Combined wall structure capable of being quickly clamped and mounted

Abstract

The invention relates to the technical field of combined wall bodies, discloses a combined wall body structure capable of being quickly clamped and mounted, and solves the problems that a panel of an existing combined wall body is generally mounted by adopting a large number of bolts and keels, the labor amount of operators is increased, and the working efficiency is reduced. Second vertical keels are arranged on the left side and the right side of the first vertical keel correspondingly, third vertical keels are arranged on the sides, away from each other, of the two second vertical keels correspondingly, and a plurality of transverse keels are fixedly installed among the first vertical keel, the two second vertical keels and the two third vertical keels. The front side surface and the rear side surface of each of the first vertical keel, the two second vertical keels and the two third vertical keels are each provided with three inserting grooves. According to the combined wall body, the panel can be quickly clamped to the keel, so that an operator can conveniently mount the combined wall body, the labor amount of the operator is reduced, and the working efficiency is improved.

Description

Technical Field

[0001] The invention belongs to the technical field of modular walls, and in particular relates to a modular wall structure that can be quickly snap-fitted and installed. Background Art

[0002] Modular wall is a new type of building construction method different from traditional solid wall. It is mainly composed of multiple materials to achieve multiple performance requirements such as light weight, high strength, sound insulation, fire resistance and waterproofness. Modular wall is a wall system composed of keels (such as wooden keels, light steel keels, etc.) and panels (such as paper-faced gypsum boards, glass magnesium boards, calcium silicate boards, etc.). This kind of wall has the characteristics of light weight, high strength, convenient construction, good sound insulation, and excellent fire and waterproof performance. Its weight per square meter is usually 5-9 of that of traditional clay solid brick walls, which greatly reduces the load on the building.

[0003] The panels of existing modular walls are usually installed using a large number of bolts and keels. Since a large number of bolts are used and additional tightening tools are required, it is not convenient for operators to install them quickly, thereby increasing the workload of operators and reducing work efficiency. Summary of the invention

[0004] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a modular wall structure that can be quickly snap-fitted and installed, which effectively solves the problem that the panels of the existing modular walls in the above background technology are usually installed with a large number of bolts and keels, which increases the workload of operators and reduces work efficiency.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a modular wall structure that can be quickly snapped together and installed, comprising a first vertical keel, second vertical keels are arranged on both sides of the left and right sides of the first vertical keel, third vertical keels are arranged on the sides of the two second vertical keels away from each other, a plurality of horizontal keels are fixedly installed between the first vertical keel, the two second vertical keels and the two third vertical keels, three slots are opened on the front and rear side surfaces of the first vertical keel, the two second vertical keels and the two third vertical keels, a first panel is arranged on one side of the first vertical keel, the two second vertical keels and the two third vertical keels, and the first vertical keel is fixedly installed between the first vertical keel, the two second vertical keels and the two third vertical keels. A second panel is provided on the side away from the first panel, two second vertical purlins and two third vertical purlins; plug-in blocks matching the number of slots are fixedly installed on the side where the first panel and the second panel are close to each other; arc-shaped card slots are provided inside the plug-in blocks; an installation cavity is provided on the upper part of the first panel; a movable baffle is hinged on one side of the installation cavity; connecting frames are fixedly installed on both ends of the first vertical purlin, two second vertical purlins and two third vertical purlins; two connecting holes are provided on both ends of the connecting frames; quick clamping components are provided between the first vertical purlin, two second vertical purlins, two third vertical purlins and the inside of the installation cavity.

[0006] Preferably, the quick-clamp assembly includes a first support rod and two first shaft seats, the first support rod is fixedly mounted on one side of the top of the first vertical keel, a first shaft sleeve is fixedly mounted on the top of the first support rod, a first shaft rod is rotatably mounted inside the first shaft sleeve, one end of the first shaft rod extends into the interior of the mounting cavity and a hand wheel is fixedly mounted thereon, a first bevel gear is fixedly mounted on the other end of the first shaft rod, and the two first shaft seats are respectively fixedly mounted on the top of the inside of the two second vertical keels.

