Rotary joint structure and laser guide arm thereof

Abstract

The utility model relates to the technical field of laser guide arms, and discloses a rotary joint structure and a laser guide arm thereof, the rotary joint structure comprises a front joint, and a mirror base for reflecting laser is fixedly arranged in the front joint; the rotating assembly comprises a front rotating joint, a rear rotating joint, a tail joint, a front gear ring, a middle gear ring and a tail gear ring, the front rotating joint is arranged on one side of the front rotating joint in a sliding mode, the rear rotating joint is arranged on one side of the front rotating joint in a sliding mode, the tail joint is arranged on one side of the rear rotating joint in a sliding mode, and the front gear ring is fixedly arranged on the curved surface of the front joint; the middle gear ring is fixedly arranged on the curved surface of the front rotating joint, the tail gear ring is fixedly arranged on the curved surface of the tail joint, the three gears are meshed with the front gear ring, the middle gear ring and the tail gear ring respectively so as to drive angle transformation among the front joint, the front rotating joint, the rear rotating joint and the tail joint, and the mirror base can adapt to rotating angle transformation so as to be matched with a reflection light source. The design is relatively single, and maintenance and cleaning are relatively convenient.

Description

Technical Field

[0001] The utility model belongs to the technical field of laser light guide arms, and in particular relates to a rotary joint structure and a laser light guide arm thereof. Background Art

[0002] The rotary joint structure of the laser light guide arm is an important component of the laser light guide arm. It allows the light guide arm to rotate within a specific range, thereby adjusting the projection direction and position of the laser beam.

[0003] After searching, it was found that most of the existing rotary joints on the market are designed based on the movement of the human skeleton. In order to ensure the emission of the laser during use, this method requires the setting of an adjustment mechanism in conjunction with the lens to reflect the light source. This results in a more complicated joint structure design and is relatively inconvenient in maintenance and cleaning. Moreover, in order to ensure that the reflected light source is not affected, the angles that most rotary joints can rotate are limited, which cannot meet most market demands, resulting in limitations in the scope of application of the device.

[0004] In view of this, the present utility model is proposed. Utility Model Content

[0005] In order to solve the above technical problems of limited rotation angle and complicated structure, the basic concept of the technical solution adopted by the present invention is:

[0006] A rotary joint structure comprising

[0007] The front joint has a mirror mount fixedly provided inside for reflecting laser light;

[0008] A rotating assembly, the rotating assembly includes a front swivel joint, a rear swivel joint, a tail joint, a front gear ring, a middle gear ring and a tail gear ring, the front swivel joint is slidingly set on one side of the front joint, the rear swivel joint is slidingly set on one side of the front swivel joint, the tail joint is slidingly set on one side of the rear swivel joint, the front gear ring is fixedly set on the curved surface of the front joint, the middle gear ring is fixedly set on the curved surface of the front swivel joint, and the tail gear ring is fixedly set on the curved surface of the tail joint.

[0009] As a preferred embodiment of the present invention, the front joint and the tail joint have the same shape, and both are composed of a nail-shaped cylinder with an inclined surface. The front swivel joint and the rear swivel joint have the same shape, and both are composed of a cylinder with a trapezoidal cross-section. The inclined surface of the front joint corresponds to the inclined surface on one side of the front swivel joint, the inclined surface of the front swivel joint corresponds to the inclined surface of the rear swivel joint, and the inclined surface of the rear swivel joint corresponds to the inclined surface of the tail joint.

[0010] As a preferred embodiment of the present invention, there are four mirror seats, which respectively correspond to the inner circle shapes of the front joint, front rotation joint, rear rotation joint and tail joint, and a lens for reflection is fixedly provided on each of the four inner sides of the mirror seat.

[0011] As a preferred embodiment of the present invention, two supports are symmetrically fixed on the curved surface of the rear swivel joint, three supports are provided, and another support is fixed on the curved surface of the front swivel joint. The cross-section of the support is an L-shaped structure, and a gear is rotatably provided on the support.

[0012] As a preferred embodiment of the present invention, a sliding groove 1 is provided on the inclined surface of the tail joint, a slider 1 is fixedly provided on the inclined surface of the rear swivel joint close to the tail joint, and the slider 1 slides in the sliding groove 1, a sliding groove 2 is provided on the inclined surface of the rear swivel joint close to the front swivel joint, a slider 2 is fixedly provided on the inclined surface of the front swivel joint close to the rear swivel joint, and the slider 2 slides on the sliding groove 2.

