A solid-liquid separation device for kitchen waste

Abstract

The invention belongs to the technical field of food waste, and in particular relates to a food waste solid-liquid separation device, which solves the technical problem that the technical solution has the disadvantages of being unable to change the permeability of liquid in the food waste and unable to prevent some solid fragments of the food waste from falling into the separated liquid. The device comprises a separation box assembly, an adjustable base frame assembly and a rotating discharge assembly, wherein the separation box assembly is connected to the adjustable base frame assembly, the separation box assembly is connected to the rotating discharge assembly, and the food waste solid retained in the separation sleeve passes through the rotating discharge assembly, thereby realizing solid-liquid separation of the food waste; at the same time, the separation sleeve and the separation matching sleeve are relatively rotated, so that the area of ​​the rectangular through hole blocked by the connecting arc plate changes, and by changing the blocking area of ​​the rectangular through hole, the permeability of the liquid in the food waste can be changed, and some solid fragments of the food waste can be prevented from falling into the separated liquid.

Description

Technical Field

[0001] The invention belongs to the technical field of restaurant kitchen waste, and in particular relates to a restaurant kitchen waste solid-liquid separation device. Background Art

[0002] Patent application number CN202421781147.4 discloses a solid-liquid separation sewage treatment device, including a sewage trough, wherein an inlet pipe and a drain pipe are respectively arranged at both ends of the sewage trough, recessed portions are arranged on the side walls on both sides of the middle of the sewage trough, and both sides of the fixed plate are slidably inserted in the recessed portions of the sewage trough, one end of the two rotating plates are respectively rotatably arranged on one side of the top of the recessed portion, and the other ends of the two rotating plates are respectively located at the top of both sides of the fixed plate, a plurality of filter holes are arranged in an array on the fixed plate, two notches are opened in the middle of both sides of the fixed plate, two fixed grooves are respectively located at the top of the corresponding notches, and the fixed grooves are communicated with the corresponding notches, a locking assembly is arranged in the fixed groove, and a connecting assembly is connected to the side of the fixed plate close to the water inlet pipe through the notch, but the disadvantage of this technical solution is that it can neither change the permeability of the liquid in the food waste nor prevent some solid fragments of the food waste from falling into the separated liquid. Summary of the invention

[0003] The object of the present invention is to provide a solid-liquid separation device for kitchen waste to solve the technical problem that the disadvantage of the technical solution is that it can neither change the permeability of the liquid in the kitchen waste nor prevent some solid fragments of the kitchen waste from falling into the separated liquid.

[0004] To achieve the above-mentioned purpose, the specific technical scheme of a solid-liquid separation device for kitchen waste of the present invention is as follows:

[0005] A solid-liquid separation device for kitchen waste comprises a separation box assembly, an adjustable base frame assembly and a rotating discharge assembly, wherein the separation box assembly is connected to the adjustable base frame assembly, and the separation box assembly is connected to the rotating discharge assembly.

[0006] Further, the separation box assembly includes a separation box, an installation connecting plate, an inlet pipe, an arc-shaped slide groove, a positioning groove, a positioning groove, a discharge pipe, a rotation limiting sleeve, and a rotation limiting sleeve. The separation box is provided with a connecting plate, an inlet pipe is provided on the separation box, an arc-shaped slide groove is provided on the separation box, a positioning groove is provided at one end of the arc-shaped slide groove, and a positioning groove is provided at the other end of the arc-shaped slide groove. A discharge pipe is fixedly installed on the separation box, a discharge pipe end cover is installed on the discharge pipe, a rotation limiting sleeve and a rotation limiting sleeve are fixedly installed on the separation box, a separation sleeve is rotatably installed between the rotation limiting sleeve and the rotation limiting sleeve. The separation sleeve is provided with a hollow cavity, in which a separation matching sleeve is rotatably installed, a connecting arc plate is installed on the separation matching sleeve, and multiple connecting arc plates are provided, a positioning card rod sliding cavity is provided on the separation sleeve, a positioning card rod is slidably installed in the positioning card rod sliding cavity, a positioning card rod push spring is provided between the positioning card rod and the positioning card rod sliding cavity, a positioning slot is provided on the separation matching sleeve, the positioning slot is matched and connected with the positioning card rod, multiple positioning slots are provided, an actuator motor is installed on the installation connecting plate, a pulley is installed on the output shaft of the actuator motor, the pulley is connected to one end of a connecting belt, and the other end of the connecting belt is connected to the separation sleeve.

