, a great moment of torsion is applyed to the guide rail easily during the sliding block atress slope, thereby lead to the life decline of sliding block and guide rail, and the sliding block produces the clearance when sliding easily and between the guide rail, will lead to ball and guide rail to produce the separation this moment, lead to the sliding block to rock when sliding, and make the sliding block stable inadequately when sliding, and the sliding block is difficult for dismantling from the guide rail and maintain, for this reason, we provide a linear guide convenient to automatically regulated clearance, in order to solve the above-mentioned technical problem who provides.
SUMMERY OF THE UTILITY MODEL
The utility model provides a linear guide convenient to automatically regulated clearance to solve the sliding block that above-mentioned background art provided and apply great torsional forces to the guide rail easily, reduced the life of sliding block and guide rail, and the sliding block produces the clearance and rocks when sliding, and the difficult problem of dismantling the maintenance etc. of sliding block.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a linear guide rail for facilitating automatic gap adjustment, comprising: the lower end of the guide rail is fixedly connected with a bottom plate, the bottom end in the guide rail is provided with a groove, the upper end in the groove is fixedly connected with a plurality of spring shock-absorbing rods, a lower rail is fixedly connected between the upper ends of the spring shock-absorbing rods, the lower rail is movably connected with the groove, the left side and the right side in the guide rail are both fixedly connected with side rails, the upper end in the guide rail is provided with a sliding block, the upper end of the sliding block is fixedly connected with a mounting plate, the bottom end of the sliding block is movably connected with lower balls, the middle parts of the left side and the right side of the sliding block are both provided with buffer cavities, the outer side of the inner part of each buffer cavity is both slidably connected with a concave rail, the outer side of each concave rail is both movably connected with side balls, the inner side of each concave rail is fixedly connected with a movable rod, the periphery of the tail end of each movable rod is sleeved with a sleeve, and the inner part of the sleeve is fixedly connected with a return spring, the utility model discloses a sliding block, including the sliding block, the sliding block is connected with the movable rod, the terminal end of return spring and movable rod fixed connection, just inside the opening of movable rod has movable chamber, the inside swing joint of movable chamber has the connecting rod, just the connecting rod end runs through out the movable rod, the terminal fixedly connected with connecting block of connecting rod, just the cavity has all been opened to the inside left and right sides of sliding block, just the equal fixedly connected with movable block in the connecting block outside, a plurality of tooth's socket has all been opened to the movable block upper end, just the equal threaded connection gear in sliding block front end left and right sides, the gear is connected with the tooth's socket meshing, just the movable groove has all been opened to the upper end of the sliding block left and right sides, concave rail upper end fixedly connected with stopper, just the spacing groove has all been opened to the guide rail upper end left and right sides.
Further, the lower ends of the lower balls are in contact with the upper end of the lower track, the lower track is arranged in a concave shape, the side balls are in contact with the side tracks, and the contact surfaces of the side tracks and the side balls are arc-shaped.
Furthermore, the movable rod is movably connected with the sleeve, the tail end of the connecting rod penetrates into the cavity, and the connecting rod is movably connected with the cavity.
Furthermore, the front end of the cavity is an opening end, and the connecting block extends out of the front end of the cavity and is movably connected with the cavity.
Further, two the guide slot that link up about all opening of activity groove lower extreme, just the stopper extends to the activity inslot through the guide slot, the stopper upper end outside alternates to the spacing inslot to the stopper does not contact with the spacing groove.
