Linear guide rail

Abstract

The utility model discloses a linear guide rail, which belongs to the technical field of transmission equipment, and is characterized in that the linear guide rail comprises a rail and a sliding block in sliding fit with the rail, and the sliding block comprises reverse covers arranged at the two ends of the sliding block; a reverse block installed in the reverse cover; the oil supply mechanism is mounted on the reverse cover; the plurality of balls are arranged in the sliding block; wherein the sliding block is provided with an inner fairway and an outer fairway, a reverse fairway is arranged between the reverse cover and the reverse block, the oil supply mechanism is connected to the reverse fairway, the oil supply mechanism is provided with a first elastic piece arranged in the reverse fairway, the first elastic piece is provided with a first valve body, the oil supply mechanism is provided with an oil supply runner, and the oil supply runner is provided with a second valve body. And the first valve body is matched with the oil supply runner. The lubricating effect of the sliding block can be improved, and meanwhile lubricating oil is saved.

Description

Technical Field

[0001] This application belongs to the field of transmission equipment technology, and in particular relates to a linear guide rail. Background Technology

[0002] In the field of transmission, linear guides have always been an important product. A linear guide is a device used to support and guide moving parts, enabling them to perform reciprocating linear motion in a given direction. Compared to ordinary transmission structures, it requires less effort and facilitates equipment operation. Common linear guides are generally divided into three types: roller linear guides, cylindrical linear guides, and ball linear guides. They utilize rollers, cylinders, or balls to provide rolling friction, thereby reducing the impact of friction on the equipment and facilitating the sliding of sliders on the track.

[0003] A Chinese patent with publication number CN220354290U discloses a linear guide device, which includes: a track and a slider. The slider has an inner ball track and an outer ball track that run through it. The two ends of the inner ball track surface have first trimming parts. Two return devices are located at the two ends of the slider, and each return device has a return ball track. The outer ball track, the inner ball track and the return ball track together form a circulating ball track, and multiple steel balls are arranged in the circulating ball track.

[0004] While the aforementioned linear guide improves the smoothness of the steel ball's turning, its lubricating oil supply structure is relatively simple and lacks restraint, resulting in continuous oil leakage and high consumption. Improvements are needed to address these issues. Utility Model Content

[0005] The purpose of this application is to address the aforementioned technical problems by providing a linear guide that improves the lubrication effect of the slider while saving on the use of lubricating oil.

[0006] This application provides a linear guide rail, including a track and a slider that slides with the track, the slider comprising:

[0007] Reverse caps are placed at both ends of the slider;

[0008] Reverse block, installed in the reverse cover;

[0009] The oil supply mechanism is installed on the reverse cover;

[0010] Several ball bearings are positioned inside the slider.

[0011] The slider is provided with an inner ball track and an outer ball track. A reverse ball track is provided between the reverse cover and the reverse block. The oil supply mechanism is connected to the reverse ball track. The oil supply mechanism is provided with a first elastic element placed in the reverse ball track. The first elastic element is provided with a first valve body. The oil supply mechanism is provided with an oil supply channel. The first valve body is adapted to the oil supply channel.

[0012] The reverse block is installed between the reverse cover and the sliding block, and the reverse channel is formed by the reverse block and the reverse cover, the turning performance of the ball is improved, the circulation channel of the ball is formed by the inner channel, the outer channel and the reverse channel, the lubricating oil is provided for the ball by the oil supply mechanism when the ball moves through the reverse channel, the lubricating oil is transported to the oil supply channel through the oil pipe, the first valve body is moved when the ball passes through the first elastic member, the oil supply channel is opened, the lubricating oil passes through the first valve body, the control of the lubricating oil is realized, the utilization of the lubricating oil is improved, and the oil nozzle is connected with the oil supply channel.

[0013] Further, the oil supply mechanism comprises:

[0014] The oil storage cavity;

[0015] The oiling roller is movably installed in the reverse channel;

[0016] The oil outlet hole is arranged on the reverse channel and matched with the oiling roller;

[0017] The shaft seat is movably connected with the oiling roller;

[0018] The first spring is arranged between the shaft seat and the reverse cover.