[0007] Furthermore, a plurality of the connecting arc plates are arranged in a circumferential array along the central axis of the separation fitting sleeve.

[0008] Furthermore, a plurality of the positioning slots are arranged in a circumferential array along the central axis of the separation and matching sleeve.

[0009] Furthermore, a rectangular through hole is formed on the separation sleeve, and a plurality of the rectangular through holes are provided, and the plurality of the rectangular through holes are arranged in a circumferential array along the central axis of the separation sleeve.

[0010] Furthermore, the adjustable base frame assembly includes a connecting plate 1, a connecting plate 2, a driving wedge-shaped slider, a limiting rotating plate, a threaded rotating rod, an adjusting motor, a sliding hinge support, a T-shaped sliding rod, and a rectangular sliding groove. The connecting plate 1 is fixedly installed on the separation box body, the connecting plate 1 is hingedly installed with a connecting plate 2, the connecting plate 2 is provided with a rectangular sliding groove, the rectangular sliding groove is slidably limited with the driving wedge-shaped slider, the driving wedge-shaped slider is threadedly installed on one end of the threaded rotating rod and limited by the limiting rotating plate, the other end of the threaded rotating rod is rotatably installed on the sliding hinge support, the adjusting motor is installed on the sliding hinge support, the output shaft of the adjusting motor is installed on the threaded rotating rod, the sliding hinge support is slidably installed on the T-shaped sliding rod, and the T-shaped sliding rod is fixedly installed on the connecting plate 2.

[0011] Furthermore, the connecting plate 1 is provided with an inclined surface A, and the connecting plate 2 is provided with an inclined surface B, and the inclined surface A and the inclined surface B are respectively attached to the upper and lower end surfaces of the driving wedge-shaped slider.

[0012] Furthermore, the rotating discharge assembly includes a rotating disk, two discharge pipes, a sliding fixed sleeve, two positioning clamping rods, and two positioning clamping rod push springs. The rotating disk is rotatably installed on the separation box body, the two discharge pipes are fixedly installed on the rotating disk, the sliding fixed sleeve is fixedly installed on the rotating disk, and the two positioning clamping rods are slidably installed in the sliding fixed sleeve. Two positioning clamping rod push springs are arranged between the two positioning clamping rods and the sliding fixed sleeve. The two positioning clamping rods are slidably installed in the arc-shaped slide groove, and the two positioning clamping rods are positioned and connected to the one positioning groove or the two positioning grooves.

[0013] The advantages of the present invention are:

[0014] (i) putting the food waste to be separated into the separation box through the feed pipe 1, and then into the separation sleeve, and starting the execution motor at the same time, and then driving the pulley 1 and the connecting belt 1 to move through the execution motor, and then driving the separation sleeve to rotate through the connecting belt 1, and the centrifugal force generated by the rotation of the separation sleeve, thereby realizing the liquid in the food waste falling into the separation box, and being discharged through the discharge pipe 1; at the same time, the food solid waste retained in the separation sleeve is separated from the solid and liquid by rotating the discharge component; at the same time, the separation sleeve and the separation matching sleeve are relatively rotated, so that the area of ​​the rectangular through hole blocked by the connecting arc plate changes, and by changing the blocking area of ​​the rectangular through hole, the permeability of the liquid in the food waste can be changed, and some solid fragments of the food waste can be prevented from falling into the separated liquid;

[0015] (ii) starting the adjusting motor, thereby driving the threaded rotating rod to rotate through the adjusting motor, thereby driving the driving wedge-shaped slider to slide along the rectangular slide groove through the threaded rotating rod, and causing the connecting plate to drive the separation box to flip upward, thereby causing the separation box to tilt, thereby facilitating the discharge of the remaining solid waste and liquid waste in the device; at the same time, by adjusting the degree of inclination, the discharge speed is adjusted;

