Crossed roller guide rail with limiting function

Abstract

The crossed roller guide rail with the limiting function comprises a retainer, guide rail bodies are arranged at the top and the bottom of the retainer, a plurality of first notches are formed in the two sides of the retainer, second notches are formed in one sides of the first notches, first rollers are rotationally connected into the first notches, and second rollers are rotationally connected into the second notches. Second rollers are rotationally connected into the second notches, side plates are fixedly connected to one ends of the two guide rail bodies, threaded rods are connected to the centers of the side plates in a threaded mode, and limiting assemblies are arranged at the ends, close to the retainer, of the threaded rods. The threaded rod is rotated to be matched with the side plates for use, so that the connecting plates and the baffles at the two ends can move towards the center of the guide rail body, the distance between the baffles at the two ends can be adjusted, the baffles can play a role in blocking movement of the retainer, and therefore the movement range of the retainer can be limited, and the service life of the retainer is prolonged. The sliding range of the guide rail body can be conveniently adjusted according to actual conditions, and the practicability of the device is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of cross roller guide rails, in particular to a cross roller guide rail with a limiting function. Background Art

[0002] A cross roller guide is a rolling guide consisting of two guide rails and multiple rollers. Its structural feature is that the rollers are arranged crosswise and roll between the guide rails and the slider. This arrangement enables the guide rail to withstand loads in all directions, including radial, axial and overturning moments. It has a strong load-bearing capacity, usually has high precision, moves smoothly, can achieve high-precision linear motion, and has a low friction coefficient and requires little driving force, which helps save energy in mechanical systems.

[0003] In the prior art, Chinese patent CN217381305U discloses a limited reinforced cross roller guide rail, including a guide rail body, wherein the guide rail bodies are grouped into two, and a slide groove is provided on each of the guide rail bodies, the slide grooves of the two guide rail bodies are arranged relative to each other, and rotating rollers are provided in the two slide grooves, and when an external force is applied, when the two guide rail bodies slide relative to each other, the rotating rollers can move in the two slide grooves at the same time, and the two ends of the axis of each slide groove are closed.

[0004] However, the cross roller guide provided in the above technical solution still has shortcomings in actual use. For example, the length of the cross roller guide is fixed, so the sliding range of the cross roller guide is fixed. The sliding range of the cross roller guide cannot be adjusted according to actual needs, resulting in poor practicality. Utility Model Content

[0005] The purpose of this section is to summarize some aspects of the embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract and title of the utility model to avoid obscuring the purpose of this section, the abstract and the title of the utility model, and such simplifications or omissions shall not be used to limit the scope of the present invention.

[0006] In order to solve the problem that the length of the cross roller guide proposed in the above background technology is fixed, the sliding range of the cross roller guide is fixed, and the sliding range of the cross roller guide cannot be adjusted according to actual needs, resulting in poor practicality, the present utility model adopts the following technical solution.

[0007] A cross roller guide rail with a limiting function includes a retaining frame, wherein guide rail bodies are provided at the top and bottom of the retaining frame, multiple first slots are opened on both sides of the retaining frame, a second slot is provided on one side of the first slot, and the first slot and the second slot both pass through the retaining frame, multiple first slots and multiple second slots are located on the retaining frame and are alternately and evenly distributed, the first slot is internally connected to the first roller for rotation, and the second slot is internally connected to the second roller for rotation, the center axis of the first roller is perpendicular to the center axis of the second roller, one end of the two guide rail bodies is fixedly connected to a side plate, and the two side plates are respectively located at opposite ends of the two guide rail bodies, the center thread of the side plate is connected to a threaded rod, the threaded rod passes through the side plate, and a limiting component is provided at one end of the threaded rod close to the retaining frame.

[0008] Preferably, the limiting assembly includes a connecting plate, a telescopic rod and a baffle, the end of the threaded rod close to the retaining frame is rotatably connected to the connecting plate, the side of the connecting plate away from the threaded rod is fixedly connected to multiple telescopic rods, and the ends of the multiple telescopic rods are fixedly connected to the same baffle.