[0013] As a preferred embodiment of the present invention, a slide groove three is provided on the inclined surface of the front rotation joint close to the front joint, and a slider three is fixedly provided on the inclined surface of the front joint. The slider three slides in the slide groove three. The slide groove one, the slide groove two and the slide groove three are all grooves with a trapezoidal cross-section. The slide groove two, the slider two and the slider three correspond to the shapes of the slide groove one, the slide groove two and the slide groove three respectively.

[0014] As a preferred embodiment of the present invention, the curved surface end of the front joint close to the inclined surface is fixedly connected to the front gear ring, the curved surface of the front swivel joint close to the rear swivel joint is fixedly connected to the middle gear ring, and the curved surface of the tail joint close to the rear swivel joint is fixedly connected to the tail gear ring, and the front gear ring, middle gear ring and tail gear ring respectively transmit and mesh with a gear.

[0015] A laser light guide arm comprises a laser light guide arm body, wherein the laser light guide arm body comprises all the above-mentioned rotating joint structures, and the front joint and the tail joint are respectively fixedly installed in the laser light guide arm body by bolts.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. By setting up a rotating assembly and a mirror mount, three gears engage the front gear ring, middle gear ring and tail gear ring respectively, thereby driving the angle changes between the front joint, front swivel joint, rear swivel joint and tail joint, and the mirror mount will adapt to the rotation angle change to match the reflected light source. This design is relatively simple and relatively convenient in maintenance and cleaning.

[0018] 2. By setting up a rotating component, the front joint, front swivel joint, rear swivel joint and tail joint are set as trapezoidal cylinder structures of different specifications. The laser angle is changed by the position change when rotating between the inclined surfaces. The three gears are respectively engaged to drive the front gear ring, middle gear ring and tail gear ring to control the rotation of the device. The angle range is large and can adapt to most needs on the market, thereby improving the applicability of the device.

[0019] The specific implementation of the present invention will be described in further detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In the attached figure:

[0021] Figure 1 It is an overall schematic diagram of the utility model;

[0022] Figure 2 It is a front view schematic diagram of the utility model;

[0023] Figure 3 This is a schematic diagram of the disassembly and assembly of the utility model;

[0024] Figure 4 It is a schematic diagram of the local structure of the utility model;

[0025] Figure 5 It is a half-section schematic diagram of the present utility model.

[0026] In the figure: 10, front joint; 12, front swivel joint; 13, rear swivel joint; 14, tail joint; 15, mirror base; 16, front gear ring; 17, middle gear ring; 18, tail gear ring; 19, slide 1; 20, slider 1; 21, slide 2; 22, slider 2; 23, slide 3; 24, slider 3; 25, support; 26, gear. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. The following embodiments are used to illustrate the present invention.

[0028] A rotary joint structure, such as Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5As shown, it includes a front joint 10, and a mirror seat 15 for reflecting laser light is fixedly set inside the front joint 10; a rotating assembly, which includes a front rotating joint 12, a rear rotating joint 13, a tail joint 14, a front gear ring 16, a middle gear ring 17 and a tail gear ring 18. The front rotating joint 12 is slidably set on one side of the front joint 10, the rear rotating joint 13 is slidably set on one side of the front rotating joint 12, and the tail joint 14 is slidably set on one side of the rear rotating joint 13. The front gear ring 16 is fixedly set on the curved surface of the front joint 10, the middle gear ring 17 is fixedly set on the curved surface of the front rotating joint 12, and the tail gear ring 18 is fixedly set on the curved surface of the tail joint 14; as shown Figure 1 and Figure 2 As shown, the front joint 10 and the tail joint 14 have the same shape, and both are composed of a nail-shaped cylinder with an inclined surface. The front swivel joint 12 and the rear swivel joint 13 have the same shape, and are both composed of a cylinder with a trapezoidal cross-section. The inclined surface of the front joint 10 corresponds to the inclined surface of one side of the front swivel joint 12, the inclined surface of the front swivel joint 12 corresponds to the inclined surface of the rear swivel joint 13, and the inclined surface of the rear swivel joint 13 corresponds to the inclined surface of the tail joint 14; as shown Figure 1 and Figure 5 As shown, there are four mirror mounts 15, which correspond to the inner circle shapes of the front joint 10, the front swivel joint 12, the rear swivel joint 13 and the tail joint 14 respectively. A lens for reflection is fixedly provided on each of the four inner sides of the mirror mount 15.

