3D glasses

Abstract

The utility model discloses a pair of 3D (three-dimensional) glasses, which relates to the technical field of 3D glasses and comprises two lenses, and mounting devices are arranged on the outer sides of the two lenses. By arranging the outer frame, the first ultrasonic press-fit line, the inner frame, the sleeve, the mounting plate, the second ultrasonic press-fit line and the convex block, the outer frame is sleeved on the outer surface of the inner frame, the outer surface of the mounting plate is matched with the inner wall of the mounting groove, the inner frame and the outer frame are temporarily positioned, and the front end of the convex block is moved into the sleeve; the outer surface of the first ultrasonic pressing line is moved into the second ultrasonic pressing line, then ultrasonic wave is used for welding, the inner wall of the sleeve and the outer surface of the protruding block are welded together, and the outer surface of the first ultrasonic pressing line and the inner wall of the second ultrasonic pressing line are welded together. The inner frame and the outer frame are connected together, the lenses are positioned, the relative positions of the lenses and the inner frame and the outer frame are stable, and the lenses are prevented from being separated from the inner frame and the outer frame when the 3D glasses shake.

Description

TECHNICAL FIELD

[0001] The utility model relates to 3D glasses technical field, concretely relates to 3D glasses. BACKGROUND

[0002] 3D glasses adopts the most advanced "time division method" of today, realizes through the signal of 3D glasses and display synchronization, when the display output left eye image, left eye lens is transparent state, and right eye is not transparent state, and in the display output right eye image, right eye lens is transparent while left eye is not transparent, so two glasses see different game pictures, reach the purpose of cheating eyes.

[0003] Chinese patent discloses a kind of 3D glasses, and the publication number is CN202256889U, including frame and lens, its characterized in that frame both ends are connected with the headband of telescopic structure, the frame is along the edge of lens four around and is provided with a recess for accommodating ordinary glasses.One kind of 3D glasses, structure design is reasonable and simple, it is simple and convenient to use, can be combined with ordinary glasses together well, so that the person wearing glasses can easily wear 3D glasses on the basis of original glasses, improve the comfort of people watching 3D movie.

[0004] But still include following shortcoming: device and utilize lens edge to be stuck in frame, complete lens and frame assembly, but because lens size is less than frame inner ring size, make glasses structure unstable, when glasses fall, lens is easy to separate from frame.For this, we propose 3D glasses to solve this problem. UTILITY MODEL CONTENTS

[0005] The utility model provides 3D glasses to solve the problem in the background art.

[0006] To solve the above technical problems, the technical scheme adopted by the utility model is:

[0007] 3D glasses, including two lenses, two the lens outside is provided with mounting device, the mounting device includes installation part;

[0008] The installation part includes outer frame, first ultrasonic wave compression line, inner frame, mounting plate, second ultrasonic wave compression line, sleeve and lug, the outer frame is sleeved on the outer surface of inner frame, the outer surface of inner frame is matched with the inner wall of outer frame, the lens is arranged between inner frame and outer frame, the back of first ultrasonic wave compression line is fixedly connected with the front of inner frame, the front of second ultrasonic wave compression line is fixedly connected with the inner wall of outer frame, the front of first ultrasonic wave compression line is extruded and contacted with the back of lens, the sleeve is slidably sleeved on the outer surface of lug front end, the outer surface of mounting plate is fixedly connected with the inner wall of outer frame;

[0009] The inner frame rear is provided with wearing part;

[0010] The wearing part comprises a wearing frame and an elastic clamping plate, and the back surface of the elastic clamping plate is fixedly connected with the front surface of the wearing frame.

[0011] Further improvement of the technical scheme of the utility model lies in that the first ultrasonic compression line front end outer surface extends to the second ultrasonic compression line inside and is matched with the second ultrasonic compression line inner wall, and the second ultrasonic compression line inner wall and the first ultrasonic compression line outer surface are ultrasonic welded, and by arranging the first ultrasonic compression line and the second ultrasonic compression line, the lens can be positioned.

[0012] Further improvement of the technical scheme of the utility model lies in that the second ultrasonic compression line outer surface is provided with a notch, the lens outer surface is provided with a protrusion, and the lens outer surface extends to the notch inside, and by arranging the protrusion and the notch, the left and right lenses can be distinguished, and installation errors can be prevented.