[0007] Preferably, the lower part of the surface of the first bevel gear is meshedly connected with a second bevel gear, the bottom of the second bevel gear is fixedly installed with a second shaft rod, the bottom of the second shaft rod extends to the interior of the first vertical keel and is fixedly installed with a first sprocket, the bottom of the first sprocket is fixedly installed with a second sprocket, and a second sleeve is rotatably installed on the surface of the second shaft rod, and the second sleeve is fixedly installed in the middle of the top of the first vertical keel.

[0008] Preferably, a first rotating rod is rotatably mounted at the bottom of the first shaft seat, a third bevel gear is fixedly mounted at the bottom of the first rotating rod, a third sprocket is fixedly mounted at the bottom of the third bevel gear, and chains are meshed and connected between the first sprocket, the second sprocket and the two third sprockets.

[0009] Preferably, the surface of the third bevel gear is meshedly connected with the fourth bevel gear, the sides of the two fourth bevel gears away from each other are fixedly installed with a third shaft rod, the ends of the two third shaft rods away from each other respectively extend to the interior of the two third vertical keels and are fixedly installed with a fifth bevel gear, the surfaces of the two third shaft rods are rotatably installed with third shaft sleeves, and the four third shaft sleeves are respectively fixedly connected to the two second vertical keels and the two third vertical keels.

[0010] Preferably, the lower part of the surface of the fifth bevel gear is meshed and connected with the sixth bevel gear, the tops of the two sixth bevel gears are fixedly installed with second rotating rods, the tops of the two second rotating rods are rotatably installed with second axle seats, and the tops of the two second axle seats are respectively fixedly connected to the tops of the inside of the two third vertical keels.

[0011] Preferably, the bottoms of the second sprocket, the two third sprockets and the two sixth bevel gears are all fixedly installed with transmission rods, the bottoms of the transmission rods are rotatably installed with positioning shaft seats, and the bottoms of the five positioning shaft seats are respectively fixedly connected to the bottoms inside the first vertical keel, the two second vertical keels and the two third vertical keels.

[0012] Preferably, two positioning sleeves are provided inside the first vertical keel, the two second vertical keels and the two third vertical keels, and two second support rods are symmetrically fixedly installed on the surface of the positioning sleeves, one end of the second support rods are respectively fixedly connected to the inside of the first vertical keel, the two second vertical keels and the two third vertical keels, and the five transmission rods are respectively rotatably installed inside the positioning sleeves.

[0013] Preferably, three fixed sleeves are vertically and equidistantly fixedly installed on the surfaces of the five transmission rods, two connecting rods are symmetrically fixedly installed on the circumferential surfaces of the fixed sleeves, and an arc-shaped clamping strip is fixedly installed on one end of the connecting rod, and the arc-shaped clamping strip matches the arc-shaped clamping groove.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] (1) During work, the operator first aligns the connecting frames at both ends of the first vertical keel, the two second vertical keels, and the two third vertical keels with the top plate and the bottom plate of the building, and then fixes the first vertical keel, the two second vertical keels, and the two third vertical keels by cooperating with the expansion bolts and the connecting holes; when installing the first panel and the second panel, the operator inserts the plugs on the first panel and the second panel into the corresponding slots, and then the operator rotates the hand wheel to drive the first shaft rod to rotate along the inside of the first shaft sleeve, and when the first shaft rod rotates, the second bevel gear is driven to rotate through the first bevel gear, and when the second bevel gear rotates, the second shaft rod is driven to rotate along the inside of the second shaft sleeve;

[0016] When the second shaft rod rotates, it drives the first sprocket and the second sprocket to rotate. When the first sprocket and the second sprocket rotate, they both drive the two third sprockets to rotate through the chain. When the third sprocket rotates, it drives the third bevel gear to rotate. When the third bevel gear rotates, it drives the first rotating rod to rotate along the first shaft seat. When the third bevel gear rotates, it drives the third shaft rod to rotate along the inside of the third shaft sleeve through the fourth bevel gear. When the third shaft sleeve rotates, it drives the sixth bevel gear to rotate through the fifth bevel gear. When the sixth bevel gear rotates, it drives the second rotating rod to rotate along the second shaft seat. When the two sixth bevel gears, the two third sprockets and the second sprockets rotate, they all drive the transmission rod to rotate along the positioning shaft sleeve and the positioning shaft seat. When the five transmission rods rotate, they respectively drive the connecting rod to rotate through the fixed sleeve. When the connecting rod rotates, it drives the arc-shaped card strip to be inserted into the inside of the arc-shaped card slot for card connection, thereby quickly completing the installation.