[0009] Preferably, a spring is sleeved on the outer side of the telescopic rod, and the plurality of telescopic rods are evenly distributed in a ring shape about the central axis of the threaded rod.

[0010] Preferably, one end of the threaded rod away from the connecting plate is fixedly connected to a knob, and the knob has a plum blossom-shaped structure.

[0011] Preferably, a limiting ring is sleeved on the outer side of the threaded rod, the inner diameter of the limiting ring is consistent with the outer diameter of the threaded rod, and the limiting ring is fixedly connected to the connecting plate.

[0012] Preferably, both ends of the retaining frame are fixedly connected with soft rubber pads, and one side of the soft rubber pad is in contact with the side surface of the retaining frame.

[0013] Preferably, a gear is provided in the center of the retaining frame, and rotating shafts are fixedly connected to both sides of the gear. The rotating shaft and the retaining frame are rotationally connected, and a rack is fixedly connected in the middle of the guide rail body, and the rack is meshed with the gear.

[0014] Beneficial effects

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] The utility model can rotate the threaded rod in conjunction with the use of the side plates, so that the connecting plates and the baffles at both ends can be moved toward the center of the guide rail body, and the distance between the baffles at both ends can be adjusted. The baffles can also block the movement of the retaining frame, thereby limiting the range of activity of the retaining frame, making it convenient to adjust the sliding range of the guide rail body according to actual conditions, thereby improving the practicality of the device. Through the extension and retraction of the telescopic rod and the elasticity of the spring, it can play a buffering and shock-absorbing role after the retaining frame collides with the baffle, thereby realizing protection of the retaining frame. The provision of the soft rubber pad can prevent wear between the baffle and the retaining frame, and further protect the retaining frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall three-dimensional structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the three-dimensional structure of the retainer and guide rail body of the utility model;

[0019] Figure 3 This is a schematic diagram of the three-dimensional structure of the guide rail body of the present utility model;

[0020] Figure 4 This is a side structural diagram of the retainer of the present invention;

[0021] Figure 5 For the utility model Figure 3 A in the middle is an enlarged structural diagram;

[0022] Figure 6 It is a schematic diagram of the three-dimensional structure of the connecting plate of the present invention.

[0023] The corresponding relationship between the illustration labels and component names in the figure is as follows:

[0024] 1. Retaining frame; 2. Guide rail body; 3. First notch; 4. Second notch; 5. First roller; 6. Second roller; 7. Side plate; 8. Threaded rod; 9. Connecting plate; 10. Telescopic rod; 11. Baffle; 12. Spring; 13. Knob; 14. Limiting ring; 15. Soft rubber pad; 16. Gear; 17. Rotating shaft; 18. Rack. DETAILED DESCRIPTION

[0025] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0026] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0027] Secondly, the term "one embodiment" or "embodiment" herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in various places throughout this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments. The present invention provides the following embodiments.

[0028] See also Figure 1-6 The present invention provides an embodiment of a cross roller guide rail with a limiting function, comprising a cage 1, a guide rail body 2 is provided at the top and bottom of the cage 1, a plurality of first slots 3 are provided on both sides of the cage 1, a second slot 4 is provided on one side of the first slot 3, and the first slot 3 and the second slot 4 both pass through the cage 1, a plurality of first slots 3 and a plurality of second slots 4 are located on the cage 1 and are alternately and evenly distributed, a first roller 5 is rotatably connected to the inside of the first slot 3, and a second roller 6 is rotatably connected to the inside of the second slot 4, the central axis of the first roller 5 is perpendicular to the central axis of the second roller 6, first, one of the guide rail bodies 2 is fixed, and a plurality of evenly distributed circular holes are provided on both sides of the guide rail body 2, so that the guide rail body 2 can be fixed when in use, and the cage 1 can be moved on the fixed guide rail body 2 by the cooperation of the first roller 5 and the second roller 6 on the cage 1, and the movable guide rail body 2 can slide on the cage 1 by utilizing the first slot 3 and the second slot 4 that pass through.

