Linear guide rail bearing

Abstract

The utility model discloses a linear guide rail bearing which comprises a sliding block and at least one sliding sleeve, a linear guide rail is arranged on one side, corresponding to the sliding block, of each sliding sleeve, a roller is arranged between each sliding block and the corresponding linear guide rail in a sliding mode, a connecting assembly is arranged between every two adjacent sliding sleeves, and each connecting assembly comprises at least one magnetic block. At least one magnetic block groove is formed between the two sliding sleeves, the magnetic blocks are embedded in the magnetic block grooves, the two opposite ends of every two adjacent sliding sleeves are matched in a magnetic attraction mode, and fixing pieces are further arranged on the sliding sleeves.

Description

Technical Field

[0001] The utility model relates to the technical field of bearings, in particular to a linear guide bearing. Background Art

[0002] With the continuous growth of China's economy, the demand for linear guide products in the power industry, data communication industry, urban rail transit industry, automobile industry and shipbuilding industry has grown rapidly. Linear guide bearings are precision parts used in high-precision or high-speed linear reciprocating motion occasions. They can support and guide moving parts, perform reciprocating linear motion in a given direction, and can bear a certain torque. Existing linear guide bearings are generally composed of a slider, a sleeve and a roller. The roller is arranged between the sleeve and the slider so that the sleeve and the slider can slide together. However, this linear guide bearing has only one sleeve, and the sliding stroke of a single sleeve is limited, which cannot meet the working conditions of a longer sliding stroke, and the existing single-sleeve linear guide bearing cannot increase the sleeve to extend the sliding stroke. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model provides a linear guide bearing, the sleeve of which is easy to assemble and disassemble, can increase the linear sliding stroke, has a simple structure and good stability.

[0004] To achieve the above-mentioned purpose, the utility model provides a linear guide bearing, including a slider and at least one sleeve, each of the sleeves is provided with a linear guide on one side corresponding to the slider, a roller is slidably provided between the slider and the linear guide, a connecting component is provided between two adjacent sleeves, the connecting component includes at least one magnet, at least one magnet groove is provided between the two sleeves, the magnet is embedded in the magnet groove, the opposite ends of the two adjacent sleeves are magnetically matched, and a fixing part is also provided on the sleeve.

[0005] The effect that can be produced by adopting the above technical scheme is: through the design of the magnetic block and the magnetic block groove, the magnetic block can be embedded in the magnetic block groove so that two adjacent sleeves can be magnetically matched. In this scheme, the sleeve is made of magnetic material. When two adjacent sleeves are connected, the positions of the two sleeves can be positioned by magnetic attraction, which is convenient for the two adjacent sleeves to align and avoid gaps, thereby avoiding uneven linear guides. It can also enhance the connection stability between adjacent sleeves and reduce relative displacement caused by vibration or impact. The design of magnetic attraction simplifies the assembly process between the sleeves, and the installation is more convenient. In this scheme, a magnetic block and a magnetic block groove for accommodating the magnetic block are arranged at the opposite end of the two adjacent sleeves. The magnetic block and the magnetic block groove are arranged on one of the sleeves, which can reduce the manufacturing cost. A fixing piece is also arranged between the two adjacent sleeves, so that the two sleeves are fixed by the fixing piece after being connected by magnetic attraction, further improving the connection stability of the two sleeves and the flatness and precision of the linear guide. The magnetic block plugged into the magnetic block groove is convenient to disassemble and assemble, has a simple structure, and the stroke of the linear guide can be increased or decreased, and has good stability.

[0006] The utility model is further configured as follows: the fixing member includes a latch, an inserting end arranged on one of the two adjacent sliding sleeves and an inserting slot on the other sliding sleeve, the inserting end is provided with a first through hole, the inserting slot is provided with a second through hole at a position corresponding to the through hole, and the latch is inserted into the first through hole and the second through hole.

[0007] The effect that can be produced by adopting the above technical solution is: the two adjacent sliding sleeves are fixed by plugging the pins and the sockets together, the connection method is simple and the manufacturing cost is low, the connection is more stable by setting the through holes and plugging the pins together, and if the two adjacent sliding sleeves are to be removed, the technical personnel only need to pull out the pins to disassemble them, the disassembly and assembly are more convenient, and the straight length of the sliding sleeve can be adjusted.

[0008] The utility model is further configured that: the through hole is a polygonal through hole, and the latch is a polygonal latch that matches the shape of the through hole.

[0009] The effect that can be produced by adopting the above technical solution is: polygonal through-holes and polygonal pins are used for plug-in connection, the shape of the pin is adapted to the through-hole, and the pin is not easy to rotate after being inserted into the through-hole, thereby avoiding the vibration of the roller when rolling to affect the connection position of the two adjacent sleeves, thereby improving the stability of the connection.