[0017] (2) The modular wall can quickly clip the panel onto the keel, making it easier for operators to install, thereby reducing the workload of operators and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention.

[0019] In the attached picture:

[0020] Figure 1 It is a schematic diagram of the side section structure of the first vertical keel of the present invention;

[0021] Figure 2 This is a schematic diagram of the front view structure of the transverse keel of the present invention;

[0022] Figure 3 For the present invention Figure 1 A local enlarged structural diagram Figure 1 ;

[0023] Figure 4 For the present invention Figure 1 A local enlarged structural diagram Figure 2 ;

[0024] Figure 5 This is a schematic diagram of the top view of the connecting frame of the present invention;

[0025] Figure 6 This is a schematic diagram of the top-sectional structure of the plug block of the present invention;

[0026] Figure 7 This is a schematic diagram of the top view of the arc-shaped clip strip of the present invention;

[0027] Figure 8 For the present invention Figure 2 A schematic diagram of a partial cross-sectional structure;

[0028] In the figure: 1, first vertical keel; 2, second vertical keel; 3, third vertical keel; 4, horizontal keel; 5, first panel; 6, second panel; 7, plug block; 8, arc slot; 9, mounting cavity; 10, movable baffle; 11, connecting frame; 12, first support rod; 13, first sleeve; 14, first shaft rod; 15, hand wheel; 16, first bevel gear; 17, second bevel gear; 18, second shaft rod; 19, second sleeve; 20, first sprocket; 21, second sprocket; 22, The first shaft seat; 23, the third bevel gear; 24, the third sprocket; 25, the chain; 26, the fourth bevel gear; 27, the third shaft rod; 28, the third shaft sleeve; 29, the fifth bevel gear; 30, the sixth bevel gear; 31, the second shaft seat; 32, the transmission rod; 33, the positioning shaft sleeve; 34, the second support rod; 35, the fixing sleeve; 36, the connecting rod; 37, the arc-shaped clamping strip; 38, the positioning shaft seat; 39, the first rotating rod; 40, the second rotating rod; 41, the slot; 42, the connecting hole. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0030] Embodiment 1, by Figures 1 to 8 The present invention comprises a first vertical keel 1, a second vertical keel 2 is arranged on the left and right sides of the first vertical keel 1, a third vertical keel 3 is arranged on the side away from each other of the two second vertical keels 2, a plurality of transverse keels 4 are fixedly installed between the first vertical keel 1, the two second vertical keels 2 and the two third vertical keels 3, three slots 41 are opened on the front and rear side surfaces of the first vertical keel 1, the two second vertical keels 2 and the two third vertical keels 3, a first panel 5 is arranged on one side of the first vertical keel 1, the two second vertical keels 2 and the two third vertical keels 3, and the first vertical keel 1, the two second vertical keels 2 and the two third vertical keels 3 are away from each other. A second panel 6 is provided on one side of a panel 5, and a plug-in block 7 matching the number of the slots 41 is fixedly installed on the side where the first panel 5 and the second panel 6 are close to each other, and an arc-shaped slot 8 is provided inside the plug-in block 7. A mounting cavity 9 is provided on the upper part of the first panel 5, and a movable baffle 10 is hinged on one side of the mounting cavity 9. Connecting frames 11 are fixedly installed on both ends of the first vertical keel 1, the two second vertical keels 2 and the two third vertical keels 3, and two connecting holes 42 are provided on both ends of the connecting frame 11. A quick clamping assembly is provided between the first vertical keel 1, the two second vertical keels 2, the two third vertical keels 3 and the inside of the mounting cavity 9.