[0029] Specifically, the four mirror seats 15 provided in this device correspond to the inner circle shapes of the front joint 10, the front swivel joint 12, the rear swivel joint 13 and the tail joint 14 respectively. When in use, the rotation of the front joint 10, the front swivel joint 12, the rear swivel joint 13 and the tail joint 14 will synchronously drive the corresponding mirror seats 15 to rotate, and the laser will reflect the light source according to the position of the lenses on the inner sides of the four mirror seats 15. In this way, the mirror seat 15 can follow the rotation and change position of the front joint 10, the front swivel joint 12, the rear swivel joint 13 and the tail joint 14 and adapt to the change in rotation angle to cooperate with the reflected light source. Such a design is relatively simple and relatively convenient to maintain and clean.

[0030] like Figure 1 、 Figure 3 and Figure 4 As shown, two supports 25 are symmetrically fixed on the curved surface of the rear swivel joint 13, and there are three supports 25. Another support 25 is fixed on the curved surface of the front swivel joint 12. The cross section of the support 25 is an L-shaped structure, and a gear 26 is rotatably provided on the support 25; Figure 1 、 Figure 2 and Figure 3As shown, a slide groove 19 is provided on the inclined surface of the tail joint 14, a slider 20 is fixedly provided on the inclined surface of the rear swivel joint 13 near the tail joint 14, and the slider 20 slides in the slide groove 19, a slide groove 21 is provided on the inclined surface of the rear swivel joint 13 near the front swivel joint 12, and a slider 22 is fixedly provided on the inclined surface of the front swivel joint 12 near the rear swivel joint 13, and the slider 22 slides on the slide groove 21; Figure 1 、 Figure 2 and Figure 3 As shown, a third slide groove 23 is provided on the inclined surface of the front joint 12 near the front joint 10, and a third slider 24 is fixedly provided on the inclined surface of the front joint 10. The slider 24 slides in the third slide groove 23. The first slide groove 19, the second slide groove 21 and the third slide groove 23 are all notches with a trapezoidal cross-section. The second slide groove 21, the second slider 22 and the third slider 24 correspond to the shapes of the first slide groove 19, the second slide groove 21 and the third slide groove 23 respectively. Figure 1 、 Figure 2 and Figure 4 As shown, the curved surface end of the front joint 10 close to the inclined surface is fixedly connected to the front gear ring 16, the curved surface of the front swivel joint 12 close to the rear swivel joint 13 is fixedly connected to the middle gear ring 17, and the curved surface of the tail joint 14 close to the rear swivel joint 13 is fixedly connected to the tail gear ring 18. The front gear ring 16, the middle gear ring 17 and the tail gear ring 18 are respectively engaged with a gear 26.

[0031] Specifically, when in use, the laser light guide arm body can be rotated by directly adjusting the corresponding front joint 10, front swivel joint 12, rear swivel joint 13 and tail joint 14. The main performance is that when the front joint 10 is rotated, the front joint 10 can drive the front swivel joint 12, rear swivel joint 13 and tail joint 14 to rotate and change the laser position. When the front swivel joint 12 or the rear swivel joint 13 is rotated alone, the corresponding gears 26 will rotate around the front gear ring 16, the middle gear ring 17 and the tail gear ring 18 respectively, thereby rotating and sliding with the help of the corresponding inclined planes, thereby mobilizing The tail joint 14 rotates to change the lateral angle. The tail joint 14 is rotated alone, and the tail joint 14 cooperates to adapt to the position of the rear swivel joint 13 and performs angle change at this position. The three gears 26 respectively engage the front gear ring 16, the middle gear ring 17 and the tail gear ring 18, thereby driving the angle change between the front joint 10, the front swivel joint 12, the rear swivel joint 13 and the tail joint 14, and the mirror base 15 will adapt to the rotation angle change to cooperate with the reflected light source. Its angle range is large, which can meet most needs on the market, thereby improving the applicability of the device.

[0032] A laser light guide arm includes a laser light guide arm body, wherein a front joint 10 and a tail joint 14 are respectively fixedly installed in the laser light guide arm body by bolts. The laser light guide arm body is provided with the above-mentioned rotating joint structure, so that the device has the characteristics of convenient cleaning and maintenance and improved application range of the device.

