Dustproof linear bearing

Abstract

The dustproof linear bearing comprises a bearing body and a fixing plate, grooves are symmetrically formed in one side of the top of the fixing plate, a first motor is fixedly connected to one side of the fixing plate, a two-way threaded rod is fixedly connected to the output end of the first motor, and movable frames are symmetrically connected to the outer side of the two-way threaded rod in a threaded mode; a second motor is fixedly connected to one side of the top of the moving frame, a first threaded rod is fixedly connected to the output end of the second motor, a protective cover is in threaded connection to the outer side of the first threaded rod, first mounting plates are fixedly connected to the two sides of the protective cover, and threaded grooves are formed in one sides of the first mounting plates; by arranging the protective cover, dust and other pollutants can be effectively prevented from entering the bearing, the mounting plates are fixedly connected to the two sides of the protective cover, the heat dissipation grooves and the dustproof nets are arranged, and through the design, the dustproof effect can be enhanced, and meanwhile heat dissipation can be improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to linear bearing technical field, concretely relates to a dustproof linear bearing. BACKGROUND

[0002] Linear bearing is a kind of precision assembly for linear motion support, it can make moving parts realize stable, low friction linear motion on guide rail, mainly by inner ring, outer ring and rolling element, with simple structure, high precision, strong load capacity and other characteristics, widely used in automation equipment, precision machine tool, electronic equipment and other fields, is the key element of realizing high-precision linear motion.

[0003] Linear bearing is generally installed outside during use, dust is left on bearing under long-time use, is easy to enter bearing interior, thereby influences the operation of linear bearing, long time can lead to the damage of linear bearing. UTILITY MODEL CONTENTS

[0004] The utility model solves the technical problems, provides a dustproof linear bearing to solve the problem that linear bearing is generally installed outside during use, dust is left on bearing under long-time use, is easy to enter bearing interior, thereby influences the operation of linear bearing, long time can lead to the damage of linear bearing in the background technique.

[0005] To realize the above-mentioned purpose, the utility model provides the following technical scheme: a dustproof linear bearing, including bearing body and fixed plate, the fixed plate top side symmetry is provided with recess, the fixed plate one side is fixedly connected with first motor, the output of first motor is fixedly connected with bidirectional screw rod, the bidirectional screw rod outside symmetry is connected with movable frame with screw thread, the movable frame top side is fixedly connected with second motor, the output of second motor is fixedly connected with first screw rod, the first screw rod outside is connected with protective cover with screw thread, the protective cover both sides are fixedly connected with first mounting plate, the first mounting plate one side is provided with screw groove.

[0006] Preferably, the bearing body both sides are fixedly connected with sealing ring.

[0007] Preferably, two protective covers one side symmetry is provided with heat dissipation groove, and the heat dissipation groove is fixedly connected with dust screen inside.

[0008] Preferably, the fixed plate both sides symmetry is fixedly connected with second mounting plate.

[0009] Preferably, the bidirectional screw rod rotationally connects between the two sides inside one recess.

[0010] Preferably, a sliding rod is fixedly connected between the two inner sides of the groove, and the other end of the moving frame is slidingly connected to the outer side of the sliding rod.

[0011] Preferably, the first threaded rod is rotatably connected between the two inner sides of the moving frame.

[0012] Preferably, the bearing body is located inside the two protective covers.

[0013] Compared with the prior art, the dustproof linear bearing has the following beneficial effects:

[0014] 1、The protective cover is arranged, dust and other pollutants can be effectively prevented from entering the bearing, the mounting plate is fixedly connected to the two sides of the protective cover, and the heat dissipation grooves and the dust screen are provided, so that the dustproof effect is enhanced and heat dissipation is increased.

[0015] 2、The moving frame is arranged, so that the position of the protective cover can be adjusted as required.

[0016] The parts not involved in the device are the same as or can be realized by the prior art, the structure of the device is scientific and reasonable, use is safe and convenient, and great help is provided for people. DETAILED DESCRIPTION

[0017] The accompanying drawings are used to provide a further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation on the present application, and in the drawings:

[0018] Figure 1 A front view structural schematic diagram of a dustproof linear bearing is provided for the present application;

[0019] Figure 2 A structure schematic diagram of a protective cover of a dustproof linear bearing is provided for the present application;

[0020] Figure 3 A structure schematic diagram of a dustproof linear bearing from the top is provided for the present application;

[0021] Figure 4 A structure schematic diagram of a dustproof linear bearing fixing plate is provided for the present application;

[0022] Figure 5 A structure schematic diagram of a dustproof linear bearing moving frame is provided for the present application;