[0029] In this embodiment, a gear 16 is provided in the center of the retaining frame 1, and a rotating shaft 17 is fixedly connected to both sides of the gear 16. The rotating shaft 17 and the retaining frame 1 are rotatably connected. A rack 18 is fixedly connected to the middle of the guide rail body 2, and the rack 18 is engaged with the gear 16. The gear 16 can be rotated through the rotating shaft 17. Combined with the setting of the rack 18, the anti-creep effect can be achieved when the device is used.

[0030] In this embodiment, one end of the two guide rail bodies 2 is fixedly connected to a side plate 7, and the two side plates 7 are respectively located at the opposite ends of the two guide rail bodies 2. The center of the side plate 7 is threadedly connected to a threaded rod 8, which passes through the side plate 7. The threaded rod 8 is rotatably connected to the end of the threaded rod 8 close to the retaining frame 1. The connecting plate 9 is fixedly connected to a plurality of telescopic rods 10 on the side away from the threaded rod 8. The ends of the plurality of telescopic rods 10 are fixedly connected to the same baffle 11. By rotating the threaded rod 8 and using the side plates 7, the connecting plates 9 and baffles 11 at both ends can be moved toward the center of the guide rail body 2, and the distance between the baffles 11 at both ends can be adjusted. The baffles 11 can block the movement of the retaining frame 1, thereby limiting the range of motion of the retaining frame 1, making it convenient to adjust the sliding range of the guide rail body 2 according to actual conditions, and improving the practicality of the device.

[0031] In this embodiment, a spring 12 is provided on the outer side of the telescopic rod 10, and multiple telescopic rods 10 are evenly distributed in a ring shape about the central axis of the threaded rod 8. Through the extension and contraction of the telescopic rod 10, combined with the elasticity of the spring 12, it can play a buffering and shock-absorbing role after the retaining frame 1 collides with the baffle 11, thereby realizing protection of the retaining frame 1. Soft rubber pads 15 are fixedly connected to both ends of the retaining frame 1, and one side of the soft rubber pad 15 is in contact with the side surface of the retaining frame 1. The setting of the soft rubber pad 15 can prevent wear between the baffle 11 and the retaining frame 1, thereby further protecting the retaining frame 1.

[0032] In this embodiment, a knob 13 is fixedly connected to one end of the threaded rod 8 away from the connecting plate 9. The structure of the knob 13 is a plum blossom structure. The setting of the knob 13 makes it convenient to manually rotate the threaded rod 8 during use. A limiting ring 14 is provided on the outer side of the threaded rod 8. The inner diameter of the limiting ring 14 matches the outer diameter of the threaded rod 8. The limiting ring 14 is fixedly connected to the connecting plate 9. The limiting ring 14 can limit the rotation of the threaded rod 8 and ensure the stability of the rotation of the threaded rod 8.

[0033] Working principle: When using this device, first fix one of the guide rail bodies 2. A plurality of evenly distributed circular holes are provided on both sides of the guide rail body 2 to facilitate fixing the guide rail body 2 during use. By cooperating with the first roller 5 and the second roller 6 on the retaining frame 1, the retaining frame 1 can be moved on the fixed guide rail body 2. By utilizing the first slot 3 and the second slot 4 that penetrate through it, the movable guide rail body 2 can be slid on the retaining frame 1. The gear 16 can be rotated by the rotating shaft 17. Combined with the setting of the rack 18, the anti-creep effect can be achieved when the device is used.