[0031] During work, the operator first aligns the connecting frames 11 at both ends of the first vertical purlin 1, the two second vertical purlins 2, and the two third vertical purlins 3 with the top plate and the bottom plate of the building, and then fixes the first vertical purlin 1, the two second vertical purlins 2, and the two third vertical purlins 3 by means of the expansion bolts and the connecting holes 42; when installing the first panel 5 and the second panel 6, the operator inserts the plug blocks 7 on the first panel 5 and the second panel 6 into the corresponding slots 41, and then the operator opens the movable baffle 10 and adjusts the quick-clamping assembly to insert it into the arc-shaped clamping groove 8 for clamping, thereby quickly completing the installation; so that the combined wall can quickly clamp the panel to the purlin, which is convenient for the operator to install, thereby reducing the operator's workload and improving work efficiency.

[0032] Embodiment 2, on the basis of embodiment 1, the quick-clamp assembly includes a first support rod 12 and two first shaft seats 22, the first support rod 12 is fixedly installed on one side of the top of the first vertical keel 1, the top of the first support rod 12 is fixedly installed with a first shaft sleeve 13, the first shaft rod 14 is rotatably installed inside the first shaft sleeve 13, one end of the first shaft rod 14 extends to the inside of the mounting cavity 9 and is fixedly installed with a hand wheel 15, the other end of the first shaft rod 14 is fixedly installed with a first bevel gear 16, and the two first shaft seats 22 are respectively fixedly installed on the top of the inside of the two second vertical keels 2; the lower part of the surface of the first bevel gear 16 is meshedly connected with the second bevel gear 17, the bottom of the second bevel gear 17 is fixedly installed with a second shaft rod 18, and the second shaft The bottom of the rod 18 extends to the inside of the first vertical keel 1 and is fixedly installed with the first sprocket 20, the bottom of the first sprocket 20 is fixedly installed with the second sprocket 21, the surface of the second shaft rod 18 is rotatably installed with the second sleeve 19, and the second sleeve 19 is fixedly installed at the middle of the top of the first vertical keel 1; the bottom of the first shaft seat 22 is rotatably installed with the first rotating rod 39, the bottom of the first rotating rod 39 is fixedly installed with the third bevel gear 23, the bottom of the third bevel gear 23 is fixedly installed with the third sprocket 24, the first sprocket 20, the second sprocket 21 and the two third sprockets 24 are meshed with a chain 25; the surface of the third bevel gear 23 is meshed with a fourth bevel gear 26, and the two fourth bevel gears 26 are away from each other. A third shaft rod 27 is fixedly installed on one side, and the ends of the two third shaft rods 27 that are away from each other extend to the inside of the two third vertical keels 3 respectively and are fixedly installed with a fifth bevel gear 29. The surfaces of the two third shaft rods 27 are rotatably installed with third shaft sleeves 28, and the four third shaft sleeves 28 are respectively fixedly connected to the two second vertical keels 2 and the two third vertical keels 3; the lower part of the surface of the fifth bevel gear 29 is meshedly connected with a sixth bevel gear 30, and the tops of the two sixth bevel gears 30 are fixedly installed with a second rotating rod 40, and the tops of the two second rotating rods 40 are rotatably installed with a second shaft seat 31, and the tops of the two second shaft seats 31 are respectively fixedly connected to the tops of the inside of the two third vertical keels 3; the second sprocket 21 and the two third The bottom of the sprocket 24 and the two sixth bevel gears 30 are fixedly installed with a transmission rod 32, and the bottom of the transmission rod 32 is rotatably installed with a positioning shaft seat 38, and the bottoms of the five positioning shaft seats 38 are respectively fixedly connected to the bottoms of the first vertical keel 1, the two second vertical keels 2, and the two third vertical keels 3; the first vertical keel 1, the two second vertical keels 2, and the two third vertical keels 3 are each provided with two positioning sleeves 33, and the surfaces of the positioning sleeves 33 are symmetrically fixedly installed with two second support rods 34, one end of the second support rods 34 is respectively fixedly connected to the inside of the first vertical keel 1, the two second vertical keels 2, and the two third vertical keels 3, and the five transmission rods 32 are respectively rotatably installed inside the positioning sleeves 33;Three fixed sleeves 35 are fixedly installed vertically and equidistantly on the surfaces of the five transmission rods 32. Two connecting rods 36 are symmetrically fixedly installed on the circumferential surfaces of the fixed sleeves 35. One end of the connecting rods 36 is fixedly installed with an arc-shaped clamping strip 37, and the arc-shaped clamping strip 37 matches the arc-shaped clamping groove 8.