[0033] It is understood that the present invention is described by way of certain embodiments, and those skilled in the art will appreciate that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. Furthermore, under the guidance of the present invention, these features and embodiments may be modified to suit specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are intended to be protected by the present invention.

Claims

1. A rotary joint structure, characterized in that: include A front joint (10), wherein a mirror seat (15) for reflecting laser light is fixedly provided inside the front joint (10); A rotating assembly, comprising a front rotating joint (12), a rear rotating joint (13), a tail joint (14), a front gear ring (16), a middle gear ring (17) and a tail gear ring (18), wherein the front rotating joint (12) is slidably arranged on one side of the front joint (10), the rear rotating joint (13) is slidably arranged on one side of the front rotating joint (12), the tail joint (14) is slidably arranged on one side of the rear rotating joint (13), the front gear ring (16) is fixedly arranged on the curved surface of the front joint (10), the middle gear ring (17) is fixedly arranged on the curved surface of the front rotating joint (12), and the tail gear ring (18) is fixedly arranged on the curved surface of the tail joint (14).

2. A rotary joint structure according to claim 1, characterized in that: The front joint (10) and the tail joint (14) have the same shape, and both the front joint (10) and the tail joint (14) are composed of a nail-shaped cylinder with an inclined surface. The front swivel joint (12) and the rear swivel joint (13) have the same shape, and both are composed of a cylinder with a trapezoidal cross-section. The inclined surface of the front joint (10) corresponds to the inclined surface of one side of the front swivel joint (12), the inclined surface of the front swivel joint (12) corresponds to the inclined surface of the rear swivel joint (13), and the inclined surface of the rear swivel joint (13) corresponds to the inclined surface of the tail joint (14).

3. A rotary joint structure according to claim 1, characterized in that: Four mirror seats (15) are provided, and the four mirror seats (15) respectively correspond to the inner circle shapes of the front joint (10), the front rotation joint (12), the rear rotation joint (13) and the tail joint (14). A lens for reflection is fixedly provided on each of the four inner sides of the mirror seat (15).

4. A rotary joint structure according to claim 1, characterized in that: Two supports (25) are symmetrically fixed on the curved surface of the rear swivel joint (13), and three supports (25) are provided. Another support (25) is fixedly provided on the curved surface of the front swivel joint (12). The cross section of the support (25) is shaped like an L-shaped structure, and a gear (26) is rotatably provided on the support (25).

5. The rotary joint structure according to claim 1, characterized in that: A first slide groove (19) is provided on the inclined surface of the tail joint (14); a first slider (20) is fixedly provided on the inclined surface of the rear rotation joint (13) close to the tail joint (14); the first slider (20) slides in the first slide groove (19); a second slide groove (21) is provided on the inclined surface of the rear rotation joint (13) close to the front rotation joint (12); a second slider (22) is fixedly provided on the inclined surface of the front rotation joint (12) close to the rear rotation joint (13); the second slider (22) slides on the second slide groove (21).

6. A rotary joint structure according to claim 5, characterized in that: A slide groove three (23) is provided on the inclined surface of the front joint (10) near the front joint (10), and a slider three (24) is fixedly provided on the inclined surface of the front joint (10). The slider three (24) slides in the slide groove three (23). The slide groove one (19), the slide groove two (21) and the slide groove three (23) are all notches with a trapezoidal cross-section. The slide groove two (21), the slider two (22) and the slider three (24) correspond to the shapes of the slide groove one (19), the slide groove two (21) and the slide groove three (23) respectively.

7. The rotary joint structure according to claim 4, characterized in that: The curved surface end of the front joint (10) close to the inclined surface is fixedly connected to the front gear ring (16), the curved surface of the front rotary joint (12) close to the rear rotary joint (13) is fixedly connected to the middle gear ring (17), and the curved surface of the tail joint (14) close to the rear rotary joint (13) is fixedly connected to the tail gear ring (18), and the front gear ring (16), the middle gear ring (17) and the tail gear ring (18) are respectively engaged with a gear (26).

8. A laser light guide arm, comprising a laser light guide arm body, characterized in that: The laser light guide arm body is provided with a rotary joint structure according to any one of claims 1 to 7, and the front joint (10) and the tail joint (14) are respectively fixedly mounted in the laser light guide arm body by bolts.

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