[0013] Further improvement of the technical scheme of the utility model lies in that the sleeve front surface is fixedly connected with the outer frame inner wall, the protrusion back surface is fixedly connected with the inner frame front surface, and the sleeve inner wall and the protrusion outer surface are ultrasonic welded, and by arranging the sleeve and the protrusion, the inner frame and the outer frame can be connected.

[0014] Further improvement of the technical scheme of the utility model lies in that the inner frame outer surface is provided with a mounting groove, the mounting plate outer surface extends to the mounting groove inside, and the mounting plate outer surface and the mounting groove inner wall are interference fit, and by arranging the mounting plate, the inner frame and the outer frame can be temporarily connected, and ultrasonic welding can be carried out subsequently.

[0015] Further improvement of the technical scheme of the utility model lies in that the wearing part further comprises a connecting shaft, the elastic clamping plate is arranged inside the inner frame, the inner frame inner wall is fixedly connected with the connecting shaft outer surface, and the elastic clamping plate is slidably sleeved on the connecting shaft outer surface, and by arranging the elastic clamping plate and the rotating shaft, the wearing frame can be connected with the inner frame.

[0016] Further improvement of the technical scheme of the utility model lies in that the wearing frame comprises an integrated frame, the two integrated frame rear ends are mutually curved and close and extend downward, and the integrated frame is integrally injection molded and shaped, production cost is saved, and the device can be assembled conveniently.

[0017] The further improvement of the technical scheme of the utility model lies in that the wearing frame comprises a split frame, a connecting frame and a connecting sleeve, an adaptive groove is formed on the outer surface of the split frame, the rear end of the connecting frame extends into the adaptive groove and is adapted to the inner wall of the adaptive groove, a butt joint hole is formed on the outer surface of the connecting frame, the connecting sleeve is arranged in the butt joint hole, connecting bolts are arranged on the outer side of the split frame, and the outer surfaces of the connecting bolts are threaded through the outer surfaces of the split frame and the connecting sleeve in sequence and extend into the connecting sleeve, and the connecting frame and the split frame are arranged, so that the replacement of parts can be carried out individually according to the different wear degrees of different parts.

[0018] Due to the adoption of the above technical scheme, the utility model has the following technical progress compared with the prior art:

[0019] 1. The utility model provides 3D glasses, through setting up outer frame, first ultrasonic wave compression line, inner frame, sleeve, mounting plate, mounting groove, second ultrasonic wave compression line and convex block, when installing, place the lens in the inboard of second ultrasonic wave compression line, the outer frame is set in the outer surface of the inner frame, utilize the outer surface of mounting plate and the inner wall of mounting groove are adapted to, carry out temporary positioning to the inner frame and outer frame, the front end of convex block removes into the inside of sleeve, first ultrasonic wave compression line removes into the inside of second ultrasonic wave compression line, then utilize ultrasonic wave and carry out welding, make sleeve inner wall and the outer surface of convex block weld together, first ultrasonic wave compression line outer surface and second ultrasonic wave compression line inner wall weld together, the compact structure of device, convenient to install, use ultrasonic wave welding technology, make the inner frame and outer frame connect together, position the lens, the relative position of lens and inner frame and outer frame is stable, avoid 3D glasses shaking, and lens and inner frame and outer frame separate.

[0020] 2. The utility model provides 3D glasses, through setting up gap, utilize the convex of lens and gap position alignment, it is convenient for distinguishing 3D glasses left and right lens position, prevent when installing lens, left and right lens position installation error, utilize physical limit, improve device installation identification, improve lens installation efficiency, guarantee product final quality.

[0021] 3. The utility model provides 3D glasses, through setting up integrated frame, elastic card and connecting shaft, utilize the elasticity of elastic card, it is convenient for the assembly of integrated frame and inner frame, utilize integrated injection molding process, carry out integrated injection molding to integrated frame, reduce the part loss and excessive processing procedure caused by too many parts, reduce the artificial cost of device assembly, improve processing efficiency.