[0033] The operator rotates the hand wheel 15 to drive the first shaft rod 14 to rotate along the inside of the first shaft sleeve 13. When the first shaft rod 14 rotates, the second bevel gear 17 is driven to rotate through the first bevel gear 16. When the second bevel gear 17 rotates, the second shaft rod 18 is driven to rotate along the inside of the second shaft sleeve 19. When the second shaft rod 18 rotates, the first sprocket 20 and the second sprocket 21 are driven to rotate. When the first sprocket 20 and the second sprocket 21 rotate, the two third sprockets 24 are driven to rotate through the chain 25. When the third sprocket 24 rotates, the third bevel gear 23 is driven to rotate. When the third bevel gear 23 rotates, the first rotating rod 39 is driven to rotate along the first shaft seat 22. When the third bevel gear 23 rotates, The third shaft rod 27 is driven by the fourth bevel gear 26 to rotate along the inside of the third shaft sleeve 28. When the third shaft sleeve 28 rotates, the sixth bevel gear 30 is driven to rotate through the fifth bevel gear 29. When the sixth bevel gear 30 rotates, the second rotating rod 40 is driven to rotate along the second shaft seat 31. When the two sixth bevel gears 30, the two third sprockets 24 and the second sprocket 21 rotate, the transmission rod 32 is driven to rotate along the positioning shaft sleeve 33 and the positioning shaft seat 38. When the five transmission rods 32 rotate, they respectively drive the connecting rod 36 to rotate through the fixed sleeve 35. When the connecting rod 36 rotates, it drives the arc clamping strip 37 to insert into the inside of the arc clamping groove 8 for clamping, so as to quickly complete the installation.

[0034] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A modular wall structure that can be quickly snap-fitted and installed, comprising a first vertical keel (1), characterized in that: The first vertical keel (1) is provided with a second vertical keel (2) on both left and right sides, and a third vertical keel (3) is provided on both sides of the two second vertical keels (2) away from each other. A plurality of transverse keels (4) are fixedly installed between the first vertical keel (1), the two second vertical keels (2) and the two third vertical keels (3). The front and rear surfaces of the first vertical keel (1), the two second vertical keels (2) and the two third vertical keels (3) are provided with three slots (41). A first panel (5) is provided on one side of the first vertical keel (1), the two second vertical keels (2) and the two third vertical keels (3). The first vertical keel (1), the two second vertical keels (2) and the two third vertical keels (3) are provided with a first panel (5). A second panel (6) is provided, and a plug-in block (7) matching the number of slots (41) is fixedly installed on the side where the first panel (5) and the second panel (6) are close to each other, and arc-shaped slots (8) are provided inside the plug-in blocks (7). An installation cavity (9) is provided on the upper part of the first panel (5), and a movable baffle (10) is hinged on one side inside the installation cavity (9). Connecting frames (11) are fixedly installed on both ends of the first vertical keel (1), the two second vertical keels (2) and the two third vertical keels (3), and two connecting holes (42) are provided on both ends of the connecting frame (11). A quick-connection assembly is provided between the first vertical keel (1), the two second vertical keels (2), the two third vertical keels (3) and the inside of the installation cavity (9).

2. A modular wall structure capable of rapid clip-on installation according to claim 1, characterized in that: The quick-clamping assembly comprises a first support rod (12) and two first shaft seats (22), the first support rod (12) being fixedly mounted on one side of the top of the first vertical keel (1), a first shaft sleeve (13) being fixedly mounted on the top of the first support rod (12), a first shaft rod (14) being rotatably mounted inside the first shaft sleeve (13), one end of the first shaft rod (14) extending into the interior of the mounting cavity (9) and being fixedly mounted with a hand wheel (15), a first bevel gear (16) being fixedly mounted on the other end of the first shaft rod (14), and the two first shaft seats (22) being fixedly mounted on the tops of the insides of the two second vertical keels (2), respectively.