[0016] (3) Manually rotate the rotating disk, so that the second positioning rod is connected with the first positioning slot, so that the second discharge pipe is downward, so as to facilitate the discharge of fixed garbage; when the second positioning rod is connected with the second positioning slot, the second discharge pipe is upward, so as to stop the discharge of fixed garbage. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The overall structure of the present invention is shown in FIG. Figure 1 ;

[0018] Figure 2 The overall structure of the present invention is shown in FIG. Figure 2 ;

[0019] Figure 3 for Figure 1 Schematic diagram of the cutting line position;

[0020] Figure 4 for Figure 3 Cross-sectional view along section AA;

[0021] Figure 5 for Figure 3 Cross-sectional view along section BB;

[0022] Figure 6 for Figure 5 A partial enlarged view of

[0023] Figure 7 It is a schematic diagram of the structure of the separation box assembly of the present invention;

[0024] Figure 8 for Figure 7 Schematic diagram of the cutting line position;

[0025] Fig. 9 for Figure 8 Cross-sectional view along section CC;

[0026] Fig.10 Schematic diagram of the separation sleeve structure of the present invention Figure 1 ;

[0027] Fig.11 Schematic diagram of the separation sleeve structure of the present invention Figure 2 ;

[0028] Fig.12 It is a schematic diagram of the separation and matching sleeve structure of the present invention;

[0029] Fig.13 The adjustable chassis assembly structure of the present invention is schematically shown in FIG. Figure 1 ;

[0030] Fig.14 The adjustable chassis assembly structure of the present invention is schematically shown in FIG. Figure 2 ;

[0031] Markings in the figure: separation box assembly 1; separation box 1-1; installation connecting plate 1-2; feed pipe 1-3; arc chute 1-4; positioning groove 1-5; positioning groove 2 1-6; discharge pipe 1-7; rotation limit sleeve 1-8; rotation limit sleeve 2 1-9; execution motor 2; pulley 13; connecting belt 14; discharge pipe end cover 15; adjustable base frame assembly 6; connecting plate 1 6-1; connecting plate 2 6-2; driving wedge slider 6-3; limit rotating plate 6-4; Threaded rotating rod 6-5; adjusting motor 6-6; sliding hinge support 6-7; T-shaped sliding rod 6-8; rectangular sliding groove 6-9; rotating discharge assembly 7; rotating disk 7-1; discharge pipe II 7-2; sliding fixed sleeve 7-3; positioning clamp rod II 7-4; positioning clamp rod push spring II 7-5; separation sleeve 8; separation matching sleeve 9; positioning clamp rod I 10; positioning clamp rod push spring I 11; positioning clamp rod sliding cavity I 12; positioning clamp groove I 13; rectangular through hole 14; hollow cavity 15; connecting arc plate 16. DETAILED DESCRIPTION

[0032] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0034] Example 1

[0035] like Figure 1-6 As shown, a solid-liquid separation device for kitchen waste includes a separation box assembly 1, an adjustable base frame assembly 6 and a rotating discharge assembly 7, wherein the separation box assembly 1 is connected to the adjustable base frame assembly 6, and the separation box assembly 1 is connected to the rotating discharge assembly 7.