Compared with the prior art, the utility model discloses the beneficial effect who realizes:
the friction between the sliding block and the guide rail is reduced by arranging the side balls and the lower balls, the stability of the sliding block during sliding is improved by arranging the spring shock absorption rod and the buffer property of the return spring, the torque force of the sliding block to the guide rail is reduced, thereby prolonging the service life of the guide rail and the sliding block, and being convenient for automatically applying an outward tension to the lateral ball through the better resetting performance of the return spring, thereby being beneficial to the contact of the side ball and the side track all the time so as to avoid the clearance between the side ball and the guide rail, thereby preventing the sliding block from shaking due to the clearance when the sliding block slides, further improving the stability of the sliding block when the sliding block slides, facilitating the contraction of the concave rail and the side roller into the buffer cavity through the rotation of the gear, therefore, the sliding block is convenient to detach from the guide rail, the maintenance of the sliding block is facilitated, and the sliding block is prevented from derailing when sliding through the limiting blocks and the limiting grooves.
Drawings
Fig. 1 is a schematic view of the overall internal structure of the present invention;
fig. 2 is a schematic diagram of the overall external structure of the present invention.
In FIGS. 1-2: the device comprises a guide rail 1, a sliding block 2, a mounting plate 3, a side rail 4, a movable groove 5, a limiting block 6, a limiting groove 7, a side ball 8, a concave rail 9, a bottom plate 10, a buffer cavity 11, a movable rod 12, a movable cavity 13, a connecting rod 14, a sleeve 15, a return spring 16, a lower ball 17, a lower rail 18, a spring damping rod 19, a groove 20, a cavity 21, a connecting block 22, a movable block 23, a gear 24 and a tooth groove 25.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
Please refer to fig. 1 to 2:
the utility model provides a linear guide convenient to automatically regulated clearance, including guide rail 1, carry out the detailed description below to each part of a linear guide convenient to automatically regulated clearance:
the lower end of the guide rail 1 is fixedly connected with a bottom plate 10, the bottom end in the guide rail 1 is provided with a groove 20, the upper end in the groove 20 is fixedly connected with a plurality of spring shock-absorbing rods 19, the upper ends of the spring shock-absorbing rods 20 are fixedly connected with a lower rail 18, the lower rail 18 is movably connected with the groove 20, the left side and the right side in the guide rail 1 are both fixedly connected with side rails 4, the upper end in the guide rail 1 is provided with a sliding block 2, the upper end of the sliding block 2 is fixedly connected with a mounting plate 3, the bottom end of the sliding block 2 is movably connected with a lower ball 17, the middle parts of the left side and the right side of the sliding block 2 are both provided with buffer cavities 11, the outer side in the buffer cavities 11 is both slidably connected with concave rails 9, the outer sides of the concave rails 9 are both movably connected with side balls 8, the inner sides of the concave rails 9 are both fixedly connected with movable rods 12, the tail ends of the movable rods 12 are sleeved with sleeves 15, a return spring 16 is fixedly connected inside the sleeve 15, the tail end of the return spring 16 is fixedly connected with the movable rod 12, a movable cavity 13 is formed inside the movable rod 12, a connecting rod 14 is movably connected inside the movable cavity 13, the lower end of the lower ball 17 is in contact with the upper end of the lower rail 18, the lower rail 18 is arranged in a concave shape, the side ball 8 is in contact with the side rail 4, the contact surface between the side rail 4 and the side ball 8 is in an arc shape, the movable rod 12 is movably connected with the sleeve 15, the tail end of the connecting rod 14 penetrates into the cavity 21, and the connecting rod 14 is movably connected with the cavity 21;