[0022] 4, the utility model provides 3D glasses, through setting up elastic card board, split frame, connecting frame, connecting sleeve, butt joint hole, connecting shaft and adaptive slot, when installing, utilize split frame and connecting frame, utilize the elasticity of connecting frame, it is convenient for the assembly of connecting frame and inner frame, utilize multiple injection molding procedures, it is convenient for the replacement of too much wearing parts, reduce the replacement times of less wearing parts, save the use cost of device. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is 3D glasses three-dimensional structure schematic diagram of the utility model;

[0024] Figure 2 It is 3D glasses three-dimensional structure explosion drawing in example 1 of the utility model;

[0025] Figure 3 It is Figure 2 structure enlarged view in A place of example 1;

[0026] Figure 4 It is Figure 2 structure enlarged view in B place of example 1;

[0027] Figure 5 It is 3D glasses partial structure schematic diagram in example 2 of the utility model;

[0028] Figure 6 It is Figure 5 structure enlarged view in C place of example 2;

[0029] Figure 7 It is the outer frame three-dimensional structure schematic diagram of the utility model.

[0030] In the drawing: 1, lens; 3, mounting device; 31, installation part; 32, wearing part; 311, outer frame; 312, first ultrasonic wave compression line; 313, inner frame; 314, sleeve; 315, mounting plate; 316, notch; 317, installation groove; 319, second ultrasonic wave compression line; 310, lug; 321, wearing frame; 3201, elastic card board; 3202, split frame; 3203, connecting frame; 3204, connecting sleeve; 3205, butt joint hole; 3206, integrated frame; 3207, connecting shaft; 3208, adaptive slot. DETAILED DESCRIPTION

[0031] The utility model will be further explained in detail in combination with example:

[0032] Example 1

[0033] As Figures 1-7 shown, the utility model provides 3D glasses, including two lenses 1, two lenses 1 outside is provided with mounting device 3, and mounting device 3 includes installation part 31;

[0034] The mounting part 31 comprises an outer frame 311, a first ultrasonic compression line 312, an inner frame 313, a mounting plate 315, a second ultrasonic compression line 319, a sleeve 314 and a protrusion 310, the outer frame 311 is sleeved on the outer surface of the inner frame 313, the outer surface of the inner frame 313 is matched with the inner wall of the outer frame 311, the lens 1 is arranged between the inner frame 313 and the outer frame 311, the back surface of the first ultrasonic compression line 312 is fixedly connected with the front surface of the inner frame 313, the front surface of the second ultrasonic compression line 319 is fixedly connected with the inner wall of the outer frame 311, the front surface of the first ultrasonic compression line 312 is in extrusion contact with the back surface of the lens 1, the sleeve 314 is sleeved on the outer surface of the front end of the protrusion 310 in a sliding mode, and the outer surface of the mounting plate 315 is fixedly connected with the inner wall of the outer frame 311;

[0035] The outer surface of the inner frame 313 is provided with a mounting groove 317, the outer surface of the mounting plate 315 extends to the inside of the mounting groove 317, and the outer surface of the mounting plate 315 is in interference fit with the inner wall of the mounting groove 317;

[0036] The front end of the first ultrasonic compression line 312 extends to the inside of the second ultrasonic compression line 319 and is matched with the inner wall of the second ultrasonic compression line 319, the inner wall of the second ultrasonic compression line 319 is ultrasonically welded with the outer surface of the first ultrasonic compression line 312, the outer surface of the second ultrasonic compression line 319 is provided with a notch 316, the outer surface of the lens 1 is provided with a protrusion, the outer surface of the lens 1 extends to the inside of the notch 316, by arranging the notch 316, the protrusion on the lens 1 is aligned with the position of the notch 316, the positions of the left and right lenses 1 of the 3D glasses are facilitated to be distinguished, the left and right lenses 1 are prevented from being installed in error during the installation of the lens 1, physical limiting is utilized, installation recognition of the device is improved, installation efficiency of the lens 1 is improved, and the final quality of the product is ensured;