[0010] The utility model is further configured that: the plug-in end is arranged along the circumferential direction of the cross section of the sliding sleeve, and the plug-in groove is arranged along the circumferential direction of the cross section of the sliding sleeve.

[0011] The effect that can be produced by adopting the above-mentioned technical scheme is: the plug-in end is arranged circumferentially along the cross-section of the sleeve, and the plug-in groove is also arranged circumferentially along the cross-section of the sleeve, so that the plug-in end and the plug-in groove are more stable after being plugged in, and the plug-in end can also be circumferentially limited with the plug-in groove. In this scheme, the plug-in end and the plug-in groove are arranged circumferentially along the cross-section of the sleeve and along the shape of the cross-section of the sleeve, so that the plug-in end and the plug-in groove can be circumferentially limited corresponding to the shape of the sleeve, thereby improving the stability of the two adjacent sections of the sleeve after plugging in and improving the service life.

[0012] The utility model is further configured that: a shock-absorbing pad is provided at the bottom end of the plug-in slot, and the plug-in end contacts the shock-absorbing pad.

[0013] The effect produced by adopting the above technical solution is: by providing a shock-absorbing pad at the bottom end of the plug slot, the plug slot can be more stable when plugged with the plug end, reduce noise, protect the plug end, and increase service life.

[0014] The utility model is further configured that: a roller groove is provided at a position of the slider corresponding to the roller, and the linear guide rail and the roller groove cooperate to limit the position of the roller.

[0015] The effects that can be produced by adopting the above technical solution are: the combination of the linear guide and the roller groove can make the linear motion more precise, the roller is not easy to escape from between the linear guide and the roller groove, and the roller groove design can disperse the load, so that the entire bearing can withstand greater force or weight. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural explosion diagram of an embodiment of the utility model;

[0017] Figure 2 A partial cross-sectional view of an embodiment of the utility model;

[0018] Figure 3 A three-dimensional diagram of an embodiment of the utility model;

[0019] Figure 4 It is a stereoscopic diagram of an embodiment of the utility model applied to a cross roller bearing. DETAILED DESCRIPTION