[0019] The first valve body can control the conveying speed, but when the ball is just placed in the first elastic member when the sliding block stops moving, the first valve body will be in a continuous open state, when the oiling roller does not abut against the ball, the first spring makes the oiling roller block the oil outlet hole, the shaft body of the oiling roller is hinged to the shaft seat, so that the oiling roller can rotate around the axis, when the oiling roller abuts against the ball, the oiling roller moves into the oil storage cavity, the oil outlet hole is opened, the lubricating oil flows into the reverse channel, the lubricating property of the ball is improved, by setting the distance between the oil outlet hole and the first elastic member, the oiling roller and the oil outlet hole can correspond to at most one ball, so as to improve the control of the lubricating oil conveying and the utilization rate of the lubricating oil.

[0020] Further, the oil storage cavity comprises:

[0021] The piston is movably arranged in the oil storage cavity;

[0022] The second spring is arranged between the piston and the oil storage cavity.

[0023] By arranging the piston and the second spring, when the first valve body is opened, the lubricating oil first enters the oil storage cavity, and the lubricating oil is stored in the oil storage cavity by moving the piston, when the oil outlet hole is opened, the lubricating oil flowing out of the oil outlet hole is assisted, and the lubricating efficiency is improved.

[0024] Further, the reverse cover comprises:

[0025] The second valve body;

[0026] The slider is provided with a flow divider channel, which is connected to the oil supply channel. The second valve body is connected between the oil supply channel and the flow divider channel. A lubrication hole is provided between the inner ball track and the flow divider channel.

[0027] By setting a second valve body to connect the distribution channel and the oil supply channel, when the slider is first used, the second valve body is opened to allow the lubricating oil to be delivered to the inner ball track through the distribution channel and lubrication hole, which will quickly lubricate the balls placed in the inner ball track, improve the lubrication performance of the slider during initial use, and reduce the wear of the balls.

[0028] Furthermore, the first valve body is provided with a third spring.

[0029] The third spring is placed between the first valve body and the reverse cover. By setting the third spring, the reset performance of the first valve body and the first elastic element is improved, and the stable on / off performance of the first valve body is guaranteed.

[0030] Furthermore, the slider is provided with a sealing cover, which is installed and connected to the reverse cover.

[0031] The sealing cover and the reverse cover are connected by fasteners such as bolts. The sealing cover prevents dust and impurities from entering the slider and improves the stability of the ball movement inside the slider.

[0032] The beneficial effects of this application are:

[0033] 1. When the ball passes through the first elastic element, the deformation of the first elastic element causes the first valve body to move, opening the oil supply channel and allowing the lubricating oil to pass through the first valve body, thereby controlling the lubricating oil and improving the economical use of the lubricating oil.

[0034] 2. When the oiling roller comes into contact with the ball, it moves the oiling roller into the oil storage chamber, opens the oil outlet, and allows the lubricating oil to flow into the reverse ball track, improving the lubrication of the ball.

[0035] 3. By setting up a piston and a second spring, when the oil outlet is opened, it provides assistance for the lubricating oil to flow out of the oil outlet, thereby improving lubrication efficiency. Attached Figure Description

[0036] Figure 1 This is a schematic diagram of the linear guide rail of this application;

[0037] Figure 2 This is a cross-sectional view of the linear guide rail of this application;

[0038] Figure 3 For the purposes of this application Figure 2 A schematic diagram of the structure of AA;

[0039] Figure 4 For the purposes of this application Figure 3 A magnified view of point C;

[0040] Figure 5 The application relates to a structure diagram of B-B of the application. Figure 2 The application relates to a structure diagram of B-B of the application.

[0041] In the drawing, 100, track; 200, sliding block; 201, shunt; 202, lubricating hole; 210, rolling ball; 220, inner ball channel; 230, outer ball channel; 240, reverse ball channel; 300, reverse cover; 310, reverse block; 320, second valve body; 400, sealing cover; 500, oil supply mechanism; 510, first elastic member; 520, first valve body; 521, third spring; 530, oil supply flow channel; 540, oil storage cavity; 550, oil applying roller; 560, oil outlet hole; 570, shaft seat; 580, first spring; 590, piston; 591, second spring. DETAILED DESCRIPTION

[0042] The technical solutions in the embodiments of the application will be clearly described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only some of the embodiments of the application, but not all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by a person of ordinary skill in the art belong to the scope of protection of the application.