[0036] Example 2

[0037] like Figure 7-13As shown, the separation box assembly 1 includes a separation box 1-1, a mounting connecting plate 1-2, a feed pipe 1-3, an arc-shaped slide 1-4, a positioning groove 1-5, a positioning groove 2 1-6, a discharge pipe 1-7, a rotation limit sleeve 1-8, and a rotation limit sleeve 2 1-9. The separation box 1-1 is provided with a connecting plate 1-2, a feed pipe 1-3 is provided on the separation box 1-1, an arc-shaped slide 1-4 is provided on the separation box 1-1, a positioning groove 1-5 is provided at one end of the arc-shaped slide 1-4, and a positioning groove 2 1-6 is provided at the other end of the arc-shaped slide 1-4, a discharge pipe 1-7 is fixedly installed on the separation box 1-1, and a discharge pipe 1-8 is provided on the separation box 1-9. A discharge pipe end cover 1-7 is installed on the separation box 1-1, a rotation limit sleeve 1-8 and a rotation limit sleeve 2 1-9 are fixedly installed on the separation box body 1-1, a separation sleeve 8 is rotatably installed between the rotation limit sleeve 1-8 and the rotation limit sleeve 2 1-9, a hollow cavity 15 is opened on the separation sleeve 8, a separation matching sleeve 9 is rotatably installed in the hollow cavity 15, a connecting arc plate 16 is installed on the separation matching sleeve 9, and a plurality of connecting arc plates 16 are provided, a positioning card rod sliding cavity 12 is opened on the separation sleeve 8, a positioning card rod 10 is slidably installed in the positioning card rod sliding cavity 12, and a positioning card rod push rod is provided between the positioning card rod 10 and the positioning card rod sliding cavity 12. Spring 11, a positioning card slot 13 is opened on the separation matching sleeve 9, the positioning card slot 13 is matched and connected with the positioning card rod 10, and a plurality of positioning card slots 13 are provided. An execution motor 2 is installed on the installation connecting plate 1-2, and a pulley 3 is installed on the output shaft of the execution motor 2. The pulley 3 is connected to one end of the connecting belt 4, and the other end of the connecting belt 4 is connected to the separation sleeve 8. In this way, the kitchen waste to be separated is put into the separation box 1-1 through the feeding pipe 1-3, and then enters the separation sleeve 8, and the execution motor 2 is started at the same time, and then the pulley 3 and the connecting belt 4 are driven to move by the execution motor 2, and then through The connecting belt 4 drives the separation sleeve 8 to rotate, and the centrifugal force generated by the rotation of the separation sleeve 8 realizes the drop of liquid in the food waste into the separation box 1-1 and is discharged through the discharge pipe 1-7; at the same time, the solid food waste retained in the separation sleeve 8 is separated from the solid and liquid by the rotating discharge assembly 7; at the same time, the separation sleeve 8 and the separation matching sleeve 9 are relatively rotated, so that the area of ​​the rectangular through hole 14 blocked by the connecting arc plate 16 changes. By changing the blocking area of ​​the rectangular through hole 14, the permeability of the liquid in the food waste can be changed, and some solid fragments of the food waste can be prevented from falling into the separated liquid.

[0038] The plurality of connecting arc plates 16 are arranged in a circumferential array along the central axis of the separation fitting sleeve 9 .

[0039] Among them, the plurality of positioning slots 13 are arranged in a circumferential array along the central axis of the separation and matching sleeve 9.

[0040] The separation sleeve 8 is provided with a rectangular through hole 14 , and a plurality of the rectangular through holes 14 are provided, and the plurality of the rectangular through holes 14 are arranged in a circumferential array along the central axis of the separation sleeve 8 .

[0041] Example 3

[0042] like Fig.14 As shown, the adjustable chassis assembly 6 includes a connecting plate 1 6-1, a connecting plate 2 6-2, a driving wedge-shaped slider 6-3, a limit rotating plate 6-4, a threaded rotating rod 6-5, an adjusting motor 6-6, a sliding hinge support 6-7, a T-shaped sliding rod 6-8, and a rectangular sliding groove 6-9. The connecting plate 1 6-1 is fixedly installed on the separation box 1-1, and a connecting plate 2 6-2 is hingedly installed on the connecting plate 1 6-1. A rectangular sliding groove 6-9 is opened on the connecting plate 2 6-2. The rectangular sliding groove 6-9 is matched with the driving wedge-shaped slider 6-3 for sliding and limiting. The driving wedge-shaped slider 6-3 is threadedly installed on one end of the threaded rotating rod 6-5 and is limited by the limit rotating plate 6-4. The other end of the threaded rotating rod 6-5 is rotatably installed on the sliding hinge support 6-7. An adjusting motor 6-6 is installed on the support 6-7, and the output shaft of the adjusting motor 6-6 is installed on the threaded rotating rod 6-5. The sliding hinge support 6-7 is slidably installed on the T-shaped sliding rod 6-8, and the T-shaped sliding rod 6-8 is fixedly installed on the connecting plate 2 6-2. In this arrangement, the adjusting motor 6-6 is started, and the threaded rotating rod 6-5 is driven to rotate through the adjusting motor 6-6, and the threaded rotating rod 6-5 drives the driving wedge-shaped slider 6-3 to slide along the rectangular slide groove 6-9, and the connecting plate 1 6-1 drives the separation box 1-1 to flip upward, thereby causing the separation box 1-1 to tilt, thereby facilitating the discharge of the remaining solid waste and liquid waste in the device; at the same time, the discharge speed can be adjusted by adjusting the degree of inclination.