[0037] The front surface of the sleeve 314 is fixedly connected with the inner wall of the outer frame 311, the back surface of the convex block 310 is fixedly connected with the front surface of the inner frame 313, the inner wall of the sleeve 314 is ultrasonic wave welded with the outer surface of the convex block 310, and the outer frame 311, the first ultrasonic wave pressing line 312, the inner frame 313, the sleeve 314, the mounting plate 315, the mounting groove 317, the second ultrasonic wave pressing line 319 and the convex block 310 are arranged, when mounting, the lens 1 is placed inside the second ultrasonic wave pressing line 319, the outer frame 311 is sleeved on the outer surface of the inner frame 313, the outer surface of the mounting plate 315 is matched with the inner wall of the mounting groove, the inner frame 313 and the outer frame 311 are temporarily positioned, the front end of the convex block 310 moves into the sleeve 314, the outer surface of the first ultrasonic wave pressing line 312 moves into the second ultrasonic wave pressing line 319, and then the sleeve 314 and the convex block 310 are welded together by using ultrasonic wave welding technology, the outer surface of the first ultrasonic wave pressing line 312 and the inner wall of the second ultrasonic wave pressing line 319 are welded together, the device structure is compact, the mounting is convenient, the ultrasonic wave welding technology is used, the inner frame 313 and the outer frame 311 are connected together, the lens 1 is positioned, the relative position of the lens 1, the inner frame 313 and the outer frame 311 is stable, and the lens 1, the inner frame 313 and the outer frame 311 are prevented from being separated when the 3D glasses shake;

[0038] The wearing part 32 is arranged at the rear of the inner frame 313.

[0039] The wearing part 32 comprises a wearing frame 321 and an elastic clamping plate 3201, and the back surface of the elastic clamping plate 3201 is fixedly connected with the front surface of the wearing frame 321.

[0040] The wearing part 32 further comprises a connecting shaft 3207, the elastic clamping plate 3201 is arranged inside the inner frame 313, the inner wall of the inner frame 313 is fixedly connected with the outer surface of the connecting shaft 3207, and the elastic clamping plate 3201 is slidably sleeved on the outer surface of the connecting shaft 3207.

[0041] The wearing frame 321 comprises an integrated frame 3206, the rear ends of the two integrated frames 3206 are bent and close to each other and extend downward, the integrated frame 3206, the elastic clamping plate 3201 and the connecting shaft 3207 are arranged, the elasticity of the elastic clamping plate 3201 is utilized, the assembly of the integrated frame 3206 and the inner frame 313 is facilitated, the integrated frame 3206 is integrally injection molded by using an integrated injection molding process, part loss caused by too many parts and too many processing procedures are reduced, the labor cost of device assembly is reduced, and the processing efficiency is improved.

[0042] Embodiment 2

[0043] As shown in the embodiment 1, the utility model provides technical scheme based on the embodiment 1: Figures 1-7 The 3D glasses comprise two lenses 1, the two lenses 1 are provided with a mounting device 3 on the outer side, and the mounting device 3 comprises a mounting part 31.

[0044] The mounting part 31 comprises an outer frame 311, a first ultrasonic compression line 312, an inner frame 313, a mounting plate 315, a second ultrasonic compression line 319, a sleeve 314 and a protrusion 310, the outer frame 311 is sleeved on the outer surface of the inner frame 313, the outer surface of the inner frame 313 is matched with the inner wall of the outer frame 311, the lens 1 is arranged between the inner frame 313 and the outer frame 311, the back surface of the first ultrasonic compression line 312 is fixedly connected with the front surface of the inner frame 313, the front surface of the second ultrasonic compression line 319 is fixedly connected with the inner wall of the outer frame 311, the front surface of the first ultrasonic compression line 312 is in extrusion contact with the back surface of the lens 1, the sleeve 314 is sleeved on the outer surface of the front end of the protrusion 310 in a sliding mode, and the outer surface of the mounting plate 315 is fixedly connected with the inner wall of the outer frame 311;

[0045] The outer surface of the inner frame 313 is provided with a mounting groove 317, the outer surface of the mounting plate 315 extends to the inside of the mounting groove 317, and the outer surface of the mounting plate 315 is in interference fit with the inner wall of the mounting groove 317;

[0046] The front end of the first ultrasonic compression line 312 extends to the inside of the second ultrasonic compression line 319 and is matched with the inner wall of the second ultrasonic compression line 319, the inner wall of the second ultrasonic compression line 319 is ultrasonically welded with the outer surface of the first ultrasonic compression line 312, the outer surface of the second ultrasonic compression line 319 is provided with a notch 316, the outer surface of the lens 1 is provided with a protrusion, the outer surface of the lens 1 extends to the inside of the notch 316, by arranging the notch 316, the protrusion on the lens 1 is aligned with the position of the notch 316, the positions of the left and right lenses 1 of the 3D glasses are distinguished, the left and right lenses 1 are prevented from being installed in error during the installation of the lens 1, physical limiting is utilized, the installation recognition of the device is improved, the installation efficiency of the lens 1 is improved, and the final quality of the product is ensured;