[0043] The terms "first", "second", and the like in the specification and claims of the application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the application can be implemented in an order other than those illustrated or described herein, and the objects distinguished by "first", "second", etc. are usually a category and do not limit the number of objects, for example, the first object can be one or more. In addition, "and / or" in the specification and claims means at least one of the connected objects, and the character " / ", generally represents that the front and rear associated objects are in an "or" relationship.

[0044] The embodiments of the application will be described in detail below with reference to the drawings and specific embodiments and application scenarios.

[0045] Embodiment 1

[0046] As shown in Figures 1-4 The application provides a linear guide rail, which comprises a track 100 and a sliding block 200 in sliding cooperation with the track 100, and the sliding block 200 comprises:

[0047] A reverse cover 300 is arranged at both ends of the sliding block 200.

[0048] A reverse block 310 is installed in the reverse cover 300.

[0049] The oil supply mechanism 500 is installed on the reverse cover 300.

[0050] The ball 210 is provided with a plurality of balls arranged in the slider 200.

[0051] The slider 200 is provided with an inner ball channel 220 and an outer ball channel 230, the reverse cover 300 and the reverse block 310 are provided with a reverse ball channel 240, the oil supply mechanism 500 is connected to the reverse ball channel 240, the oil supply mechanism 500 is provided with a first elastic member 510 arranged in the reverse ball channel 240, the first elastic member 510 is provided with a first valve body 520, the oil supply mechanism 500 is provided with an oil supply channel 530, and the first valve body 520 is matched with the oil supply channel 530.

[0052] The reverse block 310 is installed between the reverse cover 300 and the slider 200, the reverse ball channel 240 is formed by the reverse block 310 and the reverse cover 300, the turning performance of the ball 210 is improved, the circulation channel of the ball 210 is formed by the inner ball channel 220, the outer ball channel 230 and the reverse ball channel 240, the ball 210 is lubricated by the oil supply mechanism 500 when moving through the reverse ball channel 240, the lubricating oil is transported to the oil supply channel 530 through the oil pipe, the first elastic member 510 is deformed to move the first valve body 520 when the ball 210 passes through the first elastic member 510, the oil supply channel 530 is opened to make the lubricating oil pass through the first valve body 520, the control of the lubricating oil is realized, the economical use of the lubricating oil is improved, and the oil nozzle is connected to the oil supply channel 530.

[0053] Further, the oil supply mechanism 500 comprises:

[0054] The oil storage cavity 540;

[0055] The oiling roller 550 is movably installed in the reverse ball channel 240;

[0056] The oil outlet hole 560 is arranged in the reverse ball channel 240 and matched with the oiling roller 550;

[0057] The shaft seat 570 is movably connected with the oiling roller 550;

[0058] The first spring 580 is arranged between the shaft seat 570 and the reverse cover 300.

[0059] The first valve body 520 can control the delivery speed, but when the slider 200 stops moving and the ball 210 is just placed in the first elastic member 510, the first valve body 520 is in a continuous open state. When the oiling roller 550 is not in contact with the ball 210, the oiling roller 550 is blocked by the oil outlet hole 560 by the first spring 580. The shaft body of the oiling roller 550 is hinged to the shaft seat 570, so that the oiling roller 550 can rotate around the axis. When the oiling roller 550 is in contact with the ball 210, the oiling roller 550 moves into the oil storage cavity 540, the oil outlet hole 560 is opened, and the lubricating oil flows into the reverse ball channel 240, improving the lubricity of the ball 210. By setting the distance between the oil outlet hole 560 and the first elastic member 510, the oiling roller 550 and the oil outlet hole 560 can correspond to at most one ball 210, thereby improving the control of lubricating oil delivery and improving the utilization rate of lubricating oil.

[0060] Further, the oil storage cavity 540 comprises:

[0061] The piston 590 is movably arranged in the oil storage cavity 540.

[0062] The second spring 591 is arranged between the piston 590 and the oil storage cavity 540.

[0063] By arranging the piston 590 and the second spring 591, when the first valve body 520 is opened, the lubricating oil first enters the oil storage cavity 540, and the piston 590 moves to store the lubricating oil in the oil storage cavity 540. When the oil outlet hole 560 is opened, the lubricating oil flowing out of the oil outlet hole 560 is assisted, and the lubricating efficiency is improved.

[0064] Further, the first valve body 520 is provided with a third spring 521.

