An easily disassembled dimethyl sulfoxide micro-reaction skid-mounted equipment

Abstract

The utility model relates to the technical field of dimethyl sulfoxide micro-reaction, in particular to an easily disassembled dimethyl sulfoxide micro-reaction skid-mounted device, which is convenient for moving the whole, and is convenient for disassembly and installation, thereby improving convenience; it comprises a skid-mounted device body; it also comprises a moving mechanism, a trigger mechanism, two transmission mechanisms, two fixing mechanisms, a locking mechanism and a locking drive mechanism, wherein the trigger mechanism is mounted on the moving mechanism, the transmission mechanism is mounted in the moving mechanism, the fixing mechanism is mounted on the moving mechanism, the locking mechanism can be mounted on the moving mechanism, the locking drive mechanism is mounted in the locking mechanism, the moving mechanism is convenient for moving the whole, the trigger mechanism drives the transmission mechanism to drive the fixing mechanism to fix the locking mechanism, and the locking drive mechanism assists the locking mechanism in fixing the skid-mounted device body.

Description

Technical Field

[0001] The utility model relates to the technical field of dimethyl sulfoxide micro-reaction, in particular to an easily disassembled dimethyl sulfoxide micro-reaction skid-mounted device. Background Art

[0002] Dimethyl sulfoxide (DMSO) is a sulfur-containing organic compound. It is a colorless, odorless, transparent liquid at room temperature and a hygroscopic flammable liquid. It has the characteristics of high polarity, high boiling point, good thermal stability, aprotic, and miscible with water. It can dissolve in most organic substances such as ethanol, propanol, benzene and chloroform, and is known as the "universal solvent". When heated in the presence of acid, it will produce a small amount of methyl mercaptan, formaldehyde, dimethyl sulfide, methanesulfonic acid and other compounds. It decomposes at high temperatures and reacts violently with chlorine. It burns in the air and emits a light blue flame. It can be used as an organic solvent, reaction medium and organic synthesis intermediate. It can also be used as a dyeing solvent, de-dyeing agent, dyeing carrier for synthetic fibers, and an absorbent for recovering acetylene and sulfur dioxide.

[0003] In the existing dimethyl sulfoxide micro-reaction equipment, for example, the prior art with application number CN202220825186.4, includes an installation base, a skid-mounted equipment body, a sliding groove, a horizontal hole, a transmission shaft, a rotating plate, a connecting plate, a toggle shaft, a lifting plate, a compression spring, a clamping plate, a limit plate and a connecting spring, etc. Through the installation base, the rotating plate, the transmission shaft, the connecting plate, the movable contact between the toggle shaft and the lifting plate, the compression spring, the movable contact between the inclined rod and the fixed shaft, the two clamping plates, the connecting spring, the two plug blocks and the two positioning plug plates, the installation and fixation of the skid-mounted equipment body can be easily realized, which is convenient for operators to operate and use.

[0004] However, the prior art is not convenient for quickly fixing the circular skid-mounted equipment body, and the prior art is not convenient for movement. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides an easily disassembled dimethyl sulfoxide micro-reaction skid-mounted equipment which is easy to move as a whole, and is easy to disassemble and install, thereby improving convenience.

[0006] The utility model discloses an easily disassembled dimethyl sulfoxide micro-reaction skid-mounted device, comprising a skid-mounted device body; further comprising a moving mechanism, a trigger mechanism, two transmission mechanisms, two fixing mechanisms, a locking mechanism and a locking drive mechanism, wherein the trigger mechanism is mounted on the moving mechanism, the transmission mechanism is mounted in the moving mechanism, the fixing mechanism is mounted on the moving mechanism, the locking mechanism can be mounted on the moving mechanism, and the locking drive mechanism is mounted in the locking mechanism, the moving mechanism is used to facilitate the movement of the whole, the trigger mechanism drives the transmission mechanism to drive the fixing mechanism to fix the locking mechanism, and the locking drive mechanism assists the locking mechanism in fixing the skid-mounted device body; the moving mechanism is used to facilitate the movement of the whole, thereby improving convenience, the trigger mechanism drives the transmission mechanism to drive the fixing mechanism to fix the locking mechanism, and the locking drive mechanism assists the locking mechanism in fixing the skid-mounted device body, thereby improving practicality.

