Self-lubricating sliding block for linear sliding rail

Abstract

The utility model discloses a self-lubricating slider for a linear slide rail, which relates to the technical field of sliders and comprises a slider body and an oil outlet pipe, a first cavity is arranged inside the slider body, a fixing block is fixedly arranged at the lower end of the first cavity, second cavities are arranged inside two ends of the fixing block, and the first cavity and the second cavity are communicated with each other. Pistons are slidably arranged in the second cavities, the sides, away from the two pistons, in the two second cavities are filled with lubricating oil, the two oil outlet pipes are fixedly arranged at the two ends of the upper side of the fixing block correspondingly, and the lower ends of the two oil outlet pipes extend into the corresponding second cavities. The two sides of the sliding block body are each provided with a plurality of oil outlet holes, and the positions, corresponding to the oil outlet holes, of the pipe wall of the oil outlet pipe communicate with one another and are fixedly provided with a plurality of branch pipes. The sliding block can be automatically lubricated, manual operation is not needed, and time and labor are saved.

Description

Technical Field

[0001] The utility model relates to the technical field of slide blocks, in particular to a self-lubricating slide block for a linear slide rail. Background Art

[0002] Currently, most of the sliders that are compatible with linear slide rails are equipped with self-lubricating oil filling holes on the mating surface with the top surface of the slide rail. Lubricating oil is added to the top surface of the slide rail through the connection with the oil filling pipe to reduce the running resistance of the slider and reduce the wear between the slider and the slide rail during use.

[0003] The lubricating oil of the slider of the traditional linear guide rail usually needs to be manually added, which is very cumbersome and it is easy for people to forget to add it, causing the slider to wear more and reducing the service life of the slider. Utility Model Content

[0004] In view of the problems existing in the above-mentioned existing self-lubricating slider for linear slide rails, the present utility model is proposed.

[0005] Therefore, the purpose of the utility model is to provide a self-lubricating slider for a linear slide rail, which solves the problem in the prior art that the lubricating oil of the slider for the linear slide rail usually needs to be manually added, which is very cumbersome and it is easy for humans to forget to add oil, causing increased wear of the slider and reducing the service life of the slider.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A self-lubricating slider for a linear slide rail, comprising a slider body and an oil outlet pipe, wherein a first cavity is provided inside the slider body, a fixed block is fixedly provided at the lower end of the first cavity, second cavities are provided inside both ends of the fixed block, pistons are slidably provided inside the second cavity, the insides of the two second cavities and on the opposite sides of the two pistons are filled with lubricating oil, the two oil outlet pipes are fixedly provided at the upper ends of the fixed block, the lower ends of the two oil outlet pipes extend to the inside of the corresponding second cavity, a plurality of oil outlet holes are provided on both sides of the slider body, a plurality of branch pipes are connected and fixedly provided on the pipe wall of the oil outlet pipe and at positions corresponding to the plurality of oil outlet holes, and the plurality of branch pipes are inserted into the corresponding oil outlet holes;

[0008] A third cavity is provided in the middle of the fixing block, and a transmission mechanism for driving the pistons at both sides to move is arranged inside the third cavity.

[0009] Preferably, the transmission mechanism includes a threaded rod and a bidirectional internal threaded tube, the bidirectional internal threaded tube is rotatably arranged inside the third cavity, the two threaded rods are threadedly sleeved inside one end of the corresponding bidirectional internal threaded tube, one end of the two threaded rods extends to the inside of the corresponding second cavity and is fixedly connected to the corresponding piston, a fixed shell is fixedly arranged on the top inner wall of the first cavity, a transmission rod is rotatably arranged between the lower side of the fixed shell and the fixed block, a first bevel gear is fixedly sleeved on the middle end outer wall of the bidirectional internal threaded tube, the lower end of the transmission rod extends to the inside of the third cavity and is fixedly sleeved on the second bevel gear, the first bevel gear is meshed with the second bevel gear, a motor is fixedly arranged inside the fixed shell, and the output end of the motor is fixedly connected to one end of the transmission rod.

[0010] Preferably, the longitudinal sections of the piston and the second cavity on both sides are rectangular.