3. A modular wall structure capable of rapid clamping installation according to claim 2, characterized in that: The lower part of the surface of the first bevel gear (16) is meshedly connected with a second bevel gear (17); a second shaft rod (18) is fixedly mounted on the bottom of the second bevel gear (17); the bottom of the second shaft rod (18) extends to the inside of the first vertical keel (1) and is fixedly mounted with a first sprocket (20); a second sprocket (21) is fixedly mounted on the bottom of the first sprocket (20); a second shaft sleeve (19) is rotatably mounted on the surface of the second shaft rod (18); and the second shaft sleeve (19) is fixedly mounted in the middle of the top of the first vertical keel (1).

4. The modular wall structure capable of rapid clamping installation according to claim 2, characterized in that: A first rotating rod (39) is rotatably mounted at the bottom of the first shaft seat (22), a third bevel gear (23) is fixedly mounted at the bottom of the first rotating rod (39), a third sprocket (24) is fixedly mounted at the bottom of the third bevel gear (23), and a chain (25) is meshedly connected between the first sprocket (20), the second sprocket (21) and the two third sprockets (24).

5. The modular wall structure capable of rapid clamping installation according to claim 4, characterized in that: The surfaces of the third bevel gears (23) are meshedly connected with fourth bevel gears (26); third shaft rods (27) are fixedly mounted on the sides of the two fourth bevel gears (26) that are away from each other; ends of the two third shaft rods (27) that are away from each other extend to the insides of the two third vertical keels (3) and are fixedly mounted with fifth bevel gears (29); third shaft sleeves (28) are rotatably mounted on the surfaces of the two third shaft rods (27); and the four third shaft sleeves (28) are fixedly connected to the two second vertical keels (2) and the two third vertical keels (3), respectively.

6. The modular wall structure capable of rapid clamping installation according to claim 5, characterized in that: The lower part of the surface of the fifth bevel gear (29) is meshedly connected with the sixth bevel gear (30), the tops of the two sixth bevel gears (30) are fixedly mounted with second rotating rods (40), the tops of the two second rotating rods (40) are rotatably mounted with second shaft seats (31), and the tops of the two second shaft seats (31) are respectively fixedly connected with the tops of the insides of the two third vertical keels (3).

7. A modular wall structure capable of rapid clamping installation according to claim 6, characterized in that: The bottoms of the second sprocket (21), the two third sprockets (24) and the two sixth bevel gears (30) are all fixedly mounted with transmission rods (32), the bottoms of the transmission rods (32) are all rotatably mounted with positioning shaft seats (38), and the bottoms of the five positioning shaft seats (38) are respectively fixedly connected to the bottoms inside the first vertical keel (1), the two second vertical keels (2) and the two third vertical keels (3).

8. The modular wall structure capable of rapid clamping installation according to claim 7, characterized in that: Two positioning sleeves (33) are arranged inside the first vertical keel (1), the two second vertical keels (2) and the two third vertical keels (3); two second support rods (34) are symmetrically fixedly mounted on the surface of the positioning sleeves (33); one end of the second support rods (34) is respectively fixedly connected to the inside of the first vertical keel (1), the two second vertical keels (2) and the two third vertical keels (3); and the five transmission rods (32) are respectively rotatably mounted inside the positioning sleeves (33).

9. The modular wall structure capable of rapid clamping installation according to claim 7, characterized in that: Three fixed sleeves (35) are fixedly installed vertically and equidistantly on the surfaces of the five transmission rods (32); two connecting rods (36) are symmetrically fixedly installed on the circumferential surfaces of the fixed sleeves (35); arc-shaped clamping strips (37) are fixedly installed at one end of the connecting rods (36); and the arc-shaped clamping strips (37) are matched with the arc-shaped clamping grooves (8).

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