[0043] The connecting plate 1 6 - 1 is provided with an inclined surface A, and the connecting plate 2 6 - 2 is provided with an inclined surface B. The inclined surface A and the inclined surface B are respectively attached to the upper and lower end surfaces of the driving wedge-shaped slider 6 - 3.

[0044] Example 4

[0045] like Figure 4-6As shown, the rotating discharge assembly 7 includes a rotating disk 7-1, a discharge pipe 7-2, a sliding fixed sleeve 7-3, a positioning clamp rod 7-4, and a positioning clamp rod push spring 7-5. The rotating disk 7-1 is rotatably mounted on the separation box 1-1, the discharge pipe 7-2 is fixedly mounted on the rotating disk 7-1, the sliding fixed sleeve 7-3 is fixedly mounted on the rotating disk 7-1, the positioning clamp rod 7-4 is slidably mounted in the sliding fixed sleeve 7-3, and a positioning clamp rod 7-4 is arranged between the positioning clamp rod 7-4 and the sliding fixed sleeve 7-3. The rod pushes the spring 7-5, and the positioning clamp rod 7-4 is slidably installed in the arc-shaped slide groove 1-4, and the positioning clamp rod 7-4 is positioned and connected with the positioning groove 1-5 or the positioning groove 1-6. With such a configuration, the rotating disk 7-1 is manually rotated, and then the positioning clamp rod 7-4 is matched and connected with the positioning groove 1-5, so that the discharge pipe 7-2 is downward, and it is convenient to discharge the fixed garbage; when the positioning clamp rod 7-4 is matched and connected with the positioning groove 1-6, the discharge pipe 7-2 is upward, and the discharge of the fixed garbage is stopped.

[0046] It is to be understood that the present invention is described by some embodiments, and it is known to those skilled in the art that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the scope of protection of the present invention.

Claims

1. A solid-liquid separation device for kitchen waste, characterized in that: It comprises a separation box assembly (1), an adjustable base frame assembly (6) and a rotating discharge assembly (7); the separation box assembly (1) is connected to the adjustable base frame assembly (6), and the separation box assembly (1) is connected to the rotating discharge assembly (7).

2. A kitchen waste solid-liquid separation device according to claim 1, characterized in that: The separation box assembly (1) comprises a separation box (1-1), a mounting connection plate 1 (1-2), a feed pipe 1 (1-3), an arc-shaped slide groove (1-4), a positioning groove 1 (1-5), a positioning groove 2 (1-6), a discharge pipe 1 (1-7), a rotation limit sleeve 1 (1-8), and a rotation limit sleeve 2 (1-9). The separation box (1-1) is mounted with a connection plate 1 (1-2), the separation box (1-1) is mounted with a feed pipe 1 (1-3), and the separation box (1-1) is mounted with a An arc-shaped slide groove (1-4) is provided, one end of the arc-shaped slide groove (1-4) is provided with a positioning groove 1 (1-5), and the other end of the arc-shaped slide groove (1-4) is provided with a positioning groove 2 (1-6). A discharge pipe 1 (1-7) is fixedly installed on the separation box body (1-1), and a discharge pipe end cover 1 (5) is installed on the discharge pipe 1 (1-7). A rotation limiting sleeve 1 (1-8) and a rotation limiting sleeve 2 (1-9) are fixedly installed on the separation box body (1-1). The rotation limiting sleeve 1 (1-8) and the rotation limiting sleeve 2 A separation sleeve (8) is rotatably installed between (1-9), a hollow cavity (15) is opened on the separation sleeve (8), a separation matching sleeve (9) is rotatably installed in the hollow cavity (15), a connecting arc plate (16) is installed on the separation matching sleeve (9), and a plurality of connecting arc plates (16) are provided, a positioning card rod sliding cavity (12) is opened on the separation sleeve (8), a positioning card rod (10) is slidably installed in the positioning card rod sliding cavity (12), and the positioning card rod (10) and the positioning card rod sliding cavity (12) are rotatably installed in the positioning card rod sliding cavity (12). 2), a positioning card rod push spring (11) is arranged between the separating matching sleeve (9), a positioning card slot (13) is opened on the separating matching sleeve (9), the positioning card slot (13) is matched and connected with the positioning card rod (10), a plurality of positioning card slots (13) are arranged, an executing motor (2) is installed on the mounting connecting plate (1-2), a pulley (3) is installed on the output shaft of the executing motor (2), the pulley (3) is connected to one end of a connecting belt (4), and the other end of the connecting belt (4) is connected to the separating sleeve (8).