[0007] Preferably, the moving mechanism includes a moving plate and a universal wheel, and the universal wheel is installed at the bottom end of the moving plate; the universal wheel facilitates the movement of the entire structure, thereby improving convenience.

[0008] Preferably, the trigger mechanism includes a sliding rod, a first limit plate, a second limit plate and a first spring, a chamber is provided in the movable plate, the sliding rod is slidably mounted on the top surface of the movable plate, the first limit plate and the second limit plate are mounted at both ends of the sliding rod, and the first spring connects the first limit plate and the inner wall of the chamber of the movable plate; the locking mechanism is placed on the movable plate, and the second limit plate is pressed by the gravity of the locking mechanism so that the first limit plate slides on the top surface of the movable plate, thereby extending the first spring, and under the transmission of the transmission mechanism, the auxiliary fixing mechanism fixes the locking mechanism, and when the locking mechanism is to be disassembled, the fixing mechanism of the locking mechanism is first released, and then the locking mechanism is disassembled, and the resetting is completed by the elasticity of the first spring.

[0009] Preferably, the transmission mechanism includes a transmission slide, a first connecting rod and a second connecting rod, a sliding groove is provided at the bottom end of the inner chamber of the movable plate, the transmission slide is slidably installed in the sliding groove, one end of the first connecting rod is rotatably installed on the first limiting plate, the other end of the first connecting rod is rotatably installed on the transmission slide, one end of the second connecting rod is rotatably installed on the transmission slide, and the other end of the second connecting rod is installed on the fixing mechanism, and the two sets of transmission mechanisms are symmetrically installed in the chamber of the movable plate; the locking mechanism is placed on the movable plate, and the second limiting plate is pressed by the gravity of the locking mechanism so that the first limiting plate slides on the top surface of the movable plate, thereby making the first spring extend, and then the transmission slide is pushed to slide in the sliding groove through the first connecting rod, and then the fixing mechanism is pushed to rise through the second connecting rod, so that the fixing mechanism automatically fixes the locking mechanism. When the locking mechanism is to be disassembled, the fixing mechanism of the locking mechanism is first released, and then the locking mechanism is disassembled and reset by the elasticity of the first spring.

[0010] Preferably, the fixing mechanism includes a side baffle, a first groove, a second groove, a sliding box, a sliding limit line, a first locking pin and a second spring, the side baffle is installed on the top of the movable plate, the first groove and the second groove are provided on the side baffle, a driving groove is provided in the side baffle, the sliding box is slidably installed in the driving groove, a chamber is provided in the sliding box, the sliding limit line is slidably installed in the chamber of the sliding box, the first locking pin is installed on the sliding limit line, the first locking pin is slidably installed on the outer wall of the chamber of the sliding box, the first locking pin is slidably installed in the second groove, one end of the second spring is installed on the sliding limit line, the other end of the second spring is installed on the inner wall of the chamber, and a first keyhole is provided on the locking mechanism; firstly, the first locking pin is pulled to make the second spring contract until the first locking pin Retract it into the chamber of the sliding box, place the locking mechanism on the moving plate, and press the second limit plate through the gravity of the locking mechanism, so that the first limit plate slides on the top surface of the moving plate, thereby extending the first spring, and then pushing the transmission slide plate to slide in the slide groove through the first connecting rod, and then pushing the first groove to slide and rise in the driving groove of the side baffle through the second connecting rod. When the first locking pin is aligned with the first keyhole of the locking mechanism, the first locking pin is pushed into the first keyhole of the locking mechanism through the elasticity of the second spring, thereby completing the fixation of the locking mechanism. When the locking mechanism is to be disassembled, first pull the first locking pin to pull the first locking pin out of the first keyhole of the locking mechanism, and then disassemble the locking mechanism and complete the reset through the elasticity of the first spring.

[0011] Preferably, the locking mechanism includes a lock box, a guide rod, a sliding fixed block, a second locking pin, a skid-mounted device body and a second keyhole; the lock box can be installed on a movable plate; a slide groove is provided on the top surface of the lock box; the guide rod is installed in the slide groove; the sliding fixed block is slidably installed on the guide rod; the second locking pin is installed on the sliding fixed block; the skid-mounted device body can be fixed on the lock box; and a second keyhole is provided on the skid-mounted device body; the sliding fixed block is driven to slide on the guide rod by driving the locking drive mechanism, and then the second locking pin is inserted into the second keyhole, thereby completing the fixation of the skid-mounted device body.