[0047] The front surface of the sleeve 314 is fixedly connected with the inner wall of the outer frame 311, the back surface of the convex block 310 is fixedly connected with the front surface of the inner frame 313, the inner wall of the sleeve 314 is ultrasonic welded with the outer surface of the convex block 310, by arranging the outer frame 311, the first ultrasonic pressing line 312, the inner frame 313, the sleeve 314, the mounting plate 315, the mounting groove 317, the second ultrasonic pressing line 319 and the convex block 310, during installation, the lens 1 is placed inside the second ultrasonic pressing line 319, the outer frame 311 is sleeved on the outer surface of the inner frame 313, the outer surface of the mounting plate 315 is matched with the inner wall of the mounting groove, the inner frame 313 and the outer frame 311 are temporarily positioned, the front end of the convex block 310 moves into the sleeve 314, the outer surface of the first ultrasonic pressing line 312 moves into the second ultrasonic pressing line 319, and then ultrasonic welding is used to weld the inner wall of the sleeve 314 and the outer surface of the convex block 310 together, and the outer surface of the first ultrasonic pressing line 312 and the inner wall of the second ultrasonic pressing line 319 are welded together, so that the device is compact in structure and convenient to install, the ultrasonic welding technology is used to connect the inner frame 313 and the outer frame 311 together, the lens 1 is positioned, the relative position of the lens 1, the inner frame 313 and the outer frame 311 is stable, and the lens 1, the inner frame 313 and the outer frame 311 are prevented from being separated when the 3D glasses shake;

[0048] The inner frame 313 is provided with a wearing part 32 at the back;

[0049] The wearing part 32 comprises a wearing frame 321 and an elastic clamping plate 3201, and the back surface of the elastic clamping plate 3201 is fixedly connected with the front surface of the wearing frame 321;

[0050] The wearing part 32 further comprises a connecting shaft 3207, the elastic clamping plate 3201 is arranged inside the inner frame 313, the inner wall of the inner frame 313 is fixedly connected with the outer surface of the connecting shaft 3207, and the elastic clamping plate 3201 is sleeved on the outer surface of the connecting shaft 3207;

[0051] The wearing frame 321 comprises a split frame 3202, a connecting frame 3203 and a connecting sleeve 3204, the split frame 3202 is provided with an adaptive groove 3208 on the outer surface, the connecting frame 3203 extends to the inside of the adaptive groove 3208 and is matched with the inner wall of the adaptive groove 3208, the connecting frame 3203 is provided with a butt joint hole 3205 on the outer surface, the connecting sleeve 3204 is arranged in the butt joint hole 3205, the split frame 3202 is provided with a connecting bolt on the outer side, the connecting bolt is threaded through the outer surfaces of the split frame 3202 and the connecting sleeve 3204 and extends to the inside of the connecting sleeve 3204 in sequence, through the split frame 3202, the connecting frame 3203, the connecting sleeve 3204, the butt joint hole 3205, the connecting shaft 3207 and the adaptive groove 3208, when installation, the split frame 3202 and the connecting frame 3203 are utilized, the elasticity of the connecting frame 3203 is utilized, the assembly of the connecting frame 3203 and the inner frame 313 is facilitated, the multiple injection molding processes are utilized, the parts with too much wear are replaced, the replacement times of the parts with less wear are reduced, and the use cost of the device is saved.

[0052] The further improvement of the technical scheme of the utility model is that when the wearing visual angle is the main visual angle, the included angle between the absorption axis of the polarizer of the left piece and the axis of the compensation film is 45 degrees, and the error cannot exceed plus or minus 1 degree, and the included angle between the absorption axis of the polarizer of the right piece and the axis of the compensation film is 135 degrees, and the error cannot exceed plus or minus 1 degree.

[0053] The working principle of the 3D glasses will be described in detail below.

[0054] When installation, the lens 1 is placed in the inside of the second ultrasonic wave compression first line 319, the inner frame 313 is moved into the inside of the outer frame 311, the outer surface of the mounting plate 315 is extruded with the inner wall of the mounting groove, the inner frame 313 and the outer frame 311 are temporarily positioned, the front end of the convex block 310 is moved into the inside of the sleeve 314, the outer surface of the first ultrasonic wave compression line 312 is moved into the inside of the second ultrasonic wave compression line 319, then ultrasonic wave is utilized for welding, the inner wall of the sleeve 314 and the outer surface of the convex block 310 are welded together, the outer surface of the first ultrasonic wave compression line 312 and the inner wall of the second ultrasonic wave compression line 319 are welded together, finally the elastic clamping plate 3201 is sleeved on the outer surface of the connecting shaft 3207.