3. A kitchen waste solid-liquid separation device according to claim 2, characterized in that: The plurality of connecting arc plates (16) are arranged in a circumferential array along the central axis of the separation fitting sleeve (9).

4. A kitchen waste solid-liquid separation device according to claim 2, characterized in that: The plurality of positioning slots (13) are arranged in a circumferential array along the central axis of the separation and matching sleeve (9).

5. The solid-liquid separation device for kitchen waste according to claim 2, characterized in that: The separation sleeve (8) is provided with a rectangular through hole (14), and a plurality of the rectangular through holes (14) are provided, and the plurality of the rectangular through holes (14) are arranged in a circumferential array along the central axis of the separation sleeve (8).

6. The solid-liquid separation device for kitchen waste according to claim 2, characterized in that: The adjustable chassis assembly (6) comprises a connecting plate 1 (6-1), a connecting plate 2 (6-2), a driving wedge-shaped slider (6-3), a limit rotating plate (6-4), a threaded rotating rod (6-5), an adjusting motor (6-6), a sliding hinge support (6-7), a T-shaped sliding rod (6-8), and a rectangular sliding groove (6-9). The connecting plate 1 (6-1) is fixedly mounted on the separation box (1-1), the connecting plate 1 (6-1) is hingedly mounted with the connecting plate 2 (6-2), the connecting plate 2 (6-2) is provided with a rectangular sliding groove (6-9), and the rectangular sliding groove (6-9) is connected to the driving The wedge-shaped slider (6-3) is slidably limited, and the driving wedge-shaped slider (6-3) is threadedly installed on one end of the threaded rotating rod (6-5) and limited by the limit rotating plate (6-4). The other end of the threaded rotating rod (6-5) is rotatably installed on the sliding hinge support (6-7). The sliding hinge support (6-7) is equipped with an adjustment motor (6-6). The output shaft of the adjustment motor (6-6) is installed on the threaded rotating rod (6-5). The sliding hinge support (6-7) is slidably installed on the T-shaped sliding rod (6-8), and the T-shaped sliding rod (6-8) is fixedly installed on the second connecting plate (6-2).

7. The solid-liquid separation device for kitchen waste according to claim 6, characterized in that: The connecting plate 1 (6-1) is provided with an inclined surface A, and the connecting plate 2 (6-2) is provided with an inclined surface B. The inclined surface A and the inclined surface B are respectively fitted on the upper and lower end surfaces of the driving wedge-shaped sliding block (6-3).

8. The solid-liquid separation device for kitchen waste according to claim 2, characterized in that: The rotary discharge assembly (7) comprises a rotary disc (7-1), a second discharge pipe (7-2), a sliding fixed sleeve (7-3), a second positioning clamping rod (7-4), and a second positioning clamping rod push spring (7-5); the rotary disc (7-1) is rotatably mounted on the separation box (1-1); the second discharge pipe (7-2) is fixedly mounted on the rotary disc (7-1); the sliding fixed sleeve (7-3) is fixedly mounted on the rotary disc (7-1); the second positioning clamping rod (7-4) is slidably mounted in the sliding fixed sleeve (7-3); a second positioning clamping rod push spring (7-5) is arranged between the second positioning clamping rod (7-4) and the sliding fixed sleeve (7-3); the second positioning clamping rod (7-4) is slidably mounted in the arc-shaped slide groove (1-4); and the second positioning clamping rod (7-4) is positionedly connected to the first positioning groove (1-5) or the second positioning groove (1-6).

Images