[0012] Preferably, the locking drive mechanism includes a lead screw, a threaded plate, a third connecting rod, a turbine and a worm gear. The lead screw is rotatably installed in the lock box, and the threaded plate drives the lead screw through a threaded relationship. One end of the third connecting rod is rotatably installed on the threaded plate, and the other end of the third connecting rod is rotatably installed on the sliding fixed block. The turbine is installed on the lead screw, and the worm gear is rotatably installed on the inner wall of the lock box, and the worm gear is meshed with the turbine. By rotating the worm gear, the lead screw is driven to rotate due to the threaded relationship, and then the threaded plate is driven to rise and fall through the threaded relationship, and the sliding fixed block is pushed to slide on the guide rod through the third connecting rod, and then the second locking pin is inserted into the second keyhole, thereby completing the fixation of the skid-mounted equipment body.

[0013] Compared with the prior art, the beneficial effects of the utility model are: the moving mechanism facilitates the movement of the whole, thereby improving convenience; the trigger mechanism drives the transmission mechanism to drive the fixing mechanism to fix the locking mechanism; the locking drive mechanism assists the locking mechanism to fix the main body of the skid-mounted equipment, thereby improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a first axonometric structural schematic diagram of the utility model;

[0015] Figure 2 It is a second axonometric structural schematic diagram of the utility model;

[0016] Figure 3 It is a third axonometric structural schematic diagram of the utility model;

[0017] Figure 4 It is a schematic diagram of the first front section axonometric structure of the utility model;

[0018] Figure 5 It is a second front section axonometric structural schematic diagram of the utility model;

[0019] Figure 6 It is a schematic diagram of the cross-sectional structure of the utility model in a top view;

[0020] Markings in the accompanying drawings: 01, moving mechanism; 11, moving plate; 12, universal wheel; 02, trigger mechanism; 21, sliding rod; 22, first limit plate; 23, second limit plate; 24, first spring; 03, transmission mechanism; 31, transmission slide plate; 32, first connecting rod; 33, second connecting rod; 04, fixing mechanism; 41, side baffle; 42, first groove; 43, second groove; 44, sliding box; 45, sliding limit line; 46, first locking pin; 47, second spring; 05, locking mechanism; 51, lock box; 52, guide rod; 53, sliding fixing block; 54, second locking pin; 55, skid-mounted equipment body; 56, second keyhole; 06, locking drive mechanism; 61, screw; 62, threaded plate; 63, third connecting rod; 64, turbine; 65, turbine rod. DETAILED DESCRIPTION

[0021] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0022] Example 1

[0023] like Figure 2 and Figure 4As shown, an easily disassembled dimethyl sulfoxide micro-reactor skid-mounted device comprises a skid-mounted device body 55, a moving mechanism 01, a trigger mechanism 02, two transmission mechanisms 03, two fixing mechanisms 04, a locking mechanism 05 and a locking drive mechanism 06, wherein the trigger mechanism 02 is mounted on the moving mechanism 01, the transmission mechanism 03 is mounted in the moving mechanism 01, the fixing mechanism 04 is mounted on the moving mechanism 01, the locking mechanism 05 can be mounted on the moving mechanism 01, and the locking drive mechanism 06 is mounted in the locking mechanism 05;

[0024] The moving mechanism 01 facilitates the movement of the whole, the trigger mechanism 02 drives the transmission mechanism 03 to drive the fixing mechanism 04 to fix the locking mechanism 05, and the locking driving mechanism 06 assists the locking mechanism 05 to fix the skid-mounted device body 55;

[0025] The moving mechanism 01 includes a moving plate 11 and a universal wheel 12, and the universal wheel 12 is installed at the bottom end of the moving plate 11;

[0026] The trigger mechanism 02 includes a sliding rod 21, a first limiting plate 22, a second limiting plate 23 and a first spring 24. A chamber is provided in the movable plate 11. The sliding rod 21 is slidably mounted on the top surface of the movable plate 11. The first limiting plate 22 and the second limiting plate 23 are mounted at both ends of the sliding rod 21. The first spring 24 connects the first limiting plate 22 and the inner wall of the chamber of the movable plate 11.