[0020] The utility model discloses an embodiment of a linear guide bearing as shown in the figure. To achieve the above-mentioned purpose, the utility model provides a linear guide bearing 21, including a slider 1 and at least one sleeve 2. Each sleeve 2 is provided with a linear guide 21 on one side corresponding to the slider 1. A roller 3 is slidably provided between the slider 1 and the linear guide 21. A connecting component is provided between two adjacent sleeves 2. The connecting component includes at least one magnetic block 22. At least one magnetic block groove 23 is provided between two sleeves 2. The magnetic block 22 is embedded in the magnetic block groove 23. The opposite ends of the two adjacent sleeves 2 are magnetically matched. A fixing piece is also provided on the sleeve 2. Through the design of the magnetic block 22 and the magnetic block groove 23, the magnetic block 22 can be embedded in the magnetic block groove 23 so that the two adjacent sleeves 2 can be magnetically matched. In this scheme, the sleeve 2 is made of magnetic material. When the two adjacent sleeves 2 are connected, they can be connected by magnetic The positions of the two sleeves 2 are positioned by suction, which facilitates the alignment of the two adjacent sleeves 2 and avoids the generation of gaps, thereby avoiding the unevenness of the linear guide 21. It can also enhance the connection stability between the adjacent sleeves 2 and reduce the relative displacement caused by vibration or impact. The magnetic matching design simplifies the assembly process between the sleeves 2, making the installation more convenient. In this scheme, a magnetic block 22 and a magnetic block groove 23 for accommodating the magnetic block 22 are set at the opposite end of the two adjacent sleeves 2. The magnetic block 22 and the magnetic block groove 23 are set on one of the sleeves 2, which can reduce the manufacturing cost. A fixing piece is also set between the two adjacent sleeves 2, so that the two sleeves 2 are fixed by the fixing piece after being connected by magnetic attraction, further improving the connection stability of the two sleeves 2 and the flatness and accuracy of the linear guide 21. The magnetic block 22 plugged into the magnetic block groove 23 is easy to disassemble and assemble, has a simple structure, and the stroke of the linear guide 21 can be increased or decreased, with good stability. In this solution, the technicians in this field first place the two ends of the two sleeves 2 in correspondence, and then use the pre-inserted magnetic block 22 to absorb one end of the other sleeve 2 so that the two sleeves 2 can be aligned. At this time, the fixing piece provided on the sleeve 2 can also move toward the corresponding position and reach the specified fixed position. Finally, the technicians in this field further fix the two sleeves 2 by operating the fixing piece, and improve the connection stability of the two adjacent sleeves 2 through the cooperation of the magnetic attraction and the fixing piece, and increase the stroke of the linear guide 21. The technicians in this field can increase or decrease the number of sleeves 2 according to actual needs to change the stroke length of the linear guide 21.The fixing member includes a latch 24, a plug-in end 27 provided on one of the two adjacent sleeves 2, and a plug-in slot 28 on the other sleeve 2, the plug-in end 27 is provided with a first through hole 25, and the plug-in slot 28 is provided with a second through hole 26 at a position corresponding to the through hole, the latch 24 is inserted in the first through hole 25 and the second through hole 26, and the two adjacent sleeves 2 are fixed by plugging the latch 24 and the plug-in hole together. The connection method is simple and the manufacturing cost is low. The through hole and the latch 24 are plugged together, and the connection is more stable. If the two adjacent sleeves 2 are to be removed, only the latch 24 needs to be inserted. The technicians in the field can disassemble the device by pulling out the latch 24, which makes disassembly and assembly more convenient, and the straight length of the sleeve 2 can be adjusted; the perforation is a polygonal perforation, and the latch 24 is a polygonal latch 24 that matches the shape of the perforation. The polygonal perforation and the polygonal latch 24 are plugged together, and the shape of the latch 24 matches the perforation. After the latch 24 is plugged into the perforation, it is not easy to rotate, so that the vibration of the roller 3 during rolling affects the connection position of the two adjacent sleeves 2, thereby improving the stability of the connection; the plug end 27 is arranged along the circumference of the cross section of the sleeve 2, and the plug groove 28 is arranged along the circumference of the cross section of the sleeve 2 The plug-in end 27 is arranged circumferentially along the cross-section of the sleeve 2, and the plug-in groove 28 is also arranged circumferentially along the cross-section of the sleeve 2, so that the plug-in end 27 and the plug-in groove 28 are more stable after being plugged in, and the plug-in end 27 can also be circumferentially limited with the plug-in groove 28. In this scheme, the plug-in end 27 and the plug-in groove 28 are arranged circumferentially along the cross-section of the sleeve 2 and along the cross-section shape of the sleeve 2, so that the plug-in end 27 and the plug-in groove 28 can be circumferentially limited corresponding to the shape of the sleeve 2, thereby improving the stability of the two adjacent sections of the sleeve 2 after plugging; a shock-absorbing pad 29 is arranged at the bottom end of the plug-in groove 28, and the plug-in end 27 is connected to the shock-absorbing pad 29 The use of a shock-absorbing pad 29 at the bottom end of the plug-in slot 28 can make the plug-in slot 28 more stable when plugged with the plug-in end 27, reduce noise, and protect the plug-in end 27, increasing the service life; the slider 1 is provided with a roller groove 11 corresponding to the roller 3 position, and the linear guide 21 and the roller groove 11 cooperate to limit the roller 3. The use of the linear guide 21 and the roller groove 11 can make the linear motion more precise, and the roller 3 is not easy to escape from between the linear guide 21 and the roller groove 11. The design of the roller groove 11 can disperse the load, so that the entire bearing can withstand greater force or weight. ;

[0021] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which shall fall within the scope of the utility model to be protected. The scope of protection of the utility model shall be defined by the attached claims and their equivalents.

Claims

1. A linear guide bearing, comprising a slider and at least one sleeve, wherein each sleeve is provided with a linear guide on one side corresponding to the slider, and a roller is provided between the slider and the linear guide for sliding movement, characterized in that: A connecting component is arranged between two adjacent sliding sleeves, and the connecting component includes at least one magnetic block. At least one magnetic block groove is arranged between the two sliding sleeves, and the magnetic block is embedded in the magnetic block groove. The opposite ends of the two adjacent sliding sleeves are magnetically matched, and a fixing piece is also arranged on the sliding sleeve.

2. A linear guide bearing according to claim 1, characterized in that: The fixing member includes a pin, an inserting end arranged on one of the two adjacent sliding sleeves and an inserting slot on the other sliding sleeve, the inserting end is provided with a first through hole, the inserting slot is provided with a second through hole at a position corresponding to the through hole, and the pin is inserted into the first through hole and the second through hole.

3. A linear guide bearing according to claim 2, characterized in that: The through hole is a polygonal through hole, and the latch is a polygonal latch that matches the shape of the through hole.

4. A linear guide bearing according to claim 2, characterized in that: The plug-in end is arranged along the circumference of the cross section of the sliding sleeve, and the plug-in groove is arranged along the circumference of the cross section of the sliding sleeve.

5. A linear guide bearing according to claim 2, characterized in that: A shock-absorbing pad is arranged at the bottom end of the plug-in slot, and the plug-in end contacts the shock-absorbing pad.

6. A linear guide bearing according to claim 1, characterized in that: The sliding block is provided with a roller groove at the position corresponding to the roller, and the linear guide rail and the roller groove cooperate to limit the roller.

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