specifically, the sliding block 2 slides on the guide rail 1 through the lower ball 17 and the side ball 8, the side ball 8 and the lower ball 17 reduce friction with the guide rail 1, the contact surface between the side rail 4 and the side ball 8 is arc-shaped, the side ball 8 is prevented from being separated from the side rail 4, the contact surface between the lower rail 18 and the lower ball 17 is concave, the lower ball 17 is prevented from being separated from the lower rail 18, when the sliding block 2 is subjected to a large vibration, the sliding block 2 presses the lower rail 18 through the lower ball 17, the spring shock absorption rod 19 is pressed by the lower rail 18, meanwhile, the elasticity of the spring shock absorption rod 19 buffers the lower rail 18, and the elasticity of the return spring 16 exerts a buffer force on the movable rod 12, so that the stability of the sliding block 2 during sliding is improved through the buffer performance of the spring shock absorption rod 19 and the return spring 16, and the torque force of the sliding block 2 on the guide rail 1 is reduced, thereby prolonging the service life of the guide rail 1 and the sliding block 2, and leading the return spring 16 to be always in an extrusion state in the initial state of the sleeve 15, therefore, through the better resetting performance of the return spring 16, the return spring 16 exerts a tension outwards, this tension then pushes the movable rod 12 outwards, and causes the movable rod 12 to apply this tension to the groove rail 9 and the side ball 8, when the side balls 8 are in clearance with the side rails 4, the tension forces now facilitate automatically bringing the side balls 8 closer to and thereby the side rails 4, therefore, the side ball 8 is always in contact with the side rail 4, so that the side ball 8 and the side rail 4 are prevented from generating a gap, thereby preventing the sliding block 2 from shaking due to the clearance when sliding, further improving the stability of the sliding block 2 when sliding, the mounting plate 3 is convenient for mounting a structure needing sliding, and the bottom plate 10 is fixed on the ground through screws;
the tail end of the connecting rod 14 penetrates through the movable rod 12, the tail end of the connecting rod 14 is fixedly connected with a connecting block 22, cavities 21 are formed in the left side and the right side of the inner portion of the sliding block 2, the outer side of the connecting block 22 is fixedly connected with a movable block 23, a plurality of tooth grooves 25 are formed in the upper end of the movable block 23, gears 24 are in threaded connection with the left side and the right side of the front end of the sliding block 2, the gears 24 are in meshed connection with the tooth grooves 25, movable grooves 5 are formed in the upper ends of the left side and the right side of the sliding block 2, a limiting block 6 is fixedly connected to the upper end of the concave rail 9, limiting grooves 7 are formed in the left side and the right side of the upper end of the guide rail 1, the front end of each cavity 21 is an open end, the connecting block 22 extends out of the front end of each cavity 21 and is movably connected with the connecting block 22, and the lower ends of the two movable grooves 5 are provided with a guide groove which is through up and down, the limiting block 6 extends into the movable groove 5 through the guide groove, the outer side of the upper end of the limiting block 6 is inserted into the limiting groove 7, and the limiting block 6 is not contacted with the limiting groove 7;
further, the two gears 24 are sequentially rotated by a wrench, and the gears 24 drive the movable block 23 and the connecting block 22 to move towards the inner side of the cavity 21 through the tooth grooves 25, at this time, the connecting block 22 will pull the connecting rod 14, the connecting rod 14 will drive the concave rail 9 and the side balls 8 to shrink towards the inside of the buffer cavity 11 through the movable rod 12, until the two side balls 8 all shrink into the buffer cavity 11 completely, at the same time, the limiting block 6 will shrink towards the movable groove 5 along with the concave rail 9, and the limiting block 6 is separated from the limiting groove 7, because the limiting groove 7 is not in contact with the limiting block 6, the limiting block 6 will not affect the buffer performance of the spring damping rod 19 and the return spring 16, and then the sliding block 2 is pulled upwards, thereby the sliding block 2 is convenient to be detached from the guide rail 1, the maintenance of the sliding block 2 is convenient, and by arranging the limiting block 6 and the limiting groove 7, the sliding block 2 is prevented from derailing while sliding.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (5)
1. The utility model provides a linear guide convenient to automatically regulated clearance, includes guide rail (1), its characterized in that:
the lower end of the guide rail (1) is fixedly connected with a bottom plate (10), a groove (20) is formed in the bottom inside the guide rail (1), a plurality of spring shock-absorbing rods (19) are fixedly connected to the upper end inside the groove (20), a lower rail (18) is fixedly connected between the upper ends of the spring shock-absorbing rods (20), the lower rail (18) is movably connected with the groove (20), side rails (4) are fixedly connected to the left side and the right side inside the guide rail (1), a sliding block (2) is arranged at the upper end inside the guide rail (1), a mounting plate (3) is fixedly connected to the upper end of the sliding block (2), lower balls (17) are movably connected to the bottom end of the sliding block (2), buffer cavities (11) are formed in the middle parts of the left side and the right side of the sliding block (2), and concave rails (9) are slidably connected to the outer sides inside the buffer cavities (11), the outer side of the concave rail (9) is movably connected with a side ball (8), the inner side of the concave rail (9) is fixedly connected with a movable rod (12), the end periphery of the movable rod (12) is sleeved with a sleeve (15), the inside of the sleeve (15) is fixedly connected with a return spring (16), the end of the return spring (16) is fixedly connected with the movable rod (12), a movable cavity (13) is formed inside the movable rod (12), the inside of the movable cavity (13) is movably connected with a connecting rod (14), the end of the connecting rod (14) penetrates through the movable rod (12), the end of the connecting rod (14) is fixedly connected with a connecting block (22), the left side and the right side of the inside of the sliding block (2) are respectively provided with a cavity (21), the outer side of the connecting block (22) is fixedly connected with a movable block (23), the upper end of the movable block (23) is respectively provided with a plurality of tooth grooves (25), just sliding block (2) the equal threaded connection gear of the left and right sides of front end (24), gear (24) are connected with tooth's socket (25) meshing, just movable groove (5) have all been opened to the upper end of the sliding block (2) the left and right sides, concave rail (9) upper end fixedly connected with stopper (6), just guide rail (1) upper end left and right sides all opens spacing groove (7).
2. A linear guide rail facilitating automatic gap adjustment according to claim 1, wherein: the lower end of the lower ball (17) is in contact with the upper end of the lower track (18), the lower track (18) is arranged in a concave shape, the side ball (8) is in contact with the side track (4), and the contact surface of the side track (4) and the side ball (8) is in an arc shape.
3. A linear guide rail facilitating automatic gap adjustment according to claim 1, wherein: the movable rod (12) is movably connected with the sleeve (15), the tail end of the connecting rod (14) penetrates into the cavity (21), and the connecting rod (14) is movably connected with the cavity (21).
4. A linear guide rail facilitating automatic gap adjustment according to claim 3, wherein: the front end of the cavity (21) is an opening end, the connecting block (22) extends out of the front end of the cavity (21) and is movably connected with the cavity (21) through the connecting block (22).
5. A linear guide rail facilitating automatic gap adjustment according to claim 1, wherein: two the guide slot that link up about all opening of activity groove (5) lower extreme has, just stopper (6) extend to in activity groove (5) through the guide slot, stopper (6) upper end outside alternates to in spacing groove (7) to stopper (6) do not contact with spacing groove (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120562095.1U CN215058905U (en) | 2021-03-18 | 2021-03-18 | Linear guide rail convenient to automatically regulated clearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120562095.1U CN215058905U (en) | 2021-03-18 | 2021-03-18 | Linear guide rail convenient to automatically regulated clearance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215058905U true CN215058905U (en) | 2021-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120562095.1U Expired - Fee Related CN215058905U (en) | 2021-03-18 | 2021-03-18 | Linear guide rail convenient to automatically regulated clearance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215058905U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114269089A (en) * | 2022-01-07 | 2022-04-01 | 徐微 | Protection device for information security level protection inspection equipment |
-
2021
- 2021-03-18 CN CN202120562095.1U patent/CN215058905U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114269089A (en) * | 2022-01-07 | 2022-04-01 | 徐微 | Protection device for information security level protection inspection equipment |
| CN114269089B (en) * | 2022-01-07 | 2023-08-22 | 北京汇志凌云数据技术有限责任公司 | Protection device for information security level protection check-out set |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211207 |