[0055] The foregoing has described the utility model in detail, but some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, the modifications or improvements without departing from the spirit of the utility model are within the protection scope of the utility model.

Claims

1. 3D glasses comprising two lenses (1), characterized in that: Two said lenses (1) outside are provided with mounting devices (3), the mounting device (3) includes mounting part (31); The mounting part (31) includes an outer frame (311), a first ultrasonic compression line (312), an inner frame (313), a mounting plate (315), a second ultrasonic compression line (319), a sleeve (314) and a protruding block (310), the outer frame (311) is sleeved on the outer surface of the inner frame (313), the outer surface of the inner frame (313) is matched with the inner wall of the outer frame (311), the lens (1) is arranged between the inner frame (313) and the outer frame (311), the back surface of the first ultrasonic compression line (312) is fixedly connected with the front surface of the inner frame (313), the front surface of the second ultrasonic compression line (319) is fixedly connected with the inner wall of the outer frame (311), the front surface of the first ultrasonic compression line (312) is in extrusion contact with the back surface of the lens (1), the sleeve (314) is slidably sleeved on the outer surface of the front end of the protruding block (310), and the outer surface of the mounting plate (315) is fixedly connected with the inner wall of the outer frame (311); The inner frame (313) is provided with a wearing part (32) behind; The wearing part (32) includes a wearing frame (321) and an elastic clamping plate (3201), and the back surface of the elastic clamping plate (3201) is fixedly connected with the front surface of the wearing frame (321).

2. The 3D glasses of claim 1, wherein: The front end of the first ultrasonic compression line (312) extends to the inside of the second ultrasonic compression line (319) and is matched with the inner wall of the second ultrasonic compression line (319), and the inner wall of the second ultrasonic compression line (319) is ultrasonically welded with the outer surface of the first ultrasonic compression line (312).

3. The 3D glasses of claim 1, wherein: The outer surface of the second ultrasonic compression line (319) is provided with a notch (316), and the outer surface of the lens (1) is provided with a protrusion, and the outer surface of the lens (1) extends to the inside of the notch (316).

4. The 3D glasses of claim 1, wherein: The front surface of the sleeve (314) is fixedly connected with the inner wall of the outer frame (311), the back surface of the protruding block (310) is fixedly connected with the front surface of the inner frame (313), and the inner wall of the sleeve (314) is ultrasonically welded with the outer surface of the protruding block (310).

5. The 3D glasses of claim 1, wherein: The outer surface of the inner frame (313) is provided with a mounting groove (317), and the outer surface of the mounting plate (315) extends to the inside of the mounting groove (317), and the outer surface of the mounting plate (315) is in interference fit with the inner wall of the mounting groove (317).

6. The 3D glasses of claim 1, wherein: The wearing part (32) further includes a connecting shaft (3207), the elastic clamping plate (3201) is arranged in the inner frame (313), the inner wall of the inner frame (313) is fixedly connected with the outer surface of the connecting shaft (3207), and the elastic clamping plate (3201) is slidably sleeved on the outer surface of the connecting shaft (3207).

7. The 3D glasses of claim 1, wherein: The wearing frame (321) includes an integrated frame (3206), and the rear ends of two integrated frames (3206) are bent close to each other and extend downward.

8. The 3D glasses of claim 1, wherein: The wearing frame (321) comprises a split frame (3202), a connecting frame (3203) and a connecting sleeve (3204), an adaptive slot (3208) is arranged on the outer surface of the split frame (3202), the rear end of the connecting frame (3203) extends to the inside of the adaptive slot (3208) and is matched with the inner wall of the adaptive slot (3208), a butt joint hole (3205) is arranged on the outer surface of the connecting frame (3203), the connecting sleeve (3204) is arranged in the butt joint hole (3205), and connecting bolts are arranged on the outer side of the split frame (3202), and the outer surfaces of the connecting bolts are sequentially threaded through the outer surfaces of the split frame (3202) and the connecting sleeve (3204) and extend to the inside of the connecting sleeve (3204).

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