[0011] Preferably, outer walls of the plurality of branch pipes are provided with rubber pads.

[0012] Preferably, the surface of the slider body is coated with a wear-resistant coating.

[0013] Preferably, oil filling pipes with valves are fixedly provided at both ends of the front side of the slider body, and the rear ends of the two oil filling pipes extend to the inside of the corresponding second cavity.

[0014] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0015] The utility model drives the transmission rod to rotate by the motor, so that the transmission rod drives the second bevel gear to rotate, and the second bevel gear drives the first bevel gear to rotate, so that the bidirectional internal threaded tube rotates, and the bidirectional internal threaded tube drives two non-rotatable threaded rods to move, that is, it can drive two pistons to move, so that the pistons push the lubricating oil in the second cavity, so that part of the lubricating oil flows out from the oil outlet pipe to the surface of the slider body, that is, the slider body can be automatically lubricated, the operation is convenient, and time and labor are saved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0017] Figure 1 This is a structural schematic diagram of a self-lubricating slider for a linear slide rail proposed by the utility model;

[0018] Figure 2 for Figure 1A front cross-sectional structural schematic diagram of ;

[0019] Figure 3 for Figure 2 Schematic diagram of the enlarged structure of part A in the middle.

[0020] Description of reference numerals:

[0021] 1. Slider body; 2. Oil outlet pipe; 3. Branch pipe; 4. Fixed block; 5. Lubricating oil; 6. Fixed shell; 7. Motor; 8. Transmission rod; 9. Piston; 10. Two-way internal threaded pipe; 11. Threaded rod; 12. First bevel gear; 13. Second bevel gear; 14. Oil filling pipe. DETAILED DESCRIPTION

[0022] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0023] The utility model discloses a self-lubricating sliding block for a linear slide rail.

[0024] Reference Figure 1-3 A self-lubricating slider for a linear slide rail comprises a slider body 1 and an oil outlet pipe 2. A first cavity is provided inside the slider body 1. A fixing block 4 is fixedly provided at the lower end of the first cavity. A second cavity is provided inside both ends of the fixing block 4. A piston 9 is slidably provided inside the second cavity. The longitudinal sections of the pistons 9 on both sides and the second cavity are both rectangular, so that the piston 9 cannot rotate, that is, it can slide stably. The insides of the two second cavities and the sides opposite to the two pistons 9 are filled with lubricating oil 5. Two oil outlet pipes 2 are fixedly provided at the upper ends of the fixing block 4, respectively. The lower ends of the two oil outlet pipes 2 extend to the corresponding second cavities. Inside the two cavities, multiple oil outlet holes are opened on both sides of the slider body 1, and the surface of the slider body 1 is coated with a wear-resistant coating to improve the wear resistance of the slider body 1. Oil filling pipes 14 with valves are fixedly set at both ends of the front side of the slider body 1. The rear ends of the two oil filling pipes 14 extend to the inside of the corresponding second cavity, which is convenient for replenishing lubricating oil 5 into the second cavity. The pipe wall of the oil outlet pipe 2 and the positions corresponding to the multiple oil outlet holes are connected and fixedly provided with multiple branch pipes 3, and the multiple branch pipes 3 are inserted into the corresponding oil outlet holes. The outer walls of the multiple branch pipes 3 are provided with rubber pads to improve the sealing of the connection between the branch pipes 3 and the oil outlet holes.

[0025] Reference Figure 1-3A third cavity is provided in the middle of the fixed block 4, and a transmission mechanism for driving the pistons 9 on both sides to move is arranged inside the third cavity. The transmission mechanism includes a threaded rod 11 and a bidirectional internal threaded tube 10, and the bidirectional internal threaded tube 10 is rotatably arranged inside the third cavity. The two threaded rods 11 are threadedly sleeved inside one end of the corresponding bidirectional internal threaded tube 10, and one end of the two threaded rods 11 extends to the inside of the corresponding second cavity and is fixedly connected with the corresponding piston 9. A fixed shell 6 is fixedly arranged on the inner wall of the top end of the first cavity, and a transmission rod 8 is rotatably arranged between the lower side of the fixed shell 6 and the fixed block 4. A first bevel gear 12 is fixedly sleeved on the outer wall of the middle end of the bidirectional internal threaded tube 10, and the lower end of the transmission rod 8 extends to the inside of the third cavity and is fixedly sleeved with a second bevel gear 13. The first bevel gear 12 is meshed and connected with the second bevel gear 13. A motor 7 is fixedly arranged inside the fixed shell 6, and the output end of the motor 7 is fixedly connected to one end of the transmission rod 8.