[0023] In the figure: 1, bearing body; 2, fixed plate; 3, first motor; 4, bidirectional threaded rod; 5, moving frame; 6, second motor; 7, first threaded rod; 8, protective cover; 9, first mounting plate; 10, threaded groove; 11, sealing ring; 12, heat dissipation groove; 13, dust screen; 14, second mounting plate; 15, sliding rod; 16, groove. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] Please refer to Figures 1-5 The utility model provides a technical scheme: a dustproof linear bearing, including bearing body 1 and fixed plate 2, fixed plate 2 top one side symmetry is provided with recess 16, fixed plate 2 one side fixedly connected with first motor 3, first motor 3's output fixedly connected with bidirectional threaded rod 4, bidirectional threaded rod 4 outside symmetry screw thread connection has moving frame 5, moving frame 5 top one side fixedly connected with second motor 6, second motor 6's output fixedly connected with first threaded rod 7, first threaded rod 7 outside screw thread connection has protective cover 8, protective cover 8 both sides are fixedly connected with first mounting plate 9, first mounting plate 9 one side is provided with threaded groove 10, starts first motor 3, can drive bidirectional threaded rod 4 rotation, thereby can drive two moving frame 5 removal, starts second motor 6, drives first threaded rod 7 rotation, can drive protective cover 8 removal, fixes the frame and fixes, according to bearing body 1's size adjusts the distance between two moving frame 5, according to height adjustment two protective cover 8's position, then two protective cover 8 are combined, use screw through threaded groove 10 and fix connection, can effectively prevent dust and other pollutants into the bearing interior.

[0026] In the utility model, preferably, the bearing body 1 is fixedly connected with the sealing ring 11 on both sides, and the sealing ring 11 can further prevent dust from entering the bearing body 1.

[0027] In the utility model, preferably, the two protective covers 8 are symmetrically provided with heat dissipation grooves 12 on one side, and the dust screens 13 are fixedly connected in the heat dissipation grooves 12.

[0028] The utility model discloses, preferably, the fixed plate 2 both sides symmetry fixedly connected with second mounting plate 14, can be fixed with fixed plate 2 through second mounting plate 14.

[0029] The utility model discloses, preferably, the two-way threaded rod 4 rotation is connected between the inside two sides of a recess 16.

[0030] The utility model discloses, preferably, the inside two sides between a recess 16 are fixedly connected with sliding rod 15, and the other end of moving frame 5 is slidably connected on the outside of sliding rod 15, and the setting of sliding rod 15 plays a moving limit function to moving frame 5.

[0031] The utility model discloses, preferably, the first threaded rod 7 rotation is connected between the inside two sides of moving frame 5.

[0032] The utility model discloses, preferably, bearing body 1 is located inside two protective cover 8.

[0033] The working principle and use flow of the utility model are: when using, fixed plate 2 is fixed through second mounting plate 14, and first motor 3 is started, can drive two-way threaded rod 4 rotation, thereby can drive two moving frame 5 movement, and second motor 6 is started, drives first threaded rod 7 rotation, can drive protective cover 8 movement, and fixed frame is fixed, and the distance between two moving frame 5 is adjusted according to the size of bearing body 1, and the position of two protective cover 8 is adjusted according to height, then two protective cover 8 are combined, and two protective cover 8 are fixedly connected through thread groove 10, can effectively prevent dust and other pollutants from entering the bearing inside, and heat dissipation groove 12 and dust screen 13 can enhance the dustproof effect while increasing the heat dissipation, prevent bearing body 1 in protective cover 8 inside from causing overheating damage due to long time operation.

[0034] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A dustproof linear bearing comprising a bearing body (1) and a fixing plate (2), characterized in that: The fixed plate (2) top one side is provided with a groove (16), the fixed plate (2) one side is fixedly connected with first motor (3), the output of first motor (3) is fixedly connected with two-way threaded rod (4), the outside of two-way threaded rod (4) is symmetrically connected with moving frame (5), the top of moving frame (5) one side is fixedly connected with second motor (6), the output of second motor (6) is fixedly connected with first threaded rod (7), the outside of first threaded rod (7) is threadedly connected with protective cover (8), both sides of protective cover (8) are fixedly connected with first mounting plate (9), one side of first mounting plate (9) is provided with threaded groove (10).

2. The dustproof linear bearing according to claim 1, characterized in that: Both sides of the bearing body (1) are fixedly connected with a sealing ring (11).

3. The dustproof linear bearing according to claim 1, characterized in that: Both sides of the protective cover (8) are symmetrically provided with a heat dissipation groove (12), and the dustproof net (13) is fixedly connected inside the heat dissipation groove (12).

4. The dustproof linear bearing according to claim 1, characterized in that: Both sides of the fixed plate (2) are fixedly connected with the second mounting plate (14).

5. The dust-proof linear bearing according to claim 1, wherein: The two-way threaded rod (4) is rotatably connected between the two sides inside one of the grooves (16).

6. The dust-proof linear bearing according to claim 1, wherein: A sliding rod (15) is fixedly connected between the two sides inside one of the grooves (16), and the other end of the moving frame (5) is slidably connected to the outside of the sliding rod (15).

7. The dust-proof linear bearing according to claim 1, wherein: The first threaded rod (7) is rotatably connected between the two sides inside the moving frame (5).

8. The dust-proof linear bearing according to claim 1, wherein: The bearing body (1) is located inside the two protective covers (8).

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