[0065] The third spring 521 is arranged between the first valve body 520 and the reverse cover 300. By arranging the third spring 521, the reset performance of the first valve body 520 and the first elastic member 510 is improved, and the stable on-off performance of the first valve body 520 is ensured.

[0066] Embodiment 2:

[0067] As shown in Figure 2 , Figure 5 The embodiment of the application provides a linear guide rail, in addition to the above technical features, further comprising:

[0068] The second valve body 320;

[0069] The slider 200 is provided with a flow divider 201, which is connected to the oil supply channel 530. The second valve body 320 is connected between the oil supply channel 530 and the flow divider 201. A lubrication hole 202 is provided between the inner ball channel 220 and the flow divider 201.

[0070] By setting the second valve body 320 to connect the flow channel 201 with the oil supply channel 530, when the slider 200 is first used, by opening the second valve body 320, the lubricating oil is delivered to the inner ball track 220 through the flow channel 201 and the lubrication hole 202, which quickly lubricates the balls 210 placed in the inner ball track 220, improves the lubrication performance of the slider 200 at the beginning of use, and reduces the wear of the balls 210.

[0071] Example 3:

[0072] like Figure 1 As shown, this application embodiment provides a linear guide rail, which, in addition to including the above-mentioned technical features, further includes a sealing cover 400 on the slider 200, and the sealing cover 400 is installed and connected to the reverse cover 300.

[0073] The sealing cover 400 and the reverse cover 300 are connected by fasteners such as bolts. The sealing cover 400 prevents dust and impurities from entering the slider 200 and improves the stability of the movement of the ball 210 inside the slider 200.

[0074] It should be noted that, in this document, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes that element. Furthermore, it should be noted that the scope of the methods and apparatuses in the embodiments of this application is not limited to performing functions in the order shown or discussed, but may also include performing functions substantially simultaneously or in the reverse order, depending on the functions involved. For example, the described methods may be performed in a different order than described, and various steps may be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

[0075] The embodiments of the present application are described above with reference to the accompanying drawings, but the present application is not limited to the specific embodiments described above, and the specific embodiments described above are merely illustrative, but not restrictive, and a person of ordinary skill in the art can make many forms under the inspiration of the present application without departing from the purpose of the present application and the scope protected by the claims.

Claims

1. A linear guide rail comprising a rail (100), a slider (200) in sliding engagement with the rail (100), characterized in that, The slider (200) comprises: a reverse cover (300) arranged at two ends of the slider (200); a reverse block (310) arranged in the reverse cover (300); an oil supply mechanism (500) arranged on the reverse cover (300); a plurality of balls (210) arranged in the slider (200); The slider (200) is provided with an inner ball channel (220) and an outer ball channel (230), the reverse cover (300) and the reverse block (310) are provided with a reverse ball channel (240), the oil supply mechanism (500) is connected to the reverse ball channel (240), the oil supply mechanism (500) is provided with a first elastic member (510) arranged in the reverse ball channel (240), the first elastic member (510) is provided with a first valve body (520), the oil supply mechanism (500) is provided with an oil supply channel (530), and the first valve body (520) is matched with the oil supply channel (530).

2. The linear guide rail according to claim 1, characterized by The oil supply mechanism (500) comprises: an oil storage cavity (540); an oiling roller (550) movably arranged in the reverse ball channel (240); an oil outlet hole (560) arranged on the reverse ball channel (240) and matched with the oiling roller (550); an axle seat (570) movably connected with the oiling roller (550); a first spring (580) arranged between the axle seat (570) and the reverse cover (300).

3. The linear guide rail according to claim 2, characterized by The oil storage cavity (540) comprises: a piston (590) movably arranged in the oil storage cavity (540); a second spring (591) arranged between the piston (590) and the oil storage cavity (540).

4. The linear guide rail according to claim 3, characterized by The reverse cover (300) comprises: a second valve body (320); The slider (200) is provided with a shunt channel (201), the shunt channel (201) is connected with the oil supply channel (530), the second valve body (320) is connected between the oil supply channel (530) and the shunt channel (201), and a lubricating hole (202) is arranged between the inner ball channel (220) and the shunt channel (201).

5. The linear guide rail according to claim 1, characterized by The first valve body (520) is provided with a third spring (521).

6. The linear guide rail according to claim 1, characterized by The slider (200) is provided with a sealing cover (400), and the sealing cover (400) is movably connected with the reverse cover (300).

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