[0026] In the utility model, when in use, the motor 7 drives the transmission rod 8 to rotate, so that the transmission rod 8 drives the second bevel gear 13 to rotate, and the second bevel gear 13 drives the first bevel gear 12 to rotate, that is, the bidirectional internal threaded tube 10 is rotated, and the bidirectional internal threaded tube 10 drives two non-rotatable threaded rods 11 to move, that is, it can drive the two pistons 9 to move, that is, the pistons 9 push the lubricating oil 5 in the second cavity, so that part of the lubricating oil 5 flows out from the oil outlet pipe 2 to the surface of the slider body 1, that is, the slider body 1 can be automatically lubricated, the operation is convenient, and time and labor are saved.

[0027] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A self-lubricating slider for a linear slide rail, comprising a slider body (1) and an oil outlet pipe (2), characterized in that: A first cavity is provided inside the slider body (1), a fixed block (4) is fixedly provided at the lower end of the first cavity, second cavities are provided inside both ends of the fixed block (4), pistons (9) are slidably provided inside the second cavity, the insides of the two second cavities and on the opposite sides of the two pistons (9) are filled with lubricating oil (5), the two oil outlet pipes (2) are respectively fixedly provided at the upper ends of the fixed block (4), the lower ends of the two oil outlet pipes (2) extend to the inside of the corresponding second cavity, a plurality of oil outlet holes are provided on both sides of the slider body (1), a plurality of branch pipes (3) are fixedly provided on the pipe wall of the oil outlet pipe (2) and at positions corresponding to the plurality of oil outlet holes, and the plurality of branch pipes (3) are connected to and fixedly provided, and the plurality of branch pipes (3) are inserted into the insides of the corresponding oil outlet holes; A third cavity is provided in the middle of the fixed block (4), and a transmission mechanism for driving the pistons (9) on both sides to move is provided inside the third cavity.

2. The self-lubricating slider for a linear guide rail according to claim 1, characterized in that: The transmission mechanism comprises a threaded rod (11) and a bidirectional internally threaded tube (10), wherein the bidirectional internally threaded tube (10) is rotatably arranged inside the third cavity, and the two threaded rods (11) are threadedly sleeved inside one end of the corresponding bidirectional internally threaded tube (10), and one end of each of the two threaded rods (11) extends into the corresponding second cavity and is fixedly connected to the corresponding piston (9). A fixed shell (6) is fixedly arranged on the top inner wall of the first cavity, and a transmission rod (8) is rotatably arranged between the lower side of the fixed shell (6) and the fixed block (4). A first bevel gear (12) is fixedly sleeved on the middle outer wall of the bidirectional internally threaded tube (10), and the lower end of the transmission rod (8) extends into the third cavity and is fixedly sleeved on the second bevel gear (13), and the first bevel gear (12) is meshingly connected to the second bevel gear (13). A motor (7) is fixedly arranged inside the fixed shell (6), and the output end of the motor (7) is fixedly connected to one end of the transmission rod (8).

3. The self-lubricating slider for a linear guide rail according to claim 1, characterized in that: The longitudinal cross-sections of the piston (9) and the second cavity on both sides are rectangular.

4. The self-lubricating slider for a linear guide rail according to claim 1, characterized in that: The outer walls of the plurality of branch pipes (3) are all provided with rubber pads.

5. The self-lubricating slider for a linear guide rail according to claim 1, characterized in that: The surface of the slider body (1) is coated with a wear-resistant coating.

6. The self-lubricating slider for a linear guide rail according to claim 1, characterized in that: Oil filling pipes (14) with valves are fixedly arranged at both ends of the front side of the slider body (1), and the rear ends of the two oil filling pipes (14) extend to the inside of the corresponding second cavity.

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