[0034] By rotating the threaded rod 8 and using the side plates 7, the connecting plates 9 and baffles 11 at both ends can be moved toward the center of the guide rail body 2, and the distance between the baffles 11 at both ends can be adjusted. The baffles 11 can block the movement of the retaining frame 1, thereby limiting the range of movement of the retaining frame 1, and facilitating the adjustment of the sliding range of the guide rail body 2 according to actual conditions, thereby improving the practicality of the device. The setting of the knob 13 makes it convenient to manually rotate the threaded rod 8 during use, and the limiting ring 14 can limit the rotation of the threaded rod 8 to ensure the stability of the rotation of the threaded rod 8. Through the extension and retraction of the telescopic rod 10 and the elasticity of the spring 12, it can play a buffering and shock-absorbing role after the retaining frame 1 collides with the baffle 11, thereby protecting the retaining frame 1. The setting of the soft rubber pad 15 can prevent wear between the baffle 11 and the retaining frame 1, and further protect the retaining frame 1.

[0035] The above content is a further detailed description of the present invention in combination with specific implementation methods. It cannot be determined that the specific implementation of the present invention is limited to these descriptions. For ordinary technicians in the technical field to which the present invention belongs, they can make several simple deductions or substitutions without departing from the concept of the present invention, which should be regarded as falling within the scope of protection determined by the claims submitted for the present invention.

Claims

1. A cross roller guide rail with a position limiting function, comprising a retainer (1), wherein the top and bottom of the retainer (1) are both provided with a guide rail body (2), characterized in that: A plurality of first slots (3) are provided on both sides of the retaining frame (1), a second slot (4) is provided on one side of the first slot (3), and the first slot (3) and the second slot (4) both pass through the retaining frame (1), and the plurality of first slots (3) and the plurality of second slots (4) are alternately and evenly distributed on the retaining frame (1), the first slot (3) is internally rotatably connected to a first roller (5), and the second slot (4) is internally rotatably connected to a second roller (6), the center axis of the first roller (5) is perpendicular to the center axis of the second roller (6), one end of each of the two guide rail bodies (2) is fixedly connected to a side plate (7), and the two side plates (7) are respectively located at opposite ends of the two guide rail bodies (2), the center of the side plate (7) is threadedly connected to a threaded rod (8), the threaded rod (8) passes through the side plate (7), and a limiting component is provided at one end of the threaded rod (8) close to the retaining frame (1).

2. The cross roller guide rail with position limiting function according to claim 1, characterized in that: The limiting assembly comprises a connecting plate (9), a telescopic rod (10) and a baffle (11); one end of the threaded rod (8) close to the retaining frame (1) is rotatably connected to the connecting plate (9); a side of the connecting plate (9) away from the threaded rod (8) is fixedly connected to a plurality of telescopic rods (10); and the ends of the plurality of telescopic rods (10) are fixedly connected to the same baffle (11).

3. The cross roller guide rail with position limiting function according to claim 2, characterized in that: A spring (12) is sleeved on the outer side of the telescopic rod (10), and a plurality of telescopic rods (10) are evenly distributed in a ring shape about the central axis of the threaded rod (8).

4. The cross roller guide rail with position limiting function according to claim 3, characterized in that: One end of the threaded rod (8) away from the connecting plate (9) is fixedly connected to a rotating knob (13), and the rotating knob (13) has a plum blossom-shaped structure.

5. The cross roller guide rail with position limiting function according to claim 4, characterized in that: A limiting ring (14) is sleeved on the outer side of the threaded rod (8), the inner diameter of the limiting ring (14) matches the outer diameter of the threaded rod (8), and the limiting ring (14) is fixedly connected to the connecting plate (9).

6. The cross roller guide rail with position limiting function according to claim 5, characterized in that: Both ends of the retaining frame (1) are fixedly connected with soft rubber pads (15), and one side of the soft rubber pad (15) is in contact with the side surface of the retaining frame (1).

7. The cross roller guide rail with a position limiting function according to any one of claims 1 to 6, characterized in that: A gear (16) is provided at the center of the retaining frame (1), and rotating shafts (17) are fixedly connected to both sides of the gear (16). The rotating shaft (17) and the retaining frame (1) are rotatably connected. A rack (18) is fixedly connected to the middle of the guide rail body (2), and the rack (18) is meshed with the gear (16).

Images