[0027] The transmission mechanism 03 includes a transmission slide 31, a first connecting rod 32 and a second connecting rod 33. A slide groove is provided at the bottom end of the inner chamber of the movable plate 11. The transmission slide 31 is slidably installed in the slide groove. One end of the first connecting rod 32 is rotatably installed on the first limiting plate 22. The other end of the first connecting rod 32 is rotatably installed on the transmission slide 31. One end of the second connecting rod 33 is rotatably installed on the transmission slide 31. The other end of the second connecting rod 33 is installed on the fixing mechanism 04. Two sets of transmission mechanisms 03 are symmetrically installed in the chamber of the movable plate 11.

[0028] The fixing mechanism 04 includes a side baffle 41, a first groove 42, a second groove 43, a sliding box 44, a sliding limit line 45, a first locking pin 46 and a second spring 47. The side baffle 41 is installed at the top end of the movable plate 11. The side baffle 41 is provided with a first groove 42 and a second groove 43. A driving groove is provided in the side baffle 41. The sliding box 44 is slidably installed in the driving groove. A chamber is provided in the sliding box 44. The sliding limit line 45 is slidably installed in the chamber of the sliding box 44. The first locking pin 46 is installed on the sliding limit line 45. The first locking pin 46 is slidably installed on the outer wall of the chamber of the sliding box 44. The first locking pin 46 is slidably installed in the second groove 43. One end of the second spring 47 is installed on the sliding limit line 45. The other end of the second spring 47 is installed on the inner wall of the chamber. The locking mechanism 05 is provided with a first keyhole.

[0029] The universal wheel 12 facilitates the movement of the whole, improving the convenience. First, the first lock pin 46 is pulled to make the second spring 47 contract until the first lock pin 46 is retracted into the chamber of the sliding box 44, and the lock box 51 is placed on the movable plate 11. The second limit plate 23 is pressed by the gravity of the lock box 51, so that the first limit plate 22 slides on the top surface of the movable plate 11, thereby extending the first spring 24, and then pushing the transmission slide plate 31 to slide in the slide groove through the first connecting rod 32, and then pushing the first groove 42 on the side baffle through the second connecting rod 33. 41 slides and rises in the driving groove of the lock box 51, and when the first locking pin 46 is aligned with the first keyhole of the lock box 51, the first locking pin 46 is pushed into the first keyhole of the lock box 51 by the elasticity of the second spring 47, thereby completing the fixation of the lock box 51; when the lock box 51 is to be disassembled, first pull the first locking pin 46 to pull the first locking pin 46 out of the first keyhole of the lock box 51, and then disassemble the lock box 51, and complete the reset by the elasticity of the first spring 24, and the locking drive mechanism 06 assists the locking mechanism 05 to fix the skid-mounted equipment body 55, thereby improving practicality.

[0030] Example 2

[0031] like Figure 3 , Figure 5 and Figure 6 As shown, an easily disassembled dimethyl sulfoxide micro-reactor skid-mounted device comprises a skid-mounted device body 55, a moving mechanism 01, a trigger mechanism 02, two transmission mechanisms 03, two fixing mechanisms 04, a locking mechanism 05 and a locking drive mechanism 06, wherein the trigger mechanism 02 is mounted on the moving mechanism 01, the transmission mechanism 03 is mounted in the moving mechanism 01, the fixing mechanism 04 is mounted on the moving mechanism 01, the locking mechanism 05 can be mounted on the moving mechanism 01, and the locking drive mechanism 06 is mounted in the locking mechanism 05;

[0032] The moving mechanism 01 facilitates the movement of the whole, the trigger mechanism 02 drives the transmission mechanism 03 to drive the fixing mechanism 04 to fix the locking mechanism 05, and the locking driving mechanism 06 assists the locking mechanism 05 to fix the skid-mounted device body 55;

[0033] The locking mechanism 05 includes a lock box 51, a guide rod 52, a sliding fixed block 53, a second locking pin 54, a skid-mounted device body 55 and a second keyhole 56. The lock box 51 can be installed on the movable plate 11. A slide groove is provided on the top surface of the lock box 51. The guide rod 52 is installed in the slide groove. The sliding fixed block 53 is slidably installed on the guide rod 52. The second locking pin 54 is installed on the sliding fixed block 53. The skid-mounted device body 55 can be fixed on the lock box 51. The skid-mounted device body 55 is provided with a second keyhole 56.

[0034] The locking drive mechanism 06 includes a lead screw 61, a threaded plate 62, a third connecting rod 63, a turbine 64 and a worm 65. The lead screw 61 is rotatably mounted in the lock box 51. The threaded plate 62 drives the lead screw 61 through a threaded relationship. One end of the third connecting rod 63 is rotatably mounted on the threaded plate 62. The other end of the third connecting rod 63 is rotatably mounted on the sliding fixed block 53. The worm 64 is mounted on the lead screw 61. The worm 65 is rotatably mounted on the inner wall of the lock box 51. The worm 65 is meshed with the worm 64.

[0035] The moving mechanism 01 is used to facilitate the movement of the entire body, thereby improving convenience. The trigger mechanism 02 drives the transmission mechanism 03 to drive the fixing mechanism 04 to fix the locking mechanism 05. By rotating the worm rod 65, the lead screw 61 is driven to rotate due to the threaded relationship, and then the threaded plate 62 is driven to rise and fall through the threaded relationship. The sliding fixing block 53 is pushed to slide on the guide rod 52 through the third connecting rod 63, and then the second locking pin 54 is inserted into the second keyhole 56, thereby completing the fixation of the skid-mounted equipment body 55.

[0036] like Figures 1 to 6 As shown, the utility model is an easily disassembled dimethyl sulfoxide micro-reaction skid-mounted device. When working, the universal wheel 12 is used to facilitate the movement of the whole body to improve convenience. First, the first lock pin 46 is pulled to make the second spring 47 contract until the first lock pin 46 is retracted into the chamber of the sliding box 44, and the lock box 51 is placed on the movable plate 11. The second limit plate 23 is pressed by the gravity of the lock box 51, so that the first limit plate 22 slides on the top surface of the movable plate 11, thereby making the first spring 24 extend, and then the transmission slide plate 31 is pushed to slide in the slide groove through the first connecting rod 32, and then the first groove 42 is pushed to slide and rise in the driving groove of the side baffle 41 through the second connecting rod 33. When the first lock pin 46 When aligned with the first keyhole of the lock box 51, the first lock pin 46 is pushed into the first keyhole of the lock box 51 by the elasticity of the second spring 47, thereby completing the fixation of the lock box 51. When the lock box 51 is to be disassembled, the first lock pin 46 is first pulled out of the first keyhole of the lock box 51, and then the lock box 51 is disassembled and reset by the elasticity of the first spring 24. By rotating the vortex rod 65, the lead screw 61 is driven to rotate due to the threaded relationship, and then the threaded plate 62 is driven to rise and fall due to the threaded relationship, and the sliding fixing block 53 is pushed to slide on the guide rod 52 by the third connecting rod 63, and then the second lock pin 54 is inserted into the second keyhole 56, thereby completing the fixation of the skid-mounted equipment body 55.

[0037] The skid-mounted equipment body 55 of the utility model is purchased on the market, and technicians in the industry only need to install and operate it according to the accompanying instruction manual, without the need for technicians in the field to make creative efforts.

[0038] The main functions achieved by the utility model are: during the working process of the dimethyl sulfoxide micro-reaction, the whole can be easily moved, disassembled and installed, and the convenience is improved.

[0039] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. An easily disassembled dimethyl sulfoxide micro-reactor skid-mounted device, comprising a skid-mounted device body (55); characterized in that: It also includes a moving mechanism (01), a trigger mechanism (02), two transmission mechanisms (03), two fixing mechanisms (04), a locking mechanism (05) and a locking drive mechanism (06), wherein the trigger mechanism (02) is mounted on the moving mechanism (01), the transmission mechanism (03) is mounted in the moving mechanism (01), the fixing mechanism (04) is mounted on the moving mechanism (01), the locking mechanism (05) can be mounted on the moving mechanism (01), and the locking drive mechanism (06) is mounted in the locking mechanism (05); The moving mechanism (01) facilitates the movement of the whole, and the trigger mechanism (02) drives the transmission mechanism (03) to drive the fixing mechanism (04) to fix the locking mechanism (05), and the locking driving mechanism (06) assists the locking mechanism (05) to fix the skid-mounted equipment body (55).

2. The easily disassembled dimethyl sulfoxide micro-reactor skid-mounted equipment according to claim 1, characterized in that: The moving mechanism (01) comprises a moving plate (11) and a universal wheel (12), wherein the universal wheel (12) is installed at the bottom end of the moving plate (11).

3. The easily disassembled dimethyl sulfoxide micro-reactor skid-mounted equipment according to claim 2, characterized in that: The trigger mechanism (02) comprises a sliding rod (21), a first limiting plate (22), a second limiting plate (23) and a first spring (24); a chamber is arranged inside the movable plate (11); the sliding rod (21) is slidably mounted on the top surface of the movable plate (11); the first limiting plate (22) and the second limiting plate (23) are mounted at two ends of the sliding rod (21); and the first spring (24) connects the first limiting plate (22) and the inner wall of the chamber of the movable plate (11).

4. The easily disassembled dimethyl sulfoxide micro-reactor skid-mounted equipment according to claim 2, characterized in that: The transmission mechanism (03) comprises a transmission slide plate (31), a first connecting rod (32) and a second connecting rod (33). A slide groove is provided at the bottom end of the inner chamber of the movable plate (11). The transmission slide plate (31) is slidably installed in the slide groove. One end of the first connecting rod (32) is rotatably installed on the first limiting plate (22). The other end of the first connecting rod (32) is rotatably installed on the transmission slide plate (31). One end of the second connecting rod (33) is rotatably installed on the transmission slide plate (31). The other end of the second connecting rod (33) is installed on the fixing mechanism (04). The two sets of transmission mechanisms (03) are symmetrically installed in the chamber of the movable plate (11).

5. The easily disassembled dimethyl sulfoxide micro-reactor skid-mounted equipment according to claim 2, characterized in that: The fixing mechanism (04) comprises a side baffle (41), a first groove (42), a second groove (43), a sliding box (44), a sliding limit line (45), a first locking pin (46) and a second spring (47), wherein the side baffle (41) is mounted on the top of the moving plate (11), the side baffle (41) is provided with a first groove (42) and a second groove (43), a driving groove is provided in the side baffle (41), the sliding box (44) is slidably mounted in the driving groove, and a cavity is provided in the sliding box (44) The first locking pin (46) is mounted on the sliding limit line (45), and the first locking pin (46) is mounted on the outer wall of the chamber of the sliding box (44). The first locking pin (46) is mounted on the second groove (43). One end of the second spring (47) is mounted on the sliding limit line (45), and the other end of the second spring (47) is mounted on the inner wall of the chamber. The locking mechanism (05) is provided with a first keyhole.

6. The easily disassembled dimethyl sulfoxide micro-reactor skid-mounted equipment according to claim 2, characterized in that: The locking mechanism (05) comprises a lock box (51), a guide rod (52), a sliding fixed block (53), a second locking pin (54), a skid-mounted device body (55) and a second keyhole (56); the lock box (51) can be mounted on the movable plate (11); a slide groove is arranged on the top surface of the lock box (51); the guide rod (52) is installed in the slide groove; the sliding fixed block (53) is slidably mounted on the guide rod (52); the second locking pin (54) is installed on the sliding fixed block (53); the skid-mounted device body (55) can be fixed on the lock box (51); and the skid-mounted device body (55) is provided with a second keyhole (56).

7. The easily disassembled dimethyl sulfoxide micro-reactor skid-mounted equipment according to claim 6, characterized in that: The locking drive mechanism (06) comprises a lead screw (61), a threaded plate (62), a third connecting rod (63), a turbine (64) and a worm gear (65); the lead screw (61) is rotatably mounted in the lock box (51); the threaded plate (62) drives the lead screw (61) through a threaded relationship; one end of the third connecting rod (63) is rotatably mounted on the threaded plate (62); the other end of the third connecting rod (63) is rotatably mounted on the sliding fixed block (53); the turbine (64) is mounted on the lead screw (61); the worm gear (65) is rotatably mounted on the inner wall of the lock box (51); and the worm gear (65) is meshed with the